/* =====================================================================
   Точка Водорода — Санкт-Петербург | design system
   Brand palette: navy #041A30 · teal #039195 · teal-light #26BDC0 · orange #FFA600
   ===================================================================== */

/* ----------  Tokens  ---------- */
:root{
  --navy:#041A30;
  --navy-2:#082b49;
  --teal:#039195;
  --teal-light:#26BDC0;
  --teal-50:#eaf7f7;
  --orange:#FFA600;
  --orange-d:#f08a00;
  --ink:#0c2233;
  --muted:#5b6b78;
  --line:#e4ecef;
  --bg:#ffffff;
  --bg-soft:#eff5f5;

  --radius:16px;
  --radius-sm:10px;
  --shadow-sm:0 4px 14px rgba(4,26,48,.06);
  --shadow:0 14px 38px rgba(4,26,48,.10);
  --shadow-lg:0 26px 60px rgba(4,26,48,.16);
  --ring:0 0 0 4px rgba(38,189,192,.30);

  --container:1180px;
  --gap:28px;

  --font-head:"Montserrat",system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;
  --font-body:"Open Sans",system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;

  --header-h:74px;
}

/* ----------  Reset  ---------- */
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:calc(var(--header-h) + 16px);-webkit-text-size-adjust:100%}
body{
  margin:0;font-family:var(--font-body);color:var(--ink);background:var(--bg);
  font-size:17px;line-height:1.65;-webkit-font-smoothing:antialiased;overflow-x:hidden;
}
img,svg{max-width:100%;display:block;height:auto}
a{color:var(--teal);text-decoration:none;transition:color .2s}
a:hover{color:var(--teal-light)}
h1,h2,h3,h4{font-family:var(--font-head);color:var(--navy);line-height:1.15;margin:0 0 .5em;font-weight:800}
p{margin:0 0 1em}
ul{margin:0;padding:0;list-style:none}
button{font-family:inherit;cursor:pointer}
:focus-visible{outline:none;box-shadow:var(--ring);border-radius:6px}

/* ----------  Layout  ---------- */
.container{width:100%;max-width:var(--container);margin-inline:auto;padding-inline:20px}
.section{padding:88px 0}
.section--soft{background:var(--bg-soft)}
.section--navy{background:linear-gradient(160deg,var(--navy) 0%,#06243f 60%,#073257 100%);color:#dbe7ef}
.section--navy h1,.section--navy h2,.section--navy h3{color:#fff}
.section--tight{padding:64px 0}
.center{text-align:center}
.lead{font-size:1.18rem;color:var(--muted);max-width:760px}
.center .lead{margin-inline:auto}

/* ----------  Section heading  ---------- */
.eyebrow{
  display:inline-block;font-family:var(--font-head);font-weight:700;letter-spacing:.14em;
  text-transform:uppercase;font-size:.74rem;color:var(--teal);
  background:var(--teal-50);padding:7px 16px;border-radius:50px;margin-bottom:18px;
}
.section--navy .eyebrow{color:var(--teal-light);background:rgba(38,189,192,.12)}
.h-title{font-size:clamp(1.7rem,3.4vw,2.6rem);margin-bottom:.4em}
.h-bar{width:64px;height:4px;border-radius:3px;background:linear-gradient(90deg,var(--teal),var(--teal-light));margin:18px 0 0;transform-origin:left center}
.js .reveal.in .h-bar,.js .center.reveal.in .h-bar{animation:hBarGrow .7s cubic-bezier(.2,.7,.2,1) forwards}
@keyframes hBarGrow{
  from{transform:scaleX(0);opacity:.4}
  to{transform:scaleX(1);opacity:1}
}
.center .h-bar{margin-inline:auto}

