/* Genel Stiller */
:root {
    --primary-color: #6366F1;    /* Indigo */
    --secondary-color: #EC4899;  /* Pink */
    --gradient: linear-gradient(135deg, #6366F1 0%, #EC4899 100%);
    --dark-color: #1E293B;
    --light-bg: #F8FAFC;
    --font-primary: 'Space Grotesk', sans-serif;
    --font-secondary: 'Outfit', sans-serif;
}

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

body {
    font-family: var(--font-secondary);
    line-height: 1.6;
    color: var(--dark-color);
}

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

/* Top Bar */
.top-bar {
    background: #1a1a2e;
    padding: 8px 0;
    color: white;
}

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

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

.social-link {
    color: white;
    opacity: 0.8;
    transition: 0.3s;
}

.social-link:hover {
    opacity: 1;
}

/* Navbar */
.navbar {
    background: white;
    padding: 15px 0;
    border-bottom: 1px solid rgba(0,0,0,0.1);
    position: relative;
}

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

@media (max-width: 768px) {
    .nav-container {
        display: flex;
        justify-content: flex-end;
        position: relative;
    }

    .menu-toggle {
        display: flex;
        position: absolute;
        left: 20px;
        top: 50%;
        transform: translateY(-50%);
        padding: 10px;
        justify-content: center;
        align-items: center;
    }

    .logo {
        margin: 0 auto;
    }

    .logo img {
        height: 55px;
    }

    .menu-toggle span {
        width: 22px;
    }
}

.logo img {
    height: 60px;
}

.nav-menu {
    display: flex;
    list-style: none;
    margin: 0;
    padding: 0;
    gap: 8px;
}

.nav-menu li a {
    color: var(--dark-color);
    text-decoration: none;
    font-size: 0.92rem;
    font-weight: 500;
    padding: 6px 8px;
    transition: color 0.3s ease;
    white-space: nowrap;
}

.nav-menu a:hover,
.nav-menu a.active {
    color: var(--primary-color);
}

.dropdown i {
    margin-left: 5px;
}

/* Mobil menü için media query */
@media (max-width: 768px) {
    .nav-menu {
        display: none;
    }
}

/* Dropdown Menü */
.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    background: #fff;
    min-width: 200px;
    padding: 10px 0;
    border-radius: 4px;
    box-shadow: 0 2px 15px rgba(0,0,0,0.1);
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: all 0.3s ease;
}

.dropdown:hover .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-menu li {
    padding: 0;
}

.dropdown-menu a {
    padding: 8px 20px;
    font-size: 12px;
}

.dropdown-menu a:hover {
    background: var(--light-bg);
}

/* Mobil Menü Toggle */
.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 6px;
    cursor: pointer;
    padding: 5px;
    background: none;
    border: none;
    z-index: 1000;
}

.menu-toggle span {
    display: block;
    width: 25px;
    height: 2px;
    background: var(--primary-color);
    transition: all 0.3s ease;
}

/* Responsive Menü */
@media (max-width: 768px) {
    .menu-toggle {
        display: flex;
    }

    .nav-menu {
        display: flex;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: #fff;
        padding: 20px;
        flex-direction: column;
        gap: 15px;
        opacity: 0;
        visibility: hidden;
        transform: translateY(-10px);
        transition: all 0.3s ease;
        box-shadow: 0 2px 10px rgba(0,0,0,0.1);
        z-index: 999;
    }

    .nav-menu.active {
        opacity: 1;
        visibility: visible;
        transform: translateY(0);
    }

    .menu-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }

    .menu-toggle.active span:nth-child(2) {
        opacity: 0;
    }

    .menu-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(5px, -5px);
    }

    .logo img {
        height: 55px;
    }
}

/* Hero Section */
.hero {
    min-height: 80vh;
    background: var(--gradient);
}

.hero::before {
    display: none;
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
    padding: 0 20px;
}

.hero-content h1 {
    font-size: 4rem;
    font-weight: 700;
    text-shadow: none;
    margin-bottom: 20px;
}

