/* ==============================================================================
   Solutions Landing Page CSS (/solutions)
   Dark-Mode Glassmorphism, Micro-Animations & Mobile-First Responsive Design
   ============================================================================== */

:root {
  --sol-bg-primary: #07090e;
  --sol-bg-card: rgba(15, 20, 30, 0.75);
  --sol-bg-card-hover: rgba(22, 28, 42, 0.9);
  --sol-border: rgba(255, 255, 255, 0.08);
  --sol-text-primary: #f8fafc;
  --sol-text-secondary: #94a3b8;
  --sol-text-muted: #64748b;

  --color-cyan: #06b6d4;
  --color-cyan-glow: rgba(6, 182, 212, 0.35);
  --color-purple: #8b5cf6;
  --color-purple-glow: rgba(139, 92, 246, 0.35);
  --color-amber: #f59e0b;
  --color-amber-glow: rgba(245, 158, 11, 0.35);
  --color-emerald: #10b981;
  --color-emerald-glow: rgba(16, 185, 129, 0.35);

  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

html {
  scroll-behavior: smooth;
}

body.solutions-body {
  margin: 0;
  padding: 0;
  background-color: var(--sol-bg-primary);
  background-image: 
    radial-gradient(ellipse 70% 40% at 50% 0%, rgba(14, 165, 233, 0.12), transparent 70%),
    radial-gradient(ellipse 50% 30% at 80% 50%, rgba(139, 92, 246, 0.08), transparent 60%),
    radial-gradient(circle at 50% 50%, rgba(255, 255, 255, 0.015) 1px, transparent 1px);
  background-size: 100% 100%, 100% 100%, 28px 28px;
  color: var(--sol-text-primary);
  font-family: var(--font-sans);
  min-height: 100vh;
  min-height: 100dvh;
  -webkit-font-smoothing: antialiased;
}

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

/* ==============================================================================
   Top Mini Bar / Brand Header
   ============================================================================== */
.sol-top-nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.sol-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--sol-text-primary);
  font-weight: 700;
  font-size: 1.05rem;
}

.sol-brand-icon {
  font-size: 1.25rem;
  filter: drop-shadow(0 0 8px rgba(6, 182, 212, 0.4));
}

.sol-back-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.85rem;
  color: var(--sol-text-secondary);
  text-decoration: none;
  padding: 6px 12px;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.06);
  transition: all 0.2s ease;
}

.sol-back-link:hover {
  color: var(--sol-text-primary);
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.15);
}

/* ==============================================================================
   Single Screen Solutions Main Section
   ============================================================================== */
.sol-main-section {
  padding: 32px 0 60px;
}

.sol-header {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 32px;
}

.sol-header-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 5px 14px;
  background: rgba(6, 182, 212, 0.08);
  border: 1px solid rgba(6, 182, 212, 0.25);
  border-radius: 9999px;
  font-size: 0.8rem;
  font-weight: 600;
  color: #38bdf8;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  margin-bottom: 14px;
  box-shadow: 0 0 16px rgba(6, 182, 212, 0.12);
  animation: badgePulse 3s infinite ease-in-out;
}

@keyframes badgePulse {
  0%, 100% {
    box-shadow: 0 0 14px rgba(6, 182, 212, 0.12);
  }
  50% {
    box-shadow: 0 0 22px rgba(6, 182, 212, 0.28);
  }
}

.sol-title {
  font-size: clamp(2rem, 4.5vw, 3rem);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.03em;
  margin: 0 0 12px;
  background: linear-gradient(180deg, #ffffff 40%, #94a3b8 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.sol-subtitle {
  font-size: clamp(0.95rem, 1.8vw, 1.15rem);
  line-height: 1.5;
  color: var(--sol-text-secondary);
  margin: 0 auto;
  font-weight: 400;
}

.sol-cards-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

@media (max-width: 1080px) {
  .sol-cards-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 640px) {
  .sol-cards-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }
}

