:root {
  color-scheme: light;
  --ink: #102033;
  --muted: #5d6b7c;
  --line: #d8e1ea;
  --panel: #ffffff;
  --soft: #eef5f8;
  --blue: #1769d2;
  --blue-dark: #0f4c9e;
  --green: #28a070;
  --gold: #d69b2d;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--ink);
  background:
    linear-gradient(180deg, rgba(238, 245, 248, 0.92), rgba(255, 255, 255, 0.98) 52%),
    linear-gradient(120deg, rgba(23, 105, 210, 0.14), rgba(40, 160, 112, 0.1));
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  width: min(1120px, calc(100% - 40px));
  margin: 0 auto;
  padding: 22px 0 8px;
  backdrop-filter: blur(16px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 18px;
  font-weight: 800;
}

.brand img {
  width: 34px;
  height: 34px;
  border-radius: 8px;
  box-shadow: 0 8px 20px rgba(23, 105, 210, 0.12);
}

nav {
  display: flex;
  align-items: center;
  gap: 22px;
  color: var(--muted);
  font-size: 14px;
  font-weight: 650;
}

nav a:hover,
footer a:hover {
  color: var(--blue);
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 0.88fr) minmax(460px, 1fr);
  align-items: center;
  gap: 72px;
  width: min(1120px, calc(100% - 40px));
  min-height: calc(100vh - 70px);
  margin: 0 auto;
  padding: 46px 0 78px;
}

.eyebrow {
  margin: 0 0 16px;
  color: var(--blue);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

h1 {
  margin: 0;
  max-width: 680px;
  font-size: clamp(54px, 5.8vw, 82px);
  line-height: 0.96;
  letter-spacing: 0;
}

.lead {
  max-width: 560px;
  margin: 26px 0 0;
  color: var(--muted);
  font-size: 19px;
  line-height: 1.58;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 34px;
}

.primary-button,
.secondary-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  border-radius: 8px;
  padding: 0 20px;
  font-size: 15px;
  font-weight: 800;
}

.primary-button {
  color: #fff;
  background: var(--blue);
  box-shadow: 0 16px 34px rgba(23, 105, 210, 0.22);
}

.primary-button:hover {
  background: var(--blue-dark);
}

.secondary-button {
  color: var(--ink);
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid var(--line);
}

.secondary-button:hover {
  border-color: #aebdca;
}

.download-note {
  margin: 16px 0 0;
  color: var(--muted);
  font-size: 14px;
}

.product-shot {
  min-height: 520px;
  display: flex;
  align-items: center;
  justify-content: flex-end;
}

.app-window {
  width: min(100%, 640px);
  overflow: hidden;
  border: 1px solid rgba(129, 148, 169, 0.42);
  border-radius: 18px;
  background: var(--panel);
  box-shadow: 0 30px 80px rgba(19, 37, 58, 0.18);
}

.window-bar {
  display: flex;
  gap: 8px;
  height: 42px;
  align-items: center;
  padding: 0 16px;
  border-bottom: 1px solid var(--line);
  background: #f7fafc;
}

.window-bar span {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: #c9d4df;
}

.window-body {
  display: grid;
  grid-template-columns: 160px 1fr;
  gap: 24px;
  padding: 24px;
  min-height: 390px;
}

.window-body aside {
  border-right: 1px solid var(--line);
  padding-right: 20px;
}

.mini-title {
  width: 86px;
  height: 12px;
  margin-bottom: 18px;
  border-radius: 999px;
  background: #cbd8e5;
}

.photo-thumb {
  height: 68px;
  margin-bottom: 14px;
  border-radius: 8px;
  background:
    linear-gradient(135deg, rgba(214, 155, 45, 0.74), rgba(40, 160, 112, 0.58)),
    linear-gradient(45deg, #eef5f8, #d7e4ee);
}

.photo-thumb.large {
  height: 96px;
}

.sheet {
  align-self: center;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 10px;
  width: min(100%, 330px);
  aspect-ratio: 0.72;
  margin: 0 auto;
  padding: 20px;
  border-radius: 4px;
  background: #fdfefe;
  border: 1px solid #d9e2ea;
  box-shadow: 0 18px 42px rgba(15, 32, 52, 0.12);
}

.sheet div {
  border: 1px solid #b8c7d5;
  border-radius: 2px;
  background:
    linear-gradient(145deg, rgba(255, 255, 255, 0.42), transparent),
    linear-gradient(135deg, rgba(23, 105, 210, 0.18), rgba(40, 160, 112, 0.22));
}

.features {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  width: min(1120px, calc(100% - 40px));
  margin: 0 auto;
  padding: 0 0 90px;
}

.features article {
  min-height: 220px;
  padding: 26px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.76);
  box-shadow: 0 18px 45px rgba(18, 43, 64, 0.06);
}

.features span {
  color: var(--green);
  font-size: 13px;
  font-weight: 900;
}

.features h2 {
  margin: 42px 0 12px;
  font-size: 22px;
  line-height: 1.2;
  letter-spacing: 0;
}

.features p {
  margin: 0;
  color: var(--muted);
  line-height: 1.65;
}

footer {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  width: min(1120px, calc(100% - 40px));
  margin: 0 auto;
  padding: 28px 0 36px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 14px;
}

@media (max-width: 880px) {
  .site-header {
    align-items: flex-start;
  }

  nav {
    gap: 14px;
    flex-wrap: wrap;
    justify-content: flex-end;
  }

  .hero {
    grid-template-columns: 1fr;
    gap: 30px;
    padding-top: 44px;
  }

  .product-shot {
    min-height: 430px;
  }

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

@media (max-width: 560px) {
  .site-header,
  .hero,
  .features,
  footer {
    width: min(100% - 28px, 1120px);
  }

  .site-header,
  footer {
    flex-direction: column;
  }

  nav {
    justify-content: flex-start;
  }

  .lead {
    font-size: 18px;
  }

  .hero-actions {
    flex-direction: column;
  }

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

  .window-body {
    grid-template-columns: 1fr;
    padding: 18px;
  }

  .window-body aside {
    display: none;
  }

  .product-shot {
    min-height: auto;
  }
}
