@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@100;200;300;400;500;600;700&display=swap');

:root {
    --primary-color: #333;
    --secondary-color: #444;
    --background-color: #f5f7fa;
    --container-bg: #ffffff;
    --text-light: #777;
    --text-dark: #222;
    --text-on-accent: #ffffff;
    --border-color: #e0e0e0;
    --hover-bg-light: #f0f0f0;
    --shadow-light: rgba(0, 0, 0, 0.1);
    --shadow-medium: rgba(0, 0, 0, 0.2);
    --shadow-strong: rgba(0, 0, 0, 0.3);

    --secondary-accent-color-r: 255;
    --secondary-accent-color-g: 102;
    --secondary-accent-color-b: 178;
    --secondary-accent-color: rgba(var(--secondary-accent-color-r), var(--secondary-accent-color-g), var(--secondary-accent-color-b), 1);
    --secondary-accent-color-90: rgba(var(--secondary-accent-color-r), var(--secondary-accent-color-g), var(--secondary-accent-color-b), 0.9);
    --secondary-accent-color-80: rgba(var(--secondary-accent-color-r), var(--secondary-accent-color-g), var(--secondary-accent-color-b), 0.8);
    --secondary-accent-color-70: rgba(var(--secondary-accent-color-r), var(--secondary-accent-color-g), var(--secondary-accent-color-b), 0.7);
    --secondary-accent-color-60: rgba(var(--secondary-accent-color-r), var(--secondary-accent-color-g), var(--secondary-accent-color-b), 0.6);
    --secondary-accent-color-50: rgba(var(--secondary-accent-color-r), var(--secondary-accent-color-g), var(--secondary-accent-color-b), 0.5);
    --secondary-accent-color-40: rgba(var(--secondary-accent-color-r), var(--secondary-accent-color-g), var(--secondary-accent-color-b), 0.4);
    --secondary-accent-color-30: rgba(var(--secondary-accent-color-r), var(--secondary-accent-color-g), var(--secondary-accent-color-b), 0.3);
    --secondary-accent-color-20: rgba(var(--secondary-accent-color-r), var(--secondary-accent-color-g), var(--secondary-accent-color-b), 0.2);
    --secondary-accent-color-10: rgba(var(--secondary-accent-color-r), var(--secondary-accent-color-g), var(--secondary-accent-color-b), 0.1);

    --accent-color-r: 15;
    --accent-color-g: 145;
    --accent-color-b: 252;

    --accent-color: rgba(var(--accent-color-r), var(--accent-color-g), var(--accent-color-b), 1);
    --accent-color-90: rgba(var(--accent-color-r), var(--accent-color-g), var(--accent-color-b), 0.9);
    --accent-color-80: rgba(var(--accent-color-r), var(--accent-color-g), var(--accent-color-b), 0.8);
    --accent-color-70: rgba(var(--accent-color-r), var(--accent-color-g), var(--accent-color-b), 0.7);
    --accent-color-60: rgba(var(--accent-color-r), var(--accent-color-g), var(--accent-color-b), 0.6);
    --accent-color-50: rgba(var(--accent-color-r), var(--accent-color-g), var(--accent-color-b), 0.5);
    --accent-color-40: rgba(var(--accent-color-r), var(--accent-color-g), var(--accent-color-b), 0.4);
    --accent-color-30: rgba(var(--accent-color-r), var(--accent-color-g), var(--accent-color-b), 0.3);
    --accent-color-20: rgba(var(--accent-color-r), var(--accent-color-g), var(--accent-color-b), 0.2);
    --accent-color-10: rgba(var(--accent-color-r), var(--accent-color-g), var(--accent-color-b), 0.1);

    --header-start-color: rgba(66, 182, 255, 255);
    --header-end-color: rgba(33, 103, 255, 255);
}

* {
    box-sizing: border-box;
}

html {
    font-family: "Poppins", "Segoe UI", Tahoma, Geneva, Verdana, sans-serif !important;
    background-color: var(--background-color);
    color: var(--text-dark);
    scroll-behavior: smooth;
    min-height: 100vh;
    max-width: 100vw;
}

body {
    font-family: "Poppins", "Segoe UI", Tahoma, Geneva, Verdana, sans-serif !important;
    background-color: var(--background-color);
    color: var(--text-dark);
    padding: 0;
    margin: 0;
    padding-top: 5rem;
    line-height: 1.6;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    max-width: 100vw;
    overflow-x: hidden;
}

