/* ==========================================================================
   Importadora Rovil — landing pública
   Estética industrial / logística: papel claro, azul contenedor, naranja de cinta.
   Tipografías: Barlow Condensed (títulos) + Barlow (texto).
   ========================================================================== */

:root {
  /* Marca */
  --marino: #0f2a44;            /* contenedor: fondos oscuros, texto fuerte */
  --marino-2: #173b5e;
  --naranja: #f08a00;           /* fondo de botones: siempre con texto oscuro encima */
  --naranja-claro: #ffb547;
  --naranja-texto: #a65200;     /* naranja legible sobre fondo claro */
  --masking: #e6cd95;
  --sobre-naranja: #1a1206;

  /* Base */
  --papel: #f6f3ec;
  --blanco: #ffffff;
  --tinta: #14202c;
  --tinta-suave: #4a5866;
  --linea: #ddd6c6;
  --linea-fuerte: #c7bea9;
  --whatsapp: #12803f;
  --whatsapp-hover: #0d6a33;
  --error: #b42318;

  /* Sistema */
  --radio-sm: 6px;
  --radio: 10px;
  --sombra: 0 18px 40px -22px rgba(15, 42, 68, 0.45);
  --font-titulos: 'Barlow Condensed', 'Arial Narrow', system-ui, sans-serif;
  --font-texto: 'Barlow', 'Segoe UI', system-ui, sans-serif;
  --ease: cubic-bezier(0.22, 0.61, 0.36, 1);
  --header-h: 72px;
}

/* ---------- Base ---------- */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; padding: 0; }
html { scroll-behavior: smooth; scroll-padding-top: calc(var(--header-h) + 10px); }
body {
  font-family: var(--font-texto); font-size: 1.0625rem; line-height: 1.6;
  color: var(--tinta); background: var(--papel);
  overflow-x: hidden; -webkit-font-smoothing: antialiased;
}
img, svg { display: block; max-width: 100%; }
a { color: inherit; }
ul, ol { list-style: none; }
h1, h2, h3 { font-family: var(--font-titulos); font-weight: 700; line-height: 1.02; text-transform: uppercase; letter-spacing: 0.01em; }
button, input, select, textarea { font: inherit; color: inherit; }
:focus-visible { outline: 3px solid var(--naranja); outline-offset: 2px; }
[hidden] { display: none !important; }

.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}
.skip-link {
  position: absolute; left: 16px; top: -60px; z-index: 300;
  background: var(--naranja); color: var(--sobre-naranja); padding: 10px 18px; border-radius: var(--radio-sm); font-weight: 600;
  transition: top 0.2s;
}
.skip-link:focus { top: 12px; }

.container { width: 100%; max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.icon { width: 20px; height: 20px; flex-shrink: 0; }

/* ---------- Secciones ---------- */
.section { padding: 100px 0; }
.section-head { max-width: 760px; margin-bottom: 48px; }
.eyebrow {
  display: inline-flex; align-items: center; gap: 10px; margin-bottom: 12px;
  font-family: var(--font-titulos); font-size: 1rem; font-weight: 700; letter-spacing: 0.18em; text-transform: uppercase;
  color: var(--naranja-texto);
}
.eyebrow::before { content: ""; width: 28px; height: 10px; background: var(--naranja); clip-path: polygon(0 0, 100% 0, 88% 100%, 0 100%); }
.eyebrow-claro { color: var(--naranja-claro); }
.section-title { font-size: clamp(2.3rem, 4.6vw, 3.6rem); margin-bottom: 14px; }
.section-sub { color: var(--tinta-suave); font-size: 1.1rem; }

/* ---------- Botones ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  min-height: 48px; padding: 0 24px; border-radius: var(--radio-sm); border: 2px solid transparent;
  font-family: var(--font-titulos); font-size: 1.15rem; font-weight: 700; letter-spacing: 0.06em; text-transform: uppercase;
  text-decoration: none; cursor: pointer; white-space: nowrap;
  transition: background-color 0.25s, color 0.25s, border-color 0.25s, transform 0.25s var(--ease);
}
.btn:hover { transform: translateY(-2px); }
.btn-lg { min-height: 56px; padding: 0 30px; font-size: 1.25rem; }
.btn-sm { min-height: 40px; padding: 0 16px; font-size: 1rem; }
.btn-primario { background: var(--naranja); color: var(--sobre-naranja); }
.btn-primario:hover { background: var(--naranja-claro); }
.btn-contorno { border-color: var(--marino); color: var(--marino); }
.btn-contorno:hover { background: var(--marino); color: #fff; }
.btn-whatsapp { background: var(--whatsapp); color: #fff; }
.btn-whatsapp:hover { background: var(--whatsapp-hover); }

