@font-face { font-family: "Barlow Condensed"; src: url("assets/fonts/barlow-condensed-500.woff2") format("woff2"); font-style: normal; font-weight: 500; font-display: swap; }
@font-face { font-family: "Barlow Condensed"; src: url("assets/fonts/barlow-condensed-700.woff2") format("woff2"); font-style: normal; font-weight: 700; font-display: swap; }
@font-face { font-family: "Barlow Condensed"; src: url("assets/fonts/barlow-condensed-800-italic.woff2") format("woff2"); font-style: italic; font-weight: 800; font-display: swap; }
@font-face { font-family: "Barlow Condensed"; src: url("assets/fonts/barlow-condensed-900-italic.woff2") format("woff2"); font-style: italic; font-weight: 900; font-display: swap; }
@font-face { font-family: "Inter"; src: url("assets/fonts/inter-400.woff2") format("woff2"); font-style: normal; font-weight: 400; font-display: swap; }
@font-face { font-family: "Inter"; src: url("assets/fonts/inter-500.woff2") format("woff2"); font-style: normal; font-weight: 500; font-display: swap; }
@font-face { font-family: "Inter"; src: url("assets/fonts/inter-600.woff2") format("woff2"); font-style: normal; font-weight: 600; font-display: swap; }
@font-face { font-family: "Inter"; src: url("assets/fonts/inter-700.woff2") format("woff2"); font-style: normal; font-weight: 700; font-display: swap; }

:root {
  --red: #ed241c;
  --red-hot: #ff392f;
  --blue: #0769ff;
  --blue-bright: #1395ff;
  --navy: #06101f;
  --navy-2: #09182c;
  --black: #03070d;
  --white: #ffffff;
  --paper: #f4f6f9;
  --ink: #081222;
  --muted: #687486;
  --line: rgba(255,255,255,.14);
  --line-dark: #d9dee6;
  --max: 1240px;
  --shadow: 0 22px 60px rgba(2,12,28,.14);
}

* { box-sizing: border-box; }
html {
  scroll-behavior: smooth;
  scroll-padding-top: 100px;
}
main section[id] { scroll-margin-top: 100px; }
body { margin: 0; min-width: 320px; background: var(--black); color: var(--ink); font-family: Inter, system-ui, sans-serif; overflow-x: hidden; }
body.menu-open { overflow: hidden; }
img { display: block; max-width: 100%; }
a { color: inherit; }
button, input { font: inherit; }
button { cursor: pointer; }
.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; }
.skip-link { position: fixed; z-index: 2000; left: 1rem; top: -4rem; padding: .8rem 1rem; background: var(--white); color: var(--ink); text-decoration: none; }
.skip-link:focus { top: 1rem; }
.container { width: min(var(--max), calc(100% - 48px)); margin-inline: auto; }

h1, h2, h3, .product-tab, .button, .standard-category, .section-transition, .promise-number {
  font-family: "Barlow Condensed", Impact, sans-serif;
}
h1, h2, h3 { margin: 0; text-transform: uppercase; font-weight: 800; font-style: italic; letter-spacing: -.025em; }
h1 { font-size: clamp(4.1rem, 7.5vw, 8.4rem); line-height: .78; }
h2 { font-size: clamp(3.1rem, 5.2vw, 5.7rem); line-height: .88; }
h3 { font-size: clamp(1.55rem, 2vw, 2.15rem); line-height: .95; }
p { line-height: 1.65; }
.lead { font-size: 1.05rem; color: #b5c0ce; }
.eyebrow { margin: 0 0 1rem; color: var(--red-hot); font-size: .82rem; font-weight: 800; letter-spacing: .19em; text-transform: uppercase; }
.section-dark { position: relative; background: var(--black); color: var(--white); }
.section-navy { position: relative; background: linear-gradient(145deg, #030912, #06142a 62%, #030912); color: var(--white); }
.section-soft { background: #edf1f6; }
.technical-note { margin: 1rem 0 0; color: #7f8b9a; font-size: .78rem; }

.button { display: inline-flex; min-height: 52px; align-items: center; justify-content: center; gap: .8rem; padding: 0 1.4rem; border: 1px solid transparent; color: var(--white); font-size: 1.05rem; font-weight: 700; letter-spacing: .055em; text-decoration: none; text-transform: uppercase; transition: transform .22s ease, border-color .22s ease, background .22s ease, color .22s ease, box-shadow .22s ease; }
.button:hover { transform: translateY(-2px); }
.button span { font-family: Inter, sans-serif; font-size: 1.1rem; }
.button-red { background: linear-gradient(135deg, var(--red), #c41214); border-color: var(--red); box-shadow: 0 12px 35px rgba(237,36,28,.22); }
.button-red:hover { background: var(--red-hot); border-color: var(--red-hot); box-shadow: 0 16px 42px rgba(237,36,28,.32); }
.button-outline { border-color: rgba(255,255,255,.48); background: rgba(2,8,16,.35); }
.button-outline:hover { border-color: var(--white); }
.button-outline-blue { border-color: var(--blue-bright); background: rgba(0,74,190,.08); }
.button-outline-blue:hover { background: rgba(7,105,255,.2); }
.button-dark { border-color: var(--ink); background: var(--ink); }
.button-dark:hover { background: #15233a; }
.button-small { min-height: 42px; padding-inline: 1rem; font-size: .9rem; }
.button-row { display: flex; gap: .8rem; flex-wrap: wrap; margin-top: 2rem; }

.site-header { position: fixed; z-index: 1000; inset: 0 0 auto; background: linear-gradient(180deg, rgba(2,7,13,.98), rgba(2,7,13,.72)); color: var(--white); border-bottom: 1px solid rgba(255,255,255,.1); backdrop-filter: blur(12px); transition: background .25s ease, box-shadow .25s ease; }
.site-header.is-scrolled { background: #02070d; border-bottom: 1px solid #0a1d33; box-shadow: 0 14px 36px rgba(0,0,0,.42); backdrop-filter: none; }
.header-inner { min-height: 76px; display: flex; align-items: center; justify-content: space-between; gap: 2rem; }
.brand { display: inline-flex; align-items: center; gap: .55rem; color: var(--white); text-decoration: none; }
.brand-logo { display: block; width: 100%; height: auto; }
.main-nav { display: flex; align-items: center; gap: 1.7rem; }
.main-nav > a:not(.button) { position: relative; color: #c7d0dc; font-size: .77rem; font-weight: 700; letter-spacing: .08em; text-decoration: none; text-transform: uppercase; }
.main-nav > a:not(.button)::after { content: ""; position: absolute; left: 0; right: 100%; bottom: -.6rem; height: 2px; background: var(--red); transition: right .22s ease; }
.main-nav > a:not(.button):hover { color: var(--white); }
.main-nav > a:not(.button):hover::after { right: 0; }
.main-nav > a:not(.button).is-active { color: var(--white); }
.main-nav > a:not(.button).is-active::after { right: 0; }
.menu-toggle { display: none; width: 46px; height: 42px; padding: 10px; border: 1px solid rgba(255,255,255,.2); background: transparent; }
.menu-toggle > span:not(.sr-only) { display: block; height: 2px; margin: 5px 0; background: var(--white); transition: transform .22s ease, opacity .22s ease; }

