/* ═══════════════════════════════════════════════════════════
   ESOLAR — Sistema de diseño
   ═══════════════════════════════════════════════════════════ */

:root {
  /* Marca */
  --naranja: #f4741e;
  --naranja-claro: #ffa726;
  --naranja-osc: #d95d0c;
  --azul: #0d2a47;
  --azul-medio: #16456f;
  --azul-claro: #2b6ca8;
  --verde: #12a05f;
  --verde-claro: #e7f6ee;

  /* Neutros */
  --tinta: #0f1a26;
  --gris-900: #1c2733;
  --gris-600: #5a6b7d;
  --gris-400: #94a3b3;
  --gris-200: #dde4ec;
  --gris-100: #f1f5f9;
  --gris-50: #f8fafc;
  --blanco: #fff;

  /* Sistema */
  --r-sm: 10px;
  --r: 16px;
  --r-lg: 24px;
  --r-full: 999px;
  --sombra-sm: 0 2px 8px rgba(15, 26, 38, .06);
  --sombra: 0 8px 30px rgba(15, 26, 38, .10);
  --sombra-lg: 0 20px 60px rgba(15, 26, 38, .16);
  --sombra-naranja: 0 8px 26px rgba(244, 116, 30, .32);
  --ease: cubic-bezier(.22, 1, .36, 1);
  --max: 1240px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  color: var(--gris-900);
  background: var(--blanco);
  line-height: 1.65;
  overflow-x: hidden;
  font-size: 16px;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }

h1, h2, h3, h4 { line-height: 1.15; letter-spacing: -.022em; color: var(--azul); font-weight: 800; }

.env { width: 100%; max-width: var(--max); margin: 0 auto; padding: 0 24px; }
.centro { text-align: center; }

/* ── Animaciones de entrada ─────────────────────────────── */
[data-anim] {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity .75s var(--ease), transform .75s var(--ease);
  will-change: opacity, transform;
}
[data-anim="izq"]  { transform: translateX(-38px); }
[data-anim="der"]  { transform: translateX(38px); }
[data-anim="zoom"] { transform: scale(.94); }
[data-anim].visible { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  [data-anim] { opacity: 1; transform: none; transition: none; }
  .flota, .pulso, .brilla { animation: none !important; }
}

@keyframes flotar { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-11px); } }
@keyframes pulsar { 0%,100% { box-shadow: 0 0 0 0 rgba(18,160,95,.55); } 70% { box-shadow: 0 0 0 16px rgba(18,160,95,0); } }
@keyframes brillo { 0% { background-position: -420px 0; } 100% { background-position: 420px 0; } }
@keyframes bajar  { 0%,100% { transform: translateY(0); opacity: .85; } 50% { transform: translateY(9px); opacity: .35; } }
.flota { animation: flotar 5.5s ease-in-out infinite; }
.pulso { animation: pulsar 2.4s infinite; }

/* ── Botones ────────────────────────────────────────────── */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 9px;
  padding: 15px 30px; border-radius: var(--r-full);
  font-weight: 700; font-size: .97rem; letter-spacing: -.01em;
  transition: transform .25s var(--ease), box-shadow .25s var(--ease), background .2s;
  position: relative; overflow: hidden; white-space: nowrap;
}
.btn::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(120deg, transparent 30%, rgba(255,255,255,.28) 50%, transparent 70%);
  transform: translateX(-100%); transition: transform .6s var(--ease);
}
.btn:hover::after { transform: translateX(100%); }
.btn:hover { transform: translateY(-3px); }
.btn:active { transform: translateY(-1px); }

.btn-naranja { background: linear-gradient(135deg, var(--naranja), var(--naranja-claro)); color: #fff; box-shadow: var(--sombra-naranja); }
.btn-naranja:hover { box-shadow: 0 14px 34px rgba(244,116,30,.42); }
.btn-verde { background: var(--verde); color: #fff; box-shadow: 0 8px 24px rgba(18,160,95,.30); }
.btn-verde:hover { background: #0d8a50; }
.btn-azul { background: var(--azul); color: #fff; }
.btn-azul:hover { background: var(--azul-medio); }
.btn-vidrio {
  background: rgba(255,255,255,.13); color: #fff;
  border: 1.5px solid rgba(255,255,255,.42); backdrop-filter: blur(10px);
}
.btn-vidrio:hover { background: rgba(255,255,255,.24); }
.btn-lin { background: transparent; color: var(--azul); border: 1.5px solid var(--gris-200); }
.btn-lin:hover { border-color: var(--naranja); color: var(--naranja); }
.btn-sm { padding: 11px 20px; font-size: .88rem; }

/* ── Encabezado ─────────────────────────────────────────── */
.cab {
  position: fixed; top: 0; left: 0; right: 0; z-index: 200;
  transition: background .35s, box-shadow .35s, padding .35s;
  padding: 14px 0;
}
.cab.suelto { background: transparent; }
.cab.pegado {
  background: rgba(255,255,255,.93); backdrop-filter: blur(16px);
  box-shadow: var(--sombra-sm); padding: 8px 0;
}
.cab-fila { display: flex; align-items: center; gap: 22px; }

