/* ============================================================
   CAQA EDU - site.css (unique to this site). Motif: open book, chapters, bookmark ribbons, stepped learning.
   Light-first per fleet mandate. Palette per _caqanewbrands-plan/SPECS.md:
     ink   #12264F   headings (white bg, 13.9:1)
     deep  #0B1F4E   footer / contained dark frames only
     em    #193E99   primary accent (9.6:1 white-on-accent)
     teal  #00BBB4   decorative teal (large graphics only)
     tealink #007D78 text-grade teal (5.0:1 on white)
     body  #33406A   body copy (~10:1)   muted #535E85 (~6.5:1)
   ============================================================ */
:root{
  --ink:#12264F;--deep:#0B1F4E;--em:#193E99;--em2:#2C55C4;--teal:#00BBB4;--tealink:#007D78;
  --paper:#FFFFFF;--mist:#F3F6FC;--line:#DEE5F2;--body:#33406A;--muted:#535E85;
  --grad:linear-gradient(110deg,#193E99,#2C55C4);
  --gradteal:linear-gradient(110deg,#193E99 20%,#00BBB4 140%);
  --shadow:0 12px 30px rgba(11,31,78,.10);--shadow-lg:0 30px 64px rgba(11,31,78,.16);
  --max:1200px;
  --font-d:'Source Serif 4',Georgia,'Times New Roman',serif;
  --font-b:'Public Sans',Arial,sans-serif;
}
*{box-sizing:border-box}
[hidden]{display:none!important}
[id]{scroll-margin-top:96px}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}
}
body{margin:0;font-family:var(--font-b);color:var(--body);background:var(--paper);line-height:1.7;font-size:1.02rem}
img{max-width:100%}
h1,h2,h3,h4{font-family:var(--font-d);color:var(--ink);line-height:1.18;margin:0 0 .5em}
h1{font-size:clamp(2.2rem,4.6vw,3.4rem);font-weight:800}
h2{font-size:clamp(1.7rem,3vw,2.4rem);font-weight:700}
h3{font-size:1.22rem;font-weight:700}
p{margin:0 0 1em}
a{color:var(--em)}
.container{max-width:var(--max);margin:0 auto;padding:0 24px}
.skip-link{position:absolute;left:-9999px;top:0;background:var(--ink);color:#fff;padding:10px 18px;z-index:2000;border-radius:0 0 8px 0}
.skip-link:focus{left:0}
#scrollbar{position:fixed;top:0;left:0;height:3px;background:var(--teal);z-index:1200;width:0}
::selection{background:#193E99;color:#fff}
:focus-visible{outline:3px solid var(--em);outline-offset:2px}

/* ------- legacy topbar + header (hidden by mega-menu, kept for no-JS) ------- */
.topbar{background:var(--deep);color:#D4DCF2;font-size:.86rem;padding:7px 0}
.topbar .container{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap}
.topbar a{color:#fff;text-decoration:none}
.header{position:sticky;top:0;z-index:900;background:rgba(255,255,255,.96);border-bottom:1px solid var(--line)}
.header.scrolled{box-shadow:var(--shadow)}
.header .container{display:flex;align-items:center;gap:26px;height:74px}
.brand{display:flex;align-items:center}
.nav{display:flex;gap:24px;margin-left:auto}
.nav a{color:var(--ink);text-decoration:none;font-weight:600;font-size:.98rem;padding:6px 2px;border-bottom:2px solid transparent}
.nav a:hover,.nav a.on{border-bottom-color:var(--em);color:var(--em)}
.nav-toggle{display:none;background:none;border:0;cursor:pointer;padding:8px;margin-left:8px}
.nav-toggle span{display:block;width:22px;height:2px;background:var(--ink);margin:5px 0;border-radius:2px}
@media(max-width:960px){
  .nav{display:none;position:absolute;top:74px;left:0;right:0;background:#fff;flex-direction:column;gap:0;padding:12px 24px 18px;border-bottom:1px solid var(--line);box-shadow:var(--shadow)}
  .nav.open{display:flex}
  .nav a{padding:12px 2px;border-bottom:1px solid var(--line)}
  .nav-toggle{display:block;margin-left:auto}
  .header .container>.btn{display:none}
}

