/* Aerotermia Madrid — hoja de estilos única. Sin dependencias externas. */
:root{
  --ink:#101518; --ink-2:#495860; --ink-3:#6d7a82;
  --paper:#ffffff; --paper-2:#f7f5f1; --paper-3:#efece5;
  --line:#e3dfd8; --line-2:#cfcabf;
  --brand:#0b5561; --brand-700:#073f48; --brand-100:#e6eff0;
  --accent:#b5552a; --accent-100:#f7ece5;
  --dark:#0d1417;
  --font-display:ui-serif,"Iowan Old Style","Palatino Linotype",Palatino,"Book Antiqua",Georgia,"Times New Roman",serif;
  --font-sans:system-ui,-apple-system,"Segoe UI Variable Text","Segoe UI",Ubuntu,Cantarell,"Noto Sans",sans-serif;
  --font-mono:ui-monospace,"SF Mono",SFMono-Regular,Menlo,Consolas,monospace;
  --header-h:72px;
  --maxw:1240px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--font-sans);font-size:17px;line-height:1.65;text-wrap:pretty;-webkit-font-smoothing:antialiased}
img,svg{max-width:100%}
a{color:var(--brand);text-decoration:none;text-underline-offset:3px}
a:hover{color:var(--accent);text-decoration:underline}
:focus-visible{outline:3px solid var(--accent);outline-offset:3px;border-radius:2px}
h1,h2,h3{font-family:var(--font-display);font-weight:600;color:var(--ink);letter-spacing:-.015em;line-height:1.12;margin:0}
h1{font-size:clamp(2.3rem,5.4vw,3.9rem)}
h2{font-size:clamp(1.7rem,3.2vw,2.5rem);line-height:1.16}
h3{font-size:clamp(1.15rem,1.7vw,1.45rem);line-height:1.25}
p{margin:0}
strong{font-weight:650;color:var(--ink)}
.skip{position:absolute;left:-9999px;top:0;z-index:9999;background:var(--ink);color:#fff;padding:12px 18px;font-weight:600}
.skip:focus{left:12px;top:12px;color:#fff}
.container{max-width:var(--maxw);margin-inline:auto;padding-inline:clamp(1.15rem,4vw,2.5rem);width:100%}
.prose{max-width:70ch}
.prose>*+*{margin-top:1.15em}
.prose h2{margin-top:2.4em}
.prose h3{margin-top:1.9em}
.prose ul,.prose ol{padding-left:1.25em;margin-top:1em}
.prose li+li{margin-top:.45em}
.section{padding:clamp(3.5rem,7vw,6.5rem) 0;position:relative}
.section--alt{background:var(--paper-2);border-block:1px solid var(--line)}
.section--tight{padding-block:clamp(2.5rem,4vw,4rem)}
.cv{content-visibility:auto;contain-intrinsic-size:auto 800px}
.eyebrow{font-family:var(--font-mono);font-size:.72rem;letter-spacing:.16em;text-transform:uppercase;color:var(--accent);font-weight:500;display:flex;align-items:center;gap:.6rem}
.eyebrow::before{content:"";width:26px;height:1px;background:var(--accent);flex:none}
.section-head{max-width:62ch;margin-bottom:clamp(2rem,3.5vw,3rem)}
.section-head h2{margin-top:.9rem}
.section-head p{margin-top:1rem;color:var(--ink-2);font-size:1.06rem}
.lead{font-size:clamp(1.05rem,1.6vw,1.25rem);color:var(--ink-2);line-height:1.6}
.muted{color:var(--ink-3)}
.small{font-size:.9rem}
.hairline{height:1px;background:var(--line);border:0;margin:0}
.hdr{position:sticky;top:0;z-index:100;background:rgba(255,255,255,.88);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-bottom:1px solid transparent;transition:border-color .25s ease,box-shadow .25s ease}
.hdr.is-scrolled{border-bottom-color:var(--line);box-shadow:0 1px 24px rgba(16,21,24,.05)}
.topbar{background:var(--ink);color:#e8e4dc;font-size:.82rem}
.topbar .container{display:flex;gap:1rem;align-items:center;justify-content:space-between;min-height:38px;flex-wrap:wrap}
