:root {
  --red: #ee121b;
  --red-dark: #b60810;
  --black: #0b0b0e;
  --ink: #17171b;
  --muted: #66666f;
  --line: #e6e6e9;
  --soft: #f5f5f6;
  --white: #fff;
  --container: 1180px;
  --radius: 22px;
  --shadow: 0 24px 70px rgba(12, 12, 16, .12);
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 92px; }
body { margin: 0; color: var(--ink); background: var(--white); font-family: Inter, Montserrat, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; -webkit-font-smoothing: antialiased; }
body.menu-locked { overflow: hidden; }
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button, input, textarea, select { font: inherit; }
button { color: inherit; }
.container { width: min(var(--container), calc(100% - 40px)); margin-inline: auto; }
.section { padding: 96px 0; }
.section-soft { background: var(--soft); }
.section-dark { color: var(--white); background: var(--black); }
.section-red { color: var(--white); background: var(--red); }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; }
.site-header { position: fixed; inset: 0 0 auto; z-index: 100; padding: 18px 0; transition: padding .2s ease, background .2s ease, box-shadow .2s ease; }
.site-header.scrolled, .site-header.menu-open, .site-header.header-solid { padding: 10px 0; background: rgba(10, 10, 13, .96); box-shadow: 0 12px 36px rgba(0,0,0,.2); }
.header-inner { display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.brand { display: inline-flex; align-items: center; color: var(--white); }
.brand img { width: 68px; height: 68px; object-fit: contain; transition: width .2s ease, height .2s ease; }
.site-header.scrolled .brand img, .site-header.menu-open .brand img, .site-header.header-solid .brand img { width: 60px; height: 60px; }
.main-nav { display: flex; align-items: center; gap: 23px; color: var(--white); font-size: .77rem; font-weight: 800; letter-spacing: .055em; text-transform: uppercase; }
.main-nav a { opacity: .82; transition: opacity .2s ease, color .2s ease; }
.main-nav a:hover, .main-nav a[aria-current="page"] { color: #ff777c; opacity: 1; }
.main-nav .nav-cta { padding: 13px 17px; border-radius: 999px; color: var(--white); background: var(--red); opacity: 1; }
.main-nav .nav-cta:hover { color: var(--white); background: #ff2730; }
.menu-toggle { display: none; width: 44px; height: 44px; padding: 10px; border: 0; border-radius: 50%; background: rgba(255,255,255,.1); cursor: pointer; }
.menu-toggle span { display: block; width: 22px; height: 2px; margin: 5px auto; background: var(--white); transition: transform .2s ease, opacity .2s ease; }
.menu-open .menu-toggle span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.menu-open .menu-toggle span:nth-child(2) { opacity: 0; }
.menu-open .menu-toggle span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
.hero { position: relative; display: flex; min-height: 92svh; align-items: center; overflow: hidden; isolation: isolate; padding: 142px 0 82px; color: var(--white); background: var(--black); }
.hero-photo, .hero-video, .hero-overlay { position: absolute; inset: 0; }
.hero-photo { z-index: -3; background: url('../imagenes/21.jpg') 68% center / cover no-repeat; }
.hero-video { z-index: -2; width: 100%; height: 100%; object-fit: cover; object-position: center; pointer-events: none; }
.hero-overlay { z-index: -1; background: linear-gradient(90deg, rgba(5,5,8,.98) 0%, rgba(8,8,12,.88) 48%, rgba(8,8,12,.26) 100%), linear-gradient(0deg, rgba(0,0,0,.62), transparent 58%); }
.hero-grid { display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(260px, .55fr); align-items: end; gap: 70px; }
.hero h1 { max-width: 820px; margin: 0; font-size: clamp(3.3rem, 7.2vw, 7.4rem); font-weight: 900; letter-spacing: -.075em; line-height: .88; text-wrap: balance; }
.hero-lead { max-width: 720px; margin: 28px 0 0; color: rgba(255,255,255,.78); font-size: clamp(1.08rem, 1.7vw, 1.48rem); font-weight: 600; line-height: 1.5; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 34px; }
.hero-proof { display: grid; gap: 1px; overflow: hidden; border: 1px solid rgba(255,255,255,.14); border-radius: 24px; background: rgba(255,255,255,.14); box-shadow: 0 28px 70px rgba(0,0,0,.28); }
.hero-proof div { display: grid; grid-template-columns: 88px 1fr; align-items: center; gap: 17px; padding: 22px; background: rgba(12,12,16,.78); backdrop-filter: blur(12px); }
.hero-proof strong { color: var(--red); font-size: 2rem; line-height: 1; }
.hero-proof span { color: rgba(255,255,255,.82); font-size: .84rem; font-weight: 750; line-height: 1.35; }
.btn { display: inline-flex; min-height: 52px; align-items: center; justify-content: center; padding: 15px 22px; border: 1px solid transparent; border-radius: 999px; font-weight: 850; cursor: pointer; transition: transform .2s ease, background .2s ease, box-shadow .2s ease; }
.btn:hover { transform: translateY(-2px); }
.btn-primary { color: var(--white); background: var(--red); box-shadow: 0 16px 34px rgba(238,18,27,.28); }
.btn-primary:hover { background: #ff2730; }
.btn-secondary { color: var(--white); border-color: rgba(255,255,255,.28); background: rgba(255,255,255,.1); }
.btn-dark { color: var(--white); background: var(--black); }
.trust-strip { position: relative; z-index: 3; margin-top: -38px; padding-bottom: 28px; }
.trust-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.trust-item { position: relative; display: grid; min-width: 0; min-height: 152px; grid-template-columns: 54px 1fr; align-items: start; gap: 18px; overflow: hidden; padding: 28px; border: 1px solid rgba(14,14,18,.08); border-radius: 19px; background: rgba(255,255,255,.97); box-shadow: 0 20px 50px rgba(12,12,16,.1); backdrop-filter: blur(10px); }
