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

:root {
  --bg-primary: #0B0D12;
  --text-primary: #EEF2F7;
  --text-muted: #9AA5B1;
  --gradient-start: #00B8D4;
  --gradient-end: #2D4272;
  --accent-purple: #8B5CFF;
  --card-bg: #12151C;
  --border-color: rgba(255, 255, 255, 0.06);
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2rem;
  --spacing-xl: 3rem;
  --spacing-2xl: 4rem;
  --spacing-3xl: 6rem;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Space Grotesk', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
}

/* Hide landing UI when entered */
body.entered header,
body.entered section,
body.entered footer {
  display: none;
}

/* Container */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
}

@media (max-width: 768px) {
  .container {
    padding: 0 var(--spacing-md);
  }
}

/* Header */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: #FFFFFF;
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(0, 184, 212, 0.15);
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.08);
}

.header-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-md) 0;
}

.logo-link {
  display: block;
  line-height: 0;
  transition: all 0.3s ease;
}

.logo-link:hover {
  opacity: 0.8;
  transform: translateY(-1px);
}

.logo {
  height: 40px;
  width: auto;
  display: block;
}

.nav {
  display: flex;
  gap: var(--spacing-xl);
  align-items: center;
}

.nav-link {
  color: #2D4272;
  text-decoration: none;
  font-weight: 600;
  font-size: 0.95rem;
  transition: all 0.2s ease;
  position: relative;
}

.nav-link:hover {
  color: #00B8D4;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--gradient-start), var(--gradient-end));
  transition: width 0.3s ease;
}

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

@media (max-width: 768px) {
  .nav {
    gap: var(--spacing-md);
    font-size: 0.85rem;
  }
}

@media (max-width: 600px) {
  .header-content {
    flex-direction: column;
    gap: var(--spacing-md);
  }
  
  .nav {
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--spacing-sm);
  }
}

/* Hero Section */
.hero {
  min-height: 85vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: var(--spacing-3xl) 0;
}

.hero-content {
  max-width: 900px;
}

.hero-title {
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  font-weight: 700;
  line-height: 1.1;
  margin-bottom: var(--spacing-lg);
  background: linear-gradient(135deg, var(--text-primary) 0%, var(--gradient-start) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: clamp(1.1rem, 2vw, 1.35rem);
  color: var(--text-muted);
  margin-bottom: var(--spacing-xl);
  font-weight: 400;
}

.hero-hint {
  margin-top: var(--spacing-lg);
  font-size: 0.9rem;
  color: var(--text-muted);
  opacity: 0.7;
}

/* Buttons */
.btn-primary {
  background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
  color: white;
  font-weight: 600;
  font-size: 1.1rem;
  padding: 1rem 2.5rem;
  border: none;
  border-radius: 12px;
  cursor: pointer;
  transition: all 0.3s ease;
  box-shadow: 0 8px 24px rgba(94, 225, 255, 0.2);
  position: relative;
  overflow: hidden;
}

.btn-primary::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.1), rgba(255, 255, 255, 0));
  opacity: 0;
  transition: opacity 0.3s ease;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 32px rgba(94, 225, 255, 0.3);
}

.btn-primary:hover::before {
  opacity: 1;
}

.btn-primary:active {
  transform: translateY(0);
}

/* Section */
.section {
  padding: var(--spacing-3xl) 0;
  border-top: 1px solid var(--border-color);
}

.section-title {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  margin-bottom: var(--spacing-xl);
  text-align: center;
}

/* About Section */
.about-description {
  text-align: center;
  max-width: 800px;
  margin: 0 auto var(--spacing-2xl);
  font-size: 1.15rem;
  line-height: 1.7;
  color: var(--text-muted);
}

.founders-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-xl);
  margin-top: var(--spacing-2xl);
}

.founder-card {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: var(--spacing-xl);
  transition: all 0.3s ease;
  text-align: center;
}

.founder-card:hover {
  border-color: rgba(94, 225, 255, 0.3);
  transform: translateY(-4px);
}

.founder-photo {
  width: 120px;
  height: 120px;
  border-radius: 50%;
  object-fit: cover;
  margin: 0 auto var(--spacing-lg);
  border: 3px solid var(--gradient-start);
  box-shadow: 0 4px 12px rgba(0, 184, 212, 0.2);
}

.founder-info {
  margin-bottom: var(--spacing-md);
  padding-bottom: var(--spacing-md);
  border-bottom: 1px solid var(--border-color);
}

.founder-name {
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: var(--spacing-xs);
}

