/* =========================================================
   MOUNTAIN ICE — Agua de mesa purificada
   Paleta basada en el logotipo
   ========================================================= */
:root {
  --navy: #0b2a5b;        /* azul profundo de las piezas */
  --navy-2: #123a7a;
  --blue: #2b9af3;        /* azul del pico del logo */
  --sky: #5cc4ff;         /* celeste hielo */
  --cyan: #22d3ee;        /* acento "FÁCIL / NEGOCIO" */
  --ice: #eaf6ff;         /* fondo hielo */
  --ink: #0e1116;         /* negro del logo */
  --text: #3b4758;
  --white: #ffffff;
  --green-wa: #25d366;
  --red-pe: #d91023;

  --radius: 18px;
  --radius-lg: 28px;
  --shadow: 0 10px 30px rgba(11, 42, 91, .12);
  --shadow-lg: 0 24px 60px rgba(11, 42, 91, .22);
  --header-h: 76px;
  --container: 1200px;
  --ease: cubic-bezier(.2, .7, .2, 1);
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: var(--header-h); }
body {
  margin: 0;
  font-family: "Montserrat", system-ui, -apple-system, "Segoe UI", sans-serif;
  color: var(--text);
  background: var(--white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; }
h1, h2, h3, h4 { color: var(--navy); line-height: 1.15; margin: 0 0 .6em; font-weight: 800; letter-spacing: -.01em; }
h1, .h1 { font-size: clamp(2rem, 5vw, 3.6rem); font-weight: 900; }
h2 { font-size: clamp(1.7rem, 3.6vw, 2.6rem); }
h3 { font-size: 1.25rem; }
p { margin: 0 0 1em; }

.container { width: min(100% - 2.5rem, var(--container)); margin-inline: auto; }
.accent { color: var(--blue); }
.ico { width: 1.25em; height: 1.25em; flex-shrink: 0; }

/* ---------- Botones ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .55em;
  padding: .9em 1.6em; border-radius: 999px; border: 2px solid transparent;
  font-weight: 700; font-size: .95rem; letter-spacing: .01em;
  transition: transform .25s var(--ease), box-shadow .25s var(--ease), background .25s, color .25s;
  white-space: nowrap;
}
.btn:hover { transform: translateY(-2px); }
.btn--primary { background: linear-gradient(135deg, var(--blue), var(--navy-2)); color: var(--white); box-shadow: 0 10px 24px rgba(43, 154, 243, .35); }
.btn--primary:hover { box-shadow: 0 14px 30px rgba(43, 154, 243, .45); }
.btn--ghost { border-color: currentColor; color: var(--navy); background: rgba(255,255,255,.6); backdrop-filter: blur(6px); }
.btn--wa { background: var(--green-wa); color: var(--white); box-shadow: 0 10px 24px rgba(37, 211, 102, .35); }
.btn--wa:hover { background: #1ebe5a; }
.btn--block { width: 100%; }
.btn--lg { padding: 1.1em 1.6em; font-size: 1.05rem; }

/* ---------- Header ---------- */
.header {
  position: fixed; inset: 0 0 auto; z-index: 100; height: var(--header-h);
  transition: box-shadow .3s, height .3s;
}
.header::before { content: ""; position: absolute; inset: 0; z-index: -1; background: rgba(255, 255, 255, .92); backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px); }
.header.is-scrolled { box-shadow: 0 6px 24px rgba(11, 42, 91, .1); }
.header__inner { height: 100%; display: flex; align-items: center; justify-content: space-between; gap: 1rem; }

.brand { display: flex; align-items: center; gap: .6rem; color: var(--ink); }
.brand__peaks { width: 58px; height: 28px; color: var(--ink); }
.brand__text { display: flex; flex-direction: column; line-height: 1; }
.brand__name { font-family: "Josefin Sans", "Montserrat", sans-serif; font-weight: 600; font-size: 1.3rem; letter-spacing: .12em; color: var(--ink); }
.brand__tag { font-size: .55rem; letter-spacing: .28em; color: var(--text); margin-top: 4px; font-weight: 600; }

