/* ==========================================================================
   Tomorrow's Fossils — style.css
   Editorial museum / conservation laboratory / impossible archaeology.
   One stylesheet, design tokens in :root, no framework, no inline styles.
   ========================================================================== */

/* ----------------------------------------------------------- tokens */
:root {
  /* colour system */
  --obsidian: #080B0C;      /* page ground */
  --shale: #121819;         /* raised surfaces */
  --shale-2: #182021;       /* hover surfaces */
  --slate: #273031;         /* hairlines, borders */
  --limestone: #D9D1C5;     /* body text */
  --paper: #EEE8DD;         /* headings */
  --copper: #6F8D86;        /* links, secondary accent */
  --copper-bright: #8FADA5; /* link hover */
  --brass: #A47B45;         /* decoration, borders */
  --brass-text: #B98F58;    /* brass tuned for small text on dark */
  --amber: #FF9B32;         /* the one "still alive" signal */
  --rust: #A94F37;          /* decoration only */
  --rust-text: #D57F63;     /* error text on dark */
  --ink-soft: #9BA3A0;      /* muted metadata text */

  /* type */
  --font-display: "Instrument Serif", Georgia, "Times New Roman", serif;
  --font-ui: "Manrope", system-ui, "Segoe UI", Helvetica, Arial, sans-serif;
  --font-mono: "IBM Plex Mono", ui-monospace, "Cascadia Mono", Consolas, monospace;

  /* rhythm */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 1rem;
  --space-4: 1.5rem;
  --space-5: 2.5rem;
  --space-6: 4rem;
  --space-7: 6.5rem;

  --container: 1200px;
  --container-pad: clamp(1.25rem, 4vw, 2.5rem);
  --hairline: 1px solid var(--slate);
  --radius: 2px;

  --header-h: 4rem;
}

@font-face {
  font-family: "Instrument Serif";
  src: url("/assets/fonts/instrument-serif-400.woff2") format("woff2");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "Instrument Serif";
  src: url("/assets/fonts/instrument-serif-400-italic.woff2") format("woff2");
  font-weight: 400;
  font-style: italic;
  font-display: swap;
}
@font-face {
  font-family: "Manrope";
  src: url("/assets/fonts/manrope-200-800.woff2") format("woff2-variations");
  font-weight: 200 800;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "IBM Plex Mono";
  src: url("/assets/fonts/ibm-plex-mono-400.woff2") format("woff2");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "IBM Plex Mono";
  src: url("/assets/fonts/ibm-plex-mono-500.woff2") format("woff2");
  font-weight: 500;
  font-style: normal;
  font-display: swap;
}

/* ------------------------------------------------------------- reset */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--obsidian);
  color: var(--limestone);
  font-family: var(--font-ui);
  font-size: 1rem;
  font-weight: 380;
  line-height: 1.7;
  text-rendering: optimizeLegibility;
}
img, svg, video { max-width: 100%; height: auto; display: block; }
h1, h2, h3, h4, p, ul, ol, dl, figure { margin: 0; }
ul, ol { padding: 0; }
button { font: inherit; cursor: pointer; }
input, textarea, select { font: inherit; }
[hidden] { display: none !important; }

/* --------------------------------------------------------- base type */
h1, h2, h3 {
  font-family: var(--font-display);
  font-weight: 400;
  color: var(--paper);
  line-height: 1.08;
  letter-spacing: 0.005em;
  text-wrap: balance;
}
h1 { font-size: clamp(2.4rem, 6.5vw, 4.6rem); }
h2 { font-size: clamp(1.8rem, 4vw, 3rem); }
h3 { font-size: clamp(1.3rem, 2.5vw, 1.7rem); }
h4 {
  font-family: var(--font-ui);
  font-weight: 600;
  color: var(--paper);
  font-size: 1.05rem;
}

a { color: var(--copper-bright); text-decoration-thickness: 1px; text-underline-offset: 3px; }
a:hover { color: var(--paper); }

:focus-visible {
  outline: 2px solid var(--amber);
  outline-offset: 3px;
  border-radius: var(--radius);
}

code, .mono { font-family: var(--font-mono); font-size: 0.85em; }

::selection { background: var(--brass); color: var(--obsidian); }

.eyebrow {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--brass-text);
  margin-bottom: var(--space-3);
  display: block;
}