.trust-item::after { content: ''; position: absolute; inset: 0 0 auto; height: 4px; background: var(--red); transform: scaleX(.34); transform-origin: left; transition: transform .3s ease; }
.trust-item:hover::after { transform: scaleX(1); }
.trust-icon { display: grid; width: 54px; height: 54px; place-items: center; border-radius: 16px; color: var(--white); background: var(--red); box-shadow: 0 12px 24px rgba(238,18,27,.22); }
.trust-icon svg { width: 29px; height: 29px; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.trust-copy { display: block; min-width: 0; }
.trust-copy strong { display: block; margin: 3px 0 8px; font-size: .95rem; line-height: 1.3; }
.trust-copy > span { display: block; color: var(--muted); font-size: .84rem; line-height: 1.55; }
.section-heading { display: grid; grid-template-columns: minmax(0, .9fr) minmax(280px, .65fr); align-items: end; gap: 50px; margin-bottom: 46px; }
.section-heading.center { display: block; max-width: 760px; margin: 0 auto 46px; text-align: center; }
.section-heading h2 { max-width: 820px; margin: 0; font-size: clamp(2.25rem, 4.7vw, 4.7rem); font-weight: 900; letter-spacing: -.06em; line-height: .98; text-wrap: balance; }
.section-heading p { margin: 0; color: var(--muted); font-size: 1.02rem; line-height: 1.75; }
.section-dark .section-heading p { color: rgba(255,255,255,.66); }
.solutions-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.solution-card { position: relative; display: flex; min-height: 430px; flex-direction: column; justify-content: flex-end; overflow: hidden; border-radius: var(--radius); isolation: isolate; color: var(--white); background: var(--black); box-shadow: var(--shadow); }
.solution-card::after { content: ''; position: absolute; inset: 0; z-index: -1; background: linear-gradient(0deg, rgba(7,7,10,.96) 0%, rgba(7,7,10,.14) 75%); }
.solution-card img { position: absolute; inset: 0; z-index: -2; width: 100%; height: 100%; object-fit: cover; transition: transform .45s ease; }
.solution-card:hover img { transform: scale(1.035); }
.solution-card-content { padding: 30px; }
.solution-card h3 { margin: 0 0 9px; font-size: 1.65rem; }
.solution-card p { margin: 0 0 18px; color: rgba(255,255,255,.7); font-size: .92rem; line-height: 1.6; }
.text-link { display: inline-flex; align-items: center; gap: 9px; color: var(--red); font-weight: 850; }
.solution-card .text-link { color: var(--white); }
.solution-card-steel { background: linear-gradient(145deg, #26262c 0%, #09090c 68%); }
.solution-card-steel::after { background: linear-gradient(0deg, rgba(7,7,10,.98) 0%, rgba(7,7,10,.16) 78%); }
.text-link::after { content: '→'; transition: transform .2s ease; }
.text-link:hover::after { transform: translateX(4px); }
.map-layout { display: grid; grid-template-columns: 360px minmax(0, 1fr); overflow: hidden; border-radius: 28px; background: var(--white); box-shadow: var(--shadow); }
.plant-list { padding: 34px; background: var(--black); color: var(--white); }
.plant-list h3 { margin: 0 0 9px; font-size: 1.7rem; }
.plant-list > p { margin: 0 0 26px; color: rgba(255,255,255,.58); line-height: 1.6; }
.plant-tabs { display: grid; gap: 10px; }
.plant-tab { width: 100%; padding: 17px 18px; border: 1px solid rgba(255,255,255,.13); border-radius: 15px; text-align: left; color: var(--white); background: rgba(255,255,255,.055); cursor: pointer; }
.plant-tab strong { display: block; font-size: .96rem; }
.plant-tab span { display: block; margin-top: 4px; color: rgba(255,255,255,.54); font-size: .76rem; }
.plant-tab:hover, .plant-tab.is-active { border-color: var(--red); background: rgba(238,18,27,.18); }
.map-frame { min-height: 510px; background: #ddd; }
.map-frame iframe { width: 100%; height: 100%; min-height: 510px; border: 0; }
.certification-home { background: #eef5f7; }
.certification-home-compact { padding: 50px 0; }
.certification-compact-grid { display: grid; grid-template-columns: minmax(240px, 320px) minmax(0, 1fr); align-items: center; gap: 52px; }
.certification-panel-compact { padding: 24px 22px 20px; border-radius: 20px; box-shadow: 0 15px 38px rgba(0,72,88,.1); }
.certification-panel-compact .certification-marks { gap: 16px; }
.certification-panel-compact .certification-divider { min-height: 130px; }
.certification-panel-compact .iram-registration { margin-top: 6px; font-size: .7rem; }
.certification-panel-compact .oaa-strip { margin-top: 7px; }
.certification-panel-compact figcaption { margin-top: 15px; font-size: .78rem; }
.certification-compact-copy h2 { max-width: 820px; margin: 0; font-size: clamp(1.9rem, 3.25vw, 3.35rem); font-weight: 900; letter-spacing: -.05em; line-height: 1; text-wrap: balance; }
.certification-compact-statement { max-width: 850px; margin: 16px 0 0; color: #3f4549; font-size: .92rem; line-height: 1.58; }
.certification-compact-statement strong { color: var(--ink); }
.certification-summary-grid { display: grid; grid-template-columns: minmax(0, 1.08fr) minmax(390px, .92fr); align-items: center; gap: 74px; }
.certification-kicker { display: inline-block; margin-bottom: 20px; color: #006f85; font-size: .72rem; font-weight: 900; letter-spacing: .12em; text-transform: uppercase; }
.certification-copy h2 { max-width: 760px; margin: 0; font-size: clamp(2.4rem, 4.8vw, 4.8rem); font-weight: 900; letter-spacing: -.06em; line-height: .97; text-wrap: balance; }
.certification-statement { max-width: 780px; margin: 26px 0 0; color: #3f4549; font-size: 1.03rem; line-height: 1.75; }
.certification-statement strong { color: var(--ink); }
