/* ====== CSS CUSTOM PROPERTIES ====== */
:root {
    --bg: #181818;
    --bg-card: #212121;
    --bg-nav: #1c1c1c;
    --green: #7a966e;
    --green-light: #96b284;
    --amber: #a38b5b;
    --amber-light: #c0a570;
    --text: #d4d9c0;
    --text-secondary: #8a9080;
    --text-muted: #575c50;
    --border: rgba(122, 150, 110, 0.16);
    --border-strong: rgba(122, 150, 110, 0.32);
    --shadow: 0 4px 24px rgba(0, 0, 0, 0.45);
    --shadow-hover: 0 8px 40px rgba(0, 0, 0, 0.6);
    --r: 10px;
    --r-sm: 6px;
    --t: 0.25s ease;
}

/* ====== GLOBAL STYLES ====== */
*,
*::before,
*::after {
    box-sizing: border-box;
}

html,
body {
    height: 100%;
    margin: 0;
    padding: 0;
    font-family: 'Inter', 'Segoe UI', system-ui, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.65;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

body {
    padding-top: 68px;
}

/* ====== LINKS ====== */
a {
    color: var(--green);
    text-decoration: none;
    transition: color var(--t);
}

a:hover {
    color: var(--green-light);
    text-decoration: underline;
}

/* ====== HEADER & NAVBAR ====== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: var(--bg-nav);
    z-index: 1000;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.85rem 2rem;
    border-bottom: 1px solid var(--border);
    gap: 1rem;
}

.logo {
    font-weight: 700;
    font-size: 1.05rem;
    color: var(--text);
    letter-spacing: 0.02em;
    white-space: nowrap;
    flex-shrink: 0;
}

/* Nav links */
.nav-center {
    list-style: none;
    display: flex;
    gap: 0.2rem;
    margin: 0;
    padding: 0;
}

.nav-center li a {
    color: var(--text-secondary);
    font-weight: 500;
    font-size: 0.95rem;
    padding: 0.4rem 0.8rem;
    border-radius: var(--r-sm);
    transition: color var(--t), background var(--t);
}

.nav-center li a:hover {
    color: var(--text);
    background: rgba(122, 150, 110, 0.1);
    text-decoration: none;
}

.nav-center li a.active {
    color: var(--green-light);
    background: rgba(122, 150, 110, 0.12);
}

/* Social icons in navbar */
.nav-social {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    flex-shrink: 0;
}

.nav-social a {
    display: flex;
    align-items: center;
    opacity: 0.9;
    background: rgba(122, 150, 110, 0.1);
    border: 1px solid var(--border);
    border-radius: var(--r-sm);
    padding: 0.3rem;
    transition: opacity var(--t), transform var(--t), background var(--t), border-color var(--t);
}

.nav-social a:hover {
    opacity: 1;
    transform: translateY(-2px);
    background: rgba(122, 150, 110, 0.2);
    border-color: var(--border-strong);
}

.nav-social img {
    width: 26px;
    height: 26px;
    display: block;
    filter: brightness(1.15) saturate(1.2);
}

/* ====== HERO SECTION ====== */
.hero-text {
    text-align: center;
    padding: 3rem 2rem 2rem;
    background: linear-gradient(180deg, rgba(122, 150, 110, 0.07) 0%, transparent 100%);
}

.hero-text h1 {
    margin: 0 0 0.5rem;
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--green-light);
    letter-spacing: -0.02em;
    min-height: 3rem;
}

.hero-text p {
    color: var(--text-secondary);
    font-size: 0.92rem;
    margin: 0;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    font-weight: 500;
}

.hero-text p a {
    color: var(--text-secondary);
    font-weight: 500;
    transition: color var(--t);
}

.hero-text p a:hover {
    color: var(--text);
    text-decoration: none;
}

.hero-text p a.active {
    color: var(--green-light);
    border-bottom: 1px solid var(--green);
}

/* ====== MAIN CONTENT ====== */
main {
    max-width: 960px;
    width: 100%;
    margin: 0 auto 2rem;
    padding: 1.5rem;
    flex-grow: 1;
}

/* ====== SECTIONS ====== */
section {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--r);
    padding: 1.75rem 2rem;
    margin-bottom: 1rem;
    transition: border-color var(--t), box-shadow var(--t);
}

section:hover {
    border-color: var(--border-strong);
    box-shadow: var(--shadow);
}

h2 {
    color: var(--amber);
    margin: 0 0 1.1rem;
    font-size: 1.05rem;
    font-weight: 600;
    letter-spacing: 0.07em;
    text-transform: uppercase;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

h2::before {
    content: '';
    display: block;
    width: 3px;
    height: 1em;
    background: var(--amber);
    border-radius: 2px;
    flex-shrink: 0;
}

h3 {
    color: var(--text);
    font-size: 1rem;
    margin: 0 0 0.5rem;
}

/* ====== LIST STYLES ====== */
ul {
    list-style-type: square;
    padding-left: 1.5rem;
}

