/* ==========================================================
   juandav.github.io · space theme
   Palette taken from the GitHub profile README.
   ========================================================== */
:root {
  --void: #05061a;
  --deep: #0b0f2b;
  --nebula: #2d1b69;
  --violet: #6d28d9;
  --violet-2: #7c3aed;
  --lilac: #a78bfa;
  --lilac-soft: #c4b5fd;
  --pink: #f0abfc;
  --cyan: #67e8f9;
  --aws: #ff9900;
  --ok: #4ade80;

  --text: #e8e6ff;
  --muted: #a7a3cc;
  --line: rgba(167, 139, 250, 0.18);
  --glass: rgba(16, 14, 48, 0.55);

  --font-display: 'Orbitron', system-ui, sans-serif;
  --font-body: 'Space Grotesk', system-ui, sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, monospace;

  --radius: 14px;
  --gutter: clamp(16px, 4vw, 48px);
  --max: 1120px;
}

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

html { scroll-behavior: smooth; scroll-padding-top: 80px; }

body {
  margin: 0;
  min-height: 100vh;
  background: var(--void);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, p, ul, ol, dl, dd { margin: 0; }
a { color: var(--lilac); text-decoration: none; }
a:hover { color: var(--pink); }
strong { color: #fff; font-weight: 600; }
:focus-visible { outline: 2px solid var(--cyan); outline-offset: 3px; border-radius: 6px; }

/* ---------- Background ---------- */
#starfield {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: -2;
}

.nebula {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background:
    radial-gradient(60vw 50vh at 85% 10%, rgba(109, 40, 217, 0.28), transparent 70%),
    radial-gradient(50vw 50vh at 5% 60%, rgba(45, 27, 105, 0.45), transparent 70%),
    radial-gradient(40vw 30vh at 60% 100%, rgba(240, 171, 252, 0.10), transparent 70%);
}

/* ---------- Nav ---------- */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 14px var(--gutter);
  background: linear-gradient(to bottom, rgba(5, 6, 26, 0.85), rgba(5, 6, 26, 0));
  backdrop-filter: blur(6px);
}

.nav__brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-weight: 900;
  letter-spacing: 0.15em;
  color: #fff;
}

.nav__logo {
  width: 22px; height: 22px;
  border-radius: 50%;
  background: radial-gradient(circle at 35% 35%, var(--pink), var(--violet) 60%, var(--nebula));
  box-shadow: 0 0 14px var(--violet);
  position: relative;
}
.nav__logo::after {
  content: '';
  position: absolute;
  inset: 7px -6px;
  border: 1.5px solid var(--lilac-soft);
  border-radius: 50%;
  transform: rotate(-20deg);
}

.nav__links { display: flex; gap: 22px; align-items: center; }
.nav__links a {
  font-family: var(--font-mono);
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--muted);
}
.nav__links a:hover { color: #fff; }
.nav__links .nav__cta {
  color: #fff;
  padding: 7px 14px;
  border: 1px solid var(--violet-2);
  border-radius: 999px;
}

/* ---------- Shared ---------- */
.hud, .eyebrow, .tag, .module__id, .archive__code, .trajectory__label, .panel__title, .telemetry dt {
  font-family: var(--font-mono);
  text-transform: uppercase;
  letter-spacing: 0.12em;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 22px;
  border-radius: 999px;
  font-weight: 600;
  transition: transform .2s, box-shadow .2s, background .2s;
}
.btn--primary {
  color: #fff;
  background: linear-gradient(135deg, var(--violet), var(--violet-2) 50%, #a855f7);
  box-shadow: 0 0 0 1px rgba(255,255,255,.08) inset, 0 8px 30px rgba(124, 58, 237, 0.45);
}
.btn--primary:hover { color: #fff; transform: translateY(-2px); box-shadow: 0 12px 40px rgba(124, 58, 237, 0.65); }
.btn--ghost { color: var(--text); border: 1px solid var(--line); background: var(--glass); }
.btn--ghost:hover { color: #fff; border-color: var(--lilac); }
.btn--lg { padding: 16px 30px; font-size: 18px; }

.tag {
  display: inline-block;
  padding: 4px 10px;
  border-radius: 999px;
  font-size: 11px;
}
.tag--ok { color: var(--ok); background: rgba(74, 222, 128, 0.12); }
.tag--live { color: var(--aws); background: rgba(255, 153, 0, 0.12); }

