@import url('https://fonts.googleapis.com/css2?family=DM+Mono:wght@400;500&family=Manrope:wght@400;500;600;700&family=Playfair+Display:ital,wght@1,600&display=swap');

:root {
  --ink: #0a0d12;
  --ink-soft: #333942;
  --paper: #f4f1ea;
  --paper-deep: #e8e3d9;
  --white: #fffdf8;
  --red: #e6322d;
  --red-dark: #b8211d;
  --line: rgba(10, 13, 18, 0.16);
  --mono: "DM Mono", ui-monospace, SFMono-Regular, Consolas, monospace;
  --sans: "Manrope", Arial, sans-serif;
  --serif: "Playfair Display", Georgia, serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--ink); background: var(--paper); font-family: var(--sans); }
a { color: inherit; }
button, input { font: inherit; }
button { color: inherit; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; }
.skip-link { position: fixed; left: 1rem; top: -4rem; z-index: 100; padding: .8rem 1rem; color: white; background: var(--red); }
.skip-link:focus { top: 1rem; }

.site-header { position: sticky; top: 0; z-index: 20; min-height: 82px; display: flex; align-items: center; justify-content: space-between; padding: 0 clamp(1.25rem, 5vw, 5rem); color: white; background: rgba(10, 13, 18, .94); border-bottom: 1px solid rgba(255,255,255,.14); backdrop-filter: blur(14px); }
.brand { display: inline-flex; align-items: center; gap: .85rem; text-decoration: none; }
.brand > span:last-child { display: grid; gap: .13rem; }
.brand strong { font-size: .86rem; letter-spacing: .045em; text-transform: uppercase; }
.brand small { color: #999fa8; font-family: var(--mono); font-size: .56rem; letter-spacing: .07em; text-transform: uppercase; }
.brand-mark { width: 31px; aspect-ratio: 1; display: grid; place-items: center; rotate: 10deg; background: var(--red); }
.brand-mark span { width: 11px; aspect-ratio: 1; background: var(--ink); }
.site-nav { display: flex; align-items: center; gap: clamp(1.3rem, 3vw, 2.7rem); }
.site-nav a { color: #c8ccd1; font-size: .78rem; font-weight: 600; letter-spacing: .04em; text-decoration: none; }
.site-nav a:hover, .site-nav a:focus-visible { color: white; }
.site-nav .nav-cta { padding: .72rem 1rem; color: white; border: 1px solid rgba(255,255,255,.35); }
.menu-button { display: none; width: 42px; height: 42px; padding: 10px; border: 1px solid rgba(255,255,255,.3); background: transparent; }
.menu-button > span:not(.sr-only) { display: block; height: 1px; margin: 5px 0; background: white; }

.hero { position: relative; min-height: 690px; display: grid; grid-template-columns: minmax(0, 1fr) minmax(270px, 360px); align-items: end; gap: clamp(3rem, 8vw, 9rem); padding: clamp(5rem, 10vw, 8.5rem) clamp(1.25rem, 7vw, 7rem) clamp(4rem, 7vw, 6rem); overflow: hidden; color: white; background: var(--ink); }
.hero-grid { position: absolute; inset: 0; opacity: .15; pointer-events: none; background-image: linear-gradient(rgba(255,255,255,.12) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.12) 1px, transparent 1px); background-size: 70px 70px; mask-image: linear-gradient(to bottom right, black, transparent 70%); }
.hero::after { content: "ARCHIVE"; position: absolute; right: -2vw; top: 7%; color: transparent; -webkit-text-stroke: 1px rgba(255,255,255,.055); font-size: clamp(7rem, 18vw, 18rem); font-weight: 700; letter-spacing: -.06em; pointer-events: none; }
.hero-copy, .hero-index { position: relative; z-index: 1; }
.eyebrow, .section-number { display: flex; align-items: center; gap: .7rem; margin: 0 0 1.5rem; font-family: var(--mono); font-size: .64rem; letter-spacing: .12em; text-transform: uppercase; }
.eyebrow { color: #aeb4bd; }
.eyebrow span { width: 7px; height: 7px; border-radius: 50%; background: var(--red); box-shadow: 0 0 0 5px rgba(230,50,45,.15); }
h1 { max-width: 900px; margin: 0; font-size: clamp(3.1rem, 7.5vw, 7.4rem); line-height: .91; letter-spacing: -.067em; }
h1 em { color: var(--red); font-family: var(--serif); font-weight: 600; }
.hero-intro { max-width: 650px; margin: 2rem 0 0; color: #aeb4bd; font-size: clamp(1rem, 1.5vw, 1.2rem); line-height: 1.75; }
.hero-actions { display: flex; flex-wrap: wrap; gap: .8rem; margin-top: 2.4rem; }
.button { display: inline-flex; align-items: center; justify-content: center; gap: 1rem; min-height: 48px; padding: .8rem 1.2rem; border: 1px solid transparent; font-size: .75rem; font-weight: 700; letter-spacing: .045em; text-decoration: none; cursor: pointer; }
.button-primary { color: white; background: var(--red); }
.button-primary:hover { background: var(--red-dark); }
.button-quiet { color: white; border-color: rgba(255,255,255,.22); background: rgba(255,255,255,.03); }
.hero-index { padding: 1.5rem 0 0; border-top: 1px solid rgba(255,255,255,.25); }
.status-line { display: flex; align-items: center; gap: .6rem; color: #aeb4bd; font-family: var(--mono); font-size: .62rem; letter-spacing: .1em; text-transform: uppercase; }
.status-line span { width: 6px; height: 6px; border-radius: 50%; background: #54c78a; box-shadow: 0 0 10px #54c78a; }
.hero-index dl { margin: 1.5rem 0; }
.hero-index dl div { display: flex; align-items: baseline; justify-content: space-between; padding: 1rem 0; border-bottom: 1px solid rgba(255,255,255,.13); }
.hero-index dt { color: #8e959f; font-family: var(--mono); font-size: .63rem; text-transform: uppercase; }
.hero-index dd { margin: 0; font-size: 1.65rem; font-weight: 600; }
.hero-index p { color: #828994; font-size: .78rem; line-height: 1.7; }

