/* Study Buddy 4 U — public landing page (/) */
:root{--blue:#0a3f91;--blue2:#1659b7;--ink:#15243a;--muted:#5e6d81;--pale:#f2f6fc;--line:#dfe7f1;--green:#17824b;--white:#fff;--radius:18px;--shadow:0 12px 32px rgba(15,49,94,.08)}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:78px}body{margin:0;font-family:system-ui,-apple-system,"Segoe UI",Roboto,"Noto Sans","Noto Sans Tamil",sans-serif;color:var(--ink);line-height:1.55;background:#fff}a{color:inherit}p{margin:0 0 10px;color:var(--muted)}h1,h2,h3,h4{line-height:1.2;margin:0 0 10px;letter-spacing:-.025em}h1{font-size:clamp(2.25rem,5vw,4.2rem)}h2{font-size:clamp(1.7rem,3vw,2.5rem)}h3{font-size:1.2rem}h4{font-size:1rem}.container{width:min(1160px,calc(100% - 36px));margin-inline:auto}.section{padding:48px 0}.section-head{max-width:760px;margin:0 auto 24px;text-align:center}.eyebrow{font-size:.77rem;text-transform:uppercase;letter-spacing:.13em;font-weight:800;color:var(--blue);margin-bottom:8px}.section-head p{max-width:690px;margin:0 auto}.topbar{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.96);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}.nav{min-height:68px;display:flex;align-items:center;justify-content:space-between;gap:20px}.brand{display:flex;align-items:center;gap:10px;text-decoration:none;min-width:0}.brand-logo{display:block;width:190px;height:64px;object-fit:contain;object-position:left center;flex:none;border-radius:10px}.footer .brand-logo{width:250px;height:100px;object-fit:contain;object-position:left center;background:#fff;border-radius:12px;padding:3px}.brand-copy{display:flex;flex-direction:column;line-height:1.12}.brand-copy strong{font-size:1.02rem;white-space:nowrap}.brand-copy span{font-size:.72rem;color:var(--muted);margin-top:4px}.nav-links{display:flex;align-items:center;gap:18px}.nav-links>a:not(.btn){font-size:.88rem;text-decoration:none;color:#41536b;font-weight:650;white-space:nowrap}.btn{display:inline-flex;align-items:center;justify-content:center;white-space:nowrap;flex-shrink:0;border-radius:999px;padding:11px 17px;font-size:.9rem;font-weight:800;text-decoration:none;border:1px solid transparent;transition:transform .15s,background .15s}.btn:hover{transform:translateY(-1px)}.btn-primary{background:var(--blue);color:#fff}.btn-outline{border-color:#cbd8e9;color:var(--blue);background:#fff}.hero{padding:52px 0 34px;background:radial-gradient(circle at 82% 12%,#dceaff 0,transparent 31%),linear-gradient(180deg,#f7faff 0%,#fff 100%)}.hero-grid{display:grid;grid-template-columns:1.08fr .92fr;gap:36px;align-items:center}.hero-copy .eyebrow{display:inline-flex;align-items:center;gap:7px;padding:7px 11px;border-radius:999px;background:#e6efff}.hero h1 span{color:var(--blue)}.hero-copy>p{font-size:1.08rem;max-width:610px;margin:15px 0 20px}.hero-actions{display:flex;gap:10px;flex-wrap:wrap}.free-note{font-size:.83rem;margin-top:12px;color:#52637b}.hero-visual{border-radius:26px;background:linear-gradient(145deg,#0a3f91,#164fa1);padding:22px;box-shadow:0 20px 48px #0a3f912b;color:#fff;position:relative;overflow:hidden}.hero-visual:after{content:"";position:absolute;width:230px;height:230px;border:1px solid #ffffff25;border-radius:50%;right:-85px;top:-100px}.dashboard-top{display:flex;justify-content:space-between;align-items:center;gap:10px;margin-bottom:18px}.dashboard-top strong{font-size:1.04rem}.live-pill{font-size:.72rem;padding:5px 9px;border-radius:999px;background:#ffffff20}.mini-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:9px}.mini-stat{padding:13px 11px;border-radius:14px;background:#ffffff12;border:1px solid #ffffff20}.mini-stat strong{display:block;font-size:1.25rem}.mini-stat span{font-size:.72rem;color:#dce8ff}.progress-panel{margin-top:12px;padding:16px;border-radius:15px;background:#fff;color:var(--ink)}.progress-row{display:flex;justify-content:space-between;gap:10px;font-size:.83rem;margin-bottom:9px}.bar{height:8px;border-radius:99px;background:#e7edf6;overflow:hidden;margin-bottom:12px}.bar span{display:block;height:100%;border-radius:99px;background:#20a36b}.bar.blue span{background:#0a3f91}.trust-strip{padding:20px 0 28px}.trust-head{text-align:center;font-size:.78rem;color:var(--muted);font-weight:750;margin-bottom:12px}.stats-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.stat-card{display:flex;align-items:center;gap:15px;padding:17px 20px;border:1px solid var(--line);border-radius:17px;background:#fff;box-shadow:0 