/* ===========================================================
   Purely Edu — design tokens
   Subject: GCSE/A-Level private tuition, Winnersh/Reading UK
   Signature: the "marked exam paper" — a stamped grade badge,
   tick-mark accents, and a real three-stage method treated as
   an actual numbered sequence (because it is one).
   =========================================================== */

@import url('https://fonts.googleapis.com/css2?family=Fraunces:opsz,wght@9..144,400;9..144,500;9..144,600;9..144,700&family=Inter:wght@400;500;600;700&family=IBM+Plex+Mono:wght@500;600&display=swap');

:root{
  --ink:        #12213E;
  --ink-soft:   #223357;
  --ink-tint:   #3C4E77;
  --paper:      #EEF1F7;
  --surface:    #FFFFFF;
  --gold:       #E2A32D;
  --gold-dark:  #B97E17;
  --teal:       #2F6F5E;
  --teal-tint:  #E4F0EC;
  --text:       #1B2540;
  --text-muted: #5B6478;
  --line:       #D9DEE9;
  --radius:     14px;
  --shadow:     0 20px 45px -25px rgba(18, 33, 62, 0.35);
  --shadow-sm:  0 8px 20px -12px rgba(18, 33, 62, 0.28);
  --maxw:       1180px;
  --serif: 'Fraunces', Georgia, serif;
  --sans:  'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --mono:  'IBM Plex Mono', ui-monospace, Menlo, monospace;
}

*, *::before, *::after{ box-sizing:border-box; }
html{ scroll-behavior:smooth; }
body{
  margin:0;
  font-family:var(--sans);
  color:var(--text);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
  line-height:1.6;
}
img{ max-width:100%; display:block; }
a{ color:inherit; text-decoration:none; }
ul{ margin:0; padding:0; list-style:none; }
h1,h2,h3,h4{ font-family:var(--serif); color:var(--ink); margin:0; font-weight:600; letter-spacing:-0.01em; }
p{ margin:0; }
.container{ max-width:var(--maxw); margin:0 auto; padding:0 28px; }

:focus-visible{ outline:3px solid var(--gold); outline-offset:3px; }

.eyebrow{
  display:inline-flex; align-items:center; gap:10px;
  font-family:var(--mono); font-size:0.72rem; letter-spacing:0.14em; text-transform:uppercase;
  color:var(--gold-dark); font-weight:600; margin-bottom:14px;
}
.eyebrow::before{
  content:''; width:22px; height:1px; background:var(--gold-dark);
}
.section{ padding:96px 0; }
.section--tight{ padding:64px 0; }
@media (max-width:720px){
  .section{ padding:64px 0; }
  .section--tight{ padding:44px 0; }
}

.btn{
  display:inline-flex; align-items:center; gap:10px;
  font-family:var(--sans); font-weight:600; font-size:0.98rem;
  padding:14px 28px; border-radius:999px; border:2px solid transparent;
  cursor:pointer; transition:transform .18s ease, box-shadow .18s ease, background .18s ease, color .18s ease;
}
.btn--gold{ background:var(--gold); color:var(--ink); }
.btn--gold:hover{ background:var(--gold-dark); transform:translateY(-2px); box-shadow:var(--shadow-sm); }
.btn--ghost{ border-color:rgba(255,255,255,0.4); color:#fff; }
.btn--ghost:hover{ border-color:#fff; background:rgba(255,255,255,0.08); }
.btn--outline{ border-color:var(--ink); color:var(--ink); }
.btn--outline:hover{ background:var(--ink); color:#fff; }

