styles.css

/* ============ MODAL ============ */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: color-mix(in oklab, #000 65%, transparent);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 32px;
  animation: fadeIn 0.25s cubic-bezier(0.22, 1, 0.36, 1);
}
.modal {
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  width: 100%;
  max-width: 880px;
  max-height: calc(100vh - 64px);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  animation: modalIn 0.35s cubic-bezier(0.22, 1, 0.36, 1);
}
@keyframes modalIn {
  from { opacity: 0; transform: translateY(20px) scale(0.96); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}
.modal-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 28px;
  border-bottom: 1px solid var(--border);
  background: var(--bg-sunk);
  flex-shrink: 0;
}
.modal-head-meta {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.modal-head-meta .crumb {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--fg-soft);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}
.modal-head-meta .title {
  font-size: 18px;
  font-weight: 600;
  letter-spacing: -0.015em;
}
.modal-close {
  width: 36px; height: 36px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--bg-elev);
  color: var(--fg-muted);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.15s;
}
.modal-close:hover { color: var(--fg); border-color: var(--border-strong); transform: rotate(90deg); }

.modal-body {
  overflow-y: auto;
  flex: 1;
  scroll-behavior: smooth;
}
.modal-body::-webkit-scrollbar { width: 8px; }
.modal-body::-webkit-scrollbar-track { background: var(--bg-sunk); }
.modal-body::-webkit-scrollbar-thumb { background: var(--border-strong); border-radius: 4px; }

.modal-hero {
  position: relative;
  height: 280px;
  background: var(--bg-sunk);
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  border-bottom: 1px solid var(--border);
}
.modal-hero-stripes {
  position: absolute;
  inset: 0;
  background-image: repeating-linear-gradient(
    135deg,
    transparent 0,
    transparent 16px,
    color-mix(in oklab, var(--border) 60%, transparent) 16px,
    color-mix(in oklab, var(--border) 60%, transparent) 17px
  );
}
.modal-hero-img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
  display: block;
}
.modal-image-img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.card-thumb-img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
  display: block;
}
.modal-hero-label {
  position: relative;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--fg-soft);
  background: var(--bg-elev);
  padding: 8px 16px;
  border-radius: 6px;
  border: 1px solid var(--border);
}

.modal-content {
  padding: 32px 40px 40px;
  display: flex;
  flex-direction: column;
  gap: 32px;
}
.modal-meta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
  padding: 16px 0;
  border-bottom: 1px solid var(--border);
}
.modal-meta-row .item {
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.modal-meta-row .k {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--fg-soft);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}
.modal-meta-row .v {
  font-size: 14px;
  color: var(--fg);
  font-weight: 500;
}

.modal-section h3 {
  font-size: 13px;
  font-family: var(--font-mono);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent);
  margin: 0 0 12px;
  font-weight: 500;
}
.modal-section h2 {
  font-size: 22px;
  font-weight: 600;
  letter-spacing: -0.02em;
  margin: 0 0 12px;
  line-height: 1.3;
}
.modal-section p {
  font-size: 15px;
  line-height: 1.65;
  color: var(--fg-muted);
  margin: 0 0 12px;
}
.modal-section p:last-child { margin-bottom: 0; }
.modal-section ul {
  margin: 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.modal-section ul li {
  font-size: 14px;
  color: var(--fg-muted);
  line-height: 1.55;
  padding-left: 24px;
  position: relative;
}
.modal-section ul li::before {
  content: "▸";
  position: absolute;
  left: 6px;
  color: var(--accent);
  font-size: 12px;
  top: 1px;
}

.modal-image {
  width: 100%;
  aspect-ratio: 16 / 9;
  background: var(--bg-sunk);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}
.modal-image .modal-hero-stripes { opacity: 0.7; }
.modal-image .ph {
  position: relative;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--fg-soft);
  background: var(--bg-elev);
  padding: 6px 14px;
  border-radius: 4px;
  border: 1px solid var(--border);
}

.modal-images-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}
.modal-images-grid .modal-image { aspect-ratio: 4 / 3; }