.lede { font-size: clamp(1.05rem, 1.8vw, 1.25rem); font-weight: 340; color: var(--limestone); max-width: 62ch; }
.measure { max-width: 68ch; }
.muted { color: var(--ink-soft); }

.visually-hidden {
  position: absolute !important;
  width: 1px; height: 1px;
  margin: -1px; padding: 0; border: 0;
  clip-path: inset(50%);
  overflow: hidden;
  white-space: nowrap;
}

.skip-link {
  position: absolute;
  left: var(--space-3); top: -4rem;
  z-index: 100;
  background: var(--amber); color: var(--obsidian);
  padding: 0.6rem 1rem;
  font-weight: 600;
  text-decoration: none;
  transition: top 120ms ease;
}
.skip-link:focus { top: var(--space-3); }

/* ------------------------------------------------------------ layout */
.container {
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: var(--container-pad);
}
.section { padding-block: var(--space-7); position: relative; }
.section-tight { padding-block: var(--space-6); }
.section-rule { border-top: var(--hairline); }

/* archival section label with registration marks */
.section-label {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--brass-text);
  margin-bottom: var(--space-4);
}
.section-label::before,
.section-label::after {
  content: "";
  height: 1px;
  background: var(--slate);
  flex: 0 0 2.25rem;
}
.section-label::after { flex: 1; }

/* ------------------------------------------------------------ header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: transparent;
  border-bottom: 1px solid transparent;
  transition: background 240ms ease, border-color 240ms ease;
}
.site-header.is-solid {
  /* composes over --obsidian to a near-shale tone */
  background: rgba(10, 14, 15, 0.92);
  border-bottom: var(--hairline);
  backdrop-filter: blur(8px);
}
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  min-height: var(--header-h);
}
.brand {
  display: flex;
  align-items: baseline;
  gap: 0.6rem;
  text-decoration: none;
  color: var(--paper);
}
.brand-mark {
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: 0.9rem;
  letter-spacing: 0.12em;
  color: var(--brass-text);
}
.brand-name {
  font-family: var(--font-display);
  font-size: 1.25rem;
  letter-spacing: 0.02em;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: clamp(1rem, 2.5vw, 2rem);
}
.nav-links > a:not(.nav-cart) {
  color: var(--limestone);
  text-decoration: none;
  font-size: 0.92rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  padding-block: 0.4rem;
  border-bottom: 1px solid transparent;
}
.nav-links > a:not(.nav-cart):hover { color: var(--paper); border-bottom-color: var(--brass); }
.nav-locale {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.15em;
  color: var(--ink-soft);
  border: var(--hairline);
  padding: 0.25rem 0.5rem;
}
.nav-cart {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  color: var(--limestone);
  text-decoration: none;
  font-size: 0.92rem;
  font-weight: 500;
  border: var(--hairline);
  padding: 0.45rem 0.8rem;
}
.nav-cart:hover { color: var(--paper); border-color: var(--brass); }
.cart-count {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  min-width: 1.3em;
  text-align: center;
  background: var(--amber);
  color: var(--obsidian);
  font-weight: 500;
  padding: 0.05rem 0.3rem;
}
.nav-toggle {
  display: none;
  background: none;
  border: var(--hairline);
  color: var(--limestone);
  padding: 0.5rem 0.8rem;
  align-items: center;
  gap: 0.5rem;
}
.nav-toggle-bar {
  display: block;
  width: 1.1rem;
  height: 1px;
  background: currentColor;
  box-shadow: 0 5px 0 currentColor, 0 -5px 0 currentColor;
}
.nav-toggle-label { font-size: 0.8rem; letter-spacing: 0.1em; text-transform: uppercase; }

/* ----------------------------------------------------------- buttons */
.btn {
  display: inline-block;
  padding: 0.85rem 1.6rem;
  font-weight: 600;
  font-size: 0.95rem;
  letter-spacing: 0.03em;
  text-decoration: none;
  text-align: center;
  border: 1px solid transparent;
  border-radius: var(--radius);
  transition: background 160ms ease, color 160ms ease, border-color 160ms ease;
}
.btn-primary {
  background: var(--amber);
  color: var(--obsidian);
}
.btn-primary:hover { background: #FFAE58; color: var(--obsidian); }
.btn-secondary {
  background: transparent;
  color: var(--paper);
  border-color: var(--limestone);
}
.btn-secondary:hover { border-color: var(--paper); color: var(--paper); }
.btn-quiet {
  background: transparent;
  color: var(--copper-bright);
  border-color: var(--slate);
}
.btn-quiet:hover { border-color: var(--copper); color: var(--paper); }
.btn-wide { width: 100%; }
.btn[disabled], .btn[aria-disabled="true"] { opacity: 0.45; cursor: not-allowed; }

