:root {
  --bg: #090d12;
  --surface: #131b23;
  --surface-strong: #17222c;
  --text: #f7f8f6;
  --muted: #b3bdc3;
  --muted-dark: #7f8a92;
  --teal: #56c4bb;
  --teal-bright: #72ddd3;
  --coral: #ff8176;
  --border: rgba(255, 255, 255, 0.12);
  --header-height: 78px;
  --shell: 1260px;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-height) + 12px);
}

body {
  min-width: 320px;
  margin: 0;
  overflow-x: hidden;
  color: var(--text);
  background: var(--bg);
  font-family: "Manrope", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

body::before {
  position: fixed;
  z-index: 200;
  inset: 0;
  pointer-events: none;
  content: "";
  opacity: 0.15;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 180 180' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.12'/%3E%3C/svg%3E");
  mix-blend-mode: soft-light;
}

img,
video,
svg {
  display: block;
}

img,
video {
  max-width: 100%;
}

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

button,
a,
video {
  -webkit-tap-highlight-color: transparent;
}

button {
  font: inherit;
}

h1,
h2,
p,
figure {
  margin-top: 0;
}

h1,
h2 {
  margin-bottom: 0;
  font-weight: 800;
  letter-spacing: -0.052em;
  line-height: 0.98;
  text-wrap: balance;
}

h1 {
  max-width: 760px;
  font-size: clamp(4rem, 5.3vw, 6.5rem);
}

h2 {
  max-width: 680px;
  font-size: clamp(3rem, 4.6vw, 5.35rem);
}

.shell {
  width: min(calc(100% - 56px), var(--shell));
  margin-inline: auto;
}

.skip-link {
  position: fixed;
  z-index: 1000;
  top: 12px;
  left: 12px;
  padding: 11px 16px;
  color: #061817;
  background: var(--teal-bright);
  border-radius: 10px;
  font-weight: 800;
  transform: translateY(-160%);
  transition: transform 180ms ease;
}

.skip-link:focus {
  transform: translateY(0);
}

.site-header {
  position: sticky;
  z-index: 100;
  top: 0;
  min-height: var(--header-height);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(7, 11, 15, 0.75);
  backdrop-filter: blur(20px) saturate(130%);
  -webkit-backdrop-filter: blur(20px) saturate(130%);
  transition:
    background-color 180ms ease,
    border-color 180ms ease;
}

.site-header.is-scrolled {
  border-color: rgba(255, 255, 255, 0.14);
  background: rgba(7, 11, 15, 0.94);
}

.header-inner {
  width: min(calc(100% - 56px), var(--shell));
  min-height: var(--header-height);
  margin-inline: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 26px;
}

.brand-link {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  flex: 0 0 auto;
}

.brand-mark {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  overflow: hidden;
  border: 1px solid rgba(114, 221, 211, 0.28);
  background: rgba(86, 196, 187, 0.1);
  border-radius: 13px;
}

.brand-mark img {
  width: 33px;
  height: 33px;
  object-fit: contain;
}

.brand-wordmark {
  font-size: 1.18rem;
  font-weight: 800;
  letter-spacing: -0.045em;
}

.brand-wordmark strong {
  color: var(--teal-bright);
}

.desktop-nav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: clamp(20px, 3vw, 40px);
  margin-left: auto;
}

.desktop-nav a {
  color: var(--muted);
  font-size: 0.86rem;
  font-weight: 700;
  transition: color 160ms ease;
}

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

.button {
  min-height: 48px;
  padding: 0 21px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid transparent;
  border-radius: 14px;
  font-weight: 800;
  line-height: 1;
  transition:
    transform 160ms ease,
    box-shadow 160ms ease;
}

.button--solid {
  color: #061817;
  background: var(--teal);
  box-shadow: 0 10px 34px rgba(86, 196, 187, 0.18);
}

.button:hover,
.store-badge:hover {
  transform: translateY(-2px);
}

.button:focus-visible,
.brand-link:focus-visible,
.desktop-nav a:focus-visible,
.store-badge:focus-visible,
.sound-control:focus-visible,
.world-progress button:focus-visible {
  outline: 3px solid rgba(114, 221, 211, 0.78);
  outline-offset: 4px;
}

.scroll-world {
  position: relative;
  background: #090d12;
}

.world-stage {
  position: relative;
  isolation: isolate;
  overflow: hidden;
}

.world-backdrop {
  position: absolute;
  z-index: -4;
  inset: 0;
  overflow: hidden;
}

