/* ==========================================================================
   KRUTI DEEPAN PANDA — PERSONAL EXPERIMENT BENCH & PORTAL
   Refined Architectural Light-Mode, Subtle Ambient Glows, & Premium Typography
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600&family=Newsreader:ital,opsz,wght@0,6..72,400;0,6..72,500;1,6..72,400&family=Outfit:wght@400;500;600;700;800&family=Space+Grotesk:wght@500;600&display=swap');

:root {
  --bg-page: #fcfcfb;
  --bg-card: rgba(255, 255, 255, 0.85);
  --bg-card-hover: rgba(255, 255, 255, 0.98);
  
  --text-primary: #111827;
  --text-secondary: #4b5563;
  --text-tertiary: #6b7280;
  
  --border-light: rgba(0, 0, 0, 0.07);
  --border-hover: rgba(37, 99, 235, 0.3);
  
  --accent-blue: #2563eb;
  --accent-blue-hover: #1d4ed8;
  --accent-indigo: #4f46e5;
  --accent-amber: #d97706;
  
  --shadow-card: 0 10px 30px -5px rgba(0, 0, 0, 0.04), 0 4px 10px -5px rgba(0, 0, 0, 0.02);
  --shadow-hover: 0 20px 45px -10px rgba(37, 99, 235, 0.12), 0 10px 20px -5px rgba(0, 0, 0, 0.04);
  
  --font-heading: 'Outfit', sans-serif;
  --font-body: 'Inter', sans-serif;
  --font-serif: 'Newsreader', Georgia, serif;
  --font-mono: 'Space Grotesk', monospace;
  
  --transition-smooth: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

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

body {
  background-color: var(--bg-page);
  color: var(--text-primary);
  font-family: var(--font-body);
  line-height: 1.65;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  position: relative;
  overflow-x: hidden;
  padding: 3.5rem 1.5rem;
}

/* Subtle Ambient Radial Glows */
.ambient-background {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  z-index: 0;
  pointer-events: none;
  overflow: hidden;
}

.ambient-glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(130px);
  opacity: 0.4;
  animation: floatAmbient 22s infinite alternate ease-in-out;
}

.glow-warm {
  top: -10%;
  right: 5%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, #ffecd2, #fcb69f, transparent 70%);
}

.glow-cool {
  bottom: -10%;
  left: 5%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, #a1c4fd, #c2e9fb, transparent 70%);
  animation-delay: -9s;
}

@keyframes floatAmbient {
  0% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(-40px, 40px) scale(1.1); }
  100% { transform: translate(30px, -30px) scale(0.95); }
}

/* Subtle Architectural Grid Canvas */
#bg-canvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  z-index: 1;
  pointer-events: none;
  opacity: 0.65;
}

/* Main Container */
.content-wrapper {
  position: relative;
  z-index: 10;
  max-width: 860px;
  width: 100%;
  margin: 0 auto;
  flex: 1;
}

/* Header Section */
.hero-header {
  margin-bottom: 3.5rem;
  text-align: left;
}

.profile-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.45rem 1.1rem;
  background: rgba(37, 99, 235, 0.08);
  border: 1px solid rgba(37, 99, 235, 0.2);
  border-radius: 50px;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--accent-blue);
  margin-bottom: 1.5rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.main-title {
  font-family: var(--font-heading);
  font-size: clamp(2.5rem, 5.5vw, 3.8rem);
  font-weight: 800;
  color: var(--text-primary);
  line-height: 1.15;
  letter-spacing: -0.025em;
  margin-bottom: 0.8rem;
}

.main-title span {
  background: linear-gradient(135deg, var(--text-primary) 0%, var(--accent-blue) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.subtitle {
  font-size: clamp(1.1rem, 2vw, 1.3rem);
  color: var(--text-secondary);
  font-weight: 400;
}

/* Comprehensive Experiment Statement */
.experiment-card {
  background: rgba(255, 255, 255, 0.7);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border-light);
  border-left: 4px solid var(--accent-blue);
  border-radius: 16px;
  padding: 2.2rem 2.5rem;
  margin-bottom: 4.5rem;
  box-shadow: var(--shadow-card);
}

