/* =====================================================================
   EXAMPUNCH — "Selection Letter" dark design system
   Deep navy-black field · gold-foil brand (matches your PDF branding)
   · vivid per-exam accents for wayfinding.
   NOTE: variable & class NAMES kept from v1 for full compatibility —
   some names are now semantic opposites (--paper is dark, --ink is light).
   ===================================================================== */
@import url('https://fonts.googleapis.com/css2?family=Fraunces:opsz,wght@9..144,500;9..144,600;9..144,700;9..144,800&family=Schibsted+Grotesk:wght@400;500;600;700&display=swap');

:root{
  /* surfaces */
  --paper:#07070f;        /* page background (deep navy-black) */
  --paper-2:#0e0e1c;      /* elevated background */
  --white:#13131f;        /* card surface (name kept for compatibility) */
  --line:#23233a;         /* hairline borders */
  /* text */
  --ink:#efe9d8;          /* primary text (warm ivory) */
  --ink-soft:#c7c3b3;     /* secondary text */
  --muted:#8e93a8;        /* tertiary text */
  /* brand: navy & gold (same as your printed PDFs) */
  --brand:#e6c36e;        /* light gold — links, highlights */
  --brand-2:#c19b41;      /* deep gold */
  --navy:#0a143c;
  --punch:#e9b542;        /* CTA gold (the "punch" is now gold foil) */
  --punch-soft:rgba(233,181,66,.13);
  --gold:#c19b41;
  --green:#34d399;
  /* vivid section accents (match the quiz generator's exam groups) */
  --bank:#6366f1;
  --ssc:#f59e0b;
  --railway:#22c55e;
  --psc:#a855f7;
  --other:#06b6d4;
  /* depth */
  --shadow:0 18px 50px -16px rgba(0,0,0,.65);
  --shadow-sm:0 8px 24px -12px rgba(0,0,0,.6);
  --glow-gold:0 10px 32px -10px rgba(233,181,66,.45);
  --radius:18px;
  --maxw:1160px;
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:'Schibsted Grotesk',system-ui,sans-serif;
  background:var(--paper);
  color:var(--ink);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
h1,h2,h3,h4,.font-display{font-family:'Fraunces',Georgia,serif;line-height:1.12;letter-spacing:-.015em;font-weight:700}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 22px}
:focus-visible{outline:2px solid var(--brand);outline-offset:3px;border-radius:4px}

/* film grain — gold-dusted, very subtle */
body::before{
  content:"";position:fixed;inset:0;z-index:9999;pointer-events:none;opacity:.05;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='3'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* ===== Header ===== */
.nav{
  position:sticky;top:0;z-index:100;
  background:rgba(7,7,15,.78);
  backdrop-filter:blur(14px);
  border-bottom:1px solid rgba(193,155,65,.22);
}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:70px}
.logo{display:flex;align-items:center;gap:11px;font-family:'Fraunces',serif;font-weight:800;font-size:1.3rem}
.logo-mark{
  width:40px;height:40px;border-radius:11px;display:grid;place-items:center;
  background:linear-gradient(140deg,#e6c36e,#b8923c);color:#0b0b15;position:relative;flex-shrink:0;
  box-shadow:var(--glow-gold);transform:rotate(-4deg);
}
.logo-mark span{font-size:1.35rem;font-weight:800;font-family:'Fraunces',serif}
.logo-mark::after{content:"";position:absolute;right:-5px;top:-5px;width:14px;height:14px;border-radius:50%;background:var(--paper);border:2.5px solid var(--brand)}
.logo b{background:linear-gradient(135deg,#efe2b8,#e6c36e,#c19b41);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;color:var(--brand)}
.logo i{color:var(--brand);font-style:normal}
.nav-links{display:flex;align-items:center;gap:6px}
.nav-links a{
  padding:9px 14px;border-radius:10px;font-weight:500;font-size:.95rem;color:var(--ink-soft);
  transition:.18s;
}
.nav-links a:hover{background:rgba(233,181,66,.1);color:var(--brand)}
.nav-links a.active{background:var(--punch-soft);color:var(--brand);box-shadow:inset 0 0 0 1px rgba(233,181,66,.35)}
.nav-cta{
  background:linear-gradient(135deg,#e6c36e,#c19b41);color:#0b0b15 !important;font-weight:700;
  box-shadow:var(--glow-gold);
}
.nav-cta:hover{filter:brightness(1.08);color:#0b0b15 !important;transform:translateY(-1px)}
.burger{display:none;flex-direction:column;gap:5px;cursor:pointer;padding:8px}
.burger span{width:24px;height:2.5px;background:var(--ink);border-radius:2px;transition:.2s}

