/* =====================================================
   ADAM PATTERNAL — adampatternal.com
   Editorial author site — Cambria-first design system
   ===================================================== */

/* ---- Custom Properties ---- */
:root {
  --color-paper:       #F6F2EA;
  --color-ivory:       #FBF8F2;
  --color-ink:         #2F3441;
  --color-slate:       #4B5362;
  --color-gold:        #D6B062;
  --color-stone:       #D8CFC2;
  --color-line:        #CFC7BB;
  --color-muted:       #667086;
  --color-sand:        #E8D8B5;
  --color-taupe:       #B8AEA1;

  --font-serif: Cambria, Georgia, "Times New Roman", serif;

  --text-xs:    0.75rem;
  --text-sm:    0.875rem;
  --text-base:  1rem;
  --text-md:    1.125rem;
  --text-lg:    1.375rem;
  --text-xl:    1.75rem;
  --text-2xl:   2.25rem;
  --text-3xl:   3rem;
  --text-4xl:   3.75rem;

  --leading-tight:  1.2;
  --leading-snug:   1.4;
  --leading-base:   1.7;
  --leading-loose:  1.85;

  --space-xs:  0.5rem;
  --space-sm:  1rem;
  --space-md:  1.75rem;
  --space-lg:  3rem;
  --space-xl:  5rem;
  --space-2xl: 8rem;

  --container-max:    1200px;
  --container-narrow: 720px;

  --radius:     3px;
  --transition: 200ms ease;

  --shadow-soft: 0 2px 20px rgba(47, 52, 65, 0.07);
  --shadow-card: 0 1px 8px rgba(47, 52, 65, 0.06);
}

/* ---- Reset ---- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

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

body {
  font-family: var(--font-serif);
  font-size: var(--text-base);
  line-height: var(--leading-base);
  color: var(--color-ink);
  background-color: var(--color-paper);
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: inherit;
  text-decoration: none;
}

ul, ol { list-style: none; }

/* ---- Layout Utilities ---- */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: clamp(1.25rem, 5vw, 3rem);
}

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

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

/* ---- Typography Utilities ---- */
.label {
  font-family: var(--font-serif);
  font-size: var(--text-xs);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-muted);
  margin-bottom: var(--space-md);
  display: block;
}

.section-sub {
  font-family: var(--font-serif);
  font-size: var(--text-lg);
  color: var(--color-muted);
  line-height: var(--leading-snug);
  margin-bottom: var(--space-md);
}

.section-body {
  font-family: var(--font-serif);
  font-size: var(--text-md);
  line-height: var(--leading-loose);
  color: var(--color-slate);
  margin-bottom: var(--space-lg);
}

.section-rule {
  display: block;
  width: 3rem;
  height: 1px;
  background: var(--color-gold);
  margin-block: var(--space-lg);
}

/* ---- Focus Styles ---- */
:focus-visible {
  outline: 2px solid var(--color-gold);
  outline-offset: 3px;
}

/* ---- Buttons ---- */
.btn {
  display: inline-block;
  font-family: var(--font-serif);
  font-size: var(--text-sm);
  letter-spacing: 0.06em;
  padding: 0.75rem 1.75rem;
  border-radius: var(--radius);
  border: none;
  cursor: pointer;
  transition: background-color var(--transition), color var(--transition), box-shadow var(--transition);
  text-align: center;
  white-space: nowrap;
}

.btn-primary {
  background-color: var(--color-ink);
  color: var(--color-ivory);
}

.btn-primary:hover,
.btn-primary:focus-visible {
  background-color: var(--color-slate);
  box-shadow: var(--shadow-soft);
}

.btn-large {
  font-size: var(--text-base);
  padding: 1rem 2.5rem;
  letter-spacing: 0.05em;
}

.link-subtle {
  font-family: var(--font-serif);
  font-size: var(--text-sm);
  color: var(--color-muted);
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: color var(--transition);
}

.link-subtle:hover,
.link-subtle:focus-visible {
  color: var(--color-ink);
}

/* ============================================================
   HEADER
   ============================================================ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: var(--color-paper);
  border-bottom: 1px solid transparent;
  transition: border-color var(--transition), box-shadow var(--transition);
}

.site-header.scrolled {
  border-bottom-color: var(--color-line);
  box-shadow: 0 1px 12px rgba(47, 52, 65, 0.05);
}

