/* ── Cursor glow ───────────────────────────────────────────────────── */
.cursor-glow {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 1;
  background: radial-gradient(
    700px circle at var(--cx, -200%) var(--cy, -200%),
    rgba(0, 229, 255, 0.055),
    transparent 70%
  );
  transition: background 0.05s linear;
}

[data-theme="light"] .nav-logo-img {
  filter: invert(1);
}

[data-theme="light"] .cursor-glow {
  background: radial-gradient(
    700px circle at var(--cx, -200%) var(--cy, -200%),
    rgba(0, 136, 170, 0.09),
    transparent 70%
  );
}

/* ── Toggle de moneda ──────────────────────────────────────────────── */
.currency-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 32px;
}

.currency-toggle {
  display: flex;
  border: 1px solid var(--color-bg-border);
  border-radius: 5px;
  overflow: hidden;
}

.currency-btn {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  font-weight: 700;
  color: var(--color-text-secondary);
  background: transparent;
  border: none;
  border-right: 1px solid var(--color-bg-border);
  padding: 9px 22px;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.currency-btn:last-child { border-right: none; }

.currency-btn:hover:not(.is-active) {
  color: var(--color-text-primary);
  background: var(--color-bg-surface);
}

.currency-btn.is-active {
  color: var(--color-bg-base);
  background: var(--color-accent);
}

.currency-note {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.08em;
  color: var(--color-text-secondary);
}

/* ── Panel de accesibilidad ────────────────────────────────────────── */
.a11y-toggle {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 500;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  font-weight: 700;
  color: var(--color-bg-base);
  background: var(--color-accent);
  border: none;
  padding: 12px 18px;
  cursor: pointer;
  transition: all var(--transition-fast);
  border-radius: 5px;
  box-shadow: 0 4px 20px rgba(0, 229, 255, 0.35);
}

.a11y-toggle:hover {
  background: var(--color-accent-hover);
  box-shadow: 0 4px 28px rgba(0, 229, 255, 0.55);
  transform: translateY(-1px);
}

.a11y-panel {
  position: fixed;
  bottom: 62px;
  right: 24px;
  z-index: 499;
  background: var(--color-bg-surface);
  border: 1px solid var(--color-bg-border);
  border-radius: 5px;
  padding: 20px;
  min-width: 230px;
  box-shadow: 0 12px 40px rgba(0,0,0,0.5);
  display: none;
}

.a11y-panel.is-open { display: block; }

.a11y-group-label {
  font-family: var(--font-mono);
  font-size: 8px;
  letter-spacing: 0.2em;
  color: var(--color-text-secondary);
  display: block;
  margin-bottom: 8px;
}

.a11y-group { margin-bottom: 16px; }
.a11y-group:last-child { margin-bottom: 0; }

.a11y-options {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.a11y-btn {
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 0.08em;
  color: var(--color-text-secondary);
  background: var(--color-bg-base);
  border: 1px solid var(--color-bg-border);
  padding: 6px 10px;
  cursor: pointer;
  transition: all var(--transition-fast);
  border-radius: 4px;
  white-space: nowrap;
}

.a11y-btn:hover {
  color: var(--color-text-primary);
  border-color: var(--color-text-secondary);
}

.a11y-btn.is-active {
  color: var(--color-bg-base);
  background: var(--color-accent);
  border-color: var(--color-accent);
}

/* ── Container ─────────────────────────────────────────────────────── */
.container {
  max-width: clamp(1200px, 75vw, 1600px);
  margin: 0 auto;
  padding: 0 var(--space-4);
}

/* ── Scroll suave ──────────────────────────────────────────────────── */
html { scroll-behavior: smooth; }

/* ── Nav ───────────────────────────────────────────────────────────── */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-3) var(--space-4);
  background: var(--nav-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: var(--border);
}

.nav-logo {
  display: flex;
  align-items: center;
  text-decoration: none;
}

.nav-logo-img {
  height: 40px;
  width: auto;
  display: block;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  list-style: none;
}