/* ===== Buttons ===== */
.btn{
  display:inline-flex;align-items:center;gap:8px;padding:13px 22px;border-radius:12px;
  font-family:'Schibsted Grotesk',sans-serif;font-weight:700;font-size:.96rem;cursor:pointer;border:none;transition:.2s;
}
.btn-primary{background:linear-gradient(135deg,#e6c36e,#c19b41);color:#0b0b15;box-shadow:var(--glow-gold)}
.btn-primary:hover{transform:translateY(-2px);filter:brightness(1.07)}
.btn-dark{background:#1c1c2e;color:var(--ink);border:1px solid var(--line)}
.btn-dark:hover{transform:translateY(-2px);border-color:rgba(233,181,66,.4)}
.btn-ghost{background:transparent;border:1.5px solid rgba(233,181,66,.55);color:var(--brand)}
.btn-ghost:hover{background:var(--punch-soft)}

/* ===== Hero ===== */
.hero{position:relative;padding:78px 0 64px;overflow:hidden;border-bottom:1px solid rgba(193,155,65,.18)}
.hero-bg{position:absolute;inset:0;z-index:0;
  background:
    radial-gradient(ellipse 60% 50% at 80% 8%, rgba(99,102,241,.16), transparent 60%),
    radial-gradient(ellipse 50% 45% at 8% 92%, rgba(193,155,65,.14), transparent 55%),
    linear-gradient(180deg, rgba(10,20,60,.35), transparent 50%);
}
.hero-grid{position:absolute;inset:0;z-index:0;opacity:.35;
  background-image:linear-gradient(rgba(193,155,65,.12) 1px,transparent 1px),linear-gradient(90deg,rgba(193,155,65,.12) 1px,transparent 1px);
  background-size:46px 46px;mask-image:radial-gradient(circle at 50% 30%,#000,transparent 75%);
}
.hero-inner{position:relative;z-index:1;display:grid;grid-template-columns:1.15fr .85fr;gap:40px;align-items:center}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;background:rgba(233,181,66,.1);color:var(--brand);
  border:1px solid rgba(233,181,66,.3);
  padding:7px 15px;border-radius:50px;font-size:.78rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase;
  margin-bottom:22px;
}
.eyebrow .dot{width:7px;height:7px;border-radius:50%;background:var(--brand);animation:pulse 1.8s infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.3}}
.hero h1{font-size:clamp(2.6rem,5.6vw,4.4rem);font-weight:800;margin-bottom:20px;color:#f6f1e2}
.hero h1 .hl{
  position:relative;white-space:nowrap;
  background:linear-gradient(135deg,#f0e4bd,#e6c36e 45%,#c19b41);
  -webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;color:var(--brand);
}
.hero h1 .hl::after{content:"";position:absolute;left:0;bottom:4px;width:100%;height:2px;background:linear-gradient(90deg,transparent,#c19b41,transparent)}
.hero p.lead{font-size:1.16rem;color:var(--ink-soft);max-width:520px;margin-bottom:30px}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:34px}
.hero-stats{display:flex;gap:30px}
.hero-stats .s b{font-family:'Fraunces',serif;font-size:1.7rem;font-weight:800;color:var(--brand);display:block}
.hero-stats .s span{font-size:.86rem;color:var(--muted)}

/* hero floating cards — dark glass with accent glows */
.hero-visual{position:relative;height:420px}
.float-card{
  position:absolute;background:rgba(19,19,31,.85);border:1px solid var(--line);border-radius:16px;
  padding:18px;box-shadow:var(--shadow);width:240px;backdrop-filter:blur(8px);
}
.float-card .fc-top{display:flex;align-items:center;gap:10px;margin-bottom:10px}
.fc-ico{width:38px;height:38px;border-radius:10px;display:grid;place-items:center;font-size:1.1rem;color:#fff}
.fc-1{top:8px;left:0;animation:floaty 6s ease-in-out infinite;border-top:2px solid var(--bank)}
.fc-2{top:128px;right:0;animation:floaty 6s ease-in-out infinite .8s;z-index:3;border-top:2px solid var(--punch)}
.fc-3{bottom:0;left:30px;animation:floaty 6s ease-in-out infinite 1.6s;border-top:2px solid var(--ssc)}
@keyframes floaty{0%,100%{transform:translateY(0)}50%{transform:translateY(-14px)}}
.fc-title{font-family:'Fraunces',serif;font-weight:700;font-size:.98rem;color:var(--ink)}
.fc-sub{font-size:.8rem;color:var(--muted)}
.fc-bar{height:7px;border-radius:4px;background:#22223a;overflow:hidden;margin-top:4px}
.fc-bar i{display:block;height:100%;border-radius:4px}

