/* Cluster 3: Personal Brand / Architect Studio Theme */
:root {
  --charcoal: #1c1c1c;
  --charcoal-dark: #111111;
  --bronze: #b8975a;
  --bronze-hover: #9e7f45;
  --bg-studio: #fcfbfa;
  --bg-white: #ffffff;
  --text-main: #2b2b2b;
  --text-sub: #666666;
  --line-color: #e5e0d8;
  --radius: 6px;
}
* { box-sizing: border-box; margin: 0; padding: 0; font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif; }
body { background-color: var(--bg-studio); color: var(--text-main); line-height: 1.65; }
header { background: var(--bg-white); border-bottom: 1px solid var(--line-color); position: sticky; top: 0; z-index: 100; }
.nav-wrap { max-width: 1140px; margin: 0 auto; padding: 18px 24px; display: flex; justify-content: space-between; align-items: center; }
.brand-name { display: flex; align-items: center; gap: 12px; text-decoration: none; color: var(--charcoal); font-weight: 700; font-size: 1.25rem; letter-spacing: -0.5px; }
.brand-icon { width: 36px; height: 36px; border-radius: 6px; }
.nav-menu { display: flex; gap: 26px; align-items: center; }
.nav-menu a { text-decoration: none; color: var(--text-main); font-weight: 500; font-size: 0.95rem; }
.nav-menu a:hover { color: var(--bronze); }
.btn-gold { background: var(--charcoal); color: #fff !important; padding: 10px 20px; border-radius: var(--radius); font-weight: 600; }
.btn-gold:hover { background: var(--charcoal-dark); }
.hero-studio { background: var(--charcoal-dark); color: #fff; padding: 90px 24px; position: relative; }
.hero-container { max-width: 1140px; margin: 0 auto; display: grid; grid-template-columns: 1.2fr 0.8fr; gap: 50px; align-items: center; }
.hero-subtitle { display: inline-block; color: var(--bronze); font-size: 0.85rem; font-weight: 700; text-transform: uppercase; letter-spacing: 2px; margin-bottom: 16px; }
.hero-container h1 { font-size: 2.8rem; line-height: 1.15; font-weight: 800; margin-bottom: 18px; letter-spacing: -1px; }
.hero-container h1 span { color: var(--bronze); }
.hero-container p { font-size: 1.12rem; color: #b8b3ae; margin-bottom: 26px; }
.hero-art { border-radius: var(--radius); overflow: hidden; box-shadow: 0 20px 40px rgba(0,0,0,0.4); border: 1px solid rgba(255,255,255,0.08); }
.hero-art img { width: 100%; display: block; }
.form-box { background: var(--bg-white); color: var(--text-main); padding: 34px; border-radius: var(--radius); box-shadow: 0 16px 36px rgba(0,0,0,0.25); }
.form-box h3 { font-size: 1.35rem; color: var(--charcoal); margin-bottom: 6px; }
.form-box p { font-size: 0.9rem; color: var(--text-sub); margin-bottom: 20px; }
.input-group { margin-bottom: 16px; }
.input-group label { display: block; font-size: 0.85rem; font-weight: 600; margin-bottom: 6px; color: #444; }
.input-group input, .input-group select, .input-group textarea { width: 100%; padding: 12px 14px; border: 1px solid #ccc; border-radius: var(--radius); font-size: 0.95rem; outline: none; background: #faf9f8; }
.input-group input:focus, .input-group select:focus { border-color: var(--charcoal); box-shadow: 0 0 0 3px rgba(28, 28, 28, 0.1); }
.btn-form-submit { width: 100%; background: var(--bronze); color: #fff; border: none; padding: 14px; font-size: 1rem; font-weight: 700; border-radius: var(--radius); cursor: pointer; transition: background 0.2s; }
.btn-form-submit:hover { background: var(--bronze-hover); }
.alert-box { display: none; padding: 12px; border-radius: var(--radius); margin-top: 14px; font-size: 0.88rem; text-align: center; }
