:root {
  --red: #dc1f26;
  --red-dark: #af1017;
  --ink: #14171c;
  --ink-soft: #3f4650;
  --muted: #69717c;
  --line: #e4e7eb;
  --surface: #f5f6f8;
  --white: #fff;
  --max: 1180px;
  --radius: 18px;
  --shadow: 0 18px 50px rgba(20, 23, 28, .09);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--ink); background: var(--white); font-family: "Open Sans", Arial, sans-serif; font-size: 16px; line-height: 1.65; }
img { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
h1, h2, h3, h4 { margin: 0 0 .7em; font-family: Montserrat, Arial, sans-serif; line-height: 1.12; letter-spacing: -.035em; }
h1 { font-size: clamp(2.45rem, 5vw, 4.9rem); }
h2 { font-size: clamp(2rem, 3.2vw, 3.2rem); }
h3 { font-size: 1.2rem; }
p { margin: 0 0 1.2em; }
.container { width: min(calc(100% - 40px), var(--max)); margin-inline: auto; }
.content-narrow { max-width: 840px; }
.section { padding: clamp(72px, 9vw, 120px) 0; }
.section-muted { background: var(--surface); }
.screen-reader-text { 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: 9999; top: -60px; left: 20px; padding: 12px 18px; color: #fff; background: var(--ink); }
.skip-link:focus { top: 20px; }
.eyebrow { margin-bottom: 14px; color: var(--red); font-family: Montserrat, sans-serif; font-size: .76rem; font-weight: 800; letter-spacing: .14em; text-transform: uppercase; }

.button { display: inline-flex; min-height: 48px; align-items: center; justify-content: center; padding: 12px 22px; border: 2px solid var(--red); border-radius: 10px; color: #fff; background: var(--red); font-family: Montserrat, sans-serif; font-size: .86rem; font-weight: 700; transition: .2s ease; }
.button:hover, .button:focus { border-color: var(--red-dark); background: var(--red-dark); transform: translateY(-1px); }
.button-outline { color: var(--ink); background: transparent; }
.button-outline:hover, .button-outline:focus { color: #fff; }
.button-small { min-height: 40px; padding: 8px 16px; font-size: .75rem; }
.button-light { border-color: #fff; color: var(--ink); background: #fff; }
.button-ghost { border-color: rgba(255,255,255,.38); color: #fff; background: transparent; }
.text-link { color: var(--red); font-family: Montserrat, sans-serif; font-size: .86rem; font-weight: 700; }

.site-header { position: sticky; z-index: 1000; top: 0; border-bottom: 1px solid rgba(20,23,28,.08); background: rgba(255,255,255,.95); backdrop-filter: blur(12px); }
.header-inner { display: flex; min-height: 92px; align-items: center; gap: 28px; }
.brand { display: block; width: 360px; margin-right: auto; }
.brand img, .brand .custom-logo { width: 100%; max-height: 100px; object-fit: contain; }
.primary-nav .menu, .footer-menu { display: flex; margin: 0; padding: 0; list-style: none; }
.primary-nav .menu { align-items: center; gap: 28px; }
.primary-nav a { position: relative; padding: 30px 0; font-family: Montserrat, sans-serif; font-size: .78rem; font-weight: 700; }
.primary-nav a::after { position: absolute; right: 0; bottom: 20px; left: 0; height: 2px; content: ""; background: var(--red); transform: scaleX(0); transition: .2s ease; }
.primary-nav a:hover::after, .primary-nav .current-menu-item a::after { transform: scaleX(1); }
.menu-toggle { display: none; width: 44px; height: 44px; padding: 10px; border: 0; background: transparent; }
.menu-toggle span:not(.screen-reader-text) { display: block; height: 2px; margin: 5px 0; background: var(--ink); }

