/* ============================================================
   Puckett Observatory — Design Tokens
   ============================================================ */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  -webkit-text-size-adjust: none;
  text-size-adjust: none;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  scroll-behavior: smooth;
  scroll-padding-top: 96px;
}

:root, [data-theme="light"] {
  --color-bg: #f5f1e7;
  --color-surface: #fffdf8;
  --color-surface-2: #ece5d3;
  --color-surface-offset: #e6dfc9;
  --color-border: #d9d0b8;
  --color-divider: #ded5bd;

  --color-text: #191a1f;
  --color-text-muted: #565a63;
  --color-text-faint: #93958f;
  --color-text-inverse: #f5f1e7;

  --color-primary: #a8690f;
  --color-primary-hover: #7f4f0c;
  --color-primary-highlight: #eaddc0;

  --color-secondary: #1d3a63;
  --color-secondary-hover: #142944;
  --color-secondary-highlight: #d7e0ec;

  --shadow-sm: 0 1px 2px rgba(25, 20, 10, 0.08);
  --shadow-md: 0 6px 20px rgba(25, 20, 10, 0.10);
  --shadow-lg: 0 20px 50px rgba(25, 20, 10, 0.16);

  --star-opacity: 0;
}

[data-theme="dark"] {
  --color-bg: #05070d;
  --color-surface: #0a0e18;
  --color-surface-2: #111729;
  --color-surface-offset: #161d33;
  --color-border: #232b45;
  --color-divider: #1a2138;

  --color-text: #e9ebf3;
  --color-text-muted: #9aa1b8;
  --color-text-faint: #5c6178;
  --color-text-inverse: #0a0e18;

  --color-primary: #e2a940;
  --color-primary-hover: #f4c169;
  --color-primary-highlight: #3a2f16;

  --color-secondary: #6fd7cd;
  --color-secondary-hover: #93e5dc;
  --color-secondary-highlight: #123330;

  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.45);
  --shadow-lg: 0 24px 60px rgba(0, 0, 0, 0.55);

  --star-opacity: 1;
}

:root {
  --font-display: 'Playfair Display', Georgia, serif;
  --font-body: 'DM Sans', 'Helvetica Neue', sans-serif;
  --font-mono: 'DM Mono', 'Courier New', monospace;

  --text-xs: clamp(0.75rem, 0.72rem + 0.15vw, 0.8125rem);
  --text-sm: clamp(0.875rem, 0.83rem + 0.2vw, 0.9375rem);
  --text-base: clamp(1rem, 0.96rem + 0.2vw, 1.0625rem);
  --text-lg: clamp(1.125rem, 1.05rem + 0.4vw, 1.375rem);
  --text-xl: clamp(1.375rem, 1.2rem + 0.9vw, 1.875rem);
  --text-2xl: clamp(1.9rem, 1.4rem + 2.2vw, 3.1rem);
  --text-3xl: clamp(2.4rem, 1.2rem + 4vw, 4.4rem);
  --text-hero: clamp(2.8rem, 1rem + 5.5vw, 5.8rem);

  --space-1: 0.25rem; --space-2: 0.5rem; --space-3: 0.75rem;
  --space-4: 1rem; --space-5: 1.25rem; --space-6: 1.5rem;
  --space-8: 2rem; --space-10: 2.5rem; --space-12: 3rem;
  --space-16: 4rem; --space-20: 5rem; --space-24: 6rem; --space-32: 8rem;

  --radius-sm: 0.25rem; --radius-md: 0.5rem; --radius-lg: 0.9rem; --radius-full: 9999px;
  --content-narrow: 640px; --content-default: 900px; --content-wide: 1220px;

