/* ============================================================
   VOIDFORGE SYSTEMS — Design System
   Obsidian + Plasma Cyan + Aurora accents
   ============================================================ */

:root {
  /* Core palette — softened, slightly warm near-blacks (less clinical) */
  --obsidian-0: #06070c;
  --obsidian-1: #0b0a12;
  --obsidian-2: #110f1a;
  --obsidian-3: #181623;
  --obsidian-4: #221f30;
  --obsidian-5: #2d2a3c;

  /* Plasma cyan (primary accent) */
  --plasma-100: #d4faff;
  --plasma-300: #6df0ff;
  --plasma-500: #00d4ff;
  --plasma-600: #00a8ff;
  --plasma-700: #0078d4;

  /* Aurora (secondary accents) */
  --aurora-violet: #8b5cf6;
  --aurora-pink: #ec4899;
  --aurora-magenta: #d946ef;
  --aurora-amber: #fbbf24;

  /* Surfaces */
  --surface-glass: rgba(20, 24, 36, 0.45);
  --surface-glass-hi: rgba(30, 36, 52, 0.65);
  --surface-line: rgba(255, 255, 255, 0.06);
  --surface-line-hi: rgba(0, 212, 255, 0.18);

  /* Text */
  --text-100: #ffffff;
  --text-200: #e6ecf5;
  --text-300: #a8b2c5;
  --text-400: #6b7385;
  --text-500: #4a5063;

  /* Typography */
  --font-display: 'Space Grotesk', 'Inter', system-ui, -apple-system, sans-serif;
  --font-body: 'Inter', system-ui, -apple-system, sans-serif;
  --font-mono: 'JetBrains Mono', 'SF Mono', Menlo, monospace;

  /* Shadows — unified elevation ladder (same language everywhere) */
  --shadow-glow-cyan: 0 0 0 1px rgba(0, 212, 255, 0.2),
                      0 8px 32px rgba(0, 212, 255, 0.15),
                      0 0 80px rgba(0, 212, 255, 0.08);
  --shadow-deep: 0 24px 80px rgba(0, 0, 0, 0.6),
                 0 8px 24px rgba(0, 0, 0, 0.4);
  --shadow-1: 0 2px 8px rgba(0, 0, 0, 0.30);    /* resting subtle */
  --shadow-2: 0 10px 24px rgba(0, 0, 0, 0.38);  /* raised card */
  --shadow-3: 0 22px 48px rgba(0, 0, 0, 0.48);  /* floating / media */
  --shadow-hover: 0 16px 34px rgba(0, 0, 0, 0.45); /* interactive lift */

  /* Layout — one radius scale used site-wide (Forge included) */
  --container: min(1320px, calc(100vw - 48px));
  --radius-sm: 10px;   /* inputs, buttons, badges, chips, small cells */
  --radius-md: 14px;   /* cards, panels, media */
  --radius-lg: 20px;   /* large feature wraps, modals */
  --radius-xl: 28px;   /* rare oversized containers */

  /* Motion — one timing + easing system */
  --ease-out-expo: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-out-quart: cubic-bezier(0.25, 1, 0.5, 1);
  --ease-in-out-quart: cubic-bezier(0.76, 0, 0.24, 1);
  --t-fast: 0.15s;   /* presses, tiny state flips */
  --t-base: 0.25s;   /* default hover / color / border */
  --t-slow: 0.45s;   /* card lift, larger moves */
  --focus-ring: 0 0 0 3px rgba(0, 212, 255, 0.45); /* unified keyboard focus */
}

* { box-sizing: border-box; margin: 0; padding: 0; }
*::selection { background: var(--plasma-500); color: var(--obsidian-0); }

/* Unified keyboard focus — one consistent ring on every interactive element.
   Uses :focus-visible so it only shows for keyboard/AT users, never on click. */
a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible,
select:focus-visible,
[tabindex]:focus-visible,
[role="button"]:focus-visible {
  outline: none;
  box-shadow: var(--focus-ring);
}

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

body {
  font-family: var(--font-body);
  font-feature-settings: 'ss01', 'cv11';
  background: var(--obsidian-1);
  color: var(--text-200);
  line-height: 1.5;
  overflow-x: hidden;
  cursor: none;
  min-height: 100vh;
}

/* Cosmic background — animated */
body::before {
  content: '';
  position: fixed; inset: 0;
  background:
    radial-gradient(ellipse 80% 60% at 20% 10%, rgba(0, 212, 255, 0.08), transparent 60%),
    radial-gradient(ellipse 60% 50% at 80% 100%, rgba(139, 92, 246, 0.07), transparent 60%),
    radial-gradient(ellipse 50% 40% at 50% 50%, rgba(217, 70, 239, 0.04), transparent 60%);
  z-index: -2;
  pointer-events: none;
}

body::after {
  content: '';
  position: fixed; inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.012) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.012) 1px, transparent 1px);
  background-size: 64px 64px;
  z-index: -1;
  pointer-events: none;
  mask-image: radial-gradient(ellipse 90% 70% at 50% 30%, black, transparent 75%);
}

