/* Roof Pros — stylesheet */
:root{
  --slate:#263544;--slate-2:#34495e;--tile:#c4552f;--tile-d:#a2421f;--sky:#8fb8d6;--sky-l:#e6f0f7;
  --rain:#f2f5f7;--ink:#1d2731;--muted:#5e6b78;--line:#dde3e9;--white:#fff;--sun:#f4b942;
  --head:"Archivo",system-ui,sans-serif;--sans:"Lato",system-ui,-apple-system,"Segoe UI",sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:var(--sans);color:var(--ink);background:var(--white);line-height:1.72;font-size:16.5px}
a{color:var(--slate-2)}
a:hover{color:var(--tile)}
h1,h2,h3{font-family:var(--head);font-weight:800;line-height:1.12;margin:0 0 .5em;letter-spacing:-.01em}
h1{font-size:clamp(2.2rem,4.8vw,3.6rem)}
h1 span{color:var(--sky)}
h2{font-size:clamp(1.6rem,2.8vw,2.3rem)}
h3{font-size:1.15rem}
.wrap{width:min(1180px,100% - 32px);margin-inline:auto}
.narrow{max-width:900px}
.skip{position:absolute;left:-999px}.skip:focus{left:16px;top:16px;background:#fff;padding:8px 12px;z-index:99}
.small{font-size:.87rem;color:var(--muted)}
.eyebrow{font-family:var(--head);font-weight:700;font-size:.78rem;letter-spacing:.14em;text-transform:uppercase;color:var(--tile);margin:0 0 .5em}
.sub{color:var(--muted)}
.label{display:inline-block;background:var(--sky-l);color:var(--slate);font-weight:900;font-size:.8rem;padding:.35em .9em;border-radius:4px;margin:0 0 16px}
.label.light{background:rgba(255,255,255,.12);color:#fff}
.btn{display:inline-block;background:var(--tile);color:#fff;font-family:var(--head);font-weight:800;padding:.8em 1.5em;border-radius:6px;text-decoration:none;border:0;cursor:pointer;font-size:1rem;transition:.2s}
.btn:hover{background:var(--tile-d);color:#fff}
.btn.ghost{background:transparent;color:#fff;box-shadow:inset 0 0 0 2px rgba(255,255,255,.55)}
.btn.ghost:hover{background:#fff;color:var(--slate)}
.btn.light{background:#fff;color:var(--tile)}
.btn.light:hover{background:var(--sun);color:var(--ink)}
.tiles{height:18px;background:radial-gradient(circle at 12px 0,var(--tile) 11px,var(--tile-d) 12px,transparent 12.5px) 0 0/24px 18px;background-color:transparent}

/* header */
.topbar{background:var(--slate);color:#c9d4de;font-size:.82rem}
.topbar .wrap{display:flex;gap:18px;flex-wrap:wrap;justify-content:space-between;padding:6px 0}
.topbar a{color:var(--sun);font-weight:900;text-decoration:none}
.site-header{position:sticky;top:0;z-index:50;background:var(--white);border-bottom:3px solid var(--tile)}
.nav{display:flex;align-items:center;justify-content:space-between;padding:12px 0}
.brand{display:flex;gap:10px;align-items:center;text-decoration:none;color:var(--slate)}
.brand strong{display:block;font-family:var(--head);font-weight:900;font-size:1.5rem;letter-spacing:.04em;line-height:1}
.brand strong b{color:var(--tile);margin-left:4px}
.brand small{display:block;color:var(--muted);font-size:.72rem}
.brand.light strong{color:#fff}.brand.light small{color:#a9b8c6}
.menu{display:flex;gap:20px;align-items:center}
.menu a{text-decoration:none;color:var(--ink);font-weight:700;font-size:.93rem}
.menu a:hover{color:var(--tile)}
.menu .cta{background:var(--slate);color:#fff;padding:.5em 1em;border-radius:6px}
.menu .cta:hover{background:var(--tile);color:#fff}
.burger{display:none;font-size:1.6rem;cursor:pointer}

