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

body {
  font-family: var(--font-family);
  line-height: 1.6;
  color: var(--color-text);
  background-color: var(--color-bg);
}

/* Layout */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: var(--container-padding);
}

.section-header {
  text-align: center;
  margin-bottom: 4rem;
}

.section-header h2 {
  font-size: 5rem;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 1rem;
  line-height: 1.2;
}

.section-header p {
  font-size: 1.2rem;
  color: var(--color-text-light);
}

/* AI highlight — replaces all inline <span style="color: #8B4513;">AI</span> */
.ai {
  color: var(--color-primary);
}

/* Navigation */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  background: white;
  box-shadow: var(--shadow-sm);
  z-index: 1000;
  transition: var(--transition);
}

.navbar.scrolled {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
}

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

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

.nav-logo a {
  text-decoration: none;
}

.logo-text {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-text);
}

.logo-accent {
  color: var(--color-primary);
}

.logo-accent code {
  font-family: var(--font-mono);
  font-weight: 600;
}

.nav-menu {
  display: flex;
  gap: 2rem;
  align-items: center;
}

.nav-link {
  color: var(--color-text);
  text-decoration: none;
  font-weight: 500;
  transition: color 0.3s ease;
  position: relative;
}

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

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -5px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--color-primary);
  transition: width 0.3s ease;
}

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

.nav-toggle {
  display: none;
  flex-direction: column;
  cursor: pointer;
  gap: 4px;
}

.bar {
  width: 25px;
  height: 3px;
  background: var(--color-text);
  margin: 3px 0;
  transition: var(--transition);
}

/* Language Switcher */
.lang-switcher {
  position: relative;
  margin-left: 1.5rem;
}

.lang-current {
  background: transparent;
  border: 1px solid var(--color-text-light);
  color: var(--color-text);
  padding: 0.4rem 0.8rem;
  font-family: var(--font-family);
  font-size: 0.85rem;
  font-weight: 500;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 0.4rem;
  transition: var(--transition);
}

.lang-current:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.lang-current i {
  font-size: 0.65rem;
  transition: transform 0.3s ease;
}

.lang-switcher.open .lang-current i {
  transform: rotate(180deg);
}

.lang-dropdown {
  display: none;
  position: absolute;
  top: 100%;
  right: 0;
  left: 0;
  margin-top: 0.3rem;
  background: white;
  border: 1px solid #e0e0e0;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
  z-index: 1001;
}

.lang-switcher.open .lang-dropdown {
  display: block;
}

.lang-option {
  display: block;
  padding: 0.4rem 0.8rem;
  color: var(--color-text);
  text-decoration: none;
  font-size: 0.85rem;
  text-align: center;
  transition: background 0.2s;
}

.lang-option:hover {
  background: var(--color-bg-alt);
}

.lang-option.active {
  color: var(--color-primary);
  font-weight: 600;
}

/* Cookie Banner */
.cookie-banner {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: var(--color-text);
  color: #ccc;
  padding: 1rem 2rem;
  z-index: 9999;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  font-size: 0.9rem;
  box-shadow: 0 -2px 10px rgba(0, 0, 0, 0.2);
}

.cookie-banner.visible {
  display: flex;
}

.cookie-text {
  flex: 1;
  line-height: 1.5;
}

.cookie-text a {
  color: white;
  text-decoration: underline;
}

.cookie-buttons {
  display: flex;
  gap: 0.75rem;
  flex-shrink: 0;
}

.cookie-btn {
  padding: 0.5rem 1.25rem;
  font-family: var(--font-family);
  font-size: 0.85rem;
  font-weight: 500;
  cursor: pointer;
  border: none;
  transition: var(--transition);
}

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

.cookie-accept:hover {
  background: #a0522d;
}

.cookie-decline {
  background: transparent;
  color: #ccc;
  border: 1px solid #666;
}

.cookie-decline:hover {
  border-color: #ccc;
  color: white;
}

@media (max-width: 600px) {
  .cookie-banner {
    flex-direction: column;
    text-align: center;
    padding: 1rem;
  }

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

/* Footer */
.footer {
  background: var(--color-bg-alt);
  padding: 3rem 0 1rem;
}

.footer-container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: var(--container-padding);
}

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

.footer-section h3,
.footer-section h4 {
  color: var(--color-text);
  margin-bottom: 1rem;
}

.footer-section ul {
  list-style: none;
}

.footer-section ul li {
  margin-bottom: 0.5rem;
}

.footer-section ul li a {
  color: var(--color-text-light);
  text-decoration: none;
  transition: color 0.3s ease;
}

.footer-section ul li a:hover {
  color: var(--color-primary);
}

.footer-bottom {
  border-top: 1px solid #e9ecef;
  padding-top: 1rem;
  text-align: center;
  color: var(--color-text-light);
}

/* Breadcrumbs */
.breadcrumbs {
  background: var(--color-bg-alt);
  padding: 1rem 0;
  margin-bottom: 2rem;
  border-bottom: 1px solid #e9ecef;
  width: 100%;
}

.breadcrumbs-container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: var(--container-padding);
}

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

.breadcrumbs a:hover {
  color: #a0522d;
  text-decoration: underline;
}

.breadcrumbs .separator {
  color: #6c757d;
  margin: 0 0.5rem;
  font-weight: 400;
}

.breadcrumbs span:last-child {
  color: #495057;
  font-weight: 600;
}

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

@keyframes slideInLeft {
  from {
    opacity: 0;
    transform: translateX(-50px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes slideInRight {
  from {
    opacity: 0;
    transform: translateX(50px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

/* Responsive */
@media (max-width: 768px) {
  .nav-menu {
    position: fixed;
    top: var(--nav-height);
    left: -100%;
    width: 100%;
    height: calc(100vh - var(--nav-height));
    background: white;
    flex-direction: column;
    padding: 2rem;
    transition: left 0.3s ease;
    box-shadow: 2px 0 10px rgba(0, 0, 0, 0.1);
  }

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

  .lang-switcher {
    margin-left: auto;
    margin-right: 1rem;
  }

  .nav-toggle {
    display: flex;
  }

  .nav-toggle.active .bar:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
  }

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

  .nav-toggle.active .bar:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -6px);
  }

  .container {
    padding: 0 1rem;
  }

  .section-header h2 {
    font-size: 2.5rem;
  }

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

  .breadcrumbs-container {
    padding: 0 1rem;
  }
}