/* ==========================================================================
   Cape Institute for Safe AI — base stylesheet
   Design language: hairline black bounding boxes, retro-futurism,
   subtle ASCII accents, monochrome + blue/red brand blocks.
   ========================================================================== */

@font-face {
  font-family: "Axion";
  src: url("../fonts/Axion.otf") format("opentype");
  font-weight: 400 700;
  font-style: normal;
  font-display: swap;
}

:root {
  --color-bg: #ffffff;
  --color-page-bg: #f7fdffff;
  --color-ink: #111111;
  --color-line: #111111;
  --color-muted: #494949;
  --color-faint: #f4f4f2;
  --color-blue: #1c23e0;
  --color-red: #d9000a;

  --font-display: "Axion", "Lato", sans-serif;
  --font-body: "Lato", sans-serif;
  --font-mono: "JetBrains Mono", monospace;

  --border: 1px solid var(--color-line);
  --gutter: clamp(20px, 4vw, 60px);
  --section-pad: clamp(48px, 8vw, 96px);
  --partners-gap: clamp(32px, 5vw, 56px);
  --max-width: 1320px;
  --header-h: clamp(78px, 9.1vw, 109px);

  --hex-tile-size: 27.28px 47.25px;
  --hex-mask: url("data:image/svg+xml,%3Csvg%20xmlns%3D%22http%3A//www.w3.org/2000/svg%22%20width%3D%2227.280%22%20height%3D%2247.250%22%20viewBox%3D%220%200%2027.280%2047.250%22%3E%3Cpolygon%20points%3D%22-13.64%2C-23.62%200.00%2C-15.75%200.00%2C-0.00%20-13.64%2C7.88%20-27.28%2C-0.00%20-27.28%2C-15.75%22%20fill%3D%22none%22%20stroke%3D%22%23ffffff%22%20stroke-width%3D%221%22/%3E%3Cpolygon%20points%3D%2213.64%2C-23.62%2027.28%2C-15.75%2027.28%2C-0.00%2013.64%2C7.88%20-0.00%2C-0.00%200.00%2C-15.75%22%20fill%3D%22none%22%20stroke%3D%22%23ffffff%22%20stroke-width%3D%221%22/%3E%3Cpolygon%20points%3D%2240.92%2C-23.62%2054.56%2C-15.75%2054.56%2C-0.00%2040.92%2C7.88%2027.28%2C-0.00%2027.28%2C-15.75%22%20fill%3D%22none%22%20stroke%3D%22%23ffffff%22%20stroke-width%3D%221%22/%3E%3Cpolygon%20points%3D%2268.20%2C-23.62%2081.84%2C-15.75%2081.84%2C-0.00%2068.20%2C7.88%2054.56%2C-0.00%2054.56%2C-15.75%22%20fill%3D%22none%22%20stroke%3D%22%23ffffff%22%20stroke-width%3D%221%22/%3E%3Cpolygon%20points%3D%22-27.28%2C0.00%20-13.64%2C7.88%20-13.64%2C23.62%20-27.28%2C31.50%20-40.92%2C23.62%20-40.92%2C7.87%22%20fill%3D%22none%22%20stroke%3D%22%23ffffff%22%20stroke-width%3D%221%22/%3E%3Cpolygon%20points%3D%220.00%2C0.00%2013.64%2C7.88%2013.64%2C23.62%200.00%2C31.50%20-13.64%2C23.62%20-13.64%2C7.87%22%20fill%3D%22none%22%20stroke%3D%22%23ffffff%22%20stroke-width%3D%221%22/%3E%3Cpolygon%20points%3D%2227.28%2C0.00%2040.92%2C7.88%2040.92%2C23.62%2027.28%2C31.50%2013.64%2C23.62%2013.64%2C7.87%22%20fill%3D%22none%22%20stroke%3D%22%23ffffff%22%20stroke-width%3D%221%22/%3E%3Cpolygon%20points%3D%2254.56%2C0.00%2068.20%2C7.88%2068.20%2C23.62%2054.56%2C31.50%2040.92%2C23.62%2040.92%2C7.87%22%20fill%3D%22none%22%20stroke%3D%22%23ffffff%22%20stroke-width%3D%221%22/%3E%3Cpolygon%20points%3D%22-13.64%2C23.62%200.00%2C31.50%200.00%2C47.25%20-13.64%2C55.12%20-27.28%2C47.25%20-27.28%2C31.50%22%20fill%3D%22none%22%20stroke%3D%22%23ffffff%22%20stroke-width%3D%221%22/%3E%3Cpolygon%20points