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

:root {
    --primary-red: #dc0000;
    --dark-red: #b30000;
    --light-red: #ff2d2d;
    --black: #0a0a0a;
    --dark-gray: #1a1a1a;
    --medium-gray: #2a2a2a;
    --light-gray: #f5f5f5;
    --white: #ffffff;
    --text-gray: #666;
    --border-gray: #333;
    
    --transition-fast: 0.3s ease;
    --transition-medium: 0.5s ease;
    --transition-slow: 0.8s ease;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: var(--black);
    color: var(--white);
    line-height: 1.6;
    overflow-x: hidden;
}

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

section {
    padding: 100px 0;
    position: relative;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition-fast);
}

ul {
    list-style: none;
}

button {
    border: none;
    cursor: pointer;
    font-family: inherit;
}

/* ===========================
   NAVIGATION
   =========================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(10, 10, 10, 0.95);
    backdrop-filter: blur(10px);
    transition: var(--transition-fast);
    border-bottom: 1px solid transparent;
}

.navbar.scrolled {
    background: rgba(10, 10, 10, 0.98);
    border-bottom: 1px solid var(--border-gray);
    box-shadow: 0 5px 30px rgba(220, 0, 0, 0.1);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 20px;
}

.logo-text {
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: 1px;
}

.logo-highlight {
    color: var(--primary-red);
}

.nav-menu {
    display: flex;
    gap: 40px;
}

.nav-link {
    font-weight: 500;
    position: relative;
    padding: 5px 0;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-red);
    transition: var(--transition-fast);
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 100%;
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 20px;
}

.btn-quote {
    background: var(--primary-red);
    color: var(--white);
    padding: 12px 30px;
    border-radius: 30px;
    font-weight: 600;
    transition: var(--transition-fast);
}

.btn-quote:hover {
    background: var(--dark-red);
    transform: translateY(-2px);
    box-shadow: 0 5px 20px rgba(220, 0, 0, 0.4);
}

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

.hamburger span {
    width: 25px;
    height: 3px;
    background: var(--white);
    transition: var(--transition-fast);
}

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

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, var(--black) 0%, var(--dark-gray) 100%),
                url('images/futuristic-road.webp');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    animation: heroZoom 20s ease-in-out infinite alternate;
}

@keyframes heroZoom {
    0% { transform: scale(1); }
    100% { transform: scale(1.1); }
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, 
                rgba(10, 10, 10, 0.9) 0%, 
                rgba(220, 0, 0, 0.3) 50%,
                rgba(10, 10, 10, 0.95) 100%);
}

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

.hero-content {
    text-align: center;
    animation: heroFadeIn 1s ease-out;
}

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

.hero-title {
    font-size: 5rem;
    font-weight: 900;
    line-height: 1.1;
    margin-bottom: 30px;
    letter-spacing: 2px;
}

.title-line {
    display: block;
    animation: slideInLeft 0.8s ease-out backwards;
}

.title-line:nth-child(1) { animation-delay: 0.2s; }
.title-line:nth-child(2) { animation-delay: 0.4s; }
.title-line:nth-child(3) { animation-delay: 0.6s; }

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-100px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.title-line.highlight {
    color: var(--primary-red);
    text-shadow: 0 0 30px rgba(220, 0, 0, 0.5);
}

.hero-subtitle {
    font-size: 1.5rem;
    margin-bottom: 40px;
    color: var(--light-gray);
    animation: fadeIn 1s ease-out 0.8s backwards;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.hero-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    margin-bottom: 60px;
    animation: fadeIn 1s ease-out 1s backwards;
}

.btn {
    padding: 15px 40px;
    font-size: 1rem;
    font-weight: 600;
    border-radius: 50px;
    display: inline-flex;
    align-items: center;
    gap: 10px;
    transition: var(--transition-fast);
}

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

.btn-primary:hover {
    background: var(--dark-red);
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(220, 0, 0, 0.4);
}

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

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

.hero-stats {
    display: flex;
    gap: 60px;
    justify-content: center;
    animation: fadeIn 1s ease-out 1.2s backwards;
}

.stat-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
}

.stat-number {
    font-size: 3rem;
    font-weight: 900;
    color: var(--primary-red);
    line-height: 1;
}

