:root {
  --ink: #11100f;
  --paper: #f4f1e9;
  --paper-deep: #e8e1d4;
  --white: #fffdf8;
  --orange: #f18b30;
  --orange-dark: #a83f10;
  --muted: #6c665d;
  --line: rgba(17, 16, 15, 0.18);
  --display: "Barlow Condensed", "Arial Narrow", sans-serif;
  --body: "Manrope", sans-serif;
  --shell: min(1180px, calc(100vw - 40px));
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--ink); background: var(--paper); font-family: var(--body); font-size: 1rem; line-height: 1.65; -webkit-font-smoothing: antialiased; }
body.menu-open { overflow: hidden; }
a { color: inherit; }
img { display: block; max-width: 100%; }
button, input, textarea { font: inherit; }
button { color: inherit; }
.shell { width: var(--shell); 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; }
.skip-link { position: fixed; top: 10px; left: 10px; z-index: 100; padding: 10px 14px; color: var(--white); background: var(--orange-dark); transform: translateY(-150%); }
.skip-link:focus { transform: translateY(0); }

.site-header { position: fixed; inset: 0 0 auto; z-index: 50; color: var(--white); border-bottom: 1px solid rgba(255, 255, 255, 0.2); transition: background 180ms ease, border-color 180ms ease; }
.site-header.is-scrolled { background: rgba(17, 16, 15, 0.96); border-color: rgba(255, 255, 255, 0.1); backdrop-filter: blur(12px); }
.header-inner { min-height: 86px; display: flex; align-items: center; justify-content: space-between; gap: 28px; }
.brand { display: inline-flex; align-items: center; gap: 12px; color: var(--white); font: 800 1.65rem/1 var(--display); letter-spacing: 0.025em; text-decoration: none; text-transform: uppercase; }
.brand img { width: 64px; height: 64px; border-radius: 50%; box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.24); }
.brand > span > span { color: var(--orange); }
.site-nav { display: flex; align-items: center; gap: 34px; }
.site-nav a { position: relative; color: var(--white); font-size: 0.82rem; font-weight: 700; letter-spacing: 0.07em; text-decoration: none; text-transform: uppercase; }
.site-nav > a:not(.nav-store)::after { content: ""; position: absolute; right: 0; bottom: -7px; left: 0; height: 2px; background: var(--orange); transform: scaleX(0); transform-origin: right; transition: transform 180ms ease; }
.site-nav > a:hover::after, .site-nav > a:focus-visible::after { transform: scaleX(1); transform-origin: left; }
.nav-store { padding: 12px 18px; border: 1px solid rgba(255, 255, 255, 0.44); }
.nav-store:hover, .nav-store:focus-visible { background: var(--white); color: var(--ink); }
.menu-toggle { display: none; }

