/* =========================================================
   Winnova — site.css
   Organizado por componentes. Mobile-first.
   ========================================================= */

:root{
  --bg:#f3f4ef;--paper:#fbfbf8;--ink:#0a0d10;--muted:#5d6763;--line:rgba(10,13,16,.12);
  --dark:#090c0f;--dark2:#11161a;--light:#f8faf7;
  --accent:#5c01f6;--accent-hover:#4b00cf;--accent-on-dark:#a98bff;--accent-soft:#eee8ff;
  --radius:28px;--shadow:0 24px 80px rgba(3,8,11,.12);
  --shell:min(1180px,calc(100vw - 32px));
  --header-offset:96px;
}

/* ---------- Base ---------- */
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;text-size-adjust:100%}
body{margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;background:var(--bg);color:var(--ink);-webkit-font-smoothing:antialiased;line-height:1.5}
button,input,select,textarea{font:inherit;color:inherit}
button,a{transition:color .2s ease,background-color .2s ease,border-color .2s ease,transform .2s ease,box-shadow .2s ease}
a{color:inherit;text-decoration:none}
img,video{max-width:100%;display:block}
button{cursor:pointer}
h1,h2,h3{text-wrap:balance}
p{text-wrap:pretty}
[id]{scroll-margin-top:var(--header-offset)}
.muted{color:var(--muted)}
.visually-hidden{position:absolute!important;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}
:focus-visible{outline:3px solid var(--accent);outline-offset:3px}
[tabindex="-1"]:focus{outline:none}
.section-dark :focus-visible,.site-header :focus-visible,.hero-home :focus-visible,.page-hero :focus-visible,.article-hero :focus-visible,.lead-section :focus-visible,.site-footer :focus-visible,.mobile-menu :focus-visible{outline-color:var(--accent-on-dark)}
.skip-link{position:fixed;z-index:200;left:16px;top:-80px;background:#fff;color:var(--ink);padding:12px 16px;border-radius:12px;font-weight:800;box-shadow:var(--shadow)}
.skip-link:focus{top:16px}

/* ---------- Header ---------- */
.site-header{position:fixed;z-index:80;top:14px;left:50%;transform:translateX(-50%);width:var(--shell);height:68px;padding:0 12px 0 18px;border:1px solid rgba(255,255,255,.14);border-radius:18px;background:rgba(8,11,14,.86);-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);display:flex;align-items:center;gap:26px;color:#fff;box-shadow:0 12px 50px rgba(0,0,0,.12)}
.brand{display:flex;align-items:center;margin-right:auto;min-height:44px}
.brand img{width:132px;height:auto}
.desktop-nav{display:none;gap:26px;font-size:14px;color:rgba(255,255,255,.78)}
.desktop-nav a{padding:8px 0}
.desktop-nav a:hover,.desktop-nav a[aria-current="page"]{color:#fff}
.desktop-nav a[aria-current="page"]{box-shadow:inset 0 -2px 0 var(--accent-on-dark)}
.header-cta{display:none;border:0;border-radius:12px;background:#fff;color:#090c0f;padding:12px 16px;font-weight:750}
.header-cta:hover{background:#ece6ff}
.menu-button{width:44px;height:44px;border:0;border-radius:12px;background:rgba(255,255,255,.1);display:grid;place-content:center;gap:6px}
.menu-button span{display:block;width:19px;height:2px;background:#fff;transition:transform .2s ease}
.menu-button[aria-expanded="true"] span:first-child{transform:translateY(4px) rotate(45deg)}
.menu-button[aria-expanded="true"] span:last-child{transform:translateY(-4px) rotate(-45deg)}
.mobile-menu{position:fixed;z-index:75;top:92px;left:16px;right:16px;padding:12px 24px 24px;border-radius:20px;background:#0b0f12;color:#fff;display:flex;flex-direction:column;box-shadow:var(--shadow);max-height:calc(100svh - 110px);overflow:auto}
.mobile-menu[hidden]{display:none}
.mobile-menu a{font-size:20px;font-weight:700;padding:12px 0;border-bottom:1px solid rgba(255,255,255,.08)}
.mobile-menu a[aria-current="page"]{color:var(--accent-on-dark)}
.mobile-menu .btn{margin-top:18px}