.world-backdrop img {
  width: 100%;
  height: 100%;
  max-width: none;
  object-fit: cover;
  object-position: center;
}

.world-shade {
  position: absolute;
  z-index: -3;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(90deg, rgba(5, 8, 12, 0.92) 0%, rgba(5, 8, 12, 0.76) 38%, rgba(5, 8, 12, 0.38) 68%, rgba(5, 8, 12, 0.53) 100%),
    linear-gradient(180deg, rgba(5, 8, 12, 0.22), rgba(5, 8, 12, 0.45));
}

.world-light {
  position: absolute;
  z-index: -2;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(circle at 78% 48%, rgba(86, 196, 187, 0.14), transparent 26%),
    radial-gradient(circle at 34% 74%, rgba(255, 129, 118, 0.08), transparent 24%);
  mix-blend-mode: screen;
}

.world-scenes {
  position: relative;
  z-index: 2;
  display: grid;
  gap: 60px;
}

.world-scene {
  position: relative;
  min-height: calc(100svh - var(--header-height));
  padding: clamp(40px, 5vh, 72px) 0;
  display: grid;
  grid-template-columns: minmax(440px, 0.98fr) minmax(470px, 1.02fr);
  align-items: center;
  gap: clamp(34px, 5vw, 78px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.world-copy,
.world-visual {
  min-width: 0;
}

.world-copy {
  position: relative;
  z-index: 3;
  max-width: 700px;
}

.eyebrow {
  margin-bottom: 18px;
  color: var(--teal-bright);
  font-size: 0.76rem;
  font-weight: 800;
  letter-spacing: 0.17em;
  line-height: 1.2;
}

.eyebrow--coral {
  color: var(--coral);
}

.world-lede {
  max-width: 630px;
  margin: 25px 0 0;
  color: #d0d6da;
  font-size: clamp(1.02rem, 1.35vw, 1.2rem);
  line-height: 1.58;
}

.world-lede--hero {
  max-width: 590px;
}

.feature-pills {
  margin-top: 28px;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.feature-pills span {
  padding: 9px 13px;
  color: #dbe1e4;
  border: 1px solid rgba(255, 255, 255, 0.13);
  background: rgba(10, 15, 20, 0.56);
  border-radius: 999px;
  font-size: 0.76rem;
  font-weight: 800;
  backdrop-filter: blur(12px);
}

.store-badges {
  margin-top: 24px;
  display: flex;
  flex-wrap: wrap;
  gap: 11px;
}

.store-badge {
  min-width: 166px;
  min-height: 56px;
  padding: 7px 14px;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  background: #030507;
  border-radius: 13px;
  box-shadow: 0 14px 32px rgba(0, 0, 0, 0.3);
  transition:
    transform 160ms ease,
    border-color 160ms ease;
}

.store-badge:hover {
  border-color: rgba(114, 221, 211, 0.62);
}

.store-badge__icon {
  width: 27px;
  height: 32px;
  flex: 0 0 auto;
  fill: #fff;
}

.store-badge > span {
  display: grid;
  gap: 1px;
}

.store-badge small,
.store-badge strong {
  display: block;
  color: #fff;
  line-height: 1.05;
}

.store-badge small {
  font-size: 0.59rem;
  font-weight: 600;
}

.store-badge strong {
  font-size: 1.1rem;
  font-weight: 600;
  letter-spacing: -0.03em;
}

.hero-proof {
  display: flex;
  align-items: center;
  gap: 9px;
  width: min(100%, 520px);
  margin: 14px 0 0;
  color: var(--muted);
  font-size: 0.72rem;
  font-weight: 650;
}

.hero-proof svg {
  width: 15px;
  height: 15px;
  flex: 0 0 auto;
  fill: var(--teal-bright);
}

.hero-proof span {
  white-space: nowrap;
}

.hero-proof strong {
  color: var(--text);
  font-size: 0.82rem;
  letter-spacing: -0.025em;
}

.hero-proof i {
  width: 1px;
  height: 14px;
  flex: 0 0 auto;
  background: rgba(255, 255, 255, 0.18);
}

.world-visual {
  position: relative;
  min-height: min(72svh, 760px);
  display: grid;
  place-items: center;
}

