/* ═══════════════════════════════════════════════
   SAMUEL DECARNELLE — PORTFOLIO
   style.css
   ═══════════════════════════════════════════════ */

/* ── THEME VARIABLES ─────────────────────────── */
:root {
    --bg:             #0d0f10;
    --bg-secondary:   #111416;
    --bg-card:        #161a1d;
    --border:         #1e2428;
    --text:           #cccccc;
    --text-bright:    #ffffff;
    --text-muted:     #555f6b;
    --accent:         #00aaff;
    --accent-dim:     rgba(0, 170, 255, 0.08);
    --accent-hover:   #33bbff;
    --red:            #ff5f57;
    --yellow:         #febc2e;
    --green:          #28c840;
    --blue:           #4fc3f7;
    --transition:     0.3s ease;
    --font-mono:      'JetBrains Mono', 'Courier New', monospace;
    --font-sans:      'Inter', sans-serif;
    --radius:         4px;
    --max-width:      1100px;
}

body.light {
    --bg:             #f4f4f4;
    --bg-secondary:   #ffffff;
    --bg-card:        #ebebeb;
    --border:         #d0d0d0;
    --text:           #333333;
    --text-bright:    #000000;
    --text-muted:     #888888;
    --accent:         #0077cc;
    --accent-dim:     rgba(0, 119, 204, 0.08);
    --accent-hover:   #0055aa;
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
    overflow-x: hidden;
}

body {
    background-color: var(--bg);
    color: var(--text);
    font-family: var(--font-mono);
    line-height: 1.7;
    overflow-x: hidden;
    transition:
        background-color var(--transition),
        color var(--transition);
}

a {
    color: var(--accent);
    text-decoration: none;
    transition: color var(--transition);
}

a:hover { color: var(--accent-hover); }

ul { list-style: none; }

img { max-width: 100%; }

/* ── CONTAINERS ──────────────────────────────── */
.container {
    max-width:  var(--max-width);
    margin:     0 auto;
    padding:    0 2rem;
    overflow-x: hidden;
    box-sizing: border-box;
}

section {
    padding: 6rem 0;
    border-bottom: 1px solid var(--border);
}

/* ── TYPOGRAPHY ──────────────────────────────── */
.section-title {
    font-family: var(--font-mono);
    font-size: clamp(1.2rem, 3vw, 1.6rem);
    color: var(--accent);
    margin-bottom: 0.5rem;
    font-weight: 500;
}

.section-subtitle {
    color: var(--text-muted);
    margin-bottom: 3rem;
    font-size: 0.95rem;
}

/* ── CURSOR ──────────────────────────────────── */
.cursor-blink {
    animation: blink 1.1s step-end infinite;
    color: var(--accent);
}

@keyframes blink {
    0%, 100% { opacity: 1; }
    50%       { opacity: 0; }
}

/* ── NAVBAR ──────────────────────────────────── */
#navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background-color: var(--bg);
    border-bottom: 1px solid var(--border);
    transition: background-color var(--transition);
}

.nav-inner {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 2rem;
    height: 60px;
    display: flex;
    align-items: center;
    gap: 2rem;
}

.nav-logo {
    color: var(--accent);
    font-weight: 700;
    font-size: 0.95rem;
    flex-shrink: 0;
}

.nav-links {
    display: flex;
    gap: 0.25rem;
    flex: 1;
}

.nav-links a {
    color: var(--text-muted);
    font-size: 0.85rem;
    padding: 0.25rem 0.5rem;
    border-radius: var(--radius);
    transition: color var(--transition), background-color var(--transition);
}

.nav-links a:hover {
    color: var(--accent);
    background-color: var(--accent-dim);
}

#theme-toggle {
    background: none;
    border: 1px solid var(--border);
    color: var(--text-muted);
    font-family: var(--font-mono);
    font-size: 0.8rem;
    padding: 0.3rem 0.7rem;
    border-radius: var(--radius);
    cursor: pointer;
    transition: all var(--transition);
    flex-shrink: 0;
}

