/* ==========================================================================
   EDITORIAL LIGHT THEME — PERSONAL BLOG & PORTFOLIO
   Author: Trần Đức (Dustin)
   Inspired by: kristinwong.com (Warm Journal & Storytelling) & Modern Editorial Design
   ========================================================================== */



*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  text-size-adjust: 100%;
}

:root {
  /* Typography */
  --font-sans: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-serif: 'Newsreader', Georgia, Cambria, serif;
  --font-mono: 'JetBrains Mono', 'SF Mono', Consolas, monospace;
  --font-script: 'Caveat', cursive, -apple-system, sans-serif;

  /* Editorial Warm Light Palette */
  --bg-base: #FBFBFA;
  --bg-surface: #FFFFFF;
  --bg-subtle: #F3F4F6;
  --bg-warm: #F7F6F2;
  --bg-nav: rgba(251, 251, 250, 0.92);

  /* Borders & Dividers */
  --border: #E5E7EB;
  --border-light: #F0F2F5;
  --border-dark: #D1D5DB;
  --border-accent: #059669;

  /* Typography Colors */
  --text-primary: #111827;
  --text-secondary: #4B5563;
  --text-muted: #6B7280;
  --text-dim: #9CA3AF;

  /* Editorial Accents */
  --emerald: #059669;
  --emerald-subtle: #ECFDF5;
  --emerald-border: #A7F3D0;
  
  --amber: #D97706;
  --amber-subtle: #FFFBEB;
  --amber-border: #FDE68A;

  --blue: #2563EB;
  --blue-subtle: #EFF6FF;

  --slate: #0F172A;

  /* Border Radii */
  --radius-xs: 6px;
  --radius-sm: 10px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-full: 9999px;

  /* Layout & Shadows */
  --max-w: 1360px;
  --nav-height: 72px;
  --transition: 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  --shadow-subtle: 0 1px 3px rgba(0, 0, 0, 0.05), 0 8px 24px rgba(0, 0, 0, 0.03);
  --shadow-card: 0 4px 20px -2px rgba(0, 0, 0, 0.06);
  --shadow-hover: 0 12px 32px -4px rgba(0, 0, 0, 0.1);
}

@media (min-width: 1440px) {
  :root {
    --max-w: 1420px;
  }
}

body {
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.7;
  color: var(--text-secondary);
  background-color: var(--bg-base);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  min-height: 100vh;
}

.container {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 32px;
}

@media (max-width: 768px) {
  .container {
    padding: 0 20px;
  }
}

/* ==========================================================================
   NAVIGATION BAR & RESPONSIVE MOBILE DRAWER
   ========================================================================== */
.site-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--nav-height);
  z-index: 1000;
  background: var(--bg-nav);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
  transition: all var(--transition);
}

.nav-inner {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: var(--text-primary);
  flex-shrink: 0;
}

.nav-brand-title {
  font-weight: 700;
  font-size: 1.05rem;
  letter-spacing: -0.02em;
  color: var(--text-primary);
}

.nav-brand-subtitle {
  font-size: 0.78rem;
  color: var(--text-muted);
  font-family: var(--font-serif);
  font-style: italic;
}

.nav-menu-wrapper {
  display: flex;
  align-items: center;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 6px;
  list-style: none;
}

.nav-link {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.88rem;
  font-weight: 500;
  padding: 6px 13px;
  border-radius: var(--radius-full);
  transition: all var(--transition);
  white-space: nowrap;
}

.nav-link:hover,
.nav-link.active {
  color: var(--text-primary);
  background: var(--bg-subtle);
}

.nav-cta {
  background: var(--text-primary);
  color: #FFFFFF !important;
  font-weight: 600;
  padding: 8px 18px;
}

.nav-cta:hover {
  background: #27272A;
  transform: translateY(-1px);
}

/* Actions Cluster: Language Switcher + Mobile Hamburger */
.nav-actions-cluster {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

/* Mobile Toggle Hamburger Button */
.nav-mobile-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  width: 42px;
  height: 42px;
  border-radius: 10px;
  background: var(--bg-surface);
  border: 1.5px solid var(--border);
  cursor: pointer;
  padding: 8px;
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.04);
}

.nav-mobile-toggle:hover {
  background: var(--bg-subtle);
  border-color: var(--border-dark);
}

.nav-mobile-toggle span {
  display: block;
  width: 20px;
  height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.2s ease;
}

.nav-mobile-toggle.active span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.nav-mobile-toggle.active span:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}

.nav-mobile-toggle.active span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* Tablet & Mobile Breakpoint (<= 1024px) */
@media (max-width: 1024px) {
  .nav-mobile-toggle {
    display: flex;
  }

  .nav-menu-wrapper {
    position: fixed;
    top: var(--nav-height);
    left: 0;
    right: 0;
    height: calc(100dvh - var(--nav-height));
    background: rgba(251, 251, 250, 0.98);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    border-top: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    padding: 24px 20px 40px;
    overflow-y: auto;
    opacity: 0;
    pointer-events: none;
    transform: translateY(-12px);
    transition: opacity 0.32s cubic-bezier(0.16, 1, 0.3, 1), 
                transform 0.32s cubic-bezier(0.16, 1, 0.3, 1);
    z-index: 999;
  }

  .nav-menu-wrapper.open {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
  }

  .nav-links {
    flex-direction: column;
    align-items: stretch;
    gap: 8px;
    width: 100%;
    max-width: 440px;
    margin: 0 auto;
  }

  .nav-link {
    display: flex;
    align-items: center;
    justify-content: flex-start;
    padding: 13px 18px;
    font-size: 1.08rem;
    font-weight: 600;
    color: var(--text-primary);
    border-radius: 12px;
    border: 1px solid transparent;
    transition: all 0.2s ease;
  }

  .nav-link:hover,
  .nav-link.active {
    background: var(--bg-surface);
    border-color: var(--border);
    color: var(--text-primary);
    transform: translateX(4px);
  }

  .nav-item-cta {
    margin-top: 14px;
    width: 100%;
  }

  .nav-item-cta .nav-cta {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    padding: 14px 20px;
    font-size: 1rem;
    border-radius: 14px;
    background: var(--text-primary);
    color: #FFFFFF !important;
    box-shadow: 0 4px 14px rgba(0, 0, 0, 0.12);
  }

  .nav-item-cta .nav-cta:hover {
    background: #27272A;
    transform: translateY(-2px);
  }
}

@media (max-width: 480px) {
  .nav-brand-title {
    font-size: 0.95rem;
  }
  .nav-brand-subtitle {
    font-size: 0.72rem;
  }
  .nav-inner {
    padding: 0 4px;
  }
}

/* ==========================================================================
   HERO / INTRO SECTION (MINH PHAM LIGHT THEME STRUCTURE)
   ========================================================================== */
.hero-section {
  padding-top: calc(var(--nav-height) + 48px);
  padding-bottom: 60px;
  background: radial-gradient(circle at 8% 18%, rgba(111, 184, 142, 0.05) 0%, transparent 45%),
              radial-gradient(circle at 92% 55%, rgba(141, 199, 166, 0.05) 0%, transparent 45%),
              var(--bg-base);
  position: relative;
  overflow: hidden;
}

.hero-container-rel {
  position: relative;
  z-index: 2;
}

.hero-3d-landscape {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  pointer-events: none;
  z-index: 1;
  overflow: hidden;
  opacity: 0.88;
}

#argentMassifCanvas {
  width: 100%;
  height: 100%;
  display: block;
}

.hero-3d-gradient-mask {
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 68% 46%, rgba(251, 251, 250, 0.05) 15%, rgba(251, 251, 250, 0.72) 65%, var(--bg-base) 100%),
              linear-gradient(to bottom, transparent 65%, var(--bg-base) 100%);
  pointer-events: none;
}

.hero-mark-layout {
  display: grid;
  grid-template-columns: 1.15fr 0.9fr;
  gap: 48px;
  align-items: center;
  margin-bottom: 56px;
}

@media (max-width: 960px) {
  .hero-mark-layout {
    grid-template-columns: 1fr;
    gap: 40px;
  }
}

/* 1. Live Visitor Pill */
.hero-visitor-pill {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  background: #FFFFFF;
  border: 1px solid var(--border);
  padding: 6px 15px;
  border-radius: var(--radius-full);
  font-size: 0.84rem;
  font-weight: 500;
  color: var(--text-secondary);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
  margin-bottom: 22px;
  transition: all var(--transition);
}

.hero-visitor-pill:hover {
  border-color: var(--border-dark);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.06);
  transform: translateY(-1px);
}

.visitor-pulse-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #10B981;
  position: relative;
  display: inline-block;
}

.visitor-pulse-dot::after {
  content: '';
  position: absolute;
  top: -3px;
  left: -3px;
  right: -3px;
  bottom: -3px;
  border-radius: 50%;
  background: rgba(16, 185, 129, 0.4);
  animation: pulsePing 3.2s infinite cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes pulsePing {
  0% { transform: scale(1); opacity: 0.75; }
  50% { transform: scale(2.2); opacity: 0; }
  100% { transform: scale(1); opacity: 0; }
}

/* 2. Headline & Name (Legacy) */
.hero-mark-name {
  font-family: var(--font-sans);
  font-size: clamp(2.8rem, 5.2vw, 4.4rem);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.035em;
  color: #0F172A;
  margin-bottom: 16px;
}

.hero-mark-name .name-gradient {
  background: linear-gradient(135deg, #224431 0%, #56AC7B 55%, #6FB88E 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* 2B. Hero Manifesto (From Data Pipeline to Business Insight) */
.hero-manifesto-title {
  font-family: var(--font-sans);
  font-size: clamp(2.2rem, 3.8vw, 3.25rem);
  font-weight: 800;
  line-height: 1.18;
  letter-spacing: -0.035em;
  color: #0F172A;
  margin-bottom: 16px;
}

.hero-manifesto-title .accent-pipeline {
  background: linear-gradient(135deg, #1D4ED8 0%, #2563EB 50%, #38BDF8 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  display: inline-block;
}

