:root {
  color-scheme: light;
  --ink: #111827;
  --muted: #5f6674;
  --soft: #f4f7fb;
  --paper: #ffffff;
  --line: rgba(17, 24, 39, 0.12);
  --blue: #1769ff;
  --blue-deep: #0f3fb8;
  --green: #18b88f;
  --gold: #f2c94c;
  --shadow: 0 24px 80px rgba(21, 35, 68, 0.16);
  --radius: 8px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "PingFang SC",
    "Hiragino Sans", "Yu Gothic", "Malgun Gothic", "Segoe UI", sans-serif;
  color: var(--ink);
  background:
    linear-gradient(90deg, rgba(23, 105, 255, 0.08) 1px, transparent 1px),
    linear-gradient(0deg, rgba(23, 105, 255, 0.055) 1px, transparent 1px),
    #f8fafc;
  background-size: 72px 72px;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

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

button,
select {
  font: inherit;
}

.site-shell {
  min-height: 100vh;
  overflow: hidden;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 30;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 18px clamp(20px, 4vw, 64px);
  background: rgba(248, 250, 252, 0.84);
  border-bottom: 1px solid rgba(17, 24, 39, 0.08);
  backdrop-filter: blur(20px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 13px;
  font-size: 23px;
  font-weight: 800;
  letter-spacing: -0.025em;
}

.brand img {
  width: 52px;
  height: 52px;
  border-radius: 12px;
  box-shadow: 0 10px 26px rgba(23, 105, 255, 0.16);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.language-select {
  min-width: 126px;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 9px 32px 9px 14px;
  background: rgba(255, 255, 255, 0.8);
  color: var(--ink);
  cursor: pointer;
}

.nav-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 38px;
  border-radius: 999px;
  padding: 0 16px;
  background: var(--ink);
  color: white;
  font-size: 14px;
  font-weight: 700;
}

.nav-link.is-disabled {
  cursor: default;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(420px, 0.96fr);
  gap: clamp(28px, 5vw, 72px);
  align-items: center;
  width: min(1280px, calc(100% - 36px));
  margin: 0 auto;
  padding: clamp(54px, 8vw, 96px) 0 clamp(50px, 8vw, 90px);
}

.eyebrow {
  display: inline-flex;
  width: fit-content;
  margin-bottom: 18px;
  border: 1px solid rgba(23, 105, 255, 0.2);
  border-radius: 999px;
  padding: 9px 14px;
  background: rgba(255, 255, 255, 0.76);
  color: var(--blue-deep);
  font-size: clamp(15px, 1.3vw, 18px);
  font-weight: 800;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.hero h1 {
  max-width: 760px;
  margin: 0;
  font-size: clamp(48px, 8vw, 104px);
  line-height: 0.94;
  letter-spacing: -0.075em;
}

.hero h1 span {
  display: block;
  color: var(--blue);
}

.lead {
  max-width: 660px;
  margin: 26px 0 0;
  color: #354052;
  font-size: clamp(18px, 2vw, 24px);
  line-height: 1.45;
  letter-spacing: -0.02em;
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
  margin-top: 34px;
}

.hero-copy {
  position: relative;
  z-index: 8;
}

.app-store-button {
  display: none;
}

.app-store-badge-link {
  position: relative;
  z-index: 9;
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: fit-content;
  line-height: 0;
  cursor: pointer;
  pointer-events: auto;
  -webkit-tap-highlight-color: rgba(23, 105, 255, 0.18);
}

.app-store-badge-link,
.app-store-badge-link * {
  cursor: pointer;
}

.app-store-badge {
  display: block;
  width: clamp(168px, 16vw, 202px);
  height: auto;
  pointer-events: none;
  transition: transform 160ms ease, filter 160ms ease;
}

.app-store-badge-link:hover .app-store-badge,
.app-store-badge-link:focus-visible .app-store-badge {
  filter: drop-shadow(0 10px 18px rgba(17, 24, 39, 0.18));
  transform: translateY(-1px);
}

.hero-visual {
  position: relative;
  min-height: 690px;
}

.phone-stack {
  position: relative;
  height: min(78vw, 760px);
  min-height: 660px;
}

