/* CSS Variables */
:root {
     --primary-color: #1e3a8a;
    --primary-dark: #1e40af;
    --primary-light: #93c5fd;
    --secondary-color: #475569;
    --accent-color: #f97316;
    --success-color: #16a34a;
    --text-dark: #0f172a;
    --text-medium: #334155;
    --text-light: #64748b;
    --bg-light: #f1f5f9;
    --bg-white: #ffffff;
    --border-color: #cbd5f5;
    --shadow-sm: 0 1px 2px rgba(0,0,0,0.06);
    --shadow-md: 0 4px 6px rgba(0,0,0,0.12);
    --shadow-lg: 0 10px 15px rgba(0,0,0,0.15);
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
}

/* Reset & Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Poppins', sans-serif;
    font-size: 16px;
    line-height: 1.6;
    color: var(--text-dark);
    background-color: var(--bg-white);
    overflow-x: hidden;
}

a {
    text-decoration: none;
    color: inherit;
}

ul {
    list-style: none;
}

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

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

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 28px;
    font-size: 16px;
    font-weight: 500;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: all var(--transition-normal);
    font-family: inherit;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    box-shadow: var(--shadow-md);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

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

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

/* Glowing CTA Button */
.glow-btn {
    position: relative;
    overflow: hidden;
}

.glow-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    transition: left 0.5s ease;
}

.glow-btn:hover::before {
    left: 100%;
}

.glow-btn {
    animation: subtle-glow 2s ease-in-out infinite;
}

@keyframes subtle-glow {
    0%, 100% {
        box-shadow: 0 0 5px rgba(0, 0, 0, 0.3);
    }
    50% {
        box-shadow: 0 0 20px rgba(0, 0, 0, 0.6);
    }
}

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-normal);
}

.header.scrolled {
    box-shadow: var(--shadow-md);
}

.header .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 80px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--primary-color);
}

.logo i {
    font-size: 1.8rem;
}

.nav-list {
    display: flex;
    align-items: center;
    gap: 30px;
}

.nav-link {
    font-weight: 500;
    color: var(--text-medium);
    position: relative;
    padding: 5px 0;
    transition: color var(--transition-fast);
}

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

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

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

.header-cta {
    display: flex;
    align-items: center;
}

.mobile-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--text-dark);
    cursor: pointer;
}

/* Hero Section */
.hero {
    padding: 140px 0 80px;
    background: linear-gradient(135deg, #cbd5f5 0%, #dce2f7 50%, #cfd7f5 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
}

.hero .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.hero-title {
    font-size: 3rem;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 20px;
    color: var(--text-dark);
}

.hero-title .highlight {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.2rem;
    color: var(--text-medium);
    margin-bottom: 30px;
}

.hero-buttons {
    display: flex;
    gap: 20px;
    margin-bottom: 50px;
}

.hero-stats {
    display: flex;
    gap: 40px;
}

.stat-item {
    text-align: center;
}

.stat-number {
    display: block;
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary-color);
}

.stat-label {
    font-size: 0.9rem;
    color: var(--text-light);
}

/* Hero Visual */
.hero-visual {
    position: relative;
    height: 400px;
}

.hero-illustration {
    width: 100%;
    height: 100%;
}

/* Floating Cards Animation */
.float-card {
    position: absolute;
    background: white;
    padding: 15px 20px;
    border-radius: 12px;
    box-shadow: var(--shadow-lg);
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 500;
    font-size: 0.9rem;
    animation: float 3s ease-in-out infinite;
}

.float-card i {
    font-size: 1.2rem;
    color: var(--primary-color);
}

.card-1 {
    top: 10%;
    left: 10%;
    animation-delay: 0s;
}

.card-2 {
    top: 25%;
    right: 5%;
    animation-delay: 0.5s;
}

.card-3 {
    bottom: 30%;
    left: 5%;
    animation-delay: 1s;
}

.card-4 {
    bottom: 10%;
    right: 15%;
    animation-delay: 1.5s;
}

@keyframes float {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-15px);
    }
}

/* SVG Animations */
.graph-line {
    stroke-dasharray: 500;
    stroke-dashoffset: 500;
    animation: draw-line 2s ease forwards;
}

