/* Cardinal landing — Cartesian-inspired cream paper, Fraunces + JetBrains Mono. */

:root {
  --cream: #f7f1e0;
  --card: #fcf8ec;
  --ink: #221e1c;
  --ink-soft: rgba(34, 30, 28, 0.65);
  --ink-softer: rgba(34, 30, 28, 0.42);
  --hairline: rgba(34, 30, 28, 0.12);
  --accent: #8e3818; /* terracotta — ops-within-10 band */
  --accent-deep: #5a2410;
  --accent-soft: rgba(142, 56, 24, 0.1);
  --red: #9e2828; /* page-number red */
}

* {
  box-sizing: border-box;
}
html,
body {
  margin: 0;
  padding: 0;
  background: var(--cream);
  color: var(--ink);
  font-family: "Fraunces", Georgia, "Times New Roman", serif;
  font-feature-settings: "ss01" on;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

.page {
  max-width: 880px;
  margin: 0 auto;
  padding: 64px 28px 96px;
}

/* HERO */
.hero {
  padding: 80px 0 56px;
  text-align: center;
  border-bottom: 1px solid var(--hairline);
}

.brand {
  font-family: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.32em;
  color: var(--accent);
  margin-bottom: 28px;
}

.hero h1 {
  font-variation-settings:
    "opsz" 144,
    "SOFT" 30,
    "wght" 700;
  font-size: clamp(40px, 6.4vw, 72px);
  line-height: 0.96;
  letter-spacing: -0.025em;
  margin: 0 0 22px;
  color: var(--ink);
}

.kicker {
  font-style: italic;
  font-size: clamp(16px, 2vw, 19px);
  color: var(--ink-soft);
  margin: 0 0 44px;
  line-height: 1.45;
}

.cta {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 36px;
}

.cta-primary {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  background: var(--accent);
  color: var(--cream);
  text-decoration: none;
  padding: 16px 38px;
  border-radius: 14px;
  border: 2px solid var(--accent-deep);
  transition:
    transform 0.16s ease,
    background 0.16s ease;
}

.cta-primary:hover {
  background: var(--accent-deep);
  transform: translateY(-1px);
}

.cta-label {
  font-variation-settings:
    "opsz" 96,
    "wght" 700;
  font-size: 19px;
  letter-spacing: -0.01em;
}

.cta-meta {
  font-family: "JetBrains Mono", monospace;
  font-size: 10px;
  letter-spacing: 0.16em;
  opacity: 0.78;
  margin-top: 4px;
}

.cta-secondary {
  display: inline-flex;
  align-items: center;
  text-decoration: none;
  font-style: italic;
  color: var(--ink-soft);
  padding: 16px 24px;
  border-bottom: 1px solid var(--ink-softer);
  font-size: 17px;
}

.cta-secondary:hover {
  color: var(--ink);
  border-bottom-color: var(--ink);
}

.legalese {
  font-family: "JetBrains Mono", monospace;
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--ink-softer);
  margin: 0;
  line-height: 1.6;
}

/* SECTIONS */
.section {
  padding: 72px 0 24px;
  border-bottom: 1px solid var(--hairline);
}

.section h2 {
  font-variation-settings:
    "opsz" 80,
    "SOFT" 0,
    "wght" 600;
  font-size: clamp(26px, 3.4vw, 36px);
  letter-spacing: -0.02em;
  line-height: 1.12;
  margin: 0 0 24px;
}

.lede {
  font-size: 19px;
  line-height: 1.62;
  color: var(--ink);
  margin: 0 0 36px;
  max-width: 700px;
}

/* BANDS */
.bands {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  margin-bottom: 24px;
}

.band {
  background: var(--card);
  border: 1px solid var(--hairline);
  border-radius: 10px;
  padding: 18px 20px;
  display: grid;
  grid-template-columns: 4px 1fr;
  gap: 14px;
  align-items: start;
}

.band-stripe {
  width: 4px;
  height: 100%;
  border-radius: 2px;
}

.band b {
  display: block;
  font-variation-settings:
    "opsz" 36,
    "wght" 600;
  font-size: 17px;
  letter-spacing: -0.01em;
}

.band span {
  display: block;
  font-family: "JetBrains Mono", monospace;
  font-size: 10px;
  letter-spacing: 0.14em;
  color: var(--ink-softer);
  margin-top: 2px;
}

.band p {
  font-size: 14px;
  line-height: 1.55;
  color: var(--ink-soft);
  margin: 8px 0 0;
  grid-column: 2;
}

@media (max-width: 640px) {
  .bands {
    grid-template-columns: 1fr;
  }
}

/* QUOTE */
.quote-section {
  text-align: center;
  padding: 96px 0;
  border-bottom: 1px solid var(--hairline);
}
blockquote {
  margin: 0 auto;
  max-width: 640px;
  font-style: italic;
  font-size: clamp(28px, 3.8vw, 40px);
  font-variation-settings:
    "opsz" 96,
    "wght" 400;
  line-height: 1.18;
  color: var(--ink);
}
blockquote em {
  font-style: italic;
}
blockquote cite {
  display: block;
  margin-top: 18px;
  font-style: normal;
  font-family: "JetBrains Mono", monospace;
  font-size: 10px;
  letter-spacing: 0.18em;
  color: var(--ink-softer);
}

/* FEATURES */
.features {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 36px;
}

.feature h3 {
  font-variation-settings:
    "opsz" 60,
    "wght" 600;
  font-size: 19px;
  margin: 0 0 8px;
}

.feature p {
  font-size: 15px;
  line-height: 1.62;
  color: var(--ink-soft);
  margin: 0;
}

@media (max-width: 640px) {
  .features {
    grid-template-columns: 1fr;
    gap: 24px;
  }
}

/* HOW */
.how ol {
  font-size: 15px;
  line-height: 1.7;
  color: var(--ink);
  padding-left: 22px;
}
.how li {
  margin-bottom: 6px;
}
.how code {
  font-family: "JetBrains Mono", monospace;
  font-size: 13px;
  background: var(--accent-soft);
  color: var(--accent-deep);
  padding: 2px 6px;
  border-radius: 4px;
}
.footnote {
  font-style: italic;
  color: var(--ink-softer);
  font-size: 13px;
  margin-top: 18px;
}

/* FOOTER */
footer {
  padding: 48px 0 24px;
  text-align: center;
  font-family: "JetBrains Mono", monospace;
  font-size: 10px;
  letter-spacing: 0.18em;
  color: var(--ink-softer);
}

/* Page number watermarks at corners */
.page::before,
.page::after {
  position: fixed;
  font-family: "Fraunces", serif;
  font-style: italic;
  font-size: 14px;
  color: var(--red);
  opacity: 0.55;
  pointer-events: none;
}
.page::before {
  content: "1";
  left: 24px;
  bottom: 24px;
}
.page::after {
  content: "1";
  right: 24px;
  bottom: 24px;
}