/**
 * FleetGemini Landing Page - Styles CSS
 * ======================================
 * Styles modernes et responsives pour la landing page FleetGemini
 */

/* Reset et base */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    -webkit-tap-highlight-color: transparent;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: #2c3e50;
    background: #ffffff;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Animated background */
.bg-animation {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    opacity: 0;
}

.bg-animation::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at 20% 80%, #1e3a8a 0%, transparent 50%),
                radial-gradient(circle at 80% 20%, #3b82f6 0%, transparent 50%),
                radial-gradient(circle at 40% 40%, #60a5fa 0%, transparent 50%);
    animation: float 15s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    33% { transform: translateY(-20px) rotate(1deg); }
    66% { transform: translateY(10px) rotate(-1deg); }
}

/* Header */
header {
    position: fixed;
    top: 0;
    width: 100%;
    padding: 0.75rem 1rem;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(0, 0, 0, 0.1);
    z-index: 1000;
    transition: all 0.3s ease;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    position: relative;
}

.logo {
    font-size: 1.4rem;
    font-weight: 700;
    color: #1e3a8a;
    flex-shrink: 0;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: #333333;
    padding: 0.5rem;
    min-width: 44px;
    min-height: 44px;
    align-items: center;
    justify-content: center;
    border-radius: 8px;
    transition: background-color 0.3s ease;
}

.mobile-menu-toggle:hover {
    background-color: rgba(30, 58, 138, 0.1);
}

.nav-links.mobile-menu {
    position: fixed;
    top: 60px;
    left: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(10px);
    flex-direction: column;
    gap: 0;
    padding: 1rem 0;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    transform: translateY(-100%);
    opacity: 0;
    transition: all 0.3s ease;
    z-index: 999;
    display: flex;
}

.nav-links.mobile-menu.active {
    transform: translateY(0);
    opacity: 1;
}

.nav-links.mobile-menu li {
    padding: 0.75rem 2rem;
    border-bottom: 1px solid #f1f3f4;
}

.nav-links.mobile-menu a {
    display: block;
    font-size: 1.1rem;
}

.nav-links a {
    color: #2c3e50;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: #1e3a8a;
    transition: width 0.3s ease;
}

.nav-links a:hover {
    color: #1e3a8a;
}

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

.cta-button {
    background: #1e3a8a;
    color: #ffffff;
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: 6px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s ease;
    box-shadow: 0 2px 8px rgba(30, 58, 138, 0.2);
    min-height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    white-space: nowrap;
}

.cta-button:hover {
    background: #1d4ed8;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(30, 58, 138, 0.3);
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 8rem 2rem 2rem;
    position: relative;
    background: #ffffff;
}

.hero-content {
    max-width: 800px;
    animation: fadeInUp 1s ease-out;
}

.hero h1 {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 700;
    margin-bottom: 1.5rem;
    color: #1e3a8a;
    line-height: 1.1;
}

.hero p {
    font-size: 1.25rem;
    margin-bottom: 2.5rem;
    color: #475569;
    line-height: 1.7;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.vehicle-types {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin: 2rem 0;
    flex-wrap: wrap;
}

.vehicle-type {
    background: white;
    padding: 1rem 1.5rem;
    border-radius: 15px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    border: 2px solid #f1f3f4;
    transition: all 0.3s ease;
}

.vehicle-type:hover {
    border-color: #0066cc;
    transform: translateY(-3px);
}

.vehicle-type span {
    font-size: 2rem;
    display: block;
    margin-bottom: 0.5rem;
}

.pricing {
    background: #1e3a8a;
    color: white;
    padding: 1rem 2rem;
    border-radius: 6px;
    font-size: 1.2rem;
    font-weight: 600;
    margin: 2rem 0;
    display: inline-block;
    box-shadow: 0 3px 10px rgba(30, 58, 138, 0.2);
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
    margin-top: 2rem;
}

.btn-primary {
    background: #1e3a8a;
    color: #ffffff;
    padding: 1rem 2rem;
    border: none;
    border-radius: 6px;
    font-size: 1.1rem;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s ease;
    box-shadow: 0 3px 10px rgba(30, 58, 138, 0.2);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    min-height: 48px;
    touch-action: manipulation;
}

