/* =========================================================
   INSTITUTO POLITÉCNICO DE PSICOLOGÍA® — Hoja de estilos global
   Paleta pastel (beige cálido, lila/lavanda, verde salvia)
   inspirada en el logo (violeta / magenta) del Instituto.
   ========================================================= */

:root {
  /* Paleta base */
  --color-bg: #fbf6ef;              /* beige cálido, fondo general */
  --color-bg-alt: #f3ecdf;          /* beige algo más marcado, bloques alternos */
  --color-bg-card: #ffffff;

  --color-lavender-50: #f2eefb;
  --color-lavender-100: #e2d7f2;
  --color-lavender-300: #c9b4e6;
  --color-lavender-600: #8a63b8;    /* violeta del logo, para acentos fuertes */
  --color-lavender-700: #6d4a95;    /* violeta oscuro, texto destacado / hover */

  --color-sage-100: #e6ecdf;
  --color-sage-300: #c2d3b6;
  --color-sage-600: #8aa478;
  --color-sage-700: #6d8560;

  --color-rose-100: #f7e4ee;
  --color-rose-300: #eec2dc;
  --color-rose-600: #c9679f;

  --color-text: #362c3d;            /* casi negro con base violeta, texto principal */
  --color-text-soft: #6b6072;
  --color-text-inverse: #fffaf3;

  --color-white: #ffffff;
  --color-border: #e6ddce;

  --font-heading: "Fraunces", Georgia, serif;
  --font-body: "Mulish", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;

  --radius-s: 8px;
  --radius-m: 16px;
  --radius-l: 28px;

  --shadow-soft: 0 10px 30px rgba(109, 74, 149, 0.10);
  --shadow-card: 0 4px 18px rgba(54, 44, 61, 0.08);

  --container-w: 1160px;
}

/* ---------- Reset básico ---------- */
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.65;
  font-size: 17px;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; margin: 0; padding: 0; }
button { font-family: inherit; cursor: pointer; }

h1, h2, h3, h4 {
  font-family: var(--font-heading);
  font-weight: 600;
  color: var(--color-lavender-700);
  line-height: 1.2;
  margin: 0 0 .6em;
}
h1 { font-size: clamp(2.1rem, 4vw, 3.2rem); }
h2 { font-size: clamp(1.6rem, 3vw, 2.3rem); }
h3 { font-size: 1.3rem; }
p { margin: 0 0 1em; }

.container {
  max-width: var(--container-w);
  margin: 0 auto;
  padding: 0 24px;
}

section { padding: 72px 0; }
.section-alt { background: var(--color-bg-alt); }
.section-lavender { background: var(--color-lavender-50); }

.eyebrow {
  display: inline-block;
  font-family: var(--font-body);
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
  font-size: .78rem;
  color: var(--color-sage-700);
  background: var(--color-sage-100);
  padding: 6px 14px;
  border-radius: 999px;
  margin-bottom: 16px;
}

.section-head { max-width: 720px; margin: 0 auto 44px; text-align: center; }
.section-head p { color: var(--color-text-soft); }

/* ---------- Botones ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 26px;
  border-radius: 999px;
  font-weight: 700;
  font-size: .95rem;
  border: 2px solid transparent;
  white-space: nowrap;
  transition: transform .15s ease, box-shadow .15s ease, background .15s ease;
}
.btn:hover { transform: translateY(-2px); }
.btn-primary {
  background: var(--color-lavender-700);
  color: var(--color-text-inverse);
  box-shadow: var(--shadow-soft);
}
.btn-primary:hover { background: var(--color-lavender-600); }
.btn-secondary {
  background: transparent;
  border-color: var(--color-lavender-700);
  color: var(--color-lavender-700);
}
.btn-secondary:hover { background: var(--color-lavender-50); }
.btn-whatsapp {
  background: var(--color-sage-700);
  color: var(--color-text-inverse);
}
.btn-whatsapp:hover { background: var(--color-sage-600); }
.btn-block { width: 100%; justify-content: center; }
.btn-row { display: flex; flex-wrap: wrap; gap: 14px; }

