/* ═══════════════════════════════════════════════════
   MX2K — Adaptive Intelligence | Style Sheet
   ═══════════════════════════════════════════════════ */

/* ── Variables ── */
:root {
  --bg-deep:      #050d1a;
  --bg-mid:       #071428;
  --bg-panel:     #0a1a35;
  --cyan:         #00d4ff;
  --cyan-dim:     #00a8cc;
  --cyan-glow:    rgba(0, 212, 255, 0.15);
  --blue:         #0077ff;
  --blue-mid:     #0050cc;
  --teal:         #00bfa6;
  --white:        #ffffff;
  --white-70:     rgba(255,255,255,0.7);
  --white-40:     rgba(255,255,255,0.4);
  --white-10:     rgba(255,255,255,0.06);
  --font-main:    'Inter', sans-serif;
  --font-alt:     'Space Grotesk', sans-serif;
  --radius:       12px;
  --radius-lg:    24px;
  --transition:   0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ── Reset ── */
*, *::before, *::after { margin:0; padding:0; box-sizing:border-box; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  background: var(--bg-deep);
  color: var(--white);
  font-family: var(--font-main);
  overflow-x: hidden;
  cursor: none;
}
a { text-decoration: none; color: inherit; }
ul { list-style: none; }
button { cursor: none; }
input, textarea, select { font-family: var(--font-main); }

/* ── Neural Network Canvas (full-page, always visible) ── */
#particles-canvas {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  opacity: 0.9;
}
/* Ensure all sections sit above the canvas but remain see-through where intended */
#hero, .feature-strip, .research-section, .interface-section,
.startup-section, .vision-section, .connect-section, .site-footer {
  position: relative;
  z-index: 2;
}

/* ── Custom Cursor ── */
#cursor-glow {
  position: fixed;
  width: 350px; height: 350px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(0,212,255,0.08) 0%, transparent 70%);
  pointer-events: none;
  z-index: 1;
  transform: translate(-50%, -50%);
  transition: opacity 0.3s;
}
#cursor-dot {
  position: fixed;
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--cyan);
  pointer-events: none;
  z-index: 9999;
  transform: translate(-50%, -50%);
  transition: transform 0.1s, background 0.2s;
  box-shadow: 0 0 12px var(--cyan);
}
body:hover #cursor-dot { opacity: 1; }

/* ── Navbar Logo Image ── */
.logo-emblem {
  width: 40px; height: 40px;
  border-radius: 50%;
  background: rgba(0,0,0,0.4);
  border: 1px solid rgba(0,212,255,0.25);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  flex-shrink: 0;
}
.logo-img {
  width: 34px; height: 34px;
  object-fit: contain;
  filter:
    invert(1) brightness(1.6) sepia(0.5) hue-rotate(160deg) saturate(3.5)
    drop-shadow(0 0 4px rgba(0,212,255,0.6));
  transition: filter 0.3s;
}
.nav-logo:hover .logo-img {
  filter:
    invert(1) brightness(2) sepia(0.7) hue-rotate(155deg) saturate(5)
    drop-shadow(0 0 8px rgba(0,212,255,1));
}

/* ── Navbar ── */
#navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 0 40px;
  transition: background var(--transition), backdrop-filter var(--transition);
}
#navbar.scrolled {
  background: rgba(5, 13, 26, 0.85);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(0,212,255,0.1);
}
.nav-inner {
  max-width: 1280px;
  margin: 0 auto;
  height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav-logo {
  display: flex;
  align-items: center;
  gap: 12px;
}
.logo-emblem {
  width: 40px; height: 40px;
  border-radius: 50%;
  background: radial-gradient(circle at 40% 40%, rgba(0,212,255,0.15), rgba(0,0,0,0.5));
  border: 1px solid rgba(0,212,255,0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}
.logo-svg { width: 36px; height: 36px; }
.logo-svg.small { width: 28px; height: 28px; }
.logo-text {
  font-family: var(--font-alt);
  font-weight: 700;
  font-size: 1.4rem;
  letter-spacing: 0.05em;
  background: linear-gradient(135deg, var(--white), var(--cyan));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 36px;
}
.nav-link {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--white-70);
  letter-spacing: 0.03em;
  transition: color var(--transition);
  position: relative;
}
.nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px; left: 0;
  width: 0; height: 1px;
  background: var(--cyan);
  transition: width var(--transition);
}
.nav-link:hover { color: var(--white); }
.nav-link:hover::after { width: 100%; }
.nav-cta {
  position: relative;
  display: flex; align-items: center;
  gap: 8px;
  padding: 8px 24px;
  background: linear-gradient(135deg, var(--blue-mid), var(--blue));
  border-radius: 50px;
  font-size: 0.875rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--white);
  transition: box-shadow var(--transition), transform var(--transition);
  overflow: visible;
}
.nav-cta:hover {
  box-shadow: 0 0 30px rgba(0, 119, 255, 0.5);
  transform: translateY(-1px);
}
.cta-pulse {
  position: absolute;
  inset: -3px;
  border-radius: 50px;
  border: 1px solid rgba(0,212,255,0.4);
  animation: pulse-ring 2s ease-out infinite;
}
@keyframes pulse-ring {
  0%   { opacity: 1; transform: scale(1); }
  100% { opacity: 0; transform: scale(1.3); }
}
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  padding: 4px;
}
.nav-toggle span {
  display: block;
  width: 24px; height: 2px;
  background: var(--white);
  border-radius: 2px;
  transition: var(--transition);
}
.mobile-menu {
  display: none;
  flex-direction: column;
  padding: 16px 24px 24px;
  gap: 16px;
  background: rgba(5,13,26,0.95);
  backdrop-filter: blur(20px);
  border-top: 1px solid rgba(0,212,255,0.1);
}
.mob-link {
  font-size: 1rem;
  font-weight: 500;
  color: var(--white-70);
  padding: 8px 0;
  transition: color var(--transition);
}
.mob-link:hover { color: var(--white); }
.mob-cta {
  margin-top: 8px;
  padding: 12px 24px;
  background: linear-gradient(135deg, var(--blue-mid), var(--blue));
  border-radius: 50px;
  text-align: center;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--white) !important;
}

