/* Сейвиум — лендинг v2. Палитра «Бобровая зелень» + активный медовый акцент. */

:root{
  --brand:#1F6F4A;--brand-dk:#185539;--brand-soft:#EAF3ED;
  --accent:#C98A3B;--accent-dk:#A9712A;--accent-soft:#F6ECD9;
  --dark:#122019;--dark-2:#193026;--ink:#16201B;--ink-2:#4a564f;
  --bg:#F7F9F6;--surface:#FFFFFF;--line:#E1E8E2;
  --good:#1F8A57;--warn:#B8791F;--bad:#B4452F;
  --radius:16px;--radius-sm:11px;--container:1180px;
  --ease:cubic-bezier(.23,1,.32,1);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:80px}
body{margin:0;background:var(--bg);color:var(--ink);
  font-family:"Onest",system-ui,-apple-system,"Segoe UI",Arial,sans-serif;
  font-size:17px;line-height:1.6;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
img,svg{max-width:100%;display:block}
a{color:var(--brand);text-decoration:none}a:hover{color:var(--brand-dk)}
.container{max-width:var(--container);margin:0 auto;padding:0 24px}
.narrow{max-width:840px}
h1,h2,h3{margin:0 0 .5em;line-height:1.12;font-weight:800;letter-spacing:-.02em;text-wrap:balance}
h1{font-size:clamp(2.1rem,4.6vw,3.7rem)}
h2{font-size:clamp(1.7rem,3.2vw,2.5rem)}
h3{font-size:1.18rem;font-weight:700;letter-spacing:-.01em}
p{margin:0 0 1em}
.center{text-align:center}
.section-lead.center,.lead{margin-left:auto;margin-right:auto}
.eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--accent-dk);font-weight:700;font-size:.9rem;letter-spacing:.02em;margin:0 0 .8em}
.eyebrow.center{display:flex;justify-content:center}
.eyebrow.light{color:var(--accent)}
.dot-accent{width:8px;height:8px;border-radius:50%;background:var(--accent)}
.hl{position:relative;white-space:nowrap}
.hl::after{content:"";position:absolute;left:0;right:0;bottom:.06em;height:.28em;background:var(--accent-soft);z-index:-1;border-radius:3px}
.section-lead,.lead{color:var(--ink-2);font-size:1.1rem;max-width:62ch}
.muted{color:var(--ink-2)}
.footnote{color:var(--ink-2);font-size:.86rem;margin-top:28px;text-align:center}
[data-count],[data-ticker],.price b,.metric b,.hstat b,.saved-value b,.calc-res-val,.calc-now{
  font-family:"JetBrains Mono",ui-monospace,monospace;font-variant-numeric:tabular-nums}
.accent{color:var(--accent-dk)}

/* Кнопки */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5em;font:inherit;font-weight:700;
  border-radius:var(--radius-sm);border:1.5px solid transparent;padding:.72em 1.2em;cursor:pointer;
  transition:transform .18s var(--ease),background-color .2s,box-shadow .2s,border-color .2s;text-align:center}
.btn:active{transform:translateY(0) scale(.985)}
.btn-primary{background:var(--brand);color:#fff}
.btn-primary:hover{background:var(--brand-dk);color:#fff;transform:translateY(-2px);box-shadow:0 10px 26px rgba(31,111,74,.28)}
.btn-ghost{background:transparent;color:var(--ink);border-color:var(--line)}
.btn-ghost:hover{border-color:var(--accent);color:var(--accent-dk);transform:translateY(-2px)}
.btn-lg{padding:.92em 1.5em;font-size:1.02rem}.btn-sm{padding:.55em 1em;font-size:.95rem}
.btn-block,.block{display:flex;width:100%}