.hero-manifesto-title .accent-insight {
  background: linear-gradient(135deg, #047857 0%, #059669 50%, #10B981 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  display: inline-block;
}

.hero-manifesto-sub {
  font-family: var(--font-sans);
  font-size: clamp(1.15rem, 2vw, 1.45rem);
  font-weight: 700;
  line-height: 1.48;
  letter-spacing: -0.015em;
  color: #1E293B;
  margin-bottom: 18px;
}

.hero-manifesto-sub .accent-practical {
  color: #059669;
  font-weight: 800;
  position: relative;
  display: inline;
  background: linear-gradient(180deg, transparent 72%, rgba(16, 185, 129, 0.22) 72%);
}

.hero-manifesto-bio {
  font-size: 1.02rem;
  line-height: 1.82;
  color: #475569;
  margin-bottom: 26px;
}

.hero-manifesto-bio strong {
  color: #0F172A;
  font-weight: 700;
}

.hero-manifesto-bio .accent-story {
  color: #0F172A;
  font-weight: 800;
  background: linear-gradient(180deg, transparent 72%, rgba(245, 158, 11, 0.25) 72%);
  display: inline;
}

.hero-manifesto-bio .accent-role {
  color: #6FB88E;
  font-weight: 800;
  background: rgba(111, 184, 142, 0.08);
  border: 1px solid rgba(111, 184, 142, 0.22);
  padding: 2px 8px;
  border-radius: 6px;
  display: inline-block;
  white-space: nowrap;
}

/* 3. Subtitle / Typing line */
.hero-mark-sub {
  font-size: clamp(1.05rem, 1.8vw, 1.25rem);
  color: #475569;
  font-weight: 500;
  line-height: 1.6;
  margin-bottom: 24px;
}

.hero-typewriter-text {
  font-weight: 700;
  color: #6FB88E;
  border-bottom: 2px solid rgba(111, 184, 142, 0.3);
  padding-bottom: 1px;
}

.typing-cursor {
  display: inline-block;
  color: #6FB88E;
  font-weight: 400;
  animation: blinkCursor 0.8s infinite;
  margin-left: 2px;
}

@keyframes blinkCursor {
  0%, 100% { opacity: 1; }
  50% { opacity: 0; }
}

/* 4. Social Circular Strip */
.hero-social-strip {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 32px;
}

.hero-social-btn {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: #FFFFFF;
  border: 1px solid var(--border);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: #475569;
  text-decoration: none;
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.04);
  transition: all var(--transition);
  position: relative;
  cursor: pointer;
}

.hero-social-btn svg {
  width: 19px;
  height: 19px;
  fill: currentColor;
  transition: transform 0.2s ease;
}

.hero-social-btn:hover {
  color: #6FB88E;
  border-color: #CCE6D7;
  background: #F7FBF9;
  transform: translateY(-3px);
  box-shadow: 0 8px 16px rgba(111, 184, 142, 0.12);
}

.hero-social-btn:hover svg {
  transform: scale(1.1);
}

.hero-social-btn::after {
  content: attr(data-tip);
  position: absolute;
  bottom: -32px;
  left: 50%;
  transform: translateX(-50%) translateY(4px);
  background: #0F172A;
  color: #FFFFFF;
  font-size: 0.72rem;
  font-weight: 600;
  padding: 3px 8px;
  border-radius: 6px;
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transition: all 0.2s ease;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
  z-index: 10;
}

.hero-social-btn:hover::after {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

/* 5. Two Pill Buttons */
.hero-cta-group {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
}

.hero-pill-btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  height: 48px;
  padding: 0 24px;
  border-radius: var(--radius-full);
  font-size: 0.95rem;
  font-weight: 600;
  text-decoration: none;
  transition: all var(--transition);
  cursor: pointer;
  border: 1px solid transparent;
}

.hero-btn-purple {
  background: linear-gradient(135deg, #6FB88E 0%, #8DC7A6 100%);
  color: #FFFFFF !important;
  box-shadow: 0 4px 14px rgba(111, 184, 142, 0.25);
}

.hero-btn-purple:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(111, 184, 142, 0.38);
  filter: brightness(1.05);
}

.hero-btn-white {
  background: #FFFFFF;
  color: #1E293B !important;
  border-color: var(--border-dark);
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.04);
}

.hero-btn-white:hover {
  background: #F8FAFC;
  border-color: #94A3B8;
  transform: translateY(-2px);
  box-shadow: 0 6px 18px rgba(0, 0, 0, 0.08);
}

/* Standard Buttons for Modal & Other Components */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--text-primary);
  color: #FFFFFF;
  font-size: 0.9rem;
  font-weight: 600;
  padding: 11px 22px;
  border-radius: var(--radius-full);
  text-decoration: none;
  transition: all var(--transition);
  border: none;
  cursor: pointer;
}

.btn-primary:hover {
  background: #27272A;
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.12);
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--bg-surface);
  border: 1px solid var(--border-dark);
  color: var(--text-primary);
  font-size: 0.9rem;
  font-weight: 600;
  padding: 11px 20px;
  border-radius: var(--radius-full);
  text-decoration: none;
  transition: all var(--transition);
  cursor: pointer;
}

.btn-secondary:hover {
  border-color: var(--text-primary);
  background: var(--bg-subtle);
  transform: translateY(-1px);
}

/* 6. Khoa-Style Minimalist Tech Portrait Card (Basic FIG.01 Frame) */
.hero-basic-showcase {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
}

.hero-basic-frame {
  position: relative;
  width: 100%;
  max-width: 380px;
  animation: heroCardGentleFloat 9s cubic-bezier(0.45, 0.05, 0.55, 0.95) infinite;
  will-change: transform;
}

@keyframes heroCardGentleFloat {
  0%, 100% { transform: translateY(0px) rotate(0deg); }
  50% { transform: translateY(-7px) rotate(0.4deg); }
}

/* Subtle decorative offset outline behind the card (seen in friend's reference) */
.hero-frame-ghost {
  position: absolute;
  top: 14px;
  left: 14px;
  right: -14px;
  bottom: -14px;
  border-radius: 26px;
  border: 1.5px solid rgba(15, 23, 42, 0.14);
  pointer-events: none;
  z-index: 1;
  transition: all 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}

[data-theme="dark"] .hero-frame-ghost {
  border-color: rgba(255, 255, 255, 0.14);
}

.hero-basic-card {
  position: relative;
  width: 100%;
  height: 520px;
  border-radius: 22px;
  overflow: hidden;
  background: #0B0F19;
  border: 1.5px solid rgba(15, 23, 42, 0.18);
  box-shadow: 0 25px 55px rgba(15, 23, 42, 0.14), 0 4px 12px rgba(0, 0, 0, 0.05);
  z-index: 2;
  transition: transform 0.35s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.35s ease;
}

.hero-basic-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 32px 65px rgba(15, 23, 42, 0.2), 0 6px 16px rgba(0, 0, 0, 0.08);
}

.hero-basic-card:hover + .hero-frame-ghost,
.hero-basic-frame:hover .hero-frame-ghost {
  transform: translate(4px, 4px);
  border-color: rgba(111, 184, 142, 0.35);
}

.hero-basic-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 20%;
  display: block;
  transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.hero-basic-card:hover .hero-basic-img {
  transform: scale(1.028);
}

/* Inner Gradient Scrim for crisp text contrast */
.hero-scrim-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(
    to bottom,
    rgba(10, 15, 25, 0.48) 0%,
    rgba(10, 15, 25, 0.04) 24%,
    transparent 55%,
    rgba(10, 15, 25, 0.28) 75%,
    rgba(10, 15, 25, 0.78) 100%
  );
  pointer-events: none;
  z-index: 3;
}

/* Top-Left FIG. 01 Tag */
.hero-tag-fig {
  position: absolute;
  top: 22px;
  left: 24px;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 600;
  color: rgba(255, 255, 255, 0.88);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  z-index: 4;
  text-shadow: 0 1px 4px rgba(0, 0, 0, 0.6);
}

/* Bottom Bar */
.hero-bottom-bar {
  position: absolute;
  bottom: 22px;
  left: 22px;
  right: 22px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  z-index: 4;
}

/* Status Pill */
.hero-status-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(15, 23, 42, 0.78);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: var(--radius-full);
  padding: 6px 14px;
  color: #FFFFFF;
  font-family: var(--font-mono);
  font-size: 0.76rem;
  font-weight: 600;
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.3);
}

.hero-status-pill .status-green-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #10B981;
  box-shadow: 0 0 10px #10B981;
  animation: pulse-dot-anim 2s infinite ease-in-out;
}

/* Corner Name */
.hero-corner-name {
  font-family: var(--font-mono);
  font-size: 0.9rem;
  font-weight: 600;
  color: rgba(255, 255, 255, 0.95);
  letter-spacing: 0.04em;
  text-shadow: 0 1px 4px rgba(0, 0, 0, 0.7);
}

@media (max-width: 640px) {
  .hero-basic-frame {
    max-width: 320px;
  }
  .hero-basic-card {
    height: 440px;
  }
  .hero-frame-ghost {
    top: 10px;
    left: 10px;
    right: -10px;
    bottom: -10px;
  }
}

/* Navigation Language Toggle Button */
.nav-lang-toggle {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  background: #FFFFFF;
  border: 1.5px solid #CBD5E1;
  border-radius: var(--radius-full);
  padding: 5px 12px;
  cursor: pointer;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 600;
  color: #64748B;
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.03);
}

.nav-lang-toggle:hover {
  border-color: #94A3B8;
  background: #F8FAFC;
  transform: translateY(-1px);
}

.nav-lang-toggle .lang-code {
  transition: color 0.2s ease, font-weight 0.2s ease;
}

.nav-lang-toggle .lang-code.active {
  color: #0F172A;
  font-weight: 800;
}

.nav-lang-toggle .lang-slash {
  color: #CBD5E1;
  font-size: 0.7rem;
}

/* 7. Credentials Strip (Below Hero) */
.credentials-strip {
  padding-top: 36px;
  border-top: 1px solid var(--border);
}

