@font-face {
  font-family: Nunito;
  src: url("assets/fonts/Nunito-Regular.ttf") format("truetype");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: Nunito;
  src: url("assets/fonts/Nunito-Bold.ttf") format("truetype");
  font-weight: 700 800;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: Nunito;
  src: url("assets/fonts/Nunito-Black.ttf") format("truetype");
  font-weight: 900 1000;
  font-style: normal;
  font-display: swap;
}

:root {
  --bg: #101521;
  --surface: #1b2231;
  --surface-2: #252d3e;
  --border: #343d51;
  --text: #f3f6fc;
  --muted: #aab3c8;
  --lime: #b4f03c;
  --lime-edge: #7fb520;
  --cyan: #45d9ff;
  --blue: #1671f8;
  --max: 1180px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: Nunito, ui-rounded, "SF Pro Rounded", system-ui, -apple-system, sans-serif;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }

.container { width: min(calc(100% - 40px), var(--max)); margin-inline: auto; }

.skip-link {
  position: fixed;
  top: 8px;
  left: 8px;
  z-index: 100;
  padding: 10px 14px;
  border-radius: 10px;
  background: var(--lime);
  color: var(--bg);
  transform: translateY(-160%);
}
.skip-link:focus { transform: translateY(0); }

.site-header {
  position: absolute;
  inset: 0 0 auto;
  z-index: 10;
  border-bottom: 1px solid rgb(255 255 255 / 7%);
}

.header-inner { min-height: 76px; display: flex; align-items: center; gap: 32px; }
.brand { display: inline-flex; align-items: center; gap: 9px; font-size: 21px; font-weight: 900; }
.brand img { width: 38px; height: 38px; object-fit: contain; }
.desktop-nav { display: flex; gap: 28px; margin-inline: auto; color: var(--muted); font-weight: 700; font-size: 14px; }
.desktop-nav a:hover, .text-link:hover { color: var(--text); }
.header-actions { display: flex; align-items: center; gap: 18px; font-weight: 800; font-size: 14px; }
.menu-toggle, .mobile-menu { display: none; }

.button {
  display: inline-flex;
  justify-content: center;
  align-items: center;
  gap: 10px;
  min-height: 56px;
  padding: 0 24px;
  border: 1px solid transparent;
  border-radius: 17px;
  background: var(--lime);
  box-shadow: 0 5px 0 var(--lime-edge), 0 24px 52px -18px rgb(180 240 60 / 55%);
  color: var(--bg);
  font-weight: 900;
  transition: transform 160ms ease, box-shadow 160ms ease;
}
.button:hover { transform: translateY(-2px); box-shadow: 0 7px 0 var(--lime-edge), 0 28px 56px -18px rgb(180 240 60 / 65%); }
.button:active { transform: translateY(3px); box-shadow: 0 2px 0 var(--lime-edge); }
.button:focus-visible, a:focus-visible, button:focus-visible { outline: 3px solid var(--cyan); outline-offset: 4px; }
.button-small { min-height: 42px; padding-inline: 18px; border-radius: 13px; box-shadow: 0 4px 0 var(--lime-edge); }
.button-secondary { background: transparent; border-color: var(--border); box-shadow: none; color: var(--text); }
.button-secondary:hover { border-color: var(--cyan); box-shadow: none; }

.hero {
  min-height: 100svh;
  overflow: hidden;
  padding: 150px 0 82px;
  background:
    radial-gradient(circle at 68% 45%, rgb(69 217 255 / 9%), transparent 25%),
    radial-gradient(circle at 20% 85%, rgb(22 113 248 / 11%), transparent 28%),
    linear-gradient(180deg, #111724 0%, var(--bg) 100%);
}
.hero-grid { display: grid; grid-template-columns: minmax(0, 1.02fr) minmax(390px, .98fr); align-items: center; gap: 70px; }
.hero-copy { position: relative; z-index: 2; }
.eyebrow { display: flex; align-items: center; gap: 9px; margin: 0 0 18px; color: var(--cyan); font-size: 13px; font-weight: 900; letter-spacing: .08em; text-transform: uppercase; }
.eyebrow span { width: 8px; height: 8px; border-radius: 50%; background: var(--lime); box-shadow: 0 0 16px var(--lime); }
h1 { max-width: 760px; margin: 0; font-size: clamp(48px, 6.3vw, 79px); line-height: .98; letter-spacing: -.055em; font-weight: 950; }
h1 em { color: var(--lime); font-style: normal; text-shadow: 0 0 40px rgb(180 240 60 / 18%); }
.hero-lead { max-width: 610px; margin: 27px 0 0; color: var(--muted); font-size: clamp(17px, 1.7vw, 20px); line-height: 1.65; font-weight: 650; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 16px; margin-top: 34px; }
.trust-list { display: flex; flex-wrap: wrap; gap: 10px 22px; margin: 34px 0 0; padding: 0; list-style: none; color: var(--muted); font-size: 13px; font-weight: 800; }
.trust-list li::before { content: "✓"; margin-right: 7px; color: var(--lime); }

