/* landing.css — Styles specific to the landing page (index.html) */

/* ----- Header / Hero ----- */
header {
  text-align: center;
  padding: 4rem 0 2rem;
}

h1 {
  font-size: clamp(2.5rem, 6.5vw, 3.75rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 1.25rem;
  line-height: 1.1;
}

h1 .ape {
  font-family: var(--mono);
  color: var(--primary);
  letter-spacing: 0;
}

.primary-tagline {
  font-size: clamp(1.15rem, 2.5vw, 1.4rem);
  color: var(--fg);
  font-weight: 500;
  margin-bottom: 0.5rem;
  max-width: 42ch;
  margin-left: auto;
  margin-right: auto;
  line-height: 1.5;
}

.secondary-tagline {
  color: var(--muted);
  font-size: 0.95rem;
  font-style: italic;
  margin-bottom: 1.75rem;
}

.hero-diagram {
  margin-top: 2.5rem;
}

/* Install block promoted to hero — fills container width to match FSM diagram parity */
.hero-install {
  margin: 2rem auto 0;
  text-align: left;
}

/* ----- Intro ----- */
.intro {
  margin: 1.5rem 0 0.5rem;
  font-size: 1.05rem;
  color: var(--fg-dim);
  line-height: 1.7;
}

.intro strong { color: var(--fg); font-weight: 600; }

/* ----- Install ----- */
.os-tabs {
  display: flex;
  gap: 2px;
  margin-bottom: 0;
  flex-wrap: wrap;
}

.os-tab {
  padding: 0.6rem 1.25rem;
  background: var(--bg);
  border: 1px solid var(--border-strong);
  border-bottom: none;
  border-radius: 6px 6px 0 0;
  cursor: pointer;
  font-size: 0.9rem;
  color: var(--muted);
  font-family: var(--sans);
  font-weight: 500;
}

.os-tab[aria-selected="true"] {
  color: var(--fg);
  background: var(--bg-elevated);
  position: relative;
  z-index: 1;
}

.os-tab:hover:not([aria-selected="true"]):not(:disabled) {
  color: var(--fg-dim);
}

.os-tab:disabled {
  color: var(--muted);
  cursor: not-allowed;
  opacity: 0.7;
}

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

.os-tab .soon-tag {
  font-size: 0.7em;
  margin-left: 0.35rem;
  color: var(--muted);
  font-family: var(--mono);
}

.os-panel[hidden] { display: none; }

.install-block {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 0 8px 8px 8px;
  padding: 1.25rem 1.5rem;
  position: relative;
}

.install-block .label {
  display: block;
  font-size: 0.7rem;
  color: var(--muted);
  margin-bottom: 0.5rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-family: var(--mono);
}

.install-block code {
  font-size: 0.9rem;
  color: var(--fg);
  word-break: break-all;
  display: block;
  padding-right: 4rem;
}

.install-note {
  font-size: 0.85rem;
  color: var(--muted);
  margin-top: 0.75rem;
}

.copy-btn {
  position: absolute;
  top: 0.75rem;
  right: 0.75rem;
  background: var(--border);
  border: none;
  color: var(--fg);
  padding: 0.3rem 0.7rem;
  border-radius: 4px;
  cursor: pointer;
  font-size: 0.75rem;
  font-family: var(--sans);
}

.copy-btn:hover { background: #484f58; }
.copy-btn:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

/* ----- Quick start ----- */
pre.quickstart {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 1rem 1.25rem;
  overflow-x: auto;
  font-family: var(--mono);
  font-size: 0.85rem;
  line-height: 1.75;
}

pre.quickstart .comment { color: var(--muted); }
pre.quickstart .cmd { color: var(--fg); }

/* Hero-specific diagram spacing (base .fsm-diagram lives in shared.css) */

/* ----- Cycle (landing's three core phases: ANALYZE · PLAN · EXECUTE) ----- */
.cycle {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 0.75rem;
  margin: 1rem 0 1.25rem;
}

.phase {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 1.1rem 1.2rem 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.7rem;
}

.phase-name {
  font-family: var(--mono);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--primary);
  letter-spacing: 0.04em;
  line-height: 1;
  margin: 0;
}

.phase-desc {
  font-size: 0.9rem;
  color: var(--fg-dim);
  line-height: 1.6;
  margin: 0;
}

.phase .output {
  display: inline-block;
  align-self: flex-start;
  padding: 0.1rem 0.45rem;
  font-family: var(--mono);
  font-size: 0.72rem;
  color: var(--accent);
  background: rgba(0, 212, 180, 0.1);
  border-radius: 3px;
  margin-top: auto;
}

.cycle-note {
  font-size: 0.85rem;
  color: var(--muted);
  max-width: 62ch;
}

/* ----- Commands ----- */
.commands {
  display: grid;
  gap: 0.45rem;
  margin-bottom: 0.75rem;
  list-style: none;
  padding-left: 0;
}

.cmd {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 0.7rem 1rem;
  display: grid;
  grid-template-columns: minmax(150px, max-content) 1fr;
  gap: 1rem;
  align-items: center;
}

.cmd code {
  font-size: 0.85rem;
  color: var(--accent);
}

.cmd .desc {
  color: var(--fg-dim);
  font-size: 0.88rem;
}

.see-all {
  font-size: 0.85rem;
  color: var(--muted);
}

/* ----- Targets ----- */
.targets {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin: 0.75rem 0;
  list-style: none;
  padding-left: 0;
}

.target-badge {
  padding: 0.3rem 0.7rem;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 4px;
  font-size: 0.85rem;
  color: var(--fg);
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}

.target-badge.future {
  color: var(--fg-dim);
  border-style: dashed;
}

.target-badge .dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--primary);
  flex-shrink: 0;
}

.target-badge.future .dot { background: var(--muted); }

/* ----- Evolution note ----- */
.evolution-note {
  margin-top: 2.5rem;
  padding: 0.9rem 1.2rem;
  border-left: 3px solid var(--warn);
  background: var(--bg-elevated);
  border-radius: 0 6px 6px 0;
  font-size: 0.9rem;
  color: var(--fg-dim);
}

.evolution-note strong {
  color: var(--fg);
  font-weight: 600;
}

/* ----- Responsive (landing-specific) ----- */
@media (max-width: 540px) {
  header { padding: 2rem 0 1.5rem; }
  .cmd { grid-template-columns: 1fr; gap: 0.25rem; }
  .install-block code { padding-right: 0; padding-top: 1.75rem; }
}