/* =========================================================
   Texas State University Space Lab
   style.css — editorial layout, Fraunces + Inter,
   restrained TXST maroon accent (#501214)
   ========================================================= */

/* ---------- Design tokens ---------- */
:root {
  /* Color */
  --bg:           #fafaf7;          /* warm off-white page background */
  --surface:      #ffffff;          /* card/figure background */
  --surface-alt:  #f3f1ea;          /* news section, subtle alt panel */
  --ink:          #1a1a1a;          /* primary text */
  --ink-muted:    #555555;          /* body / paragraph */
  --ink-soft:     #888888;          /* dates, eyebrows, captions */
  --rule:         rgba(0, 0, 0, 0.08); /* hairline rules */
  --rule-strong:  rgba(0, 0, 0, 0.16);
  --accent:       #501214;          /* TXST maroon — links, hover */
  --accent-soft:  #6b1e20;          /* slightly lifted maroon for hover */
  --accent-bg:    #f4e8e8;          /* faint maroon wash for chips */

  /* Type */
  --serif: "Fraunces", Georgia, "Times New Roman", serif;
  --sans:  "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;

  /* Layout */
  --max-w: 1120px;
  --pad-x: clamp(20px, 4vw, 40px);
  --radius: 6px;
  --radius-lg: 10px;

  /* Motion */
  --ease: cubic-bezier(0.2, 0.7, 0.2, 1);
}

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.6;
  color: var(--ink);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

a {
  color: var(--accent);
  text-decoration: none;
  transition: color 0.18s var(--ease);
}
a:hover { color: var(--accent-soft); }
a:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 2px;
}

button {
  font: inherit;
  cursor: pointer;
}

/* Headings — serif, restrained weight */
h1, h2, h3, h4 {
  font-family: var(--serif);
  font-weight: 400;
  letter-spacing: -0.015em;
  margin: 0;
  color: var(--ink);
}

p { margin: 0; }

/* ---------- Layout helpers ---------- */
.container {
  width: 100%;
  max-width: var(--max-w);
  margin: 0 auto;
  padding-left: var(--pad-x);
  padding-right: var(--pad-x);
}

.eyebrow {
  font-family: var(--sans);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-soft);
  margin: 0 0 14px;
  font-weight: 500;
}

.section-title {
  font-size: clamp(28px, 4vw, 36px);
  line-height: 1.15;
  margin: 0 0 8px;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 11px 22px;
  font-family: var(--sans);
  font-size: 14px;
  font-weight: 500;
  border-radius: var(--radius);
  border: 1px solid transparent;
  transition: background 0.18s var(--ease), color 0.18s var(--ease), border-color 0.18s var(--ease), transform 0.18s var(--ease);
  white-space: nowrap;
}
.btn:focus-visible { outline-offset: 3px; }

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

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

/* ---------- Header / nav ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(250, 250, 247, 0.85);
  backdrop-filter: saturate(140%) blur(8px);
  -webkit-backdrop-filter: saturate(140%) blur(8px);
  border-bottom: 0.5px solid var(--rule);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 16px;
  padding-bottom: 16px;
  gap: 16px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--ink);
  font-weight: 500;
}
.brand:hover { color: var(--ink); }

.brand-logo {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  flex: 0 0 auto;
  display: block;
  object-fit: contain;
}

.brand-text {
  font-size: 15px;
  letter-spacing: -0.01em;
}

.nav-list {
  display: flex;
  gap: 28px;
  list-style: none;
  margin: 0;
  padding: 0;
}
.nav-list a {
  color: var(--ink-muted);
  font-size: 14px;
  font-weight: 400;
  transition: color 0.15s var(--ease);
}
.nav-list a:hover { color: var(--accent); }
.nav-list a[aria-current="page"] {
  color: var(--accent);
  font-weight: 500;
}