/* ------- buttons ------- */
.btn{position:relative;overflow:hidden;display:inline-block;padding:14px 30px;border-radius:999px;font-family:var(--font-b);font-weight:700;font-size:.98rem;text-decoration:none;cursor:pointer;border:0;transition:transform .25s,box-shadow .25s,background .25s,color .25s}
.btn:hover{transform:translateY(-2px);box-shadow:var(--shadow)}
.btn-em{background:var(--em);color:#fff}
.btn-em:hover{background:var(--em2)}
.btn-line{background:transparent;color:var(--em);border:2px solid var(--em)}
.btn-line:hover{background:var(--em);color:#fff}
.btn-white{background:#fff;color:var(--em)}
.ripple{position:absolute;border-radius:50%;background:rgba(255,255,255,.45);transform:scale(0);animation:cqrip .6s linear;pointer-events:none}
@keyframes cqrip{to{transform:scale(2.4);opacity:0}}

/* ------- sections ------- */
.section{padding:96px 0}
.section.tint{background:var(--mist)}
.eyebrow{display:inline-block;font-weight:700;letter-spacing:.14em;text-transform:uppercase;font-size:.8rem;color:var(--tealink);margin:0 0 14px}
.sec-head{max-width:760px;margin:0 0 44px}
.sec-head.center{margin:0 auto 44px;text-align:center}
.lead{font-size:1.14rem;color:var(--body)}
.mt-2{margin-top:14px}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:28px}
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
@media(max-width:960px){.grid3{grid-template-columns:1fr 1fr}}
@media(max-width:640px){.grid2,.grid3{grid-template-columns:1fr}.section{padding:64px 0}}

/* ------- reveal (PRM-gated: transitions collapse under the media query above) ------- */
.reveal{opacity:0;transform:translateY(22px);transition:opacity .7s ease,transform .7s ease}
.reveal.in{opacity:1;transform:none}
.reveal.d1{transition-delay:.08s}.reveal.d2{transition-delay:.16s}.reveal.d3{transition-delay:.24s}.reveal.d4{transition-delay:.32s}
@media (prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none}}

/* ------- brand-scene media band (contained dark frame; light-first compliant) ------- */
.scene{padding:96px 0}
.scene-frame{position:relative;overflow:hidden;isolation:isolate;width:min(1280px,92%);margin:0 auto;height:clamp(380px,52vh,560px);border-radius:22px;display:flex;align-items:center;box-shadow:var(--shadow-lg);background:var(--deep)}
.scene-frame video{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;display:block}
.scene-scrim{position:absolute;inset:0;background:linear-gradient(100deg,rgba(5,12,32,.86) 0%,rgba(5,12,32,.6) 40%,rgba(5,12,32,.12) 72%,transparent 100%)}
.scene-copy{position:relative;z-index:2;max-width:560px;padding:48px 56px;color:#fff}
.scene-kicker{font-weight:700;letter-spacing:.14em;text-transform:uppercase;font-size:.8rem;color:#7FE7E2;margin:0 0 12px}
.scene-copy h2{color:#fff}
.scene-copy ul{margin:0 0 22px;padding-left:1.2em}
.scene-copy li{margin:.4em 0;color:#E4EAF9}
@media(max-width:700px){.scene-copy{padding:32px 26px}.scene-frame{height:auto;min-height:420px}}

/* ------- CTA band ------- */
.cta-band{padding:96px 0}
.cta-card{background:var(--grad);border-radius:24px;padding:64px 56px;text-align:center;color:#fff;box-shadow:var(--shadow-lg)}
.cta-card h2{color:#fff}
.cta-card p{color:#DCE4FA;max-width:640px;margin:0 auto 26px}
@media(max-width:640px){.cta-card{padding:44px 24px}}

