:root {
  --orange: #E65100;
  --orange-light: #FF8F00;
  --orange-glow: #FF6D00;
  --dark: #0D0D0D;
  --dark2: #1A1A1A;
  --dark3: #2A2A2A;
  --light: #F5F5F5;
  --gray: #9E9E9E;
  --white: #FFFFFF;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

body {
  font-family: 'Source Sans 3', sans-serif;
  background: var(--dark);
  color: var(--light);
  overflow-x: hidden;
  line-height: 1.7;
}

/* ===== HEADER ===== */
.site-header {
  padding: 90px 24px 40px;
  text-align: center;
  position: relative;
  background: radial-gradient(ellipse at 50% 0%, rgba(230,81,0,0.15) 0%, transparent 60%), var(--dark);
}

.site-header::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.02'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
  opacity: 0.5;
  pointer-events: none;
}

.site-header-inner {
  position: relative;
  z-index: 1;
  max-width: 900px;
  margin: 0 auto;
}

.brand-mark {
  font-family: 'Oswald', sans-serif;
  font-size: 14px;
  letter-spacing: 6px;
  color: var(--orange);
  text-transform: uppercase;
  font-weight: 600;
  margin-bottom: 20px;
}

.brand-mark::before, .brand-mark::after {
  content: '';
  display: inline-block;
  width: 36px;
  height: 1px;
  background: var(--orange);
  vertical-align: middle;
  margin: 0 18px;
}

.site-header h1 {
  font-family: 'Oswald', sans-serif;
  font-size: clamp(40px, 6vw, 72px);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  line-height: 1.05;
  color: var(--white);
  margin-bottom: 16px;
}

.site-header h1 span {
  color: var(--orange);
  font-style: italic;
}

.header-sub {
  font-size: 18px;
  color: var(--gray);
  max-width: 640px;
  margin: 0 auto;
}

.header-sub strong { color: var(--light); }

/* ===== CATALOG — 3 KSIĄŻKI ===== */
.catalog {
  padding: 50px 24px 100px;
  max-width: 1280px;
  margin: 0 auto;
}

.catalog-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.book-card {
  background: var(--dark2);
  border: 1px solid rgba(255,255,255,0.06);
  display: flex;
  flex-direction: column;
  transition: transform 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
  position: relative;
  overflow: hidden;
}

.book-card:hover {
  transform: translateY(-6px);
  border-color: rgba(230,81,0,0.4);
  box-shadow: 0 20px 50px rgba(0,0,0,0.4), 0 0 0 1px rgba(230,81,0,0.2);
}

.book-card.featured::before {
  content: 'BESTSELLER';
  position: absolute;
  top: 16px;
  right: -36px;
  background: var(--orange);
  color: var(--white);
  font-family: 'Oswald', sans-serif;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 2px;
  padding: 5px 40px;
  transform: rotate(35deg);
  z-index: 2;
}

.book-cover {
  aspect-ratio: 3 / 4;
  background: var(--dark3);
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  color: inherit;
}

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

.book-cover.placeholder {
  background:
    radial-gradient(ellipse at 50% 30%, rgba(230,81,0,0.2) 0%, transparent 60%),
    linear-gradient(135deg, #0a0a0a 0%, #1f1f1f 50%, #0a0a0a 100%);
  flex-direction: column;
  padding: 40px 24px;
  text-align: center;
  border: 1px solid rgba(230,81,0,0.15);
}

.book-cover.placeholder .ph-ball {
  font-size: 48px;
  margin-bottom: 20px;
  filter: drop-shadow(0 4px 16px rgba(230,81,0,0.4));
}

.book-cover.placeholder .ph-title {
  font-family: 'Oswald', sans-serif;
  font-size: clamp(28px, 3vw, 40px);
  font-weight: 700;
  color: var(--white);
  text-transform: uppercase;
  letter-spacing: 1px;
  line-height: 1;
  margin-bottom: 4px;
}

.book-cover.placeholder .ph-title span {
  color: var(--orange);
  display: block;
  font-style: italic;
}

.book-cover.placeholder .ph-sub {
  font-family: 'Oswald', sans-serif;
  font-size: 11px;
  color: var(--gray);
  letter-spacing: 3px;
  text-transform: uppercase;
  margin-top: 20px;
  padding-top: 16px;
  border-top: 1px solid rgba(230,81,0,0.3);
}

