:root {
  --bg: #0b0a09;
  --bg-2: #13110e;
  --rock: #1c1916;
  --line: #2e2922;
  --text: #ece6da;
  --muted: #a49a8a;
  --gold: #d4a64a;
  --gold-hi: #f5d88a;
  --copper: #b8734a;
  --radius: 14px;
  --font: 'Readex Pro', system-ui, sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-weight: 300;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
html[lang="en"] body { line-height: 1.65; }
img, svg { display: block; max-width: 100%; }
a { color: inherit; }
h1, h2, h3 { font-weight: 600; line-height: 1.25; margin: 0 0 .6em; }
h2 { font-size: clamp(1.7rem, 3.6vw, 2.6rem); }
h3 { font-size: 1.15rem; }
p { margin: 0 0 1em; }

.wrap { width: min(1160px, 100% - 32px); margin-inline: auto; }
.narrow { width: min(760px, 100% - 32px); }
.skip { position: absolute; inset-inline-start: -999px; top: 8px; background: var(--gold); color: #000; padding: 8px 12px; z-index: 100; border-radius: 6px; }
.skip:focus { inset-inline-start: 8px; }
.gold { color: var(--gold); background: linear-gradient(180deg, var(--gold-hi), var(--gold)); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; }
.eyebrow { color: var(--gold); font-weight: 500; font-size: .85rem; letter-spacing: .08em; margin-bottom: .8rem; }
html[lang="en"] .eyebrow { text-transform: uppercase; letter-spacing: .16em; }
.sub { color: var(--muted); max-width: 640px; }

/* Buttons */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  padding: .8rem 1.5rem; border-radius: 999px; border: 1px solid var(--gold);
  background: linear-gradient(180deg, var(--gold-hi), var(--gold)); color: #1a1408;
  font: 600 1rem var(--font); text-decoration: none; cursor: pointer;
  transition: transform .2s, box-shadow .2s;
}
.btn:hover { transform: translateY(-2px); box-shadow: 0 10px 30px -10px rgba(212,166,74,.6); }
.btn:focus-visible, .lang:focus-visible, a:focus-visible, summary:focus-visible { outline: 2px solid var(--gold-hi); outline-offset: 3px; }
.btn-ghost { background: transparent; color: var(--gold); }
.btn-sm { padding: .45rem 1.1rem; font-size: .9rem; }

/* Nav */
.nav { position: sticky; top: 0; z-index: 50; background: rgba(11,10,9,.82); backdrop-filter: blur(12px); border-bottom: 1px solid var(--line); }
.nav-inner { display: flex; align-items: center; justify-content: space-between; height: 68px; gap: 16px; }
.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; }
.brand-mark { width: 34px; height: 34px; }
.brand-text { display: flex; flex-direction: column; line-height: 1.1; }
.brand-text b { font-size: 1.25rem; font-weight: 700; color: var(--text); }
.brand-text small { font-size: .62rem; letter-spacing: .3em; color: var(--gold); }
.nav-links { display: flex; align-items: center; gap: 22px; }
.nav-links a:not(.btn) { text-decoration: none; color: var(--muted); font-size: .95rem; transition: color .2s; }
.nav-links a:not(.btn):hover { color: var(--gold); }
.lang { background: transparent; border: 1px solid var(--line); color: var(--text); border-radius: 999px; padding: .3rem .8rem; font: 500 .85rem var(--font); cursor: pointer; }
.lang:hover { border-color: var(--gold); color: var(--gold); }
.nav-toggle { display: none; background: none; border: 0; padding: 8px; cursor: pointer; }
.nav-toggle span { display: block; width: 24px; height: 2px; background: var(--text); margin: 5px 0; transition: transform .3s, opacity .3s; }

