/* ============================================================
   Paleta "Olimpo" — propuesta de marca para Athena
   Noche Olimpo  #0D1321  fondo principal, autoridad
   Azul Egeo     #1D2D44  superficies y tarjetas
   Oro Athena    #C9A961  acento: botones, detalles, cursivas
   Marfil        #F5F0E6  texto sobre oscuro, secciones claras
   Piedra        #8D8A82  texto secundario
   Olivo         #6B7F5E  apoyo (el árbol de Atenea): estados, checks
   ============================================================ */
:root {
  --noche: #0D1321;
  --egeo: #1D2D44;
  --egeo-2: #16233A;
  --oro: #C9A961;
  --oro-claro: #E2C98F;
  --marfil: #F5F0E6;
  --piedra: #8D8A82;
  --olivo: #6B7F5E;
  --tinta: #1A1F2B;

  --serif: "Cormorant Garamond", Georgia, serif;
  --sans: "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;
  --radio: 14px;
  --sombra: 0 24px 60px -24px rgba(0, 0, 0, .55);
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; scroll-padding-top: 76px; }
body {
  background: var(--noche);
  color: var(--marfil);
  font: 400 16px/1.65 var(--sans);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
em { font-style: italic; color: var(--oro); }

.contenedor { width: min(1160px, 100% - 32px); margin-inline: auto; }

h1, h2, h3 { font-family: var(--serif); font-weight: 600; line-height: 1.1; letter-spacing: -.01em; }
h1 { font-size: clamp(2.6rem, 6vw, 4.4rem); }
h2 { font-size: clamp(2rem, 4.2vw, 3.1rem); }
h3 { font-size: 1.5rem; }

.eyebrow {
  font-size: .75rem; font-weight: 600; letter-spacing: .22em; text-transform: uppercase;
  color: var(--oro); margin-bottom: 1rem;
  display: inline-flex; align-items: center; gap: .7rem;
}
.eyebrow::before { content: ""; width: 28px; height: 1px; background: var(--oro); }

/* Botones */
.boton {
  display: inline-flex; align-items: center; justify-content: center;
  padding: .9rem 1.6rem; border-radius: 999px;
  font: 600 .95rem var(--sans); letter-spacing: .01em;
  border: 1px solid transparent; cursor: pointer;
  transition: transform .2s, background .2s, border-color .2s, color .2s;
}
.boton:hover { transform: translateY(-2px); }
.boton--oro { background: var(--oro); color: var(--noche); }
.boton--oro:hover { background: var(--oro-claro); }
.boton--linea { border-color: rgba(245, 240, 230, .3); color: var(--marfil); }
.boton--linea:hover { border-color: var(--oro); color: var(--oro); }

/* Navegación */
.nav {
  position: fixed; inset: 0 0 auto; z-index: 50;
  transition: background .3s, border-color .3s;
  border-bottom: 1px solid transparent;
}
.nav.con-fondo {
  background: rgba(13, 19, 33, .86);
  backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
  border-color: rgba(201, 169, 97, .15);
}
.nav__fila { display: flex; align-items: center; gap: 2rem; height: 72px; }
.marca { display: flex; align-items: center; gap: .6rem; font: 600 1.6rem var(--serif); letter-spacing: .04em; }
.nav__enlaces { display: flex; gap: 2rem; margin-left: auto; font-size: .92rem; }
.nav__enlaces a { color: rgba(245, 240, 230, .78); transition: color .2s; }
.nav__enlaces a:hover { color: var(--oro); }
.nav__cta { padding: .6rem 1.2rem; font-size: .88rem; }
.nav__hamburguesa { display: none; }

/* Hero */
.hero {
  min-height: 100vh; display: flex; align-items: center;
  padding: 120px 0 80px;
  background:
    radial-gradient(900px 500px at 85% 20%, rgba(201, 169, 97, .14), transparent 60%),
    radial-gradient(700px 500px at 0% 100%, rgba(29, 45, 68, .9), transparent 70%),
    var(--noche);
}
.hero__fila { display: grid; grid-template-columns: 1.15fr .85fr; gap: 4rem; align-items: center; }
.hero__lead { font-size: 1.12rem; color: rgba(245, 240, 230, .78); max-width: 34rem; margin: 1.5rem 0 2.2rem; }
.hero__acciones { display: flex; gap: 1rem; flex-wrap: wrap; }
.hero__datos {
  list-style: none; display: flex; gap: 2.5rem; margin-top: 3rem; padding-top: 2rem;
  border-top: 1px solid rgba(245, 240, 230, .1);
}
.hero__datos strong { display: block; font: 600 1.5rem var(--serif); color: var(--oro); }
.hero__datos span { font-size: .85rem; color: var(--piedra); }

