:root {
	--dark-blue: #061132;
	--orange: #e63b10;
	--light-orange: #ef7800;
	--off-white: #F4F4F9;
	--text-dark: #212529;
	--text-light: #F8F9FA;
	--gray: #ced4da;
	--shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
	--border-radius: 12px;
}

html,body{
	scroll-behavior: smooth;
}
body {
	font-family: 'Rubik', sans-serif;
	background-color: var(--off-white);
	color: var(--text-dark);
}

h1, h2, h3, h4, h5, h6 {
	font-weight: 700;
	color: var(--dark-blue);
}

header picture img{ border-bottom:12px solid var(--light-orange);}

.section-padding {
	padding: 80px 0;
}

.section-title {
	margin-bottom: 50px;
}

.section-title::after {
	content: '';
	display: block;
	width: 60px;
	height: 4px;
	background: var(--orange);
	margin: 15px auto 0;
	border-radius: 2px;
}

.main-navbar {
	background-color: rgba(28, 37, 65, 0.95); /* Yarı saydam koyu mavi */
	backdrop-filter: blur(10px);
	-webkit-backdrop-filter: blur(10px); /* Safari için eklendi */
	border-bottom: 1px solid rgba(255, 255, 255, 0.1);
	transition: all 0.3s ease;
}
.navbar-brand {
	font-weight: 700;
	color: var(--text-light) !important;
}
.main-navbar .nav-link {
	color: var(--gray) !important;
	font-weight: 500;
	transition: all 0.3s ease;
}
.main-navbar .nav-link:hover, .main-navbar .nav-link.active {
	color: var(--text-light) !important;
	transform: translateY(-2px);
}
.navbar-toggler {
	border-color: rgba(255, 255, 255, 0.2);
}
.navbar-toggler-icon {
	background-image: url("data:image/svg+xml;charset=utf8,%3Csvg viewBox='0 0 30 30' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath stroke='rgba(255, 255, 255, 0.8)' stroke-width='2' stroke-linecap='round' stroke-miterlimit='10' d='M4 7h22M4 15h22M4 23h22'/%3E%3C/svg%3E");
}

#hero-banner {
	line-height: 0;
	background-color: #f1f1f1;
}

.action-strip {
	background-color: var(--dark-blue);
	padding: 20px 0;
	box-shadow: 0 4px 10px rgba(0,0,0,0.1);
}

.btn-inactive {
	background-color: transparent;
	color: var(--gray);
	border: 2px dashed var(--gray);
	padding: 12px 30px;
	font-weight: 500;
	border-radius: 50px;
	transition: all 0.3s ease;
	cursor: not-allowed;
}
.btn-inactive:hover {
	color: var(--text-light);
	border-color: var(--text-light);
}

.btn-custom {
	background: linear-gradient(45deg, var(--orange), var(--light-orange));
	color: var(--text-light);
	border: none;
	padding: 12px 30px;
	font-weight: 500;
	border-radius: 50px;
	box-shadow: 0 4px 15px rgba(230, 59, 16, 0.4); /* Renk turuncuya güncellendi */
	transition: all 0.3s ease;
}
.btn-custom:hover {
	color: var(--text-light);
	transform: translateY(-3px);
	box-shadow: 0 7px 20px rgba(230, 59, 16, 0.6); /* Renk turuncuya güncellendi */
}

#program {
	background-color: #ffffff;
}
.program-nav .nav-link {
	border: none;
	border-radius: 50px;
	padding: 10px 30px;
	margin: 0 5px;
	background-color: var(--off-white);
	color: var(--dark-blue);
	font-weight: 500;
	transition: all 0.3s ease;
}
.program-nav .nav-link.active {
	background: var(--orange);
	color: var(--text-light);
	box-shadow: 0 4px 15px rgba(230, 59, 16, 0.4); /* Renk turuncuya güncellendi */
}
.program-nav .nav-link:hover:not(.active) {
	background-color: #e2e6ea;
}
.placeholder-program {
	background-color: #ffffff;
	border: 2px dashed var(--gray);
	border-radius: var(--border-radius);
	padding: 60px 40px;
	text-align: center;
	transition: all 0.3s ease;
}
.placeholder-program i {
	font-size: 3rem;
	color: var(--orange);
	margin-bottom: 20px;
}
.placeholder-program h4 {
	font-weight: 500;
	color: var(--dark-blue);
}
.placeholder-program p {
	max-width: 500px;
	margin: 10px auto 0;
	color: #6c757d;
}
.timeline {
	position: relative;
	max-width: 900px;
	margin: 0 auto;
}
.timeline::after {
	content: '';
	position: absolute;
	width: 3px;
	background-color: var(--off-white);
	border-radius: 3px;
	top: 0;
	bottom: 0;
	left: 50%;
	margin-left: -1.5px;
}

.timeline-item {
	padding: 10px 40px;
	position: relative;
	width: 50%;
}
.timeline-item::after {
	content: '';
	position: absolute;
	width: 20px;
	height: 20px;
	right: -10px;
	background-color: white;
	border: 4px solid var(--orange);
	top: 25px;
	border-radius: 50%;
	z-index: 1;
}
.timeline-item.left {
	left: 0;
}
.timeline-item.right {
	left: 50%;
}
.timeline-item.right::after {
	left: -10px;
}

