:root {
  --ink: #121631;
  --muted: #68708a;
  --line: #e5e8f2;
  --surface: #f7f9fe;
  --purple: #5446ee;
  --purple-dark: #30267b;
  --violet: #9b28ef;
  --cyan: #25bdd1;
  --green: #20a76b;
  --orange: #f6a314;
  --shadow: 0 24px 70px rgba(44, 38, 122, .14);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: #fff;
  font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
button { font: inherit; }
img { max-width: 100%; display: block; }
section[id] { scroll-margin-top: 92px; }

.section-shell { width: min(1160px, calc(100% - 40px)); margin-inline: auto; }
.section-block { padding-block: 116px; }

.site-header {
  position: fixed;
  z-index: 20;
  inset: 12px 0 auto;
  height: 64px;
  display: flex;
  align-items: center;
  gap: 44px;
  width: min(1160px, calc(100% - 40px));
  margin-inline: auto;
  padding-inline: 18px;
  color: #fff;
  border: 1px solid rgba(255,255,255,.2);
  border-radius: 18px;
  background: rgba(29, 27, 91, .84);
  box-shadow: 0 10px 35px rgba(16, 13, 72, .22);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
}
.brand { display: inline-flex; align-items: center; gap: 10px; color: inherit; text-decoration: none; font-weight: 800; letter-spacing: -.02em; }
.mobile-brand { display: none; border: 0; padding: 0; background: transparent; cursor: pointer; }
.brand-mark { display: grid; place-items: center; width: 34px; height: 34px; border-radius: 10px; background: rgba(255,255,255,.18); border: 1px solid rgba(255,255,255,.35); font-size: 12px; letter-spacing: -.04em; }
.desktop-nav { display: flex; gap: 25px; margin-right: auto; }
.desktop-nav a { color: rgba(255,255,255,.78); text-decoration: none; font-size: .87rem; font-weight: 650; transition: color .2s ease; }
.desktop-nav a:hover { color: #fff; }
.mobile-nav { display: none; }

.button { display: inline-flex; align-items: center; justify-content: center; gap: 9px; min-height: 52px; padding: 0 24px; border: 0; border-radius: 999px; text-decoration: none; font-size: .95rem; font-weight: 800; transition: transform .2s ease, box-shadow .2s ease, background .2s ease; }
.button:hover { transform: translateY(-2px); }
.button-small { min-height: 42px; padding-inline: 18px; font-size: .84rem; }
.button-light { background: rgba(255,255,255,.13); border: 1px solid rgba(255,255,255,.3); color: #fff; }
.button-light:hover { background: rgba(255,255,255,.22); }
.button-primary { background: #fff; color: #3b32c8; box-shadow: 0 12px 28px rgba(23, 15, 105, .22); }
.button-white { background: #fff; color: #29225f; box-shadow: 0 12px 28px rgba(10, 6, 55, .2); }
.text-link { color: #fff; text-underline-offset: 5px; font-weight: 750; font-size: .95rem; }
.telegram-icon { color: var(--purple); font-size: 1.1rem; }

