:root {
  --color-primary: #0a0f16;
  --color-accent: #0891b2;
  --color-accent-dark: #0e7490;
  --color-surface: #faf8f5;
  --color-surface-2: #f0ece6;
  --color-card: #ffffff;
  --color-text: #111827;
  --color-muted: #5b6472;
  --color-border: rgba(10, 15, 22, 0.08);
  --font-display: "Fraunces", Georgia, serif;
  --font-body: "Plus Jakarta Sans", system-ui, sans-serif;
  --space-xs: 0.5rem;
  --space-sm: 0.875rem;
  --space-md: 1.25rem;
  --space-lg: 2rem;
  --space-xl: 3rem;
  --space-2xl: 4.5rem;
  --radius-sm: 0.5rem;
  --radius: 0.875rem;
  --radius-lg: 1.25rem;
  --shadow-sm: 0 4px 20px rgba(10, 15, 22, 0.06);
  --shadow: 0 20px 60px rgba(10, 15, 22, 0.1);
  --text-hero: clamp(2.4rem, 2rem + 2.2vw, 3.75rem);
  --text-h2: clamp(1.65rem, 1.35rem + 1vw, 2.25rem);
  --text-h3: clamp(1.15rem, 1rem + 0.5vw, 1.35rem);
  --text-base: clamp(1rem, 0.96rem + 0.15vw, 1.0625rem);
  --container: min(1180px, calc(100% - 2.5rem));
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: 1.65;
  color: var(--color-text);
  background: var(--color-surface);
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--color-accent-dark); text-underline-offset: 0.18em; }
a:hover { color: var(--color-accent); }

.container { width: var(--container); margin-inline: auto; }

/* ── Header ── */
.site-header {
  position: sticky; top: 0; z-index: 200;
  background: rgba(250, 248, 245, 0.88);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--color-border);
}
.header-inner {
  display: flex; align-items: center; justify-content: space-between;
  min-height: 4.25rem; gap: 1rem;
}
.brand {
  display: inline-flex; align-items: center; gap: 0.7rem;
  color: var(--color-primary); text-decoration: none; font-weight: 700;
}
.brand-mark {
  width: 2.35rem; height: 2.35rem; border-radius: var(--radius-sm);
  background: var(--color-primary); color: #fff;
  display: grid; place-items: center;
  font-family: var(--font-display); font-size: 1.15rem; font-weight: 400;
}
.brand-text { letter-spacing: -0.03em; font-size: 1.05rem; }
.site-nav { display: flex; align-items: center; gap: 1.25rem; }
.nav-list {
  list-style: none; display: flex; gap: 0.25rem; margin: 0; padding: 0; flex-wrap: wrap;
}
.nav-list a {
  color: var(--color-text); text-decoration: none; font-weight: 500; font-size: 0.92rem;
  padding: 0.45rem 0.75rem; border-radius: 999px; transition: background 0.15s, color 0.15s;
}
.nav-list a:hover { background: var(--color-surface-2); color: var(--color-primary); }
.lang-switch {
  font-size: 0.8rem; font-weight: 700; padding: 0.4rem 0.85rem;
  border: 1px solid var(--color-border); border-radius: 999px;
  text-decoration: none; color: var(--color-primary); background: var(--color-card);
}
.nav-toggle { display: none; background: none; border: 0; cursor: pointer; padding: 0.5rem; }
.nav-toggle-bar { display: block; width: 1.35rem; height: 2px; background: var(--color-primary); margin: 5px 0; }

/* ── Buttons ── */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 0.4rem;
  padding: 0.75rem 1.35rem; border-radius: 999px; font-weight: 600;
  border: 1px solid transparent; cursor: pointer; text-decoration: none;
  font-size: 0.92rem; transition: transform 0.15s, box-shadow 0.15s, background 0.15s;
}
.btn:hover { transform: translateY(-1px); }
.btn-primary { background: var(--color-accent); color: #fff; box-shadow: 0 8px 24px rgba(8, 145, 178, 0.28); }
.btn-primary:hover { background: var(--color-accent-dark); color: #fff; }
.btn-ghost { background: var(--color-card); border-color: var(--color-border); color: var(--color-primary); }
.btn-ghost:hover { border-color: var(--color-accent); color: var(--color-accent-dark); }
.btn-dark { background: var(--color-primary); color: #fff; }
.btn-dark:hover { background: #151d2b; color: #fff; }

