/* ==========================================================================
   Conquering the Coffeehouse — stylesheet
   Foundation → Layout → Components → Sections → Responsive
   ========================================================================== */

/* ---------- Foundation ---------- */

:root {
  /* Palette — sampled directly from the book's cover art */
  --brown-900: #23170b;
  --brown-800: #352412;
  --brown-700: #4a3319;
  --brown-600: #6b4a26;

  --orange-800: #952f18;
  --orange-600: #d3822a;
  --orange-500: #e2963f;
  --orange-300: #f0c891;

  --cream-50: #fffaf1;
  --cream-100: #fbf1de;
  --cream-200: #f3e3c4;

  --ink-900: #251a0e;
  --ink-600: #5b4630;
  --ink-400: #8a765d;

  --success-line: #3f6b3a;

  --font-display: "Anton", "Arial Narrow", sans-serif;
  --font-body: "Karla", "Segoe UI", system-ui, sans-serif;

  --content-width: 1160px;
  --content-narrow: 760px;

  --space-1: 0.5rem;
  --space-2: 1rem;
  --space-3: 1.5rem;
  --space-4: 2.5rem;
  --space-5: 4rem;
  --space-6: 6rem;

  --radius-sm: 6px;
  --radius-md: 14px;
  --radius-lg: 28px;

  --shadow-card: 0 12px 30px -14px rgba(35, 23, 11, 0.45);
  --shadow-pop: 0 18px 40px -12px rgba(35, 23, 11, 0.55);
}

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

html {
  scroll-behavior: smooth;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

body {
  margin: 0;
  background: var(--cream-50);
  color: var(--ink-900);
  font-family: var(--font-body);
  font-size: 1.0625rem;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

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

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 400;
  letter-spacing: 0.01em;
  line-height: 1.08;
  color: var(--brown-900);
  margin: 0 0 var(--space-2);
  text-wrap: balance;
}

h1 { font-size: clamp(2.6rem, 5.5vw, 4.4rem); }
h2 { font-size: clamp(2rem, 4vw, 2.9rem); }
h3 { font-size: clamp(1.4rem, 2.4vw, 1.75rem); }
h4 { font-size: 1.15rem; letter-spacing: 0.06em; text-transform: uppercase; }

p {
  margin: 0 0 var(--space-2);
  max-width: 65ch;
}

a {
  color: var(--orange-800);
  text-decoration-thickness: 1.5px;
  text-underline-offset: 3px;
}

a:hover { color: var(--brown-900); }

a:focus-visible,
button:focus-visible,
input:focus-visible {
  outline: 3px solid var(--orange-600);
  outline-offset: 3px;
}

ul, ol {
  padding-left: 1.3em;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

.eyebrow {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 0.85rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--orange-800);
  margin-bottom: var(--space-1);
}

.eyebrow--light {
  color: var(--orange-500);
}

/* ---------- Layout ---------- */

.wrap {
  width: 100%;
  max-width: var(--content-width);
  margin-inline: auto;
  padding-inline: var(--space-3);
}

.wrap--narrow {
  max-width: var(--content-narrow);
}

.section {
  padding-block: var(--space-6);
}

.section--cream {
  background: var(--cream-100);
}

.section--dark {
  background: var(--brown-900);
  color: var(--cream-100);
  background-image: radial-gradient(circle at 15% 20%, rgba(211, 130, 42, 0.16), transparent 55%);
}

.section--dark h2,
.section--dark h3 {
  color: var(--cream-50);
}

.section--dark p {
  color: var(--cream-200);
}

.section-head {
  max-width: 42rem;
  margin-bottom: var(--space-4);
}

.section-head--center {
  margin-inline: auto;
  text-align: center;
}

/* ---------- Buttons ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5em;
  font-family: var(--font-display);
  font-size: 1.05rem;
  letter-spacing: 0.02em;
  padding: 0.9em 1.7em;
  border-radius: var(--radius-sm);
  border: 2px solid transparent;
  cursor: pointer;
  text-decoration: none;
  line-height: 1;
  transition: transform 0.15s ease, background-color 0.15s ease, box-shadow 0.15s ease, color 0.15s ease;
}

.btn:hover {
  transform: translateY(-2px);
}

.btn-primary {
  background: var(--orange-600);
  color: var(--brown-900);
  box-shadow: var(--shadow-card);
}

.btn-primary:hover {
  background: var(--orange-500);
  color: var(--brown-900);
}

.btn-group {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  align-items: center;
}

/* ---------- Hero ---------- */

.hero {
  padding-block: var(--space-6) var(--space-5);
  background: linear-gradient(180deg, var(--cream-100) 0%, var(--cream-50) 65%);
}

.hero--photo {
  position: relative;
  overflow: hidden;
  min-height: 560px;
  display: flex;
  align-items: center;
  padding-block: var(--space-6);
  background: var(--brown-900);
}

.hero__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero__bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.hero__scrim {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    90deg,
    rgba(35, 23, 11, 0.88) 0%,
    rgba(35, 23, 11, 0.72) 32%,
    rgba(35, 23, 11, 0.28) 58%,
    rgba(35, 23, 11, 0) 78%
  );
}

.hero--photo .wrap {
  position: relative;
  z-index: 1;
}

.hero--photo .hero__copy {
  max-width: 34rem;
}

.hero__kicker {
  font-family: var(--font-display);
  color: var(--orange-500);
  letter-spacing: 0.03em;
  font-size: 1.1rem;
  margin-bottom: var(--space-1);
}

.hero--photo h1 {
  color: var(--cream-50);
}

.hero__lede {
  font-size: 1.2rem;
  color: var(--cream-200);
  max-width: 46ch;
}

