/* ===== CSS Variables ===== */
:root {
  --saffron: #FF6600;
  --saffron-light: #FF8533;
  --saffron-dark: #CC5200;
  --maroon: #800020;
  --maroon-light: #A0324A;
  --gold: #D4A017;
  --gold-light: #F0C75E;
  --cream: #FFF8F0;
  --cream-dark: #F5EDE0;
  --text-dark: #2D1810;
  --text-medium: #5A4030;
  --text-light: #8A7060;
  --white: #FFFFFF;
  --shadow-sm: 0 2px 8px rgba(45, 24, 16, 0.08);
  --shadow-md: 0 4px 16px rgba(45, 24, 16, 0.12);
  --shadow-lg: 0 8px 32px rgba(45, 24, 16, 0.16);
  --radius: 12px;
  --radius-sm: 8px;
  --font-marathi: 'Tiro Devanagari Marathi', serif;
  --font-heading: 'Playfair Display', serif;
  --font-body: 'Inter', sans-serif;
  --whatsapp: #25D366;
  --whatsapp-dark: #128C7E;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
}

body {
  font-family: var(--font-marathi);
  color: var(--text-dark);
  background: var(--cream);
  line-height: 1.7;
  overflow-x: hidden;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

img { max-width: 100%; height: auto; display: block; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }

/* ===== Navbar ===== */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(255, 248, 240, 0.95);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(212, 160, 23, 0.15);
  transition: box-shadow 0.3s;
}

.navbar.scrolled {
  box-shadow: var(--shadow-md);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--maroon);
}

.om-symbol {
  font-size: 1.8rem;
  color: var(--saffron);
  line-height: 1;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 8px;
}

.nav-links a {
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  font-size: 0.95rem;
  color: var(--text-medium);
  transition: all 0.2s;
  font-weight: 500;
}

.nav-links a:hover {
  background: rgba(255, 102, 0, 0.08);
  color: var(--saffron-dark);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}

.nav-toggle span {
  width: 24px;
  height: 2px;
  background: var(--text-dark);
  border-radius: 2px;
  transition: all 0.3s;
}

.lang-btn {
  background: var(--saffron);
  color: var(--white);
  border: none;
  padding: 6px 14px;
  border-radius: 20px;
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
  font-family: var(--font-body);
}

.lang-btn:hover {
  background: var(--saffron-dark);
  transform: scale(1.05);
}

/* ===== Hero ===== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #2D1810 0%, #800020 50%, #4A1520 100%);
  overflow: hidden;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23D4A017' fill-opacity='0.05'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}

.hero-mandala {
  position: absolute;
  width: 600px;
  height: 600px;
  border-radius: 50%;
  border: 1px solid rgba(212, 160, 23, 0.1);
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  animation: rotate 60s linear infinite;
}

.hero-mandala::before, .hero-mandala::after {
  content: '';
  position: absolute;
  border-radius: 50%;
  border: 1px solid rgba(212, 160, 23, 0.08);
}

.hero-mandala::before {
  inset: 40px;
}

.hero-mandala::after {
  inset: 80px;
}

@keyframes rotate {
  to { transform: translate(-50%, -50%) rotate(360deg); }
}

.hero-content {
  position: relative;
  text-align: center;
  color: var(--white);
  padding: 120px 24px 80px;
}

.hero-om {
  font-size: 4rem;
  color: var(--gold);
  margin-bottom: 16px;
  animation: pulse 3s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 0.8; transform: scale(1); }
  50% { opacity: 1; transform: scale(1.05); }
}

.hero-subtitle {
  display: block;
  font-size: 1.1rem;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--gold-light);
  margin-bottom: 12px;
  font-family: var(--font-body);
}

.hero-title {
  display: block;
  font-size: clamp(2.2rem, 5vw, 3.8rem);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 8px;
}

.hero-desc {
  font-size: 1.15rem;
  color: rgba(255, 255, 255, 0.8);
  max-width: 650px;
  margin: 24px auto 36px;
  line-height: 1.8;
}

.hero-buttons {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

.hero-sanskrit {
  margin-top: 60px;
  padding-top: 40px;
  border-top: 1px solid rgba(212, 160, 23, 0.2);
}

.hero-sanskrit p:first-child {
  font-size: 1.3rem;
  color: var(--gold);
  font-style: italic;
}

.sanskrit-meaning {
  font-size: 0.95rem;
  color: rgba(255, 255, 255, 0.6);
  margin-top: 8px;
}

.scroll-indicator {
  position: absolute;
  bottom: 30px;
  left: 50%;
  transform: translateX(-50%);
}

.scroll-indicator span {
  display: block;
  width: 24px;
  height: 38px;
  border: 2px solid rgba(212, 160, 23, 0.4);
  border-radius: 12px;
  position: relative;
}

.scroll-indicator span::after {
  content: '';
  width: 4px;
  height: 8px;
  background: var(--gold);
  border-radius: 2px;
  position: absolute;
  top: 6px;
  left: 50%;
  transform: translateX(-50%);
  animation: scrollDown 2s ease-in-out infinite;
}