/* ===== Section shell ===== */
.section{padding:78px 0}
.sec-head{max-width:640px;margin-bottom:44px}
.sec-tag{font-family:'Schibsted Grotesk';font-weight:700;font-size:.78rem;letter-spacing:.22em;text-transform:uppercase;color:var(--brand);margin-bottom:14px;display:flex;align-items:center;gap:12px}
.sec-tag::before{content:"";width:30px;height:1px;background:linear-gradient(90deg,var(--brand-2),transparent)}
.sec-head h2{font-size:clamp(1.9rem,3.6vw,2.8rem);font-weight:800;margin-bottom:14px;color:#f3eddc}
.sec-head p{color:var(--ink-soft);font-size:1.06rem}

/* ===== Exam cards ===== */
.exam-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.exam-card{
  position:relative;background:var(--white);border:1px solid var(--line);border-radius:var(--radius);
  padding:26px;overflow:hidden;transition:.25s;display:flex;flex-direction:column;min-height:230px;
}
.exam-card:hover{transform:translateY(-5px);box-shadow:var(--shadow);border-color:rgba(233,181,66,.35)}
.exam-card .ec-accent{position:absolute;top:0;left:0;width:100%;height:3px;opacity:.9}
.exam-card .ec-ico{width:52px;height:52px;border-radius:13px;display:grid;place-items:center;font-size:1.5rem;color:#fff;margin-bottom:16px}
.exam-card h3{font-size:1.4rem;margin-bottom:8px;color:#f3eddc}
.exam-card p{font-size:.93rem;color:var(--muted);margin-bottom:18px;flex-grow:1}
.exam-card .ec-tags{display:flex;gap:7px;flex-wrap:wrap;margin-bottom:18px}
.ec-chip{font-size:.74rem;font-weight:600;padding:4px 10px;border-radius:50px;background:#1d1d30;color:var(--ink-soft);border:1px solid var(--line)}
.ec-link{font-family:'Schibsted Grotesk';font-weight:700;font-size:.92rem;display:inline-flex;align-items:center;gap:7px;color:var(--brand)}
.ec-link .arr{transition:.2s}
.exam-card:hover .ec-link .arr{transform:translateX(5px)}

/* ===== Feature pillars ===== */
.pillars{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.pillar{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:30px 26px;transition:.2s}
.pillar:hover{box-shadow:var(--shadow-sm);border-color:rgba(233,181,66,.3)}
.pillar .p-ico{width:54px;height:54px;border-radius:14px;display:grid;place-items:center;font-size:1.5rem;margin-bottom:18px}
.pillar h3{font-size:1.3rem;margin-bottom:10px;color:#f3eddc}
.pillar p{color:var(--ink-soft);font-size:.96rem}

/* ===== Gold-foil band — the "selection letter" signature ===== */
.band{
  background:linear-gradient(135deg,#efe0ae,#e2c068 38%,#c19b41 78%,#a98432);
  color:#1a1408;border-radius:24px;padding:54px 44px;position:relative;overflow:hidden;
  box-shadow:0 24px 60px -18px rgba(193,155,65,.35);
}
.band::before{
  content:"";position:absolute;inset:10px;border:1px solid rgba(26,20,8,.25);border-radius:16px;pointer-events:none;
}
.band-grid{position:relative;z-index:1;display:grid;grid-template-columns:repeat(4,1fr);gap:30px;text-align:center}
.band-grid .b b{font-family:'Fraunces',serif;font-size:2.6rem;font-weight:800;display:block;color:#1a1408}
.band-grid .b span{color:#4a3c16;font-size:.94rem;font-weight:600}
.band-grid .b .accent{color:#0a143c}

/* ===== Footer ===== */
.footer{background:#05050c;color:#a9aac2;padding:60px 0 28px;border-top:1px solid rgba(193,155,65,.2)}
.foot-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:36px;padding-bottom:40px;border-bottom:1px solid #1c1c2e}
.footer .logo{color:var(--ink);margin-bottom:16px}
.foot-col h4{color:var(--brand);font-size:.96rem;margin-bottom:16px;font-family:'Schibsted Grotesk';letter-spacing:.06em;text-transform:uppercase;font-weight:700}
.foot-col a{display:block;padding:5px 0;font-size:.92rem;color:#9899b5;transition:.15s}
.foot-col a:hover{color:var(--brand);padding-left:4px}
.foot-about{font-size:.94rem;color:#9899b5;max-width:300px;margin-bottom:18px}
.foot-bottom{display:flex;justify-content:space-between;align-items:center;padding-top:24px;font-size:.86rem;color:#6e6f8a;flex-wrap:wrap;gap:10px}

