/* ============================================================
   Langulect — marketing site
   Design language mirrors the app: deep #0f1117 canvas, #58cc02
   action green, violet AI accent, gold rewards.
   ============================================================ */

/* ---------- tokens ---------- */
:root {
  --ink: #0f1117;
  --ink-2: #14161f;
  --card: #1b1e2b;
  --card-2: #21253400;
  --line: #2a2e42;
  --text: #f4f6fb;
  --muted: #9aa3b8;
  --green: #58cc02;
  --green-2: #7fe32a;
  --gold: #ffd23f;
  --violet: #c792ea;
  --blue: #4aa3ff;
  --red: #ff5d5d;

  --r-sm: 10px;
  --r-md: 16px;
  --r-lg: 24px;
  --r-xl: 34px;

  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.35);
  --shadow-md: 0 18px 40px -18px rgba(0, 0, 0, 0.75);
  --shadow-lg: 0 40px 90px -30px rgba(0, 0, 0, 0.85);
  --ring: 0 0 0 3px rgba(88, 204, 2, 0.45);

  --maxw: 1180px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--ink);
  color: var(--text);
  font-family: 'Plus Jakarta Sans', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
  font-size: 17px;
  line-height: 1.65;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

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

h1,
h2,
h3 {
  line-height: 1.12;
  letter-spacing: -0.022em;
  margin: 0 0 0.5em;
  font-weight: 800;
}

h2 {
  font-size: clamp(1.85rem, 4vw, 2.9rem);
}

h3 {
  font-size: 1.22rem;
  font-weight: 700;
  letter-spacing: -0.01em;
}

p {
  margin: 0 0 1em;
  color: var(--muted);
}

a {
  color: var(--text);
  text-decoration: none;
}

code {
  font-family: 'JetBrains Mono', ui-monospace, monospace;
  font-size: 0.86em;
  background: rgba(199, 146, 234, 0.14);
  color: #e6ccff;
  padding: 0.12em 0.4em;
  border-radius: 6px;
}

:focus-visible {
  outline: none;
  box-shadow: var(--ring);
  border-radius: 8px;
}

::selection {
  background: rgba(88, 204, 2, 0.32);
}

.skip-link {
  position: absolute;
  left: 16px;
  top: -60px;
  z-index: 999;
  background: var(--green);
  color: #08210a;
  font-weight: 700;
  padding: 10px 18px;
  border-radius: 0 0 var(--r-sm) var(--r-sm);
  transition: top 0.2s var(--ease);
}

.skip-link:focus {
  top: 0;
}

/* ============================================================
   Ambient animated background
   ============================================================ */
.aurora {
  position: fixed;
  inset: 0;
  z-index: -1;
  overflow: hidden;
  pointer-events: none;
  background:
    radial-gradient(1100px 620px at 78% -8%, rgba(88, 204, 2, 0.14), transparent 62%),
    radial-gradient(900px 620px at 4% 12%, rgba(74, 163, 255, 0.13), transparent 60%),
    var(--ink);
}

.blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(90px);
  opacity: 0.42;
  will-change: transform;
}

.blob-1 {
  width: 46vw;
  height: 46vw;
  left: -10vw;
  top: -8vw;
  background: radial-gradient(circle, #58cc02, transparent 68%);
  animation: drift-a 26s var(--ease) infinite alternate;
}

.blob-2 {
  width: 40vw;
  height: 40vw;
  right: -8vw;
  top: 18vh;
  background: radial-gradient(circle, #c792ea, transparent 68%);
  animation: drift-b 32s var(--ease) infinite alternate;
}

.blob-3 {
  width: 52vw;
  height: 52vw;
  left: 22vw;
  bottom: -24vw;
  background: radial-gradient(circle, #4aa3ff, transparent 70%);
  animation: drift-c 38s var(--ease) infinite alternate;
}

