/* Personal identity at the entry points; technical reading keeps the shared system. */
.hero { align-items: center; gap: clamp(28px,4vw,64px); padding-block: 40px 32px; }
.hero .personal-invitation { padding: 0; overflow: hidden; border-radius: 4px 32px 4px 4px; background: var(--surface); }
.personal-invitation::after { display: none; }
.observatory-cover { margin: 0; }
.observatory-cover img { display: block; width: 100%; height: clamp(210px,24vw,330px); object-fit: cover; object-position: 65% 60%; }
.observatory-cover figcaption { display: flex; gap: 8px; justify-content: space-between; flex-wrap: wrap; padding: 9px 20px; border-bottom: 1px solid var(--line); font: .625rem/1.6 var(--field-mono); letter-spacing: .04em; color: var(--muted); background: var(--bg); }
.personal-invitation-copy { padding: 22px 28px; }
.personal-invitation-copy .eyebrow { font-size: var(--label-size); margin: 0; }
.personal-invitation .personal-invitation-copy h2 { font-size: clamp(1.8rem,2.8vw,2.6rem); line-height: 1.12; margin: 12px 0 16px; }
.personal-invitation-copy > p:not(.eyebrow) { font-size: .9rem; line-height: 1.65; color: var(--muted); margin-bottom: 18px; }
.personal-invitation-copy .button { padding: 12px 16px; font-size: .8125rem; }
.anime-evidence { display: grid; grid-template-columns: auto minmax(0,1fr) auto; align-items: center; gap: 14px; padding: 18px 22px; border-top: 1px solid var(--line); background: var(--bg); min-height: 96px; }
.anime-evidence strong { display: block; font-size: .8125rem; line-height: 1.5; font-weight: 600; }
.anime-evidence small { display: block; color: var(--muted); font-size: var(--label-size); line-height: 1.6; margin-top: 4px; }
.anime-evidence > span:last-child { margin-left: auto; color: var(--accent); }
.anime-evidence:hover { background: var(--soft); }
.anime-samples { display: flex; gap: 4px; flex-shrink: 0; }
.anime-sample { position: relative; width: clamp(34px,3.4vw,48px); aspect-ratio: 1/1; overflow: hidden; background: #fff; border: 1px solid var(--line); border-radius: 3px; }
.anime-sample img { position: absolute; width: 400%; height: 400%; max-width: none; left: calc(var(--col)* -100%); top: calc(var(--row)* -100%); }
.notebook-paths { padding-block: 32px 56px; }
.notebook-heading { display: grid; gap: 10px; margin-bottom: 24px; }
.notebook-heading .eyebrow { margin: 0; }
.notebook-heading h2 { margin: 0; line-height: 1.2; }
.notebook-route-grid { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); }
.notebook-route { min-width: 0; padding: 24px; display: flex; flex-direction: column; background: var(--surface); }
.route-number { font: .7rem/1.7 var(--field-mono); color: var(--accent); }
.notebook-route h3, .postcard-copy h3 { font-size: clamp(1.25rem,2vw,1.6rem); line-height: 1.25; margin: 16px 0 12px; letter-spacing: -.025em; }
.notebook-route p, .postcard-copy p { font-size: .9rem; line-height: 1.7; color: var(--muted); margin: 0 0 22px; }
.route-guides a { min-height: 44px; display: flex; align-items: center; font-size: .85rem; color: var(--accent); text-decoration: underline; text-underline-offset: 4px; }
.route-guides { margin-top: auto; display: flex; flex-wrap: wrap; column-gap: 20px; }
#overview .cache-postcard { margin: 0 0 16px; border-radius: 4px 20px 4px 4px; border-top-width: 1px; border-color: var(--line); gap: 1px; background: var(--line); }
#overview .postcard-copy { background: var(--surface); }
.route-guides h4 { flex-basis: 100%; margin: 0 0 4px; font: .7rem/1.7 var(--field-mono); letter-spacing: .1em; text-transform: uppercase; color: var(--muted); }
.journal-topics { display: flex; gap: 12px 24px; flex-wrap: wrap; padding-bottom: 24px; border-bottom: 1px solid var(--line); margin-bottom: 32px; }
.journal-topics a { min-height: 44px; display: flex; align-items: center; font: .8rem/1.5 var(--field-mono); color: var(--accent); text-decoration: underline; text-underline-offset: 5px; }
.journal-feature { display: grid; grid-template-columns: minmax(0,.8fr) minmax(0,1.2fr); gap: 32px; align-items: center; padding: 28px; border: 1px solid var(--line); border-top: 3px solid var(--accent); border-radius: 4px 24px 4px 4px; margin-block: 32px 56px; background: var(--surface); }
.journal-feature-image { display: block; max-width: 340px; background: #fff; border: 1px solid var(--line); }
.journal-feature-image img { display: block; width: 100%; height: auto; }
.journal-feature-copy h2 { font-size: clamp(1.5rem,2.7vw,2.5rem); line-height: 1.2; margin: 14px 0 18px; }
.journal-feature-copy p { font-size: .9375rem; line-height: 1.8; }
.journal-feature-copy .eyebrow { font-size: var(--label-size); }
.journal-feature-copy .journal-feature-meta { font: .75rem/1.8 var(--field-mono); color: var(--muted); }
.journal-feature-copy > a { color: var(--accent); min-height: 44px; display: inline-flex; align-items: center; text-decoration: underline; text-underline-offset: 5px; font-size: .875rem; }

