:root {
  --ink: #0b1324;
  --ink-2: #111d33;
  --paper: #f5f1df;
  --paper-2: #fffdf5;
  --cyan: #24c9df;
  --cyan-soft: #d6f7f7;
  --yellow: #ffda45;
  --pink: #f24f87;
  --orange: #ff7a45;
  --muted: #607084;
  --line: rgba(11, 19, 36, .18);
  --shadow: 8px 8px 0 var(--ink);
  --shell: min(1180px, calc(100% - 40px));
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", Arial, sans-serif;
  line-height: 1.55;
  overflow-x: hidden;
}
img { display: block; max-width: 100%; }
a { color: inherit; }
button, input { font: inherit; }
::selection { color: var(--ink); background: var(--yellow); }
.page-shell { width: var(--shell); margin-inline: auto; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }
.skip-link { position: fixed; z-index: 1000; top: 8px; left: 8px; transform: translateY(-160%); background: var(--yellow); padding: 10px 16px; font-weight: 900; }
.skip-link:focus { transform: none; }

.site-header {
  position: fixed;
  z-index: 100;
  inset: 0 0 auto;
  min-height: 76px;
  padding: 0 max(20px, calc((100vw - 1180px)/2));
  display: flex;
  align-items: center;
  justify-content: space-between;
  color: white;
  background: rgba(11, 19, 36, .82);
  border-bottom: 1px solid rgba(255,255,255,.16);
  backdrop-filter: blur(14px);
  transition: background .25s ease, box-shadow .25s ease;
}
.site-header.scrolled { background: rgba(11, 19, 36, .96); box-shadow: 0 8px 30px rgba(0,0,0,.18); }
.brand { display: inline-flex; align-items: center; gap: 12px; text-decoration: none; font-size: .78rem; letter-spacing: .11em; font-weight: 700; }
.brand strong { display: block; color: var(--cyan); }
.brand-mark { width: 43px; height: 43px; display: grid; place-items: center; color: var(--ink); background: var(--yellow); border: 2px solid currentColor; box-shadow: 3px 3px 0 var(--pink); font-weight: 1000; letter-spacing: -.08em; transform: rotate(-2deg); }
.brand-mark span { color: var(--pink); }
.site-nav { display: flex; align-items: center; gap: 24px; font-size: .8rem; font-weight: 800; letter-spacing: .04em; }
.site-nav a { text-decoration: none; }
.site-nav > a:not(.nav-cta) { position: relative; }
.site-nav > a:not(.nav-cta)::after { content: ""; position: absolute; inset: auto 0 -7px; height: 2px; background: var(--cyan); transform: scaleX(0); transform-origin: left; transition: transform .2s; }
.site-nav > a:not(.nav-cta):hover::after, .site-nav > a:not(.nav-cta):focus-visible::after { transform: scaleX(1); }
.nav-cta { display: flex; align-items: center; gap: 9px; padding: 9px 12px; color: var(--ink); background: var(--yellow); border: 2px solid white; box-shadow: 3px 3px 0 var(--pink); }
.nav-cta span { padding: 2px 6px; color: white; background: var(--ink); font-size: .62rem; text-transform: uppercase; }
.nav-toggle { display: none; width: 44px; height: 42px; border: 1px solid rgba(255,255,255,.4); background: transparent; padding: 10px; }
.nav-toggle > span:not(.sr-only) { display: block; height: 2px; margin: 5px 0; background: white; }

