/* === Custom Styles for Shbeeb Mohammad I. Phys === */

/* Base */
html {
    scroll-behavior: smooth;
}

body {
    background-color: #040B16;
    color: #ffffff;
}

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

#navbar.scrolled {
    background: rgba(4, 11, 22, 0.92);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow: 0 1px 0 rgba(212, 168, 67, 0.08), 0 4px 30px rgba(0, 0, 0, 0.3);
}

/* === Mobile Menu === */
.mobile-link {
    display: block;
    padding: 0.5rem 0;
    border-bottom: 1px solid rgba(15, 37, 71, 0.5);
}

.mobile-link:last-child {
    border-bottom: none;
}

/* === 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, rgba(212, 168, 67, 0), transparent);
    transition: background 0.5s ease;
}

.service-card:hover::before {
    background: linear-gradient(90deg, transparent, rgba(212, 168, 67, 0.5), transparent);
}

/* === Scroll Reveal Animations === */
/* Default state: visible (progressive enhancement) */
.reveal {
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal.revealed {
    opacity: 0;
    transform: translateY(30px);
}

/* Only animate on devices that support it and user prefers motion */
@media (prefers-reduced-motion: no-preference) {
    .reveal {
        opacity: 0;
        transform: translateY(30px);
    }
    
    .reveal.revealed {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Stagger delays */
.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; }

/* === Gold shimmer effect on buttons === */
button::after,
a::after {
    content: '';
}

/* === Input focus styles === */
input:focus,
textarea:focus {
    outline: none;
}

/* === Selection === */
::selection {
    background: rgba(212, 168, 67, 0.3);
    color: #ffffff;
}

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

::-webkit-scrollbar-track {
    background: #040B16;
}

::-webkit-scrollbar-thumb {
    background: #14305A;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #B8860B;
}

/* === Responsive adjustments === */
@media (max-width: 768px) {
    .font-serif {
        line-height: 1.2;
    }
}

/* === Print styles === */
@media print {
    body {
        background: white;
        color: black;
    }
    
    #navbar,
    .reveal {
        display: none;
    }
}