/* ============================================================
   V. Chetty Radhakrishna Chetty Jewel Craft — vchettyjewellery.com
   Design system: crimson + gold on warm cream, Playfair/Inter
   ============================================================ */

:root {
  --crimson: #b02440;
  --crimson-deep: #7c1830;
  --crimson-dark: #58101f;
  --gold: #c29b40;
  --gold-deep: #9a7524;
  --gold-soft: #e9d9ae;
  --cream: #faf6ee;
  --paper: #ffffff;
  --ink: #2b2118;
  --muted: #7d7166;
  --line: #e8dfd0;
  --wa: #1fa855;
  --shadow: 0 10px 30px rgba(60, 30, 20, 0.10);
  --shadow-lg: 0 24px 60px rgba(60, 30, 20, 0.16);
  --radius: 14px;
  --font-display: "Playfair Display", Georgia, "Times New Roman", serif;
  --font-body: "Inter", -apple-system, "Segoe UI", Roboto, sans-serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  color: var(--ink);
  background: var(--cream);
  line-height: 1.65;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }

a { color: var(--crimson); text-decoration: none; }
a:hover { color: var(--crimson-deep); }

.container { width: min(1160px, 92%); margin: 0 auto; }

/* ---------- typography ---------- */
h1, h2, h3, .display { font-family: var(--font-display); font-weight: 700; line-height: 1.15; color: var(--ink); }
h1 { font-size: clamp(2rem, 4.6vw, 3.4rem); }
h2 { font-size: clamp(1.6rem, 3vw, 2.3rem); }
h3 { font-size: 1.25rem; }

.eyebrow {
  display: inline-flex; align-items: center; gap: .6rem;
  font-size: .78rem; font-weight: 600; letter-spacing: .22em; text-transform: uppercase;
  color: var(--gold-deep);
}
.eyebrow::before, .eyebrow.center::after {
  content: ""; width: 26px; height: 1px; background: var(--gold);
}

.section { padding: clamp(3.2rem, 7vw, 5.5rem) 0; }
.section-head { max-width: 640px; margin-bottom: 2.4rem; }
.section-head.center { margin-inline: auto; text-align: center; }
.section-head h2 { margin: .5rem 0 .8rem; }
.section-head p { color: var(--muted); }

.diamond-sep { display: flex; align-items: center; justify-content: center; gap: .7rem; margin: .4rem 0; color: var(--gold); }
.diamond-sep::before, .diamond-sep::after { content: ""; height: 1px; width: 54px; background: linear-gradient(90deg, transparent, var(--gold)); }
.diamond-sep::after { background: linear-gradient(90deg, var(--gold), transparent); }

/* ---------- buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .5rem;
  padding: .82rem 1.7rem; border-radius: 999px;
  font-family: var(--font-body); font-weight: 600; font-size: .92rem; letter-spacing: .02em;
  cursor: pointer; border: 1px solid transparent; transition: all .22s ease;
}
.btn-gold {
  background: linear-gradient(135deg, #d8b45a, var(--gold) 55%, var(--gold-deep));
  color: #fff; box-shadow: 0 8px 22px rgba(154, 117, 36, .35);
}
.btn-gold:hover { transform: translateY(-2px); box-shadow: 0 12px 28px rgba(154, 117, 36, .45); color: #fff; }
.btn-crimson { background: var(--crimson); color: #fff; box-shadow: 0 8px 22px rgba(124, 24, 48, .3); }
.btn-crimson:hover { background: var(--crimson-deep); color: #fff; transform: translateY(-2px); }
.btn-outline { border-color: rgba(255,255,255,.75); color: #fff; background: rgba(255,255,255,.06); backdrop-filter: blur(4px); }
.btn-outline:hover { background: rgba(255,255,255,.16); color: #fff; }
.btn-outline-dark { border-color: var(--crimson); color: var(--crimson); background: transparent; }
.btn-outline-dark:hover { background: var(--crimson); color: #fff; }
.btn-wa { background: var(--wa); color: #fff; }
.btn-wa:hover { background: #178a45; color: #fff; transform: translateY(-2px); }