.marca { display: flex; align-items: center; gap: 11px; flex-shrink: 0; }
.marca img { height: 46px; width: auto; transition: height .3s; }
.cab.pegado .marca img { height: 40px; }
.marca-txt { display: flex; flex-direction: column; line-height: 1.05; }
.marca-nom { font-weight: 900; font-size: 1.5rem; letter-spacing: .13em; transition: color .3s, font-size .3s; }
.marca-sub { font-size: .74rem; font-weight: 600; letter-spacing: .04em; transition: color .3s; }
.cab.suelto .marca-nom, .cab.suelto .marca-sub { color: #fff; text-shadow: 0 2px 10px rgba(0,0,0,.4); }
.cab.pegado .marca-nom { color: var(--tinta); font-size: 1.35rem; }
.cab.pegado .marca-sub { color: var(--gris-600); }

.menu { display: flex; gap: 4px; margin-left: auto; }
.menu > a {
  padding: 9px 15px; border-radius: var(--r-full);
  font-weight: 600; font-size: .93rem; transition: background .2s, color .2s;
}
.cab.suelto .menu > a { color: rgba(255,255,255,.94); text-shadow: 0 1px 8px rgba(0,0,0,.35); }
.cab.suelto .menu > a:hover { background: rgba(255,255,255,.18); }
.cab.pegado .menu > a { color: var(--gris-900); }
.cab.pegado .menu > a:hover { background: var(--gris-100); color: var(--naranja); }
.menu > a.activo { color: var(--naranja) !important; }

.cab-acc { display: flex; align-items: center; gap: 10px; }
.hamb {
  display: none; width: 44px; height: 44px; border-radius: 12px;
  align-items: center; justify-content: center; font-size: 1.3rem;
  border: 1.5px solid var(--gris-200); background: rgba(255,255,255,.9);
}
.cab.suelto .hamb { color: #fff; border-color: rgba(255,255,255,.45); background: rgba(255,255,255,.15); backdrop-filter: blur(8px); }

/* ── Hero ───────────────────────────────────────────────── */
.hero { position: relative; min-height: 100svh; display: flex; align-items: center; overflow: hidden; }
.hero-fondo { position: absolute; inset: 0; z-index: 0; }
.hero-fondo img { width: 100%; height: 100%; object-fit: cover; transform: scale(1.06); }
.hero-velo {
  position: absolute; inset: 0; z-index: 1;
  background:
    linear-gradient(100deg, rgba(8,20,34,.90) 0%, rgba(8,20,34,.68) 42%, rgba(8,20,34,.18) 72%, rgba(8,20,34,.05) 100%),
    linear-gradient(0deg, rgba(8,20,34,.55) 0%, transparent 45%);
}
.hero-txt { position: relative; z-index: 2; padding: 130px 0 96px; max-width: 700px; color: #fff; }

.marbete {
  display: inline-flex; align-items: center; gap: 9px;
  background: rgba(244,116,30,.17); border: 1px solid rgba(255,167,38,.45);
  color: #ffc078; padding: 8px 17px; border-radius: var(--r-full);
  font-size: .8rem; font-weight: 700; letter-spacing: .09em; text-transform: uppercase;
  backdrop-filter: blur(10px); margin-bottom: 22px;
}
.hero h1 {
  font-size: clamp(2.5rem, 6.2vw, 4.4rem); color: #fff; font-weight: 900;
  letter-spacing: -.035em; text-shadow: 0 4px 34px rgba(0,0,0,.42);
}
.hero h1 .destaca {
  background: linear-gradient(120deg, var(--naranja-claro), #ffd591);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.hero-baja {
  font-size: clamp(1.03rem, 2vw, 1.2rem); margin-top: 22px;
  color: rgba(255,255,255,.93); max-width: 570px; text-shadow: 0 2px 16px rgba(0,0,0,.42);
}
.hero-btns { display: flex; gap: 13px; margin-top: 34px; flex-wrap: wrap; }

.hero-datos {
  display: flex; gap: 42px; margin-top: 52px; padding-top: 30px;
  border-top: 1px solid rgba(255,255,255,.22); flex-wrap: wrap;
}
.dato .num {
  font-size: 2.15rem; font-weight: 900; color: #fff;
  letter-spacing: -.03em; line-height: 1; display: block;
}
.dato .num small { font-size: 1.1rem; color: var(--naranja-claro); }
.dato .eti { font-size: .81rem; color: rgba(255,255,255,.76); margin-top: 6px; font-weight: 600; }

.hero-scroll {
  position: absolute; bottom: 26px; left: 50%; transform: translateX(-50%);
  z-index: 2; color: rgba(255,255,255,.75); font-size: 1.7rem;
  animation: bajar 2.1s ease-in-out infinite;
}

/* ── Cinta de confianza ─────────────────────────────────── */
.cinta { background: var(--azul); color: #fff; padding: 17px 0; }
.cinta-fila { display: flex; justify-content: center; gap: 14px 46px; flex-wrap: wrap; }
.cinta-item { display: flex; align-items: center; gap: 9px; font-size: .91rem; font-weight: 600; }
.cinta-item .tic { color: #6fe3a8; font-size: 1.05rem; }