/* -------------------------------------------------------------- hero */
.hero {
  position: relative;
  height: 210svh; /* scroll-scrub region */
}
.hero-sticky {
  position: sticky;
  top: 0;
  height: 100svh;
  overflow: hidden;
  display: flex;
  align-items: flex-end;
}
.hero-media {
  position: absolute;
  inset: 0;
}
.hero-media img.hero-poster,
.hero-media canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.hero-layer {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  will-change: opacity, transform;
}
/* vignette keeps headline legible without covering the focal point */
.hero-vignette {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(to top, rgba(8, 11, 12, 0.88) 0%, rgba(8, 11, 12, 0.25) 34%, rgba(8, 11, 12, 0) 55%),
    linear-gradient(to bottom, rgba(8, 11, 12, 0.6) 0%, rgba(8, 11, 12, 0) 22%);
  pointer-events: none;
}
.hero-copy {
  position: relative;
  z-index: 2;
  width: 100%;
  padding-bottom: clamp(2.5rem, 8vh, 5.5rem);
}
.hero-kicker {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.28em;
  color: var(--brass-text);
  margin-bottom: var(--space-3);
}
/* keep hero copy legible over photographic midtones */
.hero-kicker, .hero-title, .hero-sub {
  text-shadow: 0 1px 12px rgba(8, 11, 12, 0.9), 0 0 2px rgba(8, 11, 12, 0.6);
}
.hero-title {
  font-size: clamp(2.6rem, 7.5vw, 5.6rem);
  max-width: 14ch;
  margin-bottom: var(--space-3);
}
.hero-sub {
  font-family: var(--font-mono);
  font-size: clamp(0.85rem, 1.4vw, 1rem);
  color: var(--limestone);
  margin-bottom: var(--space-5);
}
.hero-ctas { display: flex; flex-wrap: wrap; gap: var(--space-3); }
.hero-scroll-hint {
  position: absolute;
  right: var(--container-pad);
  bottom: clamp(2.5rem, 8vh, 5.5rem);
  z-index: 2;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--ink-soft);
  writing-mode: vertical-rl;
}
/* JS scrub states: layers default to the final composed scene (no-JS,
   reduced-motion and crawler view); .hero.is-scrub lets JS drive them. */
.hero.is-scrub .hero-copy,
.hero.is-scrub .hero-layer { transition: none; }

/* --------------------------------------------------------- home intro */
.intro-grid {
  display: grid;
  grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  gap: var(--space-6);
  align-items: center;
}
.intro-figure {
  border: var(--hairline);
  overflow: hidden;
  position: relative;
}
.intro-figure img { width: 100%; }
.figure-caption {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  color: var(--ink-soft);
  padding: 0.6rem 0.9rem;
  border-top: var(--hairline);
}

/* -------------------------------------------------------------- cards */
.specimen-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: var(--space-4);
  margin-top: var(--space-5);
}
.specimen-card {
  position: relative;
  display: flex;
  flex-direction: column;
  background: var(--shale);
  border: var(--hairline);
  transition: border-color 200ms ease, transform 200ms ease;
}
.specimen-card:hover, .specimen-card:focus-within { border-color: var(--brass); }
.card-media {
  position: relative;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  border-bottom: var(--hairline);
}
.card-media img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: opacity 320ms ease, transform 480ms ease;
}
.card-media .card-macro { opacity: 0; }
@media (hover: hover) {
  .specimen-card:hover .card-macro,
  .specimen-card:focus-within .card-macro { opacity: 1; transform: scale(1.03); }
}
.card-status {
  position: absolute;
  top: 0.75rem;
  left: 0.75rem;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  padding: 0.25rem 0.55rem;
  background: rgba(8, 11, 12, 0.82);
  border: 1px solid var(--brass);
  color: var(--brass-text);
}
.card-body {
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
  padding: var(--space-4);
  flex: 1;
}
.card-code {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.18em;
  color: var(--brass-text);
}
.card-title { font-size: 1.45rem; }
.card-title a { color: var(--paper); text-decoration: none; }
.card-title a::after { content: ""; position: absolute; inset: 0; } /* whole-card link */
.card-title a:focus-visible::after { outline: 2px solid var(--amber); outline-offset: -2px; }
.card-hook { font-size: 0.92rem; color: var(--ink-soft); flex: 1; }
.card-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem 1rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--ink-soft);
  border-top: var(--hairline);
  padding-top: 0.8rem;
}
.card-price { color: var(--paper); font-weight: 500; }
.card-price .price-free { color: var(--amber); }