.btn-secondary {
    background: transparent;
    color: #1e3a8a;
    padding: 1rem 2rem;
    border: 2px solid #1e3a8a;
    border-radius: 6px;
    font-size: 1.1rem;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 48px;
    touch-action: manipulation;
}

.btn-primary:hover {
    background: #1d4ed8;
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(30, 58, 138, 0.3);
}

.btn-secondary:hover {
    background: #1e3a8a;
    color: white;
}

.btn-whatsapp {
    background: #25d366;
    color: #ffffff;
    padding: 1rem 2rem;
    border: none;
    border-radius: 6px;
    font-size: 1.1rem;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    min-height: 48px;
    touch-action: manipulation;
    box-shadow: 0 3px 10px rgba(37, 211, 102, 0.3);
}

.btn-whatsapp:hover {
    background: #128c7e;
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(37, 211, 102, 0.4);
}

/* Section Styling */
.section {
    padding: 5rem 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: #1e3a8a;
}

.section-subtitle {
    text-align: center;
    font-size: 1.1rem;
    color: #64748b;
    margin-bottom: 4rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* Features Section */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.feature-card {
    background: white;
    border: 1px solid #e9ecef;
    border-radius: 20px;
    padding: 2.5rem;
    text-align: center;
    transition: all 0.3s ease;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
}

.feature-card:hover {
    transform: translateY(-5px);
    border-color: #1e3a8a;
    box-shadow: 0 15px 30px rgba(30, 58, 138, 0.1);
}

.feature-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 1.5rem;
    background: #1e3a8a;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: white;
}

.feature-card h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: #1e3a8a;
}

.feature-card p {
    color: #64748b;
    line-height: 1.6;
}

/* About Section */
.about-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 4rem;
    align-items: start;
}

.about-tabs {
    background: white;
    border-radius: 16px;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
    overflow: hidden;
}

.tab-navigation {
    display: flex;
    background: #f8fafc;
    border-bottom: 1px solid #e2e8f0;
}

.tab-btn {
    flex: 1;
    padding: 1rem 1.5rem;
    background: none;
    border: none;
    font-weight: 600;
    color: #64748b;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
}

.tab-btn:hover {
    color: #1e3a8a;
    background: #ffffff;
}

.tab-btn.active {
    color: #1e3a8a;
    background: #ffffff;
}

.tab-btn.active::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: #1e3a8a;
}

.tab-content {
    padding: 2.5rem;
    min-height: 200px;
}

.tab-panel {
    display: none;
    text-align: center;
    animation: fadeInTab 0.4s ease-in-out;
}

.tab-panel.active {
    display: block;
}

.tab-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
    display: block;
}

.tab-panel h3 {
    color: #1e3a8a;
    font-size: 1.5rem;
    margin-bottom: 1rem;
    font-weight: 600;
}

.tab-panel p {
    color: #64748b;
    line-height: 1.7;
    font-size: 1.1rem;
}

@keyframes fadeInTab {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.about-stats {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
}

.stat-item {
    text-align: center;
    padding: 1.5rem;
    background: white;
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
}

.stat-item h3 {
    font-size: 2.5rem;
    font-weight: 700;
    color: #1e3a8a;
    margin-bottom: 0.5rem;
}

.stat-item p {
    color: #64748b;
    font-weight: 500;
}

/* FAQ Section */
.faq {
    background: #f8fafc;
}

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

.faq-item {
    background: white;
    border-radius: 12px;
    margin-bottom: 1rem;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
    overflow: hidden;
    transition: all 0.3s ease;
}

.faq-item:hover {
    box-shadow: 0 4px 16px rgba(30, 58, 138, 0.1);
}

.faq-question {
    padding: 1.5rem 2rem;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: white;
    transition: all 0.3s ease;
    border-bottom: 1px solid transparent;
}

.faq-question:hover {
    background: #f8fafc;
}

.faq-question h3 {
    font-size: 1.1rem;
    font-weight: 600;
    color: #1e3a8a;
    margin: 0;
    flex: 1;
    line-height: 1.4;
}