.world-visual::before {
  position: absolute;
  z-index: -1;
  width: min(94%, 640px);
  aspect-ratio: 1;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(86, 196, 187, 0.18), transparent 66%);
  content: "";
  filter: blur(10px);
}

.world-visual--hero {
  width: 100%;
  place-items: center;
}

.product-film {
  position: relative;
  width: min(100%, 760px);
  margin: 0;
  padding: 9px;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.18);
  background:
    linear-gradient(145deg, rgba(30, 43, 53, 0.96), rgba(7, 11, 15, 0.97));
  border-radius: 28px;
  box-shadow:
    0 38px 90px rgba(0, 0, 0, 0.5),
    0 0 0 1px rgba(86, 196, 187, 0.08),
    0 24px 80px rgba(86, 196, 187, 0.12);
  transform: perspective(1400px) rotateY(-2deg) rotateX(0.6deg);
}

.product-film::before {
  position: absolute;
  z-index: 2;
  inset: 0;
  pointer-events: none;
  border-radius: inherit;
  background:
    linear-gradient(120deg, rgba(255, 255, 255, 0.09), transparent 18%, transparent 76%, rgba(255, 129, 118, 0.07));
  content: "";
}

.product-film__media {
  position: relative;
  overflow: hidden;
  aspect-ratio: 16 / 9;
  background: #04070a;
  border-radius: 20px;
}

.product-film video {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.product-film__caption {
  position: relative;
  z-index: 3;
  min-height: 48px;
  padding: 10px 10px 2px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.product-film__caption span {
  color: var(--muted);
  font-size: 0.7rem;
  font-weight: 700;
}

.product-film__caption strong {
  color: var(--teal-bright);
  font-size: 0.76rem;
  font-weight: 800;
  letter-spacing: 0.02em;
}

.world-visual--listen {
  grid-template-columns: minmax(120px, 0.8fr) minmax(210px, 1.2fr);
  align-items: center;
  gap: clamp(10px, 1.5vw, 22px);
}

.reel-player {
  position: relative;
  z-index: 4;
  width: min(14vw, 25svh, 235px);
  min-width: 154px;
  margin: 0;
  padding: 9px;
  justify-self: end;
  border: 1px solid rgba(255, 255, 255, 0.17);
  background: rgba(16, 23, 29, 0.93);
  border-radius: 22px;
  box-shadow: 0 28px 72px rgba(0, 0, 0, 0.48);
  backdrop-filter: blur(16px);
  transform: rotate(-2.4deg) translateY(16px);
}

.reel-player__media {
  overflow: hidden;
  aspect-ratio: 9 / 16;
  background: #070b0f;
  border-radius: 15px;
}

.reel-player video {
  width: 100%;
  height: 100%;
  object-fit: contain;
  cursor: pointer;
}

.sound-control {
  width: 100%;
  min-height: 40px;
  margin-top: 8px;
  padding: 0 10px;
  display: none;
  align-items: center;
  justify-content: center;
  gap: 7px;
  color: #f7f8f6;
  border: 1px solid rgba(255, 255, 255, 0.14);
  background: rgba(4, 7, 10, 0.7);
  border-radius: 12px;
  cursor: pointer;
  font-size: 0.7rem;
  font-weight: 800;
  transition:
    color 160ms ease,
    background-color 160ms ease;
}

.js .sound-control {
  display: inline-flex;
}

.sound-control svg {
  width: 17px;
  height: 17px;
  flex: 0 0 auto;
}

.sound-control__slash {
  opacity: 1;
  transform-origin: center;
  transition: opacity 150ms ease;
}

.sound-control.is-active {
  color: #061817;
  background: var(--teal-bright);
}

.sound-control.is-active .sound-control__slash {
  opacity: 0;
}

.phone-device {
  position: relative;
  margin: 0;
  overflow: visible;
  aspect-ratio: 1022 / 2082;
  background: url("assets/images/mockup_black.png") center / 100% 100% no-repeat;
  filter:
    drop-shadow(0 26px 42px rgba(0, 0, 0, 0.42))
    drop-shadow(0 38px 92px rgba(0, 0, 0, 0.4));
}

.phone-device__screen {
  position: absolute;
  z-index: -1;
  top: 1.75%;
  left: 4.05%;
  width: 91.9%;
  height: 96.55%;
  max-width: none;
  object-fit: cover;
  border-radius: 9.8% / 4.7%;
  outline: 1px solid rgba(255, 255, 255, 0.08);
  outline-offset: -1px;
}

