/* AEGIS Landing — premium dark theme */
:root {
  --bg: #07090f;
  --bg-elevated: #0d111a;
  --surface: rgba(18, 22, 34, 0.72);
  --surface-solid: #12162a;
  --border: rgba(140, 150, 190, 0.12);
  --border-strong: rgba(140, 150, 190, 0.22);
  --text: #eef0f7;
  --muted: #9aa3b8;
  --accent: #7c6cff;
  --accent-2: #3b82f6;
  --accent-soft: rgba(124, 108, 255, 0.15);
  --success: #34d399;
  --glow: rgba(124, 108, 255, 0.35);
  --radius: 16px;
  --radius-sm: 10px;
  --nav-h: 64px;
  --font: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --mono: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

body {
  margin: 0;
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.55;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }
img, svg { display: block; max-width: 100%; }
code {
  font-family: var(--mono);
  font-size: 0.9em;
  background: var(--accent-soft);
  padding: 0.15em 0.4em;
  border-radius: 6px;
  color: #c4bfff;
}

.container {
  width: min(1120px, calc(100% - 2rem));
  margin-inline: auto;
}
.narrow { width: min(720px, calc(100% - 2rem)); }
.center { text-align: center; }

/* Background */
.bg-grid {
  position: fixed; inset: 0; pointer-events: none; z-index: -2;
  background-image:
    linear-gradient(rgba(124,108,255,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(124,108,255,0.04) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(ellipse at 50% 20%, black 20%, transparent 70%);
}
.bg-glow {
  position: fixed; top: -20%; left: 50%; transform: translateX(-50%);
  width: 80vw; height: 50vh; pointer-events: none; z-index: -1;
  background: radial-gradient(ellipse, var(--glow), transparent 70%);
  opacity: 0.45;
}

/* Nav */
.nav {
  position: sticky; top: 0; z-index: 100;
  height: var(--nav-h);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  background: rgba(7, 9, 15, 0.65);
  border-bottom: 1px solid var(--border);
}
.nav-inner {
  height: 100%;
  width: min(1120px, calc(100% - 2rem));
  margin: 0 auto;
  display: flex; align-items: center; gap: 1rem;
}
.brand {
  display: flex; align-items: center; gap: 0.55rem;
  font-weight: 700; letter-spacing: 0.04em;
}
.logo { color: var(--accent); }
.brand-text { font-size: 1.05rem; }
.nav-links {
  display: flex; gap: 1.25rem; margin-left: 1.5rem; flex: 1;
}
.nav-links a {
  color: var(--muted); font-size: 0.92rem; font-weight: 500;
  transition: color 0.2s;
}
.nav-links a:hover, .nav-links a:focus-visible { color: var(--text); }
.nav-actions { margin-left: auto; display: flex; align-items: center; gap: 0.75rem; }
.nav-toggle {
  display: none; background: none; border: 0; padding: 0.4rem; cursor: pointer;
  flex-direction: column; gap: 5px;
}
.nav-toggle span {
  display: block; width: 22px; height: 2px; background: var(--text); border-radius: 2px;
}

/* Buttons */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 0.75rem 1.25rem; border-radius: 999px; font-weight: 600;
  font-size: 0.95rem; border: 1px solid transparent; cursor: pointer;
  transition: transform 0.15s, box-shadow 0.2s, background 0.2s, border-color 0.2s;
}
.btn:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }
.btn-primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #fff;
  box-shadow: 0 8px 28px rgba(124, 108, 255, 0.35);
}
.btn-primary:hover { transform: translateY(-1px); box-shadow: 0 12px 32px rgba(124, 108, 255, 0.45); }
.btn-secondary {
  background: transparent; border-color: var(--border-strong); color: var(--text);
}
.btn-secondary:hover { border-color: var(--accent); background: var(--accent-soft); }
.btn-ghost {
  background: transparent; border-color: var(--border); color: var(--muted);
}
.btn-ghost:hover { color: var(--text); border-color: var(--border-strong); }
.btn-sm { padding: 0.45rem 0.9rem; font-size: 0.85rem; }

