/* ============================================================
   NEXUS // Digital Universe — style.css
   ============================================================ */

/* ── Tokens ── */
:root {
  --c-bg:           #020408;
  --c-bg-2:         #040c14;
  --c-surface:      rgba(255,255,255,0.04);
  --c-border:       rgba(0,212,255,0.18);
  --c-border-2:     rgba(123,47,255,0.25);

  --c-cyan:         #00d4ff;
  --c-violet:       #7b2fff;
  --c-pink:         #ff2d7b;
  --c-orange:       #ff6b35;
  --c-green:        #00ff88;

  --g-main:         linear-gradient(135deg, #00d4ff 0%, #7b2fff 100%);
  --g-fire:         linear-gradient(135deg, #ff6b35 0%, #ff2d7b 100%);
  --g-matrix:       linear-gradient(135deg, #00ff88 0%, #00d4ff 100%);

  --ff-display:     'Orbitron', monospace;
  --ff-body:        'Rajdhani', sans-serif;
  --ff-mono:        'Share Tech Mono', monospace;

  --radius-sm:      6px;
  --radius-md:      12px;
  --radius-lg:      20px;

  --transition:     cubic-bezier(0.16, 1, 0.3, 1);
  --transition-fast:cubic-bezier(0.4, 0, 0.2, 1);
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--ff-body);
  background: var(--c-bg);
  color: rgba(255,255,255,0.87);
  overflow-x: hidden;
  cursor: none;
}

/* ── Canvas ── */
#cosmos-canvas {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
}

/* ── Overlays ── */
.noise-overlay {
  position: fixed;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.04'/%3E%3C/svg%3E");
  opacity: 0.4;
  mix-blend-mode: overlay;
}

.scanlines {
  position: fixed;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background: repeating-linear-gradient(
    0deg,
    transparent,
    transparent 2px,
    rgba(0,0,0,0.08) 2px,
    rgba(0,0,0,0.08) 4px
  );
}

.vignette {
  position: fixed;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background: radial-gradient(ellipse at center,
    transparent 40%,
    rgba(0,0,0,0.7) 100%
  );
}

/* ── Custom Cursor ── */
.cursor-ring {
  position: fixed;
  width: 40px;
  height: 40px;
  border: 1.5px solid var(--c-cyan);
  border-radius: 50%;
  pointer-events: none;
  z-index: 9999;
  transform: translate(-50%, -50%);
  transition: width 0.3s var(--transition), height 0.3s var(--transition),
              border-color 0.3s, opacity 0.3s;
  mix-blend-mode: difference;
}

.cursor-dot {
  position: fixed;
  width: 6px;
  height: 6px;
  background: var(--c-cyan);
  border-radius: 50%;
  pointer-events: none;
  z-index: 9999;
  transform: translate(-50%, -50%);
  box-shadow: 0 0 10px var(--c-cyan);
}

body:has(a:hover) .cursor-ring,
body:has(button:hover) .cursor-ring {
  width: 56px;
  height: 56px;
  border-color: var(--c-violet);
}

/* ── Navigation ── */
.nav-hud {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 48px;
  background: rgba(2,4,8,0.7);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--c-border);
  transition: padding 0.4s var(--transition);
}

.nav-hud.scrolled {
  padding: 12px 48px;
  background: rgba(2,4,8,0.9);
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 4px;
  font-family: var(--ff-display);
  font-weight: 700;
}

.logo-bracket {
  color: var(--c-cyan);
  font-size: 1.1rem;
}

.logo-text {
  font-size: 1.2rem;
  letter-spacing: 0.2em;
  background: var(--g-main);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.logo-version {
  font-family: var(--ff-mono);
  font-size: 0.6rem;
  color: var(--c-cyan);
  opacity: 0.6;
  margin-left: 8px;
  align-self: flex-end;
  margin-bottom: 2px;
}

.nav-links {
  display: flex;
  gap: 40px;
}

.nav-link {
  font-family: var(--ff-display);
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.18em;
  color: rgba(255,255,255,0.6);
  text-decoration: none;
  position: relative;
  transition: color 0.3s;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--g-main);
  transition: width 0.4s var(--transition);
}

.nav-link:hover {
  color: var(--c-cyan);
}

.nav-link:hover::after {
  width: 100%;
}

.nav-status {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--ff-mono);
  font-size: 0.65rem;
  color: var(--c-green);
}