/* ----------  Buttons  ---------- */
.btn{
  --bg:var(--orange);--fg:#1d1402;
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  font-family:var(--font-head);font-weight:700;font-size:1rem;line-height:1;
  padding:16px 30px;border-radius:50px;border:none;color:var(--fg);background:var(--bg);
  box-shadow:0 10px 22px rgba(255,166,0,.32);transition:transform .18s,box-shadow .18s,background .18s;
  white-space:nowrap;
}
.btn:hover{transform:translateY(-2px);box-shadow:0 16px 30px rgba(255,166,0,.42);color:var(--fg);background:var(--orange-d)}
.btn:active{transform:translateY(0)}
.btn--teal{--bg:var(--teal);--fg:#fff;box-shadow:0 10px 22px rgba(3,145,149,.30)}
.btn--teal:hover{background:var(--teal-light);box-shadow:0 16px 30px rgba(3,145,149,.4);color:#fff}
.btn--ghost{background:transparent;color:var(--navy);box-shadow:inset 0 0 0 2px var(--line)}
.btn--ghost:hover{background:#fff;color:var(--teal);box-shadow:inset 0 0 0 2px var(--teal-light)}
.section--navy .btn--ghost,.hero .btn--ghost,.page-hero .btn--ghost{color:#fff;box-shadow:inset 0 0 0 2px rgba(255,255,255,.35)}
.section--navy .btn--ghost:hover,.hero .btn--ghost:hover,.page-hero .btn--ghost:hover{background:rgba(255,255,255,.08);color:#fff;box-shadow:inset 0 0 0 2px #fff}
.btn--lg{padding:19px 38px;font-size:1.08rem}
.btn--block{display:flex;width:100%}

/* ----------  Header  ---------- */
.site-header{
  position:sticky;top:0;z-index:60;height:var(--header-h);
  background:rgba(255,255,255,.86);backdrop-filter:blur(12px);
  border-bottom:1px solid transparent;transition:box-shadow .25s,border-color .25s,background .25s;
}
.site-header.scrolled{box-shadow:var(--shadow-sm);border-color:var(--line);background:rgba(255,255,255,.95)}
.header-inner{display:flex;align-items:center;gap:24px;height:100%}
.brand{display:flex;align-items:center;gap:12px;flex-shrink:0}
.brand img{height:38px;width:auto}
.brand b{display:none}
.nav{display:flex;align-items:center;gap:6px;margin-left:8px}
.nav a{
  font-family:var(--font-head);font-weight:600;font-size:.96rem;color:var(--navy);
  padding:10px 14px;border-radius:10px;transition:background .2s,color .2s;
}
.nav a:hover{color:var(--teal);background:var(--teal-50)}
.nav a.active{color:var(--teal)}
.skip-link{position:absolute;left:-999px;top:0;z-index:200;background:var(--navy);color:#fff;
  padding:12px 18px;border-radius:0 0 10px 0;font-weight:700}
.skip-link:focus{left:0;color:#fff}
.nav>.btn{display:none}
.header-cta{margin-left:auto;display:flex;align-items:center;gap:18px}
.header-phone{font-family:var(--font-head);font-weight:800;color:var(--navy);font-size:1.06rem;white-space:nowrap}
.header-phone span{display:block;font-family:var(--font-body);font-weight:600;font-size:.7rem;color:var(--muted);letter-spacing:.02em}
.header-cta .btn{padding:12px 22px;font-size:.92rem}
.burger{display:none;width:46px;height:46px;border:1px solid var(--line);border-radius:12px;background:#fff;position:relative;
  transition:border-color .2s,box-shadow .2s,background .2s;-webkit-tap-highlight-color:transparent;flex-shrink:0}
.burger:hover{border-color:var(--teal-light)}
.burger:active{background:var(--bg-soft)}
body.menu-open .burger{border-color:var(--teal-light);box-shadow:var(--shadow-sm)}
.burger span,.burger span::before,.burger span::after{
  content:"";position:absolute;left:50%;top:50%;width:22px;height:2px;background:var(--navy);
  border-radius:2px;transform:translate(-50%,-50%);transition:transform .25s ease,background .2s;
}
.burger span::before{transform:translate(-50%,-7px)}
.burger span::after{transform:translate(-50%,5px)}
body.menu-open .burger span{background:transparent}
body.menu-open .burger span::before{transform:translate(-50%,-50%) rotate(45deg)}
body.menu-open .burger span::after{transform:translate(-50%,-50%) rotate(-45deg)}

