/* =============================================================
   index.css — Kent Schaeffer Portfolio
   Carbon · White · Crimson · Sapphire
   #111111 / #FAFAFA / #FF4D4D / #3B82F6
   ============================================================= */

/* ── Design tokens ────────────────────────────────────────── */
:root {
    --crimson:        #FF4D4D;
    --crimson-nav:    #FF4D4D;
    --accent:         #3B82F6;
    --bg-carbon:      #111111;
    --bg-surface:     #262626;
    --bg-surface-alt: #2F2F2F;
    --text-primary:   #FAFAFA;
    --text-muted:     #BBBBBB;
    --text-white:     #FAFAFA;
    --border:         rgba(255,77,77,0.30);
    --border-hover:   rgba(255,77,77,0.62);
    --font-title: 'Outfit', system-ui, sans-serif;
    --font-nav:   'Inter', system-ui, sans-serif;
    --font-body:  'Fira Code', 'Courier New', monospace;
    --font-link:  'Plus Jakarta Sans', system-ui, sans-serif;
}

body.light-mode {
    --crimson:        #B82000;
    --crimson-nav:    #FF4D4D;
    --accent:         #1D4ED8;
    --bg-carbon:      #E8E8E8;
    --bg-surface:     #FAFAFA;
    --bg-surface-alt: #F0F0F0;
    --text-primary:   #1A1A1A;
    --text-muted:     #555555;
    --border:         rgba(184,32,0,0.28);
    --border-hover:   rgba(184,32,0,0.60);
}

body.mono-mode {
    --crimson:        #BBBBBB;
    --accent:         #DDDDDD;
    --bg-carbon:      #141414;
    --bg-hover:       #CCCCCC;
    --bg-surface:     #242424;
    --bg-surface-alt: #2C2C2C;
    --text-primary:   #EEEEEE;
    --text-muted:     #909090;
    --border:         rgba(180,180,180,0.28);
    --border-hover:   rgba(200,200,200,0.55);
}

/* ── Mono grayscale filter ────────────────────────────────── */
body.mono-mode section,
body.mono-mode main,
body.mono-mode footer,
body.mono-mode .portfolio-item,
body.mono-mode .timeline-card,
body.mono-mode .education-item,
body.mono-mode .project-card,
body.mono-mode .community-card,
body.mono-mode .navbar { filter: grayscale(100%); }

body.mono-mode .modal,
body.mono-mode .modal *,
body.mono-mode .modal-backdrop,
body.mono-mode .modal-backdrop * { filter: none !important; }
body.mono-mode .gallery-image { filter: grayscale(100%) !important; }

body.mono-mode .navbar          { background-color: rgba(20,20,20,0.35) !important; }
body.mono-mode .navbar.scrolled { background-color: rgba(20,20,20,0.80) !important; }

body.mono-mode .portfolio-item,
body.mono-mode .timeline-card,
body.mono-mode .education-item,
body.mono-mode .project-card,
body.mono-mode .community-card {
    background: rgba(40,40,40,0.88);
    border-color: rgba(140,140,140,0.32);
}

body.mono-mode .education-item:hover,  body.mono-mode .education-item:focus-within,
body.mono-mode .timeline-card:hover,   body.mono-mode .timeline-card:focus-within,
body.mono-mode .portfolio-item:hover,  body.mono-mode .portfolio-item:focus,
body.mono-mode .project-card:hover,    body.mono-mode .community-card:hover {
    filter: grayscale(100%) brightness(1.35);
    border-color: rgba(200,200,200,0.65);
}

body.mono-mode .btn-primary { background-color: transparent; border-color: #AAAAAA; color: #CCCCCC; }
body.mono-mode .btn-primary:hover,
body.mono-mode .btn-primary:focus-visible {
    background-color: var(--bg-hover) !important; border-color: var(--bg-hover) !important; color: #111111 !important;
}
body.mono-mode .home-button { background: #555555 !important; color: #EEEEEE !important; }
body.mono-mode .home-button:hover,
body.mono-mode .home-button:focus-visible { background: #777777 !important; outline-color: #AAAAAA !important; }
body.mono-mode .modal-content { background: #fafafa !important; color: #1a1a1a !important; border-radius: 1rem; }
body.mono-mode .nav-link        { color: var(--bg-hover) !important; }
body.mono-mode .nav-link.active { color: #EEEEEE !important; }
body.mono-mode .nav-link.active::after { background: #EEEEEE; }
body.mono-mode .mode-label { color: #888888; }
body.mono-mode a:hover, body.mono-mode a:focus-visible {
    color: #FFFFFF !important;
    text-shadow: 0 0 8px rgba(255,255,255,0.40) !important;
    border-bottom-color: #CCCCCC !important;
}
body.mono-mode .social-links a:hover,
body.mono-mode .social-links a:focus-visible { color: #111111 !important; background: var(--bg-hover) !important; border-color: var(--bg-hover) !important; }

