@import "https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Pretendard:wght@300;400;500;600;700&display=swap";.modal-overlay{-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);z-index:9999;background-color:#0f172a66;justify-content:center;align-items:center;display:flex;position:fixed;inset:0}.modal-content{background:#fff;border-radius:12px;width:90%;max-width:500px;animation:.3s ease-out modalIn;overflow:hidden;box-shadow:0 20px 25px -5px #0000001a,0 10px 10px -5px #0000000a}@keyframes modalIn{0%{opacity:0;transform:translateY(20px)scale(.95)}to{opacity:1;transform:translateY(0)scale(1)}}.modal-header{border-bottom:1px solid #e2e8f0;justify-content:space-between;align-items:center;padding:1.5rem 1.5rem 1rem;display:flex}.modal-header h2{color:#0f172a;margin:0;font-size:1.25rem;font-weight:700}.close-btn{color:#94a3b8;cursor:pointer;background:0 0;border:none;font-size:1.5rem;line-height:1;transition:color .2s}.close-btn:hover{color:#0f172a}.modal-body{max-height:70vh;padding:1.5rem;overflow-y:auto}.modal-footer{background-color:#f8fafc;border-top:1px solid #e2e8f0;justify-content:flex-end;gap:.75rem;padding:1rem 1.5rem;display:flex}.btn-cancel{color:#475569;cursor:pointer;background-color:#fff;border:1px solid #cbd5e1;border-radius:6px;padding:.6rem 1.25rem;font-weight:500;transition:all .2s}.btn-cancel:hover{background-color:#f1f5f9}.btn-submit{background-color:var(--primary-accent);color:#fff;cursor:pointer;border:none;border-radius:6px;padding:.6rem 1.25rem;font-weight:500;transition:all .2s}.btn-submit:hover{opacity:.9}:root{--bg-color:#fff;--bg-secondary:#f9fafb;--text-main:#0f172a;--text-muted:#64748b;--border-light:#e2e8f0;--primary-accent:#0f172a;--warm-accent:#f97316;--radius-sm:8px;--radius-md:16px;--radius-lg:24px;--transition-smooth:.4s cubic-bezier(.16, 1, .3, 1);--shadow-subtle:0 4px 20px -2px #0000000d;--shadow-hover:0 12px 30px -4px #00000014}*{box-sizing:border-box;margin:0;padding:0}body{background-color:var(--bg-color);color:var(--text-main);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;font-family:Pretendard,Inter,-apple-system,sans-serif;line-height:1.6}.nav-header{z-index:100;-webkit-backdrop-filter:blur(16px);width:100%;transition:all var(--transition-smooth);background:#ffffffd9;border-bottom:1px solid #e2e8f080;justify-content:space-between;align-items:center;padding:1.25rem 5%;display:flex;position:fixed;top:0}.line-clamp-1{-webkit-line-clamp:1;line-clamp:1;-webkit-box-orient:vertical;display:-webkit-box;overflow:hidden}.line-clamp-2{-webkit-line-clamp:2;line-clamp:2;-webkit-box-orient:vertical;display:-webkit-box;overflow:hidden}.line-clamp-3{-webkit-line-clamp:3;line-clamp:3;-webkit-box-orient:vertical;display:-webkit-box;overflow:hidden}.nav-container{justify-content:space-between;align-items:center;width:100%;max-width:1440px;margin:0 auto;display:flex}.logo{letter-spacing:-.02em;color:var(--primary-accent);align-items:center;font-size:1.4rem;font-weight:700;display:flex}.logo-on{color:var(--warm-accent);margin-left:1px;position:relative}.logo-on:after{content:"";background-color:var(--warm-accent);border-radius:50%;width:5px;height:5px;position:absolute;top:0;right:-8px}.nav-links{align-items:center;gap:2.5rem;display:flex}.nav-links a{color:var(--text-muted);transition:color var(--transition-smooth);font-size:.95rem;font-weight:500;text-decoration:none}.nav-links a:hover{color:var(--primary-accent)}.hamburger-btn{cursor:pointer;z-index:1001;background:0 0;border:none;flex-direction:column;justify-content:space-between;width:24px;height:18px;padding:0;display:none}.hamburger-btn