/* Lemon showcase — self-contained styles. No external assets, no CDN. */

:root {
  --bg: #08090a;
  --bg-alt: #0b0d0e;
  --panel: #101314;
  --panel-2: #151819;
  --line: #23282a;
  --line-soft: #1a1e1f;

  --text: #e9ece9;
  --text-2: #a8b0ad;
  --text-3: #6f7874;

  --lemon: #f2c93b;
  --lemon-bright: #ffe066;
  --lemon-dim: #b8952a;
  --lemon-ink: #1a1505;
  --green: #5ec98a;
  --amber: #d99a3f;
  --red: #d96b5c;
  --blue: #6aa9d9;

  --r: 10px;
  --r-lg: 16px;
  --mono:
    ui-monospace, "SF Mono", "JetBrains Mono", "Cascadia Mono", Menlo, Consolas,
    monospace;
  --sans:
    ui-sans-serif, system-ui, -apple-system, "Segoe UI", Inter, Roboto,
    Helvetica, Arial, sans-serif;
  --maxw: 1160px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 84px;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

/* subtle grid + noise texture */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  background-image:
    linear-gradient(to right, rgba(255, 255, 255, 0.022) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255, 255, 255, 0.022) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(
    ellipse 120% 80% at 50% 0%,
    #000 20%,
    transparent 78%
  );
  -webkit-mask-image: radial-gradient(
    ellipse 120% 80% at 50% 0%,
    #000 20%,
    transparent 78%
  );
}
body::after {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  opacity: 0.16;
  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)' opacity='.5'/%3E%3C/svg%3E");
}

/* drifting aurora blobs behind the hero */
.aurora {
  position: absolute;
  inset: 0 0 auto;
  height: 120vh;
  overflow: hidden;
  pointer-events: none;
  z-index: 0;
}
.aurora i {
  position: absolute;
  border-radius: 50%;
  filter: blur(90px);
  opacity: 0.55;
  will-change: transform;
}
.aurora__a {
  width: 620px;
  height: 620px;
  left: -12%;
  top: -14%;
  background: radial-gradient(
    circle,
    rgba(242, 201, 59, 0.16),
    transparent 66%
  );
  animation: drift-a 26s ease-in-out infinite alternate;
}
.aurora__b {
  width: 480px;
  height: 480px;
  right: -8%;
  top: 4%;
  background: radial-gradient(
    circle,
    rgba(94, 201, 138, 0.1),
    transparent 66%
  );
  animation: drift-b 32s ease-in-out infinite alternate;
}
.aurora__c {
  width: 380px;
  height: 380px;
  left: 38%;
  top: 30%;
  background: radial-gradient(
    circle,
    rgba(106, 169, 217, 0.07),
    transparent 66%
  );
  animation: drift-c 38s ease-in-out infinite alternate;
}
@keyframes drift-a {
  to {
    transform: translate(90px, 60px) scale(1.12);
  }
}
@keyframes drift-b {
  to {
    transform: translate(-70px, 90px) scale(0.94);
  }
}
@keyframes drift-c {
  to {
    transform: translate(60px, -50px) scale(1.18);
  }
}

main,
header,
footer {
  position: relative;
  z-index: 1;
}

.wrap {
  width: 100%;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 24px;
}

h1,
h2,
h3 {
  line-height: 1.12;
  letter-spacing: -0.022em;
  margin: 0;
  font-weight: 600;
}
p {
  margin: 0;
}
a {
  color: inherit;
}
code {
  font-family: var(--mono);
  font-size: 0.92em;
}
.muted {
  color: var(--text-3);
}

:focus-visible {
  outline: 2px solid var(--lemon);
  outline-offset: 3px;
  border-radius: 4px;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: 99;
  background: var(--lemon);
  color: var(--lemon-ink);
  padding: 12px 18px;
  border-radius: 0 0 var(--r) 0;
  font-weight: 600;
}
.skip-link:focus {
  left: 0;
}

