/* ============================================
   Cubora — Global Stylesheet
   ============================================ */

/* --- Custom Properties --- */
:root {
  --color-bg:          #08080d;
  --color-surface:     #101018;
  --color-surface-2:   #16161f;
  --color-surface-3:   #1c1c28;
  --color-border:      #2a2a3a;
  --color-text:        #d4d4dc;
  --color-text-muted:  #8888a0;
  --color-heading:     #ffffff;
  --color-accent:      #00d4ff;
  --color-accent-alt:  #7c3aed;
  --color-accent-glow: rgba(0, 212, 255, 0.15);
  --color-gradient:    linear-gradient(135deg, #00d4ff, #7c3aed);
  --font-sans:         'Inter', system-ui, -apple-system, sans-serif;
  --font-mono:         'JetBrains Mono', 'Fira Code', monospace;
  --max-width:         1200px;
  --radius:            12px;
  --radius-sm:         8px;
  --transition:        0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-sans);
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.7;
  overflow-x: hidden;
}

a { color: var(--color-accent); text-decoration: none; transition: color var(--transition); }
a:hover { color: #fff; }

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

ul { list-style: none; }

h1, h2, h3, h4, h5, h6 {
  color: var(--color-heading);
  line-height: 1.2;
  font-weight: 700;
}

/* --- Utility --- */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: 100px 0;
}

.section-label {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 16px;
}

.section-title {
  font-size: clamp(2rem, 4vw, 3rem);
  margin-bottom: 20px;
}

.section-subtitle {
  font-size: 1.125rem;
  color: var(--color-text-muted);
  max-width: 640px;
}

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

.text-gradient {
  background: var(--color-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* --- Grid Background Pattern --- */
.grid-bg {
  position: fixed;
  inset: 0;
  z-index: -1;
  background-image:
    linear-gradient(rgba(255,255,255,0.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.02) 1px, transparent 1px);
  background-size: 60px 60px;
  pointer-events: none;
}

/* ============================================
   NAVIGATION
   ============================================ */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 20px 0;
  transition: background var(--transition), padding var(--transition), box-shadow var(--transition);
}

.nav.scrolled {
  background: rgba(8, 8, 13, 0.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  padding: 14px 0;
  box-shadow: 0 1px 0 var(--color-border);
}

.nav .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  font-size: 1.5rem;
  font-weight: 800;
  color: #fff;
  letter-spacing: -0.5px;
}

.nav-logo span {
  color: var(--color-accent);
}

.nav-links {
  display: flex;
  gap: 36px;
  align-items: center;
}

.nav-links a {
  color: var(--color-text-muted);
  font-size: 0.9rem;
  font-weight: 500;
  transition: color var(--transition);
  position: relative;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--color-accent);
  transition: width var(--transition);
}

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

.nav-links a:hover::after,
.nav-links a.active::after {
  width: 100%;
}

/* Mobile toggle */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  background: none;
  border: none;
  padding: 4px;
}

.nav-toggle span {
  width: 24px;
  height: 2px;
  background: #fff;
  border-radius: 2px;
  transition: var(--transition);
}

/* ============================================
   HERO
   ============================================ */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  padding-top: 80px;
}

.hero::before {
  content: '';
  position: absolute;
  top: -40%;
  right: -20%;
  width: 800px;
  height: 800px;
  background: radial-gradient(circle, var(--color-accent-glow) 0%, transparent 70%);
  pointer-events: none;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: -30%;
  left: -15%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(124, 58, 237, 0.08) 0%, transparent 70%);
  pointer-events: none;
}

.hero .container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.hero-content {
  position: relative;
  z-index: 1;
}

.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  border-radius: 100px;
  font-size: 0.8rem;
  font-family: var(--font-mono);
  color: var(--color-accent);
  margin-bottom: 28px;
}

.hero-tag .dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-accent);
  animation: pulse-dot 2s infinite;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.3; }
}

.hero-title {
  font-size: clamp(2.5rem, 5vw, 4rem);
  letter-spacing: -1px;
  margin-bottom: 24px;
}

.hero-subtitle {
  font-size: 1.15rem;
  color: var(--color-text-muted);
  max-width: 520px;
  margin-bottom: 40px;
}

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

.hero-visual {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero-visual-inner {
  width: 100%;
  aspect-ratio: 1;
  max-width: 480px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

.hero-visual-inner::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    linear-gradient(135deg, var(--color-accent-glow) 0%, transparent 50%),
    linear-gradient(315deg, rgba(124, 58, 237, 0.05) 0%, transparent 50%);
}

