:root {
  --bg: #f8fafc;
  --surface: #ffffff;
  --text: #122033;
  --muted: #5f6f86;
  --border: #d9e2ec;
  --accent: #2457d6;
  --accent-dark: #173c99;
  --accent-soft: #eaf0ff;
  --success-soft: #e8f7ef;
  --warning-soft: #fff4da;
  --shadow: 0 18px 45px rgba(18, 32, 51, 0.08);
  --radius: 18px;
  --max: 1120px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
}

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

a:hover {
  text-decoration: underline;
}

.container {
  width: min(var(--max), calc(100% - 40px));
  margin: 0 auto;
}

.skip-link {
  position: absolute;
  left: -999px;
  top: 12px;
  background: var(--text);
  color: #fff;
  padding: 8px 12px;
  z-index: 100;
}

.skip-link:focus {
  left: 12px;
}

.site-header {
  background: rgba(255, 255, 255, 0.94);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(12px);
}

.header-inner {
  min-height: 74px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: var(--text);
  font-weight: 800;
  font-size: 1.18rem;
  letter-spacing: -0.02em;
}

.brand:hover {
  text-decoration: none;
}

.brand-mark {
  width: 42px;
  height: 42px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--accent), #55a5ff);
  color: #fff;
  display: grid;
  place-items: center;
  font-weight: 900;
  letter-spacing: -0.08em;
}

.brand-sub {
  display: block;
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0;
}

.nav-toggle {
  display: none;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text);
  padding: 9px 12px;
  border-radius: 12px;
  font-weight: 700;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 6px;
}

.site-nav a {
  color: var(--text);
  font-weight: 700;
  font-size: 0.94rem;
  padding: 9px 11px;
  border-radius: 999px;
}

.site-nav a:hover,
.site-nav a.active {
  background: var(--accent-soft);
  color: var(--accent-dark);
  text-decoration: none;
}

.hero {
  padding: 76px 0 56px;
  background:
    radial-gradient(circle at 15% 20%, rgba(36, 87, 214, 0.13), transparent 28%),
    radial-gradient(circle at 85% 12%, rgba(85, 165, 255, 0.16), transparent 26%),
    linear-gradient(180deg, #fff, var(--bg));
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(340px, 0.9fr);
  gap: 44px;
  align-items: center;
}

.eyebrow {
  display: inline-flex;
  gap: 8px;
  align-items: center;
  padding: 7px 12px;
  background: var(--accent-soft);
  color: var(--accent-dark);
  border-radius: 999px;
  font-weight: 800;
  font-size: 0.82rem;
  margin-bottom: 18px;
}

h1, h2, h3 {
  line-height: 1.16;
  margin: 0 0 16px;
  letter-spacing: -0.03em;
}

h1 {
  font-size: clamp(2.45rem, 5vw, 4.7rem);
}

h2 {
  font-size: clamp(1.85rem, 3.2vw, 3rem);
}

h3 {
  font-size: 1.35rem;
}

.lead {
  color: var(--muted);
  font-size: 1.17rem;
  max-width: 740px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 12px 18px;
  border-radius: 999px;
  font-weight: 800;
  border: 1px solid transparent;
}

.btn:hover {
  text-decoration: none;
}

.btn-primary {
  background: var(--accent);
  color: #fff;
}

.btn-primary:hover {
  background: var(--accent-dark);
}

.btn-secondary {
  background: var(--surface);
  border-color: var(--border);
  color: var(--text);
}

.hero-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 28px;
  padding: 26px;
  box-shadow: var(--shadow);
}

.product-cycle {
  display: grid;
  gap: 12px;
}

.cycle-step {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  padding: 14px;
  border: 1px solid var(--border);
  border-radius: 16px;
  background: #fff;
}

.step-num {
  width: 34px;
  height: 34px;
  flex: 0 0 34px;
  border-radius: 12px;
  background: var(--accent-soft);
  color: var(--accent-dark);
  display: grid;
  place-items: center;
  font-weight: 900;
}