.credentials-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
}

.cred-item {
  display: flex;
  flex-direction: column;
}

.cred-org {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: #64748B;
  margin-bottom: 2px;
}

.cred-highlight {
  font-size: 0.94rem;
  font-weight: 700;
  color: #0F172A;
}

/* ==========================================================================
   EXECUTIVE BUSINESS OVERVIEW (KHOA LE STYLE 2-COLUMN SHOWCASE)
   ========================================================================== */
.exec-overview-section {
  padding: 80px 0 88px;
  background: var(--bg-surface);
  border-top: 1px solid var(--border);
  position: relative;
}

.exec-overview-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 24px;
  padding-bottom: 12px;
  border-bottom: 1px dashed var(--border);
}

.exec-tag-num {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 800;
  color: #6FB88E;
  letter-spacing: 0.12em;
}

.exec-tag-label {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  font-weight: 700;
  color: var(--text-muted);
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.exec-overview-title {
  font-family: var(--font-sans);
  font-size: clamp(1.85rem, 3.5vw, 2.65rem);
  font-weight: 800;
  line-height: 1.25;
  color: var(--text-primary);
  letter-spacing: -0.025em;
  max-width: 960px;
  margin-bottom: 40px;
}

.exec-overview-cols {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  margin-bottom: 36px;
}

@media (max-width: 860px) {
  .exec-overview-cols {
    grid-template-columns: 1fr;
    gap: 28px;
  }
}

.exec-col {
  display: flex;
  flex-direction: column;
}

.exec-col-tag {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 700;
  color: #6FB88E;
  letter-spacing: 0.1em;
  margin-bottom: 14px;
  text-transform: uppercase;
}

.exec-col-text {
  font-family: var(--font-sans);
  font-size: 1.02rem;
  line-height: 1.78;
  color: var(--text-secondary);
}

/* ==========================================================================
   COMMON EDITORIAL SECTION STYLING
   ========================================================================== */
.editorial-section {
  padding: 80px 0;
  border-top: 1px solid var(--border);
}

.section-label {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--emerald);
  margin-bottom: 8px;
}

.section-heading {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 3.2vw, 2.5rem);
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--text-primary);
  line-height: 1.25;
  margin-bottom: 12px;
}

.section-subtext {
  font-size: 1.05rem;
  color: var(--text-secondary);
  line-height: 1.7;
  max-width: 82ch;
  margin-bottom: 40px;
}

/* ==========================================================================
   DATA PIPELINE (LIGHT THEME) — HOW MY DATA FLOWS
   ========================================================================== */
.pipeline-box {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  box-shadow: var(--shadow-subtle);
}

.pipeline-steps-bar {
  display: flex;
  gap: 12px;
  overflow-x: auto;
  padding-bottom: 16px;
  margin-bottom: 24px;
  border-bottom: 1px solid var(--border);
}

.pipeline-step-item {
  flex: 1;
  min-width: 170px;
  background: var(--bg-base);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 16px 14px;
  cursor: pointer;
  transition: all var(--transition);
  text-align: left;
}

.pipeline-step-item:hover {
  border-color: var(--border-dark);
  background: #FFFFFF;
}

.pipeline-step-item.active {
  background: #FFFFFF;
  border-color: var(--emerald);
  box-shadow: 0 4px 16px rgba(5, 150, 105, 0.12);
}

.step-meta-num {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--text-muted);
  margin-bottom: 4px;
}

.pipeline-step-item.active .step-meta-num {
  color: var(--emerald);
}

.step-meta-title {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 4px;
}

.step-meta-tech {
  font-size: 0.75rem;
  color: var(--text-secondary);
}

.pipeline-inspector {
  background: var(--bg-warm);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 24px;
  transition: opacity 0.2s ease;
}

.inspector-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 14px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border);
}

.inspector-title {
  font-size: 1.12rem;
  font-weight: 700;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 10px;
}

.inspector-badge {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 600;
  background: var(--emerald-subtle);
  border: 1px solid var(--emerald-border);
  color: var(--emerald);
  padding: 3px 10px;
  border-radius: var(--radius-full);
}

.inspector-desc {
  font-size: 0.96rem;
  line-height: 1.7;
  color: var(--text-secondary);
  margin-bottom: 16px;
}

.inspector-code {
  background: #111827;
  color: #F9FAFB;
  border-radius: var(--radius-sm);
  padding: 14px 18px;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  line-height: 1.55;
  overflow-x: auto;
}

.inspector-code code {
  color: #38BDF8;
}

/* ==========================================================================
   FEATURED ESSAY & BLOG LIST (KRISTIN WONG MAGAZINE STYLE)
   ========================================================================== */
.featured-essay-card {
  background: #FFFFFF;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 36px;
  margin-bottom: 28px;
  box-shadow: var(--shadow-card);
  transition: all var(--transition);
  cursor: pointer;
  position: relative;
}

.featured-essay-card:hover {
  box-shadow: var(--shadow-hover);
  border-color: var(--border-dark);
  transform: translateY(-2px);
}

.featured-pill {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  background: var(--amber-subtle);
  color: var(--amber);
  border: 1px solid var(--amber-border);
  padding: 3px 10px;
  border-radius: var(--radius-full);
  margin-bottom: 12px;
}

.featured-essay-title {
  font-family: var(--font-serif);
  font-size: clamp(1.6rem, 2.8vw, 2.1rem);
  font-weight: 600;
  color: var(--text-primary);
  line-height: 1.25;
  margin-bottom: 14px;
}

.featured-essay-excerpt {
  font-size: 1.02rem;
  line-height: 1.75;
  color: var(--text-secondary);
  margin-bottom: 20px;
  max-width: 85ch;
}

.essay-meta-row {
  display: flex;
  align-items: center;
  gap: 16px;
  font-size: 0.84rem;
  color: var(--text-muted);
}

.read-link {
  font-weight: 600;
  color: var(--text-primary);
  display: inline-flex;
  align-items: center;
  gap: 4px;
  margin-left: auto;
}

/* Regular Essays List */
.essays-archive-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.essay-row-card {
  background: #FFFFFF;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 24px 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  cursor: pointer;
  transition: all var(--transition);
}

.essay-row-card:hover {
  border-color: var(--border-dark);
  box-shadow: var(--shadow-subtle);
  transform: translateX(4px);
}

.essay-row-meta {
  font-size: 0.78rem;
  font-family: var(--font-mono);
  color: var(--text-muted);
  margin-bottom: 6px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.essay-category {
  color: var(--emerald);
  font-weight: 600;
}

.essay-row-title {
  font-family: var(--font-serif);
  font-size: 1.3rem;
  font-weight: 600;
  color: var(--text-primary);
  letter-spacing: -0.01em;
}

.essay-row-arrow {
  font-size: 1.2rem;
  color: var(--text-muted);
  transition: transform var(--transition), color var(--transition);
}

.essay-row-card:hover .essay-row-arrow {
  color: var(--text-primary);
  transform: translateX(4px);
}

/* ==========================================================================
   FEATURED PERSONAL PROJECTS
   ========================================================================== */
.projects-editorial-list {
  display: flex;
  flex-direction: column;
  gap: 28px;
}

.project-editorial-card {
  background: #FFFFFF;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 34px;
  box-shadow: var(--shadow-subtle);
  transition: all var(--transition);
}

.project-editorial-card:hover {
  box-shadow: var(--shadow-hover);
  border-color: var(--border-dark);
  transform: translateY(-2px);
}

.project-badge-line {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 12px;
}

.project-tag-pill {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--emerald);
  background: var(--emerald-subtle);
  border: 1px solid var(--emerald-border);
  padding: 3px 10px;
  border-radius: var(--radius-full);
}

.project-title {
  font-family: var(--font-serif);
  font-size: clamp(1.4rem, 2.4vw, 1.85rem);
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 8px;
}

.project-role {
  font-size: 0.88rem;
  color: var(--text-muted);
  margin-bottom: 16px;
  font-weight: 500;
}

.project-desc {
  font-size: 1rem;
  line-height: 1.75;
  color: var(--text-secondary);
  margin-bottom: 22px;
}

/* Metric strip */
.project-stats-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 22px;
  padding: 14px 18px;
  background: var(--bg-warm);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
}

.stat-pill {
  font-size: 0.82rem;
  color: var(--text-secondary);
  font-family: var(--font-mono);
}

.stat-pill strong {
  color: var(--text-primary);
  font-weight: 700;
}

.project-bottom-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 14px;
  padding-top: 20px;
  border-top: 1px solid var(--border);
}

.tech-tag-group {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.tech-tag {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  background: var(--bg-subtle);
  border: 1px solid var(--border);
  color: var(--text-secondary);
  padding: 4px 10px;
  border-radius: var(--radius-xs);
}

.btn-github {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--text-primary);
  color: #FFFFFF;
  text-decoration: none;
  font-size: 0.84rem;
  font-weight: 600;
  padding: 8px 16px;
  border-radius: var(--radius-full);
  transition: all var(--transition);
}

.btn-github:hover {
  background: #27272A;
  transform: translateY(-1px);
}

/* ==========================================================================
   ENTERPRISE & MISSION-CRITICAL STORIES
   ========================================================================== */
.experience-grid {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.exp-card {
  background: #FFFFFF;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 30px;
  box-shadow: var(--shadow-subtle);
  transition: all var(--transition);
}

.exp-card:hover {
  border-color: var(--border-dark);
}

.exp-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--text-muted);
  margin-bottom: 8px;
}

.exp-title {
  font-family: var(--font-serif);
  font-size: 1.35rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 4px;
}

.exp-org {
  font-size: 0.88rem;
  color: var(--text-muted);
  margin-bottom: 16px;
}

.exp-body {
  font-size: 0.98rem;
  line-height: 1.75;
  color: var(--text-secondary);
  margin-bottom: 18px;
}