.modal-video {
  width: 100%;
  aspect-ratio: 16 / 9;
  background: #0a0a0a;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
  cursor: pointer;
}
.modal-video::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: repeating-linear-gradient(
    45deg,
    transparent 0,
    transparent 20px,
    rgba(255, 255, 255, 0.03) 20px,
    rgba(255, 255, 255, 0.03) 21px
  );
}
.modal-video .play-btn {
  width: 72px; height: 72px;
  border-radius: 50%;
  background: var(--accent);
  color: var(--accent-fg);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  position: relative;
  z-index: 1;
  box-shadow: 0 8px 32px -8px var(--accent);
  transition: transform 0.25s cubic-bezier(0.34, 1.56, 0.64, 1);
}
.modal-video:hover .play-btn { transform: scale(1.1); }
.modal-video .play-btn svg { margin-left: 4px; }
.modal-video .video-label {
  position: absolute;
  bottom: 16px;
  left: 16px;
  font-family: var(--font-mono);
  font-size: 11px;
  color: rgba(255, 255, 255, 0.7);
  z-index: 1;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}
.modal-video .video-duration {
  position: absolute;
  top: 16px;
  right: 16px;
  font-family: var(--font-mono);
  font-size: 11px;
  color: rgba(255, 255, 255, 0.7);
  background: rgba(0, 0, 0, 0.5);
  padding: 4px 8px;
  border-radius: 4px;
  z-index: 1;
}

.modal-stack {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.modal-stack .tag { font-size: 12px; padding: 4px 10px; }

.modal-quote {
  border-left: 3px solid var(--accent);
  padding: 8px 0 8px 20px;
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 17px;
  color: var(--fg);
  line-height: 1.55;
}
.modal-quote .author {
  display: block;
  margin-top: 12px;
  font-family: var(--font-sans);
  font-style: normal;
  font-size: 12px;
  color: var(--fg-soft);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.modal-foot {
  padding: 20px 28px;
  border-top: 1px solid var(--border);
  background: var(--bg-sunk);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  flex-shrink: 0;
}

@media (max-width: 720px) {
  .modal-overlay { padding: 0; }
  .modal { max-height: 100vh; border-radius: 0; }
  .modal-content { padding: 24px 20px 32px; }
  .modal-images-grid { grid-template-columns: 1fr; }
}
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(24px); }
  to { opacity: 1; transform: translateY(0); }
}
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}
@keyframes scaleIn {
  from { opacity: 0; transform: scale(0.96); }
  to { opacity: 1; transform: scale(1); }
}
@keyframes pulseDot {
  0%, 100% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.4); opacity: 0.6; }
}
@keyframes drawLine {
  from { stroke-dashoffset: 1000; }
  to { stroke-dashoffset: 0; }
}
@keyframes countUp {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}
@keyframes shimmer {
  from { background-position: -200% 0; }
  to { background-position: 200% 0; }
}
@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-6px); }
}

/* Reveal-on-scroll */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s cubic-bezier(0.22, 1, 0.36, 1), transform 0.7s cubic-bezier(0.22, 1, 0.36, 1);
  transition-delay: var(--reveal-delay, 0ms);
}
.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  *, *::before, *::after { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; }
}

/* ============ TOKENS ============ */
:root {
  --bg: #e2e8f0;
  --bg-elev: #f1f5f9;
  --bg-sunk: #cbd5e1;
  --fg: #0f172a;
  --fg-muted: #475569;
  --fg-soft: #64748b;
  --border: #cbd5e1;
  --border-strong: #94a3b8;
  --accent: #e66008;
  --accent-fg: #ffffff;
  --accent-soft: #fdebdc;
  --accent-border: #f5b890;
  --warn: #e66008;
  --shadow-sm: 0 1px 2px rgba(15, 23, 42, 0.04);
  --shadow-md: 0 4px 16px rgba(15, 23, 42, 0.06), 0 1px 2px rgba(15, 23, 42, 0.04);
  --shadow-lg: 0 24px 48px -16px rgba(15, 23, 42, 0.12), 0 4px 16px rgba(15, 23, 42, 0.06);
  --radius-sm: 6px;
  --radius: 12px;
  --radius-lg: 20px;
  --font-sans: 'IBM Plex Sans', system-ui, -apple-system, sans-serif;
  --font-mono: 'IBM Plex Mono', ui-monospace, 'SF Mono', Menlo, monospace;
  --font-serif: 'IBM Plex Serif', 'Iowan Old Style', Georgia, serif;
}