.certification-scope-brief { max-width: 800px; margin-top: 26px; padding: 24px 26px; border-left: 4px solid #00758a; border-radius: 0 16px 16px 0; background: rgba(255,255,255,.82); }
.certification-scope-brief > strong { display: block; margin-bottom: 10px; font-size: .78rem; letter-spacing: .08em; text-transform: uppercase; }
.certification-scope-brief p { margin: 8px 0 0; color: #464c50; font-size: .9rem; line-height: 1.58; }
.certification-clarification { max-width: 790px; margin: 20px 0 22px; color: #52585c; font-size: .88rem; line-height: 1.65; }
.certification-panel { margin: 0; padding: 40px 34px 30px; border: 1px solid rgba(0,86,106,.2); border-radius: 28px; background: var(--white); box-shadow: 0 26px 65px rgba(0,72,88,.13); }
.certification-marks { display: grid; grid-template-columns: minmax(0, 1fr) 3px minmax(0, 1fr); align-items: start; gap: 28px; }
.iram-oaa-unit { width: 100%; }
.iram-quality-mark { width: 100%; height: auto; }
.iram-registration { margin-top: 9px; color: #202124; font-family: Arial, Helvetica, sans-serif; font-size: clamp(.72rem, 1.35vw, .96rem); font-weight: 700; line-height: 1; text-align: center; }
.oaa-strip { width: 100%; height: auto; margin-top: 10px; }
.certification-divider { width: 3px; height: 72%; min-height: 190px; justify-self: center; background: #123f99; }
.iqnet-mark { width: 100%; height: auto; }
.certification-panel figcaption { margin-top: 26px; color: #17191b; font-family: Arial, Helvetica, sans-serif; font-size: .98rem; font-weight: 700; text-align: center; }
.certification-page-hero { min-height: 500px; }
.certification-detail-grid { display: grid; grid-template-columns: minmax(350px, .82fr) minmax(0, 1.18fr); align-items: start; gap: 70px; }
.certification-detail-grid .certification-panel { position: sticky; top: 118px; }
.certification-details { display: grid; gap: 18px; }
.certification-details h2 { margin: 0 0 8px; font-size: clamp(2.2rem, 4.5vw, 4.5rem); line-height: .98; letter-spacing: -.06em; }
.certification-data { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
.certification-data div, .certification-scope-card, .certification-notice { padding: 24px; border: 1px solid var(--line); border-radius: 18px; background: var(--white); }
.certification-data span { display: block; margin-bottom: 8px; color: var(--muted); font-size: .68rem; font-weight: 850; letter-spacing: .09em; text-transform: uppercase; }
.certification-data strong { font-size: 1.02rem; line-height: 1.45; }
.certification-scope-card h3, .certification-notice h3 { margin: 0 0 11px; font-size: 1.22rem; }
.certification-scope-card p, .certification-notice p { margin: 8px 0 0; color: var(--muted); line-height: 1.68; }
.certification-scope-card b { color: var(--ink); }
.certification-notice { border-color: rgba(238,18,27,.25); background: #fff7f7; }
.certification-notice h3 { color: #a9070d; }
.project-preview-grid { display: grid; grid-template-columns: 1.15fr .85fr; gap: 18px; }
.featured-project { position: relative; min-height: 510px; overflow: hidden; border-radius: var(--radius); isolation: isolate; color: var(--white); background: var(--black); }
.featured-project img { position: absolute; inset: 0; z-index: -2; width: 100%; height: 100%; object-fit: cover; }
.featured-project::after { content: ''; position: absolute; inset: 0; z-index: -1; background: linear-gradient(0deg, rgba(7,7,10,.98), rgba(7,7,10,.08)); }
.featured-project-copy { position: absolute; inset: auto 0 0; padding: 34px; }
.featured-project-copy span { color: #ff676d; font-size: .72rem; font-weight: 850; letter-spacing: .11em; text-transform: uppercase; }
.featured-project-copy h3 { max-width: 620px; margin: 10px 0 12px; font-size: clamp(1.6rem, 3vw, 2.8rem); line-height: 1.05; }
.featured-project-copy p { margin: 0; color: rgba(255,255,255,.68); line-height: 1.6; }
.project-stack { display: grid; gap: 18px; }
.project-mini { display: flex; flex-direction: column; justify-content: space-between; min-height: 246px; padding: 28px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--soft); }
.project-mini span { color: var(--red); font-size: .7rem; font-weight: 900; letter-spacing: .12em; text-transform: uppercase; }
.project-mini h3 { margin: 10px 0; font-size: 1.35rem; }
.project-mini p { margin: 0; color: var(--muted); font-size: .88rem; line-height: 1.55; }
.lab-feature { display: grid; grid-template-columns: .8fr 1.2fr; overflow: hidden; border-radius: 28px; background: var(--red); color: var(--white); }
.lab-aside { position: relative; isolation: isolate; min-height: 500px; padding: 44px; background: url('../imagenes/09.jpg') center / cover no-repeat; }
.lab-aside::after { content: ''; position: absolute; inset: 0; z-index: -1; background: linear-gradient(180deg, rgba(0,0,0,.22), rgba(0,0,0,.85)); }
.lab-aside h3 { margin: 0; font-size: clamp(2rem, 4vw, 3.7rem); line-height: .98; letter-spacing: -.05em; }
.lab-content { padding: 48px; }
.lab-content > p { margin: 0 0 26px; color: rgba(255,255,255,.78); font-size: 1.05rem; line-height: 1.75; }
.check-list { display: grid; gap: 13px; padding: 0; margin: 0; list-style: none; }
.check-list li { position: relative; padding-left: 28px; line-height: 1.55; }
.check-list li::before { content: '✓'; position: absolute; left: 0; color: var(--white); font-weight: 900; }
.lab-content .text-link { margin-top: 28px; color: var(--white); }
.store-promo-section { padding: 96px 0 0; background: var(--white); }
.store-promo { position: relative; display: grid; grid-template-columns: minmax(0, 1fr) minmax(280px, 390px); min-height: 440px; overflow: hidden; border-radius: 30px; color: var(--white); background: linear-gradient(118deg, #c30810 0%, var(--red) 57%, #ff3038 100%); box-shadow: 0 28px 70px rgba(184, 8, 16, .28); isolation: isolate; }
