:root {
  color-scheme: light;
  --ink: #111827;
  --muted: #667085;
  --line: #e5e7eb;
  --soft: #f8fafc;
  --accent: #14b8a6;
  --accent-dark: #0f766e;
  --panel: #ffffff;
  --shadow: 0 18px 50px rgba(15, 23, 42, 0.08);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--ink);
  background: #ffffff;
  line-height: 1.7;
}

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

a:hover {
  text-decoration: underline;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 18px clamp(20px, 5vw, 72px);
  background: rgba(255, 255, 255, 0.92);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(14px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--ink);
  font-weight: 800;
}

.brand-icon {
  display: block;
  width: 38px;
  height: 38px;
  border-radius: 12px;
  object-fit: cover;
  box-shadow: 0 8px 24px rgba(20, 184, 166, 0.18);
}

nav {
  display: flex;
  gap: 18px;
  flex-wrap: wrap;
  font-size: 14px;
  font-weight: 700;
}

.hero {
  padding: 92px 24px;
  text-align: center;
  background:
    radial-gradient(circle at 50% 0%, rgba(20, 184, 166, 0.22), transparent 38%),
    linear-gradient(180deg, #0f172a, #111827);
  color: #ffffff;
}

.hero-icon {
  display: block;
  width: 132px;
  height: 132px;
  margin: 0 auto 24px;
  border-radius: 30px;
  object-fit: cover;
  box-shadow: 0 24px 70px rgba(20, 184, 166, 0.2);
}

.compact-hero {
  padding: 70px 24px;
}

.eyebrow,
.card-label,
.section-number {
  margin: 0;
  color: var(--accent);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.08em;
}

h1 {
  margin: 10px 0 0;
  font-size: clamp(46px, 8vw, 84px);
  line-height: 1.05;
}

.hero-copy {
  max-width: 780px;
  margin: 18px auto 0;
  color: rgba(255, 255, 255, 0.82);
  font-size: 19px;
  font-weight: 700;
}

.section {
  width: min(1120px, calc(100% - 40px));
  margin: 0 auto;
  padding: 72px 0;
  border-bottom: 1px solid var(--line);
}

.section-heading {
  display: grid;
  grid-template-columns: 44px 1fr;
  gap: 18px;
  align-items: start;
  margin-bottom: 28px;
}

.section h2 {
  margin: 0;
  font-size: clamp(28px, 4vw, 42px);
  line-height: 1.18;
}

.section h2 + p,
.section-heading p:last-child {
  margin: 8px 0 0;
  color: var(--muted);
}

.support-card,
.privacy-callout {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  padding: 28px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 18px;
  box-shadow: var(--shadow);
}

.support-card h3,
.steps h3 {
  margin: 4px 0 8px;
  font-size: 22px;
  line-height: 1.25;
}

.support-card p,
.steps p,
.faq-list p,
.privacy-callout p,
.policy p {
  margin: 6px 0;
  color: var(--muted);
}

.english {
  color: #7b8494;
}

.primary-button,
.secondary-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 10px 18px;
  border-radius: 999px;
  font-weight: 800;
  white-space: nowrap;
}

.primary-button {
  color: #ffffff;
  background: var(--accent-dark);
}

.secondary-button {
  color: var(--accent-dark);
  background: #ccfbf1;
}

.steps {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
  margin: 0;
  padding: 0;
}

.steps li,
.faq-list details {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 16px;
}

.steps li {
  display: grid;
  grid-template-columns: 46px 1fr;
  gap: 16px;
  padding: 22px;
}

.step-number {
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  border-radius: 12px;
  color: #ffffff;
  background: var(--accent-dark);
  font-weight: 900;
}

.faq-list {
  display: grid;
  gap: 12px;
}

.faq-list details {
  padding: 18px 20px;
}

.faq-list summary {
  cursor: pointer;
  font-weight: 800;
}

.privacy-callout {
  background: linear-gradient(135deg, #ecfeff, #ffffff);
}

.policy {
  max-width: 860px;
}

.policy h2 {
  margin-top: 34px;
  font-size: 28px;
}

.policy h3 {
  margin-top: 26px;
  font-size: 22px;
}

.updated {
  font-weight: 800;
}

hr {
  margin: 48px 0;
  border: 0;
  border-top: 1px solid var(--line);
}

footer {
  width: min(1120px, calc(100% - 40px));
  margin: 0 auto;
  padding: 32px 0 52px;
  display: flex;
  justify-content: space-between;
  gap: 20px;
  color: var(--muted);
}

footer div {
  display: flex;
  gap: 16px;
}

@media (max-width: 760px) {
  .site-header,
  .support-card,
  .privacy-callout,
  footer {
    align-items: flex-start;
    flex-direction: column;
  }

  .steps {
    grid-template-columns: 1fr;
  }

  .primary-button,
  .secondary-button {
    width: 100%;
  }
}