@keyframes scrollDown {
  0%, 100% { opacity: 1; top: 6px; }
  50% { opacity: 0.3; top: 20px; }
}

/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  border-radius: 50px;
  font-size: 1rem;
  font-weight: 600;
  font-family: var(--font-marathi);
  transition: all 0.3s;
  cursor: pointer;
  border: none;
}

.btn-primary {
  background: var(--saffron);
  color: var(--white);
}

.btn-primary:hover {
  background: var(--saffron-dark);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(255, 102, 0, 0.35);
}

.btn-secondary {
  background: transparent;
  color: var(--white);
  border: 2px solid rgba(255, 255, 255, 0.4);
}

.btn-secondary:hover {
  border-color: var(--white);
  background: rgba(255, 255, 255, 0.1);
}

.btn-whatsapp {
  background: var(--whatsapp);
  color: var(--white);
  font-size: 1.1rem;
  padding: 16px 36px;
}

.btn-whatsapp:hover {
  background: var(--whatsapp-dark);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(37, 211, 102, 0.35);
}

.btn-whatsapp svg {
  width: 22px;
  height: 22px;
}

.btn-small {
  padding: 8px 20px;
  font-size: 0.9rem;
  background: var(--saffron);
  color: var(--white);
  border-radius: 50px;
  display: inline-block;
  margin-top: 8px;
}

.btn-small:hover {
  background: var(--saffron-dark);
}

/* ===== Sections ===== */
.section {
  padding: 100px 0;
}

.section-header {
  text-align: center;
  margin-bottom: 60px;
}

.section-tag {
  display: inline-block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--saffron);
  background: rgba(255, 102, 0, 0.08);
  padding: 6px 20px;
  border-radius: 20px;
  margin-bottom: 16px;
  letter-spacing: 1px;
  font-family: var(--font-body);
}

.section-header h2 {
  font-size: clamp(1.8rem, 3vw, 2.5rem);
  color: var(--maroon);
  line-height: 1.3;
}

.section-desc {
  font-size: 1.1rem;
  color: var(--text-light);
  max-width: 650px;
  margin: 16px auto 0;
}

/* ===== About ===== */
.about {
  background: var(--white);
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 60px;
  align-items: center;
}

.about-image {
  position: relative;
}

.about-img {
  width: 100%;
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  object-fit: cover;
}

.about-text p {
  font-size: 1.1rem;
  color: var(--text-medium);
  margin-bottom: 20px;
  line-height: 1.9;
}

.about-stats {
  display: flex;
  gap: 40px;
  margin-top: 32px;
  padding-top: 32px;
  border-top: 1px solid var(--cream-dark);
}

.stat {
  text-align: center;
}

.stat-number {
  display: block;
  font-size: 2.2rem;
  font-weight: 700;
  color: var(--saffron);
}

.stat-label {
  font-size: 0.9rem;
  color: var(--text-light);
}

/* ===== Teachings ===== */
.teachings {
  background: var(--cream);
}

.teachings-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.teaching-card {
  background: var(--white);
  padding: 36px 28px;
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  transition: all 0.3s;
  border: 1px solid transparent;
}

.teaching-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: rgba(255, 102, 0, 0.15);
}

.teaching-icon {
  font-size: 2.5rem;
  margin-bottom: 16px;
}

.teaching-card h3 {
  font-size: 1.2rem;
  color: var(--maroon);
  margin-bottom: 12px;
}

.teaching-card p {
  font-size: 0.95rem;
  color: var(--text-light);
  line-height: 1.7;
}

/* ===== Books ===== */
.books {
  background: var(--white);
}

.book-categories {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: center;
  margin-bottom: 40px;
}

.cat-btn {
  padding: 10px 22px;
  border: 2px solid var(--cream-dark);
  background: var(--white);
  border-radius: 50px;
  font-size: 0.9rem;
  font-family: var(--font-marathi);
  cursor: pointer;
  transition: all 0.2s;
  color: var(--text-medium);
}

.cat-btn:hover {
  border-color: var(--saffron);
  color: var(--saffron);
}

.cat-btn.active {
  background: var(--saffron);
  color: var(--white);
  border-color: var(--saffron);
}

.books-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 20px;
  max-height: 600px;
  overflow-y: auto;
  padding: 4px;
}

.books-grid::-webkit-scrollbar {
  width: 6px;
}

.books-grid::-webkit-scrollbar-thumb {
  background: var(--gold);
  border-radius: 3px;
}

.book-card {
  background: var(--cream);
  padding: 24px;
  border-radius: var(--radius-sm);
  border-left: 4px solid var(--gold);
  transition: all 0.2s;
}

.book-card:hover {
  transform: translateX(4px);
  box-shadow: var(--shadow-sm);
}

.book-card h4 {
  font-size: 1.05rem;
  color: var(--maroon);
  margin-bottom: 6px;
}

.book-card .book-category {
  font-size: 0.8rem;
  color: var(--text-light);
  font-family: var(--font-body);
}

