/* ============ RESET / BASE ============ */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

/* ============ THEMES ============ */
html[data-theme="light"] {
  --bg: #e8e2d4;
  --bg-soft: #d6cdb8;
  --bg-card: #e8e2d4;
  --bg-elev: #d6cdb8;
  --bg-shadow: #b5ac96;
  --ink: #1a1814;
  --ink-soft: #3a352c;
  --ink-faded: #6b6354;
  --red: #b11919;
  --red-dim: #7a1010;
  --red-stamp: rgba(177, 25, 25, 0.78);
  --olive: #4a4a2e;
  --rule: #8a8270;
  --photo-grad-1: #2a2620;
  --photo-grad-2: #1a1814;
  --photo-text: #e8e2d4;
  --book-cover-bg: #1a1814;
  --book-cover-text: #e8e2d4;
  --book-cover-shadow: #b5ac96;
  --frame-pattern-1: #1a1814;
  --frame-pattern-2: #e8e2d4;
  --frame-opacity: 0.6;
  --shadow-stamp: rgba(232, 226, 212, 0.5);
  --tag-text: #e8e2d4;
  --service-num-text: #e8e2d4;
  --topbar-bg: #e8e2d4;
}

html[data-theme="dark"] {
  --bg: #0d0d0d;
  --bg-soft: #161412;
  --bg-card: #1a1816;
  --bg-elev: #221f1c;
  --bg-shadow: rgba(214, 40, 40, 0.15);
  --ink: #e8e2d4;
  --ink-soft: #c4bdaa;
  --ink-faded: #7a7264;
  --red: #d62828;
  --red-dim: #a01e1e;
  --red-stamp: rgba(214, 40, 40, 0.85);
  --olive: #6b6b3d;
  --rule: #2e2a25;
  --photo-grad-1: #050505;
  --photo-grad-2: #1a1814;
  --photo-text: #7a7264;
  --book-cover-bg: #050505;
  --book-cover-text: #e8e2d4;
  --book-cover-shadow: #a01e1e;
  --frame-pattern-1: #e8e2d4;
  --frame-pattern-2: #0d0d0d;
  --frame-opacity: 0.4;
  --shadow-stamp: rgba(13, 13, 13, 0.5);
  --tag-text: #e8e2d4;
  --service-num-text: #0d0d0d;
  --topbar-bg: #0d0d0d;
}

html, body {
  background: var(--bg);
  color: var(--ink);
  font-family: 'JetBrains Mono', 'Courier New', monospace;
  font-size: 15px;
  line-height: 1.55;
  min-height: 100vh;
  overflow-x: hidden;
  transition: background 0.3s ease, color 0.3s ease;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 1;
  background-image:
    radial-gradient(circle at 20% 30%, rgba(0,0,0,0.04) 0%, transparent 50%),
    radial-gradient(circle at 80% 70%, rgba(0,0,0,0.04) 0%, transparent 50%),
    repeating-linear-gradient(0deg, transparent 0px, transparent 2px, rgba(0,0,0,0.012) 2px, rgba(0,0,0,0.012) 3px);
  mix-blend-mode: multiply;
}
html[data-theme="dark"] body::before {
  background-image:
    radial-gradient(circle at 20% 30%, rgba(255,255,255,0.025) 0%, transparent 50%),
    radial-gradient(circle at 80% 70%, rgba(255,255,255,0.02) 0%, transparent 50%),
    repeating-linear-gradient(0deg, transparent 0px, transparent 2px, rgba(255,255,255,0.015) 2px, rgba(255,255,255,0.015) 3px);
  mix-blend-mode: screen;
}

body::after {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 2;
  opacity: 0.35;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='200' height='200'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/><feColorMatrix values='0 0 0 0 0  0 0 0 0 0  0 0 0 0 0  0 0 0 0.18 0'/></filter><rect width='200' height='200' filter='url(%23n)'/></svg>");
}

.page { display: none; min-height: 100vh; position: relative; z-index: 3; }
.page.active { display: block; animation: pageFadeIn 0.4s ease; }