/* ---------- Header ---------- */
.site-header{
  position:sticky; top:0; z-index:100;
  background:rgba(238,241,247,0.88); backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.site-header__row{ display:flex; align-items:center; justify-content:space-between; padding:18px 0; }
.brand{ display:flex; align-items:center; gap:10px; font-family:var(--serif); font-weight:700; font-size:1.3rem; color:var(--ink); }
.brand__mark{
  width:34px; height:34px; border-radius:50%; background:var(--ink);
  color:var(--gold); display:grid; place-items:center; font-family:var(--mono); font-size:0.85rem; font-weight:600;
  border:2px solid var(--gold);
}
.nav{ display:flex; align-items:center; gap:34px; }
.nav a{ font-size:0.95rem; font-weight:500; color:var(--ink-soft); transition:color .15s ease; position:relative; }
.nav a:hover{ color:var(--gold-dark); }
.nav-toggle{ display:none; background:none; border:0; cursor:pointer; padding:6px; }
.nav-toggle span{ display:block; width:24px; height:2px; background:var(--ink); margin:5px 0; transition:.2s; }

@media (max-width:860px){
  .nav{
    position:fixed; inset:0 0 0 30%; background:var(--ink); flex-direction:column;
    justify-content:center; align-items:flex-start; gap:28px; padding:40px;
    transform:translateX(100%); transition:transform .3s ease; z-index:200;
  }
  .nav.is-open{ transform:translateX(0); }
  .nav a{ color:#fff; font-size:1.3rem; font-family:var(--serif); }
  .nav a:hover{ color:var(--gold); }
  .nav-toggle{ display:block; z-index:210; }
  .nav-toggle.is-open span:nth-child(1){ transform:translateY(7px) rotate(45deg); }
  .nav-toggle.is-open span:nth-child(2){ opacity:0; }
  .nav-toggle.is-open span:nth-child(3){ transform:translateY(-7px) rotate(-45deg); }
}

/* ---------- Hero ---------- */
.hero{
  position:relative; overflow:hidden;
  background:radial-gradient(120% 140% at 14% -10%, #1C2E52 0%, var(--ink) 46%, #0D1730 100%);
  color:#fff; padding:88px 0 110px;
}
.hero__grid{ display:grid; grid-template-columns:1.05fr 0.95fr; gap:56px; align-items:center; }
@media (max-width:920px){ .hero__grid{ grid-template-columns:1fr; } }

.hero__eyebrow{ color:var(--gold); }
.hero__eyebrow::before{ background:var(--gold); }
.hero h1{
  color:#fff; font-size:clamp(2.4rem, 4.6vw, 3.6rem); line-height:1.08; margin-bottom:22px;
}
.hero h1 em{ font-style:italic; color:var(--gold); }
.hero p.lede{ font-size:1.14rem; color:#C9D1E5; max-width:46ch; margin-bottom:34px; }
.hero__ctas{ display:flex; gap:16px; flex-wrap:wrap; }

.hero__art{ position:relative; }
.hero__frame{
  position:relative; border-radius:22px; overflow:hidden; box-shadow:var(--shadow);
  border:1px solid rgba(255,255,255,0.12);
}
.hero__frame img{ width:100%; height:420px; object-fit:cover; display:block; }
.hero__frame::after{
  content:''; position:absolute; inset:0;
  background:linear-gradient(190deg, rgba(18,33,62,0) 45%, rgba(10,17,35,0.55) 100%);
}

/* the signature stamp */
.stamp{
  position:absolute; top:-26px; right:-22px; width:118px; height:118px;
  border-radius:50%; border:3px dashed var(--gold);
  display:grid; place-items:center; transform:rotate(-14deg);
  background:rgba(18,33,62,0.55); backdrop-filter:blur(3px);
  z-index:5;
}
.stamp__inner{ text-align:center; color:var(--gold); font-family:var(--serif); }
.stamp__grade{ font-size:2.3rem; font-weight:700; line-height:1; }
.stamp__label{ font-family:var(--mono); font-size:0.55rem; letter-spacing:0.16em; text-transform:uppercase; display:block; margin-top:2px; }
@media (max-width:920px){ .stamp{ top:-18px; right:10px; width:96px; height:96px;} .stamp__grade{ font-size:1.8rem; } }

.hero__stats{ display:flex; gap:34px; margin-top:44px; flex-wrap:wrap; }
.hero__stat b{ display:block; font-family:var(--serif); font-size:1.7rem; color:var(--gold); }
.hero__stat span{ font-size:0.82rem; color:#AEB8D1; }

