/* --- THEME VARIABLES --- */
:root {
    /* Dark Theme (Standard) */
    --bg-main: #0a0a0a;
    --bg-sec: #0f0f0f;
    --bg-card: #141414;
    --text-main: #e5e5e5;
    --text-muted: #9ca3af;
    --gold: #d4af37;
    --accent: #d4af37;
    --nav-bg: rgba(0, 0, 0, 0.85);
    --border-color: rgba(255, 255, 255, 0.08);
    --input-bg: rgba(255, 255, 255, 0.03);
    --shadow-glow: 0 0 20px rgba(212, 175, 55, 0.1);
}

/* Light Theme (Wüste/Tag) */
body.light-theme {
    --bg-main: #EFE5D5; 
    --bg-sec: #E6DBCB;  
    --bg-card: #F5EFE6; 
    --text-main: #3E2723; 
    --text-muted: #5D4037; 
    --gold: #B8860B;    
    --accent: #33691E;  
    --nav-bg: rgba(239, 229, 213, 0.9);
    --border-color: rgba(62, 39, 35, 0.1);
    --input-bg: rgba(62, 39, 35, 0.05);
    --shadow-glow: 0 0 20px rgba(51, 105, 30, 0.1);
}

body {
    font-family: 'Lora', serif;
    background-color: var(--bg-main);
    color: var(--text-main);
    transition: background-color 0.6s cubic-bezier(0.4, 0, 0.2, 1), color 0.6s ease;
    overflow-x: hidden;
}

h1, h2, h3, h4, .cinzel { font-family: 'Cinzel', serif; }

/* --- UTILITIES --- */
.theme-text-gold { color: var(--gold); }
.theme-bg-card { background-color: var(--bg-card); }
.theme-border { border-color: var(--border-color); }

/* Navigation Links */
.nav-link {
    transition: color 0.3s;
}
.nav-link:hover { color: var(--gold); }

/* Dropdown */
.dropdown:hover .dropdown-menu { display: block; animation: fadeIn 0.3s ease-out; }
.dropdown-menu {
    display: none; position: absolute; top: 100%; left: 0;
    background-color: var(--bg-card); min-width: 220px;
    box-shadow: 0 10px 25px rgba(0,0,0,0.5);
    border: 1px solid var(--border-color);
    padding: 0.5rem 0; z-index: 60; border-top: 2px solid var(--gold);
}
.dropdown-item {
    display: block; padding: 0.75rem 1.5rem; color: var(--text-muted);
    transition: all 0.2s; font-size: 0.8rem; border-left: 2px solid transparent;
}
.dropdown-item:hover {
    color: var(--gold); background-color: var(--bg-sec);
    border-left: 2px solid var(--gold); padding-left: 1.8rem;
}

/* Hero & Particles */
.hero-bg { background: radial-gradient(circle at center, #1a1a1a 0%, #000000 100%); position: relative; }
body.light-theme .hero-bg { background: radial-gradient(circle at center, #EFE5D5 0%, #D7CCC8 100%); }
.hero-bg::before {
    content: ''; position: absolute; inset: 0;
    background-image: url('https://images.unsplash.com/photo-1465101162946-4377e57745c3?q=80&w=2078&auto=format&fit=crop'); 
    background-size: cover; background-position: center; opacity: 0.2; mix-blend-mode: overlay;
    transition: opacity 1s ease;
}
.hero-overlay { background: linear-gradient(to bottom, transparent 0%, rgba(0,0,0,0) 60%, var(--bg-main) 100%); }

.particles { position: absolute; top: 0; left: 0; width: 100%; height: 100%; overflow: hidden; pointer-events: none; }
.particle {
    position: absolute; width: 2px; height: 2px; background: var(--gold); border-radius: 50%;
    animation: moveParticle 20s linear infinite; opacity: 0.3;
}
@keyframes moveParticle {
    0% { transform: translateY(0) translateX(0); opacity: 0; }
    50% { opacity: 0.5; }
    100% { transform: translateY(-100vh) translateX(50px); opacity: 0; }
}

/* Animations */
@keyframes float { 0% { transform: translateY(0px); } 50% { transform: translateY(-10px); } 100% { transform: translateY(0px); } }
.animate-float { animation: float 6s ease-in-out infinite; }

@keyframes fadeInUp { from { opacity: 0; transform: translateY(30px); } to { opacity: 1; transform: translateY(0); } }
.fade-in-up { animation: fadeInUp 0.8s cubic-bezier(0.2, 0.8, 0.2, 1) forwards; }

.typing-cursor::after { content: '|'; animation: blink 1s infinite; }
@keyframes blink { 0%, 100% { opacity: 1; } 50% { opacity: 0; } }

/* 3D Cards */
.card-3d {
    transition: transform 0.1s ease, box-shadow 0.3s ease, border-color 0.3s;
    transform-style: preserve-3d;
}

/* Audio Player */
.audio-player {
    background: var(--bg-sec); border: 1px solid var(--border-color);
    border-radius: 12px; padding: 1rem; display: flex; align-items: center; gap: 1rem;
    box-shadow: var(--shadow-glow);
}

/* Inputs */
.label-text { display: block; font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.1em; margin-bottom: 0.5rem; opacity: 0.7; }
.input-field {
    width: 100%; padding: 1rem; background: var(--input-bg); border: 1px solid var(--border-color);
    outline: none; transition: all 0.3s; font-size: 0.875rem; border-radius: 2px;
}
.input-field:focus { border-color: var(--gold); }

/* Page Sections logic */
.page-section { display: none; padding-top: 80px; min-height: 100vh; opacity: 0; transition: opacity 0.5s ease; }
.page-section.active { display: block; opacity: 1; }

/* Scrollbar */
#scroll-progress { position: fixed; top: 0; left: 0; height: 3px; background: var(--gold); z-index: 100; width: 0%; box-shadow: 0 0 10px var(--gold); }
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg-main); }
::-webkit-scrollbar-thumb { background: #333; border-radius: 10px; }
body.light-theme ::-webkit-scrollbar-thumb { background: #8D6E63; }
::-webkit-scrollbar-thumb:hover { background: var(--gold); }

/* Buttons */
.btn-primary { background-color: var(--gold); color: white; transition: all 0.3s; }
.btn-primary:hover { background-color: white; color: black; }
.btn-secondary { border: 1px solid var(--text-muted); color: var(--text-main); transition: all 0.3s; }
.btn-secondary:hover { border-color: var(--text-main); background-color: var(--bg-sec); }