/* ==========================================================================
   AETHERFALL — Pre-Registration Landing Page
   Obsidian & Ember design system. No external frameworks.
   ========================================================================== */

/* ---------- Reset ---------- */
*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

/* ---------- Design Tokens ---------- */
:root {
  /* Palette — obsidian night, forge ember, aether crystal */
  --bg-obsidian: #0a0c10;
  --bg-panel: #12151c;
  --bg-raised: #181c26;
  --ember: #f0a93c;
  --ember-bright: #ffc96b;
  --ember-deep: #c97f1e;
  --aether: #5eead4;
  --bone: #ede6d6;
  --ash: #9aa1ac;
  --line: rgba(237, 230, 214, 0.08);
  --line-strong: rgba(237, 230, 214, 0.16);
  --danger: #ff7a6e;

  /* Type */
  --font-display: "Cinzel", "Georgia", "Times New Roman", serif;
  --font-body: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;

  /* Layout */
  --container: 1200px;
  --nav-h: 76px;
  --radius: 14px;
  --radius-sm: 10px;

  /* Motion */
  --ease-out: cubic-bezier(0.22, 0.61, 0.2, 1);
  --dur: 0.65s;
}

/* ---------- Base ---------- */
html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--nav-h) + 16px);
  -webkit-text-size-adjust: 100%;
}

body {
  background: var(--bg-obsidian);
  color: var(--bone);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

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

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

ul {
  list-style: none;
}

b,
strong {
  font-weight: 600;
}

::selection {
  background: rgba(240, 169, 60, 0.35);
  color: #fff;
}

:focus-visible {
  outline: 2px solid var(--ember);
  outline-offset: 3px;
  border-radius: 4px;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: 24px;
}

/* ---------- Typography helpers ---------- */
.kicker {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  color: var(--ember);
  margin-bottom: 16px;
}

.section-head {
  max-width: 720px;
  margin: 0 auto 64px;
  text-align: center;
}

.section-head h2,
.world-copy h2 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2rem, 4.2vw, 3rem);
  line-height: 1.15;
  letter-spacing: 0.02em;
  color: var(--bone);
}

.lede {
  margin-top: 18px;
  color: var(--ash);
  font-size: 17px;
}

.section {
  padding: 112px 0;
  position: relative;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 15px;
  letter-spacing: 0.02em;
  border: none;
  border-radius: 999px;
  cursor: pointer;
  padding: 14px 28px;
  transition: transform 0.2s var(--ease-out), box-shadow 0.3s var(--ease-out),
    background-color 0.3s var(--ease-out), border-color 0.3s var(--ease-out);
  white-space: nowrap;
}

.btn:active {
  transform: translateY(2px);
}

.btn-primary {
  background: var(--ember);
  color: #191006;
  box-shadow: 0 0 0 rgba(240, 169, 60, 0);
}

.btn-primary:hover {
  background: var(--ember-bright);
  box-shadow: 0 0 24px rgba(240, 169, 60, 0.45), 0 0 64px rgba(240, 169, 60, 0.15);
  transform: translateY(-1px);
}

.btn-sm {
  padding: 10px 20px;
  font-size: 14px;
}

.btn-lg {
  padding: 16px 32px;
  font-size: 16px;
}

.btn-ghost {
  background: transparent;
  color: var(--bone);
  border: 1px solid var(--line-strong);
}

.btn-ghost:hover {
  border-color: rgba(240, 169, 60, 0.55);
  color: var(--ember-bright);
  box-shadow: 0 0 20px rgba(240, 169, 60, 0.12);
}

/* ---------- Nav ---------- */
.site-nav {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 100;
  height: var(--nav-h);
  display: flex;
  align-items: center;
  background: rgba(10, 12, 16, 0.55);
  -webkit-backdrop-filter: blur(14px);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid transparent;
  transition: background-color 0.35s var(--ease-out), border-color 0.35s var(--ease-out);
}

.site-nav.is-scrolled {
  background: rgba(10, 12, 16, 0.86);
  border-bottom-color: var(--line);
}

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

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--ember);
}

.brand-name {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 19px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--bone);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav-links a {
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--ash);
  transition: color 0.25s var(--ease-out);
}

.nav-links a:hover {
  color: var(--ember-bright);
}

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

.nav-burger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 42px;
  height: 42px;
  padding: 10px;
  background: transparent;
  border: 1px solid var(--line-strong);
  border-radius: 10px;
  cursor: pointer;
}

.nav-burger span {
  display: block;
  height: 2px;
  border-radius: 2px;
  background: var(--bone);
  transition: transform 0.3s var(--ease-out), opacity 0.3s var(--ease-out);
}

/* ---------- Hero ---------- */
.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  align-items: center;
  padding: calc(var(--nav-h) + 48px) 0 96px;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background: url("/public/hero-bg.jpg") center 32% / cover no-repeat;
  transform: scale(1.04);
  animation: heroDrift 24s var(--ease-out) forwards;
}

@keyframes heroDrift {
  to {
    transform: scale(1);
  }
}

.hero-veil {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(58% 46% at 50% 88%, rgba(240, 169, 60, 0.16), transparent 70%),
    linear-gradient(180deg, rgba(10, 12, 16, 0.72) 0%, rgba(10, 12, 16, 0.38) 42%, rgba(10, 12, 16, 0.92) 100%);
}

/* Floating embers (JS spawns particles) */
.embers {
  position: absolute;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
}

