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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    line-height: 1.6;
    color: #333;
    background: #1B4D3E;
    min-height: 100vh;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Header */
.header {
    text-align: center;
    padding: 2rem 0;
    color: white;
}

.logo {
    font-size: 3.5rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    margin-bottom: 0.5rem;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    text-transform: uppercase;
}

.tagline {
    font-size: 1.2rem;
    font-weight: 300;
    opacity: 0.9;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    position: relative;
}

.tagline::before {
    content: '';
    position: absolute;
    top: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 2px;
    background: white;
}

/* Main content */
.main-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 2rem 0;
    max-width: 800px;
    margin: 0 auto;
}

.hero {
    text-align: center;
    margin-bottom: 6rem;
    color: white;
    padding: 4rem 0;
}

.hero-subtitle {
    font-size: 2.5rem;
    font-weight: 300;
    margin-bottom: 0;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    color: white;
    line-height: 1.3;
    max-width: 800px;
    margin: 0 auto;
}

/* Section Styles */
.section-title {
    font-size: 1.5rem;
    font-weight: 600;
    color: #1B4D3E;
    margin-bottom: 1.5rem;
    text-align: center;
}

.big-idea {
    background: white;
    padding: 3rem 2rem;
    border-radius: 12px;
    margin-bottom: 2rem;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    text-align: center;
}

.idea-content {
    margin-bottom: 2rem;
}

.idea-text {
    font-size: 1rem;
    color: #374151;
    line-height: 1.6;
    margin-bottom: 1rem;
}

.philosophy {
    border-top: 1px solid #e5e7eb;
    padding-top: 1.5rem;
}

.philosophy-title {
    font-size: 1.1rem;
    font-weight: 600;
    color: #1B4D3E;
    margin-bottom: 0.5rem;
}

.philosophy-text {
    font-size: 1rem;
    color: #6b7280;
    font-style: italic;
}

.features {
    background: white;
    padding: 3rem 2rem;
    border-radius: 12px;
    margin-bottom: 2rem;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.feature-card {
    text-align: center;
    padding: 1.5rem;
    border-radius: 8px;
    background: #f9fafb;
    transition: transform 0.2s ease;
}

.feature-card:hover {
    transform: translateY(-2px);
}

.feature-image {
    width: 100%;
    max-width: 200px;
    height: auto;
    border-radius: 8px;
    margin-bottom: 1rem;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.feature-title {
    font-size: 1.2rem;
    font-weight: 600;
    color: #1B4D3E;
    margin-bottom: 0.75rem;
}

.feature-description {
    font-size: 0.95rem;
    color: #6b7280;
    line-height: 1.5;
}

.waitlist-section {
    text-align: center;
    margin-bottom: 3rem;
    color: white;
}

.waitlist-subtitle {
    font-size: 1.3rem;
    font-weight: 400;
    color: white;
    margin-top: 1rem;
    opacity: 0.9;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.hero-subtitle {
    font-size: 1.1rem;
    opacity: 0.9;
    max-width: 600px;
    margin: 0 auto;
}

/* Waitlist form */
.waitlist-form-section {
    width: 100%;
    max-width: 500px;
    background: white;
    border-radius: 16px;
    padding: 2.5rem;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
    backdrop-filter: blur(10px);
}

.waitlist-form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.form-group {
    display: flex;
    flex-direction: column;
}

.form-label {
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: #374151;
    font-size: 0.95rem;
}

.form-input {
    padding: 0.875rem 1rem;
    border: 2px solid #e5e7eb;
    border-radius: 8px;
    font-size: 1rem;
    transition: all 0.2s ease;
    background: #f9fafb;
}

.form-input:focus {
    outline: none;
    border-color: #4CAF50;
    background: white;
    box-shadow: 0 0 0 3px rgba(76, 175, 80, 0.1);
}


/* Submit button */
.submit-btn {
    background: #1B4D3E;
    color: white;
    border: none;
    padding: 1rem 2rem;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    margin-top: 0.5rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.submit-btn:hover {
    background: #0f3d2f;
    transform: translateY(-1px);
    box-shadow: 0 10px 20px rgba(27, 77, 62, 0.3);
}

.submit-btn:active {
    transform: translateY(0);
}

/* Success message */
.success-message {
    background: #4CAF50;
    color: white;
    padding: 2rem;
    border-radius: 12px;
    text-align: center;
    margin-top: 1rem;
}

.success-message.hidden {
    display: none;
}

.success-checkmark {
    font-size: 4rem;
    font-weight: bold;
    margin-bottom: 1rem;
    color: white;
}

.success-content h3 {
    font-size: 1.5rem;
    margin-bottom: 0.75rem;
    font-weight: 600;
}

.success-content p {
    font-size: 1rem;
    opacity: 0.9;
    line-height: 1.5;
}

/* Footer */
.footer {
    text-align: center;
    padding: 2rem 0;
    color: white;
    opacity: 0.8;
    font-size: 0.875rem;
}

/* Mobile responsiveness */
@media (max-width: 768px) {
    .container {
        padding: 0 16px;
    }
    
    .logo {
        font-size: 2.5rem;
    }
    
    .tagline {
        font-size: 1rem;
    }
    
    .hero-subtitle {
        font-size: 1.5rem;
    }
    
    .hero-description {
        font-size: 1rem;
    }
    
    .big-idea, .technology {
        padding: 2rem 1.5rem;
        margin: 0 1rem 2rem 1rem;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .feature-card {
        padding: 1rem;
    }
    
    .feature-image {
        max-width: 150px;
    }
    
    .waitlist-form-section {
        padding: 1.5rem;
        margin: 0 1rem;
    }
    
    .checkbox-group {
        gap: 0.5rem;
    }
    
    .checkbox-label {
        font-size: 0.9rem;
    }
}

@media (max-width: 480px) {
    .logo {
        font-size: 2rem;
    }
    
    .hero-title {
        font-size: 1.75rem;
    }
    
    .waitlist-form-section {
        padding: 1.25rem;
    }
    
    .form-input {
        padding: 0.75rem;
    }
    
    .submit-btn {
        padding: 0.875rem 1.5rem;
    }
}

/* PWA specific styles */
@media (display-mode: standalone) {
    .container {
        padding-top: env(safe-area-inset-top);
        padding-bottom: env(safe-area-inset-bottom);
    }
}