:root{
  --navy:#0D1B3E;--navy2:#162444;--orange:#FF6B2B;--orange2:#FF8C55;
  --blue:#2563EB;--green:#16A34A;--red:#DC2626;--amber:#D97706;
  --gray50:#F8FAFC;--gray100:#F1F5F9;--gray200:#E2E8F0;--gray300:#CBD5E1;
  --gray500:#64748B;--gray700:#334155;--gray900:#0F172A;--white:#FFFFFF;
  --radius:14px;--radius-sm:8px;
  --shadow:0 4px 24px rgba(13,27,62,.10);--shadow-lg:0 8px 40px rgba(13,27,62,.16);
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0;}
html{scroll-behavior:smooth;}
body{font-family:'Noto Sans KR',sans-serif;color:var(--gray900);background:var(--white);overflow-x:hidden;}
a{text-decoration:none;color:inherit;}
img{display:block;width:100%;object-fit:cover;}
button{font-family:inherit;cursor:pointer;border:none;outline:none;}

/* ── STRIP ── */
.strip{background:var(--navy);color:var(--white);text-align:center;padding:9px 16px;font-size:.78rem;font-weight:500;z-index:200;}
.strip span{color:var(--orange2);}

/* ── NAVBAR ── */
.nav{background:var(--white);border-bottom:1.5px solid var(--gray100);position:sticky;top:37px;z-index:199;padding:0 24px;}
.nav-inner{max-width:1200px;margin:0 auto;display:flex;align-items:center;gap:8px;height:58px;}
.nav-logo{font-size:1.13rem;font-weight:900;color:var(--navy);letter-spacing:-.02em;margin-right:16px;white-space:nowrap;}
.nav-logo span{color:var(--orange);}
.nav-links{display:flex;gap:4px;flex:1;}
.nav-links a{padding:7px 13px;border-radius:var(--radius-sm);font-size:.875rem;font-weight:500;color:var(--gray700);transition:background .18s,color .18s;}
.nav-links a:hover{background:var(--gray100);color:var(--navy);}
.nav-btns{display:flex;gap:8px;margin-left:auto;}
.nav-btns a{padding:8px 16px;border-radius:var(--radius-sm);font-size:.85rem;font-weight:600;transition:all .18s;}
.btn-login{background:var(--gray100);color:var(--gray700);}
.btn-login:hover{background:var(--gray200);}
.btn-signup{background:var(--orange);color:var(--white);}
.btn-signup:hover{background:var(--orange2);}
.hamburger{display:none;flex-direction:column;gap:5px;padding:8px;cursor:pointer;}
.hamburger span{display:block;width:22px;height:2px;background:var(--gray700);border-radius:2px;}
.mobile-menu{display:none;position:fixed;inset:0;background:var(--white);z-index:9999;flex-direction:column;padding:24px;}
.mobile-menu.open{display:flex;}
.mobile-menu-close{align-self:flex-end;font-size:1.5rem;background:none;padding:4px 10px;color:var(--gray700);}
.mobile-menu a{padding:14px 8px;font-size:1.05rem;font-weight:600;border-bottom:1px solid var(--gray100);color:var(--gray900);}
.mobile-menu .m-btns{display:flex;flex-direction:column;gap:10px;margin-top:20px;}

/* ══ HERO ══ */
.hero-wrap{
  background:linear-gradient(135deg,var(--navy) 0%,var(--navy2) 100%);
  padding:28px 24px 24px;position:relative;overflow:hidden;
}
.hero-wrap::before{
  content:'';position:absolute;inset:0;
  background:radial-gradient(ellipse 70% 80% at 30% 120%,rgba(255,107,43,.13) 0%,transparent 65%);
  pointer-events:none;
}
.hero-inner{max-width:1200px;margin:0 auto;display:grid;grid-template-columns:1fr 300px;gap:24px;align-items:center;}