/* Hero */
.hero { position: relative; min-height: calc(100svh - 68px); display: flex; align-items: center; overflow: hidden; padding: 80px 0 220px;
  background: radial-gradient(ellipse 60% 50% at 50% 30%, rgba(212,166,74,.10), transparent 70%), var(--bg); }
.strata { position: absolute; inset: auto 0 0 0; height: 52%; pointer-events: none; opacity: .9; }
.strata svg { width: 100%; height: 100%; }
.vein-line { stroke-dasharray: 900; stroke-dashoffset: 900; animation: dig 3s ease-out .4s forwards; }
.nuggets circle { animation: glint 3s ease-in-out infinite; }
.nuggets circle:nth-child(2n) { animation-delay: 1.2s; }
@keyframes dig { to { stroke-dashoffset: 0; } }
@keyframes glint { 50% { opacity: .25; } }
.hero-inner { position: relative; text-align: center; }
.hero h1 { font-size: clamp(2.4rem, 7vw, 5rem); font-weight: 700; margin-bottom: .4em; }
.lead { color: var(--muted); font-size: clamp(1.02rem, 1.8vw, 1.2rem); max-width: 680px; margin: 0 auto 2rem; }
.hero-cta { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }

/* Meaning */
.meaning { display: grid; grid-template-columns: 1fr 1.3fr; gap: 56px; align-items: center; padding: 110px 0; }
.meaning-word { font-size: clamp(4rem, 12vw, 9rem); font-weight: 700; line-height: 1; text-align: center;
  background: linear-gradient(180deg, #3a332a 0%, #3a332a 45%, var(--gold) 46%, var(--gold-hi) 100%); -webkit-background-clip: text; background-clip: text; color: transparent; }
.meaning p { color: var(--muted); }
.ore-flow { display: flex; align-items: center; gap: 10px; margin-top: 1.5rem; flex-wrap: wrap; }
.ore-flow i { flex: 1; min-width: 24px; height: 1px; background: linear-gradient(90deg, var(--line), var(--gold)); }
html[dir="rtl"] .ore-flow i { background: linear-gradient(270deg, var(--line), var(--gold)); }
.ore { padding: .35rem .9rem; border-radius: 6px; font-size: .9rem; font-weight: 500; }
.ore.raw { background: #2a251f; color: var(--muted); }
.ore.refined { background: #3b2a1d; color: var(--copper); }
.ore.gold-ore { background: var(--gold); color: #1a1408; }

/* Sections */
.section { padding: 100px 0; border-top: 1px solid var(--line); }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-top: 2.2rem; }
.card { background: linear-gradient(180deg, var(--rock), var(--bg-2)); border: 1px solid var(--line); border-radius: var(--radius); padding: 30px; transition: border-color .3s, transform .3s; }
.card:hover { border-color: rgba(212,166,74,.5); transform: translateY(-4px); }
.card p { color: var(--muted); margin: 0; }
.card .who { color: var(--gold); font-size: .9rem; margin-bottom: .8rem; }
.shaft-num { font-size: 2.6rem; font-weight: 700; color: transparent; -webkit-text-stroke: 1px var(--gold); margin-bottom: .6rem; line-height: 1; }
.card.featured { border-color: rgba(212,166,74,.45); box-shadow: 0 20px 60px -30px rgba(212,166,74,.4); }

/* Journey */
.journey { background: linear-gradient(180deg, var(--bg), #0f0d0b); }
.depth { list-style: none; padding: 0; margin: 2.5rem 0 0; position: relative; }
.depth::before { content: ""; position: absolute; inset-block: 10px; inset-inline-start: 46px; width: 2px; background: linear-gradient(180deg, var(--line), var(--gold)); }
.depth li { display: grid; grid-template-columns: 94px 1fr; gap: 22px; align-items: start; padding: 18px 0; position: relative; }
.d-meter { display: grid; place-items: center; width: 94px; height: 40px; border-radius: 999px; background: var(--rock); border: 1px solid var(--line); color: var(--muted); font-size: .8rem; direction: ltr; position: relative; z-index: 1; }
.depth h3 { margin-bottom: .2em; }
.depth p { color: var(--muted); margin: 0; }
.gold-stage .d-meter { background: var(--gold); color: #1a1408; border-color: var(--gold); font-weight: 700; }
.gold-stage h3 { color: var(--gold); }

