:root{--navy:#0f2347;--deep:#0a1830;--ink-navy:#132a52;--paper:#f4f6fa;--white:#fff;--silver:#c9d3e3;--sky:#9fb4d6;--accent:#e3b04b;--ink:#141c2b;--muted:#5a6478;--line:#e1e6ef;--ok:#1d7a4c;--no:#a3372c}
*{box-sizing:border-box}html{scroll-behavior:smooth}
body{margin:0;font:17px/1.65 "Segoe UI",system-ui,-apple-system,Arial,sans-serif;color:var(--ink);background:var(--paper)}
a{color:var(--ink-navy)}img{max-width:100%;display:block}
.wrap{max-width:1120px;margin:0 auto;padding:0 20px}
h1,h2,h3{font-family:Georgia,"Times New Roman",serif;line-height:1.15;margin:0 0 .45em;letter-spacing:-.01em}
h2{font-size:clamp(28px,4vw,40px)}

/* header */
header.top{background:var(--deep);color:#fff;position:sticky;top:0;z-index:10;border-bottom:1px solid #ffffff14}
header.top .wrap{display:flex;align-items:center;justify-content:space-between;gap:12px;min-height:70px}
.brand{display:flex;align-items:center;gap:12px;color:#fff;text-decoration:none}
.brand img{width:44px;height:44px;border-radius:10px}
.brand b{display:block;font:700 18px/1.1 Georgia,serif;letter-spacing:.12em;text-transform:uppercase}
.brand small{display:block;font-size:11px;letter-spacing:.28em;color:var(--sky);text-transform:uppercase;margin-top:3px}
nav{display:flex;align-items:center;gap:4px}
nav a{color:#dbe3f1;text-decoration:none;font-size:15px;padding:8px 10px;border-radius:8px}
nav a:hover{color:#fff;background:#ffffff12}
nav a.nav-cta{background:var(--accent);color:var(--deep);font-weight:700;margin-left:8px}
nav a.nav-cta:hover{background:#f0c066;color:var(--deep)}

/* hero */
.hero{color:#fff;padding:76px 0 84px;position:relative;overflow:hidden;
  background:radial-gradient(ellipse at 70% 30%,#2b4f8a 0%,#14305f 38%,var(--navy) 62%,var(--deep) 100%)}
.hero:before{content:"";position:absolute;inset:0;opacity:.18;
  background-image:linear-gradient(#ffffff22 1px,transparent 1px),linear-gradient(90deg,#ffffff22 1px,transparent 1px);background-size:54px 54px}
.hero .wrap{position:relative;z-index:1;display:grid;grid-template-columns:1.25fr .75fr;gap:40px;align-items:center}
.eyebrow{display:inline-block;border:1px solid #ffffff40;color:var(--silver);font-weight:600;font-size:12.5px;letter-spacing:.18em;padding:6px 14px;border-radius:30px;text-transform:uppercase}
.hero h1{font-size:clamp(36px,5.6vw,62px);margin:18px 0 16px}
.hero h1 em{font-style:normal;color:var(--accent)}
.hero p.lead{font-size:19px;color:#d3dcee;max-width:600px;margin:0 0 28px}
.hero-mark{justify-self:center;width:min(340px,80%);border-radius:28px;box-shadow:0 30px 70px #00000066,0 0 0 1px #ffffff1f}
.chips{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px;padding:0;list-style:none}
.chips li{font-size:14px;color:#dbe3f1;background:#ffffff12;border:1px solid #ffffff22;padding:6px 12px;border-radius:20px}

/* buttons */
.btn{display:inline-flex;align-items:center;gap:8px;padding:13px 22px;border-radius:40px;font-weight:700;text-decoration:none;margin:0 10px 10px 0;font-size:16px;border:2px solid transparent;transition:transform .15s,filter .15s}
.btn:hover{transform:translateY(-1px);filter:brightness(1.06)}
.btn.gold{background:var(--accent);color:var(--deep)}
.btn.ghost{border-color:#ffffffaa;color:#fff}
.btn.navy{background:var(--navy);color:#fff}
.btn.line{border-color:var(--navy);color:var(--navy)}