/* ---------- Intro / About ---------- */
.about__grid{ display:grid; grid-template-columns:1fr 1fr; gap:64px; align-items:start; }
@media (max-width:880px){ .about__grid{ grid-template-columns:1fr; gap:36px; } }
.about h2{ font-size:clamp(1.8rem,3vw,2.4rem); margin-bottom:18px; }
.about p{ color:var(--text-muted); margin-bottom:16px; font-size:1.03rem; }
.about p:last-of-type{ margin-bottom:0; }

.checklist{ display:grid; gap:14px; }
.checklist li{
  display:flex; gap:14px; align-items:flex-start; font-size:0.98rem; color:var(--text);
  background:var(--surface); border:1px solid var(--line); padding:14px 16px; border-radius:12px;
}
.checklist svg{ flex-shrink:0; width:20px; height:20px; margin-top:2px; color:var(--teal); }

/* ---------- Method (real 3-stage sequence) ---------- */
.method{ background:var(--surface); border-top:1px solid var(--line); border-bottom:1px solid var(--line); }
.method__head{ max-width:640px; margin-bottom:56px; }
.method__steps{ display:grid; grid-template-columns:repeat(3,1fr); gap:0; position:relative; }
@media (max-width:880px){ .method__steps{ grid-template-columns:1fr; gap:28px; } }

.step{ position:relative; padding:0 28px 0 0; }
.step:not(:last-child){ border-right:1px dashed var(--line); }
@media (max-width:880px){ .step{ padding:0; } .step:not(:last-child){ border-right:0; border-bottom:1px dashed var(--line); padding-bottom:28px; } }
.step__num{
  font-family:var(--mono); font-size:0.95rem; color:var(--gold-dark); font-weight:600;
  display:inline-block; margin-bottom:14px; letter-spacing:0.05em;
}
.step h3{ font-size:1.28rem; margin-bottom:10px; }
.step p{ color:var(--text-muted); font-size:0.97rem; }

/* ---------- Services ---------- */
.services__head{ display:flex; justify-content:space-between; align-items:flex-end; gap:24px; margin-bottom:44px; flex-wrap:wrap; }
.services__head h2{ font-size:clamp(1.8rem,3vw,2.4rem); }
.services__grid{ display:grid; grid-template-columns:repeat(3,1fr); gap:28px; }
@media (max-width:920px){ .services__grid{ grid-template-columns:1fr; } }

.card{
  background:var(--surface); border-radius:var(--radius); overflow:hidden;
  border:1px solid var(--line); transition:transform .2s ease, box-shadow .2s ease;
  display:flex; flex-direction:column;
}
.card:hover{ transform:translateY(-6px); box-shadow:var(--shadow); }
.card__media{ height:190px; overflow:hidden; }
.card__media img{ width:100%; height:100%; object-fit:cover; transition:transform .4s ease; }
.card:hover .card__media img{ transform:scale(1.06); }
.card__body{ padding:24px 22px 26px; display:flex; flex-direction:column; gap:10px; flex:1; }
.card__tag{ font-family:var(--mono); font-size:0.7rem; letter-spacing:0.1em; text-transform:uppercase; color:var(--teal); font-weight:600; }
.card h3{ font-size:1.2rem; }
.card p{ color:var(--text-muted); font-size:0.95rem; flex:1; }
.card__link{ font-weight:600; font-size:0.92rem; color:var(--ink); display:inline-flex; align-items:center; gap:6px; margin-top:4px; }
.card__link svg{ width:16px; height:16px; transition:transform .18s ease; }
.card:hover .card__link svg{ transform:translateX(4px); }

/* ---------- Trust strip ---------- */
.trust{ background:var(--ink); color:#fff; }
.trust__grid{ display:grid; grid-template-columns:repeat(4,1fr); gap:28px; text-align:center; }
@media (max-width:760px){ .trust__grid{ grid-template-columns:repeat(2,1fr); } }
.trust__item b{ display:block; font-family:var(--serif); font-size:2rem; color:var(--gold); margin-bottom:6px; }
.trust__item span{ font-size:0.86rem; color:#B9C2DA; }