.hero { min-height: 760px; position: relative; padding: 150px 0 0; overflow: hidden; color: white; background: var(--ink); }
.hero::before { content: ""; position: absolute; inset: 0; opacity: .38; background-image: linear-gradient(rgba(36,201,223,.12) 1px, transparent 1px), linear-gradient(90deg, rgba(36,201,223,.12) 1px, transparent 1px); background-size: 54px 54px; transform: perspective(500px) rotateX(63deg) scale(1.6) translateY(16%); transform-origin: bottom; }
.hero-noise, .price-noise { position: absolute; inset: 0; pointer-events: none; opacity: .25; background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 140 140' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.8' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.35'/%3E%3C/svg%3E"); mix-blend-mode: soft-light; }
.orb { position: absolute; border-radius: 50%; filter: blur(2px); opacity: .52; }
.orb-a { width: 560px; height: 560px; right: -110px; top: 50px; background: radial-gradient(circle, rgba(36,201,223,.4), transparent 65%); }
.orb-b { width: 430px; height: 430px; left: 22%; bottom: -230px; background: radial-gradient(circle, rgba(242,79,135,.3), transparent 68%); }
.hero-grid { position: relative; z-index: 2; display: grid; grid-template-columns: .95fr 1.05fr; gap: 46px; align-items: center; padding-bottom: 94px; }
.eyebrow { display: flex; align-items: center; gap: 10px; margin: 0 0 20px; color: var(--cyan); font-size: .73rem; font-weight: 900; letter-spacing: .16em; text-transform: uppercase; }
.eyebrow.dark { color: #067f91; }
.pulse { width: 8px; height: 8px; border-radius: 50%; background: var(--cyan); box-shadow: 0 0 0 6px rgba(36,201,223,.15); animation: pulse 2.1s infinite; }
@keyframes pulse { 50% { box-shadow: 0 0 0 12px rgba(36,201,223,0); } }
.hero h1, .section-heading h2, .product-copy h2, .tutor-copy h2, .parents-copy h2, .pricing-copy h2, .updates h2, .faq h2 {
  margin: 0;
  font-size: clamp(3.8rem, 7.7vw, 7.25rem);
  line-height: .84;
  letter-spacing: -.07em;
  font-weight: 1000;
  text-transform: uppercase;
}
.hero h1 em { color: transparent; -webkit-text-stroke: 2px var(--cyan); font-style: normal; text-shadow: 4px 4px 0 rgba(242,79,135,.85); }
.hero-lede { max-width: 650px; margin: 30px 0 0; color: #d7dfeb; font-size: clamp(1.02rem, 1.5vw, 1.22rem); }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 32px; }
.button { min-height: 52px; display: inline-flex; align-items: center; justify-content: space-between; gap: 18px; padding: 13px 19px; border: 2px solid currentColor; text-decoration: none; font-weight: 950; letter-spacing: .02em; transition: transform .18s, box-shadow .18s, background .18s; }
.button-primary { color: var(--ink); background: var(--yellow); box-shadow: 5px 5px 0 var(--pink); }
.button-primary:hover, .button-primary:focus-visible { transform: translate(-2px,-2px); box-shadow: 8px 8px 0 var(--pink); }
.button-quiet { color: white; background: rgba(255,255,255,.04); }
.button-quiet:hover, .button-quiet:focus-visible { background: rgba(36,201,223,.14); }
.signal-list { display: flex; flex-wrap: wrap; gap: 8px; padding: 0; margin: 30px 0 0; list-style: none; }
.signal-list li { padding: 7px 10px; color: #dce7ed; border: 1px solid rgba(255,255,255,.2); background: rgba(255,255,255,.04); font-size: .73rem; font-weight: 800; }
.smallprint { max-width: 600px; margin: 12px 0 0; color: #9aabbd; font-size: .72rem; }
.hero-visual { min-height: 590px; position: relative; display: grid; place-items: center; }
.device { position: relative; z-index: 3; width: min(520px, 92%); padding: 12px; border: 2px solid #65748a; border-radius: 34px; background: #02060f; box-shadow: 0 35px 80px rgba(0,0,0,.5), 20px 20px 0 rgba(36,201,223,.12); transform: rotate(2deg); transition: transform .15s linear; }
.device-top { height: 21px; position: relative; display: grid; place-items: center; }
.device-top span { width: 68px; height: 6px; border-radius: 99px; background: #28364a; }
.device-top i { position: absolute; right: 22px; width: 6px; height: 6px; border-radius: 50%; background: #304563; }
.device-screen { overflow: hidden; border: 1px solid #31425c; border-radius: 16px; aspect-ratio: 1 / 1.18; background: #0a1220; }
.device-screen img { width: 100%; height: 100%; object-fit: cover; object-position: right top; }
.device-shadow { position: absolute; width: 75%; height: 82%; border: 2px solid var(--pink); transform: rotate(-5deg) translate(-18px, 12px); opacity: .75; }
.floating-note { position: absolute; z-index: 5; padding: 10px 14px; color: var(--ink); border: 2px solid var(--ink); background: var(--paper-2); box-shadow: 4px 4px 0 var(--pink); font-size: .72rem; font-weight: 950; letter-spacing: .04em; text-transform: uppercase; }
.floating-note span { margin-right: 8px; color: #08788b; }
.note-one { top: 9%; right: -2%; transform: rotate(3deg); }
.note-two { bottom: 12%; left: -4%; transform: rotate(-3deg); }
.spark { position: absolute; color: var(--yellow); font-size: 3.5rem; font-weight: 1000; text-shadow: 4px 4px 0 var(--pink); animation: float 4s ease-in-out infinite; }
.spark-one { top: 18%; left: 1%; }
.spark-two { right: 2%; bottom: 20%; animation-delay: -1.8s; }
@keyframes float { 50% { transform: translateY(-14px) rotate(9deg); } }
.ticker { position: relative; z-index: 30; margin-block: -27px; overflow: hidden; color: var(--ink); background: var(--cyan); border-block: 3px solid var(--ink); box-shadow: 0 2px 0 rgba(11,19,36,.22); isolation: isolate; }
.ticker-track { width: max-content; display: flex; animation: ticker 28s linear infinite; will-change: transform; }
.ticker-group { min-width: 100vw; flex: 0 0 auto; display: flex; align-items: center; justify-content: space-around; gap: 30px; padding: 13px 15px; font-size: .84rem; font-weight: 1000; letter-spacing: .14em; white-space: nowrap; }
.ticker i { color: var(--pink); font-style: normal; }
@keyframes ticker { from { transform: translateX(0); } to { transform: translateX(-50%); } }

