:root {
  --navy: #111e42;
  --navy-deep: #0b1530;
  --white: #ffffff;
  --blue: #78bde4;
  --blue-soft: rgba(120, 189, 228, 0.14);
  --text-dim: rgba(255, 255, 255, 0.78);
  --header-h: 72px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-padding-top: calc(var(--header-h) + 12px);
}

@media (prefers-reduced-motion: no-preference) {
  html {
    scroll-behavior: smooth;
  }
}

body {
  margin: 0;
  min-height: 100vh;
  font-family:
    "Manrope",
    "Avenir Next",
    "Helvetica Neue",
    Helvetica,
    Arial,
    sans-serif;
  background: var(--navy);
  color: var(--white);
  overflow-x: hidden;
}

/* ---------- Accessibility helpers ---------- */

.skip-link {
  position: absolute;
  left: 16px;
  top: -60px;
  z-index: 100;
  padding: 10px 18px;
  border-radius: 8px;
  background: var(--white);
  color: var(--navy);
  font-weight: 600;
  text-decoration: none;
  transition: top 0.15s ease;
}

.skip-link:focus {
  top: 16px;
}

a:focus-visible,
button:focus-visible {
  outline: 3px solid var(--blue);
  outline-offset: 3px;
  border-radius: 6px;
}

/* ---------- Header / navigation ---------- */

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 50;
  height: var(--header-h);
  display: flex;
  align-items: center;
  transition: background 0.25s ease, box-shadow 0.25s ease;
}

.site-header.scrolled,
.site-header.menu-open {
  background: rgba(13, 22, 48, 0.92);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
  box-shadow: 0 6px 24px rgba(0, 0, 0, 0.25);
}

.nav-inner {
  width: min(1160px, 100%);
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  gap: 18px;
}

.nav-brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: var(--white);
  font-weight: 700;
  font-size: 1.02rem;
  letter-spacing: -0.01em;
  white-space: nowrap;
}

.nav-brand img {
  width: 40px;
  height: 40px;
  display: block;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-left: auto;
}

.nav-links a {
  color: var(--text-dim);
  text-decoration: none;
  font-weight: 600;
  font-size: 0.98rem;
  padding: 10px 14px;
  border-radius: 999px;
  transition: color 0.18s ease, background 0.18s ease;
}

.nav-links a:hover {
  color: var(--white);
  background: rgba(255, 255, 255, 0.08);
}

.nav-links a.active {
  color: var(--blue);
}

.nav-cta {
  margin-left: 8px;
  display: inline-flex;
  align-items: center;
  padding: 10px 22px;
  border-radius: 999px;
  background: var(--white);
  color: var(--navy) !important;
  font-weight: 700;
  text-decoration: none;
  font-size: 0.95rem;
  transition: transform 0.18s ease, box-shadow 0.18s ease;
}

.nav-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 24px rgba(0, 0, 0, 0.3);
  background: #f5f8fb !important;
  color: var(--navy);
}

.nav-toggle {
  display: none;
  margin-left: auto;
  width: 46px;
  height: 46px;
  border: 0;
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.08);
  cursor: pointer;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 5px;
}

.nav-toggle span {
  display: block;
  width: 20px;
  height: 2px;
  border-radius: 2px;
  background: var(--white);
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.menu-open .nav-toggle span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.menu-open .nav-toggle span:nth-child(2) {
  opacity: 0;
}

.menu-open .nav-toggle span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

@media (max-width: 920px) {
  .nav-toggle {
    display: inline-flex;
  }

  .nav-links {
    position: absolute;
    top: var(--header-h);
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 2px;
    padding: 10px 18px 18px;
    background: rgba(13, 22, 48, 0.97);
    -webkit-backdrop-filter: blur(10px);
    backdrop-filter: blur(10px);
    box-shadow: 0 18px 30px rgba(0, 0, 0, 0.35);
    display: none;
  }

