:root{
  --ink:#0E3B39;
  --ink-2:#0C4A57;
  --muted:#5B706C;
  --bg:#FFFFFF;
  --surface:#F4F8F7;
  --sky-1:#F3FAFC;
  --sky-2:#DFF0F5;
  --sky-3:#BFE0EA;
  --line:#E1E9E8;
  --accent:#1FA85C;
  --mint:#7FE0A8;--accent-dark:#17904D;
  --radius:24px;
  --radius-lg:24px;
  --wrap:1120px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:'Manrope',system-ui,-apple-system,'Segoe UI',sans-serif;
  color:var(--ink);
  background:linear-gradient(180deg,var(--sky-2) 0%,var(--sky-1) 22%,var(--surface) 60%,var(--sky-1) 100%);
  background-attachment:fixed;
  font-size:17px;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit}
.wrap{width:100%;max-width:var(--wrap);margin:0 auto;padding:0 20px}
section{padding:64px 0}
@media(min-width:900px){section{padding:104px 0}}
.card-page{background:var(--bg);border-radius:var(--radius-lg);margin:0 12px;box-shadow:0 18px 60px -40px rgba(12,74,87,.45)}
@media(min-width:900px){.card-page{margin:0 24px}}
.sky-page{background:linear-gradient(160deg,var(--sky-2) 0%,#fff 55%);border-radius:var(--radius-lg);margin:0 12px}
@media(min-width:900px){.sky-page{margin:0 24px}}

h1,h2,h3{line-height:1.12;letter-spacing:-0.02em;font-weight:800}
em{font-family:'Oswald','Manrope',Impact,sans-serif;font-style:normal;font-weight:700;
   text-transform:uppercase;letter-spacing:.01em;font-size:1.06em}
h1 em,h2 em{color:var(--accent)}
.hero-inner h1 em{color:#9FE7C1}
h1{font-size:clamp(34px,6vw,64px)}
h2{font-size:clamp(27px,4vw,44px)}
h3{font-size:clamp(19px,2vw,24px);letter-spacing:-0.01em}
p{color:var(--muted)}
.lead{font-size:clamp(17px,1.6vw,20px);color:var(--muted);max-width:60ch}
.label{
  display:inline-block;font-size:14px;font-weight:700;color:var(--accent);
  letter-spacing:0.01em;margin-bottom:14px;
}
.ink{color:var(--ink)}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:52px;padding:0 26px;border-radius:999px;
  font-size:16px;font-weight:700;text-decoration:none;border:1px solid transparent;
  transition:transform .15s ease,background .15s ease,box-shadow .15s ease;cursor:pointer;
}
.btn-primary{background:var(--accent);color:#fff}
.btn-primary:hover{background:var(--accent-dark);transform:translateY(-2px)}
.btn-ghost{background:transparent;color:var(--ink);border-color:var(--line)}
.btn-on-photo{color:#fff;border-color:rgba(255,255,255,.55);backdrop-filter:blur(4px)}
.btn-on-photo:hover{background:rgba(255,255,255,.14)}
.btn-ghost:hover{background:var(--surface);transform:translateY(-2px)}
.btn-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}

/* header */
.hdr{position:sticky;top:0;z-index:30;background:rgba(255,255,255,.92);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.hdr-in{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:78px}
.logo{display:flex;align-items:center;gap:11px;font-weight:800;font-size:23px;letter-spacing:-0.015em;text-decoration:none}
@media(min-width:900px){.logo{font-size:27px;gap:13px}}
.hdr-in .logo svg{width:30px;height:30px}
@media(min-width:900px){.hdr-in .logo svg{width:34px;height:34px}}
.logo svg{flex:none}
.nav{display:none;gap:12px;font-size:13.5px;font-weight:500}
.nav a{text-decoration:none;color:var(--muted);white-space:nowrap}
.nav a:hover{color:var(--ink)}
.nav a.act{color:var(--accent);font-weight:700}
@media(min-width:700px){.nav{display:flex}}
@media(min-width:700px) and (max-width:919px){.nav a.opt{display:none}}
@media(min-width:920px) and (max-width:1119px){.nav a.opt2{display:none}}
@media(min-width:1120px){.nav{gap:18px;font-size:14.5px}}