/* ----------  Hero  ---------- */
.hero{position:relative;overflow:hidden;color:#e9f3f8;
  background:radial-gradient(900px 500px at 78% 18%,rgba(38,189,192,.28),transparent 60%),
             linear-gradient(155deg,#041A30 0%,#072b4a 55%,#0a3a63 100%);
  background-size:100% 100%,200% 200%;
  animation:heroGradient 14s ease-in-out infinite alternate}
@keyframes heroGradient{
  0%{background-position:0 0,0% 50%}
  100%{background-position:0 0,100% 50%}
}
.hero::after{content:"";position:absolute;inset:0;background:url("../img/back_dots.jpg");opacity:.05;mix-blend-mode:screen;pointer-events:none}
.hero-bubbles{position:absolute;inset:0;overflow:hidden;pointer-events:none;z-index:1}
.hero-bubbles span{
  position:absolute;bottom:-40px;border-radius:50%;
  background:radial-gradient(circle at 30% 30%,rgba(38,189,192,.55),rgba(38,189,192,.08));
  border:1px solid rgba(38,189,192,.25);opacity:0;
  animation:rise linear infinite;
}
.hero-bubbles span:nth-child(1){left:8%;width:14px;height:14px;animation-duration:9s;animation-delay:0s}
.hero-bubbles span:nth-child(2){left:22%;width:8px;height:8px;animation-duration:11s;animation-delay:1.5s}
.hero-bubbles span:nth-child(3){left:38%;width:18px;height:18px;animation-duration:13s;animation-delay:.5s}
.hero-bubbles span:nth-child(4){left:55%;width:10px;height:10px;animation-duration:10s;animation-delay:2s}
.hero-bubbles span:nth-child(5){left:68%;width:22px;height:22px;animation-duration:15s;animation-delay:3s}
.hero-bubbles span:nth-child(6){left:82%;width:12px;height:12px;animation-duration:12s;animation-delay:1s}
.hero-bubbles span:nth-child(7){left:92%;width:9px;height:9px;animation-duration:8s;animation-delay:4s}
.hero-bubbles span:nth-child(8){left:45%;width:16px;height:16px;animation-duration:14s;animation-delay:2.5s}
@keyframes rise{
  0%{transform:translateY(0) scale(.6);opacity:0}
  10%{opacity:.7}
  90%{opacity:.35}
  100%{transform:translateY(-110vh) scale(1.1);opacity:0}
}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:40px;align-items:center;
  padding:74px 0 84px;position:relative;z-index:2}
.hero h1{color:#fff;font-size:clamp(2rem,4.6vw,3.35rem);font-weight:800;letter-spacing:-.01em;margin-bottom:.5em}
.hero h1 .hl{color:var(--teal-light)}
.hero p{font-size:1.2rem;color:#bcd2e0;max-width:560px;margin-bottom:1.6em}
.hero-actions{display:flex;flex-wrap:wrap;gap:16px;align-items:center}
.hero-price{display:inline-flex;align-items:baseline;gap:10px;margin-bottom:26px;
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);
  padding:10px 20px;border-radius:50px}
.hero-price b{font-family:var(--font-head);font-size:1.5rem;color:#fff;font-weight:800}
.hero-price span{color:#9fb8c8;font-size:.92rem}
.hero-figure{position:relative;will-change:transform}
.hero-figure img{margin:0 auto;filter:drop-shadow(0 30px 50px rgba(0,0,0,.4))}
.hero-float{animation:float 5s ease-in-out infinite}
@keyframes float{
  0%,100%{transform:translateY(0)}
  50%{transform:translateY(-14px)}
}
.js .hero-in{opacity:0;animation:heroIn .85s cubic-bezier(.2,.7,.2,1) forwards}
.js .hero-price.hero-in{animation-delay:.1s}
.js .hero h1.hero-in{animation-delay:.22s}
.js .hero p.hero-in{animation-delay:.34s}
.js .hero-actions.hero-in{animation-delay:.46s}
.js .hero-badges.hero-in{animation-delay:.58s}
.js .hero-figure.hero-in{animation-delay:.3s}
@keyframes heroIn{
  from{opacity:0;transform:translateY(28px)}
  to{opacity:1;transform:none}
}
.hero-badges{display:flex;flex-wrap:wrap;gap:10px;margin-top:30px}
.hero-badges span{display:inline-flex;align-items:center;gap:8px;font-size:.9rem;color:#cfe0ec;
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);padding:8px 15px;border-radius:50px}
.hero-badges b{color:var(--teal-light)}

/* ----------  Trust strip  ---------- */
.trust{background:var(--navy-2);color:#fff;border-top:1px solid rgba(255,255,255,.07)}
.trust .container{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;padding-block:30px}
.trust-item{text-align:center}
.trust-item b{display:block;font-family:var(--font-head);font-size:2rem;font-weight:800;color:var(--teal-light);line-height:1}
.trust-item span{font-size:.92rem;color:#9db4c3}

/* ----------  Cards grid  ---------- */
.grid{display:grid;gap:var(--gap)}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}

