/* ============================================================
   BUTTONS
   ============================================================ */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: var(--s2);
  padding: 12px 26px; border-radius: var(--radius);
  font-size: var(--sz-sm); font-weight: 700; letter-spacing: 0.3px;
  cursor: pointer; white-space: nowrap; border: 2px solid transparent;
  transition: background var(--transition), color var(--transition), box-shadow var(--transition), transform var(--transition), border-color var(--transition);
  position: relative; overflow: hidden;
  -webkit-tap-highlight-color: transparent; /* Quita el cuadro azul feo en móviles */
  touch-action: manipulation; /* Mejora la respuesta táctil */
}
.intro-statement {
  background-color: var(--clr-off); /* Un fondo gris súper claro para separarlo sutilmente del menú */
  padding: 30px 0; /* Mucho menos alto para que sea solo una franja elegante */
  border-bottom: 1px solid var(--clr-border);
}

.intro-text {
  text-align: center;
  max-width: 800px;
  margin: 0 auto;
  font-size: 0.95rem; /* Tamaño mucho más pequeño y refinado */
  color: var(--clr-text-mid); /* Un gris azulado más suave, menos pesado que el oscuro */
  font-weight: 600;
  text-transform: uppercase; /* Convertimos todo a mayúsculas para un look corporativo */
  letter-spacing: 2.5px; /* El truco de diseño: letras más separadas */
  font-family: 'Inter', sans-serif;
}

/* Le damos el color de tu marca a la frase final para que resalte */
.intro-text span {
  color: var(--clr-accent-dark); 
  font-weight: 800;
}
.btn:active { 
  /* Un hundimiento ligeramente mayor (0.96) se siente mejor en el dedo que (0.99) */
  transform: scale(0.96); 
  /* Eliminamos el desplazamiento en Y para que el botón no parezca que "baila" si el usuario tiene el dedo un poco de lado */
  transition: transform 0.1s ease; 
}
.btn:focus-visible { outline: 3px solid var(--clr-accent); outline-offset: 2px; }
.btn--solid { background: var(--clr-accent); color: var(--clr-primary); border-color: var(--clr-accent); }
.btn--solid:hover { 
    background: var(--clr-accent-dark); 
    border-color: var(--clr-accent-dark); 
    box-shadow: 0 6px 20px rgba(240,165,0,0.38); 
    transform: translateY(-2px); 
  }
.btn--outline { background: transparent; color: var(--clr-white); border-color: rgba(255,255,255,0.7); }
.btn--outline:hover { 
    background: var(--clr-white); 
    color: var(--clr-primary); 
    border-color: var(--clr-white); 
  }
.btn--outline-dark { background: transparent; color: var(--clr-primary); border-color: var(--clr-primary); }
.btn--outline-dark:hover { background: var(--clr-primary); color: var(--clr-white); transform: translateY(-2px); }
.btn--lg  { padding: 15px 34px; font-size: var(--sz-base); }
.btn--full { width: 100%; justify-content: center; }

/* ============================================================
   LABELS & TITLES
   ============================================================ */
.label { display: inline-block; font-size: var(--sz-xs); font-weight: 700; letter-spacing: 1.5px; text-transform: uppercase; color: var(--clr-accent); margin-bottom: var(--s3); }
.section-title { font-size: var(--sz-xl); font-weight: 800; color: var(--clr-primary); line-height: var(--lh-tight); margin-bottom: var(--s4); }
.section-title--lg { font-size: var(--sz-2xl); }

/* ============================================================
   CHECKLIST
   ============================================================ */
.checklist { display: flex; flex-direction: column; gap: var(--s4); }
.checklist__item { display: flex; align-items: flex-start; gap: var(--s3); font-size: var(--sz-base); color: var(--clr-text-mid); line-height: var(--lh-relaxed); }
.checklist__bullet { flex-shrink:0; width:22px; height:22px; border-radius:50%; background:var(--clr-primary); display:flex; align-items:center; justify-content:center; margin-top:2px; transition: background var(--transition), transform var(--transition); }
.checklist__item:hover .checklist__bullet { background: var(--clr-accent); transform: scale(1.1); }
.checklist__bullet svg { width:12px; height:12px; stroke:#fff; stroke-width:2.5; fill:none; }

