/* LIMBA — Spoken Palestinian Arabic, written course. Standalone stylesheet (no framework). */
:root{
  --ink:#1c2925; --muted:#5d6c66; --line:#e3e8e2; --paper:#fbfaf6; --white:#fff;
  --olive:#3b6b47; --olive-d:#2a5134; --olive-dd:#1d3b25; --olive-s:#eaf2e8;
  --sand:#f5eddf; --sand-d:#e9dcc4; --terra:#c2552f; --gold:#f4b73a; --gold-d:#d99a17;
  --a1:#2f8a57; --a2:#2c7aa5; --b1:#8b5bb0; --ok:#2f8a57; --no:#c2452f;
  --ar:#17563a; --radius:18px; --shadow:0 10px 30px rgba(29,59,37,.12);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;font-family:'Noto Sans',system-ui,-apple-system,'Segoe UI',Roboto,Arial,sans-serif;color:var(--ink);background:var(--paper);line-height:1.65;font-size:17px}
a{color:var(--olive-d)}
img,svg{max-width:100%;height:auto}
.wrap{max-width:880px;margin:0 auto;padding:0 18px}
h1,h2,h3{font-family:'Montserrat','Noto Sans',system-ui,sans-serif;line-height:1.2;color:var(--olive-dd)}
h1{font-size:clamp(1.85rem,4.6vw,2.7rem);font-weight:800;margin:.1em 0 .25em}
h2{font-size:clamp(1.35rem,3vw,1.75rem);font-weight:800;margin:0 0 .6em}
h3{font-size:1.12rem;font-weight:700;margin:1.3em 0 .45em}
.ar{font-family:'Noto Sans',system-ui,sans-serif;font-weight:700;color:var(--ar);font-style:normal;white-space:normal}
.en{color:var(--muted)}

/* ---------- sticky top bar ---------- */
.top{position:sticky;top:0;z-index:40;background:rgba(251,250,246,.94);backdrop-filter:saturate(170%) blur(10px);-webkit-backdrop-filter:saturate(170%) blur(10px);border-bottom:1px solid var(--line)}
.top-in{display:flex;align-items:center;gap:10px;max-width:1080px;margin:0 auto;padding:9px 16px}
.brand{display:flex;align-items:center;gap:9px;text-decoration:none;color:var(--ink);font-weight:800;font-family:'Montserrat',sans-serif;white-space:nowrap}
.brand img{border-radius:8px;width:32px;height:32px}
.brand small{display:block;font-weight:600;font-size:.72rem;color:var(--muted);font-family:'Noto Sans',sans-serif;letter-spacing:.01em}
.pager{display:flex;align-items:center;gap:6px;margin-left:auto}
.pg{display:inline-flex;align-items:center;justify-content:center;min-width:40px;height:40px;padding:0 12px;border-radius:999px;border:1.5px solid var(--line);background:var(--white);color:var(--olive-dd);text-decoration:none;font-weight:700;font-size:.92rem}
.pg:hover{border-color:var(--olive);background:var(--olive-s)}
.pg.off{opacity:.35;pointer-events:none}
.pg-now{font-weight:700;font-size:.9rem;color:var(--muted);padding:0 4px;white-space:nowrap}
.pg-map{gap:6px}
.top-cta{display:inline-flex;align-items:center;gap:7px;height:40px;padding:0 16px;border-radius:999px;background:var(--gold);color:#2b1f00;font-weight:800;text-decoration:none;font-size:.9rem;white-space:nowrap;box-shadow:0 2px 0 var(--gold-d)}
.top-cta:hover{background:#ffc54d}
.progress{height:4px;background:var(--line)}
.progress span{display:block;height:100%;background:linear-gradient(90deg,var(--olive),var(--gold))}
@media (max-width:760px){.brand small{display:none}.pg-map span{display:none}.top-cta span{display:none}.top-cta{padding:0 12px}.pg-now{display:none}}
@media (max-width:420px){.brand b{display:none}}

