/* ---------- Case study page styles ---------- */

.cs-nav {
  mix-blend-mode: normal;
}
.cs-nav__back {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--ink);
  font-family: var(--font-mono);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.cs-nav__back:hover { color: var(--accent); }

.cs-hero {
  padding: 120px var(--pad) 40px;
  max-width: var(--max);
  margin: 0 auto;
}
.cs-hero__meta {
  display: flex;
  gap: 16px;
  align-items: center;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--mute);
  margin-bottom: 40px;
}
.cs-hero__meta span::after {
  content: "/";
  margin-left: 16px;
  color: var(--line);
}
.cs-hero__meta span:last-child::after { display: none; }

.cs-hero__title {
  font-size: clamp(36px, 5.2vw, 84px);
  line-height: 1.0;
  letter-spacing: -0.03em;
  font-weight: 400;
  margin-bottom: 36px;
  max-width: 20ch;
  text-wrap: balance;
}
.cs-hero__title em {
  font-style: italic;
  font-family: "Instrument Serif", serif;
  color: var(--accent);
}

.cs-hero__summary {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 60px;
  padding-top: 40px;
  border-top: 1px solid var(--line);
}
.cs-hero__summary p {
  font-size: clamp(18px, 1.6vw, 22px);
  line-height: 1.45;
  color: var(--ink-2);
  text-wrap: pretty;
}
.cs-hero__facts {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px 40px;
}
.cs-hero__fact h5 {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--mute);
  font-weight: 400;
  margin-bottom: 8px;
}
.cs-hero__fact p {
  font-size: 15px;
  line-height: 1.4;
  color: var(--ink);
}

/* Hero media */
.cs-media {
  max-width: var(--max);
  margin: 40px auto;
  padding: 0 var(--pad);
}
.cs-media__big {
  border-radius: 6px;
  overflow: hidden;
  position: relative;
}
.cs-media__big.tile--img {
  aspect-ratio: auto;
  background: transparent !important;
}
.cs-media__big.tile--img > img,
.cs-media__big.tile--img > video {
  position: static !important;
  width: 100% !important;
  height: auto !important;
  inset: auto !important;
  object-fit: contain !important;
  padding: 0 !important;
  display: block;
}

/* Full-res image sections inside case studies: show images native */
.cs-twocol .tile--img,
.cs-scrollrow .tile--img {
  aspect-ratio: auto;
  background: transparent !important;
}
.cs-twocol .tile--img > img,
.cs-twocol .tile--img > video,
.cs-scrollrow .tile--img > img,
.cs-scrollrow .tile--img > video {
  position: static !important;
  width: 100% !important;
  height: auto !important;
  inset: auto !important;
  object-fit: contain !important;
  padding: 0 !important;
  display: block;
}
.cs-scrollrow .tile--img {
  flex: 0 0 auto;
  max-width: 60vw;
  height: auto !important;
}
.cs-scrollrow .tile--img > img,
.cs-scrollrow .tile--img > video {
  max-height: 560px;
  width: auto !important;
  max-width: 100%;
}

/* Narrative blocks */
.cs-narrative {
  max-width: 1100px;
  margin: 0 auto;
  padding: 100px var(--pad);
}
.cs-section-head {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 60px;
  margin-bottom: 48px;
  align-items: start;
}
.cs-section-head h2 {
  font-size: clamp(28px, 3.5vw, 48px);
  line-height: 1.05;
  letter-spacing: -0.03em;
  font-weight: 400;
  text-wrap: balance;
}
.cs-section-head h2 em {
  font-style: italic;
  font-family: "Instrument Serif", serif;
  color: var(--accent);
}
.cs-section-head__label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--mute);
  padding-top: 8px;
}

.cs-prose {
  max-width: 62ch;
  margin-left: auto;
  margin-right: 0;
  padding-left: 0;
}
.cs-prose p {
  font-size: 17px;
  line-height: 1.6;
  color: var(--ink-2);
  margin-bottom: 20px;
  text-wrap: pretty;
}
.cs-prose p:first-letter {
}
.cs-prose .pull {
  font-family: "Instrument Serif", serif;
  font-size: 28px;
  line-height: 1.3;
  color: var(--ink);
  font-style: italic;
  padding: 20px 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  margin: 32px 0;
}
.cs-prose ul {
  list-style: none;
  padding: 0;
  margin-bottom: 20px;
}
.cs-prose li {
  font-size: 17px;
  line-height: 1.6;
  color: var(--ink-2);
  padding-left: 22px;
  position: relative;
  margin-bottom: 8px;
}
.cs-prose li::before {
  content: "→";
  position: absolute;
  left: 0;
  color: var(--accent);
  font-family: var(--font-mono);
}

/* Vertical full-resolution image stack */
.cs-stack {
  max-width: 1100px;
  margin: 40px auto;
  padding: 0 var(--pad);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 48px;
}
.cs-stack figure {
  margin: 0;
  max-width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
}
.cs-stack img, .cs-stack video {
  max-width: 100%;
  width: auto;
  height: auto;
  display: block;
  border-radius: 4px;
}
.cs-stack figcaption {
  font-family: var(--font-mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--mute);
  margin-top: 12px;
}

