/* ==========================================================================
   Didáctica Especializada — Sistema de diseño
   El placer de aprender
   ========================================================================== */

/* Imports de fuentes */
@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@300;400;500;600;700;800&family=Inter:wght@300;400;500;600;700&family=Fraunces:ital,wght@0,400;0,500;0,600;1,400;1,500&display=swap');

/* --------------------------------------------------------------------------
   1. Variables (tokens de diseño)
   -------------------------------------------------------------------------- */
:root {
  /* Colores corporativos */
  --color-primary: #1B6FB8;
  --color-primary-dark: #0F4C81;
  --color-primary-light: #2E9BD6;
  --color-accent: #F2B807;
  --color-dark: #0A1F33;
  --color-gray-900: #1A2434;
  --color-gray-700: #4A4A4A;
  --color-gray-500: #6B7785;
  --color-gray-300: #C9D1DC;
  --color-gray-100: #F5F7FA;
  --color-white: #FFFFFF;

  /* Gradientes */
  --gradient-primary: linear-gradient(135deg, #1B6FB8 0%, #0F4C81 100%);
  --gradient-hero: linear-gradient(120deg, #0F4C81 0%, #1B6FB8 50%, #2E9BD6 100%);
  --gradient-soft: linear-gradient(180deg, #F5F7FA 0%, #FFFFFF 100%);

  /* Tipografía */
  --font-display: 'Fraunces', Georgia, serif;
  --font-heading: 'Poppins', sans-serif;
  --font-body: 'Inter', sans-serif;

  /* Espaciado */
  --container-max: 1280px;
  --container-pad: clamp(1.25rem, 4vw, 3rem);

  /* Sombras */
  --shadow-sm: 0 2px 8px rgba(15, 76, 129, 0.06);
  --shadow-md: 0 8px 24px rgba(15, 76, 129, 0.1);
  --shadow-lg: 0 20px 60px rgba(15, 76, 129, 0.15);
  --shadow-xl: 0 30px 80px rgba(15, 76, 129, 0.2);

  /* Bordes */
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 32px;

  /* Transiciones */
  --t-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --t-base: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  --t-slow: 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

/* --------------------------------------------------------------------------
   2. Reset y base
   -------------------------------------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.65;
  color: var(--color-gray-700);
  background: var(--color-white);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img, svg { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; transition: color var(--t-fast); }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
ul { list-style: none; }

/* --------------------------------------------------------------------------
   3. Tipografía
   -------------------------------------------------------------------------- */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  color: var(--color-dark);
  line-height: 1.2;
  font-weight: 700;
  letter-spacing: -0.02em;
}

h1 { font-size: clamp(2.25rem, 5.5vw, 4.5rem); font-weight: 800; }
h2 { font-size: clamp(1.875rem, 3.5vw, 2.875rem); }
h3 { font-size: clamp(1.375rem, 2.2vw, 1.75rem); }
h4 { font-size: 1.25rem; }

.eyebrow {
  font-family: var(--font-heading);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-primary);
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
}
.eyebrow::before {
  content: '';
  width: 28px;
  height: 1.5px;
  background: var(--color-primary);
}

.serif { font-family: var(--font-display); font-style: italic; font-weight: 400; }

.lead {
  font-size: clamp(1.05rem, 1.5vw, 1.25rem);
  line-height: 1.7;
  color: var(--color-gray-700);
  font-weight: 400;
}

/* --------------------------------------------------------------------------
   4. Layout / containers
   -------------------------------------------------------------------------- */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding-left: var(--container-pad);
  padding-right: var(--container-pad);
}

.section { padding: clamp(4rem, 9vw, 7rem) 0; position: relative; }
.section--tight { padding: clamp(3rem, 6vw, 5rem) 0; }
.section--dark { background: var(--color-dark); color: var(--color-gray-300); }
.section--dark h1, .section--dark h2, .section--dark h3 { color: var(--color-white); }
.section--gray { background: var(--color-gray-100); }

