/* Hallmark · genre: terminal · macrostructure: Narrative Workflow
 * theme: Terminal · enrichment: framed photographic evidence (2 tiles)
 * nav: N8 Terminal command · footer: Ft4 Dense typographic
 * display: JetBrains Mono · body: JetBrains Mono · mono-only page
 * paper: oklch(14% 0.010 145) · accent: oklch(65% 0.20 145) (phosphor green)
 * tone: terminal · anchor hue: 145 (phosphor green) · studied: no
 * pre-emit critique: P5 H5 E4 S5 R5 V5
 */

@import url("tokens.css");

/* ── Reset & base ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  overflow-x: clip;
  scroll-behavior: smooth;
  background: var(--color-paper);
}

body {
  background: var(--color-paper);
  color: var(--color-ink);
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: 1.7;
  letter-spacing: var(--track-normal);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: clip;
}

img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }

/* ── Focus ── */
:focus-visible {
  outline: 2px solid var(--color-focus);
  outline-offset: 2px;
  border-radius: 1px;
}

/* ── Blinking cursor (N8 terminal caret) ── */
.caret {
  display: inline-block;
  width: 0.6em;
  animation: blink var(--cursor-blink) steps(2) infinite;
  color: var(--color-accent);
  vertical-align: text-bottom;
}
@keyframes blink {
  50% { opacity: 0; }
}
@media (prefers-reduced-motion: reduce) {
  .caret { animation: none; opacity: 1; }
}

/* ── Reveal animation ── */
.reveal {
  opacity: 0;
  transform: translateY(6px);
  animation: reveal var(--dur-long) var(--ease-out) forwards;
  animation-delay: calc(var(--i, 0) * 70ms);
}
@keyframes reveal {
  to { opacity: 1; transform: none; }
}

/* ── N8 - Terminal command nav ── */
.nav-term {
  position: sticky;
  top: 0;
  z-index: var(--z-sticky);
  background: var(--color-paper);
  border-bottom: var(--rule-hair) solid var(--color-rule);
}

.nav-term__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-sm) var(--page-gutter);
  max-width: 1060px;
  margin: 0 auto;
  gap: var(--space-xl);
}

.nav-term__line {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  letter-spacing: var(--track-normal);
  line-height: 1.4;
  color: var(--color-ink-dim);
  display: flex;
  align-items: center;
  gap: 0;
  white-space: nowrap;
  overflow-x: auto;
  flex-shrink: 0;
}

.nav-term__prompt {
  color: var(--color-accent);
  margin-right: 0.4em;
}

.nav-term__prompt::after {
  content: " ";
  display: inline-block;
  width: 0.5em;
  animation: blink var(--cursor-blink) steps(2) infinite;
  color: var(--color-accent);
  vertical-align: text-bottom;
}

.nav-term__cursor-stop::after {
  animation: none;
  opacity: 1;
}

.nav-term__cmd {
  color: var(--color-ink);
  letter-spacing: var(--track-normal);
}

.nav-term__flag {
  color: var(--color-accent);
  text-decoration: underline;
  text-underline-offset: 2px;
  text-decoration-color: var(--color-accent-2);
  transition: color var(--dur-micro) var(--ease-out),
              text-decoration-color var(--dur-micro) var(--ease-out);
}

.nav-term__flag:hover {
  color: var(--color-ink);
  text-decoration-color: var(--color-ink);
}

.nav-term__brand {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  letter-spacing: var(--track-wider);
  text-transform: uppercase;
  color: var(--color-muted);
  white-space: nowrap;
  flex-shrink: 0;
}

.nav-term__brand-link {
  color: var(--color-muted);
  text-decoration: none;
  transition: color var(--dur-micro) var(--ease-out);
}

.nav-term__brand-link:hover {
  color: var(--color-accent);
  text-decoration: none;
}

/* ── Profile banner (stage 0) ── */
.profile {
  border-bottom: var(--rule-hair) solid var(--color-rule);
  padding: var(--space-3xl) var(--page-gutter) var(--space-2xl);
  max-width: 1060px;
  margin: 0 auto;
}

.profile__prompt {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  letter-spacing: var(--track-tight);
  color: var(--color-accent);
  margin-bottom: var(--space-md);
  display: block;
}

.profile__cmd {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  letter-spacing: var(--track-normal);
  color: var(--color-ink-dim);
  margin-bottom: var(--space-xl);
  display: block;
}

.profile__rows {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: var(--space-md) var(--space-lg);
  align-items: baseline;
}

.profile__key {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  letter-spacing: var(--track-wider);
  text-transform: uppercase;
  color: var(--color-accent);
  padding-right: var(--space-lg);
  padding-top: 0.2em;
  border-right: var(--rule-hair) solid var(--color-rule);
  margin-right: var(--space-lg);
  white-space: nowrap;
}