.exp-quote {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 1.05rem;
  line-height: 1.6;
  color: var(--text-primary);
  padding: 12px 20px;
  border-left: 3px solid var(--amber);
  background: var(--amber-subtle);
  border-radius: 0 var(--radius-xs) var(--radius-xs) 0;
}

/* ==========================================================================
   CERTIFICATIONS
   ========================================================================== */
.certs-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

@media (max-width: 680px) {
  .certs-row {
    grid-template-columns: 1fr;
  }
}

.cert-pill-card {
  background: #FFFFFF;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 24px;
  display: flex;
  align-items: center;
  gap: 18px;
  box-shadow: var(--shadow-subtle);
}

.cert-logo {
  width: 52px;
  height: 52px;
  background: var(--bg-subtle);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 6px;
  flex-shrink: 0;
}

.cert-logo img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.cert-title-text {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 4px;
}

.cert-subtext {
  font-size: 0.78rem;
  font-family: var(--font-mono);
  color: var(--text-muted);
  margin-bottom: 6px;
}

.cert-verify-link {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--emerald);
  text-decoration: none;
}

.cert-verify-link:hover {
  text-decoration: underline;
}

/* ==========================================================================
   ARTICLE MODAL READER (KRISTIN WONG MAGAZINE READING MODE)
   ========================================================================== */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(17, 24, 39, 0.7);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition);
}

.modal-overlay.active {
  opacity: 1;
  pointer-events: auto;
}

.modal-article-sheet {
  background: #FFFFFF;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  width: 100%;
  max-width: 780px;
  max-height: 88vh;
  overflow-y: auto;
  padding: 50px 48px;
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.2);
  position: relative;
  transform: translateY(20px);
  transition: transform var(--transition);
}

.modal-overlay.active .modal-article-sheet {
  transform: translateY(0);
}

.modal-close-btn {
  position: absolute;
  top: 24px;
  right: 24px;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--bg-subtle);
  border: 1px solid var(--border);
  color: var(--text-secondary);
  font-size: 1rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition);
}

.modal-close-btn:hover {
  background: #E5E7EB;
  color: var(--text-primary);
}

.modal-tag {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--emerald);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 14px;
}

.modal-title {
  font-family: var(--font-serif);
  font-size: clamp(1.8rem, 3.2vw, 2.4rem);
  font-weight: 600;
  color: var(--text-primary);
  line-height: 1.25;
  margin-bottom: 24px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--border);
}

.modal-content {
  font-size: 1.08rem;
  line-height: 1.85;
  color: #374151;
}

.modal-content p {
  margin-bottom: 20px;
}

.modal-content blockquote {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 1.25rem;
  line-height: 1.6;
  color: var(--text-primary);
  border-left: 3px solid var(--amber);
  padding: 14px 24px;
  margin: 28px 0;
  background: var(--amber-subtle);
  border-radius: 0 var(--radius-xs) var(--radius-xs) 0;
}

.modal-content pre {
  background: #111827;
  color: #F9FAFB;
  border-radius: var(--radius-sm);
  padding: 16px 20px;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  overflow-x: auto;
  margin: 24px 0;
}

/* ==========================================================================
   CONTACT & FOOTER
   ========================================================================== */
.contact-editorial-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
}

@media (max-width: 768px) {
  .contact-editorial-layout {
    grid-template-columns: 1fr;
  }
}

.contact-info-card, .contact-form-card {
  background: #FFFFFF;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 34px;
  box-shadow: var(--shadow-subtle);
}

.contact-label-field {
  display: block;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 8px;
}

.contact-text-input, .contact-textarea-input {
  width: 100%;
  background: var(--bg-base);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 12px 16px;
  font-family: var(--font-sans);
  font-size: 0.94rem;
  color: var(--text-primary);
  outline: none;
  transition: border-color var(--transition);
}

.contact-text-input:focus, .contact-textarea-input:focus {
  border-color: var(--emerald);
  background: #FFFFFF;
}

.contact-textarea-input {
  min-height: 110px;
  resize: vertical;
}

.site-footer {
  padding: 40px 0;
  border-top: 1px solid var(--border);
  background: var(--bg-surface);
  font-size: 0.85rem;
  color: var(--text-muted);
}

.footer-content-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}

.footer-nav-links {
  display: flex;
  gap: 18px;
}

.footer-nav-link {
  color: var(--text-secondary);
  text-decoration: none;
  font-weight: 500;
}

.footer-nav-link:hover {
  color: var(--text-primary);
}

/* Toast */
.copy-toast {
  position: fixed;
  bottom: 24px;
  right: 24px;
  background: var(--text-primary);
  color: #FFFFFF;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 600;
  padding: 10px 18px;
  border-radius: var(--radius-full);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
  transform: translateY(100px);
  opacity: 0;
  transition: all var(--transition);
  z-index: 2000;
}

.copy-toast.show {
  transform: translateY(0);
  opacity: 1;
}

/* ==========================================================================
   MARK PHAM "HOW MY DATA FLOWS" INTERACTIVE BLUEPRINT CANVAS
   ========================================================================== */
.dataflow-section {
  padding: 90px 0 100px;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  background: var(--bg-warm);
}

.dataflow-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(16, 185, 129, 0.1);
  border: 1px solid rgba(16, 185, 129, 0.3);
  color: #10B981;
  font-size: 0.76rem;
  font-weight: 600;
  font-family: var(--font-mono);
  padding: 4px 12px;
  border-radius: var(--radius-full);
  margin-bottom: 12px;
}

.dataflow-badge .pulse-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #10B981;
  box-shadow: 0 0 10px #10B981;
  animation: pulse-dot-anim 2s infinite ease-in-out;
}

@keyframes pulse-dot-anim {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.4; transform: scale(0.85); }
}

/* Architecture Switching Tabs */
.arch-switcher-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 24px;
}

.arch-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  background: #111827;
  padding: 5px;
  border-radius: var(--radius-full);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.arch-tab-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: transparent;
  border: none;
  color: #9CA3AF;
  font-family: var(--font-sans);
  font-size: 0.85rem;
  font-weight: 600;
  padding: 8px 18px;
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: all 0.2s ease;
}

.arch-tab-btn:hover {
  color: #FFFFFF;
  background: rgba(255, 255, 255, 0.05);
}

.arch-tab-btn.active {
  background: #1F2937;
  color: #FFFFFF;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}

.arch-tab-btn .tab-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #6B7280;
}

.arch-tab-btn.active .tab-dot {
  background: #10B981;
  box-shadow: 0 0 8px #10B981;
}

.arch-canvas-hint {
  font-size: 0.8rem;
  font-family: var(--font-mono);
  color: var(--text-muted);
}

/* ==========================================================================
   INTERACTIVE ARCHITECTURE DAG CANVAS (MINH PHAM STYLE WITH GLOWING PACKETS)
   ========================================================================== */
.pipeline-dag-container {
  background: #080D1A;
  background: var(--bg-warm);
  background-image: 
    radial-gradient(rgba(255, 255, 255, 0.06) 1.2px, transparent 1.2px),
    linear-gradient(to right, rgba(255, 255, 255, 0.02) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
    radial-gradient(rgba(0, 0, 0, 0.08) 1.2px, transparent 1.2px),
    linear-gradient(to right, rgba(0, 0, 0, 0.03) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(0, 0, 0, 0.03) 1px, transparent 1px);
  background-size: 24px 24px, 120px 120px, 120px 120px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border: 1.5px solid #CBD5E1;
  border-radius: 22px;
  padding: 28px 20px 24px;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.4);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.04);
  position: relative;
  overflow: hidden;
  margin-top: 20px;
}

/* Variant Toggle Bar */
.pipeline-toggle-wrap {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  gap: 12px;
  margin-bottom: 24px;
  flex-wrap: wrap;
}

.pipeline-toggle-pill {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: rgba(15, 23, 42, 0.6);
  border: 1px solid rgba(71, 85, 105, 0.4);
  color: #94A3B8;
  font-family: var(--font-mono);
  font-size: 0.88rem;
  gap: 8px;
  background: var(--bg-warm);
  border: 1.5px solid #CBD5E1;
  color: var(--text-secondary);
  font-family: var(--font-sans);
  font-size: 0.9rem;
  font-weight: 600;
  padding: 10px 24px;
  padding: 10px 22px;
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  letter-spacing: 0.01em;
}

.pipeline-toggle-pill:hover {
  background: rgba(30, 41, 59, 0.85);
  border-color: rgba(148, 163, 184, 0.5);
  color: #F1F5F9;
  background: #ECE9E2;
  border-color: #94A3B8;
  color: var(--text-primary);
}

.pipeline-toggle-pill.active {
  background: linear-gradient(135deg, #1E40AF 0%, #2563EB 100%);
  border-color: rgba(147, 197, 253, 0.4);
  background: #0F172A;
  border-color: #0F172A;
  color: #FFFFFF;
  box-shadow: 0 0 25px rgba(37, 99, 235, 0.65), 0 0 10px rgba(59, 130, 246, 0.5);
  box-shadow: 0 4px 14px rgba(15, 23, 42, 0.2);
}

.pipeline-viewport {
  overflow-x: auto;
  overflow-y: hidden;
  scrollbar-width: thin;
  scrollbar-color: rgba(255, 255, 255, 0.2) transparent;
  scrollbar-color: rgba(0, 0, 0, 0.2) transparent;
  padding-bottom: 12px;
}

.pipeline-viewport::-webkit-scrollbar {
  height: 6px;
}

.pipeline-viewport::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.2);
  background: rgba(0, 0, 0, 0.15);
  border-radius: 10px;
}

.pipeline-svg-dag {
  width: 100%;
  min-width: 1080px;
  height: auto;
  display: block;
}

/* SVG Elements & Interaction */
/* SVG Blueprint Elements */
.pipeline-svg-dag text[letter-spacing] {
  fill: #475569 !important;
  font-weight: 800 !important;
}

