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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: #2c3e50;
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    transition: opacity 0.3s ease;
}

/* Header Animasyonları */
header {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.98) 0%, rgba(248, 249, 250, 0.98) 100%);
    box-shadow: 0 4px 20px rgba(0,0,0,0.08);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(52, 152, 219, 0.1);
}

header.scroll-down {
    transform: translateY(-100%);
}

header.scroll-up {
    transform: translateY(0);
}

/* Bölüm Animasyonları */
.section {
    padding: 6rem 5%;
    max-width: 1200px;
    margin: 0 auto;
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease, transform 0.6s ease;
    background: linear-gradient(135deg, #ffffff 0%, #f8f9fa 100%);
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.05);
    margin-bottom: 2rem;
}

.section.animate {
    opacity: 1;
    transform: translateY(0);
}

/* Slider Animasyonları */
.swiper-slide {
    display: flex;
    justify-content: center;
    align-items: center;
    transition: transform 0.3s ease;
}

.swiper-slide-active {
    transform: scale(1.02);
}

/* Header ve Navigasyon */
nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.2rem 5%;
    max-width: 1400px;
    margin: 0 auto;
    position: relative;
}

.logo {
    display: flex;
    align-items: center;
    gap: 1rem;
    font-size: 1.5rem;
    font-weight: 600;
    color: #2c3e50;
    text-decoration: none;
    transition: all 0.3s ease;
    margin-right: 0;
    padding-left: 0;
    position: relative;
    flex: 0 0 auto;
}

.logo::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(to right, #3498db, #2c3e50);
    transition: width 0.3s ease;
}

.logo:hover::after {
    width: 100%;
}

.logo-image {
    width: 45px;
    height: 45px;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid #3498db;
    transition: all 0.3s ease;
    box-shadow: 0 2px 10px rgba(52, 152, 219, 0.2);
}

.logo:hover .logo-image {
    border-color: #2c3e50;
    transform: scale(1.05);
    box-shadow: 0 4px 15px rgba(52, 152, 219, 0.3);
}

nav ul {
    display: flex;
    list-style: none;
    margin: 0;
    padding: 0;
    gap: 2rem;
    position: absolute;
    right: 5%;
}

nav ul li {
    margin: 0;
    padding: 0;
}

nav ul li a {
    text-decoration: none;
    color: #2c3e50;
    padding: 0.5rem 1rem;
    transition: all 0.3s ease;
    font-weight: 500;
    position: relative;
    letter-spacing: 0.5px;
    white-space: nowrap;
}

nav ul li a::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(52, 152, 219, 0.1) 0%, rgba(44, 62, 80, 0.1) 100%);
    border-radius: 6px;
    opacity: 0;
    transition: all 0.3s ease;
}

nav ul li a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 2px;
    background: linear-gradient(to right, #3498db, #2c3e50);
    transition: width 0.3s ease;
    border-radius: 2px;
}

nav ul li a:hover {
    color: #3498db;
}

nav ul li a:hover::before {
    opacity: 1;
}

nav ul li a:hover::after {
    width: 80%;
}

/* Responsive Tasarım */
@media (max-width: 1024px) {
    nav {
        padding: 1.2rem 3%;
    }
    
    nav ul {
        right: 3%;
        gap: 1.5rem;
    }
    
    nav ul li a {
        padding: 0.5rem 0.8rem;
        font-size: 0.95rem;
    }
}

@media (max-width: 768px) {
    nav {
        flex-direction: column;
        padding: 1rem;
    }

    nav ul {
        position: static;
        margin-top: 1rem;
        flex-wrap: wrap;
        justify-content: center;
        gap: 0.8rem;
    }

    nav ul li {
        margin: 0;
    }

    nav ul li a {
        padding: 0.4rem 0.8rem;
        font-size: 0.9rem;
    }

    .logo {
        margin-right: 0;
    }
}

@media (max-width: 480px) {
    nav ul {
        gap: 0.5rem;
    }

    nav ul li a {
        padding: 0.3rem 0.6rem;
        font-size: 0.85rem;
    }
}

