* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        body {
            font-family: 'Tajawal', sans-serif;
            background: #f5f5f5;
            overflow-x: hidden;
        }

        /* Header Styles */
        header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            background: linear-gradient(135deg, #1a5f7a 0%, #159895 50%, #1a5f7a 100%);
            z-index: 1000;
            transition: all 0.3s ease;
            box-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
        }

        header.scrolled {
            background: linear-gradient(135deg, rgba(26, 95, 122, 0.98) 0%, rgba(21, 152, 149, 0.98) 50%, rgba(26, 95, 122, 0.98) 100%);
            backdrop-filter: blur(10px);
            box-shadow: 0 5px 30px rgba(0, 0, 0, 0.2);
        }

        .header-container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 15px 30px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            transition: all 0.3s ease;
        }

        header.scrolled .header-container {
            padding: 10px 30px;
        }

        /* Logo */
        .logo-wrapper {
            display: flex;
            align-items: center;
            flex: 0 0 auto;
        }

        .logo-img {
            height: 40px;
            width: auto;
            transition: all 0.3s ease;
            filter: brightness(0) invert(1);
        }

        header.scrolled .logo-img {
            height: 45px;
        }

        /* Desktop Navigation - Centered */
        .desktop-nav {
            flex: 1;
            display: flex;
            justify-content: center;
        }

        .desktop-nav ul {
            list-style: none;
            display: flex;
            gap: 30px;
            align-items: center;
            margin: 0;
            padding: 0;
        }

        .desktop-nav a {
            color: #fff;
            text-decoration: none;
            font-weight: 500;
            font-size: 1rem;
            position: relative;
            transition: all 0.3s ease;
            padding: 8px 12px;
            white-space: nowrap;
        }

        .desktop-nav a:hover {
            color: #57c4e5;
            transform: translateY(-2px);
        }

        .desktop-nav a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 0;
            height: 2px;
            background: #57c4e5;
            transition: width 0.3s ease;
        }

        .desktop-nav a:hover::after {
            width: 80%;
        }

        /* CTA Button */
        .header-cta {
            background: #57c4e5 !important;
            color: #1a5f7a !important;
            padding: 10px 25px !important;
            border-radius: 25px;
            font-weight: 700 !important;
            transition: all 0.3s ease;
            box-shadow: 0 3px 15px rgba(87, 196, 229, 0.3);
        }

        .header-cta:hover {
            background: #fff !important;
            transform: translateY(-3px) !important;
            box-shadow: 0 5px 25px rgba(87, 196, 229, 0.5);
        }

        .header-cta::after {
            display: none !important;
        }



        /* Mobile Menu Button */
        .mobile-menu-btn {
            display: none;
            background: rgba(255, 255, 255, 0.1);
            border: 2px solid rgba(255, 255, 255, 0.3);
            border-radius: 8px;
            color: #fff;
            font-size: 1.5rem;
            cursor: pointer;
            transition: all 0.3s ease;
            padding: 8px 12px;
            -webkit-tap-highlight-color: transparent;
        }

        .mobile-menu-btn:active {
            transform: scale(0.95);
            background: rgba(255, 255, 255, 0.2);
        }

        /* Mobile Menu */
        .mobile-menu {
            position: fixed;
            top: 0;
            right: -100%;
            width: 85%;
            max-width: 350px;
            height: 100vh;
            background: linear-gradient(180deg, #1a5f7a 0%, #159895 100%);
            box-shadow: -5px 0 20px rgba(0, 0, 0, 0.3);
            transition: right 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            z-index: 1002;
            overflow-y: auto;
            -webkit-overflow-scrolling: touch;
        }

        .mobile-menu.active {
            right: 0;
        }

        .mobile-menu-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 20px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
            background: rgba(0, 0, 0, 0.1);
        }

        .mobile-menu-header img {
            height: 50px;
            filter: brightness(0) invert(1);
        }

        .close-menu {
            background: rgba(255, 255, 255, 0.1);
            border: 2px solid rgba(255, 255, 255, 0.3);
            border-radius: 8px;
            color: #fff;
            font-size: 1.5rem;
            cursor: pointer;
            padding: 8px 12px;
            transition: all 0.3s ease;
            -webkit-tap-highlight-color: transparent;
        }