/* ===== Page hero (interior) ===== */
.page-hero{position:relative;padding:56px 0 42px;overflow:hidden;border-bottom:1px solid rgba(193,155,65,.18);background:linear-gradient(180deg,rgba(10,20,60,.3),transparent)}
.crumb{font-size:.88rem;color:var(--muted);margin-bottom:18px}
.crumb a:hover{color:var(--brand)}
.crumb b{color:var(--ink-soft)}
.page-hero h1{font-size:clamp(2.2rem,4.5vw,3.4rem);font-weight:800;margin-bottom:14px;color:#f6f1e2}
.page-hero p{font-size:1.08rem;color:var(--ink-soft);max-width:600px}
.page-hero .ph-badge{display:inline-flex;align-items:center;gap:9px;padding:7px 16px;border-radius:50px;color:#fff;font-weight:700;font-size:.85rem;margin-bottom:20px;box-shadow:var(--shadow-sm)}

/* ===== Tabs ===== */
.tabs{display:flex;gap:10px;border-bottom:1px solid var(--line);margin:38px 0 34px;flex-wrap:wrap}
.tab{
  padding:13px 22px;font-family:'Schibsted Grotesk';font-weight:700;font-size:1rem;color:var(--muted);cursor:pointer;
  border:none;background:none;position:relative;transition:.18s;display:flex;align-items:center;gap:9px;
}
.tab:hover{color:var(--ink)}
.tab.active{color:var(--brand)}
.tab.active::after{content:"";position:absolute;left:0;bottom:-1px;width:100%;height:2px;background:linear-gradient(90deg,#e6c36e,#c19b41);border-radius:3px}
.tab .cnt{font-size:.74rem;background:#1d1d30;padding:2px 8px;border-radius:50px;border:1px solid var(--line)}
.panel{display:none;animation:fade .35s ease}
.panel.active{display:block}
@keyframes fade{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}

/* ===== Resource cards ===== */
.res-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.res-card{background:var(--white);border:1px solid var(--line);border-radius:16px;padding:22px;transition:.2s;display:flex;flex-direction:column}
.res-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-sm);border-color:rgba(233,181,66,.32)}
.res-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px}
.res-type{display:inline-flex;align-items:center;gap:7px;font-size:.74rem;font-weight:700;padding:5px 11px;border-radius:7px;text-transform:uppercase;letter-spacing:.04em}
.t-pdf{background:rgba(248,113,113,.14);color:#f8a3a3}
.t-video{background:rgba(99,102,241,.16);color:#a5a8ff}
.t-live{background:rgba(245,158,11,.15);color:#fbbf24}
.res-meta{font-size:.78rem;color:var(--muted)}
.res-card h4{font-size:1.1rem;margin-bottom:7px;font-weight:700;color:#f0ead9}
.res-card .rc-desc{font-size:.88rem;color:var(--muted);margin-bottom:16px;flex-grow:1}
.res-foot{display:flex;align-items:center;justify-content:space-between;margin-top:auto}
.res-foot .price{font-family:'Fraunces',serif;font-weight:800;font-size:1.08rem;color:var(--brand)}
.res-foot .price.free{color:var(--green)}
.mini-btn{padding:9px 16px;border-radius:9px;font-family:'Schibsted Grotesk';font-weight:700;font-size:.85rem;cursor:pointer;border:none;transition:.18s;display:inline-flex;align-items:center;gap:6px}
.mini-dark{background:#21213a;color:var(--ink);border:1px solid var(--line)}.mini-dark:hover{transform:translateY(-2px);border-color:rgba(233,181,66,.4)}
.mini-punch{background:linear-gradient(135deg,#e6c36e,#c19b41);color:#0b0b15}.mini-punch:hover{transform:translateY(-2px);filter:brightness(1.07)}
.live-badge{display:inline-flex;align-items:center;gap:6px;font-size:.74rem;font-weight:700;color:#f87171}
.live-badge .ld{width:7px;height:7px;border-radius:50%;background:#ef4444;animation:pulse 1.4s infinite}

/* ===== Quiz cards ===== */
.quiz-wrap{max-width:760px;margin:0 auto}
.quiz-list{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.quiz-card{background:var(--white);border:1px solid var(--line);border-radius:16px;padding:22px;display:flex;flex-direction:column;transition:.2s}
.quiz-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-sm);border-color:rgba(233,181,66,.32)}
.qz-ico{width:46px;height:46px;border-radius:12px;display:grid;place-items:center;font-size:1.3rem;margin-bottom:14px;color:#fff}
.quiz-card h4{font-size:1.12rem;margin-bottom:6px;color:#f0ead9}
.quiz-card .qz-sub{font-size:.85rem;color:var(--muted);margin-bottom:16px;flex-grow:1}
.qz-meta{display:flex;gap:14px;font-size:.8rem;color:var(--muted);margin-bottom:16px}
.qz-meta span{display:flex;align-items:center;gap:5px}
/* badge for teacher-generated quizzes */
.qz-new{display:inline-flex;align-items:center;gap:6px;font-size:.7rem;font-weight:800;letter-spacing:.08em;text-transform:uppercase;color:#0b0b15;background:linear-gradient(135deg,#e6c36e,#c19b41);padding:3px 10px;border-radius:50px;margin-bottom:12px;align-self:flex-start}

