/* ==========================================================================
   NAJU JEWELRY — Global styles
   Light luxury · bright, clean, world-class jewelry brand
   ========================================================================== */

:root {
  --bg: #faf7f2;            /* warm ivory */
  --bg-deep: #f2ece1;       /* light warm tint for alt sections */
  --surface: #ffffff;
  --surface-2: #f7f3eb;
  --gold: #b08d57;          /* champagne gold */
  --gold-light: #c9a86a;
  --gold-dim: #d8c5a0;      /* light champagne for index numbers */
  --ink: #211d16;           /* deep warm text */
  --muted: #6f685a;         /* warm muted */
  --muted-2: #a09986;
  --line: rgba(33, 29, 22, 0.16);
  --line-soft: rgba(33, 29, 22, 0.09);

  --font-display: "Cormorant Garamond", "Playfair Display", Georgia, "Times New Roman", serif;
  --font-body: "Jost", "Montserrat", "Inter", -apple-system, BlinkMacSystemFont, system-ui, sans-serif;

  --radius-sm: 2px;
  --radius: 10px;
  --space-section: clamp(72px, 10vw, 132px);
  --gutter: clamp(20px, 5vw, 64px);
  --maxw: 1280px;

  --shadow: 0 1px 0 rgba(33, 29, 22, 0.04), 0 18px 40px -28px rgba(33, 29, 22, 0.28);
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

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

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 16px;
  font-weight: 400;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  background:
    radial-gradient(1100px 520px at 82% -8%, rgba(176, 141, 87, 0.10), transparent 60%),
    radial-gradient(900px 480px at -8% 32%, rgba(176, 141, 87, 0.06), transparent 55%);
  pointer-events: none;
  z-index: 0;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }

::selection { background: var(--gold); color: #fff; }

/* ---------- Typography ---------- */

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 500;
  line-height: 1.1;
  letter-spacing: -0.01em;
  color: var(--ink);
}

.eyebrow {
  font-family: var(--font-body);
  font-size: 11px;
  letter-spacing: 0.34em;
  text-transform: uppercase;
  color: var(--gold);
  font-weight: 500;
}

.display { font-size: clamp(42px, 7.4vw, 88px); font-weight: 500; }
.h2 { font-size: clamp(30px, 4.6vw, 56px); }
.h3 { font-size: clamp(22px, 2.6vw, 30px); }

.lead {
  font-size: clamp(17px, 1.6vw, 20px);
  color: var(--muted);
  max-width: 640px;
  font-weight: 400;
}

.gold-italic { color: var(--gold); font-style: italic; }

/* ---------- Layout helpers ---------- */

.wrap { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 var(--gutter); position: relative; z-index: 1; }

.section { padding: var(--space-section) 0; position: relative; z-index: 1; }
.section--tight { padding: calc(var(--space-section) * 0.7) 0; }

.section-head { max-width: 780px; margin-bottom: clamp(40px, 6vw, 72px); }
.section-head .h2 { margin-top: 18px; }
.section-head p.lead { margin-top: 20px; }

.grid { display: grid; gap: 24px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

/* ---------- Buttons ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 15px 30px;
  font-family: var(--font-body);
  font-size: 12px;
  letter-spacing: 0.18em;
  font-weight: 500;
  text-transform: uppercase;
  border: 1px solid var(--gold);
  border-radius: 999px;
  cursor: pointer;
  transition: all 0.35s var(--ease);
}

.btn--gold { background: var(--gold); color: #fff; }
.btn--gold:hover { background: var(--gold-light); border-color: var(--gold-light); transform: translateY(-2px); box-shadow: 0 14px 30px -18px rgba(176, 141, 87, 0.9); }

.btn--ghost { color: var(--ink); background: transparent; }
.btn--ghost:hover { background: rgba(176, 141, 87, 0.10); border-color: var(--gold-light); color: var(--gold); }

.btn .arrow { transition: transform 0.35s var(--ease); }
.btn:hover .arrow { transform: translateX(4px); }

/* ---------- Nav ---------- */

.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(250, 247, 242, 0.85);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--line-soft);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 74px;
}

