/* ============================================================
   PHROnESIS IA SAS — Layout / Grid / Contenedores
   ============================================================ */

.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding-inline: var(--container-padding);
}

/* ============================================================
   Secciones
   ============================================================ */
.section {
  padding: var(--space-12) 0;
}

.section-dark {
  background-color: var(--color-navy-dark);
  color: var(--color-white);
}

.section-dark .section-title {
  color: var(--color-white);
}

.section-dark .section-subtitle {
  color: rgba(255, 255, 255, 0.8);
}

.section-light {
  background-color: var(--color-light);
}

.section-header {
  text-align: center;
  margin-bottom: var(--space-10);
}

/* ============================================================
   Grids genéricos
   ============================================================ */
.grid-3 {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
}

.grid-4 {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
}

.grid-center {
  justify-items: center;
}

@media (min-width: 640px) {
  .grid-3 {
    grid-template-columns: repeat(2, 1fr);
  }
  .grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .grid-3 {
    grid-template-columns: repeat(3, 1fr);
  }
  .grid-4 {
    grid-template-columns: repeat(4, 1fr);
  }
}

/* ============================================================
   Header / Nav
   ============================================================ */
.header {
  position: sticky;
  top: 0;
  z-index: var(--z-header);
  background-color: transparent;
  -webkit-backdrop-filter: none;
          backdrop-filter: none;
  border-bottom: 1px solid transparent;
  transition:
    background-color 0.4s ease,
    backdrop-filter 0.4s ease,
    -webkit-backdrop-filter 0.4s ease,
    border-color 0.4s ease,
    box-shadow 0.4s ease;
}

.header.is-scrolled {
  background-color: rgba(5, 11, 13, 0.85);
  -webkit-backdrop-filter: blur(14px);
          backdrop-filter: blur(14px);
  border-bottom-color: rgba(28, 180, 176, 0.18);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
}

/* Páginas sin hero de video: header siempre sólido */
.header--solid {
  background-color: rgba(5, 11, 13, 0.92);
  -webkit-backdrop-filter: blur(14px);
          backdrop-filter: blur(14px);
  border-bottom-color: rgba(28, 180, 176, 0.15);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 118px;
}

/* Logo */
.logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  flex-shrink: 0;
}

.logo__img-wrap {
  width: 110px;
  height: 110px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  overflow: hidden;
}

@media (max-width: 640px) {
  .nav {
    height: 96px;
  }
  .logo__img-wrap {
    width: 88px;
    height: 88px;
  }
}

.logo__img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  /* Chroma-key SVG: elimina el fondo blanco del PNG para camuflarlo sobre cualquier fondo */
  filter: url(#remove-white-bg);
  /* Recorta las líneas oscuras que trae el PNG en sus bordes superior/inferior */
  clip-path: inset(11% 0 11% 0);
}

.logo__fallback {
  font-weight: var(--font-weight-extrabold);
  color: var(--color-white);
  font-size: var(--font-size-lg);
}

/* Nav links */
.nav__links {
  display: none;
  align-items: center;
  gap: var(--space-6);
}

.nav__link {
  position: relative;
  color: rgba(255, 255, 255, 0.92);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  transition: color var(--transition-fast);
  text-shadow: 0 1px 3px rgba(0, 0, 0, 0.6);
}

.nav__link::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: -4px;
  width: 0;
  height: 2px;
  background-color: var(--silver);
  transition: width var(--transition-base);
}

.nav__link:hover,
.nav__link.is-active {
  color: var(--color-white);
}

.nav__link:hover::after,
.nav__link.is-active::after {
  width: 100%;
}

.nav__cta {
  display: none;
}

/* CTA "Hablemos" — teal Phronesis sobre header dark */
.nav__cta {
  background-color: var(--color-teal);
  color: var(--ink);
  box-shadow: none;
  border: 1px solid var(--color-teal);
}

.nav__cta:hover {
  background-color: var(--color-teal-hover);
  border-color: var(--color-teal-hover);
  color: var(--ink);
  box-shadow: 0 0 20px rgba(28, 180, 176, 0.4);
}

/* Toggle móvil */
.nav__toggle {
  display: flex;
  flex-direction: column;
  gap: 5px;
  padding: var(--space-2);
}

