:root {
  --bg: #06111e;
  --bg-soft: #0a1929;
  --panel: rgba(12, 31, 49, 0.78);
  --panel-solid: #0b1a2a;
  --text: #f5f7fb;
  --muted: #aab8c7;
  --line: rgba(202, 221, 239, 0.14);
  --accent: #d8b879;
  --accent-2: #b88452;
  --max: 1180px;
  --shadow: 0 30px 80px rgba(0,0,0,.34);
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--text);
  background:
    radial-gradient(circle at 78% 5%, rgba(184,132,82,.10), transparent 34rem),
    radial-gradient(circle at 8% 30%, rgba(216,184,121,.08), transparent 28rem),
    var(--bg);
  font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; }
img { max-width:100%; height:auto; display:block; }
button, input, textarea { font: inherit; }
::selection { background: rgba(216,184,121,.28); }
.container { width: min(calc(100% - 40px), var(--max)); margin-inline: auto; }
.skip-link { position:absolute; left:-9999px; top:auto; }
.skip-link:focus { left:16px; top:16px; z-index:999; background:#fff; color:#06111e; padding:10px 14px; border-radius:8px; }
.site-header {
  position: sticky; top: 0; z-index: 100;
  backdrop-filter: blur(18px);
  background: rgba(6,17,30,.78);
  border-bottom: 1px solid rgba(255,255,255,.06);
}
.nav { min-height: 74px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.brand { text-decoration: none; display: flex; align-items: center; gap: 12px; font-weight: 800; letter-spacing: .02em; }
.brand-mark { width: 38px; height: 38px; display:grid; place-items:center; border-radius: 11px; background: linear-gradient(145deg,#10253a,#07111d); border:1px solid rgba(216,184,121,.35); box-shadow: inset 0 0 24px rgba(184,132,82,.08); }
.brand-mark span { color: var(--accent); font-size: .9rem; letter-spacing: -.04em; }
.brand-text small { display:block; color:var(--muted); font-weight:600; font-size:.62rem; letter-spacing:.18em; text-transform:uppercase; margin-top:-2px; }
.nav-links { display:flex; align-items:center; gap:26px; }
.nav-links a { text-decoration:none; color:#d6e0ea; font-size:.94rem; font-weight:650; }
.nav-links a:hover, .nav-links a:focus-visible { color:var(--accent); }
.menu-btn { display:none; border:1px solid var(--line); background:transparent; color:#fff; border-radius:10px; padding:8px 10px; }
.hero { position:relative; overflow:hidden; padding: 104px 0 82px; border-bottom: 1px solid var(--line); }
.hero::before { content:""; position:absolute; inset:0; opacity:.22; pointer-events:none; background-image: linear-gradient(rgba(255,255,255,.035) 1px, transparent 1px), linear-gradient(90deg,rgba(255,255,255,.035) 1px, transparent 1px); background-size:42px 42px; mask-image:linear-gradient(to bottom, black, transparent 78%); }
.hero-grid { position:relative; display:grid; grid-template-columns: 1.08fr .92fr; gap: 72px; align-items:center; }
.eyebrow { color:var(--accent); text-transform:uppercase; font-size:.78rem; font-weight:850; letter-spacing:.18em; margin:0 0 18px; }
h1 { font-size: clamp(3.5rem, 7vw, 7.6rem); line-height:.89; letter-spacing:-.065em; margin:0; max-width:830px; }
h1 .accent { color:var(--accent); }
.hero-copy { font-size:clamp(1.08rem,1.9vw,1.28rem); color:#c0ccd8; max-width:700px; margin:30px 0 0; }
.hero-actions { display:flex; flex-wrap:wrap; gap:12px; margin-top:34px; }
.btn { min-height:48px; display:inline-flex; align-items:center; justify-content:center; gap:9px; padding:0 20px; border-radius:12px; border:1px solid transparent; text-decoration:none; font-weight:800; font-size:.94rem; transition:.2s ease; }