%3D%2213.64%2C23.62%2027.28%2C31.50%2027.28%2C47.25%2013.64%2C55.12%20-0.00%2C47.25%200.00%2C31.50%22%20fill%3D%22none%22%20stroke%3D%22%23ffffff%22%20stroke-width%3D%221%22/%3E%3Cpolygon%20points%3D%2240.92%2C23.62%2054.56%2C31.50%2054.56%2C47.25%2040.92%2C55.12%2027.28%2C47.25%2027.28%2C31.50%22%20fill%3D%22none%22%20stroke%3D%22%23ffffff%22%20stroke-width%3D%221%22/%3E%3Cpolygon%20points%3D%2268.20%2C23.62%2081.84%2C31.50%2081.84%2C47.25%2068.20%2C55.12%2054.56%2C47.25%2054.56%2C31.50%22%20fill%3D%22none%22%20stroke%3D%22%23ffffff%22%20stroke-width%3D%221%22/%3E%3Cpolygon%20points%3D%22-27.28%2C47.25%20-13.64%2C55.12%20-13.64%2C70.88%20-27.28%2C78.75%20-40.92%2C70.88%20-40.92%2C55.12%22%20fill%3D%22none%22%20stroke%3D%22%23ffffff%22%20stroke-width%3D%221%22/%3E%3Cpolygon%20points%3D%220.00%2C47.25%2013.64%2C55.12%2013.64%2C70.88%200.00%2C78.75%20-13.64%2C70.88%20-13.64%2C55.12%22%20fill%3D%22none%22%20stroke%3D%22%23ffffff%22%20stroke-width%3D%221%22/%3E%3Cpolygon%20points%3D%2227.28%2C47.25%2040.92%2C55.12%2040.92%2C70.88%2027.28%2C78.75%2013.64%2C70.88%2013.64%2C55.12%22%20fill%3D%22none%22%20stroke%3D%22%23ffffff%22%20stroke-width%3D%221%22/%3E%3Cpolygon%20points%3D%2254.56%2C47.25%2068.20%2C55.12%2068.20%2C70.88%2054.56%2C78.75%2040.92%2C70.88%2040.92%2C55.12%22%20fill%3D%22none%22%20stroke%3D%22%23ffffff%22%20stroke-width%3D%221%22/%3E%3Cpolygon%20points%3D%22-13.64%2C70.88%200.00%2C78.75%200.00%2C94.50%20-13.64%2C102.38%20-27.28%2C94.50%20-27.28%2C78.75%22%20fill%3D%22none%22%20stroke%3D%22%23ffffff%22%20stroke-width%3D%221%22/%3E%3Cpolygon%20points%3D%2213.64%2C70.88%2027.28%2C78.75%2027.28%2C94.50%2013.64%2C102.38%20-0.00%2C94.50%200.00%2C78.75%22%20fill%3D%22none%22%20stroke%3D%22%23ffffff%22%20stroke-width%3D%221%22/%3E%3Cpolygon%20points%3D%2240.92%2C70.88%2054.56%2C78.75%2054.56%2C94.50%2040.92%2C102.38%2027.28%2C94.50%2027.28%2C78.75%22%20fill%3D%22none%22%20stroke%3D%22%23ffffff%22%20stroke-width%3D%221%22/%3E%3Cpolygon%20points%3D%2268.20%2C70.88%2081.84%2C78.75%2081.84%2C94.50%2068.20%2C102.38%2054.56%2C94.50%2054.56%2C78.75%22%20fill%3D%22none%22%20stroke%3D%22%23ffffff%22%20stroke-width%3D%221%22/%3E%3C/svg%3E");
  --hex-gradient: linear-gradient(to right, #2f609e 0%, #ecf7ff 12%, #ecf7ff 88%, #2f609e 100%);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  position: relative;
  isolation: isolate;
  background-color: var(--color-page-bg);
  color: var(--color-ink);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* Hexagon mesh backdrop, coloured with the gradient from the CISAI banner
   (navy -> near-white -> maroon -> orange -> gold). Rendered as a mask over
   a full-viewport gradient so the colour sweep is continuous across the
   whole page, rather than resetting at every repeated tile. */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background: var(--hex-gradient);
  -webkit-mask-image: var(--hex-mask);
  mask-image: var(--hex-mask);
  -webkit-mask-repeat: repeat;
  mask-repeat: repeat;
  -webkit-mask-size: var(--hex-tile-size);
  mask-size: var(--hex-tile-size);
}

