:root {
  --color-bg: #f5f7fb;
  --color-surface: #ffffff;
  --color-primary: #1f5fa8;
  --color-primary-soft: #e2ecfb;
  --color-text: #0b1b33;
  --color-text-muted: #5b6474;
  --color-border-subtle: #dde4f0;
  --shadow-soft: 0 18px 45px rgba(15, 35, 75, 0.16);
  --radius-lg: 16px;
  --radius-xl: 24px;
}

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

html,
body {
  margin: 0;
  padding: 0;
}

body {
  min-height: 100vh;
  font-family: "Inter", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    sans-serif;
  background: radial-gradient(circle at top left, #e8f0ff 0, #f5f7fb 40%, #fff 80%);
  color: var(--color-text);
  -webkit-font-smoothing: antialiased;
}

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

.container {
  max-width: 1040px;
  margin: 0 auto;
  padding: 0 20px;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(18px);
  background: linear-gradient(
    to bottom,
    rgba(245, 247, 251, 0.9),
    rgba(245, 247, 251, 0.7),
    transparent
  );
  border-bottom: 1px solid rgba(210, 222, 240, 0.8);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 0;
}

.logo {
  width: 40px;
  height: 40px;
  border-radius: 999px;
  background: radial-gradient(circle at 30% 0, #5ea9ff, #1f5fa8);
  color: #ffffff;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  letter-spacing: 0.08em;
  font-size: 14px;
  box-shadow: 0 8px 18px rgba(5, 34, 80, 0.35);
}

.nav {
  display: flex;
  gap: 24px;
  font-size: 14px;
}

.nav a {
  position: relative;
  color: var(--color-text-muted);
  padding-bottom: 2px;
}

.nav a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 0;
  height: 2px;
  border-radius: 999px;
  background: linear-gradient(90deg, #1f5fa8, #65a5ff);
  transition: width 0.2s ease-out;
}

.nav a:hover::after {
  width: 100%;
}

.hero {
  padding: 72px 0 56px;
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 3fr) minmax(0, 2.1fr);
  gap: 40px;
  align-items: center;
}

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--color-primary);
  font-size: 12px;
  margin: 0 0 10px;
}

.hero-title {
  font-size: clamp(36px, 5vw, 44px);
  line-height: 1.02;
  margin: 0 0 14px;
}

.hero-subtitle {
  margin: 0 0 24px;
  max-width: 520px;
  font-size: 16px;
  color: var(--color-text-muted);
}

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

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border-radius: 999px;
  padding: 10px 20px;
  font-size: 14px;
  font-weight: 500;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.13s ease-out, box-shadow 0.13s ease-out,
    background-color 0.13s ease-out, border-color 0.13s ease-out;
}

.btn-primary {
  background: linear-gradient(135deg, #1f5fa8, #3476c1);
  color: #ffffff;
  box-shadow: 0 14px 35px rgba(9, 38, 90, 0.4);
}

.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 16px 40px rgba(9, 38, 90, 0.5);
}

.btn-ghost {
  background-color: rgba(255, 255, 255, 0.9);
  border-color: var(--color-border-subtle);
  color: var(--color-text);
}

.btn-ghost:hover {
  background-color: #ffffff;
  box-shadow: 0 10px 26px rgba(16, 36, 70, 0.18);
}

.hero-card {
  display: flex;
  justify-content: flex-end;
}

.hero-card-inner {
  background: radial-gradient(circle at top left, #edf3ff 0, #ffffff 45%, #edf3ff 100%);
  border-radius: var(--radius-xl);
  padding: 22px 22px 20px;
  box-shadow: var(--shadow-soft);
  border: 1px solid rgba(213, 224, 242, 0.8);
  max-width: 320px;
}

.hero-card-label {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--color-text-muted);
  margin: 0 0 6px;
}

.hero-card-title {
  margin: 0 0 8px;
  font-weight: 600;
  font-size: 16px;
}

.hero-card-body {
  margin: 0;
  font-size: 13px;
  color: var(--color-text-muted);
}

.section {
  padding: 40px 0;
}

.section-alt {
  background-color: rgba(255, 255, 255, 0.9);
}

.section-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 2.4fr);
  gap: 36px;
}

.section-heading h2 {
  margin: 0;
  font-size: 18px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}

.section-body {
  font-size: 15px;
  color: var(--color-text-muted);
}

.section-body p {
  margin: 0 0 12px;
}

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

.card {
  background-color: var(--color-surface);
  border-radius: var(--radius-lg);
  padding: 16px 18px 14px;
  border: 1px solid var(--color-border-subtle);
  box-shadow: 0 10px 28px rgba(11, 30, 65, 0.08);
}

.card h3 {
  margin: 0 0 4px;
  font-size: 15px;
}

.card-meta {
  margin: 0 0 8px;
  font-size: 12px;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.12em;
}

.card-text {
  margin: 0;
  font-size: 14px;
  color: var(--color-text-muted);
}

.contact-actions {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-top: 12px;
}

.contact-note {
  margin: 0;
  font-size: 13px;
  color: var(--color-text-muted);
}

.site-footer {
  border-top: 1px solid rgba(210, 222, 240, 0.9);
  padding: 18px 0 20px;
  background: linear-gradient(
    to top,
    rgba(242, 246, 252, 0.95),
    rgba(242, 246, 252, 0.8),
    transparent
  );
}

.footer-inner {
  font-size: 12px;
  color: var(--color-text-muted);
}

@media (max-width: 800px) {
  .nav {
    gap: 14px;
    font-size: 13px;
  }

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

  .hero-card {
    justify-content: flex-start;
  }

  .section-grid {
    grid-template-columns: minmax(0, 1fr);
    gap: 20px;
  }

  .hero {
    padding-top: 54px;
  }
}

@media (max-width: 560px) {
  .nav {
    display: none;
  }

  .hero-actions {
    flex-direction: column;
    align-items: flex-start;
  }
}