/* =====================================================================
 *  Public pages — homepage, privacy, terms, contact, data-deletion
 *  Self-contained: doesn't depend on the app's styles.css
 * ===================================================================== */

:root {
  --blue:        #155EEF;
  --blue-dark:   #0E47BD;
  --blue-soft:   #EEF4FF;
  --ink:         #0F172A;
  --ink-2:       #334155;
  --ink-3:       #475569;
  --muted:       #64748B;
  --line:        #E2E8F0;
  --bg:          #F8FAFC;
  --card:        #FFFFFF;
  --green:       #16A34A;
  --max:         1080px;
}
*  { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: 'Inter', system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--blue); text-decoration: none; }
a:hover { text-decoration: underline; }
img { max-width: 100%; }

/* ---- shared header / footer --------------------------------------- */
.site-header {
  background: #fff;
  border-bottom: 1px solid var(--line);
  position: sticky; top: 0; z-index: 10;
}
.nav {
  max-width: var(--max);
  margin: 0 auto;
  padding: 14px 24px;
  display: flex;
  align-items: center;
  gap: 24px;
}
.brand {
  display: flex; align-items: center; gap: 10px;
  font-weight: 700; font-size: 17px; color: var(--ink);
}
.brand .logo {
  width: 30px; height: 30px;
  background: var(--blue);
  border-radius: 8px;
  display: grid; place-items: center;
  color: #fff; font-weight: 800;
}
.nav-links {
  display: flex; gap: 22px; margin-left: auto;
  font-size: 14px; font-weight: 500;
}
.nav-links a { color: var(--ink-2); }
.nav-links a:hover { color: var(--blue); text-decoration: none; }
.nav-cta {
  background: var(--blue); color: #fff;
  padding: 8px 16px; border-radius: 8px;
  font-weight: 600; font-size: 14px;
}
.nav-cta:hover { background: var(--blue-dark); text-decoration: none; }

.site-footer {
  background: #fff;
  border-top: 1px solid var(--line);
  margin-top: 64px;
  padding: 40px 24px 24px;
}
.foot-grid {
  max-width: var(--max);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 32px;
}
.foot-grid h4 {
  font-size: 12px; text-transform: uppercase; letter-spacing: 0.6px;
  color: var(--muted); margin: 0 0 12px;
}
.foot-grid ul { list-style: none; padding: 0; margin: 0; }
.foot-grid li { margin-bottom: 6px; }
.foot-grid a { color: var(--ink-2); font-size: 14px; }
.foot-bottom {
  max-width: var(--max);
  margin: 32px auto 0;
  padding-top: 20px;
  border-top: 1px solid var(--line);
  color: var(--muted); font-size: 13px;
  display: flex; justify-content: space-between; flex-wrap: wrap; gap: 8px;
}

/* ---- homepage ----------------------------------------------------- */
.hero {
  max-width: var(--max);
  margin: 0 auto;
  padding: 72px 24px 56px;
  text-align: center;
}
.hero h1 {
  font-size: 44px; line-height: 1.15; margin: 0 0 18px;
  font-weight: 800;
  letter-spacing: -0.5px;
}
.hero p {
  font-size: 18px; color: var(--ink-3);
  max-width: 680px; margin: 0 auto 28px;
}
.hero-ctas {
  display: flex; gap: 12px; justify-content: center;
}
.btn-primary {
  background: var(--blue); color: #fff;
  padding: 12px 24px; border-radius: 10px;
  font-weight: 600; font-size: 15px;
}
.btn-primary:hover { background: var(--blue-dark); text-decoration: none; }
.btn-ghost {
  background: #fff; color: var(--ink);
  padding: 12px 24px; border-radius: 10px;
  font-weight: 600; font-size: 15px;
  border: 1px solid var(--line);
}
.btn-ghost:hover { border-color: var(--ink-3); text-decoration: none; }