.section-header {
  max-width: 720px;
  margin-bottom: clamp(2.5rem, 5vw, 4rem);
}
.section-header--center { margin-left: auto; margin-right: auto; text-align: center; }
.section-header .eyebrow { margin-bottom: 1rem; }
.section-header h2 { margin-bottom: 1rem; }

.section-header h2 .accent {
  font-family: var(--font-display);
  font-style: italic;
  font-weight: 500;
  color: var(--color-primary);
}

/* --------------------------------------------------------------------------
   5. Botones
   -------------------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.95rem 1.75rem;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.95rem;
  border-radius: 999px;
  transition: all var(--t-base);
  position: relative;
  white-space: nowrap;
  letter-spacing: 0.01em;
}

.btn svg { width: 16px; height: 16px; transition: transform var(--t-base); }
.btn:hover svg { transform: translateX(4px); }

.btn--primary {
  background: var(--color-primary);
  color: var(--color-white);
  box-shadow: 0 8px 24px rgba(27, 111, 184, 0.25);
}
.btn--primary:hover {
  background: var(--color-primary-dark);
  box-shadow: 0 12px 32px rgba(27, 111, 184, 0.35);
  transform: translateY(-2px);
}

.btn--ghost {
  background: transparent;
  color: var(--color-white);
  border: 1.5px solid rgba(255, 255, 255, 0.3);
}
.btn--ghost:hover { background: rgba(255, 255, 255, 0.1); border-color: var(--color-white); }

.btn--outline {
  background: transparent;
  color: var(--color-primary);
  border: 1.5px solid var(--color-primary);
}
.btn--outline:hover { background: var(--color-primary); color: var(--color-white); }

.btn--text {
  padding: 0.5rem 0;
  color: var(--color-primary);
  font-weight: 600;
  border-radius: 0;
  border-bottom: 1.5px solid transparent;
}
.btn--text:hover { border-bottom-color: var(--color-primary); }

/* --------------------------------------------------------------------------
   6. Header / Navegación
   -------------------------------------------------------------------------- */
.header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 1.25rem 0;
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border-bottom: 1px solid transparent;
  transition: all var(--t-base);
}
.header.is-scrolled {
  padding: 0.85rem 0;
  background: rgba(255, 255, 255, 0.95);
  border-bottom-color: var(--color-gray-100);
  box-shadow: var(--shadow-sm);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
}

.nav__logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-shrink: 0;
}
.nav__logo img { height: 44px; width: auto; }
.nav__logo-text {
  display: flex;
  flex-direction: column;
  line-height: 1;
}
.nav__logo-text strong {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1rem;
  color: var(--color-dark);
  letter-spacing: -0.01em;
}
.nav__logo-text span {
  font-family: var(--font-display);
  font-style: italic;
  font-size: 0.75rem;
  color: var(--color-primary);
  margin-top: 2px;
}

.nav__menu {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.nav__link {
  font-family: var(--font-heading);
  font-weight: 500;
  font-size: 0.92rem;
  color: var(--color-gray-700);
  position: relative;
  padding: 0.5rem 0;
}
.nav__link:hover, .nav__link.is-active { color: var(--color-primary); }
.nav__link.is-active::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--color-primary);
  border-radius: 2px;
}

.nav__cta-group { display: flex; align-items: center; gap: 1rem; }

.lang-switch {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.4rem 0.85rem;
  border: 1px solid var(--color-gray-300);
  border-radius: 999px;
  font-size: 0.8rem;
  font-weight: 600;
  font-family: var(--font-heading);
  color: var(--color-gray-700);
  transition: all var(--t-fast);
}
.lang-switch:hover { border-color: var(--color-primary); color: var(--color-primary); }
.lang-switch svg { width: 14px; height: 14px; }

.nav__toggle {
  display: none;
  width: 44px;
  height: 44px;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
}
.nav__toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--color-dark);
  position: relative;
  transition: all var(--t-fast);
}
.nav__toggle span::before, .nav__toggle span::after {
  content: '';
  position: absolute;
  left: 0;
  width: 22px;
  height: 2px;
  background: var(--color-dark);
  transition: all var(--t-fast);
}
.nav__toggle span::before { top: -7px; }
.nav__toggle span::after { top: 7px; }
.nav__toggle.is-open span { background: transparent; }
.nav__toggle.is-open span::before { top: 0; transform: rotate(45deg); }
.nav__toggle.is-open span::after { top: 0; transform: rotate(-45deg); }