:root[data-theme="dark"] {
  --bg: #1f2937;
  --bg-elev: #283142;
  --bg-sunk: #161e2c;
  --fg: #f1f5f9;
  --fg-muted: #94a3b8;
  --fg-soft: #64748b;
  --border: #374151;
  --border-strong: #4b5563;
  --accent: #e66008;
  --accent-fg: #ffffff;
  --accent-soft: #3a1d09;
  --accent-border: #6e3110;
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.4);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 24px 48px -16px rgba(0, 0, 0, 0.6);
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: var(--font-sans);
  background: var(--bg);
  color: var(--fg);
  -webkit-font-smoothing: antialiased;
  font-feature-settings: 'ss01', 'cv01';
  line-height: 1.5;
}

a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; color: inherit; }
img { display: block; max-width: 100%; }

/* ============ LAYOUT PRIMITIVES ============ */
.container {
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 32px;
}
@media (max-width: 720px) {
  .container { padding: 0 20px; }
}

.eyebrow {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--fg-muted);
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.eyebrow::before {
  content: "";
  width: 6px; height: 6px;
  background: var(--accent);
  border-radius: 50%;
  display: inline-block;
}

/* ============ NAV ============ */
.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: color-mix(in oklab, var(--bg) 85%, transparent);
  backdrop-filter: saturate(180%) blur(12px);
  -webkit-backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid var(--border);
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 600;
  font-size: 15px;
  letter-spacing: -0.01em;
}
.brand-logo {
  width: 32px; height: 32px;
  border-radius: 8px;
  overflow: hidden;
  display: block;
  box-shadow: 0 0 0 1px var(--border);
  transition: transform 0.4s cubic-bezier(0.34, 1.56, 0.64, 1), box-shadow 0.3s;
}
.brand:hover .brand-logo {
  transform: rotate(-8deg) scale(1.1);
  box-shadow: 0 0 0 1px var(--accent), 0 4px 16px -4px var(--accent);
}
.brand-logo img { width: 100%; height: 100%; object-fit: cover; image-rendering: pixelated; }
.brand-name { display: flex; flex-direction: column; line-height: 1.1; }
.brand-name .role { font-family: var(--font-mono); font-size: 11px; color: var(--fg-muted); font-weight: 400; }

.nav-links { display: flex; align-items: center; gap: 4px; }
.nav-link {
  padding: 8px 14px;
  font-size: 14px;
  color: var(--fg-muted);
  border-radius: 8px;
  transition: color 0.2s, background 0.2s;
  position: relative;
}
.nav-link::after {
  content: "";
  position: absolute;
  bottom: 4px;
  left: 14px;
  right: 14px;
  height: 2px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.3s cubic-bezier(0.22, 1, 0.36, 1);
}
.nav-link:hover { color: var(--fg); }
.nav-link:hover::after { transform: scaleX(1); }
.nav-cta { display: flex; align-items: center; gap: 8px; }

@media (max-width: 880px) {
  .nav-links { display: none; }
}

/* ============ BUTTONS ============ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 18px;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 500;
  letter-spacing: -0.005em;
  transition: transform 0.18s cubic-bezier(0.34, 1.56, 0.64, 1), background 0.2s, border-color 0.2s, color 0.2s, box-shadow 0.2s;
  white-space: nowrap;
  border: 1px solid transparent;
  position: relative;
  overflow: hidden;
}
.btn:hover { transform: translateY(-1px); }
.btn:active { transform: translateY(1px); transition-duration: 0.06s; }
.btn-primary {
  background: var(--fg);
  color: var(--bg);
}
.btn-primary:hover {
  background: var(--accent);
  color: var(--accent-fg);
  box-shadow: 0 8px 24px -8px var(--accent);
}
.btn-primary svg { transition: transform 0.25s cubic-bezier(0.34, 1.56, 0.64, 1); }
.btn-primary:hover svg { transform: translateX(3px); }
.btn-secondary {
  background: transparent;
  color: var(--fg);
  border-color: var(--border-strong);
}
.btn-secondary:hover { background: var(--bg-sunk); border-color: var(--fg-muted); }
.btn-ghost {
  color: var(--fg-muted);
  padding: 8px 12px;
}
.btn-ghost:hover { color: var(--fg); }
.btn-accent {
  background: var(--accent);
  color: var(--accent-fg);
}
.btn-accent:hover { filter: brightness(0.95); }

.btn-lg { padding: 14px 24px; font-size: 15px; }

/* ============ HERO ============ */
.hero {
  position: relative;
  padding: 72px 0 96px;
  overflow: hidden;
  border-bottom: 1px solid var(--border);
}
.hero-grid-bg {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--border) 1px, transparent 1px),
    linear-gradient(90deg, var(--border) 1px, transparent 1px);
  background-size: 64px 64px;
  background-position: -1px -1px;
  mask-image: radial-gradient(ellipse 70% 80% at 50% 0%, black 30%, transparent 70%);
  -webkit-mask-image: radial-gradient(ellipse 70% 80% at 50% 0%, black 30%, transparent 70%);
  opacity: 0.5;
  pointer-events: none;
}