.status-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--c-green);
  animation: pulse-dot 2s infinite;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; box-shadow: 0 0 6px var(--c-green); }
  50% { opacity: 0.4; box-shadow: none; }
}

/* ── Hero ── */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 120px 48px 80px;
  overflow: hidden;
  z-index: 2;
}

.hero-grid-overlay {
  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 80%);
}

/* Orbs */
.orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  pointer-events: none;
  animation: orb-drift 14s ease-in-out infinite alternate;
}

.orb-1 {
  width: 500px; height: 500px;
  top: -100px; left: -100px;
  background: radial-gradient(circle, rgba(0,212,255,0.25), transparent 70%);
  animation-delay: 0s;
}

.orb-2 {
  width: 400px; height: 400px;
  top: 20%; right: -80px;
  background: radial-gradient(circle, rgba(123,47,255,0.3), transparent 70%);
  animation-delay: -4s;
  animation-duration: 18s;
}

.orb-3 {
  width: 350px; height: 350px;
  bottom: 0; left: 40%;
  background: radial-gradient(circle, rgba(255,45,123,0.15), transparent 70%);
  animation-delay: -8s;
  animation-duration: 22s;
}

@keyframes orb-drift {
  from { transform: translate(0, 0) scale(1); }
  to   { transform: translate(60px, 40px) scale(1.1); }
}

.hero-content {
  position: relative;
  z-index: 3;
  max-width: 800px;
  text-align: center;
}

.hero-eyebrow {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  margin-bottom: 24px;
}

.eyebrow-line {
  display: block;
  width: 60px;
  height: 1px;
  background: var(--g-main);
  opacity: 0.5;
}

.eyebrow-text {
  font-family: var(--ff-mono);
  font-size: 0.65rem;
  letter-spacing: 0.25em;
  color: var(--c-cyan);
  opacity: 0.8;
}

.hero-title {
  font-family: var(--ff-display);
  font-size: clamp(3rem, 9vw, 7.5rem);
  font-weight: 900;
  line-height: 0.9;
  letter-spacing: -0.02em;
  margin-bottom: 28px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.title-line {
  display: block;
  opacity: 0;
  transform: translateY(40px);
  animation: slide-up 0.9s var(--transition) forwards;
}

.line-1 { animation-delay: 0.2s; }
.line-2 { animation-delay: 0.4s; }
.line-3 { animation-delay: 0.6s; }

@keyframes slide-up {
  to { opacity: 1; transform: translateY(0); }
}

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

.gradient-text-2 {
  background: var(--g-fire);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.gradient-text-3 {
  background: var(--g-matrix);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-sub {
  font-size: 1.15rem;
  font-weight: 300;
  line-height: 1.6;
  color: rgba(255,255,255,0.55);
  max-width: 520px;
  margin: 0 auto 40px;
  opacity: 0;
  animation: fade-in 1s var(--transition) 0.8s forwards;
}

@keyframes fade-in {
  to { opacity: 1; }
}

/* Buttons */
.hero-actions {
  display: flex;
  gap: 20px;
  justify-content: center;
  align-items: center;
  margin-bottom: 60px;
  opacity: 0;
  animation: fade-in 0.8s var(--transition) 1s forwards;
}

.btn-primary {
  position: relative;
  background: transparent;
  border: none;
  padding: 16px 40px;
  cursor: none;
  font-family: var(--ff-display);
  font-size: 0.75rem;
  letter-spacing: 0.2em;
  font-weight: 600;
  color: #fff;
  overflow: hidden;
  transition: color 0.3s;
}

.btn-primary::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--g-main);
  opacity: 0.15;
  transition: opacity 0.3s;
}

.btn-primary:hover::before { opacity: 0.3; }

.btn-border-top, .btn-border-bottom {
  position: absolute;
  height: 1px;
  background: var(--g-main);
  left: 0; right: 0;
}

.btn-border-left, .btn-border-right {
  position: absolute;
  width: 1px;
  background: var(--g-main);
  top: 0; bottom: 0;
}

.btn-border-top    { top: 0;    width: 0; animation: border-h 0.6s 1.2s var(--transition) forwards; }
.btn-border-bottom { bottom: 0; width: 0; animation: border-h 0.6s 1.3s var(--transition) forwards; }
.btn-border-left   { left: 0;   height: 0; animation: border-v 0.6s 1.4s var(--transition) forwards; }
.btn-border-right  { right: 0;  height: 0; animation: border-v 0.6s 1.5s var(--transition) forwards; }