.hero { position: relative; min-height: 690px; overflow: hidden; color: #fff; background: radial-gradient(circle at 75% 50%, rgba(220,31,38,.25), transparent 30%), linear-gradient(118deg, #101217 0%, #181b21 58%, #260d10 100%); }
.hero::before { position: absolute; inset: 0; content: ""; opacity: .25; background-image: linear-gradient(135deg, transparent 0 48%, rgba(255,255,255,.04) 49% 50%, transparent 51%); background-size: 54px 54px; }
.hero-grid { position: relative; display: grid; min-height: 690px; align-items: center; grid-template-columns: .9fr 1.1fr; gap: 40px; }
.hero-copy { z-index: 2; padding: 86px 0; }
.hero-copy h1 { max-width: 720px; }
.hero-lead { max-width: 650px; color: rgba(255,255,255,.76); font-size: 1.13rem; }
.hero-actions { display: flex; margin: 32px 0 34px; flex-wrap: wrap; gap: 12px; }
.hero .button-outline { border-color: rgba(255,255,255,.55); color: #fff; }
.trust-list { display: flex; padding: 0; color: rgba(255,255,255,.75); list-style: none; flex-wrap: wrap; gap: 12px 24px; font-size: .82rem; }
.trust-list li::before { margin-right: 8px; color: var(--red); content: "●"; }
.hero-visual { position: relative; display: grid; min-height: 620px; place-items: center; }
.hero-product { position: relative; z-index: 2; width: min(680px, 115%); max-height: 590px; object-fit: contain; filter: drop-shadow(0 35px 36px rgba(0,0,0,.42)); transform: translate(5%, -75px); }
.hero-glow { position: absolute; width: 70%; aspect-ratio: 1; border-radius: 50%; background: radial-gradient(circle, rgba(220,31,38,.32), transparent 68%); }

.section-heading { display: flex; align-items: end; justify-content: space-between; margin-bottom: 42px; gap: 30px; }
.section-heading h2 { max-width: 720px; margin-bottom: 0; }
.company-preview { color: #fff; background: #15181e; }
.company-preview-grid { display: grid; align-items: center; grid-template-columns: .9fr 1.1fr; gap: clamp(40px, 8vw, 110px); }
.company-preview h2 { max-width: 650px; margin: 0; }
.company-preview p:not(.eyebrow) { color: rgba(255,255,255,.74); font-size: 1.08rem; line-height: 1.8; }
.company-preview .text-link { color: #fff; }
.company-page-grid { display: grid; align-items: start; grid-template-columns: minmax(0,1.2fr) minmax(300px,.8fr); gap: clamp(45px,8vw,110px); }
.company-content { font-size: 1.05rem; line-height: 1.85; }
.company-content > *:first-child { margin-top: 0; }
.company-pillars { display: grid; padding: 10px 0; border-top: 1px solid var(--line); }
.company-pillars div { display: grid; padding: 22px 0; border-bottom: 1px solid var(--line); gap: 6px; }
.company-pillars strong { color: var(--ink); font-family: Montserrat, sans-serif; }
.company-pillars span { color: var(--muted); font-size: .9rem; line-height: 1.6; }
.production-video-grid { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 24px; }
.production-video-card { overflow: hidden; border: 1px solid var(--line); border-radius: 16px; background: #fff; box-shadow: 0 14px 36px rgba(16,18,23,.06); }
.production-video-media { position: relative; overflow: hidden; background: #101217; aspect-ratio: 16/9; }
.production-video-media video, .production-video-media iframe, .production-video-media img { display: block; width: 100%; height: 100%; border: 0; object-fit: cover; }
.production-video-placeholder { display: grid; width: 100%; height: 100%; color: #fff; background: linear-gradient(135deg,#171a20,#351014); place-items: center; }
.production-video-placeholder span { display: grid; width: 62px; height: 62px; padding-left: 4px; border: 2px solid rgba(255,255,255,.7); border-radius: 50%; place-items: center; }
.production-video-copy { padding: 22px; }
.production-video-copy h3 { margin-bottom: 8px; font-size: 1rem; }
.production-video-copy p { margin: 0; color: var(--muted); font-size: .88rem; line-height: 1.6; }
.category-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px; }
.category-card { position: relative; display: grid; min-height: 280px; overflow: hidden; padding: 36px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); grid-template-columns: 1.2fr .8fr; transition: .25s ease; }
.category-card:hover { border-color: rgba(220,31,38,.35); box-shadow: var(--shadow); transform: translateY(-3px); }
.category-card h3 { font-size: 1.5rem; }
.category-card p { color: var(--muted); }
.category-card span { color: var(--red); font-family: Montserrat, sans-serif; font-size: .8rem; font-weight: 700; }
.category-card img { align-self: end; width: 100%; max-height: 200px; object-fit: contain; filter: drop-shadow(0 18px 16px rgba(20,23,28,.18)); }

