/* ============================================
   ZETRONIC RECORDS — MAIN CSS (Part 1)
   ============================================ */

:root {
    --bg-primary: #050810;
    --bg-secondary: #080d1a;
    --bg-card: #0c1220;
    --bg-glass: rgba(12, 18, 32, 0.7);
    --gold: #c9a84c;
    --gold-light: #f0c040;
    --gold-dim: rgba(201, 168, 76, 0.12);
    --gold-glow: rgba(201, 168, 76, 0.3);
    --white: #ffffff;
    --text-primary: #e8e8e8;
    --text-secondary: #8a9ab5;
    --text-muted: #4a5568;
    --border: rgba(201, 168, 76, 0.15);
    --border-hover: rgba(201, 168, 76, 0.4);
    --font-display: 'Bebas Neue', sans-serif;
    --font-serif: 'Playfair Display', serif;
    --font-body: 'Inter', sans-serif;
    --section-py: 100px;
    --container-max: 1280px;
    --container-px: 24px;
    --ease: cubic-bezier(0.4, 0, 0.2, 1);
    --duration: 0.3s;
    --shadow-gold: 0 0 30px rgba(201, 168, 76, 0.2);
    --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.4);
    --radius-sm: 8px;
    --radius-md: 16px;
    --radius-lg: 24px;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; font-size: 16px; }

body {
    font-family: var(--font-body);
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

body.loading { overflow: hidden; }
img, video, iframe { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }

/* LOADING SCREEN */
.loading-screen {
    position: fixed;
    inset: 0;
    z-index: 9999;
    background: var(--bg-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: opacity 0.8s var(--ease), visibility 0.8s;
}
.loading-screen.hidden { opacity: 0; visibility: hidden; pointer-events: none; }
.loading-inner { display: flex; flex-direction: column; align-items: center; gap: 24px; }
.loading-ring { animation: lspin 2s linear infinite; }
.ring-fill {
    animation: ringFill 2.5s ease-in-out forwards;
    transform-origin: center;
    transform: rotate(-90deg);
}
@keyframes ringFill { to { stroke-dashoffset: 0; } }
@keyframes lspin { to { transform: rotate(360deg); } }
.loading-brand { display: flex; flex-direction: column; align-items: center; gap: 2px; }
.lb-main { font-family: var(--font-display); font-size: 2.5rem; letter-spacing: 0.3em; color: var(--white); }
.lb-sub { font-size: 0.85rem; letter-spacing: 0.5em; color: var(--gold); text-transform: uppercase; }
.loading-bar-wrap { width: 200px; height: 2px; background: rgba(255,255,255,0.08); border-radius: 2px; overflow: hidden; }
.loading-bar-fill { height: 100%; width: 0%; background: linear-gradient(90deg, var(--gold), var(--gold-light)); animation: loadBar 2.5s ease-in-out forwards; }
@keyframes loadBar { to { width: 100%; } }
.loading-wave { display: flex; align-items: center; gap: 4px; height: 30px; }
.loading-wave span { display: block; width: 3px; background: var(--gold); border-radius: 3px; animation: waveAnim 1s ease-in-out infinite; }
.loading-wave span:nth-child(1)  { animation-delay:0.0s; height:8px; }
.loading-wave span:nth-child(2)  { animation-delay:0.1s; height:16px; }
.loading-wave span:nth-child(3)  { animation-delay:0.2s; height:24px; }
.loading-wave span:nth-child(4)  { animation-delay:0.3s; height:18px; }
.loading-wave span:nth-child(5)  { animation-delay:0.4s; height:28px; }
.loading-wave span:nth-child(6)  { animation-delay:0.5s; height:20px; }
.loading-wave span:nth-child(7)  { animation-delay:0.6s; height:14px; }
.loading-wave span:nth-child(8)  { animation-delay:0.7s; height:22px; }
.loading-wave span:nth-child(9)  { animation-delay:0.8s; height:10px; }
.loading-wave span:nth-child(10) { animation-delay:0.9s; height:18px; }
@keyframes waveAnim { 0%,100%{transform:scaleY(0.4);opacity:0.5} 50%{transform:scaleY(1);opacity:1} }