.card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:30px 26px;box-shadow:var(--shadow-sm);position:relative;
  transition:transform .25s,box-shadow .25s,border-color .25s;
}
.card::after{content:"";position:absolute;left:0;right:0;bottom:0;height:4px;border-radius:0 0 var(--radius) var(--radius);
  background:linear-gradient(90deg,var(--teal),var(--teal-light));transform:scaleX(0);transform-origin:left;transition:transform .3s}
.card:hover{transform:translateY(-6px);box-shadow:var(--shadow);border-color:transparent}
.card:hover::after{transform:scaleX(1)}
.card h3{font-size:1.18rem;margin-bottom:.45em}
.card p{color:var(--muted);margin:0;font-size:.98rem}

/* feature card with image-icon */
.feature{text-align:left}
.feature .ic{width:78px;height:78px;margin-bottom:18px;display:flex;align-items:center;justify-content:center;
  background:var(--teal-50);border-radius:18px;transition:transform .35s cubic-bezier(.2,.7,.2,1),box-shadow .35s}
.feature:hover .ic{transform:scale(1.08) rotate(-4deg);box-shadow:0 10px 24px rgba(3,145,149,.18)}
.feature .ic img{width:46px;height:auto}
.feature .num{position:absolute;top:22px;right:24px;font-family:var(--font-head);font-weight:800;
  font-size:2.4rem;color:var(--bg-soft)}

/* hexagon service box */
.svc{display:flex;gap:18px;align-items:flex-start;background:#fff;border:1px solid var(--line);
  border-radius:var(--radius);padding:24px;box-shadow:var(--shadow-sm);transition:transform .25s,box-shadow .25s}
.svc:hover{transform:translateY(-5px);box-shadow:var(--shadow)}
.svc:hover .hex{transform:rotate(8deg) scale(1.06);transition:transform .35s cubic-bezier(.2,.7,.2,1)}
.hex{flex-shrink:0;width:60px;height:66px;background:linear-gradient(150deg,var(--teal),var(--teal-light));
  display:flex;align-items:center;justify-content:center;color:#fff;font-size:1.5rem;
  clip-path:polygon(50% 0,100% 25%,100% 75%,50% 100%,0 75%,0 25%);transition:transform .35s}
.svc h3{font-size:1.08rem;margin-bottom:.25em}
.svc p{color:var(--muted);font-size:.94rem;margin:0}

/* ----------  Steps  ---------- */
.steps{counter-reset:step;display:grid;gap:24px;grid-template-columns:repeat(4,1fr)}
.step{position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:30px 24px 26px;box-shadow:var(--shadow-sm);transition:transform .25s,box-shadow .25s}
.step:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.step:hover::before{animation:stepPulse 1.2s ease infinite}
@keyframes stepPulse{
  0%,100%{box-shadow:0 8px 18px rgba(3,145,149,.35)}
  50%{box-shadow:0 8px 28px rgba(38,189,192,.55)}
}
.step::before{counter-increment:step;content:counter(step);position:absolute;top:-22px;left:24px;
  width:48px;height:48px;border-radius:14px;display:flex;align-items:center;justify-content:center;
  font-family:var(--font-head);font-weight:800;font-size:1.3rem;color:#fff;
  background:linear-gradient(150deg,var(--teal),var(--teal-light));box-shadow:0 8px 18px rgba(3,145,149,.35)}
.step h3{margin:14px 0 .3em;font-size:1.1rem}
.step p{color:var(--muted);font-size:.95rem;margin:0}

/* ----------  Split (text + image)  ---------- */
.split{display:grid;grid-template-columns:1fr 1fr;gap:54px;align-items:center}
.split--rev .split-media{order:-1}
.split-media img{margin:0 auto}
.check{display:grid;gap:14px;margin:24px 0 0}
.check li{position:relative;padding-left:38px;color:var(--ink);font-size:1.02rem}
.check li::before{content:"";position:absolute;left:0;top:1px;width:24px;height:24px;border-radius:50%;
  background:var(--teal-50) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 24 24' fill='none' stroke='%23039195' stroke-width='3.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='20 6 9 17 4 12'/%3E%3C/svg%3E") center/14px no-repeat}

