:root {
  --bg: #f7f6f1;
  --surface: #fcfbf7;
  --sage-soft: #e8ece4;
  --sage: #81917b;
  --ink: #263029;
  --muted: #6d746d;
  --border: #dfe2da;
  --accent-dark: #354139;
  --max: 1180px;
  --serif: "Instrument Serif", Georgia, serif;
  --sans: "Manrope", Arial, sans-serif;
  --space-1: .5rem;
  --space-2: .75rem;
  --space-3: 1rem;
  --space-4: 1.5rem;
  --space-5: 2rem;
  --space-6: 3rem;
  --space-7: 4.5rem;
  --space-8: 7rem;
  --radius: 4px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.65;
  text-rendering: optimizeLegibility;
}
img { max-width: 100%; display: block; }
a { color: inherit; }
button, input, textarea { font: inherit; }

.skip-link {
  position: fixed;
  left: 1rem;
  top: 1rem;
  transform: translateY(-180%);
  background: var(--ink);
  color: #fff;
  padding: .65rem 1rem;
  z-index: 1000;
}
.skip-link:focus { transform: translateY(0); }

.container { width: min(calc(100% - 2rem), var(--max)); margin-inline: auto; }
.section { padding: var(--space-8) 0; }

h1, h2, h3, h4, p { margin-top: 0; }
h1, h2 { font-weight: 400; letter-spacing: -.035em; }
h1 { font-family: var(--serif); font-size: clamp(4rem, 9vw, 8rem); line-height: .93; margin-bottom: var(--space-4); }
h1 em { font-weight: 400; }
h2 { font-family: var(--serif); font-size: clamp(3rem, 5.8vw, 5.3rem); line-height: 1; margin-bottom: var(--space-4); }
h3 { font-size: 1.4rem; line-height: 1.25; letter-spacing: -.025em; }
h4 { font-size: 1.02rem; margin-bottom: .35rem; }
p { color: var(--muted); }

.eyebrow {
  margin-bottom: 1.1rem;
  color: var(--sage);
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: color-mix(in srgb, var(--bg) 91%, transparent);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid transparent;
  transition: border-color 180ms ease, background 180ms ease;
}
.site-header.scrolled { border-color: var(--border); }
.header-inner { height: 74px; display: flex; align-items: center; justify-content: space-between; gap: 2rem; }
.brand { display: flex; align-items: baseline; gap: .55rem; text-decoration: none; }
.brand-main { font-family: var(--serif); font-size: 1.45rem; }
.brand-place { color: var(--sage); font-size: .68rem; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; }
.site-nav { display: flex; gap: 1.75rem; align-items: center; }
.site-nav a { color: var(--muted); text-decoration: none; font-size: .84rem; font-weight: 600; }
.site-nav a:hover, .site-nav a:focus-visible { color: var(--ink); }
.nav-cta { border: 1px solid var(--ink); padding: .55rem .9rem; }
.menu-toggle { display: none; border: 0; background: none; padding: .5rem; }
.menu-toggle span { width: 22px; height: 1px; background: var(--ink); display: block; margin: 5px 0; }

.hero { padding-top: clamp(5.5rem, 10vw, 9rem); }
.hero-grid { display: grid; grid-template-columns: minmax(0, 1fr) 240px; gap: clamp(3rem, 8vw, 8rem); align-items: end; }
.hero-lede { max-width: 650px; font-size: clamp(1.05rem, 1.6vw, 1.25rem); }
.hero-actions { display: flex; align-items: center; gap: 1.3rem; margin: 2rem 0; flex-wrap: wrap; }
.button { display: inline-flex; align-items: center; justify-content: center; border: 1px solid var(--ink); padding: .8rem 1.15rem; text-decoration: none; font-size: .82rem; font-weight: 700; letter-spacing: .01em; cursor: pointer; transition: transform 160ms ease, background 160ms ease, color 160ms ease; }
.button:hover { transform: translateY(-2px); }
.button-primary { background: var(--ink); color: #fff; }
.button-secondary { background: transparent; color: var(--ink); }
.text-link { color: var(--ink); font-size: .84rem; text-underline-offset: 4px; }
.credibility-strip { display: flex; flex-wrap: wrap; gap: .7rem 1.1rem; color: var(--sage); font-size: .75rem; font-weight: 700; }
.credibility-strip span:not(:last-child)::after { content: "·"; margin-left: 1.1rem; }
.hero-note { padding-left: 1.2rem; border-left: 1px solid var(--border); margin-bottom: .45rem; }
.hero-note-index { color: var(--sage); font-size: .7rem; }
.hero-note p { color: var(--ink); font-family: var(--serif); font-size: 1.55rem; line-height: 1.18; margin: .6rem 0; }
.hero-note-rule { width: 42px; border-top: 1px solid var(--sage); margin: 1.2rem 0; }
.hero-note .hero-note-small { color: var(--muted); font-family: var(--sans); font-size: .76rem; line-height: 1.5; }

