/* ============================================================
   Opeyemi Ojajuni — Product Builder portfolio
   Linear / Vercel / Stripe inspired design system
   ============================================================ */

/* ── Reset ── */
*, *::before, *::after { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
img, svg, video { max-width: 100%; display: block; }
button { font: inherit; border: none; background: none; cursor: pointer; color: inherit; }
a { color: inherit; text-decoration: none; }

/* ── Fonts ── */
@import url('https://rsms.me/inter/inter.css');

/* ── Design tokens (light) ── */
:root {
  --bg: #FFFFFF;
  --bg-subtle: #FAFAFA;
  --bg-elevated: #FFFFFF;
  --border: rgba(0, 0, 0, 0.08);
  --border-strong: rgba(0, 0, 0, 0.15);
  --text: #0A0A0A;
  --text-muted: #6B6B6B;
  --text-faint: #9A9A9A;

  --accent-green: #1D9E75;
  --accent-blue: #378ADD;
  --accent-orange: #D85A30;
  --accent-purple: #7F77DD;
  --amazon-orange: #F7931E;

  --pill-success-bg: #E1F5EE;
  --pill-success-text: #0F6E56;
  --pill-warning-bg: #FAEEDA;
  --pill-warning-text: #854F0B;
  --pill-info-bg: #E4EFFB;
  --pill-info-text: #175BA8;
  --pill-neutral-bg: #F1F1F1;
  --pill-neutral-text: #525252;

  --radius-sm: 6px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-pill: 999px;

  --shadow-soft: 0 1px 2px rgba(0,0,0,0.04);
  --shadow-hover: 0 8px 24px rgba(0,0,0,0.06);

  --container: 1000px;
  --nav-height: 60px;
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, system-ui, 'Segoe UI', Roboto, sans-serif;
}

/* ── Design tokens (dark) ── re*/
[data-theme="dark"] {
  --bg: #0A0A0A;
  --bg-subtle: #141414;
  --bg-elevated: #1A1A1A;
  --border: rgba(255, 255, 255, 0.08);
  --border-strong: rgba(255, 255, 255, 0.15);
  --text: #FAFAFA;
  --text-muted: #A0A0A0;
  --text-faint: #6B6B6B;

  --pill-success-bg: rgba(29, 158, 117, 0.16);
  --pill-success-text: #4FCF9F;
  --pill-warning-bg: rgba(247, 147, 30, 0.14);
  --pill-warning-text: #F2B367;
  --pill-info-bg: rgba(55, 138, 221, 0.16);
  --pill-info-text: #72ABE8;
  --pill-neutral-bg: rgba(255, 255, 255, 0.06);
  --pill-neutral-text: #B5B5B5;

  --shadow-soft: 0 1px 2px rgba(0,0,0,0.3);
  --shadow-hover: 0 8px 24px rgba(0,0,0,0.35);
}

/* ── Base ── */
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-sans);
  font-size: 14px;
  line-height: 1.6;
  font-weight: 400;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  font-feature-settings: 'cv11', 'ss01';
}
@supports (font-variation-settings: normal) {
  body { font-family: 'Inter var', -apple-system, BlinkMacSystemFont, system-ui, sans-serif; }
}

.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

/* ── Typography ── */
h1, h2, h3, h4, h5 { margin: 0; font-weight: 500; letter-spacing: -0.02em; color: var(--text); }
h1 { font-size: 36px; line-height: 1.15; letter-spacing: -0.025em; }
h2 { font-size: 22px; line-height: 1.25; }
h3 { font-size: 16px; line-height: 1.3; }
p  { margin: 0; color: var(--text); }

.eyebrow {
  display: inline-block;
  font-size: 10px;
  line-height: 1;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
  font-weight: 500;
}
.text-muted { color: var(--text-muted); }
.text-sm { font-size: 13px; }
.text-xs { font-size: 12px; }

/* ── Buttons ── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 14px;
  font-size: 13px;
  font-weight: 500;
  border-radius: var(--radius-md);
  border: 0.5px solid transparent;
  transition: all 0.15s ease;
  white-space: nowrap;
}
.btn-primary {
  background: var(--text);
  color: var(--bg);
  border-color: var(--text);
}
.btn-primary:hover { transform: translateY(-1px); box-shadow: var(--shadow-hover); }
.btn-outline {
  background: transparent;
  color: var(--text);
  border-color: var(--border-strong);
}
.btn-outline:hover { background: var(--bg-subtle); border-color: var(--text); }
.btn-sm { padding: 6px 10px; font-size: 12px; }

/* ================================================================
   NAV
   ================================================================ */
.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, 0.78);
  backdrop-filter: saturate(180%) blur(14px);
  -webkit-backdrop-filter: saturate(180%) blur(14px);
  border-bottom: 0.5px solid var(--border);
  height: var(--nav-height);
}
[data-theme="dark"] .nav { background: rgba(10, 10, 10, 0.72); }

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}
.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 13px;
  font-weight: 500;
}
.nav-logo-symbol {
  width: 22px;
  height: 22px;
  border-radius: var(--radius-sm);
  background: linear-gradient(135deg, var(--accent-green), var(--accent-blue));
  display: grid;
  place-items: center;
  color: #fff;
  font-size: 11px;
  font-weight: 500;
  letter-spacing: -0.02em;
}
.nav-logo-text { color: var(--text); }
.nav-logo-text span { color: var(--text-muted); font-weight: 400; }
.nav-phd-badge {
  display: inline-flex;
  align-items: center;
  padding: 1px 6px;
  margin-left: 4px;
  font-size: 9px;
  letter-spacing: 0.08em;
  font-weight: 500;
  color: var(--text-muted);
  background: var(--bg-subtle);
  border: 0.5px solid var(--border);
  border-radius: var(--radius-sm);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
}
.nav-links a {
  padding: 6px 10px;
  font-size: 13px;
  color: var(--text-muted);
  border-radius: var(--radius-sm);
  transition: color 0.15s;
}
.nav-links a:hover { color: var(--text); }
.nav-links a.active { color: var(--text); }
.nav-links .btn { margin-left: 8px; }

.theme-toggle {
  width: 30px;
  height: 30px;
  display: grid;
  place-items: center;
  border-radius: var(--radius-sm);
  color: var(--text-muted);
  transition: background 0.15s, color 0.15s;
  margin-left: 4px;
}
.theme-toggle:hover { background: var(--bg-subtle); color: var(--text); }
.theme-toggle svg { width: 15px; height: 15px; }

.nav-toggle {
  display: none;
  width: 32px;
  height: 32px;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 4px;
}
.nav-toggle span {
  width: 18px;
  height: 1.5px;
  background: var(--text);
  transition: transform 0.2s, opacity 0.2s;
}
.nav-toggle.open span:nth-child(1) { transform: translateY(5.5px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-5.5px) rotate(-45deg); }

