/* ============================================================================
   MGNTION — CASE STUDY EXPERIENCE
   Editorial, not documentation. Massive type, long silences, deliberate pace.
   Nine tones, each with its own rhythm.
   ========================================================================= */

/* the Case Study action on the portfolio now leads somewhere */
.action--case .action__t { color: var(--warm); }
.action--case::before { background: var(--warm); }

.case-host {
  position: fixed; inset: 0; z-index: 9300;
  opacity: 0; pointer-events: none; transition: opacity 420ms var(--e-out);
}
.case-host.is-open { opacity: 1; pointer-events: auto; }

.cs {
  position: absolute; inset: 0; background: var(--ink);
  display: flex; flex-direction: column;
  clip-path: inset(0 0 100% 0); transition: clip-path 760ms var(--e-mask);
}
.is-open .cs { clip-path: inset(0 0 0 0); }

/* ---- BAR ---------------------------------------------------------------- */
.cs { --csbar: 60px; }
.cs__bar {
  position: relative; z-index: 5; flex: none; height: var(--csbar);
  display: flex; align-items: center; gap: var(--s-3); padding-inline: var(--gut);
  border-bottom: 1px solid var(--rule);
  background: rgba(10,9,8,.9); backdrop-filter: blur(18px);
}
.cs__back {
  display: inline-flex; align-items: center; gap: .5rem; white-space: nowrap;
  font-family: var(--f-mono); font-size: var(--t-xs); letter-spacing: .16em;
  text-transform: uppercase; color: var(--warm-2);
  transition: color var(--d-fast) var(--e-out);
}
[data-lang='he'] .cs__back, [data-lang='ar'] .cs__back { font-family: var(--f-body); letter-spacing: .04em; }
.cs__back:hover { color: var(--acc); }
[dir='rtl'] .cs__back span { transform: scaleX(-1); display: inline-block; }
.cs__mark { color: var(--warm-3); margin-inline: auto; }
@media (max-width: 900px) { .cs__mark { display: none; } }
.cs__jump { display: flex; gap: 1px; flex: none; }
.cs__j {
  padding: .5rem .8rem; border: 1px solid var(--rule);
  font-family: var(--f-mono); font-size: var(--t-xs); letter-spacing: .12em;
  text-transform: uppercase; color: var(--warm-2); white-space: nowrap;
  transition: border-color var(--d-fast) var(--e-out), color var(--d-fast) var(--e-out);
}
[data-lang='he'] .cs__j, [data-lang='ar'] .cs__j { font-family: var(--f-body); letter-spacing: .02em; text-transform: none; }
.cs__j:hover { border-color: var(--warm); color: var(--warm); }
.cs__j--acc { color: var(--acc); border-color: rgba(var(--acc-rgb), .45); }
.cs__j--acc:hover { background: var(--acc); color: var(--ink); border-color: var(--acc); }
@media (max-width: 620px) { .cs__j:not(.cs__j--acc) { display: none; } }

.cs__prog { position: absolute; inset-inline: 0; bottom: -1px; height: 2px; background: transparent; }
.cs__prog i {
  display: block; height: 100%; background: var(--acc);
  transform: scaleX(0); transform-origin: var(--logical-start);
}

/* ---- SCROLL ------------------------------------------------------------- */
.cs__scroll {
  position: relative; z-index: 1; flex: 1; min-height: 0;
  overflow-y: auto; overflow-x: hidden; overscroll-behavior: contain;
}
.cwrap { width: 100%; max-width: 1120px; margin-inline: auto; padding-inline: var(--gut); }

/* ============================================================================
   HERO
========================================================================== */
/* the scroll container is the viewport minus the bar, so the hero measures
   against that rather than against the full window */
.chero {
  position: relative; min-height: calc(100svh - var(--csbar)); display: flex; flex-direction: column;
  justify-content: center; padding-block: clamp(2.5rem, 7vh, 5rem);
}
.chero::before {
  content: ''; position: absolute; inset: 0; pointer-events: none;
  background: radial-gradient(120% 62% at 50% 0%, rgba(var(--acc-rgb), .12), transparent 60%);
}
.chero__kind { display: block; color: var(--acc); margin-bottom: clamp(1.4rem, 4vh, 2.6rem); }
/* The claim owns the screen, so it must fit whatever the language does to the
   line count. The divisor is empirical: display line boxes measure ~1.14x the
   declared leading once font metrics are included. */
.chero__t {
  font-size: calc(min(clamp(2.4rem, 8.2vw, 7rem), calc(32svh / var(--lines, 3))) * var(--fit, 1));
}
.chero__t .lm > span { display: block; }
.chero__t .lm:last-child > span { color: var(--acc); }
.chero__s {
  margin-top: clamp(1.6rem, 4.5vh, 3rem); max-width: 42ch;
  font-size: var(--t-md); line-height: 1.55; color: var(--warm-2);
}
.chero__meta {
  margin-top: clamp(2rem, 6vh, 4rem); display: flex; gap: 1.6rem; flex-wrap: wrap;
  padding-top: 1rem; border-top: 1px solid var(--rule);
}
.chero__scroll {
  position: absolute; bottom: 1.6rem; inset-inline-start: var(--gut); color: var(--warm-3);
}

