:root {
  --verde: #22372b;
  --verde-osc: #182920;
  --verde-claro: #35503f;
  --marfil: #f7f4ec;
  --marfil-osc: #ece6d8;
  --linea: #e2dbc9;
  --bronce: #a67c52;
  --bronce-osc: #8a6440;
  --tinta: #262622;
  --tinta-suave: #6f6a5e;
  --blanco: #fffefb;
  --radio: 10px;
  --sombra: 0 2px 24px rgba(38, 38, 34, 0.06);
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  font-family: "Inter", "Segoe UI", system-ui, sans-serif;
  color: var(--tinta);
  background: var(--marfil);
  line-height: 1.65;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, .nav-logo, .footer-logo {
  font-family: "Fraunces", Georgia, serif;
  font-weight: 500;
  letter-spacing: -0.01em;
}

/* ---------- Nav ---------- */
.nav {
  position: sticky; top: 0; z-index: 50;
  display: flex; justify-content: space-between; align-items: center;
  padding: 1rem clamp(1.2rem, 5vw, 4rem);
  background: rgba(247, 244, 236, 0.9);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--linea);
}
.nav-logo {
  font-size: 1.35rem; color: var(--verde); text-decoration: none; font-weight: 600;
}
.nav-logo span { color: var(--bronce); }
.nav-links { display: flex; gap: 2rem; align-items: center; }
.nav-links a {
  color: var(--tinta); text-decoration: none; font-size: 0.85rem;
  text-transform: uppercase; letter-spacing: 0.12em; font-weight: 500;
}
.nav-links a:hover { color: var(--bronce-osc); }
.nav-cta {
  background: var(--verde); color: var(--marfil) !important;
  padding: 0.6rem 1.3rem; border-radius: var(--radio);
}
.nav-cta:hover { background: var(--verde-claro); color: var(--marfil) !important; }

/* ---------- Hero ---------- */
.hero {
  min-height: 92vh;
  display: flex; align-items: center; justify-content: center; text-align: center;
  background:
    radial-gradient(ellipse 90% 70% at 50% 115%, rgba(166, 124, 82, 0.22), transparent 65%),
    radial-gradient(ellipse 70% 55% at 15% -10%, rgba(53, 80, 63, 0.85), transparent 70%),
    linear-gradient(170deg, var(--verde) 20%, var(--verde-osc) 100%);
  color: var(--marfil);
  padding: 5rem 1.2rem;
}
.hero-kicker {
  text-transform: uppercase; letter-spacing: 0.45em; font-size: 0.78rem;
  color: #c9a87c; font-weight: 500; margin-bottom: 1.4rem;
}
.hero h1 {
  font-size: clamp(3.4rem, 10vw, 6.5rem); line-height: 1.02; color: var(--marfil);
  font-weight: 500;
}
.hero-divisor {
  width: 72px; height: 1px; background: var(--bronce);
  margin: 2rem auto;
  position: relative;
}
.hero-divisor::after {
  content: ""; position: absolute; left: 50%; top: 50%;
  width: 7px; height: 7px; background: var(--bronce);
  transform: translate(-50%, -50%) rotate(45deg);
}
.hero-sub {
  margin: 0 auto 2.8rem; max-width: 36rem;
  color: rgba(247, 244, 236, 0.82); font-size: 1.08rem; font-weight: 400;
}
.hero-actions { display: flex; gap: 1rem; justify-content: center; flex-wrap: wrap; }

/* ---------- Botones ---------- */
.btn {
  display: inline-block; border: none; cursor: pointer; text-decoration: none;
  padding: 0.9rem 2rem; border-radius: var(--radio);
  font-size: 0.85rem; font-weight: 600; font-family: inherit;
  text-transform: uppercase; letter-spacing: 0.1em;
  transition: background 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}
.btn-primario { background: var(--bronce); color: var(--blanco); }
.btn-primario:hover { background: var(--bronce-osc); }
.btn-secundario {
  background: transparent; color: var(--marfil);
  border: 1px solid rgba(247, 244, 236, 0.5);
}
.btn-secundario:hover { border-color: var(--marfil); background: rgba(247, 244, 236, 0.08); }
.btn-block { width: 100%; }
.btn[disabled] { opacity: 0.6; cursor: wait; }

/* ---------- Secciones ---------- */
.seccion {
  padding: 6.5rem clamp(1.2rem, 6vw, 4rem);
  max-width: 1120px; margin: 0 auto; scroll-margin-top: 3.5rem;
}
.seccion-alt {
  max-width: none;
  background: var(--verde);
  color: var(--marfil);
}
.seccion-alt > * { max-width: 1120px; margin-left: auto; margin-right: auto; }
.seccion h2 {
  font-size: clamp(2rem, 4.5vw, 2.8rem); text-align: center; color: var(--verde);
}
.seccion-alt h2 { color: var(--marfil); }
.seccion-sub {
  text-align: center; color: var(--tinta-suave);
  margin: 0.8rem auto 3.5rem; max-width: 36rem; font-size: 1rem;
}
.seccion-alt .seccion-sub { color: rgba(247, 244, 236, 0.65); }

