@font-face {
  font-family: "DM Sans";
  src: url("./assets/fonts/DM-Sans.ttf") format("truetype");
  font-display: swap;
}

@font-face {
  font-family: "Tiny5";
  src: url("./assets/fonts/Tiny5-Regular.ttf") format("truetype");
  font-display: swap;
}

@font-face {
  font-family: "Silkscreen";
  src: url("./assets/fonts/Silkscreen-Regular.ttf") format("truetype");
  font-display: swap;
}

:root {
  color-scheme: dark;
  --black: #050705;
  --deep: #08100d;
  --stone: #111813;
  --ink: #f0eee5;
  --muted: #8e948b;
  --dim: #5e665f;
  --zec: #f4b728;
  --acid: #c7f04b;
  --cyan: #8be2dd;
  --alert: #ff765f;
  --line: rgba(240, 238, 229, 0.14);
  --state: var(--cyan);
  --body: "DM Sans", sans-serif;
  --pixel: "Silkscreen", monospace;
  --display: "Tiny5", monospace;
}

:root[data-node-state="loading"] { --state: #8e948b; }
:root[data-node-state="online"] { --state: var(--acid); }
:root[data-node-state="syncing"] { --state: var(--zec); }
:root[data-node-state="stale"],
:root[data-node-state="offline"] { --state: var(--alert); }

* { box-sizing: border-box; }

html, body { min-width: 320px; min-height: 100%; }

body {
  margin: 0;
  min-height: 100svh;
  overflow-x: hidden;
  color: var(--ink);
  background:
    linear-gradient(90deg, rgba(3, 6, 4, .95) 0 16%, rgba(3, 7, 5, .6) 38%, rgba(2, 6, 4, .12) 66%, rgba(2, 4, 3, .3) 100%),
    linear-gradient(0deg, rgba(1, 3, 2, .36), transparent 52%),
    url("./assets/cave-node-chamber.webp") center / cover fixed,
    var(--black);
  font-family: var(--body);
  font-synthesis: none;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 6;
  background:
    linear-gradient(90deg, transparent 49.96%, rgba(255, 255, 255, .025) 50%, transparent 50.04%),
    repeating-linear-gradient(0deg, transparent 0 5px, rgba(0, 0, 0, .11) 6px);
}

a, button { -webkit-tap-highlight-color: transparent; }

a:focus-visible, button:focus-visible {
  outline: 2px solid var(--state);
  outline-offset: 4px;
}

.grain {
  position: fixed;
  inset: -40%;
  z-index: 20;
  pointer-events: none;
  opacity: .045;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 160 160' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.78' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  animation: grain 10s steps(8) infinite;
}

.cave-light {
  position: fixed;
  z-index: 0;
  width: min(66vw, 920px);
  aspect-ratio: 1;
  right: -8vw;
  top: 50%;
  transform: translateY(-50%);
  border-radius: 50%;
  pointer-events: none;
  background: radial-gradient(circle, color-mix(in srgb, var(--state) 22%, transparent) 0, color-mix(in srgb, var(--state) 8%, transparent) 31%, transparent 67%);
  transition: background 500ms ease;
}

.site-header {
  position: relative;
  z-index: 10;
  background: linear-gradient(180deg, rgba(3, 7, 5, .9), rgba(3, 7, 5, .48));
  backdrop-filter: blur(3px);
  min-height: 82px;
  padding: 0 clamp(22px, 4vw, 64px);
  border-bottom: 1px solid var(--line);
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
}

.brand {
  color: var(--ink);
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 14px;
  width: max-content;
}

.brand-mark {
  width: 39px;
  height: 39px;
  border: 1px solid rgba(240, 238, 229, .54);
  box-shadow: 3px 3px 0 rgba(244, 183, 40, .2);
}