/* NAVBAR */
.navbar {
    position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
    padding: 20px 0;
    transition: all 0.4s var(--ease);
}
.navbar.scrolled {
    padding: 12px 0;
    background: rgba(5,8,16,0.9);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
    box-shadow: 0 4px 30px rgba(0,0,0,0.3);
}
.nav-wrap {
    max-width: var(--container-max); margin: 0 auto; padding: 0 var(--container-px);
    display: flex; align-items: center; justify-content: space-between; gap: 24px;
}
.nav-logo { display: flex; align-items: center; gap: 12px; flex-shrink: 0; }
.logo-icon { flex-shrink: 0; transition: transform 0.4s var(--ease); }
.nav-logo:hover .logo-icon { transform: rotate(15deg); }
.logo-words { display: flex; flex-direction: column; line-height: 1; }
.lw-main { font-family: var(--font-display); font-size: 1.4rem; letter-spacing: 0.15em; color: var(--white); }
.lw-sub { font-size: 0.765rem; letter-spacing: 0.4em; color: var(--gold); text-transform: uppercase; margin-top: 2px; }
.nav-menu { display: flex; align-items: center; gap: 4px; }
.nav-item {
    font-size: 0.85rem; font-weight: 500; letter-spacing: 0.04em;
    color: var(--text-secondary); padding: 8px 14px; border-radius: var(--radius-sm);
    transition: color var(--duration) var(--ease), background var(--duration) var(--ease);
    position: relative;
}
.nav-item::after {
    content: ''; position: absolute; bottom: 4px; left: 50%;
    transform: translateX(-50%) scaleX(0); width: 16px; height: 1px;
    background: var(--gold); transition: transform var(--duration) var(--ease);
}
.nav-item:hover { color: var(--white); }
.nav-item:hover::after { transform: translateX(-50%) scaleX(1); }
.nav-cta-btn {
    background: var(--gold-dim); border: 1px solid var(--border);
    color: var(--gold) !important; border-radius: var(--radius-sm);
}
.nav-cta-btn:hover { background: var(--gold); color: var(--bg-primary) !important; border-color: var(--gold); }
.nav-cta-btn::after { display: none; }

.hamburger { display: none; flex-direction: column; gap: 5px; padding: 8px; border-radius: var(--radius-sm); }
.hamburger:hover { background: var(--gold-dim); }
.hamburger span { display: block; width: 24px; height: 2px; background: var(--text-primary); border-radius: 2px; transition: all 0.3s var(--ease); transform-origin: center; }
.hamburger.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.active span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.hamburger.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.mobile-nav { display: none; max-height: 0; overflow: hidden; transition: max-height 0.4s var(--ease); background: rgba(5,8,16,0.98); backdrop-filter: blur(20px); border-top: 1px solid var(--border); }
.mobile-nav.open { max-height: 600px; }
.mobile-menu-list { padding: 20px var(--container-px); display: flex; flex-direction: column; gap: 4px; }
.mob-link { display: block; padding: 12px 16px; font-size: 1rem; font-weight: 500; color: var(--text-secondary); border-radius: var(--radius-sm); transition: all var(--duration) var(--ease); }
.mob-link:hover { color: var(--white); background: var(--gold-dim); padding-left: 24px; }
.mob-cta { color: var(--gold) !important; border: 1px solid var(--border); margin-top: 8px; text-align: center; }
.mob-cta:hover { background: var(--gold) !important; color: var(--bg-primary) !important; }
.mob-socials { display: flex; gap: 16px; padding: 16px var(--container-px) 24px; border-top: 1px solid var(--border); }
.mob-social-link { color: var(--text-secondary); transition: color var(--duration) var(--ease); }
.mob-social-link:hover { color: var(--gold); }

