/* case-study-story.css — "Story" case study template. Everything scoped under .cst-story. */
.cst-story{--navy:#0E2240;--navy-ink:#081833;--blue:#2F6DB5;--blue-soft:#578ECA;--amber:#F9BC15;--green:#3E9A2C;--red:#D8442A;
  --paper:#F5F7FB;--card:#fff;--ink:#13213A;--muted:#55627A;--line:#DDE3EE;--hl:rgba(249,188,21,.38);
  --display:"Poppins",system-ui,sans-serif;--body:"Inter",system-ui,sans-serif;
  font-family:var(--body);font-size:16.5px;line-height:1.65;color:var(--ink);background:var(--paper)}
.cst-story *{box-sizing:border-box}
.cst-story h1,.cst-story h2,.cst-story h3{font-family:var(--display);line-height:1.15;margin:0;text-wrap:balance}
.cst-story h2{font-size:clamp(1.55rem,2.8vw,2.1rem);font-weight:700}
.cst-story p{margin:0}
.cst-story img{max-width:100%;height:auto}
.cst-wrap{max-width:1180px;margin:0 auto;padding:0 16px}
.cst-eyebrow{font-family:ui-monospace,Menlo,Consolas,monospace;font-size:.72rem;letter-spacing:.14em;text-transform:uppercase;color:var(--blue)}
.cst-eyebrow.amber{color:var(--amber);display:block}
.cst-story .hl{background:linear-gradient(transparent 58%,var(--hl) 58%);font-weight:600}

/* Hero */
.cst-hero{background:var(--navy) center/cover no-repeat;color:#fff;padding:clamp(40px,6vw,72px) 0 clamp(48px,7vw,88px);position:relative;isolation:isolate}
.cst-hero::before{content:"";position:absolute;inset:0;z-index:-1;background:linear-gradient(100deg,rgba(14,34,64,.94),rgba(14,34,64,.78) 45%,rgba(14,34,64,.35))}
.cst-crumb{font-size:.8rem;color:#A9B8D3;display:flex;gap:8px;flex-wrap:wrap;margin-bottom:18px}
.cst-crumb a{color:#A9B8D3;text-decoration:none}
.cst-hero h1{font-size:clamp(2.1rem,5.2vw,3.8rem);font-weight:800;letter-spacing:-.02em;margin-top:12px;max-width:18ch;color:#fff}
.cst-hero h1 em{font-style:normal;color:var(--amber)}
.cst-hero-row{display:grid;grid-template-columns:1.1fr .9fr;gap:40px;align-items:end;margin-top:22px}
.cst-sub{font-size:1.1rem;color:#C9D4E8;max-width:54ch}
.cst-exec{display:flex;gap:14px;background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.16);border-radius:14px;padding:18px 20px}
.cst-exec p{font-family:var(--display);font-weight:500;font-size:1.02rem;line-height:1.45}
.cst-exec small{display:block;color:#A9B8D3;font-family:var(--body);font-size:.82rem;margin-top:8px;font-weight:400}
.cst-av{flex:none;width:44px;height:44px;border-radius:50%;background:var(--amber);color:var(--navy);display:grid;place-items:center;font:700 .95rem var(--display)}
.cst-av.dark{background:var(--navy);color:var(--amber);width:48px;height:48px}

/* Stats */
.cst-stats{background:var(--card);border-bottom:1px solid var(--line)}
.cst-stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(170px,1fr));padding-top:26px;padding-bottom:26px;gap:20px 0}
.cst-stat{padding:2px 22px;border-left:1px solid var(--line)}
.cst-stat:first-child{border-left:0;padding-left:0}
.cst-stat b{display:block;font:800 clamp(1.6rem,3.2vw,2.3rem)/1.1 var(--display);color:var(--blue)}
.cst-stat span{font-size:.88rem;color:var(--muted)}

/* Layout */
.cst-story-grid{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:56px;padding-top:clamp(48px,6vw,80px);padding-bottom:clamp(48px,6vw,80px)}
.cst-article{display:grid;gap:clamp(44px,6vw,68px);min-width:0;align-content:start}
.cst-block{padding:0;display:grid;gap:18px;min-width:0}
.cst-block>p{color:var(--muted);max-width:66ch}

/* Summary */
.cst-summary{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));border:1px solid var(--line);border-radius:16px;background:var(--card);overflow:hidden}
.cst-summary>div{padding:20px 22px;display:grid;gap:6px;align-content:start;border-left:1px solid var(--line)}
.cst-summary>div:first-child{border-left:0}
.cst-summary i{font:normal .68rem ui-monospace,Menlo,monospace;letter-spacing:.14em;text-transform:uppercase}
.cst-summary .c i{color:var(--red)}.cst-summary .s i{color:var(--blue)}.cst-summary .o i{color:var(--green)}
.cst-summary p{font-size:.94rem}

/* Challenge */
.cst-chips{display:flex;flex-wrap:wrap;gap:8px}
.cst-chips span{font:.74rem ui-monospace,Menlo,monospace;padding:6px 11px;border-radius:999px;border:1px solid var(--line);background:var(--card)}
.cst-pains{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:14px}
.cst-pain{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:18px 20px;display:grid;gap:6px;align-content:start}
.cst-pain .k{font:.66rem ui-monospace,Menlo,monospace;letter-spacing:.12em;text-transform:uppercase;color:var(--red)}
.cst-pain .q{font:600 1.02rem var(--display)}
.cst-pain p:last-child{color:var(--muted);font-size:.92rem}

