/* Genel Ayarlar ve Fontlar */

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}



body {
    font-family: 'Montserrat', sans-serif;
    line-height: 1.6;
    background-color: #0d1117; /* EN KOYU: GitHub Dark Tema Arka Planı */

    color: #f0f6fc; /* Açık Metin */

    overflow-x: hidden;
}



/* Renk Paleti - TELEGRAM ODAKLI MAVİ */

:root {
    --primary-blue: #00AEEA; /* CANLI TELEGRAM MAVİSİ */

    --dark-blue: #00223A; /* ÇOK KOYU MAVİ (Arka plan için) */

    --background-dark: #161b22; /* Koyu Bölüm Arka Planı */

    --text-light: #f0f6fc;
    --shadow-dark: 0 8px 25px rgba(0, 0, 0, 0.5);
    --transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94); /* Yumuşak ve profesyonel geçiş */

    --white: #ffffff;
}



/* Utility Sınıfları */

.highlight-text {
    color: var(--primary-blue);
}



/* Butonlar */

.btn-primary {
    display: inline-block;
    background-color: var(--primary-blue);
    color: #fff;
    padding: 14px 35px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
    border: none;
    cursor: pointer;
    /* Yeni Mavi Gölge */

    box-shadow: 0 10px 20px rgba(0, 174, 234, 0.3);
}



    .btn-primary:hover {
        background-color: #0088CC; /* Daha Koyu Telegram Mavi */

        transform: translateY(-5px) scale(1.02);
        box-shadow: 0 15px 30px rgba(0, 174, 234, 0.5);
    }



/* Navbar */

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 5%;
    background-color: var(--background-dark); /* Koyu Arka Plan */

    box-shadow: var(--shadow-dark);
    position: sticky;
    top: 0;
    z-index: 1000;
    transition: background-color 0.4s ease;
}



.logo {
    font-size: 2rem;
    font-weight: 800;
    color: var(--text-light);
}



.nav-links a {
    text-decoration: none;
    color: var(--text-light);
    margin-left: 30px;
    font-weight: 600;
    transition: color 0.3s;
    position: relative;
}



    .nav-links a:hover {
        color: var(--primary-blue);
    }

    /* Alt çizgi efekti */

    .nav-links a::after {
        content: '';
        position: absolute;
        bottom: -5px;
        left: 0;
        width: 0;
        height: 2px;
        background-color: var(--primary-blue);
        transition: width 0.3s ease;
    }



    .nav-links a:hover::after {
        width: 100%;
    }



.nav-links .btn-contact {
    /* Buton stili */

    padding: 8px 25px;
    border: 2px solid var(--primary-blue);
    background-color: transparent;
    border-radius: 25px;
    margin-left: 40px;
}



    .nav-links .btn-contact:hover {
        background-color: var(--primary-blue);
        color: #fff;
    }



    .nav-links .btn-contact::after {
        content: none; /* Butonda alt çizgi olmasın */
    }



/* Section Başlıkları */

section {
    padding: 100px 5%;
    text-align: center;
}



    section h2 {
        font-size: 3rem;
        color: var(--primary-blue);
        margin-bottom: 20px;
        font-weight: 700;
        position: relative;
    }



        section h2::after {
            content: '';
            display: block;
            width: 50px;
            height: 4px;
            background-color: var(--primary-blue);
            margin: 10px auto 0;
            border-radius: 2px;
        }



/* ================================================= */

/* HERO BÖLÜMÜ STİLİ */

/* ================================================= */

.hero-section {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 150px;
    background: linear-gradient(135deg, var(--dark-blue) 0%, var(--background-dark) 100%);
    min-height: 90vh;
    overflow: hidden;
    text-align: left;
}



.hero-content {
    max-width: 55%;
}



    .hero-content h1 {
        font-size: 4.5rem;
        color: var(--text-light);
        margin-bottom: 20px;
        font-weight: 800;
    }



