/* ============================================================
   Science Lab Diagnostics — Professional Laboratory Website
   Brand palette retained from original:
   Blue #008ad2 · Purple/Magenta #60429a · Secondary blue #557dbc
   ============================================================ */

:root{
  --blue:#008ad2;
  --blue-dark:#0071ad;
  --blue-deep:#04547f;
  --purple:#60429a;
  --magenta:#b0479a;
  --blue2:#557dbc;
  --cyan:#00b7e4;

  --ink:#1c2733;
  --body:#4a5763;
  --muted:#7c8794;
  --line:#e6ecf1;
  --bg:#ffffff;
  --tint:#f2f7fb;
  --tint2:#eef4f9;

  --grad:linear-gradient(120deg,var(--blue) 0%,var(--blue2) 45%,var(--purple) 100%);
  --grad-soft:linear-gradient(135deg,#008ad2 0%,#00a3d9 50%,#7a4fb0 100%);

  --shadow-sm:0 4px 14px rgba(16,52,84,.08);
  --shadow:0 18px 45px rgba(16,52,84,.12);
  --shadow-lg:0 30px 70px rgba(16,52,84,.18);

  --radius:16px;
  --radius-lg:24px;
  --container:1200px;
  --font:'Plus Jakarta Sans',system-ui,-apple-system,Segoe UI,Roboto,sans-serif;
  --font-head:'Manrope',var(--font);
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;font-family:var(--font);color:var(--body);
  background:var(--bg);line-height:1.65;font-size:16.5px;
  overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none}
ul{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{font-family:var(--font-head);color:var(--ink);line-height:1.15;margin:0;font-weight:800;letter-spacing:-.02em}

.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}
.section{padding:96px 0}
.section--tint{background:var(--tint)}
.grad-text{background:var(--grad);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;color:transparent}

.eyebrow{
  display:inline-block;font-weight:700;font-size:.82rem;letter-spacing:.14em;
  text-transform:uppercase;color:var(--blue);margin-bottom:14px;
  position:relative;padding-left:34px;
}
.eyebrow::before{content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);width:24px;height:2px;background:var(--grad)}

.section__head{max-width:720px;margin:0 auto 56px;text-align:center}
.section__head .eyebrow{padding-left:0}
.section__head .eyebrow::before{display:none}
.section__title{font-size:clamp(1.9rem,4vw,2.9rem)}
.section__lead{margin-top:16px;font-size:1.08rem;color:var(--body)}

/* ---------------- Buttons ---------------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  font-family:var(--font-head);font-weight:700;font-size:.98rem;
  padding:13px 26px;border-radius:999px;cursor:pointer;border:2px solid transparent;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease;
  white-space:nowrap;line-height:1;
}
.btn svg{width:18px;height:18px;fill:currentColor}
.btn--primary{background:var(--grad);color:#fff;box-shadow:0 12px 26px rgba(0,138,210,.32)}
.btn--primary:hover{transform:translateY(-3px);box-shadow:0 18px 34px rgba(96,66,154,.38)}
.btn--white{background:#fff;color:var(--blue-dark)}
.btn--white:hover{transform:translateY(-3px);box-shadow:var(--shadow)}
.btn--ghost{background:transparent;border-color:rgba(255,255,255,.55);color:#fff}
.btn--ghost:hover{background:rgba(255,255,255,.14)}
.btn--lg{padding:16px 32px;font-size:1.02rem}
.btn--block{width:100%}

/* ---------------- Header ---------------- */
.site-header{position:sticky;top:0;z-index:100}
.topbar{background:var(--ink);color:#cdd7e0;font-size:.85rem}
.topbar__inner{display:flex;justify-content:space-between;align-items:center;gap:16px;min-height:42px}
.topbar__contacts{display:flex;gap:24px;flex-wrap:wrap}
.topbar__item{display:inline-flex;align-items:center;gap:7px;transition:color .2s}
.topbar__item svg{width:15px;height:15px;fill:var(--cyan)}
.topbar__item:hover{color:#fff}
.topbar__social .topbar__item{color:var(--cyan);font-weight:600}

.navbar{background:rgba(255,255,255,.9);backdrop-filter:blur(12px);border-bottom:1px solid var(--line);transition:box-shadow .3s,padding .3s}
.navbar.scrolled{box-shadow:0 8px 30px rgba(16,52,84,.09)}
.navbar__inner{display:flex;align-items:center;justify-content:space-between;min-height:76px;gap:20px}
.navbar__logo img{height:44px;width:auto}
.nav-menu{display:flex;align-items:center;gap:36px}
.nav-links{display:flex;gap:30px}
.nav-link{font-family:var(--font-head);font-weight:600;color:var(--ink);position:relative;padding:6px 0;font-size:1rem}
.nav-link::after{content:"";position:absolute;left:0;bottom:0;width:0;height:2px;background:var(--grad);transition:width .25s}
.nav-link:hover::after,.nav-link.active::after{width:100%}
.nav-link:hover,.nav-link.active{color:var(--blue)}

