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

:root {
    --primary-color: #1a1a2e;
    --primary-dark: #0f0f1e;
    --accent-color: #e94560;
    --accent-light: #ff6b8a;
    --gold-color: #d4af37;
    --text-light: #ffffff;
    --text-dark: #1a1a2e;
    --text-gray: #6c757d;
    --bg-light: #f8f9fa;
    --bg-dark: #1a1a2e;
    --border-color: rgba(255, 255, 255, 0.1);
    --shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    --shadow-hover: 0 8px 30px rgba(0, 0, 0, 0.15);
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    overflow-x: hidden;
    background: var(--text-light);
}

/* Navigation */
nav {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(26, 26, 46, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    padding: 1rem 0;
    transition: all 0.3s ease;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

nav.scrolled {
    background: rgba(26, 26, 46, 0.98);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
}

.nav-container {
    max-width: 1600px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 3rem;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-light);
    text-decoration: none;
    letter-spacing: 2px;
    text-transform: uppercase;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 2.5rem;
    align-items: center;
}

.nav-links a {
    color: var(--text-light);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.9rem;
    transition: color 0.3s ease;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--accent-color);
    transition: width 0.3s ease;
}

.nav-links a:hover {
    color: var(--accent-color);
}

.nav-links a:hover::after {
    width: 100%;
}

.nav-actions {
    display: flex;
    gap: 1rem;
    align-items: center;
}

.btn-primary {
    background: transparent;
    color: var(--text-light);
    padding: 0.75rem 1.5rem;
    border: 2px solid var(--accent-color);
    border-radius: 4px;
    text-decoration: none;
    font-weight: 600;
    font-size: 0.85rem;
    transition: all 0.3s ease;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.btn-primary:hover {
    background: var(--accent-color);
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(233, 69, 96, 0.3);
}

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 5px;
}

.mobile-menu-toggle span {
    width: 25px;
    height: 3px;
    background: var(--text-light);
    transition: all 0.3s ease;
    border-radius: 2px;
}

/* Social Media Fixed */
.social-media-fixed {
    position: fixed;
    right: 2rem;
    top: 50%;
    transform: translateY(-50%);
    z-index: 999;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.social-media-fixed a {
    width: 45px;
    height: 45px;
    background: rgba(26, 26, 46, 0.8);
    color: var(--text-light);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    text-decoration: none;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
}

.social-media-fixed a:hover {
    background: var(--accent-color);
    transform: translateX(-5px);
}

/* Hero Section with Slider */
.hero {
    min-height: 100vh;
    position: relative;
    overflow: hidden;
    margin-top: 70px;
}

.hero-slider {
    width: 100%;
    height: 100vh;
}

.hero-slide {
    position: relative;
    width: 100%;
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

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

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    color: var(--text-light);
    max-width: 1200px;
    padding: 0 3rem;
    animation: fadeInUp 1s ease;
}

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

.hero-title {
    font-size: 4.5rem;
    font-weight: 700;
    margin-bottom: 2rem;
    line-height: 1.1;
    text-transform: uppercase;
    letter-spacing: -1px;
}

.hero-title .highlight {
    color: var(--accent-color);
}

.hero-divider {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    margin: 2rem 0;
}

.shadow-divider {
    width: 100px;
    height: 2px;
    background: rgba(255, 255, 255, 0.3);
}

.decorative-image {
    width: 60px;
    height: 60px;
    background: var(--accent-color);
    border-radius: 50%;
    opacity: 0.7;
}

.hero-subtitle {
    font-size: 1.3rem;
    margin-bottom: 3rem;
    color: rgba(255, 255, 255, 0.9);
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.8;
}

.hero-cta-btn {
    display: inline-block;
    padding: 1.2rem 3rem;
    background: var(--accent-color);
    color: var(--text-light);
    text-decoration: none;
    border-radius: 4px;
    font-weight: 600;
    font-size: 1rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: all 0.3s ease;
    margin-bottom: 3rem;
}

.hero-cta-btn:hover {
    background: var(--accent-light);
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(233, 69, 96, 0.4);
}

.scroll-indicator {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    margin-top: 3rem;
}

