:root {
    --primary-color: #3f8686;
    --primary-dark: #03212f;
    --text-light: #ffffff;
    --text-dark: #435454;
    --text-muted: rgba(0, 0, 0, 0.57);
    --background-light: #fffefe;
    --card-bg: #fcfcfc;
    --card-border: #3f8686;
}

body {
    margin: 0;
    font-family: 'Poppins', sans-serif;
    background-color: var(--background-light);
    color: var(--text-dark);
}

.container {
    max-width: 1440px;
    margin-left: auto;
    margin-right: auto;
    padding-left: 40px;
    padding-right: 40px;
}

a {
    text-decoration: none;
    color: inherit;
}

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

h1, h2, h3, h4, h5, h6, p {
    margin: 0;
}

@media (max-width: 768px) {
    .container {
        padding-left: 20px;
        padding-right: 20px;
    }
}


.site-header {
    background: linear-gradient(154deg, #307b7b 0%, #1f4646 258.06%);
    color: var(--text-light);
    padding: 19px 0;
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 7px;
}

.logo-img {
    width: 77px;
    height: 80px;
}

.logo-text {
    font-family: 'Zen Antique Soft', serif;
    font-size: 23.7px;
}

.main-nav ul {
    display: flex;
    gap: 33px;
}

.main-nav a {
    font-size: 19.86px;
    font-weight: 600;
}

.user-profile {
    display: flex;
    align-items: center;
    gap: 12px;
}

.user-info {
    text-align: right;
}

.user-name {
    font-size: 20px;
    font-weight: 500;
    line-height: 1;
}

.user-role {
    font-size: 16px;
    font-weight: 400;
}

.user-avatar {
    width: 61px;
    height: 61px;
    border-radius: 50%;
}

.user-dropdown {
    width: 34px;
    height: 34px;
}

@media (max-width: 1200px) {
    .main-nav {
        display: none; /* Simple hide for tablet, real implementation would use a hamburger menu */
    }
}

@media (max-width: 768px) {
    .header-container {
        flex-wrap: wrap;
    }
    .user-profile {
        display: none; /* Hide user profile on mobile for simplicity */
    }
}

.hero-section {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    height: 349px; /* (25362+462) - (25167+213) = 444, but visual is smaller */
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
}

.hero-bg-top {
    position: absolute;
    background-color: #3f8686;
    border-radius: 27px;
    width: 108%; /* to match visual overflow */
    height: 213px;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
}

.hero-bg-bottom {
    position: absolute;
    background: linear-gradient(360deg, rgba(217, 236, 236, 0.14) 0%, rgba(63, 134, 134, 0.34) 101.33%);
    box-shadow: 0px -19px 62.8px 4px rgba(0, 0, 0, 0.25);
    border-radius: 27px;
    width: 108%; /* to match visual overflow */
    height: 462px;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
}

.hero-title {
    color: var(--text-light);
    font-size: 65px;
    font-weight: 700;
    text-align: center;
}

@media (max-width: 768px) {
    .hero-section {
        height: 250px;
    }
    .hero-title {
        font-size: 48px;
    }
}



.events-section {
    padding: 131px 0 185px;
}

.section-title {
    text-align: center;
    margin-bottom: 80px;
}

.section-title h2 {
    color: #275e5e;
    font-size: 48px;
    font-weight: 700;
    margin-bottom: 40px;
}

.section-title p {
    color: #296363;
    font-size: 24px;
    max-width: 930px;
    margin: 0 auto;
}

.events-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 91px 132px;
}

.event-card {
    background-color: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 15px;
    box-shadow: 0px 2px 5px 0px rgba(0, 0, 0, 0.25);
    padding: 19px 26px 32px;
}

.card-tag {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 5px 15px;
    border-radius: 10px;
    color: var(--text-light);
    font-size: 15px;
    font-weight: 600;
    margin-bottom: 19px;
}
.card-tag.offline { background-color: var(--primary-color); }
.card-tag.online { background-color: #60cece; }
.card-tag img { width: 20px; height: 20px; }

.event-card h3 {
    font-size: 32px;
    font-weight: 600;
    color: var(--text-dark);
    text-align: center;
    margin-bottom: 32px;
}

.card-details {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-bottom: 36px;
}

.detail-item {
    display: flex;
    align-items: center;
    gap: 20px;
}
.detail-item img {
    width: 40px;
    height: 40px;
}
.detail-item p {
    font-size: 24px;
    color: var(--text-muted);
}
.detail-item .time-info {
    font-size: 16px;
    color: rgba(0, 0, 0, 0.68);
}

.btn-description {
    display: block;
    background-color: rgba(63, 134, 134, 0.69);
    border-radius: 10px;
    padding: 10px;
    text-align: center;
    color: var(--text-light);
    font-size: 24px;
    font-weight: 400;
    transition: background-color 0.3s;
}
.btn-description:hover {
    background-color: var(--primary-color);
}

@media (max-width: 1200px) {
    .events-grid {
        grid-template-columns: 1fr;
        gap: 60px;
    }
}

@media (max-width: 768px) {
    .events-section {
        padding: 60px 0;
    }
    .section-title h2 {
        font-size: 32px;
        margin-bottom: 20px;
    }
    .section-title p {
        font-size: 18px;
    }
    .event-card h3 {
        font-size: 24px;
    }
    .detail-item p {
        font-size: 18px;
    }
}



.site-footer {
    background-color: var(--primary-dark);
    color: var(--text-light);
    padding-top: 62px;
    padding-bottom: 28px;
    border-radius: 27px 27px 0 0;
    margin-top: -27px; /* To overlap with the section above slightly */
    position: relative;
    z-index: 5;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    margin-bottom: 76px;
}

.footer-contact, .footer-social {
    flex: 1;
}

.footer-contact {
    max-width: 522px;
}

.footer-social {
    max-width: 200px; /* Adjusted for content */
}

.footer-content h4 {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 29px;
}

.footer-logo {
    width: 129px;
    height: 133px;
    margin-bottom: 10px;
}

.address {
    font-size: 20px;
    font-weight: 400;
    line-height: 1.5;
}

.social-icons {
    display: flex;
    gap: 23px;
}

.social-icons img {
    width: 48px;
    height: 48px;
}

.footer-divider {
    border: none;
    height: 2px;
    background-color: rgba(255, 255, 255, 0.7);
    margin-bottom: 22px;
}

.footer-copyright {
    text-align: center;
    font-size: 16px;
    font-weight: 400;
}

@media (max-width: 768px) {
    .footer-content {
        flex-direction: column;
        gap: 40px;
        margin-bottom: 40px;
    }
    .footer-contact, .footer-social {
        max-width: 100%;
    }
}

.main-nav a {
  color: #ffffff;
  font-weight: 500;
  position: relative;
  transition: all 0.25s ease;
}

.main-nav a:hover {
  color: #7fdad1; /* toska hover */
}

.main-nav a.active {
    color: #7fdad1; /* toska AQUARA */
    font-weight: 700;
}

.main-nav a.active::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: -8px;
    width: 100%;
    height: 3px;
    background: linear-gradient(
        90deg,
        #2fb8ac,
        #7fdad1
    );
    border-radius: 2px;
}