* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

body {
    overflow-x: hidden;
    color: #e0e0e0;
    min-height: 100vh;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    height: 100vh;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    z-index: -1;
    overflow: hidden;
}

.bg-iframe {
    position: fixed;
    /* ekrana sabitle */
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: none;
    z-index: -1;
    /* tüm içerikten arkada kalsın */
    pointer-events: none;
    /* tıklamayı engelle, arka planda sadece animasyon görünür */

}

.main-container {
    min-height: 100vh;
    position: relative;
    display: flex;
    flex-direction: column;
    z-index: 1;
    /* içerik iframe’in üstünde */
}

.main-container::before {
    content: '';
    position: fixed;
    /* sabit olsun */
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(10, 15, 30, 0.75);
    /* biraz koyuluk */
    z-index: -1;
    /* içerik ile iframe arasında */
}

/* Animated background particles */
.particles {
    position: absolute;
    width: 100%;
    height: 100%;
    overflow: hidden;
    z-index: 1;
}

.particle {
    position: absolute;
    width: 2px;
    height: 2px;
    background: #00d4ff;
    border-radius: 50%;
    animation: float 6s infinite linear;
    box-shadow: 0 0 6px #00d4ff;
}

@keyframes float {
    0% {
        transform: translateY(100vh) rotate(0deg);
        opacity: 0;
    }

    10% {
        opacity: 1;
    }

    90% {
        opacity: 1;
    }

    100% {
        transform: translateY(-100px) rotate(360deg);
        opacity: 0;
    }
}

/* Header */
.header {
    position: relative;
    z-index: 10;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 5%;
    background: rgba(10, 15, 26, 0.8);
    backdrop-filter: blur(20px);
    /* arka planı bulanıklaştır (kaspersky yazısını vs kapatmak için)*/
}

.logo {
    /* color: #00e6e6;
    font-weight: bold;
    font-size: 1.5rem;  */
    text-shadow: 0 0 10px rgba(0, 230, 230, 0.5);
    display: inline-block;
}

.logo img {
    height: 40px;
    width: auto;
    display: block;
    filter: drop-shadow(0 0 10px rgba(0, 230, 230, 0.5));
}

.nav-menu {
    display: flex;
    gap: 40px;
    list-style: none;
}

.nav-menu a {
    color: #ffffff;
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
    position: relative;
    text-transform: uppercase;
    letter-spacing: 1px;
    font-size: 14px;
}

.nav-menu a:hover {
    color: #00d4ff;
    text-shadow: 0 0 10px #00d4ff;
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, #00d4ff, #0099cc);
    transition: width 0.3s ease;
}

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

/* Content */
.content-container {
    position: relative;
    z-index: 5;
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: 40px 20px;
    text-align: center;
}

.main-header {
    margin-bottom: 40px;
}

.main-title {
    font-size: 4rem;
    font-weight: bold;
    color: #ffffff;
    margin-bottom: 10px;
    text-transform: uppercase;
    letter-spacing: 3px;
    text-shadow: 0 0 20px rgba(0, 212, 255, 0.5);
}

.subtitle {
    font-size: 2rem;
    color: #00d4ff;
    margin-bottom: 20px;
    font-weight: 300;
}

.description {
    font-size: 1.2rem;
    color: rgba(255, 255, 255, 0.85);
    max-width: 800px;
    line-height: 1.6;
    margin: 0 auto 40px auto;
    padding: 20px;
    background: rgba(10, 20, 40, 0.5);
    border-radius: 10px;
    border: 1px solid rgba(0, 230, 230, 0.2);
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.3);
}

.services {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 25px;
    margin-bottom: 40px;
    width: 100%;
    max-width: 1100px;
}

.service {
    background: rgba(15, 25, 45, 0.5);
    border-radius: 12px;
    padding: 25px;
    width: 300px;
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
    transition: all 0.3s ease;
    border: 1px solid rgba(0, 230, 230, 0.1);
    backdrop-filter: blur(8px);
}

.service:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 30px rgba(0, 230, 230, 0.15);
    border-color: rgba(0, 230, 230, 0.25);
    background: rgba(15, 25, 45, 0.6);
}

.service h3 {
    font-size: 1.6rem;
    margin-bottom: 18px;
    color: #00e6e6;
    display: flex;
    align-items: center;
    justify-content: center;
    text-shadow: 0 0 8px rgba(0, 230, 230, 0.4);
}

.service h3 i {
    margin-right: 12px;
    color: #00b3b3;
    font-size: 1.4rem;
    filter: drop-shadow(0 0 5px rgba(0, 179, 179, 0.5));
}

.service p {
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.5;
    font-size: 1rem;
}

