/* ==========================================================================
   CELALSTUDIO - PREMIUM AUTONOMOUS ENGINEERING & PRODUCT STUDIO
   Typography: Space Grotesk (Headings), Inter (Body), JetBrains Mono (Tech/Metrics)
   Color System: Deep Obsidian Dark, Violet/Indigo Accents, Emerald/Mint Metrics
   ========================================================================== */

:root {
  --bg: #0A0A10;
  --bg-elevated: #0F0F18;
  --surface: #14141F;
  --surface-2: #191927;
  --surface-hover: #1E1E30;
  
  --border: #242437;
  --border-soft: #1B1B28;
  --border-highlight: rgba(124, 108, 251, 0.45);
  
  --text: #F1F0F7;
  --text-muted: #9998AC;
  --text-faint: #5C5B70;
  
  --accent: #7C6CFB;
  --accent-hover: #6B5AE8;
  --accent-2: #C084FC;
  --accent-soft: rgba(124, 108, 251, 0.12);
  --accent-glow: rgba(124, 108, 251, 0.35);
  
  --mint: #3FD9B3;
  --mint-soft: rgba(63, 217, 179, 0.12);
  --mint-glow: rgba(63, 217, 179, 0.3);
  
  --amber: #F59E0B;
  --red: #EF4444;
  --blue: #38BDF8;
  
  --radius-sm: 8px;
  --radius: 14px;
  --radius-lg: 22px;
  --radius-xl: 30px;
  --radius-full: 9999px;
  
  --maxw: 1200px;
  --transition-fast: 0.15s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-smooth: 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  background-color: var(--bg);
  color: var(--text);
  overflow-x: clip;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  line-height: 1.58;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: clip;
  position: relative;
}

h1, h2, h3, h4, h5, h6 {
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 600;
  letter-spacing: -0.025em;
  color: var(--text);
  line-height: 1.15;
}

a {
  color: inherit;
  text-decoration: none;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

.mono {
  font-family: 'JetBrains Mono', monospace;
}

.wrap, .container {
  width: 100%;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 28px;
  box-sizing: border-box;
  position: relative;
}

::selection {
  background: var(--accent);
  color: #FFFFFF;
}

:focus-visible {
  outline: 2px solid var(--accent-2);
  outline-offset: 3px;
}

/* Ambient Glow */
.glow {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  background:
    radial-gradient(750px 520px at 15% -5%, rgba(124, 108, 251, 0.16), transparent 60%),
    radial-gradient(650px 520px at 100% 10%, rgba(192, 132, 252, 0.10), transparent 60%),
    radial-gradient(600px 600px at 50% 80%, rgba(63, 217, 179, 0.05), transparent 65%);
}

/* Gradient Text */
.grad {
  background: linear-gradient(105deg, var(--accent) 0%, var(--accent-2) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  display: inline-block;
}

/* Eyebrow Pill */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 12.5px;
  font-weight: 500;
  color: var(--mint);
  background: var(--mint-soft);
  border: 1px solid rgba(63, 217, 179, 0.25);
  padding: 6px 14px;
  border-radius: var(--radius-full);
  letter-spacing: 0.02em;
  margin-bottom: 22px;
}

.dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--mint);
  box-shadow: 0 0 8px var(--mint);
  animation: pulseDot 2s infinite ease-in-out;
}

@keyframes pulseDot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.35; transform: scale(0.85); }
}

/* Buttons */
.btn-primary {
  background: linear-gradient(100deg, var(--accent), var(--accent-2));
  color: #FFFFFF;
  padding: 13px 26px;
  border-radius: 10px;
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 600;
  font-size: 15px;
  box-shadow: 0 8px 30px -8px var(--accent-glow);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border: none;
  cursor: pointer;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 34px -8px rgba(124, 108, 251, 0.65);
  color: #FFFFFF;
}

.btn-ghost {
  border: 1px solid var(--border);
  color: var(--text);
  padding: 13px 24px;
  border-radius: 10px;
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 600;
  font-size: 15px;
  background: transparent;
  transition: border-color var(--transition-fast), background var(--transition-fast), transform var(--transition-fast);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  cursor: pointer;
}

.btn-ghost:hover {
  border-color: var(--accent);
  background: var(--accent-soft);
  transform: translateY(-2px);
}

.btn-sm {
  padding: 8px 16px;
  font-size: 13.5px;
  border-radius: 8px;
}

.btn-block {
  width: 100%;
}

/* ==========================================================================
   HEADER & NAVIGATION
   ========================================================================== */

header, .site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(10, 10, 16, 0.88);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-soft);
}

nav.wrap, .header-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.logo, .brand-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 700;
  font-size: 19px;
  letter-spacing: -0.03em;
  text-decoration: none;
}