@keyframes pageFadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

.container {
  max-width: 1080px;
  margin: 0 auto;
  padding: 36px 28px 80px;
  position: relative;
}

/* ============ THEME TOGGLE ============ */
.theme-toggle {
  display: inline-flex;
  border: 1px solid var(--ink);
  overflow: hidden;
}
.theme-toggle button {
  background: transparent;
  border: none;
  color: var(--ink);
  padding: 4px 10px;
  font-family: inherit;
  font-size: 10px;
  letter-spacing: 0.15em;
  cursor: pointer;
  transition: all 0.2s;
  display: flex;
  align-items: center;
  gap: 5px;
}
.theme-toggle button:first-child { border-right: 1px solid var(--ink); }
.theme-toggle button:hover { background: var(--ink); color: var(--bg); }
.theme-toggle button.active { background: var(--ink); color: var(--bg); }

.landing-toggle {
  display: flex;
  justify-content: center;
  margin-bottom: 22px;
  gap: 8px;
  font-size: 10px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--ink-faded);
  align-items: center;
}

/* ============ TOP HEADER BAR ============ */
.topbar {
  border-bottom: 2px solid var(--ink);
  padding: 14px 28px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  background: var(--topbar-bg);
  position: relative;
  z-index: 4;
  flex-wrap: wrap;
  gap: 10px;
}
.topbar::after {
  content: "";
  position: absolute;
  left: 0; right: 0;
  bottom: -6px;
  height: 1px;
  background: var(--ink);
}
.topbar-left, .topbar-right { display: flex; gap: 20px; align-items: center; flex-wrap: wrap; }
.topbar .dot {
  display: inline-block;
  width: 8px; height: 8px;
  background: var(--red);
  border-radius: 50%;
  animation: pulse 2s infinite;
  vertical-align: middle;
  margin-right: 8px;
}
html[data-theme="dark"] .topbar .dot { box-shadow: 0 0 10px var(--red); }
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.3; }
}

.lang-switch { display: flex; gap: 8px; }
.lang-switch button {
  background: transparent;
  border: 1px solid var(--ink);
  color: var(--ink);
  padding: 4px 10px;
  font-family: inherit;
  font-size: 10px;
  letter-spacing: 0.2em;
  cursor: pointer;
  transition: all 0.2s;
}
.lang-switch button:hover { background: var(--ink); color: var(--bg); }
.lang-switch button.active { background: var(--red); color: var(--tag-text); border-color: var(--red); }

/* ============ LANDING ============ */
#landing { display: flex; align-items: center; justify-content: center; min-height: 100vh; padding: 40px 20px; }
#landing.active { display: flex; }

.landing-wrap {
  max-width: 720px;
  width: 100%;
  position: relative;
  padding: 50px 40px 40px;
  background: transparent;
  border: none;
  box-shadow: none;
}

.classified-stamp {
  position: absolute;
  top: 18px;
  right: -30px;
  transform: rotate(8deg);
  border: 3px solid var(--red-stamp);
  color: var(--red-stamp);
  padding: 6px 18px;
  font-weight: 800;
  font-size: 22px;
  letter-spacing: 0.15em;
  background: var(--shadow-stamp);
  z-index: 10;
  font-family: 'Special Elite', 'JetBrains Mono', monospace;
}

.landing-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 10px;
  letter-spacing: 0.2em;
  border-bottom: 1px dashed var(--ink-faded);
  padding-bottom: 14px;
  margin-bottom: 32px;
  text-transform: uppercase;
  color: var(--ink-soft);
}

.landing-title {
  font-family: 'Special Elite', monospace;
  font-size: 52px;
  line-height: 1.1;
  letter-spacing: 0.04em;
  margin-bottom: 8px;
  font-weight: 400;
  color: var(--ink);
}

.landing-subtitle {
  font-size: 12px;
  letter-spacing: 0.3em;
  color: var(--ink-faded);
  margin-bottom: 36px;
  text-transform: uppercase;
}

.landing-meta {
  font-size: 13px;
  line-height: 1.9;
  margin-bottom: 30px;
  color: var(--ink);
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.landing-prompt {
  font-size: 11px;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--ink-faded);
  text-align: center;
  margin-bottom: 18px;
}

