.a1-hero { padding: 70px 0 84px; overflow: hidden; }
.a1-hero-grid { display: grid; grid-template-columns: 1.08fr .92fr; align-items: center; gap: 64px; }
.a1-hero h1 { max-width: 780px; margin-bottom: 28px; font-size: clamp(3rem, 6.2vw, 5.7rem); }
.a1-lead { max-width: 760px; color: var(--muted); font-size: clamp(1.05rem, 1.6vw, 1.24rem); line-height: 1.68; }
.a1-meta { display: flex; flex-wrap: wrap; gap: 8px; margin: 0 0 18px; }
.a1-meta span { padding: 7px 10px; border-radius: 999px; color: var(--teal-dark); background: var(--teal-soft); font-size: .66rem; font-weight: 900; letter-spacing: .06em; text-transform: uppercase; }
.regional-visual { position: relative; padding: 26px; border: 1px solid rgba(255,255,255,.9); border-radius: 28px; background: rgba(255,255,255,.92); box-shadow: var(--shadow); }
.regional-visual::before { position: absolute; inset: 18px -18px -18px 18px; z-index: -1; border-radius: 28px; background: var(--teal-soft); content: ""; }
.visual-heading { margin-bottom: 20px; padding-bottom: 16px; border-bottom: 1px solid var(--line); color: var(--muted); font-size: .66rem; font-weight: 900; letter-spacing: .1em; text-transform: uppercase; }
.country-counts { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.country-count { min-height: 155px; padding: 22px; border-radius: 18px; background: var(--teal-soft); }
.country-count.nonmember { color: #fff; background: var(--teal-dark); }
.country-count strong, .country-count span { display: block; }
.country-count strong { margin-bottom: 10px; font-family: Georgia, serif; font-size: 4.6rem; font-style: italic; font-weight: 500; letter-spacing: -.08em; line-height: .8; }
.country-count span { font-size: .75rem; font-weight: 900; line-height: 1.35; text-transform: uppercase; }
.visual-arrow { display: grid; width: 36px; height: 36px; margin: 15px auto; place-items: center; border-radius: 50%; color: #fff; background: var(--orange); font-weight: 900; }
.collection-result { padding: 20px; border-radius: 18px; color: #fff; background: var(--ink); text-align: center; }
.collection-result small, .collection-result strong, .collection-result span { display: block; }
.collection-result small { margin-bottom: 4px; color: var(--yellow); font-size: .63rem; font-weight: 900; letter-spacing: .1em; text-transform: uppercase; }
.collection-result strong { font-size: 1.05rem; }
.collection-result span { margin-top: 9px; padding-top: 9px; border-top: 1px solid rgba(255,255,255,.16); color: var(--teal-soft); font-size: .69rem; font-weight: 850; letter-spacing: .035em; text-transform: uppercase; }

.a1-section { padding: 88px 0; }
.a1-section-white { background: rgba(255,255,255,.68); }
.a1-section-dark { color: #fff; background: var(--ink); }
.a1-heading { display: grid; grid-template-columns: 1.05fr .95fr; align-items: end; gap: 70px; margin-bottom: 42px; }
.a1-heading h2 { max-width: 720px; margin: 0; font-size: clamp(2.35rem, 4.8vw, 4.5rem); letter-spacing: -.07em; line-height: .98; }
.a1-heading > p { margin: 0; color: var(--muted); font-size: 1.04rem; }
.a1-section-dark .a1-heading > p { color: rgba(255,255,255,.72); }
.strategy-intro { display: grid; grid-template-columns: 1.05fr .95fr; align-items: end; gap: 70px; margin-bottom: 38px; }
.strategy-intro h2 { max-width: 760px; margin: 0; font-size: clamp(2.35rem, 4.8vw, 4.5rem); letter-spacing: -.07em; line-height: .98; }
.strategy-intro > p { margin: 0; color: var(--muted); font-size: 1.04rem; }
.strategy-steps { display: grid; border-top: 1px solid var(--line); }
.strategy-steps article { display: grid; grid-template-columns: 80px 1fr; gap: 26px; padding: 30px 4px; border-bottom: 1px solid var(--line); }
.strategy-steps article > span { color: var(--orange); font: 900 .74rem/1.4 ui-monospace, monospace; }
.strategy-steps article > div { display: grid; grid-template-columns: .72fr 1.28fr; gap: 42px; }
.strategy-steps h3 { margin: 0; font-size: clamp(1.2rem, 2vw, 1.65rem); letter-spacing: -.035em; line-height: 1.15; }
.strategy-steps p { margin: 0; color: var(--muted); font-size: .9rem; }

