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768px){.mobile-menu-toggle{display:none}}.hamburger{width:24px;height:18px;position:relative;display:flex;flex-direction:column;justify-content:space-between}.hamburger span{width:100%;height:2px;background:var(--text-primary);transition:all .3s ease;transform-origin:center}.hamburger.open span:nth-child(1){transform:translateY(8px) rotate(45deg)}.hamburger.open span:nth-child(2){opacity:0}.hamburger.open span:nth-child(3){transform:translateY(-8px) rotate(-45deg)}.nav{display:none;gap:1.5rem}@media (min-width: 768px){.nav{display:flex}}@media (max-width: 767px){.nav.mobile-open{display:flex;flex-direction:column;position:fixed;top:72px;left:0;right:0;background:var(--bg-card);border-bottom:1px solid var(--border);padding:1.5rem;gap:1rem;box-shadow:var(--shadow-lg);animation:slideDown .3s ease-out}@keyframes slideDown{0%{opacity:0;transform:translateY(-10px)}to{opacity:1;transform:translateY(0)}}}.nav-link{color:var(--text-secondary);font-weight:500;transition:color 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var(--transition)}.faq-question:hover{background:var(--bg-tertiary)}.faq-question-text{flex:1;font-size:1.125rem;font-weight:600;color:var(--text-primary)}.faq-icon{flex-shrink:0;font-size:.875rem;color:var(--primary);transition:transform var(--transition)}.faq-icon.open{transform:rotate(180deg)}.faq-answer{padding:0 1rem 1rem;animation:fadeIn .3s ease-out}.faq-answer p{line-height:1.7;color:var(--text-secondary)}:root{--primary: #4F46E5;--primary-hover: #4338CA;--secondary: #10B981;--secondary-hover: #059669;--accent: #F59E0B;--accent-hover: #D97706;--bg-primary: #FFFFFF;--bg-secondary: #F9FAFB;--bg-tertiary: #F3F4F6;--bg-card: #FFFFFF;--bg-code: #F9FAFB;--text-primary: #111827;--text-secondary: #6B7280;--text-tertiary: #9CA3AF;--text-inverse: #FFFFFF;--border: #E5E7EB;--border-hover: #D1D5DB;--shadow-sm: 0 1px 2px 0 rgb(0 0 0 / .05);--shadow: 0 1px 3px 0 rgb(0 0 0 / .1), 0 1px 2px -1px rgb(0 0 0 / .1);--shadow-md: 0 4px 6px -1px rgb(0 0 0 / .1), 0 2px 4px -2px rgb(0 0 0 / .1);--shadow-lg: 0 10px 15px -3px rgb(0 0 0 / .1), 0 4px 6px -4px rgb(0 0 0 / .1);--radius-sm: .375rem;--radius: .5rem;--radius-md: .75rem;--radius-lg: 1rem;--transition: .15s cubic-bezier(.4, 0, .2, 1);color-scheme:light}[data-theme=dark]{--primary: #6366F1;--primary-hover: #818CF8;--secondary: #34D399;--secondary-hover: #6EE7B7;--accent: #FBBF24;--accent-hover: #FCD34D;--bg-primary: #0F172A;--bg-secondary: #1E293B;--bg-tertiary: #334155;--bg-card: #1E293B;--bg-code: #0F172A;--text-primary: #F1F5F9;--text-secondary: #94A3B8;--text-tertiary: #64748B;--text-inverse: #0F172A;--border: #334155;--border-hover: #475569;--shadow-sm: 0 1px 2px 0 rgb(0 0 0 / .3);--shadow: 0 1px 3px 0 rgb(0 0 0 / .4), 0 1px 2px -1px rgb(0 0 0 / .4);--shadow-md: 0 4px 6px -1px rgb(0 0 0 / .4), 0 2px 4px -2px rgb(0 0 0 / .4);--shadow-lg: 0 10px 15px -3px rgb(0 0 0 / .4), 0 4px 6px -4px rgb(0 0 0 / .4);color-scheme:dark}*{margin:0;padding:0;box-sizing:border-box}html{scroll-behavior:smooth}body{font-family:Fira 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768px){.section{padding:6rem 0}}@media (min-width: 1024px){.section{padding:8rem 0}}@keyframes fadeIn{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}@keyframes slideIn{0%{opacity:0;transform:translate(-20px)}to{opacity:1;transform:translate(0)}}@keyframes pulse{0%,to{opacity:1}50%{opacity:.5}}.fade-in{animation:fadeIn .6s ease-out}.slide-in{animation:slideIn .6s ease-out}.text-center{text-align:center}.text-gradient{background:linear-gradient(135deg,var(--primary),var(--secondary));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.visually-hidden{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border-width:0}*:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:var(--radius-sm)}::-webkit-scrollbar{width:10px;height:10px}::-webkit-scrollbar-track{background:var(--bg-secondary)}::-webkit-scrollbar-thumb{background:var(--border-hover);border-radius:var(--radius)}::-webkit-scrollbar-thumb:hover{background:var(--text-tertiary)}::selection{background-color:var(--primary);color:var(--text-inverse)}.loading{animation:pulse 2s cubic-bezier(.4,0,.6,1) infinite}