/* Reset and Base Styles */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

:root {
    --primary: #6366f1;
    --primary-dark: #4f46e5;
    --primary-light: #818cf8;
    --secondary: #10b981;
    --text-primary: #111827;
    --text-secondary: #6b7280;
    --text-light: #9ca3af;
    --bg-primary: #ffffff;
    --bg-secondary: #f9fafb;
    --border: #e5e7eb;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);

    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    font-size: 16px;
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--bg-primary);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Background Gradient */
.background-gradient {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 50%, #f093fb 100%);
    opacity: 0.05;
    z-index: -1;
}

/* Main Content */
.main-content {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 60px 24px;
    min-height: calc(100vh - 80px);
}

.container {
    max-width: 700px;
    margin: 0 auto;
    width: 100%;
}

/* Logo */
.logo-container {
    text-align: center;
    margin-bottom: 48px;
}

.logo {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    text-decoration: none;
    color: var(--text-primary);
    font-weight: 700;
    font-size: 1.75rem;
}

.logo-icon {
    font-size: 2.5rem;
}

.logo-text {
    font-weight: 800;
}

.logo-dot {
    color: var(--primary);
}

/* Content Wrapper */
.content-wrapper {
    text-align: center;
}

/* Badge */
.badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: white;
    padding: 8px 16px;
    border-radius: 100px;
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 32px;
    box-shadow: var(--shadow-md);
}

.badge-icon {
    font-size: 1rem;
}

/* Main Title */
.main-title {
    font-size: 4rem;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 16px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 50%, #764ba2 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Subtitle */
.subtitle {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 16px;
}

/* Description */
.description {
    font-size: 1.125rem;
    line-height: 1.7;
    color: var(--text-secondary);
    max-width: 550px;
    margin: 0 auto 48px;
}

/* Newsletter Form */
.newsletter-form {
    margin-bottom: 48px;
}

.form {
    animation: fadeInUp 0.6s ease;
}

.input-group {
    display: flex;
    gap: 12px;
    max-width: 500px;
    margin: 0 auto 12px;
}

.email-input {
    flex: 1;
    padding: 16px 20px;
    border: 2px solid var(--border);
    border-radius: 12px;
    font-size: 1rem;
    font-family: inherit;
    transition: var(--transition);
    outline: none;
}

.email-input:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.email-input::placeholder {
    color: var(--text-light);
}

.submit-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 16px 28px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: white;
    border: none;
    border-radius: 12px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    white-space: nowrap;
}

.submit-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

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

.btn-icon {
    flex-shrink: 0;
}

.form-note {
    font-size: 0.875rem;
    color: var(--text-light);
}

/* Success Message */
.success-message {
    text-align: center;
    animation: fadeInUp 0.6s ease;
}

.success-icon {
    margin-bottom: 16px;
}

.success-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 8px;
    color: var(--text-primary);
}

.success-text {
    font-size: 1rem;
    color: var(--text-secondary);
}

/* Features */
.features {
    display: flex;
    justify-content: center;
    gap: 32px;
    flex-wrap: wrap;
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--text-secondary);
}

.feature-icon {
    font-size: 1.25rem;
}

/* Footer */
.footer {
    padding: 32px 24px;
    border-top: 1px solid var(--border);
    background-color: var(--bg-secondary);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 700px;
    margin: 0 auto;
}

.footer-text {
    font-size: 0.875rem;
    color: var(--text-light);
}

.social-links {
    display: flex;
    gap: 16px;
}

.social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background-color: var(--bg-primary);
    color: var(--text-secondary);
    transition: var(--transition);
}

.social-link:hover {
    background-color: var(--primary);
    color: white;
    transform: translateY(-2px);
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
}

/* Responsive Design */
@media (max-width: 768px) {
    .main-content {
        padding: 40px 20px;
    }

    .main-title {
        font-size: 2.5rem;
    }

    .subtitle {
        font-size: 1.25rem;
    }

    .description {
        font-size: 1rem;
    }

    .input-group {
        flex-direction: column;
    }

    .submit-btn {
        width: 100%;
        justify-content: center;
    }

    .features {
        flex-direction: column;
        gap: 16px;
    }

    .footer-content {
        flex-direction: column;
        gap: 20px;
        text-align: center;
    }
}

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

    .logo {
        font-size: 1.5rem;
    }

    .logo-icon {
        font-size: 2rem;
    }
}