:root {
  --su-navy: #07152f;
  --su-blue: #2563eb;
  --su-cyan: #06b6d4;
  --su-amber: #d97706;
  --su-ink: #10254b;
  --su-copy: #344766;
  --su-muted: #687791;
  --su-surface: rgba(255, 255, 255, .88);
  --su-surface-solid: #fff;
  --su-soft: #eef5ff;
  --su-line: rgba(63, 101, 168, .2);
  --su-line-strong: rgba(37, 99, 235, .42);
  --su-shadow: 0 28px 70px -46px rgba(16, 45, 101, .58);
  --su-radius-lg: 30px;
  --su-radius-md: 22px;
  --su-radius-sm: 14px;
}

:root[data-theme="dark"] {
  --su-blue: #82b2ff;
  --su-ink: #eff5ff;
  --su-copy: #c5d2eb;
  --su-muted: #93a4c3;
  --su-surface: rgba(9, 22, 49, .86);
  --su-surface-solid: #0b1a37;
  --su-soft: #0a1b3b;
  --su-line: rgba(126, 161, 231, .24);
  --su-line-strong: rgba(89, 145, 255, .58);
  --su-shadow: 0 34px 82px -42px rgba(0, 0, 0, .92);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme]) {
    --su-blue: #82b2ff;
    --su-ink: #eff5ff;
    --su-copy: #c5d2eb;
    --su-muted: #93a4c3;
    --su-surface: rgba(9, 22, 49, .86);
    --su-surface-solid: #0b1a37;
    --su-soft: #0a1b3b;
    --su-line: rgba(126, 161, 231, .24);
    --su-line-strong: rgba(89, 145, 255, .58);
    --su-shadow: 0 34px 82px -42px rgba(0, 0, 0, .92);
  }
}

html[data-lang-loading="true"] body { visibility: hidden; }

.claim-evidence summary { cursor: pointer; color: var(--su-blue); font-weight: 650; }
.claim-evidence[open] summary { margin-bottom: 1rem; }

.startup-page {
  color: var(--su-copy);
  background:
    radial-gradient(circle at 8% 18%, color-mix(in oklab, var(--su-blue) 12%, transparent), transparent 32rem),
    radial-gradient(circle at 96% 46%, color-mix(in oklab, var(--su-cyan) 10%, transparent), transparent 28rem),
    var(--bg);
}

.startup-page main { overflow: clip; }

.startup-shell {
  width: min(1180px, calc(100% - 40px));
  margin-inline: auto;
}

.startup-hero {
  position: relative;
  padding: clamp(3.25rem, 8vw, 7rem) 0 clamp(2.75rem, 6vw, 5rem);
  background:
    linear-gradient(110deg, rgba(4, 14, 36, .98), rgba(8, 34, 76, .94) 58%, rgba(4, 70, 96, .9)),
    var(--su-navy);
  isolation: isolate;
}

.startup-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background-image:
    linear-gradient(rgba(133, 170, 241, .07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(133, 170, 241, .07) 1px, transparent 1px);
  background-size: 52px 52px;
  mask-image: linear-gradient(to bottom, #000, transparent 88%);
}

.startup-hero__grid {
  display: grid;
  grid-template-columns: minmax(0, .88fr) minmax(420px, 1.12fr);
  align-items: center;
  gap: clamp(2rem, 6vw, 5.25rem);
}

.startup-eyebrow,
.startup-kicker {
  margin: 0 0 1rem;
  color: #67e8f9;
  font-size: .75rem;
  font-weight: 800;
  letter-spacing: .18em;
  text-transform: uppercase;
}

.startup-hero h1 {
  margin: 0;
  color: #f8fbff;
  font-size: clamp(2.4rem, 4.2vw, 3.8rem);
  line-height: 1.15;
  letter-spacing: -.045em;
  text-wrap: balance;
}

.startup-hero__lede {
  max-width: 39rem;
  margin: 1.55rem 0 0;
  color: #b9cae6;
  font-size: clamp(1rem, 1.6vw, 1.22rem);
  line-height: 1.85;
}

.startup-hero__meta {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin-top: 2.2rem;
  overflow: hidden;
  border: 1px solid rgba(142, 184, 255, .2);
  border-radius: 16px;
  background: rgba(142, 184, 255, .2);
}

