/**
 * Zoltraak Landing - Estilos principales
 * Paleta: navy #1a2d48, gold #d8b05e, cyan #00c0ff
 * Mobile-First, variables desde theme.json aplicadas en build o inline
 */

:root {
  --color-primary: #1a2d48;
  --color-primary-light: #2a3d5c;
  --color-accent-gold: #d8b05e;
  --color-accent-gold-light: #e8c97a;
  --color-accent-cyan: #00c0ff;
  --color-accent-cyan-dim: #0099cc;
  --color-bg-light: #f5f6f8;
  --color-bg-white: #ffffff;
  --color-text-primary: #1a2d48;
  --color-text-secondary: #4a5568;
  --color-text-muted: #718096;
  --color-border: #e2e8f0;
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-display: 'Inter', var(--font-sans);
  --font-brand: 'Inter', var(--font-sans);
  --max-width: 1200px;
  --section-padding-y: 4rem;
  --section-padding-x: 1.25rem;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 5rem;
  scroll-snap-type: y mandatory;
}

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--color-text-primary);
  background-color: var(--color-bg-white);
  -webkit-font-smoothing: antialiased;
}

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

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

a:hover {
  color: var(--color-accent-cyan-dim);
}

/* ----- Navegación ----- */
/* Navbar transparente al inicio, sólida al hacer scroll (estilo SpaceX) */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 1rem var(--section-padding-x);
  background: var(--color-primary);
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.15);
}

.nav-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-brand {
  font-family: var(--font-brand);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-bg-white);
  text-decoration: none;
  letter-spacing: 0.02em;
  transition: color 0.2s ease;
}

.nav-brand:hover {
  color: var(--color-accent-gold);
}

.nav-links {
  display: none;
  list-style: none;
  margin: 0;
  padding: 0;
  gap: 1.5rem;
}

.nav-links a {
  color: var(--color-bg-white);
  font-weight: 500;
  transition: color 0.2s ease;
}

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

.nav-toggle {
  display: none;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  background: transparent;
  border: 1px solid var(--color-accent-gold);
  color: var(--color-accent-gold);
  padding: 0.5rem 0.75rem;
  border-radius: 6px;
  cursor: pointer;
  font-size: 0.875rem;
}

.nav-toggle:hover {
  background: rgba(216, 176, 94, 0.15);
}

.nav-toggle-icon {
  display: block;
  width: 1.25rem;
  height: 0.875rem;
  position: relative;
}

.nav-toggle-icon::before,
.nav-toggle-icon::after {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  height: 2px;
  background: currentColor;
  border-radius: 1px;
}

.nav-toggle-icon::before {
  top: 0;
}

.nav-toggle-icon::after {
  bottom: 0;
}

.nav-toggle-icon {
  box-shadow: 0 0.35em 0 currentColor;
}

/* ----- Selector de idioma flotante ----- */
.lang-float {
  position: fixed;
  bottom: 1.25rem;
  right: 1.25rem;
  z-index: 999;
  display: flex;
  gap: 0;
  align-items: center;
  border-radius: 8px;
  box-shadow: 0 4px 16px rgba(26, 45, 72, 0.25);
  background: var(--color-primary);
  border: 1px solid rgba(216, 176, 94, 0.4);
}

.lang-float .lang-btn {
  padding: 0.5rem 0.75rem;
  font-size: 0.85rem;
  font-weight: 600;
  background: transparent;
  border: none;
  border-right: 1px solid rgba(255, 255, 255, 0.2);
  color: rgba(255, 255, 255, 0.85);
  cursor: pointer;
  transition: color 0.2s ease, background 0.2s ease;
}

.lang-float .lang-btn:last-child {
  border-right: none;
  border-radius: 0 8px 8px 0;
}

.lang-float .lang-btn:first-child {
  border-radius: 8px 0 0 8px;
}

.lang-float .lang-btn:hover {
  color: var(--color-bg-white);
  background: rgba(255, 255, 255, 0.1);
}

.lang-float .lang-btn.lang-active {
  background: var(--color-accent-gold);
  color: var(--color-primary);
}

.lang-float .lang-btn.lang-active:hover {
  background: var(--color-accent-gold-light);
  color: var(--color-primary);
}

@media (max-width: 767px) {
  .nav-inner {
    flex-wrap: wrap;
    align-items: center;
    gap: 0;
  }