.dropdown {
    border: 1px solid var(--border-color);
    margin-bottom: 15px;
    border-radius: 0.5rem;
    overflow: visible;
}

.dropdown-toggle {
    font-family: "Poppins", "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(10deg, var(--accent-color-20), var(--secondary-accent-color-20));
    color: var(--text-dark);
    cursor: pointer;
    padding: 15px;
    width: 100%;
    border: none;
    text-align: left;
    outline: none;
    font-size: 1.1em;
    font-weight: bold;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: background-color 0.3s ease, box-shadow 0.3s ease, border-radius 0.3s ease;
}

.dropdown-toggle:hover {
    box-shadow: 0 0 32px var(--shadow-light) inset;
}

.dropdown-arrow {
    margin-left: 10px;
    flex-shrink: 0;
    transition: transform 0.3s ease-out;
    width: 1em;
    height: 1em;
}

.dropdown-toggle.active .dropdown-arrow {
    transform: rotate(180deg);
}

.dropdown-content {
    padding: 0 18px;
    background-color: var(--background-color);
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease, padding 0.4s ease;
    padding-top: 0;
    padding-bottom: 0;
}

.dropdown-content img {
    max-width: 100%;
    height: auto;
    display: block;
    margin-top: 1em;
    margin-bottom: 1em;
    border-radius: 4px;
}

.dropdown-content.open {
    padding: 15px 18px;
}

.container {
    position: relative;
    background: var(--container-bg);
    max-width: 1200px;
    margin: 2rem auto;
    padding: 2rem;
    box-shadow: 0 8px 24px var(--shadow-light);
    border: 1px solid var(--border-color);
    border-radius: 1.25rem;
}

.button-primary {
    font-family: "Poppins", "Segoe UI", Tahoma, Geneva, Verdana, sans-serif !important;
    margin-top: auto;
    padding: 0.7rem 1.5rem;
    background-color: var(--accent-color);
    color: var(--text-on-accent);
    border-radius: 0.5rem;
    text-decoration: none;
    font-weight: 600;
    border: none;
    cursor: pointer;
    transition: background-color 0.3s ease, transform 0.2s ease, box-shadow 0.3s ease;
    display: inline-block;
    font-size: 1rem;
    box-shadow: 0 2px 4px var(--shadow-light);
}

.button-primary:hover,
.button-primary:focus {
    background-color: color-mix(in srgb, var(--accent-color) 85%, black);
    transform: translateY(-3px);
    box-shadow: 0 4px 8px var(--shadow-medium);
    color: var(--text-on-accent);
    text-decoration: none;
}

.button-cta {
    padding: 0.6rem 2rem;
    font-size: 1.1rem;
    background: linear-gradient(45deg, var(--secondary-accent-color), var(--accent-color), var(--secondary-accent-color));
    color: var(--text-on-accent);
    border: none;
    border-radius: 0.5rem;
    font-weight: 600;
    cursor: pointer;
    transition: transform 0.3s ease, box-shadow 0.3s ease, background-position 0.75s ease;
    box-shadow: 0 4px 10px var(--shadow-medium);
    background-size: 250% 250%;
    background-position: 100% 50%;
    text-decoration: none;
    display: inline-block;
}

.button-cta:hover,
.button-cta:focus {
    transform: translateY(-4px) scale(1.02);
    box-shadow: 0 7px 14px var(--shadow-strong);
    background-position: 0% 50%;
    color: var(--text-on-accent);
    text-decoration: none;
}

h1,
h2,
h3,
h4,
h5,
h6 {
    color: var(--text-dark);
    line-height: 1.3;
}

h1 {
    font-size: 3rem;
    text-align: center;
}

h2 {
    font-size: 2rem;
    text-align: center;
}

h3 {
    font-size: 1.5rem;
    color: var(--secondary-color);
    font-weight: normal;
}