/* ===== Animated nebula + canvas starfield (JS-driven) ===== */
#nf-space {
  position: fixed; inset: 0;
  z-index: -1; pointer-events: none;
  overflow: hidden;
}
#nf-space .nf-stars {
  position: absolute; inset: 0;
  display: block;
}
.nf-neb {
  position: absolute;
  border-radius: 50%;
  filter: blur(60px);
  opacity: 0.5;
  mix-blend-mode: screen;
  /* Promote to its own GPU layer and keep it cached: we ONLY translate
     (never scale / never animate opacity) so the expensive blurred bitmap
     is rasterized once and merely re-composited each frame. This is what
     keeps the whole page — and the cursor — smooth. */
  will-change: transform;
  transform: translateZ(0);
  backface-visibility: hidden;
}
.nf-neb-a {
  width: 60vw; height: 60vw;
  left: -10vw; top: -8vw;
  background: radial-gradient(circle at 40% 40%, rgba(0,212,255,0.30), rgba(0,212,255,0) 62%);
  animation: nebDriftA 46s ease-in-out infinite;
}
.nf-neb-b {
  width: 55vw; height: 55vw;
  right: -12vw; top: 28vh;
  background: radial-gradient(circle at 55% 45%, rgba(139,92,246,0.30), rgba(139,92,246,0) 62%);
  animation: nebDriftB 58s ease-in-out infinite;
}
.nf-neb-c {
  width: 48vw; height: 48vw;
  left: 28vw; bottom: -18vw;
  background: radial-gradient(circle at 50% 50%, rgba(217,70,239,0.22), rgba(217,70,239,0) 62%);
  animation: nebDriftC 64s ease-in-out infinite;
}
@keyframes nebDriftA {
  0%,100% { transform: translate3d(0,0,0); }
  50%     { transform: translate3d(6vw, 5vh, 0); }
}
@keyframes nebDriftB {
  0%,100% { transform: translate3d(0,0,0); }
  50%     { transform: translate3d(-7vw, -4vh, 0); }
}
@keyframes nebDriftC {
  0%,100% { transform: translate3d(0,0,0); }
  50%     { transform: translate3d(4vw, -6vh, 0); }
}
@media (prefers-reduced-motion: reduce) {
  .nf-neb { animation: none !important; }
}

/* Star field */
.starfield {
  position: fixed; inset: 0;
  z-index: -1; pointer-events: none;
  overflow: hidden;
}
.starfield::before, .starfield::after {
  content: ''; position: absolute; inset: 0;
  background-image:
    radial-gradient(1px 1px at 10% 20%, white, transparent),
    radial-gradient(1px 1px at 25% 80%, rgba(255,255,255,0.6), transparent),
    radial-gradient(1px 1px at 50% 50%, rgba(109,240,255,0.8), transparent),
    radial-gradient(1px 1px at 70% 30%, white, transparent),
    radial-gradient(1px 1px at 90% 70%, rgba(255,255,255,0.5), transparent),
    radial-gradient(1px 1px at 35% 10%, white, transparent),
    radial-gradient(1px 1px at 80% 90%, rgba(139,92,246,0.6), transparent),
    radial-gradient(1px 1px at 15% 60%, rgba(255,255,255,0.4), transparent);
  background-size: 100% 100%;
  animation: drift 80s linear infinite;
  opacity: 0.22;
}
.starfield::after { animation-duration: 120s; animation-direction: reverse; opacity: 0.14; }
@keyframes drift {
  from { transform: translateY(0); }
  to { transform: translateY(-100vh); }
}

/* ===== Custom Cursor (refined / minimal) =====
   Position lives on the wrapper (set by JS via translate3d, transform ONLY).
   The visible dot/scale lives on ::before so hover-scaling never fights the
   JS translate. Centering via negative margin keeps JS to pure x/y. */
.nf-cursor {
  position: fixed; top: 0; left: 0;
  width: 7px; height: 7px;
  margin: -3.5px 0 0 -3.5px;
  pointer-events: none;
  z-index: 9999;
  opacity: 0;
  will-change: transform;
  transition: opacity 0.3s ease;
}
.nf-cursor::before {
  content: ''; display: block;
  width: 100%; height: 100%;
  border-radius: 50%;
  background: #eafcff;
  box-shadow: 0 0 6px rgba(0, 212, 255, 0.7);
  transition: transform 0.18s ease, background 0.18s ease;
}
.nf-cursor.hovering::before {
  transform: scale(1.7);
  background: var(--plasma-500);
}
.nf-cursor-ring {
  position: fixed; top: 0; left: 0;
  width: 30px; height: 30px;
  margin: -15px 0 0 -15px;
  border: 1px solid rgba(0, 212, 255, 0.45);
  border-radius: 50%;
  pointer-events: none;
  z-index: 9998;
  opacity: 0;
  will-change: transform;
  transition: width 0.25s ease, height 0.25s ease, margin 0.25s ease,
              border-color 0.25s ease, background 0.25s ease, opacity 0.3s ease;
}
.nf-cursor-ring.hovering {
  width: 50px; height: 50px;
  margin: -25px 0 0 -25px;
  border-color: var(--plasma-500);
  background: rgba(0, 212, 255, 0.05);
}
.nf-cursor.clicking::before { transform: scale(0.6); }
.nf-cursor-ring.clicking { width: 22px; height: 22px; margin: -11px 0 0 -11px; }
@media (max-width: 920px), (pointer: coarse) {
  body { cursor: auto; }
  .nf-cursor, .nf-cursor-ring { display: none; }
}