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

/* ── Base ─────────────────────────────────────────────────── */
body {
    font-family: var(--font-body);
    font-size: 0.88rem;
    font-weight: 400;
    color: var(--text-primary);
    background-color: var(--bg-carbon);
    overflow-x: hidden;
    transition: background-color 0.3s ease, color 0.3s ease;
}
h1, h2, h3, h4, h5, h6 { font-family: var(--font-title); font-weight: 700; }

/* ── Global links ─────────────────────────────────────────── */
a {
    font-family: var(--font-link);
    font-weight: 500;
    color: var(--crimson);
    text-decoration: none;
    border-bottom: 1.5px solid transparent;
    padding-bottom: 1px;
    transition: border-bottom-color 0.2s ease, text-shadow 0.2s ease, color 0.2s ease;
}
a:hover, a:focus-visible {
    color: var(--crimson);
    font-weight: 600;
    text-shadow: 0 0 8px rgba(255,77,77,0.45);
    border-bottom-color: var(--crimson);
    background: none;
    box-shadow: none;
    outline: none;
}
body.light-mode a:hover,
body.light-mode a:focus-visible { text-shadow: 0 0 8px rgba(184,32,0,0.35); }

/* Exclude nav + brand */
.nav-link, .nav-link:hover, .nav-link:focus-visible,
.navbar-brand, .navbar-brand:hover {
    border-bottom: none !important;
    background: transparent !important;
    box-shadow: none !important;
    text-shadow: none !important;
    font-weight: inherit !important;
    padding-bottom: 0.4rem !important;
}

.arrow-icon { display: inline-flex; align-items: center; justify-content: center; flex-shrink: 0; line-height: 1; }
.arrow-icon .fa { font-size: 0.8rem; color: inherit; }

/* ── Skip link ────────────────────────────────────────────── */
.skip-link {
    position: absolute; top: -40px; left: 0;
    background: var(--crimson); color: #fff;
    padding: 8px 16px; text-decoration: none;
    font-family: var(--font-body); font-size: 0.78rem; font-weight: 500;
    z-index: 9999; border-radius: 0 0 4px 0; transition: top 0.2s;
}
.skip-link:focus { top: 0; }

/* ── Navigation ───────────────────────────────────────────── */
.navbar {
    position: fixed; top: 0; width: 100%; z-index: 1000;
    padding: 1rem 0;
    background-color: rgba(17,17,17,0.10) !important;
    backdrop-filter: blur(6px); -webkit-backdrop-filter: blur(6px);
    transition: background-color 0.3s ease;
}
.navbar.scrolled {
    background-color: rgba(17,17,17,0.88) !important;
    backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
}
body.light-mode .navbar          { background-color: rgba(232,232,232,0.30) !important; }
body.light-mode .navbar.scrolled { background-color: rgba(232,232,232,0.92) !important; }

/* Light mode — unscrolled navbar (shown over hero image) */
body.light-mode .navbar:not(.scrolled) .navbar-brand,
body.light-mode .navbar:not(.scrolled) .nav-link { color: #FFFFFF !important; }
body.light-mode .navbar:not(.scrolled) .nav-link:hover,
body.light-mode .navbar:not(.scrolled) .nav-link:focus,
body.light-mode .navbar:not(.scrolled) .nav-link.active { color: var(--crimson-nav) !important; }
body.light-mode .navbar:not(.scrolled) .mode-button { background: rgba(255,255,255,0.15); border-color: rgba(255,255,255,0.45); color: #fff; }
body.light-mode .navbar:not(.scrolled) .mode-button.active { background: var(--crimson-nav) !important; border-color: var(--crimson-nav) !important; color: #fff !important; }
body.light-mode .navbar:not(.scrolled) .mode-label { color: rgba(255,255,255,0.75); }

.navbar-brand { font-family: var(--font-nav); font-size: 1.25rem; font-weight: 700; color: var(--text-white) !important; }
.navbar-brand:hover { color: var(--crimson) !important; }
body.light-mode .navbar.scrolled .navbar-brand       { color: var(--text-primary) !important; }
body.light-mode .navbar.scrolled .navbar-brand:hover { color: var(--crimson) !important; }