.hero { position: relative; min-height: 920px; padding: 150px 0 0; overflow: hidden; background: radial-gradient(circle at 72% 33%, #113f75 0, #0a1a31 20%, #040a12 52%, #02060b 76%); color: var(--white); isolation: isolate; }
.hero::before { content: ""; position: absolute; z-index: -2; inset: 0; background: linear-gradient(90deg, rgba(2,6,11,.99) 0, rgba(2,6,11,.86) 40%, rgba(2,6,11,.16) 72%), linear-gradient(0deg, #03070d, transparent 38%); }
.hero-grid { display: grid; grid-template-columns: 1.03fr .97fr; align-items: center; gap: 1rem; }
.hero-copy { position: relative; z-index: 2; padding-bottom: 4rem; }
.hero h1 span, .hero h1 em { display: block; }
.hero h1 span:nth-child(2) { color: transparent; -webkit-text-stroke: 1px rgba(255,255,255,.75); }
.hero h1 em { color: var(--red); font-style: italic; }
.hero-intro { max-width: 570px; margin: 2rem 0 0; color: #aeb9c7; font-size: 1.02rem; }
.hero-media { position: relative; align-self: stretch; display: flex; align-items: center; min-height: 620px; }
.hero-media img { position: relative; z-index: 1; width: 118%; max-width: none; margin-left: -13%; filter: saturate(1.12) contrast(1.05); mask-image: linear-gradient(90deg, transparent 0, #000 18%); }
.hero-glow { position: absolute; width: 75%; aspect-ratio: 1; left: 18%; top: 18%; border-radius: 50%; background: rgba(7,105,255,.27); filter: blur(70px); }
.hero-spec { position: absolute; z-index: 2; right: 0; bottom: 12%; padding: .9rem 1.2rem; border-left: 3px solid var(--red); background: rgba(2,7,13,.76); backdrop-filter: blur(10px); text-transform: uppercase; }
.hero-spec span { display: block; color: #93a1b2; font-size: .66rem; letter-spacing: .12em; }
.hero-spec strong { font-family: "Barlow Condensed", sans-serif; font-size: 1.65rem; }
.trust-bar { position: absolute; bottom: 0; left: 50%; transform: translateX(-50%); display: grid; grid-template-columns: repeat(3, 1fr); background: rgba(243,246,249,.96); color: var(--ink); box-shadow: 0 -8px 40px rgba(0,0,0,.16); }
.trust-bar article { display: flex; gap: 1rem; align-items: center; min-height: 112px; padding: 1.4rem 1.8rem; border-right: 1px solid #d8dde5; }
.trust-bar article:last-child { border-right: 0; }
.trust-bar article > span { color: var(--red); font-family: "Barlow Condensed", sans-serif; font-size: 2.1rem; font-style: italic; font-weight: 800; }
.trust-bar strong, .trust-bar small { display: block; }
.trust-bar strong { font-family: "Barlow Condensed", sans-serif; font-size: 1.25rem; text-transform: uppercase; }
.trust-bar small { margin-top: .3rem; color: var(--muted); }

.promise { overflow: hidden; }
.promise-grid { display: grid; grid-template-columns: 1.03fr .97fr; min-height: 820px; }
.promise-copy { display: flex; flex-direction: column; justify-content: center; max-width: 670px; padding: 7rem 4rem 7rem max(2rem, calc((100vw - var(--max)) / 2)); background: radial-gradient(circle at 100% 20%, rgba(7,105,255,.13), transparent 35%), linear-gradient(140deg, #030812, #06152b); }
.promise-copy h2 { max-width: 680px; }
.promise-copy .lead { max-width: 570px; }
.promise-list { margin: 2rem 0; }
.promise-list article { display: grid; grid-template-columns: 58px 1fr; gap: 1rem; padding: 1.15rem 0; border-bottom: 1px solid rgba(19,149,255,.35); }
.promise-number { color: var(--red); font-size: 2rem; font-style: italic; font-weight: 800; }
.promise-list h3 { font-size: 1.65rem; }
.promise-list p { margin: .25rem 0 0; color: #a7b2c0; }
.promise-copy .button { align-self: flex-start; }
.promise-media { position: relative; min-height: 680px; overflow: hidden; }
.promise-media::after { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, #06152b 0, transparent 18%); }
.promise-media img { width: 100%; height: 100%; object-fit: cover; object-position: center; }

/* Portada de campaña */
.site-header { background: linear-gradient(180deg, rgba(1,5,12,.92), rgba(1,5,12,.34), transparent); border-bottom: 0; backdrop-filter: none; }
.header-inner { min-height: 86px; }
.brand { width: 225px; min-width: 225px; margin-left: 52px; }
.main-nav { flex: 1; justify-content: flex-end; gap: clamp(1.35rem, 2.2vw, 2.5rem); }
.main-nav > a:not(.button) { color: #fff; font-family: "Barlow Condensed", sans-serif; font-size: 1.08rem; letter-spacing: .055em; }
.nav-actions { display: flex; align-items: center; gap: .85rem; }
.main-nav .nav-buy,
.main-nav .nav-whatsapp { min-height: 40px; border: 0; font-size: .92rem; box-shadow: none; }
.main-nav .nav-buy { width: 106px; min-width: 106px; border-radius: 8px; background: #ff0b12; }
.main-nav .nav-buy:hover { background: #e8070e; }
.main-nav .nav-whatsapp { width: 190px; min-width: 190px; gap: .5rem; border-radius: 999px; background: #20d56b; }
.main-nav .nav-whatsapp:hover { background: #16bd5b; }
.nav-whatsapp-icon { width: 18px; height: 18px; flex: 0 0 18px; filter: brightness(0) invert(1); }
.main-nav .nav-whatsapp > span:last-child { font-family: "Barlow Condensed", sans-serif; font-size: inherit; }

.hero { min-height: 692px; padding: 110px 0 104px; background: #020711; }
.hero::before { z-index: -1; background: linear-gradient(90deg, rgba(1,5,12,.98) 0, rgba(1,5,12,.9) 29%, rgba(1,5,12,.36) 52%, rgba(1,5,12,.05) 100%), linear-gradient(135deg, rgba(0,87,196,.25), transparent 34%); }
.hero-grid { display: block; }
.hero-copy { width: 59%; padding: 0 0 1rem clamp(1rem, 2.2vw, 2.25rem); }
.hero .eyebrow { position: relative; display: inline-flex; align-items: center; margin-bottom: 1.55rem; padding: .2rem 0 .48rem; overflow: visible; border: 0; border-radius: 0; background: none; box-shadow: none; clip-path: none; color: #fff; font-family: "Barlow Condensed", sans-serif; font-size: .95rem; font-style: normal; letter-spacing: .15em; text-shadow: 0 2px 12px rgba(0,0,0,.65); animation: none; }
.hero .eyebrow::before { content: none; }
.hero .eyebrow::after { content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: 2px; pointer-events: none; background-image: linear-gradient(90deg, #168fff 0 54%, rgba(255,255,255,.34) 54% 78%, transparent 100%), linear-gradient(90deg, transparent 0, rgba(255,255,255,.1) 30%, #fff 48%, #168fff 58%, transparent 78%); background-position: 0 0, -55% 0; background-repeat: no-repeat; background-size: 100% 100%, 34% 100%; filter: drop-shadow(0 0 3px rgba(22,143,255,.28)); transform: none; animation: eyebrow-line-scan 2.8s ease-in-out infinite; }

