:root{
  --navy:#071427;
  --navy-2:#0f2342;
  --ink:#0d1726;
  --blue:#33a3db;
  --blue-2:#51b6ea;
  --line:#d7e1ea;
  --muted:#59667a;
  --bg:#f5f7fa;
  --white:#ffffff;
  --max:1200px;
  --shadow:0 25px 70px rgba(7,20,39,.12);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:var(--ink);background:#fff;line-height:1.6}
a{text-decoration:none;color:inherit}
.container{width:min(var(--max),calc(100% - 40px));margin:0 auto}
.topbar{background:#fff;border-bottom:1px solid #e7edf3}
.topbar-inner{display:flex;justify-content:space-between;align-items:center;padding:22px 0;gap:20px}
.logo{font-size:18px;line-height:1.1;font-weight:700;color:#173764;text-transform:uppercase}
.btn{display:inline-flex;align-items:center;justify-content:center;padding:13px 22px;border-radius:10px;font-weight:700;transition:.2s ease}
.btn-primary{background:var(--blue);color:#fff}
.btn-primary:hover{background:#2798d2}
.btn-light{background:#fff;color:#173764;border:1px solid #d6e2ec}
.navband{background:#edf2f7;border-bottom:1px solid #dfe7ef}
.navband-inner{display:flex;align-items:center;gap:28px;padding:16px 0;flex-wrap:wrap}
.navband a{font-size:15px;color:#33455e}
.navband a:hover{color:#0f2342}
.hero{background:linear-gradient(135deg,#071427,#173764);color:#fff;padding:90px 0 70px}
.eyebrow{display:inline-block;background:var(--blue);color:#fff;font-size:12px;font-weight:800;letter-spacing:.08em;text-transform:uppercase;border-radius:999px;padding:6px 12px;margin-bottom:18px}
h1{font-size:clamp(2.6rem,5vw,4.5rem);line-height:1.02;letter-spacing:-.04em;margin:0 0 18px}
.hero p{max-width:900px;font-size:1.15rem;color:#dce8fb;margin:0}
section{padding:72px 0}
.section-soft{background:#f6f8fb}
.section-title{font-size:clamp(2rem,4vw,3.2rem);line-height:1.08;letter-spacing:-.04em;margin:0 0 18px}
.lede{font-size:1.08rem;color:#33455e;max-width:900px}.muted{color:var(--muted)}
.grid-2{display:grid;grid-template-columns:1.1fr .9fr;gap:28px}.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.card,.research-item,.index-card{background:#fff;border:1px solid #dde7f0;border-radius:20px;padding:26px;box-shadow:var(--shadow)}
.card h3,.research-item h4,.index-card h4{margin:0 0 10px;color:#173764}.card p,.research-item p,.index-card p{margin:0;color:#51637a}
.research-list{display:grid;gap:18px}.tag{display:inline-block;font-size:12px;font-weight:800;letter-spacing:.08em;text-transform:uppercase;color:var(--blue);margin-bottom:10px}
.cta{background:linear-gradient(135deg,#0b1d36,#173764);color:#fff;border-radius:24px;padding:34px}.cta h3{margin:0 0 10px;font-size:1.8rem}.cta p{margin:0 0 18px;color:#dce8fb;max-width:760px}
.report-shell{max-width:920px}.report-meta{color:#dce8fb;font-weight:700}.report-body h2{font-size:1.7rem;color:#173764;margin:38px 0 12px}.report-body ul{margin:0;padding-left:22px}.report-body li{margin:10px 0}.source-list a{color:#173764;text-decoration:underline}
.archive-row{display:flex;justify-content:space-between;gap:18px;border-top:1px solid #dbe6f1;padding:18px 0;flex-wrap:wrap}.archive-row a{color:#173764;font-weight:700}
footer{padding:36px 0;border-top:1px solid #e0e6ec;background:#f7f9fb}.footer-inner{display:flex;justify-content:space-between;align-items:center;gap:18px;flex-wrap:wrap}.footer-links{display:flex;gap:16px;flex-wrap:wrap;color:#33455e}
@media (max-width:900px){.grid-2,.grid-3{grid-template-columns:1fr}.topbar-inner{align-items:flex-start;flex-direction:column}}
.calculator-form{display:grid;gap:12px;margin-top:18px}.calculator-form label{font-weight:700;color:#173764}.calculator-form input{width:100%;border:1px solid #d6e2ec;border-radius:10px;padding:12px 14px;font:inherit;color:var(--ink);background:#fff}.calculator-form button{margin-top:6px;border:0;cursor:pointer}.calculator-output{display:grid;gap:14px;align-content:start}.metric-row{display:flex;justify-content:space-between;gap:18px;border-top:1px solid #dbe6f1;padding-top:12px;flex-wrap:wrap}.metric-row span{color:#51637a}.metric-row strong{color:#173764}.interpretation{background:#f6f8fb;border:1px solid #dde7f0;border-radius:16px;padding:18px;margin-top:4px}.interpretation h4{margin:0 0 8px;color:#173764}.interpretation p{margin:0;color:#33455e}.text-link{color:#173764;font-weight:700;text-decoration:underline;text-underline-offset:3px}.cta-spaced,.action-row{margin-top:18px}

