/* ===== tokens ===== */
:root{
  --ink:#12292B;
  --teal:#0E5C56;
  --teal-dark:#0A403C;
  --mint:#EFF6F3;
  --mint-deep:#E1EEE9;
  --coral:#FF6B4A;
  --gold:#F2C879;
  --white:#FFFFFF;
  --line: rgba(18,41,43,0.1);
  --shadow: 0 20px 40px -20px rgba(14,92,86,0.35);
  --radius: 18px;
  --font-display:"Fraunces", serif;
  --font-body:"Inter", sans-serif;
  --font-mono:"IBM Plex Mono", monospace;
}

*{margin:0;padding:0;box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  font-family: var(--font-body);
  color: var(--ink);
  background: var(--white);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
ul{list-style:none;}
.wrap{max-width:1180px;margin:0 auto;padding:0 28px;}

h1,h2,h3,h4{font-family:var(--font-display);font-weight:600;line-height:1.12;letter-spacing:-0.01em;}
h1{font-size:clamp(2.4rem,5vw,3.8rem);}
h2{font-size:clamp(1.8rem,3.2vw,2.6rem);}
em{font-style:italic;color:var(--teal);}

.eyebrow{
  font-family:var(--font-mono);
  font-size:0.72rem;
  letter-spacing:0.14em;
  text-transform:uppercase;
  color:var(--teal);
}
.eyebrow.center{text-align:center;}
.section-title{margin-top:8px;margin-bottom:44px;}
.section-title.center{text-align:center;}

.btn{
  display:inline-flex;align-items:center;gap:8px;
  padding:14px 26px;border-radius:999px;
  font-weight:600;font-size:0.95rem;
  border:1px solid transparent;
  cursor:pointer;transition:transform .25s ease, box-shadow .25s ease, background .25s ease;
}
.btn-primary{background:var(--teal);color:var(--white);box-shadow:var(--shadow);}
.btn-primary:hover{transform:translateY(-3px);}
.btn-ghost{border-color:var(--line);color:var(--ink);}
.btn-ghost:hover{background:var(--mint);}
.btn-light{background:var(--white);color:var(--coral);}
.btn-light:hover{transform:translateY(-3px);}

/* ===== reveal on scroll ===== */
.reveal{opacity:0;transform:translateY(24px);transition:opacity .8s ease, transform .8s ease;}
.reveal.in{opacity:1;transform:translateY(0);}

/* ===== header ===== */
.site-header{
  position:sticky;top:0;z-index:100;
  background:rgba(255,255,255,0.75);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:76px;}
.logo{display:flex;align-items:center;gap:10px;font-family:var(--font-display);font-weight:600;font-size:1.3rem;}
.logo-mark{
  position:relative;width:30px;height:30px;border-radius:9px;
  background:var(--teal);overflow:hidden;flex:none;
}
.logo-sweep{
  position:absolute;left:0;top:0;width:100%;height:2px;background:var(--gold);
  animation:sweep 2.6s ease-in-out infinite;
}
@keyframes sweep{
  0%{top:0;opacity:0;} 10%{opacity:1;} 90%{opacity:1;} 100%{top:100%;opacity:0;}
}
.nav{display:flex;align-items:center;gap:30px;font-size:0.95rem;font-weight:500;}
.nav a{position:relative;padding:4px 0;}
.nav a:not(.nav-cta)::after{
  content:"";position:absolute;left:0;bottom:-2px;width:0;height:2px;background:var(--coral);
  transition:width .25s ease;
}
.nav a:not(.nav-cta):hover::after{width:100%;}
.nav-cta{
  background:var(--ink);color:var(--white)!important;padding:10px 20px;border-radius:999px;
  transition:background .25s ease;
}
.nav-cta:hover{background:var(--teal);}
.nav-toggle{display:none;flex-direction:column;gap:5px;background:none;border:none;cursor:pointer;}
.nav-toggle span{width:24px;height:2px;background:var(--ink);}

/* ===== hero ===== */
.hero{background:linear-gradient(180deg,var(--mint) 0%, var(--white) 78%);padding-top:64px;overflow:hidden;}
.hero-grid{display:grid;grid-template-columns:1.05fr 0.95fr;gap:40px;align-items:center;padding-bottom:60px;}
.hero-sub{margin:20px 0 30px;max-width:460px;color:#3c5254;font-size:1.05rem;}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;}
.hero-stats{display:flex;gap:36px;margin-top:46px;}
.hero-stats strong{display:block;font-family:var(--font-display);font-size:1.5rem;color:var(--teal);}
.hero-stats span{font-size:0.8rem;color:#5b6f70;}

