/* ================================
   GLOBAL BASE
   ================================ */
        
        * {
            box-sizing: border-box;
            font-family: system-ui, -apple-system, BlinkMacSystemFont, Arial, sans-serif;
        }
        
        body {
            margin: 0;
            min-height: 100vh;
            background: radial-gradient(circle at top, #1b2735, #090a0f);
            color: #fff;
        }
        /* ================================
   LANDING PAGE (index.html)
   ================================ */
        
        body.landing {
            min-height: 100vh;
            background: radial-gradient(circle at top, #111827, #020617);
            display: flex;
            justify-content: center;
            padding: 24px;
            overflow: hidden;
        }
        /* Mobile position (natural, not centered) */
        
        @media (max-width: 768px) {
            body.landing {
                align-items: flex-start;
            }
            .landing-container {
                margin-top: 18vh;
            }
        }
        /* Desktop center */
        
        @media (min-width: 769px) {
            body.landing {
                align-items: center;
            }
            .landing-container {
                margin-top: 0;
            }
        }
        
        .landing-container {
            width: 100%;
            max-width: 420px;
            text-align: center;
        }
        /* Brand */
        
        .brand .year {
            display: block;
            font-size: 3.5rem;
            font-weight: 700;
            line-height: 1.1;
            letter-spacing: 6px;
            color: #d4af37;
            margin-bottom: 10px;
            text-align: center;
            /* mobile stability */
            -webkit-text-size-adjust: 100%;
            text-size-adjust: 100%;
        }
        
        @media (max-width: 480px) {
            .brand .year {
                font-size: 3.2rem;
                letter-spacing: 5px;
            }
        }
        
        .brand h1 {
            font-size: 2rem;
            margin: 10px 0;
        }
        
        .brand p {
            font-size: 1rem;
            opacity: 0.85;
        }
        /* Form */
        
        .name-form {
            margin-top: 40px;
        }
        
        .name-form input {
            width: 100%;
            padding: 16px 18px;
            border-radius: 12px;
            border: none;
            font-size: 16px;
            outline: none;
            margin-bottom: 18px;
        }
        
        .name-form button {
            width: 100%;
            padding: 16px;
            border-radius: 12px;
            border: none;
            background: linear-gradient(135deg, #ffd700, #b8962e);
            color: #000;
            font-size: 16px;
            font-weight: 600;
            cursor: pointer;
        }
        /* ================================
   GREETING PAGE
   ================================ */
        
        .greeting {
            min-height: 100vh;
            display: flex;
            justify-content: center;
            align-items: flex-start;
            overflow-y: auto;
        }
        
        .message {
            position: relative;
            z-index: 2;
            width: 100%;
            max-width: 480px;
            padding: 20px;
            margin-top: 60px;
            margin-bottom: 40px;
            text-align: center;
            animation: fadeUp 1.5s ease;
        }
        
        @media (min-width: 768px) {
            .greeting {
                align-items: center;
            }
            .message {
                margin-top: 0;
            }
        }
        /* Greeting text */
        
        .message h2 {
            font-size: 2.4rem;
        }
        
        .message h1 {
            font-size: 3.4rem;
            line-height: 1.25;
        }
        
        @media (max-width: 360px) {
            .message h2 {
                font-size: 2rem;
            }
            .message h1 {
                font-size: 2.8rem;
            }
        }
        /* Buttons */
        
        .message button {
            display: block;
            margin: 12px auto 0;
            width: 100%;
            max-width: 320px;
            padding: 14px;
            border-radius: 10px;
            border: none;
            background: rgba(255, 204, 0, 0.95);
            color: #000;
            font-size: 16px;
            font-weight: 600;
            box-shadow: 0 8px 20px rgba(0, 0, 0, 0.35);
        }
        /* Safe-area */
        
        @supports (padding: env(safe-area-inset-bottom)) {
            .message {
                padding-bottom: calc(20px + env(safe-area-inset-bottom));
            }
        }
        /* Animation */
        
        @keyframes fadeUp {
            from {
                opacity: 0;
                transform: translateY(30px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }
        /* Fireworks */
        
        canvas {
            position: fixed;
            inset: 0;
            z-index: 0;
        }
        /* ================================
   WATERMARKS
   ================================ */
        
        .diagonal-watermark {
            position: fixed;
            inset: 0;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 42px;
            font-weight: 600;
            letter-spacing: 4px;
            color: rgba(255, 255, 255, 0.03);
            transform: rotate(-30deg);
            z-index: 1;
            pointer-events: none;
            user-select: none;
        }
        /* ================================
   SHARE CARD (IMAGE)
   ================================ */
        
        .gold-card {
            position: fixed;
            left: -9999px;
            width: 1080px;
            height: 1080px;
            background: radial-gradient(circle at top, #111, #000);
            display: flex;
            align-items: center;