/* Hero variant: split (default) */
.hero-split {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 64px;
  align-items: center;
  position: relative;
}
.hero-left { display: flex; flex-direction: column; gap: 24px; }

/* Hero variant: centered */
.hero-centered {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 24px;
  max-width: 820px;
  margin: 0 auto;
  position: relative;
}
.hero-centered .hero-cta { justify-content: center; }
.hero-centered .hero-meta { justify-content: center; }

/* Hero variant: left */
.hero-left-aligned {
  display: flex;
  flex-direction: column;
  gap: 24px;
  max-width: 760px;
  position: relative;
}

@media (max-width: 880px) {
  .hero-split { grid-template-columns: 1fr; gap: 40px; }
}

.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 6px 12px 6px 6px;
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: 99px;
  font-size: 12px;
  color: var(--fg-muted);
  width: fit-content;
  box-shadow: var(--shadow-sm);
  animation: fadeUp 0.7s cubic-bezier(0.22, 1, 0.36, 1) both;
}
.hero-tag::after {
  content: "";
  width: 6px; height: 6px;
  border-radius: 50%;
  background: oklch(0.6 0.18 150);
  margin-left: 2px;
  animation: pulseDot 2s ease-in-out infinite;
}
.hero-tag .pill {
  background: var(--accent);
  color: var(--accent-fg);
  padding: 2px 10px;
  border-radius: 99px;
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.hero-centered .hero-tag { margin: 0 auto; }

.hero-title {
  font-size: clamp(40px, 5.5vw, 68px);
  font-weight: 600;
  line-height: 1.02;
  letter-spacing: -0.035em;
  margin: 0;
  animation: fadeUp 0.8s 0.1s cubic-bezier(0.22, 1, 0.36, 1) both;
}
.hero-title .accent {
  font-family: var(--font-serif);
  font-style: italic;
  font-weight: 400;
  color: var(--fg-muted);
}

.hero-sub {
  font-size: 18px;
  line-height: 1.55;
  color: var(--fg-muted);
  max-width: 560px;
  margin: 0;
  animation: fadeUp 0.8s 0.2s cubic-bezier(0.22, 1, 0.36, 1) both;
}
.hero-centered .hero-sub { margin: 0 auto; }

.hero-cta {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  align-items: center;
  animation: fadeUp 0.8s 0.3s cubic-bezier(0.22, 1, 0.36, 1) both;
}

.hero-meta {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  align-items: stretch;
  margin-top: 8px;
  padding-top: 28px;
  border-top: 1px dashed var(--border);
  animation: fadeUp 0.8s 0.4s cubic-bezier(0.22, 1, 0.36, 1) both;
}
.hero-meta-item {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 4px 20px;
  border-left: 1px solid var(--border);
  min-width: 0;
}
.hero-meta-item:first-child {
  border-left: none;
  padding-left: 0;
}
.hero-meta-item .v {
  font-family: var(--font-mono);
  font-size: 28px;
  font-weight: 500;
  color: var(--fg);
  line-height: 1;
  letter-spacing: -0.02em;
  background: linear-gradient(90deg, var(--fg) 0%, var(--fg) 50%, var(--accent) 50%, var(--accent) 100%);
  background-size: 200% 100%;
  background-position: 0 0;
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  transition: background-position 0.6s cubic-bezier(0.22, 1, 0.36, 1);
}
.hero-meta-item:hover .v {
  background-position: -100% 0;
}
.hero-meta-item .l {
  font-size: 11px;
  color: var(--fg-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  line-height: 1.4;
}
.hero-centered .hero-meta { justify-items: center; text-align: center; }
.hero-centered .hero-meta-item { align-items: center; text-align: center; }

@media (max-width: 880px) {
  .hero-meta {
    grid-template-columns: repeat(2, 1fr);
    gap: 24px 0;
  }
  .hero-meta-item:nth-child(odd) {
    border-left: none;
    padding-left: 0;
  }
  .hero-meta-item .v { font-size: 24px; }
}

