@import url("https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&family=JetBrains+Mono:wght@400;500;600;700&family=Roboto+Mono:wght@400;500;700&display=swap");

:root {
  --void: #07090e;
  --surface: #111821;
  --surface-2: #0b1017;
  --line: #3a4656;
  --line-dim: #202b38;
  --text: #e9f1f7;
  --muted: #8a98a8;
  --dim: #536171;
  --cyan: #2ee6f6;
  --pink: #ff2e97;
  --purple: #9b6bff;
  --green: #6ee7a8;
  --orange: #ffb347;
  --red: #f1142d;
  color-scheme: dark;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  min-width: 320px;
  background:
    linear-gradient(rgba(7,9,14,.86), rgba(7,9,14,.86)),
    linear-gradient(90deg, transparent 49.8%, rgba(46,230,246,.035) 50%, transparent 50.2%),
    linear-gradient(0deg, transparent 49.8%, rgba(46,230,246,.035) 50%, transparent 50.2%),
    var(--void);
  background-size: auto, 80px 80px, 80px 80px, auto;
  color: var(--text);
  font-family: Inter, sans-serif;
  font-size: 15px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
body::before {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  content: "";
  opacity: .08;
  background: repeating-linear-gradient(0deg, transparent 0 3px, rgba(255,255,255,.14) 4px);
  mix-blend-mode: screen;
}
::selection { background: rgba(255,46,151,.3); color: #fff; }
img { max-width: 100%; }
a { color: inherit; }
.wrap { width: min(1160px, calc(100% - 44px)); margin-inline: auto; }
.mono, code, .kicker, .eyebrow, .navlinks, .panel-label, .metric-label, .status,
.btn, .install-note, .foot-brand, .foot-links, .foot-family {
  font-family: "JetBrains Mono", monospace;
}
h1, h2, h3 { margin: 0; line-height: 1.05; letter-spacing: -.04em; }
h1 { font-size: clamp(2.45rem, 5.6vw, 5.4rem); max-width: 9ch; }
h2 { font-size: clamp(1.8rem, 3.3vw, 3.2rem); max-width: 12ch; }
h3 { font-size: 1.08rem; letter-spacing: -.02em; }
p { margin: 0; }
code { padding: .1rem .35rem; color: var(--cyan); background: rgba(46,230,246,.08); }

.companion-banner {
  border-bottom: 1px solid var(--line-dim);
  padding: .55rem 1rem;
  color: var(--muted);
  background: rgba(17,24,33,.82);
  font: 11px "JetBrains Mono", monospace;
  letter-spacing: .04em;
  text-align: center;
}
.companion-banner a { color: var(--cyan); text-decoration: none; }

