:root {
  color-scheme: dark;
  --black: #050605;
  --carbon: #101210;
  --carbon-2: #191b18;
  --paper: #f7f3e8;
  --paper-dim: #c7c0ad;
  --muted: #8f8778;
  --mint: #55c5be;
  --lime: #d9ec6b;
  --amber: #e2a85f;
  --line: rgba(247, 243, 232, 0.15);
  --line-strong: rgba(247, 243, 232, 0.28);
  --header: 76px;
  --sans: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --display: "Arial Black", Impact, Inter, ui-sans-serif, system-ui, sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  background:
    linear-gradient(180deg, rgba(85, 197, 190, 0.12), transparent 21rem),
    linear-gradient(180deg, #0b0d0b 0%, var(--black) 45%, #090907 100%);
  color: var(--paper);
  font-family: var(--sans);
  line-height: 1.5;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -2;
  pointer-events: none;
  background:
    linear-gradient(90deg, transparent 0, transparent calc(50% - 1px), rgba(247, 243, 232, 0.07) 50%, transparent calc(50% + 1px)),
    repeating-linear-gradient(90deg, rgba(247, 243, 232, 0.025) 0 1px, transparent 1px 96px);
  opacity: 0.52;
}

body::after {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background: linear-gradient(110deg, rgba(85, 197, 190, 0.08), transparent 34%, rgba(226, 168, 95, 0.08));
  mix-blend-mode: screen;
}

img,
svg {
  display: block;
}

img {
  max-width: 100%;
}

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

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

.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 50;
  min-height: var(--header);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 clamp(1.1rem, 3vw, 4.5rem);
  background: rgba(5, 6, 5, 0.74);
  border-bottom: 1px solid rgba(247, 243, 232, 0.09);
  backdrop-filter: blur(22px);
  -webkit-backdrop-filter: blur(22px);
}

.brand {
  display: inline-flex;
  align-items: center;
}

.brand-logo {
  width: 125px;
  height: auto;
}

.site-header nav,
.site-footer nav {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  color: rgba(247, 243, 232, 0.7);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.site-header nav a,
.site-footer nav a {
  position: relative;
  padding: 0.45rem 0;
  transition: color 180ms ease;
}

.site-header nav a::after,
.site-footer nav a::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0.18rem;
  height: 1px;
  background: currentColor;
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 180ms ease;
}

.site-header nav a:hover,
.site-footer nav a:hover {
  color: white;
}

.site-header nav a:hover::after,
.site-footer nav a:hover::after {
  transform: scaleX(1);
}

.hero {
  position: relative;
  isolation: isolate;
  min-height: calc(100svh - 4.5rem);
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(430px, 1.05fr);
  align-items: center;
  gap: 2rem;
  padding: calc(var(--header) + 2.2rem) clamp(1.2rem, 4vw, 5rem) 1.6rem;
  overflow: hidden;
}

.hero::after {
  content: "";
  position: absolute;
  inset: auto 0 0;
  z-index: -1;
  height: 14rem;
  background: linear-gradient(0deg, var(--black), transparent);
}

.hero-copy {
  position: relative;
  z-index: 3;
  max-width: 720px;
}

.eyebrow {
  margin-bottom: 1rem;
  color: var(--mint);
  font-size: 0.75rem;
  font-weight: 900;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.hero h1 {
  max-width: 11.5ch;
  margin-bottom: 1.25rem;
  font-family: var(--display);
  font-size: 5rem;
  line-height: 0.86;
  letter-spacing: 0;
  text-transform: uppercase;
}

.lede {
  max-width: 38rem;
  margin-bottom: 2rem;
  color: var(--paper-dim);
  font-size: 1.08rem;
  line-height: 1.65;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.8rem;
}

.button,
.store-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  border: 1px solid var(--line);
  border-radius: 8px;
  font-size: 0.82rem;
  font-weight: 900;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  transition:
    transform 180ms ease,
    background 180ms ease,
    border-color 180ms ease,
    color 180ms ease;
}

.button {
  gap: 0.55rem;
  padding: 0.82rem 1rem;
}

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

.button.primary {
  background: var(--paper);
  border-color: var(--paper);
  color: var(--black);
}

.button.secondary {
  color: rgba(247, 243, 232, 0.72);
  background: rgba(247, 243, 232, 0.03);
}

.button.secondary:hover {
  border-color: var(--line-strong);
  color: white;
}

.button-icon {
  display: inline-grid;
  place-items: center;
}

.hero-visual {
  position: relative;
  z-index: 1;
  min-height: 500px;
  transform: translate3d(0, var(--hero-y, 0px), 0);
  will-change: transform;
}

