/* Base styles and custom utilities */
:root {
    --emerald-700: #10605d;
    --emerald-800: #0d4e4a;
    --cream-50: #fefdfb;
    --cream-100: #faf8f3;
}

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

body {
    overflow-x: hidden;
}

/* Custom scrollbar */
::-webkit-scrollbar {
    width: 8px;
}
::-webkit-scrollbar-track {
    background: #faf8f3;
}
::-webkit-scrollbar-thumb {
    background: #b8d9cf;
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: #8ec2b0;
}

/* Selection color */
::selection {
    background: #d9ece7;
    color: #0d4e4a;
}

/* 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, #10605d, #8ec2b0);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

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

/* Gallery images */
.gallery-img {
    position: relative;
    cursor: pointer;
}

.gallery-img::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(16, 96, 93, 0.15), transparent);
    opacity: 0;
    transition: opacity 0.5s ease;
    border-radius: inherit;
}

.gallery-img:hover::after {
    opacity: 1;
}

/* Nav active state */
.nav-link.active {
    color: #10605d;
}

.nav-link.active::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    right: 0;
    height: 2px;
    background: #10605d;
    border-radius: 1px;
}

/* Fade-in animations (progressive enhancement) */
@media (prefers-reduced-motion: no-preference) {
    .fade-in {
        opacity: 0;
        transform: translateY(24px);
        transition: opacity 0.7s cubic-bezier(0.4, 0, 0.2, 1), transform 0.7s cubic-bezier(0.4, 0, 0.2, 1);
    }

    .fade-in.visible {
        opacity: 1;
        transform: translateY(0);
    }

    .fade-in-delay-1 { transition-delay: 0.1s; }
    .fade-in-delay-2 { transition-delay: 0.2s; }
    .fade-in-delay-3 { transition-delay: 0.3s; }
    .fade-in-delay-4 { transition-delay: 0.4s; }
    .fade-in-delay-5 { transition-delay: 0.5s; }
}

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

#mobile-menu.closed {
    opacity: 0;
    pointer-events: none;
}

/* Navbar scrolled state */
.nav-scrolled {
    background: rgba(254, 253, 251, 0.95) !important;
    backdrop-filter: blur(12px);
    box-shadow: 0 1px 20px rgba(16, 96, 93, 0.08);
}

/* Decorative line */
.section-divider {
    width: 60px;
    height: 2px;
    background: linear-gradient(90deg, #10605d, #8ec2b0);
    border-radius: 1px;
}