h4 {
    font-size: 1.25rem;
    color: var(--secondary-color);
    font-weight: normal;
}

h5 {
    font-size: 1rem;
    color: var(--secondary-color);
    font-weight: normal;
}

p {
    font-size: 1rem;
    margin-bottom: 1.2em;
    color: var(--text-dark);
}

a {
    text-decoration: none;
    color: var(--accent-color);
    font-weight: 600;
    transition: color 0.3s ease;
}

a:hover,
a:focus {
    color: color-mix(in srgb, var(--accent-color) 80%, var(--text-dark));
    text-decoration: underline;
}

ul,
ol {
    margin: 1em 0 1em 1.5em;
    padding-left: 1em;
}

ul li,
ol li {
    margin-bottom: 0.5em;
}

table {
    width: 100%;
    margin-top: 1.5rem;
    border-collapse: separate;
    border-spacing: 0;
    border: 1px solid var(--border-color);
    border-radius: 0.75rem;
    overflow: hidden;
}

th,
td {
    padding: 12px 15px;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

tr:last-child td {
    border-bottom: none;
}

th {
    background-color: color-mix(in srgb, var(--secondary-color) 5%, var(--container-bg));
    font-weight: 600;
    color: var(--text-dark);
    white-space: nowrap;
}

tr {
    transition: background-color 0.3s ease;
}

tr:nth-child(even) {
    background-color: color-mix(in srgb, var(--secondary-color) 2%, var(--container-bg));
}

tr:hover {
    background-color: var(--accent-color-20);
}

.announcement-bar {
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 1000;
    position: relative;
    width: 100%;
    height: var(--announcement-height);
    line-height: var(--announcement-height);
    background-color: var(--secondary-accent-color);
    color: var(--text-on-accent);
    text-align: center;
    overflow: hidden;
    box-shadow: 0 2px 5px var(--shadow-strong);
    font-weight: 500;
    transition: height 0.3s ease;
}

.announcement-bar .close-btn {
    position: absolute;
    left: 10px;
    font-size: 24px;
    line-height: 1;
    border: none;
    background: transparent;
    cursor: pointer;
    padding: 0;
}

.nav-list {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-direction: row;
    padding: 0.75rem 1rem;
    gap: 1rem;
}

.header-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: linear-gradient(180deg,
            var(--header-start-color) 0%,
            var(--header-end-color) 100%), var(--container-bg);
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-direction: column;
    box-shadow: 0 2px 5px var(--shadow-strong);
    z-index: 1000;
    box-sizing: border-box;
    flex-wrap: wrap;
}

.header-banner {
    max-width: 200px;
    height: auto;
    max-height: 4rem;
    object-fit: contain;
    border-radius: 0.5rem;
    flex: 1 1 auto;
}

.nav-bar {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.5em;
    background-color: rgba(0, 0, 0, 0.3);
    padding: 0.5em 1em;
    border-radius: 50px;
    box-shadow: 0 2px 5px var(--shadow-medium);
    justify-content: center;
    margin-left: auto;
    transition: max-height 0.3s ease;
}

.nav-bar.hidden {
    max-height: 0;
    overflow: hidden;
    padding: 0;
    gap: 0;
}

.mobile-menu-button {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    color: #e1e1e1;
    cursor: pointer;
    padding: 0.5rem;
}

.nav-bar a.nav-button {
    text-decoration: none;
    color: #e1e1e1;
    font-weight: 700;
    padding: 0.5em 1em;
    font-size: 0.95rem;
    border: none;
    display: inline-flex;
    align-items: center;
    gap: 0.3em;
    transition: color 0.3s ease, text-shadow 0.3s ease;
    background: transparent;
}

.nav-bar a.nav-button:hover,
.nav-bar a.nav-button:focus {
    color: #fff;
    text-shadow: 0 0 10px var(--shadow-strong);
    cursor: pointer;
}

.nav-dropdown {
    position: relative;
    display: inline-block;
    width: max-content;
}

.dropdown-menu {
    position: absolute;
    top: calc(100% + 5px);
    left: 0;
    background: #fff;
    border: 1px solid #ccc;
    border-radius: 1rem;
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.1);
    opacity: 0;
    transform: translateY(-10px);
    pointer-events: none;
    transition: opacity 0.25s ease, transform 0.25s ease;
    z-index: 1000;
}

