/* ===== BASE STYLES ===== */
:root {
    --primary: #0056b3;
    --primary-light: #4d8bff;
    --primary-dark: #003d82;
    --secondary: #ff6600;
    --secondary-light: #ff944d;
    --secondary-dark: #e55a00;
    --light: #f8f9fa;
    --dark: #212529;
    --dark-light: #343a40;
    --gray: #6c757d;
    --gray-light: #e9ecef;
    --success: #28a745;
    --error: #dc3545;
    --warning: #ffc107;
    --info: #17a2b8;
    
    --gradient-1: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
    --gradient-2: linear-gradient(135deg, var(--secondary) 0%, var(--secondary-light) 100%);
    --gradient-3: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --gradient-4: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    
    --shadow-sm: 0 2px 4px rgba(0,0,0,0.1);
    --shadow-md: 0 4px 8px rgba(0,0,0,0.12);
    --shadow-lg: 0 8px 16px rgba(0,0,0,0.15);
    --shadow-xl: 0 12px 24px rgba(0,0,0,0.2);
    
    --border-radius: 10px;
    --border-radius-lg: 20px;
    
    --transition: all 0.3s ease;
    --transition-slow: all 0.5s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Poppins', sans-serif;
    line-height: 1.6;
    color: var(--dark);
    background-color: var(--light);
    overflow-x: hidden;
    position: relative;
}

h1, h2, h3, h4, h5 {
    font-family: 'Montserrat', sans-serif;
    font-weight: 700;
    line-height: 1.3;
}

.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 15px;
}

.section-padding {
    padding: 100px 0;
}

/* ===== PRELOADER ===== */
.preloader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--primary);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 9999;
    transition: opacity 0.5s ease, visibility 0.5s ease;
}

.preloader.fade-out {
    opacity: 0;
    visibility: hidden;
}

.loader {
    text-align: center;
    color: white;
}

.loader p {
    margin-top: 20px;
    font-size: 1.2rem;
    letter-spacing: 2px;
}

.gear {
    display: inline-block;
    font-size: 4rem;
    animation: spin 2s linear infinite;
    color: var(--secondary);
}

.gear-reverse {
    animation: spin-reverse 2s linear infinite;
    margin-left: 20px;
}

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

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

/* ===== PARTICLES BACKGROUND ===== */
#particles-js {
    position: fixed;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    z-index: -1;
}

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

.header.scrolled {
    padding: 10px 0;
    background-color: rgba(255, 255, 255, 0.98);
    box-shadow: var(--shadow-lg);
}

.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 0;
    transition: var(--transition);
}

.logo {
    display: flex;
    align-items: center;
    gap: 15px;
    cursor: pointer;
}

.logo-icon {
    color: var(--primary);
    font-size: 2.8rem;
    transition: var(--transition);
}

.logo:hover .logo-icon {
    transform: rotate(180deg);
}

.logo-text h1 {
    font-size: 2rem;
    color: var(--primary);
    line-height: 1.2;
}

.logo-text span {
    color: var(--secondary);
}

.logo-text p {
    font-size: 0.9rem;
    color: var(--gray);
    letter-spacing: 1px;
}

/* Navigation */
nav ul {
    display: flex;
    list-style: none;
    align-items: center;
}

nav li {
    margin-left: 30px;
}

.nav-link {
    text-decoration: none;
    color: var(--dark);
    font-weight: 600;
    font-size: 1.1rem;
    position: relative;
    padding: 5px 0;
    transition: var(--transition);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 3px;
    background: var(--gradient-2);
    transition: var(--transition);
}

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

.nav-link:hover {
    color: var(--primary);
}

.cta-button {
    background: var(--gradient-2);
    color: white;
    padding: 12px 25px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    font-size: 1rem;
    border: none;
    cursor: pointer;
    transition: var(--transition);
    display: inline-block;
    box-shadow: var(--shadow-md);
    position: relative;
    overflow: hidden;
    z-index: 1;
}

.cta-button::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: var(--gradient-1);
    transition: var(--transition);
    z-index: -1;
}

.cta-button:hover::before {
    left: 0;
}

.cta-button:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
}

/* Button Animations */
.pulse {
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% { box-shadow: 0 0 0 0 rgba(255, 102, 0, 0.7); }
    70% { box-shadow: 0 0 0 10px rgba(255, 102, 0, 0); }
    100% { box-shadow: 0 0 0 0 rgba(255, 102, 0, 0); }
}