@keyframes eyebrow-glow {
  0%, 100% { border-color: rgba(255,255,255,.28); box-shadow: 0 0 0 rgba(255,16,24,0); }
  50% { border-color: rgba(255,255,255,.42); box-shadow: 0 0 18px rgba(255,16,24,.09); }
}
@keyframes eyebrow-dot-pulse {
  0%, 100% { transform: scale(.9); box-shadow: 0 0 7px rgba(255,16,24,.4); }
  50% { transform: scale(1.18); box-shadow: 0 0 17px rgba(255,16,24,.85); }
}
@keyframes eyebrow-shine {
  0%, 24% { transform: translateX(-180%) skewX(-18deg); opacity: 0; }
  38% { opacity: 1; }
  58%, 100% { transform: translateX(760%) skewX(-18deg); opacity: 0; }
}
@keyframes eyebrow-line-scan {
  0%, 12% { background-position: 0 0, -55% 0; filter: drop-shadow(0 0 2px rgba(22,143,255,.16)); }
  72%, 100% { background-position: 0 0, 155% 0; filter: drop-shadow(0 0 5px rgba(22,143,255,.5)); }
}
.hero h1 { font-size: clamp(4.35rem, 6vw, 6.35rem); line-height: .92; text-shadow: 0 5px 12px rgba(0,0,0,.35); }
.hero h1 span { white-space: nowrap; }
.hero h1 .hero-title-outline { color: transparent; -webkit-text-stroke: 2px #526ee2; text-shadow: 0 0 12px rgba(82,110,226,.16); }
.hero h1 .hero-title-red { color: #ff0000; }
.hero-intro { max-width: 570px; margin-top: 1.3rem; color: #c5c9d2; font-size: 1.03rem; line-height: 1.5; }
.hero .button-row { margin-top: 1.45rem; gap: 1.2rem; }
.hero .button { min-height: 54px; padding-inline: 1.15rem; font-size: 1.02rem; clip-path: polygon(4% 0, 100% 0, 96% 100%, 0 100%); }
.hero .button-red { width: 156px; border-color: #ff0000; background: #ff0000; box-shadow: none; }
.hero .button-red:hover,
.hero .button-red:focus-visible { color: #fff; border-color: #0066d6; background: #001b46; box-shadow: 0 0 22px rgba(0,102,214,.3); }
.hero .button-outline { width: 188px; border-color: rgba(255,255,255,.2); background: rgba(31,30,38,.62); }
.hero .button-outline:hover,
.hero .button-outline:focus-visible { color: #00b968; border-color: #00b968; background: rgba(0,185,104,.08); box-shadow: 0 0 20px rgba(0,185,104,.12); }
.hero-media { position: absolute; z-index: -2; inset: 0 0 108px; min-height: 0; display: block; overflow: hidden; background: #020711; }
.hero-media img { width: 100%; height: 100%; max-width: none; margin: 0; object-fit: contain; object-position: right center; filter: saturate(1.06) contrast(1.04); mask-image: none; }
.hero-glow, .hero-spec { display: none; }
.hero-color-lines { position: absolute; z-index: 3; right: 0; bottom: 104px; left: 0; display: grid; grid-template-columns: repeat(3, 1fr); height: 5px; opacity: 1; background: none; box-shadow: none; }
.hero-color-lines span:nth-child(1) { background: #ff1018; }
.hero-color-lines span:nth-child(2) { background: #168fff; }
.hero-color-lines span:nth-child(3) { background: #20d56b; }
.hero-color-lines::after { display: none; }
.trust-bar { left: 0; right: 0; width: 100%; max-width: none; margin-inline: 0; padding-inline: 0; transform: none; overflow: hidden; background: linear-gradient(180deg, #f4f7fb 0%, #dce7f2 68%, #b9ccdf 100%); color: #081426; border: 0; box-shadow: 0 -8px 30px rgba(0,0,0,.15); }
.trust-bar::before { content: ""; position: absolute; z-index: 0; inset: 0; background: linear-gradient(118deg, rgba(255,255,255,.52) 0 14%, transparent 14.2% 27%, rgba(5,41,82,.12) 27.2% 35%, transparent 35.2% 49%, rgba(255,255,255,.44) 49.2% 61%, transparent 61.2% 72%, rgba(5,41,82,.1) 72.2% 81%, transparent 81.2%), repeating-linear-gradient(135deg, transparent 0 34px, rgba(8,49,94,.035) 35px 36px); pointer-events: none; }
.trust-bar::after { display: none; }
.trust-bar article { position: relative; min-height: 104px; padding: 1.05rem clamp(1.5rem, 3vw, 3rem); overflow: hidden; border-top: 0; border-right-color: #cbd5e2; background: transparent; }
.trust-bar article:nth-child(1),
.trust-bar article:nth-child(2),
.trust-bar article:nth-child(3) { background: transparent; }
.trust-bar article::after { display: none; }
.trust-bar article > div,
.trust-bar article > span { position: relative; z-index: 1; }
.trust-bar article > span { flex: 0 0 54px; display: grid; width: 54px; height: 58px; place-items: center; border: 0; border-radius: 0; clip-path: none; background: transparent; box-shadow: none; }
.trust-bar article > span img { display: block; width: auto; height: 58px; object-fit: contain; filter: none; }
.trust-bar .trust-protection > span img { height: 58px; }
.trust-bar .trust-temperature > span img { height: 58px; }
.trust-bar .trust-road > span img { width: 72px; height: 56px; max-width: none; }
.trust-bar .trust-road > span { flex-basis: 76px; width: 76px; margin-right: .55rem; }
.trust-bar .trust-protection > span::after,
.trust-bar .trust-temperature > span::before,
.trust-bar .trust-temperature > span::after { display: none; }
.trust-road-mark { position: relative; display: block; width: 48px; height: 48px; overflow: hidden; background: #081426; clip-path: polygon(28% 0, 72% 0, 100% 100%, 0 100%); }
.trust-road-mark::before { content: ""; position: absolute; top: 0; bottom: 0; left: 19px; width: 10px; background: #f5f7fa; clip-path: polygon(38% 0, 62% 0, 100% 100%, 0 100%); }
.trust-road-mark::after { content: ""; position: absolute; top: 8px; left: 23px; width: 3px; height: 9px; background: #f01822; box-shadow: 0 15px 0 #f5f7fa, 0 29px 0 #f5f7fa; }
.trust-bar .trust-protection strong,
.trust-bar .trust-temperature strong,
.trust-bar .trust-road strong { color: #081426; }
.trust-bar strong { font-size: 1.28rem; font-style: normal; letter-spacing: .02em; }
.trust-bar small { max-width: 280px; margin-top: .28rem; color: #566579; font-size: .72rem; line-height: 1.4; }

