/* ==========================================================================
   TRELLIS PARCHMENT — styles.css
   Single stylesheet for the entire site.
   Edit the :root custom properties to change colors, type, or spacing
   without hunting through the rest of the file.
   ========================================================================== */

/* --------------------------------------------------------------------------
   Google Fonts
   -------------------------------------------------------------------------- */
@import url('https://fonts.googleapis.com/css2?family=Cormorant+Garamond:ital,wght@0,400;0,500;0,600;1,400;1,600&family=Crimson+Pro:ital,opsz,wght@0,6..72,300;0,6..72,400;1,6..72,300;1,6..72,400&display=swap');

/* --------------------------------------------------------------------------
   Design tokens
   -------------------------------------------------------------------------- */
:root {
  /* Colors */
  --color-parchment:     #f5efe0;   /* logo ivory — matches mark background */
  --color-parchment-dk:  #ede6d2;
  --color-green-nav:     #1e1408;   /* deep warm brown — nav, footer, CTAs */
  --color-green-accent:  #3a2817;   /* logo ink brown — links, kickers */
  --color-green-light:   #a08060;   /* warm tan — nav links, subdued text */
  --color-ink:           #2a1e10;   /* body text */
  --color-ink-mid:       #4a3828;
  --color-ink-light:     #7a6a50;
  --color-rule:          #d8c8a8;
  --color-amber:         #c4a460;   /* CTA accent — unchanged */
  --color-white:         #ffffff;

  /* Typography */
  --font-heading: 'Cormorant Garamond', Georgia, serif;
  --font-body:    'Crimson Pro', Georgia, serif;

  /* Type scale */
  --text-xs:   0.7rem;
  --text-sm:   0.85rem;
  --text-base: 1.05rem;
  --text-lg:   1.25rem;
  --text-xl:   1.65rem;
  --text-2xl:  2.2rem;
  --text-3xl:  2.8rem;

  /* Spacing */
  --space-1:  8px;
  --space-2:  16px;
  --space-3:  24px;
  --space-4:  32px;
  --space-5:  48px;
  --space-6:  64px;

  /* Layout */
  --max-width: 720px;
  --nav-height: 56px;
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-body);
  font-weight: 300;
  font-size: var(--text-base);
  line-height: 1.7;
  color: var(--color-ink);
  background: var(--color-parchment);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

a {
  color: var(--color-green-accent);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 2px;
  transition: color 0.15s ease;
}

a:hover {
  color: var(--color-green-nav);
}

/* --------------------------------------------------------------------------
   Layout utilities
   -------------------------------------------------------------------------- */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-3);
}

.section {
  padding: var(--space-6) 0;
}

.section--alt {
  background: var(--color-parchment-dk);
}

.section--dark {
  background: var(--color-green-nav);
  color: var(--color-parchment);
}

hr.rule {
  border: none;
  border-top: 1px solid var(--color-rule);
  margin: var(--space-5) 0;
}

/* --------------------------------------------------------------------------
   Navigation
   -------------------------------------------------------------------------- */
.site-nav {
  background: var(--color-green-nav);
  height: var(--nav-height);
  display: flex;
  align-items: center;
  position: sticky;
  top: 0;
  z-index: 100;
}

.site-nav .container {
  display: flex;
  align-items: center;
  width: 100%;
}

/* Wordmark — logo image in the nav */
.nav-wordmark {
  display: inline-flex;
  align-items: center;
  text-decoration: none;
  flex-shrink: 0;
}

.nav-wordmark img {
  height: 36px;
  width: auto;
  display: block;
  /* The horizontal logo has a parchment-coloured mark area — filter brightens
     it slightly so it reads cleanly on the dark nav background */
  filter: brightness(1.08);
}

.nav-wordmark:hover img {
  filter: brightness(1.18);
}

.nav-links {
  display: flex;
  gap: var(--space-3);
  margin-left: auto;
  list-style: none;
}

.nav-links a {
  font-family: var(--font-body);
  font-weight: 300;
  font-size: var(--text-xs);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-green-light);
  text-decoration: none;
  transition: color 0.15s ease;
}

.nav-links a:hover {
  color: var(--color-parchment);
}

/* Mobile nav toggle (hamburger) — hidden on desktop */
.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  margin-left: auto;
  padding: var(--space-1);
  flex-direction: column;
  gap: 5px;
}

.nav-toggle span {
  display: block;
  width: 22px;
  height: 1px;
  background: var(--color-green-light);
  transition: transform 0.2s ease, opacity 0.2s ease;
}