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

a {
  color: inherit;
}

.wrap {
  max-width: var(--max-width);
  margin: 0 auto;
  padding-left: var(--gutter);
  padding-right: var(--gutter);
}

/* ---------- Typography helpers ---------- */

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.05;
  margin: 0;
  letter-spacing: -0.01em;
}

.section-title {
  font-size: clamp(28px, 4vw, 44px);
  max-width: 18ch;
}

.body-lead {
  font-size: clamp(16px, 1.4vw, 19px);
  color: var(--color-muted);
  max-width: 62ch;
}

.mono-label {
  font-family: var(--font-mono);
  font-size: 16px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--color-muted);
}

/* ---------- ASCII accents ---------- */

.ascii-corner {
  position: absolute;
  font-family: var(--font-mono);
  font-size: 18px;
  line-height: 1;
  color: var(--color-ink);
  pointer-events: none;
  user-select: none;
}

.ascii-corner.tl { top: -1px; left: -1px; transform: translate(-4px, -4px); }
.ascii-corner.tr { top: -1px; right: -1px; transform: translate(4px, -4px); }
.ascii-corner.bl { bottom: -1px; left: -1px; transform: translate(-4px, 4px); }
.ascii-corner.br { bottom: -1px; right: -1px; transform: translate(4px, 4px); }

.framed {
  position: relative;
  border: var(--border);
}

.capacity__gif {
  display: block;
  width: 100%;
  height: auto;
  max-width: 480px;
  margin-top: 44px;
}

/* ---------- Buttons ---------- */

.btn {
  font-family: var(--font-mono);
  text-transform: uppercase;
  font-size: 16px;
  letter-spacing: 0.1em;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 22px;
  border: var(--border);
  background: var(--color-bg);
  color: var(--color-ink);
  text-decoration: none;
  cursor: pointer;
  transition: background 0.15s ease, color 0.15s ease, transform 0.15s ease;
}

.btn:hover {
  background: var(--color-blue);
  border-color: var(--color-blue);
  color: #fff;
}

.btn.is-secondary {
  background: transparent;
  color: var(--color-ink);
}

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

.btn .arrow {
  transition: transform 0.15s ease;
}

.btn:hover .arrow {
  transform: translateX(3px);
}

/* ---------- Header / nav ---------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background-color: var(--color-bg);
  border-bottom: var(--border);
}

.site-header::before,
.site-header::after {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  background-color: var(--color-bg);
  z-index: -1;
}

.site-header::before {
  left: 0;
  right: calc(50% + (var(--max-width) / 2));
}

.site-header::after {
  left: calc(50% + (var(--max-width) / 2));
  right: 0;
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-h);
  padding-left: 0;
  padding-right: 0;
  background: var(--color-bg);
}

.logo-link {
  display: flex;
  align-items: center;
  height: 100%;
  flex-shrink: 0;
  padding: clamp(1.5px, 0.175vw, 2.1px) clamp(34px, 4vw, 54px) clamp(1.5px, 0.175vw, 2.1px) clamp(26px, 3vw, 40px);
}

.logo-link img {
  height: 60%;
  width: auto;
  max-width: none;
}

.site-nav {
  display: flex;
  align-items: stretch;
  height: 100%;
  gap: 0;
  flex-wrap: nowrap;
}

