/* Petrole.Africa — design system */
:root{
  --ink:#0B1117;--crude:#101922;--slate:#1B2733;--steel:#2B3A48;
  --paper:#FAF8F3;--tint:#F2EFE7;--card:#fff;--line:#E4DFD2;--line-2:#d6d0c1;
  --text:#18212b;--muted:#5d6a77;--soft:#8a96a2;
  --flare:#F2A413;--flare-d:#c9830a;--ember:#D9480F;--teal:#0F766E;
  --serif:'Newsreader','Iowan Old Style','Palatino Linotype',Georgia,serif;
  --sans:'Inter',system-ui,-apple-system,'Segoe UI',Roboto,sans-serif;
  --mono:'IBM Plex Mono',ui-monospace,Menlo,Consolas,monospace;
  --r:14px;--r-sm:9px;--shadow:0 1px 2px rgba(11,17,23,.06),0 8px 24px -12px rgba(11,17,23,.18);
  --wrap:1220px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:90px;-webkit-text-size-adjust:100%}
body{margin:0;background:var(--paper);color:var(--text);font:400 16px/1.6 var(--sans);-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration-color:color-mix(in srgb,currentColor 35%,transparent);text-underline-offset:3px}
a:hover{color:var(--ember)}
h1,h2,h3,h4{font-family:var(--serif);line-height:1.15;letter-spacing:-.01em;margin:0 0 .5em;color:var(--ink);font-weight:600}
p{margin:0 0 1em}
.wrap{width:100%;max-width:var(--wrap);margin:0 auto;padding:0 24px}
.wrap--narrow{max-width:860px}.wrap--article{max-width:1000px}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.skip{position:absolute;left:-999px;top:8px;background:var(--flare);color:#000;padding:.6rem 1rem;border-radius:8px;z-index:200}.skip:focus{left:8px}
.hp{position:absolute!important;left:-9999px;opacity:0;height:0;width:0}
:focus-visible{outline:3px solid var(--flare);outline-offset:2px;border-radius:4px}

/* ---- progress & topbar ---- */
.progress{position:fixed;inset:0 0 auto 0;height:3px;background:linear-gradient(90deg,var(--flare),var(--ember));transform-origin:0 50%;transform:scaleX(0);z-index:120}
.topbar{background:var(--ink);color:#9fb0c0;font:500 12px/1 var(--mono);letter-spacing:.02em}
.topbar__in{display:flex;justify-content:space-between;align-items:center;height:36px}
.topbar__tag{display:flex;align-items:center;gap:.6rem}.dot{width:7px;height:7px;border-radius:50%;background:var(--flare);box-shadow:0 0 0 4px rgba(242,164,19,.18)}
.topbar__date{text-transform:capitalize}