.brand-name {
  font-size: 1.25rem;
  font-weight: 800;
  color: #FFFFFF;
}

.brand-tag {
  display: block;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.62rem;
  color: var(--text-muted);
  letter-spacing: 0.1em;
}

.logo-mark {
  width: 24px;
  height: 24px;
  border-radius: 7px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  flex-shrink: 0;
  box-shadow: 0 0 12px rgba(124, 108, 251, 0.4);
}

.nav-links, .nav-menu .nav-list {
  display: flex;
  align-items: center;
  list-style: none;
  gap: 28px;
  margin: 0;
  padding: 0;
  font-size: 14.5px;
  font-weight: 500;
  color: var(--text-muted);
}

.nav-links a, .nav-link {
  color: var(--text-muted);
  text-decoration: none;
  font-family: 'Space Grotesk', sans-serif;
  font-size: 14.5px;
  font-weight: 500;
  transition: color var(--transition-fast);
}

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

.nav-actions, .header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.nav-cta {
  background: var(--text);
  color: #0A0A10;
  padding: 9px 18px;
  border-radius: 9px;
  font-family: 'Space Grotesk', sans-serif;
  font-size: 14px;
  font-weight: 600;
  transition: opacity var(--transition-fast), transform var(--transition-fast);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.nav-cta:hover {
  opacity: 0.88;
  transform: translateY(-1px);
}

.mobile-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  width: 38px;
  height: 38px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  cursor: pointer;
  padding: 8px;
}

.mobile-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: transform 0.25s ease, opacity 0.2s ease;
}

.mobile-toggle.active span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.mobile-toggle.active span:nth-child(2) {
  opacity: 0;
}

.mobile-toggle.active span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ==========================================================================
   HERO SECTION
   ========================================================================== */

.hero {
  position: relative;
  z-index: 1;
  padding: 72px 0 60px;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.12fr 0.88fr;
  align-items: center;
  gap: 52px;
  margin-bottom: 56px;
}

.hero-content {
  display: flex;
  flex-direction: column;
}

.hero h1 {
  font-size: clamp(34px, 4.4vw, 54px);
  line-height: 1.08;
  margin-bottom: 20px;
}

.hero p.sub {
  font-size: 16.5px;
  color: var(--text-muted);
  max-width: 580px;
  margin-bottom: 30px;
  line-height: 1.6;
}

.hero-ctas {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  margin-bottom: 24px;
}

.hero-micro-trust {
  display: flex;
  align-items: center;
  gap: 16px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 11.5px;
  color: var(--text-faint);
  flex-wrap: wrap;
}

.hero-micro-trust span {
  display: flex;
  align-items: center;
  gap: 6px;
}

.hero-micro-trust .trust-dot {
  color: var(--mint);
}

/* ==========================================================================
   HERO RIGHT: 3D INTERACTIVE ISOMETRIC ECOSYSTEM DECK
   ========================================================================== */

.hero-3d-stage {
  perspective: 1200px;
  perspective-origin: 50% 50%;
  width: 100%;
  display: flex;
  justify-content: center;
  align-items: center;
  position: relative;
}

.hero-3d-deck {
  position: relative;
  width: 100%;
  max-width: 520px;
  transform-style: preserve-3d;
  transform: rotateX(var(--tilt-x, 8deg)) rotateY(var(--tilt-y, -12deg));
  transition: transform 0.2s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.3s ease;
  cursor: grab;
}

.hero-3d-deck:active {
  cursor: grabbing;
}

/* Background 3D Orbital Glow */
.deck-ambient-glow {
  position: absolute;
  inset: -20px;
  border-radius: var(--radius-xl);
  background: radial-gradient(circle at var(--mouse-x, 50%) var(--mouse-y, 50%), rgba(124, 108, 251, 0.35), rgba(63, 217, 179, 0.15) 50%, transparent 70%);
  filter: blur(35px);
  pointer-events: none;
  transform: translateZ(-20px);
  opacity: 0.8;
  transition: opacity 0.3s ease;
}

/* Layer 1: Main 3D SaaS & Cloud Dashboard Window */
.plane-saas-dashboard {
  position: relative;
  background: rgba(20, 20, 31, 0.95);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: 0 30px 80px -20px rgba(0, 0, 0, 0.8), 0 0 0 1px rgba(124, 108, 251, 0.25);
  transform: translateZ(25px);
  overflow: hidden;
  transition: border-color var(--transition-fast);
}

.hero-3d-deck:hover .plane-saas-dashboard {
  border-color: var(--border-highlight);
}

.dashboard-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 18px;
  background: var(--bg-elevated);
  border-bottom: 1px solid var(--border-soft);
}

.dash-title-box {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 11.5px;
  color: var(--text-muted);
}

.dash-live-badge {
  font-family: 'JetBrains Mono', monospace;
  font-size: 10.5px;
  color: var(--mint);
  background: var(--mint-soft);
  padding: 3px 8px;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  gap: 5px;
  font-weight: 600;
}

