/* Reset ve Temel Stiller */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Raleway', sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f9f9f9;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

a {
    text-decoration: none;
    color: #007bff;
    transition: all 0.3s ease;
}

a:hover {
    color: #0056b3;
}

img {
    max-width: 100%;
    height: auto;
}

a:focus, .menu a:focus, .footer-links a:focus, .read-more:focus {
    outline: 2px solid #007bff;
    outline-offset: 2px;
    background: #e6f0ff;
}

img[alt]:not([alt=""]) {
    border: 2px solid #e0e0e0;
}

/* Header */
header {
    background-color: #fff;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
}

header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 20px;
}

.logo h1 {
    font-size: 2rem;
    font-weight: 700;
    color: #333;
}

.menu {
    display: flex;
    list-style: none;
}

.menu li {
    margin-left: 30px;
}

.menu a {
    color: #333;
    font-weight: 500;
    padding: 5px 0;
    position: relative;
}

.menu a::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    background: #007bff;
    left: 0;
    bottom: 0;
    transition: width 0.3s ease;
}

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

.hamburger {
    display: none;
    cursor: pointer;
    flex-direction: column;
    justify-content: space-between;
    height: 20px;
}

.hamburger span {
    display: block;
    width: 25px;
    height: 3px;
    background-color: #333;
    transition: all 0.3s ease;
}

/* Hero Section */
.hero {
    height: 90vh;
    background: linear-gradient(to right, #2c3e50, #4ca1af);
    color: #fff;
    display: flex;
    align-items: center;
    text-align: center;
    margin-top: 60px;
}

.hero h1 {
    font-size: 3rem;
    margin-bottom: 20px;
}

.hero p {
    font-size: 1.2rem;
    margin-bottom: 30px;
}

.btn {
    display: inline-block;
    background-color: #007bff;
    color: #fff;
    padding: 12px 30px;
    border-radius: 30px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: all 0.3s ease;
}

.btn:hover {
    background-color: #0056b3;
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
    color: #fff;
}

/* Content Sections */
.content-section {
    padding: 80px 0;
}

.alt-bg {
    background-color: #f1f5f9;
}

.section-header {
    text-align: center;
    margin-bottom: 50px;
}

.section-header h2 {
    font-size: 2.5rem;
    margin-bottom: 15px;
    color: #333;
}

.section-header p {
    color: #666;
    font-size: 1.1rem;
}

.content-wrapper {
    display: flex;
    align-items: center;
    gap: 40px;
    margin-bottom: 30px;
}

.reverse {
    flex-direction: row-reverse;
}

.text-content, .image-content {
    flex: 1;
}

.text-content p {
    margin-bottom: 20px;
    font-size: 1.05rem;
    color: #555;
}

.read-more {
    display: inline-block;
    font-weight: 600;
    position: relative;
}

.read-more::after {
    content: '→';
    margin-left: 5px;
    transition: transform 0.3s ease;
}

.read-more:hover::after {
    transform: translateX(5px);
}

/* Theories Section */
.theories-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.theory-card {
    background-color: #fff;
    border-radius: 8px;
    padding: 30px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.theory-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.15);
}

.theory-card h3 {
    font-size: 1.5rem;
    margin-bottom: 15px;
    color: #333;
}

.theory-card p {
    margin-bottom: 20px;
    color: #555;
}

/* Footer */
footer {
    background-color: #2c3e50;
    color: #fff;
    padding: 60px 0 20px;
}

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

.footer-logo h2 {
    font-size: 1.8rem;
    margin-bottom: 10px;
}

.footer-logo p {
    color: #ccc;
}

.footer-links h3, .footer-contact h3 {
    font-size: 1.3rem;
    margin-bottom: 20px;
    position: relative;
    padding-bottom: 10px;
}

.footer-links h3::after, .footer-contact h3::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: 0;
    width: 40px;
    height: 2px;
    background-color: #007bff;
}

