/* ============================================
   Shin's Karaoke — Custom Styles
   ============================================ */

/* Base & Smooth Scrolling */
html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    overflow-x: hidden;
}

/* ============================================
   Navbar
   ============================================ */
#navbar {
    transition: background-color 0.4s ease, box-shadow 0.4s ease, backdrop-filter 0.4s ease;
}

#navbar.scrolled {
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(12px);
    box-shadow: 0 1px 20px rgba(0, 0, 0, 0.08);
}

#navbar.scrolled .nav-logo-text {
    color: #0f172a;
}

#navbar.scrolled a:not(.bg-teal-600):not(.bg-slate-900) {
    color: #475569;
}

#navbar.scrolled a:not(.bg-teal-600):not(.bg-slate-900):hover {
    color: #0d9488;
}

/* ============================================
   Hero Orbs
   ============================================ */
.hero-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.4;
    animation: orbFloat 8s ease-in-out infinite;
}

.hero-orb-1 {
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(45, 212, 191, 0.6), transparent);
    top: -100px;
    right: -100px;
    animation-delay: 0s;
}

.hero-orb-2 {
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(14, 165, 233, 0.4), transparent);
    bottom: -50px;
    left: -50px;
    animation-delay: -3s;
}

.hero-orb-3 {
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, rgba(167, 243, 208, 0.5), transparent);
    top: 40%;
    left: 20%;
    animation-delay: -5s;
}

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

/* ============================================
   Scroll Reveal Animations
   ============================================ */
.reveal {
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.7s cubic-bezier(0.22, 1, 0.36, 1), transform 0.7s cubic-bezier(0.22, 1, 0.36, 1);
}

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

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

/* Stagger children */
.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }

/* ============================================
   Mobile Menu
   ============================================ */
.mobile-menu-link {
    display: block;
    padding: 0.75rem 1rem;
    border-radius: 0.75rem;
    transition: background-color 0.2s ease, color 0.2s ease;
}

.mobile-menu-link:hover {
    background-color: rgba(20, 184, 166, 0.08);
    color: #0d9488;
}

#mobile-menu {
    animation: slideDown 0.3s ease-out;
}

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

/* ============================================
   Selection Color
   ============================================ */
::selection {
    background-color: rgba(20, 184, 166, 0.3);
    color: #0f172a;
}

/* ============================================
   Custom Scrollbar
   ============================================ */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: #f8fafc;
}

::-webkit-scrollbar-thumb {
    background: #cbd5e1;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #94a3b8;
}

/* ============================================
   Form Focus States
   ============================================ */
input:focus,
select:focus,
textarea:focus {
    outline: none;
}

/* ============================================
   Image Hover Enhancement
   ============================================ */
.group img {
    will-change: transform;
}

/* ============================================
   Print Styles
   ============================================ */
@media print {
    #navbar,
    .hero-orb,
    #mobile-menu-btn,
    .reveal {
        display: none !important;
    }
    
    body {
        color: #000;
        background: #fff;
    }
}