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

body {
    font-family: 'Inter', sans-serif;
    line-height: 1.6;
    color: #FFFFFF;
    background: #1C2526;
}

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

/* Header */
header {
    background: #000000;
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 1000;
}

header h1 {
    display: inline-block;
    font-size: 1.8rem;
    font-weight: 700;
    color: #FF6200;
}

nav {
    display: inline-block;
    vertical-align: top;
    margin-left: 2rem;
}

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

nav ul li {
    margin-left: 30px;
}

nav ul li a {
    color: #FFFFFF;
    text-decoration: none;
    font-weight: 600;
    transition: color 0.3s ease;
}

nav ul li a:hover {
    color: #00A3FF;
}

/* Hamburger Menu */
.menu-toggle {
    display: none;
    background: none;
    border: none;
    color: #FFFFFF;
    font-size: 1.5rem;
    cursor: pointer;
    padding: 0.5rem;
}

.hamburger {
    display: inline-block;
    width: 25px;
    height: 3px;
    background: #FFFFFF;
    position: relative;
}

.hamburger::before,
.hamburger::after {
    content: '';
    position: absolute;
    width: 25px;
    height: 3px;
    background: #FFFFFF;
    transition: transform 0.3s ease;
}

.hamburger::before {
    top: -8px;
}

.hamburger::after {
    top: 8px;
}

.menu-toggle.active .hamburger {
    background: transparent;
}

.menu-toggle.active .hamburger::before {
    transform: rotate(45deg) translate(5px, 5px);
}

.menu-toggle.active .hamburger::after {
    transform: rotate(-45deg) translate(7px, -7px);
}

nav ul {
    transition: all 0.3s ease;
}

nav ul.hidden {
    display: none;
}

@media (max-width: 768px) {
    header {
        padding: 0.5rem 0;
        height: auto;
    }

    header h1 {
        font-size: 1.2rem;
        margin: 0;
        padding: 0.25rem 0;
    }

    .menu-toggle {
        display: block;
        position: absolute;
        right: 20px;
        top: 50%;
        transform: translateY(-50%);
    }

    nav {
        margin-left: 0;
    }

    nav ul {
        display: flex;
        flex-direction: column;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background: #000000;
        padding: 1rem 0;
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
    }

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

    nav ul li {
        margin: 0.5rem 0;
        text-align: center;
    }

    nav ul li a {
        font-size: 1rem;
    }
}

/* Hero Section with Background Image */
#hero {
    position: relative;
    text-align: center;
    padding: 6rem 0;
    background: url("../images/hero-background.webp") center/cover no-repeat;
    color: #FFFFFF;
    overflow: hidden;
}

#hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.6); /* затемнение */
    z-index: 1;
}

#hero .container {
    position: relative;
    z-index: 2;
}

#hero h1 {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    color: #FFFFFF;
    animation: fadeIn 1s ease-in-out;
}

#hero p {
    font-size: 1.3rem;
    color: #CCCCCC;
    max-width: 700px;
    margin: 0 auto 2rem;
}

#hero .btn {
    padding: 12px 24px;
    background: #FF6200;
    color: #FFFFFF;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    transition: background 0.3s ease, transform 0.2s ease;
}

#hero .btn:hover {
    background: #E65500;
    transform: translateY(-2px);
}

@keyframes fadeIn {
    0% { opacity: 0; transform: translateY(20px); }
    100% { opacity: 1; transform: translateY(0); }
}

/* Services Section */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    margin-top: 2.5rem;
}

.service-item {
    background: #2A3A3C;
    padding: 2rem;
    border-radius: 12px;
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.service-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.3);
}

.service-item h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: #FF6200;
}

.service-item p {
    color: #CCCCCC;
}

/* Portfolio Section */
.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    margin-top: 2.5rem;
}

.portfolio-item {
    position: relative;
    overflow: hidden;
    border-radius: 12px;
    cursor: pointer;
}

.portfolio-item img {
    width: 100%;
    height: auto;
    display: block;
    transition: transform 0.3s ease;
}

.portfolio-item:hover img {
    transform: scale(1.05);
}

.portfolio-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.6);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
}

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

.portfolio-overlay p {
    color: #FFFFFF;
    font-size: 1.2rem;
    font-weight: 600;
    text-align: center;
    padding: 10px;
}

@media (max-width: 768px) {
    .portfolio-item .portfolio-overlay {
        opacity: 0;
    }
    .portfolio-item.show-overlay .portfolio-overlay {
        opacity: 1;
    }
}

/* Why Choose Us Section */
#why-choose-us {
    padding: 4rem 0;
    text-align: center;
}

