/* =========================================================
   Terapia Transpersonal Sufí — Sistema de diseño
   Paleta: arena, verde salvia, azul profundo. Tono sosegado.
   ========================================================= */

:root {
  --arena-50: #faf8f4;
  --arena-100: #f3eee6;
  --arena-200: #e2dcd2;
  --verde-400: #2a6f7a;
  --verde-600: #1b4b53;
  --azul-700: #173451;
  --azul-900: #0d1b2a;
  --dorado: #c8933b;
  --texto: #0d1b2a;
  --texto-suave: #2b3a4a;
  --blanco: #ffffff;

  --font-titulo: "Cormorant Garamond", Georgia, serif;
  --font-cuerpo: "Jost", "Segoe UI", sans-serif;

  --radius: 14px;
  --sombra: 0 10px 30px rgba(13, 27, 42, 0.08);
  --transicion: 0.4s ease;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font-cuerpo);
  color: var(--texto);
  background: var(--arena-50);
  line-height: 1.7;
  font-size: 17px;
}

h1, h2, h3, h4 {
  font-family: var(--font-titulo);
  color: var(--azul-700);
  font-weight: 600;
  line-height: 1.25;
  margin: 0 0 0.6em;
}

h1 { font-size: clamp(2.2rem, 4vw, 3.4rem); }
h2 { font-size: clamp(1.7rem, 3vw, 2.4rem); }
h3 { font-size: 1.4rem; }

p { margin: 0 0 1em; color: var(--texto-suave); }

a { color: inherit; text-decoration: none; }

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

.container {
  max-width: 1140px;
  margin: 0 auto;
  padding: 0 24px;
}

section { padding: 96px 0; }
section.tight { padding: 64px 0; }

.eyebrow {
  display: inline-block;
  font-size: 0.85rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--verde-600);
  margin-bottom: 1em;
  font-weight: 500;
}

.center { text-align: center; }
.lead {
  font-size: 1.15rem;
  max-width: 680px;
}
.lead.center { margin-left: auto; margin-right: auto; }

/* ---------- Botones ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 30px;
  border-radius: 999px;
  font-family: var(--font-cuerpo);
  font-size: 0.95rem;
  letter-spacing: 0.02em;
  cursor: pointer;
  border: 1px solid transparent;
  transition: transform var(--transicion), box-shadow var(--transicion), background var(--transicion);
}
.btn-primary {
  background: var(--azul-700);
  color: var(--arena-50);
  box-shadow: var(--sombra);
}
.btn-primary:hover { transform: translateY(-2px); background: var(--azul-900); }

.btn-outline {
  background: transparent;
  border-color: var(--azul-700);
  color: var(--azul-700);
}
.btn-outline:hover { background: var(--azul-700); color: var(--arena-50); }

.btn-sm { padding: 10px 22px; font-size: 0.85rem; }

/* ---------- Header / Navegación ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(250, 247, 242, 0.9);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--arena-200);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 0;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-titulo);
  font-size: 1.3rem;
  font-weight: 600;
  color: var(--azul-700);
}
.brand svg { width: 30px; height: 30px; }

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
  list-style: none;
  margin: 0;
  padding: 0;
}
.nav-links a {
  font-size: 0.95rem;
  color: var(--texto);
  position: relative;
  padding-bottom: 4px;
}
.nav-links a.active,
.nav-links a:hover { color: var(--verde-600); }
.nav-links a.active::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: -2px;
  height: 2px;
  background: var(--verde-600);
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
}
.nav-toggle svg { width: 26px; height: 26px; color: var(--azul-700); }

@media (max-width: 860px) {
  .nav-toggle { display: block; }
  .nav-links {
    position: absolute;
    top: 100%; left: 0; right: 0;
    flex-direction: column;
    background: var(--arena-50);
    border-bottom: 1px solid var(--arena-200);
    padding: 20px 24px 28px;
    gap: 18px;
    display: none;
  }
  .nav-links.open { display: flex; }
  .nav-links .btn { width: 100%; justify-content: center; }
}

/* ---------- Hero ---------- */
.hero {
  padding: 90px 0 60px;
  overflow: hidden;
}
.hero .container {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 56px;
  align-items: center;
}
.hero-art { justify-self: center; }
@media (max-width: 900px) {
  .hero .container { grid-template-columns: 1fr; }
  .hero-art { order: -1; max-width: 320px; margin: 0 auto; }
}