/* ---------- Buttons & links ---------- */
.btn{border:0;border-radius:13px;min-height:48px;padding:13px 20px;font-weight:800;display:inline-flex;align-items:center;justify-content:center;gap:8px;text-align:center;line-height:1.2}
.btn-accent{background:var(--accent);color:#fff}
.btn-accent:hover{background:var(--accent-hover);box-shadow:0 14px 34px rgba(92,1,246,.25)}
.btn-dark{background:#0b1013;color:#fff}
.btn-dark:hover{background:#23292d}
.btn-light{background:#fff;color:#0b1013}
.btn-light:hover{background:#ece6ff}
.btn-ghost{background:transparent;border:1px solid rgba(255,255,255,.3);color:#fff}
.btn-ghost:hover{border-color:#fff;background:rgba(255,255,255,.06)}
.btn-outline{background:transparent;border:1px solid rgba(10,13,16,.2);color:var(--ink)}
.btn-outline:hover{border-color:var(--ink)}
.btn-full{width:100%}
.text-link{font-size:14px;font-weight:750;color:rgba(255,255,255,.88);display:inline-flex;align-items:center;min-height:44px}
.text-link:hover{color:#fff}
.dark-link{color:var(--ink)}
.dark-link:hover{color:var(--accent)}

/* ---------- Sections ---------- */
.eyebrow{margin:0 0 14px;text-transform:uppercase;letter-spacing:.16em;font-size:11px;font-weight:850;color:#3f4a45}
.eyebrow-light{color:rgba(255,255,255,.66)}
.section{width:var(--shell);margin:0 auto;padding:72px 0}
.section-dark{background:var(--dark);color:#fff}
.section-head{display:grid;gap:14px;margin-bottom:32px}
.section-head h2{margin:0;font-size:clamp(32px,5vw,60px);letter-spacing:-.045em;line-height:1;max-width:800px}
.section-support{margin:12px 0 0;color:var(--muted);line-height:1.6;max-width:560px}

/* ---------- Home hero ---------- */
.hero-home{min-height:100svh;position:relative;overflow:hidden;background:radial-gradient(circle at 77% 22%,#211633 0,transparent 30%),linear-gradient(145deg,#080b0e,#111719 55%,#090c0f);color:#fff;padding:124px 16px 30px;display:flex;flex-direction:column}
.hero-noise{position:absolute;inset:0;opacity:.16;pointer-events:none;background-image:url("data:image/svg+xml,%3Csvg viewBox='0 0 180 180' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.12'/%3E%3C/svg%3E")}
.hero-glow{position:absolute;width:470px;height:470px;border-radius:50%;background:rgba(92,1,246,.12);filter:blur(100px);right:-220px;top:80px;pointer-events:none}
.hero-content{position:relative;z-index:2;width:var(--shell);margin:0 auto}
.hero-content h1{font-size:clamp(38px,10.4vw,86px);line-height:.96;letter-spacing:-.05em;max-width:980px;margin:0}
.hero-lead{max-width:620px;font-size:17px;line-height:1.6;color:rgba(255,255,255,.74);margin:22px 0 26px}
.hero-actions{display:flex;gap:10px;flex-wrap:wrap}
.hero-actions .btn{flex:1 1 auto}
.hero-products{position:relative;height:250px;width:var(--shell);margin:36px auto 0;z-index:1}
.hero-product{position:absolute;border:1px solid rgba(255,255,255,.12);background:rgba(255,255,255,.05);border-radius:22px;overflow:hidden;box-shadow:0 26px 70px rgba(0,0,0,.25)}
.hero-product img{width:100%;height:100%;object-fit:cover}
.hp-1{width:48%;height:190px;left:0;top:30px;transform:rotate(-5deg)}
.hp-2{width:46%;height:210px;left:27%;top:0;z-index:3;transform:rotate(2deg)}
.hp-3{width:42%;height:180px;right:0;top:42px;transform:rotate(7deg)}
.hero-brands{position:relative;z-index:2;width:var(--shell);margin:auto auto 0;padding-top:24px;display:flex;gap:8px;flex-wrap:wrap;align-items:center}
.hero-brands>span{font-size:11px;text-transform:uppercase;letter-spacing:.1em;color:rgba(255,255,255,.6);margin-right:4px}
.hero-brands a{border:1px solid rgba(255,255,255,.18);color:rgba(255,255,255,.82);border-radius:999px;padding:8px 13px;font-size:12px;font-weight:700;letter-spacing:.02em;min-height:36px;display:inline-flex;align-items:center}
.hero-brands a:hover{border-color:#fff;color:#fff}

/* ---------- Pillars ---------- */
.current-pillars{padding-top:40px;padding-bottom:8px}
.pillar-grid{display:grid;gap:0}
.pillar-grid a{display:grid;gap:6px;border-top:1px solid var(--line);padding:22px 0}
.pillar-grid a>span{font-size:11px;letter-spacing:.12em;color:var(--accent);font-weight:850}
.pillar-grid h3{font-size:clamp(26px,3.4vw,40px);letter-spacing:-.04em;line-height:1.05;margin:2px 0 0}
.pillar-grid p{margin:0;color:var(--muted);line-height:1.55}
.pillar-grid b{margin-top:8px;font-size:13px;color:var(--ink)}
.pillar-grid a:hover b{color:var(--accent)}