/* ============================================================
   STEP CARD
   ============================================================ */
.step-card { display:grid; grid-template-columns:60px 1fr; gap:var(--s5); align-items:start; padding:var(--s6); background:var(--clr-white); border:1px solid var(--clr-border); border-radius:var(--radius-lg); box-shadow:var(--shadow-sm); transition: box-shadow var(--transition), transform var(--transition), border-color var(--transition); }
.step-card:hover { box-shadow:var(--shadow-md); transform:translateY(-4px); border-color:var(--clr-primary-light); }
.step-card__number { width:52px; height:52px; border-radius:50%; background:var(--clr-primary); color:var(--clr-white); font-size:var(--sz-lg); font-weight:800; display:flex; align-items:center; justify-content:center; flex-shrink:0; transition: background var(--transition), transform var(--transition); }
.step-card:hover .step-card__number { background:var(--clr-accent); color:var(--clr-primary); transform:rotate(5deg) scale(1.05); }
.step-card__title { font-size:var(--sz-md); font-weight:700; color:var(--clr-primary); margin-bottom:var(--s2); }
.step-card__body  { font-size:var(--sz-sm); color:var(--clr-text-mid); line-height:var(--lh-relaxed); }

/* ============================================================
   SOLUTION CARD
   ============================================================ */
.sol-card { border-radius:var(--radius-lg); overflow:hidden; background:var(--clr-white); border:1px solid var(--clr-border); box-shadow:var(--shadow-sm); transition: box-shadow var(--transition), transform var(--transition), border-color var(--transition); cursor:pointer; }
.sol-card:hover { box-shadow:0 12px 32px rgba(15,45,74,0.16); transform:translateY(-6px); border-color:var(--clr-primary-light); }
.sol-card__thumb { height:160px; background:linear-gradient(135deg,#1a4a6e,#0f2d4a); display:flex; align-items:center; justify-content:center; overflow:hidden; position:relative; }
.sol-card__thumb img { position:absolute; inset:0; width:100%; height:100%; object-fit:cover; opacity:0.7; transition: transform var(--transition-slow), opacity var(--transition); }
.sol-card:hover .sol-card__thumb img { transform:scale(1.07); opacity:0.85; }
.sol-card__thumb svg { position:relative; z-index:1; width:40px; height:40px; stroke:rgba(255,255,255,0.9); fill:none; stroke-width:1.5; transition: transform var(--transition); }
.sol-card:hover .sol-card__thumb svg { transform:scale(1.15); }
.sol-card__name { padding:var(--s4); font-size:var(--sz-sm); font-weight:700; color:var(--clr-primary); }

/* ============================================================
   MODAL
   ============================================================ */
.modal-overlay { position:fixed; inset:0; background:rgba(10,30,48,0.6); backdrop-filter:blur(4px); z-index:var(--z-modal); display:flex; align-items:center; justify-content:center; padding:var(--s5); opacity:0; pointer-events:none; transition: opacity var(--transition); }
.modal-overlay.is-open { opacity:1; pointer-events:all; }
.modal { background:var(--clr-white); border-radius:var(--radius-lg); width:100%; max-width:500px; padding:var(--s7); box-shadow:var(--shadow-lg); transform:translateY(20px) scale(0.98); transition: transform var(--transition); position:relative; max-height:90vh; overflow-y:auto; }
.modal-overlay.is-open .modal { transform:translateY(0) scale(1); }
.modal__close { position:absolute; top:var(--s4); right:var(--s4); width:32px; height:32px; border-radius:50%; display:flex; align-items:center; justify-content:center; color:var(--clr-text-light); font-size:20px; transition: background var(--transition), color var(--transition), transform var(--transition); }
.modal__close:hover { background:var(--clr-subtle); color:var(--clr-primary); transform:rotate(90deg); }
.modal__title { font-size:var(--sz-xl); font-weight:800; color:var(--clr-primary); margin-bottom:var(--s2); }
.modal__sub   { font-size:var(--sz-sm); color:var(--clr-text-light); margin-bottom:var(--s6); }
.form { display:flex; flex-direction:column; gap:var(--s4); }
.form__row { display:grid; grid-template-columns:1fr 1fr; gap:var(--s4); }
@media (max-width: 600px) { .form__row { grid-template-columns: 1fr; } }