/* ------- contact / forms ------- */
.form-card{background:#fff;border:1px solid var(--line);border-radius:18px;padding:36px;box-shadow:var(--shadow)}
.form-grid2{display:grid;grid-template-columns:1fr 1fr;gap:0 20px}
@media(max-width:640px){.form-grid2{grid-template-columns:1fr}}
.field{margin:0 0 18px}
.field label{display:block;font-weight:700;color:var(--ink);font-size:.92rem;margin:0 0 6px}
.field input,.field textarea{width:100%;border:1px solid var(--line);border-radius:10px;padding:13px 15px;font-family:inherit;font-size:1rem;color:var(--ink);background:var(--mist)}
.field input:focus,.field textarea:focus{outline:2px solid var(--em);background:#fff}
.consent-row{display:flex;gap:10px;align-items:flex-start;font-size:.9rem;margin:0 0 20px}
.consent-row input{margin-top:4px}
.info-card{background:#fff;border:1px solid var(--line);border-radius:16px;padding:26px;box-shadow:var(--shadow)}
.info-card b{color:var(--ink)}
.info-card a{color:var(--em);font-weight:600}

/* ------- 404 ------- */
.nf404{min-height:52vh;display:flex;align-items:center;text-align:center;padding:110px 24px}
.nf404 .inner{max-width:560px;margin:0 auto}
.nf404 .code{font-family:var(--font-d);font-weight:800;font-size:clamp(4rem,10vw,7rem);color:var(--em);line-height:1;margin:0 0 10px}

/* ------- newsletter band (cqft, fleet chassis recoloured to this brand) ------- */
.cqft{position:relative;background:var(--mist);padding:56px 0 0;overflow:hidden}
.cqft-card{position:relative;z-index:2;max-width:1180px;margin:0 auto;background:var(--em);border-radius:24px;padding:52px 56px;display:flex;align-items:center;justify-content:space-between;gap:14px 36px;flex-wrap:wrap}
.cqft-copy h2{color:#fff;font-size:2.35rem;font-weight:700;margin:0 0 6px;line-height:1.15}
.cqft-copy p{color:#D8E1FA;font-size:1.1rem;margin:0}
.cqft-card form{display:flex;flex:1 1 420px;max-width:620px;background:#fff;border-radius:999px;padding:5px;align-items:center;gap:0;margin:0;flex-wrap:nowrap;border:0;box-shadow:none;min-width:0}
.cqft-card form input[type=email]{flex:1 1 auto;border:0;background:transparent;padding:14px 24px;font-family:inherit;font-size:1rem;font-weight:500;color:#12264F;min-width:0;outline-offset:2px;border-radius:999px;box-shadow:none}
.cqft-card form input[type=email]::placeholder{color:#4E5A80}
.cqft-card form button{flex:none;background:var(--deep);color:#fff;border:0;border-radius:999px;padding:16px 34px;font-family:inherit;font-size:.95rem;font-weight:600;text-transform:uppercase;letter-spacing:.04em;cursor:pointer;transition:filter .3s;white-space:nowrap}
.cqft-card form button:hover{filter:brightness(1.45)}
.cqft-card form button:focus-visible{outline:2px solid #12264F;outline-offset:2px}
.cqft-card .cqft-consent{flex-basis:100%;color:rgba(255,255,255,.93);font-size:.85rem;margin:0}
.cqft-card .cqft-consent a{color:#fff;text-decoration:underline}
.cqft-curve{position:relative;z-index:1;margin:34px 0 0;line-height:0}
.cqft-curve svg{width:100%;height:140px;display:block}
.cqft+.cqf3{margin-top:0}
@media (max-width:760px){.cqft-card{padding:36px 24px;border-radius:18px;margin-inline:16px}.cqft-copy h2{font-size:1.7rem}.cqft-card form{flex:1 1 100%}.cqft-card form button{padding:14px 22px}.cqft-curve svg{height:90px}}

