/* Swarpanthi (राह रियाज़ की) - Main Style Sheet */
@import url('https://fonts.googleapis.com/css2?family=Lora:ital,wght@0,400..700;1,400..700&family=Marcellus&family=Tiro+Devanagari+Sanskrit:ital@0;1&family=Montserrat:wght@300;400;500;600;700&display=swap');

/* --- Design Tokens --- */
:root {
  --color-bg-light: #FCFBF7;
  --color-bg-alt: #F4EFE3;
  --color-primary: #A64B2A; /* Terracotta Saffron */
  --color-primary-hover: #8D3A1D;
  --color-secondary: #6E1E1E; /* Royal Crimson */
  --color-accent: #D4AF37; /* Indian Gold */
  --color-accent-dark: #B5932D;
  --color-text-main: #2A2A2A;
  --color-text-muted: #5A5A5A;
  --color-border: #E8E2D5;
  --color-glass-bg: rgba(252, 251, 247, 0.85);
  --color-shadow: rgba(42, 42, 42, 0.06);
  --color-shadow-hover: rgba(166, 75, 42, 0.12);
  
  --font-heading: 'Marcellus', serif;
  --font-hindi: 'Tiro Devanagari Sanskrit', serif;
  --font-body: 'Lora', serif;
  --font-sans: 'Montserrat', sans-serif;
  
  --transition-smooth: all 0.4s cubic-bezier(0.25, 0.8, 0.25, 1);
  --transition-fast: all 0.2s ease;
  
  --max-width: 1200px;
  --border-radius: 12px;
}

/* --- Global Reset & Base --- */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  background-color: var(--color-bg-light);
  color: var(--color-text-main);
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: normal;
  color: var(--color-secondary);
  letter-spacing: 0.03em;
}

p {
  margin-bottom: 1.5rem;
}

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

a:hover {
  color: var(--color-secondary);
}

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

/* --- Layout Utility Classes --- */
.container {
  width: 90%;
  max-width: var(--max-width);
  margin: 0 auto;
  position: relative;
}

.section {
  padding: 8rem 0;
  border-bottom: 1px solid var(--color-border);
}

.section-alt {
  background-color: var(--color-bg-alt);
}

.section-title {
  text-align: center;
  font-size: 2.8rem;
  margin-bottom: 1.5rem;
  position: relative;
}

.section-title::after {
  content: '';
  display: block;
  width: 80px;
  height: 2px;
  background: linear-gradient(to right, transparent, var(--color-accent), transparent);
  margin: 1rem auto 0 auto;
}

.section-subtitle {
  text-align: center;
  font-family: var(--font-sans);
  font-size: 1.1rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--color-primary);
  margin-bottom: 4rem;
}

.hindi-text {
  font-family: var(--font-hindi);
  font-weight: normal;
  color: var(--color-primary);
}

/* --- Header / Navigation --- */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background-color: var(--color-glass-bg);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-border);
  transition: var(--transition-smooth);
}

.header-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.5rem 0; /* Slimmer header padding */
}

.logo {
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: 0.8rem;
  text-decoration: none;
}

.logo img {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  border: 1px solid var(--color-accent);
  object-fit: cover;
  flex-shrink: 0;
  filter: grayscale(100%) contrast(1.15) brightness(0.95); /* Monochromatic filter */
  transition: var(--transition-smooth);
}

.logo:hover img {
  filter: grayscale(100%) contrast(1.3) brightness(1.05); /* Subtle hover feedback */
  border-color: var(--color-primary);
}

.logo-main {
  font-family: var(--font-heading);
  font-size: 1.5rem; /* Slightly smaller font size to fit neatly in a slim header */
  font-weight: normal;
  color: var(--color-secondary);
  letter-spacing: 0.03em;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  line-height: 1.2;
}

/* Note icon removed as it is replaced by logo image */

.logo-sub {
  font-family: var(--font-hindi);
  font-size: 0.85rem; /* Sized down slightly */
  color: var(--color-primary);
  margin-top: 5px; /* Increased separation space */
  padding-left: 0;
  line-height: 1.2;
}

.nav-menu {
  display: flex;
  list-style: none;
  gap: 2.5rem;
  align-items: center;
}

