:root {
    --primary: #2c3e50;
    --secondary: #3498db;
    --accent: #e74c3c;
    --light: #ecf0f1;
    --dark: #2c3e50;
    --gray: #95a5a6;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}
body {
    line-height: 1.6;
    color: var(--dark);
    background-color: #f9f9f9;
}

.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 15px;
}

/* Header */
header {
    background-color: var(--primary);
    color: white;
    padding: 1rem 0;
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    transition: background-color 0.3s;
}

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

.logo {
    font-size: 1.8rem;
    font-weight: 700;
    color: white;
    text-decoration: none;
}

nav ul {
    display: flex;
    list-style: none;
}

nav ul li {
    margin-left: 1.5rem;
}

nav ul li a {
    color: white;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s;
}

nav ul li a:hover {
    color: var(--secondary);
}

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    color: white;
    font-size: 1.5rem;
    cursor: pointer;
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    color: white;
    padding: 80px 0 80px;
    text-align: center;
}

.hero h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
    line-height: 1.2;
}

.hero p {
    font-size: 1.2rem;
    max-width: 700px;
    margin: 0 auto 2rem;
}

.btn {
    display: inline-block;
    background-color: var(--accent);
    color: white;
    padding: 12px 30px;
    border-radius: 5px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s;
    border: none;
    cursor: pointer;
}

.btn:hover {
    background-color: #c0392b;
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

/* Services Section */
.services {
    padding: 100px 0;
    background-color: white;
}

.section-title {
    text-align: center;
    font-size: 3rem;
    margin-bottom: 2rem;
}

.section-title h2 {
    font-size: 3rem;
    font-weight: 800;
}


.section-title p {
    color: var(--gray);
    max-width: 700px;
    margin: 0 auto;
}

/* About Section */
.about {
    padding: 100px 0;
    background-color: var(--light);
}

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

.about-text h2 {
    font-size: 2.5rem;
    color: var(--primary);
    margin-bottom: 1.5rem;
}

.about-text p {
    margin-bottom: 1.5rem;
    color: var(--dark);
}

.about-features {
    margin: 2rem 0;
    list-style: none;
}

.about-features li {
    margin-bottom: 0.8rem;
    display: flex;
    align-items: center;
}

.about-features i {
    color: var(--secondary);
    margin-right: 10px;
}

.about-image {
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.about-image img {
    width: 100%;
    height: auto;
    display: block;
}

/* Contact Section */
.contacts-page {
    padding: 100px 0;
    background-color: white;
}

.contacts-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    margin-bottom: 50px;
}

.contact-info-card {
    background: white;
    padding: 25px;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
}

.contact-info-card h3 {
    color: var(--primary);
    margin-bottom: 1.5rem;
    font-size: 1.8rem;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    margin-bottom: 1rem;
    gap: 15px;
    padding-bottom: 1rem;
    border-bottom: 1px solid #eee;
}

.contact-item:last-child {
    border-bottom: none;
    padding-bottom: 0;
    margin-bottom: 0;
}

.contact-item i {
    font-size: 1.5rem;
    color: var(--secondary);
    margin-top: 5px;
    min-width: 25px;
}

.contact-item h4 {
    color: var(--primary);
    margin-bottom: 0.5rem;
    font-size: 1.1rem;
}

.contact-item p {
    color: var(--dark);
}

.contact-item a {
    color: var(--dark);
    text-decoration: none;
}

.contact-item a:hover {
    color: var(--secondary);
    text-decoration: underline;
}

.contact-form-section {
    background: white;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
}

.contact-form-section h3 {
    color: var(--primary);
    margin-bottom: 1rem;
    font-size: 1.8rem;
}

.contact-form-section > p {
    color: var(--gray);
    margin-bottom: 2rem;
}

.contact-form .form-group {
    margin-bottom: 1.5rem;
}

.contact-form input,
.contact-form select,
.contact-form textarea {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid #ddd;
    border-radius: 5px;
    font-size: 1rem;
    transition: border-color 0.3s;
}

.contact-form input:focus,
.contact-form select:focus,
.contact-form textarea:focus {
    outline: none;
    border-color: var(--secondary);
}

.btn-large {
    padding: 15px 40px;
    font-size: 1.1rem;
    width: 100%;
}

.map-section {
    margin-top: 50px;
}

.map-section h3 {
    color: var(--primary);
    margin-bottom: 1.5rem;
    font-size: 1.8rem;
}

/* Footer */
footer {
    background-color: var(--primary);
    color: white;
    padding: 50px 0 20px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-column h3 {
    font-size: 1.2rem;
    margin-bottom: 1.5rem;
    position: relative;
    padding-bottom: 10px;
}