.ember-particle {
  position: absolute;
  bottom: -4vh;
  border-radius: 50%;
  background: radial-gradient(circle, #ffd98a 0%, var(--ember) 45%, transparent 75%);
  filter: blur(0.4px);
  opacity: 0;
  animation: emberRise linear infinite;
  will-change: transform, opacity;
}

@keyframes emberRise {
  0% {
    transform: translate3d(0, 0, 0);
    opacity: 0;
  }
  12% {
    opacity: 0.9;
  }
  70% {
    opacity: 0.55;
  }
  100% {
    transform: translate3d(4vw, -112vh, 0);
    opacity: 0;
  }
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 880px;
}

.hero-eyebrow {
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--ember);
  text-shadow: 0 2px 12px rgba(0, 0, 0, 0.6);
}

.hero-title {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(3rem, 9vw, 5.5rem);
  line-height: 1.05;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin: 20px 0 18px;
  color: #fff;
  text-shadow:
    0 0 32px rgba(240, 169, 60, 0.22),
    0 4px 40px rgba(0, 0, 0, 0.65);
}

.hero-tagline {
  font-size: clamp(1.05rem, 2.2vw, 1.3rem);
  color: var(--bone);
  opacity: 0.94;
  text-shadow: 0 2px 16px rgba(0, 0, 0, 0.55);
}

/* ---------- Registration form ---------- */
.reg-form {
  margin-top: 36px;
}

.reg-row {
  display: flex;
  gap: 12px;
  justify-content: center;
  max-width: 560px;
  margin-inline: auto;
}

.reg-input {
  flex: 1 1 auto;
  min-width: 0;
  height: 56px;
  padding: 0 20px;
  font: inherit;
  font-size: 15px;
  color: var(--bone);
  background: rgba(18, 21, 28, 0.78);
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
  transition: border-color 0.25s var(--ease-out), box-shadow 0.25s var(--ease-out);
}

.reg-input::placeholder {
  color: var(--ash);
}

.reg-input:focus {
  outline: none;
  border-color: rgba(240, 169, 60, 0.65);
  box-shadow: 0 0 0 4px rgba(240, 169, 60, 0.14);
}

.reg-input.is-invalid {
  border-color: var(--danger);
  box-shadow: 0 0 0 4px rgba(255, 122, 110, 0.12);
}

.form-msg {
  margin-top: 12px;
  font-size: 14px;
}

.form-error {
  color: var(--danger);
}

.form-note {
  margin-top: 16px;
  font-size: 14px;
  color: var(--ash);
}

.form-note b {
  color: var(--ember-bright);
  font-variant-numeric: tabular-nums;
}

.form-success {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  max-width: 560px;
  margin-inline: auto;
  padding: 16px 22px;
  background: rgba(94, 234, 212, 0.07);
  border: 1px solid rgba(94, 234, 212, 0.35);
  border-radius: var(--radius);
  animation: successIn 0.5s var(--ease-out);
}

.success-mark {
  color: var(--aether);
  flex-shrink: 0;
}

.success-copy {
  text-align: left;
  line-height: 1.45;
}

.success-copy b {
  display: block;
  color: var(--aether);
  font-size: 16px;
}

.success-copy span {
  color: var(--ash);
  font-size: 14px;
}

@keyframes successIn {
  from {
    opacity: 0;
    transform: translateY(8px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

/* ---------- Countdown ---------- */
.countdown {
  margin-top: 40px;
}

.countdown-label {
  display: block;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--ash);
  margin-bottom: 14px;
}

.countdown-cells {
  display: inline-flex;
  gap: 12px;
}

.cd-cell {
  min-width: 76px;
  padding: 12px 8px 10px;
  background: rgba(18, 21, 28, 0.72);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
}

.cd-cell b {
  display: block;
  font-size: 26px;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  color: var(--bone);
  line-height: 1.1;
}

.cd-cell span {
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ash);
}

/* ---------- Platform chips ---------- */
.platform-row {
  margin-top: 44px;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px 14px;
}

.platform-chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 16px;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  background: rgba(18, 21, 28, 0.6);
  color: var(--ash);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.06em;
}

.platform-chip svg {
  width: 17px;
  height: 17px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.6;
  stroke-linecap: round;
  stroke-linejoin: round;
  color: var(--ember);
}

.platform-chip svg .dot {
  fill: currentColor;
  stroke: none;
}

.scroll-cue {
  position: absolute;
  left: 50%;
  bottom: 26px;
  transform: translateX(-50%);
  z-index: 2;
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  color: var(--ash);
  border: 1px solid var(--line);
  border-radius: 50%;
  animation: cueBob 2.2s ease-in-out infinite;
  transition: color 0.25s var(--ease-out), border-color 0.25s var(--ease-out);
}

.scroll-cue:hover {
  color: var(--ember-bright);
  border-color: rgba(240, 169, 60, 0.4);
}

@keyframes cueBob {
  0%,
  100% {
    transform: translate(-50%, 0);
  }
  50% {
    transform: translate(-50%, 8px);
  }
}

/* ---------- Stats strip ---------- */
.stats {
  border-block: 1px solid var(--line);
  background:
    linear-gradient(rgba(15, 17, 23, 0.96), rgba(15, 17, 23, 0.96)),
    url("/public/bg-stone.jpg") center / cover no-repeat;
}

/* ---------- Features ---------- */
#features {
  background:
    linear-gradient(180deg, rgba(10, 12, 16, 0.93) 0%, rgba(10, 12, 16, 0.86) 100%),
    url("/public/bg-stone.jpg") center / cover no-repeat;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  padding-block: 44px;
}

