/* 
* ConfX Landing Page - Main Stylesheet
* Author: Manus AI
* Version: 1.0
*/

/* ===== GENERAL STYLES ===== */
:root {
    --primary-color: #2e6097;
    --secondary-color: #4a90e2;
    --accent-color: #f5a623;
    --dark-color: #333333;
    --light-color: #f4f8fc;
    --white-color: #ffffff;
    --gray-color: #6c757d;
    --success-color: #28a745;
    --info-color: #17a2b8;
    --warning-color: #ffc107;
    --danger-color: #dc3545;
    --transition: all 0.3s ease;
    --box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    --border-radius: 5px;
}

body {
    font-family: 'Open Sans', sans-serif;
    background-color: var(--light-color);
    color: var(--dark-color);
    line-height: 1.6;
    overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--primary-color);
}

a {
    color: var(--primary-color);
    text-decoration: none;
    transition: var(--transition);
}

a:hover {
    color: var(--secondary-color);
    text-decoration: none;
}

.btn {
    border-radius: var(--border-radius);
    padding: 0.5rem 1.5rem;
    font-weight: 600;
    transition: var(--transition);
}

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

.btn-primary:hover {
    background-color: var(--secondary-color);
    border-color: var(--secondary-color);
}

.btn-secondary {
    background-color: var(--secondary-color);
    border-color: var(--secondary-color);
}

.btn-accent {
    background-color: var(--accent-color);
    border-color: var(--accent-color);
    color: var(--white-color);
}

.btn-accent:hover {
    background-color: #e09416;
    border-color: #e09416;
    color: var(--white-color);
}

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

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

.section-title h2 {
    font-size: 2.5rem;
    margin-bottom: 15px;
    position: relative;
    display: inline-block;
}

.section-title h2:after {
    content: '';
    position: absolute;
    width: 50px;
    height: 3px;
    background-color: var(--accent-color);
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
}

.section-title p {
    color: var(--gray-color);
    max-width: 700px;
    margin: 0 auto;
}

/* ===== PRELOADER ===== */
.preloader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: var(--white-color);
    z-index: 9999;
    display: flex;
    justify-content: center;
    align-items: center;
}

.preloader .spinner {
    width: 40px;
    height: 40px;
    border: 4px solid rgba(0, 0, 0, 0.1);
    border-top-color: var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

/* ===== NAVBAR ===== */
.navbar {
    padding: 15px 0;
    transition: var(--transition);
    background-color: var(--white-color);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.navbar-brand img {
    max-height: 50px;
}

.navbar-nav .nav-item {
    margin: 0 10px;
}

.navbar-nav .nav-link {
    color: var(--dark-color);
    font-weight: 600;
    padding: 10px 0;
    position: relative;
}

.navbar-nav .nav-link:before {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: 0;
    left: 0;
    background-color: var(--primary-color);
    transition: var(--transition);
}

.navbar-nav .nav-link:hover:before,
.navbar-nav .nav-item.active .nav-link:before {
    width: 100%;
}

.navbar-nav .nav-item.active .nav-link {
    color: var(--primary-color);
}

.navbar-toggler {
    border: none;
    padding: 0;
}

.navbar-toggler:focus {
    outline: none;
    box-shadow: none;
}

.navbar-toggler-icon {
    width: 24px;
    height: 17px;
    background-image: none;
    position: relative;
    border-bottom: 1px solid var(--dark-color);
    transition: all 300ms linear;
}

.navbar-toggler-icon:after, 
.navbar-toggler-icon:before {
    width: 24px;
    position: absolute;
    height: 1px;
    background-color: var(--dark-color);
    top: 0;
    left: 0;
    content: '';
    z-index: 2;
    transition: all 300ms linear;
}

.navbar-toggler-icon:after {
    top: 8px;
}

/* ===== HERO SECTION ===== */
.hero-section {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: var(--white-color);
    padding: 150px 0 100px;
    position: relative;
    overflow: hidden;
}

.hero-section:before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('../images/pattern.png');
    opacity: 0.1;
}

.hero-content {
    position: relative;
    z-index: 1;
}

.hero-content h1 {
    font-size: 3.5rem;
    font-weight: 800;
    margin-bottom: 20px;
    color: var(--white-color);
}

.hero-content p {
    font-size: 1.2rem;
    margin-bottom: 30px;
    max-width: 600px;
}

.hero-btn {
    margin-top: 20px;
}

.hero-image {
    position: relative;
    z-index: 1;
}

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

/* ===== COUNTER SECTION ===== */
.counter-section {
    background-color: var(--white-color);
    padding: 50px 0;
    box-shadow: var(--box-shadow);
}

.counter-box {
    text-align: center;
    padding: 20px;
}

.counter-box .counter {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 10px;
}

.counter-box h5 {
    font-size: 1rem;
    color: var(--gray-color);
    margin-bottom: 0;
}