nav {
  position: sticky;
  top: 0;
  z-index: 40;
  border-bottom: 1px solid rgba(58,70,86,.8);
  background: rgba(7,9,14,.82);
  backdrop-filter: blur(16px);
}
nav .wrap { display: flex; align-items: center; justify-content: space-between; min-height: 58px; }
.brand { display: flex; align-items: center; gap: .7rem; color: var(--text); text-decoration: none; }
.brand img { width: 30px; height: 30px; }
.brand span { font: 700 .9rem "JetBrains Mono", monospace; letter-spacing: .14em; }
.navlinks { display: flex; align-items: center; gap: .85rem; font-size: .62rem; letter-spacing: .08em; text-transform: uppercase; }
.navlinks a { color: var(--muted); text-decoration: none; }
.navlinks a:hover { color: var(--cyan); }
.theme-picker { position: relative; display: flex; align-items: center; gap: .45rem; }
.theme-label { color: var(--dim); font: .55rem/1 "JetBrains Mono", monospace; letter-spacing: .14em; }
.theme-button {
  min-width: 8.5rem;
  padding: .46rem .65rem;
  border: 1px solid var(--line);
  background: rgba(17,24,33,.8);
  color: var(--text);
  cursor: pointer;
  font: 600 .58rem/1 "JetBrains Mono", monospace;
  letter-spacing: .08em;
  text-align: left;
  text-transform: uppercase;
}
.theme-button::after { color: var(--cyan); content: " ▾"; }
.theme-button:hover { border-color: var(--cyan); box-shadow: 0 0 18px rgba(46,230,246,.16); }
.theme-menu {
  position: absolute;
  top: calc(100% + .45rem);
  right: 0;
  z-index: 50;
  width: min(19rem, 80vw);
  max-height: min(70vh, 28rem);
  overflow: auto;
  padding: .35rem;
  border: 1px solid var(--line);
  background: rgba(11,16,23,.98);
  box-shadow: 0 1.5rem 4rem rgba(0,0,0,.65), 0 0 22px rgba(46,230,246,.12);
}
.theme-group-label { padding: .6rem .55rem .35rem; border-bottom: 1px solid var(--line-dim); color: var(--purple); font: 700 .55rem/1 "JetBrains Mono", monospace; letter-spacing: .14em; }
.theme-option { display: block; width: 100%; padding: .42rem .55rem; border: 0; background: none; color: var(--text); cursor: pointer; font: .64rem/1.3 "JetBrains Mono", monospace; letter-spacing: .04em; text-align: left; }
.theme-option:hover, .theme-option:focus-visible { outline: none; background: rgba(46,230,246,.12); color: var(--cyan); }
.theme-option[aria-selected="true"] { background: var(--cyan); color: var(--void); }

.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  display: flex;
  align-items: center;
  gap: 1.5rem;
  min-height: 66px;
  padding: .7rem clamp(1rem, 4vw, 3rem);
  border-bottom: 1px solid rgba(58,70,86,.8);
  background: rgba(7,9,14,.82);
  backdrop-filter: blur(16px) saturate(1.25);
}
.site-header .brand { flex-shrink: 0; gap: .7rem; }
.brand:hover { color: var(--text); }
.brand-emblem {
  display: grid;
  place-items: center;
  width: 2.2rem;
  height: 2.2rem;
  clip-path: polygon(25% 0, 75% 0, 100% 50%, 75% 100%, 25% 100%, 0 50%);
  background: linear-gradient(135deg, var(--cyan), var(--purple));
  color: var(--void);
  font: 700 .68rem/1 "JetBrains Mono", monospace;
  transition: background .8s;
}
.brand[data-brand-phase="1"] .brand-emblem { background: linear-gradient(135deg, var(--pink), var(--orange)); }
.brand[data-brand-phase="2"] .brand-emblem { background: linear-gradient(135deg, var(--green), var(--cyan)); }
.brand[data-brand-phase="3"] .brand-emblem { background: linear-gradient(135deg, var(--orange), var(--pink)); }
.brand[data-brand-phase="4"] .brand-emblem { background: linear-gradient(135deg, var(--purple), var(--green)); }
.brand-name { color: var(--text); font: 700 .86rem/1 "JetBrains Mono", monospace; letter-spacing: .14em; }
.brand-name b { color: var(--pink); }
.brand-name small { display: block; margin-top: .28rem; color: var(--muted); font: 400 .56rem/1 "JetBrains Mono", monospace; letter-spacing: .2em; }
.main-nav { display: flex; gap: 1.15rem; margin-left: auto; font: 600 .61rem/1 "JetBrains Mono", monospace; letter-spacing: .14em; }
.main-nav a { color: var(--muted); text-decoration: none; white-space: nowrap; }
.main-nav a:hover { color: var(--text); }
.site-header .theme-picker { flex-shrink: 0; }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .55rem;
  min-height: 42px;
  padding: .65rem 1rem;
  border: 1px solid var(--line);
  color: var(--text);
  font-size: .7rem;
  font-weight: 700;
  letter-spacing: .04em;
  text-decoration: none;
  text-transform: uppercase;
  transition: .2s ease;
}
.btn:hover { transform: translateY(-2px); border-color: var(--cyan); box-shadow: 0 0 22px rgba(46,230,246,.22); }
.btn-primary { border-color: var(--cyan); background: rgba(46,230,246,.13); color: var(--cyan); }
.btn-pink { border-color: var(--pink); background: rgba(255,46,151,.1); color: var(--pink); }
.btn-ghost { background: rgba(17,24,33,.7); }
.pill-row { display: flex; flex-wrap: wrap; gap: .55rem; }
.pill {
  padding: .32rem .58rem;
  border: 1px solid var(--line);
  color: var(--muted);
  font: 600 .63rem "JetBrains Mono", monospace;
  letter-spacing: .08em;
  text-transform: uppercase;
}
.pill.cyan { border-color: rgba(46,230,246,.55); color: var(--cyan); }
.pill.green { border-color: rgba(110,231,168,.55); color: var(--green); }
.pill.pink { border-color: rgba(255,46,151,.55); color: var(--pink); }