/* HERO */
.hero {
    position: relative; min-height: 100vh;
    display: flex; align-items: center; justify-content: center;
    overflow: hidden; padding: 120px var(--container-px) 80px;
}
.hero-bg { position: absolute; inset: 0; z-index: 0; }
.hero-orb { position: absolute; border-radius: 50%; filter: blur(80px); opacity: 0.4; animation: orbFloat 8s ease-in-out infinite; }
.hero-orb-1 { width: 600px; height: 600px; background: radial-gradient(circle, rgba(201,168,76,0.25) 0%, transparent 70%); top: -200px; right: -100px; }
.hero-orb-2 { width: 400px; height: 400px; background: radial-gradient(circle, rgba(30,60,120,0.4) 0%, transparent 70%); bottom: 100px; left: -100px; animation-delay: 3s; }
.hero-orb-3 { width: 300px; height: 300px; background: radial-gradient(circle, rgba(201,168,76,0.1) 0%, transparent 70%); top: 50%; left: 40%; animation-delay: 6s; }
@keyframes orbFloat { 0%,100%{transform:translate(0,0) scale(1)} 33%{transform:translate(30px,-20px) scale(1.05)} 66%{transform:translate(-20px,30px) scale(0.95)} }
.hero-grid {
    position: absolute; inset: 0;
    background-image: linear-gradient(rgba(201,168,76,0.03) 1px, transparent 1px), linear-gradient(90deg, rgba(201,168,76,0.03) 1px, transparent 1px);
    background-size: 60px 60px;
    mask-image: radial-gradient(ellipse at center, black 30%, transparent 80%);
}
.hero-content { position: relative; z-index: 2; text-align: center; max-width: 900px; margin: 0 auto; }
.hero-badge {
    display: inline-flex; align-items: center; gap: 10px;
    background: var(--gold-dim); border: 1px solid var(--border); border-radius: 100px;
    padding: 8px 20px; font-size: 0.78rem; font-weight: 500; letter-spacing: 0.1em;
    color: var(--gold); text-transform: uppercase; margin-bottom: 32px;
}
.badge-dot { width: 8px; height: 8px; background: var(--gold); border-radius: 50%; animation: bdpulse 2s ease-in-out infinite; }
@keyframes bdpulse { 0%,100%{opacity:1;transform:scale(1)} 50%{opacity:0.5;transform:scale(0.8)} }
.hero-heading { display: flex; flex-direction: column; align-items: center; margin-bottom: 28px; }
.hh-line { font-family: var(--font-display); font-size: clamp(4rem,12vw,10rem); line-height: 0.9; letter-spacing: 0.05em; color: var(--white); display: block; }
.hh-gold { color: transparent; -webkit-text-stroke: 2px var(--gold); text-shadow: 0 0 60px rgba(201,168,76,0.3); }
.hero-desc { font-size: clamp(1rem,2vw,1.15rem); color: var(--text-secondary); line-height: 1.8; margin-bottom: 40px; max-width: 600px; margin-left: auto; margin-right: auto; }
.hero-btns { display: flex; align-items: center; justify-content: center; gap: 16px; flex-wrap: wrap; margin-bottom: 60px; }

.btn-primary-gold {
    display: inline-flex; align-items: center; gap: 10px;
    background: linear-gradient(135deg, var(--gold), var(--gold-light));
    color: var(--bg-primary); font-weight: 700; font-size: 0.9rem; letter-spacing: 0.05em;
    padding: 14px 32px; border-radius: 100px;
    transition: all var(--duration) var(--ease);
    box-shadow: 0 4px 20px rgba(201,168,76,0.3);
}
.btn-primary-gold:hover { transform: translateY(-2px); box-shadow: 0 8px 30px rgba(201,168,76,0.5); }
.btn-primary-gold svg { transition: transform var(--duration) var(--ease); }
.btn-primary-gold:hover svg { transform: translateX(4px); }

.btn-ghost-gold {
    display: inline-flex; align-items: center; gap: 10px;
    background: transparent; color: var(--text-primary); font-weight: 500; font-size: 0.9rem;
    padding: 14px 32px; border-radius: 100px; border: 1px solid var(--border);
    transition: all var(--duration) var(--ease);
}
.btn-ghost-gold:hover { border-color: var(--gold); color: var(--gold); background: var(--gold-dim); transform: translateY(-2px); }