/* When nav is open on mobile */
.nav-open .nav-links {
  display: flex;
  flex-direction: column;
  position: absolute;
  top: var(--nav-height);
  left: 0;
  right: 0;
  background: var(--color-green-nav);
  padding: var(--space-2) var(--space-3) var(--space-3);
  gap: var(--space-2);
  border-top: 1px solid rgba(255,255,255,0.08);
}

/* --------------------------------------------------------------------------
   Typography — headings
   -------------------------------------------------------------------------- */
h1, h2, h3, h4, h5 {
  font-family: var(--font-heading);
  font-weight: 600;
  line-height: 1.2;
  color: var(--color-ink);
}

h1 { font-size: var(--text-2xl); }
h2 { font-size: var(--text-xl); }
h3 { font-size: var(--text-lg); }
h4 { font-size: var(--text-base); letter-spacing: 0.04em; }

/* Section kicker — small all-caps label above a heading */
.kicker {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 400;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--color-green-accent);
  display: block;
  margin-bottom: var(--space-1);
}

/* --------------------------------------------------------------------------
   Hero — homepage cover hero (Layout A)
   -------------------------------------------------------------------------- */
.hero {
  padding: var(--space-6) 0;
  background: var(--color-parchment);
}

.hero .container {
  display: grid;
  grid-template-columns: 260px 1fr;
  gap: var(--space-5);
  align-items: start;
}

.hero-cover {
  flex-shrink: 0;
}

.hero-cover img {
  width: 100%;
  box-shadow: 4px 8px 24px rgba(42, 34, 24, 0.22);
  border-radius: 2px;
}

.hero-content {
  padding-top: var(--space-2);
}

.hero-title {
  font-family: var(--font-heading);
  font-size: var(--text-2xl);
  font-weight: 600;
  color: var(--color-ink);
  line-height: 1.15;
  margin-bottom: var(--space-1);
}

.hero-subtitle {
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  font-weight: 400;
  font-style: italic;
  color: var(--color-ink-mid);
  margin-bottom: var(--space-1);
}

.hero-author {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 300;
  color: var(--color-ink-light);
  margin-bottom: var(--space-3);
  letter-spacing: 0.04em;
}

.hero-description {
  font-family: var(--font-body);
  font-weight: 300;
  font-size: var(--text-base);
  line-height: 1.75;
  color: var(--color-ink-mid);
  margin-bottom: var(--space-4);
}

/* --------------------------------------------------------------------------
   Buttons
   -------------------------------------------------------------------------- */
.btn {
  display: inline-block;
  font-family: var(--font-heading);
  font-weight: 500;
  font-size: var(--text-sm);
  letter-spacing: 0.08em;
  padding: 10px 24px;
  text-decoration: none;
  transition: background 0.15s ease, color 0.15s ease;
  border-radius: 1px;
  cursor: pointer;
  border: none;
}

.btn-primary {
  background: var(--color-green-nav);
  color: var(--color-parchment);
}

.btn-primary:hover {
  background: var(--color-green-accent);
  color: var(--color-parchment);
}

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

.btn-amber:hover {
  background: #b89450;
  color: var(--color-ink);
}

.btn-outline {
  background: transparent;
  color: var(--color-green-nav);
  border: 1px solid var(--color-green-nav);
}

.btn-outline:hover {
  background: var(--color-green-nav);
  color: var(--color-parchment);
}

/* --------------------------------------------------------------------------
   Editorial philosophy section
   -------------------------------------------------------------------------- */
.philosophy {
  background: var(--color-parchment-dk);
  padding: var(--space-6) 0;
  border-top: 1px solid var(--color-rule);
  border-bottom: 1px solid var(--color-rule);
}

.philosophy h2 {
  font-size: var(--text-xl);
  margin-bottom: var(--space-3);
}

.philosophy p {
  margin-bottom: var(--space-3);
  max-width: 66ch;
}

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

/* --------------------------------------------------------------------------
   Email capture / subscribe section
   -------------------------------------------------------------------------- */
.subscribe {
  background: var(--color-green-nav);
  padding: var(--space-5) 0;
}

.subscribe h2 {
  font-family: var(--font-heading);
  font-size: var(--text-xl);
  font-weight: 500;
  color: var(--color-parchment);
  margin-bottom: var(--space-1);
}

.subscribe-tagline {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 300;
  font-style: italic;
  color: var(--color-green-light);
  margin-bottom: var(--space-3);
}

/* Buttondown embed form — styled to match the site */
.subscribe-form {
  display: flex;
  gap: var(--space-2);
  flex-wrap: wrap;
  align-items: stretch;
  max-width: 480px;
}

.subscribe-form input[type="email"] {
  flex: 1;
  min-width: 200px;
  font-family: var(--font-body);
  font-weight: 300;
  font-size: var(--text-sm);
  padding: 10px 14px;
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.2);
  color: var(--color-parchment);
  border-radius: 1px;
  outline: none;
  transition: border-color 0.15s ease;
}

