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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    line-height: 1.6;
    color: #202746;
    background: #f7fafc;
    overflow-x: hidden;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Navigation */
.nav {
    position: fixed;
    top: 0;
    width: 100%;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.95) 0%, rgba(248, 250, 252, 0.95) 100%);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(61, 143, 209, 0.2);
    z-index: 1000;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 40px;
    box-shadow: 0 8px 32px rgba(61, 143, 209, 0.1);
    transition: all 0.3s ease;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 24px;
    font-weight: 700;
    color: #3d8fd1;
    letter-spacing: -0.5px;
    transition: all 0.3s ease;
    padding: 8px 16px;
    border-radius: 12px;
    background: rgba(61, 143, 209, 0.05);
    border: 1px solid rgba(61, 143, 209, 0.1);
}

.nav-brand:hover {
    background: rgba(61, 143, 209, 0.1);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(61, 143, 209, 0.2);
}

.nav-logo {
    height: 32px;
    width: auto;
    object-fit: contain;
}

.nav-brand-text {
    font-size: 24px;
    font-weight: 700;
    color: #3d8fd1;
    letter-spacing: -0.5px;
}

.nav-links {
    display: flex;
    gap: 8px;
    background: rgba(255, 255, 255, 0.8);
    padding: 8px;
    border-radius: 16px;
    border: 1px solid rgba(61, 143, 209, 0.1);
    box-shadow: 0 4px 16px rgba(61, 143, 209, 0.1);
}

.nav-links a {
    text-decoration: none;
    color: #4a5568;
    font-weight: 500;
    transition: all 0.3s ease;
    position: relative;
    padding: 12px 20px;
    border-radius: 12px;
    background: transparent;
}

.nav-links a:hover {
    color: #3d8fd1;
    background: rgba(61, 143, 209, 0.1);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(61, 143, 209, 0.2);
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: 4px;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 2px;
    background: #3d8fd1;
    transition: width 0.3s ease;
    border-radius: 1px;
}

.nav-links a:hover::after {
    width: 60%;
}

/* Hero Section */
.hero {
    padding: 120px 0 80px;
    background: url('../img/Image_landing_drone.png') center/cover no-repeat;
    color: white;
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 30px;
    position: relative;
    z-index: 2;
}

.hero-text h1 {
    font-size: 56px;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 30px;
    letter-spacing: -0.02em;
    color: white;
    text-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

.hero-text p {
    font-size: 20px;
    margin-bottom: 40px;
    line-height: 1.6;
    color: rgba(255, 255, 255, 0.9);
    max-width: 500px;
}

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

.btn-primary, .btn-secondary {
    padding: 16px 32px;
    border-radius: 12px;
    font-weight: 600;
    font-size: 16px;
    border: none;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    display: inline-block;
}

.btn-primary {
    background: #3d8fd1;
    color: white;
    box-shadow: 0 4px 20px rgba(61, 143, 209, 0.3);
}

.btn-primary:hover {
    background: #2c5282;
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(61, 143, 209, 0.4);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.2);
    color: white;
    border: 2px solid rgba(255, 255, 255, 0.3);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(255, 255, 255, 0.2);
}

.btn-full {
    width: 100%;
    text-align: center;
}

/* Hero Visual */
.hero-visual {
    display: flex;
    justify-content: center;
    align-items: center;
}

.visual-card {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(20px);
    border: 2px solid rgba(255, 255, 255, 0.2);
    padding: 30px;
    width: 100%;
    max-width: 400px;
    border-radius: 20px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

.card-header {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 30px;
    font-weight: 600;
    color: white;
}

.status-dot {
    width: 12px;
    height: 12px;
    background: #48bb78;
    border-radius: 50%;
    animation: pulse 2s infinite;
    box-shadow: 0 0 10px #48bb78;
}

@keyframes pulse {
    0% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.7; transform: scale(1.1); }
    100% { opacity: 1; transform: scale(1); }
}

.metric {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
    color: white;
}

.metric:last-child {
    border-bottom: none;
}

.metric-label {
    font-size: 14px;
    opacity: 0.8;
}

.metric-value {
    font-size: 24px;
    font-weight: 700;
    color: #48bb78;
    text-shadow: 0 0 10px rgba(72, 187, 120, 0.3);
}

/* Problem Section */
.problem-section {
    padding: 100px 0;
    background: #f7fafc;
    color: #2d3748;
    position: relative;
}

/* Removed striped background */

.problem-section h2 {
    text-align: center;
    font-size: 48px;
    font-weight: 800;
    margin-bottom: 60px;
    color: #2d3748;
    letter-spacing: -0.02em;
    position: relative;
    z-index: 2;
}

.problem-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    position: relative;
    z-index: 2;
}

.problem-item {
    background: white;
    border: 2px solid #e2e8f0;
    padding: 40px;
    text-align: center;
    border-radius: 16px;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
}

.problem-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(43, 108, 176, 0.1), transparent);
    transition: left 0.5s ease;
}

.problem-item:hover::before {
    left: 100%;
}

.problem-item:hover {
    box-shadow: 0 8px 30px rgba(61, 143, 209, 0.15);
    transform: translateY(-5px);
    border-color: #3d8fd1;
}

