/* SummitKit - Rock Climbing Tools & Guides */
@import url('https://fonts.googleapis.com/css2?family=Montserrat:wght@600;700;800&family=Open+Sans:wght@400;500;600&display=swap');

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

:root {
  --primary: #1a1a2e;
  --secondary: #e94560;
  --accent: #f39c12;
  --light: #f8f9fa;
  --dark: #0f0f1a;
  --text: #e8e8e8;
  --card-bg: #1e1e3f;
  --border: #2d2d5a;
  --radius: 12px;
  --font-head: 'Montserrat', sans-serif;
  --font-body: 'Open Sans', sans-serif;
}

body {
  background: var(--dark);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
}

h1, h2, h3, h4, h5, h6 { font-family: var(--font-head); font-weight: 700; }

a { color: var(--secondary); text-decoration: none; transition: color 0.2s; }
a:hover { color: var(--accent); }

.container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }

.site-header {
  background: var(--primary);
  position: sticky; top: 0; z-index: 100;
  border-bottom: 1px solid var(--border);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; max-width: 1200px; margin: 0 auto; padding: 0 20px; height: 60px; }
.logo { font-family: var(--font-head); font-weight: 800; font-size: 1.2rem; color: #fff; }
.logo-icon { margin-right: 8px; }
.main-nav { display: flex; gap: 0; }
.main-nav a { color: var(--text); padding: 18px 14px; font-weight: 600; font-size: 0.88rem; border-bottom: 3px solid transparent; }
.main-nav a:hover, .main-nav a.active { color: var(--secondary); border-bottom-color: var(--secondary); }
.mobile-toggle { display: none; background: none; border: none; color: #fff; font-size: 1.5rem; cursor: pointer; }

.hero {
  background: linear-gradient(135deg, var(--primary) 0%, var(--dark) 60%, #2a1a3e 100%);
  padding: 80px 0 60px;
  text-align: center;
  border-bottom: 3px solid var(--secondary);
}
.hero h1 { font-size: 3rem; font-weight: 800; color: #fff; margin-bottom: 16px; letter-spacing: -1px; }
.hero p { font-size: 1.15rem; color: #ccc; max-width: 600px; margin: 0 auto 28px; }
.hero-btns { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }
.btn-primary { background: var(--secondary); color: #fff; border: none; padding: 12px 28px; border-radius: 8px; font-weight: 700; cursor: pointer; font-size: 1rem; display: inline-block; transition: background 0.2s, transform 0.2s; }
.btn-primary:hover { background: #d63850; transform: translateY(-2px); }
.btn-secondary { background: transparent; color: var(--accent); border: 2px solid var(--accent); padding: 10px 26px; border-radius: 8px; font-weight: 700; cursor: pointer; font-size: 1rem; display: inline-block; transition: all 0.2s; }
.btn-secondary:hover { background: rgba(243,156,18,0.1); }
.hero-stats { display: flex; gap: 40px; justify-content: center; margin-top: 40px; }
.stat { text-align: center; }
.stat-num { font-size: 2.2rem; font-weight: 800; color: var(--accent); font-family: var(--font-head); }
.stat-label { font-size: 0.85rem; color: #aaa; text-transform: uppercase; letter-spacing: 1px; }

.section { padding: 60px 0; }
.section-title { text-align: center; margin-bottom: 40px; }
.section-title h2 { font-size: 2rem; color: #fff; margin-bottom: 10px; }
.section-title p { color: #aaa; font-size: 1rem; }

.tools-grid, .articles-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 20px; }

.tool-card, .article-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  transition: border-color 0.2s, transform 0.2s;
}
.tool-card:hover, .article-card:hover { border-color: var(--secondary); transform: translateY(-4px); }
.tool-icon { font-size: 2.4rem; margin-bottom: 12px; }
.tool-card h3 { color: var(--accent); font-size: 1rem; margin-bottom: 8px; }
.tool-card p { color: #aaa; font-size: 0.85rem; margin-bottom: 12px; }
.tool-link { color: var(--secondary); font-weight: 600; font-size: 0.85rem; }

.article-card { padding: 0; overflow: hidden; }
.article-img { width: 100%; height: 200px; object-fit: cover; }
.article-body { padding: 20px; }
.article-category { display: inline-block; background: var(--secondary); color: #fff; padding: 3px 12px; border-radius: 20px; font-size: 0.72rem; font-weight: 600; text-transform: uppercase; }
.article-card h3 { color: var(--accent); font-size: 1rem; margin: 8px 0; }
.article-card p { color: #aaa; font-size: 0.85rem; }

.breadcrumb { padding: 16px 0; color: #888; font-size: 0.85rem; }
.breadcrumb a { color: var(--secondary); }
.breadcrumb span { margin: 0 8px; }

