/* Hallmark · genre: modern-minimal · macrostructure: Quote-Led · tone: authoritative, human, purposeful · theme: Primeast identity · enrichment: supplied book artifact · nav: N9 Edge-aligned minimal · footer: Ft2 Inline single line */
/* Hallmark · pre-emit critique: P5 H5 E4 S5 R5 V4 */
/* Hallmark · final QA: contrast 40–41 pass · slop 57-gate pass with approved Inter exception · mobile 320/375/414/768 pass · 1280×800 fold pass */

@import url("tokens.css");

*,
*::before,
*::after {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  overflow-x: clip;
}

html {
  scroll-behavior: smooth;
}

body {
  min-width: 20rem;
  background: var(--color-paper);
  color: var(--color-ink);
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

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

button,
input {
  font: inherit;
}

a {
  color: inherit;
}

h1,
h2,
h3,
p,
blockquote,
figure,
ul {
  margin: 0;
}

h1,
h2,
h3 {
  min-width: 0;
  color: inherit;
  font-family: var(--font-display);
  font-style: normal;
  text-wrap: balance;
  overflow-wrap: anywhere;
}

p,
li {
  text-wrap: pretty;
}

[hidden] {
  display: none !important;
}

.skip-link {
  position: fixed;
  inset-block-start: var(--space-sm);
  inset-inline-start: var(--space-sm);
  z-index: var(--z-sticky);
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius-sm);
  background: var(--color-paper);
  color: var(--color-navy);
  font-weight: 700;
  text-decoration: none;
  transform: translateY(-200%);
}

.skip-link:focus {
  transform: none;
}

.shell,
.reading-shell {
  width: min(100%, var(--measure-page));
  margin-inline: auto;
  padding-inline: var(--page-gutter);
}

.reading-shell {
  width: min(100%, var(--measure-reading));
}

.site-header,
.hero,
.audience,
.site-footer {
  background: var(--color-navy);
  color: var(--color-on-dark);
}

.nav-edge {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
  min-height: 5.5rem;
}

.nav-edge__logo-link,
.nav-edge__cta,
.button,
.site-footer a {
  white-space: nowrap;
}

.nav-edge__logo-link {
  display: inline-flex;
  align-items: center;
  min-height: 2.75rem;
}

.nav-edge__logo {
  width: 7.25rem;
  height: auto;
}

.nav-edge__cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2.75rem;
  padding-inline: var(--space-lg);
  border: var(--rule-hair) solid var(--color-on-dark-muted);
  border-radius: var(--radius-pill);
  color: var(--color-on-dark);
  font-size: var(--text-sm);
  font-weight: 700;
  text-decoration: none;
  transition: background-color var(--dur-short) var(--ease-out), color var(--dur-short) var(--ease-out), transform var(--dur-micro) var(--ease-out);
}

.hero {
  padding-block: clamp(var(--space-xl), 7vw, var(--space-2xl)) clamp(var(--space-3xl), 12vw, var(--space-4xl));
}

.hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  align-items: center;
  gap: var(--space-2xl);
}

.hero__copy {
  min-width: 0;
}

.hero__label {
  margin-block-end: var(--space-lg);
  color: var(--color-on-dark-muted);
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.hero h1 {
  max-width: 11ch;
  font-size: var(--text-display);
  font-weight: 700;
  letter-spacing: -0.035em;
  line-height: 1.02;
}

.hero__subtitle {
  max-width: 37rem;
  margin-block-start: var(--space-md);
  color: var(--color-on-dark-muted);
  font-size: var(--text-md);
  line-height: 1.5;
}

.hero__quote {
  max-width: 35rem;
  margin-block-start: var(--space-xl);
  padding-block: var(--space-lg);
  border-block: var(--rule-hair) solid var(--color-rule-dark);
}

.hero__quote blockquote {
  color: var(--color-on-dark);
  font-family: var(--font-display);
  font-size: clamp(1.35rem, 2.2vw, 1.9rem);
  font-style: normal;
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.28;
  text-wrap: balance;
}

