*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:96px}
body{margin:0;background:var(--bg);color:var(--text);font-family:var(--font-body);font-size:17px;line-height:1.6;-webkit-font-smoothing:antialiased}
body.nav-open{overflow:hidden}
img,svg{max-width:100%}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4{font-family:var(--font-head);line-height:1.15;margin:0 0 .5em}
p{margin:0 0 1em}
:focus-visible{outline:3px solid var(--accent);outline-offset:3px;border-radius:4px}
.container{width:min(1160px,100% - 40px);margin-inline:auto}
.section{padding:96px 0}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font:inherit;font-weight:700;padding:14px 26px;border:2px solid transparent;border-radius:var(--btn-radius,10px);background:var(--accent);color:var(--accent-ink);cursor:pointer;transition:transform .25s,box-shadow .25s,background .25s}
.btn:hover{transform:translateY(-2px);box-shadow:0 10px 24px -8px var(--shadow,rgba(0,0,0,.3))}
.btn-outline{background:transparent;border-color:currentColor;color:inherit}

/* Header */
.site-header{position:sticky;top:0;z-index:50;background:var(--nav-bg);transition:box-shadow .3s,background .3s}
.site-header.scrolled{box-shadow:0 6px 24px -12px rgba(0,0,0,.25)}
.header-inner{display:flex;align-items:center;gap:28px;height:78px}
.brand{display:flex;align-items:center;gap:10px;font-family:var(--font-head);font-weight:800;font-size:1.3rem;margin-right:auto;white-space:nowrap}
.main-nav ul{display:flex;gap:30px;list-style:none;margin:0;padding:0}
.main-nav a{font-weight:600;position:relative;padding:6px 0}
.main-nav a::after{content:"";position:absolute;left:0;bottom:0;height:2px;width:100%;background:var(--accent);transform:scaleX(0);transform-origin:left;transition:transform .3s}
.main-nav a:hover::after,.main-nav a[aria-current="page"]::after{transform:scaleX(1)}
.nav-toggle{display:none}
@media (max-width:920px){
  .nav-toggle{display:flex;flex-direction:column;gap:5px;background:none;border:0;padding:10px;cursor:pointer;color:inherit}
  .nav-toggle span{display:block;width:24px;height:2px;background:currentColor;transition:transform .3s,opacity .3s}
  .nav-toggle.active span:nth-child(1){transform:translateY(7px) rotate(45deg)}
  .nav-toggle.active span:nth-child(2){opacity:0}
  .nav-toggle.active span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
  .main-nav{position:fixed;left:0;right:0;top:78px;bottom:0;background:var(--nav-bg);transform:translateX(100%);transition:transform .4s cubic-bezier(.7,0,.2,1);overflow:auto}
  .main-nav.open{transform:none}
  .main-nav ul{flex-direction:column;gap:0;padding:16px 24px}
  .main-nav a{display:block;padding:18px 0;font-size:1.2rem;border-bottom:1px solid var(--line)}
  .main-nav a::after{display:none}
}

/* Reveal animations */
.reveal{opacity:0;transform:translateY(32px);transition:opacity .8s ease,transform .8s cubic-bezier(.2,.7,.2,1)}
.reveal.from-left{transform:translateX(-40px)}
.reveal.from-right{transform:translateX(40px)}
.reveal.zoom{transform:scale(.92)}
.reveal.in{opacity:1;transform:none}
.reveal-d1{transition-delay:.12s}.reveal-d2{transition-delay:.24s}.reveal-d3{transition-delay:.36s}.reveal-d4{transition-delay:.48s}

/* WhatsApp float */
.wa-float{position:fixed;right:22px;bottom:22px;width:60px;height:60px;border-radius:50%;background:#25D366;color:#fff;display:grid;place-items:center;z-index:60;box-shadow:0 10px 24px rgba(0,0,0,.25);animation:waPulse 2.4s infinite}
@keyframes waPulse{0%{box-shadow:0 0 0 0 rgba(37,211,102,.55)}70%{box-shadow:0 0 0 18px rgba(37,211,102,0)}100%{box-shadow:0 0 0 0 rgba(37,211,102,0)}}

