:root {
  --primary: #1e3a5f;
  --primary-dark: #142a4a;
  --accent: #3a9b6e;
  --accent-light: #4ec48a;
  --danger: #e74c3c;
  --warning: #f39c12;
  --text: #1f2937;
  --text-light: #6b7280;
  --text-lighter: #9ca3af;
  --bg: #f8fafc;
  --bg-alt: #f1f5f9;
  --white: #ffffff;
  --border: #e2e8f0;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --shadow: 0 1px 3px rgba(0,0,0,0.1), 0 1px 2px rgba(0,0,0,0.06);
  --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.1), 0 2px 4px -1px rgba(0,0,0,0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.1), 0 4px 6px -2px rgba(0,0,0,0.05);
  --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --max-width: 1200px;
}

*,*::before,*::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body { font-family: var(--font); color: var(--text); background: var(--white); line-height: 1.6; font-size: 16px; -webkit-font-smoothing: antialiased; }
img { max-width: 100%; height: auto; display: block; }
a { color: var(--primary); text-decoration: none; transition: var(--transition); }
a:hover { color: var(--accent); }

.container { max-width: var(--max-width); margin: 0 auto; padding: 0 24px; }

/* Navigation */
.nav { background: var(--white); border-bottom: 1px solid var(--border); position: sticky; top: 0; z-index: 100; }
.nav .container { display: flex; align-items: center; justify-content: space-between; height: 64px; }
.nav-brand { font-weight: 800; font-size: 1.4rem; color: var(--primary); letter-spacing: -0.5px; }
.nav-brand span { color: var(--accent); }
.nav-links { display: flex; gap: 28px; align-items: center; }
.nav-links a { font-size: 0.9rem; font-weight: 500; color: var(--text); }
.nav-links a:hover { color: var(--accent); }
.nav-cta { background: var(--accent); color: var(--white) !important; padding: 8px 18px; border-radius: var(--radius-sm); font-weight: 600; font-size: 0.85rem; transition: var(--transition); }
.nav-cta:hover { background: var(--accent-light); transform: translateY(-1px); box-shadow: var(--shadow-md); }
.nav-toggle { display: none; flex-direction: column; gap: 5px; background: none; border: none; cursor: pointer; }
.nav-toggle span { width: 24px; height: 2px; background: var(--text); border-radius: 2px; transition: var(--transition); }

/* Hero */
.hero { background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%); color: var(--white); padding: 80px 0 60px; position: relative; overflow: hidden; }
.hero::before { content: ''; position: absolute; top: -50%; right: -20%; width: 600px; height: 600px; background: radial-gradient(circle, rgba(58,155,110,0.15) 0%, transparent 70%); border-radius: 50%; }
.hero .container { position: relative; z-index: 1; }
.hero-breadcrumb { font-size: 0.85rem; opacity: 0.7; margin-bottom: 16px; }
.hero-breadcrumb a { color: var(--white); opacity: 0.8; }
.hero-breadcrumb a:hover { opacity: 1; }
.hero h1 { font-size: clamp(2rem, 4vw, 3.2rem); font-weight: 800; line-height: 1.15; margin-bottom: 20px; letter-spacing: -0.5px; }
.hero p { font-size: 1.15rem; opacity: 0.9; max-width: 640px; margin-bottom: 32px; line-height: 1.6; }
.hero-cta { display: flex; gap: 16px; flex-wrap: wrap; }
.hero-btn { display: inline-flex; align-items: center; gap: 8px; padding: 14px 28px; border-radius: var(--radius-sm); font-weight: 600; font-size: 1rem; transition: var(--transition); cursor: pointer; border: none; }
.hero-btn-primary { background: var(--accent); color: var(--white); }
.hero-btn-primary:hover { background: var(--accent-light); transform: translateY(-2px); box-shadow: var(--shadow-lg); }
.hero-btn-secondary { background: rgba(255,255,255,0.15); color: var(--white); border: 1px solid rgba(255,255,255,0.3); }
.hero-btn-secondary:hover { background: rgba(255,255,255,0.25); }

