/* ============================================================
   NovaSounds — home.css
   Styles ONLY for index.html (homepage).
   Global/shared styles live in style.css
   ============================================================ */

/* ── HERO ───────────────────────────────────────────────── */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 100px 48px 60px;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -80px; left: -160px;
  width: 640px; height: 640px;
  background: radial-gradient(circle, rgba(212,168,67,0.07) 0%, transparent 65%);
  pointer-events: none;
}
.hero::after {
  content: '';
  position: absolute;
  bottom: -80px; right: -80px;
  width: 560px; height: 560px;
  background: radial-gradient(circle, rgba(46,184,164,0.05) 0%, transparent 65%);
  pointer-events: none;
}
html.light-theme .hero::before {
  background: radial-gradient(circle, rgba(184,134,28,0.09) 0%, transparent 65%);
}

.hero-inner {
  max-width: 1200px;
  margin: 0 auto;
  width: 100%;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
  position: relative;
  z-index: 1;
}

.hero-eyebrow {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 4px;
  color: var(--gold);
  text-transform: uppercase;
  margin-bottom: 22px;
  display: flex;
  align-items: center;
  gap: 12px;
}
.hero-eyebrow::before {
  content: '';
  width: 28px; height: 1px;
  background: var(--gold);
}

.hero-h1 {
  font-family: var(--serif);
  font-size: clamp(2.8rem, 5.5vw, 5rem);
  font-weight: 600;
  line-height: 1.07;
  margin-bottom: 22px;
  color: var(--ink);
}
.hero-h1 em {
  font-style: italic;
  color: var(--gold);
}

.hero-sub {
  font-size: 16px;
  color: var(--ink2);
  line-height: 1.8;
  margin-bottom: 36px;
  max-width: 430px;
  font-weight: 300;
}

.hero-ctas {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 48px;
}
/* Make the two ghost buttons slightly smaller so 3 fit comfortably */
.hero-ctas .btn-ghost {
  font-size: 13px;
  padding: 12px 20px;
}

.hero-stats {
  display: flex;
  gap: 36px;
  padding-top: 36px;
  border-top: 1px solid var(--border);
}
.hero-stat-num {
  font-family: var(--serif);
  font-size: 2.1rem;
  font-weight: 700;
  color: var(--ink);
  display: block;
  line-height: 1;
}
.hero-stat-label {
  font-size: 11px;
  color: var(--ink3);
  margin-top: 5px;
  text-transform: uppercase;
  letter-spacing: 1.5px;
}

/* ── HERO VISUAL (book stack) ───────────────────────────── */
.hero-visual {
  position: relative;
  height: 480px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.book-stack {
  position: relative;
  width: 240px;
  height: 340px;
}

.book-card {
  position: absolute;
  border-radius: 14px;
  box-shadow: var(--shadow-lg);
  overflow: hidden;
  transition: transform 0.4s ease;
  border: 1px solid rgba(255,255,255,0.05);
}
html.light-theme .book-card {
  border: 1px solid rgba(0,0,0,0.08);
}
.book-card:hover { z-index: 10 !important; transform: rotate(0deg) translateY(-12px) !important; }

.book-card:nth-child(1) { width:198px; height:288px; top:62px; left:-28px; transform:rotate(-6deg); z-index:1; }
.book-card:nth-child(2) { width:210px; height:300px; top:28px; left:18px;  transform:rotate(-1deg); z-index:2; }
.book-card:nth-child(3) { width:222px; height:314px; top:0;    left:70px;  transform:rotate(4deg);  z-index:3; }

.book-inner {
  width: 100%; height: 100%;
  padding: 22px 18px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}
.book-genre-tag {
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 2.5px;
  text-transform: uppercase;
  padding: 4px 9px;
  border-radius: 4px;
  align-self: flex-start;
}
.tag-fantasy  { background: rgba(123,104,200,0.25); color: #b0a0e8; }
.tag-romance  { background: rgba(46,184,164,0.25);  color: #4ed0bc; }
.tag-thriller { background: rgba(192,74,94,0.25);   color: #e07888; }

