/* ════════════════════════════════════════════════════════════
   case.css — shared styles for the project case-study pages
   Mirrors the design tokens / nav / footer of index.html
   ════════════════════════════════════════════════════════════ */

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

:root {
  --bg:         #07070f;
  --surf:       #0e0e1a;
  --surf2:      #161626;
  --acc:        #f5c84a;
  --acc-bright: #ffefb3;
  --acc-deep:   #d4980a;
  --acc-dim:    rgba(245,200,74,.10);
  --acc-border: rgba(245,200,74,.26);
  --txt:        #ede8e0;
  --muted:      #7e7a74;
  --dim:        rgba(237,232,224,.32);
  --line:       rgba(237,232,224,.07);
  --r:          14px;
}
[data-theme="light"] {
  --bg:         #F0F8FF;
  --surf:       #FFFFFF;
  --surf2:      #E4F1F7;
  --acc:        #3C6F9C;
  --acc-bright: #2A557C;
  --acc-deep:   #87CEEB;
  --acc-dim:    rgba(70,130,180,.10);
  --acc-border: rgba(70,130,180,.24);
  --txt:        #16242E;
  --muted:      #5C6B78;
  --dim:        rgba(22,36,46,.30);
  --line:       rgba(22,36,46,.10);
}

html { scroll-behavior: smooth; }
body {
  background: var(--bg);
  color: var(--txt);
  font-family: 'DM Sans', sans-serif;
  font-size: 1rem;
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
.display { font-family:'Anton',sans-serif; font-weight:400; letter-spacing:.005em; }
em { font-style: italic; }

/* ── NAV (mirrors index.html) ── */
nav {
  position:fixed; top:0; left:0; right:0; z-index:100;
  height:58px; display:flex; align-items:center;
  padding:0 clamp(20px,5vw,80px);
  border-bottom:1px solid var(--line);
  background:rgba(240,248,255,.92);
  backdrop-filter:blur(18px);
}
[data-theme="light"] nav { background:rgba(240,248,255,.92); }
html:not([data-theme="light"]) nav { background:rgba(7,7,15,.88); }
.nav-logo { font-family:'Cormorant Garamond',serif; font-size:1.15rem; font-weight:500; color:var(--txt); text-decoration:none; letter-spacing:.02em; margin-right:auto; }
.nav-links { display:flex; align-items:center; gap:32px; }
.nav-a { color:var(--muted); text-decoration:none; font-size:.84rem; font-weight:500; letter-spacing:.02em; transition:color .2s; }
.nav-a:hover { color:var(--txt); }
.nav-cta { display:inline-flex; align-items:center; gap:5px; background:var(--acc); color:#fff; text-decoration:none; font-size:.8rem; font-weight:700; padding:8px 18px; border-radius:999px; letter-spacing:.02em; transition:opacity .2s; }
html:not([data-theme="light"]) .nav-cta { color:#07070f; }
.nav-cta:hover { opacity:.85; }
.theme-btn { background:none; border:none; cursor:pointer; font-size:1rem; line-height:1; padding:4px; }
@media (max-width:600px) { .nav-links .nav-a { display:none; } }

/* ── PAGE WRAPPER ── */
.wrap { max-width:920px; margin:0 auto; padding:0 clamp(20px,5vw,40px); }

/* ── BACK LINK ── */
.case-back {
  display:inline-flex; align-items:center; gap:8px;
  margin-top:96px; margin-bottom:34px;
  font-size:.74rem; font-weight:700; letter-spacing:.14em; text-transform:uppercase;
  color:var(--muted); text-decoration:none; transition:color .2s, gap .2s;
}
.case-back:hover { color:var(--acc-bright); gap:12px; }

/* ── HEADER ── */
.case-eyebrow { display:flex; flex-wrap:wrap; gap:7px; margin-bottom:20px; }
.fpill { font-size:.62rem; font-weight:700; letter-spacing:.08em; text-transform:uppercase; color:var(--acc-bright); background:var(--acc-dim); border:1px solid var(--acc-border); padding:4px 11px; border-radius:999px; }
.case-h1 { font-size:clamp(2.3rem,6vw,4.2rem); line-height:1.02; color:var(--txt); margin-bottom:20px; }
.case-lead { font-size:clamp(1.05rem,1.8vw,1.3rem); color:var(--muted); line-height:1.6; max-width:62ch; }
.case-meta {
  display:flex; flex-wrap:wrap; gap:30px 48px;
  margin-top:34px; padding-top:26px; border-top:1px solid var(--line);
}
.cmeta-l { font-size:.6rem; font-weight:700; letter-spacing:.12em; text-transform:uppercase; color:var(--muted); margin-bottom:6px; }
.cmeta-v { font-size:.96rem; font-weight:500; color:var(--txt); }