@media (max-width: 1024px) {
  .nav__toggle { display: flex; }
  .nav__menu {
    position: fixed;
    top: 0; right: -100%;
    width: 320px;
    max-width: 85vw;
    height: 100vh;
    background: var(--color-white);
    flex-direction: column;
    align-items: flex-start;
    padding: 6rem 2rem 2rem;
    gap: 1.25rem;
    box-shadow: -20px 0 60px rgba(0,0,0,0.1);
    transition: right var(--t-base);
    overflow-y: auto;
  }
  .nav__menu.is-open { right: 0; }
  .nav__cta-group .btn--primary { display: none; }
}

/* --------------------------------------------------------------------------
   7. Hero
   -------------------------------------------------------------------------- */
.hero {
  position: relative;
  padding: 9rem 0 5rem;
  overflow: hidden;
  background: var(--color-white);
}

.hero__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  background:
    radial-gradient(ellipse 80% 60% at 80% 20%, rgba(46, 155, 214, 0.08), transparent 60%),
    radial-gradient(ellipse 60% 40% at 10% 80%, rgba(27, 111, 184, 0.06), transparent 60%);
}

.hero__bg::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(27, 111, 184, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(27, 111, 184, 0.04) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 70% 60% at 50% 50%, black 30%, transparent 70%);
  -webkit-mask-image: radial-gradient(ellipse 70% 60% at 50% 50%, black 30%, transparent 70%);
}

.hero__inner {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: clamp(2rem, 5vw, 5rem);
  align-items: center;
}

.hero__content > * + * { margin-top: 1.5rem; }
.hero__content .eyebrow { animation: fadeInUp 0.8s ease both; }

.hero__title {
  font-size: clamp(2.5rem, 6vw, 4.75rem);
  line-height: 1.05;
  font-weight: 800;
  color: var(--color-dark);
  animation: fadeInUp 0.8s 0.1s ease both;
}
.hero__title .accent {
  font-family: var(--font-display);
  font-style: italic;
  font-weight: 500;
  color: var(--color-primary);
  position: relative;
  display: inline-block;
}
.hero__title .accent::after {
  content: '';
  position: absolute;
  left: 0; right: 0; bottom: 0.05em;
  height: 0.12em;
  background: var(--color-accent);
  opacity: 0.5;
  z-index: -1;
}

.hero__lead {
  font-size: clamp(1.05rem, 1.4vw, 1.2rem);
  color: var(--color-gray-700);
  max-width: 560px;
  animation: fadeInUp 0.8s 0.2s ease both;
}

.hero__ctas {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  margin-top: 2rem;
  animation: fadeInUp 0.8s 0.3s ease both;
}

.hero__stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  margin-top: 3rem;
  padding-top: 2rem;
  border-top: 1px solid var(--color-gray-300);
  animation: fadeInUp 0.8s 0.4s ease both;
}
.hero__stat strong {
  display: block;
  font-family: var(--font-heading);
  font-size: clamp(1.75rem, 3vw, 2.25rem);
  font-weight: 700;
  color: var(--color-dark);
  line-height: 1;
}
.hero__stat span {
  font-size: 0.85rem;
  color: var(--color-gray-500);
  display: block;
  margin-top: 0.5rem;
}

/* Hero visual (lado derecho) */
.hero__visual {
  position: relative;
  aspect-ratio: 1 / 1.05;
  animation: fadeInUp 1s 0.3s ease both;
}

