@import"https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&family=Montserrat:wght@700&family=Space+Grotesk:wght@500;700&family=JetBrains+Mono:wght@400;500&display=swap";:root{--primary-blue: #2563eb;--primary-blue-dark: #1d4ed8;--primary-blue-darker: #1e3a8a;--primary-blue-light: #dbeafe;--primary-blue-subtle: #eff6ff;--text-primary: #1a1a1a;--text-secondary: #6b7280;--text-muted: #94a3b8;--surface: #ffffff;--surface-hover: #f9fafb;--surface-muted: #f8fafc;--surface-border: #e5e7eb;--surface-border-hover: #d1d5db;--success: #10b981;--warning: #f59e0b;--error: #ef4444;--gradient-hero: linear-gradient(135deg, #f8fafc 0%, #f1f5f9 50%, #e2e8f0 100%);--gradient-primary: linear-gradient(135deg, #2563eb, #1d4ed8);--gradient-glass: rgba(255, 255, 255, .85);--font-system: -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;--text-xs: .75rem;--text-sm: .875rem;--text-base: 1rem;--text-lg: 1.125rem;--text-xl: 1.25rem;--text-2xl: 1.5rem;--text-3xl: 1.875rem;--text-4xl: 2.25rem;--text-5xl: 3rem;--space-1: .25rem;--space-2: .5rem;--space-3: .75rem;--space-4: 1rem;--space-5: 1.25rem;--space-6: 1.5rem;--space-8: 2rem;--space-10: 2.5rem;--space-12: 3rem;--space-16: 4rem;--space-20: 5rem;--radius-sm: 6px;--radius-md: 8px;--radius-lg: 12px;--radius-xl: 16px;--radius-full: 9999px;--shadow-sm: 0 2px 4px rgba(0, 0, 0, .05);--shadow-md: 0 4px 12px rgba(0, 0, 0, .08);--shadow-lg: 0 8px 25px rgba(0, 0, 0, .12);--shadow-xl: 0 20px 40px rgba(0, 0, 0, .15);--transition-fast: .2s ease;--transition-smooth: .3s cubic-bezier(.4, 0, .2, 1);--container-max-width: 1200px}*{box-sizing:border-box}body{font-family:var(--font-system);line-height:1.6;color:var(--text-primary);margin:0;padding:0;background:var(--surface)}input,textarea,select{background:var(--surface, #ffffff)!important;color:var(--text-primary, #1a1a1a)!important;font-family:inherit}input::placeholder,textarea::placeholder{color:var(--text-secondary, #6b7280)!important}button{font-family:inherit}.container{max-width:var(--container-max-width);margin:0 auto;padding:0 var(--space-4)}@media(min-width:768px){.container{padding:0 var(--space-8)}}.text-primary{color:var(--text-primary)}.text-secondary{color:var(--text-secondary)}.text-muted{color:var(--text-muted)}.text-center{text-align:center}.text-left{text-align:left}.text-right{text-align:right}.gradient-text{background:var(--gradient-primary);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.surface-glass{background:var(--gradient-glass);backdrop-filter:blur(20px);border:1px solid rgba(255,255,255,.2)}.brand-name{word-spacing:-.2em;white-space:nowrap;display:inline-block}@keyframes slideDown{0%{opacity:0;transform:translateY(-10px)}to{opacity:1;transform:translateY(0)}}@keyframes fadeInUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes bounce{0%,20%,50%,80%,to{transform:translateY(0)}40%{transform:translateY(-3px)}60%{transform:translateY(-1px)}}body{margin:0;font-family:Inter,-apple-system,BlinkMacSystemFont,sans-serif;-webkit-font-smoothing:antialiased;background-color:var(--surface);color:var(--text-primary)}code{font-family:JetBrains Mono,monospace}:root{--tracking-tighter: -.04em}.font-display{font-family:Space Grotesk,sans-serif;letter-spacing:var(--tracking-tighter)}.font-mono{font-family:JetBrains Mono,monospace}.bg-grid{position:relative}.bg-grid:before{content:"";position:absolute;top:0;left:0;width:100%;height:100%;background-size:40px 40px;background-image:linear-gradient(to right,rgba(0,0,0,.03) 1px,transparent 