/* FitBreak Website Styles */

/* CSS Variables */
:root {
  --primary: #5e72e4;
  --primary-dark: #4a5fc1;
  --secondary: #2dce89;
  --accent: #fb6340;
  --dark: #172b4d;
  --light: #f8f9fe;
  --white: #ffffff;
  --gray-100: #f8f9fa;
  --gray-200: #e9ecef;
  --gray-300: #dee2e6;
  --gray-400: #ced4da;
  --gray-500: #adb5bd;
  --gray-600: #6c757d;
  --gray-700: #495057;
  --gray-800: #343a40;
  --gray-900: #212529;
  
  --gradient-primary: linear-gradient(135deg, var(--primary), var(--secondary));
  --gradient-accent: linear-gradient(135deg, var(--accent), #fd7f28);
  
  --shadow-sm: 0 2px 4px rgba(0,0,0,0.1);
  --shadow-md: 0 4px 6px rgba(0,0,0,0.1);
  --shadow-lg: 0 10px 15px rgba(0,0,0,0.1);
  --shadow-xl: 0 20px 25px rgba(0,0,0,0.1);
  
  --border-radius: 8px;
  --border-radius-lg: 12px;
  --border-radius-xl: 16px;
  
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-fast: all 0.15s cubic-bezier(0.4, 0, 0.2, 1);
  
  --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.25rem;
  --font-size-2xl: 1.5rem;
  --font-size-3xl: 1.875rem;
  --font-size-4xl: 2.25rem;
  --font-size-5xl: 3rem;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  line-height: 1.6;
  color: var(--gray-800);
  background-color: var(--white);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-weight: 600;
  line-height: 1.2;
  color: var(--dark);
  margin-bottom: 1rem;
}

h1 { font-size: var(--font-size-4xl); }
h2 { font-size: var(--font-size-3xl); }
h3 { font-size: var(--font-size-2xl); }
h4 { font-size: var(--font-size-xl); }
h5 { font-size: var(--font-size-lg); }
h6 { font-size: var(--font-size-base); }

p {
  margin-bottom: 1rem;
  color: var(--gray-600);
}

a {
  color: var(--primary);
  text-decoration: none;
  transition: var(--transition-fast);
}

a:hover {
  color: var(--primary-dark);
}

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

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  font-size: var(--font-size-base);
  font-weight: 500;
  text-decoration: none;
  border: none;
  border-radius: var(--border-radius);
  cursor: pointer;
  transition: var(--transition);
  white-space: nowrap;
}

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

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

.btn-secondary {
  background: var(--white);
  color: var(--gray-700);
  border: 2px solid var(--gray-200);
}

.btn-secondary:hover {
  border-color: var(--primary);
  color: var(--primary);
  transform: translateY(-1px);
}

.btn-large {
  padding: 1rem 2rem;
  font-size: var(--font-size-lg);
}

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

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 70px;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 600;
  font-size: var(--font-size-lg);
  color: var(--dark);
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.nav-link {
  font-weight: 500;
  color: var(--gray-700);
  transition: var(--transition-fast);
}

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

.nav-cta {
  background: var(--gradient-primary);
  color: var(--white) !important;
  padding: 0.5rem 1rem;
  border-radius: var(--border-radius);
}

.nav-cta:hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

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

.bar {
  width: 25px;
  height: 3px;
  background: var(--gray-700);
  margin: 3px 0;
  transition: var(--transition-fast);
}

/* Hero Section */
.hero {
  padding: 120px 0 80px;
  background: linear-gradient(135deg, var(--light) 0%, rgba(94, 114, 228, 0.05) 100%);
  overflow: hidden;
}

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

.hero-title {
  font-size: var(--font-size-5xl);
  font-weight: 700;
  line-height: 1.1;
  margin-bottom: 1.5rem;
}

.gradient-text {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-description {
  font-size: var(--font-size-lg);
  color: var(--gray-600);
  margin-bottom: 2rem;
  line-height: 1.7;
}

