:root {
    --primary-dark: #0b1329;
    --primary-blue: #112244;
    --accent-orange: #ff8c00;
    --accent-orange-gradient: linear-gradient(135deg, #ff8c00 0%, #e05300 100%);
    --light-bg: #f4f7fa;
    --glass-bg: rgba(255, 255, 255, 0.12);
    --glass-border: rgba(255, 255, 255, 0.22);
    --text-muted-custom: #a0aec0;
}

body {
    font-family: 'Poppins', 'Montserrat', sans-serif;
    background-color: var(--light-bg);
    color: #2d3748;
    overflow-x: hidden;
    scroll-behavior: smooth;
}

/* --- HEADER & NAVBAR --- */
.navbar-custom {
    background: rgba(11, 19, 41, 0.88);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    padding: 14px 0;
    transition: all 0.3s ease;
    z-index: 1050;
}

.navbar-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    font-family: 'Montserrat', sans-serif;
    font-weight: 800;
    font-size: 1.35rem;
    color: #ffffff !important;
    letter-spacing: 0.5px;
}

.brand-icon {
    width: 65px;
    height: 65px;
    background: var(--accent-orange-gradient);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #ffffff;
    font-size: 1.3rem;
    box-shadow: 0 4px 12px rgba(255, 140, 0, 0.4);
}

.navbar-custom .nav-link {
    color: rgba(255, 255, 255, 0.85) !important;
    font-weight: 500;
    font-size: 0.95rem;
    padding: 8px 18px !important;
    border-radius: 25px;
    transition: all 0.3s ease;
    margin: 0 2px;
}

.navbar-custom .nav-link:hover,
.navbar-custom .nav-link.active {
    color: #ffffff !important;
    background: var(--accent-orange-gradient);
    box-shadow: 0 4px 15px rgba(230, 83, 0, 0.4);
}

/* Hamburger Butonu Mobil Tasarımı */
.navbar-toggler {
    border: 1px solid var(--glass-border);
    padding: 6px 10px;
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.05);
}

.navbar-toggler:focus {
    box-shadow: none;
}

.navbar-toggler-icon {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba%28255, 255, 255, 0.9%29' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2.5' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
}

/* --- HERO SECTION --- */
.hero-section {
    position: relative;
    background: linear-gradient(180deg, rgba(11, 19, 41, 0.78) 0%, rgba(17, 34, 68, 0.90) 100%),
                url('https://images.unsplash.com/photo-1527838832700-5059252407fa?q=80&w=1920&auto=format&fit=crop') center/cover no-repeat;
    padding: 160px 0 120px 0;
    color: #ffffff;
    text-align: center;
}

.hero-glass-box {
    background: rgba(255, 255, 255, 0.08);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: 28px;
    padding: 50px 30px;
    max-width: 900px;
    margin: 0 auto;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.3);
}

.hero-title {
    font-family: 'Montserrat', sans-serif;
    font-weight: 800;
    font-size: 2.3rem;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    line-height: 1.3;
    margin-bottom: 20px;
    color: #ffffff;
    text-shadow: 0 2px 10px rgba(0,0,0,0.3);
}

.btn-cta {
    background: var(--accent-orange-gradient);
    color: #ffffff;
    font-weight: 700;
    font-size: 0.95rem;
    padding: 14px 42px;
    border-radius: 30px;
    border: none;
    text-transform: uppercase;
    letter-spacing: 1px;
    box-shadow: 0 8px 25px rgba(255, 140, 0, 0.45);
    transition: all 0.3s ease;
    text-decoration: none;
    display: inline-block;
}

.btn-cta:hover {
    transform: translateY(-3px) scale(1.02);
    box-shadow: 0 12px 30px rgba(255, 140, 0, 0.6);
    color: #ffffff;
}

/* --- HİZMETLERİMİZ SECTION --- */
.services-wrapper {
    margin-top: -60px;
    position: relative;
    z-index: 10;
}

.section-header-title {
    font-family: 'Montserrat', sans-serif;
    font-weight: 700;
    color: var(--primary-dark);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 12px;
}

.section-subtitle {
    color: #718096;
    max-width: 700px;
    margin: 0 auto 40px auto;
    font-size: 1rem;
}

.service-card {
    background: #ffffff;
    border: 1px solid #edf2f7;
    border-radius: 20px;
    padding: 30px 24px;
    height: 100%;
    transition: all 0.35s ease;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(17, 34, 68, 0.12);
    border-color: rgba(255, 140, 0, 0.3);
}