.pipeline-svg-dag text[font-style="italic"] {
  fill: #64748B !important;
}

.pl-node {
  cursor: pointer;
  transition: transform 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

.pl-node:hover {
  transform: translateY(-2px);
}

.pl-node.active rect {
  filter: drop-shadow(0 0 12px rgba(111, 184, 142, 0.45));
}

/* Base Cards in DAG */
.pl-node rect:not([fill="none"]):not([rx="11"]):not([rx="6"]):not([rx="8"]):not([rx="5"]) {
  fill: #FFFFFF !important;
  stroke-width: 1.5px !important;
  stroke-opacity: 0.85 !important;
  filter: drop-shadow(0 2px 6px rgba(0, 0, 0, 0.05));
  transition: all 0.2s ease;
}

.pl-node rect[fill="none"] {
  stroke-opacity: 0.22 !important;
}

.pl-node:hover rect:not([fill="none"]):not([rx="11"]):not([rx="6"]):not([rx="8"]):not([rx="5"]) {
  stroke-opacity: 1 !important;
  filter: drop-shadow(0 6px 16px rgba(111, 184, 142, 0.15));
}

.pl-node.active rect:not([fill="none"]):not([rx="11"]):not([rx="6"]):not([rx="8"]):not([rx="5"]) {
  stroke: #6FB88E !important;
  stroke-opacity: 1 !important;
  stroke-width: 2px !important;
  fill: #F8FCFA !important;
  filter: drop-shadow(0 6px 18px rgba(111, 184, 142, 0.22));
}

/* Node Text Typography */
.pl-node text {
  fill: #0F172A !important;
}

.pl-node text[font-size="10.5"],
.pl-node text[font-size="11.5"],
.pl-node text[font-size="10"],
.pl-node text[font-size="11"],
.pl-node text[font-size="9.5"],
.pl-node text[font-size="9"] {
  fill: #64748B !important;
}

.pl-node text[font-size="13.5"],
.pl-node text[font-size="14"],
.pl-node text[font-size="13"] {
  fill: #0F172A !important;
  font-weight: 700 !important;
}

/* Highlight Titles */
.pl-node text[fill="#60A5FA"],
.pl-node text[fill="#3B82F6"] {
  fill: #2563EB !important;
  font-weight: 800 !important;
}

.pl-node text[fill="#34D399"],
.pl-node text[fill="#10B981"] {
  fill: #059669 !important;
  font-weight: 800 !important;
}

.pl-node text[fill="#38BDF8"] {
  fill: #0284C7 !important;
  font-weight: 800 !important;
}

.pl-node text[fill="#B7DCC7"],
.pl-node text[fill="#83C29E"] {
  fill: #6FB88E !important;
  font-weight: 800 !important;
}

/* Pill badges inside cards */
.pl-node rect[rx="6"],
.pl-node rect[rx="8"],
.pl-node rect[rx="11"] {
  fill: #F1F5F9 !important;
  stroke: #CBD5E1 !important;
}

.pl-node rect[stroke="#06B6D4"][rx="6"],
.pl-node rect[stroke="#38BDF8"][rx="6"] {
  fill: #ECFEFF !important;
  stroke: #06B6D4 !important;
}

.pl-node rect[stroke="#06B6D4"][rx="6"] + text,
.pl-node rect[stroke="#38BDF8"][rx="6"] + text {
  fill: #0891B2 !important;
  font-weight: 700 !important;
}

.pl-node rect[stroke="#10B981"][rx="6"],
.pl-node rect[stroke="#10B981"][rx="11"],
.pl-node rect[stroke="#059669"][rx="6"],
.pl-node rect[stroke="#059669"][rx="11"] {
  fill: #ECFDF5 !important;
  stroke: #10B981 !important;
}

.pl-node rect[stroke="#10B981"][rx="6"] + text,
.pl-node rect[stroke="#10B981"][rx="11"] + text,
.pl-node rect[stroke="#059669"][rx="6"] + text,
.pl-node rect[stroke="#059669"][rx="11"] + text {
  fill: #047857 !important;
  font-weight: 700 !important;
}

/* Omni BI badge in Col 6 */
.pl-node rect[fill="#EF4444"] {
  fill: #EF4444 !important;
}

.pl-node rect[fill="#EF4444"] + text {
  fill: #FFFFFF !important;
  font-weight: 800 !important;
}

/* Connecting Edges */
.pl-edge {
  fill: none;
  stroke: #8CC6A5;
  stroke-opacity: 0.5;
  stroke-opacity: 0.65;
  stroke-width: 2;
  transition: stroke 0.3s;
}

.pl-dashed {
  fill: none;
  stroke: #8CC6A5;
  stroke-opacity: 0.45;
  stroke-opacity: 0.6;
  stroke-width: 2;
  stroke-dasharray: 6 7;
  stroke-dasharray: 6 6;
}

/* Bypass curved arch text & annotations */
.pipeline-svg-dag text[fill="#ABD5BD"] {
  fill: #6FB88E !important;
  font-weight: 700 !important;
}

.pipeline-svg-dag text[fill="#B7DCC7"] {
  fill: #6FB88E !important;
}

.pipeline-svg-dag text[fill="#64748B"] {
  fill: #475569 !important;
}

.pipeline-svg-dag text[fill="#4B5563"] {
  fill: #64748B !important;
}

/* Glowing Packets (Traveling Light Bullets) */
.pl-packet {
  filter: drop-shadow(0 0 6px rgba(111, 184, 142, 0.7));
  filter: drop-shadow(0 0 4px rgba(111, 184, 142, 0.6));
  transition: opacity 0.2s ease;
}

.pl-packet-cyan {
  filter: drop-shadow(0 0 6px rgba(14, 165, 233, 0.7));
  filter: drop-shadow(0 0 4px rgba(14, 165, 233, 0.6));
}

.pl-packet-emerald {
  filter: drop-shadow(0 0 6px rgba(16, 185, 129, 0.7));
  filter: drop-shadow(0 0 4px rgba(16, 185, 129, 0.6));
}

/* Variant Groups Cross-Fade */
.pl-v {
  transition: opacity 0.35s ease, visibility 0.35s ease;
}

.pl-v.hidden {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.pl-v.active {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

/* Architecture Inspector Drawer / Box (Light Theme) */
.bp-inspector-panel {
  margin-top: 24px;
  background: #FFFFFF;
  border: 1.5px solid #CBD5E1;
  border-radius: 16px;
  padding: 24px 28px;
  transition: all 0.25s ease;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
}

.bp-inspector-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 14px;
  flex-wrap: wrap;
  gap: 10px;
}

.bp-inspector-title {
  font-size: 1.08rem;
  font-weight: 700;
  color: #0F172A;
  display: flex;
  align-items: center;
  gap: 10px;
}

.bp-inspector-stage-tag {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  padding: 4px 12px;
  border-radius: var(--radius-full);
  background: #F7FBF9;
  color: #6FB88E;
  border: 1px solid #E3F1E9;
  font-weight: 700;
}

.bp-inspector-body {
  font-size: 0.92rem;
  color: #475569;
  line-height: 1.7;
  margin-bottom: 18px;
}

.bp-inspector-code {
  background: #F8FAFC;
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 16px 18px;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: #0F172A;
  overflow-x: auto;
  line-height: 1.6;
}

/* ==========================================================================
   STANDALONE BLOG ARTICLE PAGE STYLES (EDITORIAL MAGAZINE)
   ========================================================================== */
.article-page-body {
  background-color: var(--bg-base);
  color: var(--text-secondary);
}

.article-container {
  max-width: 780px;
  margin: 0 auto;
  padding: calc(var(--nav-height) + 36px) 24px 80px;
}

.article-breadcrumb {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.82rem;
  color: var(--text-muted);
  margin-bottom: 24px;
}

.article-breadcrumb a {
  color: var(--text-muted);
  text-decoration: none;
  transition: color var(--transition);
}

.article-breadcrumb a:hover {
  color: var(--emerald);
}

.article-hero {
  margin-bottom: 40px;
  padding-bottom: 32px;
  border-bottom: 1px solid var(--border);
}

.article-badge-row {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 18px;
  flex-wrap: wrap;
}

.article-category-pill {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  background: var(--emerald-subtle);
  color: var(--emerald);
  border: 1px solid var(--emerald-border);
  padding: 4px 12px;
  border-radius: var(--radius-full);
}

.article-meta-info {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.article-main-title {
  font-family: var(--font-serif);
  font-size: clamp(2.2rem, 4.2vw, 3.1rem);
  font-weight: 600;
  line-height: 1.22;
  letter-spacing: -0.02em;
  color: var(--text-primary);
  margin-bottom: 20px;
}

.article-lead-paragraph {
  font-size: 1.18rem;
  line-height: 1.75;
  color: #374151;
  font-weight: 400;
  margin-bottom: 28px;
}

.article-author-row {
  display: flex;
  align-items: center;
  gap: 14px;
  padding-top: 18px;
  border-top: 1px solid var(--border-light);
}

.article-author-avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid var(--border);
}

.article-author-name {
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--text-primary);
}

.article-author-role {
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* Article Prose Typography */
.article-prose {
  font-size: 1.1rem;
  line-height: 1.85;
  color: #2D3748;
}

.article-prose p {
  margin-bottom: 24px;
}

.article-prose strong {
  color: var(--text-primary);
  font-weight: 600;
}

.article-prose h2 {
  font-family: var(--font-serif);
  font-size: clamp(1.6rem, 2.6vw, 2rem);
  font-weight: 600;
  color: var(--text-primary);
  margin-top: 48px;
  margin-bottom: 20px;
  letter-spacing: -0.01em;
  line-height: 1.3;
}

.article-prose h3 {
  font-family: var(--font-sans);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-top: 36px;
  margin-bottom: 14px;
}

/* Drop Cap on first paragraph */
.drop-cap::first-letter {
  float: left;
  font-family: var(--font-serif);
  font-size: 4.2rem;
  line-height: 0.8;
  padding-top: 4px;
  padding-right: 12px;
  padding-bottom: 2px;
  color: var(--emerald);
  font-weight: 700;
}

