/* ============================================================
   evehicle.wa-ya.cn — Suzhou Likaiside Electric Vehicle Co., Ltd
   Estilo global · Responsive · 2026
   ============================================================ */
:root {
  --azul-noche: #0b1f33;
  --azul-medio: #123a5c;
  --verde: #16b877;
  --verde-osc: #0e8f5b;
  --gris-fondo: #f5f7fa;
  --gris-texto: #4a5568;
  --gris-borde: #e2e8f0;
  --blanco: #ffffff;
  --sombra: 0 10px 30px rgba(11, 31, 51, .10);
  --radio: 12px;
  --max: 1180px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: "Segoe UI", "Helvetica Neue", Arial, "Noto Sans", sans-serif;
  color: var(--gris-texto);
  background: var(--blanco);
  line-height: 1.7;
  font-size: 16px;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--verde-osc); text-decoration: none; }
a:hover { text-decoration: underline; }
h1, h2, h3, h4 { color: var(--azul-noche); line-height: 1.25; font-weight: 700; }
h1 { font-size: 2.2rem; }
h2 { font-size: 1.9rem; }
h3 { font-size: 1.25rem; }
ul { list-style: none; }

.contenedor { max-width: var(--max); margin: 0 auto; padding: 0 20px; }
.seccion { padding: 70px 0; }
.seccion--gris { background: var(--gris-fondo); }
.centrado { text-align: center; }

.etiqueta {
  display: inline-block; background: rgba(22, 184, 119, .12); color: var(--verde-osc);
  font-weight: 700; font-size: .8rem; letter-spacing: .12em; text-transform: uppercase;
  padding: 6px 14px; border-radius: 999px; margin-bottom: 14px;
}
.titulo-seccion { margin-bottom: 10px; }
.subtitulo-seccion { max-width: 760px; margin: 0 auto 40px; }

/* ---------- Botones / CTA ---------- */
.btn {
  display: inline-block; padding: 13px 30px; border-radius: 8px; font-weight: 700;
  font-size: 1rem; cursor: pointer; border: 2px solid transparent; transition: all .25s ease;
}
.btn--primario { background: var(--verde); color: #fff; }
.btn--primario:hover { background: var(--verde-osc); text-decoration: none; transform: translateY(-2px); box-shadow: 0 8px 20px rgba(22,184,119,.35); }
.btn--borde { border-color: #fff; color: #fff; }
.btn--borde:hover { background: #fff; color: var(--azul-noche); text-decoration: none; }
.btn--azul { background: var(--azul-medio); color: #fff; }
.btn--azul:hover { background: var(--azul-noche); text-decoration: none; }

.cta-banda {
  background: linear-gradient(120deg, var(--azul-noche) 0%, var(--azul-medio) 60%, #14532d 100%);
  color: #fff; padding: 60px 0; text-align: center;
}
.cta-banda h2 { color: #fff; margin-bottom: 12px; }
.cta-banda p { max-width: 640px; margin: 0 auto 26px; opacity: .9; }
.cta-banda .btn { margin: 0 8px; }

/* ---------- Cabecera ---------- */
.cabecera {
  position: sticky; top: 0; z-index: 100; background: rgba(255,255,255,.97);
  box-shadow: 0 2px 12px rgba(11,31,51,.08); backdrop-filter: blur(6px);
}
.cabecera__inner { display: flex; align-items: center; justify-content: space-between; height: 74px; }
.logo { display: flex; align-items: center; gap: 12px; }
.logo img { width: 46px; height: 46px; border-radius: 8px; object-fit: cover; }
.logo span { font-weight: 800; font-size: 1.15rem; color: var(--azul-noche); }
.logo small { display: block; font-size: .68rem; font-weight: 600; color: var(--gris-texto); letter-spacing: .04em; }

.nav { display: flex; gap: 6px; align-items: center; }
.nav a {
  padding: 9px 14px; border-radius: 6px; color: var(--azul-noche); font-weight: 600; font-size: .95rem;
}
.nav a:hover, .nav a.activo { background: rgba(22,184,119,.1); color: var(--verde-osc); text-decoration: none; }
.nav .nav-cta { background: var(--verde); color: #fff; margin-left: 8px; }
.nav .nav-cta:hover { background: var(--verde-osc); color: #fff; }

.btn-menu { display: none; background: none; border: none; cursor: pointer; padding: 8px; }
.btn-menu span { display: block; width: 26px; height: 3px; background: var(--azul-noche); margin: 5px 0; border-radius: 2px; transition: .3s; }

/* ---------- Héroe ---------- */
.heroe {
  position: relative; min-height: 540px; display: flex; align-items: center;
  background: url('/img/banner.jpg') center/cover no-repeat var(--azul-noche);
}
.heroe::before {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(100deg, rgba(11,31,51,.88) 0%, rgba(11,31,51,.62) 45%, rgba(11,31,51,.25) 100%);
}
.heroe__contenido { position: relative; color: #fff; max-width: 640px; padding: 60px 20px; }
.heroe__contenido h1 { color: #fff; font-size: 2.7rem; margin-bottom: 18px; }
.heroe__contenido p { font-size: 1.12rem; margin-bottom: 30px; opacity: .92; }

