/* =========================================================
   Block Strata — Excavation Dig Site Landing
   Tactile clay / wood skeuomorphic system (light earth palette)
   ========================================================= */

:root {
  --sand: #F3E6D0;
  --sand-deep: #E5D2B0;
  --cream: #FFF8EC;
  --parchment: #F7EDD8;
  --wood: #A67C52;
  --wood-deep: #6B4423;
  --wood-ink: #3D2914;
  --soil: #5C3D2E;
  --moss: #5A7A3E;
  --felt: #4F6B45;
  --terracotta: #C45C3A;
  --terracotta-deep: #9E3F28;
  --amber: #E8A23A;
  --bone: #F5EFE0;
  --text: #2C1E12;
  --text-muted: #6B5340;
  --shadow-soft: 0 10px 28px rgba(61, 41, 20, 0.14);
  --shadow-clay:
    0 1px 0 rgba(255, 255, 255, 0.35) inset,
    0 -3px 0 rgba(0, 0, 0, 0.12) inset,
    0 8px 0 #9E3F28,
    0 14px 24px rgba(61, 41, 20, 0.28);
  --shadow-wood:
    0 1px 0 rgba(255, 255, 255, 0.25) inset,
    0 6px 0 #5A3A1E,
    0 12px 22px rgba(61, 41, 20, 0.22);
  --radius-pill: 999px;
  --radius-frame: 28px;
  --radius-block: 18px;
  --font-display: "Fredoka", system-ui, sans-serif;
  --font-body: "Nunito", system-ui, sans-serif;
  --nav-h: 76px;
  --ease-press: cubic-bezier(0.34, 1.56, 0.64, 1);
  --transition: 200ms ease;
  color-scheme: light;
}

html[data-theme="dark"] {
  --sand: #2A2118;
  --sand-deep: #1E1812;
  --cream: #3A2E22;
  --parchment: #443628;
  --wood: #C49A6C;
  --wood-deep: #8B6239;
  --wood-ink: #F3E6D0;
  --soil: #1A120C;
  --moss: #7A9A5A;
  --felt: #3D5236;
  --terracotta: #D46A48;
  --terracotta-deep: #A84830;
  --amber: #F0B454;
  --bone: #4A3A2A;
  --text: #F7EDD8;
  --text-muted: #C4A888;
  --shadow-soft: 0 10px 28px rgba(0, 0, 0, 0.4);
  color-scheme: dark;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 1.05rem;
  line-height: 1.6;
  color: var(--text);
  background: var(--sand);
  overflow-x: hidden;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: inherit;
  text-decoration: none;
}

button {
  font: inherit;
  cursor: pointer;
  border: none;
  background: none;
  color: inherit;
}

.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  z-index: 1000;
  background: var(--terracotta);
  color: #fff;
  padding: 0.75rem 1rem;
  border-radius: 8px;
}

.skip-link:focus {
  left: 1rem;
  top: 1rem;
}

/* ---------- Ambient sand ---------- */
.strata-bg {
  position: fixed;
  inset: 0;
  z-index: -2;
  pointer-events: none;
  background:
    radial-gradient(ellipse 80% 50% at 20% 0%, rgba(255, 248, 236, 0.85), transparent 55%),
    radial-gradient(ellipse 60% 40% at 90% 20%, rgba(90, 122, 62, 0.08), transparent 50%),
    linear-gradient(180deg, var(--sand) 0%, var(--sand-deep) 100%);
}

.strata-bg__grain {
  position: absolute;
  inset: 0;
  opacity: 0.35;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.45'/%3E%3C/svg%3E");
  mix-blend-mode: multiply;
}

html[data-theme="dark"] .strata-bg__grain {
  mix-blend-mode: soft-light;
  opacity: 0.25;
}

/* ---------- Buttons ---------- */
.btn-clay {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.9rem 1.5rem;
  border-radius: 16px;
  background: linear-gradient(180deg, #D46A48 0%, var(--terracotta) 45%, var(--terracotta-deep) 100%);
  color: #fff;
  font-family: var(--font-display);
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  box-shadow: var(--shadow-clay);
  transition: transform var(--transition), filter var(--transition), box-shadow var(--transition);
}

