/* ===== Base & Utilities ===== */
html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    overflow-x: hidden;
}

::selection {
    background: rgba(45, 106, 79, 0.2);
    color: #1B4332;
}

/* ===== Scroll Reveal Animations ===== */
.reveal-up {
    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-scale {
    opacity: 0;
    transform: scale(0.95);
    transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal-up.visible,
.reveal-scale.visible {
    opacity: 1;
    transform: translateY(0) scale(1);
}

/* ===== Navbar ===== */
#navbar {
    background: transparent;
    transition: background 0.4s ease, box-shadow 0.4s ease, backdrop-filter 0.4s ease;
}

#navbar.scrolled {
    background: rgba(250, 249, 246, 0.92);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow: 0 1px 0 rgba(27, 67, 50, 0.06);
}

.nav-link {
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 1.5px;
    background: #1B4332;
    transition: width 0.3s ease;
}

.nav-link:hover::after {
    width: 100%;
}

#navbar.scrolled .nav-link {
    color: rgba(27, 67, 50, 0.8);
}

#navbar.scrolled .nav-link:hover {
    color: #1B4332;
}

#navbar.scrolled .nav-link::after {
    background: #1B4332;
}

/* ===== Mobile Menu ===== */
.mobile-link {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.4s ease, transform 0.4s ease, color 0.2s ease;
}

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

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

/* ===== Service Cards ===== */
.service-card {
    transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1), background 0.4s ease, border-color 0.4s ease, box-shadow 0.4s ease;
}

.service-card:hover {
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15);
}

/* ===== Gallery ===== */
.gallery-item {
    overflow: hidden;
    border-radius: 1.5rem;
}

.gallery-item img {
    transition: transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
}

.gallery-item:hover img {
    transform: scale(1.05);
}

/* ===== Custom Scrollbar ===== */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: #faf9f6;
}

::-webkit-scrollbar-thumb {
    background: #a3bea7;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #7da282;
}

/* ===== Focus Styles ===== */
a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible,
select:focus-visible {
    outline: 2px solid #2d6a4f;
    outline-offset: 2px;
    border-radius: 0.5rem;
}

/* ===== Reduced Motion ===== */
@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }

    .reveal-up,
    .reveal-scale {
        opacity: 1;
        transform: none;
        transition: none;
    }

    .gallery-item img,
    .service-card {
        transition: none;
    }

    .gallery-item:hover img,
    .service-card:hover {
        transform: none;
    }
}

/* ===== Tablet ===== */
@media (max-width: 768px) {
    .service-card {
        padding: 1.5rem;
    }
}

/* ===== Small phones ===== */
@media (max-width: 380px) {
    .font-serif.text-5xl {
        font-size: 2.5rem;
    }
}