@import url("https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;500;600&family=Space+Grotesk:wght@400;500;600;700&display=swap");

:root {
  --background: #f1f0eb;
  --surface: #ffffff;
  --text: #171714;
  --muted: #6f6d65;
  --border: #c9c7bf;
  --accent: #ff4f2e;
  --dark: #171714;
  --page-padding: clamp(20px, 4vw, 64px);
  --section-spacing: clamp(80px, 12vw, 180px);
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  overflow-x: hidden;
  background: var(--background);
  color: var(--text);
  font-family: "DM Sans", sans-serif;
  line-height: 1.6;
}
::selection { background: var(--accent); color: white; }
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }

.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px var(--page-padding);
  transition: background 250ms ease, border-color 250ms ease;
  border-bottom: 1px solid transparent;
}
.site-header.scrolled {
  background: rgba(241,240,235,.9);
  border-color: rgba(23,23,20,.12);
  backdrop-filter: blur(14px);
}
.brand { display: flex; align-items: center; gap: 10px; font: 600 .78rem "DM Mono", monospace; text-transform: uppercase; letter-spacing: .08em; }
.brand-dot { width: 9px; height: 9px; border-radius: 50%; background: var(--accent); }
.navigation { display: flex; gap: 28px; }
.navigation a { font: 500 .74rem "DM Mono", monospace; text-transform: uppercase; letter-spacing: .08em; }

.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 130px var(--page-padding) 50px;
  overflow: hidden;
}
.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(23,23,20,.07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(23,23,20,.07) 1px, transparent 1px);
  background-size: 70px 70px;
  mask-image: linear-gradient(to bottom, black, transparent 90%);
}
.eyebrow, .section-label, .map-kicker, .footer-label {
  font: 500 .74rem "DM Mono", monospace;
  text-transform: uppercase;
  letter-spacing: .12em;
  color: var(--muted);
}
.hero-title-wrap { position: relative; z-index: 2; }
.hero-title {
  font: 600 clamp(4.5rem, 13vw, 12rem)/.78 "Space Grotesk", sans-serif;
  letter-spacing: -.09em;
  text-transform: uppercase;
}
.title-line { display: block; }
.title-line-left { animation: slideInLeft 1.1s cubic-bezier(.22,1,.36,1) both; }
.title-line-right {
  margin-left: clamp(30px, 16vw, 250px);
  color: var(--accent);
  animation: slideInRight 1.1s .12s cubic-bezier(.22,1,.36,1) both;
}
@keyframes slideInLeft { from { opacity: 0; transform: translateX(-120px); } to { opacity: 1; transform: translateX(0); } }
@keyframes slideInRight { from { opacity: 0; transform: translateX(120px); } to { opacity: 1; transform: translateX(0); } }

.hero-bottom {
  position: relative;
  z-index: 2;
  display: flex;
  justify-content: space-between;
  gap: 40px;
  margin-top: clamp(55px, 8vw, 110px);
}
.hero-intro { max-width: 570px; font-size: clamp(1rem, 1.5vw, 1.3rem); }
.hero-meta { display: grid; gap: 4px; text-align: right; font: 400 .72rem "DM Mono", monospace; text-transform: uppercase; }
.scroll-indicator {
  position: absolute;
  right: var(--page-padding);
  bottom: 28px;
  display: flex;
  align-items: center;
  gap: 16px;
  font: 500 .7rem "DM Mono", monospace;
  text-transform: uppercase;
  letter-spacing: .1em;
}
.scroll-line { display: block; width: 70px; height: 1px; background: var(--text); animation: pulseLine 1.8s ease-in-out infinite; transform-origin: left; }
@keyframes pulseLine { 0%,100% { transform: scaleX(.3); } 50% { transform: scaleX(1); } }

.marquee { overflow: hidden; padding: 22px 0; background: var(--accent); border-block: 1px solid var(--text); }
.marquee-track {
  display: flex;
  width: max-content;
  align-items: center;
  gap: 30px;
  font: 600 clamp(2.2rem, 5vw, 5rem)/1 "Space Grotesk", sans-serif;
  letter-spacing: -.05em;
  animation: marquee 24s linear infinite;
}
.marquee-track i { font-size: .35em; font-style: normal; }
@keyframes marquee { to { transform: translateX(-50%); } }