.nav-links a {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: var(--tracking-wide);
  color: var(--color-text-secondary);
  transition: color var(--transition-fast);
}

.nav-links a:hover { color: var(--color-text-primary); }

.nav-links a.nav-active {
  color: var(--color-text-primary);
  position: relative;
}

.nav-links a.nav-active::after {
  content: '';
  position: absolute;
  bottom: -3px;
  left: 0;
  right: 0;
  height: 1px;
  background: var(--color-accent);
}

.nav-cta { color: var(--color-accent) !important; }

/* ── Botones ───────────────────────────────────────────────────────── */
.btn-primary,
.btn-secondary {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: var(--tracking-wide);
  text-decoration: none;
  padding: 14px 28px;
  transition: all var(--transition-base);
  cursor: pointer;
  border: none;
  border-radius: 5px;
}

.btn-primary {
  background: var(--color-accent);
  color: var(--color-bg-base);
  font-weight: 700;
}

.btn-primary:hover {
  background: var(--color-accent-hover);
  color: var(--color-bg-base);
}

.btn-secondary {
  border: 1px solid var(--color-text-secondary);
  color: var(--color-text-primary);
  background: transparent;
}

.btn-secondary:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
}

/* ── Hero ──────────────────────────────────────────────────────────── */
.hero {
  min-height: 100svh;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding-top: calc(72px + var(--space-12));
  padding-bottom: var(--space-8);
}

.hero-tag {
  display: block;
  margin-bottom: var(--space-3);
}

.hero-headline {
  font-size: clamp(2.25rem, 4.5vw, 7rem);
  max-width: 16ch;
  margin-bottom: var(--space-4);
  line-height: var(--leading-tight);
  letter-spacing: var(--tracking-tight);
}

.hero-sub {
  font-size: var(--text-lg);
  max-width: 52ch;
  margin-bottom: var(--space-6);
  color: var(--color-text-secondary);
  line-height: var(--leading-relaxed);
}

.hero-ctas {
  display: flex;
  gap: var(--space-2);
  flex-wrap: wrap;
}

.hero-footer { margin-top: auto; padding-top: var(--space-8); }

.hero-rule {
  height: 1px;
  background: var(--color-bg-border);
  margin-bottom: var(--space-3);
}

.hero-tags-preview {
  display: flex;
  gap: var(--space-4);
  flex-wrap: wrap;
}

/* ── Secciones ─────────────────────────────────────────────────────── */
.section { padding: var(--space-16) 0; }

.section-header {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  margin-bottom: var(--space-8);
}

.section-header h2 { font-size: clamp(2rem, 3.5vw, 5.5rem); }

.section-cta { margin-top: var(--space-6); }

/* ── Servicios ─────────────────────────────────────────────────────── */
.services-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: var(--color-bg-border);
  border: 1px solid var(--color-bg-border);
}

.service-card {
  position: relative;
  background: var(--color-bg-base);
  padding: var(--space-6);
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  transition: background var(--transition-base);
  overflow: hidden;
}

.service-card::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--color-accent);
  transition: width var(--transition-slow);
}

.service-card:hover { background: var(--color-bg-surface); }
.service-card:hover::after { width: 100%; }

.service-card h3 {
  font-size: var(--text-xl);
  margin-top: var(--space-1);
}

/* ── About ─────────────────────────────────────────────────────────── */
.about-grid {
  display: grid;
  grid-template-columns: 180px 1fr;
  gap: var(--space-12);
  align-items: start;
}

.about-label {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  position: sticky;
  top: calc(72px + var(--space-4));
}

.about-accent-bar {
  width: 4px;
  height: 100px;
  background: var(--color-accent);
}

.about-content {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.about-content > p {
  font-size: var(--text-lg);
  line-height: var(--leading-relaxed);
}

