/* ============================================
   PORTAL DE CONEXIONES — INTEGRACIONES
   Prefijo: sc-  (site-conexiones)
   ============================================ */

/* --- TOKENS --- */
:root {
--sc-verde-claro: #c7fff7;
--sc-verde-aguamarina: #9bfff6;
--sc-cian-brillante: #00e5e0;
--sc-cian-profundo: #00d1d2;
--sc-azul-verde: #0098a1;
--sc-teal-oscuro: #007c7c;
--sc-verde-musgo: #004f4d;
--sc-lila-claro: #f8eafc;
--sc-rosa-suave: #f3cffb;
--sc-purpura: #6829d0;
--sc-morado-oscuro: #3d0866;
--sc-indigo: #2d1470;
--sc-obsidiana: #1b2036;
--sc-ambar: #d8b039;
--sc-amarillo-miel: #ffcd2e;
--sc-carbon-arcilloso:  #1A0402;
--sc-caoba-profunda:    #420D07;
--sc-arcilla-quemada:   #6A180E;
--sc-terracota-oscura:  #922314;
--sc-rojo-ladrillo:     #ba2f19;
--sc-terracota-viva:     #DC4918;
--sc-mandarina-rustica:  #EA5615;
--sc-coral-andino:       #EF6B38;
--sc-salmon-tropical:    #F4835B;
--sc-durazno-calido:     #F89B7D;
--sc-albaricoque-suave:  #FBB49F;
--sc-salmon-claro:       #FDCBC0;
--sc-salmon-ligth:       #feeae5;
--sc-salmon-soft:       #fff6f4;
--sc-azul-neblina: #61909e;
--sc-gris-mineral: #958e87;

/* Aliases funcionales */
--sc-bg: #f5f8f8;
--sc-bg-alt: #eef6f5;
--sc-surface: #ffffff;
--sc-ink: #0d1f1e;
--sc-ink-muted: #4a6160;
--sc-ink-light: #8aabaa;
--sc-accent: var(--sc-cian-profundo);
--sc-accent-dim: var(--sc-verde-claro);
--sc-accent-dark: var(--sc-teal-oscuro);
--sc-border: rgba(0, 180, 176, 0.15);
--sc-border-mid: rgba(0, 180, 176, 0.3);

/* Tipografía */
--sc-font-display: 'DM Serif Display', Georgia, serif;
--sc-font-body: 'DM Sans', system-ui, sans-serif;

/* Espaciado / Geometría */
--sc-nav-h: 68px;
--sc-radius: 12px;
--sc-radius-lg: 20px;
--sc-transition: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

/* --- RESET BASE --- */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 0.96rem;
}

body {
  background-color: var(--sc-bg);
  color: var(--sc-ink);
  line-height: 1.7;
  overflow-x: hidden;
}

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

a {
  color: inherit;
  font-size: 0.82rem;
  text-decoration: none;
  display: flex;
  align-items: center;
  margin-left: 1rem;
  gap: 2px;
}

/* ============================================
   NAV (BARRA DE NAVEGACIÓN)
   ============================================ */
.sc-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(245, 248, 248, 0.88);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--sc-border);
  transition: background var(--sc-transition);
}

.sc-nav.sc-nav--scrolled {
  background: rgba(245, 248, 248, 0.97);
  border-bottom-color: var(--sc-border-mid);
}

.sc-nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin: 0 auto;
  padding: 0 28px;
  height: var(--sc-nav-h);
  gap: 24px;
}

.sc-nav__logo {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

.sc-nav__logo-img {
  width: 32px;
  height: 32px;
  border-radius: 8px;
}

.sc-nav__logo-text {
  font-size: 1.1rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--sc-verde-musgo);
}

.sc-nav__links {
  display: flex;
  align-items: center;
  gap: 8px;
}

.sc-nav__link {
  font-size: 13.5px;
  font-weight: 400;
  color: var(--sc-ink-muted);
  padding: 6px 12px;
  border-radius: 6px;
  transition: color var(--sc-transition), background var(--sc-transition);
}

.sc-nav__link:hover {
  color: var(--sc-ink);
  background: var(--sc-accent-dim);
}

.sc-nav__link--active {
  color: var(--sc-accent-dark);
  font-weight: 500;
}

/* Menú Hamburguesa */
.sc-nav__hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  border-radius: 6px;
  transition: background var(--sc-transition);
}

.sc-nav__hamburger:hover {
  background: var(--sc-accent-dim);
}

.sc-nav__bar {
  display: block;
  width: 22px;
  height: 1.5px;
  background: var(--sc-ink);
  border-radius: 2px;
  transition: transform var(--sc-transition), opacity var(--sc-transition);
}

