:root{
  --bg:#07101C; --s1:#0D1828; --s2:#142035; --line:#22385A;
  --blue:#0066CC; --ice:#00AAFF; --ice2:#5CCBFF; --deep:#004499; --chrome:#D2DEEA;
  --text:#F4F8FF; --muted:#C3D2E3; --muted2:#9DB3CC; --dim:#7F96B2; --heat:#F97316; --wa:#25D366;
  --display:"Barlow Condensed",sans-serif; --body:"Barlow",sans-serif; --mono:"JetBrains Mono",monospace;
  --gut:clamp(16px,4vw,56px); --max:1320px;
  /* Copo de hielo: sustituye a los guiones decorativos en subtítulos y separadores */
  --flake:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='1.9' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M12 2v20M9 4.6l3 2.4 3-2.4M9 19.4l3-2.4 3 2.4'/%3E%3Cg transform='rotate(60 12 12)'%3E%3Cpath d='M12 2v20M9 4.6l3 2.4 3-2.4M9 19.4l3-2.4 3 2.4'/%3E%3C/g%3E%3Cg transform='rotate(120 12 12)'%3E%3Cpath d='M12 2v20M9 4.6l3 2.4 3-2.4M9 19.4l3-2.4 3 2.4'/%3E%3C/g%3E%3C/svg%3E");
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{-webkit-text-size-adjust:100%}
body{background:var(--bg);color:var(--text);font-family:var(--body);font-size:18px;line-height:1.62;overflow-x:hidden}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
.wrap{max-width:var(--max);margin:0 auto;padding:0 var(--gut)}
.mono{font-family:var(--mono);font-size:13px;letter-spacing:.06em;text-transform:uppercase}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
:focus-visible{outline:2px solid var(--ice);outline-offset:3px}

/* Subtítulo con copo de hielo */
.eyebrow{font-family:var(--mono);font-size:13px;font-weight:600;letter-spacing:.12em;text-transform:uppercase;color:var(--ice2);display:flex;gap:10px;align-items:center;line-height:1.35}
.eyebrow::before,.flake{content:"";flex:0 0 18px;width:18px;height:18px;background:currentColor;-webkit-mask:var(--flake) center/contain no-repeat;mask:var(--flake) center/contain no-repeat}
@keyframes spin{to{transform:rotate(360deg)}}

h1,h2,h3{font-family:var(--display);font-weight:800;text-transform:uppercase;line-height:.94;letter-spacing:-.005em}
h2{font-size:clamp(44px,6.2vw,94px)}
h3{font-size:clamp(26px,2.4vw,34px);line-height:1.02}
.chrome{background:linear-gradient(180deg,#fff 0%,#e6eef6 40%,#a9bccf 54%,#eef4fa 66%,#c9d7e5 100%);-webkit-background-clip:text;background-clip:text;color:transparent}

/* Negritas estratégicas: blanco + subrayado de hielo que se dibuja al entrar en pantalla */
main strong{color:#fff;font-weight:700;background-image:linear-gradient(rgba(0,170,255,.38),rgba(0,170,255,.38));background-repeat:no-repeat;background-position:0 94%;background-size:0 .3em;transition:background-size 1.1s cubic-bezier(.2,.8,.2,1) .2s;padding:0 .04em}
main strong.seen{background-size:100% .3em}
.big strong,.display strong{background:none;color:var(--ice);padding:0}

/* ---------- Botones ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:12px;min-height:56px;height:auto;line-height:1.15;padding:12px 26px;text-align:center;border-radius:6px;font-family:var(--display);font-weight:700;font-size:19px;letter-spacing:.06em;text-transform:uppercase;transition:transform .25s cubic-bezier(.2,.8,.2,1),box-shadow .25s,background .25s}
.btn-heat{background:var(--heat);color:#1a0b02;box-shadow:0 10px 30px -10px rgba(249,115,22,.7)}
.btn-heat:hover{transform:translateY(-2px);box-shadow:0 16px 40px -10px rgba(249,115,22,.9)}
.btn-line{border:1px solid rgba(210,222,234,.45);color:var(--text)}
.btn-line:hover{border-color:var(--ice);background:rgba(0,170,255,.08)}
.btn svg{width:18px;height:18px}
.btn .arrow{transition:transform .25s}
.btn:hover .arrow{transform:translateX(4px)}

/* ---------- Cabecera ---------- */
.top{position:fixed;inset:0 0 auto 0;z-index:50;transition:background .35s,border-color .35s}
.top.scrolled{background:rgba(7,16,28,.9);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.top .wrap{display:flex;align-items:center;gap:32px;height:84px}
.logo img{height:64px;width:auto;filter:drop-shadow(0 4px 18px rgba(0,102,204,.35))}
.nav{display:flex;gap:28px;margin-left:auto}
.nav a{font-family:var(--display);font-weight:600;font-size:17px;letter-spacing:.08em;text-transform:uppercase;color:var(--chrome);position:relative}
.nav a::after{content:"";position:absolute;left:0;right:100%;bottom:-6px;height:2px;background:var(--ice);transition:right .3s}
.nav a:hover{color:#fff}.nav a:hover::after{right:0}
.top .tel{font-family:var(--mono);font-size:14px;color:var(--text);display:flex;align-items:center;gap:8px}
.top .btn{height:46px;font-size:16px;padding:0 18px}
.burger{display:none;width:44px;height:44px;margin-left:auto;position:relative}
.burger span{position:absolute;left:10px;right:10px;height:2px;background:#fff;transition:.3s}
.burger span:nth-child(1){top:16px}.burger span:nth-child(2){top:26px}
.menu-open .burger span:nth-child(1){top:21px;transform:rotate(45deg)}
.menu-open .burger span:nth-child(2){top:21px;transform:rotate(-45deg)}
.mnav{position:fixed;inset:0;background:var(--bg);z-index:49;display:flex;flex-direction:column;justify-content:center;padding:0 var(--gut);gap:10px;clip-path:circle(0 at calc(100% - 38px) 42px);transition:clip-path .6s cubic-bezier(.7,0,.2,1)}
.menu-open .mnav{clip-path:circle(150% at calc(100% - 38px) 42px)}
.mnav a{font-family:var(--display);font-weight:800;font-size:46px;text-transform:uppercase;line-height:1.08}
.mnav .mono{margin-top:24px;color:var(--muted)}

