:root {
  --bg-page: #eef3f8;
  --bg-sheet: #f7faff;
  --bg-soft: #ffffff;
  --bg-dark: #0f2237;
  --bg-dark-2: #183652;
  --text-main: #19324a;
  --text-soft: #5d738b;
  --line: #d6e3ef;
  --accent: #1f6fb2;
  --accent-2: #5bb2ff;
  --accent-3: #0f4f86;
  --accent-light: #e9f5ff;
  --shadow: 0 18px 40px rgba(18, 45, 77, 0.12);
  --radius-lg: 22px;
  --radius-md: 16px;
  --radius-sm: 12px;
  --container: 1080px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: Inter, Arial, Helvetica, sans-serif;
  background:
    linear-gradient(180deg, #f4f8fc 0%, #eaf1f8 100%);
  color: var(--text-main);
}

a {
  color: var(--accent);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

.page-shell {
  padding: 36px 20px 60px;
}

.sheet {
  width: min(100%, var(--container));
  margin: 0 auto;
  background: var(--bg-sheet);
  border: 1px solid #d9e6f2;
  border-radius: 28px;
  overflow: hidden;
  box-shadow: var(--shadow);
}

/* HERO */
.hero {
  position: relative;
  overflow: hidden;
  padding: 72px 32px;
  border-bottom: 4px solid var(--accent-2);
  background:
    linear-gradient(135deg, rgba(18, 44, 73, 0.94), rgba(11, 28, 45, 0.98)),
    repeating-linear-gradient(
      -45deg,
      rgba(255, 255, 255, 0.03) 0 28px,
      rgba(255, 255, 255, 0.015) 28px 56px
    );
}

.hero__overlay {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at top center, rgba(91, 178, 255, 0.18), transparent 40%),
    radial-gradient(circle at bottom left, rgba(31, 111, 178, 0.12), transparent 30%);
  pointer-events: none;
}

.hero__content {
  position: relative;
  z-index: 1;
  max-width: 760px;
  margin: 0 auto;
  text-align: center;
}

.hero__eyebrow {
  margin: 0 0 20px;
  color: #8fd1ff;
  font-size: 13px;
  letter-spacing: 0.36em;
  text-transform: uppercase;
}

.hero__title {
  margin: 0;
  color: #ffffff;
  font-size: clamp(48px, 7vw, 82px);
  line-height: 0.95;
  font-weight: 800;
  letter-spacing: -0.04em;
}

.hero__subtitle {
  max-width: 700px;
  margin: 18px auto 20px;
  color: #d4e6f6;
  font-size: 24px;
  line-height: 1.45;
  font-weight: 400;
}

.hero__link {
  display: inline-block;
  margin-top: 8px;
  color: #7fd0ff;
  font-size: 20px;
  font-weight: 700;
  border-bottom: 2px solid currentColor;
  padding-bottom: 2px;
}

/* SECTIONS */
.section {
  padding: 38px 48px 8px;
}

.section--last {
  padding-bottom: 52px;
}

.section-title {
  position: relative;
  display: flex;
  align-items: center;
  gap: 14px;
  margin: 0 0 24px;
  font-size: 14px;
  font-weight: 800;
  letter-spacing: 0.34em;
  text-transform: uppercase;
  color: var(--accent);
}

.section-title::before {
  content: "";
  width: 4px;
  height: 22px;
  border-radius: 999px;
  background: linear-gradient(180deg, var(--accent-2), var(--accent));
}

/* METRICS */
.metrics-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  background: #f3f8fd;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.metric-card {
  min-height: 132px;
  padding: 26px 18px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  text-align: center;
  background: rgba(255, 255, 255, 0.75);
  border-right: 1px solid var(--line);
}

.metric-card:last-child {
  border-right: 0;
}

.metric-card__value {
  font-size: clamp(36px, 4vw, 56px);
  font-weight: 800;
  line-height: 1;
  letter-spacing: -0.04em;
  color: var(--accent-3);
  margin-bottom: 8px;
}

