/* =========================================================
   MADRAS THEME
   Chennai-inspired aesthetic: temple colors, kolam patterns,
   tropical warmth, vibrant textiles
   ========================================================= */

:root {
  /* Madras Color Palette */
  --saffron: #FF9933;
  --turmeric: #FDB927;
  --temple-red: #C41E3A;
  --deep-maroon: #800020;
  --kolam-white: #F8F6F0;
  --sandalwood: #E1C699;
  --teak: #AB8B5C;
  --bronze: #CD7F32;
  --indigo: #3F51B5;
  --peacock-blue: #005F73;
  --jasmine: #FFFACD;
  --betel-green: #2D5016;
  --monsoon-gray: #5C6B73;
  --terracotta: #C65D3B;
  --gold: #FFD700;

  /* Functional Colors */
  --bg-primary: #FFF8E7;
  --bg-secondary: var(--sandalwood);
  --text-primary: #1A1613;
  --text-secondary: var(--monsoon-gray);
  --accent-1: var(--temple-red);
  --accent-2: var(--saffron);
  --accent-3: var(--peacock-blue);
  --border-color: var(--bronze);
  --shadow-color: rgba(205, 127, 50, 0.15);
}

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

body {
  font-family: 'Spectral', 'Libre Baskerville', Georgia, serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.8;
  font-size: 18px;
  min-height: 100vh;
  position: relative;
  overflow-x: hidden;
}

/* Kolam Pattern Background */
body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image:
    radial-gradient(circle at 25px 25px, var(--bronze) 1px, transparent 1px),
    radial-gradient(circle at 75px 75px, var(--saffron) 1px, transparent 1px);
  background-size: 100px 100px;
  opacity: 0.08;
  pointer-events: none;
  z-index: 0;
}

/* Subtle border pattern */
body::after {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 8px;
  background: linear-gradient(
    90deg,
    var(--temple-red) 0%,
    var(--saffron) 25%,
    var(--turmeric) 50%,
    var(--saffron) 75%,
    var(--temple-red) 100%
  );
  z-index: 1000;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.about-container {
  max-width: 900px;
  margin: 0 auto;
  padding: 4rem 2rem;
  min-height: 100vh;
  position: relative;
  z-index: 1;
}

/* Header Section */
.about-header {
  text-align: center;
  margin-bottom: 4rem;
  padding: 2rem;
  background: linear-gradient(
    135deg,
    rgba(255, 153, 51, 0.1) 0%,
    rgba(253, 185, 39, 0.1) 100%
  );
  border-radius: 16px;
  border: 3px solid var(--saffron);
  box-shadow:
    0 4px 20px var(--shadow-color),
    inset 0 0 40px rgba(255, 215, 0, 0.1);
  position: relative;
}

/* Temple-inspired corner decorations */
.about-header::before,
.about-header::after {
  content: '◈';
  position: absolute;
  font-size: 2rem;
  color: var(--temple-red);
  opacity: 0.6;
}

.about-header::before {
  top: -10px;
  left: 20px;
}

.about-header::after {
  top: -10px;
  right: 20px;
}

.about-header h1 {
  font-family: 'Spectral', serif;
  font-size: clamp(2rem, 5vw, 3.5rem);
  color: var(--temple-red);
  margin-bottom: 1rem;
  text-shadow: 2px 2px 0 var(--turmeric);
  letter-spacing: 0.02em;
  font-weight: 700;
}

.about-header p {
  color: var(--text-secondary);
  font-style: italic;
  font-size: 1.1rem;
  letter-spacing: 0.05em;
}

.about-header-image {
  max-width: 100%;
  width: 700px;
  height: auto;
  border-radius: 12px;
  margin: 2rem auto;
  display: block;
  box-shadow:
    0 8px 32px rgba(196, 30, 58, 0.2),
    0 0 0 4px var(--gold),
    0 0 0 8px var(--temple-red);
  border: 4px solid var(--kolam-white);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.about-header-image:hover {
  transform: translateY(-4px);
  box-shadow:
    0 12px 48px rgba(196, 30, 58, 0.3),
    0 0 0 4px var(--gold),
    0 0 0 8px var(--temple-red);
}

/* Content Card */
.about-content {
  background: var(--kolam-white);
  border: 4px solid var(--bronze);
  border-radius: 20px;
  padding: 3rem;
  box-shadow:
    0 8px 32px var(--shadow-color),
    inset 0 0 60px rgba(253, 185, 39, 0.05);
  margin-bottom: 3rem;
  position: relative;
  max-width: 65ch;
  margin-left: auto;
  margin-right: auto;
}

/* Decorative border pattern */
.about-content::before {
  content: '';
  position: absolute;
  top: -4px;
  left: -4px;
  right: -4px;
  bottom: -4px;
  border-radius: 20px;
  background: linear-gradient(
    45deg,
    var(--temple-red),
    var(--saffron),
    var(--turmeric),
    var(--peacock-blue),
    var(--temple-red)
  );
  z-index: -1;
  opacity: 0.3;
  animation: borderRotate 10s linear infinite;
}