/* ===== Typography ===== */
h1, h2, h3, h4, h5 {
  font-family: var(--font-display);
  font-weight: 600;
  color: var(--text-100);
  letter-spacing: -0.02em;
  line-height: 1.05;
}
.eyebrow {
  font-family: var(--font-body);
  font-size: 13px;
  letter-spacing: 0.06em;
  text-transform: none;
  color: var(--plasma-300);
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 12px;
}
.eyebrow::before {
  content: ''; width: 24px; height: 1px;
  background: var(--plasma-500);
  display: inline-block;
}
.display-1 { font-size: clamp(48px, 8vw, 120px); font-weight: 600; letter-spacing: -0.04em; }
.display-2 { font-size: clamp(36px, 5vw, 72px); font-weight: 600; letter-spacing: -0.03em; }
.display-3 { font-size: clamp(28px, 3.5vw, 48px); font-weight: 600; letter-spacing: -0.02em; }

.gradient-text {
  background: linear-gradient(135deg, var(--plasma-300) 0%, var(--plasma-500) 35%, var(--aurora-violet) 80%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.aurora-text {
  background: linear-gradient(120deg, #fff 0%, var(--plasma-300) 30%, var(--aurora-violet) 60%, var(--aurora-pink) 90%);
  background-size: 100%;
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.muted { color: var(--text-300); }
.mono { font-family: var(--font-mono); }

/* ===== Container / Sections ===== */
.container { width: var(--container); margin-inline: auto; }
.section { padding: clamp(80px, 12vw, 160px) 0; position: relative; }
.section-divider {
  width: 100%; height: 1px;
  background: linear-gradient(90deg, transparent, var(--surface-line-hi) 50%, transparent);
}

/* ===== Navigation ===== */
.nf-nav {
  position: fixed; top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 18px 0;
  transition: all 0.4s var(--ease-out-quart);
  backdrop-filter: blur(0px);
}
.nf-nav.scrolled {
  padding: 12px 0;
  background: rgba(5, 6, 10, 0.7);
  backdrop-filter: blur(24px) saturate(180%);
  border-bottom: 1px solid var(--surface-line);
}
.nf-nav-inner {
  width: var(--container);
  margin-inline: auto;
  display: flex; align-items: center; justify-content: space-between;
  gap: 32px;
}
.nf-logo {
  display: flex; align-items: center; gap: 10px;
  text-decoration: none; color: var(--text-100);
  font-family: var(--font-display); font-weight: 600;
  letter-spacing: 0.02em; font-size: 18px;
}
.nf-logo-mark {
  width: 32px; height: 32px;
  display: grid; place-items: center;
  background: linear-gradient(135deg, var(--plasma-500), var(--aurora-violet));
  border-radius: 8px;
  box-shadow: 0 0 24px rgba(0, 212, 255, 0.4);
  position: relative;
  overflow: hidden;
}
.nf-logo-mark::after {
  content: ''; position: absolute; inset: 1px;
  background: var(--obsidian-1);
  border-radius: 7px;
  z-index: 1;
}
.nf-logo-mark svg { position: relative; z-index: 2; }
.nf-logo-text { font-size: 17px; }
.nf-logo-text span { color: var(--plasma-500); font-weight: 500; }

.nf-nav-links {
  display: flex; align-items: center; gap: 4px;
  background: rgba(255,255,255,0.025);
  border: 1px solid var(--surface-line);
  border-radius: 99px;
  padding: 6px;
}
.nf-nav-link {
  text-decoration: none;
  color: var(--text-300);
  font-size: 14px; font-weight: 500;
  padding: 9px 18px;
  border-radius: 99px;
  transition: all 0.3s var(--ease-out-quart);
  position: relative;
}
.nf-nav-link:hover { color: var(--text-100); background: rgba(255,255,255,0.05); }
.nf-nav-link.active { color: var(--obsidian-1); background: var(--plasma-500); }
.nf-nav-cta { display: flex; gap: 12px; align-items: center; }

.nf-nav-toggle {
  display: none;
  width: 42px; height: 42px;
  align-items: center; justify-content: center;
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--surface-line);
  border-radius: var(--radius-sm);
  color: var(--text-100);
  padding: 0; cursor: pointer;
  transition: all 0.3s var(--ease-out-quart);
}
.nf-nav-toggle:hover { background: rgba(255,255,255,0.08); }
.nf-nav-toggle svg { width: 20px; height: 20px; display: block; }
.nf-nav-toggle .ic-close { display: none; }
.nf-nav.nav-open .nf-nav-toggle .ic-open { display: none; }
.nf-nav.nav-open .nf-nav-toggle .ic-close { display: block; }

@media (max-width: 920px) {
  .nf-nav-toggle { display: inline-flex; }
  .nf-nav-inner { flex-wrap: wrap; gap: 0; }
  .nf-logo { order: 1; }
  .nf-nav-toggle { order: 2; }
  .nf-nav-links { order: 3; }
  .nf-nav-cta { order: 4; }
  .nf-nav.nav-open {
    background: rgba(5, 6, 10, 0.96);
    backdrop-filter: blur(24px) saturate(180%);
    border-bottom: 1px solid var(--surface-line);
  }
  .nf-nav-links, .nf-nav-cta { display: none; flex-basis: 100%; }
  .nf-nav.nav-open .nf-nav-links {
    display: flex; flex-direction: column; align-items: stretch;
    width: 100%; gap: 2px;
    background: transparent; border: none; border-radius: 0;
    padding: 14px 0 4px; margin-top: 14px;
    border-top: 1px solid var(--surface-line);
  }
  .nf-nav.nav-open .nf-nav-link { padding: 14px 16px; border-radius: var(--radius-sm); }
  .nf-nav.nav-open .nf-nav-cta {
    display: flex; flex-direction: column; align-items: stretch;
    width: 100%; gap: 10px; padding: 4px 0 6px;
  }
  .nf-nav.nav-open .nf-nav-cta .btn { justify-content: center; width: 100%; }
}

