/* ==========================================================================
   Cavrith Global CSS — design system v1 (2026-10-19)
   Brand: Coursera-blue #0056D2 + ink #1f1f1f
   ========================================================================== */
:root{
  --cvr-blue:#0056d2;
  --cvr-blue-deep:#0043a8;
  --cvr-blue-soft:#e9f0fd;
  --cvr-ink:#1f1f1f;
  --cvr-body:#3f4756;
  --cvr-muted:#6b7484;
  --cvr-faint:#8a93a6;
  --cvr-paper:#f5f7fa;
  --cvr-line:#dfe5ee;
  --cvr-green:#12805c;
  --cvr-green-soft:#e3f6ea;
  --cvr-radius:16px;
}

/* ---------- Header ---------- */
.cvr-header{background:#fff;border-bottom:1px solid var(--cvr-line);position:sticky;top:0;z-index:200}
.cvr-header-in{max-width:1200px;margin:0 auto;padding:0 24px;height:72px;display:flex;align-items:center;gap:28px}
.cvr-brand{display:flex;align-items:center;text-decoration:none;flex:0 0 auto}
.cvr-brand img{height:40px;width:auto;display:block}
.cvr-nav{display:flex;align-items:center;gap:26px;margin-left:8px}
.cvr-nav>a{color:var(--cvr-body);text-decoration:none;font-size:15px;font-weight:500;font-family:-apple-system,BlinkMacSystemFont,"Inter","Segoe UI",Roboto,Helvetica,Arial,sans-serif}
.cvr-nav>a:hover{color:var(--cvr-ink)}
.cvr-drop{position:relative}
.cvr-dropbtn{display:flex;align-items:center;gap:6px;color:var(--cvr-body);text-decoration:none;font-size:15px;font-weight:500;font-family:-apple-system,BlinkMacSystemFont,"Inter","Segoe UI",Roboto,Helvetica,Arial,sans-serif}
.cvr-dropbtn:hover{color:var(--cvr-ink)}
.cvr-caret{width:8px;height:8px;border-right:2px solid currentColor;border-bottom:2px solid currentColor;transform:rotate(45deg) translateY(-2px);display:inline-block}
.cvr-menu{position:absolute;top:calc(100% + 14px);left:-12px;min-width:300px;background:#fff;border:1px solid var(--cvr-line);border-radius:14px;box-shadow:0 16px 44px rgba(31,31,31,.12);padding:8px;opacity:0;visibility:hidden;transform:translateY(8px);transition:all .18s;z-index:210}
.cvr-drop:hover .cvr-menu,.cvr-drop:focus-within .cvr-menu{opacity:1;visibility:visible;transform:translateY(0)}
.cvr-menu a{display:block;padding:11px 14px;border-radius:9px;text-decoration:none}
.cvr-menu a:hover{background:var(--cvr-paper)}
.cvr-menu b{display:block;font-size:15px;color:var(--cvr-ink);font-family:-apple-system,BlinkMacSystemFont,"Inter","Segoe UI",Roboto,Helvetica,Arial,sans-serif}
.cvr-menu small{display:block;font-size:13px;color:var(--cvr-muted);font-family:-apple-system,BlinkMacSystemFont,"Inter","Segoe UI",Roboto,Helvetica,Arial,sans-serif}
.cvr-header-r{margin-left:auto;display:flex;align-items:center;gap:12px}
.cvr-login{border:1.5px solid var(--cvr-blue);color:var(--cvr-blue);background:#fff;border-radius:999px;padding:9px 22px;font-size:13px;font-weight:700;letter-spacing:.6px;text-decoration:none;font-family:-apple-system,BlinkMacSystemFont,"Inter","Segoe UI",Roboto,Helvetica,Arial,sans-serif;white-space:nowrap}
.cvr-login:hover{background:var(--cvr-blue-soft)}
.cvr-cart{position:relative;display:flex;align-items:center;justify-content:center;width:42px;height:42px;border:1.5px solid var(--cvr-line);border-radius:10px;color:var(--cvr-ink);text-decoration:none;background:#fff}
.cvr-cart:hover{border-color:var(--cvr-ink)}
.cvr-cart-n{position:absolute;top:-9px;right:-9px;background:var(--cvr-blue);color:#fff;font-size:11px;min-width:20px;height:20px;border-radius:10px;display:flex;align-items:center;justify-content:center;font-weight:700;font-family:-apple-system,BlinkMacSystemFont,"Inter","Segoe UI",Roboto,Helvetica,Arial,sans-serif}
.cvr-burger{display:none;flex-direction:column;gap:5px;background:none;border:0;cursor:pointer;padding:8px}
.cvr-burger span{width:24px;height:2.5px;background:var(--cvr-ink);border-radius:2px;display:block}