span{background-color:var(--primary-accent);width:100%;height:2px;transition:all var(--transition-smooth);border-radius:4px}.hamburger-btn.open span:first-child{transform:translateY(8px)rotate(45deg)}.hamburger-btn.open span:nth-child(2){opacity:0}.hamburger-btn.open span:nth-child(3){transform:translateY(-8px)rotate(-45deg)}.mobile-menu{-webkit-backdrop-filter:blur(20px);z-index:1000;opacity:0;visibility:hidden;width:100%;height:100vh;transition:all var(--transition-smooth);background:#fffffffa;justify-content:center;align-items:center;display:flex;position:fixed;top:0;left:0}.mobile-menu.active{opacity:1;visibility:visible}.mobile-nav-links{text-align:center;flex-direction:column;gap:2rem;display:flex}.mobile-nav-links a{color:var(--text-main);letter-spacing:-.02em;opacity:0;font-size:2rem;font-weight:700;text-decoration:none;transition:all .5s cubic-bezier(.16,1,.3,1);transform:translateY(20px)}.mobile-menu.active .mobile-nav-links a{opacity:1;transform:translateY(0)}.mobile-nav-links a:first-child{transition-delay:.1s}.mobile-nav-links a:nth-child(2){transition-delay:.2s}.mobile-nav-links a:nth-child(3){transition-delay:.3s}.mobile-nav-links a:nth-child(4){transition-delay:.4s}.hero{text-align:center;background:radial-gradient(circle at 50% 0,#fef3c7 0%,#0000 50%),radial-gradient(circle at 0%,#f1f5f9 0%,#0000 50%);flex-direction:column;justify-content:center;align-items:center;min-height:100vh;padding:0 5%;display:flex;position:relative}.hero-pill{border:1px solid var(--border-light);color:var(--warm-accent);background:#fff;border-radius:30px;align-items:center;gap:8px;margin-bottom:2rem;padding:8px 16px;font-size:.85rem;font-weight:600;display:flex;box-shadow:0 2px 10px #00000005}.hero-pill:before{content:"";background-color:var(--warm-accent);border-radius:50%;width:6px;height:6px;animation:2s infinite pulse;display:block}.hero-title{letter-spacing:-.03em;max-width:900px;margin-bottom:1.5rem;font-size:clamp(3rem,5vw,4.5rem);font-weight:700;line-height:1.15}.hero-subtitle{color:var(--text-muted);max-width:600px;margin-bottom:3rem;font-size:1.15rem;font-weight:400}.cta-button{background-color:var(--primary-accent);color:#fff;border-radius:var(--radius-sm);cursor:pointer;transition:all var(--transition-smooth);border:none;padding:1rem 2.5rem;font-size:1rem;font-weight:500}.cta-button:hover{background-color:#000;transform:translateY(-2px);box-shadow:0 10px 25px -5px #0f172a4d}.features{background-color:var(--bg-secondary);padding:8rem 5%}.section-head{text-align:center;max-width:700px;margin-bottom:5rem;margin-left:auto;margin-right:auto}.section-title{letter-spacing:-.02em;margin-bottom:1.25rem;font-size:2.25rem;font-weight:700}.section-subtitle{color:var(--text-muted);font-size:1.1rem}.feature-grid{grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:1.5rem;max-width:1440px;margin:0 auto;display:grid}.feature-card{border-radius:var(--radius-md);border:1px solid var(--border-light);transition:all var(--transition-smooth);box-shadow:var(--shadow-subtle);background:#fff;flex-direction:column;padding:3rem 2rem;display:flex}.feature-card:hover{box-shadow:var(--shadow-hover);border-color:#f9731633;transform:translateY(-5px)}.feature-icon-wrapper{border-radius:var(--radius-sm);background:var(--bg-secondary);width:48px;height:48px;color:var(--primary-accent);transition:all var(--transition-smooth);justify-content:center;align-items:center;margin-bottom:2rem;display:flex}.feature-card:hover .feature-icon-wrapper{background:var(--warm-accent);color:#fff}.feature-en-title{color:var(--text-muted);text-transform:uppercase;letter-spacing:.1em;margin-bottom:.75rem;font-size:.8rem;font-weight:600}.feature-title{color:var(--text-main);letter-spacing:-.01em;margin-bottom:1rem;font-size:1.25rem;font-weight:600}.feature-desc{color:var(--text-muted);font-size:.95rem;line-height:1.7}.footer{border-top:1px