/* ============================================================
   jigawatt / unit 001
   marketing site — lab notebook meets high-voltage signage
   ============================================================ */

:root {
  --bg:        #0b0b0d;
  --bg-elev:   #131316;
  --bg-card:   #161619;
  --text:      #e8e6e1;
  --text-dim:  #8a8780;
  --text-mute: #5a5854;
  --accent:    #ffb000;
  --accent-2:  #6ec1e4;
  --border:    #26262a;
  --border-2:  #1c1c1f;

  --mono: 'JetBrains Mono', 'IBM Plex Mono', 'SFMono-Regular', ui-monospace, Menlo, monospace;
  --sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;

  --maxw: 1180px;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a {
  color: var(--accent);
  text-decoration: none;
  border-bottom: 1px solid rgba(255,176,0,0.3);
  transition: border-color 120ms ease, color 120ms ease;
}
a:hover { border-color: var(--accent); }

::selection { background: var(--accent); color: #0b0b0d; }

/* ---------- layout ---------- */

.wrap {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 28px;
  position: relative;
}

section.text {
  padding: 110px 0;
}

p { color: var(--text); max-width: 64ch; }
p.lead {
  font-size: clamp(20px, 2.2vw, 26px);
  color: var(--text);
  max-width: 30ch;
  line-height: 1.25;
  letter-spacing: -0.01em;
}
p.dim { color: var(--text-dim); }

.kicker {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.22em;
  color: var(--accent);
  text-transform: uppercase;
  margin-bottom: 22px;
  display: inline-block;
}

h2.headline {
  font-size: clamp(34px, 5vw, 62px);
  letter-spacing: -0.028em;
  font-weight: 600;
  margin: 0 0 28px;
  line-height: 1.04;
  max-width: 18ch;
}

/* ---------- top bar ---------- */

.topbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 20;
  backdrop-filter: blur(10px) saturate(120%);
  -webkit-backdrop-filter: blur(10px) saturate(120%);
  background: rgba(11,11,13,0.55);
  border-bottom: 1px solid rgba(255,255,255,0.04);
}
.topbar-inner {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 14px 28px;
  display: flex;
  align-items: center;
  gap: 22px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-dim);
}
.topbar .brand {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--text);
  font-weight: 600;
  letter-spacing: 0.14em;
  border: none;
}
.topbar .brand img { height: 18px; width: auto; }
.topbar .status {
  margin-left: auto;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
/* Status indicator: led colour and text track the device state.
   Brooding = blue (waiting, calm). Tripped = amber (active, alert).
   The text colour follows the led so they read as one signal. */
.topbar .status-text {
  color: var(--accent-2);
  transition: color 500ms ease;
}
.topbar .status .dot {
  width: 7px; height: 7px; border-radius: 50%;
  background: var(--accent-2);
  box-shadow: 0 0 10px var(--accent-2);
  animation: pulse 2.6s ease-in-out infinite;
  transition: background-color 500ms ease, box-shadow 500ms ease;
}
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50%      { opacity: 0.35; }
}

/* ---------- hero (full-bleed) ---------- */

.hero {
  position: relative;
  min-height: 100vh;
  width: 100%;
  background-image:
    linear-gradient(180deg,
      rgba(11,11,13,0.55) 0%,
      rgba(11,11,13,0.15) 35%,
      rgba(11,11,13,0.55) 75%,
      rgba(11,11,13,0.95) 100%),
    url("assets/hero.webp");
  background-size: cover;
  background-position: center;
  display: flex;
  align-items: flex-end;
  overflow: hidden;
}
.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: radial-gradient(ellipse at 80% 60%, rgba(255,176,0,0.06) 0%, transparent 50%);
}
.hero-inner {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 28px 90px;
  width: 100%;
  position: relative;
  z-index: 2;
}

.hero-eyebrow {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.22em;
  color: var(--accent);
  text-transform: uppercase;
  margin-bottom: 24px;
  display: flex;
  gap: 14px;
  align-items: center;
  flex-wrap: wrap;
}
.hero-eyebrow .sep { color: var(--text-mute); }

.hero h1 {
  font-size: clamp(72px, 14vw, 200px);
  line-height: 0.9;
  letter-spacing: -0.05em;
  margin: 0 0 22px;
  font-weight: 600;
  color: var(--text);
}
.hero h1 .tail { color: var(--accent); }

.hero-tag {
  font-family: var(--sans);
  font-size: clamp(24px, 2.8vw, 36px);
  font-weight: 400;
  color: var(--text);
  max-width: 26ch;
  letter-spacing: -0.018em;
  line-height: 1.22;
  margin: 0;
  text-shadow: 0 2px 24px rgba(0,0,0,0.5);
}

/* scroll cue */
.hero-scroll {
  position: absolute;
  bottom: 28px;
  left: 50%;
  transform: translateX(-50%);
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--text-mute);
  z-index: 2;
}

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

section.text .kicker { margin-bottom: 14px; }

.cols-two {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: start;
}
@media (max-width: 800px) {
  .cols-two { grid-template-columns: 1fr; gap: 32px; }
}

