/* ========================================
   CSS Variables & Root Styles
======================================== */
:root {
    /* Colors */
    --color-primary: #6366f1;
    --color-primary-light: #818cf8;
    --color-primary-dark: #4f46e5;
    --color-secondary: #06b6d4;
    --color-accent: #f472b6;
    --color-success: #10b981;
    
    /* Backgrounds */
    --bg-dark: #0a0a0f;
    --bg-gradient-1: #1e1b4b;
    --bg-gradient-2: #0c4a6e;
    --bg-gradient-3: #134e4a;
    
    /* Glass */
    --glass-bg: rgba(255, 255, 255, 0.03);
    --glass-border: rgba(255, 255, 255, 0.08);
    --glass-shadow: rgba(0, 0, 0, 0.3);
    --glass-blur: 20px;
    
    /* Text */
    --text-primary: #ffffff;
    --text-secondary: rgba(255, 255, 255, 0.7);
    --text-muted: rgba(255, 255, 255, 0.5);
    
    /* Fonts */
    --font-primary: 'Outfit', sans-serif;
    --font-secondary: 'Inter', sans-serif;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    
    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 16px;
    --radius-lg: 24px;
    --radius-xl: 32px;
    --radius-full: 9999px;
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-secondary);
    background: var(--bg-dark);
    color: var(--text-primary);
    min-height: 100vh;
    overflow-x: hidden;
    line-height: 1.6;
}

/* ========================================
   Animated Background
======================================== */
.bg-animation {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    overflow: hidden;
    background: linear-gradient(135deg, var(--bg-dark) 0%, #0f172a 50%, #0a0a0f 100%);
}

.blob {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.6;
    animation: blobFloat 20s ease-in-out infinite;
}

.blob-1 {
    width: 600px;
    height: 600px;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    top: -200px;
    left: -200px;
    animation-delay: 0s;
}

.blob-2 {
    width: 500px;
    height: 500px;
    background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-primary) 100%);
    top: 50%;
    right: -150px;
    animation-delay: -5s;
    animation-duration: 25s;
}

.blob-3 {
    width: 400px;
    height: 400px;
    background: linear-gradient(135deg, var(--color-secondary) 0%, var(--color-success) 100%);
    bottom: -100px;
    left: 30%;
    animation-delay: -10s;
    animation-duration: 22s;
}

.blob-4 {
    width: 350px;
    height: 350px;
    background: linear-gradient(135deg, var(--color-primary-light) 0%, var(--color-accent) 100%);
    top: 30%;
    left: 20%;
    animation-delay: -15s;
    animation-duration: 28s;
}

@keyframes blobFloat {
    0%, 100% {
        transform: translate(0, 0) scale(1) rotate(0deg);
    }
    25% {
        transform: translate(50px, -50px) scale(1.1) rotate(90deg);
    }
    50% {
        transform: translate(-30px, 30px) scale(0.9) rotate(180deg);
    }
    75% {
        transform: translate(-50px, -30px) scale(1.05) rotate(270deg);
    }
}

/* ========================================
   Floating Particles
======================================== */
.particles {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    pointer-events: none;
}

.particle {
    position: absolute;
    width: 4px;
    height: 4px;
    background: rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    animation: particleFloat 15s linear infinite;
}

@keyframes particleFloat {
    0% {
        transform: translateY(100vh) rotate(0deg);
        opacity: 0;
    }
    10% {
        opacity: 1;
    }
    90% {
        opacity: 1;
    }
    100% {
        transform: translateY(-100vh) rotate(720deg);
        opacity: 0;
    }
}

/* ========================================
   Main Container
======================================== */
.container {
    position: relative;
    z-index: 1;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-lg);
}