#theme-toggle:hover {
    border-color: var(--accent);
    color: var(--accent);
}

#burger {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.25rem;
    flex-shrink: 0;
}

#burger span {
    display: block;
    width: 22px;
    height: 2px;
    background-color: var(--text);
    transition: all var(--transition);
}

/* ── TERMINAL COMPONENT (shared base) ────────── */
.terminal-bar {
    background-color: var(--bg-secondary);
    border:           1px solid var(--border);
    border-bottom:    none;
    border-radius:    var(--radius) var(--radius) 0 0;
    padding:          0.5rem 1rem;
    display:          flex;
    align-items:      center;
    gap:              0.4rem;
    width:            100%;
    min-width:        0;
    overflow:         hidden;
    box-sizing:       border-box;
    flex-shrink:      0;
}

.t-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    flex-shrink: 0;
}

.t-dot.red    { background-color: var(--red); }
.t-dot.yellow { background-color: var(--yellow); }
.t-dot.green  { background-color: var(--green); }

.t-title {
    color:          var(--text-muted);
    font-size:      0.8rem;
    margin-left:    0.5rem;
    overflow:       hidden;
    text-overflow:  ellipsis;
    white-space:    nowrap;
    min-width:      0;
}

/* ── HERO ────────────────────────────────────── */
#hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 8rem 0 4rem;
}

/*
 * The outermost terminal shell.
 * Its width is the single source of truth for the entire terminal.
 * Nothing inside can ever make it grow.
 */
.hero-terminal {
    width:          100%;
    max-width:      860px;
    min-width:      0;
    margin:         0 auto 2rem;
    display:        flex;
    flex-direction: column;
    overflow:       hidden;
    box-sizing:     border-box;
    flex-shrink:    0;
    flex-grow:      0;
}

/* ── TERMINAL WRAPPER ────────────────────────── */
#hero-terminal {
    width:     min(860px, 90vw);
    min-width: min(860px, 90vw);
}


/*
 * The scrollable content area.
 * Height is locked on three axes: min, max, and explicit.
 * Width is always 100% of .hero-terminal, never of its content.
 */
.terminal-body {
    background-color: var(--bg-card);
    border:           1px solid var(--border);
    border-radius:    0 0 var(--radius) var(--radius);
    padding:          1.5rem;

    height:           340px;
    min-height:       340px;
    max-height:       340px;

    width:            100%;
    min-width:        0;
    max-width:        100%;
    box-sizing:       border-box;

    overflow-y:       auto;
    overflow-x:       hidden;

    scrollbar-width:  thin;
    scrollbar-color:  var(--border) transparent;
}

.terminal-body::-webkit-scrollbar       { width: 4px; }
.terminal-body::-webkit-scrollbar-track { background: transparent; }
.terminal-body::-webkit-scrollbar-thumb {
    background-color: var(--border);
    border-radius:    2px;
}

/*
 * The inner flex column that stacks all output lines.
 * min-height: 100% keeps the input line at the bottom
 * even when there is very little content.
 * width: 100% + overflow: hidden is the inner guard against
 * horizontal escape.
 */
#hero-terminal-body {
    display:        flex;
    flex-direction: column;
    min-height:     100%;
    width:          100%;
    min-width:      0;
    overflow:       hidden;
    box-sizing:     border-box;
}

/* ── CERTIFICATIONS TERMINAL — separate fixed height ── */
#cert-body {
    height:           340px;
    min-height:       340px;
    max-height:       340px;
    width:            100%;
    min-width:        0;
    box-sizing:       border-box;
    overflow-y:       auto;
    overflow-x:       hidden;
    background-color: var(--bg-card);
    border:           1px solid var(--border);
    border-radius:    0 0 var(--radius) var(--radius);
    padding:          1.5rem;
    scrollbar-width:  thin;
    scrollbar-color:  var(--border) transparent;
}

#cert-body::-webkit-scrollbar       { width: 4px; }
#cert-body::-webkit-scrollbar-track { background: transparent; }
#cert-body::-webkit-scrollbar-thumb {
    background-color: var(--border);
    border-radius:    2px;
}