5px 18px #102f5707}.stat-icon{width:48px;height:48px;flex:none;display:grid;place-items:center;background:#eaf1ff;border-radius:14px;font-size:1.4rem}.stat-number{font-size:1.7rem;line-height:1.1;font-weight:900;color:var(--blue);letter-spacing:-.04em}.stat-label{font-size:.86rem;font-weight:750;color:#33445b;margin-top:4px}.stat-sub{font-size:.73rem;color:var(--muted)}.cards{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}.card{padding:20px;border:1px solid var(--line);border-radius:var(--radius);background:#fff;box-shadow:0 4px 18px #102f5705}.card p{font-size:.92rem;line-height:1.55}.icon{width:43px;height:43px;border-radius:13px;display:grid;place-items:center;background:#edf3ff;font-size:1.35rem;margin-bottom:13px}.soft{background:var(--pale)}.two-col{display:grid;grid-template-columns:1fr 1fr;gap:18px}.panel{padding:24px;border:1px solid var(--line);border-radius:20px;background:#fff}.panel h3{margin-bottom:14px}.checklist{list-style:none;margin:0;padding:0;display:grid;gap:10px}.checklist li{display:flex;gap:10px;align-items:flex-start;font-size:.92rem;color:#43536a}.check{display:inline-grid;place-items:center;flex:none;width:21px;height:21px;border-radius:50%;background:#e3f6eb;color:var(--green);font-weight:900;font-size:.8rem}.independent{margin-top:22px;border:1px solid #d4e2f7;background:linear-gradient(135deg,#eef4ff,#fff 72%);padding:24px;border-radius:22px}.independent-intro{display:flex;align-items:flex-start;gap:14px;margin-bottom:18px}.independent-mark{width:48px;height:48px;display:grid;place-items:center;flex:none;border-radius:14px;background:var(--blue);color:#fff;font-size:1.4rem}.independent-intro p{max-width:800px}.independent-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}.independent-item{padding:16px;background:#fff;border:1px solid #e0e9f6;border-radius:15px}.independent-item .icon{margin-bottom:8px}.independent-item p{font-size:.84rem;margin:0}.privacy-band{background:#0b2f68;color:#fff;padding:25px 0}.privacy-content{display:flex;align-items:center;justify-content:space-between;gap:24px}.privacy-content p{color:#dce8fa;max-width:790px;margin:0}.privacy-content h2{font-size:1.5rem}.history-years{display:flex;gap:8px;flex-wrap:wrap;margin-top:15px}.year{padding:6px 10px;border-radius:99px;background:#f4f7fc;border:1px solid var(--line);font-size:.75rem;font-weight:750;color:#506078}.year.current{background:#e3f6eb;color:#197144;border-color:#c5e9d3}.cta-band{padding:35px 0;background:#eef4ff}.cta-box{display:flex;justify-content:space-between;align-items:center;gap:20px}.cta-box p{margin:0}.footer{background:#0b1c33;color:#fff;padding:28px 0 20px}.footer-grid{display:flex;justify-content:space-between;gap:24px;align-items:flex-start}.footer p,.footer a,.footer small{color:#c4d0e0}.footer a{font-size:.9rem}.footer-support{font-size:.9rem;line-height:1.55;color:#c4d0e0;margin-top:8px}.footer-support span,.footer-support a{font:inherit;color:inherit}.footer-support a{text-decoration:underline;text-underline-offset:2px;overflow-wrap:anywhere}.footer-bottom{border-top:1px solid #ffffff20;margin-top:20px;padding-top:15px;font-size:.78rem;color:#aebdd0}.faq{max-width:850px;margin:0 auto}.faq details{border-bottom:1px solid var(--line);padding:14px 2px}.faq summary{cursor:pointer;font-weight:800;color:#253952}.faq details p{padding-top:9px;font-size:.92rem}
@media(max-width:900px){.nav-links{gap:11px}.nav-links>a:not(.btn){display:none}.hero-grid{grid-template-columns:1fr  .85fr;gap:22px}.cards{grid-template-columns:repeat(2,minmax(0,1fr))}.independent-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:650px){.container{width:calc(100% - 28px)}.nav{min-height:62px}.brand-logo{width:150px;height:50px}.footer .brand-logo{width:210px;height:84px}.brand-copy strong{font-size:.92rem}.brand-copy span{font-size:.68rem}.nav-links{gap:0}.nav .btn{padding:9px 12px;font-size:.79rem}.hero{padding:34px 0 24px}.hero-grid{grid-template-columns:1fr}.hero h1{font-size:2.45rem}.hero-copy>p{font-size:1rem}.hero-visual{padding:16px}.section{padding:32px 0}.section-head{margin-bottom:18px}.stats-grid{grid-template-columns:1fr;gap:9px}.stat-card{padding:13px 15px}.stat-number{font-size:1.45rem}.cards,.two-col{grid-template-columns:1fr}.card,.panel{padding:17px}.independent{padding:17px}.independent-grid{grid-template-columns:1fr 1fr}.independent-item{padding:13px}.privacy-content,.cta-box,.footer-grid{flex-direction:column;align-items:flex-start}.privacy-content h2{font-size:1.3rem}.cta-box .btn{align-self:stretch}.footer{padding-top:24px}.mini-stat{padding:10px 8px}.mini-stat strong{font-size:1.1rem}.mini-stat span{font-size:.67rem}}