1px),linear-gradient(to bottom,rgba(0,0,0,.03) 1px,transparent 1px);mask-image:linear-gradient(to bottom,black 40%,transparent 100%);-webkit-mask-image:linear-gradient(to bottom,black 40%,transparent 100%);z-index:0;pointer-events:none}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-track{background:var(--surface-muted);border-radius:var(--radius-sm)}::-webkit-scrollbar-thumb{background:var(--text-muted);border-radius:var(--radius-sm);transition:background var(--transition-smooth)}::-webkit-scrollbar-thumb:hover{background:var(--text-secondary)}::-webkit-scrollbar-corner{background:var(--surface-muted)}*{scrollbar-width:thin;scrollbar-color:var(--text-muted) var(--surface-muted)}:root{--primary-color: var(--primary-blue);--secondary-color: #3bd9c1;--accent-color: var(--warning);--error-color: var(--error);--success-color: var(--success);--warning-color: var(--warning);--background: var(--surface);--border: var(--surface-border);--text-main: var(--text-primary);--primary: var(--primary-blue);--primary-dark: var(--primary-blue-dark);--primary-light: var(--primary-blue-light);--line-color: var(--surface-border);--card-shadow: var(--shadow-md);--checkpoint-color: var(--warning)}h1,h2,h3,h4,h5,h6{font-weight:600;line-height:1.25;margin-bottom:.5rem}h1{font-size:2.25rem}h2{font-size:1.875rem}h3{font-size:1.5rem}h4{font-size:1.25rem}h5{font-size:1.125rem}h6{font-size:1rem}@media(max-width:768px){h1{font-size:1.875rem}h2{font-size:1.5rem}h3{font-size:1.25rem}}html{scroll-behavior:smooth;scroll-padding-top:80px}body{overflow-x:clip}@font-face{font-family:Inter;font-style:normal;font-display:swap;font-weight:400;src:url(/_astro/inter-cyrillic-ext-400-normal.BQZuk6qB.woff2) format("woff2"),url(/_astro/inter-cyrillic-ext-400-normal.DQukG94-.woff) format("woff");unicode-range:U+0460-052F,U+1C80-1C8A,U+20B4,U+2DE0-2DFF,U+A640-A69F,U+FE2E-FE2F}@font-face{font-family:Inter;font-style:normal;font-display:swap;font-weight:400;src:url(/_astro/inter-cyrillic-400-normal.obahsSVq.woff2) format("woff2"),url(/_astro/inter-cyrillic-400-normal.HOLc17fK.woff) format("woff");unicode-range:U+0301,U+0400-045F,U+0490-0491,U+04B0-04B1,U+2116}@font-face{font-family:Inter;font-style:normal;font-display:swap;font-weight:400;src:url(/_astro/inter-greek-ext-400-normal.DGGRlc-M.woff2) format("woff2"),url(/_astro/inter-greek-ext-400-normal.KugGGMne.woff) format("woff");unicode-range:U+1F00-1FFF}@font-face{font-family:Inter;font-style:normal;font-display:swap;font-weight:400;src:url(/_astro/inter-greek-400-normal.B4URO6DV.woff2) format("woff2"),url(/_astro/inter-greek-400-normal.q2sYcFCs.woff) format("woff");unicode-range:U+0370-0377,U+037A-037F,U+0384-038A,U+038C,U+038E-03A1,U+03A3-03FF}@font-face{font-family:Inter;font-style:normal;font-display:swap;font-weight:400;src:url(/_astro/inter-vietnamese-400-normal.DMkecbls.woff2) format("woff2"),url(/_astro/inter-vietnamese-400-normal.Bbgyi5SW.woff) format("woff");unicode-range:U+0102-0103,U+0110-0111,U+0128-0129,U+0168-0169,U+01A0-01A1,U+01AF-01B0,U+0300-0301,U+0303-0304,U+0308-0309,U+0323,U+0329,U+1EA0-1EF9,U+20AB}@font-face{font-family:Inter;font-style:normal;font-display:swap;font-weight:400;src:url(/_astro/inter-latin-ext-400-normal.C1nco2VV.woff2) format("woff2"),url(/_astro/inter-latin-ext-400-normal.77YHD8bZ.woff) format("woff");unicode-range:U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+0304,U+0308,U+0329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}@font-face{font-family:Inter;font-style:normal;font-display