/* ============================================================
   WalletLoop — shared site styles
   ----------------------------------------------------------
   Linen-warm palette matches the app's 1.4.10+ design tokens.
   Indigo primary + brand-green accents. Mobile-first.
   ============================================================ */

:root {
  /* Surfaces (linen variant from app theme.ts) */
  --ivory: #F4EEDE;        /* page background */
  --card: #FCF9EE;         /* warm linen-white card */
  --surface-raised: #F8F2E3;
  --hairline: #E5DDC4;     /* warm beige border */

  /* Ink */
  --ink-900: #15141A;
  --ink-700: #3A3740;
  --ink-500: #6B6770;
  --ink-400: #9A969E;
  --ink-300: #C9C5CB;

  /* Brand */
  --indigo: #1A237E;       /* primary */
  --indigo-soft: #EAE6F5;
  --indigo-darker: #0E1668;
  --teal: #0F8A6F;         /* brand green */
  --teal-soft: #DDEDE3;
  --amber: #A4751A;
  --amber-soft: #F5E6C8;
  --coral: #D14238;

  /* Type */
  --sans: -apple-system, BlinkMacSystemFont, 'Inter', 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;
  --mono: 'JetBrains Mono', Menlo, 'Roboto Mono', monospace;

  /* Layout */
  --max-w: 1100px;
  --max-w-narrow: 720px;

  /* Shadow (warm-brown) */
  --shadow-sm: 0 1px 2px rgba(120, 90, 30, 0.07);
  --shadow-md: 0 4px 12px rgba(120, 90, 30, 0.08);
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  font-family: var(--sans);
  color: var(--ink-900);
  background: var(--ivory);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a { color: var(--indigo); text-decoration: none; }
a:hover { text-decoration: underline; text-underline-offset: 3px; }

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

/* ---------- Nav ---------- */
.nav {
  width: 100%;
  padding: 18px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--hairline);
  background: var(--ivory);
  position: sticky;
  top: 0;
  z-index: 20;
}
.nav-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--ink-900);
  font-weight: 700;
  letter-spacing: -0.3px;
  font-size: 17px;
}
.nav-brand .nav-logo { width: 28px; height: 28px; }
.nav-brand .loop-accent { color: var(--teal); }
.nav-links {
  display: flex;
  gap: 22px;
  align-items: center;
  font-size: 14px;
  font-weight: 500;
}
.nav-links a { color: var(--ink-700); }
.nav-links a:hover { color: var(--indigo); text-decoration: none; }
.nav-cta {
  background: var(--indigo);
  color: #fff !important;
  padding: 9px 18px;
  border-radius: 8px;
  font-weight: 600;
  font-size: 13.5px;
}
.nav-cta:hover { background: var(--indigo-darker); text-decoration: none; }

@media (max-width: 640px) {
  .nav { padding: 14px 16px; }
  .nav-links { gap: 14px; }
  .nav-links .hide-sm { display: none; }
}

/* ---------- Containers ---------- */
.container { max-width: var(--max-w); margin: 0 auto; padding: 0 24px; }
.container-narrow { max-width: var(--max-w-narrow); margin: 0 auto; padding: 0 24px; }

/* ---------- Hero ---------- */
.hero {
  padding: 72px 24px 56px;
  text-align: center;
}
.eyebrow {
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 1.8px;
  text-transform: uppercase;
  color: var(--indigo);
  margin-bottom: 18px;
}
.hero h1 {
  font-size: clamp(34px, 5.5vw, 54px);
  font-weight: 700;
  letter-spacing: -1.2px;
  line-height: 1.08;
  max-width: 16ch;
  margin: 0 auto 22px;
  color: var(--ink-900);
}
.hero h1 .accent { color: var(--indigo); }
.hero-body {
  font-size: 17px;
  line-height: 1.65;
  color: var(--ink-700);
  max-width: 56ch;
  margin: 0 auto 30px;
}
.hero-cta-row {
  display: flex;
  gap: 14px;
  justify-content: center;
  align-items: center;
  flex-wrap: wrap;
}
.btn-primary {
  background: var(--indigo);
  color: #fff !important;
  padding: 14px 26px;
  border-radius: 10px;
  font-weight: 600;
  font-size: 15px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  box-shadow: var(--shadow-md);
}
.btn-primary:hover { background: var(--indigo-darker); text-decoration: none; }
.btn-ghost {
  color: var(--ink-700) !important;
  padding: 14px 18px;
  font-weight: 500;
  font-size: 15px;
}
.btn-ghost:hover { color: var(--indigo) !important; text-decoration: none; }

