/* Eric T. Morris — Author site
   Palette drawn from the book covers: deep navy, dark teal, warm gold, paper. */

:root {
  --navy-950: #081627;
  --navy-900: #0c1f36;
  --navy-800: #122a47;
  --navy-700: #1b3a5c;
  --teal-900: #0e2a2f;
  --teal-800: #12363c;
  --gold-500: #d4a24c;
  --gold-400: #e4b86a;
  --gold-300: #f0d08f;
  --paper: #f6f1e8;
  --paper-2: #efe7d8;
  --ink: #16202b;
  --ink-2: #4a5663;
  --ink-3: #7a8591;
  --line: rgba(22, 32, 43, 0.12);
  --line-dark: rgba(246, 241, 232, 0.14);

  --font-display: 'Playfair Display', 'Georgia', serif;
  --font-body: 'Satoshi', 'Inter', system-ui, -apple-system, sans-serif;

  --text-xs: clamp(0.75rem, 0.72rem + 0.15vw, 0.8125rem);
  --text-sm: clamp(0.875rem, 0.85rem + 0.15vw, 0.9375rem);
  --text-base: clamp(1rem, 0.97rem + 0.2vw, 1.0625rem);
  --text-lg: clamp(1.125rem, 1.05rem + 0.4vw, 1.375rem);
  --text-xl: clamp(1.5rem, 1.25rem + 1.2vw, 2.25rem);
  --text-2xl: clamp(2rem, 1.5rem + 2.4vw, 3.5rem);
  --text-hero: clamp(2.5rem, 1.6rem + 4.5vw, 5.25rem);

  --space-1: 0.25rem; --space-2: 0.5rem; --space-3: 0.75rem; --space-4: 1rem;
  --space-6: 1.5rem; --space-8: 2rem; --space-12: 3rem; --space-16: 4rem;
  --space-24: 6rem; --space-32: 8rem;

  --radius-sm: 4px; --radius-md: 8px; --radius-lg: 14px;
  --container: 1180px;
  --ease: cubic-bezier(0.16, 1, 0.3, 1);
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
[id] { scroll-margin-top: 84px; }
body {
  margin: 0;
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: 1.65;
  color: var(--ink);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
figure { margin: 0; }
a { color: inherit; }
h1, h2, h3, h4 { font-family: var(--font-display); font-weight: 600; line-height: 1.12; margin: 0; letter-spacing: -0.01em; }
p { margin: 0 0 1em; }
ul, ol { margin: 0; padding: 0; list-style: none; }
:focus-visible { outline: 2px solid var(--gold-500); outline-offset: 3px; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

.container { width: min(100% - 2.5rem, var(--container)); margin-inline: auto; }
.section { padding-block: clamp(var(--space-16), 9vw, var(--space-32)); }
.section--tight { padding-block: clamp(var(--space-12), 6vw, var(--space-24)); }
.dark { background: var(--navy-900); color: var(--paper); }
.dark .eyebrow { color: var(--gold-400); }
.dark .lede, .dark .muted { color: rgba(246, 241, 232, 0.72); }
.teal { background: var(--teal-900); color: var(--paper); }

.eyebrow {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: #9a6f1f;
  margin: 0 0 var(--space-4);
  display: flex; align-items: center; gap: var(--space-3);
}
.eyebrow::before { content: ""; width: 28px; height: 2px; background: var(--gold-500); flex: none; }
.eyebrow--center { justify-content: center; }
.eyebrow--center::after { content: ""; width: 28px; height: 2px; background: var(--gold-500); flex: none; }
.lede { font-size: var(--text-lg); line-height: 1.5; color: var(--ink-2); max-width: 60ch; }
.muted { color: var(--ink-3); }
.measure { max-width: 66ch; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: var(--space-2);
  font-family: var(--font-body); font-size: var(--text-sm); font-weight: 700; letter-spacing: 0.01em;
  padding: 0.85rem 1.4rem; border-radius: var(--radius-sm); text-decoration: none;
  border: 1.5px solid transparent; cursor: pointer; white-space: nowrap;
  transition: transform 0.25s var(--ease), background 0.25s var(--ease), border-color 0.25s var(--ease), color 0.25s var(--ease);
}
.btn:hover { transform: translateY(-1px); }
.btn svg { width: 16px; height: 16px; flex: none; }
.btn--gold { background: var(--gold-500); color: var(--navy-950); }
.btn--gold:hover { background: var(--gold-400); }
.btn--outline { background: transparent; border-color: currentColor; }
.dark .btn--outline:hover, .teal .btn--outline:hover { background: rgba(246, 241, 232, 0.08); }
.btn--navy { background: var(--navy-900); color: var(--paper); }
.btn--navy:hover { background: var(--navy-800); }
.btn-row { display: flex; flex-wrap: wrap; gap: var(--space-3); align-items: center; }
.btn-note { font-size: var(--text-xs); color: var(--ink-3); margin: var(--space-3) 0 0; }
.dark .btn-note { color: rgba(246, 241, 232, 0.55); }

