/* Salvio — marketing site styles. Brand system per BRAND_GUIDELINES.md. */

:root {
  --indigo: #3B3FB6;
  --indigo-600: #3438a3;
  --indigo-700: #2b2e8c;
  --ink: #0E1230;
  --mint: #23C28A;
  --mint-ink: #0b5c41;
  --paper: #F6F7FB;
  --slate: #5A6178;
  --success: #1FA971;
  --warning: #E6A100;
  --danger: #D6453D;

  --bg: #ffffff;
  --surface: var(--paper);
  --surface-2: #eef0f7;
  --text: var(--ink);
  --text-soft: var(--slate);
  --border: #e2e5ef;
  --card-bg: #ffffff;
  --brand-text: var(--indigo);
  --shadow: 0 1px 2px rgba(14,18,48,.05), 0 8px 24px rgba(14,18,48,.06);
  --shadow-lg: 0 12px 40px rgba(14,18,48,.12);

  --radius: 14px;
  --radius-lg: 20px;
  --maxw: 1120px;
  --font: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --mono: "JetBrains Mono", ui-monospace, "SF Mono", "IBM Plex Mono", Menlo, Consolas, monospace;
}

:root[data-theme="dark"], :root.dark {
  --bg: #0b0e24;
  --surface: #11152f;
  --surface-2: #171c3b;
  --text: #eef0f7;
  --text-soft: #a6adc8;
  --border: #262c4f;
  --card-bg: #141935;
  --brand-text: #9aa0ff;
  --shadow: 0 1px 2px rgba(0,0,0,.3), 0 8px 24px rgba(0,0,0,.35);
  --shadow-lg: 0 12px 40px rgba(0,0,0,.45);
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #0b0e24;
    --surface: #11152f;
    --surface-2: #171c3b;
    --text: #eef0f7;
    --text-soft: #a6adc8;
    --border: #262c4f;
    --card-bg: #141935;
    --brand-text: #9aa0ff;
    --shadow: 0 1px 2px rgba(0,0,0,.3), 0 8px 24px rgba(0,0,0,.35);
    --shadow-lg: 0 12px 40px rgba(0,0,0,.45);
  }
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 84px; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } * { transition: none !important; } }

body {
  margin: 0;
  font-family: var(--font);
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

.container { width: 100%; max-width: var(--maxw); margin-inline: auto; padding-inline: 24px; }
.container-narrow { max-width: 760px; }

h1, h2, h3 { line-height: 1.15; letter-spacing: -0.02em; margin: 0 0 .4em; }
a { color: var(--brand-text); text-decoration: none; }
a:hover { text-decoration: underline; }
em { font-style: normal; color: var(--text-soft); }

.skip-link {
  position: absolute; left: -999px; top: 0; z-index: 100;
  background: var(--indigo); color: #fff; padding: 10px 16px; border-radius: 0 0 10px 0;
}
.skip-link:focus { left: 0; }

:focus-visible { outline: 3px solid var(--mint); outline-offset: 2px; border-radius: 6px; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  font-weight: 600; font-size: .98rem; padding: 12px 22px; border-radius: 999px;
  border: 1.5px solid transparent; cursor: pointer; transition: transform .12s ease, box-shadow .12s ease, background .12s ease;
  white-space: nowrap;
}
.btn:hover { text-decoration: none; transform: translateY(-1px); }
.btn-primary { background: var(--indigo); color: #fff; box-shadow: 0 6px 18px rgba(59,63,182,.28); }
.btn-primary:hover { background: var(--indigo-600); }
.btn-ghost { background: transparent; color: var(--brand-text); border-color: var(--border); }
.btn-ghost:hover { border-color: var(--brand-text); background: color-mix(in srgb, var(--brand-text) 8%, transparent); }
.btn-sm { padding: 9px 16px; font-size: .9rem; }
.btn-lg { padding: 15px 30px; font-size: 1.05rem; }

/* ---------- Header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: saturate(180%) blur(10px);
  border-bottom: 1px solid var(--border);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 68px; }
.brand { display: inline-flex; align-items: center; gap: 10px; color: var(--text); font-weight: 800; }
.brand:hover { text-decoration: none; }
.brand-mark { display: block; border-radius: 9px; }
.brand-word { font-size: 1.28rem; letter-spacing: -0.03em; font-weight: 800; }

