:root {
  --ink: #14161a;
  --ink-2: #1e2126;
  --text: #252932;
  --muted: #6b7280;
  --steel-50: #fafbfc;
  --steel-100: #f4f5f7;
  --steel-200: #eceef1;
  --steel-300: #d8dbe0;
  --steel-400: #b7bcc4;
  --violet: #5b4fe0;
  --violet-dark: #4338ca;
  --violet-soft: #eeedfc;
  --violet-light: #dcd8ff;
  --whatsapp: #25d366;
  --whatsapp-dark: #1da851;
  --white: #fff;
  --radius: 18px;
  --shadow: 0 18px 45px rgba(20, 22, 26, .10), 0 3px 10px rgba(20, 22, 26, .05);
  --font: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --display: "Barlow Condensed", Inter, sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 86px; }
body { margin: 0; font-family: var(--font); color: var(--text); background: var(--white); -webkit-font-smoothing: antialiased; }
body.no-scroll { overflow: hidden; }
a { color: inherit; text-decoration: none; }
button, input, select, textarea { font: inherit; }
button { cursor: pointer; }
img { display: block; max-width: 100%; }
svg { display: block; }

.container { width: min(1180px, calc(100% - 40px)); margin-inline: auto; }
.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; }

.site-header { position: fixed; inset: 0 0 auto; z-index: 50; background: rgba(255,255,255,.93); border-bottom: 1px solid rgba(216,219,224,.78); backdrop-filter: blur(12px); transition: box-shadow .2s ease, background .2s ease; }
.site-header.scrolled { box-shadow: 0 8px 26px rgba(20,22,26,.08); background: rgba(255,255,255,.97); }
.header-inner { height: 72px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.brand { display: inline-flex; align-items: center; gap: 10px; flex: 0 0 auto; }
.brand-mark { width: 40px; height: 40px; border-radius: 9px; display: inline-grid; place-items: center; color: white; background: var(--ink); font-family: var(--display); font-size: 21px; font-weight: 800; }
.brand-name { font-family: var(--display); font-size: 21px; font-weight: 700; letter-spacing: -.02em; }
.brand-name strong { color: var(--violet); }
.desktop-nav { display: flex; align-items: center; gap: 28px; }
.desktop-nav a { color: #3f434d; font-size: 14px; font-weight: 600; transition: color .2s ease; }
.desktop-nav a:hover { color: var(--violet); }
.header-cta { padding: 11px 18px !important; }
.menu-toggle { display: none; width: 42px; height: 42px; border: 0; border-radius: 9px; background: var(--steel-100); align-items: center; justify-content: center; flex-direction: column; gap: 4px; }
.menu-toggle span { width: 20px; height: 2px; background: var(--ink); border-radius: 2px; }
.mobile-menu { display: none; padding: 12px 20px 20px; background: white; border-top: 1px solid var(--steel-200); }
.mobile-menu.open { display: grid; gap: 4px; }
.mobile-menu a { padding: 10px 0; font-weight: 600; font-size: 14px; }
.mobile-menu .whatsapp-button { margin-top: 8px; width: 100%; }

.button, .whatsapp-button { min-height: 48px; border: 0; border-radius: 9px; display: inline-flex; align-items: center; justify-content: center; gap: 8px; padding: 0 22px; font-weight: 700; font-size: 14px; letter-spacing: .01em; transition: transform .18s ease, background .18s ease, box-shadow .18s ease; }
.button:hover, .whatsapp-button:hover { transform: translateY(-1px); }
.primary-button { color: white; background: var(--violet); box-shadow: 0 8px 24px rgba(91,79,224,.22); }
.primary-button:hover { background: var(--violet-dark); }
.whatsapp-button { color: white; background: var(--whatsapp); box-shadow: 0 8px 22px rgba(37,211,102,.18); }
.whatsapp-button:hover { background: var(--whatsapp-dark); }

