/* BuyBullion.ae — shared layout. Each essai sets its palette/typography in its own theme file. */
:root {
  --charcoal: #111B18;
  --charcoal-2: #18241F;
  --offwhite: #F6F3EC;
  --gold: #C8A968;
  --gold-deep: #A88A4A;
  --wa: #218C59;
  --wa-hover: #1A7449;
  --white: #FFFFFF;
  --ink: #1B2622;
  --muted: #5E6A65;
  --line: #E4DED1;

  /* themable roles */
  --bg: var(--white);
  --text: var(--ink);
  --text-muted: var(--muted);
  --border: var(--line);
  --card-bg: var(--white);
  --input-bg: var(--white);
  --input-border: #D9D3C6;
  --serif: "Lora", Georgia, "Times New Roman", serif;
  --sans: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --radius: 14px;
  --radius-sm: 9px;
  --container: 1200px;
  --pad: clamp(16px, 4vw, 40px);
  --section: clamp(72px, 9vw, 120px);
  --shadow: 0 1px 2px rgba(17, 27, 24, .04), 0 12px 32px -18px rgba(17, 27, 24, .18);
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 88px; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; }
:focus-visible { outline: 2px solid var(--gold); outline-offset: 3px; border-radius: 4px; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.skip { position: absolute; left: 12px; top: -60px; z-index: 100; background: var(--gold); color: var(--charcoal); padding: 10px 14px; border-radius: 8px; font-weight: 600; }
.skip:focus { top: 12px; }

.container { width: 100%; max-width: calc(var(--container) + 2 * var(--pad)); margin: 0 auto; padding: 0 var(--pad); }
.section { padding: var(--section) 0; }

/* ---------- type ---------- */
h1, h2, h3 { font-family: var(--serif); font-weight: 400; letter-spacing: -.01em; margin: 0; color: var(--heading, inherit); }
h1 { font-size: clamp(2.5rem, 5.4vw, 4.25rem); line-height: 1.04; }
h2 { font-size: clamp(1.9rem, 3.4vw, 2.75rem); line-height: 1.12; }
h3 { font-size: 1.25rem; line-height: 1.3; }
p { margin: 0 0 1em; }
.eyebrow {
  display: inline-block;
  font: 600 .72rem/1 var(--sans);
  letter-spacing: .24em;
  text-transform: uppercase;
  color: var(--eyebrow, var(--gold-deep));
  margin-bottom: 22px;
}
.lead { font-size: 1.075rem; color: var(--text-muted); max-width: 34em; }
.muted { color: var(--text-muted); }

/* ---------- buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  min-height: 52px; padding: 0 26px;
  border-radius: 999px; border: 1px solid transparent;
  font: 600 .95rem/1 var(--sans); letter-spacing: .01em;
  text-decoration: none; cursor: pointer;
  transition: background-color .2s, color .2s, transform .2s, box-shadow .2s;
}
.btn svg { width: 20px; height: 20px; flex: none; }
.btn-wa { background: var(--wa); color: #fff; box-shadow: 0 10px 24px -12px rgba(33, 140, 89, .7); }
.btn-wa:hover { background: var(--wa-hover); transform: translateY(-1px); }
.btn-gold { background: var(--gold); color: var(--charcoal); }
.btn-gold:hover { background: #D6BA7E; transform: translateY(-1px); }
.btn-sm { min-height: 40px; padding: 0 18px; font-size: .85rem; }
.btn-block { width: 100%; }
.link-underline { font-weight: 500; font-size: .92rem; text-decoration: none; border-bottom: 1px solid var(--gold); padding-bottom: 3px; }
.link-underline:hover { color: var(--gold); }
.cta-row { display: flex; flex-wrap: wrap; align-items: center; gap: 18px 28px; margin-top: 36px; }