    .hero-content p {
        font-size: 1.2rem;
        margin-bottom: 50px;
        color: #aaa;
    }



.hero-image {
    width: 40%;
    text-align: center;
    color: var(--primary-blue);
}



    .hero-image i {
        font-size: 10rem;
        /* İkonun etrafında Telegram temasına uygun parlama animasyonu */

        text-shadow: 0 0 20px rgba(0, 174, 234, 0.8), 0 0 40px rgba(0, 174, 234, 0.5);
        animation: floating 4s ease-in-out infinite alternate;
    }



@keyframes floating {

    0% {
        transform: translateY(0) rotate(0deg);
    }



    100% {
        transform: translateY(-15px) rotate(2deg);
    }
}



/* ================================================= */

/* HİZMETLER BÖLÜMÜ STİLİ */

/* ================================================= */

.services-section {
    background-color: var(--background-dark);
}



.services-grid {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 40px;
}



.service-card {
    background-color: #1e222a; /* Koyu Kart Arka Planı (Telegram'a yakın) */

    padding: 35px;
    border-radius: 15px;
    box-shadow: var(--shadow-dark);
    width: 300px;
    min-width: 280px;
    text-align: center;
    overflow: hidden;
    border-bottom: 5px solid var(--primary-blue);
    position: relative;
}



    .service-card i {
        color: var(--primary-blue);
        margin-bottom: 25px;
        font-size: 3.5rem;
    }



    .service-card h3 {
        margin-bottom: 15px;
        color: var(--text-light);
        font-weight: 700;
    }



    .service-card p {
        color: #ccc;
        font-size: 0.95rem;
    }



/* ================================================= */

/* ÜRÜNLER (PAKETLER) BÖLÜMÜ STİLİ */

/* ================================================= */



.products-grid {
    display: flex;
    justify-content: center;
    gap: 30px;
    flex-wrap: wrap;
}



.product-card {
    /* service-card stilini miras alıyor, ancak arka planı temizleyelim */

    background-color: #1e222a;
    padding: 35px;
    border-radius: 15px;
    box-shadow: var(--shadow-dark);
    width: 300px;
    min-width: 280px;
    text-align: center;
    overflow: hidden;
    border-bottom: 5px solid var(--primary-blue);
    position: relative;
}



    .product-card .product-image {
        height: 150px;
        border-radius: 10px;
        margin-bottom: 15px;
        /* Telegram temasına uygun koyu mavi/siyan */

        background-color: #005a8b !important;
    }



    .product-card h4 {
        margin-bottom: 10px;
        color: var(--text-light);
        font-weight: 600;
    }



    .product-card .price {
        color: var(--primary-blue);
        font-weight: 700;
        font-size: 1.5rem;
        margin-bottom: 15px;
    }



/* ================================================= */

/* İLETİŞİM BUTONLARI */

/* ================================================= */



.contact-links {
    display: flex;
    justify-content: center;
    gap: 30px;
    margin-top: 50px;
    margin-bottom: 20px;
}



.contact-link-item {
    text-decoration: none;
    display: flex;
    flex-direction: column;
    align-items: center;
    color: var(--text-light);
    transition: var(--transition);
}



    .contact-link-item:hover {
        color: var(--primary-blue);
        transform: translateY(-5px); /* Hafif yukarı kalkma animasyonu */
    }



.contact-link-icon {
    font-size: 3rem;
    width: 80px;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%; /* Yuvarlak buton */

    margin-bottom: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
    transition: var(--transition);
    border: 2px solid transparent;
}



/* WhatsApp Rengi */

.contact-link-item:nth-child(1) .contact-link-icon {
    background-color: #25D366;
    color: var(--white);
}



.contact-link-item:nth-child(1):hover .contact-link-icon {
    transform: scale(1.1) rotate(5deg);
    box-shadow: 0 0 25px #25D366;
}



