/* Rollout Robotics — shared styles */

:root {
  --bg:      #f4f3ee;
  --ink:     #16160f;
  --muted:   #6f6e63;
  --rule:    #d9d7cc;
  --box:     #fbfaf5;
  --accent:  #16160f;

  --mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas,
          "Liberation Mono", monospace;
  --serif: "Iowan Old Style", "Palatino Linotype", Palatino, Palladio,
           "Book Antiqua", Georgia, serif;
}

* { box-sizing: border-box; }

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

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--mono);
  font-size: clamp(0.95rem, 0.62rem + 0.52vw, 1.09rem);
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

.wrap {
  width: 100%;
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 clamp(1.25rem, 4vw, 4rem);
}

/* ---------- header ---------- */

header {
  padding: clamp(2rem, 4vw, 3.25rem) 0 clamp(1.5rem, 3vw, 2.5rem);
}

.bar {
  display: flex;
  align-items: baseline;
  gap: clamp(1.5rem, 5vw, 4rem);
  flex-wrap: wrap;
}

.wordmark {
  font-family: var(--serif);
  font-size: clamp(1.9rem, 1.05rem + 2.6vw, 3.1rem);
  letter-spacing: -0.015em;
  line-height: 1.1;
  margin: 0;
  font-weight: 400;
}

.wordmark a { text-decoration: none; color: inherit; }

nav {
  display: flex;
  gap: clamp(1.1rem, 2.2vw, 2.1rem);
  font-size: clamp(0.9rem, 0.75rem + 0.3vw, 1.02rem);
}

nav a {
  color: var(--ink);
  text-decoration: none;
  padding-bottom: 3px;
  border-bottom: 1.5px solid var(--rule);
  transition: border-color 0.15s ease, opacity 0.15s ease;
}

nav a:hover { border-bottom-color: var(--ink); }

nav a[aria-current="page"] {
  border-bottom: 2px solid var(--ink);
}

/* ---------- main ---------- */

main {
  flex: 1 0 auto;
  padding-bottom: clamp(3rem, 8vw, 6rem);
}

a { color: var(--ink); text-underline-offset: 3px; }
a:hover { text-decoration-thickness: 2px; }

.lede {
  max-width: 80ch;
  font-size: clamp(1.05rem, 0.66rem + 0.72vw, 1.32rem);
  line-height: 1.7;
  margin: 0 0 clamp(2.5rem, 6vw, 4rem);
}

.lede .em { font-weight: 700; }

h2.section {
  font-size: clamp(1.05rem, 0.85rem + 0.4vw, 1.2rem);
  font-weight: 700;
  letter-spacing: 0.02em;
  margin: clamp(2.75rem, 6vw, 4.25rem) 0 1.5rem;
  padding-bottom: 0.6rem;
  border-bottom: 1px solid var(--rule);
}

h2.section:first-of-type { margin-top: 0; }

p { max-width: 88ch; }

.prose p { margin: 0 0 1.35rem; }
.prose p:last-child { margin-bottom: 0; }

.muted { color: var(--muted); }

/* ---------- card list (echoes the timeline blocks) ---------- */

.cards {
  display: grid;
  gap: clamp(0.85rem, 1.6vw, 1.15rem);
  margin: 0;
  padding: 0;
  list-style: none;
}

.card {
  background: var(--box);
  border: 1px solid var(--rule);
  padding: clamp(1.1rem, 2.4vw, 1.6rem) clamp(1.2rem, 2.6vw, 1.9rem);
}

.card.strong {
  border: 2px solid var(--ink);
}

.card-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 1.5rem;
  flex-wrap: wrap;
  margin-bottom: 0.5rem;
}

.card-title {
  font-weight: 700;
  font-size: clamp(0.98rem, 0.8rem + 0.35vw, 1.1rem);
  margin: 0;
}

.card-meta {
  color: var(--muted);
  font-size: 0.88em;
  white-space: nowrap;
}

.card p {
  margin: 0;
  color: #3d3c33;
  max-width: 74ch;
}

/* ---------- coming soon ---------- */

.placeholder {
  border: 1px dashed var(--rule);
  background: var(--box);
  padding: clamp(2.5rem, 8vw, 5.5rem) clamp(1.5rem, 4vw, 3rem);
  text-align: center;
}

.placeholder .big {
  font-family: var(--serif);
  font-size: clamp(1.6rem, 1rem + 2.2vw, 2.5rem);
  margin: 0 0 0.9rem;
  line-height: 1.2;
}

.placeholder p {
  margin: 0 auto;
  max-width: 54ch;
  color: var(--muted);
}

/* ---------- footer ---------- */

footer {
  flex-shrink: 0;
  border-top: 1px solid var(--rule);
  padding: clamp(1.75rem, 3.5vw, 2.5rem) 0 clamp(2rem, 4vw, 3rem);
  font-size: 0.93em;
}

.foot-grid {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 1.5rem 3rem;
  flex-wrap: wrap;
}

footer a { color: var(--ink); text-underline-offset: 3px; }
footer a:hover { text-decoration-thickness: 2px; }

.foot-label {
  color: var(--muted);
  display: block;
  margin-bottom: 0.15rem;
}

@media (max-width: 640px) {
  .bar { gap: 1rem; }
  nav { width: 100%; }
}