/* ── HERO — transparent so neural network shows fully ── */
#hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  /* No background — the fixed canvas neural network is the background */
  background: transparent;
}
.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  padding: 120px 24px 100px;
  max-width: 960px;
}

/* ── Hero Logo ── */
.hero-logo-wrap {
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  animation: fadeUp 1s 0.1s both;
  will-change: transform;
}
.hero-logo {
  width: clamp(110px, 20vw, 190px);
  height: clamp(110px, 20vw, 190px);
  object-fit: contain;
  /* Invert to white then tint cyan with hue-rotate + brightness */
  filter:
    invert(1)
    brightness(1.8)
    sepia(0.6)
    hue-rotate(160deg)
    saturate(4)
    drop-shadow(0 0 22px rgba(0,212,255,0.7))
    drop-shadow(0 0 60px rgba(0,119,255,0.35));
  animation: logo-breathe 4s ease-in-out infinite;
  display: block;
}
@keyframes logo-breathe {
  0%, 100% {
    filter:
      invert(1) brightness(1.8) sepia(0.6) hue-rotate(160deg) saturate(4)
      drop-shadow(0 0 22px rgba(0,212,255,0.7))
      drop-shadow(0 0 60px rgba(0,119,255,0.35));
  }
  50% {
    filter:
      invert(1) brightness(2) sepia(0.7) hue-rotate(155deg) saturate(5)
      drop-shadow(0 0 38px rgba(0,212,255,0.95))
      drop-shadow(0 0 90px rgba(0,119,255,0.55));
  }
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 6px 20px;
  background: rgba(5,13,26,0.65);
  border: 1px solid rgba(0,212,255,0.35);
  backdrop-filter: blur(10px);
  border-radius: 50px;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--cyan);
  margin-bottom: 28px;
  animation: fadeUp 0.8s 0.2s both;
}
.badge-dot {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--cyan);
  animation: dot-pulse 1.5s ease-in-out infinite;
}
@keyframes dot-pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(0.7); }
}
.hero-title {
  margin-bottom: 16px;
  animation: fadeUp 0.8s 0.35s both;
}
.title-mx {
  font-family: var(--font-alt);
  font-size: clamp(5rem, 18vw, 10rem);
  font-weight: 900;
  letter-spacing: -0.02em;
  background: linear-gradient(135deg, #ffffff 0%, var(--cyan) 50%, var(--blue) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  filter: drop-shadow(0 0 40px rgba(0,212,255,0.4));
  line-height: 1;
}
.hero-sub {
  font-size: clamp(1.5rem, 4vw, 2.5rem);
  font-weight: 300;
  color: var(--white);
  letter-spacing: 0.01em;
  margin-bottom: 10px;
  animation: fadeUp 0.8s 0.5s both;
  text-shadow: 0 2px 30px rgba(5,13,26,0.9), 0 0 60px rgba(5,13,26,0.7);
}
.hero-desc {
  font-size: clamp(0.9rem, 2vw, 1.1rem);
  font-weight: 400;
  color: var(--cyan);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 48px;
  animation: fadeUp 0.8s 0.65s both;
  text-shadow: 0 0 20px rgba(0,212,255,0.5);
}
.hero-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 20px;
  margin-bottom: 64px;
  flex-wrap: wrap;
  animation: fadeUp 0.8s 0.8s both;
}
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 16px 40px;
  background: linear-gradient(135deg, var(--blue-mid), var(--blue), var(--cyan-dim));
  border-radius: 50px;
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--white);
  transition: box-shadow var(--transition), transform var(--transition);
  box-shadow: 0 0 0 rgba(0,119,255,0);
}
.btn-primary:hover {
  box-shadow: 0 0 40px rgba(0,119,255,0.6), 0 0 80px rgba(0,212,255,0.2);
  transform: translateY(-2px);
}
.btn-primary i { font-size: 0.9rem; transition: transform var(--transition); }
.btn-primary:hover i { transform: translateX(4px); }
.btn-ghost {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 15px 36px;
  border: 1px solid rgba(0,212,255,0.4);
  border-radius: 50px;
  font-size: 1rem;
  font-weight: 500;
  color: var(--white-70);
  transition: border-color var(--transition), color var(--transition), background var(--transition);
}
.btn-ghost:hover {
  border-color: var(--cyan);
  color: var(--white);
  background: rgba(0,212,255,0.08);
}
.hero-stats {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0;
  animation: fadeUp 0.8s 1.0s both;
  background: rgba(5,13,26,0.55);
  border: 1px solid rgba(0,212,255,0.18);
  backdrop-filter: blur(14px);
  border-radius: 60px;
  padding: 14px 36px;
  display: inline-flex;
}
.stat-item {
  text-align: center;
  padding: 0 28px;
}
.stat-num {
  font-family: var(--font-alt);
  font-size: 2.5rem;
  font-weight: 700;
  background: linear-gradient(135deg, var(--white), var(--cyan));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.stat-static {
  display: block;
  font-family: var(--font-alt);
  font-size: 1.55rem;
  font-weight: 800;
  letter-spacing: 0.04em;
  background: linear-gradient(135deg, var(--white) 0%, var(--cyan) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1.1;
  margin-bottom: 2px;
}
.stat-sym {
  font-family: var(--font-alt);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--cyan);
}
.stat-label {
  display: block;
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--white-40);
  margin-top: 4px;
}
.stat-divider {
  width: 1px;
  height: 48px;
  background: linear-gradient(to bottom, transparent, rgba(0,212,255,0.4), transparent);
}
.scroll-indicator {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  z-index: 2;
  animation: fadeUp 1s 1.5s both;
}
.scroll-wheel {
  width: 24px; height: 38px;
  border: 1.5px solid rgba(0,212,255,0.4);
  border-radius: 12px;
  position: relative;
}
.scroll-wheel::after {
  content: '';
  position: absolute;
  top: 6px; left: 50%;
  transform: translateX(-50%);
  width: 4px; height: 8px;
  background: var(--cyan);
  border-radius: 2px;
  animation: scroll-bob 1.5s ease-in-out infinite;
}
@keyframes scroll-bob {
  0%, 100% { top: 6px; opacity: 1; }
  50% { top: 18px; opacity: 0.3; }
}
.scroll-indicator span {
  font-size: 0.65rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--white-40);
}