/* FAQ */
.faq-item{border-bottom:1px solid var(--line)}
.faq-q{all:unset;box-sizing:border-box;display:flex;justify-content:space-between;gap:20px;width:100%;padding:22px 0;cursor:pointer;font-weight:700;font-size:1.08rem}
.faq-q:focus-visible{outline:3px solid var(--accent)}
.faq-q .pm{flex:none;width:26px;height:26px;border-radius:50%;display:grid;place-items:center;border:2px solid currentColor;transition:transform .3s;font-weight:700;line-height:1}
.faq-item.open .pm{transform:rotate(45deg)}
.faq-a{display:grid;grid-template-rows:0fr;transition:grid-template-rows .4s ease}
.faq-item.open .faq-a{grid-template-rows:1fr}
.faq-a>div{overflow:hidden}
.faq-a p{padding-bottom:22px;margin:0;color:var(--muted);max-width:70ch}

/* Forms */
.field{display:grid;gap:6px;margin-bottom:16px}
.field label{font-weight:600;font-size:.95rem}
.field input,.field select,.field textarea{font:inherit;width:100%;padding:13px 15px;border:1.5px solid var(--line);border-radius:var(--input-radius,10px);background:var(--surface);color:var(--text);transition:border-color .2s,box-shadow .2s}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 4px color-mix(in srgb,var(--accent) 18%,transparent)}
.field .invalid,.invalid{border-color:#D93025!important}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.form-status{min-height:1.5em;margin:12px 0 0;font-weight:600}
.form-status.error{color:#D93025}.form-status.success{color:#1B8A4B}
@media (max-width:640px){.form-row{grid-template-columns:1fr}}

/* Inner page hero */
.page-hero{padding:90px 0 70px}
.page-hero h1{font-size:clamp(2.2rem,5vw,3.6rem);margin-bottom:.3em}
.page-hero p{max-width:56ch;font-size:1.12rem}
.crumb{font-size:.92rem;opacity:.8;margin-bottom:14px}
.crumb a{text-decoration:underline;text-underline-offset:3px}

/* Contact */
.contact-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:48px;align-items:start}
.info-cards{display:grid;gap:16px}
.info-card{display:flex;gap:16px;align-items:flex-start;padding:22px;background:var(--surface);border:1px solid var(--line);border-radius:var(--card-radius,14px)}
.info-card .ic{flex:none;width:48px;height:48px;border-radius:var(--icon-radius,12px);display:grid;place-items:center;background:var(--accent-soft);color:var(--accent-deep,var(--accent))}
.info-card h3{font-size:1.05rem;margin:0 0 4px}
.info-card p{margin:0;color:var(--muted)}
.info-card a:hover{text-decoration:underline}
.contact-form{background:var(--surface);border:1px solid var(--line);border-radius:var(--card-radius,14px);padding:34px}
.contact-form h2{font-size:1.6rem}
@media (max-width:900px){.contact-grid{grid-template-columns:1fr}}

/* Privacy */
.legal{display:grid;grid-template-columns:240px 1fr;gap:56px;align-items:start}
.legal-toc{position:sticky;top:110px;padding:20px;border:1px solid var(--line);border-radius:var(--card-radius,14px);background:var(--surface)}
.legal-toc h2{font-size:1rem;margin-bottom:10px}
.legal-toc ol{margin:0;padding-left:20px;display:grid;gap:8px;font-size:.95rem}
.legal-toc a:hover{color:var(--accent-deep,var(--accent))}
.legal-body{max-width:72ch}
.legal-body h2{font-size:1.45rem;margin-top:1.8em;padding-top:.2em}
.legal-body h2:first-child{margin-top:0}
.legal-body p,.legal-body li{color:var(--muted)}
.legal-body ul{padding-left:22px;margin:0 0 1em}
.legal-body li{margin-bottom:6px}
.updated{display:inline-block;padding:6px 14px;border-radius:99px;background:var(--accent-soft);color:var(--accent-deep,var(--accent));font-weight:600;font-size:.9rem;margin-bottom:24px}
@media (max-width:900px){.legal{grid-template-columns:1fr}.legal-toc{position:static}}