.book-cover.placeholder .ph-author {
  font-family: 'Oswald', sans-serif;
  font-size: 10px;
  color: var(--orange-light);
  letter-spacing: 4px;
  text-transform: uppercase;
  position: absolute;
  top: 24px;
  left: 0;
  right: 0;
  text-align: center;
}

.book-body {
  padding: 28px 26px 26px;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.book-kind {
  font-family: 'Oswald', sans-serif;
  font-size: 11px;
  letter-spacing: 3px;
  color: var(--orange-light);
  text-transform: uppercase;
  font-weight: 600;
  margin-bottom: 10px;
}

.book-title {
  font-family: 'Oswald', sans-serif;
  font-size: 26px;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--white);
  line-height: 1.1;
  margin-bottom: 6px;
}

.book-subtitle {
  font-size: 14px;
  color: var(--gray);
  font-style: italic;
  margin-bottom: 18px;
  line-height: 1.4;
}

.book-pitch {
  font-size: 15px;
  color: var(--light);
  line-height: 1.6;
  margin-bottom: 20px;
  flex: 1;
}

.book-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  font-size: 12px;
  color: var(--gray);
  text-transform: uppercase;
  letter-spacing: 1.5px;
  margin-bottom: 22px;
  padding: 12px 0;
  border-top: 1px solid rgba(255,255,255,0.06);
  border-bottom: 1px solid rgba(255,255,255,0.06);
}

.book-meta span { display: inline-flex; align-items: center; gap: 6px; }
.book-meta span::before {
  content: '•';
  color: var(--orange);
  font-size: 16px;
  line-height: 0;
}

.book-age {
  display: inline-block;
  background: rgba(183, 28, 28, 0.15);
  color: #ff5252;
  font-family: 'Oswald', sans-serif;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 2px;
  padding: 4px 10px;
  margin-bottom: 14px;
  border: 1px solid rgba(255, 82, 82, 0.3);
  align-self: flex-start;
}

.book-cta-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-top: auto;
}

.book-price {
  font-family: 'Oswald', sans-serif;
  font-size: 28px;
  font-weight: 700;
  color: var(--orange);
  letter-spacing: 0.5px;
}

.book-price small {
  font-size: 14px;
  color: var(--gray);
  font-weight: 400;
}

.book-btn {
  background: linear-gradient(135deg, var(--orange), var(--orange-glow));
  color: var(--white);
  font-family: 'Oswald', sans-serif;
  font-size: 14px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 2px;
  padding: 12px 22px;
  border: none;
  cursor: pointer;
  text-decoration: none;
  transition: all 0.3s ease;
  white-space: nowrap;
}

.book-btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(230,81,0,0.5);
}

/* ===== PODZIAŁ SEKCJI ===== */
.section-divider {
  max-width: 1280px;
  margin: 40px auto;
  padding: 0 24px;
  text-align: center;
}

.section-divider-inner {
  display: inline-block;
  padding: 0 24px;
  font-family: 'Oswald', sans-serif;
  font-size: 12px;
  letter-spacing: 4px;
  color: var(--orange);
  text-transform: uppercase;
  position: relative;
}

.section-divider-inner::before, .section-divider-inner::after {
  content: '';
  position: absolute;
  top: 50%;
  width: 200px;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--orange), transparent);
}
.section-divider-inner::before { right: 100%; }
.section-divider-inner::after { left: 100%; }

/* ===== SEKCJE SZCZEGÓŁOWE — GŁOWĄ W GRZE ===== */
section.detail {
  padding: 80px 24px;
  max-width: 900px;
  margin: 0 auto;
}

.detail-anchor {
  padding-top: 40px;
  margin-top: -40px;
}

.section-title {
  font-family: 'Oswald', sans-serif;
  font-size: clamp(28px, 5vw, 42px);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 40px;
  color: var(--white);
  position: relative;
  padding-left: 20px;
}

.section-title::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 4px;
  background: var(--orange);
}

.section-super {
  font-family: 'Oswald', sans-serif;
  font-size: 12px;
  letter-spacing: 4px;
  color: var(--orange);
  text-transform: uppercase;
  font-weight: 600;
  margin-bottom: 8px;
  padding-left: 20px;
}

/* DLA KOGO */
.audience {
  background: var(--dark2);
  padding: 80px 24px;
}

.audience-inner {
  max-width: 900px;
  margin: 0 auto;
}

.audience-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 24px;
  margin-top: 40px;
}