.nav-toggle {
  display: none;
  background: transparent;
  border: 0;
  width: 40px;
  height: 40px;
  padding: 0;
  position: relative;
}
.nav-toggle span {
  display: block;
  position: absolute;
  left: 10px; right: 10px;
  height: 1.5px;
  background: var(--ink);
  transition: transform 0.2s var(--ease), opacity 0.2s var(--ease), top 0.2s var(--ease);
}
.nav-toggle span:nth-child(1) { top: 14px; }
.nav-toggle span:nth-child(2) { top: 19px; }
.nav-toggle span:nth-child(3) { top: 24px; }

.nav-toggle[aria-expanded="true"] span:nth-child(1) {
  top: 19px; transform: rotate(45deg);
}
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) {
  top: 19px; transform: rotate(-45deg);
}

/* ---------- Hero ---------- */
.hero {
  padding: clamp(56px, 8vw, 96px) 0 clamp(40px, 6vw, 64px);
}

.hero-split {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 380px);
  gap: clamp(32px, 5vw, 64px);
  align-items: start;
}

.hero-text {
  min-width: 0;
}

.hero-figure {
  margin: 0;
}
.hero-figure img {
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  border-radius: var(--radius-lg);
  background: var(--surface-alt);
  display: block;
}
.hero-figure figcaption {
  margin-top: 12px;
  font-size: 12px;
  color: var(--ink-soft);
  font-style: italic;
  line-height: 1.5;
}

@media (max-width: 860px) {
  .hero-split {
    grid-template-columns: 1fr;
  }
  .hero-figure {
    max-width: 480px;
  }
}

.hero-title {
  font-size: clamp(36px, 6vw, 56px);
  line-height: 1.04;
  letter-spacing: -0.025em;
  margin: 0 0 22px;
}

.hero-lede {
  font-size: clamp(16px, 1.6vw, 18px);
  line-height: 1.6;
  color: var(--ink-muted);
  margin: 0;
  max-width: 720px;
}
.hero-lede + .hero-lede {
  margin-top: 1em;
}

.two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(32px, 5vw, 64px);
  align-items: start;
}

.prose p + p {
  margin-top: 1em;
}
.prose p {
  font-size: 16px;
  line-height: 1.7;
  color: var(--ink-muted);
}

/* ---------- Section header (shared) ---------- */
.section-header {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: end;
  gap: 16px;
  margin-bottom: clamp(28px, 4vw, 40px);
}
.section-header .eyebrow,
.section-header .section-title {
  grid-column: 1;
}
.section-header .section-link {
  grid-column: 2;
  align-self: end;
  font-size: 14px;
  color: var(--accent);
  font-weight: 500;
  white-space: nowrap;
}
.section-header .section-link:hover {
  color: var(--accent-soft);
}

/* ---------- Missions ---------- */
.missions {
  padding: clamp(48px, 7vw, 80px) 0;
  border-top: 0.5px solid var(--rule);
}

.mission-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: clamp(20px, 3vw, 28px);
}

.mission-card {
  background: var(--surface);
  border: 0.5px solid var(--rule);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: transform 0.25s var(--ease), border-color 0.25s var(--ease), box-shadow 0.25s var(--ease);
}
.mission-card:hover {
  transform: translateY(-2px);
  border-color: var(--rule-strong);
  box-shadow: 0 6px 28px -18px rgba(0,0,0,0.18);
}

.mission-card-link {
  display: block;
  color: var(--ink);
}
.mission-card-link:hover { color: var(--ink); }

.mission-image {
  aspect-ratio: 4 / 3;
  background: var(--surface-alt);
  overflow: hidden;
}
.mission-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s var(--ease);
}
.mission-card:hover .mission-image img {
  transform: scale(1.03);
}

.mission-body {
  padding: 22px 24px 24px;
}

.mission-status {
  display: inline-block;
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 3px 10px;
  border-radius: 100px;
  margin-bottom: 12px;
  background: var(--accent-bg);
  color: var(--accent);
}