/* ── TERMINAL OUTPUT LINES ───────────────────── */
.t-line {
    font-size:     0.9rem;
    color:         var(--text-muted);
    margin-bottom: 0.25rem;
    word-break:    break-word;
    overflow-wrap: break-word;
    white-space:   pre-wrap;
    width:         100%;
    min-width:     0;
    box-sizing:    border-box;
    overflow-x:    hidden;
    display:       block;
}

.t-output {
    color:         var(--text);
    margin-bottom: 0.5rem;
    padding-left:  1.2rem;
    word-break:    break-word;
    overflow-wrap: break-word;
    white-space:   pre-wrap;
    width:         100%;
    min-width:     0;
    box-sizing:    border-box;
    overflow-x:    hidden;
    display:       block;
}

.t-error {
    color:         var(--red);
    margin-bottom: 0.25rem;
    word-break:    break-word;
    white-space:   pre-wrap;
    width:         100%;
    min-width:     0;
    box-sizing:    border-box;
    overflow-x:    hidden;
    display:       block;
}

.t-success {
    color:         var(--green);
    margin-bottom: 0.25rem;
    word-break:    break-word;
    white-space:   pre-wrap;
    width:         100%;
    min-width:     0;
    box-sizing:    border-box;
    overflow-x:    hidden;
    display:       block;
}

/* ── TERMINAL INPUT LINE ─────────────────────── */
.terminal-input-line {
    display:     flex;
    align-items: center;
    gap:         0.6rem;
    padding-top: 0.4rem;
    margin-top:  auto;
    width:       100%;
    min-width:   0;
    box-sizing:  border-box;
    overflow:    hidden;
    flex-shrink: 0;
}

.t-prompt {
    color:       var(--accent);
    flex-shrink: 0;
}

/*
 * The input field is the most critical element.
 * flex: 1 allows it to fill the remaining row width.
 * width: 0 is mandatory: without it, an empty input
 * sizes itself to its placeholder and pushes every
 * ancestor wider. With width: 0, it starts at zero
 * and only grows via flex into the space already available.
 */
#terminal-input {
    background:  transparent;
    border:      none;
    outline:     none;
    color:       var(--text);
    font-family: var(--font-mono);
    font-size:   0.88rem;
    caret-color: var(--accent);
    flex:        1;
    width:       0;
    min-width:   0;
    box-sizing:  border-box;
}

/* ── LS OUTPUT GRID ──────────────────────────── */
.t-ls-grid {
    display:       flex;
    flex-wrap:     wrap;
    gap:           0.25rem 1.5rem;
    padding-left:  1.2rem;
    margin-bottom: 0.5rem;
    width:         100%;
    min-width:     0;
    box-sizing:    border-box;
    overflow:      hidden;
}

.t-ls-item {
    font-family: var(--font-mono);
    font-size:   0.88rem;
    white-space: nowrap;
}

/* ── BUTTONS ─────────────────────────────────── */
.btn-primary {
    display:       inline-block;
    padding:       0.6rem 1.2rem;
    border:        1px solid var(--accent);
    color:         var(--accent);
    font-family:   var(--font-mono);
    font-size:     0.85rem;
    border-radius: var(--radius);
    transition:    all var(--transition);
}

.btn-primary:hover {
    background-color: var(--accent);
    color:            var(--bg);
}

.btn-secondary {
    display:       inline-block;
    padding:       0.6rem 1.2rem;
    border:        1px solid var(--border);
    color:         var(--text-muted);
    font-family:   var(--font-mono);
    font-size:     0.85rem;
    border-radius: var(--radius);
    transition:    all var(--transition);
}

.btn-secondary:hover {
    border-color: var(--accent);
    color:        var(--accent);
}

/* ── ABOUT ───────────────────────────────────── */
.about-grid {
    display:               grid;
    grid-template-columns: 1fr 280px;
    gap:                   4rem;
    align-items:           start;
}

.about-text p {
    margin-bottom: 1.25rem;
    font-family:   var(--font-sans);
    color:         var(--text);
    font-size:     0.95rem;
}