        .close-menu:active {
            transform: scale(0.95);
            background: rgba(255, 255, 255, 0.2);
        }

        .mobile-nav {
            padding: 20px;
        }

        .mobile-nav ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 10px;
            margin: 0;
            padding: 0;
        }

        .mobile-nav a {
            color: #fff;
            text-decoration: none;
            font-size: 1.1rem;
            font-weight: 500;
            padding: 15px 20px;
            border-radius: 10px;
            transition: all 0.3s ease;
            display: flex;
            align-items: center;
            gap: 15px;
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.1);
        }

        .mobile-nav a:active {
            background: rgba(255, 255, 255, 0.2);
            transform: scale(0.98);
        }

        .mobile-nav a i {
            width: 20px;
            text-align: center;
            color: #57c4e5;
        }

        /* Overlay */
        .overlay {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(0, 0, 0, 0.5);
            z-index: 1001;
            opacity: 0;
            visibility: hidden;
            transition: all 0.3s ease;
        }

        .overlay.active {
            opacity: 1;
            visibility: visible;
        }

        /* Body scroll lock */
        body.menu-open {
            overflow: hidden;
            position: fixed;
            width: 100%;
            height: 100%;
        }

        /* Floating WhatsApp Button */
        .floating-whatsapp {
            position: fixed;
            bottom: 30px;
            right: 30px;
            width: 60px;
            height: 60px;
            background: #25D366;
            color: #fff;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 30px;
            box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
            z-index: 999;
            transition: all 0.3s ease;
            text-decoration: none;
            animation: pulseWhatsApp 2s infinite;
        }

        .floating-whatsapp:hover {
            background: #128C7E;
            transform: scale(1.1);
            box-shadow: 0 6px 30px rgba(37, 211, 102, 0.6);
        }

        .floating-whatsapp:active {
            transform: scale(0.95);
        }

        .floating-whatsapp i {
            color: #fff;
            font-size: 32px;
        }

        /* Tooltip */
        .whatsapp-tooltip {
            position: absolute;
            right: 75px;
            top: 50%;
            transform: translateY(-50%);
            background: #1a5f7a;
            color: #fff;
            padding: 8px 15px;
            border-radius: 25px;
            font-size: 14px;
            font-weight: 500;
            white-space: nowrap;
            opacity: 0;
            visibility: hidden;
            transition: all 0.3s ease;
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
        }

        .floating-whatsapp:hover .whatsapp-tooltip {
            opacity: 1;
            visibility: visible;
            right: 70px;
        }

        /* Pulse Animation */
        @keyframes pulseWhatsApp {
            0% {
                box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.7);
            }
            70% {
                box-shadow: 0 0 0 15px rgba(37, 211, 102, 0);
            }
            100% {
                box-shadow: 0 0 0 0 rgba(37, 211, 102, 0);
            }
        }

        /* Responsive */
        @media (max-width: 992px) {
            .desktop-nav ul {
                gap: 20px;
            }

            .desktop-nav a {
                font-size: 0.95rem;
                padding: 6px 10px;
            }
        }

        @media (max-width: 768px) {
            .header-container {
                padding: 12px 20px;
            }

            header.scrolled .header-container {
                padding: 8px 20px;
            }

            .logo-img {
                height: 45px;
            }

            header.scrolled .logo-img {
                height: 45px;
            }

            .desktop-nav,
            .header-spacer {
                display: none !important;
            }

            .mobile-menu-btn {
                display: block;
            }

            .floating-whatsapp {
                bottom: 20px;
                right: 20px;
                width: 55px;
                height: 55px;
            }

            .floating-whatsapp i {
                font-size: 28px;
            }

            .whatsapp-tooltip {
                display: none;
            }
        }

        /* Hide when keyboard is open on mobile */
        @media (max-height: 500px) {
            .floating-whatsapp {
                bottom: 10px;
                right: 10px;
                width: 45px;
                height: 45px;
            }

            .floating-whatsapp i {
                font-size: 24px;
            }
        }

        /* Page content starts after header */
        .page-content {
            padding-top: 40px;
        }

        @media (max-width: 768px) {
            .page-content {
                padding-top: 30px;
            }
        }