/* Dyblabs — minimal portfolio */
:root {
  --bg: oklch(98.5% 0.003 60);
  --bg-elev: oklch(100% 0 0);
  --surface: oklch(96.5% 0.004 60);
  --border: oklch(92% 0.005 60);
  --border-strong: oklch(85% 0.008 60);
  --text: oklch(20% 0.005 60);
  --text-muted: oklch(48% 0.008 60);
  --text-subtle: oklch(62% 0.008 60);
  --accent: oklch(68% 0.15 55);
  --accent-hover: oklch(62% 0.16 55);
  --accent-soft: oklch(95% 0.03 60);
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, 'SF Mono', Menlo, monospace;
  --max: 1120px;
  --ease: cubic-bezier(0.4, 0, 0.2, 1);
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-sans);
  background: var(--bg);
  color: var(--text);
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  font-feature-settings: 'ss01', 'cv11';
}

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

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

/* ---------- Navigation ---------- */
.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 transparent;
  transition: border-color 200ms var(--ease);
}
.nav.scrolled { border-bottom-color: var(--border); }
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 600;
  letter-spacing: -0.01em;
  font-size: 15px;
}
.logo-img {
  height: 24px;
  width: auto;
  display: block;
}
.logo-mark {
  display: none;
}
.nav-links {
  display: flex;
  gap: 28px;
  align-items: center;
}
.nav-links a {
  font-size: 14px;
  color: var(--text-muted);
  transition: color 160ms var(--ease);
}
.nav-links a:hover { color: var(--text); }
.nav-cta {
  font-size: 14px;
  padding: 7px 14px;
  background: var(--text);
  color: var(--bg);
  border-radius: 7px;
  transition: background 160ms var(--ease), transform 160ms var(--ease);
}
.nav-cta:hover { background: oklch(30% 0.005 60); }

/* ---------- Hero ---------- */
.hero {
  padding: 120px 0 96px;
}
.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-muted);
  padding: 6px 12px;
  border: 1px solid var(--border);
  border-radius: 100px;
  background: var(--bg-elev);
  margin-bottom: 28px;
}
.hero-eyebrow .dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 3px color-mix(in oklab, var(--accent) 20%, transparent);
}
.hero h1 {
  font-size: clamp(40px, 6vw, 72px);
  font-weight: 600;
  letter-spacing: -0.035em;
  line-height: 1.02;
  margin-bottom: 24px;
  max-width: 820px;
}
.hero h1 .accent { color: var(--accent); }
.hero-sub {
  font-size: clamp(17px, 1.6vw, 20px);
  color: var(--text-muted);
  max-width: 560px;
  line-height: 1.55;
  margin-bottom: 36px;
  text-wrap: pretty;
}
.hero-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 11px 18px;
  font-size: 14px;
  font-weight: 500;
  border-radius: 8px;
  transition: all 180ms var(--ease);
  border: 1px solid transparent;
  white-space: nowrap;
}
.btn-primary {
  background: var(--text);
  color: var(--bg);
}
.btn-primary:hover {
  background: oklch(30% 0.005 60);
  transform: translateY(-1px);
}
.btn-secondary {
  background: var(--bg-elev);
  color: var(--text);
  border-color: var(--border-strong);
}
.btn-secondary:hover {
  background: var(--surface);
  border-color: var(--text-muted);
}
.btn-ghost {
  color: var(--text-muted);
  padding: 11px 4px;
}
.btn-ghost:hover { color: var(--text); }
.btn .arrow {
  transition: transform 180ms var(--ease);
}
.btn:hover .arrow { transform: translateX(3px); }

/* ---------- Section ---------- */
.section {
  padding: 88px 0;
  border-top: 1px solid var(--border);
}
.section-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 48px;
  flex-wrap: wrap;
}
.section-label {
  font-family: var(--font-mono);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-subtle);
  margin-bottom: 12px;
}
.section h2 {
  font-size: clamp(28px, 3.5vw, 40px);
  font-weight: 600;
  letter-spacing: -0.025em;
  line-height: 1.1;
  max-width: 640px;
}
.section-sub {
  color: var(--text-muted);
  max-width: 420px;
  text-wrap: pretty;
}

/* ---------- Project grid ---------- */
.projects {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}
@media (max-width: 720px) {
  .projects { grid-template-columns: 1fr; }
}

.card {
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 10px 10px 28px;
  transition: border-color 220ms var(--ease), transform 220ms var(--ease);
  display: flex;
  flex-direction: column;
  gap: 20px;
}
.card:hover {
  border-color: var(--border-strong);
  transform: translateY(-2px);
}
.card-media {
  aspect-ratio: 16 / 10;
  border-radius: 8px;
  overflow: hidden;
  position: relative;
  background: var(--surface);
}
.card-body {
  padding: 0 18px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.card-meta {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-subtle);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.card-meta .tag {
  padding: 3px 8px;
  border-radius: 4px;
  background: var(--surface);
  border: 1px solid var(--border);
}
.card-meta .status-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: oklch(75% 0.13 145);
}
.card h3 {
  font-size: 20px;
  font-weight: 600;
  letter-spacing: -0.015em;
}
.card p {
  color: var(--text-muted);
  font-size: 15px;
  line-height: 1.55;
  text-wrap: pretty;
}
.card-foot {
  padding: 0 18px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: auto;
}
.card-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  font-weight: 500;
  color: var(--text);
  transition: color 160ms var(--ease);
}
.card-link:hover { color: var(--accent); }
.card-link .arrow {
  transition: transform 200ms var(--ease);
}
.card-link:hover .arrow { transform: translateX(4px); }
.card-year {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-subtle);
}

