/* ===== LAB3D — Professional ===== */
:root{
  --teal:#0f8f86; --teal-d:#0a635d; --teal-dd:#073f3b;
  --ink:#14201e; --muted:#5f6b68; --line:#e7e2d8;
  --bg:#fbf9f5; --bg-2:#f3efe6; --card:#ffffff;
  --gold:#c69a4c;
  --radius:16px; --radius-lg:22px;
  --shadow-s:0 1px 2px rgba(20,32,30,.05), 0 4px 12px rgba(20,32,30,.05);
  --shadow-m:0 8px 30px rgba(20,32,30,.10);
  --shadow-l:0 24px 60px rgba(10,63,59,.18);
  --maxw:1160px;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  font-family:'Inter',system-ui,-apple-system,sans-serif;
  color:var(--ink); background:var(--bg); line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,.logo-word{font-family:'Manrope','Inter',sans-serif;letter-spacing:-.02em;line-height:1.12}
img{max-width:100%;display:block}
a{text-decoration:none;color:inherit}
.container{max-width:var(--maxw);margin:0 auto;padding:0 24px}
.grad{background:linear-gradient(90deg,var(--teal),var(--gold));-webkit-background-clip:text;background-clip:text;color:transparent}
.eyebrow{display:inline-block;font-size:12px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;
  color:var(--teal-d);background:rgba(15,143,134,.09);padding:6px 12px;border-radius:999px;margin-bottom:16px}
.eyebrow.light{color:#eafffb;background:rgba(255,255,255,.14)}

/* Buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font-family:'Manrope',sans-serif;
  font-weight:700;border-radius:12px;cursor:pointer;border:1.5px solid transparent;transition:.2s;white-space:nowrap;font-size:15px}
.btn-sm{padding:9px 16px;font-size:14px}
.btn-lg{padding:15px 28px;font-size:16px}
.btn-block{width:100%;padding:15px;font-size:16px}
.btn-primary{background:var(--teal);color:#fff;box-shadow:0 6px 18px rgba(15,143,134,.28)}
.btn-primary:hover{background:var(--teal-d);transform:translateY(-2px);box-shadow:0 10px 26px rgba(15,143,134,.36)}
.btn-outline{background:transparent;color:var(--teal-d);border-color:var(--teal)}
.btn-outline:hover{background:var(--teal);color:#fff;transform:translateY(-2px)}
.btn-ghost{background:rgba(15,143,134,.08);color:var(--teal-d)}
.btn-ghost:hover{background:rgba(15,143,134,.16)}

/* Topbar */
.topbar{background:var(--teal-dd);color:#d9f5f1;font-size:13px}
.topbar-inner{display:flex;gap:12px;justify-content:center;align-items:center;padding:9px 24px;flex-wrap:wrap}
.dot-sep{opacity:.5}

/* Nav */
#nav{position:sticky;top:0;z-index:50;background:rgba(251,249,245,.8);backdrop-filter:blur(14px);
  border-bottom:1px solid transparent;transition:.25s}
#nav.scrolled{background:rgba(251,249,245,.92);border-bottom-color:var(--line);box-shadow:var(--shadow-s)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:70px;gap:20px}
.logo{display:flex;align-items:center;gap:10px;font-weight:800}
.logo-mark{background:var(--teal);color:#fff;font-family:'Manrope';font-weight:800;font-size:14px;
  width:38px;height:38px;border-radius:11px;display:grid;place-items:center;letter-spacing:.02em;box-shadow:var(--shadow-s)}
.logo-word{font-size:20px;color:var(--ink)}
.nav-links{display:flex;gap:28px;margin-left:auto}
.nav-links a{font-size:15px;font-weight:500;color:var(--muted);transition:.2s;position:relative}
.nav-links a:hover{color:var(--teal-d)}
.nav-links a::after{content:"";position:absolute;left:0;bottom:-6px;width:0;height:2px;background:var(--teal);transition:.2s;border-radius:2px}
.nav-links a:hover::after{width:100%}
.nav-cta{display:flex;gap:10px;align-items:center}
.nav-burger{display:none;background:none;border:none;font-size:24px;cursor:pointer;color:var(--ink)}

