/* ===== Base & Reset ===== */
*, *::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;
}

::selection {
    background: rgba(251, 191, 36, 0.3);
    color: #fbbf24;
}

/* ===== Scrollbar ===== */
::-webkit-scrollbar {
    width: 8px;
}
::-webkit-scrollbar-track {
    background: #020617;
}
::-webkit-scrollbar-thumb {
    background: linear-gradient(180deg, #10b981, #f59e0b);
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(180deg, #4ade80, #fbbf24);
}

/* ===== Navbar ===== */
#navbar.scrolled {
    background: rgba(2, 6, 23, 0.92);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(251, 191, 36, 0.1);
    box-shadow: 0 4px 40px rgba(0, 0, 0, 0.4);
}

/* ===== Mobile Menu ===== */
#mobile-menu.active {
    opacity: 1;
    pointer-events: all;
}

.mobile-link {
    position: relative;
}

.mobile-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 1px;
    background: linear-gradient(90deg, #fbbf24, #4ade80);
    transition: width 0.3s ease;
}

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

/* ===== Hero Orbs ===== */
.hero-orb, .hero-orb2, .hero-orb3 {
    animation: orbFloat 8s ease-in-out infinite;
}

.hero-orb2 {
    animation-delay: 2.5s;
    animation-duration: 10s;
}

.hero-orb3 {
    animation-delay: 5s;
    animation-duration: 12s;
}

@keyframes orbFloat {
    0%, 100% { transform: translate(0, 0) scale(1); }
    33% { transform: translate(30px, -30px) scale(1.05); }
    66% { transform: translate(-20px, 20px) scale(0.95); }
}

/* ===== Scroll Reveal ===== */
.reveal {
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

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

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
    .reveal {
        opacity: 1;
        transform: none;
        transition: none;
    }
    html {
        scroll-behavior: auto;
    }
    .hero-orb, .hero-orb2, .hero-orb3 {
        animation: none;
    }
}

/* ===== Button Focus ===== */
a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible {
    outline: 2px solid #fbbf24;
    outline-offset: 2px;
    border-radius: 4px;
}

/* ===== Form Select Arrow ===== */
select {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='rgba(251,191,36,0.6)' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 1rem center;
    padding-right: 2.5rem;
}

/* ===== Gold shimmer on CTA ===== */
@keyframes shimmer {
    0% { background-position: -200% center; }
    100% { background-position: 200% center; }
}

/* ===== Card glow on hover ===== */
.group:hover .group-hover\:scale-110 {
    transform: scale(1.1);
}

/* ===== Responsive ===== */
@media (max-width: 768px) {
    .font-serif {
        line-height: 1.15;
    }
}