/* =========================================================
   ISHAVASYAM.ORG | SPACE STATION — homepage
   Visual family: aerospace.ishavasyam.org/space (Manrope + Inter, deep navy),
   tuned quieter and more institutional. Gold is reserved for the mantra.
   ========================================================= */

/* Self-hosted (SIL Open Font License 1.1): Inter, Manrope, Noto Serif Devanagari. Variable woff2 subsets from Google Fonts. */
@font-face {
  font-family: "Inter";
  font-style: normal;
  font-weight: 400 600;
  font-display: swap;
  src: url("/assets/fonts/inter-latin.woff2") format("woff2");
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: "Manrope";
  font-style: normal;
  font-weight: 500 700;
  font-display: swap;
  src: url("/assets/fonts/manrope-latin.woff2") format("woff2");
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: "Noto Serif Devanagari";
  font-style: normal;
  font-weight: 500;
  font-display: swap;
  src: url("/assets/fonts/noto-serif-devanagari-500-devanagari.woff2") format("woff2");
  unicode-range: U+0900-097F, U+1CD0-1CF9, U+200C-200D, U+20A8, U+20B9, U+20F0, U+25CC, U+A830-A839, U+A8E0-A8FF, U+11B00-11B09;
}

:root {
  --bg: #06081a;
  --bg-2: #090c21;
  --bg-deep: #03040c;
  --surface: #0c1028;
  --line: rgba(214, 224, 255, 0.09);
  --line-2: rgba(214, 224, 255, 0.17);
  --text: #eef1f8;
  --text-2: #b6bcd1;
  --text-3: #8e95ae;
  --accent: #a4c4ff;
  --accent-strong: #c8dbff;
  --gold: #d8c28e;
  --planned: #e6c07a;

  --plan-line: rgba(196, 210, 240, 0.42);
  --plan-line-soft: rgba(196, 210, 240, 0.26);
  --plan-line-faint: rgba(196, 210, 240, 0.12);
  --plan-fill: rgba(196, 210, 240, 0.035);
  --plan-hl: #b3cfff;
  --plan-hl-soft: rgba(164, 196, 255, 0.5);
  --plan-hl-fill: rgba(140, 180, 255, 0.2);

  --font-head: "Manrope", "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --font-body: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --font-deva: "Noto Serif Devanagari", "Kohinoor Devanagari", "Devanagari Sangam MN", "Noto Sans Devanagari", "Nirmala UI", "Mangal", serif;

  /* vertical rhythm */
  --space-xs: 0.5rem;
  --space-sm: 0.75rem;
  --space-md: 1rem;
  --space-lg: 1.25rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  /* hanging indent shared by every bulleted list: marker on the content axis, text one step in */
  --list-indent: 1rem;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

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

html {
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
  background: var(--bg);
}

@media (prefers-reduced-motion: no-preference) {
  html { scroll-behavior: smooth; }
}

body {
  margin: 0;
  min-width: 320px;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

h1, h2, h3 {
  font-family: var(--font-head);
  font-weight: 600;
  line-height: 1.15;
  margin: 0;
  color: var(--text);
}

p, figure, blockquote, dl, dd, ol, ul { margin: 0; }
ol, ul { padding: 0; list-style: none; }
img, svg { display: block; max-width: 100%; }
a { color: inherit; }
address { font-style: normal; }
cite { font-style: normal; }

[id] { scroll-margin-top: calc(var(--site-header-h) + 16px); }

/* ==== ISHAVASYAM.ORG site shell ==================================================
   Identical in assets/css/home.css and styles.css — tests/site.test.mjs fails if they drift.
   System A, full bleed: sections, hero art, the 3D scene and page-wide rules span the viewport.
   System B, content grid: every logo, heading, paragraph, control and footer line sits in
   .container — one max width and one fluid gutter (18px at 320, ~22px at 390, 24px at 430,
   40px from ~715px up), widened to the safe area on notched screens. */
:root {
  --site-max: 1240px;
  --site-gutter: clamp(18px, 5.6vw, 40px);
  --site-gutter-l: max(var(--site-gutter), env(safe-area-inset-left, 0px));
  --site-gutter-r: max(var(--site-gutter), env(safe-area-inset-right, 0px));
  --site-header-h: 64px;
}
.container {
  width: 100%;
  max-width: var(--site-max);
  margin-inline: auto;
  padding-left: var(--site-gutter-l);
  padding-right: var(--site-gutter-r);
}
/* Header: brand on the left content edge, navigation centred on the site axis, action on the
   right content edge. Both pages switch between the collapsed menu and this layout at 1024px —
   the same breakpoint as the Space Station desktop hero, and the narrowest width at which the
   six-item Space Station navigation still fits centred beside its logo. */
@media (min-width: 1024px) {
  .site-header .container.header-shell {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    align-items: center;
    column-gap: 1.5rem;
  }
  .site-header .header-shell > :first-child { grid-column: 1; justify-self: start; }
  .site-header .header-shell > .primary-nav { grid-column: 2; }
  .site-header .header-shell > :last-child { grid-column: 3; justify-self: end; }
}
/* ==== end site shell ============================================================== */

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

.sprite { position: absolute; width: 0; height: 0; overflow: hidden; }

.skip-link {
  position: absolute;
  top: -100px;
  left: 1rem;
  z-index: 300;
  padding: 0.75rem 1.1rem;
  border-radius: 8px;
  background: var(--text);
  color: var(--bg);
  font-weight: 600;
  text-decoration: none;
}
.skip-link:focus { top: 0.75rem; }