.about-cierre {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: var(--tracking-wide);
  color: var(--color-accent);
  padding: var(--space-3) 0;
  border-top: 1px solid var(--color-bg-border);
  border-bottom: 1px solid var(--color-bg-border);
  margin: var(--space-1) 0 var(--space-3);
}

/* ── Contacto ──────────────────────────────────────────────────────── */
.section-contact {
  background: var(--color-bg-surface);
  border-top: var(--border);
  border-bottom: var(--border);
}

.section-contact h2 {
  font-size: clamp(2rem, 4vw, 5.5rem);
  margin: var(--space-2) 0 var(--space-3);
  letter-spacing: var(--tracking-tight);
}

.section-contact > .container > p {
  font-size: var(--text-lg);
  margin-bottom: var(--space-4);
}

/* ── Footer ────────────────────────────────────────────────────────── */
.footer {
  padding: var(--space-8) 0 var(--space-6);
  border-top: var(--border);
}

.footer-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--space-6);
}

.footer-nav {
  display: flex;
  gap: var(--space-4);
  list-style: none;
}

.footer-nav a {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: var(--tracking-wide);
  color: var(--color-text-secondary);
  transition: color var(--transition-fast);
}

.footer-nav a:hover { color: var(--color-accent); }

.footer-rule {
  height: 1px;
  background: var(--color-bg-border);
  margin-bottom: var(--space-4);
}

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

/* ── Animaciones de entrada ────────────────────────────────────────── */
[data-animate] {
  opacity: 0;
  transform: translateY(28px);
  transition:
    opacity  0.7s cubic-bezier(0.16, 1, 0.3, 1),
    transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
  transition-delay: var(--anim-delay, 0ms);
}

[data-animate].is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
  [data-animate] { opacity: 1; transform: none; transition: none; }
}

/* ── Accesibilidad ─────────────────────────────────────────────────── */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 4px;
}

/* ── Responsive: tablet ────────────────────────────────────────────── */
@media (max-width: 900px) {
  .about-grid {
    grid-template-columns: 1fr;
    gap: var(--space-4);
  }

  .about-label {
    position: static;
    flex-direction: row;
    align-items: center;
  }

  .about-accent-bar {
    width: 40px;
    height: 4px;
  }
}

/* ── Trabajos ──────────────────────────────────────────────────────── */
.works-filters {
  display: flex;
  gap: var(--space-2);
  flex-wrap: wrap;
  margin-bottom: var(--space-8);
}

.filter-btn {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: var(--tracking-wide);
  color: var(--color-text-secondary);
  background: none;
  border: 1px solid var(--color-bg-border);
  padding: 8px 16px;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.filter-btn:hover {
  border-color: var(--color-text-secondary);
  color: var(--color-text-primary);
}

.filter-btn.is-active {
  border-color: var(--color-accent);
  color: var(--color-accent);
}

.works-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--color-bg-border);
  border: 1px solid var(--color-bg-border);
}

.work-card { background: var(--color-bg-base); }

.work-card.is-hidden { display: none; }

.work-visual {
  aspect-ratio: 4 / 3;
  background: var(--color-bg-surface);
  position: relative;
  overflow: hidden;
}

.work-visual::before {
  content: 'A_';
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 6rem;
  color: var(--color-bg-border);
  letter-spacing: -0.03em;
  position: absolute;
  bottom: -0.5rem;
  right: 1rem;
  line-height: 1;
  transition: color var(--transition-base);
}

.work-visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  position: absolute;
  inset: 0;
  display: block;
}

.work-overlay {
  position: absolute;
  inset: 0;
  background: var(--nav-bg);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity var(--transition-base);
}

.work-card:hover .work-overlay { opacity: 1; }

.work-card:hover .work-visual::before { color: var(--color-bg-surface); }

.work-link {
  font-size: var(--text-xs);
  letter-spacing: var(--tracking-wide);
  color: var(--color-accent);
  text-decoration: none;
  border-bottom: 1px solid var(--color-accent);
  padding-bottom: 2px;
  transition: opacity var(--transition-fast);
}

