:root{--text:#6b6375;--text-h:#08060d;--bg:#fff;--border:#e5e4e7;--code-bg:#f4f3ec;--accent:#aa3bff;--accent-bg:#aa3bff1a;--accent-border:#aa3bff80;--social-bg:#f4f3ec80;--shadow:#0000001a 0 10px 15px -3px, #0000000d 0 4px 6px -2px;--sans:system-ui, "Segoe UI", Roboto, sans-serif;--heading:system-ui, "Segoe UI", Roboto, sans-serif;--mono:ui-monospace, Consolas, monospace;--card-bg:#ffffff08;--card-border:#ffffff14;--section-gap:64px;--card-radius:12px;--nav-height:64px;font:18px/145% var(--sans);letter-spacing:.18px;--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light dark;color:var(--text);background:var(--bg);font-synthesis:none;text-rendering:optimizelegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}@media (prefers-color-scheme:dark){:root{--lightningcss-light: ;--lightningcss-dark:initial}}@media (width<=1024px){:root{font-size:16px}}@media (prefers-color-scheme:dark){:root{--text:#9ca3af;--text-h:#f3f4f6;--bg:#16171d;--border:#2e303a;--code-bg:#1f2028;--accent:#c084fc;--accent-bg:#c084fc26;--accent-border:#c084fc80;--social-bg:#2f303a80;--shadow:#0006 0 10px 15px -3px, #00000040 0 4px 6px -2px;--card-bg:#ffffff0a;--card-border:#ffffff1a}#social .button-icon{filter:invert()brightness(2)}}#root{text-align:center;border-inline:1px solid var(--border);box-sizing:border-box;flex-direction:column;width:1126px;max-width:100%;min-height:100svh;margin:0 auto;display:flex}html{scroll-padding-top:calc(var(--nav-height) + 20px)}body{margin:0}h1,h2,h3,h4{font-family:var(--heading);color:var(--text-h);margin:0;font-weight:500}h1{letter-spacing:-1.68px;margin:32px 0;font-size:56px}@media (width<=1024px){h1{margin:20px 0;font-size:36px}}h2{letter-spacing:-.24px;margin:0 0 8px;font-size:24px;line-height:118%}@media (width<=1024px){h2{font-size:20px}}h3{font-size:18px;font-weight:600}p{margin:0;line-height:1.6}code,.counter{font-family:var(--mono);color:var(--text-h);border-radius:4px;display:inline-flex}code{background:var(--code-bg);padding:4px 8px;font-size:15px;line-height:135%}.nav-header{z-index:100;background:var(--bg);border-bottom:1px solid var(--border);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);position:sticky;top:0}.nav-container{max-width:1126px;height:var(--nav-height);justify-content:space-between;align-items:center;margin:0 auto;padding:0 24px;display:flex}.nav-logo{color:var(--text-h);cursor:pointer;font-size:18px;font-weight:600;font-family:var(--heading);background:0 0;border:none;border-radius:8px;padding:8px 12px;transition:background .2s}.nav-logo:hover{background:var(--card-bg)}.nav-links{gap:8px;margin:0;padding:0;list-style:none;display:flex}.nav-link{color:var(--text);cursor:pointer;font-size:15px;font-family:var(--sans);background:0 0;border:none;border-radius:8px;padding:8px 16px;transition:all .2s}.nav-link:hover{color:var(--text-h);background:var(--card-bg)}.nav-link.active{color:var(--accent);background:var(--accent-bg)}.nav-mobile-toggle{cursor:pointer;background:0 0;border:none;flex-direction:column;gap:5px;padding:8px;display:none}.nav-mobile-toggle span{background:var(--text-h);border-radius:1px;width:24px;height:2px;display:block}@media (width<=768px){.nav-links{display:none}.nav-mobile-toggle{display:flex}}.hero-section{text-align:center;padding:80px 0 60px;position:relative;overflow:hidden}.hero-section-small{padding:60px 0 40px}.hero-content{z-index:1;position:relative}.hero-title{letter-spacing:-2px;background:linear-gradient(135deg, var(--text-h) 0%, var(--accent) 100%);-webkit-text-fill-color:transparent;-webkit-background-clip:text;background-clip:text;margin-bottom:16px;font-size:64px;font-weight:700}@media (width<=768px){.hero-title{letter-spacing:-1px;font-size:42px}}.hero-subtitle{color:var(--text);max-width:500px;margin-bottom:32px;margin-left:auto;margin-right:auto;font-size:20px}.hero-cta{color:#fff;background:var(--accent);cursor:pointer;font-size:16px;font-weight:500;font-family:var(--sans);border:none;border-radius:10px;align-items:center;gap:8px;padding:14px 28px;transition:all .2s;display:inline-flex}.hero-cta:hover{transform:translateY(-2px);box-shadow:0 8px 24px #aa3bff4d}.hero-decoration{pointer-events:none;position:absolute;inset:0;overflow:hidden}.hero-orb{background:radial-gradient(circle, var(--accent-bg) 0%, transparent 70%);opacity:.6;border-radius:50%;width:400px;height:400px;position:absolute;top:-100px;right:-100px}.hero-orb-2{background:radial-gradient(circle,#64c8ff1a 0%,#0000 70%);width:300px;height:300px;inset:auto auto -50px -80px}.hero-orb-photo{background:radial-gradient(circle,#ffb46426 0%,#0000 70%)}.section{padding:var(--section-gap) 0;border-top:1px solid var(--border);scroll-margin-top:calc(var(--nav-height) + 20px)}.section-header{text-align:left;margin-bottom:32px}.section-title{margin-bottom:8px;font-size:28px;font-weight:600}.section-date{color:var(--text);opacity:.7;font-size:14px}.section-desc{color:var(--text);opacity:.8;margin-top:8px;font-size:16px}.card-grid{gap:24px;display:grid}.card-grid-2{grid-template-columns:repeat(2,1fr)}.card-grid-3{grid-template-columns:repeat(3,1fr)}.card-grid-4{grid-template-columns:repeat(4,1fr)}.card-grid-5{grid-template-columns:repeat(5,1fr)}@media (width<=1024px){.card-grid-3,.card-grid-4,.card-grid-5{grid-template-columns:repeat(2,1fr)}}@media (width<=640px){.card-grid-2,.card-grid-3,.card-grid-4,.card-grid-5{grid-template-columns:1fr}}.card{background:var(--card-bg);border:1px solid var(--card-border);border-radius:var(--card-radius);text-align:left;padding:24px;transition:all .2s}.card:hover{border-color:var(--accent-border);transform:translateY(-2px)}.card-summary{color:var(--text);margin-bottom:12px;font-size:15px;line-height:1.6}.card-meta{color:var(--text);opacity:.6;font-size:13px}.card-badge{text-transform:uppercase;letter-spacing:.5px;border-radius:6px;margin-bottom:12px;padding:4px 10px;font-size:11px;font-weight:600;display:inline-block}.card-badge-ai{color:#64c8ff;background:#64c8ff26}.card-badge-model{color:#96ff96;background:#96ff9626}.card-badge-tool{color:#ffc864;background:#ffc86426}.card-badge-industry{color:#ff9696;background:#ff969626}.card-impact{color:var(--accent);background:var(--accent-bg);border-radius:4px;padding:4px 8px;font-size:12px;display:inline-block}.card-highlight{flex-direction:column;display:flex}.card-wide{grid-column:span 1}.card-image{object-fit:cover;width:100%;height:180px;display:block}.card-image-overlay{background:linear-gradient(#0000,#000000b3);padding:10px 16px;position:absolute;bottom:0;left:0;right:0}.card-location{color:#fff;opacity:.9;font-size:12px}.card-content{padding:16px}.card-title{color:var(--text-h);margin-bottom:8px;font-size:18px;font-weight:600}.card-desc{color:var(--text);margin-bottom:12px;font-size:14px;line-height:1.6}.card-meta{color:var(--text);opacity:.7;margin-bottom:12px;font-size:13px}.card-highlight{flex-wrap:wrap;gap:4px;display:inline-flex}.card-highlight span{background:var(--accent-bg);color:var(--accent);border-radius:4px;padding:3px 8px;font-size:11px}.card-price{color:var(--text-h);font-weight:600}.card-actions{flex-wrap:wrap;gap:8px;display:flex}.card-btn{color:#fff;background:var(--accent);border-radius:6px;align-items:center;gap:6px;padding:6px 12px;font-size:12px;font-weight:500;text-decoration:none;transition:all .2s;display:inline-flex}.card-btn:hover{opacity:.9;transform:translateY(-1px)}.card-btn-secondary{border:1px solid var(--border);color:var(--text);background:#ffffff1a}.card-btn-secondary:hover{background:#ffffff26}.busan-page .card{padding:0;overflow:hidden}.busan-page .card-image{border-radius:var(--card-radius) var(--card-radius) 