/* Inteos Landing Page - Estilos globales */

/* ============================================
   CSS Custom Properties (Design Tokens)
   ============================================ */

/*
  Breakpoints (referencia — no se pueden usar custom properties en media queries):
  - Mobile:  < 768px (diseño base, mobile-first)
  - Tablet:  >= 768px
  - Desktop: >= 1024px
  - Wide:    >= 1280px
*/

:root {
  /* --- Paleta de Colores --- */
  --color-primary: #1A56DB;
  --color-secondary: #3B82F6;
  --color-accent-1: #0D9488;
  --color-accent-2: #F59E0B;
  --color-neutral-dark: #1F2937;
  --color-neutral-medium: #6B7280;
  --color-neutral-light: #F3F4F6;
  --color-white: #FFFFFF;

  /* --- Tipografía --- */
  --font-primary: 'Inter', sans-serif;
  --font-secondary: 'Roboto', sans-serif;

  /* --- Pesos tipográficos --- */
  --fw-regular: 400;
  --fw-medium: 500;
  --fw-semibold: 600;
  --fw-bold: 700;

  /* --- Escala de Spacing --- */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;

  /* --- Border Radius --- */
  --radius-sm: 0.25rem;
  --radius-md: 0.5rem;
  --radius-lg: 1rem;
  --radius-full: 9999px;
}

/* ============================================
   Reset y Base
   ============================================ */

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

body {
  margin: 0;
  font-family: var(--font-primary);
  font-weight: var(--fw-regular);
  color: var(--color-neutral-dark);
  line-height: 1.6;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-primary);
  font-weight: var(--fw-bold);
  line-height: 1.2;
  margin-top: 0;
}

p {
  margin-top: 0;
}

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-md);
}

/* ============================================
   Botones
   ============================================ */

.btn {
  display: inline-block;
  padding: var(--space-sm) var(--space-lg);
  border-radius: var(--radius-md);
  font-family: var(--font-primary);
  font-weight: var(--fw-semibold);
  font-size: 1rem;
  text-decoration: none;
  cursor: pointer;
  border: none;
  transition: background-color 0.2s ease, transform 0.1s ease;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn-cta {
  background-color: var(--color-accent-1);
  color: var(--color-white);
}

.btn-cta:hover {
  background-color: #0b7f74;
}

.btn-secondary {
  background-color: var(--color-secondary);
  color: var(--color-white);
}

.btn-secondary:hover {
  background-color: #2563EB;
}

.btn-outline {
  background-color: transparent;
  border: 2px solid var(--color-primary);
  color: var(--color-primary);
}

.btn-outline:hover {
  background-color: var(--color-primary);
  color: var(--color-white);
}

/* ============================================
   Links
   ============================================ */

a {
  color: var(--color-primary);
  text-decoration: underline;
  transition: color 0.2s ease;
}

a:hover {
  color: var(--color-secondary);
}

/* ============================================
   Focus Styles (Keyboard Navigation)
   ============================================ */

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

/* ============================================
   Typography Enhancements
   ============================================ */

.section-subtitle {
  color: var(--color-neutral-medium);
  max-width: 640px;
  margin-left: auto;
  margin-right: auto;
  text-align: center;
  font-size: 1.0625rem;
  line-height: 1.6;
}

/* ============================================
   Utility Classes
   ============================================ */

.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;
}

/* ============================================
   Navbar
   ============================================ */

#navbar {
  position: sticky;
  top: 0;
  z-index: 1000;
  background-color: var(--color-white);
  box-shadow: 0 2px 8px rgba(31, 41, 55, 0.08);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: var(--space-md);
  padding-bottom: var(--space-md);
  position: relative;
}

.nav-logo {
  display: inline-flex;
  text-decoration: none;
}

.nav-logo img {
  display: block;
  height: 60px;
  width: auto;
}

/* Hamburger toggle button */
.nav-toggle {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  padding: var(--space-sm);
  background: none;
  border: none;
  cursor: pointer;
  border-radius: var(--radius-sm);
  transition: background-color 0.2s ease;
}