.promise { padding: 1.1rem 0 1.5rem; background: linear-gradient(115deg, #03142d, #021027 50%, #031936); }
.promise-grid { grid-template-columns: 250px 1fr; gap: 1.4rem; min-height: 238px; align-items: center; }
.promise-copy { display: block; max-width: none; padding: 0; background: none; }
.promise-copy h2 { color: #fff; font-size: 3rem; line-height: .88; }
.promise-copy h2 em { color: var(--red); }
.promise-accent { display: block; width: 54px; height: 3px; margin-top: 1rem; background: var(--red); }
.promise-benefits { display: grid; grid-template-columns: repeat(3, 1fr); gap: .9rem; }
.benefit-card { position: relative; min-height: 214px; overflow: hidden; border: 1px solid #0876c9; background: #041326; box-shadow: inset 0 0 0 1px rgba(0,174,255,.08); }
.benefit-card::before { content: ""; position: absolute; z-index: 1; top: 0; left: 0; width: 29%; height: 47%; border-right: 1px solid rgba(0,143,226,.72); background: linear-gradient(140deg, rgba(1,15,34,.97), rgba(2,25,54,.82)); transform: skewX(-29deg); transform-origin: top left; }
.benefit-card::after { content: ""; position: absolute; inset: 0; background: linear-gradient(0deg, rgba(2,10,23,.99) 0, rgba(2,10,23,.88) 28%, rgba(2,10,23,.3) 64%, rgba(2,10,23,.06) 100%); }
.benefit-card img { width: 100%; height: 100%; min-height: 214px; object-fit: cover; }
.benefit-card:nth-child(3) img { object-fit: cover; background: none; }
.benefit-card > .benefit-graphic { position: absolute; z-index: 3; top: .8rem; left: .45rem; display: grid; width: 46px; height: 50px; place-items: center; color: #ff1018; }
.benefit-card > .benefit-graphic img { width: 44px; height: 46px; min-height: 0; object-fit: contain; filter: brightness(0) saturate(100%) invert(14%) sepia(99%) saturate(6906%) hue-rotate(356deg) brightness(108%) contrast(121%); }
.benefit-card > .benefit-graphic--temperature { left: .15rem; }
.benefit-graphic--shield::after { content: ""; position: absolute; width: 23px; height: 27px; border: 2px solid #ff1018; border-top-width: 3px; border-radius: 5px 5px 12px 12px; clip-path: polygon(50% 0, 100% 18%, 88% 75%, 50% 100%, 12% 75%, 0 18%); opacity: .9; }
.benefit-graphic--temperature::before,
.benefit-graphic--temperature::after { content: ""; position: absolute; left: 34px; width: 8px; height: 2px; background: #ff1018; box-shadow: 0 7px 0 #ff1018, 0 14px 0 #ff1018; }
.benefit-graphic--temperature::before { top: 12px; }
.benefit-graphic--temperature::after { display: none; }
.catalog-oil-drop { position: relative; display: block; width: 35px; height: 46px; background: #ff1018; clip-path: polygon(50% 0, 63% 18%, 82% 44%, 94% 65%, 98% 76%, 94% 88%, 83% 97%, 68% 100%, 50% 100%, 32% 100%, 17% 97%, 6% 88%, 2% 76%, 6% 65%, 18% 44%, 37% 18%); }
.catalog-oil-drop::after { content: ""; position: absolute; inset: 4px; background: #06162e; clip-path: inherit; }
.benefit-graphic--oil::after { content: ""; position: absolute; left: 16px; bottom: 9px; z-index: 1; width: 14px; height: 8px; border-bottom: 3px solid #ff1018; border-radius: 0 0 50% 50%; transform: rotate(-8deg); }
.benefit-card > .benefit-copy { position: absolute; z-index: 2; inset: auto 1rem .75rem; }
.benefit-card h3 { font-size: 1.55rem; font-style: normal; }
.benefit-card p { margin: .35rem 0 0; color: #d3d9e1; font-size: .75rem; line-height: 1.4; }
.benefit-card p::after { content: ""; display: block; width: 44px; height: 3px; margin-top: .8rem; background: var(--red); }
.section-transition { min-height: 110px; display: flex; align-items: center; justify-content: center; gap: 2rem; padding: 1.5rem 2rem; background: linear-gradient(100deg, #020711, #082f76 48%, #020711); color: var(--white); font-size: clamp(1.8rem, 3vw, 3rem); font-style: italic; text-align: center; text-transform: uppercase; }
.section-transition span { width: min(10vw, 120px); height: 2px; background: linear-gradient(90deg, transparent, var(--blue-bright)); }
.section-transition span:last-child { background: linear-gradient(90deg, var(--red), transparent); }
.section-transition.compact { margin-top: 4rem; min-height: 92px; font-size: clamp(1.45rem, 2.5vw, 2.35rem); }
.section-transition.blue { margin-top: 5rem; }

