/* ===== Base & Typography ===== */
html {
    scroll-behavior: smooth;
}

body {
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

::selection {
    background-color: #064E3B;
    color: #FDFBF7;
}

/* ===== Scrollbar ===== */
::-webkit-scrollbar {
    width: 8px;
}
::-webkit-scrollbar-track {
    background: #FAF6EE;
}
::-webkit-scrollbar-thumb {
    background: #064E3B;
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: #0D3624;
}

/* ===== Navbar ===== */
#navbar.scrolled {
    background-color: rgba(253, 251, 247, 0.97);
    backdrop-filter: blur(12px);
    box-shadow: 0 1px 0 rgba(6, 78, 59, 0.08);
}

#navbar.scrolled .font-serif,
#navbar.scrolled .nav-link {
    color: #064E3B;
}

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

#mobile-menu.open .mobile-link {
    animation: fadeDown 0.4s ease forwards;
    opacity: 1;
}

#mobile-menu.open .mobile-link:nth-child(1) { animation-delay: 0.05s; }
#mobile-menu.open .mobile-link:nth-child(2) { animation-delay: 0.1s; }
#mobile-menu.open .mobile-link:nth-child(3) { animation-delay: 0.15s; }
#mobile-menu.open .mobile-link:nth-child(4) { animation-delay: 0.2s; }
#mobile-menu.open .mobile-link:nth-child(5) { animation-delay: 0.25s; }

@keyframes fadeDown {
    from {
        opacity: 0;
        transform: translateY(-12px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Hamburger animation */
.menu-toggle[aria-expanded="true"] .menu-line:nth-child(1) {
    transform: rotate(45deg) translate(4px, 4px);
}
.menu-toggle[aria-expanded="true"] .menu-line:nth-child(2) {
    opacity: 0;
}
.menu-toggle[aria-expanded="true"] .menu-line:nth-child(3) {
    width: 6px;
    transform: rotate(-45deg) translate(4px, -4px);
}

/* ===== Service Cards ===== */
.service-card {
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, #064E3B, #10B981);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.5s ease;
}

.service-card:hover::before {
    transform: scaleX(1);
}

/* ===== Testimonial Cards ===== */
.testimonial-card {
    position: relative;
    transition: transform 0.4s ease, box-shadow 0.4s ease;
}

.testimonial-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 20px 40px rgba(6, 78, 59, 0.1);
}

/* ===== Scroll Animations (progressive enhancement) ===== */
@media (prefers-reduced-motion: no-preference) {
    .reveal {
        opacity: 0;
        transform: translateY(24px);
        transition: opacity 0.7s ease, transform 0.7s ease;
    }
    
    .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; }
    .reveal-delay-4 { transition-delay: 0.4s; }
    .reveal-delay-5 { transition-delay: 0.5s; }
    .reveal-delay-6 { transition-delay: 0.6s; }
}

/* ===== Back to Top ===== */
#back-to-top.visible {
    opacity: 1;
    pointer-events: all;
}

#back-to-top:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(6, 78, 59, 0.3);
}

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

/* ===== Print Styles ===== */
@media print {
    header, #back-to-top, #contact-form {
        display: none;
    }
    body {
        color: #000;
        background: #fff;
    }
}

/* ===== Reduced Motion ===== */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        transition-duration: 0.01ms !important;
    }
    html {
        scroll-behavior: auto;
    }
}