.hero { position: relative; min-height: 660px; padding: 150px 0 88px; overflow: hidden; background: var(--ink); }
.hero-pattern, .nitride-pattern, .newsletter-pattern { position: absolute; inset: 0; pointer-events: none; background-image: radial-gradient(rgba(255,255,255,.10) 1px, transparent 1px); background-size: 22px 22px; opacity: .45; }
.hero::before { content: ""; position: absolute; width: 420px; height: 420px; right: 8%; top: -180px; border-radius: 50%; background: rgba(91,79,224,.34); filter: blur(110px); }
.hero-inner { position: relative; z-index: 3; min-height: 430px; display: flex; align-items: center; }
.hero-copy { width: min(590px, 54%); position: relative; z-index: 3; }
.eyebrow { display: inline-block; margin-bottom: 12px; color: var(--violet); font-size: 12px; font-weight: 800; text-transform: uppercase; letter-spacing: .18em; }
.eyebrow-dark { color: var(--violet-light); }
.hero .eyebrow { padding: 6px 11px; border-radius: 999px; background: rgba(255,255,255,.09); }
.hero h1, .section-heading h2, .nitride-copy h2, .contact-copy h2 { margin: 0; font-family: var(--display); letter-spacing: -.025em; color: var(--ink); }
.hero h1 { color: white; font-size: clamp(50px, 5.2vw, 72px); line-height: .98; max-width: 540px; }
.hero-lead { margin: 24px 0 0; max-width: 600px; color: #d8dbe0; font-size: 18px; line-height: 1.68; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 13px; margin-top: 32px; }
.hero-facts { display: flex; flex-wrap: wrap; gap: 10px 22px; margin: 32px 0 0; padding: 0; list-style: none; color: #d8dbe0; font-size: 13px; }
.hero-facts li { position: relative; padding-left: 17px; }
.hero-facts li::before { content: ""; position: absolute; left: 0; top: .58em; width: 7px; height: 7px; border-radius: 50%; background: var(--violet); }
.hero-media { position: absolute; inset: 72px 0 0 45%; z-index: 1; overflow: hidden; background: #f5f6f8; -webkit-mask-image: linear-gradient(90deg, transparent 0%, rgba(0,0,0,.18) 8%, #000 26%, #000 100%); mask-image: linear-gradient(90deg, transparent 0%, rgba(0,0,0,.18) 8%, #000 26%, #000 100%); }
.hero-media picture, .hero-media img { width: 100%; height: 100%; }
.hero-media img { object-fit: cover; object-position: 51% 48%; filter: contrast(1.03) saturate(.82); }
.hero-media::after { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, rgba(20,22,26,.34) 0%, transparent 38%), linear-gradient(0deg, rgba(20,22,26,.13), transparent 45%); }

.section { padding: 98px 0; }
.section-light { background: white; }
.section-soft { background: var(--steel-100); }
.section-heading { max-width: 720px; margin-bottom: 48px; }
.section-heading h2, .nitride-copy h2, .contact-copy h2 { font-size: clamp(38px, 4vw, 52px); line-height: 1.02; }
.section-heading p, .contact-copy > p { margin: 16px 0 0; color: var(--muted); font-size: 17px; line-height: 1.65; }

.benefit-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.benefit-card { padding: 30px; border: 1px solid var(--steel-200); border-radius: var(--radius); background: white; box-shadow: 0 4px 18px rgba(20,22,26,.05); }
.icon-box { width: 48px; height: 48px; border-radius: 12px; display: grid; place-items: center; background: var(--violet-soft); color: var(--violet); }
.icon-box svg { width: 25px; height: 25px; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.benefit-card h3 { margin: 22px 0 10px; font-family: var(--display); font-size: 24px; color: var(--ink); }
.benefit-card p { margin: 0; color: var(--muted); font-size: 14px; line-height: 1.7; }

.nitride-section { position: relative; overflow: hidden; color: white; background: var(--ink); }
.nitride-section::before { content: ""; position: absolute; width: 360px; height: 360px; left: 10%; bottom: -170px; border-radius: 50%; background: rgba(91,79,224,.27); filter: blur(100px); }
.nitride-grid { position: relative; z-index: 2; display: grid; grid-template-columns: 1.05fr .95fr; gap: 64px; align-items: center; }
.nitride-copy h2 { color: white; }
.nitride-copy > p { margin: 18px 0 0; color: #d8dbe0; line-height: 1.72; font-size: 16px; }
.technical-list { margin: 27px 0 0; padding: 0; list-style: none; display: grid; gap: 14px; }
.technical-list li { position: relative; padding-left: 24px; color: #e8eaf0; line-height: 1.55; }
.technical-list li::before { content: ""; position: absolute; left: 2px; top: .63em; width: 8px; height: 8px; border-radius: 50%; background: var(--violet); }
.technical-list strong { color: white; }
.technical-note { margin-top: 30px; display: inline-grid; gap: 4px; padding: 13px 16px; border-radius: 10px; background: rgba(255,255,255,.07); border: 1px solid rgba(255,255,255,.1); }
.technical-note span { color: var(--steel-400); font-size: 11px; text-transform: uppercase; letter-spacing: .12em; }
.technical-note strong { font-size: 15px; }
.plasma-photo { margin: 0; border-radius: 18px; overflow: hidden; border: 1px solid rgba(255,255,255,.12); background: #090a0c; box-shadow: 0 26px 60px rgba(0,0,0,.28); }
.plasma-photo img { width: 100%; height: 570px; object-fit: cover; object-position: 50% 48%; }
.plasma-photo figcaption { padding: 12px 16px; color: var(--steel-400); background: #101216; font-size: 12px; line-height: 1.45; }

