:root {
  --green: #00ad5f;
  --green-dark: #008d4d;
  --blue: #283897;
  --ink: #132321;
  --cream: #f4f1e9;
  --white: #ffffff;
  --yellow: #f4df00;
  --red: #ef3e2e;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--cream); color: var(--ink); font-family: Arial, Helvetica, sans-serif; }
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
.container { width: min(1180px, calc(100% - 48px)); margin: 0 auto; }
.section { padding: 112px 0; }

.site-header { position: fixed; z-index: 20; top: 0; left: 0; width: 100%; background: rgba(255,255,255,.94); border-bottom: 1px solid rgba(19,35,33,.1); backdrop-filter: blur(12px); }
.nav-wrap { height: 84px; display: flex; align-items: center; justify-content: space-between; gap: 30px; }
.brand img { width: 152px; height: 46px; object-fit: contain; }
nav { display: flex; gap: 38px; margin-left: auto; }
nav a { font-size: 14px; font-weight: 700; letter-spacing: .02em; }
nav a:hover { color: var(--green-dark); }
.nav-cta { margin-left: 22px; display: inline-flex; align-items: center; gap: 16px; background: var(--blue); color: white; padding: 14px 20px; font-size: 14px; font-weight: 700; }
.nav-cta:hover { background: #1d2d80; }

.hero { min-height: 800px; height: 100vh; position: relative; display: flex; align-items: center; overflow: hidden; background: #171e1b; }
.hero-image { position: absolute; inset: 84px 0 0 37%; background: url('../images/bobinas-lonyl.jpg') center/cover no-repeat; }
.hero-shade { position: absolute; inset: 0; background: linear-gradient(90deg, rgba(10,35,29,.98) 0%, rgba(10,35,29,.96) 38%, rgba(10,35,29,.58) 58%, rgba(10,35,29,.06) 78%); }
.hero-content { position: relative; z-index: 2; padding-top: 85px; color: white; }
.eyebrow, .section-number { margin: 0 0 25px; color: var(--green); text-transform: uppercase; font-size: 12px; font-weight: 800; letter-spacing: .18em; }
.hero h1 { margin: 0; font-size: clamp(64px, 7.3vw, 108px); line-height: .9; letter-spacing: -.065em; max-width: 820px; }
.hero h1 span { color: var(--yellow); }
.hero-copy { max-width: 570px; margin: 35px 0 0; font-size: 19px; line-height: 1.65; color: rgba(255,255,255,.82); }
.hero-actions { display: flex; align-items: center; gap: 34px; margin-top: 42px; }
.button { display: inline-flex; align-items: center; justify-content: center; gap: 24px; min-height: 58px; padding: 0 24px; font-size: 14px; font-weight: 800; transition: .2s ease; }
.button-primary { background: var(--green); color: white; }
.button-primary:hover { background: var(--green-dark); transform: translateY(-2px); }
.text-link { display: inline-flex; gap: 14px; align-items: center; font-size: 14px; font-weight: 700; border-bottom: 1px solid rgba(255,255,255,.45); padding-bottom: 7px; }
.color-rail { position: absolute; z-index: 3; right: 0; bottom: 0; display: grid; grid-template-columns: repeat(4, 72px); height: 10px; }
.color-rail span { display: block; }.yellow{background:var(--yellow)}.red{background:var(--red)}.green{background:var(--green)}.blue{background:var(--blue)}

.intro { background: var(--cream); }
.intro-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 100px; }
h2 { margin: 0; font-size: clamp(48px, 5vw, 72px); line-height: 1.02; letter-spacing: -.055em; }
.intro-copy > p, .quality-copy > p, .contact-grid > div > p { margin: 40px 0; font-size: 19px; line-height: 1.7; color: #52605d; }
.features { display: grid; grid-template-columns: 1fr 1fr; gap: 25px; border-top: 1px solid #ccd1ca; padding-top: 34px; }
.features strong { font-size: 45px; color: var(--green-dark); }
.features h3 { margin: 10px 0; font-size: 19px; }
.features p { margin: 0; color: #64706d; line-height: 1.6; font-size: 14px; }

.quality { background: white; }
.quality-grid { display: grid; grid-template-columns: 1.12fr .88fr; gap: 90px; align-items: center; }
.product-card { margin: 0; position: relative; }
.product-card img { width: 100%; aspect-ratio: 4/3; object-fit: cover; }
.product-card figcaption { position: absolute; left: 0; bottom: 0; background: var(--blue); color: white; padding: 17px 22px; font-size: 13px; }
.quality-copy ul { list-style: none; padding: 0; margin: 34px 0 0; border-top: 1px solid #d9ddda; }
.quality-copy li { display: flex; gap: 20px; padding: 19px 0; border-bottom: 1px solid #d9ddda; font-size: 16px; font-weight: 700; }
.quality-copy li span { color: var(--green-dark); font-size: 12px; letter-spacing: .08em; padding-top: 3px; }

