:root {
    --primary-color: #63D686; /* Mint green inspired by the money in the icon */
    --primary-hover: #4FB86F;
    --background-color: #121212;
    --card-background: #1C1C1E;
    --text-color: #FFFFFF;
    --text-secondary: #8E8E93;
    --border-color: #38383A;
    --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

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

.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 100;
    background-color: rgba(26, 29, 33, 0.8);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.nav-container {
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
    width: 100%;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-weight: 700;
    font-size: 1.25rem;
    color: var(--text-color);
    text-decoration: none;
}

.logo-icon {
    display: flex;
    align-items: center;
    justify-content: center;
}

.logo-icon img {
    width: 40px;
    height: 40px;
    object-fit: contain;
    border-radius: 8px;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.75rem 1.5rem;
    border-radius: 9999px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
}

.btn-primary {
    background-color: var(--primary-color);
    color: #1A1D21;
}

.btn-primary:hover {
    background-color: var(--primary-hover);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(99, 214, 134, 0.3);
}

body {
    font-family: var(--font-family);
    background-color: var(--background-color);
    color: var(--text-color);
    line-height: 1.6;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

.container {
    max-width: 600px;
    margin: 0 auto;
    padding: 40px 20px;
    width: 100%;
}

header {
    text-align: center;
    margin-bottom: 40px;
}

.app-logo {
    width: 120px;
    height: 120px;
    border-radius: 22px; /* iOS app icon style */
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.5);
    margin-bottom: 20px;
}

h1 {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 8px;
}

p.subtitle {
    color: var(--text-secondary);
    font-size: 16px;
}

.contact-card {
    background-color: var(--card-background);
    padding: 30px;
    border-radius: 16px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

.form-group {
    margin-bottom: 20px;
}

label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: var(--text-color);
}

input, textarea {
    width: 100%;
    padding: 12px;
    background-color: #2C2C2E;
    border: 1px solid var(--border-color);
    border-radius: 10px;
    color: var(--text-color);
    font-size: 16px;
    font-family: inherit;
    transition: border-color 0.2s;
}

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

textarea {
    resize: vertical;
    min-height: 120px;
}

button.submit-btn {
    width: 100%;
    padding: 14px;
    background-color: var(--primary-color);
    color: #000;
    border: none;
    border-radius: 12px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: background-color 0.2s, transform 0.1s;
}

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

button.submit-btn:active {
    transform: scale(0.98);
}

.direct-contact {
    margin-top: 30px;
    text-align: center;
    color: var(--text-secondary);
    font-size: 14px;
}

.direct-contact a {
    color: var(--primary-color);
    text-decoration: none;
}

.direct-contact a:hover {
    text-decoration: underline;
}

/* Footer */
.footer {
    background-color: #151719;
    padding: 4rem 0;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    margin-top: auto;
}

.footer-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2rem;
    text-align: center;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
}

.footer-brand .logo-text {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-color);
    display: block;
    margin-bottom: 0.5rem;
}

.footer-brand p {
    color: var(--text-secondary);
}

.footer-links {
    display: flex;
    gap: 2rem;
}

.footer-links a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-links a:hover {
    color: var(--primary-color);
}

.footer-social {
    display: flex;
    gap: 1rem;
}

.footer-social a {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.05);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    color: var(--text-color);
}

.footer-social a:hover {
    background-color: var(--primary-color);
    color: #1A1D21;
}

.footer-copyright {
    color: #4B5563;
    font-size: 0.875rem;
    margin-top: 2rem;
}

@media (max-width: 640px) {
    .footer-links {
        flex-direction: column;
        gap: 1rem;
    }
}