@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+KR:wght@100;300;400;500;700&display=swap');
* { margin: 0; padding: 0; box-sizing: border-box; font-family: 'Noto Sans KR', sans-serif; }
body { background: #050505; color: #eee; line-height: 1.7; word-break: keep-all; }
a { text-decoration: none; color: inherit; transition: 0.3s; }

/* Header - Absolute, Transparent */
header { position: absolute; width: 100%; top: 0; left: 0; padding: 40px 60px; display: flex; justify-content: space-between; align-items: flex-start; z-index: 1000; background: linear-gradient(to bottom, rgba(0,0,0,0.8), transparent); }
.logo { font-size: 1.8rem; font-weight: 700; letter-spacing: 2px; color: #fff; }
.logo span { font-weight: 300; color: #a3a3a3; }
.mobile-menu-btn { display: none; }
.nav-links { display: flex; flex-direction: column; align-items: flex-end; gap: 15px; list-style: none; margin: 0; }
.nav-links li a { font-weight: 400; color: #e0e0e0; letter-spacing: 1px; font-size: 0.95rem; text-transform: uppercase; }
.nav-links li a:hover, .nav-links li a.active { color: #fff; }

/* Buttons */
.btn { display: inline-block; padding: 15px 40px; font-weight: 400; font-size: 0.95rem; letter-spacing: 1px; text-transform: uppercase; text-align: center; border: 1px solid #fff; }
.btn-primary { background: #fff; color: #000; }
.btn-primary:hover { background: transparent; color: #fff; }
.btn-outline { background: transparent; color: #fff; border-color: #8f8f8f; }
.btn-outline:hover { border-color: #fff; }

/* Hero */
.hero { height: 100vh; position: relative; display: flex; align-items: flex-end; justify-content: flex-start; padding: 100px 60px; overflow: hidden; }
.hero-bg { position: absolute; inset: 0; background-image: url('images/hero.png') !important; background-position: center; background-size: cover; z-index: 1; filter: grayscale(50%); }
.hero-overlay { position: absolute; inset: 0; background: linear-gradient(to top, rgba(0,0,0,1) 0%, rgba(0,0,0,0.4) 50%, transparent 100%); z-index: 2; }
.hero-content { position: relative; z-index: 3; max-width: 900px; text-align: left; }
.hero-subtitle { color: #a3a3a3; font-weight: 400; letter-spacing: 5px; font-size: 1rem; margin-bottom: 20px; display: block; text-transform: uppercase; }
.hero-title { font-size: 5rem; font-weight: 300; color: #fff; margin-bottom: 30px; line-height: 1.1; letter-spacing: -2px; }
.hero-title br { display: none; }
.hero-desc { color: #e0e0e0; font-weight: 400; font-size: 1.2rem; margin-bottom: 40px; max-width: 600px; }

/* Inner Page Header */
.page-header { height: 60vh; display: flex; align-items: flex-end; padding: 100px 60px; text-align: left; position: relative; background-position: center !important; background-size: cover !important; }
.page-header::before { content:''; position:absolute; inset:0; background: linear-gradient(to top, #050505 0%, rgba(5,5,5,0.3) 100%); }
.page-header .reveal { position: relative; z-index: 2; }
.page-header .hero-subtitle { color: #a3a3a3; letter-spacing: 5px; font-weight: 400; font-size: 0.9rem; }
.page-header .page-title { font-size: 4rem; color: #fff; font-weight: 300; letter-spacing: -1px; margin-top: 10px; }

/* Sections */
.section { max-width: 1400px; margin: 0 auto; padding: 150px 60px; border-bottom: 1px solid #1a1a1a; }
.section-header { margin-bottom: 80px; text-align: left; }
.section-subtitle { display: none; }
.section-title { font-size: 3rem; font-weight: 300; color: #fff; letter-spacing: -1px; }
.section-header p { color: #a3a3a3 !important; font-weight: 400; font-size: 1.1rem; margin-top: 20px; max-width: 600px; }

/* Features Grid */
.features-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 60px; }
.feature-card { background: transparent; padding: 40px 0; border-top: 1px solid #333; text-align: left; }
.feature-icon { font-size: 2rem; margin-bottom: 30px; opacity: 0.5; color: #fff; }
.feature-card h3 { font-size: 1.5rem; font-weight: 400; color: #fff; margin-bottom: 20px; }
.feature-card p { color: #a3a3a3; font-weight: 400; font-size: 0.95rem; line-height: 1.8; }

/* Product Grid - Large Masonry vibe */
.product-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 40px; }
.product-card { background: transparent; text-align: left; }
.product-img-wrap { background: #0a0a0a; height: 350px; display: flex; align-items: center; justify-content: center; padding: 30px; margin-bottom: 20px; border: 1px solid #1a1a1a; transition: border-color 0.4s; }
.product-card:hover .product-img-wrap { border-color: #8f8f8f; }
.product-img-wrap img { max-width: 100%; max-height: 100%; filter: drop-shadow(0 20px 30px rgba(0,0,0,0.8)); transition: transform 0.5s; }
.product-img-wrap:hover img { transform: scale(1.05); }
.product-info { padding: 0; text-align: left; }
.product-title { font-size: 1.3rem; font-weight: 400; color: #fff; margin-bottom: 10px; }
.product-desc { color: #999; font-weight: 400; font-size: 0.9rem; margin-bottom: 20px; }
.product-info .btn { padding: 8px 20px !important; border: 1px solid #333; }

