:root {
  color-scheme: dark;
  --midnight: #071426;
  --midnight-2: #0b1d35;
  --cyan: #22d3ee;
  --cyan-soft: rgba(34, 211, 238, 0.18);
  --cloud: #f8fafc;
  --muted: #a8b7c9;
  --line: rgba(248, 250, 252, 0.14);
  --amber: #f59e0b;
  --panel: rgba(9, 28, 52, 0.78);
  --panel-solid: #0b1b30;
  --shadow: 0 24px 80px rgba(0, 0, 0, 0.35);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(circle at 82% 12%, rgba(34, 211, 238, 0.2), transparent 32rem),
    radial-gradient(circle at 12% 10%, rgba(245, 158, 11, 0.13), transparent 24rem),
    linear-gradient(180deg, #06101f 0%, var(--midnight) 44%, #050b13 100%);
  color: var(--cloud);
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    sans-serif;
  line-height: 1.6;
}

a {
  color: inherit;
  text-decoration: none;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  padding: 1rem clamp(1rem, 4vw, 4rem);
  border-bottom: 1px solid var(--line);
  background: rgba(7, 20, 38, 0.82);
  backdrop-filter: blur(18px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.8rem;
}

.brand-mark {
  display: grid;
  width: 2.75rem;
  height: 2.75rem;
  place-items: center;
  border: 1px solid rgba(34, 211, 238, 0.6);
  border-radius: 0.7rem;
  background:
    linear-gradient(135deg, rgba(34, 211, 238, 0.18), rgba(245, 158, 11, 0.12)),
    #08182b;
  color: var(--cloud);
  font-weight: 850;
  letter-spacing: 0.03em;
}

.brand strong,
.brand small {
  display: block;
}

.brand small {
  color: var(--muted);
  font-size: 0.78rem;
}

nav {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  color: var(--muted);
  font-size: 0.95rem;
}

nav a {
  border-radius: 999px;
  padding: 0.55rem 0.85rem;
}

nav a:hover,
nav a:focus-visible {
  background: rgba(248, 250, 252, 0.08);
  color: var(--cloud);
}

main {
  overflow: hidden;
}

.hero,
.latest-section,
.archive-section,
.publisher-section {
  width: min(1160px, calc(100% - 2rem));
  margin: 0 auto;
}

.hero {
  display: grid;
  min-height: calc(100vh - 5rem);
  grid-template-columns: minmax(0, 1.08fr) minmax(21rem, 0.72fr);
  align-items: center;
  gap: clamp(2rem, 6vw, 5rem);
  padding: 5rem 0;
}

.eyebrow {
  margin: 0 0 0.85rem;
  color: var(--cyan);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  max-width: 12ch;
  margin-bottom: 1.25rem;
  font-size: clamp(3rem, 8vw, 6.8rem);
  line-height: 0.92;
  letter-spacing: -0.06em;
}

h2 {
  margin-bottom: 0.8rem;
  font-size: clamp(2rem, 4vw, 3.5rem);
  line-height: 1;
  letter-spacing: -0.035em;
}

h3 {
  font-size: 1.15rem;
}

.lede {
  max-width: 43rem;
  color: #d6e2ef;
  font-size: clamp(1.05rem, 2vw, 1.28rem);
}

.subscribe-card {
  max-width: 42rem;
  margin: 2rem 0 1rem;
  padding: 1rem;
  border: 1px solid var(--line);
  border-radius: 1rem;
  background: rgba(8, 24, 43, 0.74);
  box-shadow: var(--shadow);
}

label {
  display: block;
  margin-bottom: 0.35rem;
  color: var(--muted);
  font-size: 0.9rem;
}

input {
  width: 100%;
  min-height: 3.25rem;
  border: 1px solid rgba(248, 250, 252, 0.16);
  border-radius: 0.78rem;
  padding: 0.9rem 1rem;
  background: rgba(1, 11, 22, 0.74);
  color: var(--cloud);
  font: inherit;
  outline: none;
}

input:focus {
  border-color: var(--cyan);
  box-shadow: 0 0 0 4px rgba(34, 211, 238, 0.13);
}

.field-row {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 0.7rem;
}

button {
  min-height: 3.25rem;
  border: 0;
  border-radius: 0.78rem;
  padding: 0 1.25rem;
  background: var(--cyan);
  color: #04111f;
  cursor: pointer;
  font: inherit;
  font-weight: 850;
}

button:hover,
button:focus-visible {
  filter: brightness(1.08);
}

.form-message {
  min-height: 1.5rem;
  margin: 0.75rem 0 0;
  color: var(--cyan);
  font-size: 0.95rem;
}