.sc-nav__hamburger.sc-is-open .sc-nav__bar:nth-child(1) {
  transform: translateY(6.5px) rotate(45deg);
}
.sc-nav__hamburger.sc-is-open .sc-nav__bar:nth-child(2) {
  opacity: 0;
}
.sc-nav__hamburger.sc-is-open .sc-nav__bar:nth-child(3) {
  transform: translateY(-6.5px) rotate(-45deg);
}

/* Menú Desplegable Móvil */
.sc-nav__mobile {
  display: flex;
  flex-direction: column;
  background: var(--sc-surface);
  border-top: 1px solid var(--sc-border-mid);
  padding: 0;
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1), padding var(--sc-transition);
}

.sc-nav__mobile.sc-is-open {
  max-height: 320px;
  padding: 12px 0 16px;
}

.sc-nav__mobile-link {
  font-size: 16px;
  font-weight: 400;
  color: var(--sc-ink-muted);
  padding: 12px 28px;
  transition: color var(--sc-transition), background var(--sc-transition);
}

.sc-nav__mobile-link:hover {
  color: var(--sc-ink);
  background: var(--sc-accent-dim);
}

/* ============================================
   HERO
   ============================================ */
.sc-hero {
  min-height: 100svh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: calc(var(--sc-nav-h) + 60px) 28px 80px;
  max-width: 82rem;
  margin: 0 auto;
  position: relative;
  overflow: hidden;
}

.sc-hero__bg-text {
  position: absolute;
  right: -2rem;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--sc-font-display);
  font-size: clamp(120px, 18vw, 260px);
  font-weight: 400;
  color: var(--sc-salmon-ligth);
  letter-spacing: -0.04em;
  pointer-events: none;
  user-select: none;
  line-height: 1;
  opacity: 0.7;
}

.sc-hero__content {
  position: relative;
  z-index: 1;
  max-width: 680px;
}

.sc-hero__eyebrow {
  font-size: 12px;
  font-weight: 400;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--sc-rojo-ladrillo);
  margin-bottom: 24px;
}

.sc-hero__title {
  font-family: var(--sc-font-display);
  font-size: clamp(52px, 7vw, 96px);
  font-weight: 400;
  line-height: 1.04;
  letter-spacing: -0.03em;
  color: var(--sc-obsidiana);
  margin-bottom: 28px;
}

.sc-hero__title em {
  font-style: italic;
  color: var(--sc-terracota-viva);
}

.sc-hero__sub {
  font-size: 18px;
  font-weight: 300;
  color: var(--sc-ink-muted);
  max-width: 480px;
  margin-bottom: 44px;
  line-height: 1.65;
}

.sc-hero__scroll-hint {
  position: absolute;
  bottom: 40px;
  left: 28px;
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--sc-ink-light);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.sc-scroll-dot {
  animation: sc-bounce 1.8s ease-in-out infinite;
}

@keyframes sc-bounce {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(6px); }
}

/* ============================================
   BOTONES
   ============================================ */
.sc-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--sc-font-body);
  font-size: 14px;
  font-weight: 500;
  padding: 14px 28px;
  border-radius: 40px;
  cursor: pointer;
  transition: transform var(--sc-transition), background var(--sc-transition), color var(--sc-transition);
}

.sc-btn:active {
  transform: scale(0.97);
}

.sc-btn--primary {
  background: var(--sc-carbon-arcilloso);
  color: var(--sc-coral-andino);
  border: none;
}

.sc-btn--primary:hover {
  background: var(--sc-caoba-profunda);
}

.sc-btn--outline {
  background: transparent;
  color: var(--sc-obsidiana);
  border: 1.5px solid var(--sc-obsidiana);
}

.sc-btn--outline:hover {
  background: var(--sc-carbon-arcilloso);
  color: var(--sc-coral-andino);
}

/* ============================================
   INTRO
   ============================================ */
.sc-intro {
  padding: 100px 28px;
  max-width: 1180px;
  margin: 0 auto;
  display: flex;
  align-items: flex-start;
  gap: 80px;
  border-top: 1px solid var(--sc-border);
}

.sc-intro__inner {
  flex: 1 1 60%;
}

.sc-intro__label {
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--sc-rojo-ladrillo);
  margin-bottom: 20px;
}

.sc-intro__body {
  font-size: clamp(18px, 2.4vw, 24px);
  font-weight: 300;
  color: var(--sc-obsidiana);
  line-height: 1.6;
  max-width: 580px;
}

.sc-intro__tags {
  flex: 0 0 auto;
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding-top: 4px;
}