.section {
  max-width: var(--max);
  margin: 0 auto;
  padding: clamp(80px, 12vw, 140px) var(--gutter) 0;
}

.section__head { margin-bottom: 44px; max-width: 720px; }
.eyebrow { color: var(--lilac); font-size: 13px; margin-bottom: 12px; }
.section h2 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(28px, 4.5vw, 44px);
  line-height: 1.15;
  letter-spacing: 0.02em;
}
.section__sub { color: var(--muted); margin-top: 14px; }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  min-height: 100vh;
  max-width: var(--max);
  margin: 0 auto;
  padding: 110px var(--gutter) 80px;
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  align-items: center;
  gap: 40px;
}

.hud { display: flex; align-items: center; gap: 10px; font-size: 12px; color: var(--muted); margin-bottom: 22px; }
.hud__dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--ok);
  box-shadow: 0 0 10px var(--ok);
  animation: pulse 2s infinite;
}

.hero__title {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(48px, 8.5vw, 96px);
  line-height: 1;
  letter-spacing: 0.02em;
  background: linear-gradient(120deg, #fff 20%, var(--lilac-soft) 55%, var(--pink));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  text-shadow: 0 0 60px rgba(167, 139, 250, 0.25);
}

.hero__role {
  margin-top: 20px;
  font-family: var(--font-mono);
  font-size: clamp(15px, 2vw, 19px);
  color: var(--lilac-soft);
  min-height: 1.6em;
}
.hero__prompt { color: var(--pink); margin-right: 8px; }
.caret {
  display: inline-block;
  width: 9px; height: 1.1em;
  margin-left: 3px;
  vertical-align: -0.15em;
  background: var(--lilac);
  animation: blink 1s steps(1) infinite;
}

.hero__lead { margin-top: 22px; max-width: 520px; color: var(--muted); font-size: 18px; }
.hero__actions { margin-top: 34px; display: flex; flex-wrap: wrap; gap: 14px; }

/* Orbit system */
.orbit {
  position: relative;
  width: min(440px, 80vw);
  aspect-ratio: 1;
  justify-self: center;
}
.orbit__core {
  position: absolute;
  inset: 30%;
  border-radius: 50%;
  padding: 4px;
  background: conic-gradient(from 0deg, var(--violet), var(--pink), var(--cyan), var(--violet));
  box-shadow: 0 0 60px rgba(124, 58, 237, 0.6), 0 0 140px rgba(124, 58, 237, 0.3);
  animation: spin 12s linear infinite;
}
.orbit__core img {
  width: 100%; height: 100%;
  border-radius: 50%;
  object-fit: cover;
  display: block;
  border: 4px solid var(--void);
  animation: spin 12s linear infinite reverse;
}
.orbit__ring {
  position: absolute;
  border: 1px dashed var(--line);
  border-radius: 50%;
  animation: spin linear infinite;
}
.orbit__ring--1 { inset: 18%; --period: 16s; }
.orbit__ring--2 { inset: 7%;  --period: 26s; animation-direction: reverse; }
.orbit__ring--3 { inset: -4%; --period: 40s; border-style: solid; border-color: rgba(167,139,250,.08); }
.orbit__ring { animation-duration: var(--period); }

.orbit__body {
  position: absolute;
  top: 50%; left: 0;
  transform: translate(-50%, -50%);
  display: grid;
  place-items: center;
  border-radius: 50%;
  font-family: var(--font-display);
  font-weight: 700;
  color: #fff;
  animation: counter-spin var(--period) linear infinite;
}
.orbit__ring--2 .orbit__body { animation-direction: normal; }
.orbit__ring--1 .orbit__body, .orbit__ring--3 .orbit__body { animation-direction: reverse; }
.orbit__body--aws {
  width: 46px; height: 46px; font-size: 11px;
  background: radial-gradient(circle at 30% 30%, #ffc266, var(--aws) 55%, #b35f00);
  box-shadow: 0 0 22px rgba(255, 153, 0, .6);
}
.orbit__body--ai {
  top: 0; left: 50%;
  width: 40px; height: 40px; font-size: 12px;
  background: radial-gradient(circle at 30% 30%, var(--pink), var(--violet-2) 60%, var(--nebula));
  box-shadow: 0 0 22px rgba(240, 171, 252, .6);
}
.orbit__body--rt {
  top: 85%; left: 85%;
  width: 30px; height: 30px; font-size: 9px;
  background: radial-gradient(circle at 30% 30%, #cffafe, var(--cyan) 50%, #0e7490);
  box-shadow: 0 0 18px rgba(103, 232, 249, .55);
}

