/* ============================================================
   虎猫出版 — TORANEKO PUBLISHING
   Global Stylesheet
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Barlow+Condensed:wght@400;600;700;900&family=Barlow:wght@400;500;600&family=IBM+Plex+Mono:wght@400;600&family=M+PLUS+Rounded+1c:wght@400;500;700;900&display=swap');

/* --- Variables --- */
:root {
  --black: #1C1A16;
  --white: #FFFDF8;
  --accent: #F1AC5F;
  --accent-dark: #C88438;
  --accent-pale: #FDF3E3;
  --warm-bg: #FFF8EE;
  --gray-50:  #F5F2EB;
  --gray-100: #EDE9DF;
  --gray-200: #DDD9CE;
  --gray-400: #AAAAAA;
  --gray-600: #6A6660;
  --gray-800: #3A3830;
  --font-head: 'M PLUS Rounded 1c', sans-serif;
  --font-body: 'M PLUS Rounded 1c', sans-serif;
  --font-mono: 'IBM Plex Mono', 'Courier New', monospace;
  --border: 2px solid var(--black);
  --border-thin: 1px solid var(--gray-200);
  --border-light: 1px solid var(--gray-100);
  --radius: 10px;
  --radius-sm: 5px;
  --shadow: 0 2px 14px rgba(28,26,22,0.09);
  --shadow-hover: 0 8px 28px rgba(28,26,22,0.16);
  --max-w: 1200px;
  --gap: 2rem;
}

/* --- Reset --- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; scroll-behavior: smooth; color-scheme: light; }
body {
  font-family: var(--font-body);
  background: var(--white);
  color: var(--black);
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  font-feature-settings: "palt";
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
ul { list-style: none; }
button { font-family: inherit; cursor: pointer; }

/* --- Layout --- */
.wrap {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 var(--gap);
}

/* ============================================================
   NAVIGATION
   ============================================================ */
.site-nav {
  position: sticky;
  top: 0;
  z-index: 200;
  background: var(--black);
  border-bottom: var(--border);
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 var(--gap);
  height: 58px;
}
.site-logo {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 2px;
  color: var(--white);
  line-height: 1;
}
.logo-top {
  display: flex;
  align-items: center;
  gap: 0.4rem;
}
.logo-cat {
  width: 26px;
  height: 26px;
  flex-shrink: 0;
  transition: transform 0.22s;
}
.site-logo:hover .logo-cat { transform: rotate(-10deg) scale(1.12); }
.logo-jp {
  font-family: var(--font-head);
  font-size: 1.15rem;
  font-weight: 900;
  letter-spacing: 0.04em;
}
.logo-en {
  font-family: var(--font-mono);
  font-size: 0.46rem;
  letter-spacing: 0.2em;
  color: var(--gray-400);
  text-transform: uppercase;
  padding-left: 2px;
}
.site-logo:hover .logo-jp { color: var(--accent); }

/* --- Cat illustrations --- */
.cat-icon {
  display: block;
  /* black SVG → #F1AC5F: brightness(0) → saturate → invert chain */
  filter: brightness(0) saturate(100%) invert(72%) sepia(48%) saturate(600%) hue-rotate(347deg) brightness(105%) contrast(92%);
}
.cat-icon--white {
  filter: brightness(0) invert(1);
}
.cat-icon--dark {
  filter: brightness(0);
}

.nav-links { display: flex; }
.nav-links a {
  display: flex;
  align-items: center;
  padding: 0 1.1rem;
  height: 58px;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--white);
  border-left: 1px solid var(--gray-800);
  transition: background 0.15s, color 0.15s;
}
.nav-links a:hover,
.nav-links a.active {
  background: var(--accent);
  color: var(--black);
}
.nav-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--white);
  font-size: 1.5rem;
  padding: 0.4rem;
  line-height: 1;
}

/* ============================================================
   TYPOGRAPHY UTILITIES
   ============================================================ */
.label {
  font-family: var(--font-mono);
  font-size: 0.66rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}
.label--red    { color: var(--accent); }
.label--accent { color: var(--accent); }
.label--gray   { color: var(--gray-400); }
.label--white  { color: var(--white); }

h1, h2, h3, h4 {
  font-family: var(--font-head);
  font-weight: 900;
  line-height: 1.05;
  letter-spacing: 0.02em;
}

