body {
    font-family: 'Segoe UI', Arial, sans-serif;
    margin: 0;
    padding: 0;
    background: linear-gradient(135deg, #e3edf7 0%, #f6fafd 100%);
    color: #232d3b;
}

header {
    background: linear-gradient(90deg, #2563eb 0%, #38bdf8 100%);
    color: #fff;
    padding: 0.5rem 0;
}
header .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.logo {
    font-size: 1.8rem;
    font-weight: bold;
    color: #fff;
    text-decoration: none;
}
nav ul {
    list-style: none;
    display: flex;
    gap: 1.5rem;
    margin: 0;
    padding: 0;
}
nav a {
    color: #fff;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.2s;
}
nav a:hover {
    color: #f0f9ff;
}
.hero.hero-large {
    background: linear-gradient(120deg, #38bdf8 20%, #2563eb 100%);
    color: #fff;
    padding: 5rem 0 3rem 0;
    text-align: center;
}
.hero-title {
    font-size: 2.7rem;
    font-weight: 800;
    margin-bottom: 1.2rem;
    letter-spacing: -1px;
}
.hero-desc {
    font-size: 1.3rem;
    margin-bottom: 2.2rem;
    color: #e3edf7;
}
.hero-cta {
    font-size: 1.15rem;
    padding: 1rem 2.7rem;
    border-radius: 32px;
    font-weight: 700;
    box-shadow: 0 4px 18px 0 rgba(56,189,248,0.13);
}
.features-modern {
    background: #f6fafd;
    padding: 3rem 0 2rem 0;
}
.features-modern .container {
    display: flex;
    gap: 2.5rem;
    justify-content: center;
    flex-wrap: wrap;
}
.feature-box {
    background: #fff;
    border-radius: 14px;
    box-shadow: 0 2px 16px 0 rgba(44, 62, 80, 0.09);
    padding: 2rem 1.5rem 1.5rem 1.5rem;
    text-align: center;
    flex: 1 1 240px;
    max-width: 340px;
    min-width: 220px;
    margin-bottom: 1.5rem;
}
.feature-icon {
    margin-bottom: 1.1rem;
}
.feature-icon img {
    width: 56px;
    height: 56px;
    object-fit: contain;
}
.referanslar-home {
    background: #fff;
    padding: 3.5rem 0 2.5rem 0;
}
.ref-list-home {
    display: flex;
    gap: 2.5rem;
    flex-wrap: wrap;
    justify-content: center;
    margin-top: 1.5rem;
}
.ref-item-home {
    background: #f6fafd;
    border-radius: 12px;
    box-shadow: 0 1px 8px 0 rgba(44, 62, 80, 0.07);
    padding: 1.4rem 1.2rem;
    display: flex;
    align-items: center;
    gap: 1.2rem;
    min-width: 220px;
    max-width: 320px;
}
.ref-item-home img {
    height: 48px;
    max-width: 90px;
    object-fit: contain;
    background: #fff;
    border-radius: 8px;
    padding: 4px 8px;
}
.section-title {
    font-size: 2rem;
    font-weight: 700;
    color: #2563eb;
    margin-bottom: 0.7rem;
    text-align: center;
}
.about-home {
    background: #f6fafd;
    padding: 3.5rem 0 2.5rem 0;
}
.about-flex {
    display: flex;
    gap: 2.5rem;
    align-items: center;
    flex-wrap: wrap;
}
.about-img {
    flex: 1 1 300px;
    text-align: center;
}
.about-img img {
    max-width: 340px;
    border-radius: 16px;
    box-shadow: 0 4px 18px 0 rgba(44,62,80,0.10);
}
.about-content {
    flex: 2 1 360px;
}
.about-content p {
    font-size: 1.1rem;
    margin-bottom: 1.2rem;
}
.about-list {
    list-style: disc inside;
    color: #2563eb;
    margin-bottom: 1.1rem;
}
.about-list li {
    margin-bottom: 0.4rem;
    color: #232d3b;
}
.sss-home {
    background: #fff;
    padding: 3rem 0 2.5rem 0;
}
.sss-list {
    display: flex;
    gap: 2rem;
    flex-wrap: wrap;
    justify-content: center;
    margin-top: 1.3rem;
}
.sss-item {
    background: #f6fafd;
    border-radius: 12px;
    box-shadow: 0 1px 8px 0 rgba(44, 62, 80, 0.07);
    padding: 1.5rem 1.3rem;
    flex: 1 1 220px;
    max-width: 340px;
    min-width: 200px;
    margin-bottom: 1rem;
}
.sss-item strong {
    color: #2563eb;
    font-size: 1.08rem;
    display: block;
    margin-bottom: 0.5rem;
}
.cta-home {
    background: linear-gradient(90deg, #38bdf8 0%, #2563eb 100%);
    color: #fff;
    padding: 3rem 0 2.2rem 0;
    text-align: center;
}
.cta-box {
    background: #fff;
    color: #232d3b;
    border-radius: 18px;
    box-shadow: 0 4px 24px 0 rgba(44,62,80,0.10);
    padding: 2.5rem 1.5rem;
    display: inline-block;
    max-width: 540px;
    margin: 0 auto;
}
.cta-box h2 {
    color: #2563eb;
    font-size: 1.6rem;
    font-weight: 700;
    margin-bottom: 0.8rem;
}

