/* FixedFloat.ca - Modern Crypto Exchange Design */
:root {
  --primary: #0ea5e9;
  --primary-dark: #0284c7;
  --secondary: #8b5cf6;
  --accent: #ec4899;
  --success: #10b981;
  --dark: #1e293b;
  --gray: #64748b;
  --light: #f8fafc;
  --border: #e2e8f0;
  --shadow-sm: 0 1px 2px 0 rgba(0,0,0,0.05);
  --shadow: 0 4px 6px -1px rgba(0,0,0,0.1);
  --shadow-lg: 0 20px 25px -5px rgba(0,0,0,0.1);
  --radius: 16px;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  line-height: 1.6;
  color: var(--dark);
  background: var(--light);
}

/* Navigation */
.navbar {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 1000;
  box-shadow: var(--shadow-sm);
}

.nav-container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 80px;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}

.logo-img {
  width: 50px;
  height: 50px;
  border-radius: 12px;
}

.brand-name {
  font-size: 22px;
  font-weight: 700;
  background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.nav-menu {
  display: flex;
  gap: 32px;
  list-style: none;
  align-items: center;
}

.nav-link {
  color: var(--dark);
  text-decoration: none;
  font-weight: 500;
  font-size: 15px;
  transition: var(--transition);
  position: relative;
}

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

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

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

/* Hero Section */
.hero {
  background: linear-gradient(135deg, #0ea5e9 0%, #8b5cf6 100%);
  padding: 100px 24px;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url('data:image/svg+xml,<svg width="100" height="100" xmlns="http://www.w3.org/2000/svg"><defs><pattern id="grid" width="100" height="100" patternUnits="userSpaceOnUse"><path d="M 100 0 L 0 0 0 100" fill="none" stroke="rgba(255,255,255,0.1)" stroke-width="1"/></pattern></defs><rect width="100%" height="100%" fill="url(%23grid)"/></svg>');
  opacity: 0.3;
}

.hero-content {
  max-width: 1280px;
  margin: 0 auto;
  text-align: center;
  position: relative;
  z-index: 1;
}

.hero-title {
  font-size: 56px;
  font-weight: 800;
  color: white;
  margin-bottom: 24px;
  line-height: 1.1;
}

.hero-description {
  font-size: 22px;
  color: rgba(255,255,255,0.95);
  max-width: 700px;
  margin: 0 auto 40px;
  line-height: 1.6;
}

.hero-tags {
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 40px;
}

.tag {
  background: rgba(255,255,255,0.2);
  backdrop-filter: blur(10px);
  padding: 10px 24px;
  border-radius: 30px;
  color: white;
  font-weight: 600;
  font-size: 14px;
  border: 1px solid rgba(255,255,255,0.3);
}

.hero-buttons {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

.btn {
  padding: 16px 40px;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 16px;
  text-decoration: none;
  transition: var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border: none;
  cursor: pointer;
}

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

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 25px 30px -5px rgba(0,0,0,0.15);
}

.btn-outline {
  background: transparent;
  color: white;
  border: 2px solid white;
}

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

/* Container */
.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px;
}

/* Section */
.section {
  padding: 100px 0;
}

.section-header {
  text-align: center;
  margin-bottom: 60px;
}

.section-title {
  font-size: 42px;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 16px;
}

.section-desc {
  font-size: 18px;
  color: var(--gray);
  max-width: 700px;
  margin: 0 auto;
}

/* Info Cards Grid */
.info-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
  margin-bottom: 60px;
}

.info-card {
  background: white;
  padding: 32px;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  transition: var(--transition);
  border: 1px solid var(--border);
}

.info-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
  border-color: var(--primary);
}

.info-icon {
  width: 56px;
  height: 56px;
  background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 26px;
  margin-bottom: 20px;
}

.info-card h3 {
  font-size: 20px;
  color: var(--dark);
  margin-bottom: 12px;
  font-weight: 600;
}

.info-card p {
  color: var(--gray);
  line-height: 1.7;
  font-size: 15px;
}

/* Comparison Grid */
.comparison-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 30px;
}