.hero-content h2 {
    font-size: 1.5rem;
    color: #fff;
    margin-bottom: 30px;
    opacity: 0.9;
}

.hero-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    margin-top: 40px;
}

.btn {
    padding: 12px 30px;
    border-radius: 5px;
    font-size: 14px;
    font-weight: 600;
    letter-spacing: 1px;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(255,255,255,0.1);
    transform: translateX(-100%);
    transition: transform 0.3s;
}

.btn:hover::before {
    transform: translateX(0);
}

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

.btn.secondary {
    background: transparent;
    border: 2px solid #fff;
    color: #fff;
}

/* Topics Section */
.topics {
    padding: 100px 0;
}

.topics li {
    background: #fff;
    padding: 20px 30px;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.05);
    margin-bottom: 15px;
    transition: all 0.3s;
    border-left: 4px solid var(--primary-color);
    display: flex;
    align-items: center;
}

.topics li:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0,0,0,0.1);
    border-left-width: 8px;
}

/* Footer */
footer {
    background: var(--light-bg);
    padding: 20px 0;
    margin-top: 40px;
}

.footer-content {
    text-align: center;
}

.footer-text {
    color: var(--dark-color);
    opacity: 0.8;
}

.footer-text p {
    margin: 5px 0;
}

.footer-text a {
    color: var(--primary-color);
    text-decoration: none;
    transition: opacity 0.3s;
}

.footer-text a:hover {
    opacity: 0.8;
}

/* Responsive Tasarım */
@media (max-width: 768px) {
    .navbar .container {
        flex-direction: column;
    }

    .nav-links {
        margin-top: 20px;
        flex-direction: column;
        width: 100%;
        display: none;
    }

    .nav-links.active {
        display: flex;
    }

    .mobile-menu {
        display: block;
        font-size: 24px;
        cursor: pointer;
    }

    .hero-content h1 {
        font-size: 2.8rem;
    }

    .hero-buttons {
        flex-direction: column;
    }

    .btn {
        width: 100%;
        margin: 10px 0;
    }
}

/* Animasyonlar */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

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

/* Navbar için ek stiller */
.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.mobile-menu {
    display: none;
    transition: all 0.3s;
}

.mobile-menu.active i {
    transform: rotate(90deg);
}

/* Grid Section */
.grid-section {
    padding: 0;
    background: var(--light-bg);
}

.grid-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: -100px;
    position: relative;
    z-index: 2;
    padding: 0 20px;
}

.grid-item {
    background: #fff;
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 15px 40px rgba(0,0,0,0.15);
    text-align: center;
    transition: transform 0.3s;
}

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

.grid-item i {
    font-size: 40px;
    color: var(--primary-color);
    margin-bottom: 20px;
}

.grid-item h3 {
    color: var(--dark-color);
    margin-bottom: 15px;
    font-size: 1.5rem;
}

.grid-item ul {
    list-style: none;
    padding: 0;
}

.grid-item li {
    margin-bottom: 10px;
    color: var(--dark-color);
}

/* Topics Grid */
.topics-section {
    padding: 100px 0;
    background: var(--light-bg);
}

.topics-section h2 {
    text-align: center;
    margin-bottom: 50px;
    font-size: 2.5rem;
    color: var(--dark-color);
}

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

.topic-card {
    background: #fff;
    border-radius: 8px;
    padding: 25px;
    text-align: center;
    transition: all 0.3s;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
}

.topic-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0,0,0,0.15);
    background: var(--gradient);
    color: #fff;
}

.topic-card:hover i,
.topic-card:hover h3,
.topic-card:hover li {
    color: #fff;
}

.topic-card i {
    font-size: 40px;
    color: var(--primary-color);
    margin-bottom: 20px;
    transition: color 0.3s;
}

.topic-card h3 {
    margin-bottom: 15px;
    color: var(--dark-color);
    font-size: 1.3rem;
    transition: color 0.3s;
}

.topic-card ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.topic-card li {
    color: var(--dark-color);
    font-size: 0.9rem;
    margin: 8px 0;
    transition: color 0.3s;
}

