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

:root {
    --primary: #0066ff;
    --primary-dark: #0052cc;
    --secondary: #00d4ff;
    --dark: #0a0e27;
    --dark-blue: #1a1f3a;
    --light: #f8f9fa;
    --gray: #6c757d;
    --white: #ffffff;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: var(--dark);
    color: var(--white);
    overflow-x: hidden;
    line-height: 1.6;
}

/* Navigation */
nav {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(10, 14, 39, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    padding: 1rem 0;
    border-bottom: 1px solid rgba(0, 102, 255, 0.2);
    transition: all 0.3s ease;
}

nav.scrolled {
    padding: 0.5rem 0;
    box-shadow: 0 4px 20px rgba(0, 102, 255, 0.3);
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.8rem;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.logo-img {
  height: 36px; /* adjust to fit your navbar */
  width: auto;
  display: block;
}

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

.nav-links a {
    color: var(--white);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s;
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--secondary);
    transition: width 0.3s;
}

.nav-links a:hover {
    color: var(--secondary);
}

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

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    color: var(--white);
    font-size: 1.5rem;
    cursor: pointer;
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
    background: linear-gradient(135deg, var(--dark) 0%, var(--dark-blue) 100%);
    padding-top: 80px;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
    radial-gradient(circle at 20% 50%, rgba(0, 102, 255, 0.1) 0%, transparent 50%),
    radial-gradient(circle at 80% 50%, rgba(0, 212, 255, 0.1) 0%, transparent 50%);
    animation: pulse 8s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 0.5; }
    50% { opacity: 1; }
}

.hero-content {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 2rem;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-text h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
    background: linear-gradient(135deg, var(--white), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    animation: fadeInUp 1s ease;
}

.hero-text .subtitle {
    font-size: 1.5rem;
    color: var(--secondary);
    margin-bottom: 1.5rem;
    animation: fadeInUp 1s ease 0.2s both;
}

.hero-text p {
    font-size: 1.1rem;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 2rem;
    line-height: 1.8;
    animation: fadeInUp 1s ease 0.4s both;
}

.cta-buttons {
    display: flex;
    gap: 1rem;
    animation: fadeInUp 1s ease 0.6s both;
}

.btn {
    padding: 1rem 2rem;
    border: none;
    border-radius: 50px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: var(--white);
    box-shadow: 0 4px 15px rgba(0, 102, 255, 0.4);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 25px rgba(0, 102, 255, 0.6);
}

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

.btn-secondary:hover {
    background: var(--primary);
    transform: translateY(-2px);
}

.hero-visual {
    position: relative;
    animation: fadeInRight 1s ease;
}

.robot-illustration {
    width: 100%;
    height: 500px;
    background: linear-gradient(135deg, rgba(0, 102, 255, 0.1), rgba(0, 212, 255, 0.1));
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
    border: 1px solid rgba(0, 212, 255, 0.3);
}

.robot-icon {
    font-size: 12rem;
    color: var(--secondary);
    opacity: 0.3;
    animation: float 3s ease-in-out infinite;
}

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

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

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

/* Stats Section */
.stats {
    background: var(--dark-blue);
    padding: 4rem 2rem;
    border-top: 1px solid rgba(0, 212, 255, 0.2);
    border-bottom: 1px solid rgba(0, 212, 255, 0.2);
}

.stats-container {
    max-width: 1400px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 3rem;
}

.stat-item {
    text-align: center;
    padding: 2rem;
    background: rgba(0, 102, 255, 0.05);
    border-radius: 15px;
    transition: transform 0.3s;
}

.stat-item:hover {
    transform: translateY(-10px);
    background: rgba(0, 102, 255, 0.1);
}

.stat-item i {
    font-size: 3rem;
    color: var(--secondary);
    margin-bottom: 1rem;
}

.stat-number {
    font-size: 2.5rem;
    font-weight: bold;
    color: var(--white);
    margin-bottom: 0.5rem;
}

.stat-label {
    color: rgba(255, 255, 255, 0.7);
    font-size: 1rem;
}

/* Features Section */
.features {
    padding: 6rem 2rem;
    background: var(--dark);
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-header h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    background: linear-gradient(135deg, var(--white), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.section-header p {
    font-size: 1.2rem;
    color: rgba(255, 255, 255, 0.7);
}

.features-grid {
    max-width: 1400px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.feature-card {
    background: linear-gradient(135deg, var(--dark-blue), rgba(0, 102, 255, 0.1));
    padding: 2.5rem;
    border-radius: 20px;
    border: 1px solid rgba(0, 212, 255, 0.2);
    transition: all 0.3s;
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, transparent, rgba(0, 212, 255, 0.1));
    opacity: 0;
    transition: opacity 0.3s;
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 40px rgba(0, 102, 255, 0.3);
    border-color: var(--secondary);
}

.feature-card:hover::before {
    opacity: 1;
}

.feature-icon {
    font-size: 3rem;
    color: var(--secondary);
    margin-bottom: 1.5rem;
    position: relative;
    z-index: 1;
}

.feature-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--white);
    position: relative;
    z-index: 1;
}

