:root {
  --brand: #152e4d;
  --brand-2: #1f4675;
  --accent: #1b99d7;
  --accent-ink: #127bb0;
  --accent-soft: #e6f2fa;
  --sky: #b8d8ea;
  --green: #009c4f;
  --red: #e4022c;
  --ink: #152231;
  --muted: #56657a;
  --bg: #ffffff;
  --bg-alt: #f3f7fb;
  --line: #dbe4ee;
  --radius: 14px;
  --shadow: 0 10px 30px rgba(21, 46, 77, .08);
  --serif: "Cardo", Georgia, serif;
  --sans: "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 76px; }
body { margin: 0; font-family: var(--sans); color: var(--ink); background: var(--bg); line-height: 1.65; font-size: 17px; }
img { max-width: 100%; height: auto; display: block; }
a { color: var(--brand-2); }
h1, h2, h3 { font-family: var(--serif); color: var(--brand); line-height: 1.15; margin: 0 0 .5em; }
h1 { font-size: clamp(2.3rem, 5.5vw, 3.8rem); }
h1 em { font-style: italic; color: var(--accent); }
h2 { font-size: clamp(1.8rem, 3.6vw, 2.6rem); }
h3 { font-size: 1.35rem; }
p { margin: 0 0 1em; }

.container { width: min(1140px, 100% - 32px); margin-inline: auto; }
.narrow { max-width: 760px; }
.container.narrow { width: min(760px, 100% - 32px); }
.eyebrow { text-transform: uppercase; letter-spacing: .14em; font-size: .78rem; font-weight: 700; color: var(--accent-ink); margin-bottom: .6em; }
.lead { font-size: 1.12rem; color: var(--muted); }

.btn { display: inline-block; background: var(--brand); color: #fff; text-decoration: none; font-weight: 600; padding: .85em 1.5em; border-radius: 999px; border: 2px solid var(--brand); transition: background .2s, color .2s, transform .2s; }
.btn:hover { background: var(--brand-2); border-color: var(--brand-2); transform: translateY(-1px); }
.btn--ghost { background: transparent; color: var(--brand); }
.btn--ghost:hover { background: var(--brand); color: #fff; }
.btn--small { padding: .5em 1.1em; font-size: .95rem; }
.btn--buy { background: #25d366; border-color: #25d366; color: #fff; font-size: .88rem; padding: .45em 1.1em; }
.btn--buy:hover { background: #1ebe5a; border-color: #1ebe5a; }

/* Header */
.topbar { position: sticky; top: 0; z-index: 50; background: rgba(255,255,255,.92); backdrop-filter: blur(8px); border-bottom: 1px solid var(--line); }
.topbar__inner { display: flex; align-items: center; justify-content: space-between; height: 68px; }
.brand { display: flex; align-items: center; }
.brand img { height: 40px; width: auto; }
.nav { display: flex; align-items: center; gap: 1.6rem; }
.nav a:not(.btn) { color: var(--ink); text-decoration: none; font-weight: 500; font-size: .96rem; }
.nav a:not(.btn):hover { color: var(--accent); }
.nav .btn { color: #fff; }
.menu-btn { display: none; background: none; border: 0; padding: 8px; cursor: pointer; }
.menu-btn span { display: block; width: 24px; height: 2px; background: var(--brand); margin: 5px 0; transition: transform .2s, opacity .2s; }

/* Hero */
.hero { background: linear-gradient(160deg, var(--accent-soft), #fff 60%); padding: clamp(3rem, 8vw, 6rem) 0; overflow: hidden; }
.hero__inner { display: grid; grid-template-columns: 1.2fr 1fr; gap: 2rem; align-items: center; }
.hero__actions { display: flex; flex-wrap: wrap; gap: .8rem; margin-top: 1.6rem; }
.hero__art { position: relative; }
.hero__art::before { content: ""; position: absolute; inset: 8%; border-radius: 50%; background: radial-gradient(circle, rgba(27,153,215,.18), rgba(27,153,215,0) 70%); }
.hero__art img { position: relative; width: 100%; max-width: 300px; margin-inline: auto; animation: float 8s ease-in-out infinite; }
@keyframes float { 50% { transform: translateY(-10px); } }

.band { position: relative; background: var(--brand); color: #e3ecf5; padding: 1.8rem 0; }
.band::before { content: ""; position: absolute; left: 0; right: 0; top: 0; height: 4px; background: linear-gradient(90deg, var(--red) 0 25%, var(--sky) 25% 50%, var(--green) 50% 75%, var(--accent) 75%); }
.band p { margin: 0; font-size: 1.05rem; text-align: center; }
.band strong { color: #fff; }

/* Sections */
.section { padding: clamp(3.5rem, 8vw, 6rem) 0; }
.section--alt { background: var(--bg-alt); }