.prose p {
  font-size: 17px;
  color: var(--text);
}
.prose p + p { margin-top: 16px; }
.prose em { color: var(--text); font-style: italic; }

/* ---------- full-bleed image bands ---------- */

.band {
  position: relative;
  width: 100%;
  min-height: 70vh;
  background-size: cover;
  background-position: center;
}
.band.mood {
  background-image:
    linear-gradient(180deg, rgba(11,11,13,0.4), rgba(11,11,13,0.85)),
    url("assets/mood.webp");
}
.band-inner {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 120px 28px;
  position: relative;
  z-index: 2;
}
.band-quote {
  font-size: clamp(28px, 4vw, 48px);
  letter-spacing: -0.02em;
  line-height: 1.1;
  font-weight: 500;
  max-width: 22ch;
  margin: 0;
  color: var(--text);
}
.band-attribution {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
  margin-top: 28px;
  display: inline-block;
}

/* ---------- timeline ---------- */

.timeline-section {
  padding: 120px 0;
  border-top: 1px solid var(--border-2);
}
.timeline {
  margin-top: 60px;
  position: relative;
}
.timeline-track {
  position: relative;
  height: 2px;
  background: var(--border);
  margin-bottom: 28px;
  overflow: visible;
}
.timeline-track::before {
  content: "";
  position: absolute;
  top: 0; left: 0;
  height: 100%;
  width: 0;
  background: linear-gradient(90deg, var(--accent) 0%, var(--accent) 80%, rgba(255,176,0,0.0) 100%);
  box-shadow: 0 0 12px rgba(255,176,0,0.4);
  transition: width 1.8s cubic-bezier(.22,.61,.36,1);
}
.timeline.in-view .timeline-track::before {
  width: 100%;
}

.timeline-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  position: relative;
}
.timeline-step {
  position: relative;
  padding-top: 8px;
}
.timeline-step .dot {
  position: absolute;
  top: -33px; left: 0;
  width: 10px; height: 10px;
  border-radius: 50%;
  background: var(--bg);
  border: 1.5px solid var(--border);
  transition: background 200ms ease, border-color 200ms ease, box-shadow 300ms ease;
}
.timeline.in-view .timeline-step .dot {
  background: var(--accent);
  border-color: var(--accent);
  box-shadow: 0 0 14px rgba(255,176,0,0.6);
}
.timeline-step:nth-child(1) .dot { transition-delay: 0.10s; }
.timeline-step:nth-child(2) .dot { transition-delay: 0.55s; }
.timeline-step:nth-child(3) .dot { transition-delay: 1.00s; }
.timeline-step:nth-child(4) .dot { transition-delay: 1.45s; }

.timeline-step .num {
  font-family: var(--mono);
  font-size: 14px;
  letter-spacing: 0.18em;
  color: var(--text-mute);
  display: block;
  margin-bottom: 14px;
  transition: color 300ms ease;
}
.timeline.in-view .timeline-step .num { color: var(--accent); }
.timeline-step:nth-child(1) .num { transition-delay: 0.10s; }
.timeline-step:nth-child(2) .num { transition-delay: 0.55s; }
.timeline-step:nth-child(3) .num { transition-delay: 1.00s; }
.timeline-step:nth-child(4) .num { transition-delay: 1.45s; }

.timeline-step h3 {
  font-size: 22px;
  letter-spacing: -0.02em;
  margin: 0 0 10px;
  font-weight: 600;
  color: var(--text);
}
.timeline-step p {
  font-size: 14px;
  color: var(--text-dim);
  line-height: 1.5;
  margin: 0;
  max-width: 26ch;
}

@media (max-width: 800px) {
  .timeline-steps { grid-template-columns: 1fr 1fr; gap: 36px 24px; }
}
@media (max-width: 480px) {
  .timeline-steps { grid-template-columns: 1fr; gap: 28px; }
  .timeline-track { display: none; }
  .timeline-step { padding-left: 22px; }
  .timeline-step .dot { top: 14px; left: 0; }
}

/* ---------- strike effect overlay ---------- */

.jw-flash {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 50;
  background:
    radial-gradient(ellipse 60% 60% at 50% 45%,
      rgba(220,235,255,0.55) 0%,
      rgba(150,200,240,0.25) 35%,
      rgba(0,0,0,0) 70%);
  opacity: 0;
  transition: opacity 90ms ease-out;
}
.jw-flash.on { opacity: 1; transition-duration: 30ms; }

.jw-bolt {
  position: fixed;
  top: 8vh; left: 50%;
  transform: translateX(-50%);
  width: clamp(200px, 28vw, 360px);
  height: auto;
  z-index: 51;
  pointer-events: none;
  opacity: 0;
  filter:
    drop-shadow(0 0 18px rgba(180,220,255,0.85))
    drop-shadow(0 0 4px rgba(255,255,255,0.95));
  transition: opacity 90ms ease-out;
}
.jw-bolt.on { opacity: 1; transition-duration: 40ms; }
.jw-bolt path {
  fill: none;
  stroke: #f4f7ff;
  stroke-width: 2.5;
  stroke-linecap: round;
  stroke-linejoin: round;
}

