/* =========================================================
   Marina Coach — Hoja de estilos principal
   Paleta natural · estética de bienestar · mobile-first
   ========================================================= */

:root {
  /* Paleta */
  --sage: #8a9a7b;
  --sage-dark: #5f6f52;
  --sage-light: #b9c5ab;
  --terracota: #c47b5a;
  --terracota-dark: #a5613f;
  --arena: #ede6da;
  --arena-clara: #f6f1e9;
  --crema: #fbf8f3;
  --carbon: #33352f;
  --carbon-suave: #57594f;
  --blanco: #ffffff;

  /* Tipografía */
  --serif: "Cormorant Garamond", Georgia, "Times New Roman", serif;
  --sans: "Nunito Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;

  /* Sombras y radios */
  --sombra-suave: 0 10px 40px -18px rgba(51, 53, 47, 0.35);
  --sombra-tarjeta: 0 18px 50px -24px rgba(51, 53, 47, 0.4);
  --radio: 18px;
  --radio-sm: 12px;

  /* Layout */
  --ancho-max: 1160px;
  --transicion: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ---------- Reset ligero ---------- */
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--sans);
  color: var(--carbon);
  background: var(--crema);
  line-height: 1.7;
  font-size: 17px;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
h1, h2, h3, h4 {
  font-family: var(--serif);
  font-weight: 600;
  line-height: 1.15;
  color: var(--carbon);
  margin: 0 0 0.5em;
}
h1 { font-size: clamp(2.5rem, 6vw, 4.2rem); }
h2 { font-size: clamp(1.9rem, 4vw, 2.9rem); }
h3 { font-size: clamp(1.35rem, 2.5vw, 1.7rem); }
p { margin: 0 0 1.1em; }

/* ---------- Utilidades ---------- */
.contenedor {
  width: 100%;
  max-width: var(--ancho-max);
  margin-inline: auto;
  padding-inline: clamp(1.2rem, 4vw, 2.5rem);
}
.seccion { padding-block: clamp(3.5rem, 8vw, 6.5rem); }
.centrado { text-align: center; }
.eyebrow {
  display: inline-block;
  font-family: var(--sans);
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  font-size: 0.72rem;
  color: var(--terracota-dark);
  margin-bottom: 1rem;
}
.plomo { color: var(--carbon-suave); }
.medida { max-width: 62ch; }
.medida.centrado { margin-inline: auto; }

/* ---------- Botones ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--sans);
  font-weight: 700;
  font-size: 0.95rem;
  padding: 0.85rem 1.7rem;
  border-radius: 999px;
  border: 1.5px solid transparent;
  cursor: pointer;
  transition: transform var(--transicion), box-shadow var(--transicion),
    background var(--transicion), color var(--transicion);
}
.btn:hover { transform: translateY(-2px); }
.btn-primario {
  background: var(--terracota);
  color: var(--blanco);
  box-shadow: var(--sombra-suave);
}
.btn-primario:hover { background: var(--terracota-dark); }
.btn-secundario {
  background: transparent;
  color: var(--sage-dark);
  border-color: var(--sage);
}
.btn-secundario:hover { background: var(--sage); color: var(--blanco); }
.btn-wsp { background: #25d366; color: #fff; }
.btn-wsp:hover { background: #1eb954; }

/* ---------- Header / Navegación ---------- */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(251, 248, 243, 0.82);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(51, 53, 47, 0.07);
}
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-block: 1rem;
}
.marca {
  font-family: var(--serif);
  font-size: 1.5rem;
  font-weight: 600;
  letter-spacing: 0.01em;
  display: flex;
  align-items: center;
  gap: 0.6rem;
}
.marca .punto { color: var(--terracota); }
.nav-links {
  display: flex;
  align-items: center;
  gap: 1.9rem;
  list-style: none;
  margin: 0;
  padding: 0;
}
.nav-links a {
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--carbon-suave);
  position: relative;
  transition: color var(--transicion);
}
.nav-links a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -6px;
  width: 0;
  height: 2px;
  background: var(--terracota);
  transition: width var(--transicion);
}
.nav-links a:hover,
.nav-links a.activo { color: var(--carbon); }
.nav-links a:hover::after,
.nav-links a.activo::after { width: 100%; }

.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.4rem;
}
.nav-toggle span {
  display: block;
  width: 26px;
  height: 2px;
  background: var(--carbon);
  margin: 6px 0;
  transition: var(--transicion);
}

