:root {
    --bg: #0a0c0f;
    --bg-surface: #111418;
    --bg-card: #161b22;
    --bg-card-hover: #1c2330;
    --border: #191f32;
    --border-accent: #30363d;
    --accent: #f59e0b;
    --accent-dim: rgba(211, 155, 23, 0.801);
    --accent-glow: rgba(247, 192, 27, 0.08);
    --accent-glow-strong: rgba(237, 206, 30, 0.15);
    --text-primary: #ecf0f4;
    --text-secondary: #dadde0;
    --text-muted: #92969b;
    --mono: 'Space Mono', monospace;
    --sans: 'DM Sans', sans-serif;
    --tag-py: #1e3a5f;
    --tag-py-text: #79c0ff;
    --tag-xl: #1a3a1a;
    --tag-xl-text: #7ee787;
    --tag-sql: #3a1a3a;
    --tag-sql-text: #d2a8ff;
    --tag-tab: #3a2a00;
    --tag-tab-text: #e3b341;
    --success: #4ade80;
    --warning: #f59e0b;
    --danger: #f87171;
}

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

html { scroll-behavior: smooth; }

body {
    background: var(--bg);
    color: var(--text-primary);
    font-family: var(--sans);
    font-size: 16px;
    line-height: 1.75;
    min-height: 100vh;
    padding: 32px 24px;
    max-width: 85%;
    margin: 0 auto;
}

/* ── GRID LINES BACKGROUND ── */
body::before {
    content: '';
    position: fixed;
    inset: 0;
    background-image:
    linear-gradient(var(--border) 1px, transparent 1px),
    linear-gradient(90deg, var(--border) 1px, transparent 1px);
    background-size: 40px 40px;
    opacity: 0.3;
    pointer-events: none;
    z-index: 0;
}

.container {
    width: 85%;
    margin: 10px auto;
    padding: 0 24px;
    position: relative;
    z-index: 1; 
}

/* ── NAV ── */
nav {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(10, 12, 15, 0.85);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
    padding: 14px 0;
}

nav .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-logo {
    font-family: var(--mono);
    font-size: 15px;
    font-weight: 600;
    color: var(--accent);
    text-decoration: none;
    letter-spacing: 0.05em;
}

.nav-logo span { color: var(--text-muted); }

.nav-links {
    display: flex;
    gap: 24px;
    list-style: none;
}

.nav-links a {
    font-family: var(--mono);
    font-size: 15px;
    font-weight: 500;
    color: var(--text-secondary);
    text-decoration: none;
    letter-spacing: 0.05em;
    transition: color 0.2s;
}

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

/* ── HERO ── */
.hero {
    padding: 80px 0 64px;
    border-bottom: 1px solid var(--border);
}

.hero-layout {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 48px;
}

.hero-left {
    display: flex;
    flex-direction: column;
    gap: 5px;
}

.hero-photo {
    flex-shrink: 0;
    width: 300px;
    height: 300px;
    border-radius: 10px;
    overflow: hidden;
    border: 1px solid var(--accent);
    position: relative;
}

.hero-photo::after {
    content: '';
    position: absolute;
    inset: 0;
    background: rgba(74, 222, 128, 0.15);
    mix-blend-mode: color;
}

.hero-photo img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    filter: grayscale(30%), contrast(1.1);
}

.hero-eyebrow {
    font-family: var(--mono);
    font-size: 15px;
    font-weight: 500;
    color: var(--accent);
    letter-spacing: 0.12em;
    text-transform: uppercase;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.hero-eyebrow::before {
    content: '';
    display: inline-block;
    width: 24px;
    height: 1px;
    background: var(--accent);
}

h1 {
    font-family: var(--mono);
    font-size: clamp(32px, 5vw, 52px);
    font-weight: 700;
    line-height: 1.15;
    letter-spacing: -0.02em;
    margin-bottom: 20px;
}

h1 .dim { color: var(--text-muted); }

.hero-bio {
    font-size: 17px;
    font-weight: 600;
    color: var(--text-secondary);
    max-width: 560px;
    margin-bottom: 32px;
    line-height: 1.75;
}

.hero-links {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    padding: 9px 18px;
    border-radius: 6px;
    font-family: var(--mono);
    font-size: 13px;
    letter-spacing: 0.04em;
    text-decoration: none;
    transition: all 0.2s;
    cursor: pointer;
    border: none;
}

.btn-primary {
    background: var(--accent);
    color: #0a0c0f;
    font-weight: 600;
}