.trust-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  color: #dbeafe;
}

.trust-row span {
  border: 1px solid rgba(34, 211, 238, 0.24);
  border-radius: 999px;
  padding: 0.45rem 0.8rem;
  background: var(--cyan-soft);
  font-size: 0.9rem;
}

.signal-panel {
  position: relative;
  min-height: 33rem;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 1.5rem;
  padding: 2rem;
  background:
    linear-gradient(180deg, rgba(34, 211, 238, 0.08), transparent),
    var(--panel);
  box-shadow: var(--shadow);
}

.signal-panel::before {
  content: "";
  position: absolute;
  inset: auto -20% -25% -20%;
  height: 16rem;
  border-radius: 50% 50% 0 0;
  background:
    radial-gradient(circle at 50% 0%, rgba(245, 158, 11, 0.42), transparent 17%),
    radial-gradient(circle at 50% 30%, rgba(34, 211, 238, 0.34), transparent 48%),
    linear-gradient(180deg, transparent, rgba(34, 211, 238, 0.08));
}

.orbital {
  position: relative;
  height: 14rem;
  margin-bottom: 2rem;
  border-bottom: 1px solid rgba(34, 211, 238, 0.35);
}

.orbital span {
  position: absolute;
  inset: 12% auto auto 50%;
  border: 1px solid rgba(34, 211, 238, 0.26);
  border-radius: 50%;
  transform: translateX(-50%);
}

.orbital span:nth-child(1) {
  width: 9rem;
  height: 9rem;
}

.orbital span:nth-child(2) {
  width: 13rem;
  height: 13rem;
}

.orbital span:nth-child(3) {
  width: 17rem;
  height: 17rem;
}

.signal-panel h2 {
  font-size: clamp(1.8rem, 3vw, 2.65rem);
}

.signal-panel p,
.publisher-section p {
  color: var(--muted);
}

dl {
  display: grid;
  gap: 0.8rem;
  margin: 2rem 0 0;
}

dl div {
  border: 1px solid var(--line);
  border-radius: 0.9rem;
  padding: 1rem;
  background: rgba(248, 250, 252, 0.045);
}

dt {
  color: var(--muted);
  font-size: 0.82rem;
}

dd {
  margin: 0.2rem 0 0;
  color: var(--cloud);
  font-weight: 750;
}

.latest-section,
.archive-section,
.publisher-section {
  padding: 4rem 0;
}

.section-heading {
  max-width: 48rem;
  margin-bottom: 1.5rem;
}

.article-card,
.next-card {
  border: 1px solid var(--line);
  border-radius: 1.2rem;
  padding: clamp(1.25rem, 4vw, 2rem);
  background: var(--panel-solid);
  box-shadow: 0 18px 58px rgba(0, 0, 0, 0.2);
}

.article-card.featured {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(15rem, 0.42fr);
  gap: 2rem;
}

.article-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 0.85rem;
  color: var(--muted);
  font-size: 0.88rem;
}

.pill {
  border: 1px solid rgba(245, 158, 11, 0.35);
  border-radius: 999px;
  padding: 0.25rem 0.6rem;
  color: #fcd99b;
}

.article-card h3 {
  margin-bottom: 0.6rem;
  font-size: clamp(1.4rem, 3vw, 2.25rem);
  line-height: 1.1;
}

.article-card p {
  color: #cfdae8;
}

.article-card ul {
  margin: 1rem 0 0;
  padding-left: 1.1rem;
  color: #d7e5f5;
}

.source-link {
  display: inline-flex;
  margin-top: 1rem;
  color: var(--cyan);
  font-weight: 750;
}

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

.archive-grid .article-card {
  min-height: 100%;
}

.archive-grid .article-card h3 {
  font-size: 1.1rem;
}

.publisher-section {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(18rem, 0.75fr);
  gap: 2rem;
  align-items: start;
}

.next-card ol {
  margin: 1rem 0 0;
  padding-left: 1.2rem;
  color: #d6e2ef;
}

footer {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  border-top: 1px solid var(--line);
  padding: 2rem clamp(1rem, 4vw, 4rem);
  color: var(--muted);
}

footer p {
  margin: 0;
}

@media (max-width: 860px) {
  .site-header,
  footer {
    align-items: flex-start;
    flex-direction: column;
  }

  nav {
    width: 100%;
    overflow-x: auto;
  }

  .hero,
  .publisher-section,
  .article-card.featured {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
    padding: 3rem 0;
  }

