/* ===== BASE ===== */
*, *::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;
}

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

#navbar.scrolled {
    background: rgba(2, 8, 24, 0.92);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow: 0 1px 0 rgba(255, 255, 255, 0.05);
}

/* ===== MOBILE MENU ===== */
#mobileMenu.open {
    opacity: 1;
    pointer-events: all;
}

#mobileMenu.open .mobile-link {
    animation: fadeUp 0.4s ease forwards;
    opacity: 1;
}

#mobileMenu .mobile-link:nth-child(1) { animation-delay: 0.05s; }
#mobileMenu .mobile-link:nth-child(2) { animation-delay: 0.1s; }
#mobileMenu .mobile-link:nth-child(3) { animation-delay: 0.15s; }
#mobileMenu .mobile-link:nth-child(4) { animation-delay: 0.2s; }
#mobileMenu .mobile-link:nth-child(5) { animation-delay: 0.25s; }

@keyframes fadeUp {
    from {
        opacity: 0;
        transform: translateY(16px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ===== MENU TOGGLE ===== */
#menuToggle.active .menu-line:nth-child(1) {
    transform: rotate(45deg) translate(3px, 3px);
}
#menuToggle.active .menu-line:nth-child(2) {
    opacity: 0;
}
#menuToggle.active .menu-line:nth-child(3) {
    transform: rotate(-45deg) translate(3px, -3px);
    width: 1.25rem;
}

/* ===== SCROLL REVEAL ===== */
.reveal {
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

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

/* Prefers reduced motion — disable all animations */
@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    .reveal { opacity: 1; transform: none; transition: none; }
    .reveal.revealed { opacity: 1; transform: none; }
    img { transition: none; }
    * { transition: none !important; animation: none !important; }
}

/* ===== SELECTION ===== */
::selection {
    background: rgba(45, 212, 168, 0.3);
    color: #fff;
}

/* ===== SCROLLBAR ===== */
::-webkit-scrollbar {
    width: 8px;
}
::-webkit-scrollbar-track {
    background: #020818;
}
::-webkit-scrollbar-thumb {
    background: #1e3d72;
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: #2dd4a8;
}

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

input:focus, textarea:focus, select:focus {
    outline: none;
}