/* ============================================================
   Kitesurf — a browser for machines
   Art direction: wind, water, lift, ephemerality.
   Deep-sea night palette, sea-foam aqua, kite coral.
   ============================================================ */

:root {
  --abyss: #040e17;
  --abyss-2: #061523;
  --surface: rgba(148, 210, 224, 0.045);
  --surface-2: rgba(148, 210, 224, 0.08);
  --line: rgba(151, 210, 220, 0.14);
  --line-soft: rgba(151, 210, 220, 0.08);
  --ink: #e9f4f3;
  --ink-dim: rgba(233, 244, 243, 0.62);
  --ink-faint: rgba(233, 244, 243, 0.38);
  --aqua: #6ef3d6;
  --aqua-dim: rgba(110, 243, 214, 0.14);
  --coral: #ffa26b;
  --coral-dim: rgba(255, 162, 107, 0.12);
  --font-display: "Space Grotesk", "Inter", system-ui, sans-serif;
  --font-body: "Inter", system-ui, -apple-system, sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, "SF Mono", Menlo, monospace;
  --ease-wind: cubic-bezier(0.22, 1, 0.36, 1);
  --ease-snap: cubic-bezier(0.34, 1.56, 0.64, 1);
  --maxw: 1180px;
  --pad: clamp(1.25rem, 4vw, 3rem);
}

*, *::before, *::after { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: 5.5rem;
}

body {
  margin: 0;
  background: var(--abyss);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

::selection { background: rgba(110, 243, 214, 0.28); color: #f4fffc; }

a { color: var(--aqua); text-decoration: none; }
a:focus-visible, button:focus-visible {
  outline: 2px solid var(--aqua);
  outline-offset: 3px;
  border-radius: 4px;
}

/* ---------- shared ---------- */

.reveal {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity 0.9s var(--ease-wind), transform 0.9s var(--ease-wind);
  transition-delay: var(--d, 0s);
  will-change: opacity, transform;
}
.reveal.revealed { opacity: 1; transform: none; }

.eyebrow {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--ink-faint);
  display: flex;
  align-items: center;
  gap: 0.75em;
  margin: 0 0 1.4rem;
}
.eyebrow__num {
  color: var(--aqua);
  border: 1px solid var(--line);
  padding: 0.15em 0.55em;
  border-radius: 3px;
  background: var(--surface);
}

.accent-aqua { color: var(--aqua); font-style: normal; }
.accent-coral { color: var(--coral); font-style: normal; }

.pulse-dot {
  display: inline-block;
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--aqua);
  box-shadow: 0 0 0 0 rgba(110, 243, 214, 0.5);
  animation: pulse 2.6s var(--ease-wind) infinite;
}
@keyframes pulse {
  0% { box-shadow: 0 0 0 0 rgba(110, 243, 214, 0.45); }
  70% { box-shadow: 0 0 0 9px rgba(110, 243, 214, 0); }
  100% { box-shadow: 0 0 0 0 rgba(110, 243, 214, 0); }
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5em;
  font-family: var(--font-display);
  font-weight: 500;
  border-radius: 999px;
  border: 1px solid transparent;
  cursor: pointer;
  white-space: nowrap;
  transition: transform 0.35s var(--ease-snap), background 0.35s var(--ease-wind),
              border-color 0.35s var(--ease-wind), box-shadow 0.35s var(--ease-wind), color 0.35s var(--ease-wind);
}
.btn--lg { padding: 0.95em 1.7em; font-size: 1rem; }
.btn--sm { padding: 0.55em 1.1em; font-size: 0.85rem; }
.btn--primary {
  background: var(--aqua);
  color: #04241c;
  box-shadow: 0 0 0 0 rgba(110, 243, 214, 0);
}
.btn--primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 34px -8px rgba(110, 243, 214, 0.45);
  background: #8bf7df;
}
.btn--primary:active { transform: translateY(0); }
.btn--ghost {
  border-color: var(--line);
  color: var(--ink);
  background: var(--surface);
  backdrop-filter: blur(8px);
}
.btn--ghost:hover {
  border-color: rgba(110, 243, 214, 0.5);
  color: var(--aqua);
  transform: translateY(-2px);
}
.btn--ghost:active { transform: translateY(0); }

