/* =============================================================
   books.css — book matrix landing page
   Inherits topbar / hero / footer styles from site.css.
   This file styles the book-buying matrix specifically.
   ============================================================= */

/* ----------------- HERO ----------------- */
.books-hero {
  padding: 96px var(--gutter) 64px;
  max-width: 1280px;
  margin: 0 auto;
  border-bottom: 1px solid var(--rule-soft);
}
.books-hero .breadcrumb {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--ink-3);
  margin-bottom: 36px;
}
.books-hero .breadcrumb a { color: var(--ink-3); transition: color .15s; }
.books-hero .breadcrumb a:hover { color: var(--accent); }
.books-hero .breadcrumb .sep { opacity: 0.4; }

.books-hero-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 64px;
  align-items: end;
}
.books-hero h1 {
  font-family: var(--serif);
  font-weight: 400;
  font-size: 72px;
  line-height: 1.0;
  letter-spacing: -0.022em;
  color: var(--ink);
  margin-bottom: 24px;
}
.books-hero h1 em { font-style: italic; color: var(--accent); }

.books-hero .sub {
  font-family: var(--serif);
  font-style: italic;
  font-size: 22px;
  line-height: 1.45;
  color: var(--ink-2);
  max-width: 560px;
  font-weight: 400;
}

/* Global language picker — top-right of hero */
.global-lang-picker {
  display: flex;
  flex-direction: column;
  gap: 14px;
  align-items: flex-start;
  padding: 20px 24px;
  background: var(--paper-2);
  border: 1px solid var(--rule);
  border-radius: 3px;
  min-width: 280px;
}
.global-lang-picker .gl-label {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--ink-3);
}
.global-lang-picker .gl-select-wrap {
  position: relative;
  width: 100%;
}
.global-lang-picker .gl-select {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  cursor: pointer;
  font-size: 16px; /* avoid iOS zoom */
}
.global-lang-picker .gl-display {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 14px;
  background: var(--paper);
  border: 1px solid var(--rule);
  font-family: var(--serif);
  font-size: 20px;
  color: var(--ink);
  pointer-events: none;
}
.global-lang-picker .gl-caret {
  font-family: var(--sans);
  font-size: 12px;
  color: var(--ink-3);
}

/* ----------------- BOOKS MATRIX ----------------- */
.books-matrix-section {
  padding: 80px var(--gutter) 120px;
  max-width: 1280px;
  margin: 0 auto;
}

/* Featured (lead) book */
.book-featured {
  background: var(--paper-3);
  border: 1px solid var(--rule);
  padding: 56px;
  margin-bottom: 72px;
  position: relative;
}
.bf-flag {
  position: absolute;
  top: 28px;
  right: 32px;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--accent);
}
.bf-flag-dot {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 0 rgba(138,37,16,0.6);
  animation: pulse 2.4s ease-out infinite;
}
.bf-grid {
  display: grid;
  grid-template-columns: 320px 1fr;
  gap: 64px;
  align-items: center;
}
.bf-cover {
  width: 320px;
  aspect-ratio: 2/3;
  background: var(--ink);
  box-shadow: 0 32px 64px -28px rgba(20,17,10,0.45), 8px 0 18px -10px rgba(20,17,10,0.2);
  overflow: hidden;
}
.bf-cover img { width:100%; height:100%; object-fit:cover; display:block; }

.bf-cover-placeholder {
  width:100%; height:100%;
  background: linear-gradient(180deg, #2c2820 0%, #1a1814 100%);
  color: var(--paper);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 32px 28px;
}
.bcp-vol {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  color: var(--accent-2);
}
.bcp-status {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--ink-4);
  align-self: flex-end;
}
.bcp-title {
  font-family: var(--serif);
  font-size: 32px;
  line-height: 1.1;
  letter-spacing: -0.015em;
  color: var(--paper);
}

.bf-info .bf-meta {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-3);
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 18px;
}
.bf-info .bf-meta .dot { color: var(--rule); }
.bf-title {
  font-family: var(--serif);
  font-weight: 400;
  font-size: 56px;
  line-height: 1.0;
  letter-spacing: -0.02em;
  color: var(--ink);
  margin-bottom: 14px;
}
.bf-title em { font-style: italic; color: var(--accent); }
.bf-subtitle {
  font-family: var(--serif);
  font-style: italic;
  font-size: 22px;
  line-height: 1.35;
  color: var(--ink-2);
  margin-bottom: 24px;
  font-weight: 400;
}
.bf-pitch {
  font-family: var(--serif);
  font-size: 18px;
  line-height: 1.55;
  color: var(--ink-2);
  margin-bottom: 28px;
  max-width: 640px;
}
.bf-topics {
  list-style: none;
  padding: 0;
  margin: 0 0 36px 0;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px 32px;
  max-width: 640px;
}
.bf-topics li {
  font-family: var(--serif);
  font-style: italic;
  font-size: 15px;
  color: var(--ink-2);
  padding-left: 18px;
  position: relative;
  line-height: 1.4;
}
.bf-topics li::before {
  content: '→';
  position: absolute;
  left: 0;
  color: var(--accent);
  font-style: normal;
}