@keyframes jw-shake {
  0%   { transform: translate(0, 0); }
  18%  { transform: translate(-3px, 1px); }
  36%  { transform: translate(3px, -1px); }
  54%  { transform: translate(-2px, 1px); }
  72%  { transform: translate(2px, -1px); }
  90%  { transform: translate(-1px, 0); }
  100% { transform: translate(0, 0); }
}
.jw-shake { animation: jw-shake 420ms cubic-bezier(.36,.07,.19,.97) both; }

/* ---------- tripped state: page desaturates, topbar stays in colour ----------
   The topbar (<header>) is excluded from the filter, so its amber dot + status
   text remain the only source of colour while the page is "tripped". */

section, footer {
  transition: filter 900ms ease;
}
body.tripped section,
body.tripped footer {
  filter: grayscale(1) brightness(0.86);
}

body.tripped .topbar .status-text {
  color: var(--accent);
}
body.tripped .topbar .status .dot {
  background: var(--accent);
  box-shadow: 0 0 16px var(--accent), 0 0 4px var(--accent);
}

@media (prefers-reduced-motion: reduce) {
  .jw-flash, .jw-bolt { display: none !important; }
  .jw-shake { animation: none !important; }
  section, footer { transition: none !important; }
  .timeline-track::before { transition: none !important; width: 100% !important; }
  .timeline-step .dot, .timeline-step .num { transition: none !important; }
}

/* ---------- unit feature (product shot) ---------- */

.feature {
  padding: 120px 0;
}
.feature-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 64px;
  align-items: center;
}
@media (max-width: 800px) {
  .feature-grid { grid-template-columns: 1fr; gap: 36px; }
}
.feature-image {
  position: relative;
  aspect-ratio: 1 / 1;
  background:
    radial-gradient(ellipse at 60% 40%, rgba(255,176,0,0.06), transparent 60%),
    var(--bg-elev);
  border: 1px solid var(--border-2);
  overflow: hidden;
}
.feature-image img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.feature-text .kicker { margin-bottom: 14px; }

/* ---------- the numbers (marketing stats) ---------- */

.numbers {
  padding: 140px 0;
  border-top: 1px solid var(--border-2);
  border-bottom: 1px solid var(--border-2);
}
.numbers-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
}
@media (max-width: 800px) {
  .numbers-grid { grid-template-columns: repeat(2, 1fr); }
}
.numbers-grid > div {
  padding: 28px 24px;
  border-right: 1px solid var(--border-2);
}
.numbers-grid > div:last-child { border-right: none; }
@media (max-width: 800px) {
  .numbers-grid > div:nth-child(2) { border-right: none; }
  .numbers-grid > div { border-bottom: 1px solid var(--border-2); }
  .numbers-grid > div:nth-last-child(-n+2) { border-bottom: none; }
}
.numbers .label {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--text-mute);
  margin-bottom: 16px;
}
.numbers .big {
  font-family: var(--mono);
  font-size: clamp(36px, 5vw, 62px);
  font-weight: 500;
  letter-spacing: -0.03em;
  color: var(--text);
  line-height: 1;
}
.numbers .big .u {
  color: var(--text-mute);
  font-size: 0.45em;
  margin-left: 2px;
}
.numbers .sub {
  font-size: 13px;
  color: var(--text-dim);
  margin-top: 12px;
  line-height: 1.45;
}

/* ---------- isn't (honesty section) ---------- */

.honesty {
  padding: 120px 0;
}
.honesty .kicker { color: var(--text-dim); }
.honesty p {
  font-size: clamp(20px, 2vw, 26px);
  line-height: 1.35;
  letter-spacing: -0.015em;
  max-width: 42ch;
  color: var(--text);
  font-weight: 400;
}
.honesty p + p { margin-top: 22px; }
.honesty em { color: var(--accent); font-style: normal; }

/* ---------- provenance ---------- */

.provenance {
  padding: 120px 0;
  border-top: 1px solid var(--border-2);
}
.provenance .cols-two { gap: 64px; }
.provenance h2 {
  font-size: clamp(28px, 3vw, 38px);
  letter-spacing: -0.02em;
  margin: 0 0 22px;
  font-weight: 600;
}
.provenance p {
  font-size: 17px;
  color: var(--text-dim);
  max-width: 38ch;
}
.provenance p + p { margin-top: 14px; }

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

footer {
  border-top: 1px solid var(--border-2);
  padding: 64px 0 84px;
  color: var(--text-dim);
  font-size: 13px;
}
footer .cols {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
}
@media (max-width: 700px) {
  footer .cols { grid-template-columns: 1fr; }
}
footer h4 {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--text-mute);
  text-transform: uppercase;
  margin: 0 0 12px;
  font-weight: 500;
}
footer p { margin: 0; max-width: none; }
footer .signoff {
  margin-top: 56px;
  padding-top: 24px;
  border-top: 1px solid var(--border-2);
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--text-mute);
  display: flex;
  justify-content: space-between;
  gap: 18px;
  flex-wrap: wrap;
  text-transform: uppercase;
}