.kite-mark { width: 26px; height: 26px; color: var(--aqua); flex: none; }
.kite-tail { stroke-dasharray: 12; stroke-dashoffset: 12; animation: tail 4s var(--ease-wind) infinite; }
@keyframes tail { 0%,100% { stroke-dashoffset: 12; } 50% { stroke-dashoffset: 0; } }

/* ---------- nav ---------- */

.nav {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.85rem var(--pad);
  border-bottom: 1px solid transparent;
  transition: background 0.5s var(--ease-wind), border-color 0.5s var(--ease-wind),
              backdrop-filter 0.5s var(--ease-wind);
}
.nav.is-scrolled {
  background: rgba(4, 14, 23, 0.72);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom-color: var(--line-soft);
}
.nav__brand {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  color: var(--ink);
}
.nav__word {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 1.12rem;
  letter-spacing: 0.01em;
}
.nav__beta {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--coral);
  border: 1px solid rgba(255, 162, 107, 0.35);
  background: var(--coral-dim);
  padding: 0.2em 0.6em;
  border-radius: 999px;
}
.nav__links { display: flex; gap: 1.6rem; }
.nav__links a {
  color: var(--ink-dim);
  font-size: 0.9rem;
  position: relative;
  padding: 0.2em 0;
  transition: color 0.3s var(--ease-wind);
}
.nav__links a::after {
  content: "";
  position: absolute;
  left: 0; right: 100%; bottom: -2px;
  height: 1px;
  background: var(--aqua);
  transition: right 0.45s var(--ease-wind);
}
.nav__links a:hover, .nav__links a.is-active { color: var(--ink); }
.nav__links a:hover::after, .nav__links a.is-active::after { right: 0; }
.nav__actions { display: flex; gap: 0.6rem; align-items: center; }

/* ---------- hero ---------- */

.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  overflow: hidden;
  padding: 7rem var(--pad) 5rem;
}
.hero__canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}
.hero__grain {
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: 0.5;
  mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2'/%3E%3CfeColorMatrix type='saturate' values='0'/%3E%3C/filter%3E%3Crect width='160' height='160' filter='url(%23n)' opacity='0.35'/%3E%3C/svg%3E");
}
.hero::after {
  /* sea glow rising from below — lift, not a blob */
  content: "";
  position: absolute;
  inset: auto 0 0 0;
  height: 42%;
  background: linear-gradient(to top, rgba(16, 64, 74, 0.35), transparent);
  pointer-events: none;
}
.hero__inner {
  position: relative;
  z-index: 2;
  max-width: var(--maxw);
  margin: 0 auto;
  width: 100%;
}
.hero__eyebrow {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-dim);
  display: flex;
  align-items: center;
  gap: 0.8em;
  margin: 0 0 2rem;
}
.hero__title {
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(2.7rem, 7.2vw, 5.6rem);
  line-height: 1.04;
  letter-spacing: -0.025em;
  margin: 0 0 1.8rem;
  max-width: 14ch;
}
.hero__title span { display: block; }
.hero__title em { font-style: normal; }
.hero__sub {
  max-width: 56ch;
  color: var(--ink-dim);
  font-size: clamp(1rem, 1.4vw, 1.15rem);
  margin: 0 0 2.4rem;
}
.hero__cta { display: flex; gap: 0.9rem; flex-wrap: wrap; margin-bottom: 3rem; }

.hero__ticker {
  display: inline-flex;
  align-items: center;
  gap: 0.9em;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--ink-dim);
  border: 1px solid var(--line);
  background: rgba(4, 14, 23, 0.55);
  backdrop-filter: blur(10px);
  padding: 0.7em 1.1em;
  border-radius: 8px;
  max-width: 100%;
}
.hero__ticker-label {
  color: var(--aqua);
  font-size: 0.68rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  border-right: 1px solid var(--line);
  padding-right: 0.9em;
  flex: none;
}
.hero__ticker code { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.hero__ticker-caret {
  width: 7px; height: 15px;
  background: var(--aqua);
  animation: caret 1s steps(1) infinite;
  flex: none;
}
@keyframes caret { 0%, 49% { opacity: 1; } 50%, 100% { opacity: 0; } }

