/* ============================================
   HablaNova Kids — Landing premium (2026)
   Mobile-first · Un solo archivo de estilos
   ============================================ */

:root {
  /* Marca (alineado al sitio previo) */
  --color-primary: #2f78b7;
  --color-primary-dark: #1e5a8a;
  --color-accent: #f7a27e;
  --color-accent-2: #f2c14e;
  --color-cream: #f7f3e9;
  --color-surface: #ffffff;
  --color-ink: #0f172a;
  --color-muted: #475569;
  --color-line: rgba(15, 23, 42, 0.08);
  --shadow-sm: 0 4px 14px rgba(15, 23, 42, 0.06);
  --shadow-md: 0 12px 40px rgba(15, 23, 42, 0.1);
  --shadow-lg: 0 24px 60px rgba(47, 120, 183, 0.12);
  --radius-sm: 12px;
  --radius-md: 18px;
  --radius-lg: 26px;
  --radius-full: 9999px;
  --max-w: 1140px;
  --font-sans: "Plus Jakarta Sans", system-ui, -apple-system, sans-serif;
  --header-h: 72px;
  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  .reveal,
  .reveal-delay,
  .float-wa {
    transition: none !important;
    animation: none !important;
  }
}

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--color-ink);
  background: linear-gradient(180deg, #f7f3e9 0%, #fdfaf3 36%, #f7f3e9 100%);
  -webkit-font-smoothing: antialiased;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: var(--color-primary);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

:focus-visible {
  outline: 3px solid var(--color-accent-2);
  outline-offset: 2px;
}

.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--color-ink);
  color: #fff;
  padding: 0.75rem 1rem;
  z-index: 10000;
  border-radius: var(--radius-sm);
}

.skip-link:focus {
  left: 0.5rem;
  top: 0.5rem;
}

.container {
  width: min(100% - 2rem, var(--max-w));
  margin-inline: auto;
}

/* ---------- Header ---------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(247, 243, 233, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-line);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: var(--header-h);
  padding-block: 0.5rem;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  color: inherit;
}

.brand:hover {
  text-decoration: none;
}

.brand-logo {
  width: 44px;
  height: 44px;
  object-fit: contain;
  border-radius: var(--radius-sm);
}

.brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.15;
}

.brand-text strong {
  font-size: 1.05rem;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.brand-text span {
  font-size: 0.75rem;
  color: var(--color-muted);
  font-weight: 500;
}

.nav-desktop {
  display: none;
  align-items: center;
  gap: 1.5rem;
}

.nav-desktop a {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--color-muted);
  text-decoration: none;
}

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

.nav-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-sm);
  background: var(--color-surface);
  cursor: pointer;
}

.nav-toggle span {
  display: block;
  width: 20px;
  height: 2px;
  background: var(--color-ink);
  position: relative;
}

.nav-toggle span::before,
.nav-toggle span::after {
  content: "";
  position: absolute;
  left: 0;
  width: 20px;
  height: 2px;
  background: var(--color-ink);
}

.nav-toggle span::before {
  top: -6px;
}

.nav-toggle span::after {
  top: 6px;
}

.nav-toggle[aria-expanded="true"] span {
  background: transparent;
}

.nav-toggle[aria-expanded="true"] span::before {
  top: 0;
  transform: rotate(45deg);
}

.nav-toggle[aria-expanded="true"] span::after {
  top: 0;
  transform: rotate(-45deg);
}

.nav-mobile {
  display: none;
  flex-direction: column;
  gap: 0.25rem;
  padding: 0 1rem 1rem;
  border-bottom: 1px solid var(--color-line);
  background: rgba(251, 248, 242, 0.98);
}

.nav-mobile.is-open {
  display: flex;
}

.nav-mobile a {
  padding: 0.65rem 0;
  font-weight: 600;
  color: var(--color-ink);
  text-decoration: none;
  border-bottom: 1px solid var(--color-line);
}