@media(max-width:390px){.independent-grid{grid-template-columns:1fr}.hero h1{font-size:2.15rem}.brand-copy span{display:none}.hero-actions .btn{width:100%}}

.family-delegation{margin-top:26px;padding:clamp(20px,3vw,32px);border:1px solid #d7e3f5;border-radius:24px;background:linear-gradient(135deg,#f0f5ff 0%,#fff 65%);box-shadow:var(--shadow)}.family-delegation-head{text-align:center;max-width:780px;margin:0 auto 24px}.family-delegation-head h3{font-size:clamp(1.35rem,2.4vw,1.8rem);color:var(--blue);margin-bottom:8px}.family-delegation-head p{margin:0}.family-flow{display:grid;grid-template-columns:1fr 52px 1fr 52px 1.15fr;gap:10px;align-items:center;margin-bottom:24px}.family-node{height:100%;min-height:116px;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;gap:8px;padding:18px 12px;border:1px solid #d9e4f4;border-radius:17px;background:#fff}.family-node.primary{background:var(--blue);border-color:var(--blue);color:#fff;box-shadow:0 10px 24px #0a3f9126}.family-node .family-emoji{font-size:1.65rem}.family-node strong{font-size:1rem}.family-node span:last-child{font-size:.82rem;color:var(--muted)}.family-node.primary span:last-child{color:#dce8ff}.family-arrow{text-align:center;color:var(--blue);font-size:1.8rem;font-weight:900}.sibling-list{display:grid;gap:7px;width:100%;margin-top:2px}.sibling{padding:7px 10px;border-radius:10px;background:#edf3ff;color:#243b5a;font-size:.85rem;font-weight:750}.family-details{display:grid;grid-template-columns:.85fr 1.15fr;gap:18px;align-items:stretch}.family-callout{padding:20px;border-radius:17px;background:#e5eeff;border:1px solid #d0dfff}.family-callout h4{font-size:1.05rem;color:var(--blue);margin-bottom:8px}.family-callout p{font-size:.9rem;margin:0}.family-checks{padding:20px;background:#fff;border:1px solid var(--line);border-radius:17px}.family-checks .checklist{gap:11px}.family-checks .checklist li{font-size:.88rem}
@media(max-width:760px){.family-flow{grid-template-columns:1fr;gap:8px}.family-node{min-height:auto;padding:15px}.family-arrow{transform:rotate(90deg);font-size:1.5rem;line-height:1.1}.family-details{grid-template-columns:1fr}}

/* ---- Added for the live site (CSP: no inline styles) ---- */
.skip-link{position:absolute;left:-999px;top:8px;background:#fff;color:var(--blue);padding:8px 12px;border-radius:8px;z-index:50;font-weight:800}.skip-link:focus{left:8px}
a:focus-visible,summary:focus-visible{outline:3px solid #7fb0ff;outline-offset:2px;border-radius:8px}
.nav-actions{display:flex;align-items:center;gap:8px}
.bar span.w83{width:83%}.bar span.w72{width:72%}
.preview-note{font-size:.76rem;color:#607087;margin-top:4px}
.privacy-band .eyebrow{color:#a9caff}.btn-white{background:#fff;color:#0a3f91}
.footer .brand{color:#fff}.footer-about{margin-top:12px;max-width:440px}.footer-links{margin-top:8px}
.footer-cols{display:flex;gap:48px;flex-wrap:wrap}
.section-actions{display:flex;justify-content:center;gap:10px;flex-wrap:wrap;margin-top:22px}
.independent-actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:18px}
.faq a{color:var(--blue);font-weight:700}
.start-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:6px}
.start-card{padding:22px;border:1px solid #d4e2f7;border-radius:20px;background:#fff;box-shadow:var(--shadow);display:flex;flex-direction:column;gap:6px}
.start-card .icon{margin-bottom:6px}.start-card p{font-size:.92rem}
.start-actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:auto;padding-top:8px}
.signed-in-note{text-align:center;margin-top:14px;font-size:.9rem}
.signed-in-note a{color:var(--blue);font-weight:800}
.cta-band .section-head{margin-bottom:18px}
@media(max-width:650px){.start-grid{grid-template-columns:1fr}.start-actions .btn{flex:1}.footer-cols{gap:22px}.nav-actions{gap:6px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.btn{transition:none}.btn:hover{transform:none}}
.card p a{color:var(--blue);font-weight:700}
.footer .brand-logo{width:auto;height:110px;aspect-ratio:1}
@media(max-width:650px){.hide-sm{display:none}.brand{flex:1 1 auto}.brand-logo{width:100%;max-width:150px;height:auto;aspect-ratio:220/64}.nav-actions{flex:none}.footer .brand-logo{width:auto;height:96px}}