:swap;font-weight:400;src:url(/_astro/inter-latin-400-normal.C38fXH4l.woff2) format("woff2"),url(/_astro/inter-latin-400-normal.CyCys3Eg.woff) format("woff");unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}@font-face{font-family:Inter;font-style:normal;font-display:swap;font-weight:500;src:url(/_astro/inter-cyrillic-ext-500-normal.B0yAr1jD.woff2) format("woff2"),url(/_astro/inter-cyrillic-ext-500-normal.BmqWE9Dz.woff) format("woff");unicode-range:U+0460-052F,U+1C80-1C8A,U+20B4,U+2DE0-2DFF,U+A640-A69F,U+FE2E-FE2F}@font-face{font-family:Inter;font-style:normal;font-display:swap;font-weight:500;src:url(/_astro/inter-cyrillic-500-normal.BasfLYem.woff2) format("woff2"),url(/_astro/inter-cyrillic-500-normal.CxZf_p3X.woff) format("woff");unicode-range:U+0301,U+0400-045F,U+0490-0491,U+04B0-04B1,U+2116}@font-face{font-family:Inter;font-style:normal;font-display:swap;font-weight:500;src:url(/_astro/inter-greek-ext-500-normal.C4iEst2y.woff2) format("woff2"),url(/_astro/inter-greek-ext-500-normal.2j5mBUwD.woff) format("woff");unicode-range:U+1F00-1FFF}@font-face{font-family:Inter;font-style:normal;font-display:swap;font-weight:500;src:url(/_astro/inter-greek-500-normal.BIZE56-Y.woff2) format("woff2"),url(/_astro/inter-greek-500-normal.Xzm54t5V.woff) format("woff");unicode-range:U+0370-0377,U+037A-037F,U+0384-038A,U+038C,U+038E-03A1,U+03A3-03FF}@font-face{font-family:Inter;font-style:normal;font-display:swap;font-weight:500;src:url(/_astro/inter-vietnamese-500-normal.DOriooB6.woff2) format("woff2"),url(/_astro/inter-vietnamese-500-normal.mJboJaSs.woff) format("woff");unicode-range:U+0102-0103,U+0110-0111,U+0128-0129,U+0168-0169,U+01A0-01A1,U+01AF-01B0,U+0300-0301,U+0303-0304,U+0308-0309,U+0323,U+0329,U+1EA0-1EF9,U+20AB}@font-face{font-family:Inter;font-style:normal;font-display:swap;font-weight:500;src:url(/_astro/inter-latin-ext-500-normal.CV4jyFjo.woff2) format("woff2"),url(/_astro/inter-latin-ext-500-normal.BxGbmqWO.woff) format("woff");unicode-range:U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+0304,U+0308,U+0329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}@font-face{font-family:Inter;font-style:normal;font-display:swap;font-weight:500;src:url(/_astro/inter-latin-500-normal.Cerq10X2.woff2) format("woff2"),url(/_astro/inter-latin-500-normal.BL9OpVg8.woff) format("woff");unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}@font-face{font-family:Inter;font-style:normal;font-display:swap;font-weight:600;src:url(/_astro/inter-cyrillic-ext-600-normal.Dfes3d0z.woff2) format("woff2"),url(/_astro/inter-cyrillic-ext-600-normal.Bcila6Z-.woff) format("woff");unicode-range:U+0460-052F,U+1C80-1C8A,U+20B4,U+2DE0-2DFF,U+A640-A69F,U+FE2E-FE2F}@font-face{font-family:Inter;font-style:normal;font-display:swap;font-weight:600;src:url(/_astro/inter-cyrillic-600-normal.CWCymEST.woff2) format("woff2"),url(/_astro/inter-cyrillic-600-normal.4D_pXhcN.woff) format("woff");unicode-range:U+0301,U+0400-045F,U+0490-0491,U+04B0-04B1,U+2116}@font-face{font-family:Inter;font-style:normal;font-display:swap;font-weight:600;src:url(/_astro/inter-greek-ext-600-normal.DRtmH8MT.woff2) format("woff2"),url(/_astro/inter-greek-ext-600-normal.B8X0CLgF.woff) format("woff");unicode-range:U+1F00-1FFF}@font-face{font-family:Inter;font-style:normal;font-display:swap;font-weight:600;src:url(/_astro/inter-greek-600-normal.plRanbMR.woff2) format("woff2"),url(/_astro/inter-greek-600-normal.BZpKdvQh.woff) format("woff");unicode-range:U+0370-0377,U+037A-037F,U+0384-038