:root {
  --black: #050505;
  --ink: #111111;
  --panel: #171311;
  --hot: #ff4500;
  --hot-dark: #9f2100;
  --blush: #ffe0e0;
  --warm: #f2ded8;
  --muted: #a99e99;
  --line: rgba(255, 224, 224, .18);
  --glass: rgba(24, 19, 17, .78);
  --serif: Georgia, "Times New Roman", "Noto Serif SC", serif;
  --sans: Inter, "Segoe UI", "Microsoft YaHei", sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; background: var(--black); }
body { margin: 0; color: var(--blush); background: var(--black); font-family: var(--sans); overflow-x: hidden; }
a { color: inherit; text-decoration: none; }
img { display: block; width: 100%; }

body::before {
  position: fixed; inset: 0; z-index: 50; pointer-events: none; content: ""; opacity: .12;
  background-image: radial-gradient(rgba(255, 224, 224, .36) .65px, transparent .65px);
  background-size: 8px 8px;
  mask-image: linear-gradient(to right, transparent, #000 30%, transparent 82%);
}

.site-header {
  position: fixed; z-index: 40; top: 18px; left: 50%; width: min(1180px, calc(100% - 96px)); height: 66px;
  display: flex; align-items: center; justify-content: space-between; gap: 22px; padding: 0 18px 0 22px;
  border: 1px solid rgba(255,224,224,.18); background: rgba(5,5,5,.82);
  backdrop-filter: blur(18px); transform: translateX(-50%);
}
.brand { display: grid; grid-template-columns: 10px auto; column-gap: 11px; align-items: center; }
.brand-pulse { grid-row: span 2; width: 8px; height: 27px; background: var(--hot); }
.brand-name { font-family: var(--serif); font-size: 16px; letter-spacing: .05em; }
.brand-code { font-size: 8px; letter-spacing: .18em; color: var(--muted); }
.site-header nav { display: flex; gap: 28px; font-size: 12px; color: #cfc2bc; }
.site-header nav a { transition: color .25s, transform .25s; }
.site-header nav a:hover { color: var(--hot); transform: translateY(-2px); }
.header-action { padding: 11px 16px; border: 1px solid rgba(255,69,0,.52); border-radius: 999px; color: var(--blush); font-size: 12px; transition: background .25s, color .25s; }
.header-action:hover { color: var(--black); background: var(--hot); }
.mobile-nav { display: none; position: relative; }
.mobile-nav summary { padding: 9px 12px; border: 1px solid rgba(255,69,0,.52); color: var(--blush); font-size: 10px; cursor: pointer; list-style: none; }
.mobile-nav summary::-webkit-details-marker { display: none; }
.mobile-nav nav { position: absolute; top: calc(100% + 12px); right: 0; width: 176px; display: grid; gap: 0; padding: 8px 14px; border: 1px solid rgba(255,224,224,.18); background: rgba(5,5,5,.97); }
.mobile-nav nav a { padding: 11px 0; border-bottom: 1px solid rgba(255,224,224,.12); color: #d9cac2; font-size: 11px; }
.mobile-nav nav a:last-child { border-bottom: 0; }

.page-index { position: fixed; z-index: 35; left: 17px; top: 50%; display: flex; flex-direction: column; align-items: center; gap: 14px; transform: translateY(-50%); }
.page-index > span, .page-index > i { color: #746861; font-size: 8px; font-style: normal; letter-spacing: .2em; writing-mode: vertical-rl; }
.page-index nav { display: grid; gap: 4px; padding: 7px; border: 1px solid rgba(255,224,224,.12); background: rgba(5,5,5,.62); backdrop-filter: blur(10px); }
.page-index a { display: grid; width: 25px; height: 25px; place-items: center; color: #756b66; font-size: 8px; transition: .25s; }
.page-index a:hover { color: var(--black); background: var(--hot); transform: scale(1.1); }

main { width: 100%; }
section { position: relative; min-height: 820px; padding: 132px max(7vw, 84px) 96px; overflow: clip; scroll-margin-top: 0; }
.section-dark { background: var(--black); }
.section-ink { background: var(--ink); }
.section-warm { color: var(--ink); background: var(--warm); }
.section-dark::after, .section-ink::after {
  position: absolute; content: ""; width: 640px; height: 640px; border-radius: 50%; pointer-events: none;
  background: radial-gradient(circle, rgba(255,69,0,.22), rgba(255,69,0,0) 68%); filter: blur(10px);
}
.section-dark::after { top: -280px; right: -190px; }
.section-ink::after { bottom: -310px; left: -210px; }

