/*
 * Custom Theme for daron.me
 * Modern minimalist landing page with warm earth tones
 * 
 * Color Palette:
 * - Background: #0f172a → #1e293b (slate gradient)
 * - Primary Accent: #c2715b (terracotta)
 * - Secondary Accent: #d4a574 (amber gold)
 * - Text: #f5f0e8 (warm cream)
 */

/* CSS Custom Properties
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:root {
  --bg-primary: #0f172a;
  --bg-secondary: #1e293b;
  --accent-primary: #c2715b;
  --accent-secondary: #d4a574;
  --text-primary: #f5f0e8;
  --text-muted: rgba(245, 240, 232, 0.6);
  --border-color: rgba(245, 240, 232, 0.2);
  
  /* Font Families */
  --font-heading: 'Playfair Display', Georgia, 'Times New Roman', serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
}

/* Base Styles
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html {
  font-size: 100%;
  color-scheme: dark;
}

body {
  font-size: 18px;
  line-height: 1.6;
  font-weight: 400;
  font-family: var(--font-body);
  background:
    radial-gradient(ellipse at 20% 30%, rgba(194, 113, 91, 0.15) 0%, transparent 50%),
    radial-gradient(ellipse at 80% 70%, rgba(212, 165, 116, 0.12) 0%, transparent 50%),
    radial-gradient(ellipse at 50% 50%, rgba(194, 113, 91, 0.08) 0%, transparent 70%),
    linear-gradient(180deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
  background-attachment: fixed;
  color: var(--text-primary);
  min-height: 100vh;
  margin: 0;
  padding: 0;
}

/* Container
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.container {
  position: relative;
  width: 100%;
  max-width: 600px;
  text-align: center;
  margin: 0 auto;
  padding: 40px 24px;
  box-sizing: border-box;
  overflow-x: hidden;
  /* Glassmorphism effect */
  background: rgba(0, 0, 0, 0.15);
  backdrop-filter: saturate(180%) blur(20px);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 24px;
  margin-top: 40px;
  margin-bottom: 40px;
  box-shadow:
    0 8px 32px rgba(0, 0, 0, 0.3),
    inset 0 0 0 1px rgba(255, 255, 255, 0.05);
}

@media (max-width: 400px) {
  .button-primary-action,
  .button-secondary-link {
    max-width: 100%;  /* Let buttons shrink to fit container */
  }
}

@media (min-width: 400px) {
  .container {
    width: 90%;
    padding: 40px 30px;
  }
}

@media (min-width: 550px) {
  .container {
    width: 85%;
    padding: 50px 40px;
  }
}

/* Hero Section
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.hero {
  padding: 20px 0 30px;
}

@media (min-width: 550px) {
  .hero {
    padding: 30px 0 40px;
  }
}

/* Avatar
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.avatar {
  width: 140px;
  height: 140px;
  object-fit: cover;
  background-position: center;
  border-radius: 50%;
  border: 4px solid var(--accent-primary);
  box-shadow: 
    0 0 0 4px var(--bg-primary),
    0 0 30px rgba(194, 113, 91, 0.3),
    0 10px 40px rgba(0, 0, 0, 0.3);
  transition: box-shadow 0.3s ease, transform 0.3s ease;
}

.avatar:hover {
  box-shadow: 
    0 0 0 4px var(--bg-primary),
    0 0 40px rgba(194, 113, 91, 0.5),
    0 15px 50px rgba(0, 0, 0, 0.4);
  transform: translateY(-2px);
}

/* Typography
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h1, h2, h3 {
  font-family: var(--font-heading);
}

h1 {
  margin: 24px 0 16px;
  font-size: 32px;
  font-weight: 600;
  letter-spacing: -0.01em;
  line-height: 1.2;
  color: var(--text-primary);
}

@media (min-width: 550px) {
  h1 {
    font-size: 48px;
    margin: 28px 0 20px;
  }
}

.bio {
  font-size: 16px;
  line-height: 1.7;
  color: var(--text-muted);
  margin: 0 auto 40px;
  max-width: 480px;
}

@media (min-width: 550px) {
  .bio {
    font-size: 17px;
    margin-bottom: 50px;
  }
}

/* Section Styles
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.section {
  margin-bottom: 40px;
}

.section-label {
  font-family: var(--font-body);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 20px;
  display: block;
}

.section-divider {
  width: 60px;
  height: 2px;
  background: var(--border-color);
  margin: 0 auto 30px;
}

/* Primary Action Buttons
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.button-primary-action {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  width: 100%;
  max-width: 360px;
  box-sizing: border-box;
  font-family: var(--font-body);
  font-size: 16px;
  font-weight: 500;
  line-height: 1.4;
  padding: 16px 24px;
  margin-bottom: 12px;
  border-radius: 12px;
  cursor: pointer;
  transition: all 0.2s ease;
  background-color: var(--accent-primary);
  color: var(--text-primary);
  border: none;
  box-shadow: 0 4px 15px rgba(194, 113, 91, 0.3);
}

.button-primary-action:hover,
.button-primary-action:focus {
  background-color: var(--accent-secondary);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(212, 165, 116, 0.4);
  outline: none;
}