/* ---------- lesson head ---------- */
.crumb{font-size:.84rem;color:var(--muted);margin:18px 0 6px}
.crumb a{color:var(--muted);text-decoration:none}.crumb a:hover{color:var(--olive-d);text-decoration:underline}
.crumb span{margin:0 5px;opacity:.6}
.head{display:grid;grid-template-columns:150px 1fr;gap:22px;align-items:center;margin:8px 0 14px}
.art{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:10px;box-shadow:var(--shadow)}
.art svg{display:block;width:100%;height:auto}
.kicker{margin:0;font-size:.9rem;color:var(--muted);font-weight:600}
.lvl{display:inline-block;padding:2px 10px;border-radius:999px;color:#fff;font-weight:800;font-size:.78rem;letter-spacing:.04em;margin-right:6px;vertical-align:1px}
.lvl.A1{background:var(--a1)}.lvl.A2{background:var(--a2)}.lvl.B1{background:var(--b1)}
.key{margin:.2em 0 .35em;font-size:clamp(1.3rem,3.4vw,1.75rem)}
.goal{margin:0;font-size:1.04rem}
@media (max-width:620px){.head{grid-template-columns:1fr;gap:10px}.head .art{width:118px;padding:6px;border-radius:14px}}
.toc{display:flex;flex-wrap:wrap;gap:8px;margin:12px 0 22px}
@media (max-width:620px){.toc{flex-wrap:nowrap;overflow-x:auto;padding-bottom:4px;-webkit-overflow-scrolling:touch}.toc a{flex:0 0 auto}}
.toc a{display:inline-flex;align-items:center;gap:7px;padding:7px 14px;border-radius:999px;background:var(--white);border:1.5px solid var(--line);text-decoration:none;color:var(--ink);font-weight:600;font-size:.9rem}
.toc a b{display:inline-flex;align-items:center;justify-content:center;width:22px;height:22px;border-radius:50%;background:var(--olive);color:#fff;font-size:.75rem}
.toc a:hover{border-color:var(--olive)}

/* ---------- the call to action ---------- */
.cta{position:relative;overflow:hidden;display:grid;grid-template-columns:132px 1fr;gap:26px;align-items:center;margin:26px 0 34px;padding:30px 32px;border-radius:26px;color:#fff;
  background:radial-gradient(1200px 400px at 100% 0%,rgba(244,183,58,.22),transparent 55%),linear-gradient(135deg,#2a5134 0%,#1d3b25 60%,#16301e 100%);box-shadow:0 18px 45px rgba(22,48,30,.35)}
.cta:after{content:"";position:absolute;right:-60px;bottom:-60px;width:220px;height:220px;border-radius:50%;background:rgba(255,255,255,.05)}
.cta-art svg{width:132px;height:132px;display:block}
.cta-kicker{margin:0 0 4px;text-transform:uppercase;letter-spacing:.12em;font-size:.76rem;font-weight:800;color:var(--gold)}
.cta-title{margin:0 0 8px;color:#fff;font-size:clamp(1.45rem,3.6vw,2.05rem);font-weight:800}
.cta-text{margin:0 0 18px;color:#e6efe7;font-size:1.04rem;max-width:560px}
.cta-text b{color:#fff}
.cta-btn{display:inline-flex;align-items:center;gap:12px;padding:17px 30px;border-radius:999px;background:var(--gold);color:#241a00;text-decoration:none;font-weight:800;font-size:clamp(1.05rem,2.6vw,1.25rem);box-shadow:0 4px 0 var(--gold-d),0 12px 24px rgba(0,0,0,.25);transition:transform .12s ease,background .12s ease}
.cta-btn:hover{background:#ffc54d;transform:translateY(-1px)}
.cta-btn i{font-style:normal;font-size:1.3em;line-height:1}
.cta-small{margin:12px 0 0;font-size:.86rem;color:#c9dacb}
.cta-try{margin:18px 0 0;padding:12px 14px;border-radius:14px;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.14);max-width:560px}
.cta-try p{margin:0 0 8px;font-weight:700;font-size:.92rem;color:#fff}
.cta-try audio{width:100%;height:40px}
@media (max-width:620px){.cta{grid-template-columns:1fr;padding:24px 20px;gap:10px;text-align:left}.cta-art svg{width:84px;height:84px}.cta-btn{width:100%;justify-content:center;padding:17px 18px}}
.cta-mid{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:14px 20px;margin:30px 0;padding:18px 22px;border-radius:18px;background:var(--sand);border:1px solid var(--sand-d)}
.cta-mid p{margin:0;font-weight:600;max-width:520px}
.cta-mid a{display:inline-flex;align-items:center;gap:9px;padding:13px 22px;border-radius:999px;background:var(--olive-d);color:#fff;text-decoration:none;font-weight:800;white-space:nowrap}
.cta-mid a:hover{background:var(--olive-dd)}