/* ----------  Signs (когда пора)  ---------- */
.signs{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.sign{
  display:flex;gap:16px;align-items:center;background:#fff;border:1px solid var(--line);
  border-left:4px solid var(--orange);border-radius:var(--radius);padding:20px 22px;
  box-shadow:var(--shadow-sm);position:relative;overflow:hidden;
  transition:transform .3s cubic-bezier(.2,.7,.2,1),box-shadow .3s,border-color .3s;
}
.sign::after{
  content:"";position:absolute;inset:0;border-radius:inherit;
  background:linear-gradient(135deg,rgba(255,166,0,.06),transparent 55%);
  opacity:0;transition:opacity .3s;pointer-events:none;
}
.sign:hover{
  transform:translateY(-6px);
  box-shadow:0 18px 40px rgba(4,26,48,.12);
  border-color:rgba(255,166,0,.35);
}
.sign:hover::after{opacity:1}
.sign:hover .sign-ic{transform:scale(1.08) rotate(-3deg);box-shadow:0 10px 22px rgba(3,145,149,.28)}
.sign-ic{
  flex-shrink:0;width:52px;height:52px;border-radius:14px;
  display:flex;align-items:center;justify-content:center;color:#fff;
  background:linear-gradient(150deg,var(--teal),var(--teal-light));
  box-shadow:0 6px 16px rgba(3,145,149,.22);
  transition:transform .35s cubic-bezier(.2,.7,.2,1),box-shadow .35s;
}
.sign p{margin:0;font-weight:600;color:var(--navy);font-size:.98rem;line-height:1.35}

/* ----------  Price table  ---------- */
.price-wrap{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow)}
.price-table{width:100%;border-collapse:collapse;font-size:1rem}
.price-table thead th{background:var(--navy);color:#fff;font-family:var(--font-head);font-weight:700;
  text-align:left;padding:18px 26px;font-size:.95rem;letter-spacing:.02em}
.price-table tbody td{padding:17px 26px;border-top:1px solid var(--line);color:var(--ink)}
.price-table tbody tr:nth-child(even){background:var(--bg-soft)}
.price-table tbody tr:hover{background:var(--teal-50)}
.price-table .vol{font-weight:600;color:var(--navy)}
.price-table .price{font-family:var(--font-head);font-weight:800;color:var(--teal);font-size:1.15rem;white-space:nowrap}
.price-table th:last-child,.price-table td:last-child{text-align:right}
.price-note{margin-top:18px;color:var(--muted);font-size:.92rem}

/* ----------  FAQ  ---------- */
.faq{max-width:860px;margin-inline:auto;display:grid;gap:14px}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:14px;overflow:hidden;box-shadow:var(--shadow-sm)}
.faq-q{width:100%;text-align:left;background:none;border:none;padding:22px 56px 22px 24px;position:relative;
  font-family:var(--font-head);font-weight:700;font-size:1.05rem;color:var(--navy)}
.faq-q::after{content:"";position:absolute;right:22px;top:50%;width:14px;height:14px;transform:translateY(-50%) rotate(0);
  background:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 24 24' fill='none' stroke='%23039195' stroke-width='3' stroke-linecap='round'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E") center/contain no-repeat;transition:transform .25s}
.faq-item.open .faq-q::after{transform:translateY(-50%) rotate(180deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease}
.faq-a p{padding:0 24px 22px;margin:0;color:var(--muted)}

/* ----------  Reviews  ---------- */
.rev-cta{display:flex;flex-wrap:wrap;gap:16px;justify-content:center;margin-bottom:36px}
.rev-pill{display:inline-flex;align-items:center;gap:12px;background:#fff;border:1px solid var(--line);
  border-radius:50px;padding:12px 22px 12px 14px;box-shadow:var(--shadow-sm);font-weight:700;
  font-family:var(--font-head);color:var(--navy);transition:transform .2s,box-shadow .2s}
.rev-pill:hover{transform:translateY(-2px);box-shadow:var(--shadow);color:var(--navy)}
.rev-pill .logo{width:40px;height:40px;border-radius:10px;display:flex;align-items:center;justify-content:center;
  font-weight:800;color:#fff;font-family:var(--font-head)}
.rev-pill .logo.av{background:#0af}
.rev-pill .logo.ya{background:#fc3f1d}
.rev-pill small{display:block;font-family:var(--font-body);font-weight:600;font-size:.74rem;color:var(--muted)}
.yandex-widget{max-width:760px;margin:0 auto;border-radius:var(--radius);overflow:hidden;
  border:1px solid var(--line);box-shadow:var(--shadow);background:#fff}
.yandex-widget iframe{width:100%;height:620px;border:0;display:block}