.store-promo::before { content: ''; position: absolute; inset: 0; z-index: -1; background: radial-gradient(circle at 82% 16%, rgba(255,255,255,.2), transparent 28%), linear-gradient(125deg, transparent 57%, rgba(8,8,11,.18) 57.2%, rgba(8,8,11,.06) 78%, transparent 78.2%); }
.store-promo::after { content: 'H3'; position: absolute; right: 28%; bottom: -70px; z-index: -1; color: rgba(255,255,255,.075); font-size: clamp(12rem, 28vw, 25rem); font-weight: 950; letter-spacing: -.12em; line-height: .7; }
.store-promo-copy { align-self: center; max-width: 760px; padding: 58px 0 58px 58px; }
.store-promo-copy h2 { margin: 0; font-size: clamp(2.65rem, 5.4vw, 5.8rem); font-weight: 950; letter-spacing: -.065em; line-height: .9; text-wrap: balance; }
.store-promo-copy p { max-width: 650px; margin: 24px 0 30px; color: rgba(255,255,255,.82); font-size: 1.05rem; line-height: 1.7; }
.store-promo-copy .btn { min-width: 170px; box-shadow: 0 16px 36px rgba(0,0,0,.22); }
.store-promo-character { position: relative; min-height: 440px; }
.store-promo-character img { position: absolute; right: 18px; bottom: -115px; width: min(100%, 370px); max-width: none; height: auto; filter: drop-shadow(0 22px 24px rgba(0,0,0,.28)); }
.cta-band { display: grid; grid-template-columns: 1fr auto; align-items: center; gap: 36px; padding: 48px; border-radius: 28px; background: var(--red); color: var(--white); }
.cta-band h2 { max-width: 760px; margin: 0; font-size: clamp(2rem, 4vw, 4rem); line-height: 1; letter-spacing: -.055em; }
.cta-band p { max-width: 680px; margin: 15px 0 0; color: rgba(255,255,255,.76); line-height: 1.6; }
.contact-grid { display: grid; grid-template-columns: .82fr 1.18fr; gap: 68px; }
.contact-copy h2 { margin: 0; font-size: clamp(2.4rem, 5vw, 4.7rem); line-height: .96; letter-spacing: -.06em; }
.contact-copy > p { color: var(--muted); line-height: 1.75; }
.contact-list { display: grid; gap: 0; margin-top: 28px; border-top: 1px solid var(--line); }
.contact-list a, .contact-list div { display: grid; gap: 5px; padding: 17px 0; border-bottom: 1px solid var(--line); }
.contact-list strong { font-size: .79rem; letter-spacing: .08em; text-transform: uppercase; }
.contact-list span { color: var(--muted); line-height: 1.5; }
.contact-form { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; padding: 34px; border-radius: var(--radius); background: var(--soft); }
.contact-form label { display: grid; gap: 8px; color: #35353b; font-size: .78rem; font-weight: 800; }
.contact-form .full { grid-column: 1 / -1; }
.contact-form input, .contact-form textarea, .contact-form select { width: 100%; border: 1px solid #d9d9de; border-radius: 12px; padding: 14px 15px; color: var(--ink); background: var(--white); outline: none; }
.contact-form input:focus, .contact-form textarea:focus, .contact-form select:focus { border-color: var(--red); box-shadow: 0 0 0 3px rgba(238,18,27,.1); }
.contact-form .btn { justify-self: start; }
.page-hero { position: relative; display: flex; min-height: 630px; align-items: end; overflow: hidden; isolation: isolate; padding: 160px 0 72px; color: var(--white); background: var(--black); }
.page-hero-bg { position: absolute; inset: 0; z-index: -2; background-position: center; background-size: cover; }
.page-hero::after { content: ''; position: absolute; inset: 0; z-index: -1; background: linear-gradient(90deg, rgba(6,6,9,.96), rgba(6,6,9,.64) 58%, rgba(6,6,9,.12)), linear-gradient(0deg, rgba(0,0,0,.6), transparent 60%); }
.page-hero-copy { max-width: 900px; }
.page-hero h1 { margin: 0; font-size: clamp(3rem, 7vw, 6.8rem); line-height: .9; letter-spacing: -.075em; }
.page-hero p { max-width: 760px; margin: 24px 0 0; color: rgba(255,255,255,.76); font-size: clamp(1.05rem, 1.8vw, 1.4rem); line-height: 1.55; }
.breadcrumb { margin-bottom: 24px; color: rgba(255,255,255,.6); font-size: .78rem; font-weight: 750; letter-spacing: .06em; text-transform: uppercase; }
.breadcrumb a:hover { color: var(--white); }
.content-grid { display: grid; grid-template-columns: .72fr 1.28fr; gap: 70px; align-items: start; }
.content-intro { position: sticky; top: 120px; }
.content-intro h2 { margin: 0; font-size: clamp(2.2rem, 4.6vw, 4.5rem); line-height: .96; letter-spacing: -.06em; }
.content-intro p { color: var(--muted); line-height: 1.75; }
.info-cards { display: grid; gap: 14px; }
.info-card { padding: 28px; border: 1px solid var(--line); border-radius: 18px; background: var(--white); transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease; }
.info-card:hover { transform: translateY(-3px); border-color: #d6d6dc; box-shadow: 0 18px 42px rgba(12,12,16,.09); }
.info-card h3 { margin: 0 0 10px; font-size: 1.28rem; }
.info-card p { margin: 0; color: var(--muted); line-height: 1.65; }
.info-card strong { color: var(--ink); }
.visual-info-cards { grid-template-columns: repeat(2, minmax(0, 1fr)); align-items: stretch; }
.media-info-card { display: flex; min-width: 0; flex-direction: column; overflow: hidden; padding: 0; }
.media-info-card > img { width: 100%; height: 176px; object-fit: cover; }
.media-info-copy { flex: 1; padding: 24px; }
.process-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; counter-reset: process; }
.quality-control-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.quality-control-grid .process-card:last-child { grid-column: 1 / -1; }
.process-card { position: relative; counter-increment: process; padding: 28px; border-radius: 18px; background: #19191e; }