.hero__visual-card {
  position: absolute;
  inset: 0;
  background: var(--gradient-hero);
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-xl);
}
.hero__visual-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 80% 20%, rgba(255,255,255,0.15), transparent 50%),
    radial-gradient(ellipse at 20% 90%, rgba(242, 184, 7, 0.2), transparent 50%);
}
.hero__visual-card::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='100' height='100' viewBox='0 0 100 100'%3E%3Ccircle cx='50' cy='50' r='1' fill='white' opacity='0.15'/%3E%3C/svg%3E");
  background-size: 30px 30px;
  opacity: 0.4;
}

.hero__visual-content {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 2rem;
  z-index: 2;
  color: var(--color-white);
}

.hero__visual-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  background: rgba(255,255,255,0.15);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255,255,255,0.2);
  border-radius: 999px;
  font-size: 0.8rem;
  font-weight: 500;
  font-family: var(--font-heading);
  align-self: flex-start;
}
.hero__visual-tag::before {
  content: '';
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-accent);
  box-shadow: 0 0 12px var(--color-accent);
  animation: pulse 2s infinite;
}

.hero__visual-quote {
  font-family: var(--font-display);
  font-style: italic;
  font-size: clamp(1.25rem, 2vw, 1.6rem);
  line-height: 1.4;
  font-weight: 400;
}
.hero__visual-quote::before {
  content: '"';
  font-size: 4rem;
  line-height: 0.5;
  display: block;
  margin-bottom: 0.5rem;
  font-family: serif;
  color: var(--color-accent);
}

.hero__visual-meta {
  display: flex;
  justify-content: space-between;
  align-items: end;
  font-size: 0.85rem;
}

/* Floating cards encima del hero visual */
.hero__float-card {
  position: absolute;
  background: var(--color-white);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  padding: 1rem 1.25rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  z-index: 3;
  font-family: var(--font-heading);
}
.hero__float-card--1 {
  top: 15%;
  left: -8%;
  animation: floatY 6s ease-in-out infinite;
}
.hero__float-card--2 {
  bottom: 18%;
  right: -8%;
  animation: floatY 6s ease-in-out infinite reverse;
}
.hero__float-card-icon {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: var(--gradient-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-white);
  flex-shrink: 0;
}
.hero__float-card-text strong {
  display: block;
  font-size: 0.9rem;
  color: var(--color-dark);
  font-weight: 700;
}
.hero__float-card-text span {
  font-size: 0.75rem;
  color: var(--color-gray-500);
  font-family: var(--font-body);
}

@media (max-width: 900px) {
  .hero__inner { grid-template-columns: 1fr; }
  .hero__visual { max-width: 480px; margin: 0 auto; }
  .hero__stats { grid-template-columns: 1fr 1fr 1fr; gap: 1rem; }
}
@media (max-width: 540px) {
  .hero__stats { grid-template-columns: 1fr; gap: 1.5rem; }
  .hero__float-card--1 { left: 0; top: 8%; }
  .hero__float-card--2 { right: 0; bottom: 8%; }
}

/* --------------------------------------------------------------------------
   8. Marquee (instituciones / clientes)
   -------------------------------------------------------------------------- */
.marquee {
  padding: 2.5rem 0;
  background: var(--color-gray-100);
  overflow: hidden;
  border-top: 1px solid var(--color-gray-300);
  border-bottom: 1px solid var(--color-gray-300);
}
.marquee__label {
  text-align: center;
  font-family: var(--font-heading);
  font-size: 0.78rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--color-gray-500);
  margin-bottom: 1.5rem;
}
.marquee__track {
  display: flex;
  gap: 4rem;
  animation: scroll-x 40s linear infinite;
  width: max-content;
}
.marquee__item {
  font-family: var(--font-display);
  font-style: italic;
  font-size: clamp(1.25rem, 2.5vw, 1.75rem);
  font-weight: 500;
  color: var(--color-gray-500);
  white-space: nowrap;
  display: flex;
  align-items: center;
  gap: 4rem;
}
.marquee__item::after {
  content: '✦';
  font-size: 0.9rem;
  color: var(--color-primary);
  font-style: normal;
}

/* --------------------------------------------------------------------------
   9. Servicios (cards)
   -------------------------------------------------------------------------- */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
}