@keyframes borderRotate {
  0%, 100% {
    background-position: 0% 50%;
  }
  50% {
    background-position: 100% 50%;
  }
}

.about-content h2 {
  font-family: 'Spectral', serif;
  font-size: 1.8rem;
  color: var(--temple-red);
  margin: 2.5rem 0 1rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  position: relative;
  padding-left: 1.5rem;
}

.about-content h2::before {
  content: '❖';
  position: absolute;
  left: 0;
  color: var(--saffron);
  font-size: 1.2rem;
}

.about-content h2:first-child {
  margin-top: 0;
}

.about-content h2.subtle {
  font-variant: small-caps;
  font-size: 1.1rem;
  color: var(--peacock-blue);
  letter-spacing: 0.08em;
  margin: 2rem 0 0.8rem;
  padding-left: 0;
  text-align: center;
}

.about-content h2.subtle::before {
  display: none;
}

.about-content p {
  margin: 0 0 1.5rem;
  font-size: 1.05rem;
  text-align: left;
  color: var(--text-primary);
  line-height: 1.8;
}

.about-content p.lead {
  font-size: 1.15rem;
  color: var(--text-primary);
  line-height: 1.9;
  font-weight: 500;
}

/* Ornament Dividers */
.ornament {
  display: flex;
  justify-content: center;
  align-items: center;
  margin: 2rem 0;
  opacity: 0.8;
}

.ornament svg {
  width: 140px;
  height: 16px;
  display: block;
  stroke: var(--temple-red);
  fill: var(--saffron);
  stroke-width: 1.8;
  filter: drop-shadow(0 0 4px rgba(255, 153, 51, 0.4));
  animation: ornamentPulse 4s ease-in-out infinite;
}

@keyframes ornamentPulse {
  0%, 100% {
    opacity: 0.8;
  }
  50% {
    opacity: 1;
    filter: drop-shadow(0 0 8px rgba(255, 153, 51, 0.6));
  }
}

/* Links */
.about-content a {
  color: var(--peacock-blue);
  text-decoration: underline;
  text-decoration-color: var(--saffron);
  text-decoration-thickness: 2px;
  transition: all 0.3s ease;
  font-weight: 500;
}

.about-content a:hover {
  color: var(--temple-red);
  text-decoration-color: var(--temple-red);
  text-shadow: 0 0 8px rgba(196, 30, 58, 0.3);
}

/* Emphasis */
.about-content em {
  color: var(--saffron);
  font-style: italic;
  font-weight: 500;
}

/* Back Link Buttons */
.btn {
  display: inline-block;
  padding: 0.9rem 2rem;
  font-family: 'Spectral', serif;
  font-size: 1rem;
  font-weight: 600;
  text-decoration: none;
  border-radius: 8px;
  transition: all 0.3s ease;
  letter-spacing: 0.05em;
  box-shadow: 0 4px 12px var(--shadow-color);
  border: 2px solid transparent;
}

.btn-primary {
  background: var(--temple-red);
  color: var(--kolam-white);
  border-color: var(--temple-red);
}

.btn-primary:hover {
  background: var(--deep-maroon);
  border-color: var(--gold);
  box-shadow:
    0 6px 20px rgba(196, 30, 58, 0.4),
    0 0 20px rgba(255, 215, 0, 0.3);
  transform: translateY(-2px);
}

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

.btn-secondary:hover {
  background: var(--turmeric);
  border-color: var(--temple-red);
  box-shadow:
    0 6px 20px rgba(253, 185, 39, 0.4),
    0 0 20px rgba(196, 30, 58, 0.2);
  transform: translateY(-2px);
}

.back-link {
  margin-top: 2rem;
}

/* Theme Toggle Buttons */
.theme-toggle {
  position: fixed;
  top: 20px;
  right: 20px;
  display: flex;
  gap: 0.5rem;
  z-index: 100;
  background: var(--kolam-white);
  padding: 0.5rem;
  border-radius: 12px;
  border: 2px solid var(--bronze);
  box-shadow: 0 4px 16px var(--shadow-color);
}

.theme-btn {
  padding: 0.5rem 1rem;
  font-family: 'Spectral', serif;
  font-size: 0.85rem;
  font-weight: 600;
  border: 2px solid var(--bronze);
  background: transparent;
  color: var(--text-primary);
  border-radius: 6px;
  cursor: pointer;
  transition: all 0.3s ease;
  letter-spacing: 0.05em;
}

.theme-btn:hover {
  background: var(--saffron);
  color: var(--text-primary);
  border-color: var(--temple-red);
}

.theme-btn.active {
  background: var(--temple-red);
  color: var(--kolam-white);
  border-color: var(--temple-red);
  box-shadow: 0 2px 8px rgba(196, 30, 58, 0.3);
}

