@import url("https://fonts.googleapis.com/css2?family=Chakra+Petch:wght@400;500;600;700&family=Space+Grotesk:wght@300;400;500;600;700&family=JetBrains+Mono:wght@400;500;600&display=swap");

/* ── SYN/K Design Tokens ──────────────────────────────────────────── */

:root {
  --s-void:    #06090E;
  --s-0:       #0A0E14;
  --s-1:       #11161D;
  --s-2:       #181E27;
  --s-3:       #232B36;
  --s-4:       #2E3743;
  --border:          rgba(255, 255, 255, 0.08);
  --border-strong:   rgba(255, 255, 255, 0.16);
  --border-signal:   rgba(255, 107, 44, 0.36);

  --t-hi:   #E8ECEF;
  --t-mid:  #A6B0BD;
  --t-lo:   #5E6875;
  --t-dim:  #3A4350;

  --p-signal:      #FF6B2C;
  --p-signal-d:    #D14B12;
  --p-signal-soft: rgba(255, 107, 44, 0.16);
  --p-signal-ink:  #2A0E00;
  --p-data:        #5ED9FF;
  --p-data-soft:   rgba(94, 217, 255, 0.14);
  --p-amber:       #FFCB33;
  --p-amber-soft:  rgba(255, 203, 51, 0.14);
  --p-fail:        #FF5A4D;
  --p-fail-soft:   rgba(255, 90, 77, 0.14);

  --r-1: 4px;   --r-2: 8px;    --r-3: 12px;
  --r-4: 16px;  --r-pill: 999px;

  --sp-1: 4px;   --sp-2: 8px;   --sp-3: 12px;  --sp-4: 16px;
  --sp-5: 24px;  --sp-6: 32px;  --sp-7: 48px;  --sp-8: 64px;

  --f-display: "Chakra Petch", system-ui, sans-serif;
  --f-ui:      "Space Grotesk", system-ui, sans-serif;
  --f-mono:    "JetBrains Mono", ui-monospace, monospace;

  --shadow-1:            0 1px 0 rgba(255, 255, 255, 0.04) inset, 0 1px 2px rgba(0, 0, 0, 0.4);
  --shadow-2:            0 1px 0 rgba(255, 255, 255, 0.04) inset, 0 8px 24px rgba(0, 0, 0, 0.5);
  --shadow-glow-signal:  0 0 0 1px rgba(255, 107, 44, 0.32), 0 0 24px rgba(255, 107, 44, 0.22);
  --shadow-glow-data:    0 0 0 1px rgba(94, 217, 255, 0.28), 0 0 20px rgba(94, 217, 255, 0.18);

  --content-width: min(1120px, calc(100vw - 48px));
}

/* ── Reset & Base ─────────────────────────────────────────────────── */

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--f-ui);
  font-size: 16px;
  color: var(--t-hi);
  background: var(--s-0);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img {
  display: block;
  max-width: 100%;
}

a {
  color: inherit;
  text-decoration: none;
}

p {
  color: var(--t-mid);
  line-height: 1.7;
  margin: 0;
}

h1, h2, h3 {
  margin: 0;
  font-family: var(--f-display);
  color: var(--t-hi);
}

/* ── Design System Atoms ──────────────────────────────────────────── */

.k-bg-grid {
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.025) 1px, transparent 1px);
  background-size: 24px 24px;
  pointer-events: none;
  z-index: 0;
  mask-image: radial-gradient(ellipse at 50% 30%, black 10%, transparent 70%);
}

.k-bg-glow {
  position: fixed;
  border-radius: 50%;
  filter: blur(80px);
  pointer-events: none;
  z-index: 0;
  opacity: 0.22;
}

.k-bg-glow--a {
  width: 600px;
  height: 600px;
  top: -200px;
  right: -100px;
  background: var(--p-signal);
  animation: glow-drift 16s ease-in-out infinite;
}

.k-bg-glow--b {
  width: 500px;
  height: 500px;
  bottom: -100px;
  left: -150px;
  background: var(--p-data);
  animation: glow-drift 20s ease-in-out infinite reverse;
}

.k-wordmark {
  font-family: var(--f-display);
  font-weight: 700;
  font-size: 1.5rem;
  letter-spacing: 0.04em;
  color: var(--p-signal);
  text-shadow: var(--shadow-glow-signal);
}

.k-slash {
  color: var(--t-hi);
  font-weight: 500;
}

.k-eyebrow {
  font-family: var(--f-mono);
  font-size: 11px;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--t-lo);
  margin: 0;
}

.k-label {
  font-family: var(--f-mono);
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--t-lo);
}