.hero { position: relative; min-height: 780px; color: var(--white); background: var(--ink); overflow: hidden; }
.hero-photo, .hero-scrim { position: absolute; inset: 0; }
.hero-photo { background: #ece8df url("assets/pack-200-tubos-rojo.jpeg") 73% 50% / cover no-repeat; filter: saturate(0.82) contrast(1.04); transform: scale(1.02); }
.hero-scrim { background: linear-gradient(90deg, rgba(17, 16, 15, 0.96) 0%, rgba(17, 16, 15, 0.78) 42%, rgba(17, 16, 15, 0.22) 76%, rgba(17, 16, 15, 0.45) 100%), linear-gradient(0deg, rgba(17, 16, 15, 0.52), transparent 45%); }
.hero-scrim::after { content: ""; position: absolute; inset: 0; opacity: 0.18; background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 180 180' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.38'/%3E%3C/svg%3E"); mix-blend-mode: soft-light; }
.hero-grid { position: relative; z-index: 1; min-height: 780px; display: grid; grid-template-columns: minmax(0, 1fr) 250px; align-items: end; gap: 70px; padding-top: 160px; padding-bottom: 112px; }
.eyebrow { display: flex; align-items: center; gap: 14px; margin: 0 0 25px; font-size: 0.76rem; font-weight: 800; letter-spacing: 0.15em; text-transform: uppercase; }
.eyebrow span { display: inline-grid; width: 36px; height: 22px; place-items: center; color: var(--ink); background: var(--orange); font-size: 0.68rem; letter-spacing: 0.04em; }
.hero h1, .section-heading h2, .faq-intro h2, .contact-copy h2 { margin: 0; font: 900 clamp(4.3rem, 9.3vw, 8.8rem) / 0.78 var(--display); letter-spacing: -0.035em; text-transform: uppercase; }
.hero h1 em, .section-heading h2 em, .faq-intro h2 em, .contact-copy h2 em { color: var(--orange); font-style: normal; }
.hero h1 em { -webkit-text-stroke: 2px var(--ink); paint-order: stroke fill; }
.hero-lead { max-width: 610px; margin: 36px 0 0; color: rgba(255, 255, 255, 0.82); font-size: 1.07rem; line-height: 1.75; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 34px; }
.button { display: inline-flex; min-height: 52px; align-items: center; justify-content: center; gap: 18px; padding: 13px 22px; border: 1px solid transparent; border-radius: 0; font-size: 0.8rem; font-weight: 800; letter-spacing: 0.08em; text-decoration: none; text-transform: uppercase; cursor: pointer; transition: background 160ms ease, color 160ms ease, border-color 160ms ease, transform 160ms ease; }
.button:hover, .button:focus-visible { transform: translateY(-2px); }
.button-primary { color: var(--ink); background: var(--orange); }
.button-primary:hover, .button-primary:focus-visible { color: var(--white); background: var(--orange-dark); }
.button-ghost { color: var(--white); border-color: rgba(255, 255, 255, 0.45); }
.button-ghost:hover, .button-ghost:focus-visible { color: var(--ink); background: var(--white); }
.button-dark { color: var(--white); background: var(--ink); }
.button-dark:hover, .button-dark:focus-visible { background: var(--orange-dark); }
.hero-note { position: relative; align-self: end; padding: 26px 24px 22px; color: var(--ink); background: var(--orange); transform: translateY(22px); }
.hero-note::before { content: ""; position: absolute; inset: 10px; border: 1px solid rgba(17, 16, 15, 0.28); pointer-events: none; }
.hero-note-number { display: inline-block; font: 900 5.2rem/0.8 var(--display); }
.hero-note-unit { margin-left: 4px; font: 800 1rem/1 var(--display); text-transform: uppercase; }
.hero-note p { position: relative; margin: 22px 0 16px; font-size: 0.86rem; font-weight: 700; line-height: 1.5; }
.hero-note-route { position: relative; font: 800 0.62rem/1.3 var(--body); letter-spacing: 0.08em; }
.hero-scroll { position: absolute; z-index: 2; right: 30px; bottom: 34px; display: flex; align-items: center; gap: 14px; color: rgba(255, 255, 255, 0.68); font-size: 0.68rem; font-weight: 800; letter-spacing: 0.15em; text-decoration: none; text-transform: uppercase; writing-mode: vertical-rl; }
.hero-scroll span:last-child { color: var(--orange); font-size: 1rem; }

.section { padding-block: 124px; }
.catalog { background: var(--paper); }
.section-heading { display: grid; grid-template-columns: minmax(0, 1.5fr) minmax(260px, 0.58fr); gap: 80px; align-items: end; margin-bottom: 62px; }
.section-heading .eyebrow { grid-column: 1 / -1; margin-bottom: -22px; }
.section-heading h2, .faq-intro h2, .contact-copy h2 { font-size: clamp(3.8rem, 7vw, 6.7rem); }
.section-heading > p:last-child { max-width: 420px; margin: 0 0 6px; color: var(--muted); }
.product-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1px; background: var(--ink); border: 1px solid var(--ink); }
.product-card { min-width: 0; background: var(--paper); }
.product-card > a { display: block; height: 100%; text-decoration: none; }
.product-featured { grid-column: span 2; }
.product-media { position: relative; aspect-ratio: 4 / 3; overflow: hidden; background: var(--white); }
.product-featured .product-media { aspect-ratio: 8 / 3; }
.product-media img { width: 100%; height: 100%; object-fit: cover; transition: transform 500ms cubic-bezier(0.2, 0.7, 0, 1), filter 300ms ease; }
.product-card:hover .product-media img, .product-card:focus-within .product-media img { transform: scale(1.035); filter: contrast(1.04); }
.product-index { position: absolute; top: 14px; left: 14px; min-width: 42px; padding: 4px 7px; color: var(--white); background: var(--ink); font: 800 0.68rem/1 var(--body); letter-spacing: 0.08em; text-align: center; }
.product-info { min-height: 142px; display: flex; align-items: flex-start; justify-content: space-between; gap: 20px; padding: 24px; }
.product-kicker { margin: 0 0 7px; color: var(--orange-dark); font-size: 0.68rem; font-weight: 800; letter-spacing: 0.11em; text-transform: uppercase; }
.product-info h3 { margin: 0; font: 800 1.68rem/1 var(--display); letter-spacing: -0.015em; text-transform: uppercase; }
.product-info p:not(.product-kicker) { max-width: 420px; margin: 10px 0 0; color: var(--muted); font-size: 0.86rem; line-height: 1.5; }
.product-arrow { flex: 0 0 auto; display: grid; width: 36px; height: 36px; place-items: center; border: 1px solid var(--line); transition: color 160ms ease, background 160ms ease, transform 160ms ease; }
.product-card:hover .product-arrow, .product-card:focus-within .product-arrow { color: var(--white); background: var(--orange-dark); border-color: var(--orange-dark); transform: rotate(8deg); }
.catalog-cta { display: flex; align-items: center; justify-content: space-between; gap: 24px; padding: 30px 34px; color: var(--ink); background: var(--orange); }
.catalog-cta p { margin: 0; font: 800 clamp(1.5rem, 3vw, 2.3rem)/1 var(--display); text-transform: uppercase; }