.phone-device__hardware {
  position: absolute;
  z-index: 3;
  inset: 1.35% 3.7%;
  pointer-events: none;
  border-radius: 10.2% / 4.9%;
  box-shadow:
    inset 0 1px 1px rgba(255, 255, 255, 0.16),
    inset 0 -1px 2px rgba(0, 0, 0, 0.7);
}

.phone-device--hero {
  z-index: 3;
  width: min(21vw, 36svh, 340px);
  min-width: 230px;
  justify-self: start;
  transform: rotate(2deg);
}

.phone-device--lesson {
  z-index: 2;
  width: min(24vw, 36svh, 340px);
  transform: rotate(var(--phone-rotate, 1.5deg));
}

.world-scene:nth-child(even) .phone-device--lesson {
  --phone-rotate: -1.5deg;
}

.phone-device--path {
  --phone-rotate: -2.2deg;
}

.phone-device--fun {
  --phone-rotate: 2.4deg;
}

.visual-note {
  position: absolute;
  z-index: 4;
  min-width: 190px;
  margin: 0;
  padding: 13px 15px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  background: rgba(13, 19, 25, 0.88);
  border-radius: 16px;
  box-shadow: 0 20px 46px rgba(0, 0, 0, 0.34);
  backdrop-filter: blur(14px);
  transform: translate(72%, 132%);
}

.visual-note strong,
.visual-note span {
  display: block;
}

.visual-note strong {
  color: var(--teal-bright);
  font-size: 0.85rem;
}

.visual-note span {
  margin-top: 3px;
  color: var(--muted);
  font-size: 0.7rem;
}

.visual-note--coral strong {
  color: var(--coral);
}

.visual-note--course {
  transform: translate(-72%, -145%);
}

.world-progress {
  display: none;
}

.world-bridge {
  display: none;
}

.js .scroll-world {
  height: 720svh;
  min-height: 4200px;
}

.js .world-stage {
  position: sticky;
  top: var(--header-height);
  height: calc(100svh - var(--header-height));
}

.js .world-backdrop {
  inset: -8%;
}

.js .world-backdrop img {
  width: 116%;
  height: 116%;
  will-change: transform;
  transform:
    translate3d(var(--camera-x, -2%), var(--camera-y, 0%), 0)
    scale(var(--camera-scale, 1.08));
}

.js .world-scenes {
  height: 100%;
  display: block;
}

.js .world-scene {
  position: absolute;
  inset: 0;
  min-height: 0;
  height: 100%;
  padding: clamp(24px, 4.2vh, 54px) 0 clamp(54px, 6vh, 72px);
  border: 0;
  opacity: var(--scene-opacity, 0);
  pointer-events: none;
  transform:
    translate3d(0, var(--scene-shift, 30px), 0)
    scale(var(--scene-scale, 0.985));
  will-change: opacity, transform;
}

.js .world-scene:first-child {
  --scene-opacity: 1;
  --scene-shift: 0px;
  --scene-scale: 1;
}

.js .world-scene.is-active {
  pointer-events: auto;
}

.js .world-scene .world-copy {
  transform: translate3d(var(--copy-shift, 0px), 0, 0);
  will-change: transform;
}

.js .world-scene .world-visual {
  transform: translate3d(var(--visual-shift, 0px), 0, 0);
  will-change: transform;
}

.js .world-progress {
  position: absolute;
  z-index: 20;
  left: 50%;
  bottom: max(14px, env(safe-area-inset-bottom));
  min-height: 32px;
  padding: 6px 10px 6px 13px;
  display: flex;
  align-items: center;
  gap: 12px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(7, 11, 15, 0.72);
  border-radius: 999px;
  backdrop-filter: blur(16px);
  transform: translateX(-50%);
}

.js .world-bridge {
  position: absolute;
  z-index: 18;
  top: 50%;
  left: 50%;
  width: min(calc(100% - 40px), 430px);
  padding: 22px 28px;
  display: grid;
  place-items: center;
  gap: 12px;
  color: var(--text);
  border: 1px solid rgba(114, 221, 211, 0.22);
  background: rgba(7, 11, 15, 0.72);
  border-radius: 22px;
  box-shadow:
    0 24px 72px rgba(0, 0, 0, 0.38),
    0 0 54px rgba(86, 196, 187, 0.1);
  opacity: var(--bridge-opacity, 0);
  pointer-events: none;
  backdrop-filter: blur(16px);
  transform:
    translate(-50%, calc(-50% + var(--bridge-shift, 12px)))
    scale(var(--bridge-scale, 0.98));
  will-change: opacity, transform;
}