.source-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.source-card { display: flex; min-height: 290px; padding: 26px; flex-direction: column; border: 1px solid var(--line); border-radius: 20px; background: #fff; }
.source-card > span { display: grid; width: 42px; height: 42px; margin-bottom: 34px; place-items: center; border-radius: 50%; color: #fff; background: var(--teal); font-size: .7rem; font-weight: 900; }
.source-card:nth-child(2) > span { background: var(--blue); }
.source-card:nth-child(3) > span { color: var(--ink); background: var(--yellow); }
.source-card:nth-child(4) > span { background: var(--orange); }
.source-card h3 { margin-bottom: 10px; font-size: 1.15rem; letter-spacing: -.025em; }
.source-card p { margin: 0; color: var(--muted); font-size: .86rem; }
.source-card small { margin-top: auto; padding-top: 22px; color: var(--teal-dark); font-size: .66rem; font-weight: 900; letter-spacing: .06em; text-transform: uppercase; }

.expansion-stages { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.expansion-stage { position: relative; display: flex; min-height: 300px; padding: 28px; flex-direction: column; overflow: hidden; border: 1px solid var(--line); border-radius: 22px; background: #fff; }
.expansion-stage::after { position: absolute; top: 31px; right: 25px; color: var(--orange); content: "→"; font-size: 1.1rem; font-weight: 900; }
.expansion-stage:last-child::after { display: none; }
.expansion-stage > span { margin-bottom: 28px; color: var(--orange); font: 900 .72rem/1 ui-monospace, monospace; }
.stage-kicker { margin-bottom: 12px; color: var(--teal-dark); font-size: .66rem; font-weight: 900; letter-spacing: .08em; text-transform: uppercase; }
.expansion-stage h3 { margin-bottom: 15px; font-size: clamp(1.22rem, 2vw, 1.65rem); letter-spacing: -.04em; line-height: 1.1; }
.expansion-stage > p:last-child { margin: auto 0 0; color: var(--muted); font-size: .86rem; }
.stage-network { border-top: 6px solid var(--teal); }
.stage-sources { border-top: 6px solid var(--yellow); }
.stage-integration { border-top: 6px solid var(--orange); }
.expansion-horizon { display: grid; grid-template-columns: auto 1fr; align-items: center; gap: 24px; margin-top: 18px; padding: 30px 34px; border-radius: 22px; color: #fff; background: var(--ink); }
.expansion-horizon > span { display: grid; width: 58px; height: 58px; place-items: center; border-radius: 50%; color: var(--ink); background: var(--yellow); font-size: 1.4rem; font-weight: 900; }
.expansion-horizon h3 { margin: 0 0 4px; font-size: 1.35rem; }
.expansion-horizon p { margin: 0; color: rgba(255,255,255,.72); }

.country-panels { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.country-panel { padding: 30px; border: 1px solid var(--line); border-radius: 24px; background: #fff; }
.country-panel.nonmembers { border-top: 7px solid var(--teal-dark); }
.country-panel.members { border-top: 7px solid var(--yellow); }
.country-panel-head { display: flex; align-items: flex-start; justify-content: space-between; gap: 18px; margin-bottom: 22px; }
.country-panel-head h3 { margin-bottom: 5px; font-size: 1.4rem; letter-spacing: -.035em; }
.country-panel-head p { margin: 0; color: var(--muted); font-size: .8rem; }
.country-panel-head strong { color: var(--teal-dark); font-family: Georgia, serif; font-size: 3rem; font-style: italic; font-weight: 500; line-height: .85; }
.country-list { display: grid; gap: 8px; margin: 0; padding: 0; list-style: none; }
.country-item { display: grid; grid-template-columns: 38px 1fr auto; align-items: center; gap: 12px; min-height: 54px; padding: 8px 12px; border-radius: 12px; background: var(--surface-soft); }
.country-code { display: grid; width: 34px; height: 34px; place-items: center; border-radius: 50%; color: #fff; background: var(--teal); font-size: .66rem; font-weight: 900; }
.country-item strong { display: block; font-size: .84rem; }
.country-item small { display: block; color: var(--muted); font-size: .66rem; }
.country-total { color: var(--teal-dark); font-family: Georgia, serif; font-size: 1.35rem; font-style: italic; font-weight: 700; }

