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

body {
    overflow-x: hidden;
}

/* Navigation */
.nav-logo-text {
    transition: color 0.3s ease;
}

.nav-link {
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 1px;
    background: currentColor;
    transition: width 0.3s ease;
}

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

/* Mobile menu */
.mobile-menu-link {
    position: relative;
}

/* Hamburger */
.hamburger-line {
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

#mobile-menu-btn.active .hamburger-line:nth-child(1) {
    top: 50%;
    transform: rotate(45deg);
}

#mobile-menu-btn.active .hamburger-line:nth-child(2) {
    opacity: 0;
}

#mobile-menu-btn.active .hamburger-line:nth-child(3) {
    top: 50%;
    left: 0;
    width: 1.5rem;
    transform: rotate(-45deg);
}

/* Reveal animations */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s cubic-bezier(0.4, 0, 0.2, 1), transform 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

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

.reveal:nth-child(2) { transition-delay: 0.1s; }
.reveal:nth-child(3) { transition-delay: 0.2s; }
.reveal:nth-child(4) { transition-delay: 0.3s; }

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

.service-card:first-child {
    border-left: none;
}

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

.gallery-item::after {
    content: '';
    position: absolute;
    inset: 0;
    background: rgba(10, 22, 40, 0);
    transition: background 0.4s ease;
}

.gallery-item:hover::after {
    background: rgba(10, 22, 40, 0.15);
}

.gallery-item img {
    transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.gallery-item:hover img {
    transform: scale(1.03);
}

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

::-webkit-scrollbar-track {
    background: #f8fafc;
}

::-webkit-scrollbar-thumb {
    background: #b8e6d3;
    border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
    background: #8fcfb5;
}

/* Focus styles */
input:focus,
textarea:focus {
    border-color: #8fcfb5 !important;
}

/* Selection */
::selection {
    background: #b8e6d3;
    color: #0a1628;
}

/* Smooth image loading */
img {
    image-rendering: -webkit-optimize-contrast;
    image-rendering: crisp-edges;
}