/* ==========================================================================
   Senders landing — Cordillera Moderna (dark default + light opcional)
   Tokens espejados de src/theme/colors.ts en la app móvil.
   ========================================================================== */

:root {
  --bg-canvas: #0E0E10;
  --bg-surface: #1A1A1D;
  --bg-surface-raised: #242428;
  --border-subtle: #1F1F22;
  --border-default: #2A2A2E;
  --fg-primary: #F7F7F4;
  --fg-secondary: #A1A1A6;
  --fg-tertiary: #8D8D94;
  --accent: #C82333;
  --accent-hover: #E63946;
  --accent-subtle: rgba(200, 35, 51, 0.16);
  --on-accent: #FFFFFF;

  --max-width: 1120px;
  --gutter: 24px;

  --font-display: 'Space Grotesk', system-ui, sans-serif;
  --font-body: 'Inter', system-ui, sans-serif;

  color-scheme: dark;
}

:root[data-theme="light"] {
  --bg-canvas: #F7F7F4;
  --bg-surface: #FFFFFF;
  --bg-surface-raised: #FCFCFA;
  --border-subtle: #EFEFEA;
  --border-default: #E5E5E0;
  --fg-primary: #111113;
  --fg-secondary: #5C5C60;
  --fg-tertiary: #6B6B72;
  --accent: #C82333;
  --accent-hover: #A81B2A;
  --accent-subtle: rgba(200, 35, 51, 0.12);
  --on-accent: #FFFFFF;

  color-scheme: light;
}

* {
  box-sizing: border-box;
}

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg-canvas);
  color: var(--fg-primary);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  transition: background-color 200ms ease, color 200ms ease;
}

/* ==========================================================================
   TOP CONTROLS (lang switcher + theme toggle)
   ========================================================================== */

.top-controls {
  position: fixed;
  top: 16px;
  right: 16px;
  z-index: 10;
  display: flex;
  align-items: center;
  gap: 8px;
}

.lang-switcher {
  display: inline-flex;
  align-items: center;
  padding: 4px;
  gap: 2px;
  border: 1px solid var(--border-default);
  border-radius: 999px;
  background: var(--bg-surface);
  font-family: var(--font-display);
}

.lang-switcher a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 34px;
  height: 28px;
  padding: 0 8px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.06em;
  color: var(--fg-tertiary);
  text-decoration: none;
  transition: color 160ms ease, background-color 160ms ease;
  -webkit-tap-highlight-color: transparent;
}

.lang-switcher a:hover {
  color: var(--fg-primary);
}

.lang-switcher a[aria-current="page"] {
  background: var(--accent);
  color: var(--on-accent);
}

.theme-toggle {
  width: 36px;
  height: 36px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0;
  border: 1px solid var(--border-default);
  border-radius: 999px;
  background: var(--bg-surface);
  color: var(--fg-secondary);
  cursor: pointer;
  transition: color 160ms ease, border-color 160ms ease, background-color 200ms ease;
  -webkit-tap-highlight-color: transparent;
}

.theme-toggle:hover {
  color: var(--fg-primary);
  border-color: var(--accent);
}

.theme-toggle:focus-visible,
.lang-switcher a:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.theme-toggle .icon-sun { display: none; }
.theme-toggle .icon-moon { display: block; }

:root[data-theme="light"] .theme-toggle .icon-sun { display: block; }
:root[data-theme="light"] .theme-toggle .icon-moon { display: none; }

@media (max-width: 480px) {
  .top-controls {
    top: 12px;
    right: 12px;
    gap: 6px;
  }
  .lang-switcher a {
    min-width: 30px;
    padding: 0 6px;
    font-size: 11px;
  }
}

a {
  color: inherit;
  text-decoration: underline;
  text-decoration-color: var(--border-default);
  text-underline-offset: 3px;
  transition: text-decoration-color 160ms ease;
}

a:hover {
  text-decoration-color: var(--accent);
}

/* ==========================================================================
   HERO
   ========================================================================== */

.hero {
  min-height: 100vh;
  padding: 64px var(--gutter);
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  background:
    radial-gradient(circle at 50% 30%, rgba(200, 35, 51, 0.10), transparent 60%),
    var(--bg-canvas);
}

