/* ===== CUSTOM STYLES ===== */

/* Smooth scrolling */
html {
    scroll-behavior: smooth;
}

/* Custom scrollbar */
::-webkit-scrollbar {
    width: 8px;
}
::-webkit-scrollbar-track {
    background: #f0f4f9;
}
::-webkit-scrollbar-thumb {
    background: #b8cce0;
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: #8faecf;
}

/* ===== HERO ANIMATIONS ===== */
.hero-anim {
    opacity: 0;
    transform: translateY(30px);
    animation: heroFadeIn 0.8s ease forwards;
}

.hero-anim:nth-child(1) { animation-delay: 0.1s; }
.hero-anim:nth-child(2) { animation-delay: 0.3s; }
.hero-anim:nth-child(3) { animation-delay: 0.5s; }
.hero-anim:nth-child(4) { animation-delay: 0.7s; }

@keyframes heroFadeIn {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ===== SCROLL REVEAL (below fold only, progressive enhancement) ===== */
.reveal {
    /* Default: visible, no animation — works without JS */
    opacity: 1;
    transform: none;
    transition: opacity 0.7s ease, transform 0.7s ease;
}

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

/* When JS is active, start hidden for animation */
@media (prefers-reduced-motion: no-preference) {
    .reveal {
        opacity: 0;
        transform: translateY(30px);
    }
    .reveal.revealed {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ===== NAVBAR SCROLL STATE ===== */
#navbar.scrolled {
    background: rgba(15, 26, 40, 0.95);
    backdrop-filter: blur(12px);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.15);
}

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

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

/* ===== GALLERY HOVER ===== */
.group img {
    will-change: transform;
}

/* ===== BUTTON RIPPLE EFFECT ===== */
button, a {
    -webkit-tap-highlight-color: transparent;
}

/* ===== SELECTION COLOR ===== */
::selection {
    background: #d48e0a;
    color: #0f1a28;
}

/* ===== REDUCED MOTION ===== */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    html {
        scroll-behavior: auto;
    }
    .reveal {
        opacity: 1;
        transform: none;
    }
}