@charset "utf-8";
@import url("https://fonts.googleapis.com/css2?family=Noto+Sans+KR:wght@300;400;500;700;900&family=Montserrat:wght@300;400;500;600;700;800;900&family=Playfair+Display:ital,wght@0,400;0,500;0,600;0,700;1,400;1,500;1,600&display=swap");

:root {
    --bg:      #0b0c10;   /* deep rich dark base */
    --surface: #1f2833;   /* card surface */
    --fg:      #f5f5f7;   /* light text */
    --muted:   #c5a880;   /* premium gold muted text */
    --border:  #2f3b47;   /* subtle hairlines */
    --accent:  #d4af37;   /* premium metallic gold accent */
    --accent-soft: rgba(212, 175, 55, 0.15);
    --fg-soft:     rgba(245, 245, 247, 0.06);

    --font-display: 'Manrope Variable', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-body:    'Noto Sans SC Variable', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-mono:    'IBM Plex Mono', monospace;

    --fs-h1: clamp(40px, 5.5vw, 72px);
    --fs-h2: clamp(30px, 3.5vw, 44px);
    --fs-h3: 20px;
    --fs-lead: 18px;
    --fs-body: 15px;
    --fs-meta: 12px;

    --gap-xs: 8px;
    --gap-sm: 12px;
    --gap-md: 20px;
    --gap-lg: 32px;
    --gap-xl: 56px;
    --gap-2xl: 96px;
    --container: 1200px;
    --gutter: 24px;

    --radius: 8px;
    --radius-lg: 16px;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    margin: 0;
    background: var(--bg);
    color: var(--fg);
    font-family: var(--font-body);
    font-size: var(--fs-body);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}
img { display: block; max-width: 100%; border-radius: var(--radius); }
a { color: inherit; text-decoration: none; transition: color 0.2s; }
button { font: inherit; cursor: pointer; border: none; background: none; color: inherit; }

/* Layout */
.container {
    max-width: var(--container);
    margin-inline: auto;
    padding-inline: var(--gutter);
}
.section {
    padding-block: clamp(60px, 10vw, var(--gap-2xl));
}
.section-border {
    border-bottom: 1px solid var(--border);
}

/* Topnav */
.topnav {
    position: fixed; top: 0; left: 0; right: 0; z-index: 100;
    background: rgba(11, 12, 16, 0.85);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
}
.topnav-inner {
    display: flex; align-items: center; justify-content: space-between; padding-block: 20px;
}
.logo {
    font-family: var(--font-display);
    font-size: 24px;
    font-weight: 800;
    letter-spacing: -0.02em;
    color: var(--fg);
    display: flex;
    align-items: center;
    gap: 10px;
}
.logo img{width: 3rem; height: auto;;}
.logo span {
    color: var(--accent);
}
.nav-links {
    display: flex;
    gap: var(--gap-lg);
}
.nav-links a:hover {
    color: var(--accent);
}
.contact-info-top {
    font-family: var(--font-mono);
    font-size: var(--fs-meta);
    color: var(--accent);
}

/* Hero Section */
.hero {
    position: relative;
    padding-top: 180px;
    padding-bottom: 100px;
    overflow: hidden;
}
.hero-glow {
    position: absolute;
    top: -10%; left: 50%;
    transform: translateX(-50%);
    width: 600px; height: 350px;
    background: radial-gradient(circle, rgba(212, 175, 55, 0.08) 0%, transparent 70%);
    pointer-events: none;
}
.hero-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}
.hero .eyebrow {
    font-family: var(--font-mono);
    color: var(--accent);
    text-transform: uppercase;
    letter-spacing: 0.15em;
    font-size: 14px;
    margin-bottom: var(--gap-md);
}
.hero h1 {
    font-family: var(--font-display);
    font-size: var(--fs-h1);
    font-weight: 800;
    line-height: 1.1;
    letter-spacing: -0.03em;
    margin-bottom: var(--gap-lg);
}
.hero h1 span {
    color: var(--accent);
}
.hero p {
    font-size: var(--fs-lead);
    color: #a0a5ad;
    max-width: 600px;
    margin: 0 auto var(--gap-xl);
}
.cta-group {
    display: flex;
    justify-content: center;
    gap: var(--gap-md);
}
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 28px;
    border-radius: var(--radius);
    font-weight: 600;
    transition: all 0.25s;
}
.btn-primary {
    background: var(--accent);
    color: #0b0c10;
}
.btn-primary:hover {
    background: #e5be3b;
    transform: translateY(-2px);
}
.btn-secondary {
    border: 1px solid var(--border);
    color: var(--fg);
}
.btn-secondary:hover {
    background: var(--fg-soft);
    border-color: var(--accent);
    transform: translateY(-2px);
}