.eyebrow {
  text-transform: uppercase; letter-spacing: 0.1em; font-size: 0.72rem;
  font-weight: 700; color: var(--color-accent); margin: 0 0 var(--space-sm);
}
.lead { font-size: 1.125rem; color: var(--color-muted); line-height: 1.7; margin: 0 0 var(--space-lg); }

/* ── Hero ── */
.hero {
  position: relative; padding: var(--space-2xl) 0 var(--space-xl);
  overflow: hidden;
}
.hero::before {
  content: ""; position: absolute; inset: 0;
  background:
    radial-gradient(ellipse 70% 55% at 85% 15%, rgba(8, 145, 178, 0.12), transparent 55%),
    radial-gradient(ellipse 50% 40% at 10% 80%, rgba(10, 15, 22, 0.05), transparent 50%);
  pointer-events: none;
}
.hero-grid {
  position: relative; display: grid; grid-template-columns: 1.05fr 0.95fr;
  gap: var(--space-xl); align-items: center;
}
.hero h1 {
  font-family: var(--font-display); font-size: var(--text-hero); line-height: 1.08;
  letter-spacing: -0.03em; margin: 0 0 var(--space-md); color: var(--color-primary);
  font-weight: 500;
}
.hero-actions { display: flex; flex-wrap: wrap; gap: 0.75rem; margin-bottom: var(--space-lg); }

.hero-stats {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem;
  padding-top: var(--space-md); border-top: 1px solid var(--color-border);
}
.hero-stat strong {
  display: block; font-family: var(--font-display); font-size: 1.75rem;
  color: var(--color-primary); line-height: 1.1;
}
.hero-stat span { font-size: 0.82rem; color: var(--color-muted); }

.hero-visual-wrap { position: relative; }
.hero-showcase {
  display: grid; gap: 0.85rem;
}
.showcase-card {
  background: var(--color-card); border: 1px solid var(--color-border);
  border-radius: var(--radius-lg); padding: 1.15rem 1.25rem;
  box-shadow: var(--shadow-sm); display: grid; grid-template-columns: auto 1fr auto;
  gap: 1rem; align-items: center; transition: transform 0.2s, box-shadow 0.2s;
}
.showcase-card:hover { transform: translateX(4px); box-shadow: var(--shadow); }
.showcase-card:nth-child(2) { margin-left: 1.75rem; }
.showcase-icon {
  width: 2.75rem; height: 2.75rem; border-radius: var(--radius-sm);
  display: grid; place-items: center; font-weight: 800; font-size: 1rem; color: #fff;
}
.showcase-card h3 {
  margin: 0; font-family: var(--font-display); font-size: 1.1rem; font-weight: 500;
}
.showcase-card p { margin: 0.2rem 0 0; font-size: 0.85rem; color: var(--color-muted); }
.showcase-type {
  font-size: 0.68rem; text-transform: uppercase; letter-spacing: 0.07em;
  font-weight: 700; color: var(--color-muted);
}

/* ── Services strip ── */
.services-strip {
  background: var(--color-primary); color: #e2e8f0;
  padding: var(--space-lg) 0;
}
.services-grid {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.5rem;
}
.service-item h3 {
  margin: 0 0 0.35rem; font-size: 0.95rem; font-weight: 700; color: #fff;
}
.service-item p { margin: 0; font-size: 0.85rem; color: rgba(226, 232, 240, 0.75); line-height: 1.5; }

/* ── Sections ── */
.section { padding: var(--space-2xl) 0; }
.section-alt { background: var(--color-surface-2); }
.section-head { margin-bottom: var(--space-xl); max-width: 42rem; }
.section-head h2 {
  font-family: var(--font-display); font-size: var(--text-h2); margin: 0 0 0.5rem;
  color: var(--color-primary); font-weight: 500; letter-spacing: -0.02em;
}
.section-head p { margin: 0; color: var(--color-muted); }
.section-cta { margin-top: var(--space-xl); text-align: center; }