.cube-placeholder {
  position: relative;
  z-index: 1;
}

.cube-grid {
  display: grid;
  grid-template-columns: repeat(3, 64px);
  grid-template-rows: repeat(3, 64px);
  gap: 8px;
  transform: perspective(600px) rotateX(15deg) rotateY(-15deg);
}

.cube-cell {
  width: 64px;
  height: 64px;
  border-radius: 8px;
  border: 1px solid var(--color-border);
  background: var(--color-surface-2);
  transition: var(--transition);
  position: relative;
}

.cube-cell::after {
  content: '';
  position: absolute;
  inset: 4px;
  border-radius: 4px;
  opacity: 0;
  transition: opacity var(--transition);
}

.cube-cell.accent-1 {
  border-color: rgba(0, 212, 255, 0.3);
  background: rgba(0, 212, 255, 0.05);
}
.cube-cell.accent-1::after {
  background: rgba(0, 212, 255, 0.1);
  opacity: 1;
}

.cube-cell.accent-2 {
  border-color: rgba(124, 58, 237, 0.3);
  background: rgba(124, 58, 237, 0.05);
}
.cube-cell.accent-2::after {
  background: rgba(124, 58, 237, 0.1);
  opacity: 1;
}

.cube-cell.accent-3 {
  border-color: rgba(16, 185, 129, 0.3);
  background: rgba(16, 185, 129, 0.05);
}
.cube-cell.accent-3::after {
  background: rgba(16, 185, 129, 0.1);
  opacity: 1;
}

.cube-cell:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 30px rgba(0, 212, 255, 0.1);
}

/* ============================================
   BUTTONS
   ============================================ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: all var(--transition);
  font-family: var(--font-sans);
}

.btn-primary {
  background: var(--color-accent);
  color: #000;
}
.btn-primary:hover {
  background: #33ddff;
  color: #000;
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(0, 212, 255, 0.3);
}

.btn-secondary {
  background: var(--color-surface-2);
  color: var(--color-text);
  border: 1px solid var(--color-border);
}
.btn-secondary:hover {
  border-color: var(--color-accent);
  color: #fff;
  transform: translateY(-2px);
}

.btn-ghost {
  background: transparent;
  color: var(--color-accent);
  padding: 14px 0;
}
.btn-ghost:hover {
  color: #fff;
}

.btn-arrow::after {
  content: '→';
  transition: transform var(--transition);
}
.btn-arrow:hover::after {
  transform: translateX(4px);
}

/* ============================================
   FEATURE CARDS
   ============================================ */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
  gap: 24px;
  margin-top: 60px;
}

.feature-card {
  padding: 36px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--color-gradient);
  opacity: 0;
  transition: opacity var(--transition);
}

.feature-card:hover {
  border-color: rgba(0, 212, 255, 0.2);
  transform: translateY(-4px);
}

.feature-card:hover::before {
  opacity: 1;
}

.feature-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 20px;
  background: var(--color-accent-glow);
  border: 1px solid rgba(0, 212, 255, 0.15);
}

.feature-card h3 {
  font-size: 1.2rem;
  margin-bottom: 12px;
}

.feature-card p {
  color: var(--color-text-muted);
  font-size: 0.95rem;
}

/* ============================================
   BUILDS / SHOWCASE
   ============================================ */
.builds-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 60px;
}

.build-card {
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  transition: all var(--transition);
}

.build-card:hover {
  border-color: rgba(0, 212, 255, 0.2);
  transform: translateY(-4px);
}

.build-image {
  width: 100%;
  aspect-ratio: 4/3;
  background: var(--color-surface-2);
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

.build-image-placeholder {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  color: var(--color-text-muted);
  font-size: 0.85rem;
}

.build-image-placeholder .icon {
  font-size: 2.5rem;
  opacity: 0.5;
}

.build-info {
  padding: 24px;
}

.build-info h3 {
  font-size: 1.1rem;
  margin-bottom: 8px;
}

.build-info p {
  color: var(--color-text-muted);
  font-size: 0.9rem;
}

/* ============================================
   CTA SECTION
   ============================================ */
.cta-section {
  padding: 100px 0;
}

.cta-box {
  padding: 80px 60px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta-box::before {
  content: '';
  position: absolute;
  top: -50%;
  left: 50%;
  transform: translateX(-50%);
  width: 600px;
  height: 400px;
  background: radial-gradient(circle, var(--color-accent-glow) 0%, transparent 70%);
  pointer-events: none;
}

.cta-box h2 {
  font-size: clamp(1.8rem, 3.5vw, 2.5rem);
  margin-bottom: 16px;
  position: relative;
}

.cta-box p {
  color: var(--color-text-muted);
  max-width: 480px;
  margin: 0 auto 32px;
  position: relative;
  font-size: 1.05rem;
}