.nav-toggle{display:none;flex-direction:column;justify-content:center;gap:5px;width:44px;height:44px;background:none;border:none;cursor:pointer;padding:0}
.nav-toggle span{display:block;width:26px;height:2.5px;background:var(--ink);border-radius:2px;transition:.3s}
.nav-toggle.open span:nth-child(1){transform:translateY(7.5px) rotate(45deg)}
.nav-toggle.open span:nth-child(2){opacity:0}
.nav-toggle.open span:nth-child(3){transform:translateY(-7.5px) rotate(-45deg)}

/* ---------------- Hero ---------------- */
.hero{position:relative;overflow:hidden;background:var(--tint2)}
.hero__bg{position:absolute;inset:0;z-index:0;
  background:
    radial-gradient(60% 70% at 85% 10%,rgba(96,66,154,.14),transparent 60%),
    radial-gradient(55% 60% at 10% 90%,rgba(0,138,210,.16),transparent 60%),
    linear-gradient(180deg,#f4f9fd 0%,#eaf2f9 100%);
}
.hero__bg::before{content:"";position:absolute;inset:0;
  background-image:radial-gradient(rgba(0,138,210,.10) 1px,transparent 1px);
  background-size:26px 26px;-webkit-mask-image:linear-gradient(180deg,#000,transparent 70%);mask-image:linear-gradient(180deg,#000,transparent 70%)}
.hero__inner{position:relative;z-index:1;display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center;padding:80px 0 96px}
.hero__title{font-size:clamp(2.5rem,5.3vw,4rem);margin:6px 0 10px}
.hero__sub{font-family:var(--font-head);font-weight:700;color:var(--blue2);font-size:clamp(1.05rem,2vw,1.35rem);margin:0 0 20px}
.hero__text{font-size:1.05rem;max-width:560px;margin:0 0 32px}
.hero__actions{display:flex;gap:16px;flex-wrap:wrap}
.hero__actions .btn--ghost{border-color:var(--blue);color:var(--blue)}
.hero__actions .btn--ghost:hover{background:var(--blue);color:#fff}

.hero__media{position:relative;min-height:460px}
.hero__photo{position:absolute;border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-lg);border:6px solid #fff}
.hero__photo--main{width:66%;right:0;top:0;background:#dfe8ef}
.hero__photo--main img{width:100%;height:100%;object-fit:contain;background:linear-gradient(180deg,#f0f3f5,#e5ebef)}
.hero__photo--small{width:44%;left:0;bottom:0;aspect-ratio:5/6}
.hero__photo--small img{width:100%;height:100%;object-fit:cover}
.hero__badge{position:absolute;left:38%;top:8%;transform:translateX(-50%);
  background:#fff;border-radius:16px;padding:14px 20px;box-shadow:var(--shadow);text-align:center;z-index:3}
.hero__badge-num{display:block;font-family:var(--font-head);font-weight:800;font-size:1.5rem;background:var(--grad);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.hero__badge-label{font-size:.78rem;font-weight:600;color:var(--muted)}

/* ---------------- Call band ---------------- */
.callband{background:var(--grad);color:#fff;position:relative;overflow:hidden}
.callband::after{content:"";position:absolute;right:-60px;top:-60px;width:280px;height:280px;border-radius:50%;background:rgba(255,255,255,.08)}
.callband__inner{position:relative;display:flex;align-items:center;justify-content:space-between;gap:30px;padding:44px 0;flex-wrap:wrap}
.callband__title{color:#fff;font-size:1.9rem;margin-bottom:6px}
.callband__text p{margin:0;color:rgba(255,255,255,.9);max-width:560px}

/* ---------------- About ---------------- */
.about__inner{display:grid;grid-template-columns:.9fr 1.1fr;gap:64px;align-items:center}
.about__media{position:relative}
.about__media img{border-radius:var(--radius-lg);box-shadow:var(--shadow);position:relative;z-index:1;width:100%;object-fit:cover;aspect-ratio:5/6}
.about__accent{position:absolute;inset:auto -18px -18px auto;width:70%;height:70%;border-radius:var(--radius-lg);background:var(--grad);opacity:.16;z-index:0}
.about__content p{margin:0 0 16px}
.about__list{margin:22px 0 30px;display:grid;gap:12px}
.about__list li{display:flex;align-items:center;gap:12px;font-weight:600;color:var(--ink)}
.about__list svg{flex:0 0 auto;width:22px;height:22px;fill:#fff;background:var(--grad);border-radius:50%;padding:4px}

