/* ============================================
   RESET & BASE STYLES
   ============================================ */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Arial', sans-serif;
    line-height: 1.6;
    color: #333;
}

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

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

.header__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 0;
}

.logo {
    text-decoration: none;
    color: #333;
    font-weight: bold;
    display: flex;
    align-items: center;
    gap: 10px;
}

.logo__name {
    font-size: 1.5rem;
    display: block;
}

.logo__profession {
    font-size: 0.9rem;
    opacity: 0.7;
}

.logo__img {
    height: 40px; 
    width: auto;
    display: block;
}

.nav {
    display: flex;
    gap: 2rem;
}

.nav__link {
    text-decoration: none;
    color: #333;
    transition: color 0.3s;
    position: relative;
}

.nav__link:hover {
    color: #007bff;
}

.nav__link--active {
    color: #007bff;
    font-weight: bold;
}

.nav__link--active::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 100%;
    height: 2px;
    background: #007bff;
}

.phone {
    text-decoration: none;
    color: #333;
    font-weight: bold;
}

.burger {
    display: none;
    flex-direction: column;
    background: none;
    border: none;
    cursor: pointer;
    padding: 5px;
}

.burger span {
    width: 25px;
    height: 3px;
    background: #333;
    margin: 3px 0;
    transition: 0.3s;
}

/* ============================================
   HERO SECTION
   ============================================ */
.hero {
    position: relative;
    height: 100vh;
    display: flex;
    align-items: center;
    color: white;
    overflow: hidden;
}

.hero__video {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
}

.hero__video video {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.hero__overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.6);
}

.hero__content {
    max-width: 600px;
    z-index: 1;
}

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

.hero__subtitle {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

.hero__buttons {
    display: flex;
    gap: 1rem;
}

/* ============================================
   BUTTONS
   ============================================ */
.btn {
    display: inline-block;
    padding: 12px 30px;
    text-decoration: none;
    border-radius: 5px;
    font-weight: bold;
    transition: all 0.3s;
    border: none;
    cursor: pointer;
    text-align: center;
}

.btn--primary {
    background: #007bff;
    color: white;
}

.btn--primary:hover {
    background: #0056b3;
    transform: translateY(-2px);
}

.btn--secondary {
    background: transparent;
    color: white;
    border: 2px solid white;
}

.btn--secondary:hover {
    background: white;
    color: #333;
}

/* ============================================
   COMMON SECTION STYLES
   ============================================ */
section {
    padding: 80px 0;
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: #333;
}

/* ============================================
   EXPERTISE SECTION
   ============================================ */
.expertise__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2.5rem;
}

.expertise-card {
    background: white;
    padding: 2.5rem;
    border-radius: 15px;
    text-align: center;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
    transition: all 0.4s ease;
    border: 1px solid rgba(0, 123, 255, 0.1);
    position: relative;
    overflow: hidden;
}

.expertise-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.12);
}

.expertise-card::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, #007bff, #00bfff);
}

.expertise-card__icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 1rem;
    background: #f8f9fa;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 2px solid #007bff;
}

.expertise-card__icon img {
    width: 40px;
    height: 40px;
}

.expertise-card__title {
    font-size: 1.3rem;
    margin-bottom: 1rem;
    color: #333;
}

.expertise-card__text {
    color: #666;
    line-height: 1.6;
}

/* ============================================
   FEATURES SECTION (Почему выбирают меня)
   ============================================ */
.features {
    padding: 100px 0;
    background: 
        linear-gradient(rgba(255, 255, 255, 0.75), rgba(255, 255, 255, 0.80)),
        url('../img/bg-features.jpg') center/cover no-repeat;
    position: relative;
    overflow: hidden;
}

.features::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, #007bff, transparent);
}

/* 4 карточки в ряд на десктопе */
.features__grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
}

.feature-card {
    background: white;
    padding: 2rem;
    border-radius: 15px;
    text-align: center;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
    transition: all 0.4s ease;
    position: relative;
    overflow: hidden;
    border: 1px solid rgba(0, 123, 255, 0.1);
    min-height: 320px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, #007bff, #00bfff);
    transform: translateY(-4px);
    transition: transform 0.4s ease;
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.12);
}

.feature-card:hover::before {
    transform: translateY(0);
}

/* ФИКС: Исправляем селектор для иконок */
.feature-card__icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 1.5rem;
    background: linear-gradient(135deg, #007bff15, #00bfff15);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    flex-shrink: 0;
}