.nav-toggle:hover {
  background-color: var(--color-neutral-light);
}

.hamburger-line {
  display: block;
  width: 24px;
  height: 2px;
  background-color: var(--color-neutral-dark);
  border-radius: 2px;
  transition: transform 0.3s ease, opacity 0.3s ease;
}

/* Hamburger animation: X shape when active */
.nav-toggle--active .hamburger-line:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.nav-toggle--active .hamburger-line:nth-child(2) {
  opacity: 0;
}

.nav-toggle--active .hamburger-line:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* Navigation menu */
.nav-menu {
  list-style: none;
  margin: 0;
  padding: 0;
  display: none;
  flex-direction: column;
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background-color: var(--color-white);
  box-shadow: 0 4px 12px rgba(31, 41, 55, 0.1);
  border-radius: 0 0 var(--radius-md) var(--radius-md);
  padding: var(--space-md) 0;
  z-index: 999;
}

/* Menu open state (mobile) */
.nav-menu--open {
  display: flex;
}

.nav-menu li {
  width: 100%;
}

.nav-link {
  display: block;
  padding: var(--space-sm) var(--space-lg);
  color: var(--color-neutral-dark);
  text-decoration: none;
  font-weight: var(--fw-medium);
  font-size: 0.9375rem;
  transition: color 0.2s ease, background-color 0.2s ease;
}

.nav-link:hover {
  color: var(--color-primary);
  background-color: var(--color-neutral-light);
}

/* CTA link styled as button */
.nav-link--cta {
  color: var(--color-white);
  background-color: var(--color-accent-1);
  border-radius: var(--radius-md);
  margin: var(--space-sm) var(--space-lg);
  padding: var(--space-sm) var(--space-lg);
  text-align: center;
  font-weight: var(--fw-semibold);
}

.nav-link--cta:hover {
  background-color: #0b7f74;
  color: var(--color-white);
}

/* Desktop navbar (>= 768px) */
@media (min-width: 768px) {
  .nav-toggle {
    display: none;
  }

  .nav-menu {
    display: flex;
    flex-direction: row;
    align-items: center;
    position: static;
    box-shadow: none;
    padding: 0;
    gap: var(--space-xs);
    background-color: transparent;
    border-radius: 0;
  }

  .nav-menu li {
    width: auto;
  }

  .nav-link {
    padding: var(--space-sm) var(--space-md);
    border-radius: var(--radius-sm);
  }

  .nav-link:hover {
    background-color: var(--color-neutral-light);
  }

  .nav-link--cta {
    margin: 0;
    margin-left: var(--space-sm);
    padding: var(--space-sm) var(--space-lg);
  }
}

/* ============================================
   Sección Hero
   ============================================ */

#hero {
  background-color: var(--color-primary);
  color: var(--color-white);
  padding: var(--space-3xl) 0;
  text-align: center;
}

#hero h1 {
  font-size: 2rem;
  margin-bottom: var(--space-md);
}

.hero-subtitle {
  font-size: 1.125rem;
  opacity: 0.9;
  max-width: 640px;
  margin: 0 auto var(--space-xl);
}

.hero-cta-calendar {
  border-color: var(--color-white);
  color: var(--color-white);
  margin-left: var(--space-sm);
}

.hero-cta-calendar:hover {
  background-color: var(--color-white);
  color: var(--color-primary);
}

/* ============================================
   Sección Beneficios
   ============================================ */

#beneficios {
  padding: var(--space-3xl) 0;
  background-color: var(--color-white);
}

#beneficios h2 {
  text-align: center;
  font-size: 1.75rem;
  margin-bottom: var(--space-2xl);
  color: var(--color-neutral-dark);
}

.benefits-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-xl);
}

.benefit-card {
  text-align: center;
  padding: var(--space-lg);
  border-radius: var(--radius-lg);
  background-color: var(--color-neutral-light);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.benefit-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(26, 86, 219, 0.1);
}

.benefit-icon {
  display: block;
  margin: 0 auto var(--space-md);
  width: 48px;
  height: 48px;
}

.benefit-card h3 {
  font-size: 1.125rem;
  font-weight: var(--fw-semibold);
  margin-bottom: var(--space-sm);
  color: var(--color-primary);
}

.benefit-card p {
  font-size: 0.9375rem;
  color: var(--color-neutral-medium);
  line-height: 1.5;
  margin-bottom: 0;
}