.hero { position: relative; overflow: hidden; padding: 5rem 0 2.5rem; }
.hero::after {
  position: absolute;
  top: 5rem;
  right: -10rem;
  width: 36rem;
  height: 36rem;
  border: 1px solid rgba(46,230,246,.16);
  border-radius: 50%;
  box-shadow: 0 0 0 3rem rgba(46,230,246,.025), 0 0 0 8rem rgba(255,46,151,.018);
  content: "";
  pointer-events: none;
}
.hero-grid { display: grid; grid-template-columns: 1fr .9fr; align-items: center; gap: 3rem; }
.eyebrow, .kicker { margin-bottom: 1rem; color: var(--cyan); font-size: .7rem; font-weight: 700; letter-spacing: .14em; text-transform: uppercase; }
.eyebrow::before, .kicker::before { margin-right: .6rem; color: var(--pink); content: "//"; }
.hero h1 { margin-bottom: 1.5rem; }
.hero h1 em, h2 em { color: var(--cyan); font-style: normal; text-shadow: 0 0 22px rgba(46,230,246,.25); }
.hero-sub { max-width: 58ch; margin-bottom: 1.5rem; color: var(--muted); font-size: .94rem; }
.hero-cta { display: flex; flex-wrap: wrap; gap: .75rem; }
.hero-art { position: relative; z-index: 1; }
.hero-art img { display: block; width: min(100%, 560px); margin-inline: auto; filter: drop-shadow(0 0 28px rgba(46,230,246,.18)); }
.hero-readout { display: grid; grid-template-columns: repeat(3, 1fr); margin-top: 2.8rem; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.metric { padding: 1rem .8rem; border-right: 1px solid var(--line-dim); }
.metric:last-child { border-right: 0; }
.metric-label { display: block; margin-bottom: .3rem; color: var(--dim); font-size: .58rem; letter-spacing: .08em; text-transform: uppercase; }
.metric strong { color: var(--green); font: 600 .72rem "JetBrains Mono", monospace; }

.section { padding: 4.5rem 0 1rem; }
.section-head { display: flex; align-items: end; justify-content: space-between; gap: 2rem; margin-bottom: 2rem; }
.section-head p { max-width: 48ch; color: var(--muted); }
.section-index { color: var(--pink); font: .7rem "JetBrains Mono", monospace; letter-spacing: .1em; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1rem; }
.card {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--line-dim);
  background: linear-gradient(145deg, rgba(17,24,33,.95), rgba(11,16,23,.9));
}
.card::before { position: absolute; inset: 0 0 auto; height: 2px; background: linear-gradient(90deg, var(--cyan), transparent 70%); content: ""; }
.card:hover { border-color: rgba(46,230,246,.7); }
.card-copy { padding: 1.15rem; }
.card-copy p { margin-top: .6rem; color: var(--muted); font-size: .82rem; }
.card-art { display: block; width: 100%; border-bottom: 1px solid var(--line-dim); }
.status { display: inline-flex; align-items: center; gap: .4rem; color: var(--green); font-size: .62rem; letter-spacing: .08em; text-transform: uppercase; }
.status::before { width: 6px; height: 6px; border-radius: 50%; background: currentColor; box-shadow: 0 0 12px currentColor; content: ""; }