/* ---------- HERO térmico ---------- */
.hero{position:relative;height:100vh;height:100svh;min-height:660px;overflow:hidden}
#air{position:absolute;inset:0;width:100%;height:100%}
.hero-fallback{position:absolute;inset:0;background:radial-gradient(60% 50% at 70% 40%,rgba(0,102,204,.35),transparent 70%),radial-gradient(40% 40% at 20% 70%,rgba(249,115,22,.18),transparent 70%)}
.hero::after{content:"";position:absolute;inset:auto 0 0 0;height:30%;background:linear-gradient(transparent,var(--bg));pointer-events:none}
.hero .wrap{position:relative;z-index:2;height:100%;display:grid;grid-template-columns:1.25fr .75fr;align-items:end;gap:40px;padding-bottom:clamp(40px,8vh,96px)}
.hero h1.eyebrow{font-size:14px}
.heads{position:relative;height:clamp(190px,23vw,340px);margin:18px 0 22px}
.heads .display{position:absolute;inset:0 auto auto 0;font-size:clamp(64px,9.6vw,156px);font-family:var(--display);font-weight:800;text-transform:uppercase;line-height:.92}
.heads .l{display:block;overflow:hidden}
.heads .l>span{display:block}
.heads .winter{visibility:hidden}
.heads .hot{color:var(--heat)}
.heads .cold{color:var(--ice)}
.hero-sub{max-width:580px;color:var(--muted);font-size:clamp(17px,1.35vw,20px)}
.hero-ctas{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.readout{justify-self:end;width:100%;max-width:340px;border:1px solid var(--line);background:rgba(13,24,40,.78);border-radius:4px;padding:22px 22px 18px;font-family:var(--mono)}
.readout .row{display:flex;justify-content:space-between;align-items:baseline;padding:10px 0;border-bottom:1px dashed var(--line);font-size:12.5px;letter-spacing:.08em;color:var(--muted);text-transform:uppercase}
.readout .row:last-child{border:0}
.readout .big{font-family:var(--display);font-weight:800;font-size:72px;line-height:1;letter-spacing:-.02em;color:var(--text)}
.readout .big small{font-size:32px;color:var(--muted)}
.readout .mode{color:var(--ice2)}
.readout .bar{height:3px;background:var(--line);margin-top:10px;position:relative;overflow:hidden}
.readout .bar i{position:absolute;inset:0;transform-origin:left;background:linear-gradient(90deg,var(--heat),var(--ice));transform:scaleX(0)}
.scrollhint{position:absolute;right:var(--gut);top:46%;z-index:3;writing-mode:vertical-rl;color:var(--muted2);display:flex;gap:12px;align-items:center}
.scrollhint .flake{width:16px;height:16px;flex-basis:16px;color:var(--ice2);animation:fall 2.4s ease-in-out infinite}
@keyframes fall{0%{transform:translateY(-6px) rotate(0);opacity:0}30%{opacity:1}100%{transform:translateY(26px) rotate(120deg);opacity:0}}

/* ---------- Franja de hechos ---------- */
.facts{border-top:1px solid var(--line);border-bottom:1px solid var(--line);overflow:hidden;background:var(--s1)}
.facts .track{display:flex;width:max-content}
.facts .item{display:flex;align-items:center;padding:22px 0 22px 34px;font-family:var(--display);font-weight:700;font-size:22px;text-transform:uppercase;letter-spacing:.04em;white-space:nowrap;color:var(--chrome)}
.facts .item b{color:var(--ice2);font-weight:800;margin:0 .28em}
.facts .item::after{content:"";flex:0 0 16px;width:16px;height:16px;margin-left:34px;background:var(--blue);-webkit-mask:var(--flake) center/contain no-repeat;mask:var(--flake) center/contain no-repeat}

/* ---------- Manifiesto ---------- */
.manifest{padding:clamp(90px,14vw,190px) 0 clamp(60px,9vw,120px)}
.manifest .wrap{display:grid;grid-template-columns:240px 1fr;gap:40px}
.manifest p.big{font-family:var(--display);font-weight:700;font-size:clamp(36px,4.4vw,66px);line-height:1.02;text-transform:uppercase;letter-spacing:-.005em}
.manifest p.big .w{opacity:.35}
.manifest .sign{margin-top:36px;display:flex;gap:28px;flex-wrap:wrap;color:var(--muted);max-width:780px}
.manifest .sign p{flex:1 1 300px}

/* ---------- Servicios ---------- */
.services{padding:clamp(60px,8vw,120px) 0;position:relative}
.services .wrap{display:grid;grid-template-columns:.9fr 1.1fr;gap:clamp(30px,6vw,100px)}
.services .stick{position:sticky;top:120px;align-self:start}
.services .stick p{color:var(--muted);max-width:440px;margin-top:22px}
.svc-preview{margin-top:36px;aspect-ratio:4/5;max-width:420px;border-radius:4px;overflow:hidden;position:relative;background:var(--s1)}
.svc-preview img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:0;transform:scale(1.08);transition:opacity .5s,transform .9s cubic-bezier(.2,.8,.2,1)}
.svc-preview img.on{opacity:1;transform:scale(1)}
.svc-preview::after{content:"";position:absolute;inset:0;box-shadow:inset 0 0 0 1px rgba(184,200,216,.12);background:linear-gradient(180deg,transparent 60%,rgba(7,16,28,.7))}
.svc-list{list-style:none;border-top:1px solid var(--line)}
.svc{border-bottom:1px solid var(--line);padding:30px 0;display:grid;grid-template-columns:64px 1fr auto;gap:18px;align-items:start;position:relative}
.svc::before{content:"";position:absolute;left:0;top:-1px;height:1px;width:0;background:var(--ice);transition:width .6s cubic-bezier(.2,.8,.2,1)}
.svc:hover::before,.svc.active::before{width:100%}
.svc .n{font-family:var(--mono);font-size:13px;color:var(--ice2);padding-top:8px}
.svc h3{color:var(--chrome);transition:color .3s}
.svc.active h3{color:#fff}
.svc p{color:var(--muted);margin-top:10px;max-width:540px}
.svc .tag{font-family:var(--mono);font-size:12px;letter-spacing:.08em;color:var(--chrome);border:1px solid var(--line);padding:6px 10px;border-radius:3px;white-space:nowrap;margin-top:6px}
.svc .m-img{display:none}