.rev-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(320px,1fr));gap:24px}
.review{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px;
  box-shadow:var(--shadow-sm);display:flex;flex-direction:column;gap:14px}
.review .stars{color:#ffb400;letter-spacing:2px;font-size:1rem}
.review p{margin:0;color:var(--ink);font-size:.98rem}
.review .who{display:flex;align-items:center;gap:12px;margin-top:auto}
.review .ava{width:44px;height:44px;border-radius:50%;background:linear-gradient(150deg,var(--teal),var(--teal-light));
  color:#fff;display:flex;align-items:center;justify-content:center;font-family:var(--font-head);font-weight:800}
.review .who b{display:block;color:var(--navy);font-size:.98rem}
.review .who small{color:var(--muted);font-size:.82rem}
.review .src{align-self:flex-start;font-size:.72rem;font-weight:700;color:var(--teal);background:var(--teal-50);
  padding:4px 10px;border-radius:50px;letter-spacing:.04em}

/* ----------  CTA band + form  ---------- */
.cta-band{background:linear-gradient(150deg,var(--navy),#0a3a63);border-radius:24px;color:#fff;
  padding:46px;display:grid;grid-template-columns:1.1fr .9fr;gap:40px;align-items:center;
  box-shadow:var(--shadow-lg);position:relative;overflow:hidden}
.cta-band::before{content:"";position:absolute;right:-60px;top:-60px;width:280px;height:280px;border-radius:50%;
  background:radial-gradient(circle,rgba(38,189,192,.35),transparent 70%)}
.cta-band h2{color:#fff;font-size:clamp(1.6rem,3vw,2.2rem)}
.cta-band p{color:#bcd2e0;margin-bottom:0}
.form{display:grid;gap:14px;position:relative;z-index:2}
.form-fields{display:grid;gap:14px}
.form .row{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.field{position:relative}
.field input,.field textarea{width:100%;padding:15px 18px;border-radius:12px;border:1px solid rgba(255,255,255,.18);
  background:rgba(255,255,255,.08);color:#fff;font-family:inherit;font-size:1rem;transition:border-color .2s,background .2s}
.field input::placeholder,.field textarea::placeholder{color:#9fb8c8}
.field input:focus,.field textarea:focus{outline:none;border-color:var(--teal-light);background:rgba(255,255,255,.14)}
.field.invalid input{border-color:#ff7a7a;background:rgba(255,122,122,.10)}
.field .err{display:none;color:#ffb3b3;font-size:.8rem;margin-top:5px}
.field.invalid .err{display:block}
.form .consent{font-size:.8rem;color:#9fb8c8;margin:0}
.form .consent a{color:var(--teal-light)}
.form-ok{display:none;background:rgba(38,189,192,.16);border:1px solid var(--teal-light);color:#eafafa;
  padding:16px;border-radius:12px;font-weight:600}
.form.sent .form-ok{display:block}
.form.sent .form-fields{display:none}

/* light form (contacts page) */
.form--light .field input,.form--light .field textarea{background:#fff;border-color:var(--line);color:var(--ink)}
.form--light .field input::placeholder,.form--light .field textarea::placeholder{color:#9aa8b2}
.form--light .consent{color:var(--muted)}
.form--light .consent a{color:var(--teal)}

/* ----------  Contacts  ---------- */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:start}
.contact-list{display:grid;gap:18px;margin-bottom:28px}
.contact-row{display:flex;gap:16px;align-items:flex-start;background:#fff;border:1px solid var(--line);
  border-radius:14px;padding:18px 20px;box-shadow:var(--shadow-sm)}
.contact-row .ic{flex-shrink:0;width:46px;height:46px;border-radius:12px;background:var(--teal-50);
  display:flex;align-items:center;justify-content:center;color:var(--teal);font-size:1.2rem}
.contact-row b{display:block;color:var(--navy);font-family:var(--font-head);font-size:1.05rem}
.contact-row span{color:var(--muted);font-size:.94rem}
.contact-row a{font-weight:700}
.map-frame{border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow);min-height:340px}
.map-frame iframe{width:100%;height:100%;min-height:420px;border:0;display:block}

