/* ===================================
   TONERAMA - Institutional Landing
   Corporate Clean Design System
   =================================== */

/* CSS Variables - Nueva Paleta Oficial */
:root {
  --color-1: #050B1E;
  --color-2: #193060;
  --color-3: #315381;
  --color-4: #859fc0;
  --color-5: #cee0f4;

  --primary: #315381;
  --primary-dark: #193060;
  --primary-deeper: #050B1E;
  --accent: #859fc0;
  --accent-light: #cee0f4;

  --text-primary: #050B1E;
  --text-secondary: #315381;
  --bg-primary: #FFFFFF;
  --bg-secondary: #f0f6fd;
  --border: #cee0f4;

  /* Spacing */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 2rem;
  --spacing-lg: 4rem;
  --spacing-xl: 6rem;

  /* Typography */
  --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

  /* Transitions */
  --transition: all 0.3s ease;
}

/* Reset & Base Styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-family);
  color: var(--text-primary);
  background-color: var(--bg-primary);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Container */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

/* Typography */
h1,
h2,
h3,
h4 {
  font-weight: 600;
  line-height: 1.2;
  color: var(--text-primary);
}

h1 {
  font-size: clamp(2rem, 5vw, 3rem);
  margin-bottom: var(--spacing-md);
}

h2 {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  margin-bottom: var(--spacing-md);
  text-align: center;
}

h3 {
  font-size: 1.25rem;
  margin-bottom: var(--spacing-sm);
}

p {
  color: var(--text-secondary);
  margin-bottom: var(--spacing-sm);
}

.section-subtitle {
  text-align: center;
  font-size: 1.125rem;
  color: var(--text-secondary);
  max-width: 700px;
  margin: 0 auto var(--spacing-lg);
}

/* Buttons */
.btn-primary,
.btn-secondary {
  display: inline-block;
  padding: 0.875rem 2rem;
  font-size: 1rem;
  font-weight: 500;
  text-decoration: none;
  border-radius: 6px;
  transition: var(--transition);
  cursor: pointer;
  border: 2px solid transparent;
  text-align: center;
}

.btn-primary {
  background-color: var(--primary-dark);
  color: white;
  border-color: var(--primary-dark);
}

.btn-primary:hover {
  background-color: var(--primary);
  border-color: var(--primary);
  transform: translateY(-2px);
}

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

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

.btn-large {
  padding: 1.125rem 2.5rem;
  font-size: 1.125rem;
}

/* Navbar */
.navbar {
  background-color: var(--bg-primary);
  border-bottom: 1px solid var(--border);
  padding: var(--spacing-sm) 0;
  position: sticky;
  top: 0;
  z-index: 1000;
  transition: var(--transition);
}

.navbar.scrolled {
  box-shadow: 0 2px 10px rgba(5, 11, 30, 0.08);
}

.nav-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--spacing-md);
}

.logo-text {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary);
  letter-spacing: -0.5px;
}

.logo-img {
  height: 50px;
  width: auto;
  display: block;
  transition: var(--transition);
}

.logo-img:hover {
  opacity: 0.8;
}

.nav-links {
  display: flex;
  gap: var(--spacing-md);
  align-items: center;
}

.nav-links a {
  color: var(--text-primary);
  text-decoration: none;
  font-weight: 500;
  transition: var(--transition);
  position: relative;
}

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

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--primary);
  transition: var(--transition);
}

.nav-links a:hover::after {
  width: 100%;
}

.mobile-menu-btn {
  display: none;
  flex-direction: column;
  gap: 4px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}

.mobile-menu-btn span {
  width: 24px;
  height: 2px;
  background-color: var(--primary);
  transition: var(--transition);
}

.mobile-menu {
  display: none;
  background-color: var(--bg-primary);
  border-bottom: 1px solid var(--border);
  padding: var(--spacing-md);
  flex-direction: column;
  gap: var(--spacing-sm);
}

.mobile-menu.active {
  display: flex;
}

.mobile-menu a {
  color: var(--text-primary);
  text-decoration: none;
  font-weight: 500;
  padding: var(--spacing-sm);
  border-radius: 6px;
  transition: var(--transition);
}

.mobile-menu a:hover {
  background-color: var(--bg-secondary);
  color: var(--primary);
}

/* Hero Section */
.hero {
  padding: var(--spacing-xl) 0;
  background: linear-gradient(135deg, #ffffff 0%, var(--accent-light) 100%);
}

.hero-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-lg);
  align-items: center;
}

.hero-text h1 {
  color: var(--primary-deeper);
  margin-bottom: var(--spacing-md);
}

.hero-subtitle {
  font-size: 1.25rem;
  color: var(--text-secondary);
  margin-bottom: var(--spacing-lg);
  line-height: 1.6;
}

.hero-ctas {
  display: flex;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-md);
  flex-wrap: wrap;
}

.whatsapp-contact {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm);
  background-color: #F0FDF4;
  border-radius: 8px;
  border: 1px solid #BBF7D0;
  width: fit-content;
}