.applications { position: relative; isolation: isolate; padding: 5.5rem 0 0; overflow: hidden; background-color: #031027; background-image: url("assets/applications-background-v3.webp"); background-position: center top; background-repeat: no-repeat; background-size: 100% 100%; }
.applications::before { content: ""; position: absolute; z-index: 0; inset: 0; pointer-events: none; background: linear-gradient(90deg, rgba(2,10,24,.78) 0%, rgba(2,10,24,.64) 48%, rgba(2,10,24,.48) 78%, rgba(2,10,24,.34) 100%); -webkit-mask-image: linear-gradient(180deg, #000 0%, #000 34%, transparent 66%); mask-image: linear-gradient(180deg, #000 0%, #000 34%, transparent 66%); }
.applications::after { content: none; }
.applications > .container,
.applications > .section-transition { position: relative; z-index: 1; }
.section-heading { max-width: 890px; margin-bottom: 3rem; }
.section-heading > p:not(.eyebrow) { max-width: 650px; color: #aab5c3; }
.section-heading small { color: #8190a3; }
.section-heading-dark h2 { color: var(--ink); }
.section-heading-dark > p:not(.eyebrow) { color: var(--muted); }
.applications .section-heading { margin-bottom: 1.6rem; }
.applications .section-heading h2 { font-size: clamp(3.4rem, 5.7vw, 6.3rem); text-shadow: 0 4px 18px rgba(0,0,0,.72); }
.applications .section-heading > p:not(.eyebrow) { max-width: 590px; margin: .8rem 0 0; color: #edf2f8; font-size: 1.25rem; line-height: 1.35; text-shadow: 0 2px 9px rgba(0,0,0,.8); }
.applications .section-heading small { display: block; color: #eef3f9; font-size: .85rem; text-shadow: 0 2px 8px rgba(0,0,0,.82); }
.applications-heading-accent { display: block; width: 52px; height: 4px; margin: 1rem 0 1.2rem; background: #ff1119; }
.applications-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.2rem; }
.application-card { position: relative; min-height: 0; aspect-ratio: .84; overflow: hidden; background: #020812; border: 1px solid #0986e8; border-radius: 4px; box-shadow: 0 28px 50px rgba(0,0,0,.28); transition: transform .3s ease, border-color .3s ease; }
.application-card:hover { transform: translateY(-6px); border-color: var(--blue-bright); }
.application-image { position: absolute; inset: 0; overflow: hidden; background: #020812; }
.application-image::before { content: ""; position: absolute; z-index: 1; top: 0; left: 0; width: 118px; height: 170px; background: linear-gradient(145deg, #06172f 0 66%, transparent 67%); border-right: 1px solid #0986e8; transform: skewX(-31deg); transform-origin: top left; }
.application-image::after { content: ""; position: absolute; z-index: 1; inset: 0; background: linear-gradient(180deg, transparent 0 41%, rgba(2,11,25,.1) 47%, rgba(2,11,25,.5) 59%, rgba(2,11,25,.82) 70%, rgba(2,8,18,.94) 84%, rgba(2,8,18,.97) 100%); pointer-events: none; }
.application-image > .application-photo { width: 100%; height: 100%; object-fit: cover; object-position: center top; transition: transform .5s ease; }
.application-card:hover .application-photo { transform: scale(1.035); }
.application-image > .application-number { position: absolute; z-index: 2; top: .85rem; left: 1.05rem; color: #f51c24; font-family: "Barlow Condensed", sans-serif; font-size: 3.25rem; font-style: italic; font-weight: 900; line-height: 1; text-shadow: 0 0 18px rgba(245,28,36,.18); }
.application-copy { position: relative; z-index: 2; display: flex; min-height: 100%; flex-direction: column; align-items: flex-start; justify-content: flex-end; padding: 1.25rem 1.35rem 1.3rem 2.75rem; background: transparent; }
.application-copy::before { content: ""; position: absolute; left: 0; bottom: 5.6rem; width: 58px; height: 74px; border-right: 1px solid #0986e8; transform: skewX(-31deg); transform-origin: bottom left; }
.application-copy h3 { position: relative; z-index: 1; font-size: 2rem; }
.application-copy p { position: relative; z-index: 1; margin: .3rem 0 .75rem; color: #e0e5ec; font-size: .9rem; }
.application-link { position: relative; z-index: 1; display: inline-flex; align-items: center; gap: .65rem; color: #ff1b23; font-family: "Barlow Condensed", sans-serif; font-size: 1.08rem; font-weight: 800; letter-spacing: .04em; text-decoration: none; text-transform: uppercase; transition: color .2s ease, gap .2s ease; }
.application-link:hover { gap: .9rem; color: #fff; }
.applications-transition { position: relative; margin-top: 2.5rem; min-height: 150px; overflow: hidden; border: 0; background-color: #020202; background-image: linear-gradient(28deg, transparent 0 14%, rgba(0,103,219,.88) 14.08% 14.28%, transparent 14.36% 31%, rgba(230,24,32,.84) 31.08% 31.3%, transparent 31.38% 70%, rgba(0,103,219,.82) 70.08% 70.3%, transparent 70.38% 84%, rgba(230,24,32,.78) 84.08% 84.28%, transparent 84.36%), linear-gradient(90deg, #010101, #060606 50%, #010101); box-shadow: none; font-size: clamp(1.7rem, 2.7vw, 3rem); animation: none; }
.applications-transition::before,
.applications-transition::after { content: none; }
.applications-transition strong { position: relative; z-index: 1; }

.products { padding: 7rem 0; background: radial-gradient(circle at 90% 8%, rgba(7,105,255,.08), transparent 23%), var(--paper); }
.product-tabs { display: flex; gap: .6rem; flex-wrap: wrap; margin-bottom: 2.2rem; }
.product-tab { min-height: 48px; padding: 0 1.2rem; border: 1px solid #cbd2dc; background: var(--white); color: var(--ink); font-size: 1.03rem; font-weight: 700; letter-spacing: .04em; text-transform: uppercase; transition: background .2s ease, color .2s ease, border-color .2s ease; }
.product-tab:hover { border-color: var(--blue); }
.product-tab.is-active { background: var(--ink); border-color: var(--ink); color: var(--white); box-shadow: inset 4px 0 0 var(--red); }
.product-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 1.2rem; }
.product-card { display: flex; min-width: 0; flex-direction: column; overflow: hidden; background: var(--white); border: 1px solid #dfe4eb; box-shadow: 0 14px 34px rgba(4,18,38,.08); animation: product-in .32s ease both; transition: transform .25s ease, box-shadow .25s ease; }
.product-card:hover { transform: translateY(-5px); box-shadow: 0 22px 44px rgba(4,18,38,.15); }
@keyframes product-in { from { opacity: 0; transform: translateY(14px); } to { opacity: 1; transform: translateY(0); } }
.product-image { position: relative; display: grid; min-height: 245px; place-items: center; padding: 1.25rem; overflow: hidden; background: linear-gradient(145deg, #eff3f8, #e5ebf2); }
.product-image::before { content: "X"; position: absolute; right: -1rem; bottom: -4rem; color: rgba(7,105,255,.055); font-family: "Barlow Condensed", sans-serif; font-size: 15rem; font-style: italic; font-weight: 900; }
.product-image img { position: relative; z-index: 1; width: 76%; aspect-ratio: 1; object-fit: contain; mix-blend-mode: multiply; }
.product-card-body { display: flex; flex: 1; flex-direction: column; padding: 1.25rem; }
.product-card h3 { min-height: 2.1em; font-size: 1.6rem; font-style: normal; }
.product-presentation { margin: .55rem 0 0; color: var(--muted); font-size: .78rem; }
.product-specs { display: flex; gap: .35rem; flex-wrap: wrap; margin: 1rem 0 1.2rem; }
.product-specs span { padding: .35rem .55rem; background: #e9f1ff; border-left: 2px solid var(--blue); color: #174378; font-size: .68rem; font-weight: 800; text-transform: uppercase; }
.product-card .button { width: 100%; margin-top: auto; }
.products-actions { display: flex; align-items: center; justify-content: center; gap: 1.4rem; flex-wrap: wrap; margin-top: 2rem; }
.products-actions button[hidden] { display: none !important; }
.text-link { position: relative; color: var(--ink); font-family: "Barlow Condensed", sans-serif; font-size: 1.2rem; font-weight: 800; letter-spacing: .04em; text-decoration: none; text-transform: uppercase; }
.text-link::after { content: ""; position: absolute; left: 0; right: 100%; bottom: -.35rem; height: 2px; background: var(--red); transition: right .2s ease; }
.text-link:hover::after { right: 0; }