/* ---------- Header ---------- */
.header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(12, 31, 54, 0.92);
  backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
  color: var(--paper);
  border-bottom: 1px solid var(--line-dark);
}
.header__inner { display: flex; align-items: center; justify-content: space-between; gap: var(--space-6); min-height: 68px; }
.brand { display: inline-flex; align-items: center; gap: var(--space-3); text-decoration: none; color: inherit; }
.brand__mark { width: 36px; height: 36px; color: var(--gold-400); flex: none; }
.brand__text { font-family: var(--font-display); font-size: 1.15rem; font-weight: 600; letter-spacing: 0.01em; line-height: 1; }
.brand__sub { display: block; font-family: var(--font-body); font-size: 0.65rem; font-weight: 700; letter-spacing: 0.22em; text-transform: uppercase; color: var(--gold-400); margin-top: 4px; }
.nav { display: flex; align-items: center; gap: clamp(var(--space-4), 2.5vw, var(--space-8)); }
.nav a { font-size: var(--text-sm); font-weight: 600; text-decoration: none; color: rgba(246, 241, 232, 0.82); position: relative; padding-block: 4px; }
.nav a::after { content: ""; position: absolute; left: 0; right: 0; bottom: -2px; height: 1.5px; background: var(--gold-400); transform: scaleX(0); transform-origin: left; transition: transform 0.3s var(--ease); }
.nav a:hover::after, .nav a[aria-current="page"]::after { transform: scaleX(1); }
.nav a:hover { color: var(--paper); }
.nav .btn { padding: 0.6rem 1rem; }
.nav-toggle { display: none; background: none; border: 1px solid var(--line-dark); color: var(--paper); border-radius: var(--radius-sm); padding: 8px 10px; cursor: pointer; }
.nav-toggle svg { width: 20px; height: 20px; display: block; }

@media (max-width: 760px) {
  .nav-toggle { display: inline-flex; }
  .nav { display: none; position: absolute; top: 100%; left: 0; right: 0; flex-direction: column; align-items: stretch; gap: 0; background: var(--navy-900); border-bottom: 1px solid var(--line-dark); padding: var(--space-3) 0 var(--space-4); }
  .nav.is-open { display: flex; }
  .nav a { padding: 0.8rem 1.25rem; }
  .nav a::after { display: none; }
  .nav .btn { margin: var(--space-3) 1.25rem 0; }
}

/* ---------- Hero ---------- */
.hero {
  position: relative; overflow: hidden;
  background:
    radial-gradient(1200px 600px at 85% 10%, rgba(212, 162, 76, 0.16), transparent 60%),
    radial-gradient(900px 500px at 10% 100%, rgba(18, 54, 60, 0.9), transparent 60%),
    linear-gradient(180deg, var(--navy-900) 0%, var(--navy-950) 100%);
  color: var(--paper);
}
.hero::before {
  content: ""; position: absolute; inset: 0; pointer-events: none; opacity: 0.35;
  background-image:
    linear-gradient(rgba(246,241,232,0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(246,241,232,0.05) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(ellipse at 70% 40%, black 30%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse at 70% 40%, black 30%, transparent 75%);
}
.hero__inner {
  position: relative; display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr);
  gap: clamp(var(--space-8), 6vw, var(--space-24)); align-items: center;
  padding-block: clamp(var(--space-16), 8vw, var(--space-32));
  min-height: min(82vh, 820px);
}
.hero h1 { font-size: var(--text-hero); font-weight: 500; letter-spacing: -0.02em; line-height: 1.02; }
.hero h1 em { font-style: italic; color: var(--gold-400); }
.hero .lede { color: rgba(246, 241, 232, 0.78); margin-top: var(--space-6); }
.hero .btn-row { margin-top: var(--space-8); }
.hero__meta { display: flex; flex-wrap: wrap; gap: var(--space-6) var(--space-8); margin-top: var(--space-12); padding-top: var(--space-6); border-top: 1px solid var(--line-dark); }
.hero__meta div { font-size: var(--text-xs); letter-spacing: 0.12em; text-transform: uppercase; color: rgba(246, 241, 232, 0.6); }
.hero__meta strong { display: block; font-family: var(--font-display); font-size: var(--text-lg); letter-spacing: 0; text-transform: none; color: var(--paper); margin-bottom: 2px; }

