:root {
  --bg: #080d18;
  --bg-raised: #0d1524;
  --panel: #111c2f;
  --panel-soft: #16233a;
  --line: rgba(255, 255, 255, 0.09);
  --line-strong: rgba(255, 255, 255, 0.16);
  --text: #f3f6fb;
  --muted: #a6b4c9;
  --accent: #ff5541;
  --accent-bright: #ff7a63;
  --accent-ink: #2a0a05;
  --radius: 18px;
  --wrap: 1120px;
  color-scheme: dark;
}

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  min-width: 320px;
  background:
    radial-gradient(1000px 700px at 82% -8%, rgba(255, 85, 65, 0.16), transparent 62%),
    radial-gradient(800px 600px at 6% 4%, rgba(70, 115, 255, 0.12), transparent 60%),
    var(--bg);
  color: var(--text);
  font-family:
    "Segoe UI Variable Text",
    "Segoe UI",
    system-ui,
    -apple-system,
    "Helvetica Neue",
    Arial,
    sans-serif;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img {
  display: block;
  max-width: 100%;
}

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

p,
h1,
h2,
h3 {
  margin: 0;
}

.wrap {
  width: min(100% - 48px, var(--wrap));
  margin-inline: auto;
}

.skip {
  position: absolute;
  top: -100px;
  left: 16px;
  z-index: 10;
  padding: 10px 16px;
  border-radius: 10px;
  background: var(--accent);
  color: var(--accent-ink);
  font-weight: 700;
}

.skip:focus {
  top: 16px;
}

:focus-visible {
  outline: 2px solid var(--accent-bright);
  outline-offset: 3px;
}

/* Header */

.site-header {
  position: sticky;
  top: 0;
  z-index: 5;
  border-bottom: 1px solid var(--line);
  background: rgba(8, 13, 24, 0.72);
  backdrop-filter: blur(14px);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  height: 68px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.brand img {
  width: 32px;
  height: 32px;
}

.site-header nav {
  display: flex;
  gap: 28px;
  font-size: 0.93rem;
  color: var(--muted);
}

.site-header nav a {
  padding: 6px 0;
}

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

/* Hero */

.hero {
  position: relative;
  overflow: hidden;
  padding: clamp(56px, 9vw, 104px) 0 clamp(64px, 9vw, 112px);
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(0, 0.92fr);
  align-items: center;
  gap: clamp(32px, 6vw, 80px);
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  margin-bottom: 22px;
  padding: 7px 13px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.03);
  color: var(--muted);
  font-size: 0.8rem;
  letter-spacing: 0.02em;
}

.dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 12px rgba(255, 85, 65, 0.9);
}

h1 {
  max-width: 13ch;
  font-size: clamp(2.55rem, 5.5vw, 4.35rem);
  font-weight: 800;
  line-height: 1.02;
  letter-spacing: -0.045em;
}

h1 .accent {
  color: var(--accent);
}

.lede {
  max-width: 46ch;
  margin-top: 24px;
  color: var(--muted);
  font-size: clamp(1.02rem, 1.5vw, 1.15rem);
}

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

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  min-height: 48px;
  padding: 0 20px;
  border: 1px solid transparent;
  border-radius: 11px;
  font-size: 0.96rem;
  font-weight: 650;
  transition:
    transform 160ms ease,
    background-color 160ms ease,
    border-color 160ms ease,
    box-shadow 160ms ease;
}

.button:active {
  transform: translateY(1px);
}

.button.primary {
  background: var(--accent);
  color: var(--accent-ink);
  box-shadow: 0 12px 30px -12px rgba(255, 85, 65, 0.8);
}

.button.primary:hover {
  background: var(--accent-bright);
  box-shadow: 0 16px 36px -12px rgba(255, 85, 65, 0.9);
}

.button.ghost {
  border-color: var(--line-strong);
  background: rgba(255, 255, 255, 0.03);
  color: var(--text);
}

.button.ghost:hover {
  border-color: rgba(255, 255, 255, 0.3);
  background: rgba(255, 255, 255, 0.06);
}

.fineprint {
  margin-top: 18px;
  color: var(--muted);
  font-size: 0.86rem;
}

.hero-visual {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 30px;
  min-height: 380px;
}

.halo {
  position: absolute;
  width: min(62%, 300px);
  aspect-ratio: 1;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255, 85, 65, 0.55), rgba(255, 85, 65, 0) 68%);
  filter: blur(48px);
  opacity: 0.7;
  animation: breathe 11s ease-in-out infinite;
}

.app-icon {
  position: relative;
  width: min(78%, 320px);
  height: auto;
  filter: drop-shadow(0 32px 60px rgba(0, 0, 0, 0.55));
}

.chips {
  position: relative;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.chips li {
  padding: 6px 12px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(13, 21, 36, 0.7);
  color: var(--muted);
  font-size: 0.78rem;
  backdrop-filter: blur(8px);
}