.distribution { color: white; background: var(--blue); position: relative; overflow: hidden; }
.distribution::after { content: "L"; position: absolute; right: -20px; top: -170px; color: rgba(255,255,255,.045); font-size: 570px; line-height: 1; font-weight: 900; }
.distribution-inner { position: relative; z-index: 1; }
.distribution h2 { max-width: 900px; }
.button-light { margin-top: 44px; color: var(--blue); background: white; }
.button-light:hover { background: var(--yellow); transform: translateY(-2px); }

.contact { background: var(--green); }
.contact-grid { display: grid; grid-template-columns: .8fr 1.2fr; gap: 120px; align-items: start; }
.contact .section-number { color: white; opacity: .75; }
.contact-grid > div > p { color: rgba(255,255,255,.8); max-width: 470px; }
.contact-links { border-top: 1px solid rgba(255,255,255,.4); }
.contact-links a { position: relative; display: grid; grid-template-columns: 1fr auto; gap: 8px 30px; padding: 25px 4px; border-bottom: 1px solid rgba(255,255,255,.4); }
.contact-links span { font-size: 12px; text-transform: uppercase; letter-spacing: .14em; color: rgba(255,255,255,.7); }
.contact-links strong { grid-row: 2; font-size: clamp(22px, 3vw, 34px); }
.contact-links a > span:last-child { grid-row: 1/3; grid-column: 2; align-self: center; color: white; font-size: 24px; }
.contact-links a:hover { padding-left: 14px; padding-right: 14px; background: rgba(255,255,255,.09); }

footer { padding: 70px 0 24px; background: #10201d; color: white; }
.footer-grid { display: grid; grid-template-columns: .8fr 1.25fr 1fr; gap: 70px; align-items: start; }
.footer-grid img { width: 150px; filter: drop-shadow(0 0 0 transparent); }
.footer-grid p { margin: 0; color: rgba(255,255,255,.65); line-height: 1.6; font-size: 14px; }
.footer-contact { display: flex; flex-direction: column; gap: 12px; font-size: 14px; }
.footer-contact a:hover { color: var(--green); }
.footer-bottom { margin-top: 55px; padding-top: 22px; border-top: 1px solid rgba(255,255,255,.15); display: flex; justify-content: space-between; color: rgba(255,255,255,.45); font-size: 12px; text-transform: uppercase; letter-spacing: .1em; }
.footer-credit { margin-top: 22px; padding-top: 18px; border-top: 1px solid rgba(255,255,255,.08); display: flex; align-items: center; justify-content: center; gap: 10px; color: rgba(255,255,255,.38); font-size: 10px; text-transform: uppercase; letter-spacing: .12em; }
.footer-credit img { width: 58px; height: 58px; object-fit: contain; border-radius: 6px; opacity: .78; }

.whatsapp-float { position: fixed; z-index: 50; right: 26px; bottom: 26px; width: 62px; height: 62px; display: grid; place-items: center; border-radius: 50%; background: #25d366; color: white; box-shadow: 0 8px 24px rgba(0,0,0,.28); transition: transform .2s ease, box-shadow .2s ease, background .2s ease; }
.whatsapp-float svg { width: 34px; height: 34px; fill: currentColor; }
.whatsapp-float:hover { transform: translateY(-3px) scale(1.04); background: #1fbd5b; box-shadow: 0 12px 28px rgba(0,0,0,.34); }
.whatsapp-float:focus-visible { outline: 4px solid white; outline-offset: 3px; }

@media (max-width: 800px) {
  .container { width: min(100% - 32px, 1180px); }
  .section { padding: 78px 0; }
  .nav-wrap { height: 70px; }
  .brand img { width: 122px; }
  nav { display: none; }
  .hero { min-height: 720px; height: 100svh; align-items: flex-end; }
  .hero-image { inset: 70px 0 0 0; background-position: 53% center; }
  .hero-shade { background: linear-gradient(0deg, rgba(8,30,25,.99) 0%, rgba(8,30,25,.88) 48%, rgba(8,30,25,.25) 100%); }
  .hero-content { padding: 0 0 76px; }
  .hero h1 { font-size: clamp(54px, 17vw, 82px); }
  .hero-copy { margin-top: 24px; font-size: 16px; line-height: 1.55; }
  .hero-actions { align-items: flex-start; flex-direction: column; gap: 24px; margin-top: 30px; }
  .color-rail { grid-template-columns: repeat(4, 42px); }
  .intro-grid, .quality-grid, .contact-grid, .footer-grid { grid-template-columns: 1fr; gap: 50px; }
  h2 { font-size: clamp(42px, 13vw, 62px); }
  .features { gap: 18px; }
  .quality-grid { gap: 58px; }
  .product-card img { aspect-ratio: 1/1; }
  .contact-links strong { overflow-wrap: anywhere; }
  .footer-grid { gap: 32px; }
  .footer-bottom { gap: 15px; flex-direction: column; }
  .footer-credit { margin-top: 18px; padding-top: 16px; }
  .footer-credit img { width: 52px; height: 52px; }
  .whatsapp-float { right: 18px; bottom: 18px; width: 58px; height: 58px; }
}

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