/* Ana İçerik */
main {
    margin-top: 80px;
}

h2 {
    text-align: center;
    color: #2c3e50;
    margin-bottom: 3rem;
    font-size: 2.5rem;
    font-weight: 600;
    position: relative;
    padding-bottom: 1rem;
}

h2::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 3px;
    background: linear-gradient(to right, #3498db, #2c3e50);
    border-radius: 2px;
}

/* Afişler Galerisi */
.gallery {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    padding: 1rem;
}

.gallery-item img {
    width: 100%;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
    transition: transform 0.3s ease;
}

.gallery-item img:hover {
    transform: scale(1.05);
}

/* Konuşmacılar Slider */
.speaker-card {
    background: linear-gradient(135deg, #ffffff 0%, #f8f9fa 100%);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0,0,0,0.08);
    width: 280px;
    margin: 0 auto;
    cursor: pointer;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.speaker-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0,0,0,0.15);
}

.speaker-card img {
    width: 100%;
    height: 280px;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.speaker-card:hover img {
    transform: scale(1.05);
}

.speaker-card h3 {
    padding: 0.8rem;
    color: #2c3e50;
    font-size: 1.1rem;
    text-align: center;
}

.speaker-card p {
    padding: 0 0.8rem 0.8rem;
    color: #666;
    font-size: 0.9rem;
    text-align: center;
}

/* Slider Stilleri */
.swiper {
    width: 100%;
    padding: 1rem 0;
    max-width: 1000px;
    margin: 0 auto;
}

.speakers-swiper .swiper-button-next,
.speakers-swiper .swiper-button-prev,
.sponsors-swiper .swiper-button-next,
.sponsors-swiper .swiper-button-prev {
    color: #1a1a2e;
}

.speakers-swiper .swiper-pagination-bullet-active,
.sponsors-swiper .swiper-pagination-bullet-active {
    background: #1a1a2e;
}

.speakers-swiper .swiper-pagination-bullet,
.sponsors-swiper .swiper-pagination-bullet {
    background: #c5a47e;
}

/* Konuşmacılar Grid yerine Slider */
.speakers-grid {
    display: none;
}

/* Sponsorlar Grid */
.sponsors-grid {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 2rem;
    flex-wrap: wrap;
    max-width: 1200px;
    margin: 0 auto;
    padding: 1rem;
}

.sponsor-logo {
    background: #fff;
    padding: 1.5rem;
    border-radius: 8px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    width: 280px;
    height: 160px;
    margin: 0;
    transition: transform 0.3s ease;
}

.sponsor-logo img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
}

.sponsor-logo:hover {
    transform: scale(1.05);
}

@media (max-width: 768px) {
    .sponsors-grid {
        gap: 1.5rem;
    }

    .sponsor-logo {
        width: 240px;
        height: 140px;
        padding: 1.2rem;
    }
}

/* İletişim Bölümü */
.contact-info {
    background: linear-gradient(135deg, #ffffff 0%, #f8f9fa 100%);
    border-radius: 15px;
    padding: 2rem;
    box-shadow: 0 5px 20px rgba(0,0,0,0.05);
}

.coordinators-section {
    margin-top: 2rem;
    text-align: center;
}

.coordinators-button {
    background: linear-gradient(135deg, #3498db 0%, #2980b9 100%);
    color: white;
    border: none;
    padding: 1rem 2rem;
    font-size: 1.1rem;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(52, 152, 219, 0.2);
}

.coordinators-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(52, 152, 219, 0.3);
    background: linear-gradient(135deg, #2980b9 0%, #2573a7 100%);
}

.social-links {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin-bottom: 2rem;
}

.social-links a {
    text-decoration: none;
    color: #2c3e50;
    font-size: 1.2rem;
    display: flex;
    align-items: center;
    gap: 0.8rem;
    transition: all 0.3s ease;
    padding: 0.8rem 1.5rem;
    border-radius: 8px;
    background: linear-gradient(135deg, #ffffff 0%, #f8f9fa 100%);
}

.social-links a:hover {
    color: #3498db;
    background: #e9ecef;
    transform: translateY(-2px);
}

.map {
    width: 100%;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
}

/* Footer */
footer {
    background-color: #2c3e50;
    color: #fff;
    text-align: center;
    padding: 2rem;
    margin-top: 4rem;
    position: relative;
}

footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(to right, #3498db, #2c3e50);
}

