:root {
  --bg: #0b0d14;
  --surface: rgba(255, 255, 255, 0.04);
  --line: rgba(255, 255, 255, 0.09);
  --text: #eef0f5;
  --muted: #9aa3b5;
  --amber: #FFB020;
  --orange: #FF7A1A;
  --cyan: #4CC9F0;
  --green: #3DDC84;
  --violet: #8B5CF6;
  --radius: 22px;
  --font-head: "Space Grotesk", system-ui, sans-serif;
  --font-body: "Inter", system-ui, sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
a { color: inherit; text-decoration: none; }
h1, h2, h3 { font-family: var(--font-head); letter-spacing: -0.01em; margin: 0 0 0.4em; }
h1 { font-size: clamp(2.4rem, 6vw, 4.2rem); line-height: 1.02; font-weight: 700; }
h2 { font-size: clamp(1.7rem, 3.5vw, 2.4rem); }
h3 { font-size: 1.15rem; }
p { margin: 0 0 1em; }
.sub { color: var(--muted); font-size: 1.1rem; margin-top: -0.3em; }
.grad {
  background: linear-gradient(90deg, var(--amber), var(--orange) 55%, var(--cyan));
  -webkit-background-clip: text; background-clip: text; color: transparent;
}

/* backdrop blobs */
.bg { position: fixed; inset: 0; z-index: -1; overflow: hidden; pointer-events: none; }
.bg span { position: absolute; border-radius: 50%; filter: blur(90px); opacity: 0.35; animation: drift 24s ease-in-out infinite alternate; }
.b1 { width: 60vmax; height: 60vmax; left: -20vmax; top: -25vmax; background: var(--violet); }
.b2 { width: 50vmax; height: 50vmax; right: -20vmax; top: 10vh; background: var(--cyan); animation-delay: -8s; }
.b3 { width: 55vmax; height: 55vmax; left: 20vw; bottom: -35vmax; background: var(--amber); animation-delay: -16s; }
@keyframes drift { from { transform: translate(0, 0) } to { transform: translate(6vw, 5vh) } }

/* nav */
.nav {
  position: sticky; top: 0; z-index: 10;
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px clamp(16px, 5vw, 56px);
  backdrop-filter: blur(14px); background: rgba(11, 13, 20, 0.6);
  border-bottom: 1px solid var(--line);
}
.brand { display: flex; align-items: center; gap: 10px; font-family: var(--font-head); font-weight: 700; font-size: 1.15rem; }
.brand img { border-radius: 50%; }
.nav nav { display: flex; gap: 22px; align-items: center; color: var(--muted); font-weight: 500; }
.nav nav a:hover { color: var(--text); }
.nav nav a { white-space: nowrap; }
@media (max-width: 1100px) { .nav nav { gap: 18px; } .nav nav a.wide { display: none; } }
@media (max-width: 720px) { .nav nav a:not(.btn) { display: none; } }

/* buttons */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 12px 22px; border-radius: 999px; font-weight: 600; font-size: 1rem;
  border: 1px solid var(--line); transition: transform .15s ease, box-shadow .15s ease, background .15s;
  color: var(--text);
}
.btn:hover { transform: translateY(-1px); }
.btn-ghost { background: var(--surface); }
.btn-ghost:hover { background: rgba(255,255,255,0.08); }
.btn-primary {
  background: linear-gradient(135deg, var(--amber), var(--orange));
  color: #15120a; border-color: transparent;
  box-shadow: 0 10px 30px -10px rgba(255, 176, 32, 0.6);
}
.btn-primary:hover { box-shadow: 0 14px 36px -10px rgba(255, 176, 32, 0.8); }
.btn.big { padding: 16px 32px; font-size: 1.15rem; }

/* tester programme banner, under the sticky header */
.tester-banner {
  display: flex; align-items: center; justify-content: center; gap: 18px; flex-wrap: wrap;
  margin: 14px auto 0; padding: 14px 20px;
  width: calc(100% - 2 * clamp(16px, 5vw, 56px)); max-width: 1180px;
  border: 1px solid rgba(255, 176, 32, 0.45); border-radius: 16px;
  background: linear-gradient(135deg, rgba(255, 176, 32, 0.14), rgba(255, 122, 26, 0.08));
}
.tester-banner-text { display: flex; flex-direction: column; gap: 2px; max-width: 72ch; font-size: 0.95rem; }
.tester-banner-text strong { color: var(--amber); }
.tester-banner-text span { color: var(--muted); }
.tester-banner .btn { flex-shrink: 0; }

