:root {
  color-scheme: dark;
  --bg: #060810;
  --surface: rgba(20, 27, 48, .88);
  --surface-strong: #151d35;
  --border: rgba(177, 196, 255, .18);
  --border-hover: rgba(150, 124, 255, .78);
  --text: #f7f8fc;
  --muted: #9da6bb;
  --soft: #cbd1df;
  --primary: #a77cff;
  --primary-2: #5b8cff;
  --cyan: #5bd7ff;
  --green: #67f0a0;
  --shadow: 0 24px 70px rgba(0, 0, 0, .34);
  --radius-lg: 28px;
  --radius-md: 20px;
  --content: 1160px;
  --gutter: clamp(18px, 4vw, 32px);
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 110px; }
@media (min-width: 1145px) {
  html { zoom: 1.1; }
}
body {
  margin: 0;
  min-width: 320px;
  min-height: 100vh;
  overflow-x: hidden;
  color: var(--text);
  background: var(--bg);
  font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  -webkit-font-smoothing: antialiased;
}
body.menu-open { overflow: hidden; }
button, input { font: inherit; }
a { color: inherit; text-decoration: none; }
h1, h2, h3, p { text-wrap: pretty; }

.skip-link {
  position: fixed;
  z-index: 100;
  top: 12px;
  left: 12px;
  padding: 11px 15px;
  border-radius: 10px;
  color: #090b13;
  background: #fff;
  transform: translateY(-160%);
  transition: transform .2s ease;
}
.skip-link:focus { transform: translateY(0); }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0; }

.page-glow, .grid-bg { position: fixed; inset: 0; pointer-events: none; }
.page-glow {
  z-index: 0;
  background:
    radial-gradient(circle at 12% 5%, rgba(70, 96, 255, .46), transparent 31%),
    radial-gradient(circle at 88% 8%, rgba(174, 75, 255, .38), transparent 29%),
    radial-gradient(circle at 50% 75%, rgba(24, 177, 242, .18), transparent 37%),
    linear-gradient(180deg, #060810 0%, #090b17 48%, #060810 100%);
}
.grid-bg {
  z-index: 0;
  opacity: .7;
  background-image: linear-gradient(rgba(255,255,255,.028) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.028) 1px, transparent 1px);
  background-size: 72px 72px;
  -webkit-mask-image: radial-gradient(circle at 50% 28%, #000 0%, transparent 66%);
  mask-image: radial-gradient(circle at 50% 28%, #000 0%, transparent 66%);
}
.site-header, main, .footer { position: relative; z-index: 1; }
main { top: -12px; }

.site-header {
  position: sticky;
  top: 14px;
  z-index: 50;
  width: min(var(--content), calc(100% - var(--gutter) * 2));
  min-height: 68px;
  margin: 12px auto 0;
  padding: 10px 14px 10px 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  border: 1px solid var(--border);
  border-radius: 20px;
  background: rgba(8, 11, 19, .78);
  box-shadow: 0 16px 50px rgba(0,0,0,.25);
  -webkit-backdrop-filter: blur(20px);
  backdrop-filter: blur(20px);
}
.brand { display: inline-flex; align-items: center; gap: 12px; flex: 0 0 auto; min-width: 0; }
.brand-logo-link { max-width: min(330px, 38vw); }
.brand-logo { display: block; width: clamp(190px, 22vw, 286px); height: auto; object-fit: contain; filter: drop-shadow(0 8px 24px rgba(0,0,0,.34)); }
.site-header .brand-logo-link { position: relative; display: inline-block; }
.brand-tagline { position: absolute; left: 3%; bottom: 12%; width: 68%; padding: 0; border: 0; color: var(--muted); font-size: clamp(6px, .55vw, 8px); line-height: 1; letter-spacing: .14em; text-align: center; text-transform: uppercase; white-space: nowrap; pointer-events: none; }

.nav { display: flex; align-items: center; justify-content: flex-end; gap: 2px; }
.nav a { padding: 8px 11px; border-radius: 12px; color: var(--soft); font-size: 13px; font-weight: 500; line-height: 1.3; transition: color .2s ease, background-color .2s ease; }
.nav a:hover, .nav a:focus-visible { color: #fff; background: rgba(255,255,255,.065); }
.nav .nav-cta { margin-left: 6px; padding-inline: 15px; color: #fff; border: 1px solid rgba(152,125,255,.4); background: rgba(124,92,255,.14); }
.menu-toggle { display: none; }