/* ---------- Hero ---------- */
.hero {
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(120% 90% at 85% 10%, rgba(196, 123, 90, 0.18), transparent 55%),
    radial-gradient(90% 80% at 5% 90%, rgba(138, 154, 123, 0.22), transparent 55%),
    var(--crema);
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: clamp(2rem, 5vw, 4rem);
  align-items: center;
  padding-block: clamp(3rem, 7vw, 5.5rem);
}
.hero h1 { margin-bottom: 0.3em; }
.hero .lead {
  font-size: clamp(1.1rem, 1.6vw, 1.3rem);
  color: var(--carbon-suave);
  max-width: 46ch;
}
.hero-cta { display: flex; flex-wrap: wrap; gap: 1rem; margin-top: 1.8rem; }
.hero-media {
  position: relative;
  aspect-ratio: 4 / 5;
  border-radius: var(--radio);
  overflow: hidden;
  box-shadow: var(--sombra-tarjeta);
}

/* Marco de foto con placeholder */
.retrato {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.placeholder-foto {
  width: 100%;
  height: 100%;
  display: grid;
  place-items: center;
  text-align: center;
  color: var(--sage-dark);
  background:
    linear-gradient(135deg, var(--sage-light), var(--arena));
  font-family: var(--serif);
  font-size: 1.1rem;
  padding: 1.5rem;
}

/* Credenciales flotantes */
.badges {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-top: 1.8rem;
}
.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  background: var(--blanco);
  border: 1px solid rgba(51, 53, 47, 0.08);
  border-radius: 999px;
  padding: 0.45rem 0.95rem;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--carbon-suave);
  box-shadow: var(--sombra-suave);
}
.badge svg { color: var(--terracota); }

/* ---------- Franja de valores ---------- */
.franja {
  background: var(--sage-dark);
  color: var(--arena-clara);
}
.franja .contenedor {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  padding-block: clamp(2.2rem, 5vw, 3.2rem);
}
.franja-item h3 { color: var(--blanco); font-size: 1.25rem; margin-bottom: 0.2em; }
.franja-item p { color: rgba(255, 255, 255, 0.78); margin: 0; font-size: 0.95rem; }

/* ---------- Tarjetas de servicio ---------- */
.grid-servicios {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(270px, 1fr));
  gap: 1.6rem;
  margin-top: 2.5rem;
}
.tarjeta {
  background: var(--blanco);
  border: 1px solid rgba(51, 53, 47, 0.06);
  border-radius: var(--radio);
  padding: 2rem 1.8rem;
  box-shadow: var(--sombra-suave);
  transition: transform var(--transicion), box-shadow var(--transicion);
  display: flex;
  flex-direction: column;
}
.tarjeta:hover { transform: translateY(-6px); box-shadow: var(--sombra-tarjeta); }
.tarjeta-icono {
  width: 56px;
  height: 56px;
  border-radius: 14px;
  display: grid;
  place-items: center;
  margin-bottom: 1.2rem;
  background: var(--arena);
  color: var(--sage-dark);
  font-size: 1.6rem;
}
.tarjeta h3 { margin-bottom: 0.4em; }
.tarjeta p { color: var(--carbon-suave); font-size: 0.97rem; }
.tarjeta .btn { margin-top: auto; align-self: flex-start; }
.tag {
  display: inline-block;
  background: var(--arena-clara);
  color: var(--terracota-dark);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  padding: 0.3rem 0.75rem;
  border-radius: 999px;
  margin-bottom: 1rem;
  align-self: flex-start;
}

/* ---------- Bloque alterno (imagen + texto) ---------- */
.bloque {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(2rem, 5vw, 4rem);
  align-items: center;
}
.bloque.invertido .bloque-media { order: 2; }
.bloque-media {
  aspect-ratio: 5 / 4;
  border-radius: var(--radio);
  overflow: hidden;
  box-shadow: var(--sombra-tarjeta);
}
.lista-check { list-style: none; padding: 0; margin: 1.5rem 0 0; }
.lista-check li {
  position: relative;
  padding-left: 2rem;
  margin-bottom: 0.9rem;
  color: var(--carbon-suave);
}
.lista-check li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--terracota);
  box-shadow: 0 0 0 4px rgba(196, 123, 90, 0.18);
}

/* ---------- Pasos del enfoque ---------- */
.pasos {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 1.6rem;
  margin-top: 2.5rem;
  counter-reset: paso;
}
.paso {
  background: var(--arena-clara);
  border-radius: var(--radio);
  padding: 2rem 1.6rem;
  position: relative;
}
.paso::before {
  counter-increment: paso;
  content: "0" counter(paso);
  font-family: var(--serif);
  font-size: 2.4rem;
  color: var(--sage-light);
  display: block;
  margin-bottom: 0.5rem;
  line-height: 1;
}
.paso h3 { font-size: 1.3rem; }
.paso p { margin: 0; color: var(--carbon-suave); font-size: 0.95rem; }

