@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@300;400;500;600;700&display=swap');

:root {
  --color-primary: #2D3436;
  --color-secondary: #F0F3F5;
  --color-accent: #00D1B2;
  --color-text: #1a1a1a;
  --color-text-light: #6b7280;
  --color-bg: #ffffff;
  --color-bg-alt: #f9fafb;

  --font-family: 'Space Grotesk', sans-serif;
  --font-size-base: 16px;
  --line-height-base: 1.6;

  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2rem;
  --space-xl: 3rem;
  --space-2xl: 4rem;

  --radius-sm: 0.25rem;
  --radius-md: 0.5rem;
  --radius-lg: 1rem;

  --shadow-sm: 4px 4px 0px var(--color-primary);
  --shadow-md: 8px 8px 0px var(--color-primary);
  --shadow-lg: 12px 12px 0px var(--color-primary);

  --transition-fast: 150ms ease;
  --transition-base: 300ms ease;
  --transition-slow: 500ms ease;
}

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

body {
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  line-height: var(--line-height-base);
  color: var(--color-text);
  background-color: var(--color-bg);
  overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.2;
  color: var(--color-primary);
  text-transform: uppercase;
  letter-spacing: -0.02em;
}

a {
  text-decoration: none;
  color: inherit;
  transition: var(--transition-fast);
}

img {
  max-width: 100%;
  display: block;
  filter: grayscale(10%) contrast(110%);
  border: 3px solid var(--color-primary);
}

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

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.5rem;
  font-weight: 700;
  text-transform: uppercase;
  border: 3px solid var(--color-primary);
  cursor: pointer;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
  font-size: 1rem;
  position: relative;
  background-color: var(--color-bg);
}

.btn-primary {
  background-color: var(--color-accent);
  box-shadow: 4px 4px 0px var(--color-primary);
}

.btn-primary:hover {
  transform: translate(-2px, -2px);
  box-shadow: 6px 6px 0px var(--color-primary);
}

.btn-primary:active {
  transform: translate(0, 0);
  box-shadow: 2px 2px 0px var(--color-primary);
}

.btn-secondary {
  background-color: var(--color-secondary);
  box-shadow: 4px 4px 0px var(--color-primary);
}

.btn-secondary:hover {
  transform: translate(-2px, -2px);
  box-shadow: 6px 6px 0px var(--color-primary);
}

.card {
  background: var(--color-bg);
  border: 3px solid var(--color-primary);
  padding: var(--space-lg);
  box-shadow: var(--shadow-md);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
}

.nav-header {
  border-bottom: 3px solid var(--color-primary);
  padding: var(--space-sm) 0;
  position: sticky;
  top: 0;
  z-index: 1000;
  background: var(--color-bg);
}

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

.logo {
  font-size: 1.5rem;
  font-weight: 900;
  color: var(--color-primary);
}

.nav-links {
  display: flex;
  gap: var(--space-lg);
}

.nav-link {
  font-weight: 600;
  text-transform: uppercase;
  padding: 0.5rem 0;
  border-bottom: 3px solid transparent;
}

.nav-link:hover, .nav-link.active {
  border-bottom-color: var(--color-accent);
}

.hero {
  padding: var(--space-2xl) 0;
  background-color: var(--color-bg-alt);
  border-bottom: 3px solid var(--color-primary);
  position: relative;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image: radial-gradient(var(--color-primary) 1px, transparent 1px);
  background-size: 20px 20px;
  opacity: 0.05;
  pointer-events: none;
}

.section-title {
  font-size: 3rem;
  margin-bottom: var(--space-xl);
  text-align: center;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-lg);
}

.footer {
  background: var(--color-primary);
  color: var(--color-secondary);
  padding: var(--space-2xl) 0;
  margin-top: var(--space-2xl);
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-xl);
}

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  margin-top: var(--space-xl);
  padding-top: var(--space-lg);
  font-size: 0.875rem;
}

.hamburger {
  display: none;
  cursor: pointer;
  background: none;
  border: none;
}