.section { width: min(var(--content), calc(100% - var(--gutter) * 2)); margin: clamp(20px, 3vw, 32px) auto; }
.hero { max-width: 1040px; margin-top: 10px; margin-bottom: 8px; padding: clamp(8px, 1.2vw, 16px) 0 10px; text-align: center; }
.pill { display: inline-flex; align-items: center; gap: 8px; padding: 8px 13px; border: 1px solid var(--border); border-radius: 999px; color: var(--soft); background: rgba(255,255,255,.045); font-size: 13px; font-weight: 600; line-height: 1.25; }
.hero-trust { margin-inline: auto; justify-content: center; box-shadow: 0 10px 28px rgba(33, 44, 100, .16); }
.pill span { width: 7px; height: 7px; border-radius: 50%; background: var(--green); box-shadow: 0 0 14px rgba(94,229,139,.75); }
.hero h1 { max-width: 1040px; margin: 15px auto 12px; font-size: clamp(42px, 5.6vw, 68px); line-height: 1.01; letter-spacing: -.055em; text-wrap: balance; }
.hero h1 span { display: block; color: transparent; background: linear-gradient(100deg, #fff 2%, #bba4ff 45%, #55c9f5 100%); -webkit-background-clip: text; background-clip: text; }

.search-box { position: relative; max-width: 620px; min-height: 54px; margin: 0 auto; padding: 5px 7px 5px 16px; display: flex; align-items: center; gap: 11px; border: 1px solid rgba(255,255,255,.14); border-radius: 16px; background: rgba(8, 11, 20, .86); box-shadow: 0 16px 48px rgba(72, 62, 190, .18); transition: border-color .2s ease, box-shadow .2s ease; }
.hero .search-box { margin-top: 14px; }
.search-box:focus-within { border-color: rgba(139,92,246,.72); box-shadow: 0 18px 65px rgba(79,70,229,.28), 0 0 0 4px rgba(139,92,246,.1); }
.search-icon { width: 18px; height: 18px; flex: 0 0 auto; border: 2px solid var(--muted); border-radius: 50%; position: relative; }
.search-icon::after { content: ""; position: absolute; width: 7px; height: 2px; right: -5px; bottom: -2px; border-radius: 2px; background: var(--muted); transform: rotate(45deg); }
.search-box input { flex: 1; min-width: 0; padding: 10px 2px; border: 0; outline: 0; color: #fff; background: transparent; }
.search-box input::placeholder { color: #7f899e; opacity: 1; }
.search-box button { width: 42px; height: 42px; flex: 0 0 auto; border: 0; border-radius: 11px; color: #fff; background: linear-gradient(145deg, #8b5cf6, #4f67e8); cursor: pointer; font-size: 22px; line-height: 1; transition: transform .2s ease; }
.search-box button:hover { transform: scale(1.04); }
.search-status { min-height: 18px; margin: 7px auto 0 !important; color: var(--muted) !important; font-size: 13px !important; line-height: 1.35 !important; }
#productos { margin-top: 8px; padding: 20px; }
#productos .section-head { margin-bottom: 14px; }
#productos .section-intro { margin-top: 6px; font-size: 14px; }

.stats { max-width: 700px; margin: 28px auto 0; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; }
.stats div { min-height: 84px; padding: 16px; display: grid; place-content: center; border: 1px solid rgba(255,255,255,.075); border-radius: 17px; background: rgba(255,255,255,.035); }
.stats strong { display: block; font-size: 21px; line-height: 1.1; }
.stats small { margin-top: 7px; color: var(--muted); font-size: 12px; }

.glass-panel { padding: clamp(22px, 4vw, 36px); border: 1px solid var(--border); border-radius: var(--radius-lg); background: linear-gradient(145deg, rgba(17,21,36,.88), rgba(11,14,25,.74)); box-shadow: var(--shadow); -webkit-backdrop-filter: blur(18px); backdrop-filter: blur(18px); }
.section-head { margin-bottom: 24px; display: flex; align-items: flex-end; justify-content: space-between; gap: 24px; }
.section-head > div { max-width: 720px; }
.eyebrow { margin: 0 0 9px; color: var(--cyan); font-size: 11px; font-weight: 800; letter-spacing: .17em; text-transform: uppercase; }
h2 { margin: 0; font-size: clamp(27px, 4vw, 43px); line-height: 1.08; letter-spacing: -.045em; }
.section-intro { margin: 11px 0 0; color: var(--muted); line-height: 1.65; }
.text-link { flex: 0 0 auto; padding: 8px 0; color: var(--soft); font-size: 13px; font-weight: 700; }
.text-link span, .card a span, .btn span { display: inline-block; transition: transform .2s ease; }
.text-link:hover span, .card a:hover span, .btn:hover span { transform: translateX(4px); }

