/* CHADASH GLOBAL STYLESHEET — METALLIC THEME */

/* ========== ROOT VARIABLES ========== */
:root {
  /* GOLD PALETTE */
  --platinum-base: #D4AF37;
  --platinum-dark: #B8860B;
  --platinum-bright: #E8D7A7;

  /* SILVER PALETTE */
  --silver-pure: #C0C0C0;
  --silver-steel: #A8A8A8;
  --silver-mist: #E3E3E3;

  /* TEXT COLORS FOR CONTRAST */
  --text-secondary-light: #4A4A4A;
  --text-secondary-dark: #A8A8A8;

  /* PLATINUM PALETTE */
  --platinum-bright: #E5E4E2;
  --platinum-base: #D3D3D3;
  --platinum-dark: #B8B8B8;

  /* LIGHT MODE SPECIFIC ACCENT COLORS (DARKER FOR CONTRAST) */
  --platinum-light-mode: #757575;
  --platinum-light-mode-dark: #5A5A5A;

  /* LIGHT MODE */
  --light-bg: #FFFFFF;
  --light-surface: #F7F7F7;
  --light-surface-alt: #ECECEC;
  --light-text: #111111;

  /* DARK MODE */
  --dark-bg: #000000;
  --dark-surface: #0F0F0F;
  --dark-surface-alt: #121212;
  --dark-text: #EDEDED;

  /* SHADOWS */
  --shadow-light: 0 2px 8px rgba(0,0,0,0.10), 0 1px 3px rgba(0,0,0,0.08);
  --shadow-light-raised: 0 4px 12px rgba(0,0,0,0.12), 0 2px 6px rgba(0,0,0,0.10);
  --shadow-dark: 0 2px 8px rgba(0,0,0,0.55), 0 1px 3px rgba(0,0,0,0.45);
  --shadow-dark-raised: 0 4px 12px rgba(0,0,0,0.65), 0 2px 6px rgba(0,0,0,0.55);

  /* SPACING (MATERIAL STYLE) */
  --spacing-xs: 4px;
  --spacing-sm: 8px;
  --spacing-md: 16px;
  --spacing-lg: 24px;
  --spacing-xl: 32px;
  --spacing-xxl: 48px;
  --spacing-xxxl: 64px;
}

/* ========== LIGHT MODE (DEFAULT) ========== */
body {
  background: var(--light-bg);
  color: var(--light-text);
  margin: 0;
  padding: 0;
  font-family: 'Proxima Nova', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  line-height: 1.7;
  font-size: 16px;
  transition: background 0.3s ease, color 0.3s ease;
}

/* ========== DARK MODE ========== */
@media (prefers-color-scheme: dark) {
  body {
    background: var(--dark-bg);
    color: var(--dark-text);
  }

  .surface {
    background: var(--dark-surface);
    box-shadow: var(--shadow-dark);
  }

  .surface-raised {
    background: var(--dark-surface-alt);
    box-shadow: var(--shadow-dark-raised);
  }

  h1, h2, h3 {
    color: var(--platinum-base);
  }

  a {
    color: var(--silver-pure);
  }

  a:hover {
    color: var(--platinum-base);
  }

  .divider {
    background: var(--silver-steel);
  }
}

/* ========== TYPOGRAPHY ========== */
h1, h2, h3, h4, h5, h6 {
  margin: 0;
  padding: 0;
  font-weight: 700;
  letter-spacing: 0.02em;
}

h1 {
  font-size: 3.5rem;
  color: var(--platinum-light-mode);
  text-transform: uppercase;
  line-height: 1.1;
}

@media (prefers-color-scheme: dark) {
  h1 {
    color: var(--platinum-base);
  }
}

h2 {
  font-size: 2.5rem;
  color: var(--platinum-light-mode);
  line-height: 1.2;
}

@media (prefers-color-scheme: dark) {
  h2 {
    color: var(--platinum-base);
  }
}

h3 {
  font-size: 1.75rem;
  color: var(--platinum-light-mode-dark);
  line-height: 1.3;
}

@media (prefers-color-scheme: dark) {
  h3 {
    color: var(--platinum-dark);
  }
}

h4 {
  font-size: 1.25rem;
  color: var(--text-secondary-light);
  line-height: 1.4;
}

@media (prefers-color-scheme: dark) {
  h4 {
    color: var(--silver-steel);
  }
}

p {
  margin: 0 0 var(--spacing-md) 0;
  color: inherit;
}

a {
  color: var(--platinum-light-mode);
  text-decoration: none;
  transition: color 0.2s ease;
}

a:hover {
  color: var(--platinum-light-mode-dark);
}

@media (prefers-color-scheme: dark) {
  a {
    color: var(--platinum-base);
  }

  a:hover {
    color: var(--platinum-dark);
  }
}

/* ========== SURFACES & ELEVATION ========== */
.surface {
  background: var(--light-surface);
  padding: var(--spacing-lg);
  border-radius: 4px;
  box-shadow: var(--shadow-light);
  border: 1px solid var(--silver-mist);
}