/* Responsive Menü için ek stiller */
@media (max-width: 768px) {
    .mobile-menu {
        display: block;
        font-size: 24px;
        cursor: pointer;
    }

    .nav-links {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: #fff;
        padding: 20px;
        flex-direction: column;
        text-align: center;
        transform: scaleY(0);
        transform-origin: top;
        transition: transform 0.3s ease;
        box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    }

    .nav-links.active {
        transform: scaleY(1);
        display: flex;
    }

    .nav-links li {
        margin: 10px 0;
    }

    .dropdown-content {
        position: static;
        background: var(--light-bg);
        box-shadow: none;
        display: none;
    }

    .dropdown:hover .dropdown-content {
        display: block;
    }

    .grid-container {
        margin-top: -50px;
        gap: 20px;
    }

    .topics-grid {
        grid-template-columns: 1fr;
    }
}

/* Hero Slider Styles */
.hero-slider {
    height: 75vh;
    position: relative;
    overflow: hidden;
}

.hero-swiper {
    width: 100%;
    height: 100%;
}

.hero-swiper .swiper-slide {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
}

.slide-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    filter: brightness(0.3);
    transform: scale(1.1);
    transition: transform 2s ease;
}

.swiper-slide-active .slide-bg {
    transform: scale(1);
}

.slide-content {
    position: relative;
    z-index: 1;
    max-width: 1200px;
    padding: 0 20px;
    text-align: center;
    top: -20px!important;
}

.slide-content h1 {
    font-family: var(--font-primary);
    font-size: 3.8rem;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 20px;
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s ease 0.5s;
}

.slide-content h2 {
    font-family: var(--font-secondary);
    font-size: 1.3rem;
    font-weight: 400;
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s ease 0.7s;
}

.swiper-slide-active .slide-content h1,
.swiper-slide-active .slide-content h2 {
    opacity: 1;
    transform: translateY(0);
}

.hero-buttons {
    margin-top: 25px;
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s ease 0.9s;
}

.swiper-slide-active .hero-buttons {
    opacity: 1;
    transform: translateY(0);
}

/* Swiper Navigation Buttons */
.swiper-button-next,
.swiper-button-prev {
    color: #fff;
    background: rgba(255, 255, 255, 0.1);
    width: 50px;
    height: 50px;
    border-radius: 50%;
    backdrop-filter: blur(5px);
}

.swiper-button-next:after,
.swiper-button-prev:after {
    font-size: 20px;
}

.swiper-pagination-bullet {
    width: 30px;
    height: 4px;
    border-radius: 2px;
    background: rgba(255, 255, 255, 0.5);
}

.swiper-pagination-bullet-active {
    background: #fff;
}

/* Modern Button Styles */
.btn {
    padding: 15px 35px;
    border-radius: 8px;
    font-family: var(--font-primary);
    font-weight: 500;
    letter-spacing: 0.5px;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.btn i {
    margin-left: 8px;
    transition: transform 0.3s ease;
}

.btn:hover i {
    transform: translateX(5px);
}

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

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

.btn.secondary {
    background: transparent;
    border: 2px solid rgba(255, 255, 255, 0.5);
    color: #fff;
}

.btn.secondary:hover {
    border-color: #fff;
    background: rgba(255, 255, 255, 0.1);
}

/* Responsive düzenlemeler */
@media (max-width: 768px) {
    .slide-content h1 {
        font-size: 2.2rem;
    }

    .slide-content h2 {
        font-size: 1.1rem;
    }

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

    .hero-slider {
        height: 65vh;
    }
}

/* Topics Section */
.topics-section {
    padding: 100px 0;
    background: var(--light-bg);
}

.topics-slider {
    position: relative;
    padding: 20px 0;
    overflow: hidden;
}

.topics-swiper {
    overflow: hidden;
    padding: 20px 0;
}

.topics-swiper .swiper-slide {
    width: 350px !important;
    height: auto;
}

/* Topics Navigation Buttons */
.topics-next,
.topics-prev {
    color: var(--primary-color) !important;
    background: #fff !important;
    width: 40px !important;
    height: 40px !important;
    border-radius: 50%;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    top: 50% !important;
    transform: translateY(-50%) !important;
}

