:root {
    --bg: #0f1114;
    --fg: #f5f6f7;
    --muted: rgba(245, 246, 247, 0.72);
    --line: rgba(255, 255, 255, 0.18);
    --panel: rgba(10, 12, 16, 0.62);
    --accent: #c6cdd6;
}

* { box-sizing: border-box; }
html, body {
    margin: 0;
    padding: 0;
    background: radial-gradient(circle at 20% 20%, #1b2026 0%, var(--bg) 55%);
    color: var(--fg);
    font-family: "Montserrat", "Noto Sans KR", sans-serif;
}
a { color: inherit; text-decoration: none; }
.skip-link { position: absolute; left: -9999px; }
.skip-link:focus { left: 10px; top: 10px; z-index: 9999; background: #fff; color: #000; padding: 8px 12px; }

.site-header { position: fixed; inset: 0 0 auto 0; z-index: 30; background: linear-gradient(to bottom, rgba(0, 0, 0, 0.56), rgba(0, 0, 0, 0)); }
.site-header-inner { max-width: 1400px; margin: 0 auto; padding: 20px 28px; display: flex; align-items: center; gap: 20px; }
.brand { margin-right: auto; }
.brand-text { font-size: 1.12rem; letter-spacing: 0.28rem; font-weight: 600; }
.menu-toggle, .search-toggle { display: none; border: 1px solid rgba(255, 255, 255, 0.45); background: rgba(0, 0, 0, 0.35); color: #fff; padding: 8px 10px; }

.menu-list { display: flex; gap: 26px; margin: 0; padding: 0; list-style: none; }
.menu-list a { font-size: 0.87rem; letter-spacing: 0.12rem; color: var(--muted); }
.menu-list a:hover { color: #fff; }
.menu-list li { position: relative; }
.menu-list li ul { position: absolute; top: 100%; left: 0; min-width: 220px; background: rgba(10, 12, 16, 0.95); border: 1px solid rgba(255, 255, 255, 0.15); list-style: none; margin: 0; padding: 10px; display: none; }
.menu-list li:hover > ul { display: block; }

.site-search-panel { max-width: 1400px; margin: 0 auto; padding: 0 28px 18px; }
.search-form { display: flex; gap: 8px; }
.search-field { width: 100%; max-width: 560px; border: 1px solid rgba(255, 255, 255, 0.35); background: rgba(0, 0, 0, 0.35); color: #fff; padding: 10px 12px; }
.search-submit { border: 1px solid rgba(255, 255, 255, 0.45); background: transparent; color: #fff; padding: 10px 14px; }

.hero { position: relative; min-height: 100vh; overflow: hidden; }
.hero-slide { position: absolute; inset: 0; opacity: 0; transform: scale(1.06); transition: opacity 0.85s ease, transform 3.6s ease; }
.hero-slide.is-active { opacity: 1; transform: scale(1); }
.hero-bg { position: absolute; inset: 0; background-size: cover; background-position: center; }
.hero-overlay { position: absolute; inset: 0; background: linear-gradient(120deg, rgba(0, 0, 0, 0.74) 10%, rgba(0, 0, 0, 0.22) 66%); }
.hero-content { position: relative; z-index: 2; max-width: 1400px; margin: 0 auto; padding: 170px 28px 90px; }
.hero-content h1 { margin: 0 0 22px; font-size: clamp(2rem, 5vw, 4rem); font-weight: 500; }
.hero-content ul { list-style: none; margin: 0; padding: 0; max-width: 450px; }
.hero-content li { display: flex; gap: 16px; border-bottom: 1px solid var(--line); padding: 9px 0; color: var(--muted); }
.hero-content li span { min-width: 120px; color: var(--accent); text-transform: uppercase; letter-spacing: 0.08em; font-size: 0.8rem; }
.read-more { display: inline-block; margin-top: 22px; padding: 11px 17px; border: 1px solid rgba(255, 255, 255, 0.5); background: var(--panel); font-size: 0.76rem; }
.hero-controls { position: absolute; right: 24px; bottom: 26px; z-index: 4; display: flex; gap: 8px; }
.hero-btn { width: 42px; height: 42px; border: 1px solid rgba(255, 255, 255, 0.52); background: rgba(0, 0, 0, 0.38); color: #fff; cursor: pointer; }

