:root{color-scheme:light dark;--bg-primary: light-dark(#ffffff, #0d0d0d);--bg-secondary: light-dark(#f7fafc, #1a1a1a);--bg-card: light-dark(#ffffff, #1e1e1e);--text-primary: light-dark(#1a202c, #f0f0f0);--text-secondary: light-dark(#718096, #aaa);--border: light-dark(#e2e8f0, #333);--shadow: light-dark(rgba(0, 0, 0, 0.05), rgba(0, 0, 0, 0.5));--shadow-hover: light-dark(rgba(0, 0, 0, 0.1), rgba(0, 0, 0, 0.7));--gradient-start: #667eea;--gradient-end: #764ba2;--success-bg: light-dark(#c6f6d5, #1b4721);--success-border: light-dark(#48bb78, #3fb950);--success-text: light-dark(#22543d, #3fb950);--error-bg: light-dark(#fed7d7, #4a1a1a);--error-border: light-dark(#f56565, #f85149);--error-text: light-dark(#742a2a, #f85149)}*{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth;font-size:16px;scrollbar-gutter:stable}body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;line-height:1.6;color:var(--text-primary);background:var(--bg-primary);min-height:100vh}.grecaptcha-badge{visibility:hidden !important}.theme-toggle{position:absolute;top:1.5rem;right:1.5rem;width:48px;height:48px;border-radius:50%;backdrop-filter:blur(10px);background:light-dark(rgba(255, 255, 255, 0.9), rgba(30, 30, 30, 0.9));border:2px solid hsla(0,0%,100%,.3);cursor:pointer;z-index:1000;display:flex;align-items:center;justify-content:center;transition:all .3s ease;box-shadow:0 4px 12px rgba(0,0,0,.2)}.theme-toggle:hover{transform:scale(1.1);box-shadow:0 6px 16px rgba(0,0,0,.3);border-color:hsla(0,0%,100%,.6)}.theme-toggle:active{transform:scale(0.95)}.theme-toggle__icon{width:2.5rem;height:2.5rem;transition:transform .3s ease}.hero{position:relative;background:linear-gradient(135deg, var(--gradient-start) 0%, var(--gradient-end) 100%);color:#fff;padding:3rem 1rem;text-align:center;min-height:100vh;display:flex;align-items:center;justify-content:center}@media(min-width: 768px){.hero{padding:5rem 2rem}}@media(min-width: 1024px){.hero{padding:6rem 2rem}}.hero__container{max-width:1200px;margin:0 auto}.hero__title{font-size:2rem;font-weight:700;margin-bottom:1rem;line-height:1.2}@media(min-width: 768px){.hero__title{font-size:3rem}}@media(min-width: 1024px){.hero__title{font-size:3.5rem}}.hero__icon{display:block;width:3rem;height:3rem;margin:0 auto 1rem;animation:float 3s ease-in-out infinite}@media(min-width: 1024px){.hero__icon{width:4rem;height:4rem}}.hero__subtitle{font-size:1.125rem;margin-bottom:2rem;opacity:.95;max-width:600px;margin-left:auto;margin-right:auto}@media(min-width: 768px){.hero__subtitle{font-size:1.375rem}}@media(min-width: 1024px){.hero__subtitle{font-size:1.5rem}}.hero__cta{display:inline-block;background:#fff;color:var(--gradient-start);padding:1rem 2rem;border-radius:50px;text-decoration:none;font-weight:600;font-size:1.125rem;transition:all .3s ease;box-shadow:0 4px 15px rgba(0,0,0,.2)}.hero__cta:hover{transform:translateY(-3px);box-shadow:0 6px 20px rgba(0,0,0,.3)}.hero__cta i{margin-right:.5rem}@keyframes float{0%,100%{transform:translateY(0)}50%{transform:translateY(-10px)}}.demo{padding:3rem 1rem;background:var(--bg-card)}@media(min-width: 768px){.demo{padding:5rem 2rem}}@media(min-width: 1024px){.demo{padding:6rem 2rem}}.demo__container{max-width:700px;margin:0 auto}@media(min-width: 1024px){.demo__container{max-width:800px}}.demo__title{font-size:1.875rem;color:var(--text-primary);text-align:center;margin-bottom:1rem;display:flex;align-items:center;justify-content:center;gap:.5rem}@media(min-width: 768px){.demo__title{font-size:2.5rem}}.demo__icon{width:2rem;height:2rem}@media(min-width: 768px){.demo__icon{width:2.5rem;height:2.5rem}}.demo__description{text-align:center;color:var(--text-secondary);margin-bottom:2rem;font-size:1.125rem}.contact-form{background:var(--bg-secondary);padding:2rem 1.5rem;border-radius:12px;box-shadow:0 4px 12px var(--shadow)}@media(min-width: 768px){.contact-form{padding:3rem 