/* Hero project preview card (right-side panel for split) */
.hero-preview {
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
  position: relative;
  animation: scaleIn 0.9s 0.3s cubic-bezier(0.22, 1, 0.36, 1) both, float 6s ease-in-out 1.2s infinite;
}
.hero-preview:hover { animation-play-state: paused; }
.hero-preview-head {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 18px;
  border-bottom: 1px solid var(--border);
  background: var(--bg-sunk);
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--fg-muted);
}
.hero-preview-dots { display: flex; gap: 6px; }
.hero-preview-dots span {
  width: 10px; height: 10px;
  border-radius: 50%;
  background: var(--border-strong);
}
.hero-preview-body {
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  min-height: 360px;
}
.hero-chart {
  height: 180px;
  background: var(--bg-sunk);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  position: relative;
  overflow: hidden;
  padding: 16px;
}
.hero-chart svg { width: 100%; height: 100%; }
.hero-metrics {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}
.hero-metric {
  background: var(--bg-sunk);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px;
}
.hero-metric .v { font-family: var(--font-mono); font-size: 20px; font-weight: 500; }
.hero-metric .l { font-size: 11px; color: var(--fg-muted); margin-top: 2px; }
.hero-metric .delta { font-family: var(--font-mono); font-size: 11px; color: oklch(0.55 0.15 150); margin-top: 4px; }

/* ============ SECTION ============ */
.section {
  padding: 96px 0;
  border-bottom: 1px solid var(--border);
}
.section-tight { padding: 48px 0; }
.section-head {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 48px;
  max-width: 720px;
}
.section-title {
  font-size: clamp(28px, 3.5vw, 40px);
  font-weight: 600;
  letter-spacing: -0.025em;
  line-height: 1.1;
  margin: 0;
}
.section-sub {
  font-size: 16px;
  color: var(--fg-muted);
  margin: 0;
}

/* ============ TRUST BAR (logos / preuve sociale) ============ */
.trust {
  padding: 40px 0;
  border-bottom: 1px solid var(--border);
  background: var(--bg-sunk);
  overflow: hidden;
}
.trust-label {
  text-align: center;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--fg-soft);
  margin-bottom: 24px;
}
.trust .trust-marquee {
  position: relative;
  width: 100%;
  overflow: hidden !important;
  mask-image: linear-gradient(90deg, transparent 0, black 8%, black 92%, transparent 100%);
  -webkit-mask-image: linear-gradient(90deg, transparent 0, black 8%, black 92%, transparent 100%);
}
.trust .trust-marquee .trust-track {
  display: flex !important;
  flex-direction: row !important;
  gap: 48px;
  width: max-content !important;
  animation: trust-scroll 40s linear infinite !important;
}
.trust .trust-marquee:hover .trust-track {
  animation-play-state: paused !important;
}
@keyframes trust-scroll {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}
.trust-logo {
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--fg-soft);
  border: 1px dashed var(--border-strong);
  border-radius: 8px;
  padding: 0 24px;
  letter-spacing: 0.04em;
  white-space: nowrap;
  flex-shrink: 0;
  min-width: 180px;
  transition: color 0.2s, border-color 0.2s;
}
.trust-logo:hover {
  color: var(--fg);
  border-color: var(--border-strong);
  border-style: solid;
}
.trust-logo-rich {
  flex-direction: column;
  height: 72px;
  gap: 6px;
  padding: 12px 28px;
  min-width: 120px;
  border-radius: 12px;
  border-style: solid;
  background: var(--bg-elev);
  color: var(--fg-muted);
}
.trust-logo-rich svg { flex-shrink: 0; }
.trust-logo-rich span {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--fg-muted);
  white-space: nowrap;
}
.trust-logo-rich:hover { color: var(--fg); border-color: var(--accent); }
.trust-logo-rich:hover span { color: var(--fg); }

@media (prefers-reduced-motion: reduce) {
  .trust-track { animation: none; }
}

/* ============ PROJECT CARDS ============ */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
@media (max-width: 1000px) { .cards-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 640px) { .cards-grid { grid-template-columns: 1fr; } }