.topbar span{font-family:var(--font-mono);letter-spacing:.06em;text-transform:uppercase;font-size:.7rem;color:#b8b2a6}
.topbar a{color:#fff;font-weight:600}
.topbar a:hover{color:#f0c9b3}
.hdr-in{display:flex;align-items:center;gap:1.5rem;min-height:var(--header-h)}
.logo{display:flex;align-items:center;gap:.65rem;flex:none;color:var(--ink)}
.logo:hover{text-decoration:none;color:var(--ink)}
.logo-mark{width:34px;height:34px;flex:none}
.logo-txt{display:flex;flex-direction:column;line-height:1.05}
.logo-txt b{font-family:var(--font-display);font-size:1.12rem;font-weight:600;letter-spacing:-.01em}
.logo-txt small{font-family:var(--font-mono);font-size:.6rem;letter-spacing:.17em;text-transform:uppercase;color:var(--ink-3)}
.nav{margin-left:auto}
.nav-list{display:flex;align-items:center;gap:.1rem;list-style:none;margin:0;padding:0}
.nav-list>li{position:relative}
.nav-link{display:block;padding:.6rem .7rem;font-size:.93rem;font-weight:500;color:var(--ink);white-space:nowrap;border-radius:3px}
.nav-link:hover{color:var(--brand);background:var(--paper-2);text-decoration:none}
.nav-link[aria-current="page"]{color:var(--brand);box-shadow:inset 0 -2px 0 var(--accent)}
.nav-dropdown>.nav-toggle{display:flex;align-items:center;gap:.35rem;background:none;border:0;font-family:var(--font-sans);font-size:.93rem;font-weight:500;color:var(--ink);padding:.6rem .7rem;cursor:pointer;border-radius:3px}
.nav-dropdown>.nav-toggle:hover{color:var(--brand);background:var(--paper-2)}
.nav-toggle svg{width:10px;height:10px;transition:transform .2s ease}
.nav-dropdown.is-open>.nav-toggle svg{transform:rotate(180deg)}
.nav-menu{list-style:none;margin:0;padding:.4rem;position:absolute;top:calc(100% + 6px);left:0;min-width:280px;background:#fff;border:1px solid var(--line);box-shadow:0 18px 44px rgba(16,21,24,.12);opacity:0;visibility:hidden;transform:translateY(-6px);transition:opacity .18s ease,transform .18s ease,visibility .18s}
.nav-dropdown:hover .nav-menu,.nav-dropdown.is-open .nav-menu{opacity:1;visibility:visible;transform:none}
.nav-menu a{display:block;padding:.55rem .7rem;font-size:.92rem;color:var(--ink);border-radius:2px}
.nav-menu a:hover{background:var(--brand-100);color:var(--brand-700);text-decoration:none}
.nav-menu a span{display:block;font-size:.76rem;color:var(--ink-3)}
.hdr-cta{flex:none}
.burger{display:none;margin-left:auto;width:46px;height:46px;background:none;border:1px solid var(--line);border-radius:3px;cursor:pointer;padding:0;position:relative}
.burger i{display:block;position:absolute;left:12px;width:22px;height:2px;background:var(--ink);transition:transform .25s ease,opacity .2s ease}
.burger i:nth-child(1){top:15px}
.burger i:nth-child(2){top:22px}
.burger i:nth-child(3){top:29px}
.burger[aria-expanded="true"] i:nth-child(1){transform:translateY(7px) rotate(45deg)}
.burger[aria-expanded="true"] i:nth-child(2){opacity:0}
.burger[aria-expanded="true"] i:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;padding:.85rem 1.4rem;font-family:var(--font-sans);font-size:.95rem;font-weight:600;border-radius:3px;border:1.5px solid transparent;cursor:pointer;transition:transform .18s ease,background .18s ease,color .18s ease,border-color .18s ease;text-align:center}
.btn:hover{text-decoration:none;transform:translateY(-2px)}
.btn-primary{background:var(--brand);color:#fff;border-color:var(--brand)}