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 4px;
}

/* ---------- Buttons & links ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.65rem;
  min-height: 48px;
  padding: 0.8rem 1.35rem;
  border-radius: 10px;
  border: 1px solid transparent;
  font: 600 0.97rem/1.2 var(--font-body);
  letter-spacing: 0.005em;
  text-decoration: none;
  cursor: pointer;
  transition: background-color 0.3s var(--ease), border-color 0.3s var(--ease), box-shadow 0.3s var(--ease), color 0.3s var(--ease);
}

.btn-primary {
  background: var(--text);
  color: #070a1c;
}
.btn-primary:hover {
  background: #fff;
  box-shadow: 0 14px 40px -16px rgba(164, 196, 255, 0.7);
}

.btn-outline {
  background: rgba(238, 241, 248, 0.03);
  border-color: var(--line-2);
  color: var(--text);
}
.btn-outline:hover {
  border-color: rgba(164, 196, 255, 0.6);
  background: rgba(164, 196, 255, 0.06);
}

.btn-lg { min-height: 54px; padding: 0.95rem 1.6rem; font-size: 1.02rem; text-align: center; }
@media (max-width: 374px) {
  .btn-lg { padding-inline: 0.9rem; gap: 0.5rem; font-size: 0.93rem; }
}
.btn-sm { min-height: 40px; padding: 0.5rem 1rem; font-size: 0.87rem; }

.btn-arrow { transition: transform 0.35s var(--ease); }
.btn:hover .btn-arrow { transform: translateX(3px); }

.text-link {
  display: inline-block;
  padding-block: 0.6rem;
  line-height: 1.5;
  color: var(--accent);
  font-weight: 500;
  text-decoration: underline;
  text-decoration-color: rgba(164, 196, 255, 0.35);
  text-underline-offset: 0.3em;
  transition: color 0.25s var(--ease), text-decoration-color 0.25s var(--ease);
}
.text-link:hover { color: var(--accent-strong); text-decoration-color: currentColor; }

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--site-header-h);
  display: flex;
  align-items: center;
  background: rgba(6, 8, 26, 0.86);
  -webkit-backdrop-filter: blur(14px) saturate(120%);
  backdrop-filter: blur(14px) saturate(120%);
  border-bottom: 1px solid var(--line);
  transition: border-color 0.3s var(--ease), background-color 0.3s var(--ease);
}
.site-header.is-scrolled { background: rgba(6, 8, 26, 0.94); border-bottom-color: var(--line-2); }

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  min-height: 44px;
  text-decoration: none;
  color: var(--text);
}
/* the mark's artwork is inset 7/64 inside its viewBox; pull it back so its ink starts on the content axis */
.brand-mark { width: 26px; height: 26px; margin-left: -3px; color: var(--accent); flex: none; }
.brand-text { display: flex; flex-direction: column; line-height: 1.1; }
.brand-name { font: 700 0.95rem/1.1 var(--font-head); letter-spacing: 0.06em; }
.brand-sub { margin-top: 0.2rem; font: 500 0.66rem/1 var(--font-body); letter-spacing: 0.16em; text-transform: uppercase; color: var(--text-3); }

.primary-nav { display: flex; align-items: center; gap: 1.9rem; }
.primary-nav a:not(.btn) {
  position: relative;
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-2);
  text-decoration: none;
  transition: color 0.25s var(--ease);
}
.primary-nav a:not(.btn)::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 9px;
  height: 1px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.3s var(--ease);
}
.primary-nav a:not(.btn):hover,
.primary-nav a:not(.btn):focus-visible { color: var(--text); }
.primary-nav a:not(.btn):hover::after,
.primary-nav a:not(.btn):focus-visible::after { transform: scaleX(1); }

.header-actions { display: flex; align-items: center; gap: 0.75rem; }

.nav-toggle {
  display: none;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  padding: 0;
  border: 1px solid var(--line-2);
  border-radius: 10px;
  background: transparent;
  cursor: pointer;
}
.nav-toggle span {
  display: block;
  width: 18px;
  height: 1.5px;
  background: var(--text);
  border-radius: 2px;
  transition: transform 0.3s var(--ease), opacity 0.3s var(--ease);
}
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

.mobile-cta { display: none; }

@media (max-width: 1099px) {
  .header-actions .btn { display: none; }
  .primary-nav { gap: 1.4rem; }
}

@media (max-width: 1023px) {
  .primary-nav {
    position: fixed;
    top: var(--site-header-h);
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 0.5rem var(--site-gutter-r) 1.5rem var(--site-gutter-l);
    background: var(--bg);
    border-bottom: 1px solid var(--line-2);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-6px);
    transition: opacity 0.25s var(--ease), transform 0.25s var(--ease), visibility 0.25s;
  }
  body.nav-open .primary-nav { opacity: 1; visibility: visible; transform: none; }
  body.nav-open { overflow: hidden; }
  .primary-nav a:not(.btn) {
    min-height: 52px;
    font-size: 1.02rem;
    color: var(--text);
    border-bottom: 1px solid var(--line);
  }
  .primary-nav a:not(.btn)::after { display: none; }
  .primary-nav .mobile-cta { display: inline-flex; margin-top: 1.1rem; }
  .nav-toggle { display: inline-flex; }
}