.covers { position: relative; display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-6); align-items: end; perspective: 1400px; padding: var(--space-8) var(--space-4) var(--space-6); }
.cover { position: relative; border-radius: 3px; overflow: hidden; box-shadow: 0 30px 60px -20px rgba(0, 0, 0, 0.65), 0 10px 20px -10px rgba(0,0,0,0.5); transition: transform 0.6s var(--ease); background: var(--navy-800); }
.cover::after { content: ""; position: absolute; inset: 0; background: linear-gradient(100deg, rgba(255,255,255,0.14) 0%, rgba(255,255,255,0) 28%, rgba(0,0,0,0) 70%, rgba(0,0,0,0.18) 100%); pointer-events: none; }
.cover--left { transform: rotateY(14deg) translateY(10px); transform-origin: right center; }
.cover--right { transform: rotateY(-14deg) translateY(-18px); transform-origin: left center; }
.covers:hover .cover--left { transform: rotateY(8deg) translateY(4px); }
.covers:hover .cover--right { transform: rotateY(-8deg) translateY(-24px); }
.cover img { width: 100%; height: auto; }

@media (max-width: 900px) {
  .hero__inner { grid-template-columns: 1fr; min-height: 0; }
  .covers { max-width: 520px; margin-top: var(--space-6); }
}

/* ---------- Audience split ---------- */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 0; border: 1px solid var(--line); border-radius: var(--radius-lg); overflow: hidden; background: #fff; }
.split__cell { padding: clamp(var(--space-8), 4vw, var(--space-12)); }
.split__cell + .split__cell { border-left: 1px solid var(--line); }
.split__cell h3 { font-size: var(--text-xl); margin-bottom: var(--space-3); }
.split__cell p { color: var(--ink-2); }
.split__cell .tag { display: inline-block; font-size: var(--text-xs); font-weight: 700; letter-spacing: 0.14em; text-transform: uppercase; color: #9a6f1f; margin-bottom: var(--space-4); }
.split__cell a.more { font-weight: 700; text-decoration: none; color: var(--navy-800); border-bottom: 1.5px solid var(--gold-500); padding-bottom: 1px; }
.split--3 { grid-template-columns: repeat(3, 1fr); }
@media (max-width: 760px) { .split, .split--3 { grid-template-columns: 1fr; } .split__cell + .split__cell { border-left: 0; border-top: 1px solid var(--line); } }

/* ---------- Book feature ---------- */
.book { display: grid; grid-template-columns: minmax(260px, 0.8fr) minmax(0, 1.2fr); gap: clamp(var(--space-8), 6vw, var(--space-24)); align-items: start; }
.book--flip .book__media { order: 2; }
.book__media { position: sticky; top: 96px; }
.book__media .cover { max-width: 380px; margin-inline: auto; transform: none; }
.book__media .cover:hover { transform: translateY(-6px) rotate(-0.5deg); }
.book__facts { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-4); margin-top: var(--space-6); max-width: 380px; margin-inline: auto; }
.book__facts div { font-size: var(--text-xs); letter-spacing: 0.1em; text-transform: uppercase; color: var(--ink-3); padding: var(--space-3) 0; border-top: 1px solid var(--line); }
.dark .book__facts div { color: rgba(246,241,232,0.55); border-color: var(--line-dark); }
.book__facts strong { display: block; font-family: var(--font-display); font-size: var(--text-base); letter-spacing: 0; text-transform: none; color: var(--ink); font-weight: 600; }
.dark .book__facts strong { color: var(--paper); }
.book__body h2 { font-size: var(--text-2xl); font-weight: 500; letter-spacing: -0.015em; }
.book__body .subtitle { font-family: var(--font-display); font-style: italic; font-size: var(--text-lg); color: var(--ink-2); margin: var(--space-3) 0 var(--space-6); line-height: 1.35; }
.dark .book__body .subtitle { color: rgba(246,241,232,0.7); }
.book__body p { max-width: 66ch; }
.book__body .hook { font-family: var(--font-display); font-size: var(--text-xl); font-weight: 500; line-height: 1.3; color: var(--navy-800); margin-bottom: var(--space-6); }
.dark .book__body .hook { color: var(--gold-300); }
.book__body .btn-row { margin-top: var(--space-8); }
@media (max-width: 860px) {
  .book { grid-template-columns: 1fr; }
  .book--flip .book__media { order: 0; }
  .book__media { position: static; }
}

