/* ─── RESET & BASE ─────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: 'Segoe UI', system-ui, -apple-system, Arial, sans-serif;
  background: #050510;
  color: #eee8ff;
  overflow-x: hidden;
  line-height: 1.6;
}
a { text-decoration: none; color: inherit; }
code, pre { font-family: 'Cascadia Code','Fira Code','Courier New',monospace; }

/* ─── ANIMATED BG ──────────────────────────────────────────────────── */
.bg-gradient {
  position: fixed; inset: 0; z-index: 0; pointer-events: none;
  background:
    radial-gradient(ellipse at 15% 25%, rgba(122,63,255,0.16) 0%, transparent 55%),
    radial-gradient(ellipse at 85% 75%, rgba(160,100,255,0.12) 0%, transparent 55%),
    radial-gradient(ellipse at 50% 50%, rgba(80,40,180,0.07) 0%, transparent 65%);
  animation: bgPulse 18s ease-in-out infinite alternate;
}
@keyframes bgPulse {
  0%   { opacity:0.5; transform:scale(1); }
  50%  { opacity:0.85; transform:scale(1.04); }
  100% { opacity:0.6; transform:scale(1); }
}
.bg-grid {
  position: fixed; inset: 0; z-index: 0; pointer-events: none;
  background-image:
    linear-gradient(rgba(160,140,255,0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(160,140,255,0.025) 1px, transparent 1px);
  background-size: 60px 60px;
}

/* ─── NAV ──────────────────────────────────────────────────────────── */
nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  display: flex; align-items: center; justify-content: flex-end;
  padding: 0 40px; height: 64px;
  background: rgba(5,5,16,0.88);
  backdrop-filter: blur(20px) saturate(180%);
  border-bottom: 1px solid rgba(160,140,255,0.13);
  box-shadow: 0 4px 30px rgba(0,0,0,0.4);
}
.nav-logo { outline: none; -webkit-tap-highlight-color: transparent;
  display: flex; align-items: center; gap: 12px;
  font-size: 1.1rem; font-weight: 700; color: #ede4ff;
  letter-spacing: 0.5px; flex-shrink: 0;
}
.nav-logo .logo-icon {
  width: 34px; height: 34px;
  background: linear-gradient(135deg,#9a60ff,#bc9cff);
  border-radius: 9px;
  display: flex; align-items: center; justify-content: flex-end;
  font-size: 1.1rem;
  box-shadow: 0 0 18px rgba(122,63,255,0.5);
}
.nav-links {
  display: flex; gap: 4px; align-items: center;
  list-style: none; flex-wrap: wrap;
}
.nav-links a {
  padding: 6px 14px; border-radius: 18px;
  font-size: 0.875rem; color: #dcd8f0;
  transition: all 0.25s cubic-bezier(0.4,0,0.2,1);
  border: 1px solid transparent;
  white-space: nowrap; position: relative;
}
.nav-links a::after {
  content: ''; position: absolute; bottom: -2px; left: 50%; right: 50%;
  height: 2px; border-radius: 2px;
  background: linear-gradient(90deg, #9a60ff, #d8c0ff);
  transition: left 0.25s ease, right 0.25s ease;
}
.nav-links a:hover { background: rgba(160,140,255,0.1); border-color: rgba(160,140,255,0.22); color: #ede4ff; }
.nav-links a:hover::after { left: 18%; right: 18%; }
.nav-links a.active {
  background: rgba(var(--nav-r,122),var(--nav-g,63),var(--nav-b,255),0.14);
  border-color: rgba(var(--nav-r,122),var(--nav-g,63),var(--nav-b,255),0.38);
  color: rgb(var(--nav-r,210),var(--nav-g,180),var(--nav-b,255));
  box-shadow: 0 0 16px rgba(var(--nav-r,122),var(--nav-g,63),var(--nav-b,255),0.25),
              inset 0 0 10px rgba(var(--nav-r,122),var(--nav-g,63),var(--nav-b,255),0.07);
  filter: brightness(1.15);
}
.nav-links a.active::after {
  left: 14%; right: 14%; opacity: 0.9;
  background: linear-gradient(90deg,
    transparent,
    rgba(var(--nav-r,122),var(--nav-g,63),var(--nav-b,255),0.85),
    transparent);
}
.nav-cta {
  padding: 7px 20px !important;
  background: linear-gradient(135deg,rgba(122,63,255,0.45),rgba(160,100,255,0.35)) !important;
  border: 1px solid rgba(160,140,255,0.42) !important;
  color: #fff !important; font-weight: 600 !important;
  box-shadow: 0 0 16px rgba(122,63,255,0.35), 0 0 32px rgba(122,63,255,0.1);
  animation: ctaPulse 3s ease-in-out infinite;
}
.nav-cta::after { display: none !important; }
@keyframes ctaPulse {
  0%,100% { box-shadow: 0 0 16px rgba(122,63,255,0.35), 0 0 32px rgba(122,63,255,0.1); }
  50%      { box-shadow: 0 0 28px rgba(122,63,255,0.6), 0 0 50px rgba(160,100,255,0.2); }
}
.nav-cta:hover { box-shadow: 0 0 36px rgba(122,63,255,0.75), 0 0 70px rgba(160,100,255,0.3) !important; transform: translateY(-2px) scale(1.03) !important; animation: none !important; }
.hamburger { display: none; flex-direction: column; gap: 5px; cursor: pointer; padding: 4px; background: none; border: none; }
.hamburger span { width: 24px; height: 2px; background: #d4ccf8; border-radius: 2px; transition: all 0.3s; display: block; }