.hero__quote cite {
  display: block;
  margin-block-start: var(--space-md);
  color: var(--color-on-dark-muted);
  font-size: var(--text-sm);
  font-style: normal;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-lg);
  margin-block-start: var(--space-xl);
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 3rem;
  padding: var(--space-sm) var(--space-lg);
  border: 0;
  border-radius: var(--radius-pill);
  cursor: pointer;
  font-family: var(--font-body);
  font-size: var(--text-base);
  font-weight: 700;
  line-height: 1;
  text-decoration: none;
  transition: background-color var(--dur-short) var(--ease-out), color var(--dur-short) var(--ease-out), transform var(--dur-micro) var(--ease-out), opacity var(--dur-short) var(--ease-out);
}

.button--primary {
  background: var(--color-magenta);
  color: var(--color-accent-ink);
}

.button--secondary {
  border: var(--rule-hair) solid var(--color-teal-deep);
  background: transparent;
  color: var(--color-teal-deep);
}

.button[disabled],
.button[aria-disabled="true"] {
  cursor: not-allowed;
  opacity: 0.56;
}

.button__spinner {
  width: 1rem;
  height: 1rem;
  margin-inline-end: var(--space-xs);
  border: 2px solid currentColor;
  border-inline-end-color: transparent;
  border-radius: var(--radius-pill);
  animation: spin var(--dur-long) linear infinite;
}

@keyframes spin {
  to { transform: rotate(1turn); }
}

.hero__time-note {
  max-width: 16rem;
  color: var(--color-on-dark-muted);
  font-size: var(--text-sm);
  line-height: 1.45;
}

.book-figure {
  width: min(75vw, 19rem);
  justify-self: center;
}

.book-figure img {
  width: 100%;
  height: auto;
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-object);
}

.book-figure figcaption {
  margin-block-start: var(--space-sm);
  color: var(--color-on-dark-muted);
  font-size: var(--text-xs);
  text-align: center;
}

.trust__list,
.inside__list,
.audience__list {
  padding: 0;
  list-style: none;
}

.trust {
  background: var(--color-paper-warm);
  color: var(--color-navy);
  padding-block: clamp(var(--space-xl), 6vw, var(--space-2xl));
}

.trust__list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-xl) var(--space-md);
}

.trust__item {
  min-width: 0;
}

.trust__value {
  display: block;
  font-size: var(--text-xl);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1;
  font-variant-numeric: tabular-nums;
}

.trust__label {
  display: block;
  max-width: 11rem;
  margin-block-start: var(--space-xs);
  color: var(--color-muted);
  font-size: var(--text-sm);
  font-weight: 600;
  line-height: 1.4;
}

.argument,
.inside,
.author,
.download {
  padding-block: clamp(var(--space-3xl), 10vw, var(--space-4xl));
}

.argument {
  background: var(--color-paper);
  color: var(--color-ink);
}

.argument__shell {
  width: min(100%, 68rem);
}

.argument__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-xl);
}

.argument h2,
.inside h2,
.audience h2,
.author h2,
.download h2 {
  font-size: var(--text-2xl);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.08;
}

.argument h2 {
  max-width: 15ch;
  overflow-wrap: normal;
}

.argument__lede {
  max-width: 36ch;
  color: var(--color-navy);
  font-size: var(--text-lg);
  font-weight: 700;
  line-height: 1.35;
}

.prose {
  display: grid;
  gap: var(--space-lg);
  max-width: var(--measure-copy);
  color: var(--color-muted);
  font-size: var(--text-md);
}

.argument__focus {
  display: grid;
  gap: var(--space-2xl);
  margin-block: var(--space-2xl);
}

.argument__pull {
  width: 100%;
  margin: 0;
  padding-block: var(--space-xl);
  border-block: var(--rule-hair) solid var(--color-rule);
  color: var(--color-navy);
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 4vw, 3rem);
  font-style: normal;
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.2;
  text-wrap: balance;
}

