:root {
  --navy: #061726;
  --navy2: #0b2235;
  --blue: #73c9ff;
  --blue2: #39aeea;
  --white: #f4f8fb;
  --soft: #c6d2dc;
  --muted: #91a5b3;
  --line: rgba(255,255,255,.13);
  --card: rgba(255,255,255,.055);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  color: var(--white);

  background:
    radial-gradient(
      circle at 70% 10%,
      rgba(52,145,196,.18),
      transparent 34%
    ),
    linear-gradient(
      180deg,
      #061522 0%,
      #0a2031 55%,
      #061522 100%
    );

  line-height: 1.65;
}

a {
  color: inherit;
}


/* ==================================================
   HEADER
================================================== */

header {
  border-bottom: 1px solid var(--line);
  background: rgba(4,16,27,.94);
  backdrop-filter: blur(10px);

  position: sticky;
  top: 0;
  z-index: 50;
}

.nav-wrap {
  max-width: 1200px;
  margin: auto;
  padding: 18px 28px;

  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 25px;
}

.brand {
  font-family: Georgia, "Times New Roman", serif;
  font-weight: bold;
  font-size: 29px;
  text-decoration: none;
  letter-spacing: -.5px;
}

.brand span {
  color: var(--blue);
}

nav {
  display: flex;
  gap: 30px;
  font-size: 15px;
}

nav a {
  text-decoration: none;
  color: #d5e0e8;
  padding-bottom: 6px;
}

nav a:hover,
nav a.active {
  color: var(--blue);
  border-bottom: 2px solid var(--blue);
}


/* ==================================================
   HERO IMAGE
================================================== */

.hero-art {
  width: 100%;
  background: #061522;
  border-bottom: 1px solid var(--line);
}

.hero-art img {
  width: 100%;
  height: auto;
  display: block;
}


/* ==================================================
   HOMEPAGE / ABOUT INTRO
================================================== */

.home-intro {
  max-width: 1050px;
  margin: auto;
  padding: 75px 35px 85px;
  text-align: center;
}

.eyebrow {
  color: var(--blue);
  text-transform: uppercase;
  letter-spacing: 5px;
  font-size: 12px;
  font-weight: bold;
  margin-bottom: 18px;
}

.home-intro h1 {
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(45px, 6vw, 72px);
  line-height: 1.03;

  margin: 0 auto 24px;
  max-width: 900px;
}

.home-intro h1 span {
  color: var(--blue);
}

.home-intro p {
  max-width: 780px;
  margin: 0 auto 32px;

  font-size: 20px;
  color: var(--soft);
}

.hero-actions {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 14px;
}

.button {
  display: inline-block;
  padding: 13px 24px;
  border-radius: 30px;

  text-decoration: none;

  font-size: 14px;
  font-weight: bold;
  letter-spacing: .4px;
}

.button-primary {
  background: var(--blue);
  color: #062033;
}

.button-primary:hover {
  background: #98d9ff;
}

.button-secondary {
  border: 1px solid rgba(115,201,255,.45);
  color: #dceef9;
  background: rgba(255,255,255,.03);
}

.button-secondary:hover {
  background: rgba(115,201,255,.08);
}


/* ==================================================
   GENERAL PAGE SECTIONS
================================================== */

.section {
  max-width: 1100px;
  margin: auto;
  padding: 90px 28px;
}

.section h2 {
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(36px, 4vw, 54px);
  line-height: 1.08;
  margin: 0 0 22px;
}

.section p {
  font-size: 18px;
  color: var(--soft);
}

.section strong {
  color: var(--white);
}

.lead {
  font-size: 23px !important;
  color: #e7eef4 !important;
  max-width: 880px;
}

.dark-band {
  background: rgba(0,0,0,.16);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}


/* ==================================================
   TOPIC CARDS
================================================== */

.topic-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 45px;
}

.topic-card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 12px;

  padding: 28px;
  min-height: 215px;
}

.topic-symbol {
  color: var(--blue);
  font-family: Georgia, "Times New Roman", serif;
  font-size: 30px;
  line-height: 1;
  margin-bottom: 18px;
}

.topic-card h3 {
  margin: 0 0 10px;
  font-size: 20px;
}

.topic-card p {
  font-size: 15px;
  margin: 0;
}


/* ==================================================
   TWO-COLUMN / SIGNAL SECTIONS
================================================== */

.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 70px;
  align-items: center;
}

.signal-panel {
  padding: 34px;

  border: 1px solid var(--line);
  border-radius: 15px;

  background:
    linear-gradient(
      145deg,
      rgba(115,201,255,.08),
      rgba(255,255,255,.025)
    );
}

