/* =========================================================
   ZEYN MEDICA — design tokens
   Palette: logo navy/blue, cool paper, green CTA
   Type: Manrope (display) / Public Sans (body) / IBM Plex Mono (labels)
   ========================================================= */

:root{
  --navy-900:#0E1B4D;
  --navy-800:#16297A;
  --navy-700:#2447B5;
  --navy-100:#E1E8FA;

  --paper:#F5F7FC;
  --paper-alt:#E9EEF8;
  --card:#FFFFFF;

  --ink:#141A2E;
  --muted:#55607A;
  --line:rgba(14,27,77,.13);

  --blue:#1D4FD8;
  --accent:#15803D;
  --accent-dark:#116432;
  --accent-100:#D5EEDB;

  --radius-lg:22px;
  --radius-md:14px;
  --radius-sm:8px;

  --font-display:'Manrope', system-ui, sans-serif;
  --font-body:'Public Sans', system-ui, sans-serif;
  --font-mono:'IBM Plex Mono', monospace;

  --shadow-card: 0 1px 2px rgba(14,27,77,.06), 0 12px 28px -14px rgba(14,27,77,.22);
}

*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:var(--font-body);
  font-size:16px;
  line-height:1.55;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
h1,h2,h3{font-family:var(--font-display);font-weight:600;margin:0 0 .5em;color:var(--navy-900);letter-spacing:-.01em;}
p{margin:0 0 1em;}
ul,ol{margin:0;padding:0;list-style:none;}
.wrap{max-width:1180px;margin:0 auto;padding:0 24px;}

.skip-link{position:absolute;left:-999px;top:0;}
.skip-link:focus{left:8px;top:8px;background:var(--ink);color:#fff;padding:8px 14px;border-radius:6px;z-index:999;}

:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:4px;}

.eyebrow{
  font-family:var(--font-mono);
  font-size:12.5px;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--navy-700);
  margin:0 0 .9em;
  font-weight:500;
}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-family:var(--font-body);font-weight:600;font-size:15px;
  padding:13px 22px;border-radius:999px;
  transition:transform .15s ease, box-shadow .15s ease, background .15s ease;
  white-space:nowrap;
}
.btn-accent{background:var(--accent);color:#fff;box-shadow:0 10px 22px -8px rgba(21,128,61,.55);}
.btn-accent:hover{background:var(--accent-dark);transform:translateY(-1px);}
.btn-ghost{background:transparent;color:var(--navy-800);border:1.5px solid var(--line);}
.btn-ghost:hover{border-color:var(--navy-800);background:var(--navy-100);}
.btn-call{background:var(--navy-800);color:#fff;padding:10px 18px;font-size:14px;}
.btn-call:hover{background:var(--navy-900);}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:50;
  background:rgba(255,255,255,.94);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.header-inner{
    display:flex;
    align-items:center;
    gap:28px;
    height:80px;
    position:relative;
}
.logo{
    display:flex;
    align-items:center;
    gap:12px;
    flex-shrink:0;
}

.logo-img{
    width:260px;
    height:auto;
    max-height:72px;
    object-fit:contain;
    display:block;
}
.logo-text{
    font-family:var(--font-display);
    font-size:21px;
    font-weight:600;
    color:var(--navy-900);
}

.logo-text em{
    font-style:normal;
    color:var(--accent);
}
.main-nav{display:flex;gap:28px;margin-left:8px;flex:1;}
.main-nav a{font-size:15px;font-weight:500;color:var(--ink);opacity:.8;}
.main-nav a:hover{opacity:1;color:var(--navy-800);}
.header-call{margin-left:auto;flex-shrink:0;}
.nav-toggle{display:none;}