/* ---------- top bar ---------- */
.topbar {
  background: var(--crimson-dark); color: #f6dfc4;
  font-size: .8rem; padding: .45rem 0;
}
.topbar .container { display: flex; justify-content: space-between; align-items: center; gap: 1rem; flex-wrap: wrap; }
.topbar a { color: #fff; font-weight: 600; }
.topbar .rates-ticker { display: flex; gap: 1.2rem; flex-wrap: wrap; }
.topbar .rates-ticker b { color: #fff; font-weight: 600; }

/* ---------- header / nav ---------- */
.site-header {
  background: var(--paper);
  border-bottom: 1px solid var(--line);
  position: sticky; top: 0; z-index: 50;
  box-shadow: 0 2px 14px rgba(60,30,20,.06);
}
.site-header .container { display: flex; align-items: center; justify-content: space-between; gap: 1rem; padding-block: .7rem; }

.brand { display: flex; align-items: center; gap: .8rem; }
.brand svg { width: 52px; height: 52px; flex: none; }
.brand-text { display: flex; flex-direction: column; line-height: 1.05; }
.brand-text b {
  font-family: "Great Vibes", cursive; font-size: 1.62rem; font-weight: 400;
  color: #9e1b32; letter-spacing: .015em; white-space: nowrap;
}
.brand-text small {
  font-family: "Great Vibes", cursive; font-size: 1.05rem; font-weight: 400;
  letter-spacing: .04em; color: #9e1b32; margin-top: .05rem;
}
@media (max-width: 520px) {
  .brand-text b { font-size: 1.18rem; }
  .brand-text small { font-size: .85rem; }
  .brand svg { width: 42px; height: 42px; }
}

.nav { display: flex; align-items: center; gap: 1.5rem; }
.nav a {
  font-size: .88rem; font-weight: 500; color: var(--ink);
  padding: .3rem 0; border-bottom: 2px solid transparent; transition: all .2s;
}
.nav a:hover { color: var(--crimson); }
.nav a.active { color: var(--crimson); border-bottom-color: var(--gold); font-weight: 600; }
.nav .btn { padding: .55rem 1.2rem; font-size: .82rem; }

.nav-toggle {
  display: none; background: none; border: 0; cursor: pointer; padding: .4rem;
  flex-direction: column; gap: 5px;
}
.nav-toggle span { width: 24px; height: 2px; background: var(--crimson-deep); transition: all .25s; }

@media (max-width: 920px) {
  .nav-toggle { display: flex; }
  .nav {
    position: absolute; top: 100%; left: 0; right: 0;
    background: var(--paper); flex-direction: column; align-items: flex-start;
    padding: 1.2rem 5%; gap: 1rem; border-bottom: 1px solid var(--line);
    box-shadow: var(--shadow); display: none;
  }
  .nav.open { display: flex; }
}

/* ---------- hero ---------- */
.hero {
  position: relative; color: #fff;
  min-height: clamp(480px, 72vh, 680px);
  display: flex; align-items: center;
  background: var(--crimson-dark);
  overflow: hidden;
}
.hero .bg {
  position: absolute; inset: 0;
  background-size: cover; background-position: center;
  transform: scale(1.03);
}
.hero .overlay {
  position: absolute; inset: 0;
  background: linear-gradient(100deg, rgba(46, 8, 16, .88) 0%, rgba(46, 8, 16, .62) 45%, rgba(46, 8, 16, .18) 100%);
}
.hero .container { position: relative; z-index: 2; }
.hero .eyebrow { color: var(--gold-soft); }
.hero .eyebrow::before { background: var(--gold-soft); }
.hero h1 { color: #fff; margin: .9rem 0 1.1rem; max-width: 620px; }
.hero h1 em { font-style: italic; color: var(--gold-soft); }
.hero p { max-width: 520px; color: rgba(255,255,255,.88); font-size: 1.05rem; margin-bottom: 1.8rem; }
.hero .cta-row { display: flex; gap: .9rem; flex-wrap: wrap; }

