/* ==========================================================================
   Kosago Corp — hoja de estilos base
   Paleta y tipografías tomadas del sitio original.
   ========================================================================== */

:root {
  /* Marca */
  --vino:        #931515;
  --vino-osc:    #6E0F0F;
  --vino-claro:  #B12222;
  --oro:         #F2B705;
  --oro-osc:     #C99504;
  --carbon:      #233038;
  --gris:        #E7E7E7;
  --gris-suave:  #F5F5F5;
  --texto:       #5C5C5C;
  --blanco:      #FFFFFF;

  /* Tipografía */
  --font-titulo: "Poppins", system-ui, -apple-system, sans-serif;
  --font-texto:  "Inter", system-ui, -apple-system, sans-serif;

  /* Ritmo vertical */
  --seccion:     clamp(4rem, 8vw, 7rem);
  --ancho:       1200px;
  --radio:       14px;
  --sombra:      0 10px 30px rgba(35, 48, 56, .10);
  --sombra-alta: 0 18px 45px rgba(35, 48, 56, .16);
}

/* --- Reset ---------------------------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; }

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; }
}

body {
  font-family: var(--font-texto);
  font-size: 1rem;
  line-height: 1.65;
  color: var(--texto);
  background: var(--blanco);
  -webkit-font-smoothing: antialiased;
}

img, svg { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }
ul { list-style: none; padding: 0; }

h1, h2, h3, h4 {
  font-family: var(--font-titulo);
  font-weight: 700;
  line-height: 1.18;
  color: var(--carbon);
  text-wrap: balance;
}
h1 { font-size: clamp(2.1rem, 5vw, 3.9rem); }
h2 { font-size: clamp(1.75rem, 3.6vw, 2.9rem); }
h3 { font-size: clamp(1.15rem, 1.8vw, 1.4rem); }
p  { text-wrap: pretty; }

:focus-visible { outline: 3px solid var(--oro); outline-offset: 3px; border-radius: 4px; }

/* --- Utilidades ----------------------------------------------------------- */
.contenedor { width: min(100% - 2.5rem, var(--ancho)); margin-inline: auto; }
.seccion    { padding-block: var(--seccion); }
.seccion--gris   { background: var(--gris-suave); }
.seccion--carbon { background: var(--carbon); color: #C6D0D6; }
.seccion--carbon h2, .seccion--carbon h3 { color: #fff; }

.eyebrow {
  font-size: .8rem; font-weight: 800; letter-spacing: 2px;
  text-transform: uppercase; color: var(--vino); margin-bottom: .75rem;
}
.seccion--carbon .eyebrow { color: var(--oro); }

.encabezado { max-width: 62ch; margin-bottom: clamp(2rem, 4vw, 3.25rem); }
.encabezado--centro { margin-inline: auto; text-align: center; }
.encabezado p { margin-top: 1rem; font-size: 1.05rem; }

.solo-lectores {
  position: absolute; width: 1px; height: 1px; padding: 0;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}

/* --- Botones -------------------------------------------------------------- */
.btn {
  display: inline-flex; align-items: center; gap: .55rem;
  padding: .85rem 1.6rem; border-radius: 999px;
  font-weight: 700; font-size: .95rem; line-height: 1;
  transition: transform .18s ease, background-color .18s ease, box-shadow .18s ease;
  white-space: nowrap;
}
.btn:hover { transform: translateY(-2px); }
.btn svg { width: 18px; height: 18px; flex: none; }

.btn--oro   { background: var(--oro); color: var(--carbon); box-shadow: 0 6px 18px rgba(242,183,5,.35); }
.btn--oro:hover { background: var(--oro-osc); }
.btn--vino  { background: var(--vino); color: #fff; }
.btn--vino:hover { background: var(--vino-osc); }
.btn--linea { border: 2px solid currentColor; padding-block: calc(.85rem - 2px); }
.btn--blanco { background: #fff; color: var(--vino); }