.mission-name {
  font-size: 26px;
  margin: 0 0 10px;
}

.mission-desc {
  font-size: 14px;
  line-height: 1.6;
  color: var(--ink-muted);
  margin: 0 0 16px;
}

.mission-readmore {
  font-size: 13px;
  font-weight: 500;
  color: var(--accent);
}

/* ---------- News ---------- */
.news {
  padding: clamp(48px, 7vw, 80px) 0;
  background: var(--surface-alt);
  border-top: 0.5px solid var(--rule);
  border-bottom: 0.5px solid var(--rule);
}

.news-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.news-item {
  display: grid;
  grid-template-columns: 110px 1fr;
  gap: clamp(16px, 3vw, 32px);
  padding: 20px 0;
  border-bottom: 0.5px solid var(--rule);
}
.news-item:last-child { border-bottom: 0; }

.news-date {
  font-size: 12px;
  color: var(--ink-soft);
  font-feature-settings: "tnum";
  padding-top: 4px;
}

.news-title {
  font-family: var(--sans);
  font-size: 17px;
  font-weight: 500;
  margin: 0 0 4px;
  letter-spacing: -0.005em;
  line-height: 1.35;
}
.news-title a {
  color: var(--ink);
  background-image: linear-gradient(var(--accent), var(--accent));
  background-size: 0% 1px;
  background-repeat: no-repeat;
  background-position: 0 100%;
  transition: background-size 0.3s var(--ease), color 0.18s var(--ease);
  padding-bottom: 1px;
}
.news-title a:hover {
  color: var(--accent);
  background-size: 100% 1px;
}

.news-desc {
  font-size: 14px;
  line-height: 1.55;
  color: var(--ink-muted);
}

/* ---------- CTA ---------- */
.cta {
  padding: clamp(56px, 8vw, 96px) 0;
}
.cta-inner {
  max-width: 640px;
  text-align: center;
}
.cta-title {
  font-size: clamp(28px, 4vw, 36px);
  margin: 0 0 14px;
}
.cta-lede {
  font-size: 17px;
  color: var(--ink-muted);
  margin: 0 0 28px;
}

/* ---------- Footer ---------- */
.site-footer {
  background: var(--ink);
  color: #c8c8c0;
  padding: clamp(40px, 6vw, 64px) 0 24px;
  margin-top: 0;
}
.site-footer a {
  color: #e8e8df;
}
.site-footer a:hover {
  color: #fff;
}

.footer-inner {
  display: grid;
  grid-template-columns: 1.2fr 1.6fr auto;
  gap: 32px;
  align-items: start;
  padding-bottom: 32px;
  border-bottom: 0.5px solid rgba(255,255,255,0.12);
}

.footer-brand {
  display: flex;
  align-items: flex-start;
  gap: 12px;
}
.footer-brand .brand-logo {
  width: 32px;
  height: 32px;
}
.footer-name {
  font-weight: 500;
  color: #fff;
  margin: 0 0 2px;
  font-size: 15px;
}
.footer-affil {
  font-size: 13px;
  color: #a0a098;
  margin: 0;
}

.footer-nav ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, max-content);
  gap: 8px 32px;
}
.footer-nav a {
  font-size: 14px;
}

.footer-social {
  display: flex;
  gap: 14px;
}
.footer-social a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border: 1px solid rgba(255,255,255,0.18);
  border-radius: 50%;
  color: #c8c8c0;
  transition: background 0.18s var(--ease), color 0.18s var(--ease), border-color 0.18s var(--ease);
}
.footer-social a:hover {
  background: rgba(255,255,255,0.08);
  color: #fff;
  border-color: rgba(255,255,255,0.3);
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  padding-top: 22px;
  font-size: 12px;
  color: #8a8a82;
}
.footer-bottom p { margin: 0; }
.footer-bottom a {
  color: #a8a89e;
  text-decoration: underline;
  text-decoration-color: rgba(255,255,255,0.2);
  text-underline-offset: 2px;
}
.footer-bottom a:hover {
  color: #fff;
  text-decoration-color: #fff;
}

