/* Layout: single scrolling page, 1120px column, credential panel beside the hero, then subjects, results, pricing, steps, FAQ, enquiry form */
:root{
  --bg:#F6F9FC; --surface:#FFFFFF; --tint:#EAF3FB; --line:#D6E3F0;
  --ink:#0E2A47; --muted:#4A6178; --sky:#74ACDF; --accent:#2F6EA8;
  --btn-bg:#0E2A47; --btn-fg:#FFFFFF; --ok:#1F7A4D;
  --display:'Sora',system-ui,-apple-system,'Segoe UI',sans-serif;
  --body:'Literata',Georgia,'Times New Roman',serif;
  --radius:14px;
}
@media (prefers-color-scheme: dark){:root:not([data-theme="light"]){
  --bg:#0A1B2E; --surface:#0F243B; --tint:#12304F; --line:#1F3D5C;
  --ink:#EAF2FA; --muted:#A3B8CD; --sky:#74ACDF; --accent:#8EC5EE;
  --btn-bg:#74ACDF; --btn-fg:#0A1B2E; --ok:#6FD3A0; color-scheme:dark}}
:root[data-theme="dark"]{
  --bg:#0A1B2E; --surface:#0F243B; --tint:#12304F; --line:#1F3D5C;
  --ink:#EAF2FA; --muted:#A3B8CD; --sky:#74ACDF; --accent:#8EC5EE;
  --btn-bg:#74ACDF; --btn-fg:#0A1B2E; --ok:#6FD3A0; color-scheme:dark}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
@media (prefers-reduced-motion: reduce){html{scroll-behavior:auto}}
body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--body);font-size:17px;line-height:1.65;-webkit-font-smoothing:antialiased}
.wrap{max-width:1120px;margin:0 auto;padding-inline:20px}
h1,h2,h3{font-family:var(--display);line-height:1.12;margin:0;text-wrap:balance;letter-spacing:-.02em}
h1{font-size:clamp(2.2rem,5vw,3.6rem);font-weight:700}
h2{font-size:clamp(1.7rem,3.4vw,2.4rem);font-weight:600}
h3{font-size:1.15rem;font-weight:600;letter-spacing:-.01em}
p{margin:0}
a{color:var(--accent)}
:focus-visible{outline:3px solid var(--sky);outline-offset:3px;border-radius:6px}
.eyebrow{font-family:var(--display);font-size:.78rem;font-weight:600;letter-spacing:.16em;text-transform:uppercase;color:var(--accent)}
.lede{color:var(--muted);font-size:1.08rem;max-width:62ch}
section{padding-block:clamp(56px,8vw,96px)}
.sec-head{display:grid;gap:12px;margin-bottom:40px;max-width:720px}

.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:48px;padding:0 24px;border-radius:999px;font-family:var(--display);font-weight:600;font-size:.98rem;text-decoration:none;border:2px solid var(--btn-bg);background:var(--btn-bg);color:var(--btn-fg);cursor:pointer;transition:transform .15s ease}
.btn:hover{transform:translateY(-1px)}
.btn.ghost{background:transparent;color:var(--ink);border-color:var(--line)}

/* header */
header.top{position:sticky;top:env(safe-area-inset-top,0px);z-index:10;background:color-mix(in srgb,var(--bg) 88%,transparent);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:72px}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--ink);font-family:var(--display);font-size:1.3rem;letter-spacing:-.03em}
.brand b{font-weight:700}.brand span{font-weight:300}
.brand svg{width:40px;height:40px;flex:none}
.nav-links{display:flex;align-items:center;gap:26px;font-family:var(--display);font-size:.92rem}
.nav-links a{color:var(--muted);text-decoration:none}
.nav-links a:hover{color:var(--ink)}
.nav-links .btn{min-height:42px;padding:0 18px;color:var(--btn-fg);white-space:nowrap}
@media (max-width:860px){.nav-links a:not(.btn){display:none}}