solid var(--border-light);background-color:#fff;padding:4rem 5% 2rem}.footer-content{text-align:center;flex-direction:column;align-items:center;max-width:1440px;margin:0 auto;display:flex}.footer-logo{letter-spacing:-.02em;color:var(--text-main);margin-bottom:1rem;font-size:1.5rem;font-weight:700}.footer-logo-on{color:var(--warm-accent)}.footer-text{color:var(--text-muted);max-width:400px;margin-bottom:3rem;font-size:.9rem}.footer-bottom{border-top:1px solid var(--border-light);color:#94a3b8;justify-content:space-between;align-items:center;width:100%;padding-top:2rem;font-size:.8rem;display:flex}@keyframes pulse{0%{opacity:1;transform:scale(1)}50%{opacity:.5;transform:scale(1.5)}to{opacity:1;transform:scale(1)}}main{min-height:calc(100vh - 300px)}.active-link{color:var(--primary-accent)!important;font-weight:700!important}.nav-header.scrolled{box-shadow:0 4px 20px #00000008}.page-container{max-width:1440px;margin:0 auto;padding:8rem 5% 5rem}.page-header{text-align:center;margin-bottom:4rem}.page-title{letter-spacing:-.02em;margin-bottom:1rem;font-size:2.5rem;font-weight:700}.page-subtitle{color:var(--text-muted);font-size:1.1rem}.filter-chips{flex-wrap:wrap;justify-content:center;gap:1rem;margin-bottom:3rem;display:flex}.filter-chip{border:1px solid var(--border-light);color:var(--text-muted);cursor:pointer;transition:all var(--transition-smooth);background:#fff;border-radius:30px;padding:.5rem 1.25rem;font-size:.95rem;font-weight:500}.filter-chip:hover{border-color:var(--primary-accent);color:var(--primary-accent)}.filter-chip.active{background:var(--primary-accent);color:#fff;border-color:var(--primary-accent)}.grid-list{grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:2rem;display:grid}.course-card{border:1px solid var(--border-light);border-radius:var(--radius-md);transition:all var(--transition-smooth);cursor:pointer;background:#fff;overflow:hidden}.course-card:hover{box-shadow:var(--shadow-hover);transform:translateY(-4px)}.course-img-placeholder{background:var(--bg-secondary);border-bottom:1px solid var(--border-light);align-items:flex-end;height:180px;padding:1rem;display:flex;position:relative}.course-category-badge{color:var(--text-main);background:#fff;border-radius:20px;padding:4px 12px;font-size:.75rem;font-weight:600;box-shadow:0 2px 5px #0000000d}.course-info{padding:1.5rem}.course-title{margin-bottom:.5rem;font-size:1.15rem;font-weight:600;line-height:1.4}.course-instructor{color:var(--text-muted);margin-bottom:1rem;font-size:.9rem}.course-meta{border-top:1px solid var(--border-light);justify-content:space-between;align-items:center;padding-top:1rem;font-size:.9rem;display:flex}.course-price{color:var(--primary-accent);font-weight:700}.course-students{color:var(--text-muted)}.mentor-grid{grid-template-columns:repeat(4,1fr);gap:2rem;margin-bottom:4rem;display:grid}@media (width<=1199px){.mentor-grid{grid-template-columns:repeat(2,1fr)}}@media (width<=639px){.mentor-grid{grid-template-columns:1fr}}.mentor-card{border-radius:var(--radius-md);border:1px solid var(--border-light);box-shadow:var(--shadow-subtle);transition:all var(--transition-smooth);background:#fff;padding:2rem}.mentor-card:hover{box-shadow:var(--shadow-hover);border-color:#f9731633;transform:translateY(-5px)}.mentor-header{align-items:center;gap:1rem;margin-bottom:1.5rem;display:flex}.mentor-avatar{background:linear-gradient(135deg,#fef3c7,#ffedd5);border:2px solid #fff;border-radius:50%;width:64px;height:64px;box-shadow:0 4px 10px #0000000d}.mentor-role{color:var(--warm-accent);margin-bottom:.25rem;font-size:.8rem;font-weight:600}.mentor-name{font-size:1.25rem;font-weight:700}.mentor-desc{color:var(--text-muted);margin-bottom:1.5rem;font-size:.95rem;line-height:1.6}.mentor-tags{flex-wrap:wrap;gap:.5rem;margin-bottom:1.5rem;display:flex}.mentor-tag{background:var(--bg-secondary);color:var(--text-muted);border-radius:4px;padding:4px 10px;font-size:.8rem}.mentor-button{border-radius:var(--radius-sm);background:var(--primary-accent);color:#fff;cursor:pointer;border:none;width:100%;padding:.8rem;font-weight:500;transition:all .2s}.mentor-button:hover{background:var(--warm-accent)}.mentoring-cta{text-align:center;background:var(--bg-secondary);border-radius:var(--radius-lg);padding:4rem 2rem}.mentoring-cta h2{margin-bottom:.5rem;font-size:1.75rem}.cta-button-outline{border:1px solid var(--primary-accent);color:var(--primary-accent);border-radius:var(--radius-sm);cursor:pointer;background:0 0;margin-top:1.5rem;padding:.8rem 2rem;font-weight:600;transition:all .2s}.cta-button-outline:hover{background:var(--primary-accent);color:#fff}.board-toolbar{justify-content:space-between;margin-bottom:1.5rem;display:flex}.board-search{gap:.5rem;display:flex}.search-input{border:1px solid var(--border-light);border-radius:var(--radius-sm);outline:none;width:250px;padding:.5rem 1rem}.search-input:focus{border-color:var(--primary-accent)}.search-button{background:var(--bg-secondary);border:1px solid var(--border-light);border-radius:var(--radius-sm);cursor:pointer;padding:0 1rem}.board-list{border-top:2px solid var(--primary-accent);border-bottom:1px solid var(--border-light)}.board-header{border-bottom:1px solid var(--border-light);color:var(--text-main);text-align:center;background:var(--bg-secondary);padding:1rem 0;font-weight:600;display:flex}.board-row{border-bottom:1px solid var(--border-light);text-align:center;color:var(--text-muted);align-items:center;padding:1.25rem 0;display:flex}.board-row:hover{background:#fdfdfd}.board-row.notice{background:#f8fafc}.col-type,.col-author,.col-date,.col-views{flex-basis:10%}.col-title{text-align:left;color:var(--text-main);flex-basis:60%;padding:0 1rem;font-weight:500}.col-date{flex-basis:12%}.post-badge{color:#475569;background:#e2e8f0;border-radius:4px;padding:2px 8px;font-size:.75rem}.badge-notice{color:var(--warm-accent);background:#fef3c7;font-weight:600}.hover-accent:hover{color:var(--primary-accent);text-decoration:underline}.cursor-pointer{cursor:pointer}.pagination{justify-content:center;gap:.5rem;margin-top:3rem;display:flex}.page-btn{border:1px solid var(--border-light);cursor:pointer;width:36px;height:36px;color:var(--text-muted);background:#fff;border-radius:4px;font-weight:500}.page-btn:hover{border-color:var(--primary-accent)}.page-btn.active{background:var(--primary-accent);color:#fff;border-color:var(--primary-accent)}.schedule-wrapper{grid-template-columns:1.2fr 1fr;align-items:flex-start;gap:2rem;display:grid}@media (width<=1024px){.schedule-wrapper{grid-template-columns:1fr;gap:2.5rem}}@media (width<=768px){.hero-title{letter-spacing:-.04em;font-size:2.8rem}.nav-header{padding:1rem 5%!important}.nav-links{display:none!important}.hamburger-btn{display:flex}.feature-grid{gap:1rem}.footer-bottom{flex-direction:column;gap:1rem}.mentor-grid{gap:1.5rem;grid-template-columns:1fr!important}.col-author,.col-views{display:none}.col-type{flex-basis:15%}.col-title{flex-basis:65%}.col-date{flex-basis:20%;font-size:.85rem}.board-toolbar{flex-direction:column-reverse;gap:1rem}.search-input{width:100%}}