@import"https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@400;500;600;700&family=Manrope:wght@400;500;600;700;800&family=JetBrains+Mono:wght@400;500;600&display=swap";:root{--blue-900: #0B2A47;--blue-800: #0A3A69;--blue-700: #054886;--blue-600: #00549F;--blue-500: #0E66AE;--blue-400: #3380C4;--blue-300: #6FA3D8;--blue-200: #A9C8EA;--blue-100: #D6E5F4;--blue-50: #EAF2FB;--amber-700: #97600F;--amber-600: #B5701A;--amber-500: #D98A1E;--amber-400: #E8A33D;--amber-200: #F4D49A;--amber-100: #FBEBD2;--amber-50: #FDF6E8;--ink-900: #14181F;--ink-800: #20262F;--ink-700: #333A45;--ink-600: #4B515C;--ink-500: #6B727E;--ink-400: #99A0AB;--ink-300: #C5CACF;--ink-200: #DEE1E6;--ink-150: #E7E9ED;--ink-100: #EFF1F4;--paper: #F4F5F3;--paper-2: #ECEEEC;--surface: #FFFFFF;--green-600: #18794E;--green-500: #1E8E5A;--green-100: #DCF1E6;--bg: var(--paper);--bg-alt: var(--paper-2);--bg-inverse: var(--ink-900);--surface-1: var(--surface);--surface-2: var(--ink-100);--fg: var(--ink-900);--fg-1: var(--ink-900);--fg-2: var(--ink-600);--fg-3: var(--ink-500);--fg-on-dark: #F4F5F3;--fg-on-dark-2: #AEB6C2;--border: var(--ink-150);--border-strong: var(--ink-200);--border-on-dark: rgba(244,245,243,.14);--brand: var(--blue-600);--brand-hover: var(--blue-700);--brand-press: var(--blue-800);--brand-soft: var(--blue-50);--accent: var(--blue-600);--accent-hover: var(--blue-700);--accent-press: var(--blue-800);--accent-soft: var(--blue-50);--math: var(--blue-600);--math-soft: var(--blue-50);--math-line: var(--blue-100);--social: var(--amber-500);--social-hover: var(--amber-600);--social-soft: var(--amber-100);--social-line: var(--amber-200);--secondary: var(--amber-500);--secondary-soft:var(--amber-100);--success: var(--green-500);--success-soft: var(--green-100);--warning: var(--amber-500);--warning-soft: var(--amber-100);--error: #C8463A;--error-soft: #F7DCD8;--info: var(--blue-500);--info-soft: var(--blue-50);--focus-ring: color-mix(in oklab, var(--blue-600) 60%, white);--font-display: 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4px;--radius-sm: 8px;--radius-md: 10px;--radius-lg: 14px;--radius-xl: 20px;--radius-2xl: 28px;--radius-pill:999px;--shadow-xs: 0 1px 2px rgba(20, 24, 31, .06);--shadow-sm: 0 1px 3px rgba(20, 24, 31, .07), 0 1px 2px rgba(20, 24, 31, .04);--shadow-md: 0 4px 14px rgba(20, 24, 31, .08), 0 2px 4px rgba(20, 24, 31, .04);--shadow-lg: 0 14px 34px rgba(20, 24, 31, .1), 0 4px 10px rgba(20, 24, 31, .05);--shadow-xl: 0 28px 64px rgba(11, 42, 71, .16), 0 8px 20px rgba(20, 24, 31, .06);--shadow-brand:0 6px 18px rgba(0, 84, 159, .28);--shadow-inset:inset 0 1px 0 rgba(255,255,255,.7);--ease-out: cubic-bezier(.22, 1, .36, 1);--ease-in-out:cubic-bezier(.65, 0, .35, 1);--ease-spring:cubic-bezier(.34, 1.56, .64, 1);--dur-fast: .14s;--dur-base: .22s;--dur-slow: .4s;--container: 1200px}.fs{font-family:var(--font-sans);color:var(--fg-1);background:var(--bg);font-size:var(--text-body);line-height:var(--leading-normal);-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}.fs-display{font-family:var(--font-display);font-weight:var(--weight-bold);font-size:var(--text-display);line-height:var(--leading-tight);letter-spacing:var(--tracking-tight);color:var(--fg-1);text-wrap:balance}.fs-h1{font-family:var(--font-display);font-weight:var(--weight-bold);font-size:var(--text-h1);line-height:var(--leading-tight);letter-spacing:var(--tracking-tight);text-wrap:balance}.fs-h2{font-family:var(--font-display);font-weight:var(--weight-semibold);font-size:var(--text-h2);line-height:var(--leading-snug);letter-spacing:var(--tracking-snug);text-wrap:balance}.fs-h3{font-family:var(--font-display);font-weight:var(--weight-semibold);font-size:var(--text-h3);line-height:var(--leading-snug);letter-spacing:var(--tracking-snug)}.fs-h4{font-family:var(--font-sans);font-weight:var(--weight-bold);font-size:var(--text-h4);line-height:var(--leading-snug);letter-spacing:var(--tracking-snug)}.fs-lead{font-family:var(--font-sans);font-size:var(--text-lg);line-height:var(--leading-relaxed);color:var(--fg-2)}.fs-body{font-size:var(--text-body);line-height:var(--leading-normal)}.fs-small{font-size:var(--text-sm);color:var(--fg-2)}.fs-caption{font-size:var(--text-xs);color:var(--fg-3)}.fs-overline{font-family:var(--font-mono);font-size:var(--text-overline);font-weight:var(--weight-semibold);letter-spacing:var(--tracking-caps);text-transform:uppercase;color:var(--brand)}.fs-mono{font-family:var(--font-mono);font-feature-settings:"tnum" 