.dashboard-body {
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.dash-node-row {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.dash-node-chip {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-soft);
  padding: 4px 10px;
  border-radius: 6px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 5px;
}

.dash-node-chip .chip-dot {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--accent-2);
}

.dash-graph-card {
  background: #090910;
  border: 1px solid var(--border-soft);
  border-radius: var(--radius);
  padding: 14px 16px;
}

.graph-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 8px;
}

.gh-title {
  font-size: 11px;
  font-family: 'JetBrains Mono', monospace;
  color: var(--text-muted);
}

.gh-metric {
  font-family: 'JetBrains Mono', monospace;
  font-size: 13px;
  font-weight: 700;
  color: var(--mint);
}

.graph-wave-svg {
  width: 100%;
  height: 48px;
}

.dash-kpis-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
}

.dash-kpi {
  background: var(--bg-elevated);
  border: 1px solid var(--border-soft);
  padding: 10px 12px;
  border-radius: 8px;
}

.kpi-lbl {
  font-size: 10.5px;
  font-family: 'JetBrains Mono', monospace;
  color: var(--text-faint);
  display: block;
}

.kpi-val {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 14px;
  font-weight: 700;
  color: #FFFFFF;
  margin-top: 2px;
  display: block;
}

/* Layer 2: Floating 3D Mobile Phone Mockup */
.plane-phone-device {
  position: absolute;
  right: -24px;
  bottom: -32px;
  width: 190px;
  background: rgba(15, 15, 24, 0.95);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 2px solid rgba(255, 255, 255, 0.12);
  border-radius: 28px;
  padding: 8px;
  box-shadow: 0 30px 60px -15px rgba(0, 0, 0, 0.85), 0 0 20px rgba(124, 108, 251, 0.35);
  transform: translateZ(75px);
  transition: transform var(--transition-smooth);
}

.hero-3d-deck:hover .plane-phone-device {
  transform: translateZ(85px) translateY(-4px);
}

.phone-notch-bar {
  width: 54px;
  height: 9px;
  background: #090910;
  border-radius: 0 0 6px 6px;
  margin: 0 auto 6px;
}

.phone-inner-screen {
  background: #08080E;
  border-radius: 20px;
  padding: 12px 10px;
  border: 1px solid var(--border-soft);
}

.phone-app-header {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-bottom: 10px;
}

.phone-app-avatar {
  width: 22px;
  height: 22px;
  border-radius: 6px;
  background: linear-gradient(135deg, var(--accent), var(--mint));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 10px;
  color: #FFFFFF;
  font-weight: 700;
}

.phone-app-name {
  font-size: 11px;
  font-weight: 700;
  color: #FFFFFF;
  line-height: 1.1;
}

.phone-app-sub {
  font-size: 9px;
  font-family: 'JetBrains Mono', monospace;
  color: var(--mint);
}

.phone-feature-card {
  background: rgba(124, 108, 251, 0.14);
  border: 1px solid rgba(124, 108, 251, 0.35);
  border-radius: 8px;
  padding: 8px;
  text-align: center;
  margin-bottom: 8px;
}

.pfc-title {
  font-size: 10.5px;
  font-weight: 700;
  color: #FFFFFF;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 4px;
}

.pfc-sub {
  font-size: 8.5px;
  font-family: 'JetBrains Mono', monospace;
  color: var(--accent-2);
  margin-top: 2px;
}

.phone-mini-stat-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6px;
}

.p-stat {
  background: var(--surface-2);
  padding: 6px;
  border-radius: 6px;
  border: 1px solid var(--border-soft);
  text-align: center;
}

.p-stat-lbl {
  font-size: 8px;
  color: var(--text-faint);
  display: block;
}

.p-stat-val {
  font-family: 'JetBrains Mono', monospace;
  font-size: 10.5px;
  font-weight: 700;
  color: var(--mint);
}

/* Layer 3: Super-Floating Holographic 3D Badges */
.hologram-3d-badge {
  position: absolute;
  background: rgba(20, 20, 31, 0.96);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 9px 14px;
  display: flex;
  align-items: center;
  gap: 9px;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.7);
  z-index: 20;
  transform: translateZ(105px);
  transition: transform var(--transition-smooth);
}

.h3d-top {
  top: -24px;
  left: -20px;
  border-color: rgba(124, 108, 251, 0.5);
  box-shadow: 0 15px 35px rgba(124, 108, 251, 0.25);
  animation: float3DA 4s ease-in-out infinite alternate;
}

.h3d-bottom {
  bottom: -22px;
  left: 20px;
  border-color: rgba(63, 217, 179, 0.5);
  box-shadow: 0 15px 35px rgba(63, 217, 179, 0.2);
  animation: float3DB 4.5s ease-in-out infinite alternate;
}