.brand {
  font-family: var(--font-display);
  font-size: 21px;
  letter-spacing: 0.16em;
  font-weight: 600;
  color: var(--ink);
}
.brand span { color: var(--gold); }

.nav-links { display: flex; align-items: center; gap: 36px; }
.nav-links a {
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
  font-weight: 500;
  transition: color 0.25s var(--ease);
  position: relative;
}
.nav-links a:hover, .nav-links a.active { color: var(--ink); }
.nav-links a::after {
  content: "";
  position: absolute;
  left: 0; bottom: -6px;
  width: 0; height: 1px;
  background: var(--gold);
  transition: width 0.3s var(--ease);
}
.nav-links a:hover::after, .nav-links a.active::after { width: 100%; }

.nav-cta { display: flex; align-items: center; gap: 14px; }

.burger { display: none; background: none; border: none; cursor: pointer; width: 34px; height: 34px; position: relative; }
.burger span { position: absolute; left: 6px; width: 22px; height: 1.5px; background: var(--ink); transition: 0.3s var(--ease); }
.burger span:nth-child(1) { top: 11px; }
.burger span:nth-child(2) { top: 17px; }
.burger span:nth-child(3) { top: 23px; }

/* ---------- Announcement strip ---------- */

.ticker {
  border-bottom: 1px solid var(--line-soft);
  overflow: hidden;
  background: var(--bg-deep);
}
.ticker-track {
  display: flex;
  width: max-content;
  animation: marquee 28s linear infinite;
}
.ticker-track span {
  padding: 11px 26px;
  font-size: 11px;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--muted);
  white-space: nowrap;
}
.ticker-track span::after { content: "·"; margin-left: 52px; color: var(--gold); }
@keyframes marquee { from { transform: translateX(0); } to { transform: translateX(-50%); } }

/* ---------- Hero ---------- */

.hero { padding: clamp(84px, 12vw, 150px) 0 clamp(64px, 8vw, 112px); }
.hero-inner { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: clamp(36px, 5vw, 76px); align-items: center; }

.hero h1 { margin-top: 24px; }
.hero .lead { margin-top: 26px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 16px; margin-top: 42px; }

.hero-figure {
  position: relative;
  aspect-ratio: 4 / 5;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background:
    radial-gradient(120% 120% at 50% 0%, rgba(176, 141, 87, 0.16), transparent 58%),
    linear-gradient(160deg, #fdfbf7, #f4efe5);
  display: grid;
  place-items: center;
  overflow: hidden;
  box-shadow: var(--shadow);
}
.hero-figure::after {
  content: "";
  position: absolute; inset: 14px;
  border: 1px solid rgba(176, 141, 87, 0.35);
  border-radius: var(--radius-sm);
  pointer-events: none;
}
.hero-figure .mark {
  font-family: var(--font-display);
  font-size: clamp(64px, 9vw, 120px);
  color: transparent;
  -webkit-text-stroke: 1px var(--gold-dim);
  letter-spacing: 0.04em;
}
.hero-figure .caption {
  position: absolute; bottom: 30px;
  font-size: 11px; letter-spacing: 0.26em; text-transform: uppercase; color: var(--muted);
}

/* ---------- Stat band ---------- */

.stats {
  border-block: 1px solid var(--line-soft);
  background: var(--bg-deep);
}
.stats-inner { display: grid; grid-template-columns: repeat(4, 1fr); }
.stat { padding: 34px 24px; text-align: center; border-left: 1px solid var(--line-soft); }
.stat:first-child { border-left: none; }
.stat b { font-family: var(--font-display); font-size: clamp(26px, 3vw, 38px); font-weight: 500; color: var(--gold); display: block; }
.stat span { font-size: 12px; letter-spacing: 0.16em; text-transform: uppercase; color: var(--muted); }