/* ── Project grid & cards ── */
.project-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); gap: 1.35rem;
}
.project-card {
  background: var(--color-card); border: 1px solid var(--color-border);
  border-radius: var(--radius-lg); overflow: hidden;
  transition: transform 0.22s, box-shadow 0.22s;
}
.project-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.project-card-link { display: block; color: inherit; text-decoration: none; }
.project-card-visual {
  height: 140px; position: relative; display: flex; align-items: flex-end;
  padding: 1rem 1.25rem; overflow: hidden;
}
.project-card-visual::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(to top, rgba(10,15,22,0.55), transparent 60%);
}
.project-card-logo {
  position: relative; z-index: 1; width: 2.5rem; height: 2.5rem;
  border-radius: var(--radius-sm); background: rgba(255,255,255,0.95);
  display: grid; place-items: center; font-weight: 800; font-size: 0.95rem;
  color: var(--color-primary); box-shadow: var(--shadow-sm);
}
.project-card-body { padding: 1.25rem 1.35rem 1.35rem; }
.project-type {
  font-size: 0.68rem; letter-spacing: 0.08em; text-transform: uppercase;
  font-weight: 700; color: var(--color-accent);
}
.project-card h3 {
  font-family: var(--font-display); margin: 0.35rem 0 0.5rem;
  font-size: 1.35rem; font-weight: 500; letter-spacing: -0.02em;
}
.project-card p { margin: 0; color: var(--color-muted); font-size: 0.92rem; line-height: 1.55; }
.project-card-footer {
  margin-top: 1rem; padding-top: 0.85rem; border-top: 1px solid var(--color-border);
  font-size: 0.85rem; font-weight: 600; color: var(--color-accent-dark);
}

/* ── Banner ── */
.banner-strip { padding: var(--space-lg) 0; background: var(--color-surface-2); border-block: 1px solid var(--color-border); }
.banner-slider { display: grid; gap: 1rem; }
.banner-slide {
  display: grid; grid-template-columns: 1fr auto; gap: 1.5rem; align-items: center;
  background: var(--color-card); border: 1px solid var(--color-border);
  border-radius: var(--radius-lg); padding: 1.35rem 1.5rem;
}
.banner-slide h2 { font-family: var(--font-display); margin: 0 0 0.35rem; font-size: 1.25rem; font-weight: 500; }
.banner-slide p { margin: 0; color: var(--color-muted); font-size: 0.92rem; max-width: 55ch; }
.text-link { font-weight: 700; text-decoration: none; color: var(--color-accent-dark); white-space: nowrap; }
.text-link:hover { color: var(--color-accent); }

/* ── Pillars ── */
.pillars-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.25rem; }
.pillar {
  background: var(--color-card); border: 1px solid var(--color-border);
  border-radius: var(--radius-lg); padding: 1.5rem;
}
.pillar-num {
  font-family: var(--font-display); font-size: 2rem; color: var(--color-accent);
  line-height: 1; margin-bottom: 0.75rem;
}
.pillar h3 { margin: 0 0 0.5rem; font-size: 1rem; font-weight: 700; }
.pillar p { margin: 0; font-size: 0.9rem; color: var(--color-muted); }

/* ── CTA band ── */
.cta-band {
  background: var(--color-primary); color: #f1f5f9;
  border-radius: var(--radius-lg); padding: var(--space-xl);
  display: grid; grid-template-columns: 1fr auto; gap: 2rem; align-items: center;
}
.cta-band h2 { font-family: var(--font-display); margin: 0 0 0.5rem; font-size: var(--text-h2); font-weight: 500; }
.cta-band p { margin: 0; color: rgba(241,245,249,0.8); max-width: 48ch; }

