/* Voxway public site — shared responsive stylesheet (mobile-first).
   Brand palette mirrors the approved privacy-policy.en.html document. */

:root {
  --brand: #0e7490;
  --brand-dark: #155e75;
  --brand-soft: #e0f2fe;
  --ink: #1f2937;
  --muted: #6b7280;
  --line: #e5e7eb;
  --bg-soft: #f8fafc;
  --surface: #ffffff;
  --focus: #0ea5e9;
}

* {
  box-sizing: border-box;
}

html {
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--ink);
  line-height: 1.6;
  background: var(--surface);
  -webkit-font-smoothing: antialiased;
}

a {
  color: var(--brand-dark);
}

a:hover {
  color: var(--brand);
}

/* Visible, consistent keyboard focus everywhere (FR-012). */
:focus-visible {
  outline: 3px solid var(--focus);
  outline-offset: 2px;
  border-radius: 4px;
}

.skip-link {
  position: absolute;
  left: 8px;
  top: 8px;
  z-index: 100;
  padding: 8px 14px;
  background: var(--brand-dark);
  color: #fff;
  border-radius: 6px;
  transform: translateY(-200%);
}

.skip-link:focus {
  transform: translateY(0);
}

/* ---------- Layout ---------- */

.site-header {
  border-bottom: 1px solid var(--line);
  background: var(--surface);
}

.site-header__inner {
  max-width: 1080px;
  margin: 0 auto;
  padding: 12px 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}

.brand {
  font-size: 20px;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--brand-dark);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.brand__dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--brand);
  display: inline-block;
}

.site-nav {
  display: flex;
  gap: 4px;
  flex-wrap: wrap;
}

.site-nav a {
  padding: 6px 10px;
  border-radius: 6px;
  text-decoration: none;
  color: var(--ink);
  font-weight: 500;
}

.site-nav a:hover {
  background: var(--brand-soft);
  color: var(--brand-dark);
}

.site-main {
  max-width: 1080px;
  margin: 0 auto;
  padding: 24px 16px 64px;
}

.site-footer {
  border-top: 1px solid var(--line);
  background: var(--bg-soft);
  margin-top: 48px;
}

.site-footer__inner {
  max-width: 1080px;
  margin: 0 auto;
  padding: 24px 16px;
  display: flex;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  color: var(--muted);
  font-size: 14px;
}

.site-footer nav {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

/* ---------- Hero (landing) ---------- */

.hero {
  text-align: center;
  padding: 32px 0 40px;
}

.hero h1 {
  font-size: clamp(30px, 6vw, 52px);
  line-height: 1.1;
  letter-spacing: -0.03em;
  margin: 0 0 16px;
}

.hero .lead {
  font-size: 18px;
  line-height: 1.7;
  color: var(--ink);
  max-width: 640px;
  margin: 0 auto 24px;
}

.hero .cta {
  display: inline-flex;
  gap: 12px;
  flex-wrap: wrap;
  justify-content: center;
}

/* ---------- Buttons & badges ---------- */

.btn {
  display: inline-block;
  padding: 12px 20px;
  border-radius: 999px;
  background: var(--brand-dark);
  color: #fff;
  text-decoration: none;
  font-weight: 600;
}

.btn:hover {
  background: var(--brand);
  color: #fff;
}

.btn--ghost {
  background: transparent;
  color: var(--brand-dark);
  border: 1px solid var(--brand-dark);
}

.btn--ghost:hover {
  background: var(--brand-soft);
  color: var(--brand-dark);
}

/* ---------- Screenshots ---------- */

.screenshots {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
  gap: 16px;
  margin: 32px 0;
}

.screenshots img {
  width: 100%;
  height: auto;
  border-radius: 16px;
  border: 1px solid var(--line);
  box-shadow: 0 8px 24px rgba(15, 23, 42, 0.08);
}

/* ---------- Forms (support) ---------- */

.form-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 24px;
  max-width: 560px;
  margin: 24px auto;
}

.form-field {
  margin-bottom: 18px;
}

.form-field label {
  display: block;
  font-weight: 600;
  margin-bottom: 6px;
}

.form-field .required {
  color: var(--brand-dark);
}

.form-field input,
.form-field textarea {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  font: inherit;
  color: var(--ink);
}

.form-field input:focus-visible,
.form-field textarea:focus-visible {
  outline: 3px solid var(--focus);
  outline-offset: 1px;
}

.form-field .error {
  color: #b91c1c;
  font-size: 14px;
  margin-top: 4px;
  min-height: 1.2em;
}

.form-status {
  border-radius: 8px;
  padding: 12px 16px;
  margin-bottom: 16px;
  font-weight: 500;
}

.form-status--success {
  background: #dcfce7;
  color: #14532d;
}

.form-status--error {
  background: #fee2e2;
  color: #7f1d1d;
}

[hidden] {
  display: none !important;
}

/* ---------- Download cards ---------- */

.download-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 16px;
  margin: 24px 0;
}

.download-card {
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 24px;
  text-align: center;
}

.download-card h2 {
  margin-top: 0;
}

/* ---------- Legal content ---------- */

.legal {
  max-width: 800px;
  margin: 0 auto;
}

.legal h1 {
  font-size: 28px;
  letter-spacing: -0.02em;
}

.legal h2 {
  font-size: 20px;
  margin-top: 28px;
}

.legal .meta {
  color: var(--muted);
  font-size: 14px;
  margin-bottom: 24px;
}

/* Embedded legal body (tables, TOC, callouts, cards, footer). */

.legal table {
  width: 100%;
  border-collapse: collapse;
  margin: 20px 0;
  font-size: 15px;
}

.legal th,
.legal td {
  border: 1px solid var(--line);
  padding: 10px 12px;
  text-align: left;
  vertical-align: top;
}

.legal th {
  background: var(--bg-soft);
}

.legal .toc {
  background: var(--bg-soft);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 16px 20px;
  margin: 20px 0;
}

.legal .toc ol {
  margin: 8px 0 0;
  padding-left: 20px;
}

.legal .callout {
  background: var(--brand-soft);
  border-left: 4px solid var(--brand);
  border-radius: 0 8px 8px 0;
  padding: 14px 16px;
  margin: 20px 0;
}

.legal .card {
  background: var(--bg-soft);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 16px 20px;
  margin: 20px 0;
}

.legal footer {
  border-top: 1px solid var(--line);
  margin-top: 32px;
  padding-top: 16px;
  color: var(--muted);
  font-size: 14px;
}

/* ---------- Responsive ---------- */

@media (min-width: 768px) {
  .site-main {
    padding: 40px 32px 80px;
  }

  .site-header__inner,
  .site-footer__inner {
    padding-left: 32px;
    padding-right: 32px;
  }

  .hero {
    padding: 56px 0 48px;
  }

  .screenshots {
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
}