.hero-visual { position: relative; min-height: 620px; display: grid; place-items: center; }
.glow { position: absolute; border-radius: 50%; filter: blur(12px); }
.glow-one { width: 430px; height: 430px; background: rgb(69 217 255 / 10%); }
.glow-two { width: 270px; height: 270px; right: 1%; bottom: 4%; background: rgb(180 240 60 / 8%); }
.phone {
  position: relative;
  z-index: 2;
  width: 318px;
  min-height: 620px;
  padding: 15px 20px 24px;
  overflow: hidden;
  border: 8px solid #070b12;
  border-radius: 44px;
  background: #151a26;
  box-shadow: 0 45px 90px -30px #000, 0 0 0 1px var(--border), inset 0 1px rgb(255 255 255 / 8%);
  transform: rotate(2deg);
}
.phone-top { display: flex; justify-content: space-between; font-size: 10px; font-weight: 900; }
.app-hud { display: flex; justify-content: space-between; align-items: center; margin-top: 23px; }
.mini-brand { display: flex; align-items: center; gap: 6px; font-weight: 900; }
.mini-brand img { width: 24px; height: 24px; }
.streak { padding: 6px 9px; border: 1px solid rgb(180 240 60 / 28%); border-radius: 999px; background: rgb(180 240 60 / 10%); color: var(--lime); font-size: 11px; font-weight: 900; }
.topic { display: flex; flex-direction: column; gap: 6px; margin-top: 22px; padding: 15px; border: 1px solid var(--border); border-radius: 18px; background: var(--surface); }
.topic small { color: var(--cyan); font-size: 9px; font-weight: 900; letter-spacing: .1em; }
.topic strong { font-size: 14px; line-height: 1.3; }
.topic span { color: var(--muted); font-size: 10px; font-weight: 800; }
.ai-orb { position: relative; width: 114px; height: 114px; display: grid; place-items: center; margin: 52px auto 0; border-radius: 50%; background: radial-gradient(circle at 35% 30%, var(--cyan), #177ef5 52%, #6a39db); box-shadow: 0 0 55px rgb(69 217 255 / 40%); }
.ai-orb::before, .ai-orb span { content: ""; position: absolute; inset: -12px; border: 1px solid rgb(69 217 255 / 25%); border-radius: inherit; }
.ai-orb span { inset: -26px; opacity: .55; }
.ai-orb b { font-size: 24px; color: white; }
.ai-line { min-height: 48px; margin: 32px auto 0; text-align: center; font-size: 15px; line-height: 1.5; font-weight: 800; }
.mic-demo { width: 74px; height: 74px; display: grid; place-items: center; margin: 23px auto 0; border: 0; border-radius: 50%; background: var(--lime); box-shadow: 0 6px 0 var(--lime-edge), 0 20px 40px -15px rgb(180 240 60 / 60%); color: var(--bg); cursor: pointer; }
.mic-demo span { font-size: 37px; transform: rotate(90deg); }
.mic-label { margin: 14px 0 0; color: var(--muted); text-align: center; font-size: 10px; font-weight: 800; }
.progress-row { display: flex; justify-content: space-between; margin-top: 31px; padding-top: 13px; border-top: 1px solid var(--border); color: var(--muted); font-size: 10px; font-weight: 900; }
.progress-row span:first-child { color: var(--lime); }
.floating-card { position: absolute; z-index: 3; display: flex; flex-direction: column; padding: 13px 15px; border: 1px solid var(--border); border-radius: 16px; background: rgb(27 34 49 / 92%); box-shadow: 0 20px 45px -20px #000; backdrop-filter: blur(16px); }
.floating-card span { color: var(--muted); font-size: 10px; font-weight: 800; }
.floating-card strong { color: var(--lime); font-size: 20px; }
.result-card { top: 20%; right: -2%; }
.xp-card { left: -2%; bottom: 19%; }