/* ====== ABOUT SECTION ====== */
.about-container {
    display: flex;
    flex-wrap: wrap;
    align-items: flex-start;
    gap: 2rem;
}

.about-text {
    flex: 1;
    min-width: 260px;
}

.about-text h2 {
    margin-bottom: 1rem;
}

.about-text p {
    margin: 0 0 1rem;
    color: var(--text);
}

.about-text p:last-child {
    margin-bottom: 0;
}

.profile-photo {
    width: 100%;
    max-width: 260px;
    height: auto;
    border-radius: var(--r);
    border: 1px solid var(--border-strong);
    box-shadow: var(--shadow);
    margin: 0 auto;
    display: block;
}

.about-photo {
    text-align: center;
    flex-shrink: 0;
}

.about-photo figcaption {
    margin-top: 0.6rem;
    font-size: 0.82rem;
    color: var(--text-muted);
    font-style: italic;
}

/* ====== RESUME STYLES ====== */
.resume section {
    padding: 1.5rem 2rem;
}

.resume ul {
    margin: 0.25rem 0 0.75rem 1.5rem;
}

.resume li ul {
    list-style-type: disc;
    margin-top: 0.3rem;
}

.title-line {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    flex-wrap: wrap;
    gap: 0.4rem;
    margin-bottom: 0.2rem;
}

.resume-date {
    color: var(--text-secondary);
    font-size: 0.87rem;
    white-space: nowrap;
}

/* Collapsibles */
.collapsible-header {
    cursor: pointer;
    user-select: none;
    margin: 0;
}

.collapsible-header:hover {
    color: var(--amber-light);
}

.collapsible-content {
    overflow: hidden;
}

.collapsible-content.hidden {
    display: none;
}

.arrow {
    font-size: 0.7em;
    vertical-align: middle;
    margin-left: 0.3rem;
}

/* Resume download buttons */
.resume-actions {
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
}

/* ====== SKILL TAGS ====== */
.skills-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0;
    column-gap: 2.5rem;
}

.skills-col {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.skills-col-header {
    color: var(--amber);
    font-size: 0.95rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    padding-bottom: 0.5rem;
    margin-bottom: 0.25rem;
    border-bottom: 1px solid var(--border-strong);
}

.skill-group strong {
    color: var(--text-secondary);
    font-size: 0.78rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    display: block;
    margin-bottom: 0.4rem;
}

.skill-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
}

.tag {
    background: rgba(122, 150, 110, 0.08);
    border: 1px solid var(--border-strong);
    color: var(--text);
    font-size: 0.82rem;
    padding: 0.2rem 0.65rem;
    border-radius: 20px;
    white-space: nowrap;
}

.tag.proficient {
    border-color: rgba(122, 150, 110, 0.5);
    color: var(--green-light);
    background: rgba(122, 150, 110, 0.1);
}

.tag.moderate {
    border-color: rgba(163, 139, 91, 0.4);
    color: var(--amber-light);
}

.tag.limited {
    border-color: var(--border);
    color: var(--text-secondary);
}

/* ====== ACCOLADES ====== */
.accolades-side {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.accolades-side ul {
    flex: 1;
    margin: 0;
    padding-left: 1.5rem;
}

.badge-circle {
    width: 90px;
    height: 90px;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid var(--border-strong);
    box-shadow: var(--shadow);
    flex-shrink: 0;
}

/* ====== BUTTONS ====== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    background: rgba(122, 150, 110, 0.1);
    border: 1px solid var(--border-strong);
    color: var(--green-light);
    font-size: 0.88rem;
    font-family: inherit;
    padding: 0.35rem 0.9rem;
    border-radius: var(--r-sm);
    cursor: pointer;
    text-decoration: none;
    transition: background var(--t), border-color var(--t), color var(--t);
}

.btn:hover {
    background: rgba(122, 150, 110, 0.2);
    border-color: var(--green);
    color: var(--green-light);
    text-decoration: none;
}

/* ====== PROJECT PAGES ====== */
.project-skills {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--r);
    padding: 0.9rem 1.25rem;
    margin-bottom: 0.75rem;
}

.project-detail {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--r);
    padding: 1.4rem 2rem;
    margin-bottom: 0.75rem;
    transition: border-color var(--t), box-shadow var(--t);
}

.project-detail:hover {
    border-color: var(--border-strong);
    box-shadow: var(--shadow);
}