/* ---------- Barra superior y cabecera ---------- */
.topbar { background: var(--marino); color: #d7e2ee; font-size: 0.9rem; }
.topbar-inner { display: flex; justify-content: space-between; gap: 16px; padding-top: 8px; padding-bottom: 8px; }
.topbar strong { color: var(--naranja-claro); font-weight: 600; }

.site-header {
  position: sticky; top: 0; z-index: 100; background: rgba(246, 243, 236, 0.94);
  backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--linea); transition: box-shadow 0.3s;
}
.site-header.con-sombra { box-shadow: 0 10px 30px -18px rgba(15, 42, 68, 0.5); }
.header-inner { display: flex; align-items: center; justify-content: space-between; height: var(--header-h); }

.logo { display: inline-flex; align-items: center; gap: 12px; text-decoration: none; color: var(--marino); }
.logo-marca {
  width: 36px; height: 36px; border-radius: 50%; flex-shrink: 0;
  background: radial-gradient(circle, var(--papel) 0 30%, #a8783f 31% 39%, var(--naranja) 40%);
}
.logo-texto { display: flex; flex-direction: column; font-family: var(--font-titulos); font-size: 2rem; font-weight: 800; line-height: 0.82; text-transform: uppercase; letter-spacing: 0.04em; }
.logo-texto small { font-family: var(--font-texto); font-size: 0.66rem; font-weight: 600; letter-spacing: 0.34em; color: var(--naranja-texto); margin-top: 4px; }
.logo-claro { color: #fff; }
.logo-claro .logo-marca { background: radial-gradient(circle, var(--marino) 0 30%, #a8783f 31% 39%, var(--naranja) 40%); }
.logo-claro .logo-texto small { color: var(--naranja-claro); }

.main-nav { display: flex; align-items: center; gap: 28px; }
.main-nav > a:not(.btn) { font-weight: 500; text-decoration: none; color: var(--tinta-suave); transition: color 0.2s; position: relative; }
.main-nav > a:not(.btn):hover { color: var(--marino); }
.main-nav > a:not(.btn)::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: -6px; height: 3px; background: var(--naranja);
  transform: scaleX(0); transform-origin: left; transition: transform 0.25s var(--ease);
}
.main-nav > a:not(.btn):hover::after { transform: scaleX(1); }
.nav-login { padding-left: 24px; border-left: 1px solid var(--linea-fuerte); }

.nav-toggle { display: none; flex-direction: column; justify-content: center; gap: 6px; width: 44px; height: 44px; padding: 10px; background: none; border: 0; cursor: pointer; }
.nav-toggle span { display: block; height: 2.5px; background: var(--marino); border-radius: 2px; transition: transform 0.3s var(--ease), opacity 0.2s; }
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(8.5px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-8.5px) rotate(-45deg); }

/* ---------- Hero ---------- */
.hero { position: relative; overflow: hidden; padding: 70px 0 0; }
.hero::before {
  content: ""; position: absolute; inset: 0; z-index: -1; opacity: 0.5;
  background-image: linear-gradient(var(--linea) 1px, transparent 1px), linear-gradient(90deg, var(--linea) 1px, transparent 1px);
  background-size: 48px 48px;
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 60%); mask-image: linear-gradient(90deg, transparent, #000 60%);
}
.hero-inner { display: grid; grid-template-columns: 1fr 1.05fr; gap: 50px; align-items: center; padding-bottom: 60px; }
.sello {
  display: inline-block; margin-bottom: 22px; padding: 6px 14px;
  border: 2px solid var(--marino); color: var(--marino);
  font-family: var(--font-titulos); font-size: 1rem; font-weight: 700; letter-spacing: 0.22em; text-transform: uppercase;
  transform: rotate(-2deg);
}
.hero h1 { font-size: clamp(3.2rem, 7vw, 6rem); line-height: 0.9; color: var(--marino); margin-bottom: 24px; }
.hero h1 span { display: block; color: var(--naranja-texto); }
.lead { font-size: 1.2rem; color: var(--tinta-suave); max-width: 540px; margin-bottom: 34px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; }

