/* ── BASE ── */
    *, *::before, *::after { box-sizing: border-box; }
    html { scroll-behavior: smooth; }
    body { overflow-x: hidden; }
    
    ::selection {
        background: rgba(125, 212, 182, 0.25);
        color: #0A1F3F;
    }
    
    /* ── NAVBAR ── */
    #navbar {
        background: rgba(255, 255, 255, 0.92);
        backdrop-filter: blur(16px);
        -webkit-backdrop-filter: blur(16px);
        border-bottom: 1px solid rgba(10, 31, 63, 0.06);
    }
    
    #navbar.scrolled {
        box-shadow: 0 1px 20px rgba(10, 31, 63, 0.06);
    }
    
    .nav-logo-text {
        transition: color 0.3s ease;
    }
    
    .nav-logo-sub {
        transition: color 0.3s ease;
    }
    
    /* ── MOBILE MENU ── */
    #mobile-menu.open {
        transform: translateX(0);
    }
    
    #mobile-menu:not(.open) {
        transform: translateX(100%);
    }
    
    .mobile-menu-link {
        position: relative;
    }
    
    .mobile-menu-link::after {
        content: '';
        position: absolute;
        bottom: -2px;
        left: 0;
        width: 0;
        height: 1px;
        background: #54BE9D;
        transition: width 0.3s ease;
    }
    
    .mobile-menu-link:hover::after {
        width: 100%;
    }
    
    /* ── HERO ── */
    .hero-accent-line {
        animation: lineGrow 1s ease-out 0.3s both;
    }
    
    @keyframes lineGrow {
        from { width: 0; }
        to   { width: 3rem; }
    }
    
    /* ── SERVICE CARDS ── */
    .service-card {
        position: relative;
        overflow: hidden;
    }
    
    .service-card::before {
        content: '';
        position: absolute;
        top: 0;
        left: 0;
        right: 0;
        height: 2px;
        background: linear-gradient(90deg, #7DD4B6, #54BE9D);
        transform: scaleX(0);
        transform-origin: left;
        transition: transform 0.5s ease;
    }
    
    .service-card:hover::before {
        transform: scaleX(1);
    }
    
    /* ── GALLERY ── */
    .gallery-item {
        position: relative;
        cursor: pointer;
    }
    
    .gallery-item::after {
        content: '';
        position: absolute;
        inset: 0;
        background: rgba(10, 31, 63, 0);
        transition: background 0.4s ease;
        border-radius: inherit;
        pointer-events: none;
    }
    
    .gallery-item:hover::after {
        background: rgba(10, 31, 63, 0.12);
    }
    
    /* ── SCROLL REVEAL ── */
    .reveal {
        opacity: 1;
        transform: translateY(0);
        transition: opacity 0.8s ease, transform 0.8s ease;
    }
    
    .reveal[data-reveal] {
        opacity: 0;
        transform: translateY(24px);
        transition: none;
    }
    
    @media (prefers-reduced-motion: no-preference) {
        .reveal[data-reveal] {
            opacity: 0;
            transform: translateY(24px);
        }
        
        .reveal.revealed[data-reveal] {
            opacity: 1;
            transform: translateY(0);
        }
    }
    
    /* stagger */
    .reveal[data-reveal].delay-100 { transition-delay: 0.1s; }
    .reveal[data-reveal].delay-200 { transition-delay: 0.2s; }
    .reveal[data-reveal].delay-300 { transition-delay: 0.3s; }
    .reveal[data-reveal].delay-400 { transition-delay: 0.4s; }
    
    /* ── FOCUS ── */
    a:focus-visible, button:focus-visible {
        outline: 2px solid #7DD4B6;
        outline-offset: 3px;
        border-radius: 4px;
    }
    
    /* ── MOBILE MENU LINE ANIMATION ── */
    #mobile-menu.open .menu-line:nth-child(1) {
        transform: translateY(6px) rotate(45deg);
    }
    #mobile-menu.open .menu-line:nth-child(2) {
        opacity: 0;
    }
    #mobile-menu.open .menu-line:nth-child(3) {
        transform: translateY(-6px) rotate(-45deg);
        width: 1rem;
    }
    
    /* ── SUBTLE PATTERNS ── */
    .bg-dot-pattern {
        background-image: radial-gradient(rgba(10, 31, 63, 0.04) 1px, transparent 1px);
        background-size: 24px 24px;
    }