.cards, .guide-grid { display: grid; gap: 16px; }
.product-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); align-items: stretch; }
.card, .guide, details { border: 1px solid rgba(177,196,255,.16); border-radius: var(--radius-md); background: linear-gradient(160deg, rgba(255,255,255,.09), rgba(255,255,255,.032)); transition: transform .22s ease, border-color .22s ease, background-color .22s ease, box-shadow .22s ease; }
.card:hover, .guide:hover { transform: translateY(-4px); border-color: var(--border-hover); box-shadow: 0 18px 52px rgba(82,68,190,.28); }
.card { min-height: 292px; padding: 24px; display: flex; flex-direction: column; align-items: flex-start; }
.product-card { position: relative; height: 100%; min-height: 220px; padding: 14px 15px 16px; align-items: center; overflow: hidden; text-align: center; }
.product-card .catalog-link { width: 100%; margin-top: auto; padding-top: 8px; justify-content: center; }
.product-card::before { content: ""; position: absolute; inset: 0; pointer-events: none; background: radial-gradient(circle at 100% 0, var(--card-glow), transparent 42%); }
.office-card { --card-glow: rgba(255, 126, 91, .26); background: linear-gradient(145deg, rgba(120, 54, 60, .52), rgba(38, 31, 47, .85)); }
.autodesk-card { --card-glow: rgba(73, 208, 255, .3); background: linear-gradient(145deg, rgba(24, 87, 119, .54), rgba(23, 34, 53, .87)); }
.windows-card { --card-glow: rgba(87, 142, 255, .34); background: linear-gradient(145deg, rgba(37, 74, 142, .58), rgba(24, 34, 66, .88)); }
.mcafee-card { --card-glow: rgba(255, 87, 100, .32); background: linear-gradient(145deg, rgba(132, 38, 54, .58), rgba(57, 24, 37, .9)); }
.acrobat-card { --card-glow: rgba(255, 96, 72, .34); background: linear-gradient(145deg, rgba(135, 46, 36, .58), rgba(59, 25, 29, .9)); }
.creative-card { --card-glow: rgba(239, 99, 236, .33); background: linear-gradient(145deg, rgba(104, 39, 122, .6), rgba(39, 24, 67, .9)); }
.eset-card { --card-glow: rgba(53, 220, 165, .3); background: linear-gradient(145deg, rgba(26, 105, 80, .56), rgba(20, 52, 48, .9)); }
.corel-card { --card-glow: rgba(100, 196, 255, .3); background: linear-gradient(145deg, rgba(28, 83, 121, .58), rgba(22, 39, 66, .9)); }
.tools-card { --card-glow: rgba(183, 126, 255, .3); background: linear-gradient(145deg, rgba(76, 48, 128, .56), rgba(35, 29, 62, .9)); }
.product-card > * { position: relative; z-index: 1; }
.product-card-head { width: 100%; min-height: 104px; display: flex; align-items: center; flex-direction: column; gap: 7px; }
.product-card-head > div:last-child { width: 100%; min-width: 0; }
.product-card-head .product-label { min-height: 13px; display: flex; align-items: center; justify-content: center; }
.product-card-head h3 { min-height: 42px; margin: 0; display: flex; align-items: flex-start; justify-content: center; text-align: center; }
.product-card .icon { width: 40px; height: 40px; margin: 0; flex: 0 0 auto; border-radius: 12px; }
.product-label { margin: 0 0 3px; color: var(--cyan); font-size: 10px; font-weight: 800; letter-spacing: .15em; text-transform: uppercase; }
.product-card > p { width: 100%; min-height: 54px; margin: 6px 0 0; color: var(--soft); font-size: 12px; line-height: 1.5; text-align: center; }
.subproducts { width: 100%; margin: 24px 0 0; padding: 0; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); grid-auto-rows: 48px; gap: 8px; list-style: none; }
.subproducts a { height: 48px; padding: 7px 11px; display: flex; align-items: center; justify-content: space-between; gap: 8px; border: 1px solid rgba(255,255,255,.13); border-radius: 11px; color: #f5f7ff; background: rgba(5, 9, 23, .26); font-size: 12px; font-weight: 700; line-height: 1.2; transition: background-color .2s ease, border-color .2s ease, transform .2s ease; }
.subproducts a:hover, .subproducts a:focus-visible { border-color: rgba(255,255,255,.36); background: rgba(255,255,255,.13); transform: translateY(-1px); }
.subproducts span { flex: 0 0 auto; color: var(--cyan); }
.catalog-link { margin-top: 22px; padding-top: 2px; display: inline-flex; align-items: center; gap: 7px; color: #fff; font-size: 12px; font-weight: 800; line-height: 1.35; }
.catalog-link span { color: var(--cyan); transition: transform .2s ease; }
.catalog-link:hover span { transform: translateX(4px); }
.icon { width: 50px; height: 50px; margin-bottom: 20px; display: grid; place-items: center; border-radius: 15px; font-weight: 800; box-shadow: inset 0 0 0 1px rgba(255,255,255,.06); }
.office { color: #ffb09b; background: rgba(251,106,58,.27); }
.autodesk { color: #86e2ff; background: rgba(56,189,248,.25); }
.windows { color: #a7c5ff; background: rgba(59,130,246,.29); }
.mcafee { color: #ffb1b6; background: rgba(235, 61, 75, .3); }
.acrobat { color: #ffc0b3; background: rgba(245, 79, 52, .3); font-size: 13px; }
.creative { color: #f4c0ff; background: rgba(198, 74, 221, .3); font-size: 12px; }
.eset { color: #a8ffe0; background: rgba(43, 198, 143, .28); }
.corel { color: #b8e5ff; background: rgba(63, 164, 230, .28); }
.tools { color: #dfd1ff; background: rgba(139,92,246,.3); }
.card-copy { flex: 1; }
.card h3, .guide h3 { margin: 0 0 9px; font-size: 18px; line-height: 1.3; }
.card p, .guide p, details p { margin: 0; color: var(--muted); font-size: 14px; line-height: 1.68; }
.card a { margin-top: 18px; color: #fff; font-size: 13px; font-weight: 700; }