.scroll-cue {
  position: absolute;
  bottom: 28px; left: 50%;
  width: 24px; height: 38px;
  margin-left: -12px;
  border: 1.5px solid var(--line);
  border-radius: 14px;
}
.scroll-cue span {
  position: absolute;
  top: 7px; left: 50%;
  width: 4px; height: 8px;
  margin-left: -2px;
  border-radius: 2px;
  background: var(--lilac);
  animation: scroll 1.8s infinite;
}

/* ---------- Current mission ---------- */
.mission {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 28px;
  align-items: stretch;
}

.trajectory {
  position: relative;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: start;
  align-content: center;
  gap: 20px;
  padding: 36px 32px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background:
    radial-gradient(circle at 100% 0%, rgba(255, 153, 0, 0.12), transparent 50%),
    var(--glass);
  backdrop-filter: blur(8px);
}
.trajectory__node { display: flex; flex-direction: column; gap: 8px; max-width: 170px; }
.trajectory__node strong { font-family: var(--font-display); font-size: 16px; line-height: 1.3; }
.trajectory__label { font-size: 11px; color: var(--muted); }
.trajectory__dot {
  width: 18px; height: 18px; border-radius: 50%;
  border: 2px solid var(--ok);
  background: rgba(74, 222, 128, 0.25);
}
.is-active .trajectory__dot {
  border-color: var(--aws);
  background: rgba(255, 153, 0, 0.25);
  box-shadow: 0 0 0 0 rgba(255, 153, 0, .6);
  animation: beacon 2s infinite;
}

.trajectory__path {
  position: relative;
  min-width: 60px;
  height: 0;
  margin-top: 8px;
  border-top: 2px dashed rgba(167, 139, 250, 0.4);
}
.ship {
  position: absolute;
  top: -9px; left: 0;
  width: 0; height: 0;
  border-left: 18px solid var(--pink);
  border-top: 8px solid transparent;
  border-bottom: 8px solid transparent;
  filter: drop-shadow(0 0 8px var(--pink));
  animation: travel 4s ease-in-out infinite;
}

.panel {
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--glass);
  backdrop-filter: blur(8px);
}
.panel__title { font-size: 12px; color: var(--lilac); margin-bottom: 18px; }
.checklist { list-style: none; padding: 0; display: grid; gap: 10px; }
.checklist li { position: relative; padding-left: 24px; color: var(--text); font-size: 15px; }
.checklist li::before {
  content: '';
  position: absolute;
  left: 2px; top: 0.55em;
  width: 8px; height: 8px;
  transform: rotate(45deg);
  border: 1.5px solid var(--aws);
}
.domains { list-style: none; padding: 0; display: grid; gap: 14px; }
.domains li {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 6px 12px;
  font-size: 15px;
}
.domains b { font-family: var(--font-mono); font-weight: 500; color: var(--aws); font-size: 13px; }
/* Bar length is the domain weight, scaled so the largest (28%) fills the row */
.domains li::after {
  content: '';
  grid-column: 1 / -1;
  height: 4px;
  width: calc(var(--w) / 28 * 100%);
  border-radius: 2px;
  background: linear-gradient(90deg, var(--aws), #ffc266);
  box-shadow: 0 0 10px rgba(255, 153, 0, 0.45);
}
.panel__foot { margin-top: 20px; padding-top: 16px; border-top: 1px solid var(--line); color: var(--muted); font-size: 14px; }

/* ---------- Briefing ---------- */
.briefing {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 48px;
  align-items: start;
}
.briefing__text { display: grid; gap: 18px; color: var(--muted); font-size: 18px; }

.telemetry {
  display: grid;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--glass);
  overflow: hidden;
}
.telemetry > div {
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: 16px;
  padding: 14px 20px;
  border-bottom: 1px solid var(--line);
}
.telemetry > div:last-child { border-bottom: 0; }
.telemetry dt { font-size: 11px; color: var(--lilac); padding-top: 4px; }
.telemetry dd { font-size: 15px; }