.feature-card p {
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.8;
    position: relative;
    z-index: 1;
}

/* Technology Section */
.technology {
    padding: 6rem 2rem;
    background: var(--dark-blue);
}

.tech-content {
    max-width: 1400px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.tech-list {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.tech-item {
    background: rgba(0, 102, 255, 0.1);
    padding: 1.5rem;
    border-radius: 15px;
    border-left: 4px solid var(--secondary);
    transition: all 0.3s;
}

.tech-item:hover {
    background: rgba(0, 102, 255, 0.2);
    transform: translateX(10px);
}

.tech-item h4 {
    font-size: 1.3rem;
    color: var(--secondary);
    margin-bottom: 0.5rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.tech-item p {
    color: rgba(255, 255, 255, 0.8);
}

.tech-visual {
    position: relative;
    height: 500px;
    background: linear-gradient(135deg, rgba(0, 102, 255, 0.1), rgba(0, 212, 255, 0.1));
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid rgba(0, 212, 255, 0.3);
}

.tech-circles {
    position: relative;
    width: 300px;
    height: 300px;
}

.circle {
    position: absolute;
    border-radius: 50%;
    border: 2px solid var(--secondary);
    opacity: 0.3;
}

.circle:nth-child(1) {
    width: 300px;
    height: 300px;
    animation: rotate 20s linear infinite;
}

.circle:nth-child(2) {
    width: 200px;
    height: 200px;
    top: 50px;
    left: 50px;
    animation: rotate 15s linear infinite reverse;
}

.circle:nth-child(3) {
    width: 100px;
    height: 100px;
    top: 100px;
    left: 100px;
    animation: rotate 10s linear infinite;
    background: radial-gradient(circle, var(--secondary), transparent);
}

@keyframes rotate {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

/* Benefits Section */
.benefits {
    padding: 6rem 2rem;
    background: var(--dark);
}

.benefits-grid {
    max-width: 1400px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
}

.benefit-card {
    background: linear-gradient(135deg, var(--dark-blue), rgba(0, 102, 255, 0.05));
    padding: 2.5rem;
    border-radius: 20px;
    border: 1px solid rgba(0, 212, 255, 0.2);
    display: flex;
    gap: 2rem;
    transition: all 0.3s;
}

.benefit-card:hover {
    transform: scale(1.02);
    border-color: var(--secondary);
    box-shadow: 0 10px 40px rgba(0, 102, 255, 0.2);
}

.benefit-icon {
    font-size: 3rem;
    color: var(--secondary);
    flex-shrink: 0;
}

.benefit-content h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--white);
}

.benefit-content p {
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.8;
}

/* CTA Section */
.cta-section {
    padding: 6rem 2rem;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    text-align: center;
    position: relative;
    overflow: hidden;
}

.cta-section::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(0, 212, 255, 0.2), transparent);
    animation: spin 20s linear infinite;
}

@keyframes spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.cta-content {
    max-width: 800px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

.cta-content h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    color: var(--white);
}

.cta-content p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    color: rgba(255, 255, 255, 0.9);
}

/* Footer */
footer {
    background: var(--dark);
    border-top: 1px solid rgba(0, 212, 255, 0.2);
    padding: 4rem 2rem 2rem;
}

.footer-content {
    max-width: 1400px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-brand h3 {
    font-size: 1.8rem;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    margin-bottom: 1rem;
}

.footer-brand p {
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.8;
    margin-bottom: 1.5rem;
}

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

.social-links a {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: rgba(0, 102, 255, 0.2);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--secondary);
    transition: all 0.3s;
    text-decoration: none;
}

.social-links a:hover {
    background: var(--secondary);
    color: var(--dark);
    transform: translateY(-3px);
}

.footer-column h4 {
    color: var(--white);
    margin-bottom: 1rem;
    font-size: 1.2rem;
}

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

.footer-column ul li {
    margin-bottom: 0.8rem;
}

.footer-column ul li a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: color 0.3s;
}

.footer-column ul li a:hover {
    color: var(--secondary);
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.6);
}

/* Responsive */
@media (max-width: 1024px) {
    .hero-content {
    grid-template-columns: 1fr;
    gap: 3rem;
    }

    .hero-text h1 {
    font-size: 2.5rem;
    }

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

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

    .tech-content {
    grid-template-columns: 1fr;
    }

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

@media (max-width: 768px) {
    .nav-links {
    position: fixed;
    top: 70px;
    left: -100%;
    width: 100%;
    height: calc(100vh - 70px);
    background: rgba(10, 14, 39, 0.98);
    flex-direction: column;
    padding: 2rem;
    transition: left 0.3s;
    }

    .nav-links.active {
    left: 0;
    }

    .mobile-menu-btn {
    display: block;
    }

    .hero-text h1 {
    font-size: 2rem;
    }

    .hero-text .subtitle {
    font-size: 1.2rem;
    }

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

    .stats-container {
    grid-template-columns: 1fr;
    }

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

    .footer-content {
    grid-template-columns: 1fr;
    }

    .cta-buttons {
    flex-direction: column;
    }
}

/* Scroll animations */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s, transform 0.6s;
}

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