/* ===== Base ===== */
:root{
  --ink:#0E1A2B;--ink2:#5B6676;--bg:#fff;--soft:#F4F8FB;--line:#E3E9EF;
  --blue:#1E7BE0;--cyan:#38C6FF;--navy:#07142A;--navy2:#0C2244;
  --ok:#2E9E6A;--bad:#D9534F;--r:12px;
  --shadow:0 1px 2px rgba(10,30,60,.05),0 8px 24px rgba(10,30,60,.06);
  --font:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:80px}
body{margin:0;font:16px/1.55 var(--font);color:var(--ink);background:var(--bg);-webkit-font-smoothing:antialiased;overflow-x:hidden}
img{max-width:100%;display:block}
a{color:inherit}
h1,h2,h3{line-height:1.15;margin:0 0 16px;letter-spacing:-.02em}
h1{font-size:clamp(32px,4.6vw,56px);font-weight:800}
h2{font-size:clamp(26px,3.2vw,40px);font-weight:800}
h3{font-size:19px;font-weight:700}
p{margin:0 0 16px}
.wrap{max-width:1160px;margin:0 auto;padding:0 24px}
.sr-only,.hp{position:absolute!important;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0;padding:0;margin:-1px}
.skip{position:absolute;left:-999px;top:8px;background:#fff;padding:8px 12px;border-radius:8px;z-index:100}
.skip:focus{left:8px}
:focus-visible{outline:3px solid var(--cyan);outline-offset:2px}
.muted{color:var(--ink2)} .muted-light{color:rgba(255,255,255,.7)}
.grad{background:linear-gradient(90deg,#7FE0FF,#3AA0FF 60%,#9AB8FF);-webkit-background-clip:text;background-clip:text;color:transparent}

/* ===== Buttons ===== */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:52px;padding:0 24px;border-radius:10px;border:0;font:700 16px/1 var(--font);cursor:pointer;text-decoration:none;transition:transform .2s,box-shadow .2s,background .2s;white-space:nowrap}
.btn--primary{color:#fff;background:linear-gradient(135deg,#2B8CFF,#16B5F5);box-shadow:0 8px 24px rgba(30,140,255,.35);position:relative;overflow:hidden}
.btn--primary::after{content:"";position:absolute;inset:0;background:linear-gradient(110deg,transparent 30%,rgba(255,255,255,.45) 50%,transparent 70%);transform:translateX(-120%);animation:shine 3.5s infinite}
.btn--primary:hover{transform:translateY(-2px);box-shadow:0 12px 30px rgba(30,140,255,.45)}
.btn--ghost{background:transparent;color:#fff;border:1.5px solid rgba(255,255,255,.35)}
.btn--ghost:hover{background:rgba(255,255,255,.08)}
.btn--ghost-dark{background:#fff;color:var(--ink);border:1.5px solid var(--line)}
.btn--small{min-height:44px;padding:0 18px;font-size:15px;color:#fff;background:var(--blue)}
.btn[disabled]{opacity:.7;cursor:wait}
@keyframes shine{0%,60%{transform:translateX(-120%)}100%{transform:translateX(120%)}}

/* ===== Header ===== */
.header{position:fixed;inset:0 0 auto;z-index:50;transition:background .3s,box-shadow .3s;color:#fff}
.header.is-scrolled{background:rgba(7,20,42,.88);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);box-shadow:0 1px 0 rgba(255,255,255,.08)}
.header__in{display:flex;align-items:center;gap:24px;height:72px}
.logo{display:flex;align-items:center;flex:none;padding:6px 12px;border-radius:10px;box-shadow:0 2px 10px rgba(0,0,0,.15)}
.logo img{height:40px;width:auto}
@media (max-width:680px){.logo{padding:5px 10px}.logo img{height:32px}}
.nav{display:flex;gap:24px;margin-left:auto}
.nav a{text-decoration:none;font-size:15px;opacity:.8}
.nav a:hover{opacity:1}
.header__cta{display:flex;align-items:center;gap:16px}
.header__phone{text-decoration:none;font-weight:700;display:flex;flex-direction:column;line-height:1.2;text-align:right}
.header__phone small{font-weight:400;font-size:12px;opacity:.65}

