:root {
  color-scheme: dark;
  --bg-app: #020617;
  --bg-surface: #0f172a;
  --bg-raised: #172033;
  --bg-muted: #1e293b;
  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  --teal: #5eead4;
  --teal-strong: #14b8a6;
  --teal-deep: #0f766e;
  --amber: #fcd34d;
  --green: #4ade80;
  --border: #334155;
  --chrome-border: rgba(255, 255, 255, 0.12);
  --header-height: 64px;
  --feature-strip-height: 108px;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  height: 100%;
  scroll-behavior: smooth;
}

body {
  min-width: 320px;
  min-height: 100%;
  height: 100vh;
  margin: 0;
  color: var(--text-primary);
  background:
    radial-gradient(circle at 14% 18%, rgba(94, 234, 212, 0.08), transparent 20rem),
    radial-gradient(circle at 76% 18%, rgba(252, 211, 77, 0.05), transparent 18rem),
    linear-gradient(180deg, #070b0f 0%, var(--bg-app) 48%, #071016 100%);
  overflow: hidden;
}

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

main {
  display: grid;
  grid-template-rows: minmax(0, 1fr) var(--feature-strip-height);
  height: calc(100vh - var(--header-height));
  min-height: 0;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: grid;
  grid-template-columns: auto 1fr;
  align-items: center;
  height: var(--header-height);
  min-height: 0;
  padding: 0 clamp(20px, 4vw, 44px);
  border-bottom: 1px solid var(--chrome-border);
  background: rgba(2, 6, 23, 0.78);
  backdrop-filter: blur(20px);
}

.brand,
.header-actions {
  display: flex;
  align-items: center;
}

.brand {
  gap: 12px;
  font-size: 26px;
  font-weight: 800;
  letter-spacing: 0;
}

.brand-icon {
  display: block;
  width: 40px;
  height: 40px;
  flex: 0 0 auto;
  border-radius: 10px;
  object-fit: cover;
  box-shadow:
    0 0 0 1px rgba(255, 255, 255, 0.1),
    0 14px 30px rgba(20, 184, 166, 0.1);
}

.text-link {
  color: rgba(248, 250, 252, 0.88);
}

.text-link:hover {
  color: var(--teal);
}

.header-actions {
  justify-content: flex-end;
  gap: 18px;
  font-size: 15px;
}

.status-pill,
.outline-button,
.primary-button,
.secondary-button,
.admin-link {
  min-height: 44px;
  border-radius: 12px;
}

.status-pill {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 0 16px;
  color: rgba(248, 250, 252, 0.88);
  border: 1px solid var(--chrome-border);
  background: rgba(15, 23, 42, 0.58);
}

.status-pill span {
  width: 9px;
  height: 9px;
  border-radius: 999px;
  background: var(--green);
  box-shadow: 0 0 0 5px rgba(74, 222, 128, 0.12);
}

.outline-button,
.primary-button,
.secondary-button,
.admin-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
}

.outline-button {
  padding: 0 22px;
  border: 1px solid rgba(255, 255, 255, 0.56);
  background: rgba(15, 23, 42, 0.32);
}

.hero {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 100%;
  min-height: 0;
  padding: 0 clamp(24px, 5vw, 64px);
  overflow: hidden;
}

h2,
p {
  letter-spacing: 0;
}

.primary-button,
.secondary-button {
  width: 100%;
  min-width: 0;
  padding: 0 18px;
  font-size: 16px;
  transition:
    background 0.2s ease,
    border-color 0.2s ease,
    box-shadow 0.2s ease,
    color 0.2s ease;
}

.primary-button {
  color: var(--bg-app);
  border: 1px solid rgba(255, 255, 255, 0.2);
  background: linear-gradient(180deg, var(--teal), var(--teal-strong));
  box-shadow: 0 16px 46px rgba(20, 184, 166, 0.24);
}

.primary-button:hover {
  border-color: rgba(255, 255, 255, 0.36);
  background: linear-gradient(180deg, #7df0e0, #2dd4bf);
  box-shadow: 0 20px 52px rgba(20, 184, 166, 0.38);
}

