/* ============================================
   WebCrypt — PuterVision Design System
   ============================================ */

:root {
  --bg-primary: #0b0f19;
  --bg-secondary: #111827;
  --bg-tertiary: #1f2937;
  --glass-bg: rgba(15, 23, 42, 0.75);
  --glass-border: rgba(255, 255, 255, 0.1);
  --accent-cyan: #06b6d4;
  --accent-blue: #3b82f6;
  --accent-indigo: #6366f1;
  --accent-purple: #8b5cf6;
  --accent-emerald: #10b981;
  --accent-amber: #f59e0b;
  --text-primary: #f9fafb;
  --text-secondary: #9ca3af;
  --border-color: rgba(255, 255, 255, 0.12);
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Outfit', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background-color: var(--bg-primary);
  background-image: radial-gradient(circle at 50% 0%, rgba(6, 182, 212, 0.15), transparent 50%);
  color: var(--text-primary);
  line-height: 1.6;
  min-height: 100vh;
  overflow-x: hidden;
}

/* Backdrops */
.glow-backdrop {
  position: fixed;
  top: -200px;
  left: 50%;
  transform: translateX(-50%);
  width: 1000px;
  height: 600px;
  background: radial-gradient(circle, rgba(99, 102, 241, 0.12) 0%, rgba(6, 182, 212, 0.05) 50%, transparent 70%);
  pointer-events: none;
  z-index: 0;
}

/* Header */
header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(11, 15, 25, 0.85);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--glass-border);
  padding: 1rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 1.25rem;
  font-weight: 700;
}

.logo a {
  text-decoration: none;
  color: var(--text-primary);
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.brand-link {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-secondary) !important;
  text-decoration: none !important;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-color);
  padding: 0.25rem 0.55rem;
  border-radius: 6px;
  transition: all 0.2s ease;
  white-space: nowrap;
}

.brand-link:hover {
  color: var(--text-primary) !important;
  border-color: var(--accent-cyan);
  background: rgba(6, 182, 212, 0.12);
  box-shadow: 0 0 12px rgba(6, 182, 212, 0.2);
}

.nav-brand-img {
  width: 20px;
  height: 20px;
  object-fit: contain;
  margin-right: 0.2rem;
  vertical-align: middle;
}

.logo-sep {
  color: var(--text-secondary);
  opacity: 0.5;
  margin: 0 0.25rem;
}

.logo-link {
  text-decoration: none !important;
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  transition: opacity 0.2s ease, filter 0.2s ease;
}

.logo-link:hover {
  opacity: 0.85;
  filter: brightness(1.2);
}

.logo-text {
  background: linear-gradient(135deg, var(--text-primary) 30%, var(--accent-cyan));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  white-space: nowrap;
  font-weight: 700;
}

.nav-links {
  display: flex;
  list-style: none;
  gap: 1.5rem;
}

.nav-links a {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 500;
  transition: color 0.2s;
}

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

.btn-github {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid var(--glass-border);
  color: var(--text-primary);
  padding: 0.45rem 1rem;
  border-radius: 9999px;
  font-size: 0.85rem;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.2s ease;
  display: flex;
  align-items: center;
  gap: 0.4rem;
  white-space: nowrap;
  flex-shrink: 0;
}

.btn-github:hover {
  background: var(--text-primary);
  color: var(--bg-primary);
}

/* Layout Container */
.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 1.5rem;
  position: relative;
  z-index: 1;
}

/* Hero Section */
.hero {
  text-align: center;
  padding: 5rem 0 3.5rem;
}

.badge {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--accent-cyan);
  background: rgba(6, 182, 212, 0.12);
  border: 1px solid rgba(6, 182, 212, 0.3);
  padding: 0.35rem 1rem;
  border-radius: 9999px;
  margin-bottom: 1.5rem;
}

.hero h1 {
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: 1.25rem;
  background: linear-gradient(135deg, #ffffff 30%, var(--accent-cyan) 70%, var(--accent-indigo) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero p {
  font-size: 1.2rem;
  color: var(--text-secondary);
  max-width: 750px;
  margin: 0 auto 2.5rem;
}

/* CTA Group */
.cta-group {
  display: flex;
  justify-content: center;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
  width: 100%;
  max-width: 820px;
  margin: 0 auto;
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent-cyan), var(--accent-indigo));
  color: white;
  border: none;
  padding: 0.8rem 1.75rem;
  border-radius: 8px;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
  box-shadow: 0 4px 20px rgba(6, 182, 212, 0.3);
  text-decoration: none;
  white-space: nowrap;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  box-sizing: border-box;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 24px rgba(6, 182, 212, 0.4);
}