.nav-link {
  font-family: var(--font-sans);
  font-size: 0.9rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-text-main);
  transition: var(--transition-fast);
  position: relative;
  padding: 0.5rem 0;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--color-primary);
  transition: var(--transition-fast);
}

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

.nav-link:hover, .nav-link.active {
  color: var(--color-primary);
}

.mobile-nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
}

.mobile-nav-toggle span {
  display: block;
  width: 25px;
  height: 2px;
  background-color: var(--color-secondary);
  margin: 5px 0;
  transition: var(--transition-fast);
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-sans);
  font-size: 0.9rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 0.9rem 2.2rem;
  border-radius: 50px;
  cursor: pointer;
  transition: var(--transition-smooth);
  position: relative;
  overflow: hidden;
  border: none;
  outline: none;
}

.btn-primary {
  background-color: var(--color-primary);
  color: #FFF;
  box-shadow: 0 4px 15px rgba(166, 75, 42, 0.2);
}

.btn-primary:hover {
  background-color: var(--color-primary-hover);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(166, 75, 42, 0.3);
}

.btn-secondary {
  background-color: transparent;
  color: var(--color-secondary);
  border: 2px solid var(--color-secondary);
}

.btn-secondary:hover {
  background-color: var(--color-secondary);
  color: #FFF;
  transform: translateY(-2px);
}

.btn-gold {
  background-color: var(--color-accent);
  color: #2A2A2A;
  box-shadow: 0 4px 15px rgba(212, 175, 55, 0.2);
}

.btn-gold:hover {
  background-color: var(--color-accent-dark);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(212, 175, 55, 0.35);
}

.btn-whatsapp {
  background-color: #25D366;
  color: #FFF;
  box-shadow: 0 4px 15px rgba(37, 211, 102, 0.2);
}

.btn-whatsapp:hover {
  background-color: #128C7E;
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(37, 211, 102, 0.3);
}

/* --- Hero Section --- */
.hero-section {
  min-height: 100vh;
  display: flex;
  align-items: center;
  background: linear-gradient(to right, rgba(252, 251, 247, 0.92) 35%, rgba(252, 251, 247, 0.96) 100%), 
              url('assets/tanpura_clean.jpg') no-repeat right 15% center / contain;
  position: relative;
  padding-top: 100px;
  overflow: hidden;
}

.hero-content {
  max-width: 650px;
  z-index: 10;
}

.hero-tagline {
  font-family: var(--font-sans);
  font-size: 1.1rem;
  font-weight: 600;
  text-transform: uppercase;
  color: var(--color-primary);
  letter-spacing: 0.15em;
  margin-bottom: 1.5rem;
  animation: fadeInUp 1s ease;
}

.hero-title {
  font-size: 4rem;
  line-height: 1.15;
  margin-bottom: 1.5rem;
  animation: fadeInUp 1.2s ease;
}

.hero-desc {
  font-size: 1.25rem;
  color: var(--color-text-muted);
  margin-bottom: 2.5rem;
  animation: fadeInUp 1.4s ease;
}

.hero-actions {
  display: flex;
  gap: 1.5rem;
  flex-wrap: wrap;
  animation: fadeInUp 1.6s ease;
}

/* Visual wrapper styles removed to keep layout simple and stable */

/* Soundwaves animation graphic on hero */
.soundwaves {
  position: absolute;
  right: 5%;
  bottom: 10%;
  display: flex;
  align-items: flex-end;
  gap: 8px;
  height: 150px;
  z-index: 5;
  opacity: 0.4;
}

.soundwave-bar {
  width: 4px;
  background-color: var(--color-accent);
  border-radius: 4px;
  height: 20px;
  animation: soundwaveAnimation 1.2s ease-in-out infinite alternate;
}

.soundwave-bar:nth-child(2) { height: 40px; animation-delay: 0.1s; }
.soundwave-bar:nth-child(3) { height: 80px; animation-delay: 0.25s; }
.soundwave-bar:nth-child(4) { height: 120px; animation-delay: 0.05s; }
.soundwave-bar:nth-child(5) { height: 50px; animation-delay: 0.4s; }
.soundwave-bar:nth-child(6) { height: 90px; animation-delay: 0.15s; }
.soundwave-bar:nth-child(7) { height: 30px; animation-delay: 0.3s; }