.technology { --technology-background-dim: 0; position: relative; isolation: isolate; padding: 3rem 0; overflow: hidden; background-color: #031426; background-image: url("assets/technology-section-background.webp"); background-size: cover; background-position: center; background-repeat: no-repeat; }
.technology::after { content: ""; position: absolute; z-index: 0; inset: 0; pointer-events: none; background: #000; opacity: var(--technology-background-dim); transition: opacity .35s linear; }
.technology-video-frame { position: relative; z-index: 1; aspect-ratio: 16 / 9; overflow: hidden; background: #031426; border: 0; box-shadow: none; }
.technology-video { position: absolute; z-index: 0; inset: 0; width: 100%; height: 100%; object-fit: cover; object-position: center; }
.technology-video-button { position: absolute; z-index: 2; right: 32px; bottom: 24px; display: inline-flex; min-height: 52px; align-items: center; justify-content: center; padding: 0 1.45rem; border: 1px solid rgba(255,255,255,.72); background: rgba(2,10,23,.94); box-shadow: 0 12px 28px rgba(0,0,0,.38); color: #fff; font-family: "Barlow Condensed", Impact, sans-serif; font-size: 1.02rem; font-weight: 800; letter-spacing: .055em; text-decoration: none; text-transform: uppercase; transition: background .2s ease, border-color .2s ease, box-shadow .2s ease, transform .2s ease; }
.technology-video-button:hover,
.technology-video-button:focus-visible { border-color: #37a5ff; background: #061a36; box-shadow: 0 0 0 3px rgba(16,135,255,.24), 0 14px 32px rgba(0,0,0,.42); transform: translateY(-2px); outline: none; }

.specifications { padding: 7rem 0 0; overflow: hidden; background: radial-gradient(circle at 75% 12%, #0b2a55, transparent 32%), #030811; }
.specifications-background { position: absolute; inset: 0 0 auto 35%; height: 48%; opacity: .4; }
.specifications-background::after { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, #030811, transparent 35%), linear-gradient(0deg, #030811, transparent 50%); }
.specifications-background img { width: 100%; height: 100%; object-fit: cover; }
.specifications-content { position: relative; z-index: 2; }
.standards-grid { display: grid; grid-template-columns: repeat(6, 1fr); gap: 1rem; }
.standard-card { grid-column: span 2; min-height: 215px; padding: 1.5rem; background: rgba(5,17,34,.85); border: 1px solid rgba(19,149,255,.48); backdrop-filter: blur(8px); transition: background .25s ease, transform .25s ease; }
.standard-card:hover { transform: translateY(-4px); background: rgba(7,27,54,.94); }
.standard-card:nth-child(4) { grid-column: 2 / span 2; }
.standard-card:nth-child(5) { grid-column: 4 / span 2; }
.standard-category { color: var(--red); font-size: 1.1rem; font-style: italic; font-weight: 800; letter-spacing: .06em; text-transform: uppercase; }
.standard-card h3 { margin-top: .7rem; font-size: 2.2rem; }
.standard-card p { color: #a7b2c1; }
.specifications-footer { display: flex; align-items: center; justify-content: center; gap: 2rem; flex-wrap: wrap; margin-top: 2rem; text-align: center; }
.specifications-footer p { color: #9da9b9; }

.selection-guide { padding: 7rem 0; background: var(--paper); }
.steps-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.2rem; }
.step-card { position: relative; overflow: hidden; min-height: 260px; padding: 2rem; background: var(--white); border-top: 4px solid var(--blue); box-shadow: var(--shadow); }
.step-card::after { content: attr(data-step); position: absolute; right: -1rem; bottom: -4rem; color: rgba(7,105,255,.04); font-family: "Barlow Condensed", sans-serif; font-size: 12rem; font-style: italic; font-weight: 900; }
.step-card > span { color: var(--red); font-family: "Barlow Condensed", sans-serif; font-size: 2.3rem; font-style: italic; font-weight: 900; }
.step-card h3 { margin-top: 1.5rem; }
.step-card p { color: var(--muted); }
.guide-actions { display: flex; justify-content: center; gap: 1rem; flex-wrap: wrap; margin-top: 2rem; }
.guide-actions .button[href^="https://wa.me/"]:hover,
.guide-actions .button[href^="https://wa.me/"]:focus,
.guide-actions .button[href^="https://wa.me/"]:active,
.final-cta .button[href^="https://wa.me/"]:hover,
.final-cta .button[href^="https://wa.me/"]:focus,
.final-cta .button[href^="https://wa.me/"]:active {
  border-color: #20d56b;
  background: #16bd5b;
  color: #fff;
  box-shadow: 0 12px 30px rgba(32,213,107,.3);
  outline: none;
}

.faq { padding: 7rem 0; }
.faq-layout { display: grid; grid-template-columns: .78fr 1.22fr; gap: 4rem; align-items: start; }
.faq-list { display: grid; gap: .7rem; }
.faq details { background: var(--white); border: 1px solid #d9dfe7; box-shadow: 0 8px 22px rgba(5,18,38,.05); }
.faq summary { display: flex; align-items: center; justify-content: space-between; gap: 1rem; padding: 1.25rem 1.4rem; cursor: pointer; font-weight: 700; list-style: none; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary span { color: var(--red); font-size: 1.35rem; transition: transform .22s ease; }
.faq details[open] summary span { transform: rotate(45deg); }
.faq details p { margin: 0; padding: 0 1.4rem 1.3rem; color: var(--muted); }

.final-cta { overflow: hidden; padding: 7rem 0; text-align: center; }
.final-cta::before { content: ""; position: absolute; inset: 0; background: radial-gradient(circle at 50% 120%, rgba(7,105,255,.72), transparent 38%), linear-gradient(90deg, transparent 0 42%, rgba(237,36,28,.12) 42.2% 48%, transparent 48.2%); }
.final-cta-glow { position: absolute; inset: auto 0 0; height: 4px; background: linear-gradient(90deg, transparent, var(--blue-bright), var(--red), transparent); box-shadow: 0 0 40px rgba(7,105,255,.8); }
.final-cta-content { position: relative; z-index: 1; }
.final-cta-content p:not(.eyebrow) { color: #aeb8c5; }
.final-cta .button-row { justify-content: center; }