/* ---------- Contact ---------- */
.contact{ background:var(--paper); }
.contact__grid{ display:grid; grid-template-columns:1fr 1fr; gap:48px; align-items:stretch; }
@media (max-width:920px){ .contact__grid{ grid-template-columns:1fr; } }
.contact__card{
  background:var(--surface); border:1px solid var(--line); border-radius:var(--radius);
  padding:34px; box-shadow:var(--shadow-sm);
}
.contact__row{ display:flex; align-items:flex-start; gap:14px; padding:14px 0; border-bottom:1px solid var(--line); }
.contact__row:last-child{ border-bottom:0; }
.contact__row svg{ width:20px; height:20px; color:var(--gold-dark); flex-shrink:0; margin-top:2px; }
.contact__row a, .contact__row span.value{ font-weight:600; }
.contact__row .label{ display:block; font-size:0.78rem; color:var(--text-muted); margin-bottom:2px; }

.hours{ margin-top:22px; }
.hours table{ width:100%; border-collapse:collapse; font-size:0.92rem; }
.hours td{ padding:6px 0; color:var(--text-muted); }
.hours td:last-child{ text-align:right; color:var(--text); font-weight:500; }

.contact__grid--three{ grid-template-columns:1fr 1fr 1fr; }
@media (max-width:1080px){ .contact__grid--three{ grid-template-columns:1fr 1fr; } .contact__grid--three .map-frame{ grid-column:1 / -1; } }
@media (max-width:640px){ .contact__grid--three{ grid-template-columns:1fr; } }

.map-frame{ border-radius:var(--radius); overflow:hidden; border:1px solid var(--line); box-shadow:var(--shadow-sm); height:100%; min-height:340px; }
.map-frame iframe{ width:100%; height:100%; min-height:340px; border:0; }

.message-form{ display:flex; flex-direction:column; gap:16px; }
.form-row{ display:flex; flex-direction:column; gap:6px; }
.form-row label{ font-size:0.82rem; font-weight:600; color:var(--text-muted); }
.form-row input, .form-row textarea{
  font-family:var(--sans); font-size:0.95rem; padding:11px 13px; border-radius:10px;
  border:1px solid var(--line); background:var(--paper); color:var(--text); resize:vertical;
  transition:border-color .15s ease, background .15s ease;
}
.form-row input:focus, .form-row textarea:focus{ outline:none; border-color:var(--gold); background:var(--surface); }


/* ---------- CTA banner ---------- */
.cta-banner{
  background:linear-gradient(120deg, var(--ink) 0%, #24365E 100%);
  color:#fff; border-radius:24px; padding:52px 44px; text-align:center;
  margin:0 28px; max-width:calc(var(--maxw) - 56px); margin-inline:auto;
}
.cta-banner h2{ color:#fff; font-size:clamp(1.6rem,3vw,2.1rem); margin-bottom:12px; }
.cta-banner p{ color:#C9D1E5; margin-bottom:26px; }

/* ---------- Footer ---------- */
.site-footer{ background:var(--ink); color:#B9C2DA; padding:48px 0 28px; }
.site-footer__row{ display:flex; justify-content:space-between; align-items:center; flex-wrap:wrap; gap:18px; padding-bottom:28px; border-bottom:1px solid rgba(255,255,255,0.12); }
.site-footer .brand{ color:#fff; }
.site-footer nav{ display:flex; gap:24px; flex-wrap:wrap; }
.site-footer nav a{ font-size:0.92rem; color:#B9C2DA; }
.site-footer nav a:hover{ color:var(--gold); }
.site-footer__bottom{ padding-top:22px; font-size:0.82rem; display:flex; justify-content:space-between; flex-wrap:wrap; gap:10px; color:#8894B3; }

/* utility */
.visually-hidden{ position:absolute; width:1px; height:1px; overflow:hidden; clip:rect(0 0 0 0); white-space:nowrap; }