/* =========================================================================
   Turquino Studios — world-class case-study system
   Editorial serif (Fraunces) + grotesk (Space Grotesk) + Inter body.
   Cinematic dark hero → warm editorial body → dark "next project" footer.
   ========================================================================= */
@import url('https://fonts.googleapis.com/css2?family=Fraunces:opsz,wght@9..144,400;9..144,500;9..144,600&display=swap');

:root{
  --cs-bg:#f5f3ee;
  --cs-panel:#ffffff;
  --cs-ink:#0d1211;
  --cs-mut:#5c6461;
  --cs-line:#e6e1d7;
  --cs-serif:'Fraunces',Georgia,'Times New Roman',serif;
  --cs-gap:clamp(64px,9vw,150px);
}

body.cs{background:var(--cs-bg);color:var(--cs-ink);-webkit-font-smoothing:antialiased}
body.cs .nav{background:transparent;border-bottom:0;transition:background .35s,border-color .35s}
body.cs .nav.solid{background:rgba(9,13,13,.9);backdrop-filter:blur(12px);border-bottom:1px solid rgba(255,255,255,.08)}
.cs-wrap{max-width:1180px;margin:0 auto;padding:0 clamp(20px,5vw,56px)}
.cs-narrow{max-width:760px}

/* ---------- editorial reveal ---------- */
.cs-rev{opacity:0;transform:translateY(30px);transition:opacity .9s ease,transform 1s cubic-bezier(.22,1,.36,1)}
.cs-rev.in{opacity:1;transform:none}
@media(prefers-reduced-motion:reduce){.cs-rev{opacity:1;transform:none}}

/* ========================= HERO ========================= */
.cs-hero{position:relative;min-height:100svh;display:flex;align-items:flex-end;overflow:hidden;background:#070a0a}
.cs-hero-media{position:absolute;inset:0;z-index:0}
.cs-hero-media img{width:100%;height:100%;object-fit:cover;transform:scale(1.04)}
.cs-hero-media::after{content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(6,9,9,.55) 0%,rgba(6,9,9,.15) 34%,rgba(6,9,9,.55) 72%,rgba(6,9,9,.96) 100%)}
.cs-hero-inner{position:relative;z-index:1;width:100%;max-width:1180px;margin:0 auto;
  padding:0 clamp(20px,5vw,56px) clamp(48px,7vw,96px)}
.cs-crumbs{display:flex;gap:10px;align-items:center;font-size:13px;color:rgba(234,246,245,.6);margin-bottom:26px;font-weight:500}
.cs-crumbs a{color:rgba(234,246,245,.6)}.cs-crumbs a:hover{color:var(--teal-bright)}
.cs-eyebrow{display:inline-block;font-family:var(--display);font-size:12px;font-weight:700;letter-spacing:.2em;
  text-transform:uppercase;color:var(--teal-bright);margin-bottom:20px}
.cs-title{font-family:var(--cs-serif);font-weight:500;color:#fff;line-height:.94;letter-spacing:-.02em;
  font-size:clamp(56px,12vw,168px);margin:0}
.cs-lede{margin:26px 0 0;max-width:34ch;font-size:clamp(18px,1.8vw,23px);line-height:1.5;color:rgba(234,246,245,.86)}
.cs-cue{position:absolute;bottom:26px;left:50%;transform:translateX(-50%);z-index:1;
  font-size:11px;letter-spacing:.24em;text-transform:uppercase;color:rgba(234,246,245,.55);
  display:flex;flex-direction:column;align-items:center;gap:8px}
.cs-cue i{width:1px;height:34px;background:linear-gradient(rgba(234,246,245,.6),transparent);animation:csdrop 1.8s ease-in-out infinite}
@keyframes csdrop{0%,100%{transform:scaleY(.4);transform-origin:top;opacity:.4}50%{transform:scaleY(1);opacity:1}}

