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

:root {
    --primary-color: #2563eb;
    --secondary-color: #1e40af;
    --text-dark: #1f2937;
    --text-light: #6b7280;
    --bg-light: #f9fafb;
    --bg-white: #ffffff;
    --border-color: #e5e7eb;
    --success-color: #10b981;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    background-color: var(--bg-white);
}

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

/* Navigation */
.navbar {
    background-color: var(--bg-white);
    border-bottom: 1px solid var(--border-color);
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 100;
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-brand a {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
    text-decoration: none;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-menu a {
    color: var(--text-dark);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s;
}

.nav-menu a:hover,
.nav-menu a.active {
    color: var(--primary-color);
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: white;
    padding: 6rem 0;
    text-align: center;
}

.hero h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
    font-weight: 700;
}

.hero .subtitle {
    font-size: 1.25rem;
    opacity: 0.95;
}

/* Sections */
section {
    padding: 4rem 0;
}

section h2 {
    font-size: 2rem;
    margin-bottom: 2rem;
    color: var(--text-dark);
    text-align: center;
}

.upcoming-app {
    background-color: var(--bg-light);
}

.app-card {
    background: var(--bg-white);
    border-radius: 12px;
    padding: 2rem;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
    display: flex;
    gap: 2rem;
    align-items: center;
    max-width: 800px;
    margin: 0 auto;
}

.app-card.featured {
    border: 2px solid var(--primary-color);
}

.app-icon {
    font-size: 4rem;
    flex-shrink: 0;
}

.app-details h3 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
    color: var(--text-dark);
}

.app-details p {
    color: var(--text-light);
    margin-bottom: 1rem;
}

.badge {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    background-color: var(--primary-color);
    color: white;
    border-radius: 9999px;
    font-size: 0.875rem;
    font-weight: 500;
}

.about-preview {
    text-align: center;
}

.about-preview p {
    max-width: 700px;
    margin: 0 auto 2rem;
    color: var(--text-light);
    font-size: 1.125rem;
    line-height: 1.8;
}

.btn {
    display: inline-block;
    padding: 0.75rem 2rem;
    background-color: var(--primary-color);
    color: white;
    text-decoration: none;
    border-radius: 6px;
    font-weight: 500;
    transition: background-color 0.3s;
}

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

/* Apps Grid */
.apps-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 400px));
    gap: 2rem;
    margin-top: 2rem;
    justify-content: center;
}

.app-card.grid-item {
    flex-direction: column;
    text-align: center;
}

.empty-state {
    text-align: center;
    padding: 4rem 2rem;
    color: var(--text-light);
}

.empty-state p {
    font-size: 1.125rem;
    margin-top: 1rem;
}

/* Waitlist Form */
.waitlist-form {
    max-width: 500px;
    margin: 0 auto;
}

.form-group-inline {
    display: flex;
    gap: 1rem;
    align-items: stretch;
}

.form-group-inline input[type="email"] {
    flex: 1;
    padding: 0.75rem 1rem;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    font-family: inherit;
    font-size: 1rem;
}

.form-group-inline input[type="email"]:focus {
    outline: none;
    border-color: var(--primary-color);
}

.form-group-inline .btn-submit {
    width: auto;
    padding: 0.75rem 2rem;
    white-space: nowrap;
}

/* About Page */
.about-content {
    max-width: 800px;
    margin: 0 auto;
}

.about-content h3 {
    font-size: 1.5rem;
    margin-top: 2rem;
    margin-bottom: 1rem;
    color: var(--text-dark);
}

.about-content p {
    color: var(--text-light);
    margin-bottom: 1rem;
    line-height: 1.8;
}

.about-content ul {
    color: var(--text-light);
    line-height: 1.8;
    margin-bottom: 1rem;
    padding-left: 1.5rem;
}

.about-content li {
    margin-bottom: 0.5rem;
}

/* Contact Form */
.contact-form {
    max-width: 600px;
    margin: 2rem auto;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: var(--text-dark);
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    font-family: inherit;
    font-size: 1rem;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
}

.form-group textarea {
    min-height: 150px;
    resize: vertical;
}

.btn-submit {
    width: 100%;
    padding: 1rem;
    background-color: var(--primary-color);
    color: white;
    border: none;
    border-radius: 6px;
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: background-color 0.3s;
}

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

.success-message {
    background-color: #d1fae5;
    color: #065f46;
    padding: 1rem;
    border-radius: 6px;
    margin-bottom: 1rem;
    display: none;
}

.success-message.show {
    display: block;
}

/* Legal Pages */
.legal-content {
    max-width: 800px;
    margin: 2rem auto;
}

.legal-content h3 {
    font-size: 1.25rem;
    margin-top: 2rem;
    margin-bottom: 1rem;
    color: var(--text-dark);
}

.legal-content p,
.legal-content li {
    color: var(--text-light);
    margin-bottom: 1rem;
    line-height: 1.8;
}

.legal-content ul {
    margin-left: 2rem;
}

/* Footer */
.footer {
    background-color: var(--text-dark);
    color: white;
    padding: 3rem 0 1rem;
    margin-top: 4rem;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-section h4 {
    margin-bottom: 1rem;
    font-size: 1.125rem;
}

.footer-section p {
    opacity: 0.8;
}

.footer-section ul {
    list-style: none;
}

.footer-section ul li {
    margin-bottom: 0.5rem;
}

.footer-section a {
    color: white;
    text-decoration: none;
    opacity: 0.8;
    transition: opacity 0.3s;
}

.footer-section a:hover {
    opacity: 1;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 1rem;
    text-align: center;
    opacity: 0.8;
}

/* Responsive */
@media (max-width: 768px) {
    .nav-menu {
        gap: 1rem;
        font-size: 0.9rem;
    }

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

    .hero .subtitle {
        font-size: 1rem;
    }

    .app-card {
        flex-direction: column;
        text-align: center;
    }

    section {
        padding: 2rem 0;
    }

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