/* Базовые стили */
:root {
    --primary: #e63946;
    --primary-dark: #c82333;
    --secondary: #1e2b3a;
    --secondary-light: #2c3e50;
    --accent: #3498db;
    --text: #333;
    --text-light: #666;
    --background: #f8f9fa;
    --white: #ffffff;
    --shadow: 0 5px 20px rgba(0,0,0,0.1);
    --transition: all 0.3s ease;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Roboto', sans-serif;
    line-height: 1.6;
    color: var(--text);
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Типография */
h1, h2, h3, h4 {
    font-weight: 700;
    line-height: 1.2;
}

.section__title {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 50px;
    color: var(--secondary);
    position: relative;
    padding-bottom: 20px;
}

.section__title:after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: var(--primary);
    border-radius: 2px;
}

.section__title--left {
    text-align: left;
}

.section__title--left:after {
    left: 0;
    transform: none;
}

/* Кнопки */
.btn {
    padding: 12px 24px;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    font-size: 16px;
    font-weight: 500;
    transition: var(--transition);
    text-decoration: none;
    display: inline-block;
}

.btn--primary {
    background: var(--primary);
    color: var(--white);
}

.btn--primary:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow);
}

.btn--large {
    padding: 16px 32px;
    font-size: 18px;
    background: var(--primary);
    color: var(--white);
}

.btn--outline {
    background: transparent;
    border: 2px solid var(--white);
    color: var(--white);
    margin-left: 15px;
}

.btn--outline:hover {
    background: var(--white);
    color: var(--primary);
}

.btn--small {
    padding: 8px 16px;
    font-size: 14px;
}

.btn--full {
    width: 100%;
}

/* Шапка */
.header {
    background: rgba(255,255,255,0.95);
    backdrop-filter: blur(10px);
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
}

.header__inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 0;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
}

.logo__icon {
    font-size: 2rem;
    color: var(--primary);
}

.logo__text {
    font-weight: 700;
    font-size: 1.5rem;
}

.logo__accent {
    color: var(--primary);
}

.nav {
    display: flex;
    gap: 30px;
}

.nav__link {
    text-decoration: none;
    color: var(--text);
    font-weight: 500;
    transition: var(--transition);
    position: relative;
}

.nav__link:after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary);
    transition: var(--transition);
}

.nav__link:hover {
    color: var(--primary);
}

.nav__link:hover:after {
    width: 100%;
}

.header__contacts {
    display: flex;
    align-items: center;
    gap: 20px;
}

.phone {
    font-weight: 700;
    color: var(--secondary);
    text-decoration: none;
    font-size: 1.1rem;
}

/* Герой секция */
.hero {
    background: linear-gradient(135deg, var(--secondary) 0%, var(--secondary-light) 100%);
    color: var(--white);
    padding: 180px 0 100px;
    position: relative;
    overflow: hidden;
}

.hero:before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    bottom: 0;
    left: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100" opacity="0.1"><path d="M20 20 L80 20 L80 80 L20 80 Z" fill="none" stroke="white" stroke-width="2"/><circle cx="50" cy="50" r="15" fill="none" stroke="white" stroke-width="2"/></svg>') repeat;
    opacity: 0.1;
}

.hero__content {
    position: relative;
    z-index: 1;
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.hero__title {
    font-size: 3.5rem;
    margin-bottom: 20px;
    animation: fadeInUp 1s ease;
}

.hero__subtitle {
    font-size: 1.2rem;
    margin-bottom: 40px;
    opacity: 0.9;
    animation: fadeInUp 1s ease 0.2s both;
}

.hero__features {
    display: flex;
    justify-content: center;
    gap: 40px;
    margin-bottom: 40px;
    animation: fadeInUp 1s ease 0.4s both;
}

.feature {
    text-align: center;
}

.feature__icon {
    font-size: 2rem;
    color: var(--primary);
    margin-bottom: 10px;
}