/* layout */
main { padding: 0 clamp(16px, 5vw, 56px); max-width: 1180px; margin: 0 auto; }
.section { padding: clamp(48px, 8vw, 96px) 0; border-top: 1px solid var(--line); }
.hero {
  display: grid; grid-template-columns: 1.2fr 1fr; gap: 40px; align-items: center;
  padding: clamp(48px, 9vw, 120px) 0 clamp(40px, 7vw, 90px);
}
@media (max-width: 860px) { .hero { grid-template-columns: 1fr; } .hero-art { order: -1; justify-self: center; } }
.eyebrow { color: var(--cyan); font-weight: 600; letter-spacing: 0.08em; text-transform: uppercase; font-size: 0.8rem; }
.lede { font-size: 1.15rem; color: var(--muted); max-width: 56ch; }
.cta { display: flex; gap: 12px; flex-wrap: wrap; margin: 24px 0 16px; }
.fine { color: var(--muted); font-size: 0.85rem; }
.hero-art { position: relative; display: grid; place-items: center; }
.hero-art img { width: min(300px, 70vw); height: auto; filter: drop-shadow(0 30px 60px rgba(255, 140, 26, 0.35)); animation: bob 5s ease-in-out infinite; }
@keyframes bob { 0%, 100% { transform: translateY(0) } 50% { transform: translateY(-10px) } }
.bubble {
  position: absolute; bottom: -8px; right: 0; max-width: 260px;
  background: var(--surface); border: 1px solid var(--line); backdrop-filter: blur(10px);
  padding: 12px 16px; border-radius: 18px 18px 18px 6px; font-size: 0.95rem;
}

/* steps */
.steps { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 16px; margin-top: 28px; }
.steps article, .feat, .card {
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 22px;
  transition: transform .18s ease, border-color .18s ease;
}
.steps article:hover, .feat:hover { transform: translateY(-3px); border-color: rgba(255,255,255,0.18); }
.steps .n {
  display: inline-grid; place-items: center; width: 34px; height: 34px; border-radius: 10px;
  background: linear-gradient(135deg, var(--amber), var(--orange)); color: #15120a; font-weight: 700; font-family: var(--font-head);
  margin-bottom: 12px;
}
.steps p, .feat p { color: var(--muted); margin: 0; }

.note { color: var(--muted); margin: 20px 0 0; }

/* pricing */
.pricing { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 16px; margin-top: 28px; }
.price { border-top: 3px solid var(--amber); }
.price.included { border-top-color: var(--cyan); }
.price-eyebrow { color: var(--muted); font-size: 0.8rem; font-weight: 600; letter-spacing: 0.08em; text-transform: uppercase; margin: 0 0 6px; }
.price-amount { font-family: var(--font-head); font-size: 2.6rem; font-weight: 700; line-height: 1; margin: 0 0 12px; }
.price-amount span { font-family: var(--font-body); font-size: 1rem; font-weight: 500; color: var(--muted); }
.price-note { color: var(--muted); margin: 0; }
.price ul { padding-left: 18px; color: var(--muted); margin: 0; }
.price li { margin-bottom: 8px; }
.price li:last-child { margin-bottom: 0; }
.fine a { color: var(--amber); text-decoration: underline; text-underline-offset: 3px; }

/* who it's for */
.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 16px; margin-top: 28px; }
.cards p, .extra p { color: var(--muted); margin: 0; }

/* subjects */
.subjects { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 16px; margin: 28px 0 16px; }
.subj {
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 22px;
  border-top: 3px solid var(--c);
}
.subj h3 { color: var(--c); margin-bottom: 2px; }
.subj .spec { font-size: 0.8rem; color: var(--muted); letter-spacing: 0.02em; margin-bottom: 10px; }
.subj p:last-child { color: var(--muted); margin: 0; }

.subjects.core { grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); }
.gcse { display: grid; grid-template-columns: 1fr 1.2fr; gap: 20px; align-items: center; margin-bottom: 16px; border-color: rgba(255,176,32,0.35); }
.gcse p { color: var(--muted); margin: 0; }
.gcse p + p { margin-top: 10px; }
@media (max-width: 760px) { .gcse { grid-template-columns: 1fr; } }
.chips { list-style: none; padding: 0; margin: 0; display: flex; flex-wrap: wrap; gap: 8px; }
.chips li { padding: 6px 14px; border-radius: 999px; background: rgba(255,255,255,0.06); border: 1px solid var(--line); font-weight: 500; font-size: 0.95rem; }
.big-chips { gap: 10px; justify-content: center; }
.big-chips li { padding: 10px 18px; font-size: 1.05rem; }
.split { display: grid; grid-template-columns: 1.2fr 1fr; gap: 40px; align-items: center; }
.split p:not(.sub) { color: var(--muted); max-width: 62ch; }
@media (max-width: 860px) { .split { grid-template-columns: 1fr; } }

