/* =================================================================
   Vantage Tech Advisors — Design System
   A single, dependency-free stylesheet for the whole site.
   ================================================================= */

/* ---------- Design tokens ---------- */
:root {
  /* Brand palette */
  --navy-900: #0a1834;
  --navy-800: #0d2046;
  --navy-700: #122a5c;
  --navy-600: #1b3a78;
  --blue-500: #2563eb;
  --blue-400: #3b82f6;
  --blue-300: #60a5fa;
  --cyan-400: #22d3ee;
  --amber-400: #f5b942;

  /* Neutrals */
  --ink: #0b1220;
  --slate-700: #334155;
  --slate-600: #475569;
  --slate-500: #64748b;
  --slate-400: #94a3b8;
  --slate-300: #cbd5e1;
  --slate-200: #e2e8f0;
  --slate-100: #f1f5f9;
  --slate-50: #f8fafc;
  --white: #ffffff;

  /* Semantic */
  --bg: var(--white);
  --bg-alt: var(--slate-50);
  --text: var(--ink);
  --text-muted: var(--slate-600);
  --heading: var(--navy-900);
  --accent: var(--blue-500);
  --accent-ink: var(--navy-800);
  --border: var(--slate-200);

  /* Type */
  --font-sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --font-display: "Sora", var(--font-sans);

  /* Spacing & shape */
  --container: 1180px;
  --radius-sm: 8px;
  --radius: 14px;
  --radius-lg: 22px;
  --shadow-sm: 0 1px 2px rgba(10, 24, 52, 0.06), 0 1px 3px rgba(10, 24, 52, 0.08);
  --shadow: 0 10px 30px -12px rgba(10, 24, 52, 0.22);
  --shadow-lg: 0 30px 60px -24px rgba(10, 24, 52, 0.35);

  --transition: 200ms cubic-bezier(0.4, 0, 0.2, 1);
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: 0.001ms !important; transition-duration: 0.001ms !important; }
}

body {
  font-family: var(--font-sans);
  color: var(--text);
  background: var(--bg);
  line-height: 1.65;
  font-size: 1.0625rem;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img, svg, video { display: block; max-width: 100%; height: auto; }
a { color: var(--accent); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--navy-700); }
ul, ol { padding: 0; list-style: none; }
button { font: inherit; cursor: pointer; }

:focus-visible {
  outline: 3px solid var(--blue-300);
  outline-offset: 2px;
  border-radius: 4px;
}

/* ---------- Typography ---------- */
h1, h2, h3, h4 {
  font-family: var(--font-display);
  color: var(--heading);
  line-height: 1.15;
  font-weight: 700;
  letter-spacing: -0.02em;
}
h1 { font-size: clamp(2.4rem, 5vw, 3.7rem); }
h2 { font-size: clamp(1.9rem, 3.6vw, 2.7rem); }
h3 { font-size: clamp(1.25rem, 2vw, 1.5rem); }
h4 { font-size: 1.125rem; }
p { color: var(--text-muted); }
strong { color: var(--heading); font-weight: 600; }

.eyebrow {
  display: inline-block;
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: 0.8rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1rem;
}
.eyebrow--light { color: var(--blue-300); }

.lead { font-size: 1.2rem; color: var(--text-muted); }

/* ---------- Layout ---------- */
.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: 1.5rem;
}
.section { padding-block: clamp(4rem, 8vw, 7rem); }
.section--alt { background: var(--bg-alt); }
.section--navy {
  background: var(--navy-900);
  background-image: radial-gradient(1200px 500px at 80% -10%, rgba(37, 99, 235, 0.35), transparent 60%),
                    radial-gradient(900px 500px at 0% 110%, rgba(34, 211, 238, 0.18), transparent 55%);
  color: var(--slate-300);
}
.section--navy h1, .section--navy h2, .section--navy h3, .section--navy h4 { color: var(--white); }
.section--navy p { color: var(--slate-300); }

.section-head { max-width: 720px; margin-bottom: 3rem; }
.section-head--center { margin-inline: auto; text-align: center; }

.grid { display: grid; gap: 1.5rem; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
@media (max-width: 900px) {
  .grid-3, .grid-4 { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 640px) {
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
}

