/* ==========================================================================
   faisalbillah.com — Design System & Stylesheet
   Pure Vanilla CSS • Deep Space & Neon Cyan / Indigo Glassmorphism
   ========================================================================== */

:root {
  /* Color Tokens */
  --bg-base: #080B11;
  --bg-surface: rgba(17, 24, 39, 0.65);
  --bg-surface-elevated: rgba(30, 41, 59, 0.55);
  --bg-glass-card: rgba(15, 23, 42, 0.72);
  
  --border-subtle: rgba(255, 255, 255, 0.08);
  --border-highlight: rgba(99, 102, 241, 0.35);
  --border-accent: rgba(56, 189, 248, 0.4);

  --text-primary: #F8FAFC;
  --text-secondary: #94A3B8;
  --text-muted: #64748B;

  --accent-indigo: #6366F1;
  --accent-cyan: #38BDF8;
  --accent-emerald: #10B981;
  
  --glow-indigo: rgba(99, 102, 241, 0.25);
  --glow-cyan: rgba(56, 189, 248, 0.2);

  /* Typography */
  --font-sans: 'Outfit', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  /* Transitions */
  --ease-spring: cubic-bezier(0.16, 1, 0.3, 1);
  --transition-fast: 0.2s var(--ease-spring);
  --transition-normal: 0.35s var(--ease-spring);
}

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

html, body {
  min-height: 100%;
  font-family: var(--font-sans);
  background-color: var(--bg-base);
  color: var(--text-primary);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

/* Background Ambient Glows */
.ambient-glow-top {
  position: fixed;
  top: -20vh;
  left: 20vw;
  width: 60vw;
  height: 50vh;
  background: radial-gradient(circle, var(--glow-indigo) 0%, transparent 70%);
  filter: blur(80px);
  pointer-events: none;
  z-index: 0;
}

.ambient-glow-bottom {
  position: fixed;
  bottom: -20vh;
  right: 15vw;
  width: 50vw;
  height: 45vh;
  background: radial-gradient(circle, var(--glow-cyan) 0%, transparent 70%);
  filter: blur(90px);
  pointer-events: none;
  z-index: 0;
}

/* Grid Pattern Overlay */
.grid-pattern {
  position: fixed;
  inset: 0;
  background-image: 
    linear-gradient(to right, rgba(255, 255, 255, 0.03) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
  background-size: 40px 40px;
  mask-image: radial-gradient(ellipse 80% 70% at 50% 50%, #000 60%, transparent 100%);
  -webkit-mask-image: radial-gradient(ellipse 80% 70% at 50% 50%, #000 60%, transparent 100%);
  pointer-events: none;
  z-index: 0;
}

/* Page Layout */
.site-wrapper {
  position: relative;
  z-index: 1;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 1.5rem 1.25rem;
}

@media (min-width: 768px) {
  .site-wrapper {
    padding: 2.5rem 3rem;
  }
}

/* Top Header */
.site-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  max-width: 1100px;
  margin: 0 auto;
  width: 100%;
}

.brand-badge {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-weight: 700;
  font-size: 1.15rem;
  letter-spacing: -0.02em;
  color: var(--text-primary);
  text-decoration: none;
}

.brand-logo-icon {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  background: linear-gradient(135deg, var(--accent-indigo), var(--accent-cyan));
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-weight: 800;
  font-size: 0.95rem;
  box-shadow: 0 4px 14px rgba(99, 102, 241, 0.4);
}

.domain-pill {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text-secondary);
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  padding: 0.35rem 0.75rem;
  border-radius: 9999px;
  backdrop-filter: blur(10px);
}

/* Center Content & Glass Card */
.main-stage {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-grow: 1;
  padding: 3rem 0;
}

.card-glass {
  background: var(--bg-glass-card);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border: 1px solid var(--border-subtle);
  border-radius: 24px;
  padding: 2.5rem 1.75rem;
  max-width: 680px;
  width: 100%;
  box-shadow: 
    0 20px 40px -15px rgba(0, 0, 0, 0.7),
    0 0 0 1px rgba(255, 255, 255, 0.05);
  text-align: center;
  transition: border-color var(--transition-normal);
}