/* ---------- Trabajos (scroll horizontal) ---------- */
.works{position:relative;overflow:hidden;background:linear-gradient(180deg,var(--bg),#050b14)}
.works-head{padding:clamp(60px,8vw,120px) 0 40px}
.works-head .wrap{display:flex;justify-content:space-between;align-items:end;gap:30px;flex-wrap:wrap}
.works-head p{color:var(--muted);max-width:440px}
.hscroll{display:flex;align-items:flex-start;gap:clamp(16px,2vw,28px);padding:0 var(--gut) clamp(60px,8vw,110px);overflow-x:auto;scroll-snap-type:x mandatory}
.hscroll>*{scroll-snap-align:start}
.works.pinned .hscroll{width:max-content;overflow:visible}
.card{position:relative;flex:0 0 auto;width:clamp(260px,28vw,420px);border-radius:4px;overflow:hidden;background:var(--s1)}
.card.wide{width:clamp(300px,44vw,680px)}
.card .ph{aspect-ratio:4/5;overflow:hidden}
.card.wide .ph{aspect-ratio:16/10}
.card img{width:100%;height:100%;object-fit:cover}
.works.pinned .card img{transform:scale(1.12)}
.card figcaption{position:absolute;left:0;right:0;bottom:0;padding:22px 18px 16px;background:linear-gradient(transparent,rgba(5,11,20,.95) 45%);display:flex;justify-content:space-between;align-items:end;gap:10px}
.card figcaption b{font-family:var(--display);font-weight:800;font-size:25px;text-transform:uppercase;line-height:1}
.card figcaption span{font-family:var(--mono);font-size:12px;letter-spacing:.05em;color:var(--chrome);text-align:right}
.card.real::before{content:"FOTO REAL";position:absolute;top:14px;left:14px;z-index:2;font-family:var(--mono);font-size:11px;letter-spacing:.12em;background:rgba(7,16,28,.85);border:1px solid var(--line);padding:5px 8px;border-radius:2px;color:var(--chrome)}
.card.end{display:flex;flex-direction:column;justify-content:space-between;padding:30px;background:var(--blue);width:clamp(260px,26vw,380px)}
.card.end h3{font-size:clamp(34px,3.4vw,52px)}
.card.end p{color:#eaf2ff;margin:14px 0 24px}

/* ---------- Lo que no se ve ---------- */
.detail{padding:clamp(80px,10vw,150px) 0}
.detail .wrap{display:grid;grid-template-columns:1fr 1fr;gap:clamp(30px,6vw,90px);align-items:center}
.anno{position:relative;aspect-ratio:1300/1219;border-radius:4px;overflow:hidden}
.anno img{width:100%;height:100%;object-fit:cover}
.anno::before{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(7,16,28,.35) 0%,transparent 22%,transparent 78%,rgba(7,16,28,.45));z-index:1}
.anno svg{position:absolute;inset:0;width:100%;height:100%;z-index:2;overflow:visible}
.anno .dot{fill:var(--ice)}
.anno .ring{fill:none;stroke:var(--ice);stroke-width:1.5;transform-box:fill-box;transform-origin:center}
.anno .leader{fill:none;stroke:#fff;stroke-width:1.2;stroke-dasharray:400;stroke-dashoffset:0}
.anno .lbl{position:absolute;z-index:3;font-family:var(--mono);font-size:12px;letter-spacing:.05em;text-transform:uppercase;background:rgba(7,16,28,.92);border:1px solid var(--line);padding:8px 10px;border-radius:3px;max-width:200px;color:var(--text)}
.anno .lbl b{display:block;color:var(--ice2);font-weight:600;margin-bottom:2px}
.detail .intro{color:var(--muted);margin-top:22px;max-width:540px}
.detail ol{list-style:none;counter-reset:d;margin-top:30px}
.detail li{counter-increment:d;display:grid;grid-template-columns:44px 1fr;gap:12px;padding:18px 0;border-top:1px solid var(--line);color:var(--muted)}
.detail li::before{content:"0" counter(d);font-family:var(--mono);color:var(--ice2);font-size:13px;padding-top:4px}
.detail li b{color:var(--text);font-weight:700;display:block}

/* ---------- Proceso: el paso activo se destaca siguiendo la línea ---------- */
.process{background:var(--s1);border-top:1px solid var(--line);border-bottom:1px solid var(--line);position:relative;overflow:hidden}
.process .speed{position:absolute;inset:0;pointer-events:none;background:repeating-linear-gradient(-62deg,transparent 0 80px,rgba(0,102,204,.05) 80px 82px)}
.process .wrap{position:relative;padding-top:clamp(70px,9vw,130px);padding-bottom:clamp(70px,9vw,130px)}
.process .lead{color:var(--muted);max-width:560px;margin-top:20px}
.steps{display:grid;grid-template-columns:repeat(4,1fr);margin-top:56px;position:relative}
.steps .rail{position:absolute;left:0;right:0;top:27px;height:2px;background:var(--line)}
.steps .rail i{position:absolute;inset:0;background:linear-gradient(90deg,var(--heat),var(--ice));transform-origin:left;transform:scaleX(0)}
.step{padding-right:30px;position:relative;transition:transform .5s cubic-bezier(.2,.8,.2,1)}
.step .k{width:56px;height:56px;border-radius:50%;background:var(--bg);border:2px solid var(--line);display:grid;place-items:center;font-family:var(--mono);font-size:14px;color:var(--muted2);position:relative;z-index:1;transition:border-color .4s,color .4s,box-shadow .4s,background .4s}
.step h3{margin:26px 0 10px;font-size:clamp(24px,2.1vw,30px);color:var(--dim);transition:color .45s}
.step p{color:var(--dim);font-size:17px;transition:color .45s}
.step p strong{color:inherit;background:none}
.step.lit .k{border-color:var(--ice);color:#fff}
.step.lit h3,.step.lit p{color:var(--muted2)}
.step.current{transform:translateY(-6px)}
.step.current .k{background:var(--ice);border-color:var(--ice);color:#04101f;box-shadow:0 0 0 7px rgba(0,170,255,.16),0 0 28px rgba(0,170,255,.45)}
.step.current h3{color:#fff}
.step.current p{color:var(--text)}
.step.current p strong{color:#fff;background-image:linear-gradient(rgba(0,170,255,.38),rgba(0,170,255,.38));background-size:100% .3em}
.no-motion .step h3{color:#fff}.no-motion .step p{color:var(--muted)}

/* ---------- Averías + formulario ---------- */
.quote{padding:clamp(80px,10vw,150px) 0;position:relative}
.quote .wrap{display:grid;grid-template-columns:1fr 1fr;gap:clamp(30px,6vw,90px)}
.quote .lead{color:var(--muted);margin-top:20px;max-width:520px}
.chips{display:flex;flex-wrap:wrap;gap:10px;margin:28px 0 24px}
.chip{border:1px solid var(--line);padding:12px 16px;border-radius:40px;font-weight:600;font-size:16px;color:var(--chrome);transition:background .25s,color .25s,border-color .25s}
.chip:hover{border-color:var(--chrome)}
.chip[aria-checked="true"]{background:var(--text);color:var(--bg);border-color:var(--text)}
.answer{border-left:2px solid var(--ice);padding:6px 0 6px 18px;color:var(--muted);min-height:90px}
.wa{display:inline-flex;align-items:center;gap:10px;margin-top:20px;color:var(--wa);font-weight:600}
.wa svg{width:20px;height:20px}
form.lead{background:var(--s1);border:1px solid var(--line);border-top:3px solid var(--blue);border-radius:4px;padding:clamp(22px,3vw,40px);display:grid;grid-template-columns:1fr 1fr;gap:16px}
form.lead .full{grid-column:1/-1}
form.lead label{display:block;font-family:var(--mono);font-size:12px;letter-spacing:.08em;text-transform:uppercase;color:var(--muted);margin-bottom:8px}
form.lead input:not([type=checkbox]),form.lead select,form.lead textarea{min-height:54px;width:100%;background:var(--bg);border:1px solid #2B4468;border-radius:4px;color:var(--text);font:inherit;font-size:17px;padding:14px;transition:border-color .2s,box-shadow .2s}
form.lead textarea{min-height:110px;resize:vertical}
form.lead ::placeholder{color:var(--muted2)}
form.lead :focus{outline:none;border-color:var(--ice);box-shadow:0 0 0 3px rgba(0,170,255,.18)}
form.lead .legal label{display:flex;gap:10px;align-items:flex-start;text-transform:none;letter-spacing:0;font-family:var(--body);font-size:14px;color:var(--muted)}
form.lead .legal input{width:24px;height:24px;margin-top:0;flex:0 0 24px;accent-color:var(--ice)}
form.lead .btn{width:100%;justify-content:center}

