/* MedBill Auditor — Design System */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:'Inter',-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;font-size:16px;line-height:1.5;color:#111;background:#fff;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
ul{list-style:none}
button{font-family:inherit;cursor:pointer;border:none;background:none}
.container{width:100%;max-width:1120px;margin:0 auto;padding:0 24px}
.brand-stripe{position:fixed;left:0;top:0;bottom:0;width:6px;background:#1a3a5c;z-index:1000}
.site-header{position:sticky;top:0;z-index:100;background:rgba(255,255,255,.95);backdrop-filter:blur(12px);border-bottom:1px solid #e8ecf0}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:68px}
.logo{font-size:22px;font-weight:800;color:#1a3a5c;letter-spacing:-.5px}
.header-nav{display:flex;align-items:center;gap:28px}
.header-nav a{font-size:14px;font-weight:500;color:#555;transition:color .2s}
.header-nav a:hover{color:#1a3a5c}
.login-link{padding:8px 20px;border:1.5px solid #d0d5dd;border-radius:8px;font-weight:600;font-size:14px;color:#1a3a5c!important;transition:all .2s}
.login-link:hover{border-color:#1a3a5c;background:#f5f8fc}
.hamburger{display:none;flex-direction:column;gap:5px;padding:8px}
.hamburger span{width:22px;height:2px;background:#1a3a5c;border-radius:2px}
.section{padding:80px 0}
.section-alt{background:#f8fafc}
.section-label{display:inline-block;font-size:12px;font-weight:700;letter-spacing:1.5px;text-transform:uppercase;color:#1a3a5c;margin-bottom:12px}
.section-title{font-size:34px;font-weight:800;line-height:1.2;color:#111;margin-bottom:48px;max-width:600px}
.hero{padding:56px 0 64px}
.hero-inner{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:center}
.hero-headline{font-size:52px;font-weight:900;line-height:1.08;color:#111;letter-spacing:-.03em;margin-bottom:20px}
.hero-headline-em{color:#1a3a5c}
.teal-em{color:#15a077}
.hero-subtext{font-size:18px;line-height:1.5;color:#555;margin-bottom:28px;max-width:480px}
.upload-zone{display:inline-flex;align-items:center;gap:10px;padding:14px 28px;background:#15a077;color:#fff;border-radius:10px;cursor:pointer;transition:all .2s;font-size:16px;font-weight:600}
.upload-zone:hover{background:#118b68;transform:translateY(-1px);box-shadow:0 4px 12px rgba(21,160,119,.3)}
.upload-zone-content{display:flex;align-items:center;gap:10px}
.email-option{margin-top:12px;font-size:14px;color:#777}
.email-link{color:#1a3a5c;font-weight:600;text-decoration:underline}
.hero-badge-row{display:flex;gap:12px;flex-wrap:wrap;margin-top:16px}
.hero-badge{font-size:12px;font-weight:600;color:#555;padding:4px 12px;border:1px solid #e0e4e8;border-radius:20px}
.bill-card{background:#fff;border:1px solid #e0e4e8;border-radius:14px;padding:20px;box-shadow:0 8px 32px rgba(0,0,0,.06);position:relative}
.bill-card-header{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.bill-card-dots{display:flex;gap:5px}
.bill-card-dots span{width:10px;height:10px;border-radius:50%;background:#e0e4e8}
.bill-card-dots span:nth-child(1){background:#ff5f57}
.bill-card-dots span:nth-child(2){background:#febc2e}
.bill-card-dots span:nth-child(3){background:#28c840}
.bill-card-title{font-size:13px;font-weight:700;color:#333;margin-left:auto}
.bill-card-subtitle{font-size:11px;color:#999}
.bill-card-body{font-size:13px}
.bill-card-row{display:flex;justify-content:space-between;padding:4px 0}
.bill-card-row span:last-child{font-weight:600}
.bill-divider{height:1px;background:#e8ecf0;margin:6px 0}
.bill-total{font-size:15px;font-weight:700}
.bill-total span:last-child{color:#d32f2f}
.savings-badge{position:absolute;right:-16px;bottom:-16px;width:120px;height:120px;border-radius:50%;background:#15a077;color:#fff;display:flex;flex-direction:column;align-items:center;justify-content:center;box-shadow:0 4px 16px rgba(21,160,119,.35)}