  .menu-open .nav-links {
    display: flex;
  }

  .nav-links a {
    padding: 14px 16px;
    font-size: 1.05rem;
    border-radius: 12px;
  }

  .nav-cta {
    margin: 8px 0 0;
    justify-content: center;
    padding: 14px 22px;
  }
}

/* ---------- Hero ---------- */

.page {
  min-height: 100vh;
  min-height: 100svh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: calc(var(--header-h) + 20px) 24px 60px;
  position: relative;
  isolation: isolate;
  overflow: hidden;
  background: var(--navy);
}

.page::before {
  content: "";
  position: absolute;
  inset: -4%;
  z-index: -2;
  background:
    linear-gradient(rgba(17, 30, 66, 0.86), rgba(17, 30, 66, 0.93)),
    url("/assets/img/backdrop-1920.webp") center center / cover no-repeat,
    var(--navy);
}

@media (prefers-reduced-motion: no-preference) {
  .page::before {
    animation: bg-drift 46s ease-in-out infinite alternate;
  }

  @keyframes bg-drift {
    from {
      transform: scale(1) translateY(0);
    }
    to {
      transform: scale(1.07) translateY(-1.2%);
    }
  }
}

.page::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(
      circle at center,
      rgba(17, 30, 66, 0.02) 0%,
      rgba(17, 30, 66, 0.16) 55%,
      rgba(6, 13, 31, 0.44) 100%
    );
  pointer-events: none;
}

.page main {
  width: min(1080px, 100%);
  text-align: center;
}

.brand {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 28px;
  margin-bottom: 30px;
}

.logo {
  width: clamp(155px, 17vw, 230px);
  height: auto;
  display: block;
  filter: drop-shadow(0 10px 22px rgba(0, 0, 0, 0.16));
  transform: translate(var(--tilt-x, 0), var(--tilt-y, 0));
  transition: transform 0.35s cubic-bezier(0.22, 1, 0.36, 1);
  will-change: transform;
}

.brand-text {
  text-align: left;
  font-size: clamp(1.85rem, 2.8vw, 3rem);
  line-height: 1.13;
  letter-spacing: -0.025em;
  font-weight: 500;
  text-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
}

h1 {
  display: inline-block;
  margin: 0;
  font-size: clamp(2.85rem, 5.25vw, 4.8rem);
  line-height: 0.98;
  letter-spacing: -0.045em;
  font-weight: 800;
  text-shadow: 0 10px 24px rgba(0, 0, 0, 0.18);
}

h1 .line {
  display: block;
}

h1 .line-two {
  margin-top: 0.02em;
}

h1 .accent {
  color: var(--blue);
}

/* Hero entrance (CSS-only, works without JS) */
@media (prefers-reduced-motion: no-preference) {
  .hero-fade {
    opacity: 0;
    transform: translateY(16px);
    animation: hero-in 0.7s ease forwards;
  }

  .hero-fade.d1 { animation-delay: 0.08s; }
  .hero-fade.d2 { animation-delay: 0.2s; }
  .hero-fade.d3 { animation-delay: 0.34s; }
  .hero-fade.d4 { animation-delay: 0.46s; }

  @keyframes hero-in {
    to {
      opacity: 1;
      transform: none;
    }
  }
}

.buttons {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
  margin-top: 40px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 235px;
  min-height: 72px;
  padding: 16px 34px;
  border-radius: 999px;
  background: var(--white);
  color: var(--navy);
  text-decoration: none;
  font-size: clamp(1.15rem, 1.8vw, 1.75rem);
  line-height: 1;
  letter-spacing: -0.025em;
  font-weight: 500;
  box-shadow: 0 14px 34px rgba(0, 0, 0, 0.18);
  transition:
    transform 0.18s ease,
    box-shadow 0.18s ease,
    background 0.18s ease;
}

.button:hover {
  transform: translateY(-3px);
  box-shadow: 0 20px 46px rgba(0, 0, 0, 0.24);
  background: #f5f8fb;
}

