/* HD Cyber Defence 6.1 — Future Defence Layer System
   Original command-deck design. Loaded after the bounded Bootstrap foundation
   and the established HD stylesheet. */

:root {
  --fd-void: #030509;
  --fd-space: #07101c;
  --fd-panel: rgba(10, 19, 32, .82);
  --fd-panel-raised: rgba(17, 30, 47, .78);
  --fd-line: rgba(186, 226, 239, .12);
  --fd-line-hot: rgba(98, 244, 211, .42);
  --fd-cyan: #62f4d3;
  --fd-blue: #5590ff;
  --fd-violet: #a875ff;
  --fd-green: #7cf7ae;
  --fd-amber: #ffc777;
  --fd-red: #ff8ca2;
  --fd-white: #f5f8fa;
  --fd-silver: #aabac7;
  --fd-dim: #718594;
  --fd-mono: ui-monospace, "Cascadia Mono", "SFMono-Regular", Consolas, monospace;
  --fd-radius: 18px;
  --fd-radius-lg: 30px;
  --fd-glow-x: 50%;
  --fd-glow-y: 50%;
}

html { background: var(--fd-void); }
body {
  background:
    radial-gradient(circle at 82% -8%, rgba(85, 144, 255, .12), transparent 30rem),
    radial-gradient(circle at 12% 15%, rgba(98, 244, 211, .06), transparent 34rem),
    var(--fd-void);
}
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -2;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(167, 218, 234, .025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(167, 218, 234, .025) 1px, transparent 1px);
  background-size: 72px 72px;
  mask-image: linear-gradient(to bottom, #000, transparent 86%);
}
body::after {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  border: 1px solid rgba(255,255,255,.025);
  background: linear-gradient(90deg, transparent 49.95%, rgba(98,244,211,.025) 50%, transparent 50.05%);
}

.fd-icon { width: 1.15rem; height: 1.15rem; fill: currentColor; flex: 0 0 auto; }
.fd-icon--small { width: .9rem; height: .9rem; }
.fd-label {
  margin: 0 0 14px;
  color: var(--fd-cyan);
  font: 800 .64rem/1.4 var(--fd-mono);
  letter-spacing: .16em;
  text-transform: uppercase;
}
.fd-status {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  padding: 5px 9px;
  border: 1px solid var(--fd-line);
  border-radius: 999px;
  color: var(--fd-silver);
  background: rgba(255,255,255,.018);
  font: 800 .56rem/1 var(--fd-mono);
  letter-spacing: .1em;
  white-space: nowrap;
}
.fd-status--verified { color: var(--fd-green); border-color: rgba(124,247,174,.22); background: rgba(124,247,174,.04); }

/* Global command shell */
.site-header {
  background: linear-gradient(to bottom, rgba(3,5,9,.94), rgba(3,5,9,.68));
  border-bottom-color: rgba(187,226,239,.08);
  backdrop-filter: blur(20px) saturate(125%);
}
.site-header::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 3px;
  background: linear-gradient(var(--fd-cyan), var(--fd-blue), transparent);
  opacity: .85;
}
.site-header.is-scrolled { background: rgba(3,5,9,.92); }
.site-header .brand-copy strong { color: var(--fd-white); letter-spacing: -.01em; }
.site-header .brand-copy small { font-family: var(--fd-mono); text-transform: uppercase; letter-spacing: .08em; }
.fd-command-rail {
  display: grid;
  grid-template-columns: 1.25fr repeat(3, 1fr);
  max-height: 36px;
  margin-top: 10px;
  border-top: 1px solid var(--fd-line);
  overflow: hidden;
  opacity: 1;
  transition: max-height .28s ease, margin .28s ease, opacity .2s ease;
}
.fd-command-rail > span {
  min-width: 0;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px 0;
  border-right: 1px solid var(--fd-line);
  color: var(--fd-dim);
  font: 700 .54rem/1.2 var(--fd-mono);
  letter-spacing: .08em;
}
.fd-command-rail > span:first-child { padding-left: 0; }
.fd-command-rail > span:last-child { border-right: 0; }
.fd-command-rail i { width: 6px; height: 6px; border-radius: 50%; background: var(--fd-green); box-shadow: 0 0 13px rgba(124,247,174,.8); }
.fd-command-rail strong { color: var(--fd-silver); }
.fd-command-rail small { margin-left: auto; color: var(--fd-cyan); }
.site-header.is-scrolled .fd-command-rail { max-height: 0; margin-top: 0; opacity: 0; }

