:root {
            --primary: #2563eb;
            --secondary: #10b981;
            --dark: #1e293b;
            --light: #f8fafc;
            --glass: rgba(255, 255, 255, 0.85);
            --gradient: linear-gradient(135deg, #2563eb 0%, #10b981 100%);
        }

        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Inter', sans-serif;
            scroll-behavior: smooth;
        }

        body {
            background-color: var(--light);
            color: var(--dark);
            overflow-x: hidden;
        }

        /* --- Header & Navigation --- */
        header {
            position: fixed;
            top: 0;
            width: 100%;
            padding: 1.5rem 10%;
            display: flex;
            justify-content: space-between;
            align-items: center;
            z-index: 1000;
            transition: 0.4s;
        }

        header.sticky {
            background: var(--glass);
            backdrop-filter: blur(10px);
            padding: 1rem 10%;
            box-shadow: 0 4px 30px rgba(0, 0, 0, 0.1);
        }

        .logo {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--primary);
            text-decoration: none;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        nav ul {
            display: flex;
            list-style: none;
            gap: 2rem;
        }

        nav ul li a {
            text-decoration: none;
            color: var(--dark);
            font-weight: 500;
            transition: 0.3s;
        }

        nav ul li a:hover {
            color: var(--primary);
        }

        .btn-book {
            background: var(--primary);
            color: white;
            padding: 0.8rem 1.5rem;
            border-radius: 50px;
            text-decoration: none;
            font-weight: 600;
            transition: 0.3s;
            border: none;
            cursor: pointer;
        }

        .btn-book:hover {
            transform: scale(1.05);
            box-shadow: 0 10px 20px rgba(37, 99, 235, 0.2);
        }

        /* --- Hero Section --- */
        #hero {
            height: 100vh;
            background: linear-gradient(rgba(255,255,255,0.8), rgba(255,255,255,0.8)), url('../img/hero.webp') no-repeat center center/cover;
            display: flex;
            align-items: center;
            padding: 0 10%;
            position: relative;
            overflow: hidden;
        }

        .hero-content {
            max-width: 600px;
        }

        .hero-content h1 {
            font-size: 3.5rem;
            line-height: 1.2;
            margin-bottom: 1.5rem;
            background: var(--gradient);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .hero-btns {
            display: flex;
            gap: 1rem;
            margin-top: 2rem;
        }

        .btn-outline {
            border: 2px solid var(--primary);
            color: var(--primary);
            padding: 0.8rem 1.5rem;
            border-radius: 50px;
            text-decoration: none;
            font-weight: 600;
            transition: 0.3s;
        }

        .btn-outline:hover {
            background: var(--primary);
            color: white;
        }

        /* Floating Icons Animation */
        .floating-icon {
            position: absolute;
            color: var(--primary);
            opacity: 0.2;
            animation: float 6s infinite ease-in-out;
        }

        @keyframes float {
            0%, 100% { transform: translateY(0); }
            50% { transform: translateY(-20px); }
        }

        /* --- Services Section --- */
        #services { padding: 100px 10%; background: #fff; }
        .section-title { text-align: center; margin-bottom: 50px; }
        .service-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(380px, 1fr));
            gap: 20px;
        }

        .service-card {
            background: var(--light);
            padding: 40px;
            border-radius: 20px;
            text-align: center;
            transition: 0.4s;
            border: 1px solid rgba(0,0,0,0.05);
        }

        .service-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 20px 40px rgba(0,0,0,0.1);
            background: white;
        }

        .service-card i {
            font-size: 3rem;
            margin-bottom: 20px;
            color: var(--secondary);
        }

        /* --- Pricing Section --- */
        #plans { padding: 100px 10%; background: var(--light); }
        .plan-grid {
            display: flex;
            justify-content: center;
            gap: 30px;
            flex-wrap: wrap;
        }

        .plan-card {
            background: white;
            padding: 40px;
            border-radius: 25px;
            width: 320px;
            text-align: center;
            box-shadow: 0 10px 30px rgba(0,0,0,0.05);
            transition: 0.3s;
        }

        .plan-card.popular {
            border: 2px solid var(--primary);
            transform: scale(1.05);
        }

        .plan-card:hover { transform: translateY(-15px); }
        .price { font-size: 2.5rem; font-weight: 700; margin: 20px 0; }

        /* --- Form Section --- */
        #appointment { padding: 100px 10%; background: white; }
        .form-container {
            max-width: 800px;
            margin: 0 auto;
            background: var(--light);
            padding: 50px;
            border-radius: 30px;
        }

        .form-group { margin-bottom: 20px; }
        input, select, textarea {
            width: 100%;
            padding: 15px;
            border-radius: 10px;
            border: 1px solid #ddd;
            outline: none;
        }

        .success-msg {
            display: none;
            background: #d1fae5;
            color: #065f46;
            padding: 20px;
            border-radius: 10px;
            margin-top: 20px;
            text-align: center;
        }

        /* --- Footer & Modals --- */
        footer { background: var(--dark); color: white; padding: 80px 10% 20px; }
        .footer-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 40px;
            margin-bottom: 50px;
        }

        .modal {
            display: none;
            position: fixed;
            z-index: 2000;
            left: 0; top: 0; width: 100%; height: 100%;
            background: rgba(0,0,0,0.7);
        }

        .modal-content {
            background: white;
            margin: 02% auto;
            padding: 40px;
            width: 80%;
            max-width: 1000px;
            border-radius: 20px;
            position: relative;
        }

        .close { position: absolute; right: 20px; top: 10px; font-size: 28px; cursor: pointer; }

        /* Responsive */
        @media (max-width: 768px) {
            nav { display: none; }
            .hero-content h1 { font-size: 2.5rem; }
        }