/* ============================================================
   MeraProfessor — master brand & design system
   Palette sampled directly from assets/banner.png:
     deep teal-green (teacher's kameez · AI hologram · Pakistan green),
     warm gold (the banner's stars / graduation glow),
     cream paper, slate, taupe.
   Fonts: Fraunces (display) · Newsreader (body) · JetBrains Mono (labels).
   ============================================================ */
:root{
  --ink:#16241f;          /* primary text                          */
  --paper:#fbf6ea;        /* page background (warm cream)           */
  --paper-2:#f3ebd9;      /* raised surfaces / cards                */
  --paper-3:#ece0c8;      /* deeper card tint                       */
  --line:#d8cbb0;         /* borders & hairlines                   */
  --muted:#6c6353;        /* secondary text (taupe ink)            */

  --teal:#0e8042;         /* PRIMARY brand — bright Pakistan green  */
  --teal-2:#16a34a;       /* brighter green (gradients, hovers)    */
  --teal-deep:#0a5e30;    /* deep green (headers, footer, top bar) */
  --teal-tint:#e6f4ea;    /* green wash behind panels              */

  --gold:#2dd48a;         /* SECONDARY accent (highlights, stars)  */
  --gold-deep:#0c8f56;    /* darker gold                           */
  --gold-tint:#e2f7ee;    /* gold wash                             */

  --slate:#3a4a50;        /* cool neutral (the banner's desks/board)*/
  --green-flag:#006600;   /* official Pakistan-flag green for "ready" */
  --ok:#2f6b3d; --ok-bg:#e6efe6;
  --radius:12px;
}

*{box-sizing:border-box;}
html,body{margin:0;}
body{
  background:
    radial-gradient(circle at 10% 6%, color-mix(in srgb,var(--gold) 12%,transparent), transparent 42%),
    radial-gradient(circle at 92% -4%, color-mix(in srgb,var(--teal) 14%,transparent), transparent 46%),
    var(--paper);
  color:var(--ink);
  font-family:"Newsreader",Georgia,serif;font-size:18px;line-height:1.62;
  -webkit-font-smoothing:antialiased;min-height:100vh;
}
a{color:var(--teal);}

/* ============================================================
   SITEWIDE BANNER HEADER (appears on every page via site-header.js)
   ============================================================ */
.mp-topbar{
  position:sticky;top:0;z-index:1200;
  background:var(--teal-deep);
  border-bottom:3px solid var(--gold);
  box-shadow:0 6px 22px -14px rgba(0,0,0,.6);
}
.mp-topbar-inner{
  max-width:1320px;margin:0 auto;padding:10px 22px;
  display:flex;align-items:center;gap:16px;
}
.mp-logo{display:flex;align-items:center;gap:12px;text-decoration:none;color:#fff;}
.mp-logo .mp-mark{
  width:40px;height:40px;border-radius:11px;flex:none;overflow:hidden;
  border:2px solid var(--gold);background:#fff;display:grid;place-items:center;
}
.mp-logo .mp-mark img{width:100%;height:100%;object-fit:cover;}
.mp-logo .mp-name{font-family:"Fraunces",serif;font-weight:900;font-size:20px;letter-spacing:-.01em;line-height:1;}
.mp-logo .mp-name em{font-style:normal;color:var(--gold);}
.mp-logo .mp-sub{display:block;font-family:"JetBrains Mono",monospace;font-size:9.5px;letter-spacing:.26em;text-transform:uppercase;color:#a9d6b8;margin-top:3px;}
.mp-nav{margin-left:auto;display:flex;align-items:center;gap:4px;flex-wrap:wrap;}
.mp-nav a{
  font-family:"JetBrains Mono",monospace;font-size:12px;letter-spacing:.04em;
  color:#dcebe5;text-decoration:none;padding:7px 12px;border-radius:8px;transition:background .15s,color .15s;
}
.mp-nav a:hover{background:rgba(45,212,138,.16);color:#fff;}
.mp-nav a.cta{background:var(--gold);color:var(--teal-deep);font-weight:700;}
.mp-nav a.cta:hover{background:#4fe0a0;color:var(--teal-deep);}
@media(max-width:760px){
  .mp-logo .mp-sub{display:none;}
  .mp-nav a{padding:6px 9px;font-size:11px;}
}