.navbar-nav { gap: 0.5rem; }
.nav-link {
    font-family: var(--font-nav); font-size: 0.8rem; font-weight: 500;
    letter-spacing: 0.04em; color: var(--text-white) !important;
    margin: 0; transition: color 0.25s ease;
    position: relative; padding-bottom: 0.4rem;
}
.nav-link::after {
    content: ''; position: absolute; bottom: 0; left: 50%; transform: translateX(-50%);
    width: 0; height: 2px; background: var(--crimson); transition: width 0.25s ease;
}
.nav-link:hover, .nav-link:focus { color: var(--crimson) !important; }
.nav-link:hover::after, .nav-link:focus::after,
.nav-link.active::after           { width: 80%; }
.nav-link.active                  { color: var(--crimson) !important; font-weight: 700; }
.nav-link:focus-visible           { outline: 2px solid var(--crimson); outline-offset: 3px; border-radius: 2px; }

body.light-mode .nav-link              { color: #2A2A2A !important; }
body.light-mode .nav-link:hover,
body.light-mode .nav-link:focus        { color: var(--crimson-nav) !important; }
body.light-mode .nav-link:hover::after, body.light-mode .nav-link:focus::after,
body.light-mode .nav-link.active::after       { background: var(--crimson-nav) !important; }
body.light-mode .nav-link.active       { color: var(--crimson-nav) !important; }

/* ── Mode selector ────────────────────────────────────────── */
.dark-mode-switch {
    display: flex; flex-direction: column; align-items: center; gap: 0.35rem;
    margin-left: 1.5rem; padding-left: 1.5rem;
    border-left: 1px solid rgba(255,255,255,0.15);
}
body.light-mode .dark-mode-switch { border-left-color: rgba(0,0,0,0.12); }
.mode-selector { display: flex; gap: 0.4rem; align-items: center; }
.mode-button {
    background: rgba(255,255,255,0.08); border: 1.5px solid var(--border);
    border-radius: 6px; cursor: pointer; transition: all 0.25s ease;
    color: #DDDDDD; font-size: 1rem;
    width: 38px; height: 38px; display: flex; align-items: center; justify-content: center;
}
.mode-button.active                     { background: var(--crimson); border-color: var(--crimson); color: #fff; font-weight: 600;}
.mode-button:hover, .mode-button:focus-visible { border-color: var(--crimson); outline: 2px solid var(--crimson); outline-offset: 2px; font-weight: 600;}
body.light-mode .mode-button            { background: rgba(0,0,0,0.05); border-color: rgba(184,32,0,0.25); color: #444; }
body.light-mode .mode-button.active     { background: var(--crimson) !important; border-color: var(--crimson) !important; color: #fff !important; font-weight: 600;}
body.mono-mode .mode-button.active      { background: var(--bg-hover) !important; border-color: var(--bg-hover) !important; color: #111111 !important; }
.mode-labels { display: flex; gap: 0.4rem; font-family: var(--font-nav); font-size: 0.58rem; font-weight: 500; letter-spacing: 0.05em; }
.mode-label  { width: 38px; text-align: center; color: #AAAAAA; }
body.light-mode .mode-label { color: #666; }

/* ── Scroll-to-top ────────────────────────────────────────── */
.home-button {
    position: fixed; bottom: 28px; right: 28px; z-index: 999;
    background: var(--crimson); color: #fff; border: none;
    width: 50px; height: 50px; border-radius: 12px; cursor: pointer;
    box-shadow: 0 4px 16px rgba(0,0,0,0.45);
    transition: background 0.3s ease, transform 0.3s ease, box-shadow 0.3s ease;
    display: flex; align-items: center; justify-content: center;
    font-size: 20px; opacity: 0; pointer-events: none;
}
.home-button.visible { opacity: 1; pointer-events: auto; }
.home-button:hover, .home-button:focus-visible {
    transform: translateY(-3px); box-shadow: 0 8px 24px rgba(0,0,0,0.5);
    outline: 3px solid var(--crimson); outline-offset: 3px; background: #e03030;
}

