/* --- Global Variables & Reset --- */
:root {
    --bg-dark-charcoal: #1A1A1A;
    --bg-light-charcoal: #2C2C2C;
    --text-light-gray: #F5F5F5;
    --mirsix-blue: #0082C8;
    --electric-blue: #1E90FF;
    --font-primary: 'Pretendard', sans-serif;
    --font-serif: 'Playfair+Display', serif;
}
html { scroll-behavior: smooth; }
* { margin: 0; padding: 0; box-sizing: border-box; }
body { background-color: var(--bg-dark-charcoal); color: var(--text-light-gray); font-family: var(--font-primary); overflow-x: hidden; }
.container { width: 90%; max-width: 1100px; margin: 0 auto; }
section { padding: 100px 0; }
section[id] { scroll-margin-top: 80px; }
img { max-width: 100%; height: auto; display: block; }

/* --- Header & Navigation --- */
.header { position: fixed; width: 100%; top: 0; left: 0; z-index: 100; background-color: rgba(26, 26, 26, 0.8); backdrop-filter: blur(10px); }
.header nav { display: flex; justify-content: space-between; align-items: center; height: 80px; }
.header .logo img { height: 40px; }
.nav-right { display: flex; align-items: center; gap: 30px; }
.nav-menu { list-style: none; display: flex; gap: 30px; }
.nav-menu a { color: var(--text-light-gray); text-decoration: none; font-weight: 500; transition: color 0.3s; }
.nav-menu a:hover { color: var(--electric-blue); }
.language-switcher { display: flex; background: rgba(0,0,0,0.3); border-radius: 5px; padding: 5px; }
.lang-btn { background: none; border: none; color: #ccc; cursor: pointer; padding: 5px 10px; font-size: 14px; font-weight: 500; transition: all 0.3s; }
.lang-btn.active, .lang-btn:hover { color: #fff; background-color: var(--electric-blue); border-radius: 3px; }

/* --- Reusable Components --- */
.btn { display: inline-block; background-color: var(--electric-blue); color: var(--text-light-gray); padding: 12px 25px; text-decoration: none; font-weight: 700; border-radius: 5px; border: 1px solid var(--electric-blue); transition: all 0.3s; }
.btn:hover { transform: scale(1.05); box-shadow: 0 0 20px rgba(30, 144, 255, 0.7); }
.section-title { text-align: center; margin-bottom: 60px; }
.section-title p { font-family: var(--font-serif); font-style: italic; color: #aaa; margin-bottom: 5px; }
.section-title h2 { font-size: 2.8rem; font-weight: 800; color: var(--mirsix-blue); }

/* --- Footer --- */
.footer { background-color: #111; padding: 60px 0; color: #aaa; }
.footer .container { display: grid; grid-template-columns: 2fr 1fr 2fr; gap: 30px; align-items: center; }
.footer .logo img { height: 30px; opacity: 0.7; }
.footer-col h4 { color: var(--text-light-gray); margin-bottom: 20px; font-weight: 600; }
.footer-col ul { list-style: none; }
.footer-col a { color: #aaa; text-decoration: none; line-height: 2; transition: color 0.3s; }
.footer-col a:hover { color: var(--electric-blue); }
.footer-col p { font-size: 0.9rem; line-height: 1.8; margin-top: 15px; }

/* --- Animation on Scroll --- */
.reveal { position: relative; transform: translateY(100px); opacity: 0; transition: all 0.8s cubic-bezier(0.5, 0, 0, 1); }
.reveal.active { transform: translateY(0); opacity: 1; }

/* --- [Section] Hero --- */
.hero { height: 100vh; display: flex; align-items: center; justify-content: center; text-align: center; background: url('./main.jpg?auto=compress&cs=tinysrgb&w=1260&h=750&dpr=1') no-repeat center center/cover; position: relative; }
.hero::after { content: ''; position: absolute; top: 0; left: 0; width: 100%; height: 100%; background-color: rgba(0, 0, 0, 0.6); }
.hero-content { position: relative; z-index: 2; }
.hero-subheading { font-family: var(--font-serif); font-size: 1.5rem; font-style: italic; opacity: 0.8; }
.hero-heading { font-family: var(--font-primary); font-weight: 800; font-size: 5rem; color: var(--mirsix-blue); margin: 10px 0; }
.hero-description { font-size: 1.2rem; font-weight: 300; }
.scroll-down-indicator { position: absolute; bottom: 30px; z-index: 2; font-size: 2rem; animation: bounce 2s infinite; }
@keyframes bounce { 0%, 20%, 50%, 80%, 100% { transform: translateY(0); } 40% { transform: translateY(-15px); } 60% { transform: translateY(-8px); } }

