/* ============================================
   UPANISHAD GYANAMRIT — Design System
   ============================================ */

/* Google Fonts */
@import url('https://fonts.googleapis.com/css2?family=Cinzel:wght@400;500;600;700;900&family=Lora:ital,wght@0,400;0,500;0,600;0,700;1,400;1,500&family=Noto+Sans+Devanagari:wght@400;500;600;700&display=swap');

/* ── CSS Custom Properties ── */
:root {
  /* Colors */
  --saffron: #FF9933;
  --saffron-deep: #E8850A;
  --gold: #D4A843;
  --gold-light: #F0D68A;
  --gold-shimmer: #FFD700;
  --maroon: #800020;
  --maroon-deep: #5C0015;
  --cream: #FFF8E7;
  --cream-warm: #FDF5E6;
  --ivory: #FFFFF0;
  --charcoal: #1A1A2E;
  --charcoal-light: #2D2D44;
  --dark-bg: #0F0F1A;
  --burgundy: #722F37;
  --terracotta: #C75B39;
  --amber: #FFBF00;

  /* Gradients */
  --gradient-hero: linear-gradient(135deg, rgba(26,26,46,0.85) 0%, rgba(128,0,32,0.6) 50%, rgba(255,153,51,0.3) 100%);
  --gradient-saffron: linear-gradient(135deg, #FF9933 0%, #D4A843 100%);
  --gradient-dark: linear-gradient(180deg, #1A1A2E 0%, #0F0F1A 100%);
  --gradient-card: linear-gradient(145deg, rgba(255,248,231,0.08) 0%, rgba(212,168,67,0.05) 100%);
  --gradient-golden-border: linear-gradient(135deg, #D4A843, #FFD700, #D4A843, #FF9933);

  /* Typography */
  --font-heading: 'Cinzel', serif;
  --font-body: 'Lora', serif;
  --font-devanagari: 'Noto Sans Devanagari', sans-serif;

  /* Spacing */
  --section-padding: 100px 0;
  --container-width: 1200px;
  --container-padding: 0 24px;

  /* Borders & Radius */
  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-xl: 32px;

  /* Shadows */
  --shadow-card: 0 8px 32px rgba(0,0,0,0.3);
  --shadow-glow: 0 0 40px rgba(212,168,67,0.15);
  --shadow-golden: 0 4px 20px rgba(212,168,67,0.3);

  /* Transitions */
  --transition-fast: 0.2s ease;
  --transition-smooth: 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --transition-slow: 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

/* ── Reset & Base ── */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-body);
  background: var(--dark-bg);
  color: var(--cream);
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 600;
  line-height: 1.3;
  letter-spacing: 0.02em;
}

a {
  text-decoration: none;
  color: inherit;
  transition: color var(--transition-fast);
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

ul { list-style: none; }

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

/* Devanagari text */
.devanagari {
  font-family: var(--font-devanagari);
}

/* ── Section Shared Styles ── */
.section {
  padding: var(--section-padding);
  position: relative;
}

.section-header {
  text-align: center;
  margin-bottom: 64px;
}

.section-header .om-symbol {
  font-size: 2rem;
  color: var(--gold);
  display: block;
  margin-bottom: 12px;
  opacity: 0.7;
}

.section-header h2 {
  font-size: clamp(2rem, 4vw, 3rem);
  color: var(--gold-light);
  margin-bottom: 8px;
}

.section-header .subtitle {
  font-family: var(--font-devanagari);
  font-size: 1.15rem;
  color: var(--saffron);
  opacity: 0.85;
  margin-bottom: 16px;
}

.section-header p {
  max-width: 650px;
  margin: 0 auto;
  color: rgba(255,248,231,0.7);
  font-size: 1.05rem;
}

/* Decorative divider */
.divider {
  width: 80px;
  height: 3px;
  background: var(--gradient-saffron);
  margin: 20px auto;
  border-radius: 2px;
  position: relative;
}

