/* ============================================================
   AK Brand Bureau — Design System
   Dark premium agency theme · gold accent
   ============================================================ */
:root {
  --ink: #0b0b10;
  --surface: #14141c;
  --surface-2: #1c1c26;
  --line: #2a2a36;
  --gold: #e8b44a;
  --gold-soft: #f3cf85;
  --text: #f4f1e9;
  --muted: #a5a2ad;
  --radius: 18px;
  --radius-sm: 12px;
  --wrap: 1180px;
  --font: "Segoe UI", system-ui, -apple-system, "Helvetica Neue", Arial, sans-serif;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font);
  background: var(--ink);
  color: var(--text);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: var(--gold); text-decoration: none; }
a:hover { color: var(--gold-soft); }

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

/* ---------- Header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(11, 11, 16, .86);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
}
.nav { display: flex; align-items: center; justify-content: space-between; height: 72px; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 800; font-size: 1.15rem; letter-spacing: .04em; color: var(--text); }
.brand:hover { color: var(--text); }
.brand .mark {
  width: 38px; height: 38px; border-radius: 10px; flex: none;
  background: linear-gradient(135deg, var(--gold), #c98f2a);
  display: grid; place-items: center;
  color: #14100a; font-weight: 900; font-size: .95rem; letter-spacing: 0;
}
.brand small { display: block; font-size: .62rem; font-weight: 600; color: var(--muted); letter-spacing: .22em; text-transform: uppercase; }
.nav-links { display: flex; gap: 28px; list-style: none; align-items: center; }
.nav-links a { color: var(--muted); font-size: .95rem; font-weight: 500; }
.nav-links a:hover, .nav-links a[aria-current="page"] { color: var(--text); }
.nav-links a[aria-current="page"] { border-bottom: 2px solid var(--gold); padding-bottom: 4px; }
.nav-toggle { display: none; background: none; border: 1px solid var(--line); color: var(--text); border-radius: 8px; min-width: 48px; min-height: 48px; padding: 8px 12px; font-size: 1.1rem; cursor: pointer; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 13px 26px; border-radius: 999px;
  font-weight: 700; font-size: .95rem; letter-spacing: .01em;
  transition: transform .15s ease, box-shadow .15s ease;
}
.btn:hover { transform: translateY(-2px); }
.btn-gold { background: linear-gradient(135deg, var(--gold), #d69a2e); color: #14100a; box-shadow: 0 8px 24px rgba(232, 180, 74, .25); }
.btn-gold:hover { color: #14100a; box-shadow: 0 12px 32px rgba(232, 180, 74, .35); }
.btn-ghost { border: 1px solid var(--line); color: var(--text); background: transparent; }
.btn-ghost:hover { border-color: var(--gold); color: var(--gold); }
.btn-wa { background: #1faa53; color: #fff; }
.btn-wa:hover { color: #fff; box-shadow: 0 10px 28px rgba(31, 170, 83, .35); }

/* ---------- Hero ---------- */
.hero { position: relative; padding: 96px 0 88px; overflow: hidden; }
.hero-grid { display: grid; grid-template-columns: 1.1fr .9fr; gap: 56px; align-items: center; }
.eyebrow {
  display: inline-block; font-size: .78rem; font-weight: 700; letter-spacing: .24em;
  text-transform: uppercase; color: var(--gold); margin-bottom: 18px;
}
h1 { font-size: clamp(2.3rem, 5vw, 3.6rem); line-height: 1.12; font-weight: 800; letter-spacing: -.015em; }
h1 .accent, h2 .accent { color: var(--gold); }
.lead { font-size: 1.15rem; color: var(--muted); margin: 22px 0 32px; max-width: 54ch; }
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }
.hero-media { position: relative; }
.hero-media img { border-radius: var(--radius); box-shadow: 0 30px 80px rgba(0,0,0,.5); width: 100%; height: auto; object-fit: cover; }
.hero-media::after {
  content: ""; position: absolute; inset: -18px -18px auto auto;
  width: 120px; height: 120px; border-radius: 50%;
  background: radial-gradient(circle, rgba(232,180,74,.35), transparent 70%);
  pointer-events: none;
}

/* ---------- Sections ---------- */
.section { padding: 84px 0; }
.section-alt { background: var(--surface); }
.section-head { max-width: 640px; margin-bottom: 48px; }
h2 { font-size: clamp(1.7rem, 3.4vw, 2.4rem); font-weight: 800; letter-spacing: -.01em; line-height: 1.2; }
.section-head p { color: var(--muted); margin-top: 14px; font-size: 1.05rem; }
h3 { font-size: 1.2rem; font-weight: 700; }

