/* Base & Reset */
    *, *::before, *::after {
        box-sizing: border-box;
    }

    html {
        scroll-behavior: smooth;
        scroll-padding-top: 80px;
    }

    body {
        overflow-x: hidden;
    }

    ::selection {
        background: rgba(224, 122, 95, 0.3);
        color: #fff;
    }

    /* Custom Scrollbar */
    ::-webkit-scrollbar {
        width: 8px;
    }
    ::-webkit-scrollbar-track {
        background: #1A1D23;
    }
    ::-webkit-scrollbar-thumb {
        background: #3A3D45;
        border-radius: 4px;
    }
    ::-webkit-scrollbar-thumb:hover {
        background: #E07A5F;
    }

    /* Reveal Animations */
    .reveal-up,
    .reveal-left,
    .reveal-right {
        opacity: 0;
        transform: translateY(40px);
        transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1),
                    transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
    }

    .reveal-left {
        transform: translateX(-40px);
    }

    .reveal-right {
        transform: translateX(40px);
    }

    .reveal-up.visible,
    .reveal-left.visible,
    .reveal-right.visible {
        opacity: 1;
        transform: translate(0, 0);
    }

    /* Hero Animations */
    .hero-subtitle {
        animation: fadeUp 0.8s cubic-bezier(0.16, 1, 0.3, 1) 0.3s forwards;
    }

    .hero-title {
        animation: fadeUp 0.8s cubic-bezier(0.16, 1, 0.3, 1) 0.5s forwards;
    }

    .hero-description {
        animation: fadeUp 0.8s cubic-bezier(0.16, 1, 0.3, 1) 0.7s forwards;
    }

    .hero-ctas {
        animation: fadeUp 0.8s cubic-bezier(0.16, 1, 0.3, 1) 0.9s forwards;
    }

    .hero-scroll {
        animation: fadeIn 0.8s cubic-bezier(0.16, 1, 0.3, 1) 1.2s forwards;
    }

    @keyframes fadeUp {
        from {
            opacity: 0;
            transform: translateY(30px);
        }
        to {
            opacity: 1;
            transform: translateY(0);
        }
    }

    @keyframes fadeIn {
        from { opacity: 0; }
        to { opacity: 1; }
    }

    /* Navbar */
    #navbar {
        background: transparent;
    }

    #navbar.scrolled {
        background: rgba(26, 29, 35, 0.95);
        backdrop-filter: blur(20px);
        -webkit-backdrop-filter: blur(20px);
        box-shadow: 0 1px 0 rgba(255, 255, 255, 0.05);
    }

    #navbar.scrolled .nav-link {
        color: rgba(255, 255, 255, 0.8);
    }

    /* Mobile Menu */
    #mobile-menu.open {
        opacity: 1;
        pointer-events: all;
    }

    #mobile-menu .mobile-link {
        opacity: 0;
        transform: translateY(20px);
        transition: opacity 0.4s ease, transform 0.4s ease, color 0.3s ease;
    }

    #mobile-menu.open .mobile-link {
        opacity: 1;
        transform: translateY(0);
    }

    #mobile-menu.open .mobile-link:nth-child(1) { transition-delay: 0.1s; }
    #mobile-menu.open .mobile-link:nth-child(2) { transition-delay: 0.15s; }
    #mobile-menu.open .mobile-link:nth-child(3) { transition-delay: 0.2s; }
    #mobile-menu.open .mobile-link:nth-child(4) { transition-delay: 0.25s; }
    #mobile-menu.open .mobile-link:nth-child(5) { transition-delay: 0.3s; }

    /* Hamburger */
    .menu-line {
        transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    }

    #mobile-menu-btn.active .menu-line:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }
    #mobile-menu-btn.active .menu-line:nth-child(2) {
        opacity: 0;
    }
    #mobile-menu-btn.active .menu-line:nth-child(3) {
        width: 1.5rem;
        transform: rotate(-45deg) translate(5px, -5px);
    }

    /* Service Cards */
    .service-card {
        transition: transform 0.5s cubic-bezier(0.16, 1, 0.3, 1),
                    box-shadow 0.5s ease,
                    border-color 0.5s ease;
    }

    .service-card:hover {
        box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    }

    /* Area Cards */
    .area-card::after {
        content: '';
        position: absolute;
        inset: 0;
        border: 1px solid transparent;
        border-radius: inherit;
        transition: border-color 0.4s ease;
        pointer-events: none;
    }

    .area-card:hover::after {
        border-color: rgba(224, 122, 95, 0.4);
    }

    /* Testimonial Cards */
    .testimonial-card {
        transition: transform 0.5s cubic-bezier(0.16, 1, 0.3, 1),
                    box-shadow 0.5s ease;
    }

    .testimonial-card:hover {
        transform: translateY(-4px);
        box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    }

    /* Parallax Hero Background */
    .hero-bg {
        will-change: transform;
    }

    /* Selection for form inputs */
    select option {
        background: #2A2D35;
        color: #fff;
    }

    /* Smooth focus outlines */
    input:focus,
    textarea:focus,
    select:focus,
    button:focus {
        outline: none;
    }

    /* Mobile responsive adjustments */
    @media (max-width: 768px) {
        html {
            scroll-padding-top: 70px;
        }

        .font-serif.text-5xl {
            font-size: 2.5rem;
        }
    }

    /* Reduced motion */
    @media (prefers-reduced-motion: reduce) {
        *, *::before, *::after {
            animation-duration: 0.01ms !important;
            animation-iteration-count: 1 !important;
            transition-duration: 0.01ms !important;
        }
        html {
            scroll-behavior: auto;
        }
        .reveal-up,
        .reveal-left,
        .reveal-right {
            opacity: 1;
            transform: none;
        }
    }