:root {
      --primary: #1E3A8A;
      --gold: #D97706;
      --bg-light: #F8FAFC;
      --bg-dark: #0F172A;
    }
    * { box-sizing: border-box; margin: 0; padding: 0; }
    html, body {
      background-color: var(--bg-dark);
      font-family: 'Inter', -apple-system, sans-serif;
      color: #0F172A;
      overflow-x: hidden;
      -webkit-font-smoothing: antialiased;
    }
    body.locked { overflow: hidden !important; }

    .font-mono { font-family: 'Courier New', Courier, monospace; }
    .font-display { font-family: 'Inter', sans-serif; font-weight: 800; }

    /* Audio Toggle */
    #audio-widget {
      position: fixed;
      top: 20px;
      right: 20px;
      z-index: 9999;
      width: 44px;
      height: 44px;
      border-radius: 50%;
      background: rgba(15, 23, 42, 0.85);
      border: 1px solid var(--gold);
      color: var(--gold);
      display: flex;
      align-items: center;
      justify-content: center;
      cursor: pointer;
      box-shadow: 0 4px 15px rgba(0,0,0,0.4);
    }

    /* Skip Intro Button */
    #skip-intro-btn {
      position: absolute;
      top: 20px;
      left: 20px;
      z-index: 50;
      padding: 6px 14px;
      border-radius: 9999px;
      background: rgba(15, 23, 42, 0.6);
      backdrop-filter: blur(6px);
      border: 1px solid rgba(255, 255, 255, 0.25);
      color: rgba(255, 255, 255, 0.9);
      font-size: 11px;
      letter-spacing: 0.1em;
      text-transform: uppercase;
      font-family: inherit;
      cursor: pointer;
      transition: all 0.3s ease;
    }
    #skip-intro-btn:hover {
      background: rgba(15, 23, 42, 0.9);
      border-color: var(--gold);
      color: var(--gold);
    }

    /* Hero Gate (Passport Cover) */
    .hero-gate {
      position: relative;
      min-height: 100vh;
      width: 100%;
      background: #0B1120;
      display: flex;
      align-items: center;
      justify-content: center;
      cursor: pointer;
      overflow: hidden;
    }
    .hero-video {
      position: absolute;
      inset: 0;
      width: 100%;
      height: 100%;
      object-fit: cover;
      // opacity: 0.75;
    }
    .hero-overlay {
      position: absolute;
      inset: 0;
      pointer-events: none;
    }

    /* Passport Gold Stamp Trigger */
    .passport-stamp-trigger {
      position: absolute;
      z-index: 30;
      top: 50%;
      left: 50%;
      transform: translate(-50%, -50%);
      display: flex;
      flex-direction: column;
      align-items: center;
      cursor: pointer;
      transition: all 0.6s ease;
    }
    .passport-stamp {
      width: 130px;
      height: 130px;
      border-radius: 50%;
      border: 3px double var(--gold);
      background: rgba(15, 23, 42, 0.85);
      backdrop-filter: blur(8px);
      box-shadow: 0 10px 30px rgba(0,0,0,0.6);
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      color: #fff;
    }
    .stamp-plane { font-size: 28px; color: var(--gold); }
    .stamp-text {
      font-size: 9px;
      // letter-spacing: 0.25em;
      text-transform: uppercase;
      color: var(--gold);
      margin-top: 4px;
      font-weight: 700;
    }

    /* Hero Typography */
    .hero-content {
      position: relative;
      z-index: 20;
      text-align: center;
      max-width: 800px;
      padding: 30px;
      opacity: 0;
      transform: translateY(30px);
      transition: all 1.2s cubic-bezier(0.16, 1, 0.3, 1);
      color: #FAF7F2;
    }
    .hero-content::before {
      content: '';
      position: absolute;
      top: -40px;
      bottom: -40px;
      left: 0;
      right: 0;
      background: linear-gradient(
        to bottom,
        rgba(11, 15, 25, 0) 0%,
        rgba(11, 15, 25, 0.7) 25%,
        rgba(11, 15, 25, 0.7) 75%,
        rgba(11, 15, 25, 0) 100%
      );
      z-index: -1;
      pointer-events: none;
    }
    .hero-content.revealed { opacity: 1; transform: translateY(0); }

    /* Perforated Boarding Pass Ticket */
    .boarding-pass-container {
      max-width: 720px;
      margin: 0 auto;
      background: #FFFFFF;
      border-radius: 16px;
      box-shadow: 0 20px 50px rgba(0, 0, 0, 0.25);
      overflow: hidden;
      border: 1px solid rgba(0, 0, 0, 0.1);
      position: relative;
    }
    .pass-header {
      background: var(--primary);
      color: #fff;
      padding: 20px 28px;
      display: flex;
      justify-content: space-between;
      align-items: center;
    }
    .pass-airline {
      font-size: 13px;
      letter-spacing: 0.2em;
      font-weight: 700;
      color: var(--gold);
      text-transform: uppercase;
    }
    .pass-flight-no {
      font-family: 'Courier New', monospace;
      font-size: 14px;
      font-weight: 700;
      background: rgba(255, 255, 255, 0.15);
      padding: 4px 10px;
      border-radius: 4px;
    }