.sc-tag {
  font-size: 12px;
  font-weight: 400;
  letter-spacing: 0.04em;
  color: var(--sc-terracota-oscura);
  background: var(--sc-albaricoque-suave);
  padding: 6px 14px;
  border-radius: 20px;
  white-space: nowrap;
}

/* ============================================
   PORTALES (HEADER)
   ============================================ */
.sc-portales {
  padding: 80px 28px 120px;
  max-width: 1180px;
  margin: 0 auto;
}

.sc-portales__header {
  margin-bottom: 60px;
}

.sc-portales__label {
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--sc-rojo-ladrillo);
  margin-bottom: 16px;
}

.sc-portales__title {
  font-family: var(--sc-font-display);
  font-size: clamp(38px, 5vw, 68px);
  font-weight: 400;
  line-height: 1.08;
  letter-spacing: -0.025em;
  color: var(--sc-obsidiana);
}

.sc-portales__title em {
  font-style: italic;
  color: var(--sc-verde-musgo);
}

/* ============================================
   SECCIONES FULL-WIDTH (CONTENEDOR Y TARJETAS)
   ============================================ */
.sc-services-container {
  display: flex;
  flex-direction: column;
  gap: 40px; /* Separación intencional entre los bloques a pantalla completa */
  width: 100%;
}

.sc-service-section {
  width: 100vw;
  min-height: 100vh;
  margin-left: calc(-50vw + 50%); /* Rompe el contenedor padre para expandirse de borde a borde */
  margin-right: calc(-50vw + 50%);
  background: var(--sc-surface);
  border-top: 1px solid var(--sc-border-mid);
  border-bottom: 1px solid var(--sc-border-mid);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 80px 28px;
  
  /* Estado inactivo por defecto: sutil opacidad y escala reducida */
  opacity: 0.35;
  transform: scale(0.96);
  will-change: opacity, transform;
  transition: opacity 0.6s cubic-bezier(0.25, 1, 0.5, 1), 
              transform 0.6s cubic-bezier(0.25, 1, 0.5, 1),
              background-color 0.4s ease;
}

/* Estado Activo: Se detona mediante el IntersectionObserver en JS */
.sc-service-section.sc-service-active {
  opacity: 1;
  transform: scale(1);
  background-color: var(--sc-salmon-soft);
  border-color: var(--sc-terracota-viva);
}

.sc-service-section__inner {
  display: flex;
  gap: 60px;
  max-width: 1180px;
  width: 100%;
  margin: 0 auto;
  align-items: flex-start;
}

.sc-service-section__left {
  flex: 0 0 120px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.sc-service-section__num {
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.1em;
  color: var(--sc-ink-light);
}

.sc-service-section__icon img {
  width: 100px;
  height: 100px;
  border-radius: var(--sc-radius-lg);
  object-fit: cover;
  box-shadow: 0 8px 24px rgba(0, 180, 176, 0.08);
}

.sc-service-section__right {
  flex: 1;
}

.sc-service-section__title {
  font-family: var(--sc-font-display);
  font-size: clamp(32px, 4vw, 48px);
  font-weight: 400;
  letter-spacing: -0.02em;
  color: var(--sc-obsidiana);
  margin-bottom: 20px;
  line-height: 1.1;
}

.sc-service-section__text {
  font-size: clamp(15px, 1.8vw, 17px);
  font-weight: 300;
  color: var(--sc-ink-muted);
  line-height: 1.75;
  max-width: 720px;
  margin-bottom: 36px;
}

.sc-service-section__btns {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

/* Fondos personalizados sutiles para los estados activos (Respetando la paleta de color rural) */
#alternativas.sc-service-active { background: #f2efed; }
#alianzas.sc-service-active     { background: #fff9f5; }
#obras.sc-service-active        { background: #f2efed; }
#enfoques.sc-service-active     { background: #fff9f5; }
#exploracion.sc-service-active  { background: #f2efed; }
#retos.sc-service-active        { background: #fff9f5; }
#integracion.sc-service-active  { background: #f2efed; }

/* ============================================
   MANIFIESTO
   ============================================ */
.sc-manifiesto {
  background: var(--sc-arcilla-quemada);
  margin: 0;
  padding: 100px 28px;
  display: flex;
  align-items: center;
  gap: 80px;
  overflow: hidden;
}

.sc-manifiesto__inner {
  flex: 1 1 55%;
  max-width: 1180px;
  margin-left: auto;
  padding-left: 0;
}