.about-stats {
    display:               grid;
    grid-template-columns: 1fr 1fr;
    gap:                   1rem;
}

.stat-card {
    background-color: var(--bg-card);
    border:           1px solid var(--border);
    border-radius:    var(--radius);
    padding:          1.25rem;
    text-align:       center;
    transition:       border-color var(--transition);
}

.stat-card:hover { border-color: var(--accent); }

.stat-number {
    display:     block;
    font-size:   2rem;
    font-weight: 700;
    color:       var(--accent);
}

.stat-label {
    display:    block;
    font-size:  0.75rem;
    color:      var(--text-muted);
    margin-top: 0.25rem;
}

/* ── HOMELAB ─────────────────────────────────── */
#homelab { background-color: var(--bg-secondary); }

.diagram-block {
    margin-bottom: 3rem;
}

.diagram-content {
    background-color: var(--bg-card);
    border:           1px solid var(--border);
    border-radius:    0 0 var(--radius) var(--radius);
    padding:          1.5rem;
    font-size:        0.78rem;
    color:            var(--text);
    overflow-x:       auto;
    line-height:      1.6;
}

.homelab-zones {
    display:               grid;
    grid-template-columns: repeat(3, 1fr);
    gap:                   1rem;
    margin-bottom:         2.5rem;
}

.zone-card {
    background-color: var(--bg-card);
    border:           1px solid var(--border);
    border-radius:    var(--radius);
    padding:          1.25rem;
    transition:       border-color var(--transition), transform var(--transition);
}

.zone-card:hover {
    border-color: var(--accent);
    transform:    translateY(-2px);
}

.zone-label {
    display:       block;
    color:         var(--accent);
    font-size:     0.8rem;
    font-weight:   700;
    margin-bottom: 0.75rem;
}

.zone-card p {
    font-size:   0.82rem;
    color:       var(--text-muted);
    line-height: 1.6;
}

.homelab-cta {
    text-align: center;
}

/* ── PROJECTS ────────────────────────────────── */
.filter-bar {
    display:       flex;
    gap:           0.5rem;
    flex-wrap:     wrap;
    margin-bottom: 2rem;
}

.filter-btn {
    background:    none;
    border:        1px solid var(--border);
    color:         var(--text-muted);
    font-family:   var(--font-mono);
    font-size:     0.8rem;
    padding:       0.3rem 0.75rem;
    border-radius: var(--radius);
    cursor:        pointer;
    transition:    all var(--transition);
}

.filter-btn:hover,
.filter-btn.active {
    border-color:     var(--accent);
    color:            var(--accent);
    background-color: var(--accent-dim);
}

.projects-grid {
    display:               grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap:                   1rem;
}

.project-card {
    background-color: var(--bg-card);
    border:           1px solid var(--border);
    border-radius:    var(--radius);
    padding:          1.5rem;
    transition:       border-color var(--transition), transform var(--transition);
    display:          flex;
    flex-direction:   column;
    gap:              0.75rem;
}

.project-card:hover {
    border-color: var(--accent);
    transform:    translateY(-2px);
}

.project-card-header {
    display:         flex;
    justify-content: space-between;
    align-items:     flex-start;
    gap:             1rem;
}

.project-name {
    color:       var(--text-bright);
    font-size:   0.95rem;
    font-weight: 500;
}

.project-status {
    font-size:     0.72rem;
    padding:       0.15rem 0.4rem;
    border-radius: var(--radius);
    flex-shrink:   0;
    border:        1px solid;
}

.status-active    { color: var(--accent);     border-color: var(--accent); }
.status-completed { color: var(--green);      border-color: var(--green);  }
.status-planned   { color: var(--text-muted); border-color: var(--border); }

.project-summary {
    font-size:   0.83rem;
    color:       var(--text-muted);
    line-height: 1.6;
    flex:        1;
}

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

.project-tag {
    font-size:     0.72rem;
    color:         var(--text-muted);
    border:        1px solid var(--border);
    padding:       0.1rem 0.4rem;
    border-radius: var(--radius);
}