@keyframes border-h { to { width: 100%; } }
@keyframes border-v { to { height: 100%; } }

.btn-glow {
  position: absolute;
  inset: 0;
  background: var(--g-main);
  opacity: 0;
  filter: blur(20px);
  transition: opacity 0.4s;
  z-index: -1;
}

.btn-primary:hover .btn-glow { opacity: 0.4; }
.btn-text { position: relative; z-index: 1; }

.btn-ghost {
  display: flex;
  align-items: center;
  gap: 10px;
  background: transparent;
  border: none;
  cursor: none;
  font-family: var(--ff-display);
  font-size: 0.75rem;
  letter-spacing: 0.18em;
  font-weight: 500;
  color: rgba(255,255,255,0.5);
  transition: color 0.3s;
}

.btn-ghost:hover { color: var(--c-cyan); }

.btn-arrow {
  width: 20px;
  height: 20px;
  transition: transform 0.3s var(--transition);
}

.btn-ghost:hover .btn-arrow { transform: translateX(4px); }
.btn-ghost.full-width { width: 100%; justify-content: center; }
.btn-primary.full-width { width: 100%; }

/* HUD Stats */
.hud-stats {
  display: flex;
  gap: 32px;
  justify-content: center;
  align-items: center;
  padding: 20px 32px;
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-sm);
  backdrop-filter: blur(12px);
  opacity: 0;
  animation: fade-in 0.8s var(--transition) 1.2s forwards;
}

.hud-stat {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
}

.stat-value {
  font-family: var(--ff-display);
  font-size: 1.6rem;
  font-weight: 700;
  background: var(--g-main);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.stat-label {
  font-family: var(--ff-mono);
  font-size: 0.55rem;
  letter-spacing: 0.2em;
  color: rgba(255,255,255,0.4);
}

.hud-divider {
  width: 1px;
  height: 36px;
  background: var(--c-border);
}

/* Holographic Cards */
.holo-cards {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 2;
}

.holo-card {
  position: absolute;
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-md);
  backdrop-filter: blur(20px);
  padding: 16px 20px;
  min-width: 160px;
  animation: float-card 6s ease-in-out infinite;
}

.card-1 {
  top: 22%; left: 6%;
  animation-delay: 0s;
  opacity: 0;
  animation: fade-in 0.6s 1.5s forwards, float-card 7s 2.1s ease-in-out infinite;
}

.card-2 {
  top: 55%; right: 8%;
  animation-delay: 0s;
  opacity: 0;
  animation: fade-in 0.6s 1.7s forwards, float-card 9s 2.3s ease-in-out infinite;
}

.card-3 {
  bottom: 18%; left: 9%;
  opacity: 0;
  animation: fade-in 0.6s 1.9s forwards, float-card 11s 2.5s ease-in-out infinite;
}

@keyframes float-card {
  0%, 100% { transform: translateY(0) rotate(-1deg); }
  50%       { transform: translateY(-12px) rotate(1deg); }
}

.card-inner { display: flex; flex-direction: column; gap: 6px; }

.card-icon {
  font-size: 1.4rem;
  background: var(--g-main);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.card-label {
  font-family: var(--ff-mono);
  font-size: 0.55rem;
  letter-spacing: 0.15em;
  color: rgba(255,255,255,0.4);
}

.card-value {
  font-family: var(--ff-display);
  font-size: 1rem;
  font-weight: 700;
  color: var(--c-cyan);
}

.card-bar {
  height: 3px;
  background: rgba(255,255,255,0.1);
  border-radius: 2px;
  overflow: hidden;
}

.card-fill {
  height: 100%;
  width: var(--fill);
  background: var(--g-main);
  border-radius: 2px;
}

.card-pulse {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--c-green);
  box-shadow: 0 0 10px var(--c-green);
  animation: pulse-dot 1.5s infinite;
}

/* Scroll Cue */
.scroll-cue {
  position: absolute;
  bottom: 36px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  opacity: 0;
  animation: fade-in 1s 2s forwards;
}

.scroll-text {
  font-family: var(--ff-mono);
  font-size: 0.55rem;
  letter-spacing: 0.25em;
  color: rgba(255,255,255,0.3);
}