.proof-bar { border-block: 1px solid var(--border); background: #131925; }
.proof-grid { display: grid; grid-template-columns: repeat(4, 1fr); }
.proof-grid div { display: flex; flex-direction: column; gap: 4px; padding: 25px 24px; border-left: 1px solid var(--border); }
.proof-grid div:last-child { border-right: 1px solid var(--border); }
.proof-grid strong { color: var(--lime); font-size: 15px; font-weight: 950; }
.proof-grid span { color: var(--muted); font-size: 12px; font-weight: 700; }

.section { padding: 118px 0; }
.section-heading { max-width: 760px; margin: 0 auto 54px; text-align: center; }
.section-heading .eyebrow { justify-content: center; }
.section-heading h2, .teacher-copy h2, .cta-card h2 {
  margin: 0;
  font-size: clamp(38px, 5vw, 62px);
  line-height: 1.03;
  letter-spacing: -.045em;
  font-weight: 950;
}
.section-heading h2 em, .teacher-copy h2 em, .cta-card h2 em { color: var(--lime); font-style: normal; }
.section-heading > p:last-child, .teacher-copy > p {
  max-width: 650px;
  margin: 22px auto 0;
  color: var(--muted);
  font-size: 17px;
  line-height: 1.7;
  font-weight: 650;
}
.left-heading { margin: 0; text-align: left; }
.left-heading .eyebrow { justify-content: flex-start; }
.left-heading > p:last-child { margin-inline: 0; }

.feature-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.feature-card {
  position: relative;
  min-height: 470px;
  padding: 30px;
  overflow: hidden;
  border: 1px solid var(--border);
  border-radius: 28px;
  background: linear-gradient(145deg, var(--surface), #171d2a);
  box-shadow: 0 28px 60px -38px #000;
}
.feature-card::after { content: ""; position: absolute; width: 230px; height: 230px; right: -100px; top: -110px; border-radius: 50%; background: rgb(69 217 255 / 8%); filter: blur(4px); }
.feature-game::after { background: rgb(180 240 60 / 8%); }
.feature-icon { width: 54px; height: 54px; display: grid; place-items: center; border: 1px solid rgb(69 217 255 / 30%); border-radius: 17px; background: rgb(69 217 255 / 10%); color: var(--cyan); font-size: 17px; font-weight: 950; }
.feature-teacher .feature-icon { border-color: rgb(180 240 60 / 30%); background: rgb(180 240 60 / 10%); color: var(--lime); }
.feature-game .feature-icon { border-color: rgb(255 149 72 / 35%); background: rgb(255 149 72 / 10%); color: #ff9548; }
.card-label { margin: 29px 0 10px; color: var(--cyan); font-size: 10px; font-weight: 950; letter-spacing: .12em; }
.feature-teacher .card-label { color: var(--lime); }
.feature-game .card-label { color: #ff9548; }
.feature-card h3 { margin: 0; font-size: 24px; line-height: 1.2; letter-spacing: -.02em; }
.feature-card > p:not(.card-label) { margin: 15px 0 0; color: var(--muted); font-size: 14px; line-height: 1.65; font-weight: 650; }
.skill-bars { display: grid; gap: 13px; margin-top: 29px; }
.skill-bars span { display: grid; grid-template-columns: 1fr 56px; gap: 10px; color: var(--muted); font-size: 10px; font-weight: 900; }
.skill-bars i { position: relative; grid-column: 1 / -1; height: 7px; overflow: hidden; border-radius: 999px; background: var(--surface-2); }
.skill-bars i::after { content: ""; position: absolute; inset: 0 auto 0 0; width: var(--value); border-radius: inherit; background: linear-gradient(90deg, var(--blue), var(--cyan)); }
.teacher-preview { display: grid; grid-template-columns: auto 1fr auto; align-items: center; gap: 11px; margin-top: 29px; padding: 13px; border: 1px solid var(--border); border-radius: 16px; background: #141a26; }
.teacher-preview div:nth-child(2) { display: flex; min-width: 0; flex-direction: column; }
.teacher-preview strong { overflow: hidden; font-size: 12px; text-overflow: ellipsis; white-space: nowrap; }
.teacher-preview span { margin-top: 2px; color: var(--muted); font-size: 9px; font-weight: 700; }
.teacher-preview b { color: #ffc14a; font-size: 10px; }
.avatar { width: 40px; height: 40px; display: grid; place-items: center; border-radius: 50%; color: #fff; font-size: 11px; font-weight: 950; }
.avatar-one { background: linear-gradient(145deg, #6f46d8, #2878ef); }
.avatar-two { background: linear-gradient(145deg, #ec7d49, #d54e82); }
.avatar-three { background: linear-gradient(145deg, #18a78c, #2470d7); }
.slot-row { display: grid; grid-template-columns: repeat(3, 1fr); gap: 7px; margin-top: 8px; }
.slot-row span { padding: 8px 3px; border: 1px solid rgb(180 240 60 / 26%); border-radius: 9px; background: rgb(180 240 60 / 8%); color: var(--lime); text-align: center; font-size: 9px; font-weight: 900; }
.level-preview { margin-top: 34px; padding: 17px; border: 1px solid var(--border); border-radius: 18px; background: #141a26; }
.level-preview div { display: flex; justify-content: space-between; align-items: baseline; }
.level-preview span { font-size: 12px; font-weight: 950; }
.level-preview strong { color: var(--lime); font-size: 13px; }
.level-preview > i { display: block; height: 10px; margin-top: 13px; overflow: hidden; border-radius: 999px; background: var(--surface-2); }
.level-preview > i b { display: block; width: 69%; height: 100%; border-radius: inherit; background: linear-gradient(90deg, var(--lime-edge), var(--lime)); box-shadow: 0 0 18px rgb(180 240 60 / 35%); }
.level-preview small { display: block; margin-top: 9px; color: var(--muted); font-size: 9px; font-weight: 800; }

