:root {
  --bg: #060809;
  --bg-soft: #0b1014;
  --panel: #0d1317;
  --panel-2: #10171b;
  --accent: #00cccc;
  --accent-bright: #18e1df;
  --text: #f2f5f5;
  --text-sub: #a2afb5;
  --text-muted: #6f7f87;
  --border: rgba(255,255,255,.09);
  --border-accent: rgba(0,204,204,.24);
  --max: 1320px;
  --font-display: "Inter Tight", Inter, system-ui, sans-serif;
  --font-body: Inter, system-ui, sans-serif;
  color-scheme: dark;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(circle at 84% 0%, rgba(0,204,204,.055), transparent 24%),
    var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  -webkit-font-smoothing: antialiased;
}

body.nav-open {
  overflow: hidden;
}

a {
  color: inherit;
}

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

button,
input {
  font: inherit;
}

.skip-link {
  position: fixed;
  left: 18px;
  top: -100px;
  z-index: 99999;
  padding: 10px 14px;
  border-radius: 7px;
  background: var(--accent);
  color: #032222;
  font-weight: 800;
  text-decoration: none;
}
.skip-link:focus {
  top: 12px;
}

.research-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  height: 74px;
  background: rgba(6,8,9,.88);
  border-bottom: 1px solid rgba(255,255,255,.075);
  backdrop-filter: blur(20px) saturate(150%);
}

.research-nav {
  width: min(var(--max), 94%);
  height: 100%;
  margin: 0 auto;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 26px;
}

.research-brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  min-width: max-content;
  text-decoration: none;
}

.research-logo {
  width: 38px;
  height: 38px;
  object-fit: contain;
}

.research-brand-copy {
  display: flex;
  flex-direction: column;
  gap: 0;
  line-height: 1;
}

.research-brand-copy strong {
  font: 700 1rem/1.05 var(--font-display);
  letter-spacing: -.025em;
}

.research-brand-copy span {
  margin-top: 4px;
  color: #708189;
  font-size: .53rem;
  font-weight: 800;
  letter-spacing: .15em;
}

.research-nav-center {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 27px;
}

.research-nav-center a {
  position: relative;
  color: #a9b4b9;
  font-size: .8rem;
  font-weight: 600;
  text-decoration: none;
  transition: color .2s ease;
}

.research-nav-center a:hover,
.research-nav-center a.active {
  color: #eef7f7;
}

.research-nav-center a.active::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -11px;
  height: 2px;
  background: var(--accent);
  border-radius: 2px;
}

.back-main {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 40px;
  padding: 0 15px;
  border: 1px solid var(--border-accent);
  border-radius: 7px;
  background: rgba(0,204,204,.055);
  color: #dffbfa;
  font-size: .78rem;
  font-weight: 700;
  text-decoration: none;
  transition: background .2s ease, border-color .2s ease, transform .2s ease;
}

.back-main:hover {
  background: rgba(0,204,204,.11);
  border-color: rgba(0,204,204,.40);
  transform: translateY(-1px);
}

.research-menu-button {
  display: none;
  width: 40px;
  height: 40px;
  border: 1px solid var(--border);
  border-radius: 7px;
  background: rgba(255,255,255,.025);
  color: var(--text);
  cursor: pointer;
}

.research-mobile-overlay,
.research-mobile-nav {
  display: none;
}

.research-main {
  overflow: hidden;
}

.research-hero {
  position: relative;
  padding: clamp(92px, 10vw, 142px) 0 clamp(72px, 8vw, 108px);
  border-bottom: 1px solid rgba(255,255,255,.06);
}

.research-hero::after {
  content: "";
  position: absolute;
  top: -220px;
  right: -180px;
  width: 620px;
  height: 620px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(0,204,204,.08), transparent 65%);
  pointer-events: none;
}

.container {
  width: min(var(--max), 92%);
  margin: 0 auto;
}

.eyebrow {
  display: flex;
  align-items: center;
  gap: 9px;
  margin-bottom: 19px;
  color: #7bd8d3;
  font-size: .67rem;
  font-weight: 800;
  letter-spacing: .14em;
  text-transform: uppercase;
}

.eyebrow::before {
  content: "";
  width: 25px;
  height: 1px;
  background: var(--accent);
}

.research-hero h1 {
  max-width: 900px;
  margin: 0;
  font: 650 clamp(3rem, 7vw, 6.3rem)/.94 var(--font-display);
  letter-spacing: -.055em;
}

.research-hero h1 em {
  color: var(--accent);
  font-style: normal;
}

.research-hero-copy {
  max-width: 760px;
  margin: 28px 0 0;
  color: var(--text-sub);
  font-size: clamp(1rem, 1.5vw, 1.17rem);
  line-height: 1.72;
}