.mobile-menu {
  position: fixed;
  top: 0;
  right: -100%;
  width: 80%;
  height: 100vh;
  background: var(--color-bg);
  z-index: 1100;
  transition: right var(--transition-base);
  border-left: 3px solid var(--color-primary);
  padding: var(--space-2xl) var(--space-lg);
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}

.mobile-menu.active {
  right: 0;
}

.overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100vh;
  background: rgba(0,0,0,0.5);
  z-index: 1050;
  display: none;
}

.overlay.active {
  display: block;
}

.faq-item {
  border: 3px solid var(--color-primary);
  margin-bottom: var(--space-sm);
}

.faq-question {
  padding: var(--space-md);
  background: var(--color-secondary);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-weight: 700;
  text-transform: uppercase;
}

.faq-answer {
  padding: 0 var(--space-md);
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-base), padding var(--transition-base);
  background: var(--color-bg);
}

.faq-item.active .faq-answer {
  max-height: 500px;
  padding: var(--space-md);
}

.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: var(--color-bg);
  border-top: 3px solid var(--color-primary);
  padding: var(--space-md);
  z-index: 2000;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-lg);
  box-shadow: 0 -4px 10px rgba(0,0,0,0.1);
}

.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.reveal.active {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 1024px) {
  .grid-3 {
    grid-template-columns: repeat(2, 1fr);
  }
  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .section-title {
    font-size: 2rem;
  }
  .grid-3 {
    grid-template-columns: 1fr;
  }
  .footer-grid {
    grid-template-columns: 1fr;
  }
  .nav-links {
    display: none;
  }
  .hamburger {
    display: block;
  }
  .hero {
    padding: var(--space-xl) 0;
  }
  .cookie-banner {
    flex-direction: column;
    text-align: center;
  }
}

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

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

.form-label {
  font-weight: 700;
  text-transform: uppercase;
  font-size: 0.875rem;
}

.form-input {
  padding: 0.75rem;
  border: 3px solid var(--color-primary);
  font-family: inherit;
  font-size: 1rem;
}

.form-input:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 4px 4px 0px var(--color-primary);
}

.error-message {
  color: #ff4757;
  font-size: 0.875rem;
  display: none;
}

.form-input.invalid {
  border-color: #ff4757;
}

.form-input.invalid + .error-message {
  display: block;
}

.testimonial-slider {
  display: flex;
  gap: var(--space-lg);
  overflow-x: auto;
  padding-bottom: var(--space-lg);
  scrollbar-width: thin;
  scrollbar-color: var(--color-accent) var(--color-secondary);
}

.testimonial-card {
  min-width: 300px;
  flex: 0 0 350px;
}

.testimonial-content {
  font-style: italic;
  margin-bottom: var(--space-md);
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.author-info {
  font-weight: 700;
  font-size: 0.875rem;
}

.author-role {
  font-weight: 400;
  color: var(--color-text-light);
}

.risk-disclaimer {
  background: #fff3f3;
  border: 2px solid #ff4757;
  padding: var(--space-md);
  margin-top: var(--space-lg);
  font-size: 0.875rem;
  color: #d63031;
}

.breadcrumb {
  padding: var(--space-md) 0;
  display: flex;
  gap: 0.5rem;
  font-size: 0.875rem;
  color: var(--color-text-light);
}

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

.skip-link {
  position: absolute;
  top: -40px;
  left: 0;
  background: var(--color-accent);
  color: var(--color-primary);
  padding: 8px;
  z-index: 2000;
  transition: top 0.2s;
}

.skip-link:focus {
  top: 0;
}

[data-theme="dark"] {
  --color-bg: #1a1a1a;
  --color-bg-alt: #2D3436;
  --color-text: #f0f3f5;
  --color-text-light: #9ca3af;
  --color-primary: #ffffff;
  --shadow-sm: 4px 4px 0px var(--color-accent);
  --shadow-md: 8px 8px 0px var(--color-accent);
  --shadow-lg: 12px 12px 0px var(--color-accent);
}