/* ===== Akanksha Classes — shared styles (B1 "rainbow blocks" theme) ===== */

:root {
  /* brand palette */
  --navy: #26215C;
  --indigo: #534AB7;
  --indigo-light: #EEEDFE;
  --amber: #EF9F27;
  --amber-dark: #412402;
  --amber-soft: #FAEEDA;
  --amber-text: #854F0B;
  --teal: #1D9E75;
  --teal-dark: #0F6E56;
  --teal-soft: #E1F5EE;
  --pink: #D4537E;
  --pink-dark: #993556;
  --pink-soft: #FBEAF0;
  --blue: #378ADD;
  --blue-dark: #185FA5;
  --blue-soft: #E6F1FB;
  --green: #639922;

  --ink: #2C2C2A;
  --muted: #5F5E5A;
  --line: rgba(38, 33, 92, 0.12);
  --bg: #FBFAFF;
  --radius: 14px;
  --radius-sm: 8px;
  --shadow: 0 6px 24px rgba(38, 33, 92, 0.08);
  --maxw: 1080px;
  --font: 'Poppins', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font);
  color: var(--ink);
  background: var(--bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }

.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 20px; }

.btn {
  display: inline-flex; align-items: center; gap: 8px;
  border: none; cursor: pointer; font-family: var(--font);
  font-size: 15px; font-weight: 500; padding: 12px 24px;
  border-radius: 26px; transition: transform .12s ease, filter .12s ease;
}
.btn:hover { transform: translateY(-2px); filter: brightness(1.05); }
.btn:active { transform: translateY(0); }
.btn-amber { background: var(--amber); color: var(--amber-dark); }
.btn-teal  { background: var(--teal);  color: #fff; }
.btn-ghost { background: transparent; color: #fff; border: 1.5px solid rgba(255,255,255,.7); }
.btn-outline { background: #fff; color: var(--indigo); border: 1.5px solid var(--indigo); }

/* ===== Header / nav ===== */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: var(--navy); color: #fff;
}
.nav {
  display: flex; align-items: center; justify-content: space-between;
  padding: 12px 20px; max-width: var(--maxw); margin: 0 auto;
}
.brand { display: flex; align-items: center; gap: 10px; }
.brand .logo {
  width: 40px; height: 40px; border-radius: 10px;
  background: var(--amber); color: var(--amber-dark);
  display: flex; align-items: center; justify-content: center;
  font-size: 20px; font-weight: 600;
}
.brand .name { font-size: 18px; font-weight: 600; }
.brand .name small { display: block; font-size: 11px; font-weight: 400; color: #CECBF6; letter-spacing: .04em; }

.nav-links { display: flex; align-items: center; gap: 22px; font-size: 14px; }
.nav-links a { color: #CECBF6; transition: color .12s; }
.nav-links a:hover { color: #fff; }
.nav-links .login-pill {
  background: var(--teal); color: #fff; padding: 8px 16px; border-radius: 22px; font-weight: 500;
}
.nav-links .login-pill:hover { color: #fff; filter: brightness(1.08); }

.nav-toggle { display: none; background: none; border: none; color: #fff; font-size: 26px; cursor: pointer; }

/* ===== Hero ===== */
.hero { background: var(--indigo); color: #fff; padding: 56px 0 48px; }
.hero .badges { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 18px; }
.badge { font-size: 12.5px; padding: 5px 14px; border-radius: 20px; font-weight: 500; }
.badge.amber { background: var(--amber); color: var(--amber-dark); }
.badge.teal  { background: var(--teal);  color: #fff; }
.badge.pink  { background: var(--pink);  color: #fff; }
.hero h1 { font-size: 40px; line-height: 1.18; font-weight: 600; margin: 0 0 14px; max-width: 620px; }
.hero p.lead { font-size: 17px; color: #D9D6F4; max-width: 520px; margin: 0 0 26px; }
.hero .cta { display: flex; flex-wrap: wrap; gap: 12px; }

