:root{
  --navy:#082f65;--navy2:#0c4c88;--ink:#1d3249;--muted:#60758b;--line:#dbe5ef;
  --soft:#f5f8fc;--gold:#d6a05c;--phy:#286da8;--chem:#bb782e;--bio:#218064
}
*{box-sizing:border-box}
body{background:#f5f8fc;color:var(--ink)}
.prep-page{max-width:1280px;margin:0 auto;padding:24px 22px 56px}

/* premium locked tabs */
.portal-top .neet-main-tabs{max-width:1280px;display:grid;grid-template-columns:repeat(8,minmax(0,1fr));gap:8px;padding:11px 18px 13px;overflow:visible;background:#fff}
.portal-top .neet-main-tabs a{min-width:0;min-height:58px;padding:9px 8px 10px;border:1px solid var(--line);border-radius:11px;background:linear-gradient(180deg,#fff,#f7fafe);box-shadow:0 3px 10px rgba(18,61,105,.035);display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;text-align:center;color:#405a75;transition:.18s ease}
.portal-top .neet-main-tabs a small{font-size:9px;line-height:1;font-weight:900;letter-spacing:.12em;color:#8da0b3}
.portal-top .neet-main-tabs a span{font-size:12px;line-height:1.18;font-weight:900;letter-spacing:.015em}
.portal-top .neet-main-tabs a:hover{transform:translateY(-2px);border-color:#bcd1e5;background:#f2f7fc;box-shadow:0 8px 18px rgba(18,61,105,.09);color:#123f72}
.portal-top .neet-main-tabs a.active{position:relative;background:linear-gradient(145deg,var(--navy),var(--navy2));border-color:#0a4178;color:#fff;box-shadow:0 9px 22px rgba(8,47,101,.19)}
.portal-top .neet-main-tabs a.active:after{content:"";position:absolute;left:18%;right:18%;bottom:-1px;height:3px;border-radius:3px 3px 0 0;background:var(--gold)}
.portal-top .neet-main-tabs a.active small{color:#d9e9f6}

/* hero */
.prep-hero{display:grid;grid-template-columns:1.2fr .8fr;gap:30px;align-items:center;background:linear-gradient(132deg,#062957,#0b4a85);border-radius:18px;padding:44px 46px;color:#fff;box-shadow:0 18px 45px rgba(8,47,101,.16);overflow:hidden}
.eyebrow{font-size:12px;font-weight:900;letter-spacing:.14em;color:#d6e5f3}
.prep-hero h1{font-size:48px;line-height:1.1;margin:12px 0 18px}.prep-hero h1 em{font-style:normal;color:#f1c27a}
.prep-hero p{font-size:17px;line-height:1.78;color:#e1edf8;max-width:760px;margin:0}
.hero-actions{display:flex;align-items:center;gap:14px;flex-wrap:wrap;margin-top:24px}.hero-btn{display:inline-flex;align-items:center;min-height:45px;padding:0 18px;background:#fff;color:#0c3e76;text-decoration:none;border-radius:8px;font-size:12px;font-weight:900}.hero-actions span{font-size:11.5px;color:#d7e5f2}
.prep-compass{position:relative;width:330px;height:330px;margin:auto;border:1px solid rgba(255,255,255,.18);border-radius:50%;box-shadow:0 0 0 32px rgba(255,255,255,.035),0 0 0 64px rgba(255,255,255,.02)}
.compass-core{position:absolute;inset:92px;border-radius:50%;background:#fff;color:#16436f;display:grid;place-items:center;text-align:center;font-size:14px;font-weight:800;line-height:1.25}.compass-core strong{font-size:21px}
.prep-compass>span{position:absolute;font-size:9px;font-weight:900;letter-spacing:.08em;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.22);padding:7px 9px;border-radius:999px}
.c1{left:112px;top:20px}.c2{right:8px;top:80px}.c3{right:3px;bottom:78px}.c4{left:128px;bottom:18px}.c5{left:-2px;bottom:78px}.c6{left:0;top:80px}

