/* ============================================
   AUTOSCAN AI — style.css
   Palette: white paper, ink, steel, diagnostic-blue, verdict red/green
   ============================================ */

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
:root{
  --paper:#ffffff;
  --paper2:#f7f8fa;
  --ink:#14181f;
  --steel:#3d4a5c;
  --steel-soft:#6b7686;
  --line:#e3e6ea;
  --line2:#d3d8de;
  --signal:#2563eb;
  --signal-soft:rgba(37,99,235,0.1);
  --stock-green:#1a7f5a;
  --stock-green-soft:rgba(26,127,90,0.08);
  --danger:#d1453b;
  --danger-soft:rgba(209,69,59,0.08);
  --warn:#c98a12;
  --warn-soft:rgba(201,138,18,0.1);
  --radius:14px;
  --mono:'IBM Plex Mono',monospace;
  --display:'Archivo',sans-serif;
  --body:'Inter',sans-serif;
}

html{scroll-behavior:smooth}
body{font-family:var(--body);background:var(--paper);color:var(--ink);overflow-x:hidden;line-height:1.6}

/* ══════════════════════════
   NAVBAR
══════════════════════════ */
nav{
  position:fixed;top:0;left:0;right:0;z-index:100;
  padding:0 40px;height:68px;
  display:grid;grid-template-columns:1fr auto 1fr;align-items:center;
  border-bottom:1px solid var(--line);
  background:rgba(255,255,255,0.9);backdrop-filter:blur(16px);
}
.nav-logo{
  font-family:var(--display);font-size:21px;font-weight:800;
  letter-spacing:-0.5px;color:var(--ink);text-decoration:none;
  display:flex;align-items:center;gap:9px;
}
.nav-logo .logo-mark{
  width:28px;height:28px;background:var(--ink);border-radius:7px;
  display:inline-flex;align-items:center;justify-content:center;
  font-size:14px;font-weight:900;color:var(--paper);
  font-family:var(--display);flex-shrink:0;
}
.nav-links{display:flex;gap:4px;list-style:none;justify-content:center}
.nav-links a{
  font-size:14px;font-weight:500;color:var(--steel-soft);text-decoration:none;
  transition:all 0.2s;padding:7px 14px;border-radius:8px;
}
.nav-links a:hover{color:var(--ink);background:var(--paper2)}
.nav-cta{display:flex;gap:10px;align-items:center;justify-content:flex-end}
.nav-right{display:flex;align-items:center;justify-content:flex-end;gap:10px}

/* BUTTONS */
.btn-ghost{
  padding:8px 18px;border-radius:20px;border:1px solid var(--line2);
  background:transparent;color:var(--steel);font-family:inherit;font-size:14px;
  font-weight:600;cursor:pointer;text-decoration:none;transition:all 0.2s;
  display:inline-flex;align-items:center;
}
.btn-ghost:hover{color:var(--ink);border-color:var(--ink)}
.btn-primary{
  padding:9px 20px;border-radius:20px;border:none;background:var(--ink);
  color:var(--paper);font-family:inherit;font-size:14px;font-weight:700;cursor:pointer;
  text-decoration:none;transition:all 0.2s;display:inline-flex;align-items:center;gap:6px;
}
.btn-primary:hover{background:var(--signal);transform:translateY(-1px)}
.btn-lg{padding:15px 32px;font-size:16px;border-radius:14px;display:inline-flex;align-items:center;gap:10px}