.savings-badge-label{font-size:8px;font-weight:700;letter-spacing:1px}
.savings-badge-amount{font-size:20px;font-weight:900}
.savings-badge-sub{font-size:9px;font-weight:700;letter-spacing:1px}
.stats-strip{border-top:1px solid #e0e4e8;border-bottom:1px solid #e0e4e8;padding:32px 0}
.stats-inner{display:grid;grid-template-columns:1fr auto 1fr auto 1fr;align-items:center}
.stat-card{text-align:center}
.stat-number{font-size:40px;font-weight:900;color:#1a3a5c;line-height:1;margin-bottom:6px}
.stat-text{font-size:13px;color:#555}
.stat-source{font-size:11px;color:#999;margin-top:4px;font-style:italic}
.stat-divider{width:1px;height:60px;background:#e0e4e8;margin:0 48px}
.steps-grid{display:grid;grid-template-columns:1fr auto 1fr auto 1fr;align-items:start}
.step-card{text-align:center;padding:24px 16px}
.step-number{width:48px;height:48px;border:2px solid #1a3a5c;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:18px;font-weight:800;color:#1a3a5c;margin:0 auto 16px}
.step-title{font-size:18px;font-weight:700;margin-bottom:8px;color:#111}
.step-desc{font-size:14px;color:#666;line-height:1.6}
.step-arrow{display:flex;align-items:center;justify-content:center;padding-top:48px}
.detect-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.detect-card{background:#fff;border:1px solid #e8ecf0;border-radius:12px;padding:28px 24px;transition:all .25s}
.detect-card:hover{border-color:#1a3a5c;box-shadow:0 4px 16px rgba(26,58,92,.08)}
.detect-title{font-size:17px;font-weight:700;margin-bottom:8px;color:#111}
.detect-desc{font-size:13px;color:#666;line-height:1.6;margin-bottom:12px}
.detect-frequency{font-size:11px;font-weight:600;text-transform:uppercase;letter-spacing:.8px;padding:3px 10px;border-radius:12px;display:inline-block}
.detect-upcoding .detect-frequency{background:#fef2f2;color:#dc2626}
.detect-unbundling .detect-frequency{background:#fffbeb;color:#d97706}
.detect-duplicate .detect-frequency{background:#fef2f2;color:#dc2626}
.detect-modifier .detect-frequency{background:#fffbeb;color:#d97706}
.detect-balance .detect-frequency{background:#eff6ff;color:#2563eb}
.detect-denial .detect-frequency{background:#f0fdf4;color:#16a34a}
.case-study-inner{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}
.testimonial-quote{font-size:22px;font-weight:600;line-height:1.4;color:#111;margin-bottom:8px}
.testimonial-attribution{font-size:14px;color:#777}
.before-after{display:flex;align-items:center;gap:20px;padding:28px;background:#f8fafc;border-radius:12px;border:1px solid #e8ecf0}
.before-after-amount{font-size:28px;font-weight:900}
.before{color:#dc2626}.after{color:#15a077}
.before-after-savings{background:#e8f5ee;padding:10px 18px;border-radius:8px;text-align:center}
.savings-label{font-size:11px;font-weight:600;color:#15a077;text-transform:uppercase}
.savings-amount{font-size:22px;font-weight:900;color:#15a077}
.trust-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.trust-card{text-align:center;padding:16px}
.trust-title{font-size:15px;font-weight:700;margin-bottom:6px;color:#111}
.trust-desc{font-size:13px;color:#666;line-height:1.6}
.pricing-inner{display:grid;grid-template-columns:1fr 1.2fr;gap:48px;align-items:start}
.pricing-headline{font-size:34px;font-weight:800;line-height:1.2;color:#111;margin-bottom:12px}
.pricing-cards{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.pricing-card{border:1.5px solid #e0e4e8;border-radius:14px;padding:28px 24px;position:relative}
.pricing-card.featured{border-color:#15a077;box-shadow:0 0 0 1px #15a077,0 4px 20px rgba(21,160,119,.12)}
.pricing-badge{position:absolute;top:-12px;left:50%;transform:translateX(-50%);background:#15a077;color:#fff;font-size:10px;font-weight:700;padding:4px 16px;border-radius:20px}
.pricing-name{font-size:12px;font-weight:700;color:#1a3a5c;letter-spacing:1px;margin-bottom:16px}