  --transition: 220ms cubic-bezier(0.16, 1, 0.3, 1);
}

body {
  min-height: 100dvh;
  line-height: 1.65;
  font-family: var(--font-body);
  font-size: var(--text-base);
  color: var(--color-text);
  background-color: var(--color-bg);
  background-image:
    radial-gradient(1px 1px at 10% 15%, rgba(255,255,255,var(--star-opacity)) 0, transparent 55%),
    radial-gradient(1px 1px at 82% 22%, rgba(255,255,255,var(--star-opacity)) 0, transparent 55%),
    radial-gradient(1.5px 1.5px at 35% 62%, rgba(255,255,255,var(--star-opacity)) 0, transparent 55%),
    radial-gradient(1px 1px at 65% 78%, rgba(255,255,255,var(--star-opacity)) 0, transparent 55%),
    radial-gradient(1px 1px at 92% 88%, rgba(255,255,255,var(--star-opacity)) 0, transparent 55%),
    radial-gradient(1.5px 1.5px at 18% 92%, rgba(255,255,255,var(--star-opacity)) 0, transparent 55%),
    radial-gradient(1px 1px at 48% 8%, rgba(255,255,255,var(--star-opacity)) 0, transparent 55%);
  background-repeat: no-repeat;
  background-attachment: fixed;
  transition: background-color var(--transition), color var(--transition);
}

img, picture, video, canvas, svg { display: block; max-width: 100%; height: auto; }
ul[role="list"], ol[role="list"] { list-style: none; }
a { color: inherit; text-decoration: none; }
button, input, textarea, select { font: inherit; color: inherit; }

h1, h2, h3, h4 { text-wrap: balance; line-height: 1.15; font-family: var(--font-display); font-weight: 600; }
p, li, figcaption { text-wrap: pretty; }

::selection { background: var(--color-primary-highlight); color: var(--color-text); }
:focus-visible { outline: 2px solid var(--color-primary); outline-offset: 3px; border-radius: var(--radius-sm); }

[data-reveal] { opacity: 0; transform: translateY(16px); transition: opacity 700ms cubic-bezier(0.16,1,0.3,1), transform 700ms cubic-bezier(0.16,1,0.3,1); }
[data-reveal].is-visible { opacity: 1; transform: translateY(0); }

@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;
  }
}

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

/* ============================================================
   Layout helpers
   ============================================================ */
.wrap { max-width: var(--content-wide); margin-inline: auto; padding-inline: var(--space-6); }
.wrap--narrow { max-width: var(--content-default); }
.section { padding-block: clamp(var(--space-16), 8vw, var(--space-32)); }
.section--tight { padding-block: clamp(var(--space-10), 5vw, var(--space-20)); }
.section--surface { background: var(--color-surface); border-block: 1px solid var(--color-border); }

.eyebrow {
  display: inline-flex; align-items: center; gap: var(--space-2);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: var(--space-4);
}
.eyebrow::before { content: ""; width: 22px; height: 1px; background: var(--color-primary); display: inline-block; }

.section-title {
  font-size: var(--text-2xl);
  max-width: 18ch;
}
.section-lede {
  font-size: var(--text-lg);
  color: var(--color-text-muted);
  max-width: 62ch;
  margin-top: var(--space-4);
  font-weight: 400;
}

.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-12); align-items: center; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-8); }
@media (max-width: 900px) {
  .grid-2 { grid-template-columns: 1fr; gap: var(--space-8); }
  .grid-3 { grid-template-columns: 1fr; }
}

/* ============================================================
   Header / Nav
   ============================================================ */
.site-header {
  position: sticky; top: 0; z-index: 100;
  /* Note: intentionally no backdrop-filter here — it would create a new
     containing block for position:fixed descendants (the mobile .nav
     menu), collapsing it to the header's own height instead of the
     full viewport. Use a solid-ish background instead. */
  background: color-mix(in srgb, var(--color-bg) 94%, transparent);
  border-bottom: 1px solid var(--color-border);
}
.site-header__inner {
  display: flex; align-items: center; justify-content: space-between;
  padding-block: var(--space-4);
}
.brand { display: flex; align-items: center; gap: var(--space-3); }
.brand__mark { color: var(--color-primary); flex-shrink: 0; }
.brand__text { display: flex; flex-direction: column; line-height: 1.15; }
.brand__title { font-family: var(--font-display); font-size: var(--text-lg); font-weight: 700; }
.brand__subtitle { font-family: var(--font-mono); font-size: 0.65rem; letter-spacing: 0.12em; text-transform: uppercase; color: var(--color-text-muted); }