.button.ghost {
  background: transparent;
  color: var(--white);
  border: 2px solid rgba(255, 255, 255, 0.65);
  box-shadow: none;
}

.button.ghost:hover {
  border-color: var(--white);
  background: rgba(255, 255, 255, 0.08);
}

.socials {
  margin-top: 28px;
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 22px;
}

.social {
  width: 48px;
  height: 48px;
  display: inline-grid;
  place-items: center;
  text-decoration: none;
  transition:
    transform 0.18s ease,
    opacity 0.18s ease;
  filter: drop-shadow(0 8px 18px rgba(0, 0, 0, 0.15));
}

.social:hover {
  transform: translateY(-2px);
  opacity: 0.82;
}

.social img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
}

.scroll-cue {
  position: absolute;
  left: 50%;
  bottom: 26px;
  transform: translateX(-50%);
  color: var(--text-dim);
  text-decoration: none;
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  transition: color 0.2s ease;
}

.scroll-cue:hover {
  color: var(--white);
}

.scroll-cue svg {
  width: 18px;
  height: 18px;
}

@media (prefers-reduced-motion: no-preference) {
  .scroll-cue svg {
    animation: cue-bob 1.8s ease-in-out infinite;
  }

  @keyframes cue-bob {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(5px); }
  }
}

/* ---------- Content sections ---------- */

.section {
  padding: 96px 24px;
  position: relative;
}

.section-inner {
  width: min(1080px, 100%);
  margin: 0 auto;
}

.section.alt {
  background: var(--navy-deep);
}

.section h2 {
  margin: 0 0 20px;
  font-size: clamp(2rem, 3.6vw, 3rem);
  line-height: 1.06;
  letter-spacing: -0.035em;
  font-weight: 800;
}

.section h2 .accent {
  color: var(--blue);
}

.lede {
  margin: 0;
  max-width: 46rem;
  font-size: clamp(1.08rem, 1.5vw, 1.3rem);
  line-height: 1.65;
  color: var(--text-dim);
}

.lede + .lede {
  margin-top: 18px;
}

.lede.centered {
  margin-left: auto;
  margin-right: auto;
}

/* Research cards */

.section h2.centered {
  text-align: center;
}

.research-cards {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
  margin-top: 44px;
}

@media (max-width: 900px) {
  .research-cards {
    grid-template-columns: 1fr;
    max-width: 560px;
    margin-left: auto;
    margin-right: auto;
  }
}

.research-card {
  display: block;
  text-decoration: none;
  color: inherit;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.04);
  padding: 14px;
  text-align: left;
  transition:
    transform 0.22s ease,
    border-color 0.22s ease,
    background 0.22s ease,
    box-shadow 0.22s ease;
}

.research-card:hover {
  transform: translateY(-6px);
  border-color: rgba(120, 189, 228, 0.55);
  background: rgba(120, 189, 228, 0.06);
  box-shadow: 0 22px 44px rgba(0, 0, 0, 0.3);
}

.research-card img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 12px;
}

.research-card-body {
  padding: 20px 12px 12px;
}

.research-card h3 {
  margin: 0 0 6px;
  color: var(--blue);
  font-size: 1.45rem;
  line-height: 1.15;
  letter-spacing: -0.02em;
  font-weight: 700;
}

.card-tag {
  margin: 0 0 12px;
  font-style: italic;
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--white);
}

.research-card .desc {
  margin: 0;
  color: var(--text-dim);
  line-height: 1.6;
  font-size: 0.98rem;
}

/* Research detail pages */

.research-detail {
  padding-top: calc(var(--header-h) + 48px);
  min-height: 70vh;
}

.section-inner.narrow {
  width: min(840px, 100%);
}

.back-link {
  display: inline-block;
  margin-bottom: 28px;
  color: var(--blue);
  text-decoration: none;
  font-weight: 700;
  font-size: 0.95rem;
}