.stat {
  text-align: center;
}

.stat b {
  display: block;
  font-family: var(--font-display);
  font-size: clamp(1.7rem, 3vw, 2.2rem);
  font-weight: 800;
  color: var(--ember);
  font-variant-numeric: tabular-nums;
  line-height: 1.2;
}

.stat span {
  display: block;
  margin-top: 6px;
  font-size: 13px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ash);
}

/* ---------- Features ---------- */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.feature-card {
  background: var(--bg-panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 32px 26px;
  transition: transform 0.4s var(--ease-out), border-color 0.4s var(--ease-out),
    box-shadow 0.4s var(--ease-out);
}

.feature-card:hover {
  transform: translateY(-5px);
  border-color: rgba(240, 169, 60, 0.35);
  box-shadow: 0 18px 44px rgba(0, 0, 0, 0.45), 0 0 32px rgba(240, 169, 60, 0.07);
}

/* Heraldic emblem frame — beveled octagon with ember gradient rim */
.feature-icon {
  width: 60px;
  height: 60px;
  margin-bottom: 24px;
  padding: 1.5px;
  display: block;
  background: linear-gradient(155deg, var(--ember-bright) 0%, var(--ember) 42%, var(--ember-deep) 100%);
  clip-path: polygon(16% 0, 84% 0, 100% 16%, 100% 84%, 84% 100%, 16% 100%, 0 84%, 0 16%);
  filter: drop-shadow(0 0 16px rgba(240, 169, 60, 0.22));
  transition: filter 0.4s var(--ease-out);
}

.feature-icon-inner {
  width: 100%;
  height: 100%;
  display: grid;
  place-items: center;
  background: linear-gradient(165deg, #1a1e29 0%, var(--bg-panel) 55%);
  clip-path: polygon(16% 0, 84% 0, 100% 16%, 100% 84%, 84% 100%, 16% 100%, 0 84%, 0 16%);
  transition: background 0.4s var(--ease-out);
}

.feature-icon svg {
  width: 27px;
  height: 27px;
  fill: none;
  stroke-width: 1.5;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.feature-card:hover .feature-icon {
  filter: drop-shadow(0 0 24px rgba(240, 169, 60, 0.5));
}

.feature-card:hover .feature-icon-inner {
  background: linear-gradient(165deg, #241c10 0%, #16130c 60%);
}

.feature-card h3 {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 10px;
  color: var(--bone);
}

.feature-card p {
  font-size: 15px;
  color: var(--ash);
}

/* ---------- World ---------- */
.section-world {
  background:
    radial-gradient(60% 80% at 85% 20%, rgba(94, 234, 212, 0.07), transparent 65%),
    linear-gradient(180deg, rgba(10, 12, 16, 0.9) 0%, rgba(10, 12, 16, 0.94) 100%),
    url("/public/bg-mist.jpg") center / cover no-repeat;
  border-block: 1px solid var(--line);
}

.world-grid {
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  gap: 72px;
  align-items: center;
}

.world-media {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--line-strong);
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.5);
}

.world-media img {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  transition: transform 6s var(--ease-out);
}

.world-media:hover img {
  transform: scale(1.045);
}

.world-media figcaption {
  position: absolute;
  left: 16px;
  bottom: 14px;
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--bone);
  background: rgba(10, 12, 16, 0.66);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 6px 14px;
  -webkit-backdrop-filter: blur(6px);
  backdrop-filter: blur(6px);
}

.world-copy .lede {
  max-width: 520px;
}

.lore-list {
  margin-top: 36px;
  display: grid;
  gap: 22px;
}

.lore-list li {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}

.lore-shard {
  flex-shrink: 0;
  width: 12px;
  height: 12px;
  margin-top: 7px;
  background: var(--aether);
  transform: rotate(45deg);
  box-shadow: 0 0 14px rgba(94, 234, 212, 0.55);
}

.lore-list b {
  display: block;
  font-size: 16px;
  color: var(--bone);
}

.lore-list p {
  font-size: 15px;
  color: var(--ash);
}

.world-copy .btn-ghost {
  margin-top: 36px;
}

/* ---------- Classes ---------- */
#classes {
  background:
    linear-gradient(180deg, rgba(10, 12, 16, 0.9) 0%, rgba(10, 12, 16, 0.95) 100%),
    url("/public/bg-mist.jpg") center 25% / cover no-repeat;
}

.class-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}

.class-card {
  background: var(--bg-panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  transition: transform 0.4s var(--ease-out), border-color 0.4s var(--ease-out),
    box-shadow 0.4s var(--ease-out);
}

.class-card:hover {
  transform: translateY(-6px);
  border-color: rgba(240, 169, 60, 0.4);
  box-shadow: 0 22px 60px rgba(0, 0, 0, 0.5), 0 0 40px rgba(240, 169, 60, 0.08);
}

.class-media {
  overflow: hidden;
}

.class-media img {
  width: 100%;
  aspect-ratio: 2 / 3;
  object-fit: cover;
  object-position: top center;
  transition: transform 0.7s var(--ease-out);
}

.class-card:hover .class-media img {
  transform: scale(1.05);
}

.class-body {
  padding: 24px 24px 28px;
}

.class-tag {
  display: inline-block;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--aether);
  border: 1px solid rgba(94, 234, 212, 0.35);
  border-radius: 999px;
  padding: 4px 12px;
  margin-bottom: 12px;
}