.form__group { display:flex; flex-direction:column; gap:var(--s2); }
.form__label { font-size:var(--sz-xs); font-weight:700; text-transform:uppercase; letter-spacing:0.8px; color:var(--clr-text-mid); }
.form__input, .form__select, .form__textarea { width:100%; padding:10px 14px; border:1.5px solid var(--clr-border); border-radius:var(--radius); font-family:var(--font); font-size:var(--sz-sm); color:var(--clr-text); background:var(--clr-white); transition: border-color var(--transition), box-shadow var(--transition); outline:none; }
.form__input:focus, .form__select:focus, .form__textarea:focus { border-color:var(--clr-primary-light); box-shadow:0 0 0 3px rgba(42,100,150,0.12); }
.form__input.is-error { border-color:#e53e3e; }
.form__textarea { resize:vertical; min-height:90px; }
.form__success { display:none; text-align:center; padding:var(--s7) 0; }
.form__success-icon { width:56px; height:56px; border-radius:50%; background:#e8f5e9; display:flex; align-items:center; justify-content:center; margin:0 auto var(--s4); font-size:26px; }
.form__success-title { font-size:var(--sz-lg); font-weight:800; color:var(--clr-primary); margin-bottom:var(--s2); }
.form__success-text  { font-size:var(--sz-sm); color:var(--clr-text-light); }

/* ============================================================
   PAGE HERO (Para páginas internas)
   ============================================================ */
.page-hero {
  background-color: var(--clr-primary);
  color: var(--clr-white);
  padding: 100px 0 80px;
  text-align: center;
}
.page-hero__title {
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 900;
  letter-spacing: -1px;
  margin: 15px 0 20px;
  line-height: 1.1;
}
.page-hero__sub {
  font-size: var(--sz-md);
  color: rgba(255, 255, 255, 0.8);
  max-width: 700px;
  margin: 0 auto;
  line-height: 1.6;
}

/* ============================================================
   SERVICES GRID (Página de servicios)
   ============================================================ */
/* ============================================================
   SERVICES ZIG-ZAG LAYOUT (Estilo Editorial)
   ============================================================ */
.service-zigzag {
  display: flex;
  flex-direction: column;
  gap: 80px; /* Mucho aire entre cada servicio para que respiren */
  padding: 40px 0;
}

.zigzag-item {
  display: grid;
  grid-template-columns: 1fr; /* En celular es una sola columna */
  gap: 40px;
  align-items: center;
}

/* En computadoras y tablets grandes, partimos la pantalla 50/50 */
@media (min-width: 992px) {
  .zigzag-item {
    grid-template-columns: 1fr 1fr;
    gap: 80px;
  }
  /* Magia de CSS: Invierte el orden visual para la foto derecha */
  .zigzag-item--reverse .zigzag-item__visual {
    order: 2;
  }
  .zigzag-item--reverse .zigzag-item__content {
    order: 1;
  }
}

.zigzag-item__visual {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.zigzag-item__visual img {
  width: 100%;
  height: 450px; /* Altura controlada, nunca se verá aplastada */
  object-fit: cover;
  display: block;
}