/* ---------- header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 40;
  background: var(--header-bg, var(--charcoal));
  color: var(--header-text, var(--offwhite));
  border-bottom: 1px solid var(--header-border, rgba(255, 255, 255, .06));
  backdrop-filter: saturate(140%) blur(10px);
}
.site-header .container { display: flex; align-items: center; justify-content: space-between; gap: 24px; min-height: 76px; }
.brand { text-decoration: none; display: flex; flex-direction: column; gap: 4px; }
.brand-name { font-family: var(--serif); font-size: 1.35rem; line-height: 1; }
.brand-name b { color: var(--gold); font-weight: 400; }
.brand-sub { font-size: .6rem; letter-spacing: .26em; text-transform: uppercase; opacity: .7; }
.nav { display: flex; align-items: center; gap: 34px; }
.nav a:not(.btn) { text-decoration: none; font-size: .9rem; opacity: .86; }
.nav a:not(.btn):hover { opacity: 1; color: var(--gold); }

/* ---------- hero ---------- */
.hero { position: relative; overflow: hidden; background: var(--hero-bg, var(--charcoal)); color: var(--hero-text, var(--offwhite)); }
.hero .container { display: grid; grid-template-columns: 1.05fr 1fr; gap: clamp(32px, 5vw, 72px); align-items: center; padding-top: clamp(56px, 8vw, 104px); padding-bottom: clamp(56px, 8vw, 104px); }
.hero p { color: var(--hero-muted, rgba(246, 243, 236, .76)); max-width: 33em; }
.hero h1 { margin-bottom: 28px; }
.hero-art { position: relative; margin: 0; }
.hero-art::before { /* warm studio glow behind the bars */
  content: ""; position: absolute; inset: 6% 2% 10%;
  background: radial-gradient(closest-side, var(--glow, rgba(200, 169, 104, .22)), transparent);
  filter: blur(10px); z-index: 0;
}
.hero-art img { position: relative; z-index: 1; width: 100%; }
.caption { font-size: .66rem; letter-spacing: .26em; text-transform: uppercase; opacity: .55; text-align: center; margin-top: 10px; }

/* ---------- section heads ---------- */
.split-head { display: grid; grid-template-columns: 1fr 1fr; gap: 24px 64px; align-items: end; margin-bottom: 52px; }
.split-head p { color: var(--text-muted); margin: 0; max-width: 31em; justify-self: end; }

/* ---------- cards ---------- */
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.card {
  background: var(--card-bg); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 30px 28px; box-shadow: var(--card-shadow, var(--shadow));
  transition: transform .25s, border-color .25s;
}
.card:hover { transform: translateY(-3px); border-color: var(--gold); }
.card h3 { margin-bottom: 8px; }
.card p { color: var(--text-muted); font-size: .93rem; margin: 0; }
.card-icon { width: 44px; height: 44px; border-radius: 50%; display: grid; place-items: center; margin-bottom: 22px; background: var(--icon-bg, rgba(200, 169, 104, .14)); color: var(--gold-deep); }
.card-icon svg { width: 22px; height: 22px; }
.step-num { font-family: var(--serif); font-size: 2.1rem; line-height: 1; color: var(--gold); display: block; margin-bottom: 22px; }

/* ---------- product strip ---------- */
.products { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin: 30px 0 8px; }
.product { margin: 0; background: var(--product-bg, rgba(200, 169, 104, .08)); border: 1px solid var(--border); border-radius: var(--radius); padding: 16px 12px 14px; text-align: center; }
.product img { width: 100%; aspect-ratio: 16 / 9; object-fit: contain; }
.product figcaption { font-size: .82rem; font-weight: 600; margin-top: 8px; }
.note-render { font-size: .72rem; color: var(--text-muted); margin: 0 0 24px; }

/* ---------- enquiry ---------- */
.enquiry .container { display: grid; grid-template-columns: .9fr 1.1fr; gap: clamp(32px, 6vw, 88px); align-items: start; }
.ticks { list-style: none; padding: 0; margin: 30px 0 34px; border-top: 1px solid var(--border); }
.ticks li { display: flex; gap: 14px; align-items: center; padding: 15px 0; border-bottom: 1px solid var(--border); font-size: .95rem; }
.ticks li::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: var(--gold); flex: none; }