.nav { display: flex; align-items: center; gap: 1.6rem; }
.nav__link { font-weight: 600; font-size: .92rem; color: var(--navy); position: relative; padding: .3em 0; }
.nav__link::after {
  content: ""; position: absolute; left: 0; bottom: -2px; height: 2px; width: 100%;
  background: var(--blue); transform: scaleX(0); transform-origin: left; transition: transform .3s var(--ease);
}
.nav__link:hover::after, .nav__link.is-active::after { transform: scaleX(1); }
.nav__cta { padding: .7em 1.2em; font-size: .88rem; }

.burger { display: none; width: 44px; height: 44px; border: 0; background: var(--ice); border-radius: 12px; position: relative; }
.burger span { position: absolute; left: 11px; right: 11px; height: 2px; background: var(--navy); border-radius: 2px; transition: transform .3s, opacity .3s; }
.burger span:nth-child(1) { top: 15px; }
.burger span:nth-child(2) { top: 21px; }
.burger span:nth-child(3) { top: 27px; }
.burger[aria-expanded="true"] span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.burger[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.burger[aria-expanded="true"] span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

/* ---------- Hero slider ---------- */
.hero { padding-top: var(--header-h); background: var(--ice); }
.slider { position: relative; overflow: hidden; aspect-ratio: 3 / 1; min-height: 420px; max-height: 640px; width: 100%; }
.slide {
  position: absolute; inset: 0; opacity: 0; visibility: hidden;
  transition: opacity .9s var(--ease), visibility .9s;
}
.slide.is-active { opacity: 1; visibility: visible; }
.slide picture, .slide > picture img { width: 100%; height: 100%; }
.slide > picture img { object-fit: cover; object-position: center; }

.slide--content { display: flex; align-items: center; }
.slide__bg { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; object-position: center 35%; }
.slide--content::before {
  content: ""; position: absolute; inset: 0; z-index: 1;
  background: linear-gradient(90deg, rgba(234,246,255,.97) 0%, rgba(234,246,255,.88) 42%, rgba(234,246,255,.1) 75%);
}
.slide--dark::before { background: linear-gradient(90deg, rgba(11,42,91,.92) 0%, rgba(11,42,91,.75) 45%, rgba(11,42,91,0) 80%); }
.slide--dark h2, .slide--dark p { color: var(--white); }
.slide--dark .accent { color: var(--sky); }
.slide__inner { position: relative; z-index: 2; display: flex; align-items: center; justify-content: space-between; gap: 2rem; height: 100%; }
.slide__text { max-width: 600px; }
.slide__text p { font-size: 1.08rem; max-width: 520px; }
.slide__actions { display: flex; flex-wrap: wrap; gap: .8rem; margin-top: 1.4rem; }
.slide__product {
  height: 88%; width: auto; aspect-ratio: 4/5; object-fit: cover; border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg); animation: float 6s ease-in-out infinite;
}
.slide.is-active .slide__text > * { animation: rise .9s var(--ease) both; }
.slide.is-active .slide__text > *:nth-child(2) { animation-delay: .1s; }
.slide.is-active .slide__text > *:nth-child(3) { animation-delay: .2s; }
.slide.is-active .slide__text > *:nth-child(4) { animation-delay: .3s; }

.pill {
  display: inline-block; padding: .45em 1em; border-radius: 999px; font-size: .78rem; font-weight: 700;
  letter-spacing: .06em; text-transform: uppercase; background: var(--white); color: var(--blue);
  box-shadow: var(--shadow); margin-bottom: 1rem;
}