/* ─── PAGE WRAPPER ─────────────────────────────────────────────────── */
.page { position: relative; z-index: 1; padding-top: 64px; padding-bottom: 52px; animation: none; }

/* ─── PAGE HERO (inner pages) ──────────────────────────────────────── */
.page-hero {
  text-align: center;
  padding: 52px 24px 36px;
  max-width: 860px; margin: 0 auto;
}
.page-tag {
  display: inline-block;
  background: rgba(122,63,255,0.12); border: 1px solid rgba(122,63,255,0.3);
  border-radius: 20px; padding: 4px 16px;
  font-size: 0.78rem; color: #bc9cff; letter-spacing: 2px; text-transform: uppercase;
  margin-bottom: 18px;
}
.page-title {
  font-size: clamp(2rem, 5vw, 3.4rem);
  font-weight: 800; line-height: 1.15; margin-bottom: 18px;
  background: linear-gradient(135deg, #ede4ff 0%, #d8c0ff 30%, #bc9cff 70%, #9a60ff 100%);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
  filter: drop-shadow(0 0 20px rgba(162,124,255,0.4));
}
.page-desc {
  font-size: clamp(1rem,2vw,1.15rem); color: #ccc8e8; line-height: 1.75; max-width: 660px; margin: 0 auto;
}

/* ─── SECTION WRAPPER ──────────────────────────────────────────────── */
.section {
  max-width: 1200px; margin: 0 auto; padding: 48px 24px;
}
.section + .section { padding-top: 0; }
.section-header { text-align: center; margin-bottom: 36px; }
.section-tag {
  display: inline-block;
  background: rgba(122,63,255,0.1); border: 1px solid rgba(122,63,255,0.28);
  border-radius: 20px; padding: 3px 14px;
  font-size: 0.75rem; color: #bc9cff; letter-spacing: 2px; text-transform: uppercase;
  margin-bottom: 14px;
}
.section-title {
  font-size: clamp(1.6rem,3vw,2.3rem); font-weight: 700;
  background: linear-gradient(135deg,#ede4ff 0%,#bc9cff 100%);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
  margin-bottom: 12px;
}
.section-desc { color: #dcdaf0; font-size: 1rem; line-height: 1.7; max-width: 680px; margin: 0 auto; }

/* ─── DIVIDER ───────────────────────────────────────────────────────── */
.divider { border: none; border-top: 1px solid rgba(160,140,255,0.07); margin: 0 24px; }

/* ─── CARDS ─────────────────────────────────────────────────────────── */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 22px;
}
.card-grid-3 { grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); }
.card-grid-2 { grid-template-columns: repeat(auto-fit, minmax(340px, 1fr)); }