/* ===== Buttons ===== */
.btn {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 14px 26px;
  border-radius: 99px;
  font-family: var(--font-display);
  font-weight: 500; font-size: 14px;
  letter-spacing: 0.01em;
  text-decoration: none;
  border: 1px solid transparent;
  cursor: none;
  transition: all 0.4s var(--ease-out-quart);
  position: relative;
  overflow: hidden;
  user-select: none;
  white-space: nowrap;
}
.btn::before {
  content: ''; position: absolute; inset: 0;
  background: radial-gradient(circle 80px at var(--mx, 50%) var(--my, 50%), rgba(255,255,255,0.15), transparent 60%);
  opacity: 0;
  transition: opacity 0.3s;
  pointer-events: none;
}
.btn:hover::before { opacity: 1; }
.btn svg { transition: transform 0.4s var(--ease-out-quart); }
.btn:hover svg { transform: translateX(4px); }

.btn-primary {
  background: linear-gradient(135deg, var(--plasma-500), var(--plasma-700));
  color: var(--obsidian-0);
  box-shadow: 0 8px 24px rgba(0, 168, 255, 0.35), inset 0 1px 0 rgba(255,255,255,0.3);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 36px rgba(0, 212, 255, 0.5), inset 0 1px 0 rgba(255,255,255,0.4);
}

.btn-ghost {
  background: rgba(255,255,255,0.03);
  color: var(--text-100);
  border-color: var(--surface-line);
}
.btn-ghost:hover {
  background: rgba(255,255,255,0.07);
  border-color: var(--plasma-500);
  color: var(--plasma-300);
}

.btn-glass {
  background: var(--surface-glass);
  border-color: var(--surface-line);
  color: var(--text-100);
  backdrop-filter: blur(20px);
}
.btn-glass:hover {
  background: var(--surface-glass-hi);
  border-color: var(--plasma-500);
}

.btn-sm { padding: 10px 18px; font-size: 13px; }
.btn-lg { padding: 18px 32px; font-size: 15px; }

/* ===== Glass Cards ===== */
.glass {
  background: var(--surface-glass);
  border: 1px solid var(--surface-line);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(20px) saturate(160%);
  position: relative;
  overflow: hidden;
}
.glass::before {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(135deg, rgba(255,255,255,0.05) 0%, transparent 50%);
  pointer-events: none;
  border-radius: inherit;
}
.glass-hover {
  transition: all 0.5s var(--ease-out-quart);
}
.glass-hover:hover {
  background: var(--surface-glass-hi);
  border-color: var(--surface-line-hi);
  transform: translateY(-4px);
  box-shadow: 0 24px 64px rgba(0, 0, 0, 0.4), 0 0 40px rgba(0, 212, 255, 0.08);
}

/* ===== Badge / Pill ===== */
.pill {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 6px 14px;
  border-radius: 99px;
  background: rgba(0, 212, 255, 0.08);
  border: 1px solid rgba(0, 212, 255, 0.18);
  color: var(--plasma-300);
  font-family: var(--font-body);
  font-size: 13px;
  letter-spacing: 0.01em;
  font-weight: 500;
}
.pill-dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--plasma-500);
  box-shadow: 0 0 8px var(--plasma-500);
  /* static accent dot — continuous pulse removed for a calmer premium feel */
}

/* ===== Animations ===== */
.fade-up { opacity: 0; transform: translateY(40px); transition: all 1s var(--ease-out-quart); }
.fade-up.visible { opacity: 1; transform: translateY(0); }
.fade-up.d-1 { transition-delay: 0.08s; }
.fade-up.d-2 { transition-delay: 0.16s; }
.fade-up.d-3 { transition-delay: 0.24s; }
.fade-up.d-4 { transition-delay: 0.32s; }
.fade-up.d-5 { transition-delay: 0.4s; }

@keyframes glow-pulse {
  0%, 100% { box-shadow: 0 0 40px rgba(0, 212, 255, 0.2); }
  50% { box-shadow: 0 0 80px rgba(0, 212, 255, 0.4); }
}

/* ===== Footer ===== */
.nf-footer {
  border-top: 1px solid var(--surface-line);
  padding: 80px 0 32px;
  position: relative;
}
.nf-footer-grid {
  display: grid;
  grid-template-columns: 2fr repeat(4, 1fr);
  gap: 48px;
  margin-bottom: 64px;
}
.nf-footer h5 {
  font-size: 13px; font-family: var(--font-body);
  letter-spacing: 0.02em; font-weight: 600;
  color: var(--text-300);
  margin-bottom: 20px;
}
.nf-footer ul { list-style: none; display: flex; flex-direction: column; gap: 12px; }
.nf-footer a {
  color: var(--text-300); text-decoration: none; font-size: 14px;
  transition: color 0.2s;
}
.nf-footer a:hover { color: var(--plasma-300); }
.nf-footer-bottom {
  display: flex; justify-content: space-between;
  padding-top: 32px; border-top: 1px solid var(--surface-line);
  color: var(--text-400); font-size: 12px;
  font-family: var(--font-mono);
  letter-spacing: 0.05em;
}
@media (max-width: 920px) {
  .nf-footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
}