/* jump + sections */
.page-jump{display:flex;gap:10px;align-items:center;flex-wrap:wrap;background:#fff;border:1px solid var(--line);border-radius:12px;padding:12px 14px;margin:16px 0 0}.page-jump span{font-size:10px;font-weight:900;letter-spacing:.12em;color:#8294a8}.page-jump a{font-size:12px;color:#315a83;text-decoration:none;padding:7px 10px;border-radius:7px;background:#f4f7fb}
.prep-section{background:#fff;border:1px solid var(--line);border-radius:16px;padding:34px;margin-top:18px;box-shadow:0 6px 20px rgba(27,65,105,.035)}
.section-label{font-size:11px;font-weight:900;letter-spacing:.12em;color:#70859a;margin-bottom:8px}.section-label.light{color:#d7e5f1}
.section-heading{display:flex;justify-content:space-between;gap:24px;margin-bottom:22px}.section-heading h2{font-size:30px;line-height:1.2;color:#123b68;margin:0 0 8px}.section-heading p{font-size:15px;line-height:1.7;color:var(--muted);margin:0}.on-dark h2{color:#fff}.on-dark p{color:#d8e5f1}

/* preparation journey */
.journey-flow{display:grid;grid-template-columns:1fr auto 1fr auto 1fr auto 1fr auto 1fr auto 1fr auto 1fr;gap:8px;align-items:stretch}.journey-flow article{border:1px solid var(--line);border-radius:11px;padding:16px 12px;background:#f9fbfd}.journey-flow article.improve{background:#eaf6f1;border-color:#cce5da}.journey-flow article span{font-size:9px;font-weight:900;color:#8497a9}.journey-flow article b{display:block;font-size:13px;color:#1e4c74;margin:7px 0}.journey-flow article p{font-size:11.5px;line-height:1.55;color:#687d91;margin:0}.journey-flow>i{align-self:center;font-style:normal;color:#9aabba;font-weight:900}
.principle-strip{display:flex;gap:15px;align-items:flex-start;margin-top:16px;background:#eef5fb;border:1px solid #d6e4f0;border-radius:10px;padding:15px 17px}.principle-strip strong{font-size:12px;color:#0f4c84;white-space:nowrap}.principle-strip span{font-size:13px;line-height:1.6;color:#577189}

/* subject methods */
.subject-methods{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.method-card{position:relative;overflow:hidden;border:1px solid var(--line);border-radius:14px;padding:22px;background:linear-gradient(180deg,#fff,#f9fbfd)}.method-card:before{content:"";position:absolute;left:0;right:0;top:0;height:4px;background:var(--phy)}.method-card.chemistry:before{background:var(--chem)}.method-card.biology:before{background:var(--bio)}
.method-title{display:flex;align-items:center;gap:12px;margin-bottom:14px}.method-title>span{width:44px;height:44px;display:grid;place-items:center;border-radius:50%;background:#eaf2fb;color:var(--phy);font-weight:900}.chemistry .method-title>span{background:#fff1df;color:var(--chem)}.biology .method-title>span{background:#e9f7f1;color:var(--bio)}.method-title small{font-size:9px;letter-spacing:.11em;font-weight:900;color:#8092a4}.method-title h3{font-size:20px;color:#173f68;margin:4px 0 0}
.method-steps{display:grid;gap:8px}.method-steps p{border:1px solid #e2e9f0;border-radius:8px;padding:10px 11px;margin:0}.method-steps b{display:block;font-size:12px;color:#284a69}.method-steps span{display:block;font-size:11.5px;line-height:1.55;color:#687d91;margin-top:3px}
.chem-branches{display:grid;gap:10px}.chem-branches section{border:1px solid #eadfce;border-radius:9px;padding:12px;background:#fffaf4}.chem-branches b{font-size:11px;color:#9a5d1c}.chem-branches p{font-size:11.5px;line-height:1.55;color:#746a5d;margin:5px 0 0}
.method-tag{margin-top:13px;font-size:9.5px;font-weight:900;letter-spacing:.07em;color:#60798f;border-top:1px solid #e2e9ef;padding-top:12px}

/* foundation */
.foundation-section,.test-section{background:linear-gradient(135deg,#092e61,#103f77);color:#fff;border-color:#113f73}.foundation-path{display:grid;grid-template-columns:1fr auto 1fr auto 1fr auto 1fr;gap:10px;align-items:stretch}.foundation-path div{background:rgba(255,255,255,.09);border:1px solid rgba(255,255,255,.16);border-radius:11px;padding:17px}.foundation-path span{font-size:9px;letter-spacing:.1em;font-weight:900;color:#c9d9e8}.foundation-path b{display:block;font-size:14px;margin:7px 0}.foundation-path p{font-size:11.5px;line-height:1.55;color:#d4e2ee;margin:0}.foundation-path i{align-self:center;font-style:normal;color:#c7d7e6}
.classification-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:9px;margin-top:14px}.classification-grid article{background:#fff;color:#173c62;border-radius:9px;padding:13px}.classification-grid b{font-size:10px}.classification-grid p{font-size:10.5px;line-height:1.5;color:#6d8092;margin:5px 0 0}