.btn-primary:hover {
    background: var(--accent-dim);
    transform: translateY(-1px);
}

.btn-outline {
    background: transparent;
    color: var(--text-secondary);
    border: 1px solid var(--border-accent);
}

.btn-outline:hover {
    border-color: var(--accent);
    color: var(--accent);
    background: var(--accent-glow);
}

/* ── SECTION HEADERS ── */
.section {
    padding: 64px 0;
    border-bottom: 1px solid var(--border);
}

.section-header {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 40px;
}

.section-label {
    font-family: var(--mono);
    font-size: 11px;
    color: var(--text-muted);
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

.section-title {
    font-family: var(--mono);
    font-size: 22px;
    font-weight: 700;
    color: var(--text-primary);
}

.section-line {
    flex: 1;
    height: 1px;
    background: var(--border);
}

/* ── PROJECT CARDS ── */
.projects-grid {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.project-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 28px 32px;
    transition: all 0.25s;
    position: relative;
    overflow: hidden;
}

.project-card::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 3px;
    background: var(--accent-dim);
    opacity: 0;
    transition: opacity 0.25s;
}

.project-card:hover {
    background: var(--bg-card-hover);
    border-color: var(--border-accent);
    transform: translateX(4px);
}

.project-card:hover::before { opacity: 1; }

.project-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 16px;
    margin-bottom: 12px;
    flex-wrap: wrap;
}

.project-org {
    font-family: var(--mono);
    font-size: 13px;
    color: var(--accent);
    letter-spacing: 0.08em;
    text-transform: uppercase;
    margin-bottom: 6px;
}

.project-title {
    font-family: var(--mono);
    font-size: 18px;
    font-weight: 700;
    color: var(--text-primary);
}

.project-title-link {
    color: var(--text-primary);
    text-decoration: none;
    border-bottom: 1px solid transparent;
    transition: all 0.15s;
}

.project-links {
    display: flex;
    gap: 10px;
    flex-shrink: 0;
}

.project-link {
    font-family: var(--mono);
    font-size: 13px;
    color: var(--text-secondary);
    text-decoration: none;
    border: 1px solid var(--border-accent);
    padding: 5px 12px;
    border-radius: 4px;
    transition: all 0.15s;
    letter-spacing: 0.04em;
}

.project-link:hover {
    color: var(--accent);
    border-color: var(--accent);
    background: var(--accent-glow);
}

.project-link.disabled {
    opacity: 0.35;
    pointer-events: none;
}

.project-desc {
    color: var(--text-secondary);
    font-size: 15px;
    font-weight: 500;
    line-height: 1.75;
    margin-bottom: 20px;
}

/* ── IMPACT METRICS ── */
.impact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
    gap: 12px;
    margin-bottom: 20px;
}

.impact-stat {
    background: var(--accent-glow);
    border: 1px var(--accent-dim) solid;
    border-radius: 6px;
    padding: 8px 14px;
    text-align: center;
}

.impact-number {
    font-family: var(--mono);
    font-size: 20px;
    font-weight: 700;
    color: var(--accent);
    display: block;
}

.impact-label {
    font-size: 12px;
    color: var(--text-muted);
    line-height: 1.4;
    margin-top: 2px;
}

/* ── BULLETS ── */
.project-bullets {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 6px;
    margin-bottom: 20px;
}

.project-bullets li {
    font-size: 15px;
    color: var(--text-secondary);
    padding-left: 18px;
    position: relative;
    line-height: 1.6;
}

.project-bullets li::before {
    content: '›';
    position: absolute;
    left: 0;
    color: var(--accent);
    font-family: var(--mono);
}

/* ── TAGS ── */
.tag-row {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.tag {
    font-family: var(--mono);
    font-size: 12px;
    padding: 4px 10px;
    border-radius: 4px;
    letter-spacing: 0.04em;
}

.tag-python { background: var(--tag-py); color: var(--tag-py-text); }
.tag-excel  { background: var(--tag-xl); color: var(--tag-xl-text); }
.tag-sql    { background: var(--tag-sql); color: var(--tag-sql-text); }
.tag-tableau{ background: var(--tag-tab); color: var(--tag-tab-text); }
.tag-default{ background: #1c2330; color: #8b949e; border: 1px solid #30363d; }

/* ── SKILLS ── */
.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: 10px;
}

.skill-item {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 6px;
    padding: 10px 14px;
    font-family: var(--mono);
    font-size: 12px;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 8px;
    transition: all 0.15s;
}