.hero-device,
.stage-phone {
  position: absolute;
  aspect-ratio: 9 / 19.5;
  background:
    linear-gradient(145deg, #2d302d, #050505 44%, #151715),
    var(--carbon);
  padding: 8px;
  border: 1px solid rgba(247, 243, 232, 0.18);
  border-radius: 38px;
  box-shadow:
    inset 0 0 0 1px rgba(255, 255, 255, 0.05),
    0 34px 80px rgba(0, 0, 0, 0.48);
}

.hero-device img,
.screen-layer {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 30px;
  background: #050505;
}

.device-island {
  position: absolute;
  top: 16px;
  left: 50%;
  z-index: 20;
  width: 34%;
  height: 22px;
  border-radius: 999px;
  background: #030303;
  box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.08);
  transform: translateX(-50%);
}

.main-device {
  top: 44%;
  right: 18%;
  width: 250px;
  transform: translateY(-50%) rotate(-3deg);
}

.ghost-device {
  width: 190px;
  opacity: 0.78;
  filter: saturate(0.95) contrast(0.95);
}

.ghost-one {
  top: 12%;
  right: 3%;
  transform: rotate(10deg);
}

.ghost-two {
  right: 46%;
  bottom: 5%;
  transform: rotate(-12deg);
}

.route-card {
  position: absolute;
  z-index: 5;
  display: flex;
  align-items: center;
  gap: 0.7rem;
  min-width: 182px;
  padding: 0.78rem 0.9rem;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(16, 18, 16, 0.82);
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.28);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
}

.route-card-one {
  top: 19%;
  left: 7%;
}

.route-card-two {
  right: 3%;
  bottom: 17%;
}

.route-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--lime);
  box-shadow: 0 0 0 5px rgba(217, 236, 107, 0.12);
  flex: 0 0 auto;
}

.route-card strong,
.route-card span {
  display: block;
}

.route-card strong {
  color: var(--paper);
  font-size: 1.08rem;
}

.route-card span {
  color: var(--paper-dim);
  font-size: 0.75rem;
}

.hero-peek {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  margin: 0 clamp(1.2rem, 4vw, 5rem);
  border: 1px solid var(--line);
  background: var(--line);
}

.hero-peek div {
  min-height: 74px;
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem 1.2rem;
  background: rgba(16, 18, 16, 0.72);
}

.hero-peek strong {
  color: var(--lime);
  font-size: 1.55rem;
}

.hero-peek span {
  color: var(--paper-dim);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.app-story {
  position: relative;
  min-height: 520svh;
  margin-top: 2.8rem;
}

.story-visual {
  position: sticky;
  top: 0;
  height: 100svh;
  display: grid;
  place-items: center;
  overflow: hidden;
  pointer-events: none;
}

.stage-grid {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, transparent 0, transparent calc(50% - 1px), rgba(247, 243, 232, 0.1) 50%, transparent calc(50% + 1px)),
    repeating-linear-gradient(0deg, rgba(247, 243, 232, 0.035) 0 1px, transparent 1px 92px);
  opacity: calc(0.24 + var(--story-progress, 0) * 0.28);
}

.app-stage {
  position: relative;
  width: min(72vh, 50vw, 720px);
  aspect-ratio: 1;
  transform: translate3d(0, var(--stage-y, 0px), 0);
}

.stage-phone {
  top: 50%;
  left: 50%;
  z-index: 10;
  width: min(310px, 38vw);
  transform: translate(-50%, -50%);
  overflow: hidden;
}

.screen-layer {
  position: absolute;
  inset: 8px;
  width: calc(100% - 16px);
  height: calc(100% - 16px);
  opacity: 0;
  transform: translateY(100%);
  transform-origin: 50% 50%;
  will-change: transform, opacity;
  transition:
    opacity 520ms ease,
    transform 720ms cubic-bezier(0.22, 1, 0.36, 1);
}

.screen-layer.is-active {
  opacity: 1;
  transform: translateY(0) scale(1);
}

.screen-layer.is-before {
  opacity: 0;
  transform: translateY(-28%) scale(0.96);
}

.stage-note {
  position: absolute;
  z-index: 6;
  display: flex;
  align-items: center;
  gap: 0.72rem;
  max-width: 240px;
  padding: 0.8rem 0.9rem;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(16, 18, 16, 0.8);
  color: var(--paper);
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.26);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  opacity: 0;
  transform: translate(-50%, -50%);
  will-change: transform, opacity;
}