/* ===== Quiz runner ===== */
.runner{background:var(--white);border:1px solid var(--line);border-radius:20px;padding:0;overflow:hidden;box-shadow:var(--shadow)}
.runner-head{padding:24px 28px;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;background:#101020}
.runner-head h3{font-size:1.25rem;color:#f3eddc}
.runner-prog{height:8px;background:#1d1d32;border-radius:5px;overflow:hidden;margin-top:10px;min-width:180px}
.runner-prog i{display:block;height:100%;background:linear-gradient(90deg,#e6c36e,#c19b41);border-radius:5px;transition:.4s width}
.q-count{font-size:.85rem;color:var(--brand);font-weight:700;white-space:nowrap;margin-left:18px}
.runner-body{padding:30px 28px}
.q-text{font-size:1.22rem;font-family:'Fraunces',serif;font-weight:600;margin-bottom:24px;line-height:1.45;color:#f0ead9}
.q-num{color:var(--brand);font-weight:800;margin-right:8px}
.options{display:flex;flex-direction:column;gap:12px}
.opt{
  display:flex;align-items:center;gap:14px;padding:16px 18px;border:1.5px solid var(--line);border-radius:13px;
  cursor:pointer;transition:.16s;background:#17172a;font-size:1rem;text-align:left;font-family:inherit;color:var(--ink);
}
.opt:hover{border-color:rgba(233,181,66,.5);background:#1b1b30}
.opt .opt-key{
  width:30px;height:30px;border-radius:8px;background:#23233c;display:grid;place-items:center;
  font-family:'Schibsted Grotesk';font-weight:700;font-size:.9rem;flex-shrink:0;transition:.16s;color:var(--ink-soft);
}
.opt.selected{border-color:var(--brand);background:rgba(233,181,66,.1)}
.opt.selected .opt-key{background:linear-gradient(135deg,#e6c36e,#c19b41);color:#0b0b15}
.opt.correct{border-color:var(--green);background:rgba(52,211,153,.1)}
.opt.correct .opt-key{background:var(--green);color:#06281c}
.opt.wrong{border-color:#ef4444;background:rgba(239,68,68,.1)}
.opt.wrong .opt-key{background:#ef4444;color:#fff}
.opt:disabled{cursor:default}
.opt .opt-mark{margin-left:auto;font-weight:700;font-size:1.1rem}
.q-explain{margin-top:18px;padding:16px 18px;border-radius:12px;background:#101020;font-size:.92rem;border-left:3px solid var(--brand-2);display:none;color:var(--ink-soft)}
.q-explain.show{display:block}
.q-explain b{font-family:'Fraunces',serif;color:var(--brand)}
.runner-foot{padding:20px 28px;border-top:1px solid var(--line);display:flex;justify-content:space-between;align-items:center;background:#101020;flex-wrap:wrap;gap:12px}
.runner-foot .hint{font-size:.85rem;color:var(--muted)}

/* ===== Result ===== */
.result{text-align:center;padding:44px 28px}
.result .score-ring{
  width:160px;height:160px;border-radius:50%;margin:0 auto 24px;display:grid;place-items:center;position:relative;
  background:conic-gradient(#e6c36e var(--pct,0%),#1d1d32 0);
  box-shadow:var(--glow-gold);
}
.result .score-ring .inner{width:128px;height:128px;border-radius:50%;background:var(--white);display:grid;place-items:center;flex-direction:column}
.result .score-ring .inner b{font-family:'Fraunces',serif;font-size:2.4rem;font-weight:800;line-height:1;color:var(--brand)}
.result .score-ring .inner span{font-size:.8rem;color:var(--muted)}
.result h3{font-size:1.7rem;margin-bottom:8px;color:#f3eddc}
.result p.rmsg{color:var(--ink-soft);margin-bottom:8px;font-size:1.05rem}
.result .breakdown{display:flex;justify-content:center;gap:30px;margin:24px 0 28px}
.result .bd b{font-family:'Fraunces',serif;font-size:1.6rem;display:block;color:var(--ink)}
.result .bd span{font-size:.82rem;color:var(--muted)}
.result .bd .g{color:var(--green)}.result .bd .r{color:#f87171}
.result-actions{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}