/* Legacy — kept for any residual use */
.cs-twocol {
  display: flex;
  flex-direction: column;
  gap: 48px;
  max-width: 1100px;
  margin: 40px auto;
  padding: 0 var(--pad);
}
.cs-twocol .tile { aspect-ratio: auto; }

/* Stats strip */
.cs-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  max-width: var(--max);
  margin: 60px auto;
  padding: 40px var(--pad);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.cs-stat__num {
  font-size: clamp(40px, 5vw, 72px);
  line-height: 1;
  letter-spacing: -0.03em;
  font-weight: 400;
}
.cs-stat__num em {
  font-style: italic;
  font-family: "Instrument Serif", serif;
  color: var(--accent);
}
.cs-stat__label {
  font-family: var(--font-mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--mute);
  margin-top: 10px;
  max-width: 22ch;
  line-height: 1.4;
}

/* Next project */
.cs-next {
  padding: 120px var(--pad);
  max-width: var(--max);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 60px;
  align-items: center;
  border-top: 1px solid var(--line);
}
.cs-next__label {
  font-family: var(--font-mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--mute);
}
.cs-next a {
  display: block;
  transition: transform 0.4s;
}
.cs-next__link {
  font-size: clamp(40px, 6vw, 96px);
  line-height: 0.95;
  letter-spacing: -0.03em;
  font-weight: 400;
  text-wrap: balance;
  transition: color 0.3s;
}
.cs-next__link em {
  font-style: italic;
  font-family: "Instrument Serif", serif;
}
.cs-next a:hover .cs-next__link em { color: var(--accent); }
.cs-next__sub {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--mute);
  margin-top: 16px;
}

/* Frame / scroll-row of screens */
.cs-scrollrow {
  padding: 40px 0;
  overflow-x: auto;
  overflow-y: hidden;
  scroll-snap-type: x mandatory;
  display: flex;
  gap: 20px;
  scrollbar-width: thin;
  padding-left: var(--pad);
  padding-right: var(--pad);
  align-items: flex-start;
}
.cs-scrollrow .tile {
  flex: 0 0 auto;
  scroll-snap-align: start;
}

/* Quote block */
.cs-quote {
  max-width: 1000px;
  margin: 100px auto;
  padding: 60px var(--pad);
  text-align: center;
}
.cs-quote__mark {
  font-family: "Instrument Serif", serif;
  font-size: 120px;
  line-height: 0.5;
  color: var(--accent);
  margin-bottom: 20px;
}
.cs-quote__text {
  font-family: "Instrument Serif", serif;
  font-size: clamp(28px, 3.5vw, 48px);
  line-height: 1.2;
  font-style: italic;
  color: var(--ink);
  margin-bottom: 32px;
  text-wrap: balance;
}
.cs-quote__who {
  font-family: var(--font-mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--mute);
}

/* Process strip (numbered) */
.cs-process {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  max-width: var(--max);
  margin: 60px auto;
  padding: 0 var(--pad);
}
.cs-process__step {
  padding-top: 24px;
  border-top: 1px solid var(--line);
}
.cs-process__num {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--accent);
  letter-spacing: 0.06em;
  margin-bottom: 10px;
}
.cs-process__title {
  font-size: 18px;
  font-weight: 500;
  margin-bottom: 8px;
  letter-spacing: -0.01em;
}
.cs-process__desc {
  font-size: 14px;
  color: var(--ink-2);
  line-height: 1.5;
}

@media (max-width: 1024px) {
  .cs-hero__summary { grid-template-columns: 1fr; gap: 32px; }
  .cs-hero__facts { grid-template-columns: 1fr 1fr; }
  .cs-section-head { grid-template-columns: 1fr; gap: 16px; }
  .cs-twocol { grid-template-columns: 1fr; }
  .cs-stats { grid-template-columns: 1fr 1fr; }
  .cs-process { grid-template-columns: 1fr 1fr; }
  .cs-next { grid-template-columns: 1fr; gap: 24px; }
  .cs-scrollrow .tile { flex: 0 0 320px; height: 220px; }
}
@media (max-width: 640px) {
  .cs-hero__facts { grid-template-columns: 1fr; gap: 20px; }
  .cs-stats { grid-template-columns: 1fr; gap: 32px; }
  .cs-process { grid-template-columns: 1fr; }
  .cs-scrollrow .tile { flex: 0 0 260px; height: 180px; }
}