/* ===== Utility ===== */
.scroll-hint {
  position: absolute;
  bottom: 32px; left: 50%;
  transform: translateX(-50%);
  font-family: var(--font-body);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--text-400);
  display: flex; flex-direction: column;
  align-items: center; gap: 12px;
}
.scroll-hint::after {
  content: ''; width: 1px; height: 40px;
  background: linear-gradient(180deg, var(--plasma-500), transparent);
  /* static scroll affordance — continuous sweep removed for a calmer feel */
}

/* Reactive hover light */
.hover-light {
  position: relative;
  isolation: isolate;
}
.hover-light::after {
  content: ''; position: absolute; inset: 0;
  background: radial-gradient(circle 240px at var(--mx, 50%) var(--my, 50%), rgba(0, 212, 255, 0.12), transparent 60%);
  opacity: 0; transition: opacity 0.4s;
  pointer-events: none; border-radius: inherit;
  z-index: 0;
}
.hover-light:hover::after { opacity: 1; }
.hover-light > * { position: relative; z-index: 1; }

/* Loading screen */
.nf-loader {
  position: fixed; inset: 0;
  background: var(--obsidian-0);
  z-index: 10000;
  display: grid; place-items: center;
  transition: opacity 0.8s var(--ease-out-quart), visibility 0.8s;
}
.nf-loader.hidden { opacity: 0; visibility: hidden; }
.nf-loader-inner { text-align: center; }
.nf-loader-mark {
  width: 80px; height: 80px;
  border: 2px solid rgba(0, 212, 255, 0.15);
  border-top-color: var(--plasma-500);
  border-radius: 50%;
  margin: 0 auto 24px;
  animation: spin 1s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }
.nf-loader-text {
  font-family: var(--font-mono);
  font-size: 11px; letter-spacing: 0.4em;
  color: var(--plasma-500);
  text-transform: uppercase;
}

/* ===== Interactive / techy enhancements ===== */
/* Scroll progress bar */
.nf-scrollbar {
  position: fixed; top: 0; left: 0; height: 2px; width: 0%;
  background: linear-gradient(90deg, var(--plasma-500), var(--aurora-500, #8b5cf6));
  box-shadow: 0 0 10px rgba(0,212,255,0.7);
  z-index: 10000; pointer-events: none;
  transition: width 0.08s linear;
}

/* Cursor-following spotlight glow injected into cards */
.nf-ix { position: relative; transform-style: preserve-3d; will-change: transform; }
.nf-ix-glow {
  position: absolute; inset: 0; border-radius: inherit;
  pointer-events: none; z-index: 0;
  opacity: 0; transition: opacity 0.35s ease;
  background: radial-gradient(220px circle at var(--mx, 50%) var(--my, 50%),
              rgba(0,212,255,0.16), rgba(139,92,246,0.07) 40%, transparent 65%);
  mix-blend-mode: screen;
}
.nf-ix:hover .nf-ix-glow { opacity: 1; }
/* Crisp light edge that tracks the cursor on the card border */
.nf-ix-border {
  position: absolute; inset: 0; border-radius: inherit;
  pointer-events: none; z-index: 0; padding: 1px;
  opacity: 0; transition: opacity 0.35s ease;
  background: radial-gradient(160px circle at var(--mx, 50%) var(--my, 50%),
              rgba(120,230,255,0.55), transparent 60%);
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor; mask-composite: exclude;
}
.nf-ix:hover .nf-ix-border { opacity: 1; }
.nf-ix > * { position: relative; z-index: 1; }

/* Mouse-reactive 3D float wrapper for the PC renders */
.nf-tilt3d { transform-style: preserve-3d; will-change: transform; transition: transform 0.25s ease-out; }

@media (prefers-reduced-motion: reduce) {
  .nf-ix-glow, .nf-ix-border { display: none; }
  .nf-tilt3d { transform: none !important; }
}
@media (max-width: 920px), (pointer: coarse) {
  .nf-scrollbar { display: none; }
}

/* ===== Founding-customer announcement bar ===== */
.nf-fc-bar {
  position: fixed; top: 0; left: 0; right: 0; height: 32px;
  z-index: 200; display: flex; align-items: center; justify-content: center;
  gap: 16px; padding: 0 20px;
  background: linear-gradient(90deg, rgba(0,212,255,0.18), rgba(139,92,246,0.18));
  border-bottom: 1px solid rgba(0,212,255,0.18);
  backdrop-filter: blur(14px) saturate(160%);
  font-family: var(--font-mono, 'JetBrains Mono', monospace);
  font-size: 11px; letter-spacing: 0.16em; text-transform: uppercase;
  color: #eaf6ff;
}
.nf-fc-bar .pulse {
  display: inline-block; width: 6px; height: 6px; border-radius: 50%;
  background: #00d4ff; box-shadow: 0 0 8px #00d4ff;
  /* static status dot — continuous pulse removed for a calmer premium feel */
}
.nf-fc-bar a { color: var(--plasma-500, #00d4ff); text-decoration: none; font-weight: 700;
  padding: 4px 10px; border: 1px solid rgba(0,212,255,0.45); border-radius: 999px;
  transition: all 0.2s ease; margin-left: 4px; }
.nf-fc-bar a:hover { background: rgba(0,212,255,0.15); border-color: var(--plasma-500); }
.nf-fc-bar .sep { opacity: 0.45; }
.nf-fc-bar .hide-sm { display: inline; }
@media (max-width: 720px) {
  .nf-fc-bar { font-size: 10px; letter-spacing: 0.08em; padding: 0 12px; gap: 8px; }
  .nf-fc-bar .hide-sm { display: none; }
}
/* Push nav and hero down to make room for the bar */
.nf-nav { top: 32px; }