.comparison-card {
  background: white;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: var(--transition);
  border: 2px solid transparent;
}

.comparison-card:hover {
  border-color: var(--primary);
  transform: scale(1.02);
}

.comparison-header {
  background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
  color: white;
  padding: 24px;
  text-align: center;
}

.comparison-header h3 {
  font-size: 24px;
  margin-bottom: 8px;
}

.comparison-header .rate {
  font-size: 14px;
  opacity: 0.9;
}

.comparison-body {
  padding: 24px;
}

.comparison-item {
  display: flex;
  justify-content: space-between;
  padding: 12px 0;
  border-bottom: 1px solid var(--border);
}

.comparison-item:last-child {
  border-bottom: none;
}

.comparison-label {
  color: var(--gray);
  font-size: 14px;
}

.comparison-value {
  color: var(--dark);
  font-weight: 600;
  font-size: 14px;
}

/* Steps Section */
.steps-section {
  background: var(--dark);
  color: white;
}

.steps-container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 40px;
}

.step {
  text-align: center;
}

.step-number {
  width: 80px;
  height: 80px;
  background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 32px;
  font-weight: 800;
  margin: 0 auto 24px;
  box-shadow: var(--shadow-lg);
}

.step h3 {
  font-size: 22px;
  margin-bottom: 12px;
}

.step p {
  color: rgba(255,255,255,0.8);
  line-height: 1.7;
}

/* Reviews Section */
.reviews-section {
  background: var(--light);
}

.reviews-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 30px;
}

.review-card {
  background: white;
  padding: 32px;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  position: relative;
  border-top: 4px solid var(--primary);
}

.review-text {
  font-size: 16px;
  line-height: 1.8;
  color: var(--dark);
  margin-bottom: 24px;
  font-style: italic;
}

.review-author {
  display: flex;
  align-items: center;
  gap: 12px;
}

.author-avatar {
  width: 48px;
  height: 48px;
  background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: 700;
  font-size: 18px;
}

.author-info h4 {
  font-size: 16px;
  color: var(--dark);
  margin-bottom: 2px;
}

.author-info p {
  font-size: 13px;
  color: var(--gray);
}

/* FAQ Section */
.faq-container {
  max-width: 900px;
  margin: 0 auto;
}

.faq-item {
  background: white;
  margin-bottom: 16px;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
}

.faq-question {
  padding: 24px;
  font-size: 18px;
  font-weight: 600;
  color: var(--dark);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: var(--transition);
}

.faq-question:hover {
  background: var(--light);
}

.faq-answer {
  padding: 0 24px 24px;
  color: var(--gray);
  line-height: 1.8;
  font-size: 15px;
}

/* CTA Banner */
.cta-banner {
  background: linear-gradient(135deg, var(--success) 0%, #059669 100%);
  padding: 80px 24px;
  text-align: center;
  color: white;
}

.cta-banner h2 {
  font-size: 42px;
  margin-bottom: 20px;
}

.cta-banner p {
  font-size: 20px;
  opacity: 0.95;
  margin-bottom: 32px;
}

/* Footer */
.footer {
  background: var(--dark);
  color: white;
  padding: 60px 24px 30px;
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 40px;
  max-width: 1280px;
  margin: 0 auto 40px;
}

.footer-col h4 {
  font-size: 18px;
  margin-bottom: 20px;
  color: white;
}

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

.footer-col ul li {
  margin-bottom: 12px;
}

.footer-col a {
  color: var(--gray);
  text-decoration: none;
  transition: var(--transition);
  font-size: 15px;
}

.footer-col a:hover {
  color: white;
}

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: 30px;
  text-align: center;
  color: var(--gray);
  font-size: 14px;
  max-width: 1280px;
  margin: 0 auto;
}

/* Responsive */
@media (max-width: 768px) {
  .hero-title {
    font-size: 36px;
  }
  
  .section-title {
    font-size: 32px;
  }
  
  .nav-menu {
    gap: 16px;
  }
  
  .comparison-grid,
  .info-grid {
    grid-template-columns: 1fr;
  }
}