/* ─── Base & Utilities ─── */
html {
    scroll-behavior: smooth;
}

body {
    overflow-x: hidden;
}

/* ─── Hero Gradient ─── */
.hero-gradient {
    background: linear-gradient(135deg, #065F46 0%, #059669 35%, #34D399 65%, #6EE7B7 100%);
}

/* ─── Scroll Reveal ─── */
.reveal {
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.7s cubic-bezier(0.22, 1, 0.36, 1), transform 0.7s cubic-bezier(0.22, 1, 0.36, 1);
}

.reveal.revealed {
    opacity: 1;
    transform: translateY(0);
}

.reveal[data-delay="1"] { transition-delay: 0.1s; }
.reveal[data-delay="2"] { transition-delay: 0.2s; }
.reveal[data-delay="3"] { transition-delay: 0.3s; }
.reveal[data-delay="4"] { transition-delay: 0.4s; }
.reveal[data-delay="5"] { transition-delay: 0.5s; }

/* Default hidden state for reduced-motion users is already visible */
@media (prefers-reduced-motion: no-preference) {
    .reveal {
        opacity: 0;
        transform: translateY(24px);
    }
    .reveal.revealed {
        opacity: 1;
        transform: translateY(0);
    }
}

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

#navbar.scrolled {
    background: rgba(253, 248, 240, 0.92);
    backdrop-blur-xl;
    box-shadow: 0 1px 20px rgba(5, 150, 105, 0.08);
}

.nav-link {
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background: #059669;
    border-radius: 1px;
    transition: width 0.3s ease;
}

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

#navbar.scrolled .nav-link {
    color: rgba(6, 78, 59, 0.7);
}

#navbar.scrolled .nav-link:hover {
    color: #059669;
}

/* ─── Service Cards ─── */
.service-card {
    transition: transform 0.3s cubic-bezier(0.22, 1, 0.36, 1), box-shadow 0.3s ease;
}

.service-card:hover {
    transform: translateY(-4px);
}

/* ─── Gallery Items ─── */
.gallery-item {
    overflow: hidden;
    cursor: pointer;
}

.gallery-item img {
    transition: transform 0.6s cubic-bezier(0.22, 1, 0.36, 1);
}

/* ─── Review Cards ─── */
.review-card {
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.review-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 20px 40px rgba(5, 150, 105, 0.1);
}

/* ─── Back to Top ─── */
#backToTop {
    transition: opacity 0.3s ease, transform 0.3s ease, box-shadow 0.3s ease;
}

#backToTop.visible {
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
}

#backToTop:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(5, 150, 105, 0.3);
}

/* ─── Mobile Menu ─── */
#mobileMenu {
    animation: slideDown 0.3s ease;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-8px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

::-webkit-scrollbar-track {
    background: #FDF8F0;
}

::-webkit-scrollbar-thumb {
    background: #A7F3D0;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #34D399;
}

/* ─── Selection ─── */
::selection {
    background: rgba(5, 150, 105, 0.15);
    color: #064E3B;
}