/* ---- header ---- */
.site-header{position:sticky;top:0;z-index:100;background:rgba(250,248,243,.92);backdrop-filter:saturate(1.4) blur(14px);border-bottom:1px solid var(--line)}
.header__in{display:flex;align-items:center;gap:28px;height:72px}
.brand{display:flex;align-items:center;gap:11px;text-decoration:none;color:var(--ink)}
.brand__txt{font:700 19px/1 var(--serif);letter-spacing:.04em;display:flex}
.brand__txt i{font-style:normal;color:var(--flare-d)}
.brand--light{color:#fff}.brand--light .brand__txt i{color:var(--flare)}
.nav{display:flex;gap:2px;margin-left:8px;flex:1}
.nav a{white-space:nowrap;padding:10px 13px;border-radius:9px;text-decoration:none;font:500 14.5px var(--sans);color:#2a3744;position:relative}
.nav a:hover{background:rgba(11,17,23,.05);color:var(--ink)}
.nav a.is-active{color:var(--ink);font-weight:600}
.nav a.is-active::after{content:"";position:absolute;left:13px;right:13px;bottom:2px;height:2px;background:var(--flare);border-radius:2px}
.header__tools{display:flex;align-items:center;gap:10px}
.search-mini{display:flex;align-items:center;background:#fff;border:1px solid var(--line-2);border-radius:999px;padding:0 4px 0 14px;height:40px;transition:.2s;width:210px}
.search-mini:focus-within{border-color:var(--flare);box-shadow:0 0 0 4px rgba(242,164,19,.2);width:260px}
.search-mini input{border:0;background:transparent;font:14px var(--sans);width:100%;outline:0;color:var(--text)}
.search-mini button{border:0;background:none;color:var(--muted);width:34px;height:34px;display:grid;place-items:center;cursor:pointer;border-radius:50%}
.burger{display:none;width:42px;height:42px;border:1px solid var(--line-2);border-radius:10px;background:#fff;cursor:pointer;flex-direction:column;justify-content:center;gap:5px;align-items:center}
.burger span{display:block;width:18px;height:2px;background:var(--ink);transition:.25s}
.burger[aria-expanded=true] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.burger[aria-expanded=true] span:nth-child(2){opacity:0}
.burger[aria-expanded=true] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ---- buttons ---- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;border:0;cursor:pointer;font:600 15px var(--sans);padding:.85rem 1.35rem;border-radius:10px;text-decoration:none;transition:transform .15s,box-shadow .2s,background .2s;white-space:nowrap}
.btn--flare{background:var(--flare);color:#1a1200}.btn--flare:hover{background:#ffb52e;color:#1a1200;transform:translateY(-1px);box-shadow:0 8px 20px -8px rgba(242,164,19,.7)}
.btn--ink{background:var(--ink);color:#fff}.btn--ink:hover{background:var(--steel);color:#fff}
.btn--sm{padding:.55rem 1rem;font-size:14px}

/* ---- hero ---- */
.hero{position:relative;background:radial-gradient(1100px 520px at 85% -10%,#1d2e3d 0%,transparent 60%),linear-gradient(180deg,#0B1117,#0e1822);color:#e9e4d8;overflow:hidden;isolation:isolate}
.hero::before{content:"";position:absolute;inset:0;background:url(/assets/img/seismic.svg) center/cover no-repeat;opacity:.9;z-index:-1;mask-image:linear-gradient(180deg,#000 40%,transparent 100%)}
.hero__in{display:grid;grid-template-columns:1.08fr .92fr;gap:56px;align-items:center;padding:72px 24px 80px}
.hero h1{color:#fff;font-size:clamp(2.4rem,5vw,4.1rem);line-height:1.04;font-weight:600;margin-bottom:.4em}
.hero h1 em{font-style:italic;color:var(--flare)}
.hero__lead{font-size:1.1rem;color:#b8c4cf;max-width:56ch;margin-bottom:1.6rem}
.hero__search{display:flex;gap:8px;max-width:560px;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);padding:6px;border-radius:14px}
.hero__search input{flex:1;background:transparent;border:0;color:#fff;font:16px var(--sans);padding:0 14px;outline:0;min-width:0}
.hero__search input::placeholder{color:#8696a6}
.hero__stats{list-style:none;display:flex;gap:28px;padding:0;margin:34px 0 0;flex-wrap:wrap}
.hero__stats li{display:flex;flex-direction:column}
.hero__stats b{font:600 2rem/1 var(--serif);color:#fff}
.hero__stats span{white-space:nowrap;font:12px var(--mono);color:#8fa1b2;margin-top:6px;text-transform:uppercase;letter-spacing:.06em}
.hero__flare{position:absolute;right:-60px;bottom:-90px;width:380px;opacity:.5;z-index:-1}
.hero__flare circle{fill:none;stroke:var(--flare);stroke-opacity:.25}
.lead-card{position:relative;display:block;border-radius:20px;overflow:hidden;aspect-ratio:4/4.4;color:#fff;text-decoration:none;box-shadow:0 30px 60px -25px rgba(0,0,0,.7);border:1px solid rgba(255,255,255,.1)}
.lead-card img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform .8s}
.lead-card:hover img{transform:scale(1.04)}.lead-card:hover{color:#fff}
.lead-card__shade{position:absolute;inset:0;background:linear-gradient(180deg,rgba(11,17,23,.05) 25%,rgba(11,17,23,.92) 85%)}
.lead-card__body{position:absolute;left:0;right:0;bottom:0;padding:26px;display:flex;flex-direction:column;gap:12px}
.lead-card strong{font:600 clamp(1.3rem,2.2vw,1.8rem)/1.15 var(--serif)}
.badge{align-self:flex-start;background:var(--flare);color:#1a1200;font:600 11px var(--mono);letter-spacing:.06em;text-transform:uppercase;padding:5px 9px;border-radius:6px}
.eyebrow{font:600 12px var(--mono);letter-spacing:.14em;text-transform:uppercase;color:var(--muted);margin:0 0 .9rem}
.eyebrow--flare{color:var(--flare)}

