/* ai.io /cloudreboot portal — calm minimal styling, light + dark themes */

:root {
  --bg: #f7f5f0;
  --panel: #ffffff;
  --line: #e4e0d7;
  --line-strong: #cfcbc0;
  --ink: #1b1a17;
  --muted: #625e55;
  --faint: #98938a;
  --accent: #16624f;
  --accent-strong: #0f4c3c;
  --on-accent: #ffffff;
  --card-shadow-a: rgba(27, 26, 23, 0.05);
  --card-shadow-b: rgba(27, 26, 23, 0.07);
  --radius: 12px;
  --maxw: 1000px;
  color-scheme: light;
}

/* Explicit dark theme (set by theme.js) */
:root[data-theme="dark"] {
  --bg: #141311;
  --panel: #1f1e1a;
  --line: #2e2c26;
  --line-strong: #49443c;
  --ink: #ece9e1;
  --muted: #a9a294;
  --faint: #7c766a;
  --accent: #4fbf9b;
  --accent-strong: #6ed0af;
  --on-accent: #10231b;
  --card-shadow-a: rgba(0, 0, 0, 0.25);
  --card-shadow-b: rgba(0, 0, 0, 0.35);
  color-scheme: dark;
}

/* Automatic dark theme for no-JS visitors */
@media (prefers-color-scheme: dark) {
  :root:not([data-theme]) {
    --bg: #141311;
    --panel: #1f1e1a;
    --line: #2e2c26;
    --line-strong: #49443c;
    --ink: #ece9e1;
    --muted: #a9a294;
    --faint: #7c766a;
    --accent: #4fbf9b;
    --accent-strong: #6ed0af;
    --on-accent: #10231b;
    --card-shadow-a: rgba(0, 0, 0, 0.25);
    --card-shadow-b: rgba(0, 0, 0, 0.35);
    color-scheme: dark;
  }
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font: 16px/1.65 ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  color: var(--ink);
  background: var(--bg);
  min-height: 100vh;
  transition: background-color 0.2s ease, color 0.2s ease;
}

code {
  font-family: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  font-size: 0.92em;
  color: var(--accent);
}

.skip-link {
  position: absolute;
  left: -999px;
}
.skip-link:focus {
  left: 1rem;
  top: 1rem;
  z-index: 5;
  padding: 0.5rem 0.9rem;
  background: var(--accent);
  color: var(--on-accent);
  border-radius: 8px;
  font-weight: 600;
}

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

.site-header {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 1.6rem 1.5rem 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.brand {
  font-family: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  font-size: 1rem;
  letter-spacing: 0.03em;
}

.brand-name { color: var(--ink); font-weight: 700; }
.brand-dim { color: var(--faint); font-weight: 400; }

.theme-toggle {
  font: inherit;
  font-size: 0.85rem;
  color: var(--ink);
  background: transparent;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  padding: 0.45rem 1rem;
  cursor: pointer;
  transition: border-color 0.15s ease, color 0.15s ease;
}

.theme-toggle:hover { border-color: var(--accent); color: var(--accent); }
.theme-toggle:focus-visible { outline: 3px solid var(--accent); outline-offset: 2px; }

/* ---------- hero ---------- */

.hero {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 4.6rem 1.5rem 2.8rem;
}

.hero h1 {
  font-size: clamp(1.9rem, 4.4vw, 2.9rem);
  line-height: 1.2;
  margin: 0 0 1rem;
  font-weight: 800;
  letter-spacing: -0.015em;
}

.hero h1 em {
  font-style: normal;
  color: var(--accent);
}

.hero-sub {
  max-width: 44rem;
  color: var(--muted);
  margin: 0 0 1.9rem;
  font-size: 1.05rem;
}

.cta {
  display: inline-block;
  color: var(--on-accent);
  background: var(--accent);
  padding: 0.7rem 1.3rem;
  border-radius: 10px;
  text-decoration: none;
  font-weight: 600;
  transition: background 0.15s ease, transform 0.15s ease;
}

.cta:hover { background: var(--accent-strong); transform: translateY(-1px); }

.cta:focus-visible, .project-open:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 3px;
}

/* ---------- projects ---------- */

.projects {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0.6rem 1.5rem 3.2rem;
}

.section-heading {
  font-family: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  font-size: 0.78rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--faint);
  margin: 0 0 1.2rem;
}

.project-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 1.2rem;
}

.project-card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  box-shadow: 0 1px 2px var(--card-shadow-a), 0 8px 24px var(--card-shadow-b);
  transition: transform 0.18s ease, border-color 0.18s ease, background-color 0.2s ease;
}

.project-card:hover {
  transform: translateY(-3px);
  border-color: var(--line-strong);
}

.project-cover {
  display: block;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  border-bottom: 1px solid var(--line);
}

.project-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 30%;
}

.project-body {
  padding: 1.15rem 1.25rem 1.3rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  flex: 1;
}

.project-title-row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.8rem;
}

.project-title-row h3 {
  margin: 0;
  font-size: 1.3rem;
  letter-spacing: -0.01em;
}

.project-kind {
  font-family: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  font-size: 0.7rem;
  color: var(--accent);
  border: 1px solid var(--accent);
  padding: 0.2rem 0.55rem;
  border-radius: 999px;
  white-space: nowrap;
  opacity: 0.85;
}

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

.tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin: 0;
  padding: 0;
  list-style: none;
  font-size: 0.78rem;
  color: var(--muted);
}

.tags li {
  border: 1px solid var(--line);
  border-radius: 7px;
  padding: 0.18rem 0.55rem;
  background: var(--bg);
}

.project-actions {
  margin-top: auto;
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
}

.project-open {
  align-self: flex-start;
  color: var(--accent);
  text-decoration: none;
  font-weight: 700;
  border: 1px solid var(--accent);
  padding: 0.55rem 1rem;
  border-radius: 10px;
  transition: background 0.15s ease, color 0.15s ease;
}

.project-open:hover {
  background: var(--accent);
  color: var(--on-accent);
}

.project-open.secondary {
  border-color: var(--line-strong);
  color: var(--muted);
}

.project-open.secondary:hover {
  border-color: var(--accent);
  background: transparent;
  color: var(--accent);
}

/* reserved placeholder card */

.project-card.reserved {
  border-style: dashed;
  border-color: var(--line-strong);
  background: transparent;
  box-shadow: none;
  justify-content: center;
}

.project-card.reserved:hover { transform: none; border-color: var(--faint); }

.reserved-inner {
  padding: 2.4rem 1.5rem;
  text-align: center;
  color: var(--faint);
}

.reserved-plus {
  display: inline-block;
  font-size: 2rem;
  line-height: 1;
  margin-bottom: 0.6rem;
  color: var(--faint);
}

.reserved-inner p { margin: 0; font-size: 0.92rem; }

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

.site-footer {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 1.4rem 1.5rem 2.4rem;
  border-top: 1px solid var(--line);
  color: var(--faint);
  font-size: 0.85rem;
}

.footer-note { margin: 0; }

/* ---------- motion ---------- */

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  body, .project-card, .cta { transition: none; }
  .project-card:hover, .cta:hover { transform: none; }
}

@media (max-width: 640px) {
  .site-header { padding-top: 1.1rem; }
  .hero { padding-top: 2.8rem; }
}