:root {
  --bg: #050810;
  --bg2: #080d1a;
  --card: rgba(255,255,255,0.04);
  --border: rgba(255,255,255,0.08);
  --accent: #6c63ff;
  --accent2: #00d4ff;
  --gold: #f5a623;
  --text: #e8eaf6;
  --muted: #8892b0;
  --radius: 16px;
  --nav-h: 72px;
}

*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{background:var(--bg);color:var(--text);font-family:'Pretendard','Inter',sans-serif;line-height:1.6;overflow-x:hidden}

/* NAV */
#navbar{position:fixed;top:0;left:0;right:0;z-index:100;height:var(--nav-h);backdrop-filter:blur(20px);background:rgba(5,8,16,0.8);border-bottom:1px solid var(--border);transition:all .3s}
.nav-inner{max-width:1200px;margin:0 auto;padding:0 24px;height:100%;display:flex;align-items:center;gap:40px}
.logo{font-size:1.5rem;font-weight:800;color:#fff;text-decoration:none;letter-spacing:-0.5px}
.logo-dot{color:var(--accent)}
.nav-links{display:flex;gap:32px;list-style:none;margin-left:auto}
.nav-links a{color:var(--muted);text-decoration:none;font-size:.9rem;font-weight:500;transition:color .2s}
.nav-links a:hover{color:#fff}
.btn-nav{background:var(--accent);color:#fff;padding:10px 20px;border-radius:50px;font-size:.875rem;font-weight:600;text-decoration:none;transition:all .2s}
.btn-nav:hover{background:#7c74ff;transform:translateY(-1px)}

/* CONTAINER */
.container{max-width:1200px;margin:0 auto;padding:0 24px}

/* BUTTONS */
.btn-primary{display:inline-flex;align-items:center;gap:8px;background:linear-gradient(135deg,var(--accent),var(--accent2));color:#fff;padding:16px 32px;border-radius:50px;font-size:1rem;font-weight:700;text-decoration:none;transition:all .3s;box-shadow:0 0 40px rgba(108,99,255,0.4)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 0 60px rgba(108,99,255,0.6)}
.btn-ghost{display:inline-flex;align-items:center;gap:8px;color:var(--muted);padding:16px 24px;border-radius:50px;font-size:1rem;font-weight:500;text-decoration:none;border:1px solid var(--border);transition:all .3s}
.btn-ghost:hover{color:#fff;border-color:rgba(255,255,255,0.3)}
.btn-xl{padding:20px 48px;font-size:1.125rem}

/* HERO */
#hero{min-height:100vh;display:flex;flex-direction:column;align-items:center;justify-content:center;padding-top:var(--nav-h);position:relative;overflow:hidden;text-align:center}
.hero-bg-grid{position:absolute;inset:0;background-image:linear-gradient(rgba(108,99,255,0.06) 1px,transparent 1px),linear-gradient(90deg,rgba(108,99,255,0.06) 1px,transparent 1px);background-size:60px 60px;mask-image:radial-gradient(ellipse 80% 60% at 50% 50%,black,transparent)}
.hero-orbs{position:absolute;inset:0;pointer-events:none}
.orb{position:absolute;border-radius:50%;filter:blur(80px);opacity:.35}
.orb-1{width:600px;height:600px;background:radial-gradient(circle,var(--accent),transparent);top:-200px;left:-200px}
.orb-2{width:500px;height:500px;background:radial-gradient(circle,var(--accent2),transparent);top:-100px;right:-150px}
.orb-3{width:400px;height:400px;background:radial-gradient(circle,var(--gold),transparent);bottom:-100px;left:50%;transform:translateX(-50%)}
.hero-content{position:relative;z-index:2;padding:80px 24px 40px}
.badge-pill{display:inline-block;background:rgba(108,99,255,0.15);border:1px solid rgba(108,99,255,0.4);color:var(--accent2);padding:8px 20px;border-radius:50px;font-size:.875rem;font-weight:600;margin-bottom:32px}
.hero-h1{font-size:clamp(2.2rem,5vw,4rem);font-weight:900;line-height:1.15;letter-spacing:-1.5px;margin-bottom:24px}
.highlight-zero{color:var(--gold);text-shadow:0 0 40px rgba(245,166,35,0.5)}
.gradient-text{background:linear-gradient(135deg,var(--accent),var(--accent2));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.hero-h2{font-size:clamp(1rem,2vw,1.25rem);color:var(--muted);max-width:640px;margin:0 auto 40px;font-weight:400}
.hero-h2 strong{color:var(--accent2)}
.hero-actions{display:flex;gap:16px;justify-content:center;flex-wrap:wrap;margin-bottom:60px}
.hero-stats{display:flex;align-items:center;gap:32px;justify-content:center;flex-wrap:wrap;padding:24px 40px;background:var(--card);border:1px solid var(--border);border-radius:var(--radius);backdrop-filter:blur(10px)}
.stat-item{text-align:center}
.stat-num{display:block;font-size:2rem;font-weight:900;background:linear-gradient(135deg,var(--accent),var(--accent2));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.stat-label{font-size:.8rem;color:var(--muted);font-weight:500}
.stat-divider{width:1px;height:40px;background:var(--border)}