/* ===== Class color blocks ===== */
.class-strip { display: grid; grid-template-columns: repeat(4, 1fr); }
.class-strip a { padding: 22px 8px; text-align: center; transition: filter .12s; }
.class-strip a:hover { filter: brightness(1.06); }
.class-strip .num { font-size: 30px; font-weight: 600; line-height: 1; }
.class-strip .lbl { font-size: 12.5px; opacity: .95; }
.cb-7  { background: var(--pink);  color: #fff; }
.cb-8  { background: var(--blue);  color: #fff; }
.cb-9  { background: var(--teal);  color: #fff; }
.cb-10 { background: var(--amber); color: var(--amber-dark); }

/* ===== Section scaffolding ===== */
section { padding: 56px 0; }
.section-head { text-align: center; max-width: 620px; margin: 0 auto 36px; }
.section-head h2 { font-size: 30px; font-weight: 600; margin: 0 0 10px; color: var(--navy); }
.section-head p { color: var(--muted); margin: 0; font-size: 16px; }
.eyebrow { display:inline-block; font-size: 13px; font-weight: 500; letter-spacing: .08em; text-transform: uppercase; color: var(--indigo); margin-bottom: 8px; }

/* ===== Feature cards ===== */
.features { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 18px; }
.feature {
  border-radius: var(--radius); padding: 24px 22px;
}
.feature i { font-size: 30px; }
.feature h3 { font-size: 17px; font-weight: 600; margin: 12px 0 6px; }
.feature p { font-size: 14px; margin: 0; }
.f-amber { background: var(--amber-soft); color: var(--amber-text); }
.f-amber h3, .f-amber i { color: var(--amber-text); }
.f-teal  { background: var(--teal-soft);  color: var(--teal-dark); }
.f-teal h3, .f-teal i { color: var(--teal-dark); }
.f-blue  { background: var(--blue-soft);  color: var(--blue-dark); }
.f-blue h3, .f-blue i { color: var(--blue-dark); }
.f-pink  { background: var(--pink-soft);  color: var(--pink-dark); }
.f-pink h3, .f-pink i { color: var(--pink-dark); }

/* ===== About / why ===== */
.about { background: #fff; }
.about-grid { display: grid; grid-template-columns: 1.1fr 1fr; gap: 40px; align-items: center; }
.stat-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; }
.stat { background: var(--indigo-light); border-radius: var(--radius); padding: 20px; text-align: center; }
.stat .big { font-size: 30px; font-weight: 600; color: var(--indigo); }
.stat .cap { font-size: 13px; color: var(--muted); }

.ticklist { list-style: none; padding: 0; margin: 18px 0 0; }
.ticklist li { display: flex; gap: 10px; align-items: flex-start; margin-bottom: 12px; font-size: 15px; }
.ticklist i { color: var(--teal); font-size: 20px; margin-top: 2px; }

/* ===== Videos ===== */
.videos { background: var(--indigo-light); }
.video-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 18px; }
.video-card { background: #fff; border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); }
.video-thumb {
  aspect-ratio: 16/9; background: var(--navy); color: #fff;
  display: flex; align-items: center; justify-content: center; position: relative;
}
.video-thumb i { font-size: 52px; color: var(--amber); }
.video-thumb .tag { position: absolute; top: 10px; left: 10px; background: #E24B4A; color: #fff; font-size: 11px; padding: 3px 10px; border-radius: 12px; }
.video-card .meta { padding: 14px 16px; }
.video-card .meta h4 { margin: 0 0 4px; font-size: 15px; font-weight: 600; }
.video-card .meta span { font-size: 13px; color: var(--muted); }

/* ===== Contact / footer ===== */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 30px; }
.info-card { background: #fff; border-radius: var(--radius); padding: 24px; box-shadow: var(--shadow); }
.info-row { display: flex; gap: 12px; align-items: flex-start; margin-bottom: 16px; }
.info-row i { font-size: 22px; color: var(--indigo); margin-top: 2px; }
.info-row b { display: block; font-size: 15px; }
.info-row span { font-size: 14px; color: var(--muted); }

form.enquiry { display: grid; gap: 12px; }
form.enquiry input, form.enquiry select, form.enquiry textarea {
  font-family: var(--font); font-size: 15px; padding: 12px 14px;
  border: 1.5px solid var(--line); border-radius: var(--radius-sm); background: #fff;
}
form.enquiry input:focus, form.enquiry select:focus, form.enquiry textarea:focus {
  outline: none; border-color: var(--indigo);
}

