/* Base & Reset */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

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

body {
    overflow-x: hidden;
}

::selection {
    background: rgba(5, 150, 105, 0.2);
    color: #064e3b;
}

/* Hero Gradient */
.hero-gradient {
    background: linear-gradient(
        135deg,
        #022c22 0%,
        #064e3b 20%,
        #047857 40%,
        #065f46 60%,
        #022c22 80%,
        #047857 100%
    );
}

/* Hero Line Animations */
.hero-line {
    opacity: 0;
    animation: lineGrow 1s ease forwards;
}

.hero-line-1 { animation-delay: 0.8s; }
.hero-line-2 { animation-delay: 1.0s; }
.hero-line-3 { animation-delay: 1.2s; }
.hero-line-4 { animation-delay: 1.4s; }

@keyframes lineGrow {
    from {
        opacity: 0;
        transform: scaleY(0);
        transform-origin: top;
    }
    to {
        opacity: 1;
        transform: scaleY(1);
        transform-origin: top;
    }
}

/* Navbar */
#navbar {
    background: transparent;
    transition: background 0.5s ease, box-shadow 0.5s ease, backdrop-filter 0.5s ease;
}

#navbar.scrolled {
    background: rgba(253, 252, 248, 0.95);
    backdrop-filter: blur(20px);
    box-shadow: 0 1px 0 rgba(6, 78, 59, 0.08);
}

#navbar.scrolled .font-serif {
    color: #064e3b !important;
}

#navbar.scrolled .text-emerald-700 {
    color: #047857 !important;
}

#navbar.scrolled a:not([class*="bg-emerald"]) {
    color: #065f46 !important;
}

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

.mobile-link {
    opacity: 0;
    transform: translateY(10px);
    transition: opacity 0.4s ease, transform 0.4s 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; }

/* Scroll Reveal */
.reveal {
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94),
                transform 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.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; }
.reveal[data-delay="6"] { transition-delay: 0.6s; }

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

/* Service Cards */
.service-card {
    transition: background-color 0.5s ease;
}

/* Gallery */
.gallery-item {
    transition: transform 0.7s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.gallery-item:hover {
    transform: scale(1.02);
}

/* Form */
#contact-form input:focus,
#contact-form textarea:focus {
    border-color: #059669 !important;
}

/* Reduced Motion */
@media (prefers-reduced-motion: reduce) {
    .reveal {
        opacity: 1;
        transform: none;
        transition: none;
    }

    html {
        scroll-behavior: auto;
    }

    .gallery-item img {
        transition: none;
    }

    .hero-line {
        animation: none;
        opacity: 1;
    }
}

/* Scrollbar */
::-webkit-scrollbar {
    width: 6px;
}

::-webkit-scrollbar-track {
    background: #fdfcf8;
}

::-webkit-scrollbar-thumb {
    background: #a7f3d0;
    border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
    background: #6ee7b7;
}

/* Focus visible */
:focus-visible {
    outline: 2px solid #059669;
    outline-offset: 2px;
}