/* ===== Hero ===== */
.hero{position:relative;background:var(--navy);color:#fff;padding:128px 0 48px;overflow:hidden;isolation:isolate}
.hero__bg{position:absolute;inset:0;z-index:-1;background:
  radial-gradient(600px 400px at 78% 35%,rgba(56,198,255,.28),transparent 70%),
  radial-gradient(500px 500px at 10% 90%,rgba(43,140,255,.22),transparent 70%),
  linear-gradient(180deg,#07142A,#0B1E3D)}
.hero__bg::after{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.04) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.04) 1px,transparent 1px);background-size:48px 48px;mask-image:radial-gradient(ellipse at 60% 40%,#000 20%,transparent 75%);-webkit-mask-image:radial-gradient(ellipse at 60% 40%,#000 20%,transparent 75%)}
.hero__grid{display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center}
.badge{display:inline-flex;align-items:center;gap:10px;padding:8px 14px;border-radius:999px;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.14);font-size:14px;margin-bottom:24px}
.pulse{width:8px;height:8px;border-radius:50%;background:#3BE38B;box-shadow:0 0 0 0 rgba(59,227,139,.6);animation:pulse 2s infinite}
@keyframes pulse{70%{box-shadow:0 0 0 10px rgba(59,227,139,0)}100%{box-shadow:0 0 0 0 rgba(59,227,139,0)}}
.lead{font-size:18px;color:rgba(255,255,255,.78);max-width:560px}
.ticks{list-style:none;padding:0;margin:0 0 32px;display:grid;gap:10px}
.ticks li{padding-left:32px;position:relative}
.ticks li::before{content:"";position:absolute;left:0;top:2px;width:22px;height:22px;border-radius:50%;background:rgba(56,198,255,.16) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M6 12.5l4 4 8-9' fill='none' stroke='%2338C6FF' stroke-width='2.6' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center/16px no-repeat}

/* ===== Form ===== */
.lead-form{max-width:560px}
.lead-form__row{display:flex;gap:8px;padding:6px;border-radius:14px;background:#fff;border:1px solid var(--line);box-shadow:var(--shadow)}
.lead-form--dark .lead-form__row{background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.18);backdrop-filter:blur(8px)}
.field{flex:1;display:flex}
.field input{width:100%;min-height:52px;border:0;background:transparent;padding:0 14px;font:600 18px var(--font);color:inherit;outline:none;letter-spacing:.02em}
.lead-form--dark .field input{color:#fff}
.field input::placeholder{color:currentColor;opacity:.45}
.lead-form.is-invalid .lead-form__row{border-color:var(--bad);box-shadow:0 0 0 3px rgba(217,83,79,.25)}
.form-note{font-size:13px;opacity:.65;margin:12px 4px 0}
.form-note a{text-decoration:underline}
.form-msg{font-weight:600;margin:8px 4px 0;min-height:1em}
.form-msg.ok{color:#3BE38B} .lead-form:not(.lead-form--dark) .form-msg.ok{color:var(--ok)}
.form-msg.err{color:#FF8A80} .lead-form:not(.lead-form--dark) .form-msg.err{color:var(--bad)}
.lead-form.is-done .lead-form__row{display:none}