.empty-hint{background:rgba(233,181,66,.07);border:1px dashed rgba(233,181,66,.4);border-radius:14px;padding:18px 22px;font-size:.92rem;color:var(--ink-soft);margin-bottom:26px;display:flex;gap:12px;align-items:flex-start}
.empty-hint b{color:var(--brand)}

/* ===== Reveal on scroll ===== */
.reveal{opacity:0;transform:translateY(26px);transition:.7s cubic-bezier(.2,.8,.2,1)}
.reveal.in{opacity:1;transform:none}

/* ===== Checkout / Enrollment Modal ===== */
.modal-overlay{
  position:fixed;inset:0;z-index:1000;background:rgba(3,3,8,.7);backdrop-filter:blur(6px);
  display:none;align-items:flex-start;justify-content:center;padding:40px 18px;overflow-y:auto;
}
.modal-overlay.open{display:flex;animation:fade .25s ease}
.modal-box{
  background:#11111f;border:1px solid rgba(193,155,65,.3);border-radius:20px;width:100%;max-width:440px;
  padding:30px 28px;position:relative;box-shadow:var(--shadow);margin:auto;animation:popin .3s cubic-bezier(.2,.9,.3,1.2);
}
@keyframes popin{from{opacity:0;transform:translateY(20px) scale(.97)}to{opacity:1;transform:none}}
.modal-close{
  position:absolute;top:14px;right:16px;background:#1d1d30;border:1px solid var(--line);width:34px;height:34px;border-radius:9px;
  font-size:1.4rem;line-height:1;cursor:pointer;color:var(--ink-soft);transition:.15s;
}
.modal-close:hover{background:var(--brand-2);color:#0b0b15}
.modal-tag{
  display:inline-block;background:linear-gradient(135deg,#e6c36e,#c19b41);color:#0b0b15;padding:5px 13px;border-radius:50px;
  font-family:'Schibsted Grotesk';font-weight:800;font-size:.72rem;letter-spacing:.06em;text-transform:uppercase;margin-bottom:14px;
}
.modal-title{font-size:1.4rem;font-weight:800;margin-bottom:12px;line-height:1.25;color:#f3eddc}
.modal-price-row{display:flex;align-items:baseline;gap:10px;margin-bottom:22px;flex-wrap:wrap}
.modal-price{font-family:'Fraunces',serif;font-weight:800;font-size:1.8rem;color:var(--brand)}
.modal-price.free{color:var(--green)}
.modal-price-note{font-size:.82rem;color:var(--muted)}
.modal-fields{display:flex;flex-direction:column;gap:14px;margin-bottom:8px}
.modal-fields label{display:flex;flex-direction:column;gap:6px;font-size:.84rem;font-weight:600;color:var(--ink-soft)}
.modal-fields input{
  font-family:inherit;font-size:.98rem;padding:12px 14px;border:1.5px solid var(--line);border-radius:11px;
  background:#17172a;color:var(--ink);transition:.15s;
}
.modal-fields input::placeholder{color:#5a5d75}
.modal-fields input:focus{outline:none;border-color:var(--brand-2);box-shadow:0 0 0 3px rgba(233,181,66,.15)}
.modal-err{color:#f87171;font-size:.85rem;font-weight:600;min-height:18px;margin:8px 0 0}
.pay-divider{display:flex;align-items:center;gap:12px;margin:20px 0 16px;color:var(--muted);font-size:.8rem;font-weight:600}
.pay-divider::before,.pay-divider::after{content:"";flex:1;height:1px;background:var(--line)}
.pay-options{display:flex;flex-direction:column;gap:14px}
.pay-btn{width:100%;justify-content:center}
.pay-upi{text-align:center;font-size:.9rem;color:var(--ink-soft)}
.pay-upi b{font-family:'Fraunces',serif;color:var(--brand)}
.pay-upi-note{display:block;font-size:.74rem;color:var(--muted);margin-top:2px}
.co-check{
  width:68px;height:68px;border-radius:50%;background:var(--green);color:#06281c;display:grid;place-items:center;
  font-size:2rem;margin:6px auto 18px;animation:popin .4s;
}
.co-done-msg{color:var(--ink-soft);margin-bottom:18px;font-size:1rem}
.co-summary{
  background:#0e0e1c;border:1px solid var(--line);border-radius:12px;padding:14px 16px;
  font-size:.9rem;text-align:left;margin-bottom:22px;line-height:1.7;color:var(--ink-soft);
}
.co-summary b{font-family:'Fraunces',serif;color:var(--ink)}

