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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: #1f2937;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    overflow-x: hidden;
}

.container {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem 1rem;
}

/* Background Animation */
.bg-animation {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    overflow: hidden;
}

.floating-shape {
    position: absolute;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    animation: float 6s ease-in-out infinite;
}

.shape-1 {
    width: 80px;
    height: 80px;
    top: 20%;
    left: 10%;
    animation-delay: 0s;
}

.shape-2 {
    width: 120px;
    height: 120px;
    top: 60%;
    right: 15%;
    animation-delay: 2s;
}

.shape-3 {
    width: 60px;
    height: 60px;
    bottom: 30%;
    left: 20%;
    animation-delay: 4s;
}

.shape-4 {
    width: 100px;
    height: 100px;
    top: 10%;
    right: 30%;
    animation-delay: 1s;
}

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

/* Main Content */
.main-content {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    border-radius: 24px;
    padding: 3rem 2rem;
    max-width: 900px;
    width: 100%;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.main-content::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, #3b82f6, #8b5cf6, #06b6d4);
}

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

.logo {
    display: inline-block;
    margin-bottom: 1rem;
}

.logo img {
    width: 350px;
    height: auto;
    max-width: none;
}

.brand-name {
    font-size: 2.5rem;
    font-weight: 700;
    background: linear-gradient(135deg, #3b82f6, #1d4ed8);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 0.5rem;
}

/* Hero Section */
.hero-section {
    margin-bottom: 4rem;
}

.hero-title {
    font-size: 2.75rem;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1.5rem;
    color: #1f2937;
}

.highlight {
    background: linear-gradient(135deg, #3b82f6, #8b5cf6);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-description {
    font-size: 1.25rem;
    color: #6b7280;
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.7;
}

/* Features Preview */
.features-preview {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 4rem;
}

.feature-card {
    background: rgba(255, 255, 255, 0.8);
    border-radius: 16px;
    padding: 2rem 1.5rem;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
}

.feature-icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    display: block;
}

.feature-card h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
    color: #1f2937;
}

.feature-card p {
    color: #6b7280;
    font-size: 0.95rem;
    line-height: 1.6;
}

/* Countdown Section */
.countdown-section {
    margin-bottom: 4rem;
}

.countdown-title {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 2rem;
    color: #1f2937;
}

.countdown-timer {
    display: flex;
    justify-content: center;
    gap: 2rem;
    flex-wrap: wrap;
}

.time-unit {
    background: linear-gradient(135deg, #3b82f6, #1d4ed8);
    color: white;
    padding: 1.5rem 1rem;
    border-radius: 12px;
    min-width: 100px;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
}

.time-value {
    display: block;
    font-size: 2rem;
    font-weight: 700;
    line-height: 1;
}

.time-label {
    display: block;
    font-size: 0.875rem;
    opacity: 0.9;
    margin-top: 0.25rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* Signup Section */
.signup-section {
    margin-bottom: 3rem;
}

.signup-title {
    font-size: 1.75rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
    color: #1f2937;
}

.signup-description {
    color: #6b7280;
    margin-bottom: 2rem;
    font-size: 1.1rem;
}

.signup-form {
    max-width: 400px;
    margin: 0 auto;
}

.input-group {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.email-input {
    flex: 1;
    padding: 1rem 1.25rem;
    border: 2px solid #e5e7eb;
    border-radius: 12px;
    font-size: 1rem;
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
    background: rgba(255, 255, 255, 0.9);
}

.email-input:focus {
    outline: none;
    border-color: #3b82f6;
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.signup-btn {
    background: linear-gradient(135deg, #3b82f6, #1d4ed8);
    color: white;
    border: none;
    padding: 1rem 2rem;
    border-radius: 12px;
    font-weight: 600;
    cursor: pointer;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 140px;
}

.signup-btn:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: 0 10px 20px -5px rgba(59, 130, 246, 0.4);
}

.signup-btn:disabled {
    opacity: 0.7;
    cursor: not-allowed;
}

.spinner {
    animation: spin 1s linear infinite;
}

@keyframes spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.privacy-note {
    font-size: 0.875rem;
    color: #9ca3af;
    margin-top: 0.75rem;
}

.success-message {
    background: linear-gradient(135deg, #10b981, #059669);
    color: white;
    padding: 1.5rem;
    border-radius: 12px;
    margin-top: 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    animation: slideIn 0.5s ease;
}

@keyframes slideIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

.success-icon {
    font-size: 1.5rem;
}

/* Social Section */
.social-section {
    margin-bottom: 2rem;
}

.social-title {
    color: #6b7280;
    margin-bottom: 1rem;
    font-size: 1rem;
}

.social-links {
    display: flex;
    justify-content: center;
    gap: 1rem;
}

.social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    background: rgba(59, 130, 246, 0.1);
    color: #3b82f6;
    border-radius: 12px;
    text-decoration: none;
    transition: all 0.3s ease;
}

.social-link:hover {
    background: #3b82f6;
    color: white;
    transform: translateY(-2px);
}

/* Footer */
.footer {
    border-top: 1px solid rgba(0, 0, 0, 0.1);
    padding-top: 2rem;
    color: #6b7280;
}

.footer p {
    margin-bottom: 0.5rem;
}

.footer-subtitle {
    font-size: 0.875rem;
    opacity: 0.8;
}

/* Responsive Design */
@media (max-width: 768px) {
    .container {
        padding: 1rem;
    }
    
    .main-content {
        padding: 2rem 1.5rem;
    }
    
    .brand-name {
        font-size: 2rem;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-description {
        font-size: 1.1rem;
    }
    
    .features-preview {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .countdown-timer {
        gap: 1rem;
    }
    
    .time-unit {
        min-width: 80px;
        padding: 1rem 0.75rem;
    }
    
    .time-value {
        font-size: 1.5rem;
    }
    
    .input-group {
        flex-direction: column;
    }
    
    .signup-btn {
        width: 100%;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 1.75rem;
    }
    
    .countdown-timer {
        gap: 0.75rem;
    }
    
    .time-unit {
        min-width: 70px;
        padding: 0.75rem 0.5rem;
    }
    
    .time-value {
        font-size: 1.25rem;
    }
    
    .time-label {
        font-size: 0.75rem;
    }
}