/* Editorial Blockquote */
.article-prose blockquote {
  margin: 36px 0;
  padding: 20px 28px;
  background: var(--bg-warm);
  border-left: 4px solid var(--emerald);
  border-radius: 0 14px 14px 0;
  font-family: var(--font-serif);
  font-size: 1.22rem;
  font-style: italic;
  color: var(--text-primary);
  line-height: 1.65;
}

/* Takeaway Box */
.article-takeaway {
  background: var(--emerald-subtle);
  border: 1px solid var(--emerald-border);
  border-radius: 14px;
  padding: 22px 24px;
  margin: 36px 0;
}

.article-takeaway-title {
  font-family: var(--font-sans);
  font-size: 0.88rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--emerald);
  margin-bottom: 8px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.article-takeaway-body {
  font-size: 0.95rem;
  color: #064E3B;
  line-height: 1.65;
}

/* Code Snippet in Article */
.article-code-block {
  background: #0B0F17;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 12px;
  padding: 18px 20px;
  margin: 28px 0;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  line-height: 1.6;
  color: #E2E8F0;
  overflow-x: auto;
}

.article-code-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 12px;
  padding-bottom: 8px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: #94A3B8;
}

/* Bottom Author Bio Card */
.author-card {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 32px;
  margin-top: 56px;
  margin-bottom: 40px;
  box-shadow: var(--shadow-subtle);
  display: flex;
  gap: 24px;
  align-items: center;
}

@media (max-width: 640px) {
  .author-card {
    flex-direction: column;
    text-align: center;
    padding: 24px;
  }
}

.author-card-avatar {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid var(--emerald);
  flex-shrink: 0;
}

.author-card-title {
  font-family: var(--font-serif);
  font-size: 1.3rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 6px;
}

.author-card-bio {
  font-size: 0.92rem;
  line-height: 1.65;
  color: var(--text-secondary);
  margin-bottom: 12px;
}

.author-card-links {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

@media (max-width: 640px) {
  .author-card-links {
    justify-content: center;
  }
}

.author-card-link {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--emerald);
  text-decoration: none;
}

.author-card-link:hover {
  text-decoration: underline;
}

/* Next / Previous Article Navigation */
.article-nav-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-top: 32px;
  padding-top: 32px;
  border-top: 1px solid var(--border);
}

@media (max-width: 640px) {
  .article-nav-row {
    grid-template-columns: 1fr;
  }
}

.article-nav-card {
  display: block;
  text-decoration: none;
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 18px 20px;
  transition: all var(--transition);
}

.article-nav-card:hover {
  border-color: var(--border-dark);
  transform: translateY(-2px);
  box-shadow: var(--shadow-card);
}

.article-nav-label {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-muted);
  text-transform: uppercase;
  margin-bottom: 6px;
}

.article-nav-title {
  font-size: 0.92rem;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.4;
}

/* Category Filter Bar on Blog Archive */
.blog-filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 32px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--border);
}

.filter-btn {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  color: var(--text-secondary);
  font-size: 0.85rem;
  font-weight: 500;
  padding: 6px 16px;
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: all var(--transition);
}

.filter-btn:hover {
  border-color: var(--text-primary);
  color: var(--text-primary);
}

.filter-btn.active {
  background: var(--text-primary);
  border-color: var(--text-primary);
  color: #FFFFFF;
}

/* ==========================================================================
   KRISTIN WONG STYLE HERO WITH TECH TWIST & CREDENTIALS STRIP
   ========================================================================== */
.hero-editorial-kristin {
  display: grid;
  grid-template-columns: 380px 1fr;
  gap: 52px;
  align-items: center;
}

@media (max-width: 960px) {
  .hero-editorial-kristin {
    grid-template-columns: 1fr;
    gap: 36px;
    text-align: left;
  }
}

.hero-photo-kristin {
  position: relative;
  width: 100%;
  max-width: 380px;
  margin: 0 auto;
}

.hero-photo-frame {
  width: 100%;
  aspect-ratio: 4 / 4.8;
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-card);
  background: #E5E7EB;
}

.hero-photo-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
  display: block;
}

.hero-photo-status {
  position: absolute;
  bottom: 14px;
  left: 14px;
  right: 14px;
  background: rgba(11, 15, 23, 0.88);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 10px;
  padding: 8px 12px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  color: #FFFFFF;
}

.hero-photo-status .status-text {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: #94A3B8;
}

.hero-photo-status .status-indicator {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: #10B981;
  font-weight: 700;
}

.hero-bio-kristin {
  display: flex;
  flex-direction: column;
}

.hero-bio-lead {
  font-size: 1.14rem;
  line-height: 1.8;
  color: var(--text-secondary);
  margin-bottom: 24px;
}

.hero-bio-lead strong {
  color: var(--text-primary);
  font-weight: 700;
}

.hero-connect-box {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 16px 18px;
  margin-top: 10px;
  margin-bottom: 24px;
  box-shadow: var(--shadow-subtle);
}

.hero-connect-form {
  display: flex;
  gap: 10px;
}

@media (max-width: 600px) {
  .hero-connect-form {
    flex-direction: column;
  }
}

.hero-connect-input {
  flex: 1;
  border: 1px solid var(--border);
  border-radius: var(--radius-full);
  padding: 10px 18px;
  font-family: var(--font-sans);
  font-size: 0.88rem;
  background: var(--bg-base);
  color: var(--text-primary);
  outline: none;
  transition: all var(--transition);
}

.hero-connect-input:focus {
  border-color: var(--emerald);
  background: #FFFFFF;
}

.hero-connect-btn {
  background: var(--text-primary);
  color: #FFFFFF;
  border: none;
  border-radius: var(--radius-full);
  padding: 10px 22px;
  font-size: 0.86rem;
  font-weight: 600;
  cursor: pointer;
  white-space: nowrap;
  transition: all var(--transition);
}

.hero-connect-btn:hover {
  background: #27272A;
  transform: translateY(-1px);
}

.hero-connect-sub {
  font-size: 0.76rem;
  color: var(--text-muted);
  margin-top: 8px;
  font-family: var(--font-mono);
}

/* Credentials Strip (Kristin Wong's Logo Row) */
.credentials-strip {
  margin-top: 56px;
  padding: 24px 20px;
  border: 1px solid var(--border);
  border-radius: 16px;
  background: var(--bg-warm);
}

/* 2-Color Editorial Rhythm Across Sections */
.hero-section {
  background: var(--bg-surface);
}

#skills.editorial-section {
  background: var(--bg-surface);
}

#milestones.editorial-section {
  background: var(--bg-surface);
}

#certs.editorial-section {
  background: var(--bg-warm);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

#essays.editorial-section {
  background: var(--bg-surface);
}

#contact.editorial-section {
  background: var(--bg-warm);
  border-top: 1px solid var(--border);
}

.credentials-inner {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  align-items: center;
}

@media (max-width: 900px) {
  .credentials-inner {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 600px) {
  .credentials-inner {
    grid-template-columns: 1fr;
    text-align: center;
  }
}

.cred-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 6px 10px;
  transition: transform 0.2s ease;
}

.cred-item:hover {
  transform: translateY(-2px);
}

.cred-org {
  font-family: var(--font-serif);
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: -0.01em;
}

.cred-highlight {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--emerald);
  font-weight: 600;
  margin-top: 2px;
}

/* ==========================================================================
   SKILLS BENTO GRID SECTION
   ========================================================================== */
.skills-bento-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 32px;
}

@media (max-width: 980px) {
  .skills-bento-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 640px) {
  .skills-bento-grid {
    grid-template-columns: 1fr;
  }
}

.skill-bento-card {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 28px 26px;
  display: flex;
  flex-direction: column;
  transition: all var(--transition);
}

.skill-bento-card:hover {
  border-color: var(--border-dark);
  transform: translateY(-3px);
  box-shadow: var(--shadow-card);
}

.skill-card-num {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--text-muted);
  letter-spacing: 0.1em;
  margin-bottom: 8px;
}

.skill-card-title {
  font-family: var(--font-sans);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 8px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.skill-card-desc {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 16px;
  flex: 1;
}

.skill-tags-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.skill-pill {
  background: var(--bg-subtle);
  border: 1px solid var(--border);
  border-radius: var(--radius-full);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--text-secondary);
  padding: 3px 10px;
}

/* ==========================================================================
   WORK EXPERIENCE SECTION (KHOA LE STYLE 2-COLUMN TIMELINE)
   ========================================================================== */
.exp-timeline-list {
  display: flex;
  flex-direction: column;
  gap: 28px;
  margin-top: 36px;
}

.exp-item-card {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 36px;
  padding: 36px 32px;
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.02);
  transition: all var(--transition);
}

.exp-item-card:hover {
  border-color: #CBD5E1;
  box-shadow: 0 10px 28px rgba(0, 0, 0, 0.04);
  transform: translateY(-2px);
}

@media (max-width: 900px) {
  .exp-item-card {
    grid-template-columns: 1fr;
    gap: 20px;
    padding: 26px 20px;
  }
}

.exp-item-meta {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.exp-item-date {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  font-weight: 700;
  color: #6FB88E;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.exp-item-company {
  font-family: var(--font-sans);
  font-size: 1.2rem;
  font-weight: 800;
  color: var(--text-primary);
  line-height: 1.35;
  margin: 4px 0 2px;
}

.exp-item-loc {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--text-muted);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.exp-item-body {
  display: flex;
  flex-direction: column;
}

.exp-item-role-wrap {
  display: flex;
  align-items: baseline;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 12px;
}

.exp-item-role {
  font-family: var(--font-sans);
  font-size: 1.22rem;
  font-weight: 800;
  color: var(--text-primary);
  margin: 0;
}

.exp-item-focus {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 600;
  color: #6FB88E;
  background: #F7FBF9;
  padding: 3px 10px;
  border-radius: 6px;
  border: 1px solid #E3F1E9;
}

