/* Rocketsaib Landing - minimal, responsive, no framework */
:root{
  --bg:#070f22;
  --panel:#0b1730;
  --panel2:#0f2040;
  --text:#e8eefc;
  --muted:#a8b5d6;
  --line:rgba(255,255,255,.08);
  --accent:#ff8a1e;
  --accent2:#2aa6ff;
  --shadow: 0 18px 50px rgba(0,0,0,.45);
  --radius:18px;
  --max:1120px;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family: Pretendard, Inter, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Apple SD Gothic Neo", "Noto Sans KR", sans-serif;
  background: radial-gradient(1200px 700px at 20% 0%, rgba(42,166,255,.18), transparent 55%),
              radial-gradient(1000px 600px at 90% 10%, rgba(255,138,30,.16), transparent 55%),
              var(--bg);
  color:var(--text);
  line-height:1.55;
}

a{color:inherit; text-decoration:none}
.container{width:min(var(--max), 92vw); margin:0 auto}
.skip{position:absolute; left:-999px; top:auto; width:1px; height:1px; overflow:hidden}
.skip:focus{left:16px; top:16px; width:auto; height:auto; padding:10px 12px; background:#111a33; border:1px solid var(--line); border-radius:10px; z-index:9999}

.header{
  position:sticky; top:0; z-index:50;
  background: rgba(7,15,34,.7);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.header__inner{
  display:flex; align-items:center; justify-content:space-between;
  padding:14px 0;
  gap:14px;
}
.brand{display:flex; align-items:center; gap:10px}
.brand__mark{width:34px; height:34px; border-radius:10px; box-shadow:0 8px 24px rgba(0,0,0,.3)}
.brand__name{font-weight:800; letter-spacing:.2px}

.nav{display:flex; align-items:center; gap:18px}
.nav a{color:var(--muted); font-weight:600}
.nav a:hover{color:var(--text)}
.nav .btn{margin-left:6px}

.navToggle{
  display:none;
  width:42px; height:42px;
  border-radius:12px;
  border:1px solid var(--line);
  background: rgba(255,255,255,.04);
}
.navToggle span{display:block; height:2px; background:var(--text); margin:7px 10px; border-radius:2px}

.mobileNav{
  display:none;
  border-top:1px solid var(--line);
  background: rgba(7,15,34,.85);
  backdrop-filter: blur(10px);
}
.mobileNav__inner{
  padding:10px 0 16px;
  display:flex; flex-direction:column; gap:10px;
}
.mobileNav a{padding:10px 12px; border-radius:12px; color:var(--muted); font-weight:650}
.mobileNav a:hover{background: rgba(255,255,255,.05); color:var(--text)}

.btn{
  display:inline-flex; align-items:center; justify-content:center;
  padding:12px 16px;
  border-radius:14px;
  font-weight:800;
  border:1px solid var(--line);
  background: rgba(255,255,255,.04);
  color:var(--text);
  box-shadow: 0 8px 24px rgba(0,0,0,.18);
}
.btn:hover{transform: translateY(-1px)}
.btn--primary{
  background: linear-gradient(135deg, var(--accent), #ffb11e);
  border-color: rgba(255,138,30,.45);
  color:#091127;
}
.btn--ghost{
  background: rgba(255,255,255,.02);
}
.btn--sm{padding:10px 12px; border-radius:12px; font-size:14px}
.btn--full{width:100%}

.hero{padding:56px 0 26px}
.hero__grid{
  display:grid;
  grid-template-columns: 1.2fr .8fr;
  gap:28px;
  align-items:center;
}
.pill{
  display:inline-flex;
  gap:8px;
  padding:8px 12px;
  border:1px solid var(--line);
  background: rgba(255,255,255,.03);
  border-radius:999px;
  color:var(--muted);
  font-weight:750;
  margin:0 0 10px;
}
.hero h1{
  margin:0 0 10px;
  font-size: clamp(30px, 4.2vw, 52px);
  line-height:1.08;
  letter-spacing:-.6px;
}
.accent{
  background: linear-gradient(90deg, var(--accent2), var(--accent));
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
}
.lead{margin:0 0 18px; color:var(--muted); font-size:16px; max-width:52ch}
.hero__cta{display:flex; gap:10px; flex-wrap:wrap; margin-bottom:18px}
.hero__stats{
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap:10px;
}
.stat{
  padding:12px 12px;
  border:1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255,255,255,.03);
}
.stat__num{font-weight:900}
.stat__label{color:var(--muted); font-weight:650; font-size:13px}