/* hero */
.hero{background:linear-gradient(160deg,var(--slate),#18222c);color:#fff;padding:70px 0 80px;position:relative;overflow:hidden}
.rain{position:absolute;inset:0;pointer-events:none}
.rain i{position:absolute;top:-20%;width:2px;height:60px;background:linear-gradient(transparent,rgba(143,184,214,.55));animation:fall linear infinite}
@keyframes fall{to{transform:translateY(160vh)}}
@media (prefers-reduced-motion:reduce){.rain i{animation:none;display:none}}
.hero-grid{display:grid;grid-template-columns:1.25fr 1fr;gap:48px;align-items:center;position:relative;z-index:1}
.hero h1{color:#fff}
.lead{font-size:1.08rem;color:#c9d4de}
.actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:24px}
.roof-art svg{width:100%;max-width:420px;display:block;margin:auto;filter:drop-shadow(0 18px 30px rgba(0,0,0,.35))}

/* sections */
.section{padding:76px 0}
.grey{background:var(--rain)}
.two{display:grid;grid-template-columns:1fr 1fr;gap:52px;align-items:start}
.area{background:var(--sky-l);border-radius:12px;padding:26px;border-top:6px solid var(--tile)}
.area ul{display:flex;flex-wrap:wrap;gap:8px;list-style:none;padding:0;margin:0 0 12px}
.area li{background:var(--white);border-radius:999px;padding:.25em .9em;font-weight:900;font-size:.9rem;color:var(--slate)}
.svcs{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:24px}
.svc{background:var(--white);border-radius:12px;padding:24px;border-bottom:4px solid var(--tile);box-shadow:0 8px 20px rgba(38,53,68,.06);transition:.2s}
.svc:hover{transform:translateY(-4px)}
.svc span{font-size:2rem}
.svc p{color:var(--muted);font-size:.93rem;margin:0}
.signs{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin:24px 0 14px}
.sign{border:1px solid var(--line);border-radius:12px;padding:20px;position:relative;padding-left:56px}
.sign::before{content:"!";position:absolute;left:18px;top:18px;width:26px;height:26px;border-radius:50%;background:var(--tile);color:#fff;display:grid;place-items:center;font-family:var(--head);font-weight:900}
.sign p{color:var(--muted);font-size:.92rem;margin:0}
.process{list-style:none;counter-reset:p;margin:24px 0 0;padding:0;display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.process li{counter-increment:p;background:var(--white);border-radius:12px;padding:22px;position:relative}
.process li::before{content:counter(p);display:grid;place-items:center;width:38px;height:38px;border-radius:8px;background:var(--slate);color:#fff;font-family:var(--head);font-weight:900;margin-bottom:10px}
.process h3{margin:0 0 .3em}
.process p{margin:0;color:var(--muted);font-size:.93rem}
.tool{background:var(--white);border:2px solid var(--slate);border-radius:14px;padding:26px}
.fields{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin:12px 0 16px}
.fields label{display:grid;gap:4px;font-size:.84rem;font-weight:700}
.fields label.wide{grid-column:1/-1}
.fields input{font:inherit;padding:.55em .8em;border:1px solid var(--line);border-radius:6px;background:var(--rain)}
.fields input:focus{outline:2px solid var(--tile)}
.res{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin:16px 0 10px}
.res div{background:var(--sky-l);border-radius:8px;padding:12px 14px}
.res div.wide{grid-column:1/-1}
.res span{display:block;font-size:.76rem;color:var(--muted)}
.res b{font-family:var(--head);font-size:1.25rem;color:var(--slate)}

/* tones */
.r-0{background:linear-gradient(135deg,#c4552f,#de7a4f)}.r-1{background:linear-gradient(135deg,#263544,#3e5872)}
.r-2{background:linear-gradient(135deg,#8fb8d6,#5f93bb)}.r-3{background:linear-gradient(135deg,#6b8f71,#88ab8d)}.r-4{background:linear-gradient(135deg,#f4b942,#e39a2e)}