@keyframes draw-line {
    to {
        stroke-dashoffset: 0;
    }
}

.bar {
    transform-origin: bottom;
    transform: scaleY(0);
    animation: grow-bar 0.5s ease forwards;
}

.bar1 { animation-delay: 0.5s; }
.bar2 { animation-delay: 0.7s; }
.bar3 { animation-delay: 0.9s; }
.bar4 { animation-delay: 1.1s; }
.bar5 { animation-delay: 1.3s; }

@keyframes grow-bar {
    to {
        transform: scaleY(1);
    }
}

.coin {
    transform: scale(0);
    animation: pop-in 0.5s ease forwards;
    animation-delay: 1.5s;
}

@keyframes pop-in {
    to {
        transform: scale(1);
    }
}

.face {
    transform: scale(0);
    animation: pop-in 0.5s ease forwards;
    animation-delay: 0.3s;
}

.coin-small {
    transform: scale(0);
    animation: pop-in 0.5s ease forwards;
}

.coin-s1 { animation-delay: 2s; }
.coin-s2 { animation-delay: 2.2s; }

.arrow {
    stroke-dasharray: 60;
    stroke-dashoffset: 60;
    animation: draw-arrow 1s ease forwards;
    animation-delay: 2.5s;
}

@keyframes draw-arrow {
    to {
        stroke-dashoffset: 0;
    }
}

/* Section Headers */
.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 10px;
}

.section-subtitle {
    font-size: 1.1rem;
    color: var(--primary-color);
    font-weight: 500;
}

/* About Section */
.about {
    padding: 100px 0;
    background: var(--bg-white);
}

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

.about-text {
    text-align: center;
    margin-bottom: 50px;
}

.about-text p {
    font-size: 1.1rem;
    color: var(--text-medium);
    line-height: 1.8;
}

.about-values {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.value-card {
    background: var(--bg-light);
    padding: 40px 30px;
    border-radius: 16px;
    text-align: center;
    transition: all var(--transition-normal);
    opacity: 0;
    transform: translateY(30px);
}

.value-card.visible {
    opacity: 1;
    transform: translateY(0);
}

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

.value-icon {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
}

.value-icon i {
    font-size: 1.8rem;
    color: white;
}

.value-card h3 {
    font-size: 1.3rem;
    color: var(--text-dark);
    margin-bottom: 10px;
}

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

/* Why Choose Us */
.why-choose-us {
    padding: 100px 0;
    background: linear-gradient(135deg, #cbd5f5 0%, #dce2f7 100%);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
}

.feature-card {
    background: white;
    padding: 40px;
    border-radius: 16px;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
    opacity: 0;
    transform: translateY(30px);
}

.feature-card.visible {
    opacity: 1;
    transform: translateY(0);
}

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

.feature-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
}

.feature-icon i {
    font-size: 1.5rem;
    color: white;
}

.feature-card h3 {
    font-size: 1.3rem;
    color: var(--text-dark);
    margin-bottom: 10px;
}

.feature-summary {
    color: var(--text-medium);
    margin-bottom: 15px;
}

.feature-detail {
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-normal);
}

.feature-card:hover .feature-detail {
    max-height: 100px;
}

.feature-detail p {
    color: var(--text-light);
    font-size: 0.9rem;
    padding-top: 15px;
    border-top: 1px solid var(--border-color);
}

/* Services Section */
.services {
    padding: 100px 0;
    background: var(--bg-white);
}

.service-category {
    background: var(--bg-light);
    border-radius: 20px;
    padding: 40px;
    margin-bottom: 40px;
    opacity: 0;
    transform: translateY(30px);
    transition: all var(--transition-normal);
}

.service-category.visible {
    opacity: 1;
    transform: translateY(0);
}

.service-category:hover {
    box-shadow: var(--shadow-xl);
}

.category-header {
    display: flex;
    align-items: center;
    gap: 20px;
    margin-bottom: 30px;
}

.category-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.category-icon i {
    font-size: 1.5rem;
    color: white;
}

