/* ============================================================
   LAYOUT, chrome, rails, sections, hero, footer
   ============================================================ */

/* ---------- Background field ---------- */
.bg-canvas {
  position: fixed; inset: 0;
  z-index: 0; pointer-events: none;
  opacity: .9;
}
.bg-vignette {
  position: fixed; inset: 0; z-index: 1; pointer-events: none;
  background:
    radial-gradient(120% 80% at 50% 0%, transparent 40%, var(--bg) 100%),
    radial-gradient(90% 60% at 50% 100%, transparent 45%, var(--bg) 100%);
  opacity: .85;
}
.scanlines {
  position: fixed; inset: 0; z-index: 2; pointer-events: none;
  background: repeating-linear-gradient(
    to bottom,
    rgba(255,255,255,.018) 0px,
    rgba(255,255,255,.018) 1px,
    transparent 1px,
    transparent 3px
  );
  mix-blend-mode: overlay;
  opacity: .6;
}
[data-theme="light"] .scanlines { opacity: .25; }
.noise {
  position: fixed; inset: -50%; z-index: 2; pointer-events: none;
  opacity: .022;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='3'/%3E%3C/filter%3E%3Crect width='140' height='140' filter='url(%23n)'/%3E%3C/svg%3E");
  animation: grain 6s steps(6) infinite;
}
@keyframes grain {
  0%,100% { transform: translate(0,0); }
  20% { transform: translate(-3%, 2%); }
  40% { transform: translate(2%, -3%); }
  60% { transform: translate(-2%, -2%); }
  80% { transform: translate(3%, 1%); }
}

/* Everything above the field */
.shell { position: relative; z-index: 3; }

/* ---------- Custom cursor ---------- */
.cursor, .cursor-dot {
  position: fixed; top: 0; left: 0; z-index: 9998;
  pointer-events: none; border-radius: 50%;
  will-change: transform;
  mix-blend-mode: difference;
}
.cursor {
  width: 30px; height: 30px;
  border: 1px solid rgba(255,255,255,.75);
  margin: -15px 0 0 -15px;
  transition: width .22s var(--e-out), height .22s var(--e-out),
              margin .22s var(--e-out), opacity .22s, border-color .22s,
              background .22s;
}
.cursor-dot {
  width: 4px; height: 4px; margin: -2px 0 0 -2px;
  background: #fff;
}
.cursor.is-hot { width: 56px; height: 56px; margin: -28px 0 0 -28px; background: rgba(255,255,255,.14); }
.cursor.is-text { width: 3px; height: 30px; border-radius: 2px; margin: -15px 0 0 -1.5px; background: #fff; }
.cursor.is-hidden, .cursor-dot.is-hidden { opacity: 0; }
@media (hover: none), (pointer: coarse) { .cursor, .cursor-dot { display: none; } }

/* ---------- Nav ---------- */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 900;
  display: flex; align-items: center; justify-content: space-between;
  gap: var(--s-4);
  padding: var(--s-4) var(--gutter);
  transition: background var(--d-mid) var(--e-soft),
              backdrop-filter var(--d-mid), border-color var(--d-mid),
              padding var(--d-mid) var(--e-soft);
  border-bottom: 1px solid transparent;
}
.nav.is-stuck {
  background: color-mix(in srgb, var(--bg) 78%, transparent);
  backdrop-filter: blur(14px) saturate(160%);
  -webkit-backdrop-filter: blur(14px) saturate(160%);
  border-bottom-color: var(--line-soft);
  padding-block: var(--s-3);
}

