/* Reset & Base */
*, *::before, *::after {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    overflow-x: hidden;
}

/* Hero Animations */
.hero-title {
    opacity: 0;
    transform: translateY(30px);
    animation: heroFadeUp 1s ease forwards 0.3s;
}

.hero-subtitle {
    opacity: 0;
    transform: translateY(20px);
    animation: heroFadeUp 1s ease forwards 0.1s;
}

.hero-desc {
    opacity: 0;
    transform: translateY(20px);
    animation: heroFadeUp 1s ease forwards 0.5s;
}

.hero-buttons {
    opacity: 0;
    transform: translateY(20px);
    animation: heroFadeUp 1s ease forwards 0.7s;
}

@keyframes heroFadeUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

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

/* Section Label */
.section-label {
    letter-spacing: 0.3em;
    text-transform: uppercase;
}

/* Service Card Hover */
.service-card {
    transform: translateY(0);
    transition: transform 0.5s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.5s ease, border-color 0.5s ease;
}

.service-card:hover {
    transform: translateY(-6px);
}

/* Testimonial Card */
.testimonial-card {
    transform: translateY(0);
    transition: transform 0.5s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.5s ease;
}

.testimonial-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 20px 60px -20px rgba(5, 150, 105, 0.15);
}

/* Mobile Menu */
#mobile-menu {
    transition: opacity 0.4s ease, transform 0.4s ease;
}

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

#mobile-menu.closed {
    opacity: 0;
    pointer-events: none;
    transform: translateY(-20px);
}

/* Gallery */
.gallery-grid .rounded-2xl {
    transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.gallery-grid .rounded-2xl:hover {
    transform: scale(1.02);
}

/* Navbar transition */
#navbar {
    transition: background-color 0.4s ease, box-shadow 0.4s ease;
}

#navbar.scrolled {
    background-color: rgba(2, 44, 34, 0.95);
    backdrop-filter: blur(12px);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.15);
}

/* Nav links */
.nav-link {
    position: relative;
}

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

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

/* Mobile link */
.mobile-link {
    transition: opacity 0.3s ease;
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }
    
    .reveal {
        opacity: 1;
        transform: none;
        transition: none;
    }
    
    .hero-title,
    .hero-subtitle,
    .hero-desc,
    .hero-buttons {
        animation: none;
        opacity: 1;
        transform: none;
    }
    
    .service-card,
    .testimonial-card,
    .gallery-grid .rounded-2xl {
        transition: none;
    }
    
    .service-card:hover,
    .testimonial-card:hover {
        transform: none;
    }
    
    .gallery-grid .rounded-2xl:hover {
        transform: none;
    }
}

/* Focus styles */
a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
    outline: 2px solid #059669;
    outline-offset: 2px;
    border-radius: 4px;
}

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

::-webkit-scrollbar-track {
    background: #ecfdf5;
}

::-webkit-scrollbar-thumb {
    background: #059669;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #047857;
}