/* Telegram Rengi (ANA ODAK) */

.contact-link-item:nth-child(2) .contact-link-icon {
    background-color: var(--primary-blue); /* Canlı Telegram Mavi */

    color: var(--white);
}



.contact-link-item:nth-child(2):hover .contact-link-icon {
    transform: scale(1.1) rotate(-5deg);
    box-shadow: 0 0 25px var(--primary-blue);
}



/* Telefon Rengi (Kontrast Mor/Magenta) */

.contact-link-item:nth-child(3) .contact-link-icon {
    background-color: #3f004b;
    color: var(--white);
}



.contact-link-item:nth-child(3):hover .contact-link-icon {
    transform: scale(1.1);
    box-shadow: 0 0 25px #3f004b;
}



/* İletişim Formu (Koyu Arka Plan Stili) */

.contact-section .contact-form {
    margin-top: 40px;
    background-color: #1e222a !important; /* Kartlarla aynı olsun */
}



    .contact-section .contact-form input,
    .contact-section .contact-form textarea {
        background-color: #333 !important;
        color: #fff !important;
        border: 1px solid #444 !important;
    }





/* ================================================= */

/* FOOTER */

/* ================================================= */

.footer {
    background-color: #05050a; /* En Koyu Siyah */

    color: #888;
    padding: 30px 5%;
    text-align: center;
    display: flex;
    justify-content: space-between;
    align-items: center;
}



.social-links a {
    color: var(--primary-blue);
    margin-left: 15px;
    font-size: 1.5rem;
    transition: transform 0.3s;
}



    .social-links a:hover {
        transform: scale(1.2);
    }





/* ================================================= */

/* ANIMASYONLAR (CSS ve Keyframes) - On Scroll */

/* ================================================= */

/* (Bu bölüm önceki kodunuzla aynıdır, sadece tutarlılık için eklenmiştir.) */



.animate-on-scroll {
    opacity: 0;
    transition: var(--transition);
    transform: translateY(30px);
}



    .animate-on-scroll.in-view {
        opacity: 1;
        transform: translateY(0);
    }



    .animate-on-scroll[data-animation="zoom-fade"] {
        transform: scale(0.9) translateY(40px);
    }



    .animate-on-scroll.in-view[data-animation="zoom-fade"] {
        transform: scale(1) translateY(0);
    }



    .animate-on-scroll[data-animation="rotate-x"] {
        transform: rotateX(-90deg);
        transform-origin: top;
    }



    .animate-on-scroll.in-view[data-animation="rotate-x"] {
        transform: rotateX(0deg);
        transform-origin: top;
    }





/* Hero Animasyonları (Sayfa Yüklenir Yüklenmez Çalışır) */

@keyframes slideInFromTop {

    from {
        opacity: 0;
        transform: translateY(-50px);
    }



    to {
        opacity: 1;
        transform: translateY(0);
    }
}



.hero-content h1 {
    opacity: 0;
    animation: slideInFromTop 0.8s ease-out forwards;
}



.hero-content p {
    opacity: 0;
    animation: slideInFromTop 0.8s ease-out forwards 0.3s;
}



.hero-content .btn-primary {
    opacity: 0;
    animation: slideInFromTop 0.8s ease-out forwards 0.6s;
}





/* Responsive Düzenleme (Mobil Uyumluluk) */

@media (max-width: 992px) {

    .hero-section {
        flex-direction: column;
        text-align: center;
        padding-top: 120px;
    }



    .hero-content, .hero-image {
        max-width: 100%;
        width: 100%;
    }



        .hero-content h1 {
            font-size: 3rem;
        }



    .hero-image {
        margin-top: 50px;
    }



        .hero-image i {
            font-size: 8rem;
        }



    .services-grid {
        gap: 20px;
    }



    .service-card {
        width: 45%;
    }



    .footer {
        flex-direction: column;
        gap: 15px;
    }



    .contact-links {
        flex-direction: column;
        gap: 20px;
    }
}



@media (max-width: 600px) {

    .navbar {
        flex-direction: column;
    }



    .nav-links {
        margin-top: 15px;
        display: flex;
        flex-wrap: wrap;
        justify-content: center;
        gap: 10px;
    }