.site-nav a {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 100%;
  min-width: calc(7ch + 2 * clamp(20px, 2.2vw, 30px) + 2px);
  font-family: var(--font-mono);
  font-weight: 400;
  font-size: 15px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  text-decoration: none;
  white-space: nowrap;
  flex-shrink: 0;
  padding: 0 clamp(20px, 2.2vw, 30px);
  transition: background 0.15s ease, color 0.15s ease;
}

.nav-label {
  position: relative;
}

.nav-label::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 2px;
  background: var(--color-blue);
  transition: background 0.15s ease;
}

.site-nav a:hover .nav-label::after {
  background: var(--color-red);
}

.nav-toggle {
  display: none;
  align-items: center;
  justify-content: center;
  border: none;
  background: none;
  padding: 10px 14px;
  cursor: pointer;
  flex-shrink: 0;
}

/* ---------- Nav dropdown (Capacity Building submenu) ---------- */
/* No visible caret: Capacity Building is a real link to its own page.
   Desktop reveals the submenu on hover/focus; the collapsed mobile menu
   just lists it inline, permanently expanded, since it's already a
   scrollable vertical list with no room for a hover affordance. */

.nav-item {
  position: relative;
  display: flex;
  align-items: stretch;
  flex-shrink: 0;
}

.nav-dropdown {
  flex-direction: column;
}

.site-header:not(.nav-collapsed) .nav-dropdown {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 230px;
  background: var(--color-bg);
  border: var(--border);
  z-index: 60;
}

.site-header:not(.nav-collapsed) .nav-item:hover .nav-dropdown,
.site-header:not(.nav-collapsed) .nav-item:focus-within .nav-dropdown {
  display: flex;
}

.site-header:not(.nav-collapsed) .nav-dropdown a {
  height: auto;
  min-width: 0;
  width: 100%;
  justify-content: flex-start;
  padding: 14px 20px;
  font-size: 14px;
  border-bottom: var(--border);
}

.site-header:not(.nav-collapsed) .nav-dropdown a:last-child {
  border-bottom: none;
}

.site-header:not(.nav-collapsed) .nav-dropdown a:hover {
  background: var(--color-faint);
}

.site-header.nav-collapsed .nav-item {
  flex-direction: column;
  align-items: stretch;
}

.site-header.nav-collapsed .nav-dropdown {
  display: flex;
}

.site-header.nav-collapsed .nav-item .nav-dropdown a {
  padding-left: calc(var(--gutter) + 18px);
  background: var(--color-faint);
}

/* ---------- Section shell ---------- */

.section,
#home {
  scroll-margin-top: var(--header-h);
}

.section > .wrap {
  position: relative;
  padding-top: var(--section-pad);
  padding-bottom: var(--section-pad);
}

.section > .wrap::before {
  content: "";
  position: absolute;
  top: 0;
  left: var(--gutter);
  right: var(--gutter);
  height: 1px;
  background: var(--color-line);
}

/* Hero flows straight into About, so this seam is intentionally tighter
   than the standard section gap (~1/3 of it). */
/* ---------- Hero ---------- */

.hero {
  position: relative;
  overflow: hidden;
}

.hero > .wrap {
  position: relative;
  z-index: 1;
  padding-top: var(--section-pad);
  padding-bottom: var(--section-pad);
}

.hero__grid {
  display: grid;
  grid-template-columns: 1fr 1.05fr;
  gap: 0;
  align-items: start;
}

.hero__text h1 {
  font-size: clamp(36px, 5.4vw, 54px);
  margin-bottom: 24px;
}

.hero__focus {
  margin-top: 40px;
  padding-top: 24px;
  border-top: var(--border);
}

.hero__focus .mono-label {
  display: block;
  margin-bottom: 16px;
  font-family: var(--font-display);
  color: var(--color-ink);
}

.hero__focus-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px 28px;
}

.hero__focus-list li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-family: var(--font-body);
  font-size: clamp(16px, 1.4vw, 19px);
  color: var(--color-muted);
}

.hero__focus-list .dot {
  width: 8px;
  height: 8px;
  flex-shrink: 0;
  margin-top: calc(0.8em - 4px);
  background: var(--color-red);
}

.hero__actions {
  display: flex;
  gap: 16px;
  margin-top: 36px;
  flex-wrap: wrap;
}