/* ============================================================================
   CHAPTERS
========================================================================== */
.ch { position: relative; padding-block: clamp(4rem, 13vh, 11rem); }
.ch__head {
  display: flex; align-items: baseline; gap: 1.1rem; margin-bottom: clamp(1.4rem, 3.5vh, 2.4rem);
}
.ch__n { color: var(--acc); font-size: .78rem; }
.ch__k { color: var(--warm-3); }
.ch__k::before { content: ''; display: inline-block; width: 22px; height: 1px; background: var(--rule); margin-inline-end: .7rem; vertical-align: middle; }

.ch__lead {
  font-size: clamp(1.6rem, 4.4vw, 3.6rem); max-width: 22ch;
  text-transform: none; letter-spacing: -0.025em;
}
[data-lang='ar'] .ch__lead { letter-spacing: 0; max-width: 26ch; }
.ch__body { margin-top: clamp(1.6rem, 4vh, 2.8rem); max-width: 64ch; }
.ch__body p {
  font-size: clamp(1.02rem, 1.35vw, 1.22rem); line-height: 1.72; color: var(--warm-2);
  margin-bottom: 1.3em;
}
.ch__body p:last-child { margin-bottom: 0; }

/* the opening chapter gets a heavier first paragraph */
.ch--open .ch__body p:first-child { color: var(--warm); font-size: clamp(1.15rem, 1.8vw, 1.45rem); line-height: 1.6; }

/* the insight chapter is the turn, so it gets air and a centred axis */
.ch--insight { text-align: center; }
.ch--insight .ch__head { justify-content: center; }
.ch--insight .ch__lead { max-width: 20ch; margin-inline: auto; }
.ch--insight .ch__body { margin-inline: auto; max-width: 58ch; }
@media (max-width: 700px) { .ch--insight { text-align: var(--logical-start); }
  .ch--insight .ch__head { justify-content: flex-start; } }

.ch--outcome { border-top: 1px solid var(--rule); }

/* ---- PULL QUOTE --------------------------------------------------------- */
.pullq {
  margin-top: clamp(3rem, 9vh, 7rem); padding-block: clamp(2.5rem, 7vh, 5rem);
  border-block: 1px solid var(--rule); position: relative;
}
.pullq p {
  width: 100%; max-width: 1120px; margin-inline: auto; padding-inline: var(--gut);
  font-family: var(--f-editorial); font-style: italic;
  font-size: clamp(1.6rem, 4.6vw, 3.6rem); line-height: 1.18; color: var(--warm);
  max-width: 24ch;
}
[data-lang='he'] .pullq p, [data-lang='ar'] .pullq p {
  font-family: var(--f-display); font-style: normal; font-weight: 700; line-height: 1.35;
}
.pullq::before {
  content: ''; position: absolute; inset-inline-start: 0; top: -1px; width: 90px; height: 1px; background: var(--acc);
}

/* ---- PRINCIPLES --------------------------------------------------------- */
.prin {
  margin-top: clamp(2.2rem, 6vh, 4rem);
  display: grid; grid-template-columns: repeat(auto-fit, minmax(270px, 1fr)); gap: 1px;
  background: var(--rule); border: 1px solid var(--rule);
}
.prin__c {
  background: var(--ink); padding: var(--s-3) 1.5rem var(--s-4); position: relative;
  opacity: 0; transform: translateY(22px);
  transition: opacity var(--d-slow) var(--e-out), transform var(--d-slow) var(--e-out);
  transition-delay: calc(var(--i) * 70ms);
}
.prin__c.is-in { opacity: 1; transform: none; }
.prin__n { color: var(--acc); }
.prin__c h4 {
  font-family: var(--f-display); font-weight: 700; font-size: clamp(1.05rem, 1.7vw, 1.35rem);
  letter-spacing: -.015em; margin-block: .85rem .6rem;
}
.prin__c p { color: var(--warm-2); font-size: var(--t-sm); line-height: 1.7; }