.how { border-block: 1px solid var(--border); background: #131925; }
.how-grid { display: grid; grid-template-columns: minmax(0, .8fr) minmax(450px, 1.2fr); gap: 90px; align-items: center; }
.inline-link { display: inline-flex; margin-top: 27px; color: var(--lime); font-weight: 900; }
.steps { margin: 0; padding: 0; list-style: none; }
.steps li { display: grid; grid-template-columns: 62px 1fr; gap: 22px; padding: 29px 0; border-bottom: 1px solid var(--border); }
.steps li:first-child { border-top: 1px solid var(--border); }
.steps > li > span { width: 52px; height: 52px; display: grid; place-items: center; border: 1px solid var(--border); border-radius: 17px; background: var(--surface); color: var(--lime); font-size: 13px; font-weight: 950; }
.steps h3 { margin: 0; font-size: 19px; }
.steps p { margin: 7px 0 0; color: var(--muted); font-size: 14px; line-height: 1.6; font-weight: 650; }

.teachers-section { overflow: hidden; }
.teacher-showcase { display: grid; grid-template-columns: minmax(0, .9fr) minmax(460px, 1.1fr); gap: 100px; align-items: center; }
.teacher-copy .eyebrow { justify-content: flex-start; }
.teacher-copy > p { margin-inline: 0; }
.teacher-copy ul { display: grid; gap: 12px; margin: 27px 0 31px; padding: 0; list-style: none; color: var(--muted); font-size: 14px; font-weight: 750; }
.teacher-copy li::before { content: "✓"; display: inline-grid; place-items: center; width: 22px; height: 22px; margin-right: 10px; border-radius: 50%; background: rgb(180 240 60 / 10%); color: var(--lime); font-size: 11px; }
.teacher-stack { position: relative; display: grid; gap: 15px; padding: 55px 34px; }
.teacher-stack::before { content: ""; position: absolute; inset: 0; border-radius: 50%; background: radial-gradient(circle, rgb(69 217 255 / 11%), transparent 66%); }
.teacher-stack article { position: relative; display: grid; grid-template-columns: auto 1fr auto; align-items: center; gap: 15px; padding: 20px; border: 1px solid var(--border); border-radius: 20px; background: rgb(27 34 49 / 95%); box-shadow: 0 28px 60px -35px #000; }
.teacher-stack article:nth-child(1) { margin-left: 48px; transform: rotate(1.2deg); }
.teacher-stack article:nth-child(2) { margin-right: 48px; transform: rotate(-1.1deg); }
.teacher-stack article:nth-child(3) { margin-left: 70px; transform: rotate(.8deg); }
.teacher-stack .avatar { width: 51px; height: 51px; font-size: 13px; }
.teacher-stack article > div:nth-child(2) { display: flex; flex-direction: column; }
.teacher-stack strong { font-size: 14px; }
.teacher-stack span { margin-top: 4px; color: var(--muted); font-size: 11px; font-weight: 700; }
.teacher-stack b { color: #ffc14a; font-size: 12px; }