/* macOS browser window chrome wrapper */
.cs-browser {
  max-width: 1400px;
  margin: 0 auto;
  border-radius: 12px;
  overflow: hidden;
  background: #E8E4DD;
  box-shadow: 0 24px 60px -20px rgba(26,24,22,0.28), 0 4px 14px -4px rgba(26,24,22,0.14);
  border: 1px solid var(--line);
}
.cs-browser__bar {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 14px;
  padding: 11px 16px;
  background: linear-gradient(180deg, #F4F0EA, #E8E4DD);
  border-bottom: 1px solid var(--line);
}
.cs-browser__dots { display: flex; gap: 7px; }
.cs-browser__dot {
  width: 12px; height: 12px; border-radius: 50%;
  display: block;
  box-shadow: inset 0 0 0 0.5px rgba(0,0,0,0.15);
}
.cs-browser__dot--r { background: #FF5F57; }
.cs-browser__dot--y { background: #FEBC2E; }
.cs-browser__dot--g { background: #28C840; }
.cs-browser__url {
  background: #FFFFFF;
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 6px 14px;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--ink-2);
  text-align: center;
  letter-spacing: 0.02em;
  max-width: 420px;
  width: 100%;
  justify-self: center;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.cs-browser__spacer { width: 52px; } /* balance dots on the right */
.cs-browser__body {
  background: #0F0F12;
  line-height: 0;
}
.cs-browser__body > img,
.cs-browser__body > video {
  width: 100%;
  height: auto;
  display: block;
}

/* Stack-level browser frame variant: used inside .cs-stack figures */
.cs-stack figure.cs-browser { max-width: 100%; width: 100%; }


/* iPhone 15-style shell for single-screen mobile screenshots */
.cs-phone {
  --phone-w: 280px;
  width: var(--phone-w);
  aspect-ratio: 1 / 2.0;
  background: #0A0A0C;
  border-radius: calc(var(--phone-w) * 0.12);
  padding: calc(var(--phone-w) * 0.015);
  position: relative;
  box-shadow:
    0 30px 60px -25px rgba(0,0,0,0.35),
    0 0 0 1.5px #1F1F22,
    inset 0 0 0 1px rgba(255,255,255,0.08);
  flex: 0 0 var(--phone-w);
}
.cs-phone__screen {
  width: 100%;
  height: 100%;
  border-radius: calc(var(--phone-w) * 0.1);
  overflow: hidden;
  position: relative;
  background: #000;
}
.cs-phone__screen > img,
.cs-phone__screen > video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
/* Status bar - time left, battery/cell right */
.cs-phone__status {
  position: absolute;
  top: 0; left: 0; right: 0;
  height: calc(var(--phone-w) * 0.13);
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  padding: calc(var(--phone-w) * 0.04) calc(var(--phone-w) * 0.1) 0;
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Helvetica Neue", sans-serif;
  font-size: calc(var(--phone-w) * 0.055);
  font-weight: 600;
  color: var(--phone-ink, #0A0A0C);
  pointer-events: none;
  z-index: 2;
  letter-spacing: -0.01em;
}
.cs-phone[data-status-tint="light"] { --phone-ink: #FFFFFF; }
.cs-phone__icons {
  display: inline-flex;
  gap: calc(var(--phone-w) * 0.018);
  align-items: center;
}
.cs-phone__icons svg { display: block; }
/* Dynamic island */
.cs-phone__island {
  position: absolute;
  top: calc(var(--phone-w) * 0.035);
  left: 50%;
  transform: translateX(-50%);
  width: calc(var(--phone-w) * 0.32);
  height: calc(var(--phone-w) * 0.085);
  background: #000;
  border-radius: calc(var(--phone-w) * 0.05);
  z-index: 3;
}

/* Row of phones */
.cs-phone-row {
  display: flex;
  gap: 48px;
  flex-wrap: wrap;
  justify-content: center;
  max-width: 1200px;
  margin: 60px auto;
  padding: 0 calc(var(--pad) * 1.5);
}
.cs-phone-row figure {
  margin: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
}
.cs-phone-row figcaption {
  font-family: var(--font-mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--mute);
  text-align: center;
  max-width: 260px;
  line-height: 1.4;
}

/* Mini browser chrome *inside* a phone screen: screen becomes flex column with browser bar + content */
.cs-phone--browser .cs-phone__screen {
  display: flex;
  flex-direction: column;
  background: #F2F2F4;
}
.cs-phone-browser {
  flex: 0 0 auto;
  /* reserve space below the status bar area at top */
  margin-top: calc(var(--phone-w) * 0.13);
  height: calc(var(--phone-w) * 0.11);
  background: #F2F2F4;
  border-bottom: 1px solid rgba(0,0,0,0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0 calc(var(--phone-w) * 0.04);
}
.cs-phone-browser__url {
  background: #FFFFFF;
  border-radius: 999px;
  padding: calc(var(--phone-w) * 0.013) calc(var(--phone-w) * 0.06);
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Helvetica Neue", sans-serif;
  font-size: calc(var(--phone-w) * 0.042);
  color: rgba(0,0,0,0.55);
  font-weight: 500;
  letter-spacing: -0.01em;
  max-width: 90%;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  display: inline-flex;
  align-items: center;
  gap: calc(var(--phone-w) * 0.018);
  box-shadow: 0 1px 2px rgba(0,0,0,0.04);
}
.cs-phone-browser__url svg { opacity: 0.55; flex-shrink: 0; }
.cs-phone--browser .cs-phone__content {
  flex: 1 1 auto;
  overflow: hidden;
  position: relative;
}
.cs-phone--browser .cs-phone__content > img,
.cs-phone--browser .cs-phone__content > video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}