0 0}.info-grid{grid-template-columns:repeat(3,1fr);gap:24px;display:grid}@media (width<=768px){.info-grid{grid-template-columns:1fr}}.info-card{background:var(--card-bg);border:1px solid var(--card-border);border-radius:var(--card-radius);text-align:left;padding:20px}.info-card h3{color:var(--text-h);margin-bottom:8px;font-size:16px;font-weight:600}.info-card p{color:var(--text);font-size:14px;line-height:1.6}.reading-item{background:var(--card-bg);border:1px solid var(--card-border);border-radius:var(--card-radius);text-align:left;align-items:flex-start;gap:16px;padding:20px;transition:all .2s;display:flex}.reading-item:hover{border-color:var(--accent-border)}.reading-icon{flex-shrink:0;font-size:24px}.reading-content{flex:1}.reading-title{color:var(--text-h);margin-bottom:6px;font-size:16px;font-weight:600}.reading-desc{color:var(--text);font-size:14px;line-height:1.5}.section-archive{text-align:center}.archive-placeholder{background:var(--card-bg);border:2px dashed var(--border);border-radius:var(--card-radius);padding:60px 40px}.archive-title{margin-bottom:12px;font-size:24px}.archive-text{color:var(--text);margin-bottom:8px;font-size:16px}.archive-note{color:var(--accent);font-size:14px}.photo-term{color:var(--accent);text-transform:uppercase;letter-spacing:1px;margin-bottom:8px;font-size:12px;display:block}.photo-tip{color:var(--text);background:#0003;border-radius:8px;margin-top:12px;padding:12px;font-size:13px;line-height:1.5}.photo-diagram{justify-content:center;align-items:center;height:100px;margin-bottom:16px;display:flex}.aperture-diagram{width:80px;height:80px;position:relative}.aperture-ring{border:3px solid var(--text-h);border-radius:50%;position:absolute;inset:0}.aperture-blades{justify-content:center;align-items:center;display:flex;position:absolute;inset:8px}.aperture-blades span{background:var(--text-h);transform-origin:50%;width:2px;height:28px;position:absolute}.aperture-blades span:first-child{transform:rotate(0)}.aperture-blades span:nth-child(2){transform:rotate(60deg)}.aperture-blades span:nth-child(3){transform:rotate(120deg)}.aperture-blades span:nth-child(4){transform:rotate(180deg)}.aperture-blades span:nth-child(5){transform:rotate(240deg)}.aperture-blades span:nth-child(6){transform:rotate(300deg)}.shutter-diagram{border:3px solid var(--text-h);border-radius:4px;width:80px;height:80px;position:relative;overflow:hidden}.shutter-blade{background:var(--text-h);opacity:.3;height:50%;position:absolute;top:0;left:0;right:0}.iso-diagram{width:80px;height:80px}.iso-grid{grid-template-columns:repeat(3,1fr);gap:6px;width:100%;height:100%;display:grid}.iso-grid span{background:var(--text-h);opacity:.15;border-radius:2px}.iso-grid span:first-child,.iso-grid span:nth-child(5),.iso-grid span:nth-child(9){opacity:.6}.compo-visual{background:#0003;border-radius:8px;justify-content:center;align-items:center;height:100px;margin-bottom:16px;display:flex;position:relative}.rule-of-thirds{border:1px solid var(--text-h);width:120px;height:80px}.grid-lines{border:1px solid var(--text-h);position:absolute;inset:0}.grid-lines:before,.grid-lines:after{content:"";background:var(--text-h);position:absolute}.grid-lines:before{border-left:1px solid;border-right:1px solid;inset:0 33.33%}.grid-lines:after{border-top:1px solid;border-bottom:1px solid;inset:33.33% 0}.intersection-points .point{background:var(--accent);border-radius:50%;width:8px;height:8px;position:absolute}.intersection-points .point:first-child{top:33.33%;left:33.33%;transform:translate(-50%,-50%)}.intersection-points .point:nth-child(2){top:33.33%;right:33.33%;transform:translate(50%,-50%)}.intersection-points .point:nth-child(3){bottom:33.33%;left:33.33%;transform:translate(-50%,50%)}.intersection-points .point:nth-child(4){bottom:33.33%;right:33.33%;transform:translate(50%,50%)}.leading-lines .lines-group{gap:20px;display:flex}.leading-lines .line{background:var(--text-h);transform-origin:bottom;width:3px;height:60px}.leading-lines .line-1{opacity:.5;transform:rotate(-15deg)}.leading-lines .line-2{opacity:.8;height:70px}.leading-lines .line-3{opacity:.5;transform:rotate(15deg)}.framing{width:100px;height:70px}.frame-outer{border:3px solid var(--text-h);border-radius:4px;position:absolute;inset:0}.frame-inner{border:2px solid var(--accent);border-radius:2px;position:absolute;inset:12px}.negative-space{width:100%;height:100%;position:relative}.subject-mini{background:var(--text-h);border-radius:50%;width:20px;height:20px;position:absolute;top:50%;left:30%;transform:translate(-50%,-50%)}.lighting-visual{border-radius:50%;width:60px;height:60px;margin-bottom:12px}.soft-light{background:radial-gradient(circle, var(--text-h) 0%, transparent 70%);opacity:.4;box-shadow:0 0 30px var(--text-h)}.hard-light{background:var(--text-h);opacity:.7;box-shadow:0 0 10px var(--text-h)}.backlight{border:3px solid var(--text-h);background:0 0;position:relative}.backlight:after{content:"";background:radial-gradient(circle, var(--accent) 0%, transparent 70%);opacity:.5;border-radius:50%;position:absolute;inset:-3px}.golden-hour{opacity:.7;background:linear-gradient(135deg,orange 0%,#ff6b00 50%,#ff4500 100%)}.indoor-light{opacity:.5;background:linear-gradient(135deg,#fffacd 0%,#ffe4b5 50%,gold 100%)}.section-checklist{background:var(--card-bg);padding:var(--section-gap) 24px;border-radius:var(--card-radius);margin:0 -24px}.checklist-grid{grid-template-columns:repeat(3,1fr);gap:32px;display:grid}@media (width<=768px){.checklist-grid{grid-template-columns:1fr}}.checklist-title{color:var(--accent);margin-bottom:16px;font-size:18px}.checklist{flex-direction:column;gap:12px;margin:0;padding:0;list-style:none;display:flex}.checklist li{color:var(--text-h);align-items:center;gap:12px;font-size:15px;display:flex}.check-box{border:2px solid var(--border);border-radius:4px;flex-shrink:0;width:18px;height:18px}.card-scenario{text-align:center}.scenario-icon{margin-bottom:12px;font-size:40px}.scenario-tips{text-align:left;margin:0;padding:0;font-size:14px;list-style:none}.scenario-tips li{color:var(--text);padding:6px 0 6px 16px;position:relative}.scenario-tips li:before{content:"•";color:var(--accent);position:absolute;left:0}.footer{border-top:1px solid var(--border);margin-top:auto;padding:40px 24px}.footer-container{text-align:center;max-width:1126px;margin:0 auto}.footer-text{color:var(--text-h);margin-bottom:4px;font-size:15px}.footer-subtext{color:var(--text);opacity:.6;font-size:13px}.main-content{flex:1;padding-bottom:40px}.card-photo .card-title{margin-top:0}.card-compo .compo-visual{margin-bottom:16px}.card-lighting{text-align:center}.card-lighting .lighting-visual{margin:0 auto 12px}.card-lighting .photo-tip{text-align:left}.hero-orb-busan{background:radial-gradient(circle,#64b4ff26 0%,#0000 70%)}.busan-grid{grid-template-columns:repeat(2,1fr);gap:24px;display:grid}@media (width<=768px){.busan-grid{grid-template-columns:1fr}}.busan-card{background:var(--card-bg);border:1px solid var(--card-border);border-radius:var(--card-radius);text-align:left;transition:all .2s;overflow:hidden}.busan-card:hover{border-color:var(--accent-border);transform:translateY(-2px)}.busan-card-image{width:100%;height:200px;overflow:hidden}.busan-card-image img{object-fit:cover;width:100%;height:100%;transition:transform .3s}.busan-card:hover .busan-card-image img{transform:scale(1.05)}.busan-card-content{padding:20px}.busan-card-header{margin-bottom:12px}.busan-card-title{color:var(--text-h);margin-bottom:4px;font-size:20px;font-weight:600}.busan-card-subtitle{color:var(--accent);font-size:13px}.busan-card-desc{color:var(--text);margin-bottom:12px;font-size:14px;line-height:1.6}.busan-card-highlight{flex-wrap:wrap;gap:6px;margin-bottom:16px;display:flex}.busan-tag{background:var(--accent-bg);color:var(--accent);border-radius:4px;padding:3px 