/* ── Feature Strip ── */
.feature-strip {
  position: relative;
  z-index: 2;
  background: rgba(0,212,255,0.04);
  border-top: 1px solid rgba(0,212,255,0.12);
  border-bottom: 1px solid rgba(0,212,255,0.12);
  overflow: hidden;
  padding: 16px 0;
}
.strip-track { overflow: hidden; }
.strip-items {
  display: flex;
  gap: 60px;
  white-space: nowrap;
  animation: marquee 30s linear infinite;
}
.strip-items span {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--cyan);
  opacity: 0.7;
}
.strip-items i { font-size: 0.75rem; }
@keyframes marquee {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}

/* ── Sections: shared ── */
.section-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  filter: brightness(0.35) saturate(1.1);
}
.section-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(5,13,26,0.6) 0%, rgba(5,13,26,0.3) 100%);
}
.section-overlay.dark {
  background: linear-gradient(135deg, rgba(5,13,26,0.8) 0%, rgba(5,13,26,0.6) 100%);
}
.section-label {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 20px;
  justify-content: center;
}
.section-label.left-aligned { justify-content: flex-start; }
.label-line {
  flex: 0 0 40px;
  height: 1px;
  background: linear-gradient(to right, transparent, var(--cyan));
}
.section-label span {
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--cyan);
}
.section-title {
  font-family: var(--font-alt);
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin-bottom: 20px;
  text-align: center;
}
.section-title.left { text-align: left; }
.highlight {
  background: linear-gradient(135deg, var(--cyan), var(--blue));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.section-desc {
  font-size: 1.05rem;
  line-height: 1.7;
  color: var(--white-70);
  text-align: center;
  max-width: 640px;
  margin: 0 auto 48px;
}
.section-desc.left { text-align: left; margin-left: 0; }

/* ── Research Section ── */
.research-section {
  position: relative;
  padding: 120px 40px;
  overflow: hidden;
  z-index: 1;
}
.research-content {
  position: relative;
  z-index: 2;
  max-width: 1280px;
  margin: 0 auto;
  text-align: center;
}
.research-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 16px;
}
.r-card {
  background: rgba(10, 26, 53, 0.7);
  border: 1px solid rgba(0,212,255,0.15);
  border-radius: var(--radius-lg);
  padding: 36px 28px;
  backdrop-filter: blur(12px);
  transition: border-color var(--transition), transform var(--transition), box-shadow var(--transition);
  opacity: 0;
  transform: translateY(30px);
}
.r-card.visible {
  opacity: 1;
  transform: translateY(0);
}
.r-card:hover {
  border-color: rgba(0,212,255,0.4);
  transform: translateY(-6px);
  box-shadow: 0 20px 60px rgba(0,212,255,0.1);
}
.r-card-icon {
  width: 56px; height: 56px;
  border-radius: 16px;
  background: linear-gradient(135deg, rgba(0,119,255,0.2), rgba(0,212,255,0.1));
  border: 1px solid rgba(0,212,255,0.2);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.4rem;
  color: var(--cyan);
  margin: 0 auto 20px;
}
.r-card h3 {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 12px;
  letter-spacing: 0.01em;
}
.r-card p {
  font-size: 0.9rem;
  line-height: 1.7;
  color: var(--white-70);
  margin-bottom: 20px;
}
.r-card-bar {
  height: 3px;
  background: rgba(255,255,255,0.08);
  border-radius: 2px;
  overflow: hidden;
}
.r-card-fill {
  height: 100%;
  width: 0;
  background: linear-gradient(to right, var(--blue), var(--cyan));
  border-radius: 2px;
  transition: width 1.2s cubic-bezier(0.4, 0, 0.2, 1) 0.4s;
}
.r-card.visible .r-card-fill { width: var(--fill); }

