/* Landing "Dona tu cómputo" — usa los tokens de styles.css */

.dc-hero {
  background: #0f1a2e;
  color: #fff;
  padding: 7rem 0 5rem;
  position: relative;
  overflow: hidden;
}
.dc-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 85% 20%, rgba(37, 99, 235, 0.35), transparent 45%),
    radial-gradient(circle at 10% 90%, rgba(13, 148, 136, 0.25), transparent 40%);
  pointer-events: none;
}
.dc-hero .container { position: relative; display: grid; grid-template-columns: 1.3fr 1fr; gap: 3rem; align-items: center; }
.dc-hero h1 { color: #fff; font-size: 3.4rem; font-weight: 800; letter-spacing: -0.03em; line-height: 1.1; margin-bottom: 1.25rem; }
.dc-hero h1 span { color: var(--accent-gold); }
.dc-hero p.dc-lead { color: #CBD5E1; font-size: 1.2rem; max-width: 560px; margin-bottom: 2rem; }
.dc-hero-buttons { display: flex; gap: 1rem; flex-wrap: wrap; }
.dc-hero-card {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-xl);
  padding: 2rem;
  backdrop-filter: blur(8px);
}
.dc-hero-card h3 { color: #fff; font-size: 1.1rem; margin-bottom: 1rem; }
.dc-hero-card ul { list-style: none; display: grid; gap: 0.75rem; }
.dc-hero-card li { display: flex; gap: 10px; align-items: flex-start; color: #E2E8F0; font-size: 1rem; }
.dc-hero-card li i { color: var(--accent-gold); font-size: 1.4rem; flex-shrink: 0; margin-top: 2px; }
.dc-hero-card li span { font-size: 0.92rem; color: #CBD5E1; line-height: 1.45; }
.dc-hero-card li strong { display: block; color: #fff; font-size: 1rem; margin-bottom: 2px; }
.dc-hero-aliados { margin-top: 1.25rem; font-size: 0.85rem; color: #94A3B8; }
.dc-hero-counter {
  margin-top: 1.5rem; padding-top: 1.25rem; border-top: 1px solid rgba(255, 255, 255, 0.12);
  display: none;
}
.dc-hero-counter.visible { display: block; }
.dc-hero-counter strong { display: block; font-family: var(--font-heading); font-size: 2.6rem; color: var(--accent-gold); line-height: 1; }
.dc-hero-counter span { color: #CBD5E1; font-size: 0.95rem; }

.dc-section { padding: 5.5rem 0; }
.dc-section--alt { background: var(--bg-soft); }
.dc-section--dark { background: #0f1a2e; color: #fff; }
.dc-section--dark h2, .dc-section--dark h3 { color: #fff; }
.dc-section--dark .section-title p { color: #CBD5E1; }
.dc-section h2 { font-size: 2.4rem; }

.dc-grid { display: grid; gap: 1.25rem; }
.dc-grid-3 { grid-template-columns: repeat(3, 1fr); }
.dc-grid-4 { grid-template-columns: repeat(4, 1fr); }
.dc-card {
  background: var(--bg-color);
  border: 1px solid var(--border-light);
  border-radius: 18px;
  padding: 1.6rem;
  box-shadow: var(--shadow-sm);
}
.dc-card i.bx { font-size: 2rem; color: var(--primary-blue); margin-bottom: 0.75rem; display: block; }
.dc-card h3 { font-size: 1.15rem; margin-bottom: 0.5rem; }
.dc-card p { font-size: 0.98rem; color: var(--text-muted); }
.dc-note {
  margin-top: 1.75rem; text-align: center; font-weight: 600; color: var(--navy-dark);
  background: rgba(245, 158, 11, 0.12); border-radius: var(--radius-pill); padding: 0.75rem 1.25rem;
  max-width: 640px; margin-left: auto; margin-right: auto; font-size: 1rem;
}

/* Destinos */
.dc-destinos { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.25rem; counter-reset: destino; }
.dc-destino {
  position: relative; background: var(--bg-color); border-radius: 18px; padding: 1.5rem 1.5rem 1.5rem 4.25rem;
  border: 1px solid var(--border-light);
}
.dc-destino::before {
  counter-increment: destino; content: counter(destino);
  position: absolute; left: 1.25rem; top: 1.4rem; width: 2.2rem; height: 2.2rem; border-radius: 50%;
  background: var(--accent-gold); color: var(--navy-dark); font-weight: 800; display: grid; place-items: center;
  font-family: var(--font-heading);
}
.dc-destino h3 { font-size: 1.05rem; margin-bottom: 0.35rem; }
.dc-destino p { font-size: 0.95rem; color: var(--text-muted); }