@media(max-width:720px) {
  .hero { padding-block: 56px 24px; gap: 24px; }
  .personal-invitation { text-align: left; }
  .personal-invitation-copy { padding: 22px; }
  .personal-invitation .personal-invitation-copy h2 { font-size: 2rem; }
  .notebook-route-grid { grid-template-columns: 1fr; }
  .journal-feature { grid-template-columns: 1fr; padding: 20px; gap: 20px; }
  .journal-feature-image { max-width: 260px; }
  .journal-topics { justify-content: flex-start; gap: 8px 18px; }
  .journal-feature-copy h2 { font-size: 1.75rem; }
}
@media(prefers-reduced-motion:reduce) { .notebook-route, .anime-evidence { transition: none; } }

.route-icon { width: 40px; height: 40px; display: grid; place-items: center; border: 1px solid var(--line); border-radius: 12px; background: var(--soft); font-size: 1.3rem; margin-bottom: 16px; }
.notebook-route-grid { gap: 16px; border: 0; }
.notebook-route, .notebook-route + .notebook-route { border: 1px solid var(--line); border-radius: 4px 20px 4px 4px; }
@media print { .observatory-cover { display: none; } }
/* R30: a longer "what broke" story reads at body size, not as a pull quote. */
.project-note p.note-long{font-size:1.125rem;line-height:1.55;letter-spacing:-.01em;margin-top:18px}
/* Work proof: Problem, My part and Result are short blocks; each action keeps its preview button beside it. */
.proof-block { margin: 0 0 12px; }
.proof-block strong { display: block; font: 600 .75rem ui-monospace, Menlo, Consolas, monospace; letter-spacing: .12em; text-transform: uppercase; color: var(--muted); }
.proof-actions { list-style: none; margin: 16px 0 0; padding: 0; display: grid; gap: 4px; }
.proof-actions li { display: flex; align-items: center; gap: 2px; }
.proof-actions .text-link { min-width: 0; margin: 0; display: inline-flex; align-items: center; }
:is(.notebook-route, .postcard-copy, .role-heading) .route-status { font-size: .85rem; font-weight: 600; color: var(--ink); margin: 0 0 12px; }

/* Hero arrival, in CSS from the first frame (no blink when scripts load): the eyebrow, buttons and
   proof cells rise in order. Motion-off and reduced-motion rules in styles.css drop it. */
#home :is(.eyebrow, .hero-actions .button, .hero-proof > div) { animation: hero-rise 0.7s cubic-bezier(.2, .7, .2, 1) backwards; }
#home .hero-actions .button:nth-child(1) { animation-delay: 70ms; }
#home .hero-actions .button:nth-child(n+2) { animation-delay: 140ms; }
#home .hero-proof > div:nth-child(1) { animation-delay: 210ms; }
#home .hero-proof > div:nth-child(2) { animation-delay: 280ms; }
#home .hero-proof > div:nth-child(3) { animation-delay: 350ms; }
@keyframes hero-rise { from { opacity: 0; translate: 0 14px; } }