.hero {
  width: 100%; max-width: none;
  min-height: 750px;
  padding: 150px max(40px, calc((100vw - 1160px) / 2)) 95px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(440px, .9fr);
  align-items: center;
  gap: 76px;
  color: #fff;
  overflow: hidden;
  position: relative;
  background:
    radial-gradient(circle at 8% 95%, rgba(122, 62, 255, .55), transparent 30%),
    radial-gradient(circle at 92% 10%, rgba(50, 230, 220, .26), transparent 26%),
    linear-gradient(125deg, #4f43ef 0%, #4b45ef 47%, #22b6d0 100%);
}
.hero::before { content: ""; position: absolute; width: 620px; height: 620px; border: 1px solid rgba(255,255,255,.11); border-radius: 50%; right: -250px; top: 80px; box-shadow: 0 0 0 90px rgba(255,255,255,.035), 0 0 0 180px rgba(255,255,255,.025); }
.hero-copy, .hero-visual { position: relative; z-index: 2; }
.eyebrow { margin: 0 0 20px; color: var(--purple); font-size: .72rem; text-transform: uppercase; letter-spacing: .16em; font-weight: 850; }
.hero .eyebrow { color: rgba(255,255,255,.78); }
.eyebrow-dot { display: inline-block; width: 7px; height: 7px; margin-right: 7px; border-radius: 50%; background: #71f0cc; box-shadow: 0 0 0 5px rgba(113,240,204,.12); }
.hero h1 { max-width: 680px; margin: 0; font-size: clamp(3.5rem, 5.7vw, 6rem); line-height: .96; letter-spacing: -.065em; font-weight: 860; }
.hero h1 span { display: block; color: #b5f7ed; }
.hero-lede { max-width: 650px; margin: 30px 0 0; color: rgba(255,255,255,.82); font-size: 1.12rem; line-height: 1.65; }
.hero-actions { display: flex; align-items: center; gap: 26px; margin-top: 36px; }
.trust-list { display: flex; flex-wrap: wrap; gap: 22px; list-style: none; margin: 28px 0 0; padding: 0; color: rgba(255,255,255,.7); font-size: .86rem; font-weight: 650; }
.trust-list li::before { content: "✓"; margin-right: 7px; color: #84f3d2; }

.hero-visual { min-height: 500px; display: grid; place-items: center; perspective: 1200px; }
.browser-card { width: min(360px, 100%); padding: 9px; border-radius: 38px; background: rgba(255,255,255,.95); box-shadow: 0 40px 100px rgba(23, 17, 105, .34); transform: rotateY(-7deg) rotateZ(1deg); }
.browser-card img { width: 100%; height: auto; border-radius: 29px; }
.browser-bar { height: 34px; display: flex; align-items: center; gap: 14px; padding: 0 8px 10px; color: #8288a3; }
.browser-dots { display: flex; gap: 5px; }
.browser-dots span { width: 7px; height: 7px; border-radius: 50%; background: #d5d8e5; }
.browser-address { flex: 1; font-size: .62rem; text-align: center; letter-spacing: .03em; }
.floating-card { position: absolute; z-index: 4; border: 1px solid rgba(255,255,255,.7); background: rgba(255,255,255,.96); color: var(--ink); border-radius: 17px; box-shadow: 0 22px 55px rgba(26,20,90,.25); }
.score-card { top: 16px; right: -22px; width: 160px; padding: 16px; }
.score-card strong { display: block; color: var(--purple); font-size: 1.65rem; line-height: 1.2; }
.score-label { display: block; color: var(--muted); font-size: .7rem; }
.score-progress { display: block; height: 5px; margin-top: 10px; overflow: hidden; border-radius: 4px; background: #e7e9f5; }
.score-progress i { display: block; width: 72%; height: 100%; background: linear-gradient(90deg, var(--purple), var(--violet)); }
.feedback-card { display: flex; align-items: center; gap: 10px; bottom: 22px; left: -26px; padding: 13px 16px; }
.feedback-card strong, .feedback-card small { display: block; }
.feedback-card strong { font-size: .77rem; }
.feedback-card small { color: var(--muted); font-size: .64rem; }
.feedback-icon { display: grid; place-items: center; width: 30px; height: 30px; border-radius: 9px; color: #fff; background: var(--green); font-weight: 900; }
.glow { position: absolute; border-radius: 50%; filter: blur(5px); opacity: .45; }
.glow-one { width: 340px; height: 340px; background: #9e43f5; left: -50px; bottom: -10px; }
.glow-two { width: 260px; height: 260px; background: #3de4dd; right: -50px; top: 0; }

.proof-strip { position: relative; z-index: 5; width: min(980px, calc(100% - 40px)); margin: -43px auto 0; padding: 25px 34px; display: grid; grid-template-columns: repeat(4, 1fr); border: 1px solid var(--line); border-radius: 22px; background: #fff; box-shadow: 0 22px 60px rgba(29,25,91,.13); }
.proof-strip div { padding: 0 30px; border-right: 1px solid var(--line); }
.proof-strip div:first-child { padding-left: 0; }
.proof-strip div:last-child { border: 0; }
.proof-strip strong { display: block; color: var(--purple); font-size: 1.05rem; line-height: 1.25; }
.proof-strip span { color: var(--muted); font-size: .78rem; font-weight: 650; }