.topics-next:after,
.topics-prev:after {
    font-size: 18px !important;
}

.topics-pagination {
    position: relative;
    margin-top: 30px;
}

.topics-pagination .swiper-pagination-bullet {
    width: 30px;
    height: 4px;
    border-radius: 2px;
    background: rgba(99, 102, 241, 0.3);
}

.topics-pagination .swiper-pagination-bullet-active {
    background: var(--primary-color);
}

.topic-card {
    height: 100%;
    background: #fff;
    border-radius: 8px;
    padding: 25px;
    text-align: center;
    transition: all 0.3s;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    margin: 0 10px;
}

.topic-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0,0,0,0.15);
    background: var(--gradient);
    color: #fff;
}

.topic-card:hover i,
.topic-card:hover h3,
.topic-card:hover li {
    color: #fff;
}

.topic-card i {
    font-size: 40px;
    color: var(--primary-color);
    margin-bottom: 20px;
    transition: color 0.3s;
}

.topic-card h3 {
    margin-bottom: 15px;
    color: var(--dark-color);
    font-size: 1.3rem;
    transition: color 0.3s;
}

.topic-card ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.topic-card li {
    color: var(--dark-color);
    font-size: 0.9rem;
    margin: 8px 0;
    transition: color 0.3s;
}

/* About Section */
.about-section {
    padding: 80px 0;
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.03) 0%, rgba(236, 72, 153, 0.03) 100%);
}

.about-text {
    max-width: 1200px;
    margin: 0 auto;
}

.lead {
    font-size: 1.25rem;
    line-height: 1.8;
    color: var(--dark-color);
    text-align: center;
    margin-bottom: 50px;
    max-width: 900px;
    margin: 0 auto 50px;
}

.about-columns {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: start;
}

.about-col {
    background: #fff;
    padding: 35px;
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.05);
}

.about-col h3 {
    color: var(--primary-color);
    font-size: 1.5rem;
    margin-bottom: 20px;
    font-family: var(--font-primary);
}

.about-col p {
    color: var(--dark-color);
    line-height: 1.7;
    margin-bottom: 15px;
}

.about-col.highlight {
    background: var(--gradient);
    color: #fff;
}

.about-col.highlight h3 {
    color: #fff;
}

.publication-info {
    display: grid;
    gap: 20px;
}

.pub-item {
    display: flex;
    align-items: flex-start;
    gap: 15px;
}

.pub-item i {
    font-size: 24px;
    color: rgba(255,255,255,0.9);
}

.pub-item p {
    color: #fff;
    margin: 0;
    font-size: 0.95rem;
}

@media (max-width: 768px) {
    .about-columns {
        grid-template-columns: 1fr;
    }
    
    .lead {
        font-size: 1.1rem;
        padding: 0 20px;
    }
    
    .about-col {
        padding: 25px;
    }
}

/* About Widget Section */
.about-widget-section {
    padding: 30px 0;
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.03) 0%, rgba(236, 72, 153, 0.03) 100%);
}

.about-widget-section .about-widget {
    margin: 0 auto;
    max-width: 1200px;
}

@media (max-width: 768px) {
    .about-widget-section .about-widget {
        margin: 0 20px;
    }
}

/* About Widget */
.about-widget {
    background: #fff;
    border-radius: 15px;
    box-shadow: 0 15px 50px rgba(0,0,0,0.1);
    overflow: hidden;
}

.widget-content {
    padding: 40px;
}

.widget-header {
    text-align: center;
    margin-bottom: 30px;
    position: relative;
}

.widget-header h2 {
    font-family: var(--font-primary);
    font-size: 2rem;
    color: var(--dark-color);
    margin-bottom: 15px;
}

.widget-divider {
    width: 60px;
    height: 3px;
    background: var(--gradient);
    margin: 0 auto;
    border-radius: 2px;
}

.highlight-text {
    font-size: 1.2rem;
    line-height: 1.8;
    color: var(--dark-color);
    text-align: center;
    margin-bottom: 40px;
    max-width: 800px;
    margin: 0 auto 40px;
}