.glow {
    box-shadow: 0 0 20px rgba(255, 102, 0, 0.5);
}

.glow:hover {
    box-shadow: 0 0 30px rgba(255, 102, 0, 0.7);
}

/* Mobile Menu Button */
.mobile-menu-btn {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 30px;
    height: 21px;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 0;
    z-index: 1001;
}

.mobile-menu-btn .bar {
    width: 100%;
    height: 3px;
    background-color: var(--primary);
    border-radius: 10px;
    transition: var(--transition);
}

.mobile-menu-btn.active .bar:nth-child(1) {
    transform: translateY(9px) rotate(45deg);
}

.mobile-menu-btn.active .bar:nth-child(2) {
    opacity: 0;
}

.mobile-menu-btn.active .bar:nth-child(3) {
    transform: translateY(-9px) rotate(-45deg);
}

/* ===== HERO SECTION ===== */
.hero {
    padding: 180px 0 100px;
    position: relative;
    overflow: hidden;
    background: var(--gradient-1);
}

.hero-shapes {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    z-index: 0;
}

.shape {
    position: absolute;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
}

.shape-1 {
    width: 300px;
    height: 300px;
    top: -150px;
    right: -150px;
    animation: float 15s infinite ease-in-out;
}

.shape-2 {
    width: 200px;
    height: 200px;
    bottom: 100px;
    left: -100px;
    animation: float 12s infinite ease-in-out reverse;
}

.shape-3 {
    width: 150px;
    height: 150px;
    top: 50%;
    right: 20%;
    animation: float 10s infinite ease-in-out;
}

@keyframes float {
    0%, 100% { transform: translateY(0) rotate(0deg); }
    50% { transform: translateY(-20px) rotate(180deg); }
}

.hero .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: relative;
    z-index: 1;
}

.hero-content {
    flex: 1;
    color: white;
    max-width: 600px;
}

.hero-title {
    font-size: 3.5rem;
    margin-bottom: 25px;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.2);
}

.gradient-text {
    background: linear-gradient(90deg, #ff944d, #ffcc00);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    font-weight: 800;
}

.highlight {
    position: relative;
    display: inline-block;
}

.highlight::after {
    content: '';
    position: absolute;
    bottom: 5px;
    left: 0;
    width: 100%;
    height: 10px;
    background: rgba(255, 255, 255, 0.3);
    z-index: -1;
    border-radius: 5px;
}

.hero-description {
    font-size: 1.2rem;
    margin-bottom: 35px;
    opacity: 0.9;
    line-height: 1.8;
}

.hero-buttons {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
}

.secondary-button {
    background: transparent;
    color: white;
    padding: 12px 25px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    font-size: 1rem;
    border: 2px solid rgba(255, 255, 255, 0.3);
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    gap: 10px;
}

.secondary-button:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: white;
    transform: translateY(-3px);
}

.hero-image {
    flex: 1;
    position: relative;
    height: 400px;
}

.floating-element {
    position: absolute;
    width: 80px;
    height: 80px;
    background: white;
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.5rem;
    color: var(--primary);
    box-shadow: var(--shadow-lg);
    animation: float-vertical 3s infinite ease-in-out;
}

.floating-element:nth-child(1) {
    top: 50px;
    right: 100px;
}

.floating-delay-1 {
    animation-delay: 0.5s;
    top: 200px;
    right: 30px;
    background: var(--secondary);
    color: white;
}

.floating-delay-2 {
    animation-delay: 1s;
    top: 300px;
    right: 180px;
    background: var(--primary-light);
    color: white;
}

@keyframes float-vertical {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-20px); }
}

/* ===== SECTIONS COMMON STYLES ===== */
.section-title {
    text-align: center;
    margin-bottom: 70px;
}

.section-title h2 {
    font-size: 3rem;
    color: var(--primary);
    margin-bottom: 20px;
    position: relative;
    display: inline-block;
}

.underline {
    position: relative;
}

.underline::after {
    content: '';
    position: absolute;
    bottom: 5px;
    left: 0;
    width: 100%;
    height: 12px;
    background: rgba(255, 102, 0, 0.2);
    z-index: -1;
    border-radius: 5px;
}

.section-title p {
    color: var(--gray);
    max-width: 700px;
    margin: 0 auto;
    font-size: 1.1rem;
}