.hero-cta { display: flex; gap: 16px; margin-top: 2em; flex-wrap: wrap; }

/* ---------- Tarjetas ---------- */
.grid {
  display: grid;
  gap: 28px;
}
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
@media (max-width: 900px) {
  .grid-3, .grid-2 { grid-template-columns: 1fr; }
}

.card {
  background: var(--blanco);
  border: 1px solid var(--arena-200);
  border-radius: var(--radius);
  padding: 32px;
  transition: box-shadow var(--transicion), transform var(--transicion);
}
.card:hover { box-shadow: var(--sombra); transform: translateY(-3px); }

.card .icon {
  width: 44px; height: 44px;
  color: var(--verde-600);
  margin-bottom: 18px;
}

/* ---------- Secciones con fondo ---------- */
.section-alt {
  background: var(--arena-100);
}
.section-dark {
  background: var(--azul-700);
  color: var(--arena-100);
}
.section-dark h2, .section-dark h3 { color: var(--arena-50); }
.section-dark p { color: var(--arena-200); }

/* ---------- Cita destacada ---------- */
blockquote.quote {
  font-family: var(--font-titulo);
  font-style: italic;
  font-size: clamp(1.3rem, 2.4vw, 1.8rem);
  color: var(--azul-700);
  max-width: 780px;
  margin: 0 auto;
  text-align: center;
  line-height: 1.5;
  position: relative;
  padding: 0 20px;
}
blockquote.quote cite {
  display: block;
  margin-top: 20px;
  font-family: var(--font-cuerpo);
  font-style: normal;
  font-size: 0.95rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--verde-600);
}

/* ---------- Narrativa con imagen ---------- */
.story {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 56px;
  align-items: center;
}
.story.reverse { grid-template-columns: 1.1fr 0.9fr; }
.story.reverse .story-art { order: 2; }
@media (max-width: 900px) {
  .story, .story.reverse { grid-template-columns: 1fr; }
  .story.reverse .story-art { order: -1; }
}

/* ---------- Carruaje interactivo ---------- */
.carriage {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-top: 40px;
}
@media (max-width: 900px) { .carriage { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .carriage { grid-template-columns: 1fr; } }

.carriage-part {
  background: var(--blanco);
  border: 2px solid var(--arena-200);
  border-radius: var(--radius);
  padding: 24px;
  cursor: pointer;
  text-align: left;
  transition: border-color var(--transicion), background var(--transicion);
}
.carriage-part .icon { width: 36px; height: 36px; color: var(--verde-600); margin-bottom: 14px; }
.carriage-part h4 { margin-bottom: 0.3em; font-size: 1.1rem; }
.carriage-part span.tag {
  display: block;
  font-size: 0.8rem;
  color: var(--texto-suave);
}
.carriage-part.active {
  border-color: var(--verde-600);
  background: var(--arena-100);
}

.carriage-detail {
  margin-top: 28px;
  background: var(--azul-700);
  color: var(--arena-100);
  border-radius: var(--radius);
  padding: 32px;
  display: none;
}
.carriage-detail.visible { display: block; }
.carriage-detail h4 { color: var(--arena-50); }

/* ---------- Escalera de conciencia ---------- */
.escalera {
  counter-reset: nivel;
  max-width: 780px;
  margin: 48px auto 0;
}
.escalon {
  display: grid;
  grid-template-columns: 60px 1fr;
  gap: 20px;
  padding: 18px 0;
  border-bottom: 1px dashed var(--arena-200);
}
.escalon:last-child { border-bottom: none; }
.escalon .num {
  counter-increment: nivel;
  width: 42px; height: 42px;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-titulo);
  font-weight: 600;
  background: var(--arena-100);
  color: var(--azul-700);
}
.escalon.espiritual .num {
  background: var(--dorado);
  color: var(--blanco);
}
.escalon h4 { margin-bottom: 0.2em; }
.escalon p { margin: 0; }

/* ---------- Progreso del Nafs ---------- */
.nafs-progress {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 40px;
}
@media (max-width: 800px) { .nafs-progress { grid-template-columns: 1fr; } }
.nafs-step {
  text-align: center;
  padding: 28px 20px;
  border-radius: var(--radius);
  background: var(--blanco);
  border: 1px solid var(--arena-200);
  position: relative;
}
.nafs-step .icon { width: 48px; height: 48px; margin: 0 auto 16px; color: var(--verde-600); }
.nafs-step .estado { font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.08em; color: var(--verde-600); }