.slider__arrow {
  position: absolute; top: 50%; transform: translateY(-50%); z-index: 5;
  width: 46px; height: 46px; border-radius: 50%; border: 0;
  background: rgba(255,255,255,.85); color: var(--navy); font-size: 1.1rem; box-shadow: var(--shadow);
  transition: background .25s, transform .25s;
}
.slider__arrow:hover { background: var(--white); transform: translateY(-50%) scale(1.08); }
.slider__arrow--prev { left: 1.2rem; }
.slider__arrow--next { right: 1.2rem; }
.slider__dots { position: absolute; bottom: 1.2rem; left: 50%; transform: translateX(-50%); display: flex; gap: .5rem; z-index: 5; }
.slider__dots button { width: 11px; height: 11px; border-radius: 99px; border: 0; padding: 0; background: rgba(255,255,255,.6); box-shadow: 0 0 0 1px rgba(11,42,91,.25); transition: width .3s, background .3s; }
.slider__dots button.is-active { width: 30px; background: var(--blue); }

/* ---------- Trust bar ---------- */
.trust { position: relative; z-index: 3; margin-top: 1.6rem; }
.trust__grid {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 1rem;
  background: var(--white); border-radius: var(--radius-lg); padding: 1.4rem 1.6rem; box-shadow: var(--shadow-lg);
}
.trust__item { display: flex; align-items: center; gap: .9rem; }
.trust__item strong { display: block; color: var(--navy); font-size: .95rem; }
.trust__item small { color: var(--text); font-size: .8rem; }
.trust__icon { width: 50px; height: 50px; border-radius: 14px; background: var(--ice); color: var(--blue); display: grid; place-items: center; flex-shrink: 0; }
.trust__icon svg { width: 26px; height: 26px; }
.trust__flag { width: 50px; height: 34px; border-radius: 6px; flex-shrink: 0; box-shadow: 0 0 0 1px rgba(0,0,0,.08); }
.trust__flag--pe { background: linear-gradient(90deg, var(--red-pe) 33.3%, #fff 33.3% 66.6%, var(--red-pe) 66.6%); }
.trust__flag--us {
  background:
    linear-gradient(#3c3b6e, #3c3b6e) 0 0 / 45% 54% no-repeat,
    repeating-linear-gradient(180deg, #b22234 0 7.7%, #fff 7.7% 15.4%);
}

/* ---------- Secciones ---------- */
.section { padding: clamp(4rem, 9vw, 7rem) 0; position: relative; }
.section__head { text-align: center; max-width: 720px; margin: 0 auto 3rem; }
.section__head p { font-size: 1.05rem; }
.eyebrow {
  display: inline-flex; align-items: center; gap: .6em; font-size: .8rem; font-weight: 700;
  text-transform: uppercase; letter-spacing: .18em; color: var(--blue); margin-bottom: .8rem;
}
.eyebrow::before { content: ""; width: 28px; height: 2px; background: currentColor; }
.eyebrow--light { color: var(--sky); }

/* ---------- Nosotros ---------- */
.about__grid { display: grid; grid-template-columns: 1fr 1.1fr; gap: clamp(2rem, 6vw, 5rem); align-items: center; }
.about__media { position: relative; }
.about__img--main { border-radius: var(--radius-lg); box-shadow: var(--shadow-lg); aspect-ratio: 4/5; object-fit: cover; width: 100%; }
.about__img--badge {
  position: absolute; width: 38%; right: -6%; bottom: -6%; border-radius: 50%;
  border: 6px solid var(--white); box-shadow: var(--shadow-lg); animation: float 7s ease-in-out infinite;
}
.about__text p { font-size: 1.03rem; }
.checks { list-style: none; padding: 0; margin: 1.4rem 0 2rem; display: grid; grid-template-columns: 1fr 1fr; gap: .7rem 1.2rem; }
.checks li { position: relative; padding-left: 1.9rem; font-weight: 600; color: var(--navy); font-size: .93rem; }
.checks li::before {
  content: "✓"; position: absolute; left: 0; top: .05em; width: 1.3rem; height: 1.3rem; border-radius: 50%;
  background: var(--blue); color: #fff; font-size: .75rem; display: grid; place-items: center;
}

