:root{
  --bg:#f4f7f6;
  --surface:#ffffff;
  --surface-2:#eef3f2;
  --text:#12211f;
  --muted:#5c6f6b;
  --border:#dde7e4;
  --brand:#0f766e;
  --brand-2:#0d9488;
  --accent:#14b8a6;
  --grad:linear-gradient(135deg,#0f766e 0%,#14b8a6 100%);
  --r:18px;
  --r-sm:12px;
  --sh-1:0 1px 2px rgba(15,60,55,.06);
  --sh-2:0 10px 30px rgba(15,60,55,.10);
  --sh-3:0 24px 60px rgba(15,60,55,.14);
  --wrap:1160px;
  --font:'Segoe UI',system-ui,-apple-system,'Inter',Roboto,'Helvetica Neue',Arial,sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font);
  color:var(--text);
  background:var(--bg);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4{line-height:1.12;margin:0;font-weight:800;letter-spacing:-.02em}
p{margin:0}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 24px}
.wrap.narrow{max-width:820px}

/* Buttons */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  background:var(--grad);color:#fff;font-weight:700;font-size:1rem;
  padding:14px 26px;border-radius:999px;border:0;cursor:pointer;
  box-shadow:var(--sh-2);transition:transform .18s ease,box-shadow .18s ease,filter .18s ease;
  white-space:nowrap;
}
.btn:hover{transform:translateY(-2px);box-shadow:var(--sh-3);filter:brightness(1.05)}
.btn:active{transform:translateY(0)}
.btn-sm{padding:10px 20px;font-size:.94rem}
.btn-ghost{background:transparent;color:var(--brand);box-shadow:none;border:1.5px solid var(--border)}
.btn-ghost:hover{background:var(--surface);border-color:var(--brand);filter:none}
.btn-block{width:100%}

.eyebrow{
  display:inline-block;font-size:.82rem;font-weight:800;letter-spacing:.14em;
  text-transform:uppercase;color:var(--brand-2);margin-bottom:14px;
}
.eyebrow.light{color:rgba(255,255,255,.85)}
.pill{
  display:inline-block;padding:7px 16px;border-radius:999px;
  background:var(--surface);border:1px solid var(--border);
  color:var(--brand);font-weight:700;font-size:.85rem;box-shadow:var(--sh-1);
  margin-bottom:22px;
}

/* Header */
.site-head{
  position:sticky;top:0;z-index:50;
  background:rgba(244,247,246,.78);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--border);
}
.head-inner{display:flex;align-items:center;gap:24px;height:72px}
.brand{display:flex;align-items:center;gap:11px;font-weight:800}
.brand-mark{
  width:42px;height:42px;border-radius:12px;display:grid;place-items:center;
  background:var(--grad);color:#fff;box-shadow:var(--sh-2);
}
.brand-txt{display:flex;flex-direction:column;line-height:1.05;font-size:1.14rem;letter-spacing:-.02em}
.brand-txt small{font-size:.68rem;font-weight:600;color:var(--muted);letter-spacing:.02em}
.nav{display:flex;gap:26px;margin-left:auto}
.nav a{color:var(--muted);font-weight:600;font-size:.96rem;transition:color .15s}
.nav a:hover{color:var(--brand)}
.head-inner .btn{margin-left:8px}
.nav+.btn-sm{margin-left:0}
.burger{display:none;flex-direction:column;gap:5px;background:none;border:0;cursor:pointer;padding:8px}
.burger span{width:24px;height:2px;background:var(--text);border-radius:2px;transition:.25s}