/* ── Secciones ──────────────────────────────────────────── */
.sec { padding: 92px 0; position: relative; }
.sec-gris { background: var(--gris-50); }
.sec-azul { background: var(--azul); color: #fff; }
.sec-azul h2, .sec-azul h3 { color: #fff; }

.rotulo {
  display: inline-block; color: var(--naranja); font-weight: 800;
  font-size: .79rem; letter-spacing: .15em; text-transform: uppercase; margin-bottom: 13px;
}
.sec h2 { font-size: clamp(1.85rem, 3.6vw, 2.65rem); }
.sec-baja { color: var(--gris-600); margin-top: 15px; max-width: 620px; font-size: 1.03rem; }
.sec-azul .sec-baja { color: rgba(255,255,255,.78); }
.centro .sec-baja { margin-left: auto; margin-right: auto; }

/* ── Rejilla de categorías ──────────────────────────────── */
.rej-cat { display: grid; grid-template-columns: repeat(auto-fit, minmax(258px, 1fr)); gap: 26px; margin-top: 46px; }
.cat {
  position: relative; border-radius: var(--r-lg); overflow: hidden;
  min-height: 340px; display: flex; align-items: flex-end;
  transition: transform .45s var(--ease), box-shadow .45s var(--ease);
  box-shadow: var(--sombra-sm);
}
.cat:hover { transform: translateY(-9px); box-shadow: var(--sombra-lg); }
.cat img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; transition: transform .8s var(--ease); }
.cat:hover img { transform: scale(1.09); }
.cat::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(0deg, rgba(8,20,34,.93) 6%, rgba(8,20,34,.55) 42%, rgba(8,20,34,.12) 100%);
  transition: background .4s;
}
.cat:hover::after { background: linear-gradient(0deg, rgba(13,42,71,.95) 6%, rgba(13,42,71,.62) 46%, rgba(8,20,34,.16) 100%); }
.cat-cuerpo { position: relative; z-index: 2; padding: 26px 24px; color: #fff; width: 100%; }
.cat-cuerpo h3 { color: #fff; font-size: 1.24rem; }
.cat-cuerpo p { font-size: .89rem; color: rgba(255,255,255,.85); margin-top: 7px; }
.cat-mas {
  display: inline-flex; align-items: center; gap: 7px; margin-top: 14px;
  font-weight: 700; font-size: .87rem; color: var(--naranja-claro);
  transform: translateX(0); transition: transform .3s var(--ease);
}
.cat:hover .cat-mas { transform: translateX(6px); }

/* ── Tarjetas de kit ────────────────────────────────────── */
.rej-kits { display: grid; grid-template-columns: repeat(auto-fill, minmax(288px, 1fr)); gap: 26px; margin-top: 44px; }
.kit {
  background: #fff; border: 1px solid var(--gris-200); border-radius: var(--r-lg);
  overflow: hidden; display: flex; flex-direction: column;
  transition: transform .4s var(--ease), box-shadow .4s var(--ease), border-color .3s;
}
.kit:hover { transform: translateY(-8px); box-shadow: var(--sombra-lg); border-color: rgba(244,116,30,.35); }
.kit-foto { position: relative; aspect-ratio: 16/10; overflow: hidden; background: var(--gris-100); }
.kit-foto img { width: 100%; height: 100%; object-fit: cover; transition: transform .7s var(--ease); }
.kit:hover .kit-foto img { transform: scale(1.07); }
.kit-marbetes { position: absolute; top: 13px; left: 13px; right: 13px; display: flex; justify-content: space-between; gap: 8px; z-index: 2; }
.pin {
  padding: 5px 12px; border-radius: var(--r-full);
  font-size: .73rem; font-weight: 800; letter-spacing: .03em;
  backdrop-filter: blur(10px);
}
.pin-sis { background: rgba(13,42,71,.82); color: #fff; }
.pin-sis.on { background: rgba(43,108,168,.86); }
.pin-kwp { background: linear-gradient(135deg, var(--naranja), var(--naranja-claro)); color: #fff; box-shadow: 0 3px 12px rgba(244,116,30,.4); }
.pin-bat { position: absolute; bottom: 13px; left: 13px; z-index: 2; background: rgba(18,160,95,.9); color: #fff; }

.kit-cuerpo { padding: 20px 21px 23px; display: flex; flex-direction: column; flex: 1; gap: 13px; }
.kit-cuerpo h3 { font-size: 1.06rem; line-height: 1.3; }
.kit-perfil { font-size: .84rem; color: var(--gris-600); margin-top: -6px; }
.kit-perfil b { color: var(--verde); font-weight: 700; }
.specs { display: flex; flex-wrap: wrap; gap: 6px; }
.specs span {
  background: var(--gris-100); border-radius: 8px; padding: 5px 10px;
  font-size: .77rem; color: var(--gris-900);
}
.specs b { color: var(--azul-claro); }
.kit-precio { margin-top: auto; padding-top: 15px; border-top: 1px dashed var(--gris-200); }
.kit-precio .val { font-size: 1.62rem; font-weight: 900; color: var(--azul); letter-spacing: -.03em; }
.kit-precio .nota { font-size: .75rem; color: var(--gris-400); }
.kit-btns { display: grid; grid-template-columns: 1fr auto; gap: 9px; }

