/* ================================================================
   Project Detail Page — extiende styles.css (dark/tech theme)
   ================================================================ */

body.project-page {
    font-family: 'Space Grotesk', 'Inter', system-ui, sans-serif;
    background: var(--bg-0);
    color: var(--text-1);
    margin: 0;
    max-width: none;
    padding: 0;
}

.proj-nav {
    position: sticky;
    top: 0;
    z-index: 50;
    background: rgba(7, 9, 15, 0.7);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border-bottom: 1px solid var(--border);
    padding: .9rem 0;
}

.proj-nav-inner {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 1.5rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    flex-wrap: wrap;
}

.proj-back {
    display: inline-flex;
    align-items: center;
    gap: .5rem;
    color: var(--text-1);
    text-decoration: none;
    font-weight: 500;
    font-size: .92rem;
    padding: 8px 14px;
    border-radius: 8px;
    border: 1px solid var(--border);
    background: rgba(255, 255, 255, 0.02);
    transition: all .25s ease;
}
.proj-back:hover {
    color: var(--accent);
    border-color: var(--accent);
    background: rgba(0, 229, 255, 0.06);
    transform: translateX(-2px);
}

.proj-nav-links { display: flex; gap: .5rem; align-items: center; flex-wrap: wrap; }
.proj-nav-links a {
    color: var(--text-2);
    text-decoration: none;
    font-size: .85rem;
    padding: 6px 12px;
    border-radius: 6px;
    transition: color .2s ease, background .2s ease;
}
.proj-nav-links a:hover { color: var(--accent); background: rgba(0, 229, 255, 0.06); }

/* Hero */
.proj-hero {
    position: relative;
    padding: 4rem 1.5rem 3rem;
    overflow: hidden;
    border-bottom: 1px solid var(--border);
}

.proj-hero::before {
    content: "";
    position: absolute;
    inset: 0;
    background:
        radial-gradient(800px 400px at 80% 20%, rgba(0, 229, 255, 0.12), transparent 60%),
        radial-gradient(700px 400px at 15% 80%, rgba(124, 255, 0, 0.08), transparent 60%);
    pointer-events: none;
}

.proj-hero-inner {
    max-width: 1100px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

.proj-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: .5rem;
    padding: 5px 12px;
    border-radius: 999px;
    background: rgba(0, 229, 255, 0.08);
    border: 1px solid rgba(0, 229, 255, 0.3);
    color: var(--accent);
    font-size: .72rem;
    font-weight: 700;
    letter-spacing: .15em;
    text-transform: uppercase;
    margin-bottom: 1.25rem;
}

.proj-title {
    font-size: clamp(2rem, 4.5vw, 3.4rem);
    font-weight: 700;
    color: var(--text-0);
    line-height: 1.1;
    letter-spacing: -0.02em;
    margin: 0 0 1.25rem;
}
.proj-title .accent {
    background: linear-gradient(110deg, var(--accent), var(--accent-2));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.proj-lead {
    font-size: 1.1rem;
    color: var(--text-2);
    max-width: 760px;
    line-height: 1.65;
    margin: 0 0 2rem;
}

.proj-tags {
    display: flex;
    flex-wrap: wrap;
    gap: .5rem;
}
.proj-tags .tag {
    font-family: 'JetBrains Mono', monospace;
    font-size: .75rem;
    padding: 4px 10px;
    border-radius: 6px;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--border);
    color: var(--text-1);
    letter-spacing: .02em;
}

/* KPI strip */
.proj-kpis {
    max-width: 1100px;
    margin: -1rem auto 0;
    padding: 0 1.5rem 3rem;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1px;
    background: var(--border);
    border-radius: 14px;
    overflow: hidden;
    border: 1px solid var(--border);
}
@media (max-width: 700px) { .proj-kpis { grid-template-columns: repeat(2, 1fr); } }

.proj-kpi {
    background: rgba(11, 15, 26, 0.85);
    padding: 1.25rem 1rem;
    text-align: center;
}
.proj-kpi .v {
    font-size: 1.6rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--accent), var(--accent-2));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    font-variant-numeric: tabular-nums;
    line-height: 1;
}
.proj-kpi .l {
    margin-top: .4rem;
    color: var(--text-3);
    font-size: .72rem;
    text-transform: uppercase;
    letter-spacing: .12em;
    font-weight: 600;
}

/* Main grid: lateral + content */
.proj-grid {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 1.5rem 5rem;
    display: grid;
    grid-template-columns: 220px 1fr;
    gap: 3rem;
    align-items: start;
}
@media (max-width: 900px) {
    .proj-grid { grid-template-columns: 1fr; gap: 2rem; }
    .proj-toc { position: static !important; }
}

