/* --- Genel Stiller --- */
@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@300;400;600;700&display=swap');

:root {
    --primary-color: #0077b6;
    --secondary-color: #00b4d8;
    --dark-color: #03045e;
    --light-color: #caf0f8;
    --text-color: #333;
    --background-color: #fdfdfd;
    --box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

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

body {
    font-family: 'Poppins', sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--background-color);
}

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 20px;
}

h2 {
    text-align: center;
    margin-bottom: 2rem;
    font-size: 2.5rem;
    color: var(--dark-color);
}

section {
    padding: 4rem 0;
}

.btn {
    display: inline-block;
    padding: 12px 28px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
}

.btn-primary {
    background-color: var(--primary-color);
    color: #fff;
}

.btn-primary:hover {
    background-color: var(--secondary-color);
    transform: translateY(-2px);
}

/* --- Navbar --- */
.navbar {
    background-color: #fff;
    box-shadow: var(--box-shadow);
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 1000;
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--dark-color);
    text-decoration: none;
}

.nav-links {
    display: flex;
    list-style: none;
}

.nav-links li a {
    color: var(--text-color);
    text-decoration: none;
    padding: 0 1rem;
    font-weight: 600;
    transition: color 0.3s ease;
}

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

.hamburger {
    display: none;
    cursor: pointer;
}

.hamburger span {
    display: block;
    width: 25px;
    height: 3px;
    margin: 5px 0;
    background-color: var(--dark-color);
    transition: all 0.3s ease;
}

/* --- Hero Section --- */
.hero-section {
    background: linear-gradient(rgba(0, 119, 182, 0.8), rgba(3, 4, 94, 0.8)), url('https://picsum.photos/seed/technology/1200/800') no-repeat center center/cover;
    color: #fff;
    height: 90vh;
    display: flex;
    justify-content: center;
    align-items: center;
    text-align: center;
}

.hero-section h1 {
    font-size: 3.5rem;
    margin-bottom: 1rem;
}

.hero-section p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
}

/* --- Services Section --- */
.services-section {
    background-color: var(--light-color);
}

.service-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.card {
    background-color: #fff;
    padding: 2rem;
    text-align: center;
    border-radius: 10px;
    box-shadow: var(--box-shadow);
    transition: transform 0.3s ease;
}

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

.card i {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.card h3 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
    color: var(--dark-color);
}

/* --- About Section --- */
.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
}

.about-image img {
    width: 100%;
    border-radius: 10px;
    box-shadow: var(--box-shadow);
}

.about-text h2 {
    text-align: left;
}

/* --- Contact Section --- */
.contact-section {
    background-color: var(--light-color);
}

.contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 3rem;
    align-items: center;
}

.contact-info h3 {
    font-size: 1.8rem;
    color: var(--dark-color);
    margin-bottom: 1.5rem;
}

.contact-info p {
    font-size: 1.1rem;
    margin-bottom: 1rem;
    display: flex;
    align-items: flex-start;
}

.contact-info i {
    color: var(--primary-color);
    font-size: 1.5rem;
    margin-right: 1rem;
    margin-top: 5px;
}

.contact-info a {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
}

.contact-info a:hover {
    text-decoration: underline;
}

.contact-map iframe {
    width: 100%;
    height: 350px;
    border: 0;
    border-radius: 10px;
    box-shadow: var(--box-shadow);
}

/* --- Footer --- */
.footer {
    background-color: var(--dark-color);
    color: #fff;
    text-align: center;
    padding: 2rem 0;
}

/* --- Slider --- */
.slider-container {
    position: relative;
    width: 100%;
    max-width: 900px;
    margin: 0 auto;
    overflow: hidden;
    border-radius: 16px;
    box-shadow: var(--box-shadow);
}
.slider {
    display: flex;
    transition: transform 0.6s cubic-bezier(0.4,0,0.2,1);
}
.slide {
    min-width: 100%;
    transition: opacity 0.6s;
    opacity: 0;
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background: rgba(0,119,182,0.3);
}
.slide.active {
    opacity: 1;
    position: relative;
    z-index: 2;
}
.slide img {
    width: 100%;
    height: 60vh;
    object-fit: cover;
    border-radius: 16px 16px 0 0;
}
.slide-caption {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    background: rgba(3,4,94,0.7);
    color: #fff;
    padding: 24px 32px;
    border-radius: 12px;
    box-shadow: var(--box-shadow);
    text-align: center;
}
.slider-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(0,119,182,0.7);
    color: #fff;
    border: none;
    border-radius: 50%;
    width: 48px;
    height: 48px;
    font-size: 1.5rem;
    cursor: pointer;
    z-index: 10;
    transition: background 0.2s;
}
.slider-btn:hover {
    background: var(--secondary-color);
}
.slider-btn.prev {
    left: 16px;
}
.slider-btn.next {
    right: 16px;
}
@media (max-width: 768px) {
    .slide img {
        height: 35vh;
    }
    .slide-caption {
        padding: 12px 10px;
        font-size: 0.95rem;
    }
    .slider-btn {
        width: 36px;
        height: 36px;
        font-size: 1.1rem;
    }
}

/* --- Responsive --- */
@media (max-width: 768px) {
    .nav-links {
        position: fixed;
        top: 80px;
        right: -100%;
        width: 100%;
        height: calc(100vh - 80px);
        background-color: #fff;
        flex-direction: column;
        align-items: center;
        padding-top: 2rem;
        transition: right 0.4s ease-in-out;
    }

    .nav-links.active {
        right: 0;
    }

    .nav-links li {
        margin: 1rem 0;
    }

    .hamburger {
        display: block;
    }

    .hamburger.active span:nth-child(1) {
        transform: translateY(8px) rotate(45deg);
    }
    .hamburger.active span:nth-child(2) {
        opacity: 0;
    }
    .hamburger.active span:nth-child(3) {
        transform: translateY(-8px) rotate(-45deg);
    }

    .about-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .about-text h2 {
        text-align: center;
    }
}