/* ============================================================
   Case-study re-skin to the 06-26 master styling.
   Shared by both backdrop mockups (ambient canyon / static).
   Tokens, type, eyebrow, metal video frame, lab-proof metrics,
   cockpit cards — all lifted from PL_update_master-06-26.html.
   ============================================================ */
:root {
    --pl-accent:      rgb(180, 225, 255);
    --pl-accent-090:  rgba(180, 225, 255, 0.90);
    --pl-accent-070:  rgba(180, 225, 255, 0.70);
    --pl-accent-050:  rgba(180, 225, 255, 0.50);
    --pl-accent-022:  rgba(180, 225, 255, 0.22);
    --pl-accent-012:  rgba(180, 225, 255, 0.12);
    --pl-accent-glow: rgba(180, 225, 255, 0.40);
    --pl-bg:          #03060b;
    --pl-bg-deep:     #02040a;
    --pl-bg-card:     #06090f;
    --pl-mono:        'JetBrains Mono', 'SF Mono', Menlo, Consolas, monospace;
    --pl-display:     'Figtree', system-ui, sans-serif;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
html { -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; scroll-behavior: smooth; }
body { font-family: var(--pl-display); font-weight: 300; color: #fff; line-height: 1.6; background: transparent; }
a { color: inherit; text-decoration: none; }

/* ---- Mock strip (sandbox marker) ---------------------------------- */
.mock-strip {
    position: relative; z-index: 60;
    display: flex; flex-wrap: wrap; gap: 6px 16px; align-items: center; justify-content: center;
    padding: 8px 20px; background: rgba(2, 4, 10, 0.92);
    border-bottom: 0.5px solid var(--pl-accent-022);
    font-family: var(--pl-mono); font-size: 10px; letter-spacing: 0.14em; text-transform: lowercase;
    color: var(--pl-accent-090);
}
.mock-strip b { color: #fff; font-weight: 500; } .mock-strip .d { color: rgba(255,255,255,0.3); }

/* ---- Nav ---------------------------------------------------------- */
nav {
    position: sticky; top: 0; z-index: 50;
    display: flex; align-items: center; justify-content: space-between;
    padding: 0 48px; height: 72px;
    background: rgba(3, 6, 11, 0.72);
    border-bottom: 0.5px solid var(--pl-accent-022);
    backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px);
}
nav .logo { font-family: var(--pl-display); font-weight: 300; font-size: 18px; letter-spacing: -0.4px; text-transform: lowercase; color: #fff; }
nav .nav-links { display: flex; align-items: center; gap: 30px; }
nav .nav-links a { font-family: var(--pl-mono); font-size: 12px; letter-spacing: 0.08em; text-transform: lowercase; color: var(--pl-accent-070); transition: color 0.2s ease; }
nav .nav-links a:hover { color: var(--pl-accent); }
@media (max-width: 760px) { nav { padding: 0 20px; height: 60px; } nav .nav-links { display: none; } }

/* ---- Live system mark -------------------------------------------- */
.sys-mark {
    position: fixed; top: 88px; right: 48px; z-index: 40;
    font-family: var(--pl-mono); font-size: 10px; letter-spacing: 0.18em; text-transform: lowercase;
    color: var(--pl-accent-070); display: flex; align-items: center; gap: 8px; pointer-events: none;
}
.sys-mark::before { content: ''; width: 7px; height: 7px; border-radius: 50%; background: #34c759; box-shadow: 0 0 8px rgba(52,199,89,0.65); }
@media (max-width: 760px) { .sys-mark { display: none; } }

/* ---- Case wrapper ------------------------------------------------- */
.cs { max-width: 1180px; margin: 0 auto; padding: 116px 48px; }
.cs + .cs { border-top: 0.5px solid var(--pl-accent-012); }
@media (max-width: 600px) { .cs { padding: 72px 20px; } }

/* ---- Section eyebrow (bar + num + trailing rule) ------------------ */
.section-label {
    font-family: var(--pl-mono); font-size: 13.2px; font-weight: 400; letter-spacing: 0.26em;
    text-transform: lowercase; color: #fff; margin-bottom: 26px; display: flex; align-items: center; gap: 14px;
}
.section-label::before { content: ''; width: 3px; height: 24px; background: linear-gradient(180deg, var(--pl-accent), rgba(180,225,255,0.15)); border-radius: 2px; flex-shrink: 0; }
.section-label::after { content: ''; flex: 1; height: 0.5px; background: linear-gradient(to right, var(--pl-accent-022) 0%, transparent 60%); max-width: 240px; }
.section-label .num { color: #fff; margin-right: 4px; }