.proj-toc {
    position: sticky;
    top: 90px;
    padding: 1.25rem;
    background: rgba(17, 23, 38, 0.5);
    border: 1px solid var(--border);
    border-radius: 14px;
}
.proj-toc .ttl {
    color: var(--text-3);
    font-size: .68rem;
    text-transform: uppercase;
    letter-spacing: .18em;
    font-weight: 700;
    margin-bottom: .75rem;
}
.proj-toc ol {
    list-style: none;
    padding: 0;
    margin: 0;
    counter-reset: toc;
    display: flex;
    flex-direction: column;
    gap: .25rem;
}
.proj-toc li { counter-increment: toc; }
.proj-toc a {
    display: flex;
    align-items: baseline;
    gap: .55rem;
    padding: 7px 10px;
    border-radius: 8px;
    color: var(--text-1);
    text-decoration: none;
    font-size: .88rem;
    transition: background .2s, color .2s;
    border-left: 2px solid transparent;
}
.proj-toc a::before {
    content: counter(toc, decimal-leading-zero);
    font-family: 'JetBrains Mono', monospace;
    font-size: .72rem;
    color: var(--text-3);
}
.proj-toc a:hover {
    background: rgba(0, 229, 255, 0.06);
    color: var(--accent);
    border-left-color: var(--accent);
}

/* Sections */
.proj-content { min-width: 0; }

.proj-section { margin-bottom: 4rem; scroll-margin-top: 90px; }

.proj-section-head {
    display: flex;
    align-items: baseline;
    gap: .75rem;
    margin-bottom: 1.5rem;
    padding-bottom: .75rem;
    border-bottom: 1px solid var(--border);
}
.proj-section-num {
    font-family: 'JetBrains Mono', monospace;
    color: var(--accent);
    font-size: .85rem;
    font-weight: 600;
    letter-spacing: .05em;
}
.proj-section-head h2 {
    color: var(--text-0);
    font-size: 1.5rem;
    font-weight: 600;
    margin: 0;
    letter-spacing: -0.01em;
}

.proj-section p { color: var(--text-2); font-size: .98rem; line-height: 1.7; }

/* Chart cards */
.proj-chart {
    margin: 1.5rem 0 2rem;
    padding: 1.5rem;
    background: rgba(17, 23, 38, 0.5);
    border: 1px solid var(--border);
    border-radius: 14px;
    transition: border-color .25s ease, transform .25s ease, box-shadow .25s ease;
}
.proj-chart:hover {
    border-color: rgba(0, 229, 255, 0.35);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.4);
}
.proj-chart-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    margin-bottom: .75rem;
    flex-wrap: wrap;
}
.proj-chart-head h4 {
    color: var(--text-0);
    margin: 0;
    font-size: 1.1rem;
    font-weight: 600;
}
.proj-chart-badge {
    font-family: 'JetBrains Mono', monospace;
    font-size: .68rem;
    text-transform: uppercase;
    letter-spacing: .12em;
    padding: 3px 8px;
    border-radius: 6px;
    background: rgba(124, 255, 0, .08);
    color: var(--accent-2);
    border: 1px solid rgba(124, 255, 0, .3);
    font-weight: 700;
}
.proj-chart-desc { color: var(--text-2); font-size: .92rem; margin: 0 0 1rem; line-height: 1.6; }
.proj-chart-img {
    width: 100%;
    height: auto;
    display: block;
    border-radius: 10px;
    border: 1px solid var(--border);
    background: var(--bg-2);
}

/* Insights / takeaways */
.proj-insights {
    list-style: none;
    padding: 0;
    margin: 0;
    display: grid;
    gap: .75rem;
}
.proj-insights li {
    display: flex;
    align-items: flex-start;
    gap: .85rem;
    padding: 1rem 1.25rem;
    background: rgba(17, 23, 38, 0.5);
    border: 1px solid var(--border);
    border-left: 3px solid var(--accent);
    border-radius: 10px;
    color: var(--text-1);
    font-size: .95rem;
    line-height: 1.55;
}
.proj-insights li::before {
    content: "→";
    color: var(--accent);
    font-weight: 700;
    font-size: 1.1rem;
    line-height: 1.3;
}

/* Footer / anexos */
.proj-anexos {
    max-width: 1100px;
    margin: 0 auto;
    padding: 2.5rem 1.5rem 4rem;
    border-top: 1px solid var(--border);
}
.proj-anexos-grid {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}
.proj-anexo-link {
    display: inline-flex;
    align-items: center;
    gap: .5rem;
    padding: 12px 20px;
    border-radius: 10px;
    border: 1px solid var(--border);
    background: rgba(17, 23, 38, 0.5);
    color: var(--text-0);
    text-decoration: none;
    font-weight: 600;
    font-size: .92rem;
    transition: all .25s ease;
}
.proj-anexo-link:hover {
    border-color: var(--accent);
    color: var(--accent);
    background: rgba(0, 229, 255, 0.06);
    transform: translateY(-2px);
}
.proj-anexo-link svg { width: 18px; height: 18px; }

.proj-footer {
    border-top: 1px solid var(--border);
    background: var(--bg-1);
    padding: 1.5rem;
    text-align: center;
    color: var(--text-3);
    font-size: .85rem;
}
.proj-footer a { color: var(--accent); text-decoration: none; }
.proj-footer a:hover { color: var(--accent-2); }