.blog-list {
    display: flex;
    gap: 2.2rem;
    flex-wrap: wrap;
    justify-content: flex-start;
    margin-top: 2rem;
    align-items: stretch;
}
.blog-card {
    background: #fff;
    border-radius: 16px;
    box-shadow: 0 2px 16px 0 rgba(44, 62, 80, 0.10);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    width: 320px;
    min-width: 220px;
    transition: transform 0.18s, box-shadow 0.18s;
    align-items: stretch;
}
.blog-card:hover {
    transform: translateY(-5px) scale(1.03);
    box-shadow: 0 8px 32px 0 rgba(56,189,248,0.13);
}
.blog-card-img {
    width: 100%;
    height: 180px;
    overflow: hidden;
    background: #f6fafd;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 13px 13px 0 0;
    box-shadow: 0 2px 10px 0 rgba(44,62,80,0.07);
}
.blog-card-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    display: block;
    border-radius: 13px 13px 0 0;
    transition: transform 0.18s;
}
.blog-card-img img:hover {
    transform: scale(1.04);
}
.blog-category {
    background: #e0eaff;
    color: #2563eb;
    display: inline-block;
    font-size: 0.93rem;
    font-weight: 600;
    border-radius: 8px;
    padding: 2px 12px 2px 12px;
    margin-bottom: 0.5rem;
    letter-spacing: 0.5px;
}
.blog-card {
    background: #fff;
    border-radius: 16px;
    box-shadow: 0 2px 16px 0 rgba(44, 62, 80, 0.10);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    width: 320px;
    min-width: 220px;
    transition: transform 0.18s, box-shadow 0.18s;
    align-items: stretch;
    margin-bottom: 2.5rem;
}
.blog-card-content {
    padding: 1.2rem 1.1rem 1.2rem 1.1rem;
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
}
@media (max-width: 900px) {
    .blog-card, .blog-card-img {
        width: 100%;
        min-width: 0;
        height: 140px;
    }
    .blog-card-content {
        padding: 1rem 0.6rem 1rem 0.6rem;
    }
}

.blog-card-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    display: block;
    border-radius: 16px 16px 0 0;
}
.blog-card-content {
    padding: 1.2rem 1.1rem 1.2rem 1.1rem;
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
}
.btn-secondary {
    background: #e3edf7;
    color: #2563eb;
    padding: 0.6rem 1.3rem;
    border: none;
    border-radius: 24px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    display: inline-block;
    margin-top: 0.5rem;
    text-decoration: none;
    transition: background 0.18s, color 0.18s;
}
.btn-secondary:hover {
    background: #2563eb;
    color: #fff;
}

/* Blog detay görseli */
.blog-detail-img {
    width: 100%;
    max-width: 700px;
    margin: 0 auto 2rem auto;
    display: flex;
    justify-content: center;
    align-items: center;
    overflow: hidden;
    border-radius: 16px;
    box-shadow: 0 2px 16px 0 rgba(44, 62, 80, 0.10);
    background: #f6fafd;
}
.blog-detail-img img {
    width: 100%;
    height: 340px;
    max-width: 100%;
    object-fit: cover;
    object-position: center;
    border-radius: 16px;
    display: block;
}