/* Шапка */
.topbar{position:sticky;top:0;z-index:50;background:rgba(247,249,246,.86);backdrop-filter:saturate(1.4) blur(10px);
  border-bottom:1px solid transparent;transition:border-color .2s,box-shadow .2s}
.topbar.scrolled{border-color:var(--line);box-shadow:0 4px 20px rgba(18,32,25,.05)}
.bar{display:flex;align-items:center;gap:24px;height:66px}
.brand{display:inline-flex;align-items:center;gap:9px;font-weight:800;letter-spacing:-.02em;color:var(--ink);font-size:1.2rem}
.brand-mark{width:34px;height:auto;display:block}
.nav{display:flex;gap:26px;margin-left:auto;align-items:center}
.nav a{color:var(--ink);font-weight:600;font-size:.98rem}.nav a:hover{color:var(--brand)}
.nav .muted-link{color:var(--ink-2)}
.burger{display:none;flex-direction:column;gap:5px;background:none;border:0;cursor:pointer;padding:8px;margin-left:auto}
.burger span{width:24px;height:2px;background:var(--ink);border-radius:2px;transition:.25s}

/* Hero */
.hero{padding:clamp(40px,6vw,84px) 0 clamp(40px,5vw,72px);overflow:hidden}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:clamp(28px,4vw,64px);align-items:center}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin:26px 0 26px}
.hero-stats{display:flex;gap:26px;flex-wrap:wrap;border-top:1px solid var(--line);padding-top:20px}
.hstat b{display:block;font-size:1.8rem;font-weight:800;color:var(--brand);line-height:1.05}
.hstat b.accent{color:var(--accent-dk)}
.hstat small{color:var(--ink-2);font-size:.84rem}

.hero-visual{position:relative}
.scene{position:relative;padding:10px 0 22px}
.dam-art{position:relative;filter:drop-shadow(0 26px 46px rgba(18,32,25,.2))}
.dam-img{display:block;width:100%;height:auto}
.seva-hero{position:absolute;left:-3%;bottom:-3%;width:45%;height:auto;
  filter:drop-shadow(0 12px 16px rgba(18,32,25,.22));transform-origin:bottom center;
  animation:seva-bob 4.5s var(--ease) infinite}
@keyframes seva-bob{0%,100%{transform:translateY(0)}50%{transform:translateY(-8px)}}
.saved-card{position:absolute;right:-6px;bottom:-16px;background:var(--surface);border:1px solid var(--line);
  border-radius:14px;padding:13px 16px;box-shadow:0 16px 34px -14px rgba(18,32,25,.35);display:flex;flex-direction:column;gap:2px;min-width:210px}
.saved-card{border-left:3px solid var(--accent)}
.saved-label{font-size:.8rem;color:var(--ink-2)}
.saved-value{font-size:1.5rem;font-weight:800;color:var(--brand)}
.saved-sub{font-size:.78rem;color:var(--ink-2)}

/* Маркиза */
.marquee{overflow:hidden;background:var(--brand);color:#dff0e6;padding:12px 0;white-space:nowrap}
.marquee-row{display:inline-flex;gap:20px;align-items:center;font-weight:600;font-size:.95rem;
  animation:scrollx 26s linear infinite;will-change:transform}
.marquee .sep{color:var(--accent)}
@keyframes scrollx{from{transform:translateX(0)}to{transform:translateX(-50%)}}

/* Секции */
.section{padding:clamp(54px,7vw,96px) 0}
.section.dark{background:var(--dark);color:#e9f1ea}
.section.dark h2,.section.dark h3{color:#fff}
.section.dark .section-lead,.section.dark p,.section.dark .muted{color:#aebcb1}
.tag{display:inline-block;font-size:.74rem;font-weight:700;letter-spacing:.04em;text-transform:uppercase;
  color:var(--accent-dk);background:var(--accent-soft);border-radius:999px;padding:.32em .8em;margin-bottom:12px}
.tag.light{color:#e7c489;background:rgba(201,138,59,.16)}