/* ---------- Product cards (home + catálogo) ---------- */
.catalog-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}
.catalog-product{background:#fff;border:1px solid rgba(10,13,16,.07);border-radius:18px;overflow:hidden;min-width:0}
.catalog-product>a{display:flex;flex-direction:column;height:100%}
.catalog-product-media{position:relative;aspect-ratio:1/1;background:#f4f4f1;overflow:hidden}
.catalog-product-media img{position:absolute;inset:0;width:100%;height:100%;object-fit:contain;padding:10px;transition:opacity .3s ease,transform .45s ease}
.catalog-product-hover{z-index:1}
.catalog-product-main{z-index:2}
.catalog-product-copy{padding:14px;display:flex;flex-direction:column;flex:1}
.catalog-product-copy span{font-size:10px;text-transform:uppercase;letter-spacing:.1em;font-weight:850;color:var(--muted)}
.catalog-product-copy h2,.catalog-product-copy h3{font-size:17px;letter-spacing:-.025em;line-height:1.15;margin:7px 0 14px}
.catalog-product-copy b{margin-top:auto;font-size:11px;text-transform:uppercase;letter-spacing:.06em}
.catalog-product-copy b i{font-style:normal;color:var(--accent)}
.catalog-product.is-hidden,.catalog-product.is-page-hidden{display:none}
.catalog-home-cta{display:flex;justify-content:center;margin-top:28px}
@media (hover:hover){
  .catalog-product:hover{border-color:rgba(10,13,16,.16)}
  .catalog-product:hover .catalog-product-media img{transform:scale(1.02)}
  .catalog-product:hover .catalog-product-main:not(:only-child){opacity:0}
  .catalog-product:hover .catalog-product-copy b{color:var(--accent)}
}

/* ---------- Video rail (home) ---------- */
.video-section{padding:72px max(16px,calc((100vw - 1180px)/2));overflow:hidden}
.video-section .section-head{width:100%;margin:0 0 28px}
.video-rail{display:grid;grid-auto-flow:column;grid-auto-columns:minmax(200px,62vw);overflow-x:auto;gap:12px;padding-bottom:6px;scroll-snap-type:x mandatory;scrollbar-width:none;overscroll-behavior-x:contain}
.video-rail::-webkit-scrollbar{display:none}
.rail-controls{display:flex;gap:8px;margin-top:18px}
.rail-controls button{width:44px;height:44px;border-radius:50%;border:1px solid rgba(255,255,255,.25);background:transparent;color:#fff;font-size:18px;display:grid;place-items:center}
.rail-controls button:hover:not(:disabled){border-color:#fff}
.rail-controls button:disabled{opacity:.35;cursor:default}
.video-card{position:relative;scroll-snap-align:start;border:0;background:transparent;color:inherit;text-align:left;padding:0;display:block;width:100%}
.video-poster{display:block;aspect-ratio:9/16;border-radius:20px;overflow:hidden;position:relative;background:#15191b}
.video-poster img{width:100%;height:100%;object-fit:cover;transition:transform .45s ease}
.play{position:absolute;left:14px;bottom:14px;width:48px;height:48px;border-radius:50%;display:grid;place-items:center;background:#fff;color:#0a0d10;font-size:13px;box-shadow:0 10px 30px rgba(0,0,0,.18)}
.video-meta{display:block;margin:12px 0 3px;color:rgba(255,255,255,.62);font-size:11px;text-transform:uppercase;letter-spacing:.1em}
.video-title{display:block;font-size:17px;font-weight:800;line-height:1.25}
.video-library .video-card{color:var(--ink)}
.video-library .video-meta{color:var(--muted)}
@media (hover:hover){.video-card:hover .video-poster img{transform:scale(1.03)}}

/* ---------- Proof ---------- */
.testimonial-videos{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;margin-bottom:28px}
.proof-video{border:0;padding:0;border-radius:20px;overflow:hidden;position:relative;aspect-ratio:9/14;background:#ddd;text-align:left;display:block;width:100%}
.proof-video img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.proof-video:after{content:"";position:absolute;inset:0;background:linear-gradient(0deg,rgba(0,0,0,.65),transparent 50%)}
.proof-video .play{z-index:2;left:14px;bottom:52px}
.proof-video b{position:absolute;z-index:2;color:#fff;left:14px;right:14px;bottom:16px;font-size:14px;line-height:1.25}
.proof-grid{display:grid}
.current-testimonial{background:#fff;border:1px solid rgba(0,0,0,.06);border-radius:22px;padding:24px;max-width:760px;margin:0}
.stars{font-size:13px;letter-spacing:2px;color:var(--accent)}
.current-testimonial blockquote{font-size:clamp(19px,2.4vw,28px);line-height:1.45;letter-spacing:-.02em;margin:14px 0 22px}
.current-testimonial figcaption{display:flex;flex-direction:column;gap:3px}
.current-testimonial figcaption span{font-size:13px;color:var(--muted)}