/* sections */
section{padding:72px 0}section.alt{background:var(--white)}
.section-head{max-width:720px;margin-bottom:36px}.section-head p{color:var(--muted);margin:0}
.kicker{display:block;font-size:12.5px;font-weight:700;letter-spacing:.2em;text-transform:uppercase;color:#3b5f9e;margin-bottom:10px}
.grid{display:grid;gap:20px;grid-template-columns:repeat(auto-fit,minmax(240px,1fr))}
.card{background:var(--white);border-radius:16px;padding:26px;border:1px solid var(--line);box-shadow:0 2px 12px #0f234710}
section.alt .card{background:var(--paper)}
.card h3{font-size:21px}.card p{color:var(--muted);margin:0}
.icon{width:48px;height:48px;border-radius:12px;background:var(--navy);color:#fff;display:flex;align-items:center;justify-content:center;font-size:22px;margin-bottom:16px}
.card .tag{display:inline-block;margin-top:14px;font-size:13px;color:#3b5f9e;font-weight:600}

/* steps */
.steps{counter-reset:s}
.steps .card:before{counter-increment:s;content:counter(s);display:flex;width:44px;height:44px;border-radius:50%;background:var(--navy);color:#fff;font:700 21px Georgia,serif;align-items:center;justify-content:center;margin-bottom:14px}

/* IELTS band */
.ielts{display:grid;grid-template-columns:1fr 1fr;gap:28px;align-items:center}
.ielts .panel{background:var(--navy);color:#fff;border-radius:20px;padding:34px;position:relative;overflow:hidden}
.ielts .panel h3{font-size:26px}
.ielts .panel p{color:#d3dcee}
.ielts ul{margin:0;padding:0;list-style:none}
.ielts li{padding:12px 0 12px 34px;border-bottom:1px solid var(--line);position:relative;color:var(--ink)}
.ielts li:before{content:"✓";position:absolute;left:0;top:11px;width:24px;height:24px;border-radius:50%;background:#e6edf8;color:var(--navy);font-weight:700;display:flex;align-items:center;justify-content:center;font-size:13px}
.band{display:flex;gap:8px;margin:18px 0 22px}
.band span{flex:1;text-align:center;padding:10px 0;border-radius:10px;background:#ffffff14;font:700 18px Georgia,serif;color:var(--silver)}
.band span.on{background:var(--accent);color:var(--deep)}

/* promise */
.promise{display:grid;gap:20px;grid-template-columns:1fr 1fr}
.promise .card ul{margin:0;padding-left:20px;color:var(--muted)}.promise .card li{margin:7px 0}
.ok h3{color:var(--ok)}.no h3{color:var(--no)}
.note{margin-top:18px;color:var(--muted);font-size:15px}

/* resources */
.tips{display:grid;gap:18px;grid-template-columns:repeat(auto-fit,minmax(220px,1fr))}
.tips img{border-radius:14px;box-shadow:0 6px 20px #0f234722}

/* faq */
.faq{max-width:820px}
.faq details{background:var(--white);border:1px solid var(--line);border-radius:14px;padding:4px 22px;margin-bottom:12px}
.faq summary{cursor:pointer;font-weight:700;padding:16px 0;list-style:none;display:flex;justify-content:space-between;gap:16px}
.faq summary::-webkit-details-marker{display:none}
.faq summary:after{content:"+";font-size:22px;line-height:1;color:#3b5f9e}
.faq details[open] summary:after{content:"–"}
.faq details p{margin:0 0 18px;color:var(--muted)}