.back-link:hover {
  text-decoration: underline;
}

.research-detail h1 {
  display: block;
  margin: 0 0 18px;
  font-size: clamp(2.1rem, 4.2vw, 3.3rem);
  line-height: 1.05;
  letter-spacing: -0.035em;
  font-weight: 800;
  text-shadow: none;
}

.detail-img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 16px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  margin: 32px 0;
}

.research-detail h2 {
  margin: 36px 0 12px;
  font-size: 1.5rem;
  letter-spacing: -0.02em;
}

/* Get involved */

.cta-panel {
  margin-top: 8px;
  text-align: center;
}

.cta-panel .buttons {
  margin-top: 34px;
}

.cta-panel .socials {
  margin-top: 30px;
}

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

.site-footer {
  border-top: 1px solid rgba(255, 255, 255, 0.09);
  background: var(--navy-deep);
  padding: 44px 24px 36px;
}

.footer-inner {
  width: min(1080px, 100%);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
}

.footer-brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: var(--white);
  text-decoration: none;
  font-weight: 700;
}

.footer-brand img {
  width: 34px;
  height: 34px;
}

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

.footer-links a {
  color: var(--text-dim);
  text-decoration: none;
  font-weight: 600;
  font-size: 0.92rem;
  padding: 8px 12px;
  border-radius: 999px;
  transition: color 0.18s ease, background 0.18s ease;
}

.footer-links a:hover {
  color: var(--white);
  background: rgba(255, 255, 255, 0.07);
}

.footer-note {
  width: 100%;
  margin-top: 10px;
  color: rgba(255, 255, 255, 0.5);
  font-size: 0.86rem;
  text-align: center;
}

/* ---------- Scroll reveal (enhanced when JS is available) ---------- */

html.js .reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

html.js .reveal.visible {
  opacity: 1;
  transform: none;
}

@media (prefers-reduced-motion: reduce) {
  html.js .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }
}

/* ---------- Responsive hero tweaks ---------- */

@media (max-width: 900px) {
  h1 {
    max-width: 820px;
  }
}

@media (max-width: 760px) {
  .page {
    padding: calc(var(--header-h) + 14px) 18px 64px;
  }

  .page::before {
    background:
      linear-gradient(rgba(17, 30, 66, 0.88), rgba(17, 30, 66, 0.94)),
      url("/assets/img/backdrop-960.webp") center center / cover no-repeat,
      var(--navy);
  }

  .brand {
    flex-direction: column;
    gap: 14px;
    margin-bottom: 26px;
  }

  .brand-text {
    text-align: center;
    font-size: clamp(1.7rem, 8vw, 2.35rem);
    line-height: 1.12;
    letter-spacing: -0.02em;
  }

  .logo {
    width: clamp(145px, 45vw, 190px);
  }

  h1 {
    font-size: clamp(2.5rem, 10.8vw, 4rem);
    line-height: 1;
    letter-spacing: -0.04em;
  }

  h1 .line-two {
    margin-top: 0.04em;
  }

  .buttons {
    margin-top: 32px;
    gap: 14px;
  }

  .button {
    width: min(100%, 330px);
    min-width: 0;
    min-height: 64px;
    font-size: 1.35rem;
  }

  .socials {
    margin-top: 24px;
  }

  .social {
    width: 42px;
    height: 42px;
  }

  .section {
    padding: 72px 18px;
  }
}

@media (max-width: 430px) {
  .page {
    padding-left: 16px;
    padding-right: 16px;
  }

  .brand-text {
    font-size: 1.7rem;
  }

  .logo {
    width: 145px;
  }

  h1 {
    font-size: 2.45rem;
  }

  .button {
    min-height: 60px;
    font-size: 1.22rem;
  }
}

/* ---------- Atlas ---------- */

.atlas-shell {
  display: flex;
  height: calc(100vh - var(--header-h));
  height: calc(100svh - var(--header-h));
  margin-top: var(--header-h);
}