/* ----------  Page hero (inner pages)  ---------- */
.page-hero{background:linear-gradient(155deg,var(--navy),#0a3a63);color:#fff;padding:64px 0 56px;position:relative;overflow:hidden}
.page-hero::after{content:"";position:absolute;right:-40px;bottom:-60px;width:260px;height:260px;border-radius:50%;
  background:radial-gradient(circle,rgba(38,189,192,.3),transparent 70%)}
.page-hero h1{color:#fff;font-size:clamp(1.8rem,4vw,2.8rem);position:relative;z-index:2}
.page-hero p{color:#bcd2e0;max-width:680px;position:relative;z-index:2;margin:0}
.crumbs{font-size:.85rem;color:#8ea7b8;margin-bottom:16px;position:relative;z-index:2}
.crumbs a{color:#bcd2e0}
.crumbs span{color:#5f7d92}

/* ----------  Footer  ---------- */
.site-footer{background:var(--navy);color:#9db4c3;padding:60px 0 26px;font-size:.95rem}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:36px;padding-bottom:36px;
  border-bottom:1px solid rgba(255,255,255,.08)}
.site-footer .brand img{height:40px}
.footer-about p{margin:18px 0 0;max-width:300px;color:#8ea7b8}
.footer-col h4{color:#fff;font-size:1rem;margin-bottom:16px}
.footer-col a{display:block;color:#a9c0ce;padding:5px 0}
.footer-col a:hover{color:var(--teal-light)}
.footer-contact b{color:#fff;display:block;font-family:var(--font-head);font-size:1.15rem}
.footer-contact a{color:#a9c0ce}
.footer-bottom{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;padding-top:22px;color:#73909f;font-size:.85rem}
.footer-bottom a{color:#73909f;text-decoration:underline}

/* ----------  Honeypot + form error  ---------- */
.hp{position:absolute!important;left:-9999px!important;top:auto;width:1px;height:1px;opacity:0;overflow:hidden;pointer-events:none}
.form-error{display:none;color:#ffb3b3;font-size:.9rem;margin:0}
.form.error .form-error{display:block}
.form--light .form-error{color:#d6322a}

/* ----------  Spec chips (HYDROTECH)  ---------- */
.specs{display:flex;flex-wrap:wrap;gap:12px;margin:24px 0 0}
.specs span{display:inline-flex;flex-direction:column;background:var(--teal-50);border-radius:12px;padding:12px 18px;min-width:104px}
.section--navy .specs span{background:rgba(38,189,192,.12)}
.specs b{font-family:var(--font-head);font-size:1.45rem;color:var(--teal);line-height:1}
.section--navy .specs b{color:var(--teal-light)}
.specs small{color:var(--muted);font-size:.82rem;margin-top:5px}
.section--navy .specs small{color:#9fb8c8}

/* ----------  Warning / differentiator note  ---------- */
.note-warn{display:flex;gap:14px;align-items:flex-start;background:#fff7e8;border:1px solid #ffd98a;
  border-left:4px solid var(--orange);border-radius:12px;padding:18px 20px;margin-top:24px}
.note-warn b{color:#a85d00}
.note-warn p{margin:0;color:#6b4e1f;font-size:.96rem}

/* ----------  Master block  ---------- */
.master{display:flex;align-items:center;gap:16px;margin-bottom:8px}
.master .ava{width:64px;height:64px;border-radius:50%;flex-shrink:0;display:flex;align-items:center;justify-content:center;
  font-family:var(--font-head);font-weight:800;font-size:1.7rem;color:#fff;background:linear-gradient(150deg,var(--teal),var(--teal-light));box-shadow:var(--shadow-sm)}
.master b{display:block;font-family:var(--font-head);font-size:1.2rem;color:var(--navy)}
.master span{color:var(--muted);font-size:.95rem}

/* ----------  Gallery + lightbox  ---------- */
.gallery{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.gallery button{padding:0;border:none;background:none;display:block;border-radius:12px;overflow:hidden;
  aspect-ratio:4/3;box-shadow:var(--shadow-sm);cursor:zoom-in;position:relative}
.gallery img{width:100%;height:100%;object-fit:cover;transition:transform .4s}
.gallery button:hover img{transform:scale(1.07)}
.lightbox{position:fixed;inset:0;background:rgba(4,26,48,.93);display:flex;align-items:center;justify-content:center;
  padding:24px;z-index:120;opacity:0;visibility:hidden;transition:.25s}
.lightbox.open{opacity:1;visibility:visible}
.lightbox img{max-width:92vw;max-height:86vh;border-radius:10px;box-shadow:var(--shadow-lg)}
.lightbox .lb-btn{position:absolute;background:rgba(255,255,255,.12);border:none;color:#fff;width:52px;height:52px;
  border-radius:50%;font-size:1.5rem;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:background .2s}
.lightbox .lb-btn:hover{background:rgba(255,255,255,.26)}
.lb-close{top:20px;right:20px}
.lb-prev{left:18px;top:50%;transform:translateY(-50%)}
.lb-next{right:18px;top:50%;transform:translateY(-50%)}
@media (max-width:760px){.gallery{grid-template-columns:repeat(2,1fr)}.lightbox .lb-prev{left:8px}.lightbox .lb-next{right:8px}}