.faq-toggle {
    font-size: 1.5rem;
    font-weight: 300;
    color: #1e3a8a;
    transition: transform 0.3s ease;
    margin-left: 1rem;
    flex-shrink: 0;
}

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

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: all 0.3s ease;
    background: #f8fafc;
}

.faq-item.active .faq-answer {
    max-height: 200px;
    padding: 0 2rem 1.5rem;
}

.faq-answer p {
    color: #64748b;
    line-height: 1.6;
    margin: 1rem 0 0 0;
}

/* Integrations Section */
.integrations {
    background: #f8fafc;
}

.integrations-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.integration-category {
    background: white;
    border-radius: 16px;
    padding: 2rem;
    text-align: center;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
}

.integration-category:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(30, 58, 138, 0.15);
}

.category-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.integration-category h3 {
    color: #1e3a8a;
    font-size: 1.3rem;
    margin-bottom: 1.5rem;
    font-weight: 600;
}

.integration-items {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.integration-item {
    background: #f8fafc;
    padding: 0.5rem 1rem;
    border-radius: 8px;
    font-size: 0.9rem;
    color: #64748b;
    font-weight: 500;
}

.integration-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 2rem;
    max-width: 600px;
    margin: 0 auto;
}

.stat-highlight {
    text-align: center;
    background: white;
    padding: 1.5rem;
    border-radius: 12px;
    box-shadow: 0 3px 10px rgba(0, 0, 0, 0.08);
}

.stat-highlight h3 {
    font-size: 2rem;
    color: #1e3a8a;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.stat-highlight p {
    color: #64748b;
    font-weight: 500;
}

/* Use Cases Section */
.use-cases-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.use-case-card {
    background: white;
    border-radius: 16px;
    padding: 2.5rem;
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    border-left: 4px solid #1e3a8a;
}

.use-case-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 30px rgba(30, 58, 138, 0.15);
}

.use-case-icon {
    font-size: 3rem;
    margin-bottom: 1.5rem;
}

.use-case-card h3 {
    color: #1e3a8a;
    font-size: 1.4rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
}

.use-case-card ul {
    list-style: none;
    margin-bottom: 1.5rem;
}

.use-case-card li {
    color: #64748b;
    padding: 0.5rem 0;
    position: relative;
    padding-left: 1.5rem;
}

.use-case-card li::before {
    content: '';
    position: absolute;
    left: 0;
    color: #1e3a8a;
    font-weight: bold;
}

.use-case-clients {
    background: #f8fafc;
    padding: 0.75rem 1rem;
    border-radius: 8px;
    font-size: 0.9rem;
    color: #64748b;
    font-weight: 500;
    text-align: center;
}

/* Blog Section */
.blog {
    background: #f8fafc;
}

.blog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.blog-card {
    background: white;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
}

.blog-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(30, 58, 138, 0.15);
}

.blog-image {
    background: linear-gradient(135deg, #1e3a8a, #3b82f6);
    color: white;
    font-size: 3rem;
    padding: 2rem;
    text-align: center;
}

.blog-content {
    padding: 2rem;
}

.blog-category {
    background: #1e3a8a;
    color: white;
    padding: 0.25rem 0.75rem;
    border-radius: 12px;
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
}

.blog-card h3 {
    color: #1e3a8a;
    font-size: 1.2rem;
    font-weight: 600;
    margin: 1rem 0;
    line-height: 1.4;
}

.blog-card p {
    color: #64748b;
    line-height: 1.6;
    margin-bottom: 1rem;
}

.blog-meta {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: #64748b;
    font-size: 0.9rem;
}

.blog-cta {
    text-align: center;
}

/* Interactive Integrations */
.integrations-tabs {
    background: white;
    border-radius: 16px;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
    overflow: hidden;
    margin-bottom: 3rem;
}

.integrations-nav {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    background: #f8fafc;
}

.integration-tab-btn {
    padding: 1.25rem 1rem;
    border: none;
    background: none;
    font-weight: 600;
    color: #64748b;
    cursor: pointer;
    transition: all 0.3s ease;
    border-bottom: 3px solid transparent;
    font-size: 0.9rem;
}