/* ── Banner de franja ───────────────────────────────────── */
.franja { position: relative; overflow: hidden; }
.franja-fondo { position: absolute; inset: 0; }
.franja-fondo img { width: 100%; height: 100%; object-fit: cover; }
.franja-velo { position: absolute; inset: 0; background: linear-gradient(90deg, rgba(8,20,34,.93) 0%, rgba(8,20,34,.72) 45%, rgba(8,20,34,.30) 100%); }
.franja-txt { position: relative; z-index: 2; padding: 108px 0; max-width: 620px; color: #fff; }
.franja-txt h2 { color: #fff; font-size: clamp(1.7rem, 3.4vw, 2.4rem); }
.franja-txt p { margin-top: 15px; color: rgba(255,255,255,.87); }
.franja-lista { margin: 22px 0 30px; display: flex; flex-direction: column; gap: 11px; }
.franja-lista li { list-style: none; display: flex; gap: 11px; align-items: flex-start; font-size: .95rem; color: rgba(255,255,255,.9); }
.franja-lista .tic { color: #6fe3a8; font-weight: 800; flex-shrink: 0; }
.franja.der .franja-velo { background: linear-gradient(270deg, rgba(8,20,34,.93) 0%, rgba(8,20,34,.72) 45%, rgba(8,20,34,.30) 100%); }
.franja.der .franja-txt { margin-left: auto; }

/* ── Servicios ──────────────────────────────────────────── */
.rej-serv { display: grid; grid-template-columns: repeat(auto-fit, minmax(276px, 1fr)); gap: 26px; margin-top: 46px; }
.serv {
  background: #fff; border-radius: var(--r-lg); overflow: hidden;
  border: 1px solid var(--gris-200);
  transition: transform .4s var(--ease), box-shadow .4s var(--ease);
}
.serv:hover { transform: translateY(-8px); box-shadow: var(--sombra-lg); }
.serv-foto { aspect-ratio: 16/10; overflow: hidden; }
.serv-foto img { width: 100%; height: 100%; object-fit: cover; transition: transform .7s var(--ease); }
.serv:hover .serv-foto img { transform: scale(1.08); }
.serv-cuerpo { padding: 24px 23px 26px; }
.serv-cuerpo h3 { font-size: 1.14rem; }
.serv-cuerpo h3 span { color: var(--naranja); }
.serv-cuerpo p { font-size: .91rem; color: var(--gris-600); margin-top: 9px; }
.serv-eti {
  display: inline-block; margin-top: 15px; font-size: .75rem; font-weight: 800;
  letter-spacing: .07em; color: var(--naranja); text-transform: uppercase;
}

/* ── Confianza ──────────────────────────────────────────── */
.rej-conf { display: grid; grid-template-columns: repeat(auto-fit, minmax(238px, 1fr)); gap: 24px; margin-top: 46px; }
.conf {
  background: rgba(255,255,255,.055); border: 1px solid rgba(255,255,255,.13);
  border-radius: var(--r); overflow: hidden; backdrop-filter: blur(8px);
  transition: transform .4s var(--ease), background .3s, border-color .3s;
}
.conf:hover { transform: translateY(-7px); background: rgba(255,255,255,.10); border-color: rgba(244,116,30,.42); }
.conf-foto { aspect-ratio: 4/3; overflow: hidden; }
.conf-foto img { width: 100%; height: 100%; object-fit: cover; transition: transform .7s var(--ease); }
.conf:hover .conf-foto img { transform: scale(1.07); }
.conf-cuerpo { padding: 19px 20px 23px; }
.conf-cuerpo h3 { font-size: 1.02rem; color: #fff; }
.conf-cuerpo p { font-size: .87rem; color: rgba(255,255,255,.7); margin-top: 7px; }

/* ── Calculadora ────────────────────────────────────────── */
.calc {
  background: #fff; border-radius: var(--r-lg); box-shadow: var(--sombra-lg);
  padding: 34px; margin-top: 44px; border: 1px solid var(--gris-200);
}
.calc-rej { display: grid; grid-template-columns: 1fr 1fr; gap: 30px; align-items: start; }
.calc-campo { margin-bottom: 22px; }
.calc-campo label { display: block; font-weight: 700; font-size: .9rem; color: var(--azul); margin-bottom: 9px; }
.calc-campo .pista { font-weight: 400; color: var(--gris-400); font-size: .82rem; }
.calc input[type=range] { width: 100%; accent-color: var(--naranja); height: 6px; }
.calc-valor { font-size: 1.9rem; font-weight: 900; color: var(--naranja); letter-spacing: -.03em; }
.calc-ops { display: flex; gap: 9px; flex-wrap: wrap; }
.calc-op {
  padding: 10px 17px; border-radius: var(--r-full); border: 1.5px solid var(--gris-200);
  font-size: .88rem; font-weight: 600; transition: all .22s; background: #fff;
}
.calc-op:hover { border-color: var(--naranja); }
.calc-op.on { background: var(--azul); color: #fff; border-color: var(--azul); }
.calc-res { background: var(--gris-50); border-radius: var(--r); padding: 26px; border: 1px solid var(--gris-200); }
.calc-res .rot { font-size: .78rem; font-weight: 800; letter-spacing: .1em; color: var(--gris-400); text-transform: uppercase; }
.calc-res h4 { font-size: 1.3rem; margin-top: 9px; }
.calc-res .sub { font-size: .89rem; color: var(--gris-600); margin-top: 5px; }
.calc-lin { display: flex; justify-content: space-between; padding: 11px 0; border-bottom: 1px solid var(--gris-200); font-size: .91rem; }
.calc-lin:last-of-type { border-bottom: none; }
.calc-lin b { color: var(--azul); }

