/* ============================================
   المتغيرات العامة - نظام الثيم
   ============================================ */
:root {
    /* الألوان الأساسية */
    --primary: #1a73e8;
    --primary-dark: #0d47a1;
    --secondary: #00bcd4;
    --accent: #ff6b35;
    
    /* الألوان حسب الوضع النهاري */
    --bg: #ffffff;
    --bg-secondary: #f8f9fa;
    --bg-card: #ffffff;
    --text: #1a1a1a;
    --text-muted: #6c757d;
    --border: #e0e0e0;
    --shadow: rgba(0, 0, 0, 0.1);
    --shadow-hover: rgba(0, 0, 0, 0.15);
    
    /* الخطوط */
    --font-primary: 'Cairo', sans-serif;
    --font-secondary: 'Tajawal', sans-serif;
    
    /* الأحجام */
    --nav-height: 80px;
    --border-radius: 12px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* الوضع الليلي */
[data-theme="dark"] {
    --bg: #0a0a0a;
    --bg-secondary: #1a1a1a;
    --bg-card: #1e1e1e;
    --text: #f5f5f5;
    --text-muted: #a0a0a0;
    --border: #333333;
    --shadow: rgba(0, 0, 0, 0.3);
    --shadow-hover: rgba(0, 0, 0, 0.5);
}

/* الوضع الليلي التلقائي */
@media (prefers-color-scheme: dark) {
    :root:not([data-theme="light"]) {
        --bg: #0a0a0a;
        --bg-secondary: #1a1a1a;
        --bg-card: #1e1e1e;
        --text: #f5f5f5;
        --text-muted: #a0a0a0;
        --border: #333333;
        --shadow: rgba(0, 0, 0, 0.3);
        --shadow-hover: rgba(0, 0, 0, 0.5);
    }
}

/* ============================================
   الإعدادات العامة
   ============================================ */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-primary);
    background-color: var(--bg);
    color: var(--text);
    line-height: 1.7;
    overflow-x: hidden;
    transition: var(--transition);
}

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

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

/* ============================================
   Navbar
   ============================================ */
.navbar-custom {
    background-color: var(--bg-card);
    border-bottom: 1px solid var(--border);
    padding: 1rem 0;
    box-shadow: 0 2px 10px var(--shadow);
    transition: var(--transition);
    z-index: 1000;
}

.navbar-brand {
    font-size: 1.8rem;
    font-weight: 900;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

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

.brand-en {
    font-size: 0.9rem;
    color: var(--text-muted);
    font-weight: 400;
}

.navbar-nav .nav-link {
    color: var(--text);
    font-weight: 500;
    padding: 0.5rem 1rem;
    position: relative;
    font-size: 1rem;
}

.navbar-nav .nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    right: 50%;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    transition: var(--transition);
}

.navbar-nav .nav-link:hover::after,
.navbar-nav .nav-link.active::after {
    width: 100%;
    right: 0;
}

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

.btn-theme-toggle {
    background: transparent;
    border: 1px solid transparent;
    color: var(--text);
    width: 45px;
    height: 45px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition);
}

.btn-theme-toggle:hover {
    background: transparent;
    color: #1d4782;
    transform: rotate(180deg);
}

.btn-primary-custom {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: white;
    padding: 0.75rem 1.5rem;
    border-radius: var(--border-radius);
    font-weight: 600;
    border: none;
    transition: var(--transition);
}

.btn-primary-custom:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(26, 115, 232, 0.4);
    color: white;
}

.btn-outline-custom {
    background: transparent;
    color: var(--primary);
    border: 2px solid var(--primary);
    padding: 0.75rem 1.5rem;
    border-radius: var(--border-radius);
    font-weight: 600;
    transition: var(--transition);
}

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

/* ============================================
   Hero Section
   ============================================ */
.hero-section {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    padding: 30px 0 80px;
    overflow: hidden;
}

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

.shape {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.15;
    animation: float 20s infinite ease-in-out;
}

.shape-1 {
    width: 500px;
    height: 500px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    top: -100px;
    left: -100px;
}

.shape-2 {
    width: 400px;
    height: 400px;
    background: linear-gradient(135deg, var(--secondary), var(--accent));
    bottom: -100px;
    right: -100px;
    animation-delay: 5s;
}

.shape-3 {
    width: 300px;
    height: 300px;
    background: linear-gradient(135deg, var(--accent), var(--primary));
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    animation-delay: 10s;
}

@keyframes float {
    0%, 100% {
        transform: translateY(0) rotate(0deg);
    }
    50% {
        transform: translateY(-30px) rotate(180deg);
    }
}

.hero-content {
    padding-left: 2rem;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 900;
    line-height: 1.2;
    margin-bottom: 1.5rem;
}

