/* Reset and base styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --neon-green: rgba(0,208,97,1);
    --black: #000000;
    --white: #ffffff;
    --dark-gray: #1a1a1a;
    --light-gray: #f5f5f5;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    background: linear-gradient(135deg, #000000 0%, #0a0a0a 25%, #001a0a 50%, #0a0a0a 75%, #000000 100%);
    background-size: 400% 400%;
    animation: gradientShift 15s ease infinite;
    color: var(--white);
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    position: relative;
    overflow-x: hidden;
}

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

body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        radial-gradient(circle at 20% 50%, rgba(0, 208, 97, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(0, 208, 97, 0.08) 0%, transparent 50%);
    pointer-events: none;
    z-index: 1;
}

body::after {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        repeating-linear-gradient(0deg, transparent, transparent 2px, rgba(0, 208, 97, 0.03) 2px, rgba(0, 208, 97, 0.03) 4px);
    pointer-events: none;
    z-index: 1;
}

/* Cursor Spotlight Effect */
.cursor-spotlight {
    position: fixed;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(0, 208, 97, 0.15) 0%, transparent 70%);
    pointer-events: none;
    z-index: 9999;
    transform: translate(-50%, -50%);
    transition: opacity 0.3s ease;
    opacity: 0;
}

/* Floating Particles */
.particles {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    pointer-events: none;
    z-index: 1;
}

.particle {
    position: absolute;
    width: 4px;
    height: 4px;
    background: rgba(0, 208, 97, 0.6);
    border-radius: 50%;
    box-shadow: 0 0 10px rgba(0, 208, 97, 0.8);
    animation: float 20s infinite ease-in-out;
}

.particle:nth-child(1) { left: 10%; animation-delay: 0s; animation-duration: 15s; }
.particle:nth-child(2) { left: 20%; animation-delay: 2s; animation-duration: 18s; }
.particle:nth-child(3) { left: 30%; animation-delay: 4s; animation-duration: 20s; }
.particle:nth-child(4) { left: 40%; animation-delay: 1s; animation-duration: 16s; }
.particle:nth-child(5) { left: 50%; animation-delay: 3s; animation-duration: 22s; }
.particle:nth-child(6) { left: 60%; animation-delay: 5s; animation-duration: 19s; }
.particle:nth-child(7) { left: 70%; animation-delay: 2.5s; animation-duration: 17s; }
.particle:nth-child(8) { left: 80%; animation-delay: 4.5s; animation-duration: 21s; }
.particle:nth-child(9) { left: 90%; animation-delay: 1.5s; animation-duration: 18s; }
.particle:nth-child(10) { left: 15%; animation-delay: 3.5s; animation-duration: 20s; }

@keyframes float {
    0%, 100% {
        transform: translateY(100vh) scale(0);
        opacity: 0;
    }
    10% {
        opacity: 1;
        transform: translateY(90vh) scale(1);
    }
    90% {
        opacity: 1;
        transform: translateY(10vh) scale(1);
    }
    100% {
        transform: translateY(0) scale(0);
        opacity: 0;
    }
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem;
    flex: 1;
    display: flex;
    flex-direction: column;
    position: relative;
    z-index: 2;
}

/* Header */
header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    margin-bottom: 4rem;
    opacity: 0;
    animation: fadeInDown 0.8s ease forwards;
}

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

.logo {
    display: flex;
    align-items: center;
}

.logo img {
    width: 300px;
    height: auto;
    filter: drop-shadow(0 0 20px rgba(0, 208, 97, 0.3));
    transition: filter 0.3s ease;
}

.logo img:hover {
    filter: drop-shadow(0 0 30px rgba(0, 208, 97, 0.5));
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    border-radius: 4px;
    font-weight: 600;
    text-decoration: none;
    text-align: center;
    transition: all 0.3s ease;
    cursor: pointer;
    border: none;
    font-size: 1rem;
}

.btn.primary {
    background-color: var(--neon-green);
    color: var(--black);
    border: 2px solid var(--neon-green);
    position: relative;
    overflow: hidden;
    box-shadow: 0 0 20px rgba(0, 208, 97, 0.3);
    transform: translateY(0) perspective(1000px);
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.btn.primary::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.btn.primary::after {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(45deg, transparent, rgba(255, 255, 255, 0.1), transparent);
    transform: rotate(45deg);
    animation: shine 3s infinite;
}

@keyframes shine {
    0% { transform: translateX(-100%) translateY(-100%) rotate(45deg); }
    100% { transform: translateX(100%) translateY(100%) rotate(45deg); }
}

