/* ============================================================
   tevyy® — case study pages
   builds on style.css (vars, nav, buttons, cursor, grain)
   ============================================================ */

.casepage { background: var(--paper); }

/* ---------- hero ---------- */
.chero {
  position: relative; overflow: hidden;
  min-height: 88svh;
  display: flex; align-items: center;
}
#caseArt {
  position: absolute; left: 0; right: 0; bottom: 0;
  width: 100%; height: 66%;
  display: block; pointer-events: none;
  mask-image: linear-gradient(to bottom, transparent 0, #000 24%, #000 100%);
  -webkit-mask-image: linear-gradient(to bottom, transparent 0, #000 24%, #000 100%);
}
.chero__inner {
  position: relative; z-index: 2; width: 100%;
  padding: 9rem var(--pad) 5rem;
  max-width: 1160px; margin: 0 auto;
}
.chero__crumb {
  display: inline-flex; align-items: center; gap: 0.8rem;
  font-size: 0.72rem; letter-spacing: 0.24em; text-transform: uppercase;
  color: var(--ink-soft); margin-bottom: 2rem;
}
.chero__crumb b {
  font-weight: 700; letter-spacing: 0.16em;
  padding: 0.35rem 0.9rem; border-radius: 100px;
  color: var(--paper);
}
.chero__crumb b.is-roas { background: var(--accent); }
.chero__crumb b.is-lead { background: var(--accent2); color: var(--ink); }
.chero__title {
  font-size: clamp(2.8rem, 7.5vw, 6.8rem);
  line-height: 0.96; font-weight: 400; letter-spacing: -0.03em;
}
.chero__title em {
  font-family: var(--serif); font-style: italic; font-weight: 450;
  color: var(--accent); letter-spacing: -0.01em; margin-right: 0.12em;
}
.chero__title strong { font-family: var(--grotesk); font-weight: 700; text-transform: uppercase; letter-spacing: -0.04em; }
/* paper halo so the data-art line fades out behind the words (falling curves cross the title) */
.chero__title, .chero__one, .chero__crumb { text-shadow: 0 0 6px var(--paper), 0 0 14px var(--paper), 0 0 26px var(--paper); }
.chero__one {
  font-family: var(--serif); font-style: italic; font-weight: 460;
  font-size: clamp(1.15rem, 2vw, 1.55rem); line-height: 1.5;
  color: var(--ink-soft); max-width: 52ch; margin-top: 1.6rem;
}
.chero__meta {
  display: flex; flex-wrap: wrap; gap: 0.6rem;
  margin-top: 2.2rem;
}
.chero__meta li {
  display: inline-flex; align-items: center; gap: 0.55rem;
  border: 1px solid var(--line); border-radius: 100px;
  padding: 0.55rem 1.1rem;
  font-size: 0.78rem; font-weight: 500; color: var(--ink);
  background: rgba(253, 251, 244, 0.7);
}
.chero__meta svg { width: 16px; height: 16px; fill: currentColor; color: var(--accent); }

/* ---------- headline tiles ---------- */
.ctiles { padding: 0 var(--pad) clamp(4rem, 8vh, 6rem); }
.ctiles__grid {
  max-width: 1160px; margin: 0 auto;
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.1rem;
}
@media (max-width: 900px) { .ctiles__grid { grid-template-columns: 1fr 1fr; } }
.ctile {
  position: relative;
  border-radius: 4px 16px 16px 16px;
  background: linear-gradient(158deg, #1a1810, #0e0d08 78%);
  border: 1px solid rgba(244,241,232,0.1);
  color: var(--paper);
  padding: 1.6rem 1.5rem 1.4rem;
  overflow: visible;
}
.ctile::before {
  content: ""; position: absolute; top: -1px; left: 18px;
  width: 58px; height: 10px; transform: translateY(-100%);
  background: #1a1810;
  border: 1px solid rgba(244,241,232,0.1); border-bottom: 0;
  border-radius: 6px 6px 0 0;
}
.ctile__v {
  font-family: var(--grotesk); font-weight: 700;
  font-size: clamp(1.9rem, 3.2vw, 2.7rem); line-height: 1;
  letter-spacing: -0.03em; color: var(--accent);
  font-variant-numeric: tabular-nums;
}
.ctile__l { margin-top: 0.7rem; font-size: 0.8rem; color: rgba(244,241,232,0.62); }
.ctile__s { margin-top: 0.25rem; font-size: 0.68rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--accent2); }