.btn-clay:hover {
  filter: brightness(1.05);
}

.btn-clay:active {
  transform: translateY(6px);
  box-shadow:
    0 1px 0 rgba(255, 255, 255, 0.2) inset,
    0 2px 0 #9E3F28,
    0 4px 10px rgba(61, 41, 20, 0.2);
}

.btn-clay--sm {
  padding: 0.55rem 1rem;
  font-size: 0.85rem;
  border-radius: 12px;
  box-shadow:
    0 1px 0 rgba(255, 255, 255, 0.3) inset,
    0 4px 0 #9E3F28,
    0 8px 14px rgba(61, 41, 20, 0.22);
}

.btn-clay--sm:active {
  transform: translateY(3px);
}

.btn-clay--xl {
  padding: 1.1rem 2rem;
  font-size: 1.15rem;
  min-width: 200px;
}

.btn-wood {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.9rem 1.5rem;
  border-radius: 16px;
  background: linear-gradient(180deg, #C49A6C 0%, var(--wood) 50%, var(--wood-deep) 100%);
  color: #fff;
  font-family: var(--font-display);
  font-weight: 600;
  letter-spacing: 0.03em;
  box-shadow: var(--shadow-wood);
  transition: transform var(--transition), filter var(--transition);
}

.btn-wood:hover {
  filter: brightness(1.06);
}

.btn-wood:active {
  transform: translateY(5px);
}

.btn-wood--xl {
  padding: 1.1rem 2rem;
  font-size: 1.1rem;
  min-width: 200px;
}

.btn-clay svg,
.btn-wood svg {
  width: 1.15em;
  height: 1.15em;
}

/* ---------- Nav placard ---------- */
.dig-nav {
  position: sticky;
  top: 0;
  z-index: 100;
  padding: 0.75rem 1rem 0;
  transition: padding var(--transition), background var(--transition);
}

.dig-nav.is-scrolled {
  padding-top: 0.45rem;
}

.dig-nav__placard {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 0.65rem 1rem 0.75rem;
  background:
    linear-gradient(180deg, #FFFBF3 0%, var(--parchment) 100%);
  border: 4px solid var(--wood);
  border-radius: 22px;
  box-shadow:
    0 2px 0 rgba(255, 255, 255, 0.5) inset,
    0 8px 0 rgba(107, 68, 35, 0.35),
    var(--shadow-soft);
}

html[data-theme="dark"] .dig-nav__placard {
  background: linear-gradient(180deg, #4A3A2A 0%, #3A2E22 100%);
  border-color: #8B6239;
}

.dig-nav__brand {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  flex-shrink: 0;
}

.dig-nav__logo {
  border-radius: 12px;
  box-shadow: 0 3px 0 rgba(61, 41, 20, 0.25);
}

.dig-nav__name {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.15rem;
  color: var(--wood-ink);
  letter-spacing: 0.02em;
}

.dig-nav__signs {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  flex: 1;
}

.hang-sign {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.45rem 0.9rem;
  margin-top: 0.35rem;
  background: linear-gradient(180deg, #F0D9B0 0%, #E2C48E 100%);
  border: 2px solid var(--wood-deep);
  border-radius: 10px;
  font-family: var(--font-display);
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--wood-ink);
  box-shadow: 0 3px 0 rgba(61, 41, 20, 0.2);
  transition: transform 250ms var(--ease-press), background var(--transition);
}

.hang-sign::before {
  content: "";
  position: absolute;
  top: -10px;
  left: 50%;
  width: 2px;
  height: 10px;
  background: var(--wood-deep);
  transform: translateX(-50%);
}

.hang-sign:hover {
  transform: rotate(-2deg) translateY(2px);
  background: linear-gradient(180deg, #F7E4C0 0%, #EDD09A 100%);
}

.dig-nav__actions {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-shrink: 0;
}

.theme-toggle {
  width: 42px;
  height: 42px;
  border-radius: 12px;
  display: grid;
  place-items: center;
  background: var(--cream);
  border: 2px solid var(--wood);
  color: var(--wood-ink);
  box-shadow: 0 3px 0 rgba(61, 41, 20, 0.15);
  transition: transform var(--transition);
}