.footer-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
}

.coordinators-link {
    color: #3498db;
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
    padding: 0.5rem 1rem;
    border-radius: 4px;
    background: rgba(255, 255, 255, 0.1);
}

.coordinators-link:hover {
    color: #2980b9;
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-2px);
}

/* Koordinatörler Modal */
.coordinators-modal {
    background: #fff;
    padding: 1.5rem;
    border-radius: 12px;
    max-width: 900px;
    width: 90%;
    text-align: center;
}

.coordinators-modal h3 {
    color: #2c3e50;
    margin-bottom: 1.5rem;
    font-size: 1.6rem;
    position: relative;
    padding-bottom: 0.8rem;
}

.coordinators-modal h3::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: linear-gradient(to right, #3498db, #2c3e50);
    border-radius: 2px;
}

.coordinators-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
    text-align: left;
}

.coordinators-column h4 {
    color: #2c3e50;
    font-size: 1.1rem;
    margin-bottom: 1rem;
    padding-bottom: 0.4rem;
    border-bottom: 2px solid #3498db;
}

.coordinators-list {
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
}

.coordinators-list p {
    color: #2c3e50;
    font-size: 0.9rem;
    padding: 0.5rem;
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    border-radius: 4px;
    transition: transform 0.3s ease;
    line-height: 1.4;
}

.coordinators-list p:hover {
    transform: translateX(5px);
    background: linear-gradient(135deg, #e9ecef 0%, #dee2e6 100%);
}

@media (max-width: 768px) {
    .coordinators-button {
        padding: 0.8rem 1.5rem;
        font-size: 1rem;
    }

    .coordinators-modal {
        padding: 1rem;
    }

    .coordinators-modal h3 {
        font-size: 1.4rem;
        margin-bottom: 1.2rem;
    }

    .coordinators-grid {
        grid-template-columns: 1fr;
        gap: 1.2rem;
    }

    .coordinators-column h4 {
        font-size: 1rem;
        margin-bottom: 0.8rem;
    }

    .coordinators-list p {
        font-size: 0.85rem;
        padding: 0.4rem;
    }
}

/* Katkıda Bulunanlar Grid */
.contributors-grid {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 2rem;
    flex-wrap: wrap;
    max-width: 1200px;
    margin: 0 auto;
    padding: 1rem;
}

.contributor-logo {
    background: #fff;
    padding: 1.5rem;
    border-radius: 8px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    width: 280px;
    height: 160px;
    margin: 0;
    transition: all 0.3s ease;
    text-decoration: none;
    cursor: pointer;
}

.contributor-logo:hover {
    transform: scale(1.05);
    box-shadow: 0 6px 12px rgba(0,0,0,0.15);
}

.contributor-logo img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
}

/* Responsive Tasarım */
@media (max-width: 768px) {
    nav {
        padding: 1rem;
    }

    nav ul {
        margin-top: 1rem;
        flex-wrap: wrap;
        justify-content: center;
        gap: 1rem;
    }

    nav ul li {
        margin: 0.3rem;
    }

    nav ul li a {
        padding: 0.4rem 0.8rem;
        font-size: 0.9rem;
    }

    .section {
        padding: 4rem 1rem;
        margin-bottom: 1rem;
    }

    h2 {
        font-size: 2rem;
        margin-bottom: 2rem;
    }

    .social-links {
        flex-direction: column;
        align-items: center;
    }

    .swiper-button-next,
    .swiper-button-prev {
        display: none;
    }

    .swiper {
        padding: 0.5rem 0;
    }

    .speaker-card {
        width: 220px;
    }

    .speaker-card img {
        height: 220px;
    }

    .speaker-card h3 {
        font-size: 0.9rem;
        padding: 0.6rem;
    }

    .speaker-card p {
        font-size: 0.8rem;
        padding: 0 0.6rem 0.6rem;
    }

    .gallery {
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
        gap: 1.5rem;
    }

    .sponsor-logo,
    .contributor-logo {
        width: 240px;
        height: 140px;
        padding: 1.2rem;
    }

    .logo-image {
        width: 35px;
        height: 35px;
    }
}

/* Hero Section */
.hero {
    height: 100vh;
    width: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    position: relative;
    overflow: hidden;
}