.feature__number {
    display: block;
    font-size: 1.8rem;
    font-weight: 700;
}

.feature__text {
    font-size: 0.9rem;
    opacity: 0.8;
}

.hero__buttons {
    animation: fadeInUp 1s ease 0.6s both;
}

/* Анимации */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Услуги */
.services {
    padding: 100px 0;
    background: var(--background);
}

.services__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

.service__card {
    background: var(--white);
    padding: 30px;
    border-radius: 10px;
    box-shadow: var(--shadow);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.service__card:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 30px rgba(230, 57, 70, 0.2);
}

.service__card--featured {
    border: 2px solid var(--primary);
}

.service__icon {
    font-size: 3rem;
    color: var(--primary);
    margin-bottom: 20px;
}

.service__title {
    font-size: 1.5rem;
    margin-bottom: 15px;
    color: var(--secondary);
}

.service__list {
    list-style: none;
    margin-bottom: 20px;
}

.service__list li {
    padding: 5px 0;
    padding-left: 25px;
    position: relative;
}

.service__list li:before {
    content: "✓";
    color: var(--primary);
    position: absolute;
    left: 0;
    font-weight: bold;
}

.service__footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 20px;
    padding-top: 20px;
    border-top: 1px solid #eee;
}

.service__price {
    font-weight: 700;
    color: var(--primary);
    font-size: 1.2rem;
}

/* О компании */
.about {
    padding: 100px 0;
}

.about__inner {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
}

.about__text {
    font-size: 1.1rem;
    color: var(--text-light);
    margin-bottom: 30px;
}

.about__features {
    margin-bottom: 40px;
}

.about__feature {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 20px;
}

.about__feature-icon {
    color: var(--primary);
    font-size: 1.5rem;
}

.about__feature h4 {
    color: var(--secondary);
    margin-bottom: 5px;
}

.about__feature p {
    color: var(--text-light);
}

.stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    text-align: center;
}

.stat__number {
    display: block;
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary);
}

.stat__label {
    color: var(--text-light);
}

.about__image {
    position: relative;
}

.about__img {
    width: 100%;
    border-radius: 10px;
    box-shadow: var(--shadow);
}

.experience-badge {
    position: absolute;
    bottom: -20px;
    right: -20px;
    background: var(--primary);
    color: var(--white);
    padding: 20px;
    border-radius: 50%;
    width: 120px;
    height: 120px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
    100% {
        transform: scale(1);
    }
}

.experience-badge__years {
    font-size: 2rem;
    font-weight: 700;
    line-height: 1;
}

.experience-badge__text {
    font-size: 0.8rem;
}

/* Проекты */
.projects {
    padding: 100px 0;
    background: var(--background);
}

.projects__filter {
    display: flex;
    justify-content: center;
    gap: 15px;
    margin-bottom: 40px;
}

.filter__btn {
    padding: 10px 20px;
    border: none;
    background: var(--white);
    border-radius: 5px;
    cursor: pointer;
    transition: var(--transition);
    font-weight: 500;
}

.filter__btn:hover,
.filter__btn.active {
    background: var(--primary);
    color: var(--white);
}

.projects__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.project__card {
    position: relative;
    overflow: hidden;
    border-radius: 10px;
    cursor: pointer;
}

.project__image {
    width: 100%;
    height: 300px;
    object-fit: cover;
    transition: var(--transition);
}

.project__overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(transparent, rgba(0,0,0,0.8));
    color: var(--white);
    padding: 20px;
    transform: translateY(100%);
    transition: var(--transition);
}

.project__card:hover .project__overlay {
    transform: translateY(0);
}

.project__card:hover .project__image {
    transform: scale(1.1);
}

/* Преимущества */
.advantages {
    padding: 80px 0;
}

.advantages__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.advantage__item {
    text-align: center;
    padding: 30px;
    border-radius: 10px;
    transition: var(--transition);
}