/* ---- country strip ---- */
.strip{background:var(--ink);border-top:1px solid #1d2a37;border-bottom:1px solid #1d2a37}
.strip__in{display:flex;align-items:center;gap:18px;height:58px;overflow:hidden}
.strip__label{font:600 11px var(--mono);letter-spacing:.14em;text-transform:uppercase;color:var(--flare);flex:none}
.strip__list{display:flex;gap:6px;overflow-x:auto;scrollbar-width:none;mask-image:linear-gradient(90deg,#000 92%,transparent)}
.strip__list::-webkit-scrollbar{display:none}
.strip__list a{display:flex;align-items:center;gap:8px;flex:none;color:#cbd5de;text-decoration:none;font:500 13.5px var(--sans);padding:7px 12px;border-radius:999px;border:1px solid #223140}
.strip__list a i{font:600 10px var(--mono);font-style:normal;color:var(--flare);letter-spacing:.06em}
.strip__list a:hover{background:#16222e;color:#fff;border-color:var(--flare)}
.strip__list .strip__all{border-color:transparent;color:var(--flare);font-weight:600}

/* ---- sections ---- */
.section{padding:76px 0}.section--tight{padding:48px 0 72px}.section--tint{background:var(--tint);border-block:1px solid var(--line)}
.section__head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:30px}
.section__head h2{font-size:clamp(1.7rem,3vw,2.3rem);margin:0}
.link-arrow{font:600 14px var(--sans);text-decoration:none;color:var(--ink);border-bottom:2px solid var(--flare);padding-bottom:2px;white-space:nowrap}
.link-arrow::after{content:" →"}
.grid{display:grid;gap:28px}.grid--3{grid-template-columns:repeat(3,1fr)}.grid--4{grid-template-columns:repeat(4,1fr);gap:22px}

/* ---- cards ---- */
.card{display:flex;flex-direction:column;background:var(--card);border:1px solid var(--line);border-radius:var(--r);overflow:hidden;transition:transform .25s,box-shadow .25s,border-color .25s}
.card:hover{transform:translateY(-3px);box-shadow:var(--shadow);border-color:var(--line-2)}
.card__media{position:relative;display:block;aspect-ratio:16/10;overflow:hidden;background:#1b2733}
.card__media img{width:100%;height:100%;object-fit:cover;transition:transform .6s}
.card:hover .card__media img{transform:scale(1.05)}
.chip{position:absolute;left:12px;top:12px;background:rgba(11,17,23,.82);backdrop-filter:blur(6px);color:#fff;font:600 10.5px var(--mono);letter-spacing:.07em;text-transform:uppercase;padding:5px 9px;border-radius:6px}
.chip--iso{background:var(--flare);color:#1a1200}
.card__body{padding:18px 20px 20px;display:flex;flex-direction:column;flex:1}
.kicker{font:600 11px var(--mono);letter-spacing:.1em;text-transform:uppercase;color:var(--ember);text-decoration:none;margin-bottom:8px;align-self:flex-start}
.kicker:hover{text-decoration:underline}
.card__title{font-size:1.28rem;line-height:1.22;margin:0 0 .55em}
.card__title a{text-decoration:none;background:linear-gradient(currentColor,currentColor) 0 100%/0 1px no-repeat;transition:background-size .3s}
.card:hover .card__title a{background-size:100% 1px}
.card__excerpt{font-size:.92rem;color:var(--muted);margin-bottom:1rem;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.meta{margin:auto 0 0;font:12px var(--mono);color:var(--soft);display:flex;gap:8px;flex-wrap:wrap}
.meta--light{color:#9fb0c0;margin-top:.5rem}
.g0{background:linear-gradient(135deg,#102a3a,#0f766e)}.g1{background:linear-gradient(135deg,#2a1a10,#d9480f)}.g2{background:linear-gradient(135deg,#0b1117,#35506b)}
.g3{background:linear-gradient(135deg,#1a2a1f,#7a8a2a)}.g4{background:linear-gradient(135deg,#1c1530,#7a3d9a)}.g5{background:linear-gradient(135deg,#2b2412,#f2a413)}