/* chapter road */
.chapter-road{display:grid;grid-template-columns:repeat(5,1fr);gap:10px}.chapter-road article{border:1px solid var(--line);border-radius:11px;padding:16px;background:#fafcff;min-height:140px}.chapter-road article.final{background:#edf8f3;border-color:#d1e7dc}.chapter-road span{font-size:10px;font-weight:900;color:#8194a6}.chapter-road b{display:block;font-size:12px;color:#19476f;margin:9px 0 6px}.chapter-road p{font-size:11.5px;line-height:1.55;color:#677c90;margin:0}

/* daily weekly */
.routine-layout{display:grid;grid-template-columns:.85fr 1.15fr;gap:14px}.daily-card,.weekly-card{border:1px solid var(--line);border-radius:13px;padding:22px;background:#fbfdff}.daily-card>span,.weekly-card>span{font-size:9.5px;letter-spacing:.11em;font-weight:900;color:#758a9e}.daily-card h3,.weekly-card h3{font-size:21px;color:#173f68;margin:7px 0 16px}.daily-card ol{padding:0;margin:0;list-style:none;display:grid;gap:8px;counter-reset:day}.daily-card li{counter-increment:day;display:grid;grid-template-columns:32px 1fr;column-gap:9px;border:1px solid #e1e8ef;border-radius:9px;padding:10px}.daily-card li:before{content:counter(day);grid-row:1/3;width:28px;height:28px;display:grid;place-items:center;border-radius:7px;background:#eaf2fb;color:#0b4b86;font-size:10px;font-weight:900}.daily-card b{font-size:12px;color:#244c70}.daily-card small{font-size:10.5px;color:#75899c;margin-top:2px}
.week-flow{display:grid;grid-template-columns:1fr auto 1fr auto 1fr auto 1fr auto 1fr;gap:8px;align-items:center}.week-flow p{border:1px solid #e1e8ef;border-radius:10px;padding:14px 10px;margin:0;text-align:center}.week-flow b{font-size:11px;color:#18466e}.week-flow small{display:block;font-size:9.5px;line-height:1.45;color:#74889b;margin-top:4px}.week-flow i{font-style:normal;color:#9bacbc}

/* revision */
.revision-line{display:grid;grid-template-columns:1fr auto 1fr auto 1fr auto 1fr;gap:10px;align-items:stretch}.revision-line article{border:1px solid var(--line);border-radius:11px;padding:17px;background:#fafcff}.revision-line article.test{background:#eef7f3;border-color:#d1e7dc}.revision-line span{display:inline-grid;place-items:center;width:34px;height:34px;border-radius:50%;background:#eaf2fb;color:#0d4a83;font-size:10px;font-weight:900}.revision-line b{display:block;font-size:12px;color:#1e486d;margin:9px 0 6px}.revision-line p{font-size:11.5px;line-height:1.55;color:#687d91;margin:0}.revision-line>i{align-self:center;font-style:normal;color:#99aaba}
.revision-tools{display:flex;gap:8px;align-items:center;flex-wrap:wrap;margin-top:14px;background:#f5f8fb;border:1px solid #e0e8ef;border-radius:10px;padding:12px}.revision-tools span{font-size:9px;font-weight:900;letter-spacing:.1em;color:#8496a8}.revision-tools b{font-size:10.5px;color:#345978;background:#fff;border:1px solid #dce5ed;border-radius:999px;padding:7px 9px}

/* questions */
.practice-ladder{display:flex;gap:8px;align-items:center;justify-content:center;flex-wrap:wrap;background:#f5f8fb;border:1px solid #dfe8ef;border-radius:11px;padding:15px}.practice-ladder span{font-size:10px;font-weight:900;color:#234e73;background:#fff;border:1px solid #dce6ee;border-radius:8px;padding:9px 11px}.practice-ladder i{font-style:normal;color:#9aabba}
.error-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-top:14px}.error-grid article{border:1px solid var(--line);border-radius:10px;padding:15px}.error-grid span{font-size:9px;font-weight:900;color:#8a9bad}.error-grid b{display:block;font-size:12px;color:#1f486d;margin:7px 0}.error-grid p{font-size:11.5px;line-height:1.55;color:#677c91;margin:0}.error-principle{display:flex;gap:10px;margin-top:13px;padding:13px 15px;border-radius:10px;background:#eef5fb;border:1px solid #d6e4f0}.error-principle strong{font-size:11px;color:#154f82;white-space:nowrap}.error-principle span{font-size:12px;line-height:1.55;color:#5b7186}