@keyframes drift-a {
  to {
    transform: translate3d(14vw, 10vh, 0) scale(1.18);
  }
}

@keyframes drift-b {
  to {
    transform: translate3d(-12vw, 16vh, 0) scale(1.12);
  }
}

@keyframes drift-c {
  to {
    transform: translate3d(8vw, -14vh, 0) scale(0.9);
  }
}

.grid {
  position: absolute;
  inset: -2px;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.045) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(circle at 50% 22%, #000 12%, transparent 72%);
  -webkit-mask-image: radial-gradient(circle at 50% 22%, #000 12%, transparent 72%);
}

.noise {
  position: absolute;
  inset: 0;
  opacity: 0.035;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='3'/%3E%3C/filter%3E%3Crect width='140' height='140' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* ============================================================
   Nav
   ============================================================ */
.nav {
  position: sticky;
  top: 0;
  z-index: 60;
  display: flex;
  align-items: center;
  gap: 22px;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 16px 24px;
  transition: background 0.3s var(--ease), box-shadow 0.3s var(--ease), backdrop-filter 0.3s;
}

.nav.scrolled {
  background: rgba(15, 17, 23, 0.78);
  backdrop-filter: blur(16px) saturate(140%);
  -webkit-backdrop-filter: blur(16px) saturate(140%);
  box-shadow: 0 1px 0 var(--line), var(--shadow-sm);
  border-radius: 0 0 var(--r-md) var(--r-md);
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-right: auto;
  font-weight: 800;
}

.brand-mark {
  width: 38px;
  height: 38px;
  object-fit: contain;
  filter: drop-shadow(0 4px 10px rgba(88, 204, 2, 0.4));
}

.brand-name {
  font-size: 1.22rem;
  letter-spacing: -0.02em;
}

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

.nav-links a {
  position: relative;
  color: var(--muted);
  font-weight: 600;
  font-size: 0.95rem;
  transition: color 0.2s;
}

.nav-links a::after {
  content: '';
  position: absolute;
  left: 0;
  right: 100%;
  bottom: -6px;
  height: 2px;
  border-radius: 2px;
  background: var(--green);
  transition: right 0.28s var(--ease);
}

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

.nav-links a:hover::after {
  right: 0;
}

.nav-toggle {
  display: none;
  width: 42px;
  height: 42px;
  border: 1px solid var(--line);
  border-radius: var(--r-sm);
  background: var(--card);
  cursor: pointer;
  padding: 11px 10px;
}

.nav-toggle span {
  display: block;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  margin: 3px 0;
  transition: transform 0.25s var(--ease), opacity 0.2s;
}

.nav-toggle[aria-expanded='true'] span:nth-child(1) {
  transform: translateY(5px) rotate(45deg);
}

.nav-toggle[aria-expanded='true'] span:nth-child(2) {
  opacity: 0;
}

.nav-toggle[aria-expanded='true'] span:nth-child(3) {
  transform: translateY(-5px) rotate(-45deg);
}

/* ============================================================
   Google Play button
   ============================================================ */
.play-btn {
  --pad: 12px 22px;
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: var(--pad);
  border-radius: 999px;
  font-weight: 700;
  color: #08210a;
  background: linear-gradient(135deg, var(--green-2), var(--green) 55%, #3fa300);
  box-shadow: 0 10px 26px -10px rgba(88, 204, 2, 0.85), inset 0 1px 0 rgba(255, 255, 255, 0.35);
  overflow: hidden;
  transition: transform 0.25s var(--ease), box-shadow 0.25s var(--ease);
  white-space: nowrap;
}

.play-btn svg {
  width: 22px;
  height: 22px;
  flex: none;
  filter: drop-shadow(0 1px 2px rgba(0, 0, 0, 0.3));
}

.play-btn::before {
  content: '';
  position: absolute;
  top: 0;
  bottom: 0;
  left: -70%;
  width: 45%;
  background: linear-gradient(100deg, transparent, rgba(255, 255, 255, 0.55), transparent);
  transform: skewX(-18deg);
  animation: sheen 4.2s ease-in-out infinite;
}