/* ---- themes ---- */
.themes{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.theme{display:flex;flex-direction:column;background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:26px;text-decoration:none;transition:.25s}
.theme svg{color:var(--ember);margin-bottom:18px}
.theme:hover{border-color:var(--flare);transform:translateY(-3px);box-shadow:var(--shadow);color:inherit}
.theme h3{font-size:1.3rem;margin-bottom:.4em}.theme p{color:var(--muted);font-size:.92rem;flex:1}
.theme__count{font:600 12px var(--mono);color:var(--ink);letter-spacing:.04em}

/* ---- academy ---- */
.academy{background:var(--crude);color:#e9e4d8;padding:84px 0;position:relative;overflow:hidden}
.academy::after{content:"";position:absolute;inset:0;background:url(/assets/img/seismic.svg) center/cover;opacity:.35;pointer-events:none}
.academy__in{position:relative;z-index:1;display:grid;grid-template-columns:.9fr 1.1fr;gap:64px;align-items:center}
.academy h2{color:#fff;font-size:clamp(1.9rem,3.4vw,2.8rem)}.academy p{color:#b8c4cf}
.academy__list{list-style:none;padding:0;margin:0;display:grid;gap:10px}
.academy__list a{display:flex;gap:16px;align-items:center;padding:16px 18px;border:1px solid #243342;background:rgba(16,25,34,.7);border-radius:12px;text-decoration:none;color:#e9e4d8;transition:.2s;backdrop-filter:blur(4px)}
.academy__list a:hover{border-color:var(--flare);background:#15222e;color:#fff;transform:translateX(4px)}
.academy__list small{display:block;font:11px var(--mono);color:#7f92a4;margin-top:2px}
.num{font:600 13px var(--mono);color:var(--flare);background:rgba(242,164,19,.1);border:1px solid rgba(242,164,19,.3);padding:8px 10px;border-radius:8px;flex:none}

/* ---- newsletter ---- */
.newsletter{background:linear-gradient(135deg,#F2A413,#e8890c);color:#1a1200}
.newsletter__in{display:grid;grid-template-columns:1.2fr 1fr;gap:48px;align-items:center;padding-block:64px}
.newsletter h2{color:#1a1200;font-size:clamp(1.6rem,3vw,2.3rem)}.newsletter .eyebrow{color:#5a3a00}
.newsletter p{color:#3d2800}
.nl-form{display:grid;grid-template-columns:1fr auto;gap:8px;background:rgba(255,255,255,.35);padding:8px;border-radius:14px}
.nl-form input[type=email]{border:0;background:#fff;border-radius:10px;padding:0 16px;font:16px var(--sans);height:50px;min-width:0}
.nl-form .btn{background:var(--ink);color:#fff}.nl-form .btn:hover{background:var(--steel);transform:none;box-shadow:none}
.nl-msg{grid-column:1/-1;margin:4px 6px 2px;font:600 13px var(--sans);min-height:1.2em;color:#1a1200!important}