.hero-image {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    z-index: -1;
}

.hero-content {
    text-align: center;
    color: #fff;
    z-index: 1;
    padding: 2rem;
}

.hero-logo {
    max-width: 300px;
    margin-bottom: 2rem;
}

/* Responsive Tasarım */
@media (max-width: 768px) {
    .hero-logo {
        max-width: 200px;
    }

    .sponsors-grid {
        gap: 1.5rem;
    }

    .sponsor-logo {
        width: 240px;
        height: 140px;
        padding: 1.2rem;
    }
}

/* Hakkımızda Bölümü */
#hakkimizda {
    position: relative;
    background: linear-gradient(135deg, #ffffff 0%, #f8f9fa 100%);
    max-width: 1000px;
    margin: 0 auto;
}

#hakkimizda::before {
    content: '';
    position: absolute;
    top: 10px;
    left: 10px;
    right: 10px;
    bottom: 10px;
    border: 1px solid rgba(52, 152, 219, 0.2);
    border-radius: 8px;
    pointer-events: none;
}

#hakkimizda .content {
    position: relative;
    padding: 2.5rem;
    background: #ffffff;
}

#hakkimizda .content p {
    font-size: 1.1rem;
    line-height: 1.8;
    color: #2c3e50;
    text-align: justify;
    margin-bottom: 1.5rem;
    position: relative;
}

#hakkimizda .content p:last-child {
    margin-bottom: 0;
}

/* Responsive Tasarım */
@media (max-width: 768px) {
    #hakkimizda {
        max-width: 100%;
    }

    #hakkimizda .content {
        padding: 1.5rem;
    }

    #hakkimizda .content p {
        font-size: 1rem;
    }
}

/* Modal Styles */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.9);
    z-index: 2000;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.modal.active {
    display: flex;
    justify-content: center;
    align-items: center;
    opacity: 1;
}

.modal-content {
    position: relative;
    max-width: 90%;
    max-height: 90vh;
    margin: auto;
    animation: modalZoom 0.3s ease;
}

.modal-content img {
    max-width: 100%;
    max-height: 90vh;
    object-fit: contain;
    border-radius: 8px;
    box-shadow: 0 5px 25px rgba(0,0,0,0.3);
}

.modal-close {
    position: absolute;
    top: -40px;
    right: 0;
    color: #fff;
    font-size: 30px;
    font-weight: bold;
    cursor: pointer;
    transition: transform 0.3s ease;
}

.modal-close:hover {
    transform: scale(1.1);
}

.modal-caption {
    position: absolute;
    bottom: -40px;
    left: 0;
    width: 100%;
    text-align: center;
    color: #fff;
    font-size: 1.2rem;
    padding: 10px;
}

@keyframes modalZoom {
    from {
        transform: scale(0.8);
        opacity: 0;
    }
    to {
        transform: scale(1);
        opacity: 1;
    }
}

/* Responsive Modal */
@media (max-width: 768px) {
    .modal-content {
        max-width: 95%;
    }
    
    .modal-close {
        top: -35px;
        font-size: 25px;
    }
    
    .modal-caption {
        bottom: -35px;
        font-size: 1rem;
    }
}

/* Program Akışı Bölümü */
.program-container {
    max-width: 600px;
    margin: 0 auto;
    padding: 2rem;
}

.program-content {
    background: linear-gradient(135deg, #ffffff 0%, #f8f9fa 100%);
    border-radius: 15px;
    padding: 1.5rem;
    box-shadow: 0 5px 20px rgba(0,0,0,0.05);
    max-width: 500px;
    margin: 0 auto;
}

.program-content:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0,0,0,0.1);
}

.program-image {
    width: 100%;
    height: auto;
    border-radius: 10px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
    transition: transform 0.3s ease;
    max-width: 400px;
    display: block;
    margin: 0 auto;
}

.program-image:hover {
    transform: scale(1.02);
}

/* Responsive Tasarım */
@media (max-width: 768px) {
    .program-container {
        padding: 1rem;
        max-width: 95vw;
    }
    
    .program-content {
        padding: 1rem;
        max-width: 98vw;
    }
    
    .program-image {
        border-radius: 8px;
        max-width: 95vw;
    }
}