.scroll-line {
  width: 1px;
  height: 50px;
  background: linear-gradient(to bottom, var(--c-cyan), transparent);
  animation: scroll-line 2s ease-in-out infinite;
}

@keyframes scroll-line {
  0%   { transform: scaleY(0); transform-origin: top; opacity: 1; }
  50%  { transform: scaleY(1); transform-origin: top; opacity: 1; }
  100% { transform: scaleY(1); transform-origin: bottom; opacity: 0; }
}

/* ── Sections ── */
.section {
  position: relative;
  padding: 120px 48px;
  z-index: 2;
}

.section-bg-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(123,47,255,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(123,47,255,0.03) 1px, transparent 1px);
  background-size: 40px 40px;
  pointer-events: none;
}

.section-header {
  text-align: center;
  margin-bottom: 72px;
}

.section-tag {
  display: inline-block;
  font-family: var(--ff-mono);
  font-size: 0.65rem;
  letter-spacing: 0.2em;
  color: var(--c-cyan);
  margin-bottom: 16px;
}

.section-title {
  font-family: var(--ff-display);
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 16px;
}

.section-sub {
  font-size: 1.05rem;
  color: rgba(255,255,255,0.45);
  max-width: 500px;
  margin: 0 auto;
  line-height: 1.6;
}

/* ── Glass Card ── */
.glass-card {
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(24px);
  position: relative;
  overflow: hidden;
  transition: border-color 0.4s, transform 0.4s var(--transition), box-shadow 0.4s;
}

.glass-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(0,212,255,0.4), transparent);
  opacity: 0;
  transition: opacity 0.4s;
}

.glass-card:hover {
  border-color: rgba(0,212,255,0.35);
  transform: translateY(-4px);
  box-shadow: 0 20px 60px rgba(0,0,0,0.5), 0 0 40px rgba(0,212,255,0.08);
}

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

/* ── Feature Grid ── */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  max-width: 1100px;
  margin: 0 auto;
}

.feature-card {
  padding: 36px 28px;
}

.wide-card {
  grid-column: 1 / -1;
}

.feature-glow {
  position: absolute;
  inset: 0;
  border-radius: inherit;
  opacity: 0;
  transition: opacity 0.4s;
  background: radial-gradient(ellipse at 50% 0%, rgba(0,212,255,0.08), transparent 70%);
}

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

.feature-icon-wrap {
  width: 56px;
  height: 56px;
  margin-bottom: 24px;
  position: relative;
}

.feature-icon {
  width: 100%;
  height: 100%;
}

.feature-title {
  font-family: var(--ff-display);
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  margin-bottom: 12px;
}

.feature-desc {
  font-size: 0.9rem;
  line-height: 1.65;
  color: rgba(255,255,255,0.45);
  margin-bottom: 24px;
}

.feature-footer {
  border-top: 1px solid var(--c-border);
  padding-top: 16px;
}

.feature-tag {
  font-family: var(--ff-mono);
  font-size: 0.62rem;
  letter-spacing: 0.15em;
  color: var(--c-cyan);
  cursor: pointer;
  transition: opacity 0.3s;
}

.feature-tag:hover { opacity: 0.7; }

/* Wide card */
.wide-card-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
}

.wide-card-visual {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 180px;
  height: 180px;
}

/* 3D Rotating Cube */
.rotating-cube {
  width: 80px;
  height: 80px;
  transform-style: preserve-3d;
  animation: rotate-cube 8s linear infinite;
}

@keyframes rotate-cube {
  from { transform: rotateX(30deg) rotateY(0deg); }
  to   { transform: rotateX(30deg) rotateY(360deg); }
}

.cube-face {
  position: absolute;
  width: 80px;
  height: 80px;
  border: 1.5px solid rgba(0,212,255,0.5);
  background: rgba(0,212,255,0.04);
}

.cube-face.front  { transform: translateZ(40px); }
.cube-face.back   { transform: rotateY(180deg) translateZ(40px); }
.cube-face.left   { transform: rotateY(-90deg) translateZ(40px); }
.cube-face.right  { transform: rotateY(90deg) translateZ(40px); }
.cube-face.top    { transform: rotateX(90deg) translateZ(40px); }
.cube-face.bottom { transform: rotateX(-90deg) translateZ(40px); }

/* ── Systems Section ── */
.systems-section {
  background: linear-gradient(to bottom, transparent, rgba(123,47,255,0.04), transparent);
}