.experiment-title {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--font-heading);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 1rem;
}

.experiment-title i {
  color: var(--accent-blue);
}

.experiment-text {
  font-family: var(--font-serif);
  font-size: 1.18rem;
  line-height: 1.8;
  color: var(--text-secondary);
}

/* Section Header */
.section-heading {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 1.8rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.section-heading::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--border-light);
}

/* Tools Comparison Grid */
.tools-list {
  display: flex;
  flex-direction: column;
  gap: 1.8rem;
  margin-bottom: 5rem;
}

.tool-item {
  position: relative;
  background: var(--bg-card);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--border-light);
  border-radius: 20px;
  padding: 2.2rem 2.5rem;
  box-shadow: var(--shadow-card);
  transition: var(--transition-smooth);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 1.5rem;
  overflow: hidden;
}

.tool-item::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: transparent;
  transition: var(--transition-smooth);
}

.tool-item:hover {
  transform: translateY(-4px);
  background: var(--bg-card-hover);
  border-color: var(--border-hover);
  box-shadow: var(--shadow-hover);
}

.tool-item.active-build::before {
  background: linear-gradient(180deg, var(--accent-blue), var(--accent-indigo));
}

.tool-item.planned-build::before {
  background: rgba(0, 0, 0, 0.1);
}

.tool-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}

.tool-identity {
  display: flex;
  align-items: center;
  gap: 0.85rem;
}

.tool-icon {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: #f3f4f6;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  color: var(--text-primary);
}

.active-build .tool-icon {
  background: rgba(37, 99, 235, 0.1);
  color: var(--accent-blue);
}

.tool-name {
  font-family: var(--font-heading);
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--text-primary);
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 600;
  padding: 0.35rem 0.9rem;
  border-radius: 50px;
}

.badge-success {
  background: rgba(37, 99, 235, 0.1);
  color: var(--accent-blue);
  border: 1px solid rgba(37, 99, 235, 0.25);
}

.badge-ongoing {
  background: rgba(217, 119, 6, 0.1);
  color: var(--accent-amber);
  border: 1px solid rgba(217, 119, 6, 0.25);
}

.badge-pending {
  background: #f3f4f6;
  color: var(--text-tertiary);
  border: 1px solid rgba(0, 0, 0, 0.08);
}

.tool-desc {
  color: var(--text-secondary);
  font-size: 1.02rem;
  line-height: 1.7;
}

/* Action Buttons */
.tool-action {
  margin-top: 0.5rem;
}

.action-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  padding: 0.95rem 2rem;
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 600;
  text-decoration: none;
  border-radius: 12px;
  transition: var(--transition-smooth);
  cursor: pointer;
  border: none;
}

.btn-primary {
  background: var(--text-primary);
  color: #ffffff;
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.15);
}

.btn-primary:hover {
  background: var(--accent-blue);
  box-shadow: 0 8px 20px rgba(37, 99, 235, 0.3);
  transform: translateY(-2px);
}

.btn-primary i {
  transition: transform 0.3s ease;
}

.btn-primary:hover i {
  transform: translateX(5px);
}

.btn-disabled {
  background: #f3f4f6;
  color: #9ca3af;
  border: 1px solid rgba(0, 0, 0, 0.05);
  cursor: not-allowed;
}

/* Footer Section */
.page-footer {
  max-width: 860px;
  width: 100%;
  margin: 0 auto;
  border-top: 1px solid var(--border-light);
  padding-top: 2.5rem;
  text-align: center;
  color: var(--text-tertiary);
  font-size: 0.9rem;
}

.page-footer strong {
  color: var(--text-secondary);
}

/* Responsive Layout */
@media (max-width: 768px) {
  body {
    padding: 2.5rem 1.2rem;
  }
  
  .tool-item, .experiment-card {
    padding: 1.8rem 1.5rem;
  }
  
  .main-title {
    font-size: 2.4rem;
  }
  
  .tool-top {
    flex-direction: column;
    align-items: flex-start;
  }
}