.exp-item-desc {
  font-family: var(--font-sans);
  font-size: 0.96rem;
  line-height: 1.75;
  color: var(--text-secondary);
  margin-bottom: 20px;
}

.exp-item-bullets-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  margin-bottom: 22px;
}

@media (max-width: 768px) {
  .exp-item-bullets-grid {
    grid-template-columns: 1fr;
    gap: 12px;
  }
}

.exp-bullets-col {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.exp-bullets-col li {
  position: relative;
  padding-left: 18px;
  font-family: var(--font-sans);
  font-size: 0.91rem;
  line-height: 1.65;
  color: var(--text-secondary);
}

.exp-bullets-col li::before {
  content: "▪";
  position: absolute;
  left: 0;
  top: 0;
  color: #6FB88E;
  font-size: 0.85rem;
  line-height: 1.65;
}

.exp-item-tech-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding-top: 16px;
  border-top: 1px dashed var(--border);
}

/* ==========================================================================
   MY WORKS / PROJECTS (MARK PHAM SCREENSHOT media_1789876757111.png)
   ========================================================================== */
.works-section {
  padding: 90px 0 100px;
  background: var(--bg-surface);
  color: var(--text-primary);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.works-header-row {
  margin-bottom: 32px;
}

.works-title {
  font-family: var(--font-sans);
  font-size: clamp(2.4rem, 4vw, 3.2rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  color: #0F172A;
  margin-bottom: 6px;
}

.works-subtitle {
  font-size: 1.05rem;
  color: var(--text-secondary);
}

.works-filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 36px;
}

.works-filter-btn {
  background: #F1F5F9;
  border: 1px solid var(--border);
  color: var(--text-secondary);
  font-family: var(--font-sans);
  font-size: 0.84rem;
  font-weight: 600;
  padding: 8px 18px;
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: all 0.2s ease;
}

.works-filter-btn:hover {
  background: #E2E8F0;
  color: var(--text-primary);
}

.works-filter-btn.active {
  background: #0F172A;
  border-color: #0F172A;
  color: #FFFFFF;
  box-shadow: 0 4px 14px rgba(15, 23, 42, 0.25);
}

.works-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

@media (max-width: 980px) {
  .works-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 640px) {
  .works-grid {
    grid-template-columns: 1fr;
  }
}

.work-card {
  background: #FFFFFF;
  border: 1px solid var(--border);
  border-radius: 18px;
  overflow: hidden;
  cursor: pointer;
  transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-subtle);
}

.work-card:hover {
  transform: translateY(-4px);
  border-color: #CBD5E1;
  box-shadow: var(--shadow-card);
}

.work-card-media {
  width: 100%;
  height: 210px;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.work-card-media-badge {
  position: absolute;
  top: 14px;
  left: 14px;
  background: rgba(15, 23, 42, 0.75);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: var(--radius-full);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 600;
  color: #E2E8F0;
  padding: 4px 12px;
}

.work-card-expand-icon {
  position: absolute;
  top: 14px;
  right: 14px;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: rgba(15, 23, 42, 0.65);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 255, 255, 0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #FFFFFF;
  font-size: 0.85rem;
  transition: all 0.2s ease;
}

.work-card:hover .work-card-expand-icon {
  color: #FFFFFF;
  background: #0F172A;
}

.work-card-graphic {
  font-family: var(--font-mono);
  font-size: 2.8rem;
  opacity: 0.95;
}

.work-card-body {
  padding: 20px;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.work-card-title {
  font-size: 1.12rem;
  font-weight: 700;
  color: #0F172A;
  line-height: 1.35;
  margin-bottom: 8px;
}

.work-card-desc {
  font-size: 0.88rem;
  color: #475569;
  line-height: 1.6;
  margin-bottom: 16px;
  flex: 1;
}

.work-tech-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.work-tech-pill {
  background: #F1F5F9;
  border: 1px solid var(--border);
  border-radius: 6px;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: #334155;
  padding: 3px 8px;
}

/* ==========================================================================
   MARK PHAM PROJECT DETAIL MODAL (media_1789876776598.png)
   ========================================================================== */
.project-modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(12px);
  z-index: 3000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  opacity: 0;
  pointer-events: none;
  transition: all 0.25s ease;
}

.project-modal-overlay.active {
  opacity: 1;
  pointer-events: auto;
}

.project-modal-sheet {
  background: #FFFFFF;
  border: 1px solid var(--border);
  border-radius: 20px;
  max-width: 680px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: 0 25px 60px rgba(0, 0, 0, 0.25);
  position: relative;
  transform: translateY(20px);
  transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

.project-modal-overlay.active .project-modal-sheet {
  transform: translateY(0);
}

.project-modal-banner {
  height: 220px;
  background: linear-gradient(135deg, #224431 0%, #0F172A 100%);
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  border-top-left-radius: 19px;
  border-top-right-radius: 19px;
}

.project-modal-close-btn {
  position: absolute;
  top: 16px;
  right: 16px;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: rgba(15, 23, 42, 0.8);
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: #FFFFFF;
  font-size: 1.1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.2s ease;
}

.project-modal-close-btn:hover {
  background: #EF4444;
  border-color: #EF4444;
}

.project-modal-content {
  padding: 28px;
}

.project-modal-tag {
  display: inline-block;
  background: #6FB88E;
  color: #FFFFFF;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 700;
  padding: 4px 12px;
  border-radius: var(--radius-full);
  margin-bottom: 12px;
}

.project-modal-title {
  font-size: 1.65rem;
  font-weight: 800;
  color: #0F172A;
  margin-bottom: 12px;
  line-height: 1.3;
}

.project-modal-lead {
  font-size: 0.95rem;
  color: #475569;
  line-height: 1.65;
  margin-bottom: 24px;
}

/* Key Highlights Cards (Mark Pham style) */
.modal-highlights-section {
  margin-bottom: 28px;
}

.modal-highlights-title {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: #64748B;
  margin-bottom: 12px;
}

.modal-highlights-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
}

@media (max-width: 600px) {
  .modal-highlights-grid {
    grid-template-columns: 1fr;
  }
}

.modal-highlight-card {
  background: #F8FAFC;
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 12px 14px;
  text-align: center;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 700;
  color: #0F172A;
}

.project-modal-body {
  font-size: 0.9rem;
  line-height: 1.7;
  color: #475569;
  margin-bottom: 24px;
}

.project-modal-body p {
  margin-bottom: 12px;
}

.project-modal-body strong {
  color: #0F172A;
}

.modal-actions-row {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  padding-top: 18px;
  border-top: 1px solid var(--border);
}

/* ==========================================================================
   MILESTONES / HÀNH TRÌNH PHÁT TRIỂN (COMPACT TIMELINE CARDS)
   ========================================================================== */
.timeline-list {
  position: relative;
  max-width: 840px;
  margin: 36px auto 0;
  padding-left: 42px;
}

.timeline-list::before {
  content: '';
  position: absolute;
  top: 14px;
  bottom: 18px;
  left: 14px;
  width: 2px;
  background: linear-gradient(180deg, #6FB88E 0%, #10B981 70%, #CBD5E1 100%);
  border-radius: 2px;
}

.timeline-item {
  position: relative;
  margin-bottom: 18px;
}

.timeline-item:last-child {
  margin-bottom: 0;
}

.timeline-dot {
  position: absolute;
  left: -42px;
  top: 20px;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--bg-surface);
  border: 3px solid #6FB88E;
  box-shadow: 0 0 0 4px var(--bg-base);
  z-index: 2;
  transition: all var(--transition);
}

.timeline-item.active .timeline-dot {
  border-color: #10B981;
  background: #10B981;
  box-shadow: 0 0 0 4px rgba(16, 185, 129, 0.25);
}

.timeline-card {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 18px 24px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.02);
  transition: all var(--transition);
}

.timeline-card:hover {
  transform: translateX(4px);
  border-color: #CBD5E1;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.04);
}

.timeline-item.active .timeline-card {
  border-color: #A7F3D0;
  background: linear-gradient(180deg, #FFFFFF 0%, #F0FDF4 100%);
}

.timeline-card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 8px;
}

.timeline-year-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 700;
  background: #F7FBF9;
  color: #6FB88E;
  border: 1px solid #E3F1E9;
  padding: 3px 11px;
  border-radius: var(--radius-full);
}

.timeline-year-pill.active {
  background: #ECFDF5;
  color: #059669;
  border-color: #A7F3D0;
}

.timeline-year-pill .live-pulse-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #10B981;
  box-shadow: 0 0 8px #10B981;
  animation: pulse-dot-anim 1.8s infinite ease-in-out;
}

.timeline-title {
  font-family: var(--font-sans);
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--text-primary);
  line-height: 1.35;
  margin-bottom: 5px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.timeline-title .timeline-icon {
  font-size: 1.2rem;
  flex-shrink: 0;
}

.timeline-org {
  font-family: var(--font-sans);
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--text-secondary);
  line-height: 1.5;
  margin-bottom: 0;
}

@media (max-width: 640px) {
  .timeline-list {
    padding-left: 32px;
  }
  .timeline-list::before {
    left: 9px;
  }
  .timeline-dot {
    left: -32px;
    width: 14px;
    height: 14px;
    top: 18px;
  }
  .timeline-card {
    padding: 15px 18px;
  }
  .timeline-title {
    font-size: 1.02rem;
  }
}

/* ==========================================================================
   CERTIFICATES SHOWCASE CARDS
   ========================================================================== */
.certs-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 36px;
}

@media (max-width: 900px) {
  .certs-grid {
    grid-template-columns: 1fr;
  }
}

.cert-card {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  overflow: hidden;
  box-shadow: var(--shadow-subtle);
  display: flex;
  flex-direction: column;
  transition: all var(--transition);
}

.cert-card:hover {
  border-color: var(--border-dark);
  transform: translateY(-3px);
  box-shadow: var(--shadow-card);
}

.cert-card-img-wrap {
  width: 100%;
  height: 180px;
  background: #F3F4F6;
  border-bottom: 1px solid var(--border);
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