.section { padding: var(--section-spacing) var(--page-padding); }
.overview {
  display: grid;
  grid-template-columns: .35fr 1fr 1fr;
  gap: clamp(30px, 5vw, 90px);
  border-bottom: 1px solid var(--border);
}
.section-number { font: 400 clamp(3rem, 6vw, 6rem)/1 "Space Grotesk", sans-serif; color: var(--accent); }
.overview-heading h2, .maps-intro h2 {
  margin-top: 18px;
  font: 500 clamp(2.5rem, 5vw, 5.5rem)/.95 "Space Grotesk", sans-serif;
  letter-spacing: -.065em;
}
.overview-content { padding-top: 35px; color: var(--muted); }
.overview-content .lead { margin-bottom: 28px; color: var(--text); font-size: 1.2rem; }

.image-story {
  display: grid;
  grid-template-columns: 1.8fr .5fr;
  gap: 25px;
  align-items: end;
}
.image-frame img { width: 100%; height: min(68vw, 760px); object-fit: cover; filter: saturate(.75) contrast(1.05); }
.image-frame figcaption { display: flex; justify-content: space-between; margin-top: 10px; color: var(--muted); font: 400 .68rem "DM Mono", monospace; text-transform: uppercase; }
.image-note { padding: 24px; border-top: 1px solid var(--text); }
.note-index { display: block; margin-bottom: 45px; color: var(--accent); font: 500 2rem "Space Grotesk", sans-serif; }

.maps-intro { display: grid; grid-template-columns: .35fr 1fr; gap: 60px; }
.maps-intro-copy { max-width: 900px; }

.map-list { border-top: 1px solid var(--border); }
.map-card {
  display: grid;
  grid-template-columns: minmax(260px,.7fr) minmax(0,1.7fr);
  gap: clamp(35px, 6vw, 100px);
  align-items: center;
  min-height: 760px;
  padding: var(--section-spacing) var(--page-padding);
  border-bottom: 1px solid var(--border);
}
.map-card-reverse { grid-template-columns: minmax(0,1.7fr) minmax(260px,.7fr); }
.map-card-reverse .map-copy { order: 2; }
.map-card-reverse .map-frame { order: 1; }
.map-index { display: block; margin-bottom: 55px; color: var(--accent); font: 500 clamp(2.8rem,6vw,6rem)/1 "Space Grotesk", sans-serif; letter-spacing: -.07em; }
.map-copy h3 { margin: 12px 0 28px; font: 500 clamp(2.5rem,5vw,5.2rem)/.95 "Space Grotesk", sans-serif; letter-spacing: -.065em; }
.map-copy > p:not(.map-kicker) { max-width: 440px; color: var(--muted); }
.map-link {
  display: inline-flex;
  align-items: center;
  gap: 28px;
  margin-top: 42px;
  padding: 13px 17px;
  border: 1px solid var(--text);
  font: 500 .72rem "DM Mono", monospace;
  text-transform: uppercase;
  transition: .2s ease;
}
.map-link:hover { background: var(--text); color: var(--background); transform: translateY(-3px); }
.map-frame { position: relative; min-width: 0; padding: 10px; background: var(--surface); box-shadow: 0 28px 70px rgba(23,23,20,.12); }
.map-frame::before { content: ""; position: absolute; top: -16px; left: -16px; z-index: -1; width: 62%; height: 58%; border: 1px solid var(--accent); }
.map-frame iframe { display: block; width: 100%; height: clamp(500px,62vw,700px); border: 0; }

.closing { background: var(--dark); color: var(--background); }
.closing-text { max-width: 1100px; margin-top: 35px; font: 500 clamp(3rem,7vw,7rem)/.95 "Space Grotesk", sans-serif; letter-spacing: -.07em; }
.site-footer {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 35px;
  align-items: end;
  padding: 55px var(--page-padding);
  background: var(--dark);
  color: #aaa89f;
  border-top: 1px solid #33332f;
  font-size: .8rem;
}
.footer-year { font: 500 2.4rem "Space Grotesk", sans-serif; color: var(--accent); }
.logo { width: 180px; max-height: 70px; object-fit: contain; filter: grayscale(1) brightness(2); }

.reveal { opacity: 0; transform: translateY(65px); transition: opacity .8s ease, transform .8s cubic-bezier(.22,1,.36,1); }
.reveal.visible { opacity: 1; transform: translateY(0); }

.cursor-glow {
  position: fixed;
  z-index: 999;
  width: 280px;
  height: 280px;
  border-radius: 50%;
  pointer-events: none;
  background: radial-gradient(circle, rgba(255,79,46,.13), transparent 68%);
  transform: translate(-50%,-50%);
}