.pagina-cab {
  background: linear-gradient(110deg, var(--azul-noche), var(--azul-medio));
  color: #fff; padding: 64px 0 56px; text-align: center;
}
.pagina-cab h1 { color: #fff; margin-bottom: 10px; }
.pagina-cab p { opacity: .88; max-width: 680px; margin: 0 auto; }
.migas { font-size: .85rem; padding: 14px 0 0; }
.migas, .migas a { color: rgba(255,255,255,.75); }
.migas a:hover { color: #fff; }
.migas--pagina { background: var(--gris-fondo); padding: 12px 0; }
.migas--pagina, .migas--pagina a { color: var(--gris-texto); font-size: .85rem; }

/* ---------- Tarjetas ---------- */
.rejilla { display: grid; gap: 26px; }
.rejilla--2 { grid-template-columns: repeat(2, 1fr); }
.rejilla--3 { grid-template-columns: repeat(3, 1fr); }
.rejilla--4 { grid-template-columns: repeat(4, 1fr); }

.tarjeta {
  background: #fff; border-radius: var(--radio); overflow: hidden; box-shadow: var(--sombra);
  transition: transform .25s ease, box-shadow .25s ease; display: flex; flex-direction: column;
}
.tarjeta:hover { transform: translateY(-6px); box-shadow: 0 18px 40px rgba(11,31,51,.16); }
.tarjeta__img { aspect-ratio: 4 / 3; width: 100%; object-fit: cover; background: var(--gris-fondo); }
.tarjeta__cuerpo { padding: 22px; flex: 1; display: flex; flex-direction: column; }
.tarjeta__cuerpo h3 { margin-bottom: 8px; font-size: 1.1rem; }
.tarjeta__cuerpo p { font-size: .92rem; flex: 1; }
.tarjeta__enlace { margin-top: 14px; font-weight: 700; color: var(--verde-osc); }
.tarjeta--info { padding: 30px 26px; }
.tarjeta--info .icono {
  width: 54px; height: 54px; border-radius: 12px; background: rgba(22,184,119,.12);
  display: flex; align-items: center; justify-content: center; font-size: 1.6rem; margin-bottom: 16px;
}

/* ---------- Sobre / texto+imagen ---------- */
.dos-col { display: grid; grid-template-columns: 1fr 1fr; gap: 50px; align-items: center; }
.dos-col img { border-radius: var(--radio); box-shadow: var(--sombra); }
.lista-check li { padding-left: 32px; position: relative; margin-bottom: 12px; }
.lista-check li::before {
  content: "✓"; position: absolute; left: 0; top: 0; width: 22px; height: 22px;
  background: var(--verde); color: #fff; border-radius: 50%; font-size: .8rem;
  display: flex; align-items: center; justify-content: center; font-weight: 700;
}

/* ---------- Cifras ---------- */
.cifras { background: var(--azul-noche); color: #fff; padding: 55px 0; }
.cifras .rejilla--4 { gap: 20px; }
.cifra { text-align: center; }
.cifra b { display: block; font-size: 2.4rem; color: var(--verde); font-weight: 800; }
.cifra span { font-size: .95rem; opacity: .85; }

/* ---------- FAQ ---------- */
.faq-item {
  background: #fff; border: 1px solid var(--gris-borde); border-radius: 10px;
  margin-bottom: 14px; overflow: hidden;
}
.faq-item summary {
  cursor: pointer; padding: 18px 22px; font-weight: 700; color: var(--azul-noche);
  list-style: none; position: relative; padding-right: 46px; font-size: 1.02rem;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: "+"; position: absolute; right: 20px; top: 50%; transform: translateY(-50%);
  font-size: 1.4rem; color: var(--verde); font-weight: 700; transition: transform .25s;
}
.faq-item[open] summary::after { transform: translateY(-50%) rotate(45deg); }
.faq-item .faq-resp { padding: 0 22px 20px; }

/* ---------- Tabla / especificaciones ---------- */
.tabla-espec { width: 100%; border-collapse: collapse; background: #fff; border-radius: var(--radio); overflow: hidden; box-shadow: var(--sombra); }
.tabla-espec th, .tabla-espec td { padding: 13px 18px; text-align: left; border-bottom: 1px solid var(--gris-borde); font-size: .95rem; }
.tabla-espec th { background: var(--azul-noche); color: #fff; width: 38%; font-weight: 600; }
.tabla-espec tr:last-child td { border-bottom: none; }