/* ---- page head ---- */
.page-head{background:linear-gradient(180deg,#0B1117,#101c27);color:#e9e4d8;padding:44px 0 52px;position:relative;overflow:hidden;isolation:isolate}
.page-head::before{content:"";position:absolute;inset:0;background:url(/assets/img/seismic.svg) center/cover;opacity:.55;z-index:-1;mask-image:linear-gradient(90deg,transparent,#000)}
.page-head h1{color:#fff;font-size:clamp(2rem,4.2vw,3.2rem);max-width:22ch;display:flex;align-items:center;gap:16px;flex-wrap:wrap}
.page-head--slim{padding:34px 0 40px}.page-head--slim h1{max-width:none}
.page-head__lead{color:#b8c4cf;max-width:64ch;font-size:1.08rem}
.iso{font:600 .9rem var(--mono);background:var(--flare);color:#1a1200;border-radius:8px;padding:6px 10px;letter-spacing:.06em}
.crumbs{display:flex;flex-wrap:wrap;gap:8px;font:12.5px var(--mono);color:#8fa1b2;margin-bottom:1.4rem}
.crumbs a{color:#b7c3cf;text-decoration:none}.crumbs a:hover{color:var(--flare)}
.pills{display:flex;flex-wrap:wrap;gap:8px;margin-top:20px}
.pills a{display:inline-flex;align-items:center;gap:8px;padding:8px 14px;border:1px solid #2b3a48;border-radius:999px;color:#dbe3ea;font:500 13.5px var(--sans);text-decoration:none}
.pills a:hover{border-color:var(--flare);color:#fff}.pills small{font:11px var(--mono);color:var(--flare)}
.pager{display:flex;gap:8px;justify-content:center;margin-top:48px}
.pager a{min-width:42px;height:42px;display:grid;place-items:center;border:1px solid var(--line-2);border-radius:10px;text-decoration:none;font-weight:600;background:#fff}
.pager a.is-current{background:var(--ink);color:#fff;border-color:var(--ink)}
.empty{text-align:center;padding:70px 20px;background:#fff;border:1px dashed var(--line-2);border-radius:var(--r)}
.empty p{color:var(--muted);max-width:50ch;margin:0 auto 1.4rem}

/* ---- atlas ---- */
.atlas{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
.atlas__item{display:grid;grid-template-columns:64px 1fr auto;grid-template-rows:auto auto;column-gap:18px;align-items:center;padding:20px 22px;background:#fff;border:1px solid var(--line);border-radius:var(--r);text-decoration:none;transition:.2s}
.atlas__item:hover{border-color:var(--flare);box-shadow:var(--shadow);transform:translateY(-2px);color:inherit}
.atlas__iso{grid-row:1/3;width:64px;height:64px;border-radius:14px;background:var(--ink);color:var(--flare);display:grid;place-items:center;font:600 20px var(--mono);letter-spacing:.04em}
.atlas__name{font:600 1.35rem/1.2 var(--serif);color:var(--ink)}
.atlas__sub{font-size:.85rem;color:var(--muted);grid-column:2;margin-top:2px}
.atlas__go{grid-row:1/3;grid-column:3;font-size:1.4rem;color:var(--flare-d)}

/* ---- guide ---- */
.syllabus{list-style:none;padding:0;margin:0;display:grid;gap:12px;counter-reset:s}
.syllabus a{display:grid;grid-template-columns:auto 1fr auto;gap:20px;align-items:center;padding:22px 24px;background:#fff;border:1px solid var(--line);border-radius:var(--r);text-decoration:none;transition:.2s}
.syllabus a:hover{border-color:var(--flare);box-shadow:var(--shadow);transform:translateX(4px);color:inherit}
.syllabus .num{color:var(--ember);background:#fff3e6;border-color:#f6d3b2}
.syllabus__body strong{display:block;font:600 1.2rem/1.25 var(--serif);color:var(--ink)}.syllabus__body span{display:block;font-size:.9rem;color:var(--muted);margin-top:4px}
.syllabus__min{font:12px var(--mono);color:var(--soft)}

