:root{
  --bg:#08111f;
  --panel:#101d31;
  --panel-2:#14243b;
  --line:#2a4161;
  --text:#f7f9fc;
  --muted:#c0ccdc;
  --soft:#93a8c4;
  --accent:#5d72ff;
  --accent-2:#3bb8e8;
  --good:#55d89f;
  --warn:#f1c55b;
  --radius:20px;
  --shadow:0 18px 50px rgba(0,0,0,.22);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  color:var(--text);
  background:
    radial-gradient(circle at 12% -10%,rgba(74,101,210,.25),transparent 33%),
    radial-gradient(circle at 88% 6%,rgba(35,157,202,.15),transparent 26%),
    var(--bg);
  font-family:Pretendard,"Noto Sans KR","Malgun Gothic","Segoe UI",Arial,sans-serif;
  font-size:18px;
  line-height:1.72;
  word-break:keep-all;
}
a{color:inherit;text-decoration:none}
button,input{font:inherit}
button{cursor:pointer}
.wrap{width:min(1080px,calc(100% - 36px));margin:0 auto}
.skip{position:absolute;left:-9999px;top:0;background:#fff;color:#000;padding:10px 14px;z-index:1000}.skip:focus{left:12px;top:12px}
.site-header{position:sticky;top:0;z-index:30;background:rgba(8,17,31,.92);backdrop-filter:blur(12px);border-bottom:1px solid rgba(117,149,188,.19)}
.nav{min-height:74px;display:flex;align-items:center;gap:22px}
.brand{font-size:26px;font-weight:900;letter-spacing:.055em;white-space:nowrap}.brand b{color:#8aa0ff}
.navlinks{margin-left:auto;display:flex;gap:8px;align-items:center;flex-wrap:wrap;justify-content:flex-end}
.navlinks a{min-height:46px;padding:9px 14px;border-radius:11px;color:#d5dfed;font-size:16px;font-weight:700;display:inline-flex;align-items:center;justify-content:center}
.navlinks a:hover,.navlinks a:focus-visible{background:#15253d;color:#fff;outline:none}
.hero{padding:78px 0 44px}
.hero.compact{padding:54px 0 28px}
.eyebrow{display:inline-flex;align-items:center;gap:9px;padding:8px 13px;border-radius:999px;background:#0d1b2e;border:1px solid #2c4668;color:#cfdbeb;font-size:15px;font-weight:700}
.eyebrow::before{content:"";width:9px;height:9px;border-radius:50%;background:var(--good);box-shadow:0 0 14px rgba(85,216,159,.65)}
h1{font-size:clamp(40px,7vw,68px);line-height:1.13;letter-spacing:-.035em;margin:20px 0 18px}
.hero.compact h1{font-size:clamp(34px,5.5vw,52px)}
.lead{margin:0;max-width:800px;color:#cfdaea;font-size:clamp(19px,2.4vw,23px);line-height:1.72}
.actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.btn{min-height:54px;padding:12px 20px;border-radius:13px;border:1px solid transparent;display:inline-flex;align-items:center;justify-content:center;gap:8px;font-weight:850;font-size:18px;transition:background .16s ease,border-color .16s ease,color .16s ease,box-shadow .16s ease,transform .16s ease}
.btn.primary{background:linear-gradient(135deg,#5666f5,#6e5cff);box-shadow:0 12px 28px rgba(86,102,245,.24)}
.btn.secondary{background:#111f35;border-color:#345071;color:#ecf3fc}
.btn:focus-visible{outline:3px solid rgba(129,151,255,.48);outline-offset:3px}
@media(hover:hover){.btn:hover{transform:translateY(-2px)}.btn.primary:hover{background:linear-gradient(135deg,#424fd0,#5545d8);box-shadow:0 16px 32px rgba(67,75,211,.38)}.btn.secondary:hover{background:#192d49;border-color:#54749d;color:#fff;box-shadow:0 12px 25px rgba(0,0,0,.2)}}
.btn:active{transform:translateY(0) scale(.98);transition-duration:.06s}
.section{padding:40px 0 56px}
.section.alt{background:rgba(8,18,32,.48);border-top:1px solid rgba(99,128,164,.12);border-bottom:1px solid rgba(99,128,164,.12)}
.section-title{margin:0 0 8px;font-size:31px;letter-spacing:-.02em}.section-desc{margin:0 0 26px;color:var(--muted);font-size:18px}
.task-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}