.section-subtitle {
    font-size: 1.2rem;
    color: #CCCCCC;
    max-width: 800px;
    margin: 0 auto 2rem;
    text-align: center;
}

.why-choose-list {
    display: flex;
    flex-wrap: wrap;
    gap: 30px;
    justify-content: center;
}

.why-choose-item {
    flex: 1 1 45%;
    background: #2A3A3C;
    padding: 1.5rem;
    border-radius: 8px;
    margin-bottom: 20px;
    position: relative;
}

.why-choose-item::after {
    content: '';
    display: block;
    height: 2px;
    background: #FF6200;
    width: 50px;
    margin: 1rem auto 0;
}

.why-choose-item h3 {
    font-size: 1.4rem;
    margin-bottom: 1rem;
    color: #FF6200;
}

.why-choose-item p {
    font-size: 1rem;
    color: #CCCCCC;
    text-align: left;
}

.social-link {
    color: #FF6200;
    text-decoration: none;
    font-weight: 600;
}

.social-link:hover {
    color: #00A3FF;
}

/* Contact Section */
#contact {
    padding: 4rem 0;
}

#contact form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    max-width: 600px;
    margin: 2rem auto;
}

#contact input, #contact textarea {
    padding: 12px;
    border: 1px solid #444;
    border-radius: 8px;
    background: #2A3A3C;
    color: #FFFFFF;
    font-family: 'Inter', sans-serif;
}

#contact textarea {
    height: 180px;
}

.privacy-consent {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.9rem;
    color: #CCCCCC;
    flex-wrap: nowrap;
}

.privacy-consent input {
    width: 16px;
    height: 16px;
}

#contact .btn {
    padding: 12px 24px;
    background: #FF6200;
    color: #FFFFFF;
    border-radius: 8px;
    border: none;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.3s ease, transform 0.2s ease;
}

#contact .btn:hover {
    background: #E65500;
    transform: translateY(-2px);
}

.alt-form-text {
    text-align: center;
    font-size: 1rem;
    color: #CCCCCC;
    margin: 1.5rem 0;
}

#contact p {
    text-align: center;
    color: #CCCCCC;
}

#contact p a {
    color: #FF6200;
    text-decoration: none;
}

#contact p a:hover {
    color: #00A3FF;
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    justify-content: center;
    align-items: center;
    z-index: 1000;
}

.modal-content {
    background: #2A3A3C;
    padding: 2rem;
    border-radius: 12px;
    text-align: center;
    max-width: 400px;
    width: 90%;
}

.modal-content p {
    color: #FFFFFF;
    margin-bottom: 1.5rem;
    font-size: 1.1rem;
}

.modal-close {
    padding: 10px 20px;
    background: #FF6200;
    color: #FFFFFF;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: background 0.3s ease;
}

.modal-close:hover {
    background: #E65500;
}

/* General Section Headings */
section h2 {
    font-size: 2.5rem;
    font-weight: 700;
    text-align: center;
    margin: 4rem 0 2rem;
    color: #FFFFFF;
}


/* Footer */
footer {
    background: #000000;
    color: #CCCCCC;
    text-align: center;
    padding: 1.5rem 0;
    margin-top: 3rem;
}

footer a {
    color: #FF6200;
    text-decoration: none;
}

footer a:hover {
    color: #00A3FF;
}

/* Responsive Design */
@media (max-width: 768px) {
    header h1 {
        text-align: center;
        display: block;
        margin-bottom: 0;
    }

    nav ul {
        justify-content: center;
        flex-wrap: wrap;
    }

    nav ul li {
        margin: 10px;
    }

    #hero {
        padding: 4rem 0;
    }

    #hero h1 {
        font-size: 2.2rem;
    }

    #hero p {
        font-size: 1rem;
    }

    .services-grid, .portfolio-grid, .why-choose-list {
        grid-template-columns: 1fr;
    }

    .why-choose-item {
        flex: 1 1 100%;
    }

    .btn {
        padding: 10px 20px;
    }

    .privacy-consent {
        font-size: 0.8rem;
    }
}

@media (min-width: 769px) and (max-width: 1024px) {
    .portfolio-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

.portfolio-caption {
    position: absolute;
    bottom: 0;
    width: 100%;
    background: rgba(28, 37, 38, 0.85);
    color: #fff;
    padding: 1rem;
    opacity: 0;
    transition: opacity 0.4s ease;
    pointer-events: none;
}

.portfolio-item.active .portfolio-caption {
    opacity: 1;
}

.portfolio-caption h4 {
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
    color: #FF6200;
}

.portfolio-caption p {
    font-size: 0.9rem;
    line-height: 1.4;
    color: #CCCCCC;
}

#why-choose-us h2,
#contact h2 {
    margin-top: 0;
}