/* Earth Information Jukebox — 1970s NASA Mission Control
   Light, paper-textured, retro. No external dependencies. */

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

html {
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
}

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

body,
h1, h2, h3, h4, h5, h6,
p, ul, ol, figure, blockquote, pre {
  margin: 0;
}

ul, ol {
  padding: 0;
  list-style: none;
}

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

button, input, textarea, select {
  font: inherit;
  color: inherit;
}

button {
  cursor: pointer;
  background: none;
  border: 0;
  padding: 0;
}

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

/* ---------- Tokens ---------- */
:root {
  /* Paper / ink palette */
  --color-bg:       #f4ead5;   /* cream */
  --color-surface:  #e8dcc0;   /* parchment */
  --color-surface-2:#ecdcc0;   /* parchment lighter */
  --color-ink:      #1f1a14;   /* near-black ink */
  --color-ink-soft: #5c4a36;   /* warm brown muted */

  /* Retro accents */
  --color-terracotta: #c8531e;
  --color-terracotta-dark: #a6421a;
  --color-mustard:     #d4a017;
  --color-olive:       #4a5d3a;
  --color-rust:        #b94a2a;
  --color-grid:        rgba(185, 74, 42, 0.12);

  --color-border:       #b94a2a;
  --color-border-soft:  rgba(185, 74, 42, 0.35);

  /* Type */
  --font-serif: "Iowan Old Style", "Palatino Linotype", "Book Antiqua",
                Palatino, Georgia, "Times New Roman", Times, serif;
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen,
               Ubuntu, Cantarell, "Helvetica Neue", Arial, sans-serif;
  --font-mono: "Courier New", Courier, ui-monospace, SFMono-Regular, Menlo,
               Consolas, monospace;

  /* Spacing */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.5rem;
  --space-6: 2rem;
  --space-7: 3rem;
  --space-8: 5rem;
  --space-9: 7rem;

  --container-max: 1100px;
  --radius: 0;
  --radius-sm: 2px;
  --transition: 180ms ease;
}

/* ---------- Base ---------- */
body {
  /* SVG paper-grain noise — subtle, embedded as data URI. */
  background-color: var(--color-bg);
  background-image:
    url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='220' height='220'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2' stitchTiles='stitch'/><feColorMatrix values='0 0 0 0 0.4  0 0 0 0 0.32  0 0 0 0 0.2  0 0 0 0.07 0'/></filter><rect width='100%' height='100%' filter='url(%23n)'/></svg>"),
    radial-gradient(ellipse at top, rgba(212, 160, 23, 0.06), transparent 60%);
  background-size: 220px 220px, auto;
  background-attachment: fixed;
  color: var(--color-ink);
  font-family: var(--font-sans);
  font-size: 17px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

main {
  flex: 1 0 auto;
}

h1, h2, h3 {
  font-family: var(--font-serif);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.005em;
  color: var(--color-ink);
}

h1 {
  font-size: clamp(2.5rem, 6vw, 4rem);
  margin-bottom: var(--space-5);
}

h2 {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  margin-bottom: var(--space-4);
}

h3 {
  font-size: 1.2rem;
  margin-bottom: var(--space-2);
}

p {
  color: var(--color-ink);
}

.muted {
  color: var(--color-ink-soft);
}

::selection {
  background: var(--color-mustard);
  color: var(--color-ink);
}

/* ---------- Layout helpers ---------- */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--space-5);
}

.section {
  padding: var(--space-9) 0;
  position: relative;
}

.section--surface {
  background: var(--color-surface);
  border-top: 4px double var(--color-rust);
  border-bottom: 4px double var(--color-rust);
}

.section__header {
  max-width: 720px;
  margin-bottom: var(--space-7);
}

.section__header--center {
  margin-left: auto;
  margin-right: auto;
  text-align: center;
}

.section__eyebrow {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-terracotta);
  margin-bottom: var(--space-4);
}

