/* ── Design tokens ─────────────────────────────────────────────────────── */
:root {
  --surface:      #F1F4F8;
  --surface-alt:  #E4ECF4;
  --ink:          #0D1B2A;
  --ink-muted:    #5A7290;
  --primary:      #1B7A8C;
  --primary-dim:  #E2F2F5;
  --accent:       #CF6D2E;
  --border:       rgba(13, 27, 42, 0.12);

  --font-display: Georgia, 'Times New Roman', ui-serif, serif;
  --font-body:    -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;

  --text-xs:   0.75rem;
  --text-sm:   0.875rem;
  --text-base: 1rem;
  --text-lg:   1.125rem;
  --text-xl:   1.25rem;
  --text-2xl:  1.5rem;
  --text-3xl:  2rem;
  --text-4xl:  2.75rem;
  --text-5xl:  3.5rem;

  --section-gap: 6rem;
  --container:   72rem;
  --gutter:      1.5rem;
}

@media (prefers-color-scheme: dark) {
  :root {
    --surface:     #0D1B2A;
    --surface-alt: #152334;
    --ink:         #EAF0F7;
    --ink-muted:   #8AACC8;
    --primary:     #2AABB8;
    --primary-dim: #0A2330;
    --border:      rgba(234, 240, 247, 0.10);
  }
}

:root[data-theme="light"] {
  --surface:     #F1F4F8;
  --surface-alt: #E4ECF4;
  --ink:         #0D1B2A;
  --ink-muted:   #5A7290;
  --primary:     #1B7A8C;
  --primary-dim: #E2F2F5;
  --border:      rgba(13, 27, 42, 0.12);
}

:root[data-theme="dark"] {
  --surface:     #0D1B2A;
  --surface-alt: #152334;
  --ink:         #EAF0F7;
  --ink-muted:   #8AACC8;
  --primary:     #2AABB8;
  --primary-dim: #0A2330;
  --border:      rgba(234, 240, 247, 0.10);
}

/* ── Reset / base ──────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { font-size: 16px; scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: 1.65;
  background: var(--surface);
  color: var(--ink);
  transition: background 0.2s, color 0.2s;
}

img { max-width: 100%; display: block; }
a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; }
a:focus-visible { outline: 2px solid var(--primary); outline-offset: 3px; border-radius: 2px; }

/* ── Layout ────────────────────────────────────────────────────────────── */
.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

/* ── Nav ───────────────────────────────────────────────────────────────── */
.site-nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
}

.nav-inner {
  display: flex;
  align-items: center;
  height: 3.5rem;
  gap: 0.5rem;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-display);
  font-size: var(--text-xl);
  color: var(--ink);
  text-decoration: none;
  letter-spacing: -0.01em;
  margin-right: auto;
}

.nav-logo:hover { text-decoration: none; }
.nav-logo svg { width: 26px; height: 26px; color: var(--primary); flex-shrink: 0; }

.nav-links {
  display: flex;
  align-items: center;
  list-style: none;
  gap: 0.125rem;
}

.nav-links a {
  display: block;
  padding: 0.375rem 0.75rem;
  font-size: var(--text-sm);
  color: var(--ink-muted);
  border-radius: 6px;
  transition: color 0.15s, background 0.15s;
}

.nav-links a:hover,
.nav-links a[aria-current="page"] {
  color: var(--ink);
  background: var(--surface-alt);
  text-decoration: none;
}

.theme-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2rem;
  height: 2rem;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: transparent;
  color: var(--ink-muted);
  cursor: pointer;
  transition: color 0.15s, background 0.15s;
  margin-left: 0.5rem;
}

.theme-toggle:hover { color: var(--ink); background: var(--surface-alt); }
.theme-toggle svg { width: 15px; height: 15px; }

/* ── Footer ────────────────────────────────────────────────────────────── */
.site-footer {
  border-top: 1px solid var(--border);
  padding-block: 2.5rem;
  margin-top: var(--section-gap);
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}

.footer-copy { font-size: var(--text-sm); color: var(--ink-muted); }

.footer-links { display: flex; gap: 1.5rem; list-style: none; }
.footer-links a { font-size: var(--text-sm); color: var(--ink-muted); }
.footer-links a:hover { color: var(--ink); text-decoration: none; }

/* ── Buttons ───────────────────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.7rem 1.4rem;
  border-radius: 8px;
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 500;
  line-height: 1;
  text-decoration: none;
  cursor: pointer;
  border: none;
  transition: opacity 0.15s, transform 0.1s;
}

.btn:hover { text-decoration: none; opacity: 0.88; }
.btn:active { transform: scale(0.98); }