/* ── Pasos ──────────────────────────────────────────────── */
.rej-pasos { display: grid; grid-template-columns: repeat(auto-fit, minmax(232px, 1fr)); gap: 24px; margin-top: 46px; }
.paso { position: relative; padding: 30px 24px 26px; background: #fff; border-radius: var(--r); border: 1px solid var(--gris-200); transition: transform .35s var(--ease), box-shadow .35s var(--ease); }
.paso:hover { transform: translateY(-6px); box-shadow: var(--sombra); }
.paso-num {
  width: 46px; height: 46px; border-radius: 14px; display: flex; align-items: center; justify-content: center;
  background: linear-gradient(135deg, var(--naranja), var(--naranja-claro)); color: #fff;
  font-weight: 900; font-size: 1.15rem; box-shadow: var(--sombra-naranja); margin-bottom: 16px;
}
.paso h3 { font-size: 1.05rem; }
.paso p { font-size: .89rem; color: var(--gris-600); margin-top: 8px; }

/* ── FAQ ────────────────────────────────────────────────── */
.faq { max-width: 860px; margin: 44px auto 0; }
.faq details {
  background: #fff; border: 1px solid var(--gris-200); border-radius: var(--r);
  margin-bottom: 13px; overflow: hidden; transition: border-color .3s, box-shadow .3s;
}
.faq details[open] { border-color: rgba(244,116,30,.42); box-shadow: var(--sombra-sm); }
.faq summary {
  padding: 20px 24px; font-weight: 700; color: var(--azul); cursor: pointer;
  list-style: none; display: flex; justify-content: space-between; align-items: center; gap: 16px;
  font-size: 1rem;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: "+"; color: var(--naranja); font-size: 1.6rem; font-weight: 400;
  transition: transform .3s var(--ease); line-height: 1; flex-shrink: 0;
}
.faq details[open] summary::after { transform: rotate(45deg); }
.faq-cuerpo { padding: 0 24px 22px; color: var(--gris-600); font-size: .95rem; }

/* ── CTA final ──────────────────────────────────────────── */
.cta-final {
  background: linear-gradient(135deg, var(--azul) 0%, var(--azul-medio) 55%, #1e5c8f 100%);
  color: #fff; text-align: center; padding: 92px 0; position: relative; overflow: hidden;
}
.cta-final::before, .cta-final::after {
  content: ""; position: absolute; border-radius: 50%;
  background: radial-gradient(circle, rgba(244,116,30,.28), transparent 68%);
}
.cta-final::before { width: 460px; height: 460px; top: -180px; right: -110px; }
.cta-final::after { width: 380px; height: 380px; bottom: -170px; left: -90px; background: radial-gradient(circle, rgba(18,160,95,.22), transparent 68%); }
.cta-final .env { position: relative; z-index: 2; }
.cta-final h2 { color: #fff; font-size: clamp(1.9rem, 4vw, 2.8rem); }
.cta-final p { color: rgba(255,255,255,.85); margin: 15px auto 0; max-width: 560px; }
.cta-btns { display: flex; gap: 13px; justify-content: center; margin-top: 32px; flex-wrap: wrap; }

/* ── Pie ────────────────────────────────────────────────── */
.pie { background: var(--tinta); color: rgba(255,255,255,.72); padding: 60px 0 28px; }
.pie-rej { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1.2fr; gap: 36px; }
.pie h4 { color: #fff; font-size: .95rem; margin-bottom: 15px; }
.pie a { display: block; margin-bottom: 10px; font-size: .91rem; transition: color .2s, transform .2s; }
.pie a:hover { color: var(--naranja-claro); transform: translateX(3px); }
.pie p { font-size: .9rem; }
.pie-marca { display: flex; align-items: center; gap: 10px; margin-bottom: 15px; }
.pie-marca img { height: 40px; }
.pie-marca .n { font-weight: 900; font-size: 1.25rem; color: #fff; letter-spacing: .11em; }
.pie-legal {
  border-top: 1px solid rgba(255,255,255,.11); margin-top: 42px; padding-top: 22px;
  font-size: .8rem; opacity: .62; line-height: 1.7;
}

/* ── Flotante WhatsApp ──────────────────────────────────── */
.flotante {
  position: fixed; right: 20px; bottom: 20px; z-index: 190;
  background: #25d366; color: #fff; border-radius: var(--r-full);
  padding: 15px 22px; font-weight: 700; font-size: .95rem;
  display: flex; align-items: center; gap: 10px;
  box-shadow: 0 10px 32px rgba(37,211,102,.42);
  transition: transform .3s var(--ease), box-shadow .3s;
}
.flotante:hover { transform: translateY(-4px) scale(1.03); box-shadow: 0 16px 42px rgba(37,211,102,.55); color: #fff; }
.flotante .ico { font-size: 1.2rem; }