.bf-actions {
  display: flex;
  align-items: center;
  gap: 18px;
  flex-wrap: wrap;
  margin-bottom: 18px;
}
.bf-buy {
  display: inline-flex;
  align-items: baseline;
  gap: 12px;
  padding: 20px 30px;
  background: var(--ink);
  color: var(--paper);
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  font-weight: 500;
  text-decoration: none;
  transition: background .15s;
  border: 1px solid var(--ink);
}
.bf-buy:hover { background: var(--accent); border-color: var(--accent); }
.bf-buy-main { color: var(--paper); }
.bf-buy-lang {
  font-family: var(--serif);
  font-style: italic;
  font-size: 15px;
  letter-spacing: 0;
  text-transform: none;
  color: var(--accent-2);
  font-weight: 400;
}
.bf-buy-arrow { font-size: 14px; }
.bf-try {
  font-family: var(--serif);
  font-style: italic;
  font-size: 16px;
  color: var(--ink-2);
  border-bottom: 1px solid var(--rule);
  padding-bottom: 3px;
  transition: color .15s, border-color .15s;
}
.bf-try:hover { color: var(--accent); border-bottom-color: var(--accent); }
.bf-try .arrow { font-family: var(--serif); font-style: italic; }

/* Grid section heading */
.books-grid-head {
  padding: 12px 0 20px;
  border-bottom: 1px solid var(--rule);
  margin-bottom: 48px;
}
.bgh-label {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--ink-3);
}

/* Grid of cards */
.books-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: var(--rule-soft);
  border: 1px solid var(--rule);
}

.book-card-v2 {
  background: var(--paper);
  padding: 40px;
  display: grid;
  grid-template-columns: 180px 1fr;
  gap: 36px;
  align-items: start;
  transition: background .2s;
}
.book-card-v2:hover { background: var(--paper-3); }
.book-card-v2.upcoming { background: var(--paper-2); }
.book-card-v2.upcoming:hover { background: #e8dfc6; }

.bc-cover {
  width: 180px;
  aspect-ratio: 2/3;
  background: var(--ink);
  box-shadow: 0 22px 38px -22px rgba(20,17,10,0.4), 6px 0 14px -10px rgba(20,17,10,0.2);
  overflow: hidden;
}
.bc-cover img { width:100%; height:100%; object-fit:cover; display:block; }
.bc-cover-placeholder {
  width:100%; height:100%;
  background: linear-gradient(180deg, #2c2820 0%, #1a1814 100%);
  color: var(--paper);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 22px 18px;
}
.bc-cover-placeholder .bcp-vol {
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  color: var(--accent-2);
}
.bc-cover-placeholder .bcp-status {
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--ink-4);
  align-self: flex-end;
}
.bc-cover-placeholder .bcp-title {
  font-family: var(--serif);
  font-size: 20px;
  line-height: 1.1;
  letter-spacing: -0.012em;
  color: var(--paper);
}

.bc-body { min-width: 0; }
.bc-meta {
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-3);
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 12px;
}
.bc-meta .dot { color: var(--rule); }
.bc-title {
  font-family: var(--serif);
  font-weight: 400;
  font-size: 30px;
  line-height: 1.05;
  letter-spacing: -0.015em;
  color: var(--ink);
  margin-bottom: 8px;
}
.bc-title em { font-style: italic; color: var(--accent); }
.bc-subtitle {
  font-family: var(--serif);
  font-style: italic;
  font-size: 16px;
  line-height: 1.35;
  color: var(--ink-2);
  margin-bottom: 14px;
  font-weight: 400;
}
.bc-pitch {
  font-family: var(--serif);
  font-size: 15px;
  line-height: 1.5;
  color: var(--ink-2);
  margin-bottom: 22px;
}

.bc-actions {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 14px;
}
.bc-buy {
  display: inline-flex;
  align-items: baseline;
  gap: 10px;
  padding: 13px 18px;
  background: var(--ink);
  color: var(--paper);
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  font-weight: 500;
  text-decoration: none;
  border: 1px solid var(--ink);
  transition: background .15s, border-color .15s;
}
.bc-buy:hover { background: var(--accent); border-color: var(--accent); }
.bc-buy-lang {
  font-family: var(--serif);
  font-style: italic;
  font-size: 13px;
  letter-spacing: 0;
  text-transform: none;
  color: var(--accent-2);
  font-weight: 400;
}
.bc-buy-arrow { font-size: 12px; }
.bc-excerpt {
  font-family: var(--serif);
  font-style: italic;
  font-size: 14px;
  color: var(--ink-3);
  border-bottom: 1px solid transparent;
  transition: color .15s, border-color .15s;
}
.bc-excerpt:hover { color: var(--accent); border-bottom-color: var(--accent); }
.bc-excerpt .arrow { font-family: var(--serif); font-style: italic; }

