/* ==========================================================
   SOCIEDAD ARGENTINA DE REIKI — sistema de diseño
   Concepto: papel washi + tinta sumi + sello hanko + grilla shoji
   ========================================================== */

@import url('https://fonts.googleapis.com/css2?family=Shippori+Mincho:wght@400;500;600;700&family=Zen+Kaku+Gothic+New:wght@400;500;700;900&display=swap');

:root {
  /* --- paleta --- */
  --sumi:          #24301f;   /* tinta, casi negro con base verde */
  --matcha:         #4b6b3a;   /* verde principal (heredado del logo, más profundo) */
  --matcha-oscuro:  #2c3f22;
  --matcha-claro:   #7c9a68;
  --papel:          #eee9db;   /* papel washi */
  --papel-oscuro:   #e2dbc4;   /* papel para tarjetas / secciones alternadas */
  --papel-linea:    #d8cfb2;   /* líneas grilla shoji */
  --sello:          #a5402c;   /* rojo sello hanko */
  --sello-oscuro:   #7e2f20;
  --oro:            #ad8848;   /* acento maestría */
  --piedra:         #6c6753;   /* texto secundario */
  --blanco:         #fbf9f2;

  --fuente-display: 'Shippori Mincho', serif;
  --fuente-cuerpo:  'Zen Kaku Gothic New', sans-serif;

  --radio: 3px;
  --sombra: 0 4px 18px rgba(36, 48, 31, 0.12);
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--fuente-cuerpo);
  color: var(--sumi);
  background: var(--papel);
  line-height: 1.7;
  background-image:
    linear-gradient(var(--papel-linea) 1px, transparent 1px),
    linear-gradient(90deg, var(--papel-linea) 1px, transparent 1px);
  background-size: 64px 64px;
  background-attachment: fixed;
}

a { color: inherit; }

img { max-width: 100%; display: block; }

/* --- utilidades tipográficas --- */
h1, h2, h3, .display {
  font-family: var(--fuente-display);
  font-weight: 600;
  color: var(--matcha-oscuro);
  letter-spacing: 0.02em;
}

.eyebrow {
  font-family: var(--fuente-cuerpo);
  font-weight: 700;
  font-size: 0.78rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--sello);
}

.kanji-marca {
  writing-mode: vertical-rl;
  font-family: var(--fuente-display);
  font-size: 1.6rem;
  color: var(--matcha-claro);
  opacity: 0.55;
  letter-spacing: 0.3em;
  line-height: 1;
}

/* ==========================================================
   HEADER
   ========================================================== */
header {
  background: var(--blanco);
  border-bottom: 1px solid var(--papel-linea);
  padding: 14px 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 15px;
  position: sticky;
  top: 0;
  z-index: 50;
}

.logo-container {
  display: flex;
  align-items: center;
  gap: 14px;
  text-decoration: none;
}

.logo-container img {
  height: 52px;
  width: 52px;
  border-radius: 50%;
  object-fit: cover;
}

.logo-container .titulo-marca {
  display: flex;
  flex-direction: column;
  line-height: 1.15;
}

.logo-container .titulo-marca strong {
  font-family: var(--fuente-display);
  font-size: 1.18rem;
  color: var(--matcha-oscuro);
  font-weight: 600;
}

.logo-container .titulo-marca span {
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--piedra);
}

nav {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}

nav a {
  color: var(--sumi);
  text-decoration: none;
  font-weight: 500;
  font-size: 0.95rem;
  padding: 8px 14px;
  border-radius: var(--radio);
  transition: background 0.25s, color 0.25s;
  position: relative;
}

nav a:hover { background: var(--papel-oscuro); }

nav a.activo {
  color: var(--sello);
  font-weight: 700;
}

nav a.activo::after {
  content: "";
  position: absolute;
  left: 14px;
  right: 14px;
  bottom: 3px;
  height: 2px;
  background: var(--sello);
}