.publication-featured .section-title{margin-bottom:8px}
.publication-date{font-weight:700;margin:0 0 12px}
.publication-actions{display:flex;gap:12px;flex-wrap:wrap}
.publication-category-grid{grid-template-columns:repeat(auto-fit,minmax(220px,1fr))}
.publication-filter-row{display:flex;gap:10px;flex-wrap:wrap;margin:0 0 26px}
.publication-pill{margin-bottom:0;background:#eaf3fb;color:#173764;padding:8px 14px;border-radius:999px}
.publication-pill:hover{background:#dcecff}
.publication-archive-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:18px}
.publication-card h3{margin:0 0 8px;color:#173764}
.publication-card p{margin:0 0 12px}
.publication-links{display:flex;gap:14px;flex-wrap:wrap}

/* AI Infrastructure Power Index */
.infrastructure-index{background:#fff;color:#0d1726}
.infra-hero{background:linear-gradient(135deg,#071427 0%,#10243f 58%,#173764 100%);padding-bottom:58px}
.infra-thesis-card{max-width:920px;margin-top:28px;padding:18px 22px;border:1px solid rgba(255,255,255,.22);border-radius:16px;background:rgba(255,255,255,.08);color:#edf6ff;font-size:1.02rem}
.infra-section-tight{padding-top:58px}
.infra-section-header{display:flex;justify-content:space-between;align-items:flex-end;gap:24px;margin-bottom:24px}
.infra-section-header-narrow{align-items:flex-start}.infra-section-header-narrow .lede{max-width:520px;margin:0}
.infra-section-header .section-title{margin-bottom:0;color:#173764}
.infra-update-note{margin:0;max-width:360px;color:#173764;font-weight:800;background:#f6f8fb;border:1px solid #dbe6f1;border-radius:14px;padding:12px 14px}
.infra-table-wrap{overflow:auto;border:1px solid #dbe6f1;border-radius:18px;background:#fff;box-shadow:0 16px 45px rgba(7,20,39,.08)}
.infra-ranking-table{width:100%;border-collapse:collapse;min-width:1120px;font-size:.95rem}
.infra-ranking-table th{position:sticky;top:0;background:#f4f7fa;color:#173764;text-align:left;font-size:.76rem;letter-spacing:.07em;text-transform:uppercase;padding:14px 16px;border-bottom:1px solid #dbe6f1;white-space:nowrap}
.infra-ranking-table td{padding:16px;border-bottom:1px solid #e8eef4;color:#33455e;white-space:nowrap;vertical-align:middle}
.infra-ranking-table tr:last-child td{border-bottom:0}
.infra-ranking-table tbody tr:hover{background:#fbfdff}
.country-name{font-weight:800;color:#0d1726}
.score-pill{display:inline-flex;min-width:48px;justify-content:center;align-items:center;border-radius:999px;padding:5px 11px;font-weight:900;color:#fff;background:#173764}
.score-high{background:#173764;fill:#173764}.score-mid-high{background:#24679a;fill:#24679a}.score-mid{background:#6f8fa7;fill:#6f8fa7}.score-low{background:#c8d6e2;fill:#c8d6e2;color:#071427}
.tier-badge{display:inline-flex;align-items:center;border:1px solid #dbe6f1;border-radius:999px;padding:6px 10px;font-size:.82rem;font-weight:900;color:#173764;background:#fff}
.tier-one{background:#edf4fb;border-color:#b8cfe3}.tier-two{background:#f3f7fa;border-color:#ccdbe8}.tier-three{background:#fbfaf6;border-color:#e3d9bf;color:#6d571b}.tier-four{background:#f7f8fa;border-color:#dfe4ea;color:#59667a}
.infra-methodology-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:16px}
.infra-method-card{background:#fff;border:1px solid #dde7f0;border-radius:18px;padding:20px;box-shadow:0 14px 35px rgba(7,20,39,.06)}
.infra-method-number{font-size:.78rem;font-weight:900;letter-spacing:.1em;color:#6f8fa7;margin-bottom:18px}
.infra-method-card-head{display:grid;gap:8px;margin-bottom:12px}.infra-method-card h3{margin:0;color:#173764;font-size:1.12rem;line-height:1.2}.infra-method-card strong{color:#0d1726;font-size:.9rem}.infra-method-card p{margin:0;color:#51637a;font-size:.95rem}
.infra-report-card{display:grid;grid-template-columns:1.15fr .85fr;gap:28px;background:#fff;border:1px solid #d5e0ea;border-radius:24px;padding:34px;box-shadow:0 22px 60px rgba(7,20,39,.1)}