.scroll-indicator span {
    font-size: 0.75rem;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: rgba(255, 255, 255, 0.7);
}

.scroll-arrow {
    width: 2px;
    height: 30px;
    background: var(--accent-color);
    position: relative;
    animation: scrollDown 2s infinite;
}

.scroll-arrow::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: -4px;
    width: 10px;
    height: 10px;
    border-right: 2px solid var(--accent-color);
    border-bottom: 2px solid var(--accent-color);
    transform: rotate(45deg);
}

@keyframes scrollDown {
    0%, 100% {
        opacity: 1;
        transform: translateY(0);
    }
    50% {
        opacity: 0.3;
        transform: translateY(10px);
    }
}

/* Swiper Customization */
.hero-slider .swiper-pagination {
    bottom: 3rem !important;
}

.hero-slider .swiper-pagination-bullet {
    width: 12px;
    height: 12px;
    background: rgba(255, 255, 255, 0.5);
    opacity: 1;
    transition: all 0.3s ease;
}

.hero-slider .swiper-pagination-bullet-active {
    background: var(--accent-color);
    width: 30px;
    border-radius: 6px;
}

.hero-slider .swiper-button-next,
.hero-slider .swiper-button-prev {
    color: var(--text-light);
    width: 50px;
    height: 50px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    backdrop-filter: blur(10px);
    transition: all 0.3s ease;
    top: auto;
    bottom: 3rem;
    margin-top: 0;
}

.hero-slider .swiper-button-next {
    right: 2rem;
}

.hero-slider .swiper-button-prev {
    left: 2rem;
}

.hero-slider .swiper-button-next:hover,
.hero-slider .swiper-button-prev:hover {
    background: var(--accent-color);
    transform: scale(1.1);
}

.hero-slider .swiper-button-next::after,
.hero-slider .swiper-button-prev::after {
    font-size: 1.2rem;
    font-weight: 700;
}

/* About Section */
.about-section {
    padding: 8rem 3rem;
    background: var(--text-light);
    position: relative;
}

.decorative-lines-top,
.decorative-lines-bottom {
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--accent-color), transparent);
    margin: 3rem 0;
    opacity: 0.3;
}

.about-container {
    max-width: 1400px;
    margin: 0 auto;
}

.about-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-label {
    display: block;
    font-size: 0.85rem;
    letter-spacing: 3px;
    text-transform: uppercase;
    color: var(--accent-color);
    margin-bottom: 1rem;
}

.section-title-large {
    font-size: 3.5rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 1rem;
    text-transform: uppercase;
    letter-spacing: -1px;
}

.section-subtitle-large {
    font-size: 1.5rem;
    color: var(--text-gray);
    font-weight: 400;
    text-transform: uppercase;
    letter-spacing: 2px;
}

.about-content {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 4rem;
    align-items: center;
    margin-bottom: 3rem;
}

.about-text {
    font-size: 1.1rem;
    line-height: 2;
    color: var(--text-gray);
}

.about-description {
    font-size: 1.3rem;
    color: var(--text-dark);
    font-weight: 500;
    margin-bottom: 2rem;
}

.about-mission {
    font-style: italic;
    color: var(--accent-color);
    margin-bottom: 2rem;
    font-weight: 500;
}

.about-history,
.about-growth,
.about-vision,
.about-goal {
    margin-bottom: 1.5rem;
}

.about-visual {
    position: relative;
    height: 500px;
}

.about-image-placeholder {
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    border-radius: 12px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: var(--text-light);
    font-size: 4rem;
    gap: 1rem;
    box-shadow: var(--shadow-hover);
}

.about-image-placeholder span {
    font-size: 1.5rem;
    font-weight: 600;
    letter-spacing: 3px;
}

.learn-more-btn {
    display: inline-block;
    padding: 1rem 2.5rem;
    background: transparent;
    color: var(--accent-color);
    border: 2px solid var(--accent-color);
    text-decoration: none;
    border-radius: 4px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: all 0.3s ease;
    margin: 2rem auto;
    display: block;
    width: fit-content;
}

.learn-more-btn:hover {
    background: var(--accent-color);
    color: var(--text-light);
    transform: translateY(-2px);
}

