:root {
  --background: #07111f;
  --background-light: #0b1829;
  --card: #101f33;
  --card-light: #14263d;

  --text: #f2f6fb;
  --muted: #a9b8ca;

  --blue: #76c8ff;
  --gold: #d8b66b;

  --border: #24364d;

  --max-width: 1120px;
}


* {
  box-sizing: border-box;
}


html {
  scroll-behavior: smooth;
}


body {
  margin: 0;

  background: var(--background);
  color: var(--text);

  font-family:
    Inter,
    system-ui,
    -apple-system,
    BlinkMacSystemFont,
    "Segoe UI",
    sans-serif;

  line-height: 1.7;
}


a {
  color: var(--blue);
  text-decoration: none;
}


a:hover {
  text-decoration: underline;
}


.container {
  width: min(
    calc(100% - 40px),
    var(--max-width)
  );

  margin: 0 auto;
}


/* HEADER */

.header {
  position: sticky;
  top: 0;
  z-index: 100;

  background: rgba(7, 17, 31, 0.9);

  backdrop-filter: blur(14px);

  border-bottom: 1px solid var(--border);
}


.nav {
  min-height: 70px;

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


.logo {
  color: var(--text);

  font-size: 20px;
  font-weight: 800;

  display: flex;
  align-items: center;
  gap: 9px;
}


.logo-icon {
  color: var(--gold);

  font-size: 26px;
}


nav {
  display: flex;
  gap: 25px;
}


nav a {
  color: var(--muted);

  font-size: 14px;
  font-weight: 600;
}


nav a:hover {
  color: var(--text);

  text-decoration: none;
}


/* HERO */

.hero {
  padding: 100px 0 90px;

  background:
    radial-gradient(
      circle at 80% 15%,
      #173a5d 0,
      transparent 35%
    );
}


.hero-grid {
  display: grid;

  grid-template-columns:
    minmax(0, 1.4fr)
    minmax(300px, 0.7fr);

  gap: 70px;

  align-items: center;
}


.eyebrow {
  margin-bottom: 12px;

  color: var(--blue);

  font-size: 12px;
  font-weight: 800;

  letter-spacing: 0.16em;
}


h1 {
  margin: 0 0 25px;

  font-size: clamp(44px, 7vw, 78px);

  line-height: 1.02;

  letter-spacing: -0.05em;
}


h1 span {
  display: block;

  color: var(--gold);
}


h2 {
  margin: 0 0 20px;

  font-size: clamp(32px, 4vw, 48px);

  line-height: 1.1;

  letter-spacing: -0.04em;
}


h3 {
  margin: 12px 0;

  font-size: 21px;
}


.hero-description {
  max-width: 700px;

  color: var(--muted);

  font-size: 20px;
}


.hero-buttons {
  display: flex;

  gap: 12px;

  margin-top: 30px;
}


.button {
  display: inline-block;

  padding: 12px 19px;

  border-radius: 10px;

  background: var(--blue);

  color: #03101c;

  font-weight: 800;
}


.button:hover {
  text-decoration: none;

  filter: brightness(1.08);
}


.button-outline {
  background: transparent;

  color: var(--text);

  border: 1px solid var(--border);
}


.hero-card {
  padding: 50px 35px;

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

  border-radius: 28px;

  background:
    linear-gradient(
      145deg,
      #112841,
      #091524
    );

  text-align: center;

  box-shadow:
    0 25px 70px rgba(0, 0, 0, 0.25);
}


.knight-symbol {
  margin-bottom: 15px;

  color: var(--gold);

  font-size: 90px;

  line-height: 1;
}


.hero-card p {
  color: var(--muted);
}


/* SECTIONS */

.section {
  padding: 90px 0;
}


.dark-section {
  background: var(--background-light);
}


.section-heading {
  max-width: 760px;
}


.section-heading p {
  color: var(--muted);

  font-size: 18px;
}


/* CARDS */

.cards {
  display: grid;

  grid-template-columns:
    repeat(3, 1fr);

  gap: 18px;

  margin-top: 35px;
}


.card {
  padding: 28px;

  background: var(--card);

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

  border-radius: 18px;
}


.card-icon {
  color: var(--gold);

  font-size: 30px;
}


.card p {
  color: var(--muted);
}


.card a {
  font-weight: 700;
}


/* ARTICLES */

.article {
  max-width: 850px;
}


.article p {
  color: var(--muted);

  font-size: 17px;
}


.article h3 {
  margin-top: 40px;
}


.article li {
  margin: 7px 0;

  color: var(--muted);
}


.info-box,
.warning-box {
  margin: 30px 0;

  padding: 22px 25px;

  border-left: 4px solid var(--blue);

  background: var(--card);

  border-radius: 0 12px 12px 0;
}


.warning-box {
  border-color: var(--gold);
}


.info-box p,
.warning-box p {
  margin-bottom: 0;
}


/* COMPARISON */

.comparison-table {
  margin-top: 35px;

  overflow: hidden;

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

  border-radius: 15px;
}


.comparison-header,
.comparison-row {
  display: grid;

  grid-template-columns:
    1.1fr
    1fr
    1fr;
}


.comparison-header {
  background: var(--card-light);

  font-weight: 800;
}


.comparison-row {
  border-top: 1px solid var(--border);
}


.comparison-header > *,
.comparison-row > * {
  padding: 17px 20px;
}


.comparison-row > * + * {
  border-left: 1px solid var(--border);
}


.comparison-row span {
  color: var(--muted);
}


.center-note {
  margin-top: 25px;

  color: var(--muted);

  text-align: center;
}


/* EVIDENCE */

.source-grid {
  display: grid;

  grid-template-columns:
    repeat(2, 1fr);

  gap: 18px;

  margin-top: 35px;
}


.source-card {
  padding: 27px;

  background: var(--card);

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

  border-radius: 18px;
}


.source-card p {
  color: var(--muted);
}


.source-type {
  color: var(--gold);

  font-size: 11px;

  font-weight: 800;

  letter-spacing: 0.12em;
}


/* FAQ */

details {
  padding: 22px 0;

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


details:last-child {
  border-bottom: 1px solid var(--border);
}


summary {
  cursor: pointer;

  font-weight: 800;

  font-size: 18px;
}


details p {
  max-width: 750px;

  color: var(--muted);
}


/* FOOTER */

footer {
  padding: 50px 0;

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


.footer {
  display: flex;

  justify-content: space-between;

  gap: 60px;
}


.footer p {
  color: var(--muted);

  max-width: 550px;
}


.footer-disclaimer {
  max-width: 500px;
}


/* MOBILE */

@media (max-width: 800px) {

  .hero {
    padding: 65px 0;
  }


  .hero-grid {
    grid-template-columns: 1fr;

    gap: 40px;
  }


  .cards,
  .source-grid {
    grid-template-columns: 1fr;
  }


  .comparison-table {
    font-size: 14px;
  }


  .comparison-header > *,
  .comparison-row > * {
    padding: 13px 10px;
  }


  nav {
    display: none;
  }


  .footer {
    display: block;
  }


  .hero-buttons {
    flex-direction: column;

    align-items: stretch;
  }


  .button {
    text-align: center;
  }

}