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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #eaeceb;
}

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

/* Header */
header {
    background-color: #eaeceb;
    padding: 20px 0;
    text-align: center;
    border-bottom: 2px solid #d0d2d1;
}

.logo {
    max-width: 250px;
    height: auto;
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 80px 20px;
    text-align: center;
}

.hero h1 {
    font-size: 2.5rem;
    margin-bottom: 20px;
    font-weight: 700;
}

.slogan {
    font-size: 1.3rem;
    font-style: italic;
    margin-bottom: 30px;
    opacity: 0.95;
}

.cta-intro {
    background-color: rgba(255, 255, 255, 0.1);
    padding: 20px;
    border-radius: 10px;
    margin: 30px auto;
    max-width: 600px;
}

.cta-intro p {
    margin: 10px 0;
    font-size: 1.1rem;
}

.description {
    font-size: 1.1rem;
    max-width: 800px;
    margin: 20px auto 40px;
    line-height: 1.8;
}

/* Buttons */
.btn-primary {
    display: inline-block;
    background-color: #2563eb;
    color: white;
    padding: 15px 40px;
    text-decoration: none;
    border-radius: 50px;
    font-size: 1.1rem;
    font-weight: 600;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
}

.btn-primary:hover {
    background-color: #1d4ed8;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(37, 99, 235, 0.4);
}

.btn-large {
    padding: 18px 50px;
    font-size: 1.2rem;
    width: 100%;
    max-width: 400px;
}

/* Form Section */
.form-section {
    background-color: white;
    padding: 60px 20px;
}

.form-section h2 {
    text-align: center;
    font-size: 2rem;
    margin-bottom: 15px;
    color: #1e293b;
}

.form-intro {
    text-align: center;
    font-size: 1.2rem;
    margin-bottom: 40px;
    color: #475569;
}

#signupForm {
    max-width: 600px;
    margin: 0 auto;
}

.form-group {
    margin-bottom: 25px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: #334155;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 15px;
    border: 2px solid #e2e8f0;
    border-radius: 8px;
    font-size: 1rem;
    font-family: inherit;
    transition: border-color 0.3s ease;
}

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

.form-group textarea {
    resize: vertical;
}

.form-footer {
    text-align: center;
    margin-top: 30px;
    font-size: 1.1rem;
    color: #64748b;
    font-style: italic;
}

/* Messages */
.message {
    max-width: 600px;
    margin: 0 auto 30px;
    padding: 15px 20px;
    border-radius: 8px;
    text-align: center;
    font-weight: 500;
    display: none;
}

.message.success {
    background-color: #d1fae5;
    color: #065f46;
    border: 2px solid #10b981;
    display: block;
}

.message.error {
    background-color: #fee2e2;
    color: #991b1b;
    border: 2px solid #ef4444;
    display: block;
}

/* Features Section */
.features {
    background-color: #f8fafc;
    padding: 60px 20px;
}

.features h2 {
    text-align: center;
    font-size: 2rem;
    margin-bottom: 50px;
    color: #1e293b;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    max-width: 1000px;
    margin: 0 auto;
}

.feature-card {
    background: white;
    padding: 30px;
    border-radius: 12px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
}

.feature-card h3 {
    color: #667eea;
    margin-bottom: 15px;
    font-size: 1.2rem;
}

.feature-card p {
    color: #475569;
    line-height: 1.7;
}

/* Emotional Section */
.emotional {
    background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    color: white;
    padding: 80px 20px;
    text-align: center;
}

.emotional blockquote {
    font-size: 1.8rem;
    font-weight: 300;
    line-height: 1.6;
    max-width: 800px;
    margin: 0 auto;
    font-style: italic;
}

/* Audience Section */
.audience {
    background-color: white;
    padding: 60px 20px;
}

.audience h2 {
    text-align: center;
    font-size: 2rem;
    margin-bottom: 40px;
    color: #1e293b;
}

.audience-list {
    max-width: 600px;
    margin: 0 auto;
    list-style: none;
}

.audience-list li {
    padding: 15px 20px;
    margin-bottom: 10px;
    background-color: #f1f5f9;
    border-left: 4px solid #667eea;
    border-radius: 5px;
    font-size: 1.1rem;
}

/* Collaboration Section */
.collaboration {
    background-color: #f8fafc;
    padding: 60px 20px;
    text-align: center;
}

.collaboration h2 {
    font-size: 2rem;
    margin-bottom: 30px;
    color: #1e293b;
}

.collab-list {
    max-width: 600px;
    margin: 0 auto 40px;
}

.collab-list p {
    font-size: 1.2rem;
    margin: 15px 0;
    color: #334155;
}

.collab-title {
    font-size: 1.8rem;
    color: #667eea;
    font-weight: 700;
    margin-top: 40px;
}

/* Platform Section */
.platform {
    background-color: white;
    padding: 60px 20px;
    text-align: center;
}

.platform h2 {
    font-size: 2rem;
    margin-bottom: 30px;
    color: #1e293b;
}

.platform h3 {
    font-size: 1.5rem;
    margin: 30px 0 20px;
    color: #475569;
}

.platform-list {
    list-style: none;
    max-width: 400px;
    margin: 0 auto 30px;
}

.platform-list li {
    padding: 12px;
    font-size: 1.1rem;
    background-color: #f1f5f9;
    margin-bottom: 10px;
    border-radius: 5px;
}

.pwa-info {
    font-size: 1.1rem;
    color: #64748b;
    margin-top: 30px;
}

/* Footer */
footer {
    background: linear-gradient(135deg, #434343 0%, #000000 100%);
    color: white;
    padding: 40px 20px;
    text-align: center;
}

footer p {
    margin: 10px 0;
    font-size: 1.1rem;
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero h1 {
        font-size: 1.8rem;
    }

    .slogan {
        font-size: 1.1rem;
    }

    .description {
        font-size: 1rem;
    }

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

    .emotional blockquote {
        font-size: 1.4rem;
    }

    .form-section h2,
    .features h2,
    .audience h2,
    .collaboration h2,
    .platform h2 {
        font-size: 1.6rem;
    }

    .collab-title {
        font-size: 1.4rem;
    }

    .logo {
        max-width: 180px;
    }
}

@media (max-width: 480px) {
    .hero {
        padding: 50px 15px;
    }

    .hero h1 {
        font-size: 1.5rem;
    }

    .btn-primary {
        padding: 12px 30px;
        font-size: 1rem;
    }

    .btn-large {
        padding: 15px 30px;
        font-size: 1.1rem;
    }

    .container {
        padding: 0 15px;
    }
}