/* ---------- Mobile drawer ---------- */
.cvr-drawer-backdrop{position:fixed;inset:0;background:rgba(15,20,30,.45);opacity:0;visibility:hidden;transition:all .25s;z-index:290}
.cvr-drawer{position:fixed;top:0;right:0;bottom:0;width:min(340px,88vw);background:#fff;z-index:300;transform:translateX(102%);transition:transform .28s ease;display:flex;flex-direction:column;box-shadow:-12px 0 40px rgba(0,0,0,.14)}
body.cvr-drawer-open .cvr-drawer{transform:none}
body.cvr-drawer-open .cvr-drawer-backdrop{opacity:1;visibility:visible}
body.cvr-drawer-open{overflow:hidden}
.cvr-drawer-head{display:flex;align-items:center;justify-content:space-between;padding:16px 20px;border-bottom:1px solid var(--cvr-line)}
.cvr-drawer-head img{height:34px;width:auto}
.cvr-drawer-x{background:none;border:0;font-size:30px;color:var(--cvr-muted);cursor:pointer;line-height:1;padding:4px 8px}
.cvr-drawer-links{padding:12px 12px;overflow-y:auto;flex:1}
.cvr-drawer-links a{display:block;padding:13px 14px;font-size:16px;font-weight:600;color:var(--cvr-ink);text-decoration:none;border-radius:10px;font-family:-apple-system,BlinkMacSystemFont,"Inter","Segoe UI",Roboto,Helvetica,Arial,sans-serif}
.cvr-drawer-links a:hover{background:var(--cvr-paper)}
.cvr-drawer-foot{padding:16px 20px 24px;border-top:1px solid var(--cvr-line);display:grid;gap:10px}

/* ---------- Buttons ---------- */
.cvr-btn{display:inline-block;border:0;cursor:pointer;border-radius:10px;font-size:16px;font-weight:700;padding:15px 32px;text-decoration:none;text-align:center;font-family:-apple-system,BlinkMacSystemFont,"Inter","Segoe UI",Roboto,Helvetica,Arial,sans-serif;transition:background .15s}
.cvr-btn-primary{background:var(--cvr-blue);color:#fff}
.cvr-btn-primary:hover{background:var(--cvr-blue-deep);color:#fff}
.cvr-btn-ghost{background:#fff;color:var(--cvr-ink);border:2px solid var(--cvr-line)}
.cvr-btn-ghost:hover{border-color:var(--cvr-ink)}
.cvr-btn-block{width:100%}

/* ---------- Footer ---------- */
.cvr-footer{background:var(--cvr-ink);color:#c6cde0;padding:64px 0 30px;font-family:-apple-system,BlinkMacSystemFont,"Inter","Segoe UI",Roboto,Helvetica,Arial,sans-serif}
.cvr-foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:36px;max-width:1200px;margin:0 auto 40px;padding:0 24px}
.cvr-foot-brand img{height:44px;width:auto;margin-bottom:16px;filter:brightness(0) invert(1)}
.cvr-foot-brand p{font-size:14px;color:#8f99ab;max-width:270px;line-height:1.6}
.cvr-footer h4{font-size:13px;letter-spacing:1.6px;color:#fff;margin-bottom:16px;font-weight:700}
.cvr-footer .cvr-foot-grid a{color:#aeb8d2;text-decoration:none;font-size:14px;display:block;margin-bottom:12px}
.cvr-footer .cvr-foot-grid a:hover{color:#fff}
.cvr-foot-pay{max-width:1200px;margin:0 auto 26px;padding:0 24px;display:flex;gap:10px;flex-wrap:wrap}
.cvr-paybadge{border:1px solid #3a4358;border-radius:6px;padding:5px 12px;font-size:12px;font-weight:700;color:#aeb8d2;letter-spacing:.4px}
.cvr-legal{border-top:1px solid #2c3549;max-width:1200px;margin:0 auto;padding:24px 24px 0;font-size:13px;color:#7c88a3;line-height:1.7}