/* ------- footer (cqf3, fleet chassis - brand dark #0B1F4E) ------- */
.cqf3{background:var(--deep);color:#E6EAF6;font-size:.95rem;line-height:1.7;margin-top:0}
.cqf3 a{color:#AFBEE8;text-decoration:none}
.cqf3 a:hover{color:#fff;text-decoration:underline}
.cqf3 h4{color:#BFCBEE;font-size:.9rem;letter-spacing:.07em;text-transform:uppercase;margin:0 0 14px;font-weight:700}
.cqf3-wrap{max-width:1200px;margin:0 auto;padding:64px 24px 26px}
.cqf3-cols{display:grid;grid-template-columns:1.4fr 1fr 1.1fr 1.2fr;gap:42px}
.cqf3 ul{list-style:none;margin:0;padding:0}
.cqf3 li{margin:0 0 9px}
.cqf3-logo{max-width:220px;height:auto;display:block;margin:0 0 16px}
.cqf3-blurb{margin:0 0 16px}
.cqf3-socials{display:flex;gap:10px;margin:0 0 22px}
.cqf3-socials a{width:36px;height:36px;border-radius:50%;display:inline-flex;align-items:center;justify-content:center;background:rgba(255,255,255,.09)}
.cqf3-socials a:hover{background:rgba(255,255,255,.18)}
.cqf3-socials svg{width:17px;height:17px;fill:#AFBEE8}
.cqf3-socials a:hover svg{fill:#fff}
.cqf3-info b{display:block;color:#BFCBEE;font-weight:600}
.cqf3-info li{margin:0 0 13px}
.cqf3-bottom{border-top:1px solid rgba(255,255,255,.13);margin-top:30px;padding-top:20px;font-size:.85rem;color:#C5CFF0;text-align:center}
@media (max-width:1020px){.cqf3-cols{grid-template-columns:1fr 1fr;gap:34px}}
@media (max-width:600px){.cqf3-cols{grid-template-columns:1fr}.cqf3-wrap{padding:48px 18px 22px}}

/* ------- scroll buttons ------- */
.cqscroll{position:fixed;right:18px;bottom:18px;display:flex;flex-direction:column;gap:8px;z-index:950}
.cqscroll a{width:40px;height:40px;border-radius:50%;background:var(--deep);color:#fff;display:inline-flex;align-items:center;justify-content:center;cursor:pointer;box-shadow:var(--shadow);opacity:.85}
.cqscroll a:hover{opacity:1;background:var(--em)}
.cqscroll svg{width:16px;height:16px}

/* ================= CAQA EDU unique layer - book & step motifs ================= */
.ed-hero{position:relative;overflow:hidden;background:linear-gradient(180deg,#F6F8FD,#fff 75%);padding:110px 0 90px}
.ed-hero .container{display:grid;grid-template-columns:1.05fr .95fr;gap:60px;align-items:center}
.ed-hero .hero-cta{display:flex;gap:14px;flex-wrap:wrap;margin:26px 0 18px}
.ed-hero .hero-note{font-size:.82rem;letter-spacing:.12em;color:var(--muted);font-weight:700}
.ed-rule{display:flex;align-items:center;gap:12px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;font-size:.8rem;color:var(--tealink)}
.ed-rule::before{content:"";width:34px;height:3px;background:var(--teal);border-radius:2px}
h1 em,h2 em{font-style:italic;color:var(--em)}

/* open book illustration */
.ed-book{display:block;width:100%;max-width:470px;margin:0 auto}
.ed-book svg{width:100%;height:auto;display:block}
@media(max-width:960px){.ed-hero .container{grid-template-columns:1fr}.ed-book{max-width:360px}}