.subscribe-form input[type="email"]::placeholder {
  color: rgba(255,255,255,0.35);
}

.subscribe-form input[type="email"]:focus {
  border-color: var(--color-amber);
}

.subscribe-note {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  color: rgba(255,255,255,0.3);
  margin-top: var(--space-1);
}

/* --------------------------------------------------------------------------
   Catalogue / book cards
   -------------------------------------------------------------------------- */
.book-card {
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: var(--space-4);
  align-items: start;
  padding: var(--space-4) 0;
  border-bottom: 1px solid var(--color-rule);
}

.book-card:first-of-type {
  padding-top: 0;
}

.book-card-cover img {
  box-shadow: 2px 4px 12px rgba(42, 34, 24, 0.18);
  border-radius: 2px;
}

.book-card-title {
  font-family: var(--font-heading);
  font-size: var(--text-xl);
  font-weight: 600;
  color: var(--color-ink);
  line-height: 1.15;
  margin-bottom: var(--space-1);
}

.book-card-subtitle {
  font-family: var(--font-heading);
  font-size: var(--text-base);
  font-style: italic;
  color: var(--color-ink-mid);
  margin-bottom: var(--space-1);
}

.book-card-meta {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  color: var(--color-ink-light);
  letter-spacing: 0.06em;
  margin-bottom: var(--space-2);
}

.book-card-meta span + span::before {
  content: ' · ';
}

.book-card-description {
  font-weight: 300;
  margin-bottom: var(--space-3);
  max-width: 60ch;
}

/* --------------------------------------------------------------------------
   Book page (the-art-of-humanity.html)
   -------------------------------------------------------------------------- */
.book-hero {
  padding: var(--space-6) 0;
}

.book-hero .container {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: var(--space-5);
  align-items: start;
}

.book-hero-cover img {
  width: 100%;
  box-shadow: 6px 10px 32px rgba(42, 34, 24, 0.25);
  border-radius: 2px;
}

.book-hero-title {
  font-size: var(--text-3xl);
  line-height: 1.1;
  margin-bottom: var(--space-1);
}

.book-hero-subtitle {
  font-family: var(--font-heading);
  font-size: var(--text-xl);
  font-style: italic;
  font-weight: 400;
  color: var(--color-ink-mid);
  margin-bottom: var(--space-1);
}

.book-hero-author {
  font-size: var(--text-base);
  color: var(--color-ink-light);
  margin-bottom: var(--space-3);
}

.book-description {
  padding: var(--space-5) 0;
  border-top: 1px solid var(--color-rule);
}

.book-description p {
  margin-bottom: var(--space-3);
  max-width: 68ch;
}

.book-description p:last-child {
  margin-bottom: 0;
}

/* Pull quote */
.pull-quote {
  border-left: 3px solid var(--color-green-accent);
  padding-left: var(--space-3);
  margin: var(--space-4) 0;
  font-family: var(--font-heading);
  font-style: italic;
  font-size: var(--text-lg);
  color: var(--color-ink-mid);
  max-width: 56ch;
}

/* Reviews section — hidden pre-launch */
.reviews {
  padding: var(--space-5) 0;
  border-top: 1px solid var(--color-rule);
}

/* Add class="hidden" to .reviews div before launch.
   Remove it when you have real reviews to show. */
.hidden {
  display: none;
}

.review-item {
  margin-bottom: var(--space-4);
  padding-bottom: var(--space-4);
  border-bottom: 1px solid var(--color-rule);
}

.review-item:last-child {
  border-bottom: none;
}

.review-quote {
  font-family: var(--font-heading);
  font-style: italic;
  font-size: var(--text-lg);
  color: var(--color-ink-mid);
  margin-bottom: var(--space-1);
}

.review-attribution {
  font-size: var(--text-xs);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-ink-light);
}

/* --------------------------------------------------------------------------
   About page
   -------------------------------------------------------------------------- */
.about-intro {
  padding: var(--space-6) 0 var(--space-4);
}

.about-intro p {
  margin-bottom: var(--space-3);
  max-width: 68ch;
}

.founder-section {
  padding: var(--space-4) 0 var(--space-6);
  border-top: 1px solid var(--color-rule);
}

.founder-section p {
  margin-bottom: var(--space-3);
  max-width: 68ch;
}

/* --------------------------------------------------------------------------
   Contact page
   -------------------------------------------------------------------------- */
.contact-email {
  font-family: var(--font-heading);
  font-size: var(--text-xl);
  font-weight: 500;
  color: var(--color-green-nav);
  text-decoration: none;
  display: inline-block;
  margin: var(--space-3) 0;
  border-bottom: 1px solid var(--color-green-nav);
  padding-bottom: 2px;
  transition: color 0.15s ease, border-color 0.15s ease;
}