/* HAMBURGER */
.hamburger{display:none;flex-direction:column;gap:5px;background:none;border:none;cursor:pointer;padding:4px}
.hamburger span{display:block;width:22px;height:2px;background:var(--steel);border-radius:2px;transition:all 0.3s}
.hamburger.open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.hamburger.open span:nth-child(2){opacity:0}
.hamburger.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* MOBILE NAV */
.mobile-nav{
  display:none;position:fixed;top:68px;left:0;right:0;
  background:var(--paper);border-bottom:1px solid var(--line);
  flex-direction:column;z-index:99;
  transform:translateY(-110%);transition:transform 0.3s ease;
}
.mobile-nav.open{transform:translateY(0)}
.mobile-link{
  padding:16px 24px;color:var(--steel);text-decoration:none;
  font-size:15px;border-bottom:1px solid var(--line);transition:all 0.2s;
}
.mobile-link:hover{color:var(--ink);background:var(--paper2)}
.mobile-cta{background:var(--ink);color:var(--paper) !important;font-weight:700;text-align:center}

/* ══════════════════════════
   HERO
══════════════════════════ */
.hero{
  min-height:100vh;display:flex;flex-direction:column;
  align-items:center;justify-content:center;
  text-align:center;padding:130px 24px 80px;
  position:relative;overflow:hidden;
}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;
  background:var(--paper2);border:1px solid var(--line2);
  color:var(--steel);border-radius:100px;padding:6px 16px;
  font-size:13px;font-weight:500;margin-bottom:32px;
}
.dot{width:6px;height:6px;border-radius:50%;background:var(--signal);animation:pulse 2s infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:0.3}}

.hero h1{
  font-family:var(--display);
  font-size:clamp(40px,7vw,76px);font-weight:800;
  letter-spacing:-2.5px;line-height:1.05;margin-bottom:24px;max-width:880px;
}
.hero h1 em{font-style:normal;color:var(--signal)}
.hero-sub{
  font-size:clamp(16px,2vw,18px);color:var(--steel);
  max-width:540px;line-height:1.75;margin-bottom:44px;font-weight:400;
}
.hero-actions{display:flex;gap:14px;justify-content:center;flex-wrap:wrap;margin-bottom:64px}

/* SCAN VISUAL (signature element — replaces StockMate's shelf) */
.hero-visual{max-width:820px;width:100%;position:relative}
.scan-wrap{
  background:var(--paper);border:1px solid var(--line);border-radius:20px;
  overflow:hidden;box-shadow:0 20px 60px rgba(20,24,31,0.08);
  text-align:left;
}
.scan-bar{
  background:var(--paper2);padding:12px 20px;
  border-bottom:1px solid var(--line);display:flex;align-items:center;gap:8px;
}
.scan-dots{display:flex;gap:6px}
.scan-dot{width:10px;height:10px;border-radius:50%}
.scan-label{
  font-family:var(--mono);font-size:11px;color:var(--steel-soft);
  margin-left:6px;letter-spacing:0.2px;
}
.scan-frame{
  position:relative;margin:20px 24px;border-radius:14px;overflow:hidden;
  background:var(--paper2);border:1px solid var(--line);
  aspect-ratio:16/8;display:flex;align-items:center;justify-content:center;
}
.scan-car-icon{font-size:64px;opacity:0.15;color:var(--ink)}
.scan-corner{position:absolute;width:26px;height:26px;border:2px solid var(--signal)}
.scan-corner.tl{top:14px;left:14px;border-right:none;border-bottom:none}
.scan-corner.tr{top:14px;right:14px;border-left:none;border-bottom:none}
.scan-corner.bl{bottom:14px;left:14px;border-right:none;border-top:none}
.scan-corner.br{bottom:14px;right:14px;border-left:none;border-top:none}
.scan-line{
  position:absolute;left:14px;right:14px;height:2px;background:var(--signal);
  box-shadow:0 0 12px rgba(37,99,235,0.6);animation:scan-sweep 2.6s ease-in-out infinite;
}
@keyframes scan-sweep{0%,100%{top:14px}50%{top:calc(100% - 16px)}}
.scan-tag{
  position:absolute;bottom:26px;left:34px;background:var(--paper);border:1px solid var(--line);
  border-radius:8px;padding:6px 12px;font-family:var(--mono);font-size:11px;color:var(--steel);
  display:flex;align-items:center;gap:8px;box-shadow:0 6px 18px rgba(20,24,31,0.1);
}
.scan-tag .sdot{width:7px;height:7px;border-radius:50%;background:var(--danger)}
.scan-results{padding:6px 24px 22px;display:flex;flex-direction:column;gap:14px}
.scan-row{display:grid;grid-template-columns:100px 1fr 90px;align-items:center;gap:14px}
.scan-region{font-family:var(--mono);font-size:11px;color:var(--steel-soft)}
.scan-conf-track{height:8px;border-radius:4px;background:var(--paper2);border:1px solid var(--line);overflow:hidden}
.scan-conf-fill{height:100%;border-radius:4px}
.scan-conf-fill.dmg{background:var(--danger)}
.scan-conf-fill.ok{background:var(--stock-green)}
.scan-pct{font-family:var(--mono);font-size:12px;color:var(--steel);text-align:right}
.scan-verdict{
  margin:16px 24px 24px;padding:12px 16px;border-radius:10px;
  background:var(--danger-soft);border:1px solid rgba(209,69,59,0.2);
  font-size:13px;color:var(--ink);display:flex;align-items:center;gap:10px;
}
.verdict-dot{width:8px;height:8px;border-radius:50%;background:var(--danger);flex-shrink:0}