/* ===== 3D scene ===== */
.hero__visual{position:relative;height:440px}
.scene{position:absolute;inset:0;perspective:1100px;display:flex;align-items:flex-start;justify-content:center;padding-top:40px}
.airflow{position:absolute;inset:0;width:100%;height:100%;pointer-events:none}
.ac{--rx:-12deg;--ry:-24deg;--w:380px;--h:120px;--d:80px;position:relative;width:var(--w);height:var(--h);transform-style:preserve-3d;transform:rotateX(var(--rx)) rotateY(var(--ry));animation:float 6s ease-in-out infinite;transition:transform .15s linear}
@keyframes float{50%{translate:0 -12px}}
.ac__face{position:absolute;left:0;top:0;backface-visibility:hidden}
.ac__front{width:var(--w);height:var(--h);transform:translateZ(calc(var(--d)/2));border-radius:14px 14px 22px 22px;background:linear-gradient(180deg,#FFFFFF,#E8EEF4 70%,#D5DEE7);box-shadow:inset 0 -6px 12px rgba(0,30,60,.1)}
.ac__back{width:var(--w);height:var(--h);transform:rotateY(180deg) translateZ(calc(var(--d)/2));background:#AFBCC9;border-radius:14px}
.ac__top{width:var(--w);height:var(--d);top:calc(var(--h)/2 - var(--d)/2);transform:rotateX(90deg) translateZ(calc(var(--h)/2));background:linear-gradient(90deg,#DCE4EC,#F5F8FB,#DCE4EC);border-radius:10px}
.ac__vents{position:absolute;inset:14px 24px;background:repeating-linear-gradient(90deg,#B9C6D3 0 3px,transparent 3px 9px);border-radius:4px;opacity:.8}
.ac__bottom{width:var(--w);height:var(--d);top:calc(var(--h)/2 - var(--d)/2);transform:rotateX(-90deg) translateZ(calc(var(--h)/2));background:#C9D4DF;border-radius:10px}
.ac__louver{position:absolute;left:18px;right:18px;top:12px;height:26px;border-radius:6px;background:linear-gradient(180deg,#2A3B52,#0F1C2E);transform-origin:top;animation:louver 4s ease-in-out infinite}
@keyframes louver{50%{transform:rotateX(-35deg)}}
.ac__left,.ac__right{width:var(--d);height:var(--h);background:linear-gradient(180deg,#E9EFF5,#C5D0DB);border-radius:12px}
.ac__left{left:calc(var(--w)/2 - var(--d)/2);transform:rotateY(-90deg) translateZ(calc(var(--w)/2))}
.ac__right{left:calc(var(--w)/2 - var(--d)/2);transform:rotateY(90deg) translateZ(calc(var(--w)/2))}
.ac__grill{position:absolute;left:0;right:0;bottom:0;height:30px;border-radius:0 0 22px 22px;background:repeating-linear-gradient(0deg,#1A2A40 0 3px,#33475F 3px 6px)}
.ac__display{position:absolute;right:26px;top:34px;display:flex;align-items:center;gap:8px;padding:5px 10px;border-radius:8px;background:rgba(8,20,40,.85)}
.ac__led{width:7px;height:7px;border-radius:50%;background:#3BE38B;box-shadow:0 0 10px #3BE38B}
.ac__temp{font:700 15px/1 var(--font);color:#7FE0FF;text-shadow:0 0 8px rgba(127,224,255,.8)}
.ac__brand-line{position:absolute;left:26px;top:44px;width:70px;height:4px;border-radius:2px;background:#C8D3DE}
.ac-shadow{position:absolute;left:50%;top:330px;width:320px;height:40px;margin-left:-160px;border-radius:50%;background:radial-gradient(rgba(56,198,255,.35),transparent 70%);filter:blur(10px)}
.chip{position:absolute;padding:12px 16px;border-radius:12px;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.18);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);font-size:14px;animation:float 7s ease-in-out infinite}
.chip b{display:block;font-size:20px;color:var(--cyan)}
.chip--a{left:0;top:250px;animation-delay:-2s}
.chip--b{right:0;top:310px;animation-delay:-4s}

.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:56px;padding-top:32px;border-top:1px solid rgba(255,255,255,.12)}
.stats b{display:block;font-size:30px;font-weight:800}
.stats span{font-size:14px;color:rgba(255,255,255,.65)}

/* ===== Sections ===== */
.section{padding:96px 0}
.section--soft{background:var(--soft)}
.section--dark{background:var(--navy);color:#fff;position:relative;overflow:hidden}
.section--dark::before{content:"";position:absolute;inset:0;background:radial-gradient(700px 400px at 50% 0,rgba(56,198,255,.18),transparent 70%)}
.section__head{max-width:720px;margin-bottom:48px;position:relative}
.eyebrow{text-transform:uppercase;letter-spacing:.12em;font-size:13px;font-weight:700;color:var(--blue);margin-bottom:12px}
.eyebrow--light{color:var(--cyan)}

