/* === 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: #c8a84e;
    color: #0a1628;
}

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

nav.scrolled .logo-text {
    color: #d4b960;
}

/* === SCROLL REVEAL (progressive enhancement) === */
@media (prefers-reduced-motion: no-preference) {
    .reveal-up {
        opacity: 0;
        transform: translateY(40px);
        transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
    }

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

    .reveal-img {
        opacity: 1;
        transform: scale(1);
        transition: opacity 1s ease, transform 1.2s cubic-bezier(0.16, 1, 0.3, 1);
    }

    .reveal-img.revealed {
        opacity: 1;
        transform: scale(1);
    }
}

/* === STAGGER DELAYS === */
.delay-100 { transition-delay: 0.1s; }
.delay-200 { transition-delay: 0.2s; }
.delay-300 { transition-delay: 0.3s; }
.delay-400 { transition-delay: 0.4s; }
.delay-500 { transition-delay: 0.5s; }
.delay-600 { transition-delay: 0.6s; }

/* === 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);
    }
}

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

::-webkit-scrollbar-track {
    background: #0a1628;
}

::-webkit-scrollbar-thumb {
    background: #1b3a6e;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #c8a84e;
}

/* === FOCUS STYLES === */
a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible {
    outline: 2px solid #c8a84e;
    outline-offset: 2px;
}

/* === CARD HOVER GLOW === */
.group:hover .group-hover\:bg-gold-500\/20 {
    box-shadow: 0 0 30px rgba(200, 168, 78, 0.15);
}

/* === HERO PARALLAX SUBTLE === */
@media (prefers-reduced-motion: no-preference) {
    .hero-decoration {
        will-change: transform;
    }
}

/* === FORM INPUT AUTOFILL === */
input:-webkit-autofill,
textarea:-webkit-autofill {
    -webkit-box-shadow: 0 0 0 30px #0f2140 inset !important;
    -webkit-text-fill-color: #ffffff !important;
}