:root {
    --rimuru-blue: #3AA8F6;
    --rimuru-dark-blue: #1E3A8A;
    --rimuru-light-blue: #A5D8FF;
    --light-bg: #f8f9fa;
    --dark-bg: #1a1a1a;
    --text-light: #333;
    --text-dark: #f0f0f0;
    --card-bg: #fff;
    --card-dark: #2d2d2d;
    --border-color: #e0e0e0;
    --border-dark: #444;
}

body {
    font-family: 'Poppins', sans-serif;
    margin: 0;
    padding: 0;
    background-color: var(--light-bg);
    color: var(--text-light);
    transition: background-color 0.3s ease, color 0.3s ease;
}

body.dark-mode {
    background-color: var(--dark-bg);
    color: var(--text-dark);
}

/* About Page Styles */
.about-container {
    max-width: 1400px;
    margin: 2rem auto;
    padding: 0 2rem;
}

.about-hero {
    background:
        url('https://pbs.twimg.com/media/Gf31_g7awAEN9Yy?format=jpg&name=large');
    background-size: cover;
    background-position: center;
    height: 300px;
    border-radius: 10px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    color: white;
    margin-bottom: 2rem;
    padding: 2rem;
}

.about-hero h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
    font-family: 'Righteous', cursive;
}

.about-hero p {
    font-size: 1.2rem;
    max-width: 700px;
}

.section-title {
    font-size: 2rem;
    color: var(--rimuru-dark-blue);
    margin: 2rem 0 1.5rem;
    position: relative;
    padding-bottom: 0.5rem;
    font-family: 'Righteous', cursive;
}

body.dark-mode .section-title {
    color: var(--rimuru-blue);
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 80px;
    height: 4px;
    background: var(--rimuru-blue);
}

.profile-section,
.tempest-section,
.philosophy-section {
    margin-bottom: 3rem;
}

.subsection {
    margin-bottom: 2rem;
}

.subsection-title {
    font-size: 1.5rem;
    color: var(--rimuru-blue);
    margin-bottom: 1rem;
}

p {
    line-height: 1.6;
    margin-bottom: 1rem;
}

.highlight-box {
    background-color: var(--rimuru-light-blue);
    padding: 1.5rem;
    border-radius: 10px;
    margin: 1.5rem 0;
    border-left: 5px solid var(--rimuru-blue);
}

body.dark-mode .highlight-box {
    background-color: rgba(58, 168, 246, 0.2);
}

.abilities-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 1.5rem;
    margin: 1.5rem 0;
}

.ability-card {
    background-color: var(--card-bg);
    border-radius: 8px;
    padding: 1.5rem;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    border: 1px solid var(--border-color);
}

body.dark-mode .ability-card {
    background-color: var(--card-dark);
    border-color: var(--border-dark);
}

.ability-title {
    font-weight: 600;
    color: var(--rimuru-blue);
    margin-bottom: 0.5rem;
}

.characters-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 1.5rem;
    margin: 1.5rem 0;
}

.character-card {
    background-color: var(--card-bg);
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    border: 1px solid var(--border-color);
    text-align: center;
    transition: transform 0.3s ease;
}

body.dark-mode .character-card {
    background-color: var(--card-dark);
    border-color: var(--border-dark);
}

.character-card:hover {
    transform: translateY(-5px);
}

.character-image {
    width: 100%;
    height: 180px;
    object-fit: cover;
    border-bottom: 3px solid var(--rimuru-blue);
}

.character-info {
    padding: 1rem;
}

.character-name {
    font-weight: 600;
    margin: 0.5rem 0;
}

.character-role {
    font-size: 0.9rem;
    color: #666;
}

body.dark-mode .character-role {
    color: #aaa;
}

.quote-section {
    margin: 3rem 0;
    text-align: center;
}

.quote {
    font-size: 1.5rem;
    font-style: italic;
    color: var(--rimuru-blue);
    max-width: 800px;
    margin: 0 auto 1rem;
    position: relative;
}

.quote::before,
.quote::after {
    content: '"';
    color: var(--rimuru-blue);
    font-size: 2rem;
}

.quote-author {
    font-weight: 600;
}

.timeline {
    position: relative;
    max-width: 800px;
    margin: 3rem auto;
}

.timeline::before {
    content: '';
    position: absolute;
    width: 4px;
    background-color: var(--rimuru-blue);
    top: 0;
    bottom: 0;
    left: 50%;
    margin-left: -2px;
}

.timeline-item {
    padding: 10px 40px;
    position: relative;
    width: 50%;
    box-sizing: border-box;
}

.timeline-item::after {
    content: '';
    position: absolute;
    width: 20px;
    height: 20px;
    background-color: var(--rimuru-blue);
    border-radius: 50%;
    top: 15px;
    z-index: 1;
}

.left {
    left: 0;
    text-align: right;
}

.right {
    left: 50%;
    text-align: left;
}

.left::after {
    right: -10px;
}

.right::after {
    left: -10px;
}

.timeline-content {
    padding: 20px;
    background-color: var(--card-bg);
    border-radius: 8px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    border: 1px solid var(--border-color);
}

body.dark-mode .timeline-content {
    background-color: var(--card-dark);
    border-color: var(--border-dark);
}

.timeline-date {
    font-weight: 600;
    color: var(--rimuru-blue);
    margin-bottom: 0.5rem;
}

.video-container {
    position: relative;
    padding-bottom: 56.25%;
    height: 0;
    overflow: hidden;
    margin: 2rem 0;
    border-radius: 10px;
}

.video-container iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: none;
}

/* Responsive Design */
@media (max-width: 1024px) {
    .abilities-grid {
        grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    }

    .characters-grid {
        grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    }
}

@media (max-width: 768px) {
    .header-container {
        padding: 0 1.5rem;
    }

    .main-nav {
        position: fixed;
        top: 80px;
        left: 0;
        width: 100%;
        background: var(--rimuru-dark-blue);
        padding: 1rem;
        box-shadow: 0 5px 10px rgba(0, 0, 0, 0.2);
        transform: translateY(-150%);
        transition: transform 0.3s ease;
        z-index: 999;
    }

    .main-nav.active {
        transform: translateY(0);
    }

    .main-nav .nav-list {
        flex-direction: column;
        gap: 0.5rem;
    }

    .nav-link {
        flex-direction: row;
        justify-content: flex-start;
        gap: 1rem;
        padding: 0.8rem 1rem;
    }

    .mobile-menu-btn {
        display: block;
    }

    .site-title {
        font-size: 1.5rem;
    }

    .about-hero {
        height: 250px;
    }

    .about-hero h1 {
        font-size: 2.5rem;
    }

    .timeline::before {
        left: 31px;
    }

    .timeline-item {
        width: 100%;
        padding-left: 70px;
        padding-right: 25px;
    }

    .timeline-item::after {
        left: 21px;
    }

    .left,
    .right {
        left: 0;
        text-align: left;
    }

    .left::after,
    .right::after {
        left: 21px;
    }
}

@media (max-width: 576px) {
    .about-hero {
        height: 200px;
        padding: 1rem;
    }

    .about-hero h1 {
        font-size: 2rem;
    }

    .section-title {
        font-size: 1.8rem;
    }

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

    .characters-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 480px) {
    .branding {
        gap: 0.5rem;
    }

    .site-logo {
        height: 40px;
    }

    .utility-nav .login-btn span {
        display: none;
    }

    .header-container {
        padding: 0 1rem;
    }

    .about-container {
        padding: 0 1rem;
    }

    .about-hero h1 {
        font-size: 1.8rem;
    }

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