/* ---------------- Services ---------------- */
.services__grid{display:grid;grid-template-columns:repeat(4,1fr);gap:26px}
.service-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:36px 26px;text-align:center;transition:transform .25s,box-shadow .25s,border-color .25s;
  position:relative;overflow:hidden;
}
.service-card::before{content:"";position:absolute;left:0;top:0;height:4px;width:100%;background:var(--grad);transform:scaleX(0);transform-origin:left;transition:transform .3s}
.service-card:hover{transform:translateY(-8px);box-shadow:var(--shadow);border-color:transparent}
.service-card:hover::before{transform:scaleX(1)}
.service-card__icon{width:96px;height:96px;margin:0 auto 20px;border-radius:24px;display:grid;place-items:center;background:var(--tint);transition:background .3s}
.service-card:hover .service-card__icon{background:linear-gradient(135deg,rgba(0,138,210,.12),rgba(96,66,154,.12))}
.service-card__icon img{width:56px;height:56px}
.service-card__title{font-size:1.18rem;margin-bottom:10px}
.service-card__text{font-size:.95rem;color:var(--muted);margin:0}

/* Reviews row */
.reviews{margin-top:56px;display:flex;align-items:center;justify-content:center;gap:24px;flex-wrap:wrap}
.reviews__label{font-family:var(--font-head);font-weight:700;color:var(--ink)}
.reviews__links{display:flex;gap:14px}
.review-btn{display:inline-flex;align-items:center;gap:9px;padding:11px 22px;border-radius:999px;font-weight:600;background:#fff;border:1px solid var(--line);box-shadow:var(--shadow-sm);transition:transform .2s,box-shadow .2s}
.review-btn svg{width:20px;height:20px}
.review-btn:hover{transform:translateY(-3px);box-shadow:var(--shadow)}
.review-btn--google svg{fill:#4285f4}
.review-btn--fb svg{fill:#1877f2}

/* ---------------- Mission band ---------------- */
.mission{position:relative;color:#fff;text-align:center;padding:92px 0;overflow:hidden;
  background:linear-gradient(120deg,#04547f 0%,#0071ad 40%,#60429a 100%)}
.mission::before,.mission::after{content:"";position:absolute;border-radius:50%;background:rgba(255,255,255,.06)}
.mission::before{width:320px;height:320px;left:-90px;bottom:-120px}
.mission::after{width:220px;height:220px;right:-60px;top:-80px}
.mission__inner{position:relative;z-index:1;max-width:760px;margin:0 auto}
.mission__title{color:#fff;font-size:clamp(2rem,4.4vw,3rem);margin-bottom:16px}
.mission__text{font-size:1.15rem;color:rgba(255,255,255,.92);margin:0 auto 30px;max-width:620px}

/* ---------------- Contact ---------------- */
.contact__inner{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:start}
.contact__list{margin:26px 0 26px;display:grid;gap:22px}
.contact__list li{display:flex;gap:16px;align-items:flex-start}
.contact__ico{flex:0 0 auto;width:50px;height:50px;border-radius:14px;display:grid;place-items:center;background:var(--tint);}
.contact__ico svg{width:24px;height:24px;fill:var(--blue)}
.contact__list strong{display:block;font-family:var(--font-head);color:var(--ink);font-size:1.05rem;margin-bottom:3px}
.contact__list p{margin:0;color:var(--body)}
.contact__list a:hover{color:var(--blue)}
.contact__map{border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-sm);border:1px solid var(--line);margin-top:8px}
.contact__map iframe{width:100%;height:240px;border:0;display:block}

.contact__form-wrap{position:relative}
.booking-form{background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);padding:38px 34px;box-shadow:var(--shadow)}
.booking-form__title{font-size:1.5rem;margin-bottom:6px}
.booking-form__note{color:var(--muted);font-size:.94rem;margin:0 0 24px}
.field{margin-bottom:18px}
.field label{display:block;font-weight:600;font-size:.9rem;color:var(--ink);margin-bottom:7px}
.field input,.field select,.field textarea{
  width:100%;padding:13px 16px;border:1.5px solid var(--line);border-radius:12px;
  font-family:var(--font);font-size:1rem;color:var(--ink);background:#fbfdfe;transition:border-color .2s,box-shadow .2s}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--blue);box-shadow:0 0 0 4px rgba(0,138,210,.12);background:#fff}
.field textarea{resize:vertical}