/* ============================================================
   BUTTONS
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.72rem 1.6rem;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  border: var(--border);
  border-radius: var(--radius-sm);
  transition: all 0.18s;
  white-space: nowrap;
}
.btn--primary  { background: var(--accent); border-color: var(--accent); color: var(--black); font-weight: 700; }
.btn--primary:hover { background: var(--accent-dark); border-color: var(--accent-dark); color: var(--black); }
.btn--white    { background: var(--white); border-color: var(--white); color: var(--black); }
.btn--white:hover { background: var(--gray-100); }
.btn--dark     { background: var(--black); border-color: var(--black); color: var(--white); }
.btn--dark:hover { background: var(--gray-800); }
.btn--ghost-dark { background: transparent; border-color: var(--black); color: var(--black); }
.btn--ghost-dark:hover { background: var(--black); color: var(--white); }
.btn--ghost-white { background: transparent; border-color: var(--white); color: var(--white); }
.btn--ghost-white:hover { background: var(--white); color: var(--black); }

/* ============================================================
   SECTION HEADER (shared pattern)
   ============================================================ */
.section-header {
  border-top: 3px solid var(--accent);
  border-bottom: var(--border-thin);
  padding: 1rem 0;
  margin-bottom: 3rem;
  display: flex;
  align-items: baseline;
  gap: 1.5rem;
}
.section-header h2 {
  font-size: clamp(2.2rem, 5vw, 3.8rem);
  flex: 1;
}
.section-all-link {
  font-family: var(--font-mono);
  font-size: 0.66rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--gray-600);
  white-space: nowrap;
}
.section-all-link:hover { color: var(--accent); }

/* ============================================================
   HERO
   ============================================================ */
.hero {
  background: linear-gradient(140deg, #1C1510 0%, #2C2018 60%, #1C1A14 100%);
  color: var(--white);
  border-bottom: 4px solid var(--accent);
}
.hero-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 4rem var(--gap) 3.5rem;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 3rem;
  align-items: end;
}
.hero-eyebrow {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1.5rem;
}
.hero-eyebrow::after {
  content: '';
  flex: 1;
  max-width: 80px;
  height: 2px;
  background: var(--accent);
}
.hero-title {
  font-size: clamp(3.8rem, 10vw, 9rem);
  line-height: 1.1;
  margin-bottom: 2rem;
}
.hero-title em {
  font-style: normal;
  color: var(--accent);
}
.hero-desc {
  font-size: 1rem;
  line-height: 1.75;
  color: var(--gray-400);
  max-width: 42ch;
  margin-bottom: 2rem;
}
.hero-actions { display: flex; gap: 0.75rem; flex-wrap: wrap; }
.hero-glyph {
  align-self: center;
  user-select: none;
}
.hero-glyph img {
  width: clamp(200px, 28vw, 380px);
  height: auto;
  opacity: 0.9;
  filter: drop-shadow(0 8px 32px rgba(241,172,95,0.3));
  animation: hero-float 4s ease-in-out infinite;
}
@keyframes hero-float {
  0%, 100% { transform: translateY(0); }
  50%       { transform: translateY(-12px); }
}

/* ============================================================
   TICKER BAND
   ============================================================ */
.ticker-band {
  background: var(--accent);
  overflow: hidden;
  padding: 0.6rem 0;
}
.ticker-track {
  display: flex;
  white-space: nowrap;
  animation: scroll-ticker 22s linear infinite;
}
.ticker-track:hover { animation-play-state: paused; }
.ticker-track span {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--white);
  padding: 0 2.5rem;
}
.ticker-track span::before { content: '◆  '; }
@keyframes scroll-ticker {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}

/* ============================================================
   MINI HERO
   ============================================================ */
.mini-hero {
  background: var(--warm-bg, var(--gray-50));
  border-bottom: var(--border-thin);
  padding: 2.5rem 0;
}
.mini-hero-inner {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}
.mini-hero-logo {
  width: 72px;
  height: 72px;
  flex-shrink: 0;
}
.mini-hero-title {
  font-size: 1.6rem;
  font-weight: 900;
  line-height: 1.2;
  display: flex;
  align-items: baseline;
  gap: 0.75rem;
  flex-wrap: wrap;
}
.mini-hero-en {
  font-size: 0.7rem;
  letter-spacing: 0.18em;
  font-weight: 700;
  color: var(--gray-600);
}
.mini-hero-desc {
  margin-top: 0.35rem;
  font-size: 0.95rem;
  color: var(--gray-600);
  line-height: 1.7;
}
@media (max-width: 640px) {
  .mini-hero-logo { width: 56px; height: 56px; }
  .mini-hero-title { font-size: 1.3rem; gap: 0.5rem; }
  .mini-hero-en { font-size: 0.6rem; }
  .mini-hero-desc { font-size: 0.86rem; }
}