.btn-primary:hover{background:var(--brand-700);border-color:var(--brand-700);color:#fff}
.btn-accent{background:var(--accent);color:#fff;border-color:var(--accent)}
.btn-accent:hover{background:#95401d;border-color:#95401d;color:#fff}
.btn-ghost{background:transparent;color:var(--brand);border-color:var(--line-2)}
.btn-ghost:hover{background:var(--brand);border-color:var(--brand);color:#fff}
.btn-light{background:#fff;color:var(--brand);border-color:#fff}
.btn-light:hover{background:var(--paper-2);color:var(--brand-700)}
.btn-sm{padding:.6rem 1rem;font-size:.87rem}
.section-dark .btn-ghost,.cta-band .btn-ghost,.hero-dark .btn-ghost{color:#fff;border-color:rgba(255,255,255,.42)}
.section-dark .btn-ghost:hover,.cta-band .btn-ghost:hover,.hero-dark .btn-ghost:hover{background:rgba(255,255,255,.12);border-color:rgba(255,255,255,.75);color:#fff}
.section-dark a,.cta-band a{color:#fff}
.btn-row{display:flex;flex-wrap:wrap;gap:.75rem}
.crumbs{border-bottom:1px solid var(--line);background:var(--paper)}
.crumbs ol{display:flex;flex-wrap:wrap;align-items:center;gap:.5rem;list-style:none;margin:0;padding:.7rem 0;font-size:.79rem;color:var(--ink-3);font-family:var(--font-mono)}
.crumbs li+li::before{content:"/";margin-right:.5rem;color:var(--line-2)}
.crumbs a{color:var(--ink-2)}
.crumbs [aria-current]{color:var(--brand)}
.hero{padding:clamp(2.5rem,5vw,4.5rem) 0 clamp(3rem,5vw,5rem);position:relative;overflow:hidden}
.hero::after{content:"";position:absolute;inset:auto -10% -40% 55%;height:70%;background:radial-gradient(ellipse at center,var(--brand-100),transparent 68%);opacity:.85;pointer-events:none}
.hero-grid{display:grid;grid-template-columns:1.08fr .92fr;gap:clamp(2rem,4vw,4rem);align-items:center;position:relative;z-index:1}
.hero h1{margin-top:1.1rem}
.hero h1 em{font-style:italic;color:var(--brand);font-weight:500}
.hero .lead{margin-top:1.4rem;max-width:52ch}
.hero .btn-row{margin-top:2rem}
.badge{display:inline-flex;align-items:center;gap:.5rem;font-family:var(--font-mono);font-size:.7rem;letter-spacing:.13em;text-transform:uppercase;color:var(--brand-700);background:var(--brand-100);border:1px solid #cfe0e2;padding:.4rem .75rem;border-radius:100px}
.badge::before{content:"";width:7px;height:7px;border-radius:50%;background:#12804d;box-shadow:0 0 0 3px rgba(18,128,77,.18)}
.hero-note{margin-top:1.6rem;font-size:.87rem;color:var(--ink-3);display:flex;gap:1.4rem;flex-wrap:wrap}
.stats{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.stat{padding:1.6rem 1.4rem;border-right:1px solid var(--line)}
.stat:last-child{border-right:0}
.stat b{display:block;font-family:var(--font-display);font-size:clamp(1.8rem,3vw,2.5rem);font-weight:600;color:var(--brand);letter-spacing:-.02em;line-height:1;font-variant-numeric:tabular-nums}
.stat span{display:block;margin-top:.5rem;font-size:.86rem;color:var(--ink-2);line-height:1.35}
.grid{display:grid;gap:clamp(1rem,2vw,1.6rem)}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}
.grid-sidebar{grid-template-columns:1.35fr .65fr;gap:clamp(2rem,4vw,3.5rem);align-items:start}
.card{background:#fff;border:1px solid var(--line);border-radius:4px;padding:clamp(1.4rem,2.2vw,2rem);display:flex;flex-direction:column;gap:.75rem;transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease}
