/* --- Temel Ayarlar ve CSS Değişkenleri --- */

:root {

    --primary: #0A2540; /* Çok koyu, asil bir lacivert (SaaS tarzı) */

    --secondary: #00509E;

    --accent: #FFB703; /* Enerjik altın/sarı */

    --text-dark: #333B4D;

    --text-light: #F8F9FA;

    --text-muted: #64748B;

    --bg-light: #F8FAFC;

    --bg-white: #FFFFFF;

    --border-color: #E2E8F0;

    --radius-lg: 16px;

    --radius-md: 8px;

    --shadow-sm: 0 4px 6px -1px rgba(0, 0, 0, 0.05);

    --shadow-lg: 0 10px 25px -5px rgba(0, 0, 0, 0.1);

    --transition: all 0.3s ease;

}



* {

    margin: 0;

    padding: 0;

    box-sizing: border-box;

    font-family: 'Inter', sans-serif;

}



body {

    color: var(--text-dark);

    line-height: 1.7;

    background-color: var(--bg-white);

}



a { text-decoration: none; color: inherit; }



.container {

    width: 90%;

    max-width: 1200px;

    margin: 0 auto;

}



.section-padding { padding: 100px 0; }



.section-title {

    text-align: center;

    font-size: 2.5rem;

    color: var(--primary);

    font-weight: 700;

    margin-bottom: 15px;

    letter-spacing: -0.5px;

}

.section-title.left-align { text-align: left; }



.section-subtitle {

    text-align: center;

    color: var(--text-muted);

    font-size: 1.1rem;

    margin-bottom: 60px;

    max-width: 600px;

    margin-left: auto;

    margin-right: auto;

}



/* --- Butonlar --- */

.btn-primary {

    display: inline-block;

    padding: 14px 32px;

    background-color: var(--accent);

    color: var(--primary);

    font-weight: 600;

    border-radius: var(--radius-md);

    transition: var(--transition);

    border: 2px solid var(--accent);

}

.btn-primary:hover { background-color: transparent; color: var(--accent); }



.btn-outline {

    display: inline-block;

    padding: 10px 24px;

    border: 2px solid var(--primary);

    color: var(--primary);

    font-weight: 600;

    border-radius: var(--radius-md);

    transition: var(--transition);

}

.btn-outline:hover { background-color: var(--primary); color: var(--bg-white); }



/* --- Header & Nav (Sticky Efekti İçin Hazır) --- */

header {

    position: fixed;

    width: 100%;

    top: 0;

    z-index: 1000;

    transition: var(--transition);

    background-color: transparent;

    padding: 15px 0;

}

header.scrolled {

    background-color: rgba(255, 255, 255, 0.95);

    backdrop-filter: blur(10px);

    box-shadow: var(--shadow-sm);

    padding: 10px 0;

}

header.scrolled .nav-links li a { color: var(--primary); }

header.scrolled .btn-outline { border-color: var(--primary); color: var(--primary); }



.nav-container { display: flex; justify-content: space-between; align-items: center; min-height: 76px; }

.logo { display: inline-flex; align-items: center; flex: 0 0 auto; }

.logo img { display: block; width: auto; height: 90px; max-width: 170px; object-fit: contain; transition: var(--transition); filter: brightness(0) invert(1);}

header.scrolled .logo img { filter: unset;}

.nav-links { list-style: none; display: flex; gap: 35px; align-items: center; }

.nav-links li a { font-weight: 500; color: var(--text-light); transition: var(--transition); font-size: 0.95rem; }

.nav-links li a:hover { color: var(--accent) !important; }

.mobile-menu-toggle {
    display: none;
    width: 44px;
    height: 44px;
    border: 1px solid rgba(255,255,255,.35);
    border-radius: 8px;
    background: rgba(255,255,255,.08);
    align-items: center;
    justify-content: center;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    z-index: 1001;
}