/* Проблема */
.leaks{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:36px}
.leak-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:22px;transition:transform .2s var(--ease),box-shadow .2s}
.leak-card:hover{transform:translateY(-3px);box-shadow:0 14px 30px -18px rgba(18,32,25,.3)}
.leak-card.big{grid-column:span 2;background:linear-gradient(135deg,var(--accent-soft),#fff)}
.leak-card h3{margin:.2em 0 .4em}.leak-card p{color:var(--ink-2);margin:0;font-size:.96rem}

/* Сева intro */
.seva-intro{padding:18px 0}
.seva-row{display:flex;align-items:center;gap:22px;background:linear-gradient(120deg,var(--accent-soft),#fff);
  border:1px solid var(--line);border-radius:20px;padding:18px 24px}
.seva-row img{flex:0 0 auto;width:120px;height:auto;filter:drop-shadow(0 8px 12px rgba(18,32,25,.18))}
.bubble{position:relative;background:#fff;border:1px solid var(--line);border-radius:14px;padding:16px 18px;font-size:1.05rem;color:var(--ink)}
.bubble::before{content:"";position:absolute;left:-9px;top:28px;width:16px;height:16px;background:#fff;border-left:1px solid var(--line);border-bottom:1px solid var(--line);transform:rotate(45deg)}
.bubble strong{color:var(--accent-dk)}

/* Шаги */
.steps{list-style:none;margin:36px 0 0;padding:0;display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.steps li{position:relative;padding:26px 22px;border:1px solid rgba(255,255,255,.1);border-radius:var(--radius);background:var(--dark-2)}
.step-n{display:inline-flex;width:40px;height:40px;align-items:center;justify-content:center;border-radius:12px;
  background:var(--accent);color:#fff;font-weight:800;font-family:"JetBrains Mono",monospace;margin-bottom:14px;font-size:1.1rem}
.steps p{color:#aebcb1;margin:0;font-size:.97rem}

/* Что умеет — зигзаг */
.zig{margin-top:30px;border-top:1px solid var(--line)}
.zig-row{display:grid;grid-template-columns:1.4fr .9fr;gap:30px;align-items:center;padding:26px 0;border-bottom:1px solid var(--line)}
.zig-row:nth-child(even){grid-template-columns:.9fr 1.4fr}
.zig-row:nth-child(even) .zig-text{order:2}
.zig-text h3{margin-bottom:.35em}.zig-text p{color:var(--ink-2);margin:0}
.zig-aside{display:flex;justify-content:flex-end}.zig-row:nth-child(even) .zig-aside{justify-content:flex-start}
.metric{display:flex;flex-direction:column;gap:4px;background:var(--accent-soft);border-radius:var(--radius);padding:18px 22px;min-width:180px;text-align:left;border-left:3px solid var(--accent)}
.metric b{font-size:2.1rem;font-weight:800;color:var(--accent-dk);line-height:1}
.metric small{color:var(--ink-2);font-size:.84rem}

/* Калькулятор */
.calc-section{background:linear-gradient(180deg,var(--accent-soft),var(--bg))}
.calc-wrap{display:grid;grid-template-columns:1fr 1.1fr;gap:40px;align-items:center}
.calc-card{background:var(--surface);border:1px solid var(--line);border-radius:20px;padding:28px;box-shadow:0 24px 50px -28px rgba(18,32,25,.3)}
.calc-fields{display:grid;gap:22px;margin-bottom:8px}
.calc-fields label{display:grid;gap:8px;font-weight:600;font-size:.95rem;position:relative}
.calc-now{justify-self:end;color:var(--accent-dk);font-weight:800;font-size:1.05rem}
input[type=range]{-webkit-appearance:none;appearance:none;width:100%;height:8px;border-radius:999px;
  background:linear-gradient(90deg,var(--brand) var(--p,40%),var(--line) var(--p,40%));outline:none}
input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;width:24px;height:24px;border-radius:50%;
  background:var(--accent);border:3px solid #fff;box-shadow:0 2px 8px rgba(169,113,42,.5);cursor:pointer}
input[type=range]::-moz-range-thumb{width:22px;height:22px;border-radius:50%;background:var(--accent);border:3px solid #fff;cursor:pointer}
.calc-out{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin:20px 0}
.calc-res{background:var(--brand-soft);border-radius:12px;padding:15px}
.calc-res.accent{background:var(--accent-soft)}
.calc-res-label{display:block;font-size:.82rem;color:var(--ink-2);margin-bottom:6px}
.calc-res-val{font-size:1.5rem;font-weight:800;color:var(--ink)}
.calc-res.accent .calc-res-val{color:var(--accent-dk)}