.signal-row {
  padding: 18px 0;
  border-bottom: 1px solid var(--line);
}

.signal-row:last-child {
  border-bottom: none;
}

.signal-label {
  color: var(--blue);

  font-size: 12px;
  font-weight: bold;

  text-transform: uppercase;
  letter-spacing: 2px;
}

.signal-value {
  font-family: Georgia, "Times New Roman", serif;
  font-size: 22px;
  margin-top: 4px;
}


/* ==================================================
   HISTORY
================================================== */

.history {
  text-align: center;
  max-width: 900px;
  margin: auto;
}

.history h2 {
  font-size: clamp(40px, 5vw, 62px);
}

.history .lead {
  margin-left: auto;
  margin-right: auto;
}

.history-highlight {
  color: var(--blue);

  font-family: Georgia, "Times New Roman", serif;
  font-size: 29px;

  margin: 35px auto;
  max-width: 850px;
}


/* ==================================================
   COYOTE / MISSION SECTION
================================================== */

.coyote-section {
  text-align: center;
}

.coyote-section h2 {
  max-width: 780px;
  margin-left: auto;
  margin-right: auto;
}

.coyote-section p {
  max-width: 760px;
  margin-left: auto;
  margin-right: auto;
}

.coyote-section .lead {
  margin-left: auto;
  margin-right: auto;
}

.tagline {
  font-family: Georgia, "Times New Roman", serif;
  font-size: 30px;
  font-style: italic;

  color: var(--blue);

  margin-top: 30px;
}


/* ==================================================
   NORMAL TEXT LINKS
================================================== */

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

main a:not(.button):hover {
  color: #a6ddff;
}


/* ==================================================
   STANDARD FOOTER
================================================== */

footer {
  background: #04111c;
  border-top: 1px solid var(--line);
}

.footer-inner {
  max-width: 1150px;
  margin: auto;
  padding: 48px 28px 30px;

  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 55px;
}

.footer-brand {
  font-family: Georgia, "Times New Roman", serif;
  font-weight: bold;
  font-size: 27px;
  margin-bottom: 10px;
}

.footer-brand span {
  color: var(--blue);
}

.footer-about {
  max-width: 440px;
  color: var(--muted);
  font-size: 14px;
}

.footer-title {
  text-transform: uppercase;
  font-size: 11px;
  font-weight: bold;
  letter-spacing: 2px;

  color: #d8e4ec;

  margin-bottom: 15px;
}

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

.footer-links a {
  text-decoration: none;
  color: var(--muted);
  font-size: 14px;
}

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

.footer-bottom {
  max-width: 1150px;
  margin: auto;

  padding: 22px 28px 30px;

  border-top: 1px solid var(--line);

  display: flex;
  justify-content: space-between;
  gap: 20px;

  color: #728896;
  font-size: 12px;
}


/* ==================================================
   MOBILE / TABLET
================================================== */

@media (max-width: 850px) {

  .nav-wrap {
    flex-direction: column;
    align-items: flex-start;
  }

  nav {
    flex-wrap: wrap;
    gap: 18px;
  }

  .home-intro {
    padding: 55px 25px 65px;
  }

  .home-intro h1 {
    font-size: clamp(40px, 11vw, 58px);
  }

  .home-intro p {
    font-size: 18px;
  }

  .section {
    padding: 65px 24px;
  }

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

  .split {
    grid-template-columns: 1fr;
    gap: 35px;
  }

  .footer-inner {
    grid-template-columns: 1fr;
    gap: 30px;
  }

  .footer-bottom {
    flex-direction: column;
  }
}

/* ==================================================
   CLICKABLE OFFICIAL DATA CARDS
================================================== */

.topic-card-link {
  display: block;
  text-decoration: none;
  color: inherit;

  transition:
    transform .18s ease,
    border-color .18s ease,
    background .18s ease;
}

.topic-card-link:hover {
  transform: translateY(-4px);

  border-color: rgba(115,201,255,.48);

  background:
    linear-gradient(
      145deg,
      rgba(115,201,255,.10),
      rgba(255,255,255,.035)
    );
}

.topic-card-link h3 {
  color: var(--white);
}

.topic-card-link p {
  color: var(--soft);
}

.official-source {
  margin-top: 22px;

  padding-top: 16px;

  border-top: 1px solid var(--line);

  color: #8099aa;

  font-size: 12px;

  text-transform: uppercase;

  letter-spacing: 1px;
}

.official-link {
  margin-top: 8px;

  color: var(--blue);

  font-size: 13px;

  font-weight: bold;
}