.profile__value {
  font-family: var(--font-body);
  font-size: var(--text-md);
  letter-spacing: var(--track-normal);
  color: var(--color-ink);
  line-height: 1.5;
}

.profile__value--mono {
  font-family: var(--font-body);
  letter-spacing: var(--track-tight);
  color: var(--color-ink);
}

/* ── Profile 2-column grid ── */
.profile__grid {
  display: grid;
  grid-template-columns: 1fr minmax(0, 380px);
  gap: var(--space-2xl);
  margin-top: var(--space-xl);
  align-items: start;
}

.profile__evidence {
  position: relative;
  overflow: hidden;
  border: var(--rule-hair) solid var(--color-rule);
  background: var(--color-evidence-bg);
}

.profile__evidence img {
  width: 100%;
  height: auto;
  display: block;
  opacity: 0.92;
  transition: opacity var(--dur-short) var(--ease-out),
              transform var(--dur-short) var(--ease-out);
}

.profile__evidence:hover img {
  opacity: 1;
  transform: scale(1.01);
}

.profile__evidence-caption {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: var(--space-sm) var(--space-md);
  background: var(--gradient-evidence);
  font-family: var(--font-body);
  font-size: var(--text-xs);
  letter-spacing: var(--track-wide);
  text-transform: uppercase;
  color: var(--color-ink-dim);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.profile__evidence-tag {
  color: var(--color-accent);
  margin-right: var(--space-sm);
}

/* ── Thick rule ── */
.rule-thick {
  border: none;
  height: 1px;
  background: var(--color-rule);
  margin: 0;
}

/* ── Stages container ── */
.stages {
  max-width: 1060px;
  margin: 0 auto;
  padding: 0 var(--page-gutter);
}

/* ── Stage block ── */
.stage {
  padding: var(--space-3xl) 0;
  border-top: var(--rule-hair) solid var(--color-rule);
}

.stage__header {
  display: flex;
  align-items: baseline;
  gap: var(--space-lg);
  margin-bottom: var(--space-xl);
}

.stage__no {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  letter-spacing: var(--track-wider);
  text-transform: uppercase;
  color: var(--color-accent);
  padding-right: var(--space-sm);
  border-right: var(--rule-hair) solid var(--color-rule);
  margin-right: var(--space-sm);
  white-space: nowrap;
}

.stage__title {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: var(--text-2xl);
  line-height: 1.1;
  letter-spacing: var(--track-tight);
  color: var(--color-ink);
  overflow-wrap: anywhere;
  min-width: 0;
}

.stage__lede {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  letter-spacing: var(--track-normal);
  color: var(--color-ink-dim);
  margin-bottom: var(--space-xl);
  max-width: 55ch;
  line-height: 1.6;
}

/* ── Stage body - key-value list (terminal log style) ── */
.stage__log {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: var(--space-sm) var(--space-lg);
  align-items: start;
}

.stage__log-key {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  letter-spacing: var(--track-wider);
  text-transform: uppercase;
  color: var(--color-muted);
  padding-right: var(--space-md);
  padding-top: 0.25em;
  border-right: var(--rule-hair) solid var(--color-rule);
  margin-right: var(--space-md);
  white-space: nowrap;
  min-width: 5ch;
}

.stage__log-value {
  font-family: var(--font-body);
  font-size: var(--text-base);
  letter-spacing: var(--track-normal);
  color: var(--color-ink);
  line-height: 1.65;
}

.stage__log-value em {
  font-style: normal;
  color: var(--color-accent);
}

/* ── Stage split: 2-column (image + tracks) same line ── */
.stage__split-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-xl);
  margin-top: var(--space-xl);
  align-items: start;
}

@media (max-width: 48rem) {
  .stage__split-row {
    grid-template-columns: 1fr;
  }
}

.stage__split-row .stage__evidence {
  position: relative;
  overflow: hidden;
  border: var(--rule-hair) solid var(--color-rule);
  background: var(--color-evidence-bg);
  height: 100%;
  min-height: 240px;
}

.stage__split-row .stage__evidence img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  opacity: 0.92;
  transition: opacity var(--dur-short) var(--ease-out),
              transform var(--dur-short) var(--ease-out);
}

.stage__split-row .stage__evidence:hover img {
  opacity: 1;
  transform: scale(1.01);
}

.stage__split-row .stage__evidence-caption {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: var(--space-sm) var(--space-md);
  background: var(--gradient-evidence);
  font-family: var(--font-body);
  font-size: var(--text-xs);
  letter-spacing: var(--track-wide);
  text-transform: uppercase;
  color: var(--color-ink-dim);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.stage__split-row .stage__evidence-tag {
  color: var(--color-accent);
  margin-right: var(--space-sm);
}