.counter-icon {
    font-size: 2.5rem;
    color: var(--accent-color);
    margin-bottom: 15px;
}

/* ===== ABOUT SECTION ===== */
.about-section {
    background-color: var(--light-color);
}

.about-image img {
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
}

.about-content h2 {
    margin-bottom: 20px;
}

.about-content p {
    margin-bottom: 20px;
}

.about-list {
    margin-top: 30px;
}

.about-list-item {
    margin-bottom: 15px;
    display: flex;
    align-items: center;
}

.about-list-item i {
    color: var(--primary-color);
    margin-right: 10px;
    font-size: 1.2rem;
}

/* ===== SPEAKERS SECTION ===== */
.speakers-section {
    background-color: var(--white-color);
}

.speaker-card {
    margin-bottom: 30px;
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--box-shadow);
    transition: var(--transition);
}

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

.speaker-image {
    position: relative;
    overflow: hidden;
}

.speaker-image img {
    width: 100%;
    transition: var(--transition);
}

.speaker-card:hover .speaker-image img {
    transform: scale(1.1);
}

.speaker-info {
    padding: 20px;
    text-align: center;
    background-color: var(--white-color);
}

.speaker-info h4 {
    margin-bottom: 5px;
}

.speaker-info p {
    color: var(--gray-color);
    margin-bottom: 15px;
}

.speaker-social {
    display: flex;
    justify-content: center;
}

.speaker-social a {
    width: 35px;
    height: 35px;
    border-radius: 50%;
    background-color: var(--light-color);
    color: var(--primary-color);
    display: flex;
    justify-content: center;
    align-items: center;
    margin: 0 5px;
    transition: var(--transition);
}

.speaker-social a:hover {
    background-color: var(--primary-color);
    color: var(--white-color);
}

/* ===== SCHEDULE SECTION ===== */
.schedule-section {
    background-color: var(--light-color);
}

.schedule-tabs {
    margin-bottom: 30px;
    display: flex;
    justify-content: center;
}

.schedule-tabs .nav-link {
    padding: 15px 30px;
    border-radius: var(--border-radius);
    margin: 0 10px;
    font-weight: 600;
    color: var(--dark-color);
    background-color: var(--white-color);
    box-shadow: var(--box-shadow);
    transition: var(--transition);
}

.schedule-tabs .nav-link.active {
    background-color: var(--primary-color);
    color: var(--white-color);
}

.schedule-item {
    background-color: var(--white-color);
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    margin-bottom: 20px;
    padding: 20px;
    display: flex;
    align-items: center;
}

.schedule-time {
    min-width: 120px;
    text-align: center;
    padding-right: 20px;
    border-right: 1px solid var(--light-color);
}

.schedule-time h3 {
    font-size: 1.2rem;
    margin-bottom: 5px;
}

.schedule-time p {
    color: var(--gray-color);
    margin-bottom: 0;
}

.schedule-content {
    padding-left: 20px;
    flex: 1;
}

.schedule-content h4 {
    margin-bottom: 10px;
}

.schedule-content p {
    margin-bottom: 15px;
}

.schedule-speaker {
    display: flex;
    align-items: center;
}

.schedule-speaker img {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    margin-right: 15px;
}

.schedule-speaker-info h5 {
    margin-bottom: 0;
    font-size: 1rem;
}

.schedule-speaker-info p {
    color: var(--gray-color);
    margin-bottom: 0;
    font-size: 0.9rem;
}

/* ===== PRICING SECTION ===== */
.pricing-section {
    background-color: var(--white-color);
}

.pricing-card {
    background-color: var(--white-color);
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    padding: 40px 20px;
    text-align: center;
    margin-bottom: 30px;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.pricing-card.featured {
    transform: scale(1.05);
    z-index: 1;
}

.pricing-card.featured:before {
    content: 'Popular';
    position: absolute;
    top: 20px;
    right: -30px;
    background-color: var(--accent-color);
    color: var(--white-color);
    padding: 5px 30px;
    transform: rotate(45deg);
    font-size: 0.8rem;
    font-weight: 600;
}

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

.pricing-card h3 {
    margin-bottom: 20px;
}

.pricing-card .price {
    font-size: 3rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 20px;
}

.pricing-card .price span {
    font-size: 1rem;
    font-weight: 400;
    color: var(--gray-color);
}

.pricing-features {
    margin-bottom: 30px;
}

.pricing-features li {
    margin-bottom: 10px;
    color: var(--gray-color);
}

.pricing-features li i {
    color: var(--success-color);
    margin-right: 5px;
}

.pricing-features li.disabled {
    color: #ccc;
    text-decoration: line-through;
}

.pricing-features li.disabled i {
    color: var(--danger-color);
}

/* ===== SPONSORS SECTION ===== */
.sponsors-section {
    background-color: var(--light-color);
}

.sponsor-item {
    text-align: center;
    margin-bottom: 30px;
}

.sponsor-item img {
    max-width: 100%;
    max-height: 100px;
    opacity: 0.7;
    transition: var(--transition);
}