/* ---------- Mantra ---------- */
.mantra {
  border-bottom: 1px solid var(--line);
  background: linear-gradient(180deg, #070919, var(--bg));
}
.mantra-figure {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.15rem;
  padding-block: 0.6rem 0.55rem;
  text-align: center;
}
.mantra-verse p {
  font-family: var(--font-deva);
  font-weight: 500;
  font-size: clamp(0.84rem, 0.3vw + 0.78rem, 1.04rem);
  line-height: 1.62;
  color: rgba(216, 194, 142, 0.88);
  letter-spacing: 0.01em;
}
.mantra-verse span { display: block; }
.mantra-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: center;
  column-gap: 0.45rem;
  font-size: 0.72rem;
  letter-spacing: 0.02em;
  color: var(--text-3);
}
.mantra-dash { color: var(--text-3); opacity: 0.7; }
.mantra-link {
  position: relative;
  color: var(--text-2);
  font-weight: 500;
  text-decoration: underline;
  text-decoration-color: rgba(216, 194, 142, 0.4);
  text-underline-offset: 0.3em;
}
/* comfortable touch target without making the strip taller */
.mantra-link::after { content: ""; position: absolute; inset: -12px -10px; }
.mantra-link:hover { color: var(--gold); text-decoration-color: currentColor; }
.mantra-link-more { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

@media (min-width: 1100px) {
  .mantra-figure { flex-direction: row; align-items: baseline; justify-content: center; gap: 2rem; padding-block: 0.7rem; }
  .mantra-verse span { display: inline; }
  .mantra-verse span + span::before { content: ""; display: inline-block; width: 0.9em; }
  .mantra-meta { flex-wrap: nowrap; font-size: 0.76rem; }
  .mantra-link-more { position: static; width: auto; height: auto; overflow: visible; clip: auto; }
}

/* ---------- Hero ---------- */
.hero {
  position: relative;
  display: flex;
  flex-direction: column;
  background: var(--bg);
  isolation: isolate;
}

.hero-head { padding-top: clamp(1.6rem, 5vw, 3rem); }
.hero-foot { padding-block: 1.1rem 3rem; }
.hero-foot .container { display: flex; flex-direction: column; gap: 1.25rem; }
.hero-foot .hero-actions { order: -1; }

.hero-title { font-weight: 700; }
.hero-org {
  display: block;
  font: 600 clamp(0.82rem, 0.4vw + 0.74rem, 1.05rem)/1.2 var(--font-head);
  letter-spacing: 0.16em;
  color: var(--text-2);
}
.hero-sep { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.hero-main {
  display: block;
  margin-top: 0.45rem;
  font: 700 clamp(2rem, min(9vw, 7.5svh), 4.9rem)/0.98 var(--font-head);
  letter-spacing: -0.012em;
  text-transform: uppercase;
  color: var(--text);
}
.hero-subline {
  margin-top: 0.85rem;
  font-size: clamp(0.72rem, 3.55vw, 1.02rem);
  font-weight: 500;
  letter-spacing: 0.035em;
  white-space: nowrap;
  color: var(--accent);
}
.hero-mission {
  margin-top: 1.1rem;
  max-width: 32rem;
  font: 500 clamp(1.14rem, 1.1vw + 0.92rem, 1.62rem)/1.36 var(--font-head);
  letter-spacing: -0.01em;
  color: var(--text);
  text-wrap: balance;
}
.hero-support { max-width: 31rem; font-size: 1rem; color: var(--text-2); text-wrap: pretty; }
.hero-actions .btn { width: 100%; }

.hero-visual {
  position: relative;
  width: 100%;
  aspect-ratio: 4 / 3;
  max-height: 64svh;
  margin-top: 1.25rem;
  overflow: hidden;
  background: var(--bg-deep);
}
/* the poster never sizes the hero: its box comes from layout (aspect-ratio on phones, grid on desktop) */
.hero-poster { position: absolute; inset: 0; }
.hero-poster,
.hero-poster img {
  display: block;
  width: 100%;
  height: 100%;
}
.hero-poster img { object-fit: cover; object-position: 50% 50%; }

.hero-visual .station-canvas {
  position: absolute;
  inset: 0;
  z-index: 1;
  opacity: 0;
  transition: opacity 1.8s var(--ease);
}
.hero-visual.is-live .station-canvas { opacity: 1; }

/* blends the band into the page; on desktop also carries the text scrim */
.hero-visual::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 2;
  pointer-events: none;
  background:
    linear-gradient(180deg, var(--bg) 0%, rgba(6, 8, 26, 0) 16%),
    linear-gradient(0deg, var(--bg) 0%, rgba(6, 8, 26, 0) 20%);
}

/* phones/tablets: a quiet disclaimer between the station and the CTA */
.hero-caption {
  position: relative;
  z-index: 3;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.15rem;
  margin-top: -0.35rem;
  padding-left: var(--site-gutter-l);
  padding-right: var(--site-gutter-r);
  font-size: 0.7rem;
  line-height: 1.4;
  text-align: center;
  text-wrap: balance;
  color: var(--text-3);
}
.hero-caption-label {
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-2);
}

/* Stacked hero (phones, tablets, and any tall viewport): text → station → disclaimer → CTA.
   One centre axis runs through the mantra, identity, mission, station, disclaimer, CTA and support line. */
@media not all and (min-width: 1024px) and (min-aspect-ratio: 5/4) {
  /* the band's upper edge is dark space blended into the page, so it can tuck under the mission text */
  .hero-head { position: relative; z-index: 3; }
  .hero-visual { margin-top: -1.75rem; }