.service-card {
  background: var(--color-white);
  border: 1px solid var(--color-gray-300);
  border-radius: var(--radius-lg);
  padding: 2rem;
  transition: all var(--t-base);
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}
.service-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--gradient-primary);
  opacity: 0;
  transition: opacity var(--t-base);
  z-index: 0;
}
.service-card > * { position: relative; z-index: 1; }

.service-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: transparent;
}
.service-card:hover::before { opacity: 1; }
.service-card:hover .service-card__title,
.service-card:hover .service-card__desc,
.service-card:hover .service-card__num,
.service-card:hover .service-card__link { color: var(--color-white); }
.service-card:hover .service-card__icon {
  background: rgba(255,255,255,0.15);
  border-color: rgba(255,255,255,0.3);
  color: var(--color-white);
}
.service-card:hover .service-card__num { border-color: rgba(255,255,255,0.3); }

.service-card__num {
  font-family: var(--font-display);
  font-style: italic;
  font-size: 0.9rem;
  color: var(--color-gray-500);
  padding-bottom: 0.5rem;
  margin-bottom: 1.5rem;
  border-bottom: 1px solid var(--color-gray-300);
  transition: all var(--t-base);
}

.service-card__icon {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-md);
  background: rgba(27, 111, 184, 0.08);
  border: 1px solid rgba(27, 111, 184, 0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
  margin-bottom: 1.25rem;
  transition: all var(--t-base);
}
.service-card__icon svg { width: 28px; height: 28px; }

.service-card__title {
  font-size: 1.3rem;
  margin-bottom: 0.75rem;
  color: var(--color-dark);
  transition: color var(--t-base);
}

.service-card__desc {
  color: var(--color-gray-700);
  line-height: 1.65;
  font-size: 0.95rem;
  margin-bottom: 1.5rem;
  transition: color var(--t-base);
  flex-grow: 1;
}

.service-card__link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--color-primary);
  margin-top: auto;
  transition: all var(--t-base);
}
.service-card__link svg {
  width: 14px;
  height: 14px;
  transition: transform var(--t-fast);
}
.service-card:hover .service-card__link svg { transform: translateX(4px); }

/* --------------------------------------------------------------------------
   10. Sección "About" / split
   -------------------------------------------------------------------------- */
.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(2rem, 6vw, 5rem);
  align-items: center;
}
.split--reverse .split__media { order: 2; }
@media (max-width: 900px) {
  .split { grid-template-columns: 1fr; }
  .split--reverse .split__media { order: 0; }
}

.split__media {
  position: relative;
  aspect-ratio: 4 / 5;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--color-gray-100);
}
.split__media-placeholder {
  position: absolute;
  inset: 0;
  background: var(--gradient-hero);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: rgba(255,255,255,0.85);
  text-align: center;
  padding: 2rem;
  font-family: var(--font-heading);
}
.split__media-placeholder::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='40' height='40' viewBox='0 0 40 40'%3E%3Cpath d='M20 20L0 0M20 20L40 0M20 20L0 40M20 20L40 40' stroke='white' stroke-width='0.3' opacity='0.15'/%3E%3C/svg%3E");
  opacity: 0.5;
}
.split__media-placeholder svg { width: 48px; height: 48px; margin-bottom: 1rem; opacity: 0.7; }
.split__media-placeholder strong { font-size: 0.85rem; font-weight: 600; letter-spacing: 0.1em; text-transform: uppercase; opacity: 0.8; }
.split__media-placeholder span { font-size: 0.75rem; opacity: 0.6; margin-top: 0.5rem; max-width: 220px; }

.split__media-decor {
  position: absolute;
  background: var(--color-accent);
  width: 80px;
  height: 80px;
  border-radius: var(--radius-md);
  top: -20px;
  right: -20px;
  z-index: 0;
}
.split__media-decor--2 {
  top: auto;
  right: auto;
  bottom: -20px;
  left: -20px;
  width: 100px;
  height: 100px;
  background: var(--color-primary);
  border-radius: 50%;
  opacity: 0.15;
}