/* The big hero banner image (home page) */
.mp-hero-banner{position:relative;max-width:1320px;margin:0 auto;}
.mp-hero-banner img{display:block;width:100%;height:auto;}

/* ============================================================
   SHARED PRIMITIVES (hub, subject pages, Maths course)
   ============================================================ */
.wrap{max-width:1180px;margin:0 auto;padding:40px 26px 90px;}
.kicker{font-family:"JetBrains Mono",monospace;font-size:12px;letter-spacing:.3em;text-transform:uppercase;color:var(--teal-2);margin-bottom:12px;}
h1.display{font-family:"Fraunces",serif;font-weight:900;font-size:clamp(32px,5vw,56px);line-height:1;margin:0 0 12px;letter-spacing:-.02em;color:var(--teal-deep);}
h1.display em{font-style:italic;color:var(--gold-deep);}
.lede{font-size:clamp(17px,2.1vw,21px);max-width:66ch;color:#33402f;margin:0 0 8px;}
.rule{height:3px;background:linear-gradient(90deg,var(--teal),var(--gold) 60%,transparent);margin:26px 0 12px;border-radius:2px;}
.crumbs{font-family:"JetBrains Mono",monospace;font-size:12px;letter-spacing:.08em;text-transform:uppercase;color:var(--muted);margin-bottom:20px;}
.crumbs a{color:var(--teal-2);text-decoration:none;}
.crumbs a:hover{text-decoration:underline;}
.crumbs .sep{margin:0 8px;opacity:.6;}
.section{margin-top:46px;}
.section-label{font-family:"JetBrains Mono",monospace;font-size:12px;letter-spacing:.18em;text-transform:uppercase;color:var(--muted);border-bottom:1px solid var(--line);padding-bottom:8px;margin-bottom:22px;}

/* Subject grid (home hub) */
.subject-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:18px;}
.subject{
  position:relative;display:flex;flex-direction:column;gap:8px;
  background:var(--paper-2);border:1px solid var(--line);border-left:5px solid var(--teal);
  border-radius:var(--radius);padding:22px 22px 20px;text-decoration:none;color:var(--ink);
  box-shadow:0 14px 34px -26px rgba(20,55,50,.7);transition:transform .15s,border-color .15s,box-shadow .15s;
  min-height:168px;
}
.subject:hover{transform:translateY(-4px);border-color:var(--teal-2);box-shadow:0 22px 44px -28px rgba(20,55,50,.8);}
.subject .s-ico{font-size:30px;line-height:1;}
.subject .s-name{font-family:"Fraunces",serif;font-weight:700;font-size:24px;line-height:1.05;}
.subject .s-tag{font-size:14.5px;color:var(--muted);line-height:1.45;}
.subject .s-meta{margin-top:auto;font-family:"JetBrains Mono",monospace;font-size:11px;letter-spacing:.08em;color:var(--teal-2);}
.subject .pill{position:absolute;top:14px;right:14px;font-family:"JetBrains Mono",monospace;font-size:9.5px;letter-spacing:.14em;text-transform:uppercase;padding:3px 9px;border-radius:999px;background:rgba(23,114,69,.12);border:1px solid rgba(23,114,69,.4);color:var(--green-flag);}
.subject.soon{opacity:.62;border-left-color:var(--line);}
.subject.soon .pill{background:rgba(45,212,138,.16);border-color:rgba(12,143,86,.5);color:var(--gold-deep);}
.subject.maths{border-left-color:var(--gold);}
.subject.maths:hover{border-color:var(--gold-deep);}

