/* PRODENT — clean clinical design, curaprox-inspired */
:root{
  --c-bg:#ffffff;
  --c-bg-soft:#f4f7fb;
  --c-text:#0a1a2f;
  --c-text-2:#4b5d76;
  --c-primary:#0050a0;
  --c-primary-dark:#003d7c;
  --c-primary-soft:#e6f0fa;
  --c-accent:#2dd4bf;
  --c-warn:#ff6b81;
  --c-border:#e3e9f0;
  --c-card:#ffffff;
  --radius:14px;
  --radius-lg:22px;
  --shadow-sm:0 1px 2px rgba(10,26,47,.04),0 2px 8px rgba(10,26,47,.04);
  --shadow:0 4px 24px rgba(10,26,47,.06);
  --shadow-lg:0 12px 40px rgba(10,26,47,.10);
  --font:'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --container:1220px;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font);
  color:var(--c-text);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
  font-size:16px;
  line-height:1.55;
}
img{max-width:100%;display:block}
a{color:var(--c-primary);text-decoration:none;transition:color .15s}
a:hover{color:var(--c-primary-dark)}
button{font-family:inherit}

.container{max-width:var(--container);margin:0 auto;padding:0 24px}

h1,h2,h3{font-weight:700;letter-spacing:-.02em;line-height:1.15;margin:0 0 .5em}
h1{font-size:clamp(2rem,5vw,3.6rem);font-weight:800}
h1 em{font-style:normal;color:var(--c-primary)}
h2{font-size:clamp(1.6rem,3vw,2.4rem)}
h3{font-size:1.2rem}
p{margin:0 0 1em}
.lead{font-size:1.1rem;color:var(--c-text-2);line-height:1.6}

/* HEADER */
.site-header{
  position:sticky;top:0;z-index:50;
  background:rgba(255,255,255,.96);
  backdrop-filter:blur(12px);
  border-bottom:1px solid var(--c-border);
}
.header-inner{display:flex;align-items:center;gap:32px;height:72px}
.brand{display:flex;align-items:center;gap:10px}
.brand-name{
  font-weight:800;font-size:1.4rem;letter-spacing:.06em;
  color:var(--c-primary-dark);
  background:linear-gradient(135deg,var(--c-primary-dark) 0%,var(--c-primary) 100%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.nav{display:flex;gap:28px;margin-left:auto}
.nav a{color:var(--c-text);font-weight:500;font-size:.95rem;position:relative}
.nav a:hover{color:var(--c-primary)}
.header-actions{display:flex;gap:12px;align-items:center;margin-left:auto}
.nav + .header-actions{margin-left:0}
.lang-switch{
  border:1px solid var(--c-border);background:#fff;
  padding:8px 14px;border-radius:999px;font-weight:600;font-size:.85rem;
  color:var(--c-text);cursor:pointer;transition:.15s;
  letter-spacing:.05em;
}
.lang-switch:hover{border-color:var(--c-primary);color:var(--c-primary)}
.burger{display:none;background:none;border:0;width:32px;height:32px;cursor:pointer;flex-direction:column;gap:5px;justify-content:center;align-items:center}
.burger span{display:block;width:22px;height:2px;background:var(--c-text);border-radius:2px;transition:.2s}

/* BUTTONS */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 26px;border-radius:999px;font-weight:600;font-size:.95rem;
  border:1px solid transparent;cursor:pointer;transition:.18s;
  text-decoration:none;line-height:1;white-space:nowrap;
}
.btn-primary{background:var(--c-primary);color:#fff}
.btn-primary:hover{background:var(--c-primary-dark);color:#fff;transform:translateY(-1px);box-shadow:0 8px 24px rgba(0,80,160,.25)}
.btn-ghost{background:transparent;color:var(--c-primary);border-color:var(--c-primary)}
.btn-ghost:hover{background:var(--c-primary);color:#fff}
.btn-ozon{background:#005bff;color:#fff}
.btn-ozon:hover{background:#0046cc;color:#fff;transform:translateY(-1px);box-shadow:0 8px 24px rgba(0,91,255,.25)}
.btn-wb{background:#cb11ab;color:#fff}
.btn-wb:hover{background:#a3088a;color:#fff;transform:translateY(-1px);box-shadow:0 8px 24px rgba(203,17,171,.25)}
.btn-sm{padding:10px 18px;font-size:.85rem}
.btn-disabled{background:#e3e9f0;color:#8895a8;pointer-events:none;cursor:not-allowed}