.card {
  --cr: 122; --cg: 63; --cb: 255;
  background: rgba(10,8,24,0.78);
  border: 1px solid rgba(var(--cr),var(--cg),var(--cb),0.14);
  border-top: 2px solid rgba(var(--cr),var(--cg),var(--cb),0.4);
  border-radius: 18px; padding: 26px;
  transition: transform 0.3s cubic-bezier(0.4,0,0.2,1), box-shadow 0.3s ease, border-color 0.3s ease, background 0.3s ease;
  position: relative; overflow: hidden;
  backdrop-filter: blur(10px);
}
.card::before {
  content:''; position:absolute; inset:0;
  background: radial-gradient(ellipse at 50% -10%, rgba(var(--cr),var(--cg),var(--cb),0.1), transparent 65%);
  opacity:0; transition:opacity 0.3s; pointer-events:none;
}
.card:hover {
  transform: translateY(-6px);
  border-color: rgba(var(--cr),var(--cg),var(--cb),0.55);
  border-top-color: rgba(var(--cr),var(--cg),var(--cb),0.85);
  background: rgba(var(--cr),var(--cg),var(--cb),0.06);
  box-shadow: 0 18px 55px rgba(var(--cr),var(--cg),var(--cb),0.25), 0 0 0 1px rgba(var(--cr),var(--cg),var(--cb),0.1);
}
.card:hover::before { opacity:1; }
.card.glow-active::after {
  content: ''; position: absolute; inset: 0; border-radius: 18px;
  background: radial-gradient(180px circle at var(--mx,50%) var(--my,50%), rgba(var(--cr),var(--cg),var(--cb),0.16), transparent 70%);
  pointer-events: none;
}
.card-icon {
  transition: transform 0.3s, box-shadow 0.3s, filter 0.3s;
  filter: drop-shadow(0 0 6px rgba(var(--cr),var(--cg),var(--cb),0.4));
}
.card:hover .card-icon {
  transform: scale(1.1);
  filter: drop-shadow(0 0 16px rgba(var(--cr),var(--cg),var(--cb),0.8));
}
.card h3 { color: rgb(var(--cr),var(--cg),var(--cb)); filter: brightness(1.5); transition: filter 0.3s; }
.card:hover h3 { filter: brightness(1.9); }
.card-icon {
  width: 50px; height: 50px; border-radius: 13px;
  background: rgba(var(--cr),var(--cg),var(--cb),0.12);
  border: 1px solid rgba(var(--cr),var(--cg),var(--cb),0.25);
  display: flex; align-items: center; justify-content: flex-end;
  font-size: 1.5rem; margin-bottom: 16px;
}
.card p { font-size: 0.875rem; color: #ccc8e8; line-height: 1.65; }
.card-tags { display:flex; flex-wrap:wrap; gap:6px; margin-top:14px; }
.tag {
  font-size: 0.7rem; padding: 3px 9px; border-radius: 9px;
  background: rgba(122,63,255,0.09); border: 1px solid rgba(122,63,255,0.22);
  color: #b89ef0; letter-spacing: 0.4px;
}

/* ─── BUTTONS ───────────────────────────────────────────────────────── */
.btn-primary {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 13px 34px; border-radius: 28px;
  background: linear-gradient(135deg,rgba(122,63,255,0.48),rgba(160,100,255,0.38));
  border: 2px solid rgba(160,140,255,0.48);
  color: #fff; font-size: 0.975rem; font-weight: 700;
  cursor: pointer; transition: all 0.35s; text-decoration: none;
  box-shadow: 0 0 22px rgba(122,63,255,0.38);
}
.btn-primary:hover { transform:translateY(-3px) scale(1.02); box-shadow:0 0 45px rgba(122,63,255,0.7), 0 0 90px rgba(160,100,255,0.3), 0 4px 20px rgba(0,0,0,0.4); }
.btn-secondary {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 13px 34px; border-radius: 28px;
  background: rgba(160,140,255,0.07); border: 1px solid rgba(160,140,255,0.28);
  color: #d4ccf8; font-size: 0.975rem; font-weight: 600;
  cursor: pointer; transition: all 0.35s; text-decoration: none;
}
.btn-secondary:hover { background:rgba(160,140,255,0.14); border-color:rgba(160,140,255,0.48); transform:translateY(-2px); }

/* ─── CODE BLOCKS ───────────────────────────────────────────────────── */
.code-block {
  background: rgba(0,0,0,0.55);
  border: 1px solid rgba(160,140,255,0.16);
  border-radius: 12px; overflow: hidden;
}
.code-block-header {
  display: flex; align-items: center; justify-content: flex-end;
  padding: 9px 16px;
  background: rgba(160,140,255,0.04);
  border-bottom: 1px solid rgba(160,140,255,0.09);
}
.code-block-title { font-size: 0.72rem; color: #9a7ad8; letter-spacing: 1px; font-family: monospace; }
.copy-btn {
  font-size: 0.7rem; color: #7a6fa8; padding: 2px 9px; border-radius: 5px;
  background: rgba(160,140,255,0.07); border: 1px solid rgba(160,140,255,0.18);
  cursor: pointer; transition: all 0.2s; font-family: inherit;
}
.copy-btn:hover { color: #d8c0ff; background: rgba(160,140,255,0.14); }
.code-block pre {
  padding: 18px 20px; margin: 0;
  font-size: 0.84rem; color: #e8e0ff; line-height: 1.75;
  overflow-x: auto; white-space: pre-wrap; word-break: break-all;
}
.code-block pre .cmd { color: #bc9cff; }
.code-block pre .comment { color: #7a6e98; }
.code-block pre .flag { color: #7adcff; }
.code-block pre .str { color: #80cc80; }