/* мобильное меню */
.burger{display:none;flex:none;flex-direction:column;align-items:center;justify-content:center;gap:5px;width:46px;height:46px;padding:0;border:1px solid var(--line);border-radius:12px;background:var(--bg);cursor:pointer}
.burger span{display:block;width:20px;height:2px;border-radius:2px;background:var(--ink);transition:transform .25s ease,opacity .15s ease}
.mnav{position:absolute;left:0;right:0;top:100%;display:grid;grid-template-rows:0fr;visibility:hidden;background:#fff;border-bottom:1px solid var(--line);box-shadow:0 24px 48px -24px rgba(6,40,45,.3);transition:grid-template-rows .3s ease,visibility 0s .3s}
.mnav>div{overflow:hidden}
.mnav-in{display:grid;gap:2px;padding:12px 20px 18px}
.mnav-in a{padding:11px 2px;font-size:16px;font-weight:600;text-decoration:none;color:var(--ink);border-bottom:1px solid var(--line)}
.mnav-in a.act{color:var(--accent)}
.mnav-in a.btn{border-bottom:0;margin-top:10px}
@media(max-width:699.98px){
  .burger{display:flex}
  .hdr-in>.btn{margin-left:auto}
}
@media(max-width:400px){.hdr-in>.btn{display:none}}
/* телефоны 401–479px: всё в ряд, иконки не сжимаются */
.kbasket{flex:none}
.kbasket svg{flex:none}
@media(max-width:479px){
  .hdr-in{gap:10px}
  .logo{font-size:19px;gap:8px}
  .hdr-in .logo svg{width:26px;height:26px}
  .hdr .btn{min-height:40px;padding:0 13px;font-size:13px}
  .burger{width:42px;height:42px}
}
.hdr.open .mnav{visibility:visible;grid-template-rows:1fr;transition:grid-template-rows .3s ease}
.hdr.open .burger span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.hdr.open .burger span:nth-child(2){opacity:0}
.hdr.open .burger span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.hdr .btn{min-height:44px;padding:0 20px;font-size:15px}
@media(max-width:919px){.hdr .btn{padding:9px 14px;font-size:14px}}

/* hero */
.hero{position:relative;min-height:82vh;display:flex;align-items:flex-end;padding:120px 0 56px;overflow:hidden;border-radius:var(--radius-lg);margin:0 12px}
@media(min-width:900px){.hero{margin:0 24px;min-height:88vh;padding:160px 0 64px}}
.hero-bg{position:absolute;inset:0;overflow:hidden;border-radius:inherit}
.hero-bg img{width:100%;height:112%;object-fit:cover;transform:translateY(0);will-change:transform}
.hero-bg::after{content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(12,74,87,.55) 0%,rgba(12,74,87,.15) 38%,rgba(10,45,50,.82) 100%)}
.hero-inner{position:relative;z-index:3;color:#fff}
.hero-inner h1{max-width:15ch;color:#fff;text-shadow:0 2px 30px rgba(6,40,45,.35)}
.hero-inner .lead{color:rgba(255,255,255,.9);margin-top:20px;max-width:56ch}
.hero-inner .label{color:#9FE7C1}
.hero-cta{display:flex;flex-wrap:wrap;align-items:center;gap:18px 28px;margin-top:30px}
.hero-phones{display:grid;gap:12px}
@media(min-width:700px){.hero-phones{grid-template-columns:auto auto;gap:10px 28px}}
.hero-phones a{text-decoration:none;color:#fff;display:grid;line-height:1.25}
.hero-phones b{font-size:18px;font-weight:800;letter-spacing:-0.01em}
.hero-phones span{font-size:13px;color:rgba(255,255,255,.75);margin-top:2px}
.hero-phones a:hover b{color:#9FE7C1}
.facts{display:grid;grid-template-columns:repeat(2,1fr);gap:1px;background:var(--line);border-radius:var(--radius);overflow:hidden}
@media(min-width:820px){.facts{grid-template-columns:repeat(4,1fr)}}
.fact{background:var(--bg);padding:26px 20px;transition:background .3s ease}
.fact:hover{background:var(--sky-1)}
.fact b{display:block;font-size:clamp(22px,3vw,30px);font-weight:800;letter-spacing:-0.02em}
.fact span{font-size:14px;color:var(--muted);display:block;margin-top:4px}

