:root{--color-primary: #ffd600;--color-primary-light: #ffea80;--color-primary-dark: #e6c200;--color-text: #222;--color-text-light: #6c757d;--color-bg: #fff;--color-bg-light: #f8f9fa;--color-border: #d1d5db;--color-border-light: #e9ecef}body{font-family:Montserrat,Arial,sans-serif;background:#fff;color:#222;margin:0;padding:0;line-height:1.6}.header{background:#222;color:#fff;position:relative}.header__container{display:flex;align-items:center;justify-content:space-between;padding:20px 0}@media (max-width: 768px){.header__container{padding:15px 0;flex-wrap:wrap;gap:15px}}.header__nav{position:relative}.header__logo{display:flex;align-items:center;background:var(--color-primary);padding:8px 16px;border-radius:4px 0;font-weight:700;font-size:1.5em;color:#222;text-decoration:none}.header__logo-text{font-weight:700;color:#222}.header__logo-sub{font-size:.8em;color:#222;margin-left:4px}.header__phone{background:var(--color-primary);padding:12px 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350px;min-width:300px}.main__title{font-size:2.5em;font-weight:700}.main__subtitle{font-size:1.2em}.main__hero-calc{flex:1 1 350px;min-width:300px}.main__about{margin-top:60px}.why-choose{background:#f8f9fa;padding:60px 0}.why-choose__container{max-width:1200px;margin:0 auto;padding:0 20px}.why-choose__title{text-align:center;font-size:2.2em;color:#222;margin-bottom:50px;font-weight:600}.why-choose__grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:40px}.why-choose__item{background:#fff;padding:30px;border-radius:8px;box-shadow:0 2px 10px #0000000d;border-left:4px solid var(--color-primary);transition:transform .2s,box-shadow .2s}.why-choose__item:hover{transform:translateY(-2px);box-shadow:0 4px 20px #0000001a}.why-choose__icon{font-size:2em;color:#6c757d;margin-bottom:15px;display:block}.why-choose__item-title{font-size:1.3em;font-weight:600;margin-bottom:15px;color:#222}.why-choose__item-text{color:#6c757d;line-height:1.6;font-size:.95em}.contact-form{background:linear-gradient(135deg,#f8f9fa,#e9ecef);border-radius:12px;padding:40px;box-shadow:0 4px 20px #00000014}@media (max-width: 768px){.contact-form{padding:25px;margin:0 10px}}.contact-form__title{font-size:1.8em;font-weight:600;margin-bottom:25px;color:#222;text-align:center}@media (max-width: 768px){.contact-form__title{font-size:1.5em;margin-bottom:20px}}.contact-form__field{margin-bottom:20px}@media (max-width: 768px){.contact-form__field{margin-bottom:15px}}.contact-form__input,.contact-form__textarea{width:100%;padding:15px;border:2px solid #e9ecef;border-radius:8px;font-size:1em;font-family:inherit;background:#fff;transition:border-color .2s,box-shadow .2s;box-sizing:border-box}.contact-form__input:focus,.contact-form__textarea:focus{outline:none;border-color:var(--color-primary);box-shadow:0 0 0 3px #ffd6001a}.contact-form__input::placeholder,.contact-form__textarea::placeholder{color:#6c757d}@media (max-width: 768px){.contact-form__input,.contact-form__textarea{padding:12px;font-size:16px}}.contact-form__textarea{min-height:120px;resize:vertical}.contact-form__button{background:var(--color-primary);color:#222;border:none;padding:15px 35px;font-size:1.1em;font-weight:600;border-radius:8px;cursor:pointer;transition:all .2s;width:100%}.contact-form__button:hover{background:var(--color-primary-light);transform:translateY(-1px);box-shadow:0 4px 15px #ffd6004d}@media (max-width: 768px){.contact-form__button{padding:12px 25px;font-size:1em}}.contact-info{background:#fff;padding:30px;border-radius:12px;box-shadow:0 2px 15px #0000000d}@media (max-width: 768px){.contact-info{padding:20px;margin:20px 10px 0}}.contact-info__title{font-size:1.5em;font-weight:600;margin-bottom:20px;color:#222}@media (max-width: 768px){.contact-info__title{font-size:1.3em;margin-bottom:15px}}.contact-info__item{margin-bottom:15px;color:#6c757d}.contact-info__item:last-child{margin-bottom:0}.contact-info__item b{color:#222;font-weight:600}.contact-info__item a{color:var(--color-primary);text-decoration:none}.contact-info__item a:hover{text-decoration:underline}.footer{background:#222;color:#fff;padding:30px 0;margin-top:40px}.footer__container{text-align:center}