/* ---------- Proceso ---------- */
.process { background: linear-gradient(160deg, var(--navy) 0%, #06193a 100%); color: #c9d7ee; overflow: hidden; }
.process::before {
  content: ""; position: absolute; inset: auto -10% -40% auto; width: 600px; height: 600px; border-radius: 50%;
  background: radial-gradient(circle, rgba(43,154,243,.35), transparent 65%);
}
.process h2 { color: var(--white); }
.process__grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.4rem; position: relative; }
.step {
  background: rgba(255,255,255,.06); border: 1px solid rgba(255,255,255,.12); border-radius: var(--radius);
  padding: 2rem 1.6rem; transition: transform .35s var(--ease), background .35s;
}
.step:hover { transform: translateY(-6px); background: rgba(255,255,255,.1); }
.step__num { font-size: 2.6rem; font-weight: 900; background: linear-gradient(135deg, var(--sky), var(--blue)); -webkit-background-clip: text; background-clip: text; color: transparent; display: block; margin-bottom: .6rem; }
.step h3 { color: var(--white); }
.step p { margin: 0; font-size: .93rem; }

/* ---------- Productos ---------- */
.products { background: linear-gradient(180deg, var(--white), var(--ice)); }
.products__grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.8rem; }
.card {
  background: var(--white); border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow);
  display: flex; flex-direction: column; transition: transform .35s var(--ease), box-shadow .35s;
}
.card:hover { transform: translateY(-8px); box-shadow: var(--shadow-lg); }
.card__media { aspect-ratio: 1 / 1; overflow: hidden; background: var(--ice); }
.card__media img { width: 100%; height: 100%; object-fit: cover; transition: transform .6s var(--ease); }
.card:hover .card__media img { transform: scale(1.06); }
.card__body { padding: 1.6rem; display: flex; flex-direction: column; flex: 1; }
.card__body p { font-size: .94rem; flex: 1; }
.card__tag { align-self: flex-start; font-size: .72rem; font-weight: 700; text-transform: uppercase; letter-spacing: .1em; padding: .35em .8em; border-radius: 99px; background: var(--ice); color: var(--blue); margin-bottom: .8rem; }
.card__tag--alt { background: #e6fbff; color: #0891b2; }
.card__tag--hot { background: #fff1f2; color: #e11d48; }
.card__price { font-size: 2rem; font-weight: 900; color: var(--navy); margin-bottom: 1.1rem; }
.card__price small { font-size: .8rem; font-weight: 600; color: var(--text); margin-right: .3em; }
.card__price--quote { font-size: 1rem; font-weight: 700; color: var(--blue); padding: .7rem 0; }

/* ---------- Promociones ---------- */
.price-table { max-width: 760px; margin: 0 auto 3.5rem; background: var(--white); border-radius: var(--radius-lg); box-shadow: var(--shadow); overflow: hidden; }
.price-row { display: flex; align-items: center; justify-content: space-between; gap: 1rem; padding: 1.2rem 1.8rem; border-bottom: 1px dashed #d6e4f5; }
.price-row:last-child { border-bottom: 0; }
.price-row strong { display: block; color: var(--navy); font-size: 1.05rem; }
.price-row small { color: var(--text); }
.price-row__val { font-size: 1.7rem; font-weight: 900; color: var(--blue); white-space: nowrap; }
.price-row--featured { background: linear-gradient(135deg, var(--navy), var(--navy-2)); }
.price-row--featured strong, .price-row--featured .price-row__val { color: var(--white); }
.price-row--featured small { color: #b9cdea; }

.promos__grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.6rem; }
.promo { padding: 0; border: 0; background: none; border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow); transition: transform .35s var(--ease), box-shadow .35s; }
.promo:hover { transform: translateY(-6px) rotate(-.5deg); box-shadow: var(--shadow-lg); }
.promo img { width: 100%; aspect-ratio: 4/5; object-fit: cover; }