.section { position: relative; padding: 112px 0; }
.intro { background: var(--paper); }
.section-heading { max-width: 940px; }
.section-heading h2, .product-copy h2, .tutor-copy h2, .parents-copy h2, .pricing-copy h2, .updates h2, .faq h2 { font-size: clamp(2.8rem, 6vw, 5.8rem); line-height: .91; }
.section-heading h2 span, .parents-copy h2 span { color: transparent; -webkit-text-stroke: 1.8px var(--ink); }
.section-heading > p:last-child { max-width: 650px; margin: 26px 0 0; color: #405067; font-size: 1.1rem; }
.steps-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 22px; margin-top: 62px; }
.step-card { min-height: 330px; position: relative; padding: 32px; border: 2px solid var(--ink); background: var(--paper-2); box-shadow: var(--shadow); }
.step-card:nth-child(2) { transform: translateY(20px); box-shadow: 8px 8px 0 var(--cyan); }
.step-card:nth-child(3) { box-shadow: 8px 8px 0 var(--pink); }
.step-number { position: absolute; top: 14px; right: 16px; color: #8d98a7; font: 800 .7rem/1 ui-monospace, monospace; }
.step-icon { width: 62px; height: 62px; display: grid; place-items: center; margin-bottom: 30px; color: var(--ink); border: 2px solid var(--ink); background: var(--yellow); border-radius: 50%; font-size: 2.2rem; font-weight: 900; }
.step-card:nth-child(2) .step-icon { background: var(--cyan); }
.step-card:nth-child(3) .step-icon { background: var(--pink); }
.step-card h3 { margin: 0 0 12px; font-size: 1.45rem; line-height: 1.1; }
.step-card p { margin: 0; color: #46566a; }