.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(2rem, 5vw, 4.5rem);
  align-items: center;
}
@media (max-width: 860px) { .split { grid-template-columns: 1fr; } }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  padding: 0.85rem 1.5rem;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.975rem;
  border: 1.5px solid transparent;
  transition: all var(--transition);
  white-space: nowrap;
}
.btn svg { width: 1.05em; height: 1.05em; }
.btn--primary {
  background: var(--accent);
  color: var(--white);
  box-shadow: 0 8px 20px -8px rgba(37, 99, 235, 0.7);
}
.btn--primary:hover { background: var(--navy-700); color: var(--white); transform: translateY(-2px); }
.btn--ghost {
  background: transparent;
  color: var(--heading);
  border-color: var(--border);
}
.btn--ghost:hover { border-color: var(--accent); color: var(--accent); }
.btn--light {
  background: var(--white);
  color: var(--navy-800);
}
.btn--light:hover { background: var(--slate-100); color: var(--navy-900); transform: translateY(-2px); }
.btn--outline-light {
  background: transparent;
  color: var(--white);
  border-color: rgba(255, 255, 255, 0.3);
}
.btn--outline-light:hover { border-color: var(--white); background: rgba(255, 255, 255, 0.08); color: var(--white); }

.btn-row { display: flex; flex-wrap: wrap; gap: 1rem; }

/* Inline arrow link */
.arrow-link {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-weight: 600;
}
.arrow-link svg { transition: transform var(--transition); width: 1.1em; }
.arrow-link:hover svg { transform: translateX(4px); }

/* ---------- Header / nav ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid transparent;
  transition: border-color var(--transition), box-shadow var(--transition);
}
.site-header.is-scrolled {
  border-bottom-color: var(--border);
  box-shadow: var(--shadow-sm);
}
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  height: 76px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.15rem;
  color: var(--heading);
  letter-spacing: -0.02em;
}
.brand:hover { color: var(--heading); }
.brand .brand-mark { width: 38px; height: 38px; flex-shrink: 0; }
.brand small { display: block; font-family: var(--font-sans); font-size: 0.62rem; font-weight: 600; letter-spacing: 0.18em; text-transform: uppercase; color: var(--slate-500); }

.nav-links {
  display: flex;
  align-items: center;
  gap: 0.35rem;
}
.nav-links a {
  color: var(--slate-700);
  font-weight: 500;
  font-size: 0.97rem;
  padding: 0.5rem 0.85rem;
  border-radius: var(--radius-sm);
}
.nav-links a:hover { color: var(--navy-800); background: var(--slate-100); }
.nav-links a[aria-current="page"] { color: var(--accent); }

.nav-actions { display: flex; align-items: center; gap: 0.75rem; }

.nav-toggle {
  display: none;
  width: 44px; height: 44px;
  background: transparent;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  align-items: center;
  justify-content: center;
}
.nav-toggle span, .nav-toggle span::before, .nav-toggle span::after {
  display: block; width: 20px; height: 2px; background: var(--heading); border-radius: 2px;
  transition: transform var(--transition), opacity var(--transition);
}
.nav-toggle span { position: relative; }
.nav-toggle span::before, .nav-toggle span::after { content: ""; position: absolute; left: 0; }
.nav-toggle span::before { top: -6px; }
.nav-toggle span::after { top: 6px; }
.nav-toggle[aria-expanded="true"] span { background: transparent; }
.nav-toggle[aria-expanded="true"] span::before { transform: translateY(6px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span::after { transform: translateY(-6px) rotate(-45deg); }

@media (max-width: 940px) {
  .nav-toggle { display: inline-flex; }
  .nav-links, .nav-actions .btn {
    display: none;
  }
  .nav.is-open .nav-links {
    display: flex;
    position: absolute;
    left: 0; right: 0; top: 76px;
    flex-direction: column;
    align-items: stretch;
    gap: 0.25rem;
    padding: 1rem 1.5rem 1.5rem;
    background: var(--white);
    border-bottom: 1px solid var(--border);
    box-shadow: var(--shadow);
  }
  .nav.is-open .nav-links a { padding: 0.8rem 1rem; font-size: 1.05rem; }
  .nav.is-open .nav-actions .btn { display: inline-flex; }
}