/* ── scroll reveal ─────────────────────────────────────── */
.reveal {
  --d: 0s;
}
.js .reveal {
  opacity: 0;
  transform: translateY(10px);
  transition:
    opacity 0.55s ease var(--d),
    transform 0.55s cubic-bezier(0.16, 1, 0.3, 1) var(--d);
}
.js .reveal.is-in {
  opacity: 1;
  transform: none;
}

/* ── nav ───────────────────────────────────────────────── */
.nav {
  position: sticky;
  top: 0;
  z-index: 40;
  background: color-mix(in srgb, var(--bg) 86%, transparent);
  backdrop-filter: saturate(140%) blur(10px);
  border-bottom: 1px solid var(--line-soft);
}
.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
  gap: 16px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  font-weight: 650;
  letter-spacing: -0.02em;
}
.brand__mark {
  color: var(--lemon);
  display: inline-flex;
  transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}
.brand:hover .brand__mark {
  transform: rotate(-14deg) scale(1.08);
}
.brand__name {
  font-size: 1.05rem;
}
.nav__links {
  display: flex;
  align-items: center;
  gap: 4px;
}
.nav__links a {
  text-decoration: none;
  color: var(--text-2);
  font-size: 0.92rem;
  padding: 10px 12px;
  border-radius: 8px;
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  position: relative;
}
.nav__links a:hover {
  color: var(--text);
  background: var(--panel);
}
.nav__links a.is-current {
  color: var(--lemon);
}
.nav__links a.is-current::after {
  content: "";
  position: absolute;
  left: 12px;
  right: 12px;
  bottom: 6px;
  height: 2px;
  border-radius: 2px;
  background: var(--lemon);
  opacity: 0.7;
}
.nav__gh {
  gap: 7px;
  border: 1px solid var(--line);
}

/* ── buttons ───────────────────────────────────────────── */
.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 22px;
  border-radius: var(--r);
  font-weight: 600;
  font-size: 0.96rem;
  text-decoration: none;
  border: 1px solid transparent;
  cursor: pointer;
  transition:
    transform 0.12s ease,
    box-shadow 0.16s ease,
    background-color 0.16s ease,
    border-color 0.16s ease;
}
.btn--primary {
  background: linear-gradient(180deg, var(--lemon-bright), var(--lemon));
  color: var(--lemon-ink);
  box-shadow: 0 0 0 0 rgba(242, 201, 59, 0);
}
.btn--primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 8px 30px -8px rgba(242, 201, 59, 0.55);
}
.btn--ghost {
  border-color: var(--line);
  color: var(--text);
  background: transparent;
}
.btn--ghost:hover {
  border-color: var(--lemon-dim);
  background: var(--panel);
  transform: translateY(-1px);
}

.eyebrow {
  font-family: var(--mono);
  font-size: 0.76rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-3);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 18px;
}
.dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 0 3px rgba(94, 201, 138, 0.14);
}

/* ── hero ──────────────────────────────────────────────── */
.hero {
  position: relative;
  padding: 96px 0 76px;
  overflow: visible;
}
.hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1.02fr) minmax(0, 1fr);
  gap: 56px;
  align-items: center;
  position: relative;
}
.hero__title {
  font-size: clamp(2.5rem, 5.6vw, 4.2rem);
}
.hero__title em {
  font-style: normal;
  color: var(--lemon);
}
.hero__title .glow {
  background: linear-gradient(92deg, var(--lemon-bright), var(--lemon) 60%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  text-shadow: 0 0 44px rgba(242, 201, 59, 0.28);
}
.hero__sub {
  margin-top: 22px;
  font-size: clamp(1.02rem, 1.5vw, 1.18rem);
  color: var(--text-2);
  max-width: 44ch;
}
.hero .cta-row {
  margin-top: 32px;
}
.hero__facts {
  list-style: none;
  margin: 40px 0 0;
  padding: 20px 0 0;
  border-top: 1px solid var(--line-soft);
  display: flex;
  flex-wrap: wrap;
  gap: 12px 30px;
  font-size: 0.88rem;
  color: var(--text-3);
  font-family: var(--mono);
}
.hero__facts strong {
  color: var(--lemon);
  font-weight: 600;
  font-variant-numeric: tabular-nums;
}
.hero__fade {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--line), transparent);
}