/* Notify button — for upcoming books */
.bc-notify {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 13px 18px;
  background: transparent;
  color: var(--ink);
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  font-weight: 500;
  border: 1px solid var(--ink);
  cursor: pointer;
  transition: background .15s, color .15s;
}
.bc-notify:hover { background: var(--ink); color: var(--paper); }
.bc-notify .arrow {
  font-family: var(--serif);
  font-style: italic;
  font-size: 14px;
  letter-spacing: 0;
  text-transform: none;
}
.bc-notify.notified { background: var(--paper-3); color: var(--accent); border-color: var(--accent); cursor: default; }

/* Per-book language chip */
.bc-lang-chip {
  margin-top: 8px;
  display: inline-flex;
  align-items: center;
  gap: 12px;
}
.bc-lang-chip label {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 6px 12px;
  background: var(--paper-2);
  border: 1px solid var(--rule);
  border-radius: 2px;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-3);
  cursor: pointer;
}
.bc-lang-chip .chip-select {
  background: transparent;
  border: 0;
  font-family: var(--serif);
  font-style: italic;
  font-size: 13px;
  letter-spacing: 0;
  text-transform: none;
  color: var(--ink);
  cursor: pointer;
  outline: none;
  padding: 0;
}
.bc-lang-chip .chip-reset {
  background: transparent;
  border: 0;
  font-family: var(--serif);
  font-style: italic;
  font-size: 12px;
  color: var(--ink-3);
  cursor: pointer;
  text-decoration: underline;
  text-decoration-color: var(--rule);
  text-underline-offset: 2px;
}
.bc-lang-chip .chip-reset:hover { color: var(--accent); }

/* ----------------- TRY SIV CALLOUT ----------------- */
.try-siv-callout {
  padding: 96px var(--gutter);
  background: var(--ink);
  color: var(--paper);
  text-align: center;
}
.try-siv-callout .inner { max-width: 760px; margin: 0 auto; }
.try-siv-callout .label {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  color: var(--accent-2);
  margin-bottom: 32px;
}
.try-siv-callout h2 {
  font-family: var(--serif);
  font-weight: 400;
  font-size: 52px;
  line-height: 1.05;
  letter-spacing: -0.018em;
  color: var(--paper);
  margin-bottom: 24px;
}
.try-siv-callout h2 em { font-style: italic; color: var(--accent-2); }
.try-siv-callout p {
  font-family: var(--serif);
  font-style: italic;
  font-size: 19px;
  line-height: 1.55;
  color: #c8c1a8;
  margin-bottom: 48px;
  max-width: 580px;
  margin-left: auto;
  margin-right: auto;
  font-weight: 400;
}
.try-siv-callout p em { font-style: italic; color: var(--paper); }
.try-siv-callout .btn {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  padding: 20px 36px;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  font-weight: 500;
  transition: background .15s, color .15s;
}
.try-siv-callout .btn:hover { background: var(--accent); color: var(--paper); }
.try-siv-callout .btn .arrow {
  font-family: var(--serif);
  font-style: italic;
  font-size: 16px;
  letter-spacing: 0;
  text-transform: none;
}

/* ----------------- ABOUT VINAY ----------------- */
.about-vinay {
  padding: 120px var(--gutter);
  max-width: 1080px;
  margin: 0 auto;
}
.about-vinay .inner {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 80px;
  align-items: start;
}
.about-vinay .av-photo {
  width: 220px;
  aspect-ratio: 4/5;
  background: var(--paper-2);
  border: 1px solid var(--rule);
  overflow: hidden;
}
.about-vinay .av-photo img {
  width: 100%; height: 100%;
  object-fit: cover;
  object-position: center top;
  filter: grayscale(0.85) contrast(1.04) sepia(0.05);
}
.about-vinay .av-text .label {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--ink-3);
  margin-bottom: 18px;
}
.about-vinay h2 {
  font-family: var(--serif);
  font-weight: 400;
  font-size: 42px;
  line-height: 1.05;
  letter-spacing: -0.015em;
  color: var(--ink);
  margin-bottom: 28px;
}
.about-vinay h2 em { font-style: italic; }
.about-vinay p {
  font-family: var(--serif);
  font-size: 19px;
  line-height: 1.55;
  color: var(--ink-2);
  margin-bottom: 18px;
  font-weight: 400;
  max-width: 680px;
}
.about-vinay p em { font-style: italic; color: var(--ink); }
.about-vinay .av-links {
  margin-top: 30px;
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
}
.about-vinay .av-links a {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--ink-2);
  border-bottom: 1px solid var(--rule);
  padding-bottom: 3px;
  transition: color .15s, border-color .15s;
}
.about-vinay .av-links a:hover { color: var(--accent); border-bottom-color: var(--accent); }