.hero__image {
  position: relative;
  overflow: visible;
  width: 100%;
  padding-top: 48px;
  padding-left: 25px;
}

.about__gif {
  display: block;
  width: 60%;
  height: auto;
  margin-top: 64px;
  margin-left: auto;
  margin-right: auto;
}

.hero__image img {
  display: block;
  width: 100%;
  height: auto;
}

/* ---------- About ---------- */

.about__grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: clamp(32px, 5vw, 72px);
}

.about__copy p + p {
  margin-top: 1em;
}

.about__subheading {
  font-size: 20px;
  margin-top: 1.4em;
  margin-bottom: 0.5em;
}

.about__list {
  list-style: none;
  margin: 28px 0 0;
  padding: 0;
  display: grid;
  gap: 0;
  border-top: var(--border);
}

.about__list li {
  display: flex;
  gap: 16px;
  padding: 16px 0;
  border-bottom: var(--border);
  align-items: baseline;
}

.about__list .tag {
  font-family: var(--font-mono);
  font-size: 16px;
  color: var(--color-blue);
  min-width: 3ch;
}

/* ---------- Research ---------- */

/* Override the generic section padding so the wrap itself becomes a grid.
   Padding is applied per-column instead. */
#research > .wrap {
  padding: 0;
}

.research__wrap {
  display: grid;
  grid-template-columns: 6fr 4fr;
  align-items: start;
}

.research__main {
  padding: var(--section-pad) var(--gutter) 32px;
}

.research__visual {
  display: flex;
  align-items: start;
  justify-content: center;
  align-self: center;
  padding-top: 24px;
  padding-bottom: 24px;
  padding-right: var(--gutter);
}

.research__bets {
  grid-column: 1 / -1;
  padding: 0 var(--gutter) var(--section-pad);
}

.research__bets .card-grid {
  margin-top: 44px;
}

.research__gif {
  display: block;
  width: 338px;
  height: auto;
  max-width: 100%;
  position: relative;
  left: -80px;
  top: 30px;
}

/* ---------- Card grids (research / capacity) ---------- */

.card-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  border-top: var(--border);
  border-left: var(--border);
  margin-top: 22px;
}

.card {
  border-right: var(--border);
  border-bottom: var(--border);
  background: var(--color-bg);
  padding: 28px;
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 14px;
  min-height: 220px;
}

.card-heading {
  display: flex;
  align-items: flex-start;
  gap: 10px;
}

.card .swatch {
  width: 14px;
  height: 14px;
  flex-shrink: 0;
  margin-top: 3px;
  background: var(--color-blue);
}

.card:nth-child(3n+2) .swatch {
  background: var(--color-red);
}

.card:nth-child(3n) .swatch {
  background: var(--color-ink);
}

.card h3 {
  font-size: 18px;
}

.card p {
  color: var(--color-muted);
  font-size: 14.5px;
  margin: 0;
}

.card p a {
  color: var(--color-blue);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.card p a:hover {
  color: var(--color-red);
}

.card .card-meta {
  margin-top: auto;
  font-family: var(--font-mono);
  font-size: 15px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-muted);
  text-decoration: none;
  display: inline-block;
  width: fit-content;
}

.card a.card-meta {
  text-decoration: underline;
  text-decoration-color: var(--color-muted);
  text-underline-offset: 3px;
}

.card a.card-meta:hover {
  color: var(--color-blue);
  text-decoration-color: var(--color-blue);
}

.card .card-meta.btn {
  display: inline-flex;
  margin-top: auto;
  font-size: 15px;
  color: var(--color-ink);
  text-decoration: none;
}

.card a.card-meta.btn:hover {
  color: var(--color-bg);
  text-decoration: none;
}

/* ---------- Content page cards (Programs / Events / Get Involved) ---------- */

.card__image {
  display: block;
  width: calc(100% + 56px);
  height: 160px;
  margin: -28px -28px 4px;
  object-fit: cover;
  filter: grayscale(1);
  transition: filter 0.2s ease;
}