/* ---------- Zona ---------- */
.zone{padding:clamp(70px,9vw,140px) 0;border-top:1px solid var(--line)}
.zone .wrap{display:grid;grid-template-columns:1.1fr .9fr;gap:clamp(30px,6vw,90px);align-items:center}
.zone .lead{color:var(--muted);margin-top:22px;max-width:500px}
.radar{position:relative;aspect-ratio:1;max-width:620px;width:100%}
.radar svg{width:100%;height:100%}
.radar .ring{fill:none;stroke:var(--line);stroke-width:1}
.radar .ring-l{font-family:var(--mono);font-size:11px;fill:var(--muted2);letter-spacing:.06em}
.radar .town circle{fill:var(--ice)}
.radar .town text{font-family:var(--display);font-weight:700;font-size:16px;fill:var(--text);text-transform:uppercase;letter-spacing:.04em}
.radar .town .km{font-family:var(--mono);font-size:11px;fill:var(--muted2);font-weight:400}
.radar .home circle{fill:var(--heat)}
.zone ul{list-style:none;margin-top:28px;columns:2;column-gap:30px}
.zone li{padding:10px 0;border-bottom:1px solid var(--line);font-weight:600;break-inside:avoid;display:flex;justify-content:space-between;gap:10px}
.zone li span{font-family:var(--mono);font-size:12.5px;color:var(--muted2);font-weight:400}

/* ---------- Reseñas ---------- */
.reviews{padding:clamp(70px,9vw,130px) 0;background:var(--s1);border-top:1px solid var(--line)}
.rv-grid{display:grid;grid-template-columns:1.3fr 1fr 1fr;gap:20px;margin-top:50px}
.rv{border:1px solid var(--line);border-radius:4px;padding:34px 30px 30px;position:relative;background:var(--bg)}
.rv.big{padding-top:58px;grid-row:span 2;display:flex;flex-direction:column;justify-content:space-between;background:linear-gradient(160deg,var(--deep),var(--bg) 70%)}
.rv q{display:block;font-size:18px;quotes:none;color:var(--text)}
.rv.big q{font-family:var(--display);font-weight:700;font-size:clamp(28px,2.6vw,40px);line-height:1.05;text-transform:uppercase}
.rv .who{margin-top:22px;font-family:var(--mono);font-size:12.5px;color:var(--muted2);letter-spacing:.05em}
.rv .stars{color:var(--ice2);letter-spacing:3px;margin-bottom:14px}
.rv .demo{position:absolute;top:10px;right:12px;font-family:var(--mono);font-size:10.5px;letter-spacing:.08em;color:var(--heat);border:1px dashed var(--heat);padding:3px 6px;border-radius:2px}

/* ---------- FAQ ---------- */
.faq{padding:clamp(70px,9vw,130px) 0}
.faq .wrap{display:grid;grid-template-columns:.8fr 1.2fr;gap:clamp(30px,6vw,90px)}
.faq .stick{position:sticky;top:120px;align-self:start}
.faq .stick p{color:var(--muted);margin-top:20px;max-width:380px}
.faq-group{font-family:var(--mono);font-size:12.5px;letter-spacing:.1em;text-transform:uppercase;color:var(--ice2);margin:34px 0 8px;display:flex;align-items:center;gap:10px}
.faq-group:first-child{margin-top:0}
details{border-bottom:1px solid var(--line)}
summary{list-style:none;cursor:pointer;padding:22px 44px 22px 0;position:relative}
summary h3{font-size:clamp(22px,1.9vw,27px);line-height:1.1;color:var(--text)}
summary::-webkit-details-marker{display:none}
summary::after{content:"";position:absolute;right:6px;top:50%;width:13px;height:13px;border-right:2px solid var(--ice);border-bottom:2px solid var(--ice);transform:translateY(-70%) rotate(45deg);transition:transform .3s}
details[open] summary::after{transform:translateY(-30%) rotate(-135deg)}
details p{color:var(--muted);padding:0 0 24px;max-width:640px}

/* ---------- CTA final + pie ---------- */
.final{position:relative;padding:clamp(90px,12vw,170px) 0;overflow:hidden;isolation:isolate}
.final img{position:absolute;inset:0;width:100%;height:120%;object-fit:cover;z-index:-2;top:-10%}
.final::before{content:"";position:absolute;inset:0;z-index:-1;background:linear-gradient(100deg,rgba(7,16,28,.97) 35%,rgba(0,68,153,.6))}
.final h2{font-size:clamp(52px,8vw,128px);max-width:900px}
.final p{color:var(--muted);max-width:540px;margin:22px 0 34px;font-size:19px}
footer{border-top:1px solid var(--line);padding:60px 0 110px;color:var(--muted);font-size:16px}
footer .wrap{display:grid;grid-template-columns:1.3fr 1fr 1fr 1fr;gap:30px}
footer .ft{font-family:var(--mono);font-weight:600;font-size:12px;letter-spacing:.12em;text-transform:uppercase;color:var(--chrome);margin-bottom:14px}
footer a{display:block;padding:4px 0}
footer a:hover{color:#fff}
footer address{font-style:normal;margin-top:6px}
footer .legal{grid-column:1/-1;border-top:1px solid var(--line);padding-top:24px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;font-size:14px}
footer .legal a{display:inline}