/* Демо — спотлайт */
.spotlight{background:var(--dark);color:#e9f1ea;position:relative;overflow:hidden}
.spotlight::before{content:"";position:absolute;top:-30%;right:-10%;width:60%;height:140%;
  background:radial-gradient(circle,rgba(46,158,107,.28),transparent 60%);pointer-events:none}
.spotlight::after{content:"";position:absolute;bottom:-30%;left:-10%;width:50%;height:120%;
  background:radial-gradient(circle,rgba(201,138,59,.18),transparent 60%);pointer-events:none}
.demo-grid{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center;position:relative}
.demo-text h2{color:#fff}.demo-text p{color:#aebcb1}
.ticks{list-style:none;margin:18px 0 0;padding:0;display:grid;gap:10px}
.ticks li{position:relative;padding-left:26px;color:#cdd8cf}
.ticks li::before{content:"";position:absolute;left:0;top:9px;width:12px;height:12px;border-radius:3px;background:var(--accent)}
.scan-card{background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.12);border-radius:var(--radius);padding:18px;
  box-shadow:0 30px 60px -24px rgba(0,0,0,.6)}
.scan-head{display:flex;align-items:center;gap:9px;font-weight:700;color:#fff;margin-bottom:14px}
.scan-head .dot{width:9px;height:9px;border-radius:50%;background:var(--accent);box-shadow:0 0 0 0 rgba(201,138,59,.6);animation:pulse 1.8s infinite}
.scan-line{display:flex;justify-content:space-between;gap:12px;align-items:center;padding:11px 12px;border-radius:10px;
  background:rgba(255,255,255,.03);margin-bottom:8px;font-size:.92rem;color:#cdd8cf;transition:background .3s,box-shadow .3s,transform .3s}
.scan-line.active{background:rgba(201,138,59,.12);box-shadow:inset 0 0 0 1px rgba(201,138,59,.4);transform:translateX(3px)}
.scan-line b{font-family:"JetBrains Mono",monospace;font-size:.82rem;white-space:nowrap}
.scan-line .bad{color:#ff9b85}.scan-line .warn{color:#e7b964}.scan-line .good{color:#7fd6a3}

/* Столпы */
.pillars{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-top:34px}
.pillar{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:24px;transition:transform .2s var(--ease),box-shadow .2s}
.pillar:hover{transform:translateY(-3px);box-shadow:0 14px 30px -18px rgba(18,32,25,.3)}
.pillar.wide{grid-column:span 2;background:linear-gradient(135deg,var(--accent-soft),#fff);border-left:3px solid var(--accent)}
.pillar p{color:var(--ink-2);margin:0}

