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

:root {
    --bg-color-start: #1a2a40;
    --bg-color-end: #304058;
    --glass-bg: rgba(255, 255, 255, 0.08);
    --glass-border: rgba(255, 255, 255, 0.15);
    --text-color: #d0d0d0;
    --heading-color: #f0f0f0;
    --shadow-color: rgba(0, 0, 0, 0.4);
    --highlight-color: #88c0d0;
    --transition-speed: 0.3s ease;
}

body {
    font-family: 'Poppins', sans-serif;
    margin: 0;
    padding: 0;
    color: var(--text-color);
    line-height: 1.7;
    overflow-x: hidden;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    background: linear-gradient(135deg, var(--bg-color-start), var(--bg-color-end));
    position: relative;
    padding-top: 70px;
}

.background-animation {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at top left, rgba(255, 255, 255, 0.05) 0%, transparent 40%),
                radial-gradient(circle at bottom right, rgba(255, 255, 255, 0.05) 0%, transparent 40%);
    background-size: 200% 200%;
    animation: moveBackground 25s infinite alternate ease-in-out;
    z-index: -1;
}

@keyframes moveBackground {
    0% { background-position: 0% 0%, 100% 100%; }
    100% { background-position: 100% 100%, 0% 0%; }
}

.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: rgba(48, 64, 88, 0.95);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    box-shadow: 0 2px 15px rgba(0, 0, 0, 0.3);
    z-index: 1000;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 15px 0;
}

.nav-links {
    display: flex;
    gap: 30px;
}

.nav-links a {
    color: var(--heading-color);
    text-decoration: none;
    font-weight: 600;
    font-size: 1.1em;
    padding: 5px 10px;
    border-radius: 5px;
    transition: color 0.3s ease, background-color 0.3s ease;
}

.nav-links a:hover,
.nav-links a:focus {
    color: var(--bg-color-start);
    background-color: var(--highlight-color);
    outline: none;
}

.glass-card {
    background: var(--glass-bg);
    border-radius: 18px;
    border: 1px solid var(--glass-border);
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
    box-shadow: 0 10px 40px var(--shadow-color);
    padding: 35px;
    margin: 25px auto;
    max-width: 900px;
    transition: transform 0.4s ease-out, box-shadow 0.4s ease-out;
}

.glass-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 50px rgba(0, 0, 0, 0.5);
}

.header-card {
    text-align: center;
    padding: 60px 30px;
    margin-top: 20px;
}

.header-card h1 {
    font-size: 3.8em;
    color: var(--heading-color);
    margin-bottom: 20px;
    text-shadow: 0 0 15px rgba(255, 255, 255, 0.3);
    letter-spacing: -0.02em;
}

.header-card p {
    font-size: 1.3em;
    max-width: 750px;
    margin: 0 auto;
    opacity: 0.85;
}

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

h2 {
    font-size: 2.8em;
    color: var(--heading-color);
    margin-bottom: 35px;
    text-align: center;
    border-bottom: 2px solid var(--highlight-color);
    padding-bottom: 15px;
    display: inline-block;
    width: auto;
    margin-left: auto;
    margin-right: auto;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

h3 {
    font-size: 1.8em;
    color: var(--highlight-color);
    margin-top: 30px;
    margin-bottom: 20px;
    border-left: 4px solid var(--highlight-color);
    padding-left: 15px;
}

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

li {
    margin-bottom: 12px;
    padding-left: 30px;
    position: relative;
    opacity: 0.8;
}

li::before {
    content: '→';
    color: var(--highlight-color);
    font-size: 1.3em;
    position: absolute;
    left: 0;
    top: 0;
    line-height: inherit;
}

.content-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 35px;
    margin-top: 25px;
}

.grid-item {
    background: rgba(255, 255, 255, 0.03);
    border-radius: 15px;
    padding: 25px;
    border: 1px solid rgba(255, 255, 255, 0.08);
    transition: background 0.3s ease-in-out, transform 0.2s ease-out;
}

.grid-item:hover {
    background: rgba(255, 255, 255, 0.06);
    transform: translateY(-3px);
}

.quote-box {
    text-align: center;
    margin-top: 50px;
    padding: 40px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-left: 5px solid var(--highlight-color);
}

.quote-box h3 {
    font-size: 2.2em;
    color: var(--heading-color);
    margin-bottom: 20px;
    text-shadow: 0 0 10px rgba(255, 255, 255, 0.2);
    border-left: none;
    padding-left: 0;
}

.quote-box p {
    font-style: italic;
    font-size: 1.5em;
    opacity: 0.9;
    line-height: 1.5;
}

.myths-section h2 {
    margin-bottom: 45px;
}

.myth-grid {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 30px;
}

.myth-item {
    text-align: center;
    flex: 1 1 280px;
    min-width: 280px;
    max-width: 320px;
    padding: 30px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    align-items: center;
    border-radius: 15px;
    background: rgba(0, 0, 0, 0.15);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.myth-item h3 {
    color: var(--heading-color);
    margin-top: 0;
    margin-bottom: 15px;
    font-size: 1.6em;
    border-left: none;
    padding-left: 0;
}

.myth-status {
    font-size: 2em;
    font-weight: 700;
    color: var(--highlight-color);
    text-shadow: 0 0 12px rgba(136, 192, 208, 0.6);
    background: rgba(0, 0, 0, 0.25);
    padding: 10px 25px;
    border-radius: 12px;
    display: inline-block;
    border: 1px solid var(--highlight-color);
}

#scrollToTopBtn {
    display: none;
    position: fixed;
    bottom: 30px;
    right: 30px;
    z-index: 999;
    background-color: var(--highlight-color);
    color: var(--bg-color-start);
    border: none;
    border-radius: 50%;
    padding: 15px 20px;
    font-size: 28px;
    cursor: pointer;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.4);
    transition: background-color 0.3s ease, transform 0.2s ease, opacity 0.3s ease;
}

#scrollToTopBtn:hover {
    background-color: lighten(var(--highlight-color), 10%);
    transform: translateY(-3px);
}

@media (max-width: 768px) {
    body {
        padding-top: 60px;
    }
    .navbar {
        padding: 10px 0;
    }
    .nav-links {
        gap: 15px;
    }
    .nav-links a {
        font-size: 0.9em;
    }

    .header-card h1 {
        font-size: 2.8em;
    }

    .header-card p {
        font-size: 1.1em;
    }

    h2 {
        font-size: 2.2em;
    }

    h3 {
        font-size: 1.6em;
    }

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

    .glass-card {
        padding: 25px;
        margin: 20px auto;
    }

    .myth-item {
        flex: 1 1 100%;
        max-width: unset;
    }

    #scrollToTopBtn {
        bottom: 20px;
        right: 20px;
        padding: 12px 16px;
        font-size: 24px;
    }
}

@media (max-width: 480px) {
    .header-card h1 {
        font-size: 2.2em;
    }

    .quote-box h3 {
        font-size: 1.8em;
    }

    .quote-box p {
        font-size: 1.2em;
    }
    .glass-card {
        padding: 20px;
    }
    .nav-links {
        flex-wrap: wrap;
        justify-content: center;
    }
}

.footer-card {
    text-align: center;
    padding: 30px 20px;
    margin-top: 50px;
    margin-bottom: 30px;
    font-size: 0.95em;
    opacity: 0.8;
}

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

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

.footer-card a:hover {
    color: lighten(var(--highlight-color), 15%);
}