/* ============================================
       Charles Barnett Building Contractors
       Custom Styles
    ============================================ */

    /* Base & Typography */
    :root {
        --font-serif: 'Playfair Display', Georgia, serif;
        --font-sans: 'Inter', system-ui, sans-serif;
    }

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

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

    body {
        font-family: var(--font-sans);
        overflow-x: hidden;
    }

    /* Custom Scrollbar */
    ::-webkit-scrollbar {
        width: 8px;
    }
    ::-webkit-scrollbar-track {
        background: #f5f3ee;
    }
    ::-webkit-scrollbar-thumb {
        background: #1B4332;
        border-radius: 4px;
    }
    ::-webkit-scrollbar-thumb:hover {
        background: #0d231a;
    }

    /* Section Label */
    .section-label {
        display: block;
        letter-spacing: 0.25em;
    }

    /* ============================================
       HERO Animations
    ============================================ */
    .hero-anim {
        opacity: 0;
        transform: translateY(30px);
        animation: heroFadeIn 0.8s ease forwards;
    }
    .hero-anim:nth-child(1) { animation-delay: 0.1s; }
    .hero-anim:nth-child(2) { animation-delay: 0.3s; }
    .hero-anim:nth-child(3) { animation-delay: 0.5s; }
    .hero-anim:nth-child(4) { animation-delay: 0.7s; }

    @keyframes heroFadeIn {
        to {
            opacity: 1;
            transform: translateY(0);
        }
    }

    /* ============================================
       Scroll Reveal (below-the-fold only)
       Progressive enhancement: default state visible
    ============================================ */
    @media (prefers-reduced-motion: no-preference) {
        .reveal {
            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.revealed {
            opacity: 1;
            transform: translateY(0);
        }
        .reveal-delay-1 { transition-delay: 0.1s; }
        .reveal-delay-2 { transition-delay: 0.2s; }
        .reveal-delay-3 { transition-delay: 0.3s; }
    }

    /* Always visible for reduced motion */
    @media (prefers-reduced-motion: reduce) {
        .reveal {
            opacity: 1;
            transform: none;
        }
    }

    /* ============================================
       Navbar
    ============================================ */
    #navbar {
        background: transparent;
    }
    #navbar.scrolled {
        background: rgba(250, 249, 246, 0.95);
        backdrop-filter: blur(12px);
        -webkit-backdrop-filter: blur(12px);
        box-shadow: 0 1px 20px rgba(27, 67, 50, 0.08);
    }
    #navbar.scrolled .nav-link {
        color: #1B4332;
    }
    #navbar.scrolled #nav-brand-name {
        color: #0d231a;
    }
    #navbar.scrolled #nav-brand-sub {
        color: #1B4332;
    }

    /* ============================================
       Mobile Menu
    ============================================ */
    #mobile-menu.open {
        opacity: 1;
        pointer-events: all;
    }
    #mobile-menu.closed {
        opacity: 0;
        pointer-events: none;
    }

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

    /* ============================================
       Service Cards
    ============================================ */
    .service-card {
        transition: transform 0.5s cubic-bezier(0.16, 1, 0.3, 1),
                    background-color 0.5s ease;
    }
    .service-card:hover {
        transform: translateY(-4px);
    }

    /* ============================================
       Stats Items
    ============================================ */
    .stat-item {
        transition: transform 0.3s ease;
    }
    .stat-item:hover {
        transform: translateY(-2px);
    }

    /* ============================================
       Gallery Images
    ============================================ */
    .aspect-square {
        aspect-ratio: 1 / 1;
    }

    /* ============================================
       Form Focus States
    ============================================ */
    input:focus,
    select:focus,
    textarea:focus {
        outline: none;
    }

    /* ============================================
       Testimonial Cards
    ============================================ */
    .bg-forest-900 {
        transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1),
                    box-shadow 0.4s ease;
    }
    .bg-forest-900:hover {
        transform: translateY(-4px);
        box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    }

    /* ============================================
       Button Hover Effects
    ============================================ */
    a, button {
        transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    }

    /* ============================================
       Responsive Adjustments
    ============================================ */
    @media (max-width: 768px) {
        .font-serif {
            font-family: var(--font-serif);
        }
    }

    /* ============================================
       Print Styles
    ============================================ */
    @media print {
        #navbar, #mobile-menu, .reveal {
            display: none !important;
        }
        body {
            color: #000;
            background: #fff;
        }
    }