/* Projects Section */
.projects-section {
    padding: 8rem 3rem;
    background: var(--bg-light);
}

.projects-container {
    max-width: 1400px;
    margin: 0 auto;
}

.projects-section .section-title {
    text-align: center;
    font-size: 3.5rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 4rem;
    text-transform: uppercase;
    letter-spacing: -1px;
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 3rem;
}

.project-card {
    background: var(--text-light);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: all 0.3s ease;
}

.project-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-hover);
}

.project-image {
    position: relative;
    width: 100%;
    height: 300px;
    overflow: hidden;
}

.project-image-placeholder {
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-light);
    font-size: 4rem;
}

.project-overlay {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: rgba(26, 26, 46, 0.9);
    color: var(--text-light);
    padding: 0.5rem 1rem;
    border-radius: 4px;
    font-size: 0.85rem;
    font-weight: 600;
}

.project-content {
    padding: 2rem;
}

.project-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 1rem;
    text-transform: uppercase;
}

.project-description {
    color: var(--text-gray);
    line-height: 1.8;
    margin-bottom: 1.5rem;
}

.project-details {
    display: flex;
    gap: 2rem;
    margin-bottom: 1.5rem;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid var(--border-color);
}

.project-detail {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.detail-label {
    font-size: 0.85rem;
    color: var(--text-gray);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.detail-value {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--text-dark);
}

.read-more-btn {
    color: var(--accent-color);
    text-decoration: none;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    transition: gap 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.read-more-btn:hover {
    gap: 1rem;
}

.read-more-btn::after {
    content: '→';
    transition: transform 0.3s ease;
}

.read-more-btn:hover::after {
    transform: translateX(5px);
}

/* Why Choose Section */
.why-choose-section {
    padding: 8rem 3rem;
    background: var(--text-light);
    position: relative;
}

.why-choose-container {
    max-width: 1400px;
    margin: 0 auto;
    text-align: center;
}

.why-choose-header {
    margin-bottom: 3rem;
}

.why-choose-description {
    font-size: 1.2rem;
    line-height: 2;
    color: var(--text-gray);
    max-width: 900px;
    margin: 0 auto 3rem;
}

.scroll-hint {
    font-size: 0.85rem;
    letter-spacing: 3px;
    text-transform: uppercase;
    color: var(--accent-color);
    margin-top: 2rem;
}

/* Stats Section */
.stats-section {
    padding: 8rem 3rem;
    position: relative;
    background: var(--bg-dark);
    color: var(--text-light);
}

.stats-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    opacity: 0.9;
    z-index: 1;
}

.stats-container {
    position: relative;
    z-index: 2;
    max-width: 1400px;
    margin: 0 auto;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 4rem;
    text-align: center;
}

.stat-item {
    padding: 2rem;
}

.stat-number {
    font-size: 5rem;
    font-weight: 700;
    color: var(--accent-color);
    margin-bottom: 1rem;
    line-height: 1;
}

.stat-label {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.stat-sublabel {
    font-size: 1rem;
    color: rgba(255, 255, 255, 0.7);
}

/* Engineers Section */
.engineers-section {
    padding: 8rem 3rem;
    background: var(--text-light);
    position: relative;
}

.engineers-container {
    max-width: 1400px;
    margin: 0 auto;
}

.engineers-section .section-title {
    text-align: center;
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 1rem;
    text-transform: uppercase;
}

.engineers-section .section-subtitle-large {
    text-align: center;
    font-size: 1.5rem;
    color: var(--text-gray);
    margin-bottom: 4rem;
    text-transform: uppercase;
    letter-spacing: 2px;
}

.engineers-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2.5rem;
}

.engineer-card {
    background: var(--text-light);
    padding: 2.5rem;
    border-radius: 12px;
    box-shadow: var(--shadow);
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.engineer-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-hover);
    border-color: var(--accent-color);
}

.engineer-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-light);
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
}

.engineer-title {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 1rem;
    text-transform: uppercase;
}

.engineer-description {
    color: var(--text-gray);
    line-height: 1.8;
    margin-bottom: 1.5rem;
}