.class-body h3 {
  font-family: var(--font-display);
  font-size: 24px;
  font-weight: 800;
  letter-spacing: 0.04em;
  margin-bottom: 8px;
}

.class-body p {
  font-size: 15px;
  color: var(--ash);
}

/* ---------- Rewards ---------- */
.section-rewards {
  background:
    radial-gradient(52% 60% at 50% 0%, rgba(240, 169, 60, 0.09), transparent 70%),
    linear-gradient(180deg, rgba(10, 12, 16, 0.9) 0%, rgba(10, 12, 16, 0.94) 100%),
    url("/public/bg-forge.jpg") center 30% / cover no-repeat;
  border-block: 1px solid var(--line);
}

.progress-track {
  position: relative;
  height: 8px;
  border-radius: 999px;
  background: rgba(237, 230, 214, 0.1);
  margin: 0 8px 56px;
}

.progress-fill {
  position: absolute;
  inset: 0 auto 0 0;
  width: 0;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--ember-deep), var(--ember) 60%, var(--ember-bright));
  box-shadow: 0 0 18px rgba(240, 169, 60, 0.5);
  transition: width 1.6s var(--ease-out);
}

.tier-dot {
  position: absolute;
  top: 50%;
  left: var(--at, 50%);
  width: 18px;
  height: 18px;
  transform: translate(-50%, -50%);
  border-radius: 50%;
  background: #2a2e38;
  border: 2px solid rgba(237, 230, 214, 0.25);
  transition: background-color 0.4s var(--ease-out), border-color 0.4s var(--ease-out),
    box-shadow 0.4s var(--ease-out);
}

.tier-dot.is-unlocked {
  background: var(--ember);
  border-color: var(--ember-bright);
  box-shadow: 0 0 16px rgba(240, 169, 60, 0.55);
}

.tier-dot.is-next {
  background: var(--bg-obsidian);
  border-color: var(--ember);
  animation: dotPulse 2s ease-in-out infinite;
}

@keyframes dotPulse {
  0%,
  100% {
    box-shadow: 0 0 0 0 rgba(240, 169, 60, 0.45);
  }
  50% {
    box-shadow: 0 0 0 8px rgba(240, 169, 60, 0);
  }
}

.milestone-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.milestone-card {
  background: var(--bg-obsidian);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 26px 22px;
  text-align: center;
  transition: transform 0.35s var(--ease-out), border-color 0.35s var(--ease-out);
}

.milestone-card:hover {
  transform: translateY(-4px);
  border-color: rgba(240, 169, 60, 0.3);
}

.milestone-card.is-unlocked {
  border-color: rgba(94, 234, 212, 0.28);
}

.ms-tier {
  display: block;
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 800;
  color: var(--ember);
  font-variant-numeric: tabular-nums;
  margin-bottom: 10px;
}

.milestone-card h3 {
  font-size: 16px;
  font-weight: 700;
  color: var(--bone);
  margin-bottom: 8px;
}

.milestone-card p {
  font-size: 13.5px;
  color: var(--ash);
  min-height: 62px;
}

.ms-status {
  display: inline-block;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ash);
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  padding: 5px 14px;
}

.ms-status.is-aether {
  color: var(--aether);
  border-color: rgba(94, 234, 212, 0.4);
  background: rgba(94, 234, 212, 0.06);
}

.ms-status.is-ember {
  color: var(--ember-bright);
  border-color: rgba(240, 169, 60, 0.45);
  background: rgba(240, 169, 60, 0.07);
}

.milestone-note {
  margin-top: 32px;
  text-align: center;
  font-size: 14px;
  color: var(--ash);
}

.milestone-note b {
  color: var(--ember-bright);
  font-variant-numeric: tabular-nums;
}

/* ---------- Media gallery ---------- */
.media-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  grid-auto-rows: 185px;
  gap: 16px;
}

.media-feature {
  grid-column: span 2;
  grid-row: span 2;
}

.media-thumb.is-wide {
  grid-column: span 2;
}

.media-feature,
.media-thumb {
  position: relative;
  display: block;
  overflow: hidden;
  padding: 0;
  background: var(--bg-panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  cursor: zoom-in;
  transition: border-color 0.35s var(--ease-out), box-shadow 0.35s var(--ease-out),
    transform 0.35s var(--ease-out);
}

.media-feature:hover,
.media-thumb:hover {
  border-color: rgba(240, 169, 60, 0.45);
  box-shadow: 0 18px 44px rgba(0, 0, 0, 0.45), 0 0 32px rgba(240, 169, 60, 0.1);
  transform: translateY(-3px);
}

.media-feature img,
.media-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.7s var(--ease-out);
}

.media-feature:hover img,
.media-thumb:hover img {
  transform: scale(1.05);
}

.media-feature::after,
.media-thumb::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 55%, rgba(10, 12, 16, 0.72) 100%);
  pointer-events: none;
}

.media-tag {
  position: absolute;
  left: 14px;
  bottom: 12px;
  z-index: 2;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--bone);
  background: rgba(10, 12, 16, 0.72);
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  padding: 5px 12px;
  -webkit-backdrop-filter: blur(6px);
  backdrop-filter: blur(6px);
}