.form-card { background: var(--form-bg, var(--white)); border: 1px solid var(--border); border-radius: calc(var(--radius) + 4px); padding: clamp(24px, 4vw, 44px); box-shadow: var(--form-shadow, var(--shadow)); }
.form-card h3 { font-size: 1.5rem; margin-bottom: 6px; }
.form-card .form-intro { color: var(--text-muted); font-size: .9rem; margin-bottom: 26px; }
.form-group-title { font: 600 .7rem/1 var(--sans); letter-spacing: .2em; text-transform: uppercase; color: var(--gold-deep); margin: 30px 0 16px; padding-top: 22px; border-top: 1px solid var(--border); }
.fields { display: grid; grid-template-columns: 1fr 1fr; gap: 18px 18px; }
.field { display: flex; flex-direction: column; gap: 7px; min-width: 0; }
.field.full { grid-column: 1 / -1; }
.field > label, .field > .label { font-size: .8rem; font-weight: 600; color: var(--label, var(--text)); }
.field .req { color: var(--gold-deep); }
.hint { font-size: .74rem; color: var(--text-muted); margin-top: -3px; }
.input, .field select, .field textarea {
  width: 100%; min-height: 50px; padding: 12px 14px;
  font: 400 1rem/1.4 var(--sans); color: var(--text);
  background: var(--input-bg); border: 1px solid var(--input-border); border-radius: var(--radius-sm);
  transition: border-color .15s, box-shadow .15s;
  appearance: none; -webkit-appearance: none;
}
.field select {
  padding-right: 40px;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' fill='none' stroke='%23A88A4A' stroke-width='1.6'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: right 16px center;
}
.field textarea { min-height: 110px; resize: vertical; }
.input:focus, .field select:focus, .field textarea:focus { outline: none; border-color: var(--gold); box-shadow: 0 0 0 3px rgba(200, 169, 104, .22); }
.input-unit { position: relative; }
.input-unit .input { padding-right: 86px; }
.input-unit span { position: absolute; right: 14px; top: 50%; transform: translateY(-50%); font-size: .85rem; color: var(--text-muted); pointer-events: none; }
.choices { display: flex; flex-wrap: wrap; gap: 10px; }
.choice { position: relative; }
.choice input { position: absolute; opacity: 0; inset: 0; cursor: pointer; }
.choice span { display: inline-flex; align-items: center; gap: 9px; min-height: 44px; padding: 0 18px; border: 1px solid var(--input-border); border-radius: 999px; font-size: .9rem; background: var(--input-bg); cursor: pointer; transition: all .15s; }
.choice span::before { content: ""; width: 14px; height: 14px; border-radius: 50%; border: 1.5px solid var(--input-border); transition: all .15s; }
.choice input:checked + span { border-color: var(--wa); background: rgba(33, 140, 89, .08); }
.choice input:checked + span::before { border: 4.5px solid var(--wa); }
.choice input:focus-visible + span { box-shadow: 0 0 0 3px rgba(200, 169, 104, .35); }
.field.is-invalid .input, .field.is-invalid select, .field.is-invalid textarea, .field.is-invalid .choice span { border-color: #C0473B; }
.field-error { color: #C0473B; font-size: .78rem; margin: 0; }
.disclaimer { font-size: .75rem; color: var(--text-muted); margin: 10px 0 0; }
.form-submit { margin-top: 28px; }
.form-foot { text-align: center; font-size: .78rem; color: var(--text-muted); margin: 14px 0 0; }
.form-foot a { color: inherit; }
.form-status { margin-top: 18px; padding: 16px 18px; border-radius: var(--radius-sm); font-size: .9rem; outline: none; }
.form-status p { margin: 0; }
.form-status.is-ok { background: rgba(33, 140, 89, .1); border: 1px solid rgba(33, 140, 89, .35); }
.form-status.is-error { background: rgba(192, 71, 59, .08); border: 1px solid rgba(192, 71, 59, .3); color: #A23A2F; }
.form-status-actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 12px; }
.form-status-actions a, .form-status-actions button { font: 600 .82rem/1 var(--sans); padding: 10px 16px; border-radius: 999px; border: 1px solid var(--wa); background: transparent; color: var(--wa); cursor: pointer; text-decoration: none; }
.form-status-actions a { background: var(--wa); color: #fff; }