.gradient-text {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    display: inline-block;
}

.hero-description {
    font-size: 1.25rem;
    color: var(--text-muted);
    margin-bottom: 2rem;
    max-width: 600px;
}

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

.hero-stats {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.stat-card {
    background: var(--bg-card);
    padding: 1.5rem;
    border-radius: var(--border-radius);
    display: flex;
    align-items: center;
    gap: 1rem;
    box-shadow: 0 4px 15px var(--shadow);
    transition: var(--transition);
}

.stat-card:hover {
    transform: translateX(-10px);
    box-shadow: 0 6px 20px var(--shadow-hover);
}

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

.stat-info h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 0.25rem;
}

.stat-info p {
    color: var(--text-muted);
    margin: 0;
    font-size: 0.9rem;
}

/* ============================================
   Sections العامة
   ============================================ */
.section-padding {
    padding: 100px 0;
}

.section-header {
    margin-bottom: 3rem;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 900;
    margin-bottom: 1rem;
}

.title-line {
    width: 80px;
    height: 4px;
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    border-radius: 2px;
    margin-bottom: 1rem;
}

.section-subtitle {
    font-size: 1.1rem;
    color: var(--text-muted);
    max-width: 600px;
}

/* ============================================
   About Section
   ============================================ */
.about-section {
    background: var(--bg-secondary);
}

.about-content .lead {
    font-size: 1.2rem;
    margin-bottom: 1rem;
}

.features-grid {
    display: grid;
    gap: 1.5rem;
}

.feature-box {
    background: var(--bg-card);
    padding: 2rem;
    border-radius: var(--border-radius);
    box-shadow: 0 4px 15px var(--shadow);
    transition: var(--transition);
}

.feature-box:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px var(--shadow-hover);
}

.feature-icon {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    border-radius: var(--border-radius);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: white;
    margin-bottom: 1rem;
}

.feature-box h4 {
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
}

.feature-box p {
    color: var(--text-muted);
    margin: 0;
}

/* ============================================
   Partners Slider
   ============================================ */
.partners-section {
    background: var(--bg-card);
    padding: 3rem 0;
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
    overflow: hidden;
}

.partners-slider {
    position: relative;
    overflow: hidden;
}

.partners-track {
    display: flex;
    gap: 4rem;
    animation: slide 30s linear infinite;
}

.partners-track:hover {
    animation-play-state: paused;
}

.partner-logo {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    min-width: 150px;
}

.partner-logo img {
    width: 120px;
    height: 60px;
    object-fit: contain;
    filter: grayscale(100%);
    opacity: 0.6;
    transition: var(--transition);
}

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

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

/* ============================================
   Services Section
   ============================================ */
.service-card {
    background: var(--bg-card);
    padding: 2.5rem;
    border-radius: var(--border-radius);
    box-shadow: 0 4px 15px var(--shadow);
    transition: var(--transition);
    height: 100%;
    border: 2px solid transparent;
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 30px var(--shadow-hover);
    border-color: var(--primary);
}

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

.service-card h3 {
    font-size: 1.4rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.service-card p {
    color: var(--text-muted);
    margin: 0;
    line-height: 1.6;
}

/* ============================================
   Solutions Section
   ============================================ */
.solutions-section {
    background: var(--bg-secondary);
}

.solution-tabs {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 1rem;
    border: none;
}

.solution-tabs .nav-link {
    background: var(--bg-card);
    border: 2px solid var(--border);
    color: var(--text);
    padding: 1rem 2rem;
    border-radius: var(--border-radius);
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 600;
    transition: var(--transition);
}

.solution-tabs .nav-link i {
    font-size: 1.5rem;
}

.solution-tabs .nav-link:hover {
    background: var(--primary);
    color: white;
    border-color: var(--primary);
}

.solution-tabs .nav-link.active {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: white;
    border-color: transparent;
}

.solution-content h3 {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 2rem;
}

.solution-features h5 {
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.solution-features h5 i {
    color: var(--primary);
}

.solution-features ul {
    list-style: none;
    padding: 0;
}

.solution-features ul li {
    padding: 0.75rem 0;
    padding-right: 2rem;
    position: relative;
    color: var(--text-muted);
}

.solution-features ul li::before {
    content: '◀';
    position: absolute;
    right: 0;
    color: var(--primary);
    font-size: 0.8rem;
}

.solution-visual {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100%;
}

.visual-card {
    width: 300px;
    height: 300px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    border-radius: 20px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    color: white;
    box-shadow: 0 10px 40px rgba(26, 115, 232, 0.3);
    animation: pulse 3s infinite;
}

.visual-card i {
    font-size: 5rem;
}

.visual-card span {
    font-size: 1.5rem;
    font-weight: 700;
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
}