.metric-hero { display: grid; grid-template-columns: .7fr 1.3fr; gap: 50px; align-items: center; margin-bottom: 44px; }
.big-metric strong { display: block; color: var(--yellow); font-family: Georgia, serif; font-size: clamp(6.8rem, 14vw, 12rem); font-style: italic; font-weight: 500; letter-spacing: -.1em; line-height: .75; }
.big-metric span { display: block; max-width: 300px; margin-top: 24px; color: rgba(255,255,255,.78); font-size: .82rem; font-weight: 800; line-height: 1.45; text-transform: uppercase; }
.split-copy { display: flex; justify-content: space-between; gap: 20px; margin-bottom: 12px; }
.split-copy div:last-child { text-align: right; }
.split-copy strong, .split-copy span { display: block; }
.split-copy strong span { display: inline; color: inherit; font-size: inherit; }
.split-copy strong { font-size: 2rem; }
.split-copy strong small { color: rgba(255,255,255,.72); font-size: .62em; font-weight: 800; letter-spacing: .01em; }
.split-copy span { color: rgba(255,255,255,.65); font-size: .72rem; }
.split-bar { display: flex; height: 42px; overflow: hidden; border-radius: 999px; background: rgba(255,255,255,.1); }
.split-segment { display: flex; min-width: 54px; align-items: center; justify-content: center; color: var(--ink); background: var(--yellow); font-size: .72rem; font-weight: 900; }
.split-segment.nonmember { color: #fff; background: var(--teal); }
.metric-note { margin: 18px 0 0; color: rgba(255,255,255,.7); font-size: .8rem; }
.curation-table { width: 100%; border-collapse: collapse; overflow: hidden; border-radius: 18px; background: rgba(255,255,255,.06); }
.curation-table th, .curation-table td { padding: 15px 18px; border-bottom: 1px solid rgba(255,255,255,.12); text-align: right; }
.curation-table th:first-child, .curation-table td:first-child { text-align: left; }
.curation-table th { color: var(--yellow); font-size: .67rem; letter-spacing: .06em; text-transform: uppercase; }
.curation-table td { color: rgba(255,255,255,.82); font-size: .86rem; }
.curation-table tr:last-child td { border-bottom: 0; }
.coar-citation { margin: 18px 0 0; color: rgba(255,255,255,.65); font-size: .76rem; }
.coar-citation a { color: var(--yellow); font-weight: 800; }

.evidence-boundary { display: grid; grid-template-columns: auto 1fr; gap: 28px; padding: 36px; border: 1px solid #f1c9b3; border-radius: 24px; background: var(--orange-soft); }
.boundary-mark { display: grid; width: 66px; height: 66px; place-items: center; border-radius: 50%; color: #fff; background: var(--orange); font-size: 1.65rem; font-weight: 900; }
.evidence-boundary h2 { margin-bottom: 12px; font-size: clamp(1.8rem, 3.5vw, 3rem); letter-spacing: -.055em; line-height: 1.05; }
.evidence-boundary p { margin: 0; color: var(--muted); }
.continuity-heading { display: grid; grid-template-columns: 1.05fr .95fr; align-items: end; gap: 70px; margin-bottom: 38px; }
.continuity-heading h2 { max-width: 760px; margin: 0; font-size: clamp(2.25rem, 4.5vw, 4.1rem); letter-spacing: -.07em; line-height: .98; }
.continuity-heading > p { margin: 0; color: var(--muted); font-size: 1.04rem; }
.next-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.next-card { padding: 26px; border: 1px solid var(--line); border-radius: 18px; background: #fff; }
.next-card span { color: var(--orange); font: 900 .7rem/1 ui-monospace, monospace; }
.next-card h3 { margin: 24px 0 8px; font-size: 1.08rem; }
.next-card p { margin: 0; color: var(--muted); font-size: .82rem; }
.methodology { display: flex; align-items: center; justify-content: space-between; gap: 32px; margin-top: 42px; padding-top: 28px; border-top: 1px solid var(--line); }
.methodology p { max-width: 780px; margin: 0; color: var(--muted); font-size: .76rem; }

@media (max-width: 980px) {
  .a1-hero-grid, .a1-heading, .strategy-intro, .continuity-heading, .metric-hero { grid-template-columns: 1fr; gap: 34px; }
  .strategy-steps article > div { grid-template-columns: 1fr; gap: 12px; }
  .source-grid { grid-template-columns: 1fr 1fr; }
  .a1-heading { align-items: start; }
}

@media (max-width: 700px) {
  .a1-hero { padding: 48px 0 64px; }
  .a1-hero h1 { font-size: clamp(2.65rem, 13vw, 4rem); }
  .a1-section { padding: 64px 0; }
  .country-counts, .source-grid, .expansion-stages, .country-panels, .next-grid { grid-template-columns: 1fr; }
  .expansion-horizon { grid-template-columns: 1fr; }
  .country-panel { padding: 24px; }
  .strategy-steps article { grid-template-columns: 44px 1fr; gap: 10px; padding: 25px 0; }
  .metric-hero { gap: 34px; }
  .curation-table th, .curation-table td { padding: 12px 8px; font-size: .7rem; }
  .methodology { align-items: flex-start; flex-direction: column; }
}