/* Checklist */
.checklist { display: grid; gap: var(--space-3); margin: var(--space-6) 0; max-width: 66ch; }
.checklist li { position: relative; padding-left: 2rem; color: var(--ink); }
.dark .checklist li { color: rgba(246,241,232,0.9); }
.checklist li strong { font-weight: 700; }
.checklist li::before { content: ""; position: absolute; left: 0; top: 0.42em; width: 18px; height: 18px; border-radius: 50%; border: 1.5px solid var(--gold-500); background: linear-gradient(135deg, rgba(212,162,76,0.25), transparent); }
.checklist li::after { content: ""; position: absolute; left: 6px; top: calc(0.42em + 4px); width: 5px; height: 9px; border: solid var(--gold-500); border-width: 0 2px 2px 0; transform: rotate(45deg); }

/* ---------- Framework strips ---------- */
.framework { margin-top: var(--space-12); }
.framework__title { font-size: var(--text-xs); font-weight: 700; letter-spacing: 0.18em; text-transform: uppercase; color: #9a6f1f; margin-bottom: var(--space-4); }
.dark .framework__title { color: var(--gold-400); }
.steps { display: grid; grid-template-columns: repeat(5, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: var(--radius-md); overflow: hidden; }
.dark .steps { background: var(--line-dark); border-color: var(--line-dark); }
.steps li { background: #fff; padding: var(--space-4) var(--space-4) var(--space-4); }
.dark .steps li { background: var(--navy-800); }
.steps .letter { font-family: var(--font-display); font-size: var(--text-xl); color: var(--gold-500); line-height: 1; }
.steps .word { display: block; font-weight: 700; font-size: var(--text-sm); margin-top: var(--space-2); }
.steps .desc { display: block; font-size: var(--text-xs); color: var(--ink-3); margin-top: var(--space-1); line-height: 1.45; }
.dark .steps .desc { color: rgba(246,241,232,0.6); }
@media (max-width: 760px) { .steps { grid-template-columns: repeat(2, 1fr); } .steps li:last-child { grid-column: span 2; } }

.foundation { display: grid; grid-template-columns: repeat(5, 1fr); gap: var(--space-3); counter-reset: f; }
.foundation li { background: rgba(246,241,232,0.05); border: 1px solid var(--line-dark); border-radius: var(--radius-md); padding: var(--space-4); min-height: 96px; }
.foundation .letter { font-family: var(--font-display); font-size: var(--text-xl); color: var(--gold-400); line-height: 1; }
.foundation .word { display: block; font-size: var(--text-xs); letter-spacing: 0.1em; text-transform: uppercase; color: rgba(246,241,232,0.75); margin-top: var(--space-2); font-weight: 700; }
@media (max-width: 860px) { .foundation { grid-template-columns: repeat(5, 1fr); } .foundation li { min-height: 0; padding: var(--space-3); } }
@media (max-width: 560px) { .foundation { grid-template-columns: repeat(2, 1fr); } }

/* ---------- Pull quote ---------- */
.quote { text-align: center; padding-block: clamp(var(--space-12), 8vw, var(--space-24)); }
.quote blockquote { margin: 0 auto; max-width: 28ch; font-family: var(--font-display); font-size: var(--text-2xl); font-weight: 500; line-height: 1.2; letter-spacing: -0.015em; }
.quote blockquote::before { content: "“"; color: var(--gold-500); }
.quote blockquote::after { content: "”"; color: var(--gold-500); }
.quote cite { display: block; margin-top: var(--space-6); font-style: normal; font-size: var(--text-xs); letter-spacing: 0.16em; text-transform: uppercase; color: var(--ink-3); }
.dark .quote cite, .teal .quote cite { color: rgba(246,241,232,0.6); }

