:root {
  --red: #AE1915;
  --black: #000001;
  --white: #f8f5ef;
  --muted: #cfc6bb;
  --panel: rgba(255,255,255,.075);
  --panel-strong: rgba(255,255,255,.12);
  --line: rgba(255,255,255,.16);
  --shadow: 0 30px 90px rgba(0,0,0,.45);
}

* { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background:
    radial-gradient(circle at 15% 5%, rgba(174, 25, 21, .45), transparent 32rem),
    radial-gradient(circle at 85% 20%, rgba(255,255,255,.12), transparent 28rem),
    linear-gradient(135deg, #000001 0%, #130303 42%, #000001 100%);
  color: var(--white);
}

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

.site-shell {
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 18px 0;
  backdrop-filter: blur(18px);
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 900;
  letter-spacing: .02em;
}

.mark {
  display: inline-grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border: 2px solid var(--red);
  border-radius: 999px;
  background: var(--black);
  color: var(--white);
  box-shadow: 0 0 0 4px rgba(174,25,21,.2);
}

nav {
  display: flex;
  align-items: center;
  gap: 18px;
  color: var(--muted);
  font-size: .95rem;
}

nav a:hover { color: var(--white); }

.nav-cta {
  color: var(--white);
  background: var(--red);
  padding: 10px 14px;
  border-radius: 999px;
  font-weight: 800;
}

.hero {
  min-height: 76vh;
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(300px, .85fr);
  align-items: center;
  gap: 42px;
  padding: 82px 0 64px;
}

.eyebrow {
  margin: 0 0 14px;
  color: #ffb5b2;
  text-transform: uppercase;
  letter-spacing: .16em;
  font-size: .78rem;
  font-weight: 900;
}

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

h1 {
  max-width: 900px;
  font-size: clamp(3.5rem, 10vw, 8.5rem);
  line-height: .82;
  letter-spacing: -.085em;
  margin-bottom: 26px;
}

h2 {
  font-size: clamp(2rem, 4.6vw, 4.5rem);
  line-height: .9;
  letter-spacing: -.05em;
  margin-bottom: 18px;
}

h3 {
  font-size: 1.25rem;
  margin-bottom: 10px;
}

.lede {
  max-width: 740px;
  font-size: clamp(1.18rem, 2vw, 1.55rem);
  line-height: 1.45;
  color: var(--muted);
}

.button-row {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 30px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 14px 20px;
  border-radius: 999px;
  font-weight: 900;
  border: 1px solid var(--line);
}

.primary {
  background: var(--red);
  color: white;
  border-color: var(--red);
}

.secondary {
  background: rgba(255,255,255,.08);
  color: white;
}

.hero-card {
  padding: 34px;
  border: 1px solid var(--line);
  border-radius: 30px;
  background: linear-gradient(180deg, var(--panel-strong), rgba(255,255,255,.04));
  box-shadow: var(--shadow);
}

.card-label, .date {
  color: #ffb5b2;
  font-size: .8rem;
  text-transform: uppercase;
  letter-spacing: .12em;
  font-weight: 900;
}

blockquote {
  margin: 0 0 22px;
  font-size: clamp(2rem, 4vw, 3.4rem);
  line-height: .95;
  letter-spacing: -.055em;
  font-weight: 950;
}

.hero-card p:last-child {
  color: var(--muted);
  font-size: 1.05rem;
  line-height: 1.55;
}

.section {
  padding: 74px 0;
}

.section-header {
  max-width: 780px;
  margin-bottom: 34px;
}

.section-header p {
  color: var(--muted);
  font-size: 1.12rem;
  line-height: 1.55;
}

.intro-grid,
.principles,
.anti-grid,
.notes-grid {
  display: grid;
  gap: 18px;
}

.intro-grid {
  grid-template-columns: repeat(3, 1fr);
}

.intro-grid article,
.principles article,
.anti-grid article,
.notes-grid article {
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 24px;
  background: var(--panel);
}

.intro-grid p,
.principles p,
.anti-grid p,
.notes-grid p,
.split p,
.cta p {
  color: var(--muted);
  line-height: 1.6;
}

.principles {
  grid-template-columns: repeat(3, 1fr);
}

.principles span {
  display: inline-block;
  color: #ffb5b2;
  font-weight: 950;
  margin-bottom: 30px;
}

.dark-band {
  margin: 24px calc(50% - 50vw);
  padding-left: max(32px, calc((100vw - 1180px) / 2));
  padding-right: max(32px, calc((100vw - 1180px) / 2));
  background:
    linear-gradient(90deg, rgba(174,25,21,.9), rgba(174,25,21,.25)),
    #190302;
  border-top: 1px solid rgba(255,255,255,.15);
  border-bottom: 1px solid rgba(255,255,255,.15);
}

.anti-grid {
  grid-template-columns: repeat(4, 1fr);
}

.notes-grid {
  grid-template-columns: repeat(3, 1fr);
}

.split {
  display: grid;
  grid-template-columns: .8fr 1.2fr;
  gap: 36px;
  align-items: start;
}

.workshop-list {
  display: grid;
  gap: 14px;
}

.workshop-list a {
  display: grid;
  gap: 8px;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: 22px;
  background: var(--panel);
}

.workshop-list a:hover {
  background: var(--panel-strong);
  transform: translateY(-1px);
}

.workshop-list span {
  color: var(--muted);
}

.cta {
  text-align: center;
  border: 1px solid var(--line);
  border-radius: 32px;
  padding: 52px 24px;
  margin-bottom: 72px;
  background:
    radial-gradient(circle at 50% 0%, rgba(174,25,21,.5), transparent 30rem),
    var(--panel);
}

.cta p {
  max-width: 620px;
  margin: 0 auto 24px;
  font-size: 1.1rem;
}

footer {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding: 28px 0 48px;
  color: var(--muted);
  border-top: 1px solid var(--line);
}

footer a {
  color: #ffb5b2;
}

@media (max-width: 900px) {
  .topbar {
    align-items: flex-start;
    flex-direction: column;
  }

  nav {
    width: 100%;
    overflow-x: auto;
    padding-bottom: 4px;
  }

  .hero,
  .split {
    grid-template-columns: 1fr;
  }

  .intro-grid,
  .principles,
  .anti-grid,
  .notes-grid {
    grid-template-columns: 1fr;
  }

  .hero {
    padding-top: 52px;
  }

  h1 {
    font-size: clamp(3.3rem, 18vw, 6rem);
  }

  footer {
    flex-direction: column;
  }
}