.card:hover{transform:translateY(-4px);box-shadow:0 16px 40px rgba(16,21,24,.08);border-color:var(--line-2)}
.card p{color:var(--ink-2);font-size:.97rem}
.card .card-link{margin-top:auto;padding-top:.6rem;font-weight:600;font-size:.92rem;display:inline-flex;gap:.4rem;align-items:center}
.card .card-link::after{content:"→";transition:transform .2s ease}
.card:hover .card-link::after{transform:translateX(4px)}
.card--feature{background:var(--brand);border-color:var(--brand);color:#fff}
.card--feature h3,.card--feature .card-link{color:#fff}
.card--feature p{color:#d3e3e5}
.card--feature .card-link:hover{color:#fff}
.card-ico{width:44px;height:44px;display:flex;align-items:center;justify-content:center;border:1px solid var(--line);border-radius:3px;color:var(--brand);background:var(--paper-2)}
.card--feature .card-ico{border-color:rgba(255,255,255,.3);background:rgba(255,255,255,.1);color:#fff}
.card-ico svg{width:22px;height:22px}
.tag{display:inline-block;font-family:var(--font-mono);font-size:.62rem;letter-spacing:.14em;text-transform:uppercase;color:#fff;background:var(--accent);padding:.25rem .5rem;border-radius:2px;align-self:flex-start}
.feature-list{list-style:none;margin:0;padding:0;display:grid;gap:.9rem}
.feature-list li{display:flex;gap:.8rem;align-items:flex-start;font-size:.98rem;color:var(--ink-2)}
.feature-list li strong{display:block;color:var(--ink)}
.check-list{list-style:none;margin:0;padding:0;display:grid;gap:.7rem}
.check-list li{position:relative;padding-left:1.75rem;color:var(--ink-2)}
.check-list li::before{content:"✓";position:absolute;left:0;top:-1px;color:var(--brand);font-weight:700}
.tldr{background:var(--paper-2);border-left:3px solid var(--accent);padding:1.1rem 1.3rem;margin:1.6rem 0;border-radius:0 4px 4px 0}
.tldr-label{font-family:var(--font-mono);font-weight:600;letter-spacing:.14em;font-size:.68rem;text-transform:uppercase;color:var(--accent);margin-bottom:.5rem}
.tldr ul{margin:0;padding-left:1.15rem}
.tldr li{font-size:.95rem;color:var(--ink-2)}
.tldr li+li{margin-top:.35rem}
.honest-box{border:1px solid var(--line);border-radius:4px;padding:1.4rem 1.5rem;background:#fff}
.honest-box h3{font-size:1.1rem}
.honest-box p{margin-top:.6rem;color:var(--ink-2);font-size:.97rem}
.callout{background:var(--brand-100);border:1px solid #cfe0e2;border-radius:4px;padding:1.3rem 1.5rem}
.callout p{color:#0a4a54}
.table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:4px;background:#fff}
table{width:100%;border-collapse:collapse;font-size:.94rem;min-width:520px}
thead th{background:var(--ink);color:#fff;text-align:left;padding:.85rem 1rem;font-weight:600;font-size:.78rem;letter-spacing:.05em;text-transform:uppercase;font-family:var(--font-mono)}
tbody td,tbody th{padding:.8rem 1rem;border-top:1px solid var(--line);vertical-align:top;color:var(--ink-2)}
tbody th{text-align:left;font-weight:600;color:var(--ink)}
tbody tr:nth-child(odd) td,tbody tr:nth-child(odd) th{background:#fbfaf8}
.vs-table td:nth-child(2){color:var(--brand-700);font-weight:600}
.yes{color:#0f6b41;font-weight:600}
.no{color:#973122;font-weight:600}
.faq{border-top:1px solid var(--line)}
.faq details{border-bottom:1px solid var(--line)}