.hero__scrollcue {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.7rem;
  color: var(--ink-faint);
}
.hero__scrollcue-line {
  width: 1px; height: 52px;
  background: linear-gradient(var(--aqua), transparent);
  position: relative;
  overflow: hidden;
}
.hero__scrollcue-line::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(transparent, var(--ink));
  animation: cue 2.2s var(--ease-wind) infinite;
}
@keyframes cue {
  0% { transform: translateY(-100%); }
  60%, 100% { transform: translateY(100%); }
}
.hero__scrollcue-text {
  font-family: var(--font-mono);
  font-size: 0.66rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
}
.hero__scrollcue:hover { color: var(--aqua); }

/* ---------- sections ---------- */

.section {
  position: relative;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: clamp(5rem, 11vw, 9rem) var(--pad);
}
.section::before {
  content: "";
  position: absolute;
  top: 0; left: var(--pad); right: var(--pad);
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--line) 18%, var(--line) 82%, transparent);
}
.section__head { max-width: 44rem; margin-bottom: clamp(2.5rem, 6vw, 4.5rem); }
.section__title {
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(2rem, 4.6vw, 3.4rem);
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin: 0 0 1.3rem;
}
.section__title-code {
  font-family: var(--font-mono);
  font-size: 0.62em;
  color: var(--aqua);
  background: var(--aqua-dim);
  border: 1px solid rgba(110, 243, 214, 0.3);
  border-radius: 8px;
  padding: 0.12em 0.4em;
  vertical-align: middle;
  letter-spacing: 0;
  white-space: nowrap;
}
.section__lede { color: var(--ink-dim); font-size: clamp(1rem, 1.35vw, 1.12rem); margin: 0; }
.section__note {
  color: var(--ink-faint);
  font-size: 0.92rem;
  max-width: 60ch;
  margin: 2.5rem 0 0;
}

/* ---------- lifecycle ---------- */

.lifecycle {
  border: 1px solid var(--line);
  border-radius: 14px;
  background: linear-gradient(180deg, var(--surface), transparent);
  padding: clamp(1.4rem, 3vw, 2.4rem);
  overflow: hidden;
}
.lifecycle__track {
  position: relative;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  min-height: 148px;
}
.lifecycle__stage {
  border: 1px dashed var(--line);
  border-radius: 10px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-start;
  gap: 0.4rem;
  padding: 1rem;
  transition: border-color 0.6s var(--ease-wind), background 0.6s var(--ease-wind);
}
.lifecycle__stage.is-lit {
  border-color: rgba(110, 243, 214, 0.5);
  background: var(--aqua-dim);
}
.lifecycle__stage.is-lit[data-stage="vanish"] {
  border-color: rgba(255, 162, 107, 0.5);
  background: var(--coral-dim);
}
.lifecycle__label {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--ink-dim);
}
.lifecycle__time {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--ink-faint);
  transition: opacity 0.4s var(--ease-wind);
}
.lifecycle__stage.is-lit .lifecycle__time { opacity: 0; }
.lifecycle__engine {
  position: absolute;
  top: 50%;
  left: 0;
  transform: translate(-50%, -50%) scale(0.6);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.35rem;
  padding: 0.85rem 1.15rem;
  border: 1px solid var(--aqua);
  border-radius: 10px;
  background: rgba(6, 26, 32, 0.92);
  box-shadow: 0 0 30px -6px rgba(110, 243, 214, 0.35);
  opacity: 0;
  transition: left 0.9s var(--ease-wind), opacity 0.55s var(--ease-wind),
              transform 0.7s var(--ease-snap), box-shadow 0.6s var(--ease-wind);
  pointer-events: none;
  z-index: 2;
}
.lifecycle__engine-glyph { color: var(--aqua); font-size: 1.1rem; line-height: 1; }
.lifecycle__engine-name {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-dim);
}
.lifecycle__engine-bar {
  width: 76px; height: 3px;
  background: rgba(151, 210, 220, 0.15);
  border-radius: 2px;
  overflow: hidden;
}
.lifecycle__engine-bar i {
  display: block;
  height: 100%;
  width: 0%;
  background: var(--aqua);
  transition: width 1.5s linear;
}
/* engine states, driven by JS */
.lifecycle[data-phase="spawn"] .lifecycle__engine { opacity: 1; transform: translate(-50%, -50%) scale(1); left: 16.6%; }
.lifecycle[data-phase="work"] .lifecycle__engine { opacity: 1; transform: translate(-50%, -50%) scale(1); left: 50%; }
.lifecycle[data-phase="work"] .lifecycle__engine-bar i { width: 100%; }
.lifecycle[data-phase="vanish"] .lifecycle__engine {
  left: 83.4%;
  opacity: 0;
  transform: translate(-50%, -50%) scale(1.35);
  box-shadow: 0 0 60px -4px rgba(255, 162, 107, 0.5);
  transition: left 0.9s var(--ease-wind), opacity 1.1s var(--ease-wind) 0.35s,
              transform 1.3s var(--ease-wind) 0.3s, box-shadow 0.9s var(--ease-wind);
}