  h1 {
    letter-spacing: -0.045em;
  }

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

@media (max-width: 560px) {
  .field-row {
    grid-template-columns: 1fr;
  }

  button {
    width: 100%;
  }

  .signal-panel {
    min-height: 28rem;
    padding: 1.25rem;
  }
}

/* Newsletter issue layout */
.issue-panel {
  border: 1px solid var(--line);
  border-radius: 1.25rem;
  padding: clamp(1rem, 3vw, 2rem);
  background: #edf4f8;
  color: var(--midnight);
}
.issue-date {
  color: #426175;
  font-size: 0.88rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}
.issue-scan {
  border-left: 4px solid #0891b2;
  border-radius: 0.5rem;
  background: #dff4f8;
  padding: 1.1rem 1.5rem;
  margin-bottom: 1.5rem;
}
.issue-scan h3 { margin-bottom: 0.5rem; }
.issue-scan ol { margin: 0; padding-left: 1.25rem; }
.issue-scan li + li { margin-top: 0.25rem; }
.story-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1rem; }
.story-grid .story-card:first-child { grid-column: 1 / -1; }
.story-card {
  overflow: hidden;
  border: 1px solid #d9e4eb;
  border-radius: 0.9rem;
  background: #fff;
  box-shadow: 0 8px 30px rgba(7, 20, 38, 0.07);
}
.story-image { display: block; width: 100%; max-height: 22rem; object-fit: cover; }
.story-body { padding: clamp(1.1rem, 2.5vw, 1.7rem); }
.story-body .eyebrow { color: #087e9b; }
.story-body h3 { margin-bottom: 0.8rem; color: #071426; font-size: clamp(1.2rem, 2vw, 1.8rem); line-height: 1.2; }
.story-summary { color: #334155; }
.story-takeaway { border-top: 1px solid #e4edf2; padding-top: 0.9rem; color: #1e3a4e; }
.story-body .source-link { color: #0369a1; }
.archive-list { display: grid; gap: 0.75rem; }
.archive-issue {
  border: 1px solid var(--line);
  border-radius: 0.9rem;
  background: var(--panel-solid);
  padding: 1rem 1.25rem;
}
.archive-issue summary { display: flex; flex-wrap: wrap; gap: 0.7rem; align-items: center; cursor: pointer; }
.archive-date { color: var(--cyan); font-size: 0.85rem; font-weight: 700; }
.archive-stories { margin: 1rem 0 0; padding-left: 1.3rem; color: #d6e2ef; }
.archive-stories li + li { margin-top: 0.6rem; }
.archive-stories a:hover { color: var(--cyan); text-decoration: underline; }
.archive-empty { color: #526779; }
.archive-list .archive-empty { color: var(--muted); }
.next-card ul { margin: 0.8rem 0; padding-left: 1.25rem; color: #d6e2ef; }
.next-card li + li { margin-top: 0.5rem; }
button:disabled { opacity: 0.65; cursor: wait; }
@media (max-width: 700px) {
  .story-grid { grid-template-columns: 1fr; }
  .story-grid .story-card:first-child { grid-column: auto; }
}

.issue-section-heading {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin: 2rem 0 1rem;
  border-radius: 0.55rem;
  padding: 0.85rem 1.15rem;
  background: #071426;
  color: #fff;
  font-size: 1.18rem;
}
.issue-section-heading span { color: #22d3ee; font-size: 0.82rem; letter-spacing: 0.1em; }
.resource-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1rem; }
.issue-resource { border: 1px solid #d9e4eb; border-radius: 0.9rem; background: #fff; padding: 1.35rem; }
.issue-resource h4 { color: #071426; font-size: 1.13rem; margin: 0 0 0.6rem; }
.issue-resource p { color: #334155; margin: 0 0 0.7rem; }
.issue-resource .source-link { color: #0369a1; margin-top: 0.3rem; }
.latest-link { border-bottom: 1px solid #e4edf2; padding-bottom: 0.7rem; }
.latest-link:last-child { border: 0; padding: 0; margin: 0; }
.latest-link a { display: block; color: #0369a1; font-weight: 750; }
.latest-link small { color: #526779; }
.wrap-card { border-left: 4px solid #0891b2; }
@media (max-width: 700px) { .resource-grid { grid-template-columns: 1fr; } }

.share-panel { margin-top: 1.5rem; border: 1px solid #b8dfe7; border-radius: 0.9rem; background: #dff4f8; padding: 1.35rem; }
.share-panel h3 { margin: 0 0 0.25rem; color: #071426; }
.share-panel p { margin: 0 0 1rem; color: #334155; }
.share-links, .footer-links { display: flex; flex-wrap: wrap; gap: 0.8rem; }
.share-link { display: inline-flex; align-items: center; border-radius: 0.7rem; background: #071426; color: #fff; padding: 0.65rem 0.95rem; font-weight: 750; }
.share-link:hover, .share-link:focus-visible { background: #114767; }
.footer-links a { color: var(--cyan); }
.footer-links a:hover { text-decoration: underline; }