.button-primary-action:active {
  transform: translateY(0);
}

.button-primary-action .icon {
  width: 22px;
  height: 22px;
  margin-right: 10px;
  filter: brightness(0) invert(1);
}

/* Secondary Link Buttons
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.button-secondary-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  width: 100%;
  max-width: 360px;
  box-sizing: border-box;
  font-family: var(--font-body);
  font-size: 15px;
  font-weight: 500;
  line-height: 1.4;
  padding: 14px 20px;
  margin-bottom: 10px;
  border-radius: 10px;
  cursor: pointer;
  transition: all 0.2s ease;
  background-color: transparent;
  color: var(--text-primary);
  border: 2px solid var(--border-color);
}

.button-secondary-link:hover,
.button-secondary-link:focus {
  background-color: var(--accent-primary);
  border-color: var(--accent-primary);
  transform: translateY(-2px);
  box-shadow: 0 4px 15px rgba(194, 113, 91, 0.3);
  outline: none;
}

.button-secondary-link:active {
  transform: translateY(0);
}

.button-secondary-link .icon {
  width: 20px;
  height: 20px;
  margin-right: 10px;
  opacity: 0.9;
  transition: opacity 0.2s ease;
}

.button-secondary-link:hover .icon {
  opacity: 1;
  filter: brightness(0) invert(1);
}

/* Links Section
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.links-section {
  padding: 0 0 30px;
}

.primary-links {
  margin-bottom: 40px;
}

.social-links {
  margin-bottom: 30px;
}

/* Footer
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.footer {
  padding: 30px 0 40px;
  border-top: 1px solid var(--border-color);
  margin-top: 20px;
}

.footer-text {
  font-size: 13px;
  color: var(--text-muted);
  margin: 0;
}

.footer-text a {
  color: var(--text-muted);
  text-decoration: none;
  transition: color 0.2s ease;
}

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

/* Utility Classes
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.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* Animation Keyframes
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@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.hero {
  animation: fadeInUp 0.6s ease-out;
}

.primary-links {
  animation: fadeInUp 0.6s ease-out 0.1s both;
}

.social-links {
  animation: fadeInUp 0.6s ease-out 0.2s both;
}

.footer {
  animation: fadeInUp 0.6s ease-out 0.3s both;
}

/* Focus Styles for Accessibility
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.button-primary-action:focus-visible,
.button-secondary-link:focus-visible {
  outline: 3px solid var(--accent-secondary);
  outline-offset: 2px;
}

/* Note: Fonts are loaded via Google Fonts CDN in index.htm
   - Playfair Display: Headings (H1, H2, H3)
   - Inter: Body text and buttons
   
   Local Open Sans fonts are no longer used but kept for fallback.
*/

/* Glassmorphism Effects
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/*
 * Base glass effect mixin-like class
 * - 85% transparent dark background (15% opacity)
 * - 20px blur effect
 * - 180% saturation boost for vibrant colors through glass
 * - Subtle white border at 8% opacity for glass edge
 */
.glass-effect {
  background: rgba(0, 0, 0, 0.15);
  backdrop-filter: saturate(180%) blur(20px);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

/* Profile Photo Glow with Terracotta Accent on Hover
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.avatar {
  transition: box-shadow 0.4s ease, transform 0.3s ease;
}

.avatar:hover {
  box-shadow:
    0 0 0 4px var(--bg-primary),
    0 0 50px rgba(224, 122, 95, 0.6),
    0 0 80px rgba(224, 122, 95, 0.4),
    0 15px 50px rgba(0, 0, 0, 0.4);
  transform: translateY(-3px);
}

/* CTA Button Glass Effect with Blur and Glow on Hover
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.button-primary-action {
  background: rgba(194, 113, 91, 0.85);
  backdrop-filter: saturate(180%) blur(20px);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  border: 1px solid rgba(255, 255, 255, 0.08);
  transition: all 0.3s ease, box-shadow 0.3s ease, backdrop-filter 0.3s ease;
}

.button-primary-action:hover,
.button-primary-action:focus {
  background: rgba(212, 165, 116, 0.9);
  backdrop-filter: saturate(200%) blur(25px);
  -webkit-backdrop-filter: saturate(200%) blur(25px);
  box-shadow:
    0 8px 32px rgba(194, 113, 91, 0.4),
    0 0 40px rgba(224, 122, 95, 0.3),
    inset 0 0 20px rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.15);
  transform: translateY(-2px);
}

/* Nav Link (Secondary Buttons) Blur on Hover
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.button-secondary-link {
  background: rgba(0, 0, 0, 0.15);
  backdrop-filter: saturate(180%) blur(10px);
  -webkit-backdrop-filter: saturate(180%) blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.08);
  transition: all 0.3s ease, backdrop-filter 0.3s ease;
}

.button-secondary-link:hover,
.button-secondary-link:focus {
  background: rgba(194, 113, 91, 0.8);
  backdrop-filter: saturate(200%) blur(20px);
  -webkit-backdrop-filter: saturate(200%) blur(20px);
  border: 1px solid rgba(255, 255, 255, 0.15);
  box-shadow:
    0 8px 32px rgba(194, 113, 91, 0.35),
    0 0 30px rgba(224, 122, 95, 0.2);
  transform: translateY(-2px);
}