/* Hallmark · macrostructure: editorial lead-capture · tone: executive practical · anchor hue: violet · contrast: pass (46-50) · mobile: pass (36, 59, 61-69) */
:root {
  color-scheme: light;
  --color-ink: oklch(18% 0.018 285);
  --color-muted: oklch(45% 0.026 285);
  --color-faint: oklch(60% 0.026 285);
  --color-paper: oklch(99% 0.004 285);
  --color-paper-soft: oklch(96% 0.01 285);
  --color-panel: oklch(100% 0.002 285);
  --color-line: oklch(87% 0.018 285);
  --color-accent: oklch(53% 0.22 292);
  --color-accent-deep: oklch(34% 0.17 292);
  --color-accent-ink: oklch(99% 0.004 285);
  --color-focus: oklch(48% 0.21 292);
  --color-success: oklch(38% 0.12 156);
  --color-error: oklch(47% 0.18 27);
  --shadow-cover: 0 2rem 5rem oklch(18% 0.018 285 / 0.18), 0 0.75rem 1.625rem oklch(18% 0.018 285 / 0.12);
  --shadow-panel: 0 1.5rem 4rem oklch(18% 0.018 285 / 0.08);
  --font-display: Arial, Helvetica, sans-serif;
  --font-body: Arial, Helvetica, sans-serif;
  --space-2xs: 0.5rem;
  --space-xs: 0.75rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2rem;
  --space-xl: 3rem;
  --space-2xl: 4rem;
  --space-3xl: 6rem;
  --radius-sm: 0.75rem;
  --radius-md: 1rem;
  --radius-lg: 1.5rem;
  --dur-fast: 140ms;
  --dur-base: 180ms;
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
}

* { box-sizing: border-box; }
html, body { margin: 0; overflow-x: clip; }
body {
  min-width: 20rem;
  background: var(--color-paper);
  color: var(--color-ink);
  font-family: var(--font-body);
  line-height: 1.5;
}
button, input, textarea { font: inherit; }
a { color: inherit; }
.shell { width: min(73rem, calc(100% - 2rem)); margin: 0 auto; padding: var(--space-md) 0 var(--space-3xl); }
.site-header { display: flex; align-items: center; justify-content: space-between; min-height: 3.5rem; margin-bottom: var(--space-xl); }
.brand { font-family: var(--font-display); font-size: 1.375rem; font-weight: 700; letter-spacing: 0; text-decoration: none; }
.site-header nav { display: flex; align-items: center; gap: var(--space-lg); }
.site-header nav a { color: var(--color-muted); font-size: 0.9375rem; line-height: 1; text-decoration: none; white-space: nowrap; transition: color var(--dur-fast) var(--ease-out); }
.site-header nav a:hover { color: var(--color-accent-deep); }
.site-header nav a:focus-visible, .button:focus-visible, .lead-form input:focus-visible, .lead-form textarea:focus-visible, .consent input:focus-visible { outline: 2px solid var(--color-focus); outline-offset: 2px; }
.hero { display: grid; grid-template-columns: minmax(0, 1fr) minmax(17rem, 24rem); gap: var(--space-3xl); align-items: center; padding: var(--space-md) 0 var(--space-2xl); }
.hero__copy { min-width: 0; }
.eyebrow { margin: 0 0 var(--space-sm); color: var(--color-accent-deep); font-size: 0.875rem; font-weight: 700; letter-spacing: 0.04em; text-transform: uppercase; }
h1, h2, h3, p { margin-top: 0; }
h1 { max-width: 11ch; margin-bottom: var(--space-md); font-family: var(--font-display); font-size: clamp(3.25rem, 8vw, 6.25rem); line-height: 0.96; letter-spacing: 0; overflow-wrap: anywhere; min-width: 0; }
.lead { max-width: 58ch; margin-bottom: var(--space-lg); color: var(--color-muted); font-size: clamp(1.125rem, 2vw, 1.375rem); line-height: 1.55; }
.hero__actions { display: flex; flex-wrap: wrap; align-items: center; gap: var(--space-sm); }
.button { display: inline-flex; align-items: center; justify-content: center; min-height: 3rem; padding: 0 var(--space-md); border: 1px solid var(--color-line); border-radius: 999px; background: var(--color-panel); color: var(--color-ink); cursor: pointer; font-weight: 700; line-height: 1; text-decoration: none; white-space: nowrap; transition: transform var(--dur-base) var(--ease-out), background-color var(--dur-fast) var(--ease-out), color var(--dur-fast) var(--ease-out), border-color var(--dur-fast) var(--ease-out); }
.button:hover { transform: translateY(-1px); }
.button:active { transform: translateY(0); }
.button:disabled, .button[aria-disabled="true"] { opacity: 0.55; cursor: not-allowed; }
.button--primary { border-color: var(--color-accent-deep); background: var(--color-accent-deep); color: var(--color-accent-ink); }
.button--primary:hover { background: var(--color-ink); border-color: var(--color-ink); }
.button--ghost:hover { border-color: var(--color-accent-deep); color: var(--color-accent-deep); }
.book-figure { margin: 0; justify-self: end; }
.book-figure img { display: block; width: min(24rem, 100%); height: auto; border-radius: var(--radius-md); box-shadow: var(--shadow-cover); }
.proof-strip { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 0; margin: 0 0 var(--space-2xl); border: 1px solid var(--color-line); border-radius: var(--radius-lg); background: var(--color-panel); overflow: hidden; }