@media (prefers-color-scheme: dark) {
  .surface {
    background: var(--dark-surface);
    box-shadow: var(--shadow-dark);
    border-color: var(--silver-steel);
  }
}

.surface-raised {
  background: var(--light-surface-alt);
  padding: var(--spacing-xl);
  border-radius: 6px;
  box-shadow: var(--shadow-light-raised);
  border: 1px solid var(--silver-pure);
}

@media (prefers-color-scheme: dark) {
  .surface-raised {
    background: var(--dark-surface-alt);
    box-shadow: var(--shadow-dark-raised);
    border-color: var(--silver-steel);
  }
}

/* ========== LAYOUT UTILITIES ========== */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
}

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

.flex {
  display: flex;
}

.flex-column {
  display: flex;
  flex-direction: column;
}

.flex-center {
  display: flex;
  justify-content: center;
  align-items: center;
}

.gap-sm { gap: var(--spacing-sm); }
.gap-md { gap: var(--spacing-md); }
.gap-lg { gap: var(--spacing-lg); }
.gap-xl { gap: var(--spacing-xl); }

/* ========== DIVIDERS ========== */
.divider {
  height: 1px;
  background: var(--silver-mist);
  border: none;
  margin: var(--spacing-xl) 0;
}

/* ========== BUTTONS & CALLS TO ACTION ========== */
.btn {
  display: inline-block;
  padding: var(--spacing-md) var(--spacing-xl);
  background: var(--platinum-light-mode);
  color: #FFFFFF;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border: none;
  border-radius: 4px;
  cursor: pointer;
  transition: all 0.3s ease;
  box-shadow: 0 2px 4px rgba(0,0,0,0.15);
}

.btn:hover {
  background: var(--platinum-light-mode-dark);
  color: #FFFFFF;
  box-shadow: 0 4px 12px rgba(117,117,117,0.5);
}

@media (prefers-color-scheme: dark) {
  .btn {
    background: #2C2C2C;
    color: #FFFFFF;
  }

  .btn:hover {
    background: #1A1A1A;
    color: #FFFFFF;
    box-shadow: 0 4px 12px rgba(44,44,44,0.5);
  }
}

.btn-secondary {
  background: var(--silver-pure);
  color: var(--light-text);
}

.btn-secondary:hover {
  background: var(--silver-steel);
}

/* ========== HEADER / NAVIGATION ========== */
nav {
  background: var(--light-surface);
  border-bottom: 1px solid var(--silver-mist);
  padding: var(--spacing-md) 0;
  box-shadow: var(--shadow-light);
}

@media (prefers-color-scheme: dark) {
  nav {
    background: var(--dark-surface);
    border-bottom: 1px solid var(--silver-steel);
    box-shadow: var(--shadow-dark);
  }
}

nav .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

nav .logo {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--platinum-base);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

nav ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  gap: var(--spacing-lg);
}

nav a {
  color: var(--silver-steel);
  font-weight: 600;
  text-transform: uppercase;
  font-size: 0.9rem;
  letter-spacing: 0.03em;
}

nav a:hover {
  color: var(--platinum-base);
}

/* ========== FOOTER ========== */
footer {
  background: var(--light-surface);
  border-top: 1px solid var(--silver-mist);
  padding: var(--spacing-xl) 0;
  margin-top: var(--spacing-xxxl);
  text-align: center;
  font-size: 0.9rem;
  color: var(--silver-steel);
}

@media (prefers-color-scheme: dark) {
  footer {
    background: var(--dark-surface);
    border-top: 1px solid var(--silver-steel);
  }
}

footer a {
  color: var(--platinum-base);
}

footer a:hover {
  color: var(--platinum-dark);
}

/* ========== METALLIC ACCENTS ========== */
.accent-gold {
  color: var(--platinum-light-mode);
  font-weight: 700;
}

@media (prefers-color-scheme: dark) {
  .accent-gold {
    color: var(--platinum-base);
  }
}

.accent-silver {
  color: var(--text-secondary-light);
}

@media (prefers-color-scheme: dark) {
  .accent-silver {
    color: var(--silver-pure);
  }
}

.metallic-border {
  border: 1px solid var(--silver-pure);
  padding: var(--spacing-md);
  border-radius: 4px;
}

/* ========== REUSABLE PAGE ELEMENTS ========== */
.section-heading {
  text-align: center;
  font-size: 2.5rem;
  color: var(--platinum-light-mode);
  margin-bottom: var(--spacing-xxl);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

@media (prefers-color-scheme: dark) {
  .section-heading {
    color: var(--platinum-base);
  }
}

.page-subtitle {
  font-size: 1.25rem;
  color: var(--text-secondary-light);
  font-weight: 300;
  letter-spacing: 0.05em;
}

@media (prefers-color-scheme: dark) {
  .page-subtitle {
    color: var(--silver-pure);
  }
}

/* ========== RESPONSIVE ========== */
@media (max-width: 768px) {
  h1 {
    font-size: 2.5rem;
  }

  h2 {
    font-size: 2rem;
  }

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

  nav ul {
    gap: var(--spacing-md);
  }
}