.btn-primary { background: var(--primary); color: #fff; }
.btn-outline { background: transparent; border: 1px solid var(--border); color: var(--ink); }
.btn[disabled], .btn-disabled { opacity: 0.45; cursor: not-allowed; pointer-events: none; }

/* ── Hero ──────────────────────────────────────────────────────────────── */
.hero {
  position: relative;
  padding-block: 6rem 4.5rem;
  overflow: hidden;
}

.hero-canvas {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 42rem;
}

.eyebrow {
  display: inline-block;
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--primary);
  margin-bottom: 1.25rem;
}

.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(var(--text-3xl), 6vw, var(--text-5xl));
  font-weight: normal;
  line-height: 1.1;
  letter-spacing: -0.025em;
  text-wrap: balance;
  margin-bottom: 1.25rem;
}

.hero-sub {
  font-size: var(--text-lg);
  color: var(--ink-muted);
  line-height: 1.6;
  max-width: 34rem;
  text-wrap: balance;
  margin-bottom: 2.25rem;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 0.875rem;
  flex-wrap: wrap;
}

.soon-badge {
  font-size: var(--text-xs);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink-muted);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 0.3rem 0.75rem;
}

/* ── Features ──────────────────────────────────────────────────────────── */
.features {
  padding-block: var(--section-gap);
  border-top: 1px solid var(--border);
}

.section-label {
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--primary);
  margin-bottom: 0.75rem;
}

.features-header {
  margin-bottom: 3rem;
  max-width: 36rem;
}

.features-header h2 {
  font-family: var(--font-display);
  font-size: var(--text-3xl);
  font-weight: normal;
  letter-spacing: -0.02em;
  line-height: 1.2;
  text-wrap: balance;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(15rem, 1fr));
  gap: 1.25rem;
}

.feature-card {
  background: var(--surface-alt);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.75rem;
}

.feature-icon {
  width: 2.5rem;
  height: 2.5rem;
  background: var(--primary-dim);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.125rem;
  color: var(--primary);
}

.feature-icon svg { width: 18px; height: 18px; }

.feature-card h3 {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: normal;
  letter-spacing: -0.01em;
  margin-bottom: 0.5rem;
}

.feature-card p {
  font-size: var(--text-sm);
  color: var(--ink-muted);
  line-height: 1.65;
}

/* ── How it works ──────────────────────────────────────────────────────── */
.how {
  padding-block: var(--section-gap);
  border-top: 1px solid var(--border);
}

.how-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 5rem;
  align-items: start;
}

.how-header h2 {
  font-family: var(--font-display);
  font-size: var(--text-3xl);
  font-weight: normal;
  letter-spacing: -0.02em;
  line-height: 1.2;
  text-wrap: balance;
  margin-top: 0.5rem;
  margin-bottom: 0.875rem;
}

.how-header p {
  font-size: var(--text-base);
  color: var(--ink-muted);
  line-height: 1.65;
}

.how-steps { display: flex; flex-direction: column; }

.how-step {
  display: flex;
  gap: 1.25rem;
  padding-bottom: 1.75rem;
  position: relative;
}

.how-step:not(:last-child)::before {
  content: '';
  position: absolute;
  left: 0.9375rem;
  top: 2rem;
  bottom: 0;
  width: 1px;
  background: var(--border);
}

.step-num {
  flex-shrink: 0;
  width: 1.875rem;
  height: 1.875rem;
  border-radius: 50%;
  background: var(--primary-dim);
  color: var(--primary);
  font-size: var(--text-xs);
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-top: 0.0625rem;
}

.step-body h3 {
  font-size: var(--text-base);
  font-weight: 600;
  margin-bottom: 0.25rem;
}

.step-body p {
  font-size: var(--text-sm);
  color: var(--ink-muted);
  line-height: 1.6;
}

/* ── Privacy callout strip ─────────────────────────────────────────────── */
.callout-strip {
  background: var(--primary-dim);
  border-top: 1px solid color-mix(in srgb, var(--primary) 18%, transparent);
  border-bottom: 1px solid color-mix(in srgb, var(--primary) 18%, transparent);
  padding-block: 3rem;
  margin-block: var(--section-gap);
}

.callout-strip .inner {
  display: flex;
  gap: 1.5rem;
  align-items: flex-start;
  max-width: 52rem;
}

.callout-strip svg {
  width: 28px;
  height: 28px;
  color: var(--primary);
  flex-shrink: 0;
  margin-top: 0.125rem;
}

.callout-strip h3 {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: normal;
  letter-spacing: -0.015em;
  margin-bottom: 0.5rem;
}

.callout-strip p {
  font-size: var(--text-base);
  color: var(--ink-muted);
  line-height: 1.65;
}