/* HERO */
.hero{padding:60px 0 80px;background:linear-gradient(180deg,var(--c-primary-soft) 0%,#fff 100%);overflow:hidden}
.hero-inner{display:grid;grid-template-columns:1.1fr .9fr;gap:60px;align-items:center}
.eyebrow{
  display:inline-block;font-size:.8rem;font-weight:700;letter-spacing:.18em;
  color:var(--c-primary);text-transform:uppercase;margin-bottom:14px;
  padding:6px 14px;background:#fff;border-radius:999px;box-shadow:var(--shadow-sm);
}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap;margin-top:28px}
.hero-image{position:relative;aspect-ratio:1;display:flex;align-items:center;justify-content:center}
.hero-blob{
  width:90%;aspect-ratio:1;border-radius:50%;
  background:
    radial-gradient(circle at 30% 30%, #ffffff 0%, transparent 50%),
    conic-gradient(from 180deg, var(--c-primary) 0%, var(--c-accent) 35%, var(--c-primary) 70%, var(--c-primary-dark) 100%);
  filter:blur(8px);opacity:.4;
  animation:morph 16s ease-in-out infinite;
}
@keyframes morph{
  0%,100%{border-radius:60% 40% 50% 50%/50% 60% 40% 50%}
  50%{border-radius:40% 60% 60% 40%/40% 50% 60% 50%}
}

/* USP */
.usp{padding:60px 0;background:#fff}
.usp-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.usp-item{padding:28px;border:1px solid var(--c-border);border-radius:var(--radius-lg);background:#fff;transition:.2s}
.usp-item:hover{border-color:var(--c-primary);transform:translateY(-2px);box-shadow:var(--shadow)}
.usp-num{font-size:2.1rem;font-weight:800;color:var(--c-primary);margin-bottom:8px;letter-spacing:-.02em}
.usp-item p{margin:0;color:var(--c-text-2);font-size:.94rem}

/* CATALOG */
.catalog-section{padding:80px 0;background:var(--c-bg-soft)}
.section-header{text-align:center;margin-bottom:40px}
.section-header p{color:var(--c-text-2);font-size:1.05rem}
.filter-bar{display:flex;justify-content:center;gap:8px;flex-wrap:wrap;margin-bottom:32px}
.filter-pill{
  padding:9px 18px;background:#fff;border:1px solid var(--c-border);border-radius:999px;
  font-size:.88rem;font-weight:500;cursor:pointer;color:var(--c-text-2);transition:.15s;
}
.filter-pill:hover{border-color:var(--c-primary);color:var(--c-primary)}
.filter-pill.active{background:var(--c-primary);color:#fff;border-color:var(--c-primary)}

.catalog-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:24px}
.card{
  background:var(--c-card);border:1px solid var(--c-border);border-radius:var(--radius-lg);
  overflow:hidden;cursor:pointer;transition:.2s;display:flex;flex-direction:column;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:var(--c-primary-soft)}
.card-img{position:relative;aspect-ratio:1;background:#fff;overflow:hidden}
.card-img img{width:100%;height:100%;object-fit:contain;padding:18px;transition:transform .3s}
.card:hover .card-img img{transform:scale(1.04)}
.card-tag{
  position:absolute;top:14px;left:14px;
  background:var(--c-primary-soft);color:var(--c-primary-dark);
  padding:5px 11px;border-radius:999px;font-size:.72rem;font-weight:600;letter-spacing:.04em;
}
.card-body{padding:18px 20px 22px;flex:1;display:flex;flex-direction:column;gap:8px}
.card-title{font-size:.98rem;font-weight:600;line-height:1.35;color:var(--c-text);margin:0;min-height:2.6em;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card-cat{font-size:.78rem;color:var(--c-text-2);text-transform:uppercase;letter-spacing:.06em;font-weight:500}
.card-price{display:flex;align-items:baseline;gap:10px;margin-top:auto;padding-top:10px}
.card-price strong{font-size:1.2rem;font-weight:700;color:var(--c-text)}
.card-price del{font-size:.9rem;color:#a5b1c2}
.card-cta{display:flex;gap:8px;margin-top:14px}
.card-cta .btn{flex:1;padding:11px 14px;font-size:.82rem}

