:root {
  --ink: #17324A;
  --muted: #506879;
  --line: #DDE8EE;
  --paper: #F7FAFB;
  --white: #ffffff;
  --mist: #EAF6FE;
  --accent: #78C4F6;
  --warm: #D8B08C;
  --shadow: 0 18px 48px rgba(23, 36, 38, 0.12);
  --radius: 8px;
  --max: 1120px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

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

a {
  color: inherit;
}

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

.skip-link {
  position: absolute;
  left: 16px;
  top: -120px;
  z-index: 100;
  background: var(--ink);
  color: var(--white);
  padding: 10px 14px;
  text-decoration: none;
  border-radius: 4px;
}

.skip-link:focus {
  top: 16px;
}

header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(247, 250, 251, 0.96);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(14px);
}

.nav {
  width: min(100% - 32px, var(--max));
  min-height: 76px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}

.brand img {
  width: 46px;
  height: 46px;
  border-radius: 50%;
  border: 1px solid rgba(23, 50, 74, 0.16);
}

.brand strong,
.brand span {
  display: block;
}

.brand strong {
  letter-spacing: 0.08em;
}

.brand span {
  color: var(--muted);
  font-size: 0.82rem;
  line-height: 1.25;
}

nav ul {
  display: flex;
  align-items: center;
  gap: 18px;
  padding: 0;
  margin: 0;
  list-style: none;
}

nav a {
  color: var(--muted);
  font-size: 0.93rem;
  text-decoration: none;
}

nav a:hover,
nav a:focus {
  color: var(--ink);
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 11px 18px;
  color: var(--ink);
  background: var(--accent);
  border: 1px solid var(--accent);
  border-radius: 6px;
  font-weight: 700;
  text-decoration: none;
  transition: transform 160ms ease, background 160ms ease, color 160ms ease;
}

.button:hover,
.button:focus {
  color: var(--white);
  background: var(--ink);
  border-color: var(--ink);
  transform: translateY(-1px);
}

.button.secondary {
  background: rgba(120, 196, 246, 0.08);
  border-color: rgba(120, 196, 246, 0.72);
}

.hero,
section {
  width: min(100% - 32px, var(--max));
  margin: 0 auto;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 0.8fr);
  gap: 42px;
  align-items: center;
  padding: 72px 0 64px;
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--warm);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

h1,
h2,
h3 {
  margin: 0;
  line-height: 1.15;
}

h1 {
  max-width: 760px;
  font-size: clamp(2.1rem, 4vw, 3.4rem);
}

h2 {
  font-size: clamp(1.55rem, 3vw, 2.35rem);
}

h3 {
  font-size: 1.12rem;
}

.lead {
  max-width: 700px;
  margin: 20px 0 0;
  color: var(--muted);
  font-size: 1.08rem;
}

.hero-actions,
.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}

.hero-card,
.card,
.notice {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.hero-card {
  padding: 24px;
  box-shadow: var(--shadow);
}

.hero-card img {
  width: 100%;
  aspect-ratio: 5 / 4;
  object-fit: cover;
  border-radius: var(--radius);
}

.hero-card p {
  margin: 16px 0 0;
  color: var(--muted);
}

section {
  padding: 64px 0;
}

.band {
  width: 100%;
  max-width: none;
  background: var(--mist);
}

.band > .inner,
.inner {
  width: min(100% - 32px, var(--max));
  margin: 0 auto;
}

.section-head {
  display: grid;
  grid-template-columns: minmax(0, 0.75fr) minmax(280px, 0.6fr);
  gap: 36px;
  align-items: end;
  margin-bottom: 28px;
}

.section-head p,
.card p,
.notice p {
  color: var(--muted);
}

.grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

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

.card,
.notice {
  padding: 22px;
}

.card ul {
  padding-left: 20px;
  margin: 14px 0 0;
  color: var(--muted);
}

.warning {
  border-left: 5px solid var(--warm);
}

.faq {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

details {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

summary {
  cursor: pointer;
  padding: 17px 20px;
  font-weight: 800;
}

details p {
  margin: 0;
  padding: 0 20px 20px;
  color: var(--muted);
}

footer {
  padding: 34px 0;
  background: var(--ink);
  color: var(--white);
}

.footer-inner {
  width: min(100% - 32px, var(--max));
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

footer a,
footer span {
  color: rgba(255, 255, 255, 0.82);
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

@media (max-width: 900px) {
  .nav {
    align-items: flex-start;
    padding: 14px 0;
    flex-direction: column;
  }

  nav ul {
    flex-wrap: wrap;
    gap: 12px;
  }

  .hero,
  .section-head,
  .grid,
  .grid.two,
  .faq {
    grid-template-columns: 1fr;
  }

  .hero {
    padding-top: 42px;
  }
}

@media (max-width: 640px) {
  .hero,
  section,
  .band > .inner,
  .inner,
  .nav,
  .footer-inner {
    width: min(100% - 24px, var(--max));
  }

  h1 {
    font-size: clamp(2rem, 9vw, 2.55rem);
  }

  .hero-actions,
  .cta-row {
    display: grid;
  }

  .button {
    width: 100%;
  }
}