.hero__visual{position:relative; min-height:320px}
.glass{
  border:1px solid var(--line);
  background: linear-gradient(180deg, rgba(255,255,255,.08), rgba(255,255,255,.02));
  border-radius: 24px;
  padding:18px;
  box-shadow: var(--shadow);
}
.glass img{width:100%; height:auto; display:block; border-radius:18px}
.glow{
  position:absolute; inset:-18px;
  background: radial-gradient(260px 180px at 70% 30%, rgba(255,138,30,.26), transparent 60%),
              radial-gradient(260px 180px at 25% 70%, rgba(42,166,255,.22), transparent 60%);
  filter: blur(22px);
  z-index:-1;
}

.section{padding:56px 0}
.section--alt{
  background: linear-gradient(180deg, rgba(255,255,255,.02), rgba(255,255,255,0));
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
}
.sectionHead{margin-bottom:18px}
.sectionHead h2{margin:0 0 6px; font-size:26px}
.sectionHead p{margin:0; color:var(--muted)}

.cards{
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap:14px;
  margin-top:18px;
}
.card{
  border:1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255,255,255,.03);
  padding:16px 16px 14px;
  box-shadow: 0 14px 40px rgba(0,0,0,.22);
}
.card h3{margin:0 0 6px; font-size:18px}
.card p{margin:0 0 10px; color:var(--muted)}
.card ul{margin:0; padding-left:18px; color:var(--muted)}
.card li{margin:6px 0}

.ctaStrip{
  margin-top:18px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  padding:16px;
  border-radius: var(--radius);
  background: linear-gradient(135deg, rgba(42,166,255,.10), rgba(255,138,30,.10));
  border:1px solid rgba(255,255,255,.10);
}
.ctaStrip h3{margin:0 0 4px; font-size:18px}
.ctaStrip p{margin:0; color:var(--muted)}

.steps{
  list-style:none;
  padding:0; margin:18px 0 0;
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap:14px;
}
.steps li{
  border:1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255,255,255,.03);
  padding:16px;
}
.step__num{
  font-weight:900;
  color: rgba(255,255,255,.75);
  letter-spacing:.6px;
}
.step__body h3{margin:6px 0 6px}
.step__body p{margin:0; color:var(--muted)}

.pricing{
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap:14px;
  margin-top:18px;
}
.priceCard{
  position:relative;
  border:1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255,255,255,.03);
  padding:18px;
  box-shadow: 0 14px 40px rgba(0,0,0,.22);
}
.priceCard h3{margin:0 0 4px}
.priceCard__sub{margin:0 0 12px; color:var(--muted)}
.priceCard ul{margin:0 0 14px; padding-left:18px; color:var(--muted)}
.priceCard--featured{
  background: linear-gradient(180deg, rgba(255,138,30,.12), rgba(42,166,255,.06));
  border-color: rgba(255,255,255,.16);
  transform: translateY(-4px);
}
.badge{
  position:absolute; top:14px; right:14px;
  font-size:12px; font-weight:900;
  padding:6px 10px;
  border-radius:999px;
  background: rgba(255,138,30,.22);
  border:1px solid rgba(255,138,30,.35);
}

.note{
  margin-top:16px;
  padding:14px 16px;
  border-radius: var(--radius);
  border:1px solid var(--line);
  background: rgba(255,255,255,.02);
}
.note p{margin:6px 0 0; color:var(--muted)}

.faq details{
  border:1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255,255,255,.03);
  padding:14px 16px;
  margin:10px 0;
}
.faq summary{cursor:pointer; font-weight:850}
.faq__body{margin-top:8px; color:var(--muted)}