/* ---------- Shared page pieces ---------- */
.cvr-eyebrow{font-size:12px;letter-spacing:3px;color:var(--cvr-blue);font-weight:800;margin-bottom:16px;font-family:-apple-system,BlinkMacSystemFont,"Inter","Segoe UI",Roboto,Helvetica,Arial,sans-serif}
.cvr-price s{color:#9aa5b5;font-size:14px}
.cvr-price b{font-size:24px;color:var(--cvr-ink)}
.cvr-off{display:inline-block;background:var(--cvr-blue-soft);color:var(--cvr-blue-deep);font-size:12px;font-weight:800;border-radius:6px;padding:2px 8px;letter-spacing:.5px}
.cvr-card{background:#fff;border:1px solid var(--cvr-line);border-radius:var(--cvr-radius);box-shadow:0 2px 12px rgba(31,31,31,.05)}
.cvr-faq-item{border-bottom:1px solid var(--cvr-line);padding:20px 0}
.cvr-faq-q{width:100%;background:none;border:0;text-align:left;font-size:17px;font-weight:700;color:var(--cvr-ink);cursor:pointer;display:flex;justify-content:space-between;align-items:center;gap:14px;padding:0;font-family:inherit}
.cvr-faq-q .pm{color:var(--cvr-blue);font-size:22px;font-weight:400;flex:0 0 auto;transition:transform .2s}
.cvr-faq-a{display:none;padding-top:10px;font-size:15px;color:var(--cvr-body);line-height:1.65}
.cvr-faq-item.open .cvr-faq-a{display:block}
.cvr-faq-item.open .pm{transform:rotate(45deg)}

/* ---------- Forms (login / register / checkout) ---------- */
.cvr-form{max-width:440px;margin:0 auto}
.cvr-field{margin-bottom:18px}
.cvr-field label{display:block;font-size:14px;font-weight:600;color:var(--cvr-ink);margin-bottom:8px;font-family:-apple-system,BlinkMacSystemFont,"Inter","Segoe UI",Roboto,Helvetica,Arial,sans-serif}
.cvr-field input{width:100%;border:1.5px solid var(--cvr-line);border-radius:10px;padding:13px 16px;font-size:15px;font-family:inherit;color:var(--cvr-ink);background:#fff}
.cvr-field input:focus{outline:none;border-color:var(--cvr-blue);box-shadow:0 0 0 3px var(--cvr-blue-soft)}
.cvr-form-note{font-size:13px;color:var(--cvr-muted);margin-top:14px;line-height:1.6}

/* ---------- Recolor: legacy homepage build (.cvr-home) ---------- */
.cvr-home{--brand:#0056d2 !important;--brand-deep:#0043a8 !important;--brand-soft:#e9f0fd !important;--paper-tint:#e9f0fd !important}

/* ---------- Responsive ---------- */
@media(max-width:900px){
  .cvr-nav{display:none}
  .cvr-burger{display:flex}
  .cvr-login{display:none}
  .cvr-foot-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:560px){
  .cvr-foot-grid{grid-template-columns:1fr}
  .cvr-header-in{padding:0 16px;gap:14px}
}