.atlas-panel {
  width: 340px;
  flex-shrink: 0;
  overflow-y: auto;
  background: var(--navy-deep);
  border-right: 1px solid rgba(255, 255, 255, 0.09);
  padding: 26px 24px 34px;
}

.atlas-panel h1 {
  display: block;
  font-size: 1.45rem;
  line-height: 1.2;
  letter-spacing: -0.02em;
  margin: 4px 0 8px;
  text-shadow: none;
}

.atlas-subtitle {
  margin: 0 0 8px;
  color: var(--text-dim);
  font-size: 0.95rem;
  line-height: 1.55;
}

.atlas-panel-label {
  margin: 22px 0 6px;
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.55);
}

.layer-row {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 10px;
  margin: 0 -10px;
  border-radius: 10px;
  cursor: pointer;
  user-select: none;
}

.layer-row:hover {
  background: rgba(255, 255, 255, 0.06);
}

.layer-row input {
  accent-color: var(--blue);
  width: 16px;
  height: 16px;
  cursor: pointer;
}

.layer-swatch {
  width: 14px;
  height: 14px;
  border-radius: 4px;
  flex-shrink: 0;
  border: 1px solid rgba(255, 255, 255, 0.25);
}

.layer-swatch.small {
  width: 10px;
  height: 10px;
  border-radius: 3px;
}

.layer-name {
  font-size: 0.95rem;
  font-weight: 600;
}

.layer-legend {
  margin: 2px 0 6px 36px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.layer-legend-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
  color: var(--text-dim);
  text-transform: capitalize;
}

.atlas-description {
  margin: 18px 0 0;
  color: var(--text-dim);
  font-size: 0.92rem;
  line-height: 1.6;
}

.atlas-credits {
  margin: 18px 0 0;
  padding-top: 14px;
  border-top: 1px solid rgba(255, 255, 255, 0.09);
  color: rgba(255, 255, 255, 0.5);
  font-size: 0.82rem;
  line-height: 1.5;
}

.atlas-map {
  flex: 1;
  min-height: 320px;
  background: var(--navy-deep);
  position: relative;
}

.atlas-fallback {
  padding: 24px;
  color: var(--text-dim);
}

@media (max-width: 820px) {
  .atlas-shell {
    flex-direction: column;
    height: auto;
  }

  .atlas-panel {
    width: 100%;
    max-height: 44vh;
    border-right: 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.09);
  }

  .atlas-map {
    height: 62vh;
  }
}

/* Map embedded inside a Post */
.atlas-embed {
  height: 480px;
  border-radius: 16px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  overflow: hidden;
  margin: 32px 0 10px;
}

.embed-caption {
  margin: 0 0 32px;
  color: rgba(255, 255, 255, 0.55);
  font-size: 0.86rem;
  line-height: 1.5;
}

/* MapLibre chrome, re-themed to the brand */
.maplibregl-popup-content {
  background: #16224e;
  color: var(--white);
  border-radius: 12px;
  border: 1px solid rgba(120, 189, 228, 0.4);
  box-shadow: 0 14px 34px rgba(0, 0, 0, 0.45);
  padding: 12px 16px;
  font-family: inherit;
}

.maplibregl-popup-anchor-bottom .maplibregl-popup-tip {
  border-top-color: #16224e;
}

.maplibregl-popup-anchor-top .maplibregl-popup-tip {
  border-bottom-color: #16224e;
}

.maplibregl-popup-anchor-left .maplibregl-popup-tip {
  border-right-color: #16224e;
}

.maplibregl-popup-anchor-right .maplibregl-popup-tip {
  border-left-color: #16224e;
}

.maplibregl-popup-close-button {
  color: rgba(255, 255, 255, 0.7);
  font-size: 18px;
  padding: 2px 8px;
}

.atlas-popup strong {
  display: block;
  margin-bottom: 4px;
  font-size: 1rem;
}

.atlas-popup div {
  font-size: 0.88rem;
  color: var(--text-dim);
  margin-top: 2px;
}

