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

body {
    font-family: 'Poppins', sans-serif;
    line-height: 1.6;
    color: #333;
    overflow-x: hidden;
}

/* Header */
.navbar {
    /*background: linear-gradient(135deg, #667eea 0%, #764ba2 100%) !important;*/
    padding: 1rem 0;
    transition: all 0.3s ease;
    color: #333;
    background: rgba(255, 255, 255, 0.80) !important;
    backdrop-filter: blur(4px);
}

.navbar-nav .nav-link {
    /*color: white !important;*/
    font-weight: 600;
    margin: 0 0.5rem;
    transition: opacity 0.3s ease;
}

    .navbar-nav .nav-link:hover {
        opacity: 0.8;
    }

.navbar-toggler {
    border: none;
    color: #333;
}

    .navbar-toggler:focus {
        box-shadow: none;
    }

/* Hero Section */
.hero {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 4rem 0 4rem;
    text-align: center;
    margin-top: 65px;
}

.hero-content {
    max-width: 800px;
    margin: 0 auto;
}

.hero h1 {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    opacity: 0;
    transform: translateY(30px);
    animation: fadeInUp 1s ease forwards 0.2s;
}

.hero p {
    font-size: 1.3rem;
    margin-bottom: 2rem;
    opacity: 0.9;
    opacity: 0;
    transform: translateY(30px);
    animation: fadeInUp 1s ease forwards 0.4s;
}

.hero img {
    opacity: 0.9;
    opacity: 0;
    transform: translateY(30px);
    animation: fadeInUp 1s ease forwards 0.4s;
}

.cta-button {
    display: inline-block;
    background: #20B2AA;
    color: white;
    padding: 1rem 2.5rem;
    text-decoration: none;
    border-radius: 50px;
    font-weight: 600;
    font-size: 1.1rem;
    transition: all 0.3s ease;
    box-shadow: 0 8px 25px rgba(32, 178, 170, 0.3);
    opacity: 0;
    transform: translateY(30px);
    animation: fadeInUp 1s ease forwards 0.6s;
}

    .cta-button:hover {
        background: #1B9A92;
        transform: translateY(-2px);
        box-shadow: 0 12px 35px rgba(32, 178, 170, 0.4);
    }

/* Sections */
.section {
    padding: 5rem 0;
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 3rem;
    color: #2d3748;
}

.section-subtitle {
    text-align: center;
    font-size: 1.2rem;
    color: #718096;
    margin-bottom: 4rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* Features */
.feature-card {
    background: white;
    padding: 2.5rem;
    border-radius: 15px;
    text-align: center;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border: 1px solid #e2e8f0;
    height: 100%;
}

    .feature-card:hover {
        transform: translateY(-10px);
        box-shadow: 0 20px 50px rgba(0, 0, 0, 0.15);
    }

.feature-icon {
    font-size: 3rem;
    margin-bottom: 1.5rem;
    color: #667eea;
}

.feature-card h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: #2d3748;
}

.feature-card p {
    color: #718096;
    line-height: 1.7;
}

/* How it Works */
.how-it-works {
    background: #f8f9fa;
}

.step-card {
    text-align: center;
    padding: 2rem;
    background: white;
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
    transition: transform 0.3s ease;
    height: 100%;
}

    .step-card:hover {
        transform: translateY(-5px);
    }

.step-number {
    display: inline-block;
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, #667eea, #20B2AA);
    color: white;
    border-radius: 50%;
    font-size: 1.2rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
}

.step-icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    color: #667eea;
}

/* Use Cases */
.use-case-card {
    background: white;
    padding: 2rem;
    border-radius: 15px;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    border-left: 4px solid #20B2AA;
    height: 100%;
}

    .use-case-card:hover {
        transform: translateY(-5px);
        box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
    }

.use-case-icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    color: #667eea;
}

/* About */
.about {
    background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    color: white;
    text-align: center;
}

    .about .section-title {
        color: white;
    }

    .about .section-subtitle {
        color: rgba(255, 255, 255, 0.9);
    }

/* Contact Form */
.contact-form {
    background: white;
    padding: 3rem;
    border-radius: 15px;
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.1);
}

.form-group {
    margin-bottom: 2rem;
}

    .form-group label {
        display: block;
        margin-bottom: 0.5rem;
        font-weight: 500;
        color: #2d3748;
    }

    .form-group input,
    .form-group textarea {
        width: 100%;
        padding: 1rem;
        border: 2px solid #e2e8f0;
        border-radius: 8px;
        font-size: 1rem;
        transition: border-color 0.3s ease;
        font-family: 'Inter', sans-serif;
    }

        .form-group input:focus,
        .form-group textarea:focus {
            outline: none;
            border-color: #667eea;
        }

    .form-group.error input,
    .form-group.error textarea {
        border-color: #e53e3e;
    }

.error-message {
    color: #e53e3e;
    font-size: 0.9rem;
    margin-top: 0.5rem;
    display: none;
}

.submit-btn {
    background: linear-gradient(135deg, #667eea, #20B2AA);
    color: white;
    padding: 1rem 2rem;
    border: none;
    border-radius: 8px;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    width: 100%;
}

    .submit-btn:hover {
        transform: translateY(-2px);
        box-shadow: 0 8px 25px rgba(102, 126, 234, 0.3);
    }

/* Footer */
.footer {
    background: #2d3748;
    color: white;
    padding: 3rem 0 2rem;
    text-align: center;
}

.social-links {
    margin: 2rem 0;
}

    .social-links a {
        color: white;
        font-size: 1.5rem;
        margin: 0 1rem;
        text-decoration: none;
        transition: color 0.3s ease;
    }

        .social-links a:hover {
            color: #20B2AA;
        }

/* Animations */
@keyframes fadeInUp {
    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) {
    .hero h1 {
        font-size: 2.5rem;
    }

    .hero p {
        font-size: 1.1rem;
    }

    .section {
        padding: 3rem 0;
    }

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

    .contact-form {
        padding: 2rem;
    }
}

@media (max-width: 480px) {
    .hero {
        padding: 6rem 0 4rem;
    }

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