.site-footer {
  position: relative;
  overflow: hidden;
  padding: 4.5rem 0 1.5rem;
  border-top: 1px solid rgba(30,124,224,.3);
  background-color: #02060c;
  background-image:
    radial-gradient(ellipse 58% 90% at 0% 40%, rgba(5,79,166,.42) 0%, rgba(3,41,88,.18) 38%, transparent 70%),
    radial-gradient(ellipse 48% 82% at 100% 56%, rgba(157,13,27,.22) 0%, rgba(76,7,19,.1) 36%, transparent 68%),
    radial-gradient(ellipse 38% 55% at 52% 110%, rgba(18,87,162,.14) 0%, transparent 72%),
    linear-gradient(180deg, #07101d 0%, #030811 56%, #02060b 100%);
  color: var(--white);
  isolation: isolate;
}
.site-footer::before {
  content: "";
  position: absolute;
  z-index: -2;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(90deg, rgba(25,113,211,.1), transparent 24%, transparent 76%, rgba(255,16,24,.055));
  mask-image: linear-gradient(180deg, #000, transparent 92%);
}
.site-footer::after {
  content: "";
  position: absolute;
  z-index: -1;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(180deg, rgba(255,255,255,.025), transparent 18%, transparent 82%, rgba(0,0,0,.22));
}
.footer-accent { display: none; }
.footer-grid { position: relative; z-index: 1; display: grid; grid-template-columns: 1.5fr .8fr 1fr 1.25fr; gap: clamp(2rem, 4vw, 4.5rem); }
.footer-grid > div { display: flex; align-items: flex-start; flex-direction: column; gap: .75rem; }
@media (min-width: 1041px) {
  .footer-grid > div + div { min-height: 220px; }
}
.site-footer .brand { width: 245px; min-width: 0; margin-left: 0; }
.footer-brand-block p { max-width: 390px; margin: .45rem 0 .25rem; line-height: 1.55; }
.footer-values { display: flex; gap: .45rem; flex-wrap: wrap; margin-top: .45rem; }
.footer-values span { padding: .32rem .55rem; border: 1px solid rgba(22,143,255,.35); background: rgba(5,24,46,.7); color: #fff; font-size: .68rem; font-weight: 700; letter-spacing: .07em; text-transform: uppercase; }
.footer-grid > div > strong { margin-bottom: .35rem; color: #ff1018; font-family: "Barlow Condensed", sans-serif; font-size: 1.15rem; letter-spacing: .08em; text-transform: uppercase; }
.footer-links > a { position: relative; padding-left: .85rem; font-size: .9rem; text-decoration: none; opacity: .78; transition: color .2s ease, opacity .2s ease, transform .2s ease; }
.footer-links > a::before { content: ""; position: absolute; left: 0; top: .62em; width: 4px; height: 4px; background: #168fff; transform: rotate(45deg); }
.footer-links > a:hover,
.footer-links > a:focus-visible { color: #fff; opacity: 1; transform: translateX(3px); }
.footer-contact p { max-width: 290px; margin: 0 0 .35rem; line-height: 1.5; }
.footer-whatsapp { display: flex; width: 100%; max-width: 285px; align-items: center; gap: .75rem; padding: .8rem 1rem; border: 1px solid rgba(32,213,107,.5); background: rgba(12,48,39,.72); text-decoration: none; transition: border-color .2s ease, background .2s ease, transform .2s ease; }
.footer-whatsapp:hover,
.footer-whatsapp:focus-visible { border-color: #20d56b; background: rgba(15,75,51,.86); transform: translateY(-2px); }
.footer-whatsapp img { width: 28px; height: 28px; filter: brightness(0) invert(1); }
.footer-whatsapp span { display: flex; flex-direction: column; }
.footer-whatsapp small { color: #bfead1; font-size: .7rem; }
.footer-whatsapp b { font-family: "Barlow Condensed", sans-serif; font-size: 1.08rem; letter-spacing: .035em; }
.footer-buy-link { color: #fff; font-family: "Barlow Condensed", sans-serif; font-size: .95rem; font-weight: 800; letter-spacing: .05em; text-decoration-color: #ff1018; text-underline-offset: .3rem; text-transform: uppercase; }
.footer-bottom { position: relative; z-index: 1; display: grid; grid-template-columns: auto 1fr auto; align-items: center; gap: 2rem; margin-top: 3.5rem; padding-top: 1.4rem; border-top: 1px solid rgba(65,145,226,.28); font-size: .75rem; }
.footer-bottom > span:nth-child(2) { text-align: center; opacity: .72; }
.footer-bottom > a { font-family: "Barlow Condensed", sans-serif; font-weight: 800; letter-spacing: .05em; text-decoration: none; text-transform: uppercase; }

/* Contraste de textos secundarios según la luminosidad de cada sección. */
.products p,
.selection-guide p,
.faq p,
.trust-bar small { color: #07101d; }

.hero-intro,
.section-dark p,
.section-navy p,
.section-dark small,
.section-navy small,
.site-footer p,
.site-footer a,
.site-footer .footer-bottom { color: #fff; }

.hero .eyebrow {
  color: transparent;
  background-image: linear-gradient(90deg, #ff1018 0%, #ff1018 24%, #ff7478 52%, #fff 82%, #fff 100%);
  background-clip: text;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}
.section-heading .eyebrow,
.final-cta .eyebrow { color: #ff1018; }

.main-nav > a:not(.button):focus-visible { color: #fff; outline: 2px solid #168fff; outline-offset: 7px; }
.main-nav > a:not(.button):focus-visible::after { right: 0; }

.floating-whatsapp { position: fixed; z-index: 1200; right: clamp(20px, 2.8vw, 48px); bottom: clamp(20px, 3vw, 42px); display: grid; width: 64px; height: 64px; place-items: center; border-radius: 50%; background: #20d56b; box-shadow: 0 10px 30px rgba(0,0,0,.3); isolation: isolate; transition: transform .22s ease, background .22s ease; }
.floating-whatsapp::before,
.floating-whatsapp::after { content: ""; position: absolute; z-index: -1; inset: -9px; border: 2px solid rgba(32,213,107,.62); border-radius: inherit; animation: whatsapp-pulse 2s ease-out infinite; }
.floating-whatsapp::after { inset: -18px; border-color: rgba(32,213,107,.3); animation-delay: .65s; }
.floating-whatsapp img { width: 34px; height: 34px; filter: brightness(0) invert(1); }
.floating-whatsapp:hover,
.floating-whatsapp:focus-visible { background: #16bd5b; transform: translateY(-3px) scale(1.04); }

@keyframes whatsapp-pulse {
  0% { opacity: .9; transform: scale(.82); }
  70%, 100% { opacity: 0; transform: scale(1.28); }
}

@media (prefers-reduced-motion: reduce) {
  .floating-whatsapp::before,
  .floating-whatsapp::after { animation: none; opacity: .35; }
  .hero .eyebrow,
  .hero .eyebrow::before { animation: none; }
  .hero .eyebrow::after { animation: none; }
}

.reveal { opacity: 1; transform: none; }
.reveal-delay,
.reveal-delay-2 { transition-delay: 0s; }
.reveal.is-visible { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { scroll-behavior: auto !important; animation-duration: .01ms !important; transition-duration: .01ms !important; }
  .reveal { opacity: 1; transform: none; }
}

@media (max-width: 1040px) {
  .main-nav { gap: 1rem; }
  .main-nav > a:not(.button) { font-size: .7rem; }
  .hero { min-height: 840px; }
  .hero-grid { grid-template-columns: 1fr .9fr; }
  .product-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}