.nav__toggle span {
  width: 26px;
  height: 2px;
  background-color: var(--color-white);
  border-radius: var(--radius-full);
  transition: var(--transition-base);
}

.nav__toggle.is-open span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.nav__toggle.is-open span:nth-child(2) {
  opacity: 0;
}

.nav__toggle.is-open span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

@media (min-width: 1024px) {
  .nav__links,
  .nav__cta {
    display: flex;
  }
  .nav__toggle {
    display: none;
  }
}

/* Menú móvil desplegado */
.mobile-menu {
  position: fixed;
  inset: 118px 0 0 0;
  z-index: calc(var(--z-header) - 1);
  background-color: var(--ink);
  transform: translateX(100%);
  transition: transform var(--transition-base);
  overflow-y: auto;
}

.mobile-menu.is-open {
  transform: translateX(0);
}

@media (max-width: 640px) {
  .mobile-menu {
    inset: 96px 0 0 0;
  }
}

.mobile-menu__links {
  display: flex;
  flex-direction: column;
  padding: var(--space-6);
  gap: var(--space-2);
}

.mobile-menu__link {
  padding: var(--space-4);
  color: rgba(255, 255, 255, 0.85);
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-medium);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.mobile-menu__link:hover {
  color: var(--color-white);
}

.mobile-menu__cta {
  margin: var(--space-6);
  background-color: var(--color-teal);
  color: var(--ink);
}

.mobile-menu__cta:hover {
  background-color: var(--color-teal-hover);
  color: var(--ink);
}

@media (min-width: 1024px) {
  .mobile-menu {
    display: none;
  }
}

/* ============================================================
   Footer
   ============================================================ */
.footer {
  background-color: var(--ink);
  color: var(--color-gray-light);
  padding-top: var(--space-8);
  border-top: 1px solid rgba(28, 180, 176, 0.12);
}

/* Variante minimal: solo sub-footer legal, sin padding-top ni grid superior */
.footer--minimal {
  padding-top: 0;
}

.footer--minimal .footer__bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

/* Overrides del logo sobre fondo azul */
.footer .logo__fallback {
  color: var(--color-white);
}

.footer .logo__img-wrap {
  width: 96px;
  height: 96px;
}

.footer__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-7);
  padding-bottom: var(--space-8);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

@media (min-width: 768px) {
  .footer__grid {
    grid-template-columns: 1.6fr 1fr 1.4fr;
    align-items: start;
  }
}

.footer__contact-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  margin-bottom: var(--space-4);
}

.footer__contact-icon {
  flex: 0 0 auto;
  width: 38px;
  height: 38px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--color-white);
  background: rgba(255, 255, 255, 0.12);
  border-radius: 50%;
}

.footer__contact-icon svg {
  width: 18px;
  height: 18px;
}

.footer__contact-label {
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  color: rgba(255, 255, 255, 0.6);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 2px;
}

.footer__contact-value {
  font-size: var(--font-size-sm);
  line-height: 1.6;
  color: var(--color-gray-light);
}

.footer__contact-value a {
  color: var(--color-gray-light);
}

.footer__contact-value a:hover {
  color: var(--color-white);
}

.footer__heading {
  color: var(--color-white);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-semibold);
  margin-bottom: var(--space-4);
}

.footer__text {
  font-size: var(--font-size-sm);
  line-height: 1.7;
}

.footer__link {
  display: block;
  font-size: var(--font-size-sm);
  padding-bottom: var(--space-2);
  transition: color var(--transition-fast);
}

.footer__link:hover {
  color: var(--color-white);
}

.footer__bottom {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-3);
  text-align: center;
  padding-block: var(--space-5);
  font-size: var(--font-size-xs);
}

@media (min-width: 768px) {
  .footer__bottom {
    flex-direction: row;
    justify-content: space-between;
    text-align: left;
    flex-wrap: wrap;
    gap: var(--space-2) var(--space-5);
  }
}

.footer__legal {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-2) var(--space-3);
}

.footer__legal a {
  color: var(--color-silver);
  text-decoration: underline;
  text-underline-offset: 2px;
  transition: color var(--transition-fast);
}

.footer__legal a:hover {
  color: var(--color-white);
}

.footer__legal-sep {
  color: var(--color-silver-2);
}

/* ============================================================
   Sección Contacto — grid 2 columnas (form + info) con más aire
   ============================================================ */