/* Hero */
.hero{position:relative;overflow:hidden;padding:80px 0 60px}
.hero-glow{position:absolute;top:-200px;right:-150px;width:700px;height:700px;pointer-events:none;
  background:radial-gradient(circle,rgba(15,143,134,.16),transparent 60%);filter:blur(20px)}
.hero-inner{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center;position:relative}
.hero h1{font-size:clamp(34px,5vw,56px);font-weight:800;margin-bottom:20px}
.hero-content>p{font-size:18px;color:var(--muted);max-width:520px;margin-bottom:30px}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:38px}
.hero-stats{display:flex;gap:38px}
.stat{display:flex;flex-direction:column}
.stat-num{font-family:'Manrope';font-weight:800;font-size:26px;color:var(--teal-d)}
.stat-lbl{font-size:13px;color:var(--muted)}

/* Hero card mockup */
.hero-visual{display:flex;justify-content:center}
.hero-card{width:100%;max-width:380px;background:var(--card);border-radius:var(--radius-lg);
  box-shadow:var(--shadow-l);overflow:hidden;border:1px solid var(--line);transform:rotate(1.5deg)}
.hero-card-top{background:var(--teal-dd);padding:14px 18px;display:flex;align-items:center;gap:7px}
.hc-dot{width:10px;height:10px;border-radius:50%;background:rgba(255,255,255,.35)}
.hc-title{color:#d9f5f1;font-size:13px;font-weight:600;margin-left:8px}
.hero-card-body{padding:16px}
.hc-item{display:flex;align-items:center;gap:12px;padding:12px;border-radius:14px;background:var(--bg);margin-bottom:10px}
.hc-thumb{width:44px;height:44px;border-radius:11px;background:#e3f4f2;display:grid;place-items:center;font-size:22px}
.hc-info{flex:1;display:flex;flex-direction:column}
.hc-info b{font-size:15px}
.hc-info span{font-size:12px;color:var(--muted)}
.hc-price{font-family:'Manrope';font-weight:800;color:var(--teal-d)}
.hc-order{margin-top:6px;background:rgba(31,143,74,.1);color:#1f8f4a;font-weight:600;font-size:13px;
  text-align:center;padding:11px;border-radius:12px}

/* Marquee */
.marquee{background:var(--teal-dd);color:#bfeee8;overflow:hidden;padding:14px 0}
.marquee-inner{display:flex;gap:24px;font-family:'Manrope';font-weight:700;font-size:14px;letter-spacing:.1em;
  justify-content:center;flex-wrap:wrap}
.marquee-inner span{opacity:.85}

/* Sections */
.section{padding:84px 0}
.section-head{text-align:center;max-width:640px;margin:0 auto 48px}
.section-title{font-size:clamp(28px,4vw,40px);font-weight:800}
.section-sub{color:var(--muted);font-size:17px;margin-top:12px}

/* Features */
.features{background:var(--bg)}
.feature-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.feature-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:28px 24px;
  box-shadow:var(--shadow-s);transition:.25s}
.feature-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-m);border-color:rgba(15,143,134,.3)}
.feat-icon{width:54px;height:54px;border-radius:14px;background:linear-gradient(135deg,#e3f4f2,#d4ece9);
  display:grid;place-items:center;font-size:26px;margin-bottom:18px}
.feature-card h3{font-size:18px;margin-bottom:8px}
.feature-card p{font-size:14.5px;color:var(--muted)}

