/* Base & Utilities */
html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
}

body {
    overflow-x: hidden;
}

/* Custom scrollbar */
::-webkit-scrollbar {
    width: 8px;
}
::-webkit-scrollbar-track {
    background: #0a1628;
}
::-webkit-scrollbar-thumb {
    background: #132240;
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: #34d4a8;
}

/* Selection */
::selection {
    background: rgba(52, 212, 168, 0.3);
    color: #fff;
}

/* Navigation */
.nav-link {
    position: relative;
}
.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: #34d4a8;
    transition: width 0.3s ease;
}
.nav-link:hover::after {
    width: 100%;
}

.mobile-nav-link {
    position: relative;
    padding-left: 0;
    transition: padding-left 0.3s ease, color 0.3s ease;
}
.mobile-nav-link:hover {
    padding-left: 12px;
    color: #34d4a8;
}

/* Navbar scroll state */
.nav-scrolled {
    background: rgba(10, 22, 40, 0.95) !important;
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
}

/* Service cards */
.service-card {
    position: relative;
    overflow: hidden;
}
.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, transparent, #34d4a8, transparent);
    opacity: 0;
    transition: opacity 0.5s ease;
}
.service-card:hover::before {
    opacity: 1;
}

/* Gallery hover */
.gallery-item {
    position: relative;
    overflow: hidden;
    border-radius: 16px;
}
.gallery-item img {
    transition: transform 0.7s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}
.gallery-item:hover img {
    transform: scale(1.08);
}
.gallery-item::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(10, 22, 40, 0.4) 0%, transparent 50%);
    opacity: 0;
    transition: opacity 0.4s ease;
    border-radius: 16px;
}
.gallery-item:hover::after {
    opacity: 1;
}

/* Reveal animations */
.reveal {
    opacity: 0;
    transform: translateY(40px);
    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.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; }

/* Form inputs */
input:focus,
select:focus,
textarea:focus {
    background: rgba(255, 255, 255, 0.08) !important;
}

/* Select styling */
select option {
    background: #0a1628;
    color: #fff;
}

/* Mobile menu animation */
#mobile-menu {
    animation: slideDown 0.3s ease forwards;
}
@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Pulse animation for hero dot */
@keyframes pulse-ring {
    0% { box-shadow: 0 0 0 0 rgba(52, 212, 168, 0.5); }
    70% { box-shadow: 0 0 0 8px rgba(52, 212, 168, 0); }
    100% { box-shadow: 0 0 0 0 rgba(52, 212, 168, 0); }
}
.animate-pulse {
    animation: pulse-ring 2s infinite;
}

/* Gradient text utility */
.text-gradient {
    background: linear-gradient(135deg, #34d4a8, #5eead4);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .font-serif {
        line-height: 1.1;
    }
}