/* hero page (interior pages) */
.page-hero {
  background: linear-gradient(120deg, var(--crimson-dark), var(--crimson-deep) 70%, #8d2a3c);
  color: #fff; padding: clamp(2.6rem, 6vw, 4.2rem) 0; position: relative; overflow: hidden;
}
.page-hero::after {
  content: "◆"; position: absolute; right: -40px; top: 50%; transform: translateY(-50%);
  font-size: 300px; color: rgba(255,255,255,.05); line-height: 1;
}
.page-hero h1 { color: #fff; margin-top: .7rem; }
.page-hero p { color: rgba(255,255,255,.85); max-width: 560px; margin-top: .8rem; }
.page-hero .eyebrow { color: var(--gold-soft); }
.page-hero .eyebrow::before { background: var(--gold-soft); }

/* ---------- rate strip / cards ---------- */
.rate-strip {
  background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius);
  box-shadow: var(--shadow);
  display: flex; align-items: stretch; flex-wrap: wrap;
  margin-top: -46px; position: relative; z-index: 5; overflow: hidden;
}
.rate-strip .cell {
  flex: 1 1 180px; padding: 1.1rem 1.4rem; border-right: 1px solid var(--line);
  display: flex; flex-direction: column; gap: .1rem;
}
.rate-strip .cell:last-child { border-right: 0; }
.rate-strip .label { font-size: .72rem; font-weight: 600; letter-spacing: .14em; text-transform: uppercase; color: var(--muted); }
.rate-strip .value { font-family: var(--font-display); font-size: 1.45rem; font-weight: 700; color: var(--crimson-deep); }
.rate-strip .value small { font-size: .8rem; color: var(--muted); font-family: var(--font-body); font-weight: 500; }
.rate-strip .cell.link-cell { justify-content: center; align-items: flex-start; background: linear-gradient(135deg, #fdf9f0, #f7ecd2); }

.rate-cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 1.4rem; }
.rate-card {
  background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 1.8rem; text-align: center; box-shadow: var(--shadow); position: relative; overflow: hidden;
}
.rate-card::before { content: ""; position: absolute; top: 0; left: 0; right: 0; height: 4px; background: linear-gradient(90deg, var(--gold), var(--gold-soft)); }
.rate-card .metal { font-size: .8rem; font-weight: 600; letter-spacing: .18em; text-transform: uppercase; color: var(--muted); }
.rate-card .price { font-family: var(--font-display); font-size: 2.4rem; font-weight: 700; color: var(--crimson-deep); margin: .4rem 0 .1rem; }
.rate-card .per { color: var(--muted); font-size: .85rem; }

.asof { text-align: center; color: var(--muted); font-size: .85rem; margin-top: 1.2rem; }

/* ---------- cards & grids ---------- */
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 2.6rem; align-items: center; }
.grid-3 { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 1.6rem; }
.grid-4 { display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); gap: 1.5rem; }
@media (max-width: 860px) { .grid-2 { grid-template-columns: 1fr; } }

.tile {
  position: relative; border-radius: var(--radius); overflow: hidden;
  aspect-ratio: 4 / 5; box-shadow: var(--shadow); display: block;
}
.tile img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s ease; }
.tile:hover img { transform: scale(1.06); }
.tile .tile-label {
  position: absolute; inset: auto 0 0 0; padding: 2.2rem 1.3rem 1.1rem;
  background: linear-gradient(transparent, rgba(40, 8, 14, .82));
  color: #fff; font-family: var(--font-display); font-size: 1.25rem; font-weight: 700;
  display: flex; justify-content: space-between; align-items: baseline;
}
.tile .tile-label small { font-family: var(--font-body); font-size: .75rem; font-weight: 500; color: var(--gold-soft); letter-spacing: .08em; }