.world-bridge svg {
  width: 142px;
  height: 28px;
  overflow: visible;
  fill: none;
  stroke: var(--teal-bright);
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 2.2;
  filter: drop-shadow(0 0 10px rgba(86, 196, 187, 0.42));
}

.world-bridge strong {
  font-size: clamp(1.2rem, 2vw, 1.75rem);
  letter-spacing: -0.035em;
}

.world-progress__label {
  min-width: 52px;
  color: #d7dcdf;
  font-size: 0.65rem;
  font-weight: 800;
  text-align: right;
}

.world-progress__steps {
  display: flex;
  align-items: center;
  gap: 6px;
}

.world-progress button {
  width: 18px;
  height: 4px;
  padding: 0;
  border: 0;
  background: rgba(255, 255, 255, 0.25);
  border-radius: 999px;
  cursor: pointer;
  transition:
    width 180ms ease,
    background-color 180ms ease;
}

.world-progress button.is-active {
  width: 34px;
  background: var(--teal-bright);
}

.world-anchor {
  position: absolute;
  left: 0;
  width: 1px;
  height: 1px;
  scroll-margin-top: var(--header-height);
}

.world-anchor--one {
  top: calc(20% - 20svh);
}

.world-anchor--two {
  top: calc(40% - 40svh);
}

.world-anchor--three {
  top: calc(60% - 60svh);
}

.world-anchor--four {
  top: calc(80% - 80svh);
}

.world-anchor--five {
  top: calc(100% - 100svh);
}

.community-section {
  position: relative;
  z-index: 10;
  padding: clamp(76px, 10vw, 136px) 0;
  overflow: hidden;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  background:
    radial-gradient(circle at 12% 30%, rgba(86, 196, 187, 0.2), transparent 34%),
    radial-gradient(circle at 88% 74%, rgba(255, 129, 118, 0.14), transparent 32%),
    linear-gradient(145deg, #090d12 0%, #10211f 58%, #171114 100%);
}

.community-section::before {
  position: absolute;
  inset: 0;
  z-index: -1;
  content: "";
  opacity: 0.13;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.05) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(circle at center, #000, transparent 78%);
}

.community-inner {
  display: grid;
  grid-template-columns: minmax(280px, 0.72fr) minmax(480px, 1.28fr);
  gap: clamp(48px, 8vw, 116px);
  align-items: center;
  padding: clamp(36px, 5vw, 70px);
  border: 1px solid rgba(255, 255, 255, 0.13);
  border-radius: clamp(28px, 4vw, 50px);
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.07), transparent 44%),
    rgba(9, 13, 18, 0.68);
  box-shadow:
    0 42px 120px rgba(0, 0, 0, 0.38),
    inset 0 1px 0 rgba(255, 255, 255, 0.06);
  backdrop-filter: blur(22px);
  -webkit-backdrop-filter: blur(22px);
}

.community-proof {
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-height: 290px;
  padding: clamp(26px, 4vw, 42px);
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 34px;
  color: #edfffd;
  background:
    radial-gradient(circle at 28% 18%, rgba(255, 255, 255, 0.18), transparent 30%),
    linear-gradient(145deg, rgba(86, 196, 187, 0.94), rgba(32, 111, 130, 0.9));
  box-shadow:
    0 24px 72px rgba(0, 0, 0, 0.28),
    inset 0 1px 0 rgba(255, 255, 255, 0.18);
  transform: rotate(-2deg);
}

.community-proof > span {
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.community-proof > strong {
  margin: 14px 0 6px;
  color: #fff;
  font-size: clamp(4.1rem, 6vw, 5.6rem);
  font-weight: 800;
  line-height: 0.86;
  letter-spacing: -0.075em;
  text-shadow: 0 10px 30px rgba(0, 0, 0, 0.18);
}

.community-proof > p {
  margin-bottom: 0;
  font-weight: 700;
}

.community-copy h2 {
  max-width: 580px;
  font-size: clamp(3rem, 4.7vw, 5.2rem);
}

.community-lede {
  max-width: 610px;
  margin: 24px 0 0;
  color: var(--muted);
  font-size: 1.05rem;
  line-height: 1.7;
}