.hero-visual { position: relative; }
.contenedores { width: 100%; max-width: 600px; margin-left: auto; }
.cont-texto { font-family: var(--font-titulos); font-size: 54px; font-weight: 800; letter-spacing: 0.12em; fill: #fff; opacity: 0.9; }
.cont-texto-sm { font-size: 40px; opacity: 0.75; }
.js .cont { opacity: 0; transform: translateY(-40px); animation: bajar 0.7s var(--ease) forwards; }
.js .c-1 { animation-delay: 0.05s; } .js .c-2 { animation-delay: 0.15s; } .js .c-3 { animation-delay: 0.3s; }
.js .c-4 { animation-delay: 0.4s; } .js .c-5 { animation-delay: 0.55s; }
@keyframes bajar { to { opacity: 1; transform: none; } }

.hero-datos {
  display: grid; grid-template-columns: repeat(4, 1fr);
  background: var(--marino); color: #fff; border-radius: var(--radio) var(--radio) 0 0; padding: 0;
}
.hero-datos li { padding: 24px 28px; border-left: 1px solid rgba(255, 255, 255, 0.12); }
.hero-datos li:first-child { border-left: 0; }
.hero-datos strong { display: block; font-family: var(--font-titulos); font-size: 1.7rem; line-height: 1; text-transform: uppercase; color: var(--naranja-claro); }
.hero-datos span { font-size: 0.95rem; color: #c9d6e3; }

/* ---------- Clientes ---------- */
.clientes { background: var(--blanco); }
.clientes-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.cliente { padding: 28px 24px; border: 1px solid var(--linea); border-radius: var(--radio); background: var(--papel); }
.cliente-icono { display: grid; place-items: center; width: 52px; height: 52px; margin-bottom: 18px; border-radius: var(--radio-sm); background: var(--marino); color: var(--naranja-claro); }
.cliente-icono svg { width: 28px; height: 28px; fill: currentColor; }
.cliente h3 { font-size: 1.5rem; color: var(--marino); margin-bottom: 6px; }
.cliente p { color: var(--tinta-suave); font-size: 1rem; }

/* ---------- Pedidos ---------- */
.pedido-inner { display: grid; grid-template-columns: 1fr 1fr; gap: 70px; align-items: center; }
.pedido h2 span { display: block; color: var(--naranja-texto); }
.pedido-pasos { display: grid; gap: 14px; margin: 30px 0 34px; counter-reset: paso; }
.pedido-pasos li { display: flex; align-items: center; gap: 14px; font-weight: 600; color: var(--marino); }
.pedido-pasos span {
  display: grid; place-items: center; width: 38px; height: 38px; flex-shrink: 0; border-radius: 50%;
  background: var(--marino); color: var(--naranja-claro); font-family: var(--font-titulos); font-size: 1.2rem; font-weight: 800;
}