/* ---------- Cómo pedir ---------- */
.how { background: var(--ice); }
.how__grid { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(2rem, 6vw, 5rem); align-items: center; }
.how__media img { border-radius: var(--radius-lg); box-shadow: var(--shadow-lg); aspect-ratio: 4/5; object-fit: cover; width: 100%; }
.how__steps { list-style: none; padding: 0; margin: 1.6rem 0 2rem; display: grid; gap: 1.2rem; }
.how__steps li { display: flex; gap: 1rem; align-items: flex-start; background: var(--white); padding: 1.1rem 1.3rem; border-radius: var(--radius); box-shadow: var(--shadow); }
.how__steps li > span { width: 44px; height: 44px; flex-shrink: 0; border-radius: 50%; display: grid; place-items: center; font-weight: 900; color: var(--white); background: linear-gradient(135deg, var(--sky), var(--blue)); }
.how__steps strong { color: var(--navy); }
.how__steps p { margin: .2em 0 0; font-size: .92rem; }

/* ---------- Negocios ---------- */
.business { color: #d6e2f5; overflow: hidden; min-height: 560px; display: flex; align-items: center; }
.business__bg { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; object-position: center 72%; }
.business::before { content: ""; position: absolute; inset: 0; z-index: 1; background: linear-gradient(90deg, rgba(6,25,58,.97) 0%, rgba(6,25,58,.9) 45%, rgba(6,25,58,.55) 100%); }
.business__inner { position: relative; z-index: 2; }
.business__text { max-width: 580px; }
.business h2 { color: var(--white); }
.business .accent { color: var(--cyan); }
.business p { font-size: 1.05rem; }
.business strong { color: var(--white); }
.business__tags { display: flex; flex-wrap: wrap; gap: .6rem; margin: 1.4rem 0 2rem; }
.business__tags span { padding: .45em 1em; border-radius: 99px; border: 1px solid rgba(34,211,238,.5); color: var(--white); font-size: .85rem; font-weight: 600; background: rgba(34,211,238,.08); }

/* ---------- Galería ---------- */
.gallery__grid { display: grid; grid-template-columns: repeat(4, 1fr); grid-auto-rows: 260px; gap: 1rem; }
.gallery__item { padding: 0; border: 0; border-radius: var(--radius); overflow: hidden; background: var(--ice); position: relative; }
.gallery__item--tall { grid-row: span 2; grid-column: span 2; }
.gallery__item img { width: 100%; height: 100%; object-fit: cover; transition: transform .7s var(--ease); }
.gallery__item:hover img { transform: scale(1.07); }
.gallery__item::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, transparent 60%, rgba(11,42,91,.35)); opacity: 0; transition: opacity .4s; }
.gallery__item:hover::after { opacity: 1; }

/* ---------- Pedido ---------- */
.order { background: linear-gradient(150deg, var(--navy) 0%, #0f3f86 60%, var(--blue) 140%); color: #cfdcf0; overflow: hidden; }
.order::before {
  content: ""; position: absolute; left: -200px; top: -200px; width: 520px; height: 520px; border-radius: 50%;
  background: radial-gradient(circle, rgba(92,196,255,.3), transparent 65%);
}
.order__grid > *, .about__grid > *, .how__grid > * { min-width: 0; }
.order__grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: clamp(2rem, 6vw, 5rem); align-items: center; position: relative; }
.order h2 { color: var(--white); }
.order__intro p { font-size: 1.05rem; }
.order__phone { display: inline-flex; align-items: center; gap: 1rem; margin-top: 1rem; padding: 1rem 1.4rem; border-radius: var(--radius); background: rgba(255,255,255,.08); border: 1px solid rgba(255,255,255,.18); color: var(--white); font-size: clamp(1.6rem, 3.4vw, 2.3rem); font-weight: 900; line-height: 1.1; }
.order__phone .ico { width: 48px; height: 48px; color: var(--green-wa); }
.order__phone small { display: block; font-size: .75rem; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; color: var(--sky); }