/* Hero */
.hero{position:relative;padding:72px 0 84px;overflow:hidden}
.hero::before{
  content:"";position:absolute;inset:0;z-index:-1;
  background:
    radial-gradient(60% 55% at 85% 15%,rgba(20,184,166,.16),transparent 70%),
    radial-gradient(50% 50% at 10% 90%,rgba(15,118,110,.12),transparent 70%);
}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center}
.hero-text h1{font-size:clamp(2.3rem,4.8vw,3.7rem);margin-bottom:20px}
.lead{font-size:clamp(1.05rem,1.6vw,1.22rem);color:var(--muted);max-width:560px;margin-bottom:30px}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:38px}
.hero-facts{list-style:none;padding:0;margin:0;display:flex;gap:36px;flex-wrap:wrap}
.hero-facts strong{display:block;font-size:1.9rem;font-weight:800;color:var(--brand);letter-spacing:-.03em}
.hero-facts span{color:var(--muted);font-size:.9rem}
.hero-media{position:relative}
.hero-img{width:100%;height:480px;object-fit:cover;border-radius:24px;box-shadow:var(--sh-3);border:1px solid var(--border)}
.hero-badge{
  position:absolute;left:-14px;bottom:26px;
  background:var(--surface);border:1px solid var(--border);border-radius:14px;
  padding:12px 16px;display:flex;align-items:center;gap:10px;
  font-weight:700;font-size:.9rem;color:var(--text);box-shadow:var(--sh-2);max-width:250px;
}
.hero-badge svg{color:var(--brand-2);flex-shrink:0}

/* Sections */
.section{padding:88px 0}
.section-alt{background:var(--surface-2)}
.sec-head{max-width:680px;margin:0 auto 52px;text-align:center}
.sec-head h2{font-size:clamp(1.8rem,3.4vw,2.7rem);margin-bottom:14px}
.sec-sub{color:var(--muted);font-size:1.06rem}

/* Service cards */
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.card{
  background:var(--surface);border:1px solid var(--border);border-radius:var(--r);
  padding:30px;box-shadow:var(--sh-1);transition:transform .2s ease,box-shadow .2s ease,border-color .2s;
  display:flex;flex-direction:column;
}
.card:hover{transform:translateY(-5px);box-shadow:var(--sh-2);border-color:var(--brand-2)}
.card-ic{
  width:52px;height:52px;border-radius:14px;display:grid;place-items:center;
  background:var(--surface-2);color:var(--brand);margin-bottom:18px;
}
.card h3{font-size:1.22rem;margin-bottom:10px}
.card p{color:var(--muted);font-size:.98rem;flex:1}
.card-foot{display:flex;align-items:center;justify-content:space-between;margin-top:20px;padding-top:16px;border-top:1px solid var(--border)}
.price{font-weight:800;font-size:1.14rem;color:var(--brand)}
.dur{font-size:.86rem;color:var(--muted);background:var(--surface-2);padding:5px 12px;border-radius:999px}

/* Benefits */
.benefit-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:56px;align-items:center}
.benefit-media img{width:100%;height:440px;object-fit:cover;border-radius:24px;box-shadow:var(--sh-2);border:1px solid var(--border)}
.benefit-text h2{font-size:clamp(1.8rem,3.4vw,2.6rem);margin-bottom:16px}
.check-list{list-style:none;padding:0;margin:24px 0 30px;display:grid;gap:12px}
.check-list li{position:relative;padding-left:34px;color:var(--text);font-weight:500}
.check-list li::before{
  content:"";position:absolute;left:0;top:2px;width:22px;height:22px;border-radius:7px;
  background:var(--grad);
  -webkit-mask:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath fill='none' stroke='%23fff' stroke-width='3' stroke-linecap='round' stroke-linejoin='round' d='m5 13 4 4L19 7'/%3E%3C/svg%3E") center/16px no-repeat;
  mask:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath fill='none' stroke='%23fff' stroke-width='3' stroke-linecap='round' stroke-linejoin='round' d='m5 13 4 4L19 7'/%3E%3C/svg%3E") center/16px no-repeat;
}

/* Steps */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.step{
  background:var(--surface);border:1px solid var(--border);border-radius:var(--r);
  padding:28px;box-shadow:var(--sh-1);position:relative;overflow:hidden;
}
.step-n{font-size:2.6rem;font-weight:800;color:var(--surface-2);letter-spacing:-.04em;display:block;line-height:1;margin-bottom:10px}
.step h3{font-size:1.12rem;margin-bottom:8px}
.step p{color:var(--muted);font-size:.94rem}