.media-play {
  position: absolute;
  top: 50%;
  left: 50%;
  z-index: 2;
  width: 66px;
  height: 66px;
  transform: translate(-50%, -50%);
  display: grid;
  place-items: center;
  color: #191006;
  background: linear-gradient(155deg, var(--ember-bright), var(--ember-deep));
  border-radius: 50%;
  box-shadow: 0 0 0 0 rgba(240, 169, 60, 0.45);
  animation: playPulse 2.4s ease-in-out infinite;
  transition: transform 0.3s var(--ease-out);
}

.media-feature:hover .media-play {
  transform: translate(-50%, -50%) scale(1.08);
}

.media-play svg {
  margin-left: 3px;
}

@keyframes playPulse {
  0%,
  100% {
    box-shadow: 0 0 0 0 rgba(240, 169, 60, 0.4);
  }
  55% {
    box-shadow: 0 0 0 18px rgba(240, 169, 60, 0);
  }
}

/* ---------- Lightbox ---------- */
body.lb-open {
  overflow: hidden;
}

.lightbox {
  position: fixed;
  inset: 0;
  z-index: 220;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 18px;
  padding: 48px 76px 64px;
  background: rgba(6, 7, 10, 0.94);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
  animation: lbIn 0.3s var(--ease-out);
}

/* Global: author display rules (flex/grid on .lightbox, .form-success,
   .quiz-progress, .quiz-result ...) must never override the hidden attribute,
   otherwise "hidden = true" toggles become impossible to hide */
[hidden] {
  display: none !important;
}

@keyframes lbIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

.lb-stage {
  max-width: min(1200px, 100%);
}

.lb-stage img {
  width: 100%;
  max-height: 74vh;
  object-fit: contain;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  box-shadow: 0 40px 120px rgba(0, 0, 0, 0.6);
}

.lb-caption {
  font-size: 14px;
  color: var(--ash);
  text-align: center;
  max-width: 640px;
}

.lb-btn {
  position: absolute;
  display: grid;
  place-items: center;
  width: 46px;
  height: 46px;
  color: var(--bone);
  background: rgba(24, 28, 38, 0.8);
  border: 1px solid var(--line-strong);
  border-radius: 50%;
  cursor: pointer;
  transition: color 0.25s var(--ease-out), border-color 0.25s var(--ease-out),
    background-color 0.25s var(--ease-out);
}

.lb-btn:hover {
  color: var(--ember-bright);
  border-color: rgba(240, 169, 60, 0.5);
}

.lb-close {
  top: 22px;
  right: 22px;
}

.lb-prev {
  left: 22px;
  top: 50%;
  transform: translateY(-50%);
}

.lb-next {
  right: 22px;
  top: 50%;
  transform: translateY(-50%);
}

/* ---------- Class quiz ---------- */
.section-quiz {
  background:
    radial-gradient(46% 60% at 50% 32%, rgba(94, 234, 212, 0.05), transparent 70%),
    var(--bg-obsidian);
}

.quiz-panel {
  max-width: 760px;
  margin: 0 auto;
  background: var(--bg-panel);
  border: 1px solid var(--line-strong);
  border-radius: 18px;
  padding: 36px 40px 40px;
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.4);
}

.quiz-progress {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 26px;
}

.qp-step {
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.14em;
  color: var(--ash);
  font-variant-numeric: tabular-nums;
}

.qp-step b {
  color: var(--ember);
  font-size: 15px;
}

.qp-track {
  display: inline-flex;
  gap: 8px;
  flex: 1;
}

.qp-track i {
  height: 3px;
  flex: 1;
  border-radius: 999px;
  background: rgba(237, 230, 214, 0.12);
  transition: background-color 0.4s var(--ease-out), box-shadow 0.4s var(--ease-out);
}

.qp-track i.is-done {
  background: var(--ember);
  box-shadow: 0 0 12px rgba(240, 169, 60, 0.45);
}

.quiz-q {
  border: none;
}

.quiz-q legend {
  font-size: 19px;
  font-weight: 600;
  color: var(--bone);
  margin-bottom: 22px;
  padding: 0;
}

.quiz-opts {
  display: grid;
  gap: 12px;
}

.quiz-opt {
  display: flex;
  align-items: center;
  gap: 16px;
  width: 100%;
  text-align: left;
  padding: 16px 20px;
  background: var(--bg-raised);
  border: 1px solid var(--line);
  border-radius: 12px;
  cursor: pointer;
  transition: border-color 0.25s var(--ease-out), background-color 0.25s var(--ease-out),
    transform 0.25s var(--ease-out), box-shadow 0.25s var(--ease-out);
}

.quiz-opt:hover {
  border-color: rgba(240, 169, 60, 0.5);
  background: #1c2130;
  transform: translateX(4px);
}

.quiz-opt.is-picked {
  border-color: var(--ember);
  background: rgba(240, 169, 60, 0.09);
  box-shadow: 0 0 0 3px rgba(240, 169, 60, 0.12);
}

.qo-mark {
  flex-shrink: 0;
  width: 14px;
  height: 14px;
  background: linear-gradient(155deg, var(--ember-bright), var(--ember-deep));
  transform: rotate(45deg);
  opacity: 0.55;
  transition: opacity 0.25s var(--ease-out), box-shadow 0.25s var(--ease-out);
}

.quiz-opt.is-picked .qo-mark,
.quiz-opt:hover .qo-mark {
  opacity: 1;
  box-shadow: 0 0 12px rgba(240, 169, 60, 0.55);
}

.qo-text b {
  display: block;
  font-size: 15.5px;
  font-weight: 600;
  color: var(--bone);
  line-height: 1.4;
}