.faq summary{cursor:pointer;padding:1.15rem 2.5rem 1.15rem 0;font-family:var(--font-display);font-size:1.08rem;font-weight:600;color:var(--ink);position:relative;list-style:none;line-height:1.35}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";position:absolute;right:.3rem;top:1rem;font-family:var(--font-sans);font-size:1.5rem;font-weight:400;color:var(--accent);line-height:1}
.faq details[open] summary::after{content:"–"}
.faq summary:hover{color:var(--brand)}
.faq .faq-a{padding:0 3rem 1.4rem 0;color:var(--ink-2);font-size:.99rem}
.faq .faq-a p+p{margin-top:.8rem}
.zone-pills{display:flex;flex-wrap:wrap;gap:.5rem;list-style:none;margin:0;padding:0}
.chip{display:inline-block;padding:.42rem .8rem;border:1px solid var(--line-2);border-radius:100px;font-size:.85rem;color:var(--ink-2);background:#fff}
.chip strong{font-weight:600;color:var(--ink)}
a.chip:hover{border-color:var(--brand);color:var(--brand);text-decoration:none;background:var(--brand-100)}
.steps{counter-reset:s;display:grid;border-top:1px solid var(--line)}
.step-card{counter-increment:s;display:grid;grid-template-columns:64px 1fr;gap:1.5rem;padding:1.8rem 0;border-bottom:1px solid var(--line);align-items:start}
.step-card::before{content:counter(s,decimal-leading-zero);font-family:var(--font-mono);font-size:.9rem;color:var(--accent);padding-top:.3rem}
.step-card p{color:var(--ink-2);margin-top:.5rem;max-width:62ch}
.ph{margin:0;display:block;background:repeating-linear-gradient(135deg,#f3f0ea 0 10px,#eae6de 10px 20px);border:1px solid var(--line);border-radius:4px;overflow:hidden}
.ph img{display:block;width:100%;height:auto;object-fit:cover}
.ph figcaption{font-family:var(--font-mono);font-size:.66rem;letter-spacing:.09em;text-transform:uppercase;color:var(--ink-3);padding:.6rem .8rem;border-top:1px solid var(--line);background:#fff}
.media-frame{position:relative;z-index:1}
.media-frame::before{content:"";position:absolute;inset:16px -16px -16px 16px;border:1px solid var(--line-2);border-radius:4px;z-index:-1}
.section-dark,.cta-band{background:var(--ink);color:#e9e5dd}
.section-dark h2,.cta-band h2,.section-dark h3,.cta-band h3{color:#fff}
.section-dark p,.cta-band p{color:#bdb7ac}
.section-dark .eyebrow,.cta-band .eyebrow{color:#e0a06f}
.section-dark .eyebrow::before,.cta-band .eyebrow::before{background:#e0a06f}
.cta-band{padding:clamp(3rem,5vw,4.5rem) 0}
.cta-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:clamp(2rem,4vw,3.5rem);align-items:center}
.cta-band .btn-row{margin-top:1.8rem}
.contact-lines{list-style:none;margin:0;padding:0;display:grid;gap:1rem;font-size:.95rem}
.contact-lines li{display:grid;gap:.15rem;padding-bottom:1rem;border-bottom:1px solid rgba(255,255,255,.12)}
.contact-lines b{font-family:var(--font-mono);font-size:.66rem;letter-spacing:.14em;text-transform:uppercase;color:#948f85;font-weight:500}
.contact-lines a{color:#fff;font-size:1.12rem;font-weight:600}
.contact-lines a:hover{color:#f0c9b3}
.contact-lines span{color:#bdb7ac}
.blog-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:2rem}
.blog-card{border:1px solid var(--line);border-radius:4px;overflow:hidden;background:#fff;transition:transform .22s ease,box-shadow .22s ease}
.blog-card:hover{transform:translateY(-4px);box-shadow:0 16px 40px rgba(16,21,24,.09)}
.blog-card a{display:block;color:inherit}
.blog-card a:hover{text-decoration:none}
.blog-card img{display:block;width:100%;height:auto;aspect-ratio:16/9;object-fit:cover;background:repeating-linear-gradient(135deg,#f3f0ea 0 10px,#eae6de 10px 20px)}
