/* --- Root Variables & Styling --- */
 :root {
      --maroon: #800020;
      --deep-maroon: #4a0012;
      --gold: #D4AF37;
      --bright-gold: #F3E5AB;
      --rich-gold: #AA771C;
      --cream: #FFFDF6;
      --warm-white: #FAF6EE;
      --accent-red: #B22222;
      --text-dark: #2C1810;
      --text-muted: #6B4E3D;
      --shadow: 0 10px 30px rgba(0,0,0,0.15);
    }

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

    body {
      background-color: var(--cream);
      color: var(--text-dark);
      font-family: 'Mukta Malar', sans-serif;
      line-height: 1.8;
      overflow-x: hidden;
      scroll-behavior: smooth;
    }

    body.envelope-closed {
      overflow: hidden;
    }

    .page-content {
      display: none;
    }

    .page-content.show {
      display: block;
    }

    .envelope-overlay {
      position: fixed;
      inset: 0;
      z-index: 2000;
      display: flex;
      align-items: center;
      justify-content: center;
      padding: 1rem;
      background: radial-gradient(circle at top, rgba(255, 245, 220, 0.96), rgba(120, 20, 40, 0.95));
      transition: opacity 0.7s ease, transform 0.7s ease;
    }

    .envelope-overlay.opened {
      opacity: 0;
      pointer-events: none;
      transform: scale(1.04);
    }

    .envelope {
      width: min(90vw, 430px);
      height: 260px;
      position: relative;
      cursor: pointer;
      perspective: 1000px;
    }

    .envelope .front,
    .envelope .back {
      position: absolute;
      inset: 0;
      border-radius: 18px;
      box-shadow: 0 12px 35px rgba(0, 0, 0, 0.25);
      overflow: hidden;
      backface-visibility: hidden;
    }

    .envelope .front {
      background: linear-gradient(135deg, #b6324d, #7d0e24);
      display: flex;
      align-items: center;
      justify-content: center;
      flex-direction: column;
      text-align: center;
      color: #fff;
      padding: 1.5rem;
      border: 2px solid rgba(255,255,255,0.25);
    }

    .envelope .front::before {
      content: '';
      position: absolute;
      inset: 0;
      border: 2px solid rgba(212, 175, 55, 0.6);
      border-radius: 18px;
      pointer-events: none;
    }

    .envelope .back {
      background: linear-gradient(135deg, #9a1631, #5f071b);
      transform: rotateY(180deg);
      display: flex;
      align-items: center;
      justify-content: center;
      color: #fff;
      font-size: 1.1rem;
      font-weight: 700;
      letter-spacing: 1px;
      text-transform: uppercase;
    }

    .envelope .flap {
      position: absolute;
      top: -1px;
      left: 0;
      width: 100%;
      height: 55%;
      background: linear-gradient(135deg, #e06577, #9a1530);
      border-radius: 18px 18px 0 0;
      transform-origin: top center;
      transition: transform 0.8s ease;
      z-index: 2;
    }

    .envelope-overlay.opened .flap {
      transform: rotateX(180deg);
    }

    .envelope .label {
      position: relative;
      z-index: 3;
      font-size: 1.15rem;
      font-weight: 700;
      letter-spacing: 1px;
      text-transform: uppercase;
      margin-top: 0.3rem;
      text-shadow: 0 2px 6px rgba(0,0,0,0.35);
      color: var(--bright-gold);
    }

    .envelope .seal {
      width: 56px;
      height: 56px;
      border-radius: 50%;
      border: 3px solid var(--gold);
      display: flex;
      align-items: center;
      justify-content: center;
      margin-bottom: 0.6rem;
      color: var(--gold);
      font-size: 1.3rem;
      font-weight: 700;
      background: rgba(255,255,255,0.12);
      box-shadow: inset 0 0 0 2px rgba(255,255,255,0.12);
    }

    /* Traditional Kolam / Paisley Background Pattern */
    .bg-pattern {
      background-image: radial-gradient(var(--gold) 0.75px, transparent 0.75px), radial-gradient(var(--gold) 0.75px, var(--cream) 0.75px);
      background-size: 30px 30px;
      background-position: 0 0, 15px 15px;
      opacity: 0.95;
    }

    /* Typography Classes */
    .ta-font { font-family: 'Mukta Malar', 'Arima', serif; }
    .en-font { font-family: 'Cinzel', serif; }
    .script-font { font-family: 'Great Vibes', cursive; }

    /* Decorative Borders & Cards */
    .gold-border-box {
      border: 3px double var(--gold);
      position: relative;
      background: rgba(255, 253, 246, 0.92);
      backdrop-filter: blur(5px);
      box-shadow: var(--shadow);
    }

    .gold-border-box::before, .gold-border-box::after {
      content: '❖';
      position: absolute;
      color: var(--gold);
      font-size: 1.2rem;
    }
    .gold-border-box::before { top: 5px; left: 8px; }
    .gold-border-box::after { bottom: 5px; right: 8px; }