/* ── Interface Section ── */
.interface-section {
  position: relative;
  z-index: 2;
  padding: 120px 40px;
  background: var(--bg-mid);
}
.interface-grid {
  max-width: 1280px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}
.int-text { }
.feature-list {
  display: flex;
  flex-direction: column;
  gap: 28px;
  margin-top: 40px;
}
.feature-list li {
  display: flex;
  align-items: flex-start;
  gap: 20px;
  opacity: 0;
  transform: translateX(-20px);
  transition: opacity 0.5s, transform 0.5s;
}
.feature-list li.visible {
  opacity: 1;
  transform: translateX(0);
}
.feat-icon {
  flex-shrink: 0;
  width: 44px; height: 44px;
  border-radius: 12px;
  background: linear-gradient(135deg, rgba(0,119,255,0.2), rgba(0,212,255,0.1));
  border: 1px solid rgba(0,212,255,0.2);
  display: flex; align-items: center; justify-content: center;
  font-size: 1rem;
  color: var(--cyan);
}
.feature-list strong {
  display: block;
  font-size: 0.95rem;
  font-weight: 700;
  margin-bottom: 6px;
}
.feature-list p {
  font-size: 0.875rem;
  line-height: 1.65;
  color: var(--white-70);
}

/* ── Orbital System ── */
.int-visual {
  display: flex;
  align-items: center;
  justify-content: center;
}
.orbital-system {
  position: relative;
  width: 380px;
  height: 380px;
}
.orbit-ring {
  position: absolute;
  border-radius: 50%;
  border: 1px solid rgba(0,212,255,0.15);
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
}
.orbit-1 {
  width: 180px; height: 180px;
  animation: orbit-spin 8s linear infinite;
  border-color: rgba(0,212,255,0.25);
}
.orbit-2 {
  width: 270px; height: 270px;
  animation: orbit-spin 14s linear infinite reverse;
  border-color: rgba(0,119,255,0.2);
}
.orbit-3 {
  width: 360px; height: 360px;
  animation: orbit-spin 20s linear infinite;
  border-color: rgba(0,212,255,0.12);
}
@keyframes orbit-spin {
  from { transform: translate(-50%,-50%) rotate(0deg); }
  to   { transform: translate(-50%,-50%) rotate(360deg); }
}
.orbit-node {
  position: absolute;
  top: 0; left: 50%;
  transform: translate(-50%, -50%);
  width: 36px; height: 36px;
  border-radius: 50%;
  background: radial-gradient(circle at 40% 40%, rgba(0,212,255,0.3), rgba(5,13,26,0.8));
  border: 1px solid rgba(0,212,255,0.5);
  display: flex; align-items: center; justify-content: center;
  font-size: 0.85rem;
  color: var(--cyan);
  box-shadow: 0 0 16px rgba(0,212,255,0.3);
}
.orbit-core {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  z-index: 10;
  text-align: center;
}
.core-pulse {
  width: 70px; height: 70px;
  border-radius: 50%;
  background: radial-gradient(circle at 40% 40%, rgba(0,119,255,0.4), rgba(0,212,255,0.1));
  border: 1px solid rgba(0,212,255,0.6);
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto 8px;
  box-shadow: 0 0 30px rgba(0,212,255,0.4), inset 0 0 20px rgba(0,119,255,0.2);
  animation: core-breathe 3s ease-in-out infinite;
}
@keyframes core-breathe {
  0%, 100% { box-shadow: 0 0 30px rgba(0,212,255,0.4), inset 0 0 20px rgba(0,119,255,0.2); transform: scale(1); }
  50% { box-shadow: 0 0 60px rgba(0,212,255,0.7), inset 0 0 30px rgba(0,119,255,0.3); transform: scale(1.05); }
}
.orbit-core > span {
  font-family: var(--font-alt);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  color: var(--cyan);
  text-transform: uppercase;
}

/* ── Vision Section ── */
.vision-section {
  position: relative;
  padding: 120px 40px;
  overflow: hidden;
  z-index: 1;
}
.vision-content {
  position: relative;
  z-index: 2;
  max-width: 1280px;
  margin: 0 auto;
  text-align: center;
}
.vision-pillars {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-top: 56px;
}
.pillar {
  padding: 36px 24px;
  background: rgba(5,13,26,0.6);
  border: 1px solid rgba(0,212,255,0.12);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(16px);
  text-align: left;
  transition: border-color var(--transition), transform var(--transition);
  opacity: 0;
  transform: translateY(30px);
}
.pillar.visible {
  opacity: 1;
  transform: translateY(0);
}
.pillar:hover {
  border-color: rgba(0,212,255,0.35);
  transform: translateY(-5px);
}
.pillar-num {
  font-family: var(--font-alt);
  font-size: 2.5rem;
  font-weight: 900;
  background: linear-gradient(135deg, rgba(0,212,255,0.3), rgba(0,119,255,0.2));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 16px;
  line-height: 1;
}
.pillar h3 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 10px;
  letter-spacing: 0.01em;
}
.pillar p {
  font-size: 0.875rem;
  line-height: 1.65;
  color: var(--white-70);
}