/* ФИКС: Правильный селектор для img внутри feature-card__icon */
.feature-card__icon img {
    width: 48px;
    height: 48px;
    object-fit: contain;
}

.feature-card__icon::after {
    content: '';
    position: absolute;
    width: 90px;
    height: 90px;
    border: 2px dashed #007bff;
    border-radius: 50%;
    animation: spin 20s linear infinite;
    opacity: 0.3;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.feature-card__title {
    font-size: 1.2rem;
    margin-bottom: 1rem;
    color: #333;
    font-weight: 600;
    position: relative;
    display: inline-block;
}

.feature-card__title::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 50%;
    transform: translateX(-50%);
    width: 40px;
    height: 3px;
    background: #007bff;
    border-radius: 2px;
}

.feature-card__text {
    color: #666;
    line-height: 1.6;
    font-size: 0.95rem;
    flex-grow: 1;
}

/* ============================================
   PROCESS SECTION
   ============================================ */
.process__steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.process-step {
    text-align: center;
    padding: 2rem;
}

.process-step__number {
    font-size: 3rem;
    font-weight: bold;
    color: #007bff;
    margin-bottom: 1rem;
    opacity: 0.3;
}

.process-step__title {
    font-size: 1.2rem;
    margin-bottom: 1rem;
    color: #333;
}

.process-step__text {
    color: #666;
}

/* ============================================
   CONSULTATION SECTION
   ============================================ */
.consultation {
    padding: 100px 0;
    background: 
        linear-gradient(rgba(0, 123, 255, 0.85), rgba(0, 91, 187, 0.9)),
        url('../img/bg-consultation.jpg') center/cover no-repeat;
    text-align: center;
    color: white;
    position: relative;
}

.consultation .section-title,
.consultation__text {
    color: white;
    position: relative;
    z-index: 2;
}

.consultation .section-title {
    margin-bottom: 1.5rem;
}

.consultation__text {
    font-size: 1.2rem;
    margin-bottom: 2.5rem;
    opacity: 0.95;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.consult-form {
    max-width: 500px;
    margin: 0 auto;
    position: relative;
    z-index: 2;
}

.consult-form .form-group input,
.consult-form .form-group select,
.consult-form .form-group textarea {
    background: rgba(255, 255, 255, 0.95);
    border: 1px solid rgba(255, 255, 255, 0.3);
    color: #333;
}

.consult-form .form-group input:focus,
.consult-form .form-group select:focus,
.consult-form .form-group textarea:focus {
    background: white;
    border-color: white;
    box-shadow: 0 0 0 3px rgba(255, 255, 255, 0.3);
}

.consultation .btn--primary {
    background: #ff6b35;
    border-color: #ff6b35;
    color: white;
    font-weight: 600;
    transition: all 0.3s;
}

.consultation .btn--primary:hover {
    background: #ff5722;
    border-color: #ff5722;
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
    background: #2c3e50;
    color: white;
    padding: 50px 0 20px;
    position: relative;
}

.footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, #007bff, transparent);
}

.footer__content {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 40px;
    flex-wrap: wrap;
    gap: 2rem;
}

.footer__info {
    flex: 1;
    min-width: 300px;
}

.footer__info .logo {
    margin-bottom: 1rem;
    display: inline-block;
}

.footer__info .logo__name {
    font-size: 1.8rem;
    color: white;
}

.footer__info .logo__profession {
    color: #95a5a6;
}

.footer__info p {
    color: #bdc3c7;
    line-height: 1.6;
    max-width: 400px;
}

.footer__contacts {
    text-align: right;
    flex: 0 0 auto;
}

.footer__phone {
    color: white;
    text-decoration: none;
    font-size: 1.3rem;
    font-weight: bold;
    display: block;
    margin-bottom: 1rem;
    transition: color 0.3s;
}

.footer__phone:hover {
    color: #007bff;
}

.social-links {
    display: flex;
    gap: 1rem;
    justify-content: flex-end;
}

.social-link {
    color: #bdc3c7;
    text-decoration: none;
    transition: all 0.3s;
    padding: 8px 12px;
    border-radius: 5px;
    background: rgba(255, 255, 255, 0.05);
}

.social-link:hover {
    color: white;
    background: rgba(255, 255, 255, 0.1);
    transform: translateY(-2px);
}

.footer__bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    position: relative;
}