.glitch-bar {
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: var(--g-fire);
  opacity: 0.6;
}

.systems-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  max-width: 1100px;
  margin: 0 auto;
  align-items: start;
}

/* Terminal */
.systems-terminal {
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid rgba(0,255,136,0.2);
  background: rgba(0,0,0,0.6);
  backdrop-filter: blur(12px);
}

.terminal-header {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 16px;
  background: rgba(255,255,255,0.04);
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

.terminal-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}

.terminal-dot.red    { background: #ff5f56; }
.terminal-dot.yellow { background: #ffbd2e; }
.terminal-dot.green  { background: #27c93f; }

.terminal-title {
  font-family: var(--ff-mono);
  font-size: 0.65rem;
  color: rgba(255,255,255,0.4);
  margin-left: 8px;
  letter-spacing: 0.1em;
}

.terminal-body {
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.term-line {
  display: flex;
  gap: 10px;
  font-family: var(--ff-mono);
  font-size: 0.75rem;
  line-height: 1.5;
}

.term-prompt {
  color: var(--c-green);
  flex-shrink: 0;
}

.term-cmd { color: rgba(255,255,255,0.8); }

.term-out {
  color: rgba(255,255,255,0.45);
}

.ok { color: var(--c-green); }

.term-out.dim { color: var(--c-cyan); opacity: 0.7; }

.term-out.success { color: var(--c-green); font-weight: 500; }

.term-cursor {
  color: var(--c-cyan);
  animation: blink 1s step-end infinite;
}

@keyframes blink {
  0%, 100% { opacity: 1; }
  50%       { opacity: 0; }
}

/* System Stats */
.systems-stats {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.sys-stat-row {
  display: flex;
  align-items: center;
  gap: 16px;
}

.sys-stat-label {
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: 180px;
  font-family: var(--ff-mono);
  font-size: 0.65rem;
  letter-spacing: 0.1em;
  color: rgba(255,255,255,0.5);
}

.sys-icon {
  color: var(--c-cyan);
  font-size: 0.9rem;
}

.sys-bar-wrap {
  flex: 1;
  display: flex;
  align-items: center;
  gap: 12px;
}

.sys-bar {
  flex: 1;
  height: 4px;
  background: rgba(255,255,255,0.08);
  border-radius: 2px;
  overflow: hidden;
}

.sys-bar-fill {
  height: 100%;
  width: 0;
  background: var(--g-main);
  border-radius: 2px;
  transition: width 1.5s var(--transition);
  position: relative;
}

.sys-bar-fill::after {
  content: '';
  position: absolute;
  right: 0; top: 0; bottom: 0;
  width: 20px;
  background: linear-gradient(to right, transparent, rgba(0,212,255,0.8));
}

.sys-bar-fill.animate { width: var(--w); }

.sys-val {
  font-family: var(--ff-mono);
  font-size: 0.65rem;
  color: var(--c-cyan);
  min-width: 36px;
  text-align: right;
}

/* Alerts */
.sys-alerts {
  border: 1px solid var(--c-border);
  border-radius: var(--radius-sm);
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  background: rgba(0,0,0,0.3);
}

.alert-item {
  display: flex;
  align-items: center;
  gap: 10px;
}

.alert-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  flex-shrink: 0;
}

.alert-dot.cyan { background: var(--c-cyan); box-shadow: 0 0 8px var(--c-cyan); }
.alert-dot.green { background: var(--c-green); box-shadow: 0 0 8px var(--c-green); }
.alert-dot.yellow { background: #ffbd2e; box-shadow: 0 0 8px #ffbd2e; }

.alert-text {
  font-family: var(--ff-mono);
  font-size: 0.62rem;
  color: rgba(255,255,255,0.45);
  flex: 1;
}

.alert-time {
  font-family: var(--ff-mono);
  font-size: 0.6rem;
  color: rgba(255,255,255,0.25);
}

/* ── Dimensions ── */
.dimensions-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  max-width: 1200px;
  margin: 0 auto;
}

.dim-card {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--c-border);
  cursor: pointer;
  height: 400px;
  transition: border-color 0.4s, transform 0.5s var(--transition);
}

.dim-card:hover {
  border-color: rgba(0,212,255,0.5);
  transform: scale(1.02);
}

.dim-bg {
  position: absolute;
  inset: 0;
  background-size: 200% 200%;
  animation: bg-shift 12s ease-in-out infinite alternate;
}

