/* ============================================================================
   HELÉNICA FOTOGRAFÍA — SISTEMA DE DISEÑO + LANDING
   Paleta: negro carbón · marfil · dorado champán · blush
   Tipografías: Cormorant Garamond (títulos) · Jost (texto/UI)
   ============================================================================ */

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
ul { list-style: none; }

/* ---------- Tokens ---------- */
:root {
  --negro:        #1b1815;
  --carbon:       #2b2723;
  --grafito:      #4a423b;
  --marfil:       #f8f4ec;
  --marfil-2:     #f1e6dd;
  --crema:        #efe6d8;
  --blush:        #ecd9d0;
  --dorado:       #c19a5b;
  --dorado-osc:   #a67f45;
  --dorado-claro: #e3cfa4;
  --texto:        #2c2823;
  --texto-suave:  #6f665c;
  --blanco:       #ffffff;
  --linea:        #e4dccd;
  --exito:        #2f9e6f;
  --wa:           #25d366;

  --sombra-sm: 0 2px 10px rgba(40, 33, 22, .06);
  --sombra:    0 12px 40px rgba(40, 33, 22, .10);
  --sombra-lg: 0 30px 70px rgba(40, 33, 22, .16);

  --radio: 14px;
  --radio-sm: 9px;
  --contenedor: 1180px;
  --trans: .35s cubic-bezier(.22,.61,.36,1);

  --serif: "Cormorant Garamond", "Times New Roman", serif;
  --sans:  "Jost", "Segoe UI", system-ui, sans-serif;
}

/* ---------- Base ---------- */
body {
  font-family: var(--sans);
  color: var(--texto);
  background: var(--marfil);
  line-height: 1.65;
  font-size: 17px;
  overflow-x: hidden;
}
.contenedor { width: 100%; max-width: var(--contenedor); margin-inline: auto; padding-inline: clamp(20px, 5vw, 40px); }

h1, h2, h3, h4 { font-family: var(--serif); font-weight: 600; line-height: 1.1; color: var(--negro); }

/* Eyebrow / rótulo dorado sobre los títulos */
.rotulo {
  display: inline-block;
  font-family: var(--sans);
  font-size: .74rem; letter-spacing: .32em; text-transform: uppercase;
  color: var(--dorado-osc); font-weight: 600; margin-bottom: 14px;
}
.rotulo::before { content: "— "; }
.rotulo::after  { content: " —"; }

/* ---------- Secciones ---------- */
.seccion { padding: clamp(64px, 9vw, 120px) 0; }
.seccion--marfil { background: var(--marfil); }
.seccion--crema  { background: linear-gradient(180deg, var(--marfil) 0%, #f2eadc 100%); }
.seccion--oscura { background: var(--negro); color: var(--marfil); }
.seccion--oscura h2, .seccion--oscura h3 { color: var(--marfil); }
.seccion__cab { text-align: center; max-width: 640px; margin: 0 auto clamp(40px, 6vw, 64px); }
.seccion__titulo { font-size: clamp(2.1rem, 5vw, 3.4rem); }
.seccion__sub { color: var(--texto-suave); margin-top: 14px; font-size: 1.05rem; }
.seccion--oscura .seccion__sub { color: #c9bfae; }

/* ---------- Botones ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  padding: 15px 30px; border-radius: 100px;
  font-family: var(--sans); font-weight: 500; font-size: .95rem; letter-spacing: .04em;
  transition: var(--trans); cursor: pointer; text-align: center; line-height: 1;
}
.btn--primario { background: var(--negro); color: var(--marfil); }
.btn--primario:hover { background: var(--dorado-osc); transform: translateY(-2px); box-shadow: var(--sombra); }
.btn--dorado { background: var(--dorado); color: #fff; }
.btn--dorado:hover { background: var(--dorado-osc); transform: translateY(-2px); box-shadow: var(--sombra); }
.btn--outline { border: 1.5px solid currentColor; color: var(--negro); }
.btn--outline:hover { background: var(--negro); color: var(--marfil); border-color: var(--negro); }
.btn--claro { background: rgba(255,255,255,.14); color: #fff; border: 1.5px solid rgba(255,255,255,.6); backdrop-filter: blur(6px); }
.btn--claro:hover { background: #fff; color: var(--negro); }
.btn--wa { background: var(--wa); color: #fff; }
.btn--wa:hover { background: #1eb457; transform: translateY(-2px); box-shadow: var(--sombra); }
.btn--grande { padding: 18px 40px; font-size: 1.02rem; }
.btn--bloque { width: 100%; }

