:root{--color-primary:#1b3ad4;--color-accent:#5036ff;--color-secondary:#0f172a;--color-muted:#4c556c;--color-light:#f7f9ff;--color-border:#dfe6ff;--container-width:1200px}*{box-sizing:border-box}body,html{margin:0;padding:0}body{font-family:var(--font-noto-sans),"Noto Sans KR",sans-serif;background:var(--color-light);color:var(--color-secondary);line-height:1.6}a{color:inherit;text-decoration:none}img{max-width:100%;display:block}.container{width:min(100% - 3rem,var(--container-width));margin:0 auto}.site-header{background:hsla(0,0%,100%,.96);border-bottom:1px solid rgba(15,23,42,.08);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px)}.header-inner{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));align-items:center;grid-gap:1rem;gap:1rem;padding:1.25rem 0}.brand{font-weight:900;font-size:1.35rem}.brand-note{margin:.25rem 0 0;font-size:.85rem;color:var(--color-muted)}.main-nav{display:flex;justify-content:center;gap:1rem;font-weight:500}.main-nav a{padding:.45rem .75rem;border-radius:999px;transition:background .2s ease,color .2s ease;white-space:nowrap}.main-nav a.active{color:var(--color-primary);background:rgba(27,58,212,.08)}.main-nav a.active:after{content:"";display:block;height:3px;width:100%;border-radius:999px;background:var(--color-primary);margin-top:.35rem}.main-nav a:hover{background:rgba(27,58,212,.12);color:var(--color-primary)}.header-actions{display:flex;gap:.5rem;justify-content:flex-end}.icon-button{width:38px;height:38px;border-radius:12px;border:1px solid rgba(15,23,42,.12);background:#fff;display:inline-flex;align-items:center;justify-content:center;color:var(--color-secondary);cursor:pointer;transition:border-color .2s ease,background .2s ease}.icon-button:focus-visible,.icon-button:hover{border-color:var(--color-primary);background:rgba(27,58,212,.08)}.icon-pill{width:38px;height:38px;border-radius:12px;justify-content:center;background:#fff;border:1px solid rgba(15,23,42,.12);font-size:1.1rem}.icon-pill,.language-selector{display:inline-flex;align-items:center}.language-selector{position:relative}.language-button{padding:0}.language-menu{position:absolute;right:0;top:calc(100% + .5rem);background:#fff;border:1px solid rgba(15,23,42,.12);border-radius:12px;box-shadow:0 12px 25px rgba(15,23,42,.15);min-width:160px;z-index:20}.language-menu-item{width:100%;text-align:left;padding:.65rem 1rem;border:none;background:transparent;font-weight:600;cursor:pointer;color:var(--color-secondary)}.language-menu-item:focus-visible,.language-menu-item:hover{background:rgba(27,58,212,.08)}.user-chip{gap:.35rem;padding:.25rem .9rem;border-radius:999px;background:#fff;border:1px solid rgba(15,23,42,.12);color:var(--color-secondary);gap:.4rem}.button,.user-chip{display:inline-flex;align-items:center;font-weight:600;font-size:.95rem}.button{justify-content:center;gap:.45rem;padding:.65rem 1.5rem;border-radius:999px;border:none;cursor:pointer;transition:transform .2s ease,box-shadow .2s ease,background .2s ease}.button.primary{background:var(--color-primary);color:#fff;box-shadow:0 18px 30px rgba(27,58,212,.25)}.button.primary:hover{transform:translateY(-2px)}.button.secondary{background:#fff;color:var(--color-secondary);border:1px solid rgba(15,23,42,.1)}.button.ghost{background:transparent;border:1px solid rgba(15,23,42,.3);color:var(--color-secondary)}.hero{background:linear-gradient(180deg,#fff,rgba(114,147,255,.2));padding:clamp(3.5rem,6vw,6rem) 