/* Componentes reutilizables — Excavaciones BCN */

/* ── Botones ── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: 14px 28px;
  font-family: var(--font-display);
  font-size: var(--text-base);
  font-weight: var(--weight-bold);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition:
    background var(--transition-fast),
    color var(--transition-fast),
    transform var(--transition-fast),
    box-shadow var(--transition-fast);
  position: relative;
  overflow: hidden;
  white-space: nowrap;
  -webkit-tap-highlight-color: transparent;
  touch-action: manipulation;
  min-height: 52px;
}

.btn::after {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(255,255,255,0);
  transition: background var(--transition-fast);
}
.btn:hover::after { background: rgba(255,255,255,0.06); }
.btn:active { transform: scale(0.97); }

.btn-primary {
  background: var(--color-primary);
  color: var(--color-text-inverse);
  box-shadow: 0 4px 20px rgba(212, 117, 10, 0.3);
}
.btn-primary:hover {
  background: var(--color-primary-light);
  box-shadow: var(--shadow-glow);
  transform: translateY(-1px);
}

.btn-accent {
  background: var(--color-accent);
  color: var(--color-text-inverse);
  box-shadow: 0 4px 20px rgba(245, 166, 35, 0.3);
}
.btn-accent:hover {
  box-shadow: var(--shadow-accent-glow);
  transform: translateY(-1px);
}

.btn-outline {
  background: transparent;
  color: var(--color-text);
  border: 1.5px solid var(--color-border-emphasis);
}
.btn-outline:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.btn-ghost {
  background: transparent;
  color: var(--color-text-secondary);
}
.btn-ghost:hover { color: var(--color-text); }

.btn-sm {
  padding: 10px 20px;
  font-size: var(--text-sm);
  min-height: 44px;
}
.btn-lg {
  padding: 18px 36px;
  font-size: var(--text-lg);
  min-height: 60px;
}

.btn svg {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
  transition: transform var(--transition-fast);
}
.btn:hover svg.arrow { transform: translateX(3px); }

/* ── Cards ── */
.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
  transition:
    border-color var(--transition-base),
    box-shadow var(--transition-base),
    transform var(--transition-base);
}
.card:hover {
  border-color: var(--color-border-emphasis);
  box-shadow: var(--shadow-glow-sm);
  transform: translateY(-4px);
}

.card-service {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-10);
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  transition:
    border-color var(--transition-base),
    background var(--transition-base),
    transform var(--transition-base);
  position: relative;
  overflow: hidden;
}
.card-service::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--color-primary), transparent);
  opacity: 0;
  transition: opacity var(--transition-base);
}
.card-service:hover::before { opacity: 1; }
.card-service:hover {
  border-color: var(--color-primary);
  background: var(--color-surface-raised);
  transform: translateY(-4px);
}

.card-service__icon {
  width: 56px;
  height: 56px;
  background: rgba(212, 117, 10, 0.12);
  border-radius: var(--radius-md);
  display: grid;
  place-items: center;
  color: var(--color-primary);
  transition: background var(--transition-base), transform var(--transition-base);
}
.card-service:hover .card-service__icon {
  background: rgba(212, 117, 10, 0.2);
  transform: scale(1.05);
}
.card-service__icon svg { width: 28px; height: 28px; }

.card-service__title {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: var(--weight-extrabold);
  color: var(--color-text);
  line-height: var(--leading-snug);
}
.card-service__desc {
  color: var(--color-text-secondary);
  line-height: var(--leading-relaxed);
  flex: 1;
  max-width: none;
}
.card-service__link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-weight: var(--weight-semibold);
  font-size: var(--text-sm);
  color: var(--color-primary);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  transition: gap var(--transition-fast);
}
.card-service:hover .card-service__link { gap: var(--space-3); }
.card-service__link svg { width: 16px; height: 16px; }

/* ── Badge ── */
.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: 4px 12px;
  font-size: var(--text-xs);
  font-weight: var(--weight-bold);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  border-radius: var(--radius-full);
}
.badge-primary {
  background: rgba(212, 117, 10, 0.15);
  color: var(--color-primary);
  border: 1px solid rgba(212, 117, 10, 0.3);
}
.badge-accent {
  background: rgba(245, 166, 35, 0.15);
  color: var(--color-accent);
  border: 1px solid rgba(245, 166, 35, 0.3);
}

/* ── Stats counter ── */
.stat-item {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}
.stat-number {
  font-family: var(--font-display);
  font-size: var(--text-5xl);
  font-weight: var(--weight-extrabold);
  color: var(--color-text);
  line-height: 1;
  letter-spacing: -0.03em;
}
.stat-number span { color: var(--color-accent); }
.stat-label {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: var(--weight-medium);
}

/* ── Testimonio ── */
.testimonial {
  background: var(--color-surface-raised);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-10);
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
}
.testimonial__quote {
  font-size: var(--text-lg);
  line-height: var(--leading-relaxed);
  color: var(--color-text);
  font-style: italic;
  max-width: none;
}
.testimonial__quote::before { content: '\201C'; color: var(--color-primary); }
.testimonial__quote::after  { content: '\201D'; color: var(--color-primary); }
.testimonial__author {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}
.testimonial__avatar {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-full);
  background: var(--color-surface-overlay);
  border: 2px solid var(--color-border-emphasis);
  overflow: hidden;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}
.testimonial__avatar img { width: 100%; height: 100%; object-fit: cover; }
.testimonial__name {
  font-weight: var(--weight-bold);
  color: var(--color-text);
  font-size: var(--text-base);
  max-width: none;
}
.testimonial__role {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  max-width: none;
}
.testimonial__stars {
  color: var(--color-accent);
  font-size: var(--text-lg);
  letter-spacing: 2px;
}