.primary-nav a { border: 1px solid transparent; font-weight: 610; }
.primary-nav a:hover,
.primary-nav a:focus-visible,
.primary-nav a.is-active { border-color: var(--fd-line); background: rgba(255,255,255,.035); }
.primary-nav .nav-contact { border-radius: 7px; background: linear-gradient(115deg, var(--fd-cyan), #a7ffe9); }

/* Reusable surfaces */
.fd-panel,
.fd-holo-card {
  --fd-glow-x: 50%;
  --fd-glow-y: 50%;
  position: relative;
  min-width: 0;
  overflow: hidden;
  border: 1px solid var(--fd-line);
  border-radius: var(--fd-radius);
  background:
    radial-gradient(circle at var(--fd-glow-x) var(--fd-glow-y), rgba(98,244,211,.1), transparent 26%),
    linear-gradient(145deg, rgba(18,32,50,.78), rgba(5,9,16,.92));
  box-shadow: inset 0 1px rgba(255,255,255,.045), 0 26px 70px rgba(0,0,0,.22);
}
.fd-panel::before,
.fd-holo-card::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image: linear-gradient(rgba(255,255,255,.018) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.018) 1px, transparent 1px);
  background-size: 28px 28px;
  mask-image: linear-gradient(135deg, #000, transparent 70%);
}
.fd-panel { min-height: 390px; display: flex; flex-direction: column; padding: clamp(24px,4vw,38px); }
.fd-panel__head { position: relative; z-index: 1; display: flex; justify-content: space-between; gap: 15px; }
.fd-panel__head > span { display: flex; align-items: center; gap: 9px; color: var(--fd-cyan); font: 800 .6rem/1.4 var(--fd-mono); letter-spacing: .13em; }
.fd-panel__body { position: relative; z-index: 1; margin-top: clamp(52px,8vw,94px); }
.fd-panel__body h3 { margin: 0 0 16px; font-size: clamp(1.8rem,3.3vw,3.2rem); line-height: 1; letter-spacing: -.045em; }
.fd-panel__body p { color: var(--fd-silver); }
.fd-panel__action { position: relative; z-index: 1; display: inline-flex; align-items: center; gap: 9px; margin-top: auto; color: var(--fd-cyan); font-size: .78rem; font-weight: 760; text-decoration: none; }
.fd-evidence-list { display: grid; gap: 8px; margin: 24px 0 0; padding: 0; list-style: none; }
.fd-evidence-list li { padding: 11px 13px; border-left: 2px solid rgba(98,244,211,.45); color: #c6d4dc; background: rgba(255,255,255,.02); font-size: .8rem; }

.fd-holo-card { min-height: 340px; display: flex; flex-direction: column; padding: 28px; }
.fd-holo-card__signal { position: absolute; right: -72px; top: -72px; width: 170px; height: 170px; border: 1px solid rgba(98,244,211,.14); border-radius: 50%; box-shadow: 0 0 0 28px rgba(98,244,211,.018), 0 0 0 56px rgba(85,144,255,.012); }
.fd-holo-card header { position: relative; z-index: 1; display: flex; justify-content: space-between; color: var(--fd-dim); font: 800 .59rem/1.2 var(--fd-mono); letter-spacing: .12em; }
.fd-holo-card header strong { color: var(--fd-cyan); }
.fd-holo-card__icon { position: relative; z-index: 1; width: 62px; height: 62px; display: grid; place-items: center; margin-top: 46px; border: 1px solid var(--fd-line-hot); color: var(--fd-cyan); background: rgba(98,244,211,.04); }
.fd-holo-card h3 { position: relative; z-index: 1; margin: auto 0 12px; font-size: 1.55rem; overflow-wrap: anywhere; }
.fd-holo-card p { position: relative; z-index: 1; margin: 0; color: var(--fd-silver); font-size: .88rem; }
a.fd-holo-card { color: inherit; text-decoration: none; }
.fd-holo-card__action { position: relative; z-index: 1; margin-top: 22px; color: var(--fd-cyan); font-size: .76rem; font-weight: 780; }