.hero-buttons {
  display: flex;
  gap: 1rem;
  margin-bottom: 3rem;
}

.hero-stats {
  display: flex;
  gap: 2rem;
}

.stat {
  text-align: center;
}

.stat-number {
  display: block;
  font-size: var(--font-size-xl);
  font-weight: 700;
  color: var(--primary);
}

.stat-label {
  font-size: var(--font-size-sm);
  color: var(--gray-500);
}

.hero-visual {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
}

.hero-image {
  position: relative;
  max-width: 500px;
}

.screenshot {
  width: 100%;
  height: auto;
  border-radius: var(--border-radius-xl);
  box-shadow: var(--shadow-xl);
}

.floating-card {
  position: absolute;
  background: var(--white);
  border-radius: var(--border-radius-lg);
  padding: 1rem;
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  gap: 0.75rem;
  animation: float 3s ease-in-out infinite;
}

.card-1 {
  top: 20%;
  left: -20%;
  animation-delay: 0s;
}

.card-2 {
  bottom: 20%;
  right: -20%;
  animation-delay: 1.5s;
}

.card-icon {
  font-size: 1.5rem;
}

.card-title {
  font-weight: 600;
  font-size: var(--font-size-sm);
  color: var(--dark);
}

.card-subtitle {
  font-size: var(--font-size-xs);
  color: var(--gray-500);
}

@keyframes float {
  0%, 100% { transform: translateY(0px); }
  50% { transform: translateY(-10px); }
}

/* Features Section */
.features {
  padding: 80px 0;
  background: var(--white);
}

.section-header {
  text-align: center;
  margin-bottom: 4rem;
}

.section-title {
  font-size: var(--font-size-3xl);
  margin-bottom: 1rem;
}

.section-description {
  font-size: var(--font-size-lg);
  color: var(--gray-600);
  max-width: 600px;
  margin: 0 auto;
}

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

.feature-card {
  text-align: center;
  padding: 2rem;
  border-radius: var(--border-radius-lg);
  background: var(--white);
  border: 1px solid var(--gray-200);
  transition: var(--transition);
}

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

.feature-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 64px;
  height: 64px;
  background: var(--gradient-primary);
  border-radius: 50%;
  margin-bottom: 1.5rem;
  color: var(--white);
}

.feature-title {
  font-size: var(--font-size-xl);
  margin-bottom: 1rem;
}

.feature-description {
  color: var(--gray-600);
  line-height: 1.7;
}

/* Install Section */
.install {
  padding: 80px 0;
  background: var(--gradient-primary);
  color: var(--white);
  text-align: center;
}

.install-title {
  font-size: var(--font-size-3xl);
  color: var(--white);
  margin-bottom: 1rem;
}

.install-description {
  font-size: var(--font-size-lg);
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: 2rem;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.install-button {
  margin-bottom: 1.5rem;
}

.install-note {
  color: rgba(255, 255, 255, 0.8);
  font-size: var(--font-size-sm);
}

/* Support Section */
.support-section {
  padding: 80px 0;
  background: var(--gray-100);
  width: 100%;
  clear: both;
}

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

.support-title {
  font-size: var(--font-size-3xl);
  color: var(--dark);
  margin-bottom: 3rem;
  text-align: center;
}

.support-grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 2rem;
  margin-top: 2rem;
  max-width: 1200px;
  margin-left: auto;
  margin-right: auto;
  width: 100%;
}

/* CSS Grid support */
@supports (display: grid) {
  .support-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    justify-content: center;
  }
}

.support-card {
  background: var(--white);
  padding: 2.5rem 2rem;
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-md);
  text-align: center;
  transition: var(--transition);
  border: 1px solid var(--gray-200);
  position: relative;
  overflow: hidden;
  box-sizing: border-box;
  min-height: 280px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  flex: 1;
  min-width: 280px;
  max-width: 350px;
}

