/* Indriyo - The Sixth Sense for Motorcyclists (ইন্দ্রিয়)
   Official Showcase & Live Simulator Stylesheet
*/

:root {
  --bg-base: #06080d;
  --bg-surface: #0c1017;
  --bg-card: rgba(16, 22, 34, 0.75);
  --bg-card-hover: rgba(22, 30, 46, 0.9);
  --border-color: rgba(255, 255, 255, 0.08);
  --border-glow: rgba(0, 240, 255, 0.25);
  
  --accent-cyan: #00f0ff;
  --accent-amber: #ff9d00;
  --accent-red: #ff2a4b;
  --accent-green: #30d158;
  --text-main: #f0f4fc;
  --text-muted: #8e9bb0;
  --text-dim: #5a667a;
  
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-mono: "SF Mono", "Fira Code", Menlo, Monaco, Consolas, monospace;
}

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

body {
  background-color: var(--bg-base);
  color: var(--text-main);
  font-family: var(--font-sans);
  line-height: 1.6;
  overflow-x: hidden;
  background-image: 
    radial-gradient(circle at 50% 0%, rgba(0, 240, 255, 0.08), transparent 50%),
    radial-gradient(circle at 90% 20%, rgba(255, 157, 0, 0.05), transparent 40%),
    radial-gradient(circle at 10% 40%, rgba(255, 42, 75, 0.04), transparent 40%);
  background-attachment: fixed;
}

a {
  color: var(--accent-cyan);
  text-decoration: none;
  transition: all 0.2s ease;
}

a:hover {
  color: #fff;
  text-shadow: 0 0 8px var(--accent-cyan);
}

/* Container */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* Header & Nav */
header {
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(16px);
  background: rgba(6, 8, 13, 0.85);
  border-bottom: 1px solid var(--border-color);
}

.nav-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.4rem;
  font-weight: 800;
  letter-spacing: 1px;
  color: #fff;
}

.logo-badge {
  background: linear-gradient(135deg, var(--accent-amber), var(--accent-red));
  color: #fff;
  font-size: 0.65rem;
  font-weight: 900;
  padding: 2px 7px;
  border-radius: 4px;
  letter-spacing: 1.5px;
}

.logo-bangla {
  font-size: 0.95rem;
  color: var(--accent-amber);
  font-weight: 600;
}

.nav-links {
  display: flex;
  gap: 28px;
  list-style: none;
  font-size: 0.9rem;
  font-weight: 500;
}

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

.nav-links a:hover {
  color: #fff;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 22px;
  border-radius: 8px;
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  border: 1px solid transparent;
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent-amber), #e06000);
  color: #000;
  font-weight: 700;
  box-shadow: 0 4px 20px rgba(255, 157, 0, 0.3);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 28px rgba(255, 157, 0, 0.5);
  color: #000;
}

.btn-outline {
  background: rgba(255, 255, 255, 0.04);
  color: var(--text-main);
  border-color: var(--border-color);
}

.btn-outline:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: var(--accent-cyan);
  transform: translateY(-2px);
}

/* Hero Section */
.hero {
  padding: 80px 0 60px;
  position: relative;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 48px;
  align-items: center;
}

.hero-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  border-radius: 999px;
  background: rgba(0, 240, 255, 0.1);
  border: 1px solid rgba(0, 240, 255, 0.3);
  color: var(--accent-cyan);
  font-size: 0.8rem;
  font-weight: 600;
  margin-bottom: 24px;
}

.hero-pill .pulse-dot {
  width: 8px;
  height: 8px;
  background: var(--accent-cyan);
  border-radius: 50%;
  box-shadow: 0 0 10px var(--accent-cyan);
  animation: pulse 1.8s infinite;
}

@keyframes pulse {
  0%, 100% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.4); opacity: 0.5; }
}

.hero h1 {
  font-size: 3.5rem;
  line-height: 1.12;
  font-weight: 900;
  margin-bottom: 20px;
  letter-spacing: -1px;
}

.hero h1 span.gradient-text {
  background: linear-gradient(135deg, #fff 20%, var(--accent-amber) 70%, var(--accent-red) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-desc {
  font-size: 1.15rem;
  color: var(--text-muted);
  margin-bottom: 32px;
  max-width: 540px;
}

.hero-actions {
  display: flex;
  gap: 16px;
  margin-bottom: 40px;
  flex-wrap: wrap;
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  padding-top: 24px;
  border-top: 1px solid var(--border-color);
}

.stat-item .stat-val {
  font-size: 1.8rem;
  font-weight: 800;
  color: #fff;
  font-family: var(--font-mono);
}

.stat-item .stat-lbl {
  font-size: 0.8rem;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* Hero Media Card */
.hero-media-wrapper {
  position: relative;
}

.hero-media-card {
  position: relative;
  border-radius: 20px;
  overflow: hidden;
  border: 1px solid var(--border-color);
  background: var(--bg-surface);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.6);
  transition: transform 0.4s ease, box-shadow 0.4s ease;
}

.hero-media-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 24px 60px rgba(0, 240, 255, 0.15);
}