/* Trust diagrams */
.fd-trust-boundary {
  display: grid;
  grid-template-columns: minmax(300px,.82fr) minmax(0,1.18fr);
  gap: clamp(38px,8vw,100px);
  align-items: center;
  margin: 0;
  padding: clamp(30px,6vw,70px);
  border: 1px solid var(--fd-line);
  border-radius: var(--fd-radius-lg);
  background: radial-gradient(circle at 18% 50%, rgba(98,244,211,.09), transparent 30%), rgba(6,11,19,.72);
}
.fd-trust-boundary__visual { position: relative; width: min(410px,100%); aspect-ratio: 1; display: grid; place-items: center; margin-inline: auto; }
.fd-trust-ring { position: absolute; border: 1px solid rgba(98,244,211,.22); border-radius: 50%; }
.fd-trust-ring::before { content: ""; position: absolute; width: 8px; height: 8px; border-radius: 50%; background: var(--fd-cyan); box-shadow: 0 0 16px var(--fd-cyan); }
.fd-trust-ring--outer { inset: 0; animation: fd-spin 34s linear infinite; }
.fd-trust-ring--outer::before { top: 18%; left: 12%; }
.fd-trust-ring--middle { inset: 16%; border-style: dashed; border-color: rgba(85,144,255,.3); animation: fd-spin 23s linear infinite reverse; }
.fd-trust-ring--middle::before { right: 4%; bottom: 28%; background: var(--fd-blue); }
.fd-trust-ring--inner { inset: 31%; border-color: rgba(168,117,255,.34); }
.fd-trust-ring--inner::before { left: 18%; bottom: 5%; background: var(--fd-violet); }
.fd-trust-core { position: relative; z-index: 2; width: 112px; aspect-ratio: 1; display: grid; place-items: center; border: 1px solid var(--fd-line-hot); clip-path: polygon(50% 0,92% 23%,85% 78%,50% 100%,15% 78%,8% 23%); color: var(--fd-cyan); background: #0a1a27; box-shadow: 0 0 50px rgba(98,244,211,.13); }
.fd-trust-core .fd-icon { width: 1.8rem; height: 1.8rem; }
.fd-trust-core b { font: 800 .55rem/1 var(--fd-mono); letter-spacing: .12em; }
.fd-trust-boundary figcaption h3 { margin: 0 0 26px; font-size: clamp(2rem,4vw,4rem); line-height: 1; letter-spacing: -.05em; }
.fd-boundary-list { margin: 0; padding: 0; border-top: 1px solid var(--fd-line); list-style: none; }
.fd-boundary-list li { display: grid; grid-template-columns: 38px 1fr; gap: 15px; padding: 17px 0; border-bottom: 1px solid var(--fd-line); }
.fd-boundary-list li > span { color: var(--fd-cyan); font: 800 .61rem/1.4 var(--fd-mono); }
.fd-boundary-list div { display: grid; gap: 3px; }
.fd-boundary-list small { color: var(--fd-dim); }

.fd-ai-boundary { display: grid; grid-template-columns: minmax(0,.78fr) minmax(0,1.22fr); gap: clamp(40px,8vw,110px); padding: clamp(32px,6vw,72px); border: 1px solid rgba(168,117,255,.2); border-radius: var(--fd-radius-lg); background: radial-gradient(circle at 10% 0, rgba(168,117,255,.11), transparent 33%), rgba(7,11,19,.75); }
.fd-ai-boundary__copy h2 { margin: 0 0 22px; font-size: clamp(2.2rem,4.7vw,4.8rem); line-height: .98; letter-spacing: -.055em; }
.fd-ai-boundary__copy > p:last-child { color: var(--fd-silver); }
.fd-ai-boundary__controls { display: grid; margin: 0; padding: 0; border-top: 1px solid var(--fd-line); list-style: none; }
.fd-ai-boundary__controls li { display: grid; grid-template-columns: 34px 34px 1fr; gap: 13px; align-items: start; padding: 19px 0; border-bottom: 1px solid var(--fd-line); }
.fd-ai-boundary__controls li > span { color: var(--fd-violet); font: 800 .6rem/1.4 var(--fd-mono); }
.fd-ai-boundary__controls .fd-icon { color: var(--fd-cyan); }
.fd-ai-boundary__controls div { display: grid; gap: 4px; }
.fd-ai-boundary__controls small { color: var(--fd-dim); }