.phone-shot {
  position: absolute;
  width: min(36vw, 390px);
  aspect-ratio: 1242 / 2688;
  overflow: hidden;
  border: 10px solid #101217;
  border-radius: 38px;
  background: #101217;
  box-shadow: var(--shadow);
}

.phone-shot img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.phone-shot picture {
  display: block;
  width: 100%;
  height: 100%;
}

.phone-shot.primary {
  top: 12px;
  right: 6%;
  z-index: 3;
}

.phone-shot.secondary {
  top: 118px;
  left: 0;
  z-index: 2;
  transform: rotate(-4deg);
  opacity: 0.92;
}

.floating-stat {
  position: absolute;
  right: 0;
  bottom: 28px;
  z-index: 5;
  width: min(86%, 360px);
  border: 1px solid rgba(255, 255, 255, 0.74);
  border-radius: var(--radius);
  padding: 18px;
  background: rgba(255, 255, 255, 0.86);
  box-shadow: 0 20px 60px rgba(21, 35, 68, 0.16);
  backdrop-filter: blur(20px);
}

.floating-stat strong {
  display: block;
  margin-bottom: 8px;
  font-size: 18px;
}

.floating-stat p {
  margin: 0;
  color: var(--muted);
  line-height: 1.45;
}

.section {
  width: min(1280px, calc(100% - 36px));
  margin: 0 auto;
  padding: clamp(46px, 7vw, 86px) 0;
}

.section-kicker {
  margin: 0 0 14px;
  color: var(--green);
  font-size: 13px;
  font-weight: 900;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.section-title {
  max-width: 780px;
  margin: 0;
  font-size: clamp(34px, 5vw, 66px);
  line-height: 1.02;
  letter-spacing: -0.06em;
}

.section-copy {
  max-width: 680px;
  margin: 18px 0 0;
  color: var(--muted);
  font-size: 18px;
  line-height: 1.65;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin-top: 34px;
}

.feature-card {
  position: relative;
  min-height: 310px;
  overflow: hidden;
  border: 1px solid rgba(17, 24, 39, 0.1);
  border-radius: var(--radius);
  padding: 24px;
  background: rgba(255, 255, 255, 0.82);
  box-shadow: 0 16px 54px rgba(21, 35, 68, 0.08);
}

.feature-card::before {
  content: "";
  position: absolute;
  inset: auto 24px 0 24px;
  height: 5px;
  background: var(--accent, var(--blue));
}

.feature-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  margin-bottom: 42px;
  border-radius: 50%;
  background: rgba(17, 24, 39, 0.06);
  color: var(--ink);
  font-weight: 900;
}

.feature-card h3 {
  margin: 0 0 14px;
  font-size: clamp(24px, 3vw, 34px);
  line-height: 1.05;
  letter-spacing: -0.05em;
}

.feature-card p {
  margin: 0;
  color: var(--muted);
  line-height: 1.58;
  font-size: 16px;
}

.gallery {
  display: flex;
  gap: 22px;
  margin-top: 34px;
  overflow-x: auto;
  padding: 4px 0 24px;
  overscroll-behavior-x: contain;
  scroll-snap-type: x mandatory;
  scroll-padding-left: 0;
  scrollbar-width: thin;
  scrollbar-color: rgba(23, 105, 255, 0.44) rgba(17, 24, 39, 0.08);
  -webkit-overflow-scrolling: touch;
  -webkit-mask-image: linear-gradient(90deg, #000 calc(100% - 58px), transparent);
  mask-image: linear-gradient(90deg, #000 calc(100% - 58px), transparent);
}

.gallery-card {
  flex: 0 0 clamp(320px, 28vw, 430px);
  scroll-snap-align: start;
  border: 1px solid rgba(17, 24, 39, 0.1);
  border-radius: var(--radius);
  padding: 12px;
  background: rgba(255, 255, 255, 0.82);
  box-shadow: 0 18px 50px rgba(21, 35, 68, 0.08);
}

.gallery-card img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 6px;
}

.gallery-card picture {
  display: block;
}

.gallery-card figcaption {
  padding: 10px 4px 2px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 800;
}

.gallery.is-hinting .gallery-card {
  animation: gallery-nudge 880ms ease-out 160ms both;
}