.principles {
  list-style: none;
  padding: 0;
  margin-top: 56px;
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 14px;
}
.principles li {
  padding: 20px;
  border-left: 2px solid var(--violet-2);
  background: linear-gradient(90deg, rgba(109, 40, 217, 0.14), transparent);
  color: var(--muted);
  font-size: 14px;
  border-radius: 0 var(--radius) var(--radius) 0;
}
.principles span {
  display: block;
  font-family: var(--font-display);
  font-size: 22px;
  color: var(--lilac);
  margin-bottom: 8px;
}
.principles strong { display: block; margin-bottom: 4px; font-size: 15px; }

/* ---------- Modules ---------- */
.modules {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}
.module {
  position: relative;
  padding: 30px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--glass);
  backdrop-filter: blur(8px);
  overflow: hidden;
  transition: border-color .25s, transform .25s;
}
.module::before {
  content: '';
  position: absolute;
  top: -60px; right: -60px;
  width: 160px; height: 160px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(124, 58, 237, 0.35), transparent 70%);
  transition: transform .4s;
}
.module:hover { border-color: rgba(167, 139, 250, 0.5); transform: translateY(-3px); }
.module:hover::before { transform: scale(1.5); }
.module__id { font-size: 11px; color: var(--pink); margin-bottom: 10px; }
.module h3 { font-family: var(--font-display); font-size: 20px; margin-bottom: 16px; }
.module ul { padding-left: 18px; color: var(--muted); display: grid; gap: 6px; font-size: 15px; }
.module li::marker { color: var(--lilac); }

/* ---------- Constellation ---------- */
.sky {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 8;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: radial-gradient(ellipse at center, rgba(45, 27, 105, 0.35), rgba(5, 6, 26, 0.4) 70%);
  overflow: hidden;
}
.sky svg { width: 100%; height: 100%; display: block; }
.sky .link { stroke: rgba(167, 139, 250, 0.28); stroke-width: 1; }
.sky .star { cursor: default; outline: none; }
.sky .star circle.glow { fill: rgba(167, 139, 250, 0.18); transition: r .2s; }
.sky .star circle.core { fill: #fff; }
.sky .star text {
  font-family: var(--font-mono);
  font-size: 19px;
  fill: var(--lilac-soft);
  opacity: 0.55;
  transition: opacity .2s;
  pointer-events: none;
}
.sky .star:hover text, .sky .star:focus text, .sky .star.is-named text { opacity: 1; fill: #fff; }
.sky .is-compact .star:not(.is-named):not(:hover):not(:focus) text { opacity: 0; }
.sky .is-compact .star text { font-size: 24px; }
.sky .is-compact .cluster-name { font-size: 24px; }
.sky .star:hover circle.glow, .sky .star:focus circle.glow { fill: rgba(240, 171, 252, 0.4); }
.sky .cluster-name {
  font-family: var(--font-display);
  font-size: 20px;
  letter-spacing: 0.2em;
  fill: rgba(240, 171, 252, 0.75);
}

.clusters {
  margin-top: 28px;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 22px;
}
.clusters h3 { font-family: var(--font-mono); font-size: 12px; text-transform: uppercase; letter-spacing: .12em; color: var(--lilac); margin-bottom: 8px; }
.clusters p { color: var(--muted); font-size: 14px; }

/* ---------- Archive ---------- */
.archive {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}
.archive article {
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--glass);
  transition: border-color .25s;
}
.archive article:hover { border-color: rgba(240, 171, 252, 0.45); }
.archive__code { font-size: 11px; color: var(--pink); }
.archive h3 { font-family: var(--font-display); font-size: 17px; margin: 10px 0 8px; }
.archive p { color: var(--muted); font-size: 15px; }

.beyond {
  margin-top: 48px;
  padding: 30px;
  border-radius: var(--radius);
  background: linear-gradient(135deg, rgba(109, 40, 217, 0.22), rgba(45, 27, 105, 0.15));
  border: 1px solid var(--line);
}
.beyond__title { font-family: var(--font-display); font-size: 18px; margin-bottom: 18px; }
.beyond__grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px 32px; color: var(--muted); font-size: 15px; }

