/* ==========================================================================
   PRASHANT GARG — MINIMAL / EDITORIAL DESIGN SYSTEM (Linear & Stripe Inspired)
   Pure CSS Design System + Resilient Layout Engine
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Geist:wght@300;400;500;600;700&family=Geist+Mono:wght@400;500;600&family=Plus+Jakarta+Sans:wght@400;500;600;700;800&family=JetBrains+Mono:wght@400;500;600&display=swap');

:root {
  --font-sans: 'Geist', 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-display: 'Plus Jakarta Sans', 'Geist', sans-serif;
  --font-mono: 'Geist Mono', 'JetBrains Mono', monospace;

  /* Linear / Stripe Minimal Dark Obsidian Tokens */
  --bg-primary: #08090a;
  --bg-secondary: #0d0f12;
  --bg-tertiary: #14171d;
  --bg-card: rgba(13, 15, 18, 0.85);
  --bg-card-hover: rgba(20, 23, 29, 0.95);
  --bg-subtle: rgba(255, 255, 255, 0.03);

  --border-subtle: rgba(255, 255, 255, 0.07);
  --border-medium: rgba(255, 255, 255, 0.12);
  --border-highlight: rgba(255, 255, 255, 0.22);
  --border-accent: rgba(99, 102, 241, 0.4);

  --text-primary: #f4f4f5;
  --text-secondary: #a1a1aa;
  --text-muted: #71717a;
  --text-subtle: #52525b;

  --accent-indigo: #6366f1;
  --accent-indigo-light: #818cf8;
  --accent-cyan: #06b6d4;
  --accent-emerald: #10b981;
  --accent-purple: #a855f7;

  --radius-xs: 4px;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 9999px;

  --shadow-subtle: 0 1px 2px 0 rgba(0, 0, 0, 0.4);
  --shadow-card: 0 10px 30px -10px rgba(0, 0, 0, 0.7);
  --shadow-modal: 0 25px 60px -15px rgba(0, 0, 0, 0.9), 0 0 0 1px rgba(255, 255, 255, 0.08);
}

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

html {
  font-family: var(--font-sans);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  min-height: 100vh;
  overflow-x: hidden;
  background-color: var(--bg-primary);
  line-height: 1.5;
}

/* Fallback Utility & Layout Helpers */
.hidden {
  display: none !important;
}

.flex {
  display: flex !important;
}

.inline-flex {
  display: inline-flex !important;
}

.grid {
  display: grid !important;
}

.items-center {
  align-items: center;
}

.items-start {
  align-items: flex-start;
}

.justify-between {
  justify-content: space-between;
}

.justify-center {
  justify-content: center;
}

.flex-col {
  flex-direction: column;
}

.flex-wrap {
  flex-wrap: wrap;
}

.flex-1 {
  flex: 1 1 0%;
}

.w-full {
  width: 100%;
}

.h-full {
  height: 100%;
}

.relative {
  position: relative;
}

.absolute {
  position: absolute;
}

.fixed {
  position: fixed;
}

.inset-0 {
  top: 0;
  right: 0;
  bottom: 0;
  left: 0;
}

.z-0 { z-index: 0; }
.z-10 { z-index: 10; }
.z-40 { z-index: 40; }
.z-50 { z-index: 50; }

.pointer-events-none {
  pointer-events: none;
}

.cursor-pointer {
  cursor: pointer;
}

.truncate {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* Container & Max Widths */
.max-w-6xl {
  max-width: 72rem;
}

.max-w-xl {
  max-width: 36rem;
}

.max-w-3xl {
  max-width: 48rem;
}

.mx-auto {
  margin-left: auto;
  margin-right: auto;
}

.px-4 { padding-left: 1rem; padding-right: 1rem; }
.px-5 { padding-left: 1.25rem; padding-right: 1.25rem; }
.px-6 { padding-left: 1.5rem; padding-right: 1.5rem; }
.py-2 { padding-top: 0.5rem; padding-bottom: 0.5rem; }
.py-3 { padding-top: 0.75rem; padding-bottom: 0.75rem; }
.py-6 { padding-top: 1.5rem; padding-bottom: 1.5rem; }
.py-8 { padding-top: 2rem; padding-bottom: 2rem; }
.pt-12 { padding-top: 3rem; }
.pb-24 { padding-bottom: 6rem; }

/* Subtle Grid Background (Linear Style) */
.linear-grid-bg {
  background-color: var(--bg-primary);
  background-image: 
    linear-gradient(to right, rgba(255, 255, 255, 0.02) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
  background-size: 48px 48px;
}

/* Spotlight Glow Header */
.linear-glow-top {
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 1000px;
  max-width: 100vw;
  height: 420px;
  background: radial-gradient(ellipse at top, rgba(99, 102, 241, 0.14) 0%, rgba(6, 182, 212, 0.04) 40%, transparent 70%);
  pointer-events: none;
  z-index: 0;
}