.nav-mobile {
  position: fixed;
  inset: var(--nav-height) 0 0 0;
  background: var(--bg);
  padding: 24px;
  display: none;
  flex-direction: column;
  gap: 8px;
  z-index: 40;
  border-top: 0.5px solid var(--border);
}
.nav-mobile.open { display: flex; }
.nav-mobile a {
  padding: 12px 0;
  font-size: 16px;
  color: var(--text);
  border-bottom: 0.5px solid var(--border);
}

/* ================================================================
   SECTIONS & LAYOUT
   ================================================================ */
.section { padding: 56px 0; }
.section-sm { padding: 32px 0; }
.section-lg { padding: 80px 0; }

.section-head { margin-bottom: 32px; }
.section-head .eyebrow { margin-bottom: 12px; }
.section-head h2 { margin-bottom: 8px; }
.section-head p { color: var(--text-muted); max-width: 620px; font-size: 14px; }

/* ================================================================
   HERO
   ================================================================ */
.hero { padding: 72px 0 40px; }
.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 360px) minmax(0, 1fr);
  gap: 48px;
  align-items: center;
}
.hero-text { min-width: 0; }
.hero-photo {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 0.5px solid var(--border);
  background: var(--bg-subtle);
  aspect-ratio: 4 / 5;
  box-shadow: 0 12px 40px rgba(0,0,0,0.06);
  transition: transform 0.35s cubic-bezier(0.22, 1, 0.36, 1),
              box-shadow 0.35s ease,
              border-color 0.25s ease;
  will-change: transform;
}
.hero-photo::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(29, 158, 117, 0.0) 40%, rgba(55, 138, 221, 0.12) 100%);
  opacity: 0;
  transition: opacity 0.35s ease;
  pointer-events: none;
}
.hero-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.7s cubic-bezier(0.22, 1, 0.36, 1),
              filter 0.35s ease;
}
.hero-photo:hover {
  transform: translateY(-4px);
  box-shadow: 0 24px 60px rgba(0,0,0,0.12);
  border-color: var(--border-strong);
}
.hero-photo:hover::after { opacity: 1; }
.hero-photo:hover img {
  transform: scale(1.04);
  filter: saturate(1.08) contrast(1.03);
}
[data-theme="dark"] .hero-photo { box-shadow: 0 12px 40px rgba(0,0,0,0.4); }
[data-theme="dark"] .hero-photo:hover { box-shadow: 0 24px 60px rgba(0,0,0,0.6); }
.hero-status {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  font-size: 11px;
  font-weight: 500;
  background: var(--pill-success-bg);
  color: var(--pill-success-text);
  border-radius: var(--radius-pill);
  margin-bottom: 24px;
}
.hero-status .dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: currentColor;
  box-shadow: 0 0 0 3px rgba(29, 158, 117, 0.18);
  animation: pulse 2s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.55; }
}
.hero h1 {
  font-size: 40px;
  line-height: 1.1;
  max-width: 780px;
  margin-bottom: 16px;
}
.hero .hero-sub {
  font-size: 15px;
  color: var(--text-muted);
  max-width: 680px;
  line-height: 1.65;
  margin-bottom: 28px;
}
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

/* ================================================================
   METRIC GRID
   ================================================================ */
.metric-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
}
.metric-card {
  position: relative;
  background: var(--bg-subtle);
  border: 0.5px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 20px 18px;
  overflow: hidden;
  isolation: isolate;
  --metric-accent: var(--accent-blue);
  transition: transform 0.45s cubic-bezier(0.22, 1, 0.36, 1),
              border-color 0.3s ease,
              box-shadow 0.4s ease,
              background 0.35s ease;
}
.metric-card:has(.metric-value.green)  { --metric-accent: var(--accent-green); }
.metric-card:has(.metric-value.blue)   { --metric-accent: var(--accent-blue); }
.metric-card:has(.metric-value.orange) { --metric-accent: var(--accent-orange); }
.metric-card:has(.metric-value.purple) { --metric-accent: var(--accent-purple); }
.metric-card::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 2px;
  background: var(--metric-accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.55s cubic-bezier(0.22, 1, 0.36, 1);
  z-index: 2;
}
.metric-card::after {
  content: "";
  position: absolute;
  inset: -30%;
  background: radial-gradient(40% 40% at 50% 0%, var(--metric-accent), transparent 70%);
  opacity: 0;
  transition: opacity 0.45s ease;
  pointer-events: none;
  z-index: 0;
}
.metric-card > * { position: relative; z-index: 1; }
.metric-card:hover {
  transform: translateY(-6px);
  border-color: var(--metric-accent);
  background: var(--bg);
  box-shadow: 0 20px 45px -15px color-mix(in srgb, var(--metric-accent) 35%, transparent);
}
.metric-card:hover::before { transform: scaleX(1); }
.metric-card:hover::after  { opacity: 0.18; }

.metric-value {
  font-size: 30px;
  line-height: 1.1;
  font-weight: 500;
  letter-spacing: -0.03em;
  margin-bottom: 8px;
  display: inline-block;
  font-variant-numeric: tabular-nums;
  transition: transform 0.4s cubic-bezier(0.22, 1, 0.36, 1), letter-spacing 0.4s ease;
}
.metric-card:hover .metric-value {
  transform: translateY(-2px);
  letter-spacing: -0.02em;
}
.metric-value.green  { color: var(--accent-green); }
.metric-value.blue   { color: var(--accent-blue); }
.metric-value.orange { color: var(--accent-orange); }
.metric-value.purple { color: var(--accent-purple); }
.metric-caption {
  font-size: 12px;
  color: var(--text-muted);
  line-height: 1.5;
  transition: color 0.25s ease;
}
.metric-card:hover .metric-caption { color: var(--text); }

/* ================================================================
   WHAT I DO (capability cards)
   ================================================================ */
.capability-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}
.capability-card {
  position: relative;
  background: var(--bg);
  border: 0.5px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 22px;
  overflow: hidden;
  isolation: isolate;
  transition: transform 0.45s cubic-bezier(0.22, 1, 0.36, 1),
              border-color 0.3s ease,
              box-shadow 0.4s ease;
}
.capability-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(
    500px circle at var(--mx, 50%) var(--my, 0%),
    rgba(55, 138, 221, 0.12),
    rgba(29, 158, 117, 0.06) 30%,
    transparent 55%
  );
  opacity: 0;
  transition: opacity 0.5s ease;
  pointer-events: none;
  z-index: 0;
}
.capability-card > * { position: relative; z-index: 1; }
.capability-card:hover {
  transform: translateY(-6px);
  border-color: var(--border-strong);
  box-shadow: 0 22px 50px -20px rgba(0, 0, 0, 0.12);
}
.capability-card:hover::before { opacity: 1; }