/* ============================================
   Sección Precios
   ============================================ */

#precios {
  padding: var(--space-3xl) 0;
  background-color: var(--color-neutral-light);
}

#precios h2 {
  text-align: center;
  font-size: 1.75rem;
  margin-bottom: var(--space-2xl);
  color: var(--color-neutral-dark);
}

.pricing-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-xl);
  max-width: 800px;
  margin: 0 auto;
}

.pricing-card {
  position: relative;
  background-color: var(--color-white);
  border-radius: var(--radius-lg);
  padding: var(--space-2xl) var(--space-xl);
  text-align: center;
  border: 2px solid var(--color-neutral-light);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.pricing-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(26, 86, 219, 0.1);
}

.pricing-card--featured {
  border-color: var(--color-primary);
  box-shadow: 0 4px 16px rgba(26, 86, 219, 0.15);
}

.pricing-card--featured:hover {
  box-shadow: 0 12px 32px rgba(26, 86, 219, 0.2);
}

.pricing-badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background-color: var(--color-primary);
  color: var(--color-white);
  font-size: 0.8125rem;
  font-weight: var(--fw-semibold);
  padding: var(--space-xs) var(--space-md);
  border-radius: var(--radius-full);
}

.pricing-name {
  font-size: 1.25rem;
  font-weight: var(--fw-bold);
  color: var(--color-neutral-dark);
  margin-bottom: var(--space-sm);
}

.pricing-price {
  font-size: 1.75rem;
  font-weight: var(--fw-bold);
  color: var(--color-primary);
  margin-bottom: var(--space-lg);
}

.pricing-features {
  list-style: none;
  padding: 0;
  margin: 0 0 var(--space-xl);
  text-align: left;
}

.pricing-features li {
  position: relative;
  padding: var(--space-sm) 0 var(--space-sm) var(--space-lg);
  color: var(--color-neutral-medium);
  font-size: 0.9375rem;
  border-bottom: 1px solid var(--color-neutral-light);
}

.pricing-features li:last-child {
  border-bottom: none;
}

.pricing-features li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--color-accent-1);
  font-weight: var(--fw-bold);
}

.pricing-cta {
  width: 100%;
  text-align: center;
}

/* ============================================
   Sección Testimonios
   ============================================ */

#testimonios {
  padding: var(--space-3xl) 0;
  background-color: var(--color-white);
}

#testimonios h2 {
  text-align: center;
  font-size: 1.75rem;
  margin-bottom: var(--space-2xl);
  color: var(--color-neutral-dark);
}

.testimonials-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-xl);
}

.testimonial-card {
  background-color: var(--color-white);
  border-left: 4px solid var(--color-primary);
  border-radius: var(--radius-md);
  padding: var(--space-xl);
  box-shadow: 0 2px 8px rgba(31, 41, 55, 0.08);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.testimonial-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 16px rgba(26, 86, 219, 0.1);
}

.testimonial-card blockquote {
  margin: 0 0 var(--space-md);
  padding: 0;
}

.testimonial-card blockquote p {
  font-style: italic;
  color: var(--color-neutral-dark);
  font-size: 1rem;
  line-height: 1.6;
  margin: 0;
}

.testimonial-author {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.testimonial-author strong {
  font-weight: var(--fw-semibold);
  color: var(--color-neutral-dark);
  font-size: 0.9375rem;
}

.testimonial-author span {
  color: var(--color-neutral-medium);
  font-size: 0.875rem;
}

/* ============================================
   Sección Equipo
   ============================================ */

#equipo {
  padding: var(--space-3xl) 0;
  background-color: var(--color-neutral-light);
}

#equipo h2 {
  text-align: center;
  font-size: 1.75rem;
  margin-bottom: var(--space-2xl);
  color: var(--color-neutral-dark);
}

.team-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-xl);
  max-width: 900px;
  margin: 0 auto;
}

.team-card {
  text-align: center;
  padding: var(--space-xl);
  background-color: var(--color-white);
  border-radius: var(--radius-lg);
  border: 1px solid #E5E7EB;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.team-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(26, 86, 219, 0.1);
}

