/* ============================================================
   IRENE PRESTI — nueva web
   Paleta "Industrial cálida"
   Tipografías: Barlow (títulos) · Source Sans 3 (cuerpo)
   ============================================================ */

:root {
  --petroleo: #1B2A3A;
  --petroleo-oscuro: #14202C;
  --petroleo-medio: #24374A;
  --hueso: #F4F2EE;
  --blanco: #FFFFFF;
  --naranja: #E8622C;
  --naranja-oscuro: #C74E1E;
  --naranja-suave: #FCEAE1;
  --verde: #2E8B7A;
  --verde-suave: #DDEEE9;
  --gris-texto: #5C6B78;
  --gris-claro: #8FA5B8;
  --gris-borde: #E5E2DA;

  --font-titulos: 'Barlow', 'Segoe UI', sans-serif;
  --font-cuerpo: 'Source Sans 3', 'Segoe UI', sans-serif;

  --radio: 10px;
  --sombra: 0 8px 30px rgba(27, 42, 58, 0.10);
  --max-ancho: 1140px;
}

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

html { scroll-behavior: smooth; scroll-padding-top: 84px; }

body {
  font-family: var(--font-cuerpo);
  font-weight: 400;
  color: var(--petroleo);
  background: var(--blanco);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

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

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

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

h1, h2, h3, h4 {
  font-family: var(--font-titulos);
  font-weight: 600;
  line-height: 1.2;
}

/* Encabezado de sección */
.encabezado { margin-bottom: 44px; }
.encabezado--centrado { text-align: center; }
.encabezado--centrado .bajada { margin-left: auto; margin-right: auto; }

.kicker {
  display: inline-block;
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--naranja);
  margin-bottom: 8px;
}
.kicker--verde { color: var(--verde); }

.titulo-seccion {
  font-size: clamp(1.7rem, 3.5vw, 2.4rem);
  font-weight: 700;
  margin-bottom: 12px;
}

.bajada {
  color: var(--gris-texto);
  font-size: 1.08rem;
  max-width: 660px;
}

/* ---------- Botones ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-titulos);
  font-weight: 600;
  font-size: 1rem;
  padding: 13px 28px;
  border-radius: 6px;
  transition: background .2s ease, border-color .2s ease, color .2s ease;
  cursor: pointer;
  border: none;
}

.btn--naranja { background: var(--naranja); color: #fff; }
.btn--naranja:hover { background: var(--naranja-oscuro); }

.btn--fantasma {
  background: transparent;
  color: var(--hueso);
  border: 1.5px solid rgba(244, 242, 238, 0.5);
}
.btn--fantasma:hover { border-color: var(--hueso); background: rgba(244,242,238,0.08); }

.btn--oscuro { background: var(--petroleo); color: var(--hueso); }
.btn--oscuro:hover { background: var(--petroleo-medio); }

.btn--borde {
  background: #fff;
  color: var(--petroleo);
  border: 1.5px solid var(--gris-borde);
}
.btn--borde:hover { border-color: var(--petroleo); }

/* ---------- Header (oscuro) ---------- */
.header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: #1B2A3A;
  border-bottom: 1px solid rgba(244,242,238,0.08);
}

.header__interno {
  max-width: var(--max-ancho);
  margin: 0 auto;
  padding: 0 24px;
  height: 74px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  font-family: var(--font-titulos);
  font-weight: 700;
  font-size: 1.2rem;
  letter-spacing: 0.05em;
  color: var(--hueso);
  display: inline-flex;
  align-items: center;
}
.logo span { color: var(--naranja); }
.logo svg { display: block; height: 32px; width: auto; }

.nav { display: flex; align-items: center; gap: 28px; }

.nav a {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--hueso);
  transition: color .2s ease;
}
.nav a:hover { color: var(--naranja); }

.nav .btn { padding: 9px 20px; font-size: 0.9rem; color: #fff; }

.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  width: 42px; height: 42px;
  position: relative;
  z-index: 110;
}
.nav-toggle span {
  display: block;
  width: 24px; height: 2px;
  background: var(--hueso);
  margin: 5px auto;
  transition: transform .25s ease, opacity .25s ease;
}
.nav-toggle.abierto span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.abierto span:nth-child(2) { opacity: 0; }
.nav-toggle.abierto span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------- Hero con video ---------- */
.hero {
  position: relative;
  min-height: 90vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  background: var(--petroleo);
  padding: 130px 24px 70px;
}

.hero__video {
  position: absolute;
  inset: 0;
  width: 100%; height: 100%;
  object-fit: cover;
  z-index: 0;
}