.category-header h3 {
    font-size: 1.5rem;
    color: var(--text-dark);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin-bottom: 25px;
}

.service-item {
    background: white;
    padding: 20px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    gap: 15px;
    transition: all var(--transition-normal);
    cursor: pointer;
}

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

.service-item i {
    font-size: 1.3rem;
    color: var(--primary-color);
}

.service-item span {
    font-weight: 500;
    color: var(--text-dark);
}

.learn-more {
    margin-top: 10px;
}

/* Testimonials Section */
.testimonials {
    padding: 100px 0;
    background: linear-gradient(135deg, #cfd7f5 0%, #cbd5f5 100%);
}

.testimonials-slider {
    position: relative;
    overflow: hidden;
    max-width: 800px;
    margin: 0 auto;
}

.testimonial-track {
    display: flex;
    transition: transform 0.5s ease;
}

.testimonial-card {
    min-width: 100%;
    padding: 0 20px;
}

.testimonial-content {
    background: white;
    padding: 40px;
    border-radius: 20px;
    box-shadow: var(--shadow-lg);
    margin-bottom: 30px;
    position: relative;
}

.testimonial-content i {
    font-size: 2rem;
    color: var(--primary-color);
    opacity: 0.3;
}

.testimonial-content i:last-child {
    position: absolute;
    top: 40px;
    right: 40px;
}

.testimonial-content p {
    font-size: 1.1rem;
    color: var(--text-medium);
    line-height: 1.8;
    margin: 15px 0;
    font-style: italic;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 20px;
    justify-content: center;
}

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

.author-avatar i {
    font-size: 1.5rem;
    color: white;
}

.author-info h4 {
    font-size: 1.1rem;
    color: var(--text-dark);
}

.author-info span {
    font-size: 0.9rem;
    color: var(--text-light);
}

.slider-controls {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 20px;
    margin-top: 30px;
}

.slider-btn {
    width: 45px;
    height: 45px;
    border-radius: 50%;
    border: 2px solid var(--primary-color);
    background: white;
    color: var(--primary-color);
    cursor: pointer;
    transition: all var(--transition-normal);
    display: flex;
    align-items: center;
    justify-content: center;
}

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

.slider-dots {
    display: flex;
    gap: 10px;
}

.slider-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--border-color);
    cursor: pointer;
    transition: all var(--transition-normal);
}

.slider-dot.active {
    background: var(--primary-color);
    transform: scale(1.2);
}

/* FAQ Section */
.faq {
    padding: 100px 0;
    background: var(--bg-white);
}

.faq-container {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    margin-bottom: 15px;
    border-radius: 12px;
    overflow: hidden;
    background: var(--bg-light);
}

.faq-question {
    width: 100%;
    padding: 20px 25px;
    background: none;
    border: none;
    display: flex;
    align-items: center;
    justify-content: space-between;
    cursor: pointer;
    font-size: 1rem;
    font-weight: 500;
    color: var(--text-dark);
    text-align: left;
    transition: all var(--transition-normal);
}

.faq-question:hover {
    color: var(--primary-color);
}

.faq-question i {
    transition: transform var(--transition-normal);
}

.faq-item.active .faq-question i {
    transform: rotate(45deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-normal);
}

.faq-item.active .faq-answer {
    max-height: 200px;
}

.faq-answer p {
    padding: 0 25px 20px;
    color: var(--text-medium);
    line-height: 1.7;
}

/* Contact Section */
.contact {
    padding: 100px 0;
    background: linear-gradient(135deg, #cbd5f5 0%, #dce2f7 100%);
}

.contact-content {
    max-width: 600px;
    margin: 0 auto;
    position: relative;
}

.contact-form {
    background: white;
    padding: 40px;
    border-radius: 20px;
    box-shadow: var(--shadow-lg);
}

.contact-form .form-group {
    margin-bottom: 20px;
}

.contact-form label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: var(--text-dark);
}

.contact-form input,
.contact-form textarea {
    width: 100%;
    padding: 14px 18px;
    border: 2px solid var(--border-color);
    border-radius: 10px;
    font-size: 1rem;
    font-family: inherit;
    transition: border-color var(--transition-fast);
}

