:root {
  --bg: #090a0d;
  --bg-soft: #0e1015;
  --panel: #12151b;
  --text: #f6f6f3;
  --muted: #aeb3bd;
  --line: #272b33;
  --line-soft: rgba(255,255,255,.08);
  --max: 1160px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", Arial, Helvetica, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; }
img { max-width: 100%; display: block; }
.container { width: min(calc(100% - 44px), var(--max)); margin: 0 auto; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(9,10,13,.91);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line-soft);
}
.header-inner { min-height: 74px; display:flex; align-items:center; justify-content:space-between; gap:32px; }
.brand { display:flex; align-items:center; gap:13px; text-decoration:none; font-weight:750; letter-spacing:.075em; text-transform:uppercase; font-size:.97rem; }
.brand img { width:44px; height:44px; object-fit:contain; background:#fff; border-radius:2px; }
nav { display:flex; gap:28px; flex-wrap:wrap; }
nav a { text-decoration:none; color:var(--muted); font-size:.93rem; transition:color .2s ease; }
nav a:hover, nav a[aria-current="page"] { color:#fff; }

.hero { position:relative; overflow:hidden; border-bottom:1px solid var(--line); }
.hero::before {
  content:""; position:absolute; inset:0; opacity:.7; pointer-events:none;
  background:
    radial-gradient(circle at 10% 25%, rgba(255,255,255,.75) 0 1px, transparent 1.4px),
    radial-gradient(circle at 26% 70%, rgba(255,255,255,.45) 0 1px, transparent 1.4px),
    radial-gradient(circle at 52% 18%, rgba(255,255,255,.35) 0 1px, transparent 1.4px),
    radial-gradient(circle at 72% 64%, rgba(255,255,255,.5) 0 1px, transparent 1.4px),
    radial-gradient(circle at 88% 28%, rgba(255,255,255,.4) 0 1px, transparent 1.4px);
  background-size: 260px 260px, 310px 310px, 370px 370px, 290px 290px, 420px 420px;
}
.hero::after {
  content:""; position:absolute; inset:-20% -10% -20% 35%; pointer-events:none;
  background:radial-gradient(ellipse at center, rgba(155,162,184,.13), transparent 58%);
  transform:rotate(-13deg);
}
.hero-inner { position:relative; min-height:630px; display:grid; grid-template-columns:1.15fr .85fr; align-items:center; gap:84px; padding:72px 0; }
.hero-copy { position:relative; z-index:1; max-width:720px; }
.eyebrow { color:#b9bdc6; text-transform:uppercase; letter-spacing:.23em; font-size:.74rem; margin:0 0 17px; font-weight:650; }
h1 { font-size:clamp(3.3rem,7vw,6.3rem); line-height:.94; margin:0 0 26px; letter-spacing:-.052em; font-weight:780; }
.hero-lead { font-size:1.18rem; max-width:680px; color:#d0d3d9; margin:0 0 34px; }
.button-row { display:flex; gap:22px; align-items:center; flex-wrap:wrap; }
.btn { display:inline-block; padding:12px 19px; border:1px solid #fff; text-decoration:none; font-weight:750; letter-spacing:.01em; transition:transform .18s ease, background .18s ease; }
.btn:hover { transform:translateY(-1px); }
.btn.primary { background:#fff; color:#090a0d; }
.text-link { color:#daddE3; text-decoration:none; border-bottom:1px solid #555b67; padding-bottom:2px; }
.text-link:hover { color:#fff; border-color:#fff; }

.hero-mark { position:relative; z-index:1; display:flex; justify-content:center; }
.mark-frame { width:min(100%,340px); background:transparent; padding:0; box-shadow:none; transform:none; }
.mark-frame img { width:100%; height:auto; }

.section { padding:92px 0; }
.featured-section { background:linear-gradient(180deg,#0d0f14 0%, #0a0b0e 100%); }
.section-heading-row { display:flex; justify-content:space-between; gap:30px; align-items:end; margin-bottom:42px; }
.section-title { font-size:clamp(2.15rem,4vw,3.7rem); line-height:1.05; margin:0; letter-spacing:-.035em; }
.desktop-link { margin-bottom:7px; }