.cert-card-img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.cert-card-body {
  padding: 20px;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.cert-card-badge {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 700;
  color: var(--emerald);
  margin-bottom: 6px;
}

.cert-card-title {
  font-family: var(--font-sans);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 6px;
}

.cert-card-desc {
  font-size: 0.86rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 14px;
  flex: 1;
}

.cert-card-clickable {
  cursor: pointer;
  text-decoration: none;
  color: inherit;
  display: flex;
  flex-direction: column;
}

.cert-card-footer-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: auto;
  padding-top: 14px;
  border-top: 1px solid var(--border-light);
  gap: 12px;
  flex-wrap: wrap;
}

.cert-status-tag {
  font-family: var(--font-mono);
  font-size: 0.76rem;
  color: var(--emerald);
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 5px;
}

.cert-link-action {
  font-family: var(--font-sans);
  font-size: 0.84rem;
  font-weight: 700;
  color: var(--text-primary);
  display: inline-flex;
  align-items: center;
  gap: 4px;
  transition: all var(--transition);
}

.cert-card:hover .cert-link-action {
  color: var(--emerald);
  transform: translateX(3px);
}

/* ==========================================================================
   UFM DEGREE LOOKUP MODAL (OFFICIAL UIS UFM VERIFICATION)
   ========================================================================== */
.ufm-modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(15, 23, 42, 0.75);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  z-index: 3100;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  opacity: 0;
  pointer-events: none;
  transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

.ufm-modal-overlay.active {
  opacity: 1;
  pointer-events: auto;
}

.ufm-modal-sheet {
  background: #FFFFFF;
  border: 1px solid var(--border);
  border-radius: 20px;
  max-width: 720px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
  position: relative;
  transform: translateY(20px);
  transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

.ufm-modal-overlay.active .ufm-modal-sheet {
  transform: translateY(0);
}

.ufm-modal-header {
  padding: 24px 28px 20px;
  background: linear-gradient(135deg, #224431 0%, #0F172A 100%);
  color: #FFFFFF;
  border-top-left-radius: 19px;
  border-top-right-radius: 19px;
  position: relative;
}

.ufm-modal-close-btn {
  position: absolute;
  top: 18px;
  right: 18px;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.15);
  border: 1px solid rgba(255, 255, 255, 0.25);
  color: #FFFFFF;
  font-size: 1.1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.2s ease;
}

.ufm-modal-close-btn:hover {
  background: #EF4444;
  border-color: #EF4444;
}

.ufm-modal-body {
  padding: 28px;
}

.ufm-params-box {
  background: var(--bg-warm);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 16px 20px;
  margin-bottom: 24px;
}

.ufm-params-title {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 6px;
}

.ufm-params-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}

@media (max-width: 600px) {
  .ufm-params-grid {
    grid-template-columns: 1fr;
  }
}

.ufm-param-item {
  background: #FFFFFF;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 8px 12px;
}

.ufm-param-label {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: var(--text-muted);
  margin-bottom: 2px;
}

.ufm-param-val {
  font-size: 0.92rem;
  font-weight: 700;
  color: var(--text-primary);
  font-family: var(--font-mono);
}

.ufm-result-card {
  border: 1.5px solid #E2E8F0;
  border-radius: 14px;
  overflow: hidden;
  margin-bottom: 24px;
  background: #FFFFFF;
  box-shadow: 0 4px 18px rgba(0, 0, 0, 0.04);
}

.ufm-result-top {
  background: #F8FAFC;
  padding: 12px 18px;
  border-bottom: 1px solid #E2E8F0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
}

.ufm-verified-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: #ECFDF5;
  border: 1px solid #A7F3D0;
  color: #059669;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: 9999px;
}

.ufm-result-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.88rem;
}

.ufm-result-table tr {
  border-bottom: 1px solid #F1F5F9;
}

.ufm-result-table tr:last-child {
  border-bottom: none;
}

.ufm-result-table td {
  padding: 11px 18px;
}

.ufm-result-table td.label-cell {
  font-family: var(--font-sans);
  font-weight: 600;
  color: #64748B;
  width: 36%;
  background: #FAFAFA;
}

.ufm-result-table td.val-cell {
  font-weight: 600;
  color: #0F172A;
}

.ufm-modal-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

/* ==========================================================================
   KRISTIN WONG "SELECTED WRITING" HEADING STYLE
   ========================================================================== */
.selected-writing-header {
  text-align: center;
  margin-bottom: 40px;
}

.selected-writing-label {
  font-family: var(--font-sans);
  font-size: 0.82rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.22em;
  color: var(--text-muted);
  display: block;
  margin-bottom: 6px;
}

.selected-writing-script {
  font-family: var(--font-serif);
  font-size: clamp(2.4rem, 4.4vw, 3.4rem);
  font-weight: 400;
  font-style: italic;
  color: var(--text-primary);
}

/* ==========================================================================
   LENIS INERTIAL 60FPS/120FPS SMOOTH SCROLL ENGINE
   ========================================================================== */
html.lenis, html.lenis body {
  height: auto;
}

.lenis.lenis-smooth {
  scroll-behavior: auto !important;
}

.lenis.lenis-smooth [data-lenis-prevent] {
  overscroll-behavior: contain;
}

.lenis.lenis-stopped {
  overflow: hidden;
}

.lenis.lenis-scrolling iframe {
  pointer-events: none;
}

/* ==========================================================================
   GSAP & SCROLL MOTION SYSTEM (GPT-TASTE & STITCH DESIGN TASTE SPEC)
   ========================================================================== */
.scroll-progress-bar {
  position: fixed;
  top: 0;
  left: 0;
  height: 3px;
  width: 0%;
  background: linear-gradient(90deg, #6FB88E 0%, #38BDF8 50%, #10B981 100%);
  z-index: 9999;
  pointer-events: none;
  transition: width 0.15s cubic-bezier(0.16, 1, 0.3, 1);
  box-shadow: 0 0 14px rgba(111, 184, 142, 0.45);
}

.site-nav.scrolled {
  background: rgba(251, 251, 250, 0.96);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.04);
  border-bottom-color: var(--border-dark);
}

section[id] {
  scroll-margin-top: calc(var(--nav-height) + 20px);
}

/* 120FPS Rendering Pipeline Optimization */
.editorial-section,
.exec-section {
  content-visibility: auto;
  contain-intrinsic-size: 1px 750px;
}

.hero-3d-landscape {
  contain: strict;
}

.pipeline-svg-dag {
  contain: layout paint;
  transform: translateZ(0);
}

/* Hardware-Accelerated 3D Card Physics & Spring Tilt (Zero CSS-GSAP conflict) */
.tilt-card-3d,
.exp-item-card,
.work-card,
.timeline-card,
.cert-card,
.writing-card,
.hero-basic-frame {
  transform-style: preserve-3d;
  backface-visibility: hidden;
  transition: box-shadow 0.3s cubic-bezier(0.16, 1, 0.3, 1), 
              border-color 0.3s ease;
}

.exp-item-card:hover {
  box-shadow: 0 18px 38px -6px rgba(0, 0, 0, 0.09);
  border-color: rgba(111, 184, 142, 0.4);
}

.timeline-card:hover {
  box-shadow: 0 14px 30px -4px rgba(0, 0, 0, 0.07);
  border-color: var(--emerald-border);
}

/* Card Shimmer Sweep Light Sheen */
.card-shimmer-sweep {
  position: relative;
  overflow: hidden;
}

.card-shimmer-sweep::after {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: linear-gradient(
    60deg,
    transparent 42%,
    rgba(255, 255, 255, 0.45) 50%,
    transparent 58%
  );
  transform: translateX(-100%);
  pointer-events: none;
  transition: transform 1.25s cubic-bezier(0.16, 1, 0.3, 1);
}

.card-shimmer-sweep:hover::after {
  transform: translateX(100%);
}

/* Magnetic Buttons & Tactile Cursor Interaction */
.magnetic-btn,
.hero-social-btn,
.hero-pill-btn,
.nav-cta {
  will-change: transform;
  transition: transform 0.35s cubic-bezier(0.16, 1, 0.3, 1), 
              background-color 0.3s ease, 
              border-color 0.3s ease,
              box-shadow 0.35s ease;
}

.hero-social-btn:hover {
  transform: translateY(-3px) scale(1.08);
}

/* Milestones Active Sonar Radar Ping */
.timeline-item.active .timeline-dot,
.timeline-item:hover .timeline-dot {
  border-color: #10B981;
  background: #10B981;
  box-shadow: 0 0 0 4px rgba(16, 185, 129, 0.25);
  animation: milestoneRadarPulse 2.8s infinite cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes milestoneRadarPulse {
  0% { box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.5); }
  65% { box-shadow: 0 0 0 12px rgba(16, 185, 129, 0); }
  100% { box-shadow: 0 0 0 0 rgba(16, 185, 129, 0); }
}

/* Slow, cinematic image scale on hover */
.work-card-img img,
.cert-card-img-wrap img {
  transition: transform 0.85s cubic-bezier(0.16, 1, 0.3, 1);
  will-change: transform;
}

.work-card:hover .work-card-img img,
.cert-card:hover .cert-card-img-wrap img {
  transform: scale(1.04);
}

/* Kinetic Number Highlight */
.kinetic-number {
  display: inline-block;
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.02em;
}

/* Calm & Gradual Fallback Reveal Styles */
.scroll-reveal {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 1.35s cubic-bezier(0.16, 1, 0.3, 1), 
              transform 1.35s cubic-bezier(0.16, 1, 0.3, 1);
  will-change: opacity, transform;
}

.scroll-reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
  .scroll-progress-bar,
  .scroll-reveal,
  .exp-item-card,
  .work-card,
  .timeline-card,
  .cert-card,
  .writing-card,
  .timeline-item.active .timeline-dot {
    transition: none !important;
    transform: none !important;
    animation: none !important;
    opacity: 1 !important;
  }
}