/* ==========================================================================
   CITE · Consultoría de Iniciativas Tecnológicas Empresariales
   Hoja de estilos de la landing — marca según MANUAL DE MARCA CITE (Flama, 2026)

   Paleta (manual, pág. «Tipografía y color»):
     Amarillo  PANTONE 102 C  #FAE200
     Negro     PANTONE Black C #010101
     Blanco    #FFFFFF
   Regla de oro (usos prohibidos): NUNCA texto o logo blanco sobre amarillo.
     Sobre amarillo → negro. Sobre negro → blanco o amarillo.

   Tipografía de marca: Fester (no disponible como webfont con licencia).
   Sustituta web: Poppins en toda la página (decisión de Hugo, ago-2026: una
   sola familia; se descartó la condensada Oswald para las etiquetas).
   Si se licencia Fester, sustituir aquí.
   ========================================================================== */

/* Tipografía autoalojada (sin Google Fonts: cero terceros, cero cookies).
   Archivos woff2 de @fontsource/poppins (licencia OFL) en assets/fonts/. */
@font-face { font-family: 'Poppins'; font-style: normal; font-weight: 300; font-display: swap; src: url('../assets/fonts/poppins-latin-300-normal.woff2') format('woff2'); }
@font-face { font-family: 'Poppins'; font-style: normal; font-weight: 400; font-display: swap; src: url('../assets/fonts/poppins-latin-400-normal.woff2') format('woff2'); }
@font-face { font-family: 'Poppins'; font-style: italic; font-weight: 400; font-display: swap; src: url('../assets/fonts/poppins-latin-400-italic.woff2') format('woff2'); }
@font-face { font-family: 'Poppins'; font-style: normal; font-weight: 500; font-display: swap; src: url('../assets/fonts/poppins-latin-500-normal.woff2') format('woff2'); }
@font-face { font-family: 'Poppins'; font-style: normal; font-weight: 600; font-display: swap; src: url('../assets/fonts/poppins-latin-600-normal.woff2') format('woff2'); }
@font-face { font-family: 'Poppins'; font-style: normal; font-weight: 700; font-display: swap; src: url('../assets/fonts/poppins-latin-700-normal.woff2') format('woff2'); }
@font-face { font-family: 'Poppins'; font-style: normal; font-weight: 800; font-display: swap; src: url('../assets/fonts/poppins-latin-800-normal.woff2') format('woff2'); }

:root {
  --amarillo: #FAE200;
  --negro: #010101;
  --blanco: #FFFFFF;
  --gris-suave: #F5F5F2;
  --f-titular: 'Poppins', 'Segoe UI', Arial, sans-serif;
  --f-condensada: 'Poppins', 'Segoe UI', Arial, sans-serif;
  --ancho: 1140px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--f-titular);
  font-weight: 300;
  color: var(--negro);
  background: var(--blanco);
  line-height: 1.6;
  font-size: 17px;
}
img { max-width: 100%; display: block; }
a { color: inherit; }

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

h1, h2, h3, h4 { font-weight: 700; line-height: 1.15; }
h2 { font-size: clamp(1.7rem, 3.5vw, 2.4rem); margin-bottom: 1.2rem; }

.overline {
  font-family: var(--f-condensada);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-size: 0.8rem;
  margin-bottom: 0.8rem;
}

/* ---------- Botones ---------- */
.btn {
  display: inline-block;
  font-family: var(--f-condensada);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.95rem;
  text-decoration: none;
  border: 2px solid var(--negro);
  border-radius: 999px;
  padding: 0.7em 1.6em;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}
.btn:hover { transform: translateY(-2px); box-shadow: 0 4px 0 var(--negro); }
.btn-negro { background: var(--negro); color: var(--amarillo); }
.btn-borde { background: transparent; color: var(--negro); }