/* --- About & Philosophy Section --- */
.about-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 5rem;
  align-items: center;
}

.about-text h3 {
  font-size: 2rem;
  margin-bottom: 1.5rem;
}

.guru-highlight {
  border-left: 3px solid var(--color-primary);
  padding-left: 1.5rem;
  font-style: italic;
  color: var(--color-secondary);
  font-size: 1.15rem;
  margin: 2rem 0;
}

/* Krishna Art Styling */
.inspiration-card {
  background-color: var(--color-bg-light);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius);
  padding: 1.5rem;
  box-shadow: 0 10px 30px var(--color-shadow);
  position: relative;
  overflow: hidden;
  transition: var(--transition-smooth);
}

.inspiration-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 15px 40px var(--color-shadow-hover);
  border-color: var(--color-accent);
}

.inspiration-image {
  border-radius: 8px;
  width: 100%;
  height: auto;
  object-fit: cover;
  margin-bottom: 1.5rem;
  border: 1px solid var(--color-border);
}

.inspiration-caption {
  text-align: center;
  font-family: var(--font-heading);
  color: var(--color-secondary);
  font-size: 1.3rem;
}

.inspiration-subcaption {
  text-align: center;
  font-family: var(--font-hindi);
  color: var(--color-primary);
  font-size: 1rem;
}

/* --- Course Explorer Section --- */
.course-tabs {
  display: flex;
  justify-content: center;
  gap: 1.5rem;
  margin-bottom: 3.5rem;
}

.tab-btn {
  font-family: var(--font-sans);
  font-size: 0.95rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 1rem 2.5rem;
  border-radius: 50px;
  border: 1px solid var(--color-border);
  background-color: #FFF;
  color: var(--color-text-muted);
  cursor: pointer;
  transition: var(--transition-smooth);
}

.tab-btn:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.tab-btn.active {
  background-color: var(--color-primary);
  border-color: var(--color-primary);
  color: #FFF;
  box-shadow: 0 4px 15px rgba(166, 75, 42, 0.2);
}

.course-content {
  background-color: #FFF;
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius);
  padding: 4rem;
  box-shadow: 0 15px 40px var(--color-shadow);
  display: none;
  animation: fadeIn 0.6s ease;
}

.course-content.active {
  display: block;
}

.course-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 4rem;
}

.course-title-block {
  margin-bottom: 2rem;
}

.course-level {
  font-family: var(--font-sans);
  color: var(--color-primary);
  text-transform: uppercase;
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  margin-bottom: 0.5rem;
}

.course-title {
  font-size: 2.5rem;
  margin-bottom: 0.8rem;
}

.course-duration {
  font-family: var(--font-sans);
  font-size: 0.95rem;
  color: var(--color-accent-dark);
  font-weight: 600;
  letter-spacing: 0.05em;
}

.course-desc {
  font-size: 1.1rem;
  color: var(--color-text-muted);
  margin-bottom: 2rem;
}

.syllabus-outline {
  margin-bottom: 2.5rem;
}

.syllabus-heading {
  font-size: 1.3rem;
  color: var(--color-secondary);
  margin-bottom: 1.2rem;
  font-weight: 600;
}

.syllabus-list {
  list-style: none;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem 2rem;
}

.syllabus-list li {
  position: relative;
  padding-left: 1.8rem;
  font-size: 1.05rem;
  color: var(--color-text-main);
}

.syllabus-list li::before {
  content: '✦';
  position: absolute;
  left: 0;
  color: var(--color-accent);
}

.course-meta-box {
  background-color: var(--color-bg-light);
  border: 1px dashed var(--color-accent);
  border-radius: var(--border-radius);
  padding: 2.5rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
}

.meta-fee-label {
  font-family: var(--font-sans);
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-text-muted);
}

.meta-fee-value {
  font-family: var(--font-heading);
  font-size: 3rem;
  color: var(--color-secondary);
  margin: 0.5rem 0 1.5rem 0;
}

.meta-fee-desc {
  font-size: 0.95rem;
  color: var(--color-text-muted);
  margin-bottom: 2.5rem;
}

.course-action-buttons {
  display: flex;
  flex-direction: column;
  width: 100%;
  gap: 1rem;
}