.nav { display: flex; align-items: center; gap: var(--space-8); }
.nav__list { display: flex; align-items: center; gap: var(--space-6); }
.nav__item { position: relative; }
.nav__link {
  font-size: var(--text-sm); font-weight: 500; color: var(--color-text-muted);
  padding-block: var(--space-2); display: inline-flex; align-items: center; gap: 4px;
  transition: color var(--transition);
}
.nav__link:hover, .nav__link[aria-current="page"] { color: var(--color-text); }
.nav__link[aria-current="page"] { color: var(--color-primary); }

.submenu {
  position: absolute; top: 100%; left: 50%; transform: translateX(-50%) translateY(4px);
  background: var(--color-surface); border: 1px solid var(--color-border);
  border-radius: var(--radius-md); box-shadow: var(--shadow-md);
  padding: var(--space-2); min-width: 190px;
  opacity: 0; visibility: hidden; transition: opacity var(--transition), transform var(--transition);
}
.nav__item:hover .submenu, .nav__item:focus-within .submenu {
  opacity: 1; visibility: visible; transform: translateX(-50%) translateY(0);
}
.submenu a {
  display: block; padding: var(--space-2) var(--space-3); border-radius: var(--radius-sm);
  font-size: var(--text-sm); color: var(--color-text-muted); white-space: nowrap;
}
.submenu a:hover { background: var(--color-surface-2); color: var(--color-text); }

.header-actions { display: flex; align-items: center; gap: var(--space-4); }
.theme-toggle {
  display: inline-flex; align-items: center; justify-content: center;
  width: 38px; height: 38px; border-radius: var(--radius-full);
  border: 1px solid var(--color-border); color: var(--color-text-muted);
  transition: border-color var(--transition), color var(--transition);
}
.theme-toggle:hover { color: var(--color-primary); border-color: var(--color-primary); }

.nav-toggle {
  display: none; width: 40px; height: 40px; border-radius: var(--radius-sm);
  align-items: center; justify-content: center; border: 1px solid var(--color-border);
}
.nav-toggle span, .nav-toggle span::before, .nav-toggle span::after {
  content: ""; display: block; width: 18px; height: 1.5px; background: var(--color-text);
  position: relative; transition: all var(--transition);
}
.nav-toggle span::before { position: absolute; top: -6px; }
.nav-toggle span::after { position: absolute; top: 6px; }

@media (max-width: 900px) {
  .nav { position: fixed; inset: 68px 0 0 0; background: var(--color-bg); flex-direction: column;
    align-items: flex-start; padding: var(--space-8) var(--space-6); gap: var(--space-8);
    transform: translateX(100%); transition: transform var(--transition); overflow-y: auto; }
  .nav.is-open { transform: translateX(0); }
  .nav__list { flex-direction: column; align-items: flex-start; gap: var(--space-5); width: 100%; }
  .nav__link { font-size: var(--text-lg); }
  .submenu { position: static; left: auto; transform: none; opacity: 1; visibility: visible; box-shadow: none;
    border: none; background: none; padding-left: var(--space-4); display: none; margin-top: var(--space-2); }
  .nav__item:hover .submenu, .nav__item:focus-within .submenu { transform: none; }
  .nav__item.is-expanded .submenu { display: block; }
  .nav-toggle { display: inline-flex; }
}

/* ============================================================
   Buttons
   ============================================================ */
.btn {
  display: inline-flex; align-items: center; gap: var(--space-2);
  padding: var(--space-3) var(--space-6); border-radius: var(--radius-full);
  font-size: var(--text-sm); font-weight: 600; white-space: nowrap;
  transition: all var(--transition); border: 1px solid transparent;
}
.btn--primary { background: var(--color-primary); color: var(--color-text-inverse); }
.btn--primary:hover { background: var(--color-primary-hover); transform: translateY(-1px); }
.btn--ghost { border-color: var(--color-border); color: var(--color-text); }
.btn--ghost:hover { border-color: var(--color-primary); color: var(--color-primary); }