.secondary-button {
  color: var(--text-primary);
  border: 1px solid rgba(255, 255, 255, 0.42);
  background: rgba(23, 32, 51, 0.46);
}

.secondary-button:hover {
  color: var(--teal);
  border-color: rgba(94, 234, 212, 0.62);
  background: rgba(20, 184, 166, 0.14);
  box-shadow: 0 12px 32px rgba(20, 184, 166, 0.16);
}

.admin-link {
  width: fit-content;
  min-height: 42px;
  margin-top: 14px;
  padding: 0 26px;
  color: var(--text-primary);
  border: 1px solid rgba(255, 255, 255, 0.5);
  background: rgba(15, 23, 42, 0.52);
}

.hero-media {
  display: flex;
  align-items: flex-end;
  justify-content: center;
  gap: var(--device-preview-gap);
  --device-preview-width: clamp(230px, 13.5vw, 280px);
  --device-preview-gap: clamp(24px, 2.6vw, 42px);
  --desktop-chrome-height: 34px;
  --desktop-preview-height: calc(
    var(--desktop-chrome-height) + var(--device-preview-width) * 802 / 435
  );
  --device-preview-height: calc(
    20px + (var(--device-preview-width) - 20px) * 2220 / 1080
  );
}

.device-column {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
  width: var(--device-preview-width);
}

.windows-frame,
.desktop-frame,
.phone-frame {
  position: relative;
  width: var(--device-preview-width);
  border: 1px solid rgba(255, 255, 255, 0.22);
  background: rgba(15, 23, 42, 0.62);
  box-shadow: 0 32px 90px rgba(0, 0, 0, 0.48);
  overflow: hidden;
}

.windows-frame,
.desktop-frame {
  height: var(--desktop-preview-height);
}

.phone-frame {
  height: var(--device-preview-height);
}

.windows-frame {
  border-radius: 18px;
  padding-top: 34px;
}

.desktop-frame {
  border-radius: 18px;
  padding-top: 34px;
}

.windows-bar {
  position: absolute;
  top: 0;
  right: 0;
  left: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 34px;
  padding: 0 10px 0 13px;
  color: rgba(248, 250, 252, 0.82);
  background: rgba(2, 6, 23, 0.92);
  font-size: 12px;
  font-weight: 700;
}

.windows-controls {
  display: flex;
  align-items: center;
  gap: 11px;
}

.windows-controls span {
  position: relative;
  display: block;
  width: 10px;
  height: 10px;
}

.windows-controls span::before,
.windows-controls span::after {
  position: absolute;
  content: "";
  background: rgba(248, 250, 252, 0.72);
}

.windows-controls span:nth-child(1)::before {
  top: 5px;
  left: 1px;
  width: 8px;
  height: 1px;
}

.windows-controls span:nth-child(2)::before {
  inset: 1px;
  border: 1px solid rgba(248, 250, 252, 0.72);
  background: transparent;
}

.windows-controls span:nth-child(3)::before,
.windows-controls span:nth-child(3)::after {
  top: 1px;
  left: 5px;
  width: 1px;
  height: 10px;
}

.windows-controls span:nth-child(3)::before {
  transform: rotate(45deg);
}

.windows-controls span:nth-child(3)::after {
  transform: rotate(-45deg);
}

.window-dots {
  position: absolute;
  top: 14px;
  left: 18px;
  display: flex;
  gap: 8px;
}

.window-dots span {
  width: 11px;
  height: 11px;
  border-radius: 999px;
}

.window-dots span:nth-child(1) {
  background: #f87171;
}

.window-dots span:nth-child(2) {
  background: var(--amber);
}

.window-dots span:nth-child(3) {
  background: var(--green);
}

.windows-frame img,
.desktop-frame img,
.phone-frame img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top center;
}

.phone-frame {
  border-radius: 38px;
  padding: 10px;
}

.phone-frame img {
  border-radius: 28px;
}

.feature-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  align-items: center;
  height: var(--feature-strip-height);
  padding: 18px clamp(20px, 5vw, 56px);
  border-top: 1px solid var(--chrome-border);
  background: rgba(2, 6, 23, 0.72);
  overflow: hidden;
}