/* ---- article ---- */
.article__head{background:#0B1117;padding-top:36px;padding-bottom:44px;position:relative;isolation:isolate}
.article__head::before{content:"";position:absolute;inset:0;background:url(/assets/img/seismic.svg) center/cover;opacity:.5;z-index:-1;mask-image:linear-gradient(90deg,transparent,#000)}
.article__head:has(.article__hero){padding-bottom:0}.article:has(.article__hero) .article__layout{padding-top:130px}
.article__head h1{color:#fff;font-size:clamp(1.9rem,4.2vw,3.1rem);line-height:1.08;max-width:24ch;margin-bottom:.45em}
.article__kickers{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:1.1rem}
.kicker--pill{background:rgba(242,164,19,.14);border:1px solid rgba(242,164,19,.35);color:var(--flare);padding:5px 10px;border-radius:6px;margin:0}
.kicker--pill:hover{background:var(--flare);color:#1a1200;text-decoration:none}
.standfirst{font:400 1.2rem/1.5 var(--serif);color:#c4cfd9;max-width:62ch}
.byline{display:flex;align-items:center;justify-content:space-between;gap:18px;flex-wrap:wrap;margin-top:1.6rem;padding-top:1.2rem;border-top:1px solid #243342;color:#9fb0c0;font-size:.9rem}
.byline__who{display:flex;gap:12px;align-items:center;line-height:1.25}.byline__who b{color:#fff}.byline__who small{display:block;color:#7f92a4;font:12px var(--mono)}
.byline__meta{font:12.5px var(--mono)}
.article__hero{margin-top:34px;margin-bottom:-90px;position:relative;z-index:2;border-radius:18px;overflow:hidden;aspect-ratio:1200/520;box-shadow:0 28px 60px -28px rgba(11,17,23,.55);background:#1b2733}
.article__hero img{width:100%;height:100%;object-fit:cover}
.article__layout{display:grid;grid-template-columns:260px minmax(0,1fr);gap:56px;padding-top:56px;padding-bottom:80px;max-width:1100px}
.article__side{position:relative}
.article__side>*{position:sticky;top:96px}
.toc{max-height:calc(100vh - 260px);overflow:auto;padding-right:6px;scrollbar-width:thin}
.toc__title{font:600 11px var(--mono);letter-spacing:.14em;text-transform:uppercase;color:var(--muted);margin:0 0 12px}
.toc ol{list-style:none;margin:0;padding:0;border-left:2px solid var(--line)}
.toc a{display:block;padding:6px 0 6px 14px;margin-left:-2px;border-left:2px solid transparent;font-size:.86rem;line-height:1.35;color:var(--muted);text-decoration:none}
.toc a:hover{color:var(--ink)}.toc a.on{color:var(--ink);font-weight:600;border-left-color:var(--flare)}
.toc li.l3 a{padding-left:28px;font-size:.82rem}
.share{display:flex;flex-wrap:wrap;gap:8px;margin-top:28px;position:static!important}
.share .toc__title{width:100%;margin-bottom:2px}
.share a,.share button{width:38px;height:38px;border-radius:10px;border:1px solid var(--line-2);background:#fff;display:grid;place-items:center;font:600 13px var(--mono);color:var(--ink);text-decoration:none;cursor:pointer}
.share a:hover,.share button:hover{background:var(--ink);color:#fff;border-color:var(--ink)}
.article__main{min-width:0}
.prose{font:400 1.14rem/1.78 var(--serif);color:#1d2833;max-width:70ch}
.prose>*:first-child{margin-top:0}
.prose p{margin:0 0 1.25em}
.prose h2{font-size:1.85rem;margin:2.2em 0 .6em;padding-top:.3em;position:relative}
.prose h2::before{content:"";display:block;width:44px;height:3px;background:var(--flare);margin-bottom:.7em}
.prose h3{font-size:1.38rem;margin:1.9em 0 .5em}
.prose h4{font:700 1rem var(--sans);text-transform:uppercase;letter-spacing:.06em;margin:1.8em 0 .5em;color:var(--ember)}
.prose>h3:first-child{font-weight:500;font-size:1.4rem;line-height:1.4;color:#33414f;border-left:3px solid var(--flare);padding-left:18px;margin-bottom:1.6em}
.prose a{color:#0b5aa6;font-weight:500}.prose a:hover{color:var(--ember)}
.prose ul,.prose ol{padding-left:1.3em;margin:0 0 1.3em}.prose li{margin-bottom:.45em}.prose li::marker{color:var(--flare-d)}
.prose strong{color:var(--ink);font-weight:700}
.prose hr{border:0;height:1px;background:var(--line-2);margin:2.4em 0}
.prose blockquote{margin:1.8em 0;padding:.4em 0 .4em 1.4em;border-left:4px solid var(--flare);font-size:1.25rem;font-style:italic;color:#2c3a48}
.prose blockquote p{margin:0}
.prose figure{margin:0}
.table-wrap{overflow-x:auto;margin:1.8em -4px;border:1px solid var(--line-2);border-radius:12px;background:#fff;-webkit-overflow-scrolling:touch}
.data-table{width:100%;border-collapse:collapse;font:400 .9rem/1.45 var(--sans);min-width:560px}
.data-table th,.data-table td{padding:11px 14px;text-align:left;vertical-align:top;border-bottom:1px solid var(--line)}
.data-table thead th{background:var(--ink);color:#fff;font:600 11.5px var(--mono);letter-spacing:.06em;text-transform:uppercase;white-space:nowrap;position:sticky;top:0}
.data-table tbody tr:nth-child(even){background:#faf8f3}.data-table tbody tr:hover{background:#fff5e0}
.data-table tbody td:first-child{font-weight:600;color:var(--ink)}
.data-table tr:last-child td{border-bottom:0}
.article__foot{max-width:70ch;margin-top:3.2rem;padding-top:1.6rem;border-top:1px solid var(--line-2)}
.foot-note{font-size:.88rem;color:var(--muted);background:var(--tint);padding:14px 16px;border-radius:10px;border:1px solid var(--line)}
.prevnext{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:22px}
.prevnext a{display:block;padding:16px 18px;border:1px solid var(--line-2);border-radius:12px;text-decoration:none;background:#fff;transition:.2s}
.prevnext a:hover{border-color:var(--flare)}.prevnext a.r{text-align:right;grid-column:2}
.prevnext small{display:block;font:11px var(--mono);color:var(--muted);text-transform:uppercase;letter-spacing:.08em;margin-bottom:4px}
.prevnext span{font:600 1rem/1.3 var(--serif);color:var(--ink)}
.to-top{position:fixed;right:20px;bottom:20px;width:46px;height:46px;border-radius:50%;border:0;background:var(--ink);color:var(--flare);font-size:20px;cursor:pointer;box-shadow:var(--shadow);z-index:90}