.site-footer { background: var(--navy); color: #CECBF6; padding: 36px 0 24px; }
.footer-top { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 24px; align-items: center; }
.socials { display: flex; gap: 10px; }
.socials a { display: inline-flex; align-items: center; gap: 6px; font-size: 13px; color: #fff; padding: 8px 14px; border-radius: 20px; }
.s-yt { background: #E24B4A; }
.s-ig { background: var(--pink); }
.s-wa { background: var(--teal); }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.12); margin-top: 24px; padding-top: 16px; font-size: 13px; text-align: center; }

/* ===== Colorful student notes (snackable cards) ===== */
.notebody{display:flex;flex-direction:column;gap:12px;}
.notebody h2,.notebody h3,.notebody p{margin:0;}
.notebody .n-tag{display:inline-flex;align-items:center;gap:6px;font-size:11.5px;font-weight:500;text-transform:uppercase;letter-spacing:.04em;margin-bottom:6px;}
.notebody .n-idea,.notebody .n-flash,.notebody .n-warn,.notebody .n-trick,.notebody .n-fire,.notebody .n-exam,.notebody .n-recap{border-radius:16px;padding:15px 18px;}
.notebody .n-idea p,.notebody .n-trick p,.notebody .n-warn p,.notebody .n-idea,.notebody .n-trick{font-size:16px;line-height:1.45;}

.notebody .n-idea{background:#FBEAF0;color:#4B1528;}
.notebody .n-idea .n-tag{color:#993556;}

.notebody .n-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px;}
.notebody .n-concept{border-radius:14px;padding:13px 14px;}
.notebody .n-concept h4{margin:0 0 2px;font-size:14px;font-weight:500;}
.notebody .n-concept p{font-size:12.5px;line-height:1.4;}
.notebody .c1{background:#FBEAF0;color:#993556;} .notebody .c1 h4{color:#4B1528;}
.notebody .c2{background:#E6F1FB;color:#185FA5;} .notebody .c2 h4{color:#042C53;}
.notebody .c3{background:#E1F5EE;color:#0F6E56;} .notebody .c3 h4{color:#04342C;}
.notebody .c4{background:#FAEEDA;color:#854F0B;} .notebody .c4 h4{color:#412402;}
.notebody .c5{background:#EEEDFE;color:#534AB7;} .notebody .c5 h4{color:#26215C;}
.notebody .c6{background:#EAF3DE;color:#3B6D11;} .notebody .c6 h4{color:#173404;}

.notebody .n-flash{background:#E6F1FB;color:#042C53;}
.notebody .n-flash .n-tag{color:#185FA5;}
.notebody .n-flash ul{margin:0;padding-left:18px;} .notebody .n-flash li{margin:4px 0;font-size:14px;}

.notebody .n-warn{background:#412402;color:#FAEEDA;}
.notebody .n-warn .n-tag{color:#EF9F27;}
.notebody .n-warn b{color:#fff;}

.notebody .n-trick{background:#EEEDFE;color:#26215C;}
.notebody .n-trick .n-tag{color:#534AB7;}

.notebody .n-fire{background:#FFF7E6;border:1.5px solid #FAEEDA;}
.notebody .n-fire .n-tag{color:#854F0B;}
.notebody .n-fire .chips{display:flex;flex-wrap:wrap;gap:7px;}
.notebody .n-fire .chip{background:#FAEEDA;color:#412402;font-size:12.5px;padding:5px 11px;border-radius:14px;}

.notebody .n-exam{background:#fff;border:2px solid #EEEDFE;}
.notebody .n-exam .n-tag{color:#534AB7;}
.notebody .n-exam ol{margin:0;padding-left:20px;} .notebody .n-exam li{margin:5px 0;font-size:14px;}