.skill-item:hover {
    border-color: var(--accent-dim);
    color: var(--text-primary);
    background: var(--accent-glow);
}

.skill-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--accent);
    flex-shrink: 0;
}

/* ── CONTACT ── */
.contact-row {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 10px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 6px;
    padding: 12px 18px;
    font-family: var(--mono);
    font-size: 13px;
    color: var(--text-secondary);
    text-decoration: none;
    transition: all 0.2s;
}

.contact-item:hover {
    border-color: var(--accent);
    color: var(--accent);
    background: var(--accent-glow);
}

/* ── FOOTER ── */
footer {
    padding: 32px 0;
    text-align: center;
}

footer p {
    font-family: var(--mono);
    font-size: 11px;
    color: var(--text-muted);
    letter-spacing: 0.06em;
}

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

/* ── ANIMATIONS ── */
@keyframes fadeUp {
    from { opacity: 0; transform: translateY(16px); }
    to   { opacity: 1; transform: translateY(0); }
}

.hero > .container > * {
    animation: fadeUp 0.5s ease both;
}

.hero > .container > *:nth-child(1) { animation-delay: 0.05s; }
.hero > .container > *:nth-child(2) { animation-delay: 0.15s; }
.hero > .container > *:nth-child(3) { animation-delay: 0.25s; }
.hero > .container > *:nth-child(4) { animation-delay: 0.35s; }

@media (max-width: 768px) {
    .project-card { padding: 20px; }
    .nav-links { gap: 14px; }
    h1 { font-size: 28px; }
}

/* ── PRIORITIZATION TOOL ── */

.tool-header { margin-bottom: 28px; }

.tool-eyebrow {
    font-family: var(--mono);
    font-size: 13px;
    font-weight: 500;
    color: var(--accent);
    letter-spacing: 0.1em;
    text-transform: uppercase;
    position: relative;
    margin-bottom: 6px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.tool-eyebrow::before {
    content: '';
    display: inline-block;
    width: 18px;
    height: 1px;
    background: var(--accent);
}

.tool-title {
    font-family: var(--mono);
    font-size: 22px;
    font-weight: 700;
    position: relative;
    color: var(--text-primary);
    margin-bottom: 6px;
}

.tool-desc { font-size: 15px; color: var(--text-secondary); position: relative; }

.tabs {
    display: flex;
    border-bottom: 1px solid var(--border);
    margin-bottom: 24px;
    position: relative;
}

.tab {
    padding: 10px 20px;
    font-family: var(--mono);
    font-size: 13px;
    color: var(--text-muted);
    cursor: pointer;
    border-bottom: 2px solid transparent;
    margin-bottom: -1px;
    transition: all 0.15s;
    letter-spacing: 0.04em;
    position: relative;
}

.tab.active { color: var(--accent); border-bottom-color: var(--accent); }

.tab:hover:not(.active) { color: var(--text-secondary); }

.panel { display: none; }
.panel.active { display: block; }

.sec-label {
    font-family: var(--mono);
    font-size: 13px;
    color: var(--text-secondary);
    letter-spacing: 0.1em;
    text-transform: uppercase;
    margin-bottom: 12px;
    position: relative;
}
.sec-label span {
    font-family: var(--sans);
    font-size: 13px;
    color: var(--text-secondary);
    position: relative;
    text-transform: none;
    letter-spacing: 0;
    font-weight: 400;
}

.fgrid { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin-bottom: 12px; }
.fgrid.full { grid-template-columns: 1fr; }

.field {
    background: var(--bg-card);
    border: 1px solid var(--border);
    position: relative;
    border-radius: 8px;
    padding: 12px 14px;
}
.field label {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    position: relative;
    font-size: 15px;
    color: var(--text-secondary);
    margin-bottom: 7px;
    font-weight: 500;
}
.field label .wt {
    font-size: 12px;
    color: var(--text-muted);
    font-weight: 400;
    position: relative;
    font-family: var(--mono);
}
.field select,
.field input[type=number] {
    width: 100%;
    font-size: 15px;
    background: var(--bg);
    color: var(--text-primary);
    border: 1px solid var(--border-accent);
    border-radius: 6px;
    padding: 8px 10px;
    position: relative;
    font-family: var(--sans);
    appearance: none;
    -webkit-appearance: none;
}
.field select:focus,
.field input:focus {
    outline: none;
    border-color: var(--accent-dim);
}

