/* === RESET & BASE === */
*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}
:root{
  --bg:#080c14;--bg2:#0d1219;--bg3:#111827;
  --text:#c0c7d4;--text-dim:#5a6374;--white:#edf0f5;
  --accent:#00d4aa;--accent2:#06b6d4;--accent-dim:rgba(0,212,170,.1);
  --premium:#f59e0b;--standard:#6366f1;
  --card:#0f1521;--border:#1a2234;--border-light:#243044;
  --mono:'JetBrains Mono',monospace;
}
html{scroll-behavior:smooth}
body{
  font-family:'Noto Sans KR',sans-serif;
  background:var(--bg);color:var(--text);
  line-height:1.7;font-weight:300;
  -webkit-font-smoothing:antialiased;
}
a{color:var(--accent);text-decoration:none;transition:color .2s}
a:hover{color:var(--accent2)}
.wrap{max-width:1060px;margin:0 auto;padding:0 24px}
.accent{color:var(--accent)}

/* === HEADER === */
header{
  position:fixed;top:0;left:0;right:0;z-index:100;
  background:rgba(8,12,20,.88);backdrop-filter:blur(14px);
  border-bottom:1px solid var(--border);
}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:56px}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none}
.brand-mark{
  width:28px;height:28px;border-radius:6px;
  background:linear-gradient(135deg,var(--accent),var(--accent2));
  display:flex;align-items:center;justify-content:center;
  font-size:14px;font-weight:900;color:var(--bg);
}
.brand-name{font-size:14px;font-weight:700;color:var(--white);letter-spacing:-.3px}
nav{display:flex;align-items:center;gap:24px}
nav a{font-size:12px;color:var(--text-dim);font-weight:400;transition:color .2s}
nav a:hover{color:var(--white)}
.nav-cta{
  background:var(--accent);color:var(--bg) !important;
  padding:6px 16px;border-radius:5px;font-weight:700;
}
.nav-cta:hover{background:var(--accent2)}

/* === HERO === */
.hero{
  min-height:70vh;display:flex;align-items:center;
  padding:120px 0 60px;text-align:center;
}
.hero .wrap{display:flex;flex-direction:column;align-items:center}
.hero-badge{
  display:inline-block;
  background:var(--accent-dim);color:var(--accent);
  font-size:11px;font-weight:700;letter-spacing:2px;
  padding:6px 18px;border-radius:20px;margin-bottom:24px;
  border:1px solid rgba(0,212,170,.2);
}
.hero h1{
  font-size:clamp(30px,5vw,48px);font-weight:900;
  color:var(--white);line-height:1.25;margin-bottom:20px;
  letter-spacing:-1px;
}
.hero-desc{font-size:16px;color:var(--text);margin-bottom:32px;line-height:1.8}

/* === BUTTONS === */
.btn{
  display:inline-flex;align-items:center;
  padding:12px 28px;border-radius:6px;
  font-size:14px;font-weight:700;transition:all .25s;
  cursor:pointer;border:none;text-decoration:none;
}
.btn-primary{background:var(--accent);color:var(--bg)}
.btn-primary:hover{background:var(--accent2);color:var(--bg)}
.btn-ghost{background:transparent;color:var(--text);border:1px solid var(--border)}
.btn-ghost:hover{border-color:var(--accent);color:var(--accent)}
.btn-lg{padding:14px 36px;font-size:15px}

/* === SECTIONS === */
section{padding:80px 0}
.section-dark{background:var(--bg2)}
.section-label{
  font-size:11px;letter-spacing:2.5px;text-transform:uppercase;
  color:var(--accent);margin-bottom:10px;font-weight:400;
}
.section-title{
  font-size:clamp(22px,3vw,32px);font-weight:900;color:var(--white);
  line-height:1.3;margin-bottom:14px;letter-spacing:-.5px;
}
.section-desc{font-size:14px;color:var(--text-dim);max-width:520px;margin-bottom:40px}

/* === SERVICE TABS === */
.service-tabs{display:flex;gap:4px;margin-bottom:12px}
.tab{
  padding:8px 24px;border-radius:6px;border:1px solid var(--border);
  background:transparent;color:var(--text-dim);
  font-size:13px;font-weight:700;cursor:pointer;transition:all .2s;
  font-family:inherit;
}
.tab.active{background:var(--accent);color:var(--bg);border-color:var(--accent)}
.tab[data-tab="premium"].active{background:var(--premium);border-color:var(--premium)}
.tab[data-tab="standard"].active{background:var(--standard);border-color:var(--standard)}
.service-badge-row{margin-bottom:20px}
.service-badge{font-size:12px;color:var(--text-dim);font-style:italic}