/* Hoja de pedido sobre la mesa de trabajo, sujeta con dos tiras de masking */
.pedido-visual {
  position: relative; display: grid; place-items: center; padding: 70px 40px;
  border-radius: var(--radio); overflow: hidden;
  background:
    radial-gradient(60% 70% at 50% 40%, rgba(255, 255, 255, 0.08), transparent 70%),
    repeating-linear-gradient(90deg, rgba(255, 255, 255, 0.03) 0 2px, transparent 2px 9px),
    var(--marino);
}
.nota {
  position: relative; width: 100%; max-width: 400px; padding: 34px 30px 30px;
  background: #fffdf7; border-radius: 2px; transform: rotate(-2.5deg);
  box-shadow: 0 2px 0 #e9e2d0, 0 30px 50px -20px rgba(0, 0, 0, 0.6);
}
.tira {
  position: absolute; top: -16px; width: 120px; height: 36px; opacity: 0.93;
  background:
    repeating-linear-gradient(90deg, rgba(0, 0, 0, 0.04) 0 1px, transparent 1px 5px),
    linear-gradient(180deg, #f0deb0, var(--masking) 60%, #d8bc80);
  /* extremos cortados a mano */
  clip-path: polygon(3% 0, 97% 4%, 100% 22%, 96% 40%, 100% 62%, 97% 82%, 99% 100%, 2% 96%, 0 78%, 4% 58%, 0 38%, 3% 18%);
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.15);
}
.tira-izq { left: -26px; transform: rotate(-32deg); }
.tira-der { right: -26px; transform: rotate(28deg); }
.nota-cabeza { display: flex; justify-content: space-between; align-items: baseline; margin-bottom: 18px; padding-bottom: 12px; border-bottom: 2px solid var(--marino); }
.nota-cabeza strong { font-family: var(--font-titulos); font-size: 1.7rem; font-weight: 800; text-transform: uppercase; color: var(--marino); }
.nota-cabeza span { font-family: var(--font-titulos); font-size: 1.1rem; font-weight: 700; color: #c2410c; }
.nota-columnas { display: flex; justify-content: space-between; padding-right: 8px; font-size: 0.75rem; font-weight: 600; letter-spacing: 0.14em; text-transform: uppercase; color: var(--tinta-suave); }
.nota-renglones { width: 100%; height: auto; overflow: visible; }
.trazo { stroke-dasharray: 1; stroke-dashoffset: 0; }
.js .trazo { stroke-dashoffset: 1; }
.js .visible .trazo { animation: escribir 0.6s ease-out forwards; }
.js .visible .trazo:nth-child(2) { animation-delay: 0.5s; }
.js .visible .trazo:nth-child(3) { animation-delay: 0.8s; }
.js .visible .trazo:nth-child(4) { animation-delay: 1.3s; }
.js .visible .trazo:nth-child(5) { animation-delay: 1.6s; }
.js .visible .trazo:nth-child(6) { animation-delay: 2.1s; }
.js .visible .trazo:nth-child(7) { animation-delay: 2.4s; }
.js .visible .trazo:nth-child(8) { animation-delay: 2.9s; }
@keyframes escribir { to { stroke-dashoffset: 0; } }
.nota-sello {
  position: absolute; right: 20px; bottom: 26px; padding: 4px 14px;
  border: 3px solid #c2410c; border-radius: 6px; color: #c2410c;
  font-family: var(--font-titulos); font-size: 1.6rem; font-weight: 800; letter-spacing: 0.14em; text-transform: uppercase;
  transform: rotate(-14deg); opacity: 0.85; mix-blend-mode: multiply;
}
.js .nota-sello { opacity: 0; transform: rotate(-14deg) scale(1.6); }
.js .visible .nota-sello { animation: sellar 0.35s 3.4s cubic-bezier(0.3, 1.6, 0.6, 1) forwards; }
@keyframes sellar { to { opacity: 0.85; transform: rotate(-14deg) scale(1); } }

/* ---------- Importacion ---------- */
.importacion { background: var(--marino); color: #fff; position: relative; overflow: hidden; }
.importacion::before {
  content: ""; position: absolute; inset: 0; opacity: 0.07;
  background: repeating-linear-gradient(90deg, #fff 0 6px, transparent 6px 22px);
}
.importacion .container { position: relative; }
.importacion .section-sub { color: #c9d6e3; }
.ruta { display: grid; grid-template-columns: repeat(5, 1fr); gap: 0; counter-reset: paso; }
.ruta li { position: relative; padding: 28px 22px 0 0; border-top: 3px dashed rgba(255, 255, 255, 0.3); }
.ruta li::before {
  content: ""; position: absolute; top: -11px; left: 0; width: 19px; height: 19px; border-radius: 50%;
  background: var(--naranja); box-shadow: 0 0 0 5px var(--marino);
}
.ruta-num { display: block; font-family: var(--font-titulos); font-size: 3rem; font-weight: 800; line-height: 1; color: rgba(255, 255, 255, 0.18); margin-bottom: 8px; }
.ruta h3 { font-size: 1.6rem; margin-bottom: 8px; color: var(--naranja-claro); }
.ruta p { color: #c9d6e3; font-size: 1rem; }

/* ---------- Mayoristas ---------- */
.niveles { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-bottom: 40px; align-items: stretch; }
.nivel { padding: 34px 28px; background: var(--blanco); border: 1px solid var(--linea); border-radius: var(--radio); }
.nivel-destacado { border: 2px solid var(--naranja); box-shadow: var(--sombra); position: relative; }
.nivel-destacado::before {
  content: "Más pedido"; position: absolute; top: -14px; right: 20px; padding: 2px 12px; border-radius: 4px;
  background: var(--naranja); color: var(--sobre-naranja); font-family: var(--font-titulos); font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase;
}
.nivel-tipo { font-family: var(--font-titulos); font-size: 1rem; font-weight: 700; letter-spacing: 0.2em; text-transform: uppercase; color: var(--naranja-texto); }
.nivel h3 { font-size: 3.2rem; color: var(--marino); }
.nivel-para { color: var(--tinta-suave); margin-bottom: 20px; padding-bottom: 20px; border-bottom: 1px solid var(--linea); }
.nivel li { position: relative; padding-left: 28px; margin-bottom: 10px; }
.nivel li::before {
  content: ""; position: absolute; left: 2px; top: 0.45em; width: 13px; height: 7px;
  border-left: 2.5px solid var(--naranja-texto); border-bottom: 2.5px solid var(--naranja-texto); transform: rotate(-45deg);
}