.atlas-popup-label {
  font-weight: 700;
  color: var(--white);
}

.maplibregl-ctrl-group {
  background: #16224e;
  border: 1px solid rgba(255, 255, 255, 0.15);
}

.maplibregl-ctrl-group button + button {
  border-top: 1px solid rgba(255, 255, 255, 0.12);
}

.maplibregl-ctrl button .maplibregl-ctrl-icon {
  filter: invert(1);
}

.maplibregl-ctrl-attrib {
  background: rgba(11, 21, 48, 0.75);
  color: rgba(255, 255, 255, 0.65);
  font-size: 11px;
}

.maplibregl-ctrl-attrib a {
  color: rgba(255, 255, 255, 0.8);
}

.maplibregl-ctrl-scale {
  background: rgba(11, 21, 48, 0.6);
  color: rgba(255, 255, 255, 0.75);
  border-color: rgba(255, 255, 255, 0.4);
}

/* ---------- Posts ---------- */

.post-article {
  width: min(760px, 100%);
  margin: 0 auto;
}

.post-meta {
  margin: 0 0 14px;
  color: var(--blue);
  font-weight: 700;
  font-size: 0.92rem;
}

.post-meta .post-date {
  color: rgba(255, 255, 255, 0.55);
  font-weight: 600;
}

.post-article h1 {
  display: block;
  margin: 0 0 20px;
  font-size: clamp(2rem, 4vw, 3rem);
  line-height: 1.08;
  letter-spacing: -0.03em;
  font-weight: 800;
  text-shadow: none;
}

.post-article .lede {
  max-width: none;
}

.post-article h2 {
  margin: 40px 0 14px;
  font-size: 1.45rem;
  letter-spacing: -0.02em;
}

.post-article p {
  color: var(--text-dim);
  line-height: 1.75;
  font-size: 1.05rem;
  margin: 0 0 20px;
}

.post-article figure {
  margin: 32px 0;
}

.post-article figure img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 16px;
  border: 1px solid rgba(255, 255, 255, 0.12);
}

.post-article figcaption {
  margin-top: 10px;
  color: rgba(255, 255, 255, 0.55);
  font-size: 0.86rem;
}

.post-article a:not(.button) {
  color: var(--blue);
}

.post-signoff {
  margin-top: 44px;
  padding-top: 22px;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  color: rgba(255, 255, 255, 0.6);
  font-size: 0.95rem;
}

/* ---------- Homepage explore band ---------- */

.explore-band {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 22px;
  margin-top: 8px;
}

@media (max-width: 760px) {
  .explore-band {
    grid-template-columns: 1fr;
  }
}

.explore-tile {
  display: block;
  text-decoration: none;
  color: inherit;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.04);
  padding: 30px 28px;
  transition:
    transform 0.22s ease,
    border-color 0.22s ease,
    background 0.22s ease,
    box-shadow 0.22s ease;
}

.explore-tile:hover {
  transform: translateY(-5px);
  border-color: rgba(120, 189, 228, 0.55);
  background: rgba(120, 189, 228, 0.06);
  box-shadow: 0 22px 44px rgba(0, 0, 0, 0.3);
}

.explore-tile h3 {
  margin: 0 0 8px;
  font-size: 1.4rem;
  letter-spacing: -0.02em;
  color: var(--blue);
}

.explore-tile p {
  margin: 0;
  color: var(--text-dim);
  line-height: 1.6;
  font-size: 0.98rem;
}

.explore-tile .go {
  display: inline-block;
  margin-top: 14px;
  font-weight: 700;
  color: var(--white);
  font-size: 0.95rem;
}

/* ---------- Error page ---------- */

.error-page main {
  text-align: center;
}

.error-code {
  font-size: clamp(5rem, 16vw, 9rem);
  font-weight: 800;
  letter-spacing: -0.05em;
  line-height: 1;
  margin: 0 0 10px;
  color: var(--blue);
}