    /* Header & Hero Section */
    .hero {
      min-height: 100vh;
      display: flex;
      flex-direction: column;
      justify-content: center;
      align-items: center;
      text-align: center;
      padding: 2rem 1rem;
      background: url('img/tamil.png');
      background-size: cover, cover;
      background-position: center, center;
      background-repeat: no-repeat, no-repeat;
      color: var(--warm-white);
      position: relative;
      border-bottom: 6px solid var(--gold);
    }

    .pillayar-motto {
      font-size: 2.2rem;
      color: var(--gold);
      margin-bottom: 0.5rem;
      text-shadow: 0 2px 4px rgba(0,0,0,0.5);
    }

    .invitation-header-tag {
      font-size: 1.1rem;
      letter-spacing: 3px;
      text-transform: uppercase;
      color: var(--bright-gold);
      margin-bottom: 1rem;
    }

    .couples-title {
      font-size: 3rem;
      font-weight: 800;
      color: #FFF;
      margin: 1rem 0;
      text-shadow: 2px 2px 8px rgba(0,0,0,0.6);
      line-height: 1.3;
    }

    .couples-title span {
      color: var(--gold);
      display: inline-block;
      padding: 0 0.5rem;
    }

    .hero-subtitle {
      font-size: 1.25rem;
      max-width: 700px;
      margin: 0 auto 2rem;
      color: #F0E6D2;
    }

    /* Personalized Hero Guest Box */
    .guest-invite-banner {
      margin-bottom: 1.5rem;
      padding: 0.6rem 1.8rem;
      border-top: 1px solid rgba(212, 175, 55, 0.4);
      border-bottom: 1px solid rgba(212, 175, 55, 0.4);
      background: rgba(0, 0, 0, 0.25);
      backdrop-filter: blur(4px);
      border-radius: 30px;
    }

    .guest-invite-banner span {
      display: block;
      font-size: 0.85rem;
      letter-spacing: 2px;
      text-transform: uppercase;
      color: var(--bright-gold);
    }

    .guest-name-hero {
      font-size: 1.8rem;
      color: #FFF;
      font-weight: 700;
      text-shadow: 0 2px 5px rgba(0,0,0,0.5);
    }

    /* Countdown Timer */
    .countdown-container {
      display: flex;
      justify-content: center;
      gap: 1.2rem;
      margin-top: 1.5rem;
      flex-wrap: wrap;
    }

    .time-box {
      background: rgba(0, 0, 0, 0.4);
      border: 1px solid var(--gold);
      padding: 0.8rem 1.2rem;
      border-radius: 8px;
      min-width: 85px;
      text-align: center;
      box-shadow: 0 4px 10px rgba(0,0,0,0.3);
    }

    .time-box .number {
      font-size: 1.8rem;
      font-weight: 700;
      color: var(--bright-gold);
      display: block;
      font-family: 'Cinzel', serif;
    }

    .time-box .label {
      font-size: 0.75rem;
      text-transform: uppercase;
      color: #DDD;
      letter-spacing: 1px;
    }

    /* Main Container */
    .container {
      max-width: 1000px;
      margin: 0 auto;
      padding: 3rem 1.5rem;
    }

    /* Section Styles */
    .section-title {
      text-align: center;
      margin-bottom: 2.5rem;
      position: relative;
    }

    .section-title h2 {
      font-size: 2.2rem;
      color: var(--maroon);
      display: inline-block;
      padding-bottom: 0.5rem;
    }

    .section-title h2::after {
      content: '';
      display: block;
      width: 80px;
      height: 3px;
      background: var(--gold);
      margin: 8px auto 0;
      border-radius: 2px;
    }

    .section-title p {
      color: var(--text-muted);
      font-size: 1.05rem;
      margin-top: 0.3rem;
    }

    /* Family / Couple Details Card */
    .couple-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 2rem;
      margin-bottom: 3rem;
    }

    @media (max-width: 768px) {
      .couple-grid {
        grid-template-columns: 1fr;
      }
    }

    .profile-card {
      padding: 2.5rem 1.8rem;
      border-radius: 12px;
      text-align: center;
    }

    .profile-card h3 {
      color: var(--maroon);
      font-size: 1.8rem;
      margin-bottom: 0.3rem;
    }

    .profile-card .qualification {
      font-size: 0.95rem;
      color: var(--rich-gold);
      font-weight: 600;
      margin-bottom: 1rem;
      text-transform: uppercase;
      letter-spacing: 1px;
    }

    .profile-card .parents {
      font-size: 1.05rem;
      color: var(--text-dark);
      border-top: 1px dashed var(--gold);
      padding-top: 1rem;
      margin-top: 1rem;
    }

    /* Event Timeline */
    .events-wrapper {
      display: flex;
      flex-direction: column;
      gap: 2rem;
    }

    .event-card {
      display: grid;
      grid-template-columns: 120px 1fr;
      background: #FFF;
      border-radius: 12px;
      overflow: hidden;
      box-shadow: 0 5px 20px rgba(0,0,0,0.08);
      border: 1px solid rgba(212, 175, 55, 0.4);
      transition: transform 0.3s ease;
    }