/* ── Buttons ──────────────────────────────────────────────── */
.btn-primary {
    font-family: var(--font-body); font-size: 0.68rem; font-weight: 500;
    letter-spacing: 0.14em; text-transform: uppercase;
    display: inline-flex; align-items: center; gap: 0.65rem;
    background: transparent; border: 2px solid var(--crimson); color: var(--crimson);
    padding: 0.62rem 1.5rem; border-radius: 50px;
    transition: background 0.25s ease, color 0.25s ease;
    cursor: pointer; text-decoration: none; white-space: nowrap;
    text-shadow: none !important;
}
.btn-primary:hover, .btn-primary:focus-visible {
    background: var(--crimson) !important; color: #fff !important;
    border-color: var(--crimson) !important;
    text-shadow: none !important; box-shadow: none !important;
    font-weight: 600 !important; outline: none;
}

/* ══════════════════════════════════════════════════════════════
   SECTIONS — base
   ══════════════════════════════════════════════════════════════ */
section {
    min-height: 100vh; padding: 6rem 0 4rem;
    position: relative; background-color: var(--bg-carbon);
    background-size: cover; background-position: center; overflow: visible;
}
#contact, #community { min-height: auto; padding: 6rem 0 2rem; overflow: visible; }

/* Background images — dark */
#portfolio  { background-image: linear-gradient(rgba(10,10,10,0.82),rgba(10,10,10,0.82)), url('https://images.unsplash.com/photo-1762380493641-bb58d65ec8a5?w=1920&q=80'); }
#education  { background-image: linear-gradient(rgba(10,10,10,0.84),rgba(10,10,10,0.84)), url('https://images.unsplash.com/photo-1762376386881-bc4a61ae94a1?w=1920&q=80'); }
#projects   { background-image: linear-gradient(rgba(10,10,10,0.82),rgba(10,10,10,0.82)), url('https://images.unsplash.com/photo-1762380543668-c7c7a08482bf?w=1920&q=80'); }
#employment { background-image: linear-gradient(rgba(10,10,10,0.82),rgba(10,10,10,0.82)), url('https://images.unsplash.com/photo-1486406146926-c627a92ad1ab?w=1920&q=80'); }
#community  { background-image: linear-gradient(rgba(10,10,10,0.80),rgba(10,10,10,0.80)), url('https://images.unsplash.com/photo-1464822759023-fed622ff2c3b?w=1920&q=80'); }
#contact    { background-image: linear-gradient(rgba(10,10,10,0.85),rgba(10,10,10,0.85)), url('https://images.unsplash.com/photo-1451187580459-43490279c0fa?w=1920&q=80'); }

/* Background images — light */
body.light-mode #portfolio  { background-image: linear-gradient(rgba(232,232,232,0.80),rgba(232,232,232,0.80)), url('https://images.unsplash.com/photo-1762380493641-bb58d65ec8a5?w=1920&q=80'); }
body.light-mode #education  { background-image: linear-gradient(rgba(232,232,232,0.80),rgba(232,232,232,0.80)), url('https://images.unsplash.com/photo-1762376386881-bc4a61ae94a1?w=1920&q=80'); }
body.light-mode #projects   { background-image: linear-gradient(rgba(232,232,232,0.80),rgba(232,232,232,0.80)), url('https://images.unsplash.com/photo-1762380543668-c7c7a08482bf?w=1920&q=80'); }
body.light-mode #employment { background-image: linear-gradient(rgba(232,232,232,0.80),rgba(232,232,232,0.80)), url('https://images.unsplash.com/photo-1486406146926-c627a92ad1ab?w=1920&q=80'); }
body.light-mode #community  { background-image: linear-gradient(rgba(232,232,232,0.78),rgba(232,232,232,0.78)), url('https://images.unsplash.com/photo-1464822759023-fed622ff2c3b?w=1920&q=80'); }
body.light-mode #contact    { background-image: linear-gradient(rgba(232,232,232,0.82),rgba(232,232,232,0.82)), url('https://images.unsplash.com/photo-1451187580459-43490279c0fa?w=1920&q=80'); }

/* Background — mono */
body.mono-mode #portfolio  { background-image: none; background-color: #161616; }
body.mono-mode #education  { background-image: none; background-color: #111111; }
body.mono-mode #projects   { background-image: none; background-color: #191919; }
body.mono-mode #employment { background-image: none; background-color: #141414; }
body.mono-mode #community  { background-image: none; background-color: #101010; }
body.mono-mode #contact    { background-image: none; background-color: #161616; }