0 clamp(4rem,5vw,5rem)}.hero-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));grid-gap:2.5rem;gap:2.5rem;align-items:center}.hero-eyebrow{text-transform:uppercase;letter-spacing:.3em;font-weight:700;font-size:.8rem;color:var(--color-primary);margin:0 0 1rem}.hero h1{font-size:clamp(2.5rem,4vw,3.5rem);line-height:1.2;margin:0 0 1rem}.hero-lead{color:var(--color-muted);font-size:1.1rem;margin-bottom:1.5rem}.hero-actions{gap:.75rem}.hero-actions,.hero-meta{display:flex;flex-wrap:wrap}.hero-meta{margin-top:1.75rem;gap:1.5rem}.hero-meta span{font-size:1.3rem;font-weight:700;color:var(--color-primary);display:block}.hero-meta p{margin:.15rem 0 0;color:var(--color-muted)}.hero-visual{position:relative;gap:1.25rem}.hero-illustration,.hero-visual{display:flex;flex-direction:column;align-items:center}.hero-illustration{width:100%;background:#fff;border-radius:36px;border:1px solid rgba(15,23,42,.08);padding:2rem;box-shadow:0 20px 35px rgba(15,23,42,.1);gap:1rem}.hero-illustration img,.hero-mask{width:100%;max-width:360px;height:auto}.chat-bubble{background:linear-gradient(135deg,#1b3ad4,#6b5ce7);color:#fff;padding:.75rem 1.25rem;border-radius:18px;font-weight:600;box-shadow:0 12px 20px rgba(27,58,212,.3)}.hero-highlight{text-align:center;background:#fff;border-radius:30px;padding:1.25rem 1.5rem;border:1px solid rgba(15,23,42,.08);box-shadow:0 12px 24px rgba(15,23,42,.08)}.hero-highlight strong{display:block;margin-top:.5rem;font-size:1rem}.section-testimonial{padding:2rem 0}.testimonial-inner{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));grid-gap:1rem;gap:1rem;align-items:center}.testimonial-card{background:#fff;border-radius:24px;padding:1.75rem;box-shadow:0 12px 30px rgba(15,23,42,.1);font-weight:600;font-size:1.1rem}.testimonial-card span{display:block;margin-top:.75rem;font-size:.9rem;color:var(--color-muted);font-weight:400}.rating-pill{background:linear-gradient(135deg,rgba(27,58,212,.08),rgba(108,92,231,.08));border-radius:20px;padding:1.1rem 1.5rem;text-align:center}.rating-pill span{font-size:1.6rem;font-weight:700;color:var(--color-primary)}.rating-pill p{margin:.4rem 0 0;color:var(--color-muted)}.section-gallery{padding:clamp(3rem,6vw,4.5rem) 0}.section-subtitle{text-transform:uppercase;letter-spacing:.25em;font-size:.75rem;color:var(--color-muted);margin:0 0 .5rem}.section-gallery h2{font-size:clamp(1.8rem,3vw,2.4rem);margin:0 0 1.5rem}.gallery-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));grid-gap:1rem;gap:1rem}.gallery-card{border-radius:28px;height:220px;background-position:50%;background-size:cover;box-shadow:0 16px 30px rgba(15,23,42,.12)}.section-partners{padding:2.5rem 0;background:#fff}.partner-carousel{overflow:hidden;margin-top:1.25rem;position:relative;padding:1px 0 0}.partner-track{display:flex;align-items:center;gap:1rem;animation:scrollPartners 32s linear infinite}.partner-logo{min-width:150px;padding:.85rem 1.25rem;border-radius:60px;border:1px solid rgba(27,58,212,.18);background:#fff;color:var(--color-primary);font-weight:600;text-align:center;flex-shrink:0;box-shadow:0 12px 25px rgba(15,23,42,.08)}@keyframes scrollPartners{0%{transform:translateX(0)}to{transform:translateX(-50%)}}@media (max-width:820px){.partner-logo{min-width:110px;font-size:.85rem}}.partner-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(130px,1fr));grid-gap:.75rem;gap:.75rem;text-align:center;font-weight:600;color:var(--color-muted)}.partner-grid