.book-ornament {
  text-align: center;
  font-size: 2.6rem;
  opacity: 0.22;
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
}
.book-card-title {
  font-family: var(--serif);
  font-size: 0.95rem;
  font-weight: 600;
  color: rgba(240,237,232,0.9);
  line-height: 1.3;
  margin-bottom: 4px;
}
.book-card-author {
  font-size: 11px;
  color: rgba(255,255,255,0.35);
  font-weight: 300;
}

/* Audio pill */
.audio-pill {
  position: absolute;
  bottom: 30px; right: -20px;
  background: var(--card);
  border: 1px solid var(--border2);
  border-radius: 40px;
  padding: 10px 18px;
  display: flex;
  align-items: center;
  gap: 10px;
  z-index: 10;
  box-shadow: var(--shadow-md);
  animation: floatPill 3s ease-in-out infinite;
}
@keyframes floatPill {
  0%,100% { transform: translateY(0); }
  50%     { transform: translateY(-7px); }
}
.waveform {
  display: flex;
  align-items: center;
  gap: 3px;
  height: 20px;
}
.waveform span {
  display: block;
  width: 3px;
  background: var(--teal);
  border-radius: 2px;
  animation: waveAnim 1s ease-in-out infinite;
}
.waveform span:nth-child(1) { height:7px;  animation-delay:0s; }
.waveform span:nth-child(2) { height:15px; animation-delay:.1s; }
.waveform span:nth-child(3) { height:11px; animation-delay:.2s; }
.waveform span:nth-child(4) { height:19px; animation-delay:.15s; }
.waveform span:nth-child(5) { height:9px;  animation-delay:.05s; }
@keyframes waveAnim {
  0%,100% { transform: scaleY(1); }
  50%     { transform: scaleY(0.35); }
}
.pill-text { font-size: 12px; color: var(--ink2); }
.pill-text strong { color: var(--teal); }

/* ── BROWSE SECTION ─────────────────────────────────────── */
.browse-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  flex-wrap: wrap;
  gap: 20px;
  margin-bottom: 32px;
}

.content-tabs {
  display: flex;
  gap: 4px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 4px;
  width: fit-content;
  margin-bottom: 32px;
  transition: background 0.4s ease;
}
.tab-btn {
  padding: 9px 22px;
  border-radius: 9px;
  border: none;
  background: transparent;
  color: var(--ink3);
  font-size: 13px;
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: 7px;
  transition: all var(--transition);
}
.tab-btn.active {
  background: var(--card);
  color: var(--ink);
  border: 1px solid var(--border2);
}

.book-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 20px;
  transition: opacity 0.3s ease, transform 0.3s ease;
}

/* ── Mobile horizontal scroll carousel ─────────────────── */
@media (max-width: 768px) {
  .book-grid-scroll-wrap {
    position: relative;
  }
  .book-grid {
    display: flex;
    flex-wrap: nowrap;
    gap: 14px;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    -webkit-overflow-scrolling: touch;
    padding-bottom: 12px;
    /* hide scrollbar but keep scrolling */
    scrollbar-width: none;
  }
  .book-grid::-webkit-scrollbar { display: none; }
  .book-grid-item {
    flex: 0 0 140px;
    scroll-snap-align: start;
  }
  .book-grid-item:hover { transform: none; }
  /* Fade-out edge hint */
  .book-grid-scroll-wrap::after {
    content: '';
    position: absolute;
    right: 0; top: 0; bottom: 12px;
    width: 40px;
    background: linear-gradient(to right, transparent, var(--bg, #0e0c0a));
    pointer-events: none;
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
  }
  html.light-theme .book-grid-scroll-wrap::after {
    background: linear-gradient(to right, transparent, var(--bg, #faf8f5));
  }
}
.book-grid-item { cursor: pointer; transition: transform 0.3s ease; }
.book-grid-item:hover { transform: translateY(-6px); }