/* ---------- Cards ---------- */

.card {
  position: relative;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  padding: 30px;
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: transform 0.4s var(--ease), border-color 0.4s var(--ease), box-shadow 0.4s var(--ease);
}
.card:hover { transform: translateY(-6px); border-color: rgba(176, 141, 87, 0.55); box-shadow: 0 24px 50px -30px rgba(176, 141, 87, 0.5); }
.card .num {
  font-family: var(--font-display);
  font-size: 40px;
  color: var(--gold-dim);
}
.card h3 { margin-top: 16px; }
.card p { margin-top: 12px; color: var(--muted); font-size: 15px; }
.card .tag { display: inline-block; margin-top: 20px; font-size: 11px; letter-spacing: 0.16em; text-transform: uppercase; color: var(--gold); font-weight: 500; }

.card--line::before {
  content: "";
  position: absolute; top: 0; left: 30px; right: 30px;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--gold), transparent);
}

/* ---------- Media images ---------- */

.hero-img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.card-img { width: 100%; aspect-ratio: 1 / 1; object-fit: cover; border-radius: var(--radius-sm); border: 1px solid var(--line-soft); }

/* ---------- Process ---------- */

.process { counter-reset: step; }
.step { display: grid; grid-template-columns: 84px 1fr; gap: 26px; padding: 30px 0; border-top: 1px solid var(--line); }
.step:last-child { border-bottom: 1px solid var(--line); }
.step .idx {
  font-family: var(--font-display);
  font-size: 44px; color: var(--gold-dim); line-height: 1;
}
.step h3 { margin-bottom: 10px; }
.step p { color: var(--muted); max-width: 640px; }

/* ---------- FAQ ---------- */

.faq-item { border-top: 1px solid var(--line); }
.faq-item:last-child { border-bottom: 1px solid var(--line); }
.faq-q {
  width: 100%;
  display: flex; align-items: center; justify-content: space-between;
  gap: 20px; padding: 24px 0;
  background: none; border: none; cursor: pointer;
  text-align: left;
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 17px; font-weight: 500;
}
.faq-q .plus { color: var(--gold); font-size: 22px; transition: transform 0.3s var(--ease); flex-shrink: 0; }
.faq-a { max-height: 0; overflow: hidden; transition: max-height 0.4s var(--ease); }
.faq-a p { padding: 0 0 24px; color: var(--muted); max-width: 720px; }
.faq-item.open .plus { transform: rotate(45deg); }
.faq-item.open .faq-a { max-height: 400px; }

/* ---------- CTA ---------- */

.cta {
  text-align: center;
  padding: clamp(80px, 10vw, 130px) 0;
  border-block: 1px solid var(--line-soft);
  background:
    radial-gradient(800px 400px at 50% 0%, rgba(176, 141, 87, 0.14), transparent 60%),
    var(--bg-deep);
}
.cta .h2 { margin-top: 18px; }
.cta .lead { margin: 22px auto 0; }
.cta .btn { margin-top: 36px; }

/* ---------- Footer ---------- */

.footer { background: var(--bg-deep); border-top: 1px solid var(--line-soft); padding: 70px 0 40px; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 40px; }
.footer .brand { font-size: 22px; }
.footer .blurb { margin-top: 18px; color: var(--muted); font-size: 14px; max-width: 320px; }
.footer h4 { font-size: 12px; letter-spacing: 0.2em; text-transform: uppercase; color: var(--gold); margin-bottom: 18px; font-family: var(--font-body); font-weight: 500; }
.footer li { margin-bottom: 12px; }
.footer li a { color: var(--muted); font-size: 14px; transition: color 0.25s var(--ease); }
.footer li a:hover { color: var(--ink); }
.footer-bottom {
  margin-top: 56px; padding-top: 26px;
  border-top: 1px solid var(--line-soft);
  display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap;
  color: var(--muted-2); font-size: 13px;
}

/* ---------- Inner page hero ---------- */

.page-hero { padding: clamp(70px, 9vw, 110px) 0 clamp(40px, 5vw, 60px); }
.page-hero .h2 { margin-top: 16px; max-width: 760px; }
.page-hero .lead { margin-top: 22px; }