.landing-buttons {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.lang-btn {
  background: transparent;
  border: 2px solid var(--red);
  color: var(--ink);
  padding: 22px 18px;
  font-family: inherit;
  font-weight: 800;
  font-size: 18px;
  letter-spacing: 0.18em;
  cursor: pointer;
  position: relative;
  transition: all 0.2s;
  text-transform: uppercase;
}
.lang-btn::before {
  content: "▸ ";
  color: var(--red);
}
.lang-btn:hover {
  background: var(--red);
  color: var(--tag-text);
  transform: translate(-2px, -2px);
  box-shadow: 4px 4px 0 var(--ink);
}
.lang-btn:hover::before { color: var(--tag-text); }

.landing-footer {
  margin-top: 36px;
  padding-top: 16px;
  border-top: 1px dashed var(--ink-faded);
  display: flex;
  justify-content: space-between;
  font-size: 9px;
  letter-spacing: 0.15em;
  color: var(--ink-faded);
  text-transform: uppercase;
}

/* ============ NAV ============ */
.section-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0;
  border: 2px solid var(--ink);
  margin-bottom: 28px;
  background: var(--bg-soft);
}
.section-nav button {
  flex: 1;
  min-width: 140px;
  background: transparent;
  border: none;
  border-right: 1px solid var(--rule);
  padding: 14px 12px;
  font-family: inherit;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-soft);
  cursor: pointer;
  transition: all 0.2s;
}
.section-nav button:last-child { border-right: none; }
.section-nav button:hover { background: var(--ink); color: var(--bg); }
.section-nav button.active { background: var(--red); color: var(--tag-text); }

/* ============ FILE HEADER ============ */
.file-header {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: end;
  border-bottom: 3px double var(--ink);
  padding-bottom: 16px;
  margin-bottom: 32px;
  position: relative;
}
.file-tag {
  font-size: 10px;
  letter-spacing: 0.3em;
  color: var(--ink-faded);
  text-transform: uppercase;
  margin-bottom: 6px;
}
.file-title {
  font-family: 'JetBrains Mono', monospace;
  font-size: 32px;
  line-height: 1;
  letter-spacing: 0.02em;
  font-weight: 700;
  color: var(--ink);
}
.file-ref {
  font-size: 10px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--ink-faded);
  text-align: right;
}
.file-ref strong { color: var(--ink); }

.corner-stamp {
  position: absolute;
  font-family: 'Special Elite', monospace;
  border: 2px solid var(--red-stamp);
  color: var(--red-stamp);
  padding: 4px 10px;
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.15em;
  transform: rotate(-6deg);
  background: transparent;
}

/* ============ ABOUT PAGE ============ */
.about-grid {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 40px;
  margin-bottom: 50px;
}
@media (max-width: 760px) {
  .about-grid { grid-template-columns: 1fr; }
}

.subject-card {
  border: 2px solid var(--ink);
  padding: 0;
  background: var(--bg-soft);
  position: relative;
}
.subject-photo {
  aspect-ratio: 3/4;
  background:
    repeating-linear-gradient(45deg, var(--photo-grad-1) 0px, var(--photo-grad-1) 4px, var(--photo-grad-2) 4px, var(--photo-grad-2) 8px);
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  border-bottom: 2px solid var(--ink);
}
.subject-photo::before {
  content: "[ NO IMAGE — REDACTED ]";
  color: var(--photo-text);
  font-size: 10px;
  letter-spacing: 0.2em;
  position: absolute;
  bottom: 12px;
  left: 50%;
  transform: translateX(-50%);
}
.subject-photo svg {
  width: 120px;
  height: 120px;
  opacity: 0.35;
}
.subject-photo.has-image {
  background: var(--photo-grad-2);
  padding: 0;
}
.subject-photo.has-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: grayscale(100%) contrast(1.05);
  mix-blend-mode: luminosity;
}
.subject-photo.has-image::before {
  display: none;
}
.subject-info { padding: 14px 16px; font-size: 11px; line-height: 1.9; }
.subject-info .row {
  display: grid;
  grid-template-columns: 90px 1fr;
  gap: 8px;
  border-bottom: 1px dotted var(--rule);
  padding: 3px 0;
}
.subject-info .label {
  color: var(--ink-faded);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-size: 10px;
}
.subject-info .val { font-weight: 700; color: var(--ink); }