/* ---------- Origin log ---------- */
.terminal {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(5, 6, 26, 0.82);
  backdrop-filter: blur(8px);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4);
  overflow: hidden;
  font-family: var(--font-mono);
}
.terminal__bar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 16px;
  border-bottom: 1px solid var(--line);
  background: rgba(45, 27, 105, 0.35);
}
.terminal__bar span { width: 11px; height: 11px; border-radius: 50%; background: #f87171; }
.terminal__bar span:nth-child(2) { background: #fbbf24; }
.terminal__bar span:nth-child(3) { background: var(--ok); }
.terminal__bar p { margin-left: auto; font-size: 12px; color: var(--muted); letter-spacing: 0.08em; }
.terminal__body { padding: 24px clamp(18px, 3vw, 32px) 28px; display: grid; gap: 18px; }
.terminal__cmd { font-size: 14px; color: var(--lilac-soft); }
.terminal__cmd::before { content: '$ '; color: var(--ok); }
.terminal__cmd--idle .caret { width: 8px; height: 1em; }

.origin { display: flex; align-items: center; gap: 22px; padding-left: 16px; }
.origin img { width: 96px; height: 96px; border-radius: 50%; border: 2px solid #009688; flex-shrink: 0; }
.origin__name { font-family: var(--font-body); font-size: 26px; color: #fff; }
.origin__sub { color: #2dd4bf; font-style: italic; margin: 2px 0 8px; }
.origin__bio { font-family: var(--font-body); color: var(--muted); max-width: 520px; }

.origin__skills { display: grid; gap: 6px; padding-left: 16px; font-size: 14px; }
.origin__skills > div { display: grid; grid-template-columns: 110px 1fr; gap: 16px; }
.origin__skills dt { color: #2dd4bf; }
.origin__skills dd { color: var(--text); }

.origin__links { display: flex; gap: 24px; padding-left: 16px; font-size: 14px; }

@media (max-width: 720px) {
  .origin { flex-direction: column; align-items: flex-start; }
  .origin__skills > div { grid-template-columns: 1fr; gap: 0; margin-bottom: 6px; }
}

/* ---------- Comms ---------- */
.comms { text-align: center; padding-bottom: 40px; }
.comms .section__sub { margin: 14px auto 34px; max-width: 520px; }
.channels {
  list-style: none;
  padding: 0;
  margin-top: 34px;
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 10px 28px;
}
.channels a {
  font-family: var(--font-mono);
  font-size: 14px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--muted);
}
.channels a:hover { color: #fff; }

.footer {
  padding: 60px var(--gutter) 40px;
  text-align: center;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(167, 163, 204, 0.6);
}

/* ---------- Cosmos layer: constellations & planets ---------- */
body { position: relative; }

.cosmos {
  position: absolute;
  inset: 0;
  z-index: -1;
  overflow: hidden;
  pointer-events: none;
}
.cosmos__item {
  position: absolute;
  width: var(--size);
  will-change: transform;
}

/* Constellations */
.const { width: 100%; height: auto; overflow: visible; }
.const__line {
  stroke: rgba(196, 181, 253, 0.5);
  stroke-width: 0.8;
  stroke-dasharray: 1;
  stroke-dashoffset: 1;
  transition: stroke-dashoffset 2.4s ease-out;
}
.is-drawn .const__line { stroke-dashoffset: 0; }
.const__halo { fill: rgba(196, 181, 253, 0.12); }
.const__star { fill: #fff; animation: twinkle 4s ease-in-out infinite; }
.const__name {
  font-family: var(--font-mono);
  font-size: 6.5px;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  fill: rgba(196, 181, 253, 0.55);
  opacity: 0;
  transition: opacity 1s 1.6s;
}
.is-drawn .const__name { opacity: 1; }

/* Planets */
.planet {
  position: relative;
  width: var(--size);
  aspect-ratio: 1;
}
.planet__surface {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  overflow: hidden;
}
/* Terminator shading, light coming from the upper left */
.planet__surface::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: 50%;
  background: radial-gradient(circle at 32% 30%, rgba(255, 255, 255, 0.18), transparent 35%, rgba(5, 6, 26, 0.55) 62%, rgba(5, 6, 26, 0.92) 80%);
}

