/* 
   Sonic Sanctuary & Master Cinema - Global Styles
   Brand Identity: Acoustic Precision, Minimalist Black & Gold, Vacuum Tube Warmth
*/

:root {
    --obsidian-black: #121212;
    --copper-tube: #B87333;
    --aluminum-gray: #8E8E8E;
    --deep-charcoal: #1a1a1a;
    --soft-gold: #d4af37;
    --text-light: #e0e0e0;
    --transition-damping: cubic-bezier(0.25, 0.8, 0.25, 1);
}

body {
    background-color: var(--obsidian-black);
    color: var(--text-light);
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    line-height: 1.6;
    overflow-x: hidden;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 300;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--copper-tube);
}

.text-gradient {
    background: linear-gradient(45deg, var(--copper-tube), #f5deb3);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* Navigation */
.navbar {
    background-color: rgba(18, 18, 18, 0.95);
    border-bottom: 1px solid rgba(184, 115, 51, 0.2);
    backdrop-filter: blur(10px);
    padding: 1.5rem 0;
    transition: all 0.5s var(--transition-damping);
}

.navbar-brand {
    font-weight: 700;
    color: var(--copper-tube) !important;
    letter-spacing: 3px;
}

.nav-link {
    color: var(--aluminum-gray) !important;
    margin: 0 15px;
    font-size: 0.9rem;
    letter-spacing: 1px;
    transition: color 0.3s ease;
}

.nav-link:hover, .nav-link.active {
    color: var(--copper-tube) !important;
}

/* Buttons - "Wound Cable" Feel */
.btn-elite {
    background: transparent;
    color: var(--copper-tube);
    border: 1px solid var(--copper-tube);
    padding: 12px 30px;
    border-radius: 0;
    position: relative;
    overflow: hidden;
    transition: all 0.4s var(--transition-damping);
    z-index: 1;
}

.btn-elite::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(184, 115, 51, 0.2), transparent);
    transition: all 0.6s ease;
    z-index: -1;
}

.btn-elite:hover {
    color: #fff;
    box-shadow: 0 0 15px rgba(184, 115, 51, 0.4);
    transform: translateY(-2px);
}

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

/* Sections */
section {
    padding: 100px 0;
}

.section-title {
    margin-bottom: 60px;
    position: relative;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -15px;
    left: 0;
    width: 50px;
    height: 1px;
    background: var(--copper-tube);
}

/* Cards */
.elite-card {
    background: var(--deep-charcoal);
    border: 1px solid rgba(142, 142, 142, 0.1);
    padding: 30px;
    transition: all 0.5s var(--transition-damping);
}

.elite-card:hover {
    border-color: var(--copper-tube);
    transform: translateY(-10px);
}

/* Waveform Background Animation */
#waveform-bg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    opacity: 0.05;
    pointer-events: none;
}

/* Footer */
footer {
    background: #0a0a0a;
    padding: 60px 0;
    border-top: 1px solid rgba(184, 115, 51, 0.1);
}

.footer-logo {
    color: var(--copper-tube);
    font-size: 1.5rem;
    margin-bottom: 20px;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 6px;
}
::-webkit-scrollbar-track {
    background: var(--obsidian-black);
}
::-webkit-scrollbar-thumb {
    background: var(--copper-tube);
}