.hero-visual{display:flex;justify-content:center;}
.scan-panel{
  position:relative;width:280px;height:340px;
  background:var(--ink);border-radius:28px;overflow:hidden;
  box-shadow:var(--shadow);
}
.scan-body{position:absolute;inset:0;margin:auto;width:70%;fill:none;stroke:rgba(242,200,121,0.55);stroke-width:1.4;}
.scan-line{
  position:absolute;left:0;width:100%;height:64px;
  background:linear-gradient(180deg, rgba(242,200,121,0) 0%, rgba(242,200,121,0.35) 50%, rgba(242,200,121,0) 100%);
  animation:scan 3.2s ease-in-out infinite;
}
@keyframes scan{
  0%{top:-64px;} 50%{top:100%;} 50.01%{top:-64px;} 100%{top:-64px;}
}
.scan-chip{
  position:absolute;font-family:var(--font-mono);font-size:0.68rem;color:var(--mint);
  background:rgba(255,255,255,0.08);border:1px solid rgba(255,255,255,0.18);
  padding:6px 10px;border-radius:999px;backdrop-filter:blur(4px);
}
.chip-skin{top:14%;left:8%;}
.chip-thyroid{top:44%;right:6%;}
.chip-scan{bottom:12%;left:14%;}

/* image slider */
.slider{overflow:hidden;border-top:1px solid var(--line);background:var(--white);}
.slider-track{display:flex;width:max-content;animation:marquee 26s linear infinite;}
.slider:hover .slider-track{animation-play-state:paused;}
@keyframes marquee{from{transform:translateX(0);}to{transform:translateX(-50%);}}
.slide{position:relative;width:240px;height:150px;flex:none;margin:18px 10px;border-radius:14px;overflow:hidden;}
.slide img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease;}
.slide:hover img{transform:scale(1.08);}
.slide span{
  position:absolute;left:10px;bottom:10px;color:#fff;font-size:0.78rem;font-weight:600;
  background:rgba(18,41,43,0.55);padding:4px 10px;border-radius:999px;
}

/* ===== services ===== */
.services{padding:100px 0;}
.service-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px;}
.service-card{
  background:var(--mint);border-radius:var(--radius);padding:26px;
  transition:transform .35s ease, box-shadow .35s ease;
}
.service-card:hover{transform:translateY(-8px);box-shadow:var(--shadow);}
.service-media{position:relative;height:180px;border-radius:14px;overflow:hidden;margin-bottom:18px;}
.service-media img{width:100%;height:100%;object-fit:cover;}
.service-sweep{
  position:absolute;inset:0;background:linear-gradient(120deg,transparent 40%, rgba(255,255,255,0.5) 50%, transparent 60%);
  transform:translateX(-120%);
}
.service-card:hover .service-sweep{transform:translateX(120%);transition:transform .8s ease;}
.service-tag{font-family:var(--font-mono);font-size:0.7rem;color:var(--teal);letter-spacing:0.08em;text-transform:uppercase;margin-bottom:6px;}
.service-card h3{font-size:1.3rem;margin-bottom:8px;}
.service-card p{color:#3c5254;font-size:0.94rem;margin-bottom:14px;}
.service-link{font-weight:600;color:var(--coral);font-size:0.9rem;}

/* ===== features ===== */
.features{background:var(--ink);color:var(--mint);padding:80px 0;}
.features-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:30px;}
.feature-num{font-family:var(--font-mono);color:var(--gold);font-size:0.85rem;}
.feature h4{font-family:var(--font-display);font-weight:600;font-size:1.15rem;margin:10px 0 8px;}
.feature p{color:rgba(239,246,243,0.7);font-size:0.9rem;}

/* ===== about ===== */
.about{padding:110px 0;}
.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center;}
.about-copy p{color:#3c5254;margin:18px 0 24px;max-width:480px;}
.about-list{margin-bottom:30px;}
.about-list li{padding:12px 0;border-top:1px solid var(--line);font-size:0.95rem;color:#3c5254;}
.about-list span{color:var(--teal);font-weight:700;font-family:var(--font-display);margin-right:6px;}

.about-visual{position:relative;height:420px;}
.pulse-ring{
  position:absolute;top:50%;left:50%;width:220px;height:220px;
  transform:translate(-50%,-50%);border-radius:50%;
  border:1px solid var(--teal);opacity:0.4;
  animation:pulse 3.4s ease-out infinite;
}
@keyframes pulse{
  0%{transform:translate(-50%,-50%) scale(0.7);opacity:0.5;}
  100%{transform:translate(-50%,-50%) scale(1.6);opacity:0;}
}
.float-card{
  position:absolute;width:190px;background:var(--white);border:1px solid var(--line);
  border-radius:14px;padding:16px 18px;box-shadow:var(--shadow);
  animation:float 5s ease-in-out infinite;
}
.float-card .dot{width:8px;height:8px;border-radius:50%;background:var(--coral);display:inline-block;margin-bottom:8px;}
.float-card p{font-weight:700;font-size:0.95rem;}
.float-card small{color:#5b6f70;font-size:0.78rem;}
.card-1{top:6%;left:2%;animation-delay:0s;}
.card-2{top:40%;right:0;animation-delay:1s;}
.card-3{bottom:4%;left:14%;animation-delay:2s;}
@keyframes float{
  0%,100%{transform:translateY(0);} 50%{transform:translateY(-14px);}
}