2.5rem}}@media(min-width: 1024px){.contact-form{padding:3rem}}.contact-form__group{margin-bottom:1.5rem}.contact-form__label{display:block;margin-bottom:.5rem;font-weight:600;color:var(--text-primary);font-size:.9rem}.contact-form__input,.contact-form__textarea{width:100%;padding:.875rem 1rem;border:2px solid var(--border);border-radius:8px;font-size:1rem;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;transition:all .2s ease;background:var(--bg-card);color:var(--text-primary)}.contact-form__input::placeholder,.contact-form__textarea::placeholder{color:var(--text-secondary);opacity:.7}.contact-form__input:focus,.contact-form__textarea:focus{outline:none;border-color:var(--gradient-start);box-shadow:0 0 0 3px light-dark(rgba(102, 126, 234, 0.1), rgba(102, 126, 234, 0.2))}.contact-form__textarea{resize:vertical;min-height:120px}.contact-form__button{width:100%;background:linear-gradient(135deg, var(--gradient-start) 0%, var(--gradient-end) 100%);color:#fff;border:none;padding:1rem;border-radius:8px;font-size:1.125rem;font-weight:600;cursor:pointer;transition:all .3s ease;box-shadow:0 4px 12px rgba(102,126,234,.3)}.contact-form__button:hover:not(:disabled){transform:translateY(-2px);box-shadow:0 6px 16px rgba(102,126,234,.4)}.contact-form__button:disabled{opacity:.6;cursor:not-allowed;transform:none}.contact-form__button i{margin-right:.5rem}.form-status{margin-top:1.5rem;padding:1rem;border-radius:8px;text-align:center;font-weight:500;display:none}.form-status--success{display:block;background:var(--success-bg);border:2px solid var(--success-border);color:var(--success-text)}.form-status--error{display:block;background:var(--error-bg);border:2px solid var(--error-border);color:var(--error-text)}.form-status i{margin-right:.5rem}.features{padding:4rem 1rem;background:linear-gradient(180deg, var(--bg-secondary) 0%, var(--bg-primary) 100%)}@media(min-width: 768px){.features{padding:5rem 2rem}}@media(min-width: 1024px){.features{padding:6rem 2rem}}.features__container{max-width:1200px;margin:0 auto}.features__title{font-size:2rem;text-align:center;color:var(--text-primary);margin-bottom:3rem}@media(min-width: 768px){.features__title{font-size:2.5rem}}.features__grid{display:grid;grid-template-columns:1fr;gap:1.5rem}@media(min-width: 768px){.features__grid{grid-template-columns:repeat(2, 1fr);gap:2rem}}@media(min-width: 1024px){.features__grid{grid-template-columns:repeat(3, 1fr);gap:2.5rem}}.feature-card{background:var(--bg-card);border-radius:12px;padding:2rem 1.5rem;box-shadow:0 2px 8px var(--shadow);border:1px solid var(--border);text-align:center;transition:all .3s ease}.feature-card:hover{transform:translateY(-5px);box-shadow:0 8px 24px var(--shadow-hover);border-color:var(--gradient-start)}.feature-card__icon{width:64px;height:64px;margin:0 auto 1.5rem;background:linear-gradient(135deg, var(--gradient-start) 0%, var(--gradient-end) 100%);border-radius:16px;display:flex;align-items:center;justify-content:center;padding:1rem}.feature-card__icon img{width:100%;height:100%;object-fit:contain}.feature-card__title{font-size:1.25rem;color:var(--text-primary);margin-bottom:.75rem;font-weight:600}.feature-card__description{color:var(--text-secondary);font-size:.95rem;line-height:1.6}.tech-stack{padding:4rem 1rem;background:var(--bg-card)}@media(min-width: 768px){.tech-stack{padding:5rem 2rem}}@media(min-width: 1024px){.tech-stack{padding:6rem 2rem}}.tech-stack__container{max-width:1000px;margin:0 auto}.tech-stack__title{font-size:2rem;text-align:center;color:var(--text-primary);margin-bottom:3rem}@media(min-width: 768px){.tech-stack__title{font-size:2.5rem}}.tech-stack__grid{display:grid;grid-template-columns:repeat(2, 1fr);gap:1.5rem}@media(min-width: 768px){.tech-stack__grid{grid-template-columns:repeat(3, 1fr);gap:2rem}}@media(min-width: 1024px){.tech-stack__grid{grid-template-columns:repeat(6, 