/* Hero */
.hero { padding: 4.5rem 0 3rem; position: relative; }
.hero-grid {
  display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 3rem; align-items: center;
}
.eyebrow {
  text-transform: uppercase; letter-spacing: 0.14em; font-size: 0.75rem;
  color: var(--accent); font-weight: 600; margin: 0 0 0.75rem;
}
.hero h1 {
  font-size: clamp(2.4rem, 5vw, 3.6rem); line-height: 1.08;
  margin: 0 0 1rem; font-weight: 750; letter-spacing: -0.02em;
}
.accent { color: var(--accent); }
.lede { color: var(--muted); font-size: 1.08rem; max-width: 36rem; margin: 0 0 1.75rem; }
.lede.tight { margin-bottom: 1.25rem; }
.hero-cta { display: flex; flex-wrap: wrap; gap: 0.75rem; }
.center-cta { justify-content: center; }

/* Console visual */
.hero-visual { position: relative; min-height: 320px; }
.console {
  position: relative; z-index: 2;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  backdrop-filter: blur(12px);
  box-shadow: 0 24px 60px rgba(0,0,0,0.45);
  overflow: hidden;
  animation: float 6s ease-in-out infinite;
}
@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}
.console-top {
  display: flex; align-items: center; gap: 6px;
  padding: 0.75rem 1rem; border-bottom: 1px solid var(--border);
  background: rgba(0,0,0,0.25);
}
.console-top .dot {
  width: 8px; height: 8px; border-radius: 50%; background: #3a3f55;
}
.console-top .dot:nth-child(1) { background: #ff5f57; }
.console-top .dot:nth-child(2) { background: #febc2e; }
.console-top .dot:nth-child(3) { background: #28c840; }
.console-title {
  margin-left: 0.75rem; font-size: 0.72rem; letter-spacing: 0.12em;
  color: var(--muted); font-weight: 600;
}
.console-body { padding: 1.25rem 1.25rem 1.1rem; }
.status-row {
  display: flex; align-items: center; gap: 0.5rem;
  font-weight: 650; font-size: 0.9rem; margin-bottom: 1rem;
}
.pulse {
  width: 8px; height: 8px; border-radius: 50%; background: var(--success);
  box-shadow: 0 0 0 0 rgba(52, 211, 153, 0.5);
  animation: pulse 2s infinite;
}
@keyframes pulse {
  0% { box-shadow: 0 0 0 0 rgba(52, 211, 153, 0.45); }
  70% { box-shadow: 0 0 0 10px rgba(52, 211, 153, 0); }
  100% { box-shadow: 0 0 0 0 rgba(52, 211, 153, 0); }
}
.console-list { list-style: none; margin: 0; padding: 0; }
.console-list li {
  display: flex; justify-content: space-between; align-items: center;
  padding: 0.55rem 0; border-bottom: 1px solid var(--border);
  font-size: 0.9rem; color: var(--muted);
}
.console-list li:last-child { border-bottom: 0; }
.tag {
  font-size: 0.68rem; font-weight: 700; letter-spacing: 0.06em;
  padding: 0.25rem 0.5rem; border-radius: 6px;
}
.tag.on { background: rgba(52, 211, 153, 0.12); color: var(--success); }
.tag.muted-tag { background: var(--accent-soft); color: #b7b0ff; }
.console-foot {
  margin-top: 1rem; padding-top: 0.85rem; border-top: 1px solid var(--border);
  display: flex; justify-content: space-between; align-items: center;
}
.muted { color: var(--muted); }
.orb {
  position: absolute; border-radius: 50%; filter: blur(40px); z-index: 1;
}
.orb-1 { width: 180px; height: 180px; background: var(--accent); opacity: 0.25; top: -20px; right: -30px; }
.orb-2 { width: 140px; height: 140px; background: var(--accent-2); opacity: 0.2; bottom: 10px; left: -20px; }