/* ── Acordeón FAQ ── */
.accordion-item {
  border-bottom: 1px solid var(--color-border);
}
.accordion-trigger {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  padding: var(--space-6) 0;
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: var(--weight-bold);
  color: var(--color-text);
  text-align: left;
  cursor: pointer;
  transition: color var(--transition-fast);
}
.accordion-trigger:hover { color: var(--color-primary); }
.accordion-trigger svg {
  width: 22px;
  height: 22px;
  flex-shrink: 0;
  color: var(--color-primary);
  transition: transform var(--transition-base);
}
.accordion-trigger[aria-expanded="true"] svg { transform: rotate(45deg); }
.accordion-content {
  overflow: hidden;
  max-height: 0;
  transition: max-height 0.36s ease;
}
/* .open solo marca estado — max-height la controla JS via style inline */
.accordion-content.open { max-height: 800px; }
.accordion-inner {
  padding-bottom: var(--space-6);
  color: var(--color-text-secondary);
  line-height: var(--leading-relaxed);
  max-width: none;
}

/* ── Form ── */
.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}
.form-label {
  font-size: var(--text-sm);
  font-weight: var(--weight-semibold);
  color: var(--color-text);
  letter-spacing: 0.02em;
}
.form-label .required { color: var(--color-accent); margin-left: 2px; }
.form-input,
.form-textarea,
.form-select {
  width: 100%;
  padding: 14px 18px;
  background: var(--color-surface-raised);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-md);
  color: var(--color-text);
  font-size: var(--text-base);
  transition:
    border-color var(--transition-fast),
    box-shadow var(--transition-fast);
  min-height: 52px;
}
.form-input::placeholder,
.form-textarea::placeholder { color: var(--color-text-muted); }
.form-input:focus,
.form-textarea:focus,
.form-select:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(212, 117, 10, 0.15);
}
.form-input.error,
.form-textarea.error { border-color: var(--color-error); }
.form-textarea { resize: vertical; min-height: 140px; line-height: var(--leading-relaxed); }
.form-error {
  font-size: var(--text-sm);
  color: var(--color-error);
  display: flex;
  align-items: center;
  gap: var(--space-1);
}
.form-helper { font-size: var(--text-sm); color: var(--color-text-muted); }

/* ── Breadcrumb ── */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  flex-wrap: wrap;
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}
.breadcrumb a {
  color: var(--color-text-muted);
  transition: color var(--transition-fast);
}
.breadcrumb a:hover { color: var(--color-primary); }
.breadcrumb-sep { color: var(--color-border-emphasis); }
.breadcrumb span[aria-current] { color: var(--color-text-secondary); }

/* ── Tag ── */
.tag {
  display: inline-block;
  padding: 4px 12px;
  background: var(--color-surface-raised);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  font-weight: var(--weight-medium);
  color: var(--color-text-secondary);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  transition: border-color var(--transition-fast), color var(--transition-fast);
}
.tag:hover { border-color: var(--color-primary); color: var(--color-primary); }

/* ── Avatar con iniciales ── */
.avatar-initials {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 100%;
  font-family: var(--font-display);
  font-weight: var(--weight-extrabold);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  border-radius: inherit;
  user-select: none;
  background: rgba(212, 117, 10, 0.18);
  color: var(--color-accent);
  font-size: 1rem;
}
/* Variantes de color */
.av--a { background: rgba(212, 117, 10, 0.18); color: var(--color-accent); }
.av--b { background: rgba(168, 90, 5, 0.16); color: var(--color-primary-light); }
.av--c { background: rgba(212, 117, 10, 0.16); color: var(--color-primary-light); }

/* Contextos de tamaño */
.testimonial__avatar .avatar-initials { font-size: var(--text-base); }
.team-avatar .avatar-initials         { font-size: var(--text-4xl); }

/* ── Team avatar circle ── */
.team-avatar {
  width: 120px;
  height: 120px;
  border-radius: 50%;
  overflow: hidden;
  margin: 0 auto var(--space-5);
  border: 3px solid var(--color-border-emphasis);
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: border-color var(--transition-base);
}
.team-avatar:hover { border-color: var(--color-primary); }
.team-avatar img { width: 100%; height: 100%; object-fit: cover; display: block; }

/* ── Hero social proof avatar ── */
.hero-avatar-item {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: var(--radius-full);
  border: 2px solid var(--color-background);
  margin-left: -10px;
  font-family: var(--font-display);
  font-weight: var(--weight-extrabold);
  font-size: 0.5rem;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  user-select: none;
  flex-shrink: 0;
}
.hero-avatar-item:first-child { margin-left: 0; }

/* ── Proceso step ── */
.step-item {
  display: flex;
  gap: var(--space-6);
  position: relative;
}
.step-number {
  font-family: var(--font-display);
  font-size: var(--text-3xl);
  font-weight: var(--weight-extrabold);
  color: rgba(212, 117, 10, 0.25);
  line-height: 1;
  flex-shrink: 0;
  min-width: 2ch;
  transition: color var(--transition-base);
}
.step-item:hover .step-number { color: var(--color-primary); }
.step-content h3 { font-size: var(--text-2xl); margin-bottom: var(--space-3); }
.step-content p { max-width: none; }