.divider::before {
  content: '◆';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  font-size: 12px;
  color: var(--gold);
  background: var(--dark-bg);
  padding: 0 8px;
}

/* ── Animated reveal ── */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.8s cubic-bezier(0.25,0.46,0.45,0.94),
              transform 0.8s cubic-bezier(0.25,0.46,0.45,0.94);
}

.reveal.active {
  opacity: 1;
  transform: translateY(0);
}

.reveal-delay-1 { transition-delay: 0.15s; }
.reveal-delay-2 { transition-delay: 0.3s; }
.reveal-delay-3 { transition-delay: 0.45s; }
.reveal-delay-4 { transition-delay: 0.6s; }

/* ============================================
   NAVIGATION
   ============================================ */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  padding: 20px 0;
  transition: all var(--transition-smooth);
}

.navbar.scrolled {
  background: rgba(15,15,26,0.95);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  padding: 12px 0;
  box-shadow: 0 4px 30px rgba(0,0,0,0.4);
  border-bottom: 1px solid rgba(212,168,67,0.15);
}

.nav-container {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: var(--container-padding);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 12px;
}

.nav-logo .om {
  font-size: 1.8rem;
  color: var(--gold);
  text-shadow: 0 0 20px rgba(212,168,67,0.4);
}

.nav-logo span {
  font-family: var(--font-heading);
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--cream);
  letter-spacing: 0.05em;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 36px;
}

.nav-links a {
  font-family: var(--font-heading);
  font-size: 0.85rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(255,248,231,0.75);
  position: relative;
  padding: 4px 0;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--gradient-saffron);
  transition: width var(--transition-smooth);
}

.nav-links a:hover {
  color: var(--gold-light);
}

.nav-links a:hover::after {
  width: 100%;
}

.nav-links a.active {
  color: var(--gold-light);
}

.nav-links a.active::after {
  width: 100%;
}

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 4px;
  z-index: 1001;
}

.hamburger span {
  display: block;
  width: 26px;
  height: 2px;
  background: var(--gold-light);
  border-radius: 2px;
  transition: all var(--transition-fast);
}

.hamburger.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.hamburger.active span:nth-child(2) {
  opacity: 0;
}

.hamburger.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* ============================================
   HERO SECTION
   ============================================ */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: var(--gradient-hero);
  z-index: 1;
}

/* Animated particles */
.hero-particles {
  position: absolute;
  inset: 0;
  z-index: 2;
  overflow: hidden;
  pointer-events: none;
}

.particle {
  position: absolute;
  width: 4px;
  height: 4px;
  background: var(--gold-shimmer);
  border-radius: 50%;
  opacity: 0;
  animation: floatUp 8s infinite;
}

@keyframes floatUp {
  0% {
    opacity: 0;
    transform: translateY(100vh) scale(0);
  }
  20% {
    opacity: 0.8;
  }
  80% {
    opacity: 0.3;
  }
  100% {
    opacity: 0;
    transform: translateY(-20vh) scale(1);
  }
}

.hero-content {
  position: relative;
  z-index: 3;
  text-align: center;
  max-width: 800px;
  padding: 0 24px;
}

.hero-om {
  font-size: 4rem;
  color: var(--gold);
  margin-bottom: 16px;
  text-shadow: 0 0 40px rgba(255,215,0,0.5);
  animation: pulseGlow 3s ease-in-out infinite;
}

@keyframes pulseGlow {
  0%, 100% { text-shadow: 0 0 40px rgba(255,215,0,0.3); }
  50% { text-shadow: 0 0 60px rgba(255,215,0,0.6), 0 0 100px rgba(255,153,51,0.2); }
}

.hero-title-sanskrit {
  font-family: var(--font-devanagari);
  font-size: clamp(2.2rem, 5.5vw, 4rem);
  font-weight: 700;
  color: var(--gold-light);
  margin-bottom: 8px;
  text-shadow: 0 2px 20px rgba(0,0,0,0.5);
}