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var(--border-on-dark);border-radius:var(--radius-md)}.axbtn-light:hover{background:#f4f5f32e}.axbtn-invert{background:#fff;color:var(--brand);border-radius:999px;box-shadow:var(--shadow-md)}.axbtn-invert:hover{background:var(--blue-50)}.axbtn-link{background:none;color:var(--brand);padding:6px 4px}.axbtn-link:hover{color:var(--brand-press)}.axpill{display:inline-flex;align-items:center;gap:6px;padding:6px 13px;border-radius:999px;font-size:13px;font-weight:600;line-height:1;white-space:nowrap;align-self:flex-start}.axpill-math{background:var(--math-soft);color:var(--brand);border:1px solid var(--blue-100)}.axpill-social{background:var(--social-soft);color:var(--amber-700);border:1px solid var(--social-line)}.axpill-ink{background:var(--ink-900);color:#fff}.axpill-success{background:var(--success-soft);color:var(--green-600)}.axpill-outline{background:transparent;border:1.5px solid var(--border-strong);color:var(--fg-2)}.axpill-light{background:#f4f5f31f;color:var(--fg-on-dark);border:1px solid var(--border-on-dark)}.axeyebrow{font-family:var(--font-mono);font-size:12px;font-weight:600;letter-spacing:.16em;text-transform:uppercase;color:var(--brand);margin-bottom:16px}.axeyebrow-light{color:var(--blue-300)}.axeyebrow-social{color:var(--amber-700)}.axstars .star-on svg{fill:var(--amber-500);stroke:var(--amber-500)}.axstars .star-off svg{fill:none;stroke:var(--ink-300)}.h-display{font-family:var(--font-display);font-weight:700;font-size:clamp(2.6rem,4.2vw,3.9rem);line-height:1.03;letter-spacing:-.035em;color:var(--ink-900);margin:0;text-wrap:balance}.h1{font-family:var(--font-display);font-weight:700;font-size:clamp(2rem,3.4vw,3rem);line-height:1.06;letter-spacing:-.03em;color:var(--ink-900);text-wrap:balance;margin:0}.h2{font-family:var(--font-display);font-weight:600;font-size:clamp(1.7rem,2.7vw,2.35rem);line-height:1.12;letter-spacing:-.025em;color:var(--ink-900);text-wrap:balance;margin:0}.h3{font-family:var(--font-display);font-weight:600;font-size:1.45rem;line-height:1.2;letter-spacing:-.015em;color:var(--ink-900);margin:0}.lead{font-size:1.2rem;line-height:1.6;color:var(--fg-2)}.muted{color:var(--fg-3)}.mono{font-family:var(--font-mono)}.nav{position:sticky;top:0;z-index:50;transition:background var(--dur-base),box-shadow var(--dur-base),border-color var(--dur-base);border-bottom:1px solid 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68%);opacity:.7}.hero-inner{position:relative;display:grid;grid-template-columns:1.1fr .9fr;gap:48px;align-items:center}.hero-trust{display:flex;align-items:center;gap:12px;margin-top:30px;font-size:14px;color:var(--fg-2);flex-wrap:wrap}.hero-cta-row{display:flex;gap:14px;margin-top:34px;flex-wrap:wrap}.hero-card{background:var(--surface);border:1px solid var(--border);border-radius:20px;box-shadow:var(--shadow-xl);padding:22px;position:relative}.hero-card-head{display:flex;align-items:center;gap:12px;padding-bottom:16px;border-bottom:1px solid var(--border)}.avatar{width:46px;height:46px;border-radius:50%;background:var(--blue-100);display:flex;align-items:center;justify-content:center;font-weight:700;color:var(--brand);font-family:var(--font-display);flex:0 0 auto}.hero-prob{font-family:var(--font-mono);font-size:18px;color:var(--ink-900);background:var(--blue-50);border:1px solid var(--blue-100);border-radius:12px;padding:16px;margin:16px 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var(--focus-ring)}textarea.field{min-height:84px;line-height:1.5;resize:vertical}.field.invalid{border-color:var(--error)}.field.invalid:focus{border-color:var(--error);box-shadow:0 0 0 3px var(--error-soft)}.field-error{font-size:12.5px;color:var(--error);margin-top:6px}.seg{display:flex;gap:8px}.seg-opt{flex:1;text-align:center;padding:11px 10px;border-radius:var(--radius-md);border:1.5px solid var(--border-strong);background:var(--surface);cursor:pointer;font-size:14px;font-weight:600;color:var(--fg-2);transition-property:border-color,box-shadow;transition-duration:var(--dur-base)}.seg-opt.on-math{border-color:var(--brand);background:var(--blue-50);color:var(--brand)}.seg-opt.on-social{border-color:var(--social);background:var(--social-soft);color:var(--amber-700)}@media (max-width: 900px){.hero-inner,.tutor,.tracks,.steps,.quote-grid,.price-grid,.results-stats{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr 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