/* === PLAYER === */
.player-wrap{
  display:grid;grid-template-columns:1fr 340px;gap:20px;
  margin-bottom:48px;
}
.player-main{position:relative;border-radius:10px;overflow:hidden;background:#000}
.player-main video{width:100%;display:block;border-radius:10px}
.subtitle-overlay{
  position:absolute;bottom:48px;left:50%;transform:translateX(-50%);
  background:rgba(0,0,0,.75);color:#fff;
  padding:8px 20px;border-radius:6px;
  font-size:15px;font-weight:400;
  max-width:90%;text-align:center;
  pointer-events:none;opacity:0;transition:opacity .15s;
  backdrop-filter:blur(4px);
}
.subtitle-overlay.show{opacity:1}
.player-side{
  background:var(--card);border:1px solid var(--border);
  border-radius:10px;display:flex;flex-direction:column;
  max-height:420px;
}
.side-title{
  font-size:13px;font-weight:700;color:var(--white);
  padding:14px 16px 10px;border-bottom:1px solid var(--border);
}
.segment-list{flex:1;overflow-y:auto;padding:8px}
.segment-item{
  padding:8px 10px;border-radius:6px;cursor:pointer;
  font-size:12px;line-height:1.5;transition:background .15s;
  display:flex;gap:10px;align-items:flex-start;
}
.segment-item:hover{background:var(--accent-dim)}
.segment-item.active{background:var(--accent-dim);border-left:2px solid var(--accent)}
.seg-time{
  font-family:var(--mono);font-size:10px;color:var(--accent);
  white-space:nowrap;min-width:46px;padding-top:2px;
}
.seg-text{color:var(--text)}
.side-meta{
  border-top:1px solid var(--border);padding:12px 16px;
  display:flex;flex-direction:column;gap:6px;
}
.meta-row{display:flex;justify-content:space-between;font-size:11px}
.meta-label{color:var(--text-dim)}
.meta-value{color:var(--white);font-weight:700}
.meta-value.accent{color:var(--accent)}

/* === COMPARE === */
.compare-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.compare-card{
  background:var(--card);border:1px solid var(--border);
  border-radius:10px;padding:28px 24px;transition:border-color .3s;
}
.compare-card:hover{border-color:var(--accent)}
.compare-card.premium{border-color:var(--premium)}
.compare-card.standard{border-color:var(--standard)}
.compare-tier{
  font-size:11px;font-weight:700;letter-spacing:1.5px;
  text-transform:uppercase;margin-bottom:6px;
}
.compare-card.premium .compare-tier{color:var(--premium)}
.compare-card.standard .compare-tier{color:var(--standard)}
.compare-card h3{font-size:18px;font-weight:900;color:var(--white);margin-bottom:6px}
.compare-price{font-size:14px;color:var(--text);margin-bottom:14px}
.compare-price strong{font-size:24px;font-weight:900;color:var(--white)}
.compare-card ul{list-style:none;padding:0}
.compare-card li{
  font-size:13px;color:var(--text);padding:5px 0;
  border-bottom:1px solid var(--border);
}
.compare-card li:last-child{border:none}
.compare-card li::before{content:'✓';color:var(--accent);margin-right:8px;font-weight:700}

/* === PROCESS === */
.process-flow{display:flex;align-items:flex-start;gap:8px;flex-wrap:wrap;justify-content:center}
.process-step{
  background:var(--card);border:1px solid var(--border);
  border-radius:10px;padding:24px 20px;text-align:center;
  flex:1;min-width:180px;max-width:220px;
  transition:border-color .3s,transform .3s;
}
.process-step:hover{border-color:var(--accent);transform:translateY(-4px)}
.step-num{font-family:var(--mono);font-size:11px;color:var(--accent);margin-bottom:8px}
.step-icon{font-size:28px;margin-bottom:10px}
.process-step h3{font-size:14px;font-weight:700;color:var(--white);margin-bottom:6px}
.process-step p{font-size:12px;color:var(--text-dim);line-height:1.5;margin-bottom:8px}
.step-time{
  font-size:10px;font-weight:700;color:var(--accent);
  background:var(--accent-dim);padding:3px 10px;border-radius:10px;
}
.process-arrow{
  color:var(--border-light);font-size:20px;
  display:flex;align-items:center;padding-top:60px;
}

/* === FORMATS === */
.format-tabs{display:flex;gap:4px;margin-bottom:16px}
.fmt-tab{
  padding:8px 20px;border-radius:6px;border:1px solid var(--border);
  background:transparent;color:var(--text-dim);
  font-size:12px;font-weight:700;cursor:pointer;
  font-family:var(--mono);transition:all .2s;
}
.fmt-tab.active{background:var(--accent);color:var(--bg);border-color:var(--accent)}
.format-preview{
  background:var(--bg3);border:1px solid var(--border);
  border-radius:10px;overflow:hidden;
}
.code-block{
  font-family:var(--mono);font-size:12px;line-height:1.7;
  color:var(--text);padding:20px 24px;
  white-space:pre-wrap;word-break:break-all;
  max-height:320px;overflow-y:auto;margin:0;
}
.format-note{font-size:12px;color:var(--text-dim);margin-top:16px}

/* === CTA === */
.cta-section{text-align:center;padding:40px 0}
.cta-section .section-desc{margin-left:auto;margin-right:auto}
.cta-buttons{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}

/* === FOOTER === */
footer{padding:28px 0;border-top:1px solid var(--border);text-align:center}
footer p{font-size:11px;color:var(--text-dim)}

/* === FADE === */
.fade{opacity:0;transform:translateY(16px);transition:opacity .5s ease,transform .5s ease}
.fade.show{opacity:1;transform:translateY(0)}

/* === MOBILE === */
@media(max-width:768px){
  nav{display:none}
  .player-wrap{grid-template-columns:1fr}
  .player-side{max-height:280px}
  .compare-grid{grid-template-columns:1fr}
  .process-flow{flex-direction:column;align-items:center}
  .process-arrow{transform:rotate(90deg);padding:0}
  .cta-buttons{flex-direction:column;align-items:center}
  .btn-lg{width:100%;justify-content:center}
}
@media(max-width:480px){
  .hero h1{font-size:26px}
  section{padding:56px 0}
  .format-tabs{flex-wrap:wrap}
}