/* ===== Spinning fan blades (used by renderPC) ===== */
@keyframes nfFanSpin { from { transform: rotate(0deg); } to { transform: rotate(360deg); } }
/* transform-box: fill-box anchors rotation to the element's own bounding box
   instead of the SVG viewport origin — without this, fans orbit around (0,0)
   in Safari and Firefox instead of spinning in place. */
.gpu-fan-blade,
.top-fan-blade,
.bottom-fan-blade {
  transform-box: fill-box;
  transform-origin: center;
  will-change: transform;
}
.gpu-fan-blade    { animation: nfFanSpin 2.4s linear infinite; }
.top-fan-blade    { animation: nfFanSpin 1.8s linear infinite; }
.bottom-fan-blade { animation: nfFanSpin 3.0s linear infinite; }
@media (prefers-reduced-motion: reduce) {
  .gpu-fan-blade, .top-fan-blade, .bottom-fan-blade { animation: none !important; }
}

/* =====================================================================
   Animation polish layer (cheap, GPU-only, premium feel)
   - replaces lazy "transition: all" with specific property lists so the
     browser only composites transform + opacity (no layout / paint work)
   - snappier fade-up, satisfying button press, smoother card hovers
   ===================================================================== */
.fade-up {
  opacity: 0;
  transform: translate3d(0, 32px, 0);
  transition: opacity 0.65s var(--ease-out-expo), transform 0.65s var(--ease-out-expo);
  will-change: opacity, transform;
}
.fade-up.visible {
  opacity: 1;
  transform: translate3d(0, 0, 0);
}
.fade-up.d-1 { transition-delay: 0.06s; }
.fade-up.d-2 { transition-delay: 0.12s; }
.fade-up.d-3 { transition-delay: 0.18s; }
.fade-up.d-4 { transition-delay: 0.24s; }
.fade-up.d-5 { transition-delay: 0.30s; }

/* Buttons: tactile press */
.btn {
  transition: background 0.25s ease, border-color 0.25s ease, color 0.25s ease,
              transform 0.18s var(--ease-out-quart), box-shadow 0.25s var(--ease-out-quart);
}
/* Premium press feedback: the button physically depresses on click.
   transform-only, ~0.1s — snappy and GPU-cheap, never janky. */
.btn:active { transform: scale(0.97); transition-duration: 0.1s; }
.btn-primary:active {
  transform: translateY(0) scale(0.97);
  box-shadow: 0 6px 18px rgba(0,168,255,0.40), inset 0 1px 0 rgba(255,255,255,0.25);
}
@media (prefers-reduced-motion: reduce) {
  .btn:active, .btn-primary:active { transform: none; }
}
.btn:active { transform: translateY(1px) scale(0.985); }

/* Cards: smooth hover lift on transform only */
.nf-rig-card,
.nf-trust-card,
.nf-builder-card,
.nf-community-tile,
.nf-config-feat,
.nf-pricing-card,
.glass-hover {
  transition: transform 0.45s var(--ease-out-expo),
              border-color 0.25s ease,
              box-shadow 0.45s var(--ease-out-expo);
  will-change: transform;
}

/* Nav scroll state: cheap, transform-free, smooth */
.nf-nav { transition: padding 0.35s var(--ease-out-quart), background 0.35s ease, backdrop-filter 0.35s ease, border-color 0.35s ease; }

/* Smooth iOS-style scroll for the page (already enabled), plus snap-aligned
   internal anchors get a tiny scroll-margin so they're not flush with the nav. */
html { scroll-padding-top: 110px; }
section[id], a[id], div[id] { scroll-margin-top: 100px; }

/* Make every CSS keyframe animation respect reduced-motion */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* ============================================================
   PERFORMANCE PASS — VoidForge Systems (site-wide)
   The M-series compositor was thrashing on animated big-radius
   blur + backdrop-filter recompute on scroll. These overrides
   remove the expensive effects while preserving the look.
   ============================================================ */
:root{
  /* opaque-enough glass so panels read clearly without backdrop blur */
  --surface-glass: rgba(16, 20, 32, 0.86);
  --surface-glass-hi: rgba(26, 32, 48, 0.92);
}
/* Kill backdrop-filter everywhere — biggest scroll/interaction cost */
*, *::before, *::after{
  backdrop-filter: none !important;
  -webkit-backdrop-filter: none !important;
}
/* Nav becomes a solid bar instead of live-blurred glass */
.nf-nav.scrolled{ background: rgba(5,6,10,0.94) !important; }
.nf-nav{ transition: padding .35s var(--ease-out-quart), background .35s ease, border-color .35s ease !important; }
/* Freeze the giant blurred nebula blobs: the radial-gradient falloff
   keeps them soft, so dropping the 60px blur + drift kills the constant
   re-compositing that was stalling the whole page. */
.nf-neb{ animation: none !important; filter: none !important; will-change: auto !important; }
.starfield::before, .starfield::after{ animation: none !important; }