.split__content > * + * { margin-top: 1.25rem; }
.split__content h2 { margin-top: 1rem; }
.split__content p { color: var(--color-gray-700); line-height: 1.75; }

.split__features {
  margin-top: 2rem;
  display: grid;
  gap: 1.25rem;
}
.split__feature {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
}
.split__feature-icon {
  flex-shrink: 0;
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: rgba(27, 111, 184, 0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
}
.split__feature-icon svg { width: 18px; height: 18px; }
.split__feature h4 { font-size: 1rem; margin-bottom: 0.2rem; color: var(--color-dark); }
.split__feature p { font-size: 0.9rem; color: var(--color-gray-700); }

/* --------------------------------------------------------------------------
   11. Stats / cifras destacadas
   -------------------------------------------------------------------------- */
.stats-band {
  background: var(--color-dark);
  color: var(--color-white);
  position: relative;
  overflow: hidden;
}
.stats-band::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 50% 80% at 100% 0%, rgba(46, 155, 214, 0.15), transparent 60%),
    radial-gradient(ellipse 50% 80% at 0% 100%, rgba(27, 111, 184, 0.15), transparent 60%);
}
.stats-band > * { position: relative; }

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 2rem;
}
.stat {
  text-align: left;
  padding: 1.5rem 0;
}
.stat strong {
  display: block;
  font-family: var(--font-heading);
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 700;
  color: var(--color-white);
  line-height: 1;
  letter-spacing: -0.02em;
}
.stat strong .unit {
  color: var(--color-accent);
  font-family: var(--font-display);
  font-style: italic;
  font-weight: 500;
}
.stat p {
  margin-top: 0.75rem;
  color: var(--color-gray-300);
  font-size: 0.95rem;
  max-width: 220px;
}

/* --------------------------------------------------------------------------
   12. CTA Banner
   -------------------------------------------------------------------------- */
.cta-banner {
  position: relative;
  background: var(--gradient-hero);
  border-radius: var(--radius-xl);
  padding: clamp(3rem, 6vw, 5rem);
  color: var(--color-white);
  overflow: hidden;
  text-align: center;
}
.cta-banner::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at top right, rgba(255,255,255,0.15), transparent 50%);
}
.cta-banner > * { position: relative; }
.cta-banner h2 { color: var(--color-white); margin-bottom: 1rem; }
.cta-banner p { color: rgba(255,255,255,0.85); font-size: 1.1rem; max-width: 580px; margin: 0 auto 2rem; }
.cta-banner .btn--primary { background: var(--color-white); color: var(--color-primary); }
.cta-banner .btn--primary:hover { background: var(--color-accent); color: var(--color-dark); }

/* --------------------------------------------------------------------------
   13. Footer
   -------------------------------------------------------------------------- */
.footer {
  background: var(--color-dark);
  color: var(--color-gray-300);
  padding: 5rem 0 2rem;
  position: relative;
}
.footer::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--color-primary), transparent);
}

.footer__grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 3rem;
  padding-bottom: 3rem;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
@media (max-width: 900px) { .footer__grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 540px) { .footer__grid { grid-template-columns: 1fr; gap: 2.5rem; } }

.footer__brand .nav__logo-text strong { color: var(--color-white); }
.footer__about {
  margin-top: 1.25rem;
  font-size: 0.9rem;
  line-height: 1.7;
  max-width: 320px;
  color: var(--color-gray-300);
}

.footer__title {
  font-family: var(--font-heading);
  color: var(--color-white);
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  margin-bottom: 1.25rem;
}
.footer__list { display: flex; flex-direction: column; gap: 0.75rem; }
.footer__list a {
  color: var(--color-gray-300);
  font-size: 0.92rem;
  transition: color var(--t-fast);
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}
.footer__list a:hover { color: var(--color-white); }
.footer__list a svg { width: 14px; height: 14px; opacity: 0.6; }

.footer__contact-item { display: flex; gap: 0.75rem; align-items: flex-start; font-size: 0.9rem; line-height: 1.5; }
.footer__contact-item svg { width: 16px; height: 16px; color: var(--color-primary-light); flex-shrink: 0; margin-top: 3px; }
.footer__contact-item + .footer__contact-item { margin-top: 0.85rem; }

