/* ============================================================
   QUICK MATHS — SHARED DESIGN SYSTEM
   ============================================================ */

:root{
  --forest:#143019;
  --forest-deep:#0c1d10;
  --cream:#f1f2f2;
  --cream-warm:#efe9d9;
  --gold:#ffde40;
  --rust:#b8421e;
  --as-orange:#f97316;
  --a-teal:#10b981;
  --ibdp-yellow:#facc15;
  --ibdp-pink:#ec4899;
  --line:rgba(20,48,25,0.12);
  --line-strong:rgba(20,48,25,0.22);
  --display:'Fraunces',Georgia,serif;
  --display-it:'Instrument Serif',Georgia,serif;
  --sans:'Inter Tight',sans-serif;
  --mono:'JetBrains Mono',monospace;
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}

body{
  font-family:var(--sans);
  background:var(--cream);
  color:var(--forest);
  font-size:16px;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}

a{color:inherit;text-decoration:none}
button{font-family:var(--sans);cursor:pointer}

/* ============= NAV ============= */
nav{
  position:sticky;top:0;z-index:100;
  background:rgba(20,48,25,0.97);
  backdrop-filter:blur(8px);
  border-bottom:1px solid rgba(241,242,242,0.1);
  padding:14px 28px;
  display:flex;align-items:center;justify-content:space-between;
}
.nav-brand{
  font-family:var(--display);
  font-size:20px;
  font-weight:500;
  color:var(--cream);
}
.nav-brand em{font-family:var(--display-it);font-style:italic;color:var(--gold);margin-left:3px}
.nav-links{display:flex;gap:24px;align-items:center}
.nav-links a{color:rgba(241,242,242,0.75);font-size:13px;font-weight:400}
.nav-links a:hover{color:var(--cream)}
.nav-cta{
  background:var(--gold);color:var(--forest)!important;
  padding:8px 18px;border-radius:999px;
  font-size:11px;font-weight:500;
  text-transform:uppercase;letter-spacing:0.05em;
}
.nav-cta:hover{transform:translateY(-1px);transition:transform 0.15s}

/* ============= COMMON SECTIONS ============= */
section{padding:80px 28px}
.container{max-width:1080px;margin:0 auto}
.container-narrow{max-width:780px;margin:0 auto}

.eyebrow{
  font-family:var(--mono);
  font-size:11px;font-weight:500;
  letter-spacing:2px;
  text-transform:uppercase;
  margin-bottom:16px;
}

h1,h2,h3,h4{font-family:var(--display);font-weight:500;letter-spacing:-0.01em}
h1{font-size:60px;line-height:1.0}
h2{font-size:42px;line-height:1.1}
h3{font-size:22px;line-height:1.3}
h4{font-size:17px;line-height:1.4}

em.it,h1 em,h2 em,h3 em{font-family:var(--display-it);font-style:italic}

/* ============= HERO ============= */
.hero{
  background:var(--forest);
  color:var(--cream);
  padding:80px 28px 100px;
  position:relative;
  overflow:hidden;
}
.hero-shapes{position:absolute;inset:0;pointer-events:none}
.hero-shapes svg{position:absolute}
.hero-inner{position:relative;z-index:10;max-width:780px;margin:0 auto}
.hero-tag{
  display:inline-block;
  font-family:var(--mono);
  font-size:11px;letter-spacing:2px;
  color:var(--gold);
  padding:6px 14px;
  border:1px solid rgba(255,222,64,0.4);
  border-radius:999px;
  margin-bottom:24px;
  text-transform:uppercase;
}
.hero h1 em{color:var(--gold)}
.hero-sub{
  font-size:18px;line-height:1.55;
  color:rgba(241,242,242,0.85);
  margin:24px 0 32px;
  max-width:560px;
}
.hero-cta-row{display:flex;gap:12px;flex-wrap:wrap;margin-bottom:32px}
.hero-trust{display:flex;flex-wrap:wrap;gap:22px;font-size:13px;color:rgba(241,242,242,0.7)}
.trust-item{display:flex;align-items:center;gap:8px}
.trust-dot{display:inline-block;width:6px;height:6px;background:var(--gold);border-radius:50%}