.process-card::before { content: '0' counter(process); display: block; margin-bottom: 42px; color: var(--red); font-size: .75rem; font-weight: 900; letter-spacing: .12em; }
.process-card-icon { position: absolute; top: 22px; right: 22px; display: grid; width: 48px; height: 48px; place-items: center; border: 1px solid rgba(238,18,27,.28); border-radius: 14px; color: #ff4148; background: rgba(238,18,27,.09); transition: color .25s ease, background .25s ease, transform .25s ease; }
.process-card:hover .process-card-icon { color: var(--white); background: var(--red); transform: translateY(-2px); }
.process-card-icon svg { width: 25px; height: 25px; stroke: currentColor; stroke-width: 1.7; stroke-linecap: round; stroke-linejoin: round; }
.process-card h3 { margin: 0 0 9px; color: var(--white); }
.process-card p { margin: 0; color: rgba(255,255,255,.58); font-size: .9rem; line-height: 1.6; }
.projects-nav { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 34px; }
.projects-nav a { padding: 11px 15px; border: 1px solid var(--line); border-radius: 999px; color: var(--muted); font-size: .78rem; font-weight: 850; }
.projects-nav a:hover { border-color: var(--red); color: var(--red); }
.project-group { padding: 42px 0; border-top: 1px solid var(--line); }
.project-group:first-of-type { border-top: 0; }
.project-group-heading { display: block; margin-bottom: 24px; }
.project-group-heading h2 { margin: 0; font-size: clamp(2.25rem, 5vw, 3.8rem); letter-spacing: -.045em; line-height: 1; white-space: nowrap; }
.project-cards { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 15px; }
.project-cards-single { grid-template-columns: minmax(0, 1fr); }
.project-card { display: flex; min-width: 0; flex-direction: column; overflow: hidden; border: 1px solid var(--line); border-radius: 20px; background: var(--white); transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease; }
.project-card:hover { transform: translateY(-4px); border-color: #d2d2d8; box-shadow: 0 22px 50px rgba(12,12,16,.11); }
.project-card-media { position: relative; overflow: hidden; aspect-ratio: 16 / 9; background: #dedee2; }
.project-card-media img { width: 100%; height: 100%; object-fit: cover; transition: transform .45s ease; }
.project-card:hover .project-card-media img { transform: scale(1.035); }
.project-card-media::after { content: ''; position: absolute; inset: 0; background: linear-gradient(180deg, rgba(0,0,0,.08), transparent 42%, rgba(0,0,0,.38)); pointer-events: none; }
.project-card-media span { position: absolute; right: 13px; bottom: 12px; z-index: 1; padding: 7px 10px; border: 1px solid rgba(255,255,255,.24); border-radius: 999px; color: rgba(255,255,255,.88); background: rgba(8,8,11,.54); backdrop-filter: blur(8px); font-size: .6rem; font-weight: 800; letter-spacing: .08em; text-transform: uppercase; }
.project-card-body { display: flex; flex: 1; flex-direction: column; padding: 27px; }
.project-client-brand { display: flex; min-height: 68px; align-items: center; gap: 14px; margin-bottom: 20px; padding: 10px 12px; border: 1px solid var(--line); border-radius: 14px; background: var(--soft); }
.client-logo-placeholder { display: grid; width: 48px; height: 48px; flex: 0 0 48px; place-items: center; border-radius: 11px; color: var(--white); background: var(--red); font-size: .72rem; font-weight: 950; letter-spacing: -.02em; }
.project-client-brand strong { color: #3c3c43; font-size: .72rem; font-weight: 900; letter-spacing: .07em; line-height: 1.35; text-transform: uppercase; }
.client-logo-image { width: 92px; max-width: 42%; max-height: 48px; object-fit: contain; object-position: left center; }
.project-card h3 { margin: 0 0 18px; font-size: 1.25rem; line-height: 1.25; }
.project-card h3 a:hover { color: var(--red); }
.project-meta { display: grid; gap: 9px; margin: 0; }
.project-meta div { display: grid; grid-template-columns: 95px 1fr; gap: 15px; padding-top: 9px; border-top: 1px solid var(--line); }
.project-meta dt { color: var(--muted); font-size: .73rem; font-weight: 800; text-transform: uppercase; }
.project-meta dd { margin: 0; font-size: .87rem; line-height: 1.5; }
.project-meta .project-meta-highlight { margin: 2px 0 4px; padding: 12px 13px; border: 1px solid rgba(238,18,27,.18); border-radius: 11px; background: rgba(238,18,27,.055); }
.project-meta .project-meta-highlight dt { color: var(--red); }
.project-meta .project-meta-highlight dd { font-weight: 750; }
.project-detail-link { display: inline-flex; align-items: center; gap: 8px; align-self: flex-start; margin-top: auto; padding-top: 22px; color: var(--red); font-size: .82rem; font-weight: 900; }
.project-detail-link::after { content: '→'; transition: transform .2s ease; }
.project-detail-link:hover::after { transform: translateX(4px); }
.project-card-wide { grid-column: 1 / -1; display: grid; grid-template-columns: minmax(0, .92fr) minmax(0, 1.08fr); }
.project-card-wide .project-card-media { height: 100%; min-height: 360px; aspect-ratio: auto; }
.project-detail-layout { display: grid; grid-template-columns: minmax(260px, .55fr) minmax(0, 1.15fr); gap: 24px; align-items: start; }
.project-detail-client, .project-detail-data { border: 1px solid var(--line); border-radius: 24px; background: var(--white); box-shadow: var(--shadow); }
.project-detail-client { position: sticky; top: 110px; padding: 32px; }
.project-detail-client .project-client-brand { margin: 0 0 24px; }
.project-detail-client > p { margin: 0; color: var(--muted); line-height: 1.65; }
.project-detail-data { padding: 38px; }
.project-detail-data h2 { margin: 0 0 28px; font-size: clamp(2rem, 4vw, 3.4rem); letter-spacing: -.045em; line-height: 1; }
.project-detail-data .project-meta div { grid-template-columns: 130px 1fr; padding: 15px 0; }
