/**
 * MahJoin website — design tokens and layout
 * Matches mobile/constants/colors.ts, typography.ts, spacing.ts
 */

:root {
  /* Primary - Warm Sage Green */
  --color-primary: #5B8A72;
  --color-primary-dark: #4A7360;
  --color-primary-light: #7BA492;
  --color-primary-muted: #E8F0EC;

  /* Secondary - Soft Rose */
  --color-secondary: #C4847C;
  --color-secondary-muted: #FAF0EE;

  /* Accent - Warm Gold */
  --color-accent: #C9A962;
  --color-accent-muted: #FCF8EE;

  /* Background and surface */
  --color-background: #FAF8F5;
  --color-surface: #FFFFFF;
  --color-surface-warm: #FDF9F3;

  /* Text */
  --color-text: #2D3330;
  --color-text-secondary: #4A524E;
  --color-text-tertiary: #6B746F;
  --color-text-inverse: #FFFFFF;

  /* Border and divider */
  --color-border: #E5DFD8;
  --color-border-light: #F0EBE5;
  --color-divider: #EDE7E0;

  /* Card shadow */
  --shadow-card: rgba(139, 120, 100, 0.08);
  --shadow-card-md: rgba(139, 120, 100, 0.10);
  --shadow-card-lg: rgba(139, 120, 100, 0.15);

  /* Typography - serif for headings (Georgia), sans for body */
  --font-serif: Georgia, "Times New Roman", serif;
  --font-sans: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;

  --text-h1: 2rem;      /* 32px */
  --text-h2: 1.75rem;   /* 28px */
  --text-h3: 1.5rem;    /* 24px */
  --text-h4: 1.25rem;  /* 20px */
  --text-body: 1.125rem;   /* 18px */
  --text-body-large: 1.25rem;
  --text-body-small: 1rem;
  --text-caption: 0.9375rem;
  --text-button: 1.125rem;

  --line-height-tight: 1.25;
  --line-height-body: 1.55;
  --line-height-relaxed: 1.6;

  /* Spacing */
  --space-xs: 6px;
  --space-sm: 12px;
  --space-md: 20px;
  --space-lg: 28px;
  --space-xl: 40px;
  --space-xxl: 56px;

  /* Border radius */
  --radius-sm: 12px;
  --radius-md: 16px;
  --radius-lg: 20px;
  --radius-xl: 28px;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: var(--text-body);
  line-height: var(--line-height-body);
  color: var(--color-text);
  background-color: var(--color-background);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* Skip link for keyboard/screen reader */
.skip-link {
  position: absolute;
  top: -100%;
  left: var(--space-md);
  z-index: 100;
  padding: var(--space-sm) var(--space-md);
  background: var(--color-primary);
  color: var(--color-text-inverse);
  font-weight: 600;
  text-decoration: none;
  border-radius: var(--radius-md);
  transition: top 0.2s;
}

.skip-link:focus {
  top: var(--space-md);
  outline: 2px solid var(--color-text-inverse);
  outline-offset: 2px;
}

/* Focus visible for keyboard users */
a:focus-visible,
button:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

/* Layout */
.site-header {
  background-color: var(--color-surface);
  border-bottom: 1px solid var(--color-border-light);
  padding: var(--space-md) var(--space-lg);
}

.site-header-inner {
  max-width: 960px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-md);
}

.logo-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  text-decoration: none;
  color: var(--color-text);
}

.logo-icon {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background-color: var(--color-primary-muted);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.75rem;
}

.logo-text {
  font-family: var(--font-serif);
  font-size: var(--text-h3);
  font-weight: 600;
  letter-spacing: -0.02em;
}

.nav-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  align-items: center;
  gap: var(--space-lg);
}

.nav-list a {
  color: var(--color-text-secondary);
  text-decoration: none;
  font-size: var(--text-body-small);
  font-weight: 500;
}

.nav-list a:hover {
  color: var(--color-primary);
}

.main {
  flex: 1;
  max-width: 960px;
  margin: 0 auto;
  width: 100%;
  padding: var(--space-xl) var(--space-lg);
}

.site-footer {
  background-color: var(--color-surface);
  border-top: 1px solid var(--color-border-light);
  padding: var(--space-xl) var(--space-lg);
  margin-top: auto;
}

.site-footer-inner {
  max-width: 960px;
  margin: 0 auto;
  text-align: center;
}

.footer-links {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: var(--space-sm);
  margin-bottom: var(--space-md);
}

.footer-links a {
  color: var(--color-text-secondary);
  text-decoration: none;
  font-size: var(--text-body-small);
}

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

.footer-legal {
  font-size: var(--text-caption);
  color: var(--color-text-tertiary);
}

/* Home page */
.hero {
  text-align: center;
  padding: var(--space-xxl) 0;
}

.hero-icon {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background-color: var(--color-primary-muted);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2.5rem;
  margin: 0 auto var(--space-lg);
}