/* ── Tienda: filtros ────────────────────────────────────── */
.filtros {
  display: flex; gap: 14px; flex-wrap: wrap; align-items: center;
  background: #fff; border: 1px solid var(--gris-200); border-radius: var(--r);
  padding: 18px 22px; margin-top: 32px; box-shadow: var(--sombra-sm);
}
.filtro-gr { display: flex; align-items: center; gap: 9px; }
.filtros label { font-size: .84rem; font-weight: 700; color: var(--azul); }
.filtros select {
  padding: 10px 14px; border: 1.5px solid var(--gris-200); border-radius: 10px;
  font-size: .9rem; font-family: inherit; color: var(--gris-900); background: #fff;
  transition: border-color .2s; cursor: pointer;
}
.filtros select:focus { outline: none; border-color: var(--naranja); }
.filtro-cont { margin-left: auto; font-size: .87rem; color: var(--gris-600); font-weight: 600; }

/* ── Formulario ─────────────────────────────────────────── */
.form-caja { background: #fff; border: 1px solid var(--gris-200); border-radius: var(--r-lg); padding: 32px; box-shadow: var(--sombra); }
.campo { margin-bottom: 20px; }
.campo label { display: block; font-weight: 700; font-size: .88rem; color: var(--azul); margin-bottom: 8px; }
.campo input, .campo select, .campo textarea {
  width: 100%; padding: 13px 15px; border: 1.5px solid var(--gris-200); border-radius: 11px;
  font-size: .95rem; font-family: inherit; color: var(--gris-900); background: #fff;
  transition: border-color .2s, box-shadow .2s;
}
.campo input:focus, .campo select:focus, .campo textarea:focus {
  outline: none; border-color: var(--naranja); box-shadow: 0 0 0 3px rgba(244,116,30,.13);
}
.campo textarea { min-height: 112px; resize: vertical; }
.fila2 { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.chk-gr { border: 1.5px solid var(--gris-200); border-radius: var(--r); padding: 20px; }
.chk-gr .tit { font-weight: 700; font-size: .88rem; color: var(--azul); margin-bottom: 12px; display: block; }
.chk-gr label { display: flex; gap: 11px; align-items: flex-start; margin-top: 12px; font-weight: 500; font-size: .92rem; cursor: pointer; color: var(--gris-900); }
.chk-gr input[type=checkbox] { width: auto; margin-top: 3px; accent-color: var(--naranja); flex-shrink: 0; width: 17px; height: 17px; }
.resumen { background: var(--gris-50); border: 1px solid var(--gris-200); border-radius: var(--r); padding: 22px; margin-top: 24px; }
.resumen h3 { font-size: 1rem; }
.resumen ul { margin: 12px 0 0 19px; font-size: .91rem; color: var(--gris-600); }
.resumen li { margin-bottom: 6px; }

/* ── Ficha de producto ──────────────────────────────────── */
.ficha { display: grid; grid-template-columns: 1.05fr .95fr; gap: 46px; align-items: start; }
.ficha-foto { position: relative; border-radius: var(--r-lg); overflow: hidden; box-shadow: var(--sombra); }
.ficha-foto img { width: 100%; aspect-ratio: 16/11; object-fit: cover; }
.ficha h1 { font-size: clamp(1.6rem, 3.2vw, 2.15rem); }
.ficha .precio-gr { font-size: 2.6rem; font-weight: 900; color: var(--azul); letter-spacing: -.035em; margin-top: 18px; }
.ficha .precio-gr small { display: block; font-size: .82rem; font-weight: 500; color: var(--gris-400); letter-spacing: 0; }
.aviso {
  background: #fff8ec; border: 1px solid #f5d9a8; color: #7a5200;
  border-radius: 11px; padding: 13px 16px; font-size: .88rem; margin-top: 18px;
}
.tabla { width: 100%; border-collapse: collapse; margin-top: 22px; }
.tabla td { padding: 12px 14px; border-bottom: 1px solid var(--gris-200); font-size: .93rem; }
.tabla td:first-child { font-weight: 700; color: var(--azul); width: 46%; }
.tabla tr:last-child td { border-bottom: none; }
.lista-ideal { margin: 15px 0 0 19px; }
.lista-ideal li { margin-bottom: 8px; font-size: .95rem; }
.nota-tec { background: var(--verde-claro); border-left: 4px solid var(--verde); border-radius: 12px; padding: 20px 22px; margin-top: 26px; }
.nota-tec h3 { color: var(--verde); font-size: .98rem; }
.nota-tec p { font-size: .92rem; margin-top: 9px; color: var(--gris-900); }
.serv-add { border: 1px solid var(--gris-200); border-radius: var(--r); padding: 22px; margin-top: 24px; }
.serv-add h3 { font-size: 1.02rem; margin-bottom: 4px; }
.serv-add label { display: flex; gap: 11px; align-items: flex-start; margin-top: 14px; font-size: .92rem; cursor: pointer; }
.serv-add input { margin-top: 3px; accent-color: var(--naranja); width: 17px; height: 17px; flex-shrink: 0; }
.serv-add small { display: block; color: var(--gris-400); font-size: .82rem; }
.ficha-btns { display: flex; gap: 11px; margin-top: 24px; flex-wrap: wrap; }