/* --- Riyaz Room Section --- */
.riyaz-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 5rem;
  align-items: center;
}

.riyaz-card {
  background-color: var(--color-secondary);
  color: #FCFBF7;
  padding: 3rem;
  border-radius: var(--border-radius);
  box-shadow: 0 15px 40px rgba(110, 30, 30, 0.15);
  position: relative;
  overflow: hidden;
}

.riyaz-card h3 {
  color: var(--color-accent);
  font-size: 2.2rem;
  margin-bottom: 1.5rem;
}

.riyaz-card p {
  color: #ECE7DF;
  margin-bottom: 2rem;
}

.riyaz-schedule-box {
  background-color: rgba(255, 255, 255, 0.08);
  border-radius: 8px;
  padding: 1.5rem;
  margin-bottom: 2.5rem;
}

.riyaz-schedule-title {
  font-family: var(--font-sans);
  text-transform: uppercase;
  font-size: 0.85rem;
  letter-spacing: 0.1em;
  color: var(--color-accent);
  margin-bottom: 1rem;
}

.riyaz-schedule-item {
  display: flex;
  justify-content: space-between;
  padding: 0.5rem 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.riyaz-schedule-item:last-child {
  border-bottom: none;
}

.riyaz-days {
  font-weight: 600;
}

.riyaz-time {
  font-family: var(--font-sans);
}

.riyaz-features-list {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
}

.riyaz-feature {
  display: flex;
  gap: 1.5rem;
}

.riyaz-feature-icon {
  width: 50px;
  height: 50px;
  background-color: var(--color-bg-alt);
  color: var(--color-primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  flex-shrink: 0;
  border: 1px solid var(--color-accent);
}

.riyaz-feature-text h4 {
  font-size: 1.25rem;
  color: var(--color-secondary);
  margin-bottom: 0.5rem;
  font-weight: 600;
}

.riyaz-feature-text p {
  color: var(--color-text-muted);
}

/* --- Student Setup Checklist --- */
.setup-container {
  max-width: 800px;
  margin: 0 auto;
  background-color: #FFF;
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius);
  padding: 4rem;
  box-shadow: 0 15px 40px var(--color-shadow);
}

.checklist {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.checklist-item {
  display: flex;
  align-items: flex-start;
  gap: 1.2rem;
}

.checklist-checkbox {
  width: 24px;
  height: 24px;
  border: 2px solid var(--color-accent);
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
  font-size: 0.8rem;
  font-weight: bold;
  flex-shrink: 0;
  margin-top: 3px;
  cursor: pointer;
  transition: var(--transition-fast);
}

.checklist-checkbox:hover {
  background-color: var(--color-bg-alt);
}

.checklist-checkbox.checked {
  background-color: var(--color-primary);
  border-color: var(--color-primary);
  color: #FFF;
}

.checklist-text h4 {
  font-size: 1.15rem;
  color: var(--color-secondary);
  margin-bottom: 0.2rem;
  font-family: var(--font-heading);
  font-weight: 600;
}

.checklist-text p {
  color: var(--color-text-muted);
  font-size: 0.95rem;
  margin-bottom: 0;
}

/* --- YouTube integration --- */
.youtube-showcase {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.youtube-embed-wrapper {
  position: relative;
  padding-bottom: 56.25%; /* 16:9 aspect ratio */
  height: 0;
  overflow: hidden;
  border-radius: var(--border-radius);
  box-shadow: 0 15px 40px var(--color-shadow);
  border: 1px solid var(--color-border);
}

.youtube-embed-wrapper iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border: none;
}

.youtube-info h3 {
  font-size: 2.2rem;
  margin-bottom: 1.5rem;
}

/* --- Admissions & Inquiry Form --- */
.inquiry-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 5rem;
}

.inquiry-form-card {
  background-color: #FFF;
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius);
  padding: 4rem;
  box-shadow: 0 15px 40px var(--color-shadow);
}

.form-title {
  font-size: 2rem;
  margin-bottom: 1rem;
}

.form-subtitle {
  color: var(--color-text-muted);
  margin-bottom: 2.5rem;
}

.form-group {
  margin-bottom: 1.8rem;
}

.form-label {
  display: block;
  font-family: var(--font-sans);
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-text-muted);
  margin-bottom: 0.6rem;
}