/* Calculator */
.calc{
  display:grid;grid-template-columns:1.3fr 1fr;gap:0;
  background:var(--surface);border:1px solid var(--border);border-radius:24px;
  overflow:hidden;box-shadow:var(--sh-2);max-width:960px;margin:0 auto;
}
.calc-fields{padding:38px}
.calc-result{padding:38px;background:var(--grad);color:#fff;display:flex;flex-direction:column;justify-content:center}
.field{display:block;margin-bottom:22px}
.field>span{display:block;font-weight:700;font-size:.94rem;margin-bottom:9px}
.field select,.field input[type=text],.field input[type=tel],.field textarea{
  width:100%;padding:13px 15px;border:1.5px solid var(--border);border-radius:var(--r-sm);
  font:inherit;background:var(--surface);color:var(--text);transition:border-color .15s,box-shadow .15s;
}
.field select:focus,.field input:focus,.field textarea:focus{
  outline:none;border-color:var(--brand-2);box-shadow:0 0 0 3px rgba(20,184,166,.15);
}
.field input[type=range]{width:100%;accent-color:var(--brand)}
.field.checkbox{display:flex;align-items:flex-start;gap:11px}
.field.checkbox input{width:20px;height:20px;margin-top:2px;accent-color:var(--brand);flex-shrink:0}
.field.checkbox span{margin:0;font-weight:500;font-size:.95rem}
.calc-total-label{font-size:.9rem;opacity:.85;letter-spacing:.05em;text-transform:uppercase;margin-bottom:6px}
.calc-total{font-size:2.8rem;font-weight:800;letter-spacing:-.03em;margin-bottom:8px}
.calc-note{font-size:.9rem;opacity:.85;margin-bottom:22px;min-height:20px}
.calc-result .btn{background:#fff;color:var(--brand)}
.calc-result .btn:hover{filter:brightness(.97)}

/* Specialist */
.spec-grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:56px;align-items:center}
.spec-media img{width:100%;height:460px;object-fit:cover;border-radius:24px;box-shadow:var(--sh-2);border:1px solid var(--border)}
.spec-text h2{font-size:clamp(1.8rem,3.4vw,2.6rem);margin-bottom:6px}
.spec-role{color:var(--brand-2);font-weight:700;margin-bottom:18px}
.spec-text p{color:var(--muted);margin-bottom:14px}
.cred{list-style:none;padding:0;margin:22px 0 0;display:grid;gap:12px}
.cred li{display:flex;align-items:center;gap:11px;font-weight:600}
.cred svg{color:var(--brand-2);flex-shrink:0}

/* Reviews */
.reviews{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.review{
  margin:0;background:var(--surface);border:1px solid var(--border);border-radius:var(--r);
  padding:30px;box-shadow:var(--sh-1);position:relative;
}
.review::before{content:"“";position:absolute;top:8px;left:22px;font-size:4rem;color:var(--surface-2);font-weight:800;line-height:1}
.review p{position:relative;color:var(--text);margin-bottom:18px}
.review footer{font-weight:700;color:var(--brand)}

/* Accordion */
.acc{display:grid;gap:14px}
.acc-item{
  background:var(--surface);border:1px solid var(--border);border-radius:var(--r);
  box-shadow:var(--sh-1);overflow:hidden;
}
.acc-item summary{
  list-style:none;cursor:pointer;padding:22px 26px;font-weight:700;font-size:1.06rem;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
}
.acc-item summary::-webkit-details-marker{display:none}
.acc-ic{position:relative;width:20px;height:20px;flex-shrink:0}
.acc-ic::before,.acc-ic::after{content:"";position:absolute;background:var(--brand);border-radius:2px;transition:.25s}
.acc-ic::before{top:9px;left:0;width:20px;height:2px}
.acc-ic::after{top:0;left:9px;width:2px;height:20px}
.acc-item[open] .acc-ic::after{transform:rotate(90deg);opacity:0}
.acc-body{padding:0 26px 24px;color:var(--muted)}