/* ============================================================================
   ENCABEZADO / NAV
   ============================================================================ */
.encabezado {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  transition: var(--trans);
  padding: 18px 0;
}
.encabezado__inner { display: flex; align-items: center; justify-content: space-between; }
.encabezado__logo img { height: 46px; width: auto; transition: var(--trans); filter: brightness(0) invert(1); }
.encabezado.solido { background: rgba(248,244,236,.92); backdrop-filter: blur(12px); box-shadow: var(--sombra-sm); padding: 12px 0; }
.encabezado.solido .encabezado__logo img { filter: none; height: 40px; }
.encabezado.solido .nav a { color: var(--texto); }
.encabezado.solido .nav__toggle span { background: var(--negro); }

.nav { display: flex; align-items: center; gap: 30px; }
.nav a { color: rgba(255,255,255,.92); font-size: .93rem; letter-spacing: .05em; font-weight: 400; transition: color .2s; position: relative; }
.nav a:not(.btn)::after { content: ""; position: absolute; left: 0; bottom: -5px; width: 0; height: 1.5px; background: var(--dorado); transition: width .3s; }
.nav a:not(.btn):hover::after { width: 100%; }
.nav .btn { padding: 11px 22px; }
.encabezado.solido .nav .btn--claro { background: var(--negro); color: var(--marfil); border-color: var(--negro); }

.nav__toggle { display: none; flex-direction: column; gap: 5px; padding: 8px; z-index: 110; }
.nav__toggle span { width: 26px; height: 2px; background: #fff; transition: var(--trans); border-radius: 2px; }

/* ============================================================================
   HERO
   ============================================================================ */
.hero {
  position: relative; min-height: 100svh; display: flex; align-items: center; justify-content: center;
  text-align: center; color: #fff; overflow: hidden;
}
.hero__bg { position: absolute; inset: 0; z-index: -2; }
.hero__bg img { width: 100%; height: 100%; object-fit: cover; }
.hero::after {
  content: ""; position: absolute; inset: 0; z-index: -1;
  background: linear-gradient(180deg, rgba(20,16,12,.55) 0%, rgba(20,16,12,.35) 40%, rgba(20,16,12,.72) 100%);
}
.hero__contenido { max-width: 820px; padding: 100px 24px 60px; animation: subir 1.1s var(--trans) both; }
.hero__logo { height: clamp(64px, 12vw, 104px); margin: 0 auto 26px; filter: brightness(0) invert(1); }
.hero__titulo { font-size: clamp(2.6rem, 7vw, 5rem); line-height: 1.02; font-weight: 500; text-shadow: 0 2px 30px rgba(0,0,0,.3); }
.hero__titulo em { font-style: italic; color: var(--dorado-claro); }
.hero__sub { font-size: clamp(1rem, 2.2vw, 1.25rem); font-weight: 300; margin: 22px auto 8px; max-width: 560px; color: #f0e9dc; letter-spacing: .02em; }
.hero__acciones { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; margin-top: 34px; }
.hero__scroll { position: absolute; bottom: 26px; left: 50%; transform: translateX(-50%); color: rgba(255,255,255,.75); font-size: .72rem; letter-spacing: .3em; text-transform: uppercase; animation: flotar 2.4s ease-in-out infinite; }

@keyframes subir { from { opacity: 0; transform: translateY(30px); } to { opacity: 1; transform: none; } }
@keyframes flotar { 0%,100% { transform: translateX(-50%) translateY(0); } 50% { transform: translateX(-50%) translateY(-8px); } }

/* Cinta de confianza bajo el hero */
.confianza { background: var(--negro); color: var(--marfil); padding: 20px 0; }
.confianza__inner { display: flex; flex-wrap: wrap; justify-content: center; gap: 14px 44px; text-align: center; }
.confianza__item { font-size: .82rem; letter-spacing: .14em; text-transform: uppercase; color: #cdbfaa; display: flex; align-items: center; gap: 10px; }
.confianza__item b { color: var(--dorado-claro); font-family: var(--serif); font-size: 1.5rem; letter-spacing: 0; }

