:root {
  --navy: #050b19;
  --navy-soft: #07152e;
  --blue: #0878f9;
  --blue-bright: #1ba4ff;
  --blue-soft: #eaf3ff;
  --ink: #071022;
  --muted: #98a1b4;
  --line: rgba(255,255,255,0.15);
  --light-line: rgba(7,16,34,0.12);
  --container: 1180px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}
* {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
}
body {
  margin: 0;
  color: #fff;
  background: var(--navy);
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "Segoe UI", sans-serif;
  font-size: 16px;
  line-height: 1.5;
  overflow-x: hidden;
}
img {
  max-width: 100%;
  display: block;
}
a {
  color: inherit;
  text-decoration: none;
}
button {
  font: inherit;
}
.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: calc(100% - 64px);
  margin: 0 auto;
}
.section-dark {
  background: var(--navy);
}
.section-light {
  color: var(--ink);
  background: #f6f8fc;
}
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 20;
  background: rgba(5,11,25,0.78);
  border-bottom: 1px solid rgba(255,255,255,0.08);
  backdrop-filter: blur(18px);
}
.header-inner {
  height: 78px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 22px;
  font-weight: 750;
  letter-spacing: -0.04em;
}
.brand img {
  width: 30px;
  height: 30px;
  border-radius: 8px;
}
.brand-x {
  color: var(--blue-bright);
}
.desktop-nav {
  display: flex;
  gap: 40px;
  margin-left: auto;
  margin-right: 42px;
  font-size: 14px;
  color: rgba(255,255,255,0.76);
}
.desktop-nav a {
  transition: color 0.2s ease;
}
.desktop-nav a:hover {
  color: #fff;
}
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
  background: var(--blue);
  color: #fff;
  font-weight: 700;
  transition: transform 0.2s ease, background 0.2s ease;
}
.button:hover {
  background: #218aff;
  transform: translateY(-2px);
}
.button-small {
  min-height: 40px;
  padding: 0 18px;
  font-size: 14px;
}
.menu-toggle,
.mobile-menu {
  display: none;
}
.hero {
  min-height: 770px;
  padding-top: 150px;
  position: relative;
  overflow: hidden;
  background: radial-gradient(circle at 76% 48%, rgba(0,116,255,0.28), transparent 33%), linear-gradient(120deg, var(--navy), var(--navy-soft) 65%, #06113c);
}
.hero-grid {
  min-height: 560px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(360px, 0.84fr);
  align-items: center;
  gap: 56px;
}
.hero-copy {
  max-width: 620px;
}
.hero-kicker,
.section-label {
  margin: 0 0 20px;
  color: var(--blue-bright);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}
.hero h1 {
  max-width: 620px;
  margin: 0;
  font-size: clamp(60px, 7vw, 106px);
  line-height: 0.98;
  letter-spacing: -0.075em;
  font-weight: 780;
}
.hero h1 span {
  color: transparent;
  background: linear-gradient(100deg, #0e7bff, #26c6ff);
  -webkit-background-clip: text;
  background-clip: text;
}
.hero-description {
  margin: 30px 0 6px;
  color: #d8deea;
  font-size: clamp(22px, 2.3vw, 30px);
  letter-spacing: -0.03em;
}
.hero-detail {
  max-width: 460px;
  margin: 0 0 34px;
  color: var(--muted);
  font-size: 17px;
}
.app-store-link {
  display: inline-flex;
  transition: transform 0.2s ease, filter 0.2s ease;
}
.app-store-link img {
  width: 182px;
  height: auto;
}
.app-store-link:hover {
  transform: translateY(-2px);
  filter: brightness(1.12);
}
.hero-device {
  min-height: 550px;
  display: flex;
  justify-content: center;
  align-items: center;
  position: relative;
}
.glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(70px);
  background: #056eff;
  opacity: 0.5;
}
.glow-hero {
  width: 340px;
  height: 460px;
}