.info-blocks {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.info-block {
    display: flex;
    padding: 25px;
    border-radius: 12px;
    background: var(--light-bg);
    transition: all 0.3s ease;
}

.info-block:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0,0,0,0.05);
}

.info-block i {
    display: none;
}

.block-content {
    width: 100%;
}

.info-block h3 {
    font-family: var(--font-primary);
    font-size: 1.2rem;
    margin-bottom: 10px;
    color: var(--dark-color);
}

.info-block p {
    font-size: 0.95rem;
    color: var(--dark-color);
    opacity: 0.9;
    line-height: 1.6;
}

.info-block.highlight {
    background: var(--gradient);
    color: #fff;
}

.info-block.highlight i,
.info-block.highlight h3 {
    color: #fff;
}

.info-block.highlight ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.info-block.highlight li {
    color: #fff;
    margin-bottom: 10px;
    padding-left: 20px;
    position: relative;
}

.info-block.highlight li:before {
    content: '→';
    position: absolute;
    left: 0;
    color: rgba(255,255,255,0.8);
}

@media (max-width: 768px) {
    .widget-content {
        padding: 30px 20px;
    }
    
    .highlight-text {
        font-size: 1.1rem;
    }
    
    .info-block {
        padding: 20px;
    }
}

.committees-section {
    padding: 40px 0;
    background: linear-gradient(135deg, 
        #1a1a2e 0%,
        #16213e 50%,
        #1a1a2e 100%
    );
    color: #fff;
    position: relative;
    overflow: hidden;
}

.section-header {
    margin-bottom: 30px;
    text-align: center;
}

.section-header h2 {
    font-size: 2.2rem;
    font-weight: 600;
    margin-bottom: 8px;
}

.section-header p {
    font-size: 1rem;
    color: rgba(255, 255, 255, 0.8);
}

.section-header2 {
    margin-bottom: 0px;
    text-align: center;
}

.section-header2 h2 {
    font-size: 2.2rem;
    font-weight: 600;
    margin-bottom: 8px;
}

.section-header2 p {
    font-size: 1rem;
    color: rgba(255, 255, 255, 0.8);
}


.committees-grid {
    display: flex;
    flex-direction: column;
    gap: 40px;
    position: relative;
}

.committee-group {
    width: 100%;
}

.committee-members {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 25px;
}

.committee-group:first-child .committee-members {
    grid-template-columns: repeat(2, 1fr);
    max-width: 800px;
    margin: 0 auto;
}
.committee-group2 {
    width: 100%;
}

.committee-group2:first-child .committee-members {
    grid-template-columns: repeat(1, 1fr);
    max-width: 800px;
    margin: 0 auto;
}

.member-card {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: 12px;
    padding: 25px;
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.member-avatar {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 4px solid rgba(255, 255, 255, 0.1);
    box-shadow: 0 0 20px rgba(99, 102, 241, 0.2);
    overflow: hidden;
}

.member-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.member-card:hover .member-avatar {
    transform: scale(1.05);
}

.member-details {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 5px;
}

.member-details .member-title {
    font-size: 0.8rem;
    font-weight: 500;
    text-transform: uppercase;
    margin-bottom: 3px;
}

.member-details h4 {
    font-size: 1rem;
    color: #fff;
    margin: 0;
}

.member-details p {
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.7);
    margin: 0;
}

@media (max-width: 992px) {
    .committee-group:first-child .committee-members {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .committees-section {
        padding: 30px 0;
    }
    
    .section-header h2 {
        font-size: 1.8rem;
    }
    
    .committee-group h3 {
        font-size: 1.3rem;
        margin-bottom: 15px;
    }

    .committee-members {
        grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
        gap: 20px;
    }

    .member-avatar {
        width: 120px;
        height: 120px;
    }

    .member-avatar i {
        font-size: 40px;
    }

    .section-header h2 {
        font-size: 2.2rem;
    }

    .section-header p {
        font-size: 1rem;
    }

    .committee-group h3 {
        font-size: 1.8rem;
    }
}

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

.committee-group h3 {
    font-size: 1.5rem;
    margin-bottom: 20px;
    color: #fff;
    text-align: center;
}