/* Responsive Design */
@media (max-width: 768px) {
  body::after {
    height: 6px;
  }

  .about-container {
    padding: 3rem 1.5rem;
  }

  .about-header {
    padding: 1.5rem;
  }

  .about-header h1 {
    font-size: 2rem;
  }

  .about-content {
    padding: 2rem 1.5rem;
    max-width: 100%;
  }

  .about-content h2 {
    font-size: 1.5rem;
  }

  .ornament svg {
    width: 100px;
    height: 14px;
  }

  .theme-toggle {
    top: 10px;
    right: 10px;
    flex-direction: column;
    gap: 0.25rem;
    padding: 0.4rem;
  }

  .theme-btn {
    padding: 0.4rem 0.8rem;
    font-size: 0.75rem;
  }

  .btn {
    padding: 0.75rem 1.5rem;
    font-size: 0.9rem;
  }

  .back-link {
    display: block;
    margin: 1rem auto;
    text-align: center;
  }
}

@media (max-width: 480px) {
  .about-header-image {
    border-radius: 8px;
    box-shadow:
      0 4px 20px rgba(196, 30, 58, 0.15),
      0 0 0 3px var(--gold),
      0 0 0 6px var(--temple-red);
  }

  .about-content {
    padding: 1.5rem 1rem;
  }
}

/* Support Section */
.support-section {
  max-width: 65ch;
  margin: 3rem auto;
  padding: 2.5rem;
  background: linear-gradient(
    135deg,
    rgba(196, 30, 58, 0.08) 0%,
    rgba(255, 153, 51, 0.08) 100%
  );
  border: 3px solid var(--temple-red);
  border-radius: 16px;
  box-shadow:
    0 8px 32px var(--shadow-color),
    inset 0 0 40px rgba(253, 185, 39, 0.1);
  position: relative;
}

.support-section::before {
  content: '✦';
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  font-size: 1.5rem;
  color: var(--saffron);
  background: var(--bg-primary);
  padding: 0 0.75rem;
}

.support-header {
  text-align: center;
  margin-bottom: 2rem;
}

.support-header h3 {
  font-family: 'Spectral', serif;
  font-size: 1.8rem;
  color: var(--temple-red);
  margin-bottom: 0.75rem;
  font-weight: 700;
}

.support-header p {
  color: var(--text-secondary);
  font-size: 1.05rem;
  line-height: 1.6;
}

.crypto-support {
  background: var(--kolam-white);
  padding: 1.5rem;
  border-radius: 12px;
  border: 2px solid var(--bronze);
  box-shadow: 0 4px 16px rgba(205, 127, 50, 0.1);
}

.crypto-label {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  margin-bottom: 1rem;
  font-weight: 600;
  color: var(--text-primary);
  font-size: 1.1rem;
}

.crypto-icon {
  font-size: 1.3rem;
  color: var(--saffron);
}

.address-container {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  background: var(--bg-primary);
  padding: 1rem;
  border-radius: 8px;
  border: 2px solid var(--saffron);
  flex-wrap: wrap;
}

.crypto-address {
  flex: 1;
  min-width: 0;
  font-family: 'Courier New', monospace;
  font-size: 0.85rem;
  color: var(--text-primary);
  word-break: break-all;
  line-height: 1.4;
  background: transparent;
  padding: 0;
  border: none;
}

.copy-btn {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.6rem 1rem;
  background: var(--saffron);
  color: var(--text-primary);
  border: 2px solid var(--temple-red);
  border-radius: 6px;
  cursor: pointer;
  font-family: 'Spectral', serif;
  font-size: 0.9rem;
  font-weight: 600;
  transition: all 0.3s ease;
  white-space: nowrap;
}

.copy-btn:hover {
  background: var(--temple-red);
  color: var(--kolam-white);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(196, 30, 58, 0.3);
}

.copy-btn:active {
  transform: translateY(0);
}

.copy-btn svg {
  width: 16px;
  height: 16px;
}

/* Responsive Support Section */
@media (max-width: 768px) {
  .support-section {
    padding: 2rem 1.5rem;
    margin: 2rem auto;
  }

  .support-header h3 {
    font-size: 1.5rem;
  }

  .crypto-support {
    padding: 1.25rem;
  }

  .address-container {
    flex-direction: column;
    align-items: stretch;
  }

  .crypto-address {
    font-size: 0.75rem;
  }

  .copy-btn {
    width: 100%;
    justify-content: center;
  }
}

@media (max-width: 480px) {
  .support-section {
    padding: 1.5rem 1rem;
  }

  .crypto-address {
    font-size: 0.7rem;
  }
}

/* Print Styles */
@media print {
  body::before,
  body::after,
  .theme-toggle,
  .support-section {
    display: none;
  }

  .about-content {
    border: 2px solid var(--text-primary);
    box-shadow: none;
  }
}