/* ============================================================
   Hero
   ============================================================ */
.hero {
  position: relative; min-height: 92vh; display: flex; align-items: flex-end;
  overflow: hidden; border-bottom: 1px solid var(--color-border);
}
.hero__bg { position: absolute; inset: 0; z-index: 0; }
.hero__bg img { width: 100%; height: 100%; object-fit: cover; filter: saturate(1.05); }
.hero__scrim {
  position: absolute; inset: 0; z-index: 1;
  background: linear-gradient(180deg, rgba(5,7,13,0.35) 0%, rgba(5,7,13,0.55) 55%, rgba(5,7,13,0.94) 100%);
}
[data-theme="light"] .hero__scrim {
  background: linear-gradient(180deg, rgba(20,16,8,0.30) 0%, rgba(20,16,8,0.55) 55%, rgba(245,241,231,0.97) 100%);
}
.hero__content { position: relative; z-index: 2; padding-block: var(--space-24) var(--space-16); width: 100%; }
.hero__eyebrow { color: #f4d999; }
.hero h1 {
  font-size: var(--text-hero); color: #fdfaf3; max-width: 16ch; letter-spacing: -0.01em;
}
.hero__lede { font-size: var(--text-lg); color: #e7e2d3; max-width: 56ch; margin-top: var(--space-6); font-family: var(--font-body); }
.hero__actions { display: flex; gap: var(--space-4); margin-top: var(--space-8); flex-wrap: wrap; }

/* stat strip */
.stats {
  display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid var(--color-border);
}
.stats__item { padding: var(--space-8) var(--space-6); border-right: 1px solid var(--color-border); text-align: center; }
.stats__item:last-child { border-right: none; }
.stats__num { font-family: var(--font-display); font-size: var(--text-2xl); color: var(--color-primary); }
.stats__label { font-size: var(--text-xs); text-transform: uppercase; letter-spacing: 0.08em; color: var(--color-text-muted); margin-top: var(--space-2); }
@media (max-width: 760px) {
  .stats { grid-template-columns: repeat(2, 1fr); }
  .stats__item:nth-child(2) { border-right: none; }
  .stats__item { border-bottom: 1px solid var(--color-border); }
}

/* Split hero (text + framed photo, used on homepage — avoids stretching small source photos) */
.hero--split {
  min-height: auto; align-items: center; display: block; border-bottom: 1px solid var(--color-border);
  background:
    radial-gradient(ellipse 60% 50% at 85% 0%, var(--color-primary-highlight) 0%, transparent 60%);
}
.hero--split .hero__inner {
  display: grid; grid-template-columns: 1.1fr 1fr; gap: var(--space-12); align-items: center;
  padding-block: clamp(var(--space-16), 9vw, var(--space-28)) var(--space-16);
}
.hero--split h1 { color: var(--color-text); font-size: var(--text-3xl); }
.hero--split .hero__lede { color: var(--color-text-muted); font-family: var(--font-body); }
.hero--split .hero__eyebrow { color: var(--color-primary); }
.hero__frame {
  position: relative; border-radius: var(--radius-lg); overflow: hidden;
  border: 1px solid var(--color-border); box-shadow: var(--shadow-lg); aspect-ratio: 4/3;
}
.hero__frame img { width: 100%; height: 100%; object-fit: cover; }
.hero__frame::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(160deg, transparent 55%, rgba(0,0,0,0.25) 100%);
}
.hero__frame-tag {
  position: absolute; bottom: var(--space-4); left: var(--space-4); z-index: 2;
  background: color-mix(in srgb, var(--color-bg) 78%, transparent); backdrop-filter: blur(8px);
  border: 1px solid var(--color-border); border-radius: var(--radius-full);
  padding: var(--space-2) var(--space-4); font-family: var(--font-mono); font-size: var(--text-xs);
  letter-spacing: 0.04em; color: var(--color-text);
}
@media (max-width: 900px) {
  .hero--split .hero__inner { grid-template-columns: 1fr; }
  .hero__frame { order: -1; }
}

/* Page hero (interior pages, no bg photo) */
.page-hero { padding-block: clamp(var(--space-16), 10vw, var(--space-24)) var(--space-12); border-bottom: 1px solid var(--color-border); }
.page-hero h1 { font-size: var(--text-3xl); max-width: 22ch; }
.page-hero__lede { font-size: var(--text-lg); color: var(--color-text-muted); max-width: 64ch; margin-top: var(--space-5); font-family: var(--font-body); font-weight: 400; }
.breadcrumb { font-family: var(--font-mono); font-size: var(--text-xs); letter-spacing: 0.08em; text-transform: uppercase; color: var(--color-text-faint); margin-bottom: var(--space-5); }
.breadcrumb a { color: var(--color-text-muted); }
.breadcrumb a:hover { color: var(--color-primary); }