/* tests */
.test-stages{display:grid;grid-template-columns:repeat(5,1fr);gap:9px}.test-stages article{background:rgba(255,255,255,.09);border:1px solid rgba(255,255,255,.16);border-radius:10px;padding:15px}.test-stages span{font-size:9px;color:#c7d7e6;font-weight:900}.test-stages b{display:block;font-size:11.5px;margin:7px 0}.test-stages p{font-size:10.5px;line-height:1.5;color:#d4e2ee;margin:0}.analyse-strip{display:flex;align-items:center;gap:8px;flex-wrap:wrap;margin-top:13px;background:#fff;border-radius:9px;padding:12px;color:#173f68}.analyse-strip span{font-size:9px;letter-spacing:.1em;font-weight:900;color:#708599}.analyse-strip b{font-size:10.5px;background:#edf3f9;border-radius:999px;padding:7px 9px}

/* backlog */
.backlog-flow{display:grid;grid-template-columns:repeat(5,1fr);gap:10px}.backlog-flow article{border:1px solid var(--line);border-radius:10px;padding:15px;background:#fbfdff}.backlog-flow span{font-size:9px;font-weight:900;color:#8a9baa}.backlog-flow b{display:block;font-size:11.5px;color:#1e486d;margin:7px 0}.backlog-flow p{font-size:10.8px;line-height:1.52;color:#687d91;margin:0}

/* diagnostic */
.diagnostic-layout{display:grid;grid-template-columns:.9fr 1.1fr;gap:14px}.diagnostic-options{display:grid;gap:8px}.diagnostic-options button{appearance:none;border:1px solid #d9e3ec;border-radius:9px;background:#fff;text-align:left;padding:13px 14px;font-size:12px;font-weight:800;color:#3b5872;cursor:pointer}.diagnostic-options button.active{background:#0b477f;color:#fff;border-color:#0b477f;box-shadow:0 7px 16px rgba(11,71,127,.15)}
.diagnostic-result{border-radius:13px;background:linear-gradient(145deg,#f4f8fc,#eaf3fb);border:1px solid #d5e3ef;padding:25px}.diagnostic-result>span{font-size:9px;letter-spacing:.11em;font-weight:900;color:#71889c}.diagnostic-result h3{font-size:23px;color:#123f6b;margin:7px 0 10px}.diagnostic-result p{font-size:13px;line-height:1.7;color:#5d7489;margin:0}.diag-actions{display:grid;gap:7px;margin-top:14px}.diag-actions b{font-size:11.5px;color:#234f75;background:#fff;border:1px solid #dae5ee;border-radius:8px;padding:10px}

/* readiness */
.readiness-card{display:grid;grid-template-columns:1.2fr .8fr;border:1px solid var(--line);border-radius:14px;overflow:hidden}.check-area{padding:22px;background:#fbfdff;display:grid;gap:8px}.check-area label{display:flex;gap:11px;align-items:flex-start;border:1px solid #e0e8ef;border-radius:9px;padding:11px;background:#fff;cursor:pointer}.check-area input{margin-top:4px;accent-color:#0b4a85}.check-area b{font-size:12px;color:#244d70}.check-area small{display:block;font-size:10.5px;color:#73889b;margin-top:3px;line-height:1.45}
.readiness-meter{background:linear-gradient(140deg,#082f65,#0d4b86);color:#fff;padding:25px;display:flex;flex-direction:column;justify-content:center}.readiness-meter>span{font-size:9px;letter-spacing:.12em;font-weight:900;color:#d1dfed}.readiness-meter strong{font-size:52px;margin:8px 0}.meter{height:10px;background:rgba(255,255,255,.16);border-radius:999px;overflow:hidden}.meter i{display:block;height:100%;width:0;background:#f0c27a;border-radius:999px;transition:.25s}.readiness-meter p{font-size:11.5px;line-height:1.55;color:#d7e4f0;margin:11px 0 0}

