/* Minimalist Corporate Theme */
:root {
    --bg-color: #ffffff;
    --bg-light: #f8f9fa;
    --text-color: #111827; /* very dark gray/black */
    --text-muted: #6b7280;
    --border-color: #e5e7eb;
    --accent-color: #00bcd4; /* subtle cyan accent */
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', 'Noto Sans KR', sans-serif;
    color: var(--text-color);
    background-color: var(--bg-color);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

a {
    text-decoration: none;
    color: inherit;
}

ul {
    list-style: none;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 40px;
}

/* Header */
header {
    position: fixed;
    top: 0;
    width: 100%;
    background: var(--bg-color);
    z-index: 1000;
    border-bottom: 1px solid var(--border-color);
    transition: transform 0.3s ease;
}

.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1400px;
    margin: 0 auto;
    padding: 20px 40px;
}

.logo a {
    display: flex;
    align-items: center;
    gap: 0;
}

.logo-img {
    height: 60px;
    object-fit: contain;
    margin-right: -10px; /* pull text closer */
}

.logo-text {
    font-weight: 900;
    font-size: 1.2rem;
    letter-spacing: 1px;
}

.main-nav ul {
    display: flex;
    gap: 40px;
}

.main-nav a {
    font-size: 0.95rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: color 0.2s;
}

.main-nav a:hover {
    color: var(--accent-color);
}

/* Hero Typography */
.hero-typography {
    padding-top: 180px; /* clear header */
    padding-bottom: 0;
}

.hero-content {
    text-align: center;
    max-width: 800px;
    margin: 0 auto 80px;
}

.hero-eyebrow {
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--text-muted);
    margin-bottom: 24px;
}

.hero-title {
    font-size: 5.5rem;
    font-weight: 900;
    line-height: 1.05;
    letter-spacing: -2px;
    margin-bottom: 32px;
}

.hero-subtitle {
    font-size: 1.3rem;
    color: var(--text-muted);
    font-weight: 300;
    line-height: 1.8;
}

.hero-banner {
    width: 100%;
    height: 400px; /* cinematic strip */
    overflow: hidden;
}

.hero-banner img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* Sections */
.section {
    padding: 120px 0;
}

.bg-light {
    background-color: var(--bg-light);
}

.section-heading {
    margin-bottom: 80px;
}

.section-heading h2 {
    font-size: 3rem;
    font-weight: 800;
    letter-spacing: -1px;
    margin-bottom: 16px;
}

.section-heading p {
    font-size: 1.1rem;
    color: var(--text-muted);
}

.text-center {
    text-align: center;
}

/* Split Block (Zig-Zag) */
.split-block {
    display: flex;
    align-items: center;
    gap: 80px;
    margin-bottom: 120px;
}

.split-block:last-child {
    margin-bottom: 0;
}

.split-block.reverse {
    flex-direction: row-reverse;
}

.block-text {
    flex: 1;
}

.block-image {
    flex: 1.2;
}

.block-image img {
    width: 100%;
    height: auto;
    display: block;
    border-radius: 4px; /* subtle soft edge, not too round */
}

.block-number {
    display: block;
    font-size: 1rem;
    font-weight: 700;
    color: var(--accent-color);
    margin-bottom: 16px;
}

.block-text h3 {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 24px;
    letter-spacing: -0.5px;
}

.block-desc {
    font-size: 1.1rem;
    color: var(--text-muted);
    line-height: 1.8;
    margin-bottom: 40px;
}

/* Buttons */
.btn-outline {
    display: inline-block;
    padding: 12px 32px;
    border: 1px solid var(--text-color);
    color: var(--text-color);
    font-weight: 500;
    transition: all 0.2s ease;
}

.btn-outline:hover {
    background: var(--text-color);
    color: #fff;
}

/* Products List (Table style) */
.product-list {
    border-top: 2px solid var(--text-color);
}

.product-item {
    display: flex;
    align-items: center;
    padding: 40px 0;
    border-bottom: 1px solid var(--border-color);
    transition: background 0.2s;
}

.product-item:hover {
    background: #fff;
}

.prod-col {
    padding: 0 20px;
}

.prod-name {
    flex: 0 0 25%;
}

.prod-name h3 {
    font-size: 1.8rem;
    font-weight: 700;
}

.prod-desc {
    flex: 0 0 40%;
    color: var(--text-muted);
    font-size: 1rem;
}

.prod-specs {
    flex: 0 0 20%;
}

.prod-specs ul li {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-color);
    margin-bottom: 4px;
}

.prod-action {
    flex: 0 0 15%;
    text-align: right;
}

.link-arrow {
    font-weight: 600;
    font-size: 0.95rem;
    color: var(--accent-color);
    text-transform: uppercase;
}

.link-arrow:hover {
    text-decoration: underline;
}

/* Footer */
.minimal-footer {
    background: var(--text-color);
    color: #fff;
    padding: 80px 0 40px;
}

.footer-grid {
    display: flex;
    justify-content: space-between;
    margin-bottom: 60px;
}

.footer-logo {
    height: 50px;
    object-fit: contain;
    margin-bottom: 16px;
}

.brand-text {
    font-weight: 700;
    letter-spacing: 1px;
}

.footer-contact h4,
.footer-address h4 {
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--text-muted);
    margin-bottom: 16px;
}

.footer-contact p,
.footer-address p {
    color: #d1d5db;
    margin-bottom: 8px;
}

.footer-legal {
    border-top: 1px solid #374151;
    padding-top: 30px;
    text-align: center;
    color: var(--text-muted);
    font-size: 0.9rem;
}

/* Responsive */
@media (max-width: 992px) {
    .hero-title {
        font-size: 3.5rem;
    }
    
    .split-block,
    .split-block.reverse {
        flex-direction: column;
        gap: 40px;
    }
    
    .product-item {
        flex-direction: column;
        align-items: flex-start;
        gap: 20px;
    }
    
    .prod-col {
        flex: 1 1 auto;
        padding: 0;
        text-align: left;
    }
    
    .footer-grid {
        flex-direction: column;
        gap: 40px;
    }
}