/* ---------- sections ---------- */
.sec{margin:34px 0}
.sec-h{display:flex;align-items:center;gap:12px;margin:0 0 14px}
.sec-h b{display:inline-flex;align-items:center;justify-content:center;width:34px;height:34px;border-radius:50%;background:var(--olive);color:#fff;font-family:'Montserrat',sans-serif;font-size:.95rem;flex:0 0 34px}
.sec-h h2{margin:0}
.card{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:20px 22px;box-shadow:0 2px 0 rgba(0,0,0,.02)}
.intro p{margin:0 0 .6em}

.sounds-note{margin:0 0 18px;padding:12px 16px;border-radius:14px;background:var(--olive-s);font-weight:600;font-size:.95rem}
.sounds-note a{color:var(--olive-dd)}

/* dialogue */
.scene{margin:0 0 12px;color:var(--muted);font-weight:600}
.dlg{list-style:none;margin:0;padding:0}
.dlg li{display:grid;grid-template-columns:44px 1fr;gap:12px;padding:10px 0;border-top:1px dashed var(--line)}
.dlg li:first-child{border-top:0}
.who{width:44px;height:44px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-weight:800;color:#fff;font-family:'Montserrat',sans-serif;font-size:.95rem}
.who-name{display:block;font-size:.78rem;font-weight:700;color:var(--muted);margin-bottom:1px}
.dlg .ar{display:block;font-size:1.14rem;line-height:1.45}
.dlg .en{display:block;font-size:.95rem;margin-top:2px}
.hide-en .dlg .en{visibility:hidden}
.dlg-tools{display:flex;gap:10px;margin-top:12px}
.btn-s{display:inline-flex;align-items:center;gap:8px;padding:8px 15px;border-radius:999px;border:1.5px solid var(--line);background:var(--white);font:inherit;font-weight:700;font-size:.88rem;color:var(--olive-dd);cursor:pointer}
.btn-s:hover{border-color:var(--olive);background:var(--olive-s)}
.c0{background:#3b6b47}.c1{background:#c2552f}.c2{background:#2c7aa5}.c3{background:#8b5bb0}.c4{background:#b07a17}.c5{background:#4f6b7a}.c6{background:#a8465f}.c7{background:#5f7d2e}.c8{background:#7a5a44}

/* words */
.words{width:100%;border-collapse:collapse}
.words th{text-align:left;font-size:.8rem;text-transform:uppercase;letter-spacing:.06em;color:var(--muted);padding:0 10px 8px;border-bottom:2px solid var(--line)}
.words td{padding:10px;border-bottom:1px solid var(--line);vertical-align:top}
.words td:first-child{width:38%}
.words .ar{font-size:1.08rem}
.words .note{display:block;font-size:.86rem;color:var(--muted);margin-top:2px}
@media (max-width:620px){.words thead{display:none}.words tr{display:block;padding:9px 0;border-bottom:1px solid var(--line)}.words td{display:block;border:0;padding:0 2px;width:auto!important}}

/* grammar */
.grammar h3:first-child{margin-top:0}
.grammar p{margin:0 0 .7em}
.grammar ul{margin:0 0 .8em;padding-left:1.2em}
.tbl{width:100%;border-collapse:separate;border-spacing:0;margin:10px 0 14px;border:1px solid var(--line);border-radius:12px;overflow:hidden;font-size:.97rem}
.tbl th{background:var(--olive-s);text-align:left;padding:9px 12px;font-weight:700;color:var(--olive-dd)}
.tbl td{padding:9px 12px;border-top:1px solid var(--line)}
.tbl-wrap{overflow-x:auto}
.exm{display:flex;flex-wrap:wrap;gap:4px 12px;align-items:baseline;margin:8px 0;padding:10px 14px;border-left:4px solid var(--gold);background:#fffaf0;border-radius:0 12px 12px 0}
.exm .ar{font-size:1.06rem}
.tip{display:grid;grid-template-columns:38px 1fr;gap:12px;background:var(--sand);border:1px solid var(--sand-d);border-radius:var(--radius);padding:16px 18px;margin:26px 0}
.tip svg{width:38px;height:38px}
.tip p{margin:0 0 .5em}.tip p:last-child{margin:0}
.tip-t{font-weight:800;color:#7a4b12;margin:0 0 4px!important}