/* Services */
.svc { padding: 26px 0; border-top: 1px solid var(--gold); }
.svc p { color: var(--muted); margin: 0; }

/* Partners */
.chips { list-style: none; padding: 0; margin: 2rem 0 0; display: flex; flex-wrap: wrap; gap: 12px; }
.chips li { padding: .7rem 1.3rem; border: 1px solid var(--line); border-radius: 999px; background: var(--rock); }

/* FAQ */
details { border-bottom: 1px solid var(--line); padding: 18px 0; }
summary { cursor: pointer; font-weight: 500; list-style: none; display: flex; justify-content: space-between; gap: 16px; }
summary::-webkit-details-marker { display: none; }
summary::after { content: "+"; color: var(--gold); font-size: 1.3rem; line-height: 1; transition: transform .3s; }
details[open] summary::after { transform: rotate(45deg); }
details p { color: var(--muted); margin: 12px 0 0; }

/* Contact */
.contact { background: radial-gradient(ellipse 50% 60% at 50% 100%, rgba(212,166,74,.12), transparent 70%); }
.contact-inner { display: grid; grid-template-columns: 1fr 1.1fr; gap: 56px; align-items: start; }
.contact-inner > div p { color: var(--muted); }
.form { display: grid; gap: 16px; background: var(--rock); border: 1px solid var(--line); border-radius: var(--radius); padding: 28px; }
.form label { display: grid; gap: 6px; font-size: .9rem; color: var(--muted); }
.form input, .form select, .form textarea { width: 100%; background: var(--bg); border: 1px solid var(--line); color: var(--text); border-radius: 10px; padding: .75rem .9rem; font: 400 1rem var(--font); }
.form input:focus, .form select:focus, .form textarea:focus { outline: none; border-color: var(--gold); }
.form .btn { justify-self: start; }
.form .hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.form { position: relative; }
.form .btn[disabled] { opacity: .6; cursor: wait; transform: none; }
.form-note.error { color: #e8907a; }
.form-note { margin: 0; font-size: .9rem; color: var(--gold); min-height: 1.4em; }

/* Footer */
.footer { border-top: 1px solid var(--line); padding: 36px 0; }
.footer-inner { display: flex; justify-content: space-between; align-items: center; gap: 16px; flex-wrap: wrap; }
.footer p { margin: 0; color: var(--muted); font-size: .9rem; }

/* Reveal */
.reveal { opacity: 0; transform: translateY(18px); transition: opacity .7s, transform .7s; }
.reveal.in { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .vein-line { stroke-dashoffset: 0; }
  .reveal { opacity: 1; transform: none; }
}

@media (max-width: 920px) {
  .nav-toggle { display: block; }
  .nav-links { position: fixed; inset: 68px 0 auto 0; flex-direction: column; align-items: stretch; gap: 0; background: var(--bg); border-bottom: 1px solid var(--line); padding: 8px 16px 20px; transform: translateY(-120%); transition: transform .3s; z-index: -1; }
  .nav-links.open { transform: none; }
  .nav-links a:not(.btn), .nav-links .lang { padding: 14px 4px; border-bottom: 1px solid var(--line); border-radius: 0; text-align: start; }
  .nav-links .lang { border-inline: 0; border-top: 0; }
  .nav-links .btn { margin-top: 14px; }
  .nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
  .nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
  .meaning, .contact-inner { grid-template-columns: 1fr; gap: 32px; }
  .grid-3 { grid-template-columns: 1fr; }
  .section { padding: 72px 0; }
  .meaning { padding: 72px 0; }
}
@media (max-width: 520px) {
  .depth::before { inset-inline-start: 36px; }
  .depth li { grid-template-columns: 74px 1fr; gap: 14px; }
  .d-meter { width: 74px; }
  .hero { padding-bottom: 160px; }
}