.approach { background: var(--surface); }
.split-heading { display: grid; grid-template-columns: 1.25fr .75fr; gap: 4rem; align-items: end; margin-bottom: var(--space-6); }
.section-intro { max-width: 540px; }
.student-track { display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.student-item { padding: 1.5rem 1.15rem 1.6rem 0; min-height: 160px; }
.student-item + .student-item { border-left: 1px solid var(--border); padding-left: 1.15rem; }
.student-label { color: var(--sage); font-size: .68rem; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; }
.student-item h3 { margin: 1rem 0 .35rem; }
.student-item p { font-size: .88rem; margin-bottom: 0; }
.topic-line { font-size: .78rem; font-weight: 600; color: var(--sage); margin: 1rem 0 0; }
.topic-line span { margin: 0 .35rem; }

.benefits-layout { display: grid; grid-template-columns: .8fr 1.2fr; gap: 5rem; margin-top: var(--space-8); }
.benefits-lead h3 { font-family: var(--serif); font-size: clamp(2.5rem, 4.4vw, 4.3rem); font-weight: 400; line-height: 1.02; margin-bottom: 0; }
.benefit-list { border-top: 1px solid var(--border); }
.benefit-row { display: grid; grid-template-columns: 55px 1fr; gap: 1.2rem; padding: 1.25rem 0; border-bottom: 1px solid var(--border); }
.benefit-row p { margin: 0; max-width: 560px; font-size: .9rem; }
.line-icon { color: var(--sage); font-size: .72rem; font-weight: 700; }

.rotation-panel { margin-top: var(--space-7); padding: 2rem; background: var(--sage-soft); display: grid; grid-template-columns: .75fr 1.25fr; gap: 3rem; align-items: center; }
.rotation-copy h3 { max-width: 370px; margin-bottom: 0; }
.rotation-flow { display: flex; align-items: center; gap: 1rem; justify-content: space-between; }
.flow-step { flex: 1; }
.flow-step span { display: block; color: var(--sage); font-size: .7rem; text-transform: uppercase; letter-spacing: .08em; font-weight: 700; }
.flow-step strong { font-size: .9rem; }
.flow-arrow { color: var(--sage); }

.results { background: var(--bg); }
.compact-heading { max-width: 620px; margin-bottom: var(--space-6); }
.testimonial-grid { display: grid; grid-template-columns: 1.4fr .8fr .8fr; gap: 1px; background: var(--border); border: 1px solid var(--border); }
.testimonial { background: var(--surface); padding: 1.75rem; min-height: 210px; }
.featured-testimonial { background: var(--sage-soft); }
.testimonial-kicker { color: var(--sage); font-size: .7rem; font-weight: 700; text-transform: uppercase; letter-spacing: .09em; }
blockquote { margin: 0; font-family: var(--serif); font-size: 2rem; line-height: 1.12; }
.featured-testimonial blockquote { font-size: clamp(2.2rem, 4vw, 4rem); }
.testimonial-note { margin-top: 1rem; font-size: .75rem; max-width: 520px; }
.placeholder-card blockquote { color: var(--muted); font-size: 1.4rem; }

.tutor { background: var(--surface); }
.tutor-grid { display: grid; grid-template-columns: minmax(240px, .7fr) 1.3fr; gap: clamp(3rem, 7vw, 7rem); align-items: center; }
.portrait-placeholder { aspect-ratio: 4 / 5; background: var(--sage-soft); display: grid; place-items: center; color: var(--sage); text-transform: uppercase; letter-spacing: .1em; font-size: .72rem; }
.tutor-intro { font-size: 1.05rem; max-width: 700px; }
.credential-list { display: grid; grid-template-columns: 1fr 1fr; gap: 1px; background: var(--border); margin-top: 2rem; }
.credential-list span { background: var(--bg); padding: .95rem 1rem; font-size: .82rem; }
.tutor-note { margin: 1rem 0 0; font-size: .8rem; color: var(--sage); font-weight: 700; }

.classes { background: var(--sage-soft); }
.classes-grid { display: grid; grid-template-columns: 1.1fr .9fr; gap: 5rem; align-items: start; }
.class-details { margin: 0; border-top: 1px solid color-mix(in srgb, var(--sage) 45%, transparent); }
.class-details div { display: grid; grid-template-columns: 120px 1fr; padding: .9rem 0; border-bottom: 1px solid color-mix(in srgb, var(--sage) 45%, transparent); }
.class-details dt { color: var(--sage); font-size: .72rem; font-weight: 700; text-transform: uppercase; letter-spacing: .08em; }
.class-details dd { margin: 0; font-weight: 600; }
.classes-grid .button { grid-column: 2; justify-self: start; }