/* Section */
.section { padding: 64px 0; }
.section-alt { background: var(--bg); }
.section-header { text-align: center; max-width: 640px; margin: 0 auto 48px; }
.section-header h2 { font-size: clamp(1.5rem, 3vw, 2.2rem); font-weight: 700; color: var(--primary); margin-bottom: 12px; }
.section-header p { color: var(--text-light); font-size: 1.05rem; }

/* Cards */
.card-grid { display: grid; gap: 24px; }
.card-grid-3 { grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); }
.card-grid-2 { grid-template-columns: repeat(auto-fit, minmax(340px, 1fr)); }
.card-grid-4 { grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); }
.card { background: var(--white); border-radius: var(--radius-md); padding: 28px; box-shadow: var(--shadow); border: 1px solid var(--border); transition: var(--transition); }
.card:hover { transform: translateY(-3px); box-shadow: var(--shadow-lg); }
.card-icon { width: 48px; height: 48px; border-radius: var(--radius-sm); background: var(--bg-alt); display: flex; align-items: center; justify-content: center; font-size: 1.5rem; margin-bottom: 16px; }
.card h3 { font-size: 1.1rem; font-weight: 700; color: var(--primary); margin-bottom: 8px; }
.card p { color: var(--text-light); font-size: 0.95rem; line-height: 1.55; }
.card .card-link { display: inline-flex; align-items: center; gap: 4px; margin-top: 12px; font-weight: 600; font-size: 0.9rem; }
.card .card-link::after { content: '→'; transition: var(--transition); }
.card .card-link:hover::after { transform: translateX(4px); }

/* Feature list */
.features { display: flex; flex-direction: column; gap: 16px; }
.feature { display: flex; align-items: flex-start; gap: 16px; }
.feature-icon { width: 40px; height: 40px; min-width: 40px; border-radius: var(--radius-sm); background: var(--bg-alt); display: flex; align-items: center; justify-content: center; font-size: 1.2rem; }
.feature h4 { font-weight: 600; font-size: 1rem; margin-bottom: 4px; }
.feature p { color: var(--text-light); font-size: 0.9rem; }

/* Email capture */
.capture-box { background: var(--bg); border-radius: var(--radius-md); padding: 32px; text-align: center; max-width: 520px; margin: 0 auto; }
.capture-box h3 { font-size: 1.3rem; font-weight: 700; margin-bottom: 8px; }
.capture-box p { color: var(--text-light); font-size: 0.95rem; margin-bottom: 20px; }
.capture-form { display: flex; gap: 10px; flex-wrap: wrap; justify-content: center; }
.capture-form input[type="email"] { flex: 1; min-width: 240px; padding: 12px 16px; border: 1px solid var(--border); border-radius: var(--radius-sm); font-size: 1rem; font-family: inherit; outline: none; transition: var(--transition); }
.capture-form input[type="email"]:focus { border-color: var(--accent); box-shadow: 0 0 0 3px rgba(58,155,110,0.1); }
.capture-form button { padding: 12px 24px; background: var(--accent); color: var(--white); border: none; border-radius: var(--radius-sm); font-weight: 600; cursor: pointer; transition: var(--transition); }
.capture-form button:hover { background: var(--accent-light); transform: translateY(-1px); }
.capture-form button:disabled { opacity: 0.6; cursor: wait; }
.capture-success { color: var(--accent); font-weight: 600; display: none; }