.integration-tab-btn:hover {
    background: #ffffff;
    color: #1e3a8a;
}

.integration-tab-btn.active {
    background: #ffffff;
    color: #1e3a8a;
    border-bottom-color: #1e3a8a;
}

.integrations-content {
    padding: 2.5rem;
    min-height: 250px;
}

.integration-panel {
    display: none;
    animation: fadeInTab 0.4s ease-in-out;
}

.integration-panel.active {
    display: block;
}

.integration-logos {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.logo-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 1.5rem;
    background: #f8fafc;
    border-radius: 12px;
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.logo-item:hover {
    background: #ffffff;
    border-color: #1e3a8a;
    transform: translateY(-3px);
    box-shadow: 0 6px 16px rgba(30, 58, 138, 0.15);
}

.logo-icon {
    font-size: 2.5rem;
    margin-bottom: 0.75rem;
}

.logo-item span {
    font-size: 0.9rem;
    font-weight: 600;
    color: #1e3a8a;
    text-align: center;
}

.integration-panel p {
    color: #64748b;
    font-size: 1.1rem;
    line-height: 1.6;
    text-align: center;
}

/* Interactive Use Cases */
.use-cases-interactive {
    background: white;
    border-radius: 16px;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
    overflow: hidden;
}

.use-cases-nav {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    background: #f8fafc;
}

.use-case-btn {
    padding: 2rem 1rem;
    border: none;
    background: none;
    cursor: pointer;
    transition: all 0.3s ease;
    border-bottom: 3px solid transparent;
    text-align: center;
}

.use-case-btn:hover {
    background: #ffffff;
}

.use-case-btn.active {
    background: #ffffff;
    border-bottom-color: #1e3a8a;
}

.use-case-nav-icon {
    font-size: 2.5rem;
    margin-bottom: 0.75rem;
}

.use-case-btn span {
    display: block;
    font-weight: 600;
    color: #64748b;
    font-size: 1rem;
}

.use-case-btn.active span {
    color: #1e3a8a;
}

.use-cases-content {
    padding: 3rem;
    min-height: 300px;
}

.use-case-panel {
    display: none;
    animation: fadeInTab 0.4s ease-in-out;
}

.use-case-panel.active {
    display: flex;
    gap: 3rem;
    align-items: center;
}

.use-case-visual {
    flex: 1;
    text-align: center;
}

.visual-icon {
    font-size: 5rem;
    margin-bottom: 1.5rem;
}

.use-case-visual h3 {
    color: #1e3a8a;
    font-size: 2rem;
    font-weight: 600;
}

.use-case-details {
    flex: 2;
}

.benefits-list {
    margin-bottom: 2rem;
}

.benefit-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 0.75rem 0;
    font-size: 1.1rem;
}

.benefit-icon {
    background: #1e3a8a;
    color: white;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.8rem;
    font-weight: bold;
    flex-shrink: 0;
}

.benefit-item span {
    color: #64748b;
}

.use-case-clients {
    background: #f8fafc;
    padding: 1rem 1.5rem;
    border-radius: 8px;
    border-left: 4px solid #1e3a8a;
}

.use-case-clients strong {
    color: #1e3a8a;
}

/* Interactive Blog */
.blog-categories {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 3rem;
    flex-wrap: wrap;
}

.blog-category-btn {
    padding: 0.75rem 1.5rem;
    border: 2px solid #e2e8f0;
    background: white;
    color: #64748b;
    border-radius: 25px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.blog-category-btn:hover {
    border-color: #1e3a8a;
    color: #1e3a8a;
}

.blog-category-btn.active {
    background: #1e3a8a;
    color: white;
    border-color: #1e3a8a;
}

.blog-card {
    transition: all 0.3s ease;
    opacity: 1;
}

.blog-card.hidden {
    display: none;
}

.blog-image {
    position: relative;
    overflow: hidden;
}

.blog-emoji {
    background: linear-gradient(135deg, #1e3a8a, #3b82f6);
    color: white;
    font-size: 3rem;
    padding: 2rem;
    text-align: center;
    transition: transform 0.3s ease;
}

