/* ============================================================
   VISUAL VIBES STUDIO — CASE STUDY LAYOUT
   Used only by portfolio/*.html pages.
   Structure: Hero · Overview · Challenge · Solution · Logo
   System · Palette · Typography · Voice · Gallery · Result ·
   Next Project — all styled from the core brand tokens.
   ============================================================ */

/* ---- hero ---- */
.cs-hero{padding-bottom:84px}
.cs-meta{display:flex;flex-wrap:wrap;gap:9px;justify-content:center;margin-top:34px}
.cs-meta span{padding:9px 16px;border-radius:100px;border:1px solid rgba(216,192,138,.28);background:rgba(7,27,30,.5);font-size:.6rem;letter-spacing:.16em;text-transform:uppercase;font-weight:500;color:rgba(242,253,225,.85)}

/* ---- generic case section rhythm ---- */
.cs-sec{padding:92px 0}
.cs-sec .eyebrow{justify-content:flex-start}
.cs-sec .eyebrow::before{display:none}
.cs-title{font-size:clamp(1.8rem,3.4vw,2.6rem);color:var(--ivory);margin-top:16px;line-height:1.16}
.cs-title em{font-style:italic;color:var(--gold);font-weight:500}
.cs-copy{max-width:640px;color:var(--ivory-70);font-size:.96rem;margin-top:18px}
.cs-copy p{margin-bottom:16px}

/* ---- overview ---- */
.cs-grid2{display:grid;grid-template-columns:1.1fr .9fr;gap:64px;align-items:start}
.facts{list-style:none;border:1px solid var(--gold-faint);border-radius:20px;padding:30px 32px;background:linear-gradient(170deg,rgba(9,59,51,.3),rgba(7,27,30,.7))}
.facts li{display:flex;justify-content:space-between;gap:18px;padding:13px 0;border-bottom:1px solid rgba(216,192,138,.1);font-size:.84rem}
.facts li:last-child{border-bottom:none}
.facts b{font-size:.6rem;letter-spacing:.26em;text-transform:uppercase;font-weight:600;color:var(--gold);padding-top:3px;white-space:nowrap}
.facts span{color:rgba(242,253,225,.75);text-align:right}

/* ---- challenge / solution panels ---- */
.cs-panels{display:grid;grid-template-columns:1fr 1fr;gap:22px;margin-top:44px}
.cs-panel{border-radius:20px;padding:34px 32px}
.cs-panel .tag{font-size:.58rem;letter-spacing:.32em;text-transform:uppercase;font-weight:600;display:block;margin-bottom:16px}
.cs-panel h3{font-size:1.6rem;margin-bottom:12px}
.cs-panel p{font-size:.87rem;line-height:1.7}
.cs-panel.was{background:#0b2023;border:1px dashed rgba(242,253,225,.16);color:rgba(242,253,225,.55)}
.cs-panel.was .tag{color:rgba(242,253,225,.32)}
.cs-panel.was h3{color:rgba(242,253,225,.62);font-weight:500}
.cs-panel.now{background:linear-gradient(160deg,var(--teal) 0%,var(--forest) 55%,var(--emerald) 100%);border:1px solid var(--gold-soft);color:var(--ivory-70);box-shadow:0 26px 54px -22px rgba(10,94,78,.6),inset 0 0 46px rgba(216,192,138,.06)}
.cs-panel.now .tag{color:var(--gold)}
.cs-panel.now h3{color:var(--ivory)}

/* ---- logo system board ---- */
.logo-board{display:grid;grid-template-columns:1.4fr 1fr;gap:20px;margin-top:44px}
.logo-cell{position:relative;border-radius:20px;border:1px solid var(--gold-faint);display:grid;place-items:center;min-height:250px;padding:40px;overflow:hidden;transition:border-color .4s ease,transform .4s ease}
.logo-cell:hover{border-color:rgba(216,192,138,.35);transform:translateY(-4px)}
.logo-cell .lab{position:absolute;left:16px;bottom:13px;font-size:.52rem;letter-spacing:.26em;text-transform:uppercase;color:rgba(216,192,138,.6);font-weight:600}
.logo-stack{display:grid;gap:20px}
.wordmark{font-family:var(--serif);font-weight:600;color:var(--ivory);font-size:clamp(1.9rem,4vw,3rem);letter-spacing:.1em;text-transform:uppercase;text-align:center;line-height:1.2}
.wordmark small{display:block;font-family:var(--sans);font-size:.58rem;letter-spacing:.6em;color:var(--gold);font-weight:500;margin-top:12px}

/* ---- color palette ---- */
.sw-row{display:grid;grid-template-columns:repeat(auto-fit,minmax(190px,1fr));gap:18px;margin-top:44px}
.sw-card{border-radius:18px;overflow:hidden;border:1px solid var(--gold-faint);background:rgba(7,27,30,.6);transition:transform .4s ease,border-color .4s ease}
.sw-card:hover{transform:translateY(-5px);border-color:rgba(216,192,138,.32)}
.sw-chip{height:120px}
.sw-info{padding:18px 20px}
.sw-info h4{font-family:var(--serif);font-size:1.1rem;color:var(--ivory);font-weight:600}
.sw-info .hex{font-size:.62rem;letter-spacing:.2em;text-transform:uppercase;color:var(--gold);font-weight:600;display:block;margin:5px 0 7px}
.sw-info p{font-size:.76rem;color:rgba(242,253,225,.55);line-height:1.55;margin:0}