.eyebrow { display: flex; align-items: center; gap: 14px; margin: 0 0 26px; color: var(--hot); font-size: 10px; font-weight: 700; letter-spacing: .22em; text-transform: uppercase; }
.eyebrow span { font: 400 30px/1 var(--serif); color: currentColor; letter-spacing: 0; }
h1, h2 { margin: 0; font-family: var(--serif); font-weight: 400; letter-spacing: -.045em; line-height: .98; }
h1 { font-size: clamp(64px, 7.2vw, 114px); }
h2 { font-size: clamp(50px, 5.4vw, 82px); }
h1 em, h2 em { color: var(--hot); font-weight: 400; }
p { line-height: 1.85; }
.lead { max-width: 640px; margin: 32px 0; color: #c6b9b2; font-size: 15px; }
.button { display: inline-flex; align-items: center; justify-content: space-between; gap: 34px; min-width: 204px; padding: 15px 18px; border-radius: 999px; font-size: 12px; font-weight: 700; letter-spacing: .08em; transition: transform .25s, box-shadow .25s; }
.button:hover { transform: translateY(-3px); box-shadow: 0 16px 38px rgba(255,69,0,.28); }
.button-hot { color: var(--black); background: var(--hot); }
.actions { display: flex; align-items: center; gap: 28px; }
.text-link { padding-bottom: 6px; border-bottom: 1px solid #85766e; color: #d9cac2; font-size: 12px; }

.media { position: relative; z-index: 2; margin: 0; border: 1px solid var(--line); background: #0a0908; overflow: hidden; }
.media img { height: 100%; object-fit: cover; transition: transform .8s cubic-bezier(.2,.8,.2,1), filter .6s; }
.media:hover img { transform: scale(1.025); filter: saturate(1.08); }

.hero { min-height: 980px; display: grid; grid-template-columns: minmax(440px, .95fr) minmax(520px, 1.3fr); align-items: center; gap: 5vw; padding-top: 150px; }
.hero-copy { position: relative; z-index: 3; }
.hero-media { height: 640px; transform: rotate(1.4deg); }
.hero-media::before { position: absolute; z-index: 2; inset: 0; content: ""; box-shadow: inset 0 0 0 1px rgba(255,69,0,.24); pointer-events: none; }
.hero-status { position: absolute; z-index: 4; right: 5.5vw; bottom: 56px; width: 338px; padding: 22px; border: 1px solid rgba(255,224,224,.18); border-left: 3px solid var(--hot); background: var(--glass); backdrop-filter: blur(16px); }
.hero-status small { color: var(--hot); font-size: 9px; letter-spacing: .2em; }
.hero-status strong, .hero-status span { display: block; }
.hero-status strong { margin: 10px 0 8px; font-family: var(--serif); font-size: 22px; font-weight: 400; }
.hero-status span { color: #a99d97; font-size: 11px; line-height: 1.7; }