.notebody .n-recap{background:#1D9E75;color:#fff;}
.notebody .n-recap .n-tag{color:#E1F5EE;}
.notebody .n-recap ul{list-style:none;margin:0;padding:0;} .notebody .n-recap li{font-size:14.5px;margin:3px 0;}

/* detailed explanation */
.notebody .n-deep{background:#fff;border:1.5px solid #EEEDFE;border-radius:16px;padding:16px 18px;}
.notebody .n-deep .n-tag{color:#534AB7;}
.notebody .n-deep h4{margin:14px 0 4px;font-size:15px;font-weight:500;color:#26215C;}
.notebody .n-deep h4:first-of-type{margin-top:8px;}
.notebody .n-deep p{font-size:14.5px;line-height:1.65;margin:6px 0;color:var(--ink);}
.notebody .n-deep ul{margin:6px 0;padding-left:20px;} .notebody .n-deep li{font-size:14.5px;line-height:1.6;margin:4px 0;}

/* worked example */
.notebody .n-example{background:#FAEEDA;border-radius:16px;padding:16px 18px;}
.notebody .n-example .n-tag{color:#854F0B;}
.notebody .n-example .q{font-weight:500;color:#412402;font-size:14.5px;margin-bottom:6px;}
.notebody .n-example .steps{margin:0;padding-left:20px;} .notebody .n-example .steps li{font-size:14px;line-height:1.6;margin:5px 0;color:#5a3a08;}
.notebody .n-example p{font-size:14px;line-height:1.6;color:#5a3a08;margin:6px 0;}
.notebody .n-example .ans{display:inline-block;margin-top:8px;background:#EF9F27;color:#412402;font-weight:500;font-size:13.5px;padding:5px 12px;border-radius:12px;}

/* solved questions */
.notebody .n-qa{background:#fff;border:2px solid #E1F5EE;border-radius:16px;padding:16px 18px;}
.notebody .n-qa .n-tag{color:#0F6E56;}
.notebody .n-qa .qa{padding:10px 0;border-bottom:1px solid #E1F5EE;}
.notebody .n-qa .qa:last-child{border-bottom:none;}
.notebody .n-qa .q{font-weight:500;font-size:14.5px;color:#04342C;}
.notebody .n-qa .a{font-size:14px;line-height:1.6;color:#0F6E56;margin-top:4px;}

@media(max-width:520px){.notebody .n-grid{grid-template-columns:1fr;}}

/* ===== Areas we serve ===== */
.areas-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 12px; }
.areas-grid a, .areas-grid span {
  display: flex; align-items: center; gap: 8px; font-size: 14.5px;
  background: var(--indigo-light); color: var(--indigo); padding: 12px 16px;
  border-radius: var(--radius-sm); transition: filter .12s, transform .12s;
}
.areas-grid a:hover { filter: brightness(0.97); transform: translateY(-2px); }
.areas-grid a i, .areas-grid span i { color: var(--pink); }
.areas-grid span { color: var(--muted); background: #F4F3FB; }

/* ===== Location landing pages ===== */
.loc-intro { background: #fff; }
.loc-intro .lead { font-size: 17px; color: var(--muted); max-width: 760px; }
.loc-cols { display: grid; grid-template-columns: 1.3fr 1fr; gap: 36px; align-items: start; }
.loc-cols ul { padding-left: 18px; }
.loc-cols li { margin-bottom: 8px; }
.loc-aside { background: var(--indigo-light); border-radius: var(--radius); padding: 22px; }
.loc-aside h3 { margin: 0 0 12px; color: var(--navy); font-size: 17px; }
.loc-aside .info-row { display: flex; gap: 10px; align-items: flex-start; margin-bottom: 12px; font-size: 14px; }
.loc-aside .info-row i { color: var(--indigo); font-size: 20px; }
.faq { max-width: 820px; }
.faq details { background: #fff; border: 1px solid var(--line); border-radius: var(--radius-sm); padding: 14px 18px; margin-bottom: 10px; }
.faq summary { cursor: pointer; font-weight: 500; color: var(--navy); }
.faq details p { margin: 10px 0 0; color: var(--muted); font-size: 14.5px; }
.nearby-areas { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 8px; }
.nearby-areas a { font-size: 13px; background: var(--indigo-light); color: var(--indigo); padding: 6px 12px; border-radius: 16px; }
@media (max-width: 760px) { .loc-cols { grid-template-columns: 1fr; } }