.section-heading { max-width: 720px; margin: 0 auto 62px; text-align: center; }
.section-heading h2, .mock-copy h2, .booster-copy h2, .pro-card h2 { margin: 0; letter-spacing: -.045em; font-size: clamp(2.25rem, 4vw, 4rem); line-height: 1.04; }
.section-heading > p:last-child { max-width: 620px; margin: 20px auto 0; color: var(--muted); font-size: 1.03rem; }
.practice-layout { display: grid; grid-template-columns: .9fr 1.1fr; gap: 38px; align-items: stretch; }
.module-tabs { display: flex; flex-direction: column; gap: 10px; }
.module-tab { width: 100%; display: grid; grid-template-columns: 42px 1fr; gap: 13px; padding: 20px 22px; border: 1px solid var(--line); border-radius: 18px; text-align: left; color: var(--ink); background: #fff; cursor: pointer; transition: border .2s, background .2s, transform .2s, box-shadow .2s; }
.module-tab:hover { transform: translateX(4px); border-color: #bbb7f5; }
.module-tab.active { border-color: transparent; background: #f0efff; box-shadow: inset 3px 0 0 var(--purple); }
.module-number { color: #aaaed0; font-size: .7rem; font-weight: 800; padding-top: 3px; }
.module-tab strong, .module-tab small { display: block; }
.module-tab strong { font-size: 1rem; }
.module-tab small { margin-top: 4px; color: var(--muted); font-size: .78rem; line-height: 1.45; }
.module-preview { min-height: 470px; padding: 46px; display: flex; flex-direction: column; border-radius: 28px; color: #fff; background: radial-gradient(circle at 92% 10%, rgba(53,213,214,.42), transparent 35%), linear-gradient(145deg, #28245f, #5445e7 70%, #724ae7); box-shadow: var(--shadow); }
.preview-topline { display: flex; align-items: center; justify-content: space-between; gap: 12px; color: rgba(255,255,255,.72); font-size: .75rem; text-transform: uppercase; letter-spacing: .12em; font-weight: 800; }
.live-pill { display: inline-flex; align-items: center; gap: 6px; padding: 6px 9px; border-radius: 999px; background: rgba(255,255,255,.12); letter-spacing: 0; text-transform: none; }
.live-pill i { width: 6px; height: 6px; border-radius: 50%; background: #79efbf; }
.module-preview h3 { margin: 68px 0 14px; max-width: 480px; font-size: clamp(2rem, 3.5vw, 3.3rem); letter-spacing: -.045em; line-height: 1.04; }
.module-preview > p { max-width: 530px; margin: 0; color: rgba(255,255,255,.72); }
.criteria-row { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 32px; }
.criteria-row span { padding: 7px 10px; border-radius: 999px; border: 1px solid rgba(255,255,255,.22); font-size: .7rem; color: rgba(255,255,255,.8); }
.mini-score { margin-top: auto; padding-top: 30px; display: flex; align-items: end; justify-content: space-between; border-top: 1px solid rgba(255,255,255,.15); }
.mini-score span { color: rgba(255,255,255,.62); font-size: .75rem; }
.mini-score strong { font-size: 1.25rem; }

