/* The STL App - Professional Styling */

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

body {
  font-family: -apple-system, BlinkMacSystemFont, 'SF Pro Display', 'SF Pro Text', system-ui, sans-serif;
  line-height: 1.6;
  color: #2B2B2B;
  background-color: #FEFEFE;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

/* STL App Brand Colors */
:root {
  --stl-red: #B51E36;
  --stl-cream: #FEFEFE;
  --stl-dark: #2B2B2B;
  --stl-gray: #6B7280;
  --stl-light-gray: #F3F4F6;
}

/* Navigation */
.navbar {
  background: var(--stl-cream);
  box-shadow: 0 2px 10px rgba(0,0,0,0.1);
  position: fixed;
  top: 0;
  width: 100%;
  z-index: 1000;
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 70px;
}

.nav-logo h1 {
  color: var(--stl-red);
  font-size: 1.8rem;
  font-weight: 600;
}

.nav-menu {
  display: flex;
  list-style: none;
  gap: 2rem;
}

.nav-link {
  text-decoration: none;
  color: var(--stl-dark);
  font-weight: 500;
  transition: color 0.3s ease;
}

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

.hamburger {
  display: none;
  flex-direction: column;
  cursor: pointer;
}

.bar {
  width: 25px;
  height: 3px;
  background-color: var(--stl-dark);
  margin: 3px 0;
  transition: 0.3s;
}

/* Hero Section */
.hero {
  background: linear-gradient(135deg, var(--stl-red), #D42C47);
  color: white;
  padding: 120px 0 80px;
  min-height: 100vh;
  display: flex;
  align-items: center;
}

.hero-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.hero-content h1 {
  font-size: 3.5rem;
  font-weight: 700;
  margin-bottom: 1.5rem;
  line-height: 1.2;
}

.hero-content p {
  font-size: 1.3rem;
  margin-bottom: 2.5rem;
  opacity: 0.9;
}

.hero-buttons {
  display: flex;
  gap: 1rem;
}

.btn {
  padding: 1rem 2rem;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 600;
  transition: all 0.3s ease;
  display: inline-block;
  border: 2px solid transparent;
}

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

.btn-primary:hover {
  background: var(--stl-light-gray);
  transform: translateY(-2px);
}

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

.btn-secondary:hover {
  background: white;
  color: var(--stl-red);
}

.btn-outline {
  background: transparent;
  color: var(--stl-red);
  border: 2px solid var(--stl-red);
}

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

/* Phone Mockup */
.hero-image {
  display: flex;
  justify-content: center;
  align-items: center;
}

.phone-mockup {
  width: 280px;
  height: 560px;
  background: #2B2B2B;
  border-radius: 30px;
  padding: 20px;
  box-shadow: 0 20px 60px rgba(0,0,0,0.3);
}

.phone-screen {
  width: 100%;
  height: 100%;
  background: var(--stl-cream);
  border-radius: 20px;
  overflow: hidden;
}

.app-preview {
  padding: 20px;
  height: 100%;
}

.status-bar {
  height: 20px;
  background: var(--stl-light-gray);
  border-radius: 4px;
  margin-bottom: 15px;
}

.app-header {
  text-align: center;
  font-weight: 600;
  font-size: 18px;
  color: var(--stl-dark);
  margin-bottom: 20px;
}

.month-selector {
  background: var(--stl-red);
  color: white;
  text-align: center;
  padding: 8px;
  border-radius: 8px;
  font-weight: 600;
  margin-bottom: 20px;
}

.event-card {
  background: white;
  border-radius: 8px;
  padding: 15px;
  margin-bottom: 10px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

.event-date {
  color: var(--stl-red);
  font-weight: 600;
  font-size: 14px;
}

.event-title {
  font-weight: 600;
  margin: 5px 0;
}

.event-venue {
  color: var(--stl-gray);
  font-size: 14px;
}

/* Features Section */
.features {
  padding: 100px 0;
  background: var(--stl-light-gray);
}

