/* HydraTag Homepage Styles */

:root {
  --aqua-500: #00BCD4;
  --aqua-600: #00ACC1;
  --aqua-700: #0097A7;
  --aqua-50: #E0F7FA;
  --gray-50: #FAFAFA;
  --gray-100: #F5F5F5;
  --gray-200: #EEEEEE;
  --gray-900: #212121;
  --white: #FFFFFF;
  --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', sans-serif;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  color: var(--gray-900);
  background: var(--white);
  line-height: 1.6;
}

/* Navigation */
nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--gray-200);
  z-index: 1000;
  padding: 1rem 0;
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  font-size: 1.5rem;
  font-weight: 700;
  background: linear-gradient(135deg, var(--aqua-500), var(--aqua-700));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  text-decoration: none;
}

.nav-links {
  display: flex;
  list-style: none;
  gap: 2rem;
  align-items: center;
}

.nav-links a {
  text-decoration: none;
  color: var(--gray-900);
  font-weight: 500;
  transition: color 0.2s;
  font-size: 0.95rem;
}

.nav-links a:hover {
  color: var(--aqua-600);
}

/* Hero Section */
.hero {
  margin-top: 73px;
  min-height: 80vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--aqua-50) 0%, var(--white) 100%);
  padding: 4rem 1.5rem;
  text-align: center;
}

.hero-content {
  max-width: 800px;
}

.hero h1 {
  font-size: 3rem;
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 1.5rem;
  color: var(--gray-900);
}

.hero-subheadline {
  font-size: 1.5rem;
  color: #666;
  margin-bottom: 2.5rem;
  line-height: 1.6;
}

.hero-cta {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

/* Buttons */
.btn {
  padding: 1rem 2rem;
  border-radius: 12px;
  font-size: 1rem;
  font-weight: 600;
  text-decoration: none;
  display: inline-block;
  transition: transform 0.2s, box-shadow 0.2s;
  border: none;
  cursor: pointer;
}

.btn-primary {
  background: linear-gradient(135deg, var(--aqua-500), var(--aqua-700));
  color: white;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.btn-secondary {
  background: var(--white);
  color: var(--aqua-600);
  border: 2px solid var(--aqua-600);
}

.btn-secondary:hover {
  background: var(--aqua-50);
}

/* Container */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* Section Titles */
.section-title {
  text-align: center;
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 3rem;
  color: var(--gray-900);
}

/* Products Preview */
.products-preview {
  padding: 6rem 0;
  background: var(--white);
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
  margin-bottom: 3rem;
}

.product-card {
  background: var(--white);
  border-radius: 20px;
  padding: 2rem;
  box-shadow: var(--shadow);
  transition: transform 0.3s, box-shadow 0.3s;
  border: 1px solid var(--gray-200);
  text-align: center;
}

.product-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.product-image-placeholder {
  width: 100%;
  height: 200px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.5rem;
  background: var(--gray-50);
  border-radius: 12px;
}

.product-card h3 {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
  color: var(--gray-900);
}

.product-price {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--aqua-600);
  margin-bottom: 0.5rem;
}

.product-desc {
  color: #666;
  margin-bottom: 1.5rem;
  font-size: 0.95rem;
}

.product-link {
  color: var(--aqua-600);
  font-weight: 600;
  text-decoration: none;
  transition: color 0.2s;
}

.product-link:hover {
  color: var(--aqua-700);
}

.products-cta {
  text-align: center;
}

/* How It Works */
.how-it-works {
  padding: 6rem 0;
  background: var(--gray-50);
}

.steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 3rem;
}

.step {
  text-align: center;
}

.step-number {
  width: 60px;
  height: 60px;
  background: linear-gradient(135deg, var(--aqua-500), var(--aqua-700));
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  font-weight: 700;
  margin: 0 auto 1.5rem;
}

.step h3 {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 1rem;
  color: var(--gray-900);
}

.step p {
  color: #666;
  line-height: 1.6;
}

/* FAQ */
.faq {
  padding: 6rem 0;
  background: var(--white);
}

.faq-list {
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  padding: 2rem 0;
  border-bottom: 1px solid var(--gray-200);
}

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

.faq-item h3 {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
  color: var(--gray-900);
}

.faq-item p {
  color: #666;
  line-height: 1.6;
}

/* Contact */
.contact {
  padding: 6rem 0;
  background: var(--gray-50);
  text-align: center;
}

.contact h2 {
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 1rem;
  color: var(--gray-900);
}

.contact p {
  font-size: 1.125rem;
  color: #666;
  margin-bottom: 1rem;
}

.contact-email {
  font-size: 1.125rem;
}

.contact-email a {
  color: var(--aqua-600);
  font-weight: 600;
  text-decoration: none;
}

.contact-email a:hover {
  color: var(--aqua-700);
  text-decoration: underline;
}

/* Footer */
footer {
  background: var(--gray-900);
  color: white;
  padding: 3rem 0 1.5rem;
}

.footer-content {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 3rem;
  margin-bottom: 2rem;
}

.footer-section h4 {
  font-size: 1.125rem;
  font-weight: 700;
  margin-bottom: 1rem;
}

.footer-section p {
  color: rgba(255, 255, 255, 0.7);
  line-height: 1.6;
}

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

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

.footer-section ul li a {
  color: rgba(255, 255, 255, 0.7);
  text-decoration: none;
  transition: color 0.2s;
}

.footer-section ul li a:hover {
  color: var(--aqua-500);
}

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

.footer-bottom p {
  color: rgba(255, 255, 255, 0.5);
  font-size: 0.9rem;
}

/* Mobile Responsive */
@media (max-width: 768px) {
  .nav-links {
    gap: 1rem;
    font-size: 0.9rem;
  }

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

  .hero-subheadline {
    font-size: 1.25rem;
  }

  .hero-cta {
    flex-direction: column;
    align-items: stretch;
  }

  .btn {
    width: 100%;
    text-align: center;
  }

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

  .product-grid {
    grid-template-columns: 1fr;
  }

  .steps {
    grid-template-columns: 1fr;
  }

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

@media (max-width: 480px) {
  .nav-container {
    padding: 0 1rem;
  }

  .nav-links {
    gap: 0.75rem;
    font-size: 0.85rem;
  }

  .hero {
    padding: 2rem 1rem;
    min-height: 60vh;
  }

  .hero h1 {
    font-size: 1.75rem;
  }

  .hero-subheadline {
    font-size: 1.125rem;
  }

  .products-preview,
  .how-it-works,
  .faq,
  .contact {
    padding: 4rem 0;
  }
}