/* HERO VISUAL */
.hero-visual{position:relative;z-index:2;margin:40px auto;width:100%;max-width:500px}
.hero-card-wrap{position:relative;display:inline-block}
.hero-device{background:#0d1424;border:1px solid var(--border);border-radius:12px;overflow:hidden;box-shadow:0 40px 80px rgba(0,0,0,0.6),0 0 0 1px rgba(108,99,255,0.2);width:320px;margin:0 auto}
.device-screen{background:#0a0f1e}
.screen-header{display:flex;align-items:center;gap:6px;padding:12px 16px;background:#080d1a;border-bottom:1px solid var(--border)}
.screen-dot{width:10px;height:10px;border-radius:50%}
.screen-dot.red{background:#ff5f56}
.screen-dot.yellow{background:#febc2e}
.screen-dot.green{background:#28c840}
.screen-title{font-size:.75rem;color:var(--muted);margin-left:8px}
.screen-body{padding:16px}
.ai-chat-row{display:flex;margin-bottom:12px;gap:8px}
.ai-chat-row.user{justify-content:flex-end}
.chat-bubble{padding:10px 14px;border-radius:12px;font-size:.8rem;max-width:80%}
.user-bubble{background:var(--accent);color:#fff}
.ai-bubble{background:rgba(255,255,255,0.06);border:1px solid var(--border);color:var(--text)}
.ai-avatar{width:28px;height:28px;border-radius:50%;background:linear-gradient(135deg,var(--accent),var(--accent2));display:flex;align-items:center;justify-content:center;font-size:.875rem;flex-shrink:0}
.typing-text{animation:typing 2s infinite}
@keyframes typing{0%,100%{opacity:1}50%{opacity:.5}}
.token-badge{display:flex;align-items:center;gap:6px;background:rgba(245,166,35,0.1);border:1px solid rgba(245,166,35,0.3);color:var(--gold);padding:6px 12px;border-radius:8px;font-size:.75rem;margin-top:12px}
.token-icon{font-size:1rem}
.zero-badge{position:absolute;top:-20px;right:-20px;width:80px;height:80px;background:linear-gradient(135deg,var(--gold),#ff8c00);border-radius:50%;display:flex;flex-direction:column;align-items:center;justify-content:center;box-shadow:0 0 40px rgba(245,166,35,0.5);animation:pulse 2s infinite}
@keyframes pulse{0%,100%{transform:scale(1)}50%{transform:scale(1.05)}}
.zero-text{font-size:1.1rem;font-weight:900;color:#fff;line-height:1}
.zero-sub{font-size:.65rem;color:rgba(255,255,255,0.8)}
.manifesto-bar{width:100%;background:linear-gradient(135deg,rgba(108,99,255,0.1),rgba(0,212,255,0.1));border-top:1px solid var(--border);border-bottom:1px solid var(--border);padding:20px 24px;text-align:center;margin-top:40px}
.manifesto-bar p{font-size:1.1rem;font-style:italic;color:var(--muted);letter-spacing:.5px}

/* SECTIONS */
section{padding:100px 0}
.section-label{display:inline-block;font-size:.8rem;font-weight:700;letter-spacing:2px;text-transform:uppercase;color:var(--accent);background:rgba(108,99,255,0.1);border:1px solid rgba(108,99,255,0.3);padding:6px 16px;border-radius:50px;margin-bottom:20px}
.section-title{font-size:clamp(1.8rem,3.5vw,2.8rem);font-weight:900;letter-spacing:-1px;margin-bottom:16px}
.section-sub{color:var(--muted);font-size:1.1rem;max-width:600px;margin-bottom:64px}