.dropdown-menu.show {
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
}

.dropdown-item {
    display: block;
    padding: 10px 15px;
}

footer {
    position: relative;
    margin-top: auto;
    width: 100%;
    background-color: var(--container-bg);
    padding: 1rem 0;
    text-align: center;
    font-size: 0.9rem;
    color: var(--text-light);
    box-shadow: 0 -2px 5px var(--shadow-light);
    border-top: 1px solid var(--border-color);
}

footer p {
    margin: 0;
    color: var(--text-light);
}

#loader {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 100%;
    height: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 2rem;
    z-index: 1001;
    visibility: hidden;
    opacity: 0;
    transition: opacity 0.3s ease, visibility 0s 0.3s;
    transform: translate(-50%, -50%);
}

#loader.show {
    visibility: visible;
    opacity: 1;
    transition: opacity 0.3s ease;
}

.spinner {
    border: 4px solid var(--border-color);
    border-top: 4px solid var(--accent-color);
    border-radius: 50%;
    width: 30px;
    height: 30px;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% {
        transform: rotate(0deg);
    }

    100% {
        transform: rotate(360deg);
    }
}
.menu-toggle {
    position: fixed;
    top: 10rem;
    left: 15px;
    z-index: 1100;
    background: #555;
    color: white;
    border: none;
    padding: 10px;
    cursor: pointer;
    border-radius: 4px;
    transition: scale 0.2s ease;
}

.menu-toggle:active {
    scale: 0.9;
}

.menu-toggle svg {
    width: 20px;
    height: 20px;
    display: block;
}

.side-menu {
    position: fixed;
    top: 0;
    left: 0;
    width: 200px;
    height: 100vh;
    background-color: var(--container-bg);
    padding: 15em 0.5em 0.5em 1em;
    font-size: 14px;
    z-index: 999;
    box-shadow: 2px 0 5px rgba(0, 0, 0, 0.1);
    transform: translateX(-100%);
    transition: transform 0.3s ease-in-out;
    overflow-y: auto;
    box-sizing: border-box;
}

.side-menu.open {
    transform: translateX(0);
}

.side-menu h3 {
    margin-top: 0;
    font-size: 16px;
    border-bottom: 1px solid #ccc;
    padding-bottom: 0.5em;
    text-align: center;
}

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

.side-menu li {
    margin-bottom: 8px;
}

.side-menu a {
    display: block;
    padding: 4px 0;
}

.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    margin: -1px;
    padding: 0;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    border: 0;
}

@media (max-width: 768px) {
    body {
        padding-top: 15vh;
    }
    
    body.has-announcement .menu-toggle {
        top: 8em;
    }

    .menu-toggle {
        top: 1em;
        left: 10px;
        z-index: 1002;
    }

    .side-menu {
        z-index: 1001;
        width: 50%;
    }

    .container {
        margin: 1rem;
        padding: 1.5rem;
        border-radius: 0.75rem;
    }

    .nav-list {
        flex-direction: column;
        justify-content: center;
        padding: 0.5rem;
    }

    .header-banner {
        flex: 1 1 100%;
        text-align: center;
        margin-bottom: 0.25rem;
        max-width: 10rem;
    }

    .mobile-menu-button {
        display: inline-flex;
    }

    .nav-list {
        gap: 0.1rem;
    }

    .nav-bar {
        width: 100%;
        flex-direction: column;
        align-items: flex-start;
        flex-wrap: wrap;
        border-radius: 0.5rem;
        padding: 0;
        max-height: 0;
        overflow: hidden;
    }

    .nav-bar.visible {
        max-height: 200px;
        padding: 0.5em 1em;
    }

    .button-cta {
        order: 3;
        flex: 1 1 100%;
        text-align: center;
        margin: 0.5rem 0 0.5rem 0;
    }

    h1 {
        font-size: 1.8rem;
    }

    h2 {
        font-size: 1.5rem;
    }

    h3 {
        font-size: 1.2rem;
    }

    th,
    td {
        padding: 10px 12px;
    }
}