/* ----------------- CONNECT ----------------- */
.connect {
  padding: 96px var(--gutter);
  background: var(--paper-2);
  border-top: 1px solid var(--rule-soft);
  border-bottom: 1px solid var(--rule-soft);
}
.connect-inner {
  max-width: 1080px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: start;
}
.connect .label {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--ink-3);
  margin-bottom: 18px;
}
.connect h2 {
  font-family: var(--serif);
  font-weight: 400;
  font-size: 42px;
  line-height: 1.05;
  letter-spacing: -0.015em;
  color: var(--ink);
  margin-bottom: 18px;
}
.connect h2 em { font-style: italic; }
.connect p {
  font-family: var(--serif);
  font-size: 18px;
  line-height: 1.55;
  color: var(--ink-2);
  max-width: 480px;
}
.connect-channels {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.connect-channel {
  display: grid;
  grid-template-columns: 100px 1fr auto;
  align-items: center;
  gap: 18px;
  padding: 20px 0;
  border-bottom: 1px solid var(--rule-soft);
  color: var(--ink);
  transition: padding-left .2s, color .15s;
}
.connect-channel:hover { padding-left: 12px; color: var(--accent); }
.connect-channel .cc-label {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--ink-3);
}
.connect-channel .cc-handle {
  font-family: var(--serif);
  font-size: 19px;
  letter-spacing: -0.005em;
  color: inherit;
}
.connect-channel .cc-handle em { font-style: italic; }
.connect-channel .cc-arrow {
  font-family: var(--serif);
  font-style: italic;
  font-size: 18px;
  color: var(--ink-3);
  transition: transform .2s, color .15s;
}
.connect-channel:hover .cc-arrow { transform: translateX(6px); color: var(--accent); }

/* ----------------- RESPONSIVE ----------------- */
@media (max-width: 980px) {
  .books-hero { padding: 56px 28px 40px; }
  .books-hero-grid { grid-template-columns: 1fr; gap: 32px; }
  .books-hero h1 { font-size: 40px; }
  .books-hero .sub { font-size: 19px; }
  .global-lang-picker { min-width: 0; width: 100%; }

  .books-matrix-section { padding: 48px 28px 80px; }
  .book-featured { padding: 32px 24px; margin-bottom: 48px; }
  .bf-flag { position: static; margin-bottom: 20px; }
  .bf-grid { grid-template-columns: 1fr; gap: 32px; }
  .bf-cover { width: 200px; margin: 0 auto; }
  .bf-title { font-size: 36px; }
  .bf-subtitle { font-size: 18px; }
  .bf-pitch { font-size: 16px; }
  .bf-topics { grid-template-columns: 1fr; gap: 6px; }
  .bf-actions { flex-direction: column; align-items: stretch; }
  .bf-buy { justify-content: center; }
  .bf-try { text-align: center; }

  .books-grid { grid-template-columns: 1fr; }
  .book-card-v2 { grid-template-columns: 110px 1fr; gap: 20px; padding: 28px 24px; }
  .bc-cover { width: 110px; }
  .bc-cover-placeholder { padding: 14px 12px; }
  .bc-cover-placeholder .bcp-title { font-size: 14px; }
  .bc-title { font-size: 22px; }
  .bc-subtitle { font-size: 14px; }
  .bc-pitch { font-size: 14px; }
  .bc-actions { flex-direction: column; align-items: stretch; gap: 10px; }
  .bc-buy { justify-content: center; }
  .bc-excerpt { text-align: center; }
  .bc-lang-chip { justify-content: center; }

  .try-siv-callout { padding: 64px 28px; }
  .try-siv-callout h2 { font-size: 32px; }
  .try-siv-callout p { font-size: 17px; }

  .about-vinay { padding: 72px 28px; }
  .about-vinay .inner { grid-template-columns: 1fr; gap: 32px; }
  .about-vinay .av-photo { width: 160px; }
  .about-vinay h2 { font-size: 32px; }
  .about-vinay p { font-size: 17px; }

  .connect { padding: 64px 28px; }
  .connect-inner { grid-template-columns: 1fr; gap: 32px; }
  .connect h2 { font-size: 30px; }
  .connect-channel { grid-template-columns: 1fr auto; gap: 10px; }
  .connect-channel .cc-label { grid-column: 1 / -1; }
}