.topic-line {
  display: flex;
  flex-wrap: wrap;
  gap: 9px 18px;
  margin-top: 30px;
  color: #75848b;
  font-size: .74rem;
  font-weight: 650;
}

.topic-line span:not(:last-child)::after {
  content: "•";
  margin-left: 18px;
  color: rgba(0,204,204,.55);
}

.search-shell {
  position: relative;
  z-index: 2;
  max-width: 830px;
  margin-top: 42px;
}

.search-box {
  display: grid;
  grid-template-columns: auto 1fr auto auto;
  align-items: center;
  min-height: 62px;
  gap: 12px;
  padding: 0 15px 0 19px;
  border: 1px solid rgba(255,255,255,.12);
  border-radius: 10px;
  background: rgba(13,19,23,.86);
  box-shadow: 0 18px 50px rgba(0,0,0,.24);
}

.search-box:focus-within {
  border-color: rgba(0,204,204,.42);
  box-shadow: 0 0 0 3px rgba(0,204,204,.07), 0 18px 50px rgba(0,0,0,.24);
}

.search-box > i {
  color: var(--accent);
}

.search-box input {
  width: 100%;
  height: 60px;
  border: 0;
  outline: 0;
  background: transparent;
  color: var(--text);
  font-size: .98rem;
}

.search-box input::placeholder {
  color: #64737a;
}

.search-clear {
  min-height: 34px;
  padding: 0 10px;
  border: 0;
  border-radius: 6px;
  background: rgba(255,255,255,.04);
  color: #9eaaaf;
  cursor: pointer;
}

.search-shortcut {
  padding: 4px 7px;
  border: 1px solid rgba(255,255,255,.09);
  border-radius: 5px;
  color: #66757c;
  font-size: .67rem;
}

.search-helper {
  margin: 10px 0 0 2px;
  color: #5f6d74;
  font-size: .7rem;
}

.featured-section,
.library-section,
.topics-section,
.about-research {
  padding: clamp(72px, 8vw, 108px) 0;
}

.section-heading-row {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 30px;
}

.section-label {
  margin-bottom: 9px;
  color: var(--accent);
  font-size: .65rem;
  font-weight: 800;
  letter-spacing: .14em;
  text-transform: uppercase;
}

.section-heading-row h2,
.topics-section h2,
.about-research h2 {
  margin: 0;
  font: 600 clamp(2rem, 4vw, 3.55rem)/1 var(--font-display);
  letter-spacing: -.045em;
}

.section-caption {
  max-width: 540px;
  color: #718087;
  font-size: .82rem;
  line-height: 1.6;
}

.featured-card {
  display: grid;
  grid-template-columns: 1.02fr .98fr;
  min-height: 520px;
  overflow: hidden;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--panel);
  text-decoration: none;
  transition: border-color .25s ease, transform .25s ease;
}

.featured-card:hover {
  border-color: rgba(0,204,204,.25);
  transform: translateY(-2px);
}

.featured-content {
  display: flex;
  flex-direction: column;
  padding: clamp(34px, 5vw, 66px);
}

.featured-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 9px 18px;
  color: #77868d;
  font-size: .7rem;
  font-weight: 700;
}

.featured-meta strong {
  color: #80ded8;
}

.featured-content h3 {
  max-width: 650px;
  margin: auto 0 17px;
  font: 620 clamp(2.15rem, 4vw, 4.2rem)/1.02 var(--font-display);
  letter-spacing: -.045em;
}

.featured-content p {
  max-width: 610px;
  margin: 0 0 27px;
  color: var(--text-sub);
  font-size: .94rem;
  line-height: 1.68;
}

.featured-read {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: #e8f9f8;
  font-size: .8rem;
  font-weight: 750;
}

.featured-image {
  position: relative;
  min-height: 420px;
}

.featured-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(.78) contrast(1.03) brightness(.8);
}

.featured-image::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, var(--panel) 0%, transparent 22%),
    linear-gradient(180deg, transparent 65%, rgba(6,8,9,.28));
}

.library-section {
  border-top: 1px solid rgba(255,255,255,.055);
  background: #080b0d;
}

.library-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 28px;
}

.filters {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.filter-button {
  min-height: 36px;
  padding: 0 13px;
  border: 1px solid rgba(255,255,255,.085);
  border-radius: 7px;
  background: rgba(255,255,255,.018);
  color: #8e9ca2;
  font-size: .71rem;
  font-weight: 700;
  cursor: pointer;
  transition: color .2s ease, border-color .2s ease, background .2s ease;
}