.btn-primary { background:var(--accent); color:#07111d; box-shadow:0 12px 36px rgba(216,184,121,.16); }
.btn-primary:hover { transform:translateY(-2px); filter:brightness(1.04); }
.btn-secondary { border-color:rgba(255,255,255,.15); background:rgba(255,255,255,.035); }
.btn-secondary:hover { border-color:rgba(216,184,121,.48); color:var(--accent); transform:translateY(-2px); }
.btn-amazon-placeholder { border-color:rgba(255,183,0,.28); background:rgba(255,183,0,.055); color:#e6edf3; cursor:default; }
.btn-amazon-placeholder:hover { transform:none; border-color:rgba(255,183,0,.28); color:#e6edf3; }
.amazon-mark { display:inline-grid; place-items:center; width:22px; height:22px; border-radius:6px; background:#d8b879; color:#07111d; font:900 1rem/1 Georgia,serif; }
.hero-panel { position:relative; min-height:430px; display:flex; align-items:center; justify-content:center; }
.hero-panel::before { content:""; position:absolute; width:410px; height:410px; border-radius:50%; background:radial-gradient(circle,rgba(216,184,121,.16),rgba(184,132,82,.07) 44%,transparent 70%); filter:blur(4px); }
.hero-card { position:relative; width:min(100%,440px); background:linear-gradient(160deg,rgba(14,38,59,.93),rgba(7,19,31,.95)); border:1px solid rgba(255,255,255,.12); border-radius:28px; padding:32px; box-shadow:var(--shadow); overflow:hidden; }
.hero-card::after { content:""; position:absolute; right:-44px; top:-44px; width:150px; height:150px; border:1px solid rgba(216,184,121,.24); border-radius:50%; }
.hero-card .monogram { font-size:7rem; font-weight:900; letter-spacing:-.09em; line-height:.8; color:#fff; }
.hero-card .monogram b { color:var(--accent); }
.hero-card .rule { width:56px; height:3px; background:linear-gradient(90deg,var(--accent),var(--accent-2)); margin:28px 0 20px; }
.hero-card p { color:var(--muted); margin:0; }
.hero-card .credential { margin-top:24px; padding-top:20px; border-top:1px solid var(--line); display:grid; grid-template-columns:repeat(3,1fr); gap:10px; }
.hero-card .credential span { font-size:.7rem; text-transform:uppercase; letter-spacing:.1em; color:#9fb0c0; }
.hero-card .credential strong { display:block; font-size:.86rem; color:#f4f7fa; margin-top:5px; }
.section { padding: 100px 0; }
.section-alt { background:linear-gradient(180deg,rgba(255,255,255,.018),rgba(255,255,255,.006)); border-block:1px solid var(--line); }
.section-head { display:flex; align-items:end; justify-content:space-between; gap:30px; margin-bottom:48px; }
.section-head h2 { margin:0; font-size:clamp(2.2rem,4.3vw,4rem); line-height:1; letter-spacing:-.045em; }
.section-head p { max-width:600px; margin:0; color:var(--muted); }
.feature-book { display:grid; grid-template-columns: .82fr 1.18fr; gap:70px; align-items:center; }
.cover-shell { position:relative; display:flex; justify-content:center; }
.cover-shell::before { content:""; position:absolute; width:76%; height:80%; bottom:-5%; border-radius:35px; background:rgba(216,184,121,.11); filter:blur(44px); }
.book-cover { position:relative; width:min(100%,500px); height:auto; object-fit:contain; border-radius:18px; box-shadow:0 40px 80px rgba(0,0,0,.48); }
.status { display:inline-flex; gap:8px; align-items:center; border:1px solid rgba(216,184,121,.25); color:#f1dcb4; border-radius:999px; padding:7px 12px; font-size:.78rem; font-weight:800; text-transform:uppercase; letter-spacing:.08em; }