.nav-mobile a:last-child {
  border-bottom: 0;
}

@media (min-width: 900px) {
  .nav-desktop {
    display: flex;
  }
  .nav-toggle {
    display: none;
  }
  .nav-mobile {
    display: none !important;
  }
}

/* ---------- Buttons ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.85rem 1.35rem;
  font-family: inherit;
  font-size: 0.95rem;
  font-weight: 700;
  border-radius: var(--radius-full);
  border: none;
  cursor: pointer;
  text-decoration: none;
  transition: transform 0.2s var(--ease-out), box-shadow 0.2s var(--ease-out),
    background 0.2s;
}

.btn:hover {
  text-decoration: none;
  transform: translateY(-1px);
}

.btn:active {
  transform: translateY(0);
}

.btn-primary {
  background: linear-gradient(135deg, var(--color-primary), #448fcb);
  color: #fff;
  box-shadow: 0 10px 26px rgba(47, 120, 183, 0.32);
}

.btn-primary:hover {
  box-shadow: 0 12px 32px rgba(47, 120, 183, 0.45);
}

.btn-secondary {
  background: var(--color-surface);
  color: var(--color-primary);
  border: 2px solid rgba(247, 162, 126, 0.35);
  box-shadow: var(--shadow-sm);
}

.btn-ghost {
  background: transparent;
  color: var(--color-muted);
  border: 2px solid var(--color-line);
}

.btn-block {
  width: 100%;
}

.btn-sm {
  padding: 0.55rem 1rem;
  font-size: 0.85rem;
}

/* ---------- Hero ---------- */

.hero {
  position: relative;
  padding: 2.5rem 0 3.5rem;
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(
      120% 80% at 100% 0%,
      rgba(247, 162, 126, 0.24),
      transparent 55%
    ),
    radial-gradient(
      80% 60% at 0% 100%,
      rgba(47, 120, 183, 0.14),
      transparent 50%
    );
  pointer-events: none;
}

.hero-grid {
  position: relative;
  display: grid;
  gap: 2rem;
  align-items: center;
}

@media (min-width: 900px) {
  .hero {
    padding: 3.5rem 0 4rem;
  }
  .hero-grid {
    grid-template-columns: 1.05fr 0.95fr;
    gap: 3rem;
  }
}

.pill {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.35rem 0.85rem;
  background: var(--color-surface);
  border-radius: var(--radius-full);
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--color-primary-dark);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-line);
  margin-bottom: 1rem;
}

.pill-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-accent-2);
  box-shadow: 0 0 0 4px rgba(242, 193, 78, 0.25);
}

.hero h1 {
  margin: 0 0 1rem;
  font-size: clamp(1.85rem, 4vw, 2.75rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.15;
}

.hero h1 em {
  font-style: normal;
  color: var(--color-primary);
}

.hero-lead {
  margin: 0 0 1.5rem;
  font-size: 1.05rem;
  color: var(--color-muted);
  max-width: 36ch;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 1.25rem;
}

.trust-row {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  align-items: center;
  margin-top: 1.5rem;
}

.trust-badge {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.35rem;
  padding: 0.7rem 1rem;
  background: linear-gradient(145deg, #fff, #fff6ef);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-line);
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--color-primary-dark);
}

.trust-badge svg {
  flex-shrink: 0;
  color: var(--color-primary);
}

.hero-visual {
  position: relative;
}

.hero-card {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  border: 1px solid rgba(47, 120, 183, 0.14);
  overflow: hidden;
  position: relative;
}

.hero-card::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  padding: 1px;
  background: linear-gradient(
    150deg,
    rgba(47, 120, 183, 0.38),
    rgba(247, 162, 126, 0.35),
    rgba(242, 193, 78, 0.3)
  );
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  pointer-events: none;
}

.hero-card img {
  width: 100%;
  aspect-ratio: 4/3;
  object-fit: cover;
}

.hero-card-caption {
  padding: 1.1rem 1.25rem;
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
}