/* TECH */
.tech{padding:80px 0;background:#fff}
.tech-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.tech-card{padding:32px;border-radius:var(--radius-lg);background:var(--c-bg-soft);transition:.2s}
.tech-card:hover{background:#fff;box-shadow:var(--shadow);transform:translateY(-2px)}
.tech-card h3{color:var(--c-primary-dark);margin-bottom:10px}
.tech-card p{color:var(--c-text-2);margin:0}

/* ABOUT */
.about{padding:80px 0;background:var(--c-primary-dark);color:#fff}
.about-inner{display:grid;grid-template-columns:1fr;gap:40px;max-width:880px;margin:0 auto;text-align:center}
.about h2{color:#fff}
.about .lead{color:#dbe7f5}
.about-text p{color:#c5d4e8}
.about-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-top:30px}
.about-stats div{padding:20px;background:rgba(255,255,255,.06);border-radius:var(--radius)}
.about-stats strong{display:block;font-size:1.6rem;color:var(--c-accent);margin-bottom:4px}
.about-stats span{color:#c5d4e8;font-size:.86rem}

/* DELIVERY */
.delivery{padding:80px 0;background:var(--c-bg-soft)}
.delivery-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.delivery-card{padding:32px;background:#fff;border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);transition:.2s}
.delivery-card:hover{box-shadow:var(--shadow)}
.delivery-card h3{color:var(--c-primary-dark)}
.delivery-card .btn{margin-top:12px}

/* FAQ */
.faq{padding:80px 0;background:#fff}
.faq-list{max-width:820px;margin:0 auto;display:flex;flex-direction:column;gap:12px}
.faq-item{padding:18px 24px;background:var(--c-bg-soft);border-radius:var(--radius);cursor:pointer;transition:.18s}
.faq-item:hover{background:#fff;box-shadow:var(--shadow-sm)}
.faq-item[open]{background:#fff;box-shadow:var(--shadow)}
.faq-item summary{font-weight:600;color:var(--c-text);font-size:1.02rem;list-style:none;display:flex;justify-content:space-between;align-items:center;gap:14px}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:'+';font-size:1.6rem;color:var(--c-primary);font-weight:400;transition:.2s}
.faq-item[open] summary::after{transform:rotate(45deg)}
.faq-item p{margin:14px 0 0;color:var(--c-text-2);line-height:1.6}

/* CONTACT */
.contact{padding:80px 0;background:var(--c-bg-soft)}
.contact-inner{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:start}
.contact-list{list-style:none;padding:0;margin:24px 0 0}
.contact-list li{display:flex;justify-content:space-between;align-items:center;padding:14px 0;border-bottom:1px solid var(--c-border)}
.contact-list span{color:var(--c-text-2);font-size:.9rem;font-weight:500}
.contact-form{display:flex;flex-direction:column;gap:14px;padding:32px;background:var(--c-bg-soft);border-radius:var(--radius-lg)}
.contact-form label{display:flex;flex-direction:column;gap:6px;font-size:.85rem;color:var(--c-text-2);font-weight:500}
.contact-form input,.contact-form textarea{padding:13px 16px;border:1px solid var(--c-border);border-radius:var(--radius);font-family:inherit;font-size:.95rem;background:#fff;color:var(--c-text);transition:.15s}
.contact-form input:focus,.contact-form textarea:focus{outline:none;border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(0,80,160,.1)}
.form-status{margin:0;padding:12px;background:#dcfce7;color:#166534;border-radius:var(--radius);text-align:center}

/* FOOTER */
.site-footer{padding:50px 0 30px;background:var(--c-primary-dark);color:#c5d4e8}
.site-footer .brand-name{background:linear-gradient(135deg,#fff 0%,#a5c3e8 100%);-webkit-background-clip:text;background-clip:text;color:transparent}
.footer-inner{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:30px;align-items:start}
.footer-nav{display:flex;flex-direction:column;gap:10px}
.footer-nav a{color:#c5d4e8;font-size:.9rem}
.footer-nav a:hover{color:#fff}
.footer-tagline{margin:14px 0 0;color:#8ba4c4;font-size:.9rem}
.footer-copy{text-align:right;font-size:.85rem;color:#8ba4c4}
.footer-copy p{margin:4px 0}