/* ─── CALLOUT BOXES ─────────────────────────────────────────────────── */
.info-box    { background:rgba(33,150,243,0.07); border-left:3px solid #2196f3; border-radius:0 10px 10px 0; padding:13px 17px; margin:12px 0; color:#a8ccf8; font-size:0.87rem; line-height:1.65; }
.warning-box { background:rgba(255,152,0,0.07);  border-left:3px solid #ff9800; border-radius:0 10px 10px 0; padding:13px 17px; margin:12px 0; color:#ffb74d; font-size:0.87rem; line-height:1.65; }
.success-box { background:rgba(76,175,80,0.07);  border-left:3px solid #4caf50; border-radius:0 10px 10px 0; padding:13px 17px; margin:12px 0; color:#81c784; font-size:0.87rem; line-height:1.65; }

/* ─── TABS ──────────────────────────────────────────────────────────── */
.tab-bar { display:flex; flex-wrap:wrap; gap:8px; margin-bottom:22px; }
.tab-btn {
  padding: 8px 20px; border-radius: 18px;
  background: rgba(160,140,255,0.07); border: 1px solid rgba(160,140,255,0.18);
  color: #ccc8e8; font-size: 0.86rem; cursor: pointer; transition: all 0.3s; font-family: inherit;
}
.tab-btn.active, .tab-btn:hover { background:rgba(122,63,255,0.18); border-color:rgba(122,63,255,0.42); color:#dcc8ff; }
.tab-pane { display:none; }
.tab-pane.active { display:block; }

/* ─── INSTALL STEPS ─────────────────────────────────────────────────── */
.install-steps { display:flex; flex-direction:column; gap:22px; }
.install-step { display:flex; gap:18px; align-items:flex-start; }
.step-num {
  flex-shrink:0; width:34px; height:34px; border-radius:50%;
  background:linear-gradient(135deg,#9a60ff,#bc9cff);
  display:flex; align-items:center; justify-content:center;
  font-size:0.85rem; font-weight:700; color:#fff;
  box-shadow:0 0 14px rgba(122,63,255,0.5); margin-top:2px;
}
.step-body { flex:1; }
.step-body h3 { color:#dcc8ff; font-size:1rem; margin-bottom:7px; }
.step-body p  { color:#aca4cc; font-size:0.87rem; margin-bottom:10px; line-height:1.6; }
.step-body .code-block { margin-top:10px; }

/* ─── FOOTER ────────────────────────────────────────────────────────── */
footer {
  background: rgba(5,4,14,0.97);
  border-top: 1px solid rgba(160,140,255,0.18);
  padding: 10px 40px;
  position: fixed; bottom: 0; left: 0; right: 0; z-index: 100; text-align: center; backdrop-filter: blur(12px);
}
.footer-grid {
  max-width: 1100px; margin: 0 auto;
  display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; gap: 24px;
  margin-bottom: 24px;
}
.footer-logo { display:flex; align-items:center; gap:10px; font-size:1rem; font-weight:700; color:#9a80c8; }
.footer-logo .logo-icon { width:28px; height:28px; background:linear-gradient(135deg,#9a60ff,#bc9cff); border-radius:7px; display:flex; align-items:center; justify-content:center; font-size:0.9rem; }
.footer-nav { display:flex; gap:6px; flex-wrap:wrap; justify-content:center; }
.footer-nav a { font-size:0.82rem; color:#8a82a8; padding:4px 10px; border-radius:8px; transition:color 0.2s; }
.footer-nav a:hover { color:#bc9cff; }
.footer-right { text-align:right; font-size:0.8rem; color:#706890; }
.footer-bottom { color:#ccc8e4; border-top:1px solid rgba(160,140,255,0.15); padding-top:18px; font-size:0.83rem; }
.footer-bottom a { color:#bc9cff; transition:color 0.2s; }
.footer-bottom a:hover { color:#bc9cff; }

/* ─── ANIMATIONS ────────────────────────────────────────────────────── */
@keyframes fadeUp {
  from { opacity:0; transform:translateY(22px); }
  to   { opacity:1; transform:translateY(0); }
}
.fade-in { animation:fadeUp 0.55s ease-out both; }

