/* ---------- Tokens (mirror the app's tailwind palette) ---------- */
:root {
  --indigo-50:  #eef2ff;
  --indigo-100: #e0e7ff;
  --indigo-200: #c7d2fe;
  --indigo-500: #6366f1;
  --indigo-600: #4f46e5;
  --indigo-700: #4338ca;

  --slate-50:  #f8fafc;
  --slate-100: #f1f5f9;
  --slate-200: #e2e8f0;
  --slate-300: #cbd5e1;
  --slate-400: #94a3b8;
  --slate-500: #64748b;
  --slate-600: #475569;
  --slate-700: #334155;
  --slate-800: #1e293b;
  --slate-900: #0f172a;

  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 20px;

  --shadow-sm: 0 1px 2px rgba(15, 23, 42, 0.04);
  --shadow-md: 0 4px 12px rgba(15, 23, 42, 0.06);
  --shadow-lg: 0 12px 32px rgba(15, 23, 42, 0.08);

  --container: 1120px;

  --font-sans: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
  color: var(--slate-700);
  background: var(--slate-50);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
img { max-width: 100%; display: block; }
a { color: var(--indigo-600); text-decoration: none; }
a:hover { text-decoration: underline; }
h1, h2, h3 { color: var(--slate-900); letter-spacing: -0.02em; line-height: 1.2; margin: 0 0 0.5em; }
h1 { font-size: clamp(2rem, 4.5vw, 3.25rem); font-weight: 800; }
h2 { font-size: clamp(1.6rem, 3vw, 2.25rem); font-weight: 700; }
h3 { font-size: 1.125rem; font-weight: 700; }
p  { margin: 0 0 1rem; }

.container { width: 100%; max-width: var(--container); margin: 0 auto; padding: 0 1.25rem; }

.skip-link {
  position: absolute; left: -9999px; top: 0;
  background: var(--indigo-600); color: #fff; padding: 0.5rem 0.75rem;
  border-radius: var(--radius-sm); z-index: 100;
}
.skip-link:focus { left: 1rem; top: 1rem; }

/* ---------- Header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 30;
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: saturate(180%) blur(10px);
  -webkit-backdrop-filter: saturate(180%) blur(10px);
  border-bottom: 1px solid var(--slate-200);
}
.header-inner {
  display: flex; align-items: center; justify-content: space-between;
  height: 64px;
}
.brand { display: inline-flex; align-items: center; gap: 0.625rem; color: inherit; text-decoration: none; }
.brand:hover { text-decoration: none; }
.brand-mark {
  width: 36px; height: 36px;
  display: inline-flex; align-items: center; justify-content: center;
}
.brand-mark img { width: 100%; height: 100%; display: block; }
.brand-mark.small { width: 24px; height: 24px; }
.brand-text { display: flex; flex-direction: column; line-height: 1; }
.brand-name { font-weight: 800; color: var(--slate-900); font-size: 1.05rem; }
.brand-sub  { font-size: 0.65rem; color: var(--indigo-600); font-weight: 600; letter-spacing: 0.08em; text-transform: uppercase; margin-top: 2px; }

.header-nav { display: flex; align-items: center; gap: 1.25rem; }
.nav-link { color: var(--slate-600); font-weight: 500; font-size: 0.95rem; }
.nav-link:hover { color: var(--indigo-600); text-decoration: none; }

@media (max-width: 720px) {
  .nav-link:not(.btn-enter) { display: none; }
  .header-nav { gap: 0.5rem; }
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 0.5rem;
  padding: 0.55rem 1rem; border-radius: var(--radius-md);
  font-weight: 600; font-size: 0.95rem;
  border: 1px solid transparent;
  transition: background-color 120ms ease, color 120ms ease, box-shadow 120ms ease, border-color 120ms ease;
  cursor: pointer;
  text-decoration: none;
}
.btn:hover { text-decoration: none; }
.btn-primary {
  background: var(--indigo-600); color: #fff;
  box-shadow: var(--shadow-sm);
}
.btn-primary:hover { background: var(--indigo-700); color: #fff; }
.btn-ghost {
  background: #fff; color: var(--slate-700);
  border-color: var(--slate-200);
}
.btn-ghost:hover { border-color: var(--indigo-200); color: var(--indigo-700); }
.btn-lg { padding: 0.85rem 1.4rem; font-size: 1rem; border-radius: var(--radius-lg); }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  padding: clamp(3rem, 7vw, 6rem) 0 clamp(2.5rem, 6vw, 5rem);
  overflow: hidden;
  background:
    radial-gradient(60% 60% at 90% 10%, rgba(99, 102, 241, 0.10), transparent 60%),
    radial-gradient(50% 50% at 10% 90%, rgba(99, 102, 241, 0.07), transparent 60%),
    linear-gradient(180deg, #ffffff 0%, var(--slate-50) 100%);
}
.hero-inner { max-width: 880px; }
.eyebrow {
  display: inline-block;
  font-size: 0.78rem; font-weight: 600; letter-spacing: 0.06em; text-transform: uppercase;
  color: var(--indigo-600);
  background: var(--indigo-50);
  padding: 0.3rem 0.7rem;
  border-radius: 999px;
  margin-bottom: 1.25rem;
}
.accent { color: var(--indigo-600); }
.lede {
  font-size: clamp(1.05rem, 1.6vw, 1.2rem);
  color: var(--slate-600);
  max-width: 720px;
  margin-top: 0.25rem;
}
.hero-cta { display: flex; gap: 0.75rem; flex-wrap: wrap; margin-top: 1.5rem; }
.hero-note { color: var(--slate-500); font-size: 0.85rem; margin-top: 1.25rem; }

