@import "tailwindcss";

:root {
  color-scheme: light;
  font-family:
    -apple-system, BlinkMacSystemFont, "SF Pro Display", "SF Pro Text", "Segoe UI",
    "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", Helvetica, Arial, sans-serif;
  background: #f5f7fb;
  color: #111827;
  font-synthesis: none;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

* {
  box-sizing: border-box;
}

html,
body,
#root {
  width: 100%;
  height: 100%;
  min-height: 100%;
  overflow: hidden;
}

body {
  margin: 0;
  background:
    radial-gradient(circle at 13% 20%, rgba(171, 199, 255, 0.34), transparent 27%),
    radial-gradient(circle at 86% 77%, rgba(214, 226, 255, 0.72), transparent 31%),
    linear-gradient(135deg, #fbfcff 0%, #f3f6fb 46%, #edf2fb 100%);
}

button,
a {
  font: inherit;
}

button {
  border: 0;
}

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

.landing-shell {
  position: relative;
  isolation: isolate;
  display: grid;
  grid-template-columns: minmax(0, 0.94fr) minmax(320px, 1.06fr);
  align-items: center;
  gap: clamp(24px, 5vw, 84px);
  width: 100%;
  height: 100dvh;
  max-height: 100dvh;
  padding: clamp(22px, 4.4vw, 72px);
  overflow: hidden;
}

.ambient {
  position: absolute;
  z-index: -2;
  border-radius: 999px;
  filter: blur(6px);
  pointer-events: none;
}

.ambient-one {
  top: 7%;
  right: 12%;
  width: 32vw;
  height: 32vw;
  background: radial-gradient(circle, rgba(120, 152, 255, 0.23), transparent 64%);
}

.ambient-two {
  left: 23%;
  bottom: -18%;
  width: 46vw;
  height: 46vw;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.95), transparent 62%);
}

.hero-copy {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  min-width: 0;
}

.brand {
  position: absolute;
  top: clamp(22px, 4.4vw, 72px);
  left: clamp(22px, 4.4vw, 72px);
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 11px;
  color: #111827;
}

.brand-main {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-weight: 700;
  letter-spacing: -0.03em;
}

.logo-mark {
  display: grid;
  place-items: center;
  width: 46px;
  height: 46px;
  overflow: hidden;
  border-radius: 13px;
}

.logo-mark img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.brand-name {
  font-size: 18px;
}

.brand-overline {
  margin: 0;
  color: #5e6f8f;
  font-size: clamp(12px, 1.4vw, 14px);
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

h1 {
  max-width: 780px;
  margin: 0;
  color: #07111f;
  font-size: clamp(40px, 5.2vw, 76px);
  font-weight: 800;
  letter-spacing: -0.045em;
  line-height: 1.04;
}

.subtitle {
  max-width: 660px;
  margin: clamp(16px, 2.6vh, 26px) 0 0;
  color: #26354a;
  font-size: clamp(19px, 1.9vw, 26px);
  font-weight: 650;
  letter-spacing: -0.02em;
  line-height: 1.25;
}

.intro {
  max-width: 590px;
  margin: clamp(12px, 2vh, 22px) 0 0;
  color: #667287;
  font-size: clamp(14px, 1.3vw, 17px);
  line-height: 1.78;
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-start;
  gap: 12px;
  margin-top: clamp(22px, 4vh, 42px);
}

.download-cta-group {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
}

.platform-note {
  color: #768298;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.01em;
  line-height: 1.35;
  white-space: nowrap;
}

.primary-cta,
.github-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  border-radius: 999px;
  font-size: 15px;
  font-weight: 700;
  letter-spacing: -0.01em;
  transition:
    transform 180ms ease,
    box-shadow 180ms ease,
    background 180ms ease;
}

.primary-cta {
  gap: 9px;
  padding: 0 22px 0 24px;
  color: #fff;
  background: #0a84ff;
  box-shadow: 0 18px 38px rgba(10, 132, 255, 0.25);
}