/* 왼쪽 텍스트 슬라이더 */
.hero-text-slider{min-height:100px;display:flex;align-items:center;position:relative;margin-bottom:16px;}
.hero-text-slide{position:absolute;inset:0;display:flex;flex-direction:column;justify-content:center;opacity:0;transition:opacity .6s ease;pointer-events:none;}
.hero-text-slide.active{opacity:1;pointer-events:auto;}
.hero-title{font-size:clamp(1.3rem,2.8vw,1.9rem);font-weight:900;color:var(--white);line-height:1.3;word-break:keep-all;margin-bottom:7px;}
.hero-title .hl{color:var(--orange2);}
.hero-sub{font-size:clamp(.75rem,1.3vw,.88rem);color:rgba(255,255,255,.72);line-height:1.6;word-break:keep-all;max-width:460px;}
.hero-progress{display:flex;gap:6px;margin-bottom:16px;}
.hero-progress-bar{width:28px;height:3px;border-radius:2px;background:rgba(255,255,255,.2);overflow:hidden;}
.hero-progress-bar.active .fill{height:100%;background:var(--orange2);animation:fillBar 2s linear forwards;}
@keyframes fillBar{from{width:0}to{width:100%}}
.hero-cta{display:flex;gap:10px;flex-wrap:wrap;}
.cta-main{padding:11px 26px;border-radius:50px;font-size:.88rem;font-weight:700;background:var(--orange);color:var(--white);transition:all .2s;}
.cta-main:hover{background:var(--orange2);transform:translateY(-2px);box-shadow:0 6px 20px rgba(255,107,43,.4);}
.cta-sub{padding:11px 20px;border-radius:50px;font-size:.88rem;font-weight:600;background:rgba(255,255,255,.1);color:var(--white);border:1.5px solid rgba(255,255,255,.3);transition:all .2s;}
.cta-sub:hover{background:rgba(255,255,255,.2);}

/* ══ 이벤트 혜택 카드 ══ */
.hero-event{
  background:rgba(255,255,255,.07);border:1.5px solid rgba(255,255,255,.15);
  border-radius:18px;padding:18px 16px;backdrop-filter:blur(8px);position:relative;overflow:hidden;
  height: 300px;
}
.hero-event::before{
  content:'';position:absolute;top:-30px;right:-30px;width:100px;height:100px;
  background:radial-gradient(circle,rgba(255,107,43,.25) 0%,transparent 70%);
}
.event-top{display:flex;align-items:center;gap:10px;margin-bottom:14px;padding-bottom:12px;border-bottom:1px solid rgba(255,255,255,.12);}
/* 커스텀 브랜드 로고 아이콘 */
.event-brand-icon{
  width:34px;height:34px;border-radius:9px;flex-shrink:0;
  background:linear-gradient(135deg,var(--orange) 0%,var(--orange2) 100%);
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 2px 8px rgba(255,107,43,.35);
}
.event-top-text{}
.event-top-title{font-size:.78rem;font-weight:700;color:var(--orange2);letter-spacing:.04em;margin-bottom:2px;}
.event-top-sub{font-size:.67rem;color:rgba(255,255,255,.5);}
.event-slides{position:relative;min-height:156px; height: 194px;}
.event-slide{position:absolute;inset:0;opacity:0;transform:translateY(8px);transition:opacity .5s ease,transform .5s ease;pointer-events:none;}
.event-slide.active{opacity:1;transform:translateY(0);pointer-events:auto;}
.event-benefit{display:flex;align-items:flex-start;gap:10px;padding:10px 11px;border-radius:10px;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.1);margin-bottom:7px;}
/* 커스텀 SVG 아이콘 컨테이너 */
.ev-icon{width:32px;height:32px;border-radius:8px;display:flex;align-items:center;justify-content:center;flex-shrink:0;}
.ev-icon svg{width:18px;height:18px;}
.event-benefit-text{}
.event-benefit-title{font-size:.76rem;font-weight:700;color:var(--white);margin-bottom:2px;line-height:1.3;}
.event-benefit-desc{font-size:.67rem;color:rgba(255,255,255,.58);line-height:1.45;}
.event-badge{display:inline-block;padding:2px 8px;border-radius:50px;font-size:.61rem;font-weight:700;margin-top:3px;background:rgba(255,107,43,.28);color:var(--orange2);border:1px solid rgba(255,107,43,.38);}
.event-dots{display:flex;gap:5px;justify-content:center;margin-top:10px;}
.event-dot{width:5px;height:5px;border-radius:50%;background:rgba(255,255,255,.25);cursor:pointer;transition:all .2s;}
.event-dot.active{background:var(--orange2);width:14px;border-radius:3px;}
/* STATS */
.stats-strip{background:var(--navy2);border-top:1px solid rgba(255,255,255,.07);padding:14px 24px;}
.stats-inner{max-width:1200px;margin:0 auto;display:grid;grid-template-columns:repeat(4,1fr);gap:8px;text-align:center;}
.stat-item .sv{font-size:1.3rem;font-weight:900;color:var(--orange2);}
.stat-item .sl{font-size:.72rem;color:rgba(255,255,255,.6);margin-top:2px;}