/* ══════════════════════════
   TICKER
══════════════════════════ */
.ticker-section{
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);
  background:var(--paper2);padding:18px 0;overflow:hidden;white-space:nowrap;
}
.ticker-track{display:inline-flex;gap:40px;animation:scroll-left 32s linear infinite}
@keyframes scroll-left{from{transform:translateX(0)}to{transform:translateX(-50%)}}
.ticker-item{font-size:14px;color:var(--steel);display:inline-flex;align-items:center;gap:8px}
.t-icon{color:var(--signal);font-size:13px}

/* ══════════════════════════
   SECTION HEAD (shared)
══════════════════════════ */
.section-label{
  font-family:var(--mono);font-size:12px;color:var(--signal);
  letter-spacing:0.5px;font-weight:600;
}
.section-h2{
  font-family:var(--display);font-size:clamp(28px,4vw,44px);font-weight:800;
  letter-spacing:-1.5px;line-height:1.15;margin:14px 0 14px;color:var(--ink);
}
.section-sub{font-size:15px;color:var(--steel);max-width:480px;line-height:1.7}
.section-head{text-align:center;max-width:640px;margin:0 auto 56px}
.section-head .section-sub{margin:0 auto}

/* ══════════════════════════
   FEATURES
══════════════════════════ */
.features-section{padding:120px 40px;max-width:1100px;margin:0 auto}
.features-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.feat-card{
  background:var(--paper);border:1px solid var(--line);border-radius:16px;padding:26px;
  transition:border-color 0.2s,transform 0.2s;
}
.feat-card:hover{border-color:var(--line2);transform:translateY(-2px)}
.feat-featured{border-color:var(--signal);background:var(--signal-soft)}
.feat-icon{
  width:38px;height:38px;border-radius:9px;background:var(--paper2);
  border:1px solid var(--line);display:flex;align-items:center;justify-content:center;
  font-size:17px;margin-bottom:16px;color:var(--ink);
}
.feat-card h4{font-size:16px;font-weight:700;margin-bottom:8px;color:var(--ink)}
.feat-card p{font-size:13.5px;color:var(--steel);line-height:1.65}

/* ══════════════════════════
   HOW IT WORKS
══════════════════════════ */
.how-section{padding:120px 40px;background:var(--paper2);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.how-inner{max-width:1100px;margin:0 auto;display:grid;grid-template-columns:1fr 1fr;gap:80px;align-items:center}
.how-steps{display:flex;flex-direction:column;gap:22px;margin-top:32px}
.how-step{display:flex;gap:16px;align-items:flex-start}
.step-num{
  font-family:var(--mono);font-size:13px;font-weight:600;color:var(--signal);
  border:1px solid var(--line2);border-radius:8px;padding:4px 8px;flex-shrink:0;
}
.how-step h5{font-size:15px;font-weight:700;color:var(--ink);margin-bottom:4px}
.how-step p{font-size:13.5px;color:var(--steel)}

