/* KBCommercialRE.com — KB Software LLC */
/* Commercial real estate theme: dark navy + gold/brass */

:root {
    --primary: #1e3a5f;
    --primary-dark: #0f2440;
    --primary-light: #2d5a8e;
    --accent: #c9a84c;
    --accent-light: #e8dcc0;
    --accent-dark: #a68a2e;
    --success: #059669;
    --text: #1f2937;
    --text-light: #6b7280;
    --bg: #f8f9fa;
    --card-bg: #ffffff;
    --border: #e5e7eb;
    --shadow: 0 1px 3px rgba(0,0,0,0.1);
    --shadow-lg: 0 4px 12px rgba(0,0,0,0.12);
    --radius: 8px;
    --font: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-display: 'Playfair Display', Georgia, serif;
}

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

body {
    font-family: var(--font);
    color: var(--text);
    background: var(--bg);
    line-height: 1.6;
}

a { color: var(--primary); text-decoration: none; }
a:hover { color: var(--primary-light); }

/* ── Nav ── */
.nav {
    position: fixed; top: 0; left: 0; right: 0; z-index: 100;
    background: rgba(255,255,255,0.97);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border);
    transition: box-shadow 0.3s;
}
.nav-scrolled { box-shadow: var(--shadow-lg); }
.nav-inner {
    max-width: 1200px; margin: 0 auto;
    display: flex; align-items: center; justify-content: space-between;
    padding: 12px 24px;
}
.nav-logo {
    font-family: var(--font-display);
    font-size: 1.4rem; font-weight: 700; color: var(--primary-dark);
}
.nav-logo span { color: var(--accent); }
.nav-links { display: flex; gap: 24px; align-items: center; }
.nav-links a {
    font-size: 0.9rem; font-weight: 500; color: var(--text-light);
    transition: color 0.2s;
}
.nav-links a:hover { color: var(--primary); }
.nav-btn {
    display: inline-block; padding: 8px 20px;
    background: var(--primary); color: #fff !important;
    border-radius: var(--radius); font-weight: 600; font-size: 0.85rem;
    transition: background 0.2s;
}
.nav-btn:hover { background: var(--primary-dark); }
.nav-btn-accent {
    background: var(--accent); color: var(--primary-dark) !important;
}
.nav-btn-accent:hover { background: var(--accent-dark); }
#hamburger {
    display: none; background: none; border: none; cursor: pointer;
    font-size: 1.5rem; color: var(--text);
}

/* ── Hero ── */
.hero {
    padding: 120px 24px 80px;
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 50%, var(--primary-light) 100%);
    text-align: center;
    color: #fff;
    position: relative;
    overflow: hidden;
}
.hero::before {
    content: '';
    position: absolute; top: 0; left: 0; right: 0; bottom: 0;
    background: url('https://images.unsplash.com/photo-1486406146926-c627a92ad1ab?w=1600&q=80') center/cover;
    opacity: 0.12;
}
.hero > * { position: relative; z-index: 1; }
.hero h1 {
    font-family: var(--font-display);
    font-size: 2.8rem; font-weight: 700; color: #fff;
    margin-bottom: 16px; line-height: 1.2;
}
.hero p {
    font-size: 1.15rem; color: rgba(255,255,255,0.85);
    max-width: 640px; margin: 0 auto 32px;
}
.hero-stats {
    display: flex; gap: 40px; justify-content: center; flex-wrap: wrap;
    margin-top: 40px;
}
.hero-stat { text-align: center; }
.hero-stat .num {
    font-size: 2.2rem; font-weight: 800; color: var(--accent);
    display: block;
}
.hero-stat .label {
    font-size: 0.85rem; color: rgba(255,255,255,0.7); text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* ── Sections ── */
.section {
    max-width: 1200px; margin: 0 auto; padding: 60px 24px;
}
.section-title {
    font-family: var(--font-display);
    font-size: 1.8rem; font-weight: 700; color: var(--text);
    margin-bottom: 8px;
}
.section-sub {
    font-size: 0.95rem; color: var(--text-light); margin-bottom: 32px;
}

/* ── Property Type Cards ── */
.type-cards {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    gap: 16px;
}
.type-card {
    display: block;
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
    transition: transform 0.2s, box-shadow 0.2s;
    text-decoration: none; color: var(--text);
}
.type-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
}
.type-card-img {
    height: 140px;
    background-size: cover; background-position: center;
    position: relative;
}
.type-card-img::after {
    content: '';
    position: absolute; bottom: 0; left: 0; right: 0; height: 50%;
    background: linear-gradient(transparent, rgba(0,0,0,0.5));
}
.type-card-body {
    padding: 16px;
}
.type-card-body h3 {
    font-size: 1rem; font-weight: 700; color: var(--primary-dark);
    margin-bottom: 4px;
}
.type-card-body p {
    font-size: 0.8rem; color: var(--text-light);
}

