:root {
  --bg: #0a0a0f;
  --bg2: #12121a;
  --bg3: #1a1a25;
  --border: #2a2a3a;
  --accent: #ff4d6d;
  --accent2: #c77dff;
  --accent3: #48cae4;
  --gold: #ffd700;
  --text: #e8e8f0;
  --text2: #9090b0;
  --success: #06d6a0;
  --warning: #ffd166;
  --error: #ef476f;
  --radius: 12px;
  --shadow: 0 8px 32px rgba(0,0,0,0.4);
}
* { margin:0; padding:0; box-sizing:border-box; }
html { scroll-behavior:smooth; }
body { background:var(--bg); color:var(--text); font-family:'Inter',system-ui,sans-serif; line-height:1.6; min-height:100vh; }
a { color:inherit; text-decoration:none; }
img { max-width:100%; }

/* NAV */
nav { position:fixed; top:0; left:0; right:0; z-index:100; background:rgba(10,10,15,0.95); backdrop-filter:blur(20px); border-bottom:1px solid var(--border); padding:0 2rem; height:64px; display:flex; align-items:center; justify-content:space-between; }
.nav-logo { font-size:1.4rem; font-weight:800; background:linear-gradient(135deg,var(--accent),var(--accent2)); -webkit-background-clip:text; -webkit-text-fill-color:transparent; letter-spacing:-0.5px; }
.nav-logo span { font-size:0.6em; font-weight:400; opacity:0.7; margin-left:4px; -webkit-text-fill-color:var(--text2); }
.nav-links { display:flex; gap:2rem; align-items:center; }
.nav-links a { color:var(--text2); font-size:0.9rem; transition:color .2s; }
.nav-links a:hover { color:var(--text); }
.nav-cta { background:linear-gradient(135deg,var(--accent),#c1121f); color:#fff; padding:0.5rem 1.25rem; border-radius:8px; font-size:0.85rem; font-weight:600; transition:opacity .2s; }
.nav-cta:hover { opacity:0.85; }

/* HERO */
.hero { min-height:100vh; display:flex; align-items:center; justify-content:center; text-align:center; padding:8rem 2rem 4rem; position:relative; overflow:hidden; }
.hero::before { content:''; position:absolute; top:-50%; left:-50%; width:200%; height:200%; background:radial-gradient(ellipse at 60% 40%,rgba(255,77,109,0.08) 0%,transparent 60%),radial-gradient(ellipse at 30% 70%,rgba(199,125,255,0.06) 0%,transparent 50%); pointer-events:none; }
.hero-badge { display:inline-flex; align-items:center; gap:0.5rem; background:rgba(255,77,109,0.1); border:1px solid rgba(255,77,109,0.3); color:var(--accent); padding:0.35rem 1rem; border-radius:99px; font-size:0.8rem; font-weight:600; letter-spacing:0.5px; text-transform:uppercase; margin-bottom:1.5rem; }
.hero h1 { font-size:clamp(2.5rem,6vw,5rem); font-weight:900; letter-spacing:-2px; line-height:1.05; margin-bottom:1.5rem; }
.hero h1 .gradient { background:linear-gradient(135deg,var(--accent),var(--accent2),var(--accent3)); -webkit-background-clip:text; -webkit-text-fill-color:transparent; }
.hero p { font-size:1.2rem; color:var(--text2); max-width:600px; margin:0 auto 2.5rem; }
.hero-btns { display:flex; gap:1rem; justify-content:center; flex-wrap:wrap; }
.btn { display:inline-flex; align-items:center; gap:0.5rem; padding:0.85rem 2rem; border-radius:10px; font-weight:700; font-size:0.95rem; transition:all .2s; cursor:pointer; border:none; }
.btn-primary { background:linear-gradient(135deg,var(--accent),#c1121f); color:#fff; box-shadow:0 4px 20px rgba(255,77,109,0.3); }
.btn-primary:hover { transform:translateY(-2px); box-shadow:0 8px 30px rgba(255,77,109,0.4); }
.btn-secondary { background:transparent; border:1px solid var(--border); color:var(--text); }
.btn-secondary:hover { border-color:var(--accent); color:var(--accent); }
.hero-stats { display:flex; gap:3rem; justify-content:center; margin-top:4rem; flex-wrap:wrap; }
.stat { text-align:center; }
.stat-num { font-size:2rem; font-weight:800; color:var(--accent); }
.stat-label { font-size:0.8rem; color:var(--text2); margin-top:0.25rem; }