/* ══════════════════════════════
   HOW TO START – 누구나 예시 포함
══════════════════════════════ */
.how-section{padding:88px 24px 80px;background:var(--white);}
.how-inner{max-width:1200px;margin:0 auto;}
.section-label{text-align:center;font-size:.78rem;font-weight:700;color:var(--orange);letter-spacing:.12em;text-transform:uppercase;margin-bottom:12px;}
.section-title{text-align:center;font-size:clamp(1.9rem,4.5vw,3rem);font-weight:900;color:var(--navy);line-height:1.2;margin-bottom:14px;word-break:keep-all;}
.section-sub{text-align:center;font-size:1rem;color:var(--gray500);max-width:480px;margin:0 auto 60px;line-height:1.7;word-break:keep-all;}

.how-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:28px;}

/* 카드 */
.how-card{
  border-radius:22px;overflow:hidden;position:relative;
  box-shadow:var(--shadow-lg);cursor:pointer;
  transition:transform .3s,box-shadow .3s;background:var(--gray900);
}
.how-card:hover{transform:translateY(-7px);box-shadow:0 20px 56px rgba(13,27,62,.24);}
.how-card-img{width:100%;height:340px;object-fit:cover;transition:transform .4s;}
.how-card:hover .how-card-img{transform:scale(1.04);}
.how-card-overlay{position:absolute;inset:0;background:linear-gradient(to top,rgba(8,15,35,.92) 0%,rgba(8,15,35,.3) 50%,transparent 100%);}
.how-card-body{position:absolute;bottom:0;left:0;right:0;padding:30px 28px;}

.how-card-badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 13px;border-radius:50px;
  font-size:.72rem;font-weight:700;margin-bottom:12px;letter-spacing:.03em;
}
.badge-online{background:rgba(37,99,235,.9);color:#fff;}
.badge-live{background:rgba(220,38,38,.9);color:#fff;}
.badge-offline{background:rgba(22,163,74,.9);color:#fff;}
.badge-qna{background:rgba(217,119,6,.9);color:#fff;}

.how-card-title{font-size:1.4rem;font-weight:900;color:var(--white);margin-bottom:8px;line-height:1.25;}
.how-card-desc{font-size:.84rem;color:rgba(255,255,255,.75);line-height:1.65;word-break:keep-all;margin-bottom:16px;}
.how-card-extra{font-size:.74rem;color:rgba(255,255,255,.55);line-height:1.5;word-break:keep-all;margin-bottom:12px;padding:8px 10px;border-radius:8px;background:rgba(255,255,255,.06);border-left:2px solid rgba(255,140,85,.5);}
/* 예시 태그 리스트 */
.how-examples{
  display:flex;flex-wrap:wrap;gap:6px;margin-bottom:16px;
}
.how-ex-tag{
  display:inline-flex;align-items:center;gap:4px;
  padding:4px 11px;border-radius:50px;
  font-size:.72rem;font-weight:600;
  background:rgba(255,255,255,.12);color:rgba(255,255,255,.88);
  border:1px solid rgba(255,255,255,.18);
}

