/* HealthCalc - Apple-inspired: Full-width minimal cards */
:root {
    --primary: #0071e3;
    --primary-light: #2997ff;
    --accent: #1d1d1f;
    --bg: #ffffff;
    --bg-card: #f5f5f7;
    --bg-hover: #fbfbfd;
    --text: #1d1d1f;
    --text-secondary: rgba(0,0,0,0.48);
    --border: rgba(0,0,0,0.08);
    --radius: 20px;
    --gradient: linear-gradient(135deg, #0071e3, #2997ff);
    --shadow-card: rgba(0,0,0,0.03) 0px 2px 10px;
    --shadow-hover: rgba(0,0,0,0.08) 0px 8px 30px;
    --font-heading: -apple-system, BlinkMacSystemFont, 'SF Pro Display', 'Segoe UI', Roboto, sans-serif;
    --font-body: -apple-system, BlinkMacSystemFont, 'SF Pro Text', 'Segoe UI', Roboto, sans-serif;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--font-body);background:var(--bg);color:var(--text);line-height:1.5;-webkit-font-smoothing:antialiased}
.logo-icon,.tool-icon,.feature-icon,.footer-icon{display:inline-block;vertical-align:middle}
a{color:var(--primary);text-decoration:none;transition:color 0.2s}a:hover{color:var(--primary-light)}
.container{max-width:980px;margin:0 auto;padding:0 24px}
header{position:sticky;top:0;z-index:100;background:rgba(255,255,255,0.72);backdrop-filter:saturate(180%) blur(20px);border-bottom:1px solid var(--border)}
header nav{display:flex;align-items:center;justify-content:space-between;padding:12px 24px}
.logo{display:flex;align-items:center;gap:8px;font-size:1.2rem;font-weight:600;letter-spacing:-0.01em}.logo-icon{width:24px;height:24px;color:var(--primary)}
.nav-links{display:flex;list-style:none;gap:32px}.nav-links a{color:var(--text);font-weight:400;font-size:0.85rem;opacity:0.8}.nav-links a:hover{opacity:1}
.hero{text-align:center;padding:120px 24px 80px;background:#ffffff}
.hero h1{font-size:clamp(2.4rem,5.5vw,4rem);font-weight:700;margin-bottom:20px;letter-spacing:-0.03em}
.gradient-text{background:var(--gradient);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.hero-subtitle{color:var(--text-secondary);max-width:500px;margin:0 auto 0;font-size:1.2rem;line-height:1.4}
.search-bar{display:none}
.section-title{font-size:1.8rem;font-weight:700;margin:80px 0 40px;text-align:center;letter-spacing:-0.02em}
.tools-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px;padding-bottom:80px}
.tool-card{display:block;background:var(--bg-card);border:none;border-radius:var(--radius);padding:36px 32px;transition:all 0.3s;text-align:center}
.tool-card:hover{transform:scale(1.03);box-shadow:var(--shadow-hover)}
.tool-icon{width:48px;height:48px;margin-bottom:16px;color:var(--primary)}.tool-card h3{font-size:1.1rem;margin-bottom:8px;font-weight:600;letter-spacing:-0.01em}.tool-card p{font-size:0.85rem;color:var(--text-secondary);line-height:1.5}
.tool-card.hidden{display:none}
.features-grid{display:none}
.ad-container{min-height:90px;margin:20px auto;display:flex;align-items:center;justify-content:center}
footer{margin-top:48px;border-top:1px solid var(--border);padding:40px 0 20px;background:#f5f5f7}
.footer-content{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:28px;margin-bottom:28px}
.footer-col h4{font-size:0.85rem;margin-bottom:14px;font-weight:600;display:flex;align-items:center;gap:8px}.footer-icon{width:16px;height:16px;color:var(--primary)}
.footer-col p,.footer-col a{font-size:0.8rem;color:var(--text-secondary)}.footer-col ul{list-style:none}.footer-col li{margin-bottom:8px}
.footer-bottom{text-align:center;padding-top:20px;border-top:1px solid var(--border);color:var(--text-secondary);font-size:0.75rem}
.legal-page,.tool-page{max-width:800px;margin:48px auto;padding:0 24px}.legal-page h1{font-size:2rem;margin-bottom:24px;font-weight:700;letter-spacing:-0.02em}.legal-page h2{font-size:1.2rem;margin:28px 0 12px;font-weight:600}.legal-page p{color:var(--text-secondary);line-height:1.7;margin-bottom:12px}
.content-section{margin-top:36px;padding-top:36px;border-top:1px solid var(--border)}.content-section h2{font-size:1.3rem;margin:24px 0 12px;font-weight:600}.content-section p{color:var(--text-secondary);line-height:1.7;margin-bottom:12px}.content-section ul{color:var(--text-secondary);padding-left:20px;margin-bottom:12px}.content-section li{margin-bottom:6px}
.cta-box{margin:36px 0;padding:32px;background:var(--bg-card);border-radius:var(--radius);text-align:center}
.cta-btn{display:inline-block;padding:14px 32px;border-radius:980px;color:white;font-weight:500;background:var(--primary);text-decoration:none;transition:all 0.2s}.cta-btn:hover{background:var(--primary-light)}
@media(max-width:768px){.nav-links{display:none}.tools-grid{grid-template-columns:1fr}}