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

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

body {
    overflow-x: hidden;
}

::selection {
    background: #047857;
    color: #fefdf8;
}

/* ===== Scrollbar ===== */
::-webkit-scrollbar {
    width: 8px;
}
::-webkit-scrollbar-track {
    background: #ecfdf5;
}
::-webkit-scrollbar-thumb {
    background: #047857;
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: #065f46;
}

/* ===== Animations ===== */
@keyframes float {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    50% { transform: translateY(-20px) rotate(3deg); }
}

.animate-float {
    animation: float 6s ease-in-out infinite;
}

@keyframes float-delayed {
    0%, 100% { transform: translateY(0px) rotate(45deg); }
    50% { transform: translateY(-15px) rotate(50deg); }
}

/* ===== Scroll Reveal (Progressive Enhancement) ===== */
@media (prefers-reduced-motion: no-preference) {
    .reveal {
        opacity: 0;
        transform: translateY(30px);
        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);
    }
    .reveal-delay-1 { transition-delay: 0.1s; }
    .reveal-delay-2 { transition-delay: 0.2s; }
    .reveal-delay-3 { transition-delay: 0.3s; }
    .reveal-delay-4 { transition-delay: 0.4s; }
    .reveal-delay-5 { transition-delay: 0.5s; }
    .reveal-delay-6 { transition-delay: 0.6s; }
}

/* ===== 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, #047857, #10b981, #047857);
    opacity: 0;
    transition: opacity 0.5s ease;
}

.service-card:hover::before {
    opacity: 1;
}

/* ===== Gallery ===== */
.gallery-item {
    cursor: pointer;
    position: relative;
}

.gallery-item::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(4, 78, 59, 0.3), transparent);
    opacity: 0;
    transition: opacity 0.4s ease;
    border-radius: inherit;
}

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

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

#navbar.scrolled {
    background: rgba(254, 253, 248, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow: 0 1px 20px rgba(4, 78, 59, 0.08);
}

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

/* ===== Button Hover Glow ===== */
button:hover, a:hover {
    cursor: pointer;
}

/* ===== Focus Styles ===== */
:focus-visible {
    outline: 2px solid #047857;
    outline-offset: 2px;
}

/* ===== Input Styles ===== */
input:focus, select:focus, textarea:focus {
    border-color: #10b981;
    box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.15);
}

/* ===== Smooth Image Loading ===== */
img {
    loading: lazy;
    decoding: async;
}