:root {
  --black: #050505;
  --white: #f2f2f2;
  --muted: #9a9a9a;
  --blue: #0a3cff;
  --border: 4px solid var(--white);
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  background: var(--black);
  color: var(--white);
  font-family: "Helvetica Neue", "Arial Narrow", Arial, sans-serif;
  font-weight: 700;
  line-height: 1.55;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  -webkit-font-smoothing: antialiased;
}

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

h1, h2, h3 {
  font-weight: 900;
  letter-spacing: 0.03em;
  line-height: 1.08;
}

.rule {
  border: none;
  border-top: var(--border);
  width: min(720px, 80%);
  margin: 3.5rem auto;
}

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

.hero {
  text-align: center;
  padding: 4rem 1.25rem 0;
}

.hero__logo {
  width: 110px;
  height: 110px;
  margin-bottom: 2.5rem;
}

.hero__title {
  font-size: clamp(2.2rem, 6.5vw, 4.5rem);
}

.hero__subtitle {
  color: var(--blue);
  font-size: clamp(1rem, 2.5vw, 1.6rem);
  font-weight: 800;
  letter-spacing: 0.45em;
  margin-top: 1.2rem;
  padding-left: 0.45em; /* компенсация letter-spacing */
}

.hero__text {
  max-width: 780px;
  margin: 0 auto 5rem;
  font-size: clamp(1rem, 2.2vw, 1.5rem);
  font-weight: 800;
  line-height: 1.45;
}

/* ---------- Panels ---------- */

main {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 1.25rem;
}

.panel {
  border: var(--border);
  padding: clamp(1.75rem, 5vw, 3.5rem);
  margin-bottom: 5rem;
}

.panel__title {
  font-size: clamp(1.8rem, 4.5vw, 3rem);
  padding-bottom: 1.5rem;
  border-bottom: 2px solid #2a2a2a;
  margin-bottom: 2.5rem;
}

/* ---------- Symbol ---------- */

.symbol__body {
  display: flex;
  align-items: center;
  gap: clamp(2rem, 5vw, 4rem);
}

.symbol__logo {
  flex: 0 0 auto;
  width: clamp(140px, 22vw, 210px);
  height: auto;
}

.symbol__text p {
  margin-bottom: 1.5rem;
}

.symbol__text h3 {
  font-size: clamp(1.3rem, 3vw, 1.8rem);
  margin: 1.5rem 0 0.8rem;
}

/* ---------- Rule of three X ---------- */

.rule3 {
  margin-bottom: 5rem;
}

.rule3__title {
  text-align: center;
  font-size: clamp(1.9rem, 5vw, 3.2rem);
  margin-bottom: 3rem;
}

.rule3__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border: var(--border);
}

.rule3__col {
  padding: clamp(1.5rem, 3.5vw, 2.5rem);
  text-align: center;
}

.rule3__col + .rule3__col {
  border-left: var(--border);
}

.rule3__col h3 {
  font-size: clamp(1.2rem, 2.6vw, 1.7rem);
  margin-bottom: 1.2rem;
}

.rule3__col p {
  font-size: 0.95rem;
}

/* ---------- Codex ---------- */

.codex__list {
  list-style: none;
}

.codex__list li {
  display: flex;
  gap: 1.2rem;
  align-items: baseline;
}

.codex__list li + li {
  margin-top: 2rem;
}

.codex__num {
  color: var(--blue);
  font-weight: 900;
  font-size: 1.15rem;
  flex: 0 0 auto;
}

.codex__list p {
  font-size: clamp(0.95rem, 2vw, 1.1rem);
}

.codex__list strong {
  font-weight: 900;
}

/* ---------- Entry ---------- */

.entry {
  text-align: center;
  max-width: 860px;
  margin: 0 auto 5rem;
}

.entry__badge {
  display: inline-block;
  background: var(--blue);
  color: var(--white);
  font-weight: 900;
  font-size: clamp(1.1rem, 3vw, 1.7rem);
  letter-spacing: 0.08em;
  padding: 0.6em 1.2em;
  margin-bottom: 2.5rem;
}

.entry__text {
  text-align: justify;
  font-weight: 800;
  font-size: clamp(0.95rem, 2.2vw, 1.2rem);
}

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

.footer {
  border-top: 2px solid #1c1c1c;
  padding: 2.5rem 1.25rem 3rem;
  text-align: center;
  color: var(--muted);
  font-size: 0.85rem;
  letter-spacing: 0.1em;
}

.footer__tags {
  margin-top: 0.6rem;
  color: #4a4a4a;
  font-size: 0.75rem;
}

/* ---------- Responsive ---------- */

@media (max-width: 720px) {
  .symbol__body {
    flex-direction: column;
    text-align: left;
  }

  .symbol__logo {
    align-self: center;
  }

  .rule3__grid {
    grid-template-columns: 1fr;
  }

  .rule3__col + .rule3__col {
    border-left: none;
    border-top: var(--border);
  }

  .entry__text {
    text-align: left;
  }
}