/* --- Barra superior ------------------------------------------------------- */
.barra-top {
  background: var(--carbon); color: #B9C4CB;
  font-size: .82rem; padding-block: .55rem;
}
.barra-top .contenedor {
  display: flex; flex-wrap: wrap; gap: .5rem 1.5rem;
  align-items: center; justify-content: space-between;
}
.barra-top ul { display: flex; flex-wrap: wrap; gap: 1.25rem; }
.barra-top li { display: flex; align-items: center; gap: .45rem; }
.barra-top a:hover { color: var(--oro); }
.barra-top svg { width: 15px; height: 15px; color: var(--oro); flex: none; }
.redes { display: flex; gap: .6rem; }
.redes a {
  display: grid; place-items: center; width: 28px; height: 28px;
  border-radius: 50%; background: rgba(255,255,255,.1);
  transition: background-color .18s ease;
}
.redes a:hover { background: var(--oro); color: var(--carbon); }
.redes svg { width: 14px; height: 14px; color: currentColor; }

/* --- Cabecera ------------------------------------------------------------- */
.cabecera {
  position: sticky; top: 0; z-index: 60;
  background: var(--vino); color: #fff;
  box-shadow: 0 2px 14px rgba(0,0,0,.18);
}
.cabecera .contenedor {
  display: flex; align-items: center; justify-content: space-between;
  gap: 1.5rem; min-height: 74px;
}
.logo img { width: 148px; height: auto; }

.nav > ul { display: flex; align-items: center; gap: 1.6rem; }
.nav a, .nav-boton {
  font-weight: 600; font-size: .95rem; padding-block: .4rem;
  position: relative; transition: color .18s ease; white-space: nowrap;
}
.nav > ul > li > a::after, .nav-boton::after {
  content: ""; position: absolute; left: 0; bottom: 0;
  width: 0; height: 2px; background: var(--oro); transition: width .22s ease;
}
.nav a:hover, .nav a[aria-current="page"], .nav-boton:hover { color: var(--oro); }
.nav > ul > li > a:hover::after,
.nav > ul > li > a[aria-current="page"]::after,
.nav-boton:hover::after { width: 100%; }

/* Submenú de servicios */
.tiene-menu { position: relative; }
.nav-boton { display: inline-flex; align-items: center; gap: .35rem; }
.nav-boton svg { width: 13px; height: 13px; transition: transform .2s ease; }
.submenu {
  position: absolute; top: calc(100% + .9rem); left: -1rem;
  min-width: 250px; padding: .5rem; border-radius: 12px;
  background: #fff; box-shadow: var(--sombra-alta);
  display: grid; gap: .1rem;
  opacity: 0; visibility: hidden; transform: translateY(-8px);
  transition: opacity .18s ease, transform .18s ease, visibility .18s;
}
.submenu::before { content: ""; position: absolute; inset: -.9rem 0 100% 0; }
.tiene-menu:hover .submenu,
.tiene-menu:focus-within .submenu,
.submenu[data-abierto="true"] {
  opacity: 1; visibility: visible; transform: none;
}
.tiene-menu:hover .nav-boton svg { transform: rotate(180deg); }
.submenu a {
  display: block; padding: .65rem .85rem; border-radius: 8px;
  color: var(--carbon); font-weight: 600; font-size: .92rem;
}
.submenu a:hover { background: var(--gris-suave); color: var(--vino); }

.cabecera-tel { display: flex; align-items: center; gap: .7rem; }
.cabecera-tel svg { width: 34px; height: 34px; color: var(--oro); flex: none; }
.cabecera-tel span { display: block; font-size: .75rem; opacity: .8; line-height: 1.3; }
.cabecera-tel strong {
  display: block; font-family: var(--font-titulo);
  font-size: 1.05rem; white-space: nowrap; opacity: 1;
}

.hamburguesa { display: none; padding: .5rem; }
.hamburguesa svg { width: 28px; height: 28px; }