.model-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.model-card { position: relative; padding: 32px; border-radius: var(--radius); background: white; border: 1px solid var(--steel-200); box-shadow: 0 6px 22px rgba(20,22,26,.055); }
.model-card-featured { border: 2px solid var(--violet); }
.featured-badge { position: absolute; top: -1px; right: -1px; padding: 8px 16px; color: white; background: var(--violet); border-radius: 0 15px 0 12px; font-size: 11px; font-weight: 800; }
.model-label { color: var(--violet); font-size: 11px; font-weight: 800; text-transform: uppercase; letter-spacing: .14em; }
.model-card h3 { margin: 7px 0 6px; font-family: var(--display); font-size: 31px; line-height: 1.05; color: var(--ink); }
.model-card-head p { margin: 0; color: var(--muted); font-size: 13px; line-height: 1.6; }
.spec-list { margin: 25px 0 0; display: grid; gap: 0; }
.spec-list > div { display: grid; grid-template-columns: 1fr auto; gap: 18px; padding: 10px 0; border-bottom: 1px solid var(--steel-200); }
.spec-list dt { color: #868c98; font-size: 13px; }
.spec-list dd { margin: 0; color: var(--ink); font-weight: 700; font-size: 13px; text-align: right; }
.price-block { margin-top: 22px; display: grid; gap: 9px; }
.price-block > div { display: flex; align-items: baseline; justify-content: space-between; gap: 20px; }
.price-block span { color: var(--muted); font-size: 13px; }
.price-block strong { color: var(--ink); font-family: var(--display); font-size: 26px; }
.price-block .price-featured span, .price-block .price-featured strong { color: var(--violet); }
.model-button { width: 100%; margin-top: 22px; }

.modular-callout { margin-top: 34px; min-height: 390px; display: grid; grid-template-columns: .9fr 1.1fr; overflow: hidden; border-radius: 22px; background: var(--ink); box-shadow: var(--shadow); }
.modular-copy { padding: 46px; align-self: center; }
.modular-copy h3 { margin: 0; color: white; font-family: var(--display); font-size: 39px; line-height: 1; }
.modular-copy p { margin: 18px 0 27px; max-width: 520px; color: var(--steel-300); line-height: 1.7; }
.modular-image { margin: 0; min-height: 390px; position: relative; background: #f4f5f7; overflow: hidden; -webkit-mask-image: linear-gradient(90deg, transparent 0, #000 17%); mask-image: linear-gradient(90deg, transparent 0, #000 17%); }
.modular-image picture, .modular-image img { width: 100%; height: 100%; }
.modular-image img { object-fit: cover; object-position: 50% 52%; }

.gallery { display: grid; grid-template-columns: repeat(3, 1fr); grid-auto-rows: 270px; gap: 16px; }
.gallery-item { position: relative; overflow: hidden; padding: 0; border: 0; border-radius: 15px; background: var(--steel-100); box-shadow: 0 4px 16px rgba(20,22,26,.06); }
.gallery-item picture, .gallery-item img { width: 100%; height: 100%; }
.gallery-item img { object-fit: cover; transition: transform .45s ease; }
.gallery-item::after { content: "Ver foto"; position: absolute; right: 12px; bottom: 12px; padding: 7px 10px; border-radius: 8px; color: white; background: rgba(20,22,26,.72); opacity: 0; transform: translateY(5px); font-size: 11px; font-weight: 700; transition: opacity .2s ease, transform .2s ease; }
.gallery-item:hover img { transform: scale(1.025); }
.gallery-item:hover::after { opacity: 1; transform: translateY(0); }
.gallery-wide { grid-column: span 2; }
.gallery-tall { grid-row: span 2; }

