@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600&family=Montserrat:wght@700;800;900&display=swap');

:root {
    /* Ultra Premium Dark Renk Paleti */
    --bg-dark: #020203; /* Tam siyahın bir tık üstü, gizemli derinlik */
    --surface: rgba(12, 12, 15, 0.4);
    --surface-light: rgba(20, 20, 25, 0.6);
    --surface-border: rgba(255, 255, 255, 0.04);
    
    /* Soft Neon Renkleri */
    --accent: #FF1053; /* Daha keskin ve lüks bir macenta/kırmızı */
    --accent-glow: rgba(255, 16, 83, 0.3);
    --secondary: #2B00FF; /* Derin elektrik mavisi/mor */
    
    --text-primary: #ffffff;
    --text-secondary: #9090a0;
    
    --font-heading: 'Montserrat', sans-serif;
    --font-body: 'Inter', sans-serif;
    
    --space-xs: 0.5rem;
    --space-sm: 1rem;
    --space-md: 2rem;
    --space-lg: 4rem;
    --space-xl: 8rem;
    
    --transition-fast: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
    --transition-smooth: all 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

::selection {
    background-color: var(--accent);
    color: #ffffff;
}

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

body {
    background-color: var(--bg-dark);
    color: var(--text-primary);
    font-family: var(--font-body);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

/* --- KUSURSUZ SOFT NEON ARKAPLAN (Fareye Duyarlı) --- */
.ambient-neon-bg {
    position: fixed; top: 0; left: 0; width: 100vw; height: 100vh;
    background-color: var(--bg-dark);
    z-index: -2; overflow: hidden;
}
.neon-blob {
    position: absolute; border-radius: 50%;
    filter: blur(150px); /* Çok yumuşak dağılım */
    opacity: 0.08; /* Aşırı parlaklığı engeller, karanlık temayı korur */
    transition: transform 0.2s ease-out; /* Fare takibi için */
    will-change: transform;
}
.neon-blob.blob-1 {
    width: 60vw; height: 60vw;
    background: var(--accent);
    top: -20%; left: -10%;
    animation: float1 25s infinite alternate ease-in-out;
}
.neon-blob.blob-2 {
    width: 70vw; height: 70vw;
    background: var(--secondary);
    bottom: -30%; right: -15%;
    animation: float2 30s infinite alternate-reverse ease-in-out;
}

@keyframes float1 { 0% { transform: scale(1) translate(0, 0); } 100% { transform: scale(1.2) translate(10%, 10%); } }
@keyframes float2 { 0% { transform: scale(1) translate(0, 0); } 100% { transform: scale(1.3) translate(-10%, -15%); } }

/* Noise Dokusu (Lüks Hissiyat) */
.noise-overlay {
    position: fixed; top: 0; left: 0; width: 100vw; height: 100vh;
    z-index: -1; pointer-events: none; opacity: 0.015;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)'/%3E%3C/svg%3E");
}

/* --- TİPOGRAFİ HİYERARŞİSİ --- */
h1, h2, h3, h4 { font-family: var(--font-heading); text-transform: uppercase; line-height: 1.1; }
h1 { font-size: clamp(3.5rem, 9vw, 7rem); font-weight: 900; letter-spacing: -0.04em; }
h2 { font-size: clamp(2rem, 5vw, 4rem); font-weight: 800; letter-spacing: -0.02em; margin-bottom: var(--space-md); }
h3 { font-size: 1.5rem; font-weight: 700; margin-bottom: 0.5rem; letter-spacing: 0.02em; }
p { font-size: 1.15rem; color: var(--text-secondary); max-width: 70ch; }

.text-gradient {
    background: linear-gradient(135deg, #ffffff 0%, #666666 100%);
    -webkit-background-clip: text; -webkit-text-fill-color: transparent; display: inline-block;
}
.text-accent { color: var(--accent); text-shadow: 0 0 30px var(--accent-glow); }

/* --- NAVBAR VE LOGO DÜZELTMESİ --- */
.navbar {
    position: fixed; top: 0; width: 100%; padding: 1.5rem 5%;
    display: flex; justify-content: space-between; align-items: center;
    background: transparent; border-bottom: 1px solid transparent;
    z-index: 1000; transition: var(--transition-smooth);
}
.navbar.scrolled {
    background: rgba(2, 2, 3, 0.85); backdrop-filter: blur(24px); -webkit-backdrop-filter: blur(24px);
    border-bottom: 1px solid var(--surface-border); padding: 1rem 5%;
}

/* HARİKA LOGO DÜZELTMESİ: Siyah arka planı yok eder! */
.nav-logo {
    height: 80px; 
    mix-blend-mode: screen; /* Sihirli dokunuş: Siyahı şeffaf yapar, beyaz ve neon kalır */
    transition: var(--transition-smooth);
}
.brand:hover .nav-logo { transform: scale(1.05); }