.ai-practice-section { padding-bottom: 112px; }
.ai-practice-card { position: relative; overflow: hidden; display: grid; grid-template-columns: .82fr 1.18fr; align-items: center; gap: 78px; min-height: 660px; padding: 54px 68px; border-radius: 32px; color: #fff; background: radial-gradient(circle at 8% 15%, rgba(38,205,211,.26), transparent 32%), linear-gradient(140deg, #191c3e, #2c276c 58%, #4c31b5); box-shadow: var(--shadow); }
.ai-practice-card::after { content: ""; position: absolute; width: 420px; height: 420px; right: -170px; bottom: -240px; border: 1px solid rgba(255,255,255,.12); border-radius: 50%; box-shadow: 0 0 0 70px rgba(255,255,255,.025), 0 0 0 140px rgba(255,255,255,.018); }
.ai-practice-visual, .ai-practice-copy { position: relative; z-index: 1; }
.ai-practice-visual { display: flex; justify-content: center; }
.ai-screen-frame { width: min(285px, 100%); overflow: hidden; padding: 8px; border: 1px solid rgba(255,255,255,.25); border-radius: 34px; background: rgba(255,255,255,.94); box-shadow: 0 30px 70px rgba(7,5,45,.42); transform: rotate(-2deg); }
.ai-screen-frame img { width: 100%; height: auto; border-radius: 27px; }
.ai-screen-badge { position: absolute; left: -6px; bottom: 24px; padding: 8px 11px; border: 1px solid rgba(255,255,255,.25); border-radius: 999px; color: rgba(255,255,255,.88); background: rgba(26,24,80,.88); box-shadow: 0 10px 25px rgba(4,3,32,.28); font-size: .65rem; font-weight: 750; }
.ai-practice-copy .eyebrow { color: #98f2e4; }
.ai-practice-copy h2 { margin: 0; font-size: clamp(2.25rem, 4vw, 4rem); line-height: 1.04; letter-spacing: -.045em; }
.ai-practice-copy > p:not(.eyebrow) { max-width: 590px; margin: 22px 0 0; color: rgba(255,255,255,.69); }
.ai-benefits { display: flex; flex-wrap: wrap; gap: 9px; list-style: none; margin: 30px 0; padding: 0; }
.ai-benefits li { padding: 8px 11px; border: 1px solid rgba(255,255,255,.17); border-radius: 999px; color: rgba(255,255,255,.84); background: rgba(255,255,255,.07); font-size: .72rem; font-weight: 700; }
.ai-benefits li::before { content: "✓"; margin-right: 6px; color: #8df1d5; }
.ai-practice-button { color: #322999; background: #fff; box-shadow: 0 12px 30px rgba(5,3,45,.24); }

.tips-section { padding-top: 92px; background: #f6f7fc; }
.tips-intro { display: grid; grid-template-columns: 1.1fr .9fr; gap: 70px; align-items: end; margin-bottom: 48px; }
.tips-intro h2 { max-width: 700px; margin: 0; font-size: clamp(2.25rem, 4vw, 4rem); line-height: 1.04; letter-spacing: -.045em; }
.tips-intro > p { margin: 0 0 4px; color: var(--muted); font-size: 1.02rem; }
.tips-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
.tip-card { min-height: 250px; padding: 26px; border: 1px solid #e1e4ef; border-radius: 22px; background: #fff; box-shadow: 0 10px 30px rgba(34, 38, 88, .05); transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease; }
.tip-card:hover { transform: translateY(-4px); border-color: #c4c0f6; box-shadow: 0 18px 38px rgba(54, 47, 146, .1); }
.tip-icon { display: grid; place-items: center; width: 42px; height: 42px; margin-bottom: 28px; border-radius: 13px; color: #fff; background: var(--purple); font-size: .82rem; font-weight: 900; box-shadow: 0 8px 18px rgba(84,70,238,.22); }
.tip-listening .tip-icon { background: #8d35d8; }
.tip-writing .tip-icon { background: #ee8b19; }
.tip-speaking .tip-icon { background: #17a6b8; }
.tip-time .tip-icon { background: #263365; }
.tip-test-day .tip-icon { color: #243151; background: #8ae7c8; }
.tip-category { margin: 0 0 7px; color: var(--purple); font-size: .66rem; font-weight: 850; letter-spacing: .13em; text-transform: uppercase; }
.tip-card h3 { margin: 0; font-size: 1.16rem; letter-spacing: -.025em; }
.tip-card > p:last-child { margin: 10px 0 0; color: var(--muted); font-size: .82rem; line-height: 1.55; }
.tips-cta { display: flex; align-items: center; justify-content: space-between; gap: 34px; margin-top: 18px; padding: 24px 28px; border-radius: 20px; color: #fff; background: linear-gradient(120deg, #252258, #5345df 65%, #269fb5); }
.tips-cta strong, .tips-cta span { display: block; }
.tips-cta strong { font-size: .95rem; }
.tips-cta span { margin-top: 3px; color: rgba(255,255,255,.67); font-size: .75rem; }
.tips-button { flex: 0 0 auto; min-height: 44px; color: #372eaa; background: #fff; font-size: .82rem; }

