/* ==========================================================================
   CHRIS BUTLER — AUTHOR SITE
   Design tokens: graphite dark ground, restrained deep red, dossier-quiet
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Newsreader:ital,opsz,wght@0,6..72,400;0,6..72,500;0,6..72,600;1,6..72,400;1,6..72,500&family=Inter:wght@400;500;600&family=JetBrains+Mono:wght@400;500&display=swap');

:root {
  /* Color */
  --bg:        #131218;
  --bg-alt:    #1a1920;
  --bg-raise:  #201f27;
  --ink:       #ECE8E0;
  --ink-dim:   #A39D92;
  --ink-faint: #716C64;
  --red:       #7D2B2B;
  --red-bright:#A83B3B;
  --steel:     #5C6470;
  --hairline:  rgba(236,232,224,0.12);
  --hairline-strong: rgba(236,232,224,0.22);

  /* Type */
  --font-display: 'Newsreader', Georgia, 'Times New Roman', serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono: 'JetBrains Mono', 'SF Mono', Consolas, monospace;

  /* Layout */
  --max-w: 1180px;
  --gutter: clamp(20px, 5vw, 64px);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { animation-duration: 0.001ms !important; animation-iteration-count: 1 !important; transition-duration: 0.001ms !important; }
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

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

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 500;
  line-height: 1.12;
  margin: 0 0 0.5em;
  letter-spacing: -0.01em;
}

h1 { font-size: clamp(2.6rem, 6vw, 4.6rem); font-weight: 500; }
h2 { font-size: clamp(1.9rem, 3.6vw, 2.8rem); }
h3 { font-size: clamp(1.3rem, 2.2vw, 1.6rem); }

p { margin: 0 0 1.1em; color: var(--ink-dim); }
p.lede { color: var(--ink); font-size: 1.15rem; }

.eyebrow {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-faint);
  display: inline-block;
  margin-bottom: 0.9em;
}
.eyebrow.red { color: var(--red-bright); }

.container {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 var(--gutter);
}

.section {
  padding: clamp(56px, 9vw, 120px) 0;
  border-bottom: 1px solid var(--hairline);
}
.section:last-of-type { border-bottom: none; }
.section-alt { background: var(--bg-alt); }

.hairline { border: none; border-top: 1px solid var(--hairline); margin: 0; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5em;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 0.95em 1.6em;
  border: 1px solid var(--hairline-strong);
  color: var(--ink);
  transition: border-color 0.2s ease, background 0.2s ease, color 0.2s ease;
  white-space: nowrap;
}
.btn:hover { border-color: var(--ink-dim); }
.btn:focus-visible { outline: 2px solid var(--red-bright); outline-offset: 3px; }

.btn-primary {
  background: var(--red);
  border-color: var(--red);
  color: var(--ink);
}
.btn-primary:hover { background: var(--red-bright); border-color: var(--red-bright); }

.btn-row { display: flex; flex-wrap: wrap; gap: 14px; }

/* ---------- Header / Nav ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background: #131218;
  border-bottom: 1px solid var(--hairline);
}
.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
}
.brand {
  font-family: var(--font-display);
  font-size: 1.25rem;
  letter-spacing: 0.01em;
}
.brand span { color: var(--red-bright); }

.nav-links { display: flex; gap: clamp(16px, 2.6vw, 34px); align-items: center; }
.nav-links a {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--ink-dim);
  padding: 6px 2px;
  border-bottom: 1px solid transparent;
  transition: color 0.2s ease, border-color 0.2s ease;
}
.nav-links a:hover, .nav-links a[aria-current="page"] { color: var(--ink); border-color: var(--red-bright); }

.nav-toggle {
  display: none;
  background: none;
  border: 1px solid var(--hairline-strong);
  color: var(--ink);
  width: 42px; height: 42px;
  font-family: var(--font-mono);
  cursor: pointer;
}