/* ── panels ────────────────────────────────────────────── */
.panel {
  background: linear-gradient(180deg, var(--panel), var(--bg-alt));
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  overflow: hidden;
  box-shadow:
    0 24px 60px -30px rgba(0, 0, 0, 0.9),
    inset 0 1px 0 rgba(255, 255, 255, 0.03);
}
.panel--runtime {
  position: relative;
}
.panel--runtime::before {
  content: "";
  position: absolute;
  inset: -1px;
  border-radius: inherit;
  padding: 1px;
  background: linear-gradient(
    140deg,
    rgba(242, 201, 59, 0.5),
    transparent 32%,
    transparent 68%,
    rgba(94, 201, 138, 0.35)
  );
  -webkit-mask:
    linear-gradient(#000 0 0) content-box,
    linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  pointer-events: none;
}
.tilt {
  transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}
.tilt:hover {
  transform: perspective(1100px) rotateX(1.4deg) rotateY(-2deg)
    translateY(-3px);
}
.panel__bar {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 11px 16px;
  border-bottom: 1px solid var(--line-soft);
  background: rgba(255, 255, 255, 0.015);
}
.panel__dots {
  display: inline-flex;
  gap: 5px;
  flex: none;
}
.panel__dots i {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--line);
}
.panel__dots i:first-child {
  background: rgba(217, 107, 92, 0.6);
}
.panel__dots i:nth-child(2) {
  background: rgba(217, 154, 63, 0.55);
}
.panel__dots i:last-child {
  background: rgba(94, 201, 138, 0.55);
}
.panel__title {
  font-family: var(--mono);
  font-size: 0.76rem;
  color: var(--text-3);
  letter-spacing: 0.04em;
  flex: 1;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.chip {
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-3);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 3px 9px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  white-space: nowrap;
}
.chip--live i {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--green);
  animation: pulse 2.4s ease-in-out infinite;
}
@keyframes pulse {
  0%,
  100% {
    opacity: 1;
  }
  50% {
    opacity: 0.25;
  }
}

.panel__body {
  padding: 18px 16px 16px;
}

/* supervision tree */
.sup__node {
  display: inline-flex;
  align-items: baseline;
  gap: 10px;
  font-family: var(--mono);
  font-size: 0.82rem;
  border: 1px solid var(--lemon-dim);
  color: var(--lemon);
  background: rgba(242, 201, 59, 0.06);
  border-radius: 8px;
  padding: 7px 12px;
}
.sup__strategy {
  color: var(--text-3);
  font-size: 0.72rem;
}
.sup__links {
  height: 16px;
  margin-left: 26px;
  border-left: 1px solid var(--line);
}

.procs {
  list-style: none;
  margin: 0 0 18px;
  padding: 0 0 0 26px;
  display: grid;
  gap: 7px;
}
.proc {
  position: relative;
  display: grid;
  /* fixed badge column: label changes must never resize the row */
  grid-template-columns: auto minmax(0, 1fr) 7.6rem;
  align-items: center;
  gap: 10px;
  font-family: var(--mono);
  font-size: 0.8rem;
  background: var(--panel-2);
  border: 1px solid var(--line-soft);
  border-radius: 8px;
  padding: 9px 12px;
  transition:
    border-color 0.3s ease,
    background-color 0.3s ease;
}
.proc::before {
  content: "";
  position: absolute;
  left: -14px;
  top: 50%;
  width: 13px;
  height: 1px;
  background: var(--line);
}
.proc__pid {
  color: var(--text-3);
}
.proc .badge {
  width: 100%;
  text-align: center;
  padding-left: 0;
  padding-right: 0;
}
.proc__name {
  color: var(--text);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.proc.is-down {
  border-color: rgba(217, 107, 92, 0.55);
  background: rgba(217, 107, 92, 0.07);
  animation: shake 0.4s ease;
}
.proc.is-restart {
  border-color: rgba(242, 201, 59, 0.5);
  background: rgba(242, 201, 59, 0.06);
}
@keyframes shake {
  25% {
    transform: translateX(-2px);
  }
  50% {
    transform: translateX(2px);
  }
  75% {
    transform: translateX(-1px);
  }
}