/* ============= BUTTONS ============= */
.btn{
  display:inline-block;
  padding:14px 26px;
  border-radius:999px;
  font-size:13px;font-weight:500;
  text-transform:uppercase;
  letter-spacing:0.05em;
  border:none;
  transition:transform 0.15s;
}
.btn:hover{transform:translateY(-1px)}
.btn-primary{background:var(--gold);color:var(--forest)}
.btn-secondary{background:transparent;color:var(--cream);border:1px solid rgba(241,242,242,0.35)}
.btn-dark{background:var(--forest);color:var(--cream)}
.btn-dark:hover{background:var(--forest-deep)}
.btn-block{display:block;width:100%;text-align:center}

/* ============= PROGRAMME CARDS ============= */
.programmes{background:var(--cream-warm)}
.programmes-grid{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:20px;
  margin-top:40px;
}
.prog-card{
  background:var(--cream);
  border-radius:12px;
  padding:28px 26px;
  transition:transform 0.2s;
  display:flex;flex-direction:column;
}
.prog-card:hover{transform:translateY(-3px)}
.prog-card-tag{
  display:inline-block;
  font-family:var(--mono);
  font-size:10px;letter-spacing:1.5px;
  padding:4px 10px;
  border-radius:4px;
  margin-bottom:12px;
  font-weight:500;
  text-transform:uppercase;
}
.tag-as{background:rgba(249,115,22,0.15);color:#9a3412}
.tag-a{background:rgba(16,185,129,0.15);color:#065f46}
.tag-ibdp1{background:rgba(250,204,21,0.2);color:#854d0e}
.tag-ibdp2{background:rgba(236,72,153,0.15);color:#9d174d}

.prog-card h3{margin-bottom:6px}
.prog-card-sub{font-size:13px;color:rgba(20,48,25,0.65);margin-bottom:18px}
.prog-card-products{
  list-style:none;
  font-size:13px;
  flex:1;
  margin-bottom:18px;
}
.prog-card-products li{
  padding:8px 0;
  border-bottom:1px solid var(--line);
  display:flex;justify-content:space-between;
  align-items:center;
  gap:12px;
}
.prog-card-products li:last-child{border-bottom:none}
.prod-name{font-weight:400}
.prod-price{
  font-family:var(--display);
  font-weight:500;
  font-size:14px;
  white-space:nowrap;
}
.prog-card-cta{
  background:var(--forest);
  color:var(--cream);
  padding:11px 20px;
  border-radius:999px;
  font-size:12px;font-weight:500;
  text-transform:uppercase;letter-spacing:0.05em;
  text-align:center;
}

/* ============= COURSE DETAIL PAGE ============= */
.detail-hero{
  background:var(--forest);
  color:var(--cream);
  padding:60px 28px 70px;
  position:relative;
  overflow:hidden;
}
.detail-hero-tag{
  display:inline-block;
  font-family:var(--mono);
  font-size:11px;letter-spacing:2px;
  padding:5px 12px;
  border-radius:4px;
  margin-bottom:18px;
  text-transform:uppercase;
}
.detail-hero h1{font-size:48px;margin-bottom:18px}
.detail-hero-sub{
  font-size:17px;line-height:1.5;
  color:rgba(241,242,242,0.8);
  max-width:620px;
  margin-bottom:24px;
}
.detail-info-pills{display:flex;gap:10px;flex-wrap:wrap}
.pill{
  font-family:var(--mono);
  font-size:11px;letter-spacing:1px;
  padding:5px 12px;
  background:rgba(241,242,242,0.1);
  border:1px solid rgba(241,242,242,0.2);
  border-radius:999px;
}