.blog-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(30, 58, 138, 0.9);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.read-more {
    color: white;
    font-weight: 600;
    font-size: 1.1rem;
}

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

.blog-card:hover .blog-emoji {
    transform: scale(1.1);
}

/* Contact Section */
.contact {
    background: #ffffff;
}

.contact-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 4rem;
    align-items: start;
}

.contact-form {
    background: white;
    padding: 3rem;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: #1e3a8a;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.875rem;
    border: 2px solid #e9ecef;
    border-radius: 10px;
    font-size: 1rem;
    transition: border-color 0.3s ease;
    min-height: 48px;
    -webkit-appearance: none;
    appearance: none;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #1e3a8a;
    box-shadow: 0 0 0 3px rgba(30, 58, 138, 0.1);
}

.form-group textarea {
    resize: vertical;
    height: 100px;
}

.submit-btn {
    background: #1e3a8a;
    color: white;
    padding: 1rem 2rem;
    border: none;
    border-radius: 6px;
    font-size: 1.1rem;
    font-weight: 600;
    width: 100%;
    cursor: pointer;
    transition: all 0.3s ease;
    min-height: 48px;
    touch-action: manipulation;
}

.submit-btn:hover {
    background: #1d4ed8;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(30, 58, 138, 0.2);
}

.contact-info h3 {
    color: #1e3a8a;
    margin-bottom: 2rem;
    font-size: 1.5rem;
}

.contact-info p {
    color: #64748b;
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
    padding: 1rem;
    background: white;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
}

.contact-icon {
    width: 50px;
    height: 50px;
    background: #1e3a8a;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.2rem;
}

.whatsapp-contact {
    background: white;
    border: none;
    transition: all 0.3s ease;
}

.whatsapp-contact:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(30, 58, 138, 0.1);
}

.whatsapp-link {
    color: #1e3a8a;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
}

.whatsapp-link:hover {
    color: #1d4ed8;
    text-decoration: underline;
}

.whatsapp-contact strong {
    color: #1e3a8a;
}

/* Footer */
footer {
    background: #1e3a8a;
    color: white;
    padding: 3rem 2rem 1rem;
    text-align: center;
}

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

.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease;
}

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

/* Mobile Responsive */
@media (max-width: 768px) {
    .nav-links {
        display: none;
    }
    
    .mobile-menu-toggle {
        display: flex;
    }
    
    .cta-button {
        padding: 0.6rem 1.2rem;
        font-size: 0.9rem;
    }
    
    .hero {
        padding: 7rem 1rem 2rem;
        min-height: 90vh;
    }
    
    .hero h1 {
        font-size: 2.2rem;
        line-height: 1.2;
    }
    
    .hero p {
        font-size: 1.1rem;
        margin-bottom: 2rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
        gap: 1rem;
    }
    
    .btn-primary, .btn-secondary {
        width: 100%;
        max-width: 280px;
        text-align: center;
        padding: 1rem;
    }
    
    .vehicle-types {
        flex-direction: row;
        flex-wrap: wrap;
        justify-content: center;
        gap: 1rem;
        margin: 1.5rem 0;
    }
    
    .vehicle-type {
        flex: 1;
        min-width: 100px;
        max-width: 130px;
        padding: 1rem 0.75rem;
        text-align: center;
    }
    
    .vehicle-type span {
        font-size: 1.5rem;
        margin-bottom: 0.3rem;
    }
    
    .pricing {
        font-size: 1.1rem;
        padding: 0.8rem 1.5rem;
        margin: 1.5rem 0;
    }
    
    .section {
        padding: 3rem 1rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .section-subtitle {
        font-size: 1rem;
        margin-bottom: 2.5rem;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .integrations-grid,
    .use-cases-grid,
    .blog-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .integrations-nav {
        grid-template-columns: 1fr;
    }
    
    .integration-tab-btn {
        padding: 1rem;
        text-align: left;
        border-bottom: 1px solid #e2e8f0;
        border-right: none;
    }
    
    .integration-tab-btn.active {
        border-bottom-color: transparent;
        border-left: 3px solid #1e3a8a;
    }
    