.brand { display: flex; align-items: center; gap: var(--s-3); flex: none; }
.brand__mark {
  width: 38px; height: 38px; flex: none;
  display: grid; place-items: center;
  border: 1px solid var(--line-strong);
  border-radius: var(--r-md);
  font-family: var(--f-mono); font-size: 13px; font-weight: 700;
  letter-spacing: -.04em; color: var(--acc);
  background: linear-gradient(150deg, var(--ink-750), var(--ink-850));
  position: relative; overflow: hidden;
  transition: border-color var(--d-fast), transform var(--d-fast) var(--e-out);
}
.brand:hover .brand__mark { border-color: var(--acc); transform: translateY(-1px); }
.brand__mark::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(120deg, transparent 30%, var(--acc-glow) 50%, transparent 70%);
  transform: translateX(-100%);
  transition: transform .7s var(--e-out);
}
.brand:hover .brand__mark::after { transform: translateX(100%); }
.brand__txt { display: flex; flex-direction: column; line-height: 1.15; }
.brand__name { font-family: var(--f-display); font-size: var(--t-sm); font-weight: 600; letter-spacing: -.01em; }
.brand__role { font-family: var(--f-mono); font-size: 10px; letter-spacing: .14em; text-transform: uppercase; color: var(--txt-3); }

.nav__links { display: flex; align-items: center; gap: 2px; }
.nav__link {
  position: relative;
  padding: 8px 14px;
  font-family: var(--f-mono); font-size: var(--t-xs);
  letter-spacing: .1em; text-transform: uppercase;
  color: var(--txt-3); border-radius: var(--r-md);
  transition: color var(--d-fast), background var(--d-fast);
}
.nav__link:hover { color: var(--txt-1); background: var(--ink-750); }
.nav__link.is-active { color: var(--acc); }
.nav__link.is-active::after {
  content: ""; position: absolute; left: 14px; right: 14px; bottom: 3px;
  height: 1px; background: var(--acc);
  box-shadow: 0 0 8px var(--acc);
}

.nav__actions { display: flex; align-items: center; gap: var(--s-2); flex: none; }

.icon-btn {
  width: 38px; height: 38px; flex: none;
  display: grid; place-items: center;
  border: 1px solid var(--line); border-radius: var(--r-md);
  color: var(--txt-2); background: var(--ink-800);
  transition: all var(--d-fast) var(--e-out);
}
.icon-btn:hover { color: var(--acc); border-color: var(--acc-dim); transform: translateY(-1px); }
.icon-btn svg { width: 17px; height: 17px; }

.kbd-btn {
  display: flex; align-items: center; gap: var(--s-2);
  height: 38px; padding: 0 12px;
  border: 1px solid var(--line); border-radius: var(--r-md);
  background: var(--ink-800); color: var(--txt-3);
  font-family: var(--f-mono); font-size: var(--t-xs);
  transition: all var(--d-fast) var(--e-out);
}
.kbd-btn:hover { color: var(--txt-1); border-color: var(--line-strong); }
.kbd-btn kbd {
  font-family: var(--f-mono); font-size: 10px;
  padding: 2px 5px; border-radius: 3px;
  background: var(--ink-600); border: 1px solid var(--line-strong);
  color: var(--txt-2);
}

.nav__toggle { display: none; }

/* Mobile drawer */
.drawer {
  position: fixed; inset: 0; z-index: 890;
  background: color-mix(in srgb, var(--bg) 96%, transparent);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  display: flex; flex-direction: column; justify-content: center;
  padding: var(--s-8) var(--gutter);
  gap: var(--s-2);
  opacity: 0; visibility: hidden;
  transition: opacity var(--d-mid) var(--e-soft), visibility var(--d-mid);
}
.drawer.is-open { opacity: 1; visibility: visible; }
.drawer__link {
  display: flex; align-items: baseline; gap: var(--s-4);
  padding: var(--s-3) 0;
  border-bottom: 1px solid var(--line-soft);
  font-family: var(--f-display); font-size: var(--t-xl); font-weight: 500;
  opacity: 0; transform: translateY(14px);
}
.drawer.is-open .drawer__link { animation: drawerIn .5s var(--e-out) forwards; }
.drawer__link span {
  font-family: var(--f-mono); font-size: var(--t-xs); color: var(--acc);
}
@keyframes drawerIn { to { opacity: 1; transform: none; } }