A,U+038C,U+038E-03A1,U+03A3-03FF}@font-face{font-family:Inter;font-style:normal;font-display:swap;font-weight:600;src:url(/_astro/inter-vietnamese-600-normal.Cc8MFFhd.woff2) format("woff2"),url(/_astro/inter-vietnamese-600-normal.BuLX-rYi.woff) format("woff");unicode-range:U+0102-0103,U+0110-0111,U+0128-0129,U+0168-0169,U+01A0-01A1,U+01AF-01B0,U+0300-0301,U+0303-0304,U+0308-0309,U+0323,U+0329,U+1EA0-1EF9,U+20AB}@font-face{font-family:Inter;font-style:normal;font-display:swap;font-weight:600;src:url(/_astro/inter-latin-ext-600-normal.D2bJ5OIk.woff2) format("woff2"),url(/_astro/inter-latin-ext-600-normal.CIVaiw4L.woff) format("woff");unicode-range:U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+0304,U+0308,U+0329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}@font-face{font-family:Inter;font-style:normal;font-display:swap;font-weight:600;src:url(/_astro/inter-latin-600-normal.LgqL8muc.woff2) format("woff2"),url(/_astro/inter-latin-600-normal.CiBQ2DWP.woff) format("woff");unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}@font-face{font-family:Inter;font-style:normal;font-display:swap;font-weight:700;src:url(/_astro/inter-cyrillic-ext-700-normal.BjwYoWNd.woff2) format("woff2"),url(/_astro/inter-cyrillic-ext-700-normal.LO58E6JB.woff) format("woff");unicode-range:U+0460-052F,U+1C80-1C8A,U+20B4,U+2DE0-2DFF,U+A640-A69F,U+FE2E-FE2F}@font-face{font-family:Inter;font-style:normal;font-display:swap;font-weight:700;src:url(/_astro/inter-cyrillic-700-normal.CjBOestx.woff2) format("woff2"),url(/_astro/inter-cyrillic-700-normal.DrXBdSj3.woff) format("woff");unicode-range:U+0301,U+0400-045F,U+0490-0491,U+04B0-04B1,U+2116}@font-face{font-family:Inter;font-style:normal;font-display:swap;font-weight:700;src:url(/_astro/inter-greek-ext-700-normal.qfdV9bQt.woff2) format("woff2"),url(/_astro/inter-greek-ext-700-normal.BoQ6DsYi.woff) format("woff");unicode-range:U+1F00-1FFF}@font-face{font-family:Inter;font-style:normal;font-display:swap;font-weight:700;src:url(/_astro/inter-greek-700-normal.C3JjAnD8.woff2) format("woff2"),url(/_astro/inter-greek-700-normal.BUv2fZ6O.woff) format("woff");unicode-range:U+0370-0377,U+037A-037F,U+0384-038A,U+038C,U+038E-03A1,U+03A3-03FF}@font-face{font-family:Inter;font-style:normal;font-display:swap;font-weight:700;src:url(/_astro/inter-vietnamese-700-normal.DlLaEgI2.woff2) format("woff2"),url(/_astro/inter-vietnamese-700-normal.BZaoP0fm.woff) format("woff");unicode-range:U+0102-0103,U+0110-0111,U+0128-0129,U+0168-0169,U+01A0-01A1,U+01AF-01B0,U+0300-0301,U+0303-0304,U+0308-0309,U+0323,U+0329,U+1EA0-1EF9,U+20AB}@font-face{font-family:Inter;font-style:normal;font-display:swap;font-weight:700;src:url(/_astro/inter-latin-ext-700-normal.Ca8adRJv.woff2) format("woff2"),url(/_astro/inter-latin-ext-700-normal.TidjK2hL.woff) format("woff");unicode-range:U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+0304,U+0308,U+0329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}@font-face{font-family:Inter;font-style:normal;font-display:swap;font-weight:700;src:url(/_astro/inter-latin-700-normal.Yt3aPRUw.woff2) format("woff2"),url(/_astro/inter-latin-700-normal.BLAVimhd.woff) format("woff");unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}@font-face{font-family:"Source Serif 4";font-style:normal;font-display:swap;font-weight:400;src:url(/_astro/source-serif-4-cyrillic-ext-400-normal.CWV284fw.woff2) format("woff2"),url(/_astro/source-serif-4-cyrillic-ext-400-normal.DLkyKLvH.woff) format("woff");unicode-range:U+0460-052F,U+1C80-1C8A,U+20B4,U+2DE0-2DFF,U+A640-A69F,U+FE2E-FE2F}@font-face{font-family:"Source