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

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

body {
    overflow-x: hidden;
}

::selection {
    background: #065f46;
    color: #fdfcf8;
}

/* ===== Navigation ===== */
.nav-logo-color {
    color: #065f46;
    transition: color 0.3s ease;
}

.nav-logo-sub {
    color: #059669;
    transition: color 0.3s ease;
}

.nav-link {
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 1px;
    background: #10b981;
    transition: width 0.3s ease;
}

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

/* Scrolled nav state */
nav.scrolled .nav-logo-color {
    color: #065f46;
}

nav.scrolled .nav-logo-sub {
    color: #059669;
}

nav.scrolled .nav-link {
    color: #065f46;
}

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

/* ===== Mobile Menu ===== */
.mobile-link {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.4s ease, transform 0.4s ease;
}

body.menu-open .mobile-link {
    opacity: 1;
    transform: translateY(0);
}

body.menu-open .mobile-link:nth-child(1) { transition-delay: 0.1s; }
body.menu-open .mobile-link:nth-child(2) { transition-delay: 0.15s; }
body.menu-open .mobile-link:nth-child(3) { transition-delay: 0.2s; }
body.menu-open .mobile-link:nth-child(4) { transition-delay: 0.25s; }

/* Hamburger animation */
body.menu-open #bar1 {
    transform: translateY(6px) rotate(45deg);
}

body.menu-open #bar2 {
    opacity: 0;
}

body.menu-open #bar3 {
    transform: translateY(-6px) rotate(-45deg);
    width: 1.5rem;
}

/* ===== Service Cards ===== */
.service-card {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.service-card.visible {
    opacity: 1;
    transform: translateY(0);
}

.service-card:nth-child(1) { transition-delay: 0s; }
.service-card:nth-child(2) { transition-delay: 0.08s; }
.service-card:nth-child(3) { transition-delay: 0.16s; }
.service-card:nth-child(4) { transition-delay: 0.24s; }
.service-card:nth-child(5) { transition-delay: 0.32s; }
.service-card:nth-child(6) { transition-delay: 0.4s; }

/* ===== Gallery ===== */
.gallery-item {
    opacity: 0;
    transform: scale(0.95);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.gallery-item.visible {
    opacity: 1;
    transform: scale(1);
}

.gallery-item:nth-child(1) { transition-delay: 0s; }
.gallery-item:nth-child(2) { transition-delay: 0.08s; }
.gallery-item:nth-child(3) { transition-delay: 0.16s; }
.gallery-item:nth-child(4) { transition-delay: 0.24s; }
.gallery-item:nth-child(5) { transition-delay: 0.32s; }
.gallery-item:nth-child(6) { transition-delay: 0.4s; }

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

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

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

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

/* ===== Responsive ===== */
@media (max-width: 767px) {
    .font-serif {
        line-height: 1.2;
    }
}

@media (min-width: 768px) {
    /* Subtle hover lift for service cards */
    .service-card:hover {
        transform: translateY(-4px);
    }
}