:root {
  --bg: #f4f7fb;
  --panel: #ffffff;
  --panel-soft: #eef4fb;
  --text: #14243d;
  --muted: #5f738c;
  --line: #d7e1ec;
  --brand-navy: #0b1f38;
  --brand-blue: #1773cf;
  --brand-green: #11804a;
  --brand-red: #c64034;
  --shadow: 0 18px 40px rgba(10, 31, 56, 0.1);
}

* {
  box-sizing: border-box;
}

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: "Segoe UI", Arial, sans-serif;
  line-height: 1.55;
}

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

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

.page {
  width: min(1120px, calc(100% - 40px));
  margin: 32px auto 48px;
}

.hero {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 28px;
  background: linear-gradient(140deg, var(--brand-navy), #123056);
  color: #fff;
  border-radius: 28px;
  padding: 34px;
  box-shadow: var(--shadow);
}

.hero-copy h1 {
  margin: 0 0 12px;
  font-size: 42px;
  line-height: 1.06;
  letter-spacing: -0.03em;
}

.eyebrow {
  margin: 0 0 12px;
  color: #9fcbff;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.hero-copy p {
  margin: 0 0 14px;
  color: rgba(255, 255, 255, 0.88);
}

.hero-points {
  margin: 18px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 8px;
}

.hero-points li {
  position: relative;
  padding-left: 18px;
}

.hero-points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 8px;
  height: 8px;
  border-radius: 999px;
  background: #70d19d;
}

.brand {
  width: 180px;
  margin-bottom: 18px;
}

.hero-visual {
  display: grid;
  align-content: center;
}

.hero-card {
  overflow: hidden;
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.hero-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top center;
}

.section {
  margin-top: 28px;
  background: var(--panel);
  border-radius: 24px;
  padding: 28px;
  box-shadow: var(--shadow);
}

.section h2 {
  margin: 0 0 16px;
  font-size: 30px;
  letter-spacing: -0.02em;
}

.section h3 {
  margin: 0 0 10px;
  font-size: 20px;
}

.section p,
.section li {
  color: var(--muted);
}

.grid-2,
.grid-3,
.stats-grid,
.feature-grid,
.checklist-grid,
.card-grid {
  display: grid;
  gap: 18px;
}

.grid-2 {
  grid-template-columns: 1fr 1fr;
}

.grid-3,
.feature-grid,
.card-grid {
  grid-template-columns: repeat(3, 1fr);
}

.stats-grid {
  grid-template-columns: repeat(4, 1fr);
}

.checklist-grid {
  grid-template-columns: repeat(2, 1fr);
}

.card,
.stat,
.callout,
.screenshot-card {
  background: var(--panel-soft);
  border: 1px solid var(--line);
  border-radius: 18px;
}

.card,
.callout {
  padding: 20px;
}

.stat {
  padding: 18px;
}

.stat-value {
  font-size: 30px;
  font-weight: 800;
  color: var(--brand-blue);
  margin-bottom: 6px;
}

.stat-label {
  color: var(--muted);
  font-size: 14px;
}

.callout.good {
  background: #edf8f2;
  border-color: #cfe8d7;
}

.callout.warn {
  background: #fff7ea;
  border-color: #f0dfbd;
}

.callout.danger {
  background: #fff0f0;
  border-color: #f2cccc;
}

.screenshot-card {
  overflow: hidden;
}

.screenshot-card img {
  width: 100%;
  height: 340px;
  object-fit: cover;
  object-position: top center;
}

.screenshot-card .caption {
  padding: 14px 16px 16px;
  color: var(--muted);
  font-size: 14px;
}

.step-list {
  display: grid;
  gap: 14px;
  padding: 0;
  margin: 0;
  list-style: none;
}

.step {
  display: grid;
  grid-template-columns: 38px 1fr;
  gap: 12px;
  align-items: start;
}

.step-index {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border-radius: 999px;
  background: var(--brand-blue);
  color: #fff;
  font-weight: 700;
}

.meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 16px;
}

.tag {
  display: inline-flex;
  align-items: center;
  min-height: 32px;
  padding: 0 12px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 600;
  background: rgba(255,255,255,0.12);
  color: #fff;
}

.hr {
  height: 1px;
  background: var(--line);
  margin: 20px 0;
}

.footer-note {
  margin-top: 28px;
  text-align: center;
  color: var(--muted);
  font-size: 13px;
}

@media (max-width: 900px) {
  .hero,
  .grid-2,
  .grid-3,
  .feature-grid,
  .card-grid,
  .stats-grid,
  .checklist-grid {
    grid-template-columns: 1fr;
  }

  .hero {
    padding: 24px;
  }
}

@media print {
  body {
    background: #fff;
  }

  .page {
    width: 100%;
    margin: 0;
  }

  .hero,
  .section {
    box-shadow: none;
    break-inside: avoid;
  }
}