/* ---- Meta row (read · status · visit) ---------------------------- */
.meta-row {
    display: flex; flex-wrap: wrap; gap: 8px 22px; align-items: baseline; margin-bottom: 24px;
    font-family: var(--pl-mono); font-size: 11px; letter-spacing: 0.14em; text-transform: lowercase;
}
.meta-row .tag { color: var(--pl-accent); }
.meta-row .status { color: rgba(255,255,255,0.55); }
.meta-row .visit { color: var(--pl-accent); margin-left: auto; transition: color 0.2s ease; }
.meta-row .visit:hover { color: #fff; }
@media (max-width: 480px) {
    .meta-row { flex-direction: column; align-items: flex-start; gap: 6px; }
    .meta-row .visit { margin-left: 0; order: 1; }      /* url moves directly under "1 min read" */
    .meta-row .status { order: 2; }
}

/* ---- Hero headline + lede (light, lowercase title) --------------- */
.cs-title {
    font-family: var(--pl-display); font-weight: 300; font-size: clamp(34px, 5vw, 58px);
    letter-spacing: -0.014em; line-height: 1.06; text-transform: lowercase;
    color: rgba(255,255,255,0.97); max-width: 940px; text-shadow: 0 2px 34px rgba(0,0,0,0.55);
}
.cs-lede {
    font-family: var(--pl-display); font-weight: 300; font-size: clamp(17px, 2vw, 22px);
    line-height: 1.45; color: var(--pl-accent-090); max-width: 820px; margin-top: 22px;
    text-shadow: 0 1px 18px rgba(0,0,0,0.55);
}

/* ---- Brushed-metal video frame (from #work .card bezel) ---------- */
.metal {
    position: relative; width: 100%; max-width: 315px; margin: 48px 0 0; aspect-ratio: 16 / 9;
    float: left; margin-right: 40px;
    border-radius: 20px; overflow: hidden;
    background: linear-gradient(135deg, #fbfdff 0%, #c0cad6 13%, #828b96 28%, #e6edf4 43%, #565c65 58%, #34383e 72%, #939ba6 88%, #4c515a 100%);
    box-shadow: 0 50px 100px -10px rgba(0,0,0,0.70), 0 20px 40px -8px rgba(0,0,0,0.55), 0 4px 12px rgba(0,0,0,0.40),
                0 0 0 0.6px rgba(220,232,248,0.40), inset 0 1px 0 rgba(255,255,255,0.65), inset 0 -1px 0 rgba(0,0,0,0.50);
}
.metal::before { content: ''; position: absolute; top: 0; left: 6%; right: 6%; height: 24px; background: linear-gradient(180deg, rgba(255,255,255,0.26), rgba(255,255,255,0) 75%); pointer-events: none; z-index: 3; }
.metal-screen { position: absolute; inset: 5px; border-radius: 15px; overflow: hidden; background: #050810; box-shadow: 0 0 0 0.5px rgba(0,0,0,0.65), inset 0 0 24px rgba(0,0,0,0.40); }
.metal-screen video { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; display: block; background: #050810; }
.metal .badge {
    position: absolute; left: 14px; top: 12px; z-index: 2;
    font-family: var(--pl-mono); font-size: 9px; letter-spacing: 0.22em; text-transform: uppercase; color: rgba(255,255,255,0.85);
    background: rgba(0,0,0,0.4); -webkit-backdrop-filter: blur(8px); backdrop-filter: blur(8px);
    padding: 5px 10px; border-radius: 999px; text-shadow: 0 1px 4px rgba(0,0,0,0.85);
}

/* ---- Metrics — lab-proof grid ------------------------------------ */
.proof {
    margin-top: 48px; display: grid; grid-template-columns: repeat(2, 1fr); gap: 0; max-width: 440px;
    border-top: 1px solid var(--pl-accent-012); border-bottom: 1px solid var(--pl-accent-012);
    background: rgba(3, 6, 11, 0.45); -webkit-backdrop-filter: blur(3px); backdrop-filter: blur(3px);
    overflow: hidden;
}
.proof-cell { padding: 18px 14px; border-right: 1px solid rgba(255,255,255,0.07); text-align: center; }
.proof-cell:last-child { border-right: 0; }
.proof-cell:nth-child(2) { border-right: 0; }
.proof-cell:nth-child(1), .proof-cell:nth-child(2) { border-bottom: 1px solid rgba(255,255,255,0.07); }
.proof-cell .num { font-family: var(--pl-mono); font-size: clamp(20px, 2.6vw, 34px); font-weight: 500; line-height: 1; color: var(--pl-accent); letter-spacing: -0.02em; text-shadow: 0 0 24px var(--pl-accent-glow); }
.proof-cell .label { font-family: var(--pl-mono); font-size: 11px; letter-spacing: 0.04em; text-transform: lowercase; color: rgba(255,255,255,0.62); margin-top: 9px; line-height: 1.45; }
@media (max-width: 768px) {
    .metal { float: none; margin-left: auto; margin-right: auto; }
    .proof { grid-template-columns: repeat(2, 1fr); margin-top: 56px; }
    .proof-cell:nth-child(2) { border-right: 0; }
    .proof-cell:nth-child(1), .proof-cell:nth-child(2) { border-bottom: 1px solid rgba(255,255,255,0.07); }
}
@media (max-width: 480px) {
    .proof { grid-template-columns: repeat(2, 1fr); max-width: 315px; margin: 36px auto 0; }
    .proof-cell { padding: 9px 8px; }
    .proof-cell .num { font-size: 18px; }
    .proof-cell .label { font-size: 9px; margin-top: 5px; }
}