.faq { color: var(--white); background: var(--ink); }
.faq-layout { display: grid; grid-template-columns: 0.75fr 1.25fr; gap: 100px; }
.faq-intro { position: sticky; top: 130px; align-self: start; }
.faq-intro > p:not(.eyebrow) { max-width: 390px; color: rgba(255, 255, 255, 0.64); }
.text-link { display: inline-flex; gap: 18px; margin-top: 20px; color: var(--orange); font-size: 0.76rem; font-weight: 800; letter-spacing: 0.09em; text-decoration: none; text-transform: uppercase; }
.faq-list { border-top: 1px solid rgba(255, 255, 255, 0.2); }
.faq-list details { border-bottom: 1px solid rgba(255, 255, 255, 0.2); }
.faq-list summary { position: relative; display: grid; grid-template-columns: 48px 1fr 24px; align-items: center; min-height: 94px; gap: 16px; list-style: none; font: 700 1.5rem/1.1 var(--display); text-transform: uppercase; cursor: pointer; }
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary span { color: var(--orange); font: 800 0.68rem/1 var(--body); letter-spacing: 0.08em; }
.faq-list summary::after { content: "+"; justify-self: end; color: var(--orange); font: 400 1.7rem/1 var(--body); }
.faq-list details[open] summary::after { content: "−"; }
.faq-list details p { max-width: 630px; margin: -8px 48px 30px 64px; color: rgba(255, 255, 255, 0.66); }

.contact { background: var(--orange-dark); color: var(--white); }
.contact-layout { display: grid; grid-template-columns: 0.84fr 1.16fr; gap: 100px; align-items: start; }
.contact-copy .eyebrow span { background: var(--ink); color: var(--white); }
.contact-copy h2 em { color: var(--ink); }
.contact-copy > p:not(.eyebrow) { max-width: 440px; color: rgba(255, 255, 255, 0.77); }
.phone { display: inline-flex; flex-direction: column; margin-top: 24px; font: 800 clamp(2.1rem, 4vw, 3.8rem)/1 var(--display); text-decoration: none; }
.phone span { margin-bottom: 7px; font: 800 0.68rem/1 var(--body); letter-spacing: 0.1em; text-transform: uppercase; }
.contact-form { padding: 42px; color: var(--ink); background: var(--white); box-shadow: 18px 18px 0 var(--ink); }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; }
.contact-form label { display: block; margin-bottom: 22px; font-size: 0.68rem; font-weight: 800; letter-spacing: 0.09em; text-transform: uppercase; }
.contact-form input, .contact-form textarea { width: 100%; margin-top: 8px; padding: 14px 0; border: 0; border-bottom: 2px solid var(--ink); border-radius: 0; outline: none; background: transparent; font-size: 1rem; resize: vertical; }
.contact-form input:focus, .contact-form textarea:focus { border-color: var(--orange-dark); box-shadow: 0 2px 0 var(--orange-dark); }
.form-note { margin: 14px 0 0; color: var(--muted); font-size: 0.73rem; }

.site-footer { padding: 70px 0 24px; color: var(--white); background: #090908; }
.footer-top { display: grid; grid-template-columns: 0.7fr 1fr 0.8fr; gap: 60px; align-items: start; padding-bottom: 55px; }
.brand-footer { align-self: start; }
.footer-top > p { max-width: 360px; margin: 0; color: rgba(255, 255, 255, 0.55); }
.social-links { display: flex; flex-direction: column; align-items: flex-start; gap: 12px; }
.social-links a { color: rgba(255, 255, 255, 0.8); font-size: 0.74rem; font-weight: 800; letter-spacing: 0.08em; text-decoration: none; text-transform: uppercase; }
.social-links a:hover, .social-links a:focus-visible { color: var(--orange); }
.footer-bottom { display: flex; justify-content: space-between; gap: 20px; padding-top: 22px; border-top: 1px solid rgba(255, 255, 255, 0.14); color: rgba(255, 255, 255, 0.4); font-size: 0.68rem; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase; }
.whatsapp-float { position: fixed; z-index: 40; right: 22px; bottom: 22px; display: grid; width: 58px; height: 58px; place-items: center; border-radius: 50%; color: var(--white); background: #22a85a; box-shadow: 0 14px 35px rgba(0, 0, 0, 0.28); transition: transform 160ms ease, background 160ms ease; }
.whatsapp-float:hover, .whatsapp-float:focus-visible { background: #178b48; transform: translateY(-3px); }
.whatsapp-float svg { width: 30px; height: 30px; fill: currentColor; }