/* ---------- Hero ---------- */
.hero {
  position: relative;
  overflow: hidden;
  background: var(--navy-900);
  background-image:
    radial-gradient(900px 600px at 78% -5%, rgba(37, 99, 235, 0.45), transparent 60%),
    radial-gradient(700px 500px at 5% 100%, rgba(34, 211, 238, 0.22), transparent 55%);
  color: var(--white);
  padding-block: clamp(4.5rem, 9vw, 8rem);
}
.hero::after {
  content: "";
  position: absolute; inset: 0;
  background-image: linear-gradient(rgba(255,255,255,0.04) 1px, transparent 1px),
                    linear-gradient(90deg, rgba(255,255,255,0.04) 1px, transparent 1px);
  background-size: 56px 56px;
  -webkit-mask-image: radial-gradient(600px 400px at 70% 20%, black, transparent 80%);
          mask-image: radial-gradient(600px 400px at 70% 20%, black, transparent 80%);
  pointer-events: none;
}
.hero .container { position: relative; z-index: 1; }
.hero h1 { color: var(--white); max-width: 16ch; }
.hero p { color: var(--slate-300); }
.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: clamp(2rem, 5vw, 4rem);
  align-items: center;
}
@media (max-width: 920px) { .hero-grid { grid-template-columns: 1fr; } }

.hero-lead { font-size: 1.25rem; max-width: 52ch; margin-top: 1.4rem; }
.hero .btn-row { margin-top: 2.2rem; }

.hero-stats {
  display: flex; flex-wrap: wrap; gap: 2.5rem;
  margin-top: 3rem; padding-top: 2rem;
  border-top: 1px solid rgba(255,255,255,0.12);
}
.hero-stats .stat-num { font-family: var(--font-display); font-size: 2rem; font-weight: 700; color: var(--white); }
.hero-stats .stat-label { font-size: 0.85rem; color: var(--slate-400); }

/* Floating visual card */
.hero-visual {
  position: relative;
  background: linear-gradient(160deg, rgba(255,255,255,0.1), rgba(255,255,255,0.02));
  border: 1px solid rgba(255,255,255,0.14);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  box-shadow: var(--shadow-lg);
  backdrop-filter: blur(6px);
}
.hero-visual .vrow {
  display: flex; align-items: center; gap: 1rem;
  padding: 1rem 0; border-bottom: 1px solid rgba(255,255,255,0.08);
}
.hero-visual .vrow:last-child { border-bottom: 0; }
.hero-visual .vicon {
  width: 42px; height: 42px; border-radius: 12px; flex-shrink: 0;
  display: grid; place-items: center;
  background: rgba(37,99,235,0.25); color: var(--blue-300);
}
.hero-visual .vrow strong { color: var(--white); display: block; font-size: 0.98rem; }
.hero-visual .vrow span { font-size: 0.82rem; color: var(--slate-400); }
.hero-visual .vbadge { margin-left: auto; font-size: 0.72rem; font-weight: 600; padding: 0.25rem 0.6rem; border-radius: 999px; background: rgba(34,211,238,0.18); color: var(--cyan-400); }

/* ---------- Cards ---------- */
.card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.9rem;
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
  height: 100%;
}
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow); border-color: var(--slate-300); }
.card .card-icon {
  width: 52px; height: 52px; border-radius: 14px;
  display: grid; place-items: center;
  background: linear-gradient(140deg, var(--blue-500), var(--navy-700));
  color: var(--white);
  margin-bottom: 1.25rem;
}
.card .card-icon svg { width: 26px; height: 26px; }
.card h3 { margin-bottom: 0.6rem; }
.card p { font-size: 0.98rem; }
.card .card-link { margin-top: 1.1rem; }

.card--soft { background: var(--bg-alt); border-color: transparent; }
.card--ghost-light {
  background: rgba(255,255,255,0.04);
  border-color: rgba(255,255,255,0.12);
}
.card--ghost-light:hover { border-color: rgba(255,255,255,0.25); }