@keyframes sheen {
  0%,
  62% {
    left: -70%;
  }
  100% {
    left: 130%;
  }
}

.play-btn:hover {
  transform: translateY(-2px) scale(1.02);
  box-shadow: 0 18px 40px -12px rgba(88, 204, 2, 0.95), inset 0 1px 0 rgba(255, 255, 255, 0.4);
}

.play-btn:active {
  transform: translateY(0) scale(0.99);
}

.play-btn--sm {
  font-size: 0.92rem;
  padding: 10px 18px;
}

.play-btn--lg {
  --pad: 14px 30px;
  font-size: 1.05rem;
}

.play-btn--lg svg {
  width: 30px;
  height: 30px;
}

.pb-text {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
  text-align: left;
}

.pb-text small {
  font-size: 0.62rem;
  letter-spacing: 0.16em;
  opacity: 0.72;
  font-weight: 700;
}

.pb-text strong {
  font-size: 1.14rem;
  letter-spacing: -0.01em;
}

.play-btn--hero {
  --pad: 16px 40px;
}

.ghost-btn {
  display: inline-flex;
  align-items: center;
  padding: 14px 26px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.03);
  color: var(--text);
  font-weight: 650;
  backdrop-filter: blur(6px);
  transition: border-color 0.25s, background 0.25s, transform 0.25s var(--ease);
}

.ghost-btn:hover {
  border-color: var(--green);
  background: rgba(88, 204, 2, 0.1);
  transform: translateY(-2px);
}

/* ============================================================
   Hero
   ============================================================ */
.hero {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 48px;
  align-items: center;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 68px 24px 90px;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  margin: 0 0 20px;
  padding: 7px 15px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.03);
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 650;
  letter-spacing: 0.01em;
}

.dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 0 0 rgba(88, 204, 2, 0.7);
  animation: ping 2.4s ease-out infinite;
}

@keyframes ping {
  70%,
  100% {
    box-shadow: 0 0 0 9px rgba(88, 204, 2, 0);
  }
}

.hero-title {
  font-size: clamp(2.5rem, 6vw, 4.35rem);
  font-weight: 800;
}

.grad {
  background: linear-gradient(100deg, var(--green-2), var(--gold) 46%, var(--violet));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  background-size: 220% 100%;
  animation: pan 9s ease-in-out infinite alternate;
}

@keyframes pan {
  to {
    background-position: 100% 0;
  }
}

.hero-sub {
  font-size: 1.1rem;
  max-width: 34em;
}

.hero-sub strong {
  color: var(--violet);
}

.hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin: 30px 0 22px;
}

.hero-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 22px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.hero-badges li {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--muted);
  font-size: 0.9rem;
  font-weight: 600;
}

.hero-badges li::before {
  content: '✓';
  color: var(--green);
  font-weight: 800;
}

/* Grid children need an explicit min-width:0 or long words force overflow. */
.hero-copy,
.ray-copy,
.ray-art {
  min-width: 0;
}

/* ---------- hero art ---------- */
.hero-art {
  position: relative;
  display: grid;
  place-items: center;
  min-height: 460px;
}

.glow-ring {
  position: absolute;
  width: 78%;
  aspect-ratio: 1;
  border-radius: 50%;
  background: conic-gradient(from 0deg, rgba(88, 204, 2, 0.55), rgba(199, 146, 234, 0.5), rgba(74, 163, 255, 0.5), rgba(88, 204, 2, 0.55));
  filter: blur(46px);
  opacity: 0.6;
  animation: spin 20s linear infinite;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

.ray-hero {
  position: relative;
  width: min(360px, 78%);
  filter: drop-shadow(0 30px 50px rgba(0, 0, 0, 0.6));
  animation: bob 5.2s ease-in-out infinite;
}