/* El número gigante transparente detrás del título */
.zigzag-item__number {
  display: block;
  font-size: 5rem;
  font-weight: 900;
  color: rgba(15, 45, 74, 0.12); /* Un gris azulado casi invisible */
  line-height: 1;
  margin-bottom: -35px; /* Sube el título para que pise el número */
  pointer-events: none;
}

.zigzag-item__title {
  font-size: clamp(2rem, 3vw, 2.5rem);
  color: var(--clr-primary);
  margin-bottom: 20px;
  letter-spacing: -1px;
}

.zigzag-item__content p {
  font-size: 1.1rem;
  color: var(--clr-text-mid);
  line-height: 1.7;
}

/* ============================================================
   SERVICE CATEGORIES
   ============================================================ */
.service-categories {
  background: var(--clr-off);
}

.category-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--s6);
  margin-top: var(--s6);
}

@media (min-width: 768px) {
  .category-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1200px) {
  .category-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

.category-card {
  background: var(--clr-white);
  border-radius: var(--radius-lg);
  border: 1px solid var(--clr-border);
  padding: var(--s6);
  box-shadow: var(--shadow-sm);
  height: 100%;
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}

.category-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-md);
  border-color: var(--clr-accent);
}


.category-card h3 {
  font-size: var(--sz-md);
  color: var(--clr-primary);
  margin-bottom: var(--s4);
}

.category-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: var(--s3);
  font-size: var(--sz-sm);
  color: var(--clr-text-mid);
  line-height: var(--lh-relaxed);
}

.category-list li {
  display: flex;
  align-items: flex-start;
  gap: var(--s3);
}

.category-list li::before {
  content: '•';
  color: var(--clr-accent);
  font-weight: 700;
}

/* Tablet: 2 columnas */
@media (min-width: 768px) {
  .service-grid { grid-template-columns: repeat(2, 1fr); }
}

/* Escritorio: 3 columnas o más (así las fotos nunca se expanden a lo loco) */
@media (min-width: 1024px) {
  .service-grid { grid-template-columns: repeat(3, 1fr); }
}

.service-card {
  background: var(--clr-white);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition), box-shadow var(--transition);
  border: 1px solid var(--clr-border);
  display: flex;
  flex-direction: column; /* Para que el contenido fluya bien */
}

.service-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-md);
}

.service-card__img {
  width: 100%;
  height: 260px; /* ALTURA ESTRICTA: Todas las fotos se verán idénticas */
  object-fit: cover; /* Recorta la foto sin deformarla */
  border-bottom: 4px solid var(--clr-accent);
}

.service-card__content {
  padding: 30px;
  flex-grow: 1; /* Empuja el contenido para llenar la tarjeta */
}
.service-card {
  background: var(--clr-white);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition), box-shadow var(--transition);
  border: 1px solid var(--clr-border);
}
.service-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-md);
}
.service-card__img {
  width: 100%;
  height: 240px;
  object-fit: cover;
  border-bottom: 4px solid var(--clr-accent);
}
.service-card__content {
  padding: 30px;
}
.service-card__title {
  font-size: var(--sz-lg);
  color: var(--clr-primary);
  margin-bottom: 15px;
  font-weight: 800;
}

/* Indicador de menú activo */
.nav__link--active {
  color: var(--clr-accent) !important;
  font-weight: 800;
}

/* ============================================================
   PAGE HERO INMERSIVO (Con Imagen de Fondo)
   ============================================================ */
.page-hero-img {
  background: linear-gradient(rgba(15, 45, 74, 0.85), rgba(15, 45, 74, 0.95)), 
              url('https://images.unsplash.com/photo-1541888946425-d81bb19240f5?w=1600&q=80&auto=format&fit=crop') center/cover no-repeat;
  color: var(--clr-white);
  padding: 120px 0 100px;
  text-align: center;
}

.page-hero-img__title {
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  font-weight: 900;
  letter-spacing: -1.5px;
  margin: 20px 0;
  line-height: 1.05;
}