.developer-btn {
    display: inline-block;
    padding: 10px 20px;
    background: linear-gradient(135deg, #3498db, #2980b9);
    color: white;
    text-decoration: none;
    border-radius: 25px;
    font-size: 0.8rem;
    font-weight: 500;
    transition: all 0.3s;
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.developer-btn:hover {
    background: linear-gradient(135deg, #2980b9, #1c5a7a);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
    border-color: rgba(255, 255, 255, 0.2);
}

.footer .logo__img {
    filter: brightness(0) invert(1); 
}

/* ============================================
   PAGE HERO (для внутренних страниц)
   ============================================ */
.page-hero {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 120px 0 80px;
    text-align: center;
}

.page-hero__title {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.page-hero__subtitle {
    font-size: 1.2rem;
    opacity: 0.9;
}

/* ============================================
   SERVICES DETAIL
   ============================================ */
.services-detail {
    padding: 80px 0;
}

.service-detail {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    margin-bottom: 6rem;
}

.service-detail--reverse {
    direction: rtl;
}

.service-detail--reverse > * {
    direction: ltr;
}

.service-detail__content h2 {
    font-size: 2rem;
    margin-bottom: 1.5rem;
    color: #333;
}

.service-detail__content p {
    margin-bottom: 1.5rem;
    color: #666;
    line-height: 1.7;
}

.service-features {
    background: #f8f9fa;
    padding: 2rem;
    border-radius: 10px;
    margin-top: 2rem;
}

.service-features h3 {
    margin-bottom: 1rem;
    color: #333;
}

.service-features ul {
    list-style: none;
}

.service-features li {
    padding: 0.5rem 0;
    position: relative;
    padding-left: 1.5rem;
}

.service-features li:before {
    content: "✓";
    position: absolute;
    left: 0;
    color: #007bff;
    font-weight: bold;
}

.service-detail__image img {
    width: 100%;
    border-radius: 10px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

/* Этапы работы */
.work-stages {
    margin: 100px 0 80px;
    text-align: center;
}
.work-stages__intro {
    max-width: 800px;
    margin: 20px auto 60px;
    color: #555;
    font-size: 1.1rem;
    line-height: 1.6;
}
.stages-timeline {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px 30px;
    counter-reset: stage-number;
}
.stage {
    position: relative;
    padding: 25px;
    background: #f9f9f9;
    border-radius: 12px;
    border-left: 4px solid #f0b600; /* Акцентный цвет, как в кнопках */
    text-align: left;
}
.stage__number {
    position: absolute;
    top: -20px;
    left: -15px;
    width: 40px;
    height: 40px;
    background: #f0b600;
    color: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    font-size: 1.2rem;
}
.stage h3 {
    margin-top: 10px;
    margin-bottom: 15px;
    color: #222;
}
.stage p {
    color: #666;
    line-height: 1.5;
    margin: 0;
}

/* ============================================
   CTA SECTION
   ============================================ */
.cta-section {
    background: #007bff;
    color: white;
    text-align: center;
    padding: 60px 0;
}

.cta-content h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.cta-content p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

/* ============================================
   PORTFOLIO
   ============================================ */
.portfolio-filters {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 3rem;
    flex-wrap: wrap;
}

.filter-btn {
    padding: 10px 20px;
    border: 2px solid #007bff;
    background: transparent;
    color: #007bff;
    border-radius: 25px;
    cursor: pointer;
    transition: all 0.3s;
    font-size: 0.9rem;
}

.filter-btn.active,
.filter-btn:hover {
    background: #007bff;
    color: white;
}

.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.portfolio-item {
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    position: relative;
}

.portfolio-item__image {
    position: relative;
    overflow: hidden;
}

.portfolio-item__image img {
    width: 100%;
    height: 300px;
    object-fit: cover;
    transition: transform 0.3s;
}

.portfolio-item:hover .portfolio-item__image img {
    transform: scale(1.1);
}

.portfolio-item__overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 123, 255, 0.9);
    color: white;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: 2rem;
    opacity: 0;
    transition: opacity 0.3s;
    text-align: center;
}

.portfolio-item:hover .portfolio-item__overlay {
    opacity: 1;
}

.portfolio-item__overlay h3 {
    margin-bottom: 1rem;
    font-size: 1.3rem;
}

.portfolio-item__overlay p {
    margin-bottom: 1.5rem;
    opacity: 0.9;
}

/* ============================================
   PORTFOLIO DETAILS
   ============================================ */
.portfolio-details {
    padding: 80px 0;
    background: #f8f9fa;
}