.cta-box .btn {
  position: relative;
}

/* ============================================
   STATS
   ============================================ */
.stats-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-top: 60px;
}

.stat-item {
  text-align: center;
  padding: 32px 20px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
}

.stat-number {
  font-size: 2.5rem;
  font-weight: 800;
  background: var(--color-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.stat-label {
  color: var(--color-text-muted);
  font-size: 0.85rem;
  margin-top: 8px;
}

/* ============================================
   ABOUT PAGE — FOUNDER
   ============================================ */
.founder-section {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 60px;
  align-items: center;
}

.founder-image {
  aspect-ratio: 3/4;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-muted);
  font-size: 0.85rem;
}

.founder-content .section-title {
  margin-top: 8px;
}

.founder-content blockquote {
  padding: 20px 24px;
  border-left: 3px solid var(--color-accent);
  background: var(--color-surface);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  margin: 24px 0;
  font-style: italic;
  color: var(--color-text-muted);
}

.founder-content p {
  margin-bottom: 16px;
}

/* ============================================
   TIMELINE
   ============================================ */
.timeline {
  position: relative;
  margin-top: 60px;
  padding-left: 40px;
}

.timeline::before {
  content: '';
  position: absolute;
  top: 0;
  left: 12px;
  width: 2px;
  height: 100%;
  background: var(--color-border);
}

.timeline-item {
  position: relative;
  margin-bottom: 40px;
  padding: 24px 32px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
}

.timeline-item::before {
  content: '';
  position: absolute;
  left: -34px;
  top: 32px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--color-accent);
  border: 3px solid var(--color-bg);
}

.timeline-item h3 {
  font-size: 1.1rem;
  margin-bottom: 8px;
}

.timeline-item p {
  color: var(--color-text-muted);
  font-size: 0.95rem;
}

/* ============================================
   TECHNOLOGY PAGE — MODULE GRID
   ============================================ */
.modules-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
  gap: 24px;
  margin-top: 60px;
}

.module-card {
  padding: 40px 32px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  transition: all var(--transition);
  position: relative;
}

.module-card:hover {
  border-color: rgba(0, 212, 255, 0.2);
  transform: translateY(-4px);
}

.module-badge {
  display: inline-block;
  padding: 4px 12px;
  border-radius: 100px;
  font-size: 0.7rem;
  font-family: var(--font-mono);
  letter-spacing: 1px;
  text-transform: uppercase;
  margin-bottom: 16px;
}

.module-badge.structural { background: rgba(0, 212, 255, 0.1); color: var(--color-accent); border: 1px solid rgba(0, 212, 255, 0.2); }
.module-badge.motion { background: rgba(16, 185, 129, 0.1); color: #10b981; border: 1px solid rgba(16, 185, 129, 0.2); }
.module-badge.actuator { background: rgba(245, 158, 11, 0.1); color: #f59e0b; border: 1px solid rgba(245, 158, 11, 0.2); }
.module-badge.sensor { background: rgba(236, 72, 153, 0.1); color: #ec4899; border: 1px solid rgba(236, 72, 153, 0.2); }
.module-badge.ai { background: rgba(124, 58, 237, 0.1); color: #7c3aed; border: 1px solid rgba(124, 58, 237, 0.2); }
.module-badge.expansion { background: rgba(239, 68, 68, 0.1); color: #ef4444; border: 1px solid rgba(239, 68, 68, 0.2); }

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

.module-card p {
  color: var(--color-text-muted);
  font-size: 0.95rem;
  margin-bottom: 16px;
}

.module-specs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.module-spec {
  padding: 4px 12px;
  background: var(--color-surface-2);
  border-radius: 100px;
  font-size: 0.75rem;
  font-family: var(--font-mono);
  color: var(--color-text-muted);
}

/* --- Tech Diagram --- */
.tech-diagram {
  margin-top: 60px;
  padding: 60px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  text-align: center;
}

.diagram-placeholder {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 24px;
  color: var(--color-text-muted);
}

.diagram-cubes {
  display: flex;
  gap: 12px;
  align-items: flex-end;
}

.diagram-cube {
  width: 48px;
  height: 48px;
  border: 2px solid var(--color-border);
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.7rem;
  font-family: var(--font-mono);
  color: var(--color-text-muted);
  transition: var(--transition);
}

.diagram-cube:nth-child(1) { border-color: rgba(0, 212, 255, 0.3); height: 48px; }
.diagram-cube:nth-child(2) { border-color: rgba(16, 185, 129, 0.3); height: 64px; }
.diagram-cube:nth-child(3) { border-color: rgba(124, 58, 237, 0.3); height: 80px; }
.diagram-cube:nth-child(4) { border-color: rgba(245, 158, 11, 0.3); height: 64px; }
.diagram-cube:nth-child(5) { border-color: rgba(236, 72, 153, 0.3); height: 48px; }