/* stacked "page" panels behind cards */
.ed-card{position:relative;background:#fff;border:1px solid var(--line);border-radius:6px;padding:32px 30px 28px;box-shadow:var(--shadow);transition:transform .3s,box-shadow .3s}
.ed-card::before,.ed-card::after{content:"";position:absolute;inset:0;border:1px solid var(--line);border-radius:6px;background:#fff;z-index:-1;transition:transform .3s}
.ed-card::before{transform:rotate(1.1deg) translate(3px,4px)}
.ed-card::after{transform:rotate(-1deg) translate(-3px,5px);background:var(--mist)}
.ed-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-lg)}
.ed-card:hover::before{transform:rotate(1.8deg) translate(5px,6px)}
.ed-card:hover::after{transform:rotate(-1.7deg) translate(-5px,7px)}
.ed-card .bkm{position:absolute;top:-1px;right:26px;width:26px;height:40px;background:var(--em);clip-path:polygon(0 0,100% 0,100% 100%,50% 74%,0 100%)}
.ed-card:nth-child(3n) .bkm{background:var(--teal)}
.ed-card:nth-child(3n+2) .bkm{background:var(--deep)}
.ed-card h3{margin:0 0 .45em;padding-right:44px}
.ed-card p{margin:0;font-size:.97rem}
.ed-card .more{display:inline-block;margin-top:14px;font-weight:700;color:var(--em);text-decoration:none}
.ed-card .more:hover{text-decoration:underline}

/* chapter steps (approach) */
.ed-steps{max-width:820px;margin:0 auto}
.ed-step{position:relative;display:grid;grid-template-columns:auto 1fr;gap:26px;padding:0 0 44px}
.ed-step::before{content:"";position:absolute;left:31px;top:66px;bottom:6px;width:2px;background:linear-gradient(180deg,var(--em),#C8D4F0)}
.ed-step:last-child::before{display:none}
.ed-step .ch{flex:none;width:62px;height:62px;border-radius:8px;background:#fff;border:2px solid var(--em);color:var(--em);display:flex;flex-direction:column;align-items:center;justify-content:center;font-family:var(--font-d);box-shadow:var(--shadow)}
.ed-step .ch b{font-size:1.3rem;line-height:1}
.ed-step .ch span{font-size:.56rem;letter-spacing:.14em;font-weight:700;color:var(--muted)}
.ed-step:nth-child(even) .ch{border-color:var(--tealink);color:var(--tealink)}
.ed-step h3{margin:6px 0 .35em}
.ed-step p{margin:0;max-width:620px}

/* reading band / family */
.ed-fam{background:var(--mist);padding:96px 0}
.ed-fam .wrap{position:relative;background:#fff;border:1px solid var(--line);border-radius:6px;padding:56px 60px;box-shadow:var(--shadow);display:grid;grid-template-columns:1fr auto;gap:36px;align-items:center}
.ed-fam .wrap::before{content:"";position:absolute;left:26px;top:0;bottom:0;width:2px;background:linear-gradient(180deg,#7FE7E2,#00BBB4);opacity:.75}
@media(max-width:820px){.ed-fam .wrap{grid-template-columns:1fr;padding:38px 28px}}

/* detail page - chapters */
.ed-arthero{background:linear-gradient(180deg,#F6F8FD,#fff);padding:96px 0 56px}
.ed-art{position:relative;background:#fff;border:1px solid var(--line);border-radius:6px;box-shadow:var(--shadow);padding:46px 50px;margin:0 0 30px;border-left:5px solid var(--em)}
.ed-art:nth-child(even){border-left-color:var(--teal)}
.ed-art .chip{display:inline-block;font-family:var(--font-b);font-weight:700;font-size:.74rem;letter-spacing:.14em;text-transform:uppercase;color:var(--tealink);margin:0 0 10px}
.ed-art ul{margin:0 0 1em;padding-left:1.3em}
.ed-art li{margin:.35em 0}
.ed-art .fit{background:var(--mist);border-radius:8px;padding:14px 18px;font-size:.95rem;margin:18px 0 0}
.ed-art .fit b{color:var(--tealink)}
@media(max-width:640px){.ed-art{padding:30px 22px}}

/* about */
.ed-vals{display:grid;grid-template-columns:repeat(3,1fr);gap:26px;margin-top:34px}
@media(max-width:900px){.ed-vals{grid-template-columns:1fr}}
.ed-val{background:#fff;border:1px solid var(--line);border-top:4px solid var(--em);border-radius:6px;padding:28px;box-shadow:var(--shadow)}
.ed-val:nth-child(2){border-top-color:var(--teal)}
.ed-val:nth-child(3){border-top-color:var(--deep)}