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

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

.contact-form .btn {
    width: 100%;
    margin-top: 10px;
}

.contact-success {
    display: none;
    text-align: center;
    padding: 40px;
    background: white;
    border-radius: 20px;
    box-shadow: var(--shadow-lg);
    opacity: 0;
    transform: translateY(20px);
    transition: all var(--transition-normal);
}

.contact-success.show {
    display: block;
    opacity: 1;
    transform: translateY(0);
}

.contact-success i {
    font-size: 4rem;
    color: var(--success-color);
    margin-bottom: 20px;
}

.contact-success h3 {
    font-size: 1.5rem;
    color: var(--text-dark);
    margin-bottom: 10px;
}

.contact-success p {
    color: var(--text-medium);
}

/* Newsletter Section */
/* Newsletter Section */
.newsletter {
    padding: 80px 20px;
    background: linear-gradient(135deg, #1e40af, #0d2985, #3e63df);
    color: #ffffff;
}

.newsletter .container {
    max-width: 1100px;
    margin: 0 auto;
}

.newsletter-content {
    background: #ffffff;
    color: #333;
    border-radius: 12px;
    padding: 50px;
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
}

/* Text Area */
.newsletter-text {
    text-align: center;
    margin-bottom: 40px;
}

.newsletter-text h2 {
    font-size: 2.2rem;
    margin-bottom: 10px;
    color: #0d2985;
}

.newsletter-text p {
    font-size: 1rem;
    color: #555;
}

/* Form */
.newsletter-form {
    width: 100%;
}

.form-row {
    display: flex;
    gap: 20px;
    margin-bottom: 20px;
}

.form-group {
    flex: 1;
    display: flex;
    flex-direction: column;
}

.form-group label {
    font-size: 0.9rem;
    margin-bottom: 6px;
    color: #444;
}

.form-group input {
    padding: 12px 14px;
    border-radius: 6px;
    border: 1px solid #ccc;
    font-size: 0.95rem;
    transition: border-color 0.3s, box-shadow 0.3s;
}

.form-group input:focus {
    outline: none;
    border-color: #0d2985;
    box-shadow: 0 0 0 2px rgba(44, 83, 100, 0.2);
}

/* Checkbox */
.checkbox-group {
    display: flex;
    align-items: center;
}

.checkbox-label {
    display: flex;
    align-items: center;
    cursor: pointer;
    font-size: 0.9rem;
    color: #444;
}

.checkbox-label input {
    display: none;
}

.checkmark {
    width: 18px;
    height: 18px;
    border: 2px solid #0d2985;
    border-radius: 4px;
    margin-right: 10px;
    position: relative;
}

.checkbox-label input:checked + .checkmark::after {
    content: "";
    position: absolute;
    left: 4px;
    top: 0px;
    width: 6px;
    height: 12px;
    border: solid #0d2985;
    border-width: 0 2px 2px 0;
    transform: rotate(45deg);
}

/* Button */
.btn {
    display: inline-block;
    padding: 14px 28px;
    border-radius: 30px;
    border: none;
    font-size: 1rem;
    cursor: pointer;
    transition: background 0.3s, transform 0.2s, box-shadow 0.2s;
}

.btn-primary {
    background: #0d2985;
    color: #fff;
    margin-top: 10px;
}

.btn-primary:hover {
    background: #0d2985;
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
}

/* Success Message */
.newsletter-success {
    display: none;
    text-align: center;
    margin-top: 40px;
}

.newsletter-success i {
    font-size: 3rem;
    color: #0d2985;
    margin-bottom: 15px;
}

.newsletter-success h3 {
    font-size: 1.6rem;
    margin-bottom: 8px;
}

.newsletter-success p {
    color: #555;
}

/* Fade-in Animation */
.fade-in {
    animation: fadeInUp 1s ease forwards;
}

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

/* Responsive */
@media (max-width: 768px) {
    .newsletter-content {
        padding: 30px 20px;
    }

    .form-row {
        flex-direction: column;
    }

    .newsletter-text h2 {
        font-size: 1.8rem;
    }
}


/* Footer */
.footer {
    background: var(--text-dark);
    padding: 80px 0 30px;
    color: white;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 40px;
    margin-bottom: 50px;
}