/* ============================================================================
   SERVICIOS
   ============================================================================ */
.servicios { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 22px; }
.servicio {
  background: var(--blanco); border: 1px solid var(--linea); border-radius: var(--radio);
  padding: 38px 30px; text-align: center; transition: var(--trans);
}
.servicio:hover { transform: translateY(-6px); box-shadow: var(--sombra); border-color: var(--dorado-claro); }
.servicio__icono { font-size: 2.4rem; display: block; margin-bottom: 16px; }
.servicio h3 { font-size: 1.7rem; margin-bottom: 8px; }
.servicio p { color: var(--texto-suave); font-size: .96rem; }

/* ============================================================================
   PROCESO (4 pasos)
   ============================================================================ */
.proceso { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 30px; counter-reset: paso; }
.paso { text-align: center; position: relative; }
.paso__num {
  counter-increment: paso; width: 66px; height: 66px; margin: 0 auto 18px; border-radius: 50%;
  border: 1.5px solid var(--dorado); color: var(--dorado-osc);
  display: flex; align-items: center; justify-content: center; font-family: var(--serif); font-size: 1.8rem;
}
.paso__num::before { content: counter(paso); }
.paso h3 { font-size: 1.4rem; margin-bottom: 6px; }
.paso p { color: var(--texto-suave); font-size: .92rem; }

/* ============================================================================
   PAQUETES
   ============================================================================ */
.paquetes__tabs { display: flex; justify-content: center; gap: 10px; margin-bottom: 46px; flex-wrap: wrap; }
.tab {
  padding: 11px 26px; border-radius: 100px; font-size: .9rem; letter-spacing: .05em;
  color: var(--texto-suave); border: 1.5px solid var(--linea); transition: var(--trans); background: var(--blanco);
}
.tab.activo { background: var(--negro); color: var(--marfil); border-color: var(--negro); }
.tab:hover:not(.activo) { border-color: var(--dorado); color: var(--dorado-osc); }

.paquetes { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 26px; align-items: stretch; }
.paquete {
  background: var(--blanco); border: 1px solid var(--linea); border-radius: var(--radio);
  padding: 40px 32px; display: flex; flex-direction: column; position: relative; transition: var(--trans);
}
.paquete:hover { transform: translateY(-6px); box-shadow: var(--sombra); }
.paquete--destacado {
  border: 2px solid var(--dorado); box-shadow: var(--sombra); transform: scale(1.03);
  background: linear-gradient(180deg, #fffdf8 0%, #fff 100%);
}
.paquete--destacado:hover { transform: scale(1.03) translateY(-6px); }
.paquete__cinta {
  position: absolute; top: -14px; left: 50%; transform: translateX(-50%);
  background: var(--dorado); color: #fff; font-size: .72rem; letter-spacing: .16em; text-transform: uppercase;
  padding: 7px 20px; border-radius: 100px; font-weight: 600; white-space: nowrap; box-shadow: var(--sombra-sm);
}
.paquete__nombre { font-size: 2.1rem; margin-bottom: 4px; }
.paquete__gancho { color: var(--texto-suave); font-size: .93rem; min-height: 42px; margin-bottom: 18px; }
.paquete__precio { display: flex; align-items: baseline; gap: 10px; flex-wrap: wrap; margin-bottom: 4px; }
.paquete__precio-num { font-family: var(--serif); font-size: 2.6rem; color: var(--negro); font-weight: 600; }
.paquete__precio-ancla { color: var(--texto-suave); text-decoration: line-through; font-size: 1.1rem; }
.paquete__duracion { color: var(--dorado-osc); font-size: .86rem; letter-spacing: .05em; margin-bottom: 22px; }
.paquete__lista { display: flex; flex-direction: column; gap: 11px; margin-bottom: 28px; flex: 1; }
.paquete__lista li { display: flex; gap: 10px; font-size: .93rem; color: var(--grafito); }
.paquete__lista li::before { content: "✓"; color: var(--dorado); font-weight: 700; flex-shrink: 0; }
.paquete__video { display: inline-block; background: var(--blush); color: var(--carbon); font-size: .74rem; letter-spacing: .1em; text-transform: uppercase; padding: 5px 12px; border-radius: 100px; margin-bottom: 16px; width: fit-content; }
.paquete .btn { margin-top: auto; }

.paquetes__nota { text-align: center; margin-top: 30px; color: var(--texto-suave); font-size: .9rem; }
.paquetes__nota a { color: var(--dorado-osc); border-bottom: 1px solid; }