.faq { background: var(--bg); }
.faq-grid { display: grid; grid-template-columns: .7fr 1.3fr; gap: 5rem; }
.accordion details { border-top: 1px solid var(--border); padding: 1.1rem 0; }
.accordion details:last-child { border-bottom: 1px solid var(--border); }
.accordion summary { list-style: none; cursor: pointer; font-weight: 600; position: relative; padding-right: 2rem; }
.accordion summary::-webkit-details-marker { display: none; }
.accordion summary::after { content: "+"; position: absolute; right: 0; color: var(--sage); }
.accordion details[open] summary::after { content: "−"; }
.accordion details p { max-width: 700px; margin: .8rem 0 0; font-size: .9rem; }

.enquire { background: var(--accent-dark); color: #fff; }
.enquire .eyebrow, .enquire p { color: #bdc9bc; }
.enquiry-grid { display: grid; grid-template-columns: .8fr 1.2fr; gap: 6rem; }
.enquiry-copy h2 { color: #fff; }
.enquiry-meta { font-size: .8rem; margin-top: 2rem; }
.enquiry-form { display: grid; gap: 1rem; }
.field-row.two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.enquiry-form label { display: grid; gap: .45rem; color: #f4f3ed; font-size: .78rem; font-weight: 600; }
.enquiry-form label span { color: #aeb9ad; font-weight: 400; }
.enquiry-form input, .enquiry-form textarea { width: 100%; border: 1px solid #5e6a60; background: #435047; color: #fff; border-radius: 0; padding: .8rem .9rem; outline: none; }
.enquiry-form input::placeholder, .enquiry-form textarea::placeholder { color: #b6c0b5; }
.enquiry-form input:focus, .enquiry-form textarea:focus { border-color: #e8ece4; box-shadow: 0 0 0 2px rgba(232,236,228,.16); }
.enquiry-form .button-primary { background: #f2f1eb; color: var(--ink); border-color: #f2f1eb; }
.form-footer { display: flex; align-items: center; gap: 1rem; flex-wrap: wrap; }
.form-note { font-size: .72rem; margin: 0; }

.site-footer { background: var(--accent-dark); color: #bdc9bc; border-top: 1px solid #536057; }
.footer-inner { min-height: 78px; display: flex; align-items: center; justify-content: space-between; gap: 1rem; }
.footer-inner p { margin: 0; color: inherit; font-size: .75rem; }
.footer-inner a { color: inherit; font-size: .75rem; text-underline-offset: 4px; }

:focus-visible { outline: 2px solid var(--sage); outline-offset: 3px; }

@media (max-width: 900px) {
  .section { padding: 5rem 0; }
  .hero-grid, .split-heading, .benefits-layout, .rotation-panel, .tutor-grid, .classes-grid, .faq-grid, .enquiry-grid { grid-template-columns: 1fr; gap: 2.5rem; }
  .hero-note { display: none; }
  .student-track { grid-template-columns: 1fr 1fr; }
  .student-item:nth-child(3) { border-left: 0; border-top: 1px solid var(--border); }
  .student-item:nth-child(4) { border-top: 1px solid var(--border); }
  .rotation-flow { align-items: flex-start; }
  .testimonial-grid { grid-template-columns: 1fr; }
  .credential-list { grid-template-columns: 1fr; }
  .classes-grid .button { grid-column: auto; }
}

@media (max-width: 720px) {
  .header-inner { height: 66px; }
  .brand-place { display: none; }
  .menu-toggle { display: block; }
  .site-nav { display: none; position: absolute; top: 66px; left: 0; right: 0; flex-direction: column; align-items: stretch; gap: 0; padding: 1rem; background: var(--bg); border-bottom: 1px solid var(--border); }
  .site-nav.open { display: flex; }
  .site-nav a { padding: .85rem .25rem; }
  .nav-cta { border: 0; }
  h1 { font-size: clamp(3.7rem, 17vw, 5.8rem); }
  h2 { font-size: clamp(2.8rem, 12vw, 4.3rem); }
  .hero { padding-top: 4.5rem; }
  .credibility-strip { display: grid; gap: .35rem; }
  .credibility-strip span::after { display: none; }
  .student-track { grid-template-columns: 1fr; }
  .student-item, .student-item + .student-item { border-left: 0; border-top: 1px solid var(--border); padding-left: 0; min-height: auto; }
  .student-item:first-child { border-top: 0; }
  .topic-line { line-height: 1.8; }
  .rotation-flow { flex-direction: column; }
  .flow-arrow { transform: rotate(90deg); }
  .field-row.two-col { grid-template-columns: 1fr; }
  .class-details div { grid-template-columns: 95px 1fr; }
  .footer-inner { flex-direction: column; justify-content: center; align-items: flex-start; padding: 1rem 0; }
}

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