/* how it sticks */
.ladder { padding-left: 20px; color: var(--muted); max-width: 70ch; margin: 24px 0; }
.ladder li { margin-bottom: 12px; }
.ladder strong { color: var(--text); }
#sticks > p:last-child { max-width: 70ch; }

/* features */
.features { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 16px; }
.feat .ico {
  width: 44px; height: 44px; border-radius: 14px; display: grid; place-items: center; font-weight: 700; font-size: 1.3rem;
  background: color-mix(in srgb, var(--c) 22%, transparent); color: var(--c); margin-bottom: 14px;
}

/* my city */
.city { display: grid; grid-template-columns: 1fr 1.15fr; gap: 40px; align-items: center; }
@media (max-width: 900px) { .city { grid-template-columns: 1fr; } .city-shot { order: -1; } }
.city-text ul { padding-left: 18px; color: var(--muted); margin: 0 0 18px; }
.city-text li { margin-bottom: 10px; }
.city-text li strong { color: var(--text); }
.city-text .note { margin-top: 0; font-size: 0.95rem; }
.city-shot { margin: 0; }
.city-shot img {
  display: block; width: 100%; height: auto; border-radius: var(--radius); border: 1px solid var(--line);
  box-shadow: 0 30px 80px -30px rgba(76, 201, 240, 0.45);
}
.city-shot figcaption { color: var(--muted); font-size: 0.85rem; margin-top: 10px; text-align: center; }

/* money landing variant: city screenshot in the hero with Levi peeking in */
.hero.money { grid-template-columns: 1fr 1.15fr; }
.hero-shot { position: relative; margin: 0; }
.hero-shot img.shot {
  display: block; width: 100%; height: auto; border-radius: var(--radius); border: 1px solid var(--line);
  box-shadow: 0 30px 80px -30px rgba(255, 176, 32, 0.5);
}
.hero-shot img.levi {
  position: absolute; left: -28px; bottom: -22px; width: min(120px, 28vw); height: auto;
  filter: drop-shadow(0 20px 40px rgba(255, 140, 26, 0.35)); animation: bob 5s ease-in-out infinite;
}
.hero-shot .bubble { bottom: auto; top: -14px; right: -6px; max-width: 240px; }
@media (max-width: 860px) { .hero.money { grid-template-columns: 1fr; } .hero-shot { order: -1; margin-top: 18px; } }
.money-points { padding-left: 18px; color: var(--muted); margin: 18px 0 0; }
.money-points li { margin-bottom: 8px; }
.money-points li strong { color: var(--text); }

/* parents */
.parents { display: grid; grid-template-columns: 1.1fr 1fr; gap: 40px; align-items: center; }
@media (max-width: 860px) { .parents { grid-template-columns: 1fr; } }
.parents ul { padding-left: 18px; color: var(--muted); margin: 0 0 24px; }
.parents li { margin-bottom: 10px; }
.parents li strong { color: var(--text); }
.mock { margin: 0; }
.mock figcaption { color: var(--muted); font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.08em; }
.mock .row { display: flex; justify-content: space-between; margin: 10px 0 6px; font-size: 0.95rem; }
.mock .row.small { color: var(--muted); font-size: 0.8rem; margin-top: -2px; }
.mock .bar { height: 8px; border-radius: 8px; background: rgba(255,255,255,0.08); overflow: hidden; }
.mock .bar i { display: block; height: 100%; background: var(--green); border-radius: 8px; }
.mock .good { color: var(--green); }
.mock .tip { margin-top: 16px; padding: 12px 14px; border-radius: 14px; background: rgba(255,176,32,0.12); color: var(--text); font-size: 0.9rem; }

/* faq */
.faq details { border: 1px solid var(--line); border-radius: 16px; padding: 14px 18px; margin-bottom: 10px; background: var(--surface); }
.faq summary { cursor: pointer; font-weight: 600; font-family: var(--font-head); }
.faq details p { color: var(--muted); margin: 10px 0 0; }
.faq a { color: var(--cyan); }

.final { text-align: center; }
.final h2 { margin-bottom: 24px; }

footer {
  display: flex; justify-content: space-between; flex-wrap: wrap; gap: 10px;
  padding: 24px clamp(16px, 5vw, 56px); color: var(--muted); font-size: 0.9rem; border-top: 1px solid var(--line);
}
footer a:hover { color: var(--text); }
footer .footer-contact a[href^="mailto:"] { color: var(--cyan); font-weight: 500; }