.footer__social { display: flex; gap: 0.75rem; margin-top: 1.5rem; }
.footer__social a {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: rgba(255,255,255,0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--t-fast);
  color: var(--color-gray-300);
}
.footer__social a:hover {
  background: var(--color-primary);
  color: var(--color-white);
  transform: translateY(-2px);
}
.footer__social svg { width: 16px; height: 16px; }

.footer__bottom {
  padding-top: 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
  font-size: 0.85rem;
  color: var(--color-gray-500);
}
.footer__bottom-links { display: flex; gap: 1.5rem; }
.footer__bottom-links a:hover { color: var(--color-white); }

/* --------------------------------------------------------------------------
   14. Page hero (interior pages)
   -------------------------------------------------------------------------- */
.page-hero {
  position: relative;
  padding: 11rem 0 5rem;
  background: var(--color-gray-100);
  overflow: hidden;
}
.page-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 60% 50% at 90% 10%, rgba(46, 155, 214, 0.1), transparent 60%),
    radial-gradient(ellipse 50% 40% at 0% 100%, rgba(27, 111, 184, 0.08), transparent 60%);
}
.page-hero__inner { position: relative; max-width: 820px; }
.page-hero h1 { margin-top: 1rem; margin-bottom: 1.5rem; }
.page-hero h1 .accent { font-family: var(--font-display); font-style: italic; font-weight: 500; color: var(--color-primary); }
.page-hero .lead { color: var(--color-gray-700); }
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-heading);
  font-size: 0.85rem;
  color: var(--color-gray-500);
}
.breadcrumb a { color: var(--color-gray-500); transition: color var(--t-fast); }
.breadcrumb a:hover { color: var(--color-primary); }
.breadcrumb svg { width: 12px; height: 12px; }
.breadcrumb span { color: var(--color-primary); font-weight: 500; }

/* --------------------------------------------------------------------------
   15. Process / Steps
   -------------------------------------------------------------------------- */
.steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 2rem;
  position: relative;
}
.step { position: relative; }
.step__num {
  font-family: var(--font-display);
  font-style: italic;
  font-weight: 500;
  font-size: 3.5rem;
  color: var(--color-primary);
  line-height: 1;
  display: block;
  margin-bottom: 1rem;
  opacity: 0.6;
}
.step h4 {
  font-size: 1.15rem;
  margin-bottom: 0.5rem;
  color: var(--color-dark);
}
.step p { font-size: 0.95rem; color: var(--color-gray-700); }

/* --------------------------------------------------------------------------
   16. Form / Contacto
   -------------------------------------------------------------------------- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: clamp(2rem, 5vw, 4rem);
  align-items: start;
}
@media (max-width: 900px) { .contact-grid { grid-template-columns: 1fr; } }

.contact-info {
  background: var(--color-dark);
  color: var(--color-white);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  position: relative;
  overflow: hidden;
}
.contact-info::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at top right, rgba(46, 155, 214, 0.2), transparent 50%);
}
.contact-info > * { position: relative; }
.contact-info h3 { color: var(--color-white); margin-bottom: 0.5rem; }
.contact-info > p { color: var(--color-gray-300); margin-bottom: 2rem; font-size: 0.95rem; }
.contact-info__item { display: flex; gap: 1rem; align-items: flex-start; padding: 1.25rem 0; border-top: 1px solid rgba(255,255,255,0.08); }
.contact-info__item:first-of-type { border-top: none; padding-top: 0; }
.contact-info__icon {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: rgba(46, 155, 214, 0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary-light);
  flex-shrink: 0;
}
.contact-info__icon svg { width: 18px; height: 18px; }
.contact-info__item strong { display: block; color: var(--color-white); font-family: var(--font-heading); font-size: 0.85rem; text-transform: uppercase; letter-spacing: 0.1em; margin-bottom: 0.25rem; }
.contact-info__item span, .contact-info__item a { color: var(--color-gray-300); font-size: 0.95rem; line-height: 1.5; }
.contact-info__item a:hover { color: var(--color-primary-light); }