/* ─── PAGE TRANSITION ───────────────────────────────────────────────── */
body { animation: none; }
@keyframes pageEnter {
  from { opacity: 0; }
  to   { opacity: 1; }
}

/* ─── SCROLL REVEAL ─────────────────────────────────────────────────── */
.reveal { opacity: 1; transform: none; transition: none; }
.reveal.revealed { opacity: 1; transform: none; }

/* ─── CURSOR GLOW on nav ────────────────────────────────────────────── */
.nav-links a { isolation: isolate; }

/* ─── MOBILE ────────────────────────────────────────────────────────── */
@media (max-width: 900px) {
  nav { padding: 0 18px; }
  .nav-links {
    display: none; flex-direction: column;
    position: fixed; top: 64px; left: 0; right: 0;
    background: rgba(5,5,16,0.97); padding: 18px;
    gap: 6px; border-bottom: 1px solid rgba(160,140,255,0.13);
    z-index: 99;
  }
  .nav-links.open { display: flex; }
  .nav-links a { display:block; text-align:center; padding:11px; font-size:0.95rem; }
  .hamburger { display:flex; }
  .footer-grid { grid-template-columns:1fr; text-align:center; }
  .footer-right { text-align:center; }
}
@media (max-width: 600px) {
  .page-hero { padding: 36px 18px 24px; }
  .section { padding: 50px 18px; }
  .card-grid, .card-grid-2, .card-grid-3 { grid-template-columns: 1fr; }
}

/* ─── MOBILE ADDITIONS ──────────────────────────────────────────────── */
@media (max-width: 768px) {
  /* Nav */
  .nav-links a { font-size: 1rem; padding: 13px 16px; }

  /* Hero */
  .page-hero h1 { font-size: clamp(1.8rem, 7vw, 2.8rem); }
  .page-hero p { font-size: 0.95rem; }

  /* Stats bar */
  .stats-bar { flex-wrap: wrap; gap: 8px; justify-content: center; padding: 14px 12px; }
  .stat { min-width: 100px; padding: 10px 14px; }

  /* Hero CTAs */
  .hero-cta { flex-direction: column; align-items: center; gap: 10px; }
  .hero-cta .btn-primary, .hero-cta .btn-secondary { width: 220px; text-align: center; justify-content: center; }

  /* Big cards (features) */
  .big-card { flex-direction: column !important; }
  .big-card .bc-visual { width: 100% !important; min-height: 140px; }

  /* Section titles */
  .section-title { font-size: clamp(1.4rem, 5vw, 2rem); }

  /* Support buttons */
  .support-btns { flex-direction: column; align-items: center; }
  .support-btn { width: 200px !important; }

  /* Obs strip */
  .obs-strip { grid-template-columns: repeat(2, 1fr) !important; }

  /* Grafana steps */
  .g-steps { grid-template-columns: 1fr !important; }

  /* Architecture layers */
  .arch-layers { gap: 6px; }
  .arch-block { padding: 14px 12px; }

  /* Install cards */
  .install-cards { grid-template-columns: 1fr !important; }
  .req-grid { grid-template-columns: repeat(2, 1fr) !important; }

  /* Security layers */
  .sec-layers { grid-template-columns: 1fr !important; }

  /* Values / principles */
  .values-row { grid-template-columns: repeat(2, 1fr) !important; }
  .principles-row { grid-template-columns: 1fr !important; }

  /* NyxCloud card */
  .nyxcloud-card { padding: 28px 18px; }

  /* Footer */
  footer { padding: 8px 16px; }
  .footer-grid { display: none; }
  .footer-bottom { border-top: none; padding-top: 0; font-size: 0.78rem; }
}

@media (max-width: 480px) {
  .obs-strip { grid-template-columns: 1fr !important; }
  .req-grid { grid-template-columns: 1fr !important; }
  .values-row { grid-template-columns: 1fr !important; }
  .stat { min-width: 80px; font-size: 0.85rem; }
  .page-hero { padding: 28px 14px 18px; }
  .section { padding: 36px 14px; }
}


/* ─── SCROLLBAR ─────────────────────────────────────────────────── */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: rgba(4,3,14,0.95); }
::-webkit-scrollbar-thumb {
  background: linear-gradient(to bottom, #9a60ff, #bc9cff);
  border-radius: 10px;
}
::-webkit-scrollbar-thumb:hover { background: linear-gradient(to bottom, #9a5fff, #c0a0ff); }
* { scrollbar-width: thin; scrollbar-color: #9a60ff rgba(4,3,14,0.95); }


.nav-logo:focus, .nav-logo:focus-visible { outline: none; box-shadow: none; }