.social-links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}

.social-link {
  display: grid;
  grid-template-columns: 28px 1fr auto;
  gap: 12px;
  align-items: center;
  min-width: 218px;
  min-height: 68px;
  padding: 12px 16px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 18px;
  color: #fff;
  box-shadow:
    0 16px 42px rgba(0, 0, 0, 0.24),
    inset 0 1px 0 rgba(255, 255, 255, 0.12);
  transition:
    transform 180ms ease,
    border-color 180ms ease,
    box-shadow 180ms ease;
}

.social-link--facebook {
  background: linear-gradient(145deg, #1877f2, #0b5ac7);
}

.social-link--instagram {
  background: linear-gradient(145deg, #833ab4, #e1306c 54%, #f77737);
}

.social-link:hover,
.social-link:focus-visible {
  border-color: rgba(255, 255, 255, 0.46);
  box-shadow:
    0 22px 54px rgba(0, 0, 0, 0.34),
    0 0 30px rgba(255, 255, 255, 0.08);
  transform: translateY(-3px);
}

.social-link:focus-visible {
  outline: 2px solid var(--teal-bright);
  outline-offset: 4px;
}

.social-link svg {
  width: 28px;
  height: 28px;
  fill: currentColor;
}

.social-link small,
.social-link strong {
  display: block;
}

.social-link small {
  margin-bottom: 3px;
  font-size: 0.66rem;
  font-weight: 600;
  opacity: 0.82;
}

.social-link strong {
  font-size: 1rem;
}

.social-link__arrow {
  font-size: 1.15rem;
  opacity: 0.72;
}

.site-footer {
  position: relative;
  z-index: 10;
  padding: 28px 0;
  border-top: 1px solid var(--border);
  background: #070a0e;
}

.footer-inner {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 22px;
}

.footer-inner p {
  margin-bottom: 0;
  color: var(--muted-dark);
  font-size: 0.76rem;
}

.footer-inner p:last-child {
  text-align: right;
}

.footer-center p {
  text-align: center;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 5px 16px;
  margin-top: 5px;
  color: var(--muted);
  font-size: 0.72rem;
}

.footer-links a:hover,
.footer-links a:focus-visible {
  color: var(--teal-bright);
}

.footer-links a:focus-visible {
  outline: 2px solid var(--teal-bright);
  outline-offset: 3px;
}

@media (max-width: 1080px) {
  .desktop-nav {
    display: none;
  }

  .world-scene {
    grid-template-columns: minmax(390px, 0.95fr) minmax(390px, 1.05fr);
    gap: 28px;
  }

  .world-visual--listen {
    gap: 8px;
  }

  .visual-note {
    transform: translate(58%, 140%);
  }

  .visual-note--course {
    transform: translate(-58%, -150%);
  }
}

@media (max-width: 820px) {
  :root {
    --header-height: 68px;
  }

  .shell,
  .header-inner {
    width: min(calc(100% - 32px), var(--shell));
  }

  .brand-mark {
    width: 38px;
    height: 38px;
    border-radius: 11px;
  }

  .brand-mark img {
    width: 30px;
    height: 30px;
  }

  .brand-wordmark {
    font-size: 1rem;
  }

  .site-header .button {
    min-height: 40px;
    padding-inline: 15px;
    font-size: 0.8rem;
  }

  .world-shade {
    background:
      linear-gradient(180deg, rgba(5, 8, 12, 0.92) 0%, rgba(5, 8, 12, 0.73) 42%, rgba(5, 8, 12, 0.38) 72%, rgba(5, 8, 12, 0.58) 100%),
      linear-gradient(90deg, rgba(5, 8, 12, 0.34), rgba(5, 8, 12, 0.1));
  }

  .world-scenes {
    gap: 30px;
  }

  .world-scene,
  .js .world-scene {
    min-height: calc(100svh - var(--header-height));
    padding: 18px 0 48px;
    grid-template-columns: 1fr;
    grid-template-rows: auto minmax(0, 1fr);
    align-items: stretch;
    gap: 12px;
  }

  .js .world-scene {
    height: 100%;
    min-height: 0;
  }

  .world-copy {
    max-width: 620px;
    text-align: center;
    justify-self: center;
  }

  .eyebrow {
    margin-bottom: 10px;
    font-size: 0.68rem;
  }

  h1 {
    max-width: 580px;
    font-size: clamp(2.55rem, 8.7vw, 4.15rem);
    line-height: 1.01;
  }

  h2 {
    max-width: 610px;
    font-size: clamp(2.25rem, 7.4vw, 3.4rem);
    line-height: 1.01;
  }