/* ---------- Cabecera ---------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: var(--blanco);
  border-bottom: 2px solid var(--negro);
}
.header-inner {
  display: flex; align-items: center; justify-content: space-between;
  padding-top: 14px; padding-bottom: 14px;
}
.brand-logo { height: 34px; width: auto; }
.site-nav { display: flex; align-items: center; gap: 28px; }
.site-nav a:not(.btn) {
  font-family: var(--f-condensada);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-size: 0.85rem;
  text-decoration: none;
  border-bottom: 2px solid transparent;
  padding-bottom: 2px;
}
.site-nav a:not(.btn):hover { border-bottom-color: var(--negro); }
.nav-cta { margin-left: 8px; }
.nav-toggle { display: none; background: none; border: 0; cursor: pointer; padding: 8px; }
.nav-toggle span { display: block; width: 26px; height: 3px; background: var(--negro); margin: 5px 0; transition: 0.2s; }

/* ---------- Hero ---------- */
.hero { background: var(--amarillo); overflow: hidden; }
.hero-grid {
  display: grid; grid-template-columns: 1.2fr 0.8fr; gap: 40px;
  align-items: center; min-height: 560px; padding-top: 60px; padding-bottom: 60px;
}
.hero h1 { font-size: clamp(2.2rem, 5vw, 3.6rem); font-weight: 800; margin-bottom: 1.2rem; }
.subrayado {
  text-decoration: underline;
  text-decoration-thickness: 0.13em;
  text-underline-offset: 0.14em;
  text-decoration-color: var(--negro);
}
.hero-sub { font-size: 1.15rem; max-width: 34em; margin-bottom: 2rem; }
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }

.hero-visual { display: flex; justify-content: center; }
.triangulo-hero {
  width: min(340px, 70%); aspect-ratio: 1 / 0.87;
  background: var(--negro);
  clip-path: polygon(0 0, 100% 0, 50% 100%);
  animation: flotar 5s ease-in-out infinite;
}
@keyframes flotar {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-14px); }
}
@media (prefers-reduced-motion: reduce) { .triangulo-hero { animation: none; } }

/* ---------- Servicios ---------- */
.servicios { padding: 90px 0; }
.bloque-servicios { margin-top: 56px; }
.bloque-titulo {
  font-family: var(--f-condensada);
  font-weight: 700; text-transform: uppercase; letter-spacing: 0.08em;
  font-size: 1rem; margin-bottom: 20px;
  display: flex; align-items: center; gap: 10px;
}
.bloque-titulo .tri { color: var(--amarillo); -webkit-text-stroke: 1px var(--negro); font-size: 0.9em; }
.cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 20px; }
.card {
  border: 2px solid var(--negro); border-radius: 12px;
  padding: 26px 24px 24px; background: var(--blanco);
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}
.card:hover { transform: translateY(-4px); box-shadow: 6px 6px 0 var(--amarillo), 6px 6px 0 2px var(--negro); }
.card-destacada { background: var(--amarillo); }
.card h4 { font-size: 1.12rem; margin: 12px 0 8px; }
.card p { font-size: 0.95rem; }
.tag {
  display: inline-block;
  font-family: var(--f-condensada); font-weight: 600;
  text-transform: uppercase; letter-spacing: 0.06em; font-size: 0.7rem;
  background: var(--negro); color: var(--amarillo);
  padding: 3px 10px; border-radius: 4px;
}

/* ---------- Método ---------- */
.metodo { background: var(--amarillo); padding: 90px 0; }
.pasos { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; margin-top: 30px; }
.paso { border-top: 3px solid var(--negro); padding-top: 20px; }
.paso-num {
  width: 52px; height: 46px; margin-bottom: 14px;
  background: var(--negro); color: var(--amarillo);
  clip-path: polygon(0 0, 100% 0, 50% 100%);
  display: flex; align-items: flex-start; justify-content: center;
  font-weight: 700; font-size: 1.1rem; padding-top: 2px;
}
.paso h3 { margin-bottom: 8px; font-size: 1.2rem; }
.paso p { font-size: 0.98rem; }

/* ---------- Por qué CITE ---------- */
.porque { background: var(--negro); color: var(--blanco); padding: 90px 0; }
.porque-grid { display: grid; grid-template-columns: 0.8fr 1.2fr; gap: 60px; align-items: center; }
.porque-marca img { max-width: 280px; margin: 0 auto; }
.porque h2 { color: var(--amarillo); }
.porque dt { font-weight: 600; font-size: 1.1rem; margin-top: 1.2rem; color: var(--amarillo); }
.porque dd { margin-top: 0.3rem; font-size: 0.98rem; }