.books-cta {
  text-align: center;
  margin-top: 48px;
  padding-top: 40px;
  border-top: 1px solid var(--cream-dark);
}

.books-cta p {
  font-size: 1.15rem;
  color: var(--text-medium);
  margin-bottom: 20px;
}

/* ===== Chatbot ===== */
.chatbot {
  background: linear-gradient(135deg, #F0FFF0 0%, var(--cream) 100%);
}

.chatbot-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: start;
}

.chatbot-feature {
  display: flex;
  gap: 16px;
  margin-bottom: 28px;
}

.feature-icon {
  font-size: 2rem;
  flex-shrink: 0;
}

.chatbot-feature h4 {
  font-size: 1.05rem;
  color: var(--text-dark);
  margin-bottom: 4px;
}

.chatbot-feature p {
  font-size: 0.9rem;
  color: var(--text-light);
}

.chatbot-examples {
  background: var(--white);
  padding: 24px;
  border-radius: var(--radius-sm);
  margin-top: 20px;
}

.chatbot-examples h4 {
  font-size: 1rem;
  color: var(--text-dark);
  margin-bottom: 12px;
}

.chatbot-examples li {
  padding: 8px 0;
  border-bottom: 1px solid var(--cream-dark);
  color: var(--text-medium);
  font-size: 0.95rem;
}

.chatbot-examples li:last-child {
  border-bottom: none;
}

.chatbot-cta-card {
  background: var(--white);
  padding: 48px 36px;
  border-radius: var(--radius);
  box-shadow: var(--shadow-md);
  text-align: center;
}

.whatsapp-icon-large {
  width: 80px;
  height: 80px;
  margin: 0 auto 24px;
  color: var(--whatsapp);
}

.whatsapp-icon-large svg {
  width: 100%;
  height: 100%;
}

.chatbot-cta-card h3 {
  font-size: 1.5rem;
  color: var(--text-dark);
  margin-bottom: 12px;
}

.chatbot-cta-card > p {
  color: var(--text-light);
  margin-bottom: 28px;
}

.chatbot-note {
  font-size: 0.8rem;
  color: var(--text-light);
  margin-top: 16px;
}

/* ===== Quote Banner ===== */
.quote-banner {
  background: linear-gradient(135deg, var(--maroon), var(--maroon-light));
  padding: 80px 0;
  text-align: center;
  color: var(--white);
}

.quote-banner blockquote p {
  font-size: 1.4rem;
  color: var(--gold-light);
  font-style: italic;
  line-height: 1.8;
}

.quote-banner cite {
  display: block;
  margin-top: 16px;
  color: rgba(255, 255, 255, 0.6);
  font-size: 0.95rem;
}

.quote-meaning {
  margin-top: 20px;
  font-size: 1rem;
  color: rgba(255, 255, 255, 0.75);
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

/* ===== Contact ===== */
.contact {
  background: var(--cream);
}

.contact-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.contact-card {
  background: var(--white);
  padding: 36px 28px;
  border-radius: var(--radius);
  text-align: center;
  box-shadow: var(--shadow-sm);
}

.contact-icon {
  font-size: 2.5rem;
  margin-bottom: 16px;
}

.contact-card h4 {
  font-size: 1.1rem;
  color: var(--maroon);
  margin-bottom: 8px;
}

.contact-card p {
  color: var(--text-light);
  font-size: 0.95rem;
}

/* ===== Footer ===== */
.footer {
  background: var(--text-dark);
  color: rgba(255, 255, 255, 0.7);
  padding: 48px 0;
  text-align: center;
}

.footer-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.3rem;
  color: var(--white);
  font-weight: 700;
}

.footer-brand .om-symbol {
  font-size: 2rem;
}

.footer-text {
  font-size: 0.95rem;
}

.footer-copy {
  font-size: 0.85rem;
  margin-top: 8px;
  opacity: 0.6;
}

/* ===== Responsive ===== */
@media (max-width: 968px) {
  .nav-links {
    position: fixed;
    top: 72px;
    left: 0;
    right: 0;
    background: var(--cream);
    flex-direction: column;
    padding: 24px;
    gap: 4px;
    transform: translateY(-120%);
    transition: transform 0.3s;
    box-shadow: var(--shadow-lg);
  }

  .nav-links.active {
    transform: translateY(0);
  }

  .nav-toggle {
    display: flex;
  }

  .about-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .about-image {
    max-width: 300px;
    margin: 0 auto;
  }

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

  .chatbot-grid {
    grid-template-columns: 1fr;
  }

  .contact-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .section {
    padding: 60px 0;
  }

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

  .about-stats {
    gap: 24px;
  }

  .stat-number {
    font-size: 1.8rem;
  }

  .hero-buttons {
    flex-direction: column;
    align-items: center;
  }

  .book-categories {
    gap: 6px;
  }

  .cat-btn {
    padding: 8px 16px;
    font-size: 0.8rem;
  }

  .books-grid {
    grid-template-columns: 1fr;
  }

  .chatbot-cta-card {
    padding: 32px 20px;
  }
}

/* ===== Animations ===== */
.fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}