.brand-mark img { display: block; width: 100%; height: 100%; image-rendering: pixelated; }
.brand > span:last-child { display: grid; gap: 2px; }
.brand b { color: var(--zec); font-family: var(--pixel); font-size: 11px; letter-spacing: .16em; text-transform: uppercase; }
.brand small, .header-coordinate, .gate-state { font-family: var(--pixel); text-transform: uppercase; letter-spacing: .12em; font-size: 8px; }
.brand small { color: var(--muted); }
.header-coordinate { color: var(--dim); }
.gate-state { justify-self: end; display: flex; align-items: center; gap: 10px; color: var(--muted); }
.gate-state span { width: 6px; height: 6px; background: var(--zec); box-shadow: 0 0 12px rgba(244,183,40,.7); }

main {
  position: relative;
  z-index: 2;
  min-height: calc(100svh - 150px);
  display: grid;
  grid-template-columns: minmax(340px, .84fr) minmax(520px, 1.16fr);
  gap: clamp(34px, 6vw, 110px);
  padding: clamp(52px, 8vh, 105px) clamp(22px, 5vw, 76px) 44px;
  align-items: center;
}

.signal-copy { max-width: 590px; }

.eyebrow {
  margin: 0 0 27px;
  display: flex;
  align-items: center;
  gap: 13px;
  font-family: var(--pixel);
  font-size: 8px;
  line-height: 1.7;
  letter-spacing: .13em;
  text-transform: uppercase;
  color: var(--muted);
}

.eyebrow i { width: 30px; height: 1px; background: var(--state); box-shadow: 0 0 9px var(--state); }

h1 {
  margin: 0;
  font-family: var(--display);
  font-size: clamp(77px, 10vw, 158px);
  font-weight: 400;
  line-height: .7;
  letter-spacing: -.035em;
  text-transform: uppercase;
  text-wrap: balance;
}

h1 em { color: var(--zec); font-style: normal; text-shadow: 6px 6px 0 rgba(244,183,40,.08); }

.live-line {
  margin-top: clamp(43px, 7vh, 72px);
  display: flex;
  align-items: center;
  gap: 17px;
}

.live-orb {
  position: relative;
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  border: 1px solid color-mix(in srgb, var(--state) 45%, transparent);
  transform: rotate(45deg);
}

.live-orb::before,
.live-orb::after {
  content: "";
  position: absolute;
  inset: 6px;
  border: 1px solid color-mix(in srgb, var(--state) 25%, transparent);
}

.live-orb::after { inset: -7px; opacity: .24; animation: ping 2.4s ease-out infinite; }
.live-orb i { width: 8px; height: 8px; background: var(--state); box-shadow: 0 0 20px var(--state); transition: background 300ms ease; }
.live-line strong { font-family: var(--pixel); color: var(--state); font-size: 12px; text-transform: uppercase; letter-spacing: .1em; }
.live-line p { margin: 5px 0 0; color: var(--muted); font-size: 14px; }

.premise {
  margin: 34px 0 0 61px;
  max-width: 420px;
  color: #b9bcb4;
  font-size: 16px;
  line-height: 1.65;
}

.access-rule {
  margin: 33px 0 0 61px;
  width: min(100%, 420px);
  padding-top: 18px;
  border-top: 1px solid var(--line);
  display: grid;
  grid-template-columns: auto auto 1fr auto auto;
  align-items: center;
  gap: 9px;
  font-family: var(--pixel);
  font-size: 8px;
  text-transform: uppercase;
  letter-spacing: .1em;
}

.access-rule span { color: var(--dim); }
.access-rule b { font-weight: 400; color: var(--ink); }
.access-rule i { height: 1px; margin: 0 9px; background: linear-gradient(90deg, var(--state), transparent 46%, var(--zec)); opacity: .6; }

.node-chamber {
  position: relative;
  min-height: min(670px, calc(100svh - 180px));
  display: flex;
  align-items: center;
  justify-content: center;
  isolation: isolate;
}