/* ================= Design v3: IBMI-aligned layout language ================= */
/* Bold sans headlines (IBMI rhythm), brand blue kept */
.cvr-page h1, .cvr-page h2{font-family:-apple-system,BlinkMacSystemFont,"Inter","Segoe UI",Roboto,Helvetica,Arial,sans-serif;font-weight:800;letter-spacing:-.02em;line-height:1.12}
.cvr-page h1{font-size:clamp(38px,5vw,56px)}
.cvr-page h2{font-size:clamp(28px,3.4vw,38px);margin:0 0 12px}
.cvr-page .cvr-sec{padding:72px 0}
.cvr-kicker{font-size:12px;letter-spacing:2.4px;font-weight:700;color:var(--cvr-blue,#0056d2);text-transform:uppercase;margin-bottom:14px}
/* Gradient primary buttons (IBMI-style CTA) */
.cvr-btn-primary{background:linear-gradient(150deg,#3b82e6 0%,#0056d2 48%,#0043a8 100%) !important;border:none !important;color:#fff !important;box-shadow:0 8px 22px rgba(0,86,210,.28)}
.cvr-btn-primary:hover{filter:brightness(1.06);box-shadow:0 10px 26px rgba(0,86,210,.34)}
/* Course feature icon grid (IBMI-style: light-blue icon squares) */
.cvr-feat6{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:20px}
.cvr-feat6 .f{display:flex;gap:12px;align-items:center;background:var(--cvr-blue-soft,#e9f0fd);border-radius:12px;padding:12px 14px;font-size:13.5px;font-weight:600;color:#1f1f1f;line-height:1.35}
.cvr-feat6 .f i{flex:0 0 38px;height:38px;border-radius:10px;background:#fff;color:var(--cvr-blue,#0056d2);font-style:normal;display:flex;align-items:center;justify-content:center;font-size:17px;font-weight:800;box-shadow:0 2px 8px rgba(0,86,210,.12)}
/* White bundle summary card (IBMI-style) */
.cvr-bundle{background:#fff;border:1px solid var(--cvr-line,#dfe5ee);border-radius:20px;padding:40px;color:var(--cvr-ink,#1f1f1f);margin-top:8px;box-shadow:0 14px 44px rgba(31,31,31,.1);position:relative;overflow:hidden}
.cvr-bundle:before{content:"";position:absolute;top:0;left:0;right:0;height:4px;background:linear-gradient(90deg,#2f7de0,#0043a8)}
.cvr-bundle h2{color:var(--cvr-ink,#1f1f1f)}
.cvr-bundle ul{list-style:none;margin:22px 0 26px;display:grid;gap:13px;padding:0}
.cvr-bundle li{display:flex;gap:12px;align-items:flex-start;font-size:16px;color:#3f4756}
.cvr-bundle li i{flex:0 0 25px;height:25px;border-radius:50%;background:var(--cvr-blue-soft,#e9f0fd);color:var(--cvr-blue-deep,#0043a8);font-style:normal;display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:800}
.cvr-bundle li b{color:var(--cvr-ink,#1f1f1f)}
.cvr-total{display:flex;align-items:center;gap:16px;margin:4px 0 26px;flex-wrap:wrap}
.cvr-total .lbl{color:#6b7484;font-size:15px}
.cvr-total .was{color:#9aa5b5;text-decoration:line-through;font-size:22px}
.cvr-total .now{font-size:48px;font-weight:800;color:var(--cvr-ink,#1f1f1f);letter-spacing:-1px}
.cvr-total .off{background:#e9f7ee;color:#1d7a3a;font-size:14px;font-weight:800;border-radius:8px;padding:5px 12px;letter-spacing:.5px}
.cvr-secure{font-size:13px;color:#8f99ab;margin-top:14px}
/* Editorial numbered rows (replaces card grid for how-it-works) */
.cvr-rows{margin-top:8px;border-top:1px solid var(--cvr-line,#dfe5ee)}
.cvr-row{display:grid;grid-template-columns:72px 1fr 1.6fr;gap:28px;padding:30px 0;border-bottom:1px solid var(--cvr-line,#dfe5ee);align-items:baseline}
.cvr-row .rn{font-family:-apple-system,BlinkMacSystemFont,"Inter","Segoe UI",Roboto,Helvetica,Arial,sans-serif;font-weight:800;font-size:40px;color:var(--cvr-blue,#0056d2);line-height:1}
.cvr-row h3{font-size:20px;margin:0 0 6px;font-weight:700}
.cvr-row p{margin:0;font-size:15px;color:#4b5568}
/* Quick-add button for cards */
.cvr-qadd{display:inline-flex;align-items:center;gap:8px;border:1.5px solid var(--cvr-blue,#0056d2);color:var(--cvr-blue,#0056d2);background:#fff;border-radius:10px;padding:9px 18px;font-size:14px;font-weight:700;cursor:pointer;text-decoration:none;transition:background .15s,color .15s}
.cvr-qadd:hover{background:var(--cvr-blue,#0056d2);color:#fff}
.cvr-cardfoot{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:14px;padding-top:14px;border-top:1px solid var(--cvr-line,#dfe5ee)}
/* Sticky bottom buy bar */
.cvr-stickbar{position:fixed;left:0;right:0;bottom:0;z-index:200;background:rgba(255,255,255,.97);backdrop-filter:blur(8px);border-top:1px solid var(--cvr-line,#dfe5ee);box-shadow:0 -8px 30px rgba(31,31,31,.08);transform:translateY(110%);transition:transform .25s ease}