.apple-logo {
  display: inline-block;
  width: 17px;
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", sans-serif;
  font-size: 19px;
  font-weight: 700;
  line-height: 1;
  transform: translateY(-1px);
}

.primary-cta svg,
.nav-btn svg {
  width: 20px;
  height: 20px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.github-cta {
  width: 48px;
  height: 48px;
  color: #1f2937;
  background: rgba(255, 255, 255, 0.66);
  border: 1px solid rgba(255, 255, 255, 0.86);
  box-shadow: 0 15px 34px rgba(54, 69, 98, 0.09);
  backdrop-filter: blur(18px);
}

.github-cta svg {
  width: 23px;
  height: 23px;
  fill: currentColor;
}

.primary-cta:hover,
.github-cta:hover,
.nav-btn:hover {
  transform: translateY(-2px);
}

.primary-cta:focus-visible,
.github-cta:focus-visible,
.nav-btn:focus-visible,
.dot:focus-visible {
  outline: 3px solid rgba(10, 132, 255, 0.32);
  outline-offset: 3px;
}

.product-showcase {
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-width: 0;
  gap: 16px;
}

.device-card {
  position: relative;
  min-height: clamp(390px, 66vh, 650px);
  overflow: hidden;
  cursor: grab;
  touch-action: pan-y;
  border: 1px solid rgba(255, 255, 255, 0.68);
  border-radius: clamp(30px, 4vw, 56px);
  background:
    linear-gradient(145deg, rgba(255, 255, 255, 0.77), rgba(246, 248, 253, 0.48)),
    rgba(255, 255, 255, 0.62);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.86),
    0 35px 85px rgba(52, 68, 100, 0.18),
    0 8px 22px rgba(52, 68, 100, 0.08);
  backdrop-filter: blur(28px) saturate(1.18);
}

.device-card:active {
  cursor: grabbing;
}

.device-card::before {
  content: "";
  position: absolute;
  inset: 10% 8% auto auto;
  width: 48%;
  aspect-ratio: 1;
  border-radius: 999px;
  background: radial-gradient(circle, rgba(10, 132, 255, 0.16), transparent 62%);
}

.window-chrome {
  position: absolute;
  top: 22px;
  left: 24px;
  display: flex;
  gap: 8px;
}

.window-chrome span {
  width: 12px;
  height: 12px;
  border-radius: 999px;
  background: #d8dee9;
  box-shadow: inset 0 0 0 1px rgba(0, 0, 0, 0.04);
}

.window-chrome span:nth-child(1) {
  background: #ff5f57;
}

.window-chrome span:nth-child(2) {
  background: #febc2e;
}

.window-chrome span:nth-child(3) {
  background: #28c840;
}

.preview-stage {
  position: absolute;
  inset: 74px clamp(22px, 4vw, 52px) 154px;
  display: grid;
  place-items: center;
  border-radius: 34px;
  background:
    linear-gradient(rgba(16, 24, 40, 0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(16, 24, 40, 0.045) 1px, transparent 1px),
    linear-gradient(155deg, rgba(244, 247, 252, 0.82), rgba(255, 255, 255, 0.62));
  background-size: 34px 34px, 34px 34px, auto;
}

.capture-frame {
  position: relative;
  width: min(72%, 430px);
  aspect-ratio: 1.34;
  border: 2px solid rgba(10, 132, 255, 0.68);
  border-radius: 24px;
  background:
    radial-gradient(circle at 25% 28%, rgba(10, 132, 255, 0.14), transparent 27%),
    linear-gradient(135deg, rgba(255, 255, 255, 0.96), rgba(235, 241, 253, 0.7));
  box-shadow:
    0 24px 70px rgba(43, 78, 130, 0.18),
    inset 0 0 0 1px rgba(255, 255, 255, 0.7);
}

.corner {
  position: absolute;
  width: 21px;
  height: 21px;
  border-color: #0a84ff;
}