.mock-section { padding-block: 105px; color: #fff; overflow: hidden; background: linear-gradient(135deg, #171a37, #29246e 58%, #3b2e9e); }
.mock-grid { display: grid; grid-template-columns: .95fr 1.05fr; gap: 80px; align-items: center; }
.eyebrow-light { color: #aab0ff; }
.mock-copy > p:not(.eyebrow) { max-width: 540px; margin: 22px 0 0; color: rgba(255,255,255,.7); }
.mock-flow { display: grid; grid-template-columns: repeat(2, 1fr); gap: 9px; margin: 34px 0; }
.mock-flow div { padding: 14px 16px; border: 1px solid rgba(255,255,255,.12); border-radius: 13px; background: rgba(255,255,255,.065); }
.mock-flow span, .mock-flow strong { display: block; }
.mock-flow span { color: #aeb3dd; font-size: .66rem; }
.mock-flow strong { margin-top: 2px; font-size: .86rem; }
.mock-visual { position: relative; width: min(500px, 100%); margin-inline: auto; }
.screenshot-frame { width: min(360px, 100%); margin-inline: auto; overflow: hidden; padding: 10px; border: 1px solid rgba(255,255,255,.24); border-radius: 25px; background: rgba(255,255,255,.93); box-shadow: 0 40px 80px rgba(5,3,30,.38); transform: rotate(2deg); }
.screenshot-frame img { width: 100%; height: auto; border-radius: 17px; }
.frame-label { display: flex; align-items: center; gap: 7px; padding: 6px 7px 12px; color: #5d637b; font-size: .68rem; font-weight: 700; }
.frame-label span { width: 7px; height: 7px; border-radius: 50%; background: var(--green); }
.band-orbit { position: absolute; right: 4px; bottom: -38px; width: 142px; height: 142px; display: grid; place-content: center; text-align: center; border-radius: 50%; color: var(--ink); background: #fff; box-shadow: 0 20px 50px rgba(5,3,30,.35); }
.band-orbit span, .band-orbit small { color: var(--muted); font-size: .62rem; }
.band-orbit strong { display: block; color: var(--purple); font-size: 2.4rem; line-height: 1; }

.booster-section { padding-bottom: 80px; }
.booster-card { padding: 58px; display: grid; grid-template-columns: .9fr 1.1fr; gap: 74px; align-items: center; border: 1px solid var(--line); border-radius: 32px; background: var(--surface); }
.booster-copy > p:not(.eyebrow) { color: var(--muted); }
.plan-toggle { display: inline-flex; margin-top: 20px; padding: 4px; border-radius: 999px; background: #e7e8f1; }
.plan-toggle button { border: 0; padding: 8px 16px; border-radius: 999px; color: var(--muted); background: transparent; font-size: .78rem; font-weight: 800; cursor: pointer; }
.plan-toggle button.active { color: #fff; background: var(--purple); }
.plan-summary { margin-top: 22px; display: flex; justify-content: space-between; align-items: center; max-width: 360px; padding-top: 17px; border-top: 1px solid #dfe2ec; }
.plan-summary span { color: var(--muted); font-size: .78rem; }
.plan-summary strong { font-size: .88rem; }
.week-plan { display: flex; flex-direction: column; gap: 10px; }
.day { display: grid; grid-template-columns: 92px 1fr auto; align-items: center; gap: 12px; padding: 15px 17px; border: 1px solid #e3e5ee; border-radius: 14px; background: #fff; box-shadow: 0 6px 18px rgba(31,35,75,.045); }
.day span { color: var(--muted); font-size: .7rem; }
.day strong { font-size: .86rem; }
.day i { min-width: 34px; padding: 4px 7px; border-radius: 999px; color: #8389a3; background: #f1f2f7; font-size: .65rem; font-style: normal; text-align: center; }
.day.done { opacity: .65; }
.day.done i { color: var(--green); background: #e7f8f0; }
.day.active { border-color: #ada7ff; box-shadow: 0 10px 25px rgba(84,70,238,.12); transform: translateX(8px); }
.day.active i { color: #fff; background: var(--purple); }