/* ---------- Contacto ---------- */
.contacto { background: var(--amarillo); padding: 90px 0; }
.contacto-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: start; }
.contacto-copy p { max-width: 30em; }
.contacto-datos {
  list-style: none; margin-top: 24px;
  font-family: var(--f-condensada); text-transform: uppercase; letter-spacing: 0.1em; font-size: 0.95rem;
}
.contacto-datos li { padding: 8px 0; border-bottom: 1px solid var(--negro); }
.contacto-datos a { text-decoration: none; }
.contacto-datos a:hover { text-decoration: underline; }

.contacto-form { display: grid; gap: 16px; }
.contacto-form label {
  display: grid; gap: 6px;
  font-family: var(--f-condensada); text-transform: uppercase; letter-spacing: 0.1em; font-size: 0.8rem;
}
.contacto-form input, .contacto-form textarea {
  border: 2px solid var(--negro); border-radius: 8px;
  background: var(--blanco); color: var(--negro);
  font-family: var(--f-titular); font-size: 1rem; padding: 12px 14px;
}
.contacto-form input:focus, .contacto-form textarea:focus {
  outline: 3px solid var(--negro); outline-offset: 1px;
}
.form-nota { font-size: 0.85rem; min-height: 1.2em; }
.contacto-form .hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.contacto-form .check {
  display: flex; align-items: flex-start; gap: 10px;
  text-transform: none; letter-spacing: normal;
  font-family: var(--f-titular); font-size: 0.85rem; font-weight: 400;
}
.contacto-form .check input { width: 18px; height: 18px; margin-top: 2px; accent-color: var(--negro); }
.contacto-form .check a { font-weight: 600; }

/* ---------- Páginas legales ---------- */
.legal-body { padding: 70px 0 90px; }
.legal-body .container { max-width: 800px; }
.legal-body h1 { font-size: clamp(1.8rem, 3.5vw, 2.4rem); font-weight: 800; margin-bottom: 0.4rem; }
.legal-fecha { font-size: 0.85rem; color: #555; margin-bottom: 2rem; }
.legal-body h2 { font-size: 1.15rem; margin: 2rem 0 0.6rem; }
.legal-body p, .legal-body li { font-size: 0.97rem; margin-bottom: 0.7rem; }
.legal-body ul { padding-left: 1.2rem; }
.legal-body .pendiente { background: var(--amarillo); padding: 0 4px; font-weight: 600; }

/* ---------- Pie ---------- */
.site-footer { background: var(--negro); color: var(--blanco); padding: 50px 0; }
.footer-inner { display: grid; gap: 24px; }
.footer-logo { height: 30px; width: auto; }
.footer-legal { font-size: 0.82rem; opacity: 0.85; max-width: 62em; }
.footer-nav { display: flex; gap: 24px; }
.footer-nav a {
  font-family: var(--f-condensada); text-transform: uppercase; letter-spacing: 0.1em;
  font-size: 0.8rem; color: var(--amarillo); text-decoration: none;
}
.footer-nav a:hover { text-decoration: underline; }

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
  .hero-grid { grid-template-columns: 1fr; min-height: 0; text-align: left; }
  .hero-visual { order: -1; }
  .triangulo-hero { width: 160px; }
  .pasos { grid-template-columns: 1fr; }
  .porque-grid { grid-template-columns: 1fr; gap: 36px; }
  .porque-marca img { max-width: 200px; margin: 0; }
  .contacto-grid { grid-template-columns: 1fr; gap: 40px; }
}
@media (max-width: 820px) {
  .nav-toggle { display: block; }
  .site-nav {
    display: none;
    position: absolute; left: 0; right: 0; top: 100%;
    background: var(--blanco); border-bottom: 2px solid var(--negro);
    flex-direction: column; align-items: flex-start;
    padding: 18px 24px 24px; gap: 16px;
  }
  .site-nav.abierto { display: flex; }
  .nav-cta { margin-left: 0; }
}