/* ==========================================================================
   Unqualified Opinion Publishing — Site Styles
   Palette: black, white, grey, signature blue
   ========================================================================== */

:root {
  --color-bg: #ffffff;
  --color-ink: #111418;
  --color-muted: #5a6470;
  --color-line: #e3e6ea;
  --color-soft: #f6f7f9;
  --color-blue: #1F8FD6;
  --color-blue-dark: #1675b1;
  --color-black: #0a0c10;

  --font-serif: "Cormorant Garamond", "Garamond", "Times New Roman", serif;
  --font-sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;

  --max-w: 1180px;
  --max-w-narrow: 760px;

  --shadow-card: 0 10px 30px rgba(10, 12, 16, 0.08);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 17px;
  line-height: 1.65;
  color: var(--color-ink);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

a {
  color: var(--color-blue);
  text-decoration: none;
  transition: color .2s ease;
}
a:hover { color: var(--color-blue-dark); }

h1, h2, h3, h4 {
  font-family: var(--font-serif);
  font-weight: 600;
  line-height: 1.15;
  letter-spacing: -0.01em;
  color: var(--color-black);
  margin: 0 0 0.6em;
}

h1 { font-size: clamp(2.4rem, 5vw, 3.8rem); }
h2 { font-size: clamp(1.8rem, 3.5vw, 2.6rem); }
h3 { font-size: 1.4rem; }

p { margin: 0 0 1em; }

.container {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 24px;
}

.container-narrow {
  max-width: var(--max-w-narrow);
  margin: 0 auto;
  padding: 0 24px;
}

/* ---------- Header / Navigation ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--color-line);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 24px;
  max-width: var(--max-w);
  margin: 0 auto;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--color-black);
}
.brand:hover { color: var(--color-black); }

.brand-mark { width: 32px; height: 32px; }

.brand-name {
  font-family: var(--font-serif);
  font-size: 1.35rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  line-height: 1;
}

.nav-links {
  display: flex;
  gap: 32px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-links a {
  color: var(--color-ink);
  font-size: 0.95rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  position: relative;
  padding: 4px 0;
}

.nav-links a:hover,
.nav-links a.active { color: var(--color-blue); }

.nav-links a.active::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: -2px;
  height: 2px;
  background: var(--color-blue);
}

.nav-toggle {
  display: none;
  background: none;
  border: 0;
  cursor: pointer;
  padding: 8px;
}
.nav-toggle span {
  display: block;
  width: 22px; height: 2px;
  background: var(--color-ink);
  margin: 4px 0;
}

@media (max-width: 720px) {
  .nav-links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0; right: 0;
    background: #fff;
    flex-direction: column;
    padding: 16px 24px 24px;
    gap: 16px;
    border-bottom: 1px solid var(--color-line);
  }
  .nav-links.open { display: flex; }
  .nav-toggle { display: block; }
}

/* ---------- Hero ---------- */
.hero {
  background: linear-gradient(180deg, #0a0c10 0%, #11161e 100%);
  color: #fff;
  padding: 110px 0 130px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(circle at 20% 30%, rgba(31,143,214,0.18), transparent 40%),
    radial-gradient(circle at 80% 70%, rgba(31,143,214,0.12), transparent 45%);
  pointer-events: none;
}

.hero-inner { position: relative; }

.hero h1 {
  color: #fff;
  margin-bottom: 0.3em;
  font-size: clamp(2.6rem, 6vw, 4.4rem);
}

.hero-eyebrow {
  display: inline-block;
  font-family: var(--font-sans);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.22em;
  color: var(--color-blue);
  margin-bottom: 1.6em;
}

.hero-lede {
  font-family: var(--font-serif);
  font-size: clamp(1.15rem, 2vw, 1.45rem);
  font-style: italic;
  color: rgba(255,255,255,0.78);
  max-width: 640px;
  margin: 0 auto 2em;
  line-height: 1.5;
}