/* Brand promise pills under hero */
.promise-row {
  display: flex;
  justify-content: center;
  gap: 28px;
  margin-top: 38px;
  flex-wrap: wrap;
  font-size: 14px;
  color: var(--ink-500);
  font-weight: 500;
}
.promise-pill { display: inline-flex; align-items: center; gap: 7px; }
.promise-pill svg { color: var(--teal); }

/* ---------- Sections ---------- */
section { padding: 64px 0; }
.section-head { text-align: center; margin-bottom: 44px; }
.section-head .eyebrow { color: var(--ink-500); }
.section-head h2 {
  font-size: clamp(26px, 3.5vw, 36px);
  font-weight: 700;
  letter-spacing: -0.6px;
  line-height: 1.2;
  max-width: 22ch;
  margin: 0 auto 12px;
  color: var(--ink-900);
}
.section-head .lede {
  font-size: 16px;
  color: var(--ink-700);
  max-width: 58ch;
  margin: 0 auto;
}

/* ---------- Feature grid ---------- */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 18px;
}
.feature-card {
  background: var(--card);
  border: 1px solid var(--hairline);
  border-radius: 14px;
  padding: 24px;
  transition: transform 0.18s ease, box-shadow 0.18s ease;
}
.feature-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}
.feature-icon {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: var(--indigo-soft);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 14px;
}
.feature-icon.teal { background: var(--teal-soft); }
.feature-icon.amber { background: var(--amber-soft); }
.feature-icon svg { width: 20px; height: 20px; color: var(--indigo); }
.feature-icon.teal svg { color: var(--teal); }
.feature-icon.amber svg { color: var(--amber); }
.feature-card h3 {
  font-size: 17px;
  font-weight: 700;
  letter-spacing: -0.2px;
  margin: 0 0 6px;
  color: var(--ink-900);
}
.feature-card p {
  font-size: 14px;
  line-height: 1.55;
  color: var(--ink-700);
  margin: 0;
}

/* ---------- How it works (3 steps) ---------- */
.steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 28px;
  margin-top: 12px;
}
.step {
  background: var(--card);
  border: 1px solid var(--hairline);
  border-radius: 14px;
  padding: 28px 24px;
}
.step-num {
  font-family: var(--mono);
  font-size: 36px;
  font-weight: 700;
  color: var(--indigo);
  line-height: 1;
  margin-bottom: 12px;
}
.step h3 {
  font-size: 18px;
  font-weight: 700;
  letter-spacing: -0.2px;
  margin: 0 0 8px;
  color: var(--ink-900);
}
.step p {
  font-size: 14.5px;
  line-height: 1.6;
  color: var(--ink-700);
  margin: 0;
}
.step p b { color: var(--ink-900); font-weight: 600; }

/* ---------- Founder note ---------- */
.founder-note {
  background: var(--card);
  border: 1px solid var(--hairline);
  border-radius: 14px;
  padding: 36px 32px;
  max-width: var(--max-w-narrow);
  margin: 0 auto;
}
.founder-note p {
  font-size: 16px;
  line-height: 1.7;
  color: var(--ink-700);
  margin: 0 0 14px;
}
.founder-note p:last-child { margin-bottom: 0; }
.founder-note p b { color: var(--ink-900); font-weight: 600; }
.founder-sig {
  margin-top: 24px;
  font-size: 13px;
  color: var(--ink-500);
  font-style: italic;
}