.header-inner {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding-block: 1.125rem;
}

.site-brand {
  font-family: var(--font-serif);
  font-size: var(--text-base);
  font-weight: normal;
  letter-spacing: 0.03em;
  color: var(--color-ink);
  margin-right: auto;
  flex-shrink: 0;
}

.site-nav ul {
  display: flex;
  gap: var(--space-md);
}

.site-nav a {
  font-family: var(--font-serif);
  font-size: var(--text-sm);
  color: var(--color-slate);
  letter-spacing: 0.03em;
  transition: color var(--transition);
}

.site-nav a:hover,
.site-nav a:focus-visible {
  color: var(--color-ink);
}

.header-cta {
  flex-shrink: 0;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 2rem;
  height: 2rem;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
  flex-shrink: 0;
}

.nav-toggle span {
  display: block;
  width: 100%;
  height: 1px;
  background-color: var(--color-ink);
  transition: transform var(--transition), opacity var(--transition);
}

.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

.mobile-nav-drawer {
  background-color: var(--color-ivory);
  border-top: 1px solid var(--color-line);
  padding: var(--space-md) clamp(1.25rem, 5vw, 3rem) var(--space-lg);
}

.mobile-nav-drawer ul {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.mobile-nav-drawer a {
  font-family: var(--font-serif);
  font-size: var(--text-md);
  color: var(--color-slate);
  display: block;
  padding-block: 0.375rem;
}

.mobile-nav-drawer .btn {
  margin-top: var(--space-sm);
  display: inline-block;
}

/* ============================================================
   HERO
   ============================================================ */
.hero {
  background-color: var(--color-ivory);
  padding-block: var(--space-2xl);
  overflow: hidden;
}

.hero-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(2rem, 6vw, 5rem);
  align-items: center;
}

.hero-text .label {
  margin-bottom: var(--space-md);
}

.hero-text h1 {
  font-family: var(--font-serif);
  font-size: clamp(var(--text-2xl), 4vw, var(--text-4xl));
  line-height: var(--leading-tight);
  font-weight: normal;
  color: var(--color-ink);
  margin-bottom: var(--space-md);
  letter-spacing: -0.01em;
}

.hero-body {
  font-family: var(--font-serif);
  font-size: var(--text-md);
  color: var(--color-slate);
  line-height: var(--leading-loose);
  margin-bottom: var(--space-md);
}

.hero-subtitle {
  font-family: var(--font-serif);
  font-size: var(--text-lg);
  color: var(--color-gold);
  font-style: italic;
  line-height: var(--leading-snug);
  margin-bottom: var(--space-lg);
  padding-left: 1rem;
  border-left: 2px solid var(--color-gold);
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  flex-wrap: wrap;
}

/* Hero Visual */
.hero-visual {
  position: relative;
  display: flex;
  justify-content: flex-end;
  align-items: flex-end;
  min-height: 520px;
}

.hero-portrait-wrap {
  position: relative;
  z-index: 1;
  width: 62%;
  border: 1px solid var(--color-line);
  box-shadow: var(--shadow-soft);
  background-color: var(--color-stone);
  overflow: hidden;
}

.hero-portrait {
  width: 100%;
  height: 480px;
  object-fit: cover;
  object-position: center top;
  display: block;
}

.hero-cover-wrap {
  position: absolute;
  bottom: -1.5rem;
  left: 0;
  z-index: 2;
  width: 42%;
  background-color: var(--color-ivory);
  border: 1px solid var(--color-line);
  box-shadow: 0 6px 32px rgba(47, 52, 65, 0.12);
  padding: 0.75rem;
}

.hero-cover {
  width: 100%;
  height: auto;
  display: block;
  object-fit: contain;
}

/* ============================================================
   AUTHOR NARRATIVE
   ============================================================ */
.author-narrative {
  background-color: var(--color-paper);
}

.author-narrative h2 {
  font-family: var(--font-serif);
  font-size: var(--text-2xl);
  font-weight: normal;
  line-height: var(--leading-snug);
  color: var(--color-ink);
  margin-bottom: var(--space-md);
  letter-spacing: -0.01em;
}