Serif 4";font-style:normal;font-display:swap;font-weight:400;src:url(/_astro/source-serif-4-cyrillic-400-normal.C44pakCn.woff2) format("woff2"),url(/_astro/source-serif-4-cyrillic-400-normal.B8Z6Jvzv.woff) format("woff");unicode-range:U+0301,U+0400-045F,U+0490-0491,U+04B0-04B1,U+2116}@font-face{font-family:"Source Serif 4";font-style:normal;font-display:swap;font-weight:400;src:url(/_astro/source-serif-4-greek-400-normal.Cw5-AHNN.woff2) format("woff2"),url(/_astro/source-serif-4-greek-400-normal.BccYJ-vZ.woff) format("woff");unicode-range:U+0370-0377,U+037A-037F,U+0384-038A,U+038C,U+038E-03A1,U+03A3-03FF}@font-face{font-family:"Source Serif 4";font-style:normal;font-display:swap;font-weight:400;src:url(/_astro/source-serif-4-vietnamese-400-normal.BbG3LG1A.woff2) format("woff2"),url(/_astro/source-serif-4-vietnamese-400-normal.DR1UuFon.woff) format("woff");unicode-range:U+0102-0103,U+0110-0111,U+0128-0129,U+0168-0169,U+01A0-01A1,U+01AF-01B0,U+0300-0301,U+0303-0304,U+0308-0309,U+0323,U+0329,U+1EA0-1EF9,U+20AB}@font-face{font-family:"Source Serif 4";font-style:normal;font-display:swap;font-weight:400;src:url(/_astro/source-serif-4-latin-ext-400-normal.Cp7z-ARB.woff2) format("woff2"),url(/_astro/source-serif-4-latin-ext-400-normal.CEpydyUl.woff) format("woff");unicode-range:U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+0304,U+0308,U+0329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}@font-face{font-family:"Source Serif 4";font-style:normal;font-display:swap;font-weight:400;src:url(/_astro/source-serif-4-latin-400-normal.DJ5YJwmz.woff2) format("woff2"),url(/_astro/source-serif-4-latin-400-normal.Dn3IlU-Z.woff) format("woff");unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}@font-face{font-family:"Source Serif 4";font-style:normal;font-display:swap;font-weight:600;src:url(/_astro/source-serif-4-cyrillic-ext-600-normal.D_E8FDgP.woff2) format("woff2"),url(/_astro/source-serif-4-cyrillic-ext-600-normal.DiT2IGQm.woff) format("woff");unicode-range:U+0460-052F,U+1C80-1C8A,U+20B4,U+2DE0-2DFF,U+A640-A69F,U+FE2E-FE2F}@font-face{font-family:"Source Serif 4";font-style:normal;font-display:swap;font-weight:600;src:url(/_astro/source-serif-4-cyrillic-600-normal.BDP5YDHD.woff2) format("woff2"),url(/_astro/source-serif-4-cyrillic-600-normal.DFnC3vAY.woff) format("woff");unicode-range:U+0301,U+0400-045F,U+0490-0491,U+04B0-04B1,U+2116}@font-face{font-family:"Source Serif 4";font-style:normal;font-display:swap;font-weight:600;src:url(/_astro/source-serif-4-greek-600-normal.DdRkKr-1.woff2) format("woff2"),url(/_astro/source-serif-4-greek-600-normal.DhXQw1Kl.woff) format("woff");unicode-range:U+0370-0377,U+037A-037F,U+0384-038A,U+038C,U+038E-03A1,U+03A3-03FF}@font-face{font-family:"Source Serif 4";font-style:normal;font-display:swap;font-weight:600;src:url(/_astro/source-serif-4-vietnamese-600-normal.CznyfUKR.woff2) format("woff2"),url(/_astro/source-serif-4-vietnamese-600-normal.B0WJbuqT.woff) format("woff");unicode-range:U+0102-0103,U+0110-0111,U+0128-0129,U+0168-0169,U+01A0-01A1,U+01AF-01B0,U+0300-0301,U+0303-0304,U+0308-0309,U+0323,U+0329,U+1EA0-1EF9,U+20AB}@font-face{font-family:"Source Serif 4";font-style:normal;font-display:swap;font-weight:600;src:url(/_astro/source-serif-4-latin-ext-600-normal.0sIUyHMO.woff2) format("woff2"),url(/_astro/source-serif-4-latin-ext-600-normal.C6NNqpJh.woff) format("woff");unicode-range:U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+0304,U+0308,U+0329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}@font-face{font-family:"Source