/* ---------- About ---------- */
.about-section{padding:80px max(16px,calc((100vw - 1180px)/2));display:grid;gap:28px}
.about-section h2{font-size:clamp(36px,6vw,72px);line-height:.98;letter-spacing:-.05em;margin:0}
.about-copy{max-width:620px}
.about-copy p{color:rgba(255,255,255,.72);line-height:1.7;font-size:17px;margin:0 0 16px}
.about-copy .btn{margin-top:10px}

/* ---------- Blog cards (home) ---------- */
.blog-grid{display:grid;gap:12px}
.blog-card{background:#fff;border-radius:20px;overflow:hidden;border:1px solid rgba(0,0,0,.06)}
.blog-card a{display:block;height:100%}
.blog-card img{width:100%;height:200px;object-fit:cover}
.blog-card a>div{padding:20px}
.blog-card span,.blog-list-card span{font-size:10px;text-transform:uppercase;letter-spacing:.13em;color:var(--muted);font-weight:850}
.blog-card h3{font-size:21px;letter-spacing:-.03em;line-height:1.18;margin:10px 0}
.blog-card p{font-size:14px;line-height:1.55;color:var(--muted);margin:0 0 14px}
.blog-card b{font-size:12px}
.blog-card a:hover b,.blog-list-card a:hover b{color:var(--accent)}
@media (max-width:699px){
  .blog-card:not(:first-child) a{display:grid;grid-template-columns:104px 1fr;align-items:center}
  .blog-card:not(:first-child) img{height:100%;min-height:128px}
  .blog-card:not(:first-child) a>div{padding:14px 16px}
  .blog-card:not(:first-child) h3{font-size:17px;margin:6px 0 8px}
  .blog-card:not(:first-child) p{display:none}
}

/* ---------- Lead section ---------- */
.lead-section{background:#121019;color:#fff;padding:72px max(16px,calc((100vw - 1180px)/2));display:grid;gap:30px}
.lead-copy h2{font-size:clamp(36px,6vw,72px);line-height:.98;letter-spacing:-.05em;margin:0}
.lead-copy>p:not(.eyebrow){max-width:560px;color:rgba(255,255,255,.7);line-height:1.65}
.contact-inline{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}
.contact-inline a{border:1px solid rgba(255,255,255,.18);border-radius:14px;padding:12px 16px;display:flex;flex-direction:column;gap:3px;flex:1 1 210px}
.contact-inline a:hover{border-color:rgba(255,255,255,.5)}
.contact-inline small{color:rgba(255,255,255,.62);text-transform:uppercase;letter-spacing:.09em;font-size:10px;font-weight:700}
.contact-inline strong{font-size:15px;overflow-wrap:anywhere}
.starter-form{background:#fff;color:#0b1013;border-radius:22px;padding:20px;display:grid;gap:14px}
.form-hint{margin:0;font-size:12px;color:var(--muted);line-height:1.5;text-align:center}

/* ---------- Form fields ---------- */
.starter-form label,.stack-form label{display:grid;gap:7px;font-size:11px;text-transform:uppercase;letter-spacing:.08em;font-weight:800;color:#56605b}
.starter-form input,.starter-form select,.stack-form input,.atrito-form input,.atrito-form select{width:100%;border:1px solid #cfd5d1;background:#f7f8f5;border-radius:11px;padding:13px 14px;min-height:50px;outline:none;font-size:16px;text-transform:none;letter-spacing:0;font-weight:500;color:var(--ink)}
.starter-form input:focus,.starter-form select:focus,.stack-form input:focus,.atrito-form input:focus,.atrito-form select:focus{border-color:var(--accent);box-shadow:0 0 0 3px rgba(92,1,246,.2)}
[aria-invalid="true"]{border-color:#c0263d!important;box-shadow:0 0 0 3px rgba(192,38,61,.15)!important}
.form-error{margin:10px 0 0;color:#b3213a;font-size:14px;font-weight:600;min-height:0}
.form-error:empty{display:none}

/* ---------- Footer ---------- */
.site-footer{background:#070a0c;color:#fff;padding:52px max(16px,calc((100vw - 1180px)/2)) 96px}
.footer-main{display:grid;grid-template-columns:1fr 1fr;gap:30px 20px}
.footer-brand,.footer-main>.footer-links:last-child{grid-column:1/-1}
.footer-brand img{width:150px;height:auto}
.footer-brand p{color:rgba(255,255,255,.62);max-width:320px;line-height:1.55}
.footer-links{display:flex;flex-direction:column;gap:2px}
.footer-links strong{font-size:11px;text-transform:uppercase;letter-spacing:.12em;color:rgba(255,255,255,.58);margin-bottom:6px}
.footer-links a{font-size:14px;color:rgba(255,255,255,.8);padding:6px 0}
.footer-links a:hover{color:#fff}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);margin-top:32px;padding-top:20px;display:flex;flex-direction:column;gap:10px;font-size:12px;color:rgba(255,255,255,.6);line-height:1.5}
.footer-bottom a{color:rgba(255,255,255,.8)}
.footer-bottom a:hover{color:#fff}