.badge {
  font-family: var(--mono);
  font-size: 0.66rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 3px 8px;
  border-radius: 999px;
  border: 1px solid;
  white-space: nowrap;
}
.badge--run {
  color: var(--green);
  border-color: rgba(94, 201, 138, 0.4);
  background: rgba(94, 201, 138, 0.08);
}
.badge--wait {
  color: var(--text-2);
  border-color: var(--line);
  background: rgba(255, 255, 255, 0.03);
}
.badge--down {
  color: var(--red);
  border-color: rgba(217, 107, 92, 0.45);
  background: rgba(217, 107, 92, 0.08);
}
.badge--restart {
  color: var(--lemon);
  border-color: rgba(242, 201, 59, 0.45);
  background: rgba(242, 201, 59, 0.08);
}
.badge--ok {
  color: var(--green);
  border-color: rgba(94, 201, 138, 0.4);
  background: rgba(94, 201, 138, 0.08);
}

/* event stream */
.stream {
  border-top: 1px solid var(--line-soft);
  padding-top: 12px;
}
.stream__head {
  font-family: var(--mono);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--text-3);
  display: flex;
  justify-content: space-between;
  gap: 8px;
  margin-bottom: 8px;
}
.stream__head span {
  text-transform: none;
  letter-spacing: 0.02em;
  opacity: 0.7;
}
.stream__list {
  list-style: none;
  margin: 0;
  padding: 0;
  font-family: var(--mono);
  font-size: 0.74rem;
  color: var(--text-2);
  height: 108px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  gap: 4px;
}
.stream__list li {
  display: flex;
  gap: 10px;
  animation: slidein 0.35s ease both;
}
.stream__list .t {
  color: var(--text-3);
  flex: none;
}
.stream__list .k {
  flex: none;
}
.stream__list .k--ok {
  color: var(--green);
}
.stream__list .k--warn {
  color: var(--amber);
}
.stream__list .k--err {
  color: var(--red);
}
.stream__list .k--sup {
  color: var(--lemon);
}
.stream__list .m {
  color: var(--text-2);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
@keyframes slidein {
  from {
    opacity: 0;
    transform: translateY(6px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

/* ── scenario ticker ───────────────────────────────────── */
.ticker {
  border-top: 1px solid var(--line-soft);
  border-bottom: 1px solid var(--line-soft);
  background: var(--bg-alt);
  overflow: hidden;
  padding: 13px 0;
  position: relative;
  /* reserve the row height so JS populating the track doesn't shift layout */
  min-height: 57px;
}
.ticker::before,
.ticker::after {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  width: 90px;
  z-index: 2;
  pointer-events: none;
}
.ticker::before {
  left: 0;
  background: linear-gradient(90deg, var(--bg-alt), transparent);
}
.ticker::after {
  right: 0;
  background: linear-gradient(-90deg, var(--bg-alt), transparent);
}
.ticker__track {
  display: flex;
  gap: 12px;
  width: max-content;
  animation: marquee 46s linear infinite;
  font-family: var(--mono);
  font-size: 0.76rem;
  color: var(--text-3);
}
.ticker:hover .ticker__track {
  animation-play-state: paused;
}
.ticker__item {
  border: 1px solid var(--line-soft);
  border-radius: 999px;
  padding: 4px 13px;
  white-space: nowrap;
  background: var(--panel);
  transition: color 0.2s ease, border-color 0.2s ease;
}
.ticker__item:hover {
  color: var(--lemon);
  border-color: var(--lemon-dim);
}
@keyframes marquee {
  to {
    transform: translateX(-50%);
  }
}

/* ── sections ──────────────────────────────────────────── */
.section {
  padding: 96px 0;
  border-top: 1px solid var(--line-soft);
}
.section--alt {
  background: var(--bg-alt);
}
.sec-head {
  max-width: 62ch;
  margin-bottom: 52px;
}
.sec-head h2 {
  font-size: clamp(1.85rem, 3.4vw, 2.6rem);
}
.sec-lede {
  margin-top: 18px;
  color: var(--text-2);
  font-size: 1.04rem;
}