/* hero */
.hero{padding-block:clamp(48px,7vw,88px)}
.hero-grid{display:grid;grid-template-columns:1.25fr .9fr;gap:48px;align-items:center}
.hero-copy{display:grid;gap:22px;min-width:0}
.hero-copy .actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:6px}
.hero h1 em{font-style:normal;color:var(--accent)}
.panel{background:var(--surface);border:1px solid var(--line);border-radius:22px;padding:30px;display:grid;gap:22px;position:relative;overflow:hidden}
.panel .mark{position:absolute;right:-40px;top:-40px;width:190px;height:190px;opacity:.14}
.fact{display:grid;grid-template-columns:auto 1fr;gap:4px 16px;align-items:baseline;padding-bottom:18px;border-bottom:1px solid var(--line)}
.fact:last-child{border-bottom:0;padding-bottom:0}
.fact .n{font-family:var(--display);font-weight:700;font-size:2rem;letter-spacing:-.03em;color:var(--ink);grid-row:span 2;min-width:4.2ch;font-variant-numeric:tabular-nums}
.fact .t{font-family:var(--display);font-weight:600;font-size:.98rem}
.fact .d{color:var(--muted);font-size:.92rem;line-height:1.5}
@media (max-width:860px){.hero-grid{grid-template-columns:1fr}}

/* about */
.about-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:56px;align-items:start}
.about-copy{display:grid;gap:18px;min-width:0}
.about-copy p{max-width:64ch}
.linkedin{font-family:var(--display);font-weight:600;text-decoration:none}
.linkedin::after{content:" →"}
.creds{list-style:none;margin:0;padding:0;display:grid;gap:0;border-top:2px solid var(--ink)}
.creds li{display:grid;gap:2px;padding:16px 0;border-bottom:1px solid var(--line)}
.creds .k{font-family:var(--display);font-size:.74rem;font-weight:600;letter-spacing:.14em;text-transform:uppercase;color:var(--accent)}
.creds .v{font-family:var(--display);font-weight:600;font-size:1.02rem}
.creds .s{color:var(--muted);font-size:.9rem}
@media (max-width:860px){.about-grid{grid-template-columns:1fr;gap:36px}}

/* subjects */
.alt{background:var(--tint)}
.subjects{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:16px}
.subject{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:24px;display:grid;gap:10px;align-content:start}
.level{justify-self:start;font-family:var(--display);font-size:.74rem;font-weight:600;letter-spacing:.06em;padding:4px 10px;border-radius:999px;background:var(--tint);color:var(--accent)}
.subject p{color:var(--muted);font-size:.95rem;line-height:1.55}

/* results band */
.result{display:grid;grid-template-columns:auto 1fr;gap:40px;align-items:center}
.big{font-family:var(--display);font-weight:700;font-size:clamp(4.5rem,12vw,8.5rem);line-height:.9;letter-spacing:-.05em;color:var(--sky);font-variant-numeric:tabular-nums}
.why{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px 32px;margin-top:28px}
.why div{display:grid;gap:4px}
.why h3{font-size:1rem}
.why p{color:var(--muted);font-size:.95rem;line-height:1.55}
@media (max-width:760px){.result{grid-template-columns:1fr;gap:16px}.why{grid-template-columns:1fr}}

/* pricing */
.prices{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:18px;align-items:stretch}
.price{background:var(--surface);border:1px solid var(--line);border-radius:18px;padding:30px 26px;display:grid;gap:14px;grid-template-rows:auto auto auto 1fr auto;position:relative}
.price.best{border:2px solid var(--ink)}
.tag{position:absolute;top:-13px;left:24px;background:var(--ink);color:var(--bg);font-family:var(--display);font-size:.72rem;font-weight:600;letter-spacing:.12em;text-transform:uppercase;padding:4px 12px;border-radius:999px}
.price .name{font-family:var(--display);font-weight:600;color:var(--muted);font-size:.95rem}
.amount{font-family:var(--display);font-weight:700;font-size:2.8rem;letter-spacing:-.04em;line-height:1;font-variant-numeric:tabular-nums}
.amount small{font-size:1rem;font-weight:400;color:var(--muted);letter-spacing:0}
.price .total{font-family:var(--display);font-size:.9rem;color:var(--muted)}
.price .save{font-family:var(--display);font-size:.88rem;font-weight:600;color:var(--ok)}
.price .btn{width:100%}
.price.std .btn{background:transparent;color:var(--ink);border-color:var(--line)}
.fine{margin-top:22px;color:var(--muted);font-size:.95rem}
@media (max-width:860px){.prices{grid-template-columns:1fr;max-width:460px}}