.problem-icon {
    font-size: 48px;
    margin-bottom: 20px;
    filter: hue-rotate(200deg) saturate(1.2);
}

.problem-item h3 {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 15px;
    color: #2d3748;
}

.problem-item p {
    color: #4a5568;
    font-size: 16px;
    line-height: 1.5;
}

/* Solution Section */
.solution-section {
    padding: 100px 0;
    background: white;
    color: #2d3748;
}

.solution-section h2 {
    text-align: center;
    font-size: 48px;
    font-weight: 800;
    margin-bottom: 60px;
    color: #2d3748;
    letter-spacing: -0.02em;
}

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

.solution-text h3 {
    font-size: 32px;
    font-weight: 700;
    margin-bottom: 40px;
    color: #2d3748;
}

.step {
    display: flex;
    gap: 20px;
    margin-bottom: 40px;
    align-items: flex-start;
    padding: 30px;
    border: 2px solid #e2e8f0;
    background: #f7fafc;
    border-radius: 16px;
    transition: all 0.3s ease;
}

.step:hover {
    border-color: #3d8fd1;
    box-shadow: 0 4px 20px rgba(43, 108, 176, 0.1);
}

.step-number {
    width: 50px;
    height: 50px;
    background: #3d8fd1;
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    font-weight: 700;
    flex-shrink: 0;
    box-shadow: 0 4px 20px rgba(61, 143, 209, 0.3);
}

.step-content h4 {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 8px;
    color: #2d3748;
}

.step-content p {
    color: #4a5568;
    font-size: 16px;
    line-height: 1.5;
}

.solution-visual {
    display: flex;
    justify-content: center;
}

.demo-video {
    width: 100%;
    max-width: 500px;
    height: auto;
    border-radius: 16px;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.15);
    border: 2px solid #e2e8f0;
}

/* Features Section */
.features-section {
    padding: 100px 0;
    background: #f7fafc;
    color: #2d3748;
    position: relative;
}

/* Removed striped background */

.features-section h2 {
    text-align: center;
    font-size: 48px;
    font-weight: 800;
    margin-bottom: 20px;
    color: #2d3748;
    letter-spacing: -0.02em;
    position: relative;
    z-index: 2;
}

.section-subtitle {
    text-align: center;
    font-size: 20px;
    color: #4a5568;
    margin-bottom: 60px;
    position: relative;
    z-index: 2;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    position: relative;
    z-index: 2;
}

.feature-card {
    background: white;
    border: 2px solid #e2e8f0;
    padding: 40px;
    border-radius: 16px;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(43, 108, 176, 0.1), transparent);
    transition: left 0.5s ease;
}

.feature-card:hover::before {
    left: 100%;
}

.feature-card:hover {
    box-shadow: 0 8px 30px rgba(61, 143, 209, 0.15);
    transform: translateY(-5px);
    border-color: #3d8fd1;
}

.feature-card h3 {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 15px;
    color: #2d3748;
}

.feature-card p {
    color: #4a5568;
    font-size: 16px;
    line-height: 1.5;
}

/* Contact Section */
.contact-section {
    padding: 100px 0;
    background: white;
    color: #2d3748;
}

.contact-section h2 {
    text-align: center;
    font-size: 48px;
    font-weight: 800;
    margin-bottom: 20px;
    color: #2d3748;
    letter-spacing: -0.02em;
}

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

.contact-info h3 {
    font-size: 32px;
    font-weight: 700;
    margin-bottom: 30px;
    color: #2d3748;
}

.contact-info ul {
    list-style: none;
    margin-bottom: 40px;
}

.contact-info li {
    padding: 12px 0;
    font-size: 16px;
    color: #2d3748;
    border-bottom: 1px solid #e2e8f0;
}

.contact-info li:last-child {
    border-bottom: none;
}

.contact-details {
    background: #f7fafc;
    border: 2px solid #e2e8f0;
    padding: 30px;
    border-radius: 16px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
}

.contact-details p {
    margin-bottom: 8px;
    color: #2d3748;
    font-size: 16px;
}

.contact-form {
    background: #f7fafc;
    border: 2px solid #e2e8f0;
    padding: 40px;
    border-radius: 16px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
}

.form-group {
    margin-bottom: 24px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: #2d3748;
    font-size: 16px;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 16px;
    border: 2px solid #e2e8f0;
    border-radius: 12px;
    font-size: 16px;
    background: white;
    color: #2d3748;
    transition: all 0.3s ease;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #3d8fd1;
    box-shadow: 0 0 0 3px rgba(61, 143, 209, 0.1);
}

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

/* Footer */
.footer {
    background: #2d3748;
    color: white;
    padding: 60px 0 30px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-section h3,
.footer-section h4 {
    margin-bottom: 20px;
    color: white;
    font-weight: 700;
}

.footer-logo {
    margin-bottom: 15px;
}

.footer-logo a {
    display: inline-block;
    transition: opacity 0.3s ease;
}

.footer-logo a:hover {
    opacity: 0.8;
}

.footer-logo svg {
    fill: #fff;
}

.footer-section a {
    color: #fff;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-section a:hover {
    color: #ff6a15;
    text-decoration: underline;
}

