:root {
  --bg: #fafaf7;
  --text: #1a1a1a;
  --muted: #5a5a5a;
  --accent: #1d4ed8;
  --border: #e5e5e0;
  --max-width: 720px;
}

* {
  box-sizing: border-box;
}

html {
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  font-size: 17px;
  line-height: 1.65;
  color: var(--text);
  background: var(--bg);
  margin: 0;
  padding: 0;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

main {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 4.5rem 1.5rem 6rem;
}

@media (max-width: 600px) {
  body {
    font-size: 16px;
  }
  main {
    padding: 2.5rem 1.25rem 4rem;
  }
}

.hero {
  margin-bottom: 4rem;
  padding-bottom: 2.5rem;
  border-bottom: 1px solid var(--border);
}

h1 {
  font-size: clamp(2.25rem, 5vw, 3.25rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin: 0 0 0.5rem;
  line-height: 1.1;
}

.tagline {
  font-size: clamp(1.125rem, 2.5vw, 1.375rem);
  color: var(--text);
  margin: 0 0 1.25rem;
  font-weight: 500;
}

.meta {
  font-size: 0.95rem;
  color: var(--muted);
  margin: 0 0 0.25rem;
}

.meta:last-of-type {
  margin-bottom: 0;
}

h2 {
  font-size: 1.375rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  margin: 0 0 1.5rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--border);
}

h3 {
  font-size: 1.125rem;
  font-weight: 600;
  margin: 0 0 0.25rem;
  letter-spacing: -0.005em;
}

section {
  margin-bottom: 4rem;
}

section:last-of-type {
  margin-bottom: 0;
}

.case-studies article {
  margin-bottom: 2rem;
}

.case-studies article:last-child {
  margin-bottom: 0;
}

.case-studies p.ctx {
  font-size: 0.9rem;
  color: var(--muted);
  margin: 0 0 0.75rem;
}

.case-studies article p {
  margin: 0.5rem 0 0;
}

ul {
  padding-left: 1.25rem;
  margin: 0;
}

li {
  margin-bottom: 0.75rem;
}

li:last-child {
  margin-bottom: 0;
}

a {
  color: var(--accent);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 0.15s ease;
}

a:hover,
a:focus {
  border-bottom-color: var(--accent);
}

a:focus {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

footer {
  margin-top: 4rem;
  padding-top: 2rem;
  border-top: 1px solid var(--border);
  font-size: 0.95rem;
  color: var(--muted);
}

p {
  margin: 0 0 1rem;
}

p:last-child {
  margin-bottom: 0;
}

strong {
  font-weight: 600;
}

.slideshow-container {
  position: relative;
  background: #1a1a1a;
  border-radius: 4px;
  overflow: hidden;
  aspect-ratio: 16 / 10;
}

.slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity 0.5s ease;
  pointer-events: none;
}

.slide.active {
  opacity: 1;
  pointer-events: auto;
}

.slide img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
}

.slide .caption {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 1.5rem 1rem 0.75rem;
  margin: 0;
  background: linear-gradient(transparent, rgba(0, 0, 0, 0.75));
  color: #fff;
  font-size: 0.9rem;
  text-align: center;
}

.slide-prev,
.slide-next {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: rgba(0, 0, 0, 0.45);
  border: none;
  color: #fff;
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 50%;
  font-size: 1.5rem;
  line-height: 1;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0;
  transition: background 0.15s ease;
  z-index: 2;
}

.slide-prev:hover,
.slide-next:hover,
.slide-prev:focus,
.slide-next:focus {
  background: rgba(0, 0, 0, 0.75);
  outline: none;
}

.slide-prev { left: 0.75rem; }
.slide-next { right: 0.75rem; }

.slide-dots {
  display: flex;
  gap: 0.5rem;
  justify-content: center;
  margin-top: 0.875rem;
}

.dot {
  width: 0.5rem;
  height: 0.5rem;
  border-radius: 50%;
  background: var(--border);
  border: none;
  cursor: pointer;
  padding: 0;
  transition: background 0.15s ease, transform 0.15s ease;
}

.dot.active {
  background: var(--accent);
}

.dot:hover {
  background: var(--muted);
  transform: scale(1.2);
}

.dot:focus {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

@media (max-width: 600px) {
  .slide-prev,
  .slide-next {
    width: 2rem;
    height: 2rem;
    font-size: 1.25rem;
  }
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #141413;
    --text: #ededeb;
    --muted: #9a9a96;
    --accent: #60a5fa;
    --border: #2a2a28;
  }
}