.support-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--gradient-primary);
}

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

.support-icon {
  font-size: 3.5rem;
  margin-bottom: 1.5rem;
  display: block;
}

.support-card h3 {
  color: var(--dark);
  margin-bottom: 1rem;
  font-size: var(--font-size-xl);
  font-weight: 600;
}

.support-card p {
  color: var(--gray-600);
  margin-bottom: 2rem;
  line-height: 1.7;
  font-size: var(--font-size-base);
}

.support-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  background: var(--primary);
  color: var(--white);
  padding: 1rem 2rem;
  border-radius: var(--border-radius);
  text-decoration: none;
  font-weight: 600;
  font-size: var(--font-size-base);
  transition: var(--transition);
  min-width: 180px;
}

.support-link:hover {
  background: var(--primary-dark);
  color: var(--white);
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(94, 114, 228, 0.3);
}

.donate-link {
  background: linear-gradient(135deg, #ff6b35, #f7931e);
  position: relative;
  overflow: hidden;
}

.donate-link:hover {
  background: linear-gradient(135deg, #e55a2b, #e8851a);
  box-shadow: 0 8px 25px rgba(255, 107, 53, 0.4);
}

/* Footer */
.footer {
  background: var(--dark);
  color: var(--white);
  padding: 3rem 0 1rem;
}

.footer-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 2rem;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 600;
  font-size: var(--font-size-lg);
}

.footer-links {
  display: flex;
  gap: 2rem;
}

.footer-links a {
  color: var(--gray-400);
  transition: var(--transition-fast);
}

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

.footer-bottom {
  text-align: center;
  padding-top: 2rem;
  border-top: 1px solid var(--gray-700);
  color: var(--gray-400);
  font-size: var(--font-size-sm);
}

/* Responsive Design */
@media (max-width: 768px) {
  .nav-menu {
    position: fixed;
    left: -100%;
    top: 70px;
    flex-direction: column;
    background-color: var(--white);
    width: 100%;
    text-align: center;
    transition: var(--transition);
    box-shadow: var(--shadow-lg);
    padding: 2rem 0;
  }
  
  .nav-menu.active {
    left: 0;
  }
  
  .nav-toggle {
    display: flex;
  }
  
  .hero-content {
    grid-template-columns: 1fr;
    gap: 2rem;
    text-align: center;
  }
  
  .hero-title {
    font-size: var(--font-size-3xl);
  }
  
  .hero-buttons {
    flex-direction: column;
    align-items: center;
  }
  
  .hero-stats {
    justify-content: center;
  }
  
  .floating-card {
    display: none;
  }
  
  .features-grid {
    grid-template-columns: 1fr;
  }
  
  .footer-content {
    flex-direction: column;
    gap: 1rem;
    text-align: center;
  }
  
  .footer-links {
    flex-wrap: wrap;
    justify-content: center;
  }

  .support-grid {
    flex-direction: column;
    align-items: center;
    gap: 1.5rem;
    margin-top: 1.5rem;
  }

  @supports (display: grid) {
    .support-grid {
      display: grid;
      grid-template-columns: 1fr;
      align-items: stretch;
    }
  }

  .support-card {
    padding: 2rem 1.5rem;
    width: 100%;
    max-width: 400px;
    min-width: auto;
  }

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

  .support-card h3 {
    font-size: var(--font-size-lg);
  }

  .support-link {
    padding: 0.875rem 1.5rem;
    font-size: var(--font-size-sm);
    min-width: 160px;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 1rem;
  }
  
  .hero {
    padding: 100px 0 60px;
  }
  
  .hero-title {
    font-size: var(--font-size-2xl);
  }
  
  .btn {
    padding: 0.625rem 1.25rem;
    font-size: var(--font-size-sm);
  }
  
  .btn-large {
    padding: 0.875rem 1.75rem;
    font-size: var(--font-size-base);
  }
}