/* steps */
.steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--line-soft);
  border: 1px solid var(--line-soft);
  border-radius: var(--r-lg);
  overflow: hidden;
}
.step {
  background: var(--bg);
  padding: 32px 28px;
  position: relative;
  transition: background-color 0.25s ease;
}
.step::after {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 2px;
  background: linear-gradient(180deg, var(--lemon), transparent);
  opacity: 0;
  transition: opacity 0.25s ease;
}
.step:hover {
  background: var(--panel);
}
.step:hover::after {
  opacity: 1;
}
.step__num {
  font-family: var(--mono);
  font-size: 0.78rem;
  color: var(--lemon);
  letter-spacing: 0.1em;
}
.step h3 {
  font-size: 1.22rem;
  margin: 14px 0 12px;
}
.step p {
  color: var(--text-2);
  font-size: 0.95rem;
}
.step__tag {
  margin-top: 16px !important;
  font-family: var(--mono);
  font-size: 0.72rem;
  color: var(--text-3) !important;
  letter-spacing: 0.06em;
}

/* tabs */
.tabs__list {
  display: inline-flex;
  gap: 4px;
  padding: 4px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--panel);
  margin-bottom: 28px;
}
.tab {
  font: inherit;
  font-size: 0.93rem;
  font-weight: 550;
  color: var(--text-2);
  background: transparent;
  border: 0;
  border-radius: 9px;
  cursor: pointer;
  min-height: 44px;
  padding: 0 20px;
  transition:
    background-color 0.16s ease,
    color 0.16s ease;
}
.tab:hover {
  color: var(--text);
}
.tab.is-active {
  background: var(--lemon);
  color: var(--lemon-ink);
}
.tabs__pane[hidden] {
  display: none;
}
.tabs__pane {
  animation: fade 0.3s ease both;
}
@keyframes fade {
  from {
    opacity: 0;
    transform: translateY(8px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

.mode {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 48px;
  align-items: center;
}
.mode h3 {
  font-size: 1.4rem;
  margin-bottom: 14px;
}
.mode p {
  color: var(--text-2);
}
.ticks {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
}
.ticks li {
  position: relative;
  padding-left: 26px;
  color: var(--text-2);
  font-size: 0.95rem;
}
.ticks li::before {
  content: "";
  position: absolute;
  left: 4px;
  top: 0.55em;
  width: 9px;
  height: 5px;
  border-left: 1.6px solid var(--lemon);
  border-bottom: 1.6px solid var(--lemon);
  transform: rotate(-45deg);
}
.note {
  margin-top: 22px;
  font-size: 0.88rem;
  color: var(--text-3);
  border-left: 2px solid var(--line);
  padding-left: 14px;
}

/* topology */
.topo {
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  padding: 22px 20px;
  background: linear-gradient(180deg, var(--panel), var(--bg-alt));
  font-family: var(--mono);
  font-size: 0.78rem;
}
.topo__box {
  border: 1px dashed var(--line);
  border-radius: var(--r);
  padding: 18px 14px 14px;
  position: relative;
}
.topo__label {
  position: absolute;
  top: -9px;
  left: 12px;
  background: var(--panel-2);
  padding: 0 8px;
  font-size: 0.66rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-3);
}
.topo__row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: center;
}
.topo__row--remote {
  margin-bottom: 0;
}
.node {
  border: 1px solid var(--line);
  border-radius: 7px;
  padding: 7px 11px;
  background: var(--panel-2);
  color: var(--text-2);
  white-space: nowrap;
}
.node--core {
  border-color: var(--lemon-dim);
  color: var(--lemon);
  background: rgba(242, 201, 59, 0.07);
  font-weight: 600;
}
.node--gate {
  border-color: var(--line);
  color: var(--text);
}
.node--agent {
  border-color: rgba(94, 201, 138, 0.35);
  color: var(--green);
  background: rgba(94, 201, 138, 0.06);
}
.topo__wire {
  height: 20px;
  margin: 0 auto;
  width: 1px;
  background: linear-gradient(180deg, var(--line), var(--lemon-dim));
}
.topo__wire--long {
  height: 30px;
}
.topo__out {
  margin-top: 14px;
  text-align: center;
  color: var(--text-3);
}
.topo__arrow {
  display: inline-block;
  width: 22px;
  height: 1px;
  background: var(--line);
  vertical-align: middle;
  margin-right: 6px;
}

