/* ═══════════════════════════════════════════════════════════════
   CubicApp Landing — Page-specific Styles
   Nav, Hero, CTA, Footer, secciones especiales
   ═══════════════════════════════════════════════════════════════ */

/* ── Nav ── */
.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--nav-height);
  background: rgba(250, 250, 248, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-neutral-200);
  transition: box-shadow var(--transition);
}

.nav.scrolled {
  box-shadow: var(--shadow-sm);
}

.nav__inner {
  max-width: var(--max-width-lg);
  margin: 0 auto;
  padding: 0 var(--space-6);
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav__logo {
  height: 32px;
  width: auto;
}

.nav__links {
  display: flex;
  align-items: center;
  gap: var(--space-8);
  list-style: none;
}

.nav__link {
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  color: var(--color-neutral-600);
  transition: color var(--transition);
}

.nav__link:hover {
  color: var(--color-accent-800);
}

.nav__badge {
  display: none;
}

.nav__cta {
  margin-left: var(--space-4);
}

.nav__hamburger {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-2);
  color: var(--color-neutral-700);
}

.nav__hamburger svg {
  width: 24px;
  height: 24px;
  stroke: currentColor;
  stroke-width: 1.75;
  fill: none;
}

/* Mobile nav */
.nav__mobile-menu {
  display: none;
  position: fixed;
  top: var(--nav-height);
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--color-white);
  z-index: 99;
  padding: var(--space-6);
  flex-direction: column;
  gap: var(--space-4);
}

.nav__mobile-menu.open {
  display: flex;
}

.nav__mobile-link {
  font-size: var(--text-lg);
  font-weight: var(--font-medium);
  color: var(--color-neutral-700);
  padding: var(--space-3) 0;
  border-bottom: 1px solid var(--color-neutral-100);
}

@media (min-width: 1024px) {
  .nav__badge {
    display: inline-flex;
    font-size: 11px;
    font-weight: var(--font-medium);
    color: var(--color-neutral-400);
    border: 1px solid var(--color-neutral-200);
    padding: 4px 10px;
    border-radius: 100px;
    white-space: nowrap;
  }
}

@media (max-width: 1023px) {
  .nav__links { display: none; }
  .nav__badge { display: none; }
  .nav__hamburger { display: block; }
}

@media (max-width: 767px) {
  .nav__inner { padding: 0 var(--space-4); }
}

/* ── Hero ── */
.hero {
  padding: var(--space-24) 0 var(--space-20);
  background: linear-gradient(168deg, var(--color-surface) 0%, var(--color-accent-50) 50%, var(--color-accent-100) 100%);
  position: relative;
  overflow: hidden;
}

.hero__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-12);
  align-items: center;
}

.hero__badge {
  margin-bottom: var(--space-4);
}

.hero__title {
  font-size: var(--text-5xl);
  line-height: 1.08;
  color: var(--color-neutral-900);
  margin-bottom: var(--space-6);
}

.hero__title em {
  font-style: normal;
  color: var(--color-accent-700);
}

.hero__subtitle {
  font-size: var(--text-lg);
  color: var(--color-neutral-500);
  line-height: 1.6;
  margin-bottom: var(--space-8);
  max-width: 520px;
}

.hero__actions {
  display: flex;
  gap: var(--space-4);
  flex-wrap: wrap;
}

.hero__illustration {
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero__illustration svg {
  width: 100%;
  max-width: 480px;
  height: auto;
}

@media (max-width: 1023px) {
  .hero { padding: var(--space-16) 0 var(--space-12); }
  .hero__inner { grid-template-columns: 1fr; }
  .hero__title { font-size: var(--text-3xl); }
  .hero__illustration { display: none; }
}

@media (max-width: 767px) {
  .hero { padding: var(--space-12) 0 var(--space-10); }
  .hero__title { font-size: var(--text-2xl); }
  .hero__subtitle { font-size: var(--text-base); }
  .hero__actions { flex-direction: column; }
  .hero__actions .btn { width: 100%; }
}

/* ── Pain section ── */
.pain {
  background: var(--color-white);
}

.pain__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
  margin-top: var(--space-10);
}