.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.card{padding:32px;border-radius:var(--r);border:1px solid var(--line);background:#fff;transition:box-shadow .3s,border-color .3s;transform-style:preserve-3d;will-change:transform}
.card:hover{box-shadow:0 20px 40px rgba(10,40,80,.1);border-color:#CFE3F7}
.card p{color:var(--ink2);margin:0}
.card__ico{width:52px;height:52px;border-radius:12px;margin-bottom:20px;background:#E6F3FE;position:relative;transform:translateZ(30px)}
.card__ico::after{content:"";position:absolute;inset:13px;background:var(--blue);-webkit-mask:var(--i) center/contain no-repeat;mask:var(--i) center/contain no-repeat}
.ico-smell{--i:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23000' stroke-width='2' stroke-linecap='round'%3E%3Cpath d='M6 20c-2-3 2-5 0-8s2-5 0-8M12 20c-2-3 2-5 0-8s2-5 0-8M18 20c-2-3 2-5 0-8s2-5 0-8'/%3E%3C/svg%3E")}
.ico-drop{--i:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23000' stroke-width='2' stroke-linejoin='round'%3E%3Cpath d='M12 3s7 7.5 7 12a7 7 0 01-14 0c0-4.5 7-12 7-12z'/%3E%3C/svg%3E")}
.ico-temp{--i:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23000' stroke-width='2' stroke-linecap='round'%3E%3Cpath d='M12 2v20M4.5 6.5l15 11M19.5 6.5l-15 11M9 4l3 2 3-2M9 20l3-2 3 2'/%3E%3C/svg%3E")}
.ico-bolt{--i:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23000' stroke-width='2' stroke-linejoin='round'%3E%3Cpath d='M13 2L4 14h7l-1 8 9-12h-7z'/%3E%3C/svg%3E")}
.ico-noise{--i:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23000' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M4 9v6h4l5 4V5L8 9zM16.5 8.5a5 5 0 010 7M19.5 5.5a9 9 0 010 13'/%3E%3C/svg%3E")}
.ico-lungs{--i:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23000' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M12 3v8M12 11c-1 2-3 2-3 2M12 11c1 2 3 2 3 2M8 6C5 6 3 11 3 16c0 3 2 4 4 4s2-2 2-4V9c0-2-1-3-1-3zM16 6c3 0 5 5 5 10 0 3-2 4-4 4s-2-2-2-4V9c0-2 1-3 1-3z'/%3E%3C/svg%3E")}

/* Before / after */
.ba{display:grid;grid-template-columns:.9fr 1.1fr;gap:56px;align-items:center}
.checklist{list-style:none;padding:0;margin:24px 0 0;display:grid;grid-template-columns:1fr 1fr;gap:10px 24px}
.checklist li{padding-left:26px;position:relative;font-size:15px}
.checklist li::before{content:"";position:absolute;left:0;top:7px;width:14px;height:8px;border-left:2.5px solid var(--ok);border-bottom:2.5px solid var(--ok);transform:rotate(-45deg)}
.ba__slider{position:relative;border-radius:16px;overflow:hidden;aspect-ratio:1000/747;box-shadow:0 30px 60px rgba(10,40,80,.18);user-select:none;--pos:62%}
.ba__slider>img,.ba__before img{width:100%;height:100%;object-fit:cover}
.ba__before{position:absolute;inset:0;clip-path:inset(0 calc(100% - var(--pos)) 0 0)}
.ba__handle{position:absolute;top:0;bottom:0;left:var(--pos);width:3px;margin-left:-1.5px;background:#fff;pointer-events:none}
.ba__handle::after{content:"‹ ›";position:absolute;top:50%;left:50%;width:48px;height:48px;margin:-24px 0 0 -24px;border-radius:50%;background:#fff;color:var(--ink);display:grid;place-items:center;font-weight:800;font-size:20px;box-shadow:0 4px 16px rgba(0,0,0,.25)}
.ba__range{position:absolute;inset:0;width:100%;height:100%;opacity:0;cursor:ew-resize;margin:0}
.ba__tag{position:absolute;top:16px;padding:6px 12px;border-radius:8px;font-size:13px;font-weight:700;color:#fff;background:rgba(0,0,0,.55);pointer-events:none}
.ba__tag--l{left:16px}.ba__tag--r{right:16px;background:rgba(46,158,106,.9)}

/* Compare */
.compare{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.compare__col{padding:36px;border-radius:16px}
.compare__col ul{list-style:none;margin:0;padding:0;display:grid;gap:14px}
.compare__col li{padding-left:34px;position:relative}
.compare__col li::before{position:absolute;left:0;top:0;width:24px;height:24px;border-radius:50%;display:grid;place-items:center;font-size:14px;font-weight:800;color:#fff}
.compare__col--bad{background:#FFF5F4;border:1px solid #F6D5D2}
.compare__col--bad li{color:#6B4A48}
.compare__col--bad li::before{content:"×";font-size:18px;background:var(--bad)}
.compare__col--good{background:linear-gradient(160deg,#EAF6FF,#F2FBF6);border:1px solid #CDE6F7;box-shadow:var(--shadow)}
.compare__col--good li::before{content:"✓";background:var(--ok)}