/* phases */
.phases {
  list-style: none;
  margin: 0 0 40px;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
}
.phases li {
  border: 1px solid var(--line-soft);
  border-top: 2px solid var(--lemon-dim);
  border-radius: 0 0 var(--r) var(--r);
  padding: 16px 16px 18px;
  background: var(--panel);
  transition: transform 0.2s ease, border-color 0.2s ease;
}
.phases li:hover {
  transform: translateY(-3px);
  border-top-color: var(--lemon);
}
.phases__k {
  display: block;
  font-family: var(--mono);
  font-size: 0.78rem;
  color: var(--lemon);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 8px;
}
.phases__v {
  color: var(--text-2);
  font-size: 0.9rem;
}

/* arena domain switcher */
.arena-switch {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 16px;
}
.pill {
  font-family: var(--mono);
  font-size: 0.8rem;
  color: var(--text-2);
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 999px;
  min-height: 40px;
  padding: 0 18px;
  cursor: pointer;
  transition:
    background-color 0.16s ease,
    color 0.16s ease,
    border-color 0.16s ease;
}
.pill:hover {
  color: var(--text);
  border-color: var(--lemon-dim);
}
.pill.is-active {
  background: rgba(242, 201, 59, 0.12);
  border-color: var(--lemon-dim);
  color: var(--lemon);
}

/* arena */
.arena {
  display: grid;
  grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr);
  gap: 1px;
  background: var(--line-soft);
}
.arena__feed,
.arena__side {
  background: var(--bg-alt);
  padding: 16px;
}
.arena__head {
  font-family: var(--mono);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--text-3);
  margin-bottom: 12px;
}
.feed {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 8px;
  min-height: 300px;
  align-content: end;
}
.feed li {
  display: grid;
  grid-template-columns: auto auto minmax(0, 1fr);
  gap: 10px;
  align-items: baseline;
  font-family: var(--mono);
  font-size: 0.76rem;
  border-left: 2px solid var(--line);
  padding: 5px 0 5px 12px;
  animation: slidein 0.35s ease both;
}
.feed .who {
  color: var(--lemon);
}
.feed .act {
  color: var(--text-3);
}
.feed .txt {
  color: var(--text-2);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.feed li.is-sup {
  border-left-color: var(--lemon);
}
.feed li.is-err {
  border-left-color: var(--red);
}
.feed li.is-ok {
  border-left-color: var(--green);
}

.lb {
  width: 100%;
  border-collapse: collapse;
  font-family: var(--mono);
  font-size: 0.78rem;
  margin-bottom: 22px;
}
.lb th {
  text-align: left;
  font-weight: 500;
  color: var(--text-3);
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--line-soft);
}
.lb td {
  padding: 8px 0;
  border-bottom: 1px solid var(--line-soft);
  color: var(--text-2);
}
.lb tbody tr:first-child td {
  color: var(--lemon);
}

.verify {
  border: 1px solid var(--line-soft);
  border-radius: var(--r);
  padding: 14px;
  background: var(--panel);
}
.verify__head {
  font-family: var(--mono);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--text-3);
  margin-bottom: 12px;
}
.verify__row {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--mono);
  font-size: 0.76rem;
  color: var(--text-2);
  margin-bottom: 8px;
}
.verify__hash {
  display: block;
  margin-top: 10px;
  font-size: 0.72rem;
  color: var(--text-3);
}
.verify__hash .muted {
  margin-left: 6px;
}