.metric-card__label {
  font-size: 15px;
  line-height: 1.45;
  color: var(--text-soft);
}

/* TABLES */
.table-wrap {
  overflow-x: auto;
}

.info-table {
  width: 100%;
  border-collapse: collapse;
  background: transparent;
}

.info-table thead th {
  background: linear-gradient(90deg, #0f2237, #15304c);
  color: #d8ecff;
  text-align: left;
  padding: 16px 18px;
  font-size: 14px;
  font-weight: 800;
  letter-spacing: 0.2em;
  text-transform: uppercase;
}

.info-table thead th:first-child {
  width: 28%;
}

.info-table tbody td {
  padding: 18px;
  font-size: 16px;
  line-height: 1.5;
  vertical-align: top;
  border-bottom: 1px solid var(--line);
  color: var(--text-main);
}

.info-table tbody tr:last-child td {
  border-bottom: 0;
}

.info-table tbody td:first-child {
  font-weight: 700;
  color: #14314e;
}

/* TAGS */
.tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.tag {
  display: inline-flex;
  align-items: center;
  min-height: 40px;
  padding: 10px 14px;
  border-radius: 10px;
  background: #14314e;
  color: #e7f4ff;
  font-size: 15px;
  font-weight: 700;
  line-height: 1;
  border: 1px solid #21496d;
  box-shadow: 0 6px 16px rgba(17, 45, 73, 0.08);
}

.tag--light {
  background: var(--accent-light);
  color: var(--accent-3);
  border-color: #c9e4fb;
}

/* CARDS */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

.feature-card {
  background: #ffffff;
  border: 1px solid #cfe0ee;
  border-left: 4px solid var(--accent);
  border-radius: var(--radius-sm);
  padding: 22px 20px;
  box-shadow: 0 8px 18px rgba(18, 45, 77, 0.05);
}

.feature-card h3 {
  margin: 0 0 10px;
  font-size: 18px;
  line-height: 1.35;
  color: #13314c;
}

.feature-card p {
  margin: 0;
  font-size: 16px;
  line-height: 1.55;
  color: var(--text-soft);
}

/* CLOSING */
.closing-box {
  background:
    linear-gradient(180deg, #ffffff 0%, #f5fbff 100%);
  border: 1px solid #d5e4f1;
  border-radius: 18px;
  padding: 26px 24px;
  box-shadow: 0 10px 24px rgba(18, 45, 77, 0.06);
}

.closing-box p {
  margin: 0 0 14px;
  font-size: 16px;
  line-height: 1.65;
  color: var(--text-main);
}

.closing-box p:last-child {
  margin-bottom: 0;
}

/* RESPONSIVE */
@media (max-width: 980px) {
  .metrics-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .metric-card:nth-child(2) {
    border-right: 0;
  }

  .metric-card:nth-child(-n + 2) {
    border-bottom: 1px solid var(--line);
  }

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

@media (max-width: 720px) {
  .page-shell {
    padding: 20px 12px 40px;
  }

  .hero {
    padding: 52px 20px;
  }

  .hero__eyebrow {
    letter-spacing: 0.24em;
    font-size: 12px;
  }

  .hero__subtitle {
    font-size: 18px;
  }

  .hero__link {
    font-size: 18px;
  }

  .section {
    padding: 28px 18px 4px;
  }

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

  .metric-card {
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .metric-card:last-child {
    border-bottom: 0;
  }

  .info-table thead th,
  .info-table tbody td {
    padding: 14px 12px;
    font-size: 15px;
  }

  .tag {
    font-size: 14px;
  }

  .feature-card {
    padding: 18px 16px;
  }

  .feature-card h3 {
    font-size: 17px;
  }

  .feature-card p,
  .closing-box p {
    font-size: 15px;
  }
}