/* --------------------------------------------------- evidence section */
.evidence {
  position: relative;
}
.evidence-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: var(--space-6);
}
.evidence-media {
  position: sticky;
  top: calc(var(--header-h) + 1rem);
  align-self: start;
  border: var(--hairline);
  overflow: hidden;
}
.evidence-media figure { position: relative; aspect-ratio: 4 / 5; }
.evidence-media img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0;
  transition: opacity 420ms ease;
}
.evidence-media img.is-active { opacity: 1; }
.evidence-media .figure-caption {
  position: absolute;
  left: 0; right: 0; bottom: 0;
  background: rgba(8, 11, 12, 0.85);
  border-top: var(--hairline);
}
.evidence-notes { display: flex; flex-direction: column; gap: var(--space-6); }
.evidence-note {
  border-left: 1px solid var(--slate);
  padding-left: var(--space-4);
}
.evidence-note.is-active { border-left-color: var(--amber); }
.evidence-quote {
  font-family: var(--font-display);
  font-style: italic;
  font-size: clamp(1.3rem, 2.4vw, 1.8rem);
  color: var(--paper);
  margin-bottom: var(--space-3);
}
.evidence-fact { font-size: 0.95rem; color: var(--ink-soft); }

/* --------------------------------------------------------- fact table */
.fact-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.95rem;
}
.fact-table th, .fact-table td {
  text-align: left;
  padding: 0.65rem 1rem 0.65rem 0;
  border-bottom: var(--hairline);
  vertical-align: top;
}
.fact-table th {
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-soft);
  white-space: nowrap;
  width: 34%;
}
.table-scroll { overflow-x: auto; }

/* ------------------------------------------------------- product page */
.product-top {
  display: grid;
  grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  gap: var(--space-6);
  align-items: start;
}
.product-gallery { display: grid; gap: var(--space-3); }
.product-gallery .gallery-main {
  border: var(--hairline);
  position: relative;
  overflow: hidden;
}
.gallery-thumbs { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--space-2); }
.gallery-thumbs button {
  border: var(--hairline);
  background: var(--shale);
  padding: 0;
  overflow: hidden;
  aspect-ratio: 4 / 3;
}
.gallery-thumbs button img { width: 100%; height: 100%; object-fit: cover; }
.gallery-thumbs button[aria-pressed="true"] { border-color: var(--amber); }
.product-buy {
  position: sticky;
  top: calc(var(--header-h) + 1rem);
  border: var(--hairline);
  background: var(--shale);
  padding: var(--space-4);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}
.product-code { font-family: var(--font-mono); font-size: 0.78rem; letter-spacing: 0.18em; color: var(--brass-text); }
.product-title { font-size: clamp(2rem, 4vw, 2.8rem); }
.product-hook { color: var(--limestone); }
.digital-note {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  color: var(--paper);
  border: 1px solid var(--brass);
  background: rgba(164, 123, 69, 0.08);
  padding: 0.55rem 0.8rem;
}
.price-line { display: flex; align-items: baseline; gap: 0.6rem; }
.price-current { font-family: var(--font-display); font-size: 2.2rem; color: var(--paper); }
.price-context { font-size: 0.85rem; color: var(--ink-soft); }
.licence-fieldset {
  border: var(--hairline);
  padding: var(--space-3);
  margin: 0;
  display: grid;
  gap: var(--space-2);
}
.licence-fieldset legend {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-soft);
  padding-inline: 0.4rem;
}
.licence-option {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 0.7rem;
  align-items: baseline;
  padding: 0.7rem 0.8rem;
  border: var(--hairline);
  cursor: pointer;
}
.licence-option:has(input:checked) { border-color: var(--amber); background: rgba(255, 155, 50, 0.05); }
.licence-option input { accent-color: var(--amber); }
.licence-name { font-weight: 600; color: var(--paper); }
.licence-desc { grid-column: 2 / 4; font-size: 0.85rem; color: var(--ink-soft); }
.licence-price { font-family: var(--font-mono); font-size: 0.95rem; color: var(--paper); }
.consent-check {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.6rem;
  font-size: 0.83rem;
  color: var(--ink-soft);
  align-items: start;
}
.consent-check input { margin-top: 0.3rem; accent-color: var(--amber); }
.buy-actions { display: grid; gap: var(--space-2); }
.trust-facts {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.5rem 1rem;
  font-size: 0.85rem;
  border-top: var(--hairline);
  padding-top: var(--space-3);
}
.trust-facts dt { font-family: var(--font-mono); font-size: 0.68rem; letter-spacing: 0.14em; text-transform: uppercase; color: var(--ink-soft); }
.trust-facts dd { margin: 0 0 0.4rem; color: var(--limestone); }
.product-sections { display: grid; gap: var(--space-6); margin-top: var(--space-7); }
.prose { max-width: 68ch; display: grid; gap: var(--space-3); }
.prose p { color: var(--limestone); }
.file-list { list-style: none; display: grid; gap: 0.4rem; }
.file-list li {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--limestone);
  border-bottom: var(--hairline);
  padding-block: 0.5rem;
}
.version-history { display: grid; gap: var(--space-2); }
.version-entry {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: var(--space-3);
  font-size: 0.9rem;
  border-left: 1px solid var(--slate);
  padding-left: var(--space-3);
}
.version-entry .mono { color: var(--brass-text); }