.pain__item {
  padding: var(--space-6);
  border-left: 3px solid var(--color-error);
  background: var(--color-neutral-50);
  border-radius: 0 var(--border-radius) var(--border-radius) 0;
}

.pain__item-title {
  font-size: var(--text-base);
  font-weight: var(--font-semibold);
  color: var(--color-neutral-800);
  margin-bottom: var(--space-2);
}

.pain__item-text {
  font-size: var(--text-sm);
  color: var(--color-neutral-500);
  margin-bottom: 0;
}

@media (max-width: 767px) {
  .pain__grid { grid-template-columns: 1fr; }
}

/* ── Spec section (fondo oscuro) ── */
.spec-section {
  background: var(--color-neutral-900);
  color: var(--color-white);
}

.spec-section .section-label {
  color: var(--color-accent-400);
}

.spec-section .section-title {
  color: var(--color-white);
}

.spec-section .section-subtitle {
  color: var(--color-neutral-400);
}

.spec-footer {
  margin-top: var(--space-8);
  font-size: var(--text-sm);
  color: var(--color-neutral-400);
  text-align: center;
  font-style: italic;
}

/* ── CTA final ── */
.cta-final {
  background: var(--color-accent-800);
  color: var(--color-white);
  text-align: center;
  padding: var(--space-20) 0;
}

.cta-final__title {
  font-size: var(--text-3xl);
  color: var(--color-white);
  margin-bottom: var(--space-4);
}

.cta-final__subtitle {
  font-size: var(--text-lg);
  color: rgba(255,255,255,0.7);
  margin-bottom: var(--space-8);
  max-width: 560px;
  margin-left: auto;
  margin-right: auto;
}

.cta-final__actions {
  display: flex;
  justify-content: center;
  gap: var(--space-4);
  flex-wrap: wrap;
}

@media (max-width: 767px) {
  .cta-final { padding: var(--space-12) 0; }
  .cta-final__title { font-size: var(--text-2xl); }
  .cta-final__actions { flex-direction: column; align-items: center; }
  .cta-final__actions .btn { width: 100%; max-width: 320px; }
}

/* ── Metrics section ── */
.metrics-section {
  background: var(--color-accent-50);
}

/* ── Footer ── */
.footer {
  background: var(--color-neutral-900);
  color: var(--color-neutral-400);
  padding: var(--space-12) 0 var(--space-8);
}

.footer__inner {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: var(--space-8);
}

.footer__brand {
  max-width: 280px;
}

.footer__logo {
  height: 40px;
  width: auto;
  margin-bottom: var(--space-4);
  opacity: 0.85;
  transition: opacity var(--transition);
}

.footer__brand a:hover .footer__logo {
  opacity: 1;
}

.footer__text {
  font-size: var(--text-sm);
  color: var(--color-neutral-400);
  line-height: 1.5;
  margin-bottom: var(--space-3);
}

.footer__lumnia-cta {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  color: var(--color-accent-400);
  text-decoration: none;
  transition: color var(--transition);
}

.footer__lumnia-cta:hover {
  color: var(--color-accent-300);
}

.footer__links {
  display: flex;
  gap: var(--space-8);
}

.footer__col-title {
  font-size: var(--text-sm);
  font-weight: var(--font-semibold);
  color: var(--color-neutral-200);
  margin-bottom: var(--space-3);
}

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

.footer__col-list a {
  font-size: var(--text-sm);
  color: var(--color-neutral-400);
  transition: color var(--transition);
}

.footer__col-list a:hover {
  color: var(--color-white);
}

.footer__bottom {
  margin-top: var(--space-8);
  padding-top: var(--space-6);
  border-top: 1px solid rgba(255,255,255,0.08);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: var(--text-xs);
  color: var(--color-neutral-500);
}

@media (max-width: 767px) {
  .footer__inner { flex-direction: column; gap: var(--space-8); }
  .footer__links { flex-direction: column; gap: var(--space-6); }
  .footer__bottom { flex-direction: column; gap: var(--space-2); text-align: center; }
}

/* ── Compare section overflow ── */
.compare-wrapper {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  margin-top: var(--space-8);
}

@media (max-width: 767px) {
  .compare-table { min-width: 640px; }
}