/* ---------- Author ---------- */
.author { display: grid; grid-template-columns: minmax(260px, 0.75fr) minmax(0, 1.25fr); gap: clamp(var(--space-8), 6vw, var(--space-24)); align-items: start; }
.portrait { position: relative; max-width: 420px; }
.portrait img { border-radius: var(--radius-md); box-shadow: 0 30px 60px -30px rgba(8, 22, 39, 0.6); }
.portrait::before { content: ""; position: absolute; inset: 18px -18px -18px 18px; border: 1.5px solid var(--gold-500); border-radius: var(--radius-md); z-index: -1; }
.portrait figcaption { margin-top: var(--space-6); font-size: var(--text-sm); color: var(--ink-3); }
.author__body h2 { font-size: var(--text-2xl); font-weight: 500; letter-spacing: -0.015em; margin-bottom: var(--space-6); }
.author__body p { max-width: 66ch; }
.author__body .drop::first-letter { font-family: var(--font-display); font-size: 3.4em; float: left; line-height: 0.8; padding: 0.08em 0.12em 0 0; color: var(--gold-500); }
.creds { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-4) var(--space-8); margin-top: var(--space-8); padding-top: var(--space-6); border-top: 1px solid var(--line); max-width: 66ch; }
.creds li { font-size: var(--text-sm); color: var(--ink-2); padding-left: 1.25rem; position: relative; }
.dark .creds { border-color: var(--line-dark); }
.dark .creds li { color: rgba(246,241,232,0.78); }
.dark .portrait figcaption { color: rgba(246,241,232,0.6); }
.creds li::before { content: ""; position: absolute; left: 0; top: 0.6em; width: 7px; height: 7px; background: var(--gold-500); transform: rotate(45deg); }
@media (max-width: 860px) { .author { grid-template-columns: 1fr; } .portrait { max-width: 320px; } }
@media (max-width: 560px) { .creds { grid-template-columns: 1fr; } }

/* ---------- Book cards (other book) ---------- */
.card-book { display: grid; grid-template-columns: 140px 1fr; gap: var(--space-6); align-items: center; background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg); padding: var(--space-6); max-width: 760px; margin-inline: auto; }
.card-book .cover { max-width: 140px; transform: none; }
.card-book h3 { font-size: var(--text-xl); margin: var(--space-1) 0 var(--space-2); }
.card-book p { color: var(--ink-2); font-size: var(--text-sm); }
@media (max-width: 560px) { .card-book { grid-template-columns: 1fr; } .card-book .cover { max-width: 160px; } }

/* ---------- CTA band ---------- */
.cta { text-align: center; }
.cta h2 { font-size: var(--text-2xl); font-weight: 500; letter-spacing: -0.015em; max-width: 22ch; margin-inline: auto; }
.cta p { max-width: 54ch; margin: var(--space-4) auto var(--space-8); color: rgba(246,241,232,0.72); }
.cta .btn-row { justify-content: center; }

/* ---------- Footer ---------- */
.footer { background: var(--navy-950); color: rgba(246,241,232,0.7); padding-block: var(--space-12) var(--space-8); font-size: var(--text-sm); }
.footer__inner { display: flex; flex-wrap: wrap; gap: var(--space-6) var(--space-12); justify-content: space-between; align-items: flex-start; }
.footer .brand__text { color: var(--paper); }
.footer nav { display: flex; flex-wrap: wrap; gap: var(--space-4) var(--space-6); }
.footer nav a { text-decoration: none; color: rgba(246,241,232,0.7); }
.footer nav a:hover { color: var(--paper); }
.footer__legal { margin-top: var(--space-8); padding-top: var(--space-6); border-top: 1px solid var(--line-dark); font-size: var(--text-xs); color: rgba(246,241,232,0.45); display: flex; flex-wrap: wrap; gap: var(--space-2) var(--space-6); justify-content: space-between; }

/* ---------- Page hero (book pages) ---------- */
.page-hero { padding-block: clamp(var(--space-12), 6vw, var(--space-24)) 0; }
.breadcrumb { font-size: var(--text-xs); letter-spacing: 0.12em; text-transform: uppercase; color: rgba(246,241,232,0.55); margin-bottom: var(--space-6); }
.breadcrumb a { text-decoration: none; color: inherit; }
.breadcrumb a:hover { color: var(--gold-400); }

/* ---------- Reveal ---------- */
.reveal { opacity: 0; transform: translateY(18px); transition: opacity 0.7s var(--ease), transform 0.7s var(--ease); }
.reveal.is-visible { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
  .cover, .btn { transition: none; }
}