/* WaterSUPway - Main Styles */
* { margin: 0; padding: 0; box-sizing: border-box; }

:root {
  --primary: #00c8e0;
  --secondary: #00e5a0;
  --dark-navy: #0a2540;
  --wave-blue: #1a6b8a;
  --accent-orange: #ff7a45;
  --bg-light: #f5f7fa;
  --text-primary: #fff;
  --text-secondary: rgba(255,255,255,0.8);
  --text-muted: rgba(255,255,255,0.6);
  --border-color: rgba(0,200,224,0.2);
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Manrope', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: linear-gradient(180deg, var(--dark-navy) 0%, var(--wave-blue) 50%, #0f4d6d 100%);
  color: var(--text-primary);
  overflow-x: hidden;
  min-height: 100vh;
}

/* Wave background animation */
@keyframes wave {
  0% { transform: translateX(0); }
  100% { transform: translateX(100px); }
}

.wave-bg {
  position: fixed;
  top: 0;
  left: 0;
  width: 200%;
  height: 100%;
  background: url("data:image/svg+xml,%3Csvg width='100' height='100' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M0,50 Q25,30 50,50 T100,50' fill='none' stroke='%2300c8e0' stroke-width='0.5' opacity='0.1'/%3E%3Cpath d='M0,60 Q25,40 50,60 T100,60' fill='none' stroke='%2300e5a0' stroke-width='0.3' opacity='0.08'/%3E%3C/svg%3E");
  animation: wave 20s linear infinite;
  pointer-events: none;
  z-index: 0;
}

/* Header and Navigation */
header {
  position: sticky;
  top: 0;
  background: rgba(10, 37, 64, 0.95);
  backdrop-filter: blur(12px);
  padding: 16px 40px;
  border-bottom: 1px solid var(--border-color);
  z-index: 100;
}

.header-content {
  max-width: 1400px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  font-size: 22px;
  font-weight: 800;
  color: var(--primary);
  letter-spacing: -0.5px;
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 10px;
  transition: opacity 0.3s;
}

.logo:hover {
  opacity: 0.8;
}

.logo-icon {
  width: 36px;
  height: 36px;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 900;
  font-size: 18px;
}

.nav-main {
  display: flex;
  gap: 32px;
  align-items: center;
  flex: 1;
  margin-left: 60px;
}

.nav-main a {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 14px;
  font-weight: 500;
  transition: all 0.3s;
  position: relative;
  padding: 6px 0;
}

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

.nav-main a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--primary);
  transition: width 0.3s;
}

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

.header-actions {
  display: flex;
  gap: 16px;
  align-items: center;
}

.btn {
  padding: 10px 24px;
  border: none;
  border-radius: var(--radius-xl);
  font-weight: 600;
  cursor: pointer;
  font-size: 14px;
  transition: all 0.3s;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  color: var(--dark-navy);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 24px rgba(0, 200, 224, 0.3);
}

.btn-secondary {
  background: transparent;
  border: 1.5px solid var(--primary);
  color: var(--primary);
}

.btn-secondary:hover {
  background: rgba(0, 200, 224, 0.1);
}

.user-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  cursor: pointer;
  transition: transform 0.3s;
}

.user-avatar:hover {
  transform: scale(1.1);
}

/* Main content */
main {
  position: relative;
  z-index: 1;
}

.container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 40px;
}

/* Section title */
.section-title {
  font-size: 48px;
  font-weight: 800;
  margin-bottom: 64px;
  color: var(--text-primary);
}

.section-title span {
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* Cards */
.card {
  background: rgba(26, 107, 138, 0.6);
  backdrop-filter: blur(10px);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 24px;
  transition: all 0.3s;
}

.card:hover {
  background: rgba(26, 107, 138, 0.9);
  border-color: var(--primary);
  transform: translateY(-4px);
}

.card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 16px;
}

.card-title {
  font-size: 18px;
  font-weight: 700;
  color: var(--secondary);
}

/* Grid layouts */
.grid {
  display: grid;
  gap: 24px;
}

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

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

.grid-4 {
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
}

/* Forms */
.form-group {
  margin-bottom: 24px;
}

.form-group label {
  display: block;
  margin-bottom: 8px;
  font-weight: 500;
  font-size: 14px;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 12px 16px;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-family: inherit;
  font-size: 14px;
  transition: all 0.3s;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  background: rgba(255, 255, 255, 0.15);
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(0, 200, 224, 0.2);
}

/* Badges */
.badge {
  display: inline-block;
  padding: 6px 12px;
  border-radius: var(--radius-md);
  font-size: 12px;
  font-weight: 600;
}

.badge-primary {
  background: rgba(0, 200, 224, 0.2);
  color: var(--primary);
}

.badge-success {
  background: rgba(0, 229, 160, 0.2);
  color: var(--secondary);
}

.badge-warning {
  background: rgba(255, 122, 69, 0.2);
  color: var(--accent-orange);
}

/* Footer */
footer {
  background: rgba(10, 37, 64, 0.95);
  border-top: 1px solid var(--border-color);
  padding: 60px 40px;
  margin-top: 120px;
  position: relative;
  z-index: 1;
}

.footer-content {
  max-width: 1400px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 40px;
}

.footer-section h4 {
  font-size: 13px;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 16px;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.footer-section a {
  display: block;
  color: var(--text-muted);
  text-decoration: none;
  font-size: 13px;
  margin-bottom: 10px;
  transition: color 0.3s;
}

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

.footer-bottom {
  max-width: 1400px;
  margin: 40px auto 0;
  padding-top: 40px;
  border-top: 1px solid var(--border-color);
  text-align: center;
  color: var(--text-muted);
  font-size: 12px;
}

/* Animations */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.animate-up {
  animation: fadeInUp 0.6s ease-out;
}

/* Responsive */
@media (max-width: 768px) {
  .container { padding: 0 20px; }
  .nav-main { margin-left: 0; gap: 16px; display: none; }
  .section-title { font-size: 32px; }
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .footer-content { grid-template-columns: repeat(2, 1fr); }
  .header-content { flex-wrap: wrap; gap: 16px; }
}