.project-detail h2 {
    margin-bottom: 0;
}

.project-detail .collapsible-content {
    padding-top: 1rem;
}

.project-detail .pdf-toolbar {
    background: transparent;
    border: none;
    border-bottom: 1px solid var(--border);
    border-radius: 0;
    padding: 0 0 0.75rem;
    margin-bottom: 0.75rem;
}

.project-detail #pdf-frame {
    min-height: 82vh;
    border-radius: var(--r-sm);
}

/* ====== EMPLOYER BLOCKS (Experience) ====== */
.employer-block {
    margin-bottom: 1.75rem;
}

.employer-block:last-child {
    margin-bottom: 0;
}

.employer-header {
    font-weight: 600;
    font-size: 1rem;
    color: var(--green-light);
    padding-bottom: 0.4rem;
    margin-bottom: 0.6rem;
    border-bottom: 1px solid var(--border);
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    flex-wrap: wrap;
    gap: 0.4rem;
}

.employer-block > ul {
    margin: 0;
    padding-left: 0;
    list-style: none;
}

.employer-block > ul > li {
    margin-bottom: 1rem;
    padding-left: 1rem;
    border-left: 2px solid var(--border);
}

.employer-block > ul > li:last-child {
    margin-bottom: 0;
}
main.projects {
    display: flex;
    flex-direction: column;
    max-width: 1200px;
    padding: 1.5rem;
}

.pdf-toolbar {
    display: flex;
    align-items: center;
    gap: 1rem;
    flex-wrap: wrap;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--r);
    padding: 0.75rem 1.25rem;
    margin-bottom: 0.75rem;
}

.pdf-toolbar label {
    color: var(--text-secondary);
    font-size: 0.9rem;
    white-space: nowrap;
}

.pdf-toolbar select {
    background: var(--bg);
    color: var(--text);
    border: 1px solid var(--border-strong);
    border-radius: var(--r-sm);
    padding: 0.3rem 0.6rem;
    font-size: 0.9rem;
    font-family: inherit;
    cursor: pointer;
    transition: border-color var(--t);
}

.pdf-toolbar select:hover {
    border-color: var(--green);
}

.pdf-actions {
    margin-left: auto;
    display: flex;
    gap: 0.6rem;
}

#pdf-frame {
    flex: 1;
    width: 100%;
    border: 1px solid var(--border);
    border-radius: var(--r);
    min-height: calc(100vh - 230px);
    background: #fff;
}

/* ====== COMING SOON ====== */
.coming-soon-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--r);
    padding: 3.5rem 2rem;
    text-align: center;
    margin-top: 0.5rem;
}

.coming-soon-card h2 {
    justify-content: center;
    margin-bottom: 0.75rem;
}

.coming-soon-card h2::before {
    display: none;
}

.coming-soon-card p {
    color: var(--text-secondary);
    margin: 0.4rem 0;
}

.coming-soon-tags {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.5rem;
    margin-top: 1.5rem;
}

/* ====== FOOTER ====== */
footer {
    background: var(--bg-nav);
    border-top: 1px solid var(--border);
    text-align: center;
    padding: 1.25rem;
    color: var(--text-secondary);
    font-size: 0.88rem;
}

footer p {
    margin: 0.2rem 0;
}

footer .fine-print {
    color: var(--text-muted);
    font-size: 0.78rem;
    margin-top: 0.3rem;
}

/* ====== RESPONSIVE ====== */
@media (max-width: 768px) {
    body {
        padding-top: 62px;
    }

    .navbar {
        padding: 0.7rem 1.25rem;
        flex-wrap: wrap;
    }

    .nav-center li a {
        padding: 0.35rem 0.55rem;
        font-size: 0.88rem;
    }

    .nav-social img {
        width: 20px;
        height: 20px;
    }

    .hero-text {
        padding: 2.5rem 1.25rem 1.5rem;
    }

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

    main {
        padding: 1rem;
    }

    section {
        padding: 1.25rem;
    }

    .about-container {
        flex-direction: column;
        align-items: center;
    }

    .profile-photo {
        max-width: 220px;
    }

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

    .accolades-side {
        flex-direction: column;
        align-items: flex-start;
    }

    #pdf-frame {
        min-height: 60vh;
    }

    .pdf-actions {
        margin-left: 0;
    }
}

/* ====== CLASSWORK REPO ====== */
#classwork-repo {
    background: var(--bg);
    border: 1px solid var(--border-strong);
    padding: 1rem;
    border-radius: var(--r-sm);
    max-width: 600px;
    list-style: none;
}

#classwork-repo li {
    margin-bottom: 8px;
}