  .hero-head .container,
  .hero-foot .container { align-items: center; text-align: center; }
  .hero-mission { margin-inline: auto; }
  .hero-support { max-width: 21rem; text-wrap: balance; }
  .hero-actions { width: 100%; }
  /* tracked capitals end in letter-spacing; pad the leading side by the same amount so the ink is centred */
  .hero-org { padding-left: 0.16em; }
  .hero-caption-label { padding-left: 0.12em; }

  @media (max-height: 740px) {
    .hero-visual { max-height: 40svh; }
    .hero-head { padding-top: 1.25rem; }
  }

  @media (min-width: 560px) {
    .hero-actions .btn { width: auto; }
    .hero-foot .container { gap: 1.1rem; }
    .hero-support { max-width: 31rem; }
  }

  /* tablets in portrait: keep the CTA within the first screen */
  @media (min-width: 600px) and (orientation: portrait) {
    .hero-visual { max-height: 44svh; }
  }
}

/* short landscape phones: compact mantra, station band inside the viewport */
@media (max-width: 1023px) and (orientation: landscape) and (max-height: 560px) {
  .hero-visual { aspect-ratio: 16 / 9; max-height: 82svh; }
  .mantra-figure { gap: 0.1rem; padding-block: 0.5rem 0.4rem; }
  .mantra-verse p { font-size: 0.86rem; line-height: 1.6; }
  .mantra-verse span { display: inline; }
  .mantra-verse span + span::before { content: ""; display: inline-block; width: 0.8em; }
  .hero-mission { font-size: 1.1rem; }
}

@media (min-width: 1024px) and (min-aspect-ratio: 5/4) {
  .hero {
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    grid-template-rows: 1fr auto auto 1fr;
    min-height: clamp(620px, calc(100svh - var(--site-header-h) - 58px), 1040px);
  }
  .hero-visual {
    grid-row: 1 / -1;
    grid-column: 1;
    aspect-ratio: auto;
    max-height: none;
    height: 100%;
    margin: 0;
  }
  .hero-visual::after {
    background:
      linear-gradient(90deg, rgba(6, 8, 26, 0.92) 0%, rgba(6, 8, 26, 0.8) 30%, rgba(6, 8, 26, 0.4) 44%, rgba(6, 8, 26, 0) 58%),
      linear-gradient(0deg, var(--bg) 0%, rgba(6, 8, 26, 0) 14%);
  }
  .hero-head,
  .hero-foot { grid-column: 1; position: relative; z-index: 3; padding: 0; }
  .hero-head { grid-row: 2; }
  .hero-foot { grid-row: 3; padding-top: 1.35rem; }
  .hero-foot .container { gap: 2rem; }
  .hero-foot .hero-actions { order: 0; }
  .hero-actions .btn { width: auto; }
  .hero-main { font-size: clamp(3.3rem, 4.4vw, 4.9rem); }
  .hero-mission { max-width: 30rem; }
  .hero-caption {
    grid-row: 1 / -1;
    grid-column: 1;
    align-self: end;
    justify-self: end;
    align-items: flex-end;
    margin: 0 var(--site-gutter-r) 1.5rem 0;
    padding: 0;
    font-size: 0.72rem;
    text-align: right;
    pointer-events: none;
  }
}

/* ---------- Sections ---------- */
.section { position: relative; padding-block: clamp(3.75rem, 7vw + 1rem, 8.5rem); }

.eyebrow {
  margin-bottom: 1rem;
  font-size: 0.76rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
}

.section h2 {
  font-size: clamp(1.8rem, 2.6vw + 1rem, 2.75rem);
  letter-spacing: -0.02em;
  text-wrap: balance;
}

.section-head { max-width: 46rem; margin-bottom: clamp(var(--space-xl), 5vw, 4rem); }
.section-intro { margin-top: var(--space-lg); font-size: 1.06rem; color: var(--text-2); }

.lead { font-size: clamp(1.08rem, 0.4vw + 1rem, 1.22rem); line-height: 1.55; color: var(--text); }
.section p { color: var(--text-2); }
.section p.lead { color: var(--text); }
.section p strong { color: var(--text); font-weight: 600; }

/* Alignment of running text, identical on phones and desktop:
   - justified (hyphenated, flush to both edges of the column): the frontier descriptions and the
     schematic caption — blocks that justify without rivers at every width from 320px up (checked
     by tools/align-audit.mjs);
   - left-aligned: leads, section intros, the lab column descriptions, collaboration and contact copy,
     the small-print footer disclaimer (visible gaps when justified at 12.8px); headings, labels,
     list items, timeline captions and controls. */
.schematic-note,
.frontier > p:not(.frontier-num):not(.frontier-tag) {
  text-align: justify;
  -webkit-hyphens: auto;
  hyphens: auto;
  -webkit-hyphenate-limit-lines: 2;
  hyphenate-limit-lines: 2;
}

/* ---------- Mission ---------- */
.mission { border-top: 1px solid var(--line); }
.mission .question {
  max-width: 17ch;
  font-size: clamp(2rem, 3.6vw + 1rem, 3.9rem);
  font-weight: 500;
  line-height: 1.06;
  letter-spacing: -0.03em;
}