.capability-icon {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  background: var(--bg-subtle);
  color: var(--text);
  display: grid;
  place-items: center;
  margin-bottom: 14px;
  font-size: 16px;
  transition: transform 0.55s cubic-bezier(0.22, 1, 0.36, 1),
              background 0.35s ease,
              color 0.35s ease,
              box-shadow 0.35s ease;
}
.capability-card:hover .capability-icon {
  transform: translateY(-3px) rotate(-8deg) scale(1.1);
  background: var(--text);
  color: var(--bg);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
}
.capability-card h3 {
  font-size: 16px;
  margin-bottom: 8px;
  transition: color 0.25s ease, transform 0.35s cubic-bezier(0.22, 1, 0.36, 1);
}
.capability-card:hover h3 { transform: translateX(2px); }
.capability-card p {
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.6;
  transition: color 0.25s ease;
}
.capability-card:hover p { color: var(--text); }

/* ================================================================
   JOURNEY — chapter list (compact product-y version)
   ================================================================ */
.journey-list {
  display: grid;
  gap: 8px;
}
.journey-row {
  display: grid;
  grid-template-columns: 80px 1fr auto;
  gap: 16px;
  align-items: flex-start;
  padding: 18px 16px;
  border: 0.5px solid var(--border);
  border-radius: var(--radius-lg);
  background: var(--bg);
  transition: transform 0.18s, border-color 0.18s;
}
.journey-row:hover {
  transform: translateY(-2px);
  border-color: var(--border-strong);
}
.journey-year {
  font-size: 12px;
  color: var(--text-muted);
  font-variant-numeric: tabular-nums;
  padding-top: 2px;
}
.journey-body h3 {
  font-size: 15px;
  margin-bottom: 4px;
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}
.journey-body .meta {
  font-size: 12px;
  color: var(--text-muted);
  margin-bottom: 8px;
}
.journey-body .meta a { color: var(--text); text-decoration: underline; text-decoration-color: var(--border-strong); text-underline-offset: 2px; }
.journey-body p { font-size: 13px; color: var(--text-muted); line-height: 1.55; }
.journey-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 10px;
}
.journey-side {
  text-align: right;
  font-size: 11px;
  color: var(--text-muted);
  padding-top: 2px;
}

/* Company avatars */
.avatar {
  width: 22px;
  height: 22px;
  border-radius: var(--radius-sm);
  display: grid;
  place-items: center;
  color: #fff;
  font-size: 11px;
  font-weight: 500;
  letter-spacing: -0.02em;
  flex-shrink: 0;
}
.avatar-lg { width: 28px; height: 28px; font-size: 13px; border-radius: var(--radius-md); }
.avatar-amazon  { background: var(--amazon-orange); color: #1A1A1A; }
.avatar-hacey   { background: #D85A30; }
.avatar-su      { background: #003366; }
.avatar-stalyc  { background: var(--accent-purple); }
.avatar-eko     { background: var(--accent-green); }
.avatar-subr    { background: var(--accent-blue); }

/* ================================================================
   STATUS PILLS
   ================================================================ */
.pill {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 2px 8px;
  font-size: 10px;
  font-weight: 500;
  line-height: 1.4;
  letter-spacing: 0.02em;
  border-radius: var(--radius-pill);
  white-space: nowrap;
}
.pill-success { background: var(--pill-success-bg); color: var(--pill-success-text); }
.pill-warning { background: var(--pill-warning-bg); color: var(--pill-warning-text); }
.pill-info    { background: var(--pill-info-bg); color: var(--pill-info-text); }
.pill-neutral { background: var(--pill-neutral-bg); color: var(--pill-neutral-text); }
.pill-dot {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: currentColor;
}

/* ================================================================
   TECH CHIPS
   ================================================================ */
.chips { display: flex; flex-wrap: wrap; gap: 6px; }
.chip {
  display: inline-flex;
  align-items: center;
  padding: 4px 10px;
  font-size: 11px;
  color: var(--text-muted);
  background: var(--bg-subtle);
  border: 0.5px solid var(--border);
  border-radius: var(--radius-pill);
  cursor: default;
  transition: transform 0.3s cubic-bezier(0.22, 1, 0.36, 1),
              color 0.2s ease,
              background 0.2s ease,
              border-color 0.2s ease,
              box-shadow 0.25s ease;
}
.chip:hover {
  transform: translateY(-2px) scale(1.05);
  color: var(--text);
  background: var(--bg);
  border-color: var(--text);
  box-shadow: 0 6px 14px rgba(0, 0, 0, 0.06);
}
/* Cascading chip reveal when parent .tech-stack is revealed */
.tech-stack .chip {
  opacity: 0;
  transform: translateY(8px);
  transition: opacity 0.5s ease,
              transform 0.5s cubic-bezier(0.22, 1, 0.36, 1),
              color 0.2s ease,
              background 0.2s ease,
              border-color 0.2s ease,
              box-shadow 0.25s ease;
}
.tech-stack.visible .chip { opacity: 1; transform: translateY(0); }
.tech-stack.visible .chip:nth-child(1)  { transition-delay: 0.05s; }
.tech-stack.visible .chip:nth-child(2)  { transition-delay: 0.10s; }
.tech-stack.visible .chip:nth-child(3)  { transition-delay: 0.15s; }
.tech-stack.visible .chip:nth-child(4)  { transition-delay: 0.20s; }
.tech-stack.visible .chip:nth-child(5)  { transition-delay: 0.25s; }
.tech-stack.visible .chip:nth-child(6)  { transition-delay: 0.30s; }
.tech-stack.visible .chip:nth-child(7)  { transition-delay: 0.35s; }
.tech-stack.visible .chip:nth-child(8)  { transition-delay: 0.40s; }
.tech-stack.visible .chip:nth-child(9)  { transition-delay: 0.45s; }
.tech-stack.visible .chip:nth-child(10) { transition-delay: 0.50s; }
.tech-stack.visible .chip:hover {
  transition-delay: 0s;
  transform: translateY(-2px) scale(1.05);
}