/* ===== Page banner (inner pages) ===== */
.page-banner { background: var(--indigo); color: #fff; padding: 40px 0; }
.page-banner h1 { font-size: 32px; font-weight: 600; margin: 0 0 6px; }
.page-banner p { margin: 0; color: #D9D6F4; }

/* ===== Auth (login) ===== */
.auth-wrap { display: flex; min-height: 70vh; align-items: center; justify-content: center; padding: 40px 20px; }
.auth-card { background: #fff; border-radius: 18px; box-shadow: var(--shadow); width: 100%; max-width: 420px; padding: 34px 30px; }
.auth-card h2 { margin: 0 0 4px; font-size: 24px; color: var(--navy); }
.auth-card p.sub { margin: 0 0 24px; color: var(--muted); font-size: 14px; }
.field { display: grid; gap: 6px; margin-bottom: 16px; }
.field label { font-size: 13px; font-weight: 500; color: var(--ink); }
.field input {
  font-family: var(--font); font-size: 15px; padding: 12px 14px;
  border: 1.5px solid var(--line); border-radius: var(--radius-sm);
}
.field input:focus { outline: none; border-color: var(--indigo); }
.hint { background: var(--amber-soft); color: var(--amber-text); font-size: 13px; padding: 10px 14px; border-radius: var(--radius-sm); margin-bottom: 18px; }
.auth-error { color: #A32D2D; font-size: 13px; min-height: 18px; margin-bottom: 8px; }

/* ===== Dashboard ===== */
.dash { padding: 36px 0 56px; }
.dash-head { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: 16px; margin-bottom: 28px; }
.dash-head .who h2 { margin: 0; font-size: 24px; color: var(--navy); }
.dash-head .who p { margin: 2px 0 0; color: var(--muted); font-size: 14px; }
.kpi-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 14px; margin-bottom: 28px; }
.kpi { border-radius: var(--radius); padding: 18px 20px; color: #fff; }
.kpi .label { font-size: 13px; opacity: .9; }
.kpi .value { font-size: 28px; font-weight: 600; margin-top: 4px; }
.k-indigo { background: var(--indigo); }
.k-teal { background: var(--teal); }
.k-pink { background: var(--pink); }
.k-amber { background: var(--amber); color: var(--amber-dark); }

.panel { background: #fff; border-radius: var(--radius); box-shadow: var(--shadow); padding: 24px; margin-bottom: 22px; }
.panel h3 { margin: 0 0 18px; font-size: 18px; color: var(--navy); }

.subject-row { margin-bottom: 16px; }
.subject-row .top { display: flex; justify-content: space-between; font-size: 14px; margin-bottom: 6px; }
.subject-row .top b { font-weight: 500; }
.bar { height: 10px; background: var(--indigo-light); border-radius: 6px; overflow: hidden; }
.bar > span { display: block; height: 100%; border-radius: 6px; }

table.report { width: 100%; border-collapse: collapse; font-size: 14px; }
table.report th, table.report td { text-align: left; padding: 12px 10px; border-bottom: 1px solid var(--line); }
table.report th { color: var(--muted); font-weight: 500; font-size: 13px; }
.pill { font-size: 12px; padding: 3px 10px; border-radius: 12px; font-weight: 500; }
.pill.good { background: var(--teal-soft); color: var(--teal-dark); }
.pill.ok { background: var(--amber-soft); color: var(--amber-text); }
.pill.low { background: #FCEBEB; color: #A32D2D; }

/* ===== Tests page ===== */
.test-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 18px; }
.test-card { background: #fff; border-radius: var(--radius); box-shadow: var(--shadow); padding: 22px; border-top: 5px solid var(--indigo); }
.test-card.c7 { border-top-color: var(--pink); }
.test-card.c8 { border-top-color: var(--blue); }
.test-card.c9 { border-top-color: var(--teal); }
.test-card.c10 { border-top-color: var(--amber); }
.test-card h4 { margin: 0 0 4px; font-size: 17px; }
.test-card .sub { font-size: 13px; color: var(--muted); margin-bottom: 14px; }
.test-card .row { display: flex; justify-content: space-between; font-size: 13px; color: var(--muted); margin-bottom: 14px; }