.footer-column h3::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: 0;
    width: 40px;
    height: 2px;
    background-color: var(--secondary);
}

.footer-column ul {
    list-style: none;
}

.footer-column ul li {
    margin-bottom: 10px;
}

.footer-column ul li a {
    color: #bdc3c7;
    text-decoration: none;
    transition: color 0.3s;
}

.footer-column ul li a:hover {
    color: var(--secondary);
}

.footer-column i {
    margin-right: 8px;
    color: var(--secondary);
}

.working-hours {
    margin-top: 1.5rem;
    padding-top: 1.5rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.working-hours h4 {
    color: var(--secondary);
    margin-bottom: 0.5rem;
    font-size: 1rem;
}

.working-hours p {
    margin-bottom: 0.3rem;
    font-size: 0.9rem;
    color: #bdc3c7;
}

.copyright {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: #bdc3c7;
    font-size: 0.9rem;
}

/* === Service Tiles === */
.tiles-services { 
    padding: 100px 0; 
    background:#fff; 
}

.tiles-grid{
    display:grid; 
    gap: 28px;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    margin-bottom: 0;
}

.tile{
    display:flex; 
    flex-direction:column; 
    justify-content:space-between;
    min-height: 280px; 
    padding: 28px; 
    border: 1px solid #e7e7e7;
    border-radius: 8px; 
    background: #fff;
    box-shadow: 0 2px 10px rgba(0,0,0,.03);
    transition: transform .2s ease, box-shadow .2s ease;
    margin-bottom: 0;
}

.tile--dark{ 
    background:var(--primary); 
    color:#fff; 
    border-color:transparent; 
}

.tile:hover{ 
    transform:translateY(-4px); 
    box-shadow:0 10px 24px rgba(0,0,0,.08); 
}

.tile h3{ 
    font-size:1.35rem; 
    line-height:1.25; 
    color:var(--primary); 
    margin:0 0 10px; 
}

.tile--dark h3{ 
    color:#fff; 
}

.tile p{ 
    color:#5f6d7a; 
    margin:0 0 16px; 
}

.price {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--accent);
    margin-bottom: 1rem;
}

.tile-cta{
    align-self:flex-start; 
    background:#e74c3c; 
    color:#fff; 
    border:0;
    padding:10px 18px; 
    border-radius:6px; 
    font-weight:700; 
    cursor:pointer;
    transition: all 0.3s;
}

.tile-cta:hover{ 
    background:#c0392b; 
    transform: translateY(-2px);
}

/* Active nav link */
nav ul li a.active {
    color: var(--secondary);
}



/* Responsive Styles */
@media (max-width: 992px) {
    .about-content,
    .contacts-content {
        grid-template-columns: 1fr;
    }

    .about-image {
        order: -1;
    }
}

@media (max-width: 768px) {
    .hero h1 {
        font-size: 2.5rem;
    }

    .mobile-menu-btn {
        display: block;
    }

    nav ul {
        position: fixed;
        top: 70px;
        left: 0;
        width: 100%;
        background-color: var(--primary);
        flex-direction: column;
        align-items: center;
        padding: 20px 0;
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: all 0.3s;
        box-shadow: 0 5px 10px rgba(0, 0, 0, 0.1);
    }

    nav ul.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }

    nav ul li {
        margin: 10px 0;
    }
}

@media (max-width: 576px) {
    .hero h1 {
        font-size: 2rem;
    }

    .section-title h2 {
        font-size: 2rem;
    }

    .tile {
        margin-bottom: 30px;
    }
}

/* Fix for fixed header overlap */
section, main { 
    scroll-margin-top: 90px; 
}
body { 
    padding-top: 80px; 
} /* header height compensation */

/* Стили для пре-футера */
.pre-footer {
    background: #2c3e50;
    color: #fff;
    padding: 40px 0;
    border-top: 1px solid #34495e;
}

.b-foot-inner {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 30px;
}

.b-foot-col {
    flex: 1;
    min-width: 200px;
}

.b-foot-col_main {
    flex: 2;
}

.b-foot-headline {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 20px;
    color: #ecf0f1;
}

.b-foot-title {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 10px;
    color: #bdc3c7;
}

.b-foot-list {
    list-style: none;
    padding: 0;
    margin: 0 0 20px 0;
}

.b-foot-list li {
    margin-bottom: 8px;
}

.b-foot-list a {
    color: #ecf0f1;
    text-decoration: none;
    transition: color 0.3s ease;
}