/* ---------- hero ---------- */
.hero{padding:64px 0 88px;position:relative;}
.hero::before{
  content:"";position:absolute;inset:0;z-index:-1;
  background:
    radial-gradient(60% 50% at 82% 8%, var(--navy-100) 0%, transparent 65%);
}
.hero-inner{
  display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center;
}
.hero-copy h1{font-size:clamp(32px,4vw,50px);line-height:1.08;}
.hero-copy .hl{color:var(--blue);}
.hero-lede{font-size:17.5px;color:var(--muted);max-width:480px;}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin:28px 0 30px;}
.hero-trust{display:flex;gap:22px;flex-wrap:wrap;}
.hero-trust li{
  font-family:var(--font-mono);font-size:12.5px;color:var(--navy-700);
  padding-left:18px;position:relative;
}
.hero-trust li::before{
  content:"";position:absolute;left:0;top:5px;width:8px;height:8px;border-radius:50%;
  background:var(--accent);
}
.hero-media{position:relative;}
.hero-media img{
  border-radius:var(--radius-lg);
  box-shadow:var(--shadow-card);
  aspect-ratio:4/3.2;object-fit:cover;
}
.hero-badge{
  position:absolute;bottom:16px;left:16px;
  background:var(--navy-800);color:#fff;
  border-radius:var(--radius-md);
  padding:14px 18px;
  box-shadow:0 14px 30px -10px rgba(14,27,77,.5);
  line-height:1.2;
}
.hero-badge strong{display:block;font-family:var(--font-display);font-size:18px;}
.hero-badge span{font-family:var(--font-mono);font-size:11px;letter-spacing:.08em;text-transform:uppercase;opacity:.75;}

/* ---------- section head (shared) ---------- */
.section-head{max-width:640px;margin:0 0 40px;}
.section-head h2{font-size:clamp(26px,3vw,36px);}
.section-lede{color:var(--muted);font-size:16.5px;}

/* ---------- catalog ---------- */
.catalog{padding:88px 0;}
.filter-bar{
  display:flex;gap:10px;flex-wrap:wrap;margin-bottom:36px;
  border-bottom:1px solid var(--line);padding-bottom:24px;
}
.filter-btn{
  font-family:var(--font-mono);font-size:13px;letter-spacing:.02em;
  background:transparent;border:1.5px solid var(--line);color:var(--muted);
  padding:9px 16px;border-radius:999px;cursor:pointer;
  transition:all .15s ease;
}
.filter-btn:hover{border-color:var(--navy-700);color:var(--navy-800);}
.filter-btn.is-active{background:var(--navy-800);border-color:var(--navy-800);color:#fff;}

.product-grid{
  display:grid;grid-template-columns:repeat(3,1fr);gap:26px;
}
.product-card{
  background:var(--card);border-radius:var(--radius-lg);
  overflow:hidden;box-shadow:var(--shadow-card);
  display:flex;flex-direction:column;
  transition:transform .18s ease, box-shadow .18s ease;
}
.product-card:hover{transform:translateY(-4px);}
.card-media{aspect-ratio:4/3;overflow:hidden;background:var(--paper-alt);}
.card-media{background:#fff;border-bottom:1px solid var(--line);}
.card-media img{width:100%;height:100%;object-fit:contain;padding:14px;}
.card-body{padding:20px 20px 4px;flex:1;}
.card-tags{display:flex;align-items:center;gap:10px;margin-bottom:10px;}
.ref{font-family:var(--font-mono);font-size:11.5px;color:var(--muted);letter-spacing:.04em;}
.tag{
  font-family:var(--font-mono);font-size:11px;letter-spacing:.03em;
  background:var(--navy-100);color:var(--navy-800);
  padding:3px 9px;border-radius:999px;
}
.card-body h3{font-size:19px;margin-bottom:.35em;}
.card-body p{color:var(--muted);font-size:14.5px;margin-bottom:0;}
.card-strip{
  display:flex;align-items:center;justify-content:space-between;
  margin:18px 20px 20px;padding-top:16px;
  border-top:1.5px dashed var(--line);
}
.price{font-family:var(--font-mono);font-weight:600;font-size:17px;color:var(--navy-900);}
.btn-order{
  font-family:var(--font-mono);font-size:12.5px;font-weight:500;letter-spacing:.02em;
  color:var(--accent);border-bottom:1.5px solid var(--accent-100);
  padding-bottom:2px;
  transition:border-color .15s ease;
}
.btn-order:hover{border-color:var(--accent);}

/* ---------- how it works ---------- */
.how{padding:88px 0;background:var(--paper-alt);}
.how-inner{display:block;}
.how-media img{border-radius:var(--radius-lg);box-shadow:var(--shadow-card);aspect-ratio:4/3;object-fit:cover;}
.how-copy h2{font-size:clamp(24px,3vw,32px);max-width:420px;}
.steps{margin-top:32px;display:grid;grid-template-columns:repeat(3,1fr);gap:26px;}
.steps li{display:flex;gap:20px;align-items:flex-start;}
.step-no{
  font-family:var(--font-mono);font-size:14px;color:var(--accent);
  border:1.5px solid var(--accent-100);border-radius:50%;
  width:40px;height:40px;flex-shrink:0;
  display:flex;align-items:center;justify-content:center;
  background:var(--card);
}
.steps h3{font-size:17px;margin-bottom:.2em;}
.steps p{color:var(--muted);font-size:14.5px;margin:0;}