/* ---- MOMENTS ------------------------------------------------------------ */
.mom { margin-top: clamp(2.2rem, 6vh, 4rem); display: grid; gap: 1px; background: var(--rule); border-block: 1px solid var(--rule); }
.mom__c {
  background: var(--ink); padding: clamp(1.6rem, 4vh, 2.8rem) 0;
  display: grid; grid-template-columns: 4.5rem minmax(0, 1fr) minmax(0, 1.15fr); gap: clamp(1rem, 3vw, 3rem);
  align-items: start;
  opacity: 0; transform: translateY(20px);
  transition: opacity var(--d-slow) var(--e-out), transform var(--d-slow) var(--e-out);
  transition-delay: calc(var(--i) * 55ms);
}
.mom__c.is-in { opacity: 1; transform: none; }
.mom__n { color: var(--acc); padding-top: .5rem; }
.mom__c h4 {
  font-size: clamp(1.25rem, 2.6vw, 2.1rem); letter-spacing: -.03em; line-height: 1.1;
  text-transform: none;
}
[data-lang='ar'] .mom__c h4 { line-height: 1.35; letter-spacing: 0; }
.mom__c p { color: var(--warm-2); font-size: var(--t-md); line-height: 1.65; }
@media (max-width: 820px) {
  .mom__c { grid-template-columns: 2.6rem 1fr; }
  .mom__c p { grid-column: 2; }
}

/* ---- CLOSING ------------------------------------------------------------ */
.ch--reflect { border-top: 1px solid var(--rule); }
.cclose {
  margin-top: clamp(3rem, 9vh, 7rem);
  font-family: var(--f-editorial); font-style: italic;
  font-size: clamp(1.7rem, 5vw, 4.2rem); line-height: 1.16;
  color: var(--acc); max-width: 22ch;
}
[data-lang='he'] .cclose, [data-lang='ar'] .cclose {
  font-family: var(--f-display); font-style: normal; font-weight: 800; line-height: 1.32; letter-spacing: -.01em;
}

/* ============================================================================
   VISUALS
========================================================================== */
.cplate { padding-block: clamp(2rem, 6vh, 5rem); }
.cplate__frame {
  position: relative; width: 100%; max-width: 1360px; margin-inline: auto;
  aspect-ratio: 16 / 9; overflow: hidden; border-block: 1px solid var(--rule);
  background: var(--void);
}
.cplate__frame > div { position: absolute; inset: 0; }
@media (max-width: 700px) { .cplate__frame { aspect-ratio: 4 / 5; } }

.cstrip {
  display: grid; gap: 2px; padding-block: clamp(2rem, 6vh, 5rem);
  width: 100%; max-width: 1360px; margin-inline: auto; padding-inline: var(--gut);
}
.cstrip--3 { grid-template-columns: repeat(3, 1fr); }
.cstrip--4 { grid-template-columns: repeat(4, 1fr); }
.cstrip__i {
  display: block; overflow: hidden; aspect-ratio: 4 / 3; background: var(--void);
  clip-path: inset(0 0 100% 0);
  transition: clip-path var(--d-heavy) var(--e-mask);
  transition-delay: calc(var(--i) * 110ms);
}
.cstrip.is-in .cstrip__i { clip-path: inset(0 0 0 0); }
.cstrip__i img {
  width: 100%; height: 100%; object-fit: cover;
  transform: scale(1.12); transition: transform 1900ms var(--e-out);
  transition-delay: calc(var(--i) * 110ms);
}
.cstrip.is-in .cstrip__i img { transform: scale(1); }
@media (max-width: 760px) {
  .cstrip--3, .cstrip--4 { grid-template-columns: repeat(2, 1fr); }
  .cstrip--3 .cstrip__i:nth-child(3) { grid-column: span 2; aspect-ratio: 16/9; }
}

/* ============================================================================
   FOOT
========================================================================== */
.cs__foot { border-top: 1px solid var(--rule); padding-block: clamp(2.5rem, 7vh, 5rem) clamp(3rem, 9vh, 7rem); }
.cs__footin { display: flex; gap: 1px; flex-wrap: wrap; }
.cs__fb {
  flex: 1 1 220px; padding: 1.15rem 1.3rem; border: 1px solid var(--rule); text-align: center;
  font-family: var(--f-display); font-weight: 700; text-transform: uppercase;
  letter-spacing: .05em; font-size: .92rem;
  transition: background var(--d-fast) var(--e-out), color var(--d-fast) var(--e-out), border-color var(--d-fast) var(--e-out);
}
[data-lang='he'] .cs__fb, [data-lang='ar'] .cs__fb { text-transform: none; letter-spacing: 0; }
.cs__fb:hover { background: var(--warm); color: var(--ink); border-color: var(--warm); }
.cs__fb--acc { color: var(--acc); border-color: rgba(var(--acc-rgb), .5); }
.cs__fb--acc:hover { background: var(--acc); color: var(--ink); border-color: var(--acc); }

