/* Domain - Auditoría Financiera en España */
/* Paleta de colores:
   - Глубокий изумрудный #004d40
   - Яркий коралловый #ff6f61  
   - Мягкий бежевый #f8f5f2
   - Угольный серый #333333
   - Акцентный неоново-голубой #00e5ff
*/

:root {
  --emerald-deep: #004d40;
  --coral-bright: #ff6f61;
  --beige-soft: #f8f5f2;
  --gray-charcoal: #333333;
  --blue-neon: #00e5ff;
  --white: #ffffff;
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  line-height: 1.6;
  color: var(--gray-charcoal);
  background-color: var(--beige-soft);
}

/* Header */
header {
  background: linear-gradient(135deg, var(--emerald-deep) 0%, var(--blue-neon) 100%);
  padding: 1rem 0;
  position: fixed;
  top: 0;
  width: 100%;
  z-index: 1000;
  box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1rem;
}

.header-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  font-size: 2rem;
  font-weight: bold;
  color: var(--white);
  text-decoration: none;
  letter-spacing: 0.1rem;
}

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

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

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

.mobile-menu-toggle {
  display: none;
  flex-direction: column;
  cursor: pointer;
  background: none;
  border: none;
}

.mobile-menu-toggle span {
  width: 25px;
  height: 3px;
  background: var(--white);
  margin: 3px 0;
  transition: 0.3s;
}

/* Main Content */
main {
  margin-top: 80px;
}

.section {
  padding: 4rem 0;
}

.section:nth-child(even) {
  background: var(--white);
}

/* Hero Section */
.hero {
  background: linear-gradient(135deg, var(--emerald-deep) 0%, var(--blue-neon) 100%);
  color: var(--white);
  min-height: 70vh;
  display: flex;
  align-items: center;
  text-align: center;
}

.hero-content h1 {
  font-size: 3.5rem;
  margin-bottom: 1rem;
  font-weight: 300;
}

.hero-content p {
  font-size: 1.2rem;
  margin-bottom: 2rem;
  opacity: 0.9;
}

/* Buttons */
.btn {
  display: inline-block;
  padding: 1rem 2rem;
  background: var(--coral-bright);
  color: var(--white);
  text-decoration: none;
  border-radius: 50px;
  font-weight: 600;
  font-size: 1.1rem;
  transition: all 0.3s ease;
  border: none;
  cursor: pointer;
}

.btn:hover {
  background: #e55a50;
  transform: translateY(-2px);
  box-shadow: 0 5px 15px rgba(255, 111, 97, 0.4);
}

.btn-secondary {
  background: transparent;
  border: 2px solid var(--white);
  margin-left: 1rem;
}

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

/* Grid Layouts */
.grid {
  display: grid;
  gap: 2rem;
}

.grid-3 {
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

.grid-2 {
  grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
}

/* Cards */
.card {
  background: var(--white);
  padding: 2rem;
  border-radius: 15px;
  box-shadow: 0 10px 30px rgba(0,0,0,0.1);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  border-top: 4px solid var(--coral-bright);
}

.card:hover {
  transform: translateY(-5px);
  box-shadow: 0 20px 40px rgba(0,0,0,0.15);
}

.card h3 {
  color: var(--emerald-deep);
  margin-bottom: 1rem;
  font-size: 1.5rem;
}

.card-icon {
  width: 60px;
  height: 60px;
  background: linear-gradient(135deg, var(--coral-bright), var(--blue-neon));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1rem;
  font-size: 1.5rem;
  color: var(--white);
}

/* Section Titles */
.section-title {
  text-align: center;
  margin-bottom: 3rem;
}

.section-title h2 {
  font-size: 2.5rem;
  color: var(--emerald-deep);
  margin-bottom: 0.5rem;
}

.section-title p {
  font-size: 1.1rem;
  color: var(--gray-charcoal);
  opacity: 0.8;
}

/* Form Styles */
.contact-form {
  background: var(--white);
  padding: 3rem;
  border-radius: 20px;
  box-shadow: 0 15px 35px rgba(0,0,0,0.1);
  margin: 2rem auto;
  max-width: 600px;
}

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

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

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 1rem;
  border: 2px solid #e1e1e1;
  border-radius: 10px;
  font-size: 1rem;
  transition: border-color 0.3s ease;
}

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

.checkbox-group {
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
  margin-bottom: 1rem;
}

.checkbox-group input[type="checkbox"] {
  width: auto;
  margin: 0;
}

.checkbox-group label {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.4;
}

/* Footer */
footer {
  background: var(--emerald-deep);
  color: var(--white);
  padding: 3rem 0 1rem;
}

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

.footer-section h3 {
  color: var(--coral-bright);
  margin-bottom: 1rem;
}

.footer-section a {
  color: var(--white);
  text-decoration: none;
  opacity: 0.8;
  transition: opacity 0.3s ease;
}

.footer-section a:hover {
  opacity: 1;
  color: var(--blue-neon);
}

.footer-bottom {
  text-align: center;
  padding-top: 2rem;
  border-top: 1px solid rgba(255,255,255,0.1);
  opacity: 0.7;
}

/* Cookie Banner */
.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: var(--emerald-deep);
  color: var(--white);
  padding: 1rem;
  z-index: 2000;
  transform: translateY(100%);
  transition: transform 0.3s ease, opacity 0.3s ease;
  opacity: 0;
}

.cookie-banner.show {
  transform: translateY(0);
  opacity: 1;
}

.cookie-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  max-width: 1200px;
  margin: 0 auto;
  gap: 1rem;
}

.cookie-text {
  flex: 1;
}

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

.cookie-btn {
  padding: 0.5rem 1rem;
  border: none;
  border-radius: 5px;
  cursor: pointer;
  font-weight: 600;
  transition: background-color 0.3s ease;
}

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

.cookie-btn.accept:hover {
  background: #e55a50;
}

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

.cookie-btn.decline:hover {
  background: var(--white);
  color: var(--emerald-deep);
}

/* Responsive Design */
@media (max-width: 768px) {
  .nav-menu {
    position: fixed;
    top: 80px;
    left: -100%;
    width: 100%;
    height: calc(100vh - 80px);
    background: var(--emerald-deep);
    flex-direction: column;
    justify-content: flex-start;
    align-items: center;
    transition: left 0.3s ease;
    padding-top: 2rem;
  }

  .nav-menu.active {
    left: 0;
  }

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

  .hero-content h1 {
    font-size: 2.5rem;
  }

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

  .btn-secondary {
    margin-left: 0;
    margin-top: 1rem;
  }

  .grid-3,
  .grid-2 {
    grid-template-columns: 1fr;
  }

  .section-title h2 {
    font-size: 2rem;
  }

  .contact-form {
    padding: 2rem 1rem;
    margin: 1rem;
  }

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

  .cookie-buttons {
    width: 100%;
    justify-content: center;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 0.5rem;
  }

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

  .section {
    padding: 2rem 0;
  }

  .card {
    padding: 1.5rem;
  }
}

/* Animations */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

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

/* Accessibility */
@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

.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;
}