.qo-text em {
  display: block;
  font-style: normal;
  font-size: 13px;
  color: var(--ash);
  margin-top: 2px;
}

.quiz-result {
  display: grid;
  grid-template-columns: 190px 1fr;
  gap: 28px;
  align-items: center;
  animation: successIn 0.5s var(--ease-out);
}

.quiz-result-media img {
  width: 100%;
  aspect-ratio: 3 / 4;
  object-fit: cover;
  object-position: top center;
  border-radius: 12px;
  border: 1px solid rgba(240, 169, 60, 0.3);
  box-shadow: 0 16px 44px rgba(0, 0, 0, 0.5);
}

.quiz-result-kicker {
  display: block;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.26em;
  text-transform: uppercase;
  color: var(--aether);
  margin-bottom: 10px;
}

.quiz-result-copy h3 {
  font-family: var(--font-display);
  font-size: 24px;
  font-weight: 800;
  letter-spacing: 0.03em;
  margin-bottom: 12px;
}

.quiz-result-copy h3 span {
  color: var(--ember-bright);
}

.quiz-result-copy p {
  font-size: 15px;
  color: var(--ash);
  margin-bottom: 24px;
}

.quiz-result-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ---------- Roadmap ---------- */
#roadmap {
  border-top: 1px solid var(--line);
}

.roadmap-line {
  max-width: 780px;
  margin: 0 auto;
  position: relative;
  padding-left: 44px;
}

.roadmap-line::before {
  content: "";
  position: absolute;
  left: 8px;
  top: 8px;
  bottom: 8px;
  width: 1px;
  background: linear-gradient(180deg, var(--ember) 0%, rgba(240, 169, 60, 0.25) 70%, transparent 100%);
}

.roadmap-node {
  position: relative;
  padding-bottom: 40px;
}

.roadmap-node:last-child {
  padding-bottom: 0;
}

.roadmap-node::before {
  content: "";
  position: absolute;
  left: -42px;
  top: 6px;
  width: 17px;
  height: 17px;
  transform: rotate(45deg);
  background: var(--bg-obsidian);
  border: 2px solid rgba(240, 169, 60, 0.5);
  transition: background-color 0.3s var(--ease-out), box-shadow 0.3s var(--ease-out);
}

.roadmap-node.is-launch::before {
  background: var(--ember);
  border-color: var(--ember-bright);
  box-shadow: 0 0 18px rgba(240, 169, 60, 0.6);
}

.rm-date {
  display: block;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--aether);
  margin-bottom: 10px;
}

.rm-card {
  background: var(--bg-panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 26px 28px;
  transition: border-color 0.35s var(--ease-out), transform 0.35s var(--ease-out),
    box-shadow 0.35s var(--ease-out);
}

.rm-card:hover {
  border-color: rgba(240, 169, 60, 0.35);
  transform: translateX(6px);
  box-shadow: 0 16px 44px rgba(0, 0, 0, 0.4);
}

.rm-card h3 {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 800;
  letter-spacing: 0.03em;
  margin-bottom: 10px;
}

.rm-card p {
  font-size: 15px;
  color: var(--ash);
  margin-bottom: 16px;
}

.rm-tag {
  display: inline-block;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ember-bright);
  border: 1px solid rgba(240, 169, 60, 0.4);
  border-radius: 999px;
  padding: 4px 12px;
  background: rgba(240, 169, 60, 0.06);
}

/* ---------- Dev blog + quotes ---------- */
#blog {
  background:
    linear-gradient(180deg, rgba(10, 12, 16, 0.93) 0%, rgba(10, 12, 16, 0.88) 100%),
    url("/public/bg-stone.jpg") center 20% / cover no-repeat;
  border-top: 1px solid var(--line);
}

.blog-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.blog-card {
  background: var(--bg-panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  transition: transform 0.4s var(--ease-out), border-color 0.4s var(--ease-out),
    box-shadow 0.4s var(--ease-out);
}

.blog-card:hover {
  transform: translateY(-5px);
  border-color: rgba(240, 169, 60, 0.35);
  box-shadow: 0 18px 44px rgba(0, 0, 0, 0.45), 0 0 32px rgba(240, 169, 60, 0.07);
}

.blog-media {
  position: relative;
  overflow: hidden;
}

.blog-media img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  transition: transform 0.7s var(--ease-out);
}

.blog-card:hover .blog-media img {
  transform: scale(1.05);
}

.blog-tag {
  position: absolute;
  top: 12px;
  left: 12px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: #191006;
  background: linear-gradient(155deg, var(--ember-bright), var(--ember));
  border-radius: 999px;
  padding: 4px 12px;
}

.blog-body {
  padding: 22px 24px 26px;
}

.blog-body time {
  display: block;
  font-size: 12px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ash);
  margin-bottom: 10px;
  font-variant-numeric: tabular-nums;
}

.blog-body h3 {
  font-size: 17px;
  font-weight: 700;
  line-height: 1.45;
  color: var(--bone);
  margin-bottom: 10px;
}

.blog-body p {
  font-size: 14.5px;
  color: var(--ash);
  margin-bottom: 18px;
}

.blog-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  font-weight: 600;
  color: var(--aether);
  transition: color 0.25s var(--ease-out), gap 0.25s var(--ease-out);
}

.blog-link:hover {
  color: var(--ember-bright);
  gap: 12px;
}

.quotes-grid {
  margin-top: 48px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.quote-card {
  background: var(--bg-panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 26px 26px 22px;
  position: relative;
}