.blog-card__body{padding:1.4rem}
.blog-card__category{font-family:var(--font-mono);font-size:.64rem;letter-spacing:.14em;text-transform:uppercase;color:var(--accent)}
.blog-card__title{font-size:1.22rem;margin-top:.6rem;font-family:var(--font-display);font-weight:600;line-height:1.25;color:var(--ink)}
.blog-card__excerpt{margin-top:.6rem;color:var(--ink-2);font-size:.95rem}
.blog-card__meta{margin-top:1rem;display:flex;gap:1rem;font-size:.8rem;color:var(--ink-3);font-family:var(--font-mono)}
.skeleton{border:1px solid var(--line);border-radius:4px;overflow:hidden;background:#fff}
.skeleton__img{aspect-ratio:16/9;background:var(--paper-3);animation:pulse 1.5s ease-in-out infinite}
.skeleton__body{padding:1.4rem;display:grid;gap:.7rem}
.skeleton__line{height:12px;background:var(--paper-3);border-radius:2px;animation:pulse 1.5s ease-in-out infinite}
.skeleton__line--sm{width:40%}
.skeleton__line--lg{height:20px;width:85%}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.45}}
.blog-empty{padding:3rem 0;text-align:center;color:var(--ink-2)}
.article-head{padding:clamp(2rem,4vw,3.5rem) 0 0}
.article-meta{display:flex;gap:1.2rem;flex-wrap:wrap;font-family:var(--font-mono);font-size:.78rem;color:var(--ink-3);margin-top:1.2rem}
.article-body{padding:clamp(2rem,4vw,3.5rem) 0}
.article-body .prose{margin-inline:auto}
.toc{border:1px solid var(--line);border-radius:4px;padding:1.3rem 1.5rem;background:var(--paper-2)}
.toc p{font-family:var(--font-mono);font-size:.68rem;letter-spacing:.14em;text-transform:uppercase;color:var(--ink-3);margin-bottom:.7rem}
.toc ol{margin:0;padding-left:1.2rem}
.toc li+li{margin-top:.3rem}
.updated{padding:1.6rem 0 2.4rem;font-family:var(--font-mono);font-size:.76rem;color:var(--ink-3);border-top:1px solid var(--line)}
.ftr{background:linear-gradient(180deg,var(--dark),#080d0f);color:#b8b2a6}
.ftr::before{content:"";display:block;height:3px;background:linear-gradient(90deg,var(--brand),#2b8b96 38%,var(--accent) 72%,#e0a06f)}
.ftr-grid{display:grid;grid-template-columns:1.5fr 1fr 1.1fr 1.05fr;gap:clamp(1.8rem,3vw,3rem);padding:clamp(2.8rem,5vw,4.2rem) 0 2.6rem}
.ftr-brand .logo-txt b{color:#fff}
.ftr-brand .logo-txt small{color:#948f85}
.ftr-brand p{margin-top:1rem;font-size:.92rem;color:#9d978f;max-width:36ch}
.ftr-col h3{font-family:var(--font-mono);font-size:.7rem;letter-spacing:.16em;text-transform:uppercase;color:#fff;font-weight:600;margin-bottom:1rem}
.ftr-col ul{list-style:none;margin:0;padding:0;display:grid;gap:.55rem}
.ftr-col a{color:#b8b2a6;font-size:.92rem}
.ftr-col a:hover{color:#fff;text-decoration:none}
.ftr-col li{font-size:.92rem;color:#9d978f}
.ftr-col li b{color:#fff;font-weight:600}
.ftr-bottom{border-top:1px solid rgba(255,255,255,.1);padding:1.3rem 0;display:flex;flex-wrap:wrap;gap:1rem;align-items:center;justify-content:space-between;font-size:.83rem;color:#948f85}
.ftr-bottom nav{display:flex;gap:1.2rem;flex-wrap:wrap}
.ftr-bottom a{color:#948f85}
.ftr-bottom a:hover{color:#fff;text-decoration:none}
.soc{display:flex;gap:.5rem}
.soc a{width:36px;height:36px;display:flex;align-items:center;justify-content:center;border:1px solid rgba(255,255,255,.16);border-radius:3px;color:#b8b2a6}
.soc a:hover{background:var(--brand);border-color:var(--brand);color:#fff}
