:root {
    --bg: #030712;
    --card-bg: rgba(255, 255, 255, 0.03);
    --card-border: rgba(255, 255, 255, 0.08);
    --text-main: #f1f5f9;
    --text-dim: #94a3b8;
    --accent: #10b981; 
    --accent-glow: rgba(16, 185, 129, 0.4);
    --accent-dark: #047857;
}

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

body {
    font-family: 'Plus Jakarta Sans', sans-serif;
    background-color: var(--bg);
    color: var(--text-main);
    overflow-x: hidden;
    line-height: 1.6;
}

/* Arka plan gürültüsü */
.noise-overlay {
    position: fixed;
    top: 0; left: 0; width: 100%; height: 100%;
    background: url("https://www.transparenttextures.com/patterns/stardust.png");
    opacity: 0.07;
    pointer-events: none;
    z-index: 999;
}

.ambient-light {
    position: fixed;
    top: -20%;
    left: 50%;
    transform: translateX(-50%);
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, var(--accent-glow) 0%, transparent 70%);
    filter: blur(80px);
    z-index: -1;
    opacity: 0.6;
}

/* --- NAVBAR --- */
.navbar {
    position: fixed;
    top: 20px;
    left: 50%;
    transform: translateX(-50%);
    width: 90%;
    max-width: 1200px;
    z-index: 100;
    background: rgba(3, 7, 18, 0.6);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--card-border);
    border-radius: 16px;
    transition: all 0.3s ease;
}

.nav-container {
    padding: 12px 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo {
    font-weight: 800;
    font-size: 1.1rem;
    letter-spacing: 1px;
    color: white;
    display: flex;
    align-items: center;
    gap: 8px;
}

.nav-logo i {
    color: var(--accent);
    font-size: 1.2rem;
}

.nav-btn {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.85rem;
    font-weight: 600;
    padding: 8px 16px;
    border-radius: 50px;
    background: rgba(255,255,255,0.05);
    color: var(--text-main);
    border: 1px solid var(--card-border);
    text-decoration: none;
    transition: all 0.3s ease;
}

.nav-btn:hover {
    background: var(--accent);
    color: #000;
    border-color: var(--accent);
    box-shadow: 0 0 15px var(--accent-glow);
}

/* --- HERO SECTION --- */
.hero {
    text-align: center;
    padding: 140px 20px 60px;
    position: relative;
}

.logo-wrapper {
    position: relative;
    display: inline-block;
    margin-bottom: 20px;
}

.main-logo {
    width: 110px;
    height: 110px;
    border-radius: 50%;
    border: 2px solid rgba(255,255,255,0.1);
    position: relative;
    z-index: 2;
}

.logo-glow {
    position: absolute;
    inset: 0;
    background: var(--accent);
    filter: blur(30px);
    opacity: 0.4;
    border-radius: 50%;
    z-index: 1;
}

.hero h1 {
    font-size: 4rem;
    font-weight: 800;
    letter-spacing: -2px;
    line-height: 1.1;
    background: linear-gradient(to bottom right, #fff, #94a3b8);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 10px;
}

.hero-sub {
    font-size: 1.1rem;
    color: var(--text-dim);
    max-width: 500px;
    margin: 0 auto 24px;
}

.quick-tags {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 10px;
}

.tag {
    font-size: 0.75rem;
    font-weight: 600;
    padding: 6px 14px;
    border-radius: 100px;
    background: rgba(255,255,255,0.03);
    border: 1px solid var(--card-border);
    color: var(--text-dim);
    display: flex;
    align-items: center;
    gap: 6px;
}

.tag i {
    color: var(--accent);
}

/* --- FEATURE GRID (Yenilenmiş) --- */
.content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px 80px;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
    gap: 24px;
    margin-top: 40px;
}

.feature-card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 20px;
    padding: 32px;
    position: relative;
    overflow: hidden;
    transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    group: hover;
}

/* Hover Efekti */
.feature-card:hover {
    transform: translateY(-5px);
    border-color: rgba(255,255,255,0.2);
    background: rgba(255,255,255,0.06);
    box-shadow: 0 10px 30px -10px rgba(0,0,0,0.5);
}

.icon-box {
    margin-bottom: 20px;
    padding: 12px;
    background: rgba(16, 185, 129, 0.1);
    border-radius: 14px;
    display: inline-flex;
    justify-content: center;
    align-items: center;
    transition: transform 0.3s ease;
}

.feature-card:hover .icon-box {
    transform: scale(1.1) rotate(3deg);
    background: var(--accent);
}

.feature-card i {
    font-size: 32px;
    color: var(--accent);
    transition: color 0.3s ease;
}

.feature-card:hover i {
    color: #000;
}

.feature-card h3 {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 8px;
    color: white;
}

.feature-card p {
    font-size: 0.9rem;
    color: var(--text-dim);
    line-height: 1.5;
}

.apply-section {
    margin-top: 60px;
    display: flex;
    justify-content: center;
}

.apply-card {
    background: linear-gradient(180deg, rgba(255,255,255,0.03) 0%, rgba(255,255,255,0.01) 100%);
    border: 1px solid var(--card-border);
    padding: 40px;
    border-radius: 24px;
    text-align: center;
    max-width: 600px;
    width: 100%;
}

.apply-card h2 {
    font-size: 1.8rem;
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
}

.cta-primary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    margin-top: 24px;
    background: var(--accent);
    color: #020617;
    font-weight: 700;
    padding: 14px 32px;
    border-radius: 12px;
    text-decoration: none;
    transition: all 0.2s ease;
    box-shadow: 0 4px 20px var(--accent-glow);
}

.cta-primary:hover {
    transform: translateY(-2px);
    background: #34d399;
    box-shadow: 0 6px 30px rgba(16, 185, 129, 0.6);
}

/* --- FOOTER --- */
.site-footer {
    text-align: center;
    padding: 40px;
    color: rgba(255,255,255,0.2);
    font-size: 0.8rem;
}

.site-footer a {
    color: var(--text-dim);
    text-decoration: none;
}

/* --- RESPONSIVE --- */
@media (max-width: 768px) {
    .hero h1 {
        font-size: 2.5rem;
    }
    
    .navbar {
        width: 95%;
        top: 10px;
    }
    
    .feature-grid {
        grid-template-columns: 1fr;
    }

    .feature-card {
        align-items: center;
        text-align: center;
    }
}