        .nav-links a {
            margin: 0 5px;
        }



    .service-card, .product-card {
        width: 100%;
    }



    section {
        padding: 60px 5%;
    }
}

.navbar {
    /* Eski 'position: sticky' yerine 'fixed-top' kullanıldı, ancak özel arka plan rengini zorlayalım */

    background-color: var(--background-dark) !important;
    box-shadow: var(--shadow-dark);
    /* Üstteki boşluğu ayarlamak için bu satır gereksiz hale geldi */
    /* padding: 20px 5%; */
}



.navbar-brand.logo {
    font-size: 2rem;
    font-weight: 800;
    color: var(--text-light) !important; /* Bootstrap varsayılanını ezmek için */
}



/* Navbar linkleri için genel stil */

.nav-links .nav-item .nav-link {
    text-decoration: none;
    color: var(--text-light) !important; /* Tüm linkler koyu temaya uygun */

    font-weight: 600;
    transition: color 0.3s;
    position: relative;
    margin: 0 10px; /* Kenar boşlukları */
}



    .nav-links .nav-item .nav-link:hover {
        color: var(--primary-blue) !important;
    }



    /* Alt çizgi efekti (Sadece nav-link sınıfına ekliyoruz) */

    .nav-links .nav-item .nav-link::after {
        content: '';
        position: absolute;
        bottom: -5px;
        left: 0;
        width: 0;
        height: 2px;
        background-color: var(--primary-blue);
        transition: width 0.3s ease;
    }



    .nav-links .nav-item .nav-link:hover::after {
        width: 100%;
    }



/* İletişim Butonu (Özel stil) */

.nav-links .btn-contact {
    /* Buton stili */

    padding: 8px 25px !important;
    border: 2px solid var(--primary-blue) !important;
    background-color: transparent !important;
    border-radius: 25px !important;
    margin-left: 20px !important;
    color: var(--primary-blue) !important; /* Başlangıçta mavi metin */
}



    .nav-links .btn-contact:hover {
        background-color: var(--primary-blue) !important;
        color: #fff !important;
    }



    .nav-links .btn-contact::after {
        content: none !important; /* Butonda alt çizgi olmasın */
    }



/* Mobil Menü Açıkken Navbar linkleri için hizalama */

@media (max-width: 991px) {

    .nav-links {
        padding: 15px 0;
        background-color: #1e222a; /* Açılır menü arka planı */

        margin-top: 10px;
        border-radius: 5px;
    }



        .nav-links .nav-item {
            text-align: left;
            padding: 5px 15px;
        }



        .nav-links .btn-contact {
            /* Mobilde tam genişlik buton için stil */

            width: 90%;
            text-align: center;
            margin: 10px auto;
            display: block;
        }



    /* Hero bölümünün navbar altına kaymasını düzeltmek için */

    .hero-section {
        padding-top: 100px !important;
    }
}
.service-list {
    text-align: left;
    padding: 20px;
}

    .service-list li {
        font-size: 1.1rem;
        margin-bottom: 12px;
        list-style: none; /* Varsayılan list stilini kaldır */
        position: relative;
        padding-left: 25px;
        color: #ccc;
    }

        .service-list li::before {
            content: "\f058"; /* Check-circle ikonu (Font Awesome) */
            font-family: 'Font Awesome 6 Free';
            font-weight: 900;
            color: var(--primary-blue);
            position: absolute;
            left: 0;
            top: 0;
        }

.service-grid-item {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}
.case-study-grid {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 40px;
    margin-top: 40px;
}

.case-study-card {
    background-color: #1e222a; /* Koyu Kart Arka Planı */
    padding: 30px;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
    width: 550px; /* Daha geniş kartlar için ayar */
    max-width: 100%;
    text-align: left;
    border-left: 5px solid var(--primary-blue);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