/* mobile purchase bar */
.mobile-buy-bar {
  display: none;
  position: fixed;
  left: 0; right: 0; bottom: 0;
  z-index: 40;
  background: rgba(10, 14, 15, 0.96);
  border-top: var(--hairline);
  padding: 0.7rem var(--container-pad);
  align-items: center;
  gap: var(--space-3);
  justify-content: space-between;
}
.mobile-buy-bar .price-current { font-size: 1.3rem; }
.mobile-buy-bar .mobile-buy-note { font-family: var(--font-mono); font-size: 0.62rem; color: var(--ink-soft); display: block; }

/* ---------------------------------------------------------- galleries */
.media-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: var(--space-3);
}
.media-grid figure { border: var(--hairline); background: var(--shale); }
.media-grid img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; }

/* ---------------------------------------------------------------- faq */
.faq { display: grid; gap: var(--space-2); max-width: 76ch; }
.faq details { border: var(--hairline); background: var(--shale); }
.faq summary {
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: var(--space-3);
  padding: 1rem var(--space-4);
  font-weight: 600;
  color: var(--paper);
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; font-family: var(--font-mono); color: var(--brass-text); }
.faq details[open] summary::after { content: "\2212"; }
.faq .faq-answer { padding: 0 var(--space-4) 1.1rem; color: var(--limestone); max-width: 68ch; }

/* -------------------------------------------------------- cart drawer */
.cart-drawer {
  position: fixed;
  inset: 0 0 0 auto;
  width: min(26rem, 100vw);
  max-width: 100vw;
  height: 100vh;
  max-height: 100vh;
  margin: 0;
  padding: 0;
  border: none;
  border-left: var(--hairline);
  background: var(--shale);
  color: var(--limestone);
}
.cart-drawer::backdrop { background: rgba(8, 11, 12, 0.7); }
.cart-drawer-inner {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  padding: var(--space-4);
  height: 100%;
  overflow-y: auto;
}
.cart-drawer-head { display: flex; justify-content: space-between; align-items: baseline; }
.cart-drawer-title { font-size: 1.6rem; }
.cart-close {
  background: none;
  border: var(--hairline);
  color: var(--limestone);
  padding: 0.35rem 0.8rem;
  font-size: 0.85rem;
}
.cart-items { list-style: none; display: grid; gap: var(--space-2); }
.cart-item {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 0.2rem 0.8rem;
  border: var(--hairline);
  padding: 0.8rem 1rem;
  background: var(--obsidian);
}
.cart-item-title { color: var(--paper); font-weight: 600; }
.cart-item-meta { font-family: var(--font-mono); font-size: 0.72rem; color: var(--ink-soft); }
.cart-item-price { font-family: var(--font-mono); color: var(--paper); }
.cart-remove {
  grid-column: 2;
  justify-self: end;
  background: none;
  border: none;
  color: var(--copper-bright);
  font-size: 0.8rem;
  text-decoration: underline;
  padding: 0;
}
.cart-subtotal { display: flex; justify-content: space-between; font-size: 1.05rem; color: var(--paper); border-top: var(--hairline); padding-top: var(--space-3); }
.cart-tax-note, .cart-fallback-link { font-size: 0.8rem; color: var(--ink-soft); }
.cart-checkout-form { display: grid; gap: var(--space-3); }
.cart-empty { color: var(--ink-soft); }