/* exercises */
.ex{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:18px 20px;margin:0 0 18px}
.ex-h{display:flex;align-items:baseline;justify-content:space-between;gap:10px;margin:0 0 10px}
.ex-h h3{margin:0;font-size:1.05rem}
.ex-h h3 span{color:var(--terra);margin-right:6px}
.ex-score{font-weight:800;font-size:.88rem;color:var(--muted);white-space:nowrap}
.qs{list-style:none;margin:0;padding:0;counter-reset:q}
.q{padding:12px 0;border-top:1px solid var(--line);counter-increment:q}
.q:first-child{border-top:0}
.q-t{margin:0 0 9px;font-weight:600}
.q-t:before{content:counter(q) ". ";color:var(--muted);font-weight:700}
.opts{display:flex;flex-wrap:wrap;gap:8px}
.opt{font:inherit;font-size:1rem;padding:10px 16px;border-radius:12px;border:1.5px solid var(--line);background:#fcfcfa;cursor:pointer;color:var(--ink);text-align:left;line-height:1.35}
.opt:hover{border-color:var(--olive);background:var(--olive-s)}
.opt.ok{border-color:var(--ok);background:#e5f4ea;color:#14532d}
.opt.no{border-color:var(--no);background:#fbe9e4;color:#7f1d1d;text-decoration:line-through}
.answered .opt{cursor:default}
.fb{margin:9px 0 0;font-size:.93rem;padding:8px 12px;border-radius:10px;background:var(--olive-s)}
.fb.bad{background:#fbe9e4}
.blank{display:inline-block;min-width:3.2em;border-bottom:2px solid var(--gold);text-align:center;color:var(--ar);font-weight:700}
.chips,.built{display:flex;flex-wrap:wrap;gap:8px;min-height:46px}
.built{padding:8px;border:2px dashed var(--line);border-radius:12px;margin-bottom:9px;background:#fcfcfa}
.chip{font:inherit;font-weight:700;color:var(--ar);padding:8px 14px;border-radius:999px;border:1.5px solid var(--sand-d);background:var(--sand);cursor:pointer}
.chip:hover{border-color:var(--gold-d)}
.q-act{display:flex;flex-wrap:wrap;gap:8px;margin-top:9px}
.ans{margin:9px 0 0;padding:9px 13px;border-radius:10px;background:var(--olive-s)}
.ex-done{margin:6px 0 0;padding:16px 18px;border-radius:var(--radius);background:linear-gradient(135deg,#eaf2e8,#fff7e6);border:1px solid var(--line);font-weight:700;display:none}
.ex-done.on{display:block}

/* summary, pager, unit list */
.sum ul{list-style:none;margin:0;padding:0}
.sum li{position:relative;padding:6px 0 6px 32px}
.sum li:before{content:"";position:absolute;left:0;top:9px;width:20px;height:20px;border-radius:50%;background:var(--olive) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20'%3E%3Cpath d='M5 10.5l3.2 3.2L15 7' fill='none' stroke='%23fff' stroke-width='2.4' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center/20px no-repeat}
.done-btn{margin-top:12px}
.done-btn.is-done{background:var(--olive);color:#fff;border-color:var(--olive)}
.big-pager{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin:30px 0}
.big-pager a{display:block;padding:18px 20px;border-radius:var(--radius);text-decoration:none;border:1.5px solid var(--line);background:var(--white);color:var(--ink)}
.big-pager a:hover{border-color:var(--olive);box-shadow:var(--shadow)}
.big-pager small{display:block;font-size:.8rem;font-weight:700;color:var(--muted);text-transform:uppercase;letter-spacing:.06em}
.big-pager strong{display:block;font-family:'Montserrat',sans-serif;font-size:1.08rem;color:var(--olive-dd);margin-top:3px}
.big-pager .nx{text-align:right;background:var(--olive-d);border-color:var(--olive-d)}
.big-pager .nx small{color:#cfe0d2}.big-pager .nx strong{color:#fff}
.big-pager .nx:hover{background:var(--olive-dd)}
@media (max-width:620px){.big-pager{grid-template-columns:1fr}.big-pager .nx{order:-1}}
.unit-box{margin:34px 0}
.unit-box h2 a{text-decoration:none;color:inherit}
.ls{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:8px}
.ls a{display:flex;align-items:center;gap:11px;padding:10px 13px;border-radius:13px;background:var(--white);border:1px solid var(--line);text-decoration:none;color:var(--ink);font-weight:600;font-size:.95rem;line-height:1.3}
.ls a:hover{border-color:var(--olive);background:var(--olive-s)}
.ls .n{flex:0 0 32px;height:32px;border-radius:50%;display:flex;align-items:center;justify-content:center;background:var(--olive-s);color:var(--olive-dd);font-weight:800;font-size:.85rem}
.ls a.cur{border-color:var(--olive);box-shadow:inset 0 0 0 1px var(--olive)}
.ls a.cur .n{background:var(--olive);color:#fff}
.ls a.seen .n{background:var(--ok);color:#fff}
.ls a.seen .n:after{content:"\2713"}
.ls a.seen .n span{display:none}