.stat-label {
    font-size: 0.9rem;
    color: var(--light-gray);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.scroll-indicator {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    animation: bounce 2s infinite;
}

@keyframes bounce {
    0%, 100% { transform: translateX(-50%) translateY(0); }
    50% { transform: translateX(-50%) translateY(-10px); }
}

.mouse {
    width: 30px;
    height: 50px;
    border: 2px solid var(--white);
    border-radius: 20px;
    position: relative;
}

.wheel {
    width: 4px;
    height: 10px;
    background: var(--primary-red);
    border-radius: 2px;
    position: absolute;
    top: 10px;
    left: 50%;
    transform: translateX(-50%);
    animation: wheelScroll 2s infinite;
}

@keyframes wheelScroll {
    0% { top: 10px; opacity: 1; }
    100% { top: 30px; opacity: 0; }
}

/* ===========================
   FEATURES SECTION
   =========================== */
.features-section {
    background: var(--dark-gray);
    padding: 80px 0;
    margin-top: -50px;
    position: relative;
    z-index: 3;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.feature-card {
    background: var(--medium-gray);
    padding: 40px;
    border-radius: 15px;
    text-align: center;
    transition: var(--transition-fast);
    border: 1px solid var(--border-gray);
}

.feature-card:hover {
    transform: translateY(-10px);
    border-color: var(--primary-red);
    box-shadow: 0 15px 40px rgba(220, 0, 0, 0.3);
}

.feature-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--primary-red), var(--dark-red));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    font-size: 2rem;
    transition: var(--transition-fast);
}

.feature-card:hover .feature-icon {
    transform: rotateY(360deg);
}

.feature-card h3 {
    font-size: 1.5rem;
    margin-bottom: 15px;
    color: var(--white);
}

.feature-card p {
    color: var(--text-gray);
    line-height: 1.8;
}

/* ===========================
   ABOUT SECTION
   =========================== */
.about-section {
    background: var(--black);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.about-image-grid {
    position: relative;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.about-img-main {
    grid-column: 1 / -1;
    position: relative;
    border-radius: 15px;
    overflow: hidden;
    height: 400px;
}

.about-img-secondary {
    position: relative;
    border-radius: 15px;
    overflow: hidden;
    height: 250px;
}

.about-image-grid img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-medium);
}

.img-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, transparent, rgba(220, 0, 0, 0.3));
    opacity: 0;
    transition: var(--transition-fast);
}

.about-img-main:hover img,
.about-img-secondary:hover img {
    transform: scale(1.1);
}

.about-img-main:hover .img-overlay,
.about-img-secondary:hover .img-overlay {
    opacity: 1;
}

.about-experience-badge {
    position: absolute;
    bottom: 20px;
    right: 20px;
    background: var(--primary-red);
    padding: 25px;
    border-radius: 15px;
    text-align: center;
    box-shadow: 0 10px 30px rgba(220, 0, 0, 0.4);
}

.badge-number {
    display: block;
    font-size: 2.5rem;
    font-weight: 900;
    line-height: 1;
}

.badge-text {
    display: block;
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-top: 5px;
}

.section-label {
    display: inline-block;
    color: var(--primary-red);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 15px;
    font-size: 0.9rem;
}

.section-title {
    font-size: 2.5rem;
    margin-bottom: 20px;
    line-height: 1.2;
}

.section-description {
    color: var(--text-gray);
    margin-bottom: 30px;
    line-height: 1.8;
    font-size: 1.1rem;
}

.about-features {
    display: flex;
    flex-direction: column;
    gap: 20px;
    margin-bottom: 30px;
}

.about-feature-item {
    display: flex;
    gap: 15px;
    align-items: flex-start;
}

.about-feature-item i {
    color: var(--primary-red);
    font-size: 1.5rem;
    flex-shrink: 0;
}

.about-feature-item h4 {
    font-size: 1.1rem;
    margin-bottom: 5px;
}

.about-feature-item p {
    color: var(--text-gray);
    font-size: 0.95rem;
}

/* ===========================
   SERVICES SECTION
   =========================== */
.services-section {
    background: var(--dark-gray);
    position: relative;
}