@media (max-width: 900px) {
  .navigation { display: none; }
  .hero-bottom { flex-direction: column; }
  .hero-meta { text-align: left; }
  .scroll-indicator { display: none; }
  .overview { grid-template-columns: 1fr; }
  .image-story { grid-template-columns: 1fr; }
  .maps-intro { grid-template-columns: 1fr; }
  .map-card, .map-card-reverse { grid-template-columns: 1fr; min-height: auto; }
  .map-card-reverse .map-copy, .map-card-reverse .map-frame { order: initial; }
  .site-footer { grid-template-columns: 1fr 1fr; }
  .logo { display: none; }
}

@media (max-width: 600px) {
  :root { --page-padding: 18px; --section-spacing: 85px; }
  .hero { min-height: 90vh; padding-top: 110px; }
  .hero-title { font-size: clamp(3.6rem, 20vw, 6rem); }
  .title-line-right { margin-left: 18px; }
  .hero-grid { background-size: 45px 45px; }
  .image-frame img { height: 480px; }
  .map-frame { padding: 6px; }
  .map-frame iframe { height: 470px; }
  .site-footer { grid-template-columns: 1fr; }
  .cursor-glow { display: none; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
  .reveal { opacity: 1; transform: none; }
}

/* Show the full conclusion diagram without cutting it */
.image-frame img {
  width: 100%;
  height: auto;
  object-fit: contain;
}

/* =========================================================
   INTERACTIVE CONCLUSION
   Uses the existing site palette, type and spacing variables.
   ========================================================= */

.concept-conclusion,
.concept-conclusion * {
  box-sizing: border-box;
}

.concept-conclusion {
  position: relative;
  overflow: hidden;
  padding: var(--section-spacing) var(--page-padding);
  border-top: 1px solid var(--border);
  background:
    linear-gradient(rgba(23,23,20,.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(23,23,20,.045) 1px, transparent 1px),
    var(--background);
  background-size: 70px 70px;
}

.concept-heading-grid {
  display: grid;
  grid-template-columns: .35fr 1fr;
  gap: 60px;
  width: min(1180px, 100%);
  margin: 0 auto 70px;
}

.concept-heading {
  max-width: 900px;
}

.concept-heading h2 {
  margin-top: 18px;
  font: 500 clamp(2.5rem, 5vw, 5.5rem)/.95 "Space Grotesk", sans-serif;
  letter-spacing: -.065em;
}

.concept-heading > p:last-child {
  max-width: 700px;
  margin-top: 28px;
  color: var(--muted);
  font-size: clamp(1rem, 1.35vw, 1.18rem);
}

.concept-network {
  position: relative;
  width: min(1180px, 100%);
  height: 760px;
  margin: 0 auto;
  border: 1px solid var(--border);
  background: rgba(255,255,255,.72);
  box-shadow: 0 28px 70px rgba(23,23,20,.11);
}

.concept-network::before {
  content: "";
  position: absolute;
  top: -16px;
  left: -16px;
  z-index: -1;
  width: 42%;
  height: 45%;
  border: 1px solid var(--accent);
}

.concept-network::after {
  content: "SELECT A POINT";
  position: absolute;
  right: 18px;
  bottom: 14px;
  color: var(--muted);
  font: 500 .65rem "DM Mono", monospace;
  letter-spacing: .13em;
}

.concept-lines {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
}

.concept-line {
  stroke: rgba(255,79,46,.34);
  stroke-width: 1.4;
  stroke-dasharray: 8 11;
  transition: stroke .25s ease, stroke-width .25s ease;
  animation: conceptLineTravel 9s linear infinite;
}

.concept-line.is-active {
  stroke: var(--accent);
  stroke-width: 2.4;
}

.concept-map-centre {
  position: absolute;
  top: 50%;
  left: 50%;
  z-index: 2;
  width: 390px;
  height: 390px;
  transform: translate(-50%, -50%);
}

.concept-map-orbit {
  position: absolute;
  inset: -25px;
  border: 1px solid rgba(255,79,46,.34);
  border-radius: 50%;
  animation: conceptOrbit 28s linear infinite;
}

.concept-map-orbit::before,
.concept-map-orbit::after {
  content: "";
  position: absolute;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 7px rgba(255,79,46,.12);
}