.grid {
  display: grid;
  gap: var(--space-5);
}

.grid--3 {
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}

/* ---------- Decorative rules ---------- */
.rule {
  border: 0;
  border-top: 1px dashed var(--color-rust);
  margin: var(--space-4) 0;
}

.rule--center {
  max-width: 280px;
  margin: var(--space-6) auto;
  border-top-style: double;
  border-top-width: 4px;
}

.label {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0 var(--space-2);
  margin-right: var(--space-1);
}

.label--mustard {
  background: var(--color-mustard);
  color: var(--color-ink);
}

/* ---------- Header / Nav ---------- */
.site-header {
  background: var(--color-bg);
  border-bottom: 4px double var(--color-rust);
  position: sticky;
  top: 0;
  z-index: 50;
  /* Faint paper grain shows through. */
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-3) 0;
}

.site-logo {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  color: var(--color-ink);
}

/* Mission-patch logo — concentric circles + crosshairs. */
.logo-mark {
  position: relative;
  display: inline-block;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 2px solid var(--color-terracotta);
  flex-shrink: 0;
}

.logo-mark::before,
.logo-mark::after {
  content: "";
  position: absolute;
  inset: 4px;
  border-radius: 50%;
  border: 1px solid var(--color-rust);
}

.logo-mark::after {
  inset: 11px;
  border-color: var(--color-mustard);
  border-width: 2px;
}

.logo-mark__inner {
  position: absolute;
  inset: 0;
  display: block;
}

.logo-mark__inner::before,
.logo-mark__inner::after {
  content: "";
  position: absolute;
  background: var(--color-ink);
}

.logo-mark__inner::before {
  /* horizontal crosshair */
  top: 50%;
  left: 0;
  right: 0;
  height: 1px;
  transform: translateY(-50%);
}

.logo-mark__inner::after {
  /* vertical crosshair */
  left: 50%;
  top: 0;
  bottom: 0;
  width: 1px;
  transform: translateX(-50%);
}

.site-logo__text {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
}

.site-logo__title {
  font-family: var(--font-serif);
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.site-logo__sub {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.16em;
  color: var(--color-terracotta);
  text-transform: uppercase;
}

.nav {
  display: flex;
  align-items: center;
}

.nav__list {
  display: flex;
  gap: var(--space-5);
}

.nav__link {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-ink-soft);
  padding: var(--space-2) 0;
  border-bottom: 2px solid transparent;
  transition: color var(--transition), border-color var(--transition);
}

.nav__link:hover {
  color: var(--color-ink);
}

.nav__link[aria-current="page"] {
  color: var(--color-terracotta);
  border-bottom-color: var(--color-terracotta);
}

.nav__link--cta {
  color: var(--color-terracotta);
  font-weight: 700;
}

.nav__link--cta:hover {
  color: var(--color-terracotta-dark);
}

.nav__toggle {
  display: none;
  width: 40px;
  height: 40px;
  align-items: center;
  justify-content: center;
  border: 2px solid var(--color-ink);
  border-radius: var(--radius-sm);
}

.nav__toggle-bar {
  display: block;
  width: 22px;
  height: 1.5px;
  background: var(--color-ink);
  position: relative;
}

.nav__toggle-bar::before,
.nav__toggle-bar::after {
  content: "";
  position: absolute;
  left: 0;
  width: 22px;
  height: 1.5px;
  background: var(--color-ink);
  transition: transform var(--transition), top var(--transition);
}

.nav__toggle-bar::before { top: -7px; }
.nav__toggle-bar::after  { top: 7px; }

.nav__toggle[aria-expanded="true"] .nav__toggle-bar { background: transparent; }
.nav__toggle[aria-expanded="true"] .nav__toggle-bar::before { top: 0; transform: rotate(45deg); }
.nav__toggle[aria-expanded="true"] .nav__toggle-bar::after  { top: 0; transform: rotate(-45deg); }