.page-hero-img__sub {
  font-size: clamp(1.1rem, 2vw, 1.25rem);
  color: rgba(255, 255, 255, 0.85);
  max-width: 750px;
  margin: 0 auto;
  line-height: 1.6;
}

.label--light {
  background: rgba(255, 255, 255, 0.1);
  color: var(--clr-accent);
  border: 1px solid rgba(240, 165, 0, 0.3);
}

/* ============================================================
   SERVICE CARDS BADGES
   ============================================================ */
.service-card__thumb {
  position: relative; /* Necesario para que la etiqueta flote adentro */
}

.service-badge {
  position: absolute;
  top: 15px;
  left: 15px;
  background-color: var(--clr-accent);
  color: var(--clr-primary);
  font-size: 0.75rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 1px;
  padding: 6px 12px;
  border-radius: 4px;
  box-shadow: 0 4px 10px rgba(0,0,0,0.25);
  z-index: 2;
}

/* ============================================================
   ENGINEERING STANDARDS (Franja Oscura)
   ============================================================ */
.standards-sec {
  background-color: var(--clr-primary-mid); /* Un azul ligeramente distinto al footer */
  color: var(--clr-white);
  padding: 80px 0;
  border-top: 4px solid var(--clr-accent);
}

.standards-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
  text-align: center;
}

@media (min-width: 768px) {
  .standards-grid { grid-template-columns: repeat(3, 1fr); }
}

.standard-icon {
  font-size: 2.8rem;
  margin-bottom: 20px;
  filter: drop-shadow(0 4px 6px rgba(0,0,0,0.3));
}

.standard-item h3 {
  font-size: 1.25rem;
  margin-bottom: 12px;
  color: var(--clr-accent);
}

.standard-item p {
  opacity: 0.85;
  font-size: 0.95rem;
  line-height: 1.5;
  max-width: 280px;
  margin: 0 auto;
}

/* ============================================================
   PROJECTS GRID
   ============================================================ */
.projects-grid {
  display: grid;
  /* En lugar de forzar 3, dejamos que el navegador decida según el ancho */
  grid-template-columns: repeat(auto-fill, minmax(100%, 1fr)); 
  gap: 20px;
  padding: 20px 0;
}

/* Tablet: 2 columnas */
@media (min-width: 640px) {
  .projects-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* Desktop: 3 columnas */
@media (min-width: 1024px) {
  .projects-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
  }
}

.project-card {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  height: 390px; /* Altura estándar */
  width: 100%;
  cursor: pointer;
  background: var(--clr-primary); /* Fondo de seguridad */
}

@media (max-width: 480px) {
  .project-card {
    height: 320px; /* Un poco más bajitos en celulares pequeños para que no ocupen toda la pantalla */
  }
}

.project-card__image {
  width: 100%;
  height: 100%;
}

.project-card__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.project-card__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(15, 45, 74, 0.95) 10%, transparent 100%);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 30px;
  color: var(--clr-white);
  transform: translateY(20px);
  opacity: 0;
  transition: all 0.4s ease;
}

.project-card:hover .project-card__overlay {
  transform: translateY(0);
  opacity: 1;
}

.project-card:hover img {
  transform: scale(1.1);
}

.project-card__tag {
  color: var(--clr-accent);
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  margin-bottom: 10px;
}

.project-card__title {
  font-size: 1.5rem;
  margin-bottom: 8px;
}

.project-card__desc {
  font-size: 0.9rem;
  opacity: 0.8;
  line-height: 1.4;
}

/* Responsivo para móviles: mostramos el contenido por defecto */
@media (max-width: 768px) {
  .project-card__overlay {
    opacity: 1;
    transform: translateY(0);
    background: linear-gradient(to top, rgba(15, 45, 74, 0.8) 40%, transparent 100%);
  }
}
/* ============================================================
   PROJECTS FINAL CTA
   ============================================================ */
.projects-cta {
  background-color: var(--clr-primary);
  padding: 80px 0;
  color: var(--clr-white);
  border-top: 4px solid var(--clr-accent);
}