/* Footer */
.site-footer{padding:72px 0 0}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px;padding-bottom:48px}
.site-footer h4{font-size:1.05rem;margin-bottom:14px}
.site-footer ul{list-style:none;margin:0;padding:0;display:grid;gap:10px}
.site-footer a:hover{text-decoration:underline}
.footer-bottom{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;padding:22px 0 26px;border-top:1px solid var(--footer-line,rgba(255,255,255,.15));font-size:.92rem}
@media (max-width:900px){.footer-grid{grid-template-columns:1fr 1fr}}
@media (max-width:560px){.footer-grid{grid-template-columns:1fr}}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation:none!important;transition:none!important}
  .reveal{opacity:1;transform:none}
}

:root{--bg:#FFFFFF;--text:#221A4A;--muted:#5D5885;--accent:#5B3FD6;--accent-ink:#fff;--accent-soft:#EEE9FF;--accent-deep:#5B3FD6;--surface:#fff;--line:#E4DFF7;--nav-bg:#fff;--coral:#FF7A59;--sun:#FFD84D;--lav:#F6F3FF;
--font-head:"Baloo 2","Trebuchet MS",sans-serif;--font-body:"Nunito","Segoe UI",sans-serif;--btn-radius:16px;--card-radius:24px;--icon-radius:16px;--input-radius:14px;--shadow:rgba(91,63,214,.55)}
.u-logo{width:38px;height:38px;border-radius:12px 12px 12px 4px;background:var(--coral);color:#fff;display:grid;place-items:center;font-size:1.3rem;transform:rotate(-6deg)}
.hero{position:relative;background:var(--lav);padding:70px 0 130px;overflow:hidden}
.hero-grid{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center}
.tagpill{display:inline-block;background:var(--sun);font-weight:800;padding:6px 16px;border-radius:99px;transform:rotate(-2deg)}
.hero h1{font-size:clamp(2.7rem,6vw,4.6rem);font-weight:800;line-height:1;margin:18px 0 20px}
.lead{font-size:1.2rem;color:var(--muted);max-width:44ch}
.hero-btns{display:flex;gap:14px;flex-wrap:wrap;margin-top:28px}
.btn{box-shadow:0 6px 0 #3E27A8}
.btn:hover{transform:translateY(2px);box-shadow:0 3px 0 #3E27A8}
.btn-soft{background:#fff;color:var(--accent);box-shadow:0 6px 0 #D6CCFA}
.btn-soft:hover{box-shadow:0 3px 0 #D6CCFA}
.bubbles{position:relative;height:440px}
.board{position:absolute;inset:70px 50px;background:#2E4A3F;border:12px solid #B7793F;border-radius:14px;display:grid;place-items:center;box-shadow:0 30px 50px -25px rgba(34,26,74,.5)}
.eq{font-family:var(--font-head);color:#fff;font-size:clamp(1.6rem,3vw,2.4rem);white-space:nowrap;overflow:hidden;border-right:3px solid #fff;width:0;animation:type 5s steps(12) infinite,caret .8s step-end infinite}
@keyframes type{0%{width:0}40%,85%{width:11.5ch}100%{width:0}}
@keyframes caret{50%{border-color:transparent}}
.chalk{position:absolute;right:20px;bottom:10px;font-size:1.6rem}
.bub{position:absolute;padding:10px 18px;border-radius:99px;background:#fff;font-weight:800;box-shadow:0 12px 24px -12px rgba(34,26,74,.35);animation:bob 4s ease-in-out infinite}
.b1{top:10px;left:10%;background:var(--accent);color:#fff}.b2{top:30px;right:6%;animation-delay:-.6s}.b3{top:45%;left:-10px;background:var(--sun);animation-delay:-1.2s}
.b4{top:52%;right:-8px;background:var(--coral);color:#fff;animation-delay:-1.8s}.b5{bottom:20px;left:18%;animation-delay:-2.4s}.b6{bottom:6px;right:22%;background:#17A673;color:#fff;animation-delay:-3s}.b7{top:0;left:48%;animation-delay:-3.4s}
@keyframes bob{50%{transform:translateY(-14px) rotate(3deg)}}
.wave{position:absolute;left:0;bottom:-1px;width:100%;height:90px;fill:#fff}
.center-head{text-align:center;max-width:640px;margin:0 auto 48px}
.center-head h2{font-size:clamp(2.1rem,4.5vw,3.2rem);font-weight:800;line-height:1.05}
.center-head p{color:var(--muted);font-size:1.08rem}
.subj-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.subj{background:#fff;border:2px solid var(--line);border-radius:var(--card-radius);padding:26px;transition:transform .3s,border-color .3s,box-shadow .3s}
.subj span{display:grid;place-items:center;width:58px;height:58px;border-radius:18px;background:color-mix(in srgb,var(--c) 14%,#fff);font-size:1.8rem;margin-bottom:14px;transition:transform .4s cubic-bezier(.3,1.6,.5,1)}
.subj:hover{transform:translateY(-6px) rotate(-1deg);border-color:var(--c);box-shadow:0 18px 30px -18px var(--c)}
.subj:hover span{transform:scale(1.15) rotate(-8deg)}