/* Individual Solution Card */
.sol-card {
  position: relative;
  background: var(--sol-bg-card);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-radius: 18px;
  padding: 26px 22px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  border: 1px solid var(--sol-border);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.4);
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  overflow: hidden;
}

.sol-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: transparent;
  transition: all 0.3s ease;
}

.sol-card:hover {
  transform: translateY(-4px);
  background: var(--sol-bg-card-hover);
  border-color: rgba(255, 255, 255, 0.16);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.55);
}

/* Color Accents per Card */
.card-service {
  border-color: rgba(6, 182, 212, 0.22);
}
.card-service::before {
  background: linear-gradient(90deg, #06b6d4, #38bdf8);
}
.card-service:hover {
  box-shadow: 0 16px 36px -8px var(--color-cyan-glow);
}

.card-selfhost {
  border-color: rgba(139, 92, 246, 0.25);
}
.card-selfhost::before {
  background: linear-gradient(90deg, #8b5cf6, #c084fc);
}
.card-selfhost:hover {
  box-shadow: 0 16px 36px -8px var(--color-purple-glow);
}

.card-engineer {
  border-color: rgba(245, 158, 11, 0.25);
}
.card-engineer::before {
  background: linear-gradient(90deg, #f59e0b, #fbbf24);
}
.card-engineer:hover {
  box-shadow: 0 16px 36px -8px var(--color-amber-glow);
}

.card-club {
  border-color: rgba(16, 185, 129, 0.25);
}
.card-club::before {
  background: linear-gradient(90deg, #10b981, #34d399);
}
.card-club:hover {
  box-shadow: 0 16px 36px -8px var(--color-emerald-glow);
}

/* Card Header */
.sol-card-header {
  margin-bottom: 14px;
}

.sol-card-badge-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 14px;
}

.sol-card-icon {
  font-size: 1.85rem;
  line-height: 1;
}

.sol-card-badge {
  font-size: 0.725rem;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: 9999px;
  letter-spacing: 0.3px;
  text-transform: uppercase;
}

.badge-cyan {
  background: rgba(6, 182, 212, 0.12);
  color: #38bdf8;
  border: 1px solid rgba(6, 182, 212, 0.3);
}

.badge-purple {
  background: rgba(139, 92, 246, 0.12);
  color: #c084fc;
  border: 1px solid rgba(139, 92, 246, 0.3);
}

.badge-amber {
  background: rgba(245, 158, 11, 0.12);
  color: #fbbf24;
  border: 1px solid rgba(245, 158, 11, 0.3);
}

.badge-emerald {
  background: rgba(16, 185, 129, 0.12);
  color: #34d399;
  border: 1px solid rgba(16, 185, 129, 0.3);
}

.sol-card-title {
  font-size: 1.25rem;
  font-weight: 700;
  margin: 0 0 10px;
  color: #ffffff;
  letter-spacing: -0.01em;
}

.sol-card-desc {
  font-size: 0.9rem;
  line-height: 1.5;
  color: var(--sol-text-secondary);
  margin-bottom: 18px;
  min-height: 48px;
}

/* Price Tags and Micro Highlights */
.sol-price-highlight {
  display: flex;
  flex-direction: column;
  gap: 4px;
  margin-bottom: 18px;
  padding: 10px 12px;
  background: rgba(255, 255, 255, 0.03);
  border-radius: 10px;
  border: 1px solid rgba(255, 255, 255, 0.05);
}

.sol-price-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.825rem;
}

.sol-price-label {
  color: var(--sol-text-muted);
}

.sol-price-val {
  font-weight: 700;
  color: #fbbf24;
}

.sol-benefit-pill {
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  gap: 6px;
  font-size: 0.785rem;
  line-height: 1.35;
  padding: 8px 10px;
  border-radius: 8px;
  margin-bottom: 18px;
  min-height: 42px;
  box-sizing: border-box;
}

.pill-cyan {
  color: #38bdf8;
  background: rgba(6, 182, 212, 0.08);
  border: 1px solid rgba(6, 182, 212, 0.25);
}

.pill-purple {
  color: #c084fc;
  background: rgba(139, 92, 246, 0.08);
  border: 1px solid rgba(139, 92, 246, 0.25);
}