.mobile-menu-toggle span {
    width: 22px;
    height: 2px;
    border-radius: 2px;
    background: var(--text-light);
    transition: var(--transition);
}

header.scrolled .mobile-menu-toggle {
    border-color: rgba(10,37,64,.18);
    background: rgba(10,37,64,.04);
}

header.scrolled .mobile-menu-toggle span { background: var(--primary); }

body.menu-open { overflow: hidden; }

body.menu-open .mobile-menu-toggle span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
body.menu-open .mobile-menu-toggle span:nth-child(2) { opacity: 0; }
body.menu-open .mobile-menu-toggle span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }



/* --- Hero Section --- */

.hero-section { height: 100vh; width: 100%; position: relative; }

.swiper { width: 100%; height: 100%; }

.swiper-slide {

    display: flex; flex-direction: column; justify-content: center; align-items: center;

    background-size: cover; background-position: center; position: relative;

}

.swiper-slide::before {

    content: ""; position: absolute; inset: 0;

    background: linear-gradient(to bottom, rgba(10,37,64,0.8) 0%, rgba(10,37,64,0.6) 100%); z-index: 1;

}

.slide-content { position: relative; z-index: 2; max-width: 800px; text-align: center; color: var(--text-light); padding: 0 20px; }

.badge { display: inline-block; background: rgba(255,255,255,0.1); backdrop-filter: blur(5px); padding: 6px 16px; border-radius: 50px; font-size: 0.85rem; font-weight: 600; margin-bottom: 20px; letter-spacing: 1px; text-transform: uppercase; }

.slide-content h2 { font-size: 4rem; font-weight: 700; margin-bottom: 20px; line-height: 1.1; letter-spacing: -1px; }

.slide-content p { font-size: 1.25rem; margin-bottom: 40px; color: #E2E8F0; font-weight: 300; }



.swiper-button-next, .swiper-button-prev { color: var(--accent); }

.swiper-pagination-bullet-active { background-color: var(--accent); }



/* --- Hakkımızda Özeti --- */

.about-wrapper { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }

.about-text p { margin-bottom: 20px; color: var(--text-muted); font-size: 1.1rem; }

.link-arrow { color: var(--secondary); font-weight: 600; display: inline-flex; align-items: center; margin-top: 15px; transition: var(--transition); }

.link-arrow:hover { gap: 10px; color: var(--primary); }

.about-stats { display: flex; gap: 20px; }

.stat-box { background: var(--bg-light); padding: 40px; border-radius: var(--radius-lg); flex: 1; border: 1px solid var(--border-color); }

.stat-box h3 { font-size: 2.5rem; color: var(--primary); margin-bottom: 5px; }

.stat-box p { color: var(--text-muted); font-size: 0.9rem; font-weight: 600; }



/* --- Neden E4A? (Bento Grid) --- */

.bg-light { background-color: var(--bg-light); }

.bento-grid {

    display: grid;

    grid-template-columns: repeat(3, 1fr);

    gap: 24px;

    grid-auto-rows: minmax(200px, auto);

}

.bento-card {

    background: var(--bg-white); padding: 40px; border-radius: var(--radius-lg);

    box-shadow: var(--shadow-sm); border: 1px solid var(--border-color);

    transition: var(--transition); display: flex; flex-direction: column;

}

.bento-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-lg); border-color: var(--secondary); }

.bento-card.highlight { grid-column: span 2; background: var(--primary); color: var(--text-light); }

.bento-card.highlight p { color: #CBD5E1; }

.bento-card.highlight h3 { color: var(--bg-white); }

.bento-card.wide { grid-column: span 2; }

.card-icon { font-size: 2rem; margin-bottom: 20px; }

.bento-card h3 { color: var(--primary); font-size: 1.25rem; margin-bottom: 12px; }

.bento-card p { color: var(--text-muted); font-size: 0.95rem; }



/* --- Hizmetlerimiz (Premium Cards) --- */

.services-wrapper { display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; }

.service-premium-card {

    background: var(--bg-white); border-radius: var(--radius-lg); overflow: hidden;

    border: 1px solid var(--border-color); display: flex; flex-direction: column;

    transition: var(--transition);