.btn-secondary {
  background: var(--bg-secondary);
  color: var(--text-primary);
  border: 1px solid var(--border-color);
  padding: 0.8rem 1.75rem;
  border-radius: 8px;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
  text-decoration: none;
  white-space: nowrap;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  box-sizing: border-box;
}

.btn-secondary:hover {
  background: var(--bg-tertiary);
  border-color: rgba(255, 255, 255, 0.2);
}

button.btn-toggle-desc {
  background: rgba(99, 102, 241, 0.15) !important;
  border: 1px solid rgba(99, 102, 241, 0.4) !important;
  color: #a5b4fc !important;
  padding: 0.65rem 1.35rem !important;
  border-radius: 9999px !important;
  font-size: 0.9rem !important;
  font-weight: 700 !important;
  font-family: inherit !important;
  cursor: pointer !important;
  display: inline-flex !important;
  align-items: center !important;
  justify-content: center !important;
  white-space: nowrap !important;
  gap: 0.5rem !important;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1) !important;
  box-shadow: 0 0 15px rgba(99, 102, 241, 0.2) !important;
  outline: none !important;
  box-sizing: border-box !important;
}

button.btn-toggle-desc:hover {
  background: rgba(99, 102, 241, 0.3) !important;
  border-color: var(--accent-cyan) !important;
  color: #ffffff !important;
  box-shadow: 0 0 25px rgba(6, 182, 212, 0.4) !important;
  transform: translateY(-2px) !important;
}

/* Glassmorphism Cards */
.card {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(16px);
  border-radius: 20px;
  padding: 2.75rem 2.5rem;
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.45);
  margin-bottom: 3.5rem;
}

.section-title {
  text-align: center;
  margin-bottom: 2.25rem;
}

.section-title h2 {
  font-size: 2.1rem;
  font-weight: 800;
  margin-top: 0.35rem;
}

/* Features Grid */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.5rem;
  margin-top: 2rem;
  margin-bottom: 3.5rem;
}

.feature-card {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: 14px;
  padding: 1.75rem;
  transition: transform 0.2s, border-color 0.2s;
}

.feature-card:hover {
  transform: translateY(-3px);
  border-color: var(--accent-cyan);
}

.feature-icon {
  font-size: 2rem;
  margin-bottom: 1rem;
}

.feature-card h3 {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
  color: #ffffff;
}

.feature-card p {
  color: var(--text-secondary);
  font-size: 0.92rem;
}

/* Code Playground Box */
.code-box {
  background: #0d1117;
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 1.25rem;
  font-family: 'Fira Code', monospace;
  font-size: 0.9rem;
  color: #c9d1d9;
  overflow-x: auto;
  line-height: 1.6;
}

.code-box .kw { color: #ff7b72; }
.code-box .str { color: #a5d6ff; }
.code-box .fn { color: #d2a8ff; }
.code-box .cm { color: #8b949e; }

/* Interactive Demo */
.demo-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.75rem;
  align-items: stretch;
}

.demo-grid > div {
  display: flex;
  flex-direction: column;
}

.demo-grid .form-group.flex-fill {
  display: flex;
  flex-direction: column;
  flex: 1;
}

.demo-grid .form-group.flex-fill .tool-textarea {
  flex: 1;
  min-height: 120px;
}

@media (max-width: 768px) {
  .demo-grid { grid-template-columns: 1fr; }
}

.form-group {
  margin-bottom: 1.25rem;
}

.form-group label {
  display: block;
  font-size: 0.9rem;
  font-weight: 600;
  margin-bottom: 0.4rem;
  color: var(--text-secondary);
}

.form-control {
  width: 100%;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 0.75rem;
  color: var(--text-primary);
  font-family: inherit;
  font-size: 0.95rem;
  outline: none;
  transition: border-color 0.2s;
}

.form-control:focus {
  border-color: var(--accent-cyan);
}

/* Tool Workbench & Segmented Tab Navigation */
.tool-nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: 0.4rem;
  background: rgba(17, 24, 39, 0.7);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 0.4rem;
  margin-bottom: 2rem;
  box-shadow: inset 0 2px 6px rgba(0, 0, 0, 0.3);
}