.hero-inner {
  max-width: 720px;
}

.hero-lockup {
  width: 200px;
  height: auto;
  display: block;
  margin: 0 auto 32px;
}

.hero-tagline {
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(40px, 7vw, 64px);
  line-height: 1.05;
  letter-spacing: -0.02em;
}

.hero-strap {
  margin: 0 auto 40px;
  max-width: 540px;
  font-size: clamp(17px, 2vw, 20px);
  color: var(--fg-secondary);
  line-height: 1.5;
}

.hero-status {
  margin: 0;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 8px 16px;
  border-radius: 999px;
  border: 1px solid var(--border-default);
  background: var(--bg-surface);
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 13px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--fg-secondary);
}

.hero-status .dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--accent);
  animation: pulse 2.4s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(0.85); }
}

/* ==========================================================================
   FEATURES
   ========================================================================== */

.features {
  padding: 96px var(--gutter);
  background: var(--bg-canvas);
}

.features-inner {
  max-width: var(--max-width);
  margin: 0 auto;
}

.section-eyebrow {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 13px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--fg-tertiary);
  margin-bottom: 12px;
}

.section-title {
  margin: 0 0 56px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(32px, 4.5vw, 44px);
  line-height: 1.1;
  letter-spacing: -0.02em;
  max-width: 600px;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1px;
  background: var(--border-subtle);
  border: 1px solid var(--border-subtle);
  border-radius: 16px;
  overflow: hidden;
}

.feature {
  background: var(--bg-canvas);
  padding: 32px 28px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.feature-icon {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  background: var(--accent-subtle);
  color: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
}

.feature-title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 18px;
  line-height: 1.3;
  letter-spacing: -0.01em;
}

.feature-body {
  margin: 0;
  font-size: 15px;
  line-height: 1.55;
  color: var(--fg-secondary);
}

/* ==========================================================================
   STORES
   ========================================================================== */

.stores {
  padding: 96px var(--gutter);
  background:
    linear-gradient(180deg, var(--bg-canvas) 0%, var(--bg-surface) 100%);
  text-align: center;
}

.stores-inner {
  max-width: 640px;
  margin: 0 auto;
}

.stores-title {
  margin-left: auto;
  margin-right: auto;
  margin-bottom: 20px;
  text-align: center;
}

.stores-body {
  margin: 0 auto 40px;
  font-size: 17px;
  color: var(--fg-secondary);
}

.store-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  justify-content: center;
}

.store-badge {
  display: inline-flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 2px;
  padding: 14px 24px;
  background: var(--bg-surface);
  border: 1px solid var(--border-default);
  border-radius: 14px;
  font-family: var(--font-display);
  cursor: not-allowed;
  opacity: 0.85;
}

.store-badge-small {
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--fg-tertiary);
  font-weight: 500;
}

.store-badge-name {
  font-size: 18px;
  font-weight: 600;
  color: var(--fg-primary);
}

/* ==========================================================================
   FOOTER
   ========================================================================== */

.footer {
  padding: 56px var(--gutter) 40px;
  background: var(--bg-surface);
  border-top: 1px solid var(--border-default);
}

.footer-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  display: grid;
  gap: 32px;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 16px;
}

.footer-mark {
  border-radius: 10px;
}

.footer-title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 18px;
}

.footer-by {
  margin: 2px 0 0;
  font-size: 14px;
  color: var(--fg-secondary);
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
  font-size: 14px;
}

.footer-meta {
  margin: 0;
  font-size: 13px;
  color: var(--fg-tertiary);
  line-height: 1.6;
}

/* ==========================================================================
   RESPONSIVE
   ========================================================================== */

@media (min-width: 720px) {
  .footer-inner {
    grid-template-columns: 1fr auto;
    align-items: center;
  }

  .footer-meta {
    grid-column: 1 / -1;
    padding-top: 24px;
    border-top: 1px solid var(--border-default);
  }
}

@media (prefers-reduced-motion: reduce) {
  .hero-status .dot {
    animation: none;
  }
}