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

.service-card {
    background-color: white;
    border-radius: var(--border-radius);
    padding: 40px 30px;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    border: 1px solid transparent;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 5px;
    height: 0;
    background: var(--gradient-2);
    transition: var(--transition-slow);
}

.service-card:hover::before {
    height: 100%;
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-xl);
    border-color: var(--secondary-light);
}

.service-icon {
    font-size: 3.5rem;
    color: var(--primary);
    margin-bottom: 25px;
    transition: var(--transition);
}

.service-card:hover .service-icon {
    transform: scale(1.1) rotate(5deg);
    color: var(--secondary);
}

.service-card h3 {
    font-size: 1.8rem;
    margin-bottom: 15px;
    color: var(--secondary);
    transition: var(--transition);
}

.service-card:hover h3 {
    color: var(--primary);
}

.service-card p {
    color: var(--gray);
    margin-bottom: 20px;
    line-height: 1.8;
}

.service-line {
    width: 50px;
    height: 3px;
    background: var(--gray-light);
    margin-top: 20px;
    transition: var(--transition);
}

.service-card:hover .service-line {
    width: 100px;
    background: var(--gradient-2);
}

/* ===== STATS SECTION ===== */
.stats-section {
    background: var(--gradient-3);
    padding: 80px 0;
    color: white;
    position: relative;
    overflow: hidden;
}

.stats-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100" preserveAspectRatio="none"><path d="M0,0 L100,0 L100,100 Z" fill="rgba(255,255,255,0.05)"/></svg>');
    background-size: cover;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 40px;
    position: relative;
    z-index: 1;
}

.stat-item {
    text-align: center;
    padding: 30px 20px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--border-radius);
    backdrop-filter: blur(5px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: var(--transition);
}

.stat-item:hover {
    transform: translateY(-10px);
    background: rgba(255, 255, 255, 0.15);
    border-color: rgba(255, 255, 255, 0.3);
}

.stat-number {
    font-size: 3.5rem;
    font-weight: 800;
    margin-bottom: 10px;
    font-family: 'Montserrat', sans-serif;
    color: white;
}

.stat-text {
    font-size: 1.2rem;
    margin-bottom: 20px;
    opacity: 0.9;
}

.stat-icon {
    font-size: 2.5rem;
    opacity: 0.8;
}

/* ===== PROJECTS SECTION ===== */
.projects {
    background-color: var(--light);
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 40px;
}

.project-card {
    background-color: white;
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
}

.project-card:hover {
    transform: translateY(-15px);
    box-shadow: var(--shadow-xl);
}

.project-img {
    height: 250px;
    background: var(--gradient-1);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 4rem;
    position: relative;
    overflow: hidden;
}

.project-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: var(--transition);
}

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

.project-overlay h4 {
    color: white;
    font-size: 1.5rem;
    transform: translateY(20px);
    transition: var(--transition);
}

.project-card:hover .project-overlay h4 {
    transform: translateY(0);
}

.project-content {
    padding: 30px;
}

.project-content h3 {
    font-size: 1.5rem;
    margin-bottom: 15px;
    color: var(--secondary);
}

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

.project-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 25px;
}

.tag {
    background-color: #e9f0ff;
    color: var(--primary);
    padding: 5px 15px;
    border-radius: 50px;
    font-size: 0.9rem;
    font-weight: 600;
    transition: var(--transition);
}

.tag:hover {
    background-color: var(--primary);
    color: white;
    transform: translateY(-2px);
}

.project-link {
    color: var(--primary);
    text-decoration: none;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 10px;
    transition: var(--transition);
}

.project-link:hover {
    color: var(--secondary);
    gap: 15px;
}

/* ===== ABOUT SECTION ===== */
.about-content {
    display: flex;
    align-items: center;
    gap: 80px;
}

.about-text {
    flex: 1;
}

.about-text h3 {
    font-size: 2.2rem;
    color: var(--primary);
    margin-bottom: 25px;
    line-height: 1.4;
}

.about-text p {
    color: var(--gray);
    margin-bottom: 20px;
    line-height: 1.8;
    font-size: 1.1rem;
}

.features {
    margin: 30px 0 40px;
}

.feature {
    display: flex;
    align-items: center;
    margin-bottom: 15px;
}

.feature i {
    color: var(--secondary);
    margin-right: 15px;
    font-size: 1.2rem;
}