/* ----------  Reveal animation  ---------- */
/* hidden state only when JS is active (.js on <html>); без JS — контент виден */
.js .reveal{opacity:0;transform:translateY(26px);transition:opacity .7s cubic-bezier(.2,.7,.2,1),transform .7s cubic-bezier(.2,.7,.2,1)}
.reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  .js .reveal{opacity:1;transform:none;transition:none}
  .js .hero-in{opacity:1;animation:none!important}
  .hero,.hero-bubbles span,.hero-float{animation:none!important}
  .hero-figure img,.hero-float,.hero-figure{transform:none!important}
  .reveal,.reveal.in{transition-delay:0s!important}
  .reveal.in .h-bar,.center.reveal.in .h-bar{animation:none;transform:none}
  .feature:hover .ic,.svc:hover .hex,.step:hover::before{animation:none;transform:none}
  html{scroll-behavior:auto}
}

/* ----------  Mobile nav drawer  ---------- */
.nav-backdrop{position:fixed;inset:0;background:rgba(4,26,48,.5);opacity:0;visibility:hidden;transition:.25s;z-index:55}
body.menu-open .nav-backdrop{opacity:1;visibility:visible}

/* ----------  Responsive  ---------- */
@media (max-width:1024px){
  .hero-grid{gap:30px}
  .grid-4{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
}
@media (max-width:880px){
  .header-phone span{display:none}
  .burger{display:block}
  .nav{
    display:flex;
    position:fixed;top:var(--header-h);right:0;width:min(86vw,320px);height:calc(100vh - var(--header-h));
    flex-direction:column;align-items:stretch;gap:2px;background:#fff;padding:12px 16px 20px;z-index:58;
    border-left:1px solid var(--line);
    transform:translateX(100%);transition:transform .3s cubic-bezier(.2,.7,.2,1);
    box-shadow:-24px 0 60px rgba(4,26,48,.22);overflow-y:auto;overscroll-behavior:contain;
  }
  body.menu-open .nav{transform:none}
  .nav a:not(.btn){padding:14px 12px;font-size:1.05rem;font-weight:600;border-bottom:1px solid var(--line);border-radius:0;color:var(--navy)}
  .nav a:not(.btn):hover{background:var(--teal-50);color:var(--teal)}
  .nav a.active:not(.btn){color:var(--teal)}
  .nav>.btn{display:flex;margin-top:16px;border-radius:50px;color:#fff}
  .header-cta>.btn{display:none}
}
@media (max-width:760px){
  .section{padding:60px 0}
  .hero-grid{grid-template-columns:1fr;padding:48px 0 56px;text-align:center}
  .hero p{margin-inline:auto}
  .hero-actions,.hero-badges{justify-content:center}
  .hero-figure{order:-1;max-width:420px;margin-inline:auto}
  .trust .container{grid-template-columns:repeat(2,1fr);gap:24px 16px}
  .grid-2,.grid-3,.grid-4{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr;gap:34px}
  .split,.contact-grid,.cta-band{grid-template-columns:1fr;gap:30px}
  .split--rev .split-media{order:0}
  .signs,.rev-grid{grid-template-columns:1fr}
  .cta-band{padding:32px 24px}
  .form .row{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .header-phone{font-size:.98rem}
  /* price table -> cards */
  .price-table thead{display:none}
  .price-table,.price-table tbody,.price-table tr,.price-table td{display:block;width:100%}
  .price-table tbody tr{border-top:1px solid var(--line);padding:14px 18px}
  .price-table tbody tr:first-child{border-top:none}
  .price-table tbody td{border:none;padding:4px 0;display:flex;justify-content:space-between;gap:14px}
  .price-table td::before{content:attr(data-label);font-weight:600;color:var(--muted)}
  .price-table td:last-child{text-align:right}
}
@media (max-width:430px){
  body{font-size:16px}
  .btn{width:100%}
  .hero-actions .btn{width:100%}
  .rev-cta{flex-direction:column}
}