/* ---------- about / final / footer ---------- */
.about { background: var(--about-bg, var(--charcoal)); color: var(--about-text, var(--offwhite)); }
.about .container { display: grid; grid-template-columns: 1fr 1fr; gap: 24px 64px; align-items: center; }
.about p { color: var(--about-muted, rgba(246, 243, 236, .78)); margin: 0; font-size: 1.04rem; }
.final { text-align: center; background: var(--final-bg, var(--offwhite)); color: var(--final-text, var(--text)); }
.final h2 { max-width: 16em; margin: 0 auto 18px; color: var(--final-heading, inherit); }
.final p { color: var(--final-muted, var(--text-muted)); max-width: 30em; margin: 0 auto 34px; }
.site-footer { background: var(--footer-bg, var(--charcoal)); color: var(--footer-text, rgba(246, 243, 236, .7)); padding: 44px 0; font-size: .82rem; border-top: 1px solid var(--footer-border, transparent); }
.site-footer .container { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 20px; align-items: flex-end; }
.site-footer .brand-name { color: var(--offwhite); font-size: 1.15rem; margin-bottom: 10px; display: block; }
.site-footer p { margin: 0; }
.site-footer nav { display: flex; gap: 26px; }
.site-footer nav a { text-decoration: none; }
.site-footer nav a:hover { color: var(--gold); }

/* ---------- floating / sticky WhatsApp ---------- */
.wa-float {
  position: fixed; right: 26px; bottom: 26px; z-index: 50;
  width: 60px; height: 60px; border-radius: 50%;
  display: grid; place-items: center;
  background: var(--wa); color: #fff;
  box-shadow: 0 14px 30px -10px rgba(0, 0, 0, .45);
  transition: transform .2s;
}
.wa-float:hover { transform: scale(1.06); }
.wa-float svg { width: 28px; height: 28px; }
.wa-float::after { content: ""; position: absolute; inset: 0; border-radius: 50%; border: 2px solid var(--wa); animation: pulse 2.6s infinite; }
@keyframes pulse { 0% { transform: scale(1); opacity: .7; } 100% { transform: scale(1.5); opacity: 0; } }
.mobile-bar { display: none; }

/* ---------- reveal on scroll ---------- */
@media (prefers-reduced-motion: no-preference) {
  .reveal { opacity: 0; transform: translateY(18px); transition: opacity .7s ease, transform .7s ease; }
  .reveal.in { opacity: 1; transform: none; }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } .wa-float::after { display: none; } }

/* ---------- responsive ---------- */
@media (max-width: 980px) {
  .nav a:not(.btn) { display: none; }
  .hero .container, .enquiry .container, .about .container, .split-head { grid-template-columns: 1fr; }
  .split-head p { justify-self: start; }
  .hero-art { max-width: 560px; margin: 0 auto; }
  .grid-3 { grid-template-columns: 1fr; gap: 14px; }
}
@media (max-width: 640px) {
  body { padding-bottom: 84px; } /* clearance for the fixed WhatsApp bar */
  .site-header .container { min-height: 64px; }
  .brand-name { font-size: 1.15rem; }
  .fields { grid-template-columns: 1fr; }
  .btn:not(.btn-sm) { width: 100%; }
  .cta-row { flex-direction: column; align-items: stretch; text-align: center; }
  .products { grid-template-columns: 1fr 1fr; gap: 10px; }
  .wa-float { display: none; }
  .mobile-bar {
    display: block; position: fixed; left: 0; right: 0; bottom: 0; z-index: 60;
    padding: 12px 16px calc(12px + env(safe-area-inset-bottom));
    background: var(--mobile-bar-bg, rgba(17, 27, 24, .94)); backdrop-filter: blur(10px);
    border-top: 1px solid rgba(200, 169, 104, .25);
  }
  .site-footer .container { flex-direction: column; align-items: flex-start; }
}

[hidden] { display: none !important; }
.steps { list-style: none; padding: 0; margin: 40px 0 0; }