.hero-feather {
  width: 60px;
  height: 60px;
  margin: 0 auto 24px;
  opacity: 0.95;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-block;
  padding: 14px 30px;
  font-family: var(--font-sans);
  font-weight: 500;
  font-size: 0.95rem;
  letter-spacing: 0.04em;
  border-radius: 2px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: all .2s ease;
  text-align: center;
}

.btn-primary {
  background: var(--color-blue);
  color: #fff;
}
.btn-primary:hover {
  background: var(--color-blue-dark);
  color: #fff;
}

.btn-outline {
  background: transparent;
  color: #fff;
  border-color: rgba(255,255,255,0.4);
}
.btn-outline:hover {
  border-color: #fff;
  background: rgba(255,255,255,0.06);
  color: #fff;
}

.btn-ghost {
  background: transparent;
  color: var(--color-ink);
  border-color: var(--color-line);
}
.btn-ghost:hover {
  border-color: var(--color-ink);
  color: var(--color-ink);
}

/* ---------- Sections ---------- */
section { padding: 90px 0; }

.section-head {
  text-align: center;
  margin-bottom: 60px;
}

.section-eyebrow {
  display: inline-block;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.22em;
  color: var(--color-blue);
  margin-bottom: 14px;
}

.section-head h2 { margin-bottom: 14px; }

.section-head p {
  color: var(--color-muted);
  max-width: 600px;
  margin: 0 auto;
}

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

/* ---------- Book grid / cards ---------- */
.book-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 50px;
  align-items: start;
}

.book-card {
  display: block;
  color: var(--color-ink);
}
.book-card:hover { color: var(--color-ink); }

.book-cover {
  position: relative;
  border-radius: 2px;
  overflow: hidden;
  box-shadow: var(--shadow-card);
  transition: transform .35s ease, box-shadow .35s ease;
  background: #0a0c10;
}

.book-cover img {
  display: block;
  width: 100%;
  height: auto;
}

.book-card:hover .book-cover {
  transform: translateY(-6px);
  box-shadow: 0 18px 40px rgba(10,12,16,0.16);
}

.book-meta {
  margin-top: 22px;
  text-align: center;
}

.book-meta .book-title {
  font-family: var(--font-serif);
  font-size: 1.4rem;
  margin: 0 0 4px;
  color: var(--color-black);
}

.book-meta .book-author {
  font-size: 0.85rem;
  color: var(--color-muted);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 12px;
}

.book-meta .book-tagline {
  font-family: var(--font-serif);
  font-style: italic;
  color: var(--color-muted);
  font-size: 1rem;
  margin: 0;
}

/* ---------- Single-book page layout ---------- */
.book-detail {
  display: grid;
  grid-template-columns: minmax(0, 360px) 1fr;
  gap: 70px;
  align-items: start;
  padding-top: 70px;
  padding-bottom: 90px;
}

@media (max-width: 820px) {
  .book-detail {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .book-detail .book-cover { max-width: 320px; margin: 0 auto; }
}

.book-detail h1 { font-size: clamp(2rem, 4vw, 3rem); margin-bottom: 6px; }

.book-detail .by-line {
  font-family: var(--font-sans);
  font-size: 0.85rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--color-muted);
  margin-bottom: 24px;
}
.book-detail .by-line a { color: var(--color-muted); border-bottom: 1px solid var(--color-line); padding-bottom: 1px; }
.book-detail .by-line a:hover { color: var(--color-blue); border-color: var(--color-blue); }

.book-detail .lede {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 1.25rem;
  color: var(--color-ink);
  border-left: 2px solid var(--color-blue);
  padding-left: 18px;
  margin-bottom: 26px;
}

.book-detail .description p { color: #2a323b; }
.book-detail .description ul {
  margin: 0 0 1.4em;
  padding-left: 1.2em;
  color: #2a323b;
}
.book-detail .description ul li {
  margin-bottom: 0.7em;
  line-height: 1.6;
}
.book-detail .description ul li::marker { color: var(--color-blue); }
.book-detail .description h3 {
  font-size: 1.15rem;
  margin-bottom: 0.6em;
}