.apply{
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap:14px;
  align-items:start;
}
.apply__copy h2{margin:0 0 8px}
.apply__copy p{margin:0 0 14px; color:var(--muted)}
.apply__tips{display:grid; gap:10px; margin:14px 0}
.tip{
  display:flex; gap:10px; align-items:flex-start;
  padding:12px;
  border-radius: var(--radius);
  border:1px solid var(--line);
  background: rgba(255,255,255,.02);
}
.tip strong{
  flex:0 0 auto;
  display:inline-flex;
  padding:4px 8px;
  border-radius:999px;
  background: rgba(42,166,255,.14);
  border:1px solid rgba(42,166,255,.22);
  font-size:12px;
}
.tip span{color:var(--muted); font-weight:650}

.form{
  border:1px solid var(--line);
  border-radius: 22px;
  background: rgba(255,255,255,.03);
  padding:16px;
  box-shadow: var(--shadow);
}
.form__row{display:flex; flex-direction:column; gap:6px; margin-bottom:12px}
label{font-weight:850; color:rgba(255,255,255,.86)}
input, select, textarea{
  border:1px solid rgba(255,255,255,.10);
  background: rgba(7,15,34,.55);
  color:var(--text);
  border-radius: 14px;
  padding:12px 12px;
  outline:none;
}
input:focus, select:focus, textarea:focus{border-color: rgba(42,166,255,.45)}
.form__hint{margin:10px 0 0; color:var(--muted); font-size:12.5px}

.contact{
  display:grid;
  grid-template-columns: 1.1fr .9fr;
  gap:14px;
  align-items:center;
}
.contact__grid{
  margin-top:14px;
  display:grid;
  grid-template-columns: repeat(2, 1fr);
  gap:12px;
}
.contact__item{
  border:1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255,255,255,.03);
  padding:14px;
}
.contact__item h3{margin:0 0 6px; font-size:16px}
.contact__item p{margin:0; color:var(--muted)}
.contact__banner{
  border:1px solid var(--line);
  border-radius: 24px;
  overflow:hidden;
  background: rgba(255,255,255,.03);
  box-shadow: var(--shadow);
}
.contact__banner img{width:100%; height:auto; display:block}

.footer{
  border-top: 1px solid var(--line);
  background: rgba(7,15,34,.85);
}
.footer__inner{padding:26px 0}
.footer__brand{
  display:flex; gap:12px; align-items:center;
  margin-bottom:16px;
}
.footer__brand img{width:38px; height:38px; border-radius:12px}
.footer__brand p{margin:3px 0 0; color:var(--muted)}
.footer__cols{
  display:grid;
  grid-template-columns: 1.1fr 1fr 1fr;
  gap:14px;
  padding:14px 0 12px;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.footer__cols h4{margin:0 0 8px}
.footer__cols ul{margin:0; padding-left:18px; color:var(--muted)}
.footer__cols li{margin:6px 0}
.footer__cols a:hover{color:var(--text)}
.footer__copy{margin:14px 0 0; color:var(--muted); font-size:13px}

.toast{
  position:fixed;
  left:50%; bottom:18px;
  transform: translateX(-50%);
  background: rgba(17,26,51,.92);
  border:1px solid rgba(255,255,255,.12);
  color:var(--text);
  padding:10px 12px;
  border-radius: 14px;
  box-shadow: var(--shadow);
  opacity:0;
  pointer-events:none;
  transition: opacity .18s ease;
  max-width: min(560px, 92vw);
}
.toast.show{opacity:1}

/* Responsive */
@media (max-width: 980px){
  .hero__grid{grid-template-columns:1fr; }
  .hero__visual{order:-1}
  .cards{grid-template-columns:1fr 1fr}
  .steps{grid-template-columns:1fr 1fr}
  .pricing{grid-template-columns:1fr}
  .apply{grid-template-columns:1fr}
  .contact{grid-template-columns:1fr}
  .footer__cols{grid-template-columns:1fr}
}
@media (max-width: 840px){
  .nav{display:none}
  .navToggle{display:inline-block}
  .mobileNav.open{display:block}
}
/* hero 로고 클릭 가능 표시 */
.hero__visual a {
  cursor: pointer;
}

.hero__visual a:hover {
  opacity: 0.92;
}