.timeline-content {
	padding: 25px;
	background-color: white;
	position: relative;
	border-radius: var(--border-radius);
	box-shadow: var(--shadow);
	transition: all 0.3s ease;
}
.timeline-content:hover {
	transform: scale(1.03);
}

.timeline-time {
	font-size: 1.2rem;
	font-weight: 700;
	color: var(--orange);
	margin-bottom: 10px;
}
.timeline-chair {
	font-weight: 500;
	color: var(--dark-blue);
	font-size: 1.1rem;
	margin-bottom: 15px;
}
.timeline-title {
	font-weight: 700;
	font-size: 1.3rem;
	margin-bottom: 15px;
}
.timeline-speaker {
	margin-top: 20px;
	padding-top: 15px;
	border-top: 1px solid var(--off-white);
}
.speaker-item {
	display: flex;
	align-items: center;
	margin-bottom: 10px;
}
.speaker-item i {
	margin-right: 10px;
	color: var(--light-orange);
}
.speaker-item strong {
	color: var(--dark-blue);
}
.speaker-item span {
	margin-left: 5px;
	color: #6c757d;
	font-size: 0.9em;
}

.timeline-content.special-session {
	border-left: 5px solid var(--light-orange);
}
.special-session .timeline-chair, 
.special-session .timeline-title {
	color: var(--orange);
}

.timeline-break {
	text-align: center;
	width: 100%;
	margin: 30px 0;
	position: relative;
	z-index: 2; /* Çizginin üstünde kalması için */
}
.timeline-break .break-content {
	display: inline-block;
	padding: 10px 20px;
	background-color: var(--dark-blue);
	color: var(--text-light);
	border-radius: 50px;
	font-weight: 500;
}

@media screen and (max-width: 991px) {
	.timeline::after {
		left: 31px;
	}
	.timeline-item {
		width: 100%;
		padding-left: 70px;
		padding-right: 25px;
	}
	.timeline-item.left, .timeline-item.right {
		left: 0%;
	}
	.timeline-item::after {
		left: 21px !important
	}
}

#mailing-list {
	background: var(--dark-blue);
	color: var(--text-light);
}
#mailing-list h3, #mailing-list p {
	 color: var(--text-light);
}
.subscribe-form .form-control {
	border: none;
	border-radius: 50px;
	padding: 1rem 1.5rem;
	background-color: rgba(255,255,255,0.1);
	color: var(--text-light);
}
.subscribe-form .form-control::placeholder {
	color: var(--gray);
}
.subscribe-form .form-control:focus {
	background-color: rgba(255,255,255,0.2);
	box-shadow: none;
	color: var(--text-light);
}
.subscribe-form .btn {
	border-radius: 50px !important;
}

.main-footer {
	background-color: #161d34;
	color: var(--gray);
}
.main-footer a {
	color: var(--gray);
	text-decoration: none;
	transition: color 0.3s ease;
}
.main-footer a:hover {
	color: var(--text-light);
}

#registration {
	background-color: #ffffff;
}
.registration-table {
	border-collapse: separate;
	border-spacing: 0;
	font-size: 0.95rem;
}
.table-custom-header th {
	background-color: var(--orange) !important;
	color: var(--text-light) !important;
	border-color: var(--orange) !important;
	padding: 15px;
	font-weight: 500;
	text-align: center;
	vertical-align: middle;
}
.table-custom-header th:first-child {
	text-align: left;
}
.registration-table tbody td {
	padding: 15px;
	vertical-align: middle;
	border-bottom: 1px solid var(--off-white);
}
.registration-table tbody td:not(:first-child) {
	text-align: center;
	font-weight: 500;
}
.registration-table tbody tr:last-child td {
	border-bottom: none;
}

.details-section {
	margin-top: 30px;
}
.details-section h4 {
	color: var(--dark-blue);
	font-weight: 500;
	padding-bottom: 10px;
	border-bottom: 2px solid var(--off-white);
	margin-bottom: 20px;
}
.details-list {
	list-style: none;
	padding: 0;
}
.details-list li {
	display: flex;
	align-items: flex-start;
	margin-bottom: 15px;
}
.details-list i {
	color: var(--orange);
	margin-right: 12px;
	margin-top: 4px;
}

.contact-card {
    background-color: #ffffff;
    padding: 35px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    width: 100%;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.contact-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.12);
}

.contact-card h3 {
    color: var(--orange);
    font-weight: 700;
    margin-bottom: 25px;
    padding-bottom: 15px;
    border-bottom: 2px solid var(--off-white);
}

.contact-card h4 {
    color: var(--dark-blue);
    font-weight: 500;
    margin-bottom: 20px;
}

.contact-logo img {
    max-height: 80px;
    object-fit: contain;
}

.contact-details-list {
    list-style: none;
    padding-left: 0;
    margin-top: 25px;
}

.contact-details-list li {
    display: flex;
    align-items: flex-start;
    margin-bottom: 18px;
    font-size: 0.95rem;
    color: #495057;
}

.contact-details-list li:last-child {
    margin-bottom: 0;
}

.contact-details-list i {
    color: var(--orange);
    margin-right: 15px;
    flex-shrink: 0; /* İkonun küçülmesini engeller */
}

.contact-details-list a {
    color: var(--text-dark);
    text-decoration: none;
    transition: color 0.3s ease;
}

.contact-details-list a:hover {
    color: var(--orange);
    text-decoration: underline;
}