/* Editorial Typography Styles */
.font-display {
  font-family: var(--font-display);
}

.font-mono {
  font-family: var(--font-mono);
}

.editorial-title {
  letter-spacing: -0.035em;
  line-height: 1.1;
  font-weight: 700;
}

.accent-gradient {
  background: linear-gradient(135deg, #a5b4fc 0%, #818cf8 50%, #38bdf8 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* Linear Card Design */
.linear-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  position: relative;
}

.linear-card::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  padding: 1px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.08), transparent 60%);
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  pointer-events: none;
}

.linear-card:hover {
  border-color: var(--border-medium);
  background: var(--bg-card-hover);
  transform: translateY(-2px);
  box-shadow: 0 16px 36px -12px rgba(0, 0, 0, 0.8), 0 0 0 1px rgba(255, 255, 255, 0.1);
}

/* Linear Segmented Control (Tabs) */
.segmented-control {
  display: inline-flex;
  padding: 3px;
  border-radius: var(--radius-full);
  background: rgba(20, 23, 29, 0.85);
  border: 1px solid var(--border-subtle);
  backdrop-filter: blur(12px);
}

.segmented-tab {
  padding: 6px 14px;
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--text-muted);
  background: transparent;
  border: none;
  cursor: pointer;
  transition: all 0.2s ease;
  white-space: nowrap;
}

.segmented-tab:hover {
  color: var(--text-primary);
}

.segmented-tab.active {
  color: #ffffff;
  background: rgba(255, 255, 255, 0.1);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.4), inset 0 1px 0 rgba(255, 255, 255, 0.15);
}

/* Linear Badges & Chips */
.editorial-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  border-radius: var(--radius-full);
  font-size: 0.72rem;
  font-family: var(--font-mono);
  font-weight: 500;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
}

.status-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #10b981;
  box-shadow: 0 0 8px rgba(16, 185, 129, 0.6);
}

.tech-chip {
  display: inline-flex;
  align-items: center;
  padding: 3px 8px;
  border-radius: var(--radius-xs);
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.06);
  color: #a1a1aa;
  font-size: 0.7rem;
  font-family: var(--font-mono);
  transition: all 0.2s ease;
}

.tech-chip:hover {
  background: rgba(255, 255, 255, 0.07);
  border-color: rgba(255, 255, 255, 0.15);
  color: #ffffff;
}

/* Linear Button System */
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 8px 16px;
  border-radius: var(--radius-md);
  background: #f4f4f5;
  color: #08090a;
  font-size: 0.8125rem;
  font-weight: 600;
  border: 1px solid rgba(255, 255, 255, 0.9);
  cursor: pointer;
  transition: all 0.2s ease;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.3);
  text-decoration: none;
}

.btn-primary:hover {
  background: #ffffff;
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(255, 255, 255, 0.2);
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 8px 16px;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.04);
  color: #e4e4e7;
  font-size: 0.8125rem;
  font-weight: 500;
  border: 1px solid var(--border-subtle);
  cursor: pointer;
  transition: all 0.2s ease;
  text-decoration: none;
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: var(--border-medium);
  color: #ffffff;
  transform: translateY(-1px);
}

.btn-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-subtle);
  color: var(--text-muted);
  cursor: pointer;
  transition: all 0.2s ease;
  text-decoration: none;
}

.btn-icon:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: var(--border-medium);
  color: #ffffff;
}

/* Linear Interactive Modal */
.modal-overlay {
  background: rgba(0, 0, 0, 0.82);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.modal-window {
  background: #0d0f12;
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-modal);
}

/* Viewport Controls inside Modal */
.viewport-control-btn {
  padding: 4px 10px;
  border-radius: var(--radius-sm);
  font-size: 0.7rem;
  font-family: var(--font-mono);
  color: var(--text-muted);
  background: transparent;
  border: 1px solid transparent;
  cursor: pointer;
  transition: all 0.2s ease;
}

.viewport-control-btn:hover {
  color: #ffffff;
}

.viewport-control-btn.active {
  color: #ffffff;
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.12);
}

/* Custom Sleek Scrollbars */
::-webkit-scrollbar {
  width: 5px;
  height: 5px;
}

::-webkit-scrollbar-track {
  background: transparent;
}

::-webkit-scrollbar-thumb {
  background: #27272a;
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: #3f3f46;
}

/* Keyframe animations */
@keyframes fadeInScale {
  from {
    opacity: 0;
    transform: scale(0.98);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

.animate-scale-up {
  animation: fadeInScale 0.18s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

/* Responsive Viewport Dimensions */
.view-desktop {
  width: 100% !important;
  max-width: 100% !important;
}

.view-tablet {
  width: 768px !important;
  max-width: 100% !important;
}

.view-mobile {
  width: 375px !important;
  max-width: 100% !important;
}