.strata {
  position: absolute;
  z-index: -2;
  inset: 3% 0;
  border: 1px solid rgba(240, 238, 229, .09);
  clip-path: polygon(19% 0, 92% 7%, 100% 72%, 78% 100%, 5% 92%, 0 31%);
}

.strata-a { transform: rotate(-3deg); background: rgba(4, 9, 7, .54); }
.strata-b { inset: 11% 8%; transform: rotate(4deg); opacity: .5; }

.portal {
  position: absolute;
  z-index: -1;
  right: -5%;
  top: 1%;
  width: min(39vw, 610px);
  aspect-ratio: 1;
  opacity: .68;
}

.portal-ring, .portal-core { position: absolute; inset: 0; border-radius: 48% 52% 45% 55%; }
.ring-a { border: 1px solid color-mix(in srgb, var(--state) 28%, transparent); animation: drift 13s linear infinite; }
.ring-b { inset: 13%; border: 1px dashed color-mix(in srgb, var(--state) 24%, transparent); animation: drift 17s linear infinite reverse; }
.portal-core { inset: 30%; display: grid; place-items: center; background: radial-gradient(circle, color-mix(in srgb, var(--state) 28%, transparent), transparent 67%); box-shadow: 0 0 95px color-mix(in srgb, var(--state) 10%, transparent); }
.portal-core i { width: 12px; height: 12px; background: var(--state); box-shadow: 0 0 26px var(--state), 0 0 70px var(--state); transform: rotate(45deg); animation: breathe 2.8s ease-in-out infinite; }

.telemetry {
  width: min(100%, 720px);
  padding: clamp(29px, 4vw, 53px);
  border: 1px solid rgba(240, 238, 229, .2);
  background: linear-gradient(145deg, rgba(6, 11, 8, .91), rgba(8, 15, 11, .72));
  box-shadow: 22px 22px 0 rgba(0,0,0,.2), inset 0 1px 0 rgba(255,255,255,.04);
  backdrop-filter: blur(12px);
  clip-path: polygon(0 0, calc(100% - 24px) 0, 100% 24px, 100% 100%, 24px 100%, 0 calc(100% - 24px));
}

.telemetry-head { display: flex; align-items: center; justify-content: space-between; gap: 20px; }
.telemetry-head p, .telemetry-head span { margin: 0; font-family: var(--pixel); font-size: 8px; letter-spacing: .13em; text-transform: uppercase; }
.telemetry-head p { color: var(--muted); }
.telemetry-head span { color: var(--zec); }

.height {
  min-height: 120px;
  margin: 16px 0 28px;
  color: var(--ink);
  font-family: var(--display);
  font-size: clamp(86px, 10vw, 150px);
  line-height: .78;
  letter-spacing: -.025em;
  white-space: nowrap;
  text-shadow: 6px 7px 0 rgba(199,240,75,.07);
}

.metrics {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border: 1px solid var(--line);
  border-width: 1px 0;
}

.metrics > div { padding: 22px 15px 23px 0; }
.metrics > div + div { padding-left: 15px; border-left: 1px solid var(--line); }
.metrics span { display: block; margin-bottom: 11px; color: var(--dim); font-family: var(--pixel); font-size: 9px; text-transform: uppercase; letter-spacing: .07em; line-height: 1.5; }
.metrics strong { color: var(--ink); font-size: clamp(19px, 1.9vw, 25px); font-weight: 600; white-space: nowrap; font-variant-numeric: tabular-nums; letter-spacing: -.01em; }
.metrics b { color: var(--state); font-weight: 600; }