.price-amount{font-size:36px;font-weight:900;color:#111}
.price-period{font-size:13px;color:#888}
.pricing-features li{display:flex;align-items:center;gap:8px;font-size:14px;color:#555;padding:4px 0}
.btn{display:inline-block;padding:12px 28px;border-radius:10px;font-size:15px;font-weight:600;text-align:center;transition:all .2s}
.btn-outline{border:1.5px solid #1a3a5c;color:#1a3a5c;background:transparent}
.btn-outline:hover{background:#f5f8fc}
.btn-primary{background:#15a077;color:#fff;border:1.5px solid #15a077}
.btn-primary:hover{background:#118b68;box-shadow:0 4px 12px rgba(21,160,119,.3)}
.faq-item{border-bottom:1px solid #e0e4e8}
.faq-question{display:flex;justify-content:space-between;align-items:center;padding:18px 0;font-size:16px;font-weight:600;color:#111;cursor:pointer;list-style:none}
.faq-question::-webkit-details-marker{display:none}
.faq-question svg{transition:transform .25s}
.faq-item[open] .faq-question svg{transform:rotate(180deg)}
.faq-answer{padding:0 0 18px;font-size:14px;color:#555;line-height:1.7}
.section-cta{background:#1a3a5c;color:#fff;text-align:center;padding:72px 0}
.cta-headline{font-size:36px;font-weight:800;line-height:1.2;margin-bottom:12px}
.cta-desc{font-size:16px;color:rgba(255,255,255,.7);margin-bottom:28px}
.site-footer{background:#0f1a2a;color:rgba(255,255,255,.6);padding:48px 0 32px}
.footer-inner{display:grid;grid-template-columns:2fr 1fr auto;gap:48px}
.footer-logo{font-size:20px;font-weight:800;color:#fff;margin-bottom:8px;display:block}
.footer-copy{font-size:12px}
.footer-disclaimer{font-size:11px;line-height:1.5}
.footer-links{display:grid;grid-template-columns:1fr 1fr;gap:32px}
.footer-col h4{font-size:12px;font-weight:700;text-transform:uppercase;letter-spacing:1px;color:rgba(255,255,255,.5);margin-bottom:12px}
.footer-col a{display:block;font-size:13px;color:rgba(255,255,255,.6);padding:4px 0}
.footer-col a:hover{color:#fff}
.footer-badge{text-align:center}
.footer-badge span{display:block;font-size:11px;color:rgba(255,255,255,.6)}
.upload-hero{padding:60px 0}
.upload-title{font-size:36px;font-weight:800;margin-bottom:8px}
.upload-zone-lg{border:2px dashed #c0c8d0;border-radius:16px;padding:56px 24px;text-align:center;cursor:pointer;transition:all .25s;background:#fafbfc}
.upload-zone-lg:hover,.upload-zone-lg.dragover{border-color:#1a3a5c;background:#f0f4f8}
.upload-progress{margin-top:24px}
.progress-bar-track{width:100%;height:6px;background:#e8ecf0;border-radius:3px;overflow:hidden}
.progress-bar-fill{height:100%;background:linear-gradient(90deg,#1a3a5c,#15a077);width:0%;transition:width .5s}
.status-spinner svg{animation:spin 1.5s linear infinite;margin:0 auto}
@keyframes spin{to{transform:rotate(360deg)}}
.status-title{font-size:28px;font-weight:800;margin-bottom:8px}
.status-step{display:flex;align-items:center;gap:12px;padding:12px 0;font-size:15px;color:#999}
.status-step.completed{color:#15a077}
.status-step.active{color:#1a3a5c;font-weight:600}

/* Responsive */
@media(max-width:1024px){.hero-inner{grid-template-columns:1fr;gap:40px}.pricing-inner{grid-template-columns:1fr}}
@media(max-width:900px){.stats-inner{grid-template-columns:1fr}.stat-divider{display:none}.trust-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:768px){.section{padding:56px 0}.hero-headline{font-size:36px}.steps-grid{grid-template-columns:1fr}.step-arrow{display:none}.detect-grid{grid-template-columns:1fr}.case-study-inner{grid-template-columns:1fr}.pricing-cards{grid-template-columns:1fr}.footer-inner{grid-template-columns:1fr}.header-nav a:not(.login-link){display:none}.hamburger{display:flex}}
@media(max-width:480px){.hero-headline{font-size:28px}.savings-badge{width:90px;height:90px;right:-8px;bottom:-8px}.trust-grid{grid-template-columns:1fr}}