.quote-card::before {
  content: "\201C";
  position: absolute;
  top: 6px;
  right: 18px;
  font-family: var(--font-display);
  font-size: 56px;
  line-height: 1;
  color: rgba(240, 169, 60, 0.22);
}

.quote-card blockquote {
  font-size: 15.5px;
  line-height: 1.65;
  color: var(--bone);
  margin-bottom: 18px;
}

.quote-card blockquote em {
  color: var(--ember-bright);
  font-style: normal;
}

.quote-card figcaption b {
  display: block;
  font-size: 14px;
  color: var(--bone);
}

.quote-card figcaption span {
  font-size: 12.5px;
  color: var(--ash);
}

/* ---------- FAQ ---------- */
#faq {
  background:
    linear-gradient(180deg, rgba(10, 12, 16, 0.93) 0%, rgba(10, 12, 16, 0.9) 100%),
    url("/public/bg-stone.jpg") center 70% / cover no-repeat;
}

.faq-wrap {
  max-width: 780px;
}

.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: 20px;
  padding: 22px 4px;
  font-size: 17px;
  font-weight: 600;
  color: var(--bone);
  cursor: pointer;
  list-style: none;
  transition: color 0.25s var(--ease-out);
}

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

.faq-item summary::after {
  content: "";
  flex-shrink: 0;
  width: 22px;
  height: 22px;
  background:
    linear-gradient(var(--ember), var(--ember)) center / 14px 2px no-repeat,
    linear-gradient(var(--ember), var(--ember)) center / 2px 14px no-repeat;
  transition: transform 0.35s var(--ease-out);
}

.faq-item[open] summary::after {
  transform: rotate(45deg);
}

.faq-item summary:hover {
  color: var(--ember-bright);
}

.faq-body {
  padding: 0 40px 24px 4px;
}

.faq-body p {
  color: var(--ash);
  font-size: 15.5px;
}

/* ---------- Final CTA ---------- */
.section-cta {
  padding-bottom: 140px;
}

.cta-panel {
  position: relative;
  text-align: center;
  background:
    linear-gradient(180deg, rgba(11, 13, 18, 0.84) 0%, rgba(11, 13, 18, 0.9) 100%),
    url("/public/bg-forge.jpg") center / cover no-repeat;
  border: 1px solid var(--line-strong);
  border-radius: 22px;
  padding: 72px 48px;
  overflow: hidden;
}

.cta-panel::before {
  content: "";
  position: absolute;
  inset: auto -10% -55% -10%;
  height: 90%;
  background: radial-gradient(50% 60% at 50% 100%, rgba(240, 169, 60, 0.16), transparent 70%);
  pointer-events: none;
}

.cta-panel > * {
  position: relative;
}

.cta-panel h2 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2.2rem, 5vw, 3.4rem);
  letter-spacing: 0.02em;
  margin-bottom: 16px;
}

.cta-lede {
  max-width: 560px;
  margin: 0 auto 8px;
  color: var(--ash);
}

.cta-perks {
  margin-top: 36px;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px 28px;
}

.cta-perks li {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-size: 14px;
  font-weight: 600;
  color: var(--bone);
}

.cta-perks svg {
  width: 17px;
  height: 17px;
  color: var(--aether);
}

/* ---------- Footer ---------- */
.site-footer {
  border-top: 1px solid var(--line);
  background: #07080b;
  padding: 72px 0 36px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 48px;
  border-bottom: 1px solid var(--line);
}

.footer-brand p {
  margin-top: 18px;
  max-width: 320px;
  font-size: 14px;
  color: var(--ash);
}

.social-row {
  margin-top: 22px;
  display: flex;
  gap: 10px;
}

.social-row a {
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  border: 1px solid var(--line-strong);
  border-radius: 10px;
  color: var(--ash);
  transition: color 0.25s var(--ease-out), border-color 0.25s var(--ease-out),
    transform 0.25s var(--ease-out);
}

.social-row a:hover {
  color: var(--ember-bright);
  border-color: rgba(240, 169, 60, 0.45);
  transform: translateY(-2px);
}

.social-row svg {
  width: 17px;
  height: 17px;
}

.footer-col {
  display: grid;
  gap: 12px;
  align-content: start;
}

.footer-col h4 {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--bone);
  margin-bottom: 6px;
}

.footer-col a {
  font-size: 14px;
  color: var(--ash);
  transition: color 0.25s var(--ease-out);
}

.footer-col a:hover {
  color: var(--ember-bright);
}

.footer-legal {
  display: flex;
  align-items: center;
  gap: 24px;
  padding-top: 32px;
}

.esrb {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  gap: 12px;
}

.esrb-mark {
  display: grid;
  place-items: center;
  width: 44px;
  height: 56px;
  border: 2px solid var(--bone);
  border-radius: 4px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 20px;
  color: var(--bone);
}

.esrb-text {
  font-size: 11px;
  line-height: 1.5;
  color: var(--ash);
}

.footer-legal p {
  font-size: 12.5px;
  color: var(--ash);
  line-height: 1.6;
}

/* ---------- Mobile sticky CTA ---------- */
.mobile-cta {
  display: none;
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 90;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 12px 18px calc(12px + env(safe-area-inset-bottom));
  background: rgba(10, 12, 16, 0.92);
  -webkit-backdrop-filter: blur(14px);
  backdrop-filter: blur(14px);
  border-top: 1px solid var(--line-strong);
  transform: translateY(110%);
  transition: transform 0.45s var(--ease-out);
}