.card:hover .card__image {
  filter: grayscale(0);
}

.card-grid--2 {
  grid-template-columns: repeat(2, 1fr);
}

.page-hero__image {
  aspect-ratio: 4 / 3;
  overflow: hidden;
}

.page-hero__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* ---------- Capacity building ---------- */

.capacity__intro {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: clamp(32px, 5vw, 72px);
  align-items: start;
  margin-bottom: clamp(32px, 5vw, 56px);
}

.capacity__stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  border: var(--border);
  margin-top: 28px;
}

.capacity__stats div {
  padding: 20px;
  background: var(--color-bg);
  border-right: var(--border);
  border-bottom: var(--border);
}

.capacity__stats div:nth-child(2n) {
  border-right: none;
}

.capacity__stats div:nth-last-child(-n+2) {
  border-bottom: none;
}

.capacity__stats .num {
  font-family: var(--font-mono);
  font-size: 32px;
  display: block;
}

.capacity__stats .label {
  font-family: var(--font-mono);
  font-size: 14px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-muted);
}

/* Partners strip */

.partners {
  margin-top: 54px;
}

.partners .about__subheading {
  margin-top: 0;
  margin-bottom: 20px;
}

#capacity > .wrap {
  padding-bottom: var(--partners-gap);
}

.partners__carousel {
  position: relative;
  overflow: hidden;
  border-top: var(--border);
  padding-top: var(--partners-gap);
}

.partners__track {
  display: flex;
  width: max-content;
  animation: partners-marquee 32s linear infinite;
  -webkit-mask-image: linear-gradient(to right, transparent 0, #000 48px, #000 calc(100% - 48px), transparent 100%);
  mask-image: linear-gradient(to right, transparent 0, #000 48px, #000 calc(100% - 48px), transparent 100%);
}

.partners__carousel:hover .partners__track {
  animation-play-state: paused;
}

@keyframes partners-marquee {
  from { transform: translate3d(0, 0, 0); }
  to { transform: translate3d(-50%, 0, 0); }
}

.partners__row {
  display: flex;
  flex-wrap: nowrap;
  align-items: center;
  gap: clamp(24px, 4vw, 48px);
  padding-right: clamp(24px, 4vw, 48px);
  flex-shrink: 0;
}

.partner-logo {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 55px;
  width: 182px;
  flex-shrink: 0;
}

.partners__row img {
  height: 100%;
  width: 100%;
  object-fit: contain;
  filter: grayscale(1);
  opacity: 0.75;
}

@media (prefers-reduced-motion: reduce) {
  .partners__track {
    animation: none;
  }

  .partners__carousel {
    overflow-x: auto;
  }
}

/* ---------- Team ---------- */

.team-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  border-top: var(--border);
  border-left: var(--border);
  margin-top: 44px;
}

.team-card {
  border-right: var(--border);
  border-bottom: var(--border);
  background: var(--color-bg);
  padding: 26px;
}

.team-card__photo {
  width: 100%;
  aspect-ratio: 1 / 1;
  overflow: hidden;
  background: var(--color-faint);
  border: var(--border);
  margin-bottom: 18px;
}

.team-card__photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: grayscale(1);
  transition: filter 0.2s ease;
}

.team-card:hover .team-card__photo img {
  filter: grayscale(0);
}

.team-card h3 {
  font-size: 17px;
  margin-bottom: 4px;
}

.team-card .role {
  font-family: var(--font-mono);
  font-size: 15px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-blue);
  display: block;
  margin-bottom: 12px;
}

.team-card p {
  color: var(--color-muted);
  font-size: 14px;
  margin: 0 0 14px;
}

.team-card__links {
  display: flex;
  gap: 10px;
  margin-top: 4px;
}

.team-card__icon-link {
  color: #999;
  text-decoration: none;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: color 0.15s ease;
}

.team-card__icon-link:hover {
  color: var(--color-blue);
}

.team-card__icon-link svg {
  width: 18px;
  height: 18px;
  fill: currentColor;
}

/* ---------- Contact ---------- */

.contact__grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: clamp(32px, 5vw, 72px);
}