/* ---------- Sections ---------- */
.section { padding: clamp(3rem, 7vw, 5rem) 0; }
.section-tinted { background: #fff; border-top: 1px solid var(--slate-200); border-bottom: 1px solid var(--slate-200); }
.section h2 { max-width: 720px; }
.section-lede { color: var(--slate-500); max-width: 640px; margin-bottom: 2rem; }

/* ---------- Steps ---------- */
.steps {
  list-style: none; padding: 0; margin: 0;
  display: grid; gap: 1rem;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}
.steps > li {
  background: #fff;
  border: 1px solid var(--slate-200);
  border-radius: var(--radius-xl);
  padding: 1.5rem;
  box-shadow: var(--shadow-sm);
}
.step-num {
  display: inline-flex; align-items: center; justify-content: center;
  width: 32px; height: 32px; border-radius: 999px;
  background: var(--indigo-100); color: var(--indigo-700);
  font-weight: 700; font-size: 0.9rem;
  margin-bottom: 0.85rem;
}
.steps h3 { margin-bottom: 0.35rem; }
.steps p  { color: var(--slate-600); font-size: 0.95rem; margin: 0; }
@media (max-width: 820px) { .steps { grid-template-columns: 1fr; } }

/* ---------- Feature cards ---------- */
.cards {
  display: grid; gap: 1rem;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}
.card {
  background: var(--slate-50);
  border: 1px solid var(--slate-200);
  border-radius: var(--radius-xl);
  padding: 1.5rem;
  transition: border-color 120ms ease, box-shadow 120ms ease, transform 120ms ease;
}
.card:hover {
  border-color: var(--indigo-200);
  box-shadow: var(--shadow-md);
}
.card-icon {
  width: 40px; height: 40px; border-radius: var(--radius-md);
  display: inline-flex; align-items: center; justify-content: center;
  margin-bottom: 0.85rem;
}
.icon-indigo { background: var(--indigo-100); color: var(--indigo-700); }
.card h3 { margin-bottom: 0.35rem; }
.card p  { color: var(--slate-600); font-size: 0.95rem; margin: 0; }
@media (max-width: 960px) { .cards { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 600px) { .cards { grid-template-columns: 1fr; } }

/* ---------- Privacy ---------- */
.privacy-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 2.5rem;
  align-items: start;
}
.check-list { list-style: none; padding: 0; margin: 0; }
.check-list li {
  position: relative;
  padding-left: 1.85rem;
  margin-bottom: 0.85rem;
  color: var(--slate-700);
}
.check-list li::before {
  content: "";
  position: absolute; left: 0; top: 0.45rem;
  width: 18px; height: 18px;
  border-radius: 6px;
  background: var(--indigo-600);
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'><polyline points='20 6 9 17 4 12'/></svg>");
  background-position: center;
  background-repeat: no-repeat;
  background-size: 12px 12px;
}
.privacy-aside {
  background: #fff;
  border: 1px solid var(--slate-200);
  border-radius: var(--radius-xl);
  padding: 1.5rem;
  box-shadow: var(--shadow-sm);
}
.privacy-aside h3 { margin-bottom: 0.85rem; }
.flow { margin: 0; }
.flow dt {
  font-weight: 600; color: var(--slate-800);
  font-size: 0.85rem; letter-spacing: 0.02em;
  margin-top: 0.85rem;
}
.flow dt:first-of-type { margin-top: 0; }
.flow dd {
  margin: 0.15rem 0 0; color: var(--slate-600);
  font-size: 0.95rem;
  padding-left: 0.85rem;
  border-left: 2px solid var(--indigo-100);
}
@media (max-width: 880px) { .privacy-grid { grid-template-columns: 1fr; gap: 2rem; } }

/* ---------- Open source ---------- */
.os-grid {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 2.5rem;
  align-items: center;
}
.snippet {
  background: var(--slate-900);
  color: var(--slate-100);
  border-radius: var(--radius-xl);
  padding: 1.5rem;
  margin: 0;
  overflow-x: auto;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.92rem;
  line-height: 1.7;
  box-shadow: var(--shadow-lg);
}
.snip-prompt { color: var(--indigo-200); user-select: none; padding-right: 0.5rem; }
.snip-comment { color: var(--slate-400); }
@media (max-width: 880px) { .os-grid { grid-template-columns: 1fr; } }

