/* Case study shared styles */

.cs-hero {
  padding: 56px 0 60px;
  border-bottom: 1px solid var(--rule);
}

.cs-hero .crumbs {
  display: flex;
  gap: 4px;
  align-items: center;
  flex-wrap: wrap;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-muted);
  margin: -8px 0 24px;
}

.cs-hero .crumbs a {
  color: var(--ink-muted);
  padding: 8px;
  border-radius: 6px;
  transition: color .15s var(--ease), background .15s var(--ease);
}

.cs-hero .crumbs a:hover {
  color: var(--ink);
  background: var(--paper-soft);
}

.cs-hero .crumbs>span:not([class]) {
  padding: 0 2px;
}

.cs-hero h1 {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(48px, 7.5vw, 104px);
  line-height: 0.98;
  letter-spacing: -0.02em;
  margin: 0 0 32px;
  max-width: 13ch;
}

.cs-hero h1 em {
  font-style: italic;
  color: var(--sage-deep);
}

.cs-hero .lede {
  max-width: var(--container-prose);
}

.cs-meta {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 32px;
  padding: 40px 0 0;
  margin-top: 40px;
  border-top: 1px solid var(--rule-soft);
}

.cs-meta .cell {
  display: flex;
  flex-direction: column;
  gap: 6px;
  min-width: 0;
}

.cs-meta .cell .label {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-muted);
}

.cs-meta .cell .value {
  font-family: var(--serif);
  font-size: 18px;
  line-height: 1.3;
  color: var(--ink);
  overflow-wrap: break-word;
}

.cs-meta .cell .value em {
  font-style: italic;
  color: var(--sage-deep);
}

@media (max-width: 768px) {
  .cs-meta {
    grid-template-columns: 1fr 1fr;
    gap: 24px;
  }
}

@media (max-width: 420px) {
  .cs-meta {
    grid-template-columns: 1fr;
    gap: 20px;
  }
}

/* Hero visual */
.cs-hero-visual {
  margin: 56px auto 0;
  border-radius: 20px;
  overflow: hidden;
  position: relative;
  border: 1px solid var(--rule);
  aspect-ratio: 16/9;
}

/* Section */
.cs-section {
  padding: 96px 0 24px;
}

.cs-section+.cs-section {
  padding-top: 56px;
}

.cs-section .cs-head {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 48px;
  margin-bottom: 32px;
  align-items: baseline;
}

.cs-section .cs-head .marker {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-muted);
  position: sticky;
  top: 90px;
}

.cs-section h2 {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(32px, 4.6vw, 56px);
  line-height: 1.05;
  letter-spacing: -0.02em;
  margin: 0;
  max-width: 18ch;
}

.cs-section h2 em {
  font-style: italic;
  color: var(--sage-deep);
}

@media (max-width: 768px) {
  .cs-section .cs-head {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .cs-section .cs-head .marker {
    position: static;
  }
}

.cs-prose {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 48px;
}

.cs-prose .body {
  max-width: var(--container-prose);
  font-size: 17px;
  line-height: 1.65;
  color: var(--ink-soft);
}

.cs-prose .body p+p {
  margin-top: 1.1em;
}

.cs-prose .body strong {
  color: var(--ink);
  font-weight: 500;
}

.cs-prose .body em {
  font-style: italic;
  color: var(--sage-deep);
}

.cs-prose .body .pull {
  font-family: var(--serif);
  font-size: 28px;
  line-height: 1.3;
  color: var(--ink);
  letter-spacing: -0.005em;
  padding: 24px 0 24px 24px;
  border-left: 2px solid var(--sage);
  margin: 32px 0;
  font-style: italic;
}

.cs-prose .placeholder {
  width: 100%;
}

@media (max-width: 768px) {
  .cs-prose {
    grid-template-columns: 1fr;
    gap: 12px;
  }
}

/* Image / mockup grid */
.cs-grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  padding: 48px 0;
}