.task-card{display:flex;flex-direction:column;min-height:250px;padding:26px;border:1px solid var(--line);border-radius:var(--radius);background:linear-gradient(155deg,rgba(21,39,65,.97),rgba(13,27,47,.97));box-shadow:var(--shadow)}
.task-card .num{width:42px;height:42px;border-radius:13px;display:grid;place-items:center;background:#1d3150;color:#cbd9ff;font-weight:900;font-size:17px;border:1px solid #365377}
.task-card h2,.task-card h3{margin:16px 0 8px;font-size:25px;letter-spacing:-.02em}.task-card p{margin:0;color:#bdcbdd;font-size:17px}
.task-card .btn{margin-top:auto;align-self:flex-start}
.task-card.live{border-color:#35577b}.task-card.live .num{background:#20396a;color:#fff}
.status{display:inline-flex;align-items:center;gap:7px;font-size:14px;font-weight:800;color:#9fb3ce;margin-top:11px}.status .light{width:9px;height:9px;border-radius:50%;background:var(--good)}.status.pending .light{background:var(--warn)}
.simple-panel{padding:28px;border:1px solid var(--line);border-radius:var(--radius);background:#0f1d31;box-shadow:var(--shadow)}
.simple-panel h2,.simple-panel h3{margin:0 0 10px}.simple-panel p{margin:0;color:var(--muted)}
.points{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:18px}.point{padding:19px;border-radius:15px;background:#0c192b;border:1px solid #233a58}.point b{display:block;margin-bottom:5px;font-size:18px}.point span{color:#afbed2;font-size:16px}
.page-bar{display:flex;align-items:center;gap:12px;margin:0 0 24px;flex-wrap:wrap}.page-bar .home-link{margin-left:auto;min-height:46px;padding:8px 13px;border-radius:10px;background:#13223a;border:1px solid #2d4667;font-weight:750;font-size:16px}
.steps{display:grid;gap:12px;margin:22px 0}.step{display:flex;align-items:center;gap:14px;padding:18px;border-radius:15px;background:#0d1a2c;border:1px solid #233b5a}.step-num{flex:0 0 38px;width:38px;height:38px;border-radius:12px;display:grid;place-items:center;background:#253b61;font-weight:900}.step b{font-size:18px}.step span{display:block;color:#afbed2;font-size:16px;margin-top:2px}
.category-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin:22px 0 28px}.category-btn{min-height:92px;padding:16px;border-radius:15px;border:1px solid #2b4668;background:#102039;color:#edf3fb;text-align:left}.category-btn strong{display:block;font-size:19px;margin-bottom:4px}.category-btn span{display:block;color:#aebed2;font-size:15px;line-height:1.45}.category-btn.active{background:#253f82;border-color:#6d83ff;box-shadow:0 0 0 2px rgba(109,131,255,.12)}
.search-row{display:flex;gap:10px;margin:14px 0 20px}.search{width:100%;min-height:54px;border-radius:13px;border:1px solid #315071;background:#0b1728;color:#fff;padding:0 16px;font-size:18px;outline:none}.search:focus{border-color:#7890ff;box-shadow:0 0 0 3px rgba(120,144,255,.16)}
.list{display:grid;gap:14px}.tool-row{padding:21px;border:1px solid var(--line);border-radius:17px;background:#0f1d31}.tool-top{display:flex;gap:16px;align-items:flex-start}.tool-copy{flex:1}.tool-row h3{font-size:22px;margin:0 0 6px}.tool-row p{margin:0;color:#bac8da;font-size:16px}.tool-actions{display:flex;gap:8px;flex-wrap:wrap}.small-btn{min-height:48px;padding:9px 14px;border-radius:11px;border:1px solid #355274;background:#142640;color:#f2f6fb;font-weight:800}.small-btn.primary{background:#5667f2;border-color:#6677ff}.prompt-box{display:none;margin-top:16px;padding:18px;border-radius:13px;background:#071221;border:1px solid #213a5c;color:#d6e0ee;white-space:pre-wrap;font-family:inherit;font-size:16px;line-height:1.7}.tool-row.open .prompt-box{display:block}
.notice{padding:17px 19px;border-radius:14px;border:1px solid #2d4b6e;background:#0d1c31;color:#c6d4e6;margin:18px 0 24px}.notice strong{color:#fff}