.product-evidence { display: grid; grid-template-columns: .88fr 1.2fr; gap: 6vw; align-items: start; }
.section-heading { position: relative; z-index: 2; }
.section-heading > p:last-child { max-width: 560px; color: #aaa09a; font-size: 13px; }
.detail-media { height: 600px; }
.evidence-card { position: absolute; z-index: 4; left: 9vw; bottom: 86px; width: min(410px, 36vw); padding: 28px; border: 1px solid rgba(255,224,224,.17); border-left: 3px solid var(--hot); background: var(--glass); backdrop-filter: blur(16px); }
.card-kicker { color: var(--hot); font-size: 8px; letter-spacing: .22em; }
.evidence-card h3 { margin: 14px 0 8px; font: 400 30px var(--serif); }
.evidence-card p { color: #a99e98; font-size: 12px; }
.evidence-card a { display: flex; justify-content: space-between; margin-top: 18px; padding-top: 14px; border-top: 1px solid rgba(255,224,224,.14); color: var(--hot); font-size: 11px; }

.product-family { display: grid; grid-template-columns: .95fr 1.1fr; gap: 6vw; align-items: center; }
.family-copy { position: relative; z-index: 3; }
.family-copy > p { max-width: 600px; color: #aa9d97; font-size: 13px; }
.family-media { height: 650px; transform: rotate(-1deg); }
.product-list { margin-top: 34px; border-top: 1px solid var(--line); }
.product-list article { display: grid; grid-template-columns: 34px 1fr auto; gap: 14px; align-items: center; padding: 17px 0; border-bottom: 1px solid var(--line); }
.product-list b { color: var(--hot); font: 400 18px var(--serif); }
.product-list h3 { margin: 0 0 5px; font: 400 19px var(--serif); }
.product-list p { margin: 0; color: #796e69; font-size: 10px; }
.product-list span { color: #776c67; font-size: 9px; }

.context { display: grid; grid-template-columns: 1.24fr .76fr; gap: 6vw; align-items: center; }
.context-media { height: 610px; border-color: rgba(17,17,17,.16); }
.context-copy { position: relative; z-index: 2; }
.context-copy > p { color: #69544c; font-size: 13px; }
.context-notes { display: grid; gap: 0; margin-top: 28px; border-top: 1px solid rgba(17,17,17,.18); }
.context-notes span { padding: 15px 0; border-bottom: 1px solid rgba(17,17,17,.18); color: #4c3730; font-size: 11px; }

.process { display: grid; grid-template-columns: .96fr 1.1fr; gap: 6vw; align-items: center; }
.process-copy { position: relative; z-index: 3; }
.process-copy > p { color: #a89d97; font-size: 13px; }
blockquote { margin: 22px 0; padding: 20px 22px; border-left: 3px solid var(--hot); color: var(--blush); background: rgba(255,69,0,.08); font: 400 18px/1.7 var(--serif); }
.plan-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0; border-top: 1px solid var(--line); }
.plan-grid div { padding: 15px 15px 15px 0; border-bottom: 1px solid var(--line); background: transparent; }
.plan-grid small, .plan-grid strong { display: block; }
.plan-grid small { margin-bottom: 8px; color: #716762; font-size: 9px; }
.plan-grid strong { font: 400 14px var(--serif); }
.boundary-note { padding-left: 14px; border-left: 1px solid var(--hot); }
.process-media { height: 670px; }

.records { min-height: 1000px; display: grid; grid-template-columns: .8fr 1.2fr; grid-template-rows: auto 1fr; gap: 34px 6vw; }
.records-heading { grid-column: 1 / -1; }
.records-media { height: 610px; }
.record-list { position: relative; z-index: 3; align-self: center; }
.record-list article { display: grid; grid-template-columns: 130px 1fr auto; gap: 18px; align-items: center; padding: 21px 0; border-bottom: 1px solid var(--line); }
.record-list article:first-child { border-top: 1px solid var(--line); }
.record-list span { color: var(--hot); font-size: 8px; letter-spacing: .14em; }
.record-list strong { font: 400 16px var(--serif); }
.record-list i { color: #766b65; font-size: 9px; font-style: normal; }