.project-detail {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    margin-bottom: 4rem;
}

.project-detail--reverse {
    direction: rtl;
}

.project-detail--reverse > * {
    direction: ltr;
}

.project-detail__content h3 {
    font-size: 1.8rem;
    margin-bottom: 1.5rem;
    color: #333;
}

.project-detail__content p {
    margin-bottom: 1.5rem;
    color: #666;
    line-height: 1.7;
}

.project-detail__content ul {
    list-style: none;
}

.project-detail__content li {
    padding: 0.5rem 0;
    position: relative;
    padding-left: 1.5rem;
}

.project-detail__content li:before {
    content: "•";
    position: absolute;
    left: 0;
    color: #007bff;
    font-weight: bold;
}

.project-detail__gallery {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.project-detail__gallery img {
    width: 100%;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

/* ============================================
   BLOG
   ============================================ */
.blog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 3rem;
    margin-bottom: 4rem;
}

.blog-card {
    background: white;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s;
}

.blog-card:hover {
    transform: translateY(-5px);
}

.blog-card__image img {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.blog-card__content {
    padding: 2rem;
}

.blog-card__category {
    display: inline-block;
    background: #007bff;
    color: white;
    padding: 5px 15px;
    border-radius: 15px;
    font-size: 0.8rem;
    margin-bottom: 1rem;
}

.blog-card__title {
    font-size: 1.3rem;
    margin-bottom: 1rem;
    color: #333;
}

.blog-card__excerpt {
    color: #666;
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.blog-card__meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.9rem;
    gap: 1rem;
}

.blog-card__date {
    color: #999;
}

.blog-card__read-time {
    color: #999;
    font-size: 0.9rem;
}

.blog-card__link {
    color: #007bff;
    text-decoration: none;
    font-weight: bold;
}

.blog-pagination {
    display: flex;
    justify-content: center;
    gap: 0.5rem;
}

.pagination-btn {
    padding: 10px 15px;
    border: 1px solid #ddd;
    background: white;
    color: #333;
    text-decoration: none;
    border-radius: 5px;
    transition: all 0.3s;
}

.pagination-btn.active,
.pagination-btn:hover {
    background: #007bff;
    color: white;
    border-color: #007bff;
}

.blog-subscribe {
    background: #f8f9fa;
    padding: 60px 0;
    text-align: center;
}

.subscribe-content h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    color: #333;
}

.subscribe-content p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    color: #666;
}

.subscribe-form {
    display: flex;
    max-width: 400px;
    margin: 0 auto;
    gap: 1rem;
}

.subscribe-form input {
    flex: 1;
    padding: 12px;
    border: 1px solid #ddd;
    border-radius: 5px;
    font-family: inherit;
}

.subscribe-note {
    font-size: 0.9rem;
    color: #666;
    margin-top: 1rem;
}

/* ============================================
   BLOG FILTERS
   ============================================ */
.blog-filters {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 3rem;
    flex-wrap: wrap;
}

.blog-filter-btn {
    padding: 10px 20px;
    border: 2px solid #007bff;
    background: transparent;
    color: #007bff;
    border-radius: 25px;
    cursor: pointer;
    transition: all 0.3s;
    font-size: 0.9rem;
}

.blog-filter-btn.active,
.blog-filter-btn:hover {
    background: #007bff;
    color: white;
}

/* ============================================
   CONTACTS
   ============================================ */
.contacts__grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    padding: 80px 0;
}

.contact-item {
    margin-bottom: 3rem;
}

.contact-item h3 {
    color: #333;
    margin-bottom: 1rem;
    font-size: 1.2rem;
}

.contact-link {
    display: block;
    font-size: 1.3rem;
    color: #007bff;
    text-decoration: none;
    margin-bottom: 0.5rem;
    font-weight: bold;
}

.contact-item p {
    color: #666;
}

.social-links--large {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.social-links--large .social-link {
    padding: 10px 20px;
    border: 2px solid #007bff;
    border-radius: 5px;
    color: #007bff;
    text-decoration: none;
    transition: all 0.3s;
}

.social-links--large .social-link:hover {
    background: #007bff;
    color: white;
}

.contact-form {
    background: #f8f9fa;
    padding: 2rem;
    border-radius: 10px;
}