}

.service-premium-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-5px); }

.service-content { padding: 40px; flex-grow: 1; }

.service-content h3 { font-size: 1.5rem; color: var(--primary); margin-bottom: 15px; }

.service-content p { color: var(--text-muted); font-size: 1rem; }

.service-footer { background: var(--bg-light); padding: 20px 40px; border-top: 1px solid var(--border-color); }

.service-footer a { font-weight: 600; color: var(--secondary); display: block; text-align: right; }



/* --- CTA Section --- */

.cta-premium { background-color: var(--primary); padding: 80px 0; margin: 60px 0; }

.cta-container { display: flex; justify-content: space-between; align-items: center; background-image: url('data:image/svg+xml,...'); /* Opsiyonel desen */ }

.cta-text h2 { color: var(--bg-white); font-size: 2.5rem; margin-bottom: 10px; }

.cta-text p { color: #94A3B8; font-size: 1.1rem; }

.btn-large { padding: 18px 40px; font-size: 1.1rem; }



/* --- Footer --- */

.main-footer { background-color: #051324; color: #94A3B8; padding: 30px 0; text-align: center; font-size: 0.9rem; }



/* --- Responsive --- */

@media (max-width: 992px) {

    .about-wrapper { grid-template-columns: 1fr; gap: 30px; }

    .bento-grid { grid-template-columns: 1fr 1fr; }

    .bento-card.highlight, .bento-card.wide { grid-column: span 1; }

    .services-wrapper { grid-template-columns: 1fr 1fr; }

    .cta-container { flex-direction: column; text-align: center; gap: 30px; }

}

@media (max-width: 768px) {

    .slide-content h2 { font-size: 2.5rem; }

    .bento-grid { grid-template-columns: 1fr; }

    .services-wrapper { grid-template-columns: 1fr; }

    .nav-links { display: none; } /* Mobil menü JS ile açılır yapılacak */

}



/* --- Alt Sayfalar (Hakkımızda, Hizmetler vb.) İçin Eklemeler --- */



.page-header {

    background-color: rgba(10, 37, 64, 0.75);

    color: var(--text-light);

    padding: 160px 0 80px 0; /* Header'ın altında kalmaması için üst boşluk */

    text-align: center;

}



.page-header-img{

    background-position: 50% 65%;

}



.page-header h1 {

    font-size: 3.5rem;

    font-weight: 700;

    margin-bottom: 15px;

    letter-spacing: -1px;

}



.page-header p {

    font-size: 1.25rem;

    color: #CBD5E1;

    font-weight: 300;

}



.text-content-wrapper {

    max-width: 850px;

    margin: 0 auto;

}



.main-text h2 {

    color: var(--primary);

    font-size: 2.2rem;

    margin-bottom: 30px;

    letter-spacing: -0.5px;

}



.main-text p {

    margin-bottom: 24px;

    font-size: 1.15rem;

    color: var(--text-dark);

    line-height: 1.8;

}



/* --- Neden E4A? (Zig-Zag Görsel Yerleşimi) --- */



.feature-row {

    display: flex;

    align-items: center;

    gap: 80px;

    margin-bottom: 120px;

}



.feature-row:last-child {

    margin-bottom: 0;

}



/* Tersine çevrilmiş satır (Metin solda, görsel sağda) */

.feature-row.reverse {

    flex-direction: row-reverse;

}



.feature-image-wrapper {

    flex: 1;

    border-radius: var(--radius-lg);

    overflow: hidden;

    box-shadow: var(--shadow-lg);

    aspect-ratio: 4 / 3; /* Fotoğrafların homojen durması için en-boy oranı sabitlemesi */

    background-color: var(--border-color); /* Fotoğraf yüklenene kadar gri alan */

}



.feature-image {

    width: 100%;

    height: 100%;

    object-fit: cover;

    transition: transform 0.7s ease;

}



.feature-image-wrapper:hover .feature-image {

    transform: scale(1.05); /* Fotoğrafın üzerine gelince hafifçe büyüme efekti */

}



.feature-text {

    flex: 1;

