/* Reset and Base Styles */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --color-primary: #1a1a2e;
  --color-secondary: #16213e;
  --color-accent: #6366f1;
  --color-accent-hover: #4f46e5;
  --color-text: #1f2937;
  --color-text-light: #6b7280;
  --color-text-muted: #9ca3af;
  --color-bg: #ffffff;
  --color-bg-alt: #f8fafc;
  --color-border: #e5e7eb;
  --shadow-sm: 0 1px 2px 0 rgba(0,0,0,0.05);
  --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.1), 0 2px 4px -2px rgba(0,0,0,0.1);
  --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.1), 0 4px 6px -4px rgba(0,0,0,0.1);
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --transition: all 0.3s ease;
}

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  color: var(--color-text);
  background-color: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

h1, h2, h3 {
  font-weight: 700;
  line-height: 1.2;
}

.section-title {
  font-size: 2rem;
  color: var(--color-primary);
  margin-bottom: 1.5rem;
  text-align: center;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 28px;
  font-size: 1rem;
  font-weight: 500;
  text-decoration: none;
  border-radius: var(--radius-md);
  transition: var(--transition);
  cursor: pointer;
  border: none;
}

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

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

/* Header */
.header {
  position: fixed;
  top: 0; left: 0; right: 0;
  background-color: rgba(255,255,255,0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-border);
  z-index: 1000;
  transition: var(--transition);
}

.header-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.logo {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-primary);
  text-decoration: none;
  letter-spacing: -0.5px;
}

.nav {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav-link {
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--color-text);
  text-decoration: none;
  transition: var(--transition);
  position: relative;
}

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

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

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

/* Mobile Menu */
.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}

.menu-toggle span {
  display: block;
  width: 24px; height: 2px;
  background-color: var(--color-primary);
  transition: var(--transition);
}

.menu-toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px,5px);
}
.menu-toggle.active span:nth-child(2) {
  opacity: 0;
}
.menu-toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px,-5px);
}

/* Hero */
.hero {
  padding: 160px 0 100px;
  background: linear-gradient(135deg, var(--color-bg) 0%, var(--color-bg-alt) 100%);
  text-align: center;
}

.hero-content {
  max-width: 800px;
  margin: 0 auto;
}

.hero-title {
  font-size: 3rem;
  color: var(--color-primary);
  letter-spacing: -1px;
  margin-bottom: 1.5rem;
}

.hero-subtitle {
  font-size: 1.125rem;
  color: var(--color-text-light);
  margin-bottom: 2rem;
  line-height: 1.7;
}

/* About */
.about {
  padding: 80px 0;
  background-color: var(--color-bg);
}

.about-text {
  max-width: 720px;
  margin: 0 auto;
  font-size: 1.125rem;
  color: var(--color-text-light);
  text-align: center;
  line-height: 1.8;
}

/* Coming Soon */
.coming-soon {
  padding: 80px 0;
  background-color: var(--color-bg-alt);
}

.coming-soon-content {
  max-width: 640px;
  margin: 0 auto;
  text-align: center;
}

.coming-soon-text {
  font-size: 1.125rem;
  color: var(--color-text-light);
  margin-bottom: 2rem;
  line-height: 1.7;
}

/* Contact */
.contact {
  padding: 80px 0;
  background-color: var(--color-bg);
}

.contact-content {
  display: flex;
  justify-content: center;
  gap: 64px;
  flex-wrap: wrap;
  margin-top: 48px;
}

.contact-item {
  display: flex;
  align-items: center;
  gap: 16px;
}

.contact-icon {
  width: 56px;
  height: 56px;
  background-color: var(--color-bg-alt);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-accent);
}

.contact-icon svg {
  width: 24px;
  height: 24px;
}

.contact-info {
  display: flex;
  flex-direction: column;
}

.contact-label {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  margin-bottom: 4px;
}

.contact-value {
  font-size: 1.125rem;
  font-weight: 500;
  color: var(--color-primary);
  text-decoration: none;
  transition: var(--transition);
}

.contact-value:hover {
  color: var(--color-accent);
}

/* Footer */
.footer {
  padding: 32px 0;
  background-color: var(--color-primary);
  color: white;
}

.footer-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
}

.copyright {
  font-size: 0.875rem;
  color: rgba(255,255,255,0.7);
}

.privacy-link {
  font-size: 0.875rem;
  color: rgba(255,255,255,0.7);
  text-decoration: none;
  transition: var(--transition);
}

.privacy-link:hover {
  color: white;
}

/* Responsive */
@media (max-width: 768px) {
  .menu-toggle {
    display: flex;
  }

  .nav {
    position: fixed;
    top: 72px; left: 0; right: 0;
    background-color: var(--color-bg);
    flex-direction: column;
    padding: 24px;
    gap: 16px;
    border-bottom: 1px solid var(--color-border);
    transform: translateY(-100%);
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
  }

  .nav.active {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }

  .hero {
    padding: 120px 0 80px;
  }

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

  .section-title {
    font-size: 1.75rem;
  }

  .contact-content {
    flex-direction: column;
    align-items: center;
    gap: 32px;
  }

  .footer-content {
    flex-direction: column;
    text-align: center;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 16px;
  }

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

/* Privacy Policy Page */
.privacy-page {
  padding-top: 120px;
  padding-bottom: 80px;
  background-color: var(--color-bg);
  min-height: 100vh;
}

.privacy-page .section-title {
  text-align: left;
  margin-bottom: 2rem;
}

.privacy-content {
  max-width: 800px;
  margin: 0 auto;
}

.privacy-content h3 {
  font-size: 1.25rem;
  color: var(--color-primary);
  margin: 2rem 0 1rem;
}

.privacy-content p {
  color: var(--color-text-light);
  margin-bottom: 1rem;
  line-height: 1.7;
}

.privacy-content ul {
  margin: 1rem 0 1rem 1.5rem;
  color: var(--color-text-light);
}

.privacy-content li {
  margin-bottom: 0.5rem;
  line-height: 1.6;
}

.privacy-content a {
  color: var(--color-accent);
  text-decoration: none;
}

.privacy-content a:hover {
  text-decoration: underline;
}

.privacy-date {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  margin-bottom: 2rem;
}