/* ============================================================
   Cards
   ============================================================ */
.card {
  background: var(--color-surface); border: 1px solid var(--color-border);
  border-radius: var(--radius-lg); padding: var(--space-8); box-shadow: var(--shadow-sm);
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}
.card:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); border-color: var(--color-primary); }
.card h3 { font-size: var(--text-lg); margin-bottom: var(--space-3); }
.card p { color: var(--color-text-muted); font-size: var(--text-sm); }
.card__icon { color: var(--color-primary); margin-bottom: var(--space-5); }

.feature-card {
  display: grid; grid-template-columns: 1.1fr 1fr; gap: 0; border: 1px solid var(--color-border);
  border-radius: var(--radius-lg); overflow: hidden; background: var(--color-surface);
  box-shadow: var(--shadow-sm);
}
.feature-card__media { position: relative; min-height: 320px; }
.feature-card__media img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.feature-card__body { padding: clamp(var(--space-8), 4vw, var(--space-12)); display: flex; flex-direction: column; justify-content: center; }
.feature-card__body h3 { font-size: var(--text-xl); margin-bottom: var(--space-4); }
.feature-card__body p { color: var(--color-text-muted); margin-bottom: var(--space-6); }
@media (max-width: 800px) { .feature-card { grid-template-columns: 1fr; } .feature-card__media { min-height: 220px; order: -1; } }

/* ============================================================
   Timeline
   ============================================================ */
.timeline { position: relative; padding-left: var(--space-8); border-left: 2px solid var(--color-border); }
.timeline__item { position: relative; padding-bottom: var(--space-10); }
.timeline__item:last-child { padding-bottom: 0; }
.timeline__item::before {
  content: ""; position: absolute; left: calc(-1 * var(--space-8) - 6px); top: 4px;
  width: 12px; height: 12px; border-radius: 50%; background: var(--color-primary);
  box-shadow: 0 0 0 4px var(--color-bg);
}
.timeline__year { font-family: var(--font-mono); font-size: var(--text-xs); color: var(--color-primary); letter-spacing: 0.08em; }
.timeline__title { font-size: var(--text-lg); margin-block: var(--space-1) var(--space-2); }
.timeline__desc { color: var(--color-text-muted); max-width: 60ch; }

/* ============================================================
   Gallery
   ============================================================ */
.gallery-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: var(--space-5);
}
.gallery-item {
  position: relative; border-radius: var(--radius-md); overflow: hidden; aspect-ratio: 1/1;
  border: 1px solid var(--color-border); cursor: zoom-in; background: var(--color-surface-2);
}
.gallery-item img { width: 100%; height: 100%; object-fit: cover; transition: transform var(--transition); }
.gallery-item:hover img { transform: scale(1.06); }
.gallery-item__caption {
  position: absolute; inset-inline: 0; bottom: 0; padding: var(--space-3) var(--space-4);
  background: linear-gradient(0deg, rgba(0,0,0,0.75), transparent);
  color: #fff; font-size: var(--text-xs); opacity: 0; transition: opacity var(--transition);
}
.gallery-item:hover .gallery-item__caption { opacity: 1; }

.lightbox {
  position: fixed; inset: 0; z-index: 999; background: rgba(3,4,8,0.92);
  display: none; align-items: center; justify-content: center; padding: var(--space-8);
}
.lightbox.is-open { display: flex; }
.lightbox img { max-width: min(90vw, 900px); max-height: 82vh; border-radius: var(--radius-md); box-shadow: var(--shadow-lg); }
.lightbox__caption { color: #e9ebf3; text-align: center; margin-top: var(--space-4); font-size: var(--text-sm); max-width: 60ch; }
.lightbox__close {
  position: absolute; top: var(--space-6); right: var(--space-6); color: #fff;
  width: 42px; height: 42px; border-radius: 50%; border: 1px solid rgba(255,255,255,0.3);
  display: flex; align-items: center; justify-content: center;
}