/* Chat de ejemplo */
.chat {
  background: linear-gradient(180deg, var(--egeo), var(--egeo-2));
  border: 1px solid rgba(201, 169, 97, .22);
  border-radius: 22px; box-shadow: var(--sombra); overflow: hidden;
}
.chat__cabecera {
  display: flex; align-items: center; gap: .8rem; padding: 1rem 1.2rem;
  border-bottom: 1px solid rgba(245, 240, 230, .08);
}
.chat__cabecera strong { display: block; font-size: .95rem; }
.chat__cabecera span { font-size: .78rem; color: var(--piedra); display: flex; align-items: center; gap: .35rem; }
.punto { width: 7px; height: 7px; border-radius: 50%; background: #7FA06B; box-shadow: 0 0 0 3px rgba(107, 127, 94, .3); }
.chat__cuerpo { padding: 1.2rem; display: flex; flex-direction: column; gap: .7rem; height: 380px; overflow: hidden; justify-content: flex-end; }
.chat__controles {
  display: flex; align-items: center; justify-content: space-between; gap: 1rem;
  padding: .75rem 1.2rem; border-top: 1px solid rgba(245, 240, 230, .08);
}
.chat__giro { font-size: .72rem; font-weight: 600; letter-spacing: .16em; text-transform: uppercase; color: var(--oro); }
.chat__nav { display: flex; align-items: center; gap: .5rem; }
.chat__puntos { display: flex; gap: .45rem; }
.chat__puntos button {
  width: 8px; height: 8px; padding: 0; border: 0; border-radius: 999px; cursor: pointer;
  background: rgba(245, 240, 230, .25); transition: width .3s, background .3s;
}
.chat__puntos button[aria-current="true"] { width: 22px; background: var(--oro); }
.chat__flecha {
  width: 30px; height: 30px; border-radius: 50%; display: grid; place-items: center; cursor: pointer;
  background: none; border: 1px solid rgba(245, 240, 230, .16); transition: border-color .2s;
}
.chat__flecha:hover { border-color: var(--oro); }
.chat__flecha svg { width: 16px; height: 16px; fill: none; stroke: var(--marfil); stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
.burbuja {
  max-width: 85%; padding: .7rem 1rem; border-radius: 16px; font-size: .9rem; line-height: 1.5;
  animation: aparecer .4s ease both;
}
.burbuja--cliente { align-self: flex-end; background: var(--oro); color: var(--noche); border-bottom-right-radius: 4px; }
.burbuja--athena { align-self: flex-start; background: rgba(245, 240, 230, .07); border: 1px solid rgba(245, 240, 230, .08); border-bottom-left-radius: 4px; }
.burbuja--escribiendo span { display: inline-block; width: 6px; height: 6px; margin: 0 2px; border-radius: 50%; background: var(--piedra); animation: rebote 1s infinite; }
.burbuja--escribiendo span:nth-child(2) { animation-delay: .15s; }
.burbuja--escribiendo span:nth-child(3) { animation-delay: .3s; }
@keyframes aparecer { from { opacity: 0; transform: translateY(8px); } }
@keyframes rebote { 50% { transform: translateY(-4px); opacity: .5; } }

/* Secciones */
.seccion { padding: 110px 0; }
.seccion--clara { background: var(--marfil); color: var(--tinta); }
.seccion--clara .eyebrow, .seccion--clara em { color: #9C7E3C; }
.seccion--clara .eyebrow::before { background: #9C7E3C; }
.encabezado { max-width: 40rem; margin-bottom: 3.5rem; }
.encabezado p:not(.eyebrow) { margin-top: 1rem; color: var(--piedra); font-size: 1.05rem; }
.seccion--clara .encabezado p:not(.eyebrow) { color: #5E5B55; }