/* ---------- Header / navegación ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(251, 246, 239, 0.92);
  backdrop-filter: blur(6px);
  border-bottom: 1px solid var(--color-border);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 24px;
  max-width: var(--container-w);
  margin: 0 auto;
}
.brand { display: flex; align-items: center; gap: 12px; }
.brand img { height: 48px; width: auto; }
.brand-name {
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 1.05rem;
  color: var(--color-lavender-700);
  line-height: 1.15;
}
.brand-name small { display: block; font-family: var(--font-body); font-weight: 400; font-size: .72rem; color: var(--color-text-soft); letter-spacing: .04em; }

.main-nav { display: flex; align-items: center; gap: 4px; }
.main-nav > ul { display: flex; align-items: center; gap: 0; }
.main-nav a.nav-link {
  padding: 10px 12px;
  border-radius: 999px;
  font-weight: 700;
  font-size: .92rem;
  color: var(--color-text);
  white-space: nowrap;
}
.main-nav a.nav-link:hover, .main-nav a.nav-link.is-active { background: var(--color-lavender-100); color: var(--color-lavender-700); }

.has-dropdown { position: relative; }
.dropdown {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 260px;
  background: var(--color-white);
  border-radius: var(--radius-m);
  box-shadow: var(--shadow-card);
  padding: 10px;
  margin-top: 6px;
}
.has-dropdown:hover .dropdown,
.has-dropdown:focus-within .dropdown { display: block; }
.dropdown a {
  display: block;
  padding: 10px 14px;
  border-radius: var(--radius-s);
  font-size: .92rem;
  font-weight: 600;
}
.dropdown a:hover { background: var(--color-lavender-50); color: var(--color-lavender-700); }
.dropdown-label {
  font-size: .7rem;
  text-transform: uppercase;
  letter-spacing: .06em;
  color: var(--color-text-soft);
  padding: 6px 14px 2px;
}

.nav-cta { display: flex; align-items: center; gap: 10px; margin-left: 10px; }
.nav-toggle { display: none; background: none; border: none; padding: 8px; }
.nav-toggle span, .nav-toggle::before, .nav-toggle::after { content: ""; display: block; width: 26px; height: 2px; background: var(--color-lavender-700); margin: 6px 0; }

/* ---------- Hero ---------- */
.hero {
  padding: 64px 0 88px;
  background: linear-gradient(180deg, var(--color-lavender-50) 0%, var(--color-bg) 100%);
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr .9fr;
  gap: 48px;
  align-items: center;
}
.hero-art img { border-radius: var(--radius-l); box-shadow: var(--shadow-soft); }
.hero h1 { margin-bottom: .4em; }
.hero .lead { font-size: 1.15rem; color: var(--color-text-soft); max-width: 52ch; }
.credentials { display: flex; flex-wrap: wrap; gap: 10px; margin: 22px 0; }
.credential-pill {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: 999px;
  padding: 8px 16px;
  font-size: .82rem;
  font-weight: 700;
  color: var(--color-text-soft);
}

/* ---------- Tarjetas ---------- */
.grid { display: grid; gap: 26px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

.card {
  background: var(--color-bg-card);
  border-radius: var(--radius-m);
  padding: 30px;
  box-shadow: var(--shadow-card);
  border: 1px solid var(--color-border);
  height: 100%;
}
.card .icon-badge {
  width: 52px; height: 52px;
  border-radius: 50%;
  background: var(--color-lavender-100);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.4rem;
  margin-bottom: 16px;
}
.card h3 { margin-bottom: .4em; }
.card p { color: var(--color-text-soft); margin-bottom: .6em; }
.card a.card-link { font-weight: 700; color: var(--color-lavender-700); }

.card-sage .icon-badge { background: var(--color-sage-100); }
.card-rose .icon-badge { background: var(--color-rose-100); }

/* ---------- Franjas / bloques ---------- */
.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: center;
}
.split img { border-radius: var(--radius-l); box-shadow: var(--shadow-card); }

.quote-card {
  background: var(--color-bg-card);
  border-radius: var(--radius-l);
  box-shadow: var(--shadow-card);
  padding: 40px;
}
.quote-card img { box-shadow: none; }

.stripe-note {
  background: var(--color-lavender-700);
  color: var(--color-text-inverse);
  border-radius: var(--radius-l);
  padding: 48px;
  text-align: center;
}
.stripe-note h2 { color: var(--color-text-inverse); }
.stripe-note p { color: rgba(255,255,255,.85); }

