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

:root {
    --bg-dark: #030816; --turkuaz: #38b6ff; --text-light: #a0aabf; --text-white: #ffffff;
    --card-bg: rgba(11, 19, 43, 0.7); --card-border: rgba(56, 182, 255, 0.15);
}

* { margin: 0; padding: 0; box-sizing: border-box; font-family: 'Poppins', sans-serif; }
body { background-color: var(--bg-dark); color: var(--text-white); line-height: 1.6; overflow-x: hidden; -webkit-tap-highlight-color: transparent; }

/* =========================================
   NAVBAR & MENÜ
   ========================================= */
nav {
    background: rgba(3, 8, 22, 0.9); backdrop-filter: blur(15px); 
    border-bottom: 1px solid var(--card-border);
    position: fixed; width: 100%; top: 0; left: 0; 
    z-index: 9999 !important; 
    display: flex; justify-content: space-between; align-items: center;
    padding: 15px 8%; transition: 0.3s;
}
.brand-logo { height: 45px; border-radius: 8px; position: relative; z-index: 10001; transition: transform 0.3s ease; }

.nav-links { display: flex; gap: 30px; }
.nav-links a { color: var(--text-light); text-decoration: none; font-weight: 500; font-size: 14px; text-transform: uppercase; position: relative; transition: 0.3s; }
.nav-links a:hover, .nav-links a.active { color: var(--turkuaz); }
.nav-links a.active::after { content: ''; position: absolute; width: 100%; height: 2px; bottom: -5px; left: 0; background-color: var(--turkuaz); }

.menu-toggle { 
    display: none; color: #fff; font-size: 32px; cursor: pointer; 
    position: relative; z-index: 10000 !important; 
    padding: 15px; margin-right: -15px; /* Tıklama alanı iPhone için büyütüldü */
    touch-action: manipulation;
}

/* =========================================
   HERO SLIDER & BAŞLIKLAR
   ========================================= */
.hero { position: relative; height: 100vh; display: flex; align-items: center; justify-content: center; text-align: center; overflow: hidden; }
.hero-slider { position: absolute; top: 0; left: 0; width: 100%; height: 100%; z-index: -2; }
.hero-slider .slide { position: absolute; top: 0; left: 0; width: 100%; height: 100%; background-size: cover; background-position: center; opacity: 0; animation: fade-slider 18s infinite; }

.hero-slider .slide:nth-child(1) { animation-delay: 0s; }
.hero-slider .slide:nth-child(2) { animation-delay: 6s; }
.hero-slider .slide:nth-child(3) { animation-delay: 12s; }

.slider-overlay { 
    position: absolute; top: 0; left: 0; width: 100%; height: 100%; 
    background: radial-gradient(circle, rgba(3,8,22,0.7) 0%, rgba(3,8,22,0.95) 100%); 
    z-index: -1; 
}
@keyframes fade-slider { 0% { opacity: 0; transform: scale(1); } 10% { opacity: 1; } 33% { opacity: 1; } 43% { opacity: 0; transform: scale(1.05); } 100% { opacity: 0; } }

.hero-content h1 { font-size: 4.5rem; font-weight: 900; background: linear-gradient(90deg, #fff, var(--turkuaz)); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; margin-bottom: 20px; filter: drop-shadow(0px 8px 15px rgba(0,0,0,0.8)); }
.hero-content p { color: #ffffff; font-size: 18px; margin-bottom: 30px; max-width: 700px; margin-left: auto; margin-right: auto; text-shadow: 0px 4px 15px rgba(0,0,0,0.9); }

.page-header { height: 50vh; display: flex; align-items: center; justify-content: center; text-align: center; margin-top: 75px; background-size: cover; background-position: center; position: relative; }
.page-header::before { content: ''; position: absolute; top: 0; left: 0; width: 100%; height: 100%; background: rgba(3, 8, 22, 0.85); }
.page-header .hidden { position: relative; z-index: 1; }
.page-header h1 { font-size: 3.5rem; font-weight: 900; background: linear-gradient(90deg, #fff, var(--turkuaz)); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; margin-bottom: 15px; filter: drop-shadow(0px 8px 15px rgba(0,0,0,0.8)); }

/* =========================================
   KARTLAR & GENEL BÖLÜMLER
   ========================================= */
section { padding: 80px 8%; }
.section-title { text-align: center; font-size: 2.5rem; font-weight: 900; margin-bottom: 60px; }
.section-title span { color: var(--turkuaz); border-bottom: 2px solid var(--turkuaz); padding-bottom: 5px; }
.grid-layout { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 30px; }