/* Photo / figure */
.cst-photo{margin:0;border-radius:16px;overflow:hidden;position:relative;background:var(--navy)}
.cst-photo img{display:block;width:100%;aspect-ratio:16/7;object-fit:cover}
.cst-photo figcaption{position:absolute;left:0;right:0;bottom:0;padding:40px 20px 14px;background:linear-gradient(transparent,rgba(8,24,51,.85));color:#fff;font:600 1rem var(--display)}
.cst-figure{background:var(--navy);border-radius:16px;padding:18px;overflow-x:auto}
.cst-figure img{display:block;margin:0 auto}
.cst-figcap{font-size:.8rem;color:var(--muted)}

/* Steps */
.cst-steps{list-style:none;margin:0;padding:0;border-top:1px solid var(--line)}
.cst-steps li{display:grid;grid-template-columns:130px 1fr;gap:18px;padding:16px 0;border-bottom:1px solid var(--line)}
.cst-steps .n{font:700 .98rem var(--display);color:var(--blue)}
.cst-steps .n span{color:var(--amber);font-weight:800;margin-right:8px}
.cst-steps p{color:var(--muted);font-size:.95rem}
.cst-steps b{color:var(--ink)}

/* Table */
.cst-table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:14px;background:var(--card)}
.cst-story table{width:100%;border-collapse:collapse;min-width:600px;font-size:.93rem;margin:0}
.cst-story th,.cst-story td{text-align:left;padding:14px 18px;border:0;border-bottom:1px solid var(--line);vertical-align:top}
.cst-story tr:last-child td{border-bottom:0}
.cst-story thead th{font:.68rem ui-monospace,Menlo,monospace;letter-spacing:.12em;text-transform:uppercase;color:var(--muted);background:var(--paper)}
.cst-story td:first-child{font:600 .93rem var(--display);white-space:nowrap}
.cst-story td.before{color:var(--muted)}
.cst-story td.after::before{content:"→ ";color:var(--green);font-weight:700}

/* Testimonial */
.cst-quote{margin:0;background:var(--card);border:1px solid var(--line);border-radius:18px;padding:clamp(24px,4vw,40px);display:grid;gap:20px}
.cst-quote .mark{font:800 5rem/.6 var(--display);color:var(--amber);height:40px}
.cst-quote blockquote{margin:0;padding:0;border:0;font:500 clamp(1.05rem,2vw,1.28rem)/1.55 var(--display);color:var(--ink)}
.cst-quote figcaption{display:flex;gap:14px;align-items:center;font-size:.9rem;color:var(--muted)}
.cst-quote figcaption b{color:var(--ink);font:600 1rem var(--display)}

/* Sidebar */
.cst-glance{position:sticky;top:24px;align-self:start;background:var(--card);border:1px solid var(--line);border-radius:16px;padding:22px;display:grid;gap:16px}
.cst-glance h3{font-size:.95rem}
.cst-glance dl{margin:0;display:grid;gap:10px;font-size:.88rem}
.cst-glance dt{font:.66rem ui-monospace,Menlo,monospace;letter-spacing:.12em;text-transform:uppercase;color:var(--muted)}
.cst-glance dd{margin:2px 0 0;font-weight:500}
.cst-glance hr{border:0;border-top:1px solid var(--line);margin:0}
.cst-glance ul{margin:0;padding:0;list-style:none;display:grid;gap:8px;font-size:.88rem}
.cst-glance li{padding-left:22px;position:relative}
.cst-glance li::before{content:"✓";position:absolute;left:0;color:var(--green);font-weight:700}

/* Buttons */
.cst-btn{display:block;text-align:center;font:600 .95rem var(--display);padding:13px 20px;border-radius:10px;text-decoration:none;transition:transform .15s}
.cst-btn:hover{transform:translateY(-2px)}
.cst-btn.blue{background:var(--blue-soft);color:#fff}
.cst-btn.amber{background:var(--amber);color:var(--navy)}
.cst-btn.ghost{border:1px solid rgba(255,255,255,.35);color:#fff}

/* CTA */
.cst-cta{padding:0;background:var(--navy);color:#fff}
.cst-cta-grid{display:grid;grid-template-columns:1.3fr auto;gap:30px;align-items:center;padding-top:clamp(44px,6vw,72px);padding-bottom:clamp(44px,6vw,72px)}
.cst-cta h2{font-size:clamp(1.5rem,3vw,2.2rem);color:#fff}
.cst-cta h2 span{color:var(--amber)}
.cst-cta p{color:#C9D4E8;margin-top:12px;max-width:58ch}
.cst-cta .tag{display:block;margin-top:14px;font:600 1rem var(--display);color:var(--amber)}
.cst-cta-btns{display:grid;gap:12px;min-width:220px}

/* Responsive */
@media (max-width:980px){
  .cst-story-grid{grid-template-columns:1fr;gap:40px}
  .cst-glance{position:static;order:-1}
  .cst-hero-row,.cst-cta-grid{grid-template-columns:1fr}
}
@media (max-width:620px){
  .cst-steps li{grid-template-columns:1fr;gap:4px}
  .cst-summary>div{border-left:0;border-top:1px solid var(--line)}
  .cst-summary>div:first-child{border-top:0}
  .cst-photo img{aspect-ratio:4/3}
  .cst-cta-btns{min-width:0}
  .cst-stat{border-left:0;padding-left:0}
}
@media (prefers-reduced-motion:reduce){.cst-btn{transition:none}}