/* ── METRICS BAND ── */
.case-metrics {
  display:grid; grid-template-columns:repeat(3,1fr); gap:1px;
  margin:54px 0; background:var(--line);
  border:1px solid var(--line); border-radius:var(--r); overflow:hidden;
}
@media (max-width:680px) { .case-metrics { grid-template-columns:1fr; } }
.cm-item { background:var(--surf); padding:30px clamp(20px,2.6vw,32px); }
.cm-n { font-family:'Anton',sans-serif; font-weight:400; font-size:clamp(2.6rem,5vw,3.6rem); color:var(--acc-bright); line-height:.95; }
.cm-l { font-size:.78rem; color:var(--muted); margin-top:12px; line-height:1.5; }

/* ── BODY SECTIONS ── */
.case-body { margin:60px 0; }
.case-sec { margin-bottom:48px; }
.case-sec-label { font-size:.64rem; font-weight:700; letter-spacing:.14em; text-transform:uppercase; color:var(--acc); margin-bottom:14px; }
.case-sec-h { font-family:'Cormorant Garamond',serif; font-size:clamp(1.5rem,2.6vw,2rem); font-weight:500; line-height:1.2; color:var(--txt); margin-bottom:16px; }
.case-p { font-size:1.02rem; color:var(--muted); line-height:1.8; margin-bottom:16px; max-width:68ch; }
.case-p strong { color:var(--txt); font-weight:600; }
.case-p:last-child { margin-bottom:0; }

/* two-column situation / bet */
.case-2col { display:grid; grid-template-columns:1fr 1fr; gap:30px; }
@media (max-width:680px) { .case-2col { grid-template-columns:1fr; gap:34px; } }

/* "How I led" numbered list */
.how-list { display:flex; flex-direction:column; gap:4px; margin-top:10px; }
.how-item { display:flex; gap:18px; padding:18px 0; border-bottom:1px solid var(--line); }
.how-item:last-child { border-bottom:none; }
.how-n { flex-shrink:0; width:30px; height:30px; border-radius:50%; background:var(--acc-dim); border:1px solid var(--acc-border); display:flex; align-items:center; justify-content:center; font-size:.7rem; font-weight:700; color:var(--acc); }
.how-t { font-weight:600; font-size:.96rem; color:var(--txt); margin-bottom:4px; }
.how-d { font-size:.92rem; color:var(--muted); line-height:1.7; }

/* pull quote */
.case-quote {
  font-family:'Cormorant Garamond',serif; font-style:italic;
  font-size:clamp(1.5rem,3vw,2.2rem); line-height:1.3; color:var(--acc-bright);
  border-left:3px solid var(--acc); padding:8px 0 8px 28px;
  margin:56px 0; max-width:24ch;
}

/* ── FOOTER NAV (prev / next) ── */
.case-footnav {
  display:flex; justify-content:space-between; align-items:center; gap:20px;
  margin:64px 0 0; padding-top:34px; border-top:1px solid var(--line); flex-wrap:wrap;
}
.cfn-link { text-decoration:none; transition:color .2s; }
.cfn-l { font-size:.6rem; font-weight:700; letter-spacing:.12em; text-transform:uppercase; color:var(--muted); margin-bottom:5px; }
.cfn-t { font-family:'Cormorant Garamond',serif; font-size:1.25rem; font-weight:500; color:var(--txt); transition:color .2s; }
.cfn-link:hover .cfn-t { color:var(--acc-bright); }
.cfn-next { text-align:right; }

/* ── FOOTER ── */
footer { padding:32px clamp(20px,5vw,80px); border-top:1px solid var(--line); display:flex; align-items:center; justify-content:space-between; flex-wrap:wrap; gap:14px; margin-top:60px; }
.fl { font-family:'Cormorant Garamond',serif; font-size:1.05rem; font-weight:500; color:var(--txt); text-decoration:none; }
.fc { font-size:.78rem; color:var(--muted); }
.fla { font-size:.78rem; color:var(--muted); text-decoration:none; transition:color .2s; }
.fla:hover { color:var(--acc); }

/* ════════════════════════════════════════════════════════════
   FIGURES — illustrative charts / diagrams / timelines
   All theme-aware via the design tokens above.
   ════════════════════════════════════════════════════════════ */
.figure { margin:38px 0; padding:28px clamp(18px,2.4vw,30px); background:var(--surf); border:1px solid var(--line); border-radius:var(--r); }
.fig-label { font-size:.6rem; font-weight:700; letter-spacing:.14em; text-transform:uppercase; color:var(--acc); margin-bottom:18px; }
.fig-cap { font-size:.78rem; color:var(--muted); line-height:1.6; margin-top:20px; }

