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

:root {
    --primary-color: #f97316;
    --primary-dark: #ea580c;
    --secondary-color: #64748b;
    --accent-color: #f59e0b;
    --text-dark: #1e293b;
    --text-light: #64748b;
    --bg-light: #f8fafc;
    --bg-white: #ffffff;
    --border-color: #e2e8f0;
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --gradient: linear-gradient(135deg, #f97316 0%, #ea580c 100%);
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    background-color: var(--bg-white);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
}

.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    z-index: 1000;
}

.nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.nav-brand h1 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
    letter-spacing: -0.025em;
}

.phone-btn {
    background: var(--primary-color);
    color: white;
    text-decoration: none;
    padding: 0.5rem 1rem;
    border-radius: 0.5rem;
    font-weight: 500;
    transition: background-color 0.2s ease;
}

.phone-btn:hover {
    background: var(--primary-dark);
}

.hero {
    padding: 8rem 0 4rem;
    background: var(--gradient);
    color: white;
    overflow: hidden;
}

.hero .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
}

.hero-title {
    font-size: 3rem;
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: 1rem;
}

.hero-subtitle {
    font-size: 1.25rem;
    opacity: 0.9;
    margin-bottom: 2rem;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.75rem 1.5rem;
    border-radius: 0.5rem;
    font-weight: 500;
    text-decoration: none;
    transition: all 0.2s ease;
    border: none;
    cursor: pointer;
    font-size: 1rem;
}

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

.btn-primary:hover {
    background: #d97706;
    transform: translateY(-1px);
}

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

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

.hero-image {
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
}

.hero-image img {
    max-width: 450px;
    width: 100%;
    height: auto;
    border-radius: 1rem;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.3);
    object-fit: cover;
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    font-weight: 600;
    margin-bottom: 3rem;
    color: var(--text-dark);
}

.services {
    padding: 5rem 0;
    background: var(--bg-light);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.service-card {
    background: white;
    padding: 2rem;
    border-radius: 1rem;
    box-shadow: var(--shadow-md);
    text-align: center;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

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

.service-image {
    margin-bottom: 1.5rem;
    height: 120px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.service-image img {
    max-width: 100%;
    max-height: 100%;
    width: auto;
    height: auto;
}

.service-icon {
    font-size: 4rem;
    margin-bottom: 1rem;
    display: block;
}

.service-card h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--text-dark);
}

.service-card p {
    color: var(--text-light);
    line-height: 1.6;
}

.tech-specs {
    padding: 5rem 0;
    background: var(--bg-light);
}

.tech-content {
    max-width: 900px;
    margin: 0 auto;
}

.tech-header {
    text-align: center;
    margin-bottom: 3rem;
    padding: 2rem;
    background: white;
    border-radius: 1rem;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.08);
}

.tech-header h3 {
    font-size: 2rem;
    margin-bottom: 1rem;
    color: var(--text-dark);
}

.tech-header p {
    color: var(--text-secondary);
    line-height: 1.7;
    font-size: 1.05rem;
    margin-bottom: 0.75rem;
}

.tech-header .tech-feature {
    margin-top: 1.25rem;
    padding-top: 1.25rem;
    border-top: 1px solid rgba(0, 0, 0, 0.1);
}

.tech-specs-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
}

.spec-card {
    background: white;
    padding: 2rem;
    border-radius: 1rem;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.08);
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border-top: 4px solid var(--primary-color);
}

.spec-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.12);
}

.spec-label {
    color: var(--text-secondary);
    font-size: 0.95rem;
    margin-bottom: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-weight: 700;
}

.spec-value {
    color: var(--primary-color);
    font-size: 1.5rem;
    font-weight: 700;
}

.advantages {
    padding: 5rem 0;
}

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

.advantage-item {
    text-align: center;
    padding: 1rem;
}

.advantage-number {
    display: inline-block;
    width: 60px;
    height: 60px;
    background: var(--primary-color);
    color: white;
    font-size: 1.5rem;
    font-weight: 600;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1rem;
}

.advantage-item h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--text-dark);
}

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

.reviews-cta {
    padding: 4rem 0;
    background: var(--gradient);
    color: white;
}

.reviews-cta-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 2rem;
}

.reviews-cta-text h2 {
    font-size: 2rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
}

.reviews-cta-text p {
    font-size: 1.125rem;
    opacity: 0.95;
    max-width: 600px;
    margin: 0 auto;
}

.reviews-cta .btn {
    background: white;
    color: var(--primary-color);
    font-weight: 600;
    padding: 1rem 2rem;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.reviews-cta .btn:hover {
    background: var(--bg-light);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.2);
}

