@font-face {
  font-family: 'Anton';
  src: url('/fonts/anton-400.woff2') format('woff2');
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'Inter';
  src: url('/fonts/inter-var.woff2') format('woff2');
  font-weight: 100 900;
  font-style: normal;
  font-display: swap;
}

:root {
  --ink: #0a0a0a;
  --ink-soft: #1a1a1a;
  --paper: #f7f6f3;
  --paper-2: #efede8;
  --muted: #6d6a64;
  --line: #d8d5ce;
  --green: #86c68a;
  --yellow: #e3cd4e;
  --orange: #e8612b;
  --container: 1240px;
  --ease: cubic-bezier(0.2, 0.7, 0.2, 1);
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 96px;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  font-size: 16px;
  line-height: 1.5;
  color: var(--ink);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

::selection {
  background: var(--ink);
  color: var(--paper);
}

img {
  max-width: 100%;
}

a {
  color: inherit;
}

button {
  font-family: inherit;
}

:focus-visible {
  outline: 2px solid currentColor;
  outline-offset: 3px;
}

.container {
  width: min(var(--container), 100% - 48px);
  margin-inline: auto;
}

.section {
  padding: clamp(80px, 9vw, 132px) 0;
  position: relative;
}

/* ---------- type ---------- */

.display {
  font-family: 'Anton', 'Arial Narrow', Impact, sans-serif;
  font-weight: 400;
  text-transform: uppercase;
  line-height: 0.88;
  letter-spacing: 0.004em;
  margin: 0;
}

.label {
  display: inline-block;
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--muted);
}

.section-title {
  font-size: clamp(44px, 6.6vw, 96px);
  line-height: 0.98;
  margin-top: 18px;
}

.section-lede {
  max-width: 48ch;
  margin: 22px 0 0;
  font-size: clamp(15px, 1.2vw, 17px);
  line-height: 1.62;
  color: #3c3a36;
}

/* ---------- buttons ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  height: 52px;
  padding: 0 26px;
  border-radius: 999px;
  border: 1px solid transparent;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  text-decoration: none;
  cursor: pointer;
  white-space: nowrap;
  transition:
    background 0.25s ease,
    color 0.25s ease,
    border-color 0.25s ease,
    transform 0.25s ease;
}

.btn:active {
  transform: scale(0.98);
}

.btn-dark {
  background: var(--ink);
  color: var(--paper);
  border-color: var(--ink);
}

.btn-dark:hover {
  background: transparent;
  color: var(--ink);
}

.btn-ghost {
  background: transparent;
  color: var(--ink);
  border-color: rgba(10, 10, 10, 0.25);
}

.btn-ghost:hover {
  background: var(--ink);
  border-color: var(--ink);
  color: var(--paper);
}

.btn-light {
  background: #fff;
  color: var(--ink);
  border-color: #fff;
}

.btn-light:hover {
  background: transparent;
  color: #fff;
}

.btn:disabled {
  opacity: 0.45;
  cursor: default;
}

.btn-sm {
  height: 40px;
  padding: 0 18px;
  font-size: 10px;
}

/* ---------- header ---------- */

.header {
  position: sticky;
  top: 0;
  z-index: 60;
  background: rgba(247, 246, 243, 0.72);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid transparent;
  transition:
    border-color 0.3s ease,
    background 0.3s ease;
}

.header.is-scrolled {
  border-bottom-color: var(--line);
  background: rgba(247, 246, 243, 0.94);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  height: 76px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
}

.brand-mark {
  height: 34px;
  width: auto;
  display: block;
}

.brand-word {
  font-size: 19px;
  line-height: 1;
  letter-spacing: 0.01em;
}

.nav {
  display: flex;
  gap: 30px;
  margin-left: auto;
}

.nav a {
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  text-decoration: none;
  color: #3f3d39;
  transition: color 0.2s ease;
}

.nav a:hover {
  color: var(--ink);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 14px;
}

.age-pill {
  display: inline-grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border: 1px solid var(--line);
  border-radius: 50%;
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.04em;
}