/* ---------- Page hero (páginas internas) ---------- */
.page-hero{background:var(--dark);color:#fff;padding:132px max(16px,calc((100vw - 1180px)/2)) 56px}
.compact-hero h1{font-size:clamp(38px,8vw,88px);line-height:.96;letter-spacing:-.05em;margin:0;max-width:1000px}
.compact-hero h1 em,.hero-content h1 em{color:var(--accent-on-dark);font-style:normal}
.page-lead{max-width:640px;color:rgba(255,255,255,.72);line-height:1.65;font-size:17px;margin:20px 0 0}
.breadcrumb{display:flex;flex-wrap:wrap;gap:8px;align-items:center;margin:0 0 18px;font-size:12px;color:rgba(255,255,255,.62)}
.breadcrumb a{color:rgba(255,255,255,.86);padding:4px 0}
.breadcrumb a:hover{color:#fff}
.breadcrumb [aria-current]{color:rgba(255,255,255,.62)}

/* ---------- Filters & pagination ---------- */
.filters{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:22px}
.filters button{border:1px solid rgba(10,13,16,.18);background:transparent;border-radius:999px;padding:9px 14px;min-height:42px;white-space:nowrap;font-size:14px;font-weight:600}
.filters button small{font-size:11px;color:var(--muted);margin-left:4px;font-weight:700}
.filters button:hover{border-color:var(--ink)}
.filters button[aria-pressed="true"]{background:var(--ink);color:#fff;border-color:var(--ink)}
.filters button[aria-pressed="true"] small{color:rgba(255,255,255,.7)}
.catalog-section{padding-top:40px}
.catalog-pagination{display:flex;justify-content:center;gap:8px;margin-top:30px}
.catalog-pagination[hidden]{display:none}
.catalog-pagination button{width:44px;height:44px;border:1px solid var(--line);background:#fff;border-radius:50%;font-weight:800}
.catalog-pagination button[aria-current="page"]{background:var(--ink);color:#fff;border-color:var(--ink)}

/* ---------- Product dialog ---------- */
.product-dialog{width:min(920px,calc(100vw - 24px));margin:auto}
.product-modal{position:relative;background:#fff;border-radius:24px;overflow:hidden;display:grid;max-height:calc(100svh - 24px);overflow-y:auto}
.product-modal>.dialog-close{position:absolute;right:14px;top:14px;z-index:3}
.product-modal-media{position:relative;background:#f4f4f1;aspect-ratio:4/3}
.product-modal-media img{position:absolute;inset:0;width:100%;height:100%;object-fit:contain;padding:18px}
.product-modal-body{padding:24px;display:flex;flex-direction:column;gap:14px}
.product-modal-body .eyebrow{margin:0}
.product-modal-body .eyebrow a{color:var(--accent);text-decoration:underline;text-underline-offset:3px}
.product-modal-body h2{font-size:clamp(30px,4vw,44px);letter-spacing:-.045em;line-height:1;margin:0}
.product-modal-body>p{margin:0;color:var(--muted);line-height:1.6}
.product-modal-actions{display:grid;gap:8px;margin-top:4px}
.product-modal-links{display:flex;flex-direction:column;gap:4px;border-top:1px solid var(--line);padding-top:12px}
.product-modal-links a,.product-modal-links button{font-size:14px;font-weight:700;display:inline-flex;align-items:center;min-height:40px;border:0;background:transparent;padding:0;text-align:left}
.product-modal-links a:hover,.product-modal-links button:hover{color:var(--accent)}
.product-modal-links [hidden]{display:none}

/* ---------- Video library ---------- */
.video-library-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px 10px}
.video-library-grid .video-card.hidden{display:none}
.video-library-grid .video-title{font-size:15px}
.mini-cta{width:var(--shell);margin:0 auto 72px;border-radius:24px;background:#e6ddff;padding:28px;display:flex;flex-direction:column;gap:18px}
.mini-cta h2{font-size:clamp(28px,4vw,48px);letter-spacing:-.045em;line-height:1.02;margin:0}
.mini-cta p{margin:8px 0 0;color:#454d49;line-height:1.55}
.mini-cta .btn{align-self:flex-start}