.narrative-body {
  margin-bottom: var(--space-md);
}

.narrative-body p {
  font-family: var(--font-serif);
  font-size: var(--text-md);
  line-height: var(--leading-loose);
  color: var(--color-slate);
  margin-bottom: var(--space-sm);
}

.narrative-body p:last-child {
  margin-bottom: 0;
}

.social-follow {
  font-family: var(--font-serif);
  font-size: var(--text-sm);
  color: var(--color-taupe);
  letter-spacing: 0.02em;
  margin-top: var(--space-md);
}

.social-follow a {
  color: var(--color-muted);
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: color var(--transition);
}

.social-follow a:hover,
.social-follow a:focus-visible {
  color: var(--color-ink);
}

/* ============================================================
   SHORTCUTS SECTION
   ============================================================ */
.shortcuts-section {
  background-color: var(--color-ivory);
  text-align: center;
}

.shortcuts-section h2 {
  font-family: var(--font-serif);
  font-size: clamp(var(--text-xl), 3vw, var(--text-3xl));
  font-weight: normal;
  line-height: var(--leading-tight);
  color: var(--color-ink);
  margin-bottom: var(--space-sm);
  letter-spacing: -0.01em;
}

.shortcuts-section .section-sub {
  margin-bottom: var(--space-md);
}

.shortcuts-section .section-rule {
  margin-inline: auto;
}

.price-block {
  display: inline-flex;
  align-items: baseline;
  gap: 0.75rem;
  background-color: var(--color-paper);
  border: 1px solid var(--color-line);
  padding: 0.875rem 1.75rem;
  margin-bottom: var(--space-md);
  border-radius: var(--radius);
}

.price-label {
  font-family: var(--font-serif);
  font-size: var(--text-sm);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-muted);
}

.price-amount {
  font-family: var(--font-serif);
  font-size: var(--text-2xl);
  color: var(--color-ink);
  letter-spacing: -0.01em;
}

/* ============================================================
   WHAT'S INSIDE
   ============================================================ */
.inside-section {
  background-color: var(--color-paper);
}

.inside-section h2 {
  font-family: var(--font-serif);
  font-size: clamp(var(--text-xl), 3vw, var(--text-2xl));
  font-weight: normal;
  color: var(--color-ink);
  margin-bottom: var(--space-sm);
  letter-spacing: -0.01em;
}

.inside-section .section-sub {
  margin-bottom: var(--space-lg);
}

.inside-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1.25rem;
}

.inside-card {
  background-color: var(--color-ivory);
  border: 1px solid var(--color-line);
  padding: var(--space-md) var(--space-md) var(--space-lg);
  border-radius: var(--radius);
  box-shadow: var(--shadow-card);
}

.inside-card h3 {
  font-family: var(--font-serif);
  font-size: var(--text-base);
  font-weight: normal;
  color: var(--color-ink);
  margin-bottom: var(--space-xs);
  letter-spacing: 0.01em;
  border-bottom: 1px solid var(--color-sand);
  padding-bottom: 0.5rem;
}

.inside-card p {
  font-family: var(--font-serif);
  font-size: var(--text-sm);
  line-height: var(--leading-base);
  color: var(--color-slate);
  margin-top: var(--space-xs);
}

/* ============================================================
   CENTRAL IDEA
   ============================================================ */
.central-idea {
  background-color: var(--color-ivory);
}

.central-idea h2 {
  font-family: var(--font-serif);
  font-size: clamp(var(--text-xl), 3vw, var(--text-2xl));
  font-weight: normal;
  color: var(--color-ink);
  line-height: var(--leading-snug);
  margin-bottom: var(--space-lg);
  letter-spacing: -0.01em;
  max-width: var(--container-narrow);
}

.shortcut-panels {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  max-width: var(--container-narrow);
  margin-bottom: var(--space-lg);
}

.shortcut-panel {
  padding: var(--space-md);
  border-radius: var(--radius);
  border: 1px solid var(--color-line);
}

.shortcut-panel--false {
  background-color: var(--color-paper);
  border-left: 3px solid var(--color-taupe);
}

.shortcut-panel--real {
  background-color: var(--color-paper);
  border-left: 3px solid var(--color-gold);
}

.panel-label {
  display: block;
  font-family: var(--font-serif);
  font-size: var(--text-xs);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  margin-bottom: var(--space-sm);
}