.our-story { overflow: hidden; color: var(--ink); background: var(--cyan); border-block: 3px solid var(--ink); }
.our-story::before { content: ""; position: absolute; width: 520px; height: 520px; right: -170px; top: -200px; border: 2px solid rgba(11,19,36,.25); border-radius: 50%; box-shadow: 0 0 0 70px rgba(11,19,36,.04), 0 0 0 140px rgba(11,19,36,.04); }
.story-grid { position: relative; display: grid; grid-template-columns: .7fr 1.3fr; gap: 74px; align-items: center; }
.story-stamp { aspect-ratio: 1; display: flex; flex-direction: column; align-items: center; justify-content: center; padding: 40px; text-align: center; border: 3px solid var(--ink); border-radius: 50%; background: var(--yellow); box-shadow: 13px 13px 0 var(--pink); transform: rotate(-5deg); }
.story-stamp span { font: 900 .7rem/1.3 ui-monospace, monospace; letter-spacing: .15em; }
.story-stamp strong { font-size: clamp(3rem, 7vw, 5.7rem); line-height: .85; letter-spacing: -.07em; }
.story-stamp strong:last-child { color: transparent; -webkit-text-stroke: 2px var(--ink); }
.story-copy .eyebrow { color: var(--ink); }
.story-copy h2 { margin: 0; font-size: clamp(2.8rem, 5.5vw, 5.4rem); line-height: .9; letter-spacing: -.065em; font-weight: 1000; }
.story-copy h2 span { color: var(--paper-2); text-shadow: 4px 4px 0 var(--pink); }
.story-copy > p:not(.eyebrow) { max-width: 720px; font-size: 1.05rem; }
.story-note { margin-top: 26px !important; padding: 14px 17px; border: 2px solid var(--ink); background: rgba(255,255,255,.35); font-weight: 850; }

.dark-section { color: white; background: var(--ink); }
.dark-section::before { content: ""; position: absolute; inset: 0; pointer-events: none; opacity: .16; background-image: radial-gradient(var(--cyan) .8px, transparent .8px); background-size: 10px 10px; }
.product-grid, .parents-grid, .tutor-grid { position: relative; z-index: 2; display: grid; grid-template-columns: .78fr 1.22fr; gap: 68px; align-items: center; }
.product-copy h2 { max-width: 560px; }
.product-copy > p:not(.eyebrow) { color: #c4cfdd; font-size: 1.06rem; }
.tick-list { padding: 0; margin: 28px 0 0; list-style: none; }
.tick-list li { position: relative; padding: 11px 0 11px 30px; border-top: 1px solid rgba(255,255,255,.15); }
.tick-list li::before { content: "↗"; position: absolute; left: 0; color: var(--yellow); font-weight: 900; }
.wide-shot, .parent-shot { margin: 0; }
.wide-shot img, .parent-shot img { width: 100%; border: 2px solid var(--paper-2); box-shadow: 13px 13px 0 var(--cyan); }
.wide-shot figcaption, .parent-shot figcaption { margin-top: 18px; color: #9faec2; font-size: .75rem; }

.subjects { background: var(--paper-2); }
.split-heading { max-width: none; display: grid; grid-template-columns: 1.25fr .75fr; gap: 70px; align-items: end; }
.split-heading > p:last-child { margin: 0 0 4px; }
.subject-cloud { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 58px; }
.subject-cloud span { padding: 10px 14px; border: 1px solid #9eacb8; background: #edf0ea; color: #405064; font-size: .82rem; font-weight: 800; }
.subject-cloud span.active { color: var(--ink); border: 2px solid var(--ink); background: var(--yellow); box-shadow: 3px 3px 0 var(--pink); }
.subject-choice-promise { display: grid; grid-template-columns: 150px .75fr 1.25fr; gap: 24px; align-items: center; margin-top: 40px; padding: 24px 28px; color: white; border: 2px solid var(--ink); background: var(--ink); box-shadow: 8px 8px 0 var(--pink); }
.subject-choice-promise > span { color: var(--cyan); font: 900 .72rem/1.2 ui-monospace, monospace; letter-spacing: .15em; }
.subject-choice-promise strong { color: var(--yellow); font-size: clamp(1.55rem, 3vw, 2.4rem); line-height: .95; letter-spacing: -.04em; }
.subject-choice-promise p { margin: 0; color: #c9d4e1; }
.status-key { margin: 24px 0 0; color: #58687a; font-size: .79rem; }
.status-key i { display: inline-block; width: 10px; height: 10px; margin-right: 7px; background: var(--yellow); border: 1px solid var(--ink); }
.status-key span { margin: 0 8px; }