.mbar{display:none}


/* ---------- Barra de progreso: de calor a frío, con copos orbitando en la punta ---------- */
.progress{position:absolute;left:0;right:0;bottom:-1px;height:2px;pointer-events:none;--p:0}
.progress .fill{position:absolute;inset:0;background:linear-gradient(90deg,var(--heat),#ffb27a 28%,#9ad9ff 62%,var(--ice));clip-path:inset(0 calc(100% - var(--p) * 100%) 0 0);box-shadow:0 0 10px rgba(0,170,255,.35)}
.progress .orbit{position:absolute;top:1px;left:clamp(8px,calc(var(--p) * 100%),calc(100% - 16px));width:0;height:0;color:var(--tip,var(--heat));opacity:0;transition:opacity .4s}
.progress.on .orbit{opacity:1}
.progress .orbit em{position:absolute;left:-2.5px;top:-2.5px;width:5px;height:5px;border-radius:50%;background:currentColor;box-shadow:0 0 8px 2px currentColor}
.progress .orbit b{position:absolute;left:0;top:0;width:0;height:0;animation:orb 3.2s linear infinite}
.progress .orbit b::before{content:"";position:absolute;width:var(--s);height:var(--s);left:calc(var(--r) - var(--s) / 2);top:calc(var(--s) / -2);background:currentColor;-webkit-mask:var(--flake) center/contain no-repeat;mask:var(--flake) center/contain no-repeat;animation:spin 2.6s linear infinite}
.progress .orbit b:nth-of-type(1){--r:11px;--s:8px}
.progress .orbit b:nth-of-type(2){--r:15px;--s:6px;animation-duration:4.4s;animation-direction:reverse;animation-delay:-1.2s}
.progress .orbit b:nth-of-type(3){--r:7px;--s:5px;animation-duration:2.4s;animation-delay:-.6s}
@keyframes orb{to{transform:rotate(360deg)}}

/* ---------- Fondos fotográficos sutiles con parallax ---------- */
.has-bg{position:relative;isolation:isolate;overflow:hidden}
.has-bg>.bg{position:absolute;left:0;right:0;top:-14%;bottom:-14%;z-index:-2}
.has-bg>.bg img{width:100%;height:100%;object-fit:cover;filter:saturate(.7) contrast(1.05)}
.has-bg::before{content:"";position:absolute;inset:0;z-index:-1;background:linear-gradient(180deg,var(--bgc,var(--bg)) 0%,rgba(7,16,28,.9) 16%,rgba(7,16,28,.86) 55%,rgba(7,16,28,.92) 84%,var(--bgc,var(--bg)) 100%)}
.reviews.has-bg{--bgc:var(--s1)}
.reviews.has-bg::before{background:linear-gradient(180deg,var(--s1) 0%,rgba(13,24,40,.9) 16%,rgba(13,24,40,.86) 55%,rgba(13,24,40,.93) 84%,var(--s1) 100%)}

/* ---------- Calculadora de frigorías ---------- */
.calc{padding:clamp(80px,10vw,150px) 0}
.calc .head{display:grid;grid-template-columns:1fr 1fr;gap:clamp(30px,6vw,90px);align-items:end}
.calc .head p{color:var(--muted);max-width:520px}
.calc-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:clamp(24px,4vw,64px);margin-top:48px;align-items:start}
.calc-form{background:rgba(13,24,40,.82);border:1px solid var(--line);border-radius:4px;padding:clamp(20px,2.6vw,36px)}
.field{padding:20px 0;border-top:1px dashed var(--line)}
.field:first-child{border-top:0;padding-top:4px}
.field>label,.field>.lbl{display:flex;justify-content:space-between;align-items:baseline;gap:12px;font-family:var(--mono);font-size:12.5px;letter-spacing:.08em;text-transform:uppercase;color:var(--muted);margin-bottom:14px}
.field output{font-family:var(--display);font-weight:800;font-size:44px;line-height:1;color:#fff;letter-spacing:0;text-transform:none}
.calc input[type=range]{-webkit-appearance:none;appearance:none;width:100%;height:4px;border-radius:2px;outline:none;background:linear-gradient(90deg,var(--heat),var(--ice)) 0/var(--pp,20%) 100% no-repeat,var(--line)}
.calc input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;width:28px;height:28px;border-radius:50%;background:var(--bg);border:3px solid var(--ice);box-shadow:0 0 0 6px rgba(0,170,255,.15);cursor:grab}
.calc input[type=range]::-moz-range-thumb{width:22px;height:22px;border-radius:50%;background:var(--bg);border:3px solid var(--ice)}
.seg{display:flex;flex-wrap:wrap;gap:8px}
.seg button{border:1px solid var(--line);padding:11px 15px;border-radius:40px;font-weight:600;font-size:15.5px;color:var(--chrome);transition:.2s}
.seg button:hover{border-color:var(--chrome)}
.seg button[aria-checked="true"]{background:var(--text);color:var(--bg);border-color:var(--text)}
.field>label.check{display:flex;justify-content:flex-start;gap:12px;align-items:center;font-family:var(--body);font-size:16.5px;letter-spacing:0;text-transform:none;color:var(--text);margin-bottom:0;cursor:pointer}
.check+.check{margin-top:10px}
.check input{width:24px;height:24px;accent-color:var(--ice)}
.result{position:sticky;top:110px;background:linear-gradient(165deg,#0f2440,var(--s1) 60%);border:1px solid var(--line);border-top:3px solid var(--ice);border-radius:4px;padding:clamp(22px,2.6vw,38px)}
.gauge{width:100%;max-width:420px;margin:0 auto;display:block;overflow:visible}
.gauge .trk{fill:none;stroke:#1a2c47;stroke-width:12}
.gauge .val{fill:none;stroke:url(#gg);stroke-width:12;transition:stroke-dashoffset .1s}
.gauge .tick{stroke:#34507a;stroke-width:1.5}
.gauge text{font-family:var(--mono);font-size:12px;fill:var(--muted2)}
.gauge .needle{fill:#fff}
.r-main{text-align:center;margin-top:-92px}
.r-main .kw{font-family:var(--display);font-weight:800;font-size:clamp(76px,7vw,108px);line-height:.9;color:#fff}
.r-main .kw small{font-size:.38em;color:var(--muted);margin-left:4px}
.r-main .fr{font-family:var(--mono);font-size:13px;color:var(--ice2);letter-spacing:.05em;margin-top:6px}
.r-rec{margin-top:26px;border-top:1px dashed var(--line);padding-top:18px;display:grid;grid-template-columns:1fr auto;gap:12px;align-items:center}
.r-rec p{color:var(--muted);font-size:15.5px;line-height:1.4}
.r-rec b{color:#fff;font-weight:700}
.r-rec .eq{font-family:var(--display);font-weight:800;font-size:40px;color:var(--ice2);white-space:nowrap}
.result .btn{width:100%;justify-content:center;margin-top:22px}
.result .fine{font-size:13.5px;color:var(--muted2);margin-top:12px;text-align:center}