.concept-map-orbit::before {
  top: 48px;
  right: 55px;
}

.concept-map-orbit::after {
  bottom: 38px;
  left: 66px;
}

.concept-map-shell {
  position: relative;
  width: 100%;
  height: 100%;
  overflow: hidden;
  border: 1px solid var(--text);
  border-radius: 50%;
  background: var(--surface);
  box-shadow:
    0 0 0 13px rgba(255,255,255,.78),
    0 0 0 14px var(--border),
    0 25px 60px rgba(23,23,20,.18);
  animation: conceptMapFloat 6s ease-in-out infinite;
}

.concept-map-shell::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle, transparent 48%, rgba(23,23,20,.47) 100%),
    linear-gradient(to bottom, transparent 45%, rgba(23,23,20,.42));
  pointer-events: none;
}

.concept-map-shell > img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transform: scale(1.12);
  filter: saturate(.78) contrast(1.07);
}

.concept-map-label {
  position: absolute;
  left: 50%;
  bottom: 40px;
  z-index: 3;
  width: 78%;
  transform: translateX(-50%);
  color: white;
  text-align: center;
  text-shadow: 0 2px 12px rgba(0,0,0,.75);
}

.concept-map-label span {
  display: block;
  font: 500 .68rem "DM Mono", monospace;
  letter-spacing: .14em;
  text-transform: uppercase;
}

.concept-map-label strong {
  display: block;
  margin-top: 5px;
  font: 600 1.14rem "Space Grotesk", sans-serif;
}

.concept-map-pin {
  position: absolute;
  z-index: 4;
  display: grid;
  width: 24px;
  height: 24px;
  place-items: center;
  border: 2px solid white;
  border-radius: 50% 50% 50% 0;
  background: var(--accent);
  color: white;
  font: 500 .62rem "DM Mono", monospace;
  box-shadow: 0 5px 16px rgba(23,23,20,.3);
  transform: rotate(-45deg);
  transition: transform .25s ease, box-shadow .25s ease;
}

.concept-map-pin::after {
  content: attr(data-pin);
  transform: rotate(45deg);
}

.concept-map-pin.is-active {
  transform: rotate(-45deg) scale(1.35);
  box-shadow:
    0 0 0 8px rgba(255,79,46,.18),
    0 5px 16px rgba(23,23,20,.3);
}

.pin-1 { top: 35%; left: 57%; }
.pin-2 { top: 46%; left: 54%; }
.pin-3 { top: 36%; left: 82%; }
.pin-4 { top: 26%; left: 72%; }
.pin-5 { top: 56%; left: 20%; }
.pin-6 { top: 38%; left: 42%; }
.pin-7 { top: 61%; left: 39%; }

.concept-node {
  position: absolute;
  z-index: 3;
  width: 150px;
  padding: 0;
  border: 0;
  background: transparent;
  color: var(--text);
  font: inherit;
  cursor: pointer;
  opacity: 0;
  transform: translateY(30px) scale(.92);
  transition: opacity .7s ease, transform .7s ease;
}

.concept-network.visible .concept-node,
.concept-network.is-visible .concept-node {
  opacity: 1;
  transform: translateY(0) scale(1);
}

.concept-node-1 { top: 9px; left: calc(50% - 75px); }
.concept-node-2 { top: 80px; right: 72px; }
.concept-node-3 { top: 305px; right: 3px; }
.concept-node-4 { right: 105px; bottom: 12px; }
.concept-node-5 { bottom: 12px; left: 105px; }
.concept-node-6 { top: 305px; left: 3px; }
.concept-node-7 { top: 80px; left: 72px; }

.concept-node-image {
  position: relative;
  display: block;
  width: 112px;
  height: 112px;
  margin: 0 auto;
  overflow: hidden;
  border: 1px solid var(--text);
  border-radius: 50%;
  background: var(--surface);
  box-shadow:
    0 0 0 7px rgba(255,255,255,.9),
    0 0 0 8px var(--border),
    0 13px 30px rgba(23,23,20,.14);
  transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
}

.concept-node-image::after {
  content: "";
  position: absolute;
  inset: 0;
  background: rgba(241,240,235,.16);
  transition: background .25s ease;
}

.concept-node-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(.78) contrast(1.04);
  transition: transform .45s ease, filter .25s ease;
}

.concept-node-number {
  position: absolute;
  top: -4px;
  right: 8px;
  z-index: 3;
  display: grid;
  width: 32px;
  height: 32px;
  place-items: center;
  border: 1px solid var(--text);
  border-radius: 50%;
  background: var(--accent);
  color: white;
  font: 500 .68rem "DM Mono", monospace;
  box-shadow: 0 5px 15px rgba(23,23,20,.17);
}