.site-nav { display: flex; align-items: center; gap: 8px; }
.nav-links { display: flex; align-items: center; gap: 26px; list-style: none; margin: 0; padding: 0; }
.nav-links a { color: var(--text-soft); font-weight: 500; font-size: .96rem; }
.nav-links a:hover { color: var(--text); text-decoration: none; }
.nav-cta a { color: #fff; }
.nav-cta a:hover { color: #fff; }

.theme-toggle {
  margin-left: 10px; width: 40px; height: 40px; display: inline-flex; align-items: center; justify-content: center;
  border: 1.5px solid var(--border); background: var(--card-bg); color: var(--text-soft); border-radius: 10px; cursor: pointer;
}
.theme-toggle:hover { color: var(--text); border-color: var(--brand-text); }
.icon-moon { display: none; }
:root[data-theme="dark"] .icon-sun, :root.dark .icon-sun { display: none; }
:root[data-theme="dark"] .icon-moon, :root.dark .icon-moon { display: block; }
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .icon-sun { display: none; }
  :root:not([data-theme="light"]) .icon-moon { display: block; }
}

.nav-toggle { display: none; flex-direction: column; gap: 5px; width: 42px; height: 42px; border: 1.5px solid var(--border); background: var(--card-bg); border-radius: 10px; cursor: pointer; align-items: center; justify-content: center; }
.nav-toggle span { width: 18px; height: 2px; background: var(--text); border-radius: 2px; transition: .2s; }

/* ---------- Hero ---------- */
.hero { position: relative; overflow: hidden; padding: 72px 0 40px; }
.hero::before {
  content: ""; position: absolute; inset: 0; z-index: -1;
  background:
    radial-gradient(1100px 480px at 82% -8%, color-mix(in srgb, var(--indigo) 22%, transparent), transparent 60%),
    radial-gradient(700px 380px at 6% 8%, color-mix(in srgb, var(--mint) 16%, transparent), transparent 55%);
}
.hero-grid { display: grid; grid-template-columns: 1.05fr .95fr; gap: 48px; align-items: center; }
.eyebrow { display: inline-flex; align-items: center; gap: 8px; font-weight: 600; font-size: .85rem; color: var(--brand-text); background: color-mix(in srgb, var(--brand-text) 10%, transparent); padding: 6px 12px; border-radius: 999px; margin: 0 0 18px; }
.eyebrow .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--mint); box-shadow: 0 0 0 4px color-mix(in srgb, var(--mint) 25%, transparent); }
.hero h1 { font-size: clamp(2.5rem, 6vw, 4rem); font-weight: 800; }
.lede { font-size: clamp(1.05rem, 2.2vw, 1.3rem); color: var(--text-soft); max-width: 34ch; margin: 0 0 28px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-bottom: 16px; }
.microtrust { font-size: .9rem; color: var(--text-soft); margin: 6px 0 0; }

/* Hero visual — abstract vault card (decorative) */
.hero-visual { display: flex; justify-content: center; }
.vault-card { width: 100%; max-width: 400px; background: var(--card-bg); border: 1px solid var(--border); border-radius: var(--radius-lg); box-shadow: var(--shadow-lg); padding: 20px; }
.vault-head { display: flex; align-items: center; gap: 10px; font-weight: 700; margin-bottom: 14px; }
.vault-lock { color: var(--indigo); display: inline-flex; }
.chip { margin-left: auto; font-size: .72rem; font-weight: 700; padding: 4px 10px; border-radius: 999px; letter-spacing: .01em; }
.chip-mint { background: color-mix(in srgb, var(--mint) 20%, transparent); color: var(--mint-ink); }
:root[data-theme="dark"] .chip-mint, :root.dark .chip-mint { color: #7ff0c6; }
.vault-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; }
.vault-list li { display: flex; align-items: center; gap: 12px; padding: 11px 12px; background: var(--surface); border: 1px solid var(--border); border-radius: 12px; }
.fav { width: 32px; height: 32px; border-radius: 9px; background: var(--f); color: #fff; font-weight: 800; display: inline-flex; align-items: center; justify-content: center; font-size: .95rem; flex: 0 0 auto; }
.vl-name { display: flex; flex-direction: column; line-height: 1.25; font-weight: 600; font-size: .92rem; }
.vl-name em { font-size: .78rem; font-weight: 500; }
.vl-dots { margin-left: auto; font-family: var(--mono); letter-spacing: 1px; color: var(--text-soft); }
.vl-badge { margin-left: auto; font-size: .72rem; font-weight: 700; color: var(--mint-ink); background: color-mix(in srgb, var(--mint) 18%, transparent); padding: 3px 9px; border-radius: 999px; }
:root[data-theme="dark"] .vl-badge, :root.dark .vl-badge { color: #7ff0c6; }
.vl-warn { margin-left: auto; font-size: .72rem; font-weight: 700; color: #8a5a00; background: color-mix(in srgb, var(--warning) 24%, transparent); padding: 3px 9px; border-radius: 999px; }
:root[data-theme="dark"] .vl-warn, :root.dark .vl-warn { color: #ffcf6b; }
.vault-foot { display: flex; align-items: center; justify-content: space-between; margin-top: 14px; font-size: .8rem; color: var(--text-soft); }
.health strong { color: var(--success); }
.server-note { font-family: var(--mono); font-size: .72rem; }

