/* ============================================
   Morgan Wack - Academic Personal Website
   Inspired by ryancbriggs.net aesthetic
   ============================================ */

/* --- CSS Variables --- */
:root {
    --color-bg: #f5f0e8;
    --color-bg-alt: #ede7db;
    --color-nav: #1b2a4a;
    --color-nav-text: #f5f0e8;
    --color-text: #2c2c2c;
    --color-text-light: #5a5a5a;
    --color-accent: #8b3a3a;
    --color-accent-hover: #a64c4c;
    --color-heading: #1b2a4a;
    --color-link: #8b3a3a;
    --color-link-hover: #a64c4c;
    --color-border: #d4cec2;
    --color-category: #8b3a3a;
    --font-heading: 'Playfair Display', Georgia, serif;
    --font-body: 'Source Sans 3', 'Segoe UI', sans-serif;
    --max-width: 900px;
    --nav-height: 56px;
}

/* --- Reset & Base --- */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: var(--nav-height);
}

body {
    font-family: var(--font-body);
    font-size: 17px;
    line-height: 1.7;
    color: var(--color-text);
    background-color: var(--color-bg);
}

/* --- Navigation --- */
.main-nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--nav-height);
    background: var(--color-nav);
    z-index: 1000;
    transition: background 0.3s ease;
}

.nav-inner {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
    padding: 0 2rem;
}

.nav-brand {
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 1.1rem;
    color: var(--color-nav-text);
    text-decoration: none;
    letter-spacing: 1px;
}

.nav-links {
    display: flex;
    gap: 0.2rem;
}

.nav-link {
    color: var(--color-nav-text);
    text-decoration: none;
    font-size: 0.82rem;
    font-weight: 600;
    letter-spacing: 0.5px;
    padding: 0.4rem 0.9rem;
    border-radius: 3px;
    transition: background 0.2s;
}

.nav-link:hover,
.nav-link.active {
    color: var(--color-accent-hover);
}

.nav-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}

.nav-toggle span {
    display: block;
    width: 22px;
    height: 2px;
    background: var(--color-nav-text);
    margin: 5px 0;
    transition: 0.3s;
}

/* --- Hero / Parallax Banner --- */
.hero-banner {
    position: relative;
    height: 44vh;
    min-height: 280px;
    max-height: 400px;
    margin-top: var(--nav-height);
    overflow: hidden;
}

.hero-image {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 130%;
    background-image: url('../images/banner.jpg');
    background-size: cover;
    background-position: center 40%;
    will-change: transform;
    transition: transform 0.1s linear;
}

.hero-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 40%;
    background: linear-gradient(to top, rgba(27, 42, 74, 0.3), transparent);
}

/* --- Container --- */
.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 2rem;
}

/* --- Page Content --- */
.page-content {
    margin-top: var(--nav-height);
    padding: 3rem 0;
    min-height: calc(100vh - var(--nav-height) - 80px);
}

.page-title {
    font-family: var(--font-heading);
    font-size: 2.4rem;
    font-weight: 700;
    color: var(--color-heading);
    margin-bottom: 0.5rem;
}

.page-divider {
    border: none;
    border-top: 2px solid var(--color-border);
    margin: 1rem 0 2rem;
}

/* --- Homepage Sections --- */
.home-intro {
    padding: 3rem 0 2rem;
}

.home-intro .container {
    max-width: 1100px;
}

.intro-grid {
    display: grid;
    grid-template-columns: 280px 1fr;
    gap: 3rem;
    align-items: start;
}

.intro-photo {
    position: relative;
}

.intro-photo img {
    width: 100%;
    border-radius: 4px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.12);
}

.intro-text h1 {
    font-family: var(--font-heading);
    font-size: 2.2rem;
    color: var(--color-heading);
    margin-bottom: 1rem;
}

.intro-text p {
    font-size: 1.05rem;
    margin-bottom: 1rem;
    color: var(--color-text);
}

.intro-text a {
    color: var(--color-link);
    text-decoration: none;
    border-bottom: 1px solid transparent;
    transition: border-color 0.2s;
}

.intro-text a:hover {
    border-bottom-color: var(--color-link-hover);
}

/* Social icons under headshot photo */
.photo-social-icons {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-top: 1rem;
}

.photo-social-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    border: 1.5px solid var(--color-nav);
    color: var(--color-nav);
    transition: all 0.2s;
}

