/* Sheikhi Jewelry — Public showcase landing */
:root {
  --gold: #d4af37;
  --gold-2: #e8d48b;
  --gold-dark: #8b6914;
  --gold-glow: rgba(212, 175, 55, 0.35);
  --bg: #0a0908;
  --bg-elev: #12100e;
  --card: rgba(255, 255, 255, 0.03);
  --text: #faf7f0;
  --muted: #a39a8c;
  --line: rgba(255, 255, 255, 0.08);
  --radius: 20px;
  --radius-sm: 12px;
  --font: "Vazirmatn", system-ui, -apple-system, sans-serif;
  --max: 1120px;
  --shadow: 0 24px 80px rgba(0, 0, 0, 0.55);
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.75;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
button { font-family: inherit; }

.wrap {
  width: min(var(--max), calc(100% - 40px));
  margin-inline: auto;
}

.bg-mesh {
  position: fixed;
  inset: 0;
  z-index: -2;
  background:
    radial-gradient(ellipse 80% 50% at 50% -20%, rgba(212, 175, 55, 0.18), transparent 55%),
    radial-gradient(ellipse 50% 40% at 100% 20%, rgba(184, 134, 11, 0.08), transparent 50%),
    radial-gradient(ellipse 40% 30% at 0% 60%, rgba(250, 247, 240, 0.04), transparent 45%),
    var(--bg);
}
.bg-grid {
  position: fixed;
  inset: 0;
  z-index: -1;
  background-image:
    linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse 70% 60% at 50% 30%, black, transparent);
  pointer-events: none;
}

.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s, background 0.3s, backdrop-filter 0.3s;
}
.nav.scrolled {
  background: rgba(10, 9, 8, 0.78);
  backdrop-filter: blur(20px) saturate(1.4);
  border-bottom-color: var(--line);
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: 72px;
}
.logo {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}
.logo img {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  object-fit: cover;
  box-shadow: 0 0 0 1px rgba(212,175,55,0.35);
}
.logo span {
  display: inline-block;
  margin-inline-start: 0.35rem;
  padding: 0.15rem 0.45rem;
  border-radius: 999px;
  font-size: 0.68rem;
  font-weight: 600;
  color: var(--gold-2);
  background: rgba(212,175,55,0.12);
  border: 1px solid rgba(212,175,55,0.25);
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 0.35rem 1rem;
  flex-wrap: wrap;
  justify-content: flex-end;
}
.nav-links > a:not(.btn) {
  color: var(--muted);
  font-size: 0.92rem;
  font-weight: 500;
  transition: color 0.2s;
}
.nav-links > a:not(.btn):hover { color: var(--text); }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  min-height: 44px;
  padding: 0.55rem 1.1rem;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.9rem;
  border: 1px solid transparent;
  transition: transform 0.2s, box-shadow 0.2s, background 0.2s, border-color 0.2s;
  cursor: pointer;
}
.btn:hover { transform: translateY(-1px); }
.btn-primary {
  background: linear-gradient(135deg, var(--gold), #b8860b);
  color: #1a1408;
  box-shadow: 0 8px 28px rgba(212,175,55,0.28);
}
.btn-ghost {
  background: rgba(255,255,255,0.04);
  border-color: var(--line);
  color: var(--text);
}
.btn-lg { min-height: 52px; padding-inline: 1.35rem; font-size: 0.98rem; }

.hero {
  padding: 4.5rem 0 3rem;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 2.5rem;
  align-items: center;
}
.pill {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  padding: 0.4rem 0.85rem;
  border-radius: 999px;
  background: rgba(212,175,55,0.1);
  border: 1px solid rgba(212,175,55,0.22);
  color: var(--gold-2);
  font-size: 0.82rem;
  font-weight: 600;
  margin-bottom: 1.25rem;
}
.pill-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--gold);
  box-shadow: 0 0 0 4px rgba(212,175,55,0.18);
  animation: pulse 1.8s ease infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.45; }
}
.hero h1 {
  margin: 0 0 1rem;
  font-size: clamp(1.9rem, 4.5vw, 3rem);
  line-height: 1.25;
  letter-spacing: -0.03em;
  font-weight: 800;
}
.hero h1 .grad {
  display: block;
  background: linear-gradient(120deg, var(--gold-2), var(--gold), #fff3c4);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.lead {
  color: var(--muted);
  font-size: 1.05rem;
  max-width: 36rem;
  margin: 0 0 1.5rem;
}
.cta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 1.75rem;
}
.trust-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1.25rem;
}
.trust-item {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--muted);
  font-size: 0.88rem;
}
.trust-item strong { color: var(--text); font-weight: 600; }
.trust-item .ico { font-size: 1.1rem; }