.contact-email:hover {
  color: var(--color-green-accent);
  border-color: var(--color-green-accent);
}

.contact-body p {
  margin-bottom: var(--space-3);
  max-width: 60ch;
}

/* --------------------------------------------------------------------------
   Footer
   -------------------------------------------------------------------------- */
.site-footer {
  background: var(--color-green-nav);
  padding: var(--space-4) 0;
  border-top: 2px solid rgba(255,255,255,0.06);
}

.site-footer .container {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.footer-copy {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  color: var(--color-green-light);
  flex: 1;
}

.footer-nav {
  display: flex;
  gap: var(--space-3);
  list-style: none;
}

.footer-nav a {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.4);
  text-decoration: none;
  transition: color 0.15s ease;
}

.footer-nav a:hover {
  color: var(--color-parchment);
}

.footer-social {
  display: flex;
  gap: var(--space-2);
  align-items: center;
  margin-top: var(--space-1);
}

.footer-social a {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.35);
  text-decoration: none;
  transition: color 0.15s ease;
}

.footer-social a:hover {
  color: var(--color-parchment);
}

/* --------------------------------------------------------------------------
   Page headers (non-home pages)
   -------------------------------------------------------------------------- */
.page-header {
  padding: var(--space-5) 0 var(--space-4);
  border-bottom: 1px solid var(--color-rule);
  margin-bottom: var(--space-5);
}

.page-header h1 {
  font-size: var(--text-2xl);
  margin-bottom: var(--space-1);
}

.page-header p {
  font-style: italic;
  color: var(--color-ink-mid);
  max-width: 56ch;
}

/* --------------------------------------------------------------------------
   404 page
   -------------------------------------------------------------------------- */
.error-page {
  min-height: 60vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: var(--space-6) var(--space-3);
}

.error-code {
  font-family: var(--font-heading);
  font-size: 5rem;
  font-weight: 600;
  color: var(--color-rule);
  line-height: 1;
  margin-bottom: var(--space-2);
}

.error-page h1 {
  font-size: var(--text-xl);
  margin-bottom: var(--space-2);
}

.error-page p {
  color: var(--color-ink-mid);
  margin-bottom: var(--space-4);
  max-width: 44ch;
}

/* --------------------------------------------------------------------------
   Forthcoming section (catalogue)
   -------------------------------------------------------------------------- */
.forthcoming {
  background: var(--color-parchment-dk);
  border: 1px solid var(--color-rule);
  padding: var(--space-4);
  margin-top: var(--space-5);
  border-radius: 2px;
}

.forthcoming h2 {
  font-size: var(--text-lg);
  margin-bottom: var(--space-2);
}

.forthcoming p {
  font-weight: 300;
  font-style: italic;
  color: var(--color-ink-mid);
  max-width: 54ch;
  margin-bottom: var(--space-3);
}

/* --------------------------------------------------------------------------
   Responsive — tablet (max 768px)
   -------------------------------------------------------------------------- */
@media (max-width: 768px) {
  :root {
    --text-2xl: 1.8rem;
    --text-3xl: 2.2rem;
    --space-6: 48px;
  }

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

  .hero-cover {
    max-width: 220px;
  }

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

  .book-hero-cover {
    max-width: 240px;
  }

  .book-card {
    grid-template-columns: 90px 1fr;
    gap: var(--space-3);
  }

  /* Mobile nav */
  .nav-toggle {
    display: flex;
  }

  .nav-links {
    display: none;
  }

  .site-footer .container {
    flex-direction: column;
    align-items: flex-start;
  }

  .subscribe-form {
    flex-direction: column;
  }

  .subscribe-form input[type="email"] {
    min-width: unset;
    width: 100%;
  }
}

/* --------------------------------------------------------------------------
   Responsive — small mobile (max 480px)
   -------------------------------------------------------------------------- */
@media (max-width: 480px) {
  :root {
    --text-2xl: 1.55rem;
    --text-3xl: 1.9rem;
    --space-5: 36px;
    --space-6: 40px;
  }

  .book-card {
    grid-template-columns: 1fr;
  }

  .book-card-cover {
    max-width: 120px;
  }
}

/* --------------------------------------------------------------------------
   Print styles
   -------------------------------------------------------------------------- */
@media print {
  .site-nav,
  .subscribe,
  .site-footer,
  .nav-toggle {
    display: none;
  }

  body {
    font-size: 12pt;
    color: #000;
    background: #fff;
  }

  a {
    color: #000;
    text-decoration: underline;
  }

  .hero .container,
  .book-hero .container {
    grid-template-columns: 200px 1fr;
  }
}