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

:root {
    --primary-color: #2c3e50;
    --accent-color: #3498db;
    --success-color: #27ae60;
    --text-color: #333;
    --bg-color: #f8f9fa;
    --card-bg: #ffffff;
    --border-color: #e1e8ed;
    --coming-soon-color: #95a5a6;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--bg-color);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.container {
    max-width: 800px;
    margin: 0 auto;
    padding: 2rem 1.5rem;
    flex: 1;
    display: flex;
    flex-direction: column;
}

header {
    text-align: center;
    margin-bottom: 3rem;
    padding-bottom: 2rem;
    border-bottom: 1px solid var(--border-color);
}

header h1 {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.tagline {
    font-size: 1.1rem;
    color: var(--coming-soon-color);
    font-weight: 300;
}

main {
    flex: 1;
}

.intro {
    text-align: center;
    margin-bottom: 3rem;
}

.intro p {
    font-size: 1.2rem;
    color: var(--text-color);
}

.intro .benefits {
    background-color: transparent;
    padding: 0;
}

.intro .benefits-list {
    max-width: 600px;
}

.city-selection h2 {
    text-align: center;
    margin-bottom: 2rem;
    color: var(--primary-color);
    font-weight: 600;
}

.cities-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 1rem;
    margin-bottom: 2rem;
}

.city-card {
    background: var(--card-bg);
    border: 2px solid var(--border-color);
    border-radius: 12px;
    padding: 1.5rem 1rem;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
}

.city-card h3 {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-color);
    margin-bottom: 0.5rem;
}

.city-card .status {
    font-size: 0.85rem;
    font-weight: 500;
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    display: inline-block;
}

.city-card.active {
    border-color: var(--success-color);
}

.city-card.active .status {
    background-color: #d4edda;
    color: var(--success-color);
}

.city-card.active:hover {
    border-color: var(--success-color);
    box-shadow: 0 4px 12px rgba(39, 174, 96, 0.15);
    transform: translateY(-2px);
}

.city-card.coming-soon {
    opacity: 0.6;
}

.city-card.coming-soon .status {
    background-color: #f8f9fa;
    color: var(--coming-soon-color);
}

.city-card.coming-soon:hover {
    border-color: var(--accent-color);
    opacity: 1;
    transform: translateY(-2px);
}

.city-card.selected {
    border-color: var(--accent-color);
    box-shadow: 0 4px 12px rgba(52, 152, 219, 0.2);
}

.other-city {
    text-align: center;
    margin-top: 2rem;
    padding-top: 2rem;
    border-top: 1px solid var(--border-color);
}

.other-city p {
    margin-bottom: 1rem;
    color: var(--text-color);
}

.btn-primary,
.btn-secondary {
    padding: 0.75rem 2rem;
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    display: inline-block;
}

.btn-primary {
    background-color: var(--accent-color);
    color: white;
}

.btn-primary:hover {
    background-color: #2980b9;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(52, 152, 219, 0.3);
}

.btn-secondary {
    background-color: transparent;
    color: var(--accent-color);
    border: 2px solid var(--accent-color);
}

.btn-secondary:hover {
    background-color: var(--accent-color);
    color: white;
}

.btn-large {
    padding: 1rem 3rem;
    font-size: 1.1rem;
}

.hidden {
    display: none !important;
}

.city-form,
.join-section,
.coming-soon-message {
    margin-top: 3rem;
    padding: 2rem;
    background: var(--card-bg);
    border-radius: 12px;
    border: 1px solid var(--border-color);
    text-align: center;
}

.city-form h3,
.join-section h2,
.coming-soon-message h2 {
    margin-bottom: 1rem;
    color: var(--primary-color);
}

.city-form .form-description {
    margin-bottom: 1.5rem;
    color: var(--text-color);
}

.city-form form,
.coming-soon-message form {
    max-width: 400px;
    margin: 1.5rem auto 0;
}

.city-form input[type="text"],
.city-form input[type="email"],
.coming-soon-message input[type="email"] {
    width: 100%;
    padding: 0.75rem;
    margin-bottom: 1rem;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    font-size: 1rem;
}

.city-form input:focus,
.coming-soon-message input:focus {
    outline: none;
    border-color: var(--accent-color);
    box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.1);
}

.form-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
}

.join-section .join-intro {
    margin-bottom: 2rem;
    color: var(--text-color);
    font-size: 1.05rem;
}

.benefits {
    margin: 2rem 0;
    padding: 1.5rem;
    background-color: var(--bg-color);
    border-radius: 8px;
    text-align: left;
}

.benefits h3 {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: 1rem;
    text-align: center;
}

.benefits-list {
    list-style: none;
    padding: 0;
    max-width: 500px;
    margin: 0 auto;
}

.benefits-list li {
    padding: 0.5rem 0;
    padding-left: 1.5rem;
    position: relative;
    color: var(--text-color);
    line-height: 1.5;
}

.benefits-list li::before {
    content: "•";
    position: absolute;
    left: 0;
    color: var(--accent-color);
    font-weight: bold;
    font-size: 1.2rem;
}

.coming-soon-message .notify-text {
    margin-top: 1rem;
    margin-bottom: 1rem;
    color: var(--text-color);
}

footer {
    margin-top: 4rem;
    padding-top: 2rem;
    border-top: 1px solid var(--border-color);
    text-align: center;
    color: var(--coming-soon-color);
    font-size: 0.9rem;
}

@media (max-width: 600px) {
    header h1 {
        font-size: 2rem;
    }

    .cities-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .btn-large {
        padding: 0.875rem 2rem;
        font-size: 1rem;
    }
}