.split { display: grid; grid-template-columns: .8fr 1.2fr; align-items: center; gap: 3rem; }
.split.reverse { grid-template-columns: 1.2fr .8fr; }
.split.reverse .split-copy { order: 2; }
.split.reverse .split-art { order: 1; }
.split-copy p { max-width: 55ch; margin-top: 1rem; color: var(--muted); }
.split-art img { display: block; width: 100%; border: 1px solid var(--line); box-shadow: 0 20px 50px rgba(0,0,0,.28); }
.threat { border-color: rgba(255,46,151,.45); }
.threat::before { background: linear-gradient(90deg, var(--pink), transparent 70%); }

.install { padding: 5rem 0 4rem; }
.install-card { max-width: 760px; margin-inline: auto; }
.install-card .card-copy { padding: 1.6rem; }
.cmd-row { display: flex; align-items: center; gap: .7rem; margin-top: 1.2rem; padding: .85rem 1rem; border: 1px solid var(--line); background: #07090e; }
.cmd-row .prompt { color: var(--pink); font: 700 .85rem "JetBrains Mono", monospace; }
.cmd-row code { flex: 1; overflow-x: auto; background: none; white-space: nowrap; }
.copy-btn { width: 32px; height: 32px; border: 1px solid var(--line); background: var(--surface); color: var(--cyan); cursor: pointer; }
.copy-btn.copied { border-color: var(--green); color: var(--green); }
.install-note { margin-top: .9rem; color: var(--dim); font-size: .66rem; }
.install-more { margin-top: 1rem; color: var(--muted); font: .7rem "JetBrains Mono", monospace; }
.install-more a { color: var(--cyan); }

/* The footer keeps the existing CyberVault content and link structure. */
footer { margin-top: 20px; border-top: 1px solid #2a2333; padding: 28px 0 40px; }
.foot-row { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 12px; }
.foot-brand { display: flex; align-items: center; gap: 9px; color: #8f88a3; font: 12.5px "Roboto Mono", monospace; }
.foot-brand img { width: 18px; height: 18px; }
.foot-links { display: flex; gap: 16px; }
.foot-links a { color: #8f88a3; font: 500 12px "Roboto Mono", monospace; text-decoration: none; }
.foot-links a:hover { color: #fff; }
.foot-family { color: #332a3d; font: 10px "Roboto Mono", monospace; letter-spacing: .06em; text-transform: uppercase; }

@media (max-width: 860px) {
  .hero-grid, .split, .split.reverse { grid-template-columns: 1fr; gap: 2.3rem; }
  .split.reverse .split-copy, .split.reverse .split-art { order: initial; }
  .grid-3 { grid-template-columns: 1fr; }
  .hero { padding-top: 4.5rem; }
  .hero-art { max-width: 540px; margin-inline: auto; }
  .section-head { display: block; }
  .section-head p { margin-top: 1rem; }
  .site-header { gap: .8rem; }
  .main-nav { gap: .7rem; }
  .main-nav a:nth-child(3) { display: none; }
}
@media (max-width: 560px) {
  .wrap { width: min(100% - 28px, 1160px); }
  .navlinks .navlink { display: none; }
  .navlinks .btn { display: inline-flex; }
  .hero-readout { grid-template-columns: 1fr; }
  .metric { border-right: 0; border-bottom: 1px solid var(--line-dim); }
  .metric:last-child { border-bottom: 0; }
  .grid-2 { grid-template-columns: 1fr; }
  .theme-label { display: none; }
  .theme-button { min-width: 0; }
  .site-header { align-items: flex-start; flex-wrap: wrap; }
  .main-nav { order: 3; width: 100%; justify-content: space-between; }
  .main-nav a:nth-child(4) { display: none; }
}