.services-bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('images/electric-tower.webp');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    opacity: 0.03;
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
}

.service-card {
    background: var(--medium-gray);
    border-radius: 15px;
    overflow: hidden;
    transition: var(--transition-fast);
    border: 1px solid var(--border-gray);
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5);
}

.service-image {
    position: relative;
    height: 250px;
    overflow: hidden;
}

.service-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-medium);
}

.service-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(to bottom, transparent 50%, var(--medium-gray));
}

.service-card:hover .service-image img {
    transform: scale(1.15);
}

.service-content {
    padding: 30px;
}

.service-icon {
    width: 60px;
    height: 60px;
    background: var(--primary-red);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    margin-bottom: 20px;
    margin-top: -50px;
    position: relative;
    z-index: 2;
    transition: var(--transition-fast);
}

.service-card:hover .service-icon {
    transform: rotateY(360deg);
}

.service-content h3 {
    font-size: 1.5rem;
    margin-bottom: 15px;
}

.service-content > p {
    color: var(--text-gray);
    margin-bottom: 20px;
    line-height: 1.7;
}

.service-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.service-list li {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--text-gray);
    font-size: 0.95rem;
}

.service-list i {
    color: var(--primary-red);
}

/* ===========================
   INDUSTRIES SECTION
   =========================== */
.industries-section {
    background: var(--black);
}

.industries-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
}

.industry-card {
    position: relative;
    height: 350px;
    border-radius: 15px;
    overflow: hidden;
    cursor: pointer;
}

.industry-bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-size: cover;
    background-position: center;
    transition: var(--transition-medium);
}

.industry-card:hover .industry-bg {
    transform: scale(1.1);
}

.industry-content {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 30px;
    background: linear-gradient(to top, var(--black), transparent);
    transform: translateY(50px);
    transition: var(--transition-fast);
}

.industry-card:hover .industry-content {
    transform: translateY(0);
}

.industry-content i {
    font-size: 3rem;
    color: var(--primary-red);
    margin-bottom: 15px;
    display: block;
}

.industry-content h3 {
    font-size: 1.5rem;
    margin-bottom: 10px;
}

.industry-content p {
    color: var(--text-gray);
    font-size: 0.95rem;
}

/* ===========================
   PROJECTS SECTION
   =========================== */
.projects-section {
    background: var(--dark-gray);
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
}

.project-item {
    position: relative;
    border-radius: 15px;
    overflow: hidden;
    height: 400px;
}

.project-image {
    width: 100%;
    height: 100%;
    position: relative;
}

.project-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-medium);
}

.project-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(to top, var(--black), transparent);
    opacity: 0;
    transition: var(--transition-fast);
}

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

.project-item:hover .project-image img {
    transform: scale(1.1);
}

.project-info {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 30px;
    transform: translateY(100%);
    transition: var(--transition-fast);
}

.project-item:hover .project-info {
    transform: translateY(0);
}

.project-info h3 {
    font-size: 1.5rem;
    margin-bottom: 10px;
}

.project-info p {
    color: var(--light-gray);
    margin-bottom: 20px;
}

.btn-view {
    background: var(--primary-red);
    color: var(--white);
    padding: 10px 25px;
    border-radius: 30px;
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-weight: 600;
    transition: var(--transition-fast);
}

.btn-view:hover {
    background: var(--dark-red);
    transform: translateX(5px);
}

/* ===========================
   WHY CHOOSE SECTION
   =========================== */
.why-choose-section {
    background: var(--black);
    position: relative;
}

.why-choose-bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('images/handshake.webp');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    opacity: 0.05;
}

.why-choose-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.why-features {
    display: grid;
    grid-template-columns: 1fr;
    gap: 25px;
    margin-top: 30px;
}

.why-feature {
    display: flex;
    gap: 20px;
    align-items: flex-start;
    padding: 20px;
    background: var(--medium-gray);
    border-radius: 10px;
    border-left: 3px solid var(--primary-red);
    transition: var(--transition-fast);
}

.why-feature:hover {
    background: var(--dark-gray);
    transform: translateX(10px);
}

.why-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary-red), var(--dark-red));
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    flex-shrink: 0;
}