    .pass-body {
      padding: 32px 28px;
      display: flex;
      flex-direction: column;
      gap: 24px;
    }
    .pass-route {
      display: flex;
      justify-content: space-between;
      align-items: center;
      border-bottom: 2px dashed #E2E8F0;
      padding-bottom: 24px;
    }
    .route-city h3 {
      font-size: 32px;
      font-weight: 900;
      color: var(--primary);
      line-height: 1;
    }
    .route-city p {
      font-size: 11px;
      color: #64748B;
      text-transform: uppercase;
      letter-spacing: 0.1em;
      margin-top: 4px;
    }
    .route-plane {
      font-size: 24px;
      color: var(--gold);
    }

    .pass-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 16px;
      text-align: left;
    }
    .pass-field-label {
      font-size: 10px;
      text-transform: uppercase;
      letter-spacing: 0.15em;
      color: #94A3B8;
      font-weight: 600;
    }
    .pass-field-val {
      font-size: 15px;
      font-weight: 700;
      color: #0F172A;
      margin-top: 4px;
      font-family: 'Courier New', monospace;
    }

    /* Barcode & Stub Divider */
    .pass-barcode-row {
      display: flex;
      justify-content: space-between;
      align-items: center;
      border-top: 2px dashed #CBD5E1;
      padding-top: 20px;
      position: relative;
    }
    .barcode-svg {
      height: 48px;
      width: 220px;
      fill: #0F172A;
    }
    .stub-notch-left, .stub-notch-right {
      position: absolute;
      top: -12px;
      width: 24px;
      height: 24px;
      border-radius: 50%;
      background: var(--bg-light);
    }
    .stub-notch-left { left: -40px; }
    .stub-notch-right { right: -40px; }

    /* Airport Terminal Departure Board */
    .terminal-section {
      background-color: var(--bg-dark);
      padding: 80px 24px;
      text-align: center;
    }
    .terminal-board {
      max-width: 800px;
      margin: 40px auto 0 auto;
      background: #0F172A;
      border-radius: 12px;
      padding: 24px;
      border: 2px solid #334155;
      box-shadow: 0 15px 40px rgba(0,0,0,0.4);
      overflow: hidden;
    }
    .terminal-board-header {
      display: grid;
      grid-template-columns: 85px 65px 1fr 90px;
      gap: 16px;
      font-family: 'Courier New', monospace;
      font-size: 11px;
      letter-spacing: 0.15em;
      color: var(--gold);
      border-bottom: 1px solid #334155;
      padding-bottom: 12px;
      margin-bottom: 8px;
      text-transform: uppercase;
      text-align: left;
    }
    .terminal-board-header .col-time { text-align: left; }
    .terminal-board-header .col-flight { text-align: left; }
    .terminal-board-header .col-event { text-align: left; }
    .terminal-board-header .col-status { text-align: right; }

    .terminal-row {
      display: grid;
      grid-template-columns: 85px 65px 1fr 90px;
      gap: 16px;
      align-items: flex-start;
      padding: 14px 0;
      border-bottom: 1px solid rgba(255, 255, 255, 0.08);
      color: #F8FAFC;
      font-family: 'Courier New', monospace;
      text-align: left;
    }
    .terminal-row:last-child { border-bottom: none; }
    .col-time.terminal-time {
      font-size: 13px;
      color: #F59E0B;
      font-weight: 700;
      text-align: left;
      white-space: nowrap;
    }
    .col-flight.terminal-flight-code {
      color: #94A3B8;
      font-size: 12px;
      font-weight: 600;
      text-align: left;
      white-space: nowrap;
    }
    .col-event {
      text-align: left;
      min-width: 0;
    }
    .terminal-label {
      font-size: 15px;
      font-weight: 700;
      color: #fff;
      line-height: 1.35;
      text-align: left;
      word-wrap: break-word;
      overflow-wrap: break-word;
    }
    .terminal-desc {
      font-family: 'Inter', sans-serif;
      font-size: 12px;
      color: #94A3B8;
      margin-top: 4px;
      line-height: 1.4;
      text-align: left;
      word-wrap: break-word;
      overflow-wrap: break-word;
    }
    .col-status.terminal-status {
      text-align: right;
      font-size: 11px;
      font-weight: 700;
      letter-spacing: 0.08em;
      white-space: nowrap;
      display: flex;
      align-items: center;
      justify-content: flex-end;
      gap: 5px;
    }
    .status-boarding { color: #10B981; }
    .status-ontime { color: #10B981; }
    .status-scheduled { color: #38BDF8; }
    .pulse-dot {
      width: 6px;
      height: 6px;
      border-radius: 50%;
      background: #10B981;
      box-shadow: 0 0 8px #10B981;
      animation: pulseBoarding 1.5s infinite ease-in-out;
      display: inline-block;
      flex-shrink: 0;
    }
    @keyframes pulseBoarding {
      0%, 100% { opacity: 1; transform: scale(1); }
      50% { opacity: 0.4; transform: scale(0.8); }
    }