  .nav-toggle {
    display: flex;
    margin-left: auto;
  }

  .nav-toggle-text {
    display: none;
  }

  .nav-wrap {
    width: 100%;
    order: 3;
    flex: 1 1 100%;
  }

  .nav-links {
    display: none;
    flex-direction: column;
    width: 100%;
    margin: 0;
    padding: 0.75rem 0 0;
    border-top: 1px solid rgba(255, 255, 255, 0.2);
    gap: 0;
  }

  .nav-links.nav-links-open {
    display: flex;
  }

  .nav-links li {
    list-style: none;
    margin: 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  }

  .nav-links a {
    display: block;
    padding: 0.75rem 0;
    color: var(--color-bg-white);
  }
}

/* ----- Hero ----- */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 6rem var(--section-padding-x) 4rem;
  background: linear-gradient(160deg, var(--color-primary) 0%, var(--color-primary-light) 50%, #1a2d48 100%);
  position: relative;
  overflow: hidden;
  scroll-snap-align: start;
  scroll-snap-stop: always;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(
      ellipse 80% 50% at 50% 20%,
      rgba(0, 192, 255, 0.08) 0%,
      transparent 50%
    ),
    linear-gradient(180deg, rgba(26, 45, 72, 0.5) 0%, rgba(26, 45, 72, 0.75) 100%);
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 720px;
}

.hero-badge {
  display: inline-block;
  padding: 0.35rem 0.85rem;
  background: rgba(26, 45, 72, 0.75);
  color: var(--color-accent-gold);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  border-radius: 999px;
  margin-bottom: 1.25rem;
  border: 1px solid rgba(216, 176, 94, 0.85);
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.3);
}

.hero h1 {
  font-size: clamp(1.75rem, 5vw, 2.75rem);
  font-weight: 700;
  color: var(--color-bg-white);
  margin: 0 0 1rem;
  line-height: 1.2;
}

.hero-subtitle {
  font-size: clamp(1rem, 2.5vw, 1.15rem);
  color: rgba(255, 255, 255, 0.88);
  margin: 0 0 2rem;
  max-width: 560px;
  margin-left: auto;
  margin-right: auto;
}

.hero-ctas {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  justify-content: center;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.85rem 1.75rem;
  font-size: 1rem;
  font-weight: 600;
  border-radius: 8px;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.2s ease;
  border: none;
}

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

.btn-primary {
  background: var(--color-accent-gold);
  color: var(--color-primary);
}

.btn-primary:hover {
  background: var(--color-accent-gold-light);
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(216, 176, 94, 0.35);
}

.btn-secondary {
  background: transparent;
  color: var(--color-bg-white);
  border: 2px solid rgba(255, 255, 255, 0.6);
}

.btn-secondary:hover {
  border-color: var(--color-bg-white);
  color: var(--color-bg-white);
  transform: translateY(-1px);
}

/* ----- Secciones genéricas ----- */
.section {
  padding: var(--section-padding-y) var(--section-padding-x);
  max-width: var(--max-width);
  margin: 0 auto;
}

/* Todas las secciones: 100% ancho, min 100vh y scroll snap (sección a sección) */
main > section.section {
  width: 100%;
  max-width: none;
  min-height: 100vh;
  padding-left: 0;
  padding-right: 0;
  display: flex;
  align-items: center;
  scroll-snap-align: start;
  scroll-snap-stop: always;
}

main > section.section > .section {
  width: 100%;
  max-width: var(--max-width);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--section-padding-x);
  padding-right: var(--section-padding-x);
  padding-top: var(--section-padding-y);
  padding-bottom: var(--section-padding-y);
}

.section-alt {
  background-color: var(--color-bg-light);
}

/* Secciones con fondo azul (navy), mismo tono que Sentinel */
.section-navy {
  background: linear-gradient(180deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
  color: var(--color-bg-white);
}

.section-navy .section-title,
.section-navy .section-subtitle {
  color: rgba(255, 255, 255, 0.95);
}

.section-navy .section-subtitle {
  color: rgba(255, 255, 255, 0.8);
}

.section-navy .testimonials-placeholder {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.25);
  color: rgba(255, 255, 255, 0.9);
}

.section-title {
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 700;
  color: var(--color-primary);
  margin: 0 0 0.5rem;
}

.section-subtitle {
  font-size: 1rem;
  color: var(--color-text-secondary);
  margin: 0 0 2rem;
}

/* ----- Sobre Nosotros ----- */
.about .section-title {
  margin-bottom: 1rem;
}

.about-text {
  color: var(--color-text-secondary);
  margin: 0 0 1rem;
  max-width: 68ch;
}