/* Pasos */
.dc-pasos { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.25rem; }
.dc-paso { text-align: center; padding: 1rem; }
.dc-paso-num {
  width: 3.2rem; height: 3.2rem; border-radius: 50%; margin: 0 auto 1rem;
  background: var(--primary-blue); color: #fff; display: grid; place-items: center;
  font-family: var(--font-heading); font-weight: 800; font-size: 1.3rem; box-shadow: var(--shadow-glow);
}
.dc-paso h3 { font-size: 1.1rem; margin-bottom: 0.4rem; }
.dc-paso p { font-size: 0.95rem; color: var(--text-muted); }

/* Avance */
.dc-stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.25rem; }
.dc-stat {
  background: rgba(255, 255, 255, 0.06); border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 18px; padding: 1.5rem; text-align: center;
}
.dc-stat strong { display: block; font-family: var(--font-heading); font-size: 2.6rem; color: var(--accent-gold); line-height: 1.1; }
.dc-stat span { color: #CBD5E1; font-size: 0.95rem; }
.dc-stats-inicial {
  text-align: center; max-width: 680px; margin: 0 auto; color: #CBD5E1; font-size: 1.05rem;
}
.dc-stats-inicial i { font-size: 2.4rem; color: var(--accent-gold); display: block; margin-bottom: 0.75rem; }
.dc-donantes { margin-top: 3rem; text-align: center; }
.dc-donantes h3 { font-size: 1.3rem; margin-bottom: 1.25rem; }
.dc-donantes-lista { display: flex; flex-wrap: wrap; gap: 0.75rem; justify-content: center; }
.dc-donantes-lista span {
  background: rgba(255, 255, 255, 0.1); border-radius: var(--radius-pill); padding: 0.5rem 1.1rem; font-weight: 600;
}
.dc-donantes-vacio { color: #CBD5E1; }
.dc-donantes-vacio a { color: var(--accent-gold); font-weight: 700; }

/* Formulario */
.dc-form-wrap { max-width: 860px; margin: 0 auto; }
.dc-form {
  background: var(--bg-color); border: 1px solid var(--border-light); border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg); padding: 2.25rem;
}
.dc-modo { display: grid; grid-template-columns: 1fr 1fr; gap: 0.75rem; margin-bottom: 2rem; }
.dc-modo button {
  border: 2px solid var(--border-light); background: var(--bg-soft); border-radius: 16px; padding: 1rem;
  font-family: var(--font-body); font-size: 1rem; font-weight: 700; color: var(--text-main); cursor: pointer;
  display: flex; align-items: center; justify-content: center; gap: 10px; transition: var(--trans);
}
.dc-modo button i { font-size: 1.5rem; }
.dc-modo button[aria-pressed="true"] { border-color: var(--primary-blue); background: rgba(37, 99, 235, 0.08); color: var(--primary-blue); }
.dc-form h3 { font-size: 1.2rem; margin: 0 0 0.35rem; }
.dc-form .dc-help { font-size: 0.92rem; color: var(--text-muted); margin-bottom: 1rem; }
.dc-bloque { margin-bottom: 2rem; }

.dc-ia {
  background: linear-gradient(135deg, rgba(37, 99, 235, 0.08), rgba(13, 148, 136, 0.08));
  border: 1px solid rgba(37, 99, 235, 0.2); border-radius: 18px; padding: 1.25rem; margin-bottom: 1.25rem;
}
.dc-ia label { display: flex; align-items: center; gap: 8px; font-weight: 700; color: var(--navy-dark); margin-bottom: 0.5rem; }
.dc-ia label i { color: var(--primary-blue); font-size: 1.3rem; }
.dc-ia textarea { min-height: 90px; }
.dc-ia-acciones { display: flex; align-items: center; gap: 1rem; margin-top: 0.75rem; flex-wrap: wrap; }
.dc-ia-msg { font-size: 0.92rem; color: var(--text-muted); }
.dc-ia-msg.error { color: #dc2626; }