@media (max-width: 860px) {
  .container { width: min(var(--max), calc(100% - 32px)); }
  .menu-toggle { display: block; }
  .main-nav { position: fixed; inset: 76px 0 auto; display: none; align-items: stretch; flex-direction: column; gap: 0; padding: 1rem 1.2rem 1.5rem; background: rgba(2,7,13,.98); border-bottom: 1px solid rgba(255,255,255,.14); }
  .main-nav.is-open { display: flex; }
  .main-nav > a:not(.button) { padding: 1rem 0; border-bottom: 1px solid rgba(255,255,255,.1); font-size: .82rem; }
  .main-nav .button { margin-top: 1rem; }
  .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); }
  .hero { min-height: auto; padding-top: 125px; }
  .hero-grid, .promise-grid, .faq-layout { grid-template-columns: 1fr; }
  .hero-copy { padding-bottom: 0; }
  .hero-media { min-height: 480px; }
  .hero-media img { width: 110%; margin-left: -5%; }
  .trust-bar { position: relative; left: auto; bottom: auto; transform: none; width: 100%; }
  .promise-copy { max-width: none; padding: 6rem max(2rem, calc((100vw - var(--max)) / 2)); }
  .promise-media { min-height: 620px; }
  .applications-grid { grid-template-columns: 1fr; }
  .application-card { display: block; aspect-ratio: 1.25; }
  .application-image > .application-photo { height: 100%; aspect-ratio: auto; }
  .product-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .standards-grid { grid-template-columns: repeat(2, 1fr); }
  .standard-card, .standard-card:nth-child(4), .standard-card:nth-child(5) { grid-column: auto; }
  .steps-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 560px) {
  h1 { font-size: clamp(3.6rem, 18vw, 5.5rem); }
  h2 { font-size: clamp(2.9rem, 14vw, 4.2rem); }
  .header-inner { min-height: 68px; }
  .main-nav { inset-block-start: 68px; }
  .hero { padding-top: 112px; }
  .hero-media { min-height: 350px; }
  .hero-media img { width: 120%; margin-left: -10%; mask-image: linear-gradient(90deg, transparent 0, #000 10%); }
  .hero-spec { right: .25rem; bottom: 4%; }
  .button { width: 100%; }
  .button-row { display: grid; }
  .trust-bar { grid-template-columns: 1fr; }
  .trust-bar article { min-height: 86px; border-right: 0; border-bottom: 1px solid #d8dde5; }
  .promise-copy { padding: 5rem 1.25rem; }
  .promise-media { min-height: 480px; }
  .section-transition { gap: .7rem; padding-inline: 1rem; }
  .section-transition span { width: 30px; }
  .applications { padding-top: 5rem; }
  .application-card { display: block; }
  .application-card { aspect-ratio: 1.25; }
  .product-tabs { flex-wrap: nowrap; margin-inline: -1rem; padding: 0 1rem .5rem; overflow-x: auto; scrollbar-width: thin; }
  .product-tab { flex: 0 0 auto; }
  .product-grid { grid-template-columns: 1fr; }
  .product-image { min-height: 285px; }
  .product-image img { width: 68%; }
  .technology { padding-block: 1.5rem; }
  .technology-video { object-fit: contain; background: #02070d; }
  .technology-video-button { right: 50%; bottom: 12px; min-height: 42px; width: auto; max-width: calc(100% - 32px); padding-inline: .9rem; font-size: .8rem; white-space: nowrap; transform: translateX(50%); }
  .technology-video-button:hover,
  .technology-video-button:focus-visible { transform: translateX(50%) translateY(-2px); }
  .standards-grid { grid-template-columns: 1fr; }
  .standard-card { min-height: auto; }
  .selection-guide, .faq { padding-block: 5rem; }
  .footer-grid { grid-template-columns: 1fr; }
  .site-footer { padding-top: 3.5rem; }
  .site-footer .brand { width: 215px; }
  .footer-bottom { grid-template-columns: 1fr; gap: .8rem; }
  .footer-bottom > span:nth-child(2) { text-align: left; }
}

@media (max-width: 560px) {
  .application-card { aspect-ratio: .88; }
}

@media (max-width: 1040px) {
  .brand { width: 195px; min-width: 195px; margin-left: 0; }
  .main-nav { gap: .85rem; }
  .main-nav > a:not(.button) { font-size: .78rem; }
  .main-nav .button { min-width: auto; }
  .main-nav .nav-buy { width: 94px; min-width: 94px; }
  .main-nav .nav-whatsapp { width: 168px; min-width: 168px; }
  .main-nav .nav-buy, .main-nav .nav-whatsapp { min-height: 38px; font-size: .85rem; }
  .hero { min-height: 700px; }
  .hero-copy { width: 52%; }
  .promise-grid { grid-template-columns: 240px 1fr; }
  .promise-copy h2 { font-size: 2.75rem; }
}

@media (max-width: 860px) {
  .header-inner { min-height: 76px; }
  .brand { width: 172px; min-width: 0; margin-left: 0; }
  .main-nav { inset-block-start: 76px; }
  .nav-actions { width: 100%; flex-direction: column; gap: .75rem; margin-top: 1rem; }
  .main-nav .nav-buy, .main-nav .nav-whatsapp { width: 100%; min-width: 0; min-height: 52px; margin-top: 0; }
  .hero { min-height: 760px; padding: 105px 0 260px; }
  .hero::before { background: linear-gradient(90deg, rgba(1,5,12,.98), rgba(1,5,12,.8) 70%, rgba(1,5,12,.3)), linear-gradient(0deg, rgba(1,5,12,.12) 45%, #01050c 82%); }
  .hero-copy { width: 72%; padding-left: 0; }
  .hero-media { position: absolute; inset: 0 0 118px; min-height: 0; }
  .hero-media img { width: 100%; height: 100%; margin: 0; object-fit: contain; object-position: right center; mask-image: none; }
  .hero-color-lines { bottom: 118px; }
  .trust-bar { position: absolute; left: 0; right: 0; bottom: 0; grid-template-columns: repeat(3, 1fr); margin-inline: 0; padding-inline: 1rem; transform: none; }
  .trust-bar article { min-height: 118px; padding: .85rem; gap: .6rem; }
  .trust-bar article > span { flex-basis: 40px; width: 40px; height: 46px; font-size: 1.3rem; }
  .trust-bar article > span img { width: auto; height: 42px; }
  .trust-bar .trust-road > span img { width: 50px; height: 40px; }
  .trust-bar .trust-road > span { flex-basis: 56px; width: 56px; margin-right: .2rem; }
  .trust-bar strong { font-size: 1rem; }
  .trust-bar small { font-size: .65rem; }
  .promise { padding-block: 3rem; }
  .promise-grid { grid-template-columns: 1fr; }
  .promise-copy { padding: 0; }
  .promise-benefits { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 560px) {
  .floating-whatsapp { right: 18px; bottom: 18px; width: 54px; height: 54px; }
  .floating-whatsapp img { width: 29px; height: 29px; }
  .hero { min-height: 860px; padding: 95px 0 330px; }
  .hero-copy { width: 100%; }
  .hero h1 { font-size: clamp(3rem, 13vw, 4rem); }
  .hero .eyebrow { font-size: .9rem; }
  .hero .button { width: 100%; }
  .hero-media { inset: 0 0 294px; }
  .hero-media img { width: 100%; height: 100%; margin: 0; object-position: right center; }
  .hero-color-lines { bottom: 294px; }
  .trust-bar { grid-template-columns: 1fr; padding-inline: 0; }
  .trust-bar article { min-height: 98px; border-right: 0; border-bottom: 1px solid #d8dde5; padding-inline: 1.25rem; }
  .trust-bar article > span { flex-basis: 38px; width: 38px; height: 42px; }
  .trust-bar small { max-width: none; }
  .promise-copy h2 { font-size: 3.1rem; }
  .promise-benefits { grid-template-columns: 1fr; }
  .benefit-card, .benefit-card img { min-height: 260px; }
}