.guide-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.guide-product-group + .guide-product-group { margin-top: 38px; padding-top: 30px; border-top: 1px solid rgba(177,196,255,.14); }
.guide-product-heading { margin-bottom: 16px; }
.guide-product-heading h3 { margin: 0; font-size: clamp(20px, 2.4vw, 27px); letter-spacing: -.03em; }
.guide-category-tabs { max-width: 1040px; margin: 0 auto 24px; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 10px; }
.guide-category-tab { min-height: 62px; padding: 9px 12px; display: flex; align-items: center; justify-content: center; gap: 9px; border: 1px solid rgba(177,196,255,.14); border-radius: 15px; color: var(--soft); background: rgba(255,255,255,.035); font-size: 12px; font-weight: 700; line-height: 1.25; cursor: pointer; transition: color .2s ease, border-color .2s ease, background-color .2s ease, transform .2s ease, box-shadow .2s ease; }
.guide-category-tab:hover { color: #fff; border-color: var(--border-hover); background: rgba(255,255,255,.065); transform: translateY(-2px); }
.guide-category-tab.is-active { color: #fff; border-color: rgba(139,92,246,.58); background: linear-gradient(145deg, rgba(139,92,246,.2), rgba(66,199,245,.09)); box-shadow: 0 12px 34px rgba(70,55,180,.2); }
.guide-tab-icon { width: 34px; height: 34px; flex: 0 0 auto; display: grid; place-items: center; border-radius: 10px; font-size: 11px; font-weight: 800; box-shadow: inset 0 0 0 1px rgba(255,255,255,.06); }
.guide-panels { max-width: 1040px; margin: 0 auto; }
.guide-category-panel { width: 100%; margin: 0 auto; }
.guide-category-panel[hidden] { display: none !important; }
.guide-panel-heading { max-width: 720px; margin: 0 auto 17px; text-align: center; }
.guide-panel-heading .product-label { margin-bottom: 6px; }
.guide-panel-heading h3 { margin: 0; font-size: clamp(22px, 3vw, 30px); line-height: 1.15; letter-spacing: -.035em; }
.guide-panel-heading > p:last-child { margin: 8px 0 0; color: var(--muted); font-size: 13px; line-height: 1.55; }
.guide-product-selector { max-width: 920px; margin: 0 auto; display: flex; flex-wrap: wrap; justify-content: center; gap: 8px; }
.guide-product-selector button { min-height: 38px; padding: 8px 13px; border: 1px solid rgba(177,196,255,.14); border-radius: 11px; color: var(--soft); background: rgba(255,255,255,.035); font-size: 12px; font-weight: 700; line-height: 1.25; cursor: pointer; transition: color .2s ease, border-color .2s ease, background-color .2s ease; }
.guide-product-selector button:hover { color: #fff; border-color: rgba(66,199,245,.38); }
.guide-product-selector button.is-active { color: #fff; border-color: rgba(66,199,245,.55); background: rgba(66,199,245,.12); }
.guide-selection-status { margin: 12px 0 18px; color: var(--muted); font-size: 12px; text-align: center; }
.guide-selection-status strong { color: var(--soft); }
.installer-panel { max-width: 920px; margin: 0 auto 18px; padding: 18px; border: 1px solid rgba(66,199,245,.18); border-radius: 17px; background: linear-gradient(145deg, rgba(66,199,245,.055), rgba(139,92,246,.045)); }
.installer-panel-head { display: flex; align-items: center; justify-content: center; gap: 10px; text-align: left; }
.installer-panel-icon { width: 36px; height: 36px; flex: 0 0 auto; display: grid; place-items: center; border-radius: 11px; color: #b8ecff; background: rgba(66,199,245,.14); font-size: 18px; font-weight: 800; }
.installer-panel-head .product-label { margin-bottom: 2px; }
.installer-panel h4 { margin: 0; color: #fff; font-size: 18px; line-height: 1.2; }
.installer-description { max-width: 720px; margin: 11px auto 14px; color: var(--muted); font-size: 12px; line-height: 1.55; text-align: center; }
.installer-list { display: grid; grid-template-columns: repeat(auto-fit, minmax(145px, 1fr)); gap: 8px; }
.installer-item { min-width: 0; overflow: hidden; display: flex; flex-direction: column; border: 1px solid rgba(177,196,255,.16); border-radius: 12px; background: rgba(255,255,255,.045); transition: transform .2s ease, border-color .2s ease, box-shadow .2s ease; }
.installer-item:hover { border-color: rgba(66,199,245,.42); box-shadow: 0 10px 24px rgba(14,26,66,.2); transform: translateY(-2px); }
.installer-download { min-height: 66px; padding: 10px 12px; display: flex; flex: 1 1 auto; flex-direction: column; align-items: center; justify-content: center; gap: 4px; border: 0; border-radius: 0; color: #fff; background: transparent; font: inherit; text-align: center; transition: background-color .2s ease; }
a.installer-download:hover { background: rgba(66,199,245,.09); }
.installer-download span { font-size: 12px; font-weight: 800; line-height: 1.25; }
.installer-download small { color: var(--cyan); font-size: 10px; font-weight: 700; line-height: 1.2; }
button.installer-download:disabled { color: var(--soft); cursor: not-allowed; opacity: .72; }
button.installer-download:disabled small { color: var(--muted); }
.installer-copy { min-height: 34px; padding: 7px 9px; display: inline-flex; align-items: center; justify-content: center; gap: 6px; border: 0; border-top: 1px solid rgba(177,196,255,.12); color: var(--soft); background: rgba(6,11,25,.28); font: inherit; font-size: 10px; font-weight: 800; cursor: pointer; transition: color .2s ease, background-color .2s ease; }
.installer-copy:hover { color: #fff; background: rgba(66,199,245,.12); }
.installer-copy.is-copied { color: #9cf1c5; background: rgba(52,211,153,.12); }
.installer-copy-icon { color: var(--cyan); font-size: 14px; line-height: 1; }
.installer-list > .installer-item:only-child { width: min(100%, 280px); justify-self: center; }
.installer-note { margin: 11px 0 0; color: var(--muted); font-size: 10px; line-height: 1.45; text-align: center; }
.guide-category-panel .guide-grid { max-width: 920px; margin: 0 auto; grid-template-columns: repeat(2, minmax(0, 1fr)); align-items: stretch; }
.guide-category-panel .guide-grid > .guide:only-child { width: min(100%, 540px); grid-column: 1 / -1; justify-self: center; }
.guide { min-height: 100%; padding: 22px; display: flex; flex-direction: column; }
.guide-number { display: inline-grid; min-width: 36px; min-height: 27px; margin-bottom: 18px; place-items: center; border-radius: 8px; color: #c8b9ff; background: rgba(139,92,246,.13); font-size: 11px; font-weight: 800; }
.tip-number { color: #a8ecff; background: rgba(66,199,245,.16); }
.guide ul { margin: 17px 0 0; padding: 16px 0 0; border-top: 1px solid rgba(255,255,255,.075); list-style: none; }
.guide li { position: relative; margin-top: 9px; padding-left: 17px; color: var(--soft); font-size: 13px; line-height: 1.55; }
.guide li::before { content: ""; position: absolute; top: .58em; left: 0; width: 5px; height: 5px; border-radius: 50%; background: var(--primary); }
.empty-state { display: none; margin-top: 18px; padding: 24px; border: 1px dashed rgba(255,255,255,.15); border-radius: 16px; text-align: center; }
.empty-state strong, .empty-state span { display: block; }
.empty-state span { margin-top: 6px; color: var(--muted); font-size: 14px; }
.hidden { display: none !important; }