.hero-card-caption strong {
  display: block;
  font-size: 0.95rem;
}

.hero-card-caption span {
  font-size: 0.8rem;
  color: var(--color-muted);
}

/* ---------- Sections ---------- */

.section {
  padding: 3.5rem 0;
  position: relative;
}

.section::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: radial-gradient(
    60% 45% at 0% 0%,
    rgba(47, 120, 183, 0.04),
    transparent 70%
  );
}

.section-header {
  max-width: 640px;
  margin-bottom: 2rem;
}

.section-kicker {
  font-size: 0.8rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-primary);
  margin: 0 0 0.5rem;
}

.section h2 {
  margin: 0 0 0.75rem;
  font-size: clamp(1.6rem, 3vw, 2.1rem);
  font-weight: 800;
  letter-spacing: -0.02em;
}

.section-desc {
  margin: 0;
  color: var(--color-muted);
  font-size: 1.05rem;
  line-height: 1.7;
}

/* Problem / Solution */

.ps-grid {
  display: grid;
  gap: 1.25rem;
}

@media (min-width: 768px) {
  .ps-grid {
    grid-template-columns: 1fr 1fr;
  }
}

.ps-card {
  padding: 1.75rem;
  border-radius: var(--radius-lg);
  background: var(--color-surface);
  border: 1px solid var(--color-line);
  box-shadow: 0 12px 28px rgba(15, 23, 42, 0.08);
}

.ps-card h3 {
  margin: 0 0 1rem;
  font-size: 1.2rem;
}

.ps-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.ps-list li {
  position: relative;
  padding-left: 1.5rem;
  margin-bottom: 0.65rem;
  color: var(--color-muted);
}

.ps-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-accent);
}

.ps-card--solution {
  background: linear-gradient(
    145deg,
    rgba(47, 120, 183, 0.08),
    rgba(247, 162, 126, 0.1)
  );
  border-color: rgba(47, 120, 183, 0.15);
}

.ps-card--solution .ps-list li::before {
  background: var(--color-primary);
}

/* Benefits */

.benefits-grid {
  display: grid;
  gap: 1.25rem;
}

@media (min-width: 600px) {
  .benefits-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 900px) {
  .benefits-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

.benefit-card {
  padding: 1.5rem;
  background: var(--color-surface);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-line);
  box-shadow: 0 12px 30px rgba(15, 23, 42, 0.08);
  transition: transform 0.25s var(--ease-out), box-shadow 0.25s;
}

.benefit-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 18px 34px rgba(47, 120, 183, 0.18);
}

.benefit-icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  background: linear-gradient(
    145deg,
    rgba(47, 120, 183, 0.14),
    rgba(247, 162, 126, 0.16)
  );
  color: var(--color-primary);
  margin-bottom: 1rem;
}

.benefit-card h3 {
  margin: 0 0 0.5rem;
  font-size: 1.05rem;
}

.benefit-card p {
  margin: 0;
  font-size: 0.92rem;
  color: var(--color-muted);
}

/* Testimonials */

.testimonials-grid {
  display: grid;
  gap: 1.25rem;
}

@media (min-width: 768px) {
  .testimonials-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.testimonial {
  padding: 1.5rem;
  background: var(--color-surface);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-line);
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.testimonial-stars {
  color: var(--color-primary);
  font-size: 0.92rem;
  letter-spacing: 0.02em;
  font-weight: 800;
  text-transform: uppercase;
}

.testimonial p {
  margin: 0;
  font-size: 0.95rem;
  color: var(--color-muted);
  flex: 1;
}

.testimonial footer {
  font-size: 0.85rem;
}

.testimonial footer strong {
  display: block;
  color: var(--color-ink);
}

.testimonial footer span {
  color: var(--color-muted);
  font-size: 0.8rem;
}

/* Method timeline */

.method-wrap {
  display: grid;
  gap: 1rem;
}

@media (min-width: 768px) {
  .method-wrap {
    grid-template-columns: repeat(4, 1fr);
    gap: 1.25rem;
  }
}

