/* The Idea Book: extends styles.css + landing.css */
.ic-cat { --src: url(illustrations/cat.svg); }
.ic-cauldron { --src: url(illustrations/cauldron.svg); }
.ic-quill { --src: url(illustrations/quill.svg); }
.ic-glass { --src: url(illustrations/glass.svg); }
.band .eyebrow a { color: inherit; text-decoration: none; border-bottom: 1px solid color-mix(in srgb, var(--almond) 50%, transparent); }

.toc { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 160px), 1fr)); gap: 12px; }
.toc a { display: flex; flex-direction: column; align-items: center; gap: 8px; padding: 18px 10px 14px; text-decoration: none; color: var(--ink); background: var(--card); border: 1px solid var(--line); box-shadow: var(--shadow); text-align: center; transition: transform .15s, border-color .15s; }
.toc a:hover { transform: translateY(-2px); border-color: var(--almond); }
.toc .illo { width: 48px; height: 56px; --illo: var(--peach); }
.toc b { font-family: var(--f-display); font-weight: 600; font-size: 1.1rem; line-height: 1.1; }
.toc .cellar-link { justify-content: center; background: var(--onyx); color: #ECE9E2; border-color: var(--onyx); }
.toc .cellar-link small { font-family: var(--f-hand); font-size: 1.1rem; color: var(--almond); }

.idea { padding: clamp(26px, 5vw, 48px); scroll-margin-top: 20px; }
.idea > * { position: relative; z-index: 1; }
.ihead { display: flex; gap: 22px; align-items: center; }
.ihead .big { width: 84px; height: 110px; --illo: var(--peach); flex: none; }
.idea.onyx .ihead .big { --illo: var(--almond); }
.ihead h2 { font-size: clamp(2.3rem, 6vw, 3.4rem); margin-top: 8px; }
.tagline { font-family: var(--f-hand); font-size: 1.5rem; color: var(--mauve); margin-top: 2px; }
.idea.onyx .tagline { color: var(--almond); }
.pitch { font-family: var(--f-display); font-size: 1.35rem; line-height: 1.4; margin-top: 18px; max-width: 64ch; }
.idea.onyx .pitch { color: #ECE9E2; }
.igrid { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 270px), 1fr)); gap: 24px 30px; margin-top: 26px; }
.igrid h3 { font-size: .66rem; font-family: var(--f-body); font-weight: 500; letter-spacing: .16em; text-transform: uppercase; color: var(--ink-2); padding-bottom: 8px; margin: 0 0 10px; border-bottom: 3px double color-mix(in srgb, var(--almond) 55%, var(--line)); }
.idea.onyx .igrid h3 { color: #A6B0AA; border-bottom-color: color-mix(in srgb, var(--almond) 40%, transparent); }
.igrid ul, .igrid ol { margin: 0; padding-left: 18px; display: flex; flex-direction: column; gap: 7px; line-height: 1.5; }
.igrid ul { list-style: none; padding-left: 0; }
.igrid ul li { padding-left: 16px; position: relative; }
.igrid ul li::before { content: "—"; position: absolute; left: 0; color: var(--almond); }
.idea.onyx li, .idea.onyx p { color: #D9D4CA; }
.aside { font-family: var(--f-hand); font-size: 1.2rem; margin-top: 12px; color: var(--ink-2); }
.cellar { margin-top: 14px; padding: 12px 14px; border: 1px dashed var(--almond); font-size: .95rem; }
.cellar .k { display: block; font-size: .6rem; font-weight: 500; letter-spacing: .16em; text-transform: uppercase; color: var(--peach-ink); margin-bottom: 4px; }
.idea.onyx .cellar .k { color: var(--almond); }
.prompts li { font-family: var(--f-display); font-size: 1.1rem; }
.flight li::marker { font-family: var(--f-mono); color: var(--peach-ink); font-size: .8rem; }
.idea .details { margin-top: 26px; }
.idea .details li { font-size: 1.25rem; }
.details .mark { font-size: .58rem; font-weight: 500; letter-spacing: .14em; text-transform: uppercase; color: var(--green); }
.ictas { margin-top: 26px; }
.guidebook { border-left: 10px solid var(--mauve); }

.cellar-card { position: relative; }
.cellar-card > .illo { position: absolute; right: 36px; top: 30px; width: 70px; height: 98px; --illo: color-mix(in srgb, var(--almond) 55%, transparent); }
.cel-list { list-style: none; padding: 0; margin: 18px 0 0; display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 240px), 1fr)); gap: 10px 26px; }
.cel-list li { padding-left: 18px; position: relative; color: #D9D4CA; }
.cel-list li::before { content: "✓"; position: absolute; left: 0; color: var(--almond); }
.back { color: var(--ink-2); }
@media (max-width: 560px) { .ihead { flex-direction: column; align-items: flex-start; } .cellar-card > .illo { display: none; } }

.idea.onyx .details li { color: #3A2A1E; }
.idea.onyx .details .mark { color: #3E6B49; }