.k-mono {
  font-family: var(--f-mono);
  font-variant-numeric: tabular-nums;
}

.k-rule {
  height: 1px;
  background: var(--border);
  margin: var(--sp-4) 0;
}

.k-stripe {
  height: 4px;
  background:
    repeating-linear-gradient(
      90deg,
      var(--p-amber) 0 6px,
      transparent 6px 12px
    );
  opacity: 0.4;
  margin: var(--sp-4) 0 0;
}

.k-dot {
  display: inline-block;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: currentColor;
  box-shadow: 0 0 8px currentColor;
  flex-shrink: 0;
}

.k-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--f-mono);
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  padding: 4px 10px;
  border-radius: var(--r-pill);
  background: var(--s-2);
  color: var(--t-mid);
  border: 1px solid var(--border);
  white-space: nowrap;
}

.k-chip--ok {
  background: var(--p-signal-soft);
  color: var(--p-signal);
  border-color: var(--border-signal);
}

.k-chip--warn {
  background: var(--p-amber-soft);
  color: var(--p-amber);
  border-color: rgba(255, 203, 51, 0.32);
}

.k-chip--fail {
  background: var(--p-fail-soft);
  color: var(--p-fail);
  border-color: rgba(255, 90, 77, 0.32);
}

.k-chip--data {
  background: var(--p-data-soft);
  color: var(--p-data);
  border-color: rgba(94, 217, 255, 0.32);
}

.k-bracket {
  position: relative;
  padding: 8px;
  display: inline-block;
}

.k-bracket::before,
.k-bracket::after {
  content: "";
  position: absolute;
  width: 10px;
  height: 10px;
  border: 1.5px solid var(--p-signal);
}

.k-bracket::before {
  top: 0;
  left: 0;
  border-right: none;
  border-bottom: none;
}

.k-bracket::after {
  bottom: 0;
  right: 0;
  border-left: none;
  border-top: none;
}

/* ── Layout Shell ─────────────────────────────────────────────────── */

.site-header,
main,
.site-footer {
  position: relative;
  z-index: 1;
  width: var(--content-width);
  margin: 0 auto;
}

/* ── Header ───────────────────────────────────────────────────────── */

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--sp-5) 0 var(--sp-4);
  border-bottom: 1px solid var(--border);
}

.brand {
  display: inline-flex;
  align-items: center;
}

/* ── Main ─────────────────────────────────────────────────────────── */

main {
  padding: var(--sp-8) 0 var(--sp-8);
  display: flex;
  flex-direction: column;
  gap: var(--sp-7);
}

/* ── Hero ─────────────────────────────────────────────────────────── */

.hero {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--sp-7);
  align-items: start;
}

.hero__copy {
  display: flex;
  flex-direction: column;
  gap: var(--sp-5);
  padding-top: var(--sp-4);
}

h1 {
  font-size: clamp(3rem, 6vw, 5rem);
  line-height: 1.0;
  letter-spacing: -0.02em;
}

.h1-signal {
  color: var(--p-signal);
  text-shadow: var(--shadow-glow-signal);
}

.hero__lede {
  font-size: 1.1rem;
  line-height: 1.75;
  max-width: 52ch;
  color: var(--t-mid);
}

.hero__tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-2);
}

.coming-soon-panel {
  display: flex;
  flex-direction: column;
  gap: var(--sp-2);
  padding: var(--sp-4) var(--sp-5);
  border: 1px solid var(--border-signal);
  border-radius: var(--r-3);
  background: var(--p-signal-soft);
  width: fit-content;
}

.coming-soon-content {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
}

.coming-soon-text {
  font-family: var(--f-display);
  font-size: 1.4rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  color: var(--p-signal);
  text-shadow: var(--shadow-glow-signal);
}

/* ── Mission HUD ──────────────────────────────────────────────────── */

.mission-hud {
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.02), rgba(255, 255, 255, 0)),
    var(--s-1);
  border: 1px solid var(--border);
  border-radius: var(--r-4);
  padding: var(--sp-5);
  box-shadow: var(--shadow-2);
  display: flex;
  flex-direction: column;
  gap: 0;
}

.hud-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: var(--sp-4);
}

.hud-section {
  padding: var(--sp-3) 0;
  display: flex;
  flex-direction: column;
  gap: var(--sp-3);
}

.cargo-grid {
  display: flex;
  flex-direction: column;
  gap: var(--sp-2);
}

.cargo-item {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  font-size: 0.88rem;
  color: var(--t-lo);
  padding: var(--sp-2) var(--sp-3);
  border-radius: var(--r-2);
  transition: background 140ms ease;
}

.cargo-item--active {
  color: var(--t-hi);
  background: var(--s-2);
  border: 1px solid var(--border-strong);
}