.download-panel{margin-top:26px}.download-panel .badge{margin-bottom:12px}.download-panel h2{margin-bottom:7px}.download-panel .actions{margin-top:22px}.download-help{margin-top:14px!important;color:#95a9c4!important;font-size:15px}
.gallery-cats{display:flex;gap:10px;flex-wrap:wrap;margin:20px 0 24px}.gallery-cats button{min-height:48px;padding:9px 16px;border-radius:12px;border:1px solid #2e4b6d;background:#102039;color:#dce6f4;font-weight:800}.gallery-cats button.active{background:#28427f;border-color:#7186ff}
.gallery-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}.gallery-card{overflow:hidden;border:1px solid var(--line);border-radius:18px;background:#0f1d31}.gallery-visual{aspect-ratio:16/10;display:flex;align-items:flex-end;padding:22px;background:linear-gradient(145deg,#24385f,#101c31 48%,#182a4a);position:relative}.gallery-visual::before{content:"";position:absolute;width:170px;height:170px;border-radius:50%;background:rgba(91,113,255,.38);filter:blur(6px);top:-35px;right:-20px}.gallery-visual::after{content:"";position:absolute;width:140px;height:140px;border-radius:28px;background:rgba(42,182,222,.25);transform:rotate(18deg);left:28px;bottom:-55px}.gallery-visual span{position:relative;z-index:2;font-size:22px;font-weight:900}.gallery-body{padding:20px}.gallery-body h3{margin:0 0 6px;font-size:22px}.gallery-body p{margin:0 0 15px;color:#bac8da;font-size:16px}.meta{display:flex;gap:8px;flex-wrap:wrap}.tag{padding:6px 9px;border-radius:8px;border:1px solid #2c4667;background:#0b1728;color:#aebed2;font-size:14px}
.footer{border-top:1px solid rgba(99,128,164,.18);padding:28px 0 36px;color:#98abc4;font-size:15px}.footer-inner{display:flex;justify-content:space-between;gap:18px;flex-wrap:wrap}
.toast{position:fixed;left:50%;bottom:24px;transform:translate(-50%,20px);padding:12px 16px;border-radius:12px;background:#183052;border:1px solid #46658c;color:#fff;opacity:0;pointer-events:none;transition:.18s;z-index:100}.toast.show{opacity:1;transform:translate(-50%,0)}
@media(max-width:820px){body{font-size:17px}.task-grid,.gallery-grid{grid-template-columns:1fr}.points{grid-template-columns:1fr}.category-grid{grid-template-columns:repeat(2,1fr)}.navlinks a:nth-child(3),.navlinks a:nth-child(4){display:none}.hero{padding-top:58px}.tool-top{display:block}.tool-actions{margin-top:15px}.small-btn{width:100%}}
@media(max-width:560px){.wrap{width:min(100% - 24px,1080px)}.nav{min-height:68px}.brand{font-size:23px}.navlinks a{font-size:15px;padding:8px 10px}.hero{padding:46px 0 28px}.hero.compact{padding:38px 0 22px}.lead{font-size:18px}.section{padding:30px 0 42px}.task-card{padding:21px;min-height:230px}.task-card h2,.task-card h3{font-size:23px}.btn{width:100%;font-size:17px}.category-grid{grid-template-columns:1fr}.category-btn{min-height:78px}.search{font-size:17px}.gallery-visual span{font-size:20px}.footer-inner{display:block}.footer-inner span{display:block;margin:5px 0}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}

/* v0.3.0 — tools + learning + YouTube hub */
.hero-home{padding:72px 0 54px}.hero-grid{display:grid;grid-template-columns:minmax(0,1.2fr) minmax(360px,.8fr);gap:42px;align-items:center}.hero-choice{padding:20px;border:1px solid #2b4567;border-radius:22px;background:linear-gradient(160deg,#11213a,#0c192d);box-shadow:var(--shadow)}.hero-choice h2{margin:0 0 12px;font-size:21px}.hero-choice a{display:grid;grid-template-columns:44px 1fr;gap:2px 13px;align-items:center;padding:14px 12px;border-radius:14px;border:1px solid transparent}.hero-choice a:hover{background:#152944;border-color:#315174}.hero-choice a span{grid-row:1/3;width:44px;height:44px;display:grid;place-items:center;border-radius:13px;background:#1b3152;font-size:23px}.hero-choice a b{font-size:17px}.hero-choice a em{font-style:normal;color:#9db0ca;font-size:14px}
