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

:root {
    --primary-color: #6366f1;
    --secondary-color: #8b5cf6;
    --accent-color: #ec4899;
    --dark-bg: #0f172a;
    --light-text: #f1f5f9;
    --card-bg: rgba(255, 255, 255, 0.05);
    --glow-color: rgba(99, 102, 241, 0.5);
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', sans-serif;
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 50%, #0f172a 100%);
    color: var(--light-text);
    min-height: 100vh;
    overflow-x: hidden;
    position: relative;
}

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

.content {
    max-width: 1200px;
    width: 100%;
    text-align: center;
    animation: fadeInUp 1s ease-out;
}

/* Logo animasyonu */
.logo-wrapper {
    margin-bottom: 2rem;
    display: flex;
    justify-content: center;
}

.logo-circle {
    width: 100px;
    height: 100px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 20px 60px rgba(99, 102, 241, 0.4);
    animation: pulse 2s ease-in-out infinite;
}

.logo-icon {
    width: 50px;
    height: 50px;
    color: white;
}

/* Başlık */
.main-title {
    font-size: clamp(3rem, 8vw, 6rem);
    font-weight: 800;
    margin-bottom: 1rem;
    background: linear-gradient(135deg, #fff 0%, var(--primary-color) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: titleGlow 3s ease-in-out infinite;
}

.subtitle {
    font-size: clamp(1.2rem, 3vw, 1.5rem);
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 3rem;
    animation: fadeIn 1s ease-out 0.3s both;
}

/* İlerleme çubuğu */
.progress-bar {
    width: 100%;
    max-width: 600px;
    height: 8px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 10px;
    margin: 3rem auto;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
}

.progress-fill {
    height: 100%;
    width: 0;
    background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
    border-radius: 10px;
    box-shadow: 0 0 20px var(--glow-color);
    transition: width 0.3s ease;
}

/* Kartlar */
.info-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin: 4rem auto;
    max-width: 900px;
}

.card {
    background: var(--card-bg);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    padding: 2rem;
    transition: all 0.3s ease;
    animation: fadeInUp 1s ease-out;
}

.card:hover {
    transform: translateY(-10px);
    background: rgba(255, 255, 255, 0.08);
    box-shadow: 0 20px 40px rgba(99, 102, 241, 0.3);
    border-color: var(--primary-color);
}

.card-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
    animation: bounce 2s ease-in-out infinite;
}

.card h3 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
    color: white;
}

.card p {
    color: rgba(255, 255, 255, 0.6);
    font-size: 1rem;
}

/* Geri sayım sayacı */
.timer {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 1rem;
    margin: 3rem auto;
    flex-wrap: wrap;
}

.timer-item {
    background: var(--card-bg);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 15px;
    padding: 1.5rem 2rem;
    min-width: 100px;
    transition: all 0.3s ease;
}

.timer-item:hover {
    transform: scale(1.05);
    border-color: var(--primary-color);
    box-shadow: 0 10px 30px rgba(99, 102, 241, 0.3);
}

.timer-number {
    display: block;
    font-size: 3rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.timer-label {
    display: block;
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.6);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-top: 0.5rem;
}

.timer-separator {
    font-size: 2rem;
    color: var(--primary-color);
    font-weight: 700;
}

/* Sosyal medya linkleri */
.social-links {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
    margin-top: 3rem;
}

.social-link {
    width: 50px;
    height: 50px;
    background: var(--card-bg);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    transition: all 0.3s ease;
    text-decoration: none;
}

.social-link:hover {
    transform: translateY(-5px) scale(1.1);
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    box-shadow: 0 10px 25px var(--glow-color);
    border-color: transparent;
}

.social-link svg {
    width: 24px;
    height: 24px;
}

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

.particle {
    position: absolute;
    width: 4px;
    height: 4px;
    background: var(--primary-color);
    border-radius: 50%;
    animation: float linear infinite;
    opacity: 0.6;
    box-shadow: 0 0 10px var(--glow-color);
}

.particle:nth-child(1) { left: 10%; animation-duration: 8s; animation-delay: 0s; }
.particle:nth-child(2) { left: 20%; animation-duration: 10s; animation-delay: 1s; }
.particle:nth-child(3) { left: 30%; animation-duration: 12s; animation-delay: 2s; }
.particle:nth-child(4) { left: 40%; animation-duration: 9s; animation-delay: 0.5s; }
.particle:nth-child(5) { left: 50%; animation-duration: 11s; animation-delay: 1.5s; }
.particle:nth-child(6) { left: 60%; animation-duration: 13s; animation-delay: 2.5s; }
.particle:nth-child(7) { left: 70%; animation-duration: 10s; animation-delay: 0.8s; }
.particle:nth-child(8) { left: 80%; animation-duration: 12s; animation-delay: 1.8s; }
.particle:nth-child(9) { left: 90%; animation-duration: 9s; animation-delay: 0.3s; }
.particle:nth-child(10) { left: 95%; animation-duration: 11s; animation-delay: 2.2s; }

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

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
        box-shadow: 0 20px 60px rgba(99, 102, 241, 0.4);
    }
    50% {
        transform: scale(1.05);
        box-shadow: 0 20px 80px rgba(99, 102, 241, 0.6);
    }
}

@keyframes titleGlow {
    0%, 100% {
        filter: drop-shadow(0 0 10px rgba(99, 102, 241, 0.5));
    }
    50% {
        filter: drop-shadow(0 0 20px rgba(99, 102, 241, 0.8));
    }
}

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

@keyframes float {
    0% {
        transform: translateY(100vh) rotate(0deg);
        opacity: 0;
    }
    10% {
        opacity: 0.6;
    }
    90% {
        opacity: 0.6;
    }
    100% {
        transform: translateY(-100px) rotate(360deg);
        opacity: 0;
    }
}

/* Responsive tasarım */
@media (max-width: 768px) {
    .container {
        padding: 1rem;
    }
    
    .info-cards {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .timer-item {
        padding: 1rem 1.5rem;
        min-width: 80px;
    }
    
    .timer-number {
        font-size: 2rem;
    }
    
    .timer-separator {
        font-size: 1.5rem;
    }
    
    .social-links {
        gap: 1rem;
    }
}

@media (max-width: 480px) {
    .timer {
        gap: 0.5rem;
    }
    
    .timer-item {
        padding: 0.8rem 1rem;
        min-width: 70px;
    }
    
    .timer-number {
        font-size: 1.5rem;
    }
    
    .timer-label {
        font-size: 0.7rem;
    }
}