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var(--border-color);border-radius:5px;font-size:1rem}.contact__textarea{resize:vertical;height:150px}.contact__success{display:none;color:var(--success-color);font-size:1.2rem;margin-top:1rem}.callback-modal{display:none;position:fixed;top:0;left:0;width:100%;height:100%;background:#00000080;-webkit-backdrop-filter:blur(5px);backdrop-filter:blur(5px);z-index:2000;justify-content:center;align-items:center}.callback-modal--open{display:flex}.callback-modal__content{background:var(--secondary-color);padding:2rem;border-radius:10px;max-width:400px;width:90%;box-shadow:0 4px 6px #0000001a;position:relative}.callback-modal__close{position:absolute;top:10px;right:10px;font-size:1.5rem;color:var(--text-color);cursor:pointer;background:none;border:none}.callback-modal__title{font-family:Roboto Slab,serif;color:var(--primary-color);margin-bottom:1rem;font-size:1.5rem}.callback-modal__form-group{margin-bottom:1rem}.callback-modal__input{width:100%;padding:.8rem;border:1px solid var(--border-color);border-radius:5px;font-size:1rem;box-sizing:border-box}.callback-modal__success{display:none;color:var(--success-color);font-size:1.2rem;margin-top:1rem}@keyframes fadeIn{0%{opacity:0;transform:translateY(-10px)}to{opacity:1;transform:translateY(0)}}.contact__message,.callback-modal__message{padding:1rem;border-radius:5px;text-align:center}.contact__message.success,.callback-modal__message.success{background:#28a7451a}.contact__message.error,.callback-modal__message.error{background:#ff00001a}.footer{text-align:center;padding:2rem 0;color:var(--text-color);border-top:1px solid var(--border-color);background:var(--light-bg);position:relative;z-index:1}.footer__links{display:flex;justify-content:center;gap:1rem;margin-bottom:1rem}.footer__link{color:var(--text-color);text-decoration:none;transition:color 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ease-in-out;display:none}.nav--open{transform:translate(0);display:flex}.nav__link{margin:.5rem auto;font-size:1.1rem}.nav-toggle{display:block}.hero__title{font-size:2rem}.hero__advantages{gap:1rem}.services__grid,.pricing__table,.blog__grid{grid-template-columns:1fr}.faq__item--open .faq__answer{max-height:300px}.why-us__desktop{display:none}.why-us__mobile{display:block;width:90%;margin:0 auto}.why-us__table{box-shadow:none;margin:0 auto}.footer__links{flex-direction:column;align-items:center;gap:.8rem}.footer__link{font-size:1rem;padding:.5rem;display:block;text-align:center}.footer__social{gap:1.5rem}.footer__copyright,.footer p{margin-top:1rem}.scroll-top,.messenger-btn{width:45px;height:45px;font-size:1.3rem}}