:root {
  --black: #080806;
  --ink: #10100d;
  --card: #151511;
  --gold: #c6a15b;
  --gold-bright: #e2c47c;
  --ivory: #f0eadc;
  --muted: #a59e90;
  --line: rgba(198, 161, 91, .24);
  --serif: "Cormorant Garamond", "Times New Roman", serif;
  --sans: "Noto Sans TC", system-ui, sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--black); color: var(--ivory); font-family: var(--sans); font-size: 16px; line-height: 1.75; overflow-x: hidden; }
a { color: inherit; text-decoration: none; }
button { font: inherit; }
img { display: block; max-width: 100%; }
::selection { background: var(--gold); color: #0a0906; }

.grain { position: fixed; inset: 0; z-index: 20; pointer-events: none; opacity: .035; background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 180 180' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.8'/%3E%3C/svg%3E"); }
.site-header { position: absolute; top: 0; left: 0; z-index: 10; width: 100%; height: 94px; display: flex; align-items: center; justify-content: space-between; padding: 0 clamp(24px, 5vw, 84px); border-bottom: 1px solid rgba(255,255,255,.12); }
.monogram { font: 700 25px/1 var(--serif); letter-spacing: -.06em; color: var(--gold-bright); }
.site-header nav { display: flex; gap: 42px; font-size: .8rem; letter-spacing: .14em; }
.site-header nav a { color: rgba(255,255,255,.72); transition: color .25s; }
.site-header nav a:hover, .header-contact:hover { color: var(--gold-bright); }
.header-contact { font-size: .78rem; letter-spacing: .12em; text-transform: uppercase; }
.header-contact span { color: var(--gold); padding-left: 7px; }

.hero { min-height: 100svh; position: relative; display: grid; align-items: center; overflow: hidden; }
.hero-image { position: absolute; inset: 0; background: url("assets/hero-study.png") 54% center / cover no-repeat; transform: scale(1.015); animation: settle 2s ease-out both; }
.hero-shade { position: absolute; inset: 0; background: linear-gradient(90deg, rgba(4,4,3,.96) 0%, rgba(6,6,5,.79) 36%, rgba(7,7,6,.14) 68%, rgba(7,7,6,.35) 100%), linear-gradient(0deg, rgba(6,6,5,.78) 0%, transparent 38%); }
.hero-copy { position: relative; z-index: 2; padding: 128px clamp(24px, 8vw, 140px) 78px; max-width: 760px; }
.eyebrow, .chapter { margin: 0 0 24px; color: var(--gold-bright); font-size: .72rem; font-weight: 600; letter-spacing: .2em; text-transform: uppercase; }
.eyebrow { display: flex; align-items: center; gap: 12px; }
.eyebrow span { width: 34px; height: 1px; background: var(--gold); }
.hero h1 { margin: 0; font: 600 clamp(6.5rem, 14vw, 12.5rem)/.74 var(--serif); letter-spacing: -.07em; text-shadow: 0 12px 45px rgba(0,0,0,.35); }
.hero h1 span { color: var(--gold-bright); }
.hero-role { margin: 38px 0 0; font: 600 clamp(1.25rem, 2vw, 1.75rem)/1.35 var(--serif); letter-spacing: .04em; }
.hero-role i { color: var(--gold); font-style: normal; padding: 0 4px; }
.hero-intro { max-width: 560px; margin: 22px 0 32px; color: #c5bfb3; font-size: .95rem; line-height: 1.9; }
.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; }
.button { min-height: 52px; padding: 0 25px; display: inline-flex; align-items: center; gap: 28px; border: 1px solid var(--gold); cursor: pointer; letter-spacing: .07em; transition: .25s ease; }
.button-gold { background: var(--gold); color: #100e09; }
.button-gold:hover { background: var(--gold-bright); border-color: var(--gold-bright); transform: translateY(-2px); }
.button-ghost { background: rgba(8,8,6,.35); color: var(--ivory); border-color: rgba(255,255,255,.24); backdrop-filter: blur(8px); }
.button-ghost:hover { border-color: var(--gold); color: var(--gold-bright); }
.hero-index { position: absolute; z-index: 2; right: clamp(24px, 5vw, 84px); bottom: 48px; display: flex; align-items: center; gap: 12px; color: #cfc6b4; font: 600 .7rem var(--serif); letter-spacing: .1em; }
.hero-index i { width: 70px; height: 1px; background: linear-gradient(90deg, var(--gold) 25%, rgba(255,255,255,.26) 25%); }