.mission-grid {
  display: grid;
  grid-template-areas: "text" "schem" "facts";
  gap: var(--space-xl);
  margin-top: clamp(var(--space-lg), 3vw, 3rem);
}
.mission-text { grid-area: text; max-width: 38rem; }
.schematic { grid-area: schem; }
.facts { grid-area: facts; }

/* Space Station Digital Twin — the current research direction, set on the content axis (no card):
   an accent rule like the "Current" lab column, then current (solid) vs planned (dashed) stages. */
.twin {
  margin-top: var(--space-xl);
  padding-top: 1.5rem;
  border-top: 1px solid rgba(164, 196, 255, 0.45);
}
.twin h3 {
  margin: 0.85rem 0 0.6rem;
  font-size: clamp(1.35rem, 0.8vw + 1.15rem, 1.6rem);
  letter-spacing: -0.015em;
}
.twin p { font-size: 0.98rem; }
.twin p + p { margin-top: var(--space-sm); }
.twin-flow { display: grid; gap: 0.9rem; margin-top: var(--space-lg); }
.twin-row { display: flex; flex-direction: column; gap: 0.35rem; }
.section .twin-row-state {
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
}
.section .twin-row--planned .twin-row-state { color: var(--planned); }
.twin-steps {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  row-gap: 0.35rem;
  font: 600 0.82rem/1.3 var(--font-head);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text);
}
.twin-steps > span + span::before {
  content: "";
  display: inline-block;
  width: 1.5rem;
  height: 1.5px;
  margin: 0 0.55rem;
  background: var(--accent);
  vertical-align: middle;
}
/* drawn dashes (not border-style: dashed, which reads as typed hyphens at this size) */
.twin-row--planned .twin-steps > span + span::before { background: repeating-linear-gradient(90deg, var(--planned) 0 5px, transparent 5px 9px); }
.section .twin-note { margin-top: var(--space-lg); font-size: 0.86rem; color: var(--text-3); }
.twin .text-link { margin-top: 0.35rem; }

/* phones: one clean column (label over value); two columns once there is room */
.facts {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  column-gap: clamp(1rem, 3vw, 2rem);
}
@media (min-width: 560px) { .facts { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
.facts > div {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
  padding-block: 0.9rem;
  border-top: 1px solid var(--line-2);
}
.facts dt {
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-3);
}
.facts dd { font-size: 0.94rem; line-height: 1.45; color: var(--text); }
.facts .status { margin-right: 0.35rem; }
.facts-note { display: block; margin-top: 0.4rem; font-size: 0.8rem; color: var(--text-3); }

@media (min-width: 1024px) {
  .mission-grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    grid-template-areas: "text schem" "facts schem";
    grid-template-rows: auto 1fr;
    column-gap: clamp(3rem, 5vw, 5rem);
    row-gap: 2.5rem;
    align-items: start;
  }
  .schematic { position: sticky; top: calc(var(--site-header-h) + 2rem); }
}

.schematic-frame {
  padding: clamp(0.5rem, 2vw, 1.5rem);
  border: 1px solid var(--line);
  border-radius: 16px;
  background:
    radial-gradient(120% 90% at 50% 45%, rgba(52, 78, 150, 0.16), rgba(6, 8, 26, 0) 70%),
    repeating-linear-gradient(0deg, rgba(196, 210, 240, 0.028) 0 1px, transparent 1px 32px),
    repeating-linear-gradient(90deg, rgba(196, 210, 240, 0.028) 0 1px, transparent 1px 32px),
    #070a1d;
}
.schematic-plan { width: 100%; height: auto; overflow: visible; }

.callout line { stroke: var(--plan-hl-soft); stroke-width: 1; vector-effect: non-scaling-stroke; }
.callout circle { fill: #0b1031; stroke: var(--accent); stroke-width: 1; vector-effect: non-scaling-stroke; transition: fill 0.3s var(--ease); }
.callout text {
  font: 600 2.7px var(--font-body);
  fill: var(--text);
  text-anchor: middle;
  dominant-baseline: central;
  transition: fill 0.3s var(--ease);
}

.schematic-legend {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0 1rem;
  margin-top: 1rem;
}
@media (min-width: 360px) { .schematic-legend { grid-template-columns: 1fr 1fr; } }
@media (min-width: 1280px) { .schematic-legend { grid-template-columns: repeat(3, 1fr); } }
.schematic-legend a {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  white-space: nowrap;
  min-height: 44px;
  font-size: 0.88rem;
  color: var(--text-2);
  text-decoration: none;
  border-bottom: 1px solid var(--line);
  transition: color 0.25s var(--ease);
}
.schematic-legend a:hover,
.schematic-legend a:focus-visible { color: var(--text); }
.legend-num {
  display: inline-grid;
  place-items: center;
  flex: none;
  width: 1.4rem;
  height: 1.4rem;
  border: 1px solid rgba(164, 196, 255, 0.6);
  border-radius: 50%;
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--accent);
  font-variant-numeric: tabular-nums;
}
.schematic-note { margin-top: 0.9rem; font-size: 0.78rem; color: var(--text-3); }