/* Тарифы */
.period-toggle{display:inline-flex;gap:4px;background:var(--dark-2);border:1px solid rgba(255,255,255,.12);
  border-radius:999px;padding:5px;margin:28px auto 0;justify-self:center}
.period-toggle{display:flex;flex-wrap:wrap;justify-content:center;width:max-content;max-width:100%;margin-left:auto;margin-right:auto}
.pt{border:0;background:none;color:#aebcb1;font:inherit;font-weight:700;padding:9px 18px;border-radius:999px;cursor:pointer;transition:.2s var(--ease)}
.pt i{font-style:normal;color:var(--accent);font-size:.82rem}
.pt:hover{color:#fff}
.pt.active{background:var(--accent);color:#fff}.pt.active i{color:#fff}
.pt:focus-visible{outline:2px solid #fff;outline-offset:2px}
.burger:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:4px}
.plans{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:30px;align-items:start}
.plan{background:var(--dark-2);border:1px solid rgba(255,255,255,.1);border-radius:20px;padding:26px;position:relative;color:#e9f1ea}
.plan h3{color:#fff}
.plan.featured{border-color:var(--accent);box-shadow:0 24px 50px -26px rgba(201,138,59,.45);transform:translateY(-6px)}
.ribbon{position:absolute;top:-12px;left:26px;background:var(--accent);color:#122019;font-size:.74rem;font-weight:800;
  text-transform:uppercase;letter-spacing:.04em;padding:.35em .8em;border-radius:999px}
.price{margin:.2em 0 .1em;color:#fff}.price b{font-size:2.2rem;font-weight:800}.price small{color:#aebcb1;font-weight:600;margin-left:5px}
.plan-old{color:#8fa094;text-decoration:line-through;font-size:.95rem;margin:0 0 .3em;font-family:"JetBrains Mono"}
.plan-bill{color:var(--accent);font-size:.86rem;margin:0 0 .3em;font-weight:700}
.plan-cap{color:#aebcb1;font-size:.92rem;margin-bottom:16px}
.plan ul{list-style:none;margin:0 0 20px;padding:0;display:grid;gap:9px}
.plan li{position:relative;padding-left:24px;font-size:.95rem;color:#cdd8cf}
.plan li::before{content:"";position:absolute;left:0;top:7px;width:13px;height:13px;border-radius:50%;
  background:rgba(201,138,59,.18);box-shadow:inset 0 0 0 2px var(--accent)}
.plan .btn-ghost{color:#fff;border-color:rgba(255,255,255,.2)}.plan .btn-ghost:hover{border-color:var(--accent);color:#fff}
.pricing-note{color:#aebcb1;font-size:.9rem;margin-top:26px;max-width:75ch;margin-left:auto;margin-right:auto;text-align:center}

/* FAQ */
.faq{margin-top:30px;display:grid;gap:12px}
.qa{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
.qa .q{width:100%;text-align:left;background:none;border:0;color:var(--ink);font:inherit;font-weight:700;
  padding:18px 20px;cursor:pointer;display:flex;justify-content:space-between;align-items:center;gap:16px}
.chev{width:11px;height:11px;border-right:2px solid var(--accent);border-bottom:2px solid var(--accent);transform:rotate(45deg);transition:transform .3s var(--ease);flex:0 0 auto}
.qa.open .chev{transform:rotate(-135deg)}
.qa .a{display:grid;grid-template-rows:0fr;transition:grid-template-rows .32s var(--ease)}
.qa.open .a{grid-template-rows:1fr}
.qa .a>div{overflow:hidden}.qa .a p{margin:0;padding:0 20px 18px;color:var(--ink-2)}

/* CTA */
.cta-section{background:linear-gradient(160deg,var(--brand),var(--brand-dk));color:#fff}
.cta-box{text-align:center}.cta-section h2{color:#fff}.cta-section p{color:#dcebe1}
.cta-seva{width:104px;height:auto;display:block;margin:0 auto 6px;filter:drop-shadow(0 10px 16px rgba(8,20,13,.35));animation:seva-bob 4.5s var(--ease) infinite}
.audit-form{margin-top:26px;text-align:left;background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.18);border-radius:20px;padding:24px}
.audit-form .row2{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.audit-form label{display:flex;flex-direction:column;gap:7px;font-weight:600;font-size:.92rem;margin-bottom:14px;color:#fff}
.audit-form input[type=text]{font:inherit;padding:.72em .9em;border-radius:11px;border:1.5px solid rgba(255,255,255,.25);background:rgba(255,255,255,.95);color:var(--ink)}
.audit-form input:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px rgba(201,138,59,.3)}
.consent{flex-direction:row!important;align-items:flex-start;gap:9px;font-size:.85rem;font-weight:500}
.consent a{color:#fff;text-decoration:underline}.consent input{margin-top:3px}
.audit-form .btn-primary{background:var(--accent);color:#fff}.audit-form .btn-primary:hover{background:var(--accent-dk)}
.form-alt{text-align:center;margin:14px 0 0;font-size:.92rem}.form-alt a{color:#fff;text-decoration:underline}
.form-ok{text-align:center;margin:12px 0 0;font-weight:700;color:#cdeedb}