.nav-links { list-style: none; display: flex; gap: 3rem; }
.nav-links a {
    color: var(--text-primary); text-decoration: none; font-size: 0.85rem;
    font-weight: 600; text-transform: uppercase; letter-spacing: 0.1em;
    position: relative; padding-bottom: 5px; opacity: 0.6; transition: var(--transition-fast);
}
.nav-links a:hover, .nav-links a.active { opacity: 1; color: #fff; }
.nav-links a::after {
    content: ''; position: absolute; left: 0; bottom: 0; width: 0; height: 1px;
    background: var(--accent); transition: var(--transition-smooth); box-shadow: 0 0 10px var(--accent);
}
.nav-links a:hover::after, .nav-links a.active::after { width: 100%; }

.hamburger { display: none; background: transparent; border: none; cursor: pointer; flex-direction: column; gap: 6px; z-index: 1001; }
.hamburger span { display: block; width: 30px; height: 2px; background: var(--text-primary); transition: var(--transition-smooth); }

/* --- PREMIUM BUTONLAR --- */
.btn {
    display: inline-flex; align-items: center; justify-content: center;
    padding: 1.2rem 3rem; font-family: var(--font-heading); font-weight: 700;
    font-size: 0.9rem; letter-spacing: 0.15em; text-transform: uppercase;
    text-decoration: none; border-radius: 50px;
    transition: var(--transition-smooth); cursor: pointer; border: 1px solid transparent;
}
.btn-accent {
    background: transparent; color: #fff; border-color: rgba(255, 255, 255, 0.2);
    position: relative; overflow: hidden;
}
.btn-accent::before {
    content: ''; position: absolute; top: 0; left: 0; width: 100%; height: 100%;
    background: var(--accent); transform: translateX(-101%); transition: var(--transition-smooth); z-index: -1;
}
.btn-accent:hover { border-color: var(--accent); box-shadow: 0 0 30px var(--accent-glow); }
.btn-accent:hover::before { transform: translateX(0); }

.btn-outline { background: transparent; border: 1px solid var(--surface-border); color: var(--text-primary); }
.btn-outline:hover { border-color: var(--text-primary); background: rgba(255,255,255,0.03); transform: translateY(-3px); }

/* --- ESTETİK KARTLAR (Glassmorphism Geliştirilmiş) --- */
.section-padding { padding: var(--space-xl) 5%; }
.hero-header { height: 70vh; display: flex; flex-direction: column; justify-content: center; align-items: center; text-align: center; }

.grid-container {
    display: grid; grid-template-columns: repeat(auto-fill, minmax(380px, 1fr));
    gap: var(--space-md); max-width: 1400px; margin: 0 auto;
}

.premium-card {
    background: var(--surface);
    backdrop-filter: blur(24px); -webkit-backdrop-filter: blur(24px);
    border: 1px solid var(--surface-border);
    border-radius: 20px; overflow: hidden;
    text-decoration: none; display: block;
    transition: var(--transition-smooth); position: relative;
}
.premium-card::after {
    content: ''; position: absolute; inset: 0; border-radius: 20px;
    box-shadow: inset 0 0 0 1px rgba(255,255,255,0.05); pointer-events: none;
}
.premium-card:hover {
    transform: translateY(-12px); border-color: rgba(255, 255, 255, 0.15);
    box-shadow: 0 30px 60px rgba(0,0,0,0.8), 0 0 40px rgba(255, 16, 83, 0.1);
}

.premium-card img {
    width: 100%; height: 450px; object-fit: cover;
    border-bottom: 1px solid var(--surface-border);
    transition: transform 1s cubic-bezier(0.16, 1, 0.3, 1);
    filter: brightness(0.8) contrast(1.1);
}
.premium-card:hover img { transform: scale(1.06); filter: brightness(1) contrast(1.1); }

.card-content { padding: 2.5rem; position: relative; z-index: 2; }
.card-content .date {
    display: inline-block; padding: 0.4rem 1.2rem; border-radius: 50px;
    background: transparent; color: var(--text-primary);
    font-size: 0.75rem; font-weight: 700; letter-spacing: 0.15em; margin-bottom: 1rem;
    border: 1px solid var(--surface-border); transition: var(--transition-smooth);
}
.premium-card:hover .date { border-color: var(--accent); color: var(--accent); }
.card-content h3 { color: #fff; margin: 0; }

/* Kayan Yazı */
.marquee-container {
    padding: var(--space-md) 0; border-top: 1px solid var(--surface-border); border-bottom: 1px solid var(--surface-border);
    overflow: hidden; white-space: nowrap; display: flex; background: rgba(0,0,0,0.4);
}
.marquee-content {
    display: inline-block; animation: marquee 30s linear infinite;
    font-family: var(--font-heading); font-size: 3rem; font-weight: 900; letter-spacing: 0.1em;
}
.marquee-content span { margin: 0 4rem; color: transparent; -webkit-text-stroke: 1px rgba(255,255,255,0.1); }
@keyframes marquee { 0% { transform: translateX(0); } 100% { transform: translateX(-50%); } }