.tip-card { margin-top: 28px; padding: 18px 20px; background: rgba(0,0,0,.25); border-left: 2px solid var(--state); }
.tip-heading { display: flex; justify-content: space-between; gap: 16px; align-items: center; }
.tip-heading span { color: var(--muted); font-family: var(--pixel); font-size: 7px; text-transform: uppercase; letter-spacing: .11em; }
.tip-heading button { border: 0; padding: 0; color: var(--state); background: none; font-family: var(--pixel); font-size: 7px; text-transform: uppercase; cursor: pointer; }
.tip-card code { display: block; overflow: hidden; margin-top: 12px; color: #d7d8d2; font: 500 clamp(10px, 1.05vw, 13px)/1.4 "DM Sans", sans-serif; letter-spacing: .055em; white-space: nowrap; text-overflow: ellipsis; }

.refresh { margin-top: 23px; display: grid; grid-template-columns: 1fr auto; align-items: center; gap: 16px; }
.refresh > div { height: 2px; overflow: hidden; background: rgba(240,238,229,.09); }
.refresh i { display: block; width: 100%; height: 100%; transform: scaleX(0); transform-origin: left; background: var(--state); box-shadow: 0 0 8px var(--state); }
.refresh span { color: var(--dim); font-family: var(--pixel); font-size: 7px; text-transform: uppercase; letter-spacing: .08em; }

footer {
  position: relative;
  z-index: 10;
  background: linear-gradient(0deg, rgba(3, 7, 5, .9), rgba(3, 7, 5, .42));
  backdrop-filter: blur(3px);
  min-height: 68px;
  padding: 0 clamp(22px, 4vw, 64px);
  border-top: 1px solid var(--line);
  display: grid;
  grid-template-columns: repeat(3, auto) 1fr;
  align-items: center;
  gap: clamp(15px, 3vw, 48px);
}

footer p, footer a { margin: 0; color: var(--muted); font-family: var(--pixel); font-size: 7px; text-transform: uppercase; letter-spacing: .08em; text-decoration: none; }
footer p span { color: var(--state); margin-right: 7px; }
footer a { justify-self: end; color: var(--ink); }

.visually-hidden { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }

@keyframes grain { 0%,100% { transform: translate(0); } 25% { transform: translate(2%,-3%); } 50% { transform: translate(-3%,2%); } 75% { transform: translate(3%,3%); } }
@keyframes ping { 0% { transform: scale(.72); opacity: .42; } 75%,100% { transform: scale(1.35); opacity: 0; } }
@keyframes drift { to { transform: rotate(360deg); } }
@keyframes breathe { 50% { transform: rotate(45deg) scale(1.5); opacity: .7; } }

@media (max-width: 1050px) {
  main { grid-template-columns: 1fr; padding-top: 55px; }
  .signal-copy { max-width: 710px; }
  h1 { font-size: clamp(82px, 17vw, 145px); }
  .node-chamber { min-height: 610px; }
  .portal { width: min(73vw, 570px); }
  footer { grid-template-columns: repeat(3, 1fr); padding-block: 20px; }
  footer a { grid-column: 1 / -1; justify-self: start; }
}

@media (max-width: 680px) {
  .site-header { grid-template-columns: 1fr auto; min-height: 74px; }
  .header-coordinate { display: none; }
  .gate-state { font-size: 7px; }
  main { padding: 42px 18px 34px; gap: 44px; }
  h1 { font-size: clamp(76px, 27vw, 118px); }
  .premise, .access-rule { margin-left: 0; }
  .node-chamber { min-height: 530px; }
  .telemetry { padding: 28px 20px; clip-path: polygon(0 0, calc(100% - 15px) 0, 100% 15px, 100% 100%, 15px 100%, 0 calc(100% - 15px)); }
  .height { min-height: 78px; font-size: clamp(68px, 21vw, 103px); }
  .metrics { grid-template-columns: repeat(2, 1fr); }
  .metrics > div:nth-child(3) { border-left: 0; border-top: 1px solid var(--line); }
  .metrics > div:nth-child(4) { border-top: 1px solid var(--line); }
  .tip-card code { font-size: 10px; }
  footer { grid-template-columns: 1fr; gap: 11px; }
  footer a { grid-column: auto; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; scroll-behavior: auto !important; }
}