.startup-hero__meta div {
  display: flex;
  min-width: 0;
  flex-direction: column;
  gap: .28rem;
  padding: .95rem 1rem;
  background: rgba(4, 17, 43, .84);
}

.startup-hero__meta strong { color: #fff; font-size: .9rem; }
.startup-hero__meta span { color: #91a6c8; font-size: .74rem; line-height: 1.45; }

.startup-hero__visual {
  position: relative;
  margin: 0;
  overflow: hidden;
  border: 1px solid rgba(126, 191, 255, .28);
  border-radius: var(--su-radius-lg);
  background: #06152f;
  box-shadow: 0 44px 90px -42px rgba(0, 181, 238, .5);
}

.startup-hero__visual::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, .08);
  border-radius: inherit;
}

.startup-hero__visual img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

.startup-hero__visual figcaption {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  align-items: center;
  padding: 1rem 1.25rem;
  color: #a9bfdf;
  border-top: 1px solid rgba(126, 191, 255, .18);
  font-size: .78rem;
  letter-spacing: .035em;
}

.startup-hero__visual figcaption strong { color: #fff; white-space: nowrap; }

.startup-workspace { padding: clamp(2.5rem, 6vw, 5.5rem) 0; }

.startup-tabs {
  position: relative;
  z-index: 4;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: .85rem;
  width: min(820px, 100%);
  margin: 0 auto 1.35rem;
  padding: .55rem;
  border: 1px solid var(--su-line);
  border-radius: 22px;
  background: color-mix(in oklab, var(--su-surface-solid) 84%, transparent);
  box-shadow: 0 18px 60px -44px rgba(15, 50, 120, .75);
  backdrop-filter: blur(18px);
}

.startup-tab {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: .9rem;
  align-items: center;
  min-height: 78px;
  padding: .9rem 1rem;
  text-align: left;
  color: var(--su-muted);
  border: 1px solid transparent;
  border-radius: 17px;
  background: transparent;
  cursor: pointer;
  transition: transform .2s ease, border-color .2s ease, background .2s ease, color .2s ease, box-shadow .2s ease;
}

.startup-tab:hover { color: var(--su-ink); border-color: var(--su-line); }
.startup-tab[aria-selected="true"] {
  color: var(--su-ink);
  border-color: var(--su-line-strong);
  background: linear-gradient(135deg, color-mix(in oklab, var(--su-blue) 13%, var(--su-surface-solid)), color-mix(in oklab, var(--su-cyan) 6%, var(--su-surface-solid)));
  box-shadow: 0 16px 32px -26px rgba(37, 99, 235, .8);
}

.startup-tab__index {
  color: var(--su-blue);
  font-size: .72rem;
  font-weight: 900;
  letter-spacing: .12em;
}

.startup-tab strong,
.startup-tab small { display: block; }
.startup-tab strong { font-size: clamp(.92rem, 1.5vw, 1.03rem); }
.startup-tab small { margin-top: .22rem; color: var(--su-muted); font-size: .72rem; line-height: 1.4; }

.startup-status {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: .55rem;
  min-height: 28px;
  margin-bottom: 1.1rem;
  color: var(--su-muted);
  font-size: .8rem;
}

.startup-status[hidden] { display: none; }

.startup-status__dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--su-cyan);
  box-shadow: 0 0 0 5px color-mix(in oklab, var(--su-cyan) 13%, transparent);
}

.startup-status[data-state="loading"] .startup-status__dot { animation: su-pulse 1.5s ease-in-out infinite; }
.startup-status[data-state="error"] .startup-status__dot { background: #ef4444; box-shadow: 0 0 0 5px rgba(239, 68, 68, .12); }
.startup-status[data-state="partial"] .startup-status__dot { background: #d97706; box-shadow: 0 0 0 5px rgba(217, 119, 6, .14); }
.startup-status[data-state="ready"] .startup-status__dot { background: #16a34a; box-shadow: 0 0 0 5px rgba(22, 163, 74, .12); }

@keyframes su-pulse { 50% { opacity: .35; transform: scale(.75); } }

.startup-panel[hidden] { display: none !important; }

.edition-head {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 1.5rem;
  align-items: end;
  margin: 2rem 0 1.75rem;
}