/* Stats Section */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--gap-lg);
    text-align: center;
    padding-block: var(--gap-xl);
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
}
.stat-card h3 {
    font-family: var(--font-display);
    font-size: clamp(40px, 6vw, 64px);
    color: var(--accent);
    margin: 0;
    font-weight: 800;
}
.stat-card p {
    color: #a0a5ad;
    margin-top: var(--gap-xs);
    font-size: var(--fs-meta);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

/* Services Section */
.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--gap-lg);
    margin-top: var(--gap-xl);
}
.service-card {
    background: var(--surface);
    border: 1px solid var(--border);
    padding: 40px var(--gutter);
    border-radius: var(--radius-lg);
    transition: all 0.3s;
}
.service-card:hover {
    transform: translateY(-5px);
    border-color: var(--accent);
    box-shadow: 0 10px 30px rgba(212,175,55,0.05);
}
.service-icon {
    font-size: 32px;
    color: var(--accent);
    margin-bottom: var(--gap-lg);
}
.service-card h3 {
    font-size: var(--fs-h3);
    font-weight: 700;
    margin-bottom: var(--gap-sm);
}
.service-card p {
    color: #a0a5ad;
    font-size: 14px;
    margin: 0;
}

/* Portfolio Section */
.portfolio-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    margin-bottom: var(--gap-xl);
}
.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--gap-lg);
}
.portfolio-item {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--border);
    background: var(--surface);
    transition: all 0.3s;
}
.portfolio-item:hover {
    transform: translateY(-4px);
    border-color: var(--accent);
}
.portfolio-info {
    padding: 24px;
}
.portfolio-info .meta {
    font-family: var(--font-mono);
    color: var(--accent);
    font-size: var(--fs-meta);
    margin-bottom: var(--gap-xs);
    text-transform: uppercase;
}
.portfolio-info h3 {
    font-size: 20px;
    margin: 0 0 12px;
}
.portfolio-info a {
    font-size: var(--fs-meta);
    color: var(--accent);
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-weight: 600;
}
.portfolio-info a::after {
    content: '→';
}

/* Contact Section */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: var(--gap-2xl);
}
.contact-details h2 {
    font-size: var(--fs-h2);
    margin-bottom: var(--gap-md);
}
.contact-details p {
    color: #a0a5ad;
    margin-bottom: var(--gap-xl);
}
.info-list {
    display: flex;
    flex-direction: column;
    gap: var(--gap-lg);
}
.info-item {
    display: flex;
    gap: var(--gap-md);
}
.info-item-icon {
    font-size: 20px;
    color: var(--accent);
}
.info-item-text h4 {
    margin: 0 0 4px;
    font-size: 14px;
    color: #a0a5ad;
}
.info-item-text p {
    margin: 0;
    font-size: 16px;
    color: var(--fg);
}

/* Form Styles */
.contact-form {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 40px;
}
.form-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--gap-md);
}
.form-full {
    grid-column: span 2;
}
.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}
.form-group label {
    font-size: var(--fs-meta);
    color: #a0a5ad;
    font-weight: 500;
}
.form-control {
    background: rgba(11, 12, 16, 0.5);
    border: 1px solid var(--border);
    color: var(--fg);
    padding: 12px 16px;
    border-radius: var(--radius);
    font-family: inherit;
    font-size: 14px;
    transition: all 0.25s;
}
.form-control:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(212,175,55,0.1);
}
textarea.form-control {
    resize: vertical;
    min-height: 120px;
}
.checkbox-group {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-top: var(--gap-md);
}
.checkbox-group input {
    accent-color: var(--accent);
}
.checkbox-group label {
    font-size: 13px;
    color: #a0a5ad;
}
.checkbox-group a {
    color: var(--accent);
}

/* Footer */
.footer {
    background: #06070a;
    padding-block: var(--gap-xl);
    border-top: 1px solid var(--border);
    color: #70757d;
    font-size: 14px;
}
.footer-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--gap-md);
}
.beian {
    color: #50555d;
    font-size: 12px;
}

@media (max-width: 768px) {
    .services-grid, .portfolio-grid, .contact-grid, .form-grid {
    grid-template-columns: 1fr;
    }
    .form-full {
    grid-column: span 1;
    }
    .portfolio-header {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--gap-md);
    }
    .footer-inner {
    flex-direction: column;
    text-align: center;
    }
}