/* ---------- Blog list ---------- */
.blog-list{display:grid;gap:26px}
.blog-list-card{border-bottom:1px solid var(--line);padding-bottom:26px}
.blog-list-card a{display:grid;gap:18px}
.blog-list-card img{width:100%;height:220px;object-fit:cover;border-radius:18px}
.blog-list-card h2{font-size:clamp(25px,4vw,42px);line-height:1.05;letter-spacing:-.04em;margin:10px 0}
.blog-list-card p{color:var(--muted);line-height:1.6;max-width:700px;margin:0 0 12px}
.blog-list-card b{font-size:13px}

/* ---------- Article ---------- */
.article-page{padding-bottom:72px}
.article-hero{background:#0a0d10;color:#fff;padding:128px max(16px,calc((100vw - 940px)/2)) 64px}
.article-hero .breadcrumb{margin-bottom:40px}
.article-kicker{font-size:11px;text-transform:uppercase;letter-spacing:.13em;color:var(--accent-on-dark);font-weight:850}
.article-hero h1{font-size:clamp(33px,6vw,72px);line-height:1;letter-spacing:-.045em;max-width:980px;margin:14px 0 18px}
.article-hero>p{max-width:720px;line-height:1.65;color:rgba(255,255,255,.72);font-size:17px;margin:0}
.article-cover{width:var(--shell);margin:24px auto 0;aspect-ratio:4/3;border-radius:22px;overflow:hidden;background:#e8eae4}
.article-cover img{width:100%;height:100%;object-fit:cover}
.article-content{width:min(760px,calc(100vw - 32px));margin:44px auto 0}
.article-lead{font-size:clamp(20px,2.6vw,24px);line-height:1.45;letter-spacing:-.02em;color:#2f3733;margin:0 0 8px}
.article-content section{padding:26px 0;border-bottom:1px solid var(--line)}
.article-content h2{font-size:clamp(25px,3.2vw,31px);letter-spacing:-.035em;line-height:1.12;margin:0 0 12px}
.article-content section p{font-size:17px;line-height:1.8;color:#3e4843;margin:0}
.article-content section p+p{margin-top:14px}
.article-content section a{color:var(--accent);text-decoration:underline;text-underline-offset:3px}
.article-figure{margin:22px 0 0;border-radius:18px;overflow:hidden;background:#e8eae4}
.article-figure img{width:100%;height:auto}
.article-cta{margin-top:40px;background:var(--accent-soft);border-radius:24px;padding:26px}
.article-cta h2{font-size:clamp(24px,3vw,28px);letter-spacing:-.035em;margin:0 0 8px}
.article-cta>p{color:#4b544f;line-height:1.6;margin:0 0 18px}
.article-cta .cta-buttons{display:flex;gap:9px;flex-wrap:wrap}
.article-cta .cta-buttons .btn{flex:1 1 220px}
.related-products{margin-top:22px;padding-top:18px;border-top:1px solid rgba(10,13,16,.1)}
.related-products h3{font-size:12px;text-transform:uppercase;letter-spacing:.1em;color:#4b544f;margin:0 0 10px}
.chip-list{display:flex;flex-wrap:wrap;gap:8px;list-style:none;margin:0;padding:0}
.chip-list a{display:inline-flex;align-items:center;min-height:38px;padding:7px 13px;border-radius:999px;background:#fff;border:1px solid rgba(10,13,16,.1);font-size:13px;font-weight:700}
.chip-list a:hover{border-color:var(--accent);color:var(--accent)}
.more-articles{margin-top:44px}
.more-articles h2{font-size:22px;letter-spacing:-.03em;margin:0 0 6px}
.more-articles ul{list-style:none;margin:0;padding:0}
.more-articles li a{display:flex;justify-content:space-between;gap:16px;padding:16px 0;border-bottom:1px solid var(--line);font-weight:700;line-height:1.35}
.more-articles li a:after{content:"→";color:var(--muted)}
.more-articles li a:hover{color:var(--accent)}

/* ---------- WhatsApp float ---------- */
.whatsapp-float{position:fixed;z-index:65;right:14px;bottom:max(14px,env(safe-area-inset-bottom));border:0;border-radius:999px;background:var(--accent);color:#fff;padding:12px 17px;min-height:48px;display:flex;align-items:center;gap:8px;box-shadow:0 15px 35px rgba(0,0,0,.22);font-weight:850;font-size:14px}
.whatsapp-float svg{width:18px;height:18px;flex:none}
.whatsapp-float:hover{background:var(--accent-hover);transform:translateY(-2px)}