.split { display: grid; grid-template-columns: minmax(0, 1.48fr) minmax(280px, .72fr); align-items: stretch; gap: 20px; }
.comparison-card h2, .tips-card h2 { font-size: clamp(26px, 3vw, 36px); }
.table-wrap { margin-top: 22px; overflow-x: auto; border: 1px solid rgba(255,255,255,.07); border-radius: 17px; }
table { width: 100%; min-width: 650px; border-collapse: collapse; }
th, td { padding: 15px 16px; border-bottom: 1px solid rgba(255,255,255,.075); text-align: left; color: var(--soft); font-size: 13px; line-height: 1.45; }
th { color: #fff; background: rgba(255,255,255,.055); font-size: 11px; letter-spacing: .06em; text-transform: uppercase; }
tbody tr:last-child td { border-bottom: 0; }
tbody tr:hover { background: rgba(255,255,255,.025); }
td strong { color: #fff; }
.tips-card ol { margin: 24px 0 0; padding: 0; list-style: none; }
.tips-card li { display: grid; grid-template-columns: 32px 1fr; gap: 12px; padding: 16px 0; border-bottom: 1px solid rgba(255,255,255,.075); }
.tips-card li:last-child { border-bottom: 0; }
.tips-card li > span { width: 30px; height: 30px; display: grid; place-items: center; border-radius: 10px; color: #c8b9ff; background: rgba(139,92,246,.13); font-size: 12px; font-weight: 800; }
.tips-card li p { margin: 0; color: var(--muted); font-size: 13px; line-height: 1.55; }
.tips-card li strong { display: block; margin-bottom: 4px; color: #fff; font-size: 14px; }