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

.footer-links a {
    color: #ccc;
    display: block;
    padding: 5px 0;
}

.footer-links a:hover {
    color: #fff;
    transform: translateX(5px);
}

.footer-contact p {
    margin-bottom: 15px;
}

.social-links {
    display: flex;
    gap: 15px;
}

.social-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.1);
    color: #fff;
    transition: all 0.3s ease;
}

.social-icon:hover {
    background-color: #007bff;
    transform: translateY(-5px);
    color: #fff;
}

.copyright {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: #aaa;
    font-size: 0.9rem;
}

/* Hakkında Sayfası Stilleri */
.about-content {
    background: #fff;
    border-radius: 14px;
    padding: 40px 30px;
    box-shadow: 0 4px 18px rgba(0,0,0,0.07);
    font-size: 1.1rem;
    color: #444;
    line-height: 1.8;
    margin-bottom: 40px;
    display: flex;
    flex-direction: column;
    gap: 32px;
}

.about-content strong {
    color: #007bff;
}

.about-content .btn {
    display: inline-block;
    margin-top: 20px;
}

.about-visuals {
    display: flex;
    flex-direction: row;
    gap: 32px;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
}

.about-photo {
    flex: 0 0 160px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.about-photo img {
    width: 160px;
    height: 160px;
    object-fit: cover;
    border-radius: 50%;
    border: 4px solid #007bff;
    box-shadow: 0 4px 18px rgba(0,123,255,0.08);
    background: #f1f5f9;
    transition: transform 0.3s;
}

.about-photo img:hover {
    transform: scale(1.05) rotate(-2deg);
}

.about-gallery {
    display: flex;
    gap: 16px;
    flex: 1;
    justify-content: flex-start;
    align-items: center;
    flex-wrap: wrap;
}

.about-gallery img {
    width: 100px;
    height: 100px;
    object-fit: cover;
    border-radius: 12px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.07);
    background: #f9f9f9;
    transition: transform 0.3s, box-shadow 0.3s;
}

.about-gallery img:hover {
    transform: scale(1.07) rotate(1deg);
    box-shadow: 0 6px 18px rgba(0,123,255,0.13);
}

.about-text {
    margin-top: 18px;
}

@media (max-width: 900px) {
    .about-visuals {
        flex-direction: column;
        gap: 20px;
    }
    .about-photo img {
        width: 120px;
        height: 120px;
    }
    .about-gallery img {
        width: 80px;
        height: 80px;
    }
}

@media (max-width: 600px) {
    .about-content {
        padding: 18px 6px;
    }
    .about-photo img {
        width: 90px;
        height: 90px;
    }
    .about-gallery img {
        width: 60px;
        height: 60px;
    }
    .about-text {
        font-size: 1rem;
    }
}

/* Responsive Tasarım */
@media screen and (max-width: 992px) {
    .content-wrapper {
        flex-direction: column;
    }
    
    .reverse {
        flex-direction: column;
    }
    
    .text-content, .image-content {
        width: 100%;
        text-align: center;
    }
}

@media screen and (max-width: 768px) {
    .menu {
        position: fixed;
        flex-direction: column;
        background-color: #fff;
        width: 80%;
        height: 100vh;
        top: 0;
        right: -100%;
        padding-top: 60px;
        transition: right 0.3s ease;
        box-shadow: -5px 0 15px rgba(0, 0, 0, 0.1);
        align-items: center;
    }
    
    .menu.active {
        right: 0;
    }
    
    .menu li {
        margin: 15px 0;
    }
    
    .hamburger {
        display: flex;
        z-index: 1001;
    }
    
    .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);
    }
    
    .hero h1 {
        font-size: 2.5rem;
    }
    
    .section-header h2 {
        font-size: 2rem;
    }
}

@media screen and (max-width: 576px) {
    .hero h1 {
        font-size: 2rem;
    }
    
    .hero p {
        font-size: 1rem;
    }
    
    .section-header h2 {
        font-size: 1.8rem;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
    }
}