.rejilla { display: grid; gap: 1.25rem; }
.rejilla--3 { grid-template-columns: repeat(3, 1fr); }
.tarjeta {
  padding: 2rem; border-radius: var(--radio);
  background: linear-gradient(180deg, rgba(29, 45, 68, .7), rgba(29, 45, 68, .3));
  border: 1px solid rgba(245, 240, 230, .07);
  transition: border-color .3s, transform .3s;
}
.tarjeta:hover { border-color: rgba(201, 169, 97, .45); transform: translateY(-4px); }
.tarjeta h3 { margin: 1.2rem 0 .6rem; }
.tarjeta p { color: rgba(245, 240, 230, .68); font-size: .95rem; }
.tarjeta__icono {
  width: 46px; height: 46px; border-radius: 12px; display: grid; place-items: center;
  background: rgba(201, 169, 97, .12); border: 1px solid rgba(201, 169, 97, .3);
}
.tarjeta__icono svg { width: 22px; height: 22px; fill: none; stroke: var(--oro); stroke-width: 1.6; stroke-linecap: round; stroke-linejoin: round; }

/* Pasos del producto */
.pasos { list-style: none; display: grid; grid-template-columns: repeat(4, 1fr); gap: 2rem; counter-reset: paso; }
.pasos li { border-top: 1px solid rgba(26, 31, 43, .18); padding-top: 1.5rem; }
.pasos__num { font: 500 2.6rem var(--serif); color: #9C7E3C; }
.pasos h3 { margin: .5rem 0 .6rem; font-size: 1.35rem; }
.pasos p { font-size: .94rem; color: #4D4A44; }

.destacado {
  margin-top: 4.5rem; padding: 3rem; border-radius: 20px;
  background: var(--noche); color: var(--marfil);
  display: grid; grid-template-columns: 1.1fr .9fr; gap: 3rem; align-items: center;
  box-shadow: var(--sombra);
}
.destacado h3 { font-size: 2rem; margin-bottom: 1rem; }
.destacado p { color: rgba(245, 240, 230, .72); }
.giros { list-style: none; display: flex; flex-wrap: wrap; gap: .5rem; margin-top: 1.5rem; }
.giros li {
  font-size: .8rem; padding: .35rem .8rem; border-radius: 999px;
  border: 1px solid rgba(201, 169, 97, .35); color: var(--oro-claro);
}
.lista-check { list-style: none; display: grid; gap: .9rem; }
.lista-check li { display: flex; gap: .8rem; align-items: flex-start; font-size: .95rem; }
.lista-check li::before {
  content: "✓"; flex: none; width: 22px; height: 22px; border-radius: 50%;
  display: grid; place-items: center; font-size: .72rem; font-weight: 700;
  background: var(--olivo); color: var(--marfil); margin-top: 2px;
}

/* Galería */
.galeria { display: grid; grid-template-columns: repeat(3, 1fr); grid-auto-rows: 240px; gap: 1rem; }
.galeria figure { position: relative; border-radius: var(--radio); overflow: hidden; background: var(--egeo); }
.galeria figure:nth-child(1) { grid-row: span 2; }
.galeria figure:nth-child(4) { grid-column: span 2; }
.galeria img { width: 100%; height: 100%; object-fit: cover; transition: transform .6s; }
.galeria figure:hover img { transform: scale(1.04); }
.galeria figcaption {
  position: absolute; inset: auto 0 0; padding: 1rem 1.2rem; font-size: .85rem;
  background: linear-gradient(transparent, rgba(13, 19, 33, .85));
}
.galeria__vacio {
  width: 100%; height: 100%; display: grid; place-items: center; text-align: center;
  color: var(--piedra); font-size: .85rem;
  background:
    repeating-linear-gradient(135deg, rgba(201, 169, 97, .05) 0 12px, transparent 12px 24px),
    linear-gradient(160deg, var(--egeo), var(--egeo-2));
  border: 1px dashed rgba(201, 169, 97, .25); border-radius: var(--radio);
}

