:root {
  --bg: #f7f9fc;
  --surface: #ffffff;
  --surface-muted: #edf3f8;
  --text: #102033;
  --muted: #5d6b7c;
  --line: #dce5ef;
  --primary: #0f5f8f;
  --primary-dark: #0a4467;
  --accent: #22a3a8;
  --danger: #8f2b2b;
  --shadow: 0 18px 50px rgba(16, 32, 51, 0.12);
  --radius-lg: 28px;
  --radius-md: 18px;
  --radius-sm: 12px;
  --container: 1160px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Arial, sans-serif;
  line-height: 1.6;
}

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

img,
svg {
  max-width: 100%;
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(247, 249, 252, 0.92);
  border-bottom: 1px solid rgba(220, 229, 239, 0.8);
  backdrop-filter: blur(16px);
}

.nav {
  min-height: 78px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.brand-mark {
  width: 42px;
  height: 42px;
  display: inline-grid;
  place-items: center;
  border-radius: 14px;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color: #fff;
  font-size: 0.9rem;
  box-shadow: 0 10px 30px rgba(15, 95, 143, 0.24);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 22px;
  color: var(--muted);
  font-size: 0.95rem;
  font-weight: 650;
}

.nav-links a:hover {
  color: var(--primary);
}

.nav-toggle {
  display: none;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--surface);
  color: var(--text);
  padding: 10px 14px;
  font: inherit;
  font-weight: 700;
}

.section {
  padding: 92px 0;
}

.section-muted {
  background: var(--surface-muted);
}

.hero {
  min-height: 720px;
  display: flex;
  align-items: center;
  background:
    radial-gradient(circle at 20% 20%, rgba(34, 163, 168, 0.2), transparent 34%),
    radial-gradient(circle at 82% 16%, rgba(15, 95, 143, 0.18), transparent 32%),
    var(--bg);
}

.hero-grid,
.split,
.contact-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(320px, 0.72fr);
  gap: 48px;
  align-items: center;
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--primary);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

h1,
h2,
h3 {
  margin: 0;
  line-height: 1.08;
  letter-spacing: -0.04em;
}

h1 {
  max-width: 780px;
  font-size: clamp(3rem, 8vw, 6.8rem);
}

h2 {
  font-size: clamp(2rem, 4.5vw, 4rem);
}

h3 {
  font-size: 1.35rem;
}

p {
  color: var(--muted);
}

.hero-lede {
  max-width: 680px;
  margin: 28px 0 0;
  font-size: clamp(1.05rem, 2vw, 1.35rem);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin: 34px 0;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 0;
  border-radius: 999px;
  background: var(--primary);
  color: #fff;
  padding: 14px 22px;
  font: inherit;
  font-weight: 800;
  cursor: pointer;
  box-shadow: 0 12px 30px rgba(15, 95, 143, 0.22);
  transition:
    transform 160ms ease,
    background 160ms ease,
    box-shadow 160ms ease;
}

.button:hover {
  transform: translateY(-2px);
  background: var(--primary-dark);
  box-shadow: 0 16px 38px rgba(15, 95, 143, 0.28);
}

.button-secondary {
  background: var(--surface);
  color: var(--primary);
  border: 1px solid var(--line);
  box-shadow: none;
}

.button-secondary:hover {
  background: #eef8fb;
  color: var(--primary-dark);
}

.button-small {
  padding: 10px 16px;
  color: #fff;
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin: 0;
}

.hero-stats div,
.hero-card,
.card,
.feature-panel,
.contact-form {
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.86);
  box-shadow: var(--shadow);
}

.hero-stats div {
  border-radius: var(--radius-sm);
  padding: 18px;
  box-shadow: none;
}

.hero-stats dt {
  color: var(--primary);
  font-size: 1.55rem;
  font-weight: 900;
}

.hero-stats dd {
  margin: 4px 0 0;
  color: var(--muted);
  font-size: 0.9rem;
}

.hero-card {
  border-radius: var(--radius-lg);
  padding: 34px;
}

.check-list,
.plain-list {
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
}

.check-list li,
.plain-list li {
  position: relative;
  padding-left: 30px;
  margin: 14px 0;
  color: var(--muted);
}

.check-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.42em;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--accent));
}

.plain-list li::before {
  content: "-";
  position: absolute;
  left: 4px;
  color: var(--primary);
  font-weight: 900;
}

.section-heading {
  max-width: 780px;
  margin-bottom: 36px;
}

.section-heading p {
  font-size: 1.1rem;
}

.cards {
  display: grid;
  gap: 22px;
}

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

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

.card,
.feature-panel,
.contact-form {
  border-radius: var(--radius-md);
  padding: 28px;
}

.card {
  box-shadow: none;
}

.card p {
  margin-bottom: 0;
}

.danger-card {
  border-color: rgba(143, 43, 43, 0.25);
}

.danger-card h3 {
  color: var(--danger);
}

.feature-panel {
  background: var(--surface);
}

.contact-section {
  background: linear-gradient(135deg, var(--primary-dark), #0d6770);
  color: #fff;
}

.contact-section .eyebrow,
.contact-section p {
  color: rgba(255, 255, 255, 0.78);
}

.contact-methods {
  display: grid;
  gap: 12px;
  margin-top: 28px;
}

.contact-methods a {
  color: #fff;
  font-weight: 800;
}

.contact-form {
  background: #fff;
  color: var(--text);
}

.contact-form label {
  display: grid;
  gap: 8px;
  margin-bottom: 16px;
  color: var(--text);
  font-size: 0.92rem;
  font-weight: 800;
}

.contact-form input,
.contact-form select,
.contact-form textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: #fbfdff;
  color: var(--text);
  padding: 13px 14px;
  font: inherit;
}

.contact-form textarea {
  resize: vertical;
}

.site-footer {
  background: #071d2e;
  color: rgba(255, 255, 255, 0.82);
  padding: 28px 0;
}

.site-footer p {
  margin: 0;
  color: rgba(255, 255, 255, 0.72);
}

.footer-grid {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  font-weight: 700;
}

@media (max-width: 900px) {
  .nav {
    flex-wrap: wrap;
  }

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

  .nav-links {
    width: 100%;
    display: none;
    flex-direction: column;
    align-items: flex-start;
    padding: 0 0 18px;
  }

  .nav-links.is-open {
    display: flex;
  }

  .hero-grid,
  .split,
  .contact-grid,
  .cards.three,
  .cards.two {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
  }

  .section {
    padding: 72px 0;
  }
}

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

  .hero-stats {
    grid-template-columns: 1fr;
  }

  .hero-card,
  .card,
  .feature-panel,
  .contact-form {
    padding: 22px;
  }

  .footer-grid {
    align-items: flex-start;
    flex-direction: column;
  }
}