/* ── Connect Section ── */
.connect-section {
  position: relative;
  padding: 120px 40px;
  background: var(--bg-mid);
  overflow: hidden;
  z-index: 2;
}
.connect-glow-orb {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  width: 600px; height: 600px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(0,119,255,0.08) 0%, transparent 70%);
  pointer-events: none;
  animation: orb-pulse 4s ease-in-out infinite;
}
@keyframes orb-pulse {
  0%, 100% { transform: translate(-50%,-50%) scale(1); opacity: 0.6; }
  50% { transform: translate(-50%,-50%) scale(1.2); opacity: 1; }
}
.connect-inner {
  position: relative;
  z-index: 2;
  max-width: 720px;
  margin: 0 auto;
  text-align: center;
}
.connect-form {
  margin-top: 48px;
  text-align: left;
}
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}
.form-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 24px;
  position: relative;
}
.form-group.full { grid-column: 1 / -1; }
.form-group label {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--cyan-dim);
}
.form-group input,
.form-group select,
.form-group textarea {
  background: rgba(10,26,53,0.6);
  border: 1px solid rgba(0,212,255,0.15);
  border-radius: var(--radius);
  padding: 14px 18px;
  color: var(--white);
  font-size: 0.95rem;
  outline: none;
  transition: border-color var(--transition), box-shadow var(--transition);
  resize: vertical;
  -webkit-appearance: none;
}
.form-group select {
  cursor: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%2300d4ff' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 16px center;
  padding-right: 44px;
}
.form-group select option {
  background: var(--bg-panel);
  color: var(--white);
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: rgba(0,212,255,0.5);
  box-shadow: 0 0 20px rgba(0,212,255,0.1);
}
.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--white-40);
}
.input-line {
  position: absolute;
  bottom: 0; left: 0;
  width: 0; height: 2px;
  background: linear-gradient(to right, var(--blue), var(--cyan));
  border-radius: 0 0 var(--radius) var(--radius);
  transition: width 0.4s ease;
}
.form-group:focus-within .input-line { width: 100%; }
.btn-submit {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  width: 100%;
  padding: 18px 40px;
  background: linear-gradient(135deg, var(--blue-mid), var(--blue), var(--cyan-dim));
  border: none;
  border-radius: 50px;
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--white);
  transition: box-shadow var(--transition), transform var(--transition);
  margin-top: 8px;
}
.btn-submit:hover {
  box-shadow: 0 0 50px rgba(0,119,255,0.5);
  transform: translateY(-2px);
}
.form-success {
  display: none;
  flex-direction: column;
  align-items: center;
  gap: 16px;
  padding: 60px 40px;
  text-align: center;
  animation: fadeUp 0.6s both;
}
.success-icon {
  width: 72px; height: 72px;
  border-radius: 50%;
  background: rgba(0,212,255,0.1);
  border: 1px solid rgba(0,212,255,0.3);
  display: flex; align-items: center; justify-content: center;
  font-size: 2rem;
  color: var(--cyan);
}
.form-success h3 {
  font-family: var(--font-alt);
  font-size: 1.6rem;
  font-weight: 700;
}
.form-success p {
  color: var(--white-70);
}

/* ── Footer ── */
.site-footer {
  position: relative;
  z-index: 2;
  border-top: 1px solid rgba(0,212,255,0.08);
  padding: 48px 40px;
}
.footer-inner {
  max-width: 1280px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
  text-align: center;
}
.footer-logo {
  display: flex;
  align-items: center;
  gap: 12px;
}
.footer-logo-img {
  width: 40px; height: 40px;
  object-fit: contain;
  filter:
    invert(1) brightness(1.5) sepia(0.5) hue-rotate(160deg) saturate(3)
    drop-shadow(0 0 6px rgba(0,212,255,0.5));
  transition: filter 0.3s;
}
.footer-logo:hover .footer-logo-img {
  filter:
    invert(1) brightness(2) sepia(0.7) hue-rotate(155deg) saturate(5)
    drop-shadow(0 0 12px rgba(0,212,255,0.9));
}
.footer-logo span {
  font-family: var(--font-alt);
  font-size: 1.2rem;
  font-weight: 700;
  background: linear-gradient(135deg, var(--white), var(--cyan));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.footer-tagline {
  font-size: 0.8rem;
  color: var(--white-40);
  letter-spacing: 0.05em;
}
.footer-links {
  display: flex;
  gap: 32px;
}
.footer-links a {
  font-size: 0.8rem;
  color: var(--white-40);
  letter-spacing: 0.05em;
  transition: color var(--transition);
}
.footer-links a:hover { color: var(--cyan); }
.footer-contact {
  margin-top: 4px;
}
.footer-email {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.875rem;
  color: var(--cyan-dim);
  letter-spacing: 0.03em;
  transition: color var(--transition), text-shadow var(--transition);
  border-bottom: 1px solid transparent;
  padding-bottom: 1px;
}
.footer-email:hover {
  color: var(--cyan);
  text-shadow: 0 0 12px rgba(0,212,255,0.5);
  border-bottom-color: rgba(0,212,255,0.4);
}
.footer-email i {
  font-size: 0.8rem;
  opacity: 0.7;
}
.footer-legal {
  margin-top: 6px;
}
.footer-reg {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.75rem;
  color: var(--white-40);
  letter-spacing: 0.06em;
  background: rgba(0,212,255,0.05);
  border: 1px solid rgba(0,212,255,0.1);
  border-radius: 6px;
  padding: 5px 14px;
}
.footer-reg i {
  font-size: 0.7rem;
  color: var(--cyan-dim);
  opacity: 0.6;
}
.footer-reg strong {
  color: var(--white-70);
  font-weight: 600;
  letter-spacing: 0.08em;
}
.footer-copy {
  font-size: 0.75rem;
  color: var(--white-40);
  letter-spacing: 0.05em;
}
.footer-domain {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.75rem;
  color: var(--white-40);
  letter-spacing: 0.06em;
  background: rgba(0,212,255,0.05);
  border: 1px solid rgba(0,212,255,0.15);
  border-radius: 6px;
  padding: 5px 14px;
}
.footer-domain i {
  font-size: 0.7rem;
  color: var(--cyan);
  opacity: 0.8;
}
.footer-domain a {
  color: var(--cyan);
  text-decoration: none;
  font-weight: 600;
  letter-spacing: 0.08em;
  transition: color 0.3s, text-shadow 0.3s;
}
.footer-domain a:hover {
  color: white;
  text-shadow: 0 0 12px rgba(0,212,255,0.7);
}
.footer-legal {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}