.h3d-icon {
  font-size: 18px;
}

.h3d-text strong {
  display: block;
  font-family: 'Space Grotesk', sans-serif;
  font-size: 12px;
  font-weight: 700;
  color: #FFFFFF;
}

.h3d-text small {
  display: block;
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px;
  color: var(--text-muted);
}

@keyframes float3DA {
  0% { transform: translateZ(105px) translateY(0px); }
  100% { transform: translateZ(115px) translateY(-8px); }
}

@keyframes float3DB {
  0% { transform: translateZ(100px) translateY(0px); }
  100% { transform: translateZ(110px) translateY(6px); }
}

/* Live Status Signature Panel */
.status-panel {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 6px;
  box-shadow: 0 30px 80px -30px rgba(0, 0, 0, 0.6);
  position: relative;
  overflow: hidden;
}

.status-panel-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 18px;
  border-bottom: 1px solid var(--border-soft);
}

.status-title {
  display: flex;
  align-items: center;
  gap: 9px;
  font-size: 13px;
  color: var(--text-muted);
}

.traffic-dots {
  display: flex;
  gap: 6px;
}

.traffic-dots span {
  width: 9px;
  height: 9px;
  border-radius: 50%;
}

.dot-r { background: #EF4444; }
.dot-y { background: #F59E0B; }
.dot-g { background: #10B981; }

.status-list {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--border-soft);
}

.status-item {
  background: var(--surface);
  padding: 18px 18px 16px;
  transition: background var(--transition-fast);
}

.status-item:hover {
  background: var(--surface-2);
}

.status-item .name {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 14.5px;
  font-weight: 700;
  margin-bottom: 3px;
  color: var(--text);
}

.status-item .tag {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  color: var(--text-faint);
  margin-bottom: 12px;
  display: block;
}

.status-item .metric-row {
  display: flex;
  align-items: baseline;
  gap: 6px;
}

.status-item .metric {
  font-family: 'JetBrains Mono', monospace;
  font-size: 21px;
  font-weight: 700;
  color: var(--text);
}

.status-item .metric-label {
  font-size: 11px;
  color: var(--text-muted);
}

.status-item .pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 10px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 10.5px;
  color: var(--mint);
  font-weight: 600;
}

.status-item .pill .dot {
  width: 5px;
  height: 5px;
}

/* Stat Row */
.stat-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid var(--border-soft);
  border-bottom: 1px solid var(--border-soft);
  margin-top: 56px;
}

.stat-cell {
  padding: 24px 20px;
  border-right: 1px solid var(--border-soft);
}

.stat-cell:last-child {
  border-right: none;
}

.stat-cell .num {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 28px;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text);
}

.stat-cell .lbl {
  font-size: 13px;
  color: var(--text-muted);
  margin-top: 2px;
}

/* ==========================================================================
   SECTION SHARED
   ========================================================================== */

section {
  position: relative;
  z-index: 1;
  padding: 96px 0;
}

.section-head {
  max-width: 780px;
  margin: 0 auto 52px;
  text-align: center;
}

.section-head.left {
  margin-left: 0;
  margin-right: auto;
  text-align: left;
}

.section-eyebrow,
.section-tag-pill {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11.5px;
  font-weight: 600;
  color: var(--accent-2);
  background: rgba(192, 132, 252, 0.08);
  border: 1px solid rgba(192, 132, 252, 0.22);
  padding: 4px 12px;
  border-radius: 20px;
  letter-spacing: 0.06em;
  margin: 0 auto 16px;
  display: inline-block;
  text-transform: uppercase;
}

.section-head.left .section-eyebrow,
.section-head.left .section-tag-pill {
  margin-left: 0;
}

.section-head h2,
.section-title {
  font-family: 'Space Grotesk', sans-serif;
  font-size: clamp(28px, 3.6vw, 42px);
  font-weight: 700;
  line-height: 1.18;
  letter-spacing: -0.02em;
  color: #FFFFFF;
  margin-bottom: 14px;
}

.section-head p,
.section-sub {
  color: var(--text-muted);
  font-size: 16px;
  line-height: 1.65;
  max-width: 680px;
  margin: 0 auto;
}

.section-head.left p,
.section-head.left .section-sub {
  margin-left: 0;
}

/* Crisp Clean Checkmark Bullet */
.feature-check {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: rgba(63, 217, 179, 0.14);
  color: var(--mint);
  flex-shrink: 0;
  font-size: 11px;
  font-weight: 700;
  margin-right: 6px;
}

/* ==========================================================================
   FLAGSHIP PRODUCTS SHOWCASE
   ========================================================================== */

.product-row {
  display: flex;
  align-items: center;
  gap: 56px;
  padding: 60px 0;
  border-bottom: 1px solid var(--border-soft);
}