/* Countdown Widget */
.countdown-section {
    background: var(--gradient);
    padding: 40px 0;
    color: white;
}

.countdown-widget {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 20px;
}

.countdown-item {
    text-align: center;
}

.countdown-item span {
    font-family: var(--font-primary);
    font-size: 3.5rem;
    font-weight: 700;
    display: block;
    line-height: 1;
}

.countdown-item p {
    font-size: 1rem;
    text-transform: uppercase;
    margin-top: 5px;
    opacity: 0.9;
}

.countdown-separator {
    font-size: 3rem;
    font-weight: 700;
    line-height: 1;
    margin-top: -20px;
}

@media (max-width: 768px) {
    .countdown-item span {
        font-size: 2.5rem;
    }
    
    .countdown-separator {
        font-size: 2rem;
        margin-top: -10px;
    }
}

/* Venue Styles */
.venue-profile {
    display: flex;
    align-items: center;
    gap: 40px;
    margin-top: 30px;
}

.venue-info {
    flex: 1;
}

.venue-image {
    flex-shrink: 0;
    width: 400px;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
}

.venue-image img {
    width: 100%;
    height: auto;
    display: block;
    transition: transform 0.3s ease;
}

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

@media (max-width: 992px) {
    .venue-profile {
        flex-direction: column;
    }
    
    .venue-image {
        width: 100%;
        max-width: 600px;
        margin: 0 auto;
    }
}

/* Maps Container */
.maps-container {
    margin-top: 30px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    border-radius: 10px;
    overflow: hidden;
}

.maps-container iframe {
    display: block;
}

@media (max-width: 768px) {
    .maps-container iframe {
        height: 300px;
    }
}

/* Registration Styles */
.fees-table {
    overflow-x: auto;
    margin: 30px 0;
}

.fees-table table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: 15px;
}

.fees-table th, 
.fees-table td {
    padding: 15px;
    text-align: center;
    border: 1px solid rgba(0,0,0,0.1);
}

.fees-table th {
    background: var(--primary-color);
    color: white;
}

.fees-table tr:nth-child(even) {
    background: var(--light-bg);
}

.note {
    font-size: 0.9rem;
    color: #666;
    font-style: italic;
}

.bank-details {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin: 30px 0;
}

.bank-account {
    background: var(--light-bg);
    padding: 20px;
    border-radius: 10px;
}

.bank-account h4 {
    color: var(--primary-color);
    margin-bottom: 15px;
}

.bank-account table {
    width: 100%;
}

.bank-account td {
    padding: 8px 0;
}

.bank-account td:first-child {
    font-weight: 500;
    width: 40%;
}

.payment-note {
    text-align: center;
    margin-top: 30px;
    padding: 20px;
    background: var(--light-bg);
    border-radius: 10px;
}

.payment-note a {
    color: var(--primary-color);
    font-weight: 500;
    text-decoration: none;
}

@media (max-width: 768px) {
    .fees-table {
        font-size: 0.9rem;
    }
    
    .fees-table th, 
    .fees-table td {
        padding: 10px;
    }
}

/* Timeline Styles */
.timeline {
    position: relative;
    padding: 40px 0;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    width: 2px;
    height: 100%;
    background: var(--gradient);
}

.timeline-item {
    margin-bottom: 60px;
    position: relative;
}

.timeline-marker {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 80px;
    background: var(--gradient);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.5rem;
    font-weight: 700;
    box-shadow: 0 0 20px rgba(99, 102, 241, 0.3);
}

.timeline-content {
    width: calc(50% - 50px);
    margin-left: calc(50% + 50px);
    background: white;
    padding: 30px;
    border-radius: 15px;
    box-shadow: 0 5px 25px rgba(0,0,0,0.1);
}

.timeline-item:nth-child(even) .timeline-content {
    margin-left: 0;
    margin-right: calc(50% + 50px);
}

.event-details {
    margin-top: 20px;
}

.event-gallery {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin: 20px 0;
}