/* ---------- Filtros (Observatorio de Actualidad) ---------- */
.filter-row { display: flex; flex-wrap: wrap; gap: 10px; justify-content: center; margin: 28px 0 34px; }
.filter-pill {
  padding: 10px 20px;
  border-radius: 999px;
  border: 2px solid var(--color-lavender-300);
  background: var(--color-white);
  color: var(--color-lavender-700);
  font-weight: 700;
  font-size: .9rem;
  cursor: pointer;
  transition: background .15s ease, color .15s ease;
}
.filter-pill:hover { background: var(--color-lavender-50); }
.filter-pill.is-active { background: var(--color-lavender-700); border-color: var(--color-lavender-700); color: var(--color-text-inverse); }

/* ---------- Cuerpo de artículo (blog) ---------- */
.article-body h2 { font-size: 1.35rem; margin-top: 1.2em; }
.article-body h3 { font-size: 1.1rem; margin-top: 1.1em; color: var(--color-lavender-700); }
.article-body p { color: var(--color-text); }
.article-body ul { list-style: none; margin: 0 0 1.2em; padding: 0; }
.article-body ul li {
  position: relative;
  padding-left: 26px;
  margin-bottom: 12px;
  color: var(--color-text);
}
.article-body ul li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-lavender-600);
}
.article-body ul li strong { color: var(--color-lavender-700); }
.article-references {
  margin-top: 34px;
  padding-top: 22px;
  border-top: 1px solid var(--color-border);
}
.article-references h4 {
  font-family: var(--font-body);
  font-size: .78rem;
  font-weight: 700;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: var(--color-text-soft);
  margin-bottom: 10px;
}
.article-references ol {
  margin: 0;
  padding-left: 20px;
  font-size: .85rem;
  color: var(--color-text-soft);
}
.article-references li { margin-bottom: 6px; }

.article-meta {
  display: flex;
  align-items: center;
  gap: 14px;
  margin: 14px 0 30px;
  padding-bottom: 22px;
  border-bottom: 1px solid var(--color-border);
}
.article-meta img {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  object-fit: cover;
  object-position: top center;
  flex-shrink: 0;
}
.article-meta-text { font-size: .85rem; color: var(--color-text-soft); line-height: 1.5; }
.article-meta-text strong { color: var(--color-text); }

.related-articles {
  margin-top: 34px;
  padding-top: 22px;
  border-top: 1px solid var(--color-border);
}
.related-articles h4 {
  font-family: var(--font-body);
  font-size: .78rem;
  font-weight: 700;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: var(--color-text-soft);
  margin-bottom: 12px;
}
.related-articles ul { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 10px; }
.related-articles a { color: var(--color-lavender-700); font-weight: 700; text-decoration: none; }
.related-articles a:hover { text-decoration: underline; }

/* ---------- Listados (blog / recursos / recorridos) ---------- */
.post-list, .resource-list { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.post-card, .resource-card {
  background: var(--color-white);
  border-radius: var(--radius-m);
  overflow: hidden;
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-card);
  display: flex; flex-direction: column;
}
.post-card img, .resource-card img { height: 170px; object-fit: cover; width: 100%; }
.post-card .post-body, .resource-card .resource-body { padding: 22px; flex: 1; display: flex; flex-direction: column; }
.post-tag {
  align-self: flex-start;
  font-size: .72rem; font-weight: 700; text-transform: uppercase; letter-spacing: .05em;
  background: var(--color-sage-100); color: var(--color-sage-700);
  padding: 4px 10px; border-radius: 999px; margin-bottom: 10px;
}

/* ---------- Formularios ---------- */
.form-card {
  background: var(--color-white);
  border-radius: var(--radius-l);
  padding: 40px;
  box-shadow: var(--shadow-card);
  border: 1px solid var(--color-border);
}
label { display: block; font-weight: 700; margin-bottom: 6px; font-size: .92rem; }
input, select, textarea {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-s);
  font-family: var(--font-body);
  font-size: .96rem;
  margin-bottom: 18px;
  background: var(--color-bg);
}
input:focus, select:focus, textarea:focus { outline: 2px solid var(--color-lavender-300); border-color: var(--color-lavender-600); }
textarea { min-height: 130px; resize: vertical; }
.form-note { font-size: .82rem; color: var(--color-text-soft); }
.form-status { padding: 14px 16px; border-radius: var(--radius-s); margin-bottom: 16px; font-weight: 700; display: none; }
.form-status.ok { display: block; background: var(--color-sage-100); color: var(--color-sage-700); }
.form-status.error { display: block; background: var(--color-rose-100); color: #9a2f5e; }