/* generic grid */
.grid{display:grid;gap:16px}
.g2{grid-template-columns:1fr}
@media(min-width:820px){.g2{grid-template-columns:1fr 1fr;gap:24px}}
.g3{grid-template-columns:1fr}
@media(min-width:760px){.g3{grid-template-columns:repeat(3,1fr);gap:20px}}
.tile{background:var(--surface);border-radius:var(--radius);padding:26px}
.tile h3{margin-bottom:10px}
.tile p{font-size:16px}
.head{max-width:62ch;margin-bottom:36px}
.head p{margin-top:14px}

/* problem */
.dark{background:linear-gradient(155deg,var(--ink) 0%,var(--ink-2) 100%);color:#fff;border-radius:var(--radius-lg);padding:40px 24px;box-shadow:0 30px 80px -50px rgba(12,74,87,.9)}
@media(min-width:820px){.dark{padding:64px 56px}}
.dark p{color:rgba(255,255,255,.78)}
.dark .label{color:#7FE0A8}
.bignum{font-size:clamp(44px,8vw,86px);font-weight:800;letter-spacing:-0.03em;line-height:1}
.dark-split{display:grid;gap:28px}
@media(min-width:900px){.dark-split{grid-template-columns:1.1fr 1fr;gap:56px;align-items:center}}

/* founder */
.founder{display:grid;gap:24px;align-items:center}
@media(min-width:900px){.founder{grid-template-columns:1fr 1fr;gap:56px}}
.founder img{border-radius:var(--radius-lg);aspect-ratio:4/3;object-fit:cover;width:100%}
.quote{font-size:clamp(19px,2.2vw,26px);font-weight:600;line-height:1.35;color:var(--ink);letter-spacing:-0.01em}
.sign{margin-top:20px;font-size:15px;color:var(--muted)}

/* objects */
.obj{background:var(--bg);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;display:flex;flex-direction:column}
.obj img{aspect-ratio:4/3;object-fit:cover;width:100%}
.obj-body{padding:20px;display:flex;flex-direction:column;gap:8px;flex:1}
.obj-body h3{font-size:19px}
.obj-body p{font-size:15px}
.tag{display:inline-block;align-self:flex-start;font-size:13px;font-weight:700;color:var(--accent);background:rgba(31,168,92,.1);padding:5px 11px;border-radius:999px}
.obj-no-photo{background:var(--surface);border:none}
.obj-no-photo .obj-body{padding:26px}

/* фотолента */
.photo-strip{display:grid;gap:16px;margin-top:28px}
@media(min-width:640px){.photo-strip{grid-template-columns:repeat(2,1fr);gap:20px}}
@media(min-width:960px){.photo-strip.s3{grid-template-columns:repeat(3,1fr)}
  .photo-strip.s4{grid-template-columns:repeat(4,1fr)}}
.photo-strip figure{margin:0;display:flex;flex-direction:column;gap:10px}
.photo-strip img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--radius);
  transition:transform 1.1s cubic-bezier(.2,.7,.2,1)}
.photo-strip figure:hover img{transform:scale(1.03)}
.photo-strip figcaption{font-size:14px;line-height:1.45;color:var(--muted)}
.dark .photo-strip figcaption{color:rgba(255,255,255,.7)}

/* steps */
.step{display:grid;gap:8px;padding:26px 0;border-top:1px solid var(--line)}
@media(min-width:820px){.step{grid-template-columns:64px 1fr 1fr;gap:32px;align-items:start;padding:32px 0}}
.step-n{font-size:15px;font-weight:800;color:var(--accent)}
.step h3{font-size:20px}
.step p{font-size:16px}

/* list */
.checks{display:grid;gap:14px}
@media(min-width:760px){.checks{grid-template-columns:1fr 1fr;gap:16px 32px}}
.check{display:flex;gap:12px;align-items:flex-start;font-size:16px;color:var(--ink);font-weight:500}
.check svg{flex:none;margin-top:3px;color:var(--accent)}