/* ── flow diagram (before / after) ── */
.flow { display:flex; flex-direction:column; gap:22px; }
.flow-row { display:flex; align-items:center; flex-wrap:wrap; gap:10px; }
.flow-tag { flex-shrink:0; width:74px; font-size:.6rem; font-weight:700; letter-spacing:.1em; text-transform:uppercase; color:var(--muted); }
.flow-node { display:inline-flex; align-items:center; padding:9px 14px; border-radius:9px; font-size:.82rem; font-weight:500; line-height:1.3; background:var(--surf2); border:1px solid var(--line); color:var(--txt); }
.flow-row.is-after .flow-node { border-color:var(--acc-border); background:var(--acc-dim); color:var(--acc-bright); }
.flow-arrow { color:var(--dim); font-size:.9rem; flex-shrink:0; }
.flow-cost { margin-left:6px; font-size:.66rem; font-weight:700; letter-spacing:.04em; padding:3px 9px; border-radius:999px; white-space:nowrap; }
.flow-cost.slow { color:#b4471f; background:rgba(180,71,31,.12); border:1px solid rgba(180,71,31,.24); }
.flow-cost.fast { color:var(--acc-bright); background:var(--acc-dim); border:1px solid var(--acc-border); }

/* ── rubric scorecard ── */
.rubric { display:flex; flex-direction:column; gap:16px; }
.rub-ends { display:flex; justify-content:space-between; font-size:.6rem; font-weight:700; letter-spacing:.1em; text-transform:uppercase; color:var(--muted); padding-left:160px; }
@media (max-width:560px){ .rub-ends { padding-left:0; } }
.rub-row { display:grid; grid-template-columns:150px 1fr; gap:10px; align-items:center; }
@media (max-width:560px){ .rub-row { grid-template-columns:1fr; gap:5px; } }
.rub-name { font-size:.86rem; font-weight:500; color:var(--txt); }
.rub-track { position:relative; height:8px; border-radius:999px; background:linear-gradient(90deg,var(--surf2),var(--acc-dim)); border:1px solid var(--line); }
.rub-dot { position:absolute; top:50%; width:15px; height:15px; border-radius:50%; background:var(--acc); border:2px solid var(--surf); transform:translate(-50%,-50%); box-shadow:0 1px 4px rgba(0,0,0,.18); }

/* ── horizontal bars (before / after, generic compare) ── */
.bars { display:flex; flex-direction:column; gap:18px; }
.bar-row { display:grid; grid-template-columns:120px 1fr auto; gap:14px; align-items:center; }
@media (max-width:560px){ .bar-row { grid-template-columns:100px 1fr auto; } }
.bar-label { font-size:.8rem; color:var(--muted); }
.bar-track { height:26px; border-radius:7px; background:var(--surf2); overflow:hidden; }
.bar-fill { height:100%; border-radius:7px; background:linear-gradient(90deg,var(--acc-deep),var(--acc)); }
.bar-fill.is-muted { background:rgba(130,140,150,.28); }
.bar-val { font-family:'Anton',sans-serif; font-size:1.1rem; color:var(--txt); white-space:nowrap; }

/* ── funnel ── */
.funnel { display:flex; flex-direction:column; gap:9px; align-items:center; }
.fun-step { height:60px; border-radius:8px; display:flex; flex-direction:column; align-items:center; justify-content:center; background:linear-gradient(90deg,var(--acc-deep),var(--acc)); color:#07070f; }
[data-theme="light"] .fun-step { color:#fff; }
.fun-step.s2 { opacity:.82; } .fun-step.s3 { opacity:.64; }
.fun-n { font-family:'Anton',sans-serif; font-size:1.4rem; line-height:1; }
.fun-l { font-size:.66rem; letter-spacing:.04em; margin-top:3px; opacity:.92; }

/* ── timeline ── */
.timeline { position:relative; padding-left:6px; }
.tl-item { position:relative; display:grid; grid-template-columns:78px 1fr; gap:16px; padding:0 0 24px 0; }
.tl-item:last-child { padding-bottom:0; }
.tl-wk { font-size:.66rem; font-weight:700; letter-spacing:.08em; text-transform:uppercase; color:var(--acc); padding-top:1px; }
.tl-body { position:relative; padding-left:24px; border-left:1px solid var(--line); padding-bottom:2px; }
.tl-item:last-child .tl-body { border-left-color:transparent; }
.tl-dot { position:absolute; left:-6px; top:3px; width:11px; height:11px; border-radius:50%; background:var(--acc); border:2px solid var(--surf); }
.tl-t { font-size:.9rem; font-weight:600; color:var(--txt); margin-bottom:3px; }
.tl-d { font-size:.83rem; color:var(--muted); line-height:1.6; }