.menu-toggle {
  display: none;
  width: 40px;
  height: 40px;
  border: 1px solid var(--line);
  border-radius: 50%;
  background: transparent;
  position: relative;
  cursor: pointer;
}

.menu-toggle span {
  position: absolute;
  left: 12px;
  width: 16px;
  height: 1.5px;
  background: var(--ink);
  transition: transform 0.25s ease;
}

.menu-toggle span:first-child {
  top: 17px;
}

.menu-toggle span:last-child {
  top: 22px;
}

.header.is-open .menu-toggle span:first-child {
  transform: translateY(2.5px) rotate(45deg);
}

.header.is-open .menu-toggle span:last-child {
  transform: translateY(-2.5px) rotate(-45deg);
}

.mobile-menu {
  display: none;
}

.mobile-menu[hidden] {
  display: none;
}

/* ---------- hero ---------- */

.hero {
  padding: clamp(24px, 3.4vw, 52px) 0 clamp(56px, 7vw, 100px);
  position: relative;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.02fr 0.98fr;
  align-items: center;
  gap: clamp(32px, 2.6vw, 64px);
}

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--muted);
}

.dot-live {
  position: relative;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--ink);
}

.dot-live::after {
  content: '';
  position: absolute;
  inset: -5px;
  border: 1px solid rgba(10, 10, 10, 0.35);
  border-radius: 50%;
  animation: pulse-ring 2.4s ease-out infinite;
}

@keyframes pulse-ring {
  0% {
    transform: scale(0.6);
    opacity: 0.8;
  }
  100% {
    transform: scale(1.6);
    opacity: 0;
  }
}

.hero-title {
  font-size: clamp(62px, 10.4vw, 148px);
  line-height: 0.93;
  margin-top: 24px;
}

.hero-title span {
  display: block;
}

.hero-title .outline {
  color: transparent;
  -webkit-text-stroke: 2px var(--ink);
}

.hero-lede {
  max-width: 46ch;
  margin: 28px 0 0;
  font-size: clamp(15px, 1.25vw, 17px);
  line-height: 1.62;
  color: #3c3a36;
}

.hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 34px;
}

.hero-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0;
  margin: 38px 0 0;
  padding: 20px 0 0;
  border-top: 1px solid var(--line);
  list-style: none;
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
}

.hero-meta li + li {
  padding-left: 18px;
  margin-left: 18px;
  border-left: 1px solid var(--line);
}

.hero-visual {
  position: relative;
}

.hero-frame {
  position: relative;
  margin: 0;
  border: 1px solid var(--line);
  background: var(--paper-2);
  overflow: hidden;
}

.hero-frame img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2.06;
  object-fit: cover;
}

.hero-sticker {
  position: absolute;
  left: -26px;
  bottom: -30px;
  width: 118px;
  height: 118px;
  border-radius: 50%;
  background: var(--ink);
  color: var(--paper);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 3px;
  transform: rotate(-8deg);
  box-shadow: 0 22px 40px -18px rgba(0, 0, 0, 0.55);
}

.hero-sticker .display {
  font-size: 36px;
  line-height: 0.9;
}

.hero-sticker span:last-child {
  font-size: 8px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  opacity: 0.75;
}

/* ---------- marquee ---------- */

.marquee {
  background: var(--ink);
  color: var(--paper);
  overflow: hidden;
  padding: 16px 0 14px;
}

.marquee-track {
  display: flex;
  gap: 26px;
  width: max-content;
  animation: marquee 38s linear infinite;
}

.marquee-item {
  display: inline-flex;
  align-items: center;
  gap: 26px;
  font-family: 'Anton', Impact, sans-serif;
  font-size: clamp(18px, 2vw, 24px);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  white-space: nowrap;
}

.marquee-star {
  font-family: 'Inter', sans-serif;
  font-size: 10px;
  opacity: 0.55;
}

@keyframes marquee {
  to {
    transform: translateX(-33.333%);
  }
}

/* ---------- stages ---------- */

.section-head {
  max-width: 900px;
}

.stage-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  margin-top: 54px;
}