/* ── Hero ─────────────────────────────────────────────────── */
#cover {
    display: flex; align-items: center; justify-content: center;
    text-align: center; position: relative; padding-top: 0;
}
#cover.default-bg {
    background-image: linear-gradient(rgba(0,0,0,0.55),rgba(0,0,0,0.55)),
                      url('https://images.unsplash.com/photo-1519681393784-d120267933ba?w=1920&q=80');
    background-size: cover; background-position: center;
}
body.light-mode #cover.default-bg {
    background-image: linear-gradient(rgba(0,0,0,0.28),rgba(0,0,0,0.28)),
                      url('https://images.unsplash.com/photo-1519681393784-d120267933ba?w=1920&q=80');
}
#cover .content {
    position: relative; z-index: 1;
    display: flex; flex-direction: column; align-items: center; justify-content: center; height: 100%;
}
#cover h1 {
    font-family: var(--font-title); font-size: 3.2rem; font-weight: 800;
    margin-bottom: 0; color: #fff;
    display: flex; align-items: center; gap: 1rem; flex-wrap: wrap; justify-content: center;
    letter-spacing: -0.03em; line-height: 1.1;
}
#cover h1 .sep { color: rgba(255,255,255,0.38); }
.work-para { margin-top: 25vh; text-align: center; }

#cover .btn-primary {
    background: rgba(255,255,255,0.12);
    backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px);
    border-color:var(--crimson-nav) !important; color: var(--crimson-nav) !important;
}
#cover .btn-primary:hover,
#cover .btn-primary:focus-visible {
    background: var(--crimson-nav) !important;
    backdrop-filter: none; -webkit-backdrop-filter: none;
}

body.mono-mode #cover .btn-primary {
    background: rgba(255,255,255,0.08);
    border-color: rgba(180,180,180,0.28) !important; color: #DDDDDD !important;
}
body.mono-mode #cover .btn-primary:hover,
body.mono-mode #cover .btn-primary:focus-visible {
    background: #DDDDDD !important; color: #111111 !important;
    border-color: rgba(200,200,200,0.65) !important;
}
/* ── Section titles ───────────────────────────────────────── */
.section-title {
    font-family: var(--font-nav); font-size: 1.9rem; font-weight: 600;
    letter-spacing: 0.02em; display: block;
    margin-bottom: 2.75rem; padding-bottom: 0.5rem;
    text-align: center; color: var(--crimson); line-height: 1.4;
}

/* ══════════════════════════════════════════════════════════════
   UNIFIED CARD SYSTEM
   Shared by employment, education, projects, community, portfolio.
   ══════════════════════════════════════════════════════════════ */

/* Icon containers — all three share identical sizing */
.cert-icon, .community-icon, .emp-icon {
    flex-shrink: 0; width: 2.8rem;
    display: flex; align-items: flex-start; justify-content: center; padding-top: 2px;
}
.cert-icon .fa, .community-icon .fa, .emp-icon .fa {
    font-size: 2rem; color: var(--accent);
}

/* Simple Icons logo (employment) */
.si-logo {
    width: 2rem; height: 2rem;
    filter: invert(0.75);          /* ~#BFBFBF on dark bg */
}
body.light-mode .si-logo { filter: invert(0.30); }  /* ~#4D4D4D on light bg */
body.mono-mode  .si-logo { filter: invert(0.60); }

/* Header row: icon + details side by side */
.emp-header {
    display: flex; align-items: flex-start; gap: 0.75rem; margin-bottom: 0.45rem;
}
/* Details column inside header */
.emp-details { flex: 1; min-width: 0; }

/* Title — used for role, project name, org, cert title */
.emp-role {
    font-family: var(--font-title); color: var(--accent);
    font-weight: 700; font-size: 0.88rem; letter-spacing: -0.01em;
    margin: 0 0 0.12rem; line-height: 1.3;
    display: block;
}
/* Subtitle — company, institution, client, volunteer role */
.emp-company {
    font-family: var(--font-link); font-size: 0.72rem; font-weight: 600;
    color: var(--crimson); display: block; margin-bottom: 0.1rem;
}
.emp-company a { color: inherit; }

/* Tertiary meta — dates, location, cert year, project type */
.emp-dates {
    font-family: var(--font-body); font-size: 0.64rem;
    color: var(--text-muted); display: block; margin-bottom: 0.1rem;
}
/* Body text — summary, description, details */
.emp-summary {
    font-family: var(--font-body); font-size: 0.71rem;
    line-height: 1.6; color: var(--text-muted); margin: 0;
}

/* ══════════════════════════════════════════════════════════════
   PORTFOLIO — ellipse
   ══════════════════════════════════════════════════════════════ */
.portfolio-circle {
    position: relative; width: 100%; max-width: 1000px; height: 500px; margin: 0 auto;
}