.book-cover {
  width: 100%;
  aspect-ratio: 2/3;
  border-radius: var(--radius-md);
  margin-bottom: 11px;
  overflow: hidden;
  border: 1px solid var(--border);
  position: relative;
}
.book-cover-inner {
  width: 100%; height: 100%;
  padding: 14px 12px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}
.cover-icon { text-align:center; font-size:2.2rem; opacity:0.22; flex:1; display:flex; align-items:center; justify-content:center; }
.cover-title { font-family:var(--serif); font-size:0.88rem; font-weight:600; color:rgba(240,237,232,0.88); line-height:1.3; }
html.light-theme .cover-title { color: rgba(20,15,10,0.9); }

.book-item-name   { font-size:13px; font-weight:500; color:var(--ink); white-space:nowrap; overflow:hidden; text-overflow:ellipsis; }
.book-item-author { font-size:11px; color:var(--ink3); margin-top:2px; }
.book-item-rating { font-size:11px; color:var(--gold); margin-top:3px; }
.book-item-rating span { color:var(--ink3); }

/* ── HOW IT WORKS ───────────────────────────────────────── */
.how-section { background: var(--surface); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); transition: background 0.4s ease; }

.steps-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}
.step-card {
  background: var(--surface);
  padding: 36px 26px;
  transition: background var(--transition);
}
.step-card:hover { background: var(--card); }
.step-num  { font-family:var(--serif); font-size:3rem; font-weight:700; color:var(--border2); line-height:1; margin-bottom:18px; }
.step-icon { font-size:1.8rem; margin-bottom:14px; display:block; }
.step-title { font-size:15px; font-weight:600; color:var(--ink); margin-bottom:8px; }
.step-desc  { font-size:13px; color:var(--ink3); line-height:1.7; font-weight:300; }

/* ── UNLOCK SECTION ─────────────────────────────────────── */
.unlock-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: center;
}
.unlock-visual {
  background: var(--card);
  border: 1px solid var(--border2);
  border-radius: var(--radius-lg);
  padding: 28px;
  transition: background 0.4s ease;
}
.unlock-visual-label {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 3px;
  color: var(--ink3);
  text-transform: uppercase;
  margin-bottom: 18px;
}
.chapter-list { display:flex; flex-direction:column; gap:7px; }
.chap-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 11px 15px;
  border-radius: var(--radius-sm);
  background: var(--surface);
  border: 1px solid var(--border);
  font-size: 13px;
  transition: border-color var(--transition);
}
.chap-row.free-row { border-color: rgba(46,184,164,0.2); }
.chap-row.locked-row { opacity: 0.65; }
.chap-name { color: var(--ink2); }
.chap-free-tag { font-family:var(--mono); font-size:10px; color:var(--teal); letter-spacing:1px; }
.chap-lock-wrap { display:flex; align-items:center; gap:8px; }
.chap-coin { font-family:var(--mono); font-size:10px; color:var(--gold); background:rgba(212,168,67,0.1); padding:3px 8px; border-radius:4px; }
.chap-timer { font-family:var(--mono); font-size:10px; color:var(--ink3); }
.chap-divider { text-align:center; font-family:var(--mono); font-size:9px; letter-spacing:3px; color:var(--ink3); text-transform:uppercase; padding:4px 0; border-top:1px dashed var(--border2); margin:3px 0; }

.unlock-opts { display:flex; flex-direction:column; gap:12px; margin-top:24px; }
.unlock-opt {
  display: flex;
  gap: 15px;
  align-items: flex-start;
  padding: 16px;
  background: var(--card);
  border: 1px solid var(--border2);
  border-radius: var(--radius-md);
  transition: border-color var(--transition);
}
.unlock-opt:hover { border-color: var(--gold); }
.unlock-opt-icon { font-size:1.3rem; flex-shrink:0; }
.unlock-opt-title { font-size:13px; font-weight:600; color:var(--ink); margin-bottom:3px; }
.unlock-opt-desc  { font-size:12px; color:var(--ink3); line-height:1.5; }
.unlock-text p    { font-size:15px; color:var(--ink2); line-height:1.8; font-weight:300; margin-bottom:8px; }