.concept-node-name {
  display: block;
  margin-top: 15px;
  font: 500 .72rem "DM Mono", monospace;
  letter-spacing: .08em;
  text-align: center;
  text-transform: uppercase;
}

.concept-node:hover .concept-node-image,
.concept-node:focus-visible .concept-node-image,
.concept-node.is-active .concept-node-image {
  border-color: var(--accent);
  transform: translateY(-7px) scale(1.08);
  box-shadow:
    0 0 0 7px rgba(255,255,255,.9),
    0 0 0 9px var(--accent),
    0 20px 38px rgba(23,23,20,.2);
}

.concept-node:hover .concept-node-image img,
.concept-node:focus-visible .concept-node-image img,
.concept-node.is-active .concept-node-image img {
  transform: scale(1.13);
  filter: saturate(1) contrast(1.03);
}

.concept-node:hover .concept-node-image::after,
.concept-node:focus-visible .concept-node-image::after,
.concept-node.is-active .concept-node-image::after {
  background: transparent;
}

.concept-node:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 9px;
  border-radius: 4px;
}

.concept-final {
  display: grid;
  grid-template-columns: .35fr 1fr;
  gap: 60px;
  width: min(1180px, 100%);
  margin: 65px auto 0;
  padding: 40px;
  border: 1px solid var(--text);
  background: var(--dark);
  color: var(--background);
}

.concept-final span {
  color: var(--accent);
  font: 500 .74rem "DM Mono", monospace;
  letter-spacing: .12em;
  text-transform: uppercase;
}

.concept-final p {
  max-width: 900px;
  font: 500 clamp(1.8rem, 3.8vw, 4rem)/1.03 "Space Grotesk", sans-serif;
  letter-spacing: -.055em;
}

.concept-modal {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: grid;
  visibility: hidden;
  place-items: center;
  padding: 26px;
  opacity: 0;
  transition: opacity .28s ease, visibility .28s ease;
}

.concept-modal.is-open {
  visibility: visible;
  opacity: 1;
}

.concept-modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(23,23,20,.82);
  backdrop-filter: blur(10px);
}

.concept-modal-card {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1.5fr) minmax(290px, .7fr);
  width: min(1120px, 100%);
  max-height: 88vh;
  overflow: hidden;
  border: 1px solid var(--text);
  background: var(--surface);
  box-shadow: 0 35px 90px rgba(0,0,0,.38);
  transform: translateY(22px) scale(.98);
  transition: transform .3s cubic-bezier(.22,1,.36,1);
}

.concept-modal.is-open .concept-modal-card {
  transform: translateY(0) scale(1);
}

.concept-modal-image {
  min-height: 520px;
  background: var(--background);
}

.concept-modal-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.concept-modal-copy {
  align-self: center;
  padding: 48px;
}

.concept-modal-copy > span {
  color: var(--accent);
  font: 500 .7rem "DM Mono", monospace;
  letter-spacing: .13em;
  text-transform: uppercase;
}

.concept-modal-copy h3 {
  margin: 14px 0 22px;
  font: 500 clamp(2rem, 4vw, 3.6rem)/.96 "Space Grotesk", sans-serif;
  letter-spacing: -.055em;
}

.concept-modal-copy p {
  color: var(--muted);
}

.concept-modal-close {
  position: absolute;
  top: 15px;
  right: 15px;
  z-index: 4;
  display: grid;
  width: 43px;
  height: 43px;
  place-items: center;
  padding: 0;
  border: 1px solid var(--text);
  border-radius: 50%;
  background: var(--accent);
  color: white;
  font-size: 1.8rem;
  line-height: 1;
  cursor: pointer;
}

@keyframes conceptLineTravel {
  to { stroke-dashoffset: -76; }
}

@keyframes conceptOrbit {
  to { transform: rotate(360deg); }
}

@keyframes conceptMapFloat {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-9px); }
}

@media (max-width: 930px) {
  .concept-heading-grid,
  .concept-final {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .concept-network {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 22px;
    height: auto;
    padding: 38px 22px;
  }

  .concept-lines {
    display: none;
  }

  .concept-map-centre {
    position: relative;
    top: auto;
    left: auto;
    grid-column: 1 / -1;
    width: min(380px, 78vw);
    height: min(380px, 78vw);
    margin: 0 auto 35px;
    transform: none;
  }