.footer-section h3 {
    font-size: 1.2rem;
    margin-bottom: 25px;
    color: white;
}

.footer-section ul li {
    margin-bottom: 12px;
}

.footer-section ul li a {
    color: var(--text-light);
    transition: color var(--transition-fast);
}

.footer-section ul li a:hover {
    color: var(--primary-light);
}

.contact-list li {
    display: flex;
    align-items: center;
    gap: 12px;
    color: var(--text-light);
}

.contact-list li i {
    color: var(--primary-light);
    width: 20px;
}

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

.social-link {
    width: 45px;
    height: 45px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-normal);
}

.social-link:hover {
    background: var(--primary-color);
    transform: translateY(-5px);
}

.social-link i {
    color: white;
}

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-bottom p {
    color: var(--text-light);
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.6);
    z-index: 2000;
    align-items: center;
    justify-content: center;
    padding: 20px;
    opacity: 0;
    transition: opacity var(--transition-normal);
}

.modal.show {
    display: flex;
    opacity: 1;
}

.modal-content {
    background: white;
    border-radius: 20px;
    max-width: 600px;
    width: 100%;
    max-height: 80vh;
    overflow-y: auto;
    position: relative;
    transform: scale(0.9);
    transition: transform var(--transition-normal);
}

.modal.show .modal-content {
    transform: scale(1);
}

.modal-close {
    position: absolute;
    top: 15px;
    right: 20px;
    background: none;
    border: none;
    font-size: 2rem;
    color: var(--text-light);
    cursor: pointer;
    transition: color var(--transition-fast);
}

.modal-close:hover {
    color: var(--text-dark);
}

.modal-content h2 {
    padding: 30px 30px 20px;
    font-size: 1.8rem;
    color: var(--text-dark);
}

.modal-body {
    padding: 0 30px 30px;
}

.modal-body h3 {
    font-size: 1.2rem;
    color: var(--text-dark);
    margin: 20px 0 10px;
}

.modal-body p {
    color: var(--text-medium);
    line-height: 1.7;
}

/* Scroll to Top */
.scroll-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border: none;
    border-radius: 50%;
    color: white;
    font-size: 1.2rem;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: all var(--transition-normal);
    z-index: 999;
    box-shadow: var(--shadow-lg);
}

.scroll-top.show {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

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

/* Fade In Animation Classes */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

.delay-1 { transition-delay: 0.1s; }
.delay-2 { transition-delay: 0.2s; }
.delay-3 { transition-delay: 0.3s; }
.delay-4 { transition-delay: 0.4s; }

/* Responsive Design */
@media (max-width: 992px) {
    .hero .container {
        grid-template-columns: 1fr;
        text-align: center;
    }

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

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

    .hero-visual {
        display: none;
    }

    .about-values {
        grid-template-columns: 1fr;
    }

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

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

@media (max-width: 768px) {
    .nav {
        display: none;
        position: absolute;
        top: 80px;
        left: 0;
        right: 0;
        background: white;
        box-shadow: var(--shadow-md);
        padding: 20px;
    }

    .nav.active {
        display: block;
    }

    .nav-list {
        flex-direction: column;
        gap: 15px;
    }

    .header-cta {
        display: none;
    }

    .mobile-toggle {
        display: block;
    }

    .hero {
        padding: 120px 0 60px;
    }

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

    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }

    .hero-stats {
        flex-direction: column;
        gap: 20px;
    }

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

    .service-category {
        padding: 25px;
    }

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

    .newsletter-form .form-row {
        grid-template-columns: 1fr;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .contact-list li {
        justify-content: center;
    }

    .social-links {
        justify-content: center;
    }
}

/* Number Counter Animation */
.stat-number {
    transition: all 0.1s ease;
}

/* Loading Animation */
.loading {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: white;
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: opacity 0.5s ease;
}

.loading.hidden {
    opacity: 0;
    pointer-events: none;
}

.loading-spinner {
    width: 50px;
    height: 50px;
    border: 4px solid var(--border-color);
    border-top-color: var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}