@import url("https://fonts.googleapis.com/css2?family=IBM+Plex+Sans:wght@400;500;700&family=IBM+Plex+Serif:wght@600;700&display=swap");

:root {
  --ink: #1d2a38;
  --ink-soft: #3a4a5d;
  --surface: #ffffff;
  --surface-alt: #f4f7fa;
  --line: #d5dee8;
  --accent: #0a6f83;
  --accent-strong: #055363;
  --container: 72rem;
  --radius: 14px;
  --shadow: 0 8px 24px rgba(24, 39, 61, 0.08);
}

* {
  box-sizing: border-box;
}

html {
  font-size: 16px;
}

body {
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(1200px 550px at 110% -10%, rgba(10, 111, 131, 0.15), transparent 60%),
    radial-gradient(900px 400px at -15% 20%, rgba(30, 95, 126, 0.12), transparent 60%),
    var(--surface-alt);
  font-family: "IBM Plex Sans", "Segoe UI", sans-serif;
  line-height: 1.6;
}

a {
  color: var(--accent-strong);
  text-underline-offset: 2px;
}

a:hover,
a:focus-visible {
  color: var(--accent);
}

.container {
  width: min(100% - 2rem, var(--container));
  margin-inline: auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  border-bottom: 1px solid rgba(213, 222, 232, 0.6);
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(8px);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 4.2rem;
  gap: 1rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  color: var(--ink);
  text-decoration: none;
}

.brand-logo {
  display: block;
  height: 1.75rem;
  max-width: min(62vw, 12rem);
  width: auto;
}

@media (min-width: 48rem) {
  .brand-logo {
    height: 1.95rem;
    max-width: min(34vw, 13.5rem);
  }
}

.menu-toggle {
  border: 1px solid var(--line);
  background: var(--surface);
  color: var(--ink);
  border-radius: 0.5rem;
  padding: 0.45rem 0.7rem;
  font: inherit;
}

.menu-toggle:focus-visible,
.site-nav a:focus-visible,
.brand:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

.site-nav {
  position: absolute;
  inset: 4.3rem 1rem auto 1rem;
  display: none;
  flex-direction: column;
  gap: 0.25rem;
  padding: 0.6rem;
  border: 1px solid var(--line);
  border-radius: 0.75rem;
  background: var(--surface);
  box-shadow: var(--shadow);
}

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

.site-nav a {
  color: var(--ink);
  text-decoration: none;
  padding: 0.5rem 0.65rem;
  border-radius: 0.45rem;
  font-weight: 500;
}

.site-nav a:hover,
.site-nav a.active {
  background: rgba(10, 111, 131, 0.11);
  color: var(--accent-strong);
}

.hero {
  padding: 3.6rem 0 2rem;
  animation: rise-in 0.45s ease-out both;
}

.hero-short {
  padding-bottom: 1.5rem;
}

.kicker {
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent-strong);
  font-weight: 700;
  font-size: 0.76rem;
  margin: 0 0 0.7rem;
}

h1,
h2 {
  font-family: "IBM Plex Serif", Georgia, serif;
  line-height: 1.25;
  margin: 0 0 0.9rem;
}

h1 {
  max-width: 20ch;
  font-size: clamp(1.85rem, 6vw, 2.8rem);
}

h2 {
  font-size: clamp(1.3rem, 3.8vw, 1.62rem);
}

p {
  margin: 0 0 1rem;
}

.lead {
  max-width: 68ch;
  color: var(--ink-soft);
  font-size: 1.04rem;
}

.section {
  padding: 0.5rem 0 3.6rem;
}

.grid-two {
  display: grid;
  gap: 1rem;
}

.card {
  background: var(--surface);
  border: 1px solid rgba(213, 222, 232, 0.8);
  border-radius: var(--radius);
  padding: 1.15rem;
  box-shadow: var(--shadow);
  animation: rise-in 0.5s ease-out both;
}

.card ul {
  margin: 0;
  padding-left: 1.15rem;
}

.card li {
  margin-bottom: 0.5rem;
}

.legal-section {
  padding-top: 0;
}

.legal-content {
  background: var(--surface);
  border: 1px solid rgba(213, 222, 232, 0.8);
  border-radius: var(--radius);
  padding: 1.35rem;
  box-shadow: var(--shadow);
  animation: rise-in 0.45s ease-out both;
}

.legal-content h2 {
  margin-top: 1.45rem;
}

.site-footer {
  border-top: 1px solid rgba(213, 222, 232, 0.8);
  background: #eef3f7;
  padding: 1.2rem 0 1.55rem;
}

.footer-inner {
  display: grid;
  gap: 0.7rem;
}

.footer-inner p {
  margin: 0;
}

.footer-inner nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
}

.footer-inner nav a {
  color: var(--ink-soft);
}

@media (min-width: 48rem) {
  .menu-toggle {
    display: none;
  }

  .site-nav {
    position: static;
    display: flex;
    flex-direction: row;
    border: 0;
    background: transparent;
    box-shadow: none;
    inset: auto;
    padding: 0;
  }

  .site-nav a {
    padding: 0.35rem 0.65rem;
  }

  .grid-two {
    grid-template-columns: 1fr 1fr;
    gap: 1.25rem;
  }

  .card,
  .legal-content {
    padding: 1.5rem;
  }

  .footer-inner {
    grid-template-columns: auto 1fr;
    align-items: center;
    gap: 1rem;
  }

  .footer-inner nav {
    justify-content: flex-end;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
  }
}

@keyframes rise-in {
  from {
    opacity: 0;
    transform: translateY(8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}