/* ── Cards Grid ── */
.cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 20px;
}
.listing-card {
    display: block;
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
    transition: transform 0.2s, box-shadow 0.2s;
    text-decoration: none; color: var(--text);
}
.listing-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}
.card-badge {
    display: inline-block;
    background: var(--primary); color: #fff;
    font-size: 0.75rem; font-weight: 700;
    padding: 4px 12px; text-transform: uppercase;
    letter-spacing: 0.5px;
}
.card-body { padding: 16px; }
.card-address-visible {
    font-weight: 700; font-size: 0.95rem; color: var(--primary-dark);
    margin-bottom: 4px;
}
.card-location {
    font-weight: 500; font-size: 0.9rem; color: var(--text);
    margin-bottom: 2px;
}
.card-county {
    font-size: 0.8rem; color: var(--text-light); margin-bottom: 12px;
}
.card-details {
    display: flex; gap: 16px; flex-wrap: wrap;
}
.card-detail {
    display: flex; flex-direction: column;
}
.detail-label {
    font-size: 0.7rem; color: var(--text-light); text-transform: uppercase;
    letter-spacing: 0.3px;
}
.detail-value {
    font-size: 0.95rem; font-weight: 600; color: var(--text);
}
.value-accent { color: var(--accent-dark); }

/* ── Filters ── */
.filter-bar {
    display: flex; gap: 12px; flex-wrap: wrap;
    align-items: end; margin-bottom: 24px;
    padding: 16px; background: var(--card-bg);
    border: 1px solid var(--border); border-radius: var(--radius);
}
.filter-group { display: flex; flex-direction: column; }
.filter-group label {
    font-size: 0.75rem; font-weight: 600; color: var(--text-light);
    text-transform: uppercase; margin-bottom: 4px;
}
.filter-group select,
.filter-group input {
    padding: 8px 12px; border: 1px solid var(--border);
    border-radius: 6px; font-size: 0.9rem; background: #fff;
}
.filter-btn {
    padding: 8px 20px; background: var(--primary); color: #fff;
    border: none; border-radius: 6px; font-weight: 600;
    cursor: pointer; font-size: 0.9rem; transition: background 0.2s;
}
.filter-btn:hover { background: var(--primary-dark); }

/* ── Pagination ── */
.pagination {
    display: flex; gap: 12px; justify-content: center;
    align-items: center; margin-top: 32px;
}
.page-btn {
    padding: 8px 16px; background: var(--card-bg); color: var(--primary);
    border: 1px solid var(--border); border-radius: 6px;
    cursor: pointer; font-weight: 600; font-size: 0.85rem;
    transition: background 0.2s;
}
.page-btn:hover { background: var(--accent-light); }
.page-info { font-size: 0.85rem; color: var(--text-light); }

/* ── Property Detail ── */
.property-header {
    padding: 100px 24px 40px;
    background: linear-gradient(135deg, var(--primary-dark), var(--primary));
    color: #fff;
}
.property-header h1 {
    font-family: var(--font-display);
    font-size: 2rem; color: #fff;
}
.property-meta {
    font-size: 0.95rem; color: rgba(255,255,255,0.7); margin-top: 8px;
}
.detail-grid {
    display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 16px; margin-top: 24px;
}
.detail-box {
    background: var(--card-bg); border: 1px solid var(--border);
    border-radius: var(--radius); padding: 20px;
}
.detail-box h3 {
    font-size: 0.8rem; text-transform: uppercase; color: var(--text-light);
    letter-spacing: 0.5px; margin-bottom: 8px;
}
.detail-box .value {
    font-size: 1.4rem; font-weight: 700; color: var(--text);
}
.detail-box .value.accent { color: var(--accent-dark); }