/* ---------- Plan-view schematic (shared <symbol>, styled through custom properties) ---------- */
.p-base { fill: var(--plan-fill); stroke: var(--plan-line-soft); stroke-width: 1; }
.p-arch { fill: var(--f-arch, var(--plan-fill)); stroke: var(--s-arch, var(--plan-line)); stroke-width: 1; }
.p-arch-lattice { fill: none; stroke: var(--s-arch, var(--plan-line-soft)); stroke-width: 0.75; }
.p-life { fill: var(--f-life, var(--plan-fill)); stroke: var(--s-life, var(--plan-line)); stroke-width: 1; }
.p-power { fill: var(--f-power, var(--plan-fill)); stroke: var(--s-power, var(--plan-line)); stroke-width: 1; }
.p-power-cell { fill: none; stroke: var(--s-power-cell, var(--plan-line-faint)); stroke-width: 0.6; }
.p-robo { fill: var(--f-robo, var(--plan-fill)); stroke: var(--s-robo, var(--plan-line)); stroke-width: 1; }
.p-arm { fill: none; stroke-width: 1.6; }
.p-avio { fill: var(--f-avio, var(--plan-fill)); stroke: var(--s-avio, var(--plan-line)); stroke-width: 1; }
.p-bus { fill: none; stroke: var(--s-avio-bus, transparent); stroke-width: 1.25; stroke-dasharray: 0.9 0.6; }
.p-net { fill: none; stroke: var(--s-health-net, transparent); stroke-width: 1; stroke-dasharray: 0.5 0.6; }
.p-health { fill: var(--s-health, var(--plan-line-soft)); stroke: none; }
.p-dashed { stroke-dasharray: 0.6 0.5; }
.p-port { stroke-width: 1; }

[data-sys="arch"] { --s-arch: var(--plan-hl); --f-arch: var(--plan-hl-fill); }
[data-sys="life"] { --s-life: var(--plan-hl); --f-life: var(--plan-hl-fill); }
[data-sys="power"] { --s-power: var(--plan-hl); --f-power: var(--plan-hl-fill); --s-power-cell: var(--plan-hl-soft); }
[data-sys="robo"] { --s-robo: var(--plan-hl); --f-robo: var(--plan-hl-fill); }
[data-sys="avio"] { --s-avio: var(--plan-hl); --f-avio: var(--plan-hl-fill); --s-avio-bus: var(--plan-hl-soft); }
[data-sys="health"] { --s-health: var(--plan-hl); --s-health-net: var(--plan-hl-soft); }

.schematic[data-sys] .callout circle { fill: #0b1031; }
.schematic[data-sys="arch"] .callout[data-sys="arch"] circle,
.schematic[data-sys="health"] .callout[data-sys="health"] circle,
.schematic[data-sys="power"] .callout[data-sys="power"] circle,
.schematic[data-sys="life"] .callout[data-sys="life"] circle,
.schematic[data-sys="avio"] .callout[data-sys="avio"] circle,
.schematic[data-sys="robo"] .callout[data-sys="robo"] circle { fill: var(--accent); }
.schematic[data-sys="arch"] .callout[data-sys="arch"] text,
.schematic[data-sys="health"] .callout[data-sys="health"] text,
.schematic[data-sys="power"] .callout[data-sys="power"] text,
.schematic[data-sys="life"] .callout[data-sys="life"] text,
.schematic[data-sys="avio"] .callout[data-sys="avio"] text,
.schematic[data-sys="robo"] .callout[data-sys="robo"] text { fill: #070a1c; }

/* ---------- Frontiers ---------- */
.frontiers {
  background: linear-gradient(180deg, var(--bg) 0%, var(--bg-2) 100%);
  border-top: 1px solid var(--line);
}

.frontier-list {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0 2.5rem;
}
@media (min-width: 700px) { .frontier-list { grid-template-columns: 1fr 1fr; } }
@media (min-width: 1100px) { .frontier-list { grid-template-columns: repeat(3, 1fr); } }

.frontier {
  display: flex;
  flex-direction: column;
  padding-block: 1.35rem 0.4rem;
  border-top: 1px solid var(--line-2);
}
/* phones: compact disclosure list — the integrated schematic above already locates each frontier */
.frontier-plan { display: none; }

@media (min-width: 700px) {
  .frontier-list { row-gap: 3rem; }
  .frontier { padding-block: 1.4rem 0; }
  .frontier-plan {
    display: block;
    width: 100%;
    height: auto;
    aspect-ratio: 92 / 60;
    margin-bottom: 1.25rem;
    border-radius: 12px;
    background: radial-gradient(90% 85% at 50% 50%, rgba(52, 78, 150, 0.13), rgba(6, 8, 26, 0) 75%);
    overflow: visible;
  }
}
.frontier-num {
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  font-variant-numeric: tabular-nums;
  color: var(--accent) !important;
}
.frontier h3 {
  margin: 0.3rem 0 0.65rem;
  text-wrap: balance;
  font-size: clamp(1.18rem, 0.5vw + 1.05rem, 1.34rem);
  letter-spacing: -0.01em;
}
.frontier > p:not(.frontier-num):not(.frontier-tag) { font-size: 0.98rem; }
.frontier-tag {
  align-self: flex-start;
  margin-bottom: 0.8rem;
  padding: 0.28rem 0.6rem;
  border: 1px solid rgba(164, 196, 255, 0.4);
  border-radius: 999px;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent) !important;
}

