/* ============================================
   DASINNOVACIÓN S.R.L. - Estilos Corporativos
   ============================================ */

:root {
  --primary-color: #1e3a8a;
  --secondary-color: #3b82f6;
  --accent-color: #60a5fa;
  --dark-gray: #1f2937;
  --medium-gray: #6b7280;
  --light-gray: #f3f4f6;
  --white: #ffffff;
  --success: #10b981;
  --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-primary);
  font-size: 16px;
  line-height: 1.6;
  color: var(--dark-gray);
  background-color: var(--white);
}

/* ============================================
   HEADER & NAVIGATION
   ============================================ */

header {
  background-color: var(--white);
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
}

nav {
  max-width: 1200px;
  margin: 0 auto;
  padding: 1rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary-color);
  text-decoration: none;
}

.nav-menu {
  display: flex;
  list-style: none;
  gap: 2rem;
  align-items: center;
}

.nav-menu a {
  text-decoration: none;
  color: var(--dark-gray);
  font-weight: 500;
  transition: color 0.3s ease;
}

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

.btn-contact {
  background-color: var(--secondary-color);
  color: var(--white);
  padding: 0.75rem 1.5rem;
  border-radius: 6px;
  text-decoration: none;
  font-weight: 600;
  transition: background-color 0.3s ease, transform 0.2s ease;
}

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

.mobile-menu-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
  color: var(--dark-gray);
}

/* ============================================
   HERO SECTION
   ============================================ */

.hero {
  margin-top: 80px;
  background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
  color: var(--white);
  padding: 6rem 2rem;
  text-align: center;
}

.hero-content {
  max-width: 800px;
  margin: 0 auto;
}

.hero h1 {
  font-size: 3rem;
  font-weight: 700;
  margin-bottom: 1.5rem;
  line-height: 1.2;
}

.hero p {
  font-size: 1.25rem;
  margin-bottom: 2rem;
  opacity: 0.95;
}

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

.btn-primary, .btn-secondary {
  padding: 1rem 2rem;
  border-radius: 6px;
  text-decoration: none;
  font-weight: 600;
  transition: all 0.3s ease;
  display: inline-block;
}

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

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

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

.btn-secondary:hover {
  background-color: rgba(255, 255, 255, 0.1);
  transform: translateY(-2px);
}

/* ============================================
   SECTIONS
   ============================================ */

section {
  padding: 5rem 2rem;
  max-width: 1200px;
  margin: 0 auto;
}

section h2 {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--primary-color);
  margin-bottom: 1rem;
  text-align: center;
}

section h3 {
  font-size: 1.75rem;
  font-weight: 600;
  color: var(--primary-color);
  margin-top: 2rem;
  margin-bottom: 1rem;
}

section p {
  font-size: 1.125rem;
  line-height: 1.8;
  color: var(--medium-gray);
  margin-bottom: 1.5rem;
}

.section-subtitle {
  font-size: 1.125rem;
  color: var(--medium-gray);
  text-align: center;
  margin-bottom: 3rem;
}

/* ============================================
   CARDS & GRID
   ============================================ */

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  margin-top: 3rem;
}

.service-card {
  background-color: var(--white);
  border: 1px solid #e5e7eb;
  border-radius: 12px;
  padding: 2rem;
  transition: all 0.3s ease;
}

.service-card:hover {
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
  transform: translateY(-5px);
}

.service-card h3 {
  font-size: 1.5rem;
  color: var(--primary-color);
  margin-top: 0;
  margin-bottom: 1rem;
}

.service-card p {
  font-size: 1rem;
  color: var(--medium-gray);
  margin-bottom: 0;
}

.service-icon {
  font-size: 3rem;
  color: var(--secondary-color);
  margin-bottom: 1rem;
}

/* ============================================
   INFO BOX
   ============================================ */

.info-box {
  background-color: var(--light-gray);
  border-left: 4px solid var(--secondary-color);
  padding: 1.5rem;
  margin: 2rem 0;
  border-radius: 6px;
}

.info-box h4 {
  font-size: 1.25rem;
  color: var(--primary-color);
  margin-bottom: 0.5rem;
}

.info-box p {
  margin-bottom: 0.5rem;
  font-size: 1rem;
}

/* ============================================
   CONTACT FORM
   ============================================ */

.contact-form {
  max-width: 600px;
  margin: 3rem auto;
  background-color: var(--white);
  padding: 2rem;
  border-radius: 12px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