/* ---------- Rails ---------- */
.rail {
  position: fixed; z-index: 800;
  display: flex; align-items: center; gap: var(--s-4);
  font-family: var(--f-mono); font-size: 10px;
  letter-spacing: .18em; text-transform: uppercase;
  color: var(--txt-4);
}
.rail--left  { left: 22px;  bottom: 0; flex-direction: column; }
.rail--right { right: 22px; bottom: 0; flex-direction: column; }
.rail::after {
  content: ""; width: 1px; height: 88px;
  background: linear-gradient(to bottom, var(--line-strong), transparent);
}
.rail__socials { display: flex; flex-direction: column; gap: var(--s-4); }
.rail__socials a { color: var(--txt-4); transition: color var(--d-fast), transform var(--d-fast) var(--e-out); }
.rail__socials a:hover { color: var(--acc); transform: translateY(-2px); }
.rail__socials svg { width: 17px; height: 17px; }
.rail__vert { writing-mode: vertical-rl; }
.rail--right .rail__vert { transform: rotate(180deg); }
@media (max-width: 1180px) { .rail { display: none; } }

/* Scroll progress */
.progress {
  position: fixed; top: 0; left: 0; z-index: 950;
  height: 2px; width: 100%;
  transform: scaleX(0); transform-origin: 0 50%;
  background: linear-gradient(90deg, var(--acc), var(--azure), var(--violet));
  box-shadow: 0 0 14px var(--acc-glow);
}

/* ---------- Section framework ---------- */
.section {
  position: relative;
  padding: clamp(56px, 7vw, 88px) var(--gutter);
  max-width: var(--maxw);
  margin-inline: auto;
}
.section--tight { padding-block: clamp(44px, 5vw, 64px); }

.section__head {
  display: flex; align-items: flex-end; justify-content: space-between;
  gap: var(--s-6); flex-wrap: wrap;
  padding-bottom: var(--s-4);
  margin-bottom: var(--s-6);
  border-bottom: 1px solid var(--line-soft);
}
.section__title {
  font-family: var(--f-display);
  font-size: var(--t-2xl);
  font-weight: 600; letter-spacing: -.035em;
  display: flex; align-items: baseline; gap: var(--s-3);
}
.section__idx {
  font-family: var(--f-mono); font-size: var(--t-sm);
  color: var(--acc); font-weight: 400; letter-spacing: 0;
}
.section__lead {
  max-width: 46ch; color: var(--txt-2);
  font-size: var(--t-md);
}

/* ---------- Hero ---------- */
.hero {
  position: relative;
  min-height: 100svh;
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(0, .85fr);
  align-items: center;
  gap: var(--s-8);
  padding: 120px var(--gutter) var(--s-8);
  max-width: var(--maxw);
  margin-inline: auto;
}
.hero__main { min-width: 0; }

.hero__eyebrow {
  display: inline-flex; align-items: center; gap: var(--s-3);
  padding: 6px 14px 6px 10px;
  border: 1px solid var(--line); border-radius: 99px;
  background: var(--ink-800);
  font-family: var(--f-mono); font-size: var(--t-xs);
  letter-spacing: .12em; text-transform: uppercase; color: var(--txt-2);
  margin-bottom: var(--s-5);
}
.pulse {
  width: 7px; height: 7px; border-radius: 50%; background: var(--acc); flex: none;
  position: relative;
}
.pulse::after {
  content: ""; position: absolute; inset: 0; border-radius: 50%;
  background: var(--acc); animation: pulse 2.4s var(--e-out) infinite;
}
@keyframes pulse {
  0%   { transform: scale(1); opacity: .7; }
  70%  { transform: scale(3.4); opacity: 0; }
  100% { transform: scale(3.4); opacity: 0; }
}

.hero__name {
  font-family: var(--f-display);
  font-size: var(--t-4xl);
  font-weight: 600;
  letter-spacing: -.055em;
  line-height: .9;
  margin-bottom: var(--s-4);
  overflow-wrap: normal;
  word-break: keep-all;
  hyphens: none;
}
.hero__name .ln { display: block; overflow: hidden; }
.hero__name .ln > span { display: block; }
.hero__name em {
  font-style: normal;
  background: linear-gradient(100deg, var(--acc) 0%, var(--azure) 55%, var(--violet) 100%);
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent; color: transparent;
}