.faq-section { max-width: 900px; }
.faq-list { display: grid; gap: 10px; }
details { padding: 0 20px; }
summary { min-height: 68px; display: flex; align-items: center; justify-content: space-between; gap: 20px; cursor: pointer; list-style: none; font-weight: 700; }
summary::-webkit-details-marker { display: none; }
summary b { color: var(--muted); font-size: 22px; font-weight: 400; transition: transform .2s ease; }
details[open] { border-color: rgba(139,92,246,.3); background: rgba(139,92,246,.055); }
details[open] summary b { transform: rotate(45deg); }
details p { max-width: 760px; padding: 0 34px 19px 0; }

.support-banner { padding: clamp(26px, 5vw, 48px); display: flex; align-items: center; justify-content: space-between; gap: 32px; border: 1px solid rgba(139,92,246,.34); border-radius: var(--radius-lg); background: linear-gradient(120deg, rgba(113,76,224,.25), rgba(32,112,186,.1)); box-shadow: var(--shadow); overflow: hidden; }
.support-banner > div { max-width: 650px; }
.support-banner p:not(.eyebrow) { margin: 12px 0 0; color: var(--muted); line-height: 1.65; }
.btn { min-height: 52px; padding: 0 21px; flex: 0 0 auto; display: inline-flex; align-items: center; justify-content: center; gap: 10px; border-radius: 14px; color: #fff; background: linear-gradient(145deg, #8b5cf6, #4669e9); box-shadow: 0 14px 38px rgba(89,62,204,.3); font-size: 14px; font-weight: 800; transition: transform .2s ease, box-shadow .2s ease; }
.btn:hover { transform: translateY(-2px); box-shadow: 0 18px 44px rgba(89,62,204,.38); }

.footer { width: min(var(--content), calc(100% - var(--gutter) * 2)); margin: 30px auto 90px; padding: 26px 0; display: grid; grid-template-columns: auto 1fr auto; align-items: center; gap: 28px; color: var(--muted); border-top: 1px solid rgba(255,255,255,.075); font-size: 12px; }
.footer p { max-width: 500px; margin: 0; line-height: 1.6; }
.footer-logo { width: clamp(170px, 19vw, 230px); }
.whatsapp { position: fixed; right: 20px; bottom: 20px; z-index: 40; width: 54px; height: 54px; display: grid; place-items: center; border: 1px solid rgba(255,255,255,.2); border-radius: 17px; color: #fff; background: linear-gradient(145deg, #25d366, #149c4a); box-shadow: 0 16px 45px rgba(27,190,86,.3); font-size: 11px; font-weight: 800; transition: transform .2s ease; }
.whatsapp:hover { transform: translateY(-3px); }

:focus-visible { outline: 3px solid rgba(82,201,246,.8); outline-offset: 3px; }

@media (max-width: 1040px) {
  .brand-logo { width: clamp(180px, 23vw, 240px); }
  .brand-tagline { display: none; }
  .nav a { padding-inline: 8px; font-size: 12px; }
  .product-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .card { min-height: 260px; }
  .product-card { min-height: 220px; }
  .split { grid-template-columns: 1fr; }
  .tips-card ol { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); column-gap: 24px; }
}

@media (max-width: 820px) {
  .site-header { top: 10px; margin-top: 10px; }
  .menu-toggle { width: 44px; height: 44px; padding: 0; display: grid; place-content: center; gap: 5px; border: 1px solid rgba(255,255,255,.12); border-radius: 13px; color: #fff; background: rgba(255,255,255,.055); cursor: pointer; }
  .menu-toggle span { width: 19px; height: 2px; border-radius: 2px; background: currentColor; transition: transform .2s ease, opacity .2s ease; }
  .menu-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .menu-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
  .menu-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
  .nav { position: absolute; top: calc(100% + 9px); left: 0; right: 0; padding: 10px; display: grid; gap: 3px; border: 1px solid var(--border); border-radius: 18px; background: rgba(8,11,19,.97); box-shadow: var(--shadow); -webkit-backdrop-filter: blur(20px); backdrop-filter: blur(20px); opacity: 0; visibility: hidden; transform: translateY(-8px); transition: opacity .2s ease, transform .2s ease, visibility .2s; }
  .nav.open { opacity: 1; visibility: visible; transform: translateY(0); }
  .nav a { padding: 12px 13px; font-size: 14px; }
  .nav .nav-cta { margin: 4px 0 0; text-align: center; }
  .guide-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .hero { padding-top: 12px; }
  .hero h1 { font-size: clamp(40px, 8vw, 60px); }
  .footer { grid-template-columns: 1fr auto; }
  .footer p { display: none; }
}

