:root {
  --ink: #14201c;
  --ink-soft: #3d4f47;
  --paper: #f3f0e7;
  --paper-deep: #e7e2d4;
  --forest: #0b3d32;
  --forest-mid: #135447;
  --mint: #8fbfa8;
  --sun: #e8c56a;
  --line: rgba(20, 32, 28, 0.12);
  --shadow: 0 24px 60px rgba(11, 61, 50, 0.16);
  --radius: 18px;
  --font-display: "Syne", system-ui, sans-serif;
  --font-body: "DM Sans", system-ui, sans-serif;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(1200px 600px at 10% -10%, rgba(143, 191, 168, 0.28), transparent 55%),
    radial-gradient(900px 500px at 100% 0%, rgba(232, 197, 106, 0.18), transparent 50%),
    linear-gradient(180deg, #f7f4ec 0%, var(--paper) 40%, #efeadb 100%);
  font-family: var(--font-body);
  font-size: 1.05rem;
  line-height: 1.6;
  text-rendering: optimizeLegibility;
}

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

a {
  color: var(--forest-mid);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.18em;
}

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

.shell {
  width: min(1120px, calc(100% - 2.5rem));
  margin-inline: auto;
}

.shell.narrow {
  width: min(720px, calc(100% - 2.5rem));
}

.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--forest);
  color: white;
  padding: 0.75rem 1rem;
  z-index: 100;
}

.skip-link:focus {
  left: 1rem;
  top: 1rem;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  backdrop-filter: blur(14px);
  background: rgba(243, 240, 231, 0.82);
  border-bottom: 1px solid var(--line);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: 4.25rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  color: var(--ink);
  text-decoration: none;
  font-family: var(--font-display);
  font-weight: 800;
  letter-spacing: -0.03em;
}

.brand-mark {
  width: 2rem;
  height: 2rem;
  border-radius: 0.55rem;
  display: grid;
  place-items: center;
  background: var(--forest);
  color: #f7f4ec;
  font-size: 0.95rem;
}

.brand-text {
  font-size: 1.25rem;
}

.nav {
  display: none;
  gap: 1.25rem;
}

.nav a {
  color: var(--ink-soft);
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 500;
}

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

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  border-radius: 999px;
  padding: 0.85rem 1.35rem;
  font-weight: 600;
  text-decoration: none;
  border: 1px solid transparent;
  transition: transform 180ms ease, background 180ms ease, color 180ms ease,
    border-color 180ms ease;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn-primary {
  background: var(--forest);
  color: #f7f4ec;
}

.btn-primary:hover {
  background: var(--forest-mid);
  color: #fff;
}

.btn-secondary {
  background: transparent;
  border-color: rgba(11, 61, 50, 0.28);
  color: var(--forest);
}

.btn-ghost {
  background: rgba(11, 61, 50, 0.06);
  color: var(--forest);
  padding: 0.55rem 1rem;
  font-size: 0.92rem;
}

.hero {
  position: relative;
  isolation: isolate;
  min-height: min(92vh, 880px);
  display: grid;
  align-items: end;
  padding: 5.5rem 0 4.5rem;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    linear-gradient(120deg, rgba(11, 61, 50, 0.94) 0%, rgba(19, 84, 71, 0.78) 48%, rgba(11, 61, 50, 0.55) 100%),
    repeating-linear-gradient(
      -18deg,
      rgba(255, 255, 255, 0.035) 0 2px,
      transparent 2px 14px
    ),
    radial-gradient(circle at 78% 28%, rgba(232, 197, 106, 0.35), transparent 28%),
    radial-gradient(circle at 18% 72%, rgba(143, 191, 168, 0.28), transparent 32%);
}

.hero-bg::after {
  content: "";
  position: absolute;
  inset: auto -10% -30% 35%;
  height: 70%;
  background: radial-gradient(closest-side, rgba(247, 244, 236, 0.14), transparent 70%);
  transform: rotate(-8deg);
  animation: drift 14s ease-in-out infinite alternate;
}

.hero-inner {
  color: #f4f1e8;
  max-width: 820px;
}

.hero-brand {
  margin: 0 0 1rem;
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  font-size: 0.85rem;
  color: var(--sun);
}

.hero h1 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2.6rem, 7vw, 5rem);
  line-height: 0.98;
  letter-spacing: -0.045em;
}

.hero-lead {
  margin: 1.4rem 0 0;
  max-width: 38rem;
  font-size: 1.12rem;
  color: rgba(247, 244, 236, 0.88);
}

.edu {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  background: rgba(247, 244, 236, 0.12);
  padding: 0.05rem 0.35rem;
  border-radius: 0.35rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  margin-top: 2rem;
}

.hero .btn-secondary {
  border-color: rgba(247, 244, 236, 0.35);
  color: #f7f4ec;
}

.section {
  padding: 5rem 0;
}

.section-alt {
  background: rgba(231, 226, 212, 0.55);
  border-block: 1px solid var(--line);
}