/* prices */
.price{background:var(--bg);border:1px solid var(--line);border-radius:var(--radius);padding:28px;display:flex;flex-direction:column;gap:12px}
.price.pop{border-color:var(--accent);box-shadow:0 0 0 1px var(--accent)}
.price .sum{font-size:clamp(24px,3vw,32px);font-weight:800;letter-spacing:-0.02em}
.price ul{list-style:none;display:grid;gap:8px;margin-top:4px}
.price li{font-size:15px;color:var(--muted);padding-left:18px;position:relative}
.price li::before{content:"";position:absolute;left:0;top:9px;width:6px;height:6px;border-radius:50%;background:var(--accent)}
.note{font-size:15px;color:var(--muted);margin-top:22px;max-width:70ch}

/* faq */
details{border-top:1px solid var(--line);padding:20px 0}
details summary{font-weight:700;font-size:18px;cursor:pointer;list-style:none;display:flex;justify-content:space-between;gap:20px;align-items:flex-start}
details summary::-webkit-details-marker{display:none}
details summary::after{content:"+";font-size:24px;font-weight:600;color:var(--accent);line-height:1}
details[open] summary::after{content:"–"}
details p{margin-top:12px;font-size:16px;max-width:78ch}

/* form */
.form-wrap{display:grid;gap:28px}
@media(min-width:900px){.form-wrap{grid-template-columns:1fr 1fr;gap:56px}}
.field{display:grid;gap:6px;margin-bottom:14px}
.field label{font-size:14px;font-weight:600}
.field input,.field select{
  width:100%;min-height:50px;padding:0 16px;border:1px solid var(--line);border-radius:var(--radius);
  font:inherit;font-size:16px;color:var(--ink);background:var(--bg);
}
.field input:focus,.field select:focus{outline:2px solid var(--accent);outline-offset:1px;border-color:transparent}
.contact-line{display:grid;gap:10px;margin-top:22px}
.contact-line a,.contact-line span{font-size:16px;font-weight:600;text-decoration:none;display:flex;gap:10px;align-items:center}
.contact-line small{display:block;font-weight:500;font-size:14px;color:var(--muted)}

/* воздушный фон */
.aura{position:absolute;border-radius:50%;filter:blur(60px);opacity:.55;pointer-events:none;z-index:1}
.aura-1{width:46vw;height:46vw;max-width:560px;max-height:560px;left:-8vw;top:-10vh;
  background:radial-gradient(circle,#BFE0EA 0%,rgba(191,224,234,0) 70%);animation:drift1 26s ease-in-out infinite}
.aura-3{width:52vw;height:52vw;max-width:620px;max-height:620px;left:-12vw;top:120vh;
  background:radial-gradient(circle,#DFF0F5 0%,rgba(223,240,245,0) 70%);animation:drift1 34s ease-in-out infinite}
.aura-2{width:38vw;height:38vw;max-width:460px;max-height:460px;right:-6vw;top:18vh;
  background:radial-gradient(circle,#9FE7C1 0%,rgba(159,231,193,0) 70%);animation:drift2 32s ease-in-out infinite}
@keyframes drift1{0%,100%{transform:translate(0,0)}50%{transform:translate(40px,32px)}}
@keyframes drift2{0%,100%{transform:translate(0,0)}50%{transform:translate(-46px,26px)}}