.explain-btn {
    background: transparent;
    color: var(--accent-color);
    border: 2px solid var(--accent-color);
    padding: 0.75rem 1.5rem;
    border-radius: 4px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.explain-btn:hover {
    background: var(--accent-color);
    color: var(--text-light);
}

.engineer-details {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.5s ease;
    margin-top: 1.5rem;
}

.engineer-card.active .engineer-details {
    max-height: 1000px;
}

.engineer-details ul {
    list-style: none;
    padding: 0;
}

.engineer-details li {
    padding: 0.75rem 0;
    color: var(--text-gray);
    line-height: 1.8;
    border-bottom: 1px solid var(--border-color);
}

.engineer-details li:last-child {
    border-bottom: none;
}

.decorative-letters {
    height: 100px;
    background: repeating-linear-gradient(
        45deg,
        transparent,
        transparent 10px,
        rgba(233, 69, 96, 0.1) 10px,
        rgba(233, 69, 96, 0.1) 20px
    );
    margin-top: 4rem;
}

/* Clients Section */
.clients-section {
    padding: 8rem 3rem;
    background: var(--bg-light);
}

.clients-container {
    max-width: 1400px;
    margin: 0 auto;
}

.clients-section .section-title {
    text-align: center;
    font-size: 3.5rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 4rem;
    text-transform: uppercase;
}

.clients-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2.5rem;
    margin-bottom: 4rem;
}

.client-card {
    background: var(--text-light);
    padding: 2.5rem;
    border-radius: 12px;
    box-shadow: var(--shadow);
    text-align: center;
    transition: all 0.3s ease;
}

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

.client-logo {
    width: 100px;
    height: 100px;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-light);
    font-size: 2.5rem;
    margin: 0 auto 1.5rem;
}

.client-name {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 1rem;
    text-transform: uppercase;
}

.client-description {
    color: var(--text-gray);
    line-height: 1.8;
    margin-bottom: 1.5rem;
}

.learn-more-link {
    color: var(--accent-color);
    text-decoration: none;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    transition: gap 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.learn-more-link:hover {
    gap: 1rem;
}

.learn-more-link::after {
    content: '→';
    transition: transform 0.3s ease;
}

.learn-more-link:hover::after {
    transform: translateX(5px);
}

.clients-trust {
    text-align: center;
    margin-top: 4rem;
}

.clients-trust h3 {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-dark);
    text-transform: uppercase;
    letter-spacing: 2px;
}

.decorative-gradient {
    height: 4px;
    background: linear-gradient(90deg, transparent, var(--accent-color), transparent);
    margin-top: 4rem;
    opacity: 0.5;
}

/* Testimonials Section */
.testimonials-section {
    padding: 8rem 3rem;
    background: var(--text-light);
    position: relative;
}

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

.testimonials-slider {
    padding-bottom: 4rem;
}

.testimonial-card {
    background: var(--bg-light);
    padding: 3rem;
    border-radius: 12px;
    box-shadow: var(--shadow);
}

.testimonial-text {
    font-size: 1.2rem;
    line-height: 2;
    color: var(--text-gray);
    margin-bottom: 2rem;
    font-style: italic;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.author-avatar {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-light);
    font-size: 1.5rem;
}

.author-info {
    flex: 1;
}

.author-name {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 0.25rem;
}

.author-role {
    color: var(--text-gray);
    font-size: 0.9rem;
}

.testimonial-rating {
    color: var(--gold-color);
    font-size: 1.2rem;
}

.testimonials-slider .swiper-pagination {
    bottom: 0 !important;
}

.testimonials-slider .swiper-pagination-bullet {
    width: 12px;
    height: 12px;
    background: var(--accent-color);
    opacity: 0.5;
}

.testimonials-slider .swiper-pagination-bullet-active {
    opacity: 1;
    width: 30px;
    border-radius: 6px;
}

/* Contact Section */
.contact-section {
    padding: 8rem 3rem;
    background: var(--bg-light);
}

.contact-container {
    max-width: 1400px;
    margin: 0 auto;
}

.contact-info {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.contact-map {
    height: 500px;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--shadow);
}

.map-placeholder {
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: var(--text-light);
    font-size: 3rem;
    gap: 1rem;
}