.fineprint {
  margin-top: 18px;
  font-size: 0.84rem;
  color: var(--text-3);
}

/* ── code section ──────────────────────────────────────── */
.code-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 20px;
}
.panel--code {
  display: flex;
  flex-direction: column;
}
.codeblock {
  margin: 0;
  padding: 20px 18px;
  overflow-x: auto;
  font-family: var(--mono);
  font-size: 0.8rem;
  line-height: 1.85;
  color: var(--text-2);
  flex: 1;
}
.codeblock .c {
  color: var(--text-3);
  font-style: italic;
}
.codeblock .k {
  color: var(--lemon);
}
.codeblock .m {
  color: var(--blue);
}
.codeblock .a {
  color: var(--green);
}
.codeblock .o {
  color: var(--amber);
}
.codeblock .p {
  color: var(--text-3);
  user-select: none;
}
.codeblock .f {
  color: var(--blue);
}
.codeblock .ok {
  color: var(--green);
}

.engines {
  margin-top: 26px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px 16px;
  border: 1px dashed var(--line);
  border-radius: var(--r-lg);
  padding: 16px 20px;
  font-family: var(--mono);
  font-size: 0.78rem;
}
.engines__label {
  color: var(--text-3);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-size: 0.68rem;
}
.engines__items {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.engines__note {
  color: var(--text-3);
  margin-left: auto;
}

/* beam map */
.map {
  border: 1px solid var(--line-soft);
  border-radius: var(--r-lg);
  overflow: hidden;
}
.map__row {
  display: grid;
  grid-template-columns: 240px 40px minmax(0, 1fr);
  align-items: center;
  gap: 0;
  padding: 18px 22px;
  border-bottom: 1px solid var(--line-soft);
  background: var(--bg);
  transition: background-color 0.18s ease;
}
.map__row:last-child {
  border-bottom: 0;
}
.map__row:hover {
  background: var(--panel);
}
.map__impl {
  font-family: var(--mono);
  font-size: 0.84rem;
  color: var(--lemon);
}
.map__arrow {
  height: 1px;
  background: linear-gradient(90deg, var(--lemon-dim), var(--line));
  position: relative;
}
.map__arrow::after {
  content: "";
  position: absolute;
  right: 0;
  top: -3px;
  border-left: 5px solid var(--line);
  border-top: 3.5px solid transparent;
  border-bottom: 3.5px solid transparent;
}
.map__out {
  color: var(--text-2);
  font-size: 0.96rem;
  padding-left: 22px;
}
.map__out strong {
  color: var(--text);
  font-weight: 600;
}

/* architecture */
.arch {
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  padding: 28px 24px;
  background: linear-gradient(180deg, var(--panel), var(--bg-alt));
}
.arch__layer {
  display: grid;
  grid-template-columns: 200px minmax(0, 1fr);
  gap: 20px;
  align-items: center;
}
.arch__k {
  font-family: var(--mono);
  font-size: 0.74rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--text-3);
}
.arch__items {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.arch__items span {
  font-family: var(--mono);
  font-size: 0.78rem;
  color: var(--text-2);
  border: 1px solid var(--line);
  border-radius: 7px;
  padding: 8px 12px;
  background: var(--panel-2);
  transition: border-color 0.2s ease, color 0.2s ease;
}
.arch__items span:hover {
  border-color: var(--lemon-dim);
  color: var(--text);
}
.arch__layer--core .arch__k {
  color: var(--lemon);
}
.arch__items .is-agent {
  border-color: rgba(94, 201, 138, 0.35);
  color: var(--green);
  background: rgba(94, 201, 138, 0.06);
}
.arch__pipe {
  height: 26px;
  margin-left: 100px;
  width: 1px;
  background: linear-gradient(180deg, var(--line), var(--lemon-dim));
}