/* PROBLEM */
#problem{background:var(--bg2)}
.problem-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:24px}
.problem-card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:36px;transition:all .3s;position:relative;overflow:hidden}
.problem-card::before{content:'';position:absolute;inset:0;background:linear-gradient(135deg,rgba(255,80,80,0.05),transparent);opacity:0;transition:opacity .3s}
.problem-card:hover{border-color:rgba(255,80,80,0.3);transform:translateY(-4px)}
.problem-card:hover::before{opacity:1}
.problem-icon{font-size:2.5rem;margin-bottom:16px}
.problem-card h3{font-size:1.2rem;font-weight:700;margin-bottom:12px}
.problem-card p{color:var(--muted);font-size:.95rem;line-height:1.7}
.problem-stat{margin-top:20px;padding:12px 16px;background:rgba(255,80,80,0.08);border:1px solid rgba(255,80,80,0.2);border-radius:8px;font-size:.85rem;color:var(--muted)}
.problem-stat span{color:#ff6b6b;font-weight:700}

/* SOLUTION */
#solution{background:var(--bg)}
.solution-grid{display:flex;align-items:stretch;gap:0;max-width:800px;margin:0 auto 40px}
.solution-item{flex:1;background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:40px;position:relative}
.solution-num{position:absolute;top:20px;right:20px;font-size:3rem;font-weight:900;color:rgba(108,99,255,0.1);line-height:1}
.solution-icon-wrap{width:56px;height:56px;background:linear-gradient(135deg,rgba(108,99,255,0.2),rgba(0,212,255,0.2));border:1px solid rgba(108,99,255,0.3);border-radius:12px;display:flex;align-items:center;justify-content:center;margin-bottom:20px;color:var(--accent2)}
.solution-item h3{font-size:1.3rem;font-weight:700;margin-bottom:12px}
.solution-item p{color:var(--muted);font-size:.95rem;line-height:1.7}
.solution-connector{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:0 24px}
.connector-line{width:2px;flex:1;background:linear-gradient(to bottom,transparent,var(--accent),transparent)}
.connector-plus{font-size:1.5rem;color:var(--accent);font-weight:900;padding:8px}
.solution-result{text-align:center}
.result-arrow{font-size:2rem;color:var(--accent);margin-bottom:16px}
.result-box{display:inline-flex;align-items:center;gap:12px;background:rgba(108,99,255,0.1);border:1px solid rgba(108,99,255,0.3);border-radius:var(--radius);padding:20px 32px;font-size:1rem}
.result-emoji{font-size:1.5rem}
.highlight{color:var(--accent2);font-weight:700}

/* TECH */
#tech{background:var(--bg2)}
.flow-container{display:grid;grid-template-columns:1fr auto 1fr;gap:32px;align-items:start;margin-bottom:80px}
.flow-label{font-size:.85rem;font-weight:700;letter-spacing:1px;text-transform:uppercase;padding:8px 16px;border-radius:8px;margin-bottom:20px;display:inline-block}
.before-label{background:rgba(255,80,80,0.1);color:#ff6b6b;border:1px solid rgba(255,80,80,0.3)}
.after-label{background:rgba(108,99,255,0.1);color:var(--accent2);border:1px solid rgba(108,99,255,0.3)}
.flow-steps{display:flex;flex-direction:column;align-items:center;gap:8px}
.flow-step{background:var(--card);border:1px solid var(--border);border-radius:10px;padding:14px 20px;text-align:center;font-size:.875rem;width:100%;display:flex;align-items:center;gap:10px;justify-content:center}
.flow-step-icon{font-size:1.2rem}
.flow-step.bad{border-color:rgba(255,80,80,0.3);background:rgba(255,80,80,0.05)}
.flow-step.highlight-step{border-color:rgba(108,99,255,0.4);background:rgba(108,99,255,0.08);color:#fff}
.flow-step.gold-step{border-color:rgba(245,166,35,0.4);background:rgba(245,166,35,0.1);color:var(--gold)}
.flow-arrow{color:var(--muted);font-size:1.2rem;line-height:1}
.flow-arrow.glow-arrow{color:var(--accent);text-shadow:0 0 10px var(--accent)}
.flow-vs{display:flex;align-items:center;justify-content:center;font-size:1.5rem;font-weight:900;color:var(--muted);padding-top:40px}