/* ============================================================================
   GALERÍA
   ============================================================================ */
.galeria { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 16px; }
.galeria__item { position: relative; border-radius: var(--radio); overflow: hidden; cursor: pointer; aspect-ratio: 4/5; background: var(--crema); }
.galeria__item img { width: 100%; height: 100%; object-fit: cover; transition: transform .8s var(--trans); }
.galeria__item:hover img { transform: scale(1.07); }
.galeria__item::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, transparent 45%, rgba(20,16,12,.78) 100%); opacity: .85; transition: var(--trans); }
.galeria__cap { position: absolute; bottom: 0; left: 0; right: 0; padding: 24px; z-index: 2; color: #fff; transform: translateY(6px); transition: var(--trans); }
.galeria__item:hover .galeria__cap { transform: none; }
.galeria__cap h3 { color: #fff; font-size: 1.6rem; }
.galeria__cap span { font-size: .8rem; letter-spacing: .12em; text-transform: uppercase; color: var(--dorado-claro); }
.galeria__cap small { display: block; margin-top: 6px; font-size: .78rem; color: #e8e0d2; opacity: 0; transition: var(--trans); }
.galeria__item:hover .galeria__cap small { opacity: 1; }

/* Lightbox */
.lightbox { position: fixed; inset: 0; z-index: 200; background: rgba(15,12,9,.96); display: none; align-items: center; justify-content: center; }
.lightbox.abierto { display: flex; animation: aparecer .3s ease; }
.lightbox__img { max-width: 90vw; max-height: 84vh; border-radius: 8px; box-shadow: var(--sombra-lg); object-fit: contain; }
.lightbox__cerrar { position: absolute; top: 22px; right: 28px; color: #fff; font-size: 2.4rem; line-height: 1; opacity: .8; }
.lightbox__cerrar:hover { opacity: 1; }
.lightbox__nav { position: absolute; top: 50%; transform: translateY(-50%); color: #fff; font-size: 3rem; opacity: .6; padding: 20px; user-select: none; }
.lightbox__nav:hover { opacity: 1; }
.lightbox__nav--prev { left: 10px; } .lightbox__nav--next { right: 10px; }
.lightbox__contador { position: absolute; bottom: 22px; left: 50%; transform: translateX(-50%); color: rgba(255,255,255,.7); font-size: .85rem; letter-spacing: .1em; }
@keyframes aparecer { from { opacity: 0; } to { opacity: 1; } }

/* ============================================================================
   MOSAICO DE MOMENTOS (banda de imágenes)
   ============================================================================ */
.mosaico { display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px; }
.mosaico img { width: 100%; height: 100%; object-fit: cover; aspect-ratio: 1; transition: var(--trans); }
.mosaico img:hover { filter: brightness(1.08) saturate(1.05); }

/* ============================================================================
   TESTIMONIOS
   ============================================================================ */
.testimonios { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 24px; }
.testimonio { background: var(--blanco); border-radius: var(--radio); padding: 36px 32px; box-shadow: var(--sombra-sm); border: 1px solid var(--linea); }
.testimonio__estrellas { color: var(--dorado); letter-spacing: 3px; margin-bottom: 14px; }
.testimonio__texto { font-family: var(--serif); font-size: 1.32rem; font-style: italic; color: var(--carbon); line-height: 1.5; margin-bottom: 20px; }
.testimonio__autor { font-weight: 500; font-size: .95rem; }
.testimonio__evento { color: var(--dorado-osc); font-size: .82rem; letter-spacing: .08em; text-transform: uppercase; }

/* ============================================================================
   PRODUCTOS
   ============================================================================ */
.productos { display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); gap: 20px; }
.producto { background: var(--blanco); border: 1px solid var(--linea); border-radius: var(--radio); padding: 28px; transition: var(--trans); }
.producto:hover { border-color: var(--dorado-claro); box-shadow: var(--sombra-sm); }
.producto h3 { font-size: 1.4rem; margin-bottom: 6px; }
.producto p { color: var(--texto-suave); font-size: .9rem; margin-bottom: 14px; min-height: 40px; }
.producto__precio { font-family: var(--serif); font-size: 1.7rem; color: var(--dorado-osc); }