/* ================================================================
   TECH STACK (compressed skills)
   ================================================================ */
.tech-stack {
  position: relative;
  display: grid;
  grid-template-columns: 160px 1fr;
  gap: 24px;
  align-items: flex-start;
  padding: 18px 20px;
  border: 0.5px solid var(--border);
  border-radius: var(--radius-lg);
  background: var(--bg);
  overflow: hidden;
  transition: transform 0.3s cubic-bezier(0.22, 1, 0.36, 1),
              border-color 0.25s ease,
              box-shadow 0.3s ease;
}
.tech-stack::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 3px;
  height: 100%;
  background: linear-gradient(180deg, var(--accent-blue), var(--accent-green));
  transform: scaleY(0);
  transform-origin: top;
  transition: transform 0.5s cubic-bezier(0.22, 1, 0.36, 1);
}
.tech-stack:hover {
  transform: translateY(-1px);
  border-color: var(--border-strong);
  box-shadow: 0 10px 28px rgba(0, 0, 0, 0.05);
}
.tech-stack:hover::before { transform: scaleY(1); }
.tech-stack + .tech-stack { margin-top: 8px; }
.tech-stack-label {
  font-size: 12px;
  color: var(--text-muted);
  font-weight: 500;
  transition: color 0.25s ease, transform 0.3s cubic-bezier(0.22, 1, 0.36, 1);
}
.tech-stack:hover .tech-stack-label {
  color: var(--text);
  transform: translateX(4px);
}

/* ================================================================
   CASE STUDY CARDS (projects page)
   ================================================================ */
.project-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin-top: -44px;
  margin-bottom: 20px;
}
.project-stat {
  position: relative;
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 14px 18px;
  background: color-mix(in srgb, var(--bg) 94%, var(--text) 6%);
  border: 0.5px solid var(--border);
  border-radius: var(--radius-md);
  overflow: hidden;
  --stat-accent: var(--text-muted);
  transition: border-color 0.3s ease,
              transform 0.3s cubic-bezier(0.22, 1, 0.36, 1),
              box-shadow 0.3s ease;
}
.project-stat:has(.green)  { --stat-accent: var(--accent-green); }
.project-stat:has(.orange) { --stat-accent: var(--accent-orange); }
.project-stat:has(.blue)   { --stat-accent: var(--accent-blue); }
.project-stat::before {
  content: "";
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 3px;
  background: var(--stat-accent);
  transform: scaleY(0);
  transform-origin: center;
  transition: transform 0.35s cubic-bezier(0.22, 1, 0.36, 1);
}
.project-stat:hover {
  border-color: color-mix(in srgb, var(--stat-accent) 40%, var(--border-strong));
  transform: translateY(-2px);
  box-shadow: 0 10px 28px -16px color-mix(in srgb, var(--stat-accent) 55%, transparent);
}
.project-stat:hover::before { transform: scaleY(1); }
.project-stat-value {
  transition: transform 0.35s cubic-bezier(0.22, 1, 0.36, 1);
}
.project-stat:hover .project-stat-value { transform: scale(1.1); }
.project-stat-value {
  font-size: 28px;
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1;
  font-variant-numeric: tabular-nums;
}
.project-stat-value.green { color: var(--accent-green); }
.project-stat-value.orange { color: var(--accent-orange); }
.project-stat-value.blue { color: var(--accent-blue); }
.project-stat-value.purple { color: var(--accent-purple); }
.project-stat-text {
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.project-stat-label {
  font-size: 13px;
  font-weight: 600;
  color: var(--text);
  line-height: 1.2;
}
.project-stat-sublabel {
  font-size: 11px;
  font-weight: 400;
  color: var(--text-muted);
  line-height: 1.2;
}
@media (max-width: 720px) {
  .project-stats { grid-template-columns: 1fr; }
}
.filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 28px;
  padding-bottom: 18px;
  border-bottom: 0.5px solid var(--border);
}
.filter-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 14px;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-muted);
  background: transparent;
  border: 0.5px solid var(--border);
  border-radius: var(--radius-pill);
  transition: all 0.2s cubic-bezier(0.22, 1, 0.36, 1);
}
.filter-btn .filter-emoji {
  font-size: 14px;
  line-height: 1;
  filter: grayscale(0);
  transition: transform 0.25s cubic-bezier(0.22, 1, 0.36, 1);
}
.filter-btn:hover {
  color: var(--text);
  border-color: var(--border-strong);
  transform: translateY(-1px);
}
.filter-btn:hover .filter-emoji { transform: scale(1.15) rotate(-4deg); }
.filter-btn.active {
  background: var(--text);
  color: var(--bg);
  border-color: var(--text);
  box-shadow: 0 4px 14px -6px color-mix(in srgb, var(--text) 50%, transparent);
}

.case-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.case-card {
  position: relative;
  display: flex;
  flex-direction: column;
  background: var(--bg);
  border: 0.5px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  --cat-accent: var(--accent-blue);
  transition: transform 0.35s cubic-bezier(0.22, 1, 0.36, 1),
              border-color 0.25s ease,
              box-shadow 0.35s ease;
}
.case-card[data-category="ai"] { --cat-accent: var(--accent-purple); }
.case-card[data-category="ds"] { --cat-accent: var(--accent-blue); }
.case-card[data-category="xr"] { --cat-accent: var(--accent-orange); }
/* Ensure the [hidden] attribute wins over display:flex from .case-card */
.case-card[hidden] { display: none !important; }
.case-card:hover {
  transform: translateY(-6px);
  border-color: color-mix(in srgb, var(--cat-accent) 45%, var(--border-strong));
  box-shadow: 0 24px 52px -20px color-mix(in srgb, var(--cat-accent) 30%, rgba(15, 23, 42, 0.22));
}
/* Top accent line that grows on hover, colored by category */
.case-card::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--cat-accent), transparent);
  transform: scaleX(0);
  transform-origin: 50% 50%;
  transition: transform 0.45s cubic-bezier(0.22, 1, 0.36, 1);
  z-index: 3;
  pointer-events: none;
}
.case-card:hover::before { transform: scaleX(1); }

.case-media {
  position: relative;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background: linear-gradient(135deg, #f1f5f9, #e2e8f0);
  isolation: isolate;
}
/* Diagonal shine that sweeps across media on hover */
.case-media::before {
  content: "";
  position: absolute;
  inset: -10% -40%;
  background: linear-gradient(115deg,
    transparent 35%,
    rgba(255, 255, 255, 0.45) 50%,
    transparent 65%);
  transform: translateX(-120%);
  transition: transform 0.85s cubic-bezier(0.22, 1, 0.36, 1);
  pointer-events: none;
  z-index: 2;
  mix-blend-mode: overlay;
}
.case-card:hover .case-media::before { transform: translateX(120%); }
[data-theme="dark"] .case-media {
  background: linear-gradient(135deg, #1e293b, #0f172a);
}
.case-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.7s cubic-bezier(0.22, 1, 0.36, 1),
              filter 0.4s ease;
}
.case-card:hover .case-media img {
  filter: saturate(1.1) contrast(1.03);
}
/* Image-less placeholder variant (used for Amazon card) */
.case-media-amazon {
  background: linear-gradient(135deg, #FF9900 0%, #E67E00 100%);
  display: flex;
  align-items: center;
  justify-content: center;
}
.case-media-symbol {
  font-size: 96px;
  font-weight: 700;
  color: rgba(255, 255, 255, 0.95);
  letter-spacing: -0.04em;
  line-height: 1;
  transition: transform 0.6s cubic-bezier(0.22, 1, 0.36, 1);
}
.case-card:hover .case-media-symbol { transform: scale(1.1) rotate(-3deg); }
.case-card:hover .case-media img {
  transform: scale(1.08);
}
.case-media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(0,0,0,0) 55%, rgba(0,0,0,0.25) 100%);
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.3s ease;
}
.case-card:hover .case-media::after { opacity: 1; }