/* ==========================================================
   HERO
   ========================================================== */
.hero {
  background: var(--sumi);
  color: var(--papel);
  padding: 70px 28px 90px;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(238,233,219,0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(238,233,219,0.05) 1px, transparent 1px);
  background-size: 48px 48px;
  pointer-events: none;
}

.hero-grid {
  max-width: 1100px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 50px;
  align-items: center;
  position: relative;
}

.hero-texto .eyebrow { color: var(--matcha-claro); }

.hero-texto h1 {
  color: var(--blanco);
  font-size: clamp(2.1rem, 4vw, 3.1rem);
  margin: 14px 0 20px;
  font-weight: 600;
  line-height: 1.25;
}

.hero-texto p {
  color: #d9d3c1;
  font-size: 1.05rem;
  max-width: 46ch;
  margin-bottom: 30px;
}

.hero-acciones {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

/* pergamino de los preceptos, tratamiento de kakejiku */
.pergamino {
  justify-self: center;
  position: relative;
  background: var(--papel);
  padding: 20px 20px 30px;
  box-shadow: var(--sombra);
  border-radius: 2px;
}

.pergamino::before,
.pergamino::after {
  content: "";
  position: absolute;
  left: -6px;
  right: -6px;
  height: 14px;
  background: linear-gradient(180deg, #8a6a3c, #5f4626);
  border-radius: 7px;
}

.pergamino::before { top: -14px; }
.pergamino::after { bottom: -14px; }

.pergamino img {
  width: 220px;
  margin: 0 auto;
  filter: contrast(1.05);
}

.pergamino .pergamino-caption {
  text-align: center;
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--piedra);
  margin-top: 12px;
}

/* ==========================================================
   BOTONES
   ========================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--sello);
  color: var(--blanco);
  padding: 13px 28px;
  border-radius: var(--radio);
  text-decoration: none;
  font-weight: 700;
  font-size: 0.95rem;
  letter-spacing: 0.02em;
  border: 1px solid var(--sello);
  transition: transform 0.2s, background 0.2s;
}

.btn:hover {
  background: var(--sello-oscuro);
  transform: translateY(-2px);
}

.btn-secundario {
  background: transparent;
  color: var(--blanco);
  border: 1px solid rgba(251,249,242,0.4);
}

.btn-secundario:hover {
  background: rgba(251,249,242,0.08);
}

.btn-pequeno {
  display: inline-block;
  background: var(--matcha);
  color: var(--blanco);
  padding: 9px 18px;
  border-radius: var(--radio);
  text-decoration: none;
  font-size: 0.85rem;
  font-weight: 700;
  white-space: nowrap;
  border: 1px solid var(--matcha);
  transition: background 0.2s;
}

.btn-pequeno:hover { background: var(--matcha-oscuro); }

/* ==========================================================
   CONTENEDOR GENERAL
   ========================================================== */
main {
  max-width: 1000px;
  margin: 0 auto;
  padding: 60px 28px;
}

.seccion-titulo {
  text-align: center;
  margin-bottom: 46px;
}

.seccion-titulo .eyebrow { display: block; margin-bottom: 10px; }

.seccion-titulo h2 {
  font-size: clamp(1.6rem, 3vw, 2.2rem);
}

.seccion-titulo p {
  color: var(--piedra);
  max-width: 56ch;
  margin: 12px auto 0;
}

/* ==========================================================
   TARJETAS DE NIVEL (index + contenidos)
   ========================================================== */
.grilla-niveles {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}

.tarjeta-nivel {
  background: var(--blanco);
  border: 1px solid var(--papel-linea);
  border-radius: var(--radio);
  padding: 26px 22px;
  text-decoration: none;
  color: var(--sumi);
  transition: transform 0.25s, box-shadow 0.25s;
  position: relative;
}

.tarjeta-nivel:hover {
  transform: translateY(-4px);
  box-shadow: var(--sombra);
}