.btn.primary:hover::before {
    width: 300px;
    height: 300px;
}

.btn.primary:hover {
    background-color: transparent;
    color: var(--neon-green);
    box-shadow: 
        0 0 30px rgba(0, 208, 97, 0.5), 
        0 0 60px rgba(0, 208, 97, 0.3),
        0 10px 30px rgba(0, 0, 0, 0.3);
    transform: translateY(-5px) perspective(1000px) rotateX(5deg);
}

.btn.primary:active {
    transform: translateY(-2px) perspective(1000px) rotateX(2deg);
}

.btn.secondary {
    background-color: transparent;
    color: var(--white);
    border: 2px solid var(--white);
    margin-right: 1rem;
}

.btn.secondary:hover {
    background-color: rgba(255, 255, 255, 0.1);
}

.btn.large {
    padding: 1rem 2rem;
    font-size: 1.1rem;
    min-width: 200px;
}

/* Main content */
main {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    padding: 2rem 0;
}

h1 {
    font-size: 4rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
    line-height: 1.1;
    letter-spacing: -1.5px;
    opacity: 0;
    animation: fadeInUp 0.8s ease 0.2s forwards;
}

/* Gradient Text Animation */
.gradient-text {
    background: linear-gradient(45deg, #ffffff, #00d061, #00ffa3, #ffffff);
    background-size: 300% 300%;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: gradientFlow 8s ease infinite;
}

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

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.highlight {
    color: var(--neon-green);
    position: relative;
    display: inline-block;
}

.highlight::after {
    content: '';
    position: absolute;
    bottom: 5px;
    left: 0;
    width: 100%;
    height: 8px;
    background: linear-gradient(90deg, transparent, var(--neon-green), transparent);
    background-size: 200% 100%;
    opacity: 0.4;
    z-index: -1;
    border-radius: 2px;
    animation: pulse 2s ease-in-out infinite, shimmer 3s linear infinite;
}

@keyframes pulse {
    0%, 100% {
        opacity: 0.3;
        transform: scaleX(1);
    }
    50% {
        opacity: 0.6;
        transform: scaleX(1.05);
    }
}

@keyframes shimmer {
    0% { background-position: -200% 0; }
    100% { background-position: 200% 0; }
}

.subtitle {
    font-size: 1.5rem;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 3rem;
    max-width: 700px;
    opacity: 0;
    animation: fadeInUp 0.8s ease 0.4s forwards;
    text-shadow: 0 0 20px rgba(0, 208, 97, 0.2);
}

.cta-container {
    display: flex;
    gap: 1.5rem;
    margin-bottom: 4rem;
    flex-wrap: wrap;
    justify-content: center;
    opacity: 0;
    animation: fadeInUp 0.8s ease 0.6s forwards;
}

/* Countdown */
.countdown {
    display: flex;
    gap: 2rem;
    margin-top: 3rem;
    flex-wrap: wrap;
    justify-content: center;
}

.countdown-item {
    text-align: center;
    min-width: 100px;
}

.countdown-item span {
    display: block;
}

.countdown-item span:first-child {
    font-size: 3rem;
    font-weight: 700;
    color: var(--neon-green);
    line-height: 1;
    margin-bottom: 0.5rem;
}

.countdown-item .label {
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    opacity: 0.7;
}

/* Footer */
footer {
    margin-top: 6rem;
    padding: 2rem 0;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
    opacity: 0;
    animation: fadeInUp 0.8s ease 0.8s forwards;
}

.social-links {
    display: flex;
    gap: 1.5rem;
}

.social-link {
    color: var(--white);
    text-decoration: none;
    transition: color 0.3s ease;
}

.social-link:hover {
    color: var(--neon-green);
    transform: translateY(-2px);
    text-shadow: 0 0 10px rgba(0, 208, 97, 0.5);
}

/* Responsive */
@media (max-width: 768px) {
    h1 {
        font-size: 2.5rem;
    }
    
    .subtitle {
        font-size: 1.2rem;
    }
    
    .countdown {
        gap: 1rem;
    }
    
    .countdown-item {
        min-width: 70px;
    }
    
    .countdown-item span:first-child {
        font-size: 2rem;
    }
    
    .cta-container {
        flex-direction: column;
        align-items: center;
    }
    
    .btn.secondary {
        margin-right: 0;
        margin-bottom: 1rem;
    }
    
    footer {
        flex-direction: column;
        text-align: center;
    }
}