/* Fondo ink para matching con el resto */
#contacto {
  background-color: var(--ink);
}

/* Container extendido solo para la sección contacto */
#contacto > .container {
  max-width: 1440px;
}

.contacto-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-8);
  align-items: stretch;
}

@media (min-width: 1024px) {
  .contacto-grid {
    grid-template-columns: minmax(420px, 0.9fr) minmax(0, 1.1fr);
    gap: var(--space-10);
  }
}

.contacto-card {
  background: var(--contact-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
  box-shadow: var(--shadow-xl);
}

/* Panel derecho: descripción arriba + secciones + logo grande al final */
.contacto-info {
  display: flex;
  flex-direction: column;
  gap: var(--space-8);
  padding: var(--space-4) 0;
  height: 100%;
}

.contacto-info__desc {
  font-size: var(--font-size-base);
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.82);
  margin: 0;
  max-width: none;
}

/* Logo grande al final, empujado hacia abajo con margin-top:auto */
.contacto-info__logo {
  margin-top: auto;
  align-self: center;
  padding-top: var(--space-6);
}

.contacto-info__logo .logo__img-wrap {
  width: 240px;
  height: 240px;
}

@media (max-width: 640px) {
  .contacto-info__logo .logo__img-wrap {
    width: 180px;
    height: 180px;
  }
}

/* Títulos con más aire respirable antes del contenido */
.contacto-info__heading {
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  color: rgba(255, 255, 255, 0.55);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  margin: 0 0 var(--space-5);
  padding-bottom: var(--space-3);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

/* Navegación horizontal */
.contacto-info__nav {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3) var(--space-6);
}

.contacto-info__link {
  display: inline-block;
  font-size: var(--font-size-sm);
  color: rgba(255, 255, 255, 0.78);
  padding: 0;
  transition: color var(--transition-fast);
  position: relative;
}

.contacto-info__link:hover {
  color: var(--color-white);
}

/* Contactos en grid horizontal — 2 columnas en tablet+, 3 en desktop wide */
.contacto-info__contact-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-5);
}

@media (min-width: 640px) {
  .contacto-info__contact-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (min-width: 1280px) {
  .contacto-info__contact-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* Reset del margin-bottom original del footer__contact-item cuando vive en el grid */
.contacto-info__contact-grid .footer__contact-item {
  margin-bottom: 0;
}

.contacto-card .form {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.contacto-card .form-label {
  color: #E2E8F0;
}

.contacto-card .form-input {
  background-color: rgba(255, 255, 255, 0.06);
  border-color: var(--color-border);
  color: var(--color-white);
}

.contacto-card .form-input::placeholder {
  color: #94A3B8;
}

.contacto-card .form-input:focus {
  border-color: var(--color-teal);
  box-shadow: 0 0 0 3px rgba(28, 180, 176, 0.22);
}

.contacto-card .form-success {
  background-color: rgba(28, 180, 176, 0.08);
  border: 1px solid rgba(28, 180, 176, 0.25);
  color: var(--color-white);
}

.contacto-card .form-success > a {
  color: #2FD9D4;
  text-decoration: underline;
  font-weight: var(--font-weight-semibold);
}

.contacto-card .btn-footer {
  background-color: var(--color-teal);
  color: var(--ink);
  box-shadow: 0 8px 24px -8px rgba(28, 180, 176, 0.5);
}

.contacto-card .btn-footer:hover {
  background-color: var(--color-teal-hover);
  color: var(--ink);
  transform: translateY(-2px);
  box-shadow: 0 0 28px rgba(28, 180, 176, 0.5);
}

/* ============================================================
   Floating WhatsApp button
   ============================================================ */
.fab {
  position: fixed;
  bottom: var(--space-5);
  right: var(--space-5);
  z-index: var(--z-fab);
  width: 60px;
  height: 60px;
  border-radius: var(--radius-full);
  background: #25D366;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 6px 20px rgba(37, 211, 102, 0.35);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast), background-color var(--transition-fast);
}

.fab:hover {
  transform: scale(1.08);
  background: #20BA5A;
  box-shadow: 0 8px 25px rgba(32, 186, 90, 0.5);
}

.fab svg {
  width: 30px;
  height: 30px;
  fill: var(--color-white);
}