/* ===== faq ===== */
.faq{background:var(--mint);padding:100px 0;}
.faq-list{max-width:760px;margin:0 auto;}
.faq-item{
  background:var(--white);border-radius:14px;padding:20px 24px;margin-bottom:14px;
  border:1px solid var(--line);
}
.faq-item summary{
  display:flex;justify-content:space-between;align-items:center;cursor:pointer;
  font-weight:600;list-style:none;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-icon{width:20px;height:20px;position:relative;flex:none;}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;background:var(--teal);top:50%;left:50%;transform:translate(-50%,-50%);
}
.faq-icon::before{width:12px;height:2px;}
.faq-icon::after{width:2px;height:12px;transition:transform .25s ease;}
.faq-item[open] .faq-icon::after{transform:translate(-50%,-50%) rotate(90deg) scaleY(0);}
.faq-item p{margin-top:14px;color:#3c5254;font-size:0.95rem;}

/* ===== cta ===== */
.cta{background:linear-gradient(120deg,var(--coral),#ff8a6b);padding:90px 0;color:var(--white);}
.cta-inner{text-align:center;max-width:640px;margin:0 auto;}
.cta-inner p{margin:16px 0 30px;opacity:0.92;}

/* ===== reviews ===== */
.reviews{padding:100px 0 40px;}
.review-track{
  display:flex;gap:22px;overflow-x:auto;padding:0 28px 20px;scroll-snap-type:x mandatory;
}
.review-card{
  scroll-snap-align:start;flex:none;width:320px;background:var(--mint);border-radius:var(--radius);
  padding:26px;
}
.review-stars{color:var(--gold);letter-spacing:2px;margin-bottom:10px;}
.review-text{color:#3c5254;font-size:0.95rem;margin-bottom:18px;}
.review-name{font-weight:700;}
.review-name span{display:block;font-weight:400;color:#5b6f70;font-size:0.82rem;}

/* ===== contact form (horizontal) ===== */
.contact{padding:20px 0 110px;}
.contact-form{
  display:flex;flex-wrap:wrap;gap:14px;align-items:center;justify-content:center;
  background:var(--ink);padding:26px;border-radius:20px;max-width:980px;margin:0 auto;
}
.contact-form input,.contact-form select{
  flex:1 1 180px;padding:14px 16px;border-radius:10px;border:1px solid rgba(255,255,255,0.15);
  background:rgba(255,255,255,0.06);color:var(--white);font-family:var(--font-body);font-size:0.92rem;
}
.contact-form input::placeholder{color:rgba(239,246,243,0.55);}
.contact-form select{color:rgba(239,246,243,0.85);}
.contact-form select option{color:var(--ink);background:var(--white);}
.contact-form button{flex:0 0 auto;}

/* ===== footer ===== */
.site-footer{background:var(--teal-dark);color:var(--mint);padding:70px 0 0;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px;padding-bottom:50px;border-bottom:1px solid rgba(239,246,243,0.12);}
.footer-logo{color:var(--white);margin-bottom:14px;}
.footer-col p{color:rgba(239,246,243,0.65);font-size:0.9rem;}
.footer-col h5{font-family:var(--font-display);margin-bottom:16px;font-size:1.05rem;}
.footer-col a{display:block;color:rgba(239,246,243,0.75);font-size:0.9rem;margin-bottom:10px;transition:color .2s ease;}
.footer-col a:hover{color:var(--gold);}
.social-row{display:flex;gap:10px;}
.social-row a{
  width:38px;height:38px;border-radius:50%;border:1px solid rgba(239,246,243,0.25);
  display:flex;align-items:center;justify-content:center;font-size:0.75rem;margin-bottom:0;
}
.social-row a:hover{background:var(--gold);color:var(--ink);border-color:var(--gold);}
.footer-bottom{padding:22px 0;text-align:center;font-size:0.82rem;color:rgba(239,246,243,0.55);}

/* ===== responsive ===== */
@media (max-width:900px){
  .hero-grid,.about-grid{grid-template-columns:1fr;}
  .hero-visual{order:-1;}
  .service-grid{grid-template-columns:1fr;}
  .features-grid{grid-template-columns:1fr 1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;}
  .nav{
    position:absolute;top:76px;left:0;right:0;background:var(--white);
    flex-direction:column;align-items:flex-start;padding:20px 28px;gap:16px;
    border-bottom:1px solid var(--line);
    transform:translateY(-8px);opacity:0;pointer-events:none;transition:all .25s ease;
  }
  .nav.open{transform:translateY(0);opacity:1;pointer-events:auto;}
  .nav-toggle{display:flex;}
  .about-visual{height:340px;}
}
@media (max-width:560px){
  .features-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;}
  .contact-form{flex-direction:column;align-items:stretch;}
}

@media (prefers-reduced-motion: reduce){
  *{animation-duration:0.001ms!important;animation-iteration-count:1!important;transition-duration:0.001ms!important;}
}