.dim-bg-1 {
  background: radial-gradient(ellipse at 30% 30%, rgba(123,47,255,0.6), transparent 70%),
              radial-gradient(ellipse at 70% 70%, rgba(0,0,40,0.9), transparent 70%);
}

.dim-bg-2 {
  background: radial-gradient(ellipse at 50% 20%, rgba(0,212,255,0.5), transparent 70%),
              radial-gradient(ellipse at 50% 80%, rgba(0,30,60,0.9), transparent 70%);
}

.dim-bg-3 {
  background: radial-gradient(ellipse at 20% 50%, rgba(255,107,53,0.5), transparent 70%),
              radial-gradient(ellipse at 80% 50%, rgba(255,45,123,0.4), transparent 70%);
}

.dim-bg-4 {
  background: radial-gradient(ellipse at 50% 50%, rgba(0,255,136,0.3), transparent 60%),
              radial-gradient(ellipse at 50% 50%, rgba(0,212,255,0.2), transparent 80%);
}

@keyframes bg-shift {
  0%   { background-position: 0% 50%; }
  100% { background-position: 100% 50%; }
}

.dim-content {
  position: absolute;
  inset: 0;
  padding: 28px;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  background: linear-gradient(to top, rgba(0,0,0,0.8) 0%, transparent 60%);
  z-index: 2;
  transform: translateY(16px);
  transition: transform 0.4s var(--transition);
}

.dim-card:hover .dim-content { transform: translateY(0); }

.dim-label {
  font-family: var(--ff-mono);
  font-size: 0.55rem;
  letter-spacing: 0.2em;
  color: var(--c-cyan);
  margin-bottom: 8px;
}

.dim-title {
  font-family: var(--ff-display);
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.dim-desc {
  font-size: 0.8rem;
  color: rgba(255,255,255,0.5);
  line-height: 1.5;
  margin-bottom: 16px;
}

.dim-btn {
  background: transparent;
  border: 1px solid rgba(0,212,255,0.4);
  color: var(--c-cyan);
  font-family: var(--ff-display);
  font-size: 0.65rem;
  letter-spacing: 0.2em;
  padding: 8px 20px;
  border-radius: var(--radius-sm);
  cursor: none;
  transition: background 0.3s, border-color 0.3s;
  align-self: flex-start;
  opacity: 0;
  transition: opacity 0.3s;
}

.dim-card:hover .dim-btn { opacity: 1; }
.dim-btn:hover { background: rgba(0,212,255,0.1); border-color: var(--c-cyan); }

.dim-particles {
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  overflow: hidden;
}

/* ── Contact ── */
.contact-section {
  background: linear-gradient(to bottom, transparent, rgba(0,212,255,0.04), transparent);
}

.contact-bg-effect {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 800px;
  height: 800px;
  background: radial-gradient(circle, rgba(123,47,255,0.12) 0%, transparent 70%);
  pointer-events: none;
}

.contact-inner {
  max-width: 760px;
  margin: 0 auto;
  padding: 60px;
}

.contact-tag {
  font-family: var(--ff-mono);
  font-size: 0.65rem;
  letter-spacing: 0.2em;
  color: var(--c-cyan);
  margin-bottom: 20px;
}

.contact-title {
  font-family: var(--ff-display);
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 800;
  margin-bottom: 16px;
  line-height: 1.1;
}

.contact-sub {
  font-size: 1rem;
  color: rgba(255,255,255,0.45);
  line-height: 1.65;
  margin-bottom: 40px;
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.form-label {
  font-family: var(--ff-mono);
  font-size: 0.58rem;
  letter-spacing: 0.2em;
  color: rgba(255,255,255,0.35);
}

.form-input {
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-sm);
  color: rgba(255,255,255,0.85);
  font-family: var(--ff-body);
  font-size: 0.9rem;
  padding: 12px 16px;
  outline: none;
  transition: border-color 0.3s, background 0.3s;
  width: 100%;
}

.form-input::placeholder { color: rgba(255,255,255,0.2); }

.form-input:focus {
  border-color: var(--c-cyan);
  background: rgba(0,212,255,0.04);
}

.form-textarea {
  resize: vertical;
  min-height: 120px;
}

/* ── Footer ── */
.footer {
  position: relative;
  z-index: 2;
  border-top: 1px solid var(--c-border);
  padding: 72px 48px 40px;
  background: rgba(0,0,0,0.4);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  max-width: 1100px;
  margin: 0 auto 60px;
}