.edition-head__label { margin: 0 0 .55rem; color: var(--su-blue); font-size: .75rem; font-weight: 850; letter-spacing: .12em; }
.edition-head h2 { margin: 0; color: var(--su-ink); font-size: clamp(1.75rem, 3.5vw, 3.05rem); line-height: 1.12; letter-spacing: -.035em; }
.edition-head__note { max-width: 760px; margin: .9rem 0 0; color: var(--su-copy); font-size: 1rem; line-height: 1.8; }

.edition-head__facts {
  display: grid;
  grid-template-columns: repeat(2, auto);
  gap: .7rem;
  margin: 0;
}

.edition-head__facts div {
  min-width: 92px;
  padding: .75rem .9rem;
  border: 1px solid var(--su-line);
  border-radius: var(--su-radius-sm);
  background: var(--su-surface);
}

.edition-head__facts dt { color: var(--su-muted); font-size: .68rem; }
.edition-head__facts dd { margin: .2rem 0 0; color: var(--su-ink); font-size: 1.15rem; font-weight: 850; }

.opportunity-lead-grid {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: 1rem;
}

.opportunity-card {
  position: relative;
  grid-column: span 6;
  display: flex;
  flex-direction: column;
  min-width: 0;
  padding: clamp(1.35rem, 2.8vw, 2rem);
  overflow: hidden;
  border: 1px solid var(--su-line);
  border-radius: var(--su-radius-md);
  background: var(--su-surface);
  box-shadow: var(--su-shadow);
}

.opportunity-card:first-child { grid-column: span 12; }
.opportunity-card::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 4px;
  background: linear-gradient(var(--su-blue), var(--su-cyan));
}

.opportunity-card:first-child::after {
  content: "";
  position: absolute;
  top: -8rem;
  right: -7rem;
  width: 20rem;
  height: 20rem;
  border-radius: 50%;
  background: radial-gradient(circle, color-mix(in oklab, var(--su-cyan) 15%, transparent), transparent 68%);
  pointer-events: none;
}

.opportunity-card__top,
.brief-card__top,
.case-card__meta {
  display: flex;
  gap: .65rem;
  justify-content: space-between;
  align-items: center;
}

.opportunity-rank {
  color: var(--su-blue);
  font-size: .74rem;
  font-weight: 900;
  letter-spacing: .14em;
}

.opportunity-score,
.evidence-level,
.case-type {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  padding: .28rem .68rem;
  color: var(--su-copy);
  border: 1px solid var(--su-line);
  border-radius: 999px;
  background: var(--su-soft);
  font-size: .7rem;
  font-weight: 750;
}

.opportunity-card h3 { margin: 1rem 0 0; color: var(--su-ink); font-size: clamp(1.35rem, 2.6vw, 2rem); line-height: 1.28; letter-spacing: -.025em; }
.opportunity-card__verdict { margin: .8rem 0 0; color: var(--su-copy); font-size: 1rem; line-height: 1.75; }

.opportunity-core {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: .8rem;
  margin: 1.35rem 0 0;
}

.opportunity-core div {
  padding: .9rem 1rem;
  border: 1px solid var(--su-line);
  border-radius: var(--su-radius-sm);
  background: color-mix(in oklab, var(--su-soft) 68%, transparent);
}

.opportunity-core dt,
.analysis-label { margin: 0 0 .35rem; color: var(--su-muted); font-size: .67rem; font-weight: 850; letter-spacing: .09em; text-transform: uppercase; }
.opportunity-core dd { margin: 0; color: var(--su-copy); font-size: .88rem; line-height: 1.62; }

.opportunity-analysis {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: .85rem;
  margin-top: 1.2rem;
}

.opportunity-analysis section { min-width: 0; padding-top: .85rem; border-top: 1px solid var(--su-line); }
.opportunity-analysis p { margin: 0; color: var(--su-copy); font-size: .86rem; line-height: 1.65; }
.opportunity-analysis ul { margin: 0; padding-left: 1.05rem; }
.opportunity-analysis li { margin: 0 0 .35rem; font-size: .84rem; line-height: 1.55; }

.evidence-drawer { margin-top: auto; padding-top: 1.25rem; }
.evidence-drawer details { border-top: 1px solid var(--su-line); }
.evidence-drawer summary {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  padding: 1rem 0 .2rem;
  color: var(--su-blue);
  font-size: .78rem;
  font-weight: 800;
  cursor: pointer;
  list-style: none;
}
.evidence-drawer summary::-webkit-details-marker { display: none; }
.evidence-drawer summary::after { content: "+"; font-size: 1.15rem; font-weight: 500; }
.evidence-drawer details[open] summary::after { content: "−"; }
.evidence-list { display: grid; gap: .6rem; margin: .85rem 0 0; padding: 0; list-style: none; }
.evidence-list li { padding: .8rem .9rem; border-radius: 12px; background: var(--su-soft); color: var(--su-copy); font-size: .8rem; line-height: 1.55; }
.evidence-list a { color: var(--su-blue); font-weight: 750; }