.how-card-link{
  display:inline-flex;align-items:center;gap:6px;
  font-size:.82rem;font-weight:700;color:var(--orange2);
  border:1px solid rgba(255,140,85,.4);padding:7px 16px;border-radius:50px;
  transition:all .2s;
}
.how-card:hover .how-card-link{background:var(--orange);border-color:var(--orange);color:var(--white);}

/* QnA wide */
.how-card.wide{grid-column:span 2;}
.how-card.wide .how-card-img{height:300px;}

/* ══ PROMO SLIDER ══ */
.promo-section{background:var(--gray50);padding:48px 24px;}
.promo-inner{max-width:1200px;margin:0 auto;}
.promo-header{display:flex;justify-content:space-between;align-items:flex-end;margin-bottom:28px;}
.promo-header-left .section-label{text-align:left;margin-bottom:6px;}
.promo-header-left h2{font-size:clamp(1.3rem,2.8vw,1.85rem);font-weight:900;color:var(--navy);line-height:1.25;word-break:keep-all;}
.promo-header-left h2 span{color:var(--orange);}
.promo-viewall{font-size:.84rem;font-weight:600;color:var(--gray500);display:flex;align-items:center;gap:4px;white-space:nowrap;padding:8px 16px;border-radius:50px;border:1.5px solid var(--gray200);transition:all .2s;}
.promo-viewall:hover{border-color:var(--orange);color:var(--orange);}
.promo-slider-wrap{position:relative;}
.promo-track{display:flex;gap:20px;transition:transform .45s cubic-bezier(.4,0,.2,1);will-change:transform;}
.promo-card{flex:0 0 calc((100% - 40px)/3);min-width:0;border-radius:16px;overflow:hidden;background:var(--white);box-shadow:var(--shadow);transition:transform .25s,box-shadow .25s;cursor:pointer;}
.promo-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-lg);}
.promo-thumb{position:relative;height:175px;overflow:hidden;}
.promo-thumb img{width:100%;height:100%;object-fit:inherit;transition:transform .4s;}
.promo-card:hover .promo-thumb img{transform:scale(1.05);}
.promo-vod-badge{position:absolute;top:10px;left:10px;background:var(--navy);color:var(--white);font-size:.68rem;font-weight:700;padding:3px 9px;border-radius:4px;letter-spacing:.06em;}
.promo-card-body{padding:14px 16px 18px;}
.promo-card-title{font-size:.88rem;font-weight:700;color:var(--gray900);margin-bottom:5px;line-height:1.45;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.promo-card-instructor{font-size:.77rem;color:var(--gray500);font-weight:500;}
.promo-card-tag{display:inline-block;margin-top:9px;padding:3px 10px;border-radius:50px;font-size:.71rem;font-weight:600;background:rgba(255,107,43,.1);color:var(--orange);}
.promo-arrow{position:absolute;top:50%;transform:translateY(-50%);width:38px;height:38px;border-radius:50%;background:var(--white);box-shadow:0 2px 12px rgba(0,0,0,.15);display:flex;align-items:center;justify-content:center;cursor:pointer;z-index:10;transition:all .2s;border:1.5px solid var(--gray200);}
.promo-arrow:hover{background:var(--orange);border-color:var(--orange);}
.promo-arrow:hover svg{stroke:var(--white);}
.promo-arrow svg{width:17px;height:17px;stroke:var(--gray700);stroke-width:2.5;fill:none;stroke-linecap:round;stroke-linejoin:round;}
.promo-prev{left:-19px;}.promo-next{right:-19px;}
.promo-dots{display:flex;justify-content:center;gap:6px;margin-top:18px;}
.promo-dot{width:8px;height:8px;border-radius:50%;background:var(--gray300);cursor:pointer;transition:all .2s;}
.promo-dot.active{background:var(--orange);width:22px;border-radius:4px;}