/* ---------- Buttons ---------- */
.btn {
  display: inline-block;
  padding: var(--space-3) var(--space-5);
  font-family: var(--font-mono);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  border: 2px solid var(--color-ink);
  border-radius: var(--radius-sm);
  transition: transform var(--transition), background var(--transition),
    color var(--transition), border-color var(--transition),
    box-shadow var(--transition);
  cursor: pointer;
  /* Hard retro shadow — like an offset block. */
  box-shadow: 4px 4px 0 var(--color-ink);
}

.btn:hover {
  transform: translate(-2px, -2px);
  box-shadow: 6px 6px 0 var(--color-ink);
}

.btn:active {
  transform: translate(2px, 2px);
  box-shadow: 0 0 0 var(--color-ink);
}

.btn--primary {
  background: var(--color-terracotta);
  color: var(--color-bg);
  border-color: var(--color-ink);
}

.btn--primary:hover,
.btn--primary:focus-visible {
  background: var(--color-terracotta-dark);
}

.btn--ghost {
  background: var(--color-bg);
  color: var(--color-ink);
  border-color: var(--color-ink);
}

.btn--ghost:hover,
.btn--ghost:focus-visible {
  background: var(--color-mustard);
}

:focus-visible {
  outline: 3px solid var(--color-mustard);
  outline-offset: 2px;
}

/* ---------- Hero ---------- */
.hero {
  position: relative;
  padding: var(--space-9) 0 var(--space-8);
  text-align: center;
  border-bottom: 4px double var(--color-rust);
  overflow: hidden;
}

.hero__bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 0;
}

/* Engineering-paper grid: thin terracotta lines, fading at the edges. */
.grid-lines {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--color-grid) 1px, transparent 1px),
    linear-gradient(90deg, var(--color-grid) 1px, transparent 1px);
  background-size: 32px 32px;
  /* Fade out toward edges so it doesn't overwhelm the copy. */
  -webkit-mask-image: radial-gradient(ellipse 80% 70% at center, #000 30%, transparent 80%);
          mask-image: radial-gradient(ellipse 80% 70% at center, #000 30%, transparent 80%);
}

/* Telemetry strip — monospace data readout banded across the top. */
.telemetry {
  position: absolute;
  top: var(--space-4);
  left: 0;
  right: 0;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  color: var(--color-ink-soft);
  text-align: center;
}

.telemetry span {
  margin: 0 var(--space-2);
}

.telemetry b {
  color: var(--color-terracotta);
  font-weight: 700;
  margin-left: var(--space-1);
}

.telemetry__bar {
  color: var(--color-olive);
}

.hero__content {
  position: relative;
  z-index: 1;
  max-width: 820px;
  margin: 0 auto;
}

.hero__eyebrow {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-terracotta);
  margin-bottom: var(--space-5);
  padding: var(--space-1) var(--space-3);
  background: rgba(212, 160, 23, 0.18);
  border: 1px solid var(--color-mustard);
}

.bracket {
  color: var(--color-ink);
  font-weight: 700;
  margin: 0 var(--space-1);
}

.hero__title {
  font-family: var(--font-serif);
  font-size: clamp(2.5rem, 7vw, 5rem);
  line-height: 1.05;
  margin-bottom: var(--space-5);
}

.hero__title-pre {
  display: block;
  font-size: 0.5em;
  font-style: italic;
  font-weight: 400;
  color: var(--color-ink-soft);
  margin-bottom: var(--space-2);
  letter-spacing: 0.02em;
}

.hero__title-rule {
  display: block;
  width: 120px;
  height: 4px;
  background: var(--color-terracotta);
  margin: var(--space-4) auto var(--space-5);
}

.hero__lede {
  font-family: var(--font-mono);
  font-size: 1rem;
  line-height: 1.7;
  color: var(--color-ink);
  max-width: 620px;
  margin: 0 auto var(--space-6);
}

.hero__actions {
  display: flex;
  gap: var(--space-4);
  justify-content: center;
  flex-wrap: wrap;
}