/* ---------- Privacy callout (bg-tinted) ---------- */
.callout-band {
  background: var(--teal-soft);
  padding: 56px 24px;
  text-align: center;
}
.callout-band h2 {
  font-size: clamp(22px, 3vw, 30px);
  font-weight: 700;
  letter-spacing: -0.4px;
  margin: 0 0 14px;
  color: var(--ink-900);
}
.callout-band p {
  font-size: 16px;
  line-height: 1.65;
  color: var(--ink-700);
  max-width: 58ch;
  margin: 0 auto;
}

/* ---------- Footer ---------- */
footer.site-footer {
  background: var(--surface-raised);
  border-top: 1px solid var(--hairline);
  padding: 44px 24px 28px;
  margin-top: 36px;
}
.footer-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: flex-start;
}
.footer-brand { display: flex; align-items: center; gap: 10px; font-weight: 700; color: var(--ink-900); }
.footer-brand .nav-logo { width: 26px; height: 26px; }
.footer-brand .loop-accent { color: var(--teal); }
.footer-links {
  display: flex;
  gap: 22px;
  flex-wrap: wrap;
  font-size: 14px;
  font-weight: 500;
}
.footer-links a { color: var(--ink-700); }
.footer-links a:hover { color: var(--indigo); text-decoration: none; }
.footer-legal {
  width: 100%;
  margin-top: 22px;
  padding-top: 18px;
  border-top: 1px solid var(--hairline);
  font-size: 12.5px;
  color: var(--ink-500);
  text-align: center;
}

/* ---------- Legal pages (privacy / terms) ---------- */
.legal-page {
  padding: 48px 24px 24px;
}
.legal-hero {
  max-width: var(--max-w-narrow);
  margin: 0 auto 30px;
  text-align: center;
}
.legal-hero h1 {
  font-size: clamp(28px, 4vw, 40px);
  font-weight: 700;
  letter-spacing: -0.7px;
  margin: 0 0 10px;
  color: var(--ink-900);
}
.legal-hero .legal-meta {
  font-size: 13px;
  color: var(--ink-500);
  font-family: var(--mono);
}
.legal-content {
  max-width: var(--max-w-narrow);
  margin: 0 auto;
  background: var(--card);
  border: 1px solid var(--hairline);
  border-radius: 14px;
  padding: 36px 32px;
}
.legal-content h2 {
  font-size: 20px;
  font-weight: 700;
  letter-spacing: -0.3px;
  color: var(--ink-900);
  margin: 36px 0 14px;
  padding-top: 18px;
  border-top: 1px solid var(--hairline);
}
.legal-content h2:first-of-type { border-top: 0; padding-top: 0; margin-top: 0; }
.legal-content h3 {
  font-size: 16px;
  font-weight: 700;
  color: var(--ink-900);
  margin: 22px 0 8px;
}
.legal-content p {
  font-size: 15px;
  line-height: 1.65;
  color: var(--ink-700);
  margin: 0 0 14px;
}
.legal-content ul, .legal-content ol {
  margin: 0 0 16px 22px;
  padding: 0;
}
.legal-content li {
  font-size: 15px;
  line-height: 1.65;
  color: var(--ink-700);
  margin-bottom: 8px;
}
.legal-content strong, .legal-content b { color: var(--ink-900); }
.legal-content a { color: var(--indigo); text-decoration: underline; }
.legal-content .callout {
  background: var(--indigo-soft);
  border-left: 3px solid var(--indigo);
  padding: 16px 18px;
  margin: 18px 0;
  border-radius: 8px;
  font-size: 14.5px;
  line-height: 1.6;
  color: var(--ink-700);
}
.legal-content .callout-success {
  background: var(--teal-soft);
  border-left-color: var(--teal);
}
.legal-content .callout-warn {
  background: var(--amber-soft);
  border-left-color: var(--amber);
}
.legal-content .contact-box {
  background: var(--surface-raised);
  border: 1px solid var(--hairline);
  padding: 18px 20px;
  border-radius: 10px;
  margin: 18px 0;
}
.legal-content .contact-box p { margin: 4px 0; }