.argument__pull strong {
  color: var(--color-magenta);
}

.primefocus-figure {
  width: min(76vw, 17rem);
  justify-self: center;
}

.primefocus-figure img {
  width: 100%;
  aspect-ratio: 931 / 1180;
  height: auto;
  border-radius: var(--radius-sm);
  object-fit: cover;
  object-position: bottom;
}

.primefocus-figure figcaption {
  margin-block-start: var(--space-sm);
  color: var(--color-navy);
  font-size: var(--text-sm);
  line-height: 1.45;
  text-align: center;
}

.primefocus-figure figcaption strong,
.primefocus-figure figcaption span {
  display: block;
}

.primefocus-figure figcaption span {
  margin-block-start: var(--space-2xs);
  color: var(--color-muted);
}

.argument__closing {
  margin-inline-start: auto;
}

.inside {
  background: var(--color-paper-cool);
  color: var(--color-ink);
}

.inside__intro {
  display: grid;
  gap: var(--space-lg);
  margin-block-end: var(--space-2xl);
}

.inside__intro p {
  max-width: 48rem;
  color: var(--color-muted);
  font-size: var(--text-md);
}

.inside__item {
  display: grid;
  grid-template-columns: 2rem minmax(0, 1fr);
  gap: var(--space-md);
  padding-block: var(--space-lg);
  border-block-start: var(--rule-hair) solid var(--color-rule);
}

.inside__item:last-child {
  border-block-end: var(--rule-hair) solid var(--color-rule);
}

.inside__icon {
  display: grid;
  width: 1.75rem;
  height: 1.75rem;
  place-items: center;
  border-radius: var(--radius-pill);
  background: var(--color-navy);
  color: var(--color-teal-pale);
}

.inside__icon svg {
  width: 0.85rem;
  height: 0.85rem;
}

.inside__title {
  color: var(--color-navy);
  font-size: var(--text-md);
  font-weight: 700;
  line-height: 1.35;
}

.inside__body {
  grid-column: 2;
  margin-block-start: var(--space-xs);
  color: var(--color-muted);
  font-size: var(--text-base);
}

.audience {
  padding-block: clamp(var(--space-3xl), 9vw, var(--space-4xl));
}

.audience h2 {
  max-width: 15ch;
}

.audience__list {
  margin-block-start: var(--space-2xl);
  border-block-start: var(--rule-hair) solid var(--color-rule-dark);
}

.audience__item {
  display: grid;
  grid-template-columns: 1.25rem minmax(0, 1fr);
  gap: var(--space-md);
  padding-block: var(--space-lg);
  border-block-end: var(--rule-hair) solid var(--color-rule-dark);
  color: var(--color-on-dark);
  font-size: var(--text-md);
  font-weight: 700;
}

.audience__mark {
  color: var(--color-teal);
}

.author {
  background: var(--color-paper-warm);
  color: var(--color-ink);
}

.author__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  align-items: center;
  gap: var(--space-2xl);
}

.author__portrait {
  width: min(80vw, 22rem);
  justify-self: center;
}

.author__portrait img {
  width: 100%;
  height: auto;
  border-radius: var(--radius-md);
}

.author__role {
  margin-block-start: var(--space-sm);
  color: var(--color-teal-deep);
  font-weight: 700;
}

.author__copy {
  display: grid;
  gap: var(--space-lg);
  margin-block-start: var(--space-xl);
  color: var(--color-muted);
  font-size: var(--text-md);
}

.author__origin {
  padding-block: var(--space-lg);
  border-block: var(--rule-hair) solid var(--color-rule);
  color: var(--color-navy);
  font-weight: 600;
}

.download {
  border-block-start: 0.25rem solid var(--color-teal);
  background: var(--color-paper-raised);
  color: var(--color-ink);
}

.download__intro {
  max-width: 38rem;
}

.download__intro p {
  margin-block-start: var(--space-md);
  color: var(--color-muted);
  font-size: var(--text-md);
}

.download-form {
  display: grid;
  gap: var(--space-md);
  margin-block-start: var(--space-xl);
}