.map-placeholder p {
    font-size: 1.5rem;
    font-weight: 600;
}

.contact-details h3 {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 0.5rem;
    text-transform: uppercase;
}

.contact-details h4 {
    font-size: 1.2rem;
    color: var(--accent-color);
    margin-bottom: 1.5rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.contact-details p {
    color: var(--text-gray);
    line-height: 2;
    margin-bottom: 1rem;
}

.take-me-there-btn {
    display: inline-block;
    padding: 1rem 2rem;
    background: var(--accent-color);
    color: var(--text-light);
    text-decoration: none;
    border-radius: 4px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-top: 1.5rem;
    transition: all 0.3s ease;
}

.take-me-there-btn:hover {
    background: var(--accent-light);
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(233, 69, 96, 0.3);
}

/* Footer */
.footer {
    background: var(--bg-dark);
    color: var(--text-light);
    padding: 4rem 3rem 2rem;
    position: relative;
}

.footer-container {
    max-width: 1400px;
    margin: 0 auto;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-section h3 {
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: 0.75rem;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: color 0.3s ease;
    text-transform: uppercase;
    font-size: 0.9rem;
    letter-spacing: 0.5px;
}

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

.footer-section p {
    color: rgba(255, 255, 255, 0.7);
    line-height: 2;
    margin-bottom: 0.5rem;
}

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

.social-links a {
    width: 45px;
    height: 45px;
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-light);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    text-decoration: none;
    transition: all 0.3s ease;
}

.social-links a:hover {
    background: var(--accent-color);
    transform: translateY(-3px);
}

.footer-cta {
    text-align: center;
    padding: 2rem 0;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    margin: 2rem 0;
}

.footer-cta p {
    font-size: 1.5rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 2px;
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    color: rgba(255, 255, 255, 0.6);
}

.footer-bottom p {
    margin-bottom: 0.5rem;
}

.footer-legal {
    margin: 1rem 0;
}

.footer-legal a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: color 0.3s ease;
}

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

.footer-credit {
    font-size: 0.85rem;
    margin-top: 1rem;
    opacity: 0.5;
}

.decorative-lines-footer {
    height: 2px;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    margin: 1rem 0;
}

.back-to-top {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 50px;
    height: 50px;
    background: var(--accent-color);
    color: var(--text-light);
    border: none;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    z-index: 999;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(233, 69, 96, 0.3);
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    background: var(--accent-light);
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(233, 69, 96, 0.4);
}

/* Responsive Design */
@media (max-width: 1200px) {
    .hero-title {
        font-size: 3.5rem;
    }
    
    .section-title-large {
        font-size: 2.5rem;
    }
    
    .about-content {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .nav-container {
        padding: 0 1.5rem;
    }
    
    .nav-links {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 100%;
        background: var(--bg-dark);
        flex-direction: column;
        padding: 2rem;
        box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
        transition: left 0.3s ease;
        gap: 1.5rem;
        z-index: 999;
    }

    .nav-links.active {
        left: 0;
    }

    .mobile-menu-toggle {
        display: flex;
    }
    
    .mobile-menu-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(8px, 8px);
    }
    
    .mobile-menu-toggle.active span:nth-child(2) {
        opacity: 0;
    }
    
    .mobile-menu-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -7px);
    }

    .nav-actions {
        display: none;
    }
    
    .social-media-fixed {
        display: none;
    }

    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1.1rem;
    }
    
    .section-title-large {
        font-size: 2rem;
    }
    
    .projects-grid {
        grid-template-columns: 1fr;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .engineers-grid {
        grid-template-columns: 1fr;
    }
    
    .clients-grid {
        grid-template-columns: 1fr;
    }
    
    .contact-info {
        grid-template-columns: 1fr;
    }
    
    .hero-slider .swiper-button-next,
    .hero-slider .swiper-button-prev {
        display: none;
    }
    
    .about-section,
    .projects-section,
    .why-choose-section,
    .stats-section,
    .engineers-section,
    .clients-section,
    .testimonials-section,
    .contact-section {
        padding: 4rem 1.5rem;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }
    
    .stat-number {
        font-size: 3.5rem;
    }
    
    .testimonial-text {
        font-size: 1rem;
    }
}