/* ---------- story + facts ---------- */
.cstory {
  max-width: 1160px; margin: 0 auto;
  padding: clamp(2rem, 5vh, 4rem) var(--pad) clamp(3rem, 6vh, 5rem);
  display: grid; grid-template-columns: minmax(0, 1.6fr) minmax(0, 1fr);
  gap: clamp(2.5rem, 5vw, 5rem); align-items: start;
}
@media (max-width: 860px) { .cstory { grid-template-columns: 1fr; } }
.cstory__h {
  font-family: var(--grotesk); font-weight: 700; text-transform: uppercase;
  font-size: clamp(1.6rem, 3vw, 2.4rem); letter-spacing: -0.03em; line-height: 1;
  margin: 2.6rem 0 1.1rem;
}
.cstory__main .cstory__h:first-child { margin-top: 0; }
.cstory__h em {
  font-family: var(--serif); font-style: italic; font-weight: 420; text-transform: none;
  color: var(--accent2); font-size: 0.66em; vertical-align: 0.12em; margin-right: 0.12em;
}
.cstory__main p { color: var(--ink-soft); line-height: 1.75; font-size: 1.02rem; max-width: 58ch; }

.cfacts {
  position: sticky; top: 6.5rem;
  border: 1px solid var(--line); border-radius: 6px 18px 18px 18px;
  background: #fdfbf4; padding: 1.6rem 1.5rem;
  box-shadow: 0 26px 50px -40px rgba(23,22,17,0.5);
}
.cfacts h3 {
  font-size: 0.68rem; letter-spacing: 0.28em; text-transform: uppercase;
  color: var(--ink-soft); margin-bottom: 1.1rem; font-weight: 600;
}
.cfacts dl { display: flex; flex-direction: column; }
.cfacts .frow {
  display: flex; justify-content: space-between; gap: 1rem; align-items: baseline;
  border-top: 1px solid var(--line); padding: 0.7rem 0;
  font-size: 0.85rem;
}
.cfacts dt { color: var(--ink-soft); }
.cfacts dd { font-weight: 600; text-align: right; }
.cfacts .fsvc { display: flex; flex-wrap: wrap; gap: 0.4rem; justify-content: flex-end; }
.cfacts .fsvc a {
  font-size: 0.68rem; font-weight: 600; letter-spacing: 0.04em;
  border: 1px solid rgba(12,128,80,0.4); color: var(--accent);
  border-radius: 100px; padding: 0.3rem 0.75rem;
  transition: background 0.3s, color 0.3s;
}
.cfacts .fsvc a:hover { background: var(--accent); color: var(--paper); }

/* ---------- what we did ---------- */
.cmoves { max-width: 1160px; margin: 0 auto; padding: 0 var(--pad) clamp(4rem, 8vh, 6rem); }
.cmoves__h { margin-top: 0; }
.cmoves ol { list-style: none; counter-reset: mv; max-width: 820px; }
.cmoves li {
  counter-increment: mv;
  position: relative;
  padding: 1.5rem 0 1.5rem 5.2rem;
  border-top: 1px solid var(--line);
  color: var(--ink-soft); line-height: 1.7; font-size: 1rem;
}
.cmoves li:last-child { border-bottom: 1px solid var(--line); }
.cmoves li::before {
  content: "0" counter(mv);
  position: absolute; left: 0; top: 1.05rem;
  font-family: var(--serif); font-style: italic; font-weight: 420;
  font-size: 2.3rem; line-height: 1; color: rgba(12,128,80,0.4);
}

/* ---------- hourly clock band ---------- */
.cclock { background: #0c0b07; color: var(--paper); }
.cclock__inner { max-width: 900px; margin: 0 auto; padding: clamp(4.5rem, 9vh, 7rem) var(--pad); text-align: center; }
.cclock__kicker {
  display: inline-flex; align-items: center; gap: 0.7rem;
  font-size: 0.72rem; letter-spacing: 0.28em; text-transform: uppercase;
  color: var(--accent2); margin-bottom: 1.6rem; font-weight: 600;
}
.cclock__dot { width: 8px; height: 8px; border-radius: 50%; background: var(--accent); animation: pulse 2s infinite; }
.cclock__text {
  font-family: var(--serif); font-style: italic; font-weight: 460;
  font-size: clamp(1.3rem, 2.6vw, 1.9rem); line-height: 1.55;
}