/* ══════════════════════════════════════════
   STARTUP / VENTURE SECTION
══════════════════════════════════════════ */
.startup-section {
  position: relative;
  z-index: 2;
  padding: 120px 40px;
  background: var(--bg-deep);
  overflow: hidden;
}
.startup-bg-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(0,212,255,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,212,255,0.04) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse at center, black 30%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse at center, black 30%, transparent 75%);
  pointer-events: none;
}
.startup-inner {
  position: relative;
  z-index: 2;
  max-width: 1280px;
  margin: 0 auto;
  text-align: center;
}

/* Venture Cards Grid */
.venture-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 48px;
}
.venture-card {
  position: relative;
  background: rgba(10, 26, 53, 0.75);
  border: 1px solid rgba(0,212,255,0.15);
  border-radius: var(--radius-lg);
  padding: 40px 32px;
  backdrop-filter: blur(16px);
  text-align: left;
  overflow: hidden;
  transform-style: preserve-3d;
  transition: border-color 0.3s, box-shadow 0.3s;
  opacity: 0;
  transform: translateY(30px);
  will-change: transform;
}
.venture-card.visible {
  opacity: 1;
  transform: translateY(0);
}
/* Tilt is handled by JS — prevent CSS transform fighting */
.venture-card:hover {
  border-color: rgba(0,212,255,0.45);
  box-shadow: 0 30px 80px rgba(0,212,255,0.12), 0 0 0 1px rgba(0,212,255,0.2);
}
.vc-glow {
  position: absolute;
  top: -60px; right: -60px;
  width: 200px; height: 200px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(0,119,255,0.18) 0%, transparent 70%);
  pointer-events: none;
  transition: opacity 0.4s;
  opacity: 0;
}
.venture-card:hover .vc-glow { opacity: 1; }
.vc-invest .vc-glow  { background: radial-gradient(circle, rgba(0,212,255,0.18) 0%, transparent 70%); }
.vc-community .vc-glow { background: radial-gradient(circle, rgba(0,191,166,0.18) 0%, transparent 70%); }

.vc-icon {
  width: 60px; height: 60px;
  border-radius: 18px;
  background: linear-gradient(135deg, rgba(0,119,255,0.25), rgba(0,212,255,0.1));
  border: 1px solid rgba(0,212,255,0.25);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.5rem;
  color: var(--cyan);
  margin-bottom: 20px;
  transition: box-shadow 0.3s, transform 0.3s;
}
.venture-card:hover .vc-icon {
  box-shadow: 0 0 24px rgba(0,212,255,0.4);
  transform: translateZ(8px) scale(1.08);
}
.vc-label {
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--cyan);
  margin-bottom: 6px;
  opacity: 0.8;
}
.vc-value {
  font-family: var(--font-alt);
  font-size: 2rem;
  font-weight: 800;
  background: linear-gradient(135deg, var(--white) 0%, var(--cyan) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 14px;
  line-height: 1.1;
}
.vc-desc {
  font-size: 0.875rem;
  line-height: 1.7;
  color: var(--white-70);
  margin-bottom: 20px;
}
.vc-bullets {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.vc-bullets li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.82rem;
  color: var(--white-70);
}
.vc-bullets i {
  color: var(--cyan);
  font-size: 0.75rem;
  flex-shrink: 0;
}
.vc-progress-wrap {
  margin-top: 20px;
}
.vc-progress-label {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 8px;
}
.vc-progress-label span {
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  color: var(--white-40);
  text-transform: uppercase;
}
.vc-pct {
  font-weight: 700 !important;
  color: var(--cyan) !important;
  font-family: var(--font-alt);
}
.vc-bar {
  height: 4px;
  background: rgba(255,255,255,0.07);
  border-radius: 4px;
  overflow: hidden;
}
.vc-fill {
  height: 100%;
  width: 0;
  background: linear-gradient(to right, var(--blue), var(--cyan));
  border-radius: 4px;
  transition: width 1.4s cubic-bezier(0.4, 0, 0.2, 1) 0.5s;
  position: relative;
}
.vc-fill::after {
  content: '';
  position: absolute;
  right: 0; top: 0;
  width: 6px; height: 100%;
  background: var(--white);
  border-radius: 4px;
  box-shadow: 0 0 8px rgba(0,212,255,0.8);
  opacity: 0.8;
}
.venture-card.visible .vc-fill { width: var(--fill); }