8px;font-size:11px}.busan-card-price{background:#0003;border-radius:6px;align-items:center;gap:8px;margin-bottom:16px;padding:8px 12px;display:flex}.price-label{color:var(--text);opacity:.7;font-size:12px}.price-value{color:var(--text-h);font-size:14px;font-weight:600}.busan-card-actions{flex-wrap:wrap;gap:8px;display:flex}.map-btn{border-radius:8px;align-items:center;gap:6px;padding:8px 14px;font-size:13px;font-weight:500;text-decoration:none;transition:all .2s;display:inline-flex}.map-btn-google{color:#4285f4;background:#4285f426;border:1px solid #4285f44d}.map-btn-google:hover{background:#4285f440}.map-btn-naver{color:#1ec832;background:#1ec83226;border:1px solid #1ec8324d}.map-btn-naver:hover{background:#1ec83240}.map-btn svg{width:14px;height:14px}.busan-grid-food{grid-template-columns:repeat(3,1fr)}@media (width<=1024px){.busan-grid-food{grid-template-columns:repeat(2,1fr)}}@media (width<=640px){.busan-grid-food{grid-template-columns:1fr}}.busan-card-food .busan-card-image{height:160px}.tips-grid{grid-template-columns:repeat(4,1fr);gap:20px;display:grid}@media (width<=1024px){.tips-grid{grid-template-columns:repeat(2,1fr)}}@media (width<=640px){.tips-grid{grid-template-columns:1fr}}.tip-card{background:var(--card-bg);border:1px solid var(--card-border);border-radius:var(--card-radius);text-align:left;padding:20px}.tip-card h3{color:var(--text-h);margin-bottom:8px;font-size:15px;font-weight:600}.tip-card p{color:var(--text);font-size:13px;line-height:1.6}.hn-grid{grid-template-columns:repeat(2,1fr);gap:16px;display:grid}@media (width<=768px){.hn-grid{grid-template-columns:1fr}}.hn-card{background:var(--card-bg);border:1px solid var(--card-border);border-radius:var(--card-radius);padding:20px;text-decoration:none;transition:all .2s;display:block}.hn-card:hover{border-color:var(--accent-border);background:#ffffff0f;transform:translateY(-2px)}.hn-card-demo{opacity:.8;border-style:dashed}.hn-card-demo:hover{opacity:1}.hn-card-demo .hn-source{color:var(--text);opacity:.6}.hn-card-demo .hn-time{font-style:italic}.hn-card-header{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:8px;margin-bottom:10px;display:flex}.hn-source{color:var(--accent);font-size:12px;font-weight:500}.hn-time{color:var(--text);opacity:.6;font-size:11px}.hn-score{color:#f60;font-size:12px;font-weight:600}.hn-card-title{color:var(--text-h);margin-bottom:12px;font-size:16px;font-weight:600;line-height:1.4}.hn-link-hint{color:var(--accent);font-size:12px}.hn-card:hover .hn-card-title{color:var(--accent)}.hn-card-footer{color:var(--text);opacity:.7;gap:12px;font-size:12px;display:flex}.hn-card-footer span{white-space:nowrap}.hn-loading{grid-template-columns:repeat(2,1fr);gap:16px;display:grid}.hn-skeleton{background:var(--card-bg);border:1px solid var(--card-border);border-radius:var(--card-radius);padding:20px}.skeleton-line{background:linear-gradient(90deg, var(--card-bg) 25%, #ffffff1a 50%, var(--card-bg) 75%);background-size:200% 100%;border-radius:4px;animation:1.5s infinite shimmer}.skeleton-title{width:80%;height:20px;margin-bottom:12px}.skeleton-text{width:60%;height:14px}@keyframes shimmer{0%{background-position:-200% 0}to{background-position:200% 0}}.hn-error{text-align:center;color:var(--text);padding:40px}.hn-error p{margin-bottom:8px;font-size:16px}.hn-error small{opacity:.6}.hn-empty{text-align:center;color:var(--text);opacity:.7;padding:40px}.app{flex-direction:column;min-height:100svh;display:flex}.main-content{box-sizing:border-box;flex:1;width:1126px;max-width:100%;margin:0 auto;padding:0 24px}