/* Gas giant with drifting storm */
.planet--giant .planet__surface {
  background: linear-gradient(180deg,
    #3b1d6e 0%, #6d28d9 12%, #c4b5fd 20%, #8b5cf6 28%, #f0abfc 36%,
    #a78bfa 46%, #5b21b6 55%, #ddd6fe 63%, #7c3aed 72%, #f5d0fe 82%, #4c1d95 100%);
  box-shadow: 0 0 80px rgba(124, 58, 237, 0.45);
}
.planet__storm {
  position: absolute;
  top: 58%;
  left: -30%;
  width: 22%;
  height: 11%;
  border-radius: 50%;
  background: radial-gradient(ellipse, #fdf4ff 0%, #f472b6 45%, rgba(190, 24, 93, 0.6) 70%, transparent 72%);
  animation: drift 40s linear infinite;
}

/* Ringed planet */
.planet--ringed { transform: rotate(-18deg); }
.planet--ringed .planet__surface {
  background: linear-gradient(180deg, #fde68a, #f59e0b 30%, #fcd34d 45%, #d97706 60%, #fef3c7 75%, #b45309);
  box-shadow: 0 0 50px rgba(255, 153, 0, 0.35);
}
.planet__ring {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 210%;
  height: 46%;
  transform: translate(-50%, -50%);
  border-radius: 50%;
  border: calc(var(--size) * 0.07) solid rgba(253, 230, 138, 0.55);
  box-shadow: 0 0 0 calc(var(--size) * 0.03) rgba(196, 181, 253, 0.25), inset 0 0 0 calc(var(--size) * 0.02) rgba(251, 191, 36, 0.35);
}
.planet__ring--front { clip-path: inset(50% 0 0 0); }

/* Mars */
.planet--mars .planet__surface {
  background:
    radial-gradient(circle at 60% 40%, rgba(120, 30, 10, 0.7) 0 12%, transparent 14%),
    radial-gradient(circle at 35% 65%, rgba(120, 30, 10, 0.6) 0 9%, transparent 11%),
    radial-gradient(ellipse 40% 10% at 50% 6%, #fde2e2 60%, transparent 62%),
    #e0623a;
  box-shadow: 0 0 30px rgba(224, 98, 58, 0.45);
}

/* Moon with craters */
.planet--moon .planet__surface {
  background:
    radial-gradient(circle at 30% 35%, #9a98b0 0 8%, #6f6d88 9%, transparent 11%),
    radial-gradient(circle at 62% 28%, #9a98b0 0 5%, #6f6d88 6%, transparent 7%),
    radial-gradient(circle at 55% 62%, #9a98b0 0 11%, #6f6d88 12%, transparent 14%),
    radial-gradient(circle at 25% 70%, #9a98b0 0 4%, #6f6d88 5%, transparent 6%),
    radial-gradient(circle at 78% 55%, #9a98b0 0 3%, #6f6d88 4%, transparent 5%),
    #c9c7da;
  box-shadow: 0 0 40px rgba(201, 199, 218, 0.3);
}

/* Ice giant */
.planet--ice .planet__surface {
  background: linear-gradient(170deg, #cffafe, #67e8f9 25%, #22d3ee 45%, #a5f3fc 55%, #0891b2 75%, #164e63);
  box-shadow: 0 0 60px rgba(103, 232, 249, 0.35);
}

/* Earth with rotating continents and an orbiting moon */
.planet--earth .planet__surface {
  background: radial-gradient(circle at 40% 40%, #3b82f6, #1e3a8a 75%);
  box-shadow: 0 0 0 2px rgba(147, 197, 253, 0.25), 0 0 50px rgba(59, 130, 246, 0.55);
}
.planet__land {
  position: absolute;
  inset: 0 -100% 0 0;
  background:
    radial-gradient(ellipse 9% 16% at 12% 35%, #4ade80 60%, transparent 64%),
    radial-gradient(ellipse 6% 10% at 18% 62%, #22c55e 60%, transparent 64%),
    radial-gradient(ellipse 10% 12% at 34% 30%, #86efac 55%, transparent 60%),
    radial-gradient(ellipse 5% 18% at 30% 58%, #16a34a 60%, transparent 64%),
    radial-gradient(ellipse 9% 16% at 62% 35%, #4ade80 60%, transparent 64%),
    radial-gradient(ellipse 6% 10% at 68% 62%, #22c55e 60%, transparent 64%),
    radial-gradient(ellipse 10% 12% at 84% 30%, #86efac 55%, transparent 60%),
    radial-gradient(ellipse 5% 18% at 80% 58%, #16a34a 60%, transparent 64%),
    radial-gradient(ellipse 30% 6% at 50% 3%, #f8fafc 70%, transparent 72%),
    radial-gradient(ellipse 30% 6% at 50% 97%, #f8fafc 70%, transparent 72%);
  animation: rotate-land 30s linear infinite;
}
.planet__orbit {
  position: absolute;
  inset: -45%;
  border-radius: 50%;
  border: 1px dashed rgba(167, 139, 250, 0.25);
  animation: spin 18s linear infinite;
}
.planet__moon {
  position: absolute;
  top: 50%;
  left: -5px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: radial-gradient(circle at 35% 35%, #fff, #a1a1b5 70%);
  box-shadow: 0 0 10px rgba(255, 255, 255, 0.5);
}
.planet__label {
  position: absolute;
  top: calc(100% + 40%);
  left: 50%;
  transform: translateX(-50%);
  white-space: nowrap;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: rgba(196, 181, 253, 0.7);
}