/* Stats */
.stats { padding: 1.5rem 0 2.5rem; }
.stats-grid {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 1rem;
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 1.5rem 1rem;
}
.stat { text-align: center; }
.stat strong {
  display: block; font-size: 1.75rem; font-weight: 750;
  background: linear-gradient(135deg, #fff, #a5b4fc);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.stat span { color: var(--muted); font-size: 0.85rem; }

/* Sections */
.section { padding: 4.5rem 0; }
.section-alt { background: linear-gradient(180deg, transparent, rgba(124,108,255,0.03), transparent); }
.section-head { text-align: center; margin-bottom: 2.5rem; }
.section-head h2 {
  margin: 0 0 0.5rem; font-size: clamp(1.75rem, 3vw, 2.25rem);
  letter-spacing: -0.02em;
}
.section-sub { color: var(--muted); margin: 0 auto; max-width: 32rem; }

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.35rem;
  backdrop-filter: blur(10px);
  transition: border-color 0.2s, transform 0.2s, box-shadow 0.2s;
}
.card:hover {
  border-color: var(--border-strong);
  transform: translateY(-2px);
  box-shadow: 0 16px 40px rgba(0,0,0,0.25);
}

.feature-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 1rem;
}
.feature .icon { font-size: 1.35rem; margin-bottom: 0.65rem; }
.feature h3 { margin: 0 0 0.4rem; font-size: 1.05rem; }
.feature p { margin: 0; color: var(--muted); font-size: 0.92rem; }

/* Security */
.security-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 2.5rem; align-items: center;
}
.checklist {
  list-style: none; padding: 0; margin: 1rem 0 0;
}
.checklist li {
  position: relative; padding: 0.45rem 0 0.45rem 1.5rem; color: var(--muted);
}
.checklist li::before {
  content: ""; position: absolute; left: 0; top: 0.85rem;
  width: 8px; height: 8px; border-radius: 50%; background: var(--accent);
}
.security-panel { padding: 1.5rem; }
.panel-head {
  display: flex; align-items: center; gap: 0.5rem;
  font-weight: 650; margin-bottom: 1rem;
}
.panel-rows > div {
  display: flex; justify-content: space-between; align-items: center;
  padding: 0.55rem 0; border-bottom: 1px solid var(--border);
  color: var(--muted); font-size: 0.92rem;
}
.panel-rows > div:last-child { border-bottom: 0; }

/* Steps */
.steps {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem;
}
.step-num {
  display: block; font-size: 0.8rem; font-weight: 700; letter-spacing: 0.12em;
  color: var(--accent); margin-bottom: 0.75rem;
}
.step h3 { margin: 0 0 0.4rem; }
.step p { margin: 0; color: var(--muted); font-size: 0.92rem; }

/* Commands */
.cmd-grid {
  display: flex; flex-wrap: wrap; gap: 0.6rem; justify-content: center;
  margin-bottom: 1.75rem;
}
.cmd-grid code {
  padding: 0.55rem 0.9rem; border-radius: 10px;
  border: 1px solid var(--border); background: var(--bg-elevated);
  font-size: 0.9rem;
}

/* Dashboard preview */
.dash-preview {
  display: grid; grid-template-columns: 180px 1fr; min-height: 280px;
  padding: 0; overflow: hidden;
}
.dash-sidebar {
  background: rgba(0,0,0,0.35); border-right: 1px solid var(--border);
  padding: 1.25rem 1rem; display: flex; flex-direction: column; gap: 0.35rem;
}
.brand-mini { font-weight: 700; letter-spacing: 0.06em; margin-bottom: 1rem; color: var(--accent); }
.nav-item {
  padding: 0.45rem 0.65rem; border-radius: 8px; color: var(--muted); font-size: 0.88rem;
}
.nav-item.active { background: var(--accent-soft); color: var(--text); }
.dash-main { padding: 1.25rem 1.5rem; }
.dash-title { font-weight: 650; margin-bottom: 0.5rem; }
.dash-status {
  display: inline-flex; align-items: center; gap: 0.4rem;
  font-size: 0.85rem; color: var(--success); margin-bottom: 1rem;
}
.dash-cards {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 0.6rem; margin-bottom: 1rem;
}
.mini {
  background: var(--bg-elevated); border: 1px solid var(--border);
  border-radius: var(--radius-sm); padding: 0.75rem;
}
.mini span { display: block; font-size: 0.72rem; color: var(--muted); margin-bottom: 0.25rem; }
.mini strong { font-size: 0.9rem; }
.dash-events { border-top: 1px solid var(--border); padding-top: 0.85rem; }
.evt-label { font-size: 0.75rem; color: var(--muted); margin-bottom: 0.4rem; }
.evt { font-size: 0.85rem; color: var(--muted); padding: 0.25rem 0; }