    .integrations-content,
    .use-cases-content {
        padding: 2rem;
    }
    
    .integration-logos {
        grid-template-columns: repeat(2, 1fr);
        gap: 1rem;
    }
    
    .use-cases-nav {
        grid-template-columns: 1fr;
    }
    
    .use-case-btn {
        padding: 1.5rem 1rem;
        text-align: left;
        display: flex;
        align-items: center;
        gap: 1rem;
        border-bottom: 1px solid #e2e8f0;
    }
    
    .use-case-btn.active {
        border-bottom-color: transparent;
        border-left: 3px solid #1e3a8a;
    }
    
    .use-case-nav-icon {
        font-size: 2rem;
        margin-bottom: 0;
    }
    
    .use-case-panel.active {
        flex-direction: column;
        gap: 2rem;
        text-align: center;
    }
    
    .visual-icon {
        font-size: 3rem;
        margin-bottom: 1rem;
    }
    
    .use-case-visual h3 {
        font-size: 1.5rem;
    }
    
    .blog-categories {
        justify-content: flex-start;
        overflow-x: auto;
        padding-bottom: 0.5rem;
    }
    
    .blog-category-btn {
        flex-shrink: 0;
        font-size: 0.9rem;
        padding: 0.6rem 1.2rem;
    }
    
    .integration-stats {
        grid-template-columns: repeat(3, 1fr);
        gap: 1rem;
    }
    
    .feature-card,
    .step-card {
        padding: 2rem 1.5rem;
    }
    
    .feature-icon {
        width: 60px;
        height: 60px;
        font-size: 1.5rem;
    }
    
    .step-number {
        width: 50px;
        height: 50px;
        font-size: 1.2rem;
    }
    
    .about-content {
        grid-template-columns: 1fr;
        gap: 2.5rem;
    }
    
    .tab-navigation {
        flex-direction: column;
    }
    
    .tab-btn {
        text-align: left;
        padding: 0.875rem 1.25rem;
    }
    
    .tab-content {
        padding: 1.5rem;
    }
    
    .tab-icon {
        font-size: 2.5rem;
    }
    
    .about-stats {
        grid-template-columns: 1fr 1fr;
        gap: 1rem;
    }
    
    .stat-item {
        padding: 1rem;
    }
    
    .stat-item h3 {
        font-size: 2rem;
    }
    
    .contact-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .contact-form {
        padding: 2rem 1.5rem;
    }
    
    .contact-item {
        padding: 1rem;
        margin-bottom: 1rem;
    }
    
    .contact-icon {
        width: 40px;
        height: 40px;
        font-size: 1rem;
    }
    
    .whatsapp-link {
        font-size: 0.9rem;
    }
}

@media (max-width: 480px) {
    .hero {
        padding: 6rem 0.75rem 2rem;
    }
    
    .hero h1 {
        font-size: 1.8rem;
    }
    
    .hero p {
        font-size: 1rem;
    }
    
    .vehicle-types {
        flex-direction: row;
        justify-content: center;
        gap: 0.5rem;
        margin: 1.5rem 0;
    }
    
    .vehicle-type {
        width: 100px;
        max-width: none;
        padding: 0.75rem 0.5rem;
        font-size: 0.85rem;
    }
    
    .vehicle-type span {
        font-size: 1.5rem;
        margin-bottom: 0.25rem;
    }
    
    .section {
        padding: 2.5rem 0.75rem;
    }
    
    .section-title {
        font-size: 1.8rem;
    }
    
    .feature-card {
        padding: 1.5rem 1rem;
    }
    
    .integration-category,
    .use-case-card {
        padding: 1.5rem 1rem;
    }
    
    .integrations-content,
    .use-cases-content {
        padding: 1.5rem;
    }
    
    .integration-logos {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .logo-item {
        padding: 1.25rem;
    }
    
    .logo-icon {
        font-size: 2rem;
    }
    
    .visual-icon {
        font-size: 2.5rem;
    }
    
    .use-case-visual h3 {
        font-size: 1.3rem;
    }
    
    .benefit-item {
        font-size: 1rem;
    }
    
    .integration-stats {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .category-icon,
    .use-case-icon {
        font-size: 2rem;
    }
    