.tarjeta-nivel .num {
  font-family: var(--fuente-display);
  font-size: 1.9rem;
  color: var(--matcha-claro);
  margin-bottom: 10px;
}

.tarjeta-nivel h3 {
  font-size: 1.05rem;
  margin-bottom: 8px;
}

.tarjeta-nivel p {
  color: var(--piedra);
  font-size: 0.88rem;
}

.tarjeta-nivel.maestria .num,
.tarjeta-nivel.maestria h3 { color: var(--oro); }

.tarjeta-nivel.maestria { border-color: var(--oro); }

/* ==========================================================
   INFO BOX / SELLOS
   ========================================================== */
.info-box {
  background: var(--blanco);
  border: 1px solid var(--papel-linea);
  border-left: 4px solid var(--matcha);
  border-radius: var(--radio);
  padding: 22px 26px;
  margin: 0 0 40px;
}

.info-box strong { color: var(--matcha-oscuro); }

.info-box .fila {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  margin-bottom: 8px;
}
.info-box .fila:last-child { margin-bottom: 0; }

.sello-redondo {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 96px;
  height: 96px;
  border: 2px solid var(--sello);
  border-radius: 50%;
  color: var(--sello);
  font-family: var(--fuente-display);
  font-weight: 700;
  font-size: 0.8rem;
  text-align: center;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  transform: rotate(-8deg);
  flex-shrink: 0;
}

/* ==========================================================
   CALENDARIO
   ========================================================== */
.mes-grupo { margin-bottom: 48px; }

.mes-titulo {
  display: flex;
  align-items: baseline;
  gap: 14px;
  color: var(--matcha-oscuro);
  margin-bottom: 22px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--papel-linea);
}

.mes-titulo .mes-num {
  font-family: var(--fuente-display);
  font-size: 2.1rem;
  color: var(--sello);
  opacity: 0.85;
}

.mes-titulo h2 {
  font-size: 1.3rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.evento-card {
  background: var(--blanco);
  border: 1px solid var(--papel-linea);
  border-left: 4px solid var(--matcha);
  border-radius: var(--radio);
  padding: 22px 24px;
  margin-bottom: 14px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
  transition: box-shadow 0.2s, border-color 0.2s;
}

.evento-card:hover { box-shadow: var(--sombra); }

.evento-card.pasado {
  opacity: 0.45;
  border-left-color: var(--piedra);
}

.evento-card.proximo {
  border-left-color: var(--sello);
  box-shadow: var(--sombra);
}

.evento-fecha {
  font-family: var(--fuente-display);
  min-width: 78px;
  text-align: center;
  color: var(--sumi);
}

.evento-fecha .dia-num {
  font-size: 1.9rem;
  font-weight: 700;
  line-height: 1;
  display: block;
}

.evento-fecha .dia-nombre {
  font-family: var(--fuente-cuerpo);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--piedra);
}

.evento-info { flex: 1; min-width: 200px; }

.evento-info h3 {
  color: var(--matcha-oscuro);
  font-size: 1.1rem;
  margin-bottom: 4px;
}

.evento-info .badge-proximo {
  display: inline-block;
  background: var(--sello);
  color: var(--blanco);
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 3px 8px;
  border-radius: 20px;
  margin-left: 8px;
  vertical-align: middle;
}

.evento-detalle {
  color: var(--piedra);
  font-size: 0.9rem;
}

.evento-acciones {
  display: flex;
  gap: 12px;
  align-items: center;
}

.evento-precio {
  background: var(--papel-oscuro);
  color: var(--matcha-oscuro);
  padding: 7px 16px;
  border-radius: 20px;
  font-weight: 700;
  white-space: nowrap;
  font-size: 0.95rem;
}

.sin-eventos {
  text-align: center;
  color: var(--piedra);
  padding: 60px 20px;
  font-family: var(--fuente-display);
  font-size: 1.1rem;
}

/* ==========================================================
   PRECEPTOS (index)
   ========================================================== */
.preceptos-seccion {
  background: var(--matcha-oscuro);
  color: var(--papel);
  padding: 70px 28px;
  margin: 0;
}