.plans-section { padding-top: 88px; background: linear-gradient(180deg, #fff 0%, #f6f7ff 48%, #fff 100%); }
.plans-heading { margin-bottom: 48px; }
.plans-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 24px; max-width: 1020px; margin-inline: auto; align-items: stretch; }
.pricing-card { position: relative; display: flex; flex-direction: column; min-height: 620px; padding: 38px; border: 1px solid var(--line); border-radius: 28px; background: #fff; box-shadow: 0 18px 55px rgba(32, 35, 91, .08); }
.pricing-pro { color: #fff; border-color: rgba(255,255,255,.18); background: radial-gradient(circle at 95% 0%, rgba(49,213,214,.3), transparent 32%), linear-gradient(145deg, #292563, #5343e5 68%, #7a35d1); box-shadow: 0 26px 70px rgba(56, 43, 181, .25); }
.popular-badge { position: absolute; top: 18px; right: 18px; padding: 7px 11px; border-radius: 999px; color: #2f287e; background: #c8fff4; font-size: .67rem; font-weight: 850; letter-spacing: .03em; }
.pricing-top { display: flex; justify-content: space-between; align-items: flex-end; gap: 22px; padding-bottom: 28px; border-bottom: 1px solid var(--line); }
.pricing-pro .pricing-top { border-color: rgba(255,255,255,.16); }
.plan-label { margin: 0 0 7px; color: var(--purple); font-size: .72rem; font-weight: 850; letter-spacing: .16em; text-transform: uppercase; }
.pricing-pro .plan-label { color: #aef6ea; }
.pricing-card h3 { margin: 0; font-size: 1.55rem; letter-spacing: -.035em; }
.price { margin: 0; flex: 0 0 auto; text-align: right; }
.price strong, .price span { display: block; }
.price strong { color: var(--ink); font-size: 1.75rem; line-height: 1.1; letter-spacing: -.04em; }
.pricing-pro .price strong { color: #fff; }
.price span { margin-top: 4px; color: var(--muted); font-size: .65rem; }
.pricing-pro .price span { color: rgba(255,255,255,.62); }
.feature-list { display: flex; flex-direction: column; gap: 21px; list-style: none; margin: 30px 0 34px; padding: 0; }
.feature-list li { display: grid; grid-template-columns: 30px 1fr; gap: 12px; align-items: start; }
.feature-icon { display: grid; place-items: center; width: 28px; height: 28px; border-radius: 9px; color: var(--purple); background: #f0efff; font-size: .76rem; font-weight: 900; }
.pricing-pro .feature-icon { color: #192d3e; background: #8af1d7; }
.feature-list strong, .feature-list small { display: block; }
.feature-list strong { font-size: .92rem; }
.feature-list small { margin-top: 3px; color: var(--muted); font-size: .73rem; line-height: 1.45; }
.pricing-pro .feature-list small { color: rgba(255,255,255,.62); }
.pricing-button { width: 100%; margin-top: auto; }
.free-button { color: var(--purple); border: 1px solid #cac7f8; background: #f7f6ff; }
.pro-button { color: #332a96; background: #fff; box-shadow: 0 12px 30px rgba(7, 4, 59, .22); }
.plans-note { margin: 24px auto 0; color: var(--muted); font-size: .78rem; text-align: center; }

.pro-section { padding-bottom: 90px; }
.pro-card { display: flex; align-items: center; justify-content: space-between; gap: 50px; padding: 55px 60px; color: #fff; border-radius: 30px; background: linear-gradient(125deg, #5144ed, #762bc8 58%, #1fb9cb); box-shadow: var(--shadow); }
.pro-card > div { max-width: 700px; }
.pro-card h2 { font-size: clamp(2.1rem, 3.5vw, 3.5rem); }
.pro-card p:last-child { margin: 16px 0 0; color: rgba(255,255,255,.76); }
.pro-card .button { flex: 0 0 auto; }