/* ---------- Cards / grids ---------- */
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.card {
  background: var(--surface-2); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 30px;
  transition: transform .2s ease, border-color .2s ease;
}
.card:hover { transform: translateY(-4px); border-color: rgba(232,180,74,.45); }
.card .icon {
  width: 48px; height: 48px; border-radius: 12px; margin-bottom: 18px;
  background: rgba(232,180,74,.12); color: var(--gold);
  display: grid; place-items: center; font-size: 1.3rem;
}
.card h3 { margin-bottom: 10px; }
.card p { color: var(--muted); font-size: .96rem; }
.card .more { display: inline-block; margin-top: 14px; font-weight: 600; font-size: .9rem; }
.card-img { padding: 0; overflow: hidden; }
.card-img img { aspect-ratio: 16/10; object-fit: cover; width: 100%; }
.card-img .card-body { padding: 24px 26px 28px; }

/* ---------- Stats ---------- */
.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; text-align: center; }
.stat { padding: 28px 12px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface-2); }
.stat b { display: block; font-size: 2rem; color: var(--gold); font-weight: 800; }
.stat span { color: var(--muted); font-size: .9rem; }

/* ---------- Split (media + text) ---------- */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; }
.split img { border-radius: var(--radius); width: 100%; height: auto; aspect-ratio: 3 / 2; object-fit: cover; }
.split .checklist { list-style: none; margin-top: 22px; }
.split .checklist li { padding-left: 30px; position: relative; margin-bottom: 12px; color: var(--muted); }
.split .checklist li::before { content: "✦"; position: absolute; left: 0; color: var(--gold); }

/* ---------- Process ---------- */
.steps { counter-reset: step; }
.steps .card { position: relative; }
.steps .card::before {
  counter-increment: step; content: "0" counter(step);
  font-size: 2.4rem; font-weight: 800; color: rgba(232,180,74,.22);
  display: block; margin-bottom: 8px;
}

/* ---------- FAQ ---------- */
.faq details { border: 1px solid var(--line); border-radius: var(--radius-sm); background: var(--surface-2); margin-bottom: 14px; }
.faq summary { cursor: pointer; padding: 20px 24px; font-weight: 600; list-style: none; position: relative; }
.faq summary::after { content: "+"; position: absolute; right: 22px; color: var(--gold); font-size: 1.3rem; }
.faq details[open] summary::after { content: "–"; }
.faq details p { padding: 0 24px 20px; color: var(--muted); }

/* ---------- CTA band ---------- */
.cta-band {
  background: linear-gradient(135deg, #1d1607, #14141c 60%);
  border: 1px solid rgba(232,180,74,.3); border-radius: var(--radius);
  padding: 56px 48px; text-align: center;
}
.cta-band h2 { margin-bottom: 12px; }
.cta-band p { color: var(--muted); margin-bottom: 28px; max-width: 52ch; margin-inline: auto; }
.cta-actions { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }

/* ---------- Forms ---------- */
.form { display: grid; gap: 16px; }
.form label { font-weight: 600; font-size: .92rem; }
.form input, .form textarea, .form select {
  width: 100%; padding: 14px 16px; margin-top: 6px;
  background: var(--surface-2); border: 1px solid var(--line); border-radius: var(--radius-sm);
  color: var(--text); font: inherit;
}
.form input:focus, .form textarea:focus, .form select:focus { outline: 2px solid var(--gold); border-color: transparent; }

/* ---------- Footer ---------- */
.site-footer { border-top: 1px solid var(--line); background: var(--surface); padding: 56px 0 32px; margin-top: 40px; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1.2fr; gap: 40px; margin-bottom: 40px; }
.site-footer h3 { font-size: .85rem; text-transform: uppercase; letter-spacing: .18em; color: var(--muted); margin-bottom: 16px; font-weight: 700; }
.site-footer ul { list-style: none; }
.site-footer li { margin-bottom: 10px; }
.site-footer a { color: var(--text); font-size: .95rem; }
.site-footer a:hover { color: var(--gold); }
.site-footer .tagline { color: var(--muted); font-size: .95rem; margin-top: 12px; max-width: 32ch; }
.footer-bottom { border-top: 1px solid var(--line); padding-top: 24px; display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; color: var(--muted); font-size: .85rem; }

/* ---------- Breadcrumb ---------- */
.breadcrumb { padding: 20px 0 0; font-size: .88rem; color: var(--muted); }
.breadcrumb ol { list-style: none; display: flex; gap: 8px; flex-wrap: wrap; }
.breadcrumb li + li::before { content: "/"; margin-right: 8px; color: var(--line); }

/* ---------- Page hero (inner pages) ---------- */
.page-hero { padding: 64px 0 56px; }
.page-hero .lead { margin-bottom: 0; }

/* ---------- Responsive ---------- */
@media (max-width: 960px) {
  .hero-grid, .split { grid-template-columns: 1fr; gap: 36px; }
  .grid-3, .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .stats { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 680px) {
  .nav-links {
    display: none; position: absolute; top: 72px; left: 0; right: 0;
    flex-direction: column; background: var(--surface); padding: 24px;
    border-bottom: 1px solid var(--line); gap: 18px;
  }
  .nav-links.open { display: flex; }
  .nav-links a { display: block; padding: 12px 0; }
  .nav-links .btn { display: inline-flex; }
  .nav-toggle { display: block; }
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .hero { padding: 64px 0 56px; }
  .cta-band { padding: 40px 24px; }
}