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

:root {
    --blue: #0066FF;
    --blue-hover: #0052cc;
    --white: #ffffff;
    --surface: #fafafa;
    --border: #eeeeee;
    --text-primary: #111111;
    --text-secondary: #666666;
}

body {
    background-color: var(--white);
    color: var(--text-primary);
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

.container {
    max-width: 600px;
    margin: 0 auto;
    padding: 4rem 1.5rem;
    text-align: center;
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}

header {
    margin-bottom: 3rem;
}

.logo {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    margin-bottom: 2rem;
}

.logo-icon {
    width: 48px;
    height: 48px;
}

.logo-text {
    font-size: 2rem;
    font-weight: 800;
    letter-spacing: -0.02em;
}

h1 {
    font-size: 2.5rem;
    font-weight: 800;
    line-height: 1.2;
    letter-spacing: -0.03em;
    margin-bottom: 1.5rem;
}

.description {
    font-size: 1.125rem;
    color: var(--text-secondary);
    margin-bottom: 2.5rem;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem 2rem;
    background-color: var(--blue);
    color: white;
    text-decoration: none;
    border-radius: 12px;
    font-weight: 600;
    transition: all 0.2s ease;
}

.btn:hover {
    background-color: var(--blue-hover);
    transform: translateY(-2px);
}

.btn svg {
    width: 20px;
    height: 20px;
}

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

.btn-secondary:hover {
    background-color: #f0f7ff;
    transform: translateY(-2px);
}

.buttons-container {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    align-items: center;
    margin-bottom: 2.5rem;
}

footer {
    padding: 2rem;
    border-top: 1px solid var(--border);
    text-align: center;
    font-size: 0.875rem;
}

.footer-links {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
    margin-top: 0.5rem;
}

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

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

/* Language Switcher Popup Styles */
.lang-switcher {
    position: absolute;
    top: 1.5rem;
    right: 1.5rem;
    z-index: 1000;
}

.lang-dropdown {
    position: relative;
    display: inline-block;
}

.lang-trigger {
    background: var(--white);
    border: 1px solid var(--border);
    padding: 0.4rem;
    border-radius: 50%;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.2s;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

.lang-trigger:hover {
    border-color: var(--blue);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.lang-trigger img {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    object-fit: cover;
}

.lang-menu {
    position: absolute;
    top: calc(100% + 0.5rem);
    right: 0;
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 0.5rem;
    min-width: 160px;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
    display: none;
    flex-direction: column;
    gap: 0.25rem;
    animation: slideUp 0.2s ease-out;
}

.lang-menu.show {
    display: flex;
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(10px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.lang-option {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.6rem 0.8rem;
    border: none;
    background: none;
    width: 100%;
    text-align: left;
    cursor: pointer;
    border-radius: 8px;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-primary);
    transition: background 0.2s;
}

.lang-option:hover {
    background: var(--surface);
}

.lang-option img {
    width: 20px;
    height: 20px;
    border-radius: 50%;
}

.lang-option.active {
    color: var(--blue);
    background: #f0f7ff;
}

@media (max-width: 480px) {
    h1 {
        font-size: 2rem;
    }

    .lang-switcher {
        top: 1rem;
        right: 1rem;
    }
}