.whatsapp-contact span {
  color: var(--text-secondary);
  font-size: 0.95rem;
}

.whatsapp-contact strong {
  color: #25D366;
  font-weight: 600;
}

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

.hero-img {
  width: 100%;
  max-width: 520px;
  height: auto;
  border-radius: 16px;
  object-fit: cover;
  box-shadow: 0 12px 40px rgba(5, 11, 30, 0.15);
  transition: var(--transition);
}

.hero-img:hover {
  transform: translateY(-6px);
  box-shadow: 0 20px 50px rgba(5, 11, 30, 0.2);
}

.image-placeholder,
.institutional-placeholder {
  background-color: var(--bg-secondary);
  border: 2px solid var(--border);
  border-radius: 12px;
  padding: var(--spacing-lg);
  display: flex;
  justify-content: center;
  align-items: center;
}

/* ===================================
   Stats / Trayectoria Section
   =================================== */
.stats-section {
  background: linear-gradient(135deg, var(--primary-deeper) 0%, var(--primary-dark) 100%);
  padding: var(--spacing-lg) 0;
}

.stats-grid {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0;
  flex-wrap: wrap;
}

.stat-item {
  flex: 1;
  min-width: 200px;
  text-align: center;
  padding: var(--spacing-md) var(--spacing-lg);
}

.stat-number {
  font-size: clamp(2.5rem, 5vw, 3.5rem);
  font-weight: 700;
  color: var(--accent-light);
  line-height: 1;
  margin-bottom: 0.5rem;
  letter-spacing: -1px;
}

.stat-label {
  font-size: 1rem;
  color: var(--accent);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.stat-divider {
  width: 1px;
  height: 60px;
  background-color: rgba(206, 224, 244, 0.25);
  flex-shrink: 0;
}

/* Soluciones Section */
.soluciones {
  padding: var(--spacing-xl) 0;
  background-color: var(--bg-primary);
}

.solutions-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: var(--spacing-md);
}

.solution-card {
  background-color: var(--bg-primary);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: var(--spacing-md);
  transition: var(--transition);
}

.solution-card:hover {
  border-color: var(--primary);
  box-shadow: 0 4px 12px rgba(49, 83, 129, 0.12);
  transform: translateY(-4px);
}

.solution-icon {
  margin-bottom: var(--spacing-sm);
}

.solution-card h3 {
  color: var(--text-primary);
  margin-bottom: var(--spacing-sm);
}

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

/* Proceso Section */
.proceso {
  padding: var(--spacing-xl) 0;
  background-color: var(--bg-secondary);
}

.proceso-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-md);
}

.proceso-step {
  background-color: var(--bg-primary);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: var(--spacing-md);
  text-align: center;
  position: relative;
  transition: var(--transition);
}

.proceso-step:hover {
  border-color: var(--primary);
  box-shadow: 0 4px 12px rgba(49, 83, 129, 0.12);
}

.step-number {
  position: absolute;
  top: -16px;
  left: 50%;
  transform: translateX(-50%);
  width: 32px;
  height: 32px;
  background-color: var(--primary);
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  font-size: 1.125rem;
}

.step-icon {
  margin: var(--spacing-md) auto var(--spacing-sm);
  display: flex;
  justify-content: center;
}

.proceso-step h3 {
  color: var(--text-primary);
  margin-bottom: var(--spacing-sm);
  font-size: 1.125rem;
}

.proceso-step p {
  color: var(--text-secondary);
  font-size: 0.95rem;
}

/* Institucional Section */
.institucional {
  padding: var(--spacing-xl) 0;
  background-color: var(--bg-primary);
}

.institucional-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-lg);
  align-items: center;
}

.institucional h2 {
  text-align: left;
}

.institucional-description {
  font-size: 1.125rem;
  color: var(--text-secondary);
  margin-bottom: var(--spacing-md);
}

.institucional-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.institucional-list li {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm);
  background-color: var(--bg-secondary);
  border-radius: 6px;
  transition: var(--transition);
}

.institucional-list li:hover {
  background-color: var(--accent-light);
  transform: translateX(8px);
}

.institucional-list span {
  color: var(--text-primary);
  font-weight: 500;
}

/* CTA Final Section */
.cta-final {
  padding: var(--spacing-xl) 0;
  background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 100%);
  color: white;
}

.cta-content {
  text-align: center;
  max-width: 700px;
  margin: 0 auto;
}

.cta-final h2 {
  color: white;
  margin-bottom: var(--spacing-sm);
}

.cta-final p {
  color: rgba(255, 255, 255, 0.9);
  font-size: 1.125rem;
  margin-bottom: var(--spacing-md);
}

.cta-final .btn-primary {
  background-color: white;
  color: var(--primary);
  border-color: white;
}

.cta-final .btn-primary:hover {
  background-color: var(--accent-light);
  transform: translateY(-4px);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.2);
}

/* Contacto Section */
.contacto {
  padding: var(--spacing-xl) 0;
  background-color: var(--bg-secondary);
}

.contacto-content {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: var(--spacing-lg);
}