/* парящие стеклянные окна */
.floaters{position:absolute;inset:0;z-index:2;pointer-events:none;display:none}
@media(min-width:1080px){.floaters{display:block}}
.float-card{position:absolute;pointer-events:auto;
  background:rgba(255,255,255,.10);border:1px solid rgba(255,255,255,.26);
  backdrop-filter:blur(20px) saturate(1.15);-webkit-backdrop-filter:blur(20px) saturate(1.15);
  border-radius:var(--radius);padding:22px 26px;color:#fff;min-width:230px;
  box-shadow:0 30px 70px -34px rgba(6,40,45,.7), inset 0 1px 0 rgba(255,255,255,.28);
  transition:background .5s ease,border-color .5s ease}
.float-card:hover{background:rgba(255,255,255,.17);border-color:rgba(255,255,255,.42)}
.float-card b{display:block;font-size:27px;font-weight:800;letter-spacing:-0.02em}
.float-card span{font-size:13px;color:rgba(255,255,255,.82);display:block;margin-top:4px}
.float-card.solo{min-width:0;padding:15px 24px;font-size:16px;font-weight:700;
  text-transform:uppercase;letter-spacing:.07em;white-space:nowrap}
.fc-1{right:5%;top:15%;animation:float1 17s cubic-bezier(.45,0,.55,1) infinite}
.fc-2{right:20%;top:32%;animation:float2 21s cubic-bezier(.45,0,.55,1) infinite}
.fc-3{right:4%;top:49%;animation:float3 25s cubic-bezier(.45,0,.55,1) infinite}
.fc-4{right:19%;top:65%;animation:float4 19s cubic-bezier(.45,0,.55,1) infinite}
.fc-5{right:6%;top:80%;animation:float5 23s cubic-bezier(.45,0,.55,1) infinite}
@keyframes float1{
  0%{transform:translate(0,0) rotate(-1deg)}
  33%{transform:translate(-22px,-34px) rotate(.8deg)}
  66%{transform:translate(14px,-14px) rotate(-.5deg)}
  100%{transform:translate(0,0) rotate(-1deg)}}
@keyframes float2{
  0%{transform:translate(0,0) rotate(.9deg)}
  30%{transform:translate(26px,-28px) rotate(-.7deg)}
  70%{transform:translate(-18px,-40px) rotate(.6deg)}
  100%{transform:translate(0,0) rotate(.9deg)}}
@keyframes float3{
  0%{transform:translate(0,0) rotate(-.6deg)}
  40%{transform:translate(-28px,-24px) rotate(1deg)}
  75%{transform:translate(18px,-36px) rotate(-.8deg)}
  100%{transform:translate(0,0) rotate(-.6deg)}}
@keyframes float4{
  0%{transform:translate(0,0) rotate(.7deg)}
  35%{transform:translate(20px,-30px) rotate(-.6deg)}
  70%{transform:translate(-16px,-16px) rotate(.9deg)}
  100%{transform:translate(0,0) rotate(.7deg)}}
@keyframes float5{
  0%{transform:translate(0,0) rotate(-.8deg)}
  45%{transform:translate(-24px,-26px) rotate(.7deg)}
  80%{transform:translate(16px,-32px) rotate(-.5deg)}
  100%{transform:translate(0,0) rotate(-.8deg)}}
@media(prefers-reduced-motion:reduce){.aura,.float-card{animation:none}}

/* анимации появления */
.reveal{opacity:0;transform:translateY(30px);transition:opacity .9s cubic-bezier(.2,.7,.2,1),transform .9s cubic-bezier(.2,.7,.2,1)}
.reveal.in{opacity:1;transform:none}
.tile,.obj,.price{transition:transform .45s cubic-bezier(.2,.7,.2,1),box-shadow .45s ease,background .3s ease}
.tile:hover,.price:hover{transform:translateY(-6px);box-shadow:0 24px 50px -34px rgba(12,74,87,.6)}
.obj:hover{transform:translateY(-6px);box-shadow:0 24px 50px -34px rgba(12,74,87,.55)}
.obj img,.founder img{transition:transform 1.1s cubic-bezier(.2,.7,.2,1)}
.obj:hover img{transform:scale(1.04)}
.step{transition:background .35s ease}
.step:hover{background:var(--sky-1)}
@media(prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none}
  .hero-bg img{transform:none!important}
}

/* footer */
footer{padding:48px 0 40px;color:var(--muted);font-size:14px}
.foot-in{display:grid;gap:20px}
@media(min-width:820px){.foot-in{grid-template-columns:1fr auto;align-items:end}}
.todo{background:#FFF6E5;border:1px dashed #E2B96B;color:#7A5A17;font-size:14px;padding:14px 16px;border-radius:var(--radius);margin-top:20px}

/* корзина: степпер и кнопка в карточках, иконка в шапке */
/* степпер количества и кнопка — как в корзине, компактно */