/* --- Hero ----------------------------------------------------------------- */
.hero { position: relative; background: var(--carbon); color: #fff; overflow: hidden; }
.hero__media { position: absolute; inset: 0; }
.hero__media img { width: 100%; height: 100%; object-fit: cover; }
.hero__media::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(105deg, rgba(20,28,33,.94) 0%, rgba(20,28,33,.80) 45%, rgba(20,28,33,.35) 100%);
}
.hero__contenido {
  position: relative; z-index: 1;
  padding-block: clamp(4.5rem, 11vw, 8.5rem);
  max-width: 640px;
}
.hero h1 { color: #fff; }
.hero h1 em { font-style: normal; color: var(--oro); }
.hero__texto { margin-top: 1.35rem; font-size: 1.1rem; color: #D5DDE2; max-width: 52ch; }
.hero__acciones { display: flex; flex-wrap: wrap; gap: .9rem; margin-top: 2.2rem; }
.hero__sellos {
  display: flex; flex-wrap: wrap; gap: 1.75rem;
  margin-top: 3rem; padding-top: 1.75rem;
  border-top: 1px solid rgba(255,255,255,.18);
}
.hero__sellos div { min-width: 92px; }
.hero__sellos b {
  display: block; font-family: var(--font-titulo);
  font-size: 1.9rem; color: var(--oro); line-height: 1;
}
.hero__sellos div > span { display: block; font-size: .85rem; color: #C0CBD2; }

/* --- Tarjetas de servicio ------------------------------------------------- */
.grid-servicios {
  display: grid; gap: 1.5rem;
  grid-template-columns: repeat(auto-fit, minmax(255px, 1fr));
}
.servicio {
  display: flex; flex-direction: column;
  background: #fff; border-radius: var(--radio); overflow: hidden;
  box-shadow: var(--sombra); border: 1px solid var(--gris);
  transition: transform .22s ease, box-shadow .22s ease;
}
.servicio:hover { transform: translateY(-6px); box-shadow: var(--sombra-alta); }
.servicio__foto { background: var(--gris); }
.servicio__foto img { width: 100%; height: auto; aspect-ratio: 4 / 3; object-fit: cover; }
.servicio__cuerpo { padding: 1.5rem 1.5rem 1.75rem; display: flex; flex-direction: column; flex: 1; }
/* Altura mínima de dos líneas para que el texto de las cuatro tarjetas arranque parejo */
.servicio h3 { margin-bottom: .6rem; }
@media (min-width: 1080px) { .servicio h3 { min-height: 2.36em; } }
.servicio p { font-size: .95rem; margin-bottom: 1.25rem; }
.servicio ul { display: grid; gap: .45rem; margin-bottom: 1.5rem; font-size: .9rem; }
.servicio li { display: flex; gap: .55rem; align-items: flex-start; }
.servicio li::before {
  content: ""; flex: none; width: 7px; height: 7px; margin-top: .55rem;
  border-radius: 50%; background: var(--oro);
}
.servicio__link {
  margin-top: auto; font-weight: 700; color: var(--vino);
  display: inline-flex; align-items: center; gap: .45rem;
}
.servicio__link:hover { gap: .8rem; color: var(--vino-osc); }
.servicio__link svg { width: 16px; height: 16px; transition: transform .18s ease; }

/* --- Proceso -------------------------------------------------------------- */
.pasos { display: grid; gap: 1.5rem; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); counter-reset: paso; }
.paso { position: relative; padding: 2.25rem 1.5rem 1.75rem; background: rgba(255,255,255,.05); border-radius: var(--radio); border: 1px solid rgba(255,255,255,.1); }
.paso::before {
  counter-increment: paso; content: counter(paso, decimal-leading-zero);
  position: absolute; top: -.6rem; left: 1.5rem;
  font-family: var(--font-titulo); font-size: 2.6rem; font-weight: 700;
  color: rgba(242,183,5,.28); line-height: 1;
}
.paso h3 { font-size: 1.15rem; margin-bottom: .55rem; position: relative; }
.paso p { font-size: .93rem; }

/* --- Bloque dividido (imagen + texto) ------------------------------------- */
.dividido {
  display: grid; gap: clamp(2rem, 5vw, 4rem);
  grid-template-columns: repeat(auto-fit, minmax(310px, 1fr));
  align-items: center;
}
.dividido__figura { position: relative; }
.dividido__figura img { width: 100%; border-radius: var(--radio); box-shadow: var(--sombra-alta); }
.dividido--invertido .dividido__figura { order: 2; }