/* ========================= META ROW ========================= */
.cs-meta{display:grid;grid-template-columns:repeat(4,1fr);gap:0;
  margin:clamp(56px,7vw,96px) auto;padding:0}
@media(max-width:720px){.cs-meta{grid-template-columns:1fr 1fr}}
.cs-meta div{padding:26px 30px 26px 0;border-top:1px solid var(--cs-line)}
.cs-meta div span{display:block;font-family:var(--display);font-size:11px;font-weight:700;letter-spacing:.16em;
  text-transform:uppercase;color:var(--teal-dark);margin-bottom:10px}
.cs-meta div b{font-family:var(--cs-serif);font-weight:500;color:var(--cs-ink);font-size:19px;line-height:1.2}

/* ========================= NUMBERED BLOCK ========================= */
.cs-block{margin:var(--cs-gap) auto}
.cs-block-grid{display:grid;grid-template-columns:180px 1fr;gap:clamp(24px,5vw,72px);align-items:start}
@media(max-width:820px){.cs-block-grid{grid-template-columns:1fr;gap:16px}}
.cs-num{font-family:var(--display);font-weight:700;font-size:15px;letter-spacing:.06em;color:var(--teal);
  padding-top:12px;border-top:2px solid var(--teal);display:inline-block;min-width:54px}
.cs-block h2{font-family:var(--cs-serif);font-weight:500;color:var(--cs-ink);letter-spacing:-.015em;
  font-size:clamp(30px,4.4vw,52px);line-height:1.06;margin:0 0 22px}
.cs-prose{max-width:62ch}
.cs-prose p{font-size:clamp(17px,1.5vw,19px);line-height:1.7;color:#2e3634;margin:0 0 18px}
.cs-prose p:last-child{margin-bottom:0}
.cs-prose em{font-style:italic;color:var(--cs-ink)}
.cs-prose strong{font-weight:700;color:var(--cs-ink)}
.cs-list{list-style:none;margin:26px 0 0;padding:0}
.cs-list li{position:relative;padding:20px 0 20px 30px;border-top:1px solid var(--cs-line);font-size:16.5px;line-height:1.6;color:#2e3634}
.cs-list li:last-child{border-bottom:1px solid var(--cs-line)}
.cs-list li::before{content:"";position:absolute;left:0;top:27px;width:12px;height:12px;border-radius:50%;
  border:2px solid var(--teal)}
.cs-list li b{color:var(--cs-ink);font-weight:700}

/* ========================= FULL-BLEED FIGURE ========================= */
.cs-full{margin:var(--cs-gap) 0;position:relative}
.cs-full img{width:100%;display:block;aspect-ratio:16/9;object-fit:cover}
.cs-full figcaption{max-width:1180px;margin:16px auto 0;padding:0 clamp(20px,5vw,56px);font-size:13px;color:var(--cs-mut)}

/* ========================= METRICS ========================= */
.cs-metrics{margin:var(--cs-gap) auto;display:grid;grid-template-columns:repeat(4,1fr);
  border-top:1px solid var(--cs-line);border-bottom:1px solid var(--cs-line)}
@media(max-width:720px){.cs-metrics{grid-template-columns:1fr 1fr}}
.cs-metric{padding:40px 28px 40px 0;border-left:1px solid var(--cs-line)}
.cs-metric:first-child,.cs-metric:nth-child(3){padding-left:28px}
@media(max-width:720px){.cs-metric{border-left:0;border-top:1px solid var(--cs-line);padding:30px 20px}
  .cs-metric:first-child,.cs-metric:nth-child(2){border-top:0}}
.cs-metric .n{font-family:var(--cs-serif);font-weight:500;color:var(--cs-ink);letter-spacing:-.02em;
  font-size:clamp(34px,4.6vw,58px);line-height:.98}
.cs-metric .n em{font-style:normal;color:var(--teal-dark)}
.cs-metric .l{margin-top:14px;font-size:13.5px;line-height:1.5;color:var(--cs-mut);max-width:24ch}