/* ---------- Cards ---------- */
.card {
  position: relative;
  background: var(--color-bg);
  border: 2px solid var(--color-ink);
  border-radius: var(--radius-sm);
  padding: var(--space-6);
  transition: transform var(--transition), box-shadow var(--transition);
  /* Offset hard shadow. */
  box-shadow: 6px 6px 0 var(--color-ink);
}

.card:hover {
  transform: translate(-2px, -2px);
  box-shadow: 8px 8px 0 var(--color-ink);
}

.card__stamp {
  position: absolute;
  top: var(--space-3);
  right: var(--space-3);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--color-bg);
  background: var(--color-mustard);
  border: 1px solid var(--color-ink);
  padding: 2px 8px;
}

.card__icon {
  font-size: 1.6rem;
  color: var(--color-terracotta);
  margin-bottom: var(--space-3);
  font-family: var(--font-serif);
  line-height: 1;
}

/* ---------- Split sections ---------- */
.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-7);
  align-items: center;
}

/* ---------- Readout panel (replaces animated waveform) ---------- */
.readout {
  background: var(--color-bg);
  border: 2px solid var(--color-ink);
  border-radius: var(--radius-sm);
  padding: var(--space-4);
  box-shadow: 6px 6px 0 var(--color-ink);
  font-family: var(--font-mono);
  font-size: 0.78rem;
}

.readout__head {
  display: flex;
  justify-content: space-between;
  padding-bottom: var(--space-3);
  border-bottom: 1px dashed var(--color-rust);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-terracotta);
}

.readout__wave {
  width: 100%;
  height: 120px;
  margin: var(--space-3) 0;
  background: var(--color-surface-2);
  border: 1px solid var(--color-rust);
}

.readout__foot {
  display: flex;
  justify-content: space-between;
  padding-top: var(--space-3);
  border-top: 1px dashed var(--color-rust);
  color: var(--color-ink-soft);
}

/* ---------- Tech tags (replaces tech-pill) ---------- */
.tech-grid {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  justify-content: center;
}

.tech-tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: var(--space-2) var(--space-4);
  background: var(--color-bg);
  border: 2px solid var(--color-ink);
  color: var(--color-ink);
  transition: background var(--transition), color var(--transition),
    transform var(--transition);
}

.tech-tag:hover {
  background: var(--color-terracotta);
  color: var(--color-bg);
  transform: translateY(-2px);
}

/* ---------- Team ---------- */
.team-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: var(--space-5);
}

.team-card {
  background: var(--color-bg);
  border: 2px solid var(--color-ink);
  border-radius: var(--radius-sm);
  padding: var(--space-6);
  text-align: center;
  position: relative;
  transition: transform var(--transition), box-shadow var(--transition);
  box-shadow: 6px 6px 0 var(--color-ink);
  transform-style: preserve-3d;
}

.team-card:hover {
  transform: translate(-2px, -2px);
  box-shadow: 8px 8px 0 var(--color-ink);
}

.team-card__avatar {
  position: relative;
  width: 80px;
  height: 80px;
  border-radius: 50%;
  margin: 0 auto var(--space-4);
  background: var(--color-bg);
  border: 3px solid var(--color-terracotta);
  display: grid;
  place-items: center;
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: 1.8rem;
  color: var(--color-terracotta);
}

.team-card__avatar::before,
.team-card__avatar::after {
  content: "";
  position: absolute;
  border-radius: 50%;
  border: 1px dashed var(--color-rust);
  pointer-events: none;
}

.team-card__avatar::before {
  inset: -6px;
}

.team-card__avatar::after {
  inset: 6px;
  border-color: var(--color-mustard);
}

.team-card__initial {
  position: relative;
  z-index: 1;
}

.team-card__name {
  font-family: var(--font-serif);
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: var(--space-1);
}

.team-card__role {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  color: var(--color-terracotta);
  margin-bottom: var(--space-4);
  padding-bottom: var(--space-3);
  border-bottom: 1px dashed var(--color-rust);
}