/* ── Privacy policy page ───────────────────────────────────────────────── */
.policy-header {
  padding-block: 4rem 2.5rem;
  border-bottom: 1px solid var(--border);
  margin-bottom: 3rem;
}

.policy-header h1 {
  font-family: var(--font-display);
  font-size: var(--text-4xl);
  font-weight: normal;
  letter-spacing: -0.025em;
  margin-bottom: 0.625rem;
}

.policy-header .meta { font-size: var(--text-sm); color: var(--ink-muted); }

.policy-body {
  display: grid;
  grid-template-columns: 13rem 1fr;
  gap: 5rem;
  margin-bottom: var(--section-gap);
  align-items: start;
}

.policy-toc {
  position: sticky;
  top: 5rem;
}

.policy-toc-label {
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-muted);
  margin-bottom: 0.875rem;
}

.policy-toc ul { list-style: none; display: flex; flex-direction: column; }

.policy-toc a {
  display: block;
  font-size: var(--text-sm);
  color: var(--ink-muted);
  padding: 0.3rem 0;
  border-left: 2px solid transparent;
  padding-left: 0.75rem;
  margin-left: -0.75rem;
  transition: color 0.15s, border-color 0.15s;
}

.policy-toc a:hover {
  color: var(--primary);
  border-left-color: var(--primary);
  text-decoration: none;
}

.policy-content section { padding-top: 2.5rem; margin-top: 2.5rem; border-top: 1px solid var(--border); }
.policy-content section:first-child { padding-top: 0; margin-top: 0; border-top: none; }

.policy-content h2 {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: normal;
  letter-spacing: -0.015em;
  margin-bottom: 1rem;
}

.policy-content p {
  font-size: var(--text-base);
  color: var(--ink-muted);
  line-height: 1.75;
  margin-bottom: 1rem;
}

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

.policy-content ul {
  margin: 0.5rem 0 1rem 1.25rem;
  color: var(--ink-muted);
  font-size: var(--text-base);
  line-height: 1.75;
}

.policy-content li { margin-bottom: 0.3rem; }
.policy-content a { color: var(--primary); }

.highlight-box {
  background: var(--primary-dim);
  border-left: 3px solid var(--primary);
  border-radius: 0 8px 8px 0;
  padding: 1rem 1.25rem;
  margin: 1.25rem 0;
}

.highlight-box p {
  color: var(--ink);
  font-weight: 500;
  margin: 0;
  font-size: var(--text-sm);
}

/* ── Contact page ──────────────────────────────────────────────────────── */
.contact-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 5rem;
  padding-block: 4.5rem var(--section-gap);
  align-items: start;
}

.contact-info h1 {
  font-family: var(--font-display);
  font-size: var(--text-4xl);
  font-weight: normal;
  letter-spacing: -0.025em;
  line-height: 1.15;
  margin-bottom: 1rem;
  text-wrap: balance;
}

.contact-info > p {
  font-size: var(--text-base);
  color: var(--ink-muted);
  line-height: 1.7;
  margin-bottom: 2rem;
}

.contact-detail {
  display: flex;
  align-items: center;
  gap: 0.625rem;
  font-size: var(--text-sm);
  color: var(--ink-muted);
  margin-bottom: 0.75rem;
}

.contact-detail svg { width: 15px; height: 15px; flex-shrink: 0; color: var(--primary); }

.contact-form {
  background: var(--surface-alt);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 2rem;
}

.form-group { margin-bottom: 1.25rem; }

.form-group label {
  display: block;
  font-size: var(--text-sm);
  font-weight: 500;
  margin-bottom: 0.4rem;
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 0.625rem 0.875rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  font-family: var(--font-body);
  font-size: var(--text-sm);
  color: var(--ink);
  transition: border-color 0.15s, box-shadow 0.15s;
  appearance: none;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--primary) 15%, transparent);
}

.form-group textarea { resize: vertical; min-height: 7.5rem; line-height: 1.6; }

.form-note { font-size: var(--text-xs); color: var(--ink-muted); margin-top: 0.875rem; }

/* ── Responsive ────────────────────────────────────────────────────────── */
@media (max-width: 800px) {
  :root { --section-gap: 4rem; }
  .nav-links { display: none; }
  .how-inner { grid-template-columns: 1fr; gap: 2.5rem; }
  .policy-body { grid-template-columns: 1fr; }
  .policy-toc { display: none; }
  .contact-layout { grid-template-columns: 1fr; gap: 2.5rem; }
  .footer-inner { flex-direction: column; align-items: flex-start; }
}

@media (max-width: 480px) {
  .hero { padding-block: 4rem 3rem; }
  .callout-strip .inner { flex-direction: column; gap: 1rem; }
}

@media (prefers-reduced-motion: reduce) {
  * { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
}