/* ---------- Benefit list ---------- */

.benefits {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-3) var(--space-4);
  list-style: none;
  padding: 0;
  margin: 0;
}

.benefits li {
  display: flex;
  gap: 0.85rem;
  align-items: flex-start;
  padding: var(--space-2);
  background: var(--cream-50);
  border: 1px solid var(--cream-200);
  border-radius: var(--radius-sm);
}

.benefits__mark {
  flex-shrink: 0;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--orange-600);
  color: var(--brown-900);
  font-family: var(--font-display);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.95rem;
}

.benefits p {
  margin: 0;
  font-size: 0.98rem;
}

/* ---------- Do's & Don'ts grid ---------- */

.dnd-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-3);
}

.dnd-grid--pair {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  max-width: 640px;
  margin-inline: auto;
}

.dnd-card {
  background: var(--cream-50);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  border: 1px solid var(--cream-200);
}

.dnd-card__image {
  aspect-ratio: 700 / 851;
  overflow: hidden;
  background: var(--cream-50);
}

.dnd-card__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top center;
}

.dnd-card__label {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: var(--space-2) var(--space-2) 0.2rem;
}

.dnd-card__tag {
  font-family: var(--font-display);
  font-size: 0.85rem;
  letter-spacing: 0.04em;
  padding: 0.15rem 0.6rem;
  border-radius: 999px;
  color: var(--cream-50);
}

.dnd-card--do .dnd-card__tag {
  background: var(--success-line);
}

.dnd-card--dont .dnd-card__tag {
  background: var(--orange-800);
}

.dnd-card__caption {
  padding: 0.3rem var(--space-2) var(--space-2);
  font-weight: 700;
  color: var(--ink-900);
  font-size: 1rem;
}

/* ---------- Excerpt block ---------- */

.excerpt-block {
  background: var(--cream-50);
  border: 1px solid var(--cream-200);
  border-left: 6px solid var(--orange-600);
  border-radius: var(--radius-sm);
  padding: var(--space-4);
}

.excerpt-block p:last-child {
  margin-bottom: 0;
}

.excerpt-block--book p {
  max-width: none;
}

.chapter-label {
  font-family: var(--font-display);
  color: var(--orange-800);
  letter-spacing: 0.04em;
  margin-bottom: var(--space-1);
}

/* ---------- Table of contents ---------- */

.toc {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0;
  border-top: 1px solid var(--cream-200);
}

.toc li {
  display: flex;
  gap: 0.8rem;
  align-items: baseline;
  padding: 0.7rem 0.4rem;
  border-bottom: 1px solid var(--cream-200);
}

.toc__num {
  font-family: var(--font-display);
  color: var(--orange-600);
  font-size: 1.05rem;
  min-width: 1.6em;
}

.toc__title {
  font-weight: 700;
  color: var(--ink-900);
}

.toc__appendix {
  grid-column: 1 / -1;
  background: var(--cream-100);
}

/* ---------- Appendix preview (Do's & Don'ts tucked under the TOC) ---------- */

.appendix-preview {
  margin-top: var(--space-4);
  padding-top: var(--space-4);
  border-top: 1px dashed var(--cream-200);
}

.appendix-preview__head {
  text-align: center;
  max-width: 32rem;
  margin: 0 auto var(--space-3);
}

.appendix-preview__head h3 {
  color: var(--brown-900);
  margin-bottom: 0.3rem;
}

.appendix-preview__head p {
  color: var(--ink-600);
  margin: 0 auto;
}

/* ---------- CTA band ---------- */

.cta-band {
  text-align: center;
}

.cta-band .section-head {
  margin-inline: auto;
}

/* ---------- Page hero (interior pages) ---------- */

.page-hero {
  padding-block: var(--space-5) var(--space-4);
  background: linear-gradient(180deg, var(--cream-100) 0%, var(--cream-50) 100%);
}

.page-hero__lede {
  font-size: 1.15rem;
  color: var(--ink-600);
  max-width: 60ch;
}

/* ---------- Reveal-on-scroll ---------- */

.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
  .reveal {
    opacity: 1;
    transform: none;
  }
}

/* ---------- Legal footer (fine print) ---------- */

.legal-footer {
  padding-block: var(--space-4);
  border-top: 1px solid var(--cream-200);
  background: var(--cream-50);
}

.legal-footer p {
  font-size: 0.82rem;
  line-height: 1.6;
  color: var(--ink-400);
  max-width: none;
}

.legal-footer p + p {
  margin-top: 0.6rem;
}

/* ==========================================================================
   Responsive
   ========================================================================== */

@media (max-width: 960px) {
  .dnd-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 720px) {
  .benefits {
    grid-template-columns: 1fr;
  }

  .dnd-grid {
    grid-template-columns: 1fr 1fr;
  }

  .toc {
    grid-template-columns: 1fr;
  }

  .hero--photo {
    min-height: 460px;
  }

  .hero__scrim {
    background: linear-gradient(
      180deg,
      rgba(35, 23, 11, 0.5) 0%,
      rgba(35, 23, 11, 0.85) 60%,
      rgba(35, 23, 11, 0.9) 100%
    );
  }
}

@media (max-width: 480px) {
  .dnd-grid {
    grid-template-columns: 1fr;
  }

  .hero--photo {
    min-height: 0;
  }

  .hero__scrim {
    background: linear-gradient(
      180deg,
      rgba(35, 23, 11, 0.55) 0%,
      rgba(35, 23, 11, 0.88) 55%,
      rgba(35, 23, 11, 0.92) 100%
    );
  }
}