.case-media-badges {
  position: absolute;
  top: 12px;
  left: 12px;
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  z-index: 2;
}
.case-media-badges .pill {
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  background: rgba(255, 255, 255, 0.92);
  border: 0.5px solid rgba(255, 255, 255, 0.5);
  box-shadow: 0 2px 8px -2px rgba(0, 0, 0, 0.12);
  font-weight: 500;
  transition: transform 0.35s cubic-bezier(0.22, 1, 0.36, 1),
              box-shadow 0.3s ease;
}
.case-card:hover .case-media-badges .pill {
  transform: translateY(-2px);
  box-shadow: 0 6px 16px -4px rgba(0, 0, 0, 0.22);
}
.case-card:hover .case-media-badges .pill:nth-child(2) {
  transition-delay: 0.05s;
}
[data-theme="dark"] .case-media-badges .pill {
  background: rgba(15, 23, 42, 0.82);
  border-color: rgba(255, 255, 255, 0.12);
  color: #e2e8f0;
}

.case-body {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 20px;
  flex: 1;
}
.case-body h3 {
  font-size: 16px;
  line-height: 1.35;
  margin: 0;
  transition: color 0.3s ease;
}
.case-card:hover .case-body h3 {
  color: var(--cat-accent);
}
.case-outcome {
  font-size: 13px;
  color: var(--text);
  line-height: 1.55;
  margin: 0;
}
.case-outcome strong {
  font-weight: 500;
  color: var(--text);
  background: linear-gradient(transparent 62%, rgba(29, 158, 117, 0.22) 62%);
}
.case-desc {
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.55;
  margin: 0;
}
.case-actions {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  padding-top: 14px;
  margin-top: auto;
  border-top: 0.5px solid var(--border);
}
.case-link-btn {
  font-size: 12px;
  font-weight: 500;
  color: var(--text-muted);
  padding: 5px 11px;
  border-radius: var(--radius-sm);
  border: 0.5px solid var(--border);
  background: transparent;
  cursor: pointer;
  transition: all 0.18s cubic-bezier(0.22, 1, 0.36, 1);
}
.case-link-btn:hover {
  color: var(--bg);
  background: var(--cat-accent, var(--text));
  border-color: var(--cat-accent, var(--text));
  transform: translateY(-1px);
  box-shadow: 0 6px 14px -6px color-mix(in srgb, var(--cat-accent, var(--text)) 60%, transparent);
}

/* Key-numbers mini panel inside each case card */
.case-metrics {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 12px;
  background: color-mix(in srgb, var(--bg) 94%, var(--text) 6%);
  border: 0.5px solid var(--border);
  border-radius: var(--radius-md);
}
[data-theme="dark"] .case-metrics {
  background: color-mix(in srgb, var(--bg) 70%, var(--text) 4%);
}
.case-metrics-label {
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
}
.case-metrics-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}
.case-metrics-row.single { grid-template-columns: 1fr; }
.case-metric {
  padding: 10px 12px;
  background: var(--bg);
  border: 0.5px solid var(--border);
  border-radius: var(--radius-sm);
  transition: transform 0.25s cubic-bezier(0.22, 1, 0.36, 1),
              border-color 0.2s ease;
}
.case-card:hover .case-metric {
  border-color: var(--border-strong);
}
.case-metric-value {
  font-size: 22px;
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.1;
  font-variant-numeric: tabular-nums;
  color: var(--text);
  transition: transform 0.4s cubic-bezier(0.22, 1, 0.36, 1);
  transform-origin: left center;
}
.case-card:hover .case-metric-value { transform: scale(1.06); }
.case-metric-value.green  { color: var(--accent-green); }
.case-metric-value.blue   { color: var(--accent-blue); }
.case-metric-value.orange { color: var(--accent-orange); }
.case-metric-value.purple { color: var(--accent-purple); }
.case-metric-label {
  font-size: 11px;
  color: var(--text-muted);
  line-height: 1.3;
  margin-top: 4px;
}

/* ================================================================
   RESEARCH PAGE — theme cards
   ================================================================ */
.research-links {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 18px;
  margin-top: 16px;
  font-size: 13px;
}
.research-links a {
  color: var(--text);
  text-decoration: underline;
  text-decoration-color: var(--border-strong);
  text-underline-offset: 3px;
  transition: text-decoration-color 0.15s;
}
.research-links a:hover { text-decoration-color: var(--text); }

.theme-card {
  border: 0.5px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--bg);
  transition: transform 0.18s, border-color 0.18s;
}
.theme-card + .theme-card { margin-top: 16px; }
.theme-card:hover {
  transform: translateY(-2px);
  border-color: var(--border-strong);
}
.theme-band {
  height: 4px;
  width: 100%;
}
.theme-band.blue   { background: var(--accent-blue); }
.theme-band.green  { background: var(--accent-green); }
.theme-band.orange { background: var(--accent-orange); }

.theme-body { padding: 22px; }
.theme-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 8px;
  flex-wrap: wrap;
}
.theme-num {
  font-size: 10px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
}
.theme-body h2 { margin: 4px 0 10px; font-size: 19px; }
.theme-body > p { color: var(--text-muted); font-size: 13px; max-width: 720px; margin-bottom: 18px; }

.paper-list {
  display: grid;
  gap: 4px;
  border-top: 0.5px solid var(--border);
  padding-top: 14px;
}
.paper-row {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 16px;
  align-items: flex-start;
  padding: 10px 0;
  border-bottom: 0.5px solid var(--border);
}
.paper-row:last-child { border-bottom: 0; }
.paper-title {
  font-size: 13px;
  line-height: 1.5;
  color: var(--text);
}
.paper-title a {
  text-decoration: underline;
  text-decoration-color: var(--border-strong);
  text-underline-offset: 2px;
}
.paper-title a:hover { text-decoration-color: var(--text); }
.paper-venue {
  font-size: 12px;
  color: var(--text-muted);
  margin-top: 2px;
}
.paper-chips { justify-content: flex-end; }