.brief-section { margin-top: 2.25rem; }
.brief-section__head { display: flex; justify-content: space-between; gap: 1rem; align-items: baseline; margin-bottom: 1rem; }
.brief-section__head h3 { margin: 0; color: var(--su-ink); font-size: 1.25rem; }
.brief-section__head span { color: var(--su-muted); font-size: .78rem; }
.brief-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: .9rem; }

.brief-card {
  padding: 1.25rem;
  border: 1px solid var(--su-line);
  border-radius: 18px;
  background: color-mix(in oklab, var(--su-surface) 88%, transparent);
}

.brief-card h4 { margin: .8rem 0 .45rem; color: var(--su-ink); font-size: 1.03rem; line-height: 1.45; }
.brief-card p { margin: 0; color: var(--su-copy); font-size: .86rem; line-height: 1.65; }
.brief-card__test { margin-top: .85rem !important; padding-top: .8rem; border-top: 1px solid var(--su-line); }
.brief-card__test strong { color: var(--su-ink); }

.case-index-head { margin: 2rem 0 1.5rem; }
.case-index-head .startup-kicker { color: var(--su-blue); }
.case-index-head h2 { margin: 0; color: var(--su-ink); font-size: clamp(1.8rem, 3.5vw, 3rem); letter-spacing: -.035em; }
.case-index-head p { max-width: 700px; margin: .8rem 0 0; line-height: 1.8; }

.case-feature {
  display: grid;
  grid-template-columns: minmax(0, .86fr) minmax(0, 1.14fr);
  overflow: hidden;
  border: 1px solid var(--su-line);
  border-radius: var(--su-radius-lg);
  background: var(--su-surface);
  box-shadow: var(--su-shadow);
}

.case-feature__visual { min-height: 340px; background: var(--su-navy); }
.case-feature__visual img { width: 100%; height: 100%; object-fit: cover; }
.case-feature__copy { display: flex; flex-direction: column; justify-content: center; padding: clamp(1.6rem, 4vw, 3rem); }
.case-feature__copy h3 { margin: 1rem 0 .75rem; color: var(--su-ink); font-size: clamp(1.6rem, 3vw, 2.65rem); line-height: 1.15; letter-spacing: -.035em; }
.case-feature__copy p { margin: 0; line-height: 1.75; }
.case-verdict-short { margin-top: 1.1rem !important; padding-left: 1rem; border-left: 3px solid var(--su-cyan); color: var(--su-ink) !important; font-weight: 700; }

.case-open,
.case-back,
.copy-link {
  align-self: flex-start;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 43px;
  margin-top: 1.4rem;
  padding: .68rem 1rem;
  color: #fff;
  border: 1px solid transparent;
  border-radius: 999px;
  background: var(--su-blue);
  font-size: .82rem;
  font-weight: 800;
  text-decoration: none;
  cursor: pointer;
}

.case-back,
.copy-link { color: var(--su-blue); border-color: var(--su-line-strong); background: transparent; }
.case-open:hover,
.case-back:hover,
.copy-link:hover { transform: translateY(-1px); }

.case-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: .9rem; margin-top: 1.25rem; }
.case-card { display: flex; flex-direction: column; padding: 1.25rem; border: 1px solid var(--su-line); border-radius: 18px; background: var(--su-surface); }
.case-card h3 { margin: .9rem 0 .55rem; color: var(--su-ink); font-size: 1.08rem; line-height: 1.45; }
.case-card p { margin: 0; color: var(--su-copy); font-size: .84rem; line-height: 1.65; }
.case-card .case-open { margin-top: auto; padding-top: .58rem; padding-bottom: .58rem; }

.case-detail { width: min(930px, 100%); margin-inline: auto; }
#case-root { scroll-margin-top: 92px; }
.case-detail__actions { display: flex; justify-content: space-between; gap: 1rem; align-items: center; margin: 2rem 0 1.2rem; }
.case-detail__actions .case-back,
.case-detail__actions .copy-link { margin-top: 0; }