    .case-study-card:hover {
        transform: translateY(-5px);
        box-shadow: 0 15px 40px rgba(0, 174, 234, 0.25);
    }

    .case-study-card h3 {
        font-size: 1.8rem;
        color: var(--primary-blue);
        margin-bottom: 10px;
    }

    .case-study-card .result-metric {
        display: block;
        font-size: 1.2rem;
        font-weight: 700;
        color: #4CAF50; /* Başarı Rengi */
        margin-top: 10px;
    }

    .case-study-card .client-tag {
        font-style: italic;
        color: #888;
        margin-top: 15px;
        padding-top: 10px;
        border-top: 1px dashed #333;
    }

.section-separator {
    padding: 20px 0;
    background-color: var(--dark-blue);
    color: var(--primary-blue);
    font-size: 1.5rem;
    font-weight: 700;
    text-align: center;
    border-radius: 10px;
    margin-top: 50px;
    margin-bottom: 50px;
}
.contact-link-item:nth-child(3) .contact-link-icon {
    /* R10'a daha uygun nötr, profesyonel bir renk */
    background-color: #3f4751;
    color: var(--white);
}

.contact-link-item:nth-child(3):hover .contact-link-icon {
    transform: scale(1.1);
    box-shadow: 0 0 25px #3f4751;
}
.pricing-grid {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 35px;
    margin-top: 50px;
}

.pricing-card {
    background-color: #1a1f26; /* Hafif daha koyu arka plan */
    padding: 35px;
    border-radius: 18px;
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.6);
    width: 380px; /* Daha geniş kart */
    max-width: 100%;
    text-align: center;
    position: relative;
    overflow: hidden;
    border: 1px solid #333; /* Hafif sınır */
    transition: var(--transition);
}

    .pricing-card:hover {
        transform: translateY(-8px) scale(1.02);
        box-shadow: 0 20px 45px rgba(0, 174, 234, 0.4);
        border-color: var(--primary-blue);
    }

/* İkon Stili */
.card-icon-lg {
    font-size: 4rem;
    color: var(--primary-blue);
    margin-bottom: 20px;
    transition: color 0.3s;
}

.pricing-card h3 {
    font-size: 2.2rem;
    margin-bottom: 15px;
    color: var(--text-light);
    font-weight: 700;
}

.pricing-card .price-tag {
    font-size: 4rem;
    font-weight: 800;
    color: var(--primary-blue); /* Fiyatı öne çıkar */
    margin-bottom: 30px;
    line-height: 1;
}

.price-tag span {
    font-size: 1.2rem;
    font-weight: 400;
    color: #888;
}

.pricing-card ul {
    list-style: none;
    padding: 0;
    text-align: center; /* Listeyi ortaya hizala */
    margin-bottom: 35px;
}

    .pricing-card ul li {
        padding: 8px 0;
        color: #ccc;
        font-size: 1.05rem;
    }

        .pricing-card ul li i {
            color: #25D366;
            margin-right: 8px;
        }

/* Öne Çıkan Kart Stili */
.pricing-card.featured {
    background-color: #00223a; /* Dark Blue arka plan */
    border: 2px solid #FFD700;
}

    .pricing-card.featured .card-icon-lg {
        color: #FFD700; /* Altın ikon */
    }

    .pricing-card.featured .price-tag {
        color: #FFD700;
    }

    .pricing-card.featured .btn-primary {
        background-color: #FFD700;
        color: #1a1f26;
        box-shadow: 0 10px 20px rgba(255, 215, 0, 0.4);
    }

        .pricing-card.featured .btn-primary:hover {
            background-color: #e5c100;
        }

/* Başlıklar Arası Bölücü */
.section-separator {
    padding: 15px 0;
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--text-light);
    background-color: #1e222a;
    border-radius: 8px;
    margin: 60px 0;
    border-left: 5px solid var(--primary-blue);
}