.archive-section, .method-section { padding: clamp(4rem, 8vw, 7.5rem) clamp(1.25rem, 7vw, 7rem); }
.section-heading { display: flex; align-items: end; justify-content: space-between; gap: 2rem; margin-bottom: 3rem; }
.section-heading h2 { margin: 0; font-size: clamp(2.2rem, 4.5vw, 4rem); letter-spacing: -.055em; }
.section-heading > p { max-width: 380px; margin: 0 0 .4rem; color: #656b73; font-size: .86rem; line-height: 1.65; }
.section-number { margin-bottom: 1rem; color: #777b80; }
.archive-toolbar { display: grid; grid-template-columns: minmax(280px, 1fr) auto; gap: 1rem; padding: 1rem; border: 1px solid var(--line); background: rgba(255,255,255,.35); }
.search-box { min-height: 52px; display: flex; align-items: center; gap: .8rem; padding: 0 1rem; background: var(--white); border: 1px solid transparent; }
.search-box:focus-within { border-color: var(--red); }
.search-box svg { width: 18px; fill: none; stroke: #6c7178; stroke-width: 1.7; }
.search-box input { width: 100%; border: 0; outline: 0; color: var(--ink); background: transparent; }
.search-box kbd { color: #858a91; font: .65rem var(--mono); }
.filters { display: flex; gap: .25rem; }
.filter { padding: .8rem 1rem; border: 0; background: transparent; font-size: .68rem; font-weight: 600; cursor: pointer; }
.filter:hover { background: var(--paper-deep); }
.filter.is-active { color: white; background: var(--ink); }
.result-meta { display: flex; justify-content: space-between; padding: 1.2rem 0 .8rem; color: #777c83; font: .62rem var(--mono); text-transform: uppercase; }
.archive-list { border-top: 1px solid var(--ink); }
.archive-card { display: grid; grid-template-columns: 80px minmax(220px, .85fr) minmax(280px, 1.15fr) auto; gap: clamp(1rem, 3vw, 3rem); align-items: start; padding: 2.2rem 0; border-bottom: 1px solid var(--line); transition: background .2s ease, padding .2s ease; }
.archive-card:hover { padding-inline: 1.1rem; background: rgba(255,255,255,.42); }
.record-number { color: var(--red); font: 500 .65rem var(--mono); }
.record-title h3 { margin: 0 0 .9rem; font-size: clamp(1.25rem, 2vw, 1.7rem); line-height: 1.2; letter-spacing: -.03em; }
.record-title time { color: #797e85; font: .61rem var(--mono); text-transform: uppercase; }
.record-description { margin: 0; color: #5e646c; font-size: .82rem; line-height: 1.75; }
.record-tags { display: flex; flex-wrap: wrap; gap: .45rem; margin-top: 1rem; }
.record-tags span { padding: .35rem .55rem; color: #5e6369; border: 1px solid var(--line); font: .58rem var(--mono); text-transform: uppercase; }
.record-actions { min-width: 120px; display: grid; gap: .55rem; }
.record-actions a { display: flex; justify-content: space-between; gap: 1rem; color: var(--ink); font: 500 .62rem var(--mono); letter-spacing: .04em; text-decoration: none; text-transform: uppercase; }
.record-actions a:hover { color: var(--red); }
.empty-state { padding: 5rem 1rem; text-align: center; }
.empty-state span { color: var(--red); font: .65rem var(--mono); text-transform: uppercase; }
.empty-state h3 { margin: .8rem 0; font-size: 1.8rem; }
.empty-state p { color: #666c74; }
.empty-state .button { margin-top: 1rem; }