.tool-tab-btn {
  flex: 1 1 auto;
  min-width: 140px;
  background: transparent;
  border: 1px solid transparent;
  color: var(--text-secondary);
  padding: 0.65rem 1.1rem;
  border-radius: 8px;
  font-family: inherit;
  font-size: 0.92rem;
  font-weight: 600;
  cursor: pointer;
  white-space: nowrap;
  text-align: center;
  transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
}

.tool-tab-btn:hover {
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.06);
}

.tool-tab-btn.active {
  color: #ffffff;
  background: linear-gradient(135deg, rgba(6, 182, 212, 0.25), rgba(99, 102, 241, 0.25));
  border: 1px solid var(--accent-cyan);
  box-shadow: 0 4px 16px rgba(6, 182, 212, 0.3);
}

.tool-tab-content {
  display: none;
  animation: fadeIn 0.3s ease-in-out;
}

.tool-tab-content.active {
  display: block;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(4px); }
  to { opacity: 1; transform: translateY(0); }
}

.tool-btn-group {
  display: flex;
  gap: 0.75rem;
  margin-top: 1rem;
  margin-bottom: 1rem;
  flex-wrap: wrap;
}

.tool-textarea {
  min-height: 100px;
  font-family: 'Fira Code', monospace;
  font-size: 0.88rem;
  line-height: 1.5;
  resize: vertical;
}

.stats-badge {
  display: inline-block;
  font-size: 0.82rem;
  font-weight: 600;
  padding: 0.4rem 0.8rem;
  border-radius: 6px;
  margin-top: 0.75rem;
}

.stats-badge.success {
  background: rgba(16, 185, 129, 0.15);
  color: #34d399;
  border: 1px solid rgba(16, 185, 129, 0.3);
}

.stats-badge.pending {
  background: rgba(245, 158, 11, 0.15);
  color: #fbbf24;
  border: 1px solid rgba(245, 158, 11, 0.3);
}

.stats-badge.error {
  background: rgba(239, 68, 68, 0.15);
  color: #f87171;
  border: 1px solid rgba(239, 68, 68, 0.3);
}

/* Inspector Tool List */
.inspector-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.inspector-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.85rem 1.1rem;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 10px;
}

.inspector-name {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-primary);
}

.inspector-badge {
  font-size: 0.78rem;
  font-weight: 700;
  padding: 0.25rem 0.65rem;
  border-radius: 9999px;
  letter-spacing: 0.03em;
}

.badge-pass {
  background: rgba(16, 185, 129, 0.15);
  color: #34d399;
  border: 1px solid rgba(16, 185, 129, 0.4);
}

.badge-warn {
  background: rgba(245, 158, 11, 0.15);
  color: #fbbf24;
  border: 1px solid rgba(245, 158, 11, 0.4);
}

.badge-fail {
  background: rgba(239, 68, 68, 0.15);
  color: #f87171;
  border: 1px solid rgba(239, 68, 68, 0.4);
}

/* Responsive Breakpoints */
@media (max-width: 900px) {
  header {
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.8rem;
  }
  .nav-links {
    flex-wrap: wrap;
    justify-content: center;
  }
}

@media (max-width: 768px) {
  .cta-group {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.65rem;
    padding: 0 0.5rem;
  }

  .btn-primary,
  .btn-secondary,
  button.btn-toggle-desc {
    padding: 0.75rem 1.1rem !important;
    font-size: 0.88rem !important;
    flex: 1 1 calc(50% - 0.65rem);
    min-width: 135px;
    max-width: 220px;
  }

  .tool-tab-btn {
    flex: 1 1 calc(50% - 0.4rem);
    min-width: 125px;
    padding: 0.55rem 0.75rem;
    font-size: 0.86rem;
  }
}

@media (max-width: 480px) {
  .cta-group {
    flex-direction: column;
    align-items: stretch;
    width: 100%;
    max-width: 320px;
  }

  .btn-primary,
  .btn-secondary,
  button.btn-toggle-desc {
    width: 100%;
    flex: 1 1 100%;
    max-width: 100%;
    padding: 0.8rem 1.25rem !important;
    font-size: 0.95rem !important;
  }

  .tool-tab-btn {
    flex: 1 1 100%;
    width: 100%;
  }
}

/* Footer */
footer {
  text-align: center;
  padding: 3rem 0;
  color: var(--text-secondary);
  font-size: 0.9rem;
  border-top: 1px solid var(--border-color);
  margin-top: 4rem;
}

footer a {
  color: var(--accent-cyan);
  text-decoration: none;
}