/* ---------- Migas de pan ---------- */
.breadcrumb { font-size: .85rem; color: var(--color-text-soft); margin-bottom: 20px; }
.breadcrumb a { color: var(--color-lavender-700); font-weight: 700; }

/* ---------- Aviso de cookies ---------- */
.cookie-banner {
  position: fixed; left: 20px; right: 20px; bottom: 20px;
  max-width: 640px; margin: 0 auto;
  background: var(--color-white);
  border-radius: var(--radius-m);
  box-shadow: var(--shadow-soft);
  border: 1px solid var(--color-border);
  padding: 22px;
  z-index: 300;
  display: none;
}
.cookie-banner.is-visible { display: block; }
.cookie-actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 14px; }

/* ---------- Footer ---------- */
.site-footer { background: var(--color-lavender-700); color: rgba(255,255,255,.88); padding: 64px 0 26px; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 36px; margin-bottom: 40px; }
.site-footer h4 { color: var(--color-text-inverse); font-size: 1rem; margin-bottom: 14px; }
.site-footer a:hover { color: var(--color-text-inverse); }
.site-footer .brand-name, .site-footer .brand-name small { color: var(--color-text-inverse); }
.footer-legal { color: rgba(255,255,255,.85); font-size: .82rem; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.18);
  padding-top: 22px;
  display: flex; flex-wrap: wrap; gap: 10px 24px; justify-content: space-between;
  font-size: .82rem; color: rgba(255,255,255,.7);
}
.footer-bottom a { font-weight: 700; }
.social-row { display: flex; gap: 12px; margin-top: 10px; }
.social-row a {
  width: 38px; height: 38px; border-radius: 50%;
  background: rgba(255,255,255,.12);
  display: flex; align-items: center; justify-content: center;
  font-size: .95rem;
}

/* ---------- WhatsApp flotante ---------- */
.whatsapp-float {
  position: fixed; right: 22px; bottom: 22px; z-index: 200;
  width: 58px; height: 58px; border-radius: 50%;
  background: var(--color-sage-700); color: #fff;
  display: flex; align-items: center; justify-content: center;
  box-shadow: var(--shadow-soft); font-size: 1.5rem;
}
/* Mientras el aviso de cookies está visible, sube el botón de WhatsApp
   para que no quede tapado por el banner (se solapaban en móvil). */
body.has-cookie-banner .whatsapp-float { bottom: 132px; }

/* ---------- Responsive ---------- */
@media (max-width: 960px) {
  .hero-grid, .split { grid-template-columns: 1fr; }
  .grid-3, .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .post-list, .resource-list { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 760px) {
  /* Cabecera más compacta: en pantallas estrechas el subtítulo del logo
     envolvía en 2-3 líneas y descuadraba la altura fija del menú móvil. */
  .header-inner { padding: 10px 16px; }
  .brand img { height: 38px; }
  .brand-name { font-size: .88rem; }
  .brand-name small { display: none; }

  .main-nav { position: fixed; top: 60px; left: 0; right: 0; bottom: 0; background: var(--color-bg); flex-direction: column; align-items: stretch; padding: 20px; overflow-y: auto; transform: translateX(100%); transition: transform .25s ease; }
  .main-nav.is-open { transform: translateX(0); }
  .main-nav > ul { flex-direction: column; align-items: stretch; gap: 4px; }
  .dropdown { position: static; box-shadow: none; display: block; padding-left: 12px; }
  .has-dropdown:hover .dropdown { display: block; }
  .nav-toggle { display: block; }
  .nav-cta { margin: 16px 0 0; flex-wrap: wrap; }
  .nav-cta .btn { flex: 1 1 auto; justify-content: center; }
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .post-list, .resource-list { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  section { padding: 52px 0; }
  .form-card, .stripe-note, .quote-card { padding: 28px; }
  .btn-row { flex-direction: column; align-items: stretch; }
  .btn-row .btn { justify-content: center; }
}