.status-dot { width:7px; height:7px; border-radius:50%; background:var(--accent); box-shadow:0 0 16px rgba(216,184,121,.7); }
.book-copy h3 { margin:18px 0 12px; font-size:clamp(2.5rem,5vw,5.2rem); line-height:.91; letter-spacing:-.055em; }
.book-copy h3 span { color:var(--accent); }
.book-subtitle { font-size:1.25rem; color:#d8e2eb; margin:0 0 22px; max-width:700px; }
.book-copy > p { color:var(--muted); max-width:730px; }
.book-list { display:grid; grid-template-columns:repeat(2,1fr); gap:10px 18px; padding:0; margin:25px 0 30px; list-style:none; }
.book-list li { color:#c5d0db; position:relative; padding-left:18px; }
.book-list li::before { content:""; position:absolute; left:0; top:.68em; width:7px; height:7px; border-radius:50%; background:var(--accent); }
.meta { display:flex; gap:20px; flex-wrap:wrap; color:#8ea0b1; font-size:.83rem; margin:20px 0 0; }
.cards { display:grid; grid-template-columns:repeat(3,1fr); gap:20px; }
.card { min-height:310px; padding:28px; border-radius:20px; background:linear-gradient(160deg,rgba(15,36,56,.84),rgba(7,19,31,.9)); border:1px solid var(--line); position:relative; overflow:hidden; display:flex; flex-direction:column; }
.card::after { content:""; position:absolute; width:150px; height:150px; right:-80px; top:-80px; border-radius:50%; border:1px solid rgba(184,132,82,.16); }
.card .kicker { color:var(--accent-2); font-size:.72rem; font-weight:850; letter-spacing:.14em; text-transform:uppercase; }
.card h3 { font-size:1.6rem; line-height:1.1; margin:18px 0 12px; letter-spacing:-.025em; }
.card p { color:var(--muted); margin:0; }
.card-footer { margin-top:auto; padding-top:28px; display:flex; flex-wrap:wrap; align-items:center; gap:9px; }
.card .tag { font-size:.72rem; border:1px solid var(--line); border-radius:999px; padding:5px 9px; color:#9eb0c1; }
.amazon-mini { display:inline-flex; align-items:center; gap:6px; font-size:.72rem; border:1px solid rgba(255,183,0,.22); border-radius:999px; padding:5px 9px; color:#bfcbd6; background:rgba(255,183,0,.035); }
.amazon-mini > span { color:#d8b879; font:900 .86rem/1 Georgia,serif; }
.about-grid { display:grid; grid-template-columns: .82fr 1.18fr; gap:72px; align-items:start; }
.about-portrait { min-height:480px; border-radius:26px; border:1px solid var(--line); background: radial-gradient(circle at 38% 30%,rgba(184,132,82,.16),transparent 28%), radial-gradient(circle at 68% 70%,rgba(216,184,121,.11),transparent 32%), linear-gradient(160deg,#10263c,#07131f); display:flex; flex-direction:column; justify-content:end; padding:34px; position:relative; overflow:hidden; }
.about-portrait::before { content:"JH"; position:absolute; right:-6px; top:12px; font-size:11rem; font-weight:900; letter-spacing:-.12em; color:rgba(255,255,255,.035); }
.about-portrait strong { font-size:1.35rem; }
.about-portrait span { color:var(--muted); margin-top:6px; }
.about-copy h2 { font-size:clamp(2.5rem,4.4vw,4.6rem); line-height:.97; letter-spacing:-.05em; margin:0 0 26px; }
.about-copy p { color:#b9c7d4; font-size:1.06rem; }
.about-copy .publishing-note { margin-top:26px; padding:16px 18px; border:1px solid var(--line); border-radius:14px; background:rgba(255,255,255,.025); color:#94a6b6; font-size:.9rem; line-height:1.6; }
.about-copy .publishing-note strong { color:#cdd7df; }
.quote { margin:30px 0 0; padding:24px 0 24px 24px; border-left:3px solid var(--accent); color:#dbe5ee; font-size:1.22rem; }