/* ---------- results ---------- */
.cresults { max-width: 1160px; margin: 0 auto; padding: clamp(4rem, 8vh, 6rem) var(--pad); }
.cshift {
  margin: 1.5rem 0 2.2rem;
  border: 1px solid var(--line); border-radius: 6px 18px 18px 18px;
  background: #fdfbf4; padding: 1.6rem 1.6rem 1.9rem;
  max-width: 820px;
}
.cshift__head { display: flex; justify-content: space-between; align-items: baseline; gap: 1rem; margin-bottom: 1rem; }
.cshift__label { font-size: 0.72rem; letter-spacing: 0.22em; text-transform: uppercase; color: var(--ink-soft); font-weight: 600; }
.cshift__delta { font-family: var(--serif); font-style: italic; font-weight: 560; color: var(--accent); font-size: 1.3rem; }
.cshift__bars { display: flex; flex-direction: column; gap: 0.7rem; }
.cshift__row { display: flex; align-items: center; gap: 0.9rem; }
.cshift__tag { width: 52px; font-size: 0.62rem; letter-spacing: 0.14em; text-transform: uppercase; color: var(--ink-soft); flex-shrink: 0; }
.cshift__bar { flex: 1; height: 26px; border-radius: 6px; background: rgba(23,22,17,0.06); overflow: hidden; }
.cshift__bar i {
  display: block; height: 100%; border-radius: 6px;
  transform: scaleX(0); transform-origin: left;
}
.cshift__bar--before i { background: rgba(23,22,17,0.28); }
.cshift__bar--after i { background: var(--accent); }
.cshift__val { width: 74px; font-weight: 700; font-variant-numeric: tabular-nums; font-size: 0.95rem; }

.cresults__list { max-width: 820px; }
.cresults__list .rrow {
  display: flex; justify-content: space-between; align-items: baseline; gap: 1.5rem;
  border-top: 1px solid var(--line); padding: 1.1rem 0;
}
.cresults__list .rrow:last-child { border-bottom: 1px solid var(--line); }
.cresults__list dt { color: var(--ink-soft); font-size: 0.95rem; }
.cresults__list dd {
  font-family: var(--serif); font-style: italic; font-weight: 560;
  font-size: clamp(1.3rem, 2.4vw, 1.8rem); color: var(--accent);
  text-align: right; white-space: nowrap;
}

/* ---------- CTA + footer ---------- */
.ccta {
  max-width: 1160px; margin: 0 auto; text-align: center;
  padding: clamp(2rem, 4vh, 3rem) var(--pad) clamp(6rem, 10vh, 8rem);
}
.ccta__kick {
  font-family: var(--serif); font-style: italic; font-weight: 460;
  font-size: clamp(1.4rem, 2.8vw, 2.1rem); margin-bottom: 2rem;
}
.ccta__row { display: flex; justify-content: center; gap: 1rem; flex-wrap: wrap; }
/* prev / next case */
.cnext {
  max-width: 1160px; margin: 0 auto clamp(4rem, 8vh, 6rem); padding: 0 var(--pad);
  display: grid; grid-template-columns: 1fr 1fr; gap: 1rem;
}
.cnext__link {
  display: flex; flex-direction: column; gap: 0.6rem;
  border: 1px solid var(--line); border-radius: 8px 26px 26px 26px;
  padding: clamp(1.4rem, 2.4vw, 2rem); background: #faf7ee;
  transition: border-color 0.4s, transform 0.5s var(--ease);
}
.cnext__link--next { text-align: right; align-items: flex-end; }
.cnext__link:hover { border-color: rgba(12,128,80,0.45); transform: translateY(-4px); }
.cnext__dir { font-size: 0.66rem; font-weight: 600; letter-spacing: 0.16em; text-transform: uppercase; color: var(--ink-soft); }
.cnext__name { font-size: clamp(1.3rem, 2.6vw, 2rem); line-height: 1; letter-spacing: -0.02em; }
.cnext__name em { font-family: var(--serif); font-style: italic; font-weight: 460; color: var(--accent); }
.cnext__name strong { font-family: var(--grotesk); font-weight: 700; }
.cnext__hero { font-size: 0.82rem; color: var(--ink-soft); }
@media (max-width: 640px) {
  .cnext { grid-template-columns: 1fr; }
  .cnext__link--next { text-align: left; align-items: flex-start; }
}

.cfoot {
  border-top: 1px solid var(--line);
  padding: 2rem var(--pad); text-align: center;
  font-size: 0.75rem; letter-spacing: 0.1em; color: var(--ink-soft);
}

/* reveal helper */
.crv { opacity: 0; transform: translateY(28px); }