.book-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 28px 0 36px;
}

.book-specs {
  border-top: 1px solid var(--color-line);
  border-bottom: 1px solid var(--color-line);
  padding: 22px 0;
  margin: 30px 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 18px;
}

.book-specs dt {
  font-size: 0.7rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-muted);
  margin-bottom: 4px;
}
.book-specs dd {
  margin: 0;
  font-size: 0.95rem;
  color: var(--color-ink);
}

.author-block {
  margin-top: 50px;
  padding: 36px;
  background: var(--color-soft);
  border-left: 3px solid var(--color-blue);
}

.author-block h3 {
  font-size: 1.2rem;
  margin-bottom: 14px;
}
.author-block .author-name {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  margin-bottom: 6px;
}

/* ---------- About / page hero ---------- */
.page-hero {
  padding: 90px 0 50px;
  text-align: center;
  border-bottom: 1px solid var(--color-line);
}
.page-hero h1 { margin-bottom: 14px; }
.page-hero p {
  color: var(--color-muted);
  max-width: 560px;
  margin: 0 auto;
  font-size: 1.05rem;
}

.prose {
  font-size: 1.08rem;
  line-height: 1.8;
}
.prose h2 { margin-top: 1.6em; }
.prose p { margin-bottom: 1.2em; color: #2a323b; }

.pull-quote {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 1.6rem;
  line-height: 1.4;
  text-align: center;
  color: var(--color-black);
  border-top: 1px solid var(--color-line);
  border-bottom: 1px solid var(--color-line);
  padding: 40px 20px;
  margin: 50px 0;
}

/* ---------- Contact / form ---------- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 60px;
  align-items: start;
}
@media (max-width: 760px) {
  .contact-grid { grid-template-columns: 1fr; gap: 40px; }
}

.contact-info {
  background: var(--color-black);
  color: #fff;
  padding: 40px;
  border-radius: 2px;
}
.contact-info h3 { color: #fff; }

.contact-info dl {
  display: grid;
  gap: 22px;
  margin: 0;
}
.contact-info dt {
  font-size: 0.7rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--color-blue);
  margin-bottom: 4px;
}
.contact-info dd {
  margin: 0;
  font-size: 1rem;
  color: rgba(255,255,255,0.92);
}
.contact-info a { color: #fff; border-bottom: 1px solid rgba(255,255,255,0.3); }
.contact-info a:hover { color: var(--color-blue); border-color: var(--color-blue); }

.form-grid {
  display: grid;
  gap: 18px;
}
.form-grid label {
  display: block;
  font-size: 0.78rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--color-muted);
  margin-bottom: 6px;
}
.form-grid input,
.form-grid textarea {
  width: 100%;
  padding: 12px 14px;
  font-family: inherit;
  font-size: 1rem;
  color: var(--color-ink);
  background: #fff;
  border: 1px solid var(--color-line);
  border-radius: 2px;
  transition: border-color .15s ease;
}
.form-grid input:focus,
.form-grid textarea:focus {
  outline: none;
  border-color: var(--color-blue);
}
.form-grid textarea { min-height: 140px; resize: vertical; }

.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
@media (max-width: 540px) { .form-row { grid-template-columns: 1fr; } }

/* ---------- Footer ---------- */
.site-footer {
  background: var(--color-black);
  color: rgba(255,255,255,0.7);
  padding: 60px 0 30px;
  font-size: 0.92rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}
@media (max-width: 720px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 460px) {
  .footer-grid { grid-template-columns: 1fr; }
}

.footer-brand .brand-name { color: #fff; }
.footer-brand p { margin-top: 14px; max-width: 280px; }

.footer-grid h4 {
  font-family: var(--font-sans);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: rgba(255,255,255,0.55);
  margin-bottom: 16px;
}

.footer-grid ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 10px;
}
.footer-grid a {
  color: rgba(255,255,255,0.85);
}
.footer-grid a:hover { color: var(--color-blue); }

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 0.85rem;
  color: rgba(255,255,255,0.55);
}

/* ---------- Utility ---------- */
.center { text-align: center; }
.mt-2 { margin-top: 30px; }
.mb-0 { margin-bottom: 0; }