.brand-section, .portfolio-section, .board-section { max-width: 1400px; margin: 0 auto; padding: 70px 28px; }
.section-head h2 { margin: 0 0 8px; font-size: clamp(1.4rem, 2.8vw, 2.2rem); }
.section-head p { margin: 0 0 18px; color: var(--muted); }
.brand-grid, .portfolio-grid { display: grid; gap: 14px; grid-template-columns: repeat(12, 1fr); }
.brand-grid figure, .portfolio-card { margin: 0; grid-column: span 3; overflow: hidden; border: 1px solid rgba(255, 255, 255, 0.12); }
.brand-grid img, .portfolio-card img { width: 100%; height: 100%; display: block; object-fit: cover; }
.portfolio-card h3 { margin: 0; padding: 12px; font-size: 1rem; border-top: 1px solid rgba(255, 255, 255, 0.12); }
.board-links { display: flex; flex-wrap: wrap; gap: 10px; }
.board-links a { padding: 10px 14px; border: 1px solid rgba(255, 255, 255, 0.4); }

.site-footer { background: #0d1014; border-top: 1px solid #1d232b; }
.site-footer-inner { max-width: 1400px; margin: 0 auto; padding: 22px 28px 28px; color: #9ba6b4; display: flex; justify-content: space-between; gap: 20px; flex-wrap: wrap; font-size: 0.85rem; }
.source-link a { text-decoration: underline; }
.footer-social { list-style: none; margin: 0; padding: 0; display: flex; gap: 10px; }

.basic-page { max-width: 980px; margin: 0 auto; padding: 130px 28px 70px; }
.post-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.post-card { border: 1px solid #20262f; background: rgba(0, 0, 0, 0.25); }
.post-card a { display: block; padding: 14px; }
.post-card img, .entry-thumb img { width: 100%; height: auto; }
.service-content-preview { padding: 0 14px 14px; color: var(--muted); line-height: 1.7; }
.service-content-preview p { margin: 0 0 12px; }

.inquiry-page { max-width: 760px; }
.inquiry-form { display: grid; gap: 14px; }
.inquiry-form p { margin: 0; display: grid; gap: 6px; }
.inquiry-form input, .inquiry-form textarea, .inquiry-form select {
    width: 100%;
    border: 1px solid rgba(255, 255, 255, 0.25);
    background: rgba(0, 0, 0, 0.24);
    color: #fff;
    padding: 10px 12px;
}
.inquiry-form button {
    width: fit-content;
    border: 1px solid rgba(255, 255, 255, 0.45);
    background: transparent;
    color: #fff;
    padding: 11px 18px;
    cursor: pointer;
}
.inquiry-message { padding: 12px; border: 1px solid rgba(255, 255, 255, 0.25); }
.inquiry-message.success { border-color: #2f9e6f; color: #9ce9c8; }
.inquiry-message.error { border-color: #cf4c63; color: #ffafbb; }
.inquiry-form label input[type="checkbox"] { width: auto; margin-right: 8px; }

@media (max-width: 900px) {
    .site-header-inner { align-items: flex-start; flex-direction: column; }
    .menu-list { gap: 14px; flex-wrap: wrap; }
    .hero-content { padding-top: 190px; }
    .hero-content li span { min-width: 90px; }
    .post-grid { grid-template-columns: 1fr; }
    .brand-grid figure, .portfolio-card { grid-column: span 6; }
}

@media (max-width: 700px) {
    .menu-toggle, .search-toggle { display: inline-block; }
    .primary-nav { display: none; width: 100%; }
    .primary-nav.is-open { display: block; }
    .menu-list { flex-direction: column; }
    .brand-grid figure, .portfolio-card { grid-column: span 12; }
}