.contact-form {
  background-color: var(--bg-primary);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: var(--spacing-md);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-md);
}

.form-group {
  display: flex;
  flex-direction: column;
}

.form-group.full-width {
  grid-column: 1 / -1;
}

.form-group label {
  color: var(--text-primary);
  font-weight: 500;
  margin-bottom: var(--spacing-xs);
  font-size: 0.95rem;
}

.form-group input,
.form-group textarea {
  padding: 0.875rem;
  border: 1px solid var(--border);
  border-radius: 6px;
  font-family: var(--font-family);
  font-size: 1rem;
  transition: var(--transition);
  color: var(--text-primary);
  background-color: var(--bg-primary);
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(49, 83, 129, 0.12);
}

/* PDF Upload Field */
.file-input {
  display: none;
}

.file-upload-wrapper {
  position: relative;
}

.file-upload-label {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 1rem 1.25rem;
  border: 2px dashed var(--border);
  border-radius: 8px;
  cursor: pointer;
  transition: var(--transition);
  background-color: var(--bg-secondary);
  color: var(--text-secondary);
  font-size: 0.95rem;
}

.file-upload-label:hover {
  border-color: var(--primary);
  background-color: var(--accent-light);
  color: var(--primary);
}

.file-upload-label.file-selected {
  border-color: var(--primary);
  background-color: var(--accent-light);
  color: var(--primary);
  border-style: solid;
}

.file-hint {
  font-size: 0.8rem;
  color: var(--accent);
  margin-top: 0.4rem;
  margin-bottom: 0.25rem;
}

.file-wa-note {
  font-size: 0.85rem;
  color: var(--primary-dark);
  background-color: #eef6ff;
  border-left: 3px solid var(--primary-dark);
  padding: 0.5rem 0.75rem;
  border-radius: 0 4px 4px 0;
  margin-bottom: 0;
}

.contact-form button {
  grid-column: 1 / -1;
  border: none;
  cursor: pointer;
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.contact-card {
  background-color: var(--bg-primary);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: var(--spacing-md);
}

.contact-card h3 {
  color: var(--text-primary);
  margin-bottom: var(--spacing-sm);
  font-size: 1.125rem;
}

.contact-card p {
  color: var(--text-secondary);
  margin: 0;
}

.contact-link {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  color: #25D366;
  text-decoration: none;
  font-weight: 600;
  font-size: 1.125rem;
  transition: var(--transition);
}

.contact-link:hover {
  color: #128C7E;
}

/* Footer */
.footer {
  background: linear-gradient(135deg, var(--primary-deeper) 0%, var(--primary-dark) 100%);
  color: white;
  padding: var(--spacing-lg) 0 var(--spacing-md);
}

.footer-content {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-md);
}

.footer-brand p {
  color: rgba(206, 224, 244, 0.75);
  margin-top: var(--spacing-sm);
}

.logo-img-footer {
  height: 60px;
  width: auto;
  display: block;
  margin-bottom: var(--spacing-sm);
}

.footer-links {
  display: flex;
  gap: var(--spacing-lg);
}

.footer-column h4 {
  color: white;
  margin-bottom: var(--spacing-sm);
  font-size: 1rem;
}

.footer-column a {
  display: block;
  color: rgba(206, 224, 244, 0.7);
  text-decoration: none;
  margin-bottom: var(--spacing-xs);
  transition: var(--transition);
}

.footer-column a:hover {
  color: var(--accent-light);
  transform: translateX(4px);
}

.footer-bottom {
  border-top: 1px solid rgba(206, 224, 244, 0.15);
  padding-top: var(--spacing-md);
  text-align: center;
}

.footer-bottom p {
  color: rgba(206, 224, 244, 0.5);
  margin: 0;
  font-size: 0.875rem;
}

/* Animations */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.fade-in {
  animation: fadeInUp 0.6s ease-out;
}

/* Responsive Design */
@media (max-width: 968px) {

  .nav-links,
  .nav-content>.btn-primary {
    display: none;
  }

  .mobile-menu-btn {
    display: flex;
  }

  .hero-content,
  .institucional-content {
    grid-template-columns: 1fr;
  }

  .hero-image {
    order: -1;
  }

  .hero-img {
    max-width: 100%;
  }

  .contacto-content {
    grid-template-columns: 1fr;
  }

  .footer-content {
    grid-template-columns: 1fr;
  }

  .hero-ctas {
    flex-direction: column;
  }

  .hero-ctas .btn-large {
    width: 100%;
  }

  .logo-img {
    height: 40px;
  }

  .logo-img-footer {
    height: 50px;
  }

  .stats-grid {
    flex-direction: column;
    gap: 0;
  }

  .stat-divider {
    width: 60px;
    height: 1px;
  }
}

@media (max-width: 640px) {
  :root {
    --spacing-lg: 3rem;
    --spacing-xl: 4rem;
  }

  .contact-form {
    grid-template-columns: 1fr;
  }

  .solutions-grid,
  .proceso-grid {
    grid-template-columns: 1fr;
  }

  .stat-item {
    padding: var(--spacing-md);
  }
}