/* Roadmap */
.roadmap { max-width: 860px; margin: 0 auto; }
.roadmap-track {
  position: relative;
  margin-top: 40px;
  padding-left: 32px;
}
.roadmap-track::before {
  content: '';
  position: absolute;
  left: 10px; top: 12px; bottom: 12px;
  width: 2px;
  background: linear-gradient(to bottom, var(--blue), var(--cyan), rgba(0,212,255,0.15));
  border-radius: 2px;
}
.rm-step {
  position: relative;
  display: flex;
  align-items: flex-start;
  gap: 24px;
  margin-bottom: 36px;
  text-align: left;
  opacity: 0;
  transform: translateX(-20px);
}
.rm-step.visible {
  opacity: 1;
  transform: translateX(0);
}
.rm-dot {
  flex-shrink: 0;
  width: 40px; height: 40px;
  border-radius: 50%;
  background: var(--bg-panel);
  border: 2px solid rgba(0,212,255,0.2);
  display: flex; align-items: center; justify-content: center;
  font-size: 0.85rem;
  color: var(--white-40);
  margin-left: -52px;
  position: relative;
  z-index: 1;
  transition: border-color 0.3s, color 0.3s, box-shadow 0.3s;
}
.rm-step.done .rm-dot {
  background: linear-gradient(135deg, var(--blue-mid), var(--blue));
  border-color: var(--blue);
  color: var(--white);
  box-shadow: 0 0 16px rgba(0,119,255,0.4);
}
.rm-step.active .rm-dot {
  background: linear-gradient(135deg, rgba(0,212,255,0.3), rgba(0,119,255,0.2));
  border-color: var(--cyan);
  color: var(--cyan);
  box-shadow: 0 0 20px rgba(0,212,255,0.5);
  animation: rm-active-pulse 2s ease-in-out infinite;
}
@keyframes rm-active-pulse {
  0%, 100% { box-shadow: 0 0 20px rgba(0,212,255,0.5); }
  50%       { box-shadow: 0 0 36px rgba(0,212,255,0.9); }
}
.rm-content { padding-top: 8px; flex: 1; }
.rm-phase {
  display: inline-block;
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--cyan);
  margin-bottom: 4px;
  opacity: 0.8;
}
.rm-step.active .rm-phase { opacity: 1; color: var(--cyan); }
.rm-content strong {
  display: block;
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 5px;
}
.rm-step.done .rm-content strong { color: var(--white-70); }
.rm-step.active .rm-content strong { color: var(--white); }
.rm-step:not(.done):not(.active) .rm-content strong { color: var(--white-40); }
.rm-content p {
  font-size: 0.85rem;
  line-height: 1.6;
  color: var(--white-40);
}
.rm-step.done .rm-content p,
.rm-step.active .rm-content p { color: var(--white-70); }

/* ══════════════════════════════════════════
   ENHANCED HOVER TILT / MAGNETIC EFFECTS
══════════════════════════════════════════ */

/* Tilt-enabled cards get perspective */
[data-tilt] {
  transform-style: preserve-3d;
  will-change: transform;
}
/* Magnetic button effect class added by JS */
.btn-primary, .btn-ghost, .nav-cta, .btn-submit {
  will-change: transform;
}
/* Inner shimmer on hover for cards */
.r-card, .pillar, .venture-card {
  position: relative;
  overflow: hidden;
}
.r-card::before, .pillar::before, .venture-card::before {
  content: '';
  position: absolute;
  top: 0; left: -100%;
  width: 60%; height: 100%;
  background: linear-gradient(
    105deg,
    transparent 20%,
    rgba(0,212,255,0.05) 50%,
    transparent 80%
  );
  transition: left 0.6s ease;
  pointer-events: none;
  z-index: 0;
}
.r-card:hover::before,
.pillar:hover::before,
.venture-card:hover::before {
  left: 160%;
}

/* ── Glitch Effect ── */
.title-mx.glitch {
  animation: glitch-anim 0.2s steps(2) both;
}
@keyframes glitch-anim {
  0%   { clip-path: inset(10% 0 80% 0); transform: translate(-3px, 0); filter: drop-shadow(0 0 40px rgba(0,212,255,0.4)) hue-rotate(10deg); }
  20%  { clip-path: inset(60% 0 20% 0); transform: translate(3px, 0); }
  40%  { clip-path: inset(30% 0 50% 0); transform: translate(-2px, 0); filter: drop-shadow(0 0 60px rgba(0,119,255,0.7)); }
  60%  { clip-path: inset(70% 0 10% 0); transform: translate(2px, 0); }
  80%  { clip-path: inset(5% 0 75% 0);  transform: translate(-1px, 0); }
  100% { clip-path: none; transform: translate(0,0); filter: drop-shadow(0 0 40px rgba(0,212,255,0.4)); }
}