.alert-box.success { display: block; background: #e8f5e9; color: #2e7d32; border: 1px solid #c8e6c9; }
.content-pad { padding: 80px 24px; max-width: 1140px; margin: 0 auto; }
.head-center { text-align: center; margin-bottom: 50px; }
.head-center h2 { font-size: 2.1rem; color: var(--charcoal); margin-bottom: 10px; font-weight: 800; }
.head-center p { color: var(--text-sub); max-width: 600px; margin: 0 auto; }
.portfolio-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(310px, 1fr)); gap: 30px; }
.port-card { background: var(--bg-white); border-radius: var(--radius); overflow: hidden; border: 1px solid var(--line-color); box-shadow: 0 4px 12px rgba(0,0,0,0.03); transition: transform 0.2s; }
.port-card:hover { transform: translateY(-4px); box-shadow: 0 10px 24px rgba(0,0,0,0.07); }
.port-img { width: 100%; height: 210px; overflow: hidden; }
.port-img img { width: 100%; height: 100%; object-fit: cover; }
.port-body { padding: 26px; }
.port-body h3 { font-size: 1.25rem; color: var(--charcoal); margin-bottom: 10px; }
.port-body p { font-size: 0.95rem; color: var(--text-sub); }
.expert-box { background: var(--bg-white); border: 1px solid var(--line-color); border-radius: var(--radius); padding: 48px; display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 40px; align-items: center; }
.expert-box h3 { font-size: 1.85rem; color: var(--charcoal); margin-bottom: 16px; }
.expert-box p { color: var(--text-sub); margin-bottom: 16px; }
.metrics-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; background: var(--bg-studio); padding: 26px; border-radius: var(--radius); border: 1px solid var(--line-color); }
.metric-i h4 { font-size: 1.8rem; color: var(--bronze); font-weight: 800; }
.metric-i span { font-size: 0.85rem; color: var(--text-sub); font-weight: 500; }
footer { background: #0d0d0d; color: #8a8580; padding: 60px 24px 30px 24px; border-top: 1px solid #222; font-size: 0.88rem; }
.foot-layout { max-width: 1140px; margin: 0 auto; display: grid; grid-template-columns: 2fr 1fr 1.5fr; gap: 40px; padding-bottom: 40px; border-bottom: 1px solid #222; }
.foot-col h4 { color: #fff; font-size: 1.05rem; margin-bottom: 16px; }
.foot-col p { margin-bottom: 10px; line-height: 1.6; }
.foot-menu { list-style: none; }
.foot-menu li { margin-bottom: 8px; }
.foot-menu a { color: #8a8580; text-decoration: none; }
.foot-menu a:hover { color: var(--bronze); }
.foot-bottom { max-width: 1140px; margin: 24px auto 0 auto; display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 16px; font-size: 0.82rem; }
.modal-layer { display: none; position: fixed; z-index: 1000; left: 0; top: 0; width: 100%; height: 100%; background: rgba(0,0,0,0.7); overflow-y: auto; }
.modal-pane { background: var(--bg-white); margin: 60px auto; padding: 36px; max-width: 680px; width: 90%; border-radius: var(--radius); position: relative; }
.modal-pane h3 { color: var(--charcoal); margin-bottom: 16px; }
.modal-pane h4 { color: var(--charcoal); margin: 16px 0 6px 0; }
.modal-pane p { color: var(--text-sub); font-size: 0.92rem; line-height: 1.6; margin-bottom: 12px; }
.modal-close { position: absolute; right: 20px; top: 16px; font-size: 26px; cursor: pointer; color: #888; }
@media (max-width: 860px) { .hero-container { grid-template-columns: 1fr; } .expert-box { grid-template-columns: 1fr; } .foot-layout { grid-template-columns: 1fr; } .nav-menu { display: none; } }