    .event-card:hover {
      transform: translateY(-3px);
    }

    .event-date-badge {
      background: linear-gradient(180deg, var(--maroon), var(--deep-maroon));
      color: #FFF;
      display: flex;
      flex-direction: column;
      justify-content: center;
      align-items: center;
      padding: 1rem;
      text-align: center;
    }

    .event-date-badge .day {
      font-size: 2rem;
      font-weight: 800;
      line-height: 1;
      color: var(--gold);
    }

    .event-date-badge .month {
      font-size: 0.9rem;
      text-transform: uppercase;
      letter-spacing: 1px;
      margin-top: 4px;
    }

    .event-details {
      padding: 1.5rem 2rem;
    }

    .event-details h4 {
      font-size: 1.5rem;
      color: var(--maroon);
      margin-bottom: 0.5rem;
    }

    .event-info-line {
      display: flex;
      align-items: center;
      gap: 0.5rem;
      color: var(--text-muted);
      margin-bottom: 0.4rem;
      font-size: 1rem;
    }

    .event-info-line svg {
      fill: var(--gold);
      width: 18px;
      height: 18px;
      flex-shrink: 0;
    }

    .event-desc {
      margin-top: 0.8rem;
      color: var(--text-dark);
      font-size: 0.98rem;
    }

    @media (max-width: 600px) {
      .event-card {
        grid-template-columns: 1fr;
      }
      .event-date-badge {
        padding: 0.8rem;
        flex-direction: row;
        gap: 0.5rem;
      }
      .event-date-badge .day { font-size: 1.4rem; }
    }

    /* Venue & Map Section */
    .venue-section {
      background: linear-gradient(to bottom, #FAF6EE, #FFFDF6);
      padding: 3rem 1.5rem;
      border-radius: 16px;
      margin-top: 3rem;
      border: 1px solid var(--gold);
      text-align: center;
    }

    .venue-title {
      font-size: 1.8rem;
      color: var(--maroon);
      margin-bottom: 0.5rem;
    }

    .venue-address {
      font-size: 1.1rem;
      color: var(--text-dark);
      margin-bottom: 1.5rem;
    }

    .btn-gold {
      display: inline-flex;
      align-items: center;
      gap: 0.6rem;
      background: linear-gradient(135deg, var(--gold), var(--rich-gold));
      color: #FFF;
      padding: 0.8rem 1.8rem;
      border-radius: 30px;
      text-decoration: none;
      font-weight: 700;
      box-shadow: 0 4px 15px rgba(170, 119, 28, 0.3);
      transition: all 0.3s ease;
      border: none;
      cursor: pointer;
      font-size: 1rem;
    }

    .btn-gold:hover {
      transform: translateY(-2px);
      box-shadow: 0 6px 20px rgba(170, 119, 28, 0.4);
      background: linear-gradient(135deg, var(--rich-gold), var(--gold));
    }

    /* RSVP Form Section */
    .rsvp-card {
      max-width: 650px;
      margin: 3rem auto 0;
      padding: 2.5rem;
      border-radius: 12px;
    }

    .form-group {
      margin-bottom: 1.3rem;
      text-align: left;
    }

    .form-group label {
      display: block;
      margin-bottom: 0.4rem;
      font-weight: 600;
      color: var(--maroon);
    }

    .form-control {
      width: 100%;
      padding: 0.8rem 1rem;
      border: 1px solid #D1C7BD;
      border-radius: 6px;
      font-size: 1rem;
      font-family: inherit;
      background: #FFF;
      transition: border-color 0.3s;
    }

    .form-control:focus {
      outline: none;
      border-color: var(--gold);
      box-shadow: 0 0 0 3px rgba(212, 175, 55, 0.2);
    }

    /* Floating Audio Player Control */
    .music-control {
      position: fixed;
      bottom: 20px;
      right: 20px;
      z-index: 1000;
      background: var(--maroon);
      color: var(--gold);
      border: 2px solid var(--gold);
      border-radius: 50%;
      width: 50px;
      height: 50px;
      display: flex;
      justify-content: center;
      align-items: center;
      cursor: pointer;
      box-shadow: 0 4px 15px rgba(0,0,0,0.3);
      transition: transform 0.3s ease;
    }

    .music-control:hover {
      transform: scale(1.1);
    }

    /* Footer */
    footer {
      background: var(--deep-maroon);
      color: var(--bright-gold);
      text-align: center;
      padding: 2.5rem 1rem;
      margin-top: 4rem;
      border-top: 4px solid var(--gold);
    }

    footer p {
      font-size: 1.05rem;
      opacity: 0.9;
    }

    .blessings-text {
      font-size: 1.3rem;
      font-style: italic;
      color: #FFF;
      margin-bottom: 0.8rem;
    }

    /* Custom Decorative Elements */
    .mangalyam-icon {
      width: 60px;
      height: 60px;
      margin: 0 auto 1rem;
      display: block;
    }