.photo-social-link:hover {
    background: var(--color-nav);
    color: var(--color-nav-text);
}

.photo-social-link svg {
    display: block;
}

.social-links {
    display: flex;
    gap: 0.7rem;
    margin-top: 1.5rem;
    flex-wrap: wrap;
}

.social-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.45rem 1rem;
    border: 1.5px solid var(--color-nav);
    border-radius: 3px;
    color: var(--color-nav);
    text-decoration: none;
    font-size: 0.82rem;
    font-weight: 600;
    letter-spacing: 0.3px;
    transition: all 0.2s;
}

.social-btn:hover {
    background: var(--color-nav);
    color: var(--color-nav-text);
}

/* Recent publications on homepage */
.home-section {
    padding: 2rem 0 3rem;
}

.home-section h2 {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    color: var(--color-heading);
    margin-bottom: 0.5rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-size: 0.95rem;
    font-weight: 700;
}

.home-section hr {
    border: none;
    border-top: 2px solid var(--color-border);
    margin-bottom: 1.5rem;
}

/* --- Research Page --- */
.page-content .container {
    max-width: 1100px;
}

.research-category-block {
    margin-bottom: 2.5rem;
}

.research-category-grid {
    display: grid;
    grid-template-columns: 180px 1fr;
    gap: 2rem;
    align-items: start;
}

.research-category-image {
    margin-top: 2rem;
}

.research-category-image img {
    width: 100%;
    height: 160px;
    object-fit: cover;
    border-radius: 4px;
    box-shadow: 0 4px 14px rgba(0,0,0,0.2), 0 1px 3px rgba(0,0,0,0.12);
}

.research-category-image img[alt="Digital Technologies & Public Opinion"] {
    object-position: center bottom;
}

.research-category-pubs .category-title {
    margin-top: 2rem;
}

.category-title {
    font-family: var(--font-body);
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--color-category);
    margin-top: 2rem;
    margin-bottom: 1rem;
}

.pub-entry {
    margin-bottom: 1.4rem;
    line-height: 1.65;
    font-size: 0.98rem;
}

.pub-entry .pub-title {
    color: var(--color-text);
}

.pub-entry .pub-title a {
    color: var(--color-link);
    text-decoration: none;
    border-bottom: 1px solid transparent;
    transition: border-color 0.2s;
}

.pub-entry .pub-title a:hover {
    border-bottom-color: var(--color-link);
}

.pub-entry .pub-journal {
    font-style: italic;
}

.pub-entry .pub-note {
    color: var(--color-text-light);
    font-size: 0.9rem;
}

.pub-read-btn {
    display: inline-block;
    margin-left: 0.4rem;
    padding: 0.15rem 0.6rem;
    font-size: 0.78rem;
    font-weight: 600;
    letter-spacing: 0.3px;
    color: var(--color-nav);
    border: 1.5px solid var(--color-nav);
    border-radius: 3px;
    text-decoration: none;
    transition: all 0.2s;
    vertical-align: middle;
}

.pub-read-btn:hover {
    background: var(--color-nav);
    color: var(--color-nav-text);
}

.section-label {
    font-family: var(--font-body);
    font-size: 0.95rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--color-heading);
    margin-top: 2.5rem;
    margin-bottom: 0.3rem;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid var(--color-border);
}

/* --- News Page --- */
.news-list {
    list-style: none;
}

.news-item {
    display: grid;
    grid-template-columns: 140px 1fr;
    gap: 1.5rem;
    padding: 1.2rem 0;
    border-bottom: 1px solid var(--color-border);
}

.news-item:last-child {
    border-bottom: none;
}

.news-date {
    font-size: 0.9rem;
    color: var(--color-text-light);
    padding-top: 0.15rem;
}

.news-outlet {
    display: block;
    font-size: 0.85rem;
    color: var(--color-text-light);
    margin-top: 0.1rem;
}

.news-content h3 {
    font-family: var(--font-body);
    font-size: 1rem;
    font-weight: 400;
    line-height: 1.5;
}

.news-content h3 a {
    color: var(--color-link);
    text-decoration: none;
    border-bottom: 1px solid transparent;
    transition: border-color 0.2s;
}