/* -------------------------------------------------------------- forms */
.form-grid { display: grid; gap: var(--space-3); max-width: 34rem; }
.form-field { display: grid; gap: 0.4rem; }
.form-field label { font-weight: 600; color: var(--paper); font-size: 0.92rem; }
.form-field .field-hint { font-size: 0.8rem; color: var(--ink-soft); }
input[type="email"], input[type="text"], textarea, select {
  background: var(--obsidian);
  border: var(--hairline);
  color: var(--paper);
  padding: 0.75rem 0.9rem;
  border-radius: var(--radius);
  width: 100%;
}
input:focus-visible, textarea:focus-visible { outline: 2px solid var(--amber); outline-offset: 1px; border-color: var(--amber); }
.form-error { color: var(--rust-text); font-size: 0.9rem; }
.form-success {
  border: 1px solid var(--copper);
  background: rgba(111, 141, 134, 0.08);
  padding: var(--space-3) var(--space-4);
  color: var(--paper);
}
.honeypot { position: absolute !important; left: -9999px; width: 1px; height: 1px; overflow: hidden; }

/* ----------------------------------------------------------- callouts */
.callout {
  border: var(--hairline);
  border-left: 2px solid var(--brass);
  background: var(--shale);
  padding: var(--space-4);
  max-width: 76ch;
}
.callout-amber { border-left-color: var(--amber); }
.callout h3 { margin-bottom: var(--space-2); }

/* ------------------------------------------------------- breadcrumbs */
.breadcrumbs { padding-block: var(--space-3); }
.breadcrumbs ol { list-style: none; display: flex; flex-wrap: wrap; gap: 0.5rem; font-size: 0.8rem; }
.breadcrumbs li + li::before { content: "//"; font-family: var(--font-mono); color: var(--slate); margin-right: 0.5rem; }
.breadcrumbs a { color: var(--ink-soft); text-decoration: none; }
.breadcrumbs a:hover { color: var(--paper); text-decoration: underline; }
.breadcrumbs [aria-current] { color: var(--limestone); }

/* ------------------------------------------------------------- strata */
.strata-rule {
  height: 5rem;
  background:
    repeating-linear-gradient(
      to bottom,
      transparent 0,
      transparent 1.1rem,
      rgba(39, 48, 49, 0.55) 1.1rem,
      rgba(39, 48, 49, 0.55) calc(1.1rem + 1px)
    );
  mask-image: linear-gradient(to bottom, transparent, #000 40%, #000 60%, transparent);
  pointer-events: none;
}

/* ------------------------------------------------------------ footer */
.site-footer {
  border-top: var(--hairline);
  background: var(--shale);
  margin-top: var(--space-7);
  padding-block: var(--space-6) var(--space-4);
  font-size: 0.92rem;
}
.footer-grid {
  display: grid;
  grid-template-columns: minmax(0, 2fr) repeat(3, minmax(0, 1fr)) minmax(0, 1.4fr);
  gap: var(--space-5);
}
.footer-brand .brand-mark { font-size: 1rem; margin-bottom: var(--space-3); }
.footer-statement { color: var(--limestone); max-width: 36ch; margin-bottom: var(--space-3); }
.footer-digital { font-family: var(--font-mono); font-size: 0.72rem; color: var(--ink-soft); max-width: 32ch; }
.footer-heading {
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--brass-text);
  margin-bottom: var(--space-3);
}
.footer-col ul { list-style: none; display: grid; gap: 0.5rem; }
.footer-col a { color: var(--limestone); text-decoration: none; }
.footer-col a:hover { color: var(--paper); text-decoration: underline; }
.footer-notes-copy { color: var(--ink-soft); margin-bottom: var(--space-3); font-size: 0.88rem; }
.newsletter-form { display: grid; gap: var(--space-2); }
.footer-fineprint { font-size: 0.75rem; color: var(--ink-soft); margin-top: var(--space-2); }
.footer-base {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2) var(--space-4);
  justify-content: space-between;
  border-top: var(--hairline);
  margin-top: var(--space-5);
  padding-top: var(--space-4);
  font-size: 0.8rem;
  color: var(--ink-soft);
}
.footer-base a { color: var(--ink-soft); }