/* final + next */
.prep-final{background:#fff;border:1px solid var(--line);border-radius:16px;padding:30px;margin-top:18px;text-align:center}.prep-final>span{font-size:10px;letter-spacing:.12em;font-weight:900;color:#768b9f}.prep-final h2{font-size:27px;color:#123b68;margin:8px 0 17px}.compass-questions{display:grid;grid-template-columns:repeat(5,1fr);gap:9px}.compass-questions b{font-size:11.5px;color:#1e4a70;background:#eef5fb;border:1px solid #d9e6f1;border-radius:9px;padding:13px}.prep-final p{font-size:13px;line-height:1.6;color:#647a8f;margin:16px 0 0}
.next-guide{background:linear-gradient(135deg,#0a356c,#113f78);color:#fff;border-radius:16px;padding:30px;margin-top:18px}.next-guide>span{font-size:10px;letter-spacing:.12em;font-weight:900;color:#cdddec}.next-guide h2{font-size:28px;margin:8px 0}.next-guide p{font-size:13px;line-height:1.65;color:#d5e4f0}.next-guide a{display:inline-flex;flex-direction:column;background:#fff;color:#173f69;text-decoration:none;padding:14px 17px;border-radius:9px;margin-top:12px}.next-guide b{font-size:13px}.next-guide small{font-size:10.5px;color:#6d8297;margin-top:4px}

/* thick locked footer */
.footer-note{display:flex;justify-content:space-between;align-items:center;gap:18px;background:linear-gradient(135deg,#092f63,#0d467f);border-radius:14px;padding:22px 24px;margin-top:18px;box-shadow:0 8px 22px rgba(8,47,101,.12)}
.footer-note strong{color:#fff;font-size:16px;font-weight:900;letter-spacing:.01em;opacity:1}.footer-note p{color:#e4edf7;font-size:13px;font-weight:700;line-height:1.55;margin:6px 0 0;opacity:1}.footer-note a{color:#fff;border:1px solid rgba(255,255,255,.38);background:rgba(255,255,255,.10);padding:10px 14px;border-radius:8px;font-size:11px;font-weight:900;text-decoration:none}.footer-note a:hover{background:#fff;color:#0b447d}

@media(max-width:1100px){
  .portal-top .neet-main-tabs{grid-template-columns:repeat(4,1fr)}
  .prep-hero{grid-template-columns:1fr}.prep-compass{display:none}
  .journey-flow{grid-template-columns:repeat(4,1fr)}.journey-flow>i{display:none}
  .subject-methods{grid-template-columns:1fr}
  .foundation-path{grid-template-columns:1fr 1fr}.foundation-path i{display:none}
  .classification-grid{grid-template-columns:repeat(3,1fr)}
  .chapter-road{grid-template-columns:repeat(2,1fr)}
  .test-stages,.backlog-flow{grid-template-columns:repeat(3,1fr)}
  .compass-questions{grid-template-columns:repeat(3,1fr)}
}
@media(max-width:760px){
  .prep-page{padding:14px 12px 42px}
  .portal-top .neet-main-tabs{display:flex;overflow-x:auto;gap:8px;padding:9px 12px 11px}.portal-top .neet-main-tabs a{min-width:145px;min-height:54px}
  .prep-hero{padding:30px 22px}.prep-hero h1{font-size:36px}.prep-hero p{font-size:15px}
  .prep-section{padding:24px 18px}.section-heading h2{font-size:25px}.section-heading p{font-size:14px}
  .journey-flow,.foundation-path,.classification-grid,.chapter-road,.test-stages,.backlog-flow,.compass-questions{grid-template-columns:1fr}
  .principle-strip,.error-principle{flex-direction:column}
  .routine-layout,.diagnostic-layout,.readiness-card{grid-template-columns:1fr}
  .week-flow{grid-template-columns:1fr}.week-flow i{display:none}
  .revision-line{grid-template-columns:1fr}.revision-line>i{display:none}
  .error-grid{grid-template-columns:1fr}
  .footer-note{align-items:flex-start;flex-direction:column}
}


/* =========================================================
   NEET KNOWLEDGE CENTRE V1 — FINAL CONSISTENCY LOCK
   ========================================================= */
.portal-titlebar strong{
  font-weight:900 !important;
  opacity:1 !important;
}
.portal-titlebar span{
  opacity:1 !important;
}
.portal-top .neet-main-tabs a span{
  font-weight:900 !important;
  opacity:1 !important;
}
.portal-top .neet-main-tabs a.active span{
  color:#ffffff !important;
}
.main-site-link{
  font-weight:900 !important;
}
.footer-note strong{
  color:#ffffff !important;
  font-weight:900 !important;
  opacity:1 !important;
}
.footer-note p{
  opacity:1 !important;
}
.footer-note a{
  font-weight:900 !important;
  opacity:1 !important;
}