/* ── WRITERS SECTION ────────────────────────────────────── */
.writers-section { background: var(--surface); border-top: 1px solid var(--border); transition: background 0.4s ease; }

.writers-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  margin-top: 44px;
}
.writer-feat-card {
  background: var(--card);
  border: 1px solid var(--border2);
  border-radius: var(--radius-lg);
  padding: 28px 22px;
  transition: all var(--transition);
}
.writer-feat-card:hover { transform: translateY(-4px); border-color: var(--gold); }
.writer-feat-card .icon { font-size:2rem; margin-bottom:14px; display:block; }
.writer-feat-card h3    { font-size:15px; font-weight:600; color:var(--ink); margin-bottom:8px; }
.writer-feat-card p     { font-size:13px; color:var(--ink3); line-height:1.7; font-weight:300; }

.plans-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-top: 44px;
}
.plan-card {
  background: var(--card);
  border: 1px solid var(--border2);
  border-radius: var(--radius-lg);
  padding: 28px 22px;
  position: relative;
  transition: all var(--transition);
}
.plan-card.featured { border-color: rgba(212,168,67,0.45); background: var(--gold-subtle); }
.plan-badge {
  position: absolute;
  top: -12px; left: 50%; transform: translateX(-50%);
  background: var(--gold); color: #1a0e00;
  font-size: 9px; font-weight: 700; letter-spacing: 1px;
  padding: 3px 12px; border-radius: 20px;
  font-family: var(--mono); white-space: nowrap;
}
.plan-name  { font-family:var(--mono); font-size:10px; letter-spacing:3px; text-transform:uppercase; color:var(--ink3); margin-bottom:10px; }
.plan-price { font-family:var(--serif); font-size:2.1rem; font-weight:700; color:var(--ink); margin-bottom:4px; }
.plan-price span { font-size:0.95rem; color:var(--ink3); font-weight:300; }
.plan-features { margin-top:18px; display:flex; flex-direction:column; gap:8px; }
.plan-features li { font-size:12px; color:var(--ink2); display:flex; align-items:center; gap:8px; }
.plan-features li::before { content:'✓'; color:var(--teal); font-weight:700; flex-shrink:0; }

/* ── CTA SECTION ────────────────────────────────────────── */
.cta-section {
  text-align: center;
  background: radial-gradient(ellipse 80% 50% at 50% 100%, var(--gold-subtle), transparent 70%);
  border-top: 1px solid var(--border);
}
.cta-section h2 {
  font-family: var(--serif);
  font-size: clamp(2.4rem, 5vw, 3.8rem);
  font-weight: 600;
  line-height: 1.1;
  margin-bottom: 18px;
  color: var(--ink);
}
.cta-section h2 em { font-style:italic; color:var(--gold); }
.cta-section p  { font-size:16px; color:var(--ink2); font-weight:300; max-width:480px; margin:0 auto 40px; line-height:1.8; }
.cta-btns { display:flex; justify-content:center; gap:14px; flex-wrap:wrap; }

/* ── RESPONSIVE ─────────────────────────────────────────── */
@media (max-width: 1024px) {
  .book-grid { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 900px) {
  .hero        { padding: 90px 20px 60px; }
  .hero-inner  { grid-template-columns: 1fr; gap: 50px; }
  .hero-visual { height: 300px; }
  .steps-grid  { grid-template-columns: 1fr 1fr; }
  .unlock-grid { grid-template-columns: 1fr; }
  .writers-grid{ grid-template-columns: 1fr; }
  .plans-grid  { grid-template-columns: 1fr; }
  .cta-btns    { flex-direction: column; align-items: center; }
}
@media (max-width: 600px) {
  .book-grid   { grid-template-columns: repeat(2, 1fr); }
  .hero-stats  { gap: 20px; }
}