.stage-note span {
  color: var(--amber);
  font-family: Georgia, "Times New Roman", serif;
  font-size: 1.35rem;
  font-weight: 700;
}

.stage-note strong {
  font-size: 0.76rem;
  font-weight: 900;
  letter-spacing: 0.08em;
  line-height: 1.25;
  text-transform: uppercase;
}

.note-discover,
.note-track {
  left: 12%;
}

.note-choose,
.note-request,
.note-chat {
  left: 88%;
}

.note-discover {
  top: 31%;
}

.note-choose {
  top: 22%;
}

.note-request {
  top: 50%;
}

.note-track {
  top: 70%;
}

.note-chat {
  top: 78%;
}

.chapters {
  position: absolute;
  inset: 0;
  z-index: 20;
  display: grid;
  grid-template-rows: repeat(5, 100svh);
  padding: 0 clamp(1.2rem, 4vw, 4.8rem);
}

.chapter {
  width: min(31rem, 31vw);
  align-self: center;
  opacity: 0.15;
  filter: blur(1px);
  transform: translateY(20px);
  transition:
    opacity 320ms ease,
    transform 320ms ease,
    filter 320ms ease;
}

.chapter.left {
  justify-self: start;
}

.chapter.right {
  justify-self: end;
  text-align: right;
}

.chapter.is-active {
  opacity: 1;
  filter: blur(0);
  transform: translateY(0);
}

.chapter.is-before {
  opacity: 0.34;
  filter: blur(0);
  transform: translateY(-8px);
}

.chapter-heading {
  display: flex;
  align-items: baseline;
  gap: 1rem;
  margin-bottom: 1.2rem;
}

.chapter.right .chapter-heading {
  justify-content: flex-end;
}

.chapter-number {
  color: var(--amber);
  font-family: Georgia, "Times New Roman", serif;
  font-size: 4.7rem;
  font-weight: 700;
  line-height: 0.78;
}

.chapter h2 {
  margin-bottom: 0;
  font-family: var(--display);
  font-size: 3.25rem;
  line-height: 0.95;
  letter-spacing: 0;
  text-transform: uppercase;
}

.chapter-subtitle {
  margin-bottom: 1.2rem;
  color: rgba(247, 243, 232, 0.72);
  font-size: 0.76rem;
  font-weight: 900;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.chapter p:not(.chapter-subtitle) {
  max-width: 28rem;
  margin-bottom: 0;
  color: var(--paper-dim);
  font-size: 0.96rem;
  line-height: 1.72;
}

.chapter.right p {
  margin-left: auto;
}

.download {
  position: relative;
  z-index: 25;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: end;
  gap: 2rem;
  padding: 7rem clamp(1.2rem, 4vw, 5rem);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background:
    linear-gradient(90deg, rgba(85, 197, 190, 0.11), transparent 55%),
    rgba(16, 18, 16, 0.72);
}

.download-copy {
  max-width: 780px;
}

.download h2 {
  margin-bottom: 1rem;
  font-family: var(--display);
  font-size: 4.6rem;
  line-height: 0.96;
  letter-spacing: 0;
  text-transform: uppercase;
}

.download p:not(.eyebrow) {
  max-width: 42rem;
  margin-bottom: 0;
  color: var(--paper-dim);
  font-size: 1rem;
  line-height: 1.7;
}

.store-button {
  gap: 0.72rem;
  min-width: 192px;
  min-height: 64px;
  padding: 0.75rem 1rem;
  background: var(--paper);
  border-color: var(--paper);
  color: var(--black);
}

.store-button span {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  line-height: 1.06;
}

.store-button small {
  font-size: 0.62rem;
  font-weight: 900;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.store-button strong {
  font-size: 1.04rem;
}

.site-footer {
  position: relative;
  z-index: 25;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.2rem;
  padding: 2.1rem clamp(1.2rem, 4vw, 5rem) 2.8rem;
  color: rgba(247, 243, 232, 0.68);
  font-size: 0.82rem;
}

.site-footer .brand-logo {
  width: 112px;
}

.site-footer small {
  white-space: nowrap;
}

@media (max-width: 1180px) {
  .hero {
    grid-template-columns: minmax(0, 0.95fr) minmax(360px, 1.05fr);
  }

