:root {
    --primary-blue: #0b2545;
    --secondary-blue: #134074;
    --accent-blue: #0066cc;
    --accent-light: #00a8ff;
    --light-bg: #f4f7f6;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    color: #333;
    overflow-x: hidden;
}

/* TOP BAR */
.top-bar {
    background-color: #08121e;
    color: #ccc;
    font-size: 13px;
    padding: 8px 0;
}
.top-bar a { 
    color: #ccc; 
    text-decoration: none; 
    margin-left: 15px; 
}
.top-bar a:hover {
    color: #fff;
}

/* NAVBAR & MENU */
.navbar { 
    background: #ffffff !important; 
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05); 
    padding: 12px 0;
}

.navbar-brand { 
    font-weight: 800; 
    color: var(--primary-blue) !important; 
    font-size: 22px; 
    text-decoration: none;
    line-height: 1;
}

.leading-none {
    line-height: 1 !important;
}

.navbar-nav .nav-link { 
    font-weight: 600; 
    color: #333333 !important; 
    font-size: 14px; 
    margin: 0 5px; 
    padding: 8px 10px !important;
    text-transform: uppercase; 
    transition: color 0.2s ease;
}

.navbar-nav .nav-link:hover,
.navbar-nav .nav-link.text-primary { 
    color: var(--accent-blue) !important; 
}

.btn-teklif { 
    background-color: #0066cc !important; 
    color: #ffffff !important; 
    font-weight: 600; 
    border-radius: 4px; 
    padding: 8px 20px; 
    text-transform: uppercase; 
    font-size: 13px; 
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border: none;
    transition: background-color 0.2s ease;
}

.btn-teklif:hover {
    background-color: #004c99 !important;
}

/* HERO SECTION */
.hero-section {
    background: linear-gradient(135deg, rgba(11,37,69,0.92), rgba(19,64,116,0.85)), url('https://images.unsplash.com/photo-1581092160607-ee22621dd758?w=1600') center/cover;
    color: #fff;
    padding: 80px 0 50px 0;
    position: relative;
}
.hero-badge { font-size: 12px; font-weight: 700; letter-spacing: 1.5px; color: #00a8ff; text-transform: uppercase; margin-bottom: 15px; display: block; }
.hero-title { font-size: 42px; font-weight: 800; line-height: 1.2; margin-bottom: 20px; }
.hero-desc { font-size: 15px; color: #d0dce5; max-width: 550px; margin-bottom: 30px; }

.hero-features { background: rgba(8, 18, 30, 0.6); backdrop-filter: blur(5px); border-top: 1px solid rgba(255,255,255,0.1); padding: 15px 0; margin-top: 50px; }
.hero-feature-item { font-size: 13px; color: #fff; font-weight: 600; border-right: 1px solid rgba(255,255,255,0.1); }
.hero-feature-item:last-child { border: none; }

/* WHY US & SERVICES */
.why-us-card { background: #fff; border-radius: 8px; padding: 25px 20px; text-align: center; border: 1px solid #eef2f5; box-shadow: 0 5px 15px rgba(0,0,0,0.02); transition: 0.3s; height: 100%; }
.why-us-card:hover { transform: translateY(-5px); box-shadow: 0 10px 25px rgba(0,0,0,0.08); }
.why-us-icon { font-size: 32px; color: #0066cc; margin-bottom: 15px; }

.service-card { border-radius: 8px; overflow: hidden; position: relative; margin-bottom: 20px; background: #fff; box-shadow: 0 4px 12px rgba(0,0,0,0.05); }
.service-card img { width: 100%; height: 180px; object-fit: cover; }
.service-card-body { padding: 15px; }
.service-card-title { font-size: 16px; font-weight: 700; color: var(--primary-blue); margin-bottom: 8px; }

/* PROJECTS & STATS */
.project-card { border-radius: 8px; overflow: hidden; position: relative; margin-bottom: 20px; }
.project-card img { width: 100%; height: 220px; object-fit: cover; }
.project-overlay { position: absolute; bottom: 0; left: 0; right: 0; background: linear-gradient(transparent, rgba(11,37,69,0.95)); padding: 20px; color: #fff; }

.stats-section { background: linear-gradient(90deg, #08121e 0%, #0b2545 100%); color: #fff; padding: 40px 0; }
.stat-item { text-align: center; border-right: 1px solid rgba(255,255,255,0.1); }
.stat-item:last-child { border-right: none; }
.stat-number { font-size: 32px; font-weight: 800; color: #00a8ff; }

/* FOOTER */
footer { background: #08121e; color: #a0aec0; font-size: 13px; padding-top: 50px; }
footer h6 { color: #fff; font-weight: 700; margin-bottom: 20px; text-transform: uppercase; font-size: 14px; }
footer a { color: #a0aec0; text-decoration: none; display: block; margin-bottom: 8px; transition: 0.2s; }
footer a:hover { color: #fff; }
.footer-bottom { background: #040910; padding: 20px 0; border-top: 1px solid rgba(255,255,255,0.05); margin-top: 40px; }

/* RESPONSIVE DÜZENLER */
@media (max-width: 991.98px) {
    .navbar-collapse {
        margin-top: 10px;
        padding: 15px 0;
    }
    .navbar-nav .nav-link {
        padding: 8px 0 !important;
        margin: 0;
        border-bottom: 1px solid #f0f0f0;
    }
    .btn-teklif {
        margin-top: 12px;
        width: 100%;
        display: block;
        text-align: center;
    }
}