.features-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:24px;margin-bottom:80px}
.feature-card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:36px;position:relative;transition:all .3s}
.feature-card:hover{transform:translateY(-4px);border-color:rgba(108,99,255,0.4)}
.feature-card.featured{border-color:rgba(108,99,255,0.5);background:rgba(108,99,255,0.08)}
.feature-badge{position:absolute;top:20px;right:20px;background:var(--accent);color:#fff;font-size:.7rem;font-weight:700;padding:4px 10px;border-radius:20px}
.feature-num{font-size:.75rem;font-weight:700;color:var(--accent);letter-spacing:1px;margin-bottom:12px}
.feature-icon{font-size:2rem;margin-bottom:16px}
.feature-card h3{font-size:1.2rem;font-weight:700;margin-bottom:12px}
.feature-card p{color:var(--muted);font-size:.9rem;margin-bottom:20px}
.feature-list{list-style:none;display:flex;flex-direction:column;gap:8px}
.feature-list li{font-size:.875rem;color:var(--muted)}
.feature-list li::first-letter{color:var(--accent2)}

.chart-section{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:40px;margin-bottom:60px}
.chart-title{font-size:1.3rem;font-weight:700;margin-bottom:32px}
.chart-wrap{display:flex;flex-direction:column;gap:20px}
.chart-bar-group{display:flex;align-items:center;gap:16px}
.chart-bar-label{width:140px;font-size:.85rem;color:var(--muted);text-align:right;flex-shrink:0}
.chart-bar-track{flex:1;background:rgba(255,255,255,0.05);border-radius:8px;height:44px;position:relative;overflow:visible}
.chart-bar{height:100%;border-radius:8px;display:flex;align-items:center;padding-right:12px;justify-content:flex-end;transition:width 1.5s ease}
.before-bar{background:linear-gradient(90deg,#ff4444,#ff8080)}
.after-bar-1{background:linear-gradient(90deg,#ff8c00,#ffb347)}
.after-bar-2{background:linear-gradient(90deg,#6c63ff,#8b83ff)}
.after-bar-3{background:linear-gradient(90deg,#00d4ff,#00b4d8)}
.bar-val{font-size:.8rem;font-weight:700;color:#fff}
.chart-save-badge{position:absolute;left:calc(18% + 8px);top:50%;transform:translateY(-50%);background:rgba(0,212,255,0.15);border:1px solid rgba(0,212,255,0.4);color:var(--accent2);padding:4px 10px;border-radius:6px;font-size:.75rem;font-weight:700;white-space:nowrap}
.chart-note{font-size:.8rem;color:var(--muted);margin-top:20px}
.tech-cta{text-align:center}

/* MVNO MODEL */
#model{background:var(--bg)}
.model-grid{display:flex;align-items:center;justify-content:center;gap:0;flex-wrap:wrap;margin-bottom:40px}
.model-card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:36px;text-align:center;width:220px;flex-shrink:0}
.model-card.user-card{border-color:rgba(0,212,255,0.3)}
.model-card.platform-card{border-color:rgba(108,99,255,0.4);background:rgba(108,99,255,0.08)}
.model-card.partner-card{border-color:rgba(245,166,35,0.3)}
.model-icon{font-size:2.5rem;margin-bottom:12px}
.model-card h3{font-size:1rem;font-weight:700;margin-bottom:8px}
.model-price{font-size:2.5rem;font-weight:900;color:var(--accent2);margin:8px 0}
.model-card p{font-size:.85rem;color:var(--muted);line-height:1.6}
.model-badge{background:rgba(108,99,255,0.2);border:1px solid rgba(108,99,255,0.4);color:var(--accent);font-size:.75rem;font-weight:700;padding:4px 12px;border-radius:20px;display:inline-block;margin-bottom:12px}
.model-partners{display:flex;flex-wrap:wrap;gap:4px;justify-content:center;margin-bottom:12px}
.model-partners span{background:rgba(245,166,35,0.1);border:1px solid rgba(245,166,35,0.3);color:var(--gold);font-size:.7rem;padding:3px 8px;border-radius:4px}
.model-flow-arrow{display:flex;flex-direction:column;align-items:center;padding:0 16px;color:var(--muted);min-width:80px}
.flow-line{width:2px;height:30px;background:linear-gradient(to bottom,var(--border),var(--accent),var(--border))}
.flow-text{font-size:.7rem;text-align:center;color:var(--muted);padding:6px 0;line-height:1.4}
.model-note{display:flex;align-items:flex-start;gap:12px;background:rgba(0,212,255,0.05);border:1px solid rgba(0,212,255,0.15);border-radius:12px;padding:20px 24px;max-width:600px;margin:0 auto;color:var(--muted);font-size:.875rem;line-height:1.6}
.model-note svg{color:var(--accent2);flex-shrink:0;margin-top:2px}