.solicitud {
  display: grid; grid-template-columns: 0.8fr 1.2fr; gap: 40px; padding: 44px;
  border-radius: var(--radio); background: var(--masking);
  background-image: repeating-linear-gradient(90deg, rgba(0, 0, 0, 0.035) 0 1px, transparent 1px 6px);
}
.solicitud h3 { font-size: 2.4rem; color: var(--marino); margin-bottom: 10px; }
.solicitud-copy p { color: #3a2a12; }
.solicitud-form { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.campo label { display: block; margin-bottom: 6px; font-weight: 600; font-size: 0.95rem; color: var(--marino); }
.campo input, .campo select, .campo textarea {
  width: 100%; min-height: 48px; padding: 10px 14px; border-radius: var(--radio-sm);
  border: 1.5px solid #b9a77c; background: var(--blanco);
}
.campo textarea { resize: vertical; }
.campo [aria-invalid="true"] { border-color: var(--error); box-shadow: 0 0 0 2px rgba(180, 35, 24, 0.2); }
.campo-ancho { grid-column: 1 / -1; }
.opcional { font-weight: 400; color: var(--tinta-suave); }
.form-error { grid-column: 1 / -1; color: var(--error); font-weight: 600; }

/* ---------- Preguntas ---------- */
.preguntas { background: var(--blanco); }
.preguntas-inner { display: grid; grid-template-columns: 0.8fr 1.2fr; gap: 60px; align-items: start; }
.preguntas .section-sub a { color: var(--naranja-texto); font-weight: 600; }
.faq { border-top: 1px solid var(--linea); }
.faq details { border-bottom: 1px solid var(--linea); }
.faq summary {
  display: flex; justify-content: space-between; align-items: center; gap: 16px;
  padding: 20px 4px; cursor: pointer; list-style: none; font-weight: 600; font-size: 1.1rem; color: var(--marino);
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: "+"; flex-shrink: 0; display: grid; place-items: center; width: 32px; height: 32px; border-radius: 50%;
  background: var(--papel); color: var(--naranja-texto); font-size: 1.4rem; transition: transform 0.25s var(--ease);
}
.faq details[open] summary::after { transform: rotate(45deg); }
.faq details p { padding: 0 4px 22px; color: var(--tinta-suave); }

/* ---------- Contacto ---------- */
.contacto { background: var(--marino); color: #fff; }
.contacto-inner { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 60px; align-items: center; }
.contacto-copy p:not(.eyebrow) { color: #c9d6e3; font-size: 1.15rem; margin-bottom: 28px; max-width: 480px; }
.contacto-datos { display: grid; gap: 18px; padding: 32px; border-radius: var(--radio); background: var(--marino-2); }
.contacto-datos strong { display: block; font-family: var(--font-titulos); font-size: 1.2rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--naranja-claro); }
.contacto-datos span { color: #dbe5ef; }
.redes { display: flex; gap: 10px; padding-top: 4px; }
.redes a { display: grid; place-items: center; width: 44px; height: 44px; border-radius: var(--radio-sm); border: 1px solid rgba(255, 255, 255, 0.25); color: #fff; transition: background-color 0.2s, color 0.2s; }
.redes a:hover { background: var(--naranja); color: var(--sobre-naranja); border-color: var(--naranja); }
.redes svg { width: 20px; height: 20px; fill: currentColor; }

/* ---------- Pie ---------- */
.site-footer { background: #0a1d30; color: #b6c4d2; padding: 40px 0; font-size: 0.95rem; }
.footer-inner { display: flex; align-items: center; gap: 20px 36px; flex-wrap: wrap; }
.footer-nav { display: flex; flex-wrap: wrap; gap: 8px 24px; margin-right: auto; }
.footer-nav a, .staff-link { text-decoration: none; }
.footer-nav a:hover, .staff-link:hover { color: #fff; }
.staff-link { display: inline-flex; align-items: center; gap: 6px; }
.staff-link svg { width: 13px; height: 13px; fill: currentColor; }

