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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    line-height: 1.4;
    color: #333;
    background: linear-gradient(to bottom, #badbff 0%, #ffffff 50%);
    min-height: 100vh;
}

.container {
    max-width: 600px;
    margin: 0 auto;
    min-height: 100vh;
    padding: 20px;
    background: transparent;
    box-shadow: none;
}

@media (min-width: 768px) {
    .container {
        max-width: 800px;
        padding: 30px;
    }
}

@media (min-width: 1024px) {
    .container {
        max-width: 1000px;
        padding: 40px;
    }
}

.screen {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    position: relative;
    background: transparent;
    border-radius: 12px;
    box-shadow: 0 0 20px rgba(0, 0, 0, 0.05);
}

header {
    text-align: center;
    padding: 15px 0;
    margin-bottom: 10px;
}

.logo {
    max-width: 160px;
    height: auto;
}

.content {
    flex-grow: 1;
    padding: 0 10px;
    margin-bottom: 20px;
}

.welcome-content {
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 20px;
    max-width: 500px;
    margin: 0 auto;
}

@media (min-width: 768px) {
    .welcome-content {
        gap: 25px;
    }
}

@media (min-width: 1024px) {
    .welcome-content {
        gap: 30px;
    }
}

h1 {
    font-size: 1.6rem;
    margin-bottom: 8px;
    color: #1a1a1a;
    line-height: 1.2;
    font-weight: 700;
}

@media (min-width: 768px) {
    h1 {
        font-size: 1.8rem;
        margin-bottom: 10px;
    }
}

@media (min-width: 1024px) {
    h1 {
        font-size: 2rem;
        margin-bottom: 12px;
    }
}

h3 {
    font-size: 1.1rem;
    color: #666;
    font-weight: 500;
}

@media (min-width: 768px) {
    h3 {
        font-size: 1.2rem;
    }
}

@media (min-width: 1024px) {
    h3 {
        font-size: 1.3rem;
    }
}

.highlight {
    color: #2851A3;
    font-weight: 600;
}

.benefits {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
    width: 100%;
    margin: 15px 0;
}

@media (min-width: 768px) {
    .benefits {
        gap: 15px;
        margin: 20px 0;
    }
}

@media (min-width: 1024px) {
    .benefits {
        gap: 20px;
        margin: 25px 0;
    }
}

.benefit-item {
    background: #f8f9ff;
    padding: 15px;
    border-radius: 8px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    transition: transform 0.2s ease;
}

@media (min-width: 768px) {
    .benefit-item {
        padding: 18px;
        gap: 10px;
    }
}

@media (min-width: 1024px) {
    .benefit-item {
        padding: 20px;
        gap: 12px;
    }
}

.benefit-item:hover {
    transform: translateY(-2px);
}

.benefit-icon {
    font-size: 1.6rem;
    margin-bottom: 2px;
}

.benefit-item p {
    font-size: 0.85rem;
    color: #444;
    font-weight: 500;
}

.welcome-text {
    font-size: 0.95rem;
    color: #666;
    max-width: 400px;
    margin: 0 auto;
    line-height: 1.4;
}

@media (min-width: 768px) {
    .welcome-text {
        font-size: 1rem;
        max-width: 450px;
    }
}

@media (min-width: 1024px) {
    .welcome-text {
        font-size: 1.1rem;
        max-width: 500px;
    }
}

.primary-button {
    background-color: #2851A3;
    color: white;
    padding: 14px 28px;
    border-radius: 25px;
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    align-items: center;
    gap: 8px;
    box-shadow: 0 4px 12px rgba(40, 81, 163, 0.2);
}

.primary-button:disabled {
    background-color: #cccccc;
    cursor: not-allowed;
    box-shadow: none;
    transform: none;
}

.primary-button:disabled:hover {
    background-color: #cccccc;
    transform: none;
    box-shadow: none;
}

.primary-button:disabled .button-arrow {
    transform: none;
}

@media (min-width: 768px) {
    .primary-button {
        padding: 16px 32px;
        font-size: 1rem;
        margin-top: 20px;
    }
}

@media (min-width: 1024px) {
    .primary-button {
        padding: 18px 36px;
        font-size: 1.1rem;
        margin-top: 25px;
    }
}

.primary-button:hover {
    background-color: #1a3f8a;
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(40, 81, 163, 0.3);
}

.button-arrow {
    font-size: 1.2rem;
    transition: transform 0.3s ease;
}

.primary-button:hover .button-arrow {
    transform: translateX(4px);
}

.progress-bar {
    height: 4px;
    background-color: #e0e0e0;
    margin-bottom: 40px;
}