.soc svg{width:17px;height:17px}
.calc{border:1px solid var(--line);border-radius:4px;background:#fff;padding:clamp(1.5rem,2.5vw,2.2rem);display:grid;gap:1.3rem}
.calc label{display:block;font-size:.88rem;font-weight:600;color:var(--ink);margin-bottom:.5rem}
.calc select{width:100%;padding:.7rem .8rem;border:1px solid var(--line-2);border-radius:3px;font-family:var(--font-sans);font-size:.95rem;background:#fff;color:var(--ink)}
.calc input[type=range]{width:100%;accent-color:var(--brand)}
.calc-out{background:var(--ink);color:#fff;border-radius:4px;padding:1.5rem;text-align:center}
.calc-out b{display:block;font-family:var(--font-display);font-size:clamp(2.1rem,4vw,2.9rem);color:#fff;font-variant-numeric:tabular-nums;line-height:1}
.calc-out span{display:block;font-family:var(--font-mono);font-size:.68rem;letter-spacing:.14em;text-transform:uppercase;color:#948f85;margin-bottom:.6rem}
.calc-out p{color:#bdb7ac;font-size:.86rem;margin-top:.7rem}
.calc-val{font-family:var(--font-mono);color:var(--brand);font-weight:600}
.js [data-reveal]{opacity:0;transform:translateY(16px);transition:opacity .7s cubic-bezier(.22,.61,.36,1),transform .7s cubic-bezier(.22,.61,.36,1)}
[data-reveal].is-in{opacity:1;transform:none}
@media (max-width:1024px){
  .burger{display:block}
  .hdr-cta{display:none}
  .nav{position:fixed;left:0;right:0;top:calc(var(--header-h) + 38px);background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line);max-height:0;overflow:hidden;transition:max-height .3s ease;margin-left:0}
  .nav.is-open{max-height:calc(100vh - var(--header-h) - 38px);overflow-y:auto;box-shadow:0 24px 40px rgba(16,21,24,.12)}
  .nav-list{flex-direction:column;align-items:stretch;gap:0;padding:.5rem clamp(1.15rem,4vw,2.5rem) 1.5rem}
  .nav-link,.nav-dropdown>.nav-toggle{width:100%;padding:.9rem .2rem;font-size:1.02rem;border-bottom:1px solid var(--line)}
  .nav-dropdown>.nav-toggle{justify-content:space-between}
  .nav-menu{position:static;min-width:0;border:0;box-shadow:none;opacity:1;visibility:visible;transform:none;max-height:0;overflow:hidden;padding:0;transition:max-height .28s ease}
  .nav-dropdown:hover .nav-menu{max-height:0}
  .nav-dropdown.is-open .nav-menu{max-height:560px;padding:.3rem 0 .6rem .8rem}
  .nav-menu a{padding:.6rem .3rem}
  .hero-grid,.cta-grid,.grid-sidebar{grid-template-columns:1fr}
  .grid-4{grid-template-columns:repeat(2,1fr)}
  .ftr-grid{grid-template-columns:1fr 1fr}
  .media-frame::before{display:none}
}
@media (max-width:760px){
  body{font-size:16px}
  .grid-2,.grid-3,.grid-4{grid-template-columns:1fr}
  .stats{grid-template-columns:1fr 1fr}
  .stat:nth-child(2){border-right:0}
  .stat:nth-child(1),.stat:nth-child(2){border-bottom:1px solid var(--line)}
  .ftr-grid{grid-template-columns:1fr}
  .step-card{grid-template-columns:1fr;gap:.4rem}
  .step-card::before{padding-top:0}
  .btn{width:100%}
  .btn-row{flex-direction:column}
  .topbar .container{justify-content:center;text-align:center}
  .blog-grid{grid-template-columns:1fr}
  .faq .faq-a{padding-right:.5rem}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation-duration:.001ms!important;animation-iteration-count:1!important;transition-duration:.001ms!important}
  [data-reveal]{opacity:1;transform:none}
}
@media print{.hdr,.ftr,.cta-band,.burger{display:none}body{font-size:12pt}}