/* PIPELINE */
.pipeline { padding:6rem 2rem; max-width:1100px; margin:0 auto; }
.section-title { text-align:center; font-size:clamp(1.8rem,4vw,2.8rem); font-weight:800; margin-bottom:1rem; letter-spacing:-1px; }
.section-sub { text-align:center; color:var(--text2); margin-bottom:4rem; font-size:1.05rem; }
.pipeline-steps { display:grid; grid-template-columns:repeat(auto-fit,minmax(200px,1fr)); gap:1.5rem; }
.step { background:var(--bg2); border:1px solid var(--border); border-radius:var(--radius); padding:2rem 1.5rem; text-align:center; transition:all .3s; position:relative; overflow:hidden; }
.step::before { content:''; position:absolute; top:0; left:0; right:0; height:3px; background:linear-gradient(90deg,var(--accent),var(--accent2)); opacity:0; transition:opacity .3s; }
.step:hover { border-color:var(--accent); transform:translateY(-4px); }
.step:hover::before { opacity:1; }
.step-icon { font-size:2.5rem; margin-bottom:1rem; }
.step-num { font-size:0.7rem; font-weight:700; color:var(--accent); letter-spacing:1px; text-transform:uppercase; margin-bottom:0.5rem; }
.step h3 { font-size:1rem; font-weight:700; margin-bottom:0.5rem; }
.step p { font-size:0.85rem; color:var(--text2); }

/* STUDIO FORM */
.studio { padding:5rem 2rem; max-width:900px; margin:0 auto; }
.studio-card { background:var(--bg2); border:1px solid var(--border); border-radius:16px; padding:2.5rem; }
.form-grid { display:grid; grid-template-columns:1fr 1fr; gap:1.5rem; }
.form-group { display:flex; flex-direction:column; gap:0.5rem; }
.form-group.full { grid-column:1/-1; }
label { font-size:0.85rem; font-weight:600; color:var(--text2); letter-spacing:0.3px; }
input, textarea, select { background:var(--bg3); border:1px solid var(--border); border-radius:8px; color:var(--text); padding:0.75rem 1rem; font-size:0.95rem; transition:border-color .2s; font-family:inherit; width:100%; }
input:focus, textarea:focus, select:focus { outline:none; border-color:var(--accent); }
textarea { resize:vertical; min-height:100px; }
select option { background:var(--bg2); }
.model-grid { display:grid; grid-template-columns:repeat(auto-fill,minmax(140px,1fr)); gap:0.75rem; }
.model-card { background:var(--bg3); border:2px solid var(--border); border-radius:10px; padding:1rem; cursor:pointer; transition:all .2s; text-align:center; }
.model-card:hover { border-color:var(--accent2); }
.model-card.active { border-color:var(--accent); background:rgba(255,77,109,0.08); }
.model-card .model-icon { font-size:1.5rem; margin-bottom:0.35rem; }
.model-card .model-name { font-size:0.8rem; font-weight:700; }
.model-card .model-desc { font-size:0.7rem; color:var(--text2); margin-top:0.2rem; }
.voices { display:grid; grid-template-columns:repeat(auto-fill,minmax(120px,1fr)); gap:0.6rem; }
.voice-card { background:var(--bg3); border:2px solid var(--border); border-radius:8px; padding:0.75rem; cursor:pointer; transition:all .2s; text-align:center; }
.voice-card:hover { border-color:var(--accent3); }
.voice-card.active { border-color:var(--accent3); background:rgba(72,202,228,0.08); }
.voice-card .voice-icon { font-size:1.2rem; }
.voice-card .voice-name { font-size:0.78rem; font-weight:600; margin-top:0.2rem; }