.theme-toggle:hover {
  transform: translateY(-1px);
}

.theme-toggle .icon-sun {
  display: none;
}

html[data-theme="dark"] .theme-toggle .icon-moon {
  display: none;
}

html[data-theme="dark"] .theme-toggle .icon-sun {
  display: block;
}

.theme-toggle svg {
  width: 18px;
  height: 18px;
}

.dig-nav__burger {
  display: none;
  width: 42px;
  height: 42px;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
  border-radius: 12px;
  border: 2px solid var(--wood);
  background: var(--cream);
}

.dig-nav__burger span {
  display: block;
  width: 18px;
  height: 2.5px;
  border-radius: 2px;
  background: var(--wood-ink);
  transition: transform var(--transition), opacity var(--transition);
}

.dig-nav__burger[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(7.5px) rotate(45deg);
}

.dig-nav__burger[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
}

.dig-nav__burger[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-7.5px) rotate(-45deg);
}

/* ---------- Hero ---------- */
.hero {
  position: relative;
  min-height: calc(100vh - var(--nav-h));
  padding: 1.5rem 1.25rem 4rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
  overflow: hidden;
}

.hero__strata {
  position: absolute;
  inset: auto 0 0;
  height: 42%;
  z-index: 0;
  display: grid;
  grid-template-rows: 1fr 1.1fr 1.2fr;
  pointer-events: none;
}

.layer {
  display: block;
  width: 100%;
}

.layer--sand {
  background: linear-gradient(180deg, transparent, rgba(210, 180, 140, 0.35));
  clip-path: polygon(0 20%, 8% 8%, 22% 18%, 40% 6%, 58% 16%, 75% 4%, 90% 14%, 100% 8%, 100% 100%, 0 100%);
}

.layer--soil {
  background: linear-gradient(180deg, rgba(92, 61, 46, 0.45), rgba(92, 61, 46, 0.65));
  clip-path: polygon(0 10%, 12% 0, 30% 12%, 48% 2%, 65% 14%, 82% 0, 100% 10%, 100% 100%, 0 100%);
}

.layer--moss {
  background: linear-gradient(180deg, rgba(90, 122, 62, 0.5), rgba(79, 107, 69, 0.7));
  clip-path: polygon(0 0, 15% 12%, 35% 2%, 55% 14%, 72% 4%, 88% 12%, 100% 0, 100% 100%, 0 100%);
}

.hero__stage {
  position: relative;
  z-index: 1;
  max-width: 1120px;
  margin: 0 auto;
  width: 100%;
  display: grid;
  grid-template-columns: 1fr minmax(240px, 320px);
  gap: 2.5rem;
  align-items: end;
}

.hero__copy {
  padding-bottom: 1rem;
}

.hero__brand {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  margin: 0 0 1rem;
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 4vw, 2.4rem);
  font-weight: 700;
  color: var(--wood-ink);
  letter-spacing: 0.02em;
}

.hero__brand img {
  border-radius: 16px;
  box-shadow:
    0 4px 0 rgba(61, 41, 20, 0.2),
    0 10px 20px rgba(61, 41, 20, 0.15);
  animation: float-block 4s ease-in-out infinite;
}

.hero h1 {
  margin: 0 0 1rem;
  font-family: var(--font-display);
  font-size: clamp(2.4rem, 6vw, 3.75rem);
  font-weight: 700;
  line-height: 1.08;
  color: var(--wood-ink);
  letter-spacing: -0.02em;
}

.hero__lead {
  margin: 0 0 1.75rem;
  max-width: 34ch;
  font-size: 1.1rem;
  color: var(--text-muted);
  font-weight: 600;
}

.hero__cta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
}

.hero__board {
  position: relative;
  justify-self: end;
}

.wood-frame {
  position: relative;
  padding: 14px;
  background:
    linear-gradient(145deg, #C49A6C 0%, #8B6239 40%, #6B4423 100%);
  border-radius: var(--radius-frame);
  box-shadow:
    0 2px 0 rgba(255, 220, 180, 0.35) inset,
    0 -4px 0 rgba(0, 0, 0, 0.2) inset,
    0 20px 40px rgba(61, 41, 20, 0.35);
  animation: board-settle 1.2s var(--ease-press) both;
}

.wood-frame__inner {
  background: #2A1A10;
  border-radius: 20px;
  overflow: hidden;
  box-shadow: inset 0 4px 12px rgba(0, 0, 0, 0.45);
}