/* ---------- trade ---------- */

.trade {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(1.2rem, 3vw, 2.5rem);
  margin-top: clamp(2.5rem, 5vw, 4rem);
}
.trade__col {
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: clamp(1.4rem, 3vw, 2.2rem);
  background: var(--surface);
}
.trade__head {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 1.05rem;
  margin: 0 0 1.4rem;
}
.trade__head--kept { color: var(--aqua); }
.trade__head--cut { color: var(--ink-faint); }
.trade__list { list-style: none; margin: 0; padding: 0; }
.trade__list li {
  padding: 0.65em 0;
  border-top: 1px solid var(--line-soft);
  font-family: var(--font-mono);
  font-size: 0.95rem;
  display: flex;
  align-items: center;
  gap: 0.7em;
}
.trade__list--kept li::before {
  content: "→";
  color: var(--aqua);
  font-size: 0.85em;
}
.trade__list--cut li {
  color: var(--ink-faint);
  text-decoration: line-through;
  text-decoration-color: rgba(255, 162, 107, 0.6);
  text-decoration-thickness: 1px;
}
.trade__list--cut li::before {
  content: "✕";
  color: var(--coral);
  font-size: 0.8em;
  text-decoration: none;
}

/* ---------- burst simulator ---------- */

.burst {
  border: 1px solid var(--line);
  border-radius: 14px;
  background: linear-gradient(180deg, var(--surface), transparent);
  padding: clamp(1.2rem, 3vw, 2rem);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(1rem, 2.5vw, 1.8rem);
}
.burst__pane { min-width: 0; }
.burst__pane-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 0.8rem;
  flex-wrap: wrap;
  margin-bottom: 0.9rem;
}
.burst__engine { font-family: var(--font-display); font-weight: 500; font-size: 0.98rem; }
.burst__engine--kite { color: var(--aqua); }
.burst__engine--chromium { color: var(--ink-dim); }
.burst__stat {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  color: var(--ink-faint);
}
.burst__stat b { color: var(--ink); font-weight: 500; }
.burst__field {
  position: relative;
  min-height: 150px;
  border: 1px dashed var(--line);
  border-radius: 10px;
  background:
    repeating-linear-gradient(90deg, transparent 0 39px, var(--line-soft) 39px 40px),
    rgba(4, 14, 23, 0.4);
  overflow: hidden;
  display: flex;
  flex-wrap: wrap;
  align-content: flex-end;
  gap: 5px;
  padding: 8px;
}
.burst__block {
  width: 22px; height: 22px;
  border-radius: 4px;
  background: var(--aqua-dim);
  border: 1px solid rgba(110, 243, 214, 0.55);
  box-shadow: 0 0 12px -3px rgba(110, 243, 214, 0.5);
  opacity: 0;
  transform: scale(0.4);
  transition: opacity 0.3s var(--ease-wind), transform 0.45s var(--ease-snap);
}
.burst__block.is-alive { opacity: 1; transform: scale(1); }
.burst__block--resident {
  width: 52px; height: 52px;
  background: rgba(151, 210, 220, 0.07);
  border-color: rgba(151, 210, 220, 0.35);
  box-shadow: none;
  opacity: 1;
  transform: none;
}
.burst__field--static { align-content: center; justify-content: center; gap: 10px; }
.burst__caption {
  margin: 0.9rem 0 0;
  font-size: 0.85rem;
  color: var(--ink-faint);
}
.burst__caption b { color: var(--aqua); font-weight: 500; }
.burst__controls {
  grid-column: 1 / -1;
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
}
.burst__hint { font-size: 0.8rem; color: var(--ink-faint); font-family: var(--font-mono); }