.section-head{display:flex;align-items:end;justify-content:space-between;gap:28px;margin-bottom:24px}.section-head .section-desc{max-width:470px;text-align:right;margin:0}.kicker{display:block;color:#8fa6ff;font-size:14px;font-weight:900;letter-spacing:.04em;margin-bottom:5px}.service-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}.service-card{min-height:330px;padding:24px;border:1px solid #2b4566;border-radius:20px;background:linear-gradient(155deg,#10213a,#0c192d);display:flex;flex-direction:column;box-shadow:0 14px 34px rgba(0,0,0,.17)}.service-card.featured{border-color:#4c66a5;background:linear-gradient(155deg,#15294b,#0e1d34)}.service-icon{width:54px;height:54px;border-radius:16px;background:#1e365d;display:grid;place-items:center;font-size:29px;margin-bottom:18px}.service-card h3{font-size:24px;margin:9px 0 8px}.service-card p{font-size:16px;color:#b8c7da;margin:0}.service-card .btn{margin-top:auto}.badge{display:inline-flex;width:max-content;padding:5px 9px;border-radius:999px;border:1px solid #385676;background:#102139;color:#b9c9de;font-size:13px;font-weight:900}.badge.live{border-color:#347b67;color:#9be6c8;background:#0e2925}
.learn-home{background:linear-gradient(180deg,rgba(12,26,47,.2),rgba(14,30,51,.55));border-top:1px solid rgba(99,128,164,.12);border-bottom:1px solid rgba(99,128,164,.12)}.learn-choice-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}.learn-choice{display:grid;grid-template-columns:78px 1fr;gap:20px;padding:27px;border:1px solid #2b4567;border-radius:21px;background:#0f1e33;transition:.15s}.learn-choice:hover{transform:translateY(-2px);border-color:#5977a8;background:#132641}.learn-icon{width:78px;height:78px;border-radius:22px;display:grid;place-items:center;font-size:39px;background:#183154}.learn-choice.phone .learn-icon{background:linear-gradient(145deg,#254868,#173454)}.learn-choice.pc .learn-icon{background:linear-gradient(145deg,#31406f,#1d2c52)}.learn-choice small{font-size:14px;font-weight:900;color:#9fb4d2}.learn-choice h3{font-size:25px;margin:4px 0 7px}.learn-choice p{font-size:16px;color:#b9c8da;margin:0 0 10px}.learn-choice span{font-size:16px;font-weight:900;color:#aebdff}
.video-section{padding-top:46px}.video-head{align-items:center}.text-link{font-size:16px;font-weight:900;color:#b9c7ff;cursor:pointer}.text-link.disabled{opacity:.55;cursor:default}.video-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:17px}.video-card{border:1px solid #294462;border-radius:19px;overflow:hidden;background:#0f1d31;box-shadow:0 12px 32px rgba(0,0,0,.15)}.video-thumb{height:170px;padding:17px;display:flex;align-items:flex-end;justify-content:space-between;background:radial-gradient(circle at 75% 20%,rgba(98,122,255,.32),transparent 32%),linear-gradient(145deg,#1f385f,#101d33 58%,#12233d);background-size:cover;background-position:center}.video-thumb.has-image .video-icon{opacity:0}.video-icon{font-size:40px}.video-label{padding:6px 9px;border-radius:999px;background:rgba(7,17,31,.82);border:1px solid rgba(185,207,235,.26);font-size:13px;font-weight:900}.video-body{padding:19px}.video-body h3{margin:0 0 8px;font-size:20px;line-height:1.42}.video-body p{margin:0 0 16px;color:#afbed2;font-size:15px;line-height:1.65}.video-action{min-height:45px;padding:9px 13px;border-radius:11px;border:1px solid #3b5d88;background:#162b49;display:inline-flex;align-items:center;justify-content:center;font-size:15px;font-weight:900}.video-action.disabled{opacity:.58;cursor:default}.empty-state{grid-column:1/-1;padding:28px;border:1px