.method-step {
  position: relative;
  padding: 1.5rem 1.25rem;
  background: var(--color-surface);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-line);
  box-shadow: var(--shadow-sm);
}

.method-step::before {
  content: attr(data-step);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2rem;
  height: 2rem;
  border-radius: 50%;
  background: var(--color-primary);
  color: #fff;
  font-weight: 800;
  font-size: 0.85rem;
  margin-bottom: 0.75rem;
}

.method-step h3 {
  margin: 0 0 0.5rem;
  font-size: 1rem;
}

.method-step p {
  margin: 0;
  font-size: 0.88rem;
  color: var(--color-muted);
}

/* Premium */

.premium-grid {
  display: grid;
  gap: 1.25rem;
}

@media (min-width: 768px) {
  .premium-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.premium-card {
  padding: 1.75rem;
  border-radius: var(--radius-lg);
  background: linear-gradient(180deg, #fff 0%, #fefaf2 100%);
  border: 1px solid rgba(242, 193, 78, 0.28);
  box-shadow: 0 16px 34px rgba(15, 23, 42, 0.09);
  transition: transform 0.25s var(--ease-out), box-shadow 0.25s var(--ease-out);
}

.premium-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 20px 42px rgba(47, 120, 183, 0.16);
}

.premium-card h3 {
  margin: 0 0 0.75rem;
  font-size: 1.1rem;
}

.premium-card p {
  margin: 0;
  font-size: 0.92rem;
  color: var(--color-muted);
}

/* CTA band */

.cta-band {
  padding: 3rem 0;
}

.cta-inner {
  padding: 2.25rem 1.75rem;
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, var(--color-primary), #2468a8 58%, #f7a27e 180%);
  color: #fff;
  text-align: center;
  box-shadow: var(--shadow-lg);
  position: relative;
  overflow: hidden;
}

.cta-inner::after {
  content: "";
  position: absolute;
  width: 280px;
  height: 280px;
  right: -80px;
  top: -80px;
  background: rgba(255, 255, 255, 0.08);
  border-radius: 50%;
  pointer-events: none;
}

.cta-inner h2 {
  margin: 0 0 0.5rem;
  font-size: clamp(1.5rem, 3vw, 2rem);
  position: relative;
}

.cta-inner > p {
  margin: 0 auto 1.25rem;
  max-width: 520px;
  opacity: 0.95;
  position: relative;
}

.cta-inner .btn-primary {
  background: #fff;
  color: var(--color-primary-dark);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
  position: relative;
}

.cta-inner .btn-primary:hover {
  background: var(--color-cream);
}

.cta-urgency {
  margin-top: 1rem;
  font-size: 0.9rem;
  font-weight: 700;
  opacity: 1;
  position: relative;
  color: #fff6cc;
}

/* Form */

.form-section {
  background: var(--color-surface);
}

.form-card {
  max-width: 560px;
  margin-inline: auto;
  padding: 2rem 1.5rem;
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-line);
  box-shadow: 0 18px 44px rgba(15, 23, 42, 0.12);
  background: linear-gradient(180deg, #ffffff 0%, #fff9ef 100%);
}

.form-card h2 {
  margin: 0 0 0.5rem;
  text-align: center;
}

.form-card > .section-desc {
  text-align: center;
  margin-bottom: 1.5rem;
}

.form-group {
  margin-bottom: 1rem;
}

.form-group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 700;
  margin-bottom: 0.35rem;
}

.form-group input {
  width: 100%;
  padding: 0.85rem 1rem;
  font-family: inherit;
  font-size: 1rem;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-sm);
  background: #fffefb;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.form-group input:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(47, 120, 183, 0.15);
  background: #fff;
}