.section { width: min(1180px, calc(100% - 48px)); margin: 0 auto; padding: 120px 0; }
.section-kicker { margin-bottom: 72px; padding-bottom: 18px; border-bottom: 1px solid var(--line); color: var(--muted); font: 600 .7rem var(--sans); letter-spacing: .18em; text-transform: uppercase; }
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(48px, 10vw, 150px); }
h2 { margin: 0; font: 600 clamp(3.2rem, 6vw, 5.8rem)/.94 var(--serif); letter-spacing: -.045em; }
h2 em { color: var(--gold-bright); font-weight: 500; }
.about-copy { padding-top: 44px; color: #bab3a6; }
.about-copy > p { margin: 0 0 22px; max-width: 560px; }
.tags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 36px; }
.tags span { border: 1px solid var(--line); padding: 8px 13px; color: #d3ccbf; font-size: .72rem; letter-spacing: .06em; }

.access { border-top: 1px solid var(--line); }
.section-heading { display: flex; align-items: end; justify-content: space-between; gap: 40px; margin-bottom: 56px; }
.section-heading > p { max-width: 450px; color: var(--muted); font-size: .9rem; }
.section-heading h2 { font-size: clamp(3rem, 5vw, 4.7rem); }
.featured-link { min-height: 210px; display: grid; grid-template-columns: 120px 1fr auto; align-items: center; gap: 32px; padding: 40px; background: radial-gradient(circle at 15% 10%, rgba(198,161,91,.14), transparent 33%), linear-gradient(135deg, #191711, #0f0f0c); border: 1px solid rgba(198,161,91,.4); }
.seal { width: 96px; aspect-ratio: 1; border: 1px solid var(--gold); border-radius: 50%; display: grid; place-items: center; outline: 1px solid rgba(198,161,91,.28); outline-offset: -8px; }
.seal span { font: 600 2rem var(--serif); color: var(--gold-bright); }
.label { color: var(--gold); font-size: .65rem; letter-spacing: .18em; text-transform: uppercase; }
.featured-link h3 { margin: 4px 0 0; font: 600 3.4rem/.9 var(--serif); }
.featured-link p { margin: 12px 0 0; color: var(--muted); }
.featured-link > a { padding: 16px 0 12px; border-bottom: 1px solid var(--gold); color: var(--gold-bright); font-size: .83rem; letter-spacing: .08em; }
.featured-link > a span { margin-left: 22px; }
.exchange-grid { display: grid; grid-template-columns: 1fr 1fr; border-left: 1px solid var(--line); margin-top: 24px; }
.exchange-card { min-height: 130px; display: grid; grid-template-columns: 48px 1fr auto; align-items: center; gap: 18px; padding: 24px 28px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); transition: .3s ease; }
.exchange-card:nth-child(-n+2) { border-top: 1px solid var(--line); }
.exchange-card:hover { background: #14130f; color: var(--gold-bright); }
.exchange-card .num { color: var(--gold); font: 500 .7rem var(--serif); }
.exchange-card h3 { margin: 0; font: 600 1.8rem var(--serif); }
.exchange-card p { margin: 3px 0 0; color: var(--muted); font-size: .72rem; text-transform: uppercase; letter-spacing: .1em; }
.exchange-card .arrow { font-size: 1.1rem; }
.disclaimer { margin: 24px 0 0; color: #777268; font-size: .72rem; line-height: 1.7; }

.gallery { border-top: 1px solid var(--line); }
.gallery-heading > a { color: var(--gold-bright); font-size: .82rem; border-bottom: 1px solid var(--gold); padding-bottom: 8px; }
.gallery-heading > a span { margin-left: 14px; }
.nft-grid { display: grid; grid-template-columns: 1.15fr .85fr; gap: 24px; }
.nft-card { display: grid; grid-template-columns: 45% 1fr; min-height: 250px; background: #11110e; border: 1px solid var(--line); overflow: hidden; transition: transform .3s, border-color .3s; }
.nft-card:hover { transform: translateY(-4px); border-color: var(--gold); }
.nft-card figure { margin: 0; overflow: hidden; min-height: 240px; }
.nft-card img { width: 100%; height: 100%; object-fit: cover; filter: saturate(.72) sepia(.12); transition: transform .6s, filter .4s; }
.nft-card:hover img { transform: scale(1.035); filter: saturate(.95); }
.nft-card > div { align-self: end; padding: 26px; }
.nft-card span { color: var(--gold); font-size: .62rem; letter-spacing: .12em; text-transform: uppercase; }
.nft-card h3 { margin: 8px 0 0; font: 600 1.7rem/1.05 var(--serif); }
.nft-tall { grid-row: span 2; display: block; }
.nft-tall figure { height: 600px; }
.nft-tall > div { margin-top: -112px; position: relative; padding: 68px 34px 32px; background: linear-gradient(transparent, rgba(8,8,6,.94) 55%); }
.nft-tall h3 { font-size: 2.2rem; }