.filter-button:hover,
.filter-button.active {
  color: #e7f8f7;
  border-color: rgba(0,204,204,.25);
  background: rgba(0,204,204,.055);
}

.result-count {
  color: #67767d;
  font-size: .72rem;
  font-weight: 700;
  white-space: nowrap;
}

.article-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0,1fr));
  gap: 17px;
}

.article-card {
  min-width: 0;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  border: 1px solid rgba(255,255,255,.075);
  border-radius: 10px;
  background: rgba(13,19,23,.72);
  color: inherit;
  text-decoration: none;
  transition: transform .24s ease, border-color .24s ease, background .24s ease;
}

a.article-card:hover {
  transform: translateY(-3px);
  border-color: rgba(0,204,204,.23);
  background: rgba(14,21,25,.94);
}

.article-card.is-upcoming {
  opacity: .86;
}

.article-image-wrap {
  position: relative;
  height: 190px;
  overflow: hidden;
  background: var(--panel-2);
}

.article-image-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(.66) brightness(.69);
  transition: transform .45s ease;
}

a.article-card:hover .article-image-wrap img {
  transform: scale(1.025);
}

.article-image-wrap::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 55%, rgba(6,8,9,.55));
}

.article-type {
  position: absolute;
  z-index: 2;
  left: 15px;
  top: 15px;
  padding: 5px 8px;
  border: 1px solid rgba(0,204,204,.20);
  border-radius: 5px;
  background: rgba(6,8,9,.76);
  color: #91dfda;
  font-size: .62rem;
  font-weight: 800;
  letter-spacing: .06em;
  text-transform: uppercase;
}

.article-card-body {
  flex: 1;
  display: flex;
  flex-direction: column;
  padding: 21px 20px 18px;
}

.article-meta {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  color: #67767d;
  font-size: .64rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .035em;
}

.article-card h3 {
  margin: 24px 0 10px;
  font: 600 1.28rem/1.18 var(--font-display);
  letter-spacing: -.025em;
}

.article-card p {
  margin: 0 0 28px;
  color: #87959b;
  font-size: .78rem;
  line-height: 1.6;
}

.article-card-footer {
  margin-top: auto;
  padding-top: 16px;
  border-top: 1px solid rgba(255,255,255,.06);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  color: #66757c;
  font-size: .68rem;
  font-weight: 700;
}

.article-action {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: #aee7e3;
}

.article-action.is-muted {
  color: #6c797f;
}

.empty-state {
  padding: 56px 20px;
  text-align: center;
  border: 1px dashed rgba(255,255,255,.10);
  border-radius: 10px;
  color: #819097;
}

.empty-state i {
  display: block;
  margin-bottom: 14px;
  color: var(--accent);
  font-size: 1.3rem;
}

.topics-section {
  border-top: 1px solid rgba(255,255,255,.055);
}

.topic-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0,1fr));
  gap: 10px;
  margin-top: 32px;
}

.topic-card {
  min-height: 130px;
  padding: 18px;
  border: 1px solid rgba(255,255,255,.07);
  border-radius: 9px;
  background: rgba(255,255,255,.017);
}

.topic-card i {
  color: var(--accent);
  font-size: .95rem;
}

.topic-card strong {
  display: block;
  margin-top: 24px;
  font: 600 .95rem/1.2 var(--font-display);
}

.topic-card span {
  display: block;
  margin-top: 5px;
  color: #69787f;
  font-size: .68rem;
}

.about-research {
  background:
    radial-gradient(circle at 8% 100%, rgba(0,204,204,.055), transparent 25%),
    #080b0d;
  border-top: 1px solid rgba(255,255,255,.055);
}

.about-grid {
  display: grid;
  grid-template-columns: .9fr 1.1fr;
  gap: clamp(48px, 8vw, 120px);
}

.about-copy p {
  margin: 0 0 18px;
  color: #98a5aa;
  line-height: 1.72;
  font-size: .9rem;
}

.editorial-principles {
  display: grid;
  gap: 1px;
  border-top: 1px solid rgba(255,255,255,.07);
}

.editorial-principle {
  display: grid;
  grid-template-columns: 38px 1fr;
  gap: 13px;
  padding: 18px 0;
  border-bottom: 1px solid rgba(255,255,255,.07);
}

.editorial-principle span {
  color: #526169;
  font-size: .7rem;
  font-weight: 800;
}

.editorial-principle strong {
  display: block;
  margin-bottom: 4px;
  font-size: .84rem;
}

.editorial-principle p {
  margin: 0;
  color: #718087;
  font-size: .74rem;
  line-height: 1.55;
}