/* Shared base for both portfolio-item and portfolio-center */
.portfolio-item, .portfolio-center {
    /* button reset */
    -webkit-appearance: none; appearance: none;
    font: inherit; text-align: left; cursor: pointer;
    /* card styles */
    background: var(--bg-surface); border: 1.5px solid var(--border);
    border-radius: 10px; padding: 0.85rem 1.1rem;
    width: 220px;
    display: flex; flex-direction: column; justify-content: center;
    box-shadow: 0 2px 14px rgba(0,0,0,0.40);
    transition: all 0.3s ease;
}
.portfolio-item:hover, .portfolio-item:focus-visible,
.portfolio-center:hover, .portfolio-center:focus-visible {
    background: var(--bg-surface-alt); border-color: var(--border-hover);
    outline: 2px solid var(--crimson); outline-offset: 3px;
    box-shadow: 0 6px 28px rgba(255,77,77,0.18); z-index: 10;
}

/* Ellipse-positioned ring items */
.portfolio-item {
    position: absolute; height: auto; min-height: 80px;
    opacity: 0; transform: scale(0.85);
}
.portfolio-item.visible  { opacity: 1; transform: scale(1); }
.portfolio-item:hover, .portfolio-item:focus-visible { transform: scale(1.06); }

/* Fixed center item */
.portfolio-center {
    position: absolute; left: 50%; top: 50%;
    transform: translate(-50%, -50%);
    height: auto; min-height: 80px; z-index: 5;
}
.portfolio-center:hover, .portfolio-center:focus-visible {
    transform: translate(-50%, -50%) scale(1.06);
}


/* ── Modal ────────────────────────────────────────────────── */
.modal-content { background-color: var(--bg-surface); color: var(--text-primary); border: 1px solid var(--border); border-radius: 12px; }
.modal-title   { font-family: var(--font-title); font-weight: 700; letter-spacing: -0.01em; color: var(--accent); }
.modal-body p  { font-family: var(--font-body); font-size: 0.8rem; color: var(--text-muted); line-height: 1.75; }
.modal-content a { font-family: var(--font-link); font-weight: 600; color: var(--crimson); }
.modal-header  { border-bottom: 1px solid var(--border); }
.btn-close     { filter: invert(1); }
body.light-mode .btn-close { filter: invert(0); }
.btn-close:focus-visible   { outline: 3px solid var(--crimson); outline-offset: 2px; }

.gallery-item  { margin-bottom: 1.5rem; }
.gallery-text  { font-family: var(--font-link); font-weight: 600; color: var(--accent); margin-bottom: 0.5rem; font-size: 0.88rem; }
.gallery-image { width: 100%; height: 200px; object-fit: cover; border-radius: 8px; cursor: pointer; transition: transform 0.3s ease; }
.gallery-image:hover, .gallery-image:focus-visible { transform: scale(1.04); outline: 3px solid var(--crimson); outline-offset: 3px; }

/* ══════════════════════════════════════════════════════════════
   CARD CONTAINERS — shared hover/focus pattern
   ══════════════════════════════════════════════════════════════ */
.education-item, .community-card, .project-card {
    background: var(--bg-surface); border: 1.5px solid var(--border);
    border-radius: 10px; box-shadow: 0 2px 12px rgba(0,0,0,0.32);
    transition: background 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease,
                opacity 0.45s ease, transform 0.45s ease;
}
.education-item:hover, .education-item:focus-within,
.community-card:hover,
.project-card:hover {
    background: var(--bg-surface-alt); border-color: var(--border-hover);
    box-shadow: 0 4px 20px rgba(255,77,77,0.12);
}
body.light-mode .education-item:hover, body.light-mode .education-item:focus-within,
body.light-mode .community-card:hover,
body.light-mode .project-card:hover { box-shadow: 0 4px 20px rgba(184,32,0,0.10); }

/* ── Education grid ───────────────────────────────────────── */
.education-grid {
    display: grid; grid-template-columns: repeat(2, 1fr);
    gap: 0.65rem; max-width: 1100px; margin: 0 auto;
}
.education-item {
    padding: 0.9rem 1.25rem;
    opacity: 0; transform: translateY(16px);
}
.education-item.visible { opacity: 1; transform: translateY(0); }

/* ── Projects grid ────────────────────────────────────────── */
.projects-grid {
    display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 1.25rem; max-width: 1100px; margin: 0 auto;
}
.project-card {
    padding: 1.1rem 1.25rem;
    opacity: 0; transform: translateY(20px);
}
.project-card.visible { opacity: 1; transform: translateY(0); }