.order__form { background: var(--white); border-radius: var(--radius-lg); padding: clamp(1.4rem, 3vw, 2.2rem); box-shadow: var(--shadow-lg); color: var(--text); }
.qty-list { display: grid; gap: .7rem; margin-bottom: 1.4rem; }
.qty { display: flex; align-items: center; justify-content: space-between; gap: 1rem; padding: .85rem 1rem; border-radius: 14px; background: var(--ice); border: 2px solid transparent; transition: border-color .25s, background .25s; }
.qty.has-items { border-color: var(--blue); background: #f2f9ff; }
.qty__info { min-width: 0; }
.qty__info strong { display: block; color: var(--navy); font-size: .95rem; }
.qty__info small { font-size: .8rem; }
.qty__ctrl { display: flex; align-items: center; gap: .4rem; }
.qty__ctrl button { width: 36px; height: 36px; border-radius: 10px; border: 0; background: var(--white); color: var(--navy); font-size: 1.2rem; font-weight: 700; box-shadow: 0 2px 6px rgba(11,42,91,.12); transition: background .2s, color .2s; }
.qty__ctrl button:hover { background: var(--blue); color: var(--white); }
.qty__ctrl output { min-width: 28px; text-align: center; font-weight: 800; color: var(--navy); }

.fields { display: grid; grid-template-columns: 1fr 1fr; gap: .9rem; margin-bottom: 1.2rem; }
.fields label { display: flex; flex-direction: column; gap: .35rem; font-size: .82rem; font-weight: 700; color: var(--navy); }
.fields__full { grid-column: 1 / -1; }
.fields input { width: 100%; min-width: 0; font: inherit; font-weight: 500; padding: .8em 1em; border-radius: 12px; border: 2px solid #dbe7f5; background: var(--white); color: var(--ink); transition: border-color .2s, box-shadow .2s; }
.fields input:focus { outline: none; border-color: var(--blue); box-shadow: 0 0 0 4px rgba(43,154,243,.15); }

.order__total { display: flex; justify-content: space-between; align-items: baseline; padding: 1rem 0 .3rem; border-top: 1px dashed #d6e4f5; }
.order__total span { font-weight: 600; }
.order__total strong { font-size: 1.8rem; font-weight: 900; color: var(--navy); }
.order__note { font-size: .82rem; margin-bottom: 1rem; min-height: 1.3em; }
.order__note.is-error { color: #e11d48; font-weight: 600; }

/* ---------- Footer ---------- */
.footer { background: #06193a; color: #9fb3d1; padding-top: 4rem; font-size: .93rem; }
.footer__grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1fr; gap: 2.5rem; padding-bottom: 3rem; }
.footer__brand img { width: 96px; height: 96px; border-radius: 50%; margin-bottom: 1rem; }
.footer h4 { color: var(--white); font-size: 1rem; margin-bottom: 1rem; }
.footer ul { list-style: none; padding: 0; margin: 0; display: grid; gap: .55rem; }
.footer a:hover { color: var(--sky); }
.footer__bottom { border-top: 1px solid rgba(255,255,255,.08); padding: 1.3rem 0; font-size: .82rem; text-align: center; }

/* ---------- WhatsApp flotante ---------- */
.wa-float {
  position: fixed; right: 20px; bottom: 20px; z-index: 90; width: 62px; height: 62px; border-radius: 50%;
  background: var(--green-wa); color: var(--white); display: grid; place-items: center;
  box-shadow: 0 10px 30px rgba(37,211,102,.45); transition: transform .3s var(--ease);
}
.wa-float svg { width: 34px; height: 34px; }
.wa-float::before { content: ""; position: absolute; inset: 0; border-radius: 50%; background: var(--green-wa); z-index: -1; animation: pulse 2.2s ease-out infinite; }
.wa-float:hover { transform: scale(1.08); }

/* ---------- Lightbox ---------- */
.lightbox { position: fixed; inset: 0; z-index: 200; background: rgba(6,25,58,.92); display: grid; place-items: center; padding: 1.5rem; animation: fade .3s both; }
.lightbox[hidden] { display: none; }
.lightbox img { max-height: 90vh; max-width: min(100%, 900px); border-radius: var(--radius); box-shadow: var(--shadow-lg); }
.lightbox__close { position: absolute; top: 1rem; right: 1rem; width: 48px; height: 48px; border-radius: 50%; border: 0; background: var(--white); color: var(--navy); font-size: 1.8rem; line-height: 1; }