/* ---- contact ---- */
.contact{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:start}
.ticks{list-style:none;padding:0;margin:0 0 2rem}.ticks li{padding:10px 0 10px 30px;position:relative;border-bottom:1px solid var(--line)}
.ticks li::before{content:"";position:absolute;left:0;top:17px;width:14px;height:8px;border-left:3px solid var(--flare);border-bottom:3px solid var(--flare);transform:rotate(-45deg)}
.facts{display:grid;gap:12px;margin:0}.facts div{display:grid;grid-template-columns:110px 1fr}.facts dt{font:600 11px var(--mono);letter-spacing:.1em;text-transform:uppercase;color:var(--muted);padding-top:3px}.facts dd{margin:0}
.form{background:#fff;border:1px solid var(--line);border-top:4px solid var(--flare);border-radius:var(--r);padding:34px;box-shadow:var(--shadow);display:grid;gap:16px}
.form h2{margin:0 0 4px;font-size:1.5rem}
.form label{display:grid;gap:6px;font:600 13px var(--sans);color:#33414f}
.form input,.form textarea{font:16px var(--sans);padding:.8rem .9rem;border:1px solid var(--line-2);border-radius:9px;background:#fdfcf9;color:var(--text);width:100%}
.form input:focus,.form textarea:focus{outline:0;border-color:var(--flare);box-shadow:0 0 0 4px rgba(242,164,19,.2)}
.alert{padding:12px 14px;border-radius:9px;font-weight:500;margin:0}.alert--ok{background:#e4f5ea;color:#14532d}.alert--err{background:#fde8e6;color:#8a1c12}