/* Chapter list (subject hub / Maths course) */
.chapters{list-style:none;padding:0;margin:0;display:grid;gap:12px;}
.chapter{
  display:flex;align-items:center;gap:16px;text-decoration:none;color:var(--ink);
  background:var(--paper-2);border:1px solid var(--line);border-left:5px solid var(--line);
  border-radius:var(--radius);padding:15px 18px;box-shadow:0 12px 30px -26px rgba(20,55,50,.6);
  transition:transform .14s,border-color .14s;
}
.chapter .c-num{flex:none;width:40px;height:40px;border-radius:50%;display:grid;place-items:center;font-family:"JetBrains Mono",monospace;font-weight:700;font-size:15px;background:var(--paper);border:1px solid var(--line);color:var(--muted);}
.chapter .c-body{flex:1;min-width:0;}
.chapter .c-title{display:block;font-family:"Fraunces",serif;font-weight:600;font-size:20px;line-height:1.2;}
.chapter .c-sub{display:block;font-size:14px;color:var(--muted);margin-top:3px;line-height:1.4;}
.c-actions{flex:none;display:flex;gap:8px;align-items:center;flex-wrap:wrap;justify-content:flex-end;}
.c-btn{font-family:"JetBrains Mono",monospace;font-size:12px;letter-spacing:.05em;text-decoration:none;padding:8px 14px;border-radius:8px;border:1px solid var(--line);background:var(--paper);color:var(--teal-deep);white-space:nowrap;transition:transform .12s,background .12s,border-color .12s;}
.c-btn:hover{transform:translateY(-1px);border-color:var(--teal);background:#fff;}
.c-btn.primary{background:var(--teal);border-color:var(--teal);color:#fff;}
.c-btn.primary:hover{background:var(--teal-deep);}
.c-btn.soon{opacity:.5;pointer-events:none;background:transparent;color:var(--muted);}
.chapter.ready{border-left-color:var(--teal);}
.chapter.ready:hover{transform:translateY(-2px);border-color:var(--teal);}
.chapter.ready .c-num{background:var(--teal);border-color:var(--teal);color:#fff;}
.chapter.soon{opacity:.62;}
@media(max-width:560px){ .chapter{flex-wrap:wrap;} .c-actions{width:100%;} }

/* Dark teal payoff/CTA banner */
.payoff{background:var(--teal-deep);color:#eaf3ee;border-radius:14px;padding:28px 32px;position:relative;overflow:hidden;margin-top:44px;}
.payoff:before{content:"";position:absolute;inset:0;background:radial-gradient(circle at 86% 12%,color-mix(in srgb,var(--gold) 26%,transparent),transparent 56%);}
.payoff *{position:relative;}
.payoff h3{font-family:"Fraunces",serif;margin:0 0 6px;color:#fff;font-size:25px;font-weight:700;}
.payoff p{margin:0;color:#bcd3c9;}

/* About strip */
.about{display:grid;grid-template-columns:1.3fr 1fr;gap:26px;align-items:center;margin-top:46px;background:var(--paper-2);border:1px solid var(--line);border-radius:14px;padding:26px 28px;}
.about h2{font-family:"Fraunces",serif;font-size:28px;color:var(--teal-deep);margin:0 0 10px;}
.about p{margin:0 0 12px;color:#33402f;font-size:16.5px;}
.about .badges{display:flex;flex-wrap:wrap;gap:9px;margin-top:6px;}
.about .badges span{font-family:"JetBrains Mono",monospace;font-size:11.5px;background:var(--teal-tint);color:var(--teal-deep);border:1px solid var(--line);padding:5px 11px;border-radius:999px;}
.about .about-art{border-radius:12px;overflow:hidden;border:1px solid var(--line);}
.about .about-art img{display:block;width:100%;height:100%;object-fit:cover;}
@media(max-width:780px){ .about{grid-template-columns:1fr;} }

/* Footer */
.mp-footer{background:var(--teal-deep);color:#bcd3c9;margin-top:60px;}
.mp-footer-inner{max-width:1180px;margin:0 auto;padding:34px 26px;display:flex;flex-wrap:wrap;gap:18px;align-items:center;justify-content:space-between;font-family:"JetBrains Mono",monospace;font-size:12.5px;}
.mp-footer-inner a{color:var(--gold);text-decoration:none;}
.mp-footer-inner .fcol{display:flex;flex-direction:column;gap:4px;}
.mp-footer strong{color:#fff;font-family:"Fraunces",serif;font-size:16px;}