/* ExitCall — exitcall.app */

:root {
  --color-bg: #ffffff;
  --color-text: #1a1a1a;
  --color-text-secondary: #6b7280;
  --color-accent: #007aff;
  --color-accent-hover: #0056cc;
  --color-surface: #f5f5f7;
  --color-border: #e5e7eb;
  --max-width: 960px;
  --font: -apple-system, BlinkMacSystemFont, 'SF Pro Display', 'Segoe UI', Roboto, sans-serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--font);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--color-accent); text-decoration: none; }
a:hover { color: var(--color-accent-hover); }

/* — Header / Nav — */
.site-header {
  position: sticky;
  top: 0;
  background: rgba(255,255,255,0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
  z-index: 100;
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 56px;
}

.site-logo {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-text);
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 8px;
}

.site-logo img {
  width: 32px;
  height: 32px;
  border-radius: 8px;
}

.site-nav { display: flex; gap: 24px; font-size: 0.9rem; }
.site-nav a { color: var(--color-text-secondary); }
.site-nav a:hover { color: var(--color-text); }

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

/* — Hero — */
.hero {
  text-align: center;
  padding: 80px 24px 64px;
}

.hero-icon {
  border-radius: 24px;
  box-shadow: 0 8px 32px rgba(0,0,0,0.1);
  margin-bottom: 24px;
}

.hero h1 {
  font-size: clamp(2rem, 5vw, 3.2rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.15;
  margin-bottom: 16px;
}

.hero .subtitle {
  font-size: clamp(1rem, 2.5vw, 1.25rem);
  color: var(--color-text-secondary);
  max-width: 540px;
  margin: 0 auto 32px;
  line-height: 1.6;
}

.app-store-badge {
  display: inline-block;
  transition: opacity 0.2s;
}
.app-store-badge:hover { opacity: 0.8; }
.app-store-badge img { height: 54px; }

/* — Features — */
.features {
  padding: 64px 0;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 32px;
}

.feature-card {
  background: var(--color-surface);
  border-radius: 16px;
  padding: 32px;
}

.feature-icon {
  font-size: 2rem;
  margin-bottom: 12px;
}

.feature-card h3 {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 8px;
}

.feature-card p {
  color: var(--color-text-secondary);
  font-size: 0.95rem;
}

/* — How it works — */
.how-it-works {
  padding: 64px 0;
  text-align: center;
}

.how-it-works h2 {
  font-size: 1.8rem;
  font-weight: 700;
  margin-bottom: 40px;
}

.steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 32px;
  max-width: 720px;
  margin: 0 auto;
}

.step-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--color-accent);
  color: #fff;
  font-weight: 700;
  font-size: 1.1rem;
  margin-bottom: 12px;
}

.step h3 {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 6px;
}

.step p {
  color: var(--color-text-secondary);
  font-size: 0.9rem;
}

/* — CTA — */
.cta-section {
  text-align: center;
  padding: 64px 24px;
  background: var(--color-surface);
  border-radius: 24px;
  margin: 0 24px 64px;
  max-width: calc(var(--max-width) - 48px);
  margin-left: auto;
  margin-right: auto;
}

.cta-section h2 {
  font-size: 1.6rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.cta-section p {
  color: var(--color-text-secondary);
  margin-bottom: 24px;
}

/* — Footer — */
.site-footer {
  border-top: 1px solid var(--color-border);
  padding: 32px 0;
  text-align: center;
  color: var(--color-text-secondary);
  font-size: 0.85rem;
}

.footer-links {
  display: flex;
  justify-content: center;
  gap: 24px;
  margin-bottom: 12px;
  flex-wrap: wrap;
}

.footer-links a { color: var(--color-text-secondary); }
.footer-links a:hover { color: var(--color-text); }

/* — Legal / Content pages — */
.page-content {
  max-width: 640px;
  margin: 0 auto;
  padding: 40px 24px 80px;
}

.page-content h1 {
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.page-content .meta {
  color: var(--color-text-secondary);
  margin-bottom: 32px;
  font-size: 0.9rem;
}

.page-content h2 {
  font-size: 1.15rem;
  font-weight: 600;
  margin-top: 32px;
  margin-bottom: 8px;
}

.page-content p, .page-content li {
  color: var(--color-text-secondary);
  margin-bottom: 12px;
}

.page-content ul {
  padding-left: 20px;
}

.page-content a { color: var(--color-accent); }

/* — Language Switcher — */
.lang-switch {
  appearance: none;
  -webkit-appearance: none;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 6px;
  padding: 4px 24px 4px 8px;
  font-size: 0.8rem;
  color: var(--color-text-secondary);
  cursor: pointer;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='%236b7280' viewBox='0 0 16 16'%3E%3Cpath d='M8 11L3 6h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 6px center;
  font-family: var(--font);
}
.lang-switch:hover { border-color: var(--color-accent); color: var(--color-text); }

/* — RTL Support — */
html[dir="rtl"] { direction: rtl; text-align: right; }
html[dir="rtl"] .site-header .container { flex-direction: row-reverse; }
html[dir="rtl"] .site-nav { flex-direction: row-reverse; }
html[dir="rtl"] .footer-links { flex-direction: row-reverse; }
html[dir="rtl"] .site-logo { flex-direction: row-reverse; }
html[dir="rtl"] .feature-card { text-align: right; }
html[dir="rtl"] .page-content ul { padding-left: 0; padding-right: 20px; }
html[dir="rtl"] .lang-switch {
  background-position: left 6px center;
  padding: 4px 8px 4px 24px;
}

/* — From-app mode: hide language switcher — */
body.from-app .lang-switch { display: none; }
body.from-app .app-store-badge { display: none; }

/* — Dark Mode — */
@media (prefers-color-scheme: dark) {
  :root {
    --color-bg: #1a1a1a;
    --color-text: #f5f5f7;
    --color-text-secondary: #9ca3af;
    --color-accent: #64b5f6;
    --color-accent-hover: #90caf9;
    --color-surface: #2a2a2a;
    --color-border: #3a3a3a;
  }

  .site-header {
    background: rgba(26,26,26,0.85);
  }

  .site-logo { color: var(--color-text); }

  .lang-switch {
    background: var(--color-surface);
    border-color: var(--color-border);
    color: var(--color-text-secondary);
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='%239ca3af' viewBox='0 0 16 16'%3E%3Cpath d='M8 11L3 6h10z'/%3E%3C/svg%3E");
  }
}

/* — Responsive — */
@media (max-width: 600px) {
  .hero { padding: 56px 16px 48px; }
  .features { padding: 40px 0; }
  .how-it-works { padding: 40px 0; }
  .site-header .container {
    flex-wrap: wrap;
    height: auto;
    padding-top: 10px;
    padding-bottom: 10px;
    gap: 4px;
  }
  .site-nav { gap: 12px; flex-wrap: wrap; width: 100%; justify-content: flex-start; }
  .page-content { padding: 32px 16px 64px; }
  .cta-section { margin: 0 16px 48px; padding: 40px 16px; }
  .lang-switch { font-size: 0.75rem; }
}