.hero-title-english {
  font-family: var(--font-heading);
  font-size: clamp(1.1rem, 2.5vw, 1.6rem);
  font-weight: 400;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--saffron);
  margin-bottom: 24px;
  opacity: 0.9;
}

.hero-tagline {
  font-size: clamp(1rem, 2vw, 1.25rem);
  color: rgba(255,248,231,0.8);
  font-style: italic;
  margin-bottom: 40px;
  line-height: 1.8;
}

.hero-cta {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 16px 40px;
  background: transparent;
  border: 2px solid var(--gold);
  color: var(--gold-light);
  font-family: var(--font-heading);
  font-size: 0.9rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition-smooth);
  position: relative;
  overflow: hidden;
}

.hero-cta::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--gradient-saffron);
  opacity: 0;
  transition: opacity var(--transition-smooth);
  z-index: -1;
}

.hero-cta:hover::before {
  opacity: 1;
}

.hero-cta:hover {
  color: var(--charcoal);
  border-color: transparent;
  transform: translateY(-2px);
  box-shadow: var(--shadow-golden);
}

/* Scroll indicator */
.scroll-indicator {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 3;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: rgba(212,168,67,0.6);
  font-size: 0.75rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  font-family: var(--font-heading);
  animation: bobUp 2s ease-in-out infinite;
}

.scroll-indicator .arrow {
  width: 20px;
  height: 20px;
  border-right: 2px solid var(--gold);
  border-bottom: 2px solid var(--gold);
  transform: rotate(45deg);
  opacity: 0.5;
}

@keyframes bobUp {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(10px); }
}

/* ============================================
   ABOUT SECTION
   ============================================ */
.about {
  background: var(--gradient-dark);
  position: relative;
}

.about::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--gold), transparent);
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.about-text h3 {
  font-size: 1.5rem;
  color: var(--gold-light);
  margin-bottom: 20px;
}

.about-text p {
  color: rgba(255,248,231,0.75);
  margin-bottom: 16px;
  font-size: 1.05rem;
}

.about-highlight {
  padding: 32px;
  background: rgba(212,168,67,0.06);
  border-left: 3px solid var(--gold);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  margin-top: 24px;
}

.about-highlight p {
  font-style: italic;
  color: var(--gold-light);
  font-size: 1.1rem;
  margin-bottom: 4px;
}

.about-highlight .attribution {
  font-size: 0.9rem;
  color: var(--saffron);
  font-style: normal;
}

.about-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

.stat-card {
  padding: 32px;
  background: rgba(255,248,231,0.04);
  border: 1px solid rgba(212,168,67,0.12);
  border-radius: var(--radius-md);
  text-align: center;
  transition: all var(--transition-smooth);
}

.stat-card:hover {
  background: rgba(255,248,231,0.08);
  border-color: rgba(212,168,67,0.3);
  transform: translateY(-4px);
  box-shadow: var(--shadow-glow);
}

.stat-card .number {
  font-family: var(--font-heading);
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--gold);
  display: block;
  margin-bottom: 8px;
}

.stat-card .label {
  font-size: 0.9rem;
  color: rgba(255,248,231,0.6);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

/* ============================================
   FEATURED UPANISHADS SECTION
   ============================================ */
.upanishads {
  background: var(--charcoal);
  position: relative;
}

.upanishads::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--gold), transparent);
}

.upanishad-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 28px;
}

.upanishad-card {
  background: rgba(255,248,231,0.03);
  border: 1px solid rgba(212,168,67,0.1);
  border-radius: var(--radius-md);
  padding: 36px 28px;
  transition: all var(--transition-smooth);
  position: relative;
  overflow: hidden;
  cursor: default;
}

.upanishad-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--gradient-saffron);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition-smooth);
}

.upanishad-card:hover {
  background: rgba(255,248,231,0.07);
  border-color: rgba(212,168,67,0.25);
  transform: translateY(-6px);
  box-shadow: var(--shadow-card), var(--shadow-glow);
}

