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

:root {
  --color-primary: #2C3E50;
  --color-secondary: #1A1A1A;
  --color-accent: #00D2FF;
  --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: 0 1px 2px rgba(0,0,0,0.05);
  --shadow-md: 0 4px 6px rgba(0,0,0,0.1);
  --shadow-lg: 0 10px 15px rgba(0,0,0,0.1);
  --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 {
  line-height: 1.2;
  font-weight: 700;
  color: var(--color-primary);
}

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

img {
  max-width: 100%;
  height: auto;
  display: block;
}

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

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 2rem;
  font-weight: 600;
  border-radius: var(--radius-md);
  transition: all var(--transition-base);
  cursor: pointer;
  border: 2px solid transparent;
  min-height: 44px;
  min-width: 44px;
}

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

.btn-primary:hover {
  background-color: var(--color-secondary);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

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

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

.btn-accent {
  background-color: var(--color-accent);
  color: var(--color-secondary);
}

.btn-accent:hover {
  filter: brightness(1.1);
  transform: scale(1.05);
}

.card {
  background: var(--color-bg);
  border: 1px solid rgba(0,0,0,0.05);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  transition: var(--transition-base);
  box-shadow: var(--shadow-sm);
}

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

.glass {
  background: rgba(255, 255, 255, 0.8);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.3);
}

.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, rgba(44, 62, 80, 0.85) 0%, rgba(26, 26, 26, 0.7) 100%);
  z-index: 1;
}

.hero-content {
  position: relative;
  z-index: 2;
  color: #ffffff;
}

.nav-link {
  font-weight: 500;
  position: relative;
}

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

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

.mobile-menu {
  position: fixed;
  top: 0;
  right: -100%;
  width: 80%;
  height: 100vh;
  background: var(--color-secondary);
  z-index: 1000;
  transition: var(--transition-slow);
  padding: var(--space-xl) var(--space-lg);
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

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

.hamburger {
  display: none;
  cursor: pointer;
  z-index: 1001;
}

.hamburger span {
  display: block;
  width: 25px;
  height: 3px;
  background-color: var(--color-primary);
  margin: 5px 0;
  transition: var(--transition-base);
}

@media (max-width: 768px) {
  .hamburger {
    display: block;
  }
  .desktop-nav {
    display: none;
  }
}

.footer {
  background-color: var(--color-secondary);
  color: #ffffff;
  padding: var(--space-2xl) 0 var(--space-lg);
}

.footer a {
  color: #cbd5e0;
}

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

.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  width: 100%;
  background: var(--color-primary);
  color: #ffffff;
  padding: var(--space-md);
  z-index: 2000;
  display: none;
  box-shadow: 0 -4px 20px rgba(0,0,0,0.2);
}

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

.faq-item {
  border-bottom: 1px solid rgba(0,0,0,0.1);
  padding: var(--space-md) 0;
}

.faq-question {
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-weight: 600;
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-base);
  color: var(--color-text-light);
}

.faq-item.active .faq-answer {
  max-height: 500px;
  margin-top: var(--space-sm);
}

.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.8s ease-out;
}

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

.section-padding {
  padding: var(--space-2xl) 0;
}

.input-group {
  margin-bottom: var(--space-md);
}

.input-group label {
  display: block;
  margin-bottom: var(--space-xs);
  font-weight: 500;
}

.input-control {
  width: 100%;
  padding: 0.75rem;
  border: 2px solid #e2e8f0;
  border-radius: var(--radius-md);
  font-family: inherit;
  transition: border-color var(--transition-base);
}

.input-control:focus {
  outline: none;
  border-color: var(--color-accent);
}

.error-message {
  color: #e53e3e;
  font-size: 0.875rem;
  margin-top: 0.25rem;
  display: none;
}

.success-message {
  background-color: #c6f6d5;
  color: #22543d;
  padding: var(--space-md);
  border-radius: var(--radius-md);
  margin-top: var(--space-md);
  display: none;
}

.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-lg);
}

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

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

@media (max-width: 768px) {
  .grid-2, .grid-3 {
    grid-template-columns: 1fr;
  }
  .section-padding {
    padding: var(--space-xl) 0;
  }
}

.testimonials-slider {
  display: flex;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  gap: var(--space-lg);
  padding-bottom: var(--space-md);
}

.testimonial-card {
  flex: 0 0 350px;
  scroll-snap-align: start;
}

@media (max-width: 768px) {
  .testimonial-card {
    flex: 0 0 280px;
  }
}

.skip-link {
  position: absolute;
  top: -40px;
  left: 0;
  background: var(--color-accent);
  color: var(--color-secondary);
  padding: 8px;
  z-index: 1002;
  transition: top 0.3s;
}

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

.logo-text {
  font-size: 1.5rem;
  font-weight: 800;
  letter-spacing: -1px;
  color: var(--color-primary);
}

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

.pricing-table {
  border: 1px solid rgba(0,0,0,0.1);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.pricing-header {
  background: var(--color-primary);
  color: #ffffff;
  padding: var(--space-lg);
  text-align: center;
}

.pricing-body {
  padding: var(--space-lg);
}

.pricing-features li {
  list-style: none;
  padding: 0.5rem 0;
  border-bottom: 1px solid rgba(0,0,0,0.05);
  display: flex;
  align-items: center;
}

.pricing-features li::before {
  content: '✓';
  margin-right: 10px;
  color: var(--color-accent);
  font-weight: bold;
}

.pricing-price {
  font-size: 2.5rem;
  font-weight: 700;
  margin: var(--space-sm) 0;
}

.pricing-price span {
  font-size: 1rem;
  font-weight: 400;
  color: var(--color-text-light);
}

.about-history-timeline {
  position: relative;
  max-width: 800px;
  margin: 0 auto;
}

.timeline-item {
  padding: var(--space-lg);
  border-left: 2px solid var(--color-accent);
  margin-left: 20px;
  position: relative;
}

.timeline-item::before {
  content: '';
  position: absolute;
  left: -9px;
  top: 30px;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--color-accent);
}

.contact-info-block {
  display: flex;
  gap: var(--space-md);
  margin-bottom: var(--space-lg);
}

.contact-icon {
  width: 48px;
  height: 48px;
  background: rgba(0, 210, 255, 0.1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-accent);
  flex-shrink: 0;
}