.product-row:last-child {
  border-bottom: none;
}

.product-row:nth-child(even) {
  flex-direction: row-reverse;
}

.product-col {
  flex: 1;
  min-width: 0;
}

.product-tag {
  display: inline-block;
  font-family: 'JetBrains Mono', monospace;
  font-size: 11.5px;
  font-weight: 600;
  color: var(--mint);
  background: var(--mint-soft);
  padding: 4px 10px;
  border-radius: 6px;
  margin-bottom: 14px;
}

.product-col h3 {
  font-size: 27px;
  font-weight: 700;
  margin-bottom: 10px;
}

.product-col .product-desc {
  color: var(--text-muted);
  font-size: 15px;
  line-height: 1.6;
  margin-bottom: 22px;
}

.feature-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px 16px;
  margin-bottom: 26px;
}

.feature-list li {
  list-style: none;
  display: flex;
  align-items: flex-start;
  gap: 8px;
  font-size: 13.5px;
  color: var(--text);
  line-height: 1.45;
}

.feature-list li::before {
  content: "";
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--accent-2);
  margin-top: 6px;
  flex-shrink: 0;
}

.product-link {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 13px 24px;
  border-radius: var(--radius-full);
  background: linear-gradient(135deg, rgba(124, 108, 251, 0.15) 0%, rgba(192, 132, 252, 0.25) 100%);
  border: 1.5px solid rgba(192, 132, 252, 0.5);
  color: #FFFFFF;
  font-family: 'Space Grotesk', sans-serif;
  font-size: 14.5px;
  font-weight: 700;
  text-decoration: none;
  box-shadow: 0 4px 20px rgba(124, 108, 251, 0.25);
  transition: all var(--transition-fast);
  position: relative;
  overflow: hidden;
}

.product-link::before {
  content: "";
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
  transition: left 0.5s ease;
}

.product-link:hover::before {
  left: 100%;
}

.product-link:hover {
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-2) 100%);
  border-color: rgba(255, 255, 255, 0.4);
  color: #FFFFFF;
  transform: translateY(-2px);
  box-shadow: 0 10px 30px rgba(124, 108, 251, 0.5);
  gap: 14px;
}

.product-link .link-arrow {
  font-size: 16px;
  transition: transform var(--transition-fast);
}

.product-link:hover .link-arrow {
  transform: translateX(4px);
}

/* Rich Real Product Mockup Window */
.mockup-window {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 30px 70px -30px rgba(0, 0, 0, 0.6);
  transition: border-color var(--transition-fast);
}

.mockup-window:hover {
  border-color: var(--border-highlight);
}

.mockup-window-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 16px;
  background: var(--bg-elevated);
  border-bottom: 1px solid var(--border-soft);
  gap: 10px;
}

.mockup-tabs {
  display: flex;
  gap: 6px;
  overflow-x: auto;
}

.mockup-tab-btn {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-soft);
  color: var(--text-muted);
  padding: 4px 10px;
  border-radius: 6px;
  font-family: 'Space Grotesk', sans-serif;
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  white-space: nowrap;
  transition: all var(--transition-fast);
}

.mockup-tab-btn:hover {
  color: var(--text);
  background: rgba(255, 255, 255, 0.08);
}

.mockup-tab-btn.active {
  color: #FFFFFF;
  background: var(--accent);
  border-color: var(--accent);
}

.mockup-screen-container {
  position: relative;
  background: #000000;
  cursor: pointer;
  overflow: hidden;
}

.mockup-screen-img {
  width: 100%;
  height: auto;
  display: block;
  transition: transform 0.4s ease;
}

.mockup-screen-container:hover .mockup-screen-img {
  transform: scale(1.02);
}

.mockup-screen-overlay {
  position: absolute;
  inset: 0;
  background: rgba(10, 10, 16, 0.4);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity 0.2s ease;
}

.mockup-screen-container:hover .mockup-screen-overlay {
  opacity: 1;
}

.mockup-zoom-badge {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  color: #FFFFFF;
  background: rgba(124, 108, 251, 0.85);
  backdrop-filter: blur(8px);
  padding: 6px 12px;
  border-radius: var(--radius-full);
}

/* ==========================================================================
   PHONE MOCKUP FRAME (Mobile Apps & 2D Games)
   ========================================================================== */

.phone-mockup-wrapper {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 24px 20px;
  display: flex;
  flex-direction: column;
  align-items: center;
  box-shadow: 0 30px 70px -30px rgba(0, 0, 0, 0.6);
  transition: border-color var(--transition-fast);
}

.phone-mockup-wrapper:hover {
  border-color: var(--border-highlight);
}

.phone-device-frame {
  width: 100%;
  max-width: 280px;
  background: #000000;
  border: 8px solid #20202F;
  border-radius: 46px;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.9), inset 0 0 0 1px rgba(255, 255, 255, 0.12), 0 0 0 1px rgba(255, 255, 255, 0.05);
  position: relative;
  overflow: hidden;
  margin: 16px auto 0;
  cursor: pointer;
}