/* ---------- Acordeón de prácticas ---------- */
.accordion { margin-top: 20px; }
.acc-item {
  border: 1px solid var(--arena-200);
  border-radius: var(--radius);
  background: var(--blanco);
  margin-bottom: 16px;
  overflow: hidden;
}
.acc-trigger {
  width: 100%;
  display: flex;
  align-items: center;
  gap: 18px;
  padding: 24px 28px;
  background: none;
  border: none;
  text-align: left;
  cursor: pointer;
  font-family: var(--font-cuerpo);
}
.acc-trigger .icon { width: 32px; height: 32px; color: var(--verde-600); flex-shrink: 0; }
.acc-trigger h3 { margin: 0; flex: 1; font-size: 1.15rem; }
.acc-trigger .chevron {
  width: 18px; height: 18px;
  transition: transform var(--transicion);
  color: var(--texto-suave);
}
.acc-item.open .chevron { transform: rotate(180deg); }

.acc-panel {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transicion);
  padding: 0 28px;
}
.acc-item.open .acc-panel {
  max-height: 600px;
  padding: 0 28px 28px;
}
.acc-panel ol, .acc-panel ul { padding-left: 1.2em; color: var(--texto-suave); }
.acc-panel li { margin-bottom: 0.5em; }

/* ---------- CTA final ---------- */
.cta-final {
  text-align: center;
  padding: 100px 0;
  background: var(--azul-700);
  color: var(--arena-50);
}
.cta-final h2 { color: var(--arena-50); }
.cta-final p { color: var(--arena-200); }

/* ---------- Formulario de contacto ---------- */
.form-wrap {
  max-width: 640px;
  margin: 0 auto;
  background: var(--blanco);
  border: 1px solid var(--arena-200);
  border-radius: var(--radius);
  padding: 44px;
  box-shadow: var(--sombra);
}
.field { margin-bottom: 22px; }
.field label {
  display: block;
  font-size: 0.9rem;
  color: var(--azul-700);
  margin-bottom: 8px;
  font-weight: 500;
}
.field input, .field textarea {
  width: 100%;
  padding: 14px 16px;
  border: 1px solid var(--arena-200);
  border-radius: 10px;
  font-family: var(--font-cuerpo);
  font-size: 1rem;
  background: var(--arena-50);
  color: var(--texto);
}
.field input:focus, .field textarea:focus {
  outline: none;
  border-color: var(--verde-600);
}
.field textarea { resize: vertical; min-height: 110px; }

.form-success {
  display: none;
  text-align: center;
  padding: 20px 0;
}
.form-success.visible { display: block; }
.form-success .icon { width: 56px; height: 56px; color: var(--verde-600); margin: 0 auto 20px; }

.contact-note {
  font-size: 0.85rem;
  color: var(--texto-suave);
  text-align: center;
  margin-top: 18px;
}

/* ---------- Footer ---------- */
.site-footer {
  background: var(--azul-900);
  color: var(--arena-200);
  padding: 56px 0 28px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.3fr repeat(3, 1fr);
  gap: 40px;
  margin-bottom: 40px;
}
@media (max-width: 800px) { .footer-grid { grid-template-columns: 1fr; } }
.footer-grid h4 { color: var(--arena-50); font-size: 1rem; margin-bottom: 1em; }
.footer-grid ul { list-style: none; padding: 0; margin: 0; }
.footer-grid li { margin-bottom: 0.7em; }
.footer-grid a:hover { color: var(--arena-50); }
.social-links a { text-decoration: underline; text-decoration-color: transparent; text-underline-offset: 4px; transition: color var(--transicion), text-decoration-color var(--transicion); }
.social-links a:hover { text-decoration-color: currentColor; }
.footer-brand { display: flex; align-items: center; gap: 10px; font-family: var(--font-titulo); font-size: 1.2rem; color: var(--arena-50); margin-bottom: 14px; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: 24px;
  font-size: 0.85rem;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
  color: var(--arena-200);
}

/* ---------- Animación de aparición ---------- */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}
.reveal.in-view {
  opacity: 1;
  transform: translateY(0);
}