.feature span {
    font-size: 1.1rem;
    font-weight: 500;
}

.about-image {
    flex: 1;
}

.image-container {
    position: relative;
}

.image-card {
    width: 100%;
    height: 500px;
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow-xl);
    transform: perspective(1000px) rotateY(-10deg);
    transition: var(--transition);
}

.image-card:hover {
    transform: perspective(1000px) rotateY(0deg);
}

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

.image-card:hover img {
    transform: scale(1.05);
}

.floating-badge {
    position: absolute;
    bottom: 30px;
    right: -20px;
    background: var(--gradient-2);
    color: white;
    padding: 15px 20px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 600;
    box-shadow: var(--shadow-lg);
    animation: float-vertical 3s infinite ease-in-out;
}

.floating-badge i {
    font-size: 1.5rem;
}

/* ===== CONTACT SECTION ===== */
.contact {
    background-color: var(--light);
}

.contact-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 60px;
}

.contact-info h3 {
    font-size: 2.2rem;
    color: var(--primary);
    margin-bottom: 20px;
    line-height: 1.3;
}

.contact-info > p {
    color: var(--gray);
    margin-bottom: 40px;
    line-height: 1.8;
    font-size: 1.1rem;
}

.contact-details {
    margin: 40px 0;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    margin-bottom: 30px;
    padding: 20px;
    background: white;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

.contact-item:hover {
    transform: translateX(10px);
    box-shadow: var(--shadow-md);
}

.contact-icon {
    color: var(--primary);
    font-size: 1.5rem;
    margin-right: 20px;
    margin-top: 5px;
}

.contact-item h4 {
    font-size: 1.2rem;
    color: var(--secondary);
    margin-bottom: 8px;
}

.contact-item p {
    color: var(--gray);
    line-height: 1.7;
}

.contact-social h4 {
    font-size: 1.3rem;
    color: var(--primary);
    margin-bottom: 20px;
}

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

.social-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 50px;
    height: 50px;
    background-color: white;
    border-radius: 50%;
    color: var(--primary);
    text-decoration: none;
    font-size: 1.2rem;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
}

.social-icon:hover {
    background: var(--gradient-2);
    color: white;
    transform: translateY(-5px);
}

/* Contact Form */
.contact-form {
    background-color: white;
    padding: 40px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-lg);
}

.form-header {
    margin-bottom: 30px;
    text-align: center;
}

.form-header h3 {
    font-size: 2rem;
    color: var(--primary);
    margin-bottom: 10px;
}

.form-header p {
    color: var(--gray);
}

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

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

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

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 15px 20px;
    border: 2px solid var(--gray-light);
    border-radius: var(--border-radius);
    font-size: 1rem;
    transition: var(--transition);
    font-family: 'Poppins', sans-serif;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(0, 86, 179, 0.1);
}

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

.submit-btn {
    width: 100%;
    padding: 18px;
    font-size: 1.1rem;
    margin-top: 10px;
}

/* Form Status Messages */
.form-status {
    padding: 20px;
    border-radius: var(--border-radius);
    margin-bottom: 25px;
    text-align: center;
    display: none;
    animation: slideIn 0.5s ease;
}

@keyframes slideIn {
    from { opacity: 0; transform: translateY(-20px); }
    to { opacity: 1; transform: translateY(0); }
}

.form-status.success {
    background-color: rgba(40, 167, 69, 0.1);
    color: var(--success);
    border: 2px solid rgba(40, 167, 69, 0.3);
    display: block;
}

.form-status.error {
    background-color: rgba(220, 53, 69, 0.1);
    color: var(--error);
    border: 2px solid rgba(220, 53, 69, 0.3);
    display: block;
}

.form-status i {
    margin-right: 10px;
    font-size: 1.2rem;
}

/* Loading Spinner */
.spinner {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid rgba(255,255,255,.3);
    border-radius: 50%;
    border-top-color: white;
    animation: spin 1s ease-in-out infinite;
    margin-right: 10px;
    vertical-align: middle;
}

/* ===== FOOTER ===== */
.footer {
    background-color: var(--dark);
    color: white;
    padding: 80px 0 30px;
    position: relative;
    overflow: hidden;
}

.footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 5px;
    background: var(--gradient-2);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 50px;
    margin-bottom: 60px;
}