@keyframes breathe {
  0%,
  100% {
    transform: scale(0.96);
    opacity: 0.55;
  }
  50% {
    transform: scale(1.06);
    opacity: 0.8;
  }
}

/* Sections */

.section {
  padding: clamp(56px, 8vw, 96px) 0;
}

.section-head {
  max-width: 640px;
  margin-bottom: 42px;
}

.kicker {
  margin-bottom: 12px;
  color: var(--accent);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

h2 {
  font-size: clamp(1.8rem, 3.4vw, 2.7rem);
  line-height: 1.1;
  letter-spacing: -0.035em;
}

.section-head > p:last-child {
  margin-top: 16px;
  color: var(--muted);
  font-size: 1.02rem;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.feature {
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(160deg, rgba(255, 255, 255, 0.045), rgba(255, 255, 255, 0.012));
  transition:
    border-color 200ms ease,
    transform 200ms ease,
    background-color 200ms ease;
}

.feature:hover {
  transform: translateY(-3px);
  border-color: rgba(255, 255, 255, 0.18);
}

.feature-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  margin-bottom: 18px;
  border: 1px solid rgba(255, 85, 65, 0.28);
  border-radius: 12px;
  background: rgba(255, 85, 65, 0.1);
  color: var(--accent-bright);
}

.feature-icon svg {
  width: 21px;
  height: 21px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.7;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.feature h3 {
  margin-bottom: 8px;
  font-size: 1.03rem;
  letter-spacing: -0.01em;
}

.feature p {
  color: var(--muted);
  font-size: 0.92rem;
}

.feature code,
.steps code {
  padding: 1px 5px;
  border-radius: 5px;
  background: rgba(255, 255, 255, 0.07);
  color: var(--text);
  font-family: "Cascadia Code", "Consolas", monospace;
  font-size: 0.86em;
}

/* Download */

.download {
  padding-top: 16px;
}

.download-card {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 0.92fr);
  gap: clamp(32px, 5vw, 64px);
  padding: clamp(28px, 4.5vw, 52px);
  border: 1px solid rgba(255, 85, 65, 0.24);
  border-radius: 24px;
  background:
    radial-gradient(600px 300px at 100% 0%, rgba(255, 85, 65, 0.14), transparent 65%),
    linear-gradient(155deg, #131f33, #0d1626);
  box-shadow: 0 40px 80px -50px rgba(0, 0, 0, 0.9);
}

.download-copy > p {
  margin-top: 16px;
  color: var(--muted);
}

.download-copy .fineprint {
  max-width: 46ch;
}

.steps {
  display: flex;
  flex-direction: column;
  gap: 22px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.steps li {
  display: grid;
  grid-template-columns: 30px minmax(0, 1fr);
  gap: 14px;
  align-items: start;
}

.step-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 30px;
  height: 30px;
  border: 1px solid rgba(255, 85, 65, 0.35);
  border-radius: 50%;
  background: rgba(255, 85, 65, 0.12);
  color: var(--accent-bright);
  font-size: 0.82rem;
  font-weight: 700;
}

.steps h3 {
  margin-bottom: 3px;
  font-size: 0.96rem;
}

.steps p {
  color: var(--muted);
  font-size: 0.88rem;
}

.steps pre {
  margin: 9px 0 0;
  padding: 10px 12px;
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(3, 7, 14, 0.6);
}

.steps pre code {
  padding: 0;
  background: none;
  font-size: 0.8rem;
}

/* Footer */

.site-footer {
  border-top: 1px solid var(--line);
  background: rgba(6, 10, 18, 0.6);
}

.footer-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 18px 32px;
  padding: 30px 0;
  color: var(--muted);
  font-size: 0.85rem;
}

.footer-brand {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  color: var(--text);
  font-weight: 700;
}

.footer-note {
  flex: 1 1 280px;
}

.site-footer nav {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
}

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

/* Not found */

.not-found {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
  min-height: 100vh;
  padding: 56px 24px;
  text-align: center;
}

.not-found img {
  margin-bottom: 10px;
}

.not-found h1 {
  max-width: 18ch;
  font-size: clamp(1.9rem, 5vw, 3rem);
}

.not-found p {
  color: var(--muted);
}

.not-found .button {
  margin-top: 14px;
}

/* Responsive */

@media (max-width: 920px) {
  .hero-grid,
  .download-card {
    grid-template-columns: minmax(0, 1fr);
  }

  .hero {
    padding-top: 48px;
  }

  .hero-visual {
    order: -1;
    min-height: 300px;
  }

  .app-icon {
    width: min(58%, 260px);
  }

  .feature-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 640px) {
  .wrap {
    width: min(100% - 32px, var(--wrap));
  }

  .header-inner {
    height: 60px;
  }

  .site-header nav {
    gap: 16px;
    font-size: 0.85rem;
  }

  .feature-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .actions .button {
    width: 100%;
  }

  .hero-visual {
    order: 0;
    min-height: 250px;
  }

  .site-header .source-link {
    display: none;
  }

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

@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;
  }
}