/* ---------- Animaciones ---------- */
.reveal { opacity: 0; transform: translateY(30px); transition: opacity .8s var(--ease), transform .8s var(--ease); }
.reveal.is-visible { opacity: 1; transform: none; }
@keyframes float { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-12px); } }
@keyframes rise { from { opacity: 0; transform: translateY(24px); } to { opacity: 1; transform: none; } }
@keyframes pulse { 0% { transform: scale(1); opacity: .6; } 100% { transform: scale(1.7); opacity: 0; } }
@keyframes fade { from { opacity: 0; } to { opacity: 1; } }
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .reveal { opacity: 1; transform: none; }
}

/* =========================================================
   RESPONSIVE
   ========================================================= */
@media (max-width: 1080px) {
  .nav { gap: 1.1rem; }
  .nav__link { font-size: .86rem; }
  .process__grid { grid-template-columns: repeat(2, 1fr); }
  .trust__grid { grid-template-columns: repeat(2, 1fr); }
  .footer__grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 920px) {
  :root { --header-h: 68px; }
  .burger { display: block; }
  .nav {
    position: fixed; top: var(--header-h); left: 0; right: 0; bottom: 0;
    flex-direction: column; align-items: stretch; gap: 0; padding: 1.5rem 1.5rem 2rem;
    background: var(--white); transform: translateX(100%); transition: transform .4s var(--ease);
    overflow-y: auto;
  }
  .nav.is-open { transform: none; }
  .nav__link { font-size: 1.1rem; padding: 1rem 0; border-bottom: 1px solid #e6eef8; }
  .nav__link::after { display: none; }
  .nav__cta { margin-top: 1.5rem; padding: 1em; font-size: 1rem; }

  .slider { aspect-ratio: auto; height: 560px; max-height: none; }
  .slide__product { display: none; }
  .slide--content::before { background: linear-gradient(180deg, rgba(234,246,255,.95) 0%, rgba(234,246,255,.85) 55%, rgba(234,246,255,.3) 100%); }
  .slide--dark::before { background: linear-gradient(180deg, rgba(11,42,91,.9) 0%, rgba(11,42,91,.7) 60%, rgba(11,42,91,.3) 100%); }

  .about__grid, .how__grid, .order__grid { grid-template-columns: 1fr; }
  .about__media { max-width: 460px; margin-inline: auto; }
  .how__media { max-width: 460px; margin-inline: auto; order: 2; }
  .products__grid { grid-template-columns: repeat(2, 1fr); }
  .promos__grid { grid-template-columns: repeat(2, 1fr); }
  .gallery__grid { grid-template-columns: repeat(2, 1fr); grid-auto-rows: 220px; }
}

@media (max-width: 767px) {
  /* En móvil el primer slide usa la pieza vertical */
  .slider { height: auto; aspect-ratio: 4 / 5; min-height: 520px; }
  .slide--content { align-items: flex-start; padding-top: 2.5rem; }
  .slide__text p { font-size: .98rem; }
  .slider__arrow { display: none; }

  .trust__grid { padding: 1.2rem; gap: 1.1rem; }
  .checks { grid-template-columns: 1fr; }
  .about__img--badge { right: -2%; bottom: -4%; width: 34%; }
}

@media (max-width: 600px) {
  .brand__peaks { width: 46px; height: 22px; }
  .brand__name { font-size: 1.05rem; }
  .brand__tag { font-size: .46rem; letter-spacing: .2em; }
  .trust__grid { grid-template-columns: 1fr; }
  .products__grid, .promos__grid { grid-template-columns: 1fr; }
  .card__media { aspect-ratio: 4/3; }
  .price-row { padding: 1rem 1.2rem; }
  .price-row__val { font-size: 1.35rem; }
  .gallery__grid { grid-auto-rows: 170px; gap: .6rem; }
  .fields { grid-template-columns: 1fr; }
  .qty { padding: .75rem .8rem; }
  .footer__grid { grid-template-columns: 1fr; gap: 2rem; }
  .wa-float { width: 56px; height: 56px; right: 14px; bottom: 14px; }
  .business { min-height: auto; }
  .business::before { background: rgba(6,25,58,.86); }
}