/* Feature list inside cards */
.tick-list li {
  display: flex; gap: 0.7rem; align-items: flex-start;
  padding: 0.45rem 0; color: var(--text-muted); font-size: 0.98rem;
}
.tick-list li::before {
  content: ""; flex-shrink: 0; margin-top: 0.3rem;
  width: 18px; height: 18px; border-radius: 50%;
  background: var(--blue-500) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='3.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='20 6 9 17 4 12'/%3E%3C/svg%3E") center / 11px no-repeat;
}

/* ---------- Logo strip ---------- */
.logo-strip { display: flex; flex-wrap: wrap; align-items: center; justify-content: center; gap: 2.5rem 3.5rem; }
.logo-strip span {
  font-family: var(--font-display); font-weight: 700; font-size: 1.25rem;
  color: var(--slate-400); letter-spacing: -0.01em;
}

/* ---------- Stats band ---------- */
.stat-block { text-align: center; }
.stat-block .big { font-family: var(--font-display); font-size: clamp(2.4rem, 5vw, 3.2rem); font-weight: 700; color: var(--white); line-height: 1; }
.stat-block .label { margin-top: 0.6rem; color: var(--slate-400); font-size: 0.95rem; }

/* ---------- Steps / process ---------- */
.step { position: relative; padding-left: 0; }
.step .step-num {
  display: inline-grid; place-items: center;
  width: 44px; height: 44px; border-radius: 12px;
  background: var(--navy-900); color: var(--white);
  font-family: var(--font-display); font-weight: 700;
  margin-bottom: 1rem;
}
.step h3 { font-size: 1.2rem; margin-bottom: 0.5rem; }

/* ---------- Testimonial ---------- */
.quote {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  box-shadow: var(--shadow-sm);
}
.quote blockquote { font-family: var(--font-display); font-size: 1.3rem; line-height: 1.5; color: var(--heading); }
.quote .by { display: flex; align-items: center; gap: 0.9rem; margin-top: 1.6rem; }
.avatar {
  width: 48px; height: 48px; border-radius: 50%; flex-shrink: 0;
  display: grid; place-items: center; font-family: var(--font-display); font-weight: 700; color: var(--white);
  background: linear-gradient(140deg, var(--blue-500), var(--navy-700));
}
.quote .by strong { display: block; }
.quote .by span { font-size: 0.88rem; color: var(--slate-500); }

/* ---------- CTA band ---------- */
.cta-band {
  background: var(--navy-900);
  background-image: radial-gradient(800px 400px at 85% 20%, rgba(37,99,235,0.4), transparent 60%);
  border-radius: var(--radius-lg);
  padding: clamp(2.5rem, 5vw, 4rem);
  text-align: center;
  color: var(--white);
}
.cta-band h2 { color: var(--white); }
.cta-band p { color: var(--slate-300); max-width: 56ch; margin-inline: auto; }
.cta-band .btn-row { justify-content: center; margin-top: 2rem; }

/* ---------- Page hero (interior) ---------- */
.page-hero {
  background: var(--navy-900);
  background-image: radial-gradient(900px 500px at 85% -20%, rgba(37,99,235,0.4), transparent 60%);
  color: var(--white);
  padding-block: clamp(3.5rem, 7vw, 6rem);
}
.page-hero h1 { color: var(--white); max-width: 20ch; }
.page-hero p { color: var(--slate-300); max-width: 60ch; margin-top: 1.1rem; font-size: 1.15rem; }

/* Breadcrumb */
.breadcrumb { display: flex; gap: 0.5rem; align-items: center; font-size: 0.85rem; color: var(--slate-400); margin-bottom: 1.25rem; }
.breadcrumb a { color: var(--blue-300); }
.breadcrumb span { color: var(--slate-500); }