@media (max-width: 600px) {
  :root { --gutter: 15px; --radius-lg: 22px; }
  html { scroll-padding-top: 90px; }
  .site-header { min-height: 62px; padding: 9px 10px 9px 12px; border-radius: 17px; }
  .brand-logo-link { max-width: calc(100% - 58px); }
  .brand-logo { width: clamp(160px, 48vw, 215px); }
  .hero { margin-top: 8px; margin-bottom: 6px; padding: 10px 0 12px; }
  .pill { padding: 7px 11px; font-size: 11px; }
  .hero h1 { margin-top: 13px; font-size: clamp(36px, 11vw, 48px); line-height: 1.02; }
  .search-box { min-height: 50px; padding: 4px 5px 4px 13px; gap: 9px; border-radius: 14px; }
  .search-box input { font-size: 14px; }
  .search-box button { width: 40px; height: 40px; border-radius: 10px; }
  .stats { gap: 8px; }
  .stats div { min-height: 78px; padding: 11px 6px; }
  .stats strong { font-size: 18px; }
  .stats small { font-size: 10px; }
  .glass-panel { padding: 20px; }
  .section-head { align-items: flex-start; flex-direction: column; gap: 10px; margin-bottom: 20px; }
  .product-grid, .guide-grid, .subproducts { grid-template-columns: 1fr; }
  .guide-category-tabs { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 8px; }
  .guide-category-tab { min-height: 54px; padding: 7px 9px; justify-content: flex-start; }
  .guide-tab-icon { width: 31px; height: 31px; border-radius: 9px; }
  .guide-category-panel .guide-grid { grid-template-columns: 1fr; }
  .guide-product-selector { gap: 7px; }
  .guide-product-selector button { flex: 1 1 calc(50% - 7px); }
  .installer-panel { padding: 15px; }
  .installer-list { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .installer-list > .installer-item:only-child { grid-column: 1 / -1; }
  .card { min-height: auto; padding: 20px; }
  .product-card { min-height: 216px; padding: 14px 15px 16px; }
  .tips-card ol { grid-template-columns: 1fr; }
  .table-wrap { overflow: visible; border: 0; }
  table, tbody, tr, td { display: block; width: 100%; min-width: 0; }
  thead { display: none; }
  tbody { display: grid; gap: 12px; }
  tr { padding: 13px 15px; border: 1px solid rgba(255,255,255,.09); border-radius: 15px; background: rgba(255,255,255,.025); }
  td { padding: 8px 0; display: grid; grid-template-columns: 105px 1fr; gap: 12px; border-bottom: 1px solid rgba(255,255,255,.06); }
  td:last-child { border-bottom: 0; }
  td::before { content: attr(data-label); color: var(--muted); font-size: 10px; font-weight: 700; letter-spacing: .07em; text-transform: uppercase; }
  .support-banner { padding: 25px 20px; align-items: stretch; flex-direction: column; }
  .btn { width: 100%; }
  .footer { margin-bottom: 82px; grid-template-columns: 1fr; gap: 16px; text-align: center; }
  .footer-brand { justify-self: center; }
  .whatsapp { right: 15px; bottom: 15px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { scroll-behavior: auto !important; transition-duration: .01ms !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; }
}

@media (prefers-contrast: more) {
  :root { --muted: #c1c7d5; --border: rgba(255,255,255,.25); }
}


/* Mejoras V1: filtros, legibilidad y adaptación táctil */
.quick-filters { max-width: 760px; margin: 16px auto 0; display: flex; justify-content: center; flex-wrap: wrap; gap: 9px; }
.filter-chip { min-height: 40px; padding: 0 15px; border: 1px solid rgba(255,255,255,.1); border-radius: 999px; color: var(--soft); background: rgba(255,255,255,.035); cursor: pointer; font-size: 13px; font-weight: 700; transition: border-color .2s ease, background-color .2s ease, color .2s ease, transform .2s ease; }
.filter-chip:hover { transform: translateY(-1px); border-color: rgba(139,92,246,.45); color: #fff; }
.filter-chip.active { border-color: rgba(139,92,246,.62); color: #fff; background: rgba(139,92,246,.16); box-shadow: inset 0 1px 0 rgba(255,255,255,.08); }
.searchable[hidden] { display: none !important; }
.whatsapp-link[aria-disabled="true"] { opacity: .72; cursor: help; }
.card, .guide { content-visibility: auto; contain-intrinsic-size: 280px; }
@media (hover: none) { .card:hover, .guide:hover, .btn:hover, .whatsapp:hover, .filter-chip:hover { transform: none; } }
@media (max-width: 600px) {
  .quick-filters { justify-content: flex-start; flex-wrap: nowrap; overflow-x: auto; padding: 2px 2px 8px; scroll-snap-type: x proximity; scrollbar-width: none; }
  .quick-filters::-webkit-scrollbar { display: none; }
  .filter-chip { flex: 0 0 auto; scroll-snap-align: start; }
  .hero h1 { letter-spacing: -.045em; }
  .page-glow { background: radial-gradient(circle at 20% 4%, rgba(70,77,255,.22), transparent 27%), radial-gradient(circle at 90% 8%, rgba(159,75,255,.15), transparent 25%), linear-gradient(180deg,#060810 0%,#090b17 48%,#060810 100%); }
  .grid-bg { opacity: .42; }
  .glass-panel { -webkit-backdrop-filter: blur(10px); backdrop-filter: blur(10px); }
}