.case-masthead { padding: clamp(1.5rem, 4vw, 3rem); border: 1px solid var(--su-line); border-radius: var(--su-radius-lg); background: var(--su-surface); box-shadow: var(--su-shadow); }
.case-masthead h2 { margin: 1rem 0 .8rem; color: var(--su-ink); font-size: clamp(2rem, 5vw, 4rem); line-height: 1.06; letter-spacing: -.05em; }
.case-masthead__dek { margin: 0; font-size: 1.05rem; line-height: 1.8; }
.case-masthead__meta { display: flex; flex-wrap: wrap; gap: .55rem; color: var(--su-muted); font-size: .76rem; }

.case-verdict {
  margin: 1.15rem 0 0;
  padding: 1.2rem 1.25rem;
  border-left: 4px solid var(--su-cyan);
  border-radius: 0 14px 14px 0;
  background: var(--su-soft);
}
.case-verdict span { display: block; color: var(--su-muted); font-size: .68rem; font-weight: 850; letter-spacing: .1em; }
.case-verdict p { margin: .45rem 0 0; color: var(--su-ink); font-size: 1.08rem; font-weight: 750; line-height: 1.7; }

.case-central-question { margin: 1.2rem 0 0; color: var(--su-copy); font-size: .9rem; }
.case-central-question strong { color: var(--su-ink); }

.case-timeline { display: flex; gap: .75rem; margin: 1.25rem 0 2rem; overflow-x: auto; padding: .1rem .05rem .7rem; scroll-snap-type: x proximity; }
.case-timeline { scrollbar-width: thin; scrollbar-color: var(--su-line-strong) transparent; }
.case-timeline::-webkit-scrollbar { height: 6px; }
.case-timeline::-webkit-scrollbar-track { background: transparent; }
.case-timeline::-webkit-scrollbar-thumb { border-radius: 999px; background: var(--su-line-strong); }
.case-timeline__item { flex: 0 0 min(260px, 78vw); scroll-snap-align: start; padding: 1rem; border: 1px solid var(--su-line); border-radius: 16px; background: var(--su-surface); }
.case-timeline__item time { color: var(--su-blue); font-size: .72rem; font-weight: 850; }
.case-timeline__item p { margin: .45rem 0 0; color: var(--su-copy); font-size: .82rem; line-height: 1.6; }

.case-section { padding: clamp(1.25rem, 3vw, 2.25rem) 0; border-top: 1px solid var(--su-line); }
.case-section__number { color: var(--su-blue); font-size: .7rem; font-weight: 900; letter-spacing: .14em; }
.case-section h3 { margin: .65rem 0 .8rem; color: var(--su-ink); font-size: clamp(1.45rem, 3vw, 2.25rem); line-height: 1.2; letter-spacing: -.025em; }
.case-section__thesis { margin: 0 0 1rem; color: var(--su-ink); font-size: 1.05rem; font-weight: 700; line-height: 1.7; }
.case-section__body p { margin: 0 0 1rem; color: var(--su-copy); font-size: .98rem; line-height: 1.9; }

.claim-notes { display: flex; flex-wrap: wrap; gap: .45rem; margin-top: 1.1rem; }
.claim-tag { padding: .3rem .62rem; border-radius: 999px; background: var(--su-soft); color: var(--su-muted); font-size: .68rem; font-weight: 750; }

.claim-evidence {
  display: grid;
  gap: .65rem;
  margin-top: 1rem;
  padding: 1rem;
  border: 1px solid var(--su-line);
  border-radius: 16px;
  background: color-mix(in oklab, var(--su-soft) 74%, transparent);
}

.claim-evidence h4 {
  margin: 0;
  color: var(--su-muted);
  font-size: .68rem;
  font-weight: 850;
  letter-spacing: .1em;
  text-transform: uppercase;
}

.claim-evidence__row {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: .55rem .7rem;
  align-items: start;
}

.claim-evidence__row p {
  margin: .05rem 0 0;
  color: var(--su-copy);
  font-size: .8rem;
  line-height: 1.62;
}

.claim-evidence__sources {
  grid-column: 2;
  display: flex;
  flex-wrap: wrap;
  gap: .35rem .7rem;
}

.claim-evidence__sources a {
  color: var(--su-blue);
  font-size: .72rem;
  font-weight: 750;
}