.watch-shell {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: visible;
  padding: 10px;
  border: 2px solid #495265;
  background: #02050b;
  box-shadow: 0 24px 70px rgba(0,0,0,0.52), inset 0 0 0 6px #111827;
}
.watch-shell img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  background: #000;
}
.watch-large {
  z-index: 2;
  width: 294px;
  height: 354px;
  border-radius: 72px;
}
.watch-large img {
  border-radius: 56px;
}
.watch-crown {
  position: absolute;
  z-index: 3;
  width: 20px;
  height: 64px;
  right: -17px;
  top: 112px;
  border-radius: 0 10px 10px 0;
  background: linear-gradient(#6e7788, #1f2939 44%, #727d91);
  box-shadow: 2px 0 4px rgba(0,0,0,0.35);
}
.watch-strap {
  position: absolute;
  z-index: 1;
  left: 50%;
  width: 128px;
  height: 164px;
  transform: translateX(-50%);
  background: linear-gradient(90deg, #111827, #30394a 50%, #111827);
  box-shadow: 0 14px 30px rgba(0,0,0,0.4);
}
.strap-top {
  top: 0;
  border-radius: 28px 28px 8px 8px;
}
.strap-bottom {
  bottom: 0;
  border-radius: 8px 8px 28px 28px;
}
.hero-scroll {
  position: absolute;
  bottom: 28px;
  left: 50%;
  display: flex;
  align-items: center;
  gap: 10px;
  transform: translateX(-50%);
  color: rgba(255,255,255,0.45);
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}
.hero-scroll span {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--blue-bright);
}
.screen-reel {
  padding: 64px 0 82px;
  border-top: 1px solid var(--line);
}
.reel-grid {
  display: grid;
  grid-template-columns: 1.2fr repeat(3, 1fr);
  gap: 24px;
  align-items: end;
}
.phone-reel-frame {
  width: 100%;
  max-width: 170px;
  justify-self: center;
  overflow: hidden;
  border: 7px solid #151b29;
  border-radius: 34px 34px 0 0;
  box-shadow: 0 24px 50px rgba(0,0,0,0.35);
}
.phone-reel-frame img {
  width: 100%;
}
.watch-medium {
  width: 100%;
  max-width: 220px;
  height: 256px;
  justify-self: center;
  border-radius: 56px;
}
.watch-medium img {
  border-radius: 44px;
}
.watch-medium:before,
.watch-medium:after {
  content: "";
  position: absolute;
  z-index: 0;
  left: 50%;
  width: 78px;
  height: 62px;
  transform: translateX(-50%);
  background: #242d3e;
}
.watch-medium:before {
  top: -48px;
  border-radius: 16px 16px 0 0;
}
.watch-medium:after {
  bottom: -48px;
  border-radius: 0 0 16px 16px;
}
.watch-medium img {
  position: relative;
  z-index: 1;
}
.feature-band {
  padding: 96px 0 112px;
  border-top: 1px solid var(--line);
}
.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
}
.feature-item {
  min-height: 220px;
  padding: 0 46px;
  border-left: 1px solid var(--line);
}
.feature-item:first-child {
  padding-left: 0;
  border-left: 0;
}
.feature-icon {
  display: block;
  margin-bottom: 20px;
  color: var(--blue-bright);
  font-size: 42px;
  line-height: 1;
  font-weight: 700;
}
.feature-bubble {
  font-size: 38px;
}
.feature-bolt {
  font-size: 52px;
}
.feature-item h2 {
  max-width: 230px;
  margin: 0 0 18px;
  font-size: 25px;
  line-height: 1.08;
  letter-spacing: -0.04em;
}
.feature-item p {
  max-width: 250px;
  margin: 0;
  color: var(--muted);
  font-size: 15px;
}
.setup {
  padding: 108px 0 120px;
}
.setup-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 120px;
  align-items: center;
}
.phone-stage {
  min-height: 540px;
  display: flex;
  justify-content: center;
  align-items: center;
  position: relative;
}
.phone-shadow {
  position: absolute;
  width: 260px;
  height: 96px;
  bottom: 20px;
  border-radius: 50%;
  background: rgba(23,83,181,0.18);
  filter: blur(24px);
}
.phone-frame {