@media (max-width: 760px) {
  .nav-toggle { display: block; }
  .nav-links {
    position: fixed;
    top: 76px;
    left: 0;
    width: 100%;
    height: calc(100% - 76px);
    z-index: 999;
    background-color: #131218;
    flex-direction: column;
    justify-content: flex-start;
    align-items: flex-start;
    padding: 40px var(--gutter);
    gap: 26px;
    transform: translateY(-8px);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.2s ease, transform 0.2s ease;
  }
  .nav-links.open { opacity: 1; transform: translateY(0); pointer-events: auto; }
  .nav-links a { font-size: 0.95rem; }
  body.nav-open { overflow: hidden; }
}

/* ---------- Hero (signature redaction-bar treatment) ---------- */
.hero {
  padding: clamp(50px, 9vw, 96px) 0 clamp(56px, 8vw, 100px);
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: clamp(32px, 6vw, 80px);
  align-items: center;
}
@media (max-width: 860px) {
  .hero-grid { grid-template-columns: 1fr; }
  .hero-cover { order: -1; max-width: 280px; margin: 0 auto; }
}

.redact-wrap { position: relative; display: inline-block; overflow: hidden; }
.redact-wrap .bar {
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 100%;
  background: var(--red);
  transform-origin: left;
  animation: redact-wipe 1.1s cubic-bezier(.65,0,.2,1) 0.15s both;
}
@keyframes redact-wipe { from { transform: scaleX(1); } to { transform: scaleX(0); } }
@media (prefers-reduced-motion: reduce) { .redact-wrap .bar { display: none; } }

.tagline {
  font-family: var(--font-display);
  font-style: italic;
  font-size: clamp(1.05rem, 2vw, 1.3rem);
  color: var(--ink-dim);
  margin: 0.3em 0 1.4em;
}

.cover-frame {
  position: relative;
  border: 1px solid var(--hairline-strong);
  padding: 14px;
  background: var(--bg-alt);
}
.cover-frame img { width: 100%; height: auto; display: block; }
.cover-frame .file-tag {
  position: absolute;
  top: -1px; right: -1px;
  background: var(--red);
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.1em;
  padding: 5px 9px;
  color: var(--ink);
}

.cover-placeholder {
  aspect-ratio: 2/3;
  width: 100%;
  background: repeating-linear-gradient(135deg, var(--bg-raise), var(--bg-raise) 10px, var(--bg-alt) 10px, var(--bg-alt) 20px);
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 20px;
  color: var(--ink-faint);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
}

/* ---------- Cards / grids ---------- */
.grid { display: grid; gap: clamp(24px, 4vw, 44px); }
.grid-books { grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
@media (max-width: 700px) { .grid-2 { grid-template-columns: 1fr; } }

.book-card { display: block; }
.book-card .cover-frame { margin-bottom: 16px; transition: border-color 0.2s ease; }
.book-card:hover .cover-frame { border-color: var(--red-bright); }
.book-card h3 { margin-bottom: 0.2em; }
.book-card .fmt { font-family: var(--font-mono); font-size: 0.7rem; color: var(--ink-faint); letter-spacing: 0.08em; text-transform: uppercase; }

.essay-card { padding: 26px 0; border-bottom: 1px solid var(--hairline); }
.essay-card:first-of-type { padding-top: 0; }
.essay-card .meta { font-family: var(--font-mono); font-size: 0.7rem; color: var(--ink-faint); letter-spacing: 0.08em; text-transform: uppercase; margin-bottom: 0.6em; }