/* ── Nav Active ── */
.nav-link.active { color: var(--cyan); }
.nav-link.active::after { width: 100%; }

/* ── Animations ── */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ══════════════════════════════════════════
   RESPONSIVE — TABLET 1024px
══════════════════════════════════════════ */
@media (max-width: 1024px) {
  .research-cards  { grid-template-columns: repeat(2, 1fr); }
  .vision-pillars  { grid-template-columns: repeat(2, 1fr); }
  .venture-grid    { grid-template-columns: repeat(2, 1fr); }
  .interface-grid  { grid-template-columns: 1fr; gap: 60px; }
  .orbital-system  { width: 300px; height: 300px; }
  .orbit-3 { width: 290px; height: 290px; }
  .orbit-2 { width: 210px; height: 210px; }
  .orbit-1 { width: 140px; height: 140px; }
}

/* ══════════════════════════════════════════
   RESPONSIVE — MOBILE 768px
══════════════════════════════════════════ */
@media (max-width: 768px) {

  /* ── Global ── */
  body { cursor: auto; }
  #cursor-glow, #cursor-dot { display: none; }
  #mouse-particles-canvas { display: none; }

  /* ── Navbar ── */
  #navbar { padding: 0 20px; }
  .nav-links { display: none; }
  .nav-toggle { display: flex; }
  .mobile-menu.open { display: flex; }

  /* ── Hero ── */
  .hero-content { padding: 110px 20px 80px; }
  .hero-stats { gap: 20px; }
  .stat-num { font-size: 1.8rem; }
  .title-mx { font-size: clamp(4rem, 22vw, 6rem); }
  .hero-sub  { font-size: clamp(1.2rem, 5vw, 1.8rem); }

  /* ── Sections ── */
  .research-section,
  .interface-section,
  .startup-section,
  .vision-section,
  .connect-section { padding: 80px 20px; }

  /* ── Cards ── */
  .research-cards  { grid-template-columns: 1fr; }
  .vision-pillars  { grid-template-columns: 1fr 1fr; gap: 16px; }
  .venture-grid    { grid-template-columns: 1fr; }
  .form-row        { grid-template-columns: 1fr; }
  .interface-grid  { grid-template-columns: 1fr; }
  .int-visual      { display: none; }

  /* ── Feature list full width ── */
  .feature-list li { flex-direction: column; gap: 12px; }

  /* ── Roadmap ── */
  .roadmap-track { padding-left: 24px; }
  .rm-dot { margin-left: -44px; width: 32px; height: 32px; font-size: 0.75rem; }

  /* ── Touch — disable tilt on mobile ── */
  [data-tilt] { transform: none !important; }
}

/* ══════════════════════════════════════════
   RESPONSIVE — MOBILE SMALL 480px
══════════════════════════════════════════ */
@media (max-width: 480px) {
  /* ── Hero actions stack ── */
  .hero-actions { flex-direction: column; width: 100%; }
  .btn-primary, .btn-ghost { width: 100%; justify-content: center; }

  /* ── Hero stats stack ── */
  .hero-stats { flex-direction: column; gap: 12px; }
  .stat-divider { width: 60px; height: 1px; }

  /* ── Vision pillars stack ── */
  .vision-pillars { grid-template-columns: 1fr; }

  /* ── Section titles ── */
  .section-title { font-size: clamp(1.7rem, 7vw, 2.5rem); }

  /* ── Venture cards padding ── */
  .venture-card { padding: 28px 20px; }
  .vc-value { font-size: 1.6rem; }

  /* ── Roadmap compact ── */
  .rm-step { gap: 16px; margin-bottom: 28px; }
  .roadmap-track { padding-left: 20px; }
  .roadmap-track::before { left: 8px; }
  .rm-dot { margin-left: -38px; width: 28px; height: 28px; font-size: 0.65rem; }

  /* ── Nav CTA simpler on small screens ── */
  .nav-cta { padding: 7px 18px; font-size: 0.8rem; }

  /* ── Footer ── */
  .footer-links { flex-wrap: wrap; gap: 20px; justify-content: center; }
  .footer-tagline { font-size: 0.72rem; }

  /* ── Touch feedback for buttons instead of hover ── */
  .btn-primary:active  { transform: scale(0.97); box-shadow: 0 0 30px rgba(0,119,255,0.5); }
  .btn-ghost:active    { background: rgba(0,212,255,0.1); }
  .btn-submit:active   { transform: scale(0.97); }
  .r-card:active       { border-color: rgba(0,212,255,0.5); }
  .venture-card:active { border-color: rgba(0,212,255,0.5); }
  .pillar:active       { border-color: rgba(0,212,255,0.4); }
}

/* ══════════════════════════════════════════
   TOUCH DEVICE — PARTICLE RIPPLE (FINGER TAP)
══════════════════════════════════════════ */
@media (hover: none) and (pointer: coarse) {
  body { cursor: auto; }
  #cursor-glow, #cursor-dot { display: none !important; }
  /* Touch tap particles canvas kept visible — handled by JS touch events */
}