.form {
  background: var(--color-white);
  border: 1px solid var(--color-gray-300);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
}
.form__row { display: grid; grid-template-columns: 1fr 1fr; gap: 1.25rem; margin-bottom: 1.25rem; }
@media (max-width: 600px) { .form__row { grid-template-columns: 1fr; } }
.form__group { margin-bottom: 1.25rem; }
.form__label {
  display: block;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.85rem;
  color: var(--color-dark);
  margin-bottom: 0.5rem;
}
.form__input, .form__select, .form__textarea {
  width: 100%;
  padding: 0.85rem 1rem;
  font-family: var(--font-body);
  font-size: 0.95rem;
  color: var(--color-dark);
  background: var(--color-gray-100);
  border: 1.5px solid transparent;
  border-radius: var(--radius-sm);
  transition: all var(--t-fast);
}
.form__input:focus, .form__select:focus, .form__textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  background: var(--color-white);
  box-shadow: 0 0 0 4px rgba(27, 111, 184, 0.1);
}
.form__textarea { resize: vertical; min-height: 130px; }

.form__checkbox {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  margin-bottom: 1.5rem;
  font-size: 0.85rem;
  color: var(--color-gray-700);
  line-height: 1.5;
}
.form__checkbox input { margin-top: 3px; accent-color: var(--color-primary); }
.form__checkbox a { color: var(--color-primary); text-decoration: underline; }
.form__submit { width: 100%; justify-content: center; }
.form__msg {
  display: none;
  padding: 1rem;
  border-radius: var(--radius-sm);
  margin-top: 1rem;
  font-size: 0.9rem;
}
.form__msg.is-success { display: block; background: #E8F4EA; color: #1F7A2E; border: 1px solid #B5DEC0; }
.form__msg.is-error { display: block; background: #FBEAEA; color: #B5302E; border: 1px solid #F4C5C4; }

/* --------------------------------------------------------------------------
   17. FAQ / Accordion
   -------------------------------------------------------------------------- */
.faq-list { max-width: 820px; margin: 0 auto; }
.faq-item {
  border-bottom: 1px solid var(--color-gray-300);
}
.faq-item__btn {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.5rem 0;
  text-align: left;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 1.05rem;
  color: var(--color-dark);
  transition: color var(--t-fast);
}
.faq-item__btn:hover { color: var(--color-primary); }
.faq-item__icon {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  border: 1.5px solid var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: var(--color-primary);
  transition: transform var(--t-fast);
}
.faq-item.is-open .faq-item__icon { transform: rotate(45deg); background: var(--color-primary); color: var(--color-white); }
.faq-item__icon svg { width: 14px; height: 14px; }
.faq-item__panel {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--t-base);
}
.faq-item.is-open .faq-item__panel { max-height: 600px; }
.faq-item__content {
  padding-bottom: 1.5rem;
  color: var(--color-gray-700);
  line-height: 1.7;
  font-size: 0.95rem;
  max-width: 90%;
}

/* --------------------------------------------------------------------------
   18. Animaciones
   -------------------------------------------------------------------------- */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}
@keyframes floatY {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-12px); }
}
@keyframes scroll-x {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}
.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* --------------------------------------------------------------------------
   19. Utilidades
   -------------------------------------------------------------------------- */
.text-center { text-align: center; }
.mt-0 { margin-top: 0 !important; }
.mb-0 { margin-bottom: 0 !important; }
.divider {
  width: 60px;
  height: 3px;
  background: var(--color-primary);
  margin: 0 auto 2rem;
  border-radius: 999px;
}

/* Scrollbar */
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: var(--color-gray-100); }
::-webkit-scrollbar-thumb { background: var(--color-gray-300); border-radius: 10px; }
::-webkit-scrollbar-thumb:hover { background: var(--color-primary); }

/* Selección */
::selection { background: var(--color-primary); color: var(--color-white); }