.tutor-grid { grid-template-columns: 1fr 1fr; }
.phone-stack { min-height: 650px; position: relative; display: grid; place-items: center; }
.phone-back { position: absolute; width: 68%; height: 88%; border: 2px solid var(--pink); transform: rotate(5deg); }
.prototype-shot { position: relative; width: 72%; max-height: 650px; object-fit: cover; object-position: right top; border: 2px solid white; box-shadow: -14px 14px 0 var(--cyan); }
.prototype-label { position: absolute; left: 3%; bottom: 9%; padding: 8px 11px; color: var(--ink); background: var(--yellow); border: 2px solid var(--ink); font: 900 .72rem/1 ui-monospace, monospace; transform: rotate(-3deg); }
.tutor-copy h2 span { color: var(--yellow); }
.tutor-copy > p:not(.eyebrow) { max-width: 560px; color: #c9d4e1; }
.brian-demo { display: grid; grid-template-columns: auto minmax(0, 1fr); gap: 14px; align-items: stretch; margin: 28px 0 24px; }
.brian-button { min-width: 168px; display: inline-flex; align-items: center; justify-content: center; gap: 11px; padding: 14px 17px; color: var(--ink); border: 2px solid white; background: var(--yellow); box-shadow: 5px 5px 0 var(--pink); cursor: pointer; font-weight: 950; letter-spacing: .02em; text-transform: uppercase; transition: transform .18s, box-shadow .18s; }
.brian-button:hover, .brian-button:focus-visible { transform: translate(-2px, -2px); box-shadow: 8px 8px 0 var(--pink); }
.brian-button:focus-visible { outline: 3px solid var(--cyan); outline-offset: 4px; }
.brian-button-icon { width: 30px; height: 30px; display: grid; place-items: center; color: white; border: 2px solid var(--ink); border-radius: 50%; background: var(--ink); font-size: .72rem; line-height: 1; }
.brian-button[data-speaking="true"] .brian-button-icon { animation: brian-speaking .7s steps(2, end) infinite; }
@keyframes brian-speaking { 50% { color: var(--cyan); transform: scale(1.1); } }
.brian-speech { min-height: 112px; padding: 14px 16px; color: var(--ink); border: 2px solid white; background: var(--cyan-soft); box-shadow: 5px 5px 0 rgba(36, 201, 223, .45); }
.brian-speech-label { color: #08788b; font: 900 .66rem/1 ui-monospace, monospace; letter-spacing: .14em; }
.brian-speech p { margin: 8px 0 5px; color: var(--ink); font-size: .94rem; font-weight: 850; line-height: 1.35; }
.brian-speech small { color: #55657a; font-size: .68rem; }
.tutor-copy blockquote { margin: 34px 0; padding: 18px 24px; color: var(--ink); background: var(--cyan); border-left: 8px solid var(--pink); font-size: 1.6rem; font-weight: 950; transform: rotate(-1deg); }
.tutor-copy .fine-copy { font-size: .8rem; }