.event-gallery img {
    width: 100%;
    border-radius: 10px;
    transition: transform 0.3s ease;
}

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

.proceedings {
    margin-top: 20px;
    text-align: center;
}

.btn {
    display: inline-block;
    padding: 10px 25px;
    background: var(--gradient);
    color: white;
    text-decoration: none;
    border-radius: 25px;
    transition: transform 0.3s ease;
}

.btn:hover {
    transform: translateY(-2px);
}

@media (max-width: 768px) {
    .timeline::before {
        left: 30px;
    }
    
    .timeline-marker {
        left: 30px;
        width: 60px;
        height: 60px;
        font-size: 1.2rem;
    }
    
    .timeline-content {
        width: calc(100% - 80px);
        margin-left: 80px;
    }
    
    .timeline-item:nth-child(even) .timeline-content {
        margin-left: 80px;
        margin-right: 0;
    }
} 

/* Event Info Styles */
.event-info {
    margin: 20px 0;
}

.event-info p {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 10px;
    color: var(--dark-color);
}

.event-info i {
    font-size: 1.2rem;
    color: var(--primary-color);
    width: 25px;
}

/* Popup Styles */
.popup-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.popup-overlay.active {
    opacity: 1;
    visibility: visible;
}

.popup-content {
    background: white;
    padding: 40px;
    border-radius: 15px;
    max-width: 800px;
    width: 90%;
    position: relative;
    transform: translateY(-20px);
    transition: all 0.3s ease;
}

.popup-overlay.active .popup-content {
    transform: translateY(0);
}

.popup-close {
    position: absolute;
    top: 20px;
    right: 20px;
    font-size: 1.5rem;
    color: var(--dark-color);
    cursor: pointer;
    transition: color 0.3s ease;
}

.popup-close:hover {
    color: var(--primary-color);
}

.proceedings-content h3 {
    color: var(--primary-color);
    margin-bottom: 20px;
}

.proceedings-list {
    list-style: none;
    padding: 0;
}

.proceedings-list li {
    padding: 15px;
    border-bottom: 1px solid rgba(0,0,0,0.1);
}

.proceedings-list li:last-child {
    border-bottom: none;
} 

/* Topics Grid Styles */
.topics-grid-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.topic-group {
    background: #fff;
    border-radius: 15px;
    padding: 25px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.05);
    transition: all 0.3s ease;
}

.topic-group:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
}

.topic-header {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 20px;
    padding-bottom: 15px;
    border-bottom: 2px solid var(--light-bg);
}

.topic-header i {
    font-size: 24px;
    color: var(--primary-color);
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--light-bg);
    border-radius: 10px;
}

.topic-header h3 {
    font-size: 1.2rem;
    color: var(--dark-color);
    margin: 0;
}

.topic-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.topic-list li {
    padding: 10px 0;
    padding-left: 25px;
    position: relative;
    color: var(--dark-color);
    opacity: 0.8;
    transition: all 0.3s ease;
}

.topic-list li:before {
    content: '•';
    position: absolute;
    left: 0;
    color: var(--primary-color);
    font-size: 1.2rem;
}

.topic-list li:hover {
    opacity: 1;
    transform: translateX(5px);
}

@media (max-width: 768px) {
    .topics-grid-container {
        grid-template-columns: 1fr;
    }
    
    .topic-group {
        padding: 20px;
    }
    
    .topic-header h3 {
        font-size: 1.1rem;
    }
} 

/* Speakers Page Styles */
.speakers-section {
    padding: 60px 0;
    background: #fff;
}

.page-header {
    background: var(--primary-color);
    color: #fff;
    padding: 60px 0;
    text-align: center;
}

.page-header h1 {
    font-size: 3rem;
    margin: 0;
    font-weight: 600;
}

.page-header .subtitle {
    font-size: 1.2rem;
    margin-top: 10px;
    opacity: 0.9;
}

.speaker-category {
    margin-bottom: 80px;
}

.speaker-category h2 {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 40px;
    padding-bottom: 15px;
    border-bottom: 3px solid var(--primary-color);
}