.about-content h2 {
  font-family: 'JetBrains Mono', monospace;
  font-size: 20px;
  letter-spacing: 0.05em;
  font-weight: 700;
  margin-bottom: 14px;
  padding-bottom: 6px;
  border-bottom: 1px solid var(--ink);
  text-transform: uppercase;
  color: var(--ink);
}
.about-content h2::before {
  content: "// ";
  color: var(--red);
}
.about-content p {
  margin-bottom: 16px;
  text-align: justify;
  hyphens: auto;
  color: var(--ink-soft);
}
.about-content p strong { color: var(--ink); }

.skills-list {
  list-style: none;
  margin: 16px 0 24px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4px 20px;
}
.skills-list li {
  font-size: 12px;
  padding: 4px 0;
  border-bottom: 1px dotted var(--rule);
  color: var(--ink-soft);
}
.skills-list li::before {
  content: "▪ ";
  color: var(--red);
  font-weight: bold;
}

/* CTA blocks */
.cta-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 50px;
}
@media (max-width: 760px) {
  .cta-grid { grid-template-columns: 1fr; }
}

.cta-block {
  border: 2px solid var(--red);
  background: var(--bg-card);
  padding: 28px 22px;
  cursor: pointer;
  transition: all 0.25s;
  position: relative;
  text-align: left;
  font-family: inherit;
  color: var(--ink);
}
.cta-block:hover {
  background: var(--red);
  color: var(--tag-text);
  transform: translate(-3px, -3px);
  box-shadow: 6px 6px 0 var(--ink);
}
.cta-block .cta-num {
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--ink-faded);
  margin-bottom: 14px;
  font-weight: 700;
}
.cta-block:hover .cta-num { color: var(--tag-text); opacity: 0.7; }
.cta-block .cta-title {
  font-family: 'JetBrains Mono', monospace;
  font-size: 18px;
  font-weight: 700;
  letter-spacing: 0.05em;
  line-height: 1.2;
  margin-bottom: 12px;
  text-transform: uppercase;
  color: var(--ink);
}
.cta-block:hover .cta-title { color: var(--tag-text); }
.cta-block .cta-desc {
  font-size: 11px;
  line-height: 1.6;
  color: var(--ink-soft);
}
.cta-block:hover .cta-desc { color: var(--tag-text); }
.cta-block .cta-arrow {
  margin-top: 18px;
  font-size: 14px;
  font-weight: 800;
  letter-spacing: 0.1em;
  color: var(--red);
}
.cta-block:hover .cta-arrow { color: var(--tag-text); }

/* ============ SERVICE / TRAINING CARDS ============ */
.service-list {
  display: flex;
  flex-direction: column;
  gap: 22px;
}

.service-card {
  border: 2px solid var(--ink);
  background: var(--bg-card);
  padding: 22px 26px;
  position: relative;
  transition: all 0.25s;
}
.service-card:hover {
  background: var(--bg-elev);
  border-color: var(--red);
}
.service-card::before {
  content: attr(data-num);
  position: absolute;
  top: -2px;
  left: -2px;
  background: var(--ink);
  color: var(--service-num-text);
  font-size: 10px;
  letter-spacing: 0.2em;
  padding: 4px 10px;
  font-weight: 700;
}
.service-card .svc-head {
  display: flex;
  align-items: baseline;
  gap: 14px;
  margin-bottom: 12px;
  margin-top: 8px;
  flex-wrap: wrap;
}
.service-card .svc-name {
  font-family: 'JetBrains Mono', monospace;
  font-size: 19px;
  letter-spacing: 0.04em;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--ink);
}
.service-card p {
  font-size: 13px;
  line-height: 1.6;
  margin-bottom: 8px;
  color: var(--ink-soft);
}
.service-card p strong { color: var(--ink); }
.service-card .svc-meta {
  margin-top: 12px;
  font-size: 11px;
  color: var(--ink-faded);
  letter-spacing: 0.05em;
  border-top: 1px dotted var(--rule);
  padding-top: 10px;
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}
.service-card .svc-meta span::before {
  content: "▸ ";
  color: var(--red);
}
.service-card.clickable {
  cursor: pointer;
}
.service-card .cta-arrow-inline {
  margin-top: 14px;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.1em;
  color: var(--red);
  text-transform: uppercase;
  transition: opacity 0.2s;
}
.service-card.clickable:hover .cta-arrow-inline {
  opacity: 0.7;
}