/* V2: identidad Softlutions365 y refinamientos visuales */
.site-header::after { content: ""; position: absolute; inset: auto 18px 0; height: 1px; background: linear-gradient(90deg, transparent, rgba(139,92,246,.45), rgba(66,199,245,.35), transparent); opacity: .7; }
.card, .guide { isolation: isolate; overflow: hidden; }
.card::before, .guide::before { content: ""; position: absolute; inset: 0; z-index: -1; pointer-events: none; background: radial-gradient(circle at 0 0, rgba(139,92,246,.10), transparent 42%); opacity: 0; transition: opacity .22s ease; }
.card:hover::before, .guide:hover::before { opacity: 1; }
.card, .guide { position: relative; }
.footer-brand { justify-self: start; }
@media (max-width: 820px) { .site-header { min-height: 72px; } }
@media (max-width: 600px) {
  .site-header { min-height: 64px; }
  .brand-logo { filter: drop-shadow(0 5px 16px rgba(0,0,0,.28)); }
  .site-header::after { inset-inline: 12px; }
  .footer-logo { width: 175px; }
}
@media (prefers-reduced-motion: reduce) { .card::before, .guide::before { transition: none; } }

/* V3: páginas de guía y navegación de contenido */
.guide-link{display:inline-flex;margin-top:auto;padding-top:18px;color:#cbbcff;font-size:13px;font-weight:800}
.guide-page .site-header{position:relative}.guide-header{margin-bottom:0}.back-link{padding:10px 13px;border-radius:12px;color:var(--soft);font-size:13px;font-weight:700}.back-link:hover{background:rgba(255,255,255,.06);color:#fff}
.guide-shell{position:relative;z-index:1;width:min(880px,calc(100% - var(--gutter)*2));margin:48px auto 80px}.breadcrumbs{display:flex;gap:9px;flex-wrap:wrap;color:var(--muted);font-size:12px}.breadcrumbs a:hover{color:#fff}.guide-shell h1{max-width:820px;margin:18px 0 18px;font-size:clamp(40px,7vw,68px);line-height:1.02;letter-spacing:-.05em}.guide-lead{max-width:720px;color:var(--soft);font-size:18px;line-height:1.75}.notice{margin:30px 0;padding:18px 20px;border:1px solid rgba(66,199,245,.22);border-radius:16px;background:rgba(66,199,245,.06);color:var(--soft);line-height:1.65}.steps-list{display:grid;gap:14px;margin-top:28px}.step-card{display:grid;grid-template-columns:52px 1fr;gap:18px;padding:24px;border:1px solid var(--border);border-radius:20px;background:var(--surface);box-shadow:0 18px 45px rgba(0,0,0,.18)}.step-card>span{width:42px;height:42px;display:grid;place-items:center;border-radius:13px;background:rgba(139,92,246,.15);color:#d8ceff;font-weight:800}.step-card h2{margin:0 0 8px;font-size:20px}.step-card p{margin:0;color:var(--muted);line-height:1.7}.guide-help{margin-top:30px;padding:28px;border:1px solid rgba(139,92,246,.3);border-radius:22px;background:linear-gradient(120deg,rgba(113,76,224,.18),rgba(32,112,186,.08))}.guide-help h2{margin-top:0}.guide-help p{color:var(--muted);line-height:1.7}.guide-footer{margin-top:30px}
@media(max-width:600px){.guide-header .brand-logo{width:170px}.back-link{font-size:0}.back-link::after{content:'← Volver';font-size:13px}.guide-shell{margin-top:34px}.guide-shell h1{font-size:40px}.guide-lead{font-size:16px}.step-card{grid-template-columns:1fr;padding:20px}.guide-help{padding:22px}}

/* V4: producción, legales y SEO */
.legal-links{display:flex;gap:14px;justify-self:end}.legal-links a:hover{color:#fff}.legal-page .step-card{margin-top:14px}.legal-page .step-card>div{grid-column:1/-1}@media(max-width:820px){.footer{grid-template-columns:1fr}.legal-links{justify-self:center}}@media print{.page-glow,.grid-bg,.site-header,.footer,.btn{display:none!important}.guide-shell{width:100%;margin:0}.step-card{box-shadow:none;color:#000;background:#fff;border-color:#ccc}body{background:#fff;color:#000}.guide-lead,.step-card p{color:#333}}