  .hero h1 {
    font-size: 4.5rem;
  }

  .hero-visual {
    min-height: 500px;
  }

  .main-device {
    right: 13%;
    width: 242px;
  }

  .ghost-device {
    width: 184px;
  }

  .chapter {
    width: min(28rem, 34vw);
  }

  .chapter-number {
    font-size: 4.1rem;
  }

  .chapter h2 {
    font-size: 2.8rem;
  }
}

@media (max-width: 900px) {
  :root {
    --header: 68px;
  }

  .site-header nav {
    gap: 1rem;
  }

  .hero {
    grid-template-columns: 1fr;
    align-items: start;
    gap: 1.5rem;
    padding-top: calc(var(--header) + 2rem);
  }

  .hero h1 {
    font-size: 4.2rem;
  }

  .lede {
    font-size: 1rem;
  }

  .hero-visual {
    min-height: 510px;
  }

  .main-device {
    right: 50%;
    width: 238px;
    transform: translate(50%, -50%) rotate(-3deg);
  }

  .ghost-device {
    width: 180px;
  }

  .ghost-one {
    right: 6%;
  }

  .ghost-two {
    right: auto;
    left: 5%;
  }

  .route-card-one {
    left: 0;
    top: 6%;
  }

  .route-card-two {
    right: 0;
    bottom: 5%;
  }

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

  .app-story {
    min-height: auto;
    margin-top: 0;
  }

  .story-visual {
    top: var(--header);
    z-index: 18;
    height: 48svh;
    align-items: start;
    padding-top: 0.9rem;
    background: rgba(5, 6, 5, 0.92);
  }

  .story-visual::after {
    content: "";
    position: absolute;
    inset: auto 0 -34px;
    height: 34px;
    background: linear-gradient(180deg, rgba(5, 6, 5, 0.92), transparent);
    pointer-events: none;
  }

  .app-stage {
    width: min(88vw, 470px);
  }

  .stage-phone {
    width: min(210px, 43vw);
    padding: 6px;
    border-radius: 28px;
  }

  .stage-phone .device-island {
    top: 11px;
    height: 15px;
  }

  .screen-layer {
    inset: 6px;
    width: calc(100% - 12px);
    height: calc(100% - 12px);
    border-radius: 22px;
  }

  .stage-note {
    display: none;
  }

  .chapters {
    position: relative;
    display: block;
    padding: 0 1.2rem 3rem;
  }

  .chapter,
  .chapter.left,
  .chapter.right {
    width: min(100%, 34rem);
    min-height: 74svh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    opacity: 1;
    filter: none;
    transform: none;
    text-align: left;
  }

  .chapter.right .chapter-heading {
    justify-content: flex-start;
  }

  .chapter.is-before {
    opacity: 0.22;
  }

  .chapter-number {
    font-size: 4.3rem;
  }

  .chapter h2 {
    font-size: 3rem;
  }

  .chapter p:not(.chapter-subtitle) {
    margin-left: 0;
    font-size: 0.92rem;
  }

  .download {
    grid-template-columns: 1fr;
    align-items: start;
    padding-block: 5rem;
  }

  .download h2 {
    font-size: 3.4rem;
  }
}

@media (max-width: 620px) {
  :root {
    --header: 62px;
  }

  .brand-logo {
    width: 105px;
  }

  .site-header {
    padding-inline: 1rem;
  }

  .site-header nav a:first-child {
    display: none;
  }

  .site-header nav,
  .site-footer nav {
    font-size: 0.7rem;
    letter-spacing: 0.07em;
  }

  .hero {
    min-height: auto;
    padding: calc(var(--header) + 1.4rem) 1rem 2.4rem;
  }

  .hero h1 {
    max-width: 9ch;
    font-size: 3.25rem;
  }

  .hero-actions {
    align-items: stretch;
  }

  .button {
    width: 100%;
  }

  .hero-visual {
    min-height: 430px;
  }

  .main-device {
    top: 48%;
    width: 205px;
  }

  .ghost-device {
    width: 145px;
  }

  .route-card {
    min-width: 150px;
    padding: 0.68rem 0.75rem;
  }

  .route-card-two {
    bottom: 0;
  }

  .hero-peek {
    margin-inline: 1rem;
  }

  .hero-peek div {
    min-height: 64px;
    padding: 0.85rem;
  }

  .hero-peek strong {
    font-size: 1.3rem;
  }

  .hero-peek span {
    font-size: 0.68rem;
  }

  .story-visual {
    height: 42svh;
  }

  .chapter {
    min-height: 78svh;
  }

  .chapter-heading {
    gap: 0.72rem;
  }

  .chapter-number {
    font-size: 3.45rem;
  }

  .chapter h2 {
    font-size: 2.35rem;
  }

  .download h2 {
    font-size: 2.55rem;
  }

  .site-footer {
    align-items: flex-start;
    flex-direction: column;
  }
}

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

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