/* =========================================================
   ORTIQA — Case study pages (Automotive, Logistica, …)
   Ink-on-paper. Builds on ortiqa-home.css + paper grain.
   ========================================================= */

/* hero */
.case-hero{padding:150px 0 40px}
.case-hero .ch-tag{display:inline-flex;align-items:center;gap:9px;font-family:var(--mono);font-size:11.5px;
  letter-spacing:.14em;text-transform:uppercase;color:var(--brand-2);
  background:var(--brand-soft);padding:7px 14px;border-radius:999px}
.case-hero h1{font-size:clamp(36px,5.4vw,72px);margin:24px 0 0;max-width:18ch;line-height:1.04}
.case-hero h1 .hl{position:relative;color:var(--ink)}
.case-hero h1 .hl::after{content:"";position:absolute;left:-1.5%;right:-1.5%;top:.16em;bottom:.06em;z-index:-1;
  background:var(--marker);border-radius:.7em .35em .6em .4em / .9em .6em .8em .5em;transform:rotate(-.7deg);mix-blend-mode:multiply}
.case-hero .ch-lead{margin-top:24px;max-width:60ch;font-size:clamp(18px,2.1vw,21px);color:var(--body);line-height:1.55}

/* client strip */
.client{display:flex;flex-wrap:wrap;align-items:center;gap:18px 28px;margin-top:36px;padding:24px 28px;
  background:var(--surface);border:1px solid var(--line-2);border-radius:var(--r);box-shadow:var(--shadow-sm)}
.client .cl-logo{width:54px;height:54px;border-radius:14px;background:var(--brand-soft);display:grid;place-items:center;flex:none}
.client .cl-logo svg{width:26px;height:26px;stroke:var(--brand-2);stroke-width:1.6;fill:none}
.client .cl-meta b{display:block;color:var(--ink);font-weight:600;font-size:17px}
.client .cl-meta span{font-size:14px;color:var(--body)}
.client .cl-facts{display:flex;gap:28px;margin-left:auto;flex-wrap:wrap}
.client .cl-facts .f{min-width:0}
.client .cl-facts .fv{font-family:var(--serif);font-weight:600;font-size:22px;color:var(--brand);letter-spacing:-0.01em}
.client .cl-facts .fl{font-family:var(--mono);font-size:10.5px;letter-spacing:.06em;text-transform:uppercase;color:var(--muted);margin-top:2px}
@media (max-width:680px){ .client .cl-facts{margin-left:0;width:100%} }

/* problem / solution / result columns */
.psr-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px}
.psr-card{background:var(--surface);border:1px solid var(--line-2);border-radius:var(--r);padding:34px 36px;box-shadow:var(--shadow-sm)}
.psr-card.full{grid-column:1 / -1}
.psr-card .pk{display:flex;align-items:center;gap:12px;margin-bottom:20px}
.psr-card .pk .pn{font-family:var(--mono);font-size:11px;letter-spacing:.12em;text-transform:uppercase;
  color:var(--brand-2);background:var(--brand-soft);padding:6px 12px;border-radius:999px}
.psr-card .pk h2{font-size:clamp(24px,3vw,32px);margin:0;color:var(--ink)}
.psr-card .plist{list-style:none;display:flex;flex-direction:column;gap:14px}
.psr-card .plist li{display:flex;gap:13px;align-items:flex-start;font-size:16px;color:var(--body);line-height:1.5}
.psr-card .plist li .b{flex:none;width:7px;height:7px;border-radius:50%;background:var(--brand);margin-top:9px}
.psr-card.problem .plist li .b{background:var(--muted)}
.psr-card .plist li b{color:var(--ink);font-weight:600}
.psr-card.result{background:linear-gradient(155deg,var(--dark, var(--ink)),var(--dark-2, var(--ink)));color:var(--bg);border:none;position:relative;overflow:hidden}
.psr-card.result::after{content:"";position:absolute;right:-12%;top:-40%;width:55%;height:180%;
  background:radial-gradient(circle, color-mix(in oklab,var(--brand) 60%,transparent), transparent 64%);opacity:.55}
.psr-card.result .pk h2{color:#fff;position:relative;z-index:1}
.psr-card.result .pk .pn{background:rgba(255,255,255,.12);color:#fff}
.psr-card.result .plist{position:relative;z-index:1}
.psr-card.result .plist li{color:rgba(243,240,233,.82)}
.psr-card.result .plist li .b{background:color-mix(in oklab,var(--brand) 60%,#fff)}
.psr-card.result .plist li b{color:#fff}
@media (max-width:820px){ .psr-grid{grid-template-columns:1fr} }

/* solution feature tiles */
.sol-tiles{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:8px}
.sol-tile{background:var(--surface);border:1px solid var(--line-2);border-radius:var(--r-sm);padding:24px 26px;box-shadow:var(--shadow-sm);transition:transform .3s var(--ease),box-shadow .3s}
.sol-tile:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.sol-tile .ti{width:44px;height:44px;border-radius:12px;background:var(--brand-soft);color:var(--brand-2);display:grid;place-items:center;margin-bottom:16px}
.sol-tile .ti svg{width:22px;height:22px;stroke:currentColor;stroke-width:1.7;fill:none}
.sol-tile h3{font-family:var(--serif);font-weight:600;font-size:19px;color:var(--ink);margin:0 0 6px;letter-spacing:-0.01em}
.sol-tile p{font-size:14.5px;color:var(--body);line-height:1.5;margin:0}
@media (max-width:820px){ .sol-tiles{grid-template-columns:1fr} }

/* back to home cross-links */
.case-more{display:flex;flex-wrap:wrap;gap:14px;justify-content:center}
.case-more a{font-family:var(--mono);font-size:12px;letter-spacing:.06em;color:var(--ink);
  background:var(--surface);border:1px solid var(--line-2);padding:12px 18px;border-radius:999px;
  display:inline-flex;align-items:center;gap:9px;box-shadow:var(--shadow-sm);transition:transform .25s var(--ease),border-color .25s}
.case-more a:hover{transform:translateY(-3px);border-color:var(--line)}
.case-more a svg{width:14px;height:14px;stroke:currentColor;stroke-width:2;fill:none}

/* disclaimer note */
.case-note{font-family:var(--mono);font-size:11.5px;letter-spacing:.03em;color:var(--muted);
  text-align:center;max-width:60ch;margin:0 auto}