.project-detail-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 30px; }
.financing-home { background: linear-gradient(180deg, var(--white), #f3f3f5); }
.financing-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; align-items: start; }
.financing-card { overflow: hidden; border: 1px solid var(--line); border-radius: 24px; background: var(--white); box-shadow: 0 18px 48px rgba(12,12,16,.08); transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease; }
.financing-card:hover { transform: translateY(-4px); border-color: #d3d3d9; box-shadow: 0 24px 58px rgba(12,12,16,.13); }
.financing-card-media { position: relative; display: grid; aspect-ratio: 1 / 1; place-items: center; overflow: hidden; padding: 0; background: #ededf0; }
.financing-card-media::after { content: 'Ver flyer'; position: absolute; right: 14px; bottom: 14px; padding: 7px 10px; border-radius: 999px; color: var(--white); background: rgba(8,8,11,.7); font-size: .65rem; font-weight: 850; letter-spacing: .06em; text-transform: uppercase; opacity: 0; transform: translateY(5px); transition: opacity .2s ease, transform .2s ease; }
.financing-card:hover .financing-card-media::after { opacity: 1; transform: none; }
.financing-card-media img { width: 100%; height: 100%; object-fit: cover; transition: transform .35s ease; }
.financing-card:hover .financing-card-media img { transform: scale(1.018); }
.financing-card-body { display: flex; min-height: 210px; flex-direction: column; align-items: flex-start; padding: 25px; }
.financing-bank { display: inline-flex; margin-bottom: 14px; padding: 7px 10px; border-radius: 999px; color: var(--red); background: rgba(238,18,27,.08); font-size: .68rem; font-weight: 900; letter-spacing: .08em; text-transform: uppercase; }
.financing-card h3 { margin: 0; font-size: 1.35rem; line-height: 1.2; letter-spacing: -.025em; }
.financing-card-body > p { margin: 12px 0 0; color: var(--muted); font-size: .88rem; line-height: 1.6; }
.financing-card-body .financing-validity { color: var(--ink); font-weight: 800; }
.financing-card-body .text-link { margin-top: auto; padding-top: 22px; font-size: .84rem; }
.financing-all-link { margin: 30px 0 0; }
.financing-empty { grid-column: 1 / -1; padding: 46px; border: 1px solid var(--line); border-radius: 24px; text-align: center; background: var(--soft); }
.financing-empty strong { display: block; font-size: clamp(1.55rem, 3vw, 2.5rem); letter-spacing: -.04em; }
.financing-empty p { max-width: 620px; margin: 12px auto 24px; color: var(--muted); line-height: 1.65; }
.financing-empty-home { text-align: left; }
.financing-empty-home p { margin-left: 0; }
.financing-hero .page-hero-bg { filter: saturate(.7); }
.steel-hero .page-hero-bg { background-position: center 64%; filter: saturate(.7) contrast(1.08); }
.steel-hero::after { background: linear-gradient(90deg, rgba(6,6,9,.98), rgba(6,6,9,.72) 58%, rgba(6,6,9,.18)), linear-gradient(0deg, rgba(0,0,0,.68), transparent 60%); }
.steel-gallery-group { padding-top: 70px; }
.steel-gallery-group + .steel-gallery-group { margin-top: 72px; border-top: 1px solid var(--line); }
.steel-group-heading { display: flex; align-items: end; justify-content: space-between; gap: 36px; margin-bottom: 30px; }
.steel-group-heading h2 { margin: 0; font-size: clamp(2.4rem, 5vw, 4.3rem); line-height: .95; letter-spacing: -.055em; }
.steel-group-heading p { margin: 12px 0 0; color: var(--muted); line-height: 1.6; }
.steel-gallery { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; align-items: start; }
.steel-product-card { overflow: hidden; border: 1px solid var(--line); border-radius: 22px; background: var(--white); box-shadow: 0 18px 44px rgba(12,12,16,.07); transition: transform .25s ease, border-color .25s ease, box-shadow .25s ease; }
.steel-product-card:hover { transform: translateY(-4px); border-color: #d1d1d7; box-shadow: 0 24px 54px rgba(12,12,16,.12); }
.steel-product-media { aspect-ratio: 1; background-color: #222228; background-image: var(--product-image), radial-gradient(circle at 76% 18%, rgba(238,18,27,.52), transparent 28%), repeating-linear-gradient(135deg, transparent 0 24px, rgba(255,255,255,.08) 24px 31px), linear-gradient(145deg, #3a3a40, #0d0d11); background-position: center; background-repeat: no-repeat; background-size: cover, auto, auto, auto; }
.steel-product-body { padding: 26px; }
.steel-product-body h3 { margin: 0 0 10px; font-size: 1.38rem; line-height: 1.2; }
.steel-product-body > p { min-height: 52px; margin: 0; color: var(--muted); font-size: .91rem; line-height: 1.58; }
.steel-product-body details { margin-top: 20px; padding-top: 17px; border-top: 1px solid var(--line); }
.steel-product-body summary { color: var(--red); font-size: .8rem; font-weight: 900; cursor: pointer; list-style-position: inside; }
.steel-product-body details p { margin: 15px 0 0; color: #494950; font-size: .84rem; line-height: 1.65; }
.steel-product-body details strong { color: var(--ink); }
.size-pills { display: flex; flex-wrap: wrap; gap: 7px; margin: 15px 0 0; padding: 0; list-style: none; }
.size-pills li { padding: 7px 10px; border: 1px solid #e2e2e7; border-radius: 999px; color: #303037; background: #f5f5f7; font-size: .74rem; font-weight: 780; line-height: 1.2; }
.size-pills-wide li { border-radius: 12px; }
.size-groups { display: grid; gap: 16px; margin-top: 16px; }
.size-group h4 { margin: 0; color: #696972; font-size: .71rem; font-weight: 900; letter-spacing: .055em; text-transform: uppercase; }
.size-group .size-pills { margin-top: 8px; }
.steel-product-body details .size-note { margin-top: 11px; color: var(--muted); font-size: .76rem; }