/* ============================================================
   BOOK GRID
   ============================================================ */
.section-books { padding: 4rem 0; border-bottom: var(--border-thin); }

.books-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 1.5rem;
}
.book-card {
  border: var(--border-thin);
  border-radius: var(--radius);
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow);
  overflow: hidden;
  transition: transform 0.2s, box-shadow 0.2s;
}
.book-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-hover);
}

.book-cover {
  aspect-ratio: 3/4;
  border-bottom: var(--border-thin);
  overflow: hidden;
  position: relative;
  background: linear-gradient(145deg, #2C2018, #1C1510);
  display: flex;
  align-items: center;
  justify-content: center;
}
.book-cover img { width: 100%; height: 100%; object-fit: cover; }
.book-cover-text {
  padding: 1.5rem;
  text-align: center;
  color: var(--white);
}
.book-cover-text .bct-title {
  font-family: var(--font-head);
  font-size: 1.5rem;
  font-weight: 900;
  line-height: 1.1;
  margin-bottom: 0.5rem;
}
.book-cover-text .bct-sub {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 0.14em;
  color: var(--gray-400);
}
.book-cover-badge {
  position: absolute;
  top: 0;
  right: 0;
  background: var(--accent);
  color: var(--white);
  font-family: var(--font-mono);
  font-size: 0.58rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 0.3rem 0.6rem;
}

.book-info {
  padding: 1.25rem;
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}
.book-category {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent);
}
.book-title { font-size: 1.3rem; line-height: 1.1; }
.book-desc { font-size: 0.83rem; color: var(--gray-600); line-height: 1.65; flex: 1; }
.book-footer {
  border-top: var(--border-light);
  padding-top: 1rem;
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}
.book-btn {
  display: inline-flex;
  align-items: center;
  padding: 0.35rem 0.85rem;
  font-family: var(--font-mono);
  font-size: 0.6rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  border: 1px solid var(--black);
  transition: all 0.15s;
}
.book-btn:hover { background: var(--black); color: var(--white); }
.book-btn--amazon { background: var(--black); color: var(--white); }
.book-btn--amazon:hover { background: #FF9900; border-color: #FF9900; color: var(--black); }

/* ============================================================
   APPS SECTION
   ============================================================ */
.section-apps {
  padding: 4rem 0;
  border-bottom: var(--border-thin);
  background: var(--warm-bg);
}
.apps-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 1.5rem;
}
.app-card {
  background: var(--white);
  border: var(--border-thin);
  border-radius: var(--radius);
  padding: 2rem;
  display: flex;
  gap: 1.5rem;
  align-items: flex-start;
  box-shadow: var(--shadow);
  transition: transform 0.2s, box-shadow 0.2s;
}
.app-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
}
.app-icon {
  width: 72px;
  height: 72px;
  border-radius: 16px;
  border: var(--border);
  overflow: hidden;
  flex-shrink: 0;
  background: var(--black);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2.2rem;
}
.app-content { flex: 1; }
.app-name { font-size: 1.7rem; margin-bottom: 0.2rem; }
.app-tagline {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--accent);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 0.75rem;
}
.app-desc { font-size: 0.86rem; line-height: 1.65; color: var(--gray-600); margin-bottom: 1.25rem; }
.app-actions { display: flex; gap: 0.5rem; flex-wrap: wrap; }

/* ============================================================
   SUPPORT CARDS (homepage)
   ============================================================ */
.section-support { padding: 4rem 0; border-bottom: var(--border-thin); }
.support-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}
.support-card {
  border: var(--border-thin);
  border-radius: var(--radius);
  padding: 2rem;
  box-shadow: var(--shadow);
  transition: transform 0.2s, box-shadow 0.2s;
}
.support-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
}
.support-icon { font-size: 2.2rem; margin-bottom: 1.25rem; display: block; }
.support-title { font-size: 1.6rem; margin-bottom: 0.75rem; }
.support-desc { font-size: 0.86rem; color: var(--gray-600); line-height: 1.7; margin-bottom: 1.5rem; }