@media (min-width: 640px) {
  .card-glass {
    padding: 3.5rem 3rem;
  }
}

.card-glass:hover {
  border-color: var(--border-highlight);
}

/* Status Pill with Pulsing Dot */
.status-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  padding: 0.4rem 1rem;
  border-radius: 9999px;
  background: rgba(99, 102, 241, 0.12);
  border: 1px solid rgba(99, 102, 241, 0.28);
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 500;
  color: #A5B4FC;
  margin-bottom: 2rem;
  letter-spacing: 0.02em;
}

.pulse-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: var(--accent-cyan);
  position: relative;
}

.pulse-dot::after {
  content: '';
  position: absolute;
  inset: -3px;
  border-radius: 50%;
  background-color: var(--accent-cyan);
  opacity: 0.75;
  animation: pulse-ring 1.8s cubic-bezier(0.215, 0.61, 0.355, 1) infinite;
}

@keyframes pulse-ring {
  0% { transform: scale(0.95); opacity: 0.8; }
  50% { transform: scale(2.2); opacity: 0; }
  100% { transform: scale(0.95); opacity: 0; }
}

/* Main Titles */
.hero-title {
  font-size: clamp(2.5rem, 7vw, 4rem);
  font-weight: 800;
  letter-spacing: -0.04em;
  line-height: 1.1;
  margin-bottom: 1.25rem;
  background: linear-gradient(135deg, #FFFFFF 30%, #94A3B8 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-subtitle {
  font-size: clamp(1.05rem, 2.5vw, 1.25rem);
  color: var(--text-secondary);
  font-weight: 400;
  line-height: 1.6;
  max-width: 540px;
  margin: 0 auto 2.25rem;
}

/* Progress / System Phase Block */
.phase-matrix {
  display: grid;
  grid-template-columns: repeat(1, 1fr);
  gap: 0.85rem;
  background: var(--bg-surface-elevated);
  border: 1px solid var(--border-subtle);
  border-radius: 16px;
  padding: 1.25rem;
  margin-bottom: 2.25rem;
  text-align: left;
}

@media (min-width: 520px) {
  .phase-matrix {
    grid-template-columns: repeat(2, 1fr);
  }
}

.phase-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.phase-icon {
  width: 28px;
  height: 28px;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-cyan);
  font-size: 16px;
}

.phase-info h4 {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-primary);
}

.phase-info p {
  font-size: 0.75rem;
  color: var(--text-muted);
  font-family: var(--font-mono);
}

/* Action CTA Buttons */
.cta-group {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 1rem;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  background: linear-gradient(135deg, var(--accent-indigo), #4F46E5);
  color: #FFFFFF;
  padding: 0.85rem 1.6rem;
  border-radius: 12px;
  font-size: 0.95rem;
  font-weight: 600;
  text-decoration: none;
  border: 1px solid rgba(255, 255, 255, 0.15);
  box-shadow: 0 10px 25px -5px rgba(99, 102, 241, 0.4);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 15px 30px -5px rgba(99, 102, 241, 0.55);
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  background: var(--bg-surface);
  color: var(--text-primary);
  padding: 0.85rem 1.6rem;
  border-radius: 12px;
  font-size: 0.95rem;
  font-weight: 600;
  text-decoration: none;
  border: 1px solid var(--border-subtle);
  backdrop-filter: blur(10px);
  transition: all var(--transition-fast);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.2);
  transform: translateY(-2px);
}

/* Site Footer */
.site-footer {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  align-items: center;
  justify-content: space-between;
  max-width: 1100px;
  margin: 0 auto;
  width: 100%;
  padding-top: 1.5rem;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  font-size: 0.82rem;
  color: var(--text-muted);
}

@media (min-width: 640px) {
  .site-footer {
    flex-direction: row;
  }
}

.edge-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-secondary);
}

.edge-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: var(--accent-emerald);
}