/* ---- Visit CTA in the video band, beside the stacked boxes ------- */
.visit-band { display: inline-block; margin-top: 18px; font-family: var(--pl-mono); font-size: 12px; letter-spacing: 0.16em; text-transform: lowercase; color: var(--pl-accent); border-bottom: 0.5px solid var(--pl-accent-050); padding-bottom: 4px; transition: color 0.2s ease, border-color 0.2s ease; }
.visit-band:hover { color: #fff; border-bottom-color: #fff; }

/* ---- Points — cockpit cards (TR marker + BR tick + hover glow) --- */
.points { clear: both; margin-top: 48px; display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; max-width: 75%; }
@media (max-width: 900px) { .points { grid-template-columns: 1fr; max-width: 100%; } }
.pt { position: relative; background: var(--pl-bg-card); border: 0.5px solid var(--pl-accent-022); padding: 20px 20px 22px; transition: border-color 0.4s ease, box-shadow 0.4s ease; }
.pt::before { content: attr(data-n); position: absolute; top: 14px; right: 16px; font-family: var(--pl-mono); font-size: 10px; letter-spacing: 0.20em; color: var(--pl-accent-070); text-transform: lowercase; }
.pt::after { content: ''; position: absolute; bottom: 12px; right: 12px; width: 14px; height: 14px; border-right: 1px solid var(--pl-accent-050); border-bottom: 1px solid var(--pl-accent-050); transition: border-color 0.4s ease; }
.pt:hover { border-color: var(--pl-accent-050); box-shadow: 0 0 60px rgba(0,0,0,0.55), 0 0 110px var(--pl-accent-012); }
.pt:hover::after { border-right-color: var(--pl-accent); border-bottom-color: var(--pl-accent); }
.pt h4 { font-family: var(--pl-mono); font-size: 10.4px; font-weight: 500; letter-spacing: 0.18em; text-transform: lowercase; color: var(--pl-accent); margin-bottom: 9px; }
.pt p { font-family: var(--pl-display); font-weight: 300; font-size: 12.6px; line-height: 1.55; color: rgba(220,232,248,0.78); }
@media (max-width: 600px) {
    .pt h4 { font-size: 15.1px; }   /* title matched to body on mobile */
    .pt p  { font-size: 15.1px; }   /* body  +20% on mobile */
}

/* ---- Closer ------------------------------------------------------ */
.closer { margin-top: 48px; }
.q { margin-top: 24px; font-family: var(--pl-display); font-weight: 300; font-size: clamp(20px, 2.6vw, 28px); letter-spacing: -0.01em; line-height: 1.32; color: rgba(255,255,255,0.95); max-width: 720px; text-shadow: 0 1px 18px rgba(0,0,0,0.55); }
.q .m { color: var(--pl-accent); }
.closer .visit { display: inline-block; margin-top: 20px; font-family: var(--pl-mono); font-size: 12px; letter-spacing: 0.16em; text-transform: lowercase; color: var(--pl-accent); border-bottom: 0.5px solid var(--pl-accent-050); padding-bottom: 4px; transition: color 0.2s ease, border-color 0.2s ease; }
.closer .visit:hover { color: #fff; border-bottom-color: #fff; }

/* ---- Footer ------------------------------------------------------ */
footer { position: relative; z-index: 1; border-top: 0.5px solid var(--pl-accent-012); background: rgba(2,4,10,0.7); -webkit-backdrop-filter: blur(8px); backdrop-filter: blur(8px); padding: 40px 48px; display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 16px; font-family: var(--pl-mono); font-size: 11px; letter-spacing: 0.06em; color: rgba(255,255,255,0.45); }
footer a { color: rgba(255,255,255,0.6); transition: color 0.2s ease; }
footer a:hover { color: #fff; }
footer .info { display: flex; gap: 26px; align-items: center; }
footer .op { display: inline-flex; align-items: center; color: rgba(255,255,255,0.5); }
footer .op::before { content: ''; width: 7px; height: 7px; border-radius: 50%; background: #34c759; box-shadow: 0 0 8px rgba(52,199,89,0.65); margin-right: 8px; }
@media (max-width: 760px) { footer { flex-direction: column; text-align: center; padding: 32px 20px; } }