/* ============================================================
   Collins Creative — case study pages (new Superside design)
   Uses tokens + header/footer/buttons from styles.css
   ============================================================ */

/* ---- header ---- */
.cs-header { background: var(--ink); color: var(--on-dark); padding-top: calc(76px + clamp(48px, 6vw, 84px)); padding-bottom: clamp(40px, 5vw, 64px); }
.cs-header .wrap { max-width: calc(var(--maxw) + 48px); margin-inline: auto; padding-inline: 24px; }
.cs-back { display: inline-flex; align-items: center; gap: 9px; font-family: var(--mono); font-size: 12px; letter-spacing: .08em; text-transform: uppercase; color: var(--on-dark-mut); margin-bottom: 36px; transition: color .25s, gap .25s; }
.cs-back:hover { color: var(--accent-2); gap: 13px; }
.cs-back .a { transition: transform .25s var(--ease); }
.cs-back:hover .a { transform: translateX(-3px); }
.cs-eyebrow { font-family: var(--mono); font-size: 12px; letter-spacing: .16em; text-transform: uppercase; color: var(--accent-2); }
.cs-title { font-size: clamp(2.6rem, 5.6vw, 5rem); font-weight: 600; line-height: 0.98; letter-spacing: -0.03em; margin-top: 22px; max-width: 18ch; text-wrap: balance; color: var(--on-dark); }
.cs-title em { color: var(--accent-2); font-family: var(--serif); font-style: italic; font-weight: 400; }
.cs-dek { color: var(--on-dark-mut); font-size: clamp(1.1rem, 1.6vw, 1.35rem); line-height: 1.5; margin-top: 28px; max-width: 60ch; }

/* ---- hero frame ---- */
.cs-hero { background: var(--ink); padding-bottom: clamp(20px, 3vw, 40px); }
.cs-hero .wrap { max-width: calc(var(--maxw) + 48px); margin-inline: auto; padding-inline: 24px; }
.browser { border-radius: 16px; overflow: hidden; border: 1px solid var(--line-dark); background: #0c2a25; box-shadow: 0 50px 100px -50px rgba(0,0,0,.7); }
.browser-bar { display: flex; align-items: center; gap: 14px; padding: 13px 18px; background: rgba(255,255,255,.05); border-bottom: 1px solid var(--line-dark); }
.browser-bar .bdots { display: flex; gap: 7px; }
.browser-bar .bdots i { width: 11px; height: 11px; border-radius: 50%; background: rgba(255,255,255,.22); }
.browser-bar .burl { font-family: var(--mono); font-size: 12px; color: var(--on-dark-mut); letter-spacing: .02em; }
.browser img { width: 100%; display: block; }

/* live demo stage */
.cs-live-sec{background:var(--paper-2);padding-block:clamp(56px,7vw,96px);border-bottom:1px solid var(--line)}
.cs-live-sec .wrap{max-width:calc(var(--maxw) + 48px);margin-inline:auto;padding-inline:24px}
.cs-live-head h2{font-size:clamp(1.8rem,3.2vw,2.7rem);font-weight:600;letter-spacing:-.025em;line-height:1.06}
.cs-live-head p{color:var(--muted);font-size:1.05rem;margin-top:12px;max-width:52ch}
.cs-stage{display:flex;flex-wrap:wrap;gap:clamp(24px,3.5vw,48px);align-items:flex-start;justify-content:center;margin-top:clamp(28px,4vw,44px)}
.cs-desk{flex:1 1 560px;min-width:min(100%,320px);max-width:880px}
.cs-desk .fit{aspect-ratio:1440/900;position:relative;overflow:hidden;background:#fff}
.fit iframe,.fit-m iframe{position:absolute;top:0;left:0;border:0;max-width:none;transform-origin:top left}
.fit-m{position:absolute;inset:0;overflow:hidden}
a.burl{transition:color .25s}
a.burl:hover{color:var(--accent-2)}
.browser-bar .blive{margin-left:auto;display:inline-flex;align-items:center;gap:7px;font-family:var(--mono);font-size:10px;letter-spacing:.12em;text-transform:uppercase;color:var(--accent-2)}
.browser-bar .blive i{width:7px;height:7px;border-radius:50%;background:var(--accent-2);animation:csPulse 2.4s infinite}
@keyframes csPulse{0%{box-shadow:0 0 0 0 rgba(141,253,186,.5)}70%{box-shadow:0 0 0 7px rgba(141,253,186,0)}100%{box-shadow:0 0 0 0 rgba(141,253,186,0)}}
.cs-phonecol{flex:0 0 auto;display:flex;flex-direction:column;align-items:center}
.cs-cap{font-family:var(--mono);font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:var(--muted);text-align:center;margin-top:14px}
/* ---- meta ---- */
.cs-meta { background: var(--paper); padding-block: clamp(40px, 5vw, 64px); border-bottom: 1px solid var(--line); }
.cs-meta-grid { max-width: calc(var(--maxw) + 48px); margin-inline: auto; padding-inline: 24px; display: grid; grid-template-columns: repeat(3, 1fr); gap: clamp(28px, 4vw, 64px); }
.cs-meta-col h4 { font-family: var(--mono); font-size: 11.5px; letter-spacing: .14em; text-transform: uppercase; color: var(--muted); margin-bottom: 16px; font-weight: 500; }
.cs-tags { display: flex; flex-wrap: wrap; gap: 8px; }
.cs-tag { font-family: var(--sans); font-weight: 500; font-size: .9rem; letter-spacing: -0.01em; border: 1px solid var(--line); border-radius: 100px; padding: 8px 15px; color: var(--ink); }