/* cards */
.filters{display:flex;flex-wrap:wrap;gap:8px;margin:24px 0}
.chip{border:1px solid var(--line);background:var(--white);border-radius:6px;padding:.4em 1em;font:inherit;font-weight:700;font-size:.88rem;cursor:pointer;color:var(--ink)}
.chip.on,.chip:hover{background:var(--slate);border-color:var(--slate);color:#fff}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:24px}
.card{background:var(--white);border-radius:12px;overflow:hidden;display:flex;flex-direction:column;transition:.2s;box-shadow:0 6px 18px rgba(38,53,68,.06)}
.card:hover{transform:translateY(-4px);box-shadow:0 16px 30px rgba(38,53,68,.14)}
.thumb{display:grid;place-items:center;aspect-ratio:16/8;text-decoration:none;position:relative}
.thumb::after{content:"";position:absolute;left:0;right:0;top:0;height:12px;background:radial-gradient(circle at 8px 0,rgba(255,255,255,.35) 7px,transparent 7.5px) 0 0/16px 12px}
.thumb span{font-size:2.8rem}
.card-body{padding:18px 20px 22px;display:flex;flex-direction:column;flex:1}
.card-body .meta{display:flex;justify-content:space-between;gap:8px;font-size:.76rem;color:var(--muted);margin:0 0 8px}
.card-body .cat{font-weight:900;color:var(--tile)}
.card-body h3 a{color:var(--ink);text-decoration:none}
.card-body h3 a:hover{color:var(--tile)}
.card-body p{color:var(--muted);font-size:.9rem;margin:0 0 14px}
.more{margin-top:auto;font-weight:900;text-decoration:none}

/* glossary / faq / partners / cta */
.gloss{margin:16px 0 0;display:grid;grid-template-columns:1fr 1fr;gap:10px}
.gloss div{background:var(--rain);border-radius:8px;padding:12px 14px;border-left:4px solid var(--sky)}
.gloss dt{font-family:var(--head);font-weight:800;color:var(--slate)}
.gloss dd{margin:.2em 0 0;font-size:.88rem;color:var(--muted)}
.faq{display:grid;gap:10px;margin-top:16px}
details{background:var(--white);border:1px solid var(--line);border-radius:8px;padding:14px 18px}
details[open]{border-color:var(--tile)}
summary{font-weight:900;cursor:pointer}
details p{color:var(--muted);margin:.5em 0 0}
.partners{padding-top:0}
.plist{display:flex;flex-wrap:wrap;gap:8px}
.plist a{background:var(--rain);border-radius:6px;padding:.3em .85em;font-size:.84rem;text-decoration:none;color:var(--ink)}
.plist a:hover{background:var(--slate);color:#fff}
.cta-band{background:var(--tile);color:#fff;border-radius:16px;padding:40px;display:flex;justify-content:space-between;align-items:center;gap:24px;flex-wrap:wrap;margin-bottom:76px}
.cta-band h2{color:#fff}
.cta-band p{margin:0;color:#ffe2d6}