.form-group {
  margin-bottom: 1.5rem;
}

.form-group label {
  display: block;
  font-weight: 600;
  color: var(--dark-gray);
  margin-bottom: 0.5rem;
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 0.75rem;
  border: 1px solid #d1d5db;
  border-radius: 6px;
  font-size: 1rem;
  font-family: var(--font-primary);
  transition: border-color 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--secondary-color);
}

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

.btn-submit {
  width: 100%;
  background-color: var(--secondary-color);
  color: var(--white);
  padding: 1rem;
  border: none;
  border-radius: 6px;
  font-size: 1.125rem;
  font-weight: 600;
  cursor: pointer;
  transition: background-color 0.3s ease, transform 0.2s ease;
}

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

.btn-submit:disabled {
  background-color: var(--medium-gray);
  cursor: not-allowed;
  transform: none;
}

/* ============================================
   FOOTER
   ============================================ */

footer {
  background-color: var(--dark-gray);
  color: var(--white);
  padding: 3rem 2rem 1rem;
}

.footer-content {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
  margin-bottom: 2rem;
}

.footer-section h3 {
  color: var(--white);
  font-size: 1.25rem;
  margin-bottom: 1rem;
  margin-top: 0;
}

.footer-section p,
.footer-section a {
  color: #d1d5db;
  font-size: 0.95rem;
  line-height: 1.8;
  text-decoration: none;
}

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

.footer-links {
  list-style: none;
  padding: 0;
}

.footer-links li {
  margin-bottom: 0.75rem;
}

.footer-bottom {
  max-width: 1200px;
  margin: 0 auto;
  padding-top: 2rem;
  border-top: 1px solid #374151;
  text-align: center;
  color: #9ca3af;
  font-size: 0.875rem;
}

/* ============================================
   COOKIE BANNER
   ============================================ */

.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background-color: var(--dark-gray);
  color: var(--white);
  padding: 1.5rem 2rem;
  box-shadow: 0 -2px 10px rgba(0, 0, 0, 0.2);
  z-index: 999;
  display: none;
}

.cookie-banner.show {
  display: block;
}

.cookie-content {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 2rem;
}

.cookie-text {
  flex: 1;
  font-size: 0.95rem;
}

.cookie-text a {
  color: var(--accent-color);
  text-decoration: underline;
}

.cookie-buttons {
  display: flex;
  gap: 1rem;
}

.btn-cookie {
  padding: 0.75rem 1.5rem;
  border: none;
  border-radius: 6px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
}

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

.btn-cookie-accept:hover {
  background-color: var(--primary-color);
}

.btn-cookie-decline {
  background-color: transparent;
  color: var(--white);
  border: 1px solid var(--white);
}

.btn-cookie-decline:hover {
  background-color: rgba(255, 255, 255, 0.1);
}

/* ============================================
   RESPONSIVE DESIGN
   ============================================ */

@media (max-width: 768px) {
  .mobile-menu-toggle {
    display: block;
  }

  .nav-menu {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background-color: var(--white);
    flex-direction: column;
    padding: 1rem 0;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
    display: none;
  }

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

  .hero h1 {
    font-size: 2rem;
  }

  .hero p {
    font-size: 1rem;
  }

  section h2 {
    font-size: 2rem;
  }

  .services-grid {
    grid-template-columns: 1fr;
  }

  .cookie-content {
    flex-direction: column;
    text-align: center;
  }

  .cookie-buttons {
    width: 100%;
    flex-direction: column;
  }

  .btn-cookie {
    width: 100%;
  }
}

@media (max-width: 480px) {
  nav {
    padding: 1rem;
  }

  .hero {
    padding: 4rem 1rem;
  }

  section {
    padding: 3rem 1rem;
  }

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

  .btn-primary, .btn-secondary {
    width: 100%;
  }
}

/* ============================================
   UTILITY CLASSES
   ============================================ */

.text-center {
  text-align: center;
}

.mt-2 {
  margin-top: 2rem;
}

.mb-2 {
  margin-bottom: 2rem;
}

.hidden {
  display: none;
}

.alert {
  padding: 1rem;
  border-radius: 6px;
  margin-bottom: 1rem;
}

.alert-success {
  background-color: #d1fae5;
  color: #065f46;
  border: 1px solid #10b981;
}

.alert-error {
  background-color: #fee2e2;
  color: #991b1b;
  border: 1px solid #ef4444;
}