  .world-lede {
    max-width: 570px;
    margin: 14px auto 0;
    font-size: 0.92rem;
    line-height: 1.46;
  }

  .feature-pills,
  .store-badges {
    justify-content: center;
  }

  .feature-pills {
    margin-top: 15px;
  }

  .store-badges {
    margin-top: 16px;
  }

  .hero-proof {
    justify-content: center;
    margin-inline: auto;
    margin-top: 11px;
  }

  .world-visual {
    min-height: 0;
    height: 100%;
  }

  .world-visual--hero,
  .world-visual--listen {
    width: min(100%, 560px);
    margin-inline: auto;
  }

  .world-visual--listen {
    grid-template-columns: minmax(105px, 0.82fr) minmax(145px, 1.18fr);
    gap: 8px;
  }

  .product-film {
    max-width: 560px;
    padding: 7px;
    border-radius: 22px;
    transform: none;
  }

  .product-film__media {
    border-radius: 16px;
  }

  .product-film__caption {
    min-height: 40px;
    padding: 8px 7px 1px;
  }

  .reel-player {
    width: min(26vw, 24svh, 170px);
    min-width: 112px;
    padding: 6px;
    border-radius: 16px;
    transform: rotate(-2deg) translateY(5px);
  }

  .reel-player__media {
    border-radius: 11px;
  }

  .sound-control {
    min-height: 34px;
    margin-top: 6px;
    padding-inline: 7px;
    font-size: 0.62rem;
  }

  .sound-control svg {
    width: 14px;
    height: 14px;
  }

  .phone-device--hero {
    width: min(34vw, 34svh, 245px);
    min-width: 145px;
  }

  .phone-device--lesson {
    width: min(39vw, 33svh, 230px);
  }

  .visual-note {
    min-width: 156px;
    padding: 10px 12px;
    transform: translate(48%, 125%);
  }

  .visual-note--course {
    transform: translate(-48%, -135%);
  }

  .visual-note strong {
    font-size: 0.74rem;
  }

  .visual-note span {
    font-size: 0.62rem;
  }

  .footer-inner {
    grid-template-columns: 1fr;
    justify-items: center;
    text-align: center;
  }

  .footer-inner p:last-child {
    text-align: center;
  }

  .community-section {
    padding: 76px 0;
  }

  .community-inner {
    grid-template-columns: 1fr;
    gap: 38px;
    padding: 26px;
    border-radius: 30px;
  }

  .community-proof {
    min-height: 220px;
    border-radius: 26px;
    transform: rotate(-1deg);
  }

  .community-copy h2 {
    font-size: clamp(2.6rem, 10vw, 4rem);
  }
}

@media (max-width: 560px) {
  :root {
    --header-height: 64px;
  }

  .shell,
  .header-inner {
    width: min(calc(100% - 28px), var(--shell));
  }

  .header-inner {
    gap: 8px;
  }

  .community-section {
    padding: 56px 0;
  }

  .community-inner {
    gap: 32px;
    padding: 20px;
    border-radius: 24px;
  }

  .community-proof {
    min-height: 190px;
    padding: 24px;
    border-radius: 21px;
  }

  .community-proof > strong {
    font-size: clamp(3.8rem, 19vw, 5.2rem);
  }

  .community-copy h2 {
    font-size: clamp(2.35rem, 11vw, 3.2rem);
  }

  .community-lede {
    margin-top: 16px;
    font-size: 0.92rem;
    line-height: 1.58;
  }

  .social-links {
    display: grid;
    grid-template-columns: 1fr;
    margin-top: 22px;
  }

  .social-link {
    width: 100%;
    min-width: 0;
  }

  .brand-link {
    gap: 7px;
  }

  .brand-mark {
    width: 36px;
    height: 36px;
  }

  .brand-mark img {
    width: 28px;
    height: 28px;
  }

  .brand-wordmark {
    font-size: 0.94rem;
  }

  .site-header .button {
    min-height: 38px;
    padding-inline: 13px;
    border-radius: 12px;
    font-size: 0.75rem;
  }

  .world-scene,
  .js .world-scene {
    padding-top: 12px;
    padding-bottom: 45px;
    gap: 8px;
  }