.frontier details { margin-top: 0.9rem; }
@media (min-width: 700px) {
  /* align the disclosure rows across each grid row */
  .frontier > p:not(.frontier-num):not(.frontier-tag) { margin-bottom: 1.1rem; }
  .frontier details { margin-top: auto; border-top: 1px solid var(--line); }
}
.frontier summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 48px;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--accent);
  cursor: pointer;
  list-style: none;
}
.frontier summary::-webkit-details-marker { display: none; }
.frontier summary::after {
  content: "";
  width: 10px;
  height: 10px;
  margin-right: 4px;
  border-right: 1.5px solid var(--accent);
  border-bottom: 1.5px solid var(--accent);
  transform: rotate(45deg) translateY(-3px);
  transition: transform 0.3s var(--ease);
}
.frontier details[open] summary::after { transform: rotate(-135deg) translateY(-2px); }
.frontier details ul { padding: 0.25rem 0 0.5rem var(--list-indent); list-style: none; }
.frontier details li {
  position: relative;
  padding-block: 0.28rem;
  font-size: 0.92rem;
  line-height: 1.5;
  color: var(--text-2);
}
.frontier details li::before {
  content: "";
  position: absolute;
  left: calc(-1 * var(--list-indent));
  top: 0.95em;
  width: 0.45rem;
  height: 1px;
  background: var(--accent);
}

/* ---------- Researchers ---------- */
.researchers {
  border-top: 1px solid var(--line);
  background: radial-gradient(70% 60% at 85% 20%, rgba(52, 78, 150, 0.12), rgba(6, 8, 26, 0) 70%), var(--bg);
}
.researchers-grid { display: grid; gap: 3rem; }
.researchers-text h2 { margin-bottom: var(--space-lg); }
.researchers-text .lead { font-size: clamp(1.12rem, 0.6vw + 1rem, 1.35rem); }
.researchers-text p + p { margin-top: 1rem; }
.roles-label {
  margin-bottom: 0.75rem;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-3) !important;
}
.roles { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); column-gap: clamp(1rem, 3vw, 1.75rem); }
/* the narrowest phones: one column rather than wrapping most roles onto two lines */
@media (max-width: 22.4375em) { .roles { grid-template-columns: minmax(0, 1fr); } }
.roles li {
  position: relative;
  padding: 0.85rem 0 0.85rem var(--list-indent);
  text-wrap: balance;
  border-top: 1px solid var(--line);
  font: 500 clamp(0.92rem, 0.3vw + 0.86rem, 1.06rem)/1.3 var(--font-head);
  color: var(--text);
}
.roles li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 1.35em;
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--accent);
  opacity: 0.8;
}
@media (min-width: 1024px) {
  .researchers-grid { grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr); gap: 5rem; align-items: center; }
}

/* ---------- Status pills ---------- */
.status {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.34rem 0.6rem;
  border: 1px solid;
  border-radius: 999px;
  font: 600 0.68rem/1 var(--font-body);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  vertical-align: middle;
  white-space: nowrap;
}
.status::before { content: ""; width: 6px; height: 6px; border-radius: 50%; }
.status--planned { color: var(--planned); border-color: rgba(230, 192, 122, 0.45); background: rgba(230, 192, 122, 0.07); }
.status--planned::before { border: 1.5px solid currentColor; }
.status--current { color: var(--accent); border-color: rgba(164, 196, 255, 0.45); background: rgba(164, 196, 255, 0.07); }
.status--current::before { background: currentColor; }
.status--lg { display: flex; width: fit-content; margin-bottom: 0.9rem; font-size: 0.74rem; padding: 0.42rem 0.75rem; }

/* ---------- Lab ---------- */
.lab { border-top: 1px solid var(--line); }

/* phones: one vertical rail. Every node shares one x (rail centre = axis + 7px), so the node's outer
   edge sits on the content axis and all stage text starts 2rem in. */
.pipeline { display: grid; padding-left: 6px; }
.step {
  position: relative;
  padding: 0 0 1.6rem 1.5rem;
  border-left: 2px solid var(--accent);
}
.step--planned { border-left: 2px dashed rgba(230, 192, 122, 0.55); }
.step:last-child { padding-bottom: 0; border-left-color: transparent; }
.step::before {
  content: "";
  position: absolute;
  left: -8px;
  top: 0.3rem;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 5px var(--bg); /* halo masks the rail: none above node 01, even gaps elsewhere */
}
.step--planned::before { background: var(--bg); border: 2px solid var(--planned); }
.step-num {
  margin-right: 0.45rem;
  font: 600 0.78rem/1 var(--font-body);
  letter-spacing: 0.06em;
  font-variant-numeric: tabular-nums;
  color: var(--accent);
  vertical-align: 0.2em;
}
.step--planned .step-num { color: var(--planned); }
.step-state {
  display: block;
  margin-bottom: 0.4rem;
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
}
.step--planned .step-state { color: var(--planned); }
.step h3 { margin: 0 0 0.3rem; font-size: 1.25rem; line-height: 1.2; letter-spacing: -0.01em; }
.step p { text-wrap: pretty; }
.step p { font-size: 0.93rem; }

@media (min-width: 900px) {
  .pipeline { grid-template-columns: repeat(5, 1fr); gap: 0; padding-left: 0; }
  .step { padding: 1.75rem 1.5rem 0 0; border-left: 0; border-top: 2px solid var(--accent); }
  .step--planned { border-left: 0; border-top: 2px dashed rgba(230, 192, 122, 0.55); }
  .step:last-child { border-top-color: rgba(230, 192, 122, 0.55); }
  .step::before { left: 0; top: -8px; }
}