.form-input, .form-select, .form-textarea {
  width: 100%;
  font-family: var(--font-body);
  font-size: 1rem;
  padding: 0.9rem 1.2rem;
  border: 1px solid var(--color-border);
  border-radius: 8px;
  background-color: var(--color-bg-light);
  color: var(--color-text-main);
  transition: var(--transition-fast);
}

.form-input:focus, .form-select:focus, .form-textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  background-color: #FFF;
  box-shadow: 0 0 0 3px rgba(166, 75, 42, 0.08);
}

.form-textarea {
  resize: vertical;
  min-height: 120px;
}

.direct-connect-card {
  background-color: var(--color-bg-alt);
  border: 1px dashed var(--color-accent);
  border-radius: var(--border-radius);
  padding: 4rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.connect-title {
  font-size: 1.8rem;
  margin-bottom: 1rem;
  color: var(--color-secondary);
}

.connect-desc {
  color: var(--color-text-muted);
  margin-bottom: 2.5rem;
}

.contact-meta-item {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.contact-meta-icon {
  font-size: 1.5rem;
  color: var(--color-primary);
}

.contact-meta-text {
  font-family: var(--font-sans);
  font-weight: 500;
}

/* --- FAQ Accordion --- */
.faq-container {
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  background-color: #FFF;
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius);
  margin-bottom: 1.2rem;
  overflow: hidden;
  box-shadow: 0 4px 15px var(--color-shadow);
  transition: var(--transition-smooth);
}

.faq-item:hover {
  border-color: var(--color-accent);
}

.faq-trigger {
  width: 100%;
  background: none;
  border: none;
  padding: 1.8rem;
  text-align: left;
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
}

.faq-question {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  color: var(--color-secondary);
  font-weight: 600;
  margin: 0;
}

.faq-icon {
  font-size: 1.2rem;
  color: var(--color-primary);
  transition: var(--transition-smooth);
}

.faq-content {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease-out;
  padding: 0 1.8rem;
}

.faq-content p {
  padding-bottom: 1.8rem;
  color: var(--color-text-muted);
  margin: 0;
}

.faq-item.active .faq-icon {
  transform: rotate(45deg);
}

.faq-item.active .faq-content {
  max-height: 250px; /* adjusted to support longer paragraph text */
  padding-top: 0.5rem;
}

/* --- Footer --- */
.site-footer {
  background-color: var(--color-secondary);
  color: #FCFBF7;
  padding: 5rem 0 3rem 0;
  font-size: 0.95rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: 4rem;
  margin-bottom: 4rem;
}

.footer-brand h4 {
  color: var(--color-accent);
  font-size: 1.8rem;
  margin-bottom: 1rem;
}

.footer-brand p {
  color: #ECE7DF;
}

.footer-links-col h5 {
  font-family: var(--font-sans);
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-accent);
  margin-bottom: 1.5rem;
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.footer-links a {
  color: #ECE7DF;
  transition: var(--transition-fast);
}

.footer-links a:hover {
  color: var(--color-accent);
  padding-left: 5px;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: #ECE7DF;
  font-size: 0.85rem;
  font-family: var(--font-sans);
}

/* --- Mock Payment Modal Window --- */
.payment-modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: var(--transition-smooth);
}

.payment-modal.active {
  opacity: 1;
  pointer-events: auto;
}

.modal-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(42, 42, 42, 0.6);
  backdrop-filter: blur(5px);
}

.modal-card {
  background-color: #FFF;
  width: 90%;
  max-width: 480px;
  border-radius: var(--border-radius);
  padding: 3rem;
  position: relative;
  z-index: 10;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.2);
  transform: scale(0.9);
  transition: var(--transition-smooth);
  border: 1px solid var(--color-border);
}

.payment-modal.active .modal-card {
  transform: scale(1);
}

.modal-close {
  position: absolute;
  top: 1.5rem;
  right: 1.5rem;
  background: none;
  border: none;
  font-size: 1.5rem;
  color: var(--color-text-muted);
  cursor: pointer;
  transition: var(--transition-fast);
}

.modal-close:hover {
  color: var(--color-secondary);
}

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

.modal-header h3 {
  font-size: 1.6rem;
  color: var(--color-secondary);
}

.payment-details-table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 2rem;
}