.quiz { background: #fff; border-radius: var(--radius); box-shadow: var(--shadow); padding: 28px; max-width: 760px; margin: 0 auto; }
.q { margin-bottom: 24px; padding-bottom: 22px; border-bottom: 1px solid var(--line); }
.q:last-of-type { border-bottom: none; }
.q .qno { font-size: 13px; color: var(--indigo); font-weight: 500; }
.q .qtext { font-size: 16px; font-weight: 500; margin: 4px 0 14px; }
.opt { display: flex; align-items: center; gap: 10px; padding: 10px 14px; border: 1.5px solid var(--line); border-radius: var(--radius-sm); margin-bottom: 8px; cursor: pointer; transition: border-color .12s, background .12s; }
.opt:hover { border-color: var(--indigo); background: var(--indigo-light); }
.opt input { accent-color: var(--indigo); }
.opt.correct { border-color: var(--teal); background: var(--teal-soft); }
.opt.wrong { border-color: #E24B4A; background: #FCEBEB; }
.quiz-result { text-align: center; padding: 20px; border-radius: var(--radius); background: var(--indigo-light); margin-top: 10px; }
.quiz-result .score { font-size: 34px; font-weight: 600; color: var(--indigo); }

/* ===== Responsive ===== */
@media (max-width: 760px) {
  .nav-links {
    display: none; position: absolute; top: 64px; left: 0; right: 0;
    background: var(--navy); flex-direction: column; align-items: flex-start;
    padding: 16px 20px; gap: 14px; border-top: 1px solid rgba(255,255,255,.12);
  }
  .nav-links.open { display: flex; }
  .nav-toggle { display: block; }
  .hero h1 { font-size: 30px; }
  .about-grid, .contact-grid { grid-template-columns: 1fr; }
  .footer-top { flex-direction: column; align-items: flex-start; }
}