/* MODAL */
.modal{position:fixed;inset:0;background:rgba(10,26,47,.7);backdrop-filter:blur(6px);z-index:100;display:flex;align-items:flex-start;justify-content:center;padding:40px 20px;overflow-y:auto}
.modal[hidden]{display:none}
.modal-close{position:fixed;top:24px;right:24px;width:48px;height:48px;border-radius:50%;border:0;background:#fff;font-size:2rem;cursor:pointer;display:flex;align-items:center;justify-content:center;box-shadow:var(--shadow);z-index:101;color:var(--c-text);line-height:1;padding:0;padding-bottom:6px}
.modal-close:hover{background:var(--c-primary);color:#fff}
.modal-inner{background:#fff;border-radius:var(--radius-lg);max-width:1080px;width:100%;overflow:hidden;display:grid;grid-template-columns:1.1fr 1fr;margin-top:20px;animation:popin .25s ease-out}
@keyframes popin{from{opacity:0;transform:translateY(20px)}to{opacity:1;transform:none}}
.modal-gallery{background:#fff;padding:32px;display:flex;flex-direction:column;gap:16px}
.modal-main{aspect-ratio:1;background:var(--c-bg-soft);border-radius:var(--radius);overflow:hidden;display:flex;align-items:center;justify-content:center}
.modal-main img{max-width:100%;max-height:100%;object-fit:contain}
.modal-thumbs{display:flex;gap:8px;flex-wrap:wrap}
.modal-thumbs img{width:60px;height:60px;object-fit:contain;border-radius:10px;border:2px solid transparent;cursor:pointer;padding:6px;background:var(--c-bg-soft);transition:.15s}
.modal-thumbs img:hover{border-color:var(--c-primary-soft)}
.modal-thumbs img.active{border-color:var(--c-primary)}
.modal-info{padding:40px;display:flex;flex-direction:column;gap:14px;overflow-y:auto;max-height:80vh}
.modal-cat{margin:0;font-size:.78rem;color:var(--c-primary);font-weight:600;text-transform:uppercase;letter-spacing:.1em}
.modal-info h2{margin:0;font-size:1.5rem;line-height:1.25}
.modal-price{display:flex;align-items:baseline;gap:12px}
.modal-price strong{font-size:1.8rem;font-weight:700;color:var(--c-text)}
.modal-price del{font-size:1.1rem;color:#a5b1c2}
.modal-desc{font-size:.94rem;color:var(--c-text-2);line-height:1.6;max-height:200px;overflow-y:auto;white-space:pre-wrap}
.modal-options{display:grid;grid-template-columns:140px 1fr;gap:6px 16px;font-size:.86rem;margin:0;padding:18px;background:var(--c-bg-soft);border-radius:var(--radius)}
.modal-options dt{color:var(--c-text-2);margin:0}
.modal-options dd{margin:0;color:var(--c-text);font-weight:500}
.modal-cta{display:flex;gap:10px;margin-top:auto;flex-wrap:wrap}
.modal-cta .btn{flex:1;min-width:160px}

/* RESPONSIVE */
@media (max-width:980px){
  .hero-inner{grid-template-columns:1fr;text-align:center}
  .hero-cta{justify-content:center}
  .hero-image{order:-1;max-width:320px;margin:0 auto}
  .usp-grid{grid-template-columns:repeat(2,1fr)}
  .tech-grid,.delivery-grid{grid-template-columns:1fr 1fr}
  .contact-inner{grid-template-columns:1fr}
  .modal-inner{grid-template-columns:1fr}
  .modal-info{max-height:none}
  .footer-inner{grid-template-columns:1fr;text-align:center}
  .footer-nav{align-items:center}
  .footer-copy{text-align:center}
}
@media (max-width:680px){
  .nav{
    position:absolute;top:72px;left:0;right:0;background:#fff;flex-direction:column;
    padding:24px;gap:18px;box-shadow:var(--shadow);transform:translateY(-110%);transition:.25s;
  }
  .nav.open{transform:none}
  .burger{display:flex}
  .header-actions{margin-left:auto}
  .usp-grid,.tech-grid,.delivery-grid{grid-template-columns:1fr}
  .about-stats{grid-template-columns:1fr 1fr}
  .catalog-grid{grid-template-columns:repeat(auto-fill,minmax(160px,1fr));gap:14px}
  .card-body{padding:14px}
  .card-cta .btn{font-size:.74rem;padding:9px 10px}
}