.hero__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(20,32,44,0.85) 0%, rgba(27,42,58,0.7) 55%, rgba(20,32,44,0.9) 100%);
  z-index: 1;
}

.hero__contenido {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 840px;
  width: 100%;
}

/* Slides apilados con grid: la altura la define el más alto */
.hero__slides { display: grid; }

.slide {
  grid-area: 1 / 1;
  opacity: 0;
  transform: translateY(12px);
  transition: opacity .8s ease, transform .8s ease;
  pointer-events: none;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}
.slide.activo {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

.slide .kicker { color: var(--gris-claro); }

.slide h1, .slide .titulo-hero {
  font-family: var(--font-titulos);
  font-weight: 700;
  font-size: clamp(1.9rem, 4.5vw, 3.1rem);
  color: var(--hueso);
  line-height: 1.15;
  margin-bottom: 16px;
}

.slide p.sub {
  color: #C9D3DC;
  font-size: clamp(1.02rem, 1.6vw, 1.18rem);
  max-width: 620px;
  margin: 0 auto 28px;
}

.hero__botones {
  display: flex;
  gap: 14px;
  justify-content: center;
  flex-wrap: wrap;
}

.hero__dots {
  position: relative;
  z-index: 2;
  display: flex;
  gap: 8px;
  justify-content: center;
  margin-top: 44px;
}
.hero__dots button {
  width: 34px; height: 4px;
  border-radius: 2px;
  border: none;
  background: rgba(143,165,184,0.4);
  cursor: pointer;
  transition: background .3s ease;
  padding: 0;
}
.hero__dots button.activo { background: var(--naranja); }

/* ---------- Secciones ---------- */
.seccion { padding: 92px 0; }
.seccion--hueso { background: var(--hueso); }
.seccion--petroleo { background: var(--petroleo); }

/* ---------- Consultoría ---------- */
.consultoria__grid {
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  gap: 48px;
  align-items: center;
}

.consultoria__imagen img {
  border-radius: var(--radio);
  box-shadow: var(--sombra);
  width: 100%;
  object-fit: cover;
  aspect-ratio: 4/3;
}

.tarjeta-diagnostico {
  background: #fff;
  border: 1px solid var(--gris-borde);
  border-top: 4px solid var(--naranja);
  border-radius: 0 0 var(--radio) var(--radio);
  padding: 34px;
  box-shadow: var(--sombra);
}

.tarjeta-diagnostico h3 { font-size: 1.35rem; margin-bottom: 6px; }

.tarjeta-diagnostico .nota {
  color: var(--gris-texto);
  font-size: 0.98rem;
  margin-bottom: 20px;
}

.pasos { list-style: none; counter-reset: paso; margin: 0 0 24px; }
.pasos li {
  counter-increment: paso;
  position: relative;
  padding-left: 46px;
  margin-bottom: 16px;
  color: var(--gris-texto);
  font-size: 1rem;
}
.pasos li strong { color: var(--petroleo); display: block; font-size: 1.02rem; }
.pasos li::before {
  content: counter(paso);
  position: absolute;
  left: 0; top: 2px;
  width: 30px; height: 30px;
  border-radius: 50%;
  background: var(--naranja-suave);
  color: var(--naranja-oscuro);
  font-family: var(--font-titulos);
  font-weight: 700;
  font-size: 0.95rem;
  display: flex;
  align-items: center;
  justify-content: center;
}

.tarjeta-diagnostico__botones {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 18px;
}

.garantia {
  font-size: 0.9rem;
  color: var(--gris-texto);
  border-top: 1px solid var(--gris-borde);
  padding-top: 14px;
}
.garantia strong { color: var(--verde); }

/* ---------- Bloques de servicios (mentoreo / formación teaser) ---------- */
.dos-columnas {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

.bloque-servicio {
  background: #fff;
  border: 1px solid var(--gris-borde);
  border-radius: var(--radio);
  padding: 34px;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}
.bloque-servicio h3 { font-size: 1.35rem; margin-bottom: 10px; }
.bloque-servicio p { color: var(--gris-texto); margin-bottom: 20px; flex: 1; }

.bloque-servicio--oscuro { background: var(--petroleo); border-color: var(--petroleo); }
.bloque-servicio--oscuro h3 { color: #FFFFFF; }
.bloque-servicio--oscuro p {
  color: #FFFFFF;
  font-weight: 500;
  font-size: 1.02rem;
}