.tool-detail { background: var(--card-bg); border-radius: 16px; padding: 32px; border: 1px solid var(--border); }
.tool-header { display: flex; align-items: center; gap: 20px; margin-bottom: 24px; }
.tool-icon-lg { font-size: 3rem; }
.tool-category { display: inline-block; background: var(--secondary); color: #fff; padding: 4px 14px; border-radius: 20px; font-size: 0.8rem; font-weight: 600; }
.tool-detail h1 { font-size: 1.8rem; color: #fff; margin: 8px 0; }
.tool-detail > p { color: #aaa; margin-bottom: 24px; }

.form-group { margin-bottom: 16px; }
.form-group label { display: block; color: #ccc; margin-bottom: 6px; font-weight: 600; font-size: 0.9rem; }
.form-group input, .form-group select { width: 100%; padding: 10px 14px; border: 2px solid var(--border); border-radius: 8px; background: var(--dark); color: #fff; font-size: 1rem; font-family: var(--font-body); }
.form-group input:focus, .form-group select:focus { outline: none; border-color: var(--secondary); }
select option { background: var(--dark); }

.info-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-top: 24px; }
.info-card { background: var(--dark); border-radius: 10px; padding: 18px; border-left: 4px solid var(--accent); }
.info-card h4 { color: var(--accent); font-size: 0.9rem; margin-bottom: 8px; font-family: var(--font-head); }
.info-card .value { font-size: 1.8rem; font-weight: 800; color: #fff; font-family: var(--font-head); }
.info-card .unit { font-size: 0.8rem; color: #aaa; }

.result-box { background: var(--dark); border-radius: 10px; padding: 16px; margin-top: 16px; color: #ccc; border-left: 4px solid var(--secondary); }

.article-detail { background: var(--card-bg); border-radius: 16px; padding: 40px; border: 1px solid var(--border); }
.featured-img { width: 100%; height: 400px; object-fit: cover; border-radius: var(--radius); margin-bottom: 24px; }
.article-meta { color: #888; font-size: 0.85rem; margin-bottom: 20px; }

.article-content { line-height: 1.9; color: #ccc; }
.article-content h2 { color: var(--accent); font-size: 1.3rem; margin: 32px 0 12px; font-family: var(--font-head); }
.article-content h3 { color: var(--secondary); font-size: 1.1rem; margin: 24px 0 10px; }
.article-content p { margin-bottom: 16px; }
.article-content ul, .article-content ol { margin: 16px 0; padding-left: 24px; }
.article-content li { margin-bottom: 8px; }

.tip-box { background: rgba(233,69,96,0.08); border: 2px solid var(--secondary); border-radius: 10px; padding: 16px 20px; margin: 24px 0; color: #fff; }
.tip-box strong { color: var(--secondary); }
.tip-box p { margin: 0; }

.related-links { margin-top: 32px; padding-top: 24px; border-top: 1px solid var(--border); }
.related-links h3 { color: var(--accent); margin-bottom: 12px; font-size: 1rem; }
.related-links a { color: var(--secondary); margin-right: 16px; font-size: 0.9rem; }

.page-content { background: var(--card-bg); border-radius: 16px; padding: 40px; border: 1px solid var(--border); }
.page-content h2 { color: var(--accent); font-size: 1.4rem; margin: 32px 0 12px; font-family: var(--font-head); }
.page-content h3 { color: var(--secondary); font-size: 1.1rem; margin: 24px 0 10px; }
.page-content p { color: #ccc; margin-bottom: 16px; }
.page-content ul { color: #ccc; padding-left: 24px; margin-bottom: 16px; }
.page-content li { margin-bottom: 8px; }
.page-content strong { color: #fff; }

.site-footer { background: var(--dark); padding: 48px 0 0; border-top: 3px solid var(--secondary); }
.footer-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; max-width: 1200px; margin: 0 auto; padding: 0 20px; }
.footer-col h4 { color: var(--accent); margin-bottom: 16px; font-size: 0.95rem; font-family: var(--font-head); }
.footer-col ul { list-style: none; }
.footer-col li { margin-bottom: 10px; }
.footer-col a { color: #aaa; font-size: 0.88rem; transition: color 0.2s; }
.footer-col a:hover { color: var(--secondary); }
.footer-bottom { text-align: center; padding: 24px; border-top: 1px solid var(--border); color: #555; font-size: 0.82rem; margin-top: 32px; }
.footer-bottom a { color: #777; }
.footer-bottom a:hover { color: var(--secondary); }

@media (max-width: 768px) {
  .main-nav { display: none; flex-direction: column; position: absolute; top: 60px; left: 0; right: 0; background: var(--primary); border-bottom: 1px solid var(--border); padding: 10px 0; }
  .main-nav.active { display: flex; }
  .main-nav a { padding: 12px 20px; border-bottom: none; }
  .mobile-toggle { display: block; }
  .hero h1 { font-size: 2rem; }
  .hero-stats { gap: 20px; flex-wrap: wrap; }
  .tools-grid, .articles-grid { grid-template-columns: 1fr; }
  .info-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .article-detail, .page-content { padding: 20px; }
  .featured-img { height: 220px; }
  .tool-header { flex-direction: column; align-items: flex-start; }
  .tool-detail { padding: 24px; }
}