/* ══════════════════════════════
   BENEFITS
══════════════════════════════ */
.benefits-section{padding:80px 24px;background:var(--gray50);}
.benefits-inner{max-width:1200px;margin:0 auto;}
.benefits-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:52px;}
.benefit-card{
  background:var(--white);border-radius:var(--radius);padding:30px 26px;
  box-shadow:var(--shadow);transition:transform .25s,box-shadow .25s;
  border:1.5px solid var(--gray100);
}
.benefit-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-lg);}

/* SVG 아이콘 컨테이너 */
.benefit-icon{
  width:52px;height:52px;border-radius:14px;
  display:flex;align-items:center;justify-content:center;
  margin-bottom:18px;
}
.benefit-icon svg{width:26px;height:26px;}

.benefit-num{font-size:2rem;font-weight:900;color:var(--orange);margin-bottom:5px;line-height:1;}
.benefit-title{font-size:.95rem;font-weight:700;color:var(--navy);margin-bottom:7px;}
.benefit-desc{font-size:.82rem;color:var(--gray500);line-height:1.65;word-break:keep-all;}

/* ══════════════════════════════
   SIMULATOR
══════════════════════════════ */
.sim-section{padding:88px 24px 80px;background:var(--white);}
.sim-inner{max-width:860px;margin:0 auto;}
.sim-box{
  background:var(--gray50);border:2px solid var(--gray200);
  border-radius:22px;padding:40px 36px;margin-top:52px;
}
.sim-tabs{display:flex;gap:8px;margin-bottom:28px;background:var(--gray200);border-radius:50px;padding:4px;}
.sim-tab{
  flex:1;text-align:center;padding:10px 0;border-radius:50px;
  font-size:.84rem;font-weight:700;color:var(--gray500);cursor:pointer;transition:all .2s;
  display:flex;align-items:center;justify-content:center;gap:7px;
}
.sim-tab.active{background:var(--white);color:var(--navy);box-shadow:0 2px 10px rgba(0,0,0,.1);}
.sim-tab svg{width:17px;height:17px;flex-shrink:0;}
.sim-panel{display:none;}
.sim-panel.active{display:block;}
.sim-row{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-bottom:20px;}
.sim-field label{display:block;font-size:.8rem;font-weight:700;color:var(--gray700);margin-bottom:7px;}
.sim-field input[type=range]{width:100%;accent-color:var(--orange);cursor:pointer;}
.sim-field select{width:100%;padding:9px 12px;border:1.5px solid var(--gray300);border-radius:var(--radius-sm);font-family:inherit;font-size:.875rem;color:var(--gray900);background:var(--white);}
.sim-val{font-size:.95rem;font-weight:700;color:var(--orange);margin-top:4px;}
.sim-result{
  background:linear-gradient(135deg,var(--navy) 0%,var(--navy2) 100%);
  border-radius:var(--radius);padding:26px 28px;color:var(--white);
  display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:24px;text-align:center;
}
.sr-item .sr-label{font-size:.75rem;color:rgba(255,255,255,.6);margin-bottom:5px;}
.sr-item .sr-value{font-size:1.3rem;font-weight:900;color:var(--orange2);}
.sim-note{font-size:.75rem;color:var(--gray500);margin-top:12px;text-align:center;line-height:1.6;}