/* ===== Images ===== */
.hero-photo{
  position:absolute;inset:0;z-index:0;background-size:cover;background-position:center;
  opacity:.16;filter:saturate(.75) brightness(.8);
  mask-image:linear-gradient(180deg,#000 30%,transparent 95%);
}
.ec-thumb{
  width:100%;height:128px;border-radius:12px;object-fit:cover;margin-bottom:16px;
  background:#1a1a2e;display:block;filter:saturate(.85) brightness(.88);
}
.exam-card .ec-ico{position:absolute;top:96px;left:26px;box-shadow:var(--shadow-sm);border:3px solid var(--white)}
.exam-card.has-thumb{padding-top:0}
.exam-card.has-thumb .ec-thumb{border-radius:0;margin:-26px -26px 32px;width:calc(100% + 52px);height:140px}
.rc-thumb{
  width:100%;height:140px;object-fit:cover;border-radius:12px;margin-bottom:14px;background:#1a1a2e;display:block;
  filter:saturate(.85) brightness(.88);
}
.about-band{display:grid;grid-template-columns:.8fr 1.2fr;gap:40px;align-items:center}
.about-photo{
  width:100%;max-width:340px;aspect-ratio:1;object-fit:cover;border-radius:22px;box-shadow:var(--shadow);
  border:1px solid rgba(193,155,65,.4);background:#1a1a2e;filter:saturate(.9);
}
.about-photo-wrap{position:relative}
.about-photo-wrap::before{content:"";position:absolute;inset:-14px -14px 14px 14px;border:1px solid rgba(193,155,65,.5);border-radius:24px;z-index:-1}
.about-copy h2{font-size:clamp(1.8rem,3.4vw,2.6rem);margin-bottom:16px;color:#f3eddc}
.about-copy p{color:var(--ink-soft);margin-bottom:14px}
.about-tags{display:flex;gap:10px;flex-wrap:wrap;margin-top:18px}
.about-tag{background:#16162a;border:1px solid var(--line);border-radius:50px;padding:8px 16px;font-size:.86rem;font-weight:600;display:flex;align-items:center;gap:7px;color:var(--ink-soft)}
[data-img-holder].img-failed .ec-thumb,
[data-img-holder].img-failed .rc-thumb{display:none}

/* KaTeX on dark */
.katex{color:var(--ink)}

/* ===== Reduced motion ===== */
@media(prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.01ms !important;animation-iteration-count:1 !important;transition-duration:.01ms !important}
  html{scroll-behavior:auto}
}

/* ===== Responsive ===== */
@media(max-width:980px){
  .hero-inner{grid-template-columns:1fr}
  .hero-visual{display:none}
  .exam-grid,.pillars,.res-grid{grid-template-columns:repeat(2,1fr)}
  .band-grid{grid-template-columns:repeat(2,1fr);gap:30px 20px}
  .foot-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:680px){
  .nav-links{
    position:fixed;top:70px;left:0;right:0;background:#0a0a16;flex-direction:column;align-items:stretch;
    padding:14px 22px;gap:4px;border-bottom:1px solid rgba(193,155,65,.25);transform:translateY(-150%);transition:.3s;box-shadow:var(--shadow)
  }
  .nav-links.open{transform:none}
  .nav-links a{padding:13px 14px}
  .burger{display:flex}
  .exam-grid,.pillars,.res-grid,.quiz-list,.foot-grid{grid-template-columns:1fr}
  .hero-stats{gap:20px}
  .band{padding:40px 24px}
  .about-band{grid-template-columns:1fr;text-align:center}
  .about-photo-wrap{display:flex;justify-content:center}
  .about-tags{justify-content:center}
}
@media(max-width:900px) and (min-width:681px){
  .about-band{grid-template-columns:1fr;text-align:center}
  .about-photo-wrap{display:flex;justify-content:center}
  .about-tags{justify-content:center}
}

/* ===== Interactive Concept Lessons ===== */
.lessons-strip{margin-bottom:34px;padding-bottom:30px;border-bottom:1px solid var(--line)}
.lessons-head{margin-bottom:18px}
.lessons-head h3{font-size:1.35rem;color:#f3eddc;margin-bottom:6px}
.lessons-head p{font-size:.92rem;color:var(--muted)}
.lessons-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.lesson-card{background:var(--white);border:1px solid var(--line);border-radius:16px;padding:22px;display:flex;flex-direction:column;transition:.2s;position:relative;overflow:hidden}
.lesson-card::before{content:"";position:absolute;top:0;left:0;width:100%;height:3px;background:linear-gradient(90deg,#e6c36e,#c19b41)}
.lesson-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-sm);border-color:rgba(233,181,66,.32)}
.lc-top{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:12px}
.lc-subject{font-size:.72rem;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--brand)}
.lc-title{font-size:1.15rem;color:#f0ead9;margin-bottom:8px;font-family:'Fraunces',serif}
.lc-intro{font-size:.88rem;color:var(--muted);margin-bottom:16px;flex-grow:1;line-height:1.6}
.lc-actions{display:flex;gap:9px;flex-wrap:wrap}