.service-icon-box {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #112244 0%, #0b1329 100%);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent-orange);
    font-size: 2.2rem;
    margin-bottom: 22px;
    box-shadow: 0 8px 20px rgba(17, 34, 68, 0.2);
    transition: all 0.3s ease;
}

.service-card:hover .service-icon-box {
    background: var(--accent-orange-gradient);
    color: #ffffff;
    transform: rotateY(180deg);
}

.service-card-title {
    font-family: 'Montserrat', sans-serif;
    font-weight: 700;
    font-size: 1.15rem;
    color: var(--primary-dark);
    margin-bottom: 14px;
    text-transform: uppercase;
}

.service-card-desc {
    font-size: 0.92rem;
    color: #64748b;
    line-height: 1.6;
}

/* --- HAKKIMIZDA SECTION --- */
.about-section {
    background: #ffffff;
    padding: 90px 0;
    margin-top: 60px;
}

.about-img-box {
    position: relative;
    border-radius: 24px;
    overflow: hidden;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.12);
}

.about-img-box img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.about-badge {
    position: absolute;
    bottom: 25px;
    left: 25px;
    background: rgba(11, 19, 41, 0.92);
    backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    color: #ffffff;
    padding: 20px 25px;
    border-radius: 16px;
}

.stat-number {
    font-family: 'Montserrat', sans-serif;
    font-size: 2.2rem;
    font-weight: 800;
    color: var(--accent-orange);
    line-height: 1;
}

/* --- ÇÖZÜM ORTAKLARI SECTION --- */
.partners-section {
    padding: 80px 0;
    background-color: var(--light-bg);
}

.partner-card {
    background: #ffffff;
    border-radius: 16px;
    padding: 30px 20px;
    text-align: center;
    border: 1px solid #e2e8f0;
    transition: all 0.3s ease;
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.partner-card:hover {
    transform: translateY(-5px);
    border-color: var(--accent-orange);
    box-shadow: 0 12px 25px rgba(0,0,0,0.06);
}

.partner-icon {
    font-size: 2.8rem;
    color: var(--primary-blue);
    margin-bottom: 12px;
    transition: color 0.3s ease;
}

.partner-card:hover .partner-icon {
    color: var(--accent-orange);
}

.partner-name {
    font-weight: 700;
    font-size: 1rem;
    color: var(--primary-dark);
    margin: 0;
}

/* --- İLETİŞİM SECTION --- */
.contact-section {
    background: #ffffff;
    padding: 90px 0;
}

.contact-card {
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary-blue) 100%);
    border-radius: 24px;
    padding: 40px;
    color: #ffffff;
    height: 100%;
}

.contact-info-item {
    display: flex;
    align-items: center;
    gap: 18px;
    margin-bottom: 25px;
}

.contact-icon {
    width: 50px;
    height: 50px;
    background: rgba(255, 140, 0, 0.15);
    border: 1px solid rgba(255, 140, 0, 0.3);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent-orange);
    font-size: 1.25rem;
    flex-shrink: 0;
}

.form-control, .form-select {
    border-radius: 12px;
    padding: 12px 16px;
    border: 1px solid #cbd5e1;
    font-size: 0.95rem;
}

.form-control:focus, .form-select:focus {
    border-color: var(--accent-orange);
    box-shadow: 0 0 0 0.25rem rgba(255, 140, 0, 0.2);
}

/* --- FOOTER --- */
footer {
    background-color: var(--primary-dark);
    color: var(--text-muted-custom);
    padding: 35px 0;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    font-size: 0.88rem;
}

footer a {
    color: var(--text-muted-custom);
    text-decoration: none;
    transition: color 0.2s;
}

footer a:hover {
    color: var(--accent-orange);
}

/* Çözüm Ortakları Logo Görsel Stilleri */
.partner-logo-wrapper {
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 15px;
    padding: 0 10px;
}

.partner-logo-img {
    max-height: 100%;
    max-width: 100%;
    object-fit: contain;
    filter: grayscale(20%); /* Dilersen renkli olması için bu satırı silebilirsin */
    transition: filter 0.3s ease, transform 0.3s ease;
}

.partner-card:hover .partner-logo-img {
    filter: grayscale(0%);
    transform: scale(1.05);
}

@media (max-width: 991.98px) {
    .hero-title {
        font-size: 1.7rem;
    }
    .hero-glass-box {
        padding: 35px 20px;
    }
    .navbar-collapse {
        background: rgba(11, 19, 41, 0.96);
        border-radius: 16px;
        padding: 20px;
        margin-top: 15px;
        border: 1px solid var(--glass-border);
    }
    .navbar-custom .nav-link {
        margin: 5px 0;
        text-align: center;
    }
}