:root {
  color-scheme: dark;
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont,
    "Segoe UI", "Microsoft YaHei", sans-serif;
  background: #08090c;
  color: #f4f7fb;
  font-synthesis: none;
  line-height: 1.5;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  --bg: #08090c;
  --panel: rgba(18, 21, 27, 0.78);
  --panel-strong: rgba(22, 26, 34, 0.92);
  --line: rgba(179, 198, 220, 0.16);
  --line-bright: rgba(132, 217, 255, 0.68);
  --text: #f4f7fb;
  --muted: #9ea9b8;
  --soft: #c8d1de;
  --accent: #70d7ff;
  --accent-strong: #b7ecff;
  --max-width: 1180px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  min-width: 320px;
  min-height: 100vh;
  margin: 0;
  background:
    radial-gradient(circle at 20% 0%, rgba(45, 135, 164, 0.2), transparent 34rem),
    radial-gradient(circle at 86% 18%, rgba(89, 118, 143, 0.16), transparent 28rem),
    var(--bg);
}

a {
  color: inherit;
}

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

.site-shell {
  position: relative;
  overflow: hidden;
}

.site-shell::before {
  position: fixed;
  inset: 0;
  z-index: -2;
  content: "";
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.035) 1px, transparent 1px);
  background-size: 44px 44px;
  mask-image: linear-gradient(to bottom, black 0%, transparent 78%);
}

.site-shell::after {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  content: "";
  background: linear-gradient(to bottom, rgba(8, 9, 12, 0.14), #08090c 88%);
}

.hero,
.entries {
  width: min(var(--max-width), calc(100% - 40px));
  margin-inline: auto;
}

.hero {
  display: grid;
  min-height: 92vh;
  padding: 72px 0 56px;
  align-items: center;
}

.hero__inner {
  display: grid;
  grid-template-columns: minmax(0, 1.04fr) minmax(320px, 0.72fr);
  gap: 56px;
  align-items: center;
}

.hero__content {
  max-width: 760px;
}

.eyebrow {
  margin: 0 0 18px;
  color: var(--accent);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0;
  text-transform: uppercase;
}

.hero h1 {
  max-width: 760px;
  margin: 0;
  color: var(--text);
  font-size: clamp(2.55rem, 8vw, 5.9rem);
  line-height: 1.02;
  letter-spacing: 0;
}

.hero__lead {
  max-width: 620px;
  margin: 26px 0 0;
  color: var(--soft);
  font-size: clamp(1rem, 2vw, 1.2rem);
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 36px;
}

.button {
  display: inline-flex;
  min-height: 46px;
  padding: 0 20px;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--line);
  border-radius: 8px;
  font-size: 0.95rem;
  font-weight: 700;
  text-decoration: none;
  transition:
    border-color 180ms ease,
    background 180ms ease,
    color 180ms ease,
    transform 180ms ease;
}

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

.button:focus-visible,
.entry-card:focus-visible {
  outline: 2px solid var(--accent-strong);
  outline-offset: 4px;
}

.button--primary {
  border-color: rgba(112, 215, 255, 0.7);
  background: rgba(112, 215, 255, 0.14);
  color: var(--text);
  box-shadow: 0 0 28px rgba(112, 215, 255, 0.08);
}

.button--ghost {
  background: rgba(255, 255, 255, 0.035);
  color: var(--soft);
}

.hero__visual {
  position: relative;
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel-strong);
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.38);
}

.hero__visual::after {
  position: absolute;
  inset: 0;
  content: "";
  background:
    linear-gradient(to top, rgba(8, 9, 12, 0.72), transparent 48%),
    linear-gradient(135deg, rgba(112, 215, 255, 0.18), transparent 55%);
}

.hero__visual img {
  width: 100%;
  aspect-ratio: 4 / 5;
  object-fit: cover;
  filter: saturate(0.78) contrast(1.08) brightness(0.68);
}

.hero__visual figcaption {
  position: absolute;
  right: 18px;
  bottom: 16px;
  z-index: 1;
  color: rgba(244, 247, 251, 0.78);
  font-size: 0.82rem;
}

.entries {
  padding: 64px 0 96px;
}

.section-heading {
  max-width: 720px;
  margin-bottom: 30px;
}

.section-heading h2 {
  margin: 0;
  color: var(--text);
  font-size: clamp(2rem, 4vw, 3.2rem);
  line-height: 1.1;
  letter-spacing: 0;
}

.section-heading p:last-child {
  margin: 16px 0 0;
  color: var(--muted);
}

.entry-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 16px;
}

.entry-card {
  position: relative;
  display: flex;
  overflow: hidden;
  aspect-ratio: 1 / 1;
  padding: 18px;
  flex-direction: column;
  justify-content: space-between;
  border: 1px solid var(--line);
  border-radius: 8px;
  background:
    linear-gradient(145deg, rgba(255, 255, 255, 0.06), transparent 55%),
    var(--panel);
  text-decoration: none;
  transition:
    transform 180ms ease,
    border-color 180ms ease,
    background 180ms ease,
    box-shadow 180ms ease;
}

.entry-card::before {
  position: absolute;
  inset: 0;
  pointer-events: none;
  content: "";
  opacity: 0;
  background: radial-gradient(circle at 30% 18%, rgba(112, 215, 255, 0.16), transparent 42%);
  transition: opacity 180ms ease;
}

.entry-card:hover {
  transform: translateY(-4px);
  border-color: var(--line-bright);
  background:
    linear-gradient(145deg, rgba(112, 215, 255, 0.1), transparent 58%),
    rgba(21, 25, 33, 0.88);
  box-shadow: 0 18px 42px rgba(0, 0, 0, 0.32), 0 0 28px rgba(112, 215, 255, 0.1);
}

.entry-card:hover::before {
  opacity: 1;
}

.entry-card__number {
  position: relative;
  color: rgba(112, 215, 255, 0.88);
  font-size: 0.8rem;
  font-weight: 800;
}

.entry-card__body {
  position: relative;
  display: grid;
  gap: 10px;
}

.entry-card__title {
  color: var(--text);
  font-size: clamp(1.08rem, 1.5vw, 1.32rem);
  font-weight: 800;
  line-height: 1.22;
}

.entry-card__desc {
  color: var(--muted);
  font-size: 0.9rem;
  line-height: 1.55;
}

@media (max-width: 980px) {
  .hero__inner {
    grid-template-columns: 1fr;
    gap: 34px;
  }

  .hero {
    min-height: auto;
    padding-top: 68px;
  }

  .hero__visual {
    max-width: 520px;
  }

  .hero__visual img {
    aspect-ratio: 16 / 9;
  }

  .entry-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (max-width: 640px) {
  .hero,
  .entries {
    width: min(100% - 28px, var(--max-width));
  }

  .hero {
    padding: 48px 0 42px;
  }

  .hero__actions {
    gap: 10px;
  }

  .button {
    width: 100%;
  }

  .entries {
    padding: 44px 0 72px;
  }

  .entry-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
  }

  .entry-card {
    padding: 14px;
  }

  .entry-card__desc {
    font-size: 0.82rem;
  }
}