/* ---------- Responsive ---------- */
@media (max-width: 860px) {
  .two-col { grid-template-columns: 1fr; }
  .mission-grid { grid-template-columns: 1fr; }
  .footer-inner { grid-template-columns: 1fr; gap: 24px; }
}

@media (max-width: 700px) {
  .nav-toggle { display: block; }

  .nav-list {
    position: absolute;
    top: 100%;
    left: 0; right: 0;
    flex-direction: column;
    background: var(--bg);
    border-bottom: 0.5px solid var(--rule);
    padding: 16px var(--pad-x) 24px;
    gap: 4px;
    transform: translateY(-8px);
    opacity: 0;
    pointer-events: none;
    transition: transform 0.2s var(--ease), opacity 0.2s var(--ease);
  }
  .nav-list.open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }
  .nav-list a {
    display: block;
    padding: 10px 0;
    font-size: 16px;
    border-bottom: 0.5px solid var(--rule);
  }
  .nav-list li:last-child a { border-bottom: 0; }

  .primary-nav { position: relative; }

  .news-item {
    grid-template-columns: 1fr;
    gap: 4px;
  }
  .news-date { padding-top: 0; }

  .section-header {
    grid-template-columns: 1fr;
  }
  .section-header .section-link {
    grid-column: 1;
    align-self: start;
    margin-top: 4px;
  }
}

/* ---------- Page header (sub-pages) ---------- */
.page-header {
  padding: clamp(48px, 7vw, 88px) 0 clamp(28px, 4vw, 48px);
  border-bottom: 0.5px solid var(--rule);
}
.page-header-inner { max-width: 760px; }
.page-title {
  font-size: clamp(36px, 5vw, 52px);
  line-height: 1.06;
  letter-spacing: -0.02em;
  margin: 0 0 18px;
}
.page-lede {
  font-size: clamp(16px, 1.5vw, 18px);
  color: var(--ink-muted);
  line-height: 1.6;
  max-width: 640px;
  margin: 0;
}

/* ---------- Generic content section ---------- */
.section {
  padding: clamp(48px, 7vw, 80px) 0;
}
.section + .section {
  border-top: 0.5px solid var(--rule);
}

/* Long-form prose column */
.prose-narrow {
  max-width: 680px;
}
.prose-narrow p,
.prose-narrow ul,
.prose-narrow ol {
  font-size: 16px;
  line-height: 1.7;
  color: var(--ink-muted);
  margin: 0 0 1em;
}
.prose-narrow ul, .prose-narrow ol { padding-left: 22px; }
.prose-narrow li + li { margin-top: 6px; }
.prose-narrow h2 {
  font-size: clamp(22px, 2.6vw, 28px);
  margin: 2em 0 0.6em;
}
.prose-narrow h3 {
  font-size: 20px;
  margin: 1.6em 0 0.5em;
}
.prose-narrow a {
  text-decoration: underline;
  text-decoration-color: rgba(80,18,20,0.3);
  text-underline-offset: 2px;
}
.prose-narrow a:hover {
  text-decoration-color: var(--accent);
}

/* Inline figure inside prose */
.inline-figure {
  margin: clamp(28px, 4vw, 40px) 0;
}
.inline-figure img {
  border-radius: var(--radius-lg);
  width: 100%;
}
.inline-figure figcaption {
  margin-top: 10px;
  font-size: 13px;
  color: var(--ink-soft);
  font-style: italic;
}

/* ---------- Mission detail hero ---------- */
.mission-hero {
  padding: clamp(40px, 6vw, 72px) 0 clamp(28px, 4vw, 44px);
}
.mission-hero-inner {
  max-width: 760px;
}
.mission-hero .mission-status {
  margin-bottom: 18px;
}
.mission-hero .page-title {
  margin-bottom: 16px;
}