/* ============ PITCH & PRICING BLOCKS ============ */
.back-btn {
  background: transparent;
  border: 1px solid var(--ink);
  color: var(--ink);
  padding: 8px 16px;
  font-family: inherit;
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 0.15em;
  cursor: pointer;
  text-transform: uppercase;
  transition: all 0.2s;
  margin-bottom: 24px;
  display: inline-block;
}
.back-btn:hover {
  background: var(--ink);
  color: var(--bg);
}

.pitch-cards {
  display: flex;
  flex-direction: column;
  gap: 22px;
  margin-top: 20px;
}
.pitch-card {
  background: var(--bg-card);
  border: 2px solid var(--ink);
  padding: 24px;
  position: relative;
}
.pitch-card .mod-tag {
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--ink-faded);
  margin-bottom: 12px;
  display: block;
}
.pitch-card h3 {
  font-family: 'JetBrains Mono', monospace;
  font-size: 20px;
  font-weight: 700;
  letter-spacing: 0.03em;
  line-height: 1.35;
  margin-bottom: 14px;
  color: var(--ink);
  text-transform: uppercase;
}
.pitch-card h3::before { content: "// "; color: var(--red); }
.pitch-body {
  font-size: 13px;
  color: var(--ink-soft);
  line-height: 1.7;
  margin-bottom: 18px;
  max-width: 800px;
}
.pitch-bullets {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 20px;
}
.pitch-bullets li {
  font-size: 12px;
  color: var(--ink-soft);
  padding-left: 18px;
  position: relative;
  line-height: 1.6;
}
.pitch-bullets li::before {
  content: "▸";
  position: absolute;
  left: 0;
  color: var(--red);
  font-weight: bold;
}

/* Format grille tarifs simples */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 14px;
  margin-bottom: 16px;
}
.pricing-box {
  border: 1px solid var(--rule);
  background: var(--bg-soft);
  padding: 16px;
  text-align: center;
}
.pricing-box.featured {
  border: 2px solid var(--red);
}
.pricing-box .pb-label {
  font-size: 11px;
  color: var(--ink-soft);
  margin-bottom: 6px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}
.pricing-box .pb-price {
  font-family: 'JetBrains Mono', monospace;
  font-weight: 700;
  font-size: 22px;
  color: var(--ink);
  margin-bottom: 4px;
}
.pricing-box .pb-note {
  font-size: 10px;
  color: var(--ink-faded);
  letter-spacing: 0.05em;
}
.pricing-box.featured .pb-label { color: var(--red); font-weight: bold; }

/* contact strip */
.contact-strip {
  margin-top: 40px;
  border: 2px solid var(--ink);
  background: var(--ink);
  color: var(--bg);
  padding: 24px 28px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 18px;
}
html[data-theme="dark"] .contact-strip {
  background: var(--bg-card);
  color: var(--ink);
  border-color: var(--red);
}
.contact-strip .cs-text {
  font-size: 12px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}
.contact-strip .cs-text strong {
  display: block;
  font-family: 'JetBrains Mono', monospace;
  font-weight: 700;
  font-size: 17px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin-bottom: 4px;
  color: var(--red);
}
.btn-red {
  display: inline-block;
  background: var(--red);
  color: var(--tag-text);
  border: 2px solid var(--red);
  padding: 12px 22px;
  font-family: inherit;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.18em;
  cursor: pointer;
  text-decoration: none;
  text-transform: uppercase;
  transition: all 0.2s;
}
.btn-red:hover {
  background: transparent;
  color: var(--red);
}

