:root {
    --poster-navy: #1B2838;
    --poster-red: #CC0000;
    --poster-mustard: #E8A838;
    --poster-cream: #F5E6C8;
    --font-title: 'Oswald', sans-serif;
    --font-body: 'Noto Sans KR', sans-serif;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
html { font-size: 16px; scroll-behavior: smooth; }
body { font-family: var(--font-body); background: var(--poster-cream); color: var(--poster-navy); line-height: 1.6; overflow-x: hidden; }

.site-header { position: fixed; top: 0; left: 0; width: 100%; z-index: 1000; background: rgba(27, 40, 56, 0.98); transition: all 0.3s; }
.site-header.scrolled { box-shadow: 0 4px 20px rgba(0,0,0,0.3); }
.header-inner { max-width: 1200px; margin: 0 auto; padding: 0 2rem; display: flex; align-items: center; justify-content: space-between; height: 70px; }
.logo { display: flex; align-items: center; gap: 0.75rem; text-decoration: none; }
.logo-star { font-size: 1.3rem; color: var(--poster-mustard); }
.logo-text { font-family: var(--font-title); font-size: 1.4rem; color: var(--poster-cream); letter-spacing: 2px; }
.logo-text span { color: var(--poster-mustard); }
.nav-menu { display: flex; gap: 2rem; list-style: none; }
.nav-menu a { font-family: var(--font-title); font-size: 1rem; color: var(--poster-cream); text-decoration: none; letter-spacing: 2px; transition: color 0.3s; }
.nav-menu a:hover { color: var(--poster-mustard); }
.mobile-toggle { display: none; background: none; border: 1px solid var(--poster-mustard); color: var(--poster-mustard); font-size: 1.3rem; cursor: pointer; padding: 0.5rem 0.75rem; }
.mobile-nav { display: none; position: fixed; top: 70px; left: 0; width: 100%; background: rgba(27, 40, 56, 0.98); padding: 1.5rem 2rem; border-bottom: 3px solid var(--poster-mustard); z-index: 999; }
.mobile-nav.active { display: block; }
.mobile-nav a { display: block; font-family: var(--font-title); color: var(--poster-cream); text-decoration: none; padding: 0.75rem 0; font-size: 1.1rem; letter-spacing: 2px; }

.hero-section { min-height: 100vh; display: flex; align-items: center; justify-content: center; padding: 6rem 2rem; position: relative; background: var(--poster-navy); overflow: hidden; }
.rays-bg { position: absolute; top: 50%; left: 50%; width: 200%; height: 200%; transform: translate(-50%, -50%); background: repeating-conic-gradient(rgba(232, 168, 56, 0.08) 0deg 15deg, transparent 15deg 30deg); animation: rotateRays 30s linear infinite; }
@keyframes rotateRays { from { transform: translate(-50%, -50%) rotate(0deg); } to { transform: translate(-50%, -50%) rotate(360deg); } }
.hero-content { position: relative; text-align: center; z-index: 10; }
.poster-frame { position: relative; display: inline-block; padding: 3rem 4rem; border: 4px solid var(--poster-mustard); margin-bottom: 2rem; }
.starburst { position: absolute; top: -20px; right: -20px; width: 60px; height: 60px; background: var(--poster-red); clip-path: polygon(50% 0%, 61% 35%, 98% 35%, 68% 57%, 79% 91%, 50% 70%, 21% 91%, 32% 57%, 2% 35%, 39% 35%); }
.hero-title { font-family: var(--font-title); font-size: clamp(3rem, 8vw, 5rem); color: var(--poster-cream); letter-spacing: 5px; line-height: 1.1; }
.hero-tagline { font-family: var(--font-title); font-size: 1rem; color: var(--poster-mustard); letter-spacing: 5px; margin-top: 0.5rem; }
.hero-subtitle { font-size: 1rem; color: rgba(245, 230, 200, 0.7); margin-bottom: 2rem; }
.btn-ribbon { display: inline-block; padding: 0.8rem 3rem; background: var(--poster-red); color: var(--poster-cream); font-family: var(--font-title); font-size: 1.2rem; text-decoration: none; letter-spacing: 3px; transition: all 0.3s; clip-path: polygon(5% 0%, 95% 0%, 100% 50%, 95% 100%, 5% 100%, 0% 50%); }
.btn-ribbon:hover { background: var(--poster-mustard); color: var(--poster-navy); transform: scale(1.05); }