.divider {
    border: 0;
    height: 1px;
    background: linear-gradient(to right, transparent, rgba(0, 230, 230, 0.2), transparent);
    margin: 15px 0;
}

.contact {
    text-align: center;
    margin-top: 30px;
    padding: 40px;
    background: rgba(15, 25, 45, 0.8);
    border-radius: 15px;
    width: 100%;
    max-width: 800px;
    border: 1px solid rgba(0, 230, 230, 0.2);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.4);
    backdrop-filter: blur(5px);
}

.contact h3 {
    font-size: 2.5rem;
    margin-bottom: 20px;
    color: #00e6e6;
    text-shadow: 0 0 10px rgba(0, 230, 230, 0.3);
}

.contact-btn {
    display: inline-block;
    background: linear-gradient(to right, #007f7f, #00b3b3);
    color: white;
    padding: 15px 45px;
    border-radius: 5px;
    text-decoration: none;
    font-weight: bold;
    font-size: 1.2rem;
    margin-top: 20px;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
    letter-spacing: 1px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
}

.contact-btn:hover {
    background: linear-gradient(to right, #00b3b3, #00e6e6);
    box-shadow: 0 0 20px rgba(0, 230, 230, 0.5);
    transform: translateY(-3px);
}

footer {
    text-align: center;
    padding: 25px;
    color: rgba(255, 255, 255, 0.6);
    font-size: 1rem;
    width: 100%;
    border-top: 1px solid rgba(0, 230, 230, 0.2);
    background: rgba(10, 15, 26, 0.8);
    position: relative;
    z-index: 10;
}

/* Tech lines */
.tech-lines {
    position: absolute;
    width: 100%;
    height: 100%;
    z-index: 2;
    overflow: hidden;
}

.line {
    position: absolute;
    background: linear-gradient(90deg, transparent, #00d4ff, transparent);
    height: 1px;
    animation: moveLine 3s linear infinite;
}

.line:nth-child(1) {
    top: 25%;
    width: 300px;
    animation-delay: 0s;
}

.line:nth-child(2) {
    top: 45%;
    width: 400px;
    animation-delay: 0.5s;
}

.line:nth-child(3) {
    top: 65%;
    width: 250px;
    animation-delay: 1s;
}

.line:nth-child(4) {
    top: 35%;
    width: 350px;
    animation-delay: 1.5s;
}

.line:nth-child(5) {
    top: 55%;
    width: 200px;
    animation-delay: 2s;
}

@keyframes moveLine {
    0% {
        left: -100%;
        opacity: 0;
    }

    50% {
        opacity: 1;
    }

    100% {
        left: 100%;
        opacity: 0;
    }
}

/* Responsive */
@media (max-width: 992px) {
    .main-title {
        font-size: 3rem;
    }

    .subtitle {
        font-size: 1.5rem;
    }

    .service {
        width: 100%;
        max-width: 500px;
    }
}

@media (max-width: 768px) {
    .nav-menu {
        display: none;
    }

    .main-title {
        font-size: 2.5rem;
    }

    .subtitle {
        font-size: 1.3rem;
    }

    .description {
        font-size: 1.1rem;
        padding: 15px;
    }

    .service {
        padding: 20px;
    }

    .service h3 {
        font-size: 1.5rem;
    }

    .contact {
        padding: 25px;
    }

    .contact h3 {
        font-size: 2rem;
    }
}

.nav-menu li .btn {
    background-color: #00d4ff;
    color: #fff;
    padding: 8px 15px;
    border-radius: 5px;
    font-weight: bold;
    transition: background-color 0.3s, box-shadow 0.3s;
    text-shadow: 0 0 20px rgba(0, 212, 255, 0.5);
}

.nav-menu li .btn:hover {
    background-color: #00aacc;
    text-shadow: 0 0 25px rgba(0, 212, 255, 0.7);
}



/* HAKKIMIZDA ALANI  */
.hero {
    padding: 100px 10%;
    text-align: center;
    background: rgba(10, 14, 23, 0.7);
    margin: 20px;
    border-radius: 15px;
    position: relative;
    overflow: hidden;
}

.hero h1 {
    font-size: 3.5rem;
    color: #00b7ff;
    margin-bottom: 20px;
    text-shadow: 0 0 15px rgba(0, 183, 255, 0.5);
}

.hero p {
    font-size: 1.2rem;
    color: #b0b0b0;
    max-width: 800px;
    margin: 0 auto;
}

#hakkimizda {
    position: relative;
    background: url("images/bg.jpg") center/cover no-repeat;
    z-index: 1;
    /* içerikler önde kalsın */
    padding: 100px 0;
}

#hakkimizda::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(10, 15, 30, 0.8);
    z-index: 0;
}