    .contact-form {
        padding: 1.5rem 1rem;
    }
    
    .faq-question {
        padding: 1.25rem 1.5rem;
    }

    .faq-question h3 {
        font-size: 1rem;
    }

    .faq-item.active .faq-answer {
        padding: 0 1.5rem 1.25rem;
    }
    
    .tab-btn {
        padding: 0.75rem 1rem;
        font-size: 0.9rem;
    }
    
    .tab-content {
        padding: 1.25rem;
    }
    
    .tab-panel h3 {
        font-size: 1.25rem;
    }
    
    .tab-panel p {
        font-size: 1rem;
    }
    
    .about-stats {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .form-group input,
    .form-group select,
    .form-group textarea {
        padding: 0.75rem;
    }
    
    .submit-btn {
        padding: 0.875rem 1.5rem;
        font-size: 1rem;
    }
}

@media (max-width: 320px) {
    .hero h1 {
        font-size: 1.6rem;
    }
    
    .btn-primary, .btn-secondary {
        font-size: 1rem;
        padding: 0.875rem;
    }
    
    .feature-card {
        padding: 1.25rem 0.75rem;
    }
    
    .integration-category,
    .use-case-card {
        padding: 1.25rem;
    }
    
    .integrations-content,
    .use-cases-content {
        padding: 1.25rem;
    }
    
    .integration-tab-btn,
    .use-case-btn {
        padding: 0.875rem;
        font-size: 0.9rem;
    }
    
    .logo-icon {
        font-size: 1.75rem;
    }
    
    .visual-icon {
        font-size: 2rem;
    }
    
    .use-case-visual h3 {
        font-size: 1.2rem;
    }
    
    .use-case-nav-icon {
        font-size: 1.75rem;
    }
    
    .blog-category-btn {
        padding: 0.5rem 1rem;
        font-size: 0.85rem;
    }
    
    .blog-content {
        padding: 1.5rem;
    }
    
    .use-case-card h3 {
        font-size: 1.2rem;
    }
    
    .blog-card h3 {
        font-size: 1.1rem;
    }
    
    .contact-form {
        padding: 1.25rem 0.75rem;
    }
    
    .faq-question {
        padding: 0.875rem 1rem;
    }

    .faq-question h3 {
        font-size: 0.9rem;
    }

    .faq-toggle {
        font-size: 1.25rem;
    }

    .faq-item.active .faq-answer {
        padding: 0 1rem 0.875rem;
    }
    
    .faq-question {
        padding: 1rem 1.25rem;
    }

    .faq-question h3 {
        font-size: 0.95rem;
    }
}

/* Articles page styles */
.articles-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.article-card {
    background: white;
    border-radius: 12px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    overflow: hidden;
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
    height: 100%;
}

.article-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

.article-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem;
    background: linear-gradient(135deg, #1e3a8a 0%, #3b82f6 100%);
    color: white;
}

.article-category {
    background: rgba(255, 255, 255, 0.2);
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 500;
}

.article-emoji {
    font-size: 1.5rem;
}

.article-content {
    padding: 1.5rem;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

.article-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: #1f2937;
    margin-bottom: 0.75rem;
    line-height: 1.3;
    min-height: 3.25rem;
}

.article-meta {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1rem;
    font-size: 0.875rem;
    color: #6b7280;
}

.article-date {
    font-weight: 500;
}

.read-time {
    background: #f3f4f6;
    padding: 0.25rem 0.5rem;
    border-radius: 4px;
    font-weight: 500;
}

.article-excerpt {
    color: #4b5563;
    line-height: 1.6;
    margin-bottom: 1.5rem;
    flex-grow: 1;
}

.read-more-btn {
    background: linear-gradient(135deg, #1e3a8a 0%, #3b82f6 100%);
    color: white;
    border: none;
    padding: 0.75rem 1.5rem;
    border-radius: 8px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    align-self: flex-start;
}

.read-more-btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(102, 126, 234, 0.4);
}

    .faq-item.active .faq-answer {
        padding: 0 1.25rem 1rem;
    }
}