.slider {
    width: 100%;
    height: 500px;
    margin: 10px auto;
    overflow: hidden;
    position: relative;
}

.slides {
    display: flex;
    transition: transform 0.5s ease-in-out;
}

    .slides img {
        width: 100%;
        flex-shrink: 0;
    }

.controls {
    position: absolute;
    top: 50%;
    width: 100%;
    display: flex;
    justify-content: space-between;
    transform: translateY(-50%);
}

.control-btn {
    background-color: rgba(0, 0, 0, 0.5);
    border: none;
    color: white;
    padding: 10px;
    cursor: pointer;
    user-select: none;
}

#contactchat {
    position: fixed;
    bottom: 0;
    right: 0;
}

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

body {
    font-family: 'Inter', sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f8fafc;
}

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

/* Header */
.header {
    background: white;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
}

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.nav-brand .logo {
    display: flex;
    gap: 5px;
}

    .nav-brand .logo i {
        width: 12px;
        height: 12px;
        background: #3b4a6b;
        border-radius: 50%;
        font-size: 12px;
        color: white;
        display: flex;
        align-items: center;
        justify-content: center;
    }

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

    .nav-menu a {
        text-decoration: none;
        color: #64748b;
        font-weight: 500;
        transition: color 0.3s;
    }

        .nav-menu a:hover {
            color: #3b4a6b;
        }

.nav-actions {
    display: flex;
    gap: 1rem;
    align-items: center;
}

.login-btn {
    text-decoration: none;
    color: #64748b;
    font-weight: 500;
}

.signup-btn {
    background: #3b4a6b;
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 6px;
    text-decoration: none;
    font-weight: 500;
    transition: background 0.3s;
}

    .signup-btn:hover {
        background: #2d3748;
    }

/* Hero Section */
.hero {
    padding: 120px 0 80px;
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
}

    .hero .container {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 4rem;
        align-items: center;
    }

.hero-title {
    font-size: 3rem;
    font-weight: 700;
    color: #1e293b;
    margin-bottom: 1rem;
    line-height: 1.2;
}

.hero-subtitle {
    font-size: 1.2rem;
    color: #64748b;
    margin-bottom: 2rem;
}

.hero-features {
    display: flex;
    gap: 2rem;
    margin-bottom: 2rem;
    flex-wrap: wrap;
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: #64748b;
}

    .feature-item i {
        color: #10b981;
        font-size: 1rem;
    }

.hero-form {
    display: flex;
    gap: 1rem;
    align-items: center;
    flex-wrap: wrap;
}

.email-input-container {
    display: flex;
    background: white;
    border-radius: 8px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
    overflow: hidden;
    flex: 1;
    min-width: 300px;
}

.email-input {
    flex: 1;
    padding: 1rem;
    border: none;
    outline: none;
    font-size: 1rem;
}

.get-started-btn {
    background: #3b4a6b;
    color: white;
    border: none;
    padding: 1rem 1.5rem;
    cursor: pointer;
    font-weight: 500;
    transition: background 0.3s;
}

    .get-started-btn:hover {
        background: #2d3748;
    }

.demo-btn {
    background: #f59e0b;
    color: white;
    border: none;
    padding: 1rem 1.5rem;
    border-radius: 8px;
    cursor: pointer;
    font-weight: 500;
    transition: background 0.3s;
}

    .demo-btn:hover {
        background: #d97706;
    }

/* Hero Image */
.hero-image {
    position: relative;
    height: 300px;
    background: linear-gradient(135deg, #1e293b 0%, #3b4a6b 100%);
    border-radius: 12px;
    overflow: hidden;
}

.tech-visual {
    position: relative;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
}

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

.tech-icon {
    position: absolute;
    width: 60px;
    height: 60px;
    background: rgba(255,255,255,0.1);
    border: 2px solid rgba(255,255,255,0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.5rem;
    animation: float 3s ease-in-out infinite;
}

    .tech-icon.wifi {
        top: 20px;
        left: 50%;
        transform: translateX(-50%);
    }

    .tech-icon.chart {
        top: 80px;
        right: 20px;
        animation-delay: -0.5s;
    }

    .tech-icon.settings {
        bottom: 80px;
        right: 20px;
        animation-delay: -1s;
    }

    .tech-icon.database {
        bottom: 20px;
        left: 50%;
        transform: translateX(-50%);
        animation-delay: -1.5s;
    }

    .tech-icon.network {
        bottom: 80px;
        left: 20px;
        animation-delay: -2s;
    }