.cargo-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  flex-shrink: 0;
}

.metric-row {
  display: grid;
  grid-template-columns: 72px 1fr 36px;
  align-items: center;
  gap: var(--sp-3);
}

.metric-label {
  font-size: 10px;
  color: var(--t-lo);
  letter-spacing: 0.1em;
}

.metric-bar {
  height: 4px;
  background: var(--s-3);
  border-radius: var(--r-pill);
  overflow: hidden;
}

.metric-bar__fill {
  height: 100%;
  border-radius: var(--r-pill);
  transition: width 1s ease;
}

.metric-bar__pulse {
  animation: bar-pulse 2.4s ease-in-out infinite;
}

.metric-val {
  font-size: 10px;
  color: var(--t-mid);
  text-align: right;
}

.env-chips {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-2);
}

.hud-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: var(--sp-3);
}

.hud-ver {
  font-size: 10px;
  color: var(--t-dim);
  letter-spacing: 0.08em;
}

/* ── Pillars ──────────────────────────────────────────────────────── */

.pillars {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--sp-4);
}

.pillar-card {
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.02), rgba(255, 255, 255, 0)),
    var(--s-1);
  border: 1px solid var(--border);
  border-radius: var(--r-3);
  padding: var(--sp-5);
  display: flex;
  flex-direction: column;
  gap: var(--sp-3);
  box-shadow: var(--shadow-1);
  transition: border-color 200ms ease, box-shadow 200ms ease;
}

.pillar-card:hover {
  border-color: var(--border-signal);
  box-shadow: var(--shadow-glow-signal);
}

.pillar-num {
  font-size: 0.9rem;
  color: var(--p-signal);
  letter-spacing: 0.1em;
}

.pillar-card h3 {
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: 0.04em;
}

.pillar-card p {
  font-size: 0.9rem;
  color: var(--t-lo);
}

/* ── Cargo Strip ──────────────────────────────────────────────────── */

.cargo-strip {
  display: flex;
  flex-direction: column;
  gap: var(--sp-5);
}

.cargo-strip__label {
  display: flex;
  flex-direction: column;
  gap: var(--sp-2);
}

.cargo-strip__sub {
  font-size: 0.95rem;
  color: var(--t-lo);
}

.cargo-strip__cards {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: var(--sp-3);
}

.cargo-card {
  background: var(--s-1);
  border: 1px solid var(--border);
  border-radius: var(--r-3);
  padding: var(--sp-4) var(--sp-4) var(--sp-5);
  display: flex;
  flex-direction: column;
  gap: var(--sp-3);
  transition: border-color 200ms ease, transform 200ms ease;
}

.cargo-card:hover {
  border-color: var(--border-strong);
  transform: translateY(-2px);
}

.cargo-card__dot {
  width: 24px;
  height: 24px;
  border-radius: 50%;
}

.cargo-card strong {
  font-family: var(--f-display);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--t-hi);
}

.cargo-card span {
  font-size: 0.8rem;
  color: var(--t-lo);
  line-height: 1.5;
}

/* ── Footer ───────────────────────────────────────────────────────── */

.site-footer {
  border-top: 1px solid var(--border);
  padding: var(--sp-7) 0 var(--sp-7);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--sp-3);
  text-align: center;
}

.footer-wordmark {
  font-size: 1.2rem;
}

.footer-meta,
.footer-copy {
  font-size: 0.85rem;
  color: var(--t-dim);
}

/* ── Scroll Reveal ────────────────────────────────────────────────── */

[data-reveal] {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 480ms ease, transform 480ms ease;
}

[data-reveal].is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* ── Animations ───────────────────────────────────────────────────── */

@keyframes glow-drift {
  0%, 100% { transform: translate(0, 0) scale(1); }
  50%       { transform: translate(30px, 40px) scale(1.08); }
}

@keyframes bar-pulse {
  0%, 100% { width: 48%; }
  50%       { width: 68%; }
}

/* ── Responsive ───────────────────────────────────────────────────── */

@media (max-width: 1024px) {
  .cargo-strip__cards {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 768px) {
  :root {
    --content-width: min(100vw - 32px, 1120px);
  }

  .hero {
    grid-template-columns: 1fr;
  }

  .pillars {
    grid-template-columns: 1fr;
  }

  .cargo-strip__cards {
    grid-template-columns: repeat(2, 1fr);
  }

  h1 {
    font-size: clamp(2.4rem, 10vw, 3.5rem);
  }
}

@media (max-width: 480px) {
  .cargo-strip__cards {
    grid-template-columns: 1fr;
  }

  .metric-row {
    grid-template-columns: 60px 1fr 32px;
  }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }

  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
  }

  [data-reveal] {
    opacity: 1;
    transform: none;
  }
}