.hero-stats { display: flex; align-items: center; justify-content: center; gap: 40px; }
.hs-item { display: flex; flex-direction: column; align-items: center; gap: 4px; }
.hs-num { font-family: var(--font-display); font-size: 2.5rem; color: var(--gold); line-height: 1; }
.hs-label { font-size: 0.72rem; color: var(--text-secondary); letter-spacing: 0.1em; text-transform: uppercase; }
.hs-sep { width: 1px; height: 40px; background: var(--border); }

.hero-waveform { position: absolute; bottom: 80px; left: 50%; transform: translateX(-50%); display: flex; align-items: center; gap: 3px; z-index: 1; opacity: 0.25; pointer-events: none; }
.hero-waveform span { display: block; width: 3px; background: var(--gold); border-radius: 3px; animation: waveAnim 1.5s ease-in-out infinite; }
.hero-waveform span:nth-child(odd)  { height: 20px; animation-delay: 0.1s; }
.hero-waveform span:nth-child(even) { height: 35px; animation-delay: 0.3s; }
.hero-waveform span:nth-child(3n)   { height: 50px; animation-delay: 0.5s; }
.hero-waveform span:nth-child(5n)   { height: 28px; animation-delay: 0.7s; }

.scroll-down {
    position: absolute; bottom: 30px; left: 50%; transform: translateX(-50%);
    display: flex; flex-direction: column; align-items: center; gap: 8px; z-index: 3;
    color: var(--text-secondary); font-size: 0.68rem; letter-spacing: 0.2em; text-transform: uppercase;
    transition: color var(--duration) var(--ease); animation: scrollBounce 2s ease-in-out infinite;
}
.scroll-down:hover { color: var(--gold); }
.scroll-mouse { width: 24px; height: 38px; border: 1.5px solid currentColor; border-radius: 12px; display: flex; justify-content: center; padding-top: 6px; }
.scroll-dot { width: 4px; height: 8px; background: currentColor; border-radius: 2px; animation: scrollDot 2s ease-in-out infinite; }
@keyframes scrollDot { 0%,100%{transform:translateY(0);opacity:1} 50%{transform:translateY(8px);opacity:0.3} }
@keyframes scrollBounce { 0%,100%{transform:translateX(-50%) translateY(0)} 50%{transform:translateX(-50%) translateY(6px)} }

.hero-wave { position: absolute; bottom: 0; left: 0; right: 0; z-index: 2; line-height: 0; }
.hero-wave svg { width: 100%; height: 80px; }

/* SECTION COMMONS */
.section { padding: var(--section-py) 0; position: relative; }
.container { max-width: var(--container-max); margin: 0 auto; padding: 0 var(--container-px); }
.sec-header { text-align: center; margin-bottom: 64px; }
.sec-tag {
    display: inline-block; font-size: 0.72rem; font-weight: 600; letter-spacing: 0.3em;
    text-transform: uppercase; color: var(--gold); margin-bottom: 16px;
    position: relative; padding: 0 20px;
}
.sec-tag::before, .sec-tag::after { content: ''; position: absolute; top: 50%; width: 30px; height: 1px; background: var(--gold); opacity: 0.5; }
.sec-tag::before { right: 100%; margin-right: -20px; }
.sec-tag::after  { left: 100%;  margin-left: -20px; }
.sec-title { font-family: var(--font-serif); font-size: clamp(2rem,5vw,3.5rem); font-weight: 700; color: var(--white); margin-bottom: 20px; line-height: 1.2; }
.sec-desc { font-size: 1.05rem; color: var(--text-secondary); max-width: 600px; margin: 0 auto; line-height: 1.8; }