.phone-dynamic-island {
  position: absolute;
  top: 10px;
  left: 50%;
  transform: translateX(-50%);
  width: 84px;
  height: 20px;
  background: #000000;
  border-radius: 12px;
  z-index: 5;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  padding-right: 8px;
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.8);
}

.phone-camera-lens {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #111122;
  border: 1px solid #222233;
}

.phone-device-screen {
  width: 100%;
  aspect-ratio: 9 / 19.5;
  background: #000000;
  display: block;
  object-fit: cover;
  border-radius: 38px;
  transition: transform 0.4s ease;
}

.phone-device-frame:hover .phone-device-screen {
  transform: scale(1.02);
}

.phone-device-overlay {
  position: absolute;
  inset: 0;
  background: rgba(10, 10, 16, 0.35);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity 0.2s ease;
  border-radius: 38px;
  z-index: 6;
}

.phone-device-frame:hover .phone-device-overlay {
  opacity: 1;
}

/* ==========================================================================
   APP & GAME HORIZONTAL FLOW SHOWCASE (Infinite Smooth Marquee)
   ========================================================================== */

.app-flow-section {
  width: 100%;
  overflow: hidden;
  padding: 30px 0 50px;
  position: relative;
  mask-image: linear-gradient(to right, transparent, black 8%, black 92%, transparent);
  -webkit-mask-image: linear-gradient(to right, transparent, black 8%, black 92%, transparent);
}

.app-flow-track {
  display: flex;
  gap: 32px;
  width: max-content;
  animation: appFlowMarquee 38s linear infinite;
  padding: 10px 0;
}

.app-flow-track:hover {
  animation-play-state: paused;
}

@keyframes appFlowMarquee {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

.app-flow-item {
  width: 250px;
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
  cursor: pointer;
  transition: transform 0.35s cubic-bezier(0.16, 1, 0.3, 1);
  text-decoration: none;
}

.app-flow-item:hover {
  transform: translateY(-8px) scale(1.03);
}

.app-flow-item .phone-device-frame {
  margin: 0;
  max-width: 240px;
  border-width: 7px;
  border-radius: 42px;
  box-shadow: 0 20px 40px -10px rgba(0, 0, 0, 0.8), 0 0 25px rgba(124, 108, 251, 0.15);
}

.app-flow-item:hover .phone-device-frame {
  border-color: #3B3B54;
  box-shadow: 0 25px 50px -10px rgba(0, 0, 0, 0.9), 0 0 35px rgba(124, 108, 251, 0.35);
}

.app-flow-item-info {
  text-align: center;
}

.app-flow-item-title {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 15px;
  font-weight: 700;
  color: #FFFFFF;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
}

.app-flow-item-tag {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  color: var(--blue, #38BDF8);
  margin-top: 3px;
  display: block;
}

/* ==========================================================================
   SERVICES GRID
   ========================================================================== */

.services-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--border-soft);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.service-card {
  background: var(--bg-elevated);
  padding: 32px 26px;
  transition: background var(--transition-fast), transform var(--transition-fast);
}

.service-card:hover {
  background: var(--surface);
}

.service-glyph {
  width: 36px;
  height: 36px;
  border-radius: 9px;
  background: var(--accent-soft);
  border: 1px solid rgba(124, 108, 251, 0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: 'JetBrains Mono', monospace;
  font-size: 13px;
  font-weight: 700;
  color: var(--accent-2);
  margin-bottom: 20px;
}

.service-card h4 {
  font-size: 17px;
  font-weight: 700;
  margin-bottom: 8px;
}

.service-card p {
  font-size: 13.5px;
  color: var(--text-muted);
  line-height: 1.55;
}

/* ==========================================================================
   ENGINEERING STANDARDS
   ========================================================================== */

.standards-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--border-soft);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.standard-card {
  background: var(--bg-elevated);
  padding: 30px 24px;
  transition: background var(--transition-fast);
}

.standard-card:hover {
  background: var(--surface);
}

.standard-num {
  font-family: 'JetBrains Mono', monospace;
  font-size: 13px;
  font-weight: 600;
  color: var(--mint);
  background: var(--mint-soft);
  border: 1px solid rgba(63, 217, 179, 0.25);
  display: inline-block;
  padding: 2px 8px;
  border-radius: 4px;
  margin-bottom: 14px;
}

.standard-card h4 {
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 8px;
}

.standard-card p {
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.55;
}

/* ==========================================================================
   PROCESS LINE
   ========================================================================== */

.process-line {
  position: relative;
  display: flex;
  justify-content: space-between;
  gap: 16px;
}