/* ---- body ---- */
.cs-body { background: var(--paper); padding-block: clamp(56px, 7vw, 100px); }
.cs-body .wrap { max-width: 1000px; margin-inline: auto; padding-inline: var(--gut); }
.cs-prose { max-width: 680px; margin-inline: auto; padding-block: clamp(28px, 3vw, 44px); }
.cs-kicker { font-family: var(--mono); font-size: 12px; letter-spacing: .14em; text-transform: uppercase; color: var(--muted); margin-bottom: 18px; display: flex; align-items: center; gap: 10px; }
.cs-kicker::before { content: ""; width: 22px; height: 1px; background: var(--accent); }
.cs-prose h2 { font-size: clamp(1.8rem, 3.2vw, 2.7rem); font-weight: 600; line-height: 1.06; letter-spacing: -0.025em; text-wrap: balance; }
.cs-prose h2 em { color: var(--muted); }
.cs-prose p { color: var(--ink-2); font-size: 1.12rem; line-height: 1.62; margin-top: 20px; }
.cs-prose p strong { color: var(--ink); font-weight: 600; }
.cs-prose p em { font-family: var(--serif); font-style: italic; }

/* feature point list */
.cs-points { display: grid; grid-template-columns: 1fr 1fr; gap: 14px 28px; margin-top: 28px; }
.cs-points span { display: inline-flex; align-items: flex-start; gap: 12px; font-size: 1.02rem; line-height: 1.5; color: var(--ink-2); }
.cs-points i { flex: none; width: 22px; height: 22px; border-radius: 50%; background: var(--accent); color: var(--accent-ink); display: grid; place-items: center; font-size: 12px; font-style: normal; }

/* figures */
.cs-figure { margin-block: clamp(32px, 4vw, 56px); }
.cs-figure img { width: 100%; border-radius: 14px; border: 1px solid var(--line); display: block; }
.cs-figure.wide { max-width: 1000px; margin-inline: auto; }
.cs-figure figcaption { font-family: var(--mono); font-size: 12px; color: var(--muted); letter-spacing: .02em; margin-top: 16px; text-align: center; }

/* live link + image trio */
.cs-live{display:inline-flex;align-items:center;gap:8px;font-family:var(--mono);font-size:12.5px;letter-spacing:.08em;text-transform:uppercase;color:var(--accent-2);border-bottom:1px solid rgba(141,253,186,.35);padding-bottom:4px;margin-top:24px;transition:color .25s}
.cs-live:hover{color:var(--accent)}
.cs-trio{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;max-width:1000px;margin:clamp(32px,4vw,56px) auto}
.cs-trio img{width:100%;border-radius:14px;border:1px solid var(--line);display:block}
/* brand band */
.cs-brand { background: var(--ink); border-radius: 16px; padding: clamp(48px, 6vw, 90px); display: grid; place-items: center; margin-block: clamp(32px, 4vw, 56px); }
.cs-brand img { max-width: 460px; width: 100%; }

/* device block */
.cs-device-block { display: grid; grid-template-columns: 1fr 360px; gap: clamp(40px, 6vw, 90px); align-items: center; margin-block: clamp(40px, 5vw, 72px); max-width: 1000px; margin-inline: auto; }
.cs-device-copy h2 { font-size: clamp(1.7rem, 2.8vw, 2.4rem); font-weight: 600; line-height: 1.08; letter-spacing: -0.025em; }
.cs-device-copy p { color: var(--ink-2); font-size: 1.08rem; line-height: 1.6; margin-top: 18px; }
.phone { justify-self: center; width: 300px; height: 610px; background: #0a0a0a; border-radius: 44px; padding: 11px; box-shadow: 0 40px 80px -40px rgba(7,31,28,.5); }
.phone-screen { position: relative; width: 100%; height: 100%; border-radius: 34px; overflow: hidden; background: #fff; }
.phone-notch { position: absolute; top: 12px; left: 50%; transform: translateX(-50%); width: 100px; height: 26px; background: #0a0a0a; border-radius: 100px; z-index: 3; }
.phone-scroll { position: absolute; inset: 0; overflow-y: auto; scrollbar-width: none; }
.phone-scroll::-webkit-scrollbar { display: none; }
.phone-scroll img { width: 100%; display: block; }