@keyframes bob {
  0%,
  100% {
    transform: translateY(0) scale(1);
  }
  50% {
    transform: translateY(-14px) scale(1.035);
  }
}

.float-card {
  position: absolute;
  padding: 13px 16px;
  border-radius: var(--r-md);
  border: 1px solid var(--line);
  background: rgba(27, 30, 43, 0.82);
  backdrop-filter: blur(14px) saturate(150%);
  -webkit-backdrop-filter: blur(14px) saturate(150%);
  box-shadow: var(--shadow-md);
  animation: float 6.5s ease-in-out infinite;
}

@keyframes float {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-11px);
  }
}

.float-card--1 {
  left: -6%;
  top: 12%;
  animation-delay: 0.3s;
}

.float-card--2 {
  right: -4%;
  bottom: 22%;
  min-width: 190px;
  animation-delay: 1.4s;
}

.float-card--3 {
  right: 6%;
  top: 6%;
  display: flex;
  align-items: center;
  gap: 8px;
  animation-delay: 2.2s;
}

.fc-label {
  display: block;
  font-size: 0.68rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
  font-weight: 700;
  margin-bottom: 6px;
}

.fc-sentence {
  margin: 0 0 6px;
  color: var(--text);
  font-size: 1rem;
  font-weight: 600;
}

.fc-sentence em {
  font-style: normal;
  padding: 2px 5px;
  border-radius: 6px;
  border-bottom: 2px dotted rgba(154, 163, 184, 0.5);
}

.fc-sentence .lit {
  background: rgba(88, 204, 2, 0.2);
  border-bottom-color: var(--green);
  color: #d8ffb4;
}

.fc-gloss {
  font-size: 0.82rem;
  color: var(--muted);
  font-weight: 600;
}

.fc-gloss--good {
  color: var(--green-2);
}

.fc-bar {
  height: 8px;
  border-radius: 4px;
  background: #2a2e42;
  overflow: hidden;
  margin: 4px 0 8px;
}

.fc-bar i {
  display: block;
  height: 100%;
  width: var(--w);
  border-radius: 4px;
  background: linear-gradient(90deg, var(--green), var(--green-2));
  animation: fill 2.4s var(--ease) infinite alternate;
}

@keyframes fill {
  from {
    width: 32%;
  }
  to {
    width: var(--w);
  }
}

.fc-streak {
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--gold);
}

/* ============================================================
   Stats
   ============================================================ */
.stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
  max-width: var(--maxw);
  margin: 0 auto 30px;
  padding: 0 24px;
}

.stat {
  padding: 26px 20px;
  text-align: center;
  border-radius: var(--r-lg);
  border: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.05), rgba(255, 255, 255, 0.015));
  box-shadow: var(--shadow-md);
}

.stat-num {
  display: block;
  font-size: clamp(1.8rem, 3.4vw, 2.6rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  background: linear-gradient(140deg, #fff, var(--green-2));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.stat-label {
  color: var(--muted);
  font-size: 0.88rem;
  font-weight: 600;
}

/* ============================================================
   Sections
   ============================================================ */
.section {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 86px 24px;
}

.section-head {
  max-width: 46em;
  margin-bottom: 44px;
}

.section-head h2 {
  background: linear-gradient(160deg, #fff, #b9c2d6);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.section-head p {
  font-size: 1.06rem;
}

/* ---------- language cards ---------- */
.lang-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 20px;
}

.lang-card {
  position: relative;
  padding: 26px 24px 28px;
  border-radius: var(--r-lg);
  border: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.055), rgba(255, 255, 255, 0.012));
  box-shadow: var(--shadow-md);
  overflow: hidden;
  transition: transform 0.35s var(--ease), border-color 0.35s, box-shadow 0.35s;
}

.lang-card::before {
  content: '';
  position: absolute;
  inset: 0 0 auto;
  height: 3px;
  background: linear-gradient(90deg, var(--accent), transparent);
}