.project-link {
    font-size:  0.8rem;
    color:      var(--accent);
    align-self: flex-start;
}

/* ── SKILLS ──────────────────────────────────── */
.skills-grid {
    display:               grid;
    grid-template-columns: repeat(3, 1fr);
    gap:                   1.5rem;
}

.skill-category {
    background-color: var(--bg-card);
    border:           1px solid var(--border);
    border-radius:    var(--radius);
    padding:          1.5rem;
    transition:       border-color var(--transition);
}

.skill-category:hover { border-color: var(--accent); }

.skill-cat-title {
    color:         var(--accent);
    font-size:     0.85rem;
    font-weight:   600;
    margin-bottom: 1rem;
    font-family:   var(--font-mono);
}

.skill-list li {
    font-size:     0.82rem;
    color:         var(--text);
    padding:       0.3rem 0;
    border-bottom: 1px solid var(--border);
}

.skill-list li:last-child { border-bottom: none; }

.skill-list li::before {
    content: '> ';
    color:   var(--accent);
}

/* ── CERTIFICATIONS ──────────────────────────── */
.cert-terminal {
    width:          min(860px, 90vw);
    min-width:      min(860px, 90vw);
    max-width:      min(860px, 90vw);
    margin:         0 auto;
    display:        flex;
    flex-direction: column;
    overflow:       hidden;
    box-sizing:     border-box;
}

/* ── CONTACT ─────────────────────────────────── */
.contact-grid {
    max-width: 600px;
}

.contact-line {
    display:       flex;
    align-items:   center;
    gap:           1rem;
    padding:       0.9rem 0;
    border-bottom: 1px solid var(--border);
    color:         var(--text);
    transition:    color var(--transition);
}

.contact-line:hover { color: var(--accent); }

.contact-prompt {
    color:       var(--accent);
    flex-shrink: 0;
}

.contact-label {
    color:       var(--text-muted);
    font-size:   0.85rem;
    width:       80px;
    flex-shrink: 0;
}

.contact-value {
    font-size: 0.85rem;
}

/* ── FOOTER ──────────────────────────────────── */
#footer {
    padding:       2rem 0;
    text-align:    center;
    border-bottom: none;
}

#footer p {
    color:     var(--text-muted);
    font-size: 0.8rem;
}

/* ── RESPONSIVE ──────────────────────────────── */
@media (max-width: 900px) {
    .about-grid    { grid-template-columns: 1fr; }
    .homelab-zones { grid-template-columns: repeat(2, 1fr); }
    .skills-grid   { grid-template-columns: repeat(2, 1fr); }
    .nav-links     { display: none; }
    #burger        { display: flex; }
}

@media (max-width: 600px) {
    .homelab-zones   { grid-template-columns: 1fr; }
    .skills-grid     { grid-template-columns: 1fr; }
    .about-stats     { grid-template-columns: repeat(2, 1fr); }
    .hero-cta        { flex-direction: column; }
    .diagram-content { font-size: 0.65rem; }

    .terminal-body {
        height:     280px;
        min-height: 280px;
        max-height: 280px;
    }
    #cert-body {
        height:     280px;
        min-height: 280px;
        max-height: 280px;
    }
}

/* ── SCROLL REVEAL ───────────────────────────── */
.reveal {
    opacity:    0;
    transform:  translateY(20px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal.visible {
    opacity:   1;
    transform: translateY(0);
}

/* ── BURGER MENU OPEN STATE ──────────────────── */
@media (max-width: 900px) {
    .nav-links.open {
        display:          flex;
        flex-direction:   column;
        position:         absolute;
        top:              60px;
        left:             0;
        right:            0;
        background-color: var(--bg);
        border-bottom:    1px solid var(--border);
        padding:          1rem 2rem;
        gap:              0.5rem;
        z-index:          999;
    }
}

/* ── ACTIVE NAV LINK ─────────────────────────── */
.nav-links a.active-link {
    color:            var(--accent);
    background-color: var(--accent-dim);
}