.infra-report-main{border-right:1px solid #dbe6f1;padding-right:28px}.infra-report-main h2{font-size:clamp(2rem,4vw,3.25rem);line-height:1.04;letter-spacing:-.04em;color:#173764;margin:0 0 14px}.infra-report-subtitle{font-size:1.25rem;color:#33455e;margin:0 0 28px}.infra-report-status{display:inline-grid;gap:3px;border-top:2px solid #173764;padding-top:12px}.infra-report-status span{font-size:.78rem;font-weight:900;text-transform:uppercase;letter-spacing:.08em;color:#59667a}.infra-report-status strong{color:#173764}.infra-report-side h3{margin:0 0 12px;color:#173764}.infra-check-list{list-style:none;margin:0 0 22px;padding:0;display:grid;gap:10px;color:#33455e}.infra-check-list li::before{content:'✓';font-weight:900;color:#173764;margin-right:10px}.infra-disabled-download{cursor:not-allowed;opacity:.72}.infra-report-note{margin:12px 0 0!important;color:#6b7788!important;font-size:.9rem;word-break:break-word}
.infra-country-analysis-grid{display:grid;gap:14px}.infra-analysis-card{background:#fff;border:1px solid #dde7f0;border-radius:18px;overflow:hidden;box-shadow:0 12px 30px rgba(7,20,39,.05)}.infra-analysis-card summary{cursor:pointer;list-style:none;display:flex;justify-content:space-between;align-items:center;gap:18px;padding:18px 20px}.infra-analysis-card summary::-webkit-details-marker{display:none}.infra-analysis-card summary span:first-child{display:grid;gap:2px}.infra-analysis-card summary strong{font-size:1.08rem;color:#173764}.infra-analysis-card summary em{font-style:normal;color:#59667a;font-weight:800;font-size:.88rem}.infra-analysis-card[open] summary{border-bottom:1px solid #e7edf3}.infra-analysis-tabs{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;padding:18px;background:#fbfcfd}.analysis-tab{border:1px solid #dfe8f0;border-radius:14px;background:#fff;padding:16px}.analysis-tab h4{margin:0 0 8px;color:#173764}.analysis-tab p{margin:0;color:#51637a;font-size:.94rem}
.infra-archive-card{display:grid;grid-template-columns:180px 1fr;border:1px solid #dbe6f1;border-radius:20px;overflow:hidden;background:#fff;box-shadow:0 14px 35px rgba(7,20,39,.06)}.infra-archive-year{background:#173764;color:#fff;font-size:1.8rem;font-weight:900;padding:24px}.infra-archive-list{display:grid}.infra-archive-row{display:flex;justify-content:space-between;gap:18px;align-items:center;padding:18px 22px;border-bottom:1px solid #e8eef4}.infra-archive-row:last-child{border-bottom:0}.infra-archive-row div{display:grid}.infra-archive-row strong{color:#173764}.infra-archive-row span{color:#33455e}.infra-archive-row em{font-style:normal;color:#59667a;font-weight:800}.infra-archive-active{background:#f8fafc}
@media (max-width:1100px){.infra-methodology-grid{grid-template-columns:repeat(2,1fr)}.infra-analysis-tabs{grid-template-columns:repeat(2,1fr)}}
@media (max-width:900px){.infra-section-header{align-items:flex-start;flex-direction:column}.infra-ranking-table{font-size:.88rem}.infra-report-card{grid-template-columns:1fr}.infra-report-main{border-right:0;border-bottom:1px solid #dbe6f1;padding-right:0;padding-bottom:24px}.infra-archive-card{grid-template-columns:1fr}.infra-archive-row{align-items:flex-start;flex-direction:column}.infra-analysis-tabs{grid-template-columns:1fr}}
@media (max-width:640px){.infra-methodology-grid{grid-template-columns:1fr}.infra-analysis-card summary{align-items:flex-start;flex-direction:column}.infra-report-card{padding:24px}}

/* Institute Tools */
.tools-index,.tools-detail{background:#fff;color:#0d1726}
.tools-hero{background:linear-gradient(135deg,#071427 0%,#10243f 58%,#173764 100%)}
.tools-detail-hero{padding-bottom:56px}
.tools-section-header,.tool-workbench-header{display:flex;justify-content:space-between;align-items:flex-end;gap:28px;margin-bottom:28px}
.tools-section-header .section-title,.tool-workbench-header .section-title{margin-bottom:0;color:#173764}
.tool-card-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:20px}