.contact__details {
  display: flex;
  flex-direction: column;
  gap: 22px;
}

.contact__detail .mono-label {
  margin-bottom: 6px;
  display: block;
}

.contact__socials {
  display: flex;
  gap: 14px;
  margin-top: 8px;
}

.contact__socials a {
  border: var(--border);
  background: var(--color-bg);
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  transition: background 0.15s ease, color 0.15s ease;
}

.contact__socials a:hover {
  background: var(--color-ink);
  color: var(--color-bg);
}

.contact__socials svg {
  width: 16px;
  height: 16px;
  fill: currentColor;
}

.form {
  border: var(--border);
  background: var(--color-bg);
  padding: clamp(24px, 3vw, 40px);
  position: relative;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}

.form-row + .form-row,
.form-row + .field,
.field + .field {
  margin-top: 18px;
}

.form-row .field + .field {
  margin-top: 0;
}

.field {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.field label {
  font-family: var(--font-mono);
  font-size: 15px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-muted);
}

.field input,
.field textarea,
.field select {
  font-family: var(--font-body);
  font-size: 15px;
  padding: 12px 4px;
  border: none;
  border-bottom: var(--border);
  background: transparent;
  color: var(--color-ink);
  outline: none;
}

.field textarea {
  resize: vertical;
  min-height: 110px;
}

.field input:focus,
.field textarea:focus,
.field select:focus {
  border-bottom-color: var(--color-blue);
}

.form-note {
  font-family: var(--font-mono);
  font-size: 15px;
  color: var(--color-muted);
  margin-top: 16px;
}

.form button[type="submit"] {
  margin-top: 22px;
}

.form__success {
  display: none;
  font-family: var(--font-mono);
  font-size: 15px;
  color: var(--color-blue);
  margin-bottom: 16px;
}

.form__error-global {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--color-red);
  margin-bottom: 12px;
}

.field-error {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--color-red);
  min-height: 1em;
}

/* ---------- Defined terms + popup (d/acc, Schelling point) ---------- */

abbr.dacc-term,
abbr.schelling-term {
  text-decoration: none;
  color: var(--color-blue);
  border-bottom: 1.5px solid var(--color-blue);
  cursor: pointer;
  font-style: normal;
}

abbr.dacc-term:hover,
abbr.schelling-term:hover {
  color: var(--color-red);
  border-bottom-color: var(--color-red);
}

.term-popup {
  position: fixed;
  z-index: 200;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: clamp(300px, 90vw, 560px);
  border: 2px solid var(--color-ink);
  background: var(--color-bg);
  font-family: var(--font-mono);
}

.term-popup[hidden] {
  display: none;
}

.term-popup__header {
  display: flex;
  align-items: center;
  gap: 8px;
  background: #888888;
  padding: 10px 16px;
  border-bottom: 2px solid var(--color-ink);
}

.term-popup__asterisk {
  color: var(--color-red);
  font-size: 18px;
  line-height: 1;
}

.term-popup__title {
  font-family: var(--font-mono);
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-bg);
  flex: 1;
}

.term-popup__close {
  background: none;
  border: none;
  color: var(--color-bg);
  font-size: 20px;
  line-height: 1;
  cursor: pointer;
  padding: 0 4px;
  font-family: var(--font-body);
}

.term-popup__close:hover {
  opacity: 0.7;
}

.term-popup__body {
  background: #f0f0f0;
  padding: 20px 20px 16px;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--color-ink);
  line-height: 1.6;
}

.term-popup__body > p:first-child {
  margin: 0 0 12px;
}

.term-popup__body > p:last-child {
  margin: 0;
}

.term-popup__list {
  list-style: none;
  padding: 0;
  margin: 0 0 14px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.term-popup__list li {
  padding-left: 14px;
  position: relative;
}

.term-popup__list li::before {
  content: "—";
  position: absolute;
  left: 0;
  color: var(--color-muted);
}

.term-popup__link {
  margin: 0;
  font-size: 12px;
  color: var(--color-muted);
}

.term-popup__link a {
  color: var(--color-blue);
  text-decoration: underline;
}

.term-popup__backdrop {
  position: fixed;
  inset: 0;
  z-index: 199;
  background: rgba(0,0,0,0.25);
}