/* ---------- performance explorer ---------- */

.perf {
  border: 1px solid var(--line);
  border-radius: 14px;
  background: linear-gradient(180deg, var(--surface), transparent);
  padding: clamp(1.2rem, 3vw, 2.2rem);
}
.perf__controls {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 2.2rem;
}
.seg {
  display: inline-flex;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 4px;
  background: rgba(4, 14, 23, 0.5);
  gap: 2px;
}
.seg__btn {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--ink-dim);
  background: transparent;
  border: 0;
  border-radius: 999px;
  padding: 0.5em 1.05em;
  cursor: pointer;
  transition: color 0.3s var(--ease-wind), background 0.35s var(--ease-wind);
}
.seg__btn:hover { color: var(--ink); }
.seg__btn.is-active {
  background: var(--aqua-dim);
  color: var(--aqua);
  box-shadow: inset 0 0 0 1px rgba(110, 243, 214, 0.35);
}
.perf__stage { position: relative; }
.perf__verdict {
  display: flex;
  align-items: baseline;
  gap: 0.9rem;
  flex-wrap: wrap;
  margin-bottom: 1.8rem;
}
.perf__multiplier {
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(3rem, 7vw, 5rem);
  line-height: 1;
  letter-spacing: -0.03em;
  color: var(--aqua);
  transition: color 0.5s var(--ease-wind);
}
.perf__multiplier.is-behind { color: var(--coral); }
.perf__verdict-text {
  font-family: var(--font-mono);
  font-size: 0.88rem;
  color: var(--ink-dim);
  max-width: 34ch;
}
.perf__bars { display: grid; gap: 1.15rem; }
.perf__row {
  display: grid;
  grid-template-columns: 190px 1fr 92px;
  align-items: center;
  gap: 1rem;
}
.perf__name {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 0.95rem;
  display: flex;
  align-items: center;
  gap: 0.55em;
  white-space: nowrap;
}
.perf__name i { color: var(--ink-faint); font-style: normal; font-size: 0.8em; font-family: var(--font-mono); }
.perf__dot { width: 9px; height: 9px; border-radius: 2px; flex: none; }
.perf__dot--kite { background: var(--aqua); transform: rotate(45deg); }
.perf__dot--chromium { background: rgba(151, 210, 220, 0.5); border-radius: 50%; }
.perf__barwrap {
  height: 30px;
  border-radius: 7px;
  background: rgba(4, 14, 23, 0.55);
  border: 1px solid var(--line-soft);
  overflow: hidden;
}
.perf__bar {
  height: 100%;
  width: 0%;
  border-radius: 7px 0 0 7px;
  transition: width 1.1s var(--ease-wind);
}
.perf__bar--kite {
  background: linear-gradient(90deg, rgba(110, 243, 214, 0.55), var(--aqua));
  box-shadow: 0 0 18px -2px rgba(110, 243, 214, 0.5);
}
.perf__bar--chromium {
  background: repeating-linear-gradient(
    -45deg,
    rgba(151, 210, 220, 0.22) 0 8px,
    rgba(151, 210, 220, 0.12) 8px 16px
  );
}
.perf__value {
  font-family: var(--font-mono);
  font-size: 0.88rem;
  color: var(--ink);
  text-align: right;
  white-space: nowrap;
}
.perf__note {
  margin: 1.8rem 0 0;
  font-size: 0.82rem;
  color: var(--ink-faint);
  font-family: var(--font-mono);
  border-top: 1px dashed var(--line);
  padding-top: 1.1rem;
}