.research-cta {
  margin-top: 32px;
  padding: 24px;
  border: 0.5px solid var(--border);
  border-radius: var(--radius-lg);
  background: var(--bg-subtle);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}
.research-cta p { font-size: 14px; color: var(--text); }
.research-cta p span { color: var(--text-muted); }

/* ================================================================
   MODAL (projects)
   ================================================================ */
.modal {
  position: fixed;
  inset: 0;
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 100;
  padding: 24px;
}
.modal.open { display: flex; }
.modal-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,0.5);
  backdrop-filter: blur(6px);
}
.modal-dialog {
  position: relative;
  background: var(--bg);
  border: 0.5px solid var(--border);
  border-radius: var(--radius-lg);
  max-width: 920px;
  width: 100%;
  max-height: 88vh;
  overflow-y: auto;
  padding: 36px 40px;
  box-shadow: 0 24px 60px rgba(0,0,0,0.2);
}
.modal-dialog h3 { font-size: 20px; margin-bottom: 8px; }
.modal-dialog h4 {
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin: 18px 0 6px;
}
.modal-dialog p, .modal-dialog ul { font-size: 13px; color: var(--text); line-height: 1.6; margin-bottom: 6px; }
.modal-dialog ul { padding-left: 18px; }
.modal-dialog ul li { margin-bottom: 4px; color: var(--text-muted); }
.modal-dialog ul li strong { color: var(--text); font-weight: 500; }

/* ── Modal header block ── */
.modal-header { margin-bottom: 4px; }
.modal-header-meta {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 22px;
}
.modal-header-meta .avatar { flex-shrink: 0; }
.modal-header-meta > div { display: flex; flex-direction: column; gap: 6px; align-items: flex-start; }
.modal-org {
  font-size: 13px;
  color: var(--text-muted);
}
.modal-title {
  font-size: 34px;
  font-weight: 600;
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin: 0 0 16px;
  color: var(--text);
}
.modal-lede {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.65;
  margin: 0 0 24px;
  max-width: 780px;
}

/* ── Modal 4-metric key numbers row ── */
.modal-metrics {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 10px;
  margin: 8px 0 36px;
}
.modal-metric {
  padding: 18px 20px;
  background: color-mix(in srgb, var(--bg) 94%, var(--text) 6%);
  border: 0.5px solid var(--border);
  border-radius: var(--radius-md);
  transition: border-color 0.2s ease, transform 0.25s cubic-bezier(0.22, 1, 0.36, 1);
}
.modal-metric:hover {
  border-color: var(--border-strong);
  transform: translateY(-2px);
}
.modal-metric-value {
  font-size: 28px;
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.05;
  font-variant-numeric: tabular-nums;
  margin-bottom: 6px;
  color: var(--text);
}
.modal-metric-value.green  { color: var(--accent-green); }
.modal-metric-value.blue   { color: var(--accent-blue); }
.modal-metric-value.orange { color: var(--accent-orange); }
.modal-metric-value.purple { color: var(--accent-purple); }
.modal-metric-label {
  font-size: 12px;
  color: var(--text-muted);
  line-height: 1.4;
}

/* ── Modal section (Approach, Stack, Media) ── */
.modal-section { margin-top: 36px; }
.modal-section .eyebrow { display: block; margin-bottom: 6px; }
.modal-section-title {
  font-size: 22px;
  font-weight: 600;
  letter-spacing: -0.015em;
  line-height: 1.25;
  margin: 6px 0 18px;
  color: var(--text);
}

/* ── Modal numbered step cards ── */
.modal-steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}
.modal-step {
  position: relative;
  padding: 18px 20px 20px;
  background: color-mix(in srgb, var(--bg) 94%, var(--text) 6%);
  border: 0.5px solid var(--border);
  border-radius: var(--radius-md);
  transition: border-color 0.2s ease, transform 0.25s cubic-bezier(0.22, 1, 0.36, 1);
}
.modal-step:hover { border-color: var(--border-strong); transform: translateY(-2px); }
.modal-step-bar {
  width: 30px;
  height: 3px;
  border-radius: 2px;
  margin-bottom: 14px;
}
.modal-step-bar.blue   { background: var(--accent-blue); }
.modal-step-bar.green  { background: var(--accent-green); }
.modal-step-bar.orange { background: var(--accent-orange); }
.modal-step-bar.purple { background: var(--accent-purple); }
.modal-step-title {
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--text);
}
.modal-step-body {
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.55;
  margin: 0;
}

/* ── Modal stack chips container ── */
.modal-stack { margin-top: 10px; }

.modal-close {
  position: absolute;
  top: 16px;
  right: 16px;
  width: 32px;
  height: 32px;
  border-radius: var(--radius-sm);
  display: grid;
  place-items: center;
  font-size: 20px;
  color: var(--text-muted);
  background: var(--bg-subtle);
  border: 0.5px solid var(--border);
  transition: color 0.15s, border-color 0.15s;
}
.modal-close:hover { color: var(--text); border-color: var(--border-strong); }

.modal-gallery {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 12px;
  margin-top: 4px;
}
.modal-gallery video,
.modal-gallery img {
  width: 100%;
  height: 100%;
  border-radius: var(--radius-md);
  border: 0.5px solid var(--border);
  display: block;
}

@media (max-width: 820px) {
  .modal-dialog { padding: 26px 22px; }
  .modal-title { font-size: 24px; }
  .modal-metrics { grid-template-columns: repeat(2, 1fr); }
  .modal-steps { grid-template-columns: 1fr; }
  .modal-section-title { font-size: 18px; }
}

/* ================================================================
   AWARDS (research page)
   ================================================================ */
.award-list { display: grid; gap: 8px; }
.award-row {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 14px;
  border: 0.5px solid var(--border);
  border-radius: var(--radius-md);
  background: var(--bg);
  transition: border-color 0.15s, transform 0.18s;
}
.award-row:hover { transform: translateY(-1px); border-color: var(--border-strong); }
.award-icon {
  width: 28px;
  height: 28px;
  border-radius: var(--radius-sm);
  background: var(--bg-subtle);
  display: grid;
  place-items: center;
  flex-shrink: 0;
  font-size: 14px;
}
.award-body h4 { font-size: 14px; margin-bottom: 2px; font-weight: 500; }
.award-body .meta { font-size: 12px; color: var(--text-muted); }
.award-body .award-link { margin-top: 6px; display: inline-block; font-size: 12px; text-decoration: underline; text-underline-offset: 2px; color: var(--text-muted); }
.award-body .award-link:hover { color: var(--text); }