.work-link:hover { opacity: 0.7; color: var(--color-accent); }

.work-info {
  padding: var(--space-3) var(--space-4);
  border-top: var(--border);
  display: flex;
  flex-direction: column;
  gap: 6px;
  transition: border-color var(--transition-base);
}

.work-card:hover .work-info { border-top-color: var(--color-accent); }

.work-info h3 {
  font-size: var(--text-base);
  letter-spacing: var(--tracking-tight);
}

@media (max-width: 900px) {
  .works-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 640px) {
  .works-grid { grid-template-columns: 1fr; }
}

/* ── Hamburger ─────────────────────────────────────────────────────── */
.nav-hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 32px;
  height: 32px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
  position: relative;
  z-index: 200;
  touch-action: manipulation;
  -webkit-tap-highlight-color: transparent;
}

.nav-hamburger span {
  display: block;
  width: 100%;
  height: 1px;
  background: var(--color-text-primary);
  transition: transform var(--transition-base), opacity var(--transition-base);
  transform-origin: center;
}

.nav-hamburger[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(6px) rotate(45deg);
}
.nav-hamburger[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}
.nav-hamburger[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-6px) rotate(-45deg);
}

/* ── Menú móvil overlay ────────────────────────────────────────────── */
.mobile-menu {
  position: fixed;
  top: var(--nav-height, 88px);
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 150;
  background: var(--color-bg-base);
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  overflow-y: auto;
  padding: 0 var(--space-4) var(--space-8);
  border-top: 1px solid var(--color-bg-border);

  visibility: hidden;
  opacity: 0;
  transform: translateX(100%);
  transition:
    transform var(--transition-slow),
    opacity var(--transition-slow),
    visibility var(--transition-slow);
}

.mobile-menu.is-open {
  visibility: visible;
  opacity: 1;
  transform: translateX(0);
}

.mobile-menu-header {
  display: flex;
  justify-content: flex-end;
  padding: var(--space-3) 0;
  border-bottom: 1px solid var(--color-bg-border);
  margin-bottom: var(--space-4);
}

.mobile-menu ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.mobile-menu a {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2rem, 10vw, 3.5rem);
  letter-spacing: var(--tracking-tight);
  color: var(--color-text-secondary);
  text-decoration: none;
  line-height: 1.1;
  transition: color var(--transition-fast);
}

.mobile-menu a:hover { color: var(--color-text-primary); }

.mobile-menu-cta { color: var(--color-accent) !important; }

.mobile-menu-close {
  background: none;
  border: none;
  color: var(--color-accent);
  font-family: var(--font-mono, 'Space Mono', monospace);
  font-size: 10px;
  letter-spacing: 0.16em;
  cursor: pointer;
  padding: 10px 2px;
  touch-action: manipulation;
  -webkit-tap-highlight-color: transparent;
  transition: opacity var(--transition-base);
  min-width: 44px;
  min-height: 44px;
  display: flex;
  align-items: center;
  justify-content: flex-end;
}
.mobile-menu-close:hover { opacity: 0.65; }

.mobile-menu-guia {
  color: var(--color-accent) !important;
  font-family: var(--font-mono, 'Space Mono', monospace) !important;
  font-size: 11px !important;
  letter-spacing: 0.12em !important;
}

.mobile-menu-tagline {
  margin-top: auto;
  padding-top: var(--space-6);
  border-top: var(--border);
}

/* ── WhatsApp flotante ─────────────────────────────────────────────── */
.wa-fab {
  position: fixed;
  bottom: 88px;
  right: 24px;
  z-index: 500;
  width: 56px;
  height: 56px;
  background: #25D366;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  box-shadow: 0 4px 20px rgba(37, 211, 102, 0.35);
  transition: all var(--transition-fast);
  text-decoration: none;
}

.wa-fab:hover {
  background: #1ebe5d;
  transform: scale(1.08);
  box-shadow: 0 6px 28px rgba(37, 211, 102, 0.45);
}