/* ---------- Team grid ---------- */
.team-section + .team-section {
  margin-top: clamp(40px, 6vw, 64px);
}
.team-section-title {
  font-size: 20px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  font-family: var(--sans);
  font-weight: 500;
  color: var(--ink-soft);
  margin: 0 0 22px;
}
.team-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: clamp(20px, 3vw, 32px);
}
.team-card {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 14px;
}
.team-photo,
.team-monogram {
  width: 100%;
  aspect-ratio: 1 / 1;
  border-radius: 50%;
  background: var(--surface-alt);
  overflow: hidden;
}
.team-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.team-monogram {
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--serif);
  font-size: clamp(34px, 5vw, 48px);
  color: var(--accent);
  background: var(--accent-bg);
  letter-spacing: 0.02em;
}
.team-name {
  font-size: 18px;
  font-family: var(--serif);
  margin: 0;
  letter-spacing: -0.01em;
}
.team-role {
  font-size: 13px;
  color: var(--ink-soft);
  margin: 0;
}

ul.team-links {
  list-style: none !important;
  margin: 10px 0 0;
  padding: 0;
  display: flex !important;
  flex-direction: row !important;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  line-height: 1;
}
ul.team-links > li {
  display: inline-flex !important;
  list-style: none !important;
  margin: 0 !important;
  padding: 0 !important;
}
ul.team-links > li::marker {
  content: "";
}
.team-links a {
  display: inline-flex;
  color: var(--accent);
  transition: color 0.18s var(--ease);
}
.team-links a:hover {
  color: var(--accent-soft);
}
.team-links svg {
  width: 16px;
  height: 16px;
  display: block;
}

/* ---------- Photo gallery (3-up strip) ---------- */
.gallery {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(12px, 2vw, 18px);
  margin: clamp(28px, 4vw, 40px) 0;
}
.gallery figure { margin: 0; }
.gallery img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border-radius: var(--radius);
  background: var(--surface-alt);
}
.gallery figcaption {
  font-size: 12px;
  color: var(--ink-soft);
  margin-top: 8px;
  line-height: 1.45;
}
@media (max-width: 700px) {
  .gallery { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 480px) {
  .gallery { grid-template-columns: 1fr; }
}

/* ---------- Contact card ---------- */
.contact-grid {
  display: grid;
  grid-template-columns: 180px 1fr;
  gap: 12px 32px;
  max-width: 640px;
}
.contact-grid dt {
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--ink-soft);
  font-weight: 500;
  padding-top: 4px;
}
.contact-grid dd {
  margin: 0;
  font-size: 16px;
  color: var(--ink);
}
.contact-grid dd a {
  text-decoration: underline;
  text-decoration-color: rgba(80,18,20,0.3);
  text-underline-offset: 2px;
}
@media (max-width: 600px) {
  .contact-grid {
    grid-template-columns: 1fr;
    gap: 4px 0;
  }
  .contact-grid dt { padding-top: 12px; }
  .contact-grid dt:first-of-type { padding-top: 0; }
}

/* ---------- Past missions list ---------- */
.past-mission {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: clamp(20px, 4vw, 40px);
  padding: clamp(28px, 4vw, 40px) 0;
  border-bottom: 0.5px solid var(--rule);
  align-items: start;
}
.past-mission:last-child { border-bottom: 0; }
.past-mission-image {
  background: var(--surface-alt);
  border-radius: var(--radius-lg);
  overflow: hidden;
  aspect-ratio: 1 / 1;
}
.past-mission-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.past-mission-name {
  font-size: clamp(22px, 2.4vw, 28px);
  margin: 0 0 6px;
}
.past-mission-meta {
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--ink-soft);
  margin: 0 0 14px;
}
.past-mission-desc {
  font-size: 15px;
  line-height: 1.65;
  color: var(--ink-muted);
  margin: 0;
}
@media (max-width: 700px) {
  .past-mission { grid-template-columns: 1fr; }
  .past-mission-image { max-width: 200px; }
}

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