/* GPA Calculator Canada — crisp modern, white/charcoal, maple-red accent */
:root{
  --ink:#1a1d21;
  --ink-soft:#454b52;
  --muted:#6b7280;
  --line:#e7e9ec;
  --line-strong:#d4d8dd;
  --bg:#ffffff;
  --bg-soft:#f7f8fa;
  --bg-softer:#fbfcfd;
  --red:#d52b1e;          /* Canadian maple red */
  --red-dark:#b21f15;
  --red-tint:#fdeceb;
  --radius:14px;
  --radius-sm:9px;
  --shadow:0 1px 2px rgba(16,24,40,.05),0 8px 24px -12px rgba(16,24,40,.12);
  --shadow-lg:0 24px 60px -24px rgba(16,24,40,.28);
  --maxw:1120px;
  --font-sans:"Mona Sans","Helvetica Neue",Helvetica,Arial,sans-serif;
  --font-display:"Hanken Grotesk","Mona Sans",Arial,sans-serif;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;font-family:var(--font-sans);color:var(--ink);background:var(--bg);
  line-height:1.6;font-size:17px;-webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
h1,h2,h3,h4{font-family:var(--font-display);line-height:1.15;letter-spacing:-.02em;color:var(--ink);margin:0 0 .5em}
h1{font-size:clamp(2rem,4.5vw,3.1rem);font-weight:800}
h2{font-size:clamp(1.5rem,3vw,2.1rem);font-weight:750}
h3{font-size:1.25rem;font-weight:700}
p{margin:0 0 1rem}
a{color:var(--red-dark);text-decoration:none}
a:hover{text-decoration:underline}
img{max-width:100%;height:auto}
.container{max-width:var(--maxw);margin:0 auto;padding:0 22px}
.muted{color:var(--muted)}
.center{text-align:center}

/* ---- Header ---- */
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.86);
  backdrop-filter:saturate(150%) blur(10px);border-bottom:1px solid var(--line)}
.site-header .bar{display:flex;align-items:center;justify-content:space-between;height:68px}
.logo{display:flex;align-items:center;gap:11px;font-family:var(--font-display);
  font-weight:800;font-size:1.16rem;color:var(--ink);letter-spacing:-.02em}
.logo:hover{text-decoration:none}
.logo svg{display:block}
.logo .leaf{filter:drop-shadow(0 1px 1px rgba(213,43,30,.25))}
.nav{display:flex;align-items:center;gap:28px}
.nav a{color:var(--ink-soft);font-weight:600;font-size:.97rem}
.nav a:hover{color:var(--red-dark);text-decoration:none}
.nav .btn{color:#fff}
.menu-toggle{display:none;background:none;border:0;cursor:pointer;padding:8px}
.menu-toggle span{display:block;width:22px;height:2px;background:var(--ink);margin:4px 0;transition:.2s}

/* ---- Buttons ---- */
.btn{display:inline-flex;align-items:center;gap:8px;background:var(--red);color:#fff;
  font-weight:650;padding:11px 20px;border-radius:var(--radius-sm);border:0;cursor:pointer;
  font-size:.97rem;transition:transform .12s ease,background .15s ease;font-family:var(--font-sans)}
.btn:hover{background:var(--red-dark);text-decoration:none;transform:translateY(-1px)}
.btn-ghost{background:transparent;color:var(--ink);border:1px solid var(--line-strong)}
.btn-ghost:hover{background:var(--bg-soft);color:var(--ink)}
.btn-sm{padding:7px 13px;font-size:.88rem}

/* ---- Hero ---- */
.hero{position:relative;padding:74px 0 56px;overflow:hidden}
.hero::before{content:"";position:absolute;inset:0;background:
  radial-gradient(900px 380px at 78% -8%,var(--red-tint),transparent 62%),
  linear-gradient(180deg,var(--bg-softer),var(--bg));z-index:-1}
.hero .eyebrow{display:inline-flex;align-items:center;gap:8px;font-weight:650;font-size:.84rem;
  letter-spacing:.04em;text-transform:uppercase;color:var(--red-dark);
  background:var(--red-tint);padding:6px 13px;border-radius:999px;margin-bottom:18px}
.hero p.lede{font-size:1.18rem;color:var(--ink-soft);max-width:640px;margin:0 auto 26px}
.hero .cta-row{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}