.upanishad-card:hover::before {
  transform: scaleX(1);
}

.upanishad-card .card-icon {
  font-size: 2.2rem;
  margin-bottom: 16px;
  display: block;
}

.upanishad-card h3 {
  font-size: 1.25rem;
  color: var(--gold-light);
  margin-bottom: 4px;
}

.upanishad-card .card-sanskrit {
  font-family: var(--font-devanagari);
  font-size: 0.95rem;
  color: var(--saffron);
  opacity: 0.8;
  margin-bottom: 14px;
  display: block;
}

.upanishad-card p {
  font-size: 0.95rem;
  color: rgba(255,248,231,0.65);
  line-height: 1.7;
}

.upanishad-card .veda-tag {
  display: inline-block;
  margin-top: 16px;
  padding: 4px 14px;
  background: rgba(255,153,51,0.1);
  border: 1px solid rgba(255,153,51,0.25);
  border-radius: 20px;
  font-size: 0.75rem;
  color: var(--saffron);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

/* ============================================
   DAILY SHLOKA SECTION
   ============================================ */
.shloka {
  background: var(--dark-bg);
  position: relative;
  overflow: hidden;
}

.shloka::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--gold), transparent);
}

/* Decorative mandala background */
.shloka-mandala {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 500px;
  height: 500px;
  border: 1px solid rgba(212,168,67,0.06);
  border-radius: 50%;
  pointer-events: none;
}

.shloka-mandala::before {
  content: '';
  position: absolute;
  inset: 40px;
  border: 1px solid rgba(212,168,67,0.08);
  border-radius: 50%;
}

.shloka-mandala::after {
  content: '';
  position: absolute;
  inset: 80px;
  border: 1px solid rgba(212,168,67,0.04);
  border-radius: 50%;
}

.shloka-content {
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
  position: relative;
  z-index: 2;
}

.shloka-sanskrit {
  font-family: var(--font-devanagari);
  font-size: clamp(1.5rem, 3.5vw, 2.2rem);
  font-weight: 600;
  color: var(--gold-light);
  line-height: 1.8;
  margin-bottom: 24px;
  padding: 40px;
  background: rgba(212,168,67,0.04);
  border: 1px solid rgba(212,168,67,0.1);
  border-radius: var(--radius-lg);
  position: relative;
}

.shloka-sanskrit::before {
  content: '॥';
  position: absolute;
  top: 12px;
  left: 20px;
  font-size: 1.5rem;
  color: var(--gold);
  opacity: 0.3;
}

.shloka-sanskrit::after {
  content: '॥';
  position: absolute;
  bottom: 12px;
  right: 20px;
  font-size: 1.5rem;
  color: var(--gold);
  opacity: 0.3;
}

.shloka-transliteration {
  font-style: italic;
  font-size: 1.05rem;
  color: var(--saffron);
  margin-bottom: 20px;
  opacity: 0.85;
}

.shloka-meaning {
  font-size: 1.1rem;
  color: rgba(255,248,231,0.8);
  line-height: 1.8;
  margin-bottom: 16px;
}

.shloka-source {
  font-family: var(--font-heading);
  font-size: 0.85rem;
  color: var(--gold);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  opacity: 0.7;
}

/* ============================================
   TEACHINGS SECTION
   ============================================ */
.teachings {
  background: var(--charcoal);
  position: relative;
}

.teachings::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--gold), transparent);
}

.teachings-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 32px;
}

.teaching-card {
  text-align: center;
  padding: 40px 24px;
  background: rgba(255,248,231,0.03);
  border: 1px solid rgba(212,168,67,0.08);
  border-radius: var(--radius-lg);
  transition: all var(--transition-smooth);
}

.teaching-card:hover {
  background: rgba(255,248,231,0.06);
  border-color: rgba(212,168,67,0.2);
  transform: translateY(-5px);
  box-shadow: var(--shadow-glow);
}