/* Console and signals */
.fd-console { border: 1px solid var(--fd-line-hot); border-radius: var(--fd-radius-lg); overflow: hidden; background: rgba(4,8,14,.84); box-shadow: 0 30px 90px rgba(0,0,0,.3); }
.fd-console__head { display: flex; align-items: end; justify-content: space-between; gap: 28px; padding: clamp(28px,5vw,58px); }
.fd-console__head h2 { margin: 0; font-size: clamp(2.2rem,4.6vw,4.7rem); line-height: .98; letter-spacing: -.05em; }
.fd-console__tabs { display: grid; grid-template-columns: repeat(6,1fr); border-block: 1px solid var(--fd-line); }
.fd-console__tabs button { min-height: 70px; padding: 12px; border: 0; border-right: 1px solid var(--fd-line); color: var(--fd-dim); background: rgba(255,255,255,.012); font: 750 .68rem/1.3 var(--fd-mono); }
.fd-console__tabs button:last-child { border-right: 0; }
.fd-console__tabs button:hover,
.fd-console__tabs button:focus-visible { color: var(--fd-white); background: rgba(255,255,255,.035); }
.fd-console__tabs button[aria-selected="true"] { color: #03110e; background: var(--fd-cyan); }
.fd-console__panels { padding: clamp(28px,5vw,60px); }
.fd-console__panels article { display: grid; grid-template-columns: 70px minmax(0,1fr) minmax(160px,.45fr); gap: clamp(24px,5vw,70px); align-items: center; }
.fd-console__panels article > span { color: rgba(98,244,211,.3); font: 850 4rem/1 var(--fd-mono); letter-spacing: -.1em; }
.fd-console__panels h3 { margin: 0 0 13px; font-size: clamp(1.8rem,3.4vw,3.4rem); line-height: 1; }
.fd-console__panels p { margin: 0; color: var(--fd-silver); }
.fd-console__panels article > strong { padding: 18px; border: 1px solid rgba(124,247,174,.2); color: var(--fd-green); background: rgba(124,247,174,.035); font-size: .8rem; }
.fd-console [hidden] { display: none !important; }
html.no-js .fd-console__tabs { display: none; }
html.no-js .fd-console [data-fd-panel][hidden] { display: grid !important; margin-top: 36px; padding-top: 36px; border-top: 1px solid var(--fd-line); }

.fd-signal-strip { border-block: 1px solid var(--fd-line); background: rgba(255,255,255,.012); }
.fd-signal-strip__track { display: grid; grid-template-columns: repeat(auto-fit,minmax(170px,1fr)); }
.fd-signal-strip__track > span { min-width: 0; display: grid; grid-template-columns: 10px 1fr; gap: 3px 9px; padding: 14px 18px; border-right: 1px solid var(--fd-line); }
.fd-signal-strip__track i { grid-row: 1 / 3; align-self: center; width: 6px; height: 6px; border-radius: 50%; background: var(--fd-green); box-shadow: 0 0 13px rgba(124,247,174,.7); }
.fd-signal-strip__track strong { color: var(--fd-silver); font: 800 .57rem/1.2 var(--fd-mono); letter-spacing: .1em; }
.fd-signal-strip__track small { color: var(--fd-cyan); font: 700 .57rem/1.2 var(--fd-mono); }