/* ---- Calculator widget ---- */
.calc-card{background:var(--bg);border:1px solid var(--line);border-radius:var(--radius);
  box-shadow:var(--shadow);padding:26px}
.calc-shell{max-width:760px;margin:34px auto 0}
.calc-meta{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:18px}
.pill{font-size:.8rem;font-weight:600;color:var(--ink-soft);background:var(--bg-soft);
  border:1px solid var(--line);padding:5px 11px;border-radius:999px}
.course-row{display:grid;grid-template-columns:1fr 130px 110px 40px;gap:10px;margin-bottom:10px;align-items:center}
.course-row.head{font-size:.78rem;text-transform:uppercase;letter-spacing:.04em;color:var(--muted);font-weight:700;margin-bottom:4px}
.course-row input,.course-row select{width:100%;padding:10px 12px;border:1px solid var(--line-strong);
  border-radius:var(--radius-sm);font-size:.95rem;font-family:inherit;color:var(--ink);background:#fff}
.course-row input:focus,.course-row select:focus{outline:none;border-color:var(--red);
  box-shadow:0 0 0 3px var(--red-tint)}
.row-remove{background:none;border:0;color:var(--muted);cursor:pointer;font-size:1.2rem;line-height:1}
.row-remove:hover{color:var(--red)}
.calc-actions{display:flex;justify-content:space-between;align-items:center;margin-top:16px;flex-wrap:wrap;gap:12px}
.add-row{background:none;border:1px dashed var(--line-strong);color:var(--ink-soft);
  padding:9px 15px;border-radius:var(--radius-sm);cursor:pointer;font-weight:600;font-size:.9rem}
.add-row:hover{border-color:var(--red);color:var(--red-dark)}
.result{margin-top:22px;padding:22px;border-radius:var(--radius);background:var(--ink);color:#fff;
  display:flex;align-items:center;justify-content:space-between;gap:16px}
.result .gpa{font-family:var(--font-display);font-size:2.6rem;font-weight:800;line-height:1}
.result .label{font-size:.82rem;text-transform:uppercase;letter-spacing:.05em;opacity:.7}
.result .sub{font-size:.9rem;opacity:.85}

/* ---- Sections ---- */
section{padding:54px 0}
.section-head{max-width:640px;margin:0 auto 36px;text-align:center}
.grid{display:grid;gap:18px}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:22px;transition:.15s}
.card:hover{box-shadow:var(--shadow);transform:translateY(-2px);border-color:var(--line-strong)}
.uni-card{display:flex;flex-direction:column;gap:6px}
.uni-card .uni-name{font-weight:700;font-family:var(--font-display);font-size:1.05rem}
.uni-card .uni-meta{font-size:.85rem;color:var(--muted)}
.uni-card a{margin-top:auto}

/* province filter */
.filterbar{display:flex;gap:8px;flex-wrap:wrap;justify-content:center;margin-bottom:26px}
.filterbar button{border:1px solid var(--line-strong);background:#fff;color:var(--ink-soft);
  padding:7px 14px;border-radius:999px;cursor:pointer;font-weight:600;font-size:.88rem}
.filterbar button.active,.filterbar button:hover{background:var(--ink);color:#fff;border-color:var(--ink)}

/* prose */
.prose{max-width:760px;margin:0 auto}
.prose h2{margin-top:1.8em}
.prose h3{margin-top:1.4em}
.prose table{width:100%;border-collapse:collapse;margin:1.2em 0;font-size:.94rem}
.prose th,.prose td{border:1px solid var(--line);padding:9px 12px;text-align:left}
.prose th{background:var(--bg-soft);font-weight:700}
.prose ul,.prose ol{padding-left:1.3em}
.prose li{margin:.3em 0}

/* FAQ */
.faq details{border:1px solid var(--line);border-radius:var(--radius-sm);padding:4px 18px;margin-bottom:10px;background:#fff}
.faq summary{cursor:pointer;font-weight:650;padding:12px 0;list-style:none}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";float:right;color:var(--red);font-weight:700}
.faq details[open] summary::after{content:"–"}
.faq details p{padding-bottom:14px;margin:0;color:var(--ink-soft)}

/* breadcrumb */
.crumbs{font-size:.85rem;color:var(--muted);padding:18px 0}
.crumbs a{color:var(--muted)}
.crumbs a:hover{color:var(--red-dark)}

/* ---- Footer ---- */
.site-footer{background:var(--bg-soft);border-top:1px solid var(--line);padding:46px 0 28px;margin-top:40px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:28px}
.footer-grid .footer-col-title{font-size:.82rem;text-transform:uppercase;letter-spacing:.05em;color:var(--muted);font-weight:700;margin:0 0 10px}
.footer-grid a{display:block;color:var(--ink-soft);font-size:.92rem;margin-bottom:8px}
.footer-grid a:hover{color:var(--red-dark)}
.footer-bottom{border-top:1px solid var(--line);margin-top:30px;padding-top:18px;
  display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;font-size:.85rem;color:var(--muted)}

/* ---- Responsive ---- */
@media(max-width:860px){
  .grid-3,.grid-4{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr}
  .nav{position:fixed;inset:68px 0 auto 0;background:#fff;flex-direction:column;
    align-items:stretch;gap:0;padding:8px 22px 18px;border-bottom:1px solid var(--line);
    transform:translateY(-130%);transition:.25s;box-shadow:var(--shadow)}
  .nav.open{transform:translateY(0)}
  .nav a{padding:12px 0;border-bottom:1px solid var(--line)}
  .nav .btn{margin-top:10px;justify-content:center}
  .menu-toggle{display:block}
}
@media(max-width:560px){
  .grid-3,.grid-4{grid-template-columns:1fr}
  .course-row{grid-template-columns:1fr 90px 70px 34px}
  .course-row.head{font-size:.68rem}
  .result .gpa{font-size:2.1rem}
}