.research-footer {
  padding: 38px 0 24px;
  border-top: 1px solid rgba(255,255,255,.075);
  background: #050708;
}

.footer-main {
  width: min(var(--max), 92%);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.footer-main p {
  margin: 0;
  color: #68767c;
  font-size: .72rem;
}

.footer-links {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 18px;
}

.footer-links a {
  color: #87959a;
  font-size: .72rem;
  font-weight: 650;
  text-decoration: none;
}

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

@media (max-width: 1050px) {
  .research-nav-center {
    display: none;
  }

  .research-nav {
    grid-template-columns: 1fr auto auto;
  }

  .research-menu-button {
    display: grid;
    place-items: center;
  }

  .research-mobile-overlay {
    display: block;
    position: fixed;
    inset: 0;
    z-index: 1090;
    background: rgba(0,0,0,.58);
    opacity: 0;
    pointer-events: none;
    transition: opacity .25s ease;
  }

  .research-mobile-overlay.open {
    opacity: 1;
    pointer-events: auto;
  }

  .research-mobile-nav {
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0;
    right: 0;
    bottom: 0;
    z-index: 1100;
    width: min(340px, 88vw);
    padding: 18px;
    background: #0a0f12;
    border-left: 1px solid var(--border);
    transform: translateX(100%);
    transition: transform .28s ease;
  }

  .research-mobile-nav.open {
    transform: translateX(0);
  }

  .mobile-nav-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-bottom: 18px;
    border-bottom: 1px solid var(--border);
  }

  .mobile-nav-head strong {
    font: 650 1rem/1 var(--font-display);
  }

  .mobile-nav-head button {
    width: 38px;
    height: 38px;
    border: 1px solid var(--border);
    border-radius: 7px;
    background: rgba(255,255,255,.02);
    color: var(--text);
  }

  .mobile-nav-links {
    display: grid;
    gap: 4px;
    padding-top: 15px;
  }

  .mobile-nav-links a {
    padding: 12px 10px;
    border-radius: 7px;
    color: #a0adb2;
    font-size: .84rem;
    font-weight: 650;
    text-decoration: none;
  }

  .mobile-nav-links a:hover {
    background: rgba(0,204,204,.055);
    color: #e9fafa;
  }

  .mobile-back {
    margin-top: auto;
  }

  .mobile-back .back-main {
    width: 100%;
    justify-content: center;
    min-height: 46px;
  }

  .article-grid {
    grid-template-columns: repeat(2, minmax(0,1fr));
  }

  .topic-grid {
    grid-template-columns: repeat(3, minmax(0,1fr));
  }

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

@media (max-width: 760px) {
  .research-header {
    height: 66px;
  }

  .research-nav {
    width: 92%;
    gap: 9px;
  }

  .research-logo {
    width: 34px;
    height: 34px;
  }

  .research-brand-copy span {
    display: none;
  }

  .back-main.desktop-back {
    display: none;
  }

  .research-hero {
    padding-top: 74px;
  }

  .research-hero h1 {
    font-size: clamp(2.75rem, 15vw, 4.6rem);
  }

  .topic-line {
    display: none;
  }

  .search-box {
    grid-template-columns: auto 1fr auto;
  }

  .search-shortcut {
    display: none;
  }

  .section-heading-row {
    align-items: flex-start;
    flex-direction: column;
  }

  .featured-card {
    grid-template-columns: 1fr;
    min-height: 0;
  }

  .featured-content {
    min-height: 410px;
    order: 2;
  }

  .featured-image {
    min-height: 310px;
  }

  .featured-image::after {
    background: linear-gradient(180deg, transparent 55%, var(--panel) 100%);
  }

  .library-toolbar {
    align-items: flex-start;
    flex-direction: column;
  }

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

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

  .footer-main {
    align-items: flex-start;
    flex-direction: column;
  }
}

@media (max-width: 460px) {
  .topic-grid {
    grid-template-columns: 1fr;
  }

  .featured-content {
    padding: 28px 22px;
  }

  .research-hero-copy {
    font-size: .94rem;
  }
}


/* =========================================================
   GLOBAL SITE WIDTH
   ========================================================= */

.container,
.nav-wrap,
.footer-container,
.footer-main {
  width: min(1400px, calc(100% - 48px)) !important;
  max-width: 1400px !important;
  margin-left: auto !important;
  margin-right: auto !important;
}

/* Mobile */
@media (max-width: 700px) {
  .container,
  .nav-wrap,
  .footer-container,
  .footer-main {
    width: 100% !important;
    max-width: 100% !important;

    padding-left: 18px !important;
    padding-right: 18px !important;
  }
}