.founder-title {
  color: var(--gradient-start);
  font-weight: 500;
  font-size: 0.95rem;
}

.founder-bio {
  color: var(--text-muted);
  line-height: 1.6;
}

/* Capabilities Section */
.pills-container {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--spacing-md);
  margin-top: var(--spacing-xl);
}

.pill {
  background: rgba(94, 225, 255, 0.1);
  border: 1px solid rgba(94, 225, 255, 0.3);
  color: var(--gradient-start);
  padding: 0.75rem 1.5rem;
  border-radius: 50px;
  font-weight: 500;
  font-size: 0.95rem;
  transition: all 0.3s ease;
  white-space: nowrap;
}

.pill:hover {
  background: rgba(94, 225, 255, 0.15);
  border-color: var(--gradient-start);
  transform: translateY(-2px);
}

/* BaseHive Section */
.basehive-section {
  background: var(--card-bg);
}

.basehive-intro {
  text-align: center;
  max-width: 700px;
  margin: 0 auto var(--spacing-2xl);
  font-size: 1.1rem;
  color: var(--text-muted);
  line-height: 1.7;
}

.basehive-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--spacing-2xl);
  margin-bottom: var(--spacing-2xl);
}

.basehive-column {
  background: rgba(94, 225, 255, 0.03);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: var(--spacing-xl);
}

.column-title {
  font-size: 1.3rem;
  font-weight: 600;
  margin-bottom: var(--spacing-md);
  color: var(--gradient-start);
}

.basehive-list {
  list-style: none;
}

.basehive-list li {
  padding: var(--spacing-sm) 0;
  color: var(--text-muted);
  position: relative;
  padding-left: var(--spacing-lg);
}

.basehive-list li::before {
  content: '→';
  position: absolute;
  left: 0;
  color: var(--gradient-start);
  font-weight: 600;
}

.basehive-cta {
  text-align: center;
  margin-top: var(--spacing-2xl);
}

/* Contact Section */
.contact-form {
  max-width: 600px;
  margin: 0 auto;
}

.form-group {
  margin-bottom: var(--spacing-lg);
}

.form-label {
  display: block;
  margin-bottom: var(--spacing-xs);
  color: var(--text-primary);
  font-weight: 500;
}

.form-input,
.form-textarea {
  width: 100%;
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 0.875rem 1rem;
  color: var(--text-primary);
  font-family: inherit;
  font-size: 1rem;
  transition: all 0.3s ease;
}

.form-input:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--gradient-start);
  box-shadow: 0 0 0 3px rgba(94, 225, 255, 0.1);
}

.form-textarea {
  resize: vertical;
  min-height: 120px;
}

.form-status {
  margin-top: var(--spacing-md);
  padding: var(--spacing-md);
  border-radius: 8px;
  text-align: center;
  font-weight: 500;
  display: none;
}

.form-status.success {
  display: block;
  background: rgba(94, 225, 255, 0.1);
  border: 1px solid rgba(94, 225, 255, 0.3);
  color: var(--gradient-start);
}

.form-status.error {
  display: block;
  background: rgba(239, 68, 68, 0.1);
  border: 1px solid rgba(239, 68, 68, 0.3);
  color: #ef4444;
}

/* Footer */
.footer {
  padding: var(--spacing-2xl) 0;
  text-align: center;
  border-top: 1px solid var(--border-color);
}

.footer-text {
  color: var(--text-muted);
  font-size: 0.9rem;
}

/* Loading Overlay */
.overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--bg-primary);
  display: none;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  z-index: 9999;
}

.overlay.active {
  display: flex;
}

.spinner {
  width: 60px;
  height: 60px;
  border: 4px solid rgba(94, 225, 255, 0.2);
  border-top-color: var(--gradient-start);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

.overlay-text {
  margin-top: var(--spacing-lg);
  font-size: 1.2rem;
  color: var(--text-primary);
  font-weight: 500;
}

/* Responsive Adjustments */
@media (max-width: 768px) {
  .section {
    padding: var(--spacing-2xl) 0;
  }
  
  .hero {
    min-height: 70vh;
    padding: var(--spacing-2xl) 0;
  }
  
  .btn-primary {
    padding: 0.875rem 2rem;
    font-size: 1rem;
  }
  
  .founders-grid,
  .basehive-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
  }
}

@media (max-width: 480px) {
  .pills-container {
    gap: var(--spacing-sm);
  }
  
  .pill {
    padding: 0.625rem 1.25rem;
    font-size: 0.875rem;
  }
}