.news-content h3 a:hover {
    border-bottom-color: var(--color-link);
}

.news-type {
    display: inline-block;
    font-size: 0.72rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    padding: 0.15rem 0.5rem;
    border-radius: 3px;
    margin-left: 0.5rem;
    vertical-align: middle;
}

.news-type.article {
    background: rgba(139, 58, 58, 0.1);
    color: var(--color-accent);
}

.news-type.report {
    background: rgba(27, 42, 74, 0.1);
    color: var(--color-heading);
}

.news-type.media {
    background: rgba(90, 90, 90, 0.1);
    color: var(--color-text-light);
}

/* --- Extracurriculars Page --- */
.extras-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2.5rem;
    margin-top: 2rem;
}

.extras-card {
    background: var(--color-bg-alt);
    border-radius: 6px;
    overflow: hidden;
    transition: transform 0.2s;
}

.extras-card:hover {
    transform: translateY(-2px);
}

.extras-image {
    width: 100%;
    height: 200px;
    overflow: hidden;
}

.extras-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s;
}

.extras-card:hover .extras-image img {
    transform: scale(1.05);
}

.extras-card h3 {
    font-family: var(--font-heading);
    font-size: 1.3rem;
    color: var(--color-heading);
    margin-bottom: 0.8rem;
    padding: 1.5rem 1.5rem 0;
}

.extras-card p {
    font-size: 0.95rem;
    color: var(--color-text-light);
    line-height: 1.6;
    padding: 0 1.5rem 1.5rem;
}

.extras-bottom-joke {
    margin-top: 80vh;
    padding-bottom: 10vh;
    text-align: center;
}

.extras-bottom-joke p {
    font-family: var(--font-body);
    font-size: 1rem;
    font-style: italic;
    color: var(--color-text-light);
}

/* --- CV & Contact Page --- */
.cv-section {
    margin-bottom: 3rem;
}

.cv-download {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.7rem 1.8rem;
    background: var(--color-nav);
    color: var(--color-nav-text);
    text-decoration: none;
    border-radius: 4px;
    font-weight: 600;
    font-size: 0.95rem;
    transition: background 0.2s;
    margin-bottom: 2rem;
}

.cv-download:hover {
    background: var(--color-accent);
}

.contact-info {
    background: var(--color-bg-alt);
    padding: 2rem;
    border-radius: 6px;
    margin-top: 1rem;
}

.contact-info p {
    margin-bottom: 0.6rem;
    font-size: 1rem;
}

.contact-info a {
    color: var(--color-link);
    text-decoration: none;
}

.contact-info a:hover {
    text-decoration: underline;
}

.cv-embed {
    width: 100%;
    height: 800px;
    border: 1px solid var(--color-border);
    border-radius: 4px;
    margin-top: 1rem;
}

/* Education / Positions styling */
.cv-item {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 1rem;
    margin-bottom: 1rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--color-border);
}

.cv-item:last-child {
    border-bottom: none;
}

.cv-item h3 {
    font-family: var(--font-body);
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-heading);
}

.cv-item p {
    font-size: 0.95rem;
    color: var(--color-text-light);
}

.cv-item .cv-dates {
    font-size: 0.9rem;
    color: var(--color-text-light);
    white-space: nowrap;
}

/* --- Footer --- */
.site-footer {
    background: var(--color-nav);
    color: rgba(255,255,255,0.6);
    text-align: center;
    padding: 1.5rem;
    font-size: 0.85rem;
}

/* --- Responsive --- */
@media (max-width: 768px) {
    .intro-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .intro-photo {
        max-width: 250px;
        margin: 0 auto;
    }

    .social-links {
        justify-content: center;
    }

    .news-item {
        grid-template-columns: 1fr;
        gap: 0.3rem;
    }

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

    .research-category-grid {
        grid-template-columns: 1fr;
    }

    .research-category-image {
        max-width: 200px;
    }

    .nav-links {
        display: none;
        position: absolute;
        top: var(--nav-height);
        left: 0;
        right: 0;
        background: var(--color-nav);
        flex-direction: column;
        padding: 1rem;
    }

    .nav-links.open {
        display: flex;
    }

    .nav-toggle {
        display: block;
    }

    .hero-banner {
        height: 35vh;
        min-height: 200px;
    }

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

    .cv-item {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    body {
        font-size: 16px;
    }

    .container {
        padding: 0 1.2rem;
    }
}