.phone-shot {
  width: 100%;
  height: auto;
  aspect-ratio: 554 / 1200;
  object-fit: cover;
  object-position: top center;
}

.wood-frame__tag {
  position: absolute;
  left: 50%;
  bottom: -14px;
  transform: translateX(-50%);
  margin: 0;
  white-space: nowrap;
  padding: 0.4rem 1rem;
  background: linear-gradient(180deg, #FFF8EC, #F0E0C4);
  border: 3px solid var(--wood);
  border-radius: 12px;
  font-family: var(--font-display);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--wood-ink);
  box-shadow: 0 4px 0 rgba(61, 41, 20, 0.2);
}

.hero__glow {
  position: absolute;
  inset: 30% -10% -10%;
  background: radial-gradient(ellipse at center, rgba(232, 162, 58, 0.45), transparent 65%);
  z-index: -1;
  filter: blur(8px);
  animation: glow-pulse 3.5s ease-in-out infinite;
}

.hero__scroll-hint {
  position: absolute;
  bottom: 1.25rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.25rem;
  font-family: var(--font-display);
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-muted);
  opacity: 0.85;
  animation: hint-bob 2.2s ease-in-out infinite;
}

.hero__scroll-hint svg {
  width: 20px;
  height: 20px;
}

@keyframes float-block {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-6px); }
}

@keyframes board-settle {
  from {
    opacity: 0;
    transform: translateY(28px) rotate(2deg);
  }
  to {
    opacity: 1;
    transform: translateY(0) rotate(0);
  }
}

@keyframes glow-pulse {
  0%, 100% { opacity: 0.55; }
  50% { opacity: 1; }
}

@keyframes hint-bob {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(6px); }
}

/* ---------- Section placard ---------- */
.section-placard {
  text-align: center;
  max-width: 520px;
  margin: 0 auto 2.5rem;
  padding: 1.25rem 1.75rem;
  background: linear-gradient(180deg, #FFFBF3, var(--parchment));
  border: 4px solid var(--wood);
  border-radius: 22px;
  box-shadow:
    0 2px 0 rgba(255, 255, 255, 0.45) inset,
    0 8px 0 rgba(107, 68, 35, 0.25),
    var(--shadow-soft);
}

html[data-theme="dark"] .section-placard {
  background: linear-gradient(180deg, #4A3A2A, #3A2E22);
}

.section-placard h2 {
  margin: 0 0 0.4rem;
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 3vw, 2.1rem);
  color: var(--wood-ink);
}

.section-placard p {
  margin: 0;
  color: var(--text-muted);
  font-weight: 600;
}

/* ---------- Museum cabinet ---------- */
.museum {
  padding: 4rem 1.25rem 5rem;
}

.cabinet {
  max-width: 960px;
  margin: 0 auto;
  padding: 1.5rem 1.25rem 1.25rem;
  background:
    linear-gradient(160deg, #B8895A 0%, #8B6239 35%, #6B4423 100%);
  border-radius: 32px;
  box-shadow:
    0 3px 0 rgba(255, 220, 180, 0.3) inset,
    0 -6px 0 rgba(0, 0, 0, 0.2) inset,
    0 24px 48px rgba(61, 41, 20, 0.3);
}

.cabinet__rail {
  height: 10px;
  margin: 0 1rem 1.25rem;
  border-radius: 8px;
  background: linear-gradient(180deg, #5A3A1E, #3D2914);
  box-shadow: 0 2px 0 rgba(255, 200, 140, 0.15);
}

.shelf {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  padding: 1.25rem 1rem 1.5rem;
  margin-bottom: 0.85rem;
  background:
    radial-gradient(ellipse at 50% 0%, rgba(255, 255, 255, 0.06), transparent 50%),
    linear-gradient(180deg, #5C7A52 0%, var(--felt) 100%);
  border-radius: 18px;
  box-shadow: inset 0 6px 16px rgba(0, 0, 0, 0.28);
  position: relative;
}

.shelf::after {
  content: "";
  position: absolute;
  left: 0.5rem;
  right: 0.5rem;
  bottom: 0.35rem;
  height: 10px;
  border-radius: 6px;
  background: linear-gradient(180deg, #8B6239, #5A3A1E);
  box-shadow: 0 3px 6px rgba(0, 0, 0, 0.25);
}