/* ---------- Features ---------- */
.features { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 1.2rem; }
.feature {
  background: var(--blanco); border: 1px solid var(--linea);
  border-radius: var(--radio); padding: 2rem 1.8rem;
  box-shadow: var(--sombra);
}
.feature-icono {
  display: inline-flex; width: 44px; height: 44px; margin-bottom: 1.1rem;
  color: var(--bronce);
  align-items: center; justify-content: center;
  border: 1px solid var(--linea); border-radius: 50%;
  background: var(--marfil);
}
.feature-icono svg { width: 22px; height: 22px; }
.feature h3 { color: var(--verde); margin-bottom: 0.45rem; font-size: 1.15rem; }
.feature p { color: var(--tinta-suave); font-size: 0.93rem; }

/* ---------- Tarjetas compartidas ---------- */
.presu-form, .presu-resultado, .calendario-wrap, .reserva-form {
  background: var(--blanco); color: var(--tinta);
  border: 1px solid var(--linea);
  border-radius: var(--radio); padding: 2rem; box-shadow: var(--sombra);
}

/* ---------- Presupuestador ---------- */
.presu { display: grid; grid-template-columns: 1.2fr 1fr; gap: 1.4rem; align-items: start; }
.campo { display: block; margin-bottom: 1.3rem; }
.campo > span {
  display: block; font-weight: 600; margin-bottom: 0.4rem; font-size: 0.8rem;
  text-transform: uppercase; letter-spacing: 0.08em; color: var(--verde);
}
.campo input[type="text"], .campo input[type="tel"], .campo input[type="email"],
.campo input[type="number"], .campo select, .campo textarea {
  width: 100%; padding: 0.7rem 0.85rem; border: 1px solid var(--linea);
  border-radius: 8px; font-size: 0.97rem; font-family: inherit;
  background: var(--blanco); color: var(--tinta);
}
.campo input:focus, .campo select:focus, .campo textarea:focus {
  outline: none; border-color: var(--bronce);
  box-shadow: 0 0 0 3px rgba(166, 124, 82, 0.15);
}
.campo input[type="range"] { width: 100%; accent-color: var(--bronce); }
.campo strong { color: var(--bronce-osc); }
.extras { border: 1px solid var(--linea); border-radius: 8px; padding: 1rem 1.1rem; }
.extras legend {
  font-weight: 600; font-size: 0.8rem; padding: 0 0.4rem;
  text-transform: uppercase; letter-spacing: 0.08em; color: var(--verde);
}
.extras label { display: flex; align-items: center; gap: 0.55rem; margin: 0.5rem 0; font-size: 0.95rem; }
.extras input { accent-color: var(--bronce); width: 1.05rem; height: 1.05rem; }
.extras em { color: var(--tinta-suave); font-style: normal; font-size: 0.83rem; }

.presu-resultado h3 { color: var(--verde); margin-bottom: 1.2rem; font-size: 1.4rem; }
.presu-detalle { list-style: none; margin-bottom: 1rem; }
.presu-detalle li {
  display: flex; justify-content: space-between; gap: 1rem;
  padding: 0.5rem 0; border-bottom: 1px solid var(--marfil-osc); font-size: 0.93rem;
}
.presu-detalle li span:last-child { white-space: nowrap; font-variant-numeric: tabular-nums; color: var(--tinta-suave); }
.presu-total {
  display: flex; justify-content: space-between; align-items: baseline;
  padding-top: 0.9rem; margin-bottom: 0.9rem;
}
.presu-total span {
  font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.08em; font-weight: 600;
  color: var(--verde);
}
.presu-total strong {
  font-family: "Fraunces", Georgia, serif; font-weight: 600;
  font-size: 1.9rem; color: var(--bronce-osc); font-variant-numeric: tabular-nums;
}
.presu-nota { font-size: 0.8rem; color: var(--tinta-suave); margin-bottom: 1.4rem; }