.cvr-stickbar.show{transform:none}
.cvr-stickbar .in{max-width:1140px;margin:0 auto;padding:12px 24px;display:flex;align-items:center;gap:18px}
.cvr-stickbar .t{flex:1;min-width:0}
.cvr-stickbar .t b{display:block;font-size:15px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.cvr-stickbar .t span{font-size:13px;color:#6b7484}
.cvr-stickbar .pr{white-space:nowrap}
.cvr-stickbar .pr s{color:#9aa5b5;font-size:14px;margin-right:10px}
.cvr-stickbar .pr b{font-size:22px;margin-right:4px}
/* Verify demo box */
.cvr-vdemo{background:#0f1b2d;border-radius:18px;padding:34px;color:#e8edf7;display:grid;grid-template-columns:1fr 1fr;gap:30px;align-items:center}
.cvr-vdemo h3{color:#fff;font-size:22px;margin:0 0 10px;font-weight:800}
.cvr-vdemo p{font-size:14px;color:#aeb8d2;margin:0 0 18px}
.cvr-vdemo .box{background:#fff;border-radius:12px;padding:20px;color:#1f1f1f}
.cvr-vdemo .box input{width:100%;border:1.5px solid #dfe5ee;border-radius:8px;padding:11px 14px;font-size:14px;font-family:ui-monospace,monospace;margin-bottom:10px}
.cvr-vdemo .ok{display:none;margin-top:12px;background:#e9f7ee;border:1px solid #bfe6cd;border-radius:10px;padding:12px 16px;font-size:14px}
.cvr-vdemo .ok.show{display:block}
/* "What your money buys" honest list */
.cvr-worth{border-top:1px solid var(--cvr-line,#dfe5ee);margin-top:10px}
.cvr-worth .wrow{display:grid;grid-template-columns:1fr auto;gap:20px;padding:20px 0;border-bottom:1px solid var(--cvr-line,#dfe5ee);align-items:center}
.cvr-worth .wrow b{font-size:16px;display:block;margin-bottom:4px}
.cvr-worth .wrow p{margin:0;font-size:14px;color:#5b6472}
.cvr-worth .tag{font-size:12px;font-weight:800;letter-spacing:1.2px;color:#1d7a3a;background:#e9f7ee;border-radius:999px;padding:6px 14px;white-space:nowrap}
/* Split editorial */
.cvr-split{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
@media(max-width:860px){
  .cvr-row{grid-template-columns:48px 1fr;gap:16px}
  .cvr-row p{grid-column:2}
  .cvr-vdemo{grid-template-columns:1fr}
  .cvr-split{grid-template-columns:1fr;gap:28px}
  .cvr-stickbar .t span{display:none}
}
/* Checkout step wizard (IBMI-style: 1 CART > 2 CHECKOUT > 3 COMPLETE) */
.cvr-steps3{display:flex;align-items:center;justify-content:center;gap:14px;margin:6px 0 34px;font-size:13px;font-weight:800;letter-spacing:1.6px;color:#9aa5b5}
.cvr-steps3 .on{color:var(--cvr-blue,#0056d2)}
.cvr-steps3 .sep{color:#c6cde0;font-size:16px}
/* Full-width photo hero with dark frosted card (IBMI test-page hero) */
.cvr-hero-photo{position:relative;border-radius:20px;overflow:hidden;margin:26px 0 0;min-height:420px;display:flex;align-items:flex-end}
.cvr-hero-photo img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.cvr-hero-photo .shade{position:absolute;inset:0;background:linear-gradient(180deg,rgba(10,20,35,0) 30%,rgba(10,20,35,.72) 100%)}
.cvr-hero-photo .card{position:relative;margin:24px;background:rgba(13,27,46,.82);backdrop-filter:blur(10px);border-radius:16px;padding:34px 36px;color:#fff;max-width:640px}
.cvr-hero-photo .card .crumb{font-size:13px;letter-spacing:1px;color:#9db8dd;margin-bottom:10px}
.cvr-hero-photo .card .crumb a{color:#9db8dd;text-decoration:none}
.cvr-hero-photo .card h1{color:#fff !important;font-size:40px !important;margin:0 0 10px !important}
.cvr-hero-photo .card .sub{color:#c6d2e8;font-size:17px;margin:0 0 14px}
.cvr-hero-photo .card .meta{font-size:13.5px;color:#9db8dd}
/* CEFR accordion */
.cvr-cefr{border:1px solid var(--cvr-line,#dfe5ee);border-radius:14px;overflow:hidden;margin-top:20px}
.cvr-cefr .cvr-faq-a{padding:0 22px}
/* 4-step timeline */
.cvr-timeline{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-top:24px}
.cvr-timeline .t{background:#fff;border:1px solid var(--cvr-line,#dfe5ee);border-radius:14px;padding:22px 20px}
.cvr-timeline .t .n{font-size:13px;font-weight:800;letter-spacing:1.4px;color:var(--cvr-blue,#0056d2);margin-bottom:8px}
.cvr-timeline .t b{display:block;font-size:15.5px;margin-bottom:6px}
.cvr-timeline .t span{font-size:13.5px;color:#5b6472}
@media(max-width:860px){.cvr-timeline{grid-template-columns:1fr 1fr}.cvr-hero-photo .card{margin:16px;padding:24px}}