/* Prices */
.prices{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;align-items:stretch;position:relative}
.price{display:flex;flex-direction:column;padding:32px;border-radius:16px;background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.12);position:relative}
.price--hit{background:linear-gradient(170deg,rgba(43,140,255,.25),rgba(56,198,255,.08));border-color:rgba(56,198,255,.55);box-shadow:0 30px 60px rgba(0,0,0,.35)}
.price__flag{position:absolute;top:-13px;left:32px;padding:5px 12px;border-radius:999px;background:linear-gradient(90deg,#FFB547,#FF8A3D);color:#2A1500;font-size:13px;font-weight:800}
.price__sum{font-size:36px;font-weight:800;margin:4px 0 8px}
.price__sum span{font-size:16px;font-weight:500;opacity:.7}
.price__desc{color:rgba(255,255,255,.7);font-size:15px}
.price ul{list-style:none;padding:0;margin:0 0 28px;display:grid;gap:10px;flex:1;align-content:start}
.price li{padding-left:24px;position:relative;font-size:15px}
.price li::before{content:"";position:absolute;left:0;top:8px;width:10px;height:6px;border-left:2px solid var(--cyan);border-bottom:2px solid var(--cyan);transform:rotate(-45deg)}
.price .btn{width:100%}

/* Steps */
.steps{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:repeat(4,1fr);gap:24px;counter-reset:s;position:relative}
.steps::before{content:"";position:absolute;top:28px;left:28px;right:28px;height:2px;background:linear-gradient(90deg,var(--blue),var(--cyan));opacity:.25}
.step{position:relative}
.step__n{display:grid;place-items:center;width:56px;height:56px;border-radius:16px;background:linear-gradient(135deg,#2B8CFF,#16B5F5);color:#fff;font-size:22px;font-weight:800;margin-bottom:20px;box-shadow:0 10px 24px rgba(30,140,255,.3);position:relative}
.step p{color:var(--ink2);margin:0}

/* Reviews */
.reviews{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.review{margin:0;padding:32px;border-radius:16px;background:#fff;border:1px solid var(--line);display:flex;flex-direction:column}
.stars{color:#FFB547;letter-spacing:2px;margin-bottom:12px}
.review blockquote{margin:0 0 20px;flex:1}
.review figcaption{font-size:14px;color:var(--ink2)}
.review b{color:var(--ink)}

/* Guarantee */
.guarantee{display:flex;gap:40px;align-items:center;padding:48px;border-radius:20px;background:linear-gradient(135deg,#EAF6FF,#fff);border:1px solid #CDE6F7}
.guarantee p{font-size:18px;color:var(--ink2);margin:0;max-width:720px}
.guarantee__seal{flex:none;width:132px;height:132px;border-radius:50%;display:grid;place-items:center;background:conic-gradient(from 0deg,#2B8CFF,#38C6FF,#3BE38B,#2B8CFF);animation:spin 12s linear infinite;position:relative}
.guarantee__seal::before{content:"";position:absolute;inset:8px;border-radius:50%;background:#fff}
.guarantee__seal span{position:relative;font-size:30px;font-weight:800;color:var(--blue);animation:spin 12s linear infinite reverse}
@keyframes spin{to{transform:rotate(360deg)}}

/* FAQ */
.faq{max-width:860px}
.faq__list{display:grid;gap:12px}
.faq details{background:#fff;border:1px solid var(--line);border-radius:12px;padding:0 24px}
.faq summary{cursor:pointer;list-style:none;padding:20px 32px 20px 0;font-weight:700;font-size:17px;position:relative}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";position:absolute;right:0;top:50%;transform:translateY(-50%);font-size:24px;color:var(--blue);transition:transform .25s}
.faq details[open] summary::after{transform:translateY(-50%) rotate(45deg)}
.faq details p{color:var(--ink2);padding-bottom:20px;margin:0}

/* Final */
.final{position:relative;padding:112px 0;background:var(--navy);color:#fff;text-align:center;overflow:hidden;isolation:isolate}
.final__bg{position:absolute;inset:0;z-index:-1;background:radial-gradient(600px 300px at 50% 100%,rgba(56,198,255,.35),transparent 70%),radial-gradient(400px 300px at 10% 0,rgba(43,140,255,.25),transparent 70%)}
.final__in{display:flex;flex-direction:column;align-items:center}
.final .lead{margin-bottom:32px}
.final .lead-form{width:100%}