.preceptos-inner {
  max-width: 1000px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 50px;
  align-items: center;
}

.preceptos-inner .pergamino { background: var(--papel); }

.lista-preceptos {
  list-style: none;
  counter-reset: precepto;
}

.lista-preceptos li {
  counter-increment: precepto;
  display: flex;
  gap: 16px;
  padding: 14px 0;
  border-bottom: 1px solid rgba(238,233,219,0.15);
  align-items: baseline;
}
.lista-preceptos li:last-child { border-bottom: none; }

.lista-preceptos li::before {
  content: counter(precepto);
  font-family: var(--fuente-display);
  font-size: 1.3rem;
  color: var(--oro);
  min-width: 24px;
}

.lista-preceptos li span {
  font-size: 1.02rem;
}

/* ==========================================================
   SECCIONES DE NIVEL (contenidos.html)
   ========================================================== */
.nivel-seccion {
  background: var(--blanco);
  border: 1px solid var(--papel-linea);
  border-radius: var(--radio);
  padding: 36px 34px;
  margin-bottom: 26px;
  scroll-margin-top: 90px;
}

.nivel-seccion .nivel-cabecera {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 20px;
  flex-wrap: wrap;
  border-bottom: 2px solid var(--papel-oscuro);
  padding-bottom: 16px;
  margin-bottom: 20px;
}

.nivel-seccion .nivel-cabecera .kanji-marca { opacity: 0.4; }

.nivel-seccion h2 {
  font-size: 1.5rem;
}

.nivel-seccion .nivel-japones {
  color: var(--piedra);
  font-size: 0.85rem;
  letter-spacing: 0.05em;
}

.nivel-seccion.maestria { border-color: var(--oro); }
.nivel-seccion.maestria h2 { color: var(--oro); }

.nivel-contenido {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 30px;
}

.nivel-seccion ul {
  padding-left: 20px;
  color: var(--sumi);
}

.nivel-seccion li { margin-bottom: 9px; }

.nivel-datos {
  background: var(--papel);
  border-radius: var(--radio);
  padding: 20px;
  align-self: start;
}

.nivel-datos dt {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--piedra);
  margin-top: 12px;
}
.nivel-datos dt:first-child { margin-top: 0; }

.nivel-datos dd {
  font-weight: 700;
  color: var(--matcha-oscuro);
  margin-bottom: 4px;
}

/* ==========================================================
   INSTITUCIONAL
   ========================================================== */
.mision-box {
  background: var(--blanco);
  border: 1px solid var(--papel-linea);
  border-radius: var(--radio);
  padding: 30px 32px;
  margin-bottom: 20px;
}

.mision-box p {
  color: var(--sumi);
  font-size: 1.02rem;
}

.mision-box p + p { margin-top: 14px; }

.director-card {
  background: var(--matcha-oscuro);
  color: var(--papel);
  border-radius: var(--radio);
  padding: 30px 32px;
  display: flex;
  gap: 24px;
  align-items: flex-start;
}

.director-card .sello-redondo {
  border-color: var(--oro);
  color: var(--oro);
  flex-shrink: 0;
}

.director-card h3 {
  color: var(--blanco);
  font-size: 1.2rem;
  margin-bottom: 8px;
}

.director-card p {
  color: #d9d3c1;
  font-size: 0.95rem;
}

.aviso-box {
  background: var(--papel-oscuro);
  border-left: 4px solid var(--sello);
  border-radius: var(--radio);
  padding: 20px 24px;
  margin: 30px 0;
}

.aviso-box p {
  color: var(--sumi);
  font-size: 0.92rem;
}

.aviso-box p + p { margin-top: 8px; }

.miembros-buscador {
  width: 100%;
  padding: 12px 18px;
  border: 1px solid var(--papel-linea);
  border-radius: var(--radio);
  background: var(--blanco);
  font-family: var(--fuente-cuerpo);
  font-size: 0.95rem;
  color: var(--sumi);
  margin-bottom: 24px;
}