.contact-section { background: var(--steel-100); }
.contact-grid { display: grid; grid-template-columns: .8fr 1.2fr; gap: 62px; align-items: center; }
.contact-copy { max-width: 430px; }
.contact-details { display: grid; gap: 18px; margin-top: 30px; }
.contact-details > div { padding-left: 16px; border-left: 3px solid var(--violet); display: grid; gap: 3px; }
.contact-details span { color: #8a909b; font-size: 12px; }
.contact-details strong { color: var(--ink); font-size: 14px; }
.contact-form { padding: 34px; border-radius: var(--radius); background: white; box-shadow: 0 5px 22px rgba(20,22,26,.07); }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.contact-form label { color: var(--ink); font-size: 13px; font-weight: 600; }
.contact-form input, .contact-form select, .contact-form textarea { width: 100%; margin-top: 8px; padding: 12px 13px; border: 1px solid #d2d6dc; border-radius: 8px; color: var(--text); background: white; outline: none; transition: border .2s ease, box-shadow .2s ease; }
.contact-form input:focus, .contact-form select:focus, .contact-form textarea:focus { border-color: var(--violet); box-shadow: 0 0 0 3px rgba(91,79,224,.10); }
.form-full { grid-column: 1 / -1; }
.contact-form .whatsapp-button { margin-top: 22px; }
.form-note { margin: 12px 0 0; color: #8a909b; font-size: 11px; }

.newsletter-section { position: relative; overflow: hidden; padding: 58px 0; color: white; background: var(--violet); }
.newsletter-section::before { content: ""; position: absolute; width: 360px; height: 360px; left: 50%; top: 50%; transform: translate(-50%,-50%); background: rgba(255,255,255,.08); filter: blur(80px); border-radius: 50%; }
.newsletter-inner { position: relative; z-index: 2; text-align: center; }
.newsletter-inner h2 { margin: 0; font-family: var(--display); font-size: 31px; }
.newsletter-inner > p { margin: 10px auto 22px; max-width: 580px; color: rgba(255,255,255,.82); font-size: 14px; line-height: 1.55; }
.newsletter-form { display: flex; justify-content: center; gap: 10px; }
.newsletter-form input { width: min(350px, 100%); min-height: 46px; padding: 0 14px; border: 0; border-radius: 8px; outline: none; color: var(--text); }
.newsletter-form button { min-height: 46px; padding: 0 22px; border: 0; border-radius: 8px; color: white; background: var(--ink); font-weight: 700; font-size: 13px; }
.newsletter-status { min-height: 18px; margin: 11px 0 0 !important; color: rgba(255,255,255,.88) !important; font-size: 12px !important; }

.site-footer { padding: 55px 0 24px; color: #d8dbe0; background: var(--ink); }
.footer-grid { display: grid; grid-template-columns: 1.5fr .7fr 1fr; gap: 60px; }
.footer-brand .brand-mark { background: rgba(255,255,255,.10); }
.footer-brand .brand-name { color: white; }
.footer-grid > div:first-child p { max-width: 410px; margin: 18px 0 0; color: #b7bcc4; font-size: 13px; line-height: 1.65; }
.footer-grid h3 { margin: 0 0 14px; color: white; font-size: 13px; }
.footer-grid a:not(.brand) { display: block; margin: 9px 0; color: #d8dbe0; font-size: 13px; }
.footer-grid a:not(.brand):hover { color: white; }
.footer-grid > div:last-child p { margin: 9px 0; color: #d8dbe0; font-size: 13px; }
.footer-bottom { margin-top: 42px; padding-top: 20px; border-top: 1px solid rgba(255,255,255,.12); display: flex; justify-content: space-between; gap: 20px; color: #8f96a3; font-size: 11px; }

.lightbox { position: fixed; inset: 0; z-index: 100; display: none; align-items: center; justify-content: center; padding: 28px; background: rgba(8,9,11,.94); backdrop-filter: blur(5px); }
.lightbox.open { display: flex; }
.lightbox figure { margin: 0; width: min(1050px, 92vw); max-height: 90vh; text-align: center; }
.lightbox img { max-height: 80vh; max-width: 100%; margin: 0 auto; border-radius: 10px; object-fit: contain; }
.lightbox figcaption { margin-top: 12px; color: #d8dbe0; font-size: 13px; line-height: 1.45; }
.lightbox-close { position: absolute; top: 18px; right: 20px; width: 44px; height: 44px; border: 0; border-radius: 50%; color: white; background: rgba(255,255,255,.10); font-size: 28px; line-height: 1; }