.diagram-connectors {
  display: flex;
  gap: 4px;
}

.connector-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-accent);
  opacity: 0.4;
}

/* ============================================
   VISION PAGE
   ============================================ */
.vision-hero {
  text-align: center;
  padding: 160px 0 80px;
}

.vision-hero .section-title {
  font-size: clamp(2.5rem, 5vw, 3.5rem);
}

.vision-pillars {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  margin-top: 60px;
}

.pillar-card {
  padding: 48px 36px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  transition: all var(--transition);
}

.pillar-card:hover {
  border-color: rgba(0, 212, 255, 0.2);
  transform: translateY(-4px);
}

.pillar-number {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--color-accent);
  letter-spacing: 2px;
  margin-bottom: 16px;
}

.pillar-card h3 {
  font-size: 1.4rem;
  margin-bottom: 12px;
}

.pillar-card p {
  color: var(--color-text-muted);
  font-size: 0.95rem;
}

/* ============================================
   CONTACT PAGE
   ============================================ */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  margin-top: 60px;
}

.contact-info h3 {
  font-size: 1.3rem;
  margin-bottom: 16px;
}

.contact-info p {
  color: var(--color-text-muted);
  margin-bottom: 24px;
}

.contact-channels {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.contact-channel {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 20px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  color: var(--color-text);
  transition: all var(--transition);
}

.contact-channel:hover {
  border-color: rgba(0, 212, 255, 0.2);
  color: #fff;
}

.contact-channel .ch-icon {
  font-size: 1.25rem;
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-group label {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--color-text-muted);
}

.form-group input,
.form-group textarea {
  padding: 14px 16px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  color: #fff;
  font-family: var(--font-sans);
  font-size: 0.95rem;
  transition: border-color var(--transition);
  outline: none;
}

.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--color-accent);
}

.form-group textarea {
  resize: vertical;
  min-height: 140px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
  padding: 60px 0 32px;
  border-top: 1px solid var(--color-border);
}

.footer-inner {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
}

.footer-brand p {
  color: var(--color-text-muted);
  font-size: 0.9rem;
  margin-top: 12px;
  max-width: 280px;
}

.footer-col h4 {
  font-size: 0.85rem;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-bottom: 16px;
}

.footer-col a {
  display: block;
  color: var(--color-text-muted);
  font-size: 0.9rem;
  padding: 4px 0;
  transition: color var(--transition);
}

.footer-col a:hover {
  color: #fff;
}

.footer-bottom {
  padding-top: 24px;
  border-top: 1px solid var(--color-border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.8rem;
  color: var(--color-text-muted);
}

/* ============================================
   PAGE HEADER (for inner pages)
   ============================================ */
.page-header {
  padding: 160px 0 80px;
  text-align: center;
  position: relative;
}

.page-header::before {
  content: '';
  position: absolute;
  top: -20%;
  left: 50%;
  transform: translateX(-50%);
  width: 600px;
  height: 400px;
  background: radial-gradient(circle, var(--color-accent-glow) 0%, transparent 70%);
  pointer-events: none;
}

.page-header .section-title {
  font-size: clamp(2.5rem, 5vw, 3.5rem);
  position: relative;
}

.page-header .section-subtitle {
  margin: 0 auto;
  position: relative;
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 1024px) {
  .hero .container {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .hero-subtitle { margin: 0 auto 40px; }
  .hero-actions { justify-content: center; }

  .hero-visual { display: none; }

  .builds-grid { grid-template-columns: repeat(2, 1fr); }
  .stats-row { grid-template-columns: repeat(2, 1fr); }
  .founder-section { grid-template-columns: 1fr; }
  .footer-inner { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  .nav-links {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(8, 8, 13, 0.98);
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 28px;
    z-index: 999;
  }

  .nav-links.open { display: flex; }

  .nav-links a {
    font-size: 1.2rem;
  }

  .nav-toggle { display: flex; z-index: 1001; }

  .section { padding: 60px 0; }
  .hero { min-height: auto; padding: 120px 0 60px; }
  .hero-title { font-size: 2rem; }

  .features-grid,
  .modules-grid { grid-template-columns: 1fr; }

  .builds-grid { grid-template-columns: 1fr; }
  .stats-row { grid-template-columns: 1fr 1fr; }
  .vision-pillars { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .footer-inner { grid-template-columns: 1fr; gap: 32px; }
  .footer-bottom { flex-direction: column; gap: 8px; }

  .cta-box { padding: 48px 24px; }
  .tech-diagram { padding: 32px; }
  .page-header { padding: 120px 0 60px; }
  .vision-hero { padding: 120px 0 40px; }
}