  .world-scene--hero,
  .js .world-scene--hero {
    padding-top: 10px;
  }

  h1 {
    max-width: 360px;
    font-size: clamp(2.12rem, 10.2vw, 2.68rem);
  }

  h2 {
    max-width: 360px;
    font-size: clamp(1.95rem, 8.7vw, 2.35rem);
  }

  .world-lede {
    max-width: 355px;
    margin-top: 11px;
    font-size: 0.82rem;
    line-height: 1.42;
  }

  .store-badges {
    width: 100%;
    margin-top: 13px;
    gap: 7px;
    flex-wrap: nowrap;
  }

  .store-badge {
    width: 50%;
    min-width: 0;
    min-height: 47px;
    padding: 6px 9px;
    gap: 7px;
    border-radius: 11px;
  }

  .store-badge__icon {
    width: 20px;
    height: 25px;
  }

  .store-badge small {
    font-size: 0.48rem;
  }

  .store-badge strong {
    font-size: 0.83rem;
  }

  .hero-proof {
    justify-content: center;
    width: 100%;
    margin-top: 9px;
    gap: 6px;
    font-size: 0.54rem;
  }

  .hero-proof svg {
    width: 12px;
    height: 12px;
  }

  .hero-proof strong {
    font-size: 0.65rem;
  }

  .feature-pills {
    margin-top: 12px;
    gap: 6px;
  }

  .feature-pills span {
    padding: 6px 9px;
    font-size: 0.65rem;
  }

  .world-visual--listen {
    grid-template-columns: minmax(100px, 0.84fr) minmax(130px, 1.16fr);
  }

  .product-film {
    width: 100%;
    padding: 5px;
    border-radius: 18px;
  }

  .product-film__media {
    border-radius: 14px;
  }

  .product-film__caption {
    min-height: 34px;
    padding: 7px 6px 1px;
    gap: 8px;
  }

  .product-film__caption span,
  .product-film__caption strong {
    font-size: 0.59rem;
  }

  .reel-player {
    width: min(29vw, 24svh, 142px);
  }

  .phone-device--hero {
    width: min(36vw, 32svh, 185px);
    min-width: 134px;
  }

  .phone-device--lesson {
    width: min(39vw, 29svh, 188px);
  }

  .visual-note {
    min-width: 138px;
    padding: 8px 10px;
    transform: translate(42%, 128%);
  }

  .visual-note--course {
    transform: translate(-42%, -138%);
  }

  .world-progress__label {
    display: none;
  }

  .js .world-bridge {
    width: min(calc(100% - 38px), 350px);
    padding: 18px 20px;
    border-radius: 18px;
  }

  .world-bridge strong {
    font-size: 1.15rem;
  }

  .js .world-progress {
    min-height: 26px;
    padding: 5px 8px;
  }

  .world-progress button {
    width: 15px;
  }

  .world-progress button.is-active {
    width: 27px;
  }
}

@media (min-width: 821px) and (max-height: 820px) {
  h1 {
    font-size: clamp(3.35rem, 4.7vw, 4.8rem);
  }

  h2 {
    font-size: clamp(2.75rem, 4vw, 4.2rem);
  }

  .world-lede {
    margin-top: 18px;
    font-size: 0.98rem;
  }

  .store-badges {
    margin-top: 17px;
  }

  .hero-proof {
    margin-top: 11px;
  }

  .reel-player {
    width: min(13vw, 23svh, 200px);
    min-width: 132px;
  }

  .phone-device--hero,
  .phone-device--lesson {
    width: min(22vw, 33svh, 290px);
  }
}

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

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

  .js .scroll-world {
    height: auto;
    min-height: 0;
  }

  .js .world-stage {
    position: relative;
    top: auto;
    height: auto;
    overflow: hidden;
  }

  .js .world-backdrop {
    inset: 0;
  }

  .js .world-backdrop img {
    width: 100%;
    height: 100%;
    transform: none !important;
  }

  .js .world-scenes {
    height: auto;
    display: grid;
  }

  .js .world-scene,
  .js .world-scene:first-child {
    position: relative;
    inset: auto;
    min-height: calc(100svh - var(--header-height));
    height: auto;
    opacity: 1 !important;
    pointer-events: auto;
    transform: none !important;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  }

  .js .world-scene .world-copy,
  .js .world-scene .world-visual {
    transform: none !important;
  }

  .js .world-progress,
  .world-anchor,
  .js .world-bridge {
    display: none;
  }
}