/* ---------- Dialogs ---------- */
dialog{border:0;padding:0;background:transparent;max-width:none;max-height:none;color:var(--ink)}
dialog::backdrop{background:rgba(2,5,7,.78);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}
.dialog-close{width:44px;height:44px;border-radius:50%;border:0;background:#eef0ec;color:#101316;font-size:26px;line-height:1;display:grid;place-items:center;flex:none}
.dialog-close:hover{background:#dfe3de}
.lead-dialog{width:min(500px,calc(100vw - 24px));margin:auto}
.mini-modal{position:relative;background:#fff;border-radius:24px;padding:28px 22px 24px}
.mini-modal h2{font-size:clamp(28px,6vw,36px);letter-spacing:-.045em;line-height:1.05;margin:0 0 10px;padding-right:44px}
.mini-modal>.dialog-close{position:absolute;right:16px;top:16px}
.stack-form{display:grid;gap:13px;margin-top:20px}
.atrito-dialog{width:100vw;height:100svh;max-width:100vw;max-height:100svh;margin:0}
.atrito-shell{width:100%;height:100%;background:#fff;display:grid;grid-template-rows:1fr}
.atrito-aside{background:#0a0e11;color:#fff;padding:32px;display:none;flex-direction:column;justify-content:space-between}
.atrito-aside img{width:150px;height:auto}
.atrito-aside h2{font-size:clamp(32px,3.4vw,44px);letter-spacing:-.05em;line-height:1.02}
.atrito-aside p{color:rgba(255,255,255,.7);line-height:1.6}
.atrito-aside small{color:rgba(255,255,255,.6);line-height:1.5;font-size:13px}
.atrito-panel{display:flex;flex-direction:column;min-width:0;min-height:0}
.atrito-panel>header{height:68px;padding:0 14px 0 18px;border-bottom:1px solid var(--line);display:flex;justify-content:space-between;align-items:center;flex:none}
.atrito-panel>header>div{display:flex;gap:10px;font-size:11px;text-transform:uppercase;letter-spacing:.08em;color:var(--muted);font-weight:700}
.progress{height:3px;background:#edf0ec;flex:none}
.progress span{display:block;width:10%;height:100%;background:var(--accent);transition:width .25s ease}
.atrito-body{flex:1;overflow-y:auto;display:flex}
.atrito-form{padding:24px 18px 40px;max-width:720px;width:100%;margin:0 auto}
.atrito-intro{margin:0 0 22px;font-size:13px;line-height:1.5;color:var(--muted);border-left:3px solid var(--accent);padding-left:10px}
.form-step{border:0;padding:0;margin:0;min-width:0}
.form-step legend{font-size:clamp(28px,5vw,50px);line-height:1.05;letter-spacing:-.045em;font-weight:800;margin-bottom:18px;padding:0}
.form-step>p:not(.form-error):not(.privacy-note){color:var(--muted);margin:-6px 0 16px}
.form-step input{font-size:18px;padding:15px 16px;min-height:56px}
.form-step>.btn{margin-top:16px}
.form-nav{display:flex;justify-content:space-between;align-items:center;gap:10px;margin-top:18px}
.btn-back{border:0;background:transparent;color:var(--muted);padding:12px 4px;min-height:44px;font-weight:700}
.btn-back:hover{color:var(--ink)}
.choices{display:grid;gap:8px}
.choices label{display:block;position:relative}
.choices input{position:absolute;opacity:0;width:1px;height:1px}
.choices span{display:block;border:1px solid #d0d6d2;border-radius:13px;padding:15px 16px;font-weight:700;min-height:52px}
.choices label:hover span{border-color:var(--ink)}
.choices input:checked+span{background:#0c1114;color:#fff;border-color:#0c1114}
.choices input:focus-visible+span{outline:3px solid var(--accent);outline-offset:2px}
.privacy-note{font-size:12px;color:var(--muted);margin:16px 0 0;line-height:1.5}
.video-dialog{width:min(460px,calc(100vw - 24px));margin:auto}
.video-modal{position:relative;background:#060809;border-radius:22px;overflow:hidden;color:#fff}
.video-modal>.dialog-close{position:absolute;right:12px;top:12px;z-index:2;background:rgba(255,255,255,.92)}
.video-modal video{display:block;width:100%;max-height:78svh;background:#000;object-fit:contain;aspect-ratio:9/16}
.video-modal-copy{padding:14px 18px 18px;display:flex;flex-direction:column;gap:4px}
.video-modal-copy span{color:rgba(255,255,255,.6);font-size:11px;text-transform:uppercase;letter-spacing:.1em}
.video-modal-copy strong{font-size:17px}
.toast{position:fixed;z-index:120;left:50%;bottom:84px;transform:translateX(-50%);width:min(440px,calc(100vw - 32px));background:#0b1013;color:#fff;border-radius:16px;padding:14px 18px;font-size:14px;line-height:1.45;box-shadow:var(--shadow)}
.toast[hidden]{display:none}

/* ---------- 404 ---------- */
.notfound{min-height:70svh;display:flex;flex-direction:column;justify-content:center}
.notfound .hero-actions{margin-top:26px;max-width:460px}