.shortcut-panel--false .panel-label { color: var(--color-taupe); }
.shortcut-panel--real  .panel-label { color: var(--color-gold);  }

.shortcut-panel p {
  font-family: var(--font-serif);
  font-size: var(--text-sm);
  line-height: var(--leading-base);
  color: var(--color-slate);
}

.central-close {
  font-family: var(--font-serif);
  font-size: var(--text-lg);
  color: var(--color-ink);
  font-style: italic;
  max-width: var(--container-narrow);
}

/* ============================================================
   METHOD
   ============================================================ */
.method-section {
  background-color: var(--color-paper);
}

.method-section h2 {
  font-family: var(--font-serif);
  font-size: clamp(var(--text-lg), 2.5vw, var(--text-xl));
  font-weight: normal;
  color: var(--color-ink);
  margin-bottom: var(--space-md);
  letter-spacing: 0;
}

.method-body p {
  font-family: var(--font-serif);
  font-size: var(--text-sm);
  line-height: var(--leading-loose);
  color: var(--color-muted);
  margin-bottom: var(--space-sm);
}

.method-body p:last-child {
  margin-bottom: 0;
}

/* ============================================================
   FAQ
   ============================================================ */
.faq-section {
  background-color: var(--color-ivory);
}

.faq-section h2 {
  font-family: var(--font-serif);
  font-size: clamp(var(--text-xl), 3vw, var(--text-2xl));
  font-weight: normal;
  color: var(--color-ink);
  margin-bottom: var(--space-lg);
  letter-spacing: -0.01em;
}

.faq-list {
  border-top: 1px solid var(--color-line);
}

.faq-item {
  border-bottom: 1px solid var(--color-line);
}

.faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 100%;
  padding: var(--space-md) 0;
  background: none;
  border: none;
  cursor: pointer;
  text-align: left;
  font-family: var(--font-serif);
  font-size: var(--text-base);
  line-height: var(--leading-snug);
  color: var(--color-ink);
  gap: var(--space-sm);
  transition: color var(--transition);
}

.faq-question:hover {
  color: var(--color-slate);
}

.faq-icon {
  flex-shrink: 0;
  width: 1.25rem;
  height: 1.25rem;
  position: relative;
}

.faq-icon::before,
.faq-icon::after {
  content: '';
  position: absolute;
  background-color: var(--color-gold);
  border-radius: 1px;
  transition: transform var(--transition), opacity var(--transition);
}

.faq-icon::before {
  width: 100%;
  height: 1px;
  top: 50%;
  left: 0;
  transform: translateY(-50%);
}

.faq-icon::after {
  width: 1px;
  height: 100%;
  left: 50%;
  top: 0;
  transform: translateX(-50%);
}

.faq-question[aria-expanded="true"] .faq-icon::after {
  transform: translateX(-50%) rotate(90deg);
  opacity: 0;
}

.faq-answer {
  overflow: hidden;
}

.faq-answer[hidden] {
  display: none;
}

.faq-answer-inner {
  font-family: var(--font-serif);
  font-size: var(--text-base);
  line-height: var(--leading-loose);
  color: var(--color-slate);
  padding-bottom: var(--space-md);
  padding-right: 2rem;
}

/* ============================================================
   FINAL CTA
   ============================================================ */
.final-cta {
  background-color: var(--color-ink);
}

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

.final-cta h2 {
  font-family: var(--font-serif);
  font-size: clamp(var(--text-xl), 3.5vw, var(--text-3xl));
  font-weight: normal;
  color: var(--color-ivory);
  line-height: var(--leading-tight);
  margin-bottom: var(--space-md);
  letter-spacing: -0.01em;
}

.cta-body {
  font-family: var(--font-serif);
  font-size: var(--text-md);
  color: var(--color-stone);
  margin-bottom: var(--space-lg);
  line-height: var(--leading-snug);
}

.final-cta .btn-primary {
  background-color: var(--color-gold);
  color: var(--color-ink);
  margin-bottom: var(--space-md);
}

.final-cta .btn-primary:hover,
.final-cta .btn-primary:focus-visible {
  background-color: var(--color-sand);
}

.cta-descriptor {
  font-family: var(--font-serif);
  font-size: var(--text-sm);
  color: var(--color-taupe);
  letter-spacing: 0.04em;
  font-style: italic;
}