.stage-card {
  background: #fff;
  border: 1px solid var(--line);
  padding: 26px 26px 18px;
  display: flex;
  flex-direction: column;
  transition:
    transform 0.4s var(--ease),
    box-shadow 0.4s var(--ease);
}

.stage-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 30px 60px -34px rgba(0, 0, 0, 0.4);
}

.stage-top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
}

.stage-no {
  font-size: clamp(48px, 5vw, 68px);
  line-height: 0.9;
  color: transparent;
  -webkit-text-stroke: 1px #c6c3bc;
}

.stage-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 9px;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  padding-top: 6px;
}

.stage-dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  display: inline-block;
}

.stage-name {
  font-size: clamp(40px, 4.2vw, 56px);
  margin-top: 4px;
}

.stage-desc {
  margin: 14px 0 0;
  font-size: 14px;
  line-height: 1.58;
  color: #4a4843;
  min-height: 88px;
}

.stage-sample {
  margin: 20px -26px 0;
  padding: 24px 0 26px;
  background: var(--paper-2);
  display: flex;
  justify-content: center;
  overflow: hidden;
}

.stage-sample img {
  width: 47%;
  border-radius: 10px;
  transform: rotate(-5deg);
  box-shadow: 0 20px 34px -20px rgba(0, 0, 0, 0.55);
  transition: transform 0.5s var(--ease);
}

.stage-card:hover .stage-sample img {
  transform: rotate(0deg) translateY(-6px);
}

.stage-foot {
  display: flex;
  justify-content: space-between;
  margin-top: 18px;
  padding-top: 14px;
  border-top: 1px solid var(--line);
  font-size: 9px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
}

.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  margin-top: clamp(44px, 5vw, 68px);
  border-top: 1px solid var(--line);
}

.step {
  padding: 26px 34px 0 0;
}

.step + .step {
  padding-left: 34px;
  border-left: 1px solid var(--line);
}

.step-no {
  display: grid;
  place-items: center;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--ink);
  color: var(--paper);
  font-size: 11px;
  font-weight: 600;
}

.step h3 {
  margin: 14px 0 0;
  font-size: 16px;
  font-weight: 600;
  letter-spacing: -0.01em;
}

.step p {
  margin: 8px 0 0;
  max-width: 34ch;
  font-size: 13.5px;
  line-height: 1.58;
  color: #4a4843;
}

/* ---------- demo ---------- */

.demo {
  background: var(--ink);
  color: var(--paper);
  overflow: hidden;
}

.demo::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(680px 500px at 64% 44%, rgba(255, 255, 255, 0.085), transparent 68%);
  pointer-events: none;
}

.demo .label {
  color: rgba(247, 246, 243, 0.45);
}

.demo .section-lede {
  color: rgba(247, 246, 243, 0.7);
}

.demo-grid {
  position: relative;
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: clamp(40px, 6vw, 90px);
}

.deck-picker {
  display: flex;
  flex-direction: column;
  margin-top: 40px;
  border-top: 1px solid rgba(255, 255, 255, 0.18);
}

.picker-label {
  margin: 18px 0 10px;
}

.deck-chip {
  display: grid;
  grid-template-columns: 12px 1fr auto 22px;
  align-items: center;
  gap: 14px;
  padding: 15px 2px;
  background: none;
  border: 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.18);
  color: inherit;
  text-align: left;
  cursor: pointer;
  opacity: 0.5;
  transition: opacity 0.25s ease;
}

.deck-chip:hover,
.deck-chip.is-on {
  opacity: 1;
}

.deck-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  box-shadow: 0 0 0 4px rgba(255, 255, 255, 0.07);
}

.deck-name {
  font-family: 'Anton', Impact, sans-serif;
  font-size: 25px;
  letter-spacing: 0.03em;
  text-transform: uppercase;
}

.deck-tag {
  font-size: 9px;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.5);
}

.deck-check {
  display: grid;
  place-items: center;
  width: 20px;
  height: 20px;
  border: 1px solid rgba(255, 255, 255, 0.4);
  border-radius: 50%;
  font-size: 10px;
  opacity: 0;
  transition:
    opacity 0.2s ease,
    background 0.2s ease;
}