/* -------------------------------------------------------- error pages */
.error-page { min-height: 60vh; display: grid; place-content: center; text-align: center; gap: var(--space-3); padding-block: var(--space-7); }
.error-page .actions { display: flex; gap: var(--space-3); justify-content: center; flex-wrap: wrap; }

/* -------------------------------------------------------- reveal + fx */
/* hidden-then-revealed only when JS is present (html.js set by main.js) */
html.js .reveal { opacity: 0; transform: translateY(1.25rem); transition: opacity 640ms ease, transform 640ms ease; }
html.js .reveal.is-visible { opacity: 1; transform: none; }

/* status pulse — the one place amber is allowed to move */
@keyframes tf-pulse {
  0%, 100% { opacity: 0.55; }
  50% { opacity: 1; }
}
.status-live {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--amber);
}
.status-live::before {
  content: "";
  width: 0.5rem; height: 0.5rem;
  border-radius: 50%;
  background: var(--amber);
  animation: tf-pulse 2.6s ease-in-out infinite;
}

/* ------------------------------------------------------ media queries */
@media (max-width: 960px) {
  .intro-grid, .product-top, .evidence-grid { grid-template-columns: 1fr; }
  .evidence-media { position: relative; top: 0; }
  .product-buy { position: relative; top: 0; }
  .footer-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .footer-brand { grid-column: 1 / -1; }
  .footer-notes { grid-column: 1 / -1; }
  .mobile-buy-bar.is-ready { display: flex; }
  body.has-buy-bar { padding-bottom: 4.5rem; }
}

@media (max-width: 760px) {
  .nav-toggle { display: inline-flex; }
  .nav-links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0; right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background: rgba(10, 14, 15, 0.98);
    border-bottom: var(--hairline);
    padding: var(--space-3) var(--container-pad) var(--space-4);
  }
  .nav-links.is-open { display: flex; }
  .nav-links > a:not(.nav-cart) { padding-block: 0.9rem; border-bottom: var(--hairline); font-size: 1.05rem; }
  .nav-locale { align-self: flex-start; margin-block: var(--space-3); }
  .nav-cart { justify-content: center; margin-top: var(--space-2); }
  .hero { height: 170svh; }
  .hero-scroll-hint { display: none; }
  /* portrait: the capsule glow sits close to the copy — deepen the
     vignette and lift the text off the scene for legibility */
  .hero-vignette {
    background:
      linear-gradient(to top, rgba(8, 11, 12, 0.95) 0%, rgba(8, 11, 12, 0.55) 42%, rgba(8, 11, 12, 0) 62%),
      linear-gradient(to bottom, rgba(8, 11, 12, 0.6) 0%, rgba(8, 11, 12, 0) 22%);
  }
  .hero-kicker, .hero-title, .hero-sub { text-shadow: 0 1px 10px rgba(8, 11, 12, 0.85); }
  .specimen-grid { grid-template-columns: 1fr 1fr; }
  .gallery-thumbs { grid-template-columns: repeat(4, 1fr); }
  .trust-facts { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 560px) {
  .specimen-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .hero-title { font-size: clamp(2.3rem, 11vw, 3rem); }
}

/* ---------------------------------------------------- reduced motion */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.001s !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001s !important;
  }
  html.js .reveal { opacity: 1; transform: none; }
  .hero { height: auto; min-height: 100svh; }
  .hero-sticky { position: relative; height: 100svh; }
  .status-live::before { animation: none; opacity: 1; }
}