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

.footer-section ul li {
    margin-bottom: 8px;
}

.footer-section a {
    color: #a0aec0;
    text-decoration: none;
    font-size: 16px;
    transition: color 0.3s ease;
}

.footer-section a:hover {
    color: #3d8fd1;
}

.footer-bottom {
    border-top: 1px solid #4a5568;
    padding-top: 30px;
    text-align: center;
    color: #a0aec0;
    font-size: 14px;
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav {
        padding: 15px 20px;
    }
    
    .nav-links {
        display: none;
    }
    
    .hero-content {
        grid-template-columns: 1fr;
        gap: 40px;
        padding: 0 20px;
    }
    
    .hero-text h1 {
        font-size: 40px;
    }
    
    .hero-text p {
        font-size: 18px;
    }
    
    .solution-content,
    .contact-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .hero-actions {
        flex-direction: column;
        align-items: stretch;
    }
    
    .problem-section h2,
    .solution-section h2,
    .features-section h2,
    .contact-section h2 {
        font-size: 36px;
    }
}

@media (max-width: 480px) {
    .hero-text h1 {
        font-size: 32px;
    }
    
    .btn-primary, .btn-secondary {
        padding: 14px 28px;
        font-size: 14px;
    }
    
    .container {
        padding: 0 15px;
    }
}

/* Performance Section */
.performance-section {
    padding: 100px 0;
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
    color: #2d3748;
}

.performance-section h2 {
    text-align: center;
    font-size: 48px;
    font-weight: 800;
    margin-bottom: 60px;
    color: #2d3748;
}

/* Performance Rows */
.performance-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    margin-bottom: 80px;
}

.performance-row-reverse {
    grid-template-columns: 1fr 1fr;
}

.performance-text {
    background: white;
    padding: 40px;
    border-radius: 16px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
    border: 1px solid rgba(61, 143, 209, 0.1);
    transition: all 0.3s ease;
}

.performance-text:hover {
    transform: translateY(-4px);
    box-shadow: 0 16px 48px rgba(61, 143, 209, 0.15);
}

.performance-image {
    display: flex;
    justify-content: center;
    align-items: center;
}

.performance-img {
    width: 100%;
    height: 400px;
    object-fit: cover;
    border-radius: 16px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}

.performance-img:hover {
    transform: scale(1.02);
    box-shadow: 0 16px 48px rgba(0, 0, 0, 0.15);
}

.performance-icon {
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 15px;
}

.performance-icon-img {
    width: 64px;
    height: 64px;
    object-fit: contain;
    display: block;
    border-radius: 5px;
    flex-shrink: 0;
}

.performance-text h3 {
    margin: 0;
    flex: 1;
}

.performance-item h3 {
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 20px;
    color: #2d3748;
}

.performance-item p {
    font-size: 16px;
    line-height: 1.7;
    color: #4a5568;
}

.performance-reasons {
    background: white;
    padding: 60px 40px;
    border-radius: 20px;
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.1);
    border: 1px solid rgba(61, 143, 209, 0.1);
}

.performance-reasons h3 {
    text-align: center;
    font-size: 36px;
    font-weight: 700;
    margin-bottom: 50px;
    color: #2d3748;
}

.reasons-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
}

.reason-item {
    text-align: center;
    padding: 30px 20px;
    border-radius: 12px;
    background: rgba(61, 143, 209, 0.05);
    border: 1px solid rgba(61, 143, 209, 0.1);
    transition: all 0.3s ease;
}

.reason-item:hover {
    background: rgba(61, 143, 209, 0.1);
    transform: translateY(-2px);
}

.reason-icon {
    font-size: 40px;
    margin-bottom: 20px;
    display: block;
}

.reason-item h4 {
    font-size: 22px;
    font-weight: 600;
    margin-bottom: 15px;
    color: #2d3748;
}

.reason-item p {
    font-size: 15px;
    line-height: 1.6;
    color: #4a5568;
}

/* Responsive Design for Performance Section */
@media (max-width: 768px) {
    .performance-section h2 {
        font-size: 36px;
    }
    
    .performance-row {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .performance-row-reverse {
        grid-template-columns: 1fr;
    }
    
    .performance-text {
        padding: 30px 20px;
    }
    
    .performance-text h3 {
        font-size: 24px;
    }
    
    .performance-img {
        height: 300px;
    }
    
    .performance-reasons {
        padding: 40px 20px;
    }
    
    .performance-reasons h3 {
        font-size: 28px;
    }
    
    .reasons-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }
}

@media (max-width: 480px) {
    .performance-section {
        padding: 60px 0;
    }
    
    .performance-section h2 {
        font-size: 28px;
    }
    
    .performance-text h3 {
        font-size: 20px;
    }
    
    .performance-img {
        height: 250px;
    }
    
    .performance-reasons h3 {
        font-size: 24px;
    }
}

/* Smooth scrolling */
html {
    scroll-behavior: smooth;
}