  .concept-node {
    position: relative;
    inset: auto;
    width: 100%;
    padding: 22px;
    border: 1px solid var(--border);
    background: var(--surface);
  }

  .concept-node-image {
    width: 145px;
    height: 145px;
  }

  .concept-modal-card {
    display: block;
    overflow-y: auto;
  }

  .concept-modal-image {
    min-height: 280px;
    height: 45vh;
  }

  .concept-modal-copy {
    padding: 32px;
  }
}

@media (max-width: 600px) {
  .concept-conclusion {
    padding-inline: var(--page-padding);
  }

  .concept-network {
    grid-template-columns: 1fr;
  }

  .concept-map-centre {
    grid-column: 1;
    width: min(320px, 78vw);
    height: min(320px, 78vw);
  }

  .concept-final {
    padding: 28px 22px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .concept-conclusion *,
  .concept-conclusion *::before,
  .concept-conclusion *::after,
  .concept-modal,
  .concept-modal * {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
  }
}

/* =========================================================
   REFERENCES
   Matches the existing cream, orange and black site system.
   ========================================================= */

.references {
  display: grid;
  grid-template-columns: .35fr minmax(260px, .75fr) minmax(0, 1.45fr);
  gap: clamp(30px, 5vw, 85px);
  border-top: 1px solid var(--border);
  background: var(--background);
}

.references-heading {
  max-width: 600px;
}

.references-heading h2 {
  margin-top: 18px;
  font: 500 clamp(2.5rem, 5vw, 5.5rem)/.95 "Space Grotesk", sans-serif;
  letter-spacing: -.065em;
}

.references-heading > p:last-child {
  margin-top: 28px;
  color: var(--muted);
  font-size: 1.06rem;
}

.references-list {
  border-top: 1px solid var(--text);
}

.reference-item {
  display: grid;
  grid-template-columns: 70px minmax(0, 1fr);
  gap: 24px;
  padding: 32px 0;
  border-bottom: 1px solid var(--border);
}

.reference-index {
  color: var(--accent);
  font: 500 1.15rem "DM Mono", monospace;
}

.reference-type {
  color: var(--muted);
  font: 500 .7rem "DM Mono", monospace;
  letter-spacing: .11em;
  text-transform: uppercase;
}

.reference-copy h3 {
  margin: 8px 0 12px;
  font: 500 clamp(1.35rem, 2.2vw, 2.15rem)/1.05 "Space Grotesk", sans-serif;
  letter-spacing: -.04em;
}

.reference-copy > p:not(.reference-type) {
  max-width: 720px;
  color: var(--muted);
}

.reference-link {
  display: inline-flex;
  align-items: center;
  gap: 20px;
  margin-top: 18px;
  padding-bottom: 3px;
  border-bottom: 1px solid var(--text);
  font: 500 .7rem "DM Mono", monospace;
  letter-spacing: .07em;
  text-transform: uppercase;
  transition: color .2s ease, border-color .2s ease, transform .2s ease;
}

.reference-link:hover {
  color: var(--accent);
  border-color: var(--accent);
  transform: translateY(-2px);
}

.references-note {
  grid-column: 3;
  color: var(--muted);
  font: 400 .68rem "DM Mono", monospace;
  letter-spacing: .06em;
  text-transform: uppercase;
}

@media (max-width: 900px) {
  .references {
    grid-template-columns: 1fr;
  }

  .references-list {
    margin-top: 10px;
  }

  .references-note {
    grid-column: 1;
  }
}

@media (max-width: 600px) {
  .reference-item {
    grid-template-columns: 46px minmax(0, 1fr);
    gap: 14px;
    padding: 26px 0;
  }
}

/* Point alignment refinement */
.concept-line {
  vector-effect: non-scaling-stroke;
}

.concept-map-pin {
  transform-origin: center;
}

@media (min-width: 931px) {
  .concept-line {
    stroke-dasharray: 7 10;
  }
}

/* Field photograph observation text */
.image-note h3 {
  margin: 12px 0 22px;
  font: 500 clamp(1.7rem, 2.7vw, 3rem)/1.02 "Space Grotesk", sans-serif;
  letter-spacing: -.05em;
}

.image-note > p:last-child {
  color: var(--muted);
  font-size: clamp(.96rem, 1.15vw, 1.08rem);
  line-height: 1.75;
}

@media (max-width: 900px) {
  .image-note {
    max-width: 720px;
  }
}