/* ---------- Anatomía de la instalación ---------- */
.anat{position:relative;background:linear-gradient(180deg,var(--bg),#081527 50%,var(--bg));overflow:hidden}
.anat .speed{position:absolute;inset:0;background:repeating-linear-gradient(-58deg,transparent 0 120px,rgba(0,102,204,.05) 120px 122px);pointer-events:none}
.anat .wrap{position:relative;display:grid;grid-template-columns:.85fr 1.15fr;gap:clamp(30px,5vw,80px);align-items:center;min-height:100vh;padding-top:104px;padding-bottom:36px}
.anat h2{font-size:clamp(38px,3.7vw,58px)}
@media (min-width:1081px) and (max-height:860px){.anat .wrap{padding-top:96px;padding-bottom:24px}.anat .lead{display:none}.parts li{padding:9px 0 9px 48px}.parts li span{font-size:14.5px}.diagram{max-height:70vh}}
.anat .lead{color:var(--muted);margin-top:16px;max-width:480px}
.parts{list-style:none;margin-top:26px;counter-reset:p}
.parts li{counter-increment:p;padding:11px 0 11px 48px;border-top:1px solid var(--line);position:relative;transition:transform .45s cubic-bezier(.2,.8,.2,1)}
.parts li::before{content:"0" counter(p);position:absolute;left:0;top:15px;font-family:var(--mono);font-size:12.5px;color:var(--dim);transition:color .4s}
.parts li b{display:block;font-family:var(--display);font-weight:800;font-size:23px;text-transform:uppercase;line-height:1;margin-bottom:5px;color:var(--dim);transition:color .4s}
.parts li span{display:block;font-size:15.5px;line-height:1.45;color:var(--dim);transition:color .4s}
.parts li.lit b{color:var(--muted2)}.parts li.lit span{color:var(--muted2)}.parts li.lit::before{color:var(--ice2)}
.parts li.current{transform:translateX(6px)}
.parts li.current b{color:#fff}.parts li.current span{color:var(--text)}.parts li.current::before{color:var(--ice)}
.diagram{width:100%;height:auto;max-height:78vh}
.diagram .ln{fill:none;stroke:var(--chrome);stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.diagram .ln.thin{stroke-width:1.2;stroke:#3d5a82}
.diagram .pipe{fill:none;stroke:var(--ice);stroke-width:3.5;stroke-linecap:round}
.diagram .pipe2{fill:none;stroke:var(--heat);stroke-width:3.5;stroke-linecap:round}
.diagram .drain{fill:none;stroke:var(--muted2);stroke-width:2;stroke-dasharray:6 6}
.diagram .hatch{fill:url(#hatch);stroke:#2B4468}
.diagram .lab{font-family:var(--mono);font-size:13px;fill:var(--muted);letter-spacing:.03em}
.diagram .hot{opacity:.22;transition:opacity .45s}
.diagram .hot.on{opacity:1}
.diagram .flow{fill:var(--ice2)}
.no-motion .parts li b{color:#fff}.no-motion .parts li span{color:var(--muted)}
.more-link{display:inline-flex;align-items:center;gap:10px;margin-top:26px;font-family:var(--display);font-weight:700;font-size:19px;letter-spacing:.05em;text-transform:uppercase;color:var(--ice2)}
.more-link svg{width:18px;height:18px;transition:transform .25s}
.more-link:hover svg{transform:translateY(4px)}

/* ---------- Zona: grupos de municipios ---------- */
.zone .groups{margin-top:26px;display:grid;gap:18px}
.zone .groups h3{font-family:var(--mono);font-weight:600;font-size:12.5px;letter-spacing:.1em;color:var(--ice2);display:flex;align-items:center;gap:10px}
.zone .groups p{color:var(--text);font-weight:500;margin-top:6px;line-height:1.55}
.zone .groups p span{color:var(--muted2);font-family:var(--mono);font-size:12px;font-weight:400}
.radar .mini circle{fill:#5CCBFF;opacity:.75}


/* ---------- Franja de fotos de obra con parallax ---------- */
.band{position:relative;overflow:hidden;background:#050b14;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.band .cols{display:grid;grid-template-columns:1fr 1.25fr 1fr;gap:clamp(8px,1.2vw,16px);height:clamp(300px,40vw,560px);padding:0 clamp(8px,1.2vw,16px)}
.band .col{position:relative;overflow:hidden;border-radius:3px}
.band .col img{position:absolute;left:0;right:0;top:-15%;width:100%;height:130%;object-fit:cover;filter:saturate(.85)}
.band::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(5,11,20,.55),rgba(5,11,20,.15) 40%,rgba(5,11,20,.75));pointer-events:none}
.band .cap{position:absolute;left:0;right:0;bottom:clamp(18px,3vw,40px);z-index:2;pointer-events:none;overflow:hidden}
.band .cap .eyebrow{padding-left:max(var(--gut),calc((100vw - var(--max)) / 2 + var(--gut)));margin-bottom:10px}
.band .cap .run{font-family:var(--display);font-weight:800;text-transform:uppercase;font-size:clamp(46px,8vw,132px);line-height:.9;white-space:nowrap;color:#fff;padding-left:var(--gut)}
.band .cap .run span{color:transparent;-webkit-text-stroke:1.5px rgba(210,222,234,.85)}

/* ---------- Foto de diagnóstico que cambia con cada avería ---------- */
.dx{display:grid;grid-template-columns:132px 1fr;gap:18px;align-items:start}
.dx-img{position:relative;aspect-ratio:1;border-radius:4px;overflow:hidden;background:var(--s1);border:1px solid var(--line)}
.dx-img img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:0;transform:scale(1.12);transition:opacity .55s,transform 1.1s cubic-bezier(.2,.8,.2,1)}
.dx-img img.on{opacity:1;transform:scale(1)}
.dx-img::after{content:"FOTO REAL";position:absolute;left:6px;bottom:6px;font-family:var(--mono);font-size:9.5px;letter-spacing:.1em;background:rgba(7,16,28,.85);padding:3px 5px;border-radius:2px;color:var(--chrome)}

/* ---------- Anatomía: tonos azules del logo para jerarquizar ---------- */
.parts li.lit b{color:#8CC4E6}
.parts li.current b{color:var(--ice2)}
.parts li strong{color:inherit;font-weight:700;background-size:0 .3em}
.parts li.current strong{color:#fff;background-size:100% .3em}
.no-motion .parts li b{color:var(--ice2)}

/* ---------- Reseñas: insignia y firma ---------- */
.rv .new{position:absolute;top:14px;right:14px;font-size:12px!important;display:inline-flex;align-items:center;gap:6px;font-family:var(--mono);font-size:11px;font-weight:600;letter-spacing:.08em;text-transform:uppercase;color:#04101f;background:var(--ice2);padding:5px 9px;border-radius:40px;box-shadow:0 0 0 4px rgba(0,170,255,.15)}
.rv .new .flake{width:12px;height:12px;flex-basis:12px}
.rv .who{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.rv .who .g{width:18px;height:18px;flex:0 0 18px}
.rv .who b{font-family:var(--body);font-weight:700;font-size:15px;letter-spacing:0;color:var(--text);text-transform:none}
.rv .stars span{display:inline-block}
.rv.big .who{margin-top:26px}