/* Footer command deck */
.site-footer { position: relative; overflow: hidden; background: linear-gradient(180deg,#050810,#030509); }
.site-footer::before { content: ""; position: absolute; inset: 0; pointer-events: none; background: linear-gradient(90deg, transparent, rgba(98,244,211,.025), transparent); }
.fd-footer-command { position: relative; z-index: 1; display: grid; grid-template-columns: repeat(3,1fr); margin-bottom: 70px; border: 1px solid var(--fd-line); }
.fd-footer-command > div { display: grid; grid-template-columns: 42px 1fr; gap: 13px; align-items: center; min-height: 104px; padding: 20px; border-right: 1px solid var(--fd-line); }
.fd-footer-command > div:last-child { border-right: 0; }
.fd-footer-command .fd-icon { width: 1.5rem; height: 1.5rem; color: var(--fd-cyan); }
.fd-footer-command span { display: grid; gap: 5px; }
.fd-footer-command strong { color: var(--fd-white); font: 800 .62rem/1.3 var(--fd-mono); letter-spacing: .1em; }
.fd-footer-command small { color: var(--fd-dim); font-size: .72rem; }

/* Progressive enhancement and measured overflow repair */
[data-fd-reveal] { opacity: 1; transform: none; }
html.fd-ready [data-fd-reveal] { opacity: 0; transform: translateY(22px); transition: opacity .65s ease, transform .65s cubic-bezier(.22,.8,.22,1); }
html.fd-ready [data-fd-reveal].fd-visible { opacity: 1; transform: none; }
.profile-orbit { right: clamp(-38px,-2.5vw,-10px); }
.about-hero,
.profile-stage { max-width: 100%; }
.about-hero { overflow: clip; }

@keyframes fd-spin { to { transform: rotate(360deg); } }

@media (max-width: 1120px) {
  .fd-command-rail > span:nth-child(3) { display: none; }
  .fd-command-rail { grid-template-columns: 1.2fr 1fr 1fr; }
  .fd-console__tabs { grid-template-columns: repeat(3,1fr); }
}
@media (max-width: 900px) {
  .fd-command-rail { display: none; }
  .fd-trust-boundary,
  .fd-ai-boundary { grid-template-columns: 1fr; }
  .fd-trust-boundary__visual { width: min(350px,82vw); }
  .fd-footer-command { grid-template-columns: 1fr; }
  .fd-footer-command > div { border-right: 0; border-bottom: 1px solid var(--fd-line); }
  .fd-footer-command > div:last-child { border-bottom: 0; }
  .profile-orbit { right: 0; transform: translateX(18%); }
  html:not(.js-ready) .primary-nav { max-width: 100%; }
}
@media (max-width: 620px) {
  body::before { background-size: 40px 40px; }
  .fd-console__head { align-items: flex-start; flex-direction: column; }
  .fd-console__tabs { display: flex; overflow-x: auto; }
  .fd-console__tabs button { flex: 0 0 145px; }
  .fd-console__panels article,
  html.no-js .fd-console [data-fd-panel][hidden] { grid-template-columns: 1fr; gap: 18px; }
  .fd-console__panels article > span { font-size: 2.8rem; }
  .fd-trust-boundary,
  .fd-ai-boundary { padding-inline: 22px; }
  .fd-trust-boundary__visual { width: min(290px,76vw); }
  .fd-trust-core { width: 88px; }
  .fd-signal-strip__track { grid-template-columns: 1fr 1fr; }
  .fd-signal-strip__track > span { padding-inline: 8px; }
}
@media (max-width: 390px) {
  .profile-orbit { display: none; }
  .fd-signal-strip__track { grid-template-columns: 1fr; }
}
@media (prefers-reduced-motion: reduce) {
  .fd-trust-ring { animation: none !important; }
  html.fd-ready [data-fd-reveal] { opacity: 1; transform: none; transition: none; }
}
.motion-paused .fd-trust-ring { animation-play-state: paused !important; }
.motion-paused [data-fd-reveal] { opacity: 1 !important; transform: none !important; }
@media (forced-colors: active) {
  .fd-trust-ring,
  .fd-holo-card__signal { display: none; }
  .fd-panel,
  .fd-holo-card,
  .fd-trust-boundary,
  .fd-ai-boundary,
  .fd-console { border: 1px solid ButtonText; background: Canvas; color: CanvasText; }
}