.section {
  padding: 64px 0;
}

.section-alt {
  background: #fff;
}

.section-head {
  margin-bottom: 28px;
  max-width: 800px;
}

.grid-2,
.grid-3,
.grid-4 {
  display: grid;
  gap: 20px;
}

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

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

.grid-4 {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  box-shadow: 0 8px 24px rgba(18, 32, 51, 0.04);
}

.card.highlight {
  background: var(--accent-soft);
  border-color: #c7d6ff;
}

.card.success {
  background: var(--success-soft);
  border-color: #c6ead6;
}

.card.warning {
  background: var(--warning-soft);
  border-color: #f1dfa9;
}

.card p:last-child,
.card ul:last-child {
  margin-bottom: 0;
}

.icon {
  width: 44px;
  height: 44px;
  border-radius: 14px;
  background: var(--accent-soft);
  color: var(--accent-dark);
  display: grid;
  place-items: center;
  font-weight: 900;
  margin-bottom: 14px;
}

.feature-list {
  margin: 0;
  padding-left: 18px;
  color: var(--muted);
}

.feature-list li {
  margin: 7px 0;
}

.stats-row {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}

.stat {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 22px;
}

.stat strong {
  display: block;
  font-size: 2rem;
  line-height: 1;
  color: var(--accent-dark);
  margin-bottom: 8px;
}

.page-hero {
  padding: 58px 0 44px;
  background: linear-gradient(180deg, #fff, var(--bg));
  border-bottom: 1px solid var(--border);
}

.content {
  max-width: 860px;
}

.callout {
  background: var(--text);
  color: #fff;
  border-radius: 28px;
  padding: 36px;
}

.callout p {
  color: rgba(255,255,255,0.82);
}

.callout .btn {
  background: #fff;
  color: var(--text);
}

.timeline {
  display: grid;
  gap: 16px;
  counter-reset: timeline;
}

.timeline-item {
  display: grid;
  grid-template-columns: 54px 1fr;
  gap: 16px;
}

.timeline-item::before {
  counter-increment: timeline;
  content: counter(timeline);
  width: 42px;
  height: 42px;
  border-radius: 14px;
  background: var(--accent);
  color: #fff;
  display: grid;
  place-items: center;
  font-weight: 900;
}

.timeline-content {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
}

.disclaimer {
  color: var(--muted);
  font-size: 0.92rem;
}

.site-footer {
  background: #0c1624;
  color: #fff;
  padding: 44px 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 30px;
}

.site-footer a {
  color: #d7e4ff;
}

.site-footer p,
.site-footer li {
  color: rgba(255,255,255,0.76);
}

.footer-links {
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer-links li {
  margin: 8px 0;
}

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.14);
  margin-top: 30px;
  padding-top: 22px;
  font-size: 0.9rem;
}

.contact-box {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 28px;
  padding: 30px;
}

label {
  display: block;
  font-weight: 800;
  margin-bottom: 7px;
}

input,
textarea,
select {
  width: 100%;
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 12px 14px;
  font: inherit;
  color: var(--text);
  background: #fff;
}

textarea {
  min-height: 140px;
  resize: vertical;
}

.form-row {
  margin-bottom: 16px;
}

.note {
  background: #fff;
  border-left: 5px solid var(--accent);
  padding: 18px 20px;
  border-radius: 12px;
  color: var(--muted);
}

@media (max-width: 900px) {
  .hero-grid,
  .grid-2,
  .grid-3,
  .grid-4,
  .stats-row,
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .nav-toggle {
    display: inline-flex;
  }

  .site-nav {
    display: none;
    position: absolute;
    top: 74px;
    left: 20px;
    right: 20px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 18px;
    box-shadow: var(--shadow);
    padding: 10px;
    flex-direction: column;
    align-items: stretch;
  }

  .site-nav.open {
    display: flex;
  }

  .site-nav a {
    border-radius: 12px;
  }

  .hero {
    padding-top: 50px;
  }
}

@media (max-width: 520px) {
  .container {
    width: min(100% - 26px, var(--max));
  }

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

  .btn {
    width: 100%;
  }
}