.hero__role {
  font-family: var(--f-mono);
  font-size: var(--t-lg);
  color: var(--txt-2);
  margin-bottom: var(--s-5);
  min-height: 1.6em;
  display: flex; align-items: center; gap: var(--s-3); flex-wrap: wrap;
}
.hero__role .caret {
  display: inline-block; width: 9px; height: 1.05em;
  background: var(--acc); vertical-align: -2px;
  animation: blink 1.05s steps(2) infinite;
}
@keyframes blink { 0%,100% { opacity: 1; } 50% { opacity: 0; } }

.hero__blurb {
  max-width: 54ch; color: var(--txt-2);
  font-size: var(--t-lg); line-height: 1.6;
  margin-bottom: var(--s-6);
}
.hero__blurb strong { color: var(--txt-1); font-weight: 500; }

.hero__cta { display: flex; flex-wrap: wrap; gap: var(--s-3); margin-bottom: var(--s-7); }

.hero__stats {
  display: grid; grid-template-columns: repeat(4, minmax(0,1fr));
  gap: 1px; background: var(--line-soft);
  border: 1px solid var(--line-soft); border-radius: var(--r-lg);
  overflow: hidden;
}
.stat { padding: var(--s-4); background: var(--bg); }
.stat__n {
  font-family: var(--f-display); font-size: var(--t-xl);
  font-weight: 600; letter-spacing: -.04em; color: var(--txt-1);
  display: flex; align-items: baseline; gap: 2px;
}
.stat__n sup { font-size: .5em; color: var(--acc); font-weight: 500; }
.stat__l {
  font-family: var(--f-mono); font-size: 10px;
  letter-spacing: .12em; text-transform: uppercase; color: var(--txt-3);
  margin-top: 2px;
}

/* Hero side, portrait + telemetry */
.hero__side { display: flex; flex-direction: column; gap: var(--s-4); min-width: 0; }

.portrait {
  position: relative; border-radius: var(--r-xl); overflow: hidden;
  border: 1px solid var(--line);
  background: var(--ink-800);
  aspect-ratio: 4 / 4.6;
  box-shadow: var(--sh-3);
}
.portrait img {
  width: 100%; height: 100%; object-fit: cover; object-position: 50% 22%;
  filter: grayscale(1) contrast(1.06) brightness(.92);
  transition: filter .6s var(--e-out), transform .9s var(--e-out);
}
.portrait:hover img { filter: grayscale(0) contrast(1) brightness(1); transform: scale(1.035); }
.portrait::after {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background:
    linear-gradient(to top, color-mix(in srgb, var(--ink-900) 88%, transparent) 0%, transparent 46%),
    repeating-linear-gradient(to bottom, rgba(79,240,183,.05) 0 1px, transparent 1px 4px);
}
.portrait__scan {
  position: absolute; left: 0; right: 0; height: 90px; z-index: 2;
  background: linear-gradient(to bottom, transparent, var(--acc-glow), transparent);
  animation: scan 5.5s var(--e-soft) infinite;
  pointer-events: none;
}
@keyframes scan { 0% { top: -90px; } 100% { top: 100%; } }
.portrait__meta {
  position: absolute; left: 0; right: 0; bottom: 0; z-index: 3;
  padding: var(--s-4);
  display: flex; align-items: flex-end; justify-content: space-between; gap: var(--s-3);
  font-family: var(--f-mono); font-size: 10px;
  letter-spacing: .1em; text-transform: uppercase; color: var(--txt-2);
}
.portrait__meta b { display: block; color: var(--acc); font-weight: 500; }

.telemetry {
  border: 1px solid var(--line); border-radius: var(--r-lg);
  background: var(--panel); backdrop-filter: blur(10px);
  padding: var(--s-4);
  font-family: var(--f-mono); font-size: var(--t-xs);
}
.telemetry__row {
  display: flex; align-items: center; justify-content: space-between;
  gap: var(--s-3); padding: 5px 0;
  border-bottom: 1px dashed var(--line-soft);
}
.telemetry__row:last-child { border-bottom: 0; }
.telemetry__k { color: var(--txt-3); letter-spacing: .06em; }
.telemetry__v { color: var(--txt-1); text-align: right; }
.telemetry__v.ok { color: var(--acc); }