.eyebrow {
  margin: 0 0 0.75rem;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--forest-mid);
}

.section-title {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 4vw, 2.75rem);
  line-height: 1.08;
  letter-spacing: -0.03em;
  max-width: 16ch;
}

.section-lede {
  margin: 1.1rem 0 0;
  max-width: 40rem;
  color: var(--ink-soft);
  font-size: 1.08rem;
}

.feature-grid {
  display: grid;
  gap: 1.25rem;
  margin-top: 2.75rem;
}

.feature {
  padding: 1.5rem 0 0;
  border-top: 1px solid var(--line);
}

.feature h3,
.step h3 {
  margin: 0 0 0.55rem;
  font-family: var(--font-display);
  font-size: 1.25rem;
  letter-spacing: -0.02em;
}

.feature p,
.step p {
  margin: 0;
  color: var(--ink-soft);
}

.steps {
  list-style: none;
  margin: 2.75rem 0 0;
  padding: 0;
  display: grid;
  gap: 1.5rem;
}

.step {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 1rem 1.25rem;
  padding: 1.25rem 0;
  border-top: 1px solid var(--line);
}

.step-num {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.1rem;
  color: var(--forest);
}

.safety-layout {
  display: grid;
  gap: 2rem;
}

.safety-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.85rem;
}

.safety-list li {
  padding: 1rem 1.15rem;
  border-left: 3px solid var(--mint);
  background: rgba(255, 255, 255, 0.4);
}

.note {
  margin-top: 1.5rem;
  padding: 1.15rem 1.25rem;
  border: 1px dashed rgba(11, 61, 50, 0.28);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.35);
  color: var(--ink-soft);
}

.support-panel {
  display: grid;
  gap: 2rem;
  padding: 2rem;
  border-radius: calc(var(--radius) + 4px);
  background: var(--forest);
  color: #f4f1e8;
  box-shadow: var(--shadow);
}

.support-panel .eyebrow,
.support-panel .section-title,
.support-panel a {
  color: #f4f1e8;
}

.support-panel p {
  color: rgba(244, 241, 232, 0.86);
  max-width: 36rem;
}

.support-meta {
  display: grid;
  gap: 1.15rem;
}

.meta-label {
  display: block;
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  opacity: 0.7;
  margin-bottom: 0.25rem;
}

.site-footer {
  border-top: 1px solid var(--line);
  padding: 2.5rem 0 3rem;
  background: rgba(231, 226, 212, 0.65);
}

.footer-inner {
  display: grid;
  gap: 1.25rem;
}

.footer-inner p {
  margin: 0.35rem 0 0;
  color: var(--ink-soft);
}

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

.footer-links a {
  text-decoration: none;
  color: var(--ink-soft);
  font-weight: 500;
}

.copyright {
  font-size: 0.92rem;
  color: var(--ink-soft);
}

.legal {
  padding: 3.5rem 0 4rem;
}

.legal h1 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(2rem, 5vw, 3rem);
  letter-spacing: -0.03em;
}

.legal-updated {
  color: var(--ink-soft);
  margin: 0.75rem 0 1.75rem;
}

.legal h2 {
  margin: 2rem 0 0.75rem;
  font-family: var(--font-display);
  font-size: 1.3rem;
}

.legal h3.legal-sub {
  margin: 1.25rem 0 0.5rem;
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--ink);
}

.legal ul {
  padding-left: 1.2rem;
  color: var(--ink-soft);
}

.back-home {
  margin-top: 2.5rem;
}

.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 700ms ease, transform 700ms ease;
}

.reveal.visible {
  opacity: 1;
  transform: none;
}

.delay-1 { transition-delay: 80ms; }
.delay-2 { transition-delay: 160ms; }
.delay-3 { transition-delay: 240ms; }
.delay-4 { transition-delay: 320ms; }

@keyframes drift {
  from { transform: translate3d(0, 0, 0) rotate(-8deg); }
  to { transform: translate3d(-4%, -3%, 0) rotate(-4deg); }
}

@media (min-width: 760px) {
  .nav {
    display: flex;
  }

  .feature-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 1.75rem;
  }

  .feature {
    padding: 0 0 0 1.25rem;
    border-top: 0;
    border-left: 1px solid var(--line);
  }

  .safety-layout {
    grid-template-columns: 1.1fr 0.9fr;
    align-items: start;
  }

  .support-panel {
    grid-template-columns: 1.2fr 0.8fr;
    padding: 2.5rem;
  }

  .footer-inner {
    grid-template-columns: 1.2fr 1fr;
    align-items: start;
  }

  .copyright {
    grid-column: 1 / -1;
  }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal,
  .reveal.visible {
    opacity: 1;
    transform: none;
    transition: none;
  }
  .hero-bg::after {
    animation: none;
  }
  .btn:hover {
    transform: none;
  }
}