  z-index: 1;
  width: 280px;
  overflow: hidden;
  border: 8px solid #111827;
  border-radius: 44px;
  background: #fff;
  box-shadow: 0 30px 60px rgba(20,38,74,0.18);
}
.phone-frame img {
  width: 100%;
}
.setup-copy {
  max-width: 470px;
}
.section-light .section-label {
  color: #086ff1;
}
.setup h2,
.faq h2,
.download-band h2 {
  margin: 0;
  font-size: clamp(42px, 5vw, 68px);
  line-height: 0.98;
  letter-spacing: -0.07em;
}
.setup-copy > p:not(.section-label) {
  max-width: 410px;
  margin: 28px 0 34px;
  color: #556175;
  font-size: 17px;
}
.steps {
  display: grid;
  gap: 22px;
  padding: 0;
  margin: 0;
  list-style: none;
}
.steps li {
  display: flex;
  align-items: flex-start;
  gap: 16px;
}
.steps li > span {
  width: 28px;
  height: 28px;
  flex: 0 0 28px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: var(--blue);
  color: #fff;
  font-size: 13px;
  font-weight: 800;
}
.steps strong,
.steps small {
  display: block;
}
.steps strong {
  margin-bottom: 2px;
  font-size: 16px;
}
.steps small {
  color: #7a8497;
  font-size: 14px;
}
.faq {
  padding: 92px 0 106px;
  border-top: 1px solid var(--line);
}
.faq-inner {
  display: grid;
  grid-template-columns: 0.55fr 1.45fr;
  gap: 86px;
}
.faq h2 {
  font-size: clamp(56px, 7vw, 84px);
}
.faq-list {
  border-top: 1px solid var(--line);
}
.faq-list details {
  border-bottom: 1px solid var(--line);
}
.faq-list summary {
  min-height: 74px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  cursor: pointer;
  list-style: none;
  font-size: 16px;
  font-weight: 700;
}
.faq-list summary::-webkit-details-marker {
  display: none;
}
.faq-list summary span {
  width: 12px;
  height: 12px;
  flex: 0 0 12px;
  position: relative;
}
.faq-list summary span:before,
.faq-list summary span:after {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  width: 12px;
  height: 1px;
  background: #fff;
  transform: translate(-50%, -50%);
  transition: transform 0.2s ease;
}
.faq-list summary span:after {
  transform: translate(-50%, -50%) rotate(90deg);
}
.faq-list details[open] summary span:after {
  transform: translate(-50%, -50%) rotate(0);
}
.faq-list p {
  max-width: 620px;
  margin: 0 48px 24px 0;
  color: var(--muted);
  font-size: 15px;
}
.download-band {
  color: #fff;
  background: linear-gradient(110deg, #076dff, #1389f4 55%, #24b4ff);
}
.download-inner {
  padding: 92px 0 96px;
  text-align: center;
}
.download-band h2 {
  font-size: clamp(38px, 5vw, 64px);
}
.download-band p {
  margin: 16px 0 28px;
  color: rgba(255,255,255,0.8);
  font-size: 17px;
}
.site-footer {
  padding: 34px 0 26px;
}
.footer-inner {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 30px;
  color: rgba(255,255,255,0.62);
  font-size: 13px;
}
.footer-inner .brand {
  color: #fff;
  font-size: 18px;
  justify-self: start;
}
.footer-inner .brand img {
  width: 24px;
  height: 24px;
}
.footer-inner nav {
  display: flex;
  gap: 28px;
}
.footer-inner p {
  justify-self: end;
  margin: 0;
}
.legal-note {
  margin-top: 26px;
  padding-top: 20px;
  border-top: 1px solid var(--line);
  color: rgba(255,255,255,0.36);
  font-size: 12px;
  text-align: center;
}
.reveal {
  animation: reveal 0.8s var(--ease) both;
}
.reveal-delay {
  animation-delay: 0.12s;
}
@media (max-width: 860px) {
  .container {
    width: calc(100% - 40px);
  }
  .desktop-nav,
  .header-cta {
    display: none;
  }
  .menu-toggle {
    display: grid;
    gap: 5px;
    width: 40px;
    height: 40px;
    padding: 10px;
    border: 0;
    background: transparent;
    cursor: pointer;
  }