/* index page */
.hero{display:grid;grid-template-columns:1fr 260px;gap:28px;align-items:center;padding:30px 0 6px}
.hero .lead{font-size:1.14rem;color:var(--muted);margin:.4em 0 1em}
.hero-btns{display:flex;flex-wrap:wrap;gap:12px}
.btn-main{display:inline-flex;align-items:center;gap:10px;padding:15px 26px;border-radius:999px;background:var(--olive-d);color:#fff;text-decoration:none;font-weight:800;font-size:1.05rem}
.btn-main:hover{background:var(--olive-dd)}
.btn-ghost{display:inline-flex;align-items:center;gap:10px;padding:15px 24px;border-radius:999px;border:2px solid var(--olive-d);color:var(--olive-d);text-decoration:none;font-weight:800;font-size:1.05rem;background:var(--white)}
.hero-facts{display:flex;flex-wrap:wrap;gap:8px;margin:16px 0 0;padding:0;list-style:none}
.hero-facts li{padding:6px 12px;border-radius:999px;background:var(--white);border:1px solid var(--line);font-size:.88rem;font-weight:600}
@media (max-width:720px){.hero{grid-template-columns:1fr}.hero .art{max-width:200px;order:-1}}
.steps{display:grid;grid-template-columns:repeat(auto-fit,minmax(190px,1fr));gap:12px;margin:10px 0 0;padding:0;list-style:none;counter-reset:st}
.steps li{background:var(--white);border:1px solid var(--line);border-radius:16px;padding:15px 16px;counter-increment:st}
.steps li:before{content:counter(st);display:inline-flex;align-items:center;justify-content:center;width:30px;height:30px;border-radius:50%;background:var(--gold);color:#241a00;font-weight:800;margin-bottom:7px}
.steps b{display:block;margin-bottom:3px}
.levels{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin:8px 0}
.levels a{display:block;padding:15px 16px;border-radius:16px;color:#fff;text-decoration:none}
.levels a b{display:block;font-family:'Montserrat',sans-serif;font-size:1.3rem}
.levels a.A1{background:var(--a1)}.levels a.A2{background:var(--a2)}.levels a.B1{background:var(--b1)}
@media (max-width:620px){.levels{grid-template-columns:1fr}}
.unit-card{margin:22px 0;padding:20px;border-radius:22px;background:var(--white);border:1px solid var(--line)}
.unit-card h3{margin:0 0 2px;font-size:1.25rem}
.unit-card .sub{margin:0 0 12px;color:var(--muted);font-size:.92rem}
.translit{width:100%;border-collapse:collapse;font-size:.96rem}
.translit td{padding:7px 10px;border-bottom:1px solid var(--line);vertical-align:top}
.translit td:first-child{width:70px;font-size:1.25rem;text-align:center}
.faq details{background:var(--white);border:1px solid var(--line);border-radius:14px;padding:13px 16px;margin:0 0 10px}
.faq summary{cursor:pointer;font-weight:700}
.faq p{margin:.6em 0 0}
.vocab-l{column-width:250px;column-gap:24px;margin:0;padding:0;list-style:none}
.vocab-l li{break-inside:avoid;padding:5px 0;border-bottom:1px solid var(--line)}
.vocab-l .ar{margin-right:6px}
.vocab-l a{font-size:.8rem;color:var(--muted);margin-left:4px}

/* footer */
.foot{margin-top:50px;background:#16301e;color:#cbd9cd;padding:34px 0 26px;font-size:.92rem}
.foot a{color:#fff}
.foot-cols{display:grid;grid-template-columns:repeat(auto-fit,minmax(190px,1fr));gap:20px}
.foot h4{margin:0 0 8px;color:#fff;font-family:'Montserrat',sans-serif}
.foot ul{list-style:none;margin:0;padding:0}.foot li{margin:0 0 6px}
.foot-end{margin-top:22px;padding-top:14px;border-top:1px solid rgba(255,255,255,.12);font-size:.82rem}
:focus-visible{outline:3px solid var(--gold);outline-offset:2px}
@media print{.top,.cta,.cta-mid,.foot,.big-pager,.unit-box{display:none}}