/* dparmar.com — @dparmar design system surfaces + zinc text; amber accent (system amber, matches the book cover).
   Layout: one 68rem column; the square-pattern band sits behind header + hero and fades out. */
:root {
  color-scheme: dark;
  --base: #0a0a0a;
  --surface: #111111;
  --raised: #1a1a1a;
  --border: #2a2a2a;
  --text: #f4f4f5;
  --text-2: #a1a1aa;
  --accent: #f59e0b;
  --radius-card: 0.75rem;
  --radius-btn: 0.5rem;
  --display: "Outfit", Inter, ui-sans-serif, system-ui, sans-serif;
  --body: Inter, ui-sans-serif, system-ui, sans-serif;
  --mono: "JetBrains Mono", ui-monospace, Menlo, monospace;
}

*, *::before, *::after { box-sizing: border-box; }
html { background: var(--base); }
body {
  margin: 0; min-height: 100vh; display: flex; flex-direction: column;
  background: var(--base); color: var(--text);
  font: 400 1.0625rem/1.65 var(--body);
  -webkit-font-smoothing: antialiased;
}
img { display: block; max-width: 100%; height: auto; }
a { color: inherit; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 4px; }
h1, h2 { font-family: var(--display); font-weight: 600; letter-spacing: -0.02em; line-height: 1.05; text-wrap: balance; margin: 0; }
p { margin: 0; }

.wrap { width: 100%; max-width: 68rem; margin-inline: auto; padding-inline: clamp(1rem, 4vw, 2rem); }
main { flex: 1; }

/* Pattern band */
.band { position: relative; isolation: isolate; }
.band::before {
  content: ""; position: absolute; inset: 0; z-index: -1;
  background: url("/assets/bg.png") 0 0 / 720px repeat;
  opacity: 0.35;
  -webkit-mask-image: linear-gradient(to bottom, #000 35%, transparent 100%);
          mask-image: linear-gradient(to bottom, #000 35%, transparent 100%);
}

/* Header */
.site-head .wrap { display: flex; align-items: center; justify-content: space-between; gap: 1rem; padding-block: 1.25rem; }
.brand { font: 600 1.1rem var(--display); letter-spacing: -0.01em; text-decoration: none; }
.nav { display: flex; gap: clamp(1rem, 3vw, 1.75rem); font-size: 0.95rem; }
.nav a { color: var(--text-2); text-decoration: none; padding-block: 0.6rem; transition: color 120ms ease; }
.nav a:hover, .nav a[aria-current="page"] { color: var(--text); }

/* Shared type */
.eyebrow { font: 500 0.75rem/1.2 var(--mono); letter-spacing: 0.1em; text-transform: uppercase; color: var(--accent); }
.accent { color: var(--accent); }
.muted { color: var(--text-2); }
.small { font-size: 0.85rem; }

/* Buttons and links */
.actions { display: flex; flex-wrap: wrap; gap: 0.75rem; }
.btn {
  display: inline-flex; align-items: center; justify-content: center; min-height: 44px;
  padding: 0.6rem 1.15rem; border-radius: var(--radius-btn);
  font: 500 0.95rem var(--body); text-decoration: none;
  transition: background-color 120ms ease, border-color 120ms ease;
}
.btn-primary { background: var(--accent); color: var(--base); }
.btn-primary:hover { background: color-mix(in srgb, var(--accent) 82%, #ffffff); }
.btn-ghost { border: 1px solid var(--border); color: var(--text); background: color-mix(in srgb, var(--base) 70%, transparent); }
.btn-ghost:hover { border-color: var(--text-2); }
.textlink { color: var(--accent); text-decoration: underline; text-decoration-thickness: 1px; text-underline-offset: 4px; }
.textlink:hover { text-decoration-thickness: 2px; }

/* Home hero */
.hero { display: grid; grid-template-columns: minmax(0, 1fr) auto; align-items: center; gap: clamp(2rem, 6vw, 5rem); padding-block: clamp(3rem, 8vw, 6.5rem) clamp(3rem, 7vw, 5rem); }
.hero h1 { font-size: clamp(2.75rem, 7vw, 4.75rem); margin-top: 1rem; }
.motto { font: 400 0.95rem var(--mono); color: var(--text-2); margin-top: 1.25rem; }
.bio { font-size: clamp(1.1rem, 2vw, 1.25rem); max-width: 36ch; margin-top: 1rem; }
.hero .note { margin-top: 0.75rem; }
.hero .actions { margin-top: 2rem; }
.avatar {
  width: clamp(10rem, 22vw, 15rem); aspect-ratio: 1; border-radius: 50%;
  object-fit: cover; object-position: left center;
  border: 4px solid var(--raised); box-shadow: 0 0 0 1px var(--border);
}