/* stats */
.cs-stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: clamp(24px, 4vw, 56px); max-width: 1000px; margin: clamp(40px, 5vw, 64px) auto; padding-top: clamp(32px, 4vw, 48px); border-top: 1px solid var(--line); }
.cs-stat .n { font-family: var(--serif); font-size: clamp(2.8rem, 5vw, 4.4rem); line-height: 0.85; color: var(--ink); letter-spacing: -0.01em; }
.cs-stat .l { color: var(--muted); font-size: 1rem; line-height: 1.45; margin-top: 18px; }

/* pull quote */
.cs-pull { max-width: 880px; margin: clamp(40px, 5vw, 72px) auto; text-align: center; }
.cs-pull blockquote { font-family: var(--sans); font-weight: 500; font-size: clamp(1.6rem, 3.2vw, 2.6rem); line-height: 1.18; letter-spacing: -0.025em; text-wrap: balance; }
.cs-pull .hl { color: var(--muted); font-family: var(--serif); font-style: italic; font-weight: 400; }
.cs-pull .by { font-family: var(--mono); font-size: 13px; color: var(--muted); letter-spacing: .04em; margin-top: 26px; }

/* project lead */
.lead-block { display: grid; grid-template-columns: 280px 1fr; gap: clamp(32px, 5vw, 72px); align-items: center; max-width: 1000px; margin-inline: auto; }
.lead-photo { border-radius: 16px; overflow: hidden; aspect-ratio: 4/4.6; border: 1px solid var(--line); }
.lead-photo img { width: 100%; height: 100%; object-fit: cover; }
.lead-name { font-family: var(--sans); font-weight: 700; font-size: 1.7rem; letter-spacing: -0.02em; margin-bottom: 14px; }
.lead-copy p { color: var(--ink-2); font-size: 1.08rem; line-height: 1.6; margin-bottom: 14px; max-width: 52ch; }

/* mid cta */
.cs-midcta { background: var(--paper); padding-block: clamp(48px, 6vw, 80px); border-top: 1px solid var(--line); }
.cs-midcta-inner { max-width: calc(var(--maxw) + 48px); margin-inline: auto; padding-inline: 24px; display: flex; align-items: center; justify-content: space-between; gap: 30px; flex-wrap: wrap; }
.cs-midcta-inner h3 { font-size: clamp(1.5rem, 2.6vw, 2.2rem); font-weight: 600; letter-spacing: -0.02em; max-width: 22ch; }

/* related */
.related { background: var(--paper-2); padding-block: clamp(56px, 7vw, 100px); }
.related .wrap { max-width: calc(var(--maxw) + 48px); margin-inline: auto; padding-inline: 24px; }
.related-head { display: flex; align-items: baseline; justify-content: space-between; gap: 24px; margin-bottom: clamp(32px, 4vw, 48px); }
.related-head h2 { font-size: clamp(1.8rem, 3vw, 2.6rem); font-weight: 600; letter-spacing: -0.025em; }
.related-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.related-card { background: var(--card); border: 1px solid var(--line); border-radius: 16px; overflow: hidden; transition: transform .35s var(--ease), box-shadow .35s var(--ease); display: block; }
.related-card:hover { transform: translateY(-4px); box-shadow: 0 30px 60px -40px rgba(7,31,28,.4); }
.related-thumb { width: 100%; aspect-ratio: 16/10; object-fit: cover; display: block; }
.related-card .tag { font-family: var(--mono); font-size: 11px; letter-spacing: .1em; text-transform: uppercase; color: var(--muted); padding: 24px 26px 0; }
.related-card h3 { font-size: 1.4rem; font-weight: 600; letter-spacing: -0.02em; padding: 12px 26px 0; }
.related-card p { color: var(--muted); font-size: 1rem; line-height: 1.5; padding: 12px 26px 28px; }

/* responsive */
@media (max-width: 880px) {
  .cs-meta-grid { grid-template-columns: 1fr; gap: 28px; }
  .cs-points { grid-template-columns: 1fr; }
  .cs-device-block { grid-template-columns: 1fr; }
  .cs-stats { grid-template-columns: 1fr; gap: 28px; }
  .lead-block { grid-template-columns: 1fr; }
  .lead-photo { max-width: 280px; }
  .related-grid { grid-template-columns: 1fr; }
  .cs-trio { grid-template-columns: 1fr; }
}