.card {
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform 0.2s, border-color 0.2s, box-shadow 0.2s;
  position: relative;
  cursor: pointer;
}
.card:hover {
  transform: translateY(-2px);
  border-color: var(--border-strong);
  box-shadow: var(--shadow-md);
}
.card-thumb {
  height: 180px;
  background: var(--bg-sunk);
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
}
.card-thumb-stripes {
  position: absolute;
  inset: 0;
  background-image: repeating-linear-gradient(
    135deg,
    transparent 0,
    transparent 12px,
    color-mix(in oklab, var(--border) 60%, transparent) 12px,
    color-mix(in oklab, var(--border) 60%, transparent) 13px
  );
}
.card-thumb-label {
  position: relative;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--fg-soft);
  background: var(--bg-elev);
  padding: 4px 10px;
  border-radius: 4px;
  border: 1px solid var(--border);
}
.card-body {
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  flex: 1;
}
.card-meta {
  display: flex;
  gap: 8px;
  align-items: center;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--fg-soft);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.card-meta .dot { width: 3px; height: 3px; background: currentColor; border-radius: 50%; }
.card-title {
  font-size: 20px;
  font-weight: 600;
  letter-spacing: -0.015em;
  line-height: 1.25;
  margin: 0;
}
.card-desc {
  font-size: 14px;
  color: var(--fg-muted);
  line-height: 1.55;
  margin: 0;
  flex: 1;
}
.card-stack {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  margin-top: 4px;
}
.tag {
  font-family: var(--font-mono);
  font-size: 11px;
  padding: 3px 8px;
  border: 1px solid var(--border);
  border-radius: 4px;
  color: var(--fg-muted);
  background: var(--bg-sunk);
}
.tag-accent {
  border-color: var(--accent-border);
  background: var(--accent-soft);
  color: var(--accent);
}
.card-foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 24px;
  border-top: 1px solid var(--border);
  background: var(--bg-sunk);
  font-size: 13px;
  color: var(--fg-muted);
}
.card-foot .arrow {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--fg);
  transition: gap 0.2s;
}
.card:hover .card-foot .arrow { gap: 10px; }

.card-featured {
  grid-column: span 2;
  flex-direction: row;
}
.card-featured .card-thumb {
  height: auto;
  width: 50%;
  border-bottom: none;
  border-right: 1px solid var(--border);
}
.card-featured .card-body { width: 50%; }
@media (max-width: 1000px) {
  .card-featured { grid-column: span 1; flex-direction: column; }
  .card-featured .card-thumb { width: 100%; height: 180px; border-right: none; border-bottom: 1px solid var(--border); }
  .card-featured .card-body { width: 100%; }
}

/* Filter pills above grid */
.filters {
  display: flex;
  gap: 8px;
  margin-bottom: 24px;
  flex-wrap: wrap;
}
.filter {
  font-family: var(--font-mono);
  font-size: 12px;
  padding: 6px 12px;
  border: 1px solid var(--border);
  border-radius: 99px;
  color: var(--fg-muted);
  background: var(--bg-elev);
  transition: all 0.15s;
}
.filter:hover { color: var(--fg); border-color: var(--border-strong); }
.filter.active {
  background: var(--fg);
  color: var(--bg);
  border-color: var(--fg);
}

/* ============ ABOUT (identité, en second plan) ============ */
.about {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: start;
}
@media (max-width: 880px) { .about { grid-template-columns: 1fr; } }
.about-text { display: flex; flex-direction: column; gap: 20px; }
.about-text h3 {
  font-size: 28px;
  font-weight: 600;
  letter-spacing: -0.02em;
  margin: 0;
  line-height: 1.2;
}
.about-text p {
  font-size: 15px;
  color: var(--fg-muted);
  line-height: 1.65;
  margin: 0;
}
.about-info {
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 24px;
}
.about-info-row {
  display: flex;
  justify-content: space-between;
  padding: 14px 0;
  border-bottom: 1px solid var(--border);
  font-size: 14px;
  gap: 16px;
}
.about-info-row:last-child { border-bottom: none; }
.about-info-row .k {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--fg-soft);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  flex-shrink: 0;
}
.about-info-row .v { color: var(--fg); text-align: right; }
.about-info-row .v.mono { font-family: var(--font-mono); font-size: 13px; }

/* ============ CTA ============ */
.cta-band {
  padding: 80px 0;
  text-align: center;
  border-bottom: 1px solid var(--border);
  background: var(--bg-sunk);
}
.cta-band h2 {
  font-size: clamp(28px, 4vw, 44px);
  font-weight: 600;
  letter-spacing: -0.025em;
  line-height: 1.1;
  margin: 0 0 16px;
}
.cta-band p {
  color: var(--fg-muted);
  margin: 0 0 32px;
  font-size: 16px;
}
.cta-band .hero-cta { justify-content: center; }