/* ============================================================
   PAGE HEADER (inner pages)
   ============================================================ */
.page-header {
  background: linear-gradient(140deg, #1C1510 0%, #2C2018 100%);
  color: var(--white);
  padding: 3rem var(--gap);
  border-bottom: 4px solid var(--accent);
}
.page-header-inner { max-width: var(--max-w); margin: 0 auto; }
.page-header .label { color: var(--accent); display: block; margin-bottom: 1rem; }
.page-header h1 { font-size: clamp(3.5rem, 9vw, 8rem); margin-bottom: 1rem; }
.page-lead { font-size: 1rem; color: var(--gray-400); max-width: 56ch; line-height: 1.75; }

/* ============================================================
   BOOKS PAGE
   ============================================================ */
.books-section { padding: 4rem 0; }
.books-filter {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  margin-bottom: 2.5rem;
}
.filter-btn {
  padding: 0.4rem 1rem;
  font-family: var(--font-mono);
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  border: var(--border-thin);
  background: none;
  color: var(--gray-600);
  transition: all 0.15s;
}
.filter-btn:hover,
.filter-btn.active { background: var(--black); color: var(--white); border-color: var(--black); }

/* ============================================================
   SUPPORT PAGE
   ============================================================ */
.support-section { padding: 4rem 0; }
.support-book-list { display: flex; flex-direction: column; gap: 0; border-top: var(--border-thin); }
.support-book-item {
  border-bottom: var(--border-thin);
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 2rem;
  align-items: center;
  padding: 1.75rem 0;
  transition: background 0.15s;
}
.support-book-item:hover { background: var(--gray-50); padding-left: 1rem; padding-right: 1rem; margin: 0 -1rem; }
.sbitem-cover {
  width: 80px;
  aspect-ratio: 3/4;
  background: var(--black);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-head);
  font-size: 0.8rem;
  font-weight: 900;
  color: var(--white);
  text-align: center;
  padding: 0.5rem;
  flex-shrink: 0;
}
.sbitem-info {}
.sbitem-category { font-family: var(--font-mono); font-size: 0.62rem; color: var(--accent); letter-spacing: 0.15em; text-transform: uppercase; margin-bottom: 0.4rem; }
.sbitem-title { font-size: 1.4rem; margin-bottom: 0.4rem; }
.sbitem-desc { font-size: 0.83rem; color: var(--gray-600); }
.sbitem-actions { display: flex; flex-direction: column; gap: 0.5rem; align-items: flex-end; }

/* Errata list */
.errata-section { padding: 4rem 0; }
.errata-list { border-top: var(--border-thin); }
.errata-item {
  border-bottom: var(--border-thin);
  padding: 1.5rem 0;
  display: grid;
  grid-template-columns: 7rem 1fr;
  gap: 1.5rem;
}
.errata-meta { font-family: var(--font-mono); font-size: 0.68rem; color: var(--gray-600); line-height: 1.5; }
.errata-content h4 { font-size: 1rem; font-weight: 700; margin-bottom: 0.4rem; letter-spacing: 0; }
.errata-content p { font-size: 0.86rem; color: var(--gray-600); line-height: 1.65; }
.errata-content .before { color: var(--accent); font-family: var(--font-mono); font-size: 0.8rem; }
.errata-content .after { color: #1a7a4a; font-family: var(--font-mono); font-size: 0.8rem; }