/* ══════════════════════════════════════════════════════════════
   EMPLOYMENT TIMELINE
   ══════════════════════════════════════════════════════════════ */
.timeline {
    position: relative; padding: 2rem 0; max-width: 1100px; margin: 0 auto;
}
.timeline::after {
    content: ''; position: absolute; width: 2px;
    background-color: var(--crimson); top: 0; bottom: 0;
    left: 50%; margin-left: -1px; z-index: 0; opacity: 0.35;
}
.timeline-item {
    position: relative; background-color: inherit; width: 50%;
    margin-bottom: 1.1rem; opacity: 0; transform: translateY(20px);
    transition: opacity 0.45s ease, transform 0.45s ease;
}
.timeline-item.visible { opacity: 1; transform: translateY(0); }
.timeline-item:nth-child(even) { padding: 0 36px 0 0; left: 0; }
.timeline-item:nth-child(odd)  { padding: 0 0 0 36px; left: 50%; }

.timeline-item::after {
    content: ''; position: absolute;
    width: 14px; height: 14px; right: -7px;
    background-color: var(--crimson); border: 3px solid var(--bg-carbon);
    top: 18px; border-radius: 50%; z-index: 1;
}
.timeline-item:nth-child(odd)::after { left: -7px; right: auto; }

.timeline-item:nth-child(even) .timeline-card::before {
    content: ' '; position: absolute; top: 18px; z-index: 1; right: -9px;
    border: medium solid var(--border); border-width: 8px 0 8px 9px;
    border-color: transparent transparent transparent var(--border);
}
.timeline-item:nth-child(odd) .timeline-card::before {
    content: ' '; position: absolute; top: 18px; z-index: 1; left: -9px;
    border: medium solid var(--border); border-width: 8px 9px 8px 0;
    border-color: transparent var(--border) transparent transparent;
}
.timeline-card {
    background: var(--bg-surface); border: 1.5px solid var(--border);
    border-radius: 10px; position: relative; overflow: visible;
    box-shadow: 0 2px 12px rgba(0,0,0,0.32);
    transition: border-color 0.25s ease, box-shadow 0.25s ease, background 0.25s ease;
}
.timeline-card:hover, .timeline-card:focus-within {
    background: var(--bg-surface-alt); border-color: var(--border-hover);
    box-shadow: 0 4px 20px rgba(255,77,77,0.10);
}
body.light-mode .timeline-card:hover,
body.light-mode .timeline-card:focus-within { box-shadow: 0 4px 20px rgba(184,32,0,0.08); }
.timeline-card-content { padding: 0.75rem 0.9rem; }

/* ══════════════════════════════════════════════════════════════
   COMMUNITY
   ══════════════════════════════════════════════════════════════ */
.subsection-title {
    font-family: var(--font-nav); font-size: 1.0rem; font-weight: 600;
    letter-spacing: 0.04em; color: var(--text-muted);
    margin: 2rem 0 0.85rem; text-align: center;
}
.community-grid {
    display: grid; grid-template-columns: repeat(2, 1fr);
    gap: 0.65rem; max-width: 1100px; margin: 0 auto 1rem;
}
.community-card {
    padding: 0.85rem 1rem;
    display: flex; flex-direction: column;
    opacity: 0; transform: translateY(12px);
}
.community-card.visible { opacity: 1; transform: translateY(0); }
.community-link {
    font-family: var(--font-link); font-size: 0.62rem; font-weight: 600;
    color: var(--crimson); display: inline-block; margin-top: 0.35rem;
}

/* ── Contact form ─────────────────────────────────────────── */
.contact-form .form-control,
.contact-form .form-control:focus {
    font-family: var(--font-body); font-size: 0.82rem;
    background: #F5F5F5; border: 1.5px solid rgba(255,77,77,0.40);
    color: #111; border-radius: 6px;
}
.contact-form .form-control:focus {
    box-shadow: 0 0 0 3px rgba(255,77,77,0.18);
    outline: 2px solid var(--crimson); outline-offset: 2px;
}
.contact-form .form-control::placeholder { color: #999; }
.contact-form label {
    font-family: var(--font-body); font-size: 0.72rem; font-weight: 500;
    letter-spacing: 0.05em; display: block; margin-bottom: 0.5rem; color: var(--text-primary);
}
body.light-mode .contact-form label { color: #1A1A1A; }
body.light-mode .contact-form .form-control { background: #fff; border-color: rgba(184,32,0,0.30); color: #1A1A1A; }
body.light-mode .contact-form .form-control:focus { box-shadow: 0 0 0 3px rgba(184,32,0,0.12); }
body.light-mode .contact-form .form-control::placeholder { color: #888; }