/* ---- typography specimen ---- */
.type-spec{display:grid;grid-template-columns:1fr 1fr;gap:22px;margin-top:44px}
.spec{border-radius:20px;border:1px solid var(--gold-faint);padding:38px 34px;background:linear-gradient(165deg,rgba(16,63,70,.3),rgba(7,27,30,.66))}
.spec .role{font-size:.58rem;letter-spacing:.3em;text-transform:uppercase;color:var(--gold);font-weight:600;display:block;margin-bottom:20px}
.spec .sample-d{font-family:var(--serif);font-size:clamp(2rem,4vw,2.9rem);line-height:1.15;color:var(--ivory);font-weight:600}
.spec .sample-d em{font-style:italic;color:var(--gold);font-weight:500}
.spec .sample-b{font-size:.92rem;color:rgba(242,253,225,.72);line-height:1.8}
.spec .abc{margin-top:22px;padding-top:20px;border-top:1px solid rgba(216,192,138,.12);font-size:.78rem;letter-spacing:.14em;color:rgba(242,253,225,.45);word-break:break-all}

/* ---- brand voice ---- */
.voice-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:20px;margin-top:44px}
.voice{border-radius:18px;border:1px solid var(--gold-faint);padding:30px 28px;background:rgba(9,59,51,.18);transition:transform .4s ease,border-color .4s ease}
.voice:hover{transform:translateY(-5px);border-color:rgba(216,192,138,.3)}
.voice .dia{color:var(--gold);font-size:.8rem;display:block;margin-bottom:14px}
.voice h4{font-family:var(--serif);font-size:1.3rem;color:var(--ivory);margin-bottom:8px;font-weight:600}
.voice p{font-size:.82rem;color:rgba(242,253,225,.6);margin:0}
.voice-line{margin-top:34px;padding:28px 30px;border-left:2px solid var(--gold);border-radius:0 18px 18px 0;background:rgba(16,63,70,.22);font-family:var(--serif);font-style:italic;font-size:1.3rem;line-height:1.5;color:rgba(242,253,225,.88)}
.voice-line cite{display:block;margin-top:14px;font-family:var(--sans);font-style:normal;font-size:.6rem;letter-spacing:.28em;text-transform:uppercase;font-weight:600;color:var(--gold)}

/* ---- gallery ---- */
.cs-gallery{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:44px}
.g-frame{position:relative;aspect-ratio:4/3.2;border-radius:18px;overflow:hidden;border:1px solid var(--gold-faint);display:grid;place-items:center;transition:transform .45s ease,border-color .45s ease,box-shadow .45s ease}
.g-frame:hover{transform:translateY(-5px);border-color:rgba(216,192,138,.34);box-shadow:0 28px 56px -24px rgba(0,0,0,.75)}
.g-frame img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.g-frame .lab{position:absolute;left:14px;bottom:12px;font-size:.5rem;letter-spacing:.24em;text-transform:uppercase;color:var(--gold);background:rgba(7,27,30,.7);padding:5px 10px;border-radius:20px;border:1px solid var(--gold-faint);z-index:2}
.g-frame.tall{grid-row:span 2;aspect-ratio:auto}

/* ---- final result ---- */
.result-band{margin-top:44px;border-radius:22px;border:1px solid var(--gold-soft);padding:52px 48px;text-align:center;
 background:radial-gradient(600px 300px at 50% 0%,rgba(10,94,78,.5),transparent 70%),linear-gradient(170deg,rgba(9,59,51,.4),rgba(7,27,30,.85));
 box-shadow:0 0 64px -22px rgba(216,192,138,.25)}
.result-band h3{font-size:clamp(1.7rem,3.2vw,2.4rem);color:var(--ivory);max-width:680px;margin:0 auto 16px}
.result-band h3 em{font-style:italic;color:var(--gold);font-weight:500}
.result-band p{max-width:600px;margin:0 auto;color:var(--ivory-70);font-size:.94rem}
.result-band .cta-btns{margin-top:34px}

/* ---- next project ---- */
.next-proj{display:block;position:relative;overflow:hidden;border-top:1px solid var(--gold-faint);padding:110px 0;text-align:center;background:linear-gradient(180deg,var(--dynasty),#061417)}
.next-proj .np-label{font-size:.62rem;letter-spacing:.34em;text-transform:uppercase;color:var(--gold);font-weight:600}
.next-proj h2{font-size:clamp(2.4rem,6vw,4.4rem);color:var(--ivory);margin-top:18px;transition:color .4s ease,letter-spacing .4s ease}
.next-proj:hover h2{color:var(--gold);letter-spacing:.02em}
.next-proj .np-arrow{display:inline-block;margin-top:22px;font-size:1.5rem;color:var(--gold);transition:transform .4s ease}
.next-proj:hover .np-arrow{transform:translateX(12px)}

/* ---- responsive ---- */
@media(max-width:960px){
 .cs-grid2,.type-spec{grid-template-columns:1fr;gap:36px}
 .logo-board{grid-template-columns:1fr}
 .cs-gallery{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:640px){
 .cs-sec{padding:72px 0}
 .cs-panels{grid-template-columns:1fr}
 .cs-gallery{grid-template-columns:1fr}
 .g-frame.tall{grid-row:auto}
 .result-band{padding:40px 26px}
}