/* ============================================================
   Rig visual — photo-ready premium plate
   Replaces the old cartoon SVG renders site-wide. Shows a real
   product photo (.rig-photo) when one is supplied via rigs.js,
   otherwise a clean branded plate built from the rig's accent.
   ============================================================ */
.rig-photo{width:100%;height:100%;max-width:480px;object-fit:contain;display:block;
  filter:drop-shadow(0 30px 60px rgba(0,0,0,.55))}
.rig-plate{position:relative;width:100%;height:100%;min-height:260px;border-radius:var(--radius-lg);overflow:hidden;
  display:flex;flex-direction:column;justify-content:center;gap:14px;padding:36px 34px;
  background:
    radial-gradient(120% 90% at 50% -10%, color-mix(in srgb, var(--ac,#00d4ff) 18%, transparent), transparent 62%),
    linear-gradient(158deg, rgba(22,26,40,.85), rgba(7,9,15,.94));
  border:1px solid color-mix(in srgb, var(--ac,#00d4ff) 24%, var(--surface-line));
  box-shadow:inset 0 1px 0 rgba(255,255,255,.05)}
.rig-plate-glow{position:absolute;inset:0;pointer-events:none;
  background:radial-gradient(58% 50% at 50% 40%, color-mix(in srgb, var(--ac,#00d4ff) 24%, transparent), transparent 72%);
  opacity:.75}
.rig-plate-body{position:relative;display:flex;flex-direction:column;gap:13px;align-items:flex-start}
.rig-plate-ey{font-family:var(--font-mono);font-size:11px;letter-spacing:.22em;text-transform:uppercase;color:var(--ac,#00d4ff)}
.rig-plate-wm{font-family:var(--font-display);font-weight:700;line-height:.9;letter-spacing:-.02em;
  font-size:clamp(40px,6.4vw,76px);color:transparent;
  -webkit-text-stroke:1.4px color-mix(in srgb, var(--ac,#00d4ff) 60%, #ffffff 18%);
  text-shadow:0 0 44px color-mix(in srgb, var(--ac,#00d4ff) 32%, transparent)}
.rig-plate-chips{display:flex;flex-wrap:wrap;gap:8px;margin-top:4px}
.rig-plate-chips span{font-family:var(--font-mono);font-size:12px;color:var(--text-200);
  padding:7px 13px;border-radius:99px;background:rgba(8,10,16,.5);border:1px solid var(--surface-line)}

/* ============================================================
   COOL LAYER — tasteful motion, GPU-cheap, accessible
   All re-enabled motion is transform/opacity only and gated
   behind prefers-reduced-motion: no-preference.
   ============================================================ */
@media (prefers-reduced-motion: no-preference) {

  /* Bring back the slow ambient nebula drift (transform only — the
     expensive blur stays off, so it's smooth on M-series). */
  .nf-neb-a { animation: nebDriftA 46s ease-in-out infinite !important; }
  .nf-neb-b { animation: nebDriftB 58s ease-in-out infinite !important; }
  .nf-neb-c { animation: nebDriftC 64s ease-in-out infinite !important; }

  /* Gentle starfield parallax drift (transform only). */
  .starfield::before { animation: drift 90s linear infinite !important; }
  .starfield::after  { animation: drift 140s linear infinite reverse !important; }

  /* Headline gradient renders as a clean static gradient (no continuous
     shimmer). Removed the old vfShimmer/vfHeroShimmer per-frame repaints. */

  /* Primary CTAs sit with a static glow; the light sheen sweeps only on hover
     (see .btn-primary::after below). No per-frame box-shadow animation. */
  .btn-primary::after {
    content: ''; position: absolute; top: 0; left: -120%;
    width: 60%; height: 100%;
    background: linear-gradient(105deg, transparent, rgba(255,255,255,0.35), transparent);
    transform: skewX(-18deg); pointer-events: none;
    transition: left 0.6s var(--ease-out-expo);
  }
  .btn-primary:hover::after { left: 140%; }

  /* Fade-up reveal gets a touch of scale so sections "arrive" rather
     than just slide — still compositor-only. */
  .fade-up { transform: translate3d(0, 34px, 0) scale(0.985); }
  .fade-up.visible { transform: translate3d(0, 0, 0) scale(1); }

  /* Cards lift a hair more and warm their edge on hover. */
  .nf-rig-card:hover,
  .nf-pricing-card:hover,
  .glass-hover:hover { border-color: var(--surface-line-hi); }
}

/* ============================================================
   DEVICE COVERAGE + EXTRA POLISH  (phones · laptops · 4K TVs)
   Appended last so it wins the cascade. Everything motion-y is
   transform/opacity only and gated behind reduced-motion.
   ============================================================ */

/* ---- 1. Cursor fix --------------------------------------------------
   The custom cursor is only built on fine pointers with motion allowed.
   So only hide the real cursor in that exact case — otherwise touch /
   reduced-motion users were left with an invisible pointer. */
body { cursor: auto; }
.btn { cursor: pointer; }
@media (pointer: fine) and (prefers-reduced-motion: no-preference) {
  body, .btn { cursor: none; }
}
@media (hover: none), (pointer: coarse) {
  body { cursor: auto; }
  .nf-cursor, .nf-cursor-ring { display: none !important; }
}