/* ========================================
   Glass Card - Liquid Glass Effect
======================================== */
.glass-card {
    background: var(--glass-bg);
    backdrop-filter: blur(var(--glass-blur));
    -webkit-backdrop-filter: blur(var(--glass-blur));
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-xl);
    padding: var(--spacing-2xl);
    max-width: 700px;
    width: 100%;
    text-align: center;
    box-shadow: 
        0 8px 32px var(--glass-shadow),
        inset 0 1px 0 rgba(255, 255, 255, 0.1),
        inset 0 -1px 0 rgba(0, 0, 0, 0.1);
    position: relative;
    overflow: hidden;
    animation: cardFloat 6s ease-in-out infinite;
}

.glass-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -50%;
    width: 200%;
    height: 100%;
    background: linear-gradient(
        90deg,
        transparent,
        rgba(255, 255, 255, 0.03),
        transparent
    );
    animation: shimmer 8s ease-in-out infinite;
}

@keyframes cardFloat {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-10px);
    }
}

@keyframes shimmer {
    0% {
        transform: translateX(-100%);
    }
    100% {
        transform: translateX(100%);
    }
}

/* ========================================
   Badge
======================================== */
.badge {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    background: rgba(99, 102, 241, 0.15);
    border: 1px solid rgba(99, 102, 241, 0.3);
    border-radius: var(--radius-full);
    padding: var(--spacing-xs) var(--spacing-md);
    margin-bottom: var(--spacing-lg);
    position: relative;
}

.badge-pulse {
    width: 8px;
    height: 8px;
    background: var(--color-success);
    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(1.2);
    }
}

.badge-text {
    font-family: var(--font-primary);
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-primary-light);
    letter-spacing: 0.5px;
}

/* ========================================
   Heading
======================================== */
.heading {
    font-family: var(--font-primary);
    font-size: clamp(2.5rem, 8vw, 4rem);
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: var(--spacing-md);
    letter-spacing: -0.02em;
}

.gradient-text {
    background: linear-gradient(135deg, 
        var(--color-primary-light) 0%, 
        var(--color-secondary) 50%, 
        var(--color-accent) 100%
    );
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: gradientShift 5s ease infinite;
    background-size: 200% 200%;
}

@keyframes gradientShift {
    0%, 100% {
        background-position: 0% 50%;
    }
    50% {
        background-position: 100% 50%;
    }
}

/* ========================================
   Subheading
======================================== */
.subheading {
    font-size: 1.125rem;
    color: var(--text-secondary);
    max-width: 500px;
    margin: 0 auto var(--spacing-xl);
    line-height: 1.7;
}

/* ========================================
   Feature Pills
======================================== */
.features {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
    justify-content: center;
    margin-bottom: var(--spacing-xl);
}

.feature-pill {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-full);
    padding: 0.625rem 1.25rem;
    font-size: 0.875rem;
    color: var(--text-secondary);
    transition: all var(--transition-normal);
    cursor: default;
}

.feature-pill:hover {
    background: rgba(99, 102, 241, 0.15);
    border-color: rgba(99, 102, 241, 0.3);
    color: var(--text-primary);
    transform: translateY(-2px);
}

.feature-icon {
    width: 18px;
    height: 18px;
    color: var(--color-primary-light);
}

/* ========================================
   Countdown Timer
======================================== */
.countdown-section {
    margin-bottom: var(--spacing-xl);
}

.countdown-label {
    font-family: var(--font-primary);
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: var(--spacing-md);
}

.countdown {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
}

.countdown-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-xs);
}

.countdown-glass {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
    padding: var(--spacing-md) var(--spacing-lg);
    min-width: 80px;
    position: relative;
    overflow: hidden;
}

.countdown-glass::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 50%;
    background: linear-gradient(to bottom, rgba(255, 255, 255, 0.05), transparent);
    border-radius: var(--radius-md) var(--radius-md) 0 0;
}

.countdown-number {
    font-family: var(--font-primary);
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--text-primary);
    position: relative;
    z-index: 1;
}

.countdown-text {
    font-size: 0.75rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.countdown-separator {
    font-family: var(--font-primary);
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-primary);
    animation: blink 1s step-end infinite;
}