/* ---------- Formación (página) ---------- */
.curso {
  background: #fff;
  border: 1px solid var(--gris-borde);
  border-radius: var(--radio);
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.curso__imagen {
  aspect-ratio: 16/7;
  background: var(--petroleo-medio);
  overflow: hidden;
}
.curso__imagen img { width: 100%; height: 100%; object-fit: cover; }

.curso__cuerpo { padding: 30px; flex: 1; display: flex; flex-direction: column; align-items: flex-start; }

.badge {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 5px 12px;
  border-radius: 4px;
  display: inline-block;
  margin-bottom: 14px;
}
.badge--naranja { background: var(--naranja-suave); color: var(--naranja-oscuro); }
.badge--verde { background: var(--verde-suave); color: #085041; }

.curso h3 { font-size: 1.4rem; margin-bottom: 10px; }
.curso > .curso__cuerpo > p { font-size: 1rem; color: var(--gris-texto); margin-bottom: 18px; }

.lista-checks { list-style: none; margin: 0 0 24px; }
.lista-checks li {
  padding-left: 28px;
  position: relative;
  margin-bottom: 9px;
  color: var(--gris-texto);
  font-size: 0.98rem;
}
.lista-checks li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--verde);
  font-weight: 700;
}

.curso .btn { margin-top: auto; }

.formacion__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

/* ---------- Recursos ---------- */
.recursos__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.recurso {
  background: #fff;
  border: 1px solid var(--gris-borde);
  border-radius: var(--radio);
  overflow: hidden;
  transition: box-shadow .2s ease, border-color .2s ease;
  display: flex;
  flex-direction: column;
}
.recurso:hover { box-shadow: var(--sombra); border-color: #d5d2c8; }

.recurso__imagen { aspect-ratio: 16/10; overflow: hidden; background: var(--petroleo-medio); }
.recurso__imagen img { width: 100%; height: 100%; object-fit: cover; transition: transform .3s ease; }
.recurso:hover .recurso__imagen img { transform: scale(1.03); }

.recurso__cuerpo { padding: 22px; flex: 1; display: flex; flex-direction: column; }
.recurso h3 { font-size: 1.12rem; margin-bottom: 8px; line-height: 1.35; }
.recurso p { font-size: 0.95rem; color: var(--gris-texto); margin-bottom: 16px; flex: 1; }

.link-flecha {
  font-family: var(--font-titulos);
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--naranja);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.link-flecha:hover { text-decoration: underline; }
.link-flecha--verde { color: var(--verde); }

/* ---------- Testimonios ---------- */
.seccion--petroleo .titulo-seccion { color: var(--hueso); }
.seccion--petroleo .bajada { color: var(--gris-claro); }

.testimonios__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 20px;
}

.testimonio {
  background: var(--petroleo-medio);
  border-radius: var(--radio);
  padding: 28px;
}
.testimonio p {
  color: #D5DDE4;
  font-size: 1rem;
  margin-bottom: 16px;
}
.testimonio cite {
  font-style: normal;
  font-family: var(--font-titulos);
  font-weight: 600;
  font-size: 0.88rem;
  letter-spacing: 0.06em;
  color: var(--naranja);
  display: block;
}
.testimonio cite small {
  color: var(--gris-claro);
  display: block;
  font-family: var(--font-cuerpo);
  font-weight: 400;
  letter-spacing: 0;
  margin-top: 2px;
}

/* Logos en blanco */
.logos {
  display: flex;
  gap: 40px;
  justify-content: center;
  align-items: center;
  flex-wrap: wrap;
  margin-top: 54px;
}
.logos img {
  height: 42px;
  width: auto;
  object-fit: contain;
  filter: brightness(0) invert(1);
  opacity: 0.8;
  transition: opacity .3s ease;
}
.logos img:hover { opacity: 1; }

/* Logos oscuros sobre fondo blanco (JPG o PNG sin transparencia):
   se invierten a blanco y el blend "screen" hace desaparecer
   el fondo contra la sección oscura */
.logos img.logo-invertir {
  filter: grayscale(1) invert(1) brightness(1.8);
  mix-blend-mode: screen;
}

/* ---------- CTA final ---------- */
.cta-final {
  background: var(--naranja);
  padding: 72px 0;
  text-align: center;
}
.cta-final h2 {
  color: #fff;
  font-size: clamp(1.5rem, 3vw, 2.1rem);
  font-weight: 700;
  margin-bottom: 12px;
}
.cta-final p {
  color: var(--naranja-suave);
  margin-bottom: 28px;
  font-size: 1.1rem;
}