/* ----- Misión y Visión ----- */
.mission-grid {
  display: grid;
  gap: 2rem;
  margin-top: 1.5rem;
}

.mission-card {
  padding: 1.5rem;
  background: var(--color-bg-white);
  border-radius: 12px;
  border-left: 4px solid var(--color-accent-gold);
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.mission-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
}

.mission-card h3 {
  font-size: 1.15rem;
  color: var(--color-primary);
  margin: 0 0 0.5rem;
}

.mission-card p {
  margin: 0;
  color: var(--color-text-secondary);
  font-size: 0.95rem;
}

/* ----- Zoltraak Sentinel ----- */
.sentinel {
  background: linear-gradient(180deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
  color: var(--color-bg-white);
}

.sentinel .section-title,
.sentinel .section-subtitle {
  color: rgba(255, 255, 255, 0.95);
}

.sentinel .section-subtitle {
  color: rgba(255, 255, 255, 0.8);
}

.sentinel-desc {
  color: rgba(255, 255, 255, 0.9);
  margin: 0 0 2rem;
  max-width: 60ch;
}

.features {
  display: grid;
  gap: 1.5rem;
  margin-bottom: 2rem;
}

.feature-card {
  padding: 1.25rem 1.5rem;
  background: rgba(255, 255, 255, 0.08);
  border-radius: 12px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  transition: background 0.2s ease, border-color 0.2s ease;
}

.feature-card:hover {
  background: rgba(255, 255, 255, 0.12);
  border-color: rgba(216, 176, 94, 0.4);
}

.feature-card h3 {
  font-size: 1.1rem;
  color: var(--color-accent-gold);
  margin: 0 0 0.5rem;
}

.feature-card p {
  margin: 0;
  font-size: 0.95rem;
  color: rgba(255, 255, 255, 0.85);
}

.sentinel .btn-primary {
  background: var(--color-accent-gold);
  color: var(--color-primary);
}

/* ----- Servicios ----- */
.services-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 1rem;
}

.services-list li {
  padding: 1rem 1.25rem;
  background: var(--color-bg-white);
  border-radius: 8px;
  border: 1px solid var(--color-border);
  font-weight: 500;
  color: var(--color-text-primary);
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.services-list li:hover {
  border-color: var(--color-accent-cyan);
  box-shadow: 0 4px 12px rgba(0, 192, 255, 0.08);
}

/* ----- Etapas ----- */
.stages-grid {
  display: grid;
  gap: 1.5rem;
  margin-top: 1.5rem;
}

.stage-card {
  padding: 1.5rem;
  background: var(--color-bg-white);
  border-radius: 12px;
  text-align: center;
  border: 1px solid var(--color-border);
  transition: border-color 0.2s ease, transform 0.2s ease;
}

.stage-card:hover {
  border-color: var(--color-accent-gold);
  transform: translateY(-2px);
}

.stage-card h3 {
  font-size: 1.15rem;
  color: var(--color-primary);
  margin: 0 0 0.5rem;
}

.stage-card p {
  margin: 0;
  color: var(--color-text-secondary);
  font-size: 0.95rem;
}

/* ----- Testimonios ----- */
.testimonials-placeholder {
  padding: 2rem;
  background: var(--color-bg-white);
  border: 2px dashed var(--color-border);
  border-radius: 12px;
  text-align: center;
  color: var(--color-text-muted);
  font-style: italic;
}

/* ----- Contacto ----- */
.contact-wrap {
  display: grid;
  gap: 2.5rem;
  margin-top: 1.5rem;
}

.contact-form {
  max-width: 100%;
}

.form-group {
  margin-bottom: 1.25rem;
}

.form-radio-group fieldset {
  border: none;
  padding: 0;
  margin: 0;
}

.form-radio-group legend {
  font-weight: 500;
  color: var(--color-text-primary);
  margin-bottom: 0.5rem;
  font-size: 0.9rem;
}

.radio-label {
  display: inline-flex;
  align-items: center;
  margin-right: 1.25rem;
  margin-bottom: 0.5rem;
  cursor: pointer;
  font-weight: 400;
  color: var(--color-text-secondary);
}

.radio-label input {
  width: auto;
  margin-right: 0.5rem;
}

.contact-info {
  background: var(--color-bg-white);
  border-radius: 12px;
  padding: 1.75rem;
  border: 1px solid var(--color-border);
}

.section-alt .contact-info {
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
}

.contact-info-title {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--color-primary);
  margin: 0 0 0.75rem;
}