.subj h3{font-size:1.35rem;margin-bottom:0}
.subj p{color:var(--muted);margin:0}
.tutors-sec{background:var(--lav)}
.filters{display:flex;gap:10px;justify-content:center;flex-wrap:wrap;margin-bottom:34px}
.filt{font:inherit;font-weight:800;padding:10px 20px;border-radius:99px;border:2px solid var(--line);background:#fff;color:var(--text);cursor:pointer;transition:background .25s,color .25s,border-color .25s}
.filt[aria-pressed="true"]{background:var(--accent);color:#fff;border-color:var(--accent)}
.tutor-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.tutor{background:#fff;border-radius:var(--card-radius);padding:28px;text-align:center;transition:opacity .35s,transform .35s}
.tutor.hide{display:none}
.tutor.pop{animation:pop .45s cubic-bezier(.3,1.5,.5,1)}
@keyframes pop{from{opacity:0;transform:scale(.85)}}
.av{width:84px;height:84px;margin:0 auto 14px;border-radius:50%;background:var(--a);color:#fff;display:grid;place-items:center;font-family:var(--font-head);font-size:1.7rem;font-weight:800;box-shadow:0 0 0 6px color-mix(in srgb,var(--a) 18%,#fff)}
.tutor h3{font-size:1.35rem;margin:0}
.deg{color:var(--muted);margin:0 0 6px}
.subs{font-weight:700;color:var(--accent)}
.meta{display:flex;justify-content:center;gap:12px}
.meta span{background:var(--lav);padding:4px 12px;border-radius:99px;font-weight:700;font-size:.9rem}
.steps3{display:grid;grid-template-columns:repeat(3,1fr);gap:30px}
.st{text-align:center;padding:10px}
.st-n{display:grid;place-items:center;width:72px;height:72px;margin:0 auto 16px;border-radius:24px 24px 24px 6px;background:var(--coral);color:#fff;font-family:var(--font-head);font-size:2rem;font-weight:800;transform:rotate(-6deg)}
.st:nth-child(2) .st-n{background:var(--accent);transform:rotate(4deg)}
.st:nth-child(3) .st-n{background:#17A673;transform:rotate(-3deg)}
.st h3{font-size:1.4rem}
.st p{color:var(--muted)}
.plans-sec{background:var(--accent);color:#fff}
.plans-sec .center-head p{color:#DCD3FF}
.plans{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.plan{background:rgba(255,255,255,.1);border:2px solid rgba(255,255,255,.2);border-radius:var(--card-radius);padding:32px;transition:transform .3s}
.plan:hover{transform:translateY(-6px)}
.plan.hot{background:#fff;color:var(--text);transform:rotate(-1.5deg)}
.plan.hot:hover{transform:rotate(0) translateY(-6px)}
.plan h3{font-size:1.5rem}
.amt{font-family:var(--font-head);font-size:2.4rem;font-weight:800;margin:0}
.amt small{font-size:1rem;font-weight:600;opacity:.7}
.plan p:last-child{opacity:.85;margin:0}
.slider{max-width:760px;margin:0 auto;text-align:center}
.slides{position:relative;min-height:220px;overflow:hidden}
.slide{position:absolute;inset:0;margin:0;opacity:0;transform:translateX(30px);transition:opacity .6s,transform .6s}
.slide.active{opacity:1;transform:none;position:relative}
.slide blockquote{margin:0 0 18px;font-family:var(--font-head);font-size:clamp(1.4rem,3vw,2rem);font-weight:700;line-height:1.3}
.slide blockquote::before{content:"“";display:block;font-size:4rem;line-height:.6;color:var(--coral)}
.slide figcaption{color:var(--muted);font-weight:700}
.dots{display:flex;justify-content:center;gap:10px;margin-top:22px}
.dots button{width:12px;height:12px;border-radius:99px;border:0;background:var(--line);cursor:pointer;transition:width .3s,background .3s;padding:0}
.dots button[aria-current="true"]{width:34px;background:var(--accent)}
.cta-sec{padding:0 0 96px}
.cta-card{display:flex;justify-content:space-between;align-items:center;gap:24px;flex-wrap:wrap;background:var(--sun);border-radius:32px;padding:48px}
.cta-card h2{font-size:clamp(1.9rem,4vw,2.6rem);margin:0}
.cta-card p{margin:6px 0 0;font-weight:600}
.page-hero{background:var(--lav)}
.page-hero h1{font-weight:800}
.site-footer{background:var(--text);color:#CFCAF0}
.site-footer h4,.site-footer .brand{color:#fff}
@media (max-width:980px){.hero-grid{grid-template-columns:1fr}.subj-grid{grid-template-columns:1fr 1fr}.tutor-grid,.plans{grid-template-columns:1fr 1fr}.steps3{grid-template-columns:1fr}}
@media (max-width:600px){.subj-grid,.tutor-grid,.plans{grid-template-columns:1fr}.bubbles{height:360px}.board{inset:60px 20px}.section{padding:72px 0}.plan.hot{transform:none}}