/* article */
.post-hero{background:linear-gradient(160deg,var(--slate),#18222c);color:#fff;padding:44px 0 0}
.post-hero .narrow{padding-bottom:40px}
.post-hero h1{font-size:clamp(1.8rem,3.8vw,2.7rem);color:#fff}
.post-hero .label{background:rgba(255,255,255,.12);color:#fff}
.crumbs{font-size:.86rem;color:#a9b8c6;margin-bottom:14px}
.crumbs a{color:#fff;text-decoration:none}
.byline{color:#c9d4de;margin:0}
.byline strong{color:var(--sun)}
.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:52px;padding:44px 0 24px}
.post .lead{font-size:1.16rem;font-weight:700;color:var(--slate-2)}
.post h2{margin-top:1.6em;font-size:1.55rem;display:flex;gap:12px;align-items:center}
.post h2 span{flex:0 0 36px;height:36px;border-radius:8px;background:var(--tile);color:#fff;display:grid;place-items:center;font-size:1rem}
.post p{font-size:1.04rem}
.toc{background:var(--sky-l);border-radius:10px;padding:16px 22px;margin:24px 0}
.toc ol{margin:.4em 0 0;padding-left:1.2em}
.readalso{background:var(--slate);border-radius:10px;padding:16px 20px;margin:28px 0}
.readalso span{display:block;font-size:.76rem;font-weight:900;letter-spacing:.12em;text-transform:uppercase;color:var(--sky)}
.readalso a{font-family:var(--head);font-size:1.18rem;font-weight:800;color:#fff;text-decoration:none}
.readalso a:hover{color:var(--sun)}
.note{background:#fff5ec;border-left:5px solid var(--tile);border-radius:0 10px 10px 0;padding:14px 18px;margin:30px 0 14px}
.source{border:1px dashed var(--slate-2);border-radius:10px;padding:14px 18px;margin:14px 0}
.tags{display:flex;flex-wrap:wrap;gap:6px;margin:14px 0}
.tag{background:var(--rain);border-radius:4px;padding:.2em .7em;font-size:.82rem;color:var(--muted)}
.share{display:flex;gap:8px;flex-wrap:wrap;align-items:center;font-weight:900;margin:16px 0}
.share a{border:1px solid var(--line);border-radius:6px;padding:.2em .9em;text-decoration:none;font-size:.86rem}
.share a:hover{background:var(--slate);color:#fff}
.author-box{display:flex;gap:16px;align-items:flex-start;background:var(--rain);border-radius:12px;padding:20px;margin:22px 0}
.author-box p{margin:.3em 0 0;color:var(--muted);font-size:.92rem}
.av{flex:0 0 54px;height:54px;border-radius:10px;background:var(--slate);color:var(--sky);display:grid;place-items:center;font-family:var(--head);font-size:1.5rem;font-weight:900}
.postnav{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-weight:900}
.postnav a{text-decoration:none}
.sidebar{display:flex;flex-direction:column;gap:22px}
.box{border:1px solid var(--line);border-radius:12px;padding:22px;background:var(--white)}
.box.slate{background:var(--slate);color:#c9d4de;border:0}
.box.slate h3{color:#fff}
.sidebar .box:last-child{position:sticky;top:90px}
.side-list{list-style:none;padding:0;margin:0}
.side-list a{display:block;padding:11px 0;border-bottom:1px solid var(--line);text-decoration:none;color:var(--ink);font-weight:700;font-size:.93rem;line-height:1.35}
.side-list em{display:block;font-style:normal;font-size:.7rem;font-weight:900;letter-spacing:.08em;text-transform:uppercase;color:var(--tile)}
.side-list a:hover{color:var(--tile)}
.related{padding:20px 0 76px}

/* footer */
.site-footer{background:var(--slate);color:#a9b8c6;font-size:.92rem;padding:0 0 26px}
.site-footer .tiles{background-color:var(--white)}
.site-footer a{color:#fff}
.site-footer a:hover{color:var(--sun)}
.site-footer h3{color:var(--sun);font-size:1.05rem}
.fgrid{display:grid;grid-template-columns:1.3fr 1.2fr .9fr 1.3fr;gap:36px;padding-top:40px}
address{font-style:normal}
.site-footer .small{color:#8fa1b3}
.social{display:flex;flex-wrap:wrap;gap:8px}
.social a{border:1px solid #42596f;border-radius:6px;padding:.2em .8em;text-decoration:none;font-size:.85rem}
.flist{padding-left:1.1em;margin:0}.flist li{margin-bottom:7px}
.policy{margin-top:30px;background:rgba(0,0,0,.18);border-radius:10px;padding:14px 18px;font-size:.85rem;color:#c9d4de}
.fbottom{border-top:1px solid #3b5166;margin-top:24px;padding-top:18px;text-align:center}
.fbottom p{margin:.3em 0}

/* responsive */
@media (max-width:1000px){
  .hero-grid,.two,.article-layout{grid-template-columns:1fr}
  .svcs,.signs,.process{grid-template-columns:repeat(2,1fr)}
  .fgrid{grid-template-columns:1fr 1fr}
  .sidebar .box:last-child{position:static}
}
@media (max-width:720px){
  .burger{display:block}
  .menu{display:none;position:absolute;left:0;right:0;top:100%;background:var(--white);flex-direction:column;align-items:flex-start;padding:16px;border-bottom:1px solid var(--line)}
  #menu:checked~.menu{display:flex}
  .svcs,.signs,.process,.fields,.res,.gloss,.fgrid{grid-template-columns:1fr}
  .section{padding:54px 0}
  .tool,.cta-band{padding:22px}
}