.deck-chip.is-on .deck-check {
  opacity: 1;
  background: #fff;
  border-color: #fff;
  color: var(--ink);
}

.demo-note {
  margin: 18px 0 0;
  font-size: 10px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.4);
  max-width: 40ch;
  line-height: 1.7;
}

.demo-stage {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 30px;
  padding-top: 8px;
}

.deck-stack {
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: clamp(250px, 26vw, 330px);
  aspect-ratio: 749 / 1032;
  pointer-events: none;
}

.deck-back {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 14px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow: 0 30px 60px -34px rgba(0, 0, 0, 0.9);
}

.deck-back-1 {
  transform: translate(14px, 16px) rotate(3.2deg);
  opacity: 0.5;
}

.deck-back-2 {
  transform: translate(27px, 31px) rotate(6.4deg);
  opacity: 0.26;
}

.card3d {
  position: relative;
  z-index: 2;
  width: clamp(250px, 26vw, 330px);
  aspect-ratio: 749 / 1032;
  padding: 0;
  border: 0;
  background: none;
  perspective: 1600px;
  cursor: pointer;
  transition: transform 0.45s var(--ease);
}

.card3d:hover {
  transform: translateY(-6px);
}

.card3d-inner {
  position: relative;
  width: 100%;
  height: 100%;
  transform-style: preserve-3d;
  transition: transform 0.72s cubic-bezier(0.2, 0.75, 0.2, 1);
}

.card3d[data-faceup='true'] .card3d-inner {
  transform: rotateY(180deg);
}

.card-face {
  position: absolute;
  inset: 0;
  border-radius: 14px;
  overflow: hidden;
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
  background: #050505;
  box-shadow:
    0 44px 90px -36px rgba(0, 0, 0, 0.95),
    0 0 0 1px rgba(255, 255, 255, 0.16);
}

.card-face img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.card-face-front {
  transform: rotateY(180deg);
}

.demo-controls {
  display: flex;
  align-items: center;
  gap: 18px;
  flex-wrap: wrap;
  justify-content: center;
}

.demo-status {
  font-size: 9px;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.5);
}

/* ---------- age gate ---------- */

.gate-backdrop {
  position: fixed;
  inset: 0;
  z-index: 120;
  display: grid;
  place-items: center;
  padding: 20px;
  background: rgba(5, 5, 5, 0.72);
  backdrop-filter: blur(8px);
  animation: fade-in 0.25s ease;
}

@keyframes fade-in {
  from {
    opacity: 0;
  }
}

.gate {
  width: min(440px, 100%);
  background: var(--paper);
  color: var(--ink);
  padding: clamp(26px, 4vw, 38px);
  border-radius: 18px;
  box-shadow: 0 50px 120px rgba(0, 0, 0, 0.55);
}

.gate-logo {
  width: 56px;
  height: 56px;
  margin-bottom: 18px;
}

.gate-title {
  font-size: clamp(36px, 5vw, 48px);
  line-height: 0.98;
  margin: 10px 0 14px;
}

.gate-copy {
  margin: 0;
  font-size: 14px;
  line-height: 1.6;
  color: #4a4843;
}

.gate-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 24px;
}

.gate-note {
  margin: 20px 0 0;
  font-size: 9px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
}

/* ---------- inside ---------- */

.inside-grid {
  display: grid;
  grid-template-columns: 0.95fr 1.05fr;
  gap: clamp(32px, 5vw, 72px);
  align-items: stretch;
  margin-top: 56px;
}

.inside-media {
  position: relative;
  background: var(--paper-2);
  border: 1px solid var(--line);
  overflow: hidden;
  aspect-ratio: 1 / 1;
}

.inside-media img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.inside-badge {
  position: absolute;
  top: 16px;
  left: 16px;
  padding: 7px 12px;
  background: var(--ink);
  color: var(--paper);
  border-radius: 999px;
  font-size: 9px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.inside-body {
  align-self: center;
}