.product-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; }
.product-card { overflow: hidden; border: 1px solid var(--line); border-radius: var(--radius); background: #fff; transition: .25s ease; }
.product-card:hover { box-shadow: var(--shadow); transform: translateY(-4px); }
.product-card-image { display: grid; min-height: 270px; padding: 24px; background: linear-gradient(145deg, #fff, #f1f3f5); place-items: center; }
.product-card-image img { width: 100%; height: 230px; object-fit: contain; }
.product-card-body { padding: 24px; }
.product-card-body h3 { margin-bottom: 10px; }
.product-card-body h3 a:hover { color: var(--red); }
.product-card-body p { color: var(--muted); font-size: .9rem; }
.product-category { margin-bottom: 8px !important; color: var(--red) !important; font-family: Montserrat, sans-serif; font-size: .67rem !important; font-weight: 700; letter-spacing: .06em; text-transform: uppercase; }

.benefits { background: #fff; }
.benefits-grid { display: grid; align-items: center; grid-template-columns: .8fr 1.2fr; gap: clamp(50px, 9vw, 120px); }
.benefits-copy > p:not(.eyebrow) { color: var(--muted); }
.benefit-list { border-top: 1px solid var(--line); }
.benefit-list article { display: grid; padding: 28px 0; border-bottom: 1px solid var(--line); grid-template-columns: 56px 1fr; gap: 18px; }
.benefit-list article > span { color: var(--red); font-family: Montserrat, sans-serif; font-weight: 800; }
.benefit-list h3 { margin-bottom: 4px; }
.benefit-list p { margin: 0; color: var(--muted); }
.manuals-cta { padding: 75px 0; color: #fff; background: var(--red); }
.manuals-cta .eyebrow { color: rgba(255,255,255,.7); }
.manuals-inner { display: flex; align-items: center; justify-content: space-between; gap: 50px; }
.manuals-inner > div:first-child { max-width: 700px; }
.manuals-inner h2 { margin-bottom: 12px; }
.manuals-inner p { margin-bottom: 0; color: rgba(255,255,255,.82); }
.manuals-actions { display: flex; flex-shrink: 0; flex-wrap: wrap; gap: 10px; }

.page-hero { padding: 100px 0; color: #fff; background: linear-gradient(120deg, #111318, #20242b); }
.page-hero.compact h1 { max-width: 850px; font-size: clamp(2.5rem, 5vw, 4.2rem); }
.page-hero p:last-child { max-width: 760px; color: rgba(255,255,255,.72); font-size: 1.05rem; }
.catalog-tools { display: flex; justify-content: space-between; margin-bottom: 34px; gap: 16px; }
.catalog-tools select, .catalog-tools input { min-height: 48px; padding: 10px 14px; border: 1px solid var(--line); border-radius: 9px; background: #fff; font: inherit; }
.catalog-tools select { min-width: 280px; }
.catalog-search { display: flex; width: min(520px, 100%); }
.catalog-search input { width: 100%; border-radius: 9px 0 0 9px; }
.catalog-search button { padding: 0 20px; border: 0; border-radius: 0 9px 9px 0; color: #fff; background: var(--red); font-weight: 700; }
.pagination { margin-top: 40px; }
.nav-links { display: flex; gap: 8px; }
.page-numbers { display: grid; min-width: 42px; height: 42px; padding: 0 10px; border: 1px solid var(--line); border-radius: 8px; place-items: center; }
.page-numbers.current { border-color: var(--red); color: #fff; background: var(--red); }