.footer-logo {
  font-family: var(--ff-display);
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 16px;
}

.footer-tagline {
  font-size: 0.85rem;
  color: rgba(255,255,255,0.35);
  line-height: 1.6;
  margin-bottom: 24px;
}

.footer-socials {
  display: flex;
  gap: 12px;
}

.social-link {
  font-family: var(--ff-display);
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  color: rgba(255,255,255,0.4);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-sm);
  padding: 6px 10px;
  cursor: pointer;
  transition: color 0.3s, border-color 0.3s;
}

.social-link:hover {
  color: var(--c-cyan);
  border-color: var(--c-cyan);
}

.footer-col-title {
  font-family: var(--ff-display);
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  color: rgba(255,255,255,0.6);
  margin-bottom: 20px;
}

.footer-link {
  display: block;
  font-size: 0.85rem;
  color: rgba(255,255,255,0.35);
  text-decoration: none;
  margin-bottom: 10px;
  cursor: pointer;
  transition: color 0.3s;
}

.footer-link:hover { color: var(--c-cyan); }

.footer-bottom {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  padding-top: 32px;
  border-top: 1px solid var(--c-border);
  font-family: var(--ff-mono);
  font-size: 0.58rem;
  letter-spacing: 0.1em;
  color: rgba(255,255,255,0.25);
}

/* ── Loader ── */
.loader {
  position: fixed;
  inset: 0;
  z-index: 10000;
  background: var(--c-bg);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: opacity 0.8s var(--transition), visibility 0.8s;
}

.loader.hidden {
  opacity: 0;
  visibility: hidden;
}

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

.loader-logo {
  font-family: var(--ff-display);
  font-size: 2rem;
  font-weight: 900;
  letter-spacing: 0.3em;
  margin-bottom: 40px;
}

.loader-title {
  font-size: 2.5rem;
}

.loader-bar-wrap {
  width: 280px;
  height: 2px;
  background: rgba(255,255,255,0.1);
  border-radius: 1px;
  overflow: hidden;
  margin: 0 auto 20px;
}

.loader-bar {
  height: 100%;
  width: 0;
  background: var(--g-main);
  border-radius: 1px;
  transition: width 0.1s;
}

.loader-status {
  font-family: var(--ff-mono);
  font-size: 0.65rem;
  letter-spacing: 0.2em;
  color: rgba(255,255,255,0.4);
}

/* ── Modal ── */
.modal-overlay {
  position: fixed;
  inset: 0;
  z-index: 9000;
  background: rgba(0,0,0,0.85);
  backdrop-filter: blur(12px);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.4s, visibility 0.4s;
}

.modal-overlay.visible {
  opacity: 1;
  visibility: visible;
}

.modal-box {
  max-width: 480px;
  width: 90%;
  padding: 48px 40px;
  text-align: center;
}

.modal-tag {
  font-family: var(--ff-mono);
  font-size: 0.62rem;
  letter-spacing: 0.2em;
  color: var(--c-cyan);
  margin-bottom: 20px;
}

.modal-title {
  font-family: var(--ff-display);
  font-size: 2rem;
  font-weight: 800;
  margin-bottom: 16px;
}

.modal-text {
  font-size: 0.95rem;
  color: rgba(255,255,255,0.5);
  line-height: 1.65;
  margin-bottom: 32px;
}

/* ── Scroll Reveal ── */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s var(--transition), transform 0.8s var(--transition);
}

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

/* ── Responsive ── */
@media (max-width: 1024px) {
  .feature-grid { grid-template-columns: repeat(2, 1fr); }
  .wide-card { grid-column: auto; }
  .wide-card-content { flex-direction: column; }
  .dimensions-grid { grid-template-columns: repeat(2, 1fr); }
  .systems-layout { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .holo-cards { display: none; }
}

@media (max-width: 768px) {
  .nav-links { display: none; }
  .hero { padding: 100px 24px 80px; }
  .section { padding: 80px 24px; }
  .feature-grid { grid-template-columns: 1fr; }
  .dimensions-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .contact-inner { padding: 36px 24px; }
  .footer { padding: 60px 24px 40px; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .hud-stats { flex-direction: column; gap: 16px; }
  .hud-divider { width: 80%; height: 1px; }
  .nav-hud { padding: 16px 24px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}