.cs-grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  padding: 48px 0;
}

@media (max-width: 768px) {

  .cs-grid-2,
  .cs-grid-3 {
    grid-template-columns: 1fr;
  }
}

.cs-image {
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid var(--rule-soft);
  background: var(--paper-soft);
  aspect-ratio: 4/3;
  position: relative;
}

.cs-image.tall {
  aspect-ratio: 9/16;
}

.cs-image.wide {
  aspect-ratio: 16/9;
}

.cs-image.auto {
  aspect-ratio: auto;
}

.cs-image svg {
  width: 100%;
  height: 100%;
  display: block;
}

.cs-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.cs-image .caption {
  position: absolute;
  bottom: 12px;
  left: 14px;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--paper);
  background: rgba(26, 24, 20, .7);
  backdrop-filter: blur(6px);
  padding: 5px 10px;
  border-radius: 999px;
}

/* ============================================
   Device Mockups — Browser & Phone frames
   ============================================ */

/* Browser Mockup (Desktop) */
.mockup-browser {
  background: var(--bg-2);
  border-radius: 12px;
  overflow: hidden;
  box-shadow:
    0 2px 4px rgba(0, 0, 0, 0.04),
    0 8px 16px rgba(0, 0, 0, 0.08),
    0 24px 48px rgba(0, 0, 0, 0.12);
  border: 1px solid var(--line);
}

html[data-mode="dark"] .mockup-browser {
  box-shadow:
    0 2px 4px rgba(0, 0, 0, 0.2),
    0 8px 16px rgba(0, 0, 0, 0.3),
    0 24px 48px rgba(0, 0, 0, 0.4);
}

.mockup-browser .browser-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 16px;
  background: var(--bg-3);
  border-bottom: 1px solid var(--line);
}

.mockup-browser .browser-dots {
  display: flex;
  gap: 6px;
}

.mockup-browser .browser-dots span {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--line-strong);
}

html[data-mode="dark"] .mockup-browser .browser-dots span {
  background: rgba(255, 255, 255, 0.15);
}

.mockup-browser .browser-dots span:nth-child(1) {
  background: #ff5f57;
}

.mockup-browser .browser-dots span:nth-child(2) {
  background: #ffbd2e;
}

.mockup-browser .browser-dots span:nth-child(3) {
  background: #28c840;
}

.mockup-browser .browser-url {
  flex: 1;
  margin-left: 12px;
  padding: 6px 12px;
  background: var(--bg);
  border-radius: 6px;
  font-family: var(--mono);
  font-size: 11px;
  color: var(--ink-faint);
  border: 1px solid var(--line);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 300px;
}

.mockup-browser .browser-content {
  position: relative;
  background: var(--bg);
}

.mockup-browser .browser-content img {
  width: 100%;
  height: auto;
  display: block;
}

.mockup-browser .browser-content .placeholder {
  aspect-ratio: 16/9;
  background: linear-gradient(135deg, var(--bg-2) 0%, var(--bg-3) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--ink-faint);
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

/* Phone Mockup (Mobile) */
.mockup-phone {
  --phone-bezel: 12px;
  --phone-radius-outer: 44px;
  --phone-radius-inner: 36px;
  display: inline-block;
  background: #1a1a1a;
  border-radius: var(--phone-radius-outer);
  padding: var(--phone-bezel);
  box-shadow:
    0 2px 4px rgba(0, 0, 0, 0.08),
    0 8px 16px rgba(0, 0, 0, 0.12),
    0 24px 48px rgba(0, 0, 0, 0.16),
    inset 0 0 0 1px rgba(255, 255, 255, 0.08);
}

html[data-mode="dark"] .mockup-phone {
  box-shadow:
    0 2px 4px rgba(0, 0, 0, 0.3),
    0 8px 16px rgba(0, 0, 0, 0.4),
    0 24px 48px rgba(0, 0, 0, 0.5),
    inset 0 0 0 1px rgba(255, 255, 255, 0.1);
}

.mockup-phone .phone-screen {
  position: relative;
  border-radius: var(--phone-radius-inner);
  overflow: hidden;
  background: #000;
}