.dc-items { display: grid; gap: 0.75rem; }
.dc-item {
  display: grid; grid-template-columns: 2fr 0.8fr 1.3fr 2fr auto; gap: 0.5rem; align-items: end;
  background: var(--bg-soft); border-radius: 14px; padding: 0.75rem;
}
.dc-item label { font-size: 0.75rem; font-weight: 600; color: var(--text-muted); display: block; margin-bottom: 0.2rem; }
.dc-item-quitar {
  border: none; background: transparent; color: var(--text-muted); font-size: 1.4rem; cursor: pointer;
  padding: 0.5rem; border-radius: 10px; line-height: 1;
}
.dc-item-quitar:hover { color: #dc2626; background: #fee2e2; }
.dc-agregar {
  margin-top: 0.75rem; border: 2px dashed var(--border-light); background: transparent; border-radius: 14px;
  width: 100%; padding: 0.8rem; font-family: var(--font-body); font-weight: 600; color: var(--primary-blue); cursor: pointer;
}
.dc-agregar:hover { border-color: var(--primary-blue); }
.dc-total { margin-top: 0.75rem; font-size: 0.95rem; color: var(--text-muted); text-align: right; }

.dc-campos { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.dc-campo { display: flex; flex-direction: column; }
.dc-campo--full { grid-column: 1 / -1; }
.dc-campo > label, .dc-campo > span.dc-label { font-size: 0.88rem; font-weight: 600; color: var(--text-main); margin-bottom: 0.35rem; }
.dc-form input[type="text"], .dc-form input[type="email"], .dc-form input[type="tel"], .dc-form input[type="number"],
.dc-form select, .dc-form textarea {
  width: 100%; padding: 0.75rem 0.9rem; border-radius: var(--radius-md); border: 1.5px solid var(--border-light);
  font-family: var(--font-body); font-size: 1rem; background: #fff; color: var(--text-dark);
}
.dc-form textarea { resize: vertical; }
.dc-form input:focus, .dc-form select:focus, .dc-form textarea:focus {
  outline: none; border-color: var(--primary-blue); box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.12);
}
.dc-radios { display: flex; flex-wrap: wrap; gap: 0.5rem; }
.dc-radios label {
  display: inline-flex; align-items: center; gap: 6px; border: 1.5px solid var(--border-light); border-radius: var(--radius-pill);
  padding: 0.45rem 0.9rem; font-size: 0.92rem; cursor: pointer; background: #fff;
}
.dc-radios input { accent-color: var(--primary-blue); }
.dc-radios label:has(input:checked) { border-color: var(--primary-blue); background: rgba(37, 99, 235, 0.06); color: var(--primary-blue); }
.dc-check { display: flex; gap: 10px; align-items: flex-start; font-size: 0.95rem; }
.dc-check input { margin-top: 4px; width: 18px; height: 18px; accent-color: var(--primary-blue); flex-shrink: 0; }
.dc-solo-empresa[hidden] { display: none; }
.dc-trampa { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }

.dc-error { color: #dc2626; font-weight: 600; margin: 0 0 1rem; display: none; }
.dc-error.visible { display: block; }
.dc-enviar { width: 100%; margin-top: 0.5rem; }
.dc-enviar[disabled] { opacity: 0.7; cursor: wait; transform: none; }

.dc-exito { text-align: center; padding: 1rem 0; }
.dc-exito i { font-size: 4rem; color: var(--accent-teal); }
.dc-exito h3 { font-size: 1.6rem; margin: 0.5rem 0; }
.dc-exito .dc-numero {
  display: inline-block; font-family: var(--font-heading); font-size: 1.8rem; font-weight: 800; color: var(--primary-blue);
  background: rgba(37, 99, 235, 0.08); border-radius: 14px; padding: 0.5rem 1.25rem; margin: 0.75rem 0 1rem;
}
.dc-exito p { color: var(--text-muted); max-width: 520px; margin: 0 auto 0.75rem; }

/* FAQ */
.dc-faq { max-width: 820px; margin: 0 auto; display: grid; gap: 0.75rem; }
.dc-faq details {
  background: var(--bg-color); border: 1px solid var(--border-light); border-radius: 14px; padding: 1.1rem 1.25rem;
}
.dc-faq summary { cursor: pointer; font-weight: 700; color: var(--navy-dark); font-size: 1.05rem; list-style: none; display: flex; justify-content: space-between; gap: 1rem; }
.dc-faq summary::-webkit-details-marker { display: none; }
.dc-faq summary::after { content: '+'; font-size: 1.4rem; line-height: 1; color: var(--primary-blue); }
.dc-faq details[open] summary::after { content: '–'; }
.dc-faq details p { margin-top: 0.75rem; font-size: 1rem; color: var(--text-main); }