/* CTA banner */
.cta-banner { background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%); color: var(--white); border-radius: var(--radius-lg); padding: 48px; text-align: center; position: relative; overflow: hidden; }
.cta-banner h3 { font-size: 1.6rem; font-weight: 700; margin-bottom: 12px; position: relative; z-index: 1; }
.cta-banner p { opacity: 0.9; margin-bottom: 24px; position: relative; z-index: 1; }
.cta-banner .btn { display: inline-block; padding: 14px 32px; background: var(--accent); color: var(--white); border-radius: var(--radius-sm); font-weight: 600; font-size: 1rem; transition: var(--transition); position: relative; z-index: 1; }
.cta-banner .btn:hover { background: var(--accent-light); transform: translateY(-2px); box-shadow: var(--shadow-lg); }

/* Table */
.table-wrap { overflow-x: auto; border-radius: var(--radius-md); border: 1px solid var(--border); }
table { width: 100%; border-collapse: collapse; font-size: 0.95rem; }
th { background: var(--bg-alt); font-weight: 600; text-align: left; padding: 14px 16px; color: var(--text); font-size: 0.85rem; text-transform: uppercase; letter-spacing: 0.3px; }
td { padding: 14px 16px; border-top: 1px solid var(--border); }
tr:hover td { background: var(--bg); }

/* FAQ / Accordion */
.faq { display: flex; flex-direction: column; gap: 12px; max-width: 800px; margin: 0 auto; }
.faq-item { border: 1px solid var(--border); border-radius: var(--radius-md); overflow: hidden; }
.faq-item summary { padding: 16px 20px; font-weight: 600; cursor: pointer; display: flex; align-items: center; justify-content: space-between; list-style: none; transition: var(--transition); }
.faq-item summary:hover { background: var(--bg); }
.faq-item summary::after { content: '+'; font-size: 1.3rem; font-weight: 300; color: var(--text-light); transition: var(--transition); }
.faq-item[open] summary::after { content: '−'; }
.faq-item p { padding: 0 20px 16px; color: var(--text-light); font-size: 0.95rem; }

/* Footer */
.footer { background: var(--primary-dark); color: var(--white); padding: 48px 0 24px; }
.footer-grid { display: grid; gap: 32px; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); margin-bottom: 32px; }
.footer h4 { font-size: 0.95rem; font-weight: 600; margin-bottom: 16px; opacity: 0.9; text-transform: uppercase; letter-spacing: 0.5px; }
.footer a { display: block; color: var(--white); opacity: 0.6; font-size: 0.9rem; margin-bottom: 8px; transition: var(--transition); }
.footer a:hover { opacity: 1; transform: translateX(2px); }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.1); padding-top: 20px; text-align: center; font-size: 0.85rem; opacity: 0.5; }

/* Badge */
.badge { display: inline-block; padding: 4px 10px; border-radius: 20px; font-size: 0.75rem; font-weight: 600; text-transform: uppercase; letter-spacing: 0.3px; }
.badge-green { background: #dcfce7; color: #166534; }
.badge-blue { background: #dbeafe; color: #1e40af; }
.badge-amber { background: #fef3c7; color: #92400e; }
.badge-red { background: #fee2e2; color: #991b1b; }

/* Stats */
.stats-row { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 24px; margin-bottom: 40px; }
.stat-item { text-align: center; }
.stat-item .stat-value { font-size: 2rem; font-weight: 800; color: var(--accent); line-height: 1; margin-bottom: 4px; }
.stat-item .stat-label { font-size: 0.85rem; color: var(--text-light); font-weight: 500; }

/* Content */
.content h2 { font-size: 1.5rem; font-weight: 700; color: var(--primary); margin: 40px 0 16px; }
.content h3 { font-size: 1.2rem; font-weight: 600; color: var(--text); margin: 28px 0 12px; }
.content p { margin-bottom: 14px; color: var(--text); line-height: 1.7; }
.content ul, .content ol { margin: 0 0 16px 24px; }
.content li { margin-bottom: 8px; color: var(--text); }
.content strong { color: var(--primary); }
.content blockquote { border-left: 4px solid var(--accent); background: var(--bg); padding: 16px 20px; border-radius: 0 var(--radius-sm) var(--radius-sm) 0; margin: 16px 0; font-style: italic; color: var(--text-light); }
.content a { text-decoration: underline; }