/* Contacto */
.seccion--contacto {
  background:
    radial-gradient(700px 400px at 10% 0%, rgba(201, 169, 97, .12), transparent 60%),
    var(--egeo-2);
}
.contacto { display: grid; grid-template-columns: 1fr 1fr; gap: 4rem; align-items: start; }
.contacto > div p:not(.eyebrow) { color: rgba(245, 240, 230, .72); margin: 1.2rem 0 2rem; max-width: 28rem; }
.formulario {
  display: grid; gap: 1.1rem; padding: 2.2rem; border-radius: 20px;
  background: rgba(13, 19, 33, .6); border: 1px solid rgba(201, 169, 97, .18);
}
.formulario label { display: grid; gap: .45rem; font-size: .85rem; color: rgba(245, 240, 230, .8); }
.formulario input, .formulario select, .formulario textarea {
  font: inherit; font-size: 1rem; color: var(--marfil);
  background: rgba(245, 240, 230, .05); border: 1px solid rgba(245, 240, 230, .14);
  border-radius: 10px; padding: .8rem .95rem; resize: vertical;
}
.formulario select option { background: var(--noche); }
.formulario input:focus, .formulario select:focus, .formulario textarea:focus { outline: none; border-color: var(--oro); }
.formulario input[aria-invalid="true"] { border-color: #C46A5A; }
.formulario__nota { font-size: .85rem; color: var(--oro-claro); min-height: 1.2em; }

/* Pie */
.pie { border-top: 1px solid rgba(245, 240, 230, .08); padding: 2rem 0; }
.pie__fila { display: flex; justify-content: space-between; align-items: center; gap: 1rem; }
.pie p { color: var(--piedra); font-size: .85rem; }

/* WhatsApp flotante */
.whatsapp {
  position: fixed; right: 22px; bottom: 22px; z-index: 60;
  width: 58px; height: 58px; border-radius: 50%; display: grid; place-items: center;
  background: #25D366; box-shadow: 0 10px 30px -6px rgba(37, 211, 102, .55);
  transition: transform .2s;
}
.whatsapp:hover { transform: scale(1.08); }
.whatsapp svg { width: 30px; height: 30px; fill: #fff; }

/* Responsivo */
@media (max-width: 960px) {
  .hero__fila, .contacto, .destacado { grid-template-columns: 1fr; }
  .hero__fila { gap: 3rem; }
  .rejilla--3 { grid-template-columns: repeat(2, 1fr); }
  .pasos { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 760px) {
  .nav__cta { display: none; }
  .nav__hamburguesa {
    display: grid; gap: 6px; margin-left: auto; padding: 10px;
    background: none; border: 0; cursor: pointer;
  }
  .nav__hamburguesa span { width: 24px; height: 2px; background: var(--marfil); transition: transform .25s; }
  .nav.abierto .nav__hamburguesa span:first-child { transform: translateY(4px) rotate(45deg); }
  .nav.abierto .nav__hamburguesa span:last-child { transform: translateY(-4px) rotate(-45deg); }
  .nav__enlaces {
    position: absolute; top: 72px; left: 0; right: 0; flex-direction: column; gap: 0;
    background: rgba(13, 19, 33, .97); border-bottom: 1px solid rgba(201, 169, 97, .15);
    max-height: 0; overflow: hidden; transition: max-height .3s;
  }
  .nav__enlaces a { padding: 1rem 16px; border-top: 1px solid rgba(245, 240, 230, .06); }
  .nav.abierto { background: rgba(13, 19, 33, .97); }
  .nav.abierto .nav__enlaces { max-height: 320px; }

  .seccion { padding: 80px 0; }
  .rejilla--3, .pasos { grid-template-columns: 1fr; }
  .hero__datos { gap: 1.5rem; flex-wrap: wrap; }
  .chat__cuerpo { height: 400px; }
  .destacado, .formulario { padding: 1.6rem; }
  .galeria { grid-template-columns: 1fr 1fr; grid-auto-rows: 160px; }
  .galeria figure:nth-child(1) { grid-row: span 1; grid-column: span 2; }
  .galeria figure:nth-child(4) { grid-column: span 1; }
  .pie__fila { flex-direction: column; text-align: center; }
}

@media (max-width: 420px) {
  .chat__cuerpo { height: 450px; }
  .chat__giro { letter-spacing: .1em; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
  html { scroll-behavior: auto; }
}