.payment-details-table td {
  padding: 0.8rem 0;
  border-bottom: 1px solid var(--color-border);
}

.payment-details-table td.label {
  color: var(--color-text-muted);
  font-family: var(--font-sans);
  font-size: 0.85rem;
  text-transform: uppercase;
}

.payment-details-table td.value {
  text-align: right;
  font-weight: 600;
  color: var(--color-secondary);
}

.payment-details-table tr.total-row td {
  border-bottom: none;
  padding-top: 1.5rem;
}

.payment-details-table tr.total-row td.value {
  font-size: 1.8rem;
  color: var(--color-primary);
  font-family: var(--font-heading);
}

.payment-success-graphic {
  display: none;
  text-align: center;
  flex-direction: column;
  align-items: center;
  animation: fadeIn 0.4s ease;
}

.success-icon {
  width: 80px;
  height: 80px;
  background-color: rgba(37, 211, 102, 0.1);
  color: #25D366;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3rem;
  margin-bottom: 1.5rem;
}

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

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes soundwaveAnimation {
  0% { transform: scaleY(0.2); }
  100% { transform: scaleY(1); }
}

/* --- Responsive Media Queries --- */
@media (max-width: 992px) {
  .hero-title {
    font-size: 3rem;
  }
  .about-grid, .riyaz-grid, .youtube-showcase, .inquiry-grid {
    grid-template-columns: 1fr;
    gap: 4rem;
  }
  .inspiration-card {
    max-width: 400px;
    margin: 0 auto;
  }
  .riyaz-card {
    order: 2;
  }
  .riyaz-features-list {
    order: 1;
  }
}

@media (max-width: 768px) {
  .hero-section {
    background: linear-gradient(rgba(252, 251, 247, 0.92), rgba(252, 251, 247, 0.96)), 
                url('assets/tanpura_clean.jpg') no-repeat center center / contain;
  }
  .section {
    padding: 5rem 0;
  }
  .section-title {
    font-size: 2.2rem;
  }
  .nav-menu {
    position: fixed;
    top: 80px;
    left: -100%;
    width: 100%;
    height: calc(100vh - 80px);
    background-color: var(--color-bg-light);
    flex-direction: column;
    padding: 3rem 0;
    gap: 2rem;
    transition: var(--transition-smooth);
    border-top: 1px solid var(--color-border);
    box-shadow: 0 10px 20px rgba(0,0,0,0.05);
  }
  .nav-menu.active {
    left: 0;
  }
  .mobile-nav-toggle {
    display: block;
    order: 3; /* Push to far right */
  }
  .header-container nav {
    order: 2; /* Position middle wrapper */
  }
  .mobile-nav-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
  }
  .mobile-nav-toggle.active span:nth-child(2) {
    opacity: 0;
  }
  .mobile-nav-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -6px);
  }
  .course-tabs {
    flex-direction: column;
    align-items: stretch;
  }
  .course-content {
    padding: 2.5rem;
  }
  .course-grid {
    grid-template-columns: 1fr;
    gap: 3rem;
  }
  .syllabus-list {
    grid-template-columns: 1fr;
  }
  .inquiry-form-card, .direct-connect-card, .setup-container {
    padding: 2.5rem 1.5rem;
  }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 3rem;
  }
  .footer-bottom {
    flex-direction: column;
    gap: 1rem;
    text-align: center;
  }
  .soundwaves {
    display: none;
  }
}

/* --- Mobile Polish (Max-width 480px) --- */
@media (max-width: 480px) {
  .hero-title {
    font-size: 2.2rem;
  }
  .hero-desc {
    font-size: 1.05rem;
  }
  .section-title {
    font-size: 1.8rem;
  }
  .tab-btn {
    padding: 0.8rem 1.2rem;
    font-size: 0.85rem;
  }
  .course-title {
    font-size: 2rem;
  }
  .meta-fee-value {
    font-size: 2.5rem;
  }
  .section {
    padding: 4rem 0;
  }
  .inquiry-form-card, .direct-connect-card, .riyaz-card, .modal-card {
    padding: 2rem 1.2rem;
  }
  .modal-card {
    width: 95%;
  }
}