.spec-list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line);
}

.spec-list li {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 24px;
  padding: 17px 0;
  border-bottom: 1px solid var(--line);
}

.spec-list span {
  font-size: 9px;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
}

.spec-list strong {
  font-weight: 500;
  font-size: 14px;
  text-align: right;
}

.pull-quote {
  margin: 36px 0 0;
  font-family: 'Anton', Impact, sans-serif;
  font-size: clamp(22px, 2.5vw, 32px);
  line-height: 1.06;
  text-transform: uppercase;
}

.pull-quote cite {
  display: block;
  margin-top: 14px;
  font-family: 'Inter', sans-serif;
  font-style: normal;
  font-size: 9px;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
}

/* ---------- buy ---------- */

.buy {
  background: var(--ink);
  color: var(--paper);
}

.buy .label {
  color: rgba(247, 246, 243, 0.45);
}

.buy .section-lede {
  color: rgba(247, 246, 243, 0.7);
}

.buy-head {
  max-width: 760px;
}

.buy-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
  margin-top: 56px;
}

.buy-card {
  border: 1px solid rgba(255, 255, 255, 0.18);
  padding: clamp(26px, 3.2vw, 42px);
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 16px;
  background: rgba(255, 255, 255, 0.015);
}

.buy-title {
  font-size: clamp(40px, 4.6vw, 62px);
  line-height: 0.98;
  margin-top: 4px;
}

.buy-copy {
  margin: 0;
  max-width: 38ch;
  font-size: 14px;
  line-height: 1.6;
  color: rgba(255, 255, 255, 0.62);
}

.buy-card .btn {
  margin-top: auto;
}

.qr-block {
  display: flex;
  align-items: center;
  gap: 18px;
  margin-top: 8px;
}

.qr-frame {
  display: grid;
  place-items: center;
  width: 200px;
  height: 200px;
  padding: 10px;
  background: #fff;
  color: var(--ink);
}

.qr-frame img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.qr-empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  font-size: 8px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: #8a8a8a;
}

.qr-grid {
  width: 64px;
  height: 64px;
  background-image: repeating-conic-gradient(#0a0a0a 0% 25%, #fff 0% 50%);
  background-size: 13px 13px;
  opacity: 0.85;
}

.qr-copy {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.qr-copy strong {
  font-size: 13px;
  font-weight: 500;
}

.qr-copy a {
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: rgba(255, 255, 255, 0.55);
  text-decoration: none;
}

.qr-copy a:hover {
  color: #fff;
}

.buy-fineprint {
  margin: 40px 0 0;
  font-size: 9px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.38);
  max-width: 62ch;
  line-height: 1.8;
}

/* ---------- faq ---------- */

.faq-grid {
  display: grid;
  grid-template-columns: 0.78fr 1.22fr;
  gap: clamp(32px, 6vw, 90px);
  align-items: start;
}

.faq-head {
  position: sticky;
  top: 110px;
}

.faq-list {
  border-top: 1px solid var(--line);
}

.faq-item {
  border-bottom: 1px solid var(--line);
}

.faq-item summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 22px 0;
  cursor: pointer;
  list-style: none;
  font-size: 15.5px;
  font-weight: 500;
}

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

.faq-icon {
  position: relative;
  flex: none;
  width: 14px;
  height: 14px;
}

.faq-icon::before,
.faq-icon::after {
  content: '';
  position: absolute;
  background: var(--ink);
  transition:
    transform 0.25s ease,
    opacity 0.25s ease;
}

.faq-icon::before {
  top: 6px;
  left: 0;
  width: 14px;
  height: 1.5px;
}

.faq-icon::after {
  top: 0;
  left: 6px;
  width: 1.5px;
  height: 14px;
}

.faq-item[open] .faq-icon::after {
  transform: rotate(90deg);
  opacity: 0;
}

.faq-item p {
  margin: 0;
  padding: 0 40px 24px 0;
  font-size: 14.5px;
  line-height: 1.62;
  color: #4a4843;
  max-width: 62ch;
}