.divider { height: 1px; background: var(--border); margin: 16px 0; }

.skills-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 6px;
    position: relative;
    margin-top: 4px;
}
.skill-check {
    display: flex;
    align-items: center;
    gap: 8px;
    position: relative;
    font-size: 12px;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 7px 10px;
    border-radius: 6px;
    border: 1px solid var(--border);
    transition: all 0.15s;
    background: var(--bg-card);
    user-select: none;
}

.skill-check input {
  display: none;
}

.skill-check:has(input:checked) {
  background: var(--accent-glow);
  border-color: var(--accent);
}

.skill-check:has(input:checked) .dot {
  background: var(--accent);
}

.skill-check:hover { border-color: var(--border-accent); color: var(--text-primary); }
.skill-check.checked { border-color: var(--accent-dim); color: var(--text-primary); background: var(--accent-glow); }
.skill-check input { display: none; }
.dot {
    width: 7px; height: 7px;
    border-radius: 50%;
    border: 1.5px solid var(--border-accent);
    flex-shrink: 0;
    transition: all 0.15s;
}
.skill-check.checked .dot { background: var(--accent); border-color: var(--accent); }

.next-btn {
    width: 100%;
    padding: 11px;
    font-family: var(--mono);
    font-size: 13px;
    font-weight: 700;
    letter-spacing: 0.05em;
    cursor: pointer;
    position: relative;
    border-radius: 8px;
    border: 1px solid var(--border-accent);
    background: transparent;
    color: var(--text-secondary);
    transition: all 0.2s;
    margin-top: 6px;
}
.next-btn:hover {
    border-color: var(--accent);
    color: var(--accent);
    background: var(--accent-glow);
}

/* Results */
.trio {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 10px;
    margin-bottom: 20px;
}
.scard {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 14px 12px;
    text-align: center;
}
.scard.ratio-card { border-color: var(--accent-dim); background: var(--accent-glow); }
.scard .slabel {
    font-family: var(--mono);
    font-size: 13px;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: 8px;
}
.scard .snum {
    font-family: var(--mono);
    font-size: 26px;
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1;
}
.scard.ratio-card .snum { color: var(--accent); }
.scard .ssub { font-size: 11px; color: var(--text-muted); margin-top: 4px; }

.verdict {
    display: inline-block;
    padding: 6px 16px;
    border-radius: 20px;
    font-family: var(--mono);
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.05em;
    margin-bottom: 20px;
}
.v-take { background: rgba(74,222,128,0.15); color: var(--success); border: 1px solid rgba(74,222,128,0.3); }
.v-review { background: rgba(245,158,11,0.12); color: var(--warning); border: 1px solid rgba(245,158,11,0.3); }
.v-pass { background: rgba(248,113,113,0.12); color: var(--danger); border: 1px solid rgba(248,113,113,0.3); }

.breakdown-label {
    font-family: var(--mono);
    font-size: 12px;
    color: var(--text-muted);
    letter-spacing: 0.1em;
    text-transform: uppercase;
    margin-bottom: 10px;
}
.bar-row { display: flex; align-items: center; gap: 10px; margin-bottom: 8px; }
.bar-lbl { font-size: 12px; color: var(--text-secondary); width: 140px; flex-shrink: 0; }
.bar-track { flex: 1; height: 4px; background: var(--border); border-radius: 2px; overflow: hidden; }
.bar-fill { height: 100%; border-radius: 2px; transition: width 0.45s ease; }
.bf-i { background: var(--success); }
.bf-c { background: var(--danger); }
.bar-val { font-family: var(--mono); font-size: 11px; color: var(--text-muted); width: 38px; text-align: right; }
.bar-section-gap { height: 12px; }

.formula-note {
    font-size: 14px;
    color: var(--text-muted);
    border-top: 1px solid var(--border);
    padding-top: 12px;
    margin-top: 12px;
    line-height: 1.7;
    font-family: var(--mono);
}
.reset {
    font-size: 13px;
    color: var(--text-muted);
    cursor: pointer;
    text-decoration: underline;
    margin-top: 14px;
    display: inline-block;
    font-family: var(--mono);
}
.reset:hover { color: var(--text-secondary); }

@media (max-width: 768px) {
    .hero-layout { flex-direction: column-reverse; gap: 24px; }
    .hero-photo { width: 140px; height: 140px; }
    .fgrid { grid-template-columns: 1fr; }
    .skills-grid { grid-template-columns: 1fr; }
    .trio { grid-template-columns: 1fr; }
    .tab { padding: 10px 12px; font-size: 11px; }
}