/* ---------- Newsletter ---------- */
.newsletter-box {
  border: 1px solid var(--hairline-strong);
  padding: clamp(28px, 5vw, 46px);
  background: var(--bg-alt);
}
.newsletter-form {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-top: 20px;
}
.newsletter-form input[type="email"] {
  flex: 1 1 240px;
  background: var(--bg);
  border: 1px solid var(--hairline-strong);
  color: var(--ink);
  padding: 0.9em 1em;
  font-family: var(--font-body);
  font-size: 0.95rem;
}
.newsletter-form input[type="email"]:focus-visible { outline: 2px solid var(--red-bright); outline-offset: 2px; }
.consent-note { font-size: 0.78rem; color: var(--ink-faint); margin-top: 12px; }
.form-status { font-family: var(--font-mono); font-size: 0.78rem; margin-top: 12px; color: var(--ink-dim); display: none; }

/* ---------- Contact form ---------- */
.contact-form { display: grid; gap: 18px; max-width: 560px; }
.contact-form label { font-family: var(--font-mono); font-size: 0.72rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--ink-faint); display: block; margin-bottom: 8px; }
.contact-form input, .contact-form select, .contact-form textarea {
  width: 100%;
  background: var(--bg-alt);
  border: 1px solid var(--hairline-strong);
  color: var(--ink);
  padding: 0.85em 1em;
  font-family: var(--font-body);
  font-size: 0.95rem;
}
.contact-form textarea { min-height: 140px; resize: vertical; }
.contact-form input:focus-visible, .contact-form select:focus-visible, .contact-form textarea:focus-visible { outline: 2px solid var(--red-bright); outline-offset: 2px; }
.hp-field { position: absolute; left: -9999px; }

/* ---------- Footer ---------- */
.site-footer { padding: 52px 0 40px; }
.footer-top { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 36px; margin-bottom: 36px; }
.footer-brand .brand { display: block; margin-bottom: 10px; }
.footer-cols { display: flex; gap: clamp(30px, 6vw, 70px); flex-wrap: wrap; }
.footer-col h4 { font-family: var(--font-mono); font-size: 0.7rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--ink-faint); margin-bottom: 14px; }
.footer-col a { display: block; font-size: 0.88rem; color: var(--ink-dim); margin-bottom: 10px; }
.footer-col a:hover { color: var(--ink); }
.footer-bottom {
  display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px;
  padding-top: 24px; border-top: 1px solid var(--hairline);
  font-family: var(--font-mono); font-size: 0.72rem; color: var(--ink-faint);
}
.footer-bottom a { color: var(--ink-faint); }
.footer-bottom a:hover { color: var(--ink-dim); }

/* ---------- Utility ---------- */
.text-center { text-align: center; }
.mt-lg { margin-top: 48px; }
.small-note { font-size: 0.82rem; color: var(--ink-faint); }
.badge {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  border: 1px solid var(--hairline-strong);
  padding: 4px 9px;
  color: var(--ink-dim);
}
.skip-link {
  position: absolute; left: -9999px; top: 0; background: var(--red); color: var(--ink);
  padding: 12px 18px; z-index: 100; font-family: var(--font-mono); font-size: 0.8rem;
}
.skip-link:focus { left: var(--gutter); top: 10px; }

/* ---------- Cookie banner ---------- */
.cookie-banner {
  position: fixed;
  left: 0; right: 0; bottom: 0;
  z-index: 200;
  background: var(--bg-alt);
  border-top: 1px solid var(--hairline-strong);
  padding: 20px var(--gutter);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 18px;
  transform: translateY(100%);
  transition: transform 0.3s ease;
}
.cookie-banner.visible { transform: translateY(0); }
.cookie-banner p {
  margin: 0;
  color: var(--ink-dim);
  font-size: 0.85rem;
  flex: 1 1 260px;
}
.cookie-banner p a { color: var(--ink); border-bottom: 1px solid var(--red-bright); }
.cookie-banner-actions { display: flex; gap: 10px; flex: 0 0 auto; }
.cookie-banner .btn { font-size: 0.72rem; padding: 0.8em 1.3em; }
@media (max-width: 560px) {
  .cookie-banner { padding: 18px 20px; }
  .cookie-banner-actions { width: 100%; }
  .cookie-banner-actions .btn { flex: 1; justify-content: center; }
}