.proof-strip p { min-height: 5rem; margin: 0; padding: var(--space-md); border-left: 1px solid var(--color-line); color: var(--color-muted); font-weight: 700; display: flex; align-items: center; }
.proof-strip p:first-child { border-left: 0; }
.content-grid { display: grid; grid-template-columns: minmax(0, 1.25fr) repeat(2, minmax(0, 1fr)); gap: var(--space-sm); margin-bottom: var(--space-2xl); }
.section-intro, .content-grid article, .lead-form, .request-copy { border: 1px solid var(--color-line); border-radius: var(--radius-lg); background: var(--color-panel); box-shadow: var(--shadow-panel); }
.section-intro { grid-row: span 2; padding: var(--space-xl); }
.section-intro h2, .request-copy h2 { margin-bottom: var(--space-md); font-size: clamp(2rem, 3.2vw, 3rem); line-height: 1.08; letter-spacing: 0; overflow-wrap: normal; word-break: normal; hyphens: none; min-width: 0; }
.content-grid article { min-height: 13rem; padding: var(--space-lg); }
.content-grid h3 { margin-bottom: var(--space-sm); font-size: 1.375rem; line-height: 1.18; }
.content-grid p, .request-copy p { margin-bottom: 0; color: var(--color-muted); max-width: 65ch; }
.request-section { display: grid; grid-template-columns: minmax(0, 0.86fr) minmax(0, 1.14fr); gap: var(--space-sm); align-items: start; }
.request-copy { padding: var(--space-xl); position: sticky; top: var(--space-md); }
.lead-form { padding: var(--space-lg); }
.form-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: var(--space-sm); }
.lead-form label { display: grid; gap: var(--space-2xs); }
.lead-form label span { color: var(--color-ink); font-size: 0.875rem; font-weight: 700; }
.lead-form input, .lead-form textarea { width: 100%; min-height: 3rem; border: 1px solid var(--color-line); border-radius: var(--radius-sm); background: var(--color-paper-soft); color: var(--color-ink); padding: 0 var(--space-sm); outline: 2px solid transparent; outline-offset: 1px; transition: background-color var(--dur-fast) var(--ease-out), border-color var(--dur-fast) var(--ease-out); }
.lead-form textarea { min-height: 8.5rem; padding-top: var(--space-sm); resize: vertical; }
.lead-form input:hover, .lead-form textarea:hover { border-color: var(--color-faint); background: var(--color-panel); }
.lead-form input[aria-invalid="true"], .lead-form textarea[aria-invalid="true"] { border-color: var(--color-error); background: var(--color-panel); }
.lead-form small { min-height: 1lh; color: var(--color-error); font-size: 0.8125rem; }
.form-wide { grid-column: 1 / -1; }
.consent { display: grid; grid-template-columns: 1.25rem minmax(0, 1fr); gap: var(--space-xs); align-items: start; margin-top: var(--space-sm); color: var(--color-muted); }
.consent input { width: 1.125rem; height: 1.125rem; min-height: 0; margin: 0.1875rem 0 0; accent-color: var(--color-accent-deep); }
.hp { position: absolute; left: -10000px; width: 1px; height: 1px; overflow: hidden; }
.form-submit { width: 100%; margin-top: var(--space-md); }
.form-status { min-height: 1.5rem; margin: var(--space-sm) 0 0; color: var(--color-muted); }
.form-status[data-tone="success"] { color: var(--color-success); }
.form-status[data-tone="error"] { color: var(--color-error); }
@media (max-width: 76rem) {
  .content-grid { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); }
  .section-intro { grid-column: 1 / -1; grid-row: auto; }
  .section-intro h2, .request-copy h2 { max-width: 18ch; }
  .request-section { grid-template-columns: minmax(0, 1fr); }
  .request-copy { position: static; }
}
@media (prefers-reduced-motion: reduce) { *, *::before, *::after { transition-duration: 1ms !important; animation-duration: 1ms !important; scroll-behavior: auto !important; } }
@media (max-width: 58rem) {
  .shell { width: min(100% - 1.5rem, 73rem); padding-top: var(--space-sm); }
  .site-header { margin-bottom: var(--space-lg); }
  .site-header nav { gap: var(--space-sm); }
  .site-header nav a:first-child { display: none; }
  .hero, .request-section { grid-template-columns: minmax(0, 1fr); gap: var(--space-xl); }
  .hero { padding-bottom: var(--space-xl); }
  h1 { max-width: 12ch; font-size: clamp(3rem, 15vw, 4.75rem); }
  .book-figure { justify-self: start; }
  .book-figure img { width: min(18rem, 100%); }
  .proof-strip, .content-grid, .form-grid { grid-template-columns: minmax(0, 1fr); }
  .proof-strip p { min-height: 3.75rem; border-left: 0; border-top: 1px solid var(--color-line); }
  .proof-strip p:first-child { border-top: 0; }
  .section-intro { grid-row: auto; }
  .request-copy { position: static; }
  .hero__actions { align-items: stretch; }
  .button { min-width: 0; }
}
@media (max-width: 25rem) {
  .site-header { align-items: flex-start; gap: var(--space-sm); }
  .site-header nav { padding-top: 0.375rem; }
  .hero__actions { flex-direction: column; }
  .button { width: 100%; }
  .section-intro, .content-grid article, .lead-form, .request-copy { padding: var(--space-md); }
}