.service-card { background: #0b132b; border: 1px solid var(--card-border); border-radius: 15px; overflow: hidden; transition: 0.4s; position: relative; }
.service-card:hover { transform: translateY(-10px); border-color: var(--turkuaz); box-shadow: 0 10px 30px rgba(56, 182, 255, 0.1); }
.card-img { height: 200px; background-size: cover; background-position: center; transition: transform 0.6s cubic-bezier(0.25, 1, 0.5, 1); }
.service-card:hover .card-img { transform: scale(1.08); }
.card-content { padding: 25px; position: relative; z-index: 2; background: #0b132b; border-top: 1px solid rgba(56, 182, 255, 0.1); }
.card-content h3 { color: var(--turkuaz); margin-bottom: 10px; font-size: 20px; }
.card-content p { font-size: 14px; color: var(--text-light); }

.glass-card { background: var(--card-bg); backdrop-filter: blur(12px); border: 1px solid var(--card-border); padding: 40px; border-radius: 20px; transition: 0.4s; }
.glass-card i { font-size: 35px; color: var(--turkuaz); margin-bottom: 20px; background: rgba(56, 182, 255, 0.1); padding: 15px; border-radius: 12px; }

.scrolling-ticker { background: rgba(56, 182, 255, 0.05); padding: 20px 0; overflow: hidden; display: flex; white-space: nowrap; border-top: 1px solid var(--card-border); border-bottom: 1px solid var(--card-border);}
.ticker-wrapper { display: flex; flex-shrink: 0; animation: ticker-move-left 40s linear infinite; font-weight: 700; color: var(--turkuaz); letter-spacing: 2px; }
.ticker-reverse { animation: ticker-move-right 45s linear infinite; color: #fff; }
.ticker-wrapper span { display: flex; align-items: center; text-transform: uppercase; }
.ticker-wrapper span::after { content: "•"; margin: 0 40px; color: inherit; }
@keyframes ticker-move-left { 0% { transform: translateX(0); } 100% { transform: translateX(-100%); } }
@keyframes ticker-move-right { 0% { transform: translateX(-100%); } 100% { transform: translateX(0); } }

/* =========================================
   FORM, İLETİŞİM & BUTONLAR
   ========================================= */
.btn { background: linear-gradient(90deg, #1181c9, var(--turkuaz)); color: #fff; padding: 15px 40px; border-radius: 8px; text-decoration: none; font-weight: 700; display: inline-block; border: none; cursor: pointer; transition: 0.3s; }
.btn:hover { transform: translateY(-3px); box-shadow: 0 5px 15px rgba(56, 182, 255, 0.4); }

.contact-container { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; background: var(--card-bg); border: 1px solid var(--card-border); border-radius: 20px; overflow: hidden; }
.contact-info, .contact-form { padding: 40px; }

/* INPUT STİLLERİ */
.input-group { margin-bottom: 20px; }
.input-group label { display: block; margin-bottom: 10px; color: var(--text-light); font-size: 13px; text-transform: uppercase; font-weight: 600; }
.input-group input, .input-group textarea, .input-group select { 
    width: 100%; padding: 18px; 
    background: rgba(3, 8, 22, 0.6); 
    border: 1px solid rgba(56, 182, 255, 0.2); 
    border-radius: 12px; color: #fff; outline: none; transition: 0.3s; 
    font-family: 'Poppins', sans-serif;
    -webkit-appearance: none; 
    appearance: none;
}

.input-group input:focus, .input-group textarea:focus, .input-group select:focus { border-color: var(--turkuaz); box-shadow: 0 0 15px rgba(56, 182, 255, 0.1); }
.input-group select { cursor: pointer; }

footer { background: #02050f; padding: 40px 8%; text-align: center; border-top: 1px solid var(--card-border); }
.footer-logo { height: 50px; margin-bottom: 20px; border-radius: 8px; opacity: 0.8; }
.social-icons a { color: var(--text-light); font-size: 20px; margin: 0 10px; transition: 0.3s; }

/* =========================================
   ANİMASYON & MOBİL RESPONSIVE
   ========================================= */
.hidden { opacity: 0; transform: translateY(30px); transition: 0.8s ease-out; }
.show { opacity: 1; transform: translateY(0); }

@media (max-width: 992px) {
    .menu-toggle { display: block !important; }
    .nav-links {
        position: fixed; top: 0; left: 0; width: 100%; height: 100vh;
        background: rgba(3, 8, 22, 0.98); backdrop-filter: blur(25px);
        display: flex; flex-direction: column; justify-content: center; align-items: center;
        opacity: 0; visibility: hidden; transform: translateY(-30px);
        transition: all 0.4s ease; z-index: 9998;
    }
    .nav-links.active-menu { opacity: 1; visibility: visible; transform: translateY(0); }
    .nav-links a { margin: 20px 0; font-size: 22px; font-weight: 700; }
    .hero-content h1 { font-size: 2.8rem; }
    .contact-container { grid-template-columns: 1fr; }
}

.menu-toggle i { pointer-events: none; }