/* ── Footer ───────────────────────────────────────────────── */
footer {
    background: rgba(0,0,0,0.6); padding: 3rem 0 1rem;
    text-align: center; border-top: 1px solid var(--border);
}
body.light-mode footer { background: rgba(0,0,0,0.04); }
footer p { font-family: var(--font-body); font-size: 0.72rem; color: var(--text-muted); margin-bottom: 0.4rem; }
footer p a { font-family: var(--font-link); font-weight: 600; color: var(--crimson); }

.social-links a {
    color: var(--text-primary); font-size: 1.15rem; margin: 0 0.35rem;
    display: inline-flex; align-items: center; justify-content: center;
    width: 2rem; height: 2rem; border-radius: 7px; border: 1.5px solid transparent;
    background: transparent; flex-shrink: 0;
    transition: color 0.25s ease, background 0.25s ease, border-color 0.25s ease;
    border-bottom: none !important; padding-bottom: 0 !important; text-shadow: none !important;
}
.social-links a:hover, .social-links a:focus-visible {
    color: #fff !important; background: var(--crimson) !important;
    border-color: var(--crimson) !important;
    border-bottom: none !important; text-shadow: none !important;
    box-shadow: none !important; font-weight: normal !important; outline: none;
}

/* ── Tech tags ────────────────────────────────────────────── */
.modal-tag, .tag {
    font-family: var(--font-link); font-size: 0.6rem; font-weight: 700;
    letter-spacing: 0.08em; text-transform: uppercase;
    background: rgba(255,77,77,0.08); color: var(--crimson);
    border: 1px solid rgba(255,77,77,0.22);
    padding: 0.22rem 0.55rem; border-radius: 4px;
    display: inline-block; margin-right: 0.3rem; margin-bottom: 0.3rem;
}
body.light-mode .modal-tag, body.light-mode .tag { background: rgba(184,32,0,0.06); border-color: rgba(184,32,0,0.25); }

/* ── Fade-in ──────────────────────────────────────────────── */
.fade-in { opacity: 0; transform: translateY(30px); transition: all 0.6s ease; }
.fade-in.visible { opacity: 1; transform: translateY(0); }

/* ══════════════════════════════════════════════════════════════
   RESPONSIVE
   ══════════════════════════════════════════════════════════════ */
@media (max-width: 1050px) {
    .portfolio-circle {
        width: 100%; height: auto;
        display: grid; grid-template-columns: repeat(2, 1fr); gap: 1rem;
    }
    .portfolio-item, .portfolio-center {
        position: static !important; transform: none !important;
        width: 100%; opacity: 1 !important;
    }
    .portfolio-item:hover, .portfolio-item:focus-visible,
    .portfolio-center:hover, .portfolio-center:focus-visible { transform: none !important; }
}

@media (max-width: 992px) {
    #cover h1 { font-size: 2.2rem; gap: 0.6rem; flex-direction: column; }
    #cover h1 .sep { display: none; }
    .education-grid, .community-grid { grid-template-columns: 1fr; gap: 0.5rem; }
    .timeline::after { left: 20px; }
    .timeline-item { width: 100%; padding-left: 52px !important; padding-right: 0 !important; left: 0 !important; }
    .timeline-item::after { left: 13px; right: auto; }
    .timeline-item:nth-child(odd) .timeline-card::before,
    .timeline-item:nth-child(even) .timeline-card::before {
        left: -9px; right: auto;
        border-right: 9px solid var(--border); border-left: none;
        border-top: 7px solid transparent; border-bottom: 7px solid transparent;
    }
}

@media (max-width: 768px) {
    #cover h1 { font-size: 1.7rem; gap: 0.5rem; }
    .portfolio-circle { grid-template-columns: 1fr; }
    .projects-grid    { grid-template-columns: 1fr; }
    .gallery-image    { width: 90vw; max-width: 350px; }
}

@media (max-width: 500px) {
    #cover h1 { font-size: 1.25rem; gap: 0.2rem; }
    .work-para { margin-top: 15vh; }
    .timeline-item { padding-left: 44px !important; }
    .timeline-card-content { padding: 0.65rem 0.8rem; }
    .section-title { font-size: 1.5rem; }
}

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}