}



.feature-number {

    display: block;

    font-size: 4rem;

    font-weight: 700;

    color: var(--border-color); /* Çok hafif, arkada kalan bir numara stili */

    line-height: 1;

    margin-bottom: 10px;

    letter-spacing: -2px;

}



.feature-text h2 {

    color: var(--primary);

    font-size: 2rem;

    margin-bottom: 25px;

    letter-spacing: -0.5px;

}



.feature-text p {

    font-size: 1.1rem;

    color: var(--text-muted);

    margin-bottom: 20px;

    line-height: 1.8;

}



/* Responsive Düzenlemeler */

@media (max-width: 992px) {

    .feature-row, .feature-row.reverse {

        flex-direction: column;

        gap: 40px;

        margin-bottom: 80px;

    }

    

    .feature-image-wrapper {

        width: 100%;

    }

    

    .feature-text {

        width: 100%;

    }

}



/* --- Hizmetlerimiz (Hizmet Detayları / Alt Hizmet Grid Alanı) --- */



.service-block {

    padding: 100px 0;

}



.service-label {

    display: inline-block;

    font-size: 0.85rem;

    font-weight: 700;

    text-transform: uppercase;

    letter-spacing: 2px;

    color: var(--secondary);

    margin-bottom: 15px;

    border-bottom: 2px solid var(--accent);

    padding-bottom: 5px;

}



.service-highlight {

    font-size: 1.3rem;

    color: var(--primary);

    font-weight: 500;

    line-height: 1.5;

    margin-bottom: 20px;

    padding-left: 20px;

    border-left: 4px solid var(--accent);

}



.sub-services-grid {

    display: grid;

    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));

    gap: 30px;

    margin-top: 60px;

}



/* İkonsuz, Sol Çizgi Vurgulu Tipografi Kartları */

.sub-service-card {

    background-color: var(--bg-white);

    padding: 35px 30px;

    border-radius: 0 var(--radius-md) var(--radius-md) 0;

    border-left: 4px solid var(--primary);

    box-shadow: var(--shadow-sm);

    transition: var(--transition);

}



.sub-service-card:hover {

    box-shadow: var(--shadow-lg);

    transform: translateX(5px);

    border-left-color: var(--accent);

}



/* Koyu arkaplandaki veya bg-light içindeki kartların ayrışması için */

.bg-light .sub-service-card {

    background-color: var(--bg-white);

    border: 1px solid var(--border-color);

    border-left: 4px solid var(--primary);

}



.sub-service-card h3 {

    color: var(--primary);

    font-size: 1.2rem;

    margin-bottom: 15px;

    font-weight: 700;

    letter-spacing: -0.5px;

}



.sub-service-card p {

    color: var(--text-muted);

    font-size: 0.95rem;

    line-height: 1.6;

    margin: 0;

}



/* Responsive Düzenlemeler */

@media (max-width: 768px) {

    .sub-services-grid {

        grid-template-columns: 1fr;

        margin-top: 40px;

    }

}



/* --- İletişim Sayfası Grid ve Tipografi Düzeni --- */



.contact-grid {

    display: grid;

    grid-template-columns: 4fr 5fr;

    gap: 80px;

    align-items: start;

}



.contact-info-wrapper {

    padding-right: 20px;

}



.contact-title {

    font-size: 2.5rem;

    color: var(--primary);

    margin-bottom: 20px;

    letter-spacing: -1px;

}



.contact-desc {

    font-size: 1.1rem;

    color: var(--text-muted);

    margin-bottom: 50px;

    line-height: 1.8;

}



/* İkonsuz İletişim Bilgisi Blokları */

.info-block {

    margin-bottom: 35px;

    padding-bottom: 20px;

    border-bottom: 1px solid var(--border-color);

}



.info-block:last-child {

    border-bottom: none;

}



.info-label {

    display: block;

    font-size: 0.8rem;

    font-weight: 700;

    text-transform: uppercase;

    letter-spacing: 1.5px;

    color: var(--secondary);

    margin-bottom: 8px;