@media (max-width: 768px) {
    .hero-title { font-size: 28px; }
    .hero-desc { font-size: 14px; }
    .hero-feature-item { border-right: none; border-bottom: 1px solid rgba(255,255,255,0.1); padding: 8px 0; }
    .hero-feature-item:last-child { border-bottom: none; }
    .stat-item { border-right: none; border-bottom: 1px solid rgba(255,255,255,0.1); padding-bottom: 15px; margin-bottom: 15px; }
    .stat-item:last-child { border-bottom: none; margin-bottom: 0; }
}

/* WHATSAPP BUTON STILI */
.whatsapp-btn {
    position: fixed;
    bottom: 20px;
    left: 20px;
    background-color: #25d366;
    color: #fff !important;
    width: 55px;
    height: 55px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 30px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.25);
    z-index: 999;
    transition: transform 0.3s ease;
}
.whatsapp-btn:hover {
    transform: scale(1.1);
}

/* ROBOT CHATBOT STILI */
.robot-widget {
    position: fixed;
    bottom: 20px;
    right: 20px;
    z-index: 999;
}

.robot-toggle-btn {
    width: 55px;
    height: 55px;
    border-radius: 50%;
    background-color: #0066cc;
    color: #fff;
    border: none;
    font-size: 24px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.25);
    cursor: pointer;
    transition: transform 0.3s ease;
}

.robot-toggle-btn:hover {
    transform: scale(1.1);
}

.robot-chat-box {
    width: 320px;
    background: #fff;
    border-radius: 12px;
    box-shadow: 0 5px 25px rgba(0,0,0,0.2);
    position: absolute;
    bottom: 70px;
    right: 0;
    overflow: hidden;
    border: 1px solid #eee;
}

.robot-header {
    background: var(--primary-blue);
    color: #fff;
    padding: 12px 15px;
}

.robot-body {
    padding: 15px;
    max-height: 250px;
    overflow-y: auto;
    font-size: 13px;
}

.bot-msg {
    background: #eef3f8;
    padding: 8px 12px;
    border-radius: 8px;
    margin-bottom: 10px;
    color: #333;
}

.user-msg {
    background: #0066cc;
    color: #fff;
    padding: 8px 12px;
    border-radius: 8px;
    margin-bottom: 10px;
    text-align: right;
    margin-left: 20%;
}

/* Projeler Swiper Özel Stilleri */
.projectsSlider {
    position: relative;
    overflow: hidden;
}

.projectsSlider .swiper-button-next,
.projectsSlider .swiper-button-prev {
    width: 35px;
    height: 35px;
    background: #ffffff;
    border-radius: 50%;
    box-shadow: 0 3px 10px rgba(0,0,0,0.15);
    color: var(--primary-blue);
}

.projectsSlider .swiper-button-next::after,
.projectsSlider .swiper-button-prev::after {
    font-size: 14px;
    font-weight: bold;
}
/* Hizmetler Swiper Özel Stilleri */
.servicesSlider {
    position: relative;
    overflow: hidden;
}

.servicesSlider .swiper-button-next,
.servicesSlider .swiper-button-prev {
    width: 35px;
    height: 35px;
    background: #ffffff;
    border-radius: 50%;
    box-shadow: 0 3px 10px rgba(0,0,0,0.15);
    color: var(--primary-blue);
}

.servicesSlider .swiper-button-next::after,
.servicesSlider .swiper-button-prev::after {
    font-size: 14px;
    font-weight: bold;
}

/* ==========================================
   HOVER & PREMIUM KART EFEKTLERI
   ========================================== */

/* Hizmet ve Proje Kartlari Geçis Yumusatmasi */
.service-card,
.project-card {
    transition: transform 0.4s cubic-bezier(0.165, 0.84, 0.44, 1), 
                box-shadow 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);
    position: relative;
    overflow: hidden;
    border-radius: 12px;
}

/* Kartlarin Üzerine Gelince Büyüme ve Parlama */
.service-card:hover,
.project-card:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: 0 15px 30px rgba(0, 102, 204, 0.2) !important;
}

/* Görsel Üzerinde Yumusak Zoom Efekti */
.service-card img,
.project-card img {
    transition: transform 0.6s ease;
}

.service-card:hover img,
.project-card:hover img {
    transform: scale(1.08);
}

/* PREMIUM / ÖNE ÇIKAN ROZETI (BADGE) STILI */
.premium-badge {
    position: absolute;
    top: 12px;
    right: 12px;
    background: linear-gradient(135deg, #ff8c00, #e65100);
    color: #ffffff;
    font-size: 10px;
    font-weight: 800;
    padding: 4px 10px;
    border-radius: 20px;
    text-transform: uppercase;
    letter-spacing: 1px;
    box-shadow: 0 4px 10px rgba(230, 81, 0, 0.4);
    z-index: 5;
    display: flex;
    align-items: center;
    gap: 4px;
}

/* Rozet Parlama Efekti */
.premium-badge::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.6), transparent);
    transition: 0.5s;
    animation: badgeShine 3s infinite;
}

@keyframes badgeShine {
    0% { left: -100%; }
    20% { left: 100%; }
    100% { left: 100%; }
}

.stat-number { 
    font-size: 36px; 
    font-weight: 800; 
    color: #00a8ff; 
    font-family: 'Segoe UI', sans-serif;
    display: inline-block;
    min-width: 60px; /* Sayilar artarken hizada titreme olmasini engeller */
}