/* ---------- Testimonios ---------- */
.grid-testimonios {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.6rem;
  margin-top: 2.5rem;
}
.testimonio {
  background: var(--blanco);
  border-radius: var(--radio);
  padding: 2rem;
  box-shadow: var(--sombra-suave);
  border: 1px solid rgba(51, 53, 47, 0.05);
}
.testimonio .comillas { font-family: var(--serif); font-size: 3rem; color: var(--sage-light); line-height: 0.5; }
.testimonio p { font-style: italic; color: var(--carbon); }
.testimonio .autor {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  margin-top: 1.2rem;
  font-style: normal;
}
.testimonio .avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--sage), var(--terracota));
  display: grid;
  place-items: center;
  color: #fff;
  font-weight: 700;
  font-family: var(--serif);
}
.testimonio .autor strong { display: block; font-size: 0.95rem; }
.testimonio .autor span { font-size: 0.82rem; color: var(--carbon-suave); }

/* ---------- Agenda / Talleres ---------- */
.evento {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 1.5rem;
  align-items: center;
  background: var(--blanco);
  border-radius: var(--radio);
  padding: 1.5rem 1.8rem;
  box-shadow: var(--sombra-suave);
  margin-bottom: 1.2rem;
  border: 1px solid rgba(51, 53, 47, 0.05);
  transition: transform var(--transicion);
}
.evento:hover { transform: translateX(4px); }
.evento-fecha {
  text-align: center;
  background: var(--arena);
  border-radius: var(--radio-sm);
  padding: 0.8rem 1.1rem;
  min-width: 78px;
}
.evento-fecha .dia { font-family: var(--serif); font-size: 1.9rem; line-height: 1; color: var(--terracota-dark); }
.evento-fecha .mes { text-transform: uppercase; font-size: 0.72rem; font-weight: 700; letter-spacing: 0.1em; color: var(--carbon-suave); }
.evento-info h3 { margin: 0 0 0.2em; font-size: 1.3rem; }
.evento-info p { margin: 0; font-size: 0.9rem; color: var(--carbon-suave); }
.evento-meta { display: flex; gap: 1rem; margin-top: 0.5rem; flex-wrap: wrap; }
.evento-meta span { font-size: 0.82rem; color: var(--sage-dark); font-weight: 600; }

/* ---------- Formulario ---------- */
.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.2rem;
}
.campo { display: flex; flex-direction: column; gap: 0.4rem; }
.campo.full { grid-column: 1 / -1; }
.campo label { font-weight: 700; font-size: 0.85rem; color: var(--carbon); }
.campo input,
.campo select,
.campo textarea {
  font-family: var(--sans);
  font-size: 1rem;
  padding: 0.85rem 1rem;
  border-radius: var(--radio-sm);
  border: 1.5px solid rgba(51, 53, 47, 0.15);
  background: var(--blanco);
  color: var(--carbon);
  transition: border-color var(--transicion), box-shadow var(--transicion);
}
.campo input:focus,
.campo select:focus,
.campo textarea:focus {
  outline: none;
  border-color: var(--sage);
  box-shadow: 0 0 0 4px rgba(138, 154, 123, 0.18);
}
.campo textarea { resize: vertical; min-height: 130px; }
.form-nota { font-size: 0.85rem; color: var(--carbon-suave); margin-top: 0.5rem; }
.form-ok {
  display: none;
  background: rgba(138, 154, 123, 0.15);
  border: 1px solid var(--sage);
  color: var(--sage-dark);
  border-radius: var(--radio-sm);
  padding: 1rem 1.2rem;
  font-weight: 600;
  margin-top: 1rem;
}
.form-ok.visible { display: block; }

/* ---------- Tarjetas de contacto ---------- */
.grid-contacto {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.4rem;
  margin-top: 2.5rem;
}
.contacto-tarjeta {
  background: var(--blanco);
  border-radius: var(--radio);
  padding: 2rem 1.6rem;
  text-align: center;
  box-shadow: var(--sombra-suave);
  border: 1px solid rgba(51, 53, 47, 0.05);
  transition: transform var(--transicion);
}
.contacto-tarjeta:hover { transform: translateY(-5px); }
.contacto-tarjeta .icono {
  width: 54px; height: 54px; border-radius: 50%;
  display: grid; place-items: center; margin: 0 auto 1rem;
  background: var(--arena); color: var(--sage-dark);
}
.contacto-tarjeta h3 { font-size: 1.25rem; }
.contacto-tarjeta a { color: var(--terracota-dark); font-weight: 700; }