/* ============================================================
   FOOTER
   ============================================================ */
.site-footer {
  background-color: var(--color-paper);
  border-top: 1px solid var(--color-line);
  padding-block: var(--space-lg) var(--space-md);
}

.footer-inner {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: start;
  gap: var(--space-md);
}

.footer-brand {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.footer-name {
  font-family: var(--font-serif);
  font-size: var(--text-base);
  color: var(--color-ink);
  letter-spacing: 0.02em;
}

.footer-product {
  font-family: var(--font-serif);
  font-size: var(--text-sm);
  color: var(--color-muted);
  font-style: italic;
}

.footer-email {
  font-family: var(--font-serif);
  font-size: var(--text-sm);
  color: var(--color-muted);
  text-decoration: underline;
  text-underline-offset: 3px;
  margin-top: 0.25rem;
  transition: color var(--transition);
  display: inline-block;
}

.footer-email:hover,
.footer-email:focus-visible {
  color: var(--color-ink);
}

.footer-social {
  font-family: var(--font-serif);
  font-size: var(--text-sm);
  color: var(--color-taupe);
  text-align: center;
  padding-top: 0.125rem;
}

.footer-social a {
  color: var(--color-muted);
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: color var(--transition);
}

.footer-social a:hover,
.footer-social a:focus-visible {
  color: var(--color-ink);
}

.footer-legal {
  text-align: right;
}

.footer-legal p {
  font-family: var(--font-serif);
  font-size: var(--text-xs);
  color: var(--color-taupe);
  line-height: var(--leading-base);
}

.footer-disclaimer {
  margin-top: 0.25rem;
  font-style: italic;
}

/* ============================================================
   RESPONSIVE
   ============================================================ */

/* Tablet — 1024px */
@media (max-width: 1024px) {
  .hero-inner {
    gap: clamp(1.5rem, 4vw, 3rem);
  }

  .hero-portrait {
    height: 400px;
  }

  .hero-visual {
    min-height: 420px;
  }

  .inside-cards {
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  }
}

/* Small tablet — 768px */
@media (max-width: 768px) {
  :root {
    --space-xl:  3.5rem;
    --space-2xl: 5rem;
  }

  .site-nav,
  .header-cta {
    display: none;
  }

  .nav-toggle {
    display: flex;
  }

  .hero-inner {
    grid-template-columns: 1fr;
  }

  .hero-visual {
    order: -1;
    min-height: 340px;
    justify-content: center;
  }

  .hero-portrait-wrap {
    width: 55%;
  }

  .hero-portrait {
    height: 320px;
  }

  .hero-cover-wrap {
    width: 36%;
    bottom: -1rem;
    left: 4%;
  }

  .shortcut-panels {
    grid-template-columns: 1fr;
  }

  .footer-inner {
    grid-template-columns: 1fr;
    gap: var(--space-md);
    text-align: left;
  }

  .footer-social {
    text-align: left;
  }

  .footer-legal {
    text-align: left;
  }
}

/* Mobile — 390px */
@media (max-width: 480px) {
  :root {
    --space-xl:  2.75rem;
    --space-2xl: 4rem;
  }

  .hero-visual {
    min-height: 260px;
  }

  .hero-portrait-wrap {
    width: 58%;
  }

  .hero-portrait {
    height: 260px;
  }

  .hero-cover-wrap {
    width: 38%;
    left: 2%;
  }

  .hero-actions {
    flex-direction: column;
    align-items: flex-start;
  }

  .hero-actions .btn {
    width: 100%;
    text-align: center;
  }

  .inside-cards {
    grid-template-columns: 1fr;
  }

  .price-block {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.25rem;
  }

  .faq-answer-inner {
    padding-right: 0;
  }

  .shortcuts-section .btn {
    width: 100%;
    text-align: center;
  }

  .final-cta .btn-large {
    width: 100%;
    text-align: center;
  }
}

/* ============================================================
   PRINT
   ============================================================ */
@media print {
  .site-header,
  .nav-toggle,
  .mobile-nav-drawer,
  .hero-actions,
  .final-cta,
  .site-footer .footer-social { display: none; }

  body { font-size: 12pt; color: #000; background: #fff; }
  a { text-decoration: underline; color: #000; }
}