/* ================================================================
   FOOTER
   ================================================================ */
.footer {
  border-top: 0.5px solid var(--border);
  padding: 32px 0;
  margin-top: 40px;
}
.footer-inner {
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.footer-status {
  position: relative;
  font-size: 12px;
  color: var(--text-muted);
  line-height: 1.7;
  max-width: 820px;
  margin: 0 auto;
  padding: 12px 22px;
  text-align: center;
  border-radius: 999px;
  background: var(--bg-subtle);
  border: 0.5px solid var(--border);
  overflow: hidden;
  transition: border-color 0.3s ease, transform 0.3s ease, box-shadow 0.3s ease;
}
.footer-status::before {
  content: "";
  position: absolute;
  top: 0;
  left: -40%;
  width: 40%;
  height: 100%;
  background: linear-gradient(
    90deg,
    transparent 0%,
    rgba(55, 138, 221, 0.10) 45%,
    rgba(29, 158, 117, 0.08) 55%,
    transparent 100%
  );
  animation: footerStatusSweep 6s ease-in-out infinite;
  pointer-events: none;
}
.footer-status:hover {
  border-color: var(--border-strong);
  transform: translateY(-1px);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.04);
}
.footer-status strong { color: var(--text); font-weight: 500; }
.footer-status .live-dot {
  display: inline-block;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #1D9E75;
  margin-right: 8px;
  vertical-align: 1px;
  box-shadow: 0 0 0 0 rgba(29, 158, 117, 0.55);
  animation: livePulse 2s ease-in-out infinite;
}
@keyframes livePulse {
  0%, 100% {
    box-shadow: 0 0 0 0 rgba(29, 158, 117, 0.55);
    transform: scale(1);
  }
  50% {
    box-shadow: 0 0 0 7px rgba(29, 158, 117, 0);
    transform: scale(1.2);
  }
}
@keyframes footerStatusSweep {
  0%   { left: -40%; }
  55%  { left: 110%; }
  100% { left: 110%; }
}
@media (prefers-reduced-motion: reduce) {
  .footer-status::before,
  .footer-status .live-dot { animation: none; }
}
.footer-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  padding-top: 16px;
  border-top: 0.5px solid var(--border);
  font-size: 12px;
  color: var(--text-muted);
}
.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
}
.footer-links a { color: var(--text-muted); transition: color 0.15s; }
.footer-links a:hover { color: var(--text); }

/* ================================================================
   AWARDS (awards.html)
   ================================================================ */
.award-list {
  display: grid;
  gap: 10px;
}
.award-row {
  position: relative;
  display: grid;
  grid-template-columns: 120px 1fr auto;
  gap: 20px;
  align-items: flex-start;
  padding: 20px 22px;
  border: 0.5px solid var(--border);
  border-radius: var(--radius-lg);
  background: var(--bg);
  overflow: hidden;
  transition: transform 0.3s cubic-bezier(0.22, 1, 0.36, 1),
              border-color 0.25s ease,
              box-shadow 0.3s ease;
}
.award-row::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 3px;
  height: 100%;
  background: var(--border);
  transition: background 0.3s ease, transform 0.4s cubic-bezier(0.22, 1, 0.36, 1);
  transform: scaleY(0.4);
  transform-origin: top;
}
.award-row:hover {
  transform: translateY(-2px);
  border-color: var(--border-strong);
  box-shadow: 0 10px 28px rgba(0, 0, 0, 0.05);
}
.award-row:hover::before {
  background: var(--text);
  transform: scaleY(1);
}
.award-meta {
  display: flex;
  flex-direction: column;
  gap: 8px;
  align-items: flex-start;
}
.award-year {
  font-size: 13px;
  font-weight: 500;
  color: var(--text);
  font-variant-numeric: tabular-nums;
}
.award-body h3 {
  font-size: 15px;
  font-weight: 500;
  margin: 0 0 6px 0;
  color: var(--text);
  line-height: 1.4;
}
.award-body p {
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.6;
  margin: 0;
}
.award-action { white-space: nowrap; }
@media (max-width: 720px) {
  .award-row { grid-template-columns: 1fr; gap: 12px; padding: 18px; }
  .award-action { justify-self: flex-start; }
}

/* ================================================================
   REVEAL (scroll-in animation)
   ================================================================ */
.reveal {
  opacity: 0;
  transform: translateY(8px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}
.reveal.visible {
  opacity: 1;
  transform: none;
}
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  * { animation-duration: 0.001s !important; transition-duration: 0.001s !important; }
}

/* ================================================================
   RESPONSIVE
   ================================================================ */
@media (max-width: 1100px) {
  .case-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 900px) {
  .metric-grid { grid-template-columns: repeat(2, 1fr); }
  .capability-grid { grid-template-columns: 1fr; }
  .hero h1 { font-size: 32px; }
  .hero-grid { grid-template-columns: 1fr; gap: 32px; }
  .hero-photo { max-width: 320px; aspect-ratio: 1 / 1; }
  .journey-row { grid-template-columns: 70px 1fr; }
  .journey-side { display: none; }
  .tech-stack { grid-template-columns: 1fr; gap: 10px; }
}

@media (max-width: 720px) {
  .case-grid { grid-template-columns: 1fr; }
  .nav-links { display: none; }
  .theme-toggle { margin-left: auto; }
  .nav-toggle { display: flex; }
  .hero { padding: 48px 0 32px; }
  .hero h1 { font-size: 28px; }
  .section { padding: 40px 0; }
  .paper-row { grid-template-columns: 1fr; }
  .paper-chips { justify-content: flex-start; }
  .research-cta { flex-direction: column; align-items: flex-start; }
  .footer-bar { flex-direction: column; align-items: flex-start; }
}

@media (max-width: 420px) {
  .metric-grid { grid-template-columns: 1fr; }
  .journey-row { grid-template-columns: 1fr; }
  .journey-year { margin-bottom: 4px; }
}

/* ============================================================
   Featured projects (#featured-projects)
   ============================================================ */
.interactive-band {
  background: var(--bg-subtle);
  border-top: 0.5px solid var(--border);
  border-bottom: 0.5px solid var(--border);
}

.project-tabs {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  margin-bottom: 20px;
}
.project-tab {
  font-size: 12px;
  font-weight: 500;
  color: var(--text-muted);
  padding: 7px 14px;
  border-radius: var(--radius-pill);
  border: 0.5px solid var(--border);
  background: var(--bg);
  transition: all 0.18s cubic-bezier(0.22, 1, 0.36, 1);
}
.project-tab:hover {
  color: var(--text);
  border-color: var(--border-strong);
  transform: translateY(-1px);
}
.project-tab.active {
  color: var(--bg);
  background: var(--text);
  border-color: var(--text);
}