/* How */
.how{background:var(--bg-2)}
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;position:relative}
.step{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:30px 26px;box-shadow:var(--shadow-s)}
.step-no{display:grid;place-items:center;width:44px;height:44px;border-radius:12px;background:var(--teal);color:#fff;
  font-family:'Manrope';font-weight:800;font-size:20px;margin-bottom:16px;box-shadow:0 6px 16px rgba(15,143,134,.28)}
.step h3{font-size:19px;margin-bottom:8px}
.step p{color:var(--muted);font-size:15px}

/* Products */
.products-section{background:var(--bg)}
.product-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:22px}
.loading{grid-column:1/-1;text-align:center;color:var(--muted);padding:40px}
.p-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;
  box-shadow:var(--shadow-s);transition:.25s;display:flex;flex-direction:column}
.p-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-m)}
.p-imgwrap{position:relative;background:#eef6f5;aspect-ratio:1/1;overflow:hidden;display:flex;scroll-snap-type:x mandatory;overflow-x:auto}
.p-imgwrap img{width:100%;height:100%;object-fit:cover;flex-shrink:0;scroll-snap-align:center}
.p-imgwrap .p-ph{width:100%;height:100%;display:grid;place-items:center;font-size:52px}
.p-badge{position:absolute;top:12px;left:12px;background:var(--gold);color:#fff;font-size:12px;font-weight:700;
  padding:5px 11px;border-radius:999px;z-index:2;box-shadow:var(--shadow-s)}
.p-body{padding:16px 18px;display:flex;flex-direction:column;gap:6px;flex:1}
.p-name{font-family:'Manrope';font-weight:700;font-size:16px}
.p-desc{font-size:13px;color:var(--muted);flex:1}
.p-price{font-family:'Manrope';font-weight:800;font-size:20px;color:var(--teal-d);margin-top:4px}
.product-cta-container{display:flex;gap:14px;justify-content:center;margin-top:44px;flex-wrap:wrap}

/* Calculator */
.calc-section-wrap{background:var(--bg-2)}
.calc-grid{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:start}
.calc-intro{position:sticky;top:100px}
.calc-intro p{color:var(--muted);font-size:17px;margin:14px 0 22px}
.calc-points{list-style:none;display:flex;flex-direction:column;gap:10px}
.calc-points li{font-weight:600;color:var(--ink)}
.calc-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius-lg);padding:28px;box-shadow:var(--shadow-m)}
.field{margin-bottom:16px}
.field label{display:block;font-size:14px;font-weight:600;margin-bottom:7px;color:#3a4744}
.field .hint{font-weight:400;color:var(--muted);font-size:12px}
.field input,.profit-calc input{width:100%;padding:13px 15px;border:1.5px solid var(--line);border-radius:12px;
  font-size:16px;font-family:inherit;background:var(--bg);color:var(--ink);transition:.15s}
.field input:focus,.profit-calc input:focus{outline:none;border-color:var(--teal);background:#fff;box-shadow:0 0 0 3px rgba(15,143,134,.12)}
.field-row{display:flex;gap:12px}
.check{display:flex;align-items:flex-start;gap:10px;cursor:pointer;font-size:14px;color:#3a4744;margin:6px 0 18px}
.check input{width:20px;height:20px;accent-color:var(--teal);flex:none;margin-top:1px}
.price-box{display:flex;justify-content:space-between;align-items:center;background:linear-gradient(135deg,var(--teal),var(--teal-d));
  color:#fff;border-radius:14px;padding:18px 20px;margin:6px 0 18px;box-shadow:var(--shadow-m)}
.price-box span{font-size:14px;opacity:.9;font-weight:500}
.price-box strong{font-family:'Manrope';font-weight:800;font-size:28px}
.fineprint{font-size:12.5px;color:var(--muted);text-align:center;margin-top:14px}