.process-line::before {
  content: "";
  position: absolute;
  top: 19px;
  left: 0;
  right: 0;
  height: 1px;
  background: var(--border);
}

.process-step {
  position: relative;
  flex: 1;
  min-width: 0;
}

.process-num {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: var(--bg);
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: 'JetBrains Mono', monospace;
  font-size: 13px;
  font-weight: 700;
  color: var(--accent-2);
  margin-bottom: 18px;
  position: relative;
  z-index: 1;
}

.process-step h4 {
  font-size: 15.5px;
  font-weight: 700;
  margin-bottom: 8px;
}

.process-step p {
  font-size: 13.5px;
  color: var(--text-muted);
  line-height: 1.5;
}

/* ==========================================================================
   DELIVERED CASE STUDIES & REFERENCES
   ========================================================================== */

.ref-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
}

.ref-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  position: relative;
  transition: transform var(--transition-fast), border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.ref-card:hover {
  transform: translateY(-4px);
  border-color: var(--border-highlight);
  box-shadow: 0 20px 40px -15px rgba(0, 0, 0, 0.7);
}

.ref-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 16px;
}

.ref-client-name {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 19px;
  font-weight: 700;
  color: #FFFFFF;
}

.ref-sector-tag {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  color: var(--mint);
  background: rgba(63, 217, 179, 0.1);
  border: 1px solid rgba(63, 217, 179, 0.25);
  padding: 3px 8px;
  border-radius: 4px;
  white-space: nowrap;
}

.ref-summary {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 20px;
}

.ref-kpi-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  background: var(--bg-elevated);
  border: 1px solid var(--border-soft);
  border-radius: 10px;
  padding: 14px 16px;
  margin-bottom: 20px;
}

.ref-kpi-item {
  text-align: center;
}

.ref-kpi-val {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 18px;
  font-weight: 700;
  color: var(--mint);
  display: block;
}

.ref-kpi-lbl {
  font-size: 10.5px;
  font-family: 'JetBrains Mono', monospace;
  color: var(--text-faint);
  margin-top: 2px;
  display: block;
}

.ref-quote-box {
  border-left: 2px solid var(--accent);
  padding-left: 14px;
  margin-bottom: 20px;
  font-size: 13.5px;
  font-style: italic;
  color: var(--text-muted);
  line-height: 1.5;
}

.ref-author {
  font-size: 12px;
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 600;
  color: #FFFFFF;
  font-style: normal;
  display: block;
  margin-top: 6px;
}

.ref-tech-tags {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.ref-tag {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  color: var(--text-faint);
  background: var(--surface-2);
  padding: 3px 8px;
  border-radius: 4px;
  border: 1px solid var(--border-soft);
}

@media (max-width: 900px) {
  .ref-grid {
    grid-template-columns: 1fr;
  }
}

/* ==========================================================================
   INTERACTIVE CALCULATOR
   ========================================================================== */

.calc-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 36px;
  display: grid;
  grid-template-columns: 1fr 340px;
  gap: 40px;
}

.calc-group {
  margin-bottom: 26px;
}

.calc-group:last-child {
  margin-bottom: 0;
}

.calc-label {
  font-size: 12.5px;
  color: var(--text-muted);
  margin-bottom: 12px;
  font-family: 'JetBrains Mono', monospace;
  font-weight: 600;
  letter-spacing: 0.04em;
}

.chip-row {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.chip {
  border: 1px solid var(--border);
  padding: 10px 16px;
  border-radius: 9px;
  font-size: 13.5px;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-fast);
  background: var(--bg-elevated);
  user-select: none;
}

.chip:hover {
  border-color: var(--text-faint);
  color: #FFFFFF;
}

.chip.active {
  border-color: var(--accent);
  background: var(--accent-soft);
  color: #FFFFFF;
  box-shadow: 0 0 12px var(--accent-soft);
}

.calc-result {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 26px;
  display: flex;
  flex-direction: column;
}

.calc-result .rlabel {
  font-size: 11.5px;
  color: var(--text-muted);
  font-family: 'JetBrains Mono', monospace;
  font-weight: 600;
  margin-bottom: 6px;
}

.calc-result .rtime {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 30px;
  font-weight: 700;
  color: var(--mint);
  margin-bottom: 20px;
}

.calc-result ul {
  list-style: none;
  font-size: 13px;
  color: var(--text-muted);
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 24px;
  flex: 1;
}

.calc-result ul li {
  line-height: 1.4;
}

.calc-result ul li::before {
  content: "→ ";
  color: var(--accent-2);
  font-weight: 700;
}

/* ==========================================================================
   FAQ ACCORDION
   ========================================================================== */