/* cta */
.cta{background:radial-gradient(ellipse at 80% 0%,#2b4f8a,var(--navy) 60%);color:#fff;border-radius:24px;padding:48px 40px;text-align:center}
.cta p{color:#d3dcee;max-width:620px;margin:0 auto 24px}
.socials{display:flex;flex-wrap:wrap;justify-content:center;gap:10px;margin-top:8px}
.socials a{color:#fff;text-decoration:none;font-size:15px;border:1px solid #ffffff40;padding:8px 14px;border-radius:20px}
.socials a:hover{background:#ffffff14}

/* footer */
footer{background:var(--deep);color:#aebbd4;padding:38px 0;font-size:15px}
footer .wrap{display:flex;flex-wrap:wrap;justify-content:space-between;gap:16px}
footer a{color:#dbe3f1;margin-right:16px}

/* sub pages */
.doc{max-width:780px;margin:0 auto;padding:48px 20px 64px}.doc h1{font-size:40px}.doc h2{font-size:24px;margin-top:32px}
.doc p,.doc li{color:#2b3346}.doc .updated{color:var(--muted)}
.download{display:grid;gap:22px;grid-template-columns:repeat(auto-fit,minmax(260px,1fr))}
.hero.slim .wrap{display:block}

/* mobile */
@media(max-width:860px){
  .hero .wrap{grid-template-columns:1fr}.hero-mark{display:none}
  .ielts,.promise{grid-template-columns:1fr}
  nav a:not(.nav-cta){display:none}
}
@media(max-width:520px){
  .hero{padding:52px 0 60px}section{padding:56px 0}
  .brand small{display:none}.brand b{font-size:15px}
  .cta{padding:36px 22px}.btn{width:100%;justify-content:center;margin-right:0}
}

/* Enquiry form */
section[id]{scroll-margin-top:90px}
.lead-form{max-width:820px;background:var(--white);border:1px solid var(--line);border-radius:16px;padding:28px}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.lead-form label{display:block;font-weight:600;margin-bottom:20px}
.lead-form input:not([type=checkbox]),.lead-form select,.lead-form textarea{display:block;width:100%;margin-top:6px;padding:12px;border:1px solid #75839b;border-radius:8px;background:#fff;color:var(--ink);font:inherit}
.lead-form textarea{resize:vertical}
.lead-form .form-consent{display:flex;align-items:flex-start;gap:10px;font-size:15px;font-weight:400}
.form-consent input{margin-top:6px;flex-shrink:0;width:18px;height:18px}
.form-note{font-size:14px;color:var(--muted)}
button.btn{font-family:inherit;cursor:pointer}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:3px solid #477bc4;outline-offset:3px}
@media(max-width:600px){.form-grid{grid-template-columns:1fr;gap:0}.lead-form{padding:20px}}

/* service pages + linked card titles */
.card h3 a{color:inherit;text-decoration:none}.card h3 a:hover{text-decoration:underline}
.crumbs{font-size:14px;color:var(--silver);margin-bottom:14px}.crumbs a{color:var(--silver)}
.page-body{max-width:820px}.page-body h2{margin-top:40px}.page-body ul{padding-left:22px;color:var(--ink)}.page-body li{margin:8px 0}
.page-body p{color:#2b3346}.callout{background:var(--white);border:1px solid var(--line);border-left:4px solid var(--navy);border-radius:12px;padding:18px 22px;margin:28px 0}
.related{display:grid;gap:14px;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));margin-top:18px}.related a{display:block;background:var(--white);border:1px solid var(--line);border-radius:12px;padding:16px 18px;text-decoration:none;font-weight:600}
.footer-links{display:flex;flex-wrap:wrap;gap:6px 16px;margin-top:10px}

/* study guides */
.article code{font:15px/1.5 Consolas,"Courier New",monospace;background:#eef2f8;border-radius:6px;padding:2px 6px;display:inline;word-break:break-word}
.article ol{padding-left:22px}.article ol li{margin:10px 0}.article h3{font-size:20px;margin-top:22px}
.guide-meta{color:var(--silver);font-size:14px;margin-top:-8px}