    @media (max-width: 640px) {
      .terminal-section {
        padding: 48px 12px !important;
      }
      .terminal-board {
        padding: 16px 10px;
        margin: 20px auto 0 auto;
      }
      .terminal-board-header {
        grid-template-columns: 64px 42px 1fr 72px;
        gap: 8px;
        font-size: 10px;
        letter-spacing: 0.1em;
        padding-bottom: 8px;
        margin-bottom: 4px;
      }
      .terminal-row {
        grid-template-columns: 64px 42px 1fr 72px;
        gap: 8px;
        padding: 12px 0;
      }
      .col-time.terminal-time {
        font-size: 11px;
      }
      .col-flight.terminal-flight-code {
        font-size: 11px;
      }
      .terminal-label {
        font-size: 13px;
        line-height: 1.25;
      }
      .terminal-desc {
        font-size: 11px;
        line-height: 1.3;
        margin-top: 3px;
      }
    /* Moments Postcards Gallery */
    .passport-gallery-section {
      background-color: #F1F5F9;
      padding: 80px 24px;
      text-align: center;
      border-top: 2px dashed #CBD5E1;
      border-bottom: 2px dashed #CBD5E1;
    }
    .postcards-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
      gap: 24px;
      max-width: 900px;
      margin: 36px auto 0 auto;
    }
    .postcard-card {
      background: #FFFFFF;
      padding: 12px 12px 18px 12px;
      border-radius: 8px;
      border: 1px solid #E2E8F0;
      box-shadow: 0 10px 25px rgba(0,0,0,0.08);
      transition: transform 0.3s ease, box-shadow 0.3s ease;
    }
    .postcard-card:hover {
      transform: translateY(-4px);
      box-shadow: 0 16px 32px rgba(0,0,0,0.14);
    }
    .postcard-img-wrap {
      position: relative;
      overflow: hidden;
      border-radius: 4px;
      aspect-ratio: 4/3;
      background: #E2E8F0;
    }
    .postcard-img-wrap img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      display: block;
      transition: transform 0.4s ease;
    }
    .postcard-card:hover .postcard-img-wrap img {
      transform: scale(1.04);
    }
    .postcard-stamp {
      position: absolute;
      top: 8px;
      right: 8px;
      background: rgba(15, 23, 42, 0.85);
      color: var(--gold);
      border: 1px dashed var(--gold);
      font-family: 'Courier New', monospace;
      font-size: 9px;
      letter-spacing: 0.1em;
      padding: 4px 8px;
      border-radius: 3px;
      text-transform: uppercase;
      font-weight: 700;
    }
    .postcard-footer {
      display: flex;
      justify-content: space-between;
      align-items: center;
      margin-top: 12px;
      font-family: 'Courier New', monospace;
      font-size: 10px;
      color: #64748B;
      letter-spacing: 0.08em;
      border-top: 1px dashed #E2E8F0;
      padding-top: 10px;
    }

    @media (max-width: 640px) {
      .passport-gallery-section {
        padding: 48px 16px !important;
      }
      .postcards-grid {
        grid-template-columns: 1fr;
        gap: 18px;
      }
    }

    /* Luggage Tag RSVP */
    .luggage-tags-container {
      display: flex;
      justify-content: center;
      gap: 20px;
      flex-wrap: wrap;
      margin-top: 36px;
    }
    .luggage-tag {
      width: 260px;
      background: #FFFFFF;
      border: 1px solid #CBD5E1;
      border-radius: 12px;
      padding: 24px;
      position: relative;
      box-shadow: 0 10px 30px rgba(0,0,0,0.1);
      text-align: left;
    }
    .tag-eyelet {
      position: absolute;
      top: 14px;
      left: 50%;
      transform: translateX(-50%);
      width: 14px;
      height: 14px;
      border-radius: 50%;
      background: var(--bg-dark);
      border: 3px solid #94A3B8;
    }
    .tag-body {
      margin-top: 20px;
    }
    .tag-code {
      font-size: 10px;
      letter-spacing: 0.2em;
      color: #64748B;
      font-weight: 700;
    }
    .tag-name {
      font-size: 18px;
      font-weight: 800;
      color: var(--primary);
      margin: 4px 0 8px 0;
    }
    .tag-phone {
      font-family: 'Courier New', monospace;
      font-size: 13px;
      font-weight: 700;
      color: var(--gold);
      text-decoration: none;
    }

    .btn-ticket {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      background: var(--primary);
      color: #fff;
      padding: 14px 32px;
      border-radius: 8px;
      font-size: 12px;
      letter-spacing: 0.15em;
      text-transform: uppercase;
      font-weight: 700;
      text-decoration: none;
      box-shadow: 0 6px 20px rgba(30, 58, 138, 0.3);
      cursor: pointer;
      border: none;
      transition: all 0.3s ease;
    }
    .btn-ticket:hover {
      background: var(--gold);
      color: #0F172A;
      transform: translateY(-2px);
    }

    .reveal-item {
      opacity: 0;
      transform: translateY(24px);
      transition: opacity 0.8s ease, transform 0.8s ease;
    }
    .reveal-item.is-revealed {
      opacity: 1;
      transform: translateY(0);
    }