.gallery {
    padding: 3rem 0 5rem;
    background: white;
}

.gallery-swiper {
    padding: 2rem 0 3rem;
}

.swiper-slide {
    height: auto;
}

.swiper-slide img {
    width: 100%;
    height: 550px;
    object-fit: contain;
    border-radius: 1rem;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

.swiper-slide img:hover {
    transform: scale(1.02);
}

.swiper-button-next,
.swiper-button-prev {
    color: var(--primary-color);
    background: white;
    width: 45px !important;
    height: 45px !important;
    border-radius: 50%;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
}

.swiper-button-next:after,
.swiper-button-prev:after {
    font-size: 14px !important;
}

.swiper-pagination-bullet {
    background: var(--text-secondary);
    opacity: 0.5;
}

.swiper-pagination-bullet-active {
    background: var(--primary-color);
    opacity: 1;
}

.contact {
    padding: 5rem 0;
    background: var(--bg-light);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: start;
}

.contact-info h2 {
    font-size: 2rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--text-dark);
}

.contact-info p {
    color: var(--text-light);
    margin-bottom: 2rem;
    font-size: 1.125rem;
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.contact-item {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.contact-label {
    font-weight: 500;
    color: var(--text-light);
    font-size: 0.875rem;
}

.contact-item a,
.contact-item span:last-child {
    font-size: 1.125rem;
    font-weight: 500;
    color: var(--text-dark);
    text-decoration: none;
}

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

.contact-form {
    background: white;
    padding: 2rem;
    border-radius: 1rem;
    box-shadow: var(--shadow-md);
}

.contact-form input,
.contact-form textarea {
    width: 100%;
    padding: 0.75rem;
    border: 2px solid var(--border-color);
    border-radius: 0.5rem;
    font-size: 1rem;
    margin-bottom: 1rem;
    transition: border-color 0.2s ease;
    font-family: inherit;
}

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

.contact-form textarea {
    resize: vertical;
    min-height: 100px;
}

.contact-form .btn {
    width: 100%;
}

.footer {
    background: var(--text-dark);
    color: white;
    padding: 2rem 0;
}

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

.footer-brand h3 {
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
}

.footer-brand p {
    opacity: 0.8;
    font-size: 0.875rem;
}

.footer-contact a {
    color: white;
    text-decoration: none;
    font-weight: 500;
    font-size: 1.125rem;
}

.footer-contact a:hover {
    color: var(--accent-color);
}

/* Mobile Styles */
@media (max-width: 768px) {
    .nav {
        padding: 1rem;
        flex-direction: column;
        gap: 1rem;
    }

    .nav-brand h1 {
        font-size: 1.25rem;
    }

    .hero {
        padding: 9rem 0 4rem;
    }

    .hero .container {
        grid-template-columns: 1fr;
        gap: 2rem;
        text-align: center;
    }

    .hero-title {
        font-size: 2rem;
    }

    .hero-subtitle {
        font-size: 1rem;
    }

    .hero-buttons {
        justify-content: center;
    }

    .hero-image img {
        max-width: 300px;
    }

    .section-title {
        font-size: 1.75rem;
    }

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

    .tech-header {
        padding: 1.5rem;
    }

    .tech-header h3 {
        font-size: 1.5rem;
    }

    .tech-specs-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }

    .spec-card {
        padding: 1.5rem;
    }

    .advantages-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .reviews-cta {
        padding: 3rem 0;
    }

    .reviews-cta-text h2 {
        font-size: 1.5rem;
    }

    .reviews-cta-text p {
        font-size: 1rem;
    }

    .contact-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .footer-content {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 0.75rem;
    }

    .hero {
        padding: 7rem 0 3rem;
    }

    .hero-title {
        font-size: 1.5rem;
    }

    .hero-buttons {
        flex-direction: column;
    }

    .btn {
        width: 100%;
    }

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

    .gallery {
        padding: 3rem 0;
    }

    .swiper-slide img {
        height: 320px;
    }

    .swiper-button-next,
    .swiper-button-prev {
        width: 35px !important;
        height: 35px !important;
    }

    .swiper-button-next:after,
    .swiper-button-prev:after {
        font-size: 11px !important;
    }

    .service-card,
    .contact-form {
        padding: 1.5rem;
    }
}

/* Smooth scrolling */
html {
    scroll-behavior: smooth;
}

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

.service-card,
.advantage-item {
    animation: fadeInUp 0.6s ease-out;
}

/* Form validation styles */
.contact-form.was-validated input:invalid,
.contact-form.was-validated textarea:invalid {
    border-color: #ef4444;
}

.contact-form.was-validated input:valid,
.contact-form.was-validated textarea:valid {
    border-color: #10b981;
}