.features {
  max-width: var(--max);
  margin: 0 auto;
  padding: 40px 24px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.feature {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 24px;
}
.feature .ic {
  width: 40px; height: 40px;
  background: var(--blue-soft);
  border-radius: 10px;
  display: grid; place-items: center;
  color: var(--blue); font-size: 20px; font-weight: 700;
  margin-bottom: 14px;
}
.feature h3 { margin: 0 0 6px; font-size: 16px; font-weight: 600; }
.feature p  { margin: 0; color: var(--ink-3); font-size: 14px; }

.use-cases {
  max-width: var(--max);
  margin: 24px auto;
  padding: 0 24px;
}
.use-cases h2 {
  font-size: 22px; margin: 0 0 16px; font-weight: 700;
}
.use-grid {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px;
}
.use {
  background: var(--card); border: 1px solid var(--line);
  border-radius: 10px; padding: 14px;
  font-size: 14px; color: var(--ink-2);
}
.use b { display: block; color: var(--ink); margin-bottom: 4px; font-size: 13.5px; }

/* ---- legal / content pages --------------------------------------- */
.content {
  max-width: 820px;
  margin: 0 auto;
  padding: 48px 24px;
}
.content h1 {
  font-size: 34px; margin: 0 0 8px;
  font-weight: 800; letter-spacing: -0.4px;
}
.content .meta {
  color: var(--muted); font-size: 14px; margin-bottom: 36px;
}
.content h2 {
  font-size: 20px; font-weight: 700;
  margin: 36px 0 12px;
}
.content h3 {
  font-size: 16px; font-weight: 600;
  margin: 24px 0 8px;
}
.content p, .content li {
  font-size: 15px; color: var(--ink-2);
}
.content ul { padding-left: 22px; }
.content li { margin-bottom: 6px; }
.content code {
  background: var(--blue-soft); color: var(--blue);
  padding: 2px 6px; border-radius: 4px;
  font-size: 13px;
}
.content .box {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 20px 22px;
  margin: 20px 0;
}
.content .box.warn {
  background: #FFFBEB;
  border-color: #FCD34D;
}

/* ---- contact page ------------------------------------------------- */
.contact-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 20px;
  margin-top: 28px;
}
.contact-card {
  background: var(--card); border: 1px solid var(--line);
  border-radius: 12px; padding: 22px;
}
.contact-card h3 { margin: 0 0 12px; font-size: 16px; }
.contact-card p  { margin: 6px 0; font-size: 14px; color: var(--ink-2); }

/* ---- responsive --------------------------------------------------- */
@media (max-width: 800px) {
  .hero h1 { font-size: 32px; }
  .hero p { font-size: 16px; }
  .features, .use-grid, .foot-grid, .contact-grid {
    grid-template-columns: 1fr;
  }
  .nav { flex-wrap: wrap; gap: 12px; }
  .nav-links { flex-wrap: wrap; margin-left: 0; row-gap: 6px; gap: 14px; }
}

/* ---- phone refinements (added) ------------------------------------ */
@media (max-width: 480px) {
  .nav { padding: 12px 16px; }
  .nav-links { width: 100%; justify-content: flex-start; gap: 8px 16px; order: 3; }
  .nav-links a { display: inline-block; padding: 8px 4px; line-height: 1; }
  .nav-cta { order: 2; margin-left: auto; }
  /* hero: stack CTAs full-width so long labels never overflow */
  .hero { padding: 40px 20px 32px; }
  .hero h1 { font-size: 27px; line-height: 1.2; }
  .hero p { font-size: 15px; }
  .hero-ctas { flex-wrap: wrap; flex-direction: column; align-items: stretch; }
  .hero-ctas .btn-primary,
  .hero-ctas .btn-ghost { width: 100%; text-align: center; padding: 14px 20px; }
  /* legal / content pages: lighter gutters + type */
  .content { padding: 32px 18px; }
  .content h1 { font-size: 26px; }
  .content h2 { font-size: 18px; }
  .foot-bottom { justify-content: flex-start; }
}