.shelf--lower {
  margin-bottom: 1rem;
}

.specimen {
  position: relative;
  z-index: 1;
  padding-bottom: 0.75rem;
}

.specimen__plinth {
  text-align: center;
  padding: 1rem 0.75rem 0.9rem;
  background: linear-gradient(180deg, #E8C9A0, #C9A06E);
  border-radius: 14px 14px 10px 10px;
  border: 2px solid #6B4423;
  box-shadow:
    0 2px 0 rgba(255, 255, 255, 0.35) inset,
    0 6px 0 #5A3A1E,
    0 10px 16px rgba(0, 0, 0, 0.2);
  transition: transform 220ms var(--ease-press);
  cursor: default;
}

.specimen:hover .specimen__plinth {
  transform: translateY(-6px);
}

.specimen__icon {
  width: 56px;
  height: 56px;
  margin: 0 auto 0.65rem;
  display: grid;
  place-items: center;
  border-radius: 14px;
  background: linear-gradient(180deg, #E8A23A, #C47A28);
  color: #fff;
  box-shadow:
    0 2px 0 rgba(255, 255, 255, 0.35) inset,
    0 4px 0 rgba(0, 0, 0, 0.2);
}

.specimen__icon--amber {
  background: linear-gradient(180deg, #F0C060, #D49430);
}

.specimen__icon--moss {
  background: linear-gradient(180deg, #7A9A5A, #4F6B45);
}

.specimen__icon--clay {
  background: linear-gradient(180deg, #D46A48, #9E3F28);
}

.specimen__icon--cream {
  background: linear-gradient(180deg, #FFF8EC, #E5D2B0);
  color: var(--wood-ink);
}

.specimen__icon svg {
  width: 26px;
  height: 26px;
}

.specimen h3 {
  margin: 0 0 0.35rem;
  font-family: var(--font-display);
  font-size: 1.05rem;
  color: #2C1E12;
}

.specimen p {
  margin: 0;
  font-size: 0.88rem;
  line-height: 1.45;
  color: #4A3424;
  font-weight: 600;
}

.specimen--empty {
  display: flex;
  align-items: center;
  justify-content: center;
}

.specimen__ghost {
  width: 70%;
  aspect-ratio: 1;
  border: 2px dashed rgba(255, 248, 236, 0.35);
  border-radius: 16px;
  opacity: 0.7;
}

.cabinet__progress {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 0.75rem 1rem;
  padding: 0.85rem 1rem;
  background: linear-gradient(180deg, #FFF8EC, #F0E0C4);
  border: 3px solid #5A3A1E;
  border-radius: 16px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.95rem;
  letter-spacing: 0.06em;
  color: #2C1E12;
}

.cabinet__progress svg {
  width: 22px;
  height: 22px;
  color: var(--terracotta);
}

/* ---------- Dig site gallery ---------- */
.digsite {
  padding: 3rem 1.25rem 5rem;
}

.tray-row {
  max-width: 1100px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.75rem 1.25rem;
}

.dig-tray {
  margin: 0;
  text-align: center;
}

.dig-tray--offset {
  transform: translateY(28px);
}

.dig-tray__felt {
  padding: 12px;
  background:
    linear-gradient(160deg, #B8895A, #6B4423);
  border-radius: 24px;
  box-shadow:
    0 2px 0 rgba(255, 220, 180, 0.25) inset,
    0 14px 28px rgba(61, 41, 20, 0.25);
  transition: transform 250ms var(--ease-press);
}

.dig-tray:hover .dig-tray__felt {
  transform: translateY(-8px);
}

.dig-tray__felt img {
  width: 100%;
  aspect-ratio: 554 / 1200;
  object-fit: cover;
  object-position: top center;
  border-radius: 16px;
  background: #2A1A10;
  box-shadow: inset 0 0 0 3px rgba(0, 0, 0, 0.2);
}

.dig-tray figcaption {
  margin-top: 0.75rem;
  display: inline-block;
  padding: 0.35rem 0.9rem;
  background: var(--parchment);
  border: 2px solid var(--wood);
  border-radius: 10px;
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--wood-ink);
  box-shadow: 0 3px 0 rgba(61, 41, 20, 0.15);
}

/* ---------- Extract / download ---------- */
.extract {
  padding: 2rem 1.25rem 5rem;
}