/* ---------- Reserva ---------- */
.reserva { display: grid; grid-template-columns: 1fr 1.1fr; gap: 1.4rem; align-items: start; }
.cal-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 1.2rem; }
.cal-header span {
  font-family: "Fraunces", Georgia, serif; font-weight: 600; font-size: 1.1rem;
  color: var(--verde); text-transform: capitalize;
}
.cal-header button {
  border: 1px solid var(--linea); background: var(--blanco);
  width: 2.3rem; height: 2.3rem; border-radius: 8px;
  font-size: 1.25rem; cursor: pointer; color: var(--verde); line-height: 1;
}
.cal-header button:hover:not(:disabled) { background: var(--marfil); border-color: var(--bronce); }
.cal-header button:disabled { opacity: 0.35; cursor: not-allowed; }
.cal-grid { display: grid; grid-template-columns: repeat(7, 1fr); gap: 0.3rem; }
.cal-dias {
  margin-bottom: 0.5rem; text-align: center; font-size: 0.72rem;
  color: var(--tinta-suave); font-weight: 600; letter-spacing: 0.08em;
}
.cal-celda {
  aspect-ratio: 1; border: 1px solid transparent; border-radius: 8px;
  background: var(--marfil); font-family: inherit;
  font-size: 0.92rem; cursor: pointer; color: var(--tinta); font-variant-numeric: tabular-nums;
}
.cal-celda:hover:not(:disabled) { border-color: var(--bronce); background: var(--blanco); }
.cal-celda:disabled { background: transparent; color: #c6bfae; cursor: not-allowed; }
.cal-celda.ocupado {
  background: transparent; border: 1px solid var(--linea);
  color: #b5aea0; text-decoration: line-through; cursor: not-allowed;
}
.cal-celda.seleccionado {
  background: var(--verde); color: var(--marfil); font-weight: 600; border-color: var(--verde);
}
.cal-vacio { aspect-ratio: 1; }
.cal-leyenda { display: flex; gap: 1.3rem; margin-top: 1.2rem; font-size: 0.8rem; color: var(--tinta-suave); }
.dot { display: inline-block; width: 0.65rem; height: 0.65rem; border-radius: 50%; margin-right: 0.35rem; }
.dot-libre { background: var(--marfil); border: 1px solid var(--linea); }
.dot-ocupado { background: transparent; border: 1px solid #b5aea0; }
.dot-sel { background: var(--verde); }

.fecha-elegida {
  background: var(--marfil); border: 1px dashed var(--linea); border-radius: 8px;
  padding: 0.85rem 1rem; margin-bottom: 1.4rem;
  font-weight: 500; color: var(--tinta-suave); text-align: center; font-size: 0.95rem;
}
.fecha-elegida.activa {
  background: var(--blanco); border: 1px solid var(--verde);
  color: var(--verde); font-weight: 600;
}
.campo-doble { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.presu-adjunto {
  background: var(--marfil); border: 1px solid var(--bronce); border-radius: 8px;
  padding: 0.7rem 1rem; margin-bottom: 1.3rem; font-size: 0.9rem; color: var(--verde);
  display: flex; align-items: center; gap: 0.5rem;
}
.presu-adjunto[hidden] { display: none; }
.presu-adjunto strong { margin-left: auto; font-variant-numeric: tabular-nums; color: var(--bronce-osc); }
.presu-adjunto button {
  border: none; background: none; font-size: 1.2rem; cursor: pointer; color: var(--verde);
}
.form-msj { margin-top: 1rem; text-align: center; font-weight: 500; min-height: 1.4rem; font-size: 0.95rem; }
.form-msj.ok { color: #33691e; }
.form-msj.error { color: #a3401f; }

/* ---------- Footer ---------- */
.footer { background: var(--verde-osc); color: var(--marfil); padding: 4rem clamp(1.2rem, 6vw, 4rem) 1.6rem; }
.footer-inner {
  display: flex; justify-content: space-between; gap: 2rem; flex-wrap: wrap;
  max-width: 1120px; margin: 0 auto 2.5rem;
}
.footer-logo { font-size: 1.6rem; font-weight: 600; }
.footer-logo span { color: var(--bronce); }
.footer-logo em {
  font-size: 0.85rem; color: rgba(247, 244, 236, 0.6);
  font-family: "Inter", sans-serif; font-style: normal;
  text-transform: uppercase; letter-spacing: 0.2em;
}
.footer-inner p { color: rgba(247, 244, 236, 0.7); font-size: 0.95rem; }
.footer h4 {
  margin-bottom: 0.7rem; font-size: 0.8rem; text-transform: uppercase;
  letter-spacing: 0.14em; color: #c9a87c;
}
.footer a { color: var(--marfil); text-decoration: none; }
.footer a:hover { color: #c9a87c; }
.footer-fin {
  text-align: center; font-size: 0.8rem; color: rgba(247, 244, 236, 0.45);
  border-top: 1px solid rgba(247, 244, 236, 0.12); padding-top: 1.5rem;
  max-width: 1120px; margin: 0 auto;
}

/* ---------- Responsive ---------- */
@media (max-width: 820px) {
  .presu, .reserva { grid-template-columns: 1fr; }
  .nav-links { gap: 1rem; }
  .nav-links a:not(.nav-cta) { display: none; }
  .seccion { padding: 4.5rem 1.2rem; }
}