.hero-media-card img {
  width: 100%;
  height: auto;
  display: block;
}

.media-badge {
  position: absolute;
  bottom: 16px;
  left: 16px;
  right: 16px;
  background: rgba(10, 14, 22, 0.85);
  backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  padding: 12px 18px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.media-badge .badge-title {
  font-size: 0.85rem;
  font-weight: 700;
}

.media-badge .badge-sub {
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* Live Simulator Section */
.simulator-section {
  padding: 90px 0;
  background: linear-gradient(180deg, var(--bg-base) 0%, #090d14 100%);
}

.section-header {
  text-align: center;
  margin-bottom: 50px;
}

.section-tag {
  color: var(--accent-amber);
  font-size: 0.8rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 2px;
  margin-bottom: 8px;
}

.section-title {
  font-size: 2.5rem;
  font-weight: 800;
  margin-bottom: 14px;
}

.section-subtitle {
  color: var(--text-muted);
  font-size: 1.05rem;
  max-width: 640px;
  margin: 0 auto;
}

/* Simulator Canvas Container */
.sim-container {
  background: var(--bg-surface);
  border-radius: 20px;
  border: 1px solid var(--border-color);
  padding: 24px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.7);
}

.sim-display-frame {
  position: relative;
  background: #000;
  border-radius: 14px;
  overflow: hidden;
  box-shadow: inset 0 0 40px rgba(0,0,0,0.8);
  border: 4px solid #1a2230;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.sim-display-frame.alert-warning {
  border-color: var(--accent-amber);
  box-shadow: 0 0 35px rgba(255, 157, 0, 0.4), inset 0 0 20px rgba(255, 157, 0, 0.2);
}

.sim-display-frame.alert-critical {
  border-color: var(--accent-red);
  box-shadow: 0 0 45px rgba(255, 42, 75, 0.6), inset 0 0 30px rgba(255, 42, 75, 0.3);
  animation: frameStrobe 0.2s infinite alternate;
}

@keyframes frameStrobe {
  from { border-color: var(--accent-red); }
  to { border-color: #ff8598; }
}

#adasCanvas {
  width: 100%;
  height: 480px;
  display: block;
  background: #05070a;
}

/* Simulator Controls */
.sim-controls-bar {
  display: grid;
  grid-template-columns: 1.2fr 1fr 0.8fr;
  gap: 24px;
  align-items: center;
  margin-top: 24px;
  padding: 16px 20px;
  background: rgba(255, 255, 255, 0.02);
  border-radius: 12px;
  border: 1px solid var(--border-color);
}

.sim-btn-group {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.sim-scenario-btn {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-color);
  color: var(--text-muted);
  padding: 8px 14px;
  border-radius: 6px;
  font-size: 0.8rem;
  cursor: pointer;
  transition: all 0.2s;
}

.sim-scenario-btn:hover {
  color: #fff;
  background: rgba(255, 255, 255, 0.1);
}

.sim-scenario-btn.active {
  background: var(--accent-amber);
  color: #000;
  font-weight: 700;
  border-color: var(--accent-amber);
}

.sim-slider-wrap {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.sim-slider-wrap label {
  font-size: 0.8rem;
  color: var(--text-muted);
  display: flex;
  justify-content: space-between;
}

.sim-slider-wrap input[type=range] {
  accent-color: var(--accent-cyan);
  cursor: pointer;
}

.sim-toggles {
  display: flex;
  justify-content: flex-end;
  gap: 12px;
}

.icon-btn {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-color);
  color: var(--text-main);
  padding: 8px 14px;
  border-radius: 6px;
  font-size: 0.85rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 6px;
  transition: all 0.2s;
}

.icon-btn:hover {
  background: rgba(255, 255, 255, 0.15);
  border-color: var(--accent-cyan);
}

.icon-btn.active {
  background: rgba(0, 240, 255, 0.2);
  border-color: var(--accent-cyan);
  color: var(--accent-cyan);
}

/* Feature Grid */
.features-section {
  padding: 90px 0;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 32px 28px;
  transition: all 0.3s ease;
  position: relative;
  backdrop-filter: blur(8px);
}

.feature-card:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-glow);
  transform: translateY(-4px);
}

.feature-icon {
  width: 50px;
  height: 50px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 20px;
}

.feature-icon.cyan { background: rgba(0, 240, 255, 0.15); color: var(--accent-cyan); }
.feature-icon.amber { background: rgba(255, 157, 0, 0.15); color: var(--accent-amber); }
.feature-icon.red { background: rgba(255, 42, 75, 0.15); color: var(--accent-red); }

.feature-card h3 {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 12px;
}

.feature-card p {
  color: var(--text-muted);
  font-size: 0.92rem;
  line-height: 1.6;
}

/* Comparison Table Section */
.comparison-section {
  padding: 90px 0;
  background: #080b11;
}

.table-wrap {
  overflow-x: auto;
  border-radius: 16px;
  border: 1px solid var(--border-color);
  background: var(--bg-surface);
}

.spec-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.95rem;
}

.spec-table th, .spec-table td {
  padding: 16px 20px;
  border-bottom: 1px solid var(--border-color);
}