.cs__next { margin-top: clamp(2.5rem, 7vh, 5rem); }
.cs__nextl { margin-top: 1rem; display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 1px; background: var(--rule); border: 1px solid var(--rule); }
.cs__nextl a {
  background: var(--ink); padding: 1.3rem 1.2rem; display: grid; gap: .5rem;
  transition: background var(--d-fast) var(--e-out);
}
.cs__nextl a:hover { background: rgba(var(--acc-rgb), .1); }
.cs__nextl b { font-size: clamp(1rem, 1.8vw, 1.35rem); letter-spacing: -.02em; direction: ltr; }
.cs__nextl a:hover b { color: var(--acc); }

/* ============================================================================
   TONES — every case study reads at a different pace
========================================================================== */

/* documentary · MIXDNA — slow, dark, serif-led, long silences */
[data-tone='documentary'] .ch { padding-block: clamp(5rem, 16vh, 13rem); }
[data-tone='documentary'] .ch__lead { font-family: var(--f-editorial); font-style: italic; font-weight: 400; letter-spacing: -.01em; }
[data-lang='he'] [data-tone='documentary'] .ch__lead,
[data-lang='ar'] [data-tone='documentary'] .ch__lead { font-family: var(--f-display); font-style: normal; font-weight: 700; }
[data-tone='documentary'] .chero__s { max-width: 38ch; }

/* studio · VIXXEO — gridded, cinematic, tight */
[data-tone='studio'] .ch__head { border-top: 1px solid var(--rule); padding-top: 1rem; }
[data-tone='studio'] .cs { background: #060609; }
[data-tone='studio'] .mom__c { grid-template-columns: 3.5rem minmax(0,1fr) minmax(0,1.3fr); }

/* arena · CLOUTWARS — loud, split, competitive */
[data-tone='arena'] .chero__t { text-transform: uppercase; letter-spacing: -.04em; }
[data-tone='arena'] .ch__lead { text-transform: uppercase; letter-spacing: -.035em; font-weight: 800; }
[data-lang='he'] [data-tone='arena'] .ch__lead, [data-lang='ar'] [data-tone='arena'] .ch__lead,
[data-lang='he'] [data-tone='arena'] .chero__t, [data-lang='ar'] [data-tone='arena'] .chero__t { text-transform: none; letter-spacing: 0; }
[data-tone='arena'] .pullq { background: rgba(var(--acc-rgb), .07); }
[data-tone='arena'] .prin { grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); }

/* museum · ARTFOLIO — warm, spacious, curated */
[data-tone='museum'] .cs { background: #0b0805; }
[data-tone='museum'] .ch { padding-block: clamp(5rem, 15vh, 12rem); }
[data-tone='museum'] .ch__lead { font-family: 'Cormorant Garamond', var(--f-editorial); font-style: italic; font-weight: 400; font-size: clamp(1.9rem, 5.2vw, 4.2rem); }
[data-lang='he'] [data-tone='museum'] .ch__lead, [data-lang='ar'] [data-tone='museum'] .ch__lead { font-family: var(--f-display); font-style: normal; font-weight: 700; font-size: clamp(1.6rem, 4.4vw, 3.6rem); }
[data-tone='museum'] .pullq p { font-family: 'Cormorant Garamond', var(--f-editorial); }

/* community · FRENLOOP — soft, human, rounded */
[data-tone='community'] .cs { background: #1A1726; }
[data-tone='community'] .prin__c, [data-tone='community'] .mom__c, [data-tone='community'] .cs__nextl a { background: #1A1726; }
[data-tone='community'] .prin, [data-tone='community'] .mom, [data-tone='community'] .cs__nextl { background: rgba(255,244,226,.12); }
[data-tone='community'] .prin { border-radius: 14px; overflow: hidden; }
[data-tone='community'] .ch__lead { letter-spacing: -.015em; }
[data-tone='community'] .cclose { font-style: normal; font-family: var(--f-display); font-weight: 700; }