.cita-fundadora {
  position: absolute; right: -1rem; bottom: -1.75rem;
  max-width: 300px; padding: 1.35rem 1.5rem;
  background: var(--vino); color: #fff; border-radius: var(--radio);
  box-shadow: var(--sombra-alta); font-size: .93rem; font-style: italic;
}
.cita-fundadora footer { margin-top: .85rem; font-style: normal; font-size: .85rem; }
.cita-fundadora strong { display: block; font-family: var(--font-titulo); }
.cita-fundadora span { color: var(--oro); }

.lista-check { display: grid; gap: .9rem; margin: 1.75rem 0 2rem; }
.lista-check li { display: flex; gap: .8rem; align-items: flex-start; }
.lista-check svg { width: 22px; height: 22px; flex: none; color: var(--vino); margin-top: .15rem; }
.lista-check strong { display: block; color: var(--carbon); font-family: var(--font-titulo); font-size: 1rem; }
.lista-check p { font-size: .93rem; }

/* --- Cifras --------------------------------------------------------------- */
.cifras { display: grid; gap: 1.25rem; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); }
.cifra { padding: 1.5rem; background: #fff; border-radius: var(--radio); border: 1px solid var(--gris); text-align: center; }
.cifra b { display: block; font-family: var(--font-titulo); font-size: clamp(2rem, 4vw, 2.75rem); color: var(--vino); line-height: 1; }
.cifra span { font-size: .88rem; }

/* --- Logos de clientes ---------------------------------------------------- */
/* Franja de clientes: logos a todo color sobre el amarillo de marca. */
.clientes { background: var(--oro); padding-block: 2.5rem; }
.clientes ul {
  display: flex; flex-wrap: wrap; align-items: center;
  justify-content: space-between; gap: 1.75rem 2.5rem;
}
.clientes img {
  height: 46px; width: auto; object-fit: contain;
  opacity: .92; transition: opacity .2s ease, transform .2s ease;
}
.clientes li:hover img { opacity: 1; transform: scale(1.04); }

/* --- Portafolio ----------------------------------------------------------- */
.grid-proyectos { display: grid; gap: 1.5rem; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); }
.proyecto {
  position: relative; border-radius: var(--radio); overflow: hidden;
  box-shadow: var(--sombra);
}
.proyecto img {
  width: 100%; height: auto; aspect-ratio: 4 / 5;
  object-fit: cover; transition: transform .5s ease;
}
.proyecto:hover img { transform: scale(1.06); }
.proyecto__info {
  position: absolute; inset: auto 0 0 0; padding: 2.5rem 1.5rem 1.5rem; color: #fff;
  background: linear-gradient(to top, rgba(15,21,25,.94) 15%, rgba(15,21,25,0) 100%);
}
.proyecto__info span { font-size: .78rem; font-weight: 700; letter-spacing: 1.5px; text-transform: uppercase; color: var(--oro); }
.proyecto__info h3 { color: #fff; font-size: 1.2rem; margin-top: .35rem; }
.proyecto__info p { font-size: .88rem; color: #CBD4D9; margin-top: .45rem; }

/* --- Testimonios ---------------------------------------------------------- */
.grid-testimonios { display: grid; gap: 1.5rem; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); }
.testimonio {
  padding: 1.75rem; background: #fff; border-radius: var(--radio);
  border: 1px solid var(--gris); box-shadow: var(--sombra);
  display: flex; flex-direction: column;
}
.estrellas { display: flex; gap: .2rem; color: var(--oro); margin-bottom: 1rem; }
.estrellas svg { width: 17px; height: 17px; }
.testimonio blockquote { font-size: .96rem; font-style: italic; flex: 1; }
.testimonio figcaption { display: flex; align-items: center; gap: .85rem; margin-top: 1.5rem; }
.testimonio img { width: 46px; height: 46px; border-radius: 50%; object-fit: cover; flex: none; }
.testimonio strong { display: block; color: var(--carbon); font-family: var(--font-titulo); font-size: .98rem; }
.testimonio small { color: var(--texto); font-size: .84rem; }