/* ── Page hero ── */
.page-hero { padding: var(--space-xl) 0 var(--space-md); }
.page-hero.compact h1 {
  font-family: var(--font-display); font-size: var(--text-h2); margin: 0;
  color: var(--color-primary); font-weight: 500;
}
.filter-bar { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-top: 1.25rem; }
.filter-pill {
  padding: 0.45rem 1rem; border-radius: 999px; border: 1px solid var(--color-border);
  text-decoration: none; color: var(--color-text); font-size: 0.88rem; font-weight: 500;
  background: var(--color-card); transition: all 0.15s;
}
.filter-pill.is-active { background: var(--color-primary); color: #fff; border-color: var(--color-primary); }
.filter-pill:not(.is-active):hover { border-color: var(--color-accent); color: var(--color-accent-dark); }

/* ── Project detail ── */
.project-hero {
  padding: var(--space-xl) 0 var(--space-lg);
  background: var(--color-primary); color: #f8fafc;
  position: relative; overflow: hidden;
}
.project-hero::before {
  content: ""; position: absolute; inset: 0;
  background: radial-gradient(circle at 90% 20%, rgba(8,145,178,0.25), transparent 45%);
}
.project-hero-grid {
  position: relative; display: grid; grid-template-columns: 1.15fr 0.85fr;
  gap: 2.5rem; align-items: start;
}
.project-hero .project-type { color: rgba(248,250,252,0.65); }
.project-hero h1 {
  font-family: var(--font-display); font-size: var(--text-hero); margin: 0.4rem 0;
  line-height: 1.08; font-weight: 500; letter-spacing: -0.03em;
}
.project-hero .lead { color: rgba(248,250,252,0.82); max-width: none; }
.project-actions { display: flex; flex-wrap: wrap; gap: 0.65rem; margin-top: 1.25rem; }
.project-hero-panel {
  background: rgba(255,255,255,0.06); border: 1px solid rgba(255,255,255,0.12);
  border-radius: var(--radius-lg); padding: 1.35rem;
}
.project-hero-panel p { margin: 0 0 1rem; color: rgba(248,250,252,0.85); font-size: 0.95rem; }
.project-meta-list { list-style: none; padding: 0; margin: 0; display: grid; gap: 0.5rem; }
.project-meta-list li { font-size: 0.88rem; color: rgba(248,250,252,0.7); }
.project-meta-list strong { color: #fff; font-weight: 600; }
.project-links { list-style: none; padding: 0; margin: 1rem 0 0; display: flex; flex-wrap: wrap; gap: 0.75rem; }
.project-links a { color: #67e8f9; font-weight: 600; text-decoration: none; font-size: 0.88rem; }

.project-nav {
  position: sticky; top: 4.25rem; z-index: 50;
  background: rgba(250,248,245,0.95); backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
}
.project-nav-inner {
  display: flex; gap: 0.25rem; overflow-x: auto; padding: 0.5rem 0;
  scrollbar-width: none;
}
.project-nav a {
  white-space: nowrap; padding: 0.45rem 0.9rem; border-radius: 999px;
  text-decoration: none; font-size: 0.85rem; font-weight: 600; color: var(--color-muted);
}
.project-nav a:hover { color: var(--color-primary); background: var(--color-surface-2); }

.highlights-grid {
  display: grid; grid-template-columns: repeat(2, 1fr); gap: 1rem;
}
.highlight-card {
  background: var(--color-card); border: 1px solid var(--color-border);
  border-radius: var(--radius-lg); padding: 1.35rem;
  border-left: 3px solid var(--project-accent, var(--color-accent));
}
.highlight-card h3 { margin: 0 0 0.4rem; font-size: 1rem; font-weight: 700; }
.highlight-card p { margin: 0; font-size: 0.9rem; color: var(--color-muted); }