.book-feature { display:grid; grid-template-columns:310px 1fr; gap:64px; align-items:center; }
.book-cover-image {
  width:100%;
  max-width:310px;
  border:1px solid #404550;
  box-shadow:0 30px 70px rgba(0,0,0,.38);
  background:#0d1016;
}
.book-cover-image img {
  display:block;
  width:100%;
  height:auto;
}
.book-page-cover {
  max-width:370px;
}
.book-cover {
  position:relative; min-height:470px; overflow:hidden; border:1px solid #404550; padding:28px;
  display:flex; flex-direction:column; justify-content:space-between; box-shadow:0 30px 70px rgba(0,0,0,.38);
  background:linear-gradient(155deg,#1a1f2a 0%,#090b10 48%,#141720 100%);
}
.book-cover::after { content:""; position:absolute; inset:0; background:linear-gradient(120deg, transparent 35%, rgba(255,255,255,.08) 50%, transparent 65%); transform:translateX(-70%); }
.cover-kicker,.cover-author { position:relative; z-index:2; font-size:.69rem; letter-spacing:.19em; text-transform:uppercase; color:#c9ccd2; }
.cover-author { font-size:.8rem; }
.cover-main { position:relative; z-index:2; }
.cover-title { font-size:2.45rem; line-height:.92; font-weight:850; letter-spacing:-.045em; }
.cover-sub { margin-top:14px; max-width:220px; font-size:.9rem; color:#d5d7dc; line-height:1.35; }
.cover-space { position:absolute; inset:0; opacity:.7; }
.cover-space span { position:absolute; width:2px; height:2px; border-radius:50%; background:#fff; box-shadow:0 0 8px rgba(255,255,255,.8); }
.cover-space span:nth-child(1){left:17%;top:21%}.cover-space span:nth-child(2){left:71%;top:16%}.cover-space span:nth-child(3){left:83%;top:37%}.cover-space span:nth-child(4){left:42%;top:45%}.cover-space span:nth-child(5){left:22%;top:64%}
.book-meta { color:#aeb3bd; font-size:.82rem; margin:0 0 17px; text-transform:uppercase; letter-spacing:.12em; }
.book-copy h2 { font-size:clamp(2.45rem,4vw,4rem); line-height:1; margin:0 0 8px; letter-spacing:-.04em; }
.subtitle { font-size:1.24rem; color:#d7d9df; margin:0 0 22px; }
.book-copy > p:not(.book-meta):not(.subtitle):not(.genre-line):not(.availability-note) { color:#c7cad1; max-width:690px; font-size:1.06rem; }
.genre-line { color:#f1f1ef; font-weight:650; }
.availability-note { margin-top:28px; color:#9da2ad; font-size:.94rem; }

.statement-section { border-top:1px solid var(--line); border-bottom:1px solid var(--line); background:#0b0d11; padding:88px 0; }
.statement-inner { max-width:900px; }
.statement { font-size:clamp(2rem,4vw,3.6rem); line-height:1.15; margin:0; letter-spacing:-.035em; color:#e8e8e6; }

.page-hero { border-bottom:1px solid var(--line); background:linear-gradient(140deg,#0a0b0f,#11141a); padding:90px 0 78px; }
.page-hero h1 { font-size:clamp(3rem,6vw,5.2rem); margin-bottom:20px; }
.page-hero p:last-child { color:#b8bdc6; font-size:1.1rem; margin-bottom:0; }
.content-narrow { max-width:760px; }
.prose p { color:#cdd0d6; font-size:1.12rem; margin:0 0 24px; }
.book-page-feature { align-items:start; }

footer { border-top:1px solid var(--line); padding:30px 0 38px; color:#858b96; font-size:.88rem; }
.footer-inner { display:flex; justify-content:space-between; gap:20px; flex-wrap:wrap; }

@media (max-width: 820px) {
  .header-inner { align-items:flex-start; padding:14px 0; flex-direction:column; gap:12px; }
  nav { gap:18px; }
  .hero-inner { grid-template-columns:1fr; min-height:auto; gap:48px; padding:76px 0; }
  .hero-mark { justify-content:flex-start; }
  .mark-frame { width:min(68vw,280px); }
  .book-feature { grid-template-columns:1fr; gap:42px; }
  .book-cover { width:min(100%,315px); }
  .book-cover-image, .book-page-cover { width:min(100%,315px); max-width:315px; }
  .section-heading-row { align-items:flex-start; }
  .desktop-link { display:none; }
}

@media (max-width: 520px) {
  .container { width:min(calc(100% - 30px), var(--max)); }
  h1 { font-size:3.25rem; }
  .brand span { font-size:.85rem; }
  nav { gap:14px; font-size:.9rem; }
  .section { padding:72px 0; }
}