.about { display: grid; grid-template-columns: 1fr 1fr; gap: 6vw; align-items: center; }
.about-copy { position: relative; z-index: 3; }
.about-copy > p { color: #6b554d; font-size: 13px; }
.about-media { height: 660px; border-color: rgba(17,17,17,.16); }
.boundary-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 0; margin-top: 30px; border-top: 1px solid rgba(17,17,17,.18); }
.boundary-grid article { min-height: 106px; padding: 17px 17px 17px 0; border-bottom: 1px solid rgba(17,17,17,.18); background: transparent; }
.boundary-grid span, .boundary-grid strong { display: block; }
.boundary-grid span { margin-bottom: 15px; color: var(--hot-dark); font-size: 9px; letter-spacing: .12em; }
.boundary-grid strong { font: 400 15px/1.5 var(--serif); }

.contact { min-height: 1000px; display: grid; grid-template-columns: .9fr 1.1fr; gap: 6vw; align-items: center; padding-bottom: 150px; }
.contact-copy { position: relative; z-index: 3; }
.contact-copy > p { max-width: 620px; color: #aa9d97; font-size: 13px; }
.contact-media { height: 660px; }
.contact footer { position: absolute; right: max(7vw,84px); bottom: 42px; left: max(7vw,84px); display: flex; justify-content: space-between; padding-top: 18px; border-top: 1px solid var(--line); color: #6f6560; font-size: 9px; letter-spacing: .08em; }

@media (max-width: 1050px) {
  .site-header { width: calc(100% - 36px); }
  .site-header > nav, .brand-code, .page-index, .header-action { display: none; }
  .mobile-nav { display: block; }
  .mobile-nav nav { display: grid; }
  section { padding-right: 5vw; padding-left: 5vw; }
  .hero { grid-template-columns: 1fr; padding-top: 132px; }
  .hero-media { height: 500px; }
  .hero-status { right: 7vw; bottom: 70px; }
  .product-evidence, .product-family, .context, .process, .about, .contact { grid-template-columns: 1fr 1fr; gap: 4vw; }
  .contact footer { right: 5vw; left: 5vw; }
}

@media (max-width: 720px) {
  .site-header { top: 10px; height: 56px; padding: 0 12px 0 16px; }
  .brand-name { font-size: 14px; }
  .header-action { padding: 9px 12px; font-size: 10px; }
  section { min-height: auto; padding: 98px 20px 76px; }
  h1 { font-size: 53px; }
  h2 { font-size: 43px; }
  .eyebrow { margin-bottom: 19px; font-size: 8px; }
  .eyebrow span { font-size: 24px; }
  .hero { display: flex; min-height: 920px; flex-direction: column; align-items: stretch; gap: 32px; padding-top: 116px; }
  .lead { margin: 24px 0; font-size: 13px; }
  .actions { align-items: flex-start; flex-direction: column; gap: 18px; }
  .hero-media { height: 380px; transform: none; }
  .hero-status { position: static; width: 100%; }
  .product-evidence, .product-family, .context, .process, .records, .about, .contact { display: flex; flex-direction: column; gap: 28px; }
  .section-heading > p:last-child, .family-copy > p, .context-copy > p, .process-copy > p, .about-copy > p, .contact-copy > p { font-size: 12px; }
  .detail-media, .family-media, .context-media, .process-media, .records-media, .about-media, .contact-media { width: 100%; height: 360px; transform: none; }
  .evidence-card { position: relative; left: auto; bottom: auto; width: 100%; }
  .product-list article { grid-template-columns: 28px 1fr; }
  .product-list span { grid-column: 2; }
  .context .context-media { order: 2; }
  .plan-grid { grid-template-columns: 1fr; }
  .records { min-height: auto; }
  .records-heading { order: 1; }
  .records-media { order: 2; }
  .record-list { order: 3; width: 100%; }
  .record-list article { grid-template-columns: 1fr auto; gap: 8px; padding: 17px 0; }
  .record-list span { grid-column: 1 / -1; }
  .record-list strong { font-size: 14px; }
  .boundary-grid { grid-template-columns: 1fr; }
  .about-media { order: 2; }
  .contact { padding-bottom: 150px; }
  .contact footer { right: 20px; bottom: 32px; left: 20px; flex-direction: column; gap: 8px; line-height: 1.6; }
}

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