/* ---------- WPT instrument panel ---------- */

.panel {
  border: 1px solid var(--line);
  border-radius: 14px;
  background:
    radial-gradient(120% 90% at 50% 0%, rgba(16, 64, 74, 0.22), transparent 60%),
    var(--abyss-2);
  padding: clamp(1.4rem, 3vw, 2.4rem);
  box-shadow: inset 0 1px 0 rgba(233, 244, 243, 0.04);
}
.panel__head {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 1.5rem;
  flex-wrap: wrap;
  padding-bottom: 1.6rem;
  border-bottom: 1px solid var(--line-soft);
  margin-bottom: 1.8rem;
}
.panel__big { display: flex; flex-direction: column; gap: 0.3rem; }
.panel__big-num {
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(2.6rem, 6vw, 4.4rem);
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--ink);
  font-variant-numeric: tabular-nums;
}
.panel__big-label {
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-faint);
}
.panel__status {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  color: var(--aqua);
  display: flex;
  align-items: center;
  gap: 0.7em;
  border: 1px solid rgba(110, 243, 214, 0.3);
  background: var(--aqua-dim);
  padding: 0.45em 0.9em;
  border-radius: 999px;
}
.panel__gauges {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: clamp(0.8rem, 2vw, 1.4rem);
}
.gauge {
  border: 1px solid var(--line-soft);
  border-radius: 10px;
  background: rgba(4, 14, 23, 0.5);
  padding: 1rem 0.8rem 0.9rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.35rem;
  transition: border-color 0.4s var(--ease-wind), transform 0.4s var(--ease-snap);
}
.gauge:hover { border-color: rgba(110, 243, 214, 0.4); transform: translateY(-3px); }
.gauge svg { width: 100%; max-width: 120px; height: auto; display: block; }
.gauge__arc-bg { stroke: rgba(151, 210, 220, 0.13); }
.gauge__arc {
  stroke: var(--aqua);
  stroke-linecap: round;
  filter: drop-shadow(0 0 5px rgba(110, 243, 214, 0.55));
  transition: stroke-dashoffset 1.6s var(--ease-wind);
}
.gauge--frontier .gauge__arc { stroke: var(--coral); filter: drop-shadow(0 0 5px rgba(255, 162, 107, 0.5)); }
.gauge__tick { stroke: rgba(151, 210, 220, 0.22); }
.gauge__pct {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 1.35rem;
  font-variant-numeric: tabular-nums;
}
.gauge__name {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-faint);
}
.panel__footnote {
  margin: 1.7rem 0 0;
  font-size: 0.84rem;
  color: var(--ink-faint);
}

.sites { margin-top: clamp(2rem, 4vw, 3rem); }
.sites__label {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--ink-faint);
  margin: 0 0 1rem;
}
.sites__list {
  list-style: none;
  margin: 0; padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
}
.sites__list li {
  display: inline-flex;
  align-items: center;
  gap: 0.6em;
  border: 1px solid var(--line);
  background: var(--surface);
  border-radius: 999px;
  padding: 0.55em 1.1em;
  font-family: var(--font-display);
  font-size: 0.92rem;
  transition: border-color 0.35s var(--ease-wind), transform 0.35s var(--ease-snap), color 0.35s;
}
.sites__list li::before {
  content: "✓";
  color: var(--aqua);
  font-size: 0.8em;
}
.sites__list li:hover { border-color: rgba(110, 243, 214, 0.5); transform: translateY(-2px); }
.sites__variants {
  color: var(--ink-faint);
  font-family: var(--font-mono);
  font-size: 0.72rem;
}