.pill-amber {
  color: #fbbf24;
  background: rgba(245, 158, 11, 0.08);
  border: 1px solid rgba(245, 158, 11, 0.25);
}

.pill-emerald {
  color: #34d399;
  background: rgba(16, 185, 129, 0.08);
  border: 1px solid rgba(16, 185, 129, 0.25);
}

/* Action Buttons */
.sol-card-action {
  margin-top: auto;
}

.sol-btn {
  width: 100%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 18px;
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: 10px;
  text-decoration: none;
  cursor: pointer;
  transition: all 0.2s ease;
  box-sizing: border-box;
  text-align: center;
}

.sol-btn-cyan {
  background: rgba(6, 182, 212, 0.15);
  color: #38bdf8;
  border: 1px solid rgba(6, 182, 212, 0.35);
}
.sol-btn-cyan:hover {
  background: #06b6d4;
  color: #ffffff;
  border-color: #06b6d4;
  box-shadow: 0 4px 16px rgba(6, 182, 212, 0.4);
}

.sol-btn-purple {
  background: rgba(139, 92, 246, 0.15);
  color: #c084fc;
  border: 1px solid rgba(139, 92, 246, 0.35);
}
.sol-btn-purple:hover {
  background: #8b5cf6;
  color: #ffffff;
  border-color: #8b5cf6;
  box-shadow: 0 4px 16px rgba(139, 92, 246, 0.4);
}

.sol-btn-amber {
  background: rgba(245, 158, 11, 0.15);
  color: #fbbf24;
  border: 1px solid rgba(245, 158, 11, 0.35);
}
.sol-btn-amber:hover {
  background: #f59e0b;
  color: #ffffff;
  border-color: #f59e0b;
  box-shadow: 0 4px 16px rgba(245, 158, 11, 0.4);
}

.sol-btn-emerald {
  background: rgba(16, 185, 129, 0.15);
  color: #34d399;
  border: 1px solid rgba(16, 185, 129, 0.35);
}
.sol-btn-emerald:hover {
  background: #10b981;
  color: #ffffff;
  border-color: #10b981;
  box-shadow: 0 4px 16px rgba(16, 185, 129, 0.4);
}

.sol-sub-hint {
  display: block;
  font-size: 0.775rem;
  color: var(--sol-text-muted);
  text-align: center;
  margin-top: 8px;
}

.sol-sub-hint a {
  color: #fbbf24;
  text-decoration: underline;
}

/* ==============================================================================
   Footer
   ============================================================================== */
.sol-footer {
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  padding: 30px 0;
  text-align: center;
  font-size: 0.85rem;
  color: var(--sol-text-muted);
}

.sol-footer-links {
  display: flex;
  justify-content: center;
  gap: 20px;
  margin-bottom: 12px;
}

.sol-footer-link {
  color: var(--sol-text-secondary);
  text-decoration: none;
  transition: color 0.15s ease;
}

.sol-footer-link:hover {
  color: #ffffff;
}

/* ==============================================================================
   Mobile Optimization (< 640px) — Ergonomic Vertical Feed
   ============================================================================== */
@media (max-width: 640px) {
  .solutions-wrapper {
    padding: 0 14px;
  }

  .sol-main-section {
    padding: 24px 0 48px;
  }

  .sol-header {
    margin-bottom: 24px;
  }

  .sol-title {
    font-size: 2.1rem;
    margin-bottom: 10px;
  }

  .sol-subtitle {
    font-size: 0.95rem;
  }

  .sol-card {
    padding: 20px 18px;
    border-radius: 16px;
  }

  .sol-card-title {
    font-size: 1.2rem;
  }

  .sol-card-desc {
    font-size: 0.9rem;
    min-height: auto;
    margin-bottom: 14px;
  }

  .sol-btn {
    min-height: 48px;
    padding: 14px 18px;
    font-size: 1rem;
    font-weight: 700;
  }

  .sol-footer-links {
    flex-direction: column;
    gap: 12px;
  }
}