.footer-logo .logo {
    margin-bottom: 25px;
}

.footer-logo .logo-text h3 {
    color: white;
    font-size: 2rem;
}

.footer-logo .logo-text span {
    color: var(--secondary);
}

.footer-logo .logo-text p {
    color: #aaa;
}

.footer-description {
    color: #aaa;
    margin-bottom: 30px;
    line-height: 1.8;
    font-size: 1.1rem;
}

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

.footer-links h4,
.footer-newsletter h4 {
    font-size: 1.5rem;
    margin-bottom: 25px;
    color: white;
    position: relative;
    padding-bottom: 15px;
}

.footer-links h4::after,
.footer-newsletter h4::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 50px;
    height: 3px;
    background: var(--gradient-2);
}

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

.footer-links li {
    margin-bottom: 15px;
}

.footer-links a {
    color: #aaa;
    text-decoration: none;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 10px;
}

.footer-links a::before {
    content: '›';
    color: var(--secondary);
    font-size: 1.2rem;
    transition: var(--transition);
}

.footer-links a:hover {
    color: white;
    gap: 15px;
}

.footer-links a:hover::before {
    transform: translateX(5px);
}

.footer-newsletter p {
    color: #aaa;
    margin-bottom: 25px;
    line-height: 1.8;
}

.newsletter-form {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.newsletter-form input {
    padding: 15px 20px;
    border: 2px solid #444;
    border-radius: 50px;
    background: transparent;
    color: white;
    font-size: 1rem;
    transition: var(--transition);
}

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

.newsletter-form button {
    border-radius: 50px;
    padding: 15px;
}

.copyright {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid #444;
    color: #777;
    font-size: 0.9rem;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.copyright i.fa-heart {
    color: var(--secondary);
    animation: heartbeat 1.5s infinite;
}

@keyframes heartbeat {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.1); }
}

/* ===== BACK TO TOP BUTTON ===== */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: var(--gradient-2);
    color: white;
    border: none;
    border-radius: 50%;
    font-size: 1.2rem;
    cursor: pointer;
    box-shadow: var(--shadow-lg);
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    z-index: 999;
    display: flex;
    align-items: center;
    justify-content: center;
}

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

.back-to-top:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

/* ===== ANIMATIONS ===== */
.animate-on-scroll {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.animate-on-scroll.animated {
    opacity: 1;
    transform: translateY(0);
}

/* ===== RESPONSIVE DESIGN ===== */
@media (max-width: 1200px) {
    .hero-title {
        font-size: 3rem;
    }
    
    .about-content {
        gap: 50px;
    }
}

@media (max-width: 992px) {
    .section-padding {
        padding: 80px 0;
    }
    
    .hero .container {
        flex-direction: column;
        text-align: center;
    }
    
    .hero-content {
        margin-bottom: 60px;
        max-width: 100%;
    }
    
    .hero-image {
        height: 300px;
        width: 100%;
    }
    
    .floating-element {
        width: 70px;
        height: 70px;
        font-size: 2rem;
    }
    
    .services-grid,
    .projects-grid {
        grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    }
    
    .about-content {
        flex-direction: column;
    }
    
    .contact-container {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .header-container {
        flex-wrap: wrap;
    }
    
    .mobile-menu-btn {
        display: flex;
    }
    
    nav {
        position: fixed;
        top: 0;
        right: -100%;
        width: 300px;
        height: 100vh;
        background: white;
        box-shadow: var(--shadow-xl);
        transition: var(--transition);
        z-index: 1000;
        padding-top: 100px;
    }
    
    nav.active {
        right: 0;
    }
    
    nav ul {
        flex-direction: column;
        padding: 0 30px;
    }
    
    nav li {
        margin: 0 0 25px 0;
    }
    
    .nav-link {
        font-size: 1.3rem;
    }
    
    .hero {
        padding: 150px 0 80px;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .section-title h2 {
        font-size: 2.5rem;
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
}

@media (max-width: 576px) {
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-description {
        font-size: 1rem;
    }
    
    .section-title h2 {
        font-size: 2rem;
    }
    
    .services-grid,
    .projects-grid {
        grid-template-columns: 1fr;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .stat-number {
        font-size: 2.8rem;
    }
    
    .contact-form {
        padding: 25px;
    }
    
    .back-to-top {
        bottom: 20px;
        right: 20px;
        width: 45px;
        height: 45px;
    }
}