/* ---------- Trust bar ---------- */
.trustbar { border-block: 1px solid var(--border); background: var(--surface); }
.trust-inner { display: flex; flex-wrap: wrap; gap: 10px 14px; justify-content: center; padding: 18px 24px; }
.trust-chip { font-size: .84rem; font-weight: 600; color: var(--text-soft); background: var(--card-bg); border: 1px solid var(--border); padding: 7px 14px; border-radius: 999px; }
.trust-chip em { color: var(--brand-text); }

/* ---------- Sections ---------- */
.section { padding: 76px 0; }
.section-alt { background: var(--surface); }
.section-title { font-size: clamp(1.6rem, 3.4vw, 2.3rem); font-weight: 800; text-align: center; margin-bottom: 14px; }
.section-title.left { text-align: left; }
.section-lede { color: var(--text-soft); font-size: 1.08rem; max-width: 60ch; margin: 0 0 40px; }
.section-lede.center { text-align: center; margin-inline: auto; }

/* Cards (Why) */
.cards-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; margin-top: 40px; }
.card { background: var(--card-bg); border: 1px solid var(--border); border-radius: var(--radius); padding: 28px 24px; box-shadow: var(--shadow); }
.card-ic { width: 48px; height: 48px; border-radius: 12px; display: inline-flex; align-items: center; justify-content: center; background: color-mix(in srgb, var(--indigo) 12%, transparent); color: var(--brand-text); margin-bottom: 16px; }
.card h3 { font-size: 1.14rem; }
.card p { color: var(--text-soft); margin: 0; }

/* Steps */
.steps { list-style: none; counter-reset: none; display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; margin: 40px 0 0; padding: 0; }
.step { background: var(--card-bg); border: 1px solid var(--border); border-radius: var(--radius); padding: 28px 24px; box-shadow: var(--shadow); position: relative; }
.step-n { display: inline-flex; align-items: center; justify-content: center; width: 40px; height: 40px; border-radius: 50%; background: var(--indigo); color: #fff; font-weight: 800; margin-bottom: 14px; }
.step h3 { font-size: 1.14rem; }
.step p { color: var(--text-soft); margin: 0; }

/* Household */
.household-grid { display: grid; grid-template-columns: 1.1fr .9fr; gap: 40px; align-items: center; }
.profiles { display: flex; flex-wrap: wrap; gap: 14px; }
.profile-pill { font-weight: 700; color: #fff; background: var(--p); padding: 14px 26px; border-radius: 14px; box-shadow: var(--shadow); }

/* Feature grid */
.feature-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-top: 40px; }
.feature { padding: 22px; border: 1px solid var(--border); border-radius: var(--radius); background: var(--card-bg); }
.feature h3 { font-size: 1.05rem; display: flex; align-items: center; gap: 8px; }
.feature h3::before { content: ""; width: 10px; height: 10px; border-radius: 3px; background: var(--mint); flex: 0 0 auto; }
.feature p { color: var(--text-soft); margin: 0; font-size: .96rem; }