.spec-table th {
  background: rgba(255, 255, 255, 0.03);
  font-weight: 700;
  color: #fff;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.spec-table tr.highlight-row {
  background: rgba(0, 240, 255, 0.05);
}

.spec-table tr.highlight-row td {
  border-bottom: 2px solid var(--accent-cyan);
  font-weight: 600;
  color: #fff;
}

.badge-tag {
  display: inline-block;
  padding: 3px 8px;
  border-radius: 4px;
  font-size: 0.75rem;
  font-weight: 700;
}

.badge-tag.win { background: rgba(48, 209, 88, 0.2); color: var(--accent-green); }
.badge-tag.lose { background: rgba(255, 42, 75, 0.15); color: var(--accent-red); }
.badge-tag.neutral { background: rgba(255, 255, 255, 0.08); color: var(--text-muted); }

/* BOM Calculator Section */
.bom-section {
  padding: 90px 0;
}

.bom-card {
  background: var(--bg-surface);
  border-radius: 20px;
  border: 1px solid var(--border-color);
  padding: 36px;
}

.bom-tabs {
  display: flex;
  gap: 12px;
  margin-bottom: 28px;
}

.bom-tab-btn {
  padding: 10px 20px;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-color);
  color: var(--text-muted);
  cursor: pointer;
  font-weight: 600;
  font-size: 0.9rem;
  transition: all 0.2s;
}

.bom-tab-btn.active {
  background: var(--accent-cyan);
  color: #000;
  border-color: var(--accent-cyan);
}

.bom-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px;
  margin-bottom: 28px;
}

.bom-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 14px 18px;
  background: rgba(255, 255, 255, 0.02);
  border-radius: 10px;
  border: 1px solid var(--border-color);
}

.bom-item-name {
  font-weight: 600;
  font-size: 0.9rem;
}

.bom-item-note {
  font-size: 0.78rem;
  color: var(--text-dim);
}

.bom-item-price {
  font-family: var(--font-mono);
  font-weight: 700;
  color: var(--accent-amber);
}

.bom-total-box {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 24px;
  background: rgba(255, 157, 0, 0.08);
  border: 1px solid rgba(255, 157, 0, 0.3);
  border-radius: 12px;
}

.bom-total-val {
  font-size: 1.8rem;
  font-weight: 900;
  color: var(--accent-amber);
  font-family: var(--font-mono);
}

/* Circuit Wiring Section */
.circuit-section {
  padding: 90px 0;
  background: #080b11;
}

.circuit-schematic-box {
  background: #040608;
  border: 1px solid #1a2230;
  border-radius: 14px;
  padding: 24px;
  font-family: var(--font-mono);
  color: var(--accent-cyan);
  overflow-x: auto;
  line-height: 1.4;
  margin-bottom: 28px;
}

/* Gallery & Posters */
.posters-section {
  padding: 90px 0;
}

.posters-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.poster-item {
  border-radius: 16px;
  overflow: hidden;
  border: 1px solid var(--border-color);
  background: var(--bg-surface);
  position: relative;
  transition: transform 0.3s;
}

.poster-item:hover {
  transform: scale(1.02);
}

.poster-item img {
  width: 100%;
  height: auto;
  display: block;
}

.poster-caption {
  padding: 14px 18px;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-main);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

/* Open Hardware & Downloads */
.downloads-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
  margin-top: 32px;
}

.download-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 24px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: all 0.25s ease;
  backdrop-filter: blur(12px);
}

.download-card:hover {
  transform: translateY(-4px);
  border-color: var(--accent-cyan);
  box-shadow: 0 8px 24px rgba(0, 240, 255, 0.15);
}

.download-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
}

.download-icon {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  background: rgba(0, 240, 255, 0.1);
  color: var(--accent-cyan);
}

.download-icon.amber {
  background: rgba(255, 157, 0, 0.1);
  color: var(--accent-amber);
}

.download-icon.green {
  background: rgba(48, 209, 88, 0.1);
  color: var(--accent-green);
}

.download-meta {
  font-size: 0.75rem;
  color: var(--text-dim);
  font-family: var(--font-mono);
  margin-top: 4px;
}

/* Footer */
footer {
  padding: 60px 0 30px;
  border-top: 1px solid var(--border-color);
  background: var(--bg-base);
  color: var(--text-dim);
  font-size: 0.85rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}

.footer-brand h4 {
  color: #fff;
  font-size: 1.2rem;
  margin-bottom: 12px;
}

.footer-col h5 {
  color: #fff;
  margin-bottom: 16px;
  font-size: 0.9rem;
}

.footer-col ul {
  list-style: none;
}

.footer-col li {
  margin-bottom: 8px;
}

.footer-bottom {
  text-align: center;
  padding-top: 24px;
  border-top: 1px solid var(--border-color);
}

/* Responsive */
@media (max-width: 968px) {
  .hero-grid { grid-template-columns: 1fr; }
  .features-grid { grid-template-columns: 1fr; }
  .downloads-grid { grid-template-columns: 1fr; }
  .posters-grid { grid-template-columns: 1fr; }
  .sim-controls-bar { grid-template-columns: 1fr; }
  .bom-list { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}