/* Inquiry Form */
.inquiry-form { background: transparent; padding: 0; max-width: 800px; margin: 0; border: none; }
.form-group { margin-bottom: 40px; border: none; padding: 0; }
.form-group label { display: block; font-weight: 400; color: #a3a3a3; text-transform: uppercase; font-size: 0.85rem; letter-spacing: 1px; margin-bottom: 15px; width: auto; }
.form-control { width: 100%; padding: 15px 0; border: none; border-bottom: 1px solid #5a5a5a; background: transparent; color: #fff; font-family: inherit; font-size: 1.2rem; font-weight: 300; }
.form-control:focus { outline: none; border-bottom-color: #fff; }
textarea.form-control { min-height: 100px; }
.process-steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 30px; margin-top: 60px; }
.step-box { background: transparent; border: 1px solid #222; padding: 40px 30px; text-align: left; }
.step-num { font-size: 2rem; font-weight: 300; color: #8f8f8f; margin-bottom: 20px; display: block; background: transparent; border: none; padding: 0; position: static; transform: none; width: auto; height: auto; }
.pricing-table th, .pricing-table td { border-bottom: 1px solid #222; border-top: none; padding: 20px; font-weight: 400; }
.pricing-table th { background: transparent !important; color: #a3a3a3 !important; text-transform: uppercase; font-size: 0.85rem; letter-spacing: 1px; border: none; border-bottom: 1px solid #555; }
.cta-section { padding: 150px 60px; text-align: left; border: none; }
.cta-content h2 { font-size: 3rem; font-weight: 300; }
.cta-content p { color: #a3a3a3 !important; font-weight: 400; font-size: 1.1rem; }
/* Overrides for Reveal */
.reveal { opacity: 1 !important; transform: none !important; }

/* Footer */
footer { padding: 80px 60px; background: #050505; color: #8f8f8f; font-weight: 400; border-top: 1px solid #1a1a1a; }
.footer-content { display: flex; justify-content: space-between; flex-wrap: wrap; margin-bottom: 60px; }
.footer-col h4 { color: #a3a3a3; font-weight: 400; text-transform: uppercase; font-size: 0.85rem; margin-bottom: 20px; letter-spacing: 1px; }
.footer-links { list-style: none; }
.footer-links li { margin-bottom: 15px; }
.footer-links a:hover { color: #fff; }
.footer-bottom { border-top: 1px solid #111; padding-top: 30px; text-transform: uppercase; font-size: 0.8rem; letter-spacing: 1px; }

/* --- Responsive Design (Mobile & Tablet) --- */
@media (max-width: 1024px) {
  .hero-title { font-size: 3.5rem; }
  .features-grid { grid-template-columns: repeat(2, 1fr); gap: 30px; }
  .product-grid { grid-template-columns: repeat(2, 1fr); gap: 30px; }
  .process-steps { grid-template-columns: repeat(2, 1fr); gap: 20px; }
  .section { padding: 100px 40px; }
  .page-header { padding: 120px 40px 80px; }
}

@media (max-width: 768px) {
  header { padding: 20px 30px; background: rgba(0,0,0,0.9); }
  .logo { font-size: 1.4rem; }
  
  /* Mobile Menu */
  .mobile-menu-btn { display: block; color: #fff; font-size: 1.5rem; cursor: pointer; z-index: 1001; }
  .nav-links { position: fixed; top: 0; right: -100%; width: 250px; height: 100vh; background: #151515; flex-direction: column; padding: 100px 40px; transition: right 0.4s ease; border-left: 1px solid #333; }
  .nav-links.active { right: 0; }
  .nav-links li a { font-size: 1.2rem; }

  /* Hero */
  .hero { padding: 80px 30px; }
  .hero-title { font-size: 2.8rem; margin-bottom: 20px; text-shadow: 0 5px 20px rgba(0,0,0,0.8); }
  .hero-desc { font-size: 1rem; text-shadow: 0 2px 10px rgba(0,0,0,0.8); }

  /* Inner pages */
  .page-header { padding: 120px 30px 60px; height: auto; }
  .page-header .page-title { font-size: 2.8rem; }

  /* Grid Layouts */
  .features-grid { grid-template-columns: 1fr; gap: 40px; }
  .product-grid { grid-template-columns: 1fr; gap: 30px; }
  .product-img-wrap { height: 260px; padding: 20px; }
  .process-steps { grid-template-columns: 1fr; }
  
  /* Sections & Forms */
  .section { padding: 80px 30px; }
  .section-title { font-size: 2.2rem; }
  .feature-card { padding: 20px 0; }
  
  /* Forms */
  .inquiry-form { padding: 0; }
  .form-control { padding: 12px 0; font-size: 1rem; }
  .btn { padding: 12px 30px; width: 100%; } /* Make buttons full width on small mobile */

  /* CTA */
  .cta-section { padding: 100px 30px; }
  .cta-content h2 { font-size: 2.2rem; margin-bottom: 20px; }

  /* Footer */
  footer { padding: 60px 30px; }
  .footer-col { margin-bottom: 30px; width: 100%; }
}