.imprint-grid { display:grid; grid-template-columns:.9fr 1.1fr; gap:55px; align-items:center; }
.imprint-logo-wrap { padding:28px; border-radius:22px; background:#02070c; border:1px solid var(--line); display:flex; align-items:center; justify-content:center; min-height:280px; }
.imprint-logo { width:100%; max-width:760px; height:auto; object-fit:contain; }
.imprint-copy h2 { margin:0 0 18px; font-size:clamp(2.3rem,4vw,4rem); letter-spacing:-.045em; line-height:1; }
.imprint-copy p { color:var(--muted); }
.guides { margin-top:68px; border-radius:24px; overflow:hidden; border:1px solid var(--line); background:#02070c; }
.guides-art { width:100%; height:auto; object-fit:contain; }
.guides-copy { padding:30px; display:flex; align-items:center; justify-content:space-between; gap:28px; }
.guides-copy h3 { margin:0 0 6px; font-size:1.5rem; }
.guides-copy p { margin:0; color:var(--muted); }
.contact-panel { display:grid; grid-template-columns:1.25fr .75fr; gap:40px; padding:42px; border:1px solid var(--line); border-radius:26px; background:linear-gradient(135deg,rgba(216,184,121,.07),rgba(184,132,82,.045) 45%,rgba(255,255,255,.02)); }
.contact-panel h2 { margin:0 0 14px; font-size:clamp(2.3rem,4.5vw,4rem); letter-spacing:-.045em; line-height:1; }
.contact-panel p { color:var(--muted); margin:0; }
.contact-actions { display:flex; flex-direction:column; justify-content:center; align-items:flex-start; gap:14px; }
.socials { display:flex; gap:10px; margin-top:6px; }
.social { width:42px; height:42px; display:grid; place-items:center; border:1px solid var(--line); border-radius:11px; color:#9eafbd; background:rgba(255,255,255,.02); }
.social svg { width:19px; height:19px; }
.social[aria-disabled="true"] { cursor:not-allowed; opacity:.58; }
.site-footer { border-top:1px solid var(--line); padding:34px 0 46px; }
.footer-grid { display:flex; justify-content:space-between; gap:30px; align-items:center; }
.footer-grid p { color:#8396a7; font-size:.82rem; margin:0; }
.footer-links { display:flex; gap:18px; }
.footer-links a { color:#9aabb9; font-size:.82rem; text-decoration:none; }
.footer-links a:hover { color:var(--accent); }
.reveal { opacity:0; transform:translateY(18px); transition:opacity .65s ease, transform .65s ease; }
.reveal.visible { opacity:1; transform:none; }
@media (max-width: 920px) {
  .hero-grid, .feature-book, .about-grid, .imprint-grid, .contact-panel { grid-template-columns:1fr; }
  .hero { padding-top:76px; }
  .hero-panel { min-height:340px; }
  .feature-book { gap:48px; }
  .cards { grid-template-columns:1fr; }
  .card { min-height:230px; }
  .about-portrait { min-height:340px; }
  .contact-actions { align-items:flex-start; }
}
@media (max-width: 740px) {
  .container { width:min(calc(100% - 28px),var(--max)); }
  .menu-btn { display:block; }
  .nav-links { display:none; position:absolute; left:14px; right:14px; top:66px; flex-direction:column; align-items:stretch; gap:0; padding:10px; background:#071522; border:1px solid var(--line); border-radius:16px; box-shadow:var(--shadow); }
  .nav-links.open { display:flex; }
  .nav-links a { padding:12px 13px; }
  .hero { padding:68px 0 62px; }
  h1 { font-size:clamp(3.35rem,18vw,5.2rem); }
  .hero-card { padding:26px; }
  .hero-card .credential { grid-template-columns:1fr; }
  .section { padding:72px 0; }
  .section-head { align-items:start; flex-direction:column; margin-bottom:34px; }