/* ---------- why us ---------- */
.why{padding:88px 0;}
.why-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.why-card{
  padding:32px 26px;border-radius:var(--radius-lg);
  background:var(--card);border:1px solid var(--line);
}
.why-icon{color:var(--accent);margin-bottom:18px;}
.why-card h3{font-size:18px;}
.why-card p{color:var(--muted);font-size:14.5px;margin:0;}

/* ---------- CTA strip ---------- */
.cta-strip{background:var(--navy-900);padding:64px 0;}
.cta-strip-inner{
  display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap;
}
.cta-strip h2{color:#fff;font-size:clamp(22px,2.6vw,30px);max-width:520px;margin:0;}

/* ---------- footer ---------- */
.site-footer{background:var(--navy-900);color:#fff;padding-top:8px;}
.footer-inner{
  display:flex;justify-content:space-between;align-items:flex-start;gap:40px;
  padding:48px 0 32px;flex-wrap:wrap;
  border-top:1px solid rgba(255,255,255,.12);
}
.footer-brand .logo-text{color:#fff;}
.footer-brand .logo-text em{color:var(--accent);}
.footer-brand p{color:rgba(255,255,255,.65);max-width:340px;margin-top:10px;font-size:14.5px;}
.footer-contact{display:flex;gap:26px;flex-wrap:wrap;}
.footer-contact a{font-size:14.5px;color:rgba(255,255,255,.85);}
.footer-contact a:hover{color:#fff;}
.footer-bottom{border-top:1px solid rgba(255,255,255,.12);padding:20px 0;}
.footer-bottom p{margin:0;font-size:13px;color:rgba(255,255,255,.5);font-family:var(--font-mono);}

/* ---------- additions ---------- */
.hero-media img{background:#fff;}
.hero-badge span{display:block;margin-top:2px;}
.btn-light{background:#fff;color:var(--navy-900);}
.btn-light:hover{background:var(--navy-100);}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;}
.footer-logo{display:inline-block;background:#fff;border-radius:var(--radius-md);padding:10px 14px;}
.footer-logo img{width:190px;height:auto;}
.wa-float{
  position:fixed;right:18px;bottom:18px;z-index:60;
  width:56px;height:56px;border-radius:50%;
  background:#1FAF54;color:#fff;
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 12px 26px -8px rgba(14,27,77,.45);
  transition:transform .15s ease;
}
.wa-float:hover{transform:scale(1.06);}

.card-media.cover img{object-fit:cover;padding:0;}
.card-media.ph,.feat-ph{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:10px;background:var(--navy-100);color:var(--navy-700);}
.card-media.ph svg{width:84px;height:84px;}
.card-media.ph span{font-family:var(--font-mono);font-size:11.5px;letter-spacing:.08em;text-transform:uppercase;}
.feat-ph{width:96px;height:96px;border-radius:var(--radius-md);flex-shrink:0;}
.feat-ph svg{width:52px;height:52px;}

/* ---------- featured showcase ---------- */
.featured{display:grid;grid-template-columns:1.6fr 1fr;grid-template-rows:1fr 1fr;gap:20px;margin-bottom:44px;}
.feat{
  display:flex;align-items:center;gap:16px;
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:18px 22px;transition:transform .18s ease, box-shadow .18s ease;
}
.feat:hover{transform:translateY(-3px);box-shadow:var(--shadow-card);}
.feat img{width:130px;height:96px;object-fit:contain;flex-shrink:0;}
.feat h3{font-size:18px;margin:0 0 .2em;}
.feat p{color:var(--muted);font-size:14px;margin:0 0 .5em;}
.feat-price{font-family:var(--font-mono);font-weight:600;font-size:17px;color:var(--navy-900);}
.feat-main{
  grid-row:1 / 3;padding:0;overflow:hidden;align-items:stretch;gap:0;
  background:linear-gradient(135deg,var(--navy-900),var(--navy-700));border:none;
}
.feat-main .feat-copy{padding:32px;display:flex;flex-direction:column;justify-content:center;flex:1;}
.feat-main img{width:48%;height:auto;min-height:260px;object-fit:cover;}
.feat-main h3{color:#fff;font-size:clamp(24px,2.6vw,32px);}
.feat-main p{color:rgba(255,255,255,.8);font-size:15.5px;}
.feat-main .feat-price{color:#fff;font-size:26px;margin:6px 0 14px;}
.feat-kicker{font-family:var(--font-mono);font-size:11.5px;letter-spacing:.12em;text-transform:uppercase;color:#9FE3B4;margin-bottom:10px;}
.feat-cta{align-self:flex-start;background:#fff;color:var(--navy-900);font-weight:700;font-size:14px;padding:10px 18px;border-radius:999px;}
@media (max-width:900px){
  .featured{grid-template-columns:1fr;grid-template-rows:auto;}
  .feat-main{grid-row:auto;}
}
@media (max-width:640px){
  .feat-main{flex-direction:column-reverse;}
  .feat img{width:96px;height:72px;}
  .feat-main img{width:100%;height:auto;min-height:0;aspect-ratio:16/10;}
  .feat-main .feat-copy{padding:22px;}
}

