:root {
  color-scheme: light;
  --background: #f4f0e8;
  --surface: rgba(255, 255, 255, 0.68);
  --surface-strong: #ffffff;
  --text: #17201d;
  --muted: #5f6965;
  --line: rgba(23, 32, 29, 0.14);
  --accent: #ff5c35;
  --accent-contrast: #ffffff;
  --shadow: 0 24px 80px rgba(50, 43, 32, 0.12);
}

:root[data-theme="dark"] {
  color-scheme: dark;
  --background: #111614;
  --surface: rgba(26, 34, 31, 0.76);
  --surface-strong: #1b2421;
  --text: #f4f0e8;
  --muted: #adb8b3;
  --line: rgba(244, 240, 232, 0.14);
  --accent: #ff7654;
  --accent-contrast: #111614;
  --shadow: 0 24px 80px rgba(0, 0, 0, 0.34);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  min-width: 320px;
  min-height: 100vh;
  margin: 0;
  background:
    radial-gradient(circle at 85% 8%, rgba(255, 92, 53, 0.17), transparent 27rem),
    var(--background);
  color: var(--text);
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  transition: background-color 180ms ease, color 180ms ease;
}

button,
a {
  -webkit-tap-highlight-color: transparent;
}

button {
  font: inherit;
}

.page-shell {
  width: min(1120px, calc(100% - 40px));
  margin: 0 auto;
}

.site-header,
.site-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.site-header {
  min-height: 88px;
  border-bottom: 1px solid var(--line);
}

.brand {
  display: inline-flex;
  gap: 10px;
  align-items: center;
  color: inherit;
  font-size: 0.84rem;
  font-weight: 800;
  letter-spacing: 0.16em;
  text-decoration: none;
}

.brand-mark {
  width: 13px;
  height: 13px;
  border-radius: 50% 50% 50% 0;
  background: var(--accent);
  transform: rotate(-45deg);
}

.theme-button,
.primary-button {
  border: 0;
  border-radius: 999px;
  cursor: pointer;
  transition: transform 150ms ease, background-color 150ms ease;
}

.theme-button {
  display: inline-flex;
  gap: 8px;
  align-items: center;
  padding: 10px 14px;
  border: 1px solid var(--line);
  background: var(--surface);
  color: var(--text);
}

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

.theme-button:focus-visible,
.primary-button:focus-visible,
.brand:focus-visible {
  outline: 3px solid color-mix(in srgb, var(--accent) 55%, transparent);
  outline-offset: 3px;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(310px, 0.9fr);
  gap: clamp(48px, 8vw, 100px);
  align-items: center;
  min-height: 610px;
  padding: 70px 0;
}

.eyebrow,
.feature-number {
  color: var(--accent);
  font-size: 0.76rem;
  font-weight: 800;
  letter-spacing: 0.18em;
}

h1 {
  margin: 18px 0 24px;
  font-size: clamp(3.4rem, 8vw, 7.3rem);
  line-height: 0.92;
  letter-spacing: -0.075em;
}

.lead {
  max-width: 620px;
  margin: 0;
  color: var(--muted);
  font-size: clamp(1rem, 1.8vw, 1.18rem);
  line-height: 1.9;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  align-items: center;
  margin-top: 34px;
}

.primary-button {
  padding: 14px 20px;
  background: var(--accent);
  color: var(--accent-contrast);
  font-weight: 750;
  box-shadow: 0 12px 32px rgba(255, 92, 53, 0.22);
}

.status {
  color: var(--muted);
  font-size: 0.9rem;
}

.visual-card {
  position: relative;
  overflow: hidden;
  min-height: 390px;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: 28px;
  background: var(--surface);
  box-shadow: var(--shadow);
  backdrop-filter: blur(16px);
}

.visual-card::after {
  position: absolute;
  right: -70px;
  bottom: -80px;
  width: 230px;
  height: 230px;
  border-radius: 50%;
  background: var(--accent);
  content: "";
  opacity: 0.9;
}

.window-bar {
  display: flex;
  gap: 7px;
}

.window-bar span {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--line);
}

.code-lines {
  display: grid;
  gap: 16px;
  margin-top: 52px;
}

.line {
  display: block;
  height: 9px;
  border-radius: 999px;
  background: color-mix(in srgb, var(--text) 16%, transparent);
}

.line-short {
  width: 32%;
}

.line-medium {
  width: 58%;
}

.line-long {
  width: 82%;
}

.line.accent {
  background: color-mix(in srgb, var(--accent) 72%, transparent);
}

.file-list {
  position: absolute;
  z-index: 1;
  right: 24px;
  bottom: 24px;
  display: grid;
  gap: 5px;
  width: min(250px, 72%);
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: var(--surface-strong);
  font-family: ui-monospace, SFMono-Regular, Consolas, monospace;
  font-size: 0.85rem;
  box-shadow: 0 16px 38px rgba(0, 0, 0, 0.15);
}

.file-list span::before {
  margin-right: 9px;
  color: var(--accent);
  content: "•";
}

.features {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.feature-card {
  min-height: 230px;
  padding: 32px;
}

.feature-card + .feature-card {
  border-left: 1px solid var(--line);
}

.feature-card h2 {
  margin: 28px 0 12px;
  font-size: 1.35rem;
}

.feature-card p:last-child {
  margin: 0;
  color: var(--muted);
  line-height: 1.75;
}

.site-footer {
  min-height: 100px;
  color: var(--muted);
  font-size: 0.86rem;
}

@media (max-width: 760px) {
  .page-shell {
    width: min(100% - 28px, 620px);
  }

  .site-header {
    min-height: 76px;
  }

  .hero {
    grid-template-columns: 1fr;
    min-height: auto;
    padding: 70px 0 56px;
  }

  h1 {
    font-size: clamp(3.1rem, 17vw, 5.4rem);
  }

  .visual-card {
    min-height: 330px;
  }

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

  .feature-card {
    min-height: 0;
    padding: 28px 6px;
  }

  .feature-card + .feature-card {
    border-top: 1px solid var(--line);
    border-left: 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition: none !important;
  }
}