.extract__frame {
  max-width: 720px;
  margin: 0 auto;
  padding: 2.5rem 1.75rem;
  text-align: center;
  background:
    linear-gradient(180deg, #5C7A52 0%, var(--felt) 100%);
  border: 8px solid var(--wood-deep);
  border-radius: 32px;
  box-shadow:
    0 3px 0 rgba(255, 255, 255, 0.12) inset,
    0 20px 40px rgba(61, 41, 20, 0.28);
}

.extract__copy h2 {
  margin: 0 0 0.5rem;
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 4vw, 2.4rem);
  color: #FFF8EC;
}

.extract__copy p {
  margin: 0 auto 1.5rem;
  max-width: 36ch;
  color: rgba(255, 248, 236, 0.88);
  font-weight: 600;
}

.extract__tools {
  display: flex;
  justify-content: center;
  gap: 0.65rem;
  margin-bottom: 1.5rem;
}

.tool-tile {
  width: 56px;
  height: 56px;
  display: grid;
  place-items: center;
  background: linear-gradient(180deg, #FFF8EC, #E5D2B0);
  border: 3px solid #6B4423;
  border-radius: 14px;
  color: var(--wood-ink);
  box-shadow:
    0 2px 0 rgba(255, 255, 255, 0.4) inset,
    0 4px 0 #5A3A1E;
}

.tool-tile svg {
  width: 24px;
  height: 24px;
}

.extract__cta {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.85rem;
  margin-bottom: 1rem;
}

.extract__note {
  margin: 0;
  font-size: 0.9rem;
  color: rgba(255, 248, 236, 0.7);
  font-weight: 600;
}

/* ---------- FAQ plaques ---------- */
.faq {
  padding: 2rem 1.25rem 5rem;
}

.faq__list {
  max-width: 680px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.plaque {
  background: linear-gradient(180deg, #FFFBF3, var(--parchment));
  border: 3px solid var(--wood);
  border-radius: 18px;
  box-shadow:
    0 2px 0 rgba(255, 255, 255, 0.4) inset,
    0 5px 0 rgba(107, 68, 35, 0.22);
  overflow: hidden;
}

html[data-theme="dark"] .plaque {
  background: linear-gradient(180deg, #4A3A2A, #3A2E22);
}

.plaque summary {
  list-style: none;
  cursor: pointer;
  padding: 1rem 1.25rem;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.05rem;
  color: var(--wood-ink);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.plaque summary::-webkit-details-marker {
  display: none;
}

.plaque summary::after {
  content: "+";
  flex-shrink: 0;
  width: 28px;
  height: 28px;
  display: grid;
  place-items: center;
  background: var(--terracotta);
  color: #fff;
  border-radius: 8px;
  font-size: 1.2rem;
  line-height: 1;
  box-shadow: 0 3px 0 var(--terracotta-deep);
}

.plaque[open] summary::after {
  content: "−";
}

.plaque p {
  margin: 0;
  padding: 0 1.25rem 1.15rem;
  color: var(--text-muted);
  font-weight: 600;
  font-size: 0.98rem;
}

/* ---------- Footer ---------- */
.site-footer {
  padding: 2.5rem 1.25rem 3rem;
  border-top: 4px solid rgba(166, 124, 82, 0.35);
  background: linear-gradient(180deg, transparent, rgba(107, 68, 35, 0.08));
}

.site-footer__inner {
  max-width: 960px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
  text-align: center;
}

.site-footer__brand {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--wood-ink);
}

.site-footer__brand img {
  border-radius: 10px;
}

.site-footer__links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.75rem 1.5rem;
}

.site-footer__links a {
  font-weight: 700;
  color: var(--terracotta);
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: color var(--transition);
}

.site-footer__links a:hover {
  color: var(--terracotta-deep);
}

.site-footer__copy {
  margin: 0;
  font-size: 0.9rem;
  color: var(--text-muted);
  font-weight: 600;
}

/* ---------- Modal ---------- */
.modal[hidden] {
  display: none;
}

.modal {
  position: fixed;
  inset: 0;
  z-index: 200;
  display: grid;
  place-items: center;
  padding: 1.25rem;
}

.modal__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(44, 30, 18, 0.55);
  backdrop-filter: blur(4px);
  cursor: pointer;
}