/* ============ FOOTER ============ */
.footer {
  padding: 48px 0 32px;
  background: var(--bg);
}
.footer-grid {
  display: flex;
  justify-content: space-between;
  gap: 32px;
  flex-wrap: wrap;
  margin-bottom: 32px;
}
.footer-brand { max-width: 320px; }
.footer-brand p {
  font-size: 13px;
  color: var(--fg-muted);
  margin: 12px 0 0;
}
.footer-links {
  display: flex;
  flex-direction: column;
  gap: 8px;
  font-size: 13px;
}
.footer-links h4 {
  font-family: var(--font-mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--fg-soft);
  margin: 0 0 8px;
}
.footer-links a { color: var(--fg-muted); }
.footer-links a:hover { color: var(--fg); }
.footer-bottom {
  display: flex;
  justify-content: space-between;
  padding-top: 24px;
  border-top: 1px solid var(--border);
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--fg-soft);
  flex-wrap: wrap;
  gap: 12px;
}

/* ============ THEME TOGGLE ============ */
.theme-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px; height: 36px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--bg-elev);
  color: var(--fg-muted);
  transition: all 0.15s;
}
.theme-toggle:hover { color: var(--fg); border-color: var(--border-strong); }


/* ============ HERO CHATBOT ============ */
.hero-chat {
  animation: scaleIn 0.9s 0.3s cubic-bezier(0.22, 1, 0.36, 1) both !important;
}
.hero-chat .hero-preview-head {
  position: relative;
}
.hero-chat-title {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--fg-muted);
}
.hero-chat-dot {
  width: 7px; height: 7px; border-radius: 50%;
  background: oklch(0.65 0.18 150);
  box-shadow: 0 0 0 0 oklch(0.65 0.18 150 / 0.5);
  animation: pulseDot 2.2s ease-in-out infinite;
}
@keyframes pulseDot {
  0%, 100% { box-shadow: 0 0 0 0 oklch(0.65 0.18 150 / 0.5); }
  50% { box-shadow: 0 0 0 6px oklch(0.65 0.18 150 / 0); }
}
.hero-chat-reset {
  position: absolute;
  right: 14px;
  top: 50%;
  transform: translateY(-50%);
  width: 26px; height: 26px;
  border-radius: 50%;
  border: 1px solid var(--border);
  background: var(--bg-elev);
  color: var(--fg-muted);
  font-size: 14px;
  cursor: pointer;
  display: inline-flex; align-items: center; justify-content: center;
  transition: all 0.15s;
}
.hero-chat-reset:hover { color: var(--fg); border-color: var(--border-strong); transform: translateY(-50%) rotate(-90deg); }

.hero-chat-body {
  padding: 20px 18px;
  height: 340px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 10px;
  scroll-behavior: smooth;
  background:
    radial-gradient(circle at 20% 0%, oklch(from var(--accent) l c h / 0.04) 0%, transparent 50%),
    var(--bg-elev);
}
.hero-chat-body::-webkit-scrollbar { width: 6px; }
.hero-chat-body::-webkit-scrollbar-thumb { background: var(--border-strong); border-radius: 3px; }

.chat-row {
  display: flex;
  animation: chatIn 0.32s cubic-bezier(0.22, 1, 0.36, 1) both;
}
@keyframes chatIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}
.chat-row-user { justify-content: flex-end; }
.chat-row-bot { justify-content: flex-start; }

.chat-bubble {
  max-width: 84%;
  padding: 10px 14px;
  border-radius: 14px;
  font-size: 14px;
  line-height: 1.5;
  word-wrap: break-word;
}
.chat-bubble-user {
  background: var(--accent);
  color: var(--accent-fg);
  border-bottom-right-radius: 4px;
}
.chat-bubble-bot {
  background: var(--bg-sunk);
  color: var(--fg);
  border: 1px solid var(--border);
  border-bottom-left-radius: 4px;
}
.chat-bubble-rich { padding: 12px; max-width: 92%; }

/* Typing indicator */
.chat-typing {
  display: inline-flex;
  gap: 4px;
  padding: 12px 14px;
}
.chat-typing span {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--fg-muted);
  animation: chatDot 1.2s ease-in-out infinite;
}
.chat-typing span:nth-child(2) { animation-delay: 0.15s; }
.chat-typing span:nth-child(3) { animation-delay: 0.3s; }
@keyframes chatDot {
  0%, 60%, 100% { opacity: 0.3; transform: translateY(0); }
  30% { opacity: 1; transform: translateY(-3px); }
}