/* FAQ */
.faq-item {
  border: 1px solid var(--border); border-radius: var(--radius-sm);
  background: var(--surface); margin-bottom: 0.6rem; overflow: hidden;
}
.faq-q {
  width: 100%; text-align: left; background: none; border: 0;
  color: var(--text); font: inherit; font-weight: 600; padding: 1rem 1.15rem;
  cursor: pointer; display: flex; justify-content: space-between; align-items: center;
}
.faq-q::after {
  content: "+"; color: var(--muted); font-weight: 400; font-size: 1.2rem;
}
.faq-q[aria-expanded="true"]::after { content: "−"; }
.faq-q:focus-visible { outline: 2px solid var(--accent); outline-offset: -2px; }
.faq-a { padding: 0 1.15rem 1rem; color: var(--muted); font-size: 0.95rem; }
.faq-a p { margin: 0; }

/* CTA final */
.cta-final {
  padding: 4.5rem 0;
  background: radial-gradient(ellipse at 50% 100%, rgba(124,108,255,0.18), transparent 60%);
}
.cta-final h2 {
  margin: 0 0 0.75rem; font-size: clamp(1.75rem, 3vw, 2.35rem);
}

/* Footer */
.footer {
  border-top: 1px solid var(--border); padding-top: 3rem;
  background: var(--bg-elevated);
}
.footer-grid {
  display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 2rem;
  padding-bottom: 2.5rem;
}
.footer h4 { margin: 0 0 0.75rem; font-size: 0.85rem; letter-spacing: 0.04em; }
.footer a {
  display: block; color: var(--muted); font-size: 0.9rem; margin-bottom: 0.4rem;
}
.footer a:hover { color: var(--text); }
.footer-brand { margin-bottom: 0.5rem; }
.footer-bottom {
  border-top: 1px solid var(--border); padding: 1.15rem 0;
  color: var(--muted); font-size: 0.85rem;
}
.small { font-size: 0.8rem; }

/* Reveal */
.reveal {
  opacity: 0; transform: translateY(16px);
  transition: opacity 0.55s ease, transform 0.55s ease;
}
.reveal.visible { opacity: 1; transform: none; }

/* Responsive */
@media (max-width: 900px) {
  .hero-grid, .security-grid { grid-template-columns: 1fr; gap: 2rem; }
  .hero-visual { order: -1; max-width: 420px; margin: 0 auto; width: 100%; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .steps { grid-template-columns: 1fr; }
  .dash-preview { grid-template-columns: 1fr; }
  .dash-sidebar { flex-direction: row; flex-wrap: wrap; border-right: 0; border-bottom: 1px solid var(--border); }
  .dash-cards { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .nav-links {
    display: none; position: absolute; top: var(--nav-h); left: 0; right: 0;
    flex-direction: column; background: rgba(7,9,15,0.96);
    border-bottom: 1px solid var(--border); padding: 1rem 1.25rem; gap: 0.75rem;
  }
  .nav-links.open { display: flex; }
  .nav-toggle { display: flex; }
  .nav-actions .btn-ghost { display: none; }
}

@media (max-width: 480px) {
  .hero { padding: 3rem 0 2rem; }
  .stats-grid { gap: 0.75rem; padding: 1rem 0.5rem; }
  .stat strong { font-size: 1.4rem; }
  .footer-grid { grid-template-columns: 1fr; }
  .hero-cta .btn { width: 100%; }
}