.faq-list {
  display: flex;
  flex-direction: column;
}

details {
  border-bottom: 1px solid var(--border-soft);
  padding: 22px 0;
}

details:first-child {
  border-top: 1px solid var(--border-soft);
}

summary {
  cursor: pointer;
  font-family: 'Space Grotesk', sans-serif;
  font-size: 16.5px;
  font-weight: 600;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  user-select: none;
}

summary::-webkit-details-marker {
  display: none;
}

summary::after {
  content: "+";
  font-family: 'JetBrains Mono', monospace;
  font-size: 20px;
  color: var(--text-faint);
  transition: transform 0.2s ease, color 0.2s ease;
  flex-shrink: 0;
}

details[open] summary::after {
  transform: rotate(45deg);
  color: var(--accent-2);
}

details p {
  color: var(--text-muted);
  font-size: 14.5px;
  margin-top: 14px;
  max-width: 720px;
  line-height: 1.65;
}

/* ==========================================================================
   CONTACT CARD
   ========================================================================== */

.contact-card {
  background: linear-gradient(135deg, var(--surface), var(--bg-elevated));
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 52px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 40px;
  flex-wrap: wrap;
}

.contact-card h2 {
  font-size: clamp(24px, 3vw, 34px);
  max-width: 460px;
}

.contact-actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

/* ==========================================================================
   FOOTER
   ========================================================================== */

footer {
  border-top: 1px solid var(--border-soft);
  padding: 60px 0 30px;
  position: relative;
  z-index: 1;
}

.foot-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 36px;
  margin-bottom: 44px;
}

.foot-col h5 {
  font-size: 12px;
  color: var(--text-faint);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 16px;
  font-family: 'JetBrains Mono', monospace;
  font-weight: 600;
}

.foot-col a {
  display: block;
  font-size: 14px;
  color: var(--text-muted);
  margin-bottom: 11px;
  transition: color var(--transition-fast);
}

.foot-col a:hover {
  color: var(--text);
}

.foot-bottom {
  display: flex;
  justify-content: space-between;
  padding-top: 24px;
  border-top: 1px solid var(--border-soft);
  font-size: 13px;
  color: var(--text-faint);
  flex-wrap: wrap;
  gap: 10px;
}

/* ==========================================================================
   LIGHTBOX MODAL
   ========================================================================== */

.lightbox-modal {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 2000;
  background: rgba(10, 10, 16, 0.92);
  backdrop-filter: blur(14px);
  align-items: center;
  justify-content: center;
  padding: 24px;
}

.lightbox-modal.open {
  display: flex;
}

.lightbox-content {
  position: relative;
  max-width: 92vw;
  max-height: 90vh;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.lightbox-content img {
  max-width: 100%;
  max-height: 82vh;
  border-radius: 12px;
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.8);
  border: 1px solid var(--border);
}

.lightbox-close {
  position: absolute;
  top: -42px;
  right: 0;
  background: transparent;
  border: none;
  color: var(--text);
  font-size: 2rem;
  cursor: pointer;
}

.lightbox-caption {
  margin-top: 14px;
  font-family: 'Space Grotesk', sans-serif;
  font-size: 14px;
  font-weight: 500;
  color: var(--text-muted);
}

/* ==========================================================================
   RESPONSIVE QUERIES
   ========================================================================== */

@media (max-width: 992px) {
  .status-list {
    grid-template-columns: repeat(2, 1fr);
  }

  .stat-row {
    grid-template-columns: repeat(2, 1fr);
  }

  .product-row, .product-row:nth-child(even) {
    flex-direction: column;
    gap: 36px;
  }

  .services-grid, .standards-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .calc-card {
    grid-template-columns: 1fr;
  }

  .foot-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 820px) {
  .nav-links, .nav-menu {
    display: none;
  }

  .mobile-toggle {
    display: flex;
  }

  .nav-links.active, .nav-menu.open, .nav-menu.active {
    display: flex;
    position: fixed;
    top: 72px;
    left: 0;
    width: 100%;
    background: var(--surface);
    border-bottom: 1px solid var(--border);
    flex-direction: column;
    padding: 24px;
    gap: 18px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.6);
    z-index: 999;
  }

  .nav-menu.open .nav-list, .nav-menu.active .nav-list {
    flex-direction: column;
    gap: 16px;
    align-items: flex-start;
  }

  .process-line {
    flex-direction: column;
    gap: 32px;
  }

  .process-line::before {
    display: none;
  }
}

@media (max-width: 560px) {
  .wrap, .container {
    padding: 0 20px;
  }

  .status-list {
    grid-template-columns: 1fr;
  }

  .stat-row {
    grid-template-columns: 1fr;
  }

  .feature-list {
    grid-template-columns: 1fr;
  }

  .services-grid, .standards-grid {
    grid-template-columns: 1fr;
  }

  .foot-grid {
    grid-template-columns: 1fr;
  }

  .contact-card {
    padding: 32px 24px;
  }
}