.parents { background: var(--paper); }
.parents-grid { grid-template-columns: .9fr 1.1fr; }
.parents-copy > p:not(.eyebrow) { color: #435269; font-size: 1.06rem; }
.control-list { margin-top: 32px; border-top: 2px solid var(--ink); }
.control-list div { display: grid; grid-template-columns: 120px 1fr; gap: 18px; padding: 14px 0; border-bottom: 1px solid var(--line); }
.control-list strong { color: #087b8c; }
.control-list span { color: #526277; }
.parent-shot img { border-color: var(--ink); box-shadow: 13px 13px 0 var(--pink); }
.parent-shot figcaption { color: #657386; }

.pricing { overflow: hidden; color: white; background: var(--pink); }
.pricing::before { content: "£0.99"; position: absolute; right: -5%; top: -16%; color: transparent; -webkit-text-stroke: 2px rgba(255,255,255,.2); font-size: 25vw; font-weight: 1000; line-height: 1; transform: rotate(-8deg); }
.pricing-grid { position: relative; z-index: 2; display: grid; grid-template-columns: 1.1fr .9fr; gap: 80px; align-items: center; }
.pricing-copy .eyebrow { color: var(--ink); }
.pricing-copy h2 span { color: var(--yellow); text-shadow: 6px 6px 0 var(--ink); }
.pricing-copy > p:last-child { max-width: 600px; font-size: 1.12rem; }
.price-card { position: relative; padding: 42px; color: var(--ink); border: 3px solid var(--ink); background: var(--paper-2); box-shadow: 14px 14px 0 var(--cyan); transform: rotate(1.2deg); }
.price-card > p { margin: 0; color: #69788a; font-weight: 900; text-transform: uppercase; letter-spacing: .1em; }
.price-card > strong { display: block; margin: 3px 0; font-size: clamp(5rem, 9vw, 8rem); line-height: .95; letter-spacing: -.07em; }
.price-card > strong sup { font-size: .35em; vertical-align: top; }
.price-card h3 { margin: 0 0 20px; font-size: 1.5rem; }
.price-card ul { padding: 0; margin: 0 0 26px; list-style: none; }
.price-card li { padding: 8px 0; border-top: 1px solid var(--line); }
.price-card li::before { content: "✓"; margin-right: 8px; color: #078092; font-weight: 1000; }
.price-card small { color: #68778a; }
.price-burst { position: absolute; right: -32px; top: -40px; width: 100px; height: 100px; display: grid; place-items: center; text-align: center; line-height: 1.05; border: 2px solid var(--ink); border-radius: 50%; background: var(--yellow); box-shadow: 5px 5px 0 var(--ink); font-size: .76rem; font-weight: 1000; transform: rotate(8deg); }

.principles { background: var(--paper-2); }
.principle-grid { display: grid; grid-template-columns: repeat(4,1fr); gap: 18px; margin-top: 58px; }
.principle-grid article { min-height: 265px; padding: 25px; border: 2px solid var(--ink); background: var(--paper); }
.principle-grid article:nth-child(2n) { transform: translateY(18px); }
.principle-grid span { font: 900 .8rem/1 ui-monospace, monospace; color: #078092; }
.principle-grid h3 { margin: 30px 0 10px; font-size: 1.3rem; line-height: 1.1; }
.principle-grid p { margin: 0; color: #506074; }
.independence-note { max-width: 850px; margin: 50px 0 0; padding: 17px 20px; border-left: 7px solid var(--yellow); background: #e7eced; color: #465469; font-size: .82rem; }