.providers-section { padding: 58px 0; }
.providers-feature { display: grid; grid-template-columns: minmax(0, .85fr) minmax(420px, 1.15fr); gap: 42px; align-items: center; }
.providers-copy h2 { margin: 0; font-size: clamp(2.2rem, 4vw, 3.8rem); line-height: .94; letter-spacing: -.06em; }
.providers-copy p { max-width: 560px; margin: 18px 0 0; color: rgba(255,255,255,.67); font-size: .94rem; line-height: 1.65; }
.provider-list { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
.provider-card { position: relative; overflow: hidden; padding: 16px; border: 1px solid rgba(255,255,255,.12); border-radius: 18px; background: #19191e; }
.provider-card::after { content: ''; position: absolute; inset: 0 0 auto; height: 4px; background: var(--red); }
.provider-logo { display: grid; height: 82px; overflow: hidden; place-items: center; padding: 12px 18px; border-radius: 13px; background: var(--white); }
.provider-logo img { display: block; max-width: 100%; max-height: 100%; width: auto; height: auto; object-fit: contain; }
.availability-note { margin-top: 28px; padding: 22px 24px; border-left: 4px solid var(--red); border-radius: 0 15px 15px 0; color: #404047; background: var(--soft); line-height: 1.65; }
.site-footer { padding: 64px 0 28px; color: var(--white); background: #08080a; }
.footer-main { display: grid; grid-template-columns: 1.25fr repeat(3, .75fr); gap: 44px; padding-bottom: 42px; }
.footer-brand img { width: 58px; }
.footer-brand p { max-width: 330px; color: rgba(255,255,255,.56); font-size: .88rem; line-height: 1.65; }
.footer-certification { display: flex; width: min(240px, 100%); margin-top: 20px; overflow: hidden; padding: 8px 10px; }
.footer-brand .footer-certification img { display: block; width: 100%; height: auto; object-fit: contain; }
.footer-col h3 { margin: 0 0 16px; color: rgba(255,255,255,.48); font-size: .68rem; letter-spacing: .12em; text-transform: uppercase; }
.footer-col { display: grid; align-content: start; gap: 10px; font-size: .84rem; }
.footer-col a { color: rgba(255,255,255,.75); }
.footer-col a[href*="instagram.com"], .footer-col a[href*="facebook.com"], .footer-col a[href*="linkedin.com"], .footer-col a[href*="youtube.com"] { display: inline-flex; align-items: center; gap: 9px; }
.footer-col a[href*="instagram.com"]::before, .footer-col a[href*="facebook.com"]::before, .footer-col a[href*="linkedin.com"]::before { content: ''; width: 15px; height: 15px; flex: 0 0 15px; background: center / contain no-repeat; filter: invert(1); opacity: .78; }
.footer-col a[href*="instagram.com"]::before { background-image: url('../imagenes/iconos/instagram.svg'); }
.footer-col a[href*="facebook.com"]::before { background-image: url('../imagenes/iconos/facebook.svg'); }
.footer-col a[href*="linkedin.com"]::before { background-image: url('../imagenes/iconos/linkedin.svg'); }
.footer-col a[href*="youtube.com"]::before { content: '▶'; display: grid; width: 18px; height: 13px; flex: 0 0 18px; place-items: center; border-radius: 4px; color: #000; background: var(--white); font-size: 7px; line-height: 1; opacity: .88; }
.footer-col a:hover { color: var(--white); }
.footer-bottom { display: flex; justify-content: space-between; gap: 25px; padding-top: 24px; border-top: 1px solid rgba(255,255,255,.1); color: rgba(255,255,255,.4); font-size: .75rem; }
.social-rail { position: fixed; top: 50%; right: 18px; z-index: 76; display: flex; flex-direction: column; align-items: center; gap: 8px; padding: 12px 8px; border: 1px solid rgba(255,255,255,.12); border-radius: 999px; color: var(--white); background: rgba(10,10,13,.78); box-shadow: 0 16px 38px rgba(0,0,0,.22); backdrop-filter: blur(12px); transform: translateY(-50%); }
.social-rail > span { margin: 8px 0 7px; color: rgba(255,255,255,.56); font-size: .55rem; font-weight: 900; letter-spacing: .16em; text-transform: uppercase; writing-mode: vertical-rl; transform: rotate(180deg); }
.social-rail a { display: grid; width: 38px; height: 38px; place-items: center; border: 1px solid rgba(255,255,255,.14); border-radius: 50%; color: rgba(255,255,255,.82); background: rgba(255,255,255,.06); transition: color .2s ease, background .2s ease, border-color .2s ease, transform .2s ease; }
.social-rail a img { width: 18px; height: 18px; filter: invert(1); }
.social-rail a:hover, .social-rail a:focus-visible { color: var(--white); border-color: var(--red); background: var(--red); transform: scale(1.07); outline: none; }
.whatsapp-float { position: fixed; right: 20px; bottom: 20px; z-index: 80; display: grid; width: 56px; height: 56px; place-items: center; border-radius: 50%; color: var(--white); background: #1eaa59; box-shadow: 0 15px 34px rgba(0,0,0,.24); font-size: .7rem; font-weight: 900; }
.whatsapp-float img { width: 27px; height: 27px; filter: invert(1); }
.reveal { opacity: 0; transform: translateY(20px); transition: opacity .5s ease, transform .5s ease; }
.reveal.visible { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } .hero-video { display: none; } .reveal { opacity: 1; transform: none; transition: none; } }
@media (max-width: 1120px) {
  .menu-toggle { display: block; }
  .main-nav { position: fixed; inset: 88px 14px auto; display: none; max-height: calc(100svh - 105px); overflow: auto; padding: 22px; border-radius: 20px; background: rgba(12,12,15,.98); box-shadow: var(--shadow); }
  .main-nav.active { display: grid; gap: 0; }
  .main-nav a { padding: 15px 5px; border-bottom: 1px solid rgba(255,255,255,.1); }
  .main-nav .nav-cta { margin-top: 14px; text-align: center; border-bottom: 0; }
}
@media (max-width: 1020px) {
  .menu-toggle { display: block; }