.why-content h4 {
    font-size: 1.2rem;
    margin-bottom: 5px;
}

.why-content p {
    color: var(--text-gray);
    font-size: 0.95rem;
}

.stats-cards {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 25px;
}

.stat-card {
    background: var(--medium-gray);
    padding: 30px;
    border-radius: 15px;
    text-align: center;
    transition: var(--transition-fast);
    border: 1px solid var(--border-gray);
}

.stat-card:hover {
    background: var(--dark-gray);
    border-color: var(--primary-red);
    transform: translateY(-5px);
}

.stat-card i {
    font-size: 2.5rem;
    color: var(--primary-red);
    margin-bottom: 15px;
}

.stat-card h3 {
    font-size: 2.5rem;
    margin-bottom: 10px;
    color: var(--white);
}

.stat-card p {
    color: var(--text-gray);
    font-size: 0.95rem;
}

/* ===========================
   CLIENTS SECTION
   =========================== */
.clients-section {
    background: var(--dark-gray);
    padding: 80px 0;
}

.clients-carousel-wrapper {
    position: relative;
    overflow: hidden;
    padding: 40px 0;
}

.clients-carousel {
    display: flex;
    gap: 60px;
    animation: scrollClients 30s linear infinite;
}

@keyframes scrollClients {
    0% { transform: translateX(0); }
    100% { transform: translateX(-50%); }
}

.clients-carousel:hover {
    animation-play-state: paused;
}

.client-logo {
    flex-shrink: 0;
    width: 180px;
    height: 100px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--medium-gray);
    border-radius: 10px;
    padding: 20px;
    transition: var(--transition-fast);
    border: 1px solid var(--border-gray);
}

.client-logo:hover {
    background: var(--dark-gray);
    border-color: var(--primary-red);
    transform: scale(1.05);
}

.client-logo img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    filter: grayscale(100%) brightness(0.8);
    transition: var(--transition-fast);
}

.client-logo:hover img {
    filter: grayscale(0%) brightness(1);
}

/* ===========================
   CTA SECTION
   =========================== */
.cta-section {
    background: var(--black);
    position: relative;
    padding: 120px 0;
}

.cta-bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, var(--primary-red), var(--dark-red));
    opacity: 0.1;
}

.cta-content {
    text-align: center;
    position: relative;
    z-index: 2;
}

.cta-content h2 {
    font-size: 3rem;
    margin-bottom: 20px;
    line-height: 1.2;
}

.cta-content p {
    font-size: 1.2rem;
    color: var(--text-gray);
    margin-bottom: 40px;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.cta-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
}

.btn-outline {
    background: transparent;
    color: var(--white);
    border: 2px solid var(--white);
}

.btn-outline:hover {
    background: var(--white);
    color: var(--black);
}

/* ===========================
   CONTACT SECTION
   =========================== */
.contact-section {
    background: var(--dark-gray);
}

.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 30px;
    margin-top: 30px;
    margin-bottom: 30px;
}

.contact-item {
    display: flex;
    gap: 20px;
    align-items: flex-start;
}

.contact-icon {
    width: 50px;
    height: 50px;
    background: var(--primary-red);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
    flex-shrink: 0;
}

.contact-item h4 {
    font-size: 1.1rem;
    margin-bottom: 5px;
}

.contact-item p {
    color: var(--text-gray);
    line-height: 1.6;
}

.social-links {
    display: flex;
    gap: 15px;
}

.social-link {
    width: 45px;
    height: 45px;
    background: var(--medium-gray);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    transition: var(--transition-fast);
    border: 1px solid var(--border-gray);
}

.social-link:hover {
    background: var(--primary-red);
    border-color: var(--primary-red);
    transform: translateY(-3px);
}

.contact-form {
    background: var(--medium-gray);
    padding: 40px;
    border-radius: 15px;
    border: 1px solid var(--border-gray);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.form-group {
    margin-bottom: 25px;
}

.form-group label {
    display: block;
    margin-bottom: 10px;
    font-weight: 600;
    color: var(--light-gray);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 15px;
    background: var(--dark-gray);
    border: 1px solid var(--border-gray);
    border-radius: 8px;
    color: var(--white);
    font-family: inherit;
    font-size: 1rem;
    transition: var(--transition-fast);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-red);
    box-shadow: 0 0 0 3px rgba(220, 0, 0, 0.1);
}