/* ---------- Primera capa informativa del formulario (LOPDGDD art. 11) ---------- */
form.lead .info{grid-column:1/-1;font-size:12.5px;line-height:1.5;color:var(--muted2);margin-top:-4px}
form.lead .info a,form.lead .legal a{color:var(--text);text-decoration:underline;text-underline-offset:2px}


/* ---------- v6.4: correcciones de revisión (móvil, UX, SEO) ---------- */
html{overflow-x:clip}
main>section,main>div,footer{overflow-x:clip}
.h2x{font-family:var(--display);font-weight:800;text-transform:uppercase;line-height:.94;letter-spacing:-.005em;font-size:clamp(44px,6.2vw,94px)}
.nav a.active{color:#fff}.nav a.active::after{right:0}
footer a{padding:9px 0}
.more-link{padding:10px 0}
.wa{padding:10px 0}
.alt-link{display:block;text-align:center;margin-top:12px;font-size:15px;color:var(--text);text-decoration:underline;text-underline-offset:3px;padding:8px 0}
.form-head{grid-column:1/-1;margin-bottom:4px}
.form-head h3{font-size:clamp(28px,2.6vw,38px)}
.form-head p{color:var(--muted);font-size:15.5px;margin-top:6px}
form.lead .req{color:var(--heat)}
form.lead .ok-msg{grid-column:1/-1;display:none;border:1px solid var(--ice);border-radius:4px;padding:14px 16px;color:var(--text);background:rgba(0,170,255,.08)}
form.lead.sent .ok-msg{display:block}
.calc-how{margin-top:18px;border-top:1px dashed var(--line)}
.calc-how summary{padding:14px 30px 10px 0}
.calc-how summary h3{font-size:18px;color:var(--ice2);font-family:var(--mono);font-weight:600;letter-spacing:.06em}
.calc-how p,.calc-how td,.calc-how th{font-size:15px;color:var(--muted)}
.calc-how table{width:100%;border-collapse:collapse;margin:6px 0 16px}
.calc-how th,.calc-how td{text-align:left;padding:7px 6px;border-bottom:1px solid var(--line)}
.calc-how th{font-family:var(--mono);font-weight:600;font-size:12px;letter-spacing:.06em;text-transform:uppercase;color:var(--muted2)}
.lbl .d{display:inline}
@media (max-width:640px){
  .mnav .mlinks{display:flex;gap:10px;margin-top:18px}
  .mnav .mlinks a{font-size:20px;border:1px solid var(--line);border-radius:6px;padding:12px 16px}
  .radar .town text{font-size:24px}.radar .town .km{font-size:20px}.radar .ring-l{font-size:19px}
  .gauge text{font-size:19px}
  .diagram .lab{font-size:23px}
  .dx-img::after{font-size:10.5px}
  .band .cap .run{font-size:clamp(40px,12vw,64px)}
  .band .cap .run span{color:var(--ice2);-webkit-text-stroke:0}
  .typing .mbar{transform:translateY(110%)!important}
  .r-main{margin-top:-64px}
}
@media (max-width:360px){
  .mbar{grid-template-columns:.9fr 1fr 1.35fr;gap:6px;padding-left:6px;padding-right:6px}
  .mbar a{font-size:13px;gap:4px;padding:0 3px;letter-spacing:.01em}
  .mbar a svg{display:none}
  .anno .lbl{font-size:9.5px;max-width:112px}
  .anno .lbl .d{display:none}
  .readout .row{flex-wrap:wrap;gap:0 6px}
  .r-main{margin-top:-40px}
  .r-main .kw{font-size:60px}
}
@media (max-height:540px) and (orientation:landscape){
  .hero{height:auto;min-height:0}
  .hero .wrap{height:auto;padding-top:100px;padding-bottom:40px}
}
body.menu-open{overflow:hidden}


/* ---------- Formulario nativo de Fluent Forms (WordPress) con la estética de la web ---------- */
.ff-wrap{background:var(--s1);border:1px solid var(--line);border-top:3px solid var(--blue);border-radius:4px;padding:clamp(22px,3vw,40px);display:block}
.ff-wrap .form-head{margin-bottom:14px}
.ff-wrap .fluentform .ff-el-group{margin-bottom:16px}
.ff-wrap .fluentform .ff-el-input--label label{font-family:var(--mono);font-size:12px;font-weight:400;letter-spacing:.08em;text-transform:uppercase;color:var(--muted)}
.ff-wrap .fluentform .ff-el-is-required.asterisk-right label:after{color:var(--heat)}
.ff-wrap .fluentform .ff-el-form-control{background:var(--bg);border:1px solid #2B4468;border-radius:4px;color:var(--text);font-family:var(--body);font-size:17px;padding:14px;min-height:54px;box-shadow:none}
.ff-wrap .fluentform .ff-el-form-control::placeholder{color:var(--muted2)}
.ff-wrap .fluentform .ff-el-form-control:focus{border-color:var(--ice);box-shadow:0 0 0 3px rgba(0,170,255,.18);outline:none;background:var(--bg);color:var(--text)}
.ff-wrap .fluentform select.ff-el-form-control option{color:#07101C}
.ff-wrap .fluentform .ff-el-tc,.ff-wrap .fluentform .ff_t_c{color:var(--muted);font-size:14px}
.ff-wrap .fluentform .ff-el-tc input[type=checkbox]{width:24px;height:24px;accent-color:var(--ice);margin-right:8px;vertical-align:middle}
.ff-wrap .fluentform .ff_t_c a{color:var(--text);text-decoration:underline}
.ff-wrap .fluentform .ff-btn-submit{width:100%;min-height:56px;background:var(--heat)!important;color:#1a0b02!important;border:0;border-radius:6px;font-family:var(--display);font-weight:700;font-size:19px;letter-spacing:.06em;text-transform:uppercase;box-shadow:0 10px 30px -10px rgba(249,115,22,.7);cursor:pointer}
.ff-wrap .fluentform .ff-btn-submit:hover{transform:translateY(-2px)}
.ff-wrap .fluentform .error,.ff-wrap .fluentform .text-danger{color:#ffb088;font-size:13.5px;margin-top:6px}
.ff-wrap .ff-message-success{border:1px solid var(--ice);background:rgba(0,170,255,.08);color:var(--text);padding:14px 16px;border-radius:4px;box-shadow:none}
.ff-wrap .info{font-size:12.5px;line-height:1.5;color:var(--muted2);margin-top:12px}
.ff-wrap .info a{color:var(--text);text-decoration:underline}
@media (min-width:641px){.ff-wrap .fluentform fieldset{display:grid;grid-template-columns:1fr 1fr;gap:0 16px}.ff-wrap .fluentform fieldset>*{grid-column:1/-1}.ff-wrap .fluentform fieldset>.ff-el-group.ff-half{grid-column:auto}}

