:root {
  --paper: #f2f0ea;
  --paper-light: #faf9f5;
  --ink: #191816;
  --muted: #706d66;
  --line: #cbc7bd;
  --accent: #4f46e5;
  --mono: 'JetBrains Mono', monospace;
  --sans: 'Space Grotesk', sans-serif;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--mono);
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; }

button, a { -webkit-tap-highlight-color: transparent; }

.site-header {
  align-items: center;
  backdrop-filter: blur(14px);
  background: rgba(242, 240, 234, 0.88);
  border-bottom: 1px solid var(--line);
  display: flex;
  height: 72px;
  justify-content: space-between;
  padding: 0 clamp(20px, 4vw, 64px);
  position: sticky;
  top: 0;
  z-index: 20;
}

.wordmark {
  align-items: baseline;
  display: flex;
  gap: 12px;
}

.studio-name {
  color: var(--ink);
  font-family: var(--sans);
  font-size: 22px;
  font-weight: 700;
  letter-spacing: -0.045em;
  text-decoration: none;
}

.rron-link,
.group-number {
  color: var(--muted);
  font-size: 10px;
  letter-spacing: 0.13em;
  text-decoration: none;
  text-transform: uppercase;
}

.website-link {
  align-items: center;
  display: inline-flex;
  font-size: 12px;
  gap: 10px;
  text-decoration: none;
  white-space: nowrap;
}

main,
.site-footer {
  margin: 0 auto;
  max-width: 1500px;
  width: 100%;
}

.hero {
  align-items: end;
  border-bottom: 1px solid var(--line);
  display: grid;
  gap: 26px 48px;
  grid-template-columns: minmax(0, 1.7fr) minmax(280px, 0.75fr);
  min-height: 490px;
  padding: clamp(70px, 10vw, 145px) clamp(20px, 4vw, 64px) clamp(56px, 7vw, 96px);
}

.hero h1 {
  font-family: var(--sans);
  font-size: clamp(48px, 7.1vw, 108px);
  font-weight: 700;
  letter-spacing: -0.065em;
  line-height: 0.9;
  margin: 0;
}

.hero-details {
  align-self: end;
  display: flex;
  flex-direction: column;
  gap: 34px;
  padding-bottom: 2px;
}

.hero p {
  color: var(--muted);
  font-size: clamp(12px, 1vw, 15px);
  line-height: 1.75;
  margin: 0;
  max-width: 440px;
}

.hero-actions {
  align-items: flex-start;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.hero-link {
  align-items: center;
  border-bottom: 1px solid var(--ink);
  display: flex;
  font-size: 11px;
  gap: 16px;
  justify-self: start;
  padding: 10px 0;
  text-decoration: none;
}

.gallery { padding: 0 clamp(20px, 4vw, 64px); }

.engine-group {
  border-bottom: 1px solid var(--line);
  padding: clamp(54px, 7vw, 94px) 0;
}

.group-heading {
  align-items: end;
  display: grid;
  gap: 28px;
  grid-template-columns: 1fr minmax(280px, 0.45fr);
  margin-bottom: 34px;
}

.group-heading > div {
  align-items: baseline;
  display: flex;
  gap: 18px;
}

.group-heading h2 {
  font-family: var(--sans);
  font-size: clamp(28px, 3vw, 46px);
  font-weight: 700;
  letter-spacing: -0.045em;
  line-height: 1;
  margin: 0;
}

.group-heading p {
  color: var(--muted);
  font-size: 11px;
  line-height: 1.65;
  margin: 0;
  max-width: 440px;
}

.engine-grid {
  display: grid;
  gap: 16px;
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.engine-card {
  background: var(--paper-light);
  border: 1px solid var(--line);
  color: var(--ink);
  display: block;
  min-width: 0;
  opacity: 0;
  overflow: hidden;
  text-decoration: none;
  transform: translateY(12px);
  transition: border-color 180ms ease, box-shadow 180ms ease, opacity 420ms ease, transform 420ms ease;
  transition-delay: calc(var(--card-order) * 35ms);
}

.engine-card.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.card-image {
  aspect-ratio: 3 / 2;
  background: #dedbd2;
  overflow: hidden;
}

.card-image img {
  display: block;
  height: 100%;
  object-fit: cover;
  transition: transform 360ms cubic-bezier(.2, .7, .2, 1);
  width: 100%;
}

.card-content { padding: 16px; }

.card-title {
  align-items: center;
  display: flex;
  gap: 10px;
  justify-content: space-between;
}

.card-title h3 {
  font-family: var(--sans);
  font-size: 17px;
  font-weight: 700;
  letter-spacing: -0.025em;
  margin: 0;
}

.card-title span { transition: transform 180ms ease; }

.card-content p {
  color: var(--muted);
  font-size: 10px;
  line-height: 1.55;
  margin: 9px 0 0;
  min-height: 3.1em;
}

.site-footer {
  display: grid;
  gap: 8px;
  padding: 48px clamp(20px, 4vw, 64px) 58px;
}

.site-footer strong {
  font-family: var(--sans);
  font-size: clamp(18px, 2vw, 26px);
  font-weight: 700;
  letter-spacing: -0.03em;
}

.site-footer p {
  color: var(--muted);
  font-size: 11px;
  line-height: 1.6;
  margin: 0;
}

.site-footer a {
  color: var(--ink);
  text-underline-offset: 3px;
}

:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 3px;
}

@media (hover: hover) {
  .website-link:hover, .site-footer a:hover { color: var(--accent); }
  .engine-card:hover {
    border-color: #8e8980;
    box-shadow: 0 16px 34px -24px rgba(25, 24, 22, 0.55);
    transform: translateY(-3px);
  }
  .engine-card:hover .card-image img { transform: scale(1.025); }
  .engine-card:hover .card-title span { transform: translate(2px, -2px); }
}

@media (max-width: 1100px) {
  .engine-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}

@media (max-width: 760px) {
  .site-header { height: 62px; }
  .wordmark { align-items: flex-start; flex-direction: column; gap: 1px; }
  .studio-name { font-size: 18px; }
  .rron-link { font-size: 8px; }
  .hero {
    align-items: start;
    display: flex;
    flex-direction: column;
    min-height: 440px;
    padding-top: 70px;
  }
  .hero-details { gap: 28px; }
  .hero p { margin: 0; max-width: 520px; }
  .group-heading { display: block; }
  .group-heading p { margin-top: 15px; }
  .engine-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; }
  .card-content { padding: 12px; }
  .card-title h3 { font-size: 14px; }
  .card-content p { font-size: 9px; min-height: 4.65em; }
}

@media (max-width: 360px) {
  .engine-grid { grid-template-columns: 1fr; }
  .card-content p { min-height: 0; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { scroll-behavior: auto !important; transition-duration: 0.01ms !important; }
  .engine-card { opacity: 1; transform: none; }
}