/* Breadcrumb nav */
.breadcrumb { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; font-size: 0.85rem; color: var(--text-light); margin-bottom: 24px; }
.breadcrumb a { color: var(--text-light); }
.breadcrumb a:hover { color: var(--accent); }
.breadcrumb .sep { opacity: 0.5; }

/* Template box */
.template-box { background: var(--bg); border: 1px solid var(--border); border-radius: var(--radius-md); padding: 20px; margin-bottom: 16px; font-family: 'Menlo', 'Monaco', monospace; font-size: 0.85rem; line-height: 1.7; white-space: pre-wrap; word-break: break-word; }
.template-box .template-label { font-family: var(--font); font-weight: 600; font-size: 0.8rem; color: var(--accent); text-transform: uppercase; letter-spacing: 0.5px; margin-bottom: 8px; display: block; }

/* Admin */
.admin-body { background: var(--bg); min-height: 100vh; }
.admin-body .nav-brand { margin: 0 auto; }
.admin-wrap { max-width: 900px; margin: 40px auto; padding: 0 24px; }
.admin-card { background: var(--white); border-radius: var(--radius-md); padding: 32px; box-shadow: var(--shadow); margin-bottom: 24px; }
.admin-card h2 { font-size: 1.3rem; font-weight: 700; margin-bottom: 20px; }
.admin-input { padding: 12px 16px; border: 1px solid var(--border); border-radius: var(--radius-sm); font-size: 1rem; font-family: inherit; width: 100%; margin-bottom: 12px; }
.admin-btn { padding: 12px 24px; background: var(--accent); color: var(--white); border: none; border-radius: var(--radius-sm); font-weight: 600; cursor: pointer; transition: var(--transition); }
.admin-btn:hover { background: var(--accent-light); }
.admin-btn-secondary { background: var(--primary); }
.admin-btn-secondary:hover { background: var(--primary-dark); }
.admin-table { width: 100%; margin-top: 20px; font-size: 0.9rem; }
.admin-table th, .admin-table td { padding: 10px 12px; text-align: left; }
.admin-table tr:nth-child(even) { background: var(--bg-alt); }
.admin-stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 16px; margin-bottom: 20px; }
.admin-stat { background: var(--bg); border-radius: var(--radius-sm); padding: 16px; text-align: center; }
.admin-stat .value { font-size: 1.5rem; font-weight: 700; color: var(--accent); }
.admin-stat .label { font-size: 0.8rem; color: var(--text-light); margin-top: 4px; }

/* Utility */
.text-center { text-align: center; }
.mt-1 { margin-top: 8px; } .mt-2 { margin-top: 16px; } .mt-3 { margin-top: 24px; } .mt-4 { margin-top: 32px; }
.mb-1 { margin-bottom: 8px; } .mb-2 { margin-bottom: 16px; } .mb-3 { margin-bottom: 24px; } .mb-4 { margin-bottom: 32px; }
.lead { font-size: 1.15rem; color: var(--text-light); }

/* Responsive */
@media (max-width: 768px) {
  .nav-links { display: none; position: absolute; top: 64px; left: 0; right: 0; background: var(--white); flex-direction: column; padding: 16px 24px; border-bottom: 1px solid var(--border); gap: 12px; }
  .nav-links.active { display: flex; }
  .nav-toggle { display: flex; }
  .hero { padding: 48px 0 40px; }
  .hero h1 { font-size: 1.8rem; }
  .hero-cta { flex-direction: column; }
  .hero-btn { width: 100%; justify-content: center; }
  .section { padding: 40px 0; }
  .capture-form { flex-direction: column; }
  .capture-form input { width: 100%; }
  .cta-banner { padding: 32px 20px; }
  .card-grid-3, .card-grid-2, .card-grid-4 { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
}

/* Inter font import */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&display=swap');