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

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    margin: 0;
    overflow-x: hidden;
}

img {
    display: block;
    max-width: 100%;
}

::selection {
    background: #D97706;
    color: #4C1D95;
}

/* ========== SCROLLBAR ========== */
::-webkit-scrollbar {
    width: 8px;
}
::-webkit-scrollbar-track {
    background: #2E1065;
}
::-webkit-scrollbar-thumb {
    background: #7C3AED;
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: #9333ea;
}

/* ========== NAVBAR ========== */
#navbar {
    background: transparent;
}

#navbar.scrolled {
    background: rgba(46, 16, 101, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
}

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

.mobile-link {
    opacity: 0;
    transform: translateY(10px);
    transition: opacity 0.3s ease, transform 0.3s ease, color 0.3s ease;
}

#mobile-menu.open .mobile-link {
    opacity: 1;
    transform: translateY(0);
}

#mobile-menu.open .mobile-link:nth-child(1) { transition-delay: 0.05s; }
#mobile-menu.open .mobile-link:nth-child(2) { transition-delay: 0.1s; }
#mobile-menu.open .mobile-link:nth-child(3) { transition-delay: 0.15s; }
#mobile-menu.open .mobile-link:nth-child(4) { transition-delay: 0.2s; }

/* ========== SCROLL REVEAL (below fold only) ========== */
.reveal {
    opacity: 1;
    transform: none;
    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: none;
}

@media (prefers-reduced-motion: no-preference) {
    .reveal[data-reveal] {
        opacity: 0;
        transform: translateY(30px);
    }
    .reveal.revealed[data-reveal] {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ========== STAGGER CHILDREN ========== */
.reveal-grid > * {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s cubic-bezier(0.16, 1, 0.3, 1),
                transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal-grid.revealed > *:nth-child(1) { transition-delay: 0s; }
.reveal-grid.reveal-grid > *:nth-child(2) { transition-delay: 0.1s; }
.reveal-grid.reveal-grid > *:nth-child(3) { transition-delay: 0.2s; }
.reveal-grid.reveal-grid > *:nth-child(4) { transition-delay: 0.3s; }
.reveal-grid.reveal-grid > *:nth-child(5) { transition-delay: 0.4s; }
.reveal-grid.reveal-grid > *:nth-child(6) { transition-delay: 0.5s; }

.reveal-grid.revealed > * {
    opacity: 1;
    transform: translateY(0);
}

@media (prefers-reduced-motion: no-preference) {
    .reveal-grid > * {
        opacity: 0;
        transform: translateY(20px);
    }
    .reveal-grid.revealed > * {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ========== DECORATIVE PATTERNS ========== */
.section-divider {
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(124, 58, 237, 0.3), transparent);
}

/* ========== FOCUS STYLES ========== */
a:focus-visible, button:focus-visible {
    outline: 2px solid #FFD966;
    outline-offset: 3px;
    border-radius: 4px;
}

/* ========== UTILITY ========== */
.glass-card {
    background: rgba(46, 16, 101, 0.6);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid rgba(124, 58, 237, 0.2);
}