/* Tag cloud (stack) */
.chat-tagcloud { display: flex; flex-wrap: wrap; gap: 6px; }
.chat-tag {
  font-family: var(--font-mono);
  font-size: 11px;
  padding: 4px 8px;
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: 999px;
  color: var(--fg);
}

/* Project list inside bubble */
.chat-projects { display: flex; flex-direction: column; gap: 8px; }
.chat-project {
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 10px 12px;
  position: relative;
}
.chat-project-tag {
  font-family: var(--font-mono);
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--accent);
}
.chat-project-title {
  font-weight: 500;
  font-size: 13px;
  margin-top: 2px;
}
.chat-project-metric {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--fg-muted);
  margin-top: 4px;
}

/* Metric grid inside bubble */
.chat-metrics {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 6px;
}
.chat-metric {
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 10px 8px;
  text-align: center;
}
.chat-metric .v { font-family: var(--font-mono); font-size: 18px; font-weight: 500; }
.chat-metric .l { font-size: 10px; color: var(--fg-muted); margin-top: 2px; }
.chat-metric .d { font-family: var(--font-mono); font-size: 10px; color: oklch(0.55 0.15 150); margin-top: 3px; }

/* Suggested questions */
.hero-chat-suggest {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding: 14px 16px 16px;
  border-top: 1px solid var(--border);
  background: var(--bg-elev);
}
.chat-chip {
  font-family: inherit;
  font-size: 12.5px;
  padding: 8px 12px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 999px;
  color: var(--fg);
  cursor: pointer;
  transition: all 0.15s;
  text-align: left;
}
.chat-chip:hover:not(:disabled) {
  border-color: var(--accent);
  color: var(--accent);
  transform: translateY(-1px);
}
.chat-chip:disabled { opacity: 0.5; cursor: not-allowed; }
.chat-chip-reset {
  background: var(--accent-soft);
  color: var(--accent);
  border-color: oklch(from var(--accent) l c h / 0.3);
}


/* ============ ABOUT TAG SPHERE ============ */
.about-sphere {
  position: relative;
  background: linear-gradient(180deg, var(--bg-elev) 0%, var(--bg-sunk) 100%);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px 24px 28px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
  overflow: hidden;
  min-height: 420px;
}
.sphere-stage {
  position: relative;
  width: 360px;
  height: 360px;
  max-width: 100%;
  perspective: 1200px;
  transform-style: preserve-3d;
  cursor: grab;
  user-select: none;
  touch-action: none;
}
.sphere-stage:active { cursor: grabbing; }

.sphere-glow {
  position: absolute;
  inset: 50% 50% auto auto;
  width: 280px; height: 280px;
  transform: translate(50%, -50%);
  background: radial-gradient(circle, oklch(from var(--accent) l c h / 0.18) 0%, transparent 60%);
  pointer-events: none;
  filter: blur(20px);
  z-index: 0;
}

.sphere-tag {
  position: absolute;
  top: 50%; left: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 5px 11px;
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.01em;
  white-space: nowrap;
  border: 1px solid var(--border);
  background: var(--bg-elev);
  color: var(--fg);
  pointer-events: none;
  will-change: transform, opacity;
  transition: background 0.2s, border-color 0.2s, color 0.2s;
  width: max-content;
  transform-origin: center;
  translate: -50% -50%;
}
.sphere-tag-core {
  background: var(--accent);
  color: var(--accent-fg);
  border-color: var(--accent);
  box-shadow: 0 2px 8px oklch(from var(--accent) l c h / 0.25);
}
.sphere-tag-eng {
  background: var(--bg-elev);
  border-color: var(--accent);
  color: var(--accent);
}
.sphere-tag-mlops {
  background: var(--bg);
  color: var(--fg);
}
.sphere-tag-ia {
  background: var(--fg);
  color: var(--bg);
  border-color: var(--fg);
}
.sphere-tag-domain {
  background: transparent;
  color: var(--fg-muted);
  border-style: dashed;
}
.sphere-tag-meta {
  background: var(--accent-soft);
  color: var(--accent);
  border-color: oklch(from var(--accent) l c h / 0.3);
  font-family: var(--font-sans);
}

.sphere-hint {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--fg-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}
.sphere-hint-dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 0 oklch(from var(--accent) l c h / 0.5);
  animation: pulseDot 2.2s ease-in-out infinite;
}

@media (max-width: 880px) {
  .sphere-stage { width: 300px; height: 300px; }
}
@media (prefers-reduced-motion: reduce) {
  .sphere-tag { transition: none; }
}