/* ============ BOOK PAGE ============ */
.book-layout {
  display: grid;
  grid-template-columns: 260px 1fr;
  gap: 40px;
  align-items: start;
  margin-bottom: 40px;
}
@media (max-width: 800px) { .book-layout { grid-template-columns: 1fr; } }

.book-cover-wrap {
  position: relative;
  padding: 0;
  background: transparent;
  border: none;
}
.book-cover-img {
  width: 100%;
  display: block;
  box-shadow: 6px 6px 0 var(--book-cover-shadow);
  border: 1px solid var(--rule);
}

.book-info h1 {
  font-family: 'JetBrains Mono', monospace;
  font-size: 28px;
  letter-spacing: 0.03em;
  font-weight: 700;
  line-height: 1.1;
  text-transform: uppercase;
  margin-bottom: 6px;
  color: var(--ink);
}
.book-info .book-sub {
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--ink-faded);
  text-transform: uppercase;
  margin-bottom: 24px;
  padding-bottom: 14px;
  border-bottom: 1px dashed var(--ink-faded);
}
.book-info p {
  margin-bottom: 14px;
  font-size: 13px;
  line-height: 1.7;
  text-align: justify;
  color: var(--ink-soft);
}
.book-info p strong { color: var(--ink); }
.book-section-title {
  font-family: 'JetBrains Mono', monospace;
  font-weight: 700;
  font-size: 14px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--ink);
  margin: 22px 0 12px;
  padding-bottom: 6px;
  border-bottom: 1px solid var(--rule);
}
.book-section-title::before { content: "// "; color: var(--red); }

/* Grille des offres */
.book-offers {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-top: 32px;
}
@media (max-width: 860px) { .book-offers { grid-template-columns: 1fr; } }

.book-offer {
  border: 2px solid var(--ink);
  background: var(--bg-card);
  padding: 22px 18px;
  display: flex;
  flex-direction: column;
  position: relative;
  transition: border-color 0.2s;
}
.book-offer:hover { border-color: var(--red); }
.book-offer.featured {
  border-color: var(--red);
  border-width: 3px;
}
.book-offer-badge {
  position: absolute;
  top: -2px;
  left: -2px;
  background: var(--red);
  color: var(--tag-text);
  font-size: 9px;
  font-weight: 800;
  letter-spacing: 0.2em;
  padding: 3px 10px;
  text-transform: uppercase;
}
.book-offer-num {
  font-size: 10px;
  letter-spacing: 0.25em;
  color: var(--ink-faded);
  margin-bottom: 10px;
  margin-top: 14px;
}
.book-offer h3 {
  font-family: 'JetBrains Mono', monospace;
  font-size: 16px;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--ink);
  margin-bottom: 8px;
  line-height: 1.2;
}
.book-offer-desc {
  font-size: 11px;
  line-height: 1.6;
  color: var(--ink-soft);
  margin-bottom: 18px;
  flex: 1;
}
.book-offer-contents {
  list-style: none;
  margin-bottom: 18px;
  border-top: 1px dotted var(--rule);
  padding-top: 12px;
}
.book-offer-contents li {
  font-size: 11px;
  color: var(--ink-soft);
  padding: 3px 0;
  display: flex;
  gap: 8px;
}
.book-offer-contents li::before {
  content: "▸";
  color: var(--red);
  flex-shrink: 0;
}
.book-offer-price {
  border-top: 1px solid var(--rule);
  padding-top: 14px;
  margin-top: auto;
}
.book-offer-price .price-soon {
  font-family: 'JetBrains Mono', monospace;
  font-weight: 700;
  font-size: 15px;
  color: var(--ink-faded);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  display: block;
  margin-bottom: 12px;
}
.btn-buy {
  display: block;
  width: 100%;
  background: var(--red);
  color: var(--tag-text);
  border: 2px solid var(--red);
  padding: 14px;
  font-family: inherit;
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.18em;
  cursor: pointer;
  text-transform: uppercase;
  transition: all 0.2s;
  text-decoration: none;
  text-align: center;
}
.btn-buy:hover {
  background: var(--ink);
  color: var(--bg);
  border-color: var(--ink);
}
.btn-buy.disabled {
  background: var(--bg-soft);
  border-color: var(--rule);
  color: var(--ink-faded);
  cursor: default;
  pointer-events: none;
}
.payment-methods {
  margin-top: 10px;
  font-size: 9px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-faded);
  text-align: center;
}