.top-left {
  top: -7px;
  left: -7px;
  border-top: 4px solid;
  border-left: 4px solid;
  border-radius: 8px 0 0;
}

.top-right {
  top: -7px;
  right: -7px;
  border-top: 4px solid;
  border-right: 4px solid;
  border-radius: 0 8px 0 0;
}

.bottom-left {
  bottom: -7px;
  left: -7px;
  border-bottom: 4px solid;
  border-left: 4px solid;
  border-radius: 0 0 0 8px;
}

.bottom-right {
  right: -7px;
  bottom: -7px;
  border-right: 4px solid;
  border-bottom: 4px solid;
  border-radius: 0 0 8px;
}

.preview-card {
  position: absolute;
  width: min(250px, 58vw);
  padding: 14px 16px;
  border: 1px solid rgba(255, 255, 255, 0.78);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.78);
  box-shadow: 0 22px 46px rgba(49, 62, 91, 0.16);
  backdrop-filter: blur(18px);
}

.preview-card span {
  display: block;
  margin-bottom: 5px;
  color: #7a8799;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.preview-card strong {
  display: block;
  overflow: hidden;
  color: #142033;
  font-size: 13px;
  letter-spacing: -0.02em;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.card-one {
  top: 22%;
  left: -18%;
  animation: float-card 5.2s ease-in-out infinite;
}

.card-two {
  right: -16%;
  bottom: 16%;
  animation: float-card 5.2s ease-in-out 0.7s infinite;
}

.slide-panel {
  position: absolute;
  right: clamp(22px, 4vw, 52px);
  bottom: 34px;
  left: clamp(22px, 4vw, 52px);
  min-height: 92px;
  animation: fade-slide 260ms ease both;
}

.slide-panel p {
  margin: 0 0 7px;
  color: #0a84ff;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.slide-panel h2 {
  margin: 0;
  color: #0b1524;
  font-size: clamp(27px, 3vw, 42px);
  font-weight: 780;
  letter-spacing: -0.055em;
  line-height: 1;
}

.slide-panel span {
  display: block;
  max-width: 620px;
  margin-top: 10px;
  color: #657186;
  font-size: 15px;
  line-height: 1.58;
}

.carousel-bar {
  display: grid;
  grid-template-columns: 48px minmax(0, 1fr) auto 48px;
  align-items: center;
  gap: 12px;
  padding: 10px;
  border: 1px solid rgba(255, 255, 255, 0.72);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.58);
  box-shadow: 0 18px 42px rgba(52, 68, 100, 0.1);
  backdrop-filter: blur(22px);
}

.nav-btn {
  display: grid;
  place-items: center;
  width: 48px;
  height: 48px;
  color: #1f2937;
  cursor: pointer;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.78);
  box-shadow: inset 0 0 0 1px rgba(0, 0, 0, 0.04);
  transition:
    transform 180ms ease,
    background 180ms ease;
}

.slide-meta {
  display: flex;
  min-width: 0;
  align-items: baseline;
  gap: 10px;
  padding-left: 4px;
}

.slide-meta strong {
  color: #0a1220;
  font-size: 20px;
  letter-spacing: -0.04em;
}

.slide-meta span {
  overflow: hidden;
  color: #667287;
  font-size: 13px;
  font-weight: 600;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.dots {
  display: flex;
  align-items: center;
  gap: 7px;
}

.dot {
  width: 8px;
  height: 8px;
  padding: 0;
  cursor: pointer;
  border-radius: 999px;
  background: rgba(106, 119, 140, 0.32);
  transition:
    width 180ms ease,
    background 180ms ease;
}

.dot.is-active {
  width: 24px;
  background: #0a84ff;
}

@keyframes float-card {
  0%,
  100% {
    transform: translate3d(0, 0, 0);
  }

  50% {
    transform: translate3d(0, -10px, 0);
  }
}

@keyframes fade-slide {
  from {
    opacity: 0;
    transform: translateY(8px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (max-width: 860px) {
  .landing-shell {
    grid-template-columns: 1fr;
    grid-template-rows: auto minmax(0, 1fr);
    gap: 18px;
    padding: 124px 18px 18px;
  }