/* ══════════════════════════════
   FINAL CTA
══════════════════════════════ */
.final-cta{padding:88px 24px;background:linear-gradient(135deg,var(--navy) 0%,#1a2d5a 100%);text-align:center;}
.final-cta h2{font-size:clamp(1.7rem,4vw,2.5rem);font-weight:900;color:var(--white);margin-bottom:14px;word-break:keep-all;}
.final-cta p{font-size:1rem;color:rgba(255,255,255,.72);margin-bottom:30px;line-height:1.75;word-break:keep-all;}
.final-btns{display:flex;gap:12px;justify-content:center;flex-wrap:wrap;}
.final-btns a{padding:14px 30px;border-radius:50px;font-size:.95rem;font-weight:700;transition:all .2s;}
.fb-main{background:var(--orange);color:var(--white);}
.fb-main:hover{background:var(--orange2);transform:translateY(-2px);box-shadow:0 6px 24px rgba(255,107,43,.4);}
.fb-sub{background:rgba(255,255,255,.12);color:var(--white);border:1.5px solid rgba(255,255,255,.3);}
.fb-sub:hover{background:rgba(255,255,255,.2);}

/* STICKY MOBILE */
.sticky-cta{display:none;position:fixed;bottom:0;left:0;right:0;background:var(--orange);color:var(--white);text-align:center;padding:15px;font-size:.95rem;font-weight:700;z-index:998;box-shadow:0 -4px 16px rgba(255,107,43,.3);}

/* FOOTER */
.footer{background:var(--gray900);color:rgba(255,255,255,.55);padding:44px 24px 36px;}
.footer-inner{max-width:1200px;margin:0 auto;}
.footer-top{display:flex;justify-content:space-between;align-items:flex-start;gap:24px;flex-wrap:wrap;margin-bottom:28px;padding-bottom:28px;border-bottom:1px solid rgba(255,255,255,.1);}
.footer-logo{font-size:1.1rem;font-weight:900;color:var(--white);}
.footer-logo span{color:var(--orange);}
.footer-links{display:flex;gap:20px;flex-wrap:wrap;}
.footer-links a{font-size:.82rem;color:rgba(255,255,255,.55);transition:color .2s;}
.footer-links a:hover{color:var(--white);}
.footer-info{font-size:.78rem;line-height:1.9;}

/* ── RESPONSIVE ── */
@media(max-width:767px){
  .nav-links,.nav-btns{display:none;}
  .hamburger{display:flex;}
  .hero-inner{grid-template-columns:1fr;gap:16px;}
  .hero-text-slider{min-height:85px;}
  .event-slides{min-height:145px;}
  .stats-inner{grid-template-columns:repeat(2,1fr);}
  .how-grid{grid-template-columns:1fr;}
  .how-card.wide{grid-column:span 1;}
  .how-card-img{height:240px;}
  .how-card.wide .how-card-img{height:220px;}
  .promo-card{flex:0 0 calc((100% - 20px)/2);}
  .promo-prev{left:-10px;}.promo-next{right:-10px;}
  .promo-header{flex-direction:column;align-items:flex-start;gap:10px;}
  .benefits-grid{grid-template-columns:1fr 1fr;}
  .sim-row{grid-template-columns:1fr;}
  .sim-result{grid-template-columns:1fr;gap:10px;}
  .sim-box{padding:24px 18px;}
  .sim-tab{font-size:.72rem;gap:4px;}
  .footer-top{flex-direction:column;gap:16px;}
  .sticky-cta{display:block;}
  body{padding-bottom:56px;}
  .how-card:hover .how-card-img{transform:none;}
  .how-card-img {object-fit: contain;}
  .how-card-overlay {background: none;}
  .how-card-body {position: inherit;}
}
@media(max-width:480px){
  .benefits-grid{grid-template-columns:1fr;}
  .how-card-title{font-size:1.2rem;}
  .section-title{font-size:1.75rem;}
  .benefits-grid{grid-template-columns:1fr;}
  .how-card-img{height:210px;}
  .promo-card{flex:0 0 84%;}
  .hero-title{font-size:1.25rem;}
}
@media(min-width:768px)and(max-width:1023px){
  .hero-inner{grid-template-columns:1fr 260px;}
  .how-grid{grid-template-columns:1fr 1fr;}
  .benefits-grid{grid-template-columns:repeat(2,1fr);}
  .promo-card{flex:0 0 calc((100% - 20px)/2);}
}