.reveal { opacity: 0; transform: translateY(14px); transition: opacity .55s ease, transform .55s ease; }
.reveal.is-visible { opacity: 1; transform: none; }

@media (max-width: 980px) {
  .desktop-nav, .header-cta { display: none; }
  .menu-toggle { display: flex; }
  .hero { min-height: auto; padding: 126px 0 0; }
  .hero-inner { min-height: 420px; align-items: flex-start; }
  .hero-copy { width: 72%; padding-bottom: 64px; }
  .hero-media { inset: 72px 0 0 38%; opacity: .72; -webkit-mask-image: linear-gradient(90deg, transparent 0%, #000 34%); mask-image: linear-gradient(90deg, transparent 0%, #000 34%); }
  .benefit-grid { grid-template-columns: 1fr; }
  .nitride-grid, .contact-grid { grid-template-columns: 1fr; }
  .plasma-photo img { height: 520px; }
  .model-grid { grid-template-columns: 1fr; }
  .modular-callout { grid-template-columns: 1fr; }
  .modular-image { min-height: 430px; -webkit-mask-image: linear-gradient(180deg, transparent 0, #000 14%); mask-image: linear-gradient(180deg, transparent 0, #000 14%); }
  .gallery { grid-template-columns: repeat(2, 1fr); }
  .gallery-wide { grid-column: span 2; }
  .footer-grid { grid-template-columns: 1.25fr .75fr; }
  .footer-grid > div:last-child { grid-column: 1 / -1; }
}

@media (max-width: 680px) {
  .container { width: min(100% - 28px, 1180px); }
  .header-inner { height: 66px; }
  .brand-mark { width: 36px; height: 36px; }
  .brand-name { font-size: 19px; }
  .hero { padding: 106px 0 0; }
  .hero-inner { min-height: auto; display: block; }
  .hero-copy { width: 100%; padding-bottom: 36px; }
  .hero h1 { font-size: 48px; max-width: 430px; }
  .hero-lead { font-size: 16px; max-width: 520px; }
  .hero-media { position: relative; inset: auto; width: 100%; height: 360px; opacity: 1; -webkit-mask-image: linear-gradient(180deg, transparent 0%, #000 15%, #000 100%); mask-image: linear-gradient(180deg, transparent 0%, #000 15%, #000 100%); }
  .hero-media img { object-position: 50% 49%; }
  .hero-actions { display: grid; }
  .hero-actions .button, .hero-actions .whatsapp-button { width: 100%; }
  .hero-facts { margin-top: 24px; }
  .section { padding: 72px 0; }
  .section-heading { margin-bottom: 34px; }
  .section-heading h2, .nitride-copy h2, .contact-copy h2 { font-size: 40px; }
  .section-heading p, .contact-copy > p { font-size: 15px; }
  .benefit-card { padding: 25px; }
  .plasma-photo img { height: 430px; }
  .model-card { padding: 25px; }
  .model-card h3 { font-size: 28px; }
  .spec-list > div { grid-template-columns: 1fr; gap: 4px; }
  .spec-list dd { text-align: left; }
  .price-block > div { align-items: center; }
  .modular-copy { padding: 32px 25px; }
  .modular-copy h3 { font-size: 35px; }
  .modular-image { min-height: 330px; }
  .gallery { grid-template-columns: 1fr; grid-auto-rows: 270px; }
  .gallery-wide, .gallery-tall { grid-column: auto; grid-row: auto; }
  .contact-grid { gap: 34px; }
  .contact-form { padding: 24px; }
  .form-grid { grid-template-columns: 1fr; }
  .form-full { grid-column: auto; }
  .newsletter-form { flex-direction: column; width: min(420px, 100%); margin: 0 auto; }
  .newsletter-form input, .newsletter-form button { width: 100%; }
  .footer-grid { grid-template-columns: 1fr; gap: 34px; }
  .footer-grid > div:last-child { grid-column: auto; }
  .footer-bottom { flex-direction: column; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
  .gallery-item img, .button, .whatsapp-button { transition: none; }
}