body {
            box-sizing: border-box;
        }
        
        .font-montserrat { font-family: 'Montserrat', sans-serif; }
        .font-inter { font-family: 'Inter', sans-serif; }
        
        .bg-cream { background: linear-gradient(135deg, #FFFDF7 0%, #F5F7FA 100%); }
        .bg-mint { background-color: #4CD7B1; }
        .bg-peach { background-color: #FFA770; }
        .text-gray-custom { color: #777777; }
        
        .typewriter {
            overflow: hidden;
            border-right: 3px solid #4CD7B1;
            white-space: nowrap;
            animation: typing 3s steps(30, end), blink-caret 0.75s step-end infinite;
        }
        
        @keyframes typing {
            from { width: 0; }
            to { width: 100%; }
        }
        
        @keyframes blink-caret {
            from, to { border-color: transparent; }
            50% { border-color: #4CD7B1; }
        }
        
        .floating {
            animation: float 3s ease-in-out infinite;
        }
        
        @keyframes float {
            0%, 100% { transform: translateY(0px); }
            50% { transform: translateY(-10px); }
        }
        
        .hover-lift {
            transition: all 0.3s ease;
        }
        
        .hover-lift:hover {
            transform: translateY(-5px);
            box-shadow: 0 20px 40px rgba(0,0,0,0.1);
        }
        
        .btn-mint {
            background: #4CD7B1;
            transition: all 0.3s ease;
        }
        
        .btn-mint:hover {
            background: #3BC49E;
            transform: scale(1.05);
            box-shadow: 0 10px 30px rgba(76, 215, 177, 0.4);
        }
        
        .btn-peach {
            background: transparent;
            border: 2px solid #FFA770;
            color: #FFA770;
            transition: all 0.3s ease;
        }
        
        .btn-peach:hover {
            background: #FFA770;
            color: white;
            transform: scale(1.05);
            box-shadow: 0 10px 30px rgba(255, 167, 112, 0.4);
        }
        
        .fade-in {
            opacity: 0;
            transform: translateY(30px);
            transition: all 0.6s ease;
        }
        
        .fade-in.visible {
            opacity: 1;
            transform: translateY(0);
        }
        
        .stagger-1 { transition-delay: 0.1s; }
        .stagger-2 { transition-delay: 0.2s; }
        .stagger-3 { transition-delay: 0.3s; }
        .stagger-4 { transition-delay: 0.4s; }
        
        .modal {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(0,0,0,0.5);
            z-index: 1000;
            opacity: 0;
            transition: opacity 0.3s ease;
        }
        
        .modal.active {
            display: flex;
            opacity: 1;
        }
        
        .modal-content {
            background: white;
            margin: auto;
            padding: 2rem;
            border-radius: 15px;
            max-width: 400px;
            width: 90%;
            transform: scale(0.7);
            transition: transform 0.3s ease;
        }
        
        .modal.active .modal-content {
            transform: scale(1);
        }
        
        .particles {
            position: absolute;
            width: 100%;
            height: 100%;
            overflow: hidden;
            pointer-events: none;
        }
        
        .particle {
            position: absolute;
            width: 4px;
            height: 4px;
            background: #4CD7B1;
            border-radius: 50%;
            animation: particle-float 6s infinite linear;
        }
        
        @keyframes particle-float {
            0% {
                transform: translateY(100vh) rotate(0deg);
                opacity: 0;
            }
            10% {
                opacity: 1;
            }
            90% {
                opacity: 1;
            }
            100% {
                transform: translateY(-100px) rotate(360deg);
                opacity: 0;
            }
        }
        
        .flip-card {
            background-color: transparent;
            perspective: 1000px;
        }
        
        .flip-card-inner {
            position: relative;
            width: 100%;
            height: 100%;
            text-align: center;
            transition: transform 0.6s;
            transform-style: preserve-3d;
        }
        
        .flip-card:hover .flip-card-inner {
            transform: rotateY(180deg);
        }
        
        .flip-card-front, .flip-card-back {
            position: absolute;
            width: 100%;
            height: 100%;
            backface-visibility: hidden;
            border-radius: 15px;
            padding: 2rem;
        }
        
        .flip-card-back {
            transform: rotateY(180deg);
        }
        
        .hamburger {
            display: none;
            flex-direction: column;
            cursor: pointer;
        }
        
        .hamburger span {
            width: 25px;
            height: 3px;
            background: #333;
            margin: 3px 0;
            transition: 0.3s;
        }
        
        .hamburger.active span:nth-child(1) {
            transform: rotate(-45deg) translate(-5px, 6px);
        }
        
        .hamburger.active span:nth-child(2) {
            opacity: 0;
        }
        
        .hamburger.active span:nth-child(3) {
            transform: rotate(45deg) translate(-5px, -6px);
        }
        
        @media (max-width: 768px) {
            .hamburger {
                display: flex;
            }
            
            .nav-menu {
                position: fixed;
                left: -100%;
                top: 70px;
                flex-direction: column;
                background-color: white;
                width: 100%;
                text-align: center;
                transition: 0.3s;
                box-shadow: 0 10px 27px rgba(0,0,0,0.05);
                z-index: 999;
                padding: 2rem 0;
            }
            
            .nav-menu.active {
                left: 0;
            }
            
            .nav-menu li {
                margin: 1rem 0;
            }
            
            .nav-menu a {
                display: block;
                padding: 0.5rem 1rem;
                font-size: 1.1rem;
            }
            
            .typewriter {
                font-size: 1.5rem;
            }
        }