.form-error {
  font-size: 0.8rem;
  color: #b91c1c;
  margin-top: 0.25rem;
  display: none;
}

.form-group.is-invalid input {
  border-color: #dc2626;
}

.form-group.is-invalid .form-error {
  display: block;
}

.form-success {
  display: none;
  text-align: center;
  padding: 2rem 1rem;
}

.form-success.is-visible {
  display: block;
}

.form-success svg {
  margin: 0 auto 1rem;
  color: #16a34a;
}

.form-success h3 {
  margin: 0 0 0.5rem;
}

.form-success p {
  margin: 0;
  color: var(--color-muted);
}

/* FAQ */

.faq-list {
  max-width: 720px;
  margin-inline: auto;
}

.faq-item {
  border-bottom: 1px solid rgba(47, 120, 183, 0.15);
}

.faq-item summary {
  list-style: none;
  cursor: pointer;
  padding: 1.15rem 0;
  font-weight: 700;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item summary .faq-icon {
  font-size: 1.25rem;
  font-weight: 400;
  color: var(--color-primary);
  transition: transform 0.2s;
}

.faq-item[open] summary .faq-icon {
  transform: rotate(45deg);
}

.faq-answer {
  padding: 0 0 1.15rem;
  color: var(--color-muted);
  font-size: 0.95rem;
}

/* Footer */

.site-footer {
  background: var(--color-ink);
  color: #e2e8f0;
  padding: 3rem 0 2rem;
}

.footer-grid {
  display: grid;
  gap: 2rem;
}

@media (min-width: 768px) {
  .footer-grid {
    grid-template-columns: 1.2fr 1fr 1.2fr;
  }
}

.site-footer h3,
.site-footer h4 {
  color: #fff;
  margin: 0 0 0.75rem;
  font-size: 1rem;
}

.site-footer p {
  margin: 0 0 0.5rem;
  font-size: 0.9rem;
  color: #94a3b8;
}

.footer-social {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1rem;
}

.footer-social a {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.45rem 0.85rem;
  background: rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  font-weight: 600;
  color: #fff;
  text-decoration: none;
}

.footer-social a:hover {
  background: rgba(255, 255, 255, 0.14);
  text-decoration: none;
}

.footer-social svg {
  width: 18px;
  height: 18px;
}

.map-wrap {
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.12);
  margin-top: 0.5rem;
}

.map-wrap iframe {
  display: block;
  width: 100%;
  height: 200px;
  border: 0;
  filter: grayscale(20%);
}

.footer-bottom {
  margin-top: 2rem;
  padding-top: 1.5rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  justify-content: space-between;
  font-size: 0.8rem;
  color: #64748b;
}

/* Floating WhatsApp */

.float-wa {
  position: fixed;
  right: 1rem;
  bottom: 1rem;
  z-index: 999;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 0.35rem;
}

.float-wa-label {
  font-size: 0.75rem;
  font-weight: 700;
  background: var(--color-surface);
  padding: 0.35rem 0.65rem;
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-md);
  color: var(--color-ink);
  max-width: 140px;
  text-align: center;
  line-height: 1.3;
}

.float-wa-btn {
  width: 58px;
  height: 58px;
  border-radius: 50%;
  background: #25d366;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 8px 28px rgba(37, 211, 102, 0.45);
  transition: transform 0.2s var(--ease-out);
}

.float-wa-btn:hover {
  transform: scale(1.06);
  text-decoration: none;
}

.float-wa-btn svg {
  width: 30px;
  height: 30px;
  fill: #fff;
}

@media (min-width: 900px) {
  .float-wa {
    right: 1.5rem;
    bottom: 1.5rem;
  }
}

/* Reveal on scroll */

.reveal,
.reveal-delay {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 0.65s var(--ease-out), transform 0.65s var(--ease-out);
}

.reveal.is-visible,
.reveal-delay.is-visible {
  opacity: 1;
  transform: none;
}

.reveal-delay {
  transition-delay: 0.08s;
}