/* ============================================================
   APPS PAGE
   ============================================================ */
.apps-section { padding: 4rem 0; }
.app-detail-card {
  border: var(--border);
  margin-bottom: 2px;
  display: grid;
  grid-template-columns: 320px 1fr;
}
.app-detail-visual {
  background: var(--black);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 6rem;
  border-right: var(--border);
  padding: 3rem;
  min-height: 260px;
}
.app-detail-content { padding: 2.5rem; }
.app-detail-name { font-size: clamp(2.5rem, 5vw, 4rem); margin-bottom: 0.3rem; }
.app-detail-tagline { font-family: var(--font-mono); font-size: 0.68rem; color: var(--accent); letter-spacing: 0.14em; text-transform: uppercase; margin-bottom: 1rem; }
.app-detail-desc { font-size: 0.9rem; color: var(--gray-600); line-height: 1.75; margin-bottom: 1.5rem; max-width: 56ch; }
.app-features {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1.75rem;
}
.feature-tag {
  display: inline-block;
  padding: 0.25rem 0.7rem;
  border: var(--border-thin);
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--gray-600);
}
.app-dl-actions { display: flex; gap: 0.75rem; align-items: center; flex-wrap: wrap; }
.store-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.65rem 1.4rem;
  background: var(--black);
  color: var(--white);
  border: var(--border);
  font-family: var(--font-mono);
  font-size: 0.66rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  transition: background 0.15s;
}
.store-btn:hover { background: var(--gray-800); color: var(--white); }
.store-btn .store-icon { font-size: 1.1rem; }

/* ============================================================
   DOWNLOAD PAGE
   ============================================================ */
.download-section { padding: 4rem 0; }
.download-notice {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  padding: 1.25rem 1.5rem;
  background: var(--gray-50);
  border-left: 4px solid var(--accent);
  margin-bottom: 3rem;
  font-size: 0.88rem;
  color: var(--gray-600);
  line-height: 1.7;
}
.download-notice strong { color: var(--black); }

.dl-category-title {
  border-top: 4px solid var(--black);
  border-bottom: var(--border);
  padding: 0.75rem 0;
  margin-bottom: 2rem;
  font-size: 2rem;
  display: flex;
  align-items: center;
  gap: 1rem;
}
.dl-category-title .label { color: var(--accent); }

.dl-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 2px;
  background: var(--black);
  margin-bottom: 4rem;
}
.dl-item {
  background: var(--white);
  padding: 1.75rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}
.dl-item-header { display: flex; align-items: flex-start; gap: 0.75rem; }
.dl-type-badge {
  display: inline-block;
  padding: 0.25rem 0.6rem;
  font-family: var(--font-mono);
  font-size: 0.58rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  background: var(--accent);
  color: var(--white);
  flex-shrink: 0;
  margin-top: 0.2rem;
}
.dl-type-badge.badge--pochi { background: #1a7a4a; }
.dl-item-title { font-size: 1.3rem; line-height: 1.1; }
.dl-item-desc { font-size: 0.83rem; color: var(--gray-600); line-height: 1.65; }

.dl-form { border-top: var(--border-thin); padding-top: 1rem; }
.dl-form-label {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--gray-600);
  display: block;
  margin-bottom: 0.5rem;
}
.dl-input-row { display: flex; gap: 0.5rem; }
.dl-input {
  flex: 1;
  padding: 0.6rem 0.85rem;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  border: var(--border);
  background: var(--white);
  color: var(--black);
  outline: none;
  transition: border-color 0.15s;
  min-width: 0;
}
.dl-input:focus { border-color: var(--accent); }
.dl-input::placeholder { color: var(--gray-400); }
.dl-submit {
  padding: 0.6rem 1.2rem;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  background: var(--black);
  color: var(--white);
  border: var(--border);
  transition: background 0.15s;
  white-space: nowrap;
}
.dl-submit:hover { background: var(--accent); border-color: var(--accent); }

.dl-result { margin-top: 0.75rem; display: none; }
.dl-result.show { display: block; }
.dl-error {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--accent);
  padding: 0.5rem 0;
}
.dl-success-link {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem 1rem;
  background: var(--gray-50);
  border: var(--border-thin);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--black);
  transition: background 0.15s;
}
.dl-success-link:hover { background: var(--gray-100); color: var(--black); }
.dl-success-link .dl-icon { font-size: 1rem; }

/* ============================================================
   CONTACT PAGE
   ============================================================ */
.contact-section { padding: 4rem 0; }
.contact-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 5rem;
  align-items: start;
}
.contact-info {}
.contact-info h2 { font-size: 2.5rem; margin-bottom: 1rem; }
.contact-info p { font-size: 0.9rem; color: var(--gray-600); line-height: 1.8; margin-bottom: 1.25rem; }
.contact-info ul { display: flex; flex-direction: column; gap: 0.75rem; }
.contact-info li {
  font-size: 0.86rem;
  padding-left: 1rem;
  border-left: 3px solid var(--accent);
  color: var(--gray-600);
  line-height: 1.6;
}

