:root {
  --ink: #102a43;
  --ink-soft: #486581;
  --paper: #ffffff;
  --wash: #f0f4f8;
  --line: #d9e2ec;
  --accent: #087e8b;
  --accent-dark: #075b63;
  --highlight: #d9f4f1;
  --warning: #fff4db;
  --max: 72rem;
  color-scheme: light;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-synthesis: none;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 6rem;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-size: 1rem;
  line-height: 1.65;
}

a {
  color: var(--accent-dark);
  text-underline-offset: 0.18em;
}

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

a:focus-visible,
button:focus-visible {
  outline: 3px solid #f2b134;
  outline-offset: 3px;
}

code {
  border-radius: 0.25rem;
  background: var(--wash);
  padding: 0.12em 0.35em;
  font-size: 0.9em;
  overflow-wrap: anywhere;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1,
h2,
h3 {
  line-height: 1.15;
  letter-spacing: -0.025em;
}

h1 {
  margin-bottom: 1rem;
  font-size: clamp(2.5rem, 7vw, 5.5rem);
}

h2 {
  margin-bottom: 1rem;
  font-size: clamp(1.65rem, 4vw, 2.7rem);
}

h3 {
  font-size: 1.25rem;
}

.shell {
  width: min(calc(100% - 2.5rem), var(--max));
  margin-inline: auto;
}

.skip-link {
  position: fixed;
  z-index: 100;
  top: 0.75rem;
  left: 0.75rem;
  transform: translateY(-200%);
  border-radius: 0.35rem;
  background: var(--ink);
  color: white;
  padding: 0.75rem 1rem;
}

.skip-link:focus {
  transform: translateY(0);
}

.site-header {
  position: sticky;
  z-index: 20;
  top: 0;
  border-bottom: 1px solid rgba(217, 226, 236, 0.85);
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(12px);
}

.header-inner {
  display: flex;
  min-height: 4.5rem;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}

.brand {
  display: inline-flex;
  flex: 0 0 auto;
  align-items: center;
  gap: 0.7rem;
  color: var(--ink);
  font-weight: 800;
  text-decoration: none;
}

.brand-mark {
  display: grid;
  width: 2.25rem;
  height: 2.25rem;
  place-items: center;
  border-radius: 0.65rem;
  background: var(--ink);
  color: white;
  font-size: 0.95rem;
}

.brand-mark sup {
  margin-left: -0.15rem;
  color: #71d5cc;
  font-size: 0.65em;
}

.nav-list {
  display: flex;
  margin: 0;
  padding: 0;
  gap: 0.2rem;
  list-style: none;
}

.nav-list a {
  display: block;
  border-radius: 0.35rem;
  color: var(--ink-soft);
  padding: 0.5rem 0.7rem;
  font-size: 0.92rem;
  font-weight: 650;
  text-decoration: none;
}

.nav-list a:hover,
.nav-list a[aria-current="page"] {
  background: var(--wash);
  color: var(--ink);
}

.hero {
  overflow: hidden;
  background:
    radial-gradient(circle at 82% 12%, rgba(43, 177, 168, 0.23), transparent 28rem),
    linear-gradient(145deg, #f7fbfc 0%, #edf7f6 100%);
  padding: clamp(4rem, 10vw, 8rem) 0;
}

.hero-grid {
  display: grid;
  align-items: center;
  gap: clamp(2rem, 7vw, 6rem);
  grid-template-columns: minmax(0, 1.4fr) minmax(17rem, 0.8fr);
}

.lede {
  max-width: 48rem;
  color: var(--ink-soft);
  font-size: clamp(1.15rem, 2vw, 1.4rem);
}

.eyebrow {
  margin-bottom: 0.8rem;
  color: var(--accent-dark);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

.button-row {
  display: flex;
  flex-wrap: wrap;
  margin-top: 2rem;
  gap: 0.75rem;
}

.button {
  display: inline-flex;
  min-height: 2.85rem;
  align-items: center;
  justify-content: center;
  border: 2px solid var(--ink);
  border-radius: 0.5rem;
  padding: 0.65rem 1rem;
  font-weight: 750;
  text-align: center;
  text-decoration: none;
}

.button-primary {
  background: var(--ink);
  color: white;
}

.button-primary:hover {
  border-color: var(--accent-dark);
  background: var(--accent-dark);
  color: white;
}

.button-secondary {
  background: transparent;
  color: var(--ink);
}

.button-secondary:hover {
  background: white;
  color: var(--ink);
}

.product-card,
.card {
  border: 1px solid var(--line);
  border-radius: 0.85rem;
  background: white;
  box-shadow: 0 1rem 3rem rgba(16, 42, 67, 0.08);
}

.product-card {
  padding: clamp(1.4rem, 4vw, 2.2rem);
  transform: rotate(1deg);
}

.product-label {
  color: var(--ink-soft);
  font-size: 0.85rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.facts {
  margin: 0;
}

.facts div {
  display: grid;
  border-top: 1px solid var(--line);
  padding: 0.75rem 0;
  gap: 0.75rem;
  grid-template-columns: 5rem 1fr;
}

.facts dt {
  color: var(--ink-soft);
}

.facts dd {
  margin: 0;
  font-weight: 700;
}

.section {
  padding: clamp(3.5rem, 8vw, 6.5rem) 0;
}

.section-tint {
  background: var(--wash);
}

.section-dark {
  background: var(--ink);
  color: white;
}

.section-dark .eyebrow,
.section-dark a {
  color: #8be1d8;
}

.section-heading {
  max-width: 46rem;
  margin-bottom: 2.5rem;
}

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

.card {
  padding: 1.5rem;
}

.card p:last-child {
  margin-bottom: 0;
}

.split,
.callout {
  display: grid;
  align-items: start;
  gap: clamp(2rem, 8vw, 7rem);
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
}