/* ── svg line/area chart ── */
.spark { width:100%; height:auto; display:block; }
.spark-grid { stroke:var(--line); stroke-width:1; }
.spark-area { fill:var(--acc-dim); }
.spark-line { fill:none; stroke:var(--acc); stroke-width:2.5; stroke-linjoin:round; stroke-linecap:round; }
.spark-mark { stroke:var(--dim); stroke-width:1; stroke-dasharray:3 3; }
.spark-dot { fill:var(--acc-bright); stroke:var(--surf); stroke-width:2; }
.spark-txt { fill:var(--muted); font-size:11px; font-family:'DM Sans',sans-serif; }
.spark-txt.b { fill:var(--txt); font-weight:600; }

/* ── diverging rubric (two decisions on the same axes) ── */
.rub-dot.build { background:#c06a3d; }
.fig-legend { display:flex; flex-wrap:wrap; gap:18px; margin-bottom:18px; }
.leg { display:inline-flex; align-items:center; gap:7px; font-size:.74rem; color:var(--muted); }
.leg-sw { width:12px; height:12px; border-radius:50%; flex-shrink:0; }
.leg-sw.buy { background:var(--acc); }
.leg-sw.build { background:#c06a3d; }

/* ── verdict cards (worked examples) ── */
.verdicts { display:grid; grid-template-columns:1fr 1fr; gap:18px; margin:38px 0; }
@media (max-width:600px){ .verdicts { grid-template-columns:1fr; } }
.verdict { padding:24px; border-radius:var(--r); border:1px solid var(--line); background:var(--surf); }
.verdict-badge { display:inline-block; font-size:.64rem; font-weight:700; letter-spacing:.12em; text-transform:uppercase; padding:4px 12px; border-radius:999px; margin-bottom:14px; }
.verdict-badge.buy { color:var(--acc-bright); background:var(--acc-dim); border:1px solid var(--acc-border); }
.verdict-badge.build { color:#c06a3d; background:rgba(192,106,61,.1); border:1px solid rgba(192,106,61,.28); }
.verdict-t { font-family:'Cormorant Garamond',serif; font-size:1.3rem; font-weight:500; color:var(--txt); margin-bottom:8px; line-height:1.2; }
.verdict-d { font-size:.88rem; color:var(--muted); line-height:1.7; }

/* ── four-question grid ── */
.qgrid { display:grid; grid-template-columns:1fr 1fr; gap:1px; background:var(--line); border:1px solid var(--line); border-radius:var(--r); overflow:hidden; }
@media (max-width:560px){ .qgrid { grid-template-columns:1fr; } }
.qcell { background:var(--surf); padding:24px; }
.qn { font-family:'Anton',sans-serif; font-size:1.4rem; color:var(--acc); line-height:1; margin-bottom:10px; }
.qt { font-size:.96rem; font-weight:600; color:var(--txt); margin-bottom:6px; }
.qd { font-size:.84rem; color:var(--muted); line-height:1.6; }

/* ── feedback loop ── */
.loop { display:flex; align-items:stretch; flex-wrap:wrap; gap:12px; }
.loop-node { flex:1; min-width:150px; padding:18px 16px; border-radius:var(--r); background:var(--acc-dim); border:1px solid var(--acc-border); }
.loop-k { font-size:.6rem; font-weight:700; letter-spacing:.1em; text-transform:uppercase; color:var(--acc); margin-bottom:7px; }
.loop-t { font-size:.92rem; font-weight:600; color:var(--txt); margin-bottom:4px; }
.loop-d { font-size:.8rem; color:var(--muted); line-height:1.55; }
.loop-arrow { display:flex; align-items:center; color:var(--dim); font-size:1.2rem; }
@media (max-width:680px){ .loop-arrow { transform:rotate(90deg); justify-content:center; } }
.loop-back { margin-top:14px; font-size:.78rem; color:var(--acc-bright); display:flex; align-items:center; gap:8px; }

/* placeholder highlight — fill these in, then remove the .tofill class */
.tofill { background:rgba(255,193,7,.22); border-bottom:1px dashed rgba(176,124,0,.7); border-radius:3px; padding:0 3px; }