  .menu-toggle span:not(.sr-only) {
    display: block;
    height: 2px;
    background: #fff;
  }
  .mobile-menu {
    padding: 0 20px;
    background: rgba(5,11,25,0.98);
    border-top: 1px solid rgba(255,255,255,0.08);
  }
  .mobile-menu a {
    display: block;
    padding: 15px 0;
    border-bottom: 1px solid rgba(255,255,255,0.08);
    font-size: 14px;
  }
  .mobile-menu.open {
    display: block;
  }
  .hero {
    min-height: auto;
    padding-top: 126px;
    padding-bottom: 76px;
  }
  .hero-grid {
    min-height: 0;
    grid-template-columns: 1fr;
    gap: 30px;
  }
  .hero-copy {
    text-align: center;
    margin: 0 auto;
  }
  .hero h1 {
    font-size: clamp(56px, 14vw, 92px);
  }
  .hero-detail {
    margin-left: auto;
    margin-right: auto;
  }
  .hero-device {
    min-height: 460px;
  }
  .watch-large {
    width: 250px;
    height: 300px;
  }
  .hero-scroll {
    display: none;
  }
  .reel-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 14px;
  }
  .phone-reel-frame {
    display: none;
  }
  .watch-medium {
    max-width: 190px;
    height: 230px;
  }
  .feature-grid,
  .setup-grid,
  .faq-inner {
    grid-template-columns: 1fr;
  }
  .feature-grid {
    gap: 48px;
  }
  .feature-item,
  .feature-item:first-child {
    min-height: auto;
    padding: 0 0 0 26px;
    border-left: 1px solid var(--line);
  }
  .feature-item p {
    max-width: 430px;
  }
  .setup-grid {
    gap: 50px;
  }
  .phone-stage {
    min-height: 460px;
  }
  .setup-copy {
    margin: 0 auto;
  }
  .faq-inner {
    gap: 42px;
  }
  .footer-inner {
    grid-template-columns: 1fr 1fr;
  }
  .footer-inner nav {
    justify-self: end;
  }
  .footer-inner p {
    grid-column: 1/-1;
    justify-self: start;
  }
}
@media (max-width: 520px) {
  .container {
    width: calc(100% - 40px);
  }
  .header-inner {
    height: 68px;
  }
  .hero h1 {
    font-size: 56px;
  }
  .hero-description {
    font-size: 22px;
  }
  .hero-device {
    min-height: 400px;
  }
  .watch-large {
    width: 220px;
    height: 266px;
    border-radius: 58px;
  }
  .watch-large img {
    border-radius: 44px;
  }
  .watch-crown {
    top: 88px;
  }
  .watch-strap {
    width: 100px;
    height: 120px;
  }
  .screen-reel {
    padding: 48px 0 64px;
  }
  .reel-grid {
    gap: 9px;
  }
  .watch-medium {
    height: 188px;
    padding: 7px;
    border-radius: 42px;
  }
  .watch-medium img {
    border-radius: 33px;
  }
  .watch-medium:before,
  .watch-medium:after {
    width: 54px;
    height: 45px;
  }
  .watch-medium:before {
    top: -35px;
  }
  .watch-medium:after {
    bottom: -35px;
  }
  .feature-band,
  .setup,
  .faq {
    padding-top: 76px;
    padding-bottom: 80px;
  }
  .setup h2,
  .faq h2 {
    font-size: 48px;
  }
  .phone-frame {
    width: 235px;
  }
  .footer-inner {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
  }
  .footer-inner nav {
    gap: 15px;
  }
  .footer-inner p {
    width: 100%;
    margin-top: 8px;
  }
}
@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;
  }
}
@-moz-keyframes reveal {
  from {
    opacity: 0;
    transform: translateY(22px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}
@-webkit-keyframes reveal {
  from {
    opacity: 0;
    transform: translateY(22px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}
@-o-keyframes reveal {
  from {
    opacity: 0;
    transform: translateY(22px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}
@keyframes reveal {
  from {
    opacity: 0;
    transform: translateY(22px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}