.lang-card::after {
  content: '';
  position: absolute;
  width: 190px;
  height: 190px;
  right: -70px;
  top: -70px;
  border-radius: 50%;
  background: var(--accent);
  filter: blur(60px);
  opacity: 0.16;
  transition: opacity 0.35s;
}

.lang-card:hover {
  transform: translateY(-6px);
  border-color: color-mix(in srgb, var(--accent) 55%, var(--line));
  box-shadow: var(--shadow-lg);
}

.lang-card:hover::after {
  opacity: 0.34;
}

.flag {
  width: 62px;
  border-radius: 7px;
  margin-bottom: 16px;
  box-shadow: var(--shadow-sm);
}

.lang-count {
  margin: 0 0 8px;
  font-size: 0.96rem;
  color: var(--muted);
}

.lang-count b {
  color: var(--accent);
  font-size: 1.16rem;
  font-weight: 800;
}

.lang-note {
  margin: 0;
  font-size: 0.93rem;
  line-height: 1.6;
}

/* ---------- features ---------- */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(288px, 1fr));
  gap: 20px;
}

.feature {
  position: relative;
  padding: 28px 26px;
  border-radius: var(--r-lg);
  border: 1px solid var(--line);
  background: rgba(27, 30, 43, 0.55);
  backdrop-filter: blur(8px);
  transition: transform 0.35s var(--ease), border-color 0.35s, background 0.35s;
}

.feature:hover {
  transform: translateY(-5px);
  border-color: rgba(88, 204, 2, 0.45);
  background: rgba(27, 30, 43, 0.85);
}

.ficon {
  display: grid;
  place-items: center;
  width: 54px;
  height: 54px;
  margin-bottom: 16px;
  font-size: 1.5rem;
  border-radius: 15px;
  background: color-mix(in srgb, var(--i) 20%, transparent);
  border: 1px solid color-mix(in srgb, var(--i) 45%, transparent);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.12);
}

.feature p {
  margin: 0;
  font-size: 0.97rem;
}

.feature em {
  color: var(--text);
  font-style: italic;
}

/* ---------- Ray ---------- */
.ray-section {
  position: relative;
}

.ray-wrap {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 52px;
  align-items: center;
}

.pose-stack {
  position: relative;
  display: grid;
  place-items: center;
  min-height: 420px;
}

.pose-stack::before {
  content: '';
  position: absolute;
  width: 82%;
  aspect-ratio: 1;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(199, 146, 234, 0.34), transparent 66%);
  filter: blur(30px);
}

.pose {
  position: absolute;
  width: min(320px, 84%);
  filter: drop-shadow(0 24px 44px rgba(0, 0, 0, 0.6));
  opacity: 0;
  animation: poseCycle 10.5s var(--ease) infinite;
}

.pose-a {
  animation-delay: 0s;
}

.pose-b {
  animation-delay: 3.5s;
}

.pose-c {
  animation-delay: 7s;
}

@keyframes poseCycle {
  0% {
    opacity: 0;
    transform: translateY(16px) scale(0.96);
  }
  6%,
  30% {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
  36%,
  100% {
    opacity: 0;
    transform: translateY(-14px) scale(0.97);
  }
}

.tick-list {
  list-style: none;
  padding: 0;
  margin: 0 0 26px;
  display: grid;
  gap: 12px;
}

.tick-list li {
  position: relative;
  padding-left: 34px;
  color: var(--muted);
  font-weight: 600;
}

.tick-list li::before {
  content: '✓';
  position: absolute;
  left: 0;
  top: 0;
  display: grid;
  place-items: center;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: rgba(88, 204, 2, 0.16);
  border: 1px solid rgba(88, 204, 2, 0.5);
  color: var(--green-2);
  font-size: 0.72rem;
  font-weight: 800;
}