/* ========================= STICKY SCROLLYTELLING ========================= */
.cs-sticky{position:relative;display:grid;grid-template-columns:1fr 1fr;gap:clamp(30px,5vw,80px);
  max-width:1180px;margin:var(--cs-gap) auto;padding:0 clamp(20px,5vw,56px);align-items:start}
@media(max-width:900px){.cs-sticky{grid-template-columns:1fr}}
.cs-sticky-media{position:sticky;top:14vh;height:72vh;border-radius:18px;overflow:hidden;background:#0c1615}
@media(max-width:900px){.cs-sticky-media{position:relative;top:0;height:auto;aspect-ratio:4/3;margin-bottom:24px}}
.cs-sticky-media img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:0;transition:opacity .6s ease}
.cs-sticky-media img.on{opacity:1}
@media(max-width:900px){.cs-sticky-media img{position:relative;opacity:1}.cs-sticky-media img+img{display:none}}
.cs-steps{display:flex;flex-direction:column;gap:14vh;padding:12vh 0}
@media(max-width:900px){.cs-steps{gap:40px;padding:0}}
.cs-step h3{font-family:var(--cs-serif);font-weight:500;font-size:clamp(24px,3vw,34px);color:var(--cs-ink);margin:0 0 12px;line-height:1.1}
.cs-step p{font-size:17px;line-height:1.7;color:#2e3634;margin:0;max-width:46ch}
.cs-step .k{font-family:var(--display);font-size:12px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--teal);display:block;margin-bottom:14px}

/* ========================= QUOTE ========================= */
.cs-quote{max-width:940px;margin:var(--cs-gap) auto;padding:0 clamp(20px,5vw,56px);text-align:center}
.cs-quote p{font-family:var(--cs-serif);font-weight:500;font-size:clamp(24px,3.4vw,42px);line-height:1.24;
  letter-spacing:-.015em;color:var(--cs-ink);margin:0}
.cs-quote .mark{font-family:var(--cs-serif);font-size:clamp(60px,8vw,110px);color:var(--teal);line-height:.4;display:block;margin-bottom:10px}
.cs-quote cite{display:block;margin-top:26px;font-style:normal;font-size:14px;font-weight:600;color:var(--cs-mut);letter-spacing:.02em}

/* ========================= GALLERY ========================= */
.cs-gallery{max-width:1180px;margin:var(--cs-gap) auto;padding:0 clamp(20px,5vw,56px);
  display:grid;grid-template-columns:1fr 1fr;gap:20px}
@media(max-width:640px){.cs-gallery{grid-template-columns:1fr}}
.cs-gallery figure{margin:0;border-radius:16px;overflow:hidden;background:#0c1615}
.cs-gallery img{width:100%;aspect-ratio:4/3;object-fit:cover;display:block;transition:transform .8s cubic-bezier(.22,1,.36,1)}
.cs-gallery figure:hover img{transform:scale(1.05)}

/* ========================= LIVE LINK + CTA ========================= */
.cs-live{display:inline-flex;align-items:center;gap:10px;font-family:var(--display);font-weight:700;
  font-size:17px;color:var(--cs-ink);border-bottom:2px solid var(--teal);padding-bottom:4px;transition:gap .25s,color .25s}
.cs-live:hover{gap:16px;color:var(--teal-dark)}

/* ========================= NEXT PROJECT ========================= */
.cs-next{display:block;background:var(--ink);color:#fff;text-align:center;padding:clamp(70px,10vw,140px) 24px;overflow:hidden;position:relative}
.cs-next .sub{font-family:var(--display);font-size:12px;font-weight:700;letter-spacing:.24em;text-transform:uppercase;color:var(--teal-bright);display:block;margin-bottom:22px}
.cs-next .big{font-family:var(--cs-serif);font-weight:500;font-size:clamp(44px,10vw,140px);line-height:.95;letter-spacing:-.02em;
  color:#fff;display:inline-block;transition:transform .5s cubic-bezier(.22,1,.36,1)}
.cs-next:hover .big{transform:translateX(14px)}
.cs-next .big i{font-style:normal;color:var(--teal);opacity:0;margin-left:-.3em;transition:opacity .4s,margin .4s}
.cs-next:hover .big i{opacity:1;margin-left:.15em}

/* ========================= TEMPLATE NOTE ========================= */
.cs-note{max-width:940px;margin:96px auto 0;padding:0 clamp(20px,5vw,56px)}
.cs-note div{background:rgba(25,184,176,.09);border:1px dashed var(--teal);border-radius:12px;
  padding:14px 18px;color:var(--teal-dark);font-size:13px;font-weight:600}