.pricing { border-block: 1px solid var(--border); background: #131925; }
.pricing-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; align-items: stretch; }
.price-card { position: relative; display: flex; flex-direction: column; padding: 31px; border: 1px solid var(--border); border-radius: 26px; background: var(--surface); }
.featured-plan { border-color: rgb(180 240 60 / 60%); box-shadow: 0 0 0 1px rgb(180 240 60 / 13%), 0 30px 70px -38px rgb(180 240 60 / 55%); }
.popular { position: absolute; top: 0; right: 25px; margin: 0; padding: 7px 12px; border-radius: 0 0 10px 10px; background: var(--lime); color: var(--bg); font-size: 9px; font-weight: 950; letter-spacing: .08em; }
.plan-name { margin: 0; color: var(--cyan); font-size: 14px; font-weight: 950; }
.featured-plan .plan-name { color: var(--lime); }
.price { display: flex; flex-direction: column; gap: 3px; margin-top: 18px; }
.price strong { font-size: clamp(34px, 3.6vw, 48px); line-height: 1; letter-spacing: -.045em; }
.price span { color: var(--muted); font-size: 11px; font-weight: 800; }
.plan-copy { min-height: 49px; margin: 22px 0 0; color: var(--muted); font-size: 13px; line-height: 1.6; font-weight: 650; }
.price-card ul { display: grid; gap: 13px; margin: 25px 0 31px; padding: 23px 0 0; border-top: 1px solid var(--border); list-style: none; color: #dce2ef; font-size: 13px; font-weight: 750; }
.price-card li::before { content: "✓"; margin-right: 9px; color: var(--lime); }
.price-card .button { width: 100%; margin-top: auto; }
.beta-note { margin: 24px 0 0; color: var(--muted); text-align: center; font-size: 11px; font-weight: 700; }

.faq-grid { display: grid; grid-template-columns: minmax(280px, .72fr) minmax(520px, 1.28fr); gap: 90px; align-items: start; }
.accordion { border-top: 1px solid var(--border); }
.accordion details { border-bottom: 1px solid var(--border); }
.accordion summary { position: relative; padding: 24px 50px 24px 0; cursor: pointer; list-style: none; font-size: 16px; font-weight: 900; }
.accordion summary::-webkit-details-marker { display: none; }
.accordion summary::after { content: "+"; position: absolute; right: 4px; top: 19px; width: 31px; height: 31px; display: grid; place-items: center; border: 1px solid var(--border); border-radius: 50%; color: var(--lime); font-size: 18px; }
.accordion details[open] summary::after { content: "−"; }
.accordion p { max-width: 650px; margin: -7px 50px 24px 0; color: var(--muted); font-size: 14px; line-height: 1.65; font-weight: 650; }

.final-cta { padding: 0 0 90px; }
.cta-card { position: relative; display: flex; justify-content: space-between; align-items: center; gap: 40px; padding: 58px 62px; overflow: hidden; border: 1px solid rgb(69 217 255 / 24%); border-radius: 32px; background: linear-gradient(120deg, #1a2334, #14273a); }
.cta-card::after { content: ""; position: absolute; width: 340px; height: 340px; right: -100px; top: -130px; border-radius: 50%; background: rgb(69 217 255 / 10%); }
.cta-card > * { position: relative; z-index: 1; }
.cta-card h2 { font-size: clamp(34px, 4vw, 54px); }

.site-footer { padding: 45px 0; border-top: 1px solid var(--border); background: #0c111b; }
.footer-grid { display: grid; grid-template-columns: 1.2fr 1fr auto; gap: 50px; align-items: start; }
.footer-grid > div:first-child > p { margin: 13px 0 0; color: var(--muted); font-size: 12px; font-weight: 700; }
.footer-grid nav { display: grid; grid-template-columns: repeat(2, 1fr); gap: 11px 28px; color: var(--muted); font-size: 12px; font-weight: 750; }
.footer-grid nav a:hover { color: var(--text); }
.footer-meta { display: flex; flex-direction: column; gap: 8px; color: var(--muted); text-align: right; font-size: 11px; font-weight: 700; }