.audience-card {
  background: var(--dark3);
  border: 1px solid rgba(255,255,255,0.06);
  padding: 32px 28px;
  border-left: 3px solid var(--orange);
  transition: transform 0.3s ease, border-color 0.3s ease;
}

.audience-card:hover {
  transform: translateY(-4px);
  border-left-color: var(--orange-light);
}

.audience-card h3 {
  font-family: 'Oswald', sans-serif;
  font-size: 18px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--orange-light);
  margin-bottom: 12px;
}

.audience-card p {
  font-size: 15px;
  color: var(--gray);
  line-height: 1.7;
}

/* TOC */
.toc-parts {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 32px;
  margin-top: 32px;
}

.toc-part {
  background: var(--dark2);
  padding: 32px 28px;
  border-top: 3px solid var(--orange);
}

.toc-part h3 {
  font-family: 'Oswald', sans-serif;
  font-size: 16px;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--orange-light);
  margin-bottom: 20px;
}

.toc-part ul { list-style: none; padding: 0; }

.toc-part li {
  padding: 8px 0;
  border-bottom: 1px solid rgba(255,255,255,0.04);
  font-size: 15px;
  color: var(--gray);
  padding-left: 16px;
  position: relative;
}

.toc-part li::before {
  content: '›';
  position: absolute;
  left: 0;
  color: var(--orange);
  font-weight: 700;
}

/* FEATURES */
.features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 24px;
  margin-top: 32px;
}

.feature {
  text-align: center;
  padding: 28px 20px;
  background: var(--dark2);
  border-bottom: 2px solid var(--orange);
}

.feature-icon { font-size: 32px; margin-bottom: 12px; }

.feature h3 {
  font-family: 'Oswald', sans-serif;
  font-size: 16px;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--orange-light);
  margin-bottom: 8px;
}

.feature p { font-size: 14px; color: var(--gray); line-height: 1.6; }

/* QUOTE */
.quote-section {
  text-align: center;
  padding: 100px 24px;
  background: linear-gradient(180deg, var(--dark) 0%, var(--dark2) 50%, var(--dark) 100%);
}

.quote {
  font-family: 'Oswald', sans-serif;
  font-size: clamp(22px, 4vw, 36px);
  font-weight: 400;
  color: var(--light);
  max-width: 700px;
  margin: 0 auto;
  line-height: 1.5;
  font-style: italic;
}

.quote span { color: var(--orange); }

/* TRIGGER WARNING BOX */
.warning-box {
  background: rgba(183, 28, 28, 0.08);
  border: 1px solid rgba(255, 82, 82, 0.25);
  border-left: 4px solid #d32f2f;
  padding: 28px 32px;
  margin-top: 32px;
}

.warning-box h3 {
  font-family: 'Oswald', sans-serif;
  font-size: 18px;
  color: #ff5252;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 14px;
}

.warning-box p { color: var(--gray); margin-bottom: 14px; font-size: 15px; }

.warning-box ul { list-style: none; padding: 0; }

.warning-box li {
  color: var(--light);
  padding: 5px 0 5px 22px;
  font-size: 14px;
  position: relative;
}

.warning-box li::before {
  content: '▸';
  position: absolute;
  left: 0;
  color: #ff5252;
}

/* ===== FOOTER ===== */
footer {
  text-align: center;
  padding: 50px 24px;
  border-top: 1px solid rgba(255,255,255,0.06);
  font-size: 13px;
  color: var(--gray);
  background: var(--dark2);
}

footer a { color: var(--orange-light); text-decoration: none; }
footer a:hover { color: var(--orange); }

/* RESPONSIVE */
@media (max-width: 980px) {
  .catalog-grid { grid-template-columns: 1fr; max-width: 500px; margin: 0 auto; }
  .book-card.featured::before { right: -32px; font-size: 10px; padding: 4px 36px; }
  .section-divider-inner::before, .section-divider-inner::after { width: 80px; }
}

@media (max-width: 600px) {
  .site-header { padding: 60px 20px 30px; }
  section.detail { padding: 60px 20px; }
  .audience { padding: 60px 20px; }
  .book-btn { padding: 10px 16px; font-size: 13px; letter-spacing: 1.5px; }
  .book-price { font-size: 24px; }
  .toc-parts { grid-template-columns: 1fr; }
  .features { grid-template-columns: 1fr 1fr; }
  .audience-grid { grid-template-columns: 1fr; }
  .section-divider-inner::before, .section-divider-inner::after { display: none; }
}