.form-group textarea {
    resize: vertical;
}

.btn-block {
    width: 100%;
}

/* ===========================
   FOOTER
   =========================== */
.footer {
    background: var(--black);
    padding: 60px 0 30px;
    border-top: 1px solid var(--border-gray);
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 40px;
}

.footer-col h3 {
    font-size: 1.5rem;
    margin-bottom: 20px;
}

.footer-col h3 span {
    color: var(--primary-red);
}

.footer-col h4 {
    font-size: 1.1rem;
    margin-bottom: 20px;
    color: var(--white);
}

.footer-col p {
    color: var(--text-gray);
    line-height: 1.8;
    margin-bottom: 20px;
}

.footer-col ul {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-col ul a {
    color: var(--text-gray);
    transition: var(--transition-fast);
}

.footer-col ul a:hover {
    color: var(--primary-red);
    padding-left: 5px;
}

.footer-social {
    display: flex;
    gap: 15px;
}

.footer-social a {
    width: 40px;
    height: 40px;
    background: var(--medium-gray);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-fast);
}

.footer-social a:hover {
    background: var(--primary-red);
    transform: translateY(-3px);
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 30px;
    border-top: 1px solid var(--border-gray);
    color: var(--text-gray);
    font-size: 0.9rem;
}

.footer-links {
    display: flex;
    gap: 15px;
    align-items: center;
}

.footer-links a {
    color: var(--text-gray);
    transition: var(--transition-fast);
}

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

/* ===========================
   SCROLL TO TOP
   =========================== */
.scroll-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: var(--primary-red);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition-fast);
    z-index: 999;
    box-shadow: 0 5px 20px rgba(220, 0, 0, 0.3);
}

.scroll-top.show {
    opacity: 1;
    visibility: visible;
}

.scroll-top:hover {
    background: var(--dark-red);
    transform: translateY(-5px);
}

/* ===========================
   ANIMATIONS & DATA-AOS
   =========================== */
[data-aos] {
    opacity: 0;
    transition: var(--transition-medium);
}

[data-aos].aos-animate {
    opacity: 1;
}

[data-aos="fade-up"] {
    transform: translateY(50px);
}

[data-aos="fade-up"].aos-animate {
    transform: translateY(0);
}

[data-aos="fade-right"] {
    transform: translateX(-50px);
}

[data-aos="fade-right"].aos-animate {
    transform: translateX(0);
}

[data-aos="fade-left"] {
    transform: translateX(50px);
}

[data-aos="fade-left"].aos-animate {
    transform: translateX(0);
}

[data-aos="zoom-in"] {
    transform: scale(0.9);
}

[data-aos="zoom-in"].aos-animate {
    transform: scale(1);
}

[data-aos="flip-left"] {
    transform: perspective(1000px) rotateY(-45deg);
}

[data-aos="flip-left"].aos-animate {
    transform: perspective(1000px) rotateY(0);
}

/* ===========================
   RESPONSIVE DESIGN
   =========================== */
@media (max-width: 1024px) {
    .hero-title {
        font-size: 4rem;
    }
    
    .about-content,
    .why-choose-content,
    .contact-wrapper {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .footer-content {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background: var(--dark-gray);
        width: 100%;
        padding: 30px;
        gap: 20px;
        transition: var(--transition-fast);
        border-bottom: 1px solid var(--border-gray);
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .hamburger {
        display: flex;
    }
    
    .btn-quote {
        display: none;
    }
    
    .hero-title {
        font-size: 3rem;
    }
    
    .hero-subtitle {
        font-size: 1.2rem;
    }
    
    .hero-buttons {
        flex-direction: column;
    }
    
    .hero-stats {
        flex-direction: column;
        gap: 30px;
    }
    
    .services-grid,
    .industries-grid,
    .projects-grid {
        grid-template-columns: 1fr;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .stats-cards {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: 15px;
        text-align: center;
    }
    
    .cta-content h2 {
        font-size: 2rem;
    }
    
    .cta-buttons {
        flex-direction: column;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2.5rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    section {
        padding: 60px 0;
    }
}