.about-section { padding: clamp(4rem, 8vw, 7.5rem) clamp(1.25rem, 7vw, 7rem); color: white; background: var(--red); }
.section-heading.light .section-number { color: rgba(255,255,255,.7); }
.about-grid { display: grid; grid-template-columns: 1.2fr .8fr; gap: clamp(3rem, 10vw, 10rem); padding-top: 1rem; border-top: 1px solid rgba(255,255,255,.35); }
.about-lead { max-width: 900px; margin: 2.5rem 0 0; font-size: clamp(1.7rem, 4vw, 3.7rem); line-height: 1.15; letter-spacing: -.045em; }
.about-copy { padding-top: 2rem; }
.about-copy p { color: rgba(255,255,255,.78); font-size: .88rem; line-height: 1.8; }
.method-list { list-style: none; display: grid; grid-template-columns: repeat(3, 1fr); margin: 0; padding: 0; border-top: 1px solid var(--ink); }
.method-list li { display: grid; grid-template-columns: auto 1fr; gap: 1.2rem; padding: 2rem 2rem 2rem 0; border-bottom: 1px solid var(--line); }
.method-list li + li { padding-left: 2rem; border-left: 1px solid var(--line); }
.method-list > li > span { color: var(--red); font: .62rem var(--mono); }
.method-list h3 { margin: 0 0 .7rem; font-size: 1rem; }
.method-list p { margin: 0; color: #666c73; font-size: .78rem; line-height: 1.7; }

footer { display: grid; grid-template-columns: 1fr 1fr auto; align-items: end; gap: 3rem; padding: 3.5rem clamp(1.25rem, 7vw, 7rem); color: #b7bdc5; background: var(--ink); border-top: 1px solid #262b33; }
footer p { margin: 0; font: .58rem/1.8 var(--mono); text-transform: uppercase; }
footer > a:last-child { font: .62rem var(--mono); text-decoration: none; text-transform: uppercase; }
.footer-meta { display: grid; gap: 1rem; }
.visitor-counter { display: flex; align-items: center; gap: .75rem; color: #7f8791; font: .56rem var(--mono); letter-spacing: .08em; text-transform: uppercase; }
.visitor-counter img { display: block; width: auto; height: 28px; }

@media (max-width: 900px) {
  .site-header { min-height: 70px; }
  .menu-button { display: block; }
  .site-nav { position: absolute; top: 70px; inset-inline: 0; display: none; align-items: stretch; flex-direction: column; gap: 0; padding: 1rem 1.25rem 1.5rem; background: var(--ink); border-bottom: 1px solid rgba(255,255,255,.15); }
  .site-nav.is-open { display: flex; }
  .site-nav a { padding: 1rem 0; border-bottom: 1px solid rgba(255,255,255,.1); }
  .site-nav .nav-cta { margin-top: .8rem; text-align: center; }
  .hero { min-height: auto; grid-template-columns: 1fr; align-items: start; padding-top: 7rem; }
  .hero-index { max-width: 500px; }
  .archive-toolbar { grid-template-columns: 1fr; }
  .filters { overflow-x: auto; padding-bottom: .2rem; }
  .filter { flex: 0 0 auto; }
  .archive-card { grid-template-columns: 50px 1fr; }
  .record-description, .record-actions { grid-column: 2; }
  .record-actions { display: flex; flex-wrap: wrap; gap: 1.2rem; }
  .about-grid { grid-template-columns: 1fr; gap: 1rem; }
  .method-list { grid-template-columns: 1fr; }
  .method-list li + li { padding-left: 0; border-left: 0; }
  footer { grid-template-columns: 1fr; align-items: start; }
}

@media (max-width: 580px) {
  .brand small { display: none; }
  h1 { font-size: clamp(3rem, 15vw, 4.7rem); }
  .hero { padding-top: 5rem; }
  .hero-actions .button { width: 100%; }
  .section-heading { align-items: start; flex-direction: column; }
  .archive-toolbar { padding: .6rem; }
  .filters { margin-inline: -.1rem; }
  .result-meta span:last-child { display: none; }
  .archive-card { grid-template-columns: 34px minmax(0, 1fr); gap: .8rem; }
  .archive-card:hover { padding-inline: .4rem; }
  .record-actions a { padding: .5rem 0; }
  .about-section, .archive-section, .method-section { padding-block: 4rem; }
}

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