/* WhatsApp flotante */
.wa-flotante {
  position: fixed; right: 20px; bottom: 20px; z-index: 90;
  display: grid; place-items: center; width: 58px; height: 58px; border-radius: 50%;
  background: var(--whatsapp); color: #fff; box-shadow: 0 14px 30px -8px rgba(18, 128, 63, 0.6);
  transition: transform 0.25s var(--ease);
}
.wa-flotante svg { width: 30px; height: 30px; }
.wa-flotante:hover { transform: scale(1.08); }

/* ---------- Aparicion al hacer scroll (solo con JS) ---------- */
.js .reveal { opacity: 0; transform: translateY(24px); transition: opacity 0.7s var(--ease), transform 0.7s var(--ease); }
.js .reveal.visible { opacity: 1; transform: none; }
.clientes-grid .reveal:nth-child(2), .ruta .reveal:nth-child(2), .niveles .reveal:nth-child(2) { transition-delay: 0.08s; }
.clientes-grid .reveal:nth-child(3), .ruta .reveal:nth-child(3), .niveles .reveal:nth-child(3) { transition-delay: 0.16s; }
.clientes-grid .reveal:nth-child(4), .ruta .reveal:nth-child(4) { transition-delay: 0.24s; }
.ruta .reveal:nth-child(5) { transition-delay: 0.32s; }

/* ---------- Responsive ---------- */
@media (max-width: 1080px) {
  .clientes-grid { grid-template-columns: repeat(2, 1fr); }
  .ruta { grid-template-columns: repeat(3, 1fr); row-gap: 40px; }
  .solicitud, .preguntas-inner { grid-template-columns: 1fr; gap: 30px; }
}

@media (max-width: 900px) {
  :root { --header-h: 64px; }
  .section { padding: 76px 0; }
  .topbar-extra { display: none; }
  .nav-toggle { display: flex; }
  .main-nav {
    position: absolute; top: var(--header-h); left: 0; right: 0;
    flex-direction: column; align-items: stretch; gap: 0; padding: 0 24px;
    background: var(--papel); border-bottom: 1px solid var(--linea);
    max-height: 0; overflow: hidden; visibility: hidden;
    transition: max-height 0.35s var(--ease), padding 0.35s var(--ease), visibility 0.35s;
  }
  .main-nav.open { max-height: 520px; padding: 8px 24px 24px; visibility: visible; }
  .main-nav > a:not(.btn) { padding: 14px 0; border-bottom: 1px solid var(--linea); color: var(--tinta); }
  .main-nav > a:not(.btn)::after { display: none; }
  .nav-login { padding-left: 0; border-left: 0; }
  .main-nav .btn { margin-top: 16px; }

  .hero { padding-top: 40px; }
  .hero-inner { grid-template-columns: 1fr; gap: 30px; padding-bottom: 40px; }
  .contenedores { margin: 0 auto; max-width: 480px; }
  .hero-datos { grid-template-columns: repeat(2, 1fr); }
  .hero-datos li:nth-child(3) { border-left: 0; }
  .hero-datos li:nth-child(n+3) { border-top: 1px solid rgba(255, 255, 255, 0.12); }
  .niveles { grid-template-columns: 1fr; max-width: 520px; }
  .contacto-inner { grid-template-columns: 1fr; gap: 36px; }
  .pedido-inner { grid-template-columns: 1fr; gap: 40px; }
}

@media (max-width: 600px) {
  .container { padding: 0 16px; }
  .section { padding: 64px 0; }
  .topbar { font-size: 0.85rem; }
  .hero h1 { font-size: clamp(2.8rem, 14vw, 3.6rem); }
  .lead { font-size: 1.08rem; }
  .hero-actions .btn { flex: 1 1 100%; }
  .hero-datos { border-radius: 0; margin: 0; }
  .hero-datos li { padding: 18px 16px; }
  .hero-datos strong { font-size: 1.35rem; }
  .clientes-grid, .ruta { grid-template-columns: 1fr; }
  .ruta li { padding-right: 0; }
  .solicitud { padding: 28px 18px; }
  .solicitud-form { grid-template-columns: 1fr; }
  .solicitud-form .btn { white-space: normal; }
  .contacto-copy .btn, .pedido-copy .btn { width: 100%; }
  .pedido-visual { padding: 50px 22px; }
  .nota { padding: 28px 20px 24px; }
  .contacto-datos { padding: 24px 20px; }
  .wa-flotante { right: 16px; bottom: 18px; width: 56px; height: 56px; }
}

/* ---------- Movimiento reducido ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; transition-delay: 0s !important; }
  .js .reveal { opacity: 1; transform: none; }
}