/* ========== CUSTOM STYLES ========== */

/* Smooth scrolling */
html {
    scroll-behavior: smooth;
}

/* Custom scrollbar */
::-webkit-scrollbar {
    width: 8px;
}
::-webkit-scrollbar-track {
    background: #0a1628;
}
::-webkit-scrollbar-thumb {
    background: #d4a017;
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: #e8b62e;
}

/* Selection color */
::selection {
    background: #d4a017;
    color: #0a1628;
}

/* ========== ANIMATIONS ========== */

/* Fade in up on scroll */
.fade-in-up {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.fade-in-up.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Stagger children */
.stagger-children > * {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.stagger-children.visible > *:nth-child(1) { transition-delay: 0.1s; }
.stagger-children.visible > *:nth-child(2) { transition-delay: 0.2s; }
.stagger-children.visible > *:nth-child(3) { transition-delay: 0.3s; }
.stagger-children.visible > *:nth-child(4) { transition-delay: 0.4s; }
.stagger-children.visible > *:nth-child(5) { transition-delay: 0.5s; }
.stagger-children.visible > *:nth-child(6) { transition-delay: 0.6s; }

.stagger-children.visible > * {
    opacity: 1;
    transform: translateY(0);
}

/* ========== NAVBAR SCROLL STATE ========== */
.navbar-scrolled {
    background: rgba(10, 22, 40, 0.95) !important;
    backdrop-filter: blur(20px);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
}

/* ========== MOBILE MENU ========== */
.mobile-link {
    position: relative;
}
.mobile-link::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background: #d4a017;
    transition: width 0.3s ease;
}
.mobile-link:hover::after {
    width: 100%;
}

/* Mobile menu open animation */
#mobile-menu.open {
    animation: slideDown 0.3s ease forwards;
}

@keyframes slideDown {
    from {
        opacity: 0;
        max-height: 0;
    }
    to {
        opacity: 1;
        max-height: 500px;
    }
}

/* ========== 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, #d4a017, #e8b62e);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.5s ease;
}

.service-card:hover::before {
    transform: scaleX(1);
}

/* ========== CTA SECTION ========== */
.cta-section {
    position: relative;
}

/* ========== FORM STYLES ========== */
select option {
    background: #0f2140;
    color: #ffffff;
}

/* ========== RESPONSIVE ========== */
@media (max-width: 768px) {
    .fade-in-up {
        transform: translateY(20px);
    }
}

/* ========== PRINT STYLES ========== */
@media print {
    nav, #contact-form, button {
        display: none;
    }
    body {
        background: white;
        color: black;
    }
}