@media (max-width: 720px) {
  .cosmos__item--desktop, .planet__label { display: none; }
  .cosmos__item--planet { opacity: 0.55; }
  .cosmos__item--constellation { opacity: 0.6; }
}

/* ---------- Reveal ---------- */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity .8s ease, transform .8s ease; }
.reveal.is-visible { opacity: 1; transform: none; }

/* ---------- Keyframes ---------- */
@keyframes spin { to { transform: rotate(360deg); } }
@keyframes counter-spin { from { transform: translate(-50%, -50%) rotate(0deg); } to { transform: translate(-50%, -50%) rotate(360deg); } }
@keyframes blink { 50% { opacity: 0; } }
@keyframes twinkle { 50% { opacity: 0.35; } }
@keyframes drift { to { left: 110%; } }
@keyframes rotate-land { to { transform: translateX(-50%); } }
@keyframes pulse { 50% { opacity: .4; } }
@keyframes scroll { 0% { opacity: 0; transform: translateY(0); } 40% { opacity: 1; } 100% { opacity: 0; transform: translateY(12px); } }
@keyframes beacon { 70% { box-shadow: 0 0 0 14px rgba(255, 153, 0, 0); } 100% { box-shadow: 0 0 0 0 rgba(255, 153, 0, 0); } }
@keyframes travel { 0% { left: 0; opacity: 0; } 15% { opacity: 1; } 85% { opacity: 1; } 100% { left: calc(100% - 18px); opacity: 0; } }

/* ---------- Responsive ---------- */
@media (max-width: 960px) {
  .hero { grid-template-columns: 1fr; text-align: left; padding-top: 120px; }
  .orbit { width: min(320px, 72vw); order: -1; }
  .mission, .briefing { grid-template-columns: 1fr; }
  .principles { grid-template-columns: repeat(2, 1fr); }
  .archive { grid-template-columns: repeat(2, 1fr); }
  .sky { aspect-ratio: 4 / 3; }
}

@media (max-width: 720px) {
  .nav__links a:not(.nav__cta) { display: none; }
  .modules, .archive, .principles, .beyond__grid { grid-template-columns: 1fr; }
  .trajectory { grid-template-columns: 1fr; padding: 28px 24px; }
  .trajectory__node { max-width: none; }
  .trajectory__path {
    height: 48px;
    width: 0;
    margin: 0 0 0 8px;
    border-top: 0;
    border-left: 2px dashed rgba(167, 139, 250, 0.4);
    border-radius: 0;
  }
  .ship { display: none; }
  .telemetry > div { grid-template-columns: 1fr; gap: 2px; }
  .sky { aspect-ratio: 3 / 4; }
  .scroll-cue { display: none; }
}

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

/* ---------- Platzi stats & motto ---------- */
.stats { display: flex; gap: 28px; margin-top: 12px; }
.stats dt { font-family: var(--font-mono); font-size: 11px; text-transform: uppercase; letter-spacing: .12em; color: var(--muted); }
.stats dd { font-family: var(--font-display); font-size: 22px; color: #98ca3f; }

.motto {
  margin: 4px 0;
  padding: 6px 0 6px 18px;
  border-left: 2px solid var(--pink);
  font-family: var(--font-display);
  font-size: 17px;
  line-height: 1.5;
  color: var(--lilac-soft);
}