.product-detail-grid { display: grid; align-items: start; grid-template-columns: 1fr 1fr; gap: clamp(50px, 8vw, 110px); }
.product-gallery { position: sticky; top: 120px; min-width: 0; }
.product-gallery-stage { position: relative; display: grid; min-height: 560px; padding: 48px; border-radius: var(--radius); background: var(--surface); place-items: center; }
.product-gallery-slide { display: none; width: 100%; max-height: 500px; object-fit: contain; }
.product-gallery-slide.is-active { display: block; }
.gallery-arrow { position: absolute; top: 50%; display: grid; width: 44px; height: 44px; border: 1px solid var(--line); border-radius: 50%; color: var(--ink); background: rgba(255,255,255,.92); box-shadow: 0 8px 20px rgba(20,23,28,.12); cursor: pointer; place-items: center; font-size: 2rem; line-height: 1; transform: translateY(-50%); }
.gallery-prev { left: 16px; }
.gallery-next { right: 16px; }
.product-gallery-thumbs { display: flex; margin-top: 12px; overflow-x: auto; padding: 3px; gap: 8px; }
.gallery-thumb { display: grid; width: 72px; min-width: 72px; height: 72px; padding: 6px; border: 2px solid transparent; border-radius: 9px; background: var(--surface); cursor: pointer; place-items: center; }
.gallery-thumb.is-active { border-color: var(--red); }
.gallery-thumb img { width: 100%; height: 100%; object-fit: contain; }
.product-lead { color: var(--ink-soft); font-size: 1.15rem; }
.product-specs { margin: 30px 0; border-top: 1px solid var(--line); }
.product-specs div { display: grid; padding: 13px 0; border-bottom: 1px solid var(--line); grid-template-columns: 140px 1fr; }
.product-specs dt { color: var(--muted); }
.product-specs dd { margin: 0; font-weight: 700; }
.product-audio { margin: 20px 0 8px; padding: 16px 18px; border: 1px solid rgba(32,180,90,.28); border-radius: 12px; background: rgba(32,180,90,.06); }
.product-audio summary { color: var(--ink); cursor: pointer; font-family: Montserrat, sans-serif; font-size: .9rem; font-weight: 800; list-style: none; }
.product-audio summary::-webkit-details-marker { display: none; }
.product-audio summary span { display: inline-grid; width: 25px; height: 25px; margin-right: 8px; border-radius: 50%; color: #fff; background: #20b45a; place-items: center; font-size: .65rem; }
.product-audio > div { padding-top: 14px; }
.product-audio p { margin-bottom: 10px; color: var(--muted); font-size: .78rem; }
.product-audio audio { display: block; width: 100%; }
.product-more { margin-top: 18px; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.product-more summary { display: flex; align-items: center; justify-content: space-between; padding: 16px 2px; color: var(--red); cursor: pointer; font-family: Montserrat, sans-serif; font-size: .8rem; font-weight: 800; list-style: none; }
.product-more summary::-webkit-details-marker { display: none; }
.product-more-icon { font-size: 1.4rem; transition: transform .2s ease; }
.product-more[open] .product-more-icon { transform: rotate(45deg); }
.product-content { padding: 6px 0 22px; }
.product-content h2 { margin-bottom: 16px; font-size: 1.35rem; }
.product-actions { display: flex; margin-top: 34px; flex-wrap: wrap; gap: 10px; }
.manual-list { display: grid; gap: 12px; }
.manual-resources { background: #f7f8fa; }
.catalog-download-card { display: grid; grid-template-columns: auto minmax(0, 1fr) auto; align-items: center; margin-bottom: 54px; padding: clamp(26px, 4vw, 42px); border: 1px solid rgba(226,29,36,.2); border-radius: var(--radius); background: #fff; box-shadow: 0 18px 50px rgba(16,18,23,.07); gap: 26px; }
.catalog-download-icon { display: grid; width: 76px; height: 92px; border-radius: 9px 9px 14px 9px; color: #fff; background: var(--red); place-items: center; font-family: Montserrat, sans-serif; font-size: .85rem; font-weight: 800; box-shadow: 0 12px 26px rgba(226,29,36,.24); }
.catalog-download-copy .eyebrow { margin-bottom: 7px; }
.catalog-download-copy h2 { margin-bottom: 8px; font-size: clamp(1.35rem, 2.4vw, 2rem); }
.catalog-download-copy p:last-child { margin: 0; color: var(--muted); }
.manual-section-heading { margin-bottom: 24px; }
.manual-section-heading .eyebrow { margin-bottom: 6px; }
.manual-section-heading h2 { margin: 0; font-size: clamp(1.45rem, 2.5vw, 2rem); }
.manual-row { display: flex; align-items: center; justify-content: space-between; padding: 20px 24px; border: 1px solid var(--line); border-radius: 12px; gap: 20px; }
.manual-row > div { display: flex; align-items: center; gap: 16px; }
.manual-row h2 { margin: 0; font-size: 1rem; }
.manual-icon { display: grid; width: 44px; height: 44px; border-radius: 8px; color: #fff; background: var(--red); place-items: center; font-size: .7rem; font-weight: 800; }
.empty-state { padding: 70px 0; text-align: center; }
.support-card { padding: clamp(30px, 5vw, 56px); border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); }
.support-card h2 { margin-bottom: 14px; }
.support-card > p:not(.eyebrow, .support-phone) { color: var(--muted); }
.support-phone { margin: 26px 0 20px; color: var(--ink); font-family: Montserrat, sans-serif; font-size: 1.35rem; }
.entry-card, .page-content { padding: 30px 0; border-bottom: 1px solid var(--line); }