/* ============ CONTACT PAGE ============ */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 30px;
}
@media (max-width: 700px) { .contact-grid { grid-template-columns: 1fr; } }

.contact-block {
  border: 2px solid var(--ink);
  padding: 24px;
  background: var(--bg-card);
}
.contact-block h3 {
  font-family: 'JetBrains Mono', monospace;
  font-size: 16px;
  letter-spacing: 0.04em;
  font-weight: 700;
  text-transform: uppercase;
  margin-bottom: 14px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--ink);
  color: var(--ink);
}
.contact-block h3::before { content: "// "; color: var(--red); }
.contact-block p { font-size: 12px; line-height: 1.7; margin-bottom: 10px; color: var(--ink-soft); }
.contact-channel {
  display: flex;
  justify-content: space-between;
  border-bottom: 1px dotted var(--rule);
  padding: 8px 0;
  font-size: 12px;
}
.contact-channel .ch-label {
  color: var(--ink-faded);
  text-transform: uppercase;
  letter-spacing: 0.15em;
  font-size: 10px;
}
.contact-channel .ch-val { font-weight: 700; color: var(--ink); }

.contact-form { display: flex; flex-direction: column; gap: 14px; }
.contact-form label {
  font-size: 10px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--ink-faded);
  margin-bottom: 4px;
  display: block;
}
.contact-form input, .contact-form textarea, .contact-form select {
  background: var(--bg-soft);
  border: 1px solid var(--rule);
  padding: 10px 12px;
  font-family: inherit;
  font-size: 13px;
  color: var(--ink);
  width: 100%;
}
.contact-form textarea { resize: vertical; min-height: 100px; }
.contact-form input:focus, .contact-form textarea:focus, .contact-form select:focus {
  outline: 2px solid var(--red);
  outline-offset: 0;
  border-color: var(--red);
}
.contact-form select option { background: var(--bg-soft); color: var(--ink); }

/* ============ FOOTER ============ */
.site-footer {
  border-top: 2px solid var(--ink);
  padding: 30px 28px;
  margin-top: 60px;
  font-size: 10px;
  letter-spacing: 0.15em;
  color: var(--ink-faded);
  text-transform: uppercase;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  position: relative;
  z-index: 4;
}
.site-footer::before {
  content: "";
  position: absolute;
  top: -6px;
  left: 0; right: 0;
  height: 1px;
  background: var(--ink);
}

/* ============ RESPONSIVE ============ */
@media (max-width: 600px) {
  .landing-wrap { padding: 30px 20px; }
  .landing-title { font-size: 36px; }
  .landing-buttons { grid-template-columns: 1fr; }
  .classified-stamp { font-size: 16px; right: 10px; top: -10px; }
  .file-title { font-size: 22px; }
  .file-header { grid-template-columns: 1fr; gap: 8px; }
  .file-ref { text-align: left; }
  .topbar { font-size: 9px; padding: 10px 14px; flex-wrap: wrap; gap: 10px; }
  .topbar-left, .topbar-right { gap: 10px; }
  .container { padding: 24px 18px 60px; }
  .skills-list { grid-template-columns: 1fr; }
  .section-nav button { min-width: 100%; border-right: none; border-bottom: 1px solid var(--rule); }
  .section-nav button:last-child { border-bottom: none; }
}

/* Multi-page conversion: section content now IS the whole page,
   so the fade-in that showSection() used to trigger via inline JS
   plays automatically on load instead. */
.page-section { animation: pageFadeIn 0.35s ease; }