@keyframes blink {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.3;
    }
}

/* ========================================
   Email Signup
======================================== */
.signup-section {
    margin-bottom: var(--spacing-xl);
}

.signup-text {
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
}

.signup-form {
    width: 100%;
    max-width: 450px;
    margin: 0 auto;
}

.input-wrapper {
    display: flex;
    gap: var(--spacing-xs);
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-full);
    padding: 6px;
    transition: all var(--transition-normal);
}

.input-wrapper:focus-within {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 4px rgba(99, 102, 241, 0.15);
}

.email-input {
    flex: 1;
    background: transparent;
    border: none;
    outline: none;
    padding: var(--spacing-sm) var(--spacing-md);
    font-family: var(--font-secondary);
    font-size: 1rem;
    color: var(--text-primary);
}

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

.submit-btn {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    border: none;
    border-radius: var(--radius-full);
    padding: var(--spacing-sm) var(--spacing-lg);
    font-family: var(--font-primary);
    font-size: 0.9375rem;
    font-weight: 600;
    color: white;
    cursor: pointer;
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.submit-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s ease;
}

.submit-btn:hover::before {
    left: 100%;
}

.submit-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(99, 102, 241, 0.35);
}

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

.btn-icon {
    width: 18px;
    height: 18px;
    transition: transform var(--transition-fast);
}

.submit-btn:hover .btn-icon {
    transform: translateX(3px);
}

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

/* ========================================
   Social Links
======================================== */
.social-links {
    display: flex;
    gap: var(--spacing-sm);
    justify-content: center;
}

.social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    color: var(--text-secondary);
    transition: all var(--transition-normal);
}

.social-link:hover {
    background: rgba(99, 102, 241, 0.2);
    border-color: var(--color-primary);
    color: var(--text-primary);
    transform: translateY(-3px);
}

.social-link svg {
    width: 20px;
    height: 20px;
}

/* ========================================
   Bottom Text
======================================== */
.bottom-text {
    margin-top: var(--spacing-xl);
    font-size: 0.875rem;
    color: var(--text-muted);
}

/* ========================================
   Success State
======================================== */
.signup-form.success .input-wrapper {
    border-color: var(--color-success);
    background: rgba(16, 185, 129, 0.1);
}

.signup-form.success .submit-btn {
    background: var(--color-success);
}

/* ========================================
   Responsive Design
======================================== */
@media (max-width: 768px) {
    .glass-card {
        padding: var(--spacing-xl) var(--spacing-lg);
    }
    
    .countdown {
        gap: var(--spacing-xs);
    }
    
    .countdown-glass {
        padding: var(--spacing-sm) var(--spacing-md);
        min-width: 60px;
    }
    
    .countdown-number {
        font-size: 1.75rem;
    }
    
    .countdown-separator {
        font-size: 1.5rem;
    }
    
    .input-wrapper {
        flex-direction: column;
        border-radius: var(--radius-lg);
        padding: var(--spacing-xs);
    }
    
    .email-input {
        text-align: center;
    }
    
    .submit-btn {
        width: 100%;
        justify-content: center;
        padding: var(--spacing-md);
    }
    
    .features {
        flex-direction: column;
        align-items: center;
    }
    
    .feature-pill {
        width: 100%;
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .container {
        padding: var(--spacing-sm);
    }
    
    .glass-card {
        padding: var(--spacing-lg) var(--spacing-md);
        border-radius: var(--radius-lg);
    }
    
    .heading {
        font-size: 2rem;
    }
    
    .subheading {
        font-size: 1rem;
    }
    
    .countdown-glass {
        min-width: 50px;
        padding: var(--spacing-xs) var(--spacing-sm);
    }
    
    .countdown-number {
        font-size: 1.5rem;
    }
}

/* ========================================
   Accessibility
======================================== */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* Focus styles for accessibility */
.submit-btn:focus-visible,
.social-link:focus-visible,
.email-input:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}