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

:root {
    --primary: #2563eb;
    --primary-dark: #1d4ed8;
    --primary-light: #3b82f6;
    --accent: #06b6d4;
    --bg-dark: #0f172a;
    --bg-card: #1e293b;
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    --border: #334155;
    --success: #10b981;
}

html {
    font-size: 16px;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: var(--bg-dark);
    color: var(--text-primary);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    overflow-x: hidden;
    line-height: 1.6;
}

/* Animated Background */
.background-shapes {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    overflow: hidden;
    z-index: 0;
}

.shape {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.4;
}

.shape-1 {
    width: 600px;
    height: 600px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
    top: -200px;
    right: -200px;
    animation: float1 20s ease-in-out infinite;
}

.shape-2 {
    width: 400px;
    height: 400px;
    background: linear-gradient(135deg, var(--accent) 0%, #8b5cf6 100%);
    bottom: -100px;
    left: -100px;
    animation: float2 25s ease-in-out infinite;
}

.shape-3 {
    width: 300px;
    height: 300px;
    background: linear-gradient(135deg, #8b5cf6 0%, var(--primary) 100%);
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    animation: float3 18s ease-in-out infinite;
}

@keyframes float1 {
    0%, 100% { transform: translate(0, 0) rotate(0deg); }
    33% { transform: translate(-50px, 50px) rotate(120deg); }
    66% { transform: translate(30px, -30px) rotate(240deg); }
}

@keyframes float2 {
    0%, 100% { transform: translate(0, 0) rotate(0deg); }
    33% { transform: translate(40px, -40px) rotate(-120deg); }
    66% { transform: translate(-30px, 30px) rotate(-240deg); }
}

@keyframes float3 {
    0%, 100% { transform: translate(-50%, -50%) scale(1); }
    50% { transform: translate(-50%, -50%) scale(1.2); }
}

/* Main Container */
.container {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 2rem;
    position: relative;
    z-index: 1;
}

/* Logo Section */
.logo-section {
    margin-bottom: 3rem;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: var(--text-primary);
}

.logo svg {
    width: 48px;
    height: 48px;
}

.logo-text {
    font-size: 2rem;
    font-weight: 700;
    letter-spacing: -0.02em;
}

/* Content */
.content {
    text-align: center;
    max-width: 640px;
}

.badge {
    display: inline-block;
    background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
    color: white;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    padding: 0.5rem 1rem;
    border-radius: 9999px;
    margin-bottom: 1.5rem;
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { box-shadow: 0 0 0 0 rgba(37, 99, 235, 0.4); }
    50% { box-shadow: 0 0 0 15px rgba(37, 99, 235, 0); }
}

h1 {
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 700;
    letter-spacing: -0.03em;
    margin-bottom: 1rem;
    background: linear-gradient(135deg, var(--text-primary) 0%, var(--text-secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.subtitle {
    font-size: 1.125rem;
    color: var(--text-secondary);
    margin-bottom: 2.5rem;
    line-height: 1.7;
}

.subtitle strong {
    color: var(--text-primary);
    font-weight: 500;
}

/* Features */
.features {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
    margin-bottom: 3rem;
    max-width: 480px;
    margin-left: auto;
    margin-right: auto;
}

.feature {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.625rem;
    background: var(--bg-card);
    border: 1px solid var(--border);
    padding: 1rem 1.25rem;
    border-radius: 0.75rem;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-secondary);
    transition: all 0.3s ease;
}

.feature:hover {
    border-color: var(--primary);
    color: var(--text-primary);
    transform: translateY(-2px);
    background: rgba(37, 99, 235, 0.1);
}

.feature-icon {
    width: 20px;
    height: 20px;
    color: var(--primary-light);
}

.feature-icon svg {
    width: 100%;
    height: 100%;
}

/* Notify Section */
.notify-section {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 1rem;
    padding: 2rem;
}

.notify-text {
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin-bottom: 1rem;
}

.notify-form {
    display: flex;
    gap: 0.75rem;
    transition: all 0.3s ease;
}

.notify-form input {
    flex: 1;
    background: var(--bg-dark);
    border: 1px solid var(--border);
    border-radius: 0.5rem;
    padding: 0.875rem 1rem;
    font-size: 1rem;
    color: var(--text-primary);
    font-family: inherit;
    transition: all 0.3s ease;
}

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

.notify-form input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.2);
}

.notify-form button {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: white;
    border: none;
    border-radius: 0.5rem;
    padding: 0.875rem 1.5rem;
    font-size: 1rem;
    font-weight: 500;
    font-family: inherit;
    cursor: pointer;
    transition: all 0.3s ease;
}

.notify-form button:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px -10px rgba(37, 99, 235, 0.5);
}

.notify-form button svg {
    width: 18px;
    height: 18px;
}

.privacy-note {
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-top: 0.75rem;
}

/* Success Message */
.success-message {
    display: none;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    background: rgba(16, 185, 129, 0.1);
    border: 1px solid var(--success);
    border-radius: 0.75rem;
    padding: 1.25rem 1.5rem;
    margin-top: 1rem;
    color: var(--success);
}

.success-message.show {
    display: flex;
    animation: fadeIn 0.5s ease forwards;
}

.success-message svg {
    width: 24px;
    height: 24px;
    flex-shrink: 0;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Footer */
footer {
    text-align: center;
    padding: 2rem;
    color: var(--text-muted);
    font-size: 0.875rem;
    position: relative;
    z-index: 1;
}

/* Responsive - Tablet */
@media (max-width: 768px) {
    .features {
        max-width: 400px;
    }
}

/* Responsive - Mobile */
@media (max-width: 640px) {
    .container {
        padding: 1.5rem;
    }

    .logo svg {
        width: 40px;
        height: 40px;
    }

    .logo-text {
        font-size: 1.5rem;
    }

    .features {
        grid-template-columns: 1fr;
        max-width: 280px;
        gap: 0.75rem;
    }

    .feature {
        padding: 0.875rem 1rem;
        font-size: 0.875rem;
    }

    .notify-section {
        padding: 1.5rem;
    }

    .notify-form {
        flex-direction: column;
    }

    .notify-form button {
        justify-content: center;
    }

    .success-message {
        flex-direction: column;
        text-align: center;
    }
}

/* Responsive - Large screens */
@media (min-width: 900px) {
    .features {
        grid-template-columns: repeat(4, auto);
        max-width: none;
        gap: 1rem;
    }

    .feature {
        padding: 1rem 1.5rem;
    }
}

/* Reduced Motion */
@media (prefers-reduced-motion: reduce) {
    .shape {
        animation: none;
    }

    .badge {
        animation: none;
    }

    .feature:hover {
        transform: none;
    }

    .notify-form button:hover {
        transform: none;
    }
}