.tool-card{background:#fff;border:1px solid #d7e1ea;border-radius:22px;padding:26px;box-shadow:0 18px 48px rgba(7,20,39,.08);display:grid;gap:18px;align-content:start;min-height:310px}
.tool-card-topline{display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap}.tool-category{font-size:.76rem;font-weight:900;letter-spacing:.08em;text-transform:uppercase;color:#173764}.tool-status{display:inline-flex;align-items:center;border:1px solid #b8cfe3;background:#edf4fb;color:#173764;border-radius:999px;padding:5px 10px;font-size:.76rem;font-weight:900;letter-spacing:.08em;text-transform:uppercase}.tool-card h3{font-size:1.55rem;line-height:1.15;margin:0;color:#173764}.tool-card p{margin:0;color:#51637a}.tool-card .btn{justify-self:start;align-self:end}.tool-hero-panel{max-width:980px;margin-top:28px;border:1px solid rgba(255,255,255,.2);border-radius:18px;background:rgba(255,255,255,.08);padding:22px}.tool-hero-panel p{margin:0 0 14px;color:#edf6ff}.tool-hero-panel strong{display:block;color:#fff;font-size:1.08rem}.tool-workbench{padding-top:58px}.tool-layout{display:grid;grid-template-columns:minmax(320px,.88fr) minmax(420px,1.12fr);gap:24px;align-items:start}.tool-inputs,.tool-results{display:grid;gap:18px}.tool-inputs fieldset{border:1px solid #dbe6f1;border-radius:20px;background:#fff;padding:20px;box-shadow:0 12px 32px rgba(7,20,39,.05)}.tool-inputs legend{padding:0 8px;color:#173764;font-weight:900}.tool-inputs label{display:grid;gap:7px;margin-top:12px;color:#33455e;font-weight:800;font-size:.92rem}.tool-inputs input,.tool-inputs select{width:100%;border:1px solid #d6e2ec;border-radius:10px;padding:12px 13px;font:inherit;color:#0d1726;background:#fff}.tool-inputs input:focus,.tool-inputs select:focus{outline:2px solid rgba(51,163,219,.25);border-color:#33a3db}.value-score-card{background:linear-gradient(135deg,#071427,#173764);color:#fff;border-radius:24px;padding:26px;box-shadow:0 22px 60px rgba(7,20,39,.16)}.value-score-card div:first-child{display:grid;grid-template-columns:1fr auto;gap:5px 18px;align-items:end}.value-score-card span{font-size:.82rem;font-weight:900;letter-spacing:.08em;text-transform:uppercase;color:#bfe5ff}.value-score-card strong{font-size:clamp(3rem,7vw,5rem);line-height:.9;letter-spacing:-.05em}.value-score-card em{font-style:normal;font-weight:900;color:#fff;font-size:1.2rem}.score-bar{grid-column:1 / -1;height:10px;background:rgba(255,255,255,.18);border-radius:999px;overflow:hidden;margin-top:22px}.score-bar span{display:block;height:100%;width:0;background:#51b6ea;border-radius:999px;transition:width .2s ease}.kpi-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}.kpi-card{background:#fff;border:1px solid #dbe6f1;border-radius:18px;padding:18px;box-shadow:0 12px 30px rgba(7,20,39,.05);min-height:116px;display:flex;flex-direction:column;justify-content:space-between;gap:16px}.kpi-card span{font-size:.78rem;font-weight:900;letter-spacing:.07em;text-transform:uppercase;color:#59667a}.kpi-card strong{font-size:1.55rem;line-height:1.05;color:#173764;word-break:break-word}.kpi-wide{grid-column:span 2}.recommendation-panel{background:#f6f8fb;border:1px solid #dbe6f1;border-radius:20px;padding:22px}.recommendation-panel h3{margin:0 0 14px;color:#173764}.recommendation-panel ul{margin:0;padding-left:20px;color:#33455e}.recommendation-panel li{margin:10px 0}.methodology-copy{background:#fff;border:1px solid #dbe6f1;border-radius:20px;padding:24px;box-shadow:0 12px 30px rgba(7,20,39,.05)}.methodology-copy p{margin:0;color:#33455e}.methodology-copy p+p{margin-top:14px}.tool-footer-cta{display:grid;gap:10px}.tool-footer-cta .btn{justify-self:start;margin-top:8px}
@media (max-width:1000px){.tools-section-header,.tool-workbench-header{align-items:flex-start;flex-direction:column}.tool-layout{grid-template-columns:1fr}.tool-results{order:-1}}
@media (max-width:640px){.tool-card{padding:22px}.tool-hero-panel{padding:18px}.kpi-grid{grid-template-columns:1fr}.kpi-wide{grid-column:auto}.value-score-card div:first-child{grid-template-columns:1fr}.tool-inputs fieldset{padding:18px}.tool-workbench{padding-top:42px}}