  .main-nav { position: fixed; inset: 88px 14px auto; display: none; max-height: calc(100svh - 105px); overflow: auto; padding: 22px; border-radius: 20px; background: rgba(12,12,15,.98); box-shadow: var(--shadow); }
  .main-nav.active { display: grid; gap: 0; }
  .main-nav a { padding: 15px 5px; border-bottom: 1px solid rgba(255,255,255,.1); }
  .main-nav .nav-cta { margin-top: 14px; text-align: center; border-bottom: 0; }
  .hero-grid, .section-heading, .lab-feature, .contact-grid, .content-grid, .project-detail-layout { grid-template-columns: 1fr; }
  .solutions-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .hero-proof { grid-template-columns: repeat(3, 1fr); }
  .hero-proof div { grid-template-columns: 1fr; gap: 8px; }
  .content-intro { position: static; }
  .project-detail-client { position: static; }
  .map-layout { grid-template-columns: 300px 1fr; }
  .quality-control-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .store-promo { grid-template-columns: minmax(0, 1fr) 300px; }
  .store-promo-copy { padding-left: 44px; }
  .store-promo-character img { right: -24px; width: 330px; }
  .project-cards { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .financing-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .providers-feature { grid-template-columns: 1fr; }
  .steel-gallery { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .project-cards-single { grid-template-columns: minmax(0, 1fr); }
  .footer-main { grid-template-columns: 1.3fr repeat(2, 1fr); }
  .certification-summary-grid, .certification-detail-grid { grid-template-columns: 1fr; }
  .certification-compact-grid { grid-template-columns: minmax(220px, 290px) minmax(0, 1fr); gap: 38px; }
  .certification-panel { width: min(100%, 620px); }
  .certification-detail-grid .certification-panel { position: static; }
}
@media (max-width: 760px) {
  .container { width: min(100% - 28px, var(--container)); }
  .section { padding: 70px 0; }
  .hero { min-height: 100svh; padding: 118px 0 54px; }
  .hero-photo { background-position: 61% center; }
  .hero h1 { font-size: clamp(3rem, 15vw, 5rem); }
  .hero-grid { gap: 38px; }
  .hero-proof { grid-template-columns: 1fr; }
  .hero-proof div { grid-template-columns: 70px 1fr; padding: 17px 20px; }
  .trust-grid, .solutions-grid, .project-preview-grid, .project-cards, .process-grid, .financing-grid { grid-template-columns: 1fr; }
  .quality-control-grid .process-card:last-child { grid-column: auto; }
  .trust-strip { margin-top: -22px; padding-bottom: 8px; }
  .trust-grid { gap: 10px; }
  .trust-item, .trust-item:last-child { min-height: 0; padding: 24px; border: 1px solid rgba(14,14,18,.08); }
  .section-heading { gap: 18px; margin-bottom: 32px; }
  .solution-card { min-height: 380px; }
  .map-layout { grid-template-columns: 1fr; }
  .plant-list { padding: 28px 22px; }
  .map-frame, .map-frame iframe { min-height: 390px; }
  .featured-project { min-height: 440px; }
  .lab-aside { min-height: 380px; padding: 30px; }
  .lab-content { padding: 30px; }
  .store-promo-section { padding-top: 70px; }
  .store-promo { grid-template-columns: 1fr; min-height: 0; }
  .store-promo-copy { z-index: 1; padding: 42px 30px 0; }
  .store-promo-copy h2 { max-width: 620px; }
  .store-promo-character { min-height: 390px; }
  .store-promo-character img { right: 50%; bottom: -135px; width: 310px; transform: translateX(50%); }
  .cta-band { grid-template-columns: 1fr; padding: 32px; }
  .contact-form { grid-template-columns: 1fr; padding: 24px; }
  .contact-form .full { grid-column: auto; }
  .page-hero { min-height: 570px; padding: 140px 0 55px; }
  .page-hero h1 { font-size: clamp(3rem, 15vw, 5.2rem); }
  .project-group-heading { grid-template-columns: 1fr; gap: 8px; }
  .project-meta div { grid-template-columns: 1fr; gap: 4px; }
  .visual-info-cards { grid-template-columns: 1fr; }
  .project-card-wide { grid-column: auto; display: flex; }
  .project-card-wide .project-card-media { min-height: 0; aspect-ratio: 16 / 9; }
  .footer-main { grid-template-columns: 1fr 1fr; }
  .certification-panel { padding: 28px 22px 24px; }
  .certification-home-compact { padding: 42px 0; }
  .certification-compact-grid { grid-template-columns: 1fr; gap: 30px; }
  .certification-panel-compact { width: min(100%, 310px); padding: 22px 20px 18px; }
  .certification-compact-copy h2 { font-size: clamp(1.85rem, 9vw, 2.7rem); }
  .certification-marks { gap: 18px; }
  .certification-divider { min-height: 140px; }
  .certification-data { grid-template-columns: 1fr; }
  .footer-brand { grid-column: 1 / -1; }
  .footer-bottom { flex-direction: column; }
  .social-rail { top: auto; right: auto; bottom: 16px; left: 14px; flex-direction: row; padding: 7px; transform: none; }
  .social-rail > span { display: none; }
  .social-rail a { width: 40px; height: 40px; }
  .steel-group-heading { display: grid; align-items: start; gap: 16px; }
  .steel-gallery { grid-template-columns: 1fr; }
  .provider-list { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 460px) {
  .provider-list { grid-template-columns: 1fr; }
  .brand img { width: 62px; height: 62px; }
  .site-header.scrolled .brand img, .site-header.menu-open .brand img, .site-header.header-solid .brand img { width: 56px; height: 56px; }
  .main-nav { inset-block-start: 82px; }
  .store-promo-copy { padding: 36px 24px 0; }
  .store-promo-copy h2 { font-size: 2.55rem; }
  .store-promo-character { min-height: 340px; }
  .store-promo-character img { bottom: -125px; width: 275px; }
  .hero-actions .btn { width: 100%; }
  .footer-main { grid-template-columns: 1fr; }
  .footer-brand { grid-column: auto; }
}