1fr);gap:2rem}}.tech-item{background:var(--bg-secondary);padding:2rem 1rem;border-radius:12px;text-align:center;transition:all .3s ease;border:2px solid var(--border)}.tech-item:hover{border-color:var(--gradient-start);transform:translateY(-3px);background:var(--bg-card)}.tech-item__icon{width:3rem;height:3rem;margin:0 auto 1rem;display:block}.tech-item__name{font-weight:600;color:var(--text-primary);font-size:1rem;display:block;margin-top:.5rem}.content-page{padding:3rem 1rem;min-height:60vh}@media(min-width: 768px){.content-page{padding:5rem 2rem}}@media(min-width: 1024px){.content-page{padding:6rem 2rem}}.content-page__container{max-width:900px;margin:0 auto}.content-page__title{font-size:clamp(2rem,5vw,3rem);font-weight:700;margin-bottom:2rem;background:linear-gradient(135deg, var(--gradient-start), var(--gradient-end));-webkit-background-clip:text;-webkit-text-fill-color:rgba(0,0,0,0);background-clip:text}.content-page__content{line-height:1.8;color:light-dark(#333, #ddd)}.content-page__content h2{font-size:1.75rem;font-weight:600;margin-top:3rem;margin-bottom:1.5rem;color:light-dark(#1a202c, #fff)}.content-page__content h3{font-size:1.35rem;font-weight:600;margin-top:2rem;margin-bottom:1rem;color:light-dark(#2d3748, #e2e8f0)}.content-page__content p{margin-bottom:1.5rem}.content-page__content ul,.content-page__content ol{margin-bottom:1.5rem;padding-left:2rem}.content-page__content ul li,.content-page__content ol li{margin-bottom:.5rem}.content-page__content a{color:var(--gradient-start);text-decoration:none;border-bottom:1px solid rgba(0,0,0,0);transition:all .2s ease}.content-page__content a:hover{border-bottom-color:var(--gradient-start)}.content-page__content strong{font-weight:600;color:light-dark(#1a202c, #fff)}.content-page__content code{background:light-dark(#f7fafc, #2d3748);padding:.125rem .375rem;border-radius:4px;font-family:"Courier New",monospace;font-size:.9em}.content-page__updated{margin-top:3rem;padding-top:1.5rem;border-top:1px solid light-dark(#e2e8f0, #2d3748);font-size:.875rem;color:light-dark(#718096, #a0aec0);font-style:italic}.content-page__link{display:inline-block;margin-top:1.5rem;padding:1rem 2rem;background:linear-gradient(135deg, var(--gradient-start), var(--gradient-end));color:#fff;text-decoration:none;border-radius:8px;font-weight:500;transition:all .2s ease}.content-page__link:hover{transform:translateY(-2px);box-shadow:0 10px 25px rgba(99,102,241,.3)}.footer{background:light-dark(#1a202c, #000000);color:#fff;padding:3rem 1rem;text-align:center}@media(min-width: 768px){.footer{padding:4rem 2rem}}@media(min-width: 1024px){.footer{padding:5rem 2rem}}.footer__container{max-width:1200px;margin:0 auto}.footer__text{margin-bottom:1.5rem;font-size:1rem;opacity:.9}.footer__icon{width:1.25rem;height:1.25rem;transition:all .2s ease}.footer__links{display:flex;flex-direction:column;gap:1rem;align-items:center}@media(min-width: 768px){.footer__links{flex-direction:row;justify-content:center;gap:2rem}}@media(min-width: 1024px){.footer__links{gap:3rem}}.footer__link{color:#fff;text-decoration:none;font-weight:500;transition:all .2s ease;display:inline-flex;align-items:center;gap:.5rem}.footer__link:hover{color:var(--gradient-start);transform:translateY(-2px)}.footer__nav{margin-top:2rem;padding-top:1.5rem;border-top:1px solid hsla(0,0%,100%,.1);display:flex;flex-wrap:wrap;justify-content:center;align-items:center;gap:1rem;font-size:.9rem}.footer__nav-link{color:hsla(0,0%,100%,.8);text-decoration:none;transition:all .2s ease}.footer__nav-link:hover{color:var(--gradient-start)}.footer__separator{color:hsla(0,0%,100%,.3);user-select:none}.footer__recaptcha{margin-top:1.5rem;font-size:.75rem;color:hsla(0,0%,100%,.6);text-align:center;line-height:1.5}.footer__recaptcha a{color:hsla(0,0%,100%,.8);text-decoration:none;transition:all .2s ease}.footer__recaptcha a:hover{color:var(--gradient-start);text-decoration:underline}