#hakkimizda * {
    position: relative;
    z-index: 1;
    /* içerikler overlay’in üstünde olsun */
}

.about-content {
    padding: 50px 10%;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
}

.about-text h2 {
    font-size: 2.5rem;
    color: #00b7ff;
    margin-bottom: 30px;
    position: relative;
}

.about-text h2::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 0;
    width: 80px;
    height: 3px;
    background: linear-gradient(90deg, #00b7ff, transparent);
}

.about-text p {
    font-size: 1.1rem;
    color: #c2c2c2;
    margin-bottom: 20px;
    line-height: 1.8;
}

.about-image {
    position: relative;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
    border: 1px solid #2a3b5e;
}

.about-image img {
    width: 100%;
    height: auto;
    display: block;
    transition: transform 0.5s;
}

.about-image:hover img {
    transform: scale(1.05);
}

.values {
    padding: 80px 10%;
    background: rgba(19, 26, 41, 0.5);
    border-radius: 15px;
    margin: 20px;
}

.values h2 {
    text-align: center;
    font-size: 2.5rem;
    color: #00b7ff;
    margin-bottom: 50px;
}

.values-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.value-item {
    background: linear-gradient(145deg, #151d2e, #121825);
    padding: 30px;
    border-radius: 10px;
    transition: transform 0.3s ease;
    text-align: center;
}

.value-item:hover {
    transform: translateY(-10px);
}

.value-icon {
    font-size: 2.5rem;
    color: #00b7ff;
    margin-bottom: 20px;
}

.value-item h3 {
    font-size: 1.5rem;
    color: #00b7ff;
    margin-bottom: 15px;
}

.value-item p {
    color: #a0b3d0;
}

.team {
    padding: 80px 10%;
    text-align: center;
}

.team h2 {
    font-size: 2.5rem;
    color: #00b7ff;
    margin-bottom: 50px;
}

.team-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.team-member {
    background: linear-gradient(145deg, #151d2e, #121825);
    padding: 30px;
    border-radius: 10px;
    transition: transform 0.3s ease;
}

.team-member:hover {
    transform: translateY(-10px);
}

.team-img {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    margin: 0 auto 20px;
    background: linear-gradient(145deg, #00b7ff, #0088cc);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3rem;
    color: white;
}

.team-member h3 {
    font-size: 1.5rem;
    color: #00b7ff;
}

.team-member p {
    color: #a0b3d0;
}


/* Hizmetlerimiz Aalanı */

/* Hero Section */
.hero {
    padding: 100px 10%;
    text-align: center;
    background: rgba(10, 14, 23, 0.7);
    margin: 20px;
    border-radius: 15px;
    position: relative;
    overflow: hidden;
    z-index: 10;
    /* Hero bölümünün üstte kalmasını sağla */
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100" width="100" height="100" opacity="0.05"><circle cx="50" cy="50" r="40" stroke="%2300b7ff" fill="none" /><rect x="30" y="30" width="40" height="40" stroke="%2300b7ff" fill="none" /></svg>');
    z-index: -1;
}

.hero h1 {
    font-size: 3.5rem;
    color: #00b7ff;
    margin-bottom: 20px;
    text-shadow: 0 0 15px rgba(0, 183, 255, 0.5);
}

.hero p {
    font-size: 1.2rem;
    color: #b0b0b0;
    max-width: 800px;
    margin: 0 auto;
}

/* Services Section */
.services {
    padding: 80px 5%;
    position: relative;
    z-index: 5;
    display: flex;
    justify-content: center;
}

.services-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 30px;
    max-width: 1200px;
    margin: 0 auto;
    position: relative;
    z-index: 10;
    justify-content: center;
}

.service-item {
    background: linear-gradient(145deg, #151d2e, #121825);
    padding: 40px 30px;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    border: 1px solid #2c3d5f;
    transition: all 0.3s ease;
    text-align: center;
    position: relative;
    overflow: hidden;
    flex: 0 0 calc(33.333% - 30px);
    max-width: calc(33.333% - 30px);
    box-sizing: border-box;
}


.service-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 5px;
    height: 0;
    background: linear-gradient(to bottom, #00b7ff, #0088cc);
    transition: height 0.5s ease;
}

.service-item:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
}

.service-item:hover::before {
    height: 100%;
}

.service-icon {
    font-size: 3.5rem;
    color: #00b7ff;
    margin-bottom: 25px;
    position: relative;
    z-index: 2;
}

.service-item h3 {
    font-size: 1.6rem;
    color: #00b7ff;
    margin-bottom: 20px;
    position: relative;
    z-index: 2;
}

.service-item p {
    color: #a0b3d0;
    line-height: 1.7;
    margin-bottom: 25px;
    position: relative;
    z-index: 2;
}