/* ===== interactive guides ===== */
.read-progress{position:fixed;top:0;left:0;right:0;height:4px;z-index:50;background:transparent}
.read-progress span{display:block;height:100%;width:0;background:linear-gradient(90deg,var(--accent,#e3b04b),#e3b04b);transition:width .1s linear}
.guide-hero{background:radial-gradient(ellipse at 75% 20%,color-mix(in srgb,var(--accent,#2b4f8a) 70%,#14305f) 0%,#14305f 40%,var(--navy) 65%,var(--deep) 100%)}
.takeaways{background:linear-gradient(135deg,#fff8e8,#fff);border:1px solid #f0dfb5;border-radius:16px;padding:20px 24px;margin:0 0 22px}
.takeaways h2{font-size:22px;margin:0 0 8px}.takeaways ul{margin:0}.takeaways li{margin:6px 0}
.toc{background:var(--white);border:1px solid var(--line);border-radius:14px;padding:16px 22px;margin-bottom:28px}
.toc b{font-size:13px;letter-spacing:.14em;text-transform:uppercase;color:#3b5f9e}.toc ol{margin:8px 0 0;padding-left:20px;columns:2;column-gap:28px}
.toc li{margin:4px 0;break-inside:avoid}.toc a{text-decoration:none}.toc a:hover{text-decoration:underline}
.tool{position:relative;background:var(--white);border:1px solid var(--line);border-radius:20px;padding:26px 26px 22px;margin:30px 0;box-shadow:0 10px 30px #0f23471a}
.tool h3{font-size:24px;margin-bottom:6px}.tool>p{color:var(--muted)}
.tool-tag{position:absolute;top:-12px;left:22px;background:var(--navy);color:#fff;font-size:12px;font-weight:700;letter-spacing:.12em;text-transform:uppercase;padding:5px 12px;border-radius:20px}
.tool-actions{display:flex;flex-wrap:wrap;gap:8px;margin:16px 0 0}.tool-actions .btn{margin:0}
.tool .btn.line{background:transparent}.tool-note{font-size:13px;color:var(--muted);margin:12px 0 0}
/* flow map */
.flow{list-style:none;padding:0;margin:18px 0 4px;display:grid;grid-template-columns:repeat(6,1fr);gap:10px;counter-reset:f}
.flow li{position:relative;background:#eef3fb;border-radius:12px;padding:14px 10px;text-align:center;counter-increment:f}
.flow li:before{content:counter(f);display:block;font:700 13px Georgia,serif;color:#3b5f9e;margin-bottom:4px}
.flow li b{display:block;font-size:15px}.flow li span{display:block;font-size:12.5px;color:var(--muted);margin-top:4px}
.flow li:not(:last-child):after{content:"→";position:absolute;right:-11px;top:50%;transform:translateY(-50%);color:#3b5f9e;font-weight:700}
.flow li.gap{background:#fff3d6;outline:2px solid var(--accent,#e3b04b)}
/* matrix */
.mx-wrap{overflow-x:auto;margin-top:12px}.mx-wrap table{border-collapse:collapse;min-width:560px;width:100%}
.mx-wrap th,.mx-wrap td{border:1px solid var(--line);padding:10px;min-width:120px;vertical-align:top;font-size:15px}
.mx-wrap th{background:#eef3fb;text-align:left}.mx-wrap td:first-child{font-weight:600;background:#fafbfd}
.mx-wrap [contenteditable]:focus{outline:2px solid #3b5f9e;outline-offset:-2px;background:#fff}
/* reference builder */
.rb-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:12px;margin-top:14px}
.rb-grid label{display:flex;flex-direction:column;font-size:14px;font-weight:600;gap:5px}
.rb-grid input,.rb-grid select{font:16px "Segoe UI",system-ui,sans-serif;padding:10px 12px;border:1px solid #cbd4e2;border-radius:10px;background:#fff}
.rb-grid [hidden]{display:none}
