/* KardioFit Indonesia - Cardiorespiratory Health Styling */
:root {
  --crimson: #DC2626;
  --crimson-dark: #991B1B;
  --dark-slate: #111827;
  --dark-card: #1F2937;
  --light-bg: #F9FAFB;
  --border-slate: #E5E7EB;
  --text-dark: #111827;
  --text-muted: #4B5563;
  --font-heading: 'Archivo', sans-serif;
  --font-body: 'Inter', sans-serif;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
body { font-family: var(--font-body); background: var(--light-bg); color: var(--text-dark); line-height: 1.6; }
.container { max-width: 1140px; margin: 0 auto; padding: 0 20px; }

/* Top Notice */
.cardio-top { background: var(--dark-slate); color: #FCA5A5; font-size: 0.8rem; padding: 8px 0; border-bottom: 2px solid var(--crimson); }
.cardio-top-inner { display: flex; justify-content: space-between; align-items: center; }

/* Header */
.cardio-header { background: #FFFFFF; border-bottom: 1px solid var(--border-slate); position: sticky; top: 0; z-index: 100; box-shadow: 0 2px 10px rgba(220,38,38,0.05); }
.header-row { display: flex; justify-content: space-between; align-items: center; height: 74px; }
.cardio-brand { display: flex; align-items: center; gap: 12px; text-decoration: none; }
.brand-name-cf { font-family: var(--font-heading); font-size: 1.45rem; font-weight: 800; color: var(--dark-slate); letter-spacing: -0.5px; }
.brand-name-cf span { color: var(--crimson); }
.brand-sub-cf { font-size: 0.7rem; color: var(--text-muted); display: block; font-family: var(--font-body); }
.cardio-nav { display: flex; gap: 24px; list-style: none; align-items: center; }
.cardio-nav a { text-decoration: none; color: #1F2937; font-size: 0.92rem; font-weight: 600; transition: color 0.2s; }
.cardio-nav a:hover, .cardio-nav a.active { color: var(--crimson); }
.btn-crimson { background: var(--crimson); color: #FFFFFF; padding: 10px 22px; border-radius: 6px; font-weight: 700; font-size: 0.88rem; text-decoration: none; border: none; cursor: pointer; transition: background 0.2s; }
.btn-crimson:hover { background: var(--crimson-dark); }

/* Hero */
.cardio-hero { background: #111827; color: #FFFFFF; padding: 64px 0; border-bottom: 1px solid #374151; }
.hero-two-cf { display: grid; grid-template-columns: 1.2fr 0.8fr; gap: 40px; align-items: center; }
.cardio-badge { background: rgba(220,38,38,0.2); border: 1px solid var(--crimson); color: #FCA5A5; padding: 4px 12px; border-radius: 4px; font-size: 0.8rem; font-weight: 700; display: inline-block; margin-bottom: 14px; font-family: var(--font-heading); }
.hero-h1-cf { font-family: var(--font-heading); font-size: 2.6rem; font-weight: 800; line-height: 1.2; margin-bottom: 16px; }
.hero-p-cf { color: #D1D5DB; font-size: 1.05rem; margin-bottom: 24px; line-height: 1.6; }
.hero-img-cf { width: 100%; height: 350px; object-fit: cover; border-radius: 8px; border: 2px solid #374151; box-shadow: 0 10px 30px rgba(0,0,0,0.3); }

/* Grid & Cards */
.cardio-sec { padding: 60px 0; }
.cardio-title { text-align: center; max-width: 660px; margin: 0 auto 40px; }
.cardio-title h2 { font-family: var(--font-heading); font-size: 2rem; color: var(--dark-slate); margin-bottom: 10px; }
.cardio-title p { color: var(--text-muted); font-size: 0.95rem; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 28px; }
.cardio-card { background: #FFFFFF; border-radius: 8px; border: 1px solid var(--border-slate); padding: 24px; box-shadow: 0 4px 12px rgba(0,0,0,0.03); }
.cardio-card img { width: 100%; height: 200px; object-fit: cover; border-radius: 6px; margin-bottom: 16px; }
.cardio-card h3 { font-family: var(--font-heading); font-size: 1.25rem; color: var(--dark-slate); margin-bottom: 8px; }
.cardio-card p { color: var(--text-muted); font-size: 0.92rem; line-height: 1.6; }

/* Interactive Screener */
.risk-box { background: #FFFFFF; border-radius: 10px; border: 2px solid var(--crimson); padding: 34px; margin: 40px 0; box-shadow: 0 6px 20px rgba(220,38,38,0.06); }
.risk-box h3 { font-family: var(--font-heading); font-size: 1.45rem; color: var(--crimson); margin-bottom: 6px; }
.risk-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin: 20px 0; }
.risk-grp label { display: block; font-weight: 600; font-size: 0.85rem; margin-bottom: 6px; color: #111827; }
.risk-grp select, .risk-grp input { width: 100%; padding: 11px 14px; border-radius: 6px; border: 1px solid #D1D5DB; font-family: inherit; font-size: 0.92rem; }
.risk-output { background: #FEF2F2; border-left: 4px solid var(--crimson); padding: 18px; border-radius: 6px; margin-top: 20px; display: none; }

/* Footer */
.cardio-footer { background: #111827; color: #9CA3AF; padding: 50px 0 24px; font-size: 0.86rem; border-top: 3px solid var(--crimson); }
.cardio-foot-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1.2fr; gap: 30px; margin-bottom: 30px; }
.cardio-foot-grid h4 { color: #FFFFFF; font-family: var(--font-heading); font-size: 1.05rem; margin-bottom: 14px; }
.cardio-foot-grid ul { list-style: none; }
.cardio-foot-grid ul li { margin-bottom: 8px; }
.cardio-foot-grid ul a { color: #9CA3AF; text-decoration: none; }
.cardio-foot-grid ul a:hover { color: #FFFFFF; }
.cardio-copy { border-top: 1px solid #1F2937; padding-top: 20px; text-align: center; font-size: 0.78rem; }

/* Modal */
.modal-layer { position: fixed; inset: 0; background: rgba(0,0,0,0.7); display: none; align-items: center; justify-content: center; z-index: 1000; padding: 20px; }
.modal-pane-cf { background: #FFFFFF; border-radius: 8px; max-width: 500px; width: 100%; padding: 30px; position: relative; }
.close-cf { position: absolute; top: 16px; right: 18px; font-size: 1.5rem; border: none; background: transparent; cursor: pointer; color: #4B5563; }

/* Cookie */
.cookie-cf-bar { position: fixed; bottom: 0; left: 0; right: 0; background: #111827; color: #F9FAFB; padding: 12px 0; z-index: 999; font-size: 0.82rem; border-top: 2px solid var(--crimson); }
.cookie-flex { display: flex; justify-content: space-between; align-items: center; }

@media (max-width: 768px) {
  .hero-two-cf, .grid-3, .grid-2, .cardio-foot-grid, .risk-grid { grid-template-columns: 1fr; }
  .cardio-nav { display: none; }
}