/* ============================================================================
   SOBRE ELENA
   ============================================================================ */
.sobre { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(30px, 6vw, 70px); align-items: center; }
.sobre__foto { border-radius: var(--radio); overflow: hidden; box-shadow: var(--sombra); aspect-ratio: 4/5; }
.sobre__foto img { width: 100%; height: 100%; object-fit: cover; }
.sobre__texto h2 { font-size: clamp(2rem, 4.5vw, 3rem); margin-bottom: 18px; }
.sobre__texto p { color: var(--texto-suave); margin-bottom: 16px; }
.sobre__firma { font-family: var(--serif); font-style: italic; font-size: 1.6rem; color: var(--dorado-osc); }

/* ============================================================================
   CTA FINAL
   ============================================================================ */
.cta-final { text-align: center; position: relative; overflow: hidden; }
.cta-final__bg { position: absolute; inset: 0; z-index: 0; }
.cta-final__bg img { width: 100%; height: 100%; object-fit: cover; }
.cta-final::after { content: ""; position: absolute; inset: 0; background: rgba(18,14,10,.78); z-index: 1; }
.cta-final .contenedor { position: relative; z-index: 2; }
.cta-final h2 { color: #fff; font-size: clamp(2.2rem, 5.5vw, 3.8rem); }
.cta-final p { color: #e7ded0; max-width: 560px; margin: 16px auto 34px; }

/* ============================================================================
   PIE
   ============================================================================ */
.pie { background: var(--negro); color: #c9bfae; padding: 70px 0 34px; }
.pie__grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 40px; margin-bottom: 46px; }
.pie__logo { height: 54px; filter: brightness(0) invert(1); margin-bottom: 18px; }
.pie h4 { color: var(--marfil); font-family: var(--sans); font-size: .82rem; letter-spacing: .18em; text-transform: uppercase; margin-bottom: 18px; }
.pie a { display: block; color: #c9bfae; padding: 5px 0; transition: color .2s; font-size: .95rem; }
.pie a:hover { color: var(--dorado-claro); }
.pie__fin { border-top: 1px solid rgba(255,255,255,.1); padding-top: 24px; text-align: center; font-size: .82rem; color: #8f8676; }
.pie__fin a { display: inline; color: var(--dorado-claro); }

/* ============================================================================
   BOTÓN FLOTANTE WHATSAPP
   ============================================================================ */
.wa-flotante {
  position: fixed; bottom: 24px; right: 24px; z-index: 90;
  width: 60px; height: 60px; border-radius: 50%; background: var(--wa); color: #fff;
  display: flex; align-items: center; justify-content: center; font-size: 1.9rem;
  box-shadow: 0 8px 26px rgba(37,211,102,.5); transition: var(--trans);
}
.wa-flotante:hover { transform: scale(1.1); }
.wa-flotante::after { content: ""; position: absolute; inset: 0; border-radius: 50%; border: 2px solid var(--wa); animation: pulso 2s infinite; }
@keyframes pulso { 0% { transform: scale(1); opacity: .8; } 100% { transform: scale(1.6); opacity: 0; } }

/* ---------- Animación de aparición al hacer scroll ---------- */
.reveal { opacity: 0; transform: translateY(34px); transition: opacity .8s ease, transform .8s var(--trans); }
.reveal.visible { opacity: 1; transform: none; }

/* ============================================================================
   RESPONSIVE
   ============================================================================ */
@media (max-width: 860px) {
  .nav {
    position: fixed; inset: 0 0 0 auto; width: min(80vw, 320px);
    background: var(--marfil); flex-direction: column; align-items: flex-start; justify-content: center;
    padding: 60px 40px; gap: 26px; transform: translateX(100%); transition: var(--trans);
    box-shadow: var(--sombra-lg);
  }
  .nav.abierto { transform: none; }
  .nav a { color: var(--texto) !important; font-size: 1.15rem; }
  .nav .btn { width: 100%; }
  .nav__toggle { display: flex; }
  .nav.abierto ~ .nav__toggle span { background: var(--negro); }
  .sobre { grid-template-columns: 1fr; }
  .pie__grid { grid-template-columns: 1fr; gap: 28px; text-align: center; }
  .pie__logo { margin-inline: auto; }
  .mosaico { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 520px) {
  body { font-size: 16px; }
  .btn { padding: 14px 24px; }
  .hero__acciones { flex-direction: column; }
  .hero__acciones .btn { width: 100%; }
}