.teaching-icon {
  width: 72px;
  height: 72px;
  margin: 0 auto 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  background: rgba(212,168,67,0.08);
  border: 1px solid rgba(212,168,67,0.15);
  border-radius: 50%;
  transition: all var(--transition-smooth);
}

.teaching-card:hover .teaching-icon {
  background: rgba(212,168,67,0.15);
  box-shadow: 0 0 30px rgba(212,168,67,0.15);
}

.teaching-card h3 {
  font-size: 1.15rem;
  color: var(--gold-light);
  margin-bottom: 4px;
}

.teaching-card .teaching-sanskrit {
  font-family: var(--font-devanagari);
  font-size: 0.9rem;
  color: var(--saffron);
  margin-bottom: 12px;
  opacity: 0.8;
}

.teaching-card p {
  font-size: 0.9rem;
  color: rgba(255,248,231,0.6);
  line-height: 1.7;
}

/* ============================================
   QUOTES CAROUSEL
   ============================================ */
.quotes {
  background: var(--dark-bg);
  position: relative;
  overflow: hidden;
}

.quotes::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--gold), transparent);
}

.carousel-wrapper {
  position: relative;
  max-width: 850px;
  margin: 0 auto;
  overflow: hidden;
}

.carousel-track {
  display: flex;
  transition: transform 0.6s cubic-bezier(0.25,0.46,0.45,0.94);
}

.carousel-slide {
  min-width: 100%;
  padding: 0 20px;
  text-align: center;
}

.quote-text {
  font-size: clamp(1.2rem, 2.5vw, 1.6rem);
  font-style: italic;
  color: var(--cream);
  line-height: 1.8;
  margin-bottom: 24px;
  position: relative;
}

.quote-text::before {
  content: '"';
  font-family: var(--font-heading);
  font-size: 5rem;
  color: var(--gold);
  opacity: 0.2;
  position: absolute;
  top: -30px;
  left: -10px;
  line-height: 1;
}

.quote-source {
  font-family: var(--font-heading);
  font-size: 0.9rem;
  color: var(--gold);
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.carousel-controls {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 24px;
  margin-top: 40px;
}

.carousel-btn {
  width: 48px;
  height: 48px;
  border: 1px solid rgba(212,168,67,0.3);
  background: transparent;
  color: var(--gold);
  border-radius: 50%;
  cursor: pointer;
  font-size: 1.2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-smooth);
}

.carousel-btn:hover {
  background: rgba(212,168,67,0.15);
  border-color: var(--gold);
}

.carousel-dots {
  display: flex;
  gap: 8px;
}

.carousel-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  border: 1px solid rgba(212,168,67,0.3);
  background: transparent;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.carousel-dot.active {
  background: var(--gold);
  border-color: var(--gold);
  box-shadow: 0 0 10px rgba(212,168,67,0.4);
}

/* ============================================
   NEWSLETTER / CONTACT SECTION
   ============================================ */
.newsletter {
  background: var(--charcoal);
  position: relative;
}

.newsletter::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--gold), transparent);
}

.newsletter-inner {
  max-width: 700px;
  margin: 0 auto;
  text-align: center;
}

.newsletter-form {
  display: flex;
  gap: 12px;
  margin-top: 36px;
  justify-content: center;
}

.newsletter-form input[type="email"] {
  flex: 1;
  max-width: 400px;
  padding: 16px 24px;
  background: rgba(255,248,231,0.06);
  border: 1px solid rgba(212,168,67,0.2);
  border-radius: var(--radius-sm);
  color: var(--cream);
  font-family: var(--font-body);
  font-size: 1rem;
  outline: none;
  transition: all var(--transition-fast);
}

.newsletter-form input[type="email"]::placeholder {
  color: rgba(255,248,231,0.4);
}

.newsletter-form input[type="email"]:focus {
  border-color: var(--gold);
  box-shadow: 0 0 20px rgba(212,168,67,0.1);
}