/* Accesibilidad: saltar al contenido */
.skip{position:absolute;left:12px;top:-60px;z-index:100;background:var(--text);color:var(--bg);padding:10px 14px;border-radius:4px;font-weight:700}
.skip:focus{top:12px}
@media (max-width:300px){.mbar a{font-size:12px;padding:0 2px}}
/* ---------- Responsive ---------- */
@media (max-width:1080px){
  .nav,.top .tel{display:none}
  .top .btn{margin-left:auto}
  .burger{display:block;margin-left:0}
  .hero .wrap{grid-template-columns:1fr}
  .readout{justify-self:start;max-width:none;display:grid;grid-template-columns:1fr 1fr;gap:0 18px;padding:14px 16px}
  .readout .row{padding:6px 0}
  .readout .big{font-size:48px}
  .readout .big small{font-size:22px}
  .readout .bar{grid-column:1/-1}
  .scrollhint{display:none}
  .services .wrap,.detail .wrap,.quote .wrap,.zone .wrap,.faq .wrap{grid-template-columns:1fr}
  .services .stick,.faq .stick{position:static}
  .calc .head,.calc-grid{grid-template-columns:1fr}
  .result{position:relative;top:0}
  .anat .wrap{grid-template-columns:1fr;min-height:0;padding-top:90px;padding-bottom:90px}
  .diagram{max-height:none}
  .svc-preview{display:none}
  .svc .m-img{display:block;grid-column:1/-1;aspect-ratio:16/10;border-radius:4px;overflow:hidden;margin-top:8px}
  .svc .m-img img{width:100%;height:100%;object-fit:cover}
  /* proceso en vertical: la línea baja por la izquierda */
  .steps{grid-template-columns:1fr;gap:40px}
  .steps .rail{left:27px;right:auto;top:28px;bottom:28px;width:2px;height:auto}
  .steps .rail i{transform-origin:top;transform:scaleY(0);background:linear-gradient(180deg,var(--heat),var(--ice))}
  .step{padding:0 0 0 84px;min-height:56px}
  .step .k{position:absolute;left:0;top:0}
  .step h3{margin:12px 0 8px}
  .step.current{transform:translateX(6px)}
  .rv-grid{grid-template-columns:1fr 1fr}
  .rv.big{grid-column:1/-1;grid-row:auto}
  footer .wrap{grid-template-columns:1fr 1fr}
  .manifest .wrap{grid-template-columns:1fr;gap:20px}
}
@media (max-width:899px){
  .hscroll{-webkit-overflow-scrolling:touch;scrollbar-width:none}
  .hscroll::-webkit-scrollbar{display:none}
  .card{width:78vw}
  .card.wide{width:88vw}
}
@media (max-width:640px){
  body{font-size:17.5px;line-height:1.65}
  .top .wrap{height:68px;gap:12px}
  .logo img{height:44px}
  .top .btn{display:none}
  .burger{margin-left:auto}
  .hero{height:auto;min-height:100svh}
  .hero .wrap{height:auto;min-height:100svh;padding-top:92px;padding-bottom:96px;gap:22px}
  .hero h1.eyebrow{font-size:13px}
  .heads{height:clamp(170px,52vw,240px);margin:12px 0 16px}
  .heads .display{font-size:clamp(54px,15.5vw,80px)}
  .hero-sub{color:#D4DFEC}
  .hero-ctas .btn{flex:1 1 100%;justify-content:center}
  .hero-ctas .btn-line{display:none}
  .readout .big{font-size:40px}
  .readout .row{font-size:12px}
  .facts .item{font-size:19px;padding:16px 0 16px 22px}
  .facts .item::after{margin-left:22px}
  .manifest .sign,.services .stick p,.svc p,.works-head p,.detail .intro,.detail li,.quote .lead,.answer,.zone .lead,details p,.final p{color:#D4DFEC}
  .svc{grid-template-columns:40px 1fr}
  .svc .tag{grid-column:2;justify-self:start}
  .card figcaption span{font-size:12px}
  form.lead{grid-template-columns:1fr}
  .field output{font-size:38px}
  .dx{grid-template-columns:96px 1fr;gap:14px}
  .band .cols{grid-template-columns:1fr 1fr;height:340px}
  .band .col:nth-child(3){display:none}
  .r-rec .eq{font-size:32px}
  .diagram .lab{font-size:20px}
  .parts li span{color:var(--muted)}
  .rv-grid{grid-template-columns:1fr}
  footer .wrap{grid-template-columns:1fr}
  .anno .lbl{font-size:10.5px;max-width:142px;padding:6px 8px;line-height:1.35}
  .anno .lbl:nth-of-type(2){top:40%!important}
  .anno .lbl:nth-of-type(3){top:72%!important}
  .radar .town text{font-size:20px}.radar .town .km{font-size:15px}.radar .ring-l{font-size:15px}
  .mbar{display:grid;grid-template-columns:1fr 1fr 1.3fr;position:fixed;left:0;right:0;bottom:0;z-index:60;background:rgba(7,16,28,.97);border-top:1px solid var(--line);padding:10px 10px calc(10px + env(safe-area-inset-bottom));gap:8px;transform:translateY(110%);transition:transform .4s cubic-bezier(.2,.8,.2,1)}
  .mbar.show{transform:none}
  .mbar a{height:52px;border-radius:6px;display:flex;align-items:center;justify-content:center;gap:8px;font-family:var(--display);font-weight:700;font-size:18px;text-transform:uppercase;letter-spacing:.05em;border:1px solid var(--line)}
  .mbar a svg{width:18px;height:18px}
  .mbar .go{background:var(--heat);color:#1a0b02;border:0}
  .mbar .w{color:var(--wa)}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important;transition:none!important}
  .manifest p.big .w{opacity:1!important}
  main strong{background-size:100% .3em}
}
.form-head a[href^="tel:"],.hero-ctas a[href^="tel:"]{white-space:nowrap}
.svc-go+.svc-go{margin-left:22px}
.svc-go{display:inline-flex;align-items:center;gap:8px;margin-top:12px;font-family:var(--mono);font-size:12.5px;letter-spacing:.06em;text-transform:uppercase;color:var(--ice2);text-decoration:none;position:relative;z-index:2}
.svc-go .arrow{width:16px;height:16px;transition:transform .3s}
.svc-go:hover{color:#fff}.svc-go:hover .arrow{transform:translateX(4px)}