.form-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-md);
}

.form-field {
  min-width: 0;
}

.form-field label {
  display: block;
  margin-block-end: var(--space-xs);
  color: var(--color-navy);
  font-size: var(--text-sm);
  font-weight: 700;
}

.required-mark {
  color: var(--color-magenta-deep);
}

.form-field input {
  width: 100%;
  height: 3rem;
  padding: 0 var(--space-md);
  border: var(--rule-hair) solid var(--color-rule);
  border-radius: var(--radius-sm);
  outline: 2px solid transparent;
  outline-offset: 1px;
  background: var(--color-paper-raised);
  color: var(--color-navy);
  font-family: var(--font-body);
  font-size: var(--text-base);
  transition: background-color var(--dur-short) var(--ease-out), border-color var(--dur-short) var(--ease-out);
}

.form-field input::placeholder {
  color: var(--color-muted);
  opacity: 1;
}

.form-field input:focus-visible {
  border-color: var(--color-teal-deep);
  outline-color: var(--color-focus);
}

.form-field input[aria-invalid="true"] {
  border-color: var(--color-error);
  outline-color: var(--color-error);
}

.form-field input:disabled {
  cursor: not-allowed;
  opacity: 0.55;
}

.form-helper {
  min-height: 1.5rem;
  padding-block-start: var(--space-2xs);
  color: var(--color-muted);
  font-size: var(--text-sm);
}

.form-error {
  color: var(--color-error);
  font-weight: 600;
}

.form-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-md);
  margin-block-start: var(--space-xs);
}

.form-note {
  max-width: 30rem;
  color: var(--color-muted);
  font-size: var(--text-sm);
}

.form-status {
  min-height: 1.5rem;
  color: var(--color-error);
  font-size: var(--text-sm);
  font-weight: 600;
}

.honeypot {
  position: absolute;
  inset-inline-start: -5000px;
}

.charity {
  display: grid;
  grid-template-columns: 2.75rem minmax(0, 1fr);
  gap: var(--space-md);
  margin-block-start: var(--space-2xl);
  padding: var(--space-lg);
  border-radius: var(--radius-md);
  background: var(--color-teal-pale);
  color: var(--color-ink);
}

.charity__mark {
  display: grid;
  width: 2.75rem;
  height: 2.75rem;
  place-items: center;
  border-radius: var(--radius-pill);
  background: var(--color-navy);
  color: var(--color-on-dark);
}

.charity__mark svg {
  width: 1.25rem;
  height: 1.25rem;
}

.charity h3 {
  color: var(--color-navy);
  font-size: var(--text-md);
  line-height: 1.35;
}

.charity p {
  margin-block-start: var(--space-xs);
  color: var(--color-muted);
}

.text-link {
  display: inline-flex;
  min-height: 2.75rem;
  align-items: center;
  color: var(--color-teal-deep);
  font-weight: 700;
  text-underline-offset: 0.22em;
}

.success-state {
  padding-block: var(--space-md);
  outline: none;
}

.success-state:focus-visible {
  outline: none;
}

.success-state__icon {
  display: grid;
  width: 3.5rem;
  height: 3.5rem;
  place-items: center;
  margin-block-end: var(--space-lg);
  border-radius: var(--radius-pill);
  background: var(--color-success);
  color: var(--color-on-dark);
}

.success-state__icon svg {
  width: 1.5rem;
  height: 1.5rem;
}

.success-state h2 {
  font-size: var(--text-2xl);
}

.success-state__body {
  max-width: 34rem;
  margin-block-start: var(--space-md);
  color: var(--color-muted);
  font-size: var(--text-md);
}

.success-state__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-md);
  margin-block-start: var(--space-xl);
}

.success-state__charity {
  max-width: 38rem;
  margin-block-start: var(--space-xl);
  padding-block-start: var(--space-lg);
  border-block-start: var(--rule-hair) solid var(--color-rule);
  color: var(--color-muted);
  font-size: var(--text-sm);
}