.mockup-phone .phone-screen img {
  width: 100%;
  height: auto;
  display: block;
}

.mockup-phone .phone-screen .placeholder {
  width: 280px;
  aspect-ratio: 9/19.5;
  background: linear-gradient(180deg, #1a1a1a 0%, #0a0a0a 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255, 255, 255, 0.3);
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

/* Phone notch/dynamic island */
.mockup-phone .phone-notch {
  position: absolute;
  top: 12px;
  left: 50%;
  transform: translateX(-50%);
  width: 100px;
  height: 28px;
  background: #000;
  border-radius: 20px;
  z-index: 10;
}

/* Phone home indicator */
.mockup-phone .phone-home {
  position: absolute;
  bottom: 8px;
  left: 50%;
  transform: translateX(-50%);
  width: 120px;
  height: 4px;
  background: rgba(255, 255, 255, 0.3);
  border-radius: 4px;
  z-index: 10;
}

/* Mockup wrapper layouts */
.mockup-wrapper {
  display: flex;
  justify-content: center;
  align-items: flex-start;
  padding: 32px;
  background: var(--paper-soft);
  border-radius: 16px;
  border: 1px solid var(--rule-soft);
}

.mockup-wrapper.dark {
  background: #0a0a0c;
  border-color: rgba(255, 255, 255, 0.08);
}

.mockup-wrapper.gradient {
  background: linear-gradient(145deg, var(--bg-2) 0%, var(--bg-3) 50%, var(--bg-2) 100%);
}

/* Phone pair layout (side by side) */
.mockup-phone-pair {
  display: flex;
  justify-content: center;
  align-items: flex-start;
  gap: 24px;
  padding: 40px 32px;
  background: var(--paper-soft);
  border-radius: 16px;
  border: 1px solid var(--rule-soft);
}

.mockup-phone-pair.dark {
  background: linear-gradient(145deg, #0a0a0c 0%, #000 100%);
  border-color: rgba(255, 255, 255, 0.06);
}

.mockup-phone-pair .mockup-phone {
  flex-shrink: 0;
}

/* Stacked phone layout (overlapping) */
.mockup-phone-stack {
  position: relative;
  display: flex;
  justify-content: center;
  padding: 40px 60px 40px 32px;
  background: var(--paper-soft);
  border-radius: 16px;
  border: 1px solid var(--rule-soft);
}

.mockup-phone-stack .mockup-phone:nth-child(2) {
  position: absolute;
  right: 32px;
  top: 50%;
  transform: translateY(-50%) rotate(6deg);
  z-index: 1;
}

.mockup-phone-stack .mockup-phone:nth-child(1) {
  position: relative;
  z-index: 2;
  transform: rotate(-3deg);
}

/* Browser + Phone combo layout */
.mockup-combo {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 24px;
  align-items: center;
  padding: 32px;
  background: var(--paper-soft);
  border-radius: 16px;
  border: 1px solid var(--rule-soft);
}

.mockup-combo .mockup-browser {
  width: 100%;
}

.mockup-combo .mockup-phone {
  justify-self: center;
}

@media (max-width: 768px) {
  .mockup-combo {
    grid-template-columns: 1fr;
  }

  .mockup-phone-pair {
    flex-direction: column;
    align-items: center;
    gap: 20px;
  }

  .mockup-phone-stack .mockup-phone:nth-child(2) {
    display: none;
  }

  .mockup-phone-stack .mockup-phone:nth-child(1) {
    transform: none;
  }
}

/* Floating mockup (angled with shadow) */
.mockup-float {
  padding: 48px 32px;
  background: linear-gradient(145deg, var(--bg-2) 0%, var(--bg-3) 100%);
  border-radius: 20px;
  border: 1px solid var(--rule-soft);
  display: flex;
  justify-content: center;
  perspective: 1200px;
}

.mockup-float .mockup-browser {
  transform: rotateY(-8deg) rotateX(4deg);
  transform-style: preserve-3d;
}