/* PROGRESS */
.progress-panel { display:none; background:var(--bg2); border:1px solid var(--border); border-radius:16px; padding:2rem; margin-top:1.5rem; }
.progress-panel.visible { display:block; }
.progress-header { display:flex; justify-content:space-between; align-items:center; margin-bottom:1.5rem; }
.progress-title { font-size:1.1rem; font-weight:700; }
.progress-pct { font-size:1.5rem; font-weight:800; color:var(--accent); }
.progress-bar-wrap { background:var(--bg3); border-radius:99px; height:8px; overflow:hidden; margin-bottom:1.5rem; }
.progress-bar { height:100%; background:linear-gradient(90deg,var(--accent),var(--accent2)); border-radius:99px; transition:width .5s ease; }
.stages { display:flex; flex-direction:column; gap:0.6rem; }
.stage-row { display:flex; align-items:center; gap:0.75rem; font-size:0.88rem; }
.stage-dot { width:10px; height:10px; border-radius:50%; background:var(--border); flex-shrink:0; transition:background .3s; }
.stage-dot.active { background:var(--accent); box-shadow:0 0 8px var(--accent); }
.stage-dot.done { background:var(--success); }
.stage-name { color:var(--text2); transition:color .3s; }
.stage-name.active { color:var(--text); font-weight:600; }

/* RESULTS */
.results { display:none; margin-top:1.5rem; }
.results.visible { display:block; }
.result-tabs { display:flex; gap:0.5rem; margin-bottom:1.5rem; flex-wrap:wrap; }
.tab-btn { background:var(--bg3); border:1px solid var(--border); color:var(--text2); padding:0.5rem 1rem; border-radius:8px; cursor:pointer; font-size:0.85rem; transition:all .2s; }
.tab-btn.active { background:var(--accent); border-color:var(--accent); color:#fff; }
.tab-panel { display:none; }
.tab-panel.active { display:block; }
.script-block { background:var(--bg3); border:1px solid var(--border); border-radius:10px; padding:1.5rem; }
.script-block h4 { color:var(--accent); font-size:0.8rem; font-weight:700; text-transform:uppercase; letter-spacing:1px; margin-bottom:0.5rem; }
.script-block p { color:var(--text); line-height:1.7; margin-bottom:1rem; }
.quality-badge { display:inline-flex; align-items:center; gap:0.4rem; background:rgba(6,214,160,0.1); border:1px solid var(--success); color:var(--success); padding:0.3rem 0.75rem; border-radius:99px; font-size:0.8rem; font-weight:700; }
video { width:100%; border-radius:12px; background:#000; }
audio { width:100%; border-radius:8px; }
.download-btn { display:inline-flex; align-items:center; gap:0.5rem; background:var(--bg3); border:1px solid var(--border); color:var(--text); padding:0.6rem 1.25rem; border-radius:8px; font-size:0.85rem; cursor:pointer; transition:all .2s; margin-top:0.75rem; }
.download-btn:hover { border-color:var(--success); color:var(--success); }

/* FEATURES */
.features { padding:6rem 2rem; background:var(--bg2); }
.features-inner { max-width:1100px; margin:0 auto; }
.features-grid { display:grid; grid-template-columns:repeat(auto-fit,minmax(280px,1fr)); gap:1.5rem; }
.feature-card { background:var(--bg); border:1px solid var(--border); border-radius:var(--radius); padding:1.75rem; transition:all .3s; }
.feature-card:hover { border-color:var(--accent2); transform:translateY(-3px); }
.feature-icon { font-size:2rem; margin-bottom:1rem; }
.feature-card h3 { font-size:1.05rem; font-weight:700; margin-bottom:0.5rem; }
.feature-card p { font-size:0.88rem; color:var(--text2); line-height:1.6; }