.contact-form { display: flex; flex-direction: column; gap: 1.25rem; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.form-field { display: flex; flex-direction: column; gap: 0.4rem; }
.form-label {
  font-family: var(--font-mono);
  font-size: 0.64rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--gray-600);
}
.form-label .req { color: var(--accent); margin-left: 0.2rem; }
input[type="text"],
input[type="email"],
select,
textarea {
  padding: 0.72rem 0.95rem;
  font-family: var(--font-body);
  font-size: 0.9rem;
  border: var(--border);
  background: var(--white);
  color: var(--black);
  outline: none;
  transition: border-color 0.15s;
  width: 100%;
  -webkit-appearance: none;
  border-radius: 0;
}
input:focus, select:focus, textarea:focus { border-color: var(--accent); }
textarea { resize: vertical; min-height: 160px; }
select { background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%23333' stroke-width='2' fill='none'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 0.9rem center; padding-right: 2.5rem; }

.form-submit-row { display: flex; align-items: center; gap: 1.5rem; }
.form-note { font-family: var(--font-mono); font-size: 0.62rem; color: var(--gray-400); line-height: 1.5; }
.form-success {
  display: none;
  padding: 1.25rem 1.5rem;
  background: var(--gray-50);
  border-left: 4px solid #1a7a4a;
  font-size: 0.9rem;
  line-height: 1.7;
}
.form-success.show { display: block; }

/* ============================================================
   FOOTER
   ============================================================ */
.site-footer {
  background: linear-gradient(180deg, #1C1510 0%, #0E0B08 100%);
  color: var(--white);
  border-top: 4px solid var(--accent);
  padding: 3.5rem 0 1.5rem;
}
.footer-top {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 3rem;
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 var(--gap);
  padding-bottom: 3rem;
  border-bottom: 1px solid var(--gray-800);
  margin-bottom: 1.5rem;
}
.footer-brand {}
.footer-logo {
  font-family: var(--font-head);
  font-size: 2.2rem;
  font-weight: 900;
  color: var(--white);
  line-height: 1;
  margin-bottom: 0.4rem;
}
.footer-tagline {
  font-family: var(--font-mono);
  font-size: 0.58rem;
  color: var(--gray-600);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  margin-bottom: 1.25rem;
}
.footer-brand-desc { font-size: 0.82rem; color: var(--gray-600); line-height: 1.7; }
.footer-col-title {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1.25rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--gray-800);
}
.footer-links { display: flex; flex-direction: column; gap: 0.65rem; }
.footer-links a { font-size: 0.86rem; color: var(--gray-600); transition: color 0.15s; }
.footer-links a:hover { color: var(--white); }

.footer-bottom {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 var(--gap);
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.footer-copy { font-family: var(--font-mono); font-size: 0.6rem; color: var(--gray-800); letter-spacing: 0.1em; }

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 960px) {
  :root { --gap: 1.25rem; }
  .nav-links { display: none; position: absolute; top: 58px; left: 0; right: 0; background: var(--black); flex-direction: column; border-top: var(--border); z-index: 200; }
  .nav-links.open { display: flex; }
  .nav-links a { height: auto; padding: 0.9rem 1.5rem; border-left: none; border-top: 1px solid var(--gray-800); }
  .nav-toggle { display: block; }
  .hero-inner { grid-template-columns: 1fr; gap: 1.5rem; }
  .hero-glyph { display: none; }
  .footer-top { grid-template-columns: 1fr 1fr; gap: 2rem; }
  .support-grid { grid-template-columns: 1fr 1fr; }
  .app-detail-card { grid-template-columns: 1fr; }
  .app-detail-visual { border-right: none; border-bottom: var(--border); min-height: 180px; font-size: 4rem; }
  .contact-layout { grid-template-columns: 1fr; gap: 3rem; }
  .support-book-item { grid-template-columns: auto 1fr; }
  .sbitem-actions { display: none; }
}
@media (max-width: 600px) {
  .footer-top { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; gap: 0.5rem; text-align: center; }
  .support-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .section-header { flex-direction: column; align-items: flex-start; gap: 0.4rem; }
  .errata-item { grid-template-columns: 1fr; gap: 0.5rem; }
}