/* ---------- candor ---------- */

.candor__file {
  border: 1px solid rgba(255, 162, 107, 0.28);
  border-radius: 14px;
  background: linear-gradient(180deg, var(--coral-dim), transparent 40%);
  overflow: hidden;
}
.candor__file-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  padding: 0.95rem 1.4rem;
  border-bottom: 1px solid rgba(255, 162, 107, 0.2);
  font-family: var(--font-mono);
}
.candor__file-name { color: var(--coral); font-size: 0.85rem; letter-spacing: 0.06em; }
.candor__file-meta { color: var(--ink-faint); font-size: 0.72rem; letter-spacing: 0.14em; text-transform: uppercase; }
.candor__list { list-style: none; margin: 0; padding: 0; }
.candor__list li {
  display: flex;
  gap: 1.2rem;
  padding: 1.5rem 1.4rem;
  border-bottom: 1px solid var(--line-soft);
  transition: background 0.4s var(--ease-wind);
}
.candor__list li:hover { background: rgba(255, 162, 107, 0.05); }
.candor__x {
  color: var(--coral);
  font-size: 1rem;
  line-height: 1.7;
  flex: none;
  width: 1.4em;
  text-align: center;
}
.candor__list h3 {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 1.12rem;
  margin: 0 0 0.35rem;
}
.candor__list p { margin: 0; color: var(--ink-dim); font-size: 0.95rem; max-width: 62ch; }
.candor__footer {
  margin: 0;
  padding: 1.5rem 1.4rem;
  color: var(--ink-dim);
  font-size: 0.98rem;
}
.candor__footer b { color: var(--ink); font-weight: 500; }

/* ---------- code ---------- */

.codebox {
  border: 1px solid var(--line);
  border-radius: 14px;
  background: #050f18;
  overflow: hidden;
  box-shadow: 0 30px 80px -40px rgba(0, 0, 0, 0.8);
}
.codebox__tabs {
  display: flex;
  gap: 2px;
  padding: 6px;
  border-bottom: 1px solid var(--line-soft);
  background: rgba(148, 210, 224, 0.03);
  overflow-x: auto;
}
.codebox__tab {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--ink-faint);
  background: transparent;
  border: 0;
  border-radius: 8px;
  padding: 0.55em 1em;
  cursor: pointer;
  white-space: nowrap;
  transition: color 0.3s var(--ease-wind), background 0.3s var(--ease-wind);
}
.codebox__tab:hover { color: var(--ink); background: rgba(148, 210, 224, 0.06); }
.codebox__tab.is-active {
  color: var(--aqua);
  background: var(--aqua-dim);
  box-shadow: inset 0 0 0 1px rgba(110, 243, 214, 0.3);
}
.codebox__pane { display: none; }
.codebox__pane.is-active { display: block; animation: paneIn 0.5s var(--ease-wind); }
@keyframes paneIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: none; }
}
.codebox__chrome {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  padding: 0.7rem 1.1rem;
  border-bottom: 1px solid var(--line-soft);
}
.codebox__file {
  font-family: var(--font-mono);
  font-size: 0.76rem;
  color: var(--ink-faint);
}
.copy-btn {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.06em;
  color: var(--ink-dim);
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 7px;
  padding: 0.4em 0.95em;
  cursor: pointer;
  transition: color 0.3s, border-color 0.3s, background 0.3s, transform 0.25s var(--ease-snap);
}
.copy-btn:hover { color: var(--aqua); border-color: rgba(110, 243, 214, 0.45); transform: translateY(-1px); }
.copy-btn.is-copied {
  color: #04241c;
  background: var(--aqua);
  border-color: var(--aqua);
}
.code {
  margin: 0;
  padding: 1.3rem 1.4rem;
  overflow-x: auto;
  font-family: var(--font-mono);
  font-size: 0.86rem;
  line-height: 1.75;
  color: #cfe6e4;
  tab-size: 2;
}
.code code { font-family: inherit; }
.tok-cmd { color: var(--aqua); font-weight: 500; }
.tok-flag { color: #8fc7ff; }
.tok-str { color: #ffd9a8; }
.tok-kw { color: #c9a8ff; }
.tok-fn { color: var(--aqua); }
.tok-prop { color: #8fc7ff; }
.tok-com { color: rgba(233, 244, 243, 0.35); font-style: italic; }
.tok-hl {
  background: rgba(110, 243, 214, 0.16);
  color: var(--aqua);
  border-radius: 4px;
  padding: 0.06em 0.25em;
  box-shadow: inset 0 -1px 0 rgba(110, 243, 214, 0.6);
}
.codebox__caption {
  margin: 0;
  padding: 0.9rem 1.4rem 1.1rem;
  border-top: 1px solid var(--line-soft);
  font-size: 0.84rem;
  color: var(--ink-faint);
}
.codebox__caption code {
  font-family: var(--font-mono);
  color: var(--aqua);
  font-size: 0.92em;
}