@media (max-width: 1024px) {
  .dc-grid-4, .dc-stats, .dc-pasos { grid-template-columns: repeat(2, 1fr); }
  .dc-destinos { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 860px) {
  .dc-hero .container { grid-template-columns: 1fr; }
  .dc-hero h1 { font-size: 2.5rem; }
  .dc-grid-3 { grid-template-columns: 1fr; }
  .dc-item { grid-template-columns: 1fr 1fr; }
  .dc-item > div:nth-child(1), .dc-item > div:nth-child(4) { grid-column: 1 / -1; }
  .dc-item-quitar { justify-self: end; }
}
@media (max-width: 600px) {
  .dc-section { padding: 4rem 0; }
  .dc-section h2 { font-size: 1.9rem; }
  .dc-hero { padding: 5rem 0 3.5rem; }
  .dc-hero h1 { font-size: 2.1rem; }
  .dc-hero-buttons .btn { width: 100%; }
  .dc-grid-4, .dc-destinos, .dc-pasos, .dc-campos { grid-template-columns: 1fr; }
  .dc-stats { grid-template-columns: 1fr 1fr; }
  .dc-stat strong { font-size: 2rem; }
  .dc-form { padding: 1.5rem 1.1rem; }
  .dc-modo button { flex-direction: column; gap: 4px; font-size: 0.92rem; }
}

/* Varias piezas usan display:grid/flex; sin esto el atributo hidden no las oculta. */
.dc-hero [hidden], .dc-section [hidden] { display: none !important; }

/* Título "Dona tus equipos" como botón que despliega el formulario */
.dc-abrir-wrap { text-align: center; }
.dc-abrir-wrap h2 { margin: 0 0 0.75rem; font-size: inherit; }
.dc-abrir-wrap p { color: var(--text-muted); }
.dc-abrir {
  display: inline-flex; align-items: center; gap: 0.6rem;
  font-family: var(--font-heading); font-size: 2.2rem; font-weight: 800; letter-spacing: -0.02em;
  color: #fff; background: var(--primary-blue); border: none; cursor: pointer;
  padding: 1.1rem 2.4rem; border-radius: var(--radius-pill);
  box-shadow: var(--shadow-glow), var(--shadow-lg); transition: var(--trans);
  animation: dc-pulso 2.4s ease-out infinite;
}
.dc-abrir:hover { background: var(--primary-hover); transform: translateY(-2px); }
.dc-abrir i { font-size: 2rem; transition: transform var(--trans); }
.dc-abrir[aria-expanded="true"] { animation: none; }
.dc-abrir[aria-expanded="true"] i { transform: rotate(180deg); }
.dc-abrir-wrap + .dc-form { margin-top: 2.5rem; }

/* Botón que acompaña el scroll: abajo al centro, sin tapar WhatsApp ni el corazón (derecha) */
.dc-sticky {
  position: fixed; left: 50%; bottom: 28px; transform: translateX(-50%); z-index: 900;
  display: inline-flex; align-items: center; gap: 0.6rem;
  font-family: var(--font-body); font-size: 1.05rem; font-weight: 700; color: var(--navy-dark);
  background: var(--accent-gold); border: none; cursor: pointer;
  padding: 0.95rem 1.9rem; border-radius: var(--radius-pill);
  box-shadow: 0 10px 25px -5px rgba(245, 158, 11, 0.55);
  animation: dc-pulso-oro 2.4s ease-out infinite;
}
.dc-sticky i { font-size: 1.4rem; }
.dc-sticky:hover { filter: brightness(1.05); }
.dc-sticky[hidden] { display: none; }

@keyframes dc-pulso {
  0% { box-shadow: 0 0 0 0 rgba(37, 99, 235, 0.55), var(--shadow-lg); }
  70% { box-shadow: 0 0 0 18px rgba(37, 99, 235, 0), var(--shadow-lg); }
  100% { box-shadow: 0 0 0 0 rgba(37, 99, 235, 0), var(--shadow-lg); }
}
@keyframes dc-pulso-oro {
  0% { box-shadow: 0 0 0 0 rgba(245, 158, 11, 0.6); }
  70% { box-shadow: 0 0 0 16px rgba(245, 158, 11, 0); }
  100% { box-shadow: 0 0 0 0 rgba(245, 158, 11, 0); }
}
@media (prefers-reduced-motion: reduce) {
  .dc-abrir, .dc-sticky { animation: none; }
}
@media (max-width: 600px) {
  .dc-abrir { font-size: 1.6rem; padding: 0.9rem 1.6rem; }
  .dc-abrir i { font-size: 1.5rem; }
  /* En celular: barra a lo ancho, dejando espacio a la derecha para los botones flotantes */
  .dc-sticky { left: 16px; right: 100px; transform: none; justify-content: center; bottom: 30px; padding: 0.9rem 1rem; }
}