.b-foot-list a:hover {
    color: #3498db;
    text-decoration: underline;
}

/* Адаптивность */
@media (max-width: 768px) {
    .b-foot-inner {
        flex-direction: column;
        gap: 20px;
    }
    
    .b-foot-col {
        min-width: 100%;
    }
    .logo-text {
        font-size: 0.9rem;
        color: white;
        text-decoration: none;
    }
}

@media (max-width: 480px) {
    /* Герой секция */
    .hero {
        padding: 40px 0 60px;
    }
    
    .hero h1 {
        font-size: 1.8rem;
        line-height: 1.3;
        margin-bottom: 1rem;
    }
    
    .hero p {
        font-size: 1rem;
        padding: 0 10px;
    }
    .logo-text {
        font-size: 0.8rem;
        color: white;
        text-decoration: none;
    }
    

    /* Секции */
    .services,
    .about,
    .contacts-page,
    .tiles-services {
        padding: 60px 0;
    }

    .section-title {
        font-size: 2rem;
        margin-bottom: 1.5rem;
    }

    /* Табы услуг */
    .tiles-grid {
        grid-template-columns: 1fr;
        gap: 20px;
        padding: 0 10px;
    }

    .tile {
        min-height: auto;
        padding: 20px;
        margin-bottom: 0;
    }

    .tile h3 {
        font-size: 1.2rem;
    }

    .price {
        font-size: 1.5rem;
    }

    /* О нас */
    .about-content {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .about-text h2 {
        font-size: 1.8rem;
    }

    .about-features li {
        font-size: 0.9rem;
    }

    /* Контакты */
    .contact-info-card {
        padding: 20px 15px;
    }

    .contact-item {
        flex-direction: column;
        align-items: flex-start;
        gap: 10px;
        padding-bottom: 1.5rem;
    }

    .contact-item i {
        font-size: 1.2rem;
    }

    .contact-item h4 {
        font-size: 1rem;
    }

    /* Карта */
    .map-section iframe {
        height: 300px;
    }

    /* Футер */
    .footer-content {
        grid-template-columns: 1fr;
        gap: 30px;
        text-align: center;
    }

    .footer-column h3::after {
        left: 50%;
        transform: translateX(-50%);
    }

    .working-hours {
        margin-top: 1rem;
        padding-top: 1rem;
    }
}

@media (max-width: 360px) {
    /* Для очень маленьких экранов */
    .container {
        width: 95%;
        padding: 0 10px;
    }

    .hero h1 {
        font-size: 1.6rem;
    }

    .tile {
        padding: 15px;
    }

    .tile-cta {
        width: 100%;
        text-align: center;
    }

    .contact-info-card {
        padding: 15px 10px;
    }
    

    /* Улучшаем читаемость текста */
    body {
        font-size: 14px;
        line-height: 1.5;
    }

    .section-title {
        font-size: 1.8rem;
    }
}

/* Улучшения для планшетов */
@media (min-width: 481px) and (max-width: 768px) {
    .hero h1 {
        font-size: 2.2rem;
    }

    .tiles-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }

    .about-content {
        gap: 40px;
    }

    .contact-item {
        flex-direction: row;
        align-items: flex-start;
    }
}

/* Улучшения для landscape ориентации */
@media (max-height: 500px) and (orientation: landscape) {
    .hero {
        padding: 60px 0;
        min-height: auto;
    }

    header {
        padding: 0.5rem 0;
    }

    body {
        padding-top: 60px;
    }

    section, main {
        scroll-margin-top: 60px;
    }
}

/* Улучшения касаний для мобильных */
@media (hover: none) and (pointer: coarse) {
    .tile-cta:hover,
    .btn:hover {
        transform: none;
        box-shadow: none;
    }

    .tile:hover {
        transform: none;
        box-shadow: 0 2px 10px rgba(0,0,0,.03);
    }

    /* Увеличиваем область клика для мобильных */
    nav ul li a,
    .tile-cta,
    .btn {
        min-height: 44px;
        display: flex;
        align-items: center;
        justify-content: center;
    }

    .contact-item a {
        min-height: 44px;
        display: flex;
        align-items: center;
    }
}

/* Предотвращаем масштабирование при фокусе на iOS */
@media (max-width: 768px) {
    input,
    select,
    textarea {
        font-size: 16px !important;
    }
}

/* Улучшаем видимость состояния фокуса для доступности */
@media (max-width: 768px) {
    .tile-cta:focus,
    .btn:focus,
    nav ul li a:focus {
        outline: 2px solid var(--secondary);
        outline-offset: 2px;
    }
}