/* ---------- Placeholder media ---------- */
.placeholder {
  width: 100%;
  height: 100%;
  display: grid;
  place-items: center;
  position: relative;
  overflow: hidden;
}
.placeholder::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: repeating-linear-gradient(
    135deg,
    transparent 0 10px,
    color-mix(in oklab, var(--text) 4%, transparent) 10px 11px
  );
}
.placeholder-label {
  position: relative;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-subtle);
  background: var(--bg-elev);
  padding: 4px 10px;
  border-radius: 100px;
  border: 1px solid var(--border);
  text-transform: lowercase;
  letter-spacing: 0.02em;
}
.placeholder.tint-amber { background: oklch(97% 0.02 60); }
.placeholder.tint-sage  { background: oklch(97% 0.015 145); }
.placeholder.tint-slate { background: oklch(97% 0.005 250); }
.placeholder.tint-plum  { background: oklch(97% 0.015 330); }

/* ---------- About ---------- */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 64px;
  align-items: start;
}
@media (max-width: 760px) {
  .about-grid { grid-template-columns: 1fr; gap: 32px; }
}
.about-copy p {
  font-size: 17px;
  line-height: 1.65;
  color: var(--text-muted);
  margin-bottom: 16px;
  text-wrap: pretty;
}
.about-copy p strong { color: var(--text); font-weight: 500; }
.stat-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  margin-top: 40px;
  border-top: 1px solid var(--border);
}
.stat {
  padding: 20px 0;
  border-right: 1px solid var(--border);
  padding-right: 16px;
}
.stat:last-child { border-right: none; padding-right: 0; padding-left: 16px; }
.stat:nth-child(2) { padding-left: 16px; }
.stat-num {
  font-size: 28px;
  font-weight: 600;
  letter-spacing: -0.02em;
  margin-bottom: 4px;
}
.stat-label {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-subtle);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

/* ---------- Contact ---------- */
.contact {
  padding: 120px 0;
  text-align: center;
  border-top: 1px solid var(--border);
}
.contact h2 {
  font-size: clamp(32px, 4.5vw, 52px);
  font-weight: 600;
  letter-spacing: -0.03em;
  line-height: 1.05;
  margin-bottom: 20px;
}
.contact p {
  color: var(--text-muted);
  font-size: 18px;
  margin-bottom: 36px;
  max-width: 480px;
  margin-left: auto;
  margin-right: auto;
}
.email-link {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 15px;
  padding: 14px 22px;
  background: var(--bg-elev);
  border: 1px solid var(--border-strong);
  border-radius: 10px;
  transition: all 200ms var(--ease);
}
.email-link:hover {
  border-color: var(--text);
  background: var(--text);
  color: var(--bg);
}
.email-link:hover .copy-hint { color: color-mix(in oklab, var(--bg) 70%, transparent); }
.copy-hint {
  font-size: 11px;
  color: var(--text-subtle);
  padding-left: 10px;
  border-left: 1px solid var(--border);
  transition: color 200ms var(--ease);
}

/* ---------- Footer ---------- */
.footer {
  padding: 48px 0 64px;
  border-top: 1px solid var(--border);
}
.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
}
.footer-links {
  display: flex;
  gap: 24px;
  font-size: 13px;
  color: var(--text-subtle);
}
.footer-links a:hover { color: var(--text); }
.footer-meta {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-subtle);
}

/* Fade-up utility */
.fade {
  opacity: 0;
  transform: translateY(12px);
  transition: opacity 600ms var(--ease), transform 600ms var(--ease);
}
.fade.in {
  opacity: 1;
  transform: translateY(0);
}

/* Mobile */
@media (max-width: 640px) {
  .nav-links a:not(.nav-cta) { display: none; }
  .hero { padding: 72px 0 56px; }
  .section { padding: 64px 0; }
  .stat-grid { grid-template-columns: repeat(3, 1fr); }
  .stat { padding-right: 8px; }
  .stat:nth-child(2), .stat:last-child { padding-left: 8px; }
  .stat-num { font-size: 22px; }
}

/* ---------- Language Switcher ---------- */
.lang-switcher {
  display: flex;
  align-items: center;
  padding-left: 12px;
  border-left: 1px solid var(--border);
  height: 20px;
}
.lang-link {
  font-family: var(--font-mono) !important;
  font-size: 11px !important;
  font-weight: 600;
  color: var(--text-subtle) !important;
}
.lang-link:hover {
  color: var(--accent) !important;
}