@media (max-width: 900px) {
  .desktop-nav { display: none; }
  .header-actions { margin-left: auto; }
  .hero { padding-top: 130px; }
  .hero-grid { grid-template-columns: 1fr; gap: 45px; }
  .hero-copy { text-align: center; }
  .eyebrow, .hero-actions, .trust-list { justify-content: center; }
  .hero-lead { margin-inline: auto; }
  .hero-visual { min-height: 600px; }
  .proof-grid { grid-template-columns: repeat(2, 1fr); }
  .proof-grid div:nth-child(3) { border-top: 1px solid var(--border); }
  .proof-grid div:nth-child(4) { border-top: 1px solid var(--border); border-right: 1px solid var(--border); }
  .feature-grid, .pricing-grid { grid-template-columns: 1fr; }
  .feature-card { min-height: auto; }
  .how-grid, .teacher-showcase, .faq-grid { grid-template-columns: 1fr; gap: 55px; }
  .left-heading { max-width: 700px; }
  .teacher-stack { width: min(100%, 650px); margin-inline: auto; }
  .price-card { min-height: 420px; }
  .cta-card { align-items: flex-start; flex-direction: column; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .footer-meta { grid-column: 1 / -1; flex-direction: row; justify-content: space-between; text-align: left; }
}

@media (max-width: 560px) {
  .container { width: min(calc(100% - 28px), var(--max)); }
  .site-header { position: absolute; }
  .header-inner { min-height: 66px; }
  .brand { font-size: 19px; }
  .brand img { width: 32px; height: 32px; }
  .text-link { display: none; }
  .button-small { min-height: 40px; padding-inline: 15px; }
  .menu-toggle { width: 40px; height: 40px; display: grid; place-content: center; gap: 4px; padding: 0; border: 1px solid var(--border); border-radius: 12px; background: var(--surface); color: var(--text); }
  .menu-toggle span { width: 17px; height: 2px; border-radius: 2px; background: currentColor; }
  .mobile-menu { position: absolute; inset: 66px 14px auto; display: grid; gap: 4px; padding: 10px; border: 1px solid var(--border); border-radius: 17px; background: rgb(27 34 49 / 98%); box-shadow: 0 25px 55px -25px #000; }
  .mobile-menu[hidden] { display: none; }
  .mobile-menu a { padding: 12px 14px; border-radius: 10px; color: var(--muted); font-size: 14px; font-weight: 800; }
  .mobile-menu a:hover { background: var(--surface-2); color: var(--text); }
  .hero { padding-top: 112px; }
  h1 { font-size: clamp(42px, 13vw, 60px); }
  .hero-lead { font-size: 16px; }
  .hero-actions { flex-direction: column; }
  .hero-actions .button { width: 100%; }
  .trust-list { display: grid; text-align: left; }
  .hero-visual { min-height: 540px; transform: scale(.88); margin: -35px -20px -45px; }
  .phone { width: 300px; min-height: 600px; }
  .result-card { right: -1%; }
  .xp-card { left: -1%; }
  .section { padding: 82px 0; }
  .section-heading { margin-bottom: 37px; }
  .section-heading h2, .teacher-copy h2 { font-size: 39px; }
  .section-heading > p:last-child, .teacher-copy > p { font-size: 15px; }
  .proof-grid div { padding: 19px 15px; }
  .proof-grid div:nth-child(even) { border-right: 1px solid var(--border); }
  .feature-card { padding: 25px; border-radius: 23px; }
  .how-grid, .teacher-showcase, .faq-grid { gap: 42px; }
  .steps li { grid-template-columns: 52px 1fr; gap: 15px; }
  .steps > li > span { width: 45px; height: 45px; border-radius: 14px; }
  .teacher-stack { padding: 25px 0; }
  .teacher-stack article, .teacher-stack article:nth-child(n) { margin: 0; transform: none; padding: 15px; }
  .teacher-stack .avatar { width: 44px; height: 44px; }
  .price-card { min-height: auto; padding: 26px; }
  .plan-copy { min-height: 0; }
  .accordion summary { padding-right: 44px; font-size: 15px; }
  .accordion p { margin-right: 36px; }
  .cta-card { padding: 35px 25px; border-radius: 24px; }
  .cta-card .button { width: 100%; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-grid nav { max-width: 330px; }
  .footer-meta { grid-column: auto; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: .01ms !important; }
}