.advantage__item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow);
}

.advantage__icon {
    font-size: 3rem;
    color: var(--primary);
    margin-bottom: 20px;
}

.advantage__item h4 {
    color: var(--secondary);
    margin-bottom: 10px;
}

.advantage__item p {
    color: var(--text-light);
}

/* Контакты */
.contacts {
    padding: 100px 0;
    background: var(--background);
}

.contacts__inner {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
}

.contact__item {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 25px;
}

.contact__item i {
    font-size: 1.5rem;
    color: var(--primary);
    width: 40px;
}

.contact__item strong {
    display: block;
    color: var(--secondary);
    margin-bottom: 5px;
}

.contact__item a {
    color: var(--text);
    text-decoration: none;
    transition: var(--transition);
}

.contact__item a:hover {
    color: var(--primary);
}

.social-links {
    display: flex;
    gap: 15px;
    margin-top: 30px;
}

.social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: var(--white);
    border-radius: 50%;
    color: var(--primary);
    transition: var(--transition);
    text-decoration: none;
}

.social-link:hover {
    background: var(--primary);
    color: var(--white);
    transform: translateY(-3px);
}

.contacts__form {
    background: var(--white);
    padding: 40px;
    border-radius: 10px;
    box-shadow: var(--shadow);
}

.contacts__form h3 {
    color: var(--secondary);
    margin-bottom: 10px;
}

.contacts__form p {
    color: var(--text-light);
    margin-bottom: 30px;
}

.form input,
.form select,
.form textarea {
    width: 100%;
    padding: 12px;
    margin-bottom: 15px;
    border: 1px solid #ddd;
    border-radius: 5px;
    font-size: 16px;
    transition: var(--transition);
}

.form input:focus,
.form select:focus,
.form textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 2px rgba(230, 57, 70, 0.1);
}

/* Футер */
.footer {
    background: var(--secondary);
    color: var(--white);
    padding: 30px 0;
}

.footer__inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer__copyright i {
    color: var(--primary);
    margin-right: 10px;
}

.footer__links {
    display: flex;
    gap: 20px;
}

.footer__links a {
    color: var(--white);
    text-decoration: none;
    opacity: 0.8;
    transition: var(--transition);
}

.footer__links a:hover {
    opacity: 1;
    color: var(--primary);
}

/* Модальное окно */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.5);
    z-index: 2000;
    align-items: center;
    justify-content: center;
}

.modal__content {
    background: var(--white);
    padding: 40px;
    border-radius: 10px;
    max-width: 500px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    position: relative;
    animation: slideIn 0.3s ease;
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateY(-50px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.modal__close {
    position: absolute;
    top: 20px;
    right: 20px;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--text-light);
    transition: var(--transition);
}

.modal__close:hover {
    color: var(--primary);
}

.modal h2 {
    color: var(--secondary);
    margin-bottom: 30px;
}

/* Адаптивность */
@media (max-width: 992px) {
    .hero__title {
        font-size: 2.5rem;
    }
    
    .about__inner,
    .contacts__inner {
        grid-template-columns: 1fr;
    }
    
    .stats {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .header__inner {
        flex-direction: column;
        gap: 15px;
    }
    
    .nav {
        gap: 15px;
        flex-wrap: wrap;
        justify-content: center;
    }
    
    .hero__features {
        flex-direction: column;
        gap: 20px;
    }
    
    .hero__buttons {
        display: flex;
        flex-direction: column;
        gap: 15px;
    }
    
    .btn--outline {
        margin-left: 0;
    }
    
    .section__title {
        font-size: 2rem;
    }
    
    .projects__filter {
        flex-wrap: wrap;
    }
    
    .footer__inner {
        flex-direction: column;
        gap: 15px;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .services__grid {
        grid-template-columns: 1fr;
    }
    
    .stats {
        grid-template-columns: 1fr;
    }
}