.rb-result{margin-top:18px;background:var(--navy);color:#fff;border-radius:14px;padding:18px 20px}
.rb-result small{display:block;font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:var(--sky)}
.rb-result p{margin:4px 0 14px;font-size:17px;color:#fff;word-break:break-word}.rb-result .btn{margin:0}
/* IELTS timer */
.tm-face{display:flex;align-items:baseline;justify-content:space-between;gap:12px;background:var(--navy);color:#fff;border-radius:16px;padding:20px 24px;margin-top:14px}
.tm-face span{font-size:18px;color:var(--silver)}.tm-face b{font:700 54px/1 Georgia,serif;font-variant-numeric:tabular-nums}
.tm-steps{list-style:none;padding:0;margin:14px 0 0;display:grid;grid-template-columns:repeat(6,1fr);gap:6px}
.tm-steps li{text-align:center;font-size:13px;padding:8px 4px;border-radius:8px;background:#eef3fb;color:var(--muted)}
.tm-steps li.on{background:var(--accent,#1d7a4c);color:#fff;font-weight:700}.tm-steps li.done{background:#d9efe3;color:#1d7a4c;text-decoration:line-through}
/* quiz */
.quiz .q{border-top:1px solid var(--line);padding:16px 0}.quiz .q:first-of-type{border-top:0}
.quiz .q>p{margin:0 0 10px;color:var(--ink)}.opts{display:flex;flex-wrap:wrap;gap:8px}
.opts button{font:600 15px "Segoe UI",system-ui,sans-serif;padding:10px 16px;border-radius:30px;border:2px solid #cbd4e2;background:#fff;cursor:pointer;color:var(--ink)}
.opts button:hover:not(:disabled){border-color:var(--navy)}
.opts button.right{background:#1d7a4c;border-color:#1d7a4c;color:#fff}.opts button.wrong{background:#a3372c;border-color:#a3372c;color:#fff}
.opts button:disabled{cursor:default}.why{margin:10px 0 0;background:#f4f7fc;border-radius:10px;padding:10px 14px;font-size:15px}
.quiz-score{font-weight:700;font-size:18px;color:var(--navy);margin:8px 0 0}
/* hub cards */
.guide-grid{display:grid;gap:20px;grid-template-columns:repeat(auto-fit,minmax(280px,1fr))}
.guide-card{position:relative;display:flex;flex-direction:column;background:var(--white);border:1px solid var(--line);border-top:6px solid var(--accent);border-radius:18px;padding:26px;text-decoration:none;color:var(--ink);box-shadow:0 6px 20px #0f234714;transition:transform .15s,box-shadow .15s}
.guide-card:hover{transform:translateY(-4px);box-shadow:0 16px 36px #0f234726}
.gc-emoji{font-size:40px;line-height:1}.gc-badge{position:absolute;top:22px;right:22px;font-size:12px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;background:#eef3fb;color:#3b5f9e;padding:4px 10px;border-radius:20px}
.guide-card h3{font-size:23px;margin:14px 0 8px}.guide-card p{color:var(--muted);margin:0 0 14px;flex:1}
.gc-tool{font-size:14px;font-weight:600;color:var(--accent)}.gc-go{margin-top:12px;font-weight:700;color:var(--navy)}
@media(max-width:860px){.flow{grid-template-columns:repeat(3,1fr)}.flow li:nth-child(3n):after{display:none}.toc ol{columns:1}.tm-steps{grid-template-columns:repeat(3,1fr)}}
@media(max-width:520px){.flow{grid-template-columns:1fr 1fr}.flow li:after{display:none}.tm-face b{font-size:42px}.tool{padding:24px 18px 18px}}
nav.toc{display:block}nav.toc a{color:var(--ink-navy);padding:0;font-size:16px;border-radius:0;background:none}nav.toc a:hover{color:var(--navy);background:none;text-decoration:underline}
nav.toc b{display:block}nav.toc a:not(.nav-cta){display:inline}