/* ===== Rich chapter-note pages (hero + TOC + sections + KaTeX) ===== */
.chero{background:linear-gradient(135deg,#3C3489,#534AB7 55%,#7F77DD);color:#fff;position:relative;overflow:hidden;}
.chero .inner{max-width:1100px;margin:0 auto;padding:38px 24px 30px;}
.chero h1{font-size:40px;font-weight:600;margin:0;line-height:1.1;color:#fff;}
.chero .urlpill{display:inline-block;margin-top:16px;background:#fff;color:#3C3489;font-weight:600;padding:9px 22px;border-radius:30px;font-size:15px;}
.chero .logo2{position:absolute;right:24px;bottom:20px;width:74px;height:74px;border-radius:14px;background:#fff;display:flex;align-items:center;justify-content:center;font-size:34px;color:#EF9F27;font-weight:600;}
.cwrap{max-width:1100px;margin:0 auto;padding:0 24px;}
.cwrap .tags{display:flex;flex-wrap:wrap;gap:8px;margin:18px 0 4px;}
.cwrap .tags .t{font-size:12.5px;font-weight:500;padding:5px 13px;border-radius:16px;display:inline-flex;align-items:center;gap:5px;}
.t-class{background:#EEEDFE;color:#534AB7;} .t-sub{background:#FAEEDA;color:#854F0B;} .t-mcq{background:#FFF7D6;color:#8a6d00;} .t-ch{background:#EAF3DE;color:#3B6D11;}
.h-title{font-size:30px;font-weight:600;color:#26215C;margin:10px 0 2px;}
.h-sub{color:var(--muted);margin:0 0 8px;font-size:15px;}
.layout{display:grid;grid-template-columns:1fr 300px;gap:34px;align-items:start;padding-bottom:50px;}
.layout .section-h{display:flex;align-items:center;gap:8px;font-size:22px;font-weight:600;color:#26215C;margin:30px 0 12px;}
.snapshot{background:#FFF8EC;border:1px solid #FAEEDA;border-radius:16px;padding:18px 22px;}
.snapshot ul{margin:0;padding-left:20px;} .snapshot li{margin:9px 0;line-height:1.6;font-size:15.5px;color:var(--ink);}
.note-sec{background:#fff;border:1px solid var(--line);border-radius:16px;padding:8px 24px 18px;margin-bottom:18px;}
.note-sec h2{font-size:20px;color:#534AB7;font-weight:600;margin:20px 0 8px;} .note-sec h2:first-child{margin-top:14px;}
.note-sec h3{font-size:16.5px;color:#26215C;font-weight:600;margin:16px 0 6px;}
.note-sec p,.note-sec li{font-size:15.5px;line-height:1.75;color:var(--ink);} .note-sec ul,.note-sec ol{padding-left:20px;margin:8px 0;}
.fbox{background:#EEF0FE;border-left:4px solid #534AB7;border-radius:0 10px 10px 0;padding:12px 16px;margin:14px 0;overflow-x:auto;}
.ex{background:#FAEEDA;border-radius:12px;padding:14px 18px;margin:14px 0;} .ex .lbl{font-weight:600;color:#854F0B;font-size:13px;text-transform:uppercase;letter-spacing:.04em;}
.ex p{color:#4a3306;}
.mcq{background:#fff;border:1px solid var(--line);border-radius:12px;padding:14px 18px;margin-bottom:10px;}
.mcq .q{font-weight:500;color:#26215C;} .mcq ol{margin:8px 0 0;} .mcq .ans{margin-top:8px;font-size:14px;color:#0F6E56;}
.cta-card{margin:28px 0;padding:18px;background:var(--indigo-light);border-radius:14px;text-align:center;}
.cta-card b{color:var(--navy);}
.side{position:sticky;top:84px;display:flex;flex-direction:column;gap:16px;}
.toc{background:#fff;border:1px solid var(--line);border-radius:16px;padding:6px 18px;}
.toc h4{margin:0 0 10px;font-size:13px;letter-spacing:.06em;text-transform:uppercase;color:#534AB7;}
.toc summary{list-style:none;cursor:pointer;font-size:13px;letter-spacing:.06em;text-transform:uppercase;color:#534AB7;font-weight:600;padding:10px 0;}
.toc summary::-webkit-details-marker{display:none;}
.toc summary::after{content:"\25be";float:right;color:#534AB7;font-size:12px;}
.toc[open] summary::after{content:"\25b4";}
.toc-links{padding-bottom:8px;}
.toc a{display:block;color:var(--muted);font-size:14px;padding:5px 0 5px 10px;text-decoration:none;border-left:2px solid transparent;}
.toc a:hover{color:#534AB7;border-left-color:#534AB7;}
.qa-box{background:#FFF8EC;border:1px solid #FAEEDA;border-radius:16px;padding:16px 18px;}
.qa-box h4{margin:0 0 12px;font-size:13px;letter-spacing:.06em;text-transform:uppercase;color:#854F0B;}
.qa-box a{display:block;text-align:center;font-weight:500;font-size:14.5px;padding:11px;border-radius:10px;margin-bottom:9px;text-decoration:none;}
.qa-test{background:#EF9F27;color:#412402;} .qa-pdf{background:#534AB7;color:#fff;} .qa-link{background:#fff;border:1px solid var(--line);color:var(--ink);}
@media(max-width:860px){.layout{grid-template-columns:1fr;} .side{position:static;order:-1;} .chero h1{font-size:30px;} .chero .logo2{display:none;}}
@media(max-width:560px){.cwrap{padding:0 16px;} .note-sec{padding:6px 16px 14px;} .snapshot{padding:16px 18px;} .layout .section-h{font-size:19px;}}
.crumbs{font-size:13.5px;color:var(--muted);margin:16px 0 2px;}
.crumbs a{color:#534AB7;text-decoration:none;} .crumbs a:hover{text-decoration:underline;}
.crumbs span{margin:0 6px;color:#b3b0c8;} .crumbs b{color:var(--ink);font-weight:500;}