/* ---------- CTA ---------- */

.cta {
  position: relative;
  text-align: center;
  padding: clamp(6rem, 13vw, 10rem) var(--pad);
  overflow: hidden;
}
.cta::before {
  content: "";
  position: absolute;
  inset: auto 0 0 0;
  height: 65%;
  background:
    linear-gradient(to top, rgba(16, 64, 74, 0.4), transparent),
    repeating-linear-gradient(90deg, transparent 0 79px, var(--line-soft) 79px 80px);
  mask-image: linear-gradient(to top, black, transparent);
  -webkit-mask-image: linear-gradient(to top, black, transparent);
  pointer-events: none;
}
.cta__inner { position: relative; max-width: 44rem; margin: 0 auto; }
.kite-mark--big {
  width: 54px; height: 54px;
  margin-bottom: 1.6rem;
  animation: hover-kite 5s var(--ease-wind) infinite;
}
@keyframes hover-kite {
  0%, 100% { transform: translateY(0) rotate(0deg); }
  50% { transform: translateY(-10px) rotate(4deg); }
}
.cta__title {
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(2.4rem, 6.4vw, 4.6rem);
  line-height: 1.06;
  letter-spacing: -0.025em;
  margin: 0 0 1.3rem;
}
.cta__sub { color: var(--ink-dim); margin: 0 auto 2.4rem; max-width: 46ch; }
.cta__actions { display: flex; justify-content: center; gap: 0.9rem; flex-wrap: wrap; }

/* ---------- footer ---------- */

.footer {
  border-top: 1px solid var(--line-soft);
  padding: 2.2rem var(--pad) 2.6rem;
}
.footer__inner {
  max-width: var(--maxw);
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1.2rem;
  flex-wrap: wrap;
}
.footer__brand { font-family: var(--font-display); font-size: 0.92rem; color: var(--ink-dim); }
.footer__links { display: flex; gap: 1.4rem; flex-wrap: wrap; }
.footer__links a { color: var(--ink-faint); font-size: 0.85rem; transition: color 0.3s; }
.footer__links a:hover { color: var(--aqua); }
.footer__note { font-family: var(--font-mono); font-size: 0.72rem; color: var(--ink-faint); }

/* ---------- responsive ---------- */

@media (max-width: 960px) {
  .panel__gauges { grid-template-columns: repeat(2, 1fr); }
  .perf__row { grid-template-columns: 150px 1fr 84px; }
}

@media (max-width: 820px) {
  .nav__links { display: none; }
  .burst { grid-template-columns: 1fr; }
  .trade { grid-template-columns: 1fr; }
  .perf__controls { flex-direction: column; align-items: stretch; }
  .seg { justify-content: center; }
}

@media (max-width: 640px) {
  html { scroll-padding-top: 4.5rem; }
  .nav { padding: 0.7rem var(--pad); }
  .nav__actions .btn--ghost { display: none; }
  .hero { padding-top: 6rem; }
  .hero__ticker { font-size: 0.72rem; gap: 0.6em; padding: 0.6em 0.8em; }
  .hero__ticker-label { display: none; }
  .lifecycle__track { min-height: 120px; gap: 0.5rem; }
  .lifecycle__time { display: none; }
  .lifecycle__engine { padding: 0.6rem 0.8rem; }
  .perf__row { grid-template-columns: 1fr; gap: 0.4rem; }
  .perf__value { text-align: left; }
  .panel__gauges { grid-template-columns: repeat(2, 1fr); gap: 0.6rem; }
  .candor__list li { gap: 0.8rem; padding: 1.2rem 1rem; }
  .footer__inner { flex-direction: column; align-items: flex-start; }
}

@media (max-width: 400px) {
  .panel__gauges { gap: 0.5rem; }
  .gauge { padding: 0.7rem 0.4rem 0.7rem; }
  .btn--lg { padding: 0.85em 1.3em; font-size: 0.92rem; }
}

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

/* ---------- reduced motion ---------- */

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  .reveal { opacity: 1; transform: none; }
}