/* Scroll hint */
.scroll-hint {
  position: absolute; left: 50%; bottom: 26px; transform: translateX(-50%);
  display: flex; flex-direction: column; align-items: center; gap: var(--s-2);
  font-family: var(--f-mono); font-size: 10px; letter-spacing: .2em;
  text-transform: uppercase; color: var(--txt-4);
  animation: floaty 2.6s var(--e-soft) infinite;
}
.scroll-hint i {
  width: 1px; height: 34px;
  background: linear-gradient(to bottom, var(--acc), transparent);
}
@keyframes floaty { 0%,100% { transform: translate(-50%, 0); } 50% { transform: translate(-50%, 8px); } }

/* ---------- Marquee ---------- */
.marquee {
  overflow: hidden; border-block: 1px solid var(--line-soft);
  padding: var(--s-4) 0; background: var(--ink-850);
  --dur: 34s;
}
.marquee__track { display: flex; width: max-content; animation: marq var(--dur) linear infinite; }
.marquee:hover .marquee__track { animation-play-state: paused; }
.marquee__item {
  display: flex; align-items: center; gap: var(--s-5); padding-inline: var(--s-5);
  font-family: var(--f-mono); font-size: var(--t-sm);
  letter-spacing: .1em; text-transform: uppercase; color: var(--txt-3);
  white-space: nowrap;
}
.marquee__item::after { content: "◆"; color: var(--acc); font-size: 8px; }
@keyframes marq { to { transform: translateX(-50%); } }

/* ---------- Footer ---------- */
.footer {
  position: relative; z-index: 3;
  border-top: 1px solid var(--line-soft);
  padding: var(--s-9) var(--gutter) var(--s-6);
  max-width: var(--maxw); margin-inline: auto;
}
.footer__grid {
  display: grid; grid-template-columns: minmax(0,1.6fr) repeat(2, minmax(0,1fr));
  gap: var(--s-7); margin-bottom: var(--s-8);
}
.footer__big {
  font-family: var(--f-display); font-size: var(--t-2xl);
  font-weight: 600; letter-spacing: -.04em; line-height: 1.05;
  margin-bottom: var(--s-4);
}
.footer h4 {
  font-family: var(--f-mono); font-size: var(--t-xs);
  letter-spacing: .16em; text-transform: uppercase; color: var(--txt-3);
  margin-bottom: var(--s-4); font-weight: 400;
}
.footer__list { display: flex; flex-direction: column; gap: var(--s-2); }
.footer__list a {
  color: var(--txt-2); font-size: var(--t-sm);
  display: inline-flex; align-items: center; gap: var(--s-2);
  transition: color var(--d-fast), gap var(--d-fast) var(--e-out);
}
.footer__list a:hover { color: var(--acc); gap: var(--s-3); }
.footer__bar {
  display: flex; align-items: center; justify-content: space-between;
  gap: var(--s-4); flex-wrap: wrap;
  padding-top: var(--s-5); border-top: 1px solid var(--line-soft);
  font-family: var(--f-mono); font-size: var(--t-xs); color: var(--txt-4);
}

/* ---------- Responsive ---------- */
@media (max-width: 1080px) {
  .nav__links { display: none; }
  .nav__toggle { display: grid; }
  .hero { grid-template-columns: 1fr; padding-top: 108px; gap: var(--s-7); }
  .hero__side { max-width: 460px; }
  .footer__grid { grid-template-columns: 1fr 1fr; }
  .footer__big { grid-column: 1 / -1; }
}
@media (max-width: 720px) {
  .kbd-btn span { display: none; }
  .kbd-btn { padding-inline: 10px; }
  .hero__stats { grid-template-columns: 1fr 1fr; }
  .section { padding-block: var(--s-9); }
  .section__head { flex-direction: column; align-items: flex-start; gap: var(--s-4); }
  .footer__grid { grid-template-columns: 1fr; gap: var(--s-6); }
  .brand__txt { display: none; }
}