.team-avatar {
  width: 64px;
  height: 64px;
  border-radius: var(--radius-full);
  background-color: var(--color-primary);
  color: var(--color-white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-primary);
  font-weight: var(--fw-bold);
  font-size: 1.25rem;
  margin: 0 auto var(--space-md);
}

.team-card h3 {
  font-size: 1.125rem;
  font-weight: var(--fw-semibold);
  color: var(--color-neutral-dark);
  margin-bottom: var(--space-xs);
}

.team-role {
  font-size: 0.875rem;
  color: var(--color-neutral-medium);
  margin-bottom: var(--space-md);
}

.team-linkedin {
  font-size: 0.875rem;
  color: var(--color-primary);
  text-decoration: none;
  font-weight: var(--fw-medium);
}

.team-linkedin:hover {
  text-decoration: underline;
}

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

/* ============================================
   Sección FAQ
   ============================================ */

#faq {
  padding: var(--space-3xl) 0;
  background-color: var(--color-neutral-light);
}

#faq h2 {
  text-align: center;
  font-size: 1.75rem;
  margin-bottom: var(--space-2xl);
  color: var(--color-neutral-dark);
}

.faq-list {
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  background-color: var(--color-white);
  border: 1px solid #E5E7EB;
  border-radius: var(--radius-md);
  margin-bottom: var(--space-md);
  overflow: hidden;
  transition: box-shadow 0.2s ease;
}

.faq-item:hover {
  box-shadow: 0 2px 8px rgba(26, 86, 219, 0.08);
}

.faq-item summary {
  padding: var(--space-lg);
  font-weight: var(--fw-semibold);
  font-size: 1rem;
  color: var(--color-neutral-dark);
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
}

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

.faq-item summary::after {
  content: "+";
  font-size: 1.25rem;
  font-weight: var(--fw-bold);
  color: var(--color-primary);
  flex-shrink: 0;
  transition: transform 0.2s ease;
}

.faq-item[open] summary {
  border-bottom: 1px solid #E5E7EB;
  color: var(--color-primary);
}

.faq-item[open] summary::after {
  content: "−";
}

.faq-answer {
  padding: var(--space-lg);
}

.faq-answer p {
  margin: 0;
  color: var(--color-neutral-medium);
  font-size: 0.9375rem;
  line-height: 1.7;
}

/* ============================================
   Sección Contacto
   ============================================ */

#contacto {
  padding: var(--space-3xl) 0;
  background-color: var(--color-white);
}

#contacto h2 {
  text-align: center;
  font-size: 1.75rem;
  margin-bottom: var(--space-md);
  color: var(--color-neutral-dark);
}

.contact-form {
  width: 100%;
}

.form-group {
  margin-bottom: var(--space-lg);
}

.form-group label {
  display: block;
  font-weight: var(--fw-medium);
  margin-bottom: var(--space-xs);
  color: var(--color-neutral-dark);
  font-size: 0.9375rem;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: var(--space-sm) var(--space-md);
  border: 1px solid #D1D5DB;
  border-radius: var(--radius-md);
  font-family: var(--font-primary);
  font-size: 1rem;
  color: var(--color-neutral-dark);
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(26, 86, 219, 0.1);
}

.form-group textarea {
  resize: vertical;
  min-height: 100px;
}

.field-error {
  display: block;
  font-size: 0.8125rem;
  color: #DC2626;
  margin-top: var(--space-xs);
  min-height: 1.2em;
}

.btn-submit {
  width: 100%;
}

.form-status {
  margin-top: var(--space-md);
  text-align: center;
  font-size: 0.9375rem;
}

/* Error state for invalid fields */
.form-group input.field-invalid,
.form-group textarea.field-invalid {
  border-color: #DC2626;
  box-shadow: 0 0 0 3px rgba(220, 38, 38, 0.1);
}

/* Global form status messages */
.form-status--success {
  color: #059669;
  background-color: #ECFDF5;
  padding: var(--space-md);
  border-radius: var(--radius-md);
  border: 1px solid #A7F3D0;
}

.form-status--error {
  color: #DC2626;
  background-color: #FEF2F2;
  padding: var(--space-md);
  border-radius: var(--radius-md);
  border: 1px solid #FECACA;
}