.team-card__bio {
  font-size: 0.92rem;
  line-height: 1.55;
  margin-bottom: var(--space-4);
}

.team-card__tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  justify-content: center;
}

.team-card__tags li {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  color: var(--color-ink-soft);
  padding: 2px 8px;
  border: 1px solid var(--color-rust);
}

/* ---------- CTA ---------- */
.cta__title {
  margin-bottom: var(--space-3);
}

/* ---------- Footer ---------- */
.site-footer {
  background: var(--color-surface);
  border-top: 4px double var(--color-rust);
  padding: var(--space-7) 0 var(--space-5);
  margin-top: var(--space-9);
}

.site-footer__inner {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: var(--space-5);
  align-items: start;
}

.site-footer__brand {
  display: flex;
  align-items: flex-start;
  gap: var(--space-4);
  max-width: 460px;
}

.site-footer__brand .site-logo__title {
  margin-bottom: var(--space-2);
}

.site-footer__links {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  align-items: center;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.site-footer__links a {
  color: var(--color-ink);
  transition: color var(--transition);
}

.site-footer__links a:hover {
  color: var(--color-terracotta);
}

.site-footer__links .dot {
  color: var(--color-rust);
}

.site-footer__copy {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  color: var(--color-ink-soft);
  grid-column: 1 / -1;
  border-top: 1px dashed var(--color-rust);
  padding-top: var(--space-4);
  margin-top: var(--space-4);
  text-transform: uppercase;
}

/* ---------- Utilities ---------- */
.u-text-center { text-align: center; }
.u-mt-3 { margin-top: var(--space-3); }
.u-mt-4 { margin-top: var(--space-4); }
.u-mt-5 { margin-top: var(--space-5); }
.u-mt-6 { margin-top: var(--space-6); }
.u-mt-8 { margin-top: var(--space-8); }
.u-prose-narrow {
  max-width: 580px;
  margin-left: auto;
  margin-right: auto;
  margin-bottom: var(--space-5);
}

/* ---------- Scroll-reveal ---------- */
[data-reveal] {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 700ms ease, transform 700ms ease;
}

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

[data-reveal-stagger] > * {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 600ms ease, transform 600ms ease;
}

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

[data-reveal-stagger].is-visible > *:nth-child(1) { transition-delay: 0ms; }
[data-reveal-stagger].is-visible > *:nth-child(2) { transition-delay: 100ms; }
[data-reveal-stagger].is-visible > *:nth-child(3) { transition-delay: 200ms; }
[data-reveal-stagger].is-visible > *:nth-child(4) { transition-delay: 300ms; }
[data-reveal-stagger].is-visible > *:nth-child(5) { transition-delay: 400ms; }
[data-reveal-stagger].is-visible > *:nth-child(6) { transition-delay: 500ms; }

/* ---------- Responsive ---------- */
@media (max-width: 820px) {
  .split {
    grid-template-columns: 1fr;
    gap: var(--space-5);
  }
}

@media (max-width: 768px) {
  .nav__toggle {
    display: flex;
  }

  .nav__list {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    gap: 0;
    background: var(--color-bg);
    border-bottom: 4px double var(--color-rust);
    padding: var(--space-3) var(--space-5);
    display: none;
  }

  .nav__list.is-open {
    display: flex;
  }

  .nav__list li {
    padding: var(--space-3) 0;
    border-bottom: 1px dashed var(--color-rust);
  }

  .nav__list li:last-child {
    border-bottom: 0;
  }

  .site-header__inner {
    position: relative;
  }

  .section,
  .hero {
    padding: var(--space-7) 0;
  }

  .telemetry {
    font-size: 0.65rem;
  }

  .site-footer__inner {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  body {
    font-size: 16px;
  }

  .site-logo__text {
    /* Hide the subtitle on small screens to save space. */
    display: none;
  }

  .card,
  .team-card,
  .readout {
    box-shadow: 4px 4px 0 var(--color-ink);
  }

  .btn {
    box-shadow: 3px 3px 0 var(--color-ink);
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}