/* --- FAQ ------------------------------------------------------------------ */
.faq { display: grid; gap: .75rem; max-width: 820px; }
.faq details {
  background: #fff; border: 1px solid var(--gris);
  border-radius: var(--radio); overflow: hidden;
  transition: border-color .18s ease;
}
.faq details[open] { border-color: var(--vino); }
.faq summary {
  display: flex; align-items: center; justify-content: space-between; gap: 1rem;
  padding: 1.15rem 1.4rem; cursor: pointer; list-style: none;
  font-family: var(--font-titulo); font-weight: 600; color: var(--carbon);
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary:hover { color: var(--vino); }
.faq summary::after {
  content: ""; flex: none; width: 11px; height: 11px;
  border-right: 2.5px solid var(--vino); border-bottom: 2.5px solid var(--vino);
  transform: rotate(45deg) translateY(-3px); transition: transform .22s ease;
}
.faq details[open] summary::after { transform: rotate(-135deg) translateY(-3px); }
.faq div { padding: 0 1.4rem 1.35rem; font-size: .95rem; }

/* --- Llamado final -------------------------------------------------------- */
.cta-final {
  background: linear-gradient(120deg, var(--vino) 0%, var(--vino-osc) 100%);
  color: #fff; border-radius: var(--radio); padding: clamp(2.25rem, 5vw, 3.5rem);
  display: grid; gap: 2rem; align-items: center;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}
.cta-final h2 { color: #fff; }
.cta-final p { margin-top: .9rem; color: rgba(255,255,255,.88); }
.cta-final__acciones { display: flex; flex-wrap: wrap; gap: .9rem; justify-content: flex-end; }

/* --- Pie ------------------------------------------------------------------ */
.pie { background: var(--carbon); color: #A9B5BD; padding-block: clamp(3rem, 6vw, 4.5rem) 0; font-size: .93rem; }
.pie__grid { display: grid; gap: 2.5rem clamp(2rem, 4vw, 3.5rem); grid-template-columns: 1.25fr 1fr 1.05fr; }
.pie h4 { color: #fff; font-size: 1.05rem; margin-bottom: 1.15rem; }
.pie img { width: 150px; margin-bottom: 1.25rem; }
.pie ul { display: grid; gap: .65rem; }
.pie a:hover { color: var(--oro); }
.pie__contacto li { display: flex; gap: .75rem; align-items: flex-start; }
.pie__contacto svg { width: 19px; height: 19px; color: var(--oro); flex: none; margin-top: .2rem; }
.pie__contacto span { display: block; color: #fff; font-weight: 600; }

/* Sellos de confianza bajo el logo */
.pie__sellos { margin-top: 1.35rem; gap: .55rem; font-size: .88rem; }
.pie__sellos li { display: flex; gap: .6rem; align-items: center; }
.pie__sellos svg { width: 17px; height: 17px; color: var(--oro); flex: none; }

.redes--pie { margin-top: 1.5rem; }
.redes--pie a { width: 34px; height: 34px; }
.redes--pie svg { width: 16px; height: 16px; }

/* Tarjeta de contacto destacada */
.pie__cta {
  padding: 1.75rem; border-radius: var(--radio);
  background: rgba(255,255,255,.06); border: 1px solid rgba(255,255,255,.12);
}
.pie__cta h4 { margin-bottom: .8rem; }
.pie__cta p { font-size: .92rem; }
.pie__cta .btn { margin-top: 1.35rem; }
.pie__cta-nota { margin-top: .9rem; font-size: .84rem; color: #8D9AA3; }
.pie__base {
  margin-top: 3rem; padding-block: 1.35rem;
  border-top: 1px solid rgba(255,255,255,.12);
  display: flex; flex-wrap: wrap; gap: .75rem 1.5rem;
  justify-content: space-between; font-size: .85rem;
}