/* ---------- Forms ---------- */

.form { display: grid; gap: 18px; max-width: 720px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.field label { display: block; font-size: 11px; letter-spacing: 0.16em; text-transform: uppercase; color: var(--muted); margin-bottom: 8px; }
.field input, .field textarea, .field select {
  width: 100%;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  color: var(--ink);
  padding: 14px 16px;
  font-family: var(--font-body);
  font-size: 15px;
  transition: border-color 0.25s var(--ease);
}
.field input:focus, .field textarea:focus, .field select:focus {
  outline: none; border-color: var(--gold);
}
.field textarea { min-height: 140px; resize: vertical; }
.form-note { font-size: 13px; color: var(--muted-2); }

/* ---------- Series showcase ---------- */

.series { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.series-card {
  display: flex; flex-direction: column;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: transform 0.4s var(--ease), border-color 0.4s var(--ease), box-shadow 0.4s var(--ease);
}
.series-card:hover { transform: translateY(-6px); border-color: rgba(176, 141, 87, 0.55); box-shadow: 0 24px 50px -30px rgba(176, 141, 87, 0.5); }
.series-media { aspect-ratio: 3 / 4; overflow: hidden; background: #f4efe5; }
.series-media img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.6s var(--ease); }
.series-card:hover .series-media img { transform: scale(1.06); }
.series-body { padding: 22px 24px 26px; }
.series-body .tag { font-size: 11px; letter-spacing: 0.16em; text-transform: uppercase; color: var(--gold); font-weight: 500; }
.series-body h3 { margin-top: 10px; font-size: 22px; }
.series-body p:last-child { margin-top: 10px; color: var(--muted); font-size: 14px; }

/* ---------- Collection spotlight ---------- */

.spotlight {
  display: grid;
  grid-template-columns: 1fr 1fr;
  min-height: 560px;
  border-block: 1px solid var(--line-soft);
}
.spotlight-media { position: relative; overflow: hidden; min-height: 360px; }
.spotlight-media img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.spotlight-body {
  display: flex; align-items: center;
  background:
    radial-gradient(700px 360px at 100% 0%, rgba(176, 141, 87, 0.12), transparent 60%),
    var(--bg-deep);
  padding: 60px 0;
}
.spotlight-body .h2 { margin-top: 18px; max-width: 520px; }
.spotlight-body .lead { margin-top: 22px; }
.spotlight-body .btn { margin-top: 34px; }

@media (max-width: 960px) {
  .series { grid-template-columns: repeat(2, 1fr); }
  .spotlight { grid-template-columns: 1fr; }
  .spotlight-media { min-height: 320px; }
}
@media (max-width: 640px) {
  .series { grid-template-columns: 1fr; }
}

/* ---------- Hero badges ---------- */

.hero-badges { display: flex; flex-wrap: wrap; gap: 10px 24px; margin-top: 26px; }
.hero-badges span {
  font-size: 12px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--muted);
  display: inline-flex; align-items: center; gap: 9px; font-weight: 400;
}
.hero-badges span::before { content: ""; width: 5px; height: 5px; border-radius: 50%; background: var(--gold); }

/* ---------- Reveal animation ---------- */

.reveal { opacity: 0; transform: translateY(26px); transition: opacity 0.8s var(--ease), transform 0.8s var(--ease); }
.reveal.is-visible { opacity: 1; transform: none; }

/* ---------- Responsive ---------- */

@media (max-width: 960px) {
  .hero-inner { grid-template-columns: 1fr; }
  .hero-figure { aspect-ratio: 16 / 10; order: -1; }
  .grid-4, .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .stats-inner { grid-template-columns: repeat(2, 1fr); }
  .stat:nth-child(3) { border-left: none; }
}

@media (max-width: 640px) {
  .nav-links, .nav-cta .btn--ghost { display: none; }
  .burger { display: block; }
  .nav-links.open {
    display: flex; flex-direction: column; align-items: flex-start; gap: 20px;
    position: absolute; top: 74px; left: 0; right: 0;
    background: var(--bg); padding: 24px var(--gutter); border-bottom: 1px solid var(--line);
  }
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .step { grid-template-columns: 54px 1fr; gap: 16px; }
  .step .idx { font-size: 32px; }
}

@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition: none !important; }
  .reveal { opacity: 1; transform: none; }
}