/* arcade · YOLKWARS — bold, blocky, high contrast */
[data-tone='arcade'] .cs { background: #0A0A12; }
[data-tone='arcade'] .prin__c, [data-tone='arcade'] .mom__c, [data-tone='arcade'] .cs__nextl a { background: #0A0A12; }
[data-tone='arcade'] .prin, [data-tone='arcade'] .mom, [data-tone='arcade'] .cs__nextl { background: #3A3A5E; }
[data-tone='arcade'] .ch__n, [data-tone='arcade'] .prin__n, [data-tone='arcade'] .mom__n {
  font-family: 'Press Start 2P', monospace; font-size: 8px; letter-spacing: 0;
}
[data-tone='arcade'] .chero__t { letter-spacing: -.03em; }
[data-tone='arcade'] .cclose { font-family: var(--f-display); font-style: normal; font-weight: 800; }
[data-tone='arcade'] .pullq::before { height: 3px; background: var(--acc); }

/* system · LUMEVE — structured, modular, precise */
[data-tone='system'] .ch { padding-block: clamp(3.5rem, 11vh, 9rem); }
[data-tone='system'] .cwrap { max-width: 1180px; }
[data-tone='system'] .ch__body { max-width: 70ch; }
[data-tone='system'] .ch__lead { font-weight: 700; letter-spacing: -.03em; }
[data-tone='system'] .prin { grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); }
[data-tone='system'] .pullq p { font-family: var(--f-display); font-style: normal; font-weight: 700; letter-spacing: -.03em; }

/* luxury · ICED SMOKE — atmospheric, restrained, generous */
[data-tone='luxury'] .cs { background: #080808; }
[data-tone='luxury'] .prin__c, [data-tone='luxury'] .mom__c, [data-tone='luxury'] .cs__nextl a { background: #080808; }
[data-tone='luxury'] .ch { padding-block: clamp(5rem, 17vh, 14rem); }
[data-tone='luxury'] .ch__lead { font-family: 'Bebas Neue', var(--f-display); font-weight: 400; font-size: clamp(2rem, 6vw, 5rem); letter-spacing: .01em; line-height: 1; }
[data-lang='he'] [data-tone='luxury'] .ch__lead, [data-lang='ar'] [data-tone='luxury'] .ch__lead { font-family: var(--f-display); font-size: clamp(1.6rem, 4.4vw, 3.4rem); line-height: 1.3; }
[data-tone='luxury'] .chero__t { font-family: 'Bebas Neue', var(--f-display); font-weight: 400; letter-spacing: .01em; }
[data-lang='he'] [data-tone='luxury'] .chero__t, [data-lang='ar'] [data-tone='luxury'] .chero__t { font-family: var(--f-display); }
[data-tone='luxury'] .pullq { border-block-color: rgba(var(--acc-rgb), .3); }

/* warm · MONSEURRO — refined, operational, light-touched */
[data-tone='warm'] .cs { background: #0C0B09; }
[data-tone='warm'] .prin__c, [data-tone='warm'] .mom__c, [data-tone='warm'] .cs__nextl a { background: #0C0B09; }
[data-tone='warm'] .ch__lead { font-family: 'Amiri', var(--f-editorial); font-weight: 700; font-style: normal; }
[data-lang='he'] [data-tone='warm'] .ch__lead { font-family: var(--f-display); font-weight: 700; }
[data-tone='warm'] .pullq p { font-family: 'Amiri', var(--f-editorial); font-style: normal; }
[data-lang='he'] [data-tone='warm'] .pullq p { font-family: var(--f-display); }
[data-tone='warm'] .cstrip__i { aspect-ratio: 1; }

/* ---- MOBILE ------------------------------------------------------------- */
@media (max-width: 760px) {
  .cs { --csbar: 52px; }
  .chero { min-height: 88svh; }
  .chero__t { font-size: calc(min(clamp(2rem, 11vw, 3.4rem), calc(26svh / var(--lines, 3))) * var(--fit, 1)); }
  .chero__s { font-size: 1rem; max-width: none; }
  .chero__meta { gap: .9rem; }
  .ch { padding-block: clamp(3rem, 9vh, 5rem) !important; }
  .ch__lead { max-width: none; }
  .pullq p { font-size: clamp(1.35rem, 7vw, 2rem); max-width: none; }
  .cclose { font-size: clamp(1.45rem, 8vw, 2.2rem); max-width: none; }
  .cs__footin { flex-direction: column; }
  .cs__nextl { grid-template-columns: repeat(2, 1fr); }
}

@media (prefers-reduced-motion: reduce) {
  .cs, .case-host { transition: none; }
  .prin__c, .mom__c { opacity: 1 !important; transform: none !important; }
  .cstrip__i { clip-path: none !important; }
  .cstrip__i img { transform: none !important; }
}