.device {
  position: relative;
  border-radius: 22px;
  background: linear-gradient(160deg, rgba(255,255,255,0.08), rgba(255,255,255,0.02));
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
  overflow: hidden;
}
.device-bar {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.75rem 1rem;
  background: rgba(0,0,0,0.35);
  border-bottom: 1px solid var(--line);
}
.device-bar .dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}
.device-bar .dot.r { background: #ff5f57; }
.device-bar .dot.y { background: #febc2e; }
.device-bar .dot.g { background: #28c840; }
.device-bar .title {
  margin-inline-start: 0.5rem;
  font-size: 0.78rem;
  color: var(--muted);
}
.device-screen {
  aspect-ratio: 16 / 11;
  background:
    radial-gradient(circle at 70% 30%, rgba(212,175,55,0.18), transparent 40%),
    linear-gradient(160deg, #faf7f0, #f3ede3);
  display: grid;
  place-items: center;
  padding: 1.5rem;
  position: relative;
}
.device-screen .mock-logo {
  width: min(180px, 42%);
  filter: drop-shadow(0 12px 30px rgba(26,22,18,0.18));
}
.device-screen .mock-caption {
  position: absolute;
  bottom: 1rem;
  inset-inline: 1rem;
  text-align: center;
  color: #5c4a1f;
  font-size: 0.82rem;
  font-weight: 600;
}
.float-card {
  position: absolute;
  background: rgba(255,252,247,0.94);
  border: 1px solid rgba(184,134,11,0.2);
  border-radius: 14px;
  padding: 0.7rem 0.9rem;
  box-shadow: 0 12px 32px rgba(26,22,18,0.12);
  color: #1a1612;
  min-width: 118px;
}
.float-card .label { font-size: 0.72rem; color: rgba(26,22,18,0.55); }
.float-card .val { font-weight: 800; font-size: 1rem; color: #8b6914; }
.float-card.a { top: 14%; left: 8%; }
.float-card.b { bottom: 18%; right: 8%; }

.stats-bar {
  margin-top: 3rem;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}
.stat-cell {
  background: var(--bg-elev);
  padding: 1.25rem 1rem;
  text-align: center;
}
.stat-cell .n {
  font-size: 1.55rem;
  font-weight: 800;
  color: var(--gold-2);
  letter-spacing: -0.02em;
}
.stat-cell .l {
  color: var(--muted);
  font-size: 0.82rem;
  margin-top: 0.2rem;
}

section.block {
  padding: 4rem 0;
}
.section-head {
  max-width: 40rem;
  margin-bottom: 2rem;
}
.section-head .eyebrow {
  color: var(--gold);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.04em;
}
.section-head h2 {
  margin: 0.4rem 0 0.6rem;
  font-size: clamp(1.45rem, 3vw, 2rem);
  letter-spacing: -0.02em;
}
.section-head p { color: var(--muted); margin: 0; }

.grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}
.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.35rem 1.4rem;
  transition: border-color 0.2s, transform 0.2s;
}
.card:hover {
  border-color: rgba(212,175,55,0.28);
  transform: translateY(-2px);
}
.card h3 {
  margin: 0 0 0.55rem;
  font-size: 1.05rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.card p, .card li {
  color: var(--muted);
  font-size: 0.92rem;
  margin: 0;
}
.card ul {
  margin: 0;
  padding-inline-start: 1.1rem;
  display: grid;
  gap: 0.35rem;
}

.lock-box {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 1.25rem;
  align-items: stretch;
}
.lock-panel {
  background: linear-gradient(145deg, rgba(212,175,55,0.08), rgba(255,255,255,0.02));
  border: 1px solid rgba(212,175,55,0.22);
  border-radius: var(--radius);
  padding: 1.75rem;
}
.lock-panel h3 { margin-top: 0; }
.lock-panel .matrix {
  width: 100%;
  border-collapse: collapse;
  margin-top: 1rem;
  font-size: 0.9rem;
}
.lock-panel .matrix th,
.lock-panel .matrix td {
  text-align: right;
  padding: 0.65rem 0.4rem;
  border-bottom: 1px solid var(--line);
}
.lock-panel .matrix th { color: var(--muted); font-weight: 500; }
.badge-ok { color: #34d399; }
.badge-lock { color: #fbbf24; }

.arch {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}
.arch-item {
  text-align: center;
  padding: 1.5rem 1rem;
  border-radius: var(--radius);
  background: var(--card);
  border: 1px solid var(--line);
}
.arch-item .num {
  width: 36px;
  height: 36px;
  margin: 0 auto 0.75rem;
  border-radius: 10px;
  display: grid;
  place-items: center;
  background: rgba(212,175,55,0.12);
  color: var(--gold-2);
  font-weight: 800;
}
.arch-item h3 { margin: 0 0 0.4rem; font-size: 1rem; }
.arch-item p { margin: 0; color: var(--muted); font-size: 0.88rem; }

.contact {
  background: linear-gradient(180deg, transparent, rgba(212,175,55,0.06));
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.contact-card {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1.25rem;
  padding: 2rem;
  border-radius: var(--radius);
  background: var(--bg-elev);
  border: 1px solid var(--line);
}
.contact-card h2 { margin: 0 0 0.35rem; }
.contact-card p { margin: 0; color: var(--muted); }
.contact-actions { display: flex; flex-wrap: wrap; gap: 0.65rem; }

.site-footer {
  padding: 2rem 0 2.5rem;
  color: var(--muted);
  font-size: 0.88rem;
}
.site-footer .foot-inner {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 1rem;
  align-items: center;
}
.site-footer a { color: var(--gold-2); }

.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal.visible {
  opacity: 1;
  transform: none;
}

@media (max-width: 900px) {
  .hero-grid,
  .lock-box,
  .grid-2,
  .arch { grid-template-columns: 1fr; }
  .stats-bar { grid-template-columns: 1fr 1fr; }
  .nav-links > a:not(.btn) { display: none; }
  .hero { padding-top: 2.5rem; }
  .float-card { display: none; }
}
@media (max-width: 480px) {
  .wrap { width: calc(100% - 28px); }
  .stats-bar { grid-template-columns: 1fr; }
  .cta .btn { width: 100%; }
}