.progress {
    height: 100%;
    background-color: #2851A3;
    transition: width 0.3s ease;
}

.question-number {
    font-size: 0.9rem;
    color: #666;
    margin-bottom: 20px;
}

.question-container {
    margin-bottom: 40px;
}

.question-title {
    font-size: 1.5rem;
    margin-bottom: 30px;
    color: #1a1a1a;
}

.options-grid {
    display: grid;
    gap: 15px;
    margin-top: 20px;
}

.option-button {
    background-color: white;
    border: 1px solid #ddd;
    border-radius: 8px;
    padding: 15px;
    text-align: left;
    cursor: pointer;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    gap: 15px;
    font-size: 1.1rem;
}

.option-button:hover {
    border-color: #2851A3;
    background-color: #f8f9ff;
}

.option-button.selected {
    background-color: #f0f4ff;
    border-color: #2851A3;
}

.option-icon {
    width: 24px;
    height: 24px;
    object-fit: contain;
}

.slider-container {
    margin: 40px 0;
}

.slider {
    width: 100%;
    height: 4px;
    -webkit-appearance: none;
    background: #e0e0e0;
    border-radius: 2px;
    outline: none;
}

.slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 20px;
    height: 20px;
    background: #2851A3;
    border-radius: 50%;
    cursor: pointer;
}

.slider-value {
    text-align: center;
    font-size: 1.5rem;
    margin-top: 20px;
    color: #2851A3;
}

.bottom-buttons {
    display: flex;
    justify-content: flex-end;
    padding: 20px;
    margin-top: auto;
    position: sticky;
    bottom: 0;
    background: linear-gradient(to bottom, transparent 0%, white 100%);
    padding-top: 30px;
}

#back-button {
    position: absolute;
    left: 20px;
}

.secondary-button {
    background-color: #f5f5f7;
    color: #333;
    padding: 14px 28px;
    border-radius: 25px;
    font-size: 0.95rem;
    font-weight: 400;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 8px;
    border: none;
}

@media (min-width: 768px) {
    .secondary-button {
        padding: 16px 32px;
        font-size: 1rem;
    }
}

@media (min-width: 1024px) {
    .secondary-button {
        padding: 18px 36px;
        font-size: 1.1rem;
    }
}

.secondary-button:hover {
    background-color: #e5e5e7;
    transform: translateY(-2px);
}

.email-input {
    width: 100%;
    padding: 15px;
    border: 1px solid #ddd;
    border-radius: 8px;
    font-size: 1rem;
    margin-top: 20px;
}

.email-input:focus {
    outline: none;
    border-color: #2851A3;
}

@media (min-width: 768px) {
    .option-button {
        font-size: 1.2rem;
    }
}

@media (min-width: 1024px) {
    .option-button {
        font-size: 1.3rem;
    }
}

.share-button {
    background-color: #4CAF50;
    color: white;
    border: none;
    padding: 12px 24px;
    border-radius: 25px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    margin-top: 20px;
    box-shadow: 0 2px 5px rgba(0,0,0,0.2);
}

.share-button:hover {
    background-color: #45a049;
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0,0,0,0.2);
}

.share-button:active {
    transform: translateY(0);
    box-shadow: 0 2px 5px rgba(0,0,0,0.2);
}

.waitlist-form {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 15px;
    width: 100%;
    max-width: 400px;
    margin: 20px auto 0;
}

.waitlist-form input[type="email"] {
    padding: 14px 20px;
    border: 1px solid #ccc;
    border-radius: 25px;
    font-size: 0.95rem;
    width: 100%;
    min-width: 200px;
    box-shadow: inset 0 1px 3px rgba(0,0,0,0.1);
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
    box-sizing: border-box;
}

.waitlist-form input[type="email"]:focus {
    border-color: #2851A3;
    outline: none;
    box-shadow: inset 0 1px 3px rgba(0,0,0,0.1), 0 0 5px rgba(40, 81, 163, 0.5);
}

.waitlist-form .primary-button {
    white-space: nowrap;
    width: auto;
}

.welcome-message {
    font-size: 1rem;
    color: #555;
    line-height: 1.5;
    max-width: 450px;
    margin: 5px auto;
}

@media (min-width: 768px) {
    .welcome-message {
        font-size: 1.1rem;
    }
}

.welcome-message:first-of-type {
    font-weight: 600;
    color: #333;
}