/* ---------- Footer ---------- */
.footer {
  background: var(--petroleo-oscuro);
  padding: 54px 0 30px;
  color: var(--gris-claro);
}

.footer__grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 36px;
}

.footer h4 {
  color: var(--hueso);
  font-size: 1rem;
  margin-bottom: 14px;
}
.footer a { font-size: 0.95rem; display: block; margin-bottom: 8px; transition: color .2s ease; }
.footer a:hover { color: var(--naranja); }
.footer p { font-size: 0.95rem; }

.footer__marca .logo { font-size: 1.1rem; }

.redes { display: flex; gap: 14px; margin-top: 16px; }
.redes a {
  width: 38px; height: 38px;
  border: 1px solid rgba(143,165,184,0.35);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 0;
  transition: border-color .2s ease, color .2s ease;
}
.redes a:hover { border-color: var(--naranja); color: var(--naranja); }
.redes svg { width: 18px; height: 18px; fill: currentColor; }

.footer__legal {
  border-top: 1px solid rgba(143,165,184,0.2);
  padding-top: 22px;
  font-size: 0.85rem;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
}

/* ---------- Páginas internas ---------- */
.hero-interno {
  background: var(--petroleo);
  padding: 150px 24px 70px;
  text-align: center;
}
.hero-interno .kicker { color: var(--gris-claro); }
.hero-interno h1 {
  color: var(--hueso);
  font-size: clamp(1.9rem, 4vw, 2.8rem);
  font-weight: 700;
  margin-bottom: 12px;
}
.hero-interno p { color: var(--gris-claro); max-width: 640px; margin: 0 auto; font-size: 1.08rem; }

/* Quién soy */
.bio__grid {
  display: grid;
  grid-template-columns: 380px 1fr;
  gap: 50px;
  align-items: start;
}
.bio__foto img {
  border-radius: var(--radio);
  box-shadow: var(--sombra);
  width: 100%;
}
.bio__texto h2 { font-size: 1.5rem; margin: 28px 0 12px; }
.bio__texto h2:first-child { margin-top: 0; }
.bio__texto p { color: var(--gris-texto); margin-bottom: 14px; font-size: 1.02rem; }
.bio__texto strong { color: var(--petroleo); }

.stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 20px;
  margin: 52px 0;
}
.stat {
  background: var(--hueso);
  border-radius: var(--radio);
  padding: 28px 20px;
  text-align: center;
}
.stat strong {
  font-family: var(--font-titulos);
  font-size: 2rem;
  font-weight: 700;
  color: var(--naranja);
  display: block;
}
.stat span { font-size: 0.92rem; color: var(--gris-texto); }

.galeria {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
  margin-top: 42px;
}
.galeria img {
  border-radius: 8px;
  aspect-ratio: 4/3;
  object-fit: cover;
  width: 100%;
}

/* Prensa */
.prensa__grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 24px;
}

/* ---------- Animación al hacer scroll ---------- */
.revelar {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity .6s ease, transform .6s ease;
}
.revelar.visible { opacity: 1; transform: translateY(0); }

/* ---------- WhatsApp flotante ---------- */
.wsp-flotante {
  position: fixed;
  bottom: 24px; right: 24px;
  z-index: 90;
  width: 56px; height: 56px;
  border-radius: 50%;
  background: #25D366;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 6px 20px rgba(0,0,0,0.25);
  transition: transform .2s ease;
}
.wsp-flotante:hover { transform: scale(1.06); }
.wsp-flotante svg { width: 28px; height: 28px; fill: #fff; }

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
  .consultoria__grid,
  .formacion__grid,
  .dos-columnas,
  .bio__grid { grid-template-columns: 1fr; }

  .recursos__grid { grid-template-columns: 1fr 1fr; }

  .footer__grid { grid-template-columns: 1fr 1fr; }

  .consultoria__imagen { order: -1; }
}

@media (max-width: 680px) {
  .seccion { padding: 64px 0; }

  .recursos__grid { grid-template-columns: 1fr; }

  .footer__grid { grid-template-columns: 1fr; gap: 28px; }

  .hero { min-height: 84vh; }

  .nav-toggle { display: block; }

  .nav {
    position: fixed;
    inset: 0;
    background: var(--petroleo);
    flex-direction: column;
    justify-content: center;
    gap: 30px;
    transform: translateX(100%);
    transition: transform .3s ease;
    z-index: 105;
  }
  .nav.abierto { transform: translateX(0); }
  .nav a { font-size: 1.2rem; }
}