:root {
    --bg-start: #fafafa;
    --bg-end: #f0f2f5;
    --text-primary: #0a0a0a;
    --text-secondary: #525252;
    --text-muted: #a3a3a3;
    --accent: #6366f1;
    --accent-hover: #4f46e5;
    --accent-light: rgba(99, 102, 241, 0.1);
    --border: #e5e5e5;
    --card-bg: rgba(255, 255, 255, 0.7);
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.04);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 20px 40px -10px rgba(0, 0, 0, 0.1);
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
}

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

html, body {
    height: 100%;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: linear-gradient(135deg, var(--bg-start) 0%, var(--bg-end) 100%);
    color: var(--text-primary);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    position: relative;
    overflow-x: hidden;
}

body::before {
    content: '';
    position: absolute;
    top: -20%;
    right: -10%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, var(--accent-light) 0%, transparent 70%);
    border-radius: 50%;
    pointer-events: none;
    z-index: 0;
}

body::after {
    content: '';
    position: absolute;
    bottom: -20%;
    left: -10%;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(236, 72, 153, 0.08) 0%, transparent 70%);
    border-radius: 50%;
    pointer-events: none;
    z-index: 0;
}

.container {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 2rem 1.5rem;
    max-width: 640px;
    width: 100%;
    margin: 0 auto;
    text-align: center;
    position: relative;
    z-index: 1;
}

.badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.4rem 0.9rem;
    background: var(--card-bg);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid var(--border);
    border-radius: 999px;
    font-size: 0.8125rem;
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: 2rem;
    box-shadow: var(--shadow-sm);
}

.badge-dot {
    width: 6px;
    height: 6px;
    background: var(--accent);
    border-radius: 50%;
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(1.3); }
}

.title {
    font-size: clamp(2.25rem, 6vw, 3.75rem);
    font-weight: 800;
    line-height: 1.1;
    letter-spacing: -0.03em;
    margin-bottom: 1.25rem;
    color: var(--text-primary);
}

.title-accent {
    background: linear-gradient(135deg, var(--accent) 0%, #ec4899 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    font-style: italic;
    font-weight: 700;
}

.subtitle {
    font-size: 1.0625rem;
    color: var(--text-secondary);
    max-width: 480px;
    margin-bottom: 2.5rem;
    line-height: 1.6;
}

.signup-form {
    width: 100%;
    max-width: 460px;
}

.input-group {
    display: flex;
    gap: 0.5rem;
    background: var(--card-bg);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 0.4rem;
    box-shadow: var(--shadow-md);
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.input-group:focus-within {
    border-color: var(--accent);
    box-shadow: 0 0 0 4px var(--accent-light), var(--shadow-md);
}

.input-group input {
    flex: 1;
    border: none;
    background: transparent;
    padding: 0.75rem 1rem;
    font-size: 0.9375rem;
    font-family: inherit;
    color: var(--text-primary);
    outline: none;
    min-width: 0;
}

.input-group input::placeholder {
    color: var(--text-muted);
}

.submit-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.75rem 1.25rem;
    background: var(--text-primary);
    color: white;
    border: none;
    border-radius: var(--radius-sm);
    font-size: 0.9375rem;
    font-weight: 600;
    font-family: inherit;
    cursor: pointer;
    transition: background 0.2s ease, transform 0.1s ease;
    white-space: nowrap;
}

.submit-btn:hover {
    background: var(--accent);
    transform: translateY(-1px);
}

.submit-btn:active {
    transform: translateY(0);
}

.submit-btn svg {
    transition: transform 0.2s ease;
}

.submit-btn:hover svg {
    transform: translateX(2px);
}

.form-message {
    margin-top: 0.875rem;
    font-size: 0.875rem;
    min-height: 1.25rem;
    color: var(--text-muted);
}

.form-message.error {
    color: #dc2626;
}

.form-message.success {
    color: #059669;
}

.divider {
    display: flex;
    align-items: center;
    width: 100%;
    max-width: 460px;
    margin: 2.5rem 0 1.5rem;
    color: var(--text-muted);
    font-size: 0.8125rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.divider::before,
.divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background: var(--border);
}

.divider span {
    padding: 0 1rem;
}

.socials {
    display: flex;
    gap: 0.75rem;
    justify-content: center;
}

.social-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    background: var(--card-bg);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid var(--border);
    border-radius: 50%;
    color: var(--text-secondary);
    text-decoration: none;
    transition: all 0.2s ease;
    box-shadow: var(--shadow-sm);
}

.social-link:hover {
    color: var(--accent);
    border-color: var(--accent);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.footer {
    padding: 1.5rem;
    text-align: center;
    color: var(--text-muted);
    font-size: 0.8125rem;
    position: relative;
    z-index: 1;
}

.footer-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.2s ease;
}

.footer-link:hover {
    color: var(--accent);
}

@media (max-width: 480px) {
    .container {
        padding: 1.5rem 1.25rem;
    }

    .input-group {
        flex-direction: column;
        gap: 0.4rem;
        padding: 0.5rem;
    }

    .submit-btn {
        justify-content: center;
        padding: 0.875rem 1.25rem;
    }

    .divider {
        margin: 2rem 0 1.25rem;
    }
}