/* ---------- Producto detalle ---------- */
.producto-cab { display: grid; grid-template-columns: 1.15fr 1fr; gap: 46px; align-items: center; }
.producto-cab img { border-radius: var(--radio); box-shadow: var(--sombra); width: 100%; }
.producto-cab h1 { margin: 8px 0 14px; }
.badge-cat { display: inline-block; background: rgba(22,184,119,.12); color: var(--verde-osc); font-size: .8rem; font-weight: 700; text-transform: uppercase; letter-spacing: .1em; padding: 5px 13px; border-radius: 999px; }
.producto-cab .precio-nota { margin: 18px 0 24px; padding: 14px 18px; background: var(--gris-fondo); border-left: 4px solid var(--verde); border-radius: 6px; font-size: .95rem; }

/* ---------- Formulario ---------- */
.formulario { background: #fff; padding: 36px; border-radius: var(--radio); box-shadow: var(--sombra); max-width: 760px; margin: 0 auto; }
.campo { margin-bottom: 20px; }
.campo label { display: block; font-weight: 600; color: var(--azul-noche); margin-bottom: 6px; font-size: .95rem; }
.campo .obligatorio { color: #e53e3e; }
.campo input, .campo select, .campo textarea {
  width: 100%; padding: 12px 14px; border: 1.5px solid var(--gris-borde); border-radius: 8px;
  font-size: 1rem; font-family: inherit; color: var(--azul-noche); background: var(--gris-fondo);
  transition: border-color .2s;
}
.campo input:focus, .campo select:focus, .campo textarea:focus { outline: none; border-color: var(--verde); background: #fff; }
.campo textarea { min-height: 140px; resize: vertical; }
.campo-doble { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.formulario .btn { width: 100%; font-size: 1.05rem; }
.aviso-form { display: none; margin-top: 18px; padding: 16px 20px; border-radius: 8px; font-weight: 600; }
.aviso-form--ok { display: block; background: rgba(22,184,119,.12); color: var(--verde-osc); border: 1.5px solid var(--verde); }
.aviso-form--error { display: block; background: rgba(229,62,62,.1); color: #c53030; border: 1.5px solid #e53e3e; }

/* ---------- Contacto info ---------- */
.tarjeta-contacto { display: flex; gap: 16px; align-items: flex-start; }
.tarjeta-contacto .icono {
  flex-shrink: 0; width: 48px; height: 48px; border-radius: 10px; background: rgba(22,184,119,.12);
  display: flex; align-items: center; justify-content: center; font-size: 1.3rem;
}

/* ---------- Pie ---------- */
.pie { background: var(--azul-noche); color: rgba(255,255,255,.75); padding: 60px 0 0; }
.pie__rejilla { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1.2fr; gap: 40px; padding-bottom: 44px; }
.pie h4 { color: #fff; margin-bottom: 16px; font-size: 1.02rem; }
.pie a { color: rgba(255,255,255,.75); }
.pie a:hover { color: var(--verde); }
.pie li { margin-bottom: 9px; font-size: .93rem; }
.pie__logo { display: flex; align-items: center; gap: 12px; margin-bottom: 16px; }
.pie__logo img { width: 44px; height: 44px; border-radius: 8px; }
.pie__logo b { color: #fff; font-size: 1.05rem; }
.pie__base { border-top: 1px solid rgba(255,255,255,.12); padding: 20px 0; text-align: center; font-size: .85rem; }

/* ---------- Responsive ---------- */
@media (max-width: 980px) {
  .rejilla--4 { grid-template-columns: repeat(2, 1fr); }
  .rejilla--3 { grid-template-columns: repeat(2, 1fr); }
  .dos-col { grid-template-columns: 1fr; gap: 34px; }
  .producto-cab { grid-template-columns: 1fr; gap: 30px; }
  .pie__rejilla { grid-template-columns: 1fr 1fr; }
  .heroe__contenido h1 { font-size: 2.1rem; }
}
@media (max-width: 720px) {
  .btn-menu { display: block; }
  .nav {
    display: none; position: absolute; top: 74px; left: 0; right: 0; background: #fff;
    flex-direction: column; align-items: stretch; padding: 14px 20px 20px; gap: 4px;
    box-shadow: 0 14px 24px rgba(11,31,51,.12);
  }
  .nav.abierto { display: flex; }
  .nav a { padding: 13px 10px; border-bottom: 1px solid var(--gris-borde); }
  .nav .nav-cta { margin: 10px 0 0; text-align: center; }
  .rejilla--2, .rejilla--3, .rejilla--4 { grid-template-columns: 1fr; }
  .campo-doble { grid-template-columns: 1fr; }
  h1 { font-size: 1.7rem; }
  .heroe { min-height: 460px; }
  .heroe__contenido h1 { font-size: 1.85rem; }
  .pie__rejilla { grid-template-columns: 1fr; gap: 28px; }
  .seccion { padding: 50px 0; }
  .formulario { padding: 24px 18px; }
}