.callout {
  align-items: center;
  border: 1px solid var(--line);
  border-radius: 1rem;
  padding: clamp(1.5rem, 5vw, 3.5rem);
  grid-template-columns: 1fr auto;
}

.callout p:last-child {
  margin-bottom: 0;
}

.text-link {
  font-weight: 750;
}

.page-hero {
  border-bottom: 1px solid var(--line);
  background: linear-gradient(150deg, #f7fbfc, var(--wash));
  padding: clamp(3.5rem, 8vw, 6rem) 0;
}

.page-hero h1 {
  font-size: clamp(2.5rem, 6vw, 4.4rem);
}

.meta {
  color: var(--ink-soft);
  font-size: 0.9rem;
}

.prose {
  max-width: 48rem;
}

.prose p,
.prose li {
  color: #334e68;
}

.prose h2 {
  margin-top: 3rem;
  font-size: clamp(1.55rem, 3vw, 2rem);
}

.prose h3 {
  margin-top: 2rem;
}

.prose li + li {
  margin-top: 0.45rem;
}

.prose table {
  width: 100%;
  border-collapse: collapse;
}

.prose th,
.prose td {
  border: 1px solid var(--line);
  padding: 0.8rem;
  text-align: left;
  vertical-align: top;
}

.prose th {
  background: var(--wash);
}

.legal-layout {
  display: grid;
  align-items: start;
  padding-block: 3.5rem 6rem;
  gap: clamp(2rem, 6vw, 5rem);
  grid-template-columns: 13rem minmax(0, 1fr);
}

.legal-nav {
  position: sticky;
  top: 6rem;
  display: flex;
  flex-direction: column;
  border-left: 2px solid var(--line);
  padding-left: 1rem;
  gap: 0.4rem;
}

.legal-nav strong {
  margin-bottom: 0.35rem;
}

.legal-nav a {
  color: var(--ink-soft);
  font-size: 0.9rem;
  text-decoration: none;
}

.legal-content {
  max-width: 50rem;
}

.legal-content > section:first-child h2,
.standalone-legal > section:first-child h2 {
  margin-top: 0;
}

.notice {
  border-left: 4px solid var(--accent);
  border-radius: 0.3rem;
  background: var(--highlight);
  padding: 1rem 1.2rem;
}

.notice p:last-child {
  margin-bottom: 0;
}

.notice.warning {
  border-left-color: #d78b00;
  background: var(--warning);
}

.standalone-legal {
  padding-block: 3.5rem 6rem;
}

.refund-highlight {
  margin-block: 2.5rem;
  border: 1px solid #8ad9d2;
  border-radius: 0.85rem;
  background: #f1fbfa;
  padding: clamp(1.25rem, 4vw, 2rem);
}

.refund-highlight h2 {
  margin-top: 0;
}

.support-grid {
  display: grid;
  align-items: start;
  padding-block: 3.5rem 6rem;
  gap: clamp(2rem, 7vw, 5rem);
  grid-template-columns: minmax(0, 1.4fr) minmax(16rem, 0.6fr);
}

.support-sidebar {
  display: grid;
  gap: 1rem;
}

.support-sidebar .card {
  box-shadow: none;
}

.support-sidebar h2 {
  font-size: 1.3rem;
}

.steps {
  margin: 0;
  padding: 0;
  list-style: none;
}

.steps li {
  display: grid;
  align-items: start;
  margin: 0;
  border-top: 1px solid var(--line);
  padding: 1rem 0;
  gap: 1rem;
  grid-template-columns: 2rem 1fr;
}

.steps li > span {
  display: grid;
  width: 2rem;
  height: 2rem;
  place-items: center;
  border-radius: 50%;
  background: var(--ink);
  color: white;
  font-weight: 800;
}

.steps p {
  margin-bottom: 0;
}

.site-footer {
  border-top: 1px solid #243b53;
  background: #0b1f33;
  color: #bcccdc;
  padding: 2.5rem 0;
}

.footer-inner {
  display: grid;
  align-items: center;
  gap: 1.5rem;
  grid-template-columns: 1fr auto;
}

.footer-inner strong {
  color: white;
}

.footer-inner p {
  margin: 0;
  font-size: 0.9rem;
}

.footer-inner nav {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

.footer-inner a {
  color: #d9e2ec;
}

.footer-inner > p {
  grid-column: 1 / -1;
}

@media (max-width: 48rem) {
  .header-inner {
    align-items: flex-start;
    flex-direction: column;
    padding-block: 0.75rem;
    gap: 0.5rem;
  }

  .site-header {
    position: static;
  }

  .nav-list {
    width: calc(100vw - 2.5rem);
    overflow-x: auto;
    padding-bottom: 0.25rem;
  }

  .nav-list a {
    white-space: nowrap;
  }

  .hero-grid,
  .split,
  .callout,
  .card-grid,
  .legal-layout,
  .support-grid,
  .footer-inner {
    grid-template-columns: 1fr;
  }

  .product-card {
    transform: none;
  }

  .legal-nav {
    position: static;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
  }

  .legal-nav strong {
    grid-column: 1 / -1;
  }

  .prose table {
    display: block;
    overflow-x: auto;
  }

  .callout .button {
    justify-self: start;
  }

  .footer-inner > p {
    grid-column: auto;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
}