/* CTA / Booking */
.section-cta{position:relative;background:#0b1f1c;color:#fff;overflow:hidden}
.section-cta::before{
  content:"";position:absolute;inset:0;
  background:radial-gradient(50% 60% at 80% 20%,rgba(20,184,166,.22),transparent 70%),
             radial-gradient(45% 50% at 10% 90%,rgba(15,118,110,.25),transparent 70%);
}
.booking-grid{position:relative;display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.booking-text h2{font-size:clamp(1.8rem,3.4vw,2.6rem);margin-bottom:16px}
.booking-text p{color:rgba(255,255,255,.75);margin-bottom:26px}
.contacts{list-style:none;padding:0;margin:0;display:grid;gap:16px}
.contacts li{display:flex;align-items:center;gap:13px;font-weight:600}
.contacts svg{color:var(--accent);flex-shrink:0}
.booking-form{
  background:var(--surface);color:var(--text);border-radius:24px;padding:36px;box-shadow:var(--sh-3);
}
.form h3{font-size:1.4rem;margin-bottom:20px}
.form-err{background:#fdecec;color:#b42318;padding:12px 16px;border-radius:var(--r-sm);margin-bottom:18px;font-size:.94rem}
.form-note{font-size:.82rem;color:var(--muted);margin-top:14px;text-align:center}
.thanks{text-align:center;padding:20px 0}
.thanks-ic{width:74px;height:74px;border-radius:50%;background:var(--surface-2);color:var(--brand);display:grid;place-items:center;margin:0 auto 20px}
.thanks h3{font-size:1.5rem;margin-bottom:10px}
.thanks p{color:var(--muted);margin-bottom:22px}

/* Footer */
.site-foot{background:#081714;color:rgba(255,255,255,.72);padding:60px 0 26px}
.foot-inner{display:grid;grid-template-columns:2fr 1fr 1fr;gap:40px;padding-bottom:36px;border-bottom:1px solid rgba(255,255,255,.1)}
.foot-brand .brand-txt{color:#fff;font-size:1.3rem;margin-bottom:14px}
.foot-brand .brand-txt small{color:rgba(255,255,255,.5)}
.foot-brand p{max-width:340px;font-size:.95rem}
.foot-col h4{color:#fff;font-size:1rem;margin-bottom:16px}
.foot-col a,.foot-col span{display:block;margin-bottom:10px;font-size:.95rem;transition:color .15s}
.foot-col a:hover{color:var(--accent)}
.foot-bottom{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;padding-top:22px;font-size:.85rem;color:rgba(255,255,255,.5)}

/* Reveal */
html.js .reveal{opacity:0;transform:translateY(26px);transition:opacity .6s ease,transform .6s ease}
html.js .reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  html.js .reveal{opacity:1;transform:none;transition:none}
  html{scroll-behavior:auto}
}

/* Responsive */
@media (max-width:940px){
  .hero-grid,.benefit-grid,.spec-grid,.booking-grid,.calc{grid-template-columns:1fr}
  .cards,.reviews{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:repeat(2,1fr)}
  .hero-img{height:360px}
  .benefit-media,.spec-media{order:-1}
  .foot-inner{grid-template-columns:1fr 1fr}
  .nav{
    position:fixed;top:72px;left:0;right:0;flex-direction:column;gap:0;
    background:var(--surface);border-bottom:1px solid var(--border);
    padding:8px 24px;transform:translateY(-140%);transition:transform .3s ease;
    box-shadow:var(--sh-2);margin:0;
  }
  .nav.open{transform:translateY(0)}
  .nav a{padding:14px 0;border-bottom:1px solid var(--border)}
  .nav a:last-child{border-bottom:0}
  .head-inner .btn-sm{margin-left:auto}
  .burger{display:flex}
}
@media (max-width:560px){
  .wrap{padding:0 18px}
  .section{padding:60px 0}
  .cards,.reviews,.steps{grid-template-columns:1fr}
  .foot-inner{grid-template-columns:1fr}
  .hero-facts{gap:24px}
  .calc-fields,.calc-result,.booking-form{padding:26px}
  .hero-badge{left:0}
}