.stage__tracks {
  border: var(--rule-hair) solid var(--color-rule);
  background: var(--color-evidence-bg);
  padding: var(--space-lg);
  min-height: 240px;
  display: flex;
  flex-direction: column;
}

.stage__tracks-label {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  letter-spacing: var(--track-wider);
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: var(--space-md);
}

.stage__tracks-empty {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  letter-spacing: var(--track-normal);
  color: var(--color-muted);
  font-style: italic;
}

/* ── Evidence tile (fig.02, full-width) ── */
.evidence {
  margin-top: var(--space-xl);
}

.evidence__tile {
  position: relative;
  overflow: hidden;
  border: var(--rule-hair) solid var(--color-rule);
  background: var(--color-evidence-bg);
}

.evidence__tile img {
  width: 100%;
  height: auto;
  display: block;
  opacity: 0.92;
  transition: opacity var(--dur-short) var(--ease-out),
              transform var(--dur-short) var(--ease-out);
}

.evidence__tile:hover img {
  opacity: 1;
  transform: scale(1.01);
}

.evidence__caption {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: var(--space-sm) var(--space-md);
  background: var(--gradient-evidence);
  font-family: var(--font-body);
  font-size: var(--text-xs);
  letter-spacing: var(--track-wide);
  text-transform: uppercase;
  color: var(--color-ink-dim);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.evidence__tag {
  color: var(--color-accent);
  margin-right: var(--space-sm);
}

/* ── Ft4 — Dense typographic footer ── */
.foot-dense {
  border-top: var(--rule-hair) solid var(--color-rule);
  padding: var(--space-lg) var(--page-gutter) var(--space-md);
  background: var(--color-paper-2);
}

.foot-dense__block {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  letter-spacing: var(--track-wider);
  text-transform: uppercase;
  color: var(--color-muted);
  line-height: 1.6;
  max-width: 100%;
  margin: 0 auto;
  text-align: center;
}

.foot-dense__block span {
  color: var(--color-ink-dim);
}

.foot-dense__wordmark-link {
  color: var(--color-accent);
  letter-spacing: var(--track-tight);
  text-decoration: none;
  transition: color var(--dur-micro) var(--ease-out);
}

.foot-dense__wordmark-link:hover {
  color: var(--color-ink);
  text-decoration: none;
}

/* ── Footer share icons ── */
.foot-dense__share {
  display: flex;
  justify-content: center;
  gap: var(--space-md);
  margin-top: var(--space-md);
  padding-top: var(--space-md);
  border-top: var(--rule-hair) solid var(--color-rule);
}

.foot-dense__share-link {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 1.5rem;
  height: 1.5rem;
  padding: 0;
  border: none;
  background: transparent;
  cursor: pointer;
  color: var(--color-muted);
  transition: color var(--dur-micro) var(--ease-out);
}

.foot-dense__share-link:hover,
.foot-dense__share-link:focus-visible {
  color: var(--color-accent);
}

.foot-dense__share-link:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

.foot-dense__share-icon {
  width: 100%;
  height: 100%;
  fill: currentColor;
}

.foot-dense__share-link.copied::after {
  content: 'copied';
  position: absolute;
  bottom: 100%;
  left: 50%;
  transform: translateX(-50%);
  font-family: var(--font-body);
  font-size: var(--text-xs);
  letter-spacing: var(--track-wide);
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: var(--space-2xs);
}

/* ── Responsive ── */
@media (max-width: 60rem) {
  .profile__rows {
    grid-template-columns: 1fr;
  }
  .profile__key {
    border-right: none;
    border-bottom: var(--rule-hair) solid var(--color-rule);
    padding-right: 0;
    padding-bottom: var(--space-2xs);
    margin-right: 0;
    margin-bottom: var(--space-2xs);
  }
  .stage__log {
    grid-template-columns: 1fr;
  }
  .stage__log-key {
    border-right: none;
    border-bottom: var(--rule-hair) solid var(--color-rule);
    padding-right: 0;
    padding-bottom: var(--space-2xs);
    margin-right: 0;
    margin-bottom: var(--space-2xs);
  }
  .nav-term__line {
    font-size: var(--text-xs);
  }
}

@media (max-width: 40rem) {
  .profile {
    padding: var(--space-2xl) var(--page-gutter) var(--space-xl);
  }
  .stage {
    padding: var(--space-2xl) 0;
  }
  .stage__title {
    font-size: var(--text-xl);
  }
  .foot-dense {
    padding: var(--space-md) var(--page-gutter) var(--space-sm);
  }
}

/* ── Reduced motion ── */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 150ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 150ms !important;
  }
  .reveal {
    animation: reveal-reduced 150ms linear forwards;
  }
  .caret {
    animation: none !important;
    opacity: 1 !important;
  }
  @keyframes reveal-reduced {
    to { opacity: 1; transform: none; }
  }
}