Serif 4";font-style:normal;font-display:swap;font-weight:600;src:url(/_astro/source-serif-4-latin-600-normal.DouSKlru.woff2) format("woff2"),url(/_astro/source-serif-4-latin-600-normal.DMD1h6_f.woff) format("woff");unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}@font-face{font-family:"Source Serif 4";font-style:normal;font-display:swap;font-weight:700;src:url(/_astro/source-serif-4-cyrillic-ext-700-normal.B9R79AaY.woff2) format("woff2"),url(/_astro/source-serif-4-cyrillic-ext-700-normal.DsKdgJCr.woff) format("woff");unicode-range:U+0460-052F,U+1C80-1C8A,U+20B4,U+2DE0-2DFF,U+A640-A69F,U+FE2E-FE2F}@font-face{font-family:"Source Serif 4";font-style:normal;font-display:swap;font-weight:700;src:url(/_astro/source-serif-4-cyrillic-700-normal.BmBwwUw2.woff2) format("woff2"),url(/_astro/source-serif-4-cyrillic-700-normal.DVvE-KHB.woff) format("woff");unicode-range:U+0301,U+0400-045F,U+0490-0491,U+04B0-04B1,U+2116}@font-face{font-family:"Source Serif 4";font-style:normal;font-display:swap;font-weight:700;src:url(/_astro/source-serif-4-greek-700-normal.BzuEQSqJ.woff2) format("woff2"),url(/_astro/source-serif-4-greek-700-normal.C5Ojiwey.woff) format("woff");unicode-range:U+0370-0377,U+037A-037F,U+0384-038A,U+038C,U+038E-03A1,U+03A3-03FF}@font-face{font-family:"Source Serif 4";font-style:normal;font-display:swap;font-weight:700;src:url(/_astro/source-serif-4-vietnamese-700-normal.CCAt8c4x.woff2) format("woff2"),url(/_astro/source-serif-4-vietnamese-700-normal.BBU5i_d1.woff) format("woff");unicode-range:U+0102-0103,U+0110-0111,U+0128-0129,U+0168-0169,U+01A0-01A1,U+01AF-01B0,U+0300-0301,U+0303-0304,U+0308-0309,U+0323,U+0329,U+1EA0-1EF9,U+20AB}@font-face{font-family:"Source Serif 4";font-style:normal;font-display:swap;font-weight:700;src:url(/_astro/source-serif-4-latin-ext-700-normal.C8ywwcuQ.woff2) format("woff2"),url(/_astro/source-serif-4-latin-ext-700-normal.BZsvHpal.woff) format("woff");unicode-range:U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+0304,U+0308,U+0329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}@font-face{font-family:"Source Serif 4";font-style:normal;font-display:swap;font-weight:700;src:url(/_astro/source-serif-4-latin-700-normal.CGGdTIBe.woff2) format("woff2"),url(/_astro/source-serif-4-latin-700-normal.3V4Pv1hj.woff) format("woff");unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}.cta-button{display:inline-flex;align-items:center;justify-content:center;text-decoration:none;text-align:center;cursor:pointer;border:none;font-weight:600;letter-spacing:-.01em;transition:all var(--transition-smooth);position:relative;overflow:hidden;white-space:nowrap}.cta-button:disabled{opacity:.5;cursor:not-allowed;transform:none!important}.cta-button--sm{padding:var(--space-2) var(--space-4);font-size:var(--text-sm);border-radius:var(--radius-sm);min-height:32px}.cta-button--md{padding:var(--space-3) var(--space-5);font-size:var(--text-base);border-radius:var(--radius-md);min-height:40px}.cta-button--lg{padding:var(--space-4) var(--space-8);font-size:var(--text-lg);border-radius:var(--radius-lg);min-height:48px}.cta-button--primary{background:var(--primary-blue);color:var(--surface);box-shadow:0 4px 16px #2563eb40,0 2px 8px #2563eb26}.cta-button--primary:before{content:"";position:absolute;inset:0;background:linear-gradient(135deg,rgba(255,255,255,.1) 0%,transparent 