span{padding:.85rem 1rem;border-radius:18px;background:var(--color-light);border:1px solid rgba(15,23,42,.08)}.section-detail{padding:clamp(3rem,6vw,4.5rem) 0}.section-detail h2{margin:0 0 .75rem;font-size:clamp(2rem,3.3vw,2.6rem)}.section-description{margin:0 0 1.5rem;color:var(--color-muted)}.detail-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));grid-gap:1.5rem;gap:1.5rem}.detail-card{background:#fff;border-radius:24px;padding:1.75rem;border:1px solid rgba(15,23,42,.08);box-shadow:0 12px 28px rgba(15,23,42,.1)}.detail-icon{width:42px;height:42px;border-radius:50%;background:linear-gradient(135deg,rgba(27,58,212,.2),rgba(27,58,212,.05));margin-bottom:.75rem}.detail-card h3{margin:0 0 .75rem;font-size:1.2rem}.detail-card ul{list-style:none;padding:0;margin:0;color:var(--color-muted)}.detail-card li{padding:.35rem 0;border-bottom:1px dashed rgba(15,23,42,.1)}.detail-card li:last-child{border-bottom:none}.section-instructor{padding:clamp(3rem,6vw,4.5rem) 0}.instructor-inner{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));grid-gap:2rem;gap:2rem;align-items:center;background:#fff;border-radius:32px;padding:clamp(1.5rem,4vw,2.5rem);box-shadow:0 18px 40px rgba(15,23,42,.08)}.instructor-photo{border-radius:28px;overflow:hidden;background:linear-gradient(135deg,rgba(27,58,212,.15),hsla(0,0%,100%,.5));padding:2rem;text-align:center}.instructor-photo img{border-radius:20px;width:100%;height:auto}.instructor-name{margin-top:1rem;font-weight:700;color:var(--color-secondary)}.section-metrics{padding:clamp(3rem,6vw,4.5rem) 0;background:var(--color-light)}.metric-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));grid-gap:1rem;gap:1rem}.metric-card{background:#fff;border-radius:24px;padding:1.5rem;text-align:center;border:1px solid rgba(15,23,42,.08);box-shadow:0 10px 25px rgba(15,23,42,.08)}.metric-value{font-size:2rem;font-weight:700;margin:0;color:var(--color-primary)}.metric-label{margin:.35rem 0 0;color:var(--color-muted)}.section-articles{padding:clamp(3rem,6vw,4.5rem) 0}.article-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));grid-gap:1.5rem;gap:1.5rem}.article-card{background:#fff;border-radius:24px;border:1px solid rgba(15,23,42,.08);overflow:hidden;display:flex;flex-direction:column;box-shadow:0 14px 30px rgba(15,23,42,.08)}.article-thumb{padding-top:55%;background-position:50%;background-size:cover}.article-content{padding:1.5rem;display:flex;flex-direction:column;flex:1 1;gap:.5rem}.article-content h3{margin:0;font-size:1.1rem}.article-content p{margin:0;color:var(--color-muted);flex:1 1}.article-content a{font-weight:600;color:var(--color-primary)}.section-cta{padding:clamp(3rem,6vw,4.5rem) 0;background:linear-gradient(180deg,rgba(27,58,212,.08),rgba(80,54,255,.08))}.cta-inner{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));grid-gap:1.5rem;gap:1.5rem;align-items:center;justify-content:space-between}.cta-inner h2{margin:.25rem 0;font-size:clamp(2rem,3vw,2.6rem)}.cta-inner p{margin:0;color:var(--color-muted)}.cta-actions{display:flex;gap:.75rem;flex-wrap:wrap}.site-footer{padding:2rem 0;background:#0b1122;color:#f8fafc;text-align:center}.site-footer p{margin:0;font-size:.9rem;letter-spacing:.03em}@media (max-width:900px){.cta-actions,.header-actions,.hero-meta{justify-content:center}}@media (max-width:600px){.main-nav{flex-wrap:wrap}.hero-actions{flex-direction:column}}