.miembros-buscador:focus {
  outline: none;
  border-color: var(--matcha);
}

.miembros-contador {
  color: var(--piedra);
  font-size: 0.85rem;
  margin-bottom: 18px;
}

.lista-miembros {
  list-style: none;
  columns: 3;
  column-gap: 28px;
  background: var(--blanco);
  border: 1px solid var(--papel-linea);
  border-radius: var(--radio);
  padding: 30px 34px;
}

.lista-miembros li {
  break-inside: avoid;
  padding: 7px 0;
  border-bottom: 1px solid var(--papel);
  font-size: 0.92rem;
  color: var(--sumi);
}

.lista-miembros li.oculto { display: none; }

.lista-miembros li::before {
  content: "";
}

@media (max-width: 860px) {
  .lista-miembros { columns: 2; padding: 24px; }
  .director-card { flex-direction: column; }
}

@media (max-width: 600px) {
  .lista-miembros { columns: 1; }
}

/* ==========================================================
   CONTACTO
   ========================================================== */
.contacto-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 30px;
  align-items: start;
}

.tarjeta-contacto {
  background: var(--blanco);
  border: 1px solid var(--papel-linea);
  border-radius: var(--radio);
  padding: 30px;
}

.canal-contacto {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 16px 0;
  border-bottom: 1px solid var(--papel-oscuro);
  text-decoration: none;
  color: var(--sumi);
}
.canal-contacto:last-child { border-bottom: none; }

.canal-contacto .icono {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--papel-oscuro);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  flex-shrink: 0;
}

.canal-contacto strong { display: block; color: var(--matcha-oscuro); }
.canal-contacto span { color: var(--piedra); font-size: 0.92rem; }

.mapa-embed {
  width: 100%;
  height: 100%;
  min-height: 320px;
  border: 1px solid var(--papel-linea);
  border-radius: var(--radio);
  filter: sepia(12%) saturate(85%);
}

/* ==========================================================
   FOOTER
   ========================================================== */
footer {
  background: var(--sumi);
  color: var(--papel);
  padding: 46px 28px 30px;
  margin-top: 0;
}

.footer-inner {
  max-width: 1000px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  gap: 30px;
  flex-wrap: wrap;
  border-bottom: 1px solid rgba(238,233,219,0.15);
  padding-bottom: 26px;
  margin-bottom: 18px;
}

footer .marca-footer strong {
  font-family: var(--fuente-display);
  font-size: 1.15rem;
}

footer .marca-footer p {
  color: #b9b39f;
  font-size: 0.88rem;
  margin-top: 6px;
  max-width: 34ch;
}

footer nav a {
  color: var(--papel);
  font-size: 0.9rem;
}
footer nav a:hover { color: var(--oro); }

footer .footer-legal {
  max-width: 1000px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
  color: #8f886f;
  font-size: 0.8rem;
}

/* ==========================================================
   RESPONSIVE
   ========================================================== */
@media (max-width: 860px) {
  .hero-grid { grid-template-columns: 1fr; text-align: center; }
  .hero-texto p { margin-left: auto; margin-right: auto; }
  .hero-acciones { justify-content: center; }
  .pergamino { margin-top: 20px; }
  .preceptos-inner { grid-template-columns: 1fr; }
  .grilla-niveles { grid-template-columns: repeat(2, 1fr); }
  .nivel-contenido { grid-template-columns: 1fr; }
  .contacto-grid { grid-template-columns: 1fr; }
}

@media (max-width: 600px) {
  header { flex-direction: column; text-align: center; }
  nav { justify-content: center; }
  .evento-card { flex-direction: column; align-items: flex-start; }
  .grilla-niveles { grid-template-columns: 1fr; }
  main { padding: 40px 18px; }
  .nivel-seccion { padding: 26px 20px; }
}

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