.footer{background:#050E1E;color:rgba(255,255,255,.6);font-size:14px;padding:32px 0}
.footer__in{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap}
.footer p{margin:0}

/* Mobile bar */
.mobile-bar{display:none}

/* Modal */
.modal{border:0;border-radius:16px;padding:40px;max-width:520px;width:calc(100% - 32px);box-shadow:0 40px 80px rgba(0,0,0,.35)}
.modal::backdrop{background:rgba(5,14,30,.65);backdrop-filter:blur(4px)}
.modal[open]{animation:pop .3s ease}
@keyframes pop{from{opacity:0;transform:translateY(20px) scale(.97)}}
.modal__close{position:absolute;top:12px;right:12px;width:44px;height:44px;border:0;background:transparent;font-size:28px;cursor:pointer;color:var(--ink2)}
.modal h2{font-size:28px}

/* Reveal on scroll */
.js .reveal{opacity:0;transform:translateY(28px);transition:opacity .7s ease,transform .7s ease}
.js .reveal.is-in{opacity:1;transform:none}

/* ===== Responsive ===== */
@media (max-width:1024px){
  .nav{display:none}
  .header__cta{margin-left:auto}
  .hero__grid,.ba{grid-template-columns:1fr}
  .hero__visual{height:380px;order:-1;margin-top:-16px}
  .cards,.reviews,.prices{grid-template-columns:1fr 1fr}
  .steps{grid-template-columns:1fr 1fr}.steps::before{display:none}
  .price--hit{transform:none}
}
@media (max-width:680px){
  .wrap{padding:0 20px}
  .header__phone{display:none}
  .hero{padding:96px 0 40px}
  .hero__visual{height:230px;margin-bottom:8px}
  .scene{padding-top:24px}
  .ac{--w:270px;--h:88px;--d:58px}
  .ac__display{top:22px;right:18px}.ac__brand-line{top:30px}
  .ac__grill{height:22px}
  .ac-shadow{top:160px;width:240px;margin-left:-120px}
  .chip{font-size:12px;padding:8px 12px}.chip b{font-size:16px}
  .chip--a{top:140px}.chip--b{top:172px}
  .lead{font-size:17px}
  .lead-form__row{flex-direction:column}
  .lead-form--dark .lead-form__row{background:rgba(255,255,255,.08)}
  .btn{width:100%}
  .header .btn{width:auto}
  .stats{grid-template-columns:1fr 1fr;gap:24px}
  .stats b{font-size:24px}
  .section{padding:64px 0}
  .cards,.reviews,.prices,.compare,.steps,.checklist{grid-template-columns:1fr}
  .compare__col,.card,.price,.review{padding:24px}
  .guarantee{flex-direction:column;text-align:center;padding:32px 24px}
  .final{padding:72px 0 96px}
  .mobile-bar{display:flex;gap:8px;position:fixed;left:0;right:0;bottom:0;z-index:40;padding:10px 12px calc(10px + env(safe-area-inset-bottom));background:rgba(255,255,255,.94);backdrop-filter:blur(10px);border-top:1px solid var(--line);transform:translateY(110%);transition:transform .3s}
  .mobile-bar.is-on{transform:none}
  .mobile-bar .btn{flex:1;min-height:48px;padding:0 12px}
  .footer{padding-bottom:96px}
  .modal{padding:32px 20px 24px}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important;transition:none!important;scroll-behavior:auto!important}
  .js .reveal{opacity:1;transform:none}
}

/* ===== Astrom: лендинг внутри общей шапки сайта ===== */
.is-landing .hero{padding-top:56px}
@media (max-width:680px){.is-landing .hero{padding-top:32px}}

/* Поле телефона во встроенной форме: прозрачный фон и видимая подсказка (v1.1) */
.lead-form .lead-form__row input[type=tel]{background:transparent;border:0;min-height:52px;box-shadow:none}
.lead-form--dark .lead-form__row input[type=tel]{color:#fff}
.lead-form--dark .lead-form__row input::placeholder{color:rgba(255,255,255,.6);opacity:1}
.lead-form:not(.lead-form--dark) .lead-form__row input::placeholder{color:var(--ink2);opacity:.8}
.lead-form__label{display:block;font-size:14px;font-weight:600;margin:0 4px 8px;opacity:.85}