.card {
  background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 1.9rem; box-shadow: var(--shadow);
}
.card h3 { margin-bottom: .6rem; }
.card p { color: var(--muted); font-size: .93rem; }

/* ---------- scheme band ---------- */
.band {
  background:
    radial-gradient(1200px 500px at 110% -10%, rgba(194, 155, 64, .16), transparent 60%),
    linear-gradient(120deg, var(--crimson-dark), var(--crimson-deep));
  color: #fff;
}
.band .section-head h2, .band h3 { color: #fff; }
.band .section-head p { color: rgba(255,255,255,.8); }
.band .eyebrow { color: var(--gold-soft); }
.band .eyebrow::before, .band .eyebrow.center::after { background: var(--gold-soft); }

.scheme-card {
  background: rgba(255,255,255,.055); border: 1px solid rgba(233, 217, 174, .28);
  border-radius: var(--radius); padding: 1.9rem;
  display: flex; flex-direction: column; gap: .8rem;
  transition: transform .25s, background .25s;
}
.scheme-card:hover { transform: translateY(-4px); background: rgba(255,255,255,.09); }
.scheme-card .badge {
  align-self: flex-start; font-size: .68rem; font-weight: 700; letter-spacing: .16em; text-transform: uppercase;
  background: linear-gradient(135deg, var(--gold-soft), var(--gold)); color: var(--crimson-dark);
  padding: .28rem .75rem; border-radius: 999px;
}
.scheme-card p { color: rgba(255,255,255,.82); font-size: .92rem; flex: 1; }
.scheme-card a { color: var(--gold-soft); font-weight: 600; font-size: .9rem; }
.scheme-card a:hover { color: #fff; }

/* scheme detail */
.scheme-detail { border-left: 3px solid var(--gold); padding-left: 1.6rem; margin-bottom: 2.6rem; }
.scheme-detail h3 { font-size: 1.45rem; }
.scheme-detail .sub { color: var(--gold-deep); font-weight: 600; font-size: .85rem; letter-spacing: .1em; text-transform: uppercase; }
.feature-list { list-style: none; margin-top: .9rem; display: grid; gap: .55rem; }
.feature-list li { padding-left: 1.5rem; position: relative; color: #4d4238; font-size: .95rem; }
.feature-list li::before { content: "◆"; position: absolute; left: 0; color: var(--gold); font-size: .7rem; top: .32rem; }

/* ---------- calculator ---------- */
.calc {
  background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius);
  box-shadow: var(--shadow-lg); padding: 2rem;
}
.calc h3 { margin-bottom: 1.2rem; }
.calc .row { display: grid; grid-template-columns: 1fr 1fr; gap: 1.2rem; margin-bottom: 1.2rem; }
@media (max-width: 620px) { .calc .row { grid-template-columns: 1fr; } }
.calc label { font-size: .8rem; font-weight: 600; color: var(--muted); display: block; margin-bottom: .35rem; letter-spacing: .04em; }
.calc select, .calc input {
  width: 100%; padding: .7rem .9rem; border: 1px solid var(--line); border-radius: 10px;
  font-family: var(--font-body); font-size: 1rem; background: var(--cream); color: var(--ink);
}
.calc-result {
  background: linear-gradient(135deg, #fdf9f0, #f7ecd2);
  border: 1px solid var(--gold-soft); border-radius: 12px; padding: 1.3rem 1.5rem;
  display: flex; gap: 2.5rem; flex-wrap: wrap;
}
.calc-result .item .k { font-size: .75rem; font-weight: 600; letter-spacing: .1em; text-transform: uppercase; color: var(--gold-deep); }
.calc-result .item .v { font-family: var(--font-display); font-size: 1.7rem; font-weight: 700; color: var(--crimson-deep); }
.fineprint { font-size: .78rem; color: var(--muted); margin-top: 1rem; }