/* ============================================
   Projects Section
   ============================================ */
.project-card {
    background: var(--bg-card);
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: 0 4px 15px var(--shadow);
    transition: var(--transition);
    cursor: pointer;
    height: 100%;
}

.project-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 30px var(--shadow-hover);
}

.project-image {
    height: 200px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    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 i {
    font-size: 3rem;
    color: white;
}

.project-content {
    padding: 1.5rem;
}

.project-tags {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 1rem;
    flex-wrap: wrap;
}

.tag {
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
}

.tag-ai {
    background: linear-gradient(135deg, #667eea, #764ba2);
    color: white;
}

.tag-automation {
    background: linear-gradient(135deg, #f093fb, #f5576c);
    color: white;
}

.tag-erp {
    background: linear-gradient(135deg, #4facfe, #00f2fe);
    color: white;
}

.project-content h3 {
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.project-sector {
    color: var(--text-muted);
    font-size: 0.9rem;
    margin-bottom: 0.75rem;
}

.project-brief {
    color: var(--text-muted);
    font-size: 0.95rem;
    margin: 0;
}

/* Modal التخصيص */
.modal-content {
    background: var(--bg-card);
    color: var(--text);
    border: 1px solid var(--border);
    border-radius: var(--border-radius);
}

.modal-header {
    border-bottom: 1px solid var(--border);
}

.modal-title {
    font-weight: 700;
}

.btn-close {
    filter: var(--text) == #1a1a1a ? invert(0) : invert(1);
}

/* ============================================
   Blog Section
   ============================================ */
.blog-section {
    background: var(--bg-secondary);
}

.blog-card {
    background: var(--bg-card);
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: 0 4px 15px var(--shadow);
    transition: var(--transition);
    height: 100%;
}

.blog-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 30px var(--shadow-hover);
}

.blog-image {
    height: 200px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    position: relative;
}

.blog-date {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: white;
    padding: 0.75rem;
    border-radius: var(--border-radius);
    text-align: center;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
}

.blog-date .day {
    display: block;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary);
}

.blog-date .month {
    display: block;
    font-size: 0.85rem;
    color: var(--text-muted);
}

.blog-content {
    padding: 1.5rem;
}

.blog-content h3 {
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.blog-content p {
    color: var(--text-muted);
    margin-bottom: 1rem;
}

.blog-link {
    color: var(--primary);
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    transition: var(--transition);
}

.blog-link:hover {
    gap: 1rem;
}

/* ============================================
   FAQ Section
   ============================================ */
.custom-accordion .accordion-item {
    background: var(--bg-card);
    border: 1px solid var(--border);
    margin-bottom: 1rem;
    border-radius: var(--border-radius);
    overflow: hidden;
}

.custom-accordion .accordion-button {
    background: var(--bg-card);
    color: var(--text);
    font-weight: 600;
    font-size: 1.1rem;
    padding: 1.25rem 1.5rem;
    display: flex;
    align-items: center;
    gap: 1rem;
}

.custom-accordion .accordion-button i {
    color: var(--primary);
    font-size: 1.5rem;
}

.custom-accordion .accordion-button:not(.collapsed) {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: white;
}

.custom-accordion .accordion-button:not(.collapsed) i {
    color: white;
}

.custom-accordion .accordion-button:focus {
    box-shadow: none;
    border-color: var(--border);
}

.custom-accordion .accordion-body {
    padding: 1.5rem;
    color: var(--text-muted);
    line-height: 1.8;
}

/* ============================================
   CTA Section
   ============================================ */
.cta-section {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    padding: 100px 0;
    color: white;
    text-align: center;
}

.cta-title {
    font-size: 2.5rem;
    font-weight: 900;
    margin-bottom: 1rem;
}

.cta-subtitle {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

.cta-section .btn-light {
    background: white;
    color: var(--primary);
    padding: 1rem 2.5rem;
    border-radius: var(--border-radius);
    font-weight: 700;
    border: none;
    transition: var(--transition);
}

.cta-section .btn-light:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(255, 255, 255, 0.3);
}

/* ============================================
   Contact Section
   ============================================ */
.contact-info {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.info-box {
    background: var(--bg-card);
    padding: 1.5rem;
    border-radius: var(--border-radius);
    display: flex;
    gap: 1.5rem;
    box-shadow: 0 4px 15px var(--shadow);
    transition: var(--transition);
}

.info-box:hover {
    transform: translateX(-10px);
    box-shadow: 0 6px 20px var(--shadow-hover);
}

.info-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: white;
    flex-shrink: 0;
}

.info-content h4 {
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.info-content p,
.info-content a {
    color: var(--text-muted);
    margin: 0;
}

.info-content a:hover {
    color: var(--primary);
}

.social-links h4 {
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

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

.social-icons a {
    width: 45px;
    height: 45px;
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    color: var(--text);
    transition: var(--transition);
}