.contact-form h2 {
    margin-bottom: 1rem;
    color: #333;
}

.contact-form > p {
    margin-bottom: 2rem;
    color: #666;
}

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

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    color: #333;
    font-weight: bold;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px;
    border: 1px solid #ddd;
    border-radius: 5px;
    font-size: 1rem;
    font-family: inherit;
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

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

/* ============================================
   MAP SECTION
   ============================================ */
.map-section {
    padding: 60px 0;
    background: #f8f9fa;
}

.map-placeholder {
    height: 400px;
    background: #e9ecef;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

.map-info {
    text-align: center;
    color: #666;
}

.map-info h3 {
    margin-bottom: 1rem;
    color: #333;
}

/* ============================================
   ADDITIONAL SERVICES
   ============================================ */
.additional-services {
    margin-top: 6rem;
    padding-top: 4rem;
    border-top: 1px solid #eee;
}

.additional-services h2 {
    text-align: center;
    margin-bottom: 3rem;
    color: #333;
}

.additional-services__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.additional-service {
    background: #f8f9fa;
    padding: 2rem;
    border-radius: 10px;
    text-align: center;
}

.additional-service h3 {
    color: #333;
    margin-bottom: 1rem;
}

.additional-service p {
    color: #666;
    line-height: 1.6;
}

/* ============================================
   FAQ SECTION
   ============================================ */
.faq-section {
    padding: 80px 0;
}

.faq-list {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    margin-bottom: 2rem;
    padding-bottom: 2rem;
    border-bottom: 1px solid #eee;
}

.faq-item h3 {
    color: #333;
    margin-bottom: 1rem;
    font-size: 1.2rem;
}

.faq-item p {
    color: #666;
    line-height: 1.6;
}

/* ============================================
   RESPONSIVE STYLES
   ============================================ */
@media (max-width: 1200px) {
    .features__grid {
        /* На средних экранах - 2 колонки */
        grid-template-columns: repeat(2, 1fr);
        gap: 1.5rem;
    }
}

@media (max-width: 768px) {
    .nav {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background: white;
        flex-direction: column;
        padding: 2rem;
        box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    }

    .nav.active {
        display: flex;
    }

    .burger {
        display: flex;
    }

    .burger.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }

    .burger.active span:nth-child(2) {
        opacity: 0;
    }

    .burger.active span:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -6px);
    }

    .service-detail,
    .contacts__grid,
    .project-detail {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .service-detail--reverse,
    .project-detail--reverse {
        direction: ltr;
    }
    
    .features__grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .portfolio-grid,
    .blog-grid,
    .expertise__grid {
        grid-template-columns: 1fr;
    }
    
    .subscribe-form {
        flex-direction: column;
    }
    
    .page-hero__title {
        font-size: 2rem;
    }
    
    .section-title {
        font-size: 2rem;
    }

    .hero__title {
        font-size: 2rem;
    }

    .hero__buttons {
        flex-direction: column;
    }

    .footer__content {
        flex-direction: column;
        text-align: center;
        gap: 2rem;
    }

    .project-detail__gallery {
        grid-template-columns: 1fr;
    }

    .social-links--large {
        justify-content: center;
    }

    .additional-services__grid {
        grid-template-columns: 1fr;
    }

    .process__steps {
        grid-template-columns: 1fr;
    }

    .portfolio-filters,
    .blog-filters {
        gap: 0.5rem;
    }

    .filter-btn,
    .blog-filter-btn {
        padding: 8px 16px;
        font-size: 0.8rem;
    }
    
    .expertise-card,
    .feature-card {
        padding: 2rem;
    }
    
    .feature-card__icon {
        width: 70px;
        height: 70px;
        margin-bottom: 1.2rem;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }

    .hero__title {
        font-size: 1.8rem;
    }

    .page-hero__title {
        font-size: 1.8rem;
    }

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

    .btn {
        padding: 10px 20px;
        font-size: 0.9rem;
    }

    .service-detail__content h2,
    .project-detail__content h3 {
        font-size: 1.5rem;
    }
    
    .expertise-card,
    .feature-card {
        padding: 1.5rem;
    }
    
    .feature-card__title {
        font-size: 1.2rem;
    }
    
    .feature-card__text {
        font-size: 0.95rem;
    }
    
    .footer {
        padding: 40px 0 15px;
    }
    
    .footer__content {
        gap: 1.5rem;
        margin-bottom: 30px;
    }
    
    .developer-btn {
        padding: 8px 16px;
        font-size: 0.85rem;
    }
}