/* --- [Section] About Us --- */
.about-wrapper { display: grid; grid-template-columns: 1fr 1.5fr; gap: 50px; align-items: center; }
.about-image img { border-radius: 8px; object-fit: cover; width: 100%; height: 100%; }
.brand-story { line-height: 2; font-size: 1.1rem; font-weight: 300; }
.brand-story p { margin-bottom: 20px; }

/* --- [Section] K-Lifestyle --- */
#k-lifestyle { background-color: var(--bg-light-charcoal); }
.category-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; }
.category-card { background-color: var(--bg-dark-charcoal); border-radius: 8px; overflow: hidden; text-align: center; }
.category-card-image { height: 250px; background-size: cover; background-position: center; }
.category-card-content { padding: 30px; }
.category-card h3 { font-weight: 700; font-size: 1.5rem; color: var(--mirsix-blue); margin-bottom: 15px; }
.category-card p { font-weight: 300; line-height: 1.7; font-size: 0.95rem; }
.img-healing { background-image: url('https://images.pexels.com/photos/3993324/pexels-photo-3993324.jpeg?auto=compress&cs=tinysrgb&w=1260&h=750&dpr=1'); }
.img-curation { background-image: url('https://images.pexels.com/photos/4202926/pexels-photo-4202926.jpeg?auto=compress&cs=tinysrgb&w=1260&h=750&dpr=1'); }
.img-sustainable { background-image: url('https://images.pexels.com/photos/4210315/pexels-photo-4210315.jpeg?auto=compress&cs=tinysrgb&w=1260&h=750&dpr=1'); }

/* --- [Section] E-Mobility --- */
.product-section { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; margin-bottom: 80px; }
.product-section:last-child { margin-bottom: 0; }
.product-section:nth-child(odd) .product-image { order: 2; }
.product-image img { border-radius: 8px; }
.product-content h3 { font-size: 2rem; color: var(--mirsix-blue); font-weight: 800; margin-bottom: 20px; }
.product-content p { font-size: 1.1rem; line-height: 1.8; margin-bottom: 20px; font-weight: 300; }
.product-content ul { list-style: none; margin-left: 0; }
.product-content ul li { margin-bottom: 10px; font-weight: 300; }
.product-content ul li::before { content: '✓'; color: var(--electric-blue); margin-right: 10px; font-weight: 700; }

/* --- [Section] Partners --- */
#partners { background-color: var(--bg-light-charcoal); }
.partners-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 30px; align-items: center; }
.partner-logo { text-align: center; }
.partner-logo img { max-width: 150px; filter: grayscale(100%) brightness(1.5); transition: all 0.3s; }
.partner-logo:hover img { filter: grayscale(0%) brightness(1); }

/* --- [Section] Contact --- */
.contact-wrapper { display: grid; grid-template-columns: 1fr 1.5fr; gap: 60px; }
.contact-info h3, .contact-form h3 { font-size: 1.8rem; font-weight: 700; margin-bottom: 30px; }
.contact-info p { margin-bottom: 20px; display: flex; align-items: flex-start; gap: 15px; }
.contact-info p svg { fill: var(--mirsix-blue); width: 20px; flex-shrink: 0; margin-top: 3px; }
.form-group { margin-bottom: 20px; }
.form-group label { display: block; margin-bottom: 8px; font-weight: 500; }
.form-control { width: 100%; padding: 15px; background-color: var(--bg-dark-charcoal); border: 1px solid #444; color: var(--text-light-gray); border-radius: 5px; font-family: var(--font-primary); font-size: 1rem; }
textarea.form-control { resize: vertical; min-height: 150px; }
iframe { width: 100%; height: 250px; border-radius: 8px; border: 0; margin-top: 30px; filter: invert(90%) hue-rotate(180deg); }

/* --- Responsive Design --- */
@media (max-width: 992px) {
    .product-section, .about-wrapper { text-align: center; }
    .product-section:nth-child(odd) .product-image, .about-wrapper .about-image { order: -1; margin-bottom: 30px; }
    .product-content ul { display: inline-block; text-align: left; }
    .nav-menu { display: none; } /* On smaller screens, hide menu for simplicity. Mobile menu requires more JS. */
}
@media (max-width: 768px) {
    .hero-heading { font-size: 3rem; }
    .category-grid, .product-section, .contact-wrapper, .footer .container, .about-wrapper { grid-template-columns: 1fr; }
}