/* steps */
.steps{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;counter-reset:s}
.steps li{counter-increment:s;display:grid;gap:8px;padding-top:20px;border-top:2px solid var(--sky)}
.steps li::before{content:"Step " counter(s);font-family:var(--display);font-size:.76rem;font-weight:600;letter-spacing:.14em;text-transform:uppercase;color:var(--accent)}
.steps p{color:var(--muted);font-size:.95rem;line-height:1.55}
@media (max-width:760px){.steps{grid-template-columns:1fr}}

/* faq */
.faq{display:grid;gap:0;max-width:820px;border-top:1px solid var(--line)}
.faq details{border-bottom:1px solid var(--line)}
.faq summary{cursor:pointer;list-style:none;display:flex;justify-content:space-between;align-items:center;gap:16px;padding:20px 0;font-family:var(--display);font-weight:600;font-size:1.02rem}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font-size:1.5rem;font-weight:300;color:var(--accent);flex:none}
.faq details[open] summary::after{content:"–"}
.faq details p{padding-bottom:20px;color:var(--muted);max-width:68ch}

/* contact */
.contact-grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:48px;align-items:start}
.contact-info{display:grid;gap:18px;min-width:0}
.email-box{display:flex;flex-wrap:wrap;align-items:center;gap:10px;padding:16px 18px;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);font-family:var(--display);font-weight:600;word-break:break-all}
.email-box a{text-decoration:none;color:var(--ink)}
form{background:var(--surface);border:1px solid var(--line);border-radius:20px;padding:30px;display:grid;gap:18px;min-width:0}
.row{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}
.field{display:grid;gap:6px;min-width:0}
label,.legend{font-family:var(--display);font-size:.86rem;font-weight:600}
.opt{font-weight:400;color:var(--muted)}
input,select,textarea{width:100%;font:inherit;font-size:1rem;color:var(--ink);background:var(--bg);border:1px solid var(--line);border-radius:10px;padding:12px 14px;min-height:48px}
textarea{min-height:120px;resize:vertical}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--sky);box-shadow:0 0 0 3px color-mix(in srgb,var(--sky) 35%,transparent)}
fieldset{border:0;margin:0;padding:0;display:grid;gap:10px;min-width:0}
.checks{display:flex;flex-wrap:wrap;gap:8px}
.chk{position:relative}
.chk input{position:absolute;opacity:0;width:1px;height:1px}
.chk span{display:inline-flex;align-items:center;min-height:42px;padding:0 16px;border:1px solid var(--line);border-radius:999px;font-family:var(--display);font-size:.9rem;cursor:pointer;background:var(--bg)}
.chk input:checked + span{background:var(--ink);color:var(--bg);border-color:var(--ink)}
.chk input:focus-visible + span{outline:3px solid var(--sky);outline-offset:2px}
.hp{position:absolute;left:-9999px}
.status{font-family:var(--display);font-size:.95rem;min-height:1.5em}
.status.ok{color:var(--ok)}.status.err{color:#C2410C}
@media (max-width:860px){.contact-grid{grid-template-columns:1fr}.row{grid-template-columns:1fr}}

footer{border-top:1px solid var(--line);padding-block:32px;color:var(--muted);font-family:var(--display);font-size:.88rem}
.foot{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:16px}

/* about photo */
.about-side{display:grid;gap:28px;align-content:start;min-width:0}
.about-photo{display:block;width:100%;max-width:420px;height:auto;aspect-ratio:4/5;object-fit:cover;object-position:center top;border-radius:20px;border:1px solid var(--line);background:var(--tint)}
@media (max-width:860px){.about-photo{max-width:320px}}