/* Disabled button state during form submission */
.btn-submit:disabled,
.btn-submit[disabled] {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none;
}

/* ============================================
   Responsive: Tablet (>= 768px)
   ============================================ */

@media (min-width: 768px) {
  .container {
    padding: 0 var(--space-xl);
  }

  #hero {
    padding: var(--space-3xl) 0 var(--space-3xl);
  }

  #hero h1 {
    font-size: 2.5rem;
  }

  .hero-subtitle {
    font-size: 1.25rem;
  }

  #beneficios {
    padding: var(--space-3xl) 0;
  }

  #beneficios h2 {
    font-size: 2rem;
  }

  #precios h2 {
    font-size: 2rem;
  }

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

  #testimonios h2 {
    font-size: 2rem;
  }

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

  #faq h2 {
    font-size: 2rem;
  }

  #contacto h2 {
    font-size: 2rem;
  }

  .contact-form {
    max-width: 600px;
    margin: 0 auto;
  }

  .btn-submit {
    width: auto;
  }
}

/* ============================================
   Responsive: Desktop (>= 1024px)
   ============================================ */

@media (min-width: 1024px) {
  .container {
    padding: 0 var(--space-2xl);
  }

  #hero {
    padding: var(--space-3xl) 0 var(--space-3xl);
  }

  #hero h1 {
    font-size: 3rem;
  }

  #beneficios,
  #precios,
  #testimonios,
  #faq,
  #contacto {
    padding: var(--space-3xl) 0;
  }

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

  .benefit-card h3 {
    font-size: 1.25rem;
  }

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

/* ============================================
   Responsive: Wide (>= 1280px)
   ============================================ */

@media (min-width: 1280px) {
  .container {
    max-width: 1200px;
    padding: 0 var(--space-xl);
  }

  #hero h1 {
    font-size: 3.25rem;
  }

  #hero {
    padding: 5rem 0;
  }

  #beneficios,
  #precios,
  #testimonios,
  #faq,
  #contacto {
    padding: 5rem 0;
  }
}

/* ============================================
   Footer
   ============================================ */

#footer {
  background-color: var(--color-neutral-dark);
  color: var(--color-white);
  padding: var(--space-3xl) 0 var(--space-xl);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-2xl);
}

.footer-brand .footer-logo {
  display: block;
  margin-bottom: var(--space-md);
}

.footer-brand p {
  color: var(--color-neutral-medium);
  font-size: 0.9375rem;
  line-height: 1.6;
  margin: 0;
}

.footer-contact h4,
.footer-links h4 {
  font-size: 1rem;
  font-weight: var(--fw-semibold);
  margin-top: 0;
  margin-bottom: var(--space-md);
  color: var(--color-white);
}

.footer-contact ul,
.footer-links ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer-contact li,
.footer-links li {
  margin-bottom: var(--space-sm);
  font-size: 0.9375rem;
  color: var(--color-neutral-medium);
}

.footer-contact a,
.footer-links a {
  color: var(--color-neutral-light);
  text-decoration: none;
  transition: opacity 0.2s ease;
}

.footer-contact a:hover,
.footer-links a:hover {
  opacity: 0.75;
}

.footer-bottom {
  margin-top: var(--space-2xl);
  padding-top: var(--space-lg);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  text-align: center;
}

.footer-bottom p {
  margin: 0;
  font-size: 0.875rem;
  color: var(--color-neutral-medium);
}

/* Footer responsive: 3 columns on desktop */
@media (min-width: 768px) {
  .footer-grid {
    grid-template-columns: 2fr 1fr 1fr;
  }
}

/* ============================================
   WhatsApp Floating Action Button
   ============================================ */

.whatsapp-fab {
  position: fixed;
  bottom: var(--space-xl);
  right: var(--space-xl);
  width: 56px;
  height: 56px;
  background-color: #25D366;
  color: var(--color-white);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  box-shadow: 0 4px 12px rgba(37, 211, 102, 0.4);
  z-index: 900;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.whatsapp-fab:hover {
  transform: scale(1.1);
  box-shadow: 0 6px 20px rgba(37, 211, 102, 0.5);
  color: var(--color-white);
}