/* ── Alert Box ── */
.alert-box {
    background: linear-gradient(135deg, var(--primary-dark), var(--primary));
    border: 2px solid var(--primary-light);
    border-radius: var(--radius); padding: 32px;
    text-align: center; margin: 40px 0; color: #fff;
}
.alert-box h2 {
    font-family: var(--font-display);
    font-size: 1.5rem; color: var(--accent); margin-bottom: 12px;
}
.alert-box p { color: rgba(255,255,255,0.85); }
.alert-box form { display: flex; gap: 8px; justify-content: center; flex-wrap: wrap; margin-top: 16px; }
.alert-box input {
    padding: 10px 16px; border: 1px solid rgba(255,255,255,0.3);
    border-radius: 6px; font-size: 0.9rem; min-width: 220px;
    background: rgba(255,255,255,0.1); color: #fff;
}
.alert-box input::placeholder { color: rgba(255,255,255,0.5); }
.alert-box button {
    padding: 10px 24px; background: var(--accent); color: var(--primary-dark);
    border: none; border-radius: 6px; font-weight: 700;
    cursor: pointer; transition: background 0.2s;
}
.alert-box button:hover { background: var(--accent-dark); color: #fff; }

/* ── Footer ── */
.footer {
    background: var(--primary-dark); color: rgba(255,255,255,0.6); padding: 48px 24px;
    text-align: center; font-size: 0.85rem;
}
.footer a { color: var(--accent); }
.footer-links { display: flex; gap: 24px; justify-content: center; margin-bottom: 16px; flex-wrap: wrap; }

/* ── How It Works Steps ── */
.steps {
    display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    gap: 24px; margin-top: 32px;
}
.step {
    background: var(--card-bg); border: 1px solid var(--border);
    border-radius: var(--radius); padding: 24px; text-align: center;
}
.step-num {
    display: inline-flex; align-items: center; justify-content: center;
    width: 48px; height: 48px; border-radius: 50%;
    background: var(--primary); color: var(--accent); font-weight: 800;
    font-size: 1.2rem; margin-bottom: 12px;
}
.step h3 { font-size: 1rem; margin-bottom: 8px; color: var(--primary-dark); }
.step p { font-size: 0.85rem; color: var(--text-light); }

/* ── SEO Content ── */
.seo-content {
    background: var(--card-bg); border: 1px solid var(--border);
    border-radius: var(--radius); padding: 32px; margin: 32px 0;
}
.seo-content h2 {
    font-family: var(--font-display);
    font-size: 1.4rem; margin-bottom: 12px; color: var(--text);
}
.seo-content p {
    font-size: 0.9rem; color: var(--text-light); line-height: 1.7;
    margin-bottom: 12px;
}

/* ── Auth styles ── */
.auth-container { max-width:440px; margin:120px auto 60px; padding:0 24px; }
.auth-card { background:#fff; border:1px solid var(--border); border-radius:var(--radius); padding:32px; }
.auth-card h1 { font-family:var(--font-display); font-size:1.6rem; color:var(--primary-dark); margin-bottom:8px; }
.auth-card p { font-size:0.9rem; color:var(--text-light); margin-bottom:24px; }
.auth-field { margin-bottom:16px; }
.auth-field label { display:block; font-size:0.8rem; font-weight:600; color:var(--text-light); text-transform:uppercase; margin-bottom:4px; }
.auth-field input { width:100%; padding:10px 14px; border:1px solid var(--border); border-radius:6px; font-size:0.95rem; }
.auth-field input:focus { outline:none; border-color:var(--primary); box-shadow:0 0 0 3px rgba(30,58,95,0.1); }
.auth-btn { width:100%; padding:12px; background:var(--primary); color:#fff; border:none; border-radius:6px; font-weight:700; font-size:1rem; cursor:pointer; transition:background 0.2s; }
.auth-btn:hover { background:var(--primary-dark); }
.auth-btn:disabled { opacity:0.6; cursor:not-allowed; }
.auth-link { text-align:center; margin-top:16px; font-size:0.85rem; }

/* ── Animations ── */
.fade-up {
    opacity: 0; transform: translateY(20px);
    transition: opacity 0.5s, transform 0.5s;
}
.fade-up.visible { opacity: 1; transform: translateY(0); }

/* ── Loading ── */
.loading {
    text-align: center; padding: 40px;
    color: var(--text-light); font-size: 0.9rem;
}

/* ── Responsive ── */
@media (max-width: 768px) {
    .hero h1 { font-size: 2rem; }
    .hero-stats { gap: 24px; }
    .hero-stat .num { font-size: 1.6rem; }
    .nav-links { display: none; }
    .nav-links.nav-open {
        display: flex; flex-direction: column;
        position: absolute; top: 100%; left: 0; right: 0;
        background: #fff; padding: 16px 24px;
        border-bottom: 1px solid var(--border);
        box-shadow: var(--shadow-lg);
    }
    #hamburger { display: block; }
    .filter-bar { flex-direction: column; }
    .cards-grid { grid-template-columns: 1fr; }
    .detail-grid { grid-template-columns: 1fr; }
    .type-cards { grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)); }
}