/* Футер */
.footer{background:var(--dark);color:#aebcb1;padding:48px 0 28px}
.foot-grid{display:grid;grid-template-columns:1fr auto;gap:28px;align-items:start}
.footer .brand{color:#fff}.foot-brand p{max-width:42ch;margin:12px 0 0;color:#8fa094}
.foot-nav{display:flex;flex-wrap:wrap;gap:20px}
.foot-nav a{color:#cdd8cf;font-weight:600;font-size:.95rem}.foot-nav a:hover{color:var(--accent)}
.foot-bottom{margin-top:30px;padding-top:18px;border-top:1px solid rgba(255,255,255,.08);font-size:.86rem;color:#7e8d82}
.footer .muted{color:#8a988d}

/* Липкая CTA (мобайл) */
.sticky-cta{display:none;position:fixed;left:14px;right:14px;bottom:14px;z-index:60;
  background:var(--accent);color:#fff;text-align:center;font-weight:700;padding:.95em;border-radius:14px;
  box-shadow:0 12px 30px -8px rgba(169,113,42,.6)}

/* анимации */
@keyframes pulse{0%{box-shadow:0 0 0 0 rgba(201,138,59,.5)}70%{box-shadow:0 0 0 8px rgba(201,138,59,0)}100%{box-shadow:0 0 0 0 rgba(201,138,59,0)}}

/* Reveal (IntersectionObserver) — контент виден без JS */
.js [data-reveal-item],.js [data-hero-item]{opacity:0;transform:translateY(18px)}
.js [data-reveal-item].in,.js [data-hero-item].in{opacity:1;transform:none;transition:opacity .6s var(--ease),transform .6s var(--ease)}

/* Адаптив */
@media (max-width:920px){
  .hero-grid{grid-template-columns:1fr;gap:34px}
  .calc-wrap,.demo-grid,.pillars{grid-template-columns:1fr;gap:28px}
  .leaks{grid-template-columns:1fr 1fr}.leak-card.big{grid-column:span 2}
  .steps{grid-template-columns:1fr}
  .plans{grid-template-columns:1fr}.plan.featured{transform:none}
  .pillar.wide{grid-column:auto}
  .foot-grid{grid-template-columns:1fr}
}
@media (max-width:720px){
  .nav{display:none}.burger{display:flex}
  .nav.open{display:flex;position:absolute;top:66px;left:0;right:0;flex-direction:column;gap:0;
    background:var(--surface);border-bottom:1px solid var(--line);padding:8px 24px 16px;margin:0}
  .nav.open a{padding:12px 0;border-bottom:1px solid var(--line)}
  .topbar .btn-primary{display:none}
  .leaks{grid-template-columns:1fr}.leak-card.big{grid-column:auto}
  .zig-row,.zig-row:nth-child(even){grid-template-columns:1fr}
  .zig-row:nth-child(even) .zig-text{order:0}
  .zig-aside,.zig-row:nth-child(even) .zig-aside{justify-content:flex-start}
  .calc-out,.audit-form .row2{grid-template-columns:1fr}
  .seva-row{flex-direction:column;text-align:center}.bubble::before{display:none}
  .period-toggle{flex-wrap:wrap;border-radius:16px}
  .sticky-cta{display:block}
  body{font-size:16px}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.01ms!important;transition-duration:.01ms!important}
  html{scroll-behavior:auto}
  .js [data-reveal-item],.js [data-hero-item]{opacity:1!important;transform:none!important}
  .marquee-row{animation:none}
}