.cards { display: grid; gap: 1.4rem; margin-top: 2.4rem; }
.cards--3 { grid-template-columns: repeat(3, 1fr); }
.card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 1.8rem; box-shadow: var(--shadow); }
.card p { color: var(--muted); margin: 0; }

.split { display: grid; grid-template-columns: 1.1fr 1fr; gap: 3rem; align-items: center; }
.split p { color: var(--muted); }
.stats { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(2, 1fr); gap: 1rem; }
.stats li { background: #fff; border-radius: var(--radius); padding: 1.3rem; border: 1px solid var(--line); }
.stats li:last-child { grid-column: 1 / -1; }
.stats strong { display: block; font-family: var(--serif); font-size: 2.3rem; color: var(--accent); line-height: 1; }
.stats span { color: var(--muted); font-size: .95rem; }

/* Products */
.products { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.3rem; margin-top: 2.4rem; }
.product { position: relative; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 1.2rem 1.2rem 1.4rem; transition: transform .2s, box-shadow .2s; }
.product:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.product h3 { font-size: 1.15rem; margin: .9rem 0 .35rem; }
.product { display: flex; flex-direction: column; }
.product p { color: var(--muted); font-size: .93rem; margin: 0; }
.product__foot { margin-top: auto; padding-top: .9rem; display: flex; align-items: center; justify-content: space-between; gap: .6rem; }
.product .spec { font-size: .74rem; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; color: var(--accent-ink); }
.product__img.has-img { background-color: #fff; border: 1px solid var(--line); }
.product__img { aspect-ratio: 1; border-radius: 10px; background: var(--accent-soft) center / contain no-repeat; display: grid; place-items: center; }
.product__img:not(.has-img)::after { content: ""; width: 46%; aspect-ratio: 1; background: url(../img/escudo.webp) center / contain no-repeat; opacity: .22; filter: grayscale(.3); }
.product--star { border-color: var(--accent); }
.tag { position: absolute; top: 1.7rem; left: 1.7rem; background: var(--accent); color: #fff; font-size: .72rem; font-weight: 700; padding: .25em .7em; border-radius: 999px; letter-spacing: .03em; }

/* FAQ */
details { background: #fff; border: 1px solid var(--line); border-radius: 12px; margin-top: .8rem; padding: 0 1.3rem; }
details[open] { box-shadow: var(--shadow); }
summary { cursor: pointer; font-weight: 600; padding: 1.1rem 0; list-style: none; display: flex; justify-content: space-between; gap: 1rem; color: var(--brand); }
summary::-webkit-details-marker { display: none; }
summary::after { content: "+"; font-size: 1.4rem; line-height: 1; color: var(--accent); transition: transform .2s; }
details[open] summary::after { transform: rotate(45deg); }
details p { color: var(--muted); }

/* Contact */
.contact { display: grid; grid-template-columns: 1fr 1fr; gap: 3rem; align-items: start; }
.contact__list { list-style: none; margin: 0; padding: 0; }
.contact__list li { padding: 1rem 0; border-bottom: 1px solid var(--line); }
.contact__list span { display: block; font-size: .78rem; text-transform: uppercase; letter-spacing: .1em; color: var(--accent-ink); font-weight: 700; margin-bottom: .2rem; }

.footer { background: var(--brand); color: #b8c9dc; padding: 1.8rem 0; font-size: .92rem; }
.footer__inner { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 1rem 2rem; }
.footer__inner img { height: 36px; width: auto; }
.footer p { margin: 0; }

.wa-float { position: fixed; right: 18px; bottom: 18px; width: 56px; height: 56px; border-radius: 50%; background: #25d366; color: #fff; display: grid; place-items: center; box-shadow: 0 6px 20px rgba(0,0,0,.2); z-index: 60; }
.wa-float svg { width: 30px; height: 30px; }

/* Responsive */
@media (max-width: 960px) {
  .products { grid-template-columns: repeat(2, 1fr); }
  .cards--3 { grid-template-columns: 1fr; }
  .split, .contact { grid-template-columns: 1fr; gap: 2rem; }
}
@media (max-width: 760px) {
  .menu-btn { display: block; }
  .nav { position: absolute; top: 68px; left: 0; right: 0; background: #fff; flex-direction: column; align-items: stretch; gap: 0; padding: .5rem 16px 1rem; border-bottom: 1px solid var(--line); display: none; }
  .nav.open { display: flex; }
  .nav a:not(.btn) { padding: .8rem 0; border-bottom: 1px solid var(--line); }
  .nav .btn { margin-top: .8rem; text-align: center; }
  .menu-btn[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .menu-btn[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
  .menu-btn[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
  .hero__inner { grid-template-columns: 1fr; }
  .hero__art { order: -1; max-width: 200px; margin-inline: auto; }
}
@media (max-width: 480px) {
  .products { grid-template-columns: 1fr; }
  .stats { grid-template-columns: 1fr; }
}
@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition: none !important; }
  html { scroll-behavior: auto; }
}