/* Blog liste kartındaki küçük görsel */
.blog-item-img {
    width: 100%;
    height: 160px;
    overflow: hidden;
    background: #f6fafd;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 12px;
    margin-bottom: 1rem;
}
.blog-item-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    display: block;
}
@media (max-width: 900px) {
    .blog-list {
        flex-direction: column;
        align-items: center;
    }
    .blog-card {
        width: 100%;
        min-width: 0;
    }
}


@media (max-width: 900px) {
    .about-flex, .sss-list {
        flex-direction: column;
        align-items: center;
    }
    .about-img, .about-content, .sss-item {
        max-width: 100%;
        min-width: 0;
    }
}
.section-title {
    font-size: 2rem;
    font-weight: 700;
    color: #2563eb;
    margin-bottom: 0.7rem;
    text-align: center;
}
@media (max-width: 900px) {
    .features-modern .container, .ref-list-home {
        flex-direction: column;
        align-items: center;
    }
    .feature-box, .ref-item-home {
        max-width: 100%;
        min-width: 0;
    }
}

.contact-form {
    background: #fff;
    border-radius: 16px;
    box-shadow: 0 2px 16px 0 rgba(44, 62, 80, 0.09);
    padding: 2rem 2.5rem;
    margin: 2rem 0;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}
.contact-form label {
    font-weight: 500;
    margin-bottom: 0.4rem;
    color: #2563eb;
}
.contact-form input[type="text"],
.contact-form input[type="email"],
.contact-form textarea {
    width: 100%;
    padding: 0.7rem 1rem;
    border: 1px solid #b6c4e2;
    border-radius: 8px;
    font-size: 1rem;
    background: #f6fafd;
    transition: border 0.2s;
}
.contact-form input[type="text"]:focus,
.contact-form input[type="email"]:focus,
.contact-form textarea:focus {
    border-color: #2563eb;
    outline: none;
}
.contact-form textarea {
    min-height: 120px;
    resize: vertical;
}
.contact-form input[type="file"] {
    padding: 0.5rem 0;
    background: #f6fafd;
    border: none;
    font-size: 1rem;
}
.btn-primary {
    background: linear-gradient(90deg, #2563eb 0%, #38bdf8 100%);
    color: #fff;
    padding: 0.75rem 2rem;
    border: none;
    border-radius: 30px;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.2s;
    margin-top: 0.7rem;
}
.btn-primary:hover {
    background: linear-gradient(90deg, #38bdf8 0%, #2563eb 100%);
}
.alert-success {
    background: #d1f7e8;
    color: #218c5e;
    border-left: 6px solid #38bdf8;
    padding: 1rem 1.5rem;
    border-radius: 8px;
    margin-bottom: 1.2rem;
}
.alert-error {
    background: #ffe1e1;
    color: #c0392b;
    border-left: 6px solid #f87171;
    padding: 1rem 1.5rem;
    border-radius: 8px;
    margin-bottom: 1.2rem;
}
main.home .hero h1 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
}
main.home .hero p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
}
.btn-primary {
    background: linear-gradient(90deg, #2563eb 0%, #38bdf8 100%);
    color: #fff;
    padding: 0.75rem 2rem;
    border: none;
    border-radius: 30px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    text-decoration: none;
    box-shadow: 0 4px 16px rgba(56,189,248,0.08);
    transition: background 0.2s;
}
.btn-primary:hover {
    background: linear-gradient(90deg, #38bdf8 0%, #2563eb 100%);
}
.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
}
.features {
    display: flex;
    justify-content: space-between;
    gap: 2rem;
    margin-top: 3rem;
}
.feature-box {
    background: #fff;
    border-radius: 18px;
    box-shadow: 0 2px 12px rgba(56,189,248,0.10);
    padding: 2rem 1.5rem;
    flex: 1;
    text-align: center;
    transition: box-shadow 0.2s;
}
.feature-box:hover {
    box-shadow: 0 6px 24px rgba(37,99,235,0.13);
}
footer {
    background: #f1f5f9;
    color: #232d3b;
    text-align: center;
    padding: 1.5rem 0;
    margin-top: 3rem;
    font-size: 1rem;
}
@media (max-width: 900px) {
    .features {
        flex-direction: column;
        gap: 1.5rem;
    }
}