/* ==========================================================================
   1. GENEL AYARLAR & AYDINLIK TEMA SIFIRLAMA
   ========================================================================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    scroll-behavior: smooth !important;
}

html, body {
    width: 100%;
    height: 100%;
    background-color: #f8fafc;
    color: #1e293b;
    line-height: 1.6;
}

/* ==========================================================================
   2. HEADER (ÜST MENÜ) - Orijinal hizalamaya geri dönüldü
   ========================================================================== */
header {
    background-color: #ffffff;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 8px 10%;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    box-shadow: 0 2px 15px rgba(0, 0, 0, 0.05);
    z-index: 1000;
}

.logo-container {
    display: flex;
    align-items: center;
}

.main-logo {
    height: 55px; 
    width: auto;
    display: block;
    object-fit: contain;
}

header nav a {
    text-decoration: none;
    color: #475569;
    font-weight: 600;
    margin-left: 25px;
    transition: color 0.3s ease;
}

header nav a:hover {
    color: #e37213;
}

/* ==========================================================================
   3. SLIDER CSS AYARLARI
   ========================================================================== */
.slider-container {
    position: relative;
    height: 85vh;
    margin-top: 70px;
    overflow: hidden;
    background-color: #000;
}

.slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    opacity: 0;
    transition: opacity 1s ease-in-out;
    z-index: 1;
}

.slide.active {
    opacity: 1;
    z-index: 2;
}

.slider-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(11, 31, 59, 0.6);
    z-index: 3;
}

.slider-content {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
    color: #ffffff;
    z-index: 4;
    width: 90%;
    max-width: 900px;
}

.slider-content h1 {
    font-size: 56px;
    font-weight: 800;
    margin-bottom: 15px;
    letter-spacing: 2px;
    text-shadow: 0 2px 15px rgba(0,0,0,0.5);
}

.slider-content p {
    font-size: 24px;
    font-weight: 600;
    line-height: 1.5;
    margin-bottom: 35px;
    text-shadow: 0 2px 10px rgba(0,0,0,0.6);
}

.slider-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(255, 255, 255, 0.2);
    color: white;
    padding: 15px 20px;
    border: none;
    cursor: pointer;
    font-size: 24px;
    border-radius: 50%;
    z-index: 5;
    transition: background 0.3s;
}

.slider-btn:hover {
    background: rgba(227, 114, 19, 0.8);
}

.prev-btn { left: 30px; }
.next-btn { right: 30px; }

.btn {
    display: inline-block;
    background-color: #e37213;
    color: #ffffff;
    text-decoration: none;
    padding: 16px 40px;
    font-weight: 700;
    border-radius: 8px;
    box-shadow: 0 4px 15px rgba(227, 114, 19, 0.3);
    transition: all 0.3s ease;
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(227, 114, 19, 0.4);
    background-color: #c6600e;
}

/* ==========================================================================
   4. HİZMETLERİMİZ BÖLÜMÜ
   ========================================================================== */
.services {
    padding: 90px 10%;
    background-color: #ffffff;
    text-align: center;
}

.services h2 {
    font-size: 34px;
    font-weight: 700;
    color: #11325d;
    margin-bottom: 50px;
}

.services h2::after {
    content: '';
    display: block;
    width: 60px;
    height: 4px;
    background-color: #e37213;
    margin: 10px auto 0 auto;
    border-radius: 2px;
}

.service-cards {
    display: flex;
    justify-content: center;
    gap: 30px;
    flex-wrap: wrap;
}

.card {
    background-color: #f8fafc;
    border: 1px solid #e2e8f0;
    border-radius: 12px;
    padding: 40px 30px;
    width: 325px;
    text-align: left;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 30px -5px rgba(0, 0, 0, 0.1);
    border-color: #e37213;
}

.card h3 {
    font-size: 22px;
    color: #11325d;
    margin-bottom: 15px;
}

.card p {
    color: #64748b;
    font-size: 15px;
}

/* ==========================================================================
   5. HAKKIMIZDA BÖLÜMÜ
   ========================================================================== */
.about {
    background-color: #f8fafc;
    padding: 90px 10%;
    text-align: center;
}

.about h2 {
    font-size: 34px;
    font-weight: 700;
    color: #11325d;
    margin-bottom: 25px;
}

.about p {
    color: #475569;
    font-size: 18px;
    max-width: 850px;
    margin: 0 auto;
    line-height: 1.8;
}

/* ==========================================================================
   6. İLETİŞİM BÖLÜMÜ - Tek kutuya göre sadeleştirilmiş yerleşim
   ========================================================================== */
.contact {
    padding: 90px 10%;
    background-color: #ffffff;
    text-align: center;
}

.contact h2 {
    font-size: 34px;
    font-weight: 700;
    color: #11325d;
    margin-bottom: 50px;
}

.contact h2::after {
    content: '';
    display: block;
    width: 60px;
    height: 4px;
    background-color: #e37213;
    margin: 10px auto 0 auto;
    border-radius: 2px;
}

.contact-container {
    display: flex;
    justify-content: center; /* Tek kalan bilgi kutusunu tam ortalar */
    max-width: 800px;
    margin: 0 auto;
    text-align: left;
}

.contact-info {
    flex: 1;
    background-color: #f8fafc;
    border: 1px solid #e2e8f0;
    padding: 40px;
    border-radius: 12px;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05);
}

.contact-info h3 {
    font-size: 26px;
    color: #11325d;
    margin-bottom: 15px;
}

.contact-info p {
    color: #64748b;
    margin-bottom: 35px;
}

.info-item {
    margin-bottom: 25px;
    font-size: 16px;
}

.info-item strong {
    display: block;
    color: #11325d;
    margin-bottom: 5px;
}

.info-item a, .info-item span {
    color: #475569;
    font-weight: 600;
    text-decoration: none;
}

.info-item a {
    color: #e37213; /* Linkleri belirgin yapar */
}

/* ==========================================================================
   7. SABİT WHATSAPP BUTONU
   ========================================================================== */
.whatsapp-fixed {
    position: fixed;
    bottom: 30px;
    right: 30px;
    background-color: #25d366;
    color: white;
    text-decoration: none;
    padding: 15px 25px;
    font-weight: bold;
    border-radius: 50px;
    box-shadow: 0 4px 15px rgba(37, 211, 102, 0.3);
    z-index: 9999;
    transition: all 0.3s ease;
}

.whatsapp-fixed:hover {
    transform: scale(1.05);
    background-color: #128c7e;
}

/* ==========================================================================
   8. FOOTER
   ========================================================================== */
footer {
    background-color: #0b1f3b;
    color: #94a3b8;
    text-align: center;
    padding: 35px 20px;
    font-size: 14px;
    border-top: 1px solid #11325d;
}