[data-reveal] { opacity: 0; transform: translateY(24px); transition: opacity 650ms ease, transform 650ms cubic-bezier(0.2, 0.7, 0, 1); }
[data-reveal].is-visible { opacity: 1; transform: none; }
:focus-visible { outline: 3px solid var(--orange); outline-offset: 3px; }

@media (max-width: 920px) {
  :root { --shell: min(100% - 32px, 720px); }
  .menu-toggle { position: relative; z-index: 2; display: grid; width: 48px; height: 48px; place-content: center; gap: 7px; padding: 0; border: 1px solid rgba(255, 255, 255, 0.42); background: transparent; }
  .menu-toggle span:not(.sr-only) { display: block; width: 22px; height: 2px; background: var(--white); transition: transform 180ms ease; }
  .menu-toggle[aria-expanded="true"] span:nth-child(2) { transform: translateY(4.5px) rotate(45deg); }
  .menu-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-4.5px) rotate(-45deg); }
  .site-nav { position: fixed; inset: 0; display: flex; flex-direction: column; align-items: flex-start; justify-content: center; gap: 24px; padding: 110px 32px 50px; background: var(--ink); transform: translateX(100%); transition: transform 240ms cubic-bezier(0.2, 0.7, 0, 1); }
  .site-nav.is-open { transform: translateX(0); }
  .site-nav a { font: 800 2.6rem/1 var(--display); }
  .nav-store { margin-top: 12px; font-size: 1.6rem !important; }
  .hero, .hero-grid { min-height: 720px; }
  .hero-grid { grid-template-columns: 1fr; align-content: end; gap: 32px; padding-top: 140px; }
  .hero-note { display: none; }
  .hero-copy { max-width: 680px; }
  .hero h1 { font-size: clamp(4.2rem, 13vw, 7rem); }
  .hero-scroll { display: none; }
  .section { padding-block: 92px; }
  .section-heading { grid-template-columns: 1fr; gap: 28px; }
  .section-heading .eyebrow { margin-bottom: 0; }
  .product-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .product-featured, .product-card:last-child { grid-column: span 2; }
  .product-featured .product-media { aspect-ratio: 4 / 3; }
  .faq-layout, .contact-layout { grid-template-columns: 1fr; gap: 58px; }
  .faq-intro { position: static; }
  .footer-top { grid-template-columns: 1fr 1fr; }
  .footer-top > p { grid-column: 1 / -1; grid-row: 2; }
}

@media (max-width: 600px) {
  :root { --shell: calc(100% - 24px); }
  .header-inner { min-height: 74px; }
  .brand img { width: 52px; height: 52px; }
  .brand { font-size: 1.4rem; }
  .hero, .hero-grid { min-height: 680px; }
  .hero-grid { padding-top: 118px; padding-bottom: 70px; }
  .hero-photo { background-position: 62% 50%; }
  .hero-scrim { background: linear-gradient(90deg, rgba(17, 16, 15, 0.94), rgba(17, 16, 15, 0.46)), linear-gradient(0deg, rgba(17, 16, 15, 0.7), transparent 60%); }
  .hero h1 { font-size: clamp(3.9rem, 19vw, 5.6rem); }
  .hero-lead { margin-top: 26px; font-size: 1rem; }
  .hero-actions { align-items: stretch; flex-direction: column; }
  .button { width: 100%; }
  .section { padding-block: 72px; }
  .section-heading h2, .faq-intro h2, .contact-copy h2 { font-size: clamp(3.5rem, 18vw, 5rem); }
  .product-grid { grid-template-columns: 1fr; }
  .product-featured, .product-card:last-child { grid-column: auto; }
  .product-info { min-height: 122px; padding: 20px; }
  .catalog-cta { align-items: stretch; flex-direction: column; padding: 24px; }
  .faq-list summary { grid-template-columns: 36px 1fr 20px; min-height: 82px; gap: 10px; font-size: 1.32rem; }
  .faq-list details p { margin: -2px 20px 26px 46px; }
  .form-row { grid-template-columns: 1fr; gap: 0; }
  .contact-form { padding: 28px 22px; box-shadow: 9px 9px 0 var(--ink); }
  .phone { font-size: 2.5rem; }
  .footer-top { grid-template-columns: 1fr; gap: 32px; }
  .footer-top > p { grid-column: auto; grid-row: auto; }
  .footer-bottom { flex-direction: column; }
  .whatsapp-float { right: 14px; bottom: 14px; width: 54px; height: 54px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { scroll-behavior: auto !important; transition-duration: 0.01ms !important; animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; }
  [data-reveal] { opacity: 1; transform: none; }
}