.coverage-section{background:var(--cream)}
.paper-block{
  background:var(--cream-warm);
  border-radius:12px;
  padding:32px 30px;
  margin-bottom:18px;
}
.paper-block-header{
  display:flex;
  justify-content:space-between;
  align-items:baseline;
  flex-wrap:wrap;
  gap:12px;
  margin-bottom:16px;
}
.paper-block h3{margin-bottom:4px}
.paper-block-meta{
  font-family:var(--mono);
  font-size:12px;
  color:rgba(20,48,25,0.6);
  letter-spacing:1px;
}
.paper-block-desc{
  font-size:14px;
  color:rgba(20,48,25,0.7);
  margin-bottom:18px;
  line-height:1.55;
}
.chapter-table{
  width:100%;
  font-size:13px;
  border-collapse:collapse;
}
.chapter-table th{
  text-align:left;
  font-family:var(--mono);
  font-size:10px;
  font-weight:500;
  letter-spacing:1.5px;
  color:rgba(20,48,25,0.55);
  padding:8px 0;
  text-transform:uppercase;
  border-bottom:1px solid var(--line);
}
.chapter-table td{
  padding:10px 0;
  border-bottom:1px solid var(--line);
  vertical-align:top;
}
.chapter-table tr:last-child td{border-bottom:none;font-weight:500}
.chapter-num{
  width:30px;
  font-family:var(--mono);
  font-size:11px;
  color:rgba(20,48,25,0.5);
}
.chapter-hours{
  text-align:right;
  white-space:nowrap;
  font-family:var(--mono);
  font-size:12px;
  width:80px;
}

.pricing-section{background:var(--cream-warm)}
.pricing-card{
  background:var(--cream);
  border-radius:12px;
  padding:32px 30px;
  text-align:center;
  margin:0 auto;
  max-width:480px;
}
.pricing-card h3{margin-bottom:4px}
.pricing-card-sub{
  font-size:14px;
  color:rgba(20,48,25,0.65);
  margin-bottom:24px;
}
.pricing-card-price{
  font-family:var(--display);
  font-size:56px;
  font-weight:500;
  line-height:1;
  margin-bottom:6px;
}
.pricing-card-meta{
  font-family:var(--mono);
  font-size:12px;
  color:rgba(20,48,25,0.55);
  letter-spacing:1px;
  margin-bottom:28px;
}
.pricing-includes{
  text-align:left;
  background:var(--cream-warm);
  border-radius:8px;
  padding:18px 22px;
  margin-bottom:24px;
}
.pricing-includes p{
  font-family:var(--mono);
  font-size:10px;
  font-weight:500;
  letter-spacing:1.5px;
  color:rgba(20,48,25,0.55);
  text-transform:uppercase;
  margin-bottom:10px;
}
.pricing-includes ul{list-style:none}
.pricing-includes li{
  padding:5px 0 5px 22px;
  font-size:13px;
  position:relative;
  line-height:1.5;
}
.pricing-includes li:before{
  content:"✓";
  position:absolute;left:2px;top:5px;
  color:var(--rust);
  font-weight:600;
}

/* ============= FOOTER ============= */
footer{
  background:var(--forest);
  color:rgba(241,242,242,0.7);
  padding:48px 28px 36px;
  text-align:center;
  font-size:13px;
}
footer .footer-brand{
  font-family:var(--display);
  font-size:22px;
  color:var(--cream);
  margin-bottom:8px;
}
footer .footer-brand em{font-family:var(--display-it);color:var(--gold);font-style:italic;margin-left:3px}
footer p{margin-bottom:6px;line-height:1.55}
footer a{color:var(--gold)}
footer a:hover{text-decoration:underline}
.footer-links{margin-top:18px;display:flex;justify-content:center;gap:18px;flex-wrap:wrap;font-size:12px}

/* ============= RESPONSIVE ============= */
@media (max-width:760px){
  h1{font-size:42px}
  h2{font-size:32px}
  .hero{padding:60px 22px 70px}
  .detail-hero h1{font-size:34px}
  .programmes-grid{grid-template-columns:1fr}
  section{padding:60px 22px}
  .nav-links a:not(.nav-cta){display:none}
  .hero-cta-row{flex-direction:column;align-items:stretch}
  .hero-cta-row .btn{text-align:center}
}

@media (max-width:480px){
  h1{font-size:34px}
  h2{font-size:26px}
  .pricing-card-price{font-size:44px}
}

/* ============= GALLERY ============= */
@media (max-width:760px){
  section .container > div[style*="grid-template-columns:repeat(3,1fr)"]{
    grid-template-columns:1fr 1fr !important;
    gap:10px !important;
  }
}
@media (max-width:480px){
  section .container > div[style*="grid-template-columns:repeat(3,1fr)"]{
    grid-template-columns:1fr !important;
  }
}