.contact-info-title:not(:first-child) {
  margin-top: 1.5rem;
}

.contact-info-item {
  margin: 0 0 0.5rem;
}

.contact-info-item a,
.contact-info-social a {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.contact-icon {
  flex-shrink: 0;
  width: 1.25rem;
  height: 1.25rem;
  color: inherit;
}

.contact-info-item a {
  color: var(--color-accent-cyan);
}

.contact-info-item a:hover {
  color: var(--color-accent-cyan-dim);
  text-decoration: underline;
}

.contact-whatsapp {
  font-weight: 500;
}

.contact-info-social {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

.contact-info-social a {
  color: var(--color-accent-cyan);
  font-weight: 500;
}

.contact-info-social .contact-icon {
  width: 1.25rem;
  height: 1.25rem;
}

.contact-info-social a:hover {
  color: var(--color-accent-cyan-dim);
}

@media (min-width: 768px) {
  .contact-wrap {
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: start;
  }
}

.form-group label {
  display: block;
  font-weight: 500;
  color: var(--color-text-primary);
  margin-bottom: 0.4rem;
  font-size: 0.9rem;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 0.75rem 1rem;
  font-family: var(--font-sans);
  font-size: 1rem;
  border: 1px solid var(--color-border);
  border-radius: 8px;
  background: var(--color-bg-white);
  color: var(--color-text-primary);
  transition: border-color 0.2s ease;
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-accent-cyan);
  box-shadow: 0 0 0 3px rgba(0, 192, 255, 0.15);
}

.form-group textarea {
  min-height: 120px;
  resize: vertical;
}

.form-feedback {
  padding: 0.75rem 1rem;
  border-radius: 8px;
  margin-bottom: 1rem;
  font-size: 0.9rem;
  display: none;
}

.form-feedback.success {
  display: block;
  background: #e8f5e9;
  color: #2e7d32;
}

.form-feedback.error {
  display: block;
  background: #ffebee;
  color: #c62828;
}

/* ----- Footer ----- */
.footer {
  background: var(--color-primary);
  color: rgba(255, 255, 255, 0.85);
  padding: 2.5rem var(--section-padding-x);
}

.footer-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  text-align: center;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1.5rem;
  margin-bottom: 1rem;
}

.footer-links a {
  color: var(--color-accent-gold);
  font-weight: 500;
}

.footer-links a:hover {
  color: var(--color-accent-gold-light);
}

.footer-social {
  display: flex;
  justify-content: center;
  gap: 1rem;
  margin-bottom: 1rem;
}

.footer-social a {
  color: rgba(255, 255, 255, 0.9);
  padding: 0.5rem;
  transition: color 0.2s ease;
}

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

.footer-copy {
  font-size: 0.875rem;
  color: rgba(255, 255, 255, 0.7);
  margin: 0;
}

/* ----- Utilidades ----- */
.hidden-for-now {
  display: none !important;
}

.contact-email-only {
  margin: 1.5rem 0 0;
  font-size: 1.15rem;
}

.contact-email-link {
  color: var(--color-accent-cyan);
  font-weight: 600;
}

.contact-email-link:hover {
  color: var(--color-accent-cyan-dim);
  text-decoration: underline;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* ----- Breakpoints: Tablet ----- */
@media (min-width: 768px) {
  :root {
    --section-padding-y: 5rem;
    --section-padding-x: 2rem;
  }

  .nav-wrap {
    display: flex;
    align-items: center;
  }

  .nav-links {
    display: flex;
  }

  .nav-toggle {
    display: none;
  }

  .mission-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .stages-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .features {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* ----- Breakpoints: Desktop ----- */
@media (min-width: 1024px) {
  :root {
    --section-padding-y: 6rem;
    --section-padding-x: 2.5rem;
  }

  .hero {
    padding: 7rem var(--section-padding-x) 5rem;
  }

  .section-title {
    font-size: 2.25rem;
  }

  .mission-grid {
    gap: 2.5rem;
    margin-top: 2rem;
  }

  .mission-card {
    padding: 2.5rem 2rem;
  }

  .mission-card h3 {
    font-size: 1.5rem;
    margin-bottom: 0.75rem;
  }

  .mission-card p {
    font-size: 1.1rem;
    line-height: 1.65;
  }
}

/* ----- Animaciones sutiles ----- */
@media (prefers-reduced-motion: no-preference) {
  .feature-card,
  .mission-card,
  .stage-card {
    will-change: transform;
  }
}