.term-popup__backdrop[hidden] {
  display: none;
}

/* ---------- Footer ---------- */

.site-footer {
  position: relative;
  padding: 40px 0;
  background: var(--color-bg);
  border-top: var(--border);
  border-bottom: var(--border);
}

.site-footer__inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
  background: var(--color-bg);
}

.site-footer .mono-label {
  margin: 0;
}

.footer-links {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
}

.footer-links a {
  font-family: var(--font-mono);
  font-size: 15px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  text-decoration: none;
  color: var(--color-muted);
}

.footer-links a:hover {
  color: var(--color-ink);
}

/* ---------- Responsive ---------- */

@media (max-width: 900px) {
  .hero__grid,
  .about__grid,
  .capacity__intro,
  .contact__grid {
    grid-template-columns: 1fr;
  }

  .hero__image {
    order: -1;
    width: 100%;
    max-width: 420px;
    margin: 0 auto;
    padding: 12px 16px 24px;
    display: flex;
    flex-direction: column;
  }

  .hero__image img {
    order: 0;
  }

  .card-grid,
  .card-grid--2,
  .team-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .form-row {
    grid-template-columns: 1fr;
  }

  /* The -80px/30px offset is a desktop-only decorative nudge; below
     900px it just pushes the video into the text column since there's
     no longer enough spare width to absorb it. */
  .research__gif {
    left: 0;
    top: 0;
  }
}

/* Nav collapses into the hamburger menu based on measured overflow
   (see main.js), not a fixed viewport breakpoint. */
.site-header.nav-collapsed .site-nav {
  position: fixed;
  inset: 78px 0 0 0;
  height: auto;
  background: var(--color-bg);
  flex-direction: column;
  align-items: stretch;
  padding: 0;
  gap: 0;
  border-top: var(--border);
  transform: translateY(-110%);
  transition: transform 0.25s ease;
  overflow-y: auto;
}

.site-header.nav-collapsed .site-nav.is-open {
  transform: translateY(0);
}

.site-header.nav-collapsed .site-nav a {
  height: auto;
  min-width: 0;
  width: 100%;
  justify-content: flex-start;
  border-left: none;
  border-bottom: var(--border);
  padding: 18px var(--gutter);
}

.site-header.nav-collapsed .site-nav a:last-child {
  border-right: none;
}

.site-header.nav-collapsed .nav-toggle {
  display: inline-flex;
}

@media (max-width: 700px) {
  .section-title {
    max-width: none;
  }

  .research__wrap {
    display: flex;
    flex-direction: column;
  }

  /* On mobile the visual column slots between body text and bets.
     Order: main(0) → visual(1) → bets(2) */
  .research__main  { order: 0; }
  .research__visual { order: 1; }
  .research__bets  { order: 2; }

  .research__main {
    padding-left: var(--gutter);
    padding-right: var(--gutter);
    padding-bottom: 2px;
  }

  .research__visual {
    padding: 30px var(--gutter);
    border-top: none;
    justify-content: center;
    align-self: auto;
  }

  .research__bets {
    padding-left: var(--gutter);
    padding-right: var(--gutter);
  }

  .research__gif {
    width: 65%;
    max-width: 65%;
    height: auto;
    position: static;
    left: auto;
    top: auto;
  }
}

@media (max-width: 700px) {
  .card-grid,
  .card-grid--2,
  .team-grid {
    grid-template-columns: 1fr;
  }

  .team-card__photo {
    width: 70%;
    margin-left: auto;
    margin-right: auto;
  }

  .capacity__stats {
    grid-template-columns: 1fr;
  }

  .capacity__stats div:nth-child(2n) {
    border-right: var(--border);
  }

  /* Restore borders stripped by the desktop last-row rule */
  .capacity__stats div:nth-last-child(-n+2) {
    border-bottom: var(--border);
  }

  .capacity__stats div:last-child {
    border-bottom: none;
  }
}

/* Extra breathing room for the research video only kicks in on wide
   desktop viewports, where there's enough width for it not to crowd
   the text column or overlap into the card grid below. */
@media (min-width: 1150px) {
  .research__visual {
    padding-left: 72px;
    margin-top: 100px;
    margin-bottom: -100px;
  }
}