.features h2 {
  text-align: center;
  font-size: 2.5rem;
  margin-bottom: 3rem;
  color: var(--stl-dark);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
}

.feature-card {
  background: white;
  padding: 2rem;
  border-radius: 12px;
  text-align: center;
  box-shadow: 0 4px 20px rgba(0,0,0,0.1);
  transition: transform 0.3s ease;
}

.feature-card:hover {
  transform: translateY(-5px);
}

.feature-icon {
  font-size: 3rem;
  margin-bottom: 1rem;
}

.feature-card h3 {
  color: var(--stl-red);
  margin-bottom: 1rem;
  font-size: 1.3rem;
}

.feature-card p {
  color: var(--stl-gray);
  line-height: 1.6;
}

/* About Preview Section */
.about-preview {
  padding: 100px 0;
  background: white;
}

.about-content {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 4rem;
  align-items: center;
}

.about-text h2 {
  font-size: 2.5rem;
  margin-bottom: 1.5rem;
  color: var(--stl-dark);
}

.about-text p {
  margin-bottom: 1.5rem;
  color: var(--stl-gray);
  font-size: 1.1rem;
}

.about-stats {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.stat {
  text-align: center;
  padding: 1.5rem;
  background: var(--stl-light-gray);
  border-radius: 12px;
}

.stat h3 {
  font-size: 2.5rem;
  color: var(--stl-red);
  margin-bottom: 0.5rem;
}

.stat p {
  color: var(--stl-gray);
  font-weight: 500;
}

/* Support Preview Section */
.support-preview {
  padding: 100px 0;
  background: var(--stl-light-gray);
  text-align: center;
}

.support-preview h2 {
  font-size: 2.5rem;
  margin-bottom: 1rem;
  color: var(--stl-dark);
}

.support-preview > p {
  font-size: 1.2rem;
  color: var(--stl-gray);
  margin-bottom: 3rem;
}

.support-options {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
  max-width: 900px;
  margin: 0 auto;
}

.support-option {
  background: white;
  padding: 2rem;
  border-radius: 12px;
  box-shadow: 0 4px 20px rgba(0,0,0,0.1);
}

.support-option h3 {
  color: var(--stl-red);
  margin-bottom: 1rem;
  font-size: 1.2rem;
}

.support-option p {
  color: var(--stl-gray);
  margin-bottom: 1.5rem;
}

/* Footer */
.footer {
  background: var(--stl-dark);
  color: white;
  padding: 60px 0 30px;
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
}

.footer-section h3,
.footer-section h4 {
  color: var(--stl-red);
  margin-bottom: 1rem;
}

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

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

.footer-section a {
  color: #CCCCCC;
  text-decoration: none;
  transition: color 0.3s ease;
}

.footer-section a:hover {
  color: var(--stl-red);
}

/* Responsive Design */
@media screen and (max-width: 768px) {
  .hamburger {
      display: flex;
  }
  
  .nav-menu {
      position: fixed;
      left: -100%;
      top: 70px;
      flex-direction: column;
      background-color: var(--stl-cream);
      width: 100%;
      text-align: center;
      transition: 0.3s;
      box-shadow: 0 10px 27px rgba(0,0,0,0.05);
      padding: 2rem 0;
  }
  
  .nav-menu.active {
      left: 0;
  }
  
  .hero-container {
      grid-template-columns: 1fr;
      text-align: center;
      gap: 2rem;
  }
  
  .hero-content h1 {
      font-size: 2.5rem;
  }
  
  .phone-mockup {
      width: 240px;
      height: 480px;
  }
  
  .about-content {
      grid-template-columns: 1fr;
      text-align: center;
  }
  
  .about-stats {
      flex-direction: row;
      justify-content: space-around;
  }
  
  .features-grid {
      grid-template-columns: 1fr;
  }
  
  .support-options {
      grid-template-columns: 1fr;
  }
  
  .hero-buttons {
      flex-direction: column;
      align-items: center;
  }
}