.mobile-cta.is-visible {
  transform: none;
}

.mobile-cta-label {
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ash);
}

.mobile-cta .btn {
  padding: 12px 22px;
  font-size: 14px;
}

/* ---------- Reveal on scroll ---------- */
.reveal {
  opacity: 0;
  transform: translateY(26px);
  filter: blur(6px);
  transition: opacity var(--dur) var(--ease-out), transform var(--dur) var(--ease-out),
    filter var(--dur) var(--ease-out);
}

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

/* Stagger via JS-assigned delay */
.reveal[data-stagger="1"] { transition-delay: 0.08s; }
.reveal[data-stagger="2"] { transition-delay: 0.16s; }
.reveal[data-stagger="3"] { transition-delay: 0.24s; }
.reveal[data-stagger="4"] { transition-delay: 0.32s; }

/* ==========================================================================
   Responsive
   ========================================================================== */
@media (max-width: 1024px) {
  .feature-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .media-grid {
    grid-template-columns: repeat(2, 1fr);
    grid-auto-rows: 170px;
  }

  .quiz-result {
    grid-template-columns: 150px 1fr;
    gap: 22px;
  }

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

  .world-grid {
    grid-template-columns: 1fr;
    gap: 48px;
  }

  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
    row-gap: 36px;
  }

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

@media (max-width: 768px) {
  :root {
    --nav-h: 64px;
  }

  .section {
    padding: 72px 0;
  }

  .section-head {
    margin-bottom: 44px;
  }

  /* Nav collapses to burger */
  .nav-links {
    position: fixed;
    top: var(--nav-h);
    left: 0;
    right: 0;
    z-index: 99;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background: rgba(10, 12, 16, 0.97);
    border-bottom: 1px solid var(--line-strong);
    padding: 8px 24px 16px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px);
    transition: opacity 0.3s var(--ease-out), transform 0.3s var(--ease-out),
      visibility 0.3s;
  }

  .nav-links a {
    padding: 14px 0;
    border-bottom: 1px solid var(--line);
    font-size: 16px;
  }

  .nav-links a:last-child {
    border-bottom: none;
  }

  body.menu-open .nav-links {
    opacity: 1;
    visibility: visible;
    transform: none;
  }

  body.menu-open .nav-burger span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
  }

  body.menu-open .nav-burger span:nth-child(2) {
    opacity: 0;
  }

  body.menu-open .nav-burger span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
  }

  .nav-burger {
    display: flex;
  }

  .nav-cta-hide,
  .nav-actions .btn {
    display: none;
  }

  /* Hero */
  .hero {
    min-height: 100svh;
    padding-top: calc(var(--nav-h) + 40px);
  }

  .reg-row {
    flex-direction: column;
  }

  .reg-row .btn {
    width: 100%;
  }

  .reg-input {
    height: 54px;
  }

  .countdown-cells {
    gap: 8px;
  }

  .cd-cell {
    min-width: 66px;
  }

  .cd-cell b {
    font-size: 22px;
  }

  .scroll-cue {
    display: none;
  }

  /* Classes become horizontal swipe */
  .class-grid {
    display: flex;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    gap: 16px;
    padding-bottom: 12px;
    -webkit-overflow-scrolling: touch;
  }

  .class-card {
    flex: 0 0 78%;
    scroll-snap-align: center;
  }

  .class-media img {
    aspect-ratio: 3 / 4;
  }

  /* Media gallery stacks */
  .media-grid {
    grid-template-columns: 1fr;
    grid-auto-rows: auto;
  }

  .media-feature,
  .media-thumb,
  .media-thumb.is-wide {
    grid-column: auto;
    grid-row: auto;
  }

  .media-feature img,
  .media-thumb img {
    aspect-ratio: 16 / 9;
  }

  /* Quiz */
  .quiz-panel {
    padding: 28px 20px 30px;
  }

  .quiz-q legend {
    font-size: 17px;
  }

  .quiz-opt {
    padding: 14px 16px;
  }

  .quiz-result {
    grid-template-columns: 1fr;
  }

  .quiz-result-media img {
    max-width: 240px;
  }

  /* Roadmap */
  .roadmap-line {
    padding-left: 32px;
  }

  .roadmap-line::before {
    left: 4px;
  }

  .roadmap-node::before {
    left: -34px;
    width: 14px;
    height: 14px;
  }

  /* Blog + quotes */
  .blog-grid,
  .quotes-grid {
    grid-template-columns: 1fr;
  }

  /* Lightbox */
  .lightbox {
    padding: 64px 14px 56px;
  }

  .lb-btn {
    width: 40px;
    height: 40px;
  }

  .lb-prev {
    left: 10px;
  }

  .lb-next {
    right: 10px;
  }

  .faq-body {
    padding-right: 8px;
  }

  .cta-panel {
    padding: 52px 22px;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 36px;
  }

  .footer-legal {
    flex-direction: column;
    align-items: flex-start;
    gap: 18px;
  }

  .mobile-cta {
    display: flex;
  }

  body {
    padding-bottom: 76px;
  }
}

@media (max-width: 480px) {
  .feature-grid {
    grid-template-columns: 1fr;
  }

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

  .milestone-card p {
    min-height: 0;
  }

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

  .platform-row {
    gap: 8px 10px;
  }
}

/* ==========================================================================
   Reduced motion
   ========================================================================== */
@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;
    filter: none;
  }

  .ember-particle {
    display: none;
  }

  .hero-bg {
    animation: none;
  }
}