.sponsor-item:hover img {
    filter: grayscale(0);
    opacity: 1;
}

/* ===== TESTIMONIALS SECTION ===== */
.testimonials-section {
    background-color: var(--white-color);
}

.testimonial-item {
    background-color: var(--white-color);
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    padding: 30px;
    margin-bottom: 30px;
}

.testimonial-content {
    position: relative;
    padding-left: 30px;
    margin-bottom: 20px;
}

.testimonial-content:before {
    content: '\201C';
    font-size: 4rem;
    position: absolute;
    left: 0;
    top: -20px;
    color: var(--primary-color);
    opacity: 0.2;
}

.testimonial-author {
    display: flex;
    align-items: center;
}

.testimonial-author img {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    margin-right: 15px;
}

.testimonial-author-info h5 {
    margin-bottom: 5px;
}

.testimonial-author-info p {
    color: var(--gray-color);
    margin-bottom: 0;
}

/* ===== CONTACT SECTION ===== */
.contact-section {
    background-color: var(--light-color);
}

.contact-info {
    margin-bottom: 30px;
}

.contact-info-item {
    display: flex;
    margin-bottom: 20px;
}

.contact-info-icon {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background-color: var(--primary-color);
    color: var(--white-color);
    display: flex;
    justify-content: center;
    align-items: center;
    margin-right: 15px;
    flex-shrink: 0;
}

.contact-info-content h5 {
    margin-bottom: 5px;
}

.contact-info-content p {
    color: var(--gray-color);
    margin-bottom: 0;
}

.contact-form {
    background-color: var(--white-color);
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    padding: 30px;
}

.contact-form .form-control {
    border-radius: var(--border-radius);
    padding: 15px;
    margin-bottom: 20px;
    border: 1px solid #eee;
}

.contact-form .form-control:focus {
    box-shadow: none;
    border-color: var(--primary-color);
}

.contact-form textarea.form-control {
    height: 120px;
}

/* ===== FOOTER ===== */
.footer {
    background-color: var(--primary-color);
    color: var(--white-color);
    padding: 80px 0 0;
}

.footer-widget {
    margin-bottom: 40px;
}

.footer-widget h4 {
    color: var(--white-color);
    margin-bottom: 25px;
    position: relative;
    padding-bottom: 10px;
}

.footer-widget h4:after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 50px;
    height: 2px;
    background-color: var(--accent-color);
}

.footer-widget p {
    margin-bottom: 20px;
}

.footer-links li {
    margin-bottom: 10px;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.7);
    transition: var(--transition);
}

.footer-links a:hover {
    color: var(--white-color);
    padding-left: 5px;
}

.footer-social {
    margin-top: 20px;
}

.footer-social a {
    width: 35px;
    height: 35px;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.1);
    color: var(--white-color);
    display: inline-flex;
    justify-content: center;
    align-items: center;
    margin-right: 10px;
    transition: var(--transition);
}

.footer-social a:hover {
    background-color: var(--accent-color);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding: 20px 0;
    text-align: center;
}

.footer-bottom p {
    margin-bottom: 0;
}

/* ===== RESPONSIVE STYLES ===== */
@media (max-width: 991px) {
    .navbar-collapse {
        background-color: var(--white-color);
        padding: 20px;
        box-shadow: var(--box-shadow);
    }
    
    .navbar-nav .nav-item {
        margin: 5px 0;
    }
    
    .hero-content {
        text-align: center;
        margin-bottom: 40px;
    }
    
    .hero-content p {
        margin-left: auto;
        margin-right: auto;
    }
    
    .pricing-card.featured {
        transform: scale(1);
    }
}

@media (max-width: 767px) {
    .section-padding {
        padding: 60px 0;
    }
    
    .section-title h2 {
        font-size: 2rem;
    }
    
    .hero-section {
        padding: 120px 0 80px;
    }
    
    .hero-content h1 {
        font-size: 2.5rem;
    }
    
    .schedule-tabs .nav-link {
        padding: 10px 15px;
        margin: 0 5px;
        font-size: 0.9rem;
    }
    
    .schedule-item {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .schedule-time {
        min-width: auto;
        border-right: none;
        border-bottom: 1px solid var(--light-color);
        padding-right: 0;
        padding-bottom: 15px;
        margin-bottom: 15px;
        width: 100%;
    }
    
    .schedule-content {
        padding-left: 0;
    }
}

@media (max-width: 575px) {
    .counter-box {
        margin-bottom: 30px;
    }
    
    .hero-content h1 {
        font-size: 2rem;
    }
    
    .hero-content p {
        font-size: 1rem;
    }
    
    .section-title h2 {
        font-size: 1.8rem;
    }
}


.de { display: block !important; }
.en { display: none !important;; }

body.english .de { display: none !important; }
body.english .en { 
	display: block !important; 

}