.module-block {
  display: grid; grid-template-columns: 1fr 1fr; gap: 2.5rem; align-items: start;
  padding: var(--space-lg) 0; border-bottom: 1px solid var(--color-border);
}
.module-block:last-child { border-bottom: 0; }
.module-block.flip { direction: rtl; }
.module-block.flip > * { direction: ltr; }
.module-block h3 {
  font-family: var(--font-display); font-size: var(--text-h3); margin: 0 0 0.5rem;
  font-weight: 500; color: var(--color-primary);
}
.module-block .module-summary { color: var(--color-muted); margin: 0 0 1rem; }
.module-list {
  list-style: none; padding: 0; margin: 0; display: grid; gap: 0.55rem;
}
.module-list li {
  padding-left: 1.25rem; position: relative; font-size: 0.92rem; color: var(--color-text);
}
.module-list li::before {
  content: ""; position: absolute; left: 0; top: 0.55em;
  width: 6px; height: 6px; border-radius: 50%; background: var(--color-accent);
}
.module-visual {
  background: var(--color-surface-2); border: 1px solid var(--color-border);
  border-radius: var(--radius-lg); min-height: 200px; padding: 1.5rem;
  display: flex; align-items: center; justify-content: center;
}
.module-visual-inner {
  width: 100%; max-width: 280px; aspect-ratio: 4/3;
  background: var(--color-card); border-radius: var(--radius);
  box-shadow: var(--shadow); border: 1px solid var(--color-border);
  display: grid; place-items: center; font-family: var(--font-display);
  font-size: 2.5rem; color: var(--project-accent, var(--color-accent));
}

.tech-pills { display: flex; flex-wrap: wrap; gap: 0.5rem; }
.tech-pill {
  padding: 0.4rem 0.85rem; border-radius: 999px; font-size: 0.82rem; font-weight: 600;
  background: var(--color-card); border: 1px solid var(--color-border); color: var(--color-primary);
}

.audience-band {
  background: var(--color-surface-2); border-radius: var(--radius-lg);
  padding: 1.5rem 1.75rem; border: 1px solid var(--color-border);
}
.audience-band h2 { font-size: 1rem; font-weight: 700; margin: 0 0 0.35rem; }
.audience-band p { margin: 0; color: var(--color-muted); }

.prose { max-width: 72ch; }
.prose h2 { font-family: var(--font-display); color: var(--color-primary); margin-top: 2rem; font-weight: 500; }
.prose p, .prose li { color: var(--color-text); }

.media-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 1rem; }
.media-item {
  background: var(--color-card); border-radius: var(--radius); overflow: hidden;
  border: 1px solid var(--color-border);
}
.media-item figcaption { padding: 0.75rem 1rem; font-size: 0.85rem; color: var(--color-muted); }
.video-grid { display: grid; gap: 1rem; }
.video-embed { aspect-ratio: 16/9; background: #000; border-radius: var(--radius-lg); overflow: hidden; }
.video-embed iframe, .video-embed video { width: 100%; height: 100%; border: 0; }
.doc-list { list-style: none; padding: 0; display: grid; gap: 0.5rem; }
.doc-list a {
  display: flex; align-items: center; gap: 0.5rem; padding: 0.85rem 1rem;
  background: var(--color-card); border: 1px solid var(--color-border);
  border-radius: var(--radius-sm); text-decoration: none; font-weight: 600;
}

/* ── Contact ── */
.contact-grid { display: grid; grid-template-columns: 0.85fr 1.15fr; gap: 2.5rem; align-items: start; }
.contact-info {
  background: var(--color-card); border: 1px solid var(--color-border);
  border-radius: var(--radius-lg); padding: 1.75rem;
}
.contact-info h2 { font-family: var(--font-display); margin: 0 0 0.5rem; font-size: 1.35rem; }
.contact-info ul { list-style: none; padding: 0; margin: 1rem 0 0; display: grid; gap: 0.65rem; }
.contact-info a { text-decoration: none; font-weight: 600; }
.contact-form {
  background: var(--color-card); border: 1px solid var(--color-border);
  border-radius: var(--radius-lg); padding: 1.75rem;
}
.form-row { margin-bottom: 1rem; }
.form-row label { display: block; font-weight: 600; margin-bottom: 0.35rem; font-size: 0.88rem; }
.form-row input, .form-row textarea {
  width: 100%; padding: 0.7rem 0.85rem; border: 1px solid var(--color-border);
  border-radius: var(--radius-sm); font: inherit; background: var(--color-surface);
}
.form-row input:focus, .form-row textarea:focus {
  outline: 2px solid rgba(8,145,178,0.35); border-color: var(--color-accent);
}
.form-notice { padding: 0.75rem 1rem; border-radius: var(--radius-sm); margin-bottom: 1rem; font-size: 0.92rem; }
.form-notice.success { background: #ecfdf5; color: #065f46; border: 1px solid #a7f3d0; }
.form-notice.error { background: #fef2f2; color: #991b1b; border: 1px solid #fecaca; }