.tick-list em {
  color: var(--text);
}

.ray-quote {
  position: relative;
  margin: 0;
  padding: 24px 26px;
  border-radius: var(--r-md);
  border: 1px solid var(--line);
  border-left: 3px solid var(--violet);
  background: linear-gradient(120deg, rgba(199, 146, 234, 0.12), rgba(255, 255, 255, 0.02));
  color: #e7ecf7;
  font-size: 1rem;
  line-height: 1.7;
}

.ray-quote b {
  color: var(--green-2);
}

.ray-quote s {
  color: var(--red);
  opacity: 0.85;
}

.ray-quote cite {
  display: block;
  margin-top: 12px;
  font-style: normal;
  font-size: 0.86rem;
  font-weight: 700;
  color: var(--violet);
}

/* ---------- level ladder ---------- */
.ladder {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 14px;
  counter-reset: rung;
}

.rung {
  position: relative;
  display: flex;
  align-items: center;
  gap: 18px;
  padding: 18px 22px;
  border-radius: var(--r-md);
  border: 1px solid var(--line);
  background: rgba(27, 30, 43, 0.6);
  overflow: hidden;
}

.rung::before {
  content: '';
  position: absolute;
  inset: 0 auto 0 0;
  width: var(--p);
  background: linear-gradient(90deg, rgba(88, 204, 2, 0.24), rgba(88, 204, 2, 0.02));
  transition: width 1.1s var(--ease);
}

.reveal .lvl,
.rung .lvl {
  position: relative;
  display: grid;
  place-items: center;
  flex: none;
  width: 54px;
  height: 42px;
  border-radius: 11px;
  background: linear-gradient(140deg, var(--green), #3fa300);
  color: #08210a;
  font-weight: 800;
  letter-spacing: 0.02em;
  box-shadow: var(--shadow-sm);
}

.rung-txt {
  position: relative;
  color: var(--text);
  font-weight: 600;
}

.ladder-note {
  margin-top: 26px;
  padding: 18px 22px;
  border-radius: var(--r-md);
  border: 1px dashed var(--line);
  background: rgba(255, 210, 63, 0.06);
  color: #ffe6a0;
  font-size: 0.96rem;
}

/* ============================================================
   Download
   ============================================================ */
.download {
  padding: 40px 24px 96px;
}

.dl-card {
  position: relative;
  max-width: 820px;
  margin: 0 auto;
  padding: 56px 34px 46px;
  text-align: center;
  border-radius: var(--r-xl);
  border: 1px solid rgba(88, 204, 2, 0.3);
  background:
    radial-gradient(600px 260px at 50% -30%, rgba(88, 204, 2, 0.28), transparent 70%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.06), rgba(255, 255, 255, 0.015));
  box-shadow: var(--shadow-lg);
  overflow: hidden;
}

.dl-card::after {
  content: '';
  position: absolute;
  inset: -1px;
  border-radius: inherit;
  padding: 1px;
  background: linear-gradient(120deg, rgba(88, 204, 2, 0.7), transparent 42%, rgba(199, 146, 234, 0.6));
  mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  pointer-events: none;
}

.dl-ray {
  width: 128px;
  margin: 0 auto 14px;
  animation: bob 5s ease-in-out infinite;
  filter: drop-shadow(0 16px 28px rgba(0, 0, 0, 0.55));
}

.dl-card p {
  max-width: 34em;
  margin-inline: auto;
}

.dl-card .play-btn {
  margin-top: 12px;
}

.dl-fine {
  margin: 18px 0 0;
  font-size: 0.84rem;
  color: #7b8399;
}

/* ============================================================
   FAQ
   ============================================================ */
.faq {
  display: grid;
  gap: 12px;
}

.faq details {
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: rgba(27, 30, 43, 0.6);
  overflow: hidden;
  transition: border-color 0.25s, background 0.25s;
}

.faq details[open] {
  border-color: rgba(88, 204, 2, 0.42);
  background: rgba(27, 30, 43, 0.9);
}