/* ── Chat flotante ─────────────────────────────────────────────────── */
.chat-fab {
  position: fixed;
  bottom: 24px;
  left: 24px;
  z-index: 500;
  width: 56px;
  height: 56px;
  background: var(--color-accent);
  color: var(--color-bg-base);
  border: none;
  border-radius: 50%;
  cursor: pointer;
  font-family: var(--font-mono);
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.13em;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
  box-shadow: 0 4px 20px rgba(0, 229, 255, 0.35);
}

.chat-fab:hover {
  background: var(--color-accent-hover);
  box-shadow: 0 4px 28px rgba(0, 229, 255, 0.55);
  transform: translateY(-2px);
}

.chat-fab-notif {
  position: absolute;
  top: -2px;
  right: -2px;
  min-width: 18px;
  height: 18px;
  padding: 0 5px;
  background: #FF5757;
  border-radius: 9999px;
  border: 2px solid var(--color-bg-base);
  font-family: var(--font-mono);
  font-size: 9px;
  font-weight: 700;
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  letter-spacing: 0;
  animation: notif-pulse 2.5s ease infinite;
}

@keyframes notif-pulse {
  0%, 100% { transform: scale(1); }
  50%       { transform: scale(1.15); }
}

.chat-panel {
  position: fixed;
  bottom: 88px;
  left: 24px;
  width: 370px;
  height: 530px;
  z-index: 499;
  overflow: hidden;
  border: 1px solid var(--color-accent);
  transform: translateY(16px) scale(0.97);
  opacity: 0;
  pointer-events: none;
  transition: transform var(--transition-base), opacity var(--transition-base);
  transform-origin: bottom left;
  box-shadow: 0 8px 40px rgba(0, 229, 255, 0.18);
}

.chat-panel.is-open {
  transform: translateY(0) scale(1);
  opacity: 1;
  pointer-events: auto;
}

.chat-panel iframe {
  width: 100%;
  height: 100%;
  border: none;
  display: block;
}

@media (max-width: 500px) {
  .chat-panel {
    left: 12px;
    right: 12px;
    width: auto;
    height: calc(100dvh - 110px);
    bottom: 88px;
  }
}

/* ── Responsive: móvil ─────────────────────────────────────────────── */
/* ── Service card footer ───────────────────────────────────────────── */
.service-card {
  display: flex;
  flex-direction: column;
}
.service-card-body { flex: 1; }
.service-card-footer {
  margin-top: var(--space-4);
  padding-top: var(--space-3);
  border-top: 1px solid var(--color-bg-border);
}
.service-link {
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--color-accent);
  text-decoration: none;
  transition: opacity var(--transition-fast);
}
.service-link:hover { opacity: 0.7; }

/* ── About stats ───────────────────────────────────────────────────── */
.about-stats {
  display: flex;
  gap: var(--space-6);
  margin: var(--space-5) 0;
  flex-wrap: wrap;
}
.about-stat { display: flex; flex-direction: column; gap: 4px; }
.about-stat-num {
  font-family: var(--font-display);
  font-size: var(--text-3xl);
  font-weight: 800;
  color: var(--color-accent);
  line-height: 1;
  letter-spacing: var(--tracking-tight);
}
.about-stat-label {
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 0.14em;
  color: var(--color-text-secondary);
  text-transform: uppercase;
}

/* ── Testimonios ───────────────────────────────────────────────────── */
.testimonios-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-4);
}
.testimonio-card {
  background: var(--color-bg-surface);
  border: 1px solid var(--color-bg-border);
  border-top: 3px solid var(--color-accent);
  padding: var(--space-5);
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}
.testimonio-card p {
  font-size: 15px;
  line-height: 1.7;
  color: var(--color-text-secondary);
  font-style: italic;
  flex: 1;
}
.testimonio-footer { display: flex; flex-direction: column; gap: 4px; }
.testimonio-name { font-size: 14px; font-weight: 600; color: var(--color-text-primary); font-style: normal; }
.testimonio-role { font-size: 10px; letter-spacing: 0.1em; color: var(--color-text-secondary); }