/* BENEFITS */
#benefits{background:var(--bg2)}
.tier-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:20px;margin-bottom:80px}
.tier-card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:32px;text-align:center;position:relative;transition:all .3s}
.tier-card:hover{transform:translateY(-4px)}
.tier-card.featured-tier{border-color:rgba(245,166,35,0.5);background:rgba(245,166,35,0.05)}
.tier-popular{position:absolute;top:-12px;left:50%;transform:translateX(-50%);background:var(--gold);color:#000;font-size:.7rem;font-weight:800;padding:4px 14px;border-radius:20px}
.tier-badge{font-size:1.1rem;font-weight:800;margin-bottom:8px}
.tier-condition{font-size:.75rem;color:var(--muted);margin-bottom:4px}
.tier-amount{font-size:2rem;font-weight:900;margin-bottom:20px;background:linear-gradient(135deg,var(--accent),var(--accent2));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.tier-perks{list-style:none;text-align:left;display:flex;flex-direction:column;gap:8px}
.tier-perks li{font-size:.85rem;color:var(--muted);padding-left:16px;position:relative}
.tier-perks li::before{content:'✓';position:absolute;left:0;color:var(--accent2)}
.final-cta-wrap{text-align:center;padding:80px 24px;background:linear-gradient(135deg,rgba(108,99,255,0.08),rgba(0,212,255,0.05));border:1px solid rgba(108,99,255,0.2);border-radius:24px}
.final-cta-wrap h3{font-size:1.5rem;font-weight:700;margin-bottom:32px}
.cta-note{margin-top:16px;font-size:.875rem;color:var(--muted)}

/* FOOTER */
footer{background:#030507;border-top:1px solid var(--border);padding:48px 0}
.footer-inner{display:flex;flex-direction:column;align-items:center;gap:24px;text-align:center}
.footer-brand .logo{font-size:1.3rem}
.footer-brand p{color:var(--muted);font-size:.875rem;margin-top:8px;font-style:italic}
.footer-links{display:flex;gap:24px;flex-wrap:wrap;justify-content:center}
.footer-links a{color:var(--muted);text-decoration:none;font-size:.875rem;transition:color .2s}
.footer-links a:hover{color:#fff}
.footer-copy{color:rgba(255,255,255,0.2);font-size:.8rem}

/* ANIMATIONS */
.animate-fade-up{opacity:0;transform:translateY(24px);animation:fadeUp .7s ease forwards}
.delay-1{animation-delay:.1s}
.delay-2{animation-delay:.2s}
.delay-3{animation-delay:.3s}
.delay-4{animation-delay:.4s}
@keyframes fadeUp{to{opacity:1;transform:translateY(0)}}

/* RESPONSIVE */
@media(max-width:768px){
  .nav-links{display:none}
  .solution-grid{flex-direction:column}
  .solution-connector{flex-direction:row;padding:16px 0}
  .connector-line{width:40px;height:2px;flex:unset}
  .connector-plus{transform:rotate(0)}
  .flow-container{grid-template-columns:1fr;gap:40px}
  .flow-vs{padding:0}
  .model-grid{flex-direction:column;align-items:center}
  .model-flow-arrow{flex-direction:row;width:100%;justify-content:center}
  .flow-line{width:30px;height:2px}
  .chart-bar-label{width:90px;font-size:.75rem}
  .chart-save-badge{display:none}
}