.social-icons a:hover {
    background: var(--primary);
    color: white;
    transform: translateY(-3px);
}

.contact-form {
    background: var(--bg-card);
    padding: 2.5rem;
    border-radius: var(--border-radius);
    box-shadow: 0 4px 15px var(--shadow);
}

.form-label {
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--text);
}

.required {
    color: var(--accent);
}

.form-control,
.form-select {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    color: var(--text);
    padding: 0.75rem 1rem;
    border-radius: var(--border-radius);
    transition: var(--transition);
}

.form-control:focus,
.form-select:focus {
    background: var(--bg-secondary);
    border-color: var(--primary);
    box-shadow: 0 0 0 0.2rem rgba(26, 115, 232, 0.15);
    color: var(--text);
}

.invalid-feedback {
    display: none;
    color: var(--accent);
    font-size: 0.875rem;
    margin-top: 0.25rem;
}

.was-validated .form-control:invalid ~ .invalid-feedback,
.was-validated .form-select:invalid ~ .invalid-feedback {
    display: block;
}

.btn-primary-custom .btn-text {
    margin-left: 0.5rem;
}

.alert {
    border-radius: var(--border-radius);
}

.alert-success {
    background: #d4edda;
    border-color: #c3e6cb;
    color: #155724;
}

.alert-danger {
    background: #f8d7da;
    border-color: #f5c6cb;
    color: #721c24;
}

/* ============================================
   Footer
   ============================================ */
.footer {
    background: var(--bg-secondary);
    padding: 60px 0 20px;
    border-top: 1px solid var(--border);
}

.footer-brand {
    font-size: 1.8rem;
    font-weight: 900;
    margin-bottom: 1rem;
}

.footer-brand span {
    color: var(--text-muted);
    font-size: 1rem;
    font-weight: 400;
}

.footer-about p {
    color: var(--text-muted);
    line-height: 1.8;
}

.footer-links h4,
.footer-contact h4 {
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
}

.footer-links ul,
.footer-contact ul {
    list-style: none;
    padding: 0;
}

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

.footer-links ul li a {
    color: var(--text-muted);
    transition: var(--transition);
}

.footer-links ul li a:hover {
    color: var(--primary);
    padding-right: 5px;
}

.footer-contact ul li {
    color: var(--text-muted);
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.footer-contact ul li i {
    color: var(--primary);
}

.footer-bottom {
    margin-top: 3rem;
    padding-top: 2rem;
    border-top: 1px solid var(--border);
}

.footer-bottom p {
    color: var(--text-muted);
    margin: 0;
}

.footer-social {
    display: flex;
    gap: 1rem;
    justify-content: center;
}

.footer-social a {
    width: 40px;
    height: 40px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text);
    transition: var(--transition);
}

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

/* ============================================
   الحركات - Animations
   ============================================ */
.fade-in {
    opacity: 0;
    animation: fadeIn 1s ease-out forwards;
}

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

.reveal-text,
.reveal-card,
.reveal-box {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.reveal-text.visible,
.reveal-card.visible,
.reveal-box.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ============================================
   Responsive
   ============================================ */
@media (max-width: 991px) {
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-content {
        padding-left: 0;
        margin-bottom: 3rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .cta-title {
        font-size: 2rem;
    }
    
    .solution-tabs .nav-link {
        padding: 0.75rem 1.25rem;
        font-size: 0.9rem;
    }
    
    .footer-social {
        justify-content: flex-start;
        margin-top: 1rem;
    }
}

@media (max-width: 767px) {
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-description {
        font-size: 1.1rem;
    }
    
    .hero-cta {
        flex-direction: column;
    }
    
    .hero-cta .btn {
        width: 100%;
    }
    
    .section-title {
        font-size: 1.75rem;
    }
    
    .section-padding {
        padding: 60px 0;
    }
    
    .cta-section {
        padding: 60px 0;
    }
    
    .cta-title {
        font-size: 1.75rem;
    }
    
    .solution-tabs {
        flex-direction: column;
    }
    
    .solution-tabs .nav-link {
        width: 100%;
        justify-content: center;
    }
    
    .navbar-nav {
        padding-top: 1rem;
    }
    
    .navbar-nav .nav-link {
        padding: 0.75rem 0;
    }
}

@media (max-width: 575px) {
    html {
        font-size: 14px;
    }
    
    .hero-title {
        font-size: 1.75rem;
    }
    
    .stat-card {
        flex-direction: column;
        text-align: center;
    }
    
    .visual-card {
        width: 250px;
        height: 250px;
    }
    
    .visual-card i {
        font-size: 3.5rem;
    }
    
    .visual-card span {
        font-size: 1.2rem;
    }
}