/* evidence */
.ev {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}
.ev__card {
  border: 1px solid var(--line-soft);
  border-radius: var(--r-lg);
  padding: 26px 22px;
  background: var(--bg);
  position: relative;
  transition:
    transform 0.22s ease,
    border-color 0.22s ease,
    box-shadow 0.22s ease;
}
.ev__card:hover {
  transform: translateY(-4px);
  border-color: var(--lemon-dim);
  box-shadow: 0 18px 44px -24px rgba(242, 201, 59, 0.28);
}
.ev__card--wide {
  grid-column: 1 / -1;
}
.ev__n {
  font-size: 2.6rem;
  font-weight: 600;
  color: var(--lemon);
  letter-spacing: -0.03em;
  line-height: 1;
  font-variant-numeric: tabular-nums;
}
.ev__n--word {
  font-size: 1.5rem;
  font-family: var(--mono);
  letter-spacing: -0.01em;
}
.ev__card h3 {
  font-size: 1rem;
  margin: 12px 0 10px;
}
.ev__card p {
  color: var(--text-2);
  font-size: 0.92rem;
}
.ev__card p strong {
  color: var(--lemon);
  font-variant-numeric: tabular-nums;
}
.ev__card code {
  color: var(--lemon-dim);
}

/* closer + footer */
.closer {
  padding: 110px 0;
  border-top: 1px solid var(--line-soft);
  text-align: center;
  position: relative;
  overflow: hidden;
}
.closer::before {
  content: "";
  position: absolute;
  inset: auto 0 -60%;
  height: 120%;
  background: radial-gradient(
    ellipse 60% 70% at 50% 100%,
    rgba(242, 201, 59, 0.1),
    transparent 70%
  );
  pointer-events: none;
}
.closer h2 {
  font-size: clamp(1.8rem, 3.4vw, 2.7rem);
  max-width: 22ch;
  margin: 0 auto 32px;
}
.closer h2 em {
  font-style: normal;
  color: var(--lemon);
}
.closer .cta-row {
  justify-content: center;
  position: relative;
}

.foot {
  border-top: 1px solid var(--line-soft);
  padding: 32px 0;
  background: var(--bg-alt);
}
.foot__inner {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  justify-content: space-between;
  align-items: center;
  font-size: 0.88rem;
  color: var(--text-2);
}
.foot__links {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 20px;
}
.foot__links a {
  color: var(--lemon);
  text-decoration: none;
  min-height: 44px;
  display: inline-flex;
  align-items: center;
}
.foot__links a:hover {
  text-decoration: underline;
}

/* ── responsive ────────────────────────────────────────── */
@media (max-width: 1000px) {
  .hero__grid {
    grid-template-columns: 1fr;
    gap: 44px;
  }
  .steps {
    grid-template-columns: 1fr;
  }
  .mode {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .phases {
    grid-template-columns: repeat(2, 1fr);
  }
  .arena {
    grid-template-columns: 1fr;
  }
  .code-grid {
    grid-template-columns: 1fr;
  }
  .ev {
    grid-template-columns: repeat(2, 1fr);
  }
  .map__row {
    grid-template-columns: 1fr;
    gap: 10px;
    padding: 20px;
  }
  .map__arrow {
    display: none;
  }
  .map__out {
    padding-left: 0;
  }
  .arch__layer {
    grid-template-columns: 1fr;
    gap: 10px;
  }
  .arch__pipe {
    margin-left: 8px;
  }
  .engines__note {
    margin-left: 0;
  }
}

@media (max-width: 620px) {
  .hero {
    padding: 56px 0 48px;
  }
  .section {
    padding: 68px 0;
  }
  .nav__links a {
    padding: 10px 9px;
    font-size: 0.88rem;
  }
  .nav__gh span {
    display: none;
  }
  .phases,
  .ev {
    grid-template-columns: 1fr;
  }
  .btn {
    width: 100%;
  }
  .cta-row {
    flex-direction: column;
    align-items: stretch;
  }
  .tabs__list {
    display: flex;
    width: 100%;
  }
  .tab {
    flex: 1;
    padding: 0 10px;
  }
  .feed li {
    grid-template-columns: auto minmax(0, 1fr);
  }
  .feed .act {
    display: none;
  }
  .proc {
    grid-template-columns: minmax(0, 1fr) 7.6rem;
  }
  .proc__pid {
    display: none;
  }
  .panel__dots {
    display: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  .aurora i,
  .ticker__track {
    animation: none !important;
  }
  .js .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }
  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
}