/* ----------------------------------------
   style.css  - PONS Medical Diagnostics
   Full layout, hero slideshow, animations,
   lightbox, responsive menu and components
   ----------------------------------------*/

/* Variables */
:root{
  --primary:#5b1f6a;
  --accent:#0097a7;
  --white:#ffffff;
  --muted:#6b6f76;
  --card-bg:#fff;
  --page-bg:#fafafa;
  --radius:12px;
  --shadow-sm:0 6px 18px rgba(11,12,15,0.06);
}

/* Base reset */
*{box-sizing:border-box;margin:0;padding:0}
html,body{height:100%}
body{font-family:Inter, "Roboto", system-ui, Arial, sans-serif;background:var(--page-bg);color:#111;line-height:1.6;-webkit-font-smoothing:antialiased}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
.wrap{max-width:1200px;margin:0 auto;padding:18px}

/* ---------------- Header (logo on first line, menu second line) ---------------- */
.site-header{background:#fff;position:sticky;top:0;z-index:120;box-shadow:0 4px 18px rgba(0,0,0,0.06)}
.header-top{display:flex;justify-content:center;padding:18px 0;border-bottom:1px solid #f0f0f0}
.header-top .header-logo{height:72px;object-fit:contain}
.header-bottom{display:flex;align-items:center;justify-content:center;padding:12px 0}
.nav{display:flex;gap:22px;align-items:center}
.nav a{color:#222;font-weight:600;padding:8px 10px;border-radius:8px;transition:all .18s ease}
.nav a:hover{background:rgba(91,31,106,0.06);color:var(--primary)}
.nav .cta{background:var(--primary);color:var(--white);padding:8px 14px;border-radius:8px}
.menu-toggle{display:none;background:none;border:0;font-size:26px;cursor:pointer;color:var(--primary)}

/* ---------------- HERO (slideshow background with black overlay) ---------------- */
.hero{position:relative;min-height:80vh;display:flex;align-items:center;padding:80px 18px 68px;overflow:hidden;color:var(--white)}
.hero-bg-layer{position:absolute;inset:0;z-index:0;overflow:hidden}
.hero-bg{position:absolute;inset:0;background-size:cover;background-position:center;opacity:0;transition:opacity 1.1s ease,transform 18s linear}
.hero-bg.show{opacity:1;transform:scale(1.02)}
.hero-overlay{position:absolute;inset:0;background:linear-gradient(180deg, rgba(0,0,0,0.75), rgba(0,0,0,0.65));z-index:1}
.hero-content{position:relative;z-index:2;max-width:720px;padding:20px}
.hero-title{font-size:44px;font-weight:800;line-height:1.02;margin-bottom:12px}
.hero-subtitle{font-size:18px;margin-bottom:20px;opacity:.95}
.hero-actions{display:flex;gap:12px;margin-bottom:20px;flex-wrap:wrap}
.btn{display:inline-block;padding:12px 20px;border-radius:10px;font-weight:700}
.btn.primary{background:var(--white);color:var(--primary)}
.btn.outline{background:transparent;border:2px solid rgba(255,255,255,0.14);color:var(--white)}
.hero-stats{display:flex;gap:16px;margin-top:12px;flex-wrap:wrap}
.stat-card{background:rgba(255,255,255,0.06);padding:12px 14px;border-radius:8px;min-width:120px;text-align:center}

/* ---------------- Sections ---------------- */
.section{padding:64px 18px}
.section-title{text-align:center;font-size:28px;color:var(--primary);font-weight:800;margin-bottom:20px}

/* Highlights */
.highlight-grid{display:grid;gap:18px;grid-template-columns:repeat(auto-fit,minmax(240px,1fr))}
.highlight-card{background:var(--card-bg);padding:22px;border-radius:12px;box-shadow:var(--shadow-sm);transition:transform .22s ease}
.highlight-card:hover{transform:translateY(-6px)}

/* Gallery */
.gallery-grid{display:grid;gap:12px;grid-template-columns:repeat(auto-fit,minmax(180px,1fr))}
.gallery-grid img{height:180px;object-fit:cover;border-radius:10px;box-shadow:var(--shadow-sm);cursor:pointer;transition:transform .25s ease}
.gallery-grid img:hover{transform:scale(1.04)}

/* Testimonials */
.testimonial-slider{position:relative;overflow:hidden}
.testimonial-track{display:flex;gap:20px;transition:transform .6s ease}
.testimonial-card{min-width:300px;max-width:100%;background:var(--card-bg);padding:20px;border-radius:12px;box-shadow:var(--shadow-sm);flex-shrink:0}

/* FAQ / Accordion */
.accordion{max-width:900px;margin:0 auto}
.accordion .item{background:var(--card-bg);border-radius:10px;margin-bottom:12px;padding:12px;box-shadow:var(--shadow-sm)}
.accordion .item button{width:100%;border:0;background:none;text-align:left;font-weight:700;padding:8px 0;cursor:pointer}
.accordion .panel{max-height:0;overflow:hidden;transition:max-height .28s ease;padding-top:0}

/* Footer */
.site-footer{background:#000;color:#fff;padding:36px 18px}
.footer-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:18px}
.footer-bottom{text-align:center;padding-top:18px;opacity:.9;font-size:13px}

/* Lightbox */
.lightbox{position:fixed;inset:0;background:rgba(0,0,0,0.9);display:flex;align-items:center;justify-content:center;z-index:1400;opacity:0;pointer-events:none;transition:opacity .2s ease}
.lightbox.show{opacity:1;pointer-events:auto}
.lightbox img{max-width:94%;max-height:92%;border-radius:8px}
.lightbox-close{position:absolute;top:28px;right:30px;font-size:34px;color:#fff;cursor:pointer;z-index:1500}

/* Utilities & animations */
.fade-in{opacity:0;transform:translateY(12px);transition:opacity .7s ease,transform .7s ease}
.fade-in.visible{opacity:1;transform:none}
.slide-left{opacity:0;transform:translateX(-18px);transition:opacity .7s ease,transform .7s ease}
.slide-left.visible{opacity:1;transform:none}

/* Responsive */
@media (max-width: 980px){
  .hero-title{font-size:32px}
  .hero-subtitle{font-size:16px}
  .nav{display:none;position:absolute;right:16px;top:110px;background:#fff;padding:14px;border-radius:10px;box-shadow:var(--shadow-sm);flex-direction:column}
  .nav.show{display:flex}
  .menu-toggle{display:block;position:relative;right:0;margin-left:12px}
}
@media (max-width:640px){
  .hero{padding:80px 12px 60px}
  .hero-title{font-size:24px}
  .gallery-grid img{height:140px}
  .header-top .header-logo{height:58px}
}