}



.info-value {

    font-size: 1.25rem;

    color: var(--primary);

    font-weight: 600;

    line-height: 1.5;

}



.hover-link {

    transition: var(--transition);

    border-bottom: 2px solid transparent;

}



.hover-link:hover {

    color: var(--accent);

    border-bottom-color: var(--accent);

}



/* --- İletişim Formu Tasarımı --- */



.contact-form-wrapper {

    background-color: var(--bg-white);

    padding: 50px;

    border-radius: var(--radius-lg);

    box-shadow: var(--shadow-lg);

    border: 1px solid var(--border-color);

}



.e4a-form {

    display: flex;

    flex-direction: column;

}



.form-row {

    display: grid;

    grid-template-columns: 1fr 1fr;

    gap: 20px;

}



.form-group {

    margin-bottom: 25px;

}



.form-group label {

    display: block;

    font-size: 0.9rem;

    font-weight: 600;

    color: var(--text-dark);

    margin-bottom: 8px;

}



.form-control {

    width: 100%;

    padding: 14px 18px;

    font-size: 1rem;

    color: var(--text-dark);

    background-color: var(--bg-light);

    border: 1px solid var(--border-color);

    border-radius: var(--radius-md);

    transition: var(--transition);

    font-family: inherit;

}



.form-control::placeholder {

    color: #94A3B8;

}



.form-control:focus {

    outline: none;

    border-color: var(--secondary);

    background-color: var(--bg-white);

    box-shadow: 0 0 0 4px rgba(0, 80, 158, 0.1); /* Odaklanıldığında şık bir dış parlama (glow) efekti */

}



select.form-control {

    appearance: none;

    background-image: url('data:image/svg+xml;utf8,<svg fill="%23333B4D" height="24" viewBox="0 0 24 24" width="24" xmlns="http://www.w3.org/2000/svg"><path d="M7 10l5 5 5-5z"/><path d="M0 0h24v24H0z" fill="none"/></svg>');

    background-repeat: no-repeat;

    background-position-x: 96%;

    background-position-y: 50%;

    cursor: pointer;

}



.btn-submit {

    width: 100%;

    font-size: 1.1rem;

    padding: 16px;

    text-align: center;

    cursor: pointer;

    border: none;

    margin-top: 10px;

}



/* reCAPTCHA kapsayıcısı */

.g-recaptcha {

    margin-top: 10px;

}



/* Responsive Düzenlemeler */

@media (max-width: 992px) {

    .contact-grid {

        grid-template-columns: 1fr;

        gap: 50px;

    }

    

    .contact-info-wrapper {

        padding-right: 0;

    }

    

    .contact-form-wrapper {

        padding: 40px 30px;

    }

}



@media (max-width: 600px) {

    .form-row {

        grid-template-columns: 1fr;

        gap: 0;

    }

}





/* --- Hakkımızda Alternatif Versiyon (V2) Stilleri --- */



.about-modern-wrapper {

    display: grid;

    grid-template-columns: 1fr 1fr;

    gap: 80px;

    align-items: center;

}



/* Sol Taraf: Görsel Alanı */

.about-visual {

    position: relative;

    border-radius: var(--radius-lg);

    z-index: 1;

}



.about-main-img {

    width: 100%;

    height: auto;

    aspect-ratio: 4 / 5;

    object-fit: cover;

    border-radius: var(--radius-lg);

    box-shadow: var(--shadow-lg);

}



.floating-stat-box {

    position: absolute;

    bottom: -30px;

    right: -30px;

    background-color: var(--primary);

    color: var(--bg-white);

    padding: 35px;

    border-radius: var(--radius-lg);

    box-shadow: 0 15px 35px rgba(10, 37, 64, 0.2);

    max-width: 280px;

    border-left: 4px solid var(--accent);

    z-index: 2;

}



.floating-stat-box .stat-number {

    display: block;

    font-size: 3.5rem;

    font-weight: 700;

    line-height: 1;

    margin-bottom: 10px;

    color: var(--accent);

    letter-spacing: -1px;