.modal__panel {
  position: relative;
  z-index: 1;
  width: min(400px, 100%);
  padding: 2rem 1.5rem 1.5rem;
  text-align: center;
  background: linear-gradient(180deg, #FFFBF3, var(--parchment));
  border: 5px solid var(--wood);
  border-radius: 24px;
  box-shadow:
    0 2px 0 rgba(255, 255, 255, 0.45) inset,
    0 20px 40px rgba(0, 0, 0, 0.3);
  animation: board-settle 0.4s var(--ease-press) both;
}

html[data-theme="dark"] .modal__panel {
  background: linear-gradient(180deg, #4A3A2A, #3A2E22);
}

.modal__close {
  position: absolute;
  top: 0.75rem;
  right: 0.75rem;
  width: 36px;
  height: 36px;
  display: grid;
  place-items: center;
  border-radius: 10px;
  background: var(--cream);
  border: 2px solid var(--wood);
  color: var(--wood-ink);
}

.modal__close svg {
  width: 18px;
  height: 18px;
}

.modal__icon {
  width: 64px;
  height: 64px;
  margin: 0 auto 1rem;
  display: grid;
  place-items: center;
  border-radius: 18px;
  background: linear-gradient(180deg, #D46A48, #9E3F28);
  color: #fff;
  box-shadow: var(--shadow-clay);
}

.modal__icon svg {
  width: 30px;
  height: 30px;
}

.modal__panel h2 {
  margin: 0 0 0.5rem;
  font-family: var(--font-display);
  color: var(--wood-ink);
}

.modal__panel p {
  margin: 0 0 1.25rem;
  color: var(--text-muted);
  font-weight: 600;
}

/* ---------- Responsive ---------- */
@media (max-width: 960px) {
  .hero__stage {
    grid-template-columns: 1fr;
    justify-items: center;
    text-align: center;
    gap: 2rem;
  }

  .hero__copy {
    padding-bottom: 0;
  }

  .hero__lead {
    margin-left: auto;
    margin-right: auto;
  }

  .hero__cta {
    justify-content: center;
  }

  .hero__board {
    justify-self: center;
    width: min(280px, 70vw);
  }

  .tray-row {
    grid-template-columns: repeat(2, 1fr);
  }

  .dig-tray--offset {
    transform: none;
  }
}

@media (max-width: 768px) {
  .dig-nav__burger {
    display: flex;
  }

  .dig-nav__signs {
    position: absolute;
    top: calc(100% + 0.35rem);
    left: 1rem;
    right: 1rem;
    flex-direction: column;
    align-items: stretch;
    gap: 0.5rem;
    padding: 0.85rem;
    background: linear-gradient(180deg, #FFFBF3, var(--parchment));
    border: 3px solid var(--wood);
    border-radius: 16px;
    box-shadow: var(--shadow-soft);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px);
    transition: opacity var(--transition), transform var(--transition), visibility var(--transition);
  }

  html[data-theme="dark"] .dig-nav__signs {
    background: linear-gradient(180deg, #4A3A2A, #3A2E22);
  }

  .dig-nav__signs.is-open {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
  }

  .hang-sign {
    margin-top: 0;
    justify-content: flex-start;
  }

  .hang-sign::before {
    display: none;
  }

  .dig-nav__placard {
    position: relative;
  }

  .dig-nav__actions .btn-clay--sm span {
    display: none;
  }

  .shelf {
    grid-template-columns: 1fr;
  }

  .specimen--empty {
    display: none;
  }

  .tray-row {
    grid-template-columns: 1fr 1fr;
    gap: 1.25rem 0.85rem;
  }

  .extract__cta {
    flex-direction: column;
    align-items: stretch;
  }

  .btn-clay--xl,
  .btn-wood--xl {
    width: 100%;
    min-width: 0;
  }
}

@media (max-width: 480px) {
  .hero {
    padding-top: 1rem;
  }

  .hero h1 {
    font-size: 2.1rem;
  }

  .tray-row {
    grid-template-columns: 1fr;
    max-width: 280px;
  }

  .dig-nav__name {
    font-size: 1rem;
  }

  .theme-toggle {
    display: none;
  }
}

/* ---------- Focus & a11y ---------- */
a:focus-visible,
button:focus-visible,
summary:focus-visible {
  outline: 3px solid var(--amber);
  outline-offset: 3px;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}