/* ── Responsivo ─────────────────────────────────────────── */
@media (max-width: 980px) {
  .ficha { grid-template-columns: 1fr; gap: 30px; }
  .calc-rej { grid-template-columns: 1fr; gap: 24px; }
  .pie-rej { grid-template-columns: 1fr 1fr; gap: 30px; }
}

@media (max-width: 860px) {
  .hamb { display: flex; }
  .menu {
    position: fixed; top: 0; right: 0; bottom: 0; width: min(84vw, 330px);
    background: #fff; flex-direction: column; gap: 0; margin: 0;
    padding: 88px 22px 28px; box-shadow: -14px 0 44px rgba(15,26,38,.20);
    transform: translateX(100%); transition: transform .38s var(--ease);
    z-index: 210; overflow-y: auto;
  }
  .menu.abierto { transform: translateX(0); }
  .menu > a { color: var(--gris-900) !important; text-shadow: none !important; padding: 14px 12px; border-bottom: 1px solid var(--gris-100); border-radius: 0; }
  .cab.suelto .menu > a:hover, .cab.pegado .menu > a:hover { background: var(--gris-50); }
  .velo-menu {
    position: fixed; inset: 0; background: rgba(8,20,34,.55); z-index: 205;
    opacity: 0; pointer-events: none; transition: opacity .35s; backdrop-filter: blur(3px);
  }
  .velo-menu.on { opacity: 1; pointer-events: auto; }
  .cab-acc .btn { display: none; }
  .hero-txt { padding: 116px 0 88px; }
  .hero-datos { gap: 26px; margin-top: 38px; }
  .dato .num { font-size: 1.72rem; }
  .sec { padding: 66px 0; }
  .franja-txt { padding: 78px 0; }
  .calc { padding: 24px; }
  .form-caja { padding: 24px; }
  .fila2 { grid-template-columns: 1fr; gap: 0; }
  .flotante .txt { display: none; }
  .flotante { padding: 15px 17px; }
}

@media (max-width: 560px) {
  .env { padding: 0 18px; }
  .marca img { height: 38px; }
  .marca-nom { font-size: 1.18rem; }
  .marca-sub { font-size: .68rem; }
  .hero-btns .btn { flex: 1 1 100%; }
  .hero-datos { gap: 20px 30px; }
  .pie-rej { grid-template-columns: 1fr; }
  .kit-btns { grid-template-columns: 1fr; }
  .cinta-fila { gap: 10px 22px; }
  .cinta-item { font-size: .83rem; }
}

/* ═══════════════════════════════════════════════════════════
   CAMPAÑA — Democratizamos la energía solar
   ═══════════════════════════════════════════════════════════ */

.campana {
  position: relative; overflow: hidden;
  background: #071626; color: #fff;
  min-height: 780px; display: flex; align-items: center;
}
.campana-video {
  position: absolute; inset: 0; width: 100%; height: 100%;
  object-fit: cover; z-index: 0;
}
/* Velo suave: el video es el protagonista, solo se apoya la lectura del texto */
.campana-velo {
  position: absolute; inset: 0; z-index: 1;
  background:
    linear-gradient(100deg, rgba(7,22,38,.88) 0%, rgba(7,22,38,.66) 32%, rgba(7,22,38,.22) 60%, rgba(7,22,38,.04) 100%),
    linear-gradient(0deg, rgba(7,22,38,.60) 0%, transparent 44%);
}
/* Marco luminoso que enmarca el video y lo separa del resto de la página */
.campana::before, .campana::after {
  content: ""; position: absolute; left: 0; right: 0; height: 3px; z-index: 3;
  background: linear-gradient(90deg, transparent, var(--naranja) 22%, var(--naranja-claro) 50%, var(--naranja) 78%, transparent);
}
.campana::before { top: 0; }
.campana::after  { bottom: 0; }

/* Aviso de que hay video corriendo */
.campana-vivo {
  position: absolute; top: 22px; right: 24px; z-index: 3;
  display: inline-flex; align-items: center; gap: 8px;
  background: rgba(7,22,38,.55); border: 1px solid rgba(255,255,255,.24);
  color: #fff; padding: 7px 14px; border-radius: var(--r-full);
  font-size: .74rem; font-weight: 700; letter-spacing: .1em; text-transform: uppercase;
  backdrop-filter: blur(10px);
}
.campana-vivo .luz-viva {
  width: 8px; height: 8px; border-radius: 50%; background: #ff4d4d;
  box-shadow: 0 0 10px #ff4d4d; animation: latir 1.4s ease-in-out infinite;
}
@media (max-width: 700px) { .campana-vivo { display: none; } }
.campana .env { position: relative; z-index: 2; }
.campana-rej {
  display: grid; grid-template-columns: 1.08fr .92fr;
  gap: 46px; align-items: center; padding: 76px 0;
}

