/* ============================================================
   CARVO · Componentes UI
   ============================================================ */

/* ---------- Botones ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  min-height: var(--btn-h);
  padding: 0.85rem 1.75rem;
  border-radius: var(--radius-pill);
  font-weight: 700;
  font-size: var(--fs-small);
  letter-spacing: 0.02em;
  text-decoration: none;
  cursor: pointer;
  border: 1px solid transparent;
  transition: transform var(--dur-fast) var(--ease-out),
              box-shadow var(--dur-fast) var(--ease-out),
              background var(--dur-fast) var(--ease-out),
              color var(--dur-fast) var(--ease-out),
              border-color var(--dur-fast) var(--ease-out);
}

.btn:active { transform: scale(0.98); }

.btn--primary {
  background: var(--g-brand);
  color: var(--text-on-green);
}

.btn--primary:hover {
  box-shadow: 0 6px 30px rgba(157, 218, 0, 0.35);
  transform: translateY(-2px);
}

.btn--ghost {
  background: transparent;
  color: var(--text);
  border-color: var(--border-strong);
}

.btn--ghost:hover {
  border-color: var(--c-green);
  color: var(--c-green);
}

.btn--dark {
  background: var(--c-graphite);
  color: var(--text);
  border-color: var(--border);
}

.btn--dark:hover { border-color: var(--border-strong); }

.btn--whatsapp {
  background: transparent;
  color: var(--text);
  border-color: rgba(37, 211, 102, 0.5);
}

.btn--whatsapp:hover {
  background: rgba(37, 211, 102, 0.12);
  border-color: #25d366;
}

.btn--whatsapp svg { color: #25d366; }

.btn--lg { min-height: var(--btn-h-lg); padding-inline: 2.25rem; font-size: 1rem; }
.btn--block { width: 100%; }

.btn[disabled],
.btn[aria-disabled="true"] {
  opacity: 0.45;
  pointer-events: none;
}

/* Flecha en botones */
.btn .arr { transition: transform var(--dur-fast) var(--ease-out); }
.btn:hover .arr { transform: translateX(3px); }

/* ---------- Link con flecha ---------- */
.link-arrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--c-green);
  font-weight: 700;
  font-size: var(--fs-small);
  text-decoration: none;
}

.link-arrow svg { transition: transform var(--dur-fast) var(--ease-out); }
.link-arrow:hover svg { transform: translateX(4px); }

/* ---------- Burger ---------- */
.burger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 6px;
  width: var(--tap-min);
  height: var(--tap-min);
  padding: 10px;
  border-radius: var(--radius-sm);
}

.burger span {
  display: block;
  height: 2px;
  width: 100%;
  background: var(--text);
  transition: transform var(--dur-base) var(--ease-out), opacity var(--dur-base);
}

.burger[aria-expanded="true"] span:nth-child(1) { transform: translateY(8px) rotate(45deg); }
.burger[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.burger[aria-expanded="true"] span:nth-child(3) { transform: translateY(-8px) rotate(-45deg); }

/* ---------- Drawer móvil ---------- */
.drawer {
  position: fixed;
  inset: 0;
  z-index: var(--z-drawer);
  display: flex;
  flex-direction: column;
  background: rgba(9, 11, 13, 0.98);
  -webkit-backdrop-filter: blur(20px);
  backdrop-filter: blur(20px);
  padding: calc(var(--header-h) + 1rem) var(--container-pad) 2rem;
  transform: translateX(100%);
  visibility: hidden;
  transition: transform var(--dur-base) var(--ease-in-out), visibility 0s var(--dur-base);
  overflow-y: auto;
}

.drawer.is-open {
  transform: translateX(0);
  visibility: visible;
  transition: transform var(--dur-base) var(--ease-in-out);
}

.drawer-nav {
  display: flex;
  flex-direction: column;
  margin-top: 1rem;
}

.drawer-nav a {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 7vw, 2.4rem);
  text-transform: uppercase;
  text-decoration: none;
  color: var(--text);
  padding-block: 0.9rem;
  border-bottom: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.drawer-nav a .idx {
  font-family: var(--font-mono);
  font-size: var(--fs-micro);
  color: var(--text-3);
}

.drawer-nav a:hover,
.drawer-nav a[aria-current="page"] { color: var(--c-green); }

.drawer-actions {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin-top: 2rem;
}

.drawer-foot {
  margin-top: auto;
  padding-top: 2rem;
  color: var(--text-3);
  font-family: var(--font-mono);
  font-size: var(--fs-micro);
  letter-spacing: 0.08em;
}

/* ---------- Formularios ---------- */
.field {
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
  margin-bottom: 1.1rem;
}

.field label {
  font-size: var(--fs-small);
  font-weight: 600;
  color: var(--text-2);
}

.field .req { color: var(--c-green); }

.input,
.select,
.textarea {
  width: 100%;
  min-height: var(--btn-h);
  padding: 0.8rem 1rem;
  background: var(--bg-card);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-md);
  color: var(--text);
  transition: border-color var(--dur-fast) var(--ease-out), box-shadow var(--dur-fast);
}

.textarea { min-height: 130px; resize: vertical; }

.input::placeholder,
.textarea::placeholder { color: var(--text-3); }

.input:focus,
.select:focus,
.textarea:focus {
  outline: none;
  border-color: var(--c-green);
  box-shadow: 0 0 0 3px rgba(166, 206, 57, 0.18);
}

.input[aria-invalid="true"],
.select[aria-invalid="true"] {
  border-color: #e5484d;
}