.speaker-block {
    margin-bottom: 50px;
    padding: 30px;
    background: #f8f9fa;
    border-radius: 10px;
}

.speaker-header {
    margin-bottom: 25px;
}

.speaker-header h3 {
    font-size: 1.8rem;
    color: var(--primary-color);
    margin: 0 0 10px 0;
}

.speaker-header .institution {
    font-size: 1.1rem;
    color: #666;
    margin: 0 0 5px 0;
}

.speaker-header .email {
    margin: 0;
}

.speaker-header .email a {
    color: var(--secondary-color);
    text-decoration: none;
}

.speaker-header .email a:hover {
    text-decoration: underline;
}

.talk-title {
    margin-bottom: 25px;
}

.talk-title h4 {
    font-size: 1.2rem;
    color: var(--primary-color);
    margin: 0 0 10px 0;
}

.talk-title p {
    font-size: 1.1rem;
    color: #333;
    margin: 0;
}

.biography, .abstract {
    margin-top: 25px;
}

.biography h4, .abstract h4 {
    font-size: 1.2rem;
    color: var(--primary-color);
    margin: 0 0 15px 0;
}

.bio-content, .abstract-content {
    font-size: 1rem;
    line-height: 1.6;
    color: #444;
}

@media (max-width: 768px) {
    .page-header h1 {
        font-size: 2.5rem;
    }
    
    .speaker-category h2 {
        font-size: 2rem;
    }
    
    .speaker-block {
        padding: 20px;
    }
    
    .speaker-header h3 {
        font-size: 1.5rem;
    }
} 

/* Sponsors Section */
.sponsors-section {
    padding: 60px 0;
    background-color: var(--light-bg);
}

.sponsors-section .section-title {
    text-align: center;
    margin-bottom: 40px;
    font-family: var(--font-primary);
    font-size: 2rem;
    color: var(--dark-color);
}

.sponsors-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 30px;
    align-items: center;
}

.sponsor-item {
    text-align: center;
}

.sponsor-item a {
    text-decoration: none;
    color: var(--dark-color);
    display: block;
    transition: transform 0.3s ease;
}

.sponsor-item a:hover {
    transform: translateY(-5px);
}

.sponsor-item img {
    max-height: 80px;
    width: auto;
    margin-bottom: 10px;
    filter: grayscale(100%);
    transition: filter 0.3s ease;
}

.sponsor-item:hover img {
    filter: grayscale(0%);
}

.sponsor-name {
    font-size: 0.9rem;
    margin: 0;
    color: #666;
}

@media (max-width: 768px) {
    .sponsors-grid {
        grid-template-columns: repeat(2, 1fr);
    }
} 

.sessions-hero {
    background: var(--light-bg);
    padding: 40px 0;
    text-align: left;
}

.sessions-hero h1 {
    font-family: var(--font-primary);
    font-size: 2.5rem;
    color: var(--dark-color);
    margin: 0;
    font-weight: 600;
}

.sessions-hero p {
    font-size: 1.5rem;
    color: var(--primary-color);
    margin: 10px 0 0;
    font-weight: 500;
} 

/* Navbar Styles */
.nav-menu {
    display: flex;
    list-style: none;
    margin: 0;
    padding: 0;
    gap: 8px;
}

.nav-menu li a {
    color: var(--dark-color);
    text-decoration: none;
    font-size: 0.92rem;
    font-weight: 500;
    padding: 6px 8px;
    transition: color 0.3s ease;
    white-space: nowrap;
}

/* Mobil menü için responsive ayarlar */
@media (max-width: 1200px) {
    .nav-menu li a {
        font-size: 0.88rem;
        padding: 5px 6px;
    }
    
    .nav-menu {
        gap: 5px;
    }
}

@media (max-width: 992px) {
    .nav-menu {
        display: none;
        flex-direction: column;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: white;
        padding: 15px;
        box-shadow: 0 2px 5px rgba(0,0,0,0.1);
        gap: 0;
    }

    .nav-menu.active {
        display: flex;
    }

    .nav-menu li a {
        font-size: 0.95rem;
        padding: 12px;
        display: block;
    }
} 