  .hero-copy {
    align-items: center;
    text-align: center;
  }

  .brand {
    top: 18px;
    left: 18px;
  }

  h1 {
    max-width: 620px;
    font-size: clamp(38px, 8.4vw, 60px);
  }

  .subtitle {
    max-width: 560px;
    margin-top: 12px;
    font-size: clamp(17px, 4vw, 22px);
  }

  .intro {
    max-width: 620px;
    margin-top: 9px;
    font-size: 13px;
    line-height: 1.55;
  }

  .cta-row {
    justify-content: center;
    margin-top: 16px;
  }

  .product-showcase {
    min-height: 0;
  }

  .device-card {
    min-height: 0;
    height: 100%;
    max-height: 48vh;
    border-radius: 32px;
  }

  .preview-stage {
    inset: 52px 18px 118px;
    border-radius: 24px;
  }

  .capture-frame {
    width: min(66%, 380px);
  }

  .slide-panel {
    right: 22px;
    bottom: 22px;
    left: 22px;
    min-height: 72px;
  }

  .slide-panel h2 {
    font-size: 25px;
  }

  .slide-panel span {
    margin-top: 6px;
    font-size: 13px;
    line-height: 1.45;
  }
}

@media (max-width: 560px) {
  .landing-shell {
    padding: 114px 14px 14px;
    gap: 12px;
  }

  .brand {
    top: 14px;
    left: 14px;
  }

  .logo-mark {
    width: 40px;
    height: 40px;
    border-radius: 13px;
  }

  .brand-name {
    font-size: 16px;
  }

  .brand-overline {
    font-size: 11px;
  }

  h1 {
    font-size: clamp(34px, 10vw, 46px);
  }

  .subtitle {
    font-size: 17px;
  }

  .intro {
    display: -webkit-box;
    overflow: hidden;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 2;
  }

  .primary-cta,
  .github-cta {
    min-height: 44px;
    font-size: 14px;
  }

  .primary-cta {
    padding-inline: 18px;
  }

  .github-cta {
    width: 44px;
    height: 44px;
  }

  .platform-note {
    font-size: 11px;
  }

  .device-card {
    max-height: 42vh;
  }

  .window-chrome {
    top: 17px;
    left: 18px;
  }

  .preview-stage {
    inset: 46px 14px 112px;
    background-size: 28px 28px, 28px 28px, auto;
  }

  .capture-frame {
    width: 72%;
    border-radius: 18px;
  }

  .preview-card {
    width: 180px;
    padding: 11px 12px;
    border-radius: 14px;
  }

  .preview-card strong {
    font-size: 11px;
  }

  .card-one {
    left: -22%;
  }

  .card-two {
    right: -22%;
  }

  .slide-panel h2 {
    font-size: 22px;
  }

  .slide-panel span {
    display: -webkit-box;
    overflow: hidden;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 2;
  }

  .carousel-bar {
    grid-template-columns: 42px minmax(0, 1fr) 42px;
    border-radius: 28px;
  }

  .dots {
    display: none;
  }

  .nav-btn {
    width: 42px;
    height: 42px;
  }

  .slide-meta {
    flex-direction: column;
    align-items: flex-start;
    gap: 1px;
  }

  .slide-meta strong {
    font-size: 16px;
  }

  .slide-meta span {
    max-width: 100%;
    font-size: 12px;
  }
}

@media (max-height: 700px) and (min-width: 861px) {
  .landing-shell {
    padding-block: 74px 30px;
  }

  .brand {
    top: 30px;
  }

  h1 {
    font-size: clamp(42px, 5vw, 64px);
  }

  .subtitle {
    margin-top: 14px;
  }

  .intro {
    line-height: 1.55;
  }

  .cta-row {
    margin-top: 24px;
  }

  .device-card {
    min-height: 500px;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}