.site-footer {
  padding-block: var(--space-xl);
}

.foot-line {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  padding-block-start: var(--space-lg);
  border-block-start: var(--rule-hair) solid var(--color-rule-dark);
}

.foot-line__logo {
  width: 6.25rem;
  height: auto;
}

.foot-line__meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm) var(--space-lg);
  color: var(--color-on-dark-muted);
  font-size: var(--text-sm);
}

.site-footer a {
  min-height: 2.75rem;
  align-items: center;
  text-underline-offset: 0.22em;
}

:focus-visible {
  outline: 2px solid var(--color-focus);
  outline-offset: 3px;
}

.button:focus-visible,
.nav-edge__logo-link:focus-visible,
.nav-edge__cta:focus-visible {
  outline: 2px solid var(--color-paper);
  outline-offset: 2px;
  box-shadow: 0 0 0 4px var(--color-focus);
}

@media (hover: hover) and (pointer: fine) {
  .nav-edge__cta:hover {
    background: var(--color-on-dark);
    color: var(--color-navy);
    transform: translateY(-1px);
  }

  .button--primary:hover {
    background: var(--color-magenta-deep);
    transform: translateY(-1px);
  }

  .button--secondary:hover {
    background: var(--color-teal-pale);
  }

  .form-field input:hover {
    background: var(--color-paper-cool);
  }

  .text-link:hover,
  .site-footer a:hover {
    text-decoration-thickness: 2px;
  }
}

.nav-edge__cta:active,
.button:active {
  transform: translateY(1px);
}

@media (min-width: 40rem) {
  .trust__list {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .form-row {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .foot-line {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }
}

@media (min-width: 60rem) {
  .hero__grid {
    grid-template-columns: minmax(0, 1.35fr) minmax(17rem, 0.65fr);
    gap: clamp(var(--space-2xl), 8vw, var(--space-4xl));
  }

  .book-figure {
    width: min(100%, 20rem);
    justify-self: end;
  }

  .argument__grid {
    grid-template-columns: minmax(19rem, 0.9fr) minmax(0, 1.1fr);
    gap: clamp(var(--space-xl), 6vw, var(--space-3xl));
    align-items: start;
  }

  .argument__focus {
    grid-template-areas: "diagram quote";
    grid-template-columns: minmax(14rem, 0.65fr) minmax(0, 1.35fr);
    align-items: center;
    gap: clamp(var(--space-2xl), 7vw, var(--space-4xl));
  }

  .argument__pull {
    grid-area: quote;
  }

  .primefocus-figure {
    grid-area: diagram;
    width: min(100%, 18rem);
  }

  .inside__intro {
    grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
    align-items: end;
  }

  .inside__item {
    grid-template-columns: 2rem minmax(15rem, 0.75fr) minmax(0, 1.25fr);
    gap: var(--space-lg);
    align-items: start;
  }

  .inside__body {
    grid-column: 3;
    margin-block-start: 0;
  }

  .audience__item {
    grid-template-columns: 1.5rem minmax(0, 1fr);
    padding-block: var(--space-xl);
    font-size: var(--text-lg);
  }

  .author__grid {
    grid-template-columns: minmax(17rem, 0.75fr) minmax(0, 1.25fr);
    gap: var(--space-3xl);
  }

  .author__portrait {
    width: min(100%, 21rem);
    justify-self: start;
  }
}

@media (min-width: 90rem) {
  .hero__grid {
    gap: var(--space-4xl);
  }
}

@media (pointer: coarse) {
  .button,
  .nav-edge__cta,
  .text-link,
  .site-footer a {
    min-height: 3rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 150ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 150ms !important;
  }
}

@media print {
  .site-header,
  .hero__actions,
  .download,
  .site-footer {
    display: none;
  }

  .hero,
  .audience {
    background: var(--color-paper);
    color: var(--color-navy);
  }

  .hero__subtitle,
  .hero__quote cite,
  .book-figure figcaption,
  .audience__item {
    color: var(--color-ink);
  }
}