/* Pricing */
.pricing-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; margin-top: 12px; }
.price-card { background: var(--card-bg); border: 1px solid var(--border); border-radius: var(--radius); padding: 26px 22px; display: flex; flex-direction: column; box-shadow: var(--shadow); position: relative; }
.price-card.featured { border-color: var(--indigo); box-shadow: 0 0 0 2px var(--indigo), var(--shadow-lg); }
.ribbon { position: absolute; top: -12px; left: 50%; transform: translateX(-50%); background: var(--mint); color: var(--mint-ink); font-size: .72rem; font-weight: 800; padding: 5px 14px; border-radius: 999px; white-space: nowrap; }
.price-card h3 { font-size: 1.2rem; }
.price { font-size: 2rem; font-weight: 800; margin: 0 0 16px; color: var(--text); }
.price span { letter-spacing: -.02em; }
.price-card ul { list-style: none; margin: 0 0 22px; padding: 0; display: grid; gap: 9px; flex: 1; }
.price-card li { padding-left: 26px; position: relative; color: var(--text-soft); font-size: .94rem; }
.price-card li::before { content: "✓"; position: absolute; left: 0; color: var(--success); font-weight: 800; }
.price-foot { text-align: center; color: var(--text-soft); font-size: .92rem; margin-top: 28px; }

/* Trust kit */
.trust-kit { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; max-width: 900px; margin: 0 auto; }
.kit-item { background: var(--card-bg); border: 1px solid var(--border); border-radius: 12px; padding: 18px 20px; font-weight: 600; }
.kit-ic { color: var(--mint); margin-right: 8px; }

/* FAQ */
.faq { display: grid; gap: 12px; }
.faq details { background: var(--card-bg); border: 1px solid var(--border); border-radius: 12px; padding: 4px 20px; }
.faq summary { cursor: pointer; font-weight: 700; padding: 16px 0; list-style: none; display: flex; justify-content: space-between; align-items: center; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; color: var(--brand-text); font-size: 1.4rem; line-height: 1; }
.faq details[open] summary::after { content: "–"; }
.faq details p { margin: 0 0 18px; color: var(--text-soft); }

/* Footer CTA */
.footer-cta { text-align: center; padding: 84px 24px; background: linear-gradient(135deg, var(--indigo), var(--indigo-700)); color: #fff; }
.footer-cta h2 { font-size: clamp(1.8rem, 4vw, 2.6rem); font-weight: 800; }
.footer-cta p { color: color-mix(in srgb, #fff 82%, transparent); font-size: 1.15rem; margin: 0 0 26px; }
.footer-cta .btn-primary { background: #fff; color: var(--indigo); box-shadow: 0 8px 24px rgba(0,0,0,.2); }
.footer-cta .btn-primary:hover { background: var(--paper); }

/* Footer */
.site-footer { background: var(--ink); color: #c7cbe0; padding: 44px 0 30px; }
:root[data-theme="dark"] .site-footer, :root.dark .site-footer { background: #070917; }
.footer-inner { display: flex; justify-content: space-between; align-items: flex-start; gap: 24px; flex-wrap: wrap; }
.footer-brand .brand-word { color: #fff; }
.footer-brand p { margin: 4px 0 0; color: #9aa0c0; font-size: .92rem; }
.footer-links { display: flex; flex-wrap: wrap; gap: 22px; }
.footer-links a { color: #c7cbe0; font-size: .94rem; }
.footer-links a:hover { color: #fff; }
.footer-legal { margin-top: 26px; padding-top: 20px; border-top: 1px solid rgba(255,255,255,.1); }
.footer-legal p { color: #8288ab; font-size: .82rem; margin: 0; }
.footer-legal em { color: #9aa0c0; }

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
  .hero-grid { grid-template-columns: 1fr; gap: 32px; }
  .hero-visual { order: -1; }
  .lede { max-width: none; }
  .cards-3, .steps, .feature-grid, .trust-kit { grid-template-columns: 1fr 1fr; }
  .pricing-grid { grid-template-columns: 1fr 1fr; }
  .household-grid { grid-template-columns: 1fr; }
}
@media (max-width: 680px) {
  .nav-links {
    position: absolute; top: 68px; left: 0; right: 0; flex-direction: column; gap: 0;
    background: var(--bg); border-bottom: 1px solid var(--border); padding: 8px 24px 18px;
    display: none;
  }
  .nav-links.open { display: flex; }
  .nav-links li { width: 100%; padding: 6px 0; }
  .nav-cta { margin-top: 8px; }
  .nav-cta a { width: 100%; }
  .nav-toggle { display: flex; order: 3; }
  .cards-3, .steps, .feature-grid, .trust-kit, .pricing-grid { grid-template-columns: 1fr; }
  .section { padding: 56px 0; }
  .hero { padding: 44px 0 20px; }
}