/* Subject cards: clickable + detail modal */
.subj{position:relative;cursor:pointer}
.subj-btn{all:unset;cursor:pointer}
.subj-btn::after{content:"";position:absolute;inset:0;border-radius:inherit}
.subj:has(.subj-btn:focus-visible){outline:3px solid var(--c);outline-offset:3px}
.subj-more{display:inline-block;margin-top:12px;font-style:normal;font-weight:800;font-size:.9rem;color:var(--c);transition:transform .3s}
.subj:hover .subj-more{transform:translateX(4px)}
.subj-modal{--c:var(--accent);width:min(560px,100% - 32px);max-height:calc(100% - 32px);padding:32px;border:0;border-top:6px solid var(--c);border-radius:var(--card-radius);color:var(--text);box-shadow:0 30px 60px -20px rgba(34,26,74,.5)}
.subj-modal[open]{animation:pop .35s cubic-bezier(.3,1.5,.5,1)}
.subj-modal::backdrop{background:rgba(34,26,74,.55);backdrop-filter:blur(3px)}
.sm-close{position:absolute;top:12px;right:14px;width:40px;height:40px;border:0;border-radius:50%;background:var(--lav);color:var(--text);font-size:1.6rem;line-height:1;cursor:pointer}
.sm-close:hover{background:var(--line)}
.sm-head{display:flex;gap:16px;align-items:center;margin-bottom:8px;padding-right:40px}
.sm-ic{flex:none;display:grid;place-items:center;width:64px;height:64px;border-radius:18px;background:color-mix(in srgb,var(--c) 14%,#fff);font-size:2rem}
.sm-head h3{font-size:1.7rem;margin:0}
.sm-tag{color:var(--muted);margin:0}
.subj-modal h4{font-size:1.05rem;margin:22px 0 10px}
.sm-chips{display:flex;flex-wrap:wrap;gap:8px;list-style:none;margin:0;padding:0}
.sm-chips li{padding:5px 14px;border-radius:99px;background:color-mix(in srgb,var(--c) 12%,#fff);font-weight:700;font-size:.92rem}
.sm-list{display:grid;grid-template-columns:1fr 1fr;gap:8px 18px;list-style:none;margin:0;padding:0}
.sm-list li{position:relative;padding-left:24px;color:var(--muted)}
.sm-list li::before{content:"✓";position:absolute;left:0;color:var(--c);font-weight:800}
.sm-boards{color:var(--muted);margin:0}
.sm-mode{margin:22px 0 0;padding:12px 16px;border-radius:14px;background:var(--lav);font-weight:700;font-size:.95rem}
.sm-btns{display:flex;gap:12px;flex-wrap:wrap;margin-top:24px}
.sm-btns .btn{flex:1 1 200px}
@media (max-width:560px){.subj-modal{padding:24px 20px}.sm-list{grid-template-columns:1fr}}