dashed #35506e;border-radius:16px;color:#9db0c8;text-align:center}.topic-chips{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:22px}.topic-chips span{padding:8px 12px;border-radius:999px;background:#10213a;border:1px solid #2d496b;color:#c5d3e4;font-size:15px;font-weight:800}.mini-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.mini-panel{display:grid;grid-template-columns:50px 1fr auto;gap:14px;align-items:center;padding:20px;border:1px solid #29435f;border-radius:17px;background:#0d1b2e}.mini-panel>span{font-size:28px}.mini-panel h3{margin:0 0 3px;font-size:20px}.mini-panel p{margin:0;color:#aebdd0;font-size:15px}.mini-panel>b{color:#b9c7ff;font-size:15px}
@media(max-width:900px){.hero-grid{grid-template-columns:1fr}.hero-choice{max-width:720px}.service-grid{grid-template-columns:1fr}.video-grid{grid-template-columns:1fr 1fr}.section-head{display:block}.section-head .section-desc{text-align:left;margin-top:8px}.learn-choice-grid{grid-template-columns:1fr}}
@media(max-width:620px){.video-grid{grid-template-columns:1fr}.learn-choice{grid-template-columns:58px 1fr;padding:20px}.learn-icon{width:58px;height:58px;border-radius:17px;font-size:30px}.learn-choice h3{font-size:22px}.hero-choice{padding:14px}.mini-grid{grid-template-columns:1fr}.mini-panel{grid-template-columns:42px 1fr}.mini-panel>b{grid-column:2}.service-card{min-height:300px}.navlinks a:nth-child(3),.navlinks a:nth-child(4){display:none}}

/* v0.3.1 — contact / consultation hub */
.contact-section{padding-bottom:72px}.contact-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.contact-card{min-height:450px;padding:26px;border:1px solid #2b4566;border-radius:22px;background:linear-gradient(155deg,#10213a,#0c192d);display:flex;flex-direction:column;box-shadow:0 14px 34px rgba(0,0,0,.17)}.contact-card.featured-contact{border-color:#4f6ea8;background:linear-gradient(155deg,#152a4b,#0e1d34)}.contact-icon{width:60px;height:60px;border-radius:18px;background:#1d365b;display:grid;place-items:center;font-size:31px;margin-bottom:17px}.contact-card h2{margin:12px 0 8px;font-size:25px;line-height:1.35}.contact-card p{margin:0 0 16px;color:#bdcadd;font-size:16px}.contact-points{margin:0 0 24px;padding-left:20px;color:#aebed2;font-size:15px}.contact-points li{margin:6px 0}.contact-card .contact-action{margin-top:auto}.contact-action.disabled{opacity:.55;cursor:default;pointer-events:none}.contact-note{margin-top:20px;padding:18px 20px;border:1px solid #2d4968;border-radius:15px;background:#0d1b2e;color:#aebdd0}.contact-note strong{display:block;color:#e9f0fa;margin-bottom:4px}.contact-home{background:linear-gradient(180deg,rgba(13,28,49,.56),rgba(8,17,31,.15));border-top:1px solid rgba(99,128,164,.12)}.contact-home-grid{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:28px;align-items:center;padding:28px;border:1px solid #2b4567;border-radius:21px;background:#0f1e33}.contact-home h2{margin:4px 0 8px;font-size:28px}.contact-home p{margin:0;color:#b8c7da;font-size:17px;max-width:700px}.contact-home-actions{display:flex;align-items:center}.quick-contact{margin-top:10px;color:#9fb3cc;font-size:15px}.navlinks a.contact-nav{color:#e5ebff}
@media(max-width:900px){.contact-grid{grid-template-columns:1fr}.contact-card{min-height:unset}.contact-home-grid{grid-template-columns:1fr}.contact-home-actions .btn{width:auto}}
@media(max-width:620px){.contact-home-actions .btn{width:100%}.contact-card{padding:22px}.contact-section{padding-bottom:48px}}
@media(max-width:820px){.navlinks a.contact-nav{display:inline-flex}}