.projects-cta__inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 30px;
}

/* En tablets y PC, ponemos el texto a la izquierda y el botón a la derecha */
@media (min-width: 768px) {
  .projects-cta__inner {
    flex-direction: row;
    justify-content: space-between;
    text-align: left;
    gap: 50px;
  }
  .projects-cta__text {
    flex: 1;
  }
}

.projects-cta__title {
  font-size: clamp(2rem, 4vw, 2.8rem);
  font-weight: 800;
  margin-bottom: 15px;
  line-height: 1.1;
}

.projects-cta__sub {
  font-size: 1.1rem;
  opacity: 0.8;
  max-width: 550px;
}

.btn--lg {
  padding: 12px 22px;
  font-size: 1.1rem;
  white-space: nowrap;
}

/* ============================================================
   TESTIMONIALS (Premium Glassmorphism)
   ============================================================ */
.testimonial-card {
  background: rgba(255, 255, 255, 0.03);
  backdrop-filter: blur(10px);
  padding: var(--s7);
  border-radius: var(--radius-lg);
  border: 1px solid rgba(255, 255, 255, 0.1);
  display: flex;
  flex-direction: column;
  height: 100%;
  transition: transform var(--transition), border-color var(--transition), background var(--transition);
}

.testimonial-card:hover {
  transform: translateY(-5px);
  border-color: rgba(240, 165, 0, 0.4);
  background: rgba(255, 255, 255, 0.05);
}

.testimonial-card__stars {
  color: var(--clr-accent);
  font-size: 1.25rem;
  margin-bottom: var(--s4);
}

.testimonial-card__text {
  font-style: italic;
  font-size: 1.05rem;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: var(--s6);
  flex-grow: 1;
}

.testimonial-card__author {
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--clr-white);
  display: block;
}

.testimonial-card__meta {
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.5);
  margin-top: 4px;
}


/* ============================================================
   PROJECT FILTERS
   ============================================================ */
.filter-tabs {
  margin-top: 40px;
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
}

.filter-btn {
  padding: 10px 24px;
  border-radius: 30px;
  border: 1.5px solid rgba(255, 255, 255, 0.2);
  background: rgba(255, 255, 255, 0.05);
  color: var(--clr-white);
  font-size: 0.9rem;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.3s ease;
  backdrop-filter: blur(5px);
}

.filter-btn:hover {
  background: rgba(255, 255, 255, 0.15);
  border-color: rgba(255, 255, 255, 0.5);
  transform: translateY(-2px);
}

.filter-btn.active {
  background: var(--clr-accent);
  color: var(--clr-primary);
  border-color: var(--clr-accent);
  box-shadow: 0 4px 15px rgba(240, 165, 0, 0.3);
}

/* Footer Areas List */
.footer__areas-grid {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px 15px;
}

.footer__areas-grid li {
  font-size: 0.85rem;
  color: var(--clr-footer-text);
  display: flex;
  align-items: center;
  gap: 8px;
}

.footer__area-dot {
  width: 5px;
  height: 5px;
  background-color: var(--clr-accent);
  border-radius: 50%;
  flex-shrink: 0;
}

/* Premium Accordion (FAQ) */
details.fade-in-up {
  transition: all 0.3s ease;
}

details.fade-in-up[open] {
  border-color: var(--clr-accent) !important;
  box-shadow: 0 10px 25px rgba(0,0,0,0.05);
}

details.fade-in-up summary {
  padding: 5px 0;
  transition: color 0.3s ease;
}

details.fade-in-up[open] summary {
  color: var(--clr-accent) !important;
  border-bottom: 1px solid rgba(0,0,0,0.05);
  padding-bottom: 15px;
  margin-bottom: 15px;
}

details.fade-in-up summary span {
  transition: transform 0.3s ease;
  font-size: 1.5rem;
  font-weight: 400;
}

details.fade-in-up[open] summary span {
  transform: rotate(45deg);
}