.newsletter-form button {
  padding: 16px 32px;
  background: var(--gradient-saffron);
  border: none;
  border-radius: var(--radius-sm);
  color: var(--charcoal);
  font-family: var(--font-heading);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  cursor: pointer;
  transition: all var(--transition-smooth);
}

.newsletter-form button:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-golden);
}

.newsletter-note {
  margin-top: 16px;
  font-size: 0.85rem;
  color: rgba(255,248,231,0.4);
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
  background: var(--dark-bg);
  padding: 60px 0 30px;
  border-top: 1px solid rgba(212,168,67,0.1);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 48px;
}

.footer-brand .footer-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 16px;
}

.footer-brand .footer-logo .om {
  font-size: 1.6rem;
  color: var(--gold);
}

.footer-brand .footer-logo span {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--cream);
}

.footer-brand p {
  font-size: 0.9rem;
  color: rgba(255,248,231,0.5);
  line-height: 1.7;
  max-width: 300px;
}

.footer-col h4 {
  font-size: 0.85rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 20px;
}

.footer-col a {
  display: block;
  font-size: 0.9rem;
  color: rgba(255,248,231,0.5);
  padding: 4px 0;
  transition: color var(--transition-fast);
}

.footer-col a:hover {
  color: var(--gold-light);
}

.footer-bottom {
  padding-top: 24px;
  border-top: 1px solid rgba(212,168,67,0.08);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.footer-bottom p {
  font-size: 0.8rem;
  color: rgba(255,248,231,0.35);
}

.footer-bottom .footer-om {
  font-size: 1.2rem;
  color: var(--gold);
  opacity: 0.4;
}

/* ============================================
   RESPONSIVE DESIGN
   ============================================ */
@media (max-width: 992px) {
  .about-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }

  .teachings-grid {
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  }
}

@media (max-width: 768px) {
  :root {
    --section-padding: 70px 0;
  }

  .nav-links {
    position: fixed;
    top: 0;
    right: -100%;
    width: 280px;
    height: 100vh;
    background: rgba(15,15,26,0.98);
    backdrop-filter: blur(20px);
    flex-direction: column;
    justify-content: center;
    gap: 28px;
    padding: 40px;
    transition: right var(--transition-smooth);
    border-left: 1px solid rgba(212,168,67,0.1);
  }

  .nav-links.open {
    right: 0;
  }

  .nav-links a {
    font-size: 1rem;
  }

  .hamburger {
    display: flex;
  }

  .about-stats {
    grid-template-columns: 1fr 1fr;
  }

  .upanishad-grid {
    grid-template-columns: 1fr;
    max-width: 400px;
    margin: 0 auto;
  }

  .newsletter-form {
    flex-direction: column;
    align-items: stretch;
  }

  .newsletter-form input[type="email"] {
    max-width: 100%;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .footer-bottom {
    flex-direction: column;
    gap: 12px;
    text-align: center;
  }

  .hero-om {
    font-size: 3rem;
  }
}

@media (max-width: 480px) {
  .about-stats {
    grid-template-columns: 1fr;
  }

  .teachings-grid {
    grid-template-columns: 1fr 1fr;
    gap: 16px;
  }

  .teaching-card {
    padding: 24px 16px;
  }

  .shloka-sanskrit {
    padding: 24px;
    font-size: 1.3rem;
  }
}

/* ── Utility Animations ── */
@keyframes shimmer {
  0% { background-position: -200% center; }
  100% { background-position: 200% center; }
}

.text-shimmer {
  background: linear-gradient(90deg, var(--gold-light), var(--gold-shimmer), var(--gold-light));
  background-size: 200% auto;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: shimmer 4s linear infinite;
}

/* Mobile menu overlay */
.nav-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.5);
  z-index: 999;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-smooth);
}

.nav-overlay.open {
  opacity: 1;
  pointer-events: all;
}