  .book-list { grid-template-columns:1fr; }
  .guides-copy { flex-direction:column; align-items:flex-start; }
  .contact-panel { padding:28px; }
  .footer-grid { flex-direction:column; align-items:flex-start; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior:auto; }
  *, *::before, *::after { animation:none!important; transition:none!important; }
  .reveal { opacity:1; transform:none; }
}

/* Author site refinement: print-cover proportions, accessible social placeholders and consent */
.book-cover{height:auto!important;width:100%!important;max-width:470px;object-fit:contain!important;aspect-ratio:auto!important;display:block;margin:auto}
.cover-shell{display:flex;align-items:center;justify-content:center;min-width:0}
.secondary-cover{display:block;width:min(100%,235px);height:auto;aspect-ratio:auto;object-fit:contain;border-radius:6px;box-shadow:0 12px 28px rgba(0,0,0,.27);margin:0 auto 1.5rem}
.social[aria-disabled="true"]{opacity:.56;cursor:default;pointer-events:none}
.footer-cookie{background:none;border:0;font:inherit;color:inherit;text-decoration:underline;cursor:pointer}
.cookie-banner{position:fixed;z-index:1000;bottom:18px;left:18px;right:18px;max-width:760px;margin:auto;padding:18px 22px;border:1px solid #806a52;background:#071726;color:#f7fbff;border-radius:13px;box-shadow:0 10px 40px #0009}
.cookie-banner[hidden]{display:none!important}
.cookie-banner p{margin:0 0 12px;line-height:1.55}
.cookie-banner button{padding:10px 17px;margin:4px 8px 0 0;border:1px solid #bf9b64;border-radius:7px;color:white;background:#123246;cursor:pointer}
.cookie-banner button[data-consent="accept"]{background:#967343}
@media(max-width:680px){.book-cover{max-width:315px}.cookie-banner{bottom:8px;left:8px;right:8px}}

/* V4 author identity: subtle champagne-gold, distinct from Voltbase corporate */
body{background:radial-gradient(circle at 75% 7%,rgba(216,184,121,.09),transparent 35rem),radial-gradient(circle at 10% 35%,rgba(184,132,82,.06),transparent 30rem),var(--bg)}
.hero-card{background:linear-gradient(150deg,#172538,#081321);border-color:rgba(216,184,121,.24)}
.hero-panel::before{background:radial-gradient(circle,rgba(216,184,121,.2),rgba(184,132,82,.07) 46%,transparent 71%)}
.brand-mark{border-color:rgba(216,184,121,.55)}
.about-portrait{background:radial-gradient(circle at 30% 25%,rgba(216,184,121,.16),transparent 35%),linear-gradient(140deg,#19283b,#091420)}
.contact-panel{background:linear-gradient(135deg,rgba(216,184,121,.09),rgba(184,132,82,.04) 48%,rgba(255,255,255,.02))}
.reading-section{border-block:1px solid var(--line);background:rgba(255,255,255,.01)}
.reading-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
.reading-panel{border:1px solid rgba(216,184,121,.2);background:linear-gradient(150deg,rgba(216,184,121,.055),rgba(8,22,36,.85));border-radius:20px;padding:28px;min-height:250px}
.reading-number{font-size:.73rem;font-weight:800;letter-spacing:.13em;color:var(--accent)}
.reading-panel h3{font-size:1.38rem;line-height:1.2;margin:18px 0 14px}
.reading-panel p{color:var(--muted);margin:0 0 22px}
.reading-panel a{color:var(--accent);font-weight:700;text-decoration:none}
.reading-disclaimer{color:var(--muted);font-size:.84rem;margin-top:22px}
.footer-links{flex-wrap:wrap}
:focus-visible{outline:2px solid var(--accent);outline-offset:4px}
@media(max-width:920px){.reading-grid{grid-template-columns:1fr}.reading-panel{min-height:0}}