/* ---------- footer ---------- */

.footer {
  background: var(--ink);
  color: var(--paper);
  padding: 56px 0 30px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 32px;
  flex-wrap: wrap;
}

.footer-brand img {
  width: 64px;
  height: auto;
  display: block;
}

.footer-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 26px;
}

.footer-nav a {
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  text-decoration: none;
  color: rgba(255, 255, 255, 0.65);
  transition: color 0.2s ease;
}

.footer-nav a:hover {
  color: #fff;
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  margin-top: 48px;
  padding-top: 20px;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  font-size: 9px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.4);
}

/* ---------- reveal ---------- */

.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition:
    opacity 0.7s ease,
    transform 0.7s var(--ease);
}

.reveal.is-in {
  opacity: 1;
  transform: none;
}

/* ---------- responsive ---------- */

@media (max-width: 1080px) {
  .nav {
    gap: 22px;
  }

  .hero-grid {
    grid-template-columns: 1fr 0.92fr;
  }
}

@media (max-width: 920px) {
  .nav {
    display: none;
  }

  .menu-toggle {
    display: block;
  }

  .mobile-menu {
    display: flex;
    flex-direction: column;
    gap: 4px;
    padding: 8px 24px 22px;
    border-bottom: 1px solid var(--line);
    background: var(--paper);
  }

  .mobile-menu a {
    padding: 12px 0;
    border-bottom: 1px solid var(--line);
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    text-decoration: none;
  }

  .mobile-menu a:last-child {
    border-bottom: 0;
  }

  .header.is-open {
    background: var(--paper);
  }

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

  .hero-visual {
    margin-top: 12px;
  }

  .hero-sticker {
    left: auto;
    right: 14px;
    bottom: -18px;
    width: 96px;
    height: 96px;
  }

  .hero-sticker .display {
    font-size: 28px;
  }

  .stage-grid {
    grid-template-columns: 1fr;
    gap: 14px;
  }

  .stage-desc {
    min-height: 0;
  }

  .demo-grid {
    grid-template-columns: 1fr;
    gap: 52px;
  }

  .demo-stage {
    order: 2;
  }

  .demo-copy {
    order: 1;
  }

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

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

  .faq-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .faq-head {
    position: static;
  }
}

@media (max-width: 620px) {
  .container {
    width: min(var(--container), 100% - 36px);
  }

  .section {
    padding: 68px 0;
  }

  .hero {
    padding-top: 28px;
  }

  .hero-title {
    font-size: clamp(54px, 15vw, 84px);
  }

  .hero-title .outline {
    -webkit-text-stroke-width: 1.5px;
  }

  .hero-cta .btn {
    flex: 1 1 100%;
  }

  .hero-meta {
    gap: 0;
  }

  .hero-meta li + li {
    padding-left: 12px;
    margin-left: 12px;
  }

  .header-inner {
    height: 66px;
  }

  .age-pill {
    display: none;
  }

  .header-actions .btn-sm {
    height: 36px;
    padding: 0 14px;
    font-size: 9px;
  }

  .brand-word {
    font-size: 16px;
  }

  .brand-mark {
    height: 28px;
  }

  .stage-card {
    padding: 22px 22px 16px;
  }

  .stage-sample {
    margin-inline: -22px;
  }

  .stage-sample img {
    width: 56%;
  }

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

  .step {
    padding: 22px 0 0;
  }

  .step + .step {
    padding-left: 0;
    margin-top: 22px;
    border-left: 0;
    border-top: 1px solid var(--line);
  }

  .card3d,
  .deck-stack {
    width: min(300px, 82vw);
  }

  .buy-card {
    padding: 24px;
  }

  .qr-block {
    flex-direction: row;
  }

  .footer-bottom {
    flex-direction: column;
    gap: 10px;
  }

  .gate-actions .btn {
    flex: 1 1 auto;
  }
}

@media (max-width: 520px) {
  .header-actions .btn-sm {
    display: none;
  }
}

@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;
  }

  .reveal {
    opacity: 1;
    transform: none;
  }
}