/* ---------- Accordion / FAQ ---------- */
.accordion { border-top: 1px solid var(--border); }
.accordion-item { border-bottom: 1px solid var(--border); }
.accordion-trigger {
  width: 100%; text-align: left; background: none; border: 0;
  display: flex; justify-content: space-between; align-items: center; gap: 1rem;
  padding: 1.4rem 0; font-family: var(--font-display); font-weight: 600; font-size: 1.1rem; color: var(--heading);
}
.accordion-trigger .icon { flex-shrink: 0; width: 22px; height: 22px; position: relative; transition: transform var(--transition); }
.accordion-trigger .icon::before, .accordion-trigger .icon::after {
  content: ""; position: absolute; background: var(--accent); border-radius: 2px;
  top: 50%; left: 50%; transform: translate(-50%, -50%);
}
.accordion-trigger .icon::before { width: 14px; height: 2px; }
.accordion-trigger .icon::after { width: 2px; height: 14px; transition: transform var(--transition); }
.accordion-trigger[aria-expanded="true"] .icon::after { transform: translate(-50%, -50%) scaleY(0); }
.accordion-panel { overflow: hidden; max-height: 0; transition: max-height var(--transition); }
.accordion-panel-inner { padding-bottom: 1.4rem; color: var(--text-muted); }

/* ---------- Forms ---------- */
.form-card {
  background: var(--white); border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: clamp(1.75rem, 4vw, 2.75rem);
  box-shadow: var(--shadow-sm);
}
.field { margin-bottom: 1.25rem; }
.field label { display: block; font-weight: 600; font-size: 0.92rem; color: var(--heading); margin-bottom: 0.5rem; }
.field .req { color: var(--blue-500); }
.field input, .field select, .field textarea {
  width: 100%; padding: 0.8rem 1rem; font: inherit; color: var(--text);
  background: var(--white); border: 1.5px solid var(--border); border-radius: var(--radius-sm);
  transition: border-color var(--transition), box-shadow var(--transition);
}
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px rgba(37,99,235,0.15);
}
.field textarea { resize: vertical; min-height: 130px; }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1.25rem; }
@media (max-width: 560px) { .field-row { grid-template-columns: 1fr; } }
.form-note { font-size: 0.85rem; color: var(--slate-500); margin-top: 0.5rem; }
.form-status {
  margin-top: 1rem; padding: 0.9rem 1.1rem; border-radius: var(--radius-sm);
  font-size: 0.95rem; display: none;
}
.form-status.is-visible { display: block; }
.form-status.is-success { background: #ecfdf5; color: #065f46; border: 1px solid #a7f3d0; }
.form-status.is-error { background: #fef2f2; color: #991b1b; border: 1px solid #fecaca; }

/* ---------- Contact info list ---------- */
.contact-list li { display: flex; gap: 1rem; align-items: flex-start; padding: 1rem 0; border-bottom: 1px solid var(--border); }
.contact-list li:last-child { border-bottom: 0; }
.contact-list .ci {
  width: 44px; height: 44px; border-radius: 12px; flex-shrink: 0; display: grid; place-items: center;
  background: var(--slate-100); color: var(--accent);
}
.contact-list strong { display: block; color: var(--heading); }
.contact-list span, .contact-list a { color: var(--text-muted); font-size: 0.97rem; }

/* ---------- Tags / pills ---------- */
.pill {
  display: inline-flex; align-items: center; gap: 0.4rem;
  font-size: 0.78rem; font-weight: 600; padding: 0.35rem 0.8rem; border-radius: 999px;
  background: var(--slate-100); color: var(--slate-600);
}
.pill--accent { background: rgba(37,99,235,0.1); color: var(--accent); }

/* ---------- Article / insight cards ---------- */
.post-card { display: flex; flex-direction: column; }
.post-card .post-thumb {
  height: 170px; border-radius: var(--radius); margin-bottom: 1.25rem;
  background: linear-gradient(140deg, var(--navy-700), var(--blue-500));
  position: relative; overflow: hidden;
}
.post-card .post-thumb::after {
  content: ""; position: absolute; inset: 0;
  background-image: radial-gradient(120px 120px at 80% 20%, rgba(255,255,255,0.2), transparent 70%);
}
.post-card .post-thumb.alt-1 { background: linear-gradient(140deg, #0f766e, #22d3ee); }
.post-card .post-thumb.alt-2 { background: linear-gradient(140deg, #5b21b6, #818cf8); }
.post-card .post-thumb.alt-3 { background: linear-gradient(140deg, #9a3412, #f5b942); }
.post-card .post-thumb.alt-4 { background: linear-gradient(140deg, #155e75, #38bdf8); }
.post-card .post-thumb.alt-5 { background: linear-gradient(140deg, #1e3a8a, #60a5fa); }
.post-meta { display: flex; gap: 0.75rem; font-size: 0.82rem; color: var(--slate-500); margin-bottom: 0.6rem; }
.post-card h3 { font-size: 1.2rem; margin-bottom: 0.5rem; }
.post-card h3 a { color: var(--heading); }
.post-card h3 a:hover { color: var(--accent); }

