:root {
            --primary-pink: #2a9d8f;
            --deep-purple: #8d6e63;
            --soft-pink: #f1faee;
            --white: #ffffff;
            --dark: #2a2d34;
            --light-bg: #eaf4f2;
            --transition: all 0.3s ease;
        }

        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Poppins', sans-serif;
        }

        html { scroll-behavior: smooth; }

        body {
            background-color: var(--white);
            color: var(--dark);
            line-height: 1.6;
        }

        ul { list-style: none; }
        a { text-decoration: none; color: inherit; }

        /* --- Header --- */
        header {
            background: var(--white);
            padding: 1rem 5%;
            display: flex;
            justify-content: space-between;
            align-items: center;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 2px 10px rgba(0,0,0,0.1);
        }

        .logo {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--primary-pink);
        }

        .nav-menu {
            display: flex;
            gap: 1.5rem;
            align-items: center;
        }

        .nav-menu a:hover { color: var(--primary-pink); }

        .cta-btn {
            background: var(--primary-pink);
            color: white;
            padding: 0.6rem 1.5rem;
            border-radius: 50px;
            font-weight: 600;
            transition: var(--transition);
        }

        .cta-btn:hover { background: var(--deep-purple); transform: scale(1.05); }

        /* --- Hero Section --- */
        .hero {
            height: 90vh;
            background: linear-gradient(rgba(42, 157, 143, 0.7), rgba(39, 227, 204, 0.8)), 
                        url('../img/hero.webp') center/cover;
            display: flex;
            flex-direction: column;
            justify-content: center;
            align-items: center;
            text-align: center;
            padding: 0 1rem;
            color: white;
        }

        .hero h1 { font-size: 3.5rem; margin-bottom: 1rem; text-shadow: 2px 2px 4px rgba(0,0,0,0.3); }
        .hero p { font-size: 1.2rem; margin-bottom: 2rem; max-width: 900px; }

        .hero-btns { display: flex; gap: 1rem; }
        .btn-primary { background: var(--primary-pink); padding: 1rem 2rem; border-radius: 50px; color: white; font-weight: 600; }
        .btn-secondary { background: white; padding: 1rem 2rem; border-radius: 50px; color: var(--primary-pink); font-weight: 600; }

        /* --- Sections General --- */
        section { padding: 5rem 10%; }
        h2 { text-align: center; font-size: 2.5rem; margin-bottom: 3rem; color: var(--deep-purple); }

        /* --- About Section --- */
        .about-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 2rem;
            text-align: center;
        }
        .feature-card i { font-size: 2.5rem; color: var(--primary-pink); margin-bottom: 1rem; }

        /* --- Categories --- */
        .category-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
            gap: 1.5rem;
        }
        .cat-card {
            background: var(--soft-pink);
            padding: 2rem;
            border-radius: 15px;
            text-align: center;
            transition: var(--transition);
            cursor: pointer;
        }
        .cat-card:hover { background: var(--primary-pink); color: white; transform: translateY(-10px); }

        /* --- Profile Grid --- */
        .profile-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 2rem;
        }
        .profile-card {
            border-radius: 20px;
            overflow: hidden;
            box-shadow: 0 10px 20px rgba(0,0,0,0.05);
            background: white;
            text-align: center;
        }
        .profile-card img { width: 100%; height: 300px; object-fit: cover; }
        .profile-info { padding: 1.5rem; }
        .profile-info h3 { margin-bottom: 0.5rem; }
        .profile-info .actions { margin-top: 1rem; display: flex; justify-content: center; gap: 10px; }
        .action-btn { border: 1px solid var(--primary-pink); color: var(--primary-pink); padding: 5px 15px; border-radius: 20px; font-size: 0.9rem; transition: 0.3s; }
        .action-btn:hover { background: var(--primary-pink); color: white; }

        /* --- Registration Form --- */
        .register-section { background: var(--light-bg); }
        .form-container {
            max-width: 600px;
            margin: 0 auto;
            background: white;
            padding: 3rem;
            border-radius: 20px;
            box-shadow: 0 10px 30px rgba(0,0,0,0.05);
        }
        .form-group { margin-bottom: 1.5rem; }
        .form-group label { display: block; margin-bottom: 0.5rem; font-weight: 600; }
        .form-group input, .form-group select {
            width: 100%;
            padding: 0.8rem;
            border: 1px solid #ddd;
            border-radius: 8px;
        }
        .submit-btn {
            width: 100%;
            background: var(--deep-purple);
            color: white;
            padding: 1rem;
            border: none;
            border-radius: 8px;
            font-size: 1.1rem;
            cursor: pointer;
            transition: 0.3s;
        }
        .submit-btn:hover { background: var(--primary-pink); }
        .success-msg { color: green; text-align: center; margin-top: 1rem; display: none; }

        /* --- Testimonials --- */
        .testimonial-slider { display: flex; overflow-x: auto; gap: 2rem; padding: 2rem 0; }
        .testimonial-card {
            min-width: 300px;
            background: white;
            padding: 2rem;
            border-radius: 15px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.05);
            font-style: italic;
        }

        /* --- Footer --- */
        footer {
            background: var(--dark);
            color: white;
            padding: 4rem 10% 2rem;
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 2rem;
            margin-bottom: 3rem;
        }
        .footer-bottom {
            text-align: center;
            border-top: 1px solid #444;
            padding-top: 2rem;
            font-size: 0.9rem;
        }
        .social-icons { display: flex; gap: 1rem; margin-top: 1rem; }
        .social-icons i { font-size: 1.5rem; cursor: pointer; }

        /* --- Newsletter Popup Logic --- */
        .newsletter-section { background: var(--soft-pink); padding: 3rem 10%; text-align: center; }
        .newsletter-form { display: flex; gap: 10px; justify-content: center; flex-wrap: wrap; margin-top: 1rem; }

        /* Mobile Responsive */
        @media (max-width: 768px) {
            .nav-menu { display: none; }
            .hero h1 { font-size: 2.2rem; }
            section { padding: 3rem 5%; }
        }
        /* Modal Styles */
        .modal {
            display: none;
            position: fixed;
            z-index: 1000;
            left: 0;
            top: 0;
            width: 100%;
            height: 100%;
            overflow: auto;
            background-color: rgba(0,0,0,0.5);
            align-items: center;
            justify-content: center;
        }

        .modal-content {
            background-color: #fff;
            padding: 20px;
            border-radius: 8px;
            max-width: 600px;
            width: 90%;
            position: relative;
            text-align: left;
        }

        .close {
            color: #aaa;
            position: absolute;
            top: 10px;
            right: 20px;
            font-size: 28px;
            font-weight: bold;
            cursor: pointer;
        }

        .close:hover {
            color: #000;
        }

        .modal-content h2 {
            margin-top: 0;
        }

        .modal-footer {
            margin-top: 20px;
            font-size: 14px;
        }