/* ============================================================
   Team
   ============================================================ */
.team-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(230px, 1fr)); gap: var(--space-6); }
.team-card { text-align: left; }
.team-card__photo { width: 100%; aspect-ratio: 1/1; border-radius: var(--radius-md); overflow: hidden; margin-bottom: var(--space-4); border: 1px solid var(--color-border); }
.team-card__photo img { width: 100%; height: 100%; object-fit: cover; }
.team-card__name { font-size: var(--text-base); font-weight: 700; font-family: var(--font-body); }
.team-card__role { font-size: var(--text-xs); color: var(--color-primary); text-transform: uppercase; letter-spacing: 0.06em; margin-bottom: var(--space-2); }
.team-card__bio { font-size: var(--text-sm); color: var(--color-text-muted); }

/* ============================================================
   Lists / misc content
   ============================================================ */
.prose { max-width: 68ch; }
.prose p { margin-bottom: var(--space-5); color: var(--color-text-muted); }
.prose a { color: var(--color-primary); text-decoration: underline; text-underline-offset: 3px; }
.prose h2 { font-size: var(--text-xl); margin-block: var(--space-10) var(--space-4); }
.prose h3 { font-size: var(--text-lg); margin-block: var(--space-8) var(--space-3); }

.check-list { display: flex; flex-direction: column; gap: var(--space-3); }
.check-list li { display: flex; gap: var(--space-3); align-items: flex-start; color: var(--color-text-muted); font-size: var(--text-sm); }
.check-list svg { flex-shrink: 0; color: var(--color-primary); margin-top: 3px; }

.link-list { display: flex; flex-direction: column; gap: var(--space-1); }
.link-list li { border-bottom: 1px solid var(--color-divider); padding-block: var(--space-3); }
.link-list a { display: flex; justify-content: space-between; align-items: center; color: var(--color-text); font-size: var(--text-sm); }
.link-list a:hover { color: var(--color-primary); }
.link-list li:last-child { border-bottom: none; }

.tag {
  display: inline-flex; align-items: center; padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full); font-size: var(--text-xs); font-weight: 600;
  background: var(--color-primary-highlight); color: var(--color-primary);
}

.pull-quote {
  font-family: var(--font-display); font-size: var(--text-xl); font-style: italic;
  color: var(--color-text); border-left: 3px solid var(--color-primary);
  padding-left: var(--space-6); margin-block: var(--space-10); max-width: 48ch;
}
.pull-quote cite { display: block; font-family: var(--font-body); font-style: normal; font-size: var(--text-sm); color: var(--color-text-muted); margin-top: var(--space-3); }

/* ============================================================
   Sponsor cards
   ============================================================ */
.sponsor-card { display: flex; flex-direction: column; gap: var(--space-3); }
.sponsor-card__name { font-family: var(--font-display); font-size: var(--text-lg); }
.sponsor-card__since { font-family: var(--font-mono); font-size: var(--text-xs); color: var(--color-primary); text-transform: uppercase; letter-spacing: 0.06em; }

/* ============================================================
   CTA band
   ============================================================ */
.cta-band {
  background: var(--color-secondary); color: var(--color-text-inverse);
  border-radius: var(--radius-lg); padding: clamp(var(--space-10), 6vw, var(--space-16));
  display: flex; align-items: center; justify-content: space-between; gap: var(--space-8); flex-wrap: wrap;
}
[data-theme="light"] .cta-band { color: #f5f1e7; }
.cta-band h2 { font-size: var(--text-xl); max-width: 24ch; }
.cta-band p { color: rgba(245,241,231,0.75); margin-top: var(--space-2); max-width: 44ch; }
.cta-band .btn--primary { background: #fff; color: var(--color-secondary); }
.cta-band .btn--primary:hover { background: #f0ece0; }