.reveal { opacity: 0; transform: translateY(40px); transition: opacity 0.7s var(--ease), transform 0.7s var(--ease); transition-delay: var(--d, 0s); }
.reveal.visible { opacity: 1; transform: translateY(0); }
.fade-in-up { opacity: 0; transform: translateY(30px); animation: fadeInUp 0.8s var(--ease) forwards; }
@keyframes fadeInUp { to { opacity: 1; transform: translateY(0); } }

/* ARTISTS */
.artists-sec { background: var(--bg-secondary); }
.artists-grid { display: grid; grid-template-columns: repeat(4,1fr); gap: 24px; }
.artist-card {
    position: relative; background: var(--bg-card); border: 1px solid var(--border);
    border-radius: var(--radius-lg); overflow: hidden; transition: all 0.4s var(--ease);
}
.artist-card:hover { border-color: var(--border-hover); transform: translateY(-8px); box-shadow: var(--shadow-gold), var(--shadow-card); }
.ac-glow { position: absolute; inset: 0; background: radial-gradient(circle at 50% 0%, var(--gold-dim) 0%, transparent 60%); opacity: 0; transition: opacity 0.4s var(--ease); pointer-events: none; z-index: 0; }
.artist-card:hover .ac-glow { opacity: 1; }
.ac-img-wrap { position: relative; aspect-ratio: 1; overflow: hidden; background: linear-gradient(135deg,#0a1020,#0f1830); }
.ac-vinyl { position: absolute; inset: 0; display: flex; align-items: center; justify-content: center; }
.vinyl-disc {
    width: 160px; height: 160px; border-radius: 50%;
    background: radial-gradient(circle,#1a1a1a 0%,#0a0a0a 100%);
    position: relative; display: flex; align-items: center; justify-content: center;
    animation: vinylSpin 8s linear infinite; animation-play-state: paused;
    box-shadow: 0 0 40px rgba(0,0,0,0.8), inset 0 0 20px rgba(0,0,0,0.5);
}
.artist-card:hover .vinyl-disc { animation-play-state: running; }
@keyframes vinylSpin { to { transform: rotate(360deg); } }
.vd-ring { position: absolute; border-radius: 50%; border: 1px solid rgba(255,255,255,0.05); }
.vd-ring:nth-child(1) { width:140px; height:140px; }
.vd-ring:nth-child(2) { width:110px; height:110px; }
.vd-ring:nth-child(3) { width:80px;  height:80px;  }
.vd-center { width:40px; height:40px; border-radius:50%; background:linear-gradient(135deg,var(--gold),var(--gold-light)); display:flex; align-items:center; justify-content:center; font-family:var(--font-display); font-size:1.2rem; color:var(--bg-primary); z-index:1; }
.ac-overlay { position:absolute; inset:0; background:rgba(5,8,16,0.85); display:flex; align-items:center; justify-content:center; opacity:0; transition:opacity 0.3s var(--ease); }
.artist-card:hover .ac-overlay { opacity:1; }
.ac-spotify-btn { display:inline-flex; align-items:center; gap:10px; background:#1DB954; color:white; font-weight:600; font-size:0.85rem; padding:12px 24px; border-radius:100px; transition:all var(--duration) var(--ease); transform:translateY(10px); }
.artist-card:hover .ac-spotify-btn { transform:translateY(0); }
.ac-spotify-btn:hover { background:#1ed760; transform:scale(1.05) !important; }
.ac-info { position:relative; z-index:1; padding:20px; display:flex; align-items:center; justify-content:space-between; gap:12px; }
.ac-name { font-family:var(--font-serif); font-size:1.1rem; font-weight:700; color:var(--white); margin-bottom:4px; }
.ac-genre { font-size:0.75rem; color:var(--gold); letter-spacing:0.05em; }
.ac-links { display:flex; gap:8px; flex-shrink:0; }
.ac-link { width:34px; height:34px; border-radius:50%; border:1px solid var(--border); display:flex; align-items:center; justify-content:center; color:var(--text-secondary); transition:all var(--duration) var(--ease); }
.ac-link:hover { border-color:var(--gold); color:var(--gold); background:var(--gold-dim); }