.hero h1 {
  font-family: var(--font-serif);
  font-size: var(--text-h1);
  font-weight: 600;
  color: var(--color-text);
  margin: 0 0 var(--space-sm);
  letter-spacing: -0.01em;
}

.hero-tagline {
  font-size: var(--text-body-large);
  color: var(--color-text-secondary);
  margin: 0 0 var(--space-xl);
  max-width: 36em;
  margin-left: auto;
  margin-right: auto;
  line-height: var(--line-height-relaxed);
}

.card {
  background-color: var(--color-surface);
  border-radius: var(--radius-xl);
  padding: var(--space-xl);
  margin-bottom: var(--space-lg);
  box-shadow: 0 4px 16px var(--shadow-card-md);
  border: 1px solid var(--color-border);
}

.card h2 {
  font-family: var(--font-serif);
  font-size: var(--text-h3);
  font-weight: 600;
  color: var(--color-text);
  margin: 0 0 var(--space-md);
}

.card p {
  margin: 0 0 var(--space-md);
  color: var(--color-text-secondary);
}

.card p:last-child {
  margin-bottom: 0;
}

.support-email {
  font-weight: 600;
}

.support-email a {
  color: var(--color-primary);
  text-decoration: none;
}

.support-email a:hover {
  text-decoration: underline;
}

/* Buttons - match LargeButton */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-md) var(--space-xl);
  font-family: var(--font-sans);
  font-size: var(--text-button);
  font-weight: 600;
  letter-spacing: 0.02em;
  border-radius: var(--radius-lg);
  border: 2px solid transparent;
  cursor: pointer;
  text-decoration: none;
  transition: background-color 0.2s, border-color 0.2s, color 0.2s;
}

.btn-primary {
  background-color: var(--color-primary);
  border-color: var(--color-primary);
  color: var(--color-text-inverse);
}

.btn-primary:hover {
  background-color: var(--color-primary-dark);
  border-color: var(--color-primary-dark);
}

.btn-outline {
  background-color: transparent;
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.btn-outline:hover {
  background-color: var(--color-primary-muted);
}

.store-badges {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: var(--space-md);
  margin-top: var(--space-lg);
}

.store-badges-label {
  width: 100%;
  font-size: var(--text-caption);
  color: var(--color-text-tertiary);
  margin-bottom: var(--space-xs);
}

.store-badges .btn {
  min-width: 140px;
}

.btn-disabled {
  cursor: default;
  opacity: 0.85;
}

/* Features section - home page */
.features {
  margin-bottom: var(--space-xl);
}

.features-title {
  font-family: var(--font-serif);
  font-size: var(--text-h3);
  font-weight: 600;
  color: var(--color-text);
  margin: 0 0 var(--space-lg);
  text-align: center;
}

.features-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: var(--space-lg);
}

.feature-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-md);
  padding: var(--space-lg);
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  box-shadow: 0 2px 8px var(--shadow-card);
  font-size: var(--text-body);
  color: var(--color-text-secondary);
  line-height: var(--line-height-relaxed);
}

.feature-icon {
  flex-shrink: 0;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--color-primary-muted);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
}

.feature-item strong {
  color: var(--color-text);
}

.support-card {
  margin-bottom: 0;
}

/* Responsive: tighter hero and nav on small screens */
@media (max-width: 640px) {
  .hero {
    padding: var(--space-xl) 0;
  }

  .hero h1 {
    font-size: 1.75rem;
  }

  .hero-tagline {
    font-size: var(--text-body);
  }

  .site-header-inner {
    padding: 0;
  }

  .nav-list {
    gap: var(--space-md);
  }

  .main {
    padding: var(--space-lg) var(--space-md);
  }

  .feature-item {
    flex-direction: column;
    align-items: center;
    text-align: center;
  }
}

/* Legal pages */
.legal-page h1 {
  font-family: var(--font-serif);
  font-size: var(--text-h1);
  font-weight: 600;
  color: var(--color-text);
  margin: 0 0 var(--space-lg);
}

.legal-page .last-updated {
  font-size: var(--text-caption);
  color: var(--color-text-tertiary);
  margin-bottom: var(--space-xl);
}

.legal-page h2 {
  font-family: var(--font-serif);
  font-size: var(--text-h3);
  font-weight: 600;
  color: var(--color-text);
  margin: var(--space-xl) 0 var(--space-md);
}

.legal-page h2:first-of-type {
  margin-top: 0;
}

.legal-page p,
.legal-page li {
  color: var(--color-text-secondary);
  margin-bottom: var(--space-md);
}

.legal-page ul {
  padding-left: 1.5em;
  margin-bottom: var(--space-md);
}

.legal-page a {
  color: var(--color-primary);
  text-decoration: none;
}

.legal-page a:hover {
  text-decoration: underline;
}