/* ---------------- Footer ---------------- */
.footer{background:#111c26;color:#a9b6c2;padding-top:70px}
.footer__inner{display:grid;grid-template-columns:1.6fr 1fr 1.2fr 1fr;gap:40px;padding-bottom:50px}
.footer__logo{height:46px;background:#fff;padding:8px 12px;border-radius:10px;margin-bottom:16px}
.footer__brand p{margin:0 0 18px;font-size:.95rem}
.footer h4{color:#fff;font-size:1.05rem;margin-bottom:16px}
.footer p{margin:0;font-size:.95rem;line-height:1.8}
.footer a:hover{color:var(--cyan)}
.footer__social{display:flex;gap:12px}
.footer__social a{width:40px;height:40px;border-radius:10px;display:grid;place-items:center;background:rgba(255,255,255,.08);transition:background .2s,transform .2s}
.footer__social a svg{width:20px;height:20px;fill:#fff}
.footer__social a:hover{background:var(--grad);transform:translateY(-3px)}
.footer__reviews{display:inline-block;margin-top:12px;color:var(--cyan);font-weight:600}
.footer__bar{border-top:1px solid rgba(255,255,255,.09)}
.footer__bar-inner{display:flex;justify-content:space-between;gap:14px;padding:22px 0;flex-wrap:wrap;font-size:.88rem;color:#8896a3}
.footer__bar-inner p{margin:0}

/* ---------------- WhatsApp float ---------------- */
.whatsapp-float{position:fixed;right:22px;bottom:22px;z-index:200;width:58px;height:58px;border-radius:50%;
  background:#25d366;display:grid;place-items:center;box-shadow:0 10px 30px rgba(37,211,102,.45);
  animation:wa-pulse 2.4s infinite;transition:transform .2s}
.whatsapp-float svg{width:32px;height:32px;fill:#fff}
.whatsapp-float:hover{transform:scale(1.08)}
@keyframes wa-pulse{0%{box-shadow:0 0 0 0 rgba(37,211,102,.5)}70%{box-shadow:0 0 0 16px rgba(37,211,102,0)}100%{box-shadow:0 0 0 0 rgba(37,211,102,0)}}

/* ---------------- Reveal animation ---------------- */
.reveal{opacity:0;transform:translateY(28px);transition:opacity .7s ease,transform .7s ease}
.reveal.in{opacity:1;transform:none}

/* ============================================================
   Responsive
   ============================================================ */
@media (max-width:1024px){
  .services__grid{grid-template-columns:repeat(2,1fr)}
  .footer__inner{grid-template-columns:1fr 1fr}
  .hero__inner{gap:36px}
}
@media (max-width:860px){
  .section{padding:70px 0}
  .topbar__item--email{display:none}
  .nav-toggle{display:flex}
  .nav-menu{
    position:fixed;inset:0 0 0 auto;width:min(320px,82vw);background:#fff;
    flex-direction:column;align-items:flex-start;justify-content:flex-start;
    padding:96px 32px 40px;gap:8px;box-shadow:-20px 0 60px rgba(0,0,0,.15);
    transform:translateX(105%);transition:transform .35s ease;z-index:99}
  .nav-menu.open{transform:none}
  .nav-links{flex-direction:column;gap:4px;width:100%}
  .nav-link{display:block;padding:12px 0;width:100%;border-bottom:1px solid var(--line);font-size:1.08rem}
  .nav-cta{margin-top:16px;width:100%}
  .nav-backdrop{position:fixed;inset:0;background:rgba(10,20,30,.45);opacity:0;visibility:hidden;transition:.3s;z-index:98}
  .nav-backdrop.show{opacity:1;visibility:visible}

  .hero__inner{grid-template-columns:1fr;padding:56px 0 64px}
  .hero__media{min-height:420px;max-width:460px;margin:0 auto;width:100%}
  .about__inner{grid-template-columns:1fr;gap:40px}
  .about__media{max-width:440px}
  .contact__inner{grid-template-columns:1fr;gap:40px}
  .callband__inner{flex-direction:column;text-align:center}
}
@media (max-width:560px){
  body{font-size:16px}
  .container{padding:0 18px}
  .topbar__contacts{gap:14px}
  .services__grid{grid-template-columns:1fr}
  .footer__inner{grid-template-columns:1fr;gap:30px}
  .footer__bar-inner{justify-content:center;text-align:center}
  .hero__media{min-height:360px}
  .booking-form{padding:30px 22px}
  .btn--lg{padding:14px 24px}
}