    .tech-icon.monitor {
        top: 80px;
        left: 20px;
        animation-delay: -2.5s;
    }

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

    50% {
        transform: translateY(-10px);
    }
}

/* Key Features Section */
.key-features {
    padding: 80px 0;
    background: #1e293b;
    color: white;
}

.key-features-btn {
    background: rgba(255,255,255,0.1);
    color: white;
    border: 1px solid rgba(255,255,255,0.2);
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.9rem;
    margin-bottom: 2rem;
    cursor: pointer;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 1rem;
}

.section-subtitle {
    text-align: center;
    color: #94a3b8;
    margin-bottom: 3rem;
    font-size: 1.1rem;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.feature-card {
    background: rgba(255,255,255,0.05);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: 12px;
    padding: 2rem;
    transition: transform 0.3s, background 0.3s;
}

    .feature-card:hover {
        transform: translateY(-5px);
        background: rgba(255,255,255,0.08);
    }

.feature-icon {
    width: 60px;
    height: 60px;
    background: rgba(59,74,107,0.3);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1rem;
}

    .feature-icon i {
        font-size: 1.5rem;
        color: #60a5fa;
    }

.feature-card h3 {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.feature-card p {
    color: #94a3b8;
    line-height: 1.6;
}

/* About Section */
.about {
    padding: 80px 0;
    background: white;
}

    .about h2 {
        font-size: 2rem;
        font-weight: 700;
        color: #1e293b;
        margin-bottom: 2rem;
    }

.about-content p {
    color: #64748b;
    margin-bottom: 1.5rem;
    line-height: 1.8;
    font-size: 1.1rem;
}

/* Contact Section */
.contact {
    padding: 80px 0;
    background: #1e293b;
    color: white;
}

    .contact h2 {
        font-size: 2.5rem;
        font-weight: 700;
        margin-bottom: 3rem;
    }

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
}

.contact-info h3 {
    color: #94a3b8;
    font-size: 0.9rem;
    font-weight: 500;
    margin-bottom: 0.5rem;
    letter-spacing: 1px;
}

.contact-info h4 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.contact-info p {
    color: #94a3b8;
    margin-bottom: 2rem;
    line-height: 1.6;
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: #94a3b8;
}

    .contact-item i {
        color: #60a5fa;
    }

.contact-form {
    background: rgba(255,255,255,0.05);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: 12px;
    padding: 2rem;
}

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

    .form-group label {
        display: block;
        margin-bottom: 0.5rem;
        font-weight: 500;
        color: #e2e8f0;
    }

    .form-group input,
    .form-group select,
    .form-group textarea {
        width: 100%;
        padding: 0.75rem;
        border: 1px solid rgba(255,255,255,0.2);
        border-radius: 6px;
        background: rgba(255,255,255,0.1);
        color: white;
        font-size: 1rem;
    }

        .form-group input::placeholder,
        .form-group textarea::placeholder {
            color: #94a3b8;
        }

        .form-group input:focus,
        .form-group select:focus,
        .form-group textarea:focus {
            outline: none;
            border-color: #60a5fa;
        }

.submit-btn {
    background: #3b4a6b;
    color: white;
    border: none;
    padding: 1rem 2rem;
    border-radius: 6px;
    cursor: pointer;
    font-weight: 500;
    font-size: 1rem;
    transition: background 0.3s;
    width: 100%;
}

    .submit-btn:hover {
        background: #2d3748;
    }

/* Footer */
.footer {
    background: #0f172a;
    color: #94a3b8;
    padding: 2rem 0;
    text-align: center;
}

    .footer .container {
        display: flex;
        justify-content: space-between;
        align-items: center;
    }

.footer-links {
    display: flex;
    gap: 2rem;
}

    .footer-links a {
        color: #94a3b8;
        text-decoration: none;
        transition: color 0.3s;
    }

        .footer-links a:hover {
            color: white;
        }

/* Responsive Design */
@media (max-width: 768px) {
    .navbar {
        flex-direction: column;
        gap: 1rem;
        padding: 1rem;
    }

    .nav-menu {
        gap: 1rem;
    }

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

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

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

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

    .email-input-container {
        min-width: 100%;
    }

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

    .contact-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .footer .container {
        flex-direction: column;
        gap: 1rem;
    }

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

@media (max-width: 480px) {
    .hero-title {
        font-size: 1.5rem;
    }

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

    .hero-form {
        flex-direction: column;
        width: 100%;
    }

    .email-input-container {
        flex-direction: column;
    }

    .get-started-btn {
        border-radius: 0 0 8px 8px;
    }
}