.gallery-dots {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 4px;
}

.gallery-dot {
  width: 7px;
  height: 7px;
  border: 0;
  border-radius: 999px;
  padding: 0;
  background: rgba(17, 24, 39, 0.2);
  cursor: pointer;
  transition: width 160ms ease, background 160ms ease;
}

.gallery-dot.is-active {
  width: 22px;
  background: var(--blue);
}

@keyframes gallery-nudge {
  0%,
  100% {
    transform: translate3d(0, 0, 0);
  }
  42% {
    transform: translate3d(-18px, 0, 0);
  }
  68% {
    transform: translate3d(8px, 0, 0);
  }
}

.closing {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(260px, 420px);
  gap: 24px;
  align-items: end;
  border-radius: var(--radius);
  padding: clamp(28px, 5vw, 52px);
  background: #101827;
  color: white;
}

.closing .section-kicker,
.closing .section-copy {
  color: rgba(255, 255, 255, 0.72);
}

.closing .section-title {
  color: white;
}

.social-panel {
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius);
  padding: 18px;
  background: rgba(255, 255, 255, 0.06);
}

.social-panel p {
  margin: 0 0 14px;
  color: rgba(255, 255, 255, 0.72);
}

.social-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.social-links a {
  display: inline-flex;
  align-items: center;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 999px;
  padding: 9px 13px;
  color: white;
  font-weight: 800;
  line-height: 1;
  transition: transform 160ms ease, background 160ms ease;
}

.social-links a:hover {
  transform: translateY(-2px);
  background: rgba(255, 255, 255, 0.12);
}

.footer {
  width: min(1280px, calc(100% - 36px));
  margin: 0 auto;
  padding: 26px 0 42px;
  color: var(--muted);
}

.footer-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  border-top: 1px solid rgba(17, 24, 39, 0.1);
  padding-top: 24px;
}

.footer a {
  color: #2f5fb8;
  font-weight: 700;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px;
}

.footer-links a {
  line-height: 1.4;
}

.reveal {
  animation: rise 700ms ease both;
}

@keyframes rise {
  from {
    opacity: 0;
    transform: translateY(18px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (max-width: 900px) {
  .topbar {
    align-items: flex-start;
  }

  .nav-actions {
    justify-content: flex-end;
    flex-wrap: wrap;
  }

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

  .hero {
    padding-top: 46px;
  }

  .hero-visual {
    min-height: auto;
  }

  .phone-stack {
    height: clamp(690px, 96vw, 840px);
    min-height: 0;
  }

  .phone-shot.primary {
    right: 2%;
  }

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

@media (max-width: 560px) {
  .topbar {
    padding: 14px 16px;
  }

  .brand span {
    display: inline;
  }

  .language-select {
    min-width: 112px;
  }

  .nav-link {
    padding: 0 12px;
  }

  .hero h1 {
    font-size: clamp(42px, 16vw, 64px);
  }

  .phone-stack {
    height: clamp(640px, 172vw, 740px);
    min-height: 0;
  }

  .phone-shot {
    width: min(68vw, 270px);
    border-width: 7px;
    border-radius: 28px;
  }

  .phone-shot.secondary {
    top: 88px;
  }

  .floating-stat {
    bottom: 16px;
  }

  .gallery-card {
    --gallery-card-size: min(70vw, 320px);
    flex-basis: var(--gallery-card-size);
    scroll-snap-align: center;
  }

  .gallery {
    --gallery-card-size: min(70vw, 320px);
    gap: max(48px, calc((100vw - var(--gallery-card-size)) / 2 + 18px));
    padding: 4px max(0px, calc((100% - var(--gallery-card-size)) / 2)) 18px;
    scroll-padding-inline: max(0px, calc((100% - var(--gallery-card-size)) / 2));
    scrollbar-width: none;
    -webkit-mask-image: none;
    mask-image: none;
  }

  .gallery::-webkit-scrollbar {
    display: none;
  }

  .gallery.is-hinting .gallery-card {
    animation: none;
  }

  .gallery-dots {
    justify-content: center;
    margin-top: 8px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .gallery.is-hinting .gallery-card,
  .gallery-dot {
    animation: none;
    transition: none;
  }
}