/* === BASE & RESET === */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
}

body {
    overflow-x: hidden;
}

/* === NAVBAR SCROLL EFFECT === */
nav.scrolled {
    background: rgba(10, 22, 40, 0.95) !important;
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(212, 160, 23, 0.15);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
}

nav.scrolled .bg-transparent {
    background: transparent !important;
}

/* === SCROLL REVEAL ANIMATIONS === */
.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[data-delay="1"] { transition-delay: 0.1s; }
.reveal[data-delay="2"] { transition-delay: 0.2s; }
.reveal[data-delay="3"] { transition-delay: 0.3s; }
.reveal[data-delay="4"] { transition-delay: 0.4s; }

@media (prefers-reduced-motion: no-preference) {
    .reveal-hidden {
        opacity: 0;
        transform: translateY(40px);
    }
    
    .reveal-visible {
        opacity: 1;
        transform: translateY(0);
    }
}

/* === GEOMETRIC DECORATIONS === */
.geometric-diamond {
    position: absolute;
    width: 20px;
    height: 20px;
    background: rgba(212, 160, 23, 0.3);
    transform: rotate(45deg);
}

/* === HOVER EFFECTS === */
.menu-card {
    transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.4s ease;
}

.menu-card:hover {
    transform: translateY(-8px);
}

/* === BUTTON HOVER === */
.btn-primary {
    position: relative;
    overflow: hidden;
    transition: all 0.3s ease;
}

.btn-primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: left 0.5s ease;
}

.btn-primary:hover::before {
    left: 100%;
}

/* === MOBILE MENU === */
#mobile-menu {
    animation: slideDown 0.3s ease forwards;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* === IMAGE LAZY LOAD FADE === */
img[loading="lazy"] {
    opacity: 0;
    transition: opacity 0.5s ease;
}

img[loading="lazy"].loaded {
    opacity: 1;
}

/* === SCROLLBAR === */
::-webkit-scrollbar {
    width: 10px;
}

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

::-webkit-scrollbar-thumb {
    background: #1b3d70;
    border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
    background: #d4a017;
}

/* === SELECTION === */
::selection {
    background: rgba(212, 160, 23, 0.3);
    color: #f0c94d;
}