.connect { text-align: center; border-top: 1px solid var(--line); }
.connect > img { width: 94px; height: 94px; object-fit: cover; border-radius: 50%; margin: 0 auto 28px; border: 1px solid var(--gold); padding: 5px; }
.connect h2 { font-size: clamp(3.2rem, 6vw, 5.4rem); }
.social-row { display: grid; grid-template-columns: repeat(4, 1fr); border: 1px solid var(--line); margin-top: 62px; text-align: left; }
.social-row a { display: flex; flex-direction: column; min-height: 120px; justify-content: center; padding: 24px; border-right: 1px solid var(--line); transition: .25s; }
.social-row a:last-child { border: 0; }
.social-row a:hover { background: var(--gold); color: #0c0b08; }
.social-row span { font: 600 1.35rem var(--serif); }
.social-row small { color: var(--muted); font-size: .7rem; margin-top: 3px; }
.social-row a:hover small { color: #44361e; }

footer { min-height: 120px; display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; gap: 30px; padding: 24px clamp(24px, 5vw, 84px); border-top: 1px solid var(--line); color: #716c63; font-size: .67rem; letter-spacing: .1em; text-transform: uppercase; }
footer p:last-child { justify-self: end; }
.toast { position: fixed; z-index: 30; left: 50%; bottom: 28px; transform: translate(-50%, 30px); padding: 13px 20px; background: var(--gold-bright); color: #0b0a07; font-size: .8rem; opacity: 0; pointer-events: none; transition: .3s; box-shadow: 0 12px 35px rgba(0,0,0,.35); }
.toast.show { opacity: 1; transform: translate(-50%, 0); }

@keyframes settle { from { opacity: .4; transform: scale(1.05); } to { opacity: 1; transform: scale(1.015); } }

@media (max-width: 820px) {
  .site-header { height: 74px; }
  .site-header nav { display: none; }
  .hero { min-height: 890px; align-items: end; }
  .hero-image { background-position: 62% center; }
  .hero-shade { background: linear-gradient(0deg, rgba(5,5,4,.98) 0%, rgba(5,5,4,.73) 50%, rgba(5,5,4,.16) 82%); }
  .hero-copy { padding: 0 24px 72px; }
  .hero h1 { font-size: clamp(6rem, 30vw, 9rem); }
  .hero-intro br { display: none; }
  .hero-index { display: none; }
  .section { width: min(100% - 36px, 600px); padding: 88px 0; }
  .section-kicker { margin-bottom: 48px; }
  .about-grid, .section-heading { display: block; }
  .about-copy { padding-top: 36px; }
  .section-heading > p { margin-top: 28px; }
  .featured-link { grid-template-columns: 72px 1fr; padding: 28px 22px; }
  .seal { width: 64px; }
  .featured-link > a { grid-column: 1 / -1; }
  .exchange-grid { grid-template-columns: 1fr; }
  .exchange-card:nth-child(2) { border-top: 0; }
  .nft-grid { grid-template-columns: 1fr; }
  .nft-tall { grid-row: auto; }
  .nft-tall figure { height: 500px; }
  .social-row { grid-template-columns: 1fr 1fr; }
  .social-row a:nth-child(2) { border-right: 0; }
  .social-row a:nth-child(-n+2) { border-bottom: 1px solid var(--line); }
  footer { grid-template-columns: auto 1fr; }
  footer p:nth-child(2) { display: none; }
}

@media (max-width: 480px) {
  .header-contact { font-size: .68rem; }
  .hero { min-height: 820px; }
  .hero-actions { display: grid; }
  .button { justify-content: space-between; width: 100%; }
  h2 { font-size: 3.1rem; }
  .nft-card { grid-template-columns: 42% 1fr; }
  .nft-card h3 { font-size: 1.35rem; }
  .nft-tall { display: block; }
  .nft-tall figure { height: 440px; }
  .social-row { grid-template-columns: 1fr; }
  .social-row a { border-right: 0; border-bottom: 1px solid var(--line); }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; }
}