/* ---- footer ---- */
.site-footer{background:var(--ink);color:#9fb0c0;padding-top:64px;font-size:.93rem}
.footer__grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:44px;padding-bottom:48px}
.footer__brand p{max-width:34ch;margin-top:16px}.footer__mail a{color:var(--flare)}
.site-footer h4{font:600 11px var(--mono);letter-spacing:.14em;text-transform:uppercase;color:#fff;margin-bottom:16px}
.site-footer ul{list-style:none;padding:0;margin:0;display:grid;gap:9px}.site-footer a{text-decoration:none;color:#9fb0c0}.site-footer a:hover{color:var(--flare)}
.footer__bar{display:flex;justify-content:space-between;gap:16px;padding-block:22px;border-top:1px solid #1d2a37;font-size:.84rem;flex-wrap:wrap}

/* ---- responsive ---- */
@media (max-width:1100px){.grid--4{grid-template-columns:repeat(2,1fr)}.hero__in{gap:36px}.search-mini{width:170px}}
@media (max-width:960px){
  .hero__in,.academy__in,.newsletter__in,.contact{grid-template-columns:1fr}
  .hero__in{padding-block:48px 56px}.lead-card{aspect-ratio:16/11}
  .grid--3,.themes{grid-template-columns:repeat(2,1fr)}
  .article__layout{grid-template-columns:1fr;gap:12px}
  .article__side>*{position:static}.toc{max-height:none;margin-bottom:8px;background:#fff;border:1px solid var(--line);border-radius:12px;padding:16px}
  .toc ol{max-height:220px;overflow:auto}.share{margin-top:0;order:3}
  .footer__grid{grid-template-columns:1fr 1fr}
  .burger{display:flex}.hide-sm{display:none}
  .nav{position:absolute;top:100%;left:0;right:0;background:var(--paper);flex-direction:column;padding:12px 20px 24px;border-bottom:1px solid var(--line);box-shadow:0 30px 40px -20px rgba(0,0,0,.3);transform:translateY(-12px);opacity:0;pointer-events:none;transition:.2s;margin:0}
  .nav.open{transform:none;opacity:1;pointer-events:auto}.nav a{font-size:17px;padding:14px 10px;border-bottom:1px solid var(--line)}
  .nav a.is-active::after{display:none}
  .search-mini{width:auto;flex:1}.header__tools{margin-left:auto;flex:1;justify-content:flex-end}.search-mini:focus-within{width:auto}
}
@media (max-width:640px){
  .wrap{padding:0 18px}.topbar__date{display:none}
  .grid--3,.grid--4,.themes,.atlas{grid-template-columns:1fr}
  .section{padding:52px 0}.hero__stats{gap:22px}
  .nl-form{grid-template-columns:1fr}.footer__grid{grid-template-columns:1fr}
  .prevnext{grid-template-columns:1fr}.prevnext a.r{grid-column:1}
  .syllabus a{grid-template-columns:auto 1fr}.syllabus__min{display:none}
  .section__head{flex-direction:column;align-items:flex-start}.prose{font-size:1.07rem}
  .search-mini{display:none}.header__in{gap:12px}.brand__txt{font-size:17px}
  .hero__search{flex-direction:column}.hero__search .btn{width:100%}
}
@media (prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}}
@media print{.topbar,.site-header,.site-footer,.newsletter,.article__side,.to-top,.progress{display:none}.article__head{background:none}.article__head h1,.standfirst{color:#000}.article__layout{display:block}}