/* ---------- coins ---------- */
.coin-card {
  background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 1.8rem 1.5rem; text-align: center; box-shadow: var(--shadow);
  display: flex; flex-direction: column; align-items: center; gap: .55rem;
  transition: transform .25s ease, box-shadow .25s ease;
}
.coin-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-lg); }
.coin-card svg { width: 110px; height: 110px; filter: drop-shadow(0 6px 14px rgba(154,117,36,.35)); }
.coin-card .grams { font-family: var(--font-display); font-size: 1.3rem; font-weight: 700; color: var(--ink); }
.coin-card .purity { font-size: .75rem; font-weight: 600; letter-spacing: .14em; color: var(--muted); text-transform: uppercase; }
.coin-card .coin-price { font-family: var(--font-display); font-size: 1.55rem; font-weight: 700; color: var(--crimson-deep); }
.coin-card .incl { font-size: .72rem; color: var(--muted); margin-bottom: .5rem; }
.coin-card .btn { width: 100%; }

.trust-row { display: flex; gap: 2.2rem; flex-wrap: wrap; justify-content: center; margin-top: 2.4rem; }
.trust-item { display: flex; align-items: center; gap: .7rem; font-size: .88rem; font-weight: 600; color: #5c5045; }
.trust-item .ic {
  width: 40px; height: 40px; border-radius: 50%; flex: none;
  background: linear-gradient(135deg, #fdf5e0, var(--gold-soft));
  display: flex; align-items: center; justify-content: center;
  color: var(--gold-deep); font-size: 1.1rem;
}

/* ---------- gallery ---------- */
.tabs { display: flex; gap: .6rem; flex-wrap: wrap; margin-bottom: 2rem; }
.tab-btn {
  padding: .55rem 1.3rem; border-radius: 999px; border: 1px solid var(--line);
  background: var(--paper); font-family: var(--font-body); font-weight: 600; font-size: .85rem;
  color: var(--muted); cursor: pointer; transition: all .2s;
}
.tab-btn:hover { border-color: var(--gold); color: var(--gold-deep); }
.tab-btn.active { background: var(--crimson); border-color: var(--crimson); color: #fff; }

.masonry { columns: 3; column-gap: 1.1rem; }
@media (max-width: 900px) { .masonry { columns: 2; } }
@media (max-width: 560px) { .masonry { columns: 1; } }
.masonry .g-item {
  break-inside: avoid; margin-bottom: 1.1rem; border-radius: 12px; overflow: hidden;
  box-shadow: var(--shadow); cursor: zoom-in; position: relative; display: block; border: 0; padding: 0; width: 100%;
  background: none;
}
.masonry .g-item img { width: 100%; transition: transform .45s ease; }
.masonry .g-item:hover img { transform: scale(1.045); }

.lightbox {
  position: fixed; inset: 0; z-index: 200; background: rgba(24, 6, 10, .93);
  display: none; align-items: center; justify-content: center; padding: 4vh 4vw;
}
.lightbox.open { display: flex; }
.lightbox img { max-width: 100%; max-height: 92vh; border-radius: 10px; box-shadow: 0 30px 80px rgba(0,0,0,.5); }
.lightbox .close {
  position: absolute; top: 18px; right: 24px; background: none; border: 0;
  color: #fff; font-size: 2.2rem; cursor: pointer; line-height: 1;
}

/* ---------- heritage / visit ---------- */
.framed-img { border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow-lg); position: relative; }
.framed-img::after { content: ""; position: absolute; inset: 12px; border: 1px solid rgba(255,255,255,.55); border-radius: 8px; pointer-events: none; }

.stat-row { display: flex; gap: 2.6rem; margin-top: 1.8rem; flex-wrap: wrap; }
.stat .n { font-family: var(--font-display); font-size: 2.1rem; font-weight: 700; color: var(--crimson); }
.stat .l { font-size: .8rem; color: var(--muted); letter-spacing: .06em; text-transform: uppercase; font-weight: 600; }

