/* ===== Reset ===== */
* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: var(--font-family);
  background: var(--color-black);
  color: var(--color-white);
  -webkit-font-smoothing: antialiased;
}

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

a:hover {
  opacity: 0.82;
}

img {
  max-width: 100%;
  display: block;
}

h1,
h2,
h3,
p {
  text-wrap: pretty;
}

/* ===== Layout primitives ===== */
.container {
  max-width: var(--content-max-width);
  margin: 0 auto;
  padding: 0 var(--content-pad);
}

.section {
  padding: var(--section-pad) 0;
}

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

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

.section--black {
  background: var(--color-black);
}

.band {
  padding: var(--band-pad) 0;
  background: var(--color-blue);
  text-align: center;
}

.cta-section {
  padding: 96px 0;
  background: var(--color-black);
  text-align: center;
}

.cta-section .h2-section {
  color: var(--color-white);
  margin: 0 0 32px;
}

.grid-2 {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 64px;
  align-items: center;
}

.grid-2--reverse {
  grid-template-columns: 0.95fr 1.05fr;
  gap: 72px;
}

.grid-2__visual {
  display: flex;
  justify-content: center;
}

.live-showcase {
  margin-bottom: 56px;
}

.live-showcase__intro {
  max-width: 620px;
  margin: 0 auto 40px;
  text-align: center;
}

.section-intro {
  text-align: center;
  max-width: 620px;
  margin: 0 auto 56px;
}

.section-intro__body {
  margin-top: 16px;
}

.chapter-hero__heading {
  max-width: 780px;
}

/* ===== Typography ===== */
.h1-hero {
  font-size: 56px;
  line-height: 1.08;
  font-weight: 800;
  color: var(--color-white);
  letter-spacing: -0.02em;
  margin: 0 0 24px;
}

.h1-hero__accent {
  color: var(--color-blue);
}

.h2-section {
  font-size: 36px;
  line-height: 1.15;
  font-weight: 800;
  color: var(--text-on-white);
  letter-spacing: -0.01em;
  margin: 0;
}

.band__text {
  font-size: 30px;
  line-height: 1.35;
  font-weight: 700;
  color: var(--color-white);
  letter-spacing: -0.01em;
  max-width: 780px;
  margin: 0 auto 18px;
}

.body-text {
  font-size: 16px;
  line-height: 1.7;
  color: var(--light-text-secondary);
  margin: 0;
}

.body-text--on-dark {
  font-size: 18px;
  line-height: 1.65;
  color: var(--dark-text-secondary);
  max-width: 460px;
}

.eyebrow {
  display: inline-block;
  color: var(--color-blue);
  font-weight: 700;
  font-size: 13px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: 14px;
}

.core-features__heading {
  margin-bottom: 20px;
}

.core-features__body {
  margin-bottom: 32px;
  max-width: 440px;
}

.hero__body {
  margin: 0 0 36px;
}

.quote {
  font-size: 20px;
  line-height: 1.6;
  font-weight: 500;
  color: var(--dark-text-secondary);
  max-width: 720px;
  margin: 0;
}

.quote__attribution {
  display: block;
  margin-top: 16px;
  font-size: 14px;
  font-weight: 700;
  color: var(--color-white);
}

.note-box {
  background: var(--light-surface);
  border-left: 3px solid var(--color-blue);
  padding: 20px 24px;
  border-radius: 0 12px 12px 0;
}

.note-box__text {
  font-size: 15px;
  line-height: 1.65;
  color: var(--light-text-secondary);
  margin: 0;
}

/* ===== Breakpoints ===== */
@media (max-width: 900px) {
  .grid-2,
  .grid-2--reverse {
    grid-template-columns: 1fr;
    gap: 48px;
  }
}

@media (max-width: 640px) {
  .h1-hero {
    font-size: 36px;
  }

  .h2-section {
    font-size: 28px;
  }

  .band__text {
    font-size: 22px;
  }
}