.legal-nav { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-bottom: 1.5rem; }
.legal-nav a { padding: 0.45rem 0.95rem; border-radius: 999px; border: 1px solid var(--color-border); text-decoration: none; font-size: 0.88rem; font-weight: 600; color: var(--color-text); background: var(--color-card); }
.legal-nav a.is-active, .legal-nav a:hover { border-color: var(--color-accent); color: var(--color-accent-dark); }

.legal-content h2 { font-family: var(--font-display); font-size: 1.2rem; font-weight: 500; margin: 2rem 0 0.75rem; color: var(--color-primary); border-bottom: 1px solid var(--color-border); padding-bottom: 0.35rem; }
.legal-content h2:first-of-type { margin-top: 0; }
.legal-meta { font-size: 0.88rem; color: var(--color-muted); margin-bottom: 1.5rem; padding-bottom: 1rem; border-bottom: 1px solid var(--color-border); }
.legal-box { background: var(--color-surface-2); border: 1px solid var(--color-border); border-radius: var(--radius); padding: 1.15rem 1.25rem; margin: 1rem 0; font-size: 0.92rem; line-height: 1.65; }
.legal-box p { margin: 0; }
.legal-table { width: 100%; border-collapse: collapse; margin: 1rem 0; font-size: 0.9rem; }
.legal-table th, .legal-table td { border: 1px solid var(--color-border); padding: 0.65rem 0.85rem; text-align: left; vertical-align: top; }
.legal-table th { background: var(--color-surface-2); font-weight: 600; }
.legal-content ol { padding-left: 1.35rem; }
.legal-content ol li { margin-bottom: 0.35rem; }
.legal-updated { color: var(--color-muted); font-size: 0.88rem; margin-top: 0.5rem; }

@media (max-width: 640px) {
  .legal-table { display: block; overflow-x: auto; }
}
.empty-state { color: var(--color-muted); grid-column: 1 / -1; text-align: center; padding: 2rem; }

/* ── Footer ── */
.site-footer { background: var(--color-primary); color: #94a3b8; margin-top: var(--space-2xl); }
.footer-grid {
  display: grid; grid-template-columns: 1.5fr repeat(3, 1fr); gap: 2rem;
  padding: var(--space-xl) 0 var(--space-lg);
}
.footer-brand-title { font-family: var(--font-display); font-size: 1.45rem; color: #fff; margin-bottom: 0.75rem; font-weight: 500; }
.footer-col h3 { color: #fff; font-size: 0.88rem; font-weight: 700; margin: 0 0 0.85rem; text-transform: uppercase; letter-spacing: 0.06em; }
.footer-col ul, .footer-contact { list-style: none; padding: 0; margin: 0; }
.footer-col li, .footer-contact li { margin-bottom: 0.45rem; font-size: 0.88rem; }
.footer-col a, .footer-contact a { color: #94a3b8; text-decoration: none; }
.footer-col a:hover, .footer-contact a:hover { color: #67e8f9; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.08); padding: 1rem 0; }
.footer-bottom-inner {
  display: flex; flex-wrap: wrap; justify-content: space-between; gap: 0.5rem;
  font-size: 0.8rem; color: #64748b;
}

@media (max-width: 960px) {
  .hero-grid, .project-hero-grid, .contact-grid, .services-grid, .pillars-grid,
  .highlights-grid, .module-block, .cta-band, .footer-grid { grid-template-columns: 1fr; }
  .showcase-card:nth-child(2) { margin-left: 0; }
  .module-block.flip { direction: ltr; }
  .hero-stats { grid-template-columns: 1fr 1fr; }
  .nav-toggle { display: block; }
  .site-nav {
    position: absolute; top: 100%; left: 0; right: 0;
    background: var(--color-surface); border-bottom: 1px solid var(--color-border);
    padding: 1rem; flex-direction: column; align-items: stretch; display: none;
  }
  .site-nav.is-open { display: flex; }
  .nav-list { flex-direction: column; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .project-card, .btn, .showcase-card { transition: none; }
}