.project-showcase {
  position: relative;
  display: grid;
  grid-template-columns: 1fr;
}
.project-panel {
  display: none;
  grid-template-columns: 1.05fr 1fr;
  gap: 28px;
  align-items: center;
  padding: 24px;
  background: var(--bg);
  border: 0.5px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-soft);
  grid-column: 1 / -1;
  grid-row: 1;
}
.project-panel.active { display: grid; }
.project-media {
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 0.5px solid var(--border);
  background: var(--bg-subtle);
  aspect-ratio: 16 / 10;
}
.project-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s cubic-bezier(0.22, 1, 0.36, 1);
}
.project-panel:hover .project-media img { transform: scale(1.02); }
.project-copy { display: flex; flex-direction: column; gap: 10px; }
.project-copy h3 { font-size: 18px; }
.project-copy p { color: var(--text-muted); font-size: 14px; }
.project-copy .case-link-btn { align-self: flex-start; margin-top: 4px; }

.project-kpis {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 4px;
}
.project-kpis span {
  font-size: 12px;
  color: var(--text-muted);
  padding: 6px 10px;
  background: var(--bg-subtle);
  border: 0.5px solid var(--border);
  border-radius: var(--radius-sm);
}
.project-kpis strong {
  color: var(--text);
  font-weight: 600;
  font-variant-numeric: tabular-nums;
  margin-right: 4px;
}

.project-arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 36px;
  height: 36px;
  display: grid;
  place-items: center;
  font-size: 20px;
  color: var(--text-muted);
  background: var(--bg);
  border: 0.5px solid var(--border);
  border-radius: 50%;
  box-shadow: var(--shadow-soft);
  z-index: 2;
  transition: all 0.18s cubic-bezier(0.22, 1, 0.36, 1);
}
.project-arrow:hover {
  color: var(--text);
  border-color: var(--border-strong);
  box-shadow: var(--shadow-hover);
}
.project-prev { left: -14px; }
.project-next { right: -14px; }

/* ============================================================
   Career timeline (#timeline)
   ============================================================ */
.timeline {
  display: grid;
  grid-template-columns: minmax(220px, 280px) 1fr;
  gap: 20px;
  align-items: start;
}
.timeline-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
  min-width: 0;
}
.timeline-item {
  display: flex;
  flex-direction: column;
  gap: 4px;
  text-align: left;
  padding: 14px 16px;
  background: var(--bg);
  border: 0.5px solid var(--border);
  border-left: 2px solid transparent;
  border-radius: var(--radius-md);
  transition: all 0.18s cubic-bezier(0.22, 1, 0.36, 1);
}
.timeline-item span {
  font-size: 10px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-faint);
  font-weight: 600;
}
.timeline-item strong {
  font-size: 13px;
  font-weight: 500;
  color: var(--text);
  letter-spacing: -0.01em;
}
.timeline-item:hover {
  border-color: var(--border-strong);
  transform: translateX(2px);
}
.timeline-item.active {
  border-left-color: var(--accent-blue);
  background: var(--bg-subtle);
}
.timeline-item.active span { color: var(--accent-blue); }

.timeline-detail {
  padding: 22px 24px;
  background: var(--bg);
  border: 0.5px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-soft);
  display: flex;
  flex-direction: column;
  gap: 10px;
  position: sticky;
  top: calc(var(--nav-height) + 16px);
}
.timeline-detail h3 { font-size: 18px; }
.timeline-detail p { color: var(--text-muted); }

/* ============================================================
   Guided explorer (#explorer)
   ============================================================ */
.guided-explorer {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 24px;
  align-items: center;
  padding: 24px;
  background: var(--bg-subtle);
  border: 0.5px solid var(--border);
  border-radius: var(--radius-lg);
}
.guided-explorer h2 { margin: 6px 0 6px; }
.guided-explorer p {
  color: var(--text-muted);
  font-size: 14px;
  max-width: 580px;
  transition: color 0.18s ease;
}
.explorer-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: flex-end;
}
.explorer-actions button {
  font-size: 12px;
  font-weight: 500;
  color: var(--text-muted);
  padding: 8px 14px;
  border-radius: var(--radius-pill);
  border: 0.5px solid var(--border);
  background: var(--bg);
  transition: all 0.18s cubic-bezier(0.22, 1, 0.36, 1);
}
.explorer-actions button:hover {
  color: var(--text);
  border-color: var(--border-strong);
  transform: translateY(-1px);
}
.explorer-actions button.active {
  color: var(--bg);
  background: var(--text);
  border-color: var(--text);
}

/* ── Responsive ── */
@media (max-width: 820px) {
  .project-panel { grid-template-columns: 1fr; padding: 18px; }
  .project-arrow { display: none; }
  .timeline { grid-template-columns: 1fr; }
  .timeline-detail { grid-column: 1; grid-row: auto; position: static; }
  .guided-explorer { grid-template-columns: 1fr; }
  .explorer-actions { justify-content: flex-start; }
}

/* ============================================================
   Scroll progress bar
   ============================================================ */
.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  height: 2px;
  width: 0;
  background: linear-gradient(90deg, var(--accent-blue), var(--accent-green));
  z-index: 100;
  pointer-events: none;
  transition: width 0.08s linear;
}

/* ============================================================
   Hero routing chips
   ============================================================ */
.hero-routing {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 18px;
}
.hero-routing a {
  font-size: 12px;
  font-weight: 500;
  color: var(--text-muted);
  padding: 6px 12px;
  border-radius: var(--radius-pill);
  border: 0.5px solid var(--border);
  background: var(--bg);
  transition: all 0.18s cubic-bezier(0.22, 1, 0.36, 1);
}
.hero-routing a:hover {
  color: var(--text);
  border-color: var(--border-strong);
  transform: translateY(-1px);
}

/* ============================================================
   Capability toggles ("See examples")
   ============================================================ */
.capability-toggle {
  align-self: flex-start;
  font-size: 12px;
  font-weight: 500;
  color: var(--text-muted);
  padding: 0;
  margin-top: 6px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: none;
  border: none;
  cursor: pointer;
  transition: color 0.18s ease;
}
.capability-toggle::after {
  content: '+';
  font-size: 14px;
  line-height: 1;
  font-weight: 600;
  transition: transform 0.18s ease;
}
.capability-toggle[aria-expanded="true"]::after {
  content: '−';
}
.capability-toggle:hover { color: var(--text); }

.capability-more {
  display: grid;
  grid-template-rows: 0fr;
  overflow: hidden;
  transition: grid-template-rows 0.28s cubic-bezier(0.22, 1, 0.36, 1);
}
.capability-more > p {
  min-height: 0;
  font-size: 13px;
  color: var(--text-muted);
  margin-top: 8px;
  padding-top: 8px;
  border-top: 0.5px solid var(--border);
}
.capability-card.expanded .capability-more {
  grid-template-rows: 1fr;
}