:root{--primary-color:#388e3c;--secondary-color:#f44336;--accent-color:#ffca28;--base-color:#212121;--text-color:#fff;--tertiary-color:#0288d1;--card-bg:hsla(0,0%,100%,.06);--shadow:0 4px 12px rgba(0,0,0,.15);--transition:all 0.3s ease-out}*{box-sizing:border-box;margin:0;padding:0}body{background-color:var(--base-color);color:var(--text-color);font-family:Poppins,-apple-system,BlinkMacSystemFont,sans-serif;line-height:1.7;overflow-x:hidden}a{color:inherit;text-decoration:none}.header{backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);background:var(--primary-color);left:0;padding:1.25rem 2rem;position:fixed;top:0;width:100%;z-index:1000}.nav{align-items:center;display:flex;justify-content:space-between;margin:0 auto;max-width:1240px}.nav__logo{font-size:1.6rem;font-weight:700}.nav__links{display:none;list-style:none}.nav__link{font-weight:500;padding:.6rem 1.2rem;transition:var(--transition)}.nav__link:hover{color:var(--accent-color)}.nav__toggle{background:none;border:none;color:var(--text-color);cursor:pointer;font-size:1.4rem;transition:var(--transition)}.nav__toggle:hover{color:var(--secondary-color)}.hero{align-items:center;background:var(--primary-color);display:flex;justify-content:center;min-height:100vh;padding:3rem 2rem;position:relative;text-align:center;z-index:1}.hero__content{max-width:720px}.hero__title{font-size:3.2rem;font-weight:700;margin-bottom:1.25rem}.hero__subtitle{font-size:1.25rem;margin:0 auto 2.5rem;max-width:600px;opacity:.9}.hero__image{border-radius:12px;height:auto;margin-top:2rem;max-width:600px;width:100%}.btn,.hero__image{box-shadow:var(--shadow)}.btn{align-items:center;background:var(--secondary-color);border-radius:50px;color:var(--text-color);display:inline-flex;font-size:1rem;font-weight:600;padding:.9rem 2.2rem;transition:var(--transition)}.btn:hover{transform:translateY(-2px)}.btn--primary,.btn:hover{background:var(--accent-color);color:var(--base-color)}.btn--primary:hover{background:var(--secondary-color);color:var(--text-color)}.btn--secondary{background:transparent;border:2px solid var(--text-color);color:var(--text-color)}.btn--secondary:hover{background:var(--text-color);color:var(--base-color)}.features{background:var(--base-color);padding:5rem 2rem;text-align:center}.features__title{font-size:2.6rem;font-weight:700;margin-bottom:3.5rem}.features__grid{display:grid;gap:2rem;margin:0 auto;max-width:1240px}.feature-card{backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);background:var(--card-bg);border-radius:16px;box-shadow:var(--shadow);padding:2rem;transition:var(--transition)}.feature-card:hover{transform:translateY(-8px)}.feature-card__icon{color:var(--secondary-color);font-size:2.5rem;margin-bottom:1.25rem}.feature-card__title{font-size:1.6rem;font-weight:600;margin-bottom:1rem}.feature-card__text{font-size:1rem;opacity:.85}.about{background:var(--base-color);padding:5rem 2rem;text-align:center}.about__title{font-size:2.6rem;font-weight:700;margin-bottom:2rem}.about__text{font-size:1.1rem;margin:0 auto;max-width:720px;opacity:.85}.contact{background:var(--base-color);padding:5rem 2rem;text-align:center}.contact__title{font-size:2.6rem;font-weight:700;margin-bottom:1.5rem}.contact__text{font-size:1.1rem;margin-bottom:2.5rem;opacity:.85}.contact__form{display:flex;flex-direction:column;gap:1.25rem;margin:0 auto;max-width:640px}.contact__form input,.contact__form textarea{background:var(--card-bg);border:2px solid var(--accent-color);border-radius:10px;color:var(--text-color);font-size:1rem;padding:1rem;transition:var(--transition)}.contact__form input:focus,.contact__form textarea:focus{border-color:var(--tertiary-color);outline:none}.contact__form textarea{min-height:120px;resize:vertical}.cta{background:var(--primary-color);padding:5rem 2rem;text-align:center}.cta__title{font-size:2.6rem;font-weight:700;margin-bottom:1.5rem}.cta__text{font-size:1.1rem;margin-bottom:2.5rem;opacity:.85}.cta__buttons{display:flex;gap:1.25rem;justify-content:center}.footer{background:var(--base-color);padding:3rem 2rem;text-align:center}.footer__socials{display:flex;gap:1.25rem;justify-content:center;margin-top:1.5rem}.footer__social{font-size:1.6rem;opacity:.7;transition:var(--transition)}.footer__social:hover{color:var(--accent-color);opacity:1}@media (min-width:768px){.nav__links{display:flex}.nav__toggle{display:none}.hero{flex-direction:row;gap:2.5rem;padding:4rem}.hero__content,.hero__image{flex:1}.hero__title{font-size:4rem}.features__grid{grid-template-columns:repeat(3,1fr)}.cta__buttons{flex-direction:row}}@media (max-width:767px){.nav__links.active{background:var(--primary-color);box-shadow:var(--shadow);display:flex;flex-direction:column;left:0;padding:1.5rem;position:absolute;right:0;top:100%}.hero__title{font-size:2.2rem}.about__title,.contact__title,.cta__title,.features__title{font-size:2rem}.cta__buttons{flex-direction:column}}