/* ---------- CTA final ---------- */
.cta-final {
  background:
    radial-gradient(100% 120% at 100% 0%, rgba(196, 123, 90, 0.25), transparent 55%),
    var(--sage-dark);
  color: var(--blanco);
  border-radius: var(--radio);
  padding: clamp(2.5rem, 6vw, 4.5rem);
  text-align: center;
}
.cta-final h2 { color: var(--blanco); }
.cta-final p { color: rgba(255, 255, 255, 0.85); max-width: 50ch; margin-inline: auto; }
.cta-final .hero-cta { justify-content: center; }

/* ---------- Footer ---------- */
.footer {
  background: var(--carbon);
  color: rgba(255, 255, 255, 0.72);
  padding-block: clamp(2.5rem, 5vw, 3.5rem) 1.8rem;
  margin-top: 4rem;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 2rem;
}
.footer h4 { color: #fff; font-family: var(--sans); font-size: 0.9rem; letter-spacing: 0.08em; text-transform: uppercase; margin-bottom: 1rem; }
.footer .marca { color: #fff; margin-bottom: 0.8rem; }
.footer ul { list-style: none; padding: 0; margin: 0; }
.footer li { margin-bottom: 0.6rem; }
.footer a { color: rgba(255, 255, 255, 0.72); transition: color var(--transicion); }
.footer a:hover { color: #fff; }
.footer-social { display: flex; gap: 0.8rem; margin-top: 1rem; }
.footer-social a {
  width: 40px; height: 40px; border-radius: 50%;
  display: grid; place-items: center;
  background: rgba(255, 255, 255, 0.08);
  transition: background var(--transicion);
}
.footer-social a:hover { background: var(--terracota); }
.footer-base {
  margin-top: 2.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.5rem;
  font-size: 0.85rem;
}

/* ---------- Botón flotante WhatsApp ---------- */
.wsp-flotante {
  position: fixed;
  bottom: 1.4rem;
  right: 1.4rem;
  z-index: 90;
  width: 58px;
  height: 58px;
  border-radius: 50%;
  background: #25d366;
  color: #fff;
  display: grid;
  place-items: center;
  box-shadow: 0 12px 30px -8px rgba(37, 211, 102, 0.6);
  transition: transform var(--transicion);
}
.wsp-flotante:hover { transform: scale(1.08); }

/* ---------- Animaciones de aparición ---------- */
/* Solo se ocultan si hay JS (clase .js en <html>): sin JS, todo visible. */
.js .reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.js .reveal.visible { opacity: 1; transform: none; }

/* ---------- Responsive ---------- */
@media (max-width: 860px) {
  .nav-toggle { display: block; }
  /* Sin backdrop-filter en móvil: evita que el header sea el bloque
     contenedor del drawer fixed (lo mantendría contenido y no a pantalla completa). */
  .header { backdrop-filter: none; background: var(--crema); }
  .nav-links {
    position: fixed;
    inset: 0 0 0 auto;
    z-index: 200;
    width: min(78vw, 320px);
    flex-direction: column;
    align-items: flex-start;
    gap: 1.5rem;
    background: var(--crema);
    padding: 6rem 2rem 2rem;
    transform: translateX(100%);
    transition: transform var(--transicion);
    box-shadow: -20px 0 60px -30px rgba(0, 0, 0, 0.4);
  }
  .nav-links.abierto { transform: none; }
  .nav-abierto .nav-toggle span:nth-child(1) { transform: translateY(8px) rotate(45deg); }
  .nav-abierto .nav-toggle span:nth-child(2) { opacity: 0; }
  .nav-abierto .nav-toggle span:nth-child(3) { transform: translateY(-8px) rotate(-45deg); }

  .hero-grid { grid-template-columns: 1fr; }
  .hero-media { max-width: 420px; margin-inline: auto; order: -1; }
  .bloque { grid-template-columns: 1fr; }
  .bloque.invertido .bloque-media { order: -1; }
  .franja .contenedor { grid-template-columns: 1fr; gap: 1.4rem; text-align: center; }
  .footer-grid { grid-template-columns: 1fr; }
  .form-grid { grid-template-columns: 1fr; }
  .evento { grid-template-columns: auto 1fr; }
  .evento .btn { grid-column: 1 / -1; justify-self: start; }
}

@media (prefers-reduced-motion: reduce) {
  * { scroll-behavior: auto; }
  .js .reveal { opacity: 1; transform: none; transition: none; }
}