/* AAARG Research Group Styles */

:root {
    --crimson: #841617;
    --cream: #FDF9F3;
    --dark-crimson: #5c0f10;
    --light-crimson: #a01d1e;
    --ice-blue: #d4e9f7;
    --arctic-gray: #4a4a4a;
    --snow-white: #ffffff;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Open Sans', 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: var(--arctic-gray);
    background-color: var(--cream);
}

/* Header Styles */
.site-header {
    background: linear-gradient(135deg, var(--dark-crimson) 0%, var(--crimson) 100%);
    color: var(--snow-white);
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.header-container {
    max-width: 1600px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.site-title {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--snow-white);
    text-decoration: none;
    margin-right: auto;
    padding-right: 3rem;
}

.site-subtitle {
    font-size: 0.9rem;
    font-weight: 300;
    display: block;
    margin-top: 0.2rem;
    opacity: 0.9;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 0.5rem;
    flex-shrink: 0;
}

.nav-menu a {
    color: var(--snow-white);
    text-decoration: none;
    padding: 0.6rem 1.2rem;
    border-radius: 4px;
    transition: background-color 0.3s ease;
    font-weight: 500;
    white-space: nowrap;
}

.nav-menu a:hover {
    background-color: var(--light-crimson);
}

.nav-menu a.active {
    background-color: rgba(255, 255, 255, 0.2);
}

.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--snow-white);
    font-size: 1.5rem;
    cursor: pointer;
}

/* Hero Section */
.hero-section {
    background: linear-gradient(rgba(132, 22, 23, 0.7), rgba(132, 22, 23, 0.7)),
                url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1200 400"><rect fill="%23d4e9f7" width="1200" height="400"/></svg>');
    background-size: cover;
    background-position: center;
    color: var(--snow-white);
    padding: 5rem 2rem;
    text-align: center;
    min-height: 400px;
    display: flex;
    align-items: center;
    justify-content: center;
    scroll-margin-top: 80px;
}

.hero-section.compact {
    min-height: 150px;
    padding: 2rem 2rem;
}

.hero-content {
    max-width: 900px;
}

.hero-section h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
    font-weight: 700;
}

.hero-section p {
    font-size: 1.3rem;
    margin-bottom: 2rem;
    line-height: 1.8;
}

/* Container */
.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 3rem 2rem;
}

/* Section Titles */
.section-title {
    color: var(--crimson);
    font-size: 2.5rem;
    margin-bottom: 1rem;
    text-align: center;
    font-weight: 700;
    scroll-margin-top: 100px;
}

.section-subtitle {
    text-align: center;
    color: var(--arctic-gray);
    font-size: 1.1rem;
    margin-bottom: 3rem;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.section-divider {
    width: 100px;
    height: 3px;
    background: var(--crimson);
    margin: 2rem auto;
}

/* Cards */
.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
    justify-items: center;
}

.card {
    background: var(--snow-white);
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    width: 100%;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(132, 22, 23, 0.2);
}

.card-image {
    width: 100%;
    height: 220px;
    object-fit: cover;
}

.card-content {
    padding: 1.5rem;
}

.card-title {
    color: var(--crimson);
    font-size: 1.4rem;
    margin-bottom: 1rem;
    font-weight: 600;
}

.card-text {
    color: var(--arctic-gray);
    line-height: 1.7;
}

.card-link {
    display: inline-block;
    margin-top: 1rem;
    color: var(--crimson);
    text-decoration: none;
    font-weight: 600;
    transition: color 0.3s ease;
}

.card-link:hover {
    color: var(--dark-crimson);
}

/* People Cards */
.person-card {
    text-align: center;
    width: 320px !important;
    max-width: 320px;
}

.person-card:hover {
    transform: none;
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
}

.person-image {
    width: 200px;
    height: 200px;
    border-radius: 50%;
    object-fit: cover;
    margin: 0 auto 1rem;
    border: 4px solid var(--crimson);
}

.person-name {
    color: var(--crimson);
    font-size: 1.3rem;
    margin-bottom: 0.3rem;
    font-weight: 600;
}

.person-title {
    color: var(--arctic-gray);
    font-size: 1rem;
    font-style: italic;
    margin-bottom: 0.8rem;
}

.person-bio {
    font-size: 0.95rem;
    line-height: 1.6;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

.person-bio.expanded {
    max-height: 500px;
}

.toggle-bio {
    background: var(--crimson);
    color: var(--snow-white);
    border: none;
    padding: 0.5rem 1.2rem;
    border-radius: 4px;
    cursor: pointer;
    margin-top: 1rem;
    font-weight: 500;
    transition: background-color 0.3s ease;
}

.toggle-bio:hover {
    background: var(--dark-crimson);
}

/* Alumni Section */
.alumni-list {
    max-width: 900px;
    margin: 2rem auto;
}

.alumni-subsection {
    margin-bottom: 2rem;
}

.alumni-subsection h3 {
    color: var(--crimson);
    font-size: 1.5rem;
    margin-bottom: 1rem;
    font-weight: 600;
}