.feature-strip article {
  display: grid;
  grid-template-columns: 50px 1fr;
  column-gap: 16px;
  padding: 0 24px;
  border-right: 1px solid var(--chrome-border);
}

.feature-strip article:last-child {
  border-right: 0;
}

.feature-icon {
  grid-row: span 2;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
}

.feature-icon img {
  display: block;
  width: 42px;
  height: 42px;
  object-fit: contain;
  filter: drop-shadow(0 0 14px rgba(94, 234, 212, 0.16));
}

.feature-strip h2 {
  margin: 0;
  font-size: 18px;
  line-height: 1.2;
}

.feature-strip p {
  margin: 7px 0 0;
  color: rgba(248, 250, 252, 0.7);
  font-size: 14px;
  line-height: 1.35;
}

@media (max-width: 1180px) {
  body {
    height: auto;
    overflow: auto;
  }

  main {
    display: block;
    height: auto;
  }

  .site-header {
    grid-template-columns: auto auto;
    gap: 16px;
    height: auto;
    min-height: var(--header-height);
    padding: 12px clamp(20px, 4vw, 44px);
  }

  .header-actions {
    justify-content: flex-end;
  }

  .hero {
    height: auto;
    min-height: auto;
    padding: clamp(28px, 4vw, 62px) clamp(20px, 5vw, 56px) 30px;
  }

  .hero-media {
    flex-wrap: wrap;
    --device-preview-width: min(230px, 29vw);
    --device-preview-gap: clamp(12px, 3vw, 28px);
  }

  .feature-strip {
    grid-template-columns: repeat(2, 1fr);
    row-gap: 24px;
    height: auto;
    padding: 28px clamp(20px, 5vw, 56px) 34px;
    overflow: visible;
  }

  .feature-strip article:nth-child(2) {
    border-right: 0;
  }
}

@media (max-width: 760px) {
  .site-header {
    position: static;
    grid-template-columns: 1fr;
    padding: 18px 20px;
  }

  .brand {
    font-size: 23px;
  }

  .brand-icon {
    width: 36px;
    height: 36px;
    border-radius: 9px;
  }

  .header-actions {
    justify-content: flex-start;
    flex-wrap: wrap;
  }

  .status-pill {
    display: none;
  }

  .hero {
    padding: 36px 20px 0;
  }

  .primary-button,
  .secondary-button,
  .admin-link {
    width: 100%;
  }

  .admin-link {
    display: none;
  }

  .hero-media {
    --device-preview-width: min(112px, 30vw);
    --device-preview-gap: 8px;
    --desktop-chrome-height: 20px;
    margin-top: 10px;
  }

  .device-column {
    gap: 12px;
  }

  .windows-frame {
    padding-top: 20px;
    border-radius: 14px;
  }

  .desktop-frame {
    padding-top: 20px;
    border-radius: 14px;
  }

  .windows-bar {
    height: 20px;
    padding: 0 6px;
    font-size: 9px;
  }

  .windows-controls {
    gap: 6px;
  }

  .windows-controls span {
    width: 7px;
    height: 7px;
  }

  .windows-controls span:nth-child(1)::before {
    top: 4px;
    width: 6px;
  }

  .windows-controls span:nth-child(3)::before,
  .windows-controls span:nth-child(3)::after {
    left: 3px;
    height: 7px;
  }

  .window-dots {
    top: 8px;
    left: 12px;
    gap: 6px;
  }

  .window-dots span {
    width: 8px;
    height: 8px;
  }

  .phone-frame {
    border-radius: 22px;
    padding: 4px;
  }

  .phone-frame img {
    border-radius: 18px;
  }

  .feature-strip {
    grid-template-columns: 1fr;
    padding: 22px 20px 30px;
  }

  .feature-strip article,
  .feature-strip article:nth-child(2) {
    padding: 20px 0;
    border-right: 0;
    border-bottom: 1px solid var(--chrome-border);
  }

  .feature-strip article:last-child {
    border-bottom: 0;
  }
}