/* ── FAQ ───────────────────────────────────────────────────────────── */
.faq-list { display: flex; flex-direction: column; }
.faq-item {
  border-bottom: 1px solid var(--color-bg-border);
}
.faq-item:first-child { border-top: 1px solid var(--color-bg-border); }
.faq-question {
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-4) 0;
  font-size: 15px;
  font-weight: 600;
  color: var(--color-text-primary);
  cursor: pointer;
  gap: var(--space-4);
  user-select: none;
  transition: color var(--transition-fast);
}
.faq-question::-webkit-details-marker { display: none; }
.faq-question::after {
  content: '+';
  font-family: var(--font-mono);
  font-size: 18px;
  color: var(--color-accent);
  flex-shrink: 0;
  transition: transform var(--transition-base);
}
.faq-item[open] .faq-question { color: var(--color-accent); }
.faq-item[open] .faq-question::after { transform: rotate(45deg); }
.faq-answer {
  padding-bottom: var(--space-4);
  font-size: 14px;
  line-height: 1.75;
  color: var(--color-text-secondary);
  max-width: 680px;
}

/* ── Formulario de contacto ────────────────────────────────────────── */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: var(--space-8);
  align-items: start;
}
.contact-intro { display: flex; flex-direction: column; gap: var(--space-3); }
.contact-intro .mono { font-size: 10px; letter-spacing: 0.16em; }
.contact-intro h2 { margin-top: var(--space-2); }
.contact-email {
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--color-text-secondary);
  text-decoration: none;
  margin-top: var(--space-2);
  transition: color var(--transition-fast);
}
.contact-email:hover { color: var(--color-accent); }
.contact-form { display: flex; flex-direction: column; gap: var(--space-3); }
.contact-row { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-3); }
.contact-input {
  width: 100%;
  background: var(--color-bg-surface);
  border: 1px solid var(--color-bg-border);
  color: var(--color-text-primary);
  font-family: var(--font-body);
  font-size: 14px;
  padding: 12px 16px;
  outline: none;
  transition: border-color var(--transition-fast);
  appearance: none;
}
.contact-input:focus { border-color: var(--color-accent); }
.contact-input::placeholder { color: var(--color-text-secondary); opacity: 0.5; }
.contact-select { cursor: pointer; }
.contact-select option { background: var(--color-bg-surface); }
.contact-textarea { resize: vertical; min-height: 110px; font-family: var(--font-body); }
.contact-btn { width: 100%; justify-content: center; }

@media (max-width: 760px) {
  .contact-grid { grid-template-columns: 1fr; gap: var(--space-5); }
  .contact-row { grid-template-columns: 1fr; }
}

/* ── WA/Chat overlap fix on mobile ────────────────────────────────── */
@media (max-width: 640px) {
  .wa-fab { bottom: 96px; }
}

@media (max-width: 640px) {
  .nav-links { display: none; }
  .nav-hamburger { display: flex; }

  .services-grid { grid-template-columns: 1fr; }

  .hero-ctas { flex-direction: column; }
  .btn-primary,
  .btn-secondary { text-align: center; }

  .footer-top {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-4);
  }

  .footer-bottom {
    flex-direction: column;
    align-items: flex-start;
  }

  .hero-tags-preview { gap: var(--space-3); }

  .service-card { padding: var(--space-4); }
}

/* ── Pantallas grandes (1440p / 2K) ───────────────────────────────── */
@media (min-width: 1440px) {
  .section { padding: var(--space-16) 0; }

  .hero-sub {
    font-size: var(--text-xl);
    max-width: 60ch;
  }

  .services-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

@media (min-width: 1920px) {
  .section { padding: var(--space-24) 0; }

  html { font-size: 18px; }

  .section-header { margin-bottom: var(--space-12); }

  .nav {
    padding: var(--space-3) var(--space-8);
  }
}