.alumni-item {
    background: var(--snow-white);
    padding: 1rem 1.5rem;
    margin-bottom: 0.5rem;
    border-radius: 4px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.05);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.alumni-name {
    color: var(--crimson);
    font-weight: 600;
    font-size: 1.1rem;
}

.alumni-year {
    color: var(--arctic-gray);
    font-style: italic;
}

.alumni-current {
    color: var(--arctic-gray);
    flex-basis: 100%;
    margin-top: 0.5rem;
    font-size: 0.95rem;
}

/* Links Section */
.links-section {
    background: var(--snow-white);
    padding: 2rem;
    border-radius: 8px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
}

.primary-links {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.primary-link-card {
    background: linear-gradient(135deg, var(--crimson) 0%, var(--dark-crimson) 100%);
    color: var(--snow-white);
    padding: 2.5rem;
    border-radius: 8px;
    text-align: center;
    text-decoration: none;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    box-shadow: 0 4px 15px rgba(132, 22, 23, 0.3);
}

.primary-link-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(132, 22, 23, 0.5);
}

.primary-link-card h3 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

.secondary-links {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 1rem;
}

.secondary-link {
    display: block;
    padding: 0.8rem 1rem;
    background: var(--cream);
    color: var(--crimson);
    text-decoration: none;
    border-radius: 4px;
    transition: background-color 0.3s ease;
    font-weight: 500;
}

.secondary-link:hover {
    background: var(--ice-blue);
}

/* Contact Section */
.contact-box {
    background: var(--snow-white);
    padding: 2.5rem;
    border-radius: 8px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
    max-width: 1200px;
    margin: 2rem auto;
}

.contact-info {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.contact-item {
    text-align: center;
}

.contact-item h3 {
    color: var(--crimson);
    margin-bottom: 0.8rem;
    font-size: 1.2rem;
}

.contact-item p {
    color: var(--arctic-gray);
    line-height: 1.8;
}

/* Footer */
.site-footer {
    background: var(--dark-crimson);
    color: var(--snow-white);
    padding: 2rem;
    text-align: center;
    margin-top: 4rem;
}

.site-footer p {
    opacity: 0.9;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.8rem 2rem;
    background: var(--crimson);
    color: var(--snow-white);
    text-decoration: none;
    border-radius: 4px;
    font-weight: 600;
    transition: background-color 0.3s ease;
    border: none;
    cursor: pointer;
}

.btn:hover {
    background: var(--dark-crimson);
}

.btn-outline {
    background: transparent;
    border: 2px solid var(--crimson);
    color: var(--crimson);
}

.btn-outline:hover {
    background: var(--crimson);
    color: var(--snow-white);
}

/* Responsive Design */
@media (max-width: 768px) {
    .header-container {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }

    .site-title {
        margin-right: 0;
        padding-right: 0;
        margin-bottom: 1rem;
        font-size: 1.4rem;
    }

    .mobile-menu-toggle {
        display: block;
        margin-bottom: 0.5rem;
    }

    .nav-menu {
        display: none;
        width: 100%;
        flex-direction: column;
        margin-top: 0;
        gap: 0;
    }

    .nav-menu.active {
        display: flex;
    }

    .nav-menu li {
        width: 100%;
    }

    .nav-menu a {
        padding: 1rem;
        text-align: center;
        width: 100%;
        display: block;
        border-radius: 0;
    }

    .btn {
        padding: 0.7rem 1.5rem;
        font-size: 0.95rem;
        display: block;
        margin: 0.5rem auto !important;
        width: 90%;
        max-width: 300px;
    }
    
    .contact-info {
        grid-template-columns: 1fr;
    }
    
    .person-card {
        width: 100% !important;
        max-width: 320px;
    }

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

    .hero-section p {
        font-size: 1.1rem;
    }
    
    .hero-section.compact {
        min-height: 120px;
        padding: 1.5rem 1rem;
    }
    
    .hero-section.compact h1 {
        font-size: 1.8rem;
    }

    .section-title {
        font-size: 2rem;
    }

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

    .container {
        padding: 2rem 1rem;
    }
    
    .alumni-item {
        flex-direction: column;
        align-items: flex-start;
    }
}

/* Utility Classes */
.text-center {
    text-align: center;
}

.mb-1 { margin-bottom: 1rem; }
.mb-2 { margin-bottom: 2rem; }
.mb-3 { margin-bottom: 3rem; }
.mt-1 { margin-top: 1rem; }
.mt-2 { margin-top: 2rem; }
.mt-3 { margin-top: 3rem; }

.highlight-box {
    background: var(--ice-blue);
    padding: 2rem;
    border-radius: 8px;
    border-left: 4px solid var(--crimson);
    margin: 2rem 0;
}

.highlight-box h3 {
    color: var(--crimson);
    margin-bottom: 1rem;
}

/* Read More/Less Toggle */
.toggle-text {
    display: none;
}

.toggle-text.visible {
    display: inline;
}