@media (min-width: 1180px) {
  .sc-manifiesto {
    justify-content: center;
  }
  .sc-manifiesto__inner {
    max-width: 560px;
    margin-left: 0;
  }
}

.sc-manifiesto__label {
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--sc-mandarina-rustica);
  margin-bottom: 28px;
}

.sc-manifiesto__quote {
  font-family: var(--sc-font-display);
  font-size: clamp(22px, 3vw, 34px);
  font-weight: 400;
  font-style: italic;
  color: var(--sc-durazno-calido);
  line-height: 1.4;
  letter-spacing: -0.015em;
  margin-bottom: 28px;
  list-style: none;
}

.sc-manifiesto__copy {
  font-size: 16px;
  font-weight: 300;
  color: var(--sc-salmon-claro);
  line-height: 1.7;
  max-width: 500px;
}

.sc-manifiesto__img-col {
  flex: 0 0 38%;
  max-width: 400px;
}

.sc-manifiesto__img {
  width: 100%;
  height: 480px;
  object-fit: cover;
  border-radius: var(--sc-radius-lg);
  opacity: 0.75;
  filter: saturate(0.7);
}

/* ============================================
   FOOTER (PIE DE PÁGINA)
   ============================================ */
.sc-footer {
  background: var(--sc-bg-alt);
  border-top: 1px solid var(--sc-border-mid);
  padding: 60px 28px 48px;
}

.sc-footer__inner {
  max-width: 1180px;
  margin: 0 auto;
  display: flex;
  align-items: flex-start;
  gap: 60px;
  flex-wrap: wrap;
}

.sc-footer__brand {
  display: flex;
  align-items: center;
  gap: 14px;
  flex: 0 0 auto;
}

.sc-footer__logo {
  width: 36px;
  height: 36px;
  border-radius: 8px;
}

.sc-footer__tagline {
  font-size: 13px;
  font-weight: 300;
  color: var(--sc-ink-muted);
  line-height: 1.5;
}

.sc-footer__nav {
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
  align-items: center;
  flex: 1 1 auto;
}

.sc-footer__nav a {
  font-size: 13px;
  color: var(--sc-ink-muted);
  transition: color var(--sc-transition);
}

.sc-footer__nav a:hover {
  color: var(--sc-terracota-viva);
}

.sc-footer__copy {
  width: 100%;
  padding-top: 32px;
  border-top: 1px solid var(--sc-border);
  font-size: 12px;
  color: var(--sc-ink-light);
}

/* ============================================
   REVEAL SCROLL ANIMATIONS (GENERALES)
   ============================================ */
.sc-reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.sc-reveal.sc-visible {
  opacity: 1;
  transform: translateY(0);
}

/* ============================================
   MEDIA QUERIES (RESPONSIVO Y ACCESIBILIDAD)
   ============================================ */

/* Alturas de pantalla compactas (Laptops pequeñas o modo landscape) */
@media (max-height: 700px) {
  .sc-service-section {
    min-height: auto;
    padding: 60px 24px;
  }
}

/* Tablets y pantallas medianas */
@media (max-width: 860px) {
  .sc-nav__links {
    display: none;
  }

  .sc-nav__hamburger {
    display: flex;
  }

  .sc-hero__bg-text {
    font-size: clamp(80px, 20vw, 140px);
    opacity: 0.4;
  }

  .sc-intro {
    flex-direction: column;
    gap: 36px;
    padding: 72px 20px;
  }

  .sc-intro__tags {
    flex-direction: row;
    flex-wrap: wrap;
  }

  .sc-service-section {
    padding: 80px 20px;
  }
  
  .sc-service-section__inner {
    flex-direction: column;
    gap: 24px;
  }
  
  .sc-service-section__left {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    width: 100%;
  }

  .sc-service-section__icon img {
    width: 72px;
    height: 72px;
  }

  .sc-manifiesto {
    flex-direction: column;
    gap: 44px;
    padding: 80px 20px;
  }

  .sc-manifiesto__img-col {
    max-width: 100%;
    width: 100%;
  }

  .sc-manifiesto__img {
    height: 280px;
  }

  .sc-footer__inner {
    flex-direction: column;
    gap: 32px;
  }
}

/* Smartphones y pantallas compactas */
@media (max-width: 560px) {
  .sc-hero {
    padding-top: calc(var(--sc-nav-h) + 40px);
  }

  .sc-portales {
    padding: 60px 20px 80px;
  }

  .sc-service-section__btns {
    flex-direction: column;
    width: 100%;
  }
  
  .sc-service-section__btns .sc-btn {
    width: 100%;
    justify-content: center;
  }
}

/* Soporte para preferencias del sistema de reducción de movimiento */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}