.updates { overflow: hidden; }
.updates::after { content: "SOON"; position: absolute; right: -1%; bottom: -25%; color: transparent; -webkit-text-stroke: 2px rgba(36,201,223,.15); font-size: 19vw; font-weight: 1000; line-height: 1; }
.updates-grid { position: relative; z-index: 2; display: grid; grid-template-columns: 1fr .7fr; gap: 90px; align-items: center; }
.updates h2 { color: white; }
.updates p:not(.eyebrow) { max-width: 600px; margin: 24px 0 30px; color: #c2cfdd; font-size: 1.08rem; }
.brevo-signup { width: min(100%, 620px); overflow: hidden; border: 2px solid var(--cyan); background: #fff; box-shadow: 10px 10px 0 var(--pink); }
.brevo-signup iframe { display: block; width: 100%; min-height: 360px; border: 0; background: #fff; }
.updates .brevo-signup .signup-privacy { max-width: none; margin: 0; padding: 10px 14px 12px; border-top: 1px solid #d7dee7; background: #f4f6f8; color: #657286; font-size: .7rem; line-height: 1.45; }
.signup-privacy a { color: #33445d; text-underline-offset: 2px; }
.store-panel { min-height: 290px; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 16px; border: 2px solid white; background: rgba(255,255,255,.045); box-shadow: 11px 11px 0 var(--pink); transform: rotate(2deg); }
.store-panel img { width: 220px; image-rendering: auto; }
.store-panel strong { color: var(--yellow); font-size: 2rem; letter-spacing: .1em; }
.store-panel span { color: #aebdce; }

.faq { background: var(--paper); }
.faq-grid { display: grid; grid-template-columns: .65fr 1.35fr; gap: 80px; }
.faq-list { border-top: 2px solid var(--ink); }
.faq-list details { border-bottom: 2px solid var(--ink); }
.faq-list summary { cursor: pointer; list-style: none; display: flex; justify-content: space-between; gap: 20px; padding: 20px 0; font-size: 1.08rem; font-weight: 900; }
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary span { color: #078092; font-size: 1.5rem; transition: transform .2s; }
.faq-list details[open] summary span { transform: rotate(45deg); }
.faq-list p { margin: 0; padding: 0 50px 20px 0; color: #506075; }

.site-footer { padding: 58px 0 22px; color: white; background: #060b14; border-top: 4px solid var(--cyan); }
.footer-grid { display: grid; grid-template-columns: 1fr auto 180px; gap: 60px; align-items: center; }
.footer-brand { display: flex; gap: 18px; align-items: center; }
.footer-brand p { margin: 0; color: #9eadc0; font-size: .86rem; }
.footer-brand strong { color: white; }
.footer-links { display: grid; grid-template-columns: repeat(2,auto); gap: 10px 24px; font-size: .8rem; }
.footer-links a { color: #c2cede; }
.pp-link img { width: 160px; filter: brightness(0) invert(1); }
.footer-bottom { display: flex; justify-content: space-between; gap: 20px; margin-top: 36px; padding-top: 18px; color: #728198; border-top: 1px solid rgba(255,255,255,.12); font-size: .72rem; }

.reveal { opacity: 0; transform: translateY(28px); transition: opacity .7s ease, transform .7s ease; }
.reveal[data-delay="1"] { transition-delay: .12s; }
.reveal[data-delay="2"] { transition-delay: .24s; }
.reveal[data-delay="3"] { transition-delay: .36s; }
.reveal.in-view { opacity: 1; transform: none; }

@media (max-width: 980px) {
  :root { --shell: min(100% - 32px, 760px); }
  .nav-toggle { display: block; }
  .site-nav { position: absolute; top: 76px; inset-inline: 0; display: grid; gap: 0; padding: 18px 20px 24px; background: var(--ink); border-bottom: 2px solid var(--cyan); transform: translateY(-130%); opacity: 0; pointer-events: none; transition: transform .25s, opacity .25s; }
  .site-nav.open { transform: none; opacity: 1; pointer-events: auto; }
  .site-nav a { padding: 13px 0; border-bottom: 1px solid rgba(255,255,255,.12); }
  .nav-cta { margin-top: 10px; padding-inline: 12px !important; }
  .hero { padding-top: 126px; }
  .hero-grid, .product-grid, .parents-grid, .tutor-grid, .pricing-grid, .updates-grid, .faq-grid, .split-heading { grid-template-columns: 1fr; }
  .hero-copy { max-width: 700px; }
  .hero-visual { min-height: 650px; }
  .device { width: min(540px, 84%); }
  .steps-grid { grid-template-columns: 1fr; }
  .story-grid { grid-template-columns: .55fr 1.45fr; gap: 42px; }
  .step-card, .step-card:nth-child(2) { min-height: 0; transform: none; }
  .product-grid, .parents-grid, .tutor-grid, .pricing-grid, .updates-grid, .faq-grid { gap: 54px; }
  .split-heading { gap: 26px; }
  .subject-choice-promise { grid-template-columns: 120px 1fr; }
  .subject-choice-promise p { grid-column: 1 / -1; }
  .principle-grid { grid-template-columns: repeat(2,1fr); }
  .prototype-shot { width: 68%; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .pp-link { grid-column: 1 / -1; }
}

