/* AMV Landing – shared variables and layout (page-specific styles are in index.html) */

:root {
  --bg: #FFFFFF;
  --surface: #F6F8F9;
  --text: #0F172A;
  --muted: #475569;
  --border: #E2E8F0;
  --shadow: rgba(15, 23, 42, 0.08);
  --accent: #0FA3A8;
  --accent-hover: #0D8A8F;
  --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-weight-normal: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 600;
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2rem;
  --spacing-xl: 3rem;
  --spacing-2xl: 4rem;
  --container-max-width: 1400px;
  --border-radius: 0.5rem;
  --border-radius-lg: 1rem;
  --border-radius-xl: 1.5rem;
  --transition-fast: 150ms ease;
  --transition-base: 300ms ease;
  --transition-slow: 500ms ease;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0B0F14;
    --surface: #0F172A;
    --text: #E5E7EB;
    --muted: #9CA3AF;
    --border: #1E293B;
    --shadow: rgba(0, 0, 0, 0.3);
  }
}

[data-theme="light"] {
  --bg: #FFFFFF;
  --surface: #F6F8F9;
  --text: #0F172A;
  --muted: #475569;
  --border: #E2E8F0;
  --shadow: rgba(15, 23, 42, 0.08);
}

[data-theme="dark"] {
  --bg: #0B0F14;
  --surface: #0F172A;
  --text: #E5E7EB;
  --muted: #9CA3AF;
  --border: #1E293B;
  --shadow: rgb(48, 48, 48, 0.5);
}

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

html {
  scroll-behavior: smooth;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

body {
  font-family: var(--font-family);
  font-weight: var(--font-weight-normal);
  color: var(--text);
  background-color: var(--bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

.container {
  max-width: var(--container-max-width);
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

.section {
  padding: var(--spacing-2xl) 0;
}

.section-title {
  font-size: 2.5rem;
  font-weight: var(--font-weight-semibold);
  margin-bottom: var(--spacing-md);
  color: var(--text);
  text-align: center;
}

@media (max-width: 640px) {
  .section-title {
    font-size: 2rem;
  }
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.5rem;
  font-size: 1rem;
  font-weight: var(--font-weight-medium);
  border-radius: var(--border-radius);
  text-decoration: none;
  border: none;
  cursor: pointer;
  transition: all var(--transition-base);
  font-family: var(--font-family);
}

.btn-primary {
  background-color: var(--accent);
  color: white;
}

.btn-primary:hover {
  background-color: var(--accent-hover);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(15, 163, 168, 0.3);
}