.lab-split { display: grid; gap: 2.5rem; margin-top: clamp(var(--space-2xl), 6vw, 4.5rem); }
@media (min-width: 900px) { .lab-split { grid-template-columns: 1fr 1fr; gap: clamp(2.5rem, 5vw, 4.5rem); } }
.lab-col {
  display: flex;
  flex-direction: column;
  padding-top: 1.5rem;
  border-top: 1px solid rgba(164, 196, 255, 0.45);
}
.lab-col--planned { border-top: 1px dashed rgba(230, 192, 122, 0.55); }
.lab-col h3 { margin: 0.85rem 0 0.5rem; font-size: 1.25rem; }
.lab-col ul { margin: 1.25rem 0 0; border-top: 1px solid var(--line); }
.lab-col li {
  padding-block: 0.6rem;
  border-bottom: 1px solid var(--line);
  font-size: 0.94rem;
  color: var(--text);
}
.lab-col .text-link { margin-top: 1.25rem; }

/* ---------- Collaborate + research contact (closing sequence) ---------- */
.collaborate {
  border-top: 1px solid var(--line);
  background: radial-gradient(60% 70% at 50% 0%, rgba(52, 78, 150, 0.14), rgba(6, 8, 26, 0) 70%), var(--bg);
}
.collaborate-inner > h2,
.collaborate-inner > p { max-width: 46rem; }
.collaborate-inner > p { margin-top: var(--space-lg); font-size: 1.05rem; }
/* primary action (same geometry as the hero CTA), then a quieter secondary resource, then the contact */
.collaborate-actions {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  gap: var(--space-sm);
  margin-top: var(--space-xl);
}
.collaborate-actions .text-link {
  align-self: flex-start;
  text-wrap: balance;
  font-size: 0.94rem;
  color: var(--text-2);
  text-decoration-color: var(--line-2);
}
.collaborate-actions .text-link:hover { color: var(--text); text-decoration-color: currentColor; }
@media (min-width: 560px) {
  .collaborate-actions { flex-direction: row; flex-wrap: wrap; align-items: center; gap: 1rem 2rem; }
  .collaborate-actions .btn { min-width: 12rem; }
}

.contact {
  display: grid;
  gap: var(--space-lg);
  margin-top: clamp(var(--space-2xl), 6vw, 4.5rem);
  padding-top: 1.5rem;
  border-top: 1px solid var(--line-2);
}
/* same label treatment as every section eyebrow */
.section .contact h2 {
  font: 600 0.76rem/1.3 var(--font-body);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
}
.contact-intro p { margin-top: 0.5rem; max-width: 24rem; font-size: 0.92rem; color: var(--text-3); }
.contact-name { font: 600 1.15rem/1.3 var(--font-head); color: var(--text) !important; }
.contact-role { margin-top: 0.15rem; font-size: 0.8rem; letter-spacing: 0.06em; color: var(--text-3) !important; }
.contact-links {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0 1.75rem;
  margin-top: 0.35rem;
}
.contact-phone {
  display: inline-flex;
  align-items: center;
  min-height: 48px;
  font-size: 1.08rem;
  font-weight: 500;
  font-variant-numeric: tabular-nums;
  color: var(--text);
  text-decoration: underline;
  text-decoration-color: var(--line-2);
  text-underline-offset: 0.3em;
}
.contact-phone:hover { text-decoration-color: currentColor; }
@media (min-width: 800px) {
  .contact { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 3rem; }
}

/* ---------- Footer ---------- */
.site-footer {
  padding-top: 3.5rem;
  padding-bottom: calc(2rem + env(safe-area-inset-bottom, 0px));
  border-top: 1px solid var(--line);
  background: var(--bg-deep);
}
.footer-top { display: flex; flex-direction: column; gap: 2rem; }
.footer-name { font: 700 0.95rem/1.3 var(--font-head); letter-spacing: 0.06em; }
.footer-name-sep { color: var(--text-3); margin-inline: 0.2rem; }
.footer-name-sub { white-space: nowrap; }
/* the one-line lockup no longer fits: a designed two-line lockup (as in the header), never a stray "STATION" */
@media (max-width: 22.4375em) {
  .footer-name-sep { display: none; }
  .footer-name-sub { display: block; }
}
.nowrap { white-space: nowrap; }
.footer-sub { margin-top: 0.35rem; font-size: 0.84rem; color: var(--text-3); }
.footer-org { margin-top: 1.25rem; font-size: 0.9rem; line-height: 1.6; color: var(--text-2); }
.footer-org a { text-decoration: underline; text-decoration-color: var(--line-2); text-underline-offset: 0.25em; }
.footer-org a:hover { text-decoration-color: currentColor; }
/* phones/tablets: two aligned columns; one column where two no longer fit; a right-aligned row on desktop */
.footer-nav { display: grid; grid-template-columns: repeat(2, max-content); column-gap: var(--space-xl); }
@media (max-width: 22.4375em) { .footer-nav { grid-template-columns: minmax(0, 1fr); } }
.footer-nav a {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  font-size: 0.92rem;
  color: var(--text-2);
  text-decoration: none;
}
.footer-nav a:hover,
.footer-nav a:focus-visible { color: var(--text); }
.footer-bottom {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  margin-top: 2.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--line);
  font-size: 0.8rem;
  color: var(--text-3);
}
.footer-bottom p:last-child { max-width: 52rem; }
@media (min-width: 800px) {
  .footer-top { flex-direction: row; justify-content: space-between; align-items: flex-start; }
  .footer-nav { display: flex; flex-wrap: wrap; gap: 0 1.75rem; justify-content: flex-end; }
}

/* ---------- Reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
}