.info-list { list-style: none; display: grid; gap: 1rem; }
.info-list li { display: flex; gap: .9rem; align-items: flex-start; }
.info-list .ic {
  width: 38px; height: 38px; border-radius: 50%; flex: none; margin-top: .1rem;
  background: linear-gradient(135deg, #fdf5e0, var(--gold-soft));
  display: flex; align-items: center; justify-content: center; color: var(--gold-deep);
}
.info-list b { display: block; font-size: .8rem; letter-spacing: .1em; text-transform: uppercase; color: var(--muted); }
.info-list span { color: var(--ink); }

/* ---------- forms ---------- */
.form-grid { display: grid; gap: 1rem; }
.form-grid input, .form-grid textarea {
  width: 100%; padding: .8rem 1rem; border: 1px solid var(--line); border-radius: 10px;
  font-family: var(--font-body); font-size: .95rem; background: var(--paper); color: var(--ink);
}
.form-grid textarea { min-height: 120px; resize: vertical; }
.form-grid input:focus, .form-grid textarea:focus, .calc select:focus, .calc input:focus {
  outline: 2px solid var(--gold-soft); border-color: var(--gold);
}

/* ---------- FAQ ---------- */
details.faq {
  background: var(--paper); border: 1px solid var(--line); border-radius: 12px;
  padding: 1.05rem 1.3rem; margin-bottom: .8rem;
}
details.faq summary { font-weight: 600; cursor: pointer; color: var(--ink); }
details.faq[open] summary { color: var(--crimson); margin-bottom: .5rem; }
details.faq p { color: var(--muted); font-size: .92rem; }

/* ---------- footer ---------- */
.site-footer { background: var(--crimson-dark); color: rgba(255, 240, 228, .82); margin-top: 4rem; }
.site-footer .top { padding: 3.2rem 0 2.4rem; display: grid; grid-template-columns: 1.4fr 1fr 1.2fr; gap: 2.5rem; }
@media (max-width: 820px) { .site-footer .top { grid-template-columns: 1fr; } }
.site-footer h4 { font-family: var(--font-display); color: #fff; margin-bottom: .9rem; font-size: 1.05rem; }
.site-footer a { color: rgba(255, 240, 228, .82); }
.site-footer a:hover { color: var(--gold-soft); }
.site-footer ul { list-style: none; display: grid; gap: .45rem; font-size: .9rem; }
.site-footer .brand-text b { color: #fff; }
.site-footer .blurb { font-size: .88rem; margin-top: .9rem; max-width: 340px; }
.site-footer .legal {
  border-top: 1px solid rgba(255,255,255,.14); padding: 1.1rem 0; font-size: .78rem;
  display: flex; justify-content: space-between; gap: 1rem; flex-wrap: wrap; color: rgba(255,240,228,.55);
}

/* ---------- WhatsApp float ---------- */
.wa-float {
  position: fixed; right: 20px; bottom: 20px; z-index: 90;
  width: 56px; height: 56px; border-radius: 50%; background: var(--wa);
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 10px 26px rgba(23, 138, 69, .45); transition: transform .2s;
}
.wa-float:hover { transform: scale(1.08); }
.wa-float svg { width: 30px; height: 30px; fill: #fff; }

/* ---------- reveal animation ---------- */
.reveal { opacity: 0; transform: translateY(22px); transition: opacity .7s ease, transform .7s ease; }
.reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) { .reveal { opacity: 1; transform: none; transition: none; } }

/* ---------- utility ---------- */
.mt-1 { margin-top: .8rem; } .mt-2 { margin-top: 1.6rem; } .mt-3 { margin-top: 2.6rem; }
.center { text-align: center; }
.note {
  background: #fdf7e8; border: 1px solid var(--gold-soft); border-radius: 10px;
  padding: .9rem 1.2rem; font-size: .85rem; color: #6b5a33;
}