}



.floating-stat-box .stat-text {

    font-size: 0.95rem;

    line-height: 1.4;

    color: #CBD5E1;

    font-weight: 500;

}



/* Sağ Taraf: İçerik Alanı */

.section-label {

    display: inline-block;

    font-size: 0.85rem;

    font-weight: 700;

    text-transform: uppercase;

    letter-spacing: 2px;

    color: var(--secondary);

    margin-bottom: 15px;

}



.lead-text {

    font-size: 1.25rem;

    color: var(--primary);

    font-weight: 500;

    margin-bottom: 20px;

    line-height: 1.6;

}



.standard-text {

    font-size: 1.05rem;

    color: var(--text-muted);

    margin-bottom: 35px;

}



.about-features-text {

    display: grid;

    grid-template-columns: 1fr 1fr;

    gap: 20px;

    margin-bottom: 35px;

    padding-top: 30px;

    border-top: 1px solid var(--border-color);

}



.feature-text-item h4 {

    color: var(--primary);

    font-size: 1.1rem;

    margin-bottom: 8px;

    font-weight: 700;

}



.feature-text-item p {

    font-size: 0.9rem;

    color: var(--text-muted);

    line-height: 1.5;

}



/* Responsive Düzenlemeler */

@media (max-width: 992px) {

    .about-modern-wrapper {

        grid-template-columns: 1fr;

        gap: 60px;

    }



    .floating-stat-box {

        bottom: -20px;

        right: 20px;

        left: 20px;

        max-width: none;

        padding: 25px;

    }

    

    .about-visual {

        margin-bottom: 20px;

    }

}



@media (max-width: 600px) {

    .about-features-text {

        grid-template-columns: 1fr;

    }

}
/* CMS mesaj bildirimleri */
.site-alert {
    padding: 14px 18px;
    border-radius: var(--radius-md);
    margin-bottom: 22px;
    font-weight: 600;
}
.site-alert.success { background: #ECFDF5; color: #047857; border: 1px solid #A7F3D0; }
.site-alert.error { background: #FEF2F2; color: #B91C1C; border: 1px solid #FECACA; }
/* Mobile navigation */
@media (max-width: 768px) {
    header { padding: 10px 0; }
    .nav-container { min-height: 60px; }
    .logo img { height: 60px; max-width: 145px; }
    .mobile-menu-toggle { display: inline-flex; }
    nav { position: absolute; }
    .nav-links {
        position: fixed;
        left: 16px;
        right: 16px;
        top: 78px;
        display: grid;
        gap: 0;
        padding: 12px;
        background: rgba(255,255,255,.98);
        border: 1px solid rgba(15,23,42,.08);
        border-radius: 10px;
        box-shadow: 0 24px 60px rgba(15,23,42,.22);
        opacity: 0;
        visibility: hidden;
        transform: translateY(-10px);
        pointer-events: none;
        transition: var(--transition);
        z-index: 1000;
    }
    body.menu-open .nav-links {
        opacity: 1;
        visibility: visible;
        transform: translateY(0);
        pointer-events: auto;
    }
    .nav-links li a {
        display: block;
        color: var(--primary) !important;
        padding: 13px 14px;
        border-radius: 8px;
        font-size: 1rem;
    }
    .nav-links li a:hover { background: var(--bg-light); }
    .lang-switch {
        display: flex;
        gap: 8px;
        padding: 8px 6px 2px;
        border-top: 1px solid var(--border-color);
        margin-top: 4px;
    }
    .lang-switch a {
        width: auto;
        padding: 9px 12px !important;
        border: 1px solid var(--border-color);
    }
    .slide-content h2 { font-size: 2.35rem; }
    .slide-content p { font-size: 1rem; }
}

@media (max-width: 480px) {
    .logo img { height: 60px; max-width: 126px; }
    .mobile-menu-toggle { width: 40px; height: 40px; }
    .nav-links { left: 10px; right: 10px; top: 70px; }
    .slide-content h2 { font-size: 2rem; }
}