.service-btn {
    display: inline-block;
    background: linear-gradient(90deg, #00b7ff, #0088cc);
    color: white;
    padding: 12px 25px;
    border-radius: 5px;
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
    position: relative;
    z-index: 2;
}

.service-btn:hover {
    background: linear-gradient(90deg, #0088cc, #00b7ff);
    box-shadow: 0 0 15px rgba(0, 183, 255, 0.5);
}


/* Referanslarımız Section */
.references {
    position: relative;
    z-index: 2;        
    padding: 80px 5%;
    background-color: rgba(10, 35, 64, 0.8); 
    color: #e6f3ff;
    text-align: center;
}

/* .references .section-title {
    font-size: 2rem;
    margin-bottom: 50px;
    color: #00b7ff;
} */

.reference-item img {
    width: 100px;       
    height: 100px;      
    max-width: 100%;     
    object-fit: cover;   
    border-radius: 50%;  
    margin-bottom: 20px;
}

/* Grid Düzeni */
.references-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 30px;
    justify-content: center;
}

/* Kart Tasarımı */
.reference-item {
    background: linear-gradient(145deg, #151d2e, #121825);
    padding: 30px;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    max-width: 350px;
    flex: 1 1 300px;
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    position: relative; /* z-index gerekirse kart bazında */
    z-index: 3;
}

.reference-item:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.5);
}

.reference-item img {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    margin-bottom: 20px;
}

.reference-item h3 {
    color: #00b7ff;
    margin-bottom: 15px;
}

.reference-item p {
    color: #a0b3d0;
    font-size: 0.95rem;
    line-height: 1.6;
}


/* Map Section */
.map-section {
    position: relative;
    z-index: 5;
    margin-top: 0;
}

.footer-map {
    width: 100%;
    height: 450px; 
    margin-bottom: 0;
    position: relative;
}

.footer-map::before {
    display: none; 
}

.footer-map::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 40%;
    background: linear-gradient(to bottom, rgba(10, 15, 30, 0.4) 0%, transparent 100%);
    pointer-events: none;
    z-index: 1;
}


.footer-map iframe {
    width: 100%;
    height: 100%;
    border: 0;
    display: block;
    position: relative;
    z-index: 0;
    filter: brightness(1.1) contrast(1.1) saturate(1.2); 
    border-radius: 8px; 
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4); 
}

/* Footer */
.footer {
    background: rgba(19, 26, 41, 0.95); 
    padding: 50px 10% 20px;
    margin-top: 0; 
    position: relative;
    z-index: 5;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 30px;
}

.footer-logo img {
    height: 80px; 
    width: auto;
    display: block;
    filter: drop-shadow(0 0 10px rgba(0, 230, 230, 0.5));
    margin-bottom: 15px;
}

.footer-links h3 {
    color: #00b7ff;
    margin-bottom: 20px;
    font-size: 1.2rem;
}

.footer-links ul {
    list-style: none;
}

.footer-links li {
    margin-bottom: 10px;
    display: flex;
    align-items: center;
}

.footer-links i {
    margin-right: 10px;
    color: #00b7ff;
}

.footer-links a {
    color: #8ca0bd;
    text-decoration: none;
    transition: color 0.3s;
}

.footer-links a:hover {
    color: #00b7ff;
}

.footer-bottom {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid #2a3b5e;
    color: #5d7ea7;
}

/* Responsive Tasarım */
@media (max-width: 992px) {
    .footer-map {
        height: 350px;
    }
    
    .footer-content {
        grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
        gap: 30px;
    }
}

@media (max-width: 768px) {
    .footer-map {
        height: 300px;
    }
    
    .footer {
        padding: 40px 5% 15px;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 25px;
    }
    
    .footer-logo {
        font-size: 1.6rem;
    }
}

@media (max-width: 480px) {
    .footer-map {
        height: 250px;
    }
    
    .footer {
        padding: 30px 5% 15px;
    }
}

/* Animations */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

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

.fade-in {
    animation: fadeIn 1s ease forwards;
}

/* Arka plan için özel stiller */
.hero-bg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    z-index: -2;
    overflow: hidden;
}

.bg-iframe {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: none;
    z-index: -2;
    /* Arka plan en arkada kalmalı */
    pointer-events: none;
}

.main-container::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(10, 15, 30, 0.75);
    z-index: -1;
}

/* Responsive düzenlemeler */
@media (max-width: 992px) {
    .service-item {
        flex: 0 0 calc(50% - 30px);
        /* 2'li grid için */
        max-width: calc(50% - 30px);
    }
}

@media (max-width: 768px) {
    .service-item {
        flex: 0 0 100%;
        /* Tekli grid için */
        max-width: 100%;
    }
}