/* PRICING */
.pricing { padding:6rem 2rem; max-width:1000px; margin:0 auto; }
.pricing-grid { display:grid; grid-template-columns:repeat(auto-fit,minmax(280px,1fr)); gap:1.5rem; align-items:start; }
.price-card { background:var(--bg2); border:1px solid var(--border); border-radius:16px; padding:2rem; transition:all .3s; }
.price-card.popular { border-color:var(--accent); position:relative; }
.popular-badge { position:absolute; top:-12px; left:50%; transform:translateX(-50%); background:var(--accent); color:#fff; padding:0.25rem 1rem; border-radius:99px; font-size:0.75rem; font-weight:700; white-space:nowrap; }
.price-name { font-size:1rem; font-weight:700; margin-bottom:0.25rem; }
.price-amount { font-size:2.5rem; font-weight:900; letter-spacing:-1px; margin:1rem 0 0.25rem; }
.price-amount span { font-size:1rem; font-weight:400; color:var(--text2); }
.price-period { font-size:0.85rem; color:var(--text2); margin-bottom:1.5rem; }
.price-features { display:flex; flex-direction:column; gap:0.6rem; margin-bottom:2rem; }
.pf { display:flex; align-items:center; gap:0.5rem; font-size:0.88rem; }
.pf::before { content:''; color:var(--success); font-weight:700; flex-shrink:0; }

/* FOOTER */
footer { background:var(--bg2); border-top:1px solid var(--border); padding:3rem 2rem; text-align:center; color:var(--text2); font-size:0.85rem; }
footer strong { color:var(--text); }

/* ALERTS */
.alert { padding:1rem 1.25rem; border-radius:10px; font-size:0.9rem; margin-bottom:1rem; display:flex; align-items:center; gap:0.75rem; }
.alert-error { background:rgba(239,71,111,0.1); border:1px solid rgba(239,71,111,0.3); color:#f87a9a; }
.alert-success { background:rgba(6,214,160,0.1); border:1px solid rgba(6,214,160,0.3); color:var(--success); }

@media (max-width:768px) {
  .form-grid { grid-template-columns:1fr; }
  .nav-links { display:none; }
  .hero-stats { gap:2rem; }
  .hero h1 { letter-spacing:-1px; }
}

/*  AUTH MODAL  */
.modal-overlay { position:fixed; inset:0; background:rgba(0,0,0,0.7); backdrop-filter:blur(8px); z-index:1000; display:none; align-items:center; justify-content:center; padding:1rem; }
.modal-box { background:var(--bg2); border:1px solid var(--border); border-radius:16px; padding:2rem; width:100%; max-width:420px; position:relative; }
.modal-close { position:absolute; top:1rem; right:1rem; background:none; border:none; color:var(--text2); font-size:1.4rem; cursor:pointer; line-height:1; }
.modal-close:hover { color:var(--text); }
.modal-title { font-size:1.4rem; font-weight:800; margin-bottom:0.25rem; }
.modal-sub { font-size:0.85rem; color:var(--text2); margin-bottom:1.5rem; }
.auth-tabs { display:flex; gap:0.5rem; margin-bottom:1.5rem; background:var(--bg3); border-radius:8px; padding:4px; }
.auth-tab { flex:1; padding:0.5rem; text-align:center; border-radius:6px; cursor:pointer; font-size:0.88rem; font-weight:600; color:var(--text2); border:none; background:none; transition:all .2s; }
.auth-tab.active { background:var(--accent); color:#fff; }
.form-error { color:var(--error); font-size:0.82rem; margin-top:0.5rem; min-height:1.2em; }
.form-group { margin-bottom:1rem; }
/*  NAV USER STATE  */
.nav-user { display:flex; align-items:center; gap:1rem; }
.credits-badge { background:rgba(255,215,0,0.12); border:1px solid rgba(255,215,0,0.3); color:var(--gold); padding:0.3rem 0.75rem; border-radius:99px; font-size:0.78rem; font-weight:700; }
.user-name { font-size:0.85rem; color:var(--text2); }
.btn-logout { background:transparent; border:1px solid var(--border); color:var(--text2); padding:0.35rem 0.85rem; border-radius:6px; font-size:0.8rem; cursor:pointer; transition:all .2s; }
.btn-logout:hover { border-color:var(--error); color:var(--error); }
/*  STUDIO LOCK OVERLAY  */
.studio-locked { text-align:center; padding:3rem 2rem; }
.lock-icon { font-size:3rem; margin-bottom:1rem; }
.studio-locked h3 { font-size:1.2rem; font-weight:700; margin-bottom:0.5rem; }
.studio-locked p { color:var(--text2); margin-bottom:1.5rem; }
.auth-btns-row { display:flex; gap:0.75rem; justify-content:center; flex-wrap:wrap; }