.site-footer { padding: 70px 0 24px; color: rgba(255,255,255,.72); background: #101217; }
.footer-grid { display: grid; grid-template-columns: 1.2fr .8fr 1fr; gap: 70px; }
.footer-brand img { width: 240px; margin-bottom: 20px; filter: brightness(0) invert(1); }
.site-footer h2 { color: #fff; font-size: .9rem; letter-spacing: .02em; }
.footer-menu { flex-direction: column; gap: 8px; }
.footer-menu a:hover, .contact-list a:hover { color: #fff; }
.contact-list { margin: 0; padding: 0; list-style: none; }
.contact-list li { margin-bottom: 8px; }
.footer-bottom { display: flex; justify-content: space-between; margin-top: 60px; padding-top: 20px; border-top: 1px solid rgba(255,255,255,.1); gap: 20px; font-size: .78rem; }
.footer-bottom p { margin: 0; }
.floating-whatsapp { position: fixed; z-index: 900; right: 22px; bottom: 22px; display: grid; width: 58px; height: 58px; border: 3px solid #fff; border-radius: 50%; color: #fff; background: #20b45a; box-shadow: 0 12px 30px rgba(0,0,0,.25); place-items: center; font-weight: 800; }
.floating-whatsapp svg { width: 31px; height: 31px; }

@media (max-width: 1020px) {
  .header-cta { display: none; }
  .hero-grid { grid-template-columns: 1fr 1fr; }
  .product-grid { grid-template-columns: repeat(2, 1fr); }
  .category-card { padding: 28px; }
  .production-video-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 820px) {
  .container { width: min(calc(100% - 28px), var(--max)); }
  .header-inner { min-height: 76px; }
  .brand { width: 210px; }
  .menu-toggle { display: block; }
  .primary-nav { position: absolute; top: 76px; right: 0; left: 0; display: none; padding: 12px 20px 22px; border-top: 1px solid var(--line); background: #fff; }
  .primary-nav.is-open { display: block; }
  .primary-nav .menu { align-items: stretch; flex-direction: column; gap: 0; }
  .primary-nav a { display: block; padding: 12px 0; }
  .primary-nav a::after { display: none; }
  .hero { min-height: auto; }
  .hero-grid { padding-top: 40px; grid-template-columns: 1fr; }
  .hero-copy { padding: 50px 0 10px; }
  .hero-visual { min-height: 440px; }
  .hero-product { width: min(680px, 100%); transform: none; }
  .category-grid, .benefits-grid, .product-detail-grid, .company-preview-grid, .company-page-grid { grid-template-columns: 1fr; }
  .benefits-grid { gap: 50px; }
  .product-gallery { position: static; }
  .product-gallery-stage { min-height: 400px; }
  .manuals-inner, .section-heading { align-items: flex-start; flex-direction: column; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .footer-brand { grid-column: 1 / -1; }
}

@media (max-width: 560px) {
  h1 { font-size: 2.45rem; }
  h2 { font-size: 2rem; }
  .section { padding: 64px 0; }
  .hero-actions, .manuals-actions { flex-direction: column; }
  .hero-actions .button, .manuals-actions .button { width: 100%; }
  .trust-list { flex-direction: column; gap: 8px; }
  .hero-visual { min-height: 340px; }
  .category-grid, .product-grid, .production-video-grid { grid-template-columns: 1fr; }
  .category-card { min-height: 240px; grid-template-columns: 1fr .7fr; }
  .product-card-image { min-height: 240px; }
  .catalog-tools { flex-direction: column; }
  .catalog-tools select { width: 100%; min-width: 0; }
  .product-gallery-stage { min-height: 310px; padding: 24px; }
  .product-specs div { grid-template-columns: 110px 1fr; }
  .manual-row { align-items: flex-start; flex-direction: column; }
  .catalog-download-card { grid-template-columns: auto 1fr; }
  .catalog-download-card .button { grid-column: 1 / -1; width: 100%; }
  .footer-grid { grid-template-columns: 1fr; gap: 36px; }
  .footer-brand { grid-column: auto; }
  .footer-bottom { flex-direction: column; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition: none !important; }
}