/* shared lesson body styling (used in modal) */
.l-section{border:1px solid var(--line);border-radius:12px;margin-bottom:12px;overflow:hidden}
.l-sec-head{width:100%;text-align:left;padding:14px 16px;background:#15151f;cursor:pointer;display:flex;align-items:center;justify-content:space-between;font-weight:700;font-size:1rem;color:var(--brand);border:none;font-family:'Schibsted Grotesk',sans-serif}
.l-sec-head:hover{background:#1a1a26}
.l-sec-head .chev{transition:transform .25s;color:var(--muted)}
.l-section.open .l-sec-head .chev{transform:rotate(90deg)}
.l-sec-body{display:none;padding:15px 17px;font-size:.96rem;line-height:1.85;color:var(--ink-soft)}
.l-section.open .l-sec-body{display:block}
.l-sec-body p{margin:0 0 10px}
.lf-formula{background:#0d0d18;border:1px solid rgba(193,155,65,.25);border-left:3px solid var(--brand-2);border-radius:8px;padding:12px 14px;margin:10px 0;color:var(--ink)}
.l-example{background:#0e0e1c;border:1px solid var(--line);border-radius:10px;padding:13px 15px;margin:10px 0}
.lex-q{font-weight:600;color:#f0ead9;margin-bottom:9px}
.lex-reveal{font-size:.78rem;color:var(--brand);cursor:pointer;border:1px solid rgba(193,155,65,.3);border-radius:7px;padding:6px 12px;background:rgba(193,155,65,.08);font-family:inherit}
.lex-sol{display:none;margin-top:11px;padding-top:11px;border-top:1px dashed var(--line);color:var(--ink-soft);font-size:.92rem;line-height:1.75}
.l-example.shown .lex-sol{display:block}.l-example.shown .lex-reveal{display:none}
.lex-ans{color:var(--green)}
.l-key{display:flex;gap:9px;align-items:flex-start;margin-bottom:8px;font-size:.95rem;color:var(--ink-soft)}
.l-key::before{content:"✦";color:var(--brand);flex-shrink:0}
.l-miss{background:rgba(248,113,113,.07);border:1px solid rgba(248,113,113,.25);border-left:3px solid #f87171;border-radius:8px;padding:9px 13px;margin-bottom:8px;font-size:.9rem;color:#fca5a5}

/* lesson reader modal */
.lesson-overlay{position:fixed;inset:0;z-index:1100;background:rgba(3,3,8,.74);backdrop-filter:blur(6px);display:none;align-items:flex-start;justify-content:center;padding:40px 16px;overflow-y:auto}
.lesson-overlay.open{display:flex;animation:fade .25s ease}
.lesson-modal{background:#0e0e1c;border:1px solid rgba(193,155,65,.3);border-radius:20px;width:100%;max-width:720px;position:relative;box-shadow:var(--shadow);margin:auto;animation:popin .3s cubic-bezier(.2,.9,.3,1.2)}
.lesson-modal-close{position:absolute;top:14px;right:16px;z-index:2;background:#1d1d30;border:1px solid var(--line);width:36px;height:36px;border-radius:9px;font-size:1.5rem;line-height:1;cursor:pointer;color:var(--ink-soft)}
.lesson-modal-close:hover{background:var(--brand-2);color:#0b0b15}
.lesson-modal .lesson-head{background:linear-gradient(135deg,#0a143c,#0d1840);padding:24px 26px;border-bottom:1px solid rgba(193,155,65,.25);border-radius:20px 20px 0 0}
.lesson-modal .lh-exam{font-size:.72rem;letter-spacing:.16em;text-transform:uppercase;color:var(--brand)}
.lesson-modal .lesson-head h3{font-size:1.6rem;color:#f3eddc;margin:8px 0 6px}
.lesson-modal .lesson-head p{font-size:.96rem;color:var(--ink-soft)}
.lesson-modal .lesson-body{padding:22px 26px}
.lesson-modal-foot{padding:18px 26px;border-top:1px solid var(--line);display:flex;gap:11px;flex-wrap:wrap;background:#0b0b16;border-radius:0 0 20px 20px}

@media(max-width:680px){
  .lessons-grid{grid-template-columns:1fr}
  .lesson-modal .lesson-head h3{font-size:1.35rem}
}