.features-section { padding: 6rem 2rem; max-width: 1200px; margin: 0 auto; }
.section-title { font-family: var(--font-title); font-size: 2.5rem; color: var(--poster-navy); text-align: center; margin-bottom: 3rem; letter-spacing: 5px; }
.features-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 2rem; }
.feature-poster { position: relative; background: #fff; border: 2px solid var(--poster-navy); padding: 2.5rem 1.5rem; text-align: center; transition: all 0.3s; }
.feature-poster:hover { transform: translateY(-5px); box-shadow: 5px 5px 0 var(--poster-navy); }
.poster-corner { position: absolute; width: 15px; height: 15px; border-color: var(--poster-red); border-style: solid; }
.poster-corner.tl { top: 5px; left: 5px; border-width: 2px 0 0 2px; }
.poster-corner.tr { top: 5px; right: 5px; border-width: 2px 2px 0 0; }
.poster-corner.bl { bottom: 5px; left: 5px; border-width: 0 0 2px 2px; }
.poster-corner.br { bottom: 5px; right: 5px; border-width: 0 2px 2px 0; }
.poster-icon { font-size: 2rem; color: var(--poster-red); margin-bottom: 1rem; display: block; }
.feature-poster h3 { font-family: var(--font-title); font-size: 1.1rem; letter-spacing: 2px; margin-bottom: 0.5rem; }
.feature-poster p { font-size: 0.85rem; color: #666; }

.stats-section { padding: 6rem 2rem; max-width: 1000px; margin: 0 auto; background: var(--poster-navy); margin-left: auto; margin-right: auto; }
.stats-section .section-title { color: var(--poster-cream); }
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 2rem; text-align: center; }
.stat-stamp { padding: 1.5rem; border: 2px solid var(--poster-mustard); }
.stamp-value { display: block; font-family: var(--font-title); font-size: 2.5rem; color: var(--poster-mustard); }
.stamp-label { font-family: var(--font-title); font-size: 0.8rem; color: rgba(245, 230, 200, 0.6); letter-spacing: 2px; }

.site-footer { background: var(--poster-navy); padding: 3rem 2rem; text-align: center; border-top: 4px solid var(--poster-mustard); }
.footer-inner { max-width: 800px; margin: 0 auto; }
.footer-brand { font-family: var(--font-title); font-size: 1.5rem; color: var(--poster-cream); margin-bottom: 0.5rem; letter-spacing: 2px; }
.footer-brand span { color: var(--poster-mustard); }
.footer-desc { font-size: 0.85rem; color: rgba(245, 230, 200, 0.5); margin-bottom: 1.5rem; }
.footer-links { display: flex; justify-content: center; gap: 2rem; margin-bottom: 1.5rem; }
.footer-links a { font-family: var(--font-title); font-size: 0.9rem; color: rgba(245, 230, 200, 0.6); text-decoration: none; letter-spacing: 1px; transition: color 0.3s; }
.footer-links a:hover { color: var(--poster-mustard); }
.footer-copyright { font-size: 0.8rem; color: rgba(245, 230, 200, 0.3); }

@media (max-width: 359px) { html { font-size: 13px; } }
@media (min-width: 360px) and (max-width: 767px) { html { font-size: 14px; } .nav-menu { display: none; } .mobile-toggle { display: block; } .features-grid { grid-template-columns: repeat(2, 1fr); } .stats-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 768px) and (max-width: 1023px) { html { font-size: 15px; } .nav-menu { display: none; } .mobile-toggle { display: block; } .features-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) and (max-width: 1279px) { html { font-size: 15px; } }
@media (min-width: 1280px) and (max-width: 1919px) { html { font-size: 16px; } }
@media (min-width: 1920px) and (max-width: 2559px) { html { font-size: 17px; } }
@media (min-width: 2560px) and (max-width: 3839px) { html { font-size: 19px; } }
@media (min-width: 3840px) { html { font-size: 22px; } }