/* ---------- Team ---------- */
.team-card { text-align: center; }
.team-card .team-photo {
  width: 110px; height: 110px; border-radius: 50%; margin: 0 auto 1.1rem;
  display: grid; place-items: center; font-family: var(--font-display); font-weight: 700; font-size: 2rem; color: var(--white);
  background: linear-gradient(140deg, var(--blue-500), var(--navy-700));
}
.team-card h3 { font-size: 1.15rem; margin-bottom: 0.2rem; }
.team-card .role { color: var(--accent); font-weight: 600; font-size: 0.92rem; }
.team-card p { font-size: 0.92rem; margin-top: 0.7rem; }

/* ---------- Value cards ---------- */
.value { display: flex; gap: 1.1rem; align-items: flex-start; }
.value .vnum { font-family: var(--font-display); font-weight: 700; color: var(--blue-300); font-size: 1.4rem; flex-shrink: 0; }

/* ---------- Footer ---------- */
.site-footer { background: var(--navy-900); color: var(--slate-400); padding-top: clamp(3.5rem, 6vw, 5rem); }
.footer-grid {
  display: grid; grid-template-columns: 1.6fr repeat(3, 1fr); gap: 2.5rem;
  padding-bottom: 3rem; border-bottom: 1px solid rgba(255,255,255,0.1);
}
@media (max-width: 860px) { .footer-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 520px) { .footer-grid { grid-template-columns: 1fr; } }
.site-footer .brand { color: var(--white); }
.site-footer .brand small { color: var(--slate-500); }
.footer-about { margin-top: 1.1rem; max-width: 34ch; font-size: 0.95rem; }
.footer-col h4 { color: var(--white); font-size: 0.8rem; letter-spacing: 0.12em; text-transform: uppercase; margin-bottom: 1.1rem; }
.footer-col a { display: block; color: var(--slate-400); padding: 0.35rem 0; font-size: 0.95rem; }
.footer-col a:hover { color: var(--white); }
.footer-social { display: flex; gap: 0.75rem; margin-top: 1.4rem; }
.footer-social a {
  width: 40px; height: 40px; border-radius: 10px; display: grid; place-items: center;
  background: rgba(255,255,255,0.06); color: var(--slate-300);
}
.footer-social a:hover { background: var(--accent); color: var(--white); }
.footer-bottom {
  display: flex; flex-wrap: wrap; gap: 1rem; justify-content: space-between; align-items: center;
  padding-block: 1.75rem; font-size: 0.87rem;
}
.footer-bottom .legal-links { display: flex; gap: 1.5rem; flex-wrap: wrap; }
.footer-bottom a { color: var(--slate-400); }
.footer-bottom a:hover { color: var(--white); }

/* ---------- Utilities ---------- */
.text-center { text-align: center; }
.mt-0 { margin-top: 0; }
.mt-1 { margin-top: 0.75rem; }
.mt-2 { margin-top: 1.5rem; }
.mt-3 { margin-top: 2.25rem; }
.mb-2 { margin-bottom: 1.5rem; }
.muted { color: var(--text-muted); }
.skip-link {
  position: absolute; left: 1rem; top: -100px; z-index: 200;
  background: var(--white); color: var(--navy-800); padding: 0.7rem 1.2rem; border-radius: var(--radius-sm);
  font-weight: 600; box-shadow: var(--shadow);
  transition: top var(--transition);
}
.skip-link:focus { top: 1rem; }

/* Reveal-on-scroll */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity 600ms ease, transform 600ms cubic-bezier(0.16,1,0.3,1); }
.reveal.is-visible { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) { .reveal { opacity: 1; transform: none; } }