/* Book feature card (home) */
.stack { display: grid; align-content: start; gap: clamp(3rem, 8vw, 5rem); padding-bottom: clamp(3rem, 8vw, 6rem); }
.books { gap: 1.5rem; }
.feature {
  display: grid; grid-template-columns: minmax(0, 11rem) minmax(0, 1fr); align-items: center;
  gap: clamp(1.5rem, 4vw, 3rem); padding: clamp(1.25rem, 3vw, 2rem);
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-card);
}
.feature > div { min-width: 0; }
.cover img { border-radius: 3px; box-shadow: 0 14px 32px rgba(0, 0, 0, 0.55); }
.feature h2 { font-size: clamp(1.6rem, 3vw, 2.1rem); margin-top: 0.75rem; }
.feature .sub { color: var(--text-2); margin-top: 0.35rem; }
.feature .desc { color: var(--text-2); max-width: 52ch; margin-top: 1rem; }
.feature .links { display: flex; flex-wrap: wrap; gap: 0.5rem 1.5rem; margin-top: 1.25rem; }

/* Book page */
.book-hero { display: grid; grid-template-columns: minmax(0, 19rem) minmax(0, 1fr); align-items: center; gap: clamp(2rem, 6vw, 4.5rem); padding-block: clamp(2.5rem, 7vw, 5rem); }
.book-hero > div { min-width: 0; }
.book-hero h1 { font-size: clamp(2.5rem, 6vw, 4rem); margin-top: 1rem; }
.book-hero .sub { font-size: clamp(1.1rem, 2vw, 1.35rem); margin-top: 0.75rem; }
.book-hero .for { color: var(--text-2); margin-top: 0.75rem; }
.book-hero .actions { margin-top: 2rem; }

.prose { max-width: 40rem; display: grid; gap: 1.25rem; }
.prose p { color: var(--text-2); }
.prose strong { color: var(--text); font-weight: 600; }
.prose .lead-in { font: 500 clamp(1.3rem, 2.6vw, 1.6rem)/1.35 var(--display); color: var(--text); letter-spacing: -0.01em; }

.principles { display: grid; grid-template-columns: auto minmax(0, 1fr); align-items: center; gap: 0.5rem 1.5rem; padding: 1.25rem 1.5rem; background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-card); }
.principles .count { font: 600 clamp(2.75rem, 6vw, 3.5rem)/1 var(--display); color: var(--accent); }
.principles .count span { display: block; font: 500 0.75rem/1.2 var(--mono); letter-spacing: 0.1em; text-transform: uppercase; color: var(--text-2); margin-top: 0.4rem; }
.principles ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 0.35rem; color: var(--text); }

.byline { display: flex; align-items: center; gap: 1rem; max-width: 40rem; padding-top: 2rem; border-top: 1px solid var(--border); }
.byline img { width: 3.5rem; aspect-ratio: 1; border-radius: 50%; object-fit: cover; object-position: left center; flex-shrink: 0; }

/* Review page */
.ask { max-width: 40rem; display: grid; gap: 1.25rem; padding-block: clamp(2.5rem, 7vw, 5rem) clamp(3rem, 8vw, 6rem); }
.ask h1 { font-size: clamp(2rem, 5vw, 3rem); }
.ask p:not(.eyebrow) { color: var(--text-2); }
.ask .actions { margin-top: 0.75rem; }

/* Footer */
.site-foot { border-top: 1px solid var(--border); color: var(--text-2); font-size: 0.85rem; }
.site-foot .wrap { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 0.5rem 1.5rem; padding-block: 1.5rem; }
.site-foot a { color: var(--text-2); }
.site-foot a:hover { color: var(--text); }

@media (max-width: 760px) {
  .hero { grid-template-columns: 1fr; }
  .avatar { order: -1; width: 8rem; }
  .book-hero { grid-template-columns: 1fr; }
  .book-hero .cover { max-width: 14rem; }
}
@media (max-width: 560px) {
  .feature { grid-template-columns: 1fr; }
  .feature .cover { max-width: 9rem; }
  .principles { grid-template-columns: 1fr; }
}
@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; }
}

/* Review list (one row per book) */
.review-books { display: grid; gap: 0.75rem; margin-top: 0.5rem; }
.review-book { display: flex; flex-wrap: wrap; align-items: center; gap: 1rem; padding: 1rem; background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-card); }
.review-book img { width: 3.25rem; flex-shrink: 0; border-radius: 2px; }
.review-book > div { flex: 1; min-width: 10rem; }
.review-book h2 { font-size: 1.15rem; letter-spacing: -0.01em; }