.about-section { padding-top: 92px; background: #f7f8fd; border-top: 1px solid var(--line); }
.about-grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: 70px; align-items: start; }
.about-copy h2 { max-width: 620px; margin: 0; font-size: clamp(2.15rem, 3.7vw, 3.8rem); line-height: 1.05; letter-spacing: -.045em; }
.about-copy > p:last-child { max-width: 580px; margin: 22px 0 0; color: var(--muted); font-size: 1rem; }
.information-card { padding: 34px 36px; border: 1px solid #dfe3ef; border-radius: 24px; background: #fff; box-shadow: 0 16px 45px rgba(32,35,91,.07); }
.information-card h3 { margin: 0; font-size: 1.25rem; letter-spacing: -.025em; }
.information-card ul { display: flex; flex-direction: column; gap: 16px; margin: 24px 0 0; padding: 0; list-style: none; }
.information-card li { position: relative; padding-left: 28px; color: var(--muted); font-size: .88rem; line-height: 1.58; }
.information-card li::before { content: "i"; position: absolute; left: 0; top: 1px; display: grid; place-items: center; width: 18px; height: 18px; border-radius: 50%; color: #fff; background: var(--purple); font-size: .65rem; font-weight: 850; font-style: normal; }
.legal-notice { margin-top: 44px; padding: 27px 30px; border: 1px solid #dedff0; border-radius: 20px; background: #efeffa; }
.legal-notice strong { display: block; color: var(--purple-dark); font-size: .77rem; letter-spacing: .1em; text-transform: uppercase; }
.legal-notice p { margin: 9px 0 0; color: #565d78; font-size: .78rem; line-height: 1.65; }

.site-footer { min-height: 130px; display: flex; align-items: center; gap: 26px; color: var(--muted); border-top: 1px solid var(--line); font-size: .8rem; }
.brand-dark { color: var(--ink); margin-right: auto; }
.brand-dark .brand-mark { color: #fff; background: linear-gradient(135deg, var(--purple), var(--cyan)); border: 0; }
.site-footer > a:not(.brand) { color: var(--purple); font-weight: 750; text-underline-offset: 4px; }

:focus-visible { outline: 3px solid #9adfe8; outline-offset: 3px; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } * { transition: none !important; } }

@media (max-width: 920px) {
  .desktop-brand, .desktop-nav { display: none; }
  .mobile-brand { display: inline-flex; margin-right: auto; }
  .site-header { justify-content: space-between; }
  .menu-chevron { width: 8px; height: 8px; margin-left: 2px; border-right: 2px solid rgba(255,255,255,.7); border-bottom: 2px solid rgba(255,255,255,.7); transform: rotate(45deg) translateY(-2px); transition: transform .2s ease; }
  .mobile-brand[aria-expanded="true"] .menu-chevron { transform: rotate(225deg) translate(-2px, -1px); }
  .site-header .mobile-nav { position: absolute; inset: calc(100% + 8px) 0 auto; display: flex; flex-direction: column; gap: 4px; margin: 0; padding: 10px; border: 1px solid rgba(255,255,255,.18); border-radius: 18px; background: rgba(24, 22, 76, .97); box-shadow: 0 22px 55px rgba(15, 12, 58, .32); backdrop-filter: blur(18px); -webkit-backdrop-filter: blur(18px); }
  .site-header .mobile-nav[hidden] { display: none; }
  .mobile-nav a { display: flex; align-items: center; gap: 12px; min-height: 46px; padding: 0 13px; border-radius: 11px; color: rgba(255,255,255,.88); text-decoration: none; font-size: .88rem; font-weight: 700; }
  .mobile-nav a:hover, .mobile-nav a:focus-visible { color: #fff; background: rgba(255,255,255,.09); }
  .mobile-nav a span { color: #8eecdf; font-size: .63rem; letter-spacing: .06em; }
  .mobile-nav .mobile-telegram-link { justify-content: center; margin-top: 5px; color: #31299b; background: #fff; }
  .hero { min-height: auto; grid-template-columns: 1fr; gap: 72px; padding-top: 145px; }
  .hero-copy { max-width: 720px; }
  .hero-visual { min-height: 480px; }
  .browser-card { width: min(620px, 90%); }
  .proof-strip { grid-template-columns: repeat(2, 1fr); row-gap: 25px; }
  .proof-strip div:nth-child(2) { border: 0; }
  .practice-layout, .mock-grid, .booster-card, .plans-grid, .tips-intro, .about-grid { grid-template-columns: 1fr; }
  .ai-practice-card { grid-template-columns: 1fr 1fr; gap: 46px; padding: 48px 42px; }
  .tips-intro { gap: 20px; }
  .tips-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .module-preview { min-height: 420px; }
  .mock-grid { gap: 60px; }
  .mock-visual { width: min(610px, 90%); margin-inline: auto; }
  .booster-card { gap: 48px; }
  .pricing-card { min-height: auto; }
}