.claim-tag--fact { color: #047857; background: rgba(16, 185, 129, .1); }
.claim-tag--company_claim { color: #a16207; background: rgba(234, 179, 8, .12); }
.claim-tag--editorial_inference { color: var(--su-blue); background: color-mix(in oklab, var(--su-blue) 10%, transparent); }
.claim-tag--unknown { color: #b91c1c; background: rgba(239, 68, 68, .1); }

html[data-theme="dark"] .claim-tag--fact { color: #6ee7b7; }
html[data-theme="dark"] .claim-tag--company_claim { color: #fde68a; }
html[data-theme="dark"] .claim-tag--unknown { color: #fca5a5; }

.case-lessons { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1rem; margin: 1rem 0 2rem; }
.case-lessons section { padding: 1.25rem; border: 1px solid var(--su-line); border-radius: 18px; background: var(--su-surface); }
.case-lessons h3 { margin: 0 0 .8rem; color: var(--su-ink); font-size: 1rem; }
.case-lessons ul { margin: 0; padding-left: 1.1rem; }
.case-lessons li { margin-bottom: .55rem; font-size: .88rem; line-height: 1.6; }

.case-experiment { grid-column: 1 / -1; border-color: var(--su-line-strong) !important; }
.case-experiment p { margin: 0; color: var(--su-ink); font-weight: 700; line-height: 1.7; }

.source-block { margin: 1.5rem 0 2.5rem; padding: 1.25rem; border: 1px solid var(--su-line); border-radius: 18px; background: var(--su-soft); }
.source-block h3 { margin: 0 0 .8rem; color: var(--su-ink); font-size: 1rem; }
.source-block ol { margin: 0; padding-left: 1.25rem; }
.source-block li { margin-bottom: .7rem; color: var(--su-copy); font-size: .8rem; line-height: 1.55; }
.source-block a { color: var(--su-blue); font-weight: 750; }

.startup-empty {
  padding: 2.5rem;
  text-align: center;
  border: 1px dashed var(--su-line-strong);
  border-radius: var(--su-radius-md);
  background: var(--su-surface);
}
.startup-empty h2 { margin: 0; color: var(--su-ink); }
.startup-empty p { max-width: 560px; margin: .8rem auto 0; line-height: 1.75; }

.startup-tab:focus-visible,
.case-open:focus-visible,
.case-back:focus-visible,
.copy-link:focus-visible,
.evidence-drawer summary:focus-visible,
.source-block a:focus-visible {
  outline: 3px solid color-mix(in oklab, var(--su-cyan) 55%, transparent);
  outline-offset: 3px;
}

@media (max-width: 900px) {
  .startup-hero__grid { grid-template-columns: 1fr; }
  .startup-hero__copy { max-width: 680px; }
  .startup-hero__visual { max-width: 760px; }
  .opportunity-analysis { grid-template-columns: 1fr; }
  .case-feature { grid-template-columns: 1fr; }
  .case-feature__visual { min-height: 250px; max-height: 380px; }
  .case-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 680px) {
  .startup-shell { width: min(100% - 24px, 1180px); }
  .startup-hero { padding-top: 7rem; }
  .startup-hero__meta { grid-template-columns: 1fr; }
  .startup-hero__meta div { flex-direction: row; justify-content: space-between; align-items: center; }
  .startup-hero__visual { border-radius: 20px; }
  .startup-hero__visual figcaption { align-items: flex-start; flex-direction: column; }
  .startup-tabs { grid-template-columns: 1fr; border-radius: 18px; }
  .startup-tab { min-height: 68px; }
  .edition-head { grid-template-columns: 1fr; align-items: start; }
  .edition-head__facts { width: 100%; }
  .edition-head__facts div { min-width: 0; }
  .opportunity-card,
  .opportunity-card:first-child { grid-column: span 12; }
  .opportunity-core { grid-template-columns: 1fr; }
  .brief-grid,
  .case-grid,
  .case-lessons { grid-template-columns: 1fr; }
  .case-feature__visual { min-height: 210px; }
  .case-detail__actions { align-items: stretch; }
  .case-detail__actions button { flex: 1; }
}

@media (prefers-reduced-motion: reduce) {
  .startup-page *,
  .startup-page *::before,
  .startup-page *::after {
    scroll-behavior: auto !important;
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
  }
}