.field-error {
  font-size: var(--fs-micro);
  color: #ff8589;
  display: none;
}

.field.has-error .field-error { display: block; }

.select {
  appearance: none;
  background-image: url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' fill='none'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%23A6CE39' stroke-width='2' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 1rem center;
  padding-right: 2.5rem;
}

.form-note {
  font-size: var(--fs-micro);
  color: var(--text-3);
}

/* ---------- Selector de servicio (wizard) ---------- */
.selector {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.selector-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.25rem clamp(1.25rem, 3vw, 2rem);
  border-bottom: 1px solid var(--border);
}

.selector-head .mono { color: var(--text-3); }

.selector-progress {
  display: flex;
  gap: 0.4rem;
}

.selector-progress i {
  width: 26px;
  height: 4px;
  border-radius: 2px;
  background: var(--c-graphite-2);
  transition: background var(--dur-base);
}

.selector-progress i.is-active { background: var(--g-brand); }

.selector-body {
  padding: clamp(1.5rem, 3vw, 2.5rem);
}

.selector-step[hidden] { display: none; }

.selector-step h3 {
  font-size: var(--fs-h3);
  margin-bottom: 1.25rem;
}

.option-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.75rem;
}

.option-btn {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.5rem;
  padding: 1rem 1.1rem;
  min-height: 84px;
  background: var(--bg-elev);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-md);
  color: var(--text);
  text-align: left;
  font-size: var(--fs-small);
  font-weight: 600;
  transition: border-color var(--dur-fast), background var(--dur-fast), transform var(--dur-fast);
}

.option-btn svg { color: var(--c-green); }

.option-btn:hover {
  border-color: var(--c-green);
  transform: translateY(-2px);
}

.option-btn[aria-pressed="true"] {
  border-color: var(--c-green);
  background: rgba(166, 206, 57, 0.08);
  box-shadow: inset 0 0 0 1px var(--c-green);
}

.selector-nav {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  margin-top: 1.75rem;
}

.selector-summary {
  background: var(--bg-elev);
  border: 1px dashed var(--border-strong);
  border-radius: var(--radius-md);
  padding: 1.1rem 1.25rem;
  margin-bottom: 1.25rem;
  font-family: var(--font-mono);
  font-size: var(--fs-micro);
  letter-spacing: 0.04em;
  color: var(--text-2);
  line-height: 1.9;
}

.selector-summary b { color: var(--c-green); font-weight: 500; }

/* ---------- Accordion ---------- */
.accordion {
  border-top: 1px solid var(--border);
}

.accordion-item {
  border-bottom: 1px solid var(--border);
}

.accordion-trigger {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.25rem 0.25rem;
  text-align: left;
  font-size: var(--fs-h3);
  font-weight: 700;
  color: var(--text);
}

.accordion-trigger .ico {
  flex-shrink: 0;
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  border: 1px solid var(--border-strong);
  border-radius: 50%;
  color: var(--c-green);
  transition: transform var(--dur-base) var(--ease-out), background var(--dur-base);
}

.accordion-trigger[aria-expanded="true"] .ico {
  transform: rotate(45deg);
  background: rgba(166, 206, 57, 0.1);
}

.accordion-panel {
  overflow: hidden;
  max-height: 0;
  transition: max-height var(--dur-base) var(--ease-in-out);
}

.accordion-panel-inner {
  padding: 0 0.25rem 1.5rem;
  color: var(--text-2);
  max-width: 62ch;
}

/* ---------- Badges / chips ---------- */
.chip {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.35rem 0.85rem;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-pill);
  font-family: var(--font-mono);
  font-size: var(--fs-micro);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-2);
}

.chip--green {
  border-color: var(--border-green);
  color: var(--c-green);
}

/* ---------- Tabla técnica ---------- */
.spec-table {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--fs-small);
}

.spec-table th,
.spec-table td {
  text-align: left;
  padding: 0.85rem 0.5rem;
  border-bottom: 1px solid var(--border);
}

.spec-table th {
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: var(--fs-micro);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-3);
}

.spec-table td { color: var(--text-2); }
.spec-table td:first-child { color: var(--text); font-weight: 600; }

/* ---------- Stat / dato técnico ---------- */
.stat {
  border-left: 2px solid var(--c-green);
  padding-left: 1.25rem;
}

.stat .value {
  font-family: var(--font-display);
  font-size: var(--fs-h1);
  line-height: 1;
}

.stat .label {
  margin-top: 0.4rem;
  font-family: var(--font-mono);
  font-size: var(--fs-micro);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-3);
}

/* ---------- Toast ---------- */
.toast {
  position: fixed;
  bottom: 1.25rem;
  left: 50%;
  transform: translate(-50%, 150%);
  z-index: var(--z-toast);
  background: var(--c-graphite);
  border: 1px solid var(--border-green);
  color: var(--text);
  padding: 0.9rem 1.5rem;
  border-radius: var(--radius-md);
  font-size: var(--fs-small);
  box-shadow: var(--shadow-card);
  transition: transform var(--dur-base) var(--ease-out);
}

.toast.is-visible { transform: translate(-50%, 0); }

/* Tarjeta CTA del grid de servicios */
.service-card--cta {
  background: linear-gradient(160deg, rgba(127, 184, 0, 0.12), rgba(9, 11, 13, 0)), var(--bg-card);
  border-color: var(--border-green);
  justify-content: center;
}

.service-card--cta .service-card-body { flex: 0; }