/* ============================================================
   Footer
   ============================================================ */
.site-footer { border-top: 1px solid var(--color-border); padding-block: var(--space-16) var(--space-10); background: var(--color-surface); }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: var(--space-10); }
.footer-col h4 { font-size: var(--text-xs); text-transform: uppercase; letter-spacing: 0.08em; color: var(--color-text-faint); margin-bottom: var(--space-4); font-family: var(--font-body); }
.footer-col ul { display: flex; flex-direction: column; gap: var(--space-2); }
.footer-col a { color: var(--color-text-muted); font-size: var(--text-sm); }
.footer-col a:hover { color: var(--color-primary); }
.footer-about p { color: var(--color-text-muted); font-size: var(--text-sm); max-width: 40ch; margin-top: var(--space-4); }
.footer-bottom {
  margin-top: var(--space-12); padding-top: var(--space-6); border-top: 1px solid var(--color-divider);
  display: flex; justify-content: space-between; flex-wrap: wrap; gap: var(--space-4);
  font-size: var(--text-xs); color: var(--color-text-faint);
}
@media (max-width: 800px) { .footer-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 500px) { .footer-grid { grid-template-columns: 1fr; } }

/* Build page image strip */
.build-strip { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-4); }
.build-strip img { border-radius: var(--radius-md); border: 1px solid var(--color-border); aspect-ratio: 4/3; object-fit: cover; }
@media (max-width: 700px) { .build-strip { grid-template-columns: repeat(2, 1fr); } }

.discovery-plate { border: 1px solid var(--color-border); border-radius: var(--radius-md); overflow: hidden; background: #eee; }
.discovery-plate img { filter: none; }

.two-col-list { columns: 2; column-gap: var(--space-10); }
.two-col-list li { break-inside: avoid; margin-bottom: var(--space-2); }
@media (max-width: 700px) { .two-col-list { columns: 1; } }

/* ============================================================
   Discovery Archive table
   ============================================================ */
.archive-toolbar {
  display: flex; align-items: center; justify-content: space-between; gap: var(--space-4);
  flex-wrap: wrap; margin-bottom: var(--space-6);
}
.archive-search {
  width: 100%; max-width: 360px; padding: var(--space-3) var(--space-4);
  border: 1px solid var(--color-border); border-radius: var(--radius-md);
  background: var(--color-surface); color: var(--color-text); font-size: var(--text-sm);
  font-family: var(--font-body);
}
.archive-search:focus { outline: none; border-color: var(--color-primary); }
.archive-count { color: var(--color-text-faint); font-size: var(--text-xs); white-space: nowrap; }
.table-wrap {
  border: 1px solid var(--color-border); border-radius: var(--radius-md); overflow: auto;
  max-height: 70vh;
}
.data-table { width: 100%; border-collapse: collapse; font-size: var(--text-sm); white-space: nowrap; }
.data-table th, .data-table td { padding: var(--space-3) var(--space-4); text-align: left; border-bottom: 1px solid var(--color-divider); }
.data-table thead th {
  position: sticky; top: 0; background: var(--color-surface); color: var(--color-text-faint);
  font-size: var(--text-xs); text-transform: uppercase; letter-spacing: 0.06em; z-index: 1;
  border-bottom: 1px solid var(--color-border);
}
.data-table tbody tr:hover { background: color-mix(in srgb, var(--color-primary) 6%, transparent); }
.data-table td.archive-td--sn { font-weight: 600; }
.archive-muted { color: var(--color-text-faint); padding: var(--space-6) var(--space-4); }
.ref-chip {
  display: inline-block; padding: 2px 8px; margin: 1px; border-radius: 999px; font-size: var(--text-xs);
  border: 1px solid var(--color-border); color: var(--color-text-muted); white-space: nowrap;
}
.ref-chip[href] { color: var(--color-primary); border-color: color-mix(in srgb, var(--color-primary) 40%, var(--color-border)); }
.ref-chip[href]:hover { background: color-mix(in srgb, var(--color-primary) 10%, transparent); }
.ref-chip--paper { color: #8ec9ff; border-color: color-mix(in srgb, #8ec9ff 45%, var(--color-border)); }
.ref-chip--paper:hover { background: color-mix(in srgb, #8ec9ff 12%, transparent); }
@media (max-width: 700px) {
  .data-table { font-size: var(--text-xs); }
  .data-table th, .data-table td { padding: var(--space-2) var(--space-3); }
}