/* Profit */
.profit-section{background:var(--teal-dd);color:#fff}
.profit-card{display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:center}
.profit-text h2{font-size:clamp(26px,3.5vw,38px);font-weight:800;margin-bottom:12px}
.profit-text p{color:#bfeee8;font-size:17px}
.profit-calc{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);border-radius:var(--radius-lg);padding:26px;backdrop-filter:blur(6px)}
.profit-calc label{color:#d9f5f1}
.profit-calc input{background:rgba(255,255,255,.95);border-color:transparent}
.profit-result{display:flex;justify-content:space-between;align-items:center;margin-top:6px;padding-top:18px;border-top:1px solid rgba(255,255,255,.15)}
.profit-result span{color:#d9f5f1;font-size:14px}
.profit-result strong{font-family:'Manrope';font-weight:800;font-size:32px;color:#fff}

/* Contact */
.contact-section{background:var(--bg)}
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}
.contact-info h2{font-size:clamp(28px,4vw,40px);font-weight:800;margin-bottom:12px}
.contact-info>p{color:var(--muted);font-size:17px;margin-bottom:26px}
.contact-methods{display:flex;flex-direction:column;gap:14px}
.cm{display:flex;align-items:center;gap:14px;background:var(--card);border:1px solid var(--line);border-radius:14px;
  padding:16px 18px;box-shadow:var(--shadow-s);transition:.2s}
.cm:hover{transform:translateX(4px);box-shadow:var(--shadow-m)}
.cm-ic{width:46px;height:46px;border-radius:12px;background:#e3f4f2;display:grid;place-items:center;font-size:22px}
.cm b{font-family:'Manrope'}
.contact-form-box{background:var(--card);border:1px solid var(--line);border-radius:var(--radius-lg);padding:30px;box-shadow:var(--shadow-m)}
.kvkk{font-size:12.5px;color:var(--muted)}

/* Footer */
footer{background:var(--ink);color:#c8d2d0}
.footer-inner{display:grid;grid-template-columns:1.3fr 2fr;gap:48px;padding:56px 24px 40px}
.footer-brand .logo{margin-bottom:14px}
.footer-brand .logo-word{color:#fff}
.footer-brand p{color:#8b9997;font-size:14px;max-width:280px}
.footer-cols{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.footer-col h4{color:#fff;font-size:15px;margin-bottom:14px}
.footer-col a{display:block;color:#8b9997;font-size:14px;padding:5px 0;transition:.2s}
.footer-col a:hover{color:var(--teal)}
.footer-bottom{border-top:1px solid rgba(255,255,255,.08);padding:20px 0;font-size:13px;color:#7a8785;text-align:center}

/* WhatsApp float */
.wa-float{position:fixed;right:22px;bottom:22px;width:58px;height:58px;border-radius:50%;background:#25d366;
  color:#fff;display:grid;place-items:center;font-size:28px;box-shadow:0 8px 24px rgba(37,211,102,.45);z-index:60;transition:.2s}
.wa-float:hover{transform:scale(1.08)}

/* Reveal animation */
.reveal{opacity:0;transform:translateY(24px);transition:opacity .6s ease,transform .6s ease}
.reveal.in{opacity:1;transform:none}

/* Responsive */
@media(max-width:900px){
  .hero-inner,.calc-grid,.profit-card,.contact-grid,.footer-inner{grid-template-columns:1fr}
  .hero-visual{order:-1}
  .feature-grid{grid-template-columns:repeat(2,1fr)}
  .calc-intro{position:static}
  .nav-links,.nav-cta{display:none}
  .nav-links.open{display:flex;position:absolute;top:70px;left:0;right:0;background:var(--card);flex-direction:column;
    padding:16px 24px;gap:6px;box-shadow:var(--shadow-m);border-bottom:1px solid var(--line)}
  .nav-links.open a{padding:10px 0}
  .nav-burger{display:block}
}
@media(max-width:560px){
  .section{padding:56px 0}
  .feature-grid,.steps,.footer-cols{grid-template-columns:1fr}
  .hero-stats{gap:24px}
  .footer-cols{grid-template-columns:repeat(2,1fr)}
}