:root{--color-primary: #1a73e8;--color-primary-hover: #1557b0;--color-text-main: #202124;--color-text-secondary: #5f6368;--color-background: #ffffff;--color-surface: #f8f9fa;--color-border: #dadce0;--color-success: #1e8e3e;--color-error: #d93025;--font-family-base: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", "Roboto", "Oxygen", "Ubuntu", "Cantarell", "Fira Sans", "Droid Sans", "Helvetica Neue", sans-serif;--font-size-base: 16px;--line-height-base: 1.5;--spacing-xs: 4px;--spacing-sm: 8px;--spacing-md: 16px;--spacing-lg: 24px;--spacing-xl: 32px;--spacing-xxl: 64px;--radius-sm: 4px;--radius-md: 8px;--radius-lg: 24px}[data-theme=dark]{--color-primary: #8ab4f8;--color-primary-hover: #aecbfa;--color-text-main: #e8eaed;--color-text-secondary: #9aa0a6;--color-background: #202124;--color-surface: #2d2e31;--color-border: #3c4043}*{box-sizing:border-box;margin:0;padding:0}body{font-family:var(--font-family-base);color:var(--color-text-main);background-color:var(--color-background);line-height:var(--line-height-base);-webkit-font-smoothing:antialiased}a{color:var(--color-primary);text-decoration:none;transition:color .2s ease}a:hover{color:var(--color-primary-hover)}nav{background-color:var(--color-background)}h1,h2,h3,h4,h5,h6{font-weight:500;letter-spacing:-.01em;margin-bottom:var(--spacing-md)}h1{font-size:2.5rem;line-height:1.2}h2{font-size:2rem}h3{font-size:1.5rem}p{margin-bottom:var(--spacing-md);color:var(--color-text-secondary);font-size:1.125rem}.container{max-width:1200px;margin:0 auto;padding:0 var(--spacing-lg)}.btn{display:inline-flex;align-items:center;justify-content:center;padding:10px 24px;font-weight:500;border-radius:var(--radius-sm);cursor:pointer;transition:all .2s;border:1px solid transparent;font-size:1rem}.btn-primary{background-color:var(--color-primary);color:#fff}.btn-primary:hover{background-color:var(--color-primary-hover);box-shadow:0 1px 3px #3c40434d,0 4px 8px 3px #3c404326}.btn-outline{background-color:transparent;border-color:var(--color-border);color:var(--color-primary)}.btn-outline:hover{background-color:var(--color-surface);border-color:var(--color-primary)}.text-center{text-align:center}.mb-lg{margin-bottom:var(--spacing-lg)}.mt-lg{margin-top:var(--spacing-lg)}.py-xxl{padding-top:var(--spacing-xxl);padding-bottom:var(--spacing-xxl)}input,textarea,select{width:100%;padding:12px 16px;border:1px solid var(--color-border);border-radius:var(--radius-sm);font-family:inherit;font-size:1rem;margin-bottom:var(--spacing-md);transition:border-color .2s}input:focus,textarea:focus,select:focus{outline:none;border-color:var(--color-primary);box-shadow:0 0 0 2px #1a73e833}label{display:block;margin-bottom:var(--spacing-xs);color:var(--color-text-main);font-weight:500}@media (max-width: 768px){:root{--spacing-lg: 16px;--spacing-xxl: 40px;--font-size-base: 15px}h1{font-size:2rem}h2{font-size:1.75rem}h3{font-size:1.25rem}.mobile-menu-toggle{display:block!important}.nav-links{display:none!important;width:100%;flex-direction:column;padding-top:24px;gap:16px!important}.nav-links.open{display:flex!important;animation:slideDown .3s ease-out}.mobile-only{display:inline-block!important}.grid-container{grid-template-columns:1fr!important}section{padding:40px 0!important}}@keyframes slideDown{0%{opacity:0;transform:translateY(-10px)}to{opacity:1;transform:translateY(0)}}