/* ---------- Thermy ---------- */
.thermy-grid {
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: 2.5rem;
  align-items: center;
}
.thermy-cta { display: flex; gap: 0.75rem; flex-wrap: wrap; margin-top: 1.25rem; }
.printer-mock {
  margin: 0;
  background: #fff;
  border: 1px solid var(--slate-200);
  border-radius: var(--radius-xl);
  padding: 1.5rem;
  box-shadow: var(--shadow-md);
  position: relative;
}
.printer-paper {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  background: #fafaf7;
  border: 1px dashed var(--slate-200);
  padding: 1rem 1.25rem;
  border-radius: var(--radius-md);
}
.printer-title { font-weight: 700; color: var(--slate-900); margin: 0 0 0.6rem; text-transform: capitalize; }
.printer-item { margin: 0.15rem 0; color: var(--slate-700); font-size: 0.95rem; }
.printer-tear {
  height: 14px;
  margin-top: 0.75rem;
  background: repeating-linear-gradient(135deg, transparent 0 6px, var(--slate-200) 6px 7px);
  mask: linear-gradient(180deg, #000 50%, transparent 50%);
  -webkit-mask: linear-gradient(180deg, #000 50%, transparent 50%);
  border-radius: 0 0 var(--radius-md) var(--radius-md);
}
@media (max-width: 880px) { .thermy-grid { grid-template-columns: 1fr; } }

/* ---------- Final CTA ---------- */
.section-cta {
  background:
    radial-gradient(60% 80% at 50% 0%, rgba(99, 102, 241, 0.15), transparent 70%),
    var(--slate-50);
  text-align: center;
  border-top: 1px solid var(--slate-200);
}
.cta-inner { max-width: 640px; margin: 0 auto; }
.cta-inner p { color: var(--slate-600); margin-bottom: 1.5rem; }

/* ---------- Legal pages ---------- */
.legal-hero {
  padding: clamp(2.5rem, 6vw, 4.5rem) 0 clamp(1.5rem, 3vw, 2.5rem);
  background:
    radial-gradient(60% 60% at 90% 10%, rgba(99, 102, 241, 0.08), transparent 60%),
    linear-gradient(180deg, #ffffff 0%, var(--slate-50) 100%);
  border-bottom: 1px solid var(--slate-200);
}
.legal-hero h1 { max-width: 760px; }
.legal-meta {
  color: var(--slate-500);
  font-size: 0.9rem;
  margin: -0.25rem 0 1rem;
}
.legal-meta time { color: var(--slate-600); font-weight: 500; }

.legal { padding-top: clamp(2rem, 4vw, 3rem); }
.legal-body { max-width: 760px; }
.legal-body h2 {
  font-size: 1.35rem;
  margin-top: 2rem;
  scroll-margin-top: 80px;
}
.legal-body h2:first-of-type { margin-top: 0; }
.legal-body h3 {
  font-size: 1rem;
  margin-top: 1.25rem;
  margin-bottom: 0.4rem;
  color: var(--slate-800);
}
.legal-body p, .legal-body li {
  color: var(--slate-700);
  font-size: 0.98rem;
}
.legal-body ul { padding-left: 1.25rem; margin: 0 0 1rem; }
.legal-body ul li { margin-bottom: 0.4rem; }
.legal-body code {
  background: var(--slate-100);
  color: var(--slate-800);
  padding: 0.08em 0.4em;
  border-radius: 6px;
  font-size: 0.88em;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}
.legal-body a { color: var(--indigo-600); }
.legal-body a:hover { color: var(--indigo-700); }

.legal-summary {
  background: #fff;
  border: 1px solid var(--slate-200);
  border-radius: var(--radius-xl);
  padding: 1.5rem 1.75rem;
  margin-bottom: 2.25rem;
  box-shadow: var(--shadow-sm);
}
.legal-summary h2 {
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--indigo-600);
  margin: 0 0 0.85rem;
}
.legal-summary .check-list li { margin-bottom: 0.5rem; }

.legal-dl { margin: 0 0 1rem; }
.legal-dl dt {
  font-weight: 600;
  color: var(--slate-900);
  margin-top: 1rem;
  font-size: 0.98rem;
}
.legal-dl dt:first-of-type { margin-top: 0; }
.legal-dl dd {
  margin: 0.2rem 0 0;
  color: var(--slate-700);
  padding-left: 0.85rem;
  border-left: 2px solid var(--indigo-100);
}

.legal-footnote {
  margin-top: 2.5rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--slate-200);
  color: var(--slate-500);
  font-size: 0.9rem;
}

/* ---------- Footer ---------- */
.site-footer {
  background: #fff;
  border-top: 1px solid var(--slate-200);
  padding: 2rem 0;
}
.footer-inner {
  display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between;
  gap: 1rem;
}
.footer-brand { display: inline-flex; align-items: center; gap: 0.5rem; font-weight: 700; color: var(--slate-800); }
.footer-nav { display: flex; gap: 1.25rem; flex-wrap: wrap; }
.footer-nav a { color: var(--slate-600); font-size: 0.95rem; }
.footer-nav a:hover { color: var(--indigo-600); }
.footer-meta { width: 100%; color: var(--slate-500); font-size: 0.85rem; margin: 0; }
.footer-meta a { color: var(--slate-600); }