.faq summary {
  cursor: pointer;
  list-style: none;
  padding: 18px 54px 18px 22px;
  position: relative;
  font-weight: 700;
  color: var(--text);
}

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

.faq summary::after {
  content: '+';
  position: absolute;
  right: 20px;
  top: 50%;
  translate: 0 -50%;
  display: grid;
  place-items: center;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: rgba(88, 204, 2, 0.16);
  color: var(--green-2);
  font-size: 1.15rem;
  font-weight: 700;
  transition: rotate 0.3s var(--ease);
}

.faq details[open] summary::after {
  content: '−';
  rotate: 180deg;
}

.faq details p {
  margin: 0;
  padding: 0 22px 20px;
  font-size: 0.97rem;
}

/* ============================================================
   Footer
   ============================================================ */
.footer {
  border-top: 1px solid var(--line);
  background: rgba(15, 17, 23, 0.7);
  backdrop-filter: blur(10px);
  padding: 42px 24px 34px;
  display: grid;
  gap: 22px;
  justify-items: center;
  text-align: center;
}

.foot-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  text-align: left;
}

.foot-brand img {
  width: 44px;
  filter: drop-shadow(0 4px 10px rgba(88, 204, 2, 0.35));
}

.foot-brand strong {
  display: block;
  font-size: 1.1rem;
}

.foot-brand span {
  color: var(--muted);
  font-size: 0.88rem;
}

.foot-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 24px;
  justify-content: center;
}

.foot-links a {
  color: var(--muted);
  font-weight: 600;
  font-size: 0.92rem;
  transition: color 0.2s;
}

.foot-links a:hover {
  color: var(--green-2);
}

.foot-fine {
  margin: 0;
  font-size: 0.8rem;
  color: #6d7488;
  max-width: 46em;
}

/* ============================================================
   Scroll reveal
   ============================================================ */
.reveal {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
}

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

/* ============================================================
   Responsive
   ============================================================ */
@media (max-width: 1000px) {
  .hero,
  .ray-wrap {
    grid-template-columns: 1fr;
  }

  .hero {
    padding-top: 34px;
    text-align: left;
  }

  .hero-art {
    order: -1;
    min-height: 340px;
  }

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

@media (max-width: 760px) {
  body {
    font-size: 16px;
  }

  .nav-links {
    position: absolute;
    top: 100%;
    left: 12px;
    right: 12px;
    flex-direction: column;
    gap: 4px;
    padding: 14px;
    border: 1px solid var(--line);
    border-radius: var(--r-md);
    background: rgba(20, 22, 31, 0.97);
    backdrop-filter: blur(14px);
    box-shadow: var(--shadow-lg);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: opacity 0.25s var(--ease), transform 0.25s var(--ease), visibility 0.25s;
  }

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

  .nav-links a {
    padding: 10px 6px;
    font-size: 1rem;
    color: var(--text);
  }

  .nav-toggle {
    display: block;
    order: 3;
  }

  .play-btn--sm {
    display: none;
  }

  .float-card--1 {
    left: -2%;
  }

  .float-card--2 {
    right: -2%;
  }

  .section {
    padding: 62px 20px;
  }

  .pose-stack {
    min-height: 300px;
  }
}

@media (max-width: 460px) {
  .stats {
    grid-template-columns: 1fr;
  }

  .float-card--3 {
    display: none;
  }
}

/* ============================================================
   Accessibility: honour reduced-motion
   ============================================================ */
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.001s !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001s !important;
  }

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

  /* Only one pose is shown when motion is reduced (they normally cross-fade). */
  .pose {
    opacity: 0;
  }

  .pose-a {
    opacity: 1;
  }
}

/* ============================================================
   Print
   ============================================================ */
@media print {
  .aurora,
  .nav-toggle,
  .float-card {
    display: none;
  }

  body {
    background: #fff;
    color: #000;
  }
}