/* --- Botón flotante de WhatsApp ------------------------------------------- */
.wa-flotante {
  position: fixed; right: 1.15rem; bottom: 1.15rem; z-index: 70;
  display: grid; place-items: center; width: 56px; height: 56px;
  background: #25D366; color: #fff; border-radius: 50%;
  box-shadow: 0 8px 22px rgba(0,0,0,.28);
  transition: transform .18s ease;
}
.wa-flotante:hover { transform: scale(1.08); }
.wa-flotante svg { width: 30px; height: 30px; }

/* --- Aparición suave (progresiva: sin JS todo queda visible) -------------- */
.js .reveal { opacity: 0; transform: translateY(22px); }
.js .reveal.visible {
  opacity: 1; transform: none;
  transition: opacity .55s ease, transform .55s ease;
}
@media (prefers-reduced-motion: reduce) {
  .js .reveal { opacity: 1; transform: none; }
}

/* --- Adaptación a pantallas pequeñas -------------------------------------- */
@media (max-width: 1040px) {
  .pie__grid { grid-template-columns: 1fr 1fr; }
  .pie__grid > div:last-child { grid-column: 1 / -1; }
  .cabecera-tel { display: none; }
}

@media (max-width: 900px) {
  .hamburguesa { display: block; }
  .nav {
    position: fixed; inset: 0 0 0 auto; width: min(320px, 82vw);
    background: var(--vino-osc); padding: 5.5rem 2rem 2rem;
    transform: translateX(100%); transition: transform .28s ease;
    box-shadow: -8px 0 30px rgba(0,0,0,.3); overflow-y: auto;
  }
  .nav[data-abierto="true"] { transform: translateX(0); }
  .nav > ul { flex-direction: column; align-items: stretch; gap: .35rem; }
  .nav a { display: block; padding: .85rem .25rem; border-bottom: 1px solid rgba(255,255,255,.12); font-size: 1.02rem; }
  .nav a::after, .nav-boton::after { display: none; }

  /* El submenú se despliega en línea, no flotando */
  .nav-boton {
    display: flex; width: 100%; justify-content: space-between;
    padding: .85rem .25rem; border-bottom: 1px solid rgba(255,255,255,.12);
    font-size: 1.02rem;
  }
  .nav-boton[aria-expanded="true"] svg { transform: rotate(180deg); }
  .submenu {
    position: static; opacity: 1; visibility: visible; transform: none;
    background: none; box-shadow: none; min-width: 0;
    padding: 0 0 0 .9rem; max-height: 0; overflow: hidden;
    transition: max-height .28s ease;
  }
  .submenu::before { display: none; }
  .submenu[data-abierto="true"] { max-height: 320px; }
  .submenu a { color: rgba(255,255,255,.85); padding: .7rem .25rem; font-size: .95rem; }
  .submenu a:hover { background: none; color: var(--oro); }
  .tiene-menu:hover .submenu, .tiene-menu:focus-within .submenu { max-height: 0; }
  .tiene-menu .submenu[data-abierto="true"] { max-height: 320px; }
  .nav-cerrar { position: absolute; top: 1.4rem; right: 1.4rem; }
  .nav-cerrar svg { width: 26px; height: 26px; }
  .nav-fondo {
    position: fixed; inset: 0; background: rgba(15,21,25,.55);
    opacity: 0; pointer-events: none; transition: opacity .28s ease; z-index: 55;
  }
  body[data-menu="abierto"] .nav-fondo { opacity: 1; pointer-events: auto; }
  body[data-menu="abierto"] { overflow: hidden; }
  .cita-fundadora { position: static; max-width: none; margin-top: 1.25rem; }
  .dividido--invertido .dividido__figura { order: 0; }
  .cta-final__acciones { justify-content: flex-start; }
}

@media (max-width: 620px) {
  .barra-top .contenedor { justify-content: center; }
  .barra-top ul li:not(:first-child) { display: none; }
  .pie__grid { grid-template-columns: 1fr; }
  .clientes ul { justify-content: center; gap: 1.5rem; }
  .clientes img { height: 32px; }
}

@media (max-width: 900px) {
  .nav-cerrar { display: block; }
}
@media (min-width: 901px) {
  .nav-cerrar, .nav-fondo { display: none; }
}