@media (max-width: 620px) {
  .section-shell { width: min(100% - 28px, 1160px); }
  .section-block { padding-block: 82px; }
  .site-header { inset: 8px 0 auto; width: calc(100% - 28px); height: 58px; padding-inline: 12px; border-radius: 15px; }
  .site-header .button { min-height: 38px; padding-inline: 13px; font-size: .75rem; }
  .brand { font-size: .9rem; }
  .brand-mark { width: 30px; height: 30px; }
  .hero { padding: 122px 18px 86px; gap: 48px; }
  .hero h1 { font-size: clamp(3rem, 15vw, 4.7rem); }
  .hero-lede { font-size: 1rem; }
  .hero-actions { align-items: flex-start; flex-direction: column; gap: 18px; }
  .trust-list { gap: 10px 18px; }
  .hero-visual { min-height: 360px; }
  .browser-card { width: min(310px, 88%); transform: rotateZ(1deg); }
  .floating-card { transform: scale(.82); }
  .score-card { right: -24px; top: -20px; }
  .feedback-card { left: -22px; bottom: -18px; }
  .proof-strip { margin-top: -31px; padding: 20px; border-radius: 18px; }
  .proof-strip div { padding-inline: 12px; }
  .proof-strip div:nth-child(odd) { padding-left: 0; }
  .proof-strip strong { font-size: 1.25rem; }
  .section-heading { margin-bottom: 38px; }
  .ai-practice-section { padding-bottom: 82px; }
  .ai-practice-card { grid-template-columns: 1fr; gap: 42px; padding: 36px 24px; }
  .ai-practice-visual { order: 2; }
  .ai-screen-frame { width: min(260px, 82%); }
  .ai-screen-badge { left: 50%; bottom: 18px; transform: translateX(-50%); white-space: nowrap; }
  .tips-grid { grid-template-columns: 1fr; }
  .tip-card { min-height: auto; }
  .tips-cta { align-items: flex-start; flex-direction: column; }
  .module-tab { grid-template-columns: 32px 1fr; padding: 17px; }
  .module-preview { min-height: 430px; padding: 28px; }
  .module-preview h3 { margin-top: 52px; }
  .mock-section { padding-block: 78px; }
  .mock-flow { grid-template-columns: 1fr 1fr; }
  .band-orbit { right: -12px; bottom: -35px; width: 114px; height: 114px; }
  .band-orbit strong { font-size: 2rem; }
  .booster-card { padding: 30px 22px; border-radius: 24px; }
  .pricing-card { padding: 28px 22px; border-radius: 24px; }
  .pricing-top { align-items: flex-start; flex-direction: column; }
  .price { text-align: left; }
  .popular-badge { position: static; align-self: flex-start; margin-bottom: 18px; }
  .day { grid-template-columns: 82px 1fr auto; padding: 13px; }
  .day.active { transform: translateX(4px); }
  .pro-card { align-items: flex-start; flex-direction: column; padding: 38px 28px; }
  .about-section { padding-top: 78px; }
  .about-grid { gap: 36px; }
  .information-card { padding: 28px 22px; }
  .legal-notice { margin-top: 28px; padding: 23px 21px; }
  .site-footer { padding-block: 34px; flex-wrap: wrap; gap: 12px 22px; }
  .site-footer p { order: 3; width: 100%; margin: 0; }
}