/* Etiqueta de urgencia */
.urgencia {
  display: inline-flex; align-items: center; gap: 10px;
  background: linear-gradient(135deg, #e11d48, #f43f5e);
  color: #fff; padding: 9px 20px; border-radius: var(--r-full);
  font-size: .82rem; font-weight: 800; letter-spacing: .07em; text-transform: uppercase;
  box-shadow: 0 8px 26px rgba(225,29,72,.42);
}
.urgencia .punto {
  width: 9px; height: 9px; border-radius: 50%; background: #fff;
  animation: latir 1.5s ease-in-out infinite;
}
@keyframes latir { 0%,100% { opacity: 1; transform: scale(1); } 50% { opacity: .45; transform: scale(.72); } }

.campana h2 {
  color: #fff; font-size: clamp(2.1rem, 4.6vw, 3.35rem);
  font-weight: 900; letter-spacing: -.035em; margin-top: 20px;
  text-shadow: 0 3px 16px rgba(0,0,0,.85), 0 6px 40px rgba(0,0,0,.6);
}
.campana h2 .luz {
  background: linear-gradient(115deg, #ffb547, #ffe1a8 55%, #ffb547);
  -webkit-background-clip: text; background-clip: text; color: transparent;
  filter: drop-shadow(0 2px 6px rgba(0,0,0,.95)) drop-shadow(0 5px 22px rgba(0,0,0,.8));
}
.campana-baja {
  font-size: clamp(1rem, 1.85vw, 1.14rem); margin-top: 18px;
  color: rgba(255,255,255,.95); max-width: 560px;
  text-shadow: 0 2px 12px rgba(0,0,0,.85);
}
.campana .urgencia { box-shadow: 0 8px 26px rgba(225,29,72,.5), 0 2px 20px rgba(0,0,0,.5); }

/* Puntos incluidos */
.campana-incluye { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 26px; }
.campana-incluye span {
  display: inline-flex; align-items: center; gap: 8px;
  background: rgba(7,22,38,.55); border: 1px solid rgba(255,255,255,.22);
  padding: 9px 15px; border-radius: var(--r-full);
  font-size: .87rem; font-weight: 600; backdrop-filter: blur(12px);
  box-shadow: 0 3px 14px rgba(0,0,0,.3);
}
.campana-incluye .tic { color: #6fe3a8; }

/* Tarjeta de precio */
.oferta {
  background: rgba(9,26,44,.72); border: 1px solid rgba(255,255,255,.24);
  border-radius: var(--r-lg); padding: 32px 30px; backdrop-filter: blur(22px) saturate(1.3);
  box-shadow: 0 30px 80px rgba(0,0,0,.55);
}
.oferta-rot {
  font-size: .78rem; font-weight: 800; letter-spacing: .13em;
  text-transform: uppercase; color: var(--naranja-claro);
}
.oferta h3 { color: #fff; font-size: 1.42rem; margin-top: 9px; }
.oferta-precio { margin: 20px 0 6px; display: flex; align-items: baseline; gap: 11px; flex-wrap: wrap; }
.oferta-precio .cifra {
  font-size: clamp(2.6rem, 5.6vw, 3.5rem); font-weight: 900;
  color: #fff; letter-spacing: -.04em; line-height: 1;
}
.oferta-precio .llave {
  background: var(--verde); color: #fff; padding: 5px 13px;
  border-radius: var(--r-full); font-size: .78rem; font-weight: 800;
  letter-spacing: .04em; white-space: nowrap;
}
.oferta-sub { font-size: .88rem; color: rgba(255,255,255,.72); }

/* Barra de stock */
.stock { margin-top: 24px; }
.stock-fila { display: flex; justify-content: space-between; font-size: .84rem; font-weight: 700; margin-bottom: 8px; }
.stock-fila .queda { color: var(--naranja-claro); }
.stock-barra { height: 9px; border-radius: var(--r-full); background: rgba(255,255,255,.16); overflow: hidden; }
.stock-relleno {
  height: 100%; border-radius: var(--r-full); width: 0;
  background: linear-gradient(90deg, var(--naranja), var(--naranja-claro));
  transition: width 1.6s var(--ease); box-shadow: 0 0 16px rgba(255,167,38,.6);
}

.oferta-btns { display: flex; flex-direction: column; gap: 11px; margin-top: 24px; }
.oferta-btns .btn { width: 100%; }

.pagos { display: flex; align-items: center; gap: 9px; margin-top: 18px; flex-wrap: wrap; justify-content: center; }
.pagos span {
  font-size: .76rem; color: rgba(255,255,255,.72);
  background: rgba(255,255,255,.08); padding: 6px 12px; border-radius: 8px;
  border: 1px solid rgba(255,255,255,.13);
}

/* Letra chica */
.chica {
  margin-top: 22px; font-size: .76rem; line-height: 1.65;
  color: rgba(255,255,255,.78); max-width: 620px;
  border-top: 1px solid rgba(255,255,255,.18); padding-top: 16px;
  text-shadow: 0 1px 10px rgba(0,0,0,.9);
}
.chica b { color: rgba(255,255,255,.82); font-weight: 700; }

@media (max-width: 980px) {
  .campana-rej { grid-template-columns: 1fr; gap: 32px; padding: 62px 0; }
  .campana { min-height: 0; }
  .oferta { padding: 26px 22px; }
}