/* İçerik Blokları (Hakkımızda & Kariyer) */
.split-layout { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-xl); align-items: start; max-width: 1400px; margin: 0 auto; }
.split-sticky { position: sticky; top: 140px; }

.info-block {
    background: var(--surface); border: 1px solid var(--surface-border);
    padding: 3.5rem; border-radius: 20px; margin-bottom: var(--space-md);
    transition: var(--transition-smooth); backdrop-filter: blur(24px);
}
.info-block:hover { border-color: rgba(255, 255, 255, 0.1); transform: translateY(-5px); }
.info-list { list-style: none; margin-top: 2rem; }
.info-list li {
    padding: 1.2rem 0; border-bottom: 1px solid var(--surface-border);
    color: var(--text-secondary); font-size: 1.1rem; display: flex; align-items: center; gap: 1rem;
}
.info-list li::before { content: ''; display: inline-block; width: 6px; height: 6px; border-radius: 50%; background: var(--text-primary); transition: var(--transition-fast); }
.info-block:hover .info-list li::before { background: var(--accent); box-shadow: 0 0 10px var(--accent); }

/* İletişim Formu */
.form-group { position: relative; margin-bottom: var(--space-lg); }
.form-input {
    width: 100%; padding: 1.5rem 0 0.5rem; background: transparent; border: none;
    border-bottom: 1px solid var(--surface-border); color: var(--text-primary);
    font-family: var(--font-body); font-size: 1.1rem; border-radius: 0; outline: none; transition: var(--transition-fast);
}
.form-input:focus { border-bottom-color: var(--accent); }
.form-label {
    position: absolute; top: 1.5rem; left: 0; color: var(--text-secondary); pointer-events: none;
    transition: var(--transition-fast); font-size: 1.1rem;
}
.form-input:focus ~ .form-label, .form-input:valid ~ .form-label {
    top: -10px; font-size: 0.8rem; color: var(--accent); letter-spacing: 0.1em; text-transform: uppercase; font-weight: 600;
}

/* Modallar */
.modal-overlay {
    position: fixed; top: 0; left: 0; width: 100vw; height: 100vh;
    background: rgba(0,0,0,0.9); backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px);
    display: flex; justify-content: center; align-items: center; z-index: 2000;
    opacity: 0; pointer-events: none; transition: var(--transition-smooth);
}
.modal-overlay.is-active { opacity: 1; pointer-events: auto; }

.modal-content {
    background: var(--surface-light); border: 1px solid var(--surface-border);
    padding: 5rem 4rem; border-radius: 20px; width: 90%; max-width: 750px;
    transform: translateY(40px) scale(0.98); transition: var(--transition-smooth); position: relative;
    box-shadow: 0 30px 60px rgba(0,0,0,0.8);
}
.modal-overlay.is-active .modal-content { transform: translateY(0) scale(1); }

.modal-close {
    position: absolute; top: 25px; right: 25px; background: transparent; border: none;
    color: var(--text-secondary); font-size: 2.5rem; width: 50px; height: 50px;
    display: flex; justify-content: center; align-items: center; cursor: pointer; transition: var(--transition-fast);
    font-weight: 300;
}
.modal-close:hover { color: var(--accent); transform: rotate(90deg); }

/* Animasyonlar */
.reveal { opacity: 0; transform: translateY(50px); transition: var(--transition-smooth); will-change: opacity, transform; }
.reveal.is-visible { opacity: 1; transform: translateY(0); }

/* Footer */
footer {
    padding: var(--space-xl) 5% var(--space-md); border-top: 1px solid var(--surface-border);
    display: flex; flex-direction: column; align-items: center; text-align: center;
}
.coder-text { font-family: var(--font-heading); font-size: 0.75rem; letter-spacing: 0.25em; color: rgba(255,255,255,0.2); margin-top: 1rem; text-transform: uppercase; }

/* Mobil Uyumluluk */
@media (max-width: 992px) {
    .split-layout { grid-template-columns: 1fr; }
    .split-sticky { position: relative; top: 0; margin-bottom: var(--space-md); }
}

@media (max-width: 768px) {
    .hamburger { display: flex; }
    .nav-links {
        position: fixed; top: 0; right: -100%; width: 100%; height: 100vh;
        background: rgba(2,2,3,0.98); backdrop-filter: blur(24px);
        flex-direction: column; justify-content: center; align-items: center;
        transition: var(--transition-smooth); gap: 2.5rem;
    }
    .nav-links.is-active { right: 0; }
    .hamburger.is-active span:nth-child(1) { transform: rotate(45deg) translate(6px, 6px); }
    .hamburger.is-active span:nth-child(2) { opacity: 0; }
    .hamburger.is-active span:nth-child(3) { transform: rotate(-45deg) translate(6px, -6px); }
    h1 { font-size: 3rem; }
    .premium-card img { height: 350px; }
    .modal-content { padding: 3rem 2rem; }
}