/* =========================================================
   RESPONSIVE
   ========================================================= */

@media (max-width:900px){

  .header-inner{
    height:76px;
    gap:16px;
  }

  .logo-img{
    width:200px;
    max-height:64px;
  }

  .hero-inner,
  .how-inner{
    grid-template-columns:1fr;
  }

  .how-media{
    order:-1;
  }

  .product-grid{
    grid-template-columns:repeat(2,1fr);
  }

  .why-grid,
  .steps{
    grid-template-columns:1fr;
  }

  .main-nav{
    display:none;
    position:absolute;
    top:100%;
    left:0;
    right:0;
    background:var(--paper);
    border-bottom:1px solid var(--line);
    flex-direction:column;
    gap:0;
    padding:8px 24px 16px;
  }

  .main-nav.is-open{
    display:flex;
  }

  .main-nav a{
    padding:12px 0;
    border-bottom:1px solid var(--line);
  }

  .main-nav a:last-child{
    border-bottom:none;
  }

  .nav-toggle{
    display:flex;
    flex-direction:column;
    justify-content:center;
    gap:5px;
    width:38px;
    height:38px;
    background:none;
    border:none;
    cursor:pointer;
    padding:0;
  }

  .nav-toggle span{
    width:22px;
    height:2px;
    background:var(--ink);
    border-radius:2px;
    transition:transform .2s ease, opacity .2s ease;
  }

  .nav-toggle[aria-expanded="true"] span:nth-child(1){
    transform:translateY(7px) rotate(45deg);
  }

  .nav-toggle[aria-expanded="true"] span:nth-child(2){
    opacity:0;
  }

  .nav-toggle[aria-expanded="true"] span:nth-child(3){
    transform:translateY(-7px) rotate(-45deg);
  }
}

@media (max-width:640px){

  .header-inner{
    height:68px;
    gap:12px;
  }

  .logo-img{
    width:155px;
    max-height:56px;
  }

  .header-call span{
    display:none;
  }

  .header-call svg{
    margin:0;
  }

  .header-call{
    padding:10px;
    border-radius:50%;
  }

  .hero{
    padding:32px 0 48px;
  }

  .hero-media img{
    aspect-ratio:4/3;
  }

  .hero-badge{
    left:12px;
    bottom:12px;
    padding:10px 14px;
  }

  .hero-badge strong{
    font-size:16px;
  }

  .product-grid{
    grid-template-columns:1fr;
    gap:16px;
  }

  .catalog,
  .how,
  .why{
    padding:48px 0;
  }

  .section-head{
    margin-bottom:28px;
  }

  .filter-bar{
    margin-bottom:24px;
    padding-bottom:16px;
    gap:8px;
  }

  .filter-btn{
    padding:7px 12px;
    font-size:12px;
  }

  .why-card{
    padding:24px 20px;
  }

  .cta-strip{
    padding:40px 0;
  }

  .cta-strip-inner{
    flex-direction:column;
    align-items:flex-start;
  }

  .footer-inner{
    flex-direction:column;
    gap:24px;
    padding:32px 0 24px;
  }
}

@media (max-width:360px){
  .logo-img{
    width:130px;
    max-height:48px;
  }

  .header-inner{
    gap:8px;
  }

  .hero-copy h1{
    font-size:28px;
  }

  .hero-actions{
    flex-direction:column;
    align-items:stretch;
  }

  .btn{
    width:100%;
  }
}

@media (prefers-reduced-motion: reduce){
  *{
    transition:none !important;
    scroll-behavior:auto !important;
  }
}