@media (max-width: 640px) {
  :root { --shell: min(100% - 24px, 560px); }
  .site-header { min-height: 68px; padding-inline: 12px; }
  .site-nav { top: 68px; }
  .brand { font-size: .67rem; }
  .brand-mark { width: 38px; height: 38px; }
  .hero { min-height: 0; padding-top: 112px; }
  .hero-grid { gap: 18px; padding-bottom: 62px; }
  .hero h1 { font-size: clamp(3.25rem, 18vw, 5rem); }
  .hero h1 em { -webkit-text-stroke-width: 1.4px; text-shadow: 3px 3px 0 rgba(242,79,135,.85); }
  .hero-lede { font-size: 1rem; }
  .button { width: 100%; }
  .signal-list { display: grid; grid-template-columns: 1fr; }
  .hero-visual { min-height: 510px; }
  .device { width: 88%; border-radius: 24px; transform: rotate(1deg); }
  .device-screen { border-radius: 10px; }
  .floating-note { font-size: .6rem; }
  .note-one { right: 0; top: 3%; }
  .note-two { left: 0; bottom: 6%; }
  .spark { display: none; }
  .section { padding: 80px 0; }
  .section-heading h2, .product-copy h2, .tutor-copy h2, .parents-copy h2, .pricing-copy h2, .updates h2, .faq h2 { font-size: clamp(2.5rem, 13vw, 4rem); }
  .steps-grid { margin-top: 44px; }
  .story-grid { grid-template-columns: 1fr; gap: 48px; }
  .story-stamp { width: min(280px, 80%); margin-inline: auto; }
  .step-card { padding: 26px; }
  .product-grid, .parents-grid, .tutor-grid, .pricing-grid, .updates-grid, .faq-grid { gap: 40px; }
  .wide-shot img, .parent-shot img { box-shadow: 7px 7px 0 var(--cyan); }
  .parent-shot img { box-shadow-color: var(--pink); }
  .subject-cloud { margin-top: 38px; }
  .subject-cloud span { padding: 8px 10px; font-size: .75rem; }
  .subject-choice-promise { grid-template-columns: 1fr; gap: 13px; padding: 22px; }
  .subject-choice-promise p { grid-column: auto; }
  .phone-stack { min-height: 500px; }
  .prototype-shot { width: 84%; max-height: 520px; }
  .phone-back { width: 80%; }
  .brian-demo { grid-template-columns: 1fr; }
  .brian-button { width: 100%; min-height: 58px; }
  .brian-speech { min-height: 0; }
  .control-list div { grid-template-columns: 1fr; gap: 3px; }
  .price-card { padding: 32px 24px; box-shadow: 8px 8px 0 var(--cyan); }
  .price-burst { right: -8px; top: -55px; width: 88px; height: 88px; }
  .principle-grid { grid-template-columns: 1fr; }
  .principle-grid article:nth-child(2n) { transform: none; }
  .store-panel { min-height: 240px; }
  .faq-list p { padding-right: 0; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .pp-link { grid-column: auto; }
  .footer-bottom { flex-direction: column; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
  .reveal { opacity: 1; transform: none; }
}

/* Approved GCSE AURA icon in the header and footer. */
.brand-mark--icon { display: block; flex-shrink: 0; object-fit: contain; background: transparent; border: 0; box-shadow: none; transform: none; }