50%);transition:opacity var(--transition-smooth);opacity:0}.cta-button--primary:hover:not(:disabled){transform:translateY(-2px);background:var(--primary-blue-dark);box-shadow:0 8px 24px #2563eb59,0 4px 12px #2563eb40}.cta-button--primary:hover:not(:disabled):before{opacity:1}.cta-button--primary:active:not(:disabled){transform:translateY(0)}.cta-button--secondary{background:#fffc;color:var(--text-secondary);border:1px solid rgba(226,232,240,.8);backdrop-filter:blur(8px);box-shadow:var(--shadow-sm)}.cta-button--secondary:hover:not(:disabled){background:#fffffff2;border-color:#cbd5e1cc;transform:translateY(-1px);box-shadow:var(--shadow-md);color:var(--text-primary)}.cta-button--secondary:active:not(:disabled){transform:translateY(0)}.cta-button--ghost{background:transparent;color:var(--text-secondary);border:1px solid transparent}.cta-button--ghost:hover:not(:disabled){background:var(--surface-hover);color:var(--primary-blue);border-color:var(--surface-border)}.cta-button--ghost:active:not(:disabled){background:var(--surface-muted)}.header{background:var(--surface);border-bottom:1px solid var(--surface-border);position:sticky;top:0;z-index:1000;transition:box-shadow var(--transition-fast)}.header:hover{box-shadow:var(--shadow-sm)}.header .container{display:flex;align-items:center;justify-content:space-between;height:64px}.header__logo{display:flex;align-items:center;text-decoration:none;transition:opacity var(--transition-fast)}.header__logo:hover{opacity:.8}.header__logo-img{display:block;height:40px;max-width:260px;width:auto;object-fit:contain;margin:0;vertical-align:middle}.header__nav--desktop{display:none;align-items:center;gap:var(--space-8)}.header__nav-button{background:none;border:none;color:var(--text-secondary);font-size:var(--text-base);cursor:pointer;padding:var(--space-2) 0;transition:color var(--transition-fast);font-weight:500;text-decoration:none}.header__nav-button:hover{color:var(--primary-blue)}.header__auth-section{display:flex;align-items:center;gap:var(--space-4)}.header__mobile-menu-button{display:flex;align-items:center;justify-content:center;width:44px;height:44px;background:none;border:none;font-size:var(--text-xl);color:var(--text-secondary);cursor:pointer;transition:color var(--transition-fast)}.header__mobile-menu-button:hover{color:var(--text-primary)}.header__mobile-menu{position:absolute;top:100%;left:0;right:0;background:var(--surface);border-bottom:1px solid var(--surface-border);padding:var(--space-4);display:flex;flex-direction:column;gap:var(--space-4);box-shadow:var(--shadow-md)}.header__mobile-menu[hidden]{display:none}.header__mobile-nav-item{background:none;border:none;color:var(--text-secondary);font-size:var(--text-base);padding:var(--space-3) 0;text-align:center;text-decoration:none;cursor:pointer;transition:color var(--transition-fast);display:block;width:100%;font-weight:500}.header__mobile-nav-item:hover{color:var(--primary-blue)}.header__mobile-auth-button{align-self:center;background:var(--primary-blue);color:var(--surface);padding:var(--space-2) var(--space-6);border-radius:var(--radius-md);font-weight:600;text-decoration:none;text-align:center}.header__mobile-auth-button:hover{background:var(--primary-blue-dark)}@media(max-width:768px){.header__logo-text{font-size:clamp(1.5rem,8vw,2.5rem)!important;transform:none!important}}@media(min-width:768px){.header .container{padding:0 var(--space-8)}.header__nav--desktop{display:flex}.header__mobile-menu-button,.header__mobile-menu{display:none}}