.shake{animation:shake .28s linear}
@keyframes shake{25%{transform:translateX(-5px)}75%{transform:translateX(5px)}}

/* =========================================================
   Breakpoints
   ========================================================= */
@media (min-width:480px){
  .hero-actions .btn{flex:0 0 auto}
  .video-rail{grid-auto-columns:minmax(200px,42vw)}
}
@media (min-width:560px){
  .catalog-grid{gap:14px}
  .catalog-product{border-radius:22px}
  .catalog-product-copy{padding:18px 20px 20px}
  .catalog-product-copy h2,.catalog-product-copy h3{font-size:21px}
  .video-library-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:26px 14px}
  .product-modal-actions{grid-template-columns:1fr 1fr}
}
@media (min-width:700px){
  :root{--header-offset:104px}
  .site-header{height:72px}
  .brand img{width:142px}
  .header-cta{display:block}
  .menu-button{display:none}
  .mobile-menu,.mobile-menu[hidden]{display:none}
  .desktop-nav{display:flex}
  .hero-home{padding-top:150px}
  .hero-lead{font-size:19px}
  .hero-products{height:340px}
  .hp-1{width:38%;height:270px}
  .hp-2{width:40%;height:310px;left:31%}
  .hp-3{width:34%;height:260px}
  .section{padding:88px 0}
  .section-head{grid-template-columns:1fr auto;align-items:end;gap:22px}
  .pillar-grid{grid-template-columns:repeat(2,1fr);column-gap:28px}
  .video-section{padding:88px max(16px,calc((100vw - 1180px)/2))}
  .video-rail{grid-auto-columns:260px;gap:14px}
  .testimonial-videos{gap:14px}
  .proof-video{aspect-ratio:4/5}
  .proof-video b{font-size:16px;left:22px;bottom:22px}
  .proof-video .play{left:22px;bottom:58px}
  .current-testimonial{padding:32px}
  .about-section{grid-template-columns:1.1fr .9fr;align-items:end;padding-top:100px;padding-bottom:100px}
  .blog-grid{grid-template-columns:repeat(2,1fr)}
  .blog-card img{height:220px}
  .lead-section{grid-template-columns:1.1fr .9fr;align-items:center;padding-top:88px;padding-bottom:88px}
  .starter-form{padding:24px}
  .footer-main{grid-template-columns:1.6fr 1fr 1fr 1fr}
  .footer-brand,.footer-main>.footer-links:last-child{grid-column:auto}
  .footer-bottom{flex-direction:row;justify-content:space-between}
  .site-footer{padding-bottom:28px}
  .page-hero{padding-top:150px;padding-bottom:64px}
  .blog-list-card a{grid-template-columns:340px 1fr;align-items:center;gap:32px}
  .blog-list-card img{height:240px}
  .mini-cta{flex-direction:row;align-items:center;justify-content:space-between;padding:36px}
  .mini-cta h2{max-width:680px}
  .mini-cta .btn{align-self:center;flex:none}
  .article-hero{padding-top:150px;padding-bottom:72px}
  .article-cover{aspect-ratio:2/1}
  .atrito-shell{grid-template-columns:38% 62%}
  .atrito-aside{display:flex}
  .atrito-form{padding:48px 54px;margin:auto}
  .atrito-intro{display:none}
  .product-modal{grid-template-columns:1fr 1fr}
  .product-modal-media{aspect-ratio:auto;min-height:420px}
  .product-modal-body{padding:40px 32px 32px;justify-content:center}
  .product-modal-actions{grid-template-columns:1fr}
}
@media (min-width:860px){
  .catalog-grid{grid-template-columns:repeat(3,minmax(0,1fr))}
  .featured-grid{grid-template-columns:repeat(4,minmax(0,1fr))}
  .video-library-grid{grid-template-columns:repeat(4,minmax(0,1fr))}
}
@media (min-width:1000px){
  .pillar-grid{grid-template-columns:repeat(4,1fr)}
  .blog-grid{grid-template-columns:repeat(3,1fr)}
  .blog-card:first-child{grid-column:span 2}
  .blog-card:first-child a{display:grid;grid-template-columns:1.3fr 1fr}
  .blog-card:first-child img{height:100%;min-height:330px}
  .blog-card:first-child h3{font-size:28px}
  .about-section{padding-top:120px;padding-bottom:120px}
  .proof-grid{grid-template-columns:1.05fr .95fr;gap:40px;align-items:center}
  .proof-grid .testimonial-videos{margin-bottom:0}
  .proof-grid .proof-video{aspect-ratio:9/14}
}
@media (min-width:1120px){
  .catalog-grid{grid-template-columns:repeat(4,minmax(0,1fr))}
}
@media (prefers-reduced-motion:reduce){
  *,*:before,*:after{scroll-behavior:auto!important;transition:none!important;animation:none!important}
}