.mockup-float .mockup-phone {
  transform: rotateY(8deg) rotateX(4deg);
  transform-style: preserve-3d;
}

/* Outcomes block */
.cs-outcomes {
  margin: 96px 0 0;
  padding: 56px 0;
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
}

.cs-outcomes h3 {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-muted);
  margin: 0 0 32px;
}

.cs-outcomes-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 32px;
}

.cs-outcomes .out {
  min-width: 0;
}

.cs-outcomes .out .num {
  font-family: var(--serif);
  font-size: clamp(56px, 8vw, 96px);
  line-height: 1;
  letter-spacing: -0.04em;
  color: var(--ink);
}

.cs-outcomes .out .num.sage {
  color: var(--sage-deep);
}

.cs-outcomes .out .num.terra {
  color: var(--terracotta);
}

.cs-outcomes .out .num em {
  font-style: italic;
}

.cs-outcomes .out .label {
  margin-top: 14px;
  font-size: 14px;
  color: var(--ink-soft);
  line-height: 1.4;
  max-width: 24ch;
}

@media (max-width: 768px) {
  .cs-outcomes-grid {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }
}

/* Process strip — sticky timeline */
.cs-timeline {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 48px;
  padding: 48px 0;
}

.cs-timeline .marker {
  position: sticky;
  top: 90px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-muted);
  align-self: start;
}

.cs-timeline .steps {
  display: flex;
  flex-direction: column;
  gap: 28px;
  position: relative;
}

.cs-timeline .step {
  display: grid;
  grid-template-columns: 60px minmax(0, 1fr);
  gap: 24px;
  padding: 24px 0;
  border-top: 1px solid var(--rule-soft);
}

.cs-timeline .step:first-child {
  border-top: none;
}

.cs-timeline .step .step-num {
  font-family: var(--serif);
  font-style: italic;
  font-size: 32px;
  color: var(--sage);
  line-height: 1;
}

.cs-timeline .step h4 {
  font-family: var(--serif);
  font-size: 22px;
  font-weight: 400;
  margin: 0 0 8px;
  letter-spacing: -0.005em;
}

.cs-timeline .step p {
  font-size: 15px;
  color: var(--ink-soft);
  line-height: 1.55;
  margin: 0;
}

@media (max-width: 768px) {
  .cs-timeline {
    grid-template-columns: 1fr;
  }

  .cs-timeline .marker {
    position: static;
  }
}

/* Quote */
.cs-quote {
  margin: 96px 0 0;
  padding: 64px 0;
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
  text-align: center;
}

.cs-quote blockquote {
  margin: 0 auto;
  max-width: 900px;
  font-family: var(--serif);
  font-size: clamp(28px, 4vw, 48px);
  line-height: 1.2;
  letter-spacing: -0.01em;
  color: var(--ink);
}

.cs-quote blockquote em {
  font-style: italic;
  color: var(--sage-deep);
}

.cs-quote .who {
  margin-top: 28px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-muted);
}

/* Next case nav */
.cs-next {
  padding: 80px 0 40px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

.cs-next a {
  padding: 32px;
  border: 1px solid var(--rule-soft);
  border-radius: 14px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  transition: border-color .2s var(--ease), background .2s var(--ease);
  min-width: 0;
}

.cs-next a:hover {
  background: var(--paper-soft);
  border-color: var(--rule);
}

.cs-next a .label {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--ink-muted);
}

.cs-next a h4 {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(22px, 3.4vw, 28px);
  margin: 0;
  letter-spacing: -0.01em;
  line-height: 1.15;
}

.cs-next a h4 em {
  font-style: italic;
  color: var(--sage-deep);
}

.cs-next a.prev {
  text-align: left;
}

.cs-next a.next {
  text-align: right;
  align-items: flex-end;
}

@media (max-width: 660px) {
  .cs-next {
    grid-template-columns: 1fr;
    padding: 56px 0 32px;
  }

  .cs-next a {
    padding: 24px;
  }
}