.how-visual{display:flex;justify-content:center}
.mini-card{
  background:var(--paper);border:1px solid var(--line);border-radius:16px;
  padding:26px;width:100%;max-width:340px;box-shadow:0 12px 40px rgba(20,24,31,0.06);
}
.mini-row{display:flex;justify-content:space-between;align-items:center;padding:10px 0;font-size:14px;color:var(--steel)}
.mini-row strong{font-family:var(--mono);font-size:16px;color:var(--ink)}
.mini-row.small{font-size:12.5px;padding:6px 0}
.mini-divider{height:1px;background:var(--line);margin:8px 0}
.danger-text{color:var(--danger) !important}
.ok-text{color:var(--stock-green) !important}

/* ══════════════════════════
   CTA
══════════════════════════ */
.cta-section{padding:100px 40px;text-align:center}
.cta-inner-card{
  max-width:680px;margin:0 auto;background:var(--ink);color:var(--paper);
  border-radius:28px;padding:64px 48px;
}
.cta-section h2{
  font-family:var(--display);font-size:clamp(28px,5vw,44px);font-weight:800;
  letter-spacing:-1.5px;line-height:1.15;margin-bottom:16px;
}
.cta-section p{font-size:16px;color:#c7cdd6;margin-bottom:32px}
.cta-inner-card .btn-primary{background:var(--signal);color:var(--paper)}
.cta-inner-card .btn-primary:hover{background:#3b74ef}
.cta-fine{font-size:12px;color:#8b93a0;margin-top:20px}

/* ══════════════════════════
   FOOTER
══════════════════════════ */
footer{border-top:1px solid var(--line);padding:40px;background:var(--paper)}
.footer-inner{max-width:1100px;margin:0 auto;display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:20px}
.footer-logo{font-family:var(--display);font-size:20px;font-weight:800;color:var(--ink)}
.footer-logo span{color:var(--signal)}
.footer-links{display:flex;gap:28px}
.footer-links a{font-size:13px;color:var(--steel);text-decoration:none;transition:color 0.2s}
.footer-links a:hover{color:var(--ink)}
.footer-copy{font-size:13px;color:var(--steel-soft)}

/* ══════════════════════════
   ANIMATIONS
══════════════════════════ */
.fade-up{opacity:0;transform:translateY(24px);transition:all 0.7s cubic-bezier(0.16,1,0.3,1)}
.fade-up.visible{opacity:1;transform:translateY(0)}

/* ══════════════════════════
   RESPONSIVE
══════════════════════════ */
@media(max-width:900px){
  nav{padding:0 20px;grid-template-columns:1fr 1fr}
  .nav-links{display:none}
  .nav-cta{display:none}
  .hamburger{display:flex}
  .mobile-nav{display:flex}
  .how-inner{grid-template-columns:1fr}
  .features-grid{grid-template-columns:1fr 1fr}
  .scan-row{grid-template-columns:70px 1fr 70px;gap:8px}
}
@media(max-width:600px){
  .features-section,.how-section,.cta-section{padding:80px 20px}
  .hero{padding:110px 16px 60px}
  .features-grid{grid-template-columns:1fr}
  .footer-inner{flex-direction:column;text-align:center}
  .footer-links{justify-content:center;flex-wrap:wrap}
  .cta-inner-card{padding:40px 24px}
  .scan-row{grid-template-columns:1fr;gap:6px;padding-bottom:10px;border-bottom:1px solid var(--line)}
  .scan-pct{text-align:left}
}