/* ---- 2. Universal overflow / media safety -------------------------- */
img, svg, video, canvas { max-width: 100%; height: auto; }
html, body { max-width: 100%; }
*, *::before, *::after { min-width: 0; }
/* honour iPhone notches / rounded TV bezels */
body { padding-left: env(safe-area-inset-left); padding-right: env(safe-area-inset-right); }

/* ---- 3. Phones: tighten gutters + guarantee tappable targets ------- */
@media (max-width: 480px) {
  :root { --container: calc(100vw - 32px); }
  .btn, .nf-nav-cta a, a.btn { min-height: 44px; }      /* iOS tap target */
  h1, h2, .gradient-text, .aurora-text { overflow-wrap: anywhere; }
}
@media (max-width: 360px) {
  :root { --container: calc(100vw - 24px); }
}

/* ---- 4. Big screens & TVs: scale up so it isn't a tiny island ------ */
@media (min-width: 1800px) {
  :root { --container: min(1560px, calc(100vw - 80px)); }
  html { font-size: 17.5px; }
}
@media (min-width: 2400px) {                              /* 4K TVs */
  :root { --container: min(1840px, calc(100vw - 120px)); }
  html { font-size: 20px; }
}
@media (min-width: 3400px) {                              /* 5K / 8K */
  :root { --container: min(2200px, calc(100vw - 160px)); }
  html { font-size: 23px; }
}

/* ---- 5. EXTRA COOL (GPU-cheap, accessible) ------------------------- */
@media (prefers-reduced-motion: no-preference) {

  /* Hero headline is a clean static gradient now — motion lives in
     interactions (hover/press/entrance), not a constant background shimmer. */

  /* Nav links get a neon underline that sweeps in on hover. */
  .nf-nav-link { position: relative; }
  .nf-nav-link::after {
    content: ''; position: absolute; left: 0; right: 0; bottom: -4px;
    height: 2px; border-radius: 2px;
    background: linear-gradient(90deg, var(--plasma-500), var(--aurora-violet));
    transform: scaleX(0); transform-origin: left;
    transition: transform .3s var(--ease-out-expo);
  }
  .nf-nav-link:hover::after { transform: scaleX(1); }

  /* Cards get a soft colored halo when you hover — real depth. */
  .nf-rig-card:hover,
  .nf-pricing-card:hover,
  .nf-builder-card:hover,
  .nf-config-feat:hover,
  .glass-hover:hover {
    box-shadow: var(--shadow-deep),
                0 0 0 1px rgba(0,212,255,0.22),
                0 24px 70px rgba(0,168,255,0.18);
  }

  /* Section eyebrows / badges keep a subtle STATIC glow instead of a pulsing
     one. The small pills/tags are left clean — less visual noise, zero
     per-frame text-shadow repaints across many elements. */
  .eyebrow, .nf-badge { text-shadow: 0 0 12px rgba(0,212,255,0.18); }
}

/* ---- 6. Landscape phones: don't let a tall hero trap the user ------ */
@media (max-height: 460px) and (orientation: landscape) {
  .section { padding: 56px 0; }
}

/* ============================================================
   COOL LAYER v2 — deeper motion polish (GPU-cheap, gated)
   transform/opacity/filter only · reduced-motion safe
   ============================================================ */
@media (prefers-reduced-motion: no-preference) {

  /* Smoother lift on every hoverable surface. */
  .nf-rig-card, .nf-pricing-card, .nf-builder-card,
  .nf-trust-card, .glass-hover, .hover-light, .pd-box-item {
    transition: transform .4s var(--ease-out-expo),
                box-shadow .4s var(--ease-out-expo),
                border-color .4s var(--ease-out-expo);
    will-change: transform;
  }
  .nf-rig-card:hover, .nf-pricing-card:hover, .nf-builder-card:hover,
  .nf-trust-card:hover, .glass-hover:hover, .hover-light:hover,
  .pd-box-item:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-hover);
  }

  /* Primary buttons: light sweep across on hover.
     Uses ::after so the base ::before cursor-glow is preserved. */
  .btn-primary::after {
    content: ''; position: absolute; top: 0; left: -120%;
    width: 60%; height: 100%; pointer-events: none; z-index: 1;
    background: linear-gradient(100deg, transparent, rgba(255,255,255,.35), transparent);
    transform: skewX(-18deg);
    transition: left .6s var(--ease-out-expo);
  }
  .btn-primary:hover::after { left: 130%; }

  /* Loader mark spins (see .nf-loader-mark spin rule) — the extra breathing
     filter-pulse was removed: drop-shadow repaints every frame and the loader
     is only on screen briefly. The spinner alone reads as "loading". */

  /* Hero status badge sits still now — the continuous float was removed to cut
     foreground motion / GPU work. Its existing styling is left untouched. */

  /* Aurora headline is static now (no continuous hue drift). */

  /* Spec/stat numbers carry a fixed soft glow instead of a per-frame
     breathing one — same premium look, no repaint cost. */
  .nf-stat-num, .stat-num, .nf-metric-value { text-shadow: 0 0 18px rgba(0,168,255,0.22); }
}