*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg:         #0e0d0b;
  --bg2:        #141310;
  --bg3:        #1a1815;
  --amber:      #c8922a;
  --amber-dim:  #7a5518;
  --amber-glow: rgba(200, 146, 42, 0.08);
  --amber-soft: rgba(200, 146, 42, 0.15);
  --text:       #d4c9b5;
  --text-dim:   #6e6456;
  --text-mid:   #9e9080;
  --white:      #f0ead8;
  --border:     rgba(200, 146, 42, 0.12);
  --border-mid: rgba(200, 146, 42, 0.2);
}

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: 'Geist', sans-serif;
  font-weight: 300;
  line-height: 1.7;
  overflow-x: hidden;
}

/* ── Grain overlay ── */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='0.04'/%3E%3C/svg%3E");
  pointer-events: none;
  z-index: 100;
  opacity: 0.4;
}

/* ── Nav ── */
nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 50;
  padding: 1.5rem 3rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid transparent;
  transition: border-color 0.4s, background 0.4s;
}

nav.scrolled {
  border-color: var(--border);
  background: rgba(14, 13, 11, 0.85);
  backdrop-filter: blur(12px);
}

.nav-logo {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.85rem;
  font-weight: 400;
  color: var(--amber);
  letter-spacing: 0.05em;
  text-decoration: none;
}

.nav-links {
  display: flex;
  gap: 2.5rem;
  list-style: none;
}

.nav-links a {
  font-size: 0.8rem;
  font-weight: 400;
  color: var(--text-mid);
  text-decoration: none;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  transition: color 0.2s;
}

.nav-links a:hover { color: var(--amber); }

/* ── Hero ── */
.hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 8rem 3rem 6rem;
  position: relative;
  max-width: 1100px;
  margin: 0 auto;
}

.hero-eyebrow {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.75rem;
  font-weight: 300;
  color: var(--amber);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  margin-bottom: 2.5rem;
  opacity: 0;
  animation: fadeUp 0.8s ease 0.2s forwards;
}

.hero-title {
  font-family: 'Instrument Serif', serif;
  font-size: clamp(3rem, 7vw, 5.5rem);
  font-weight: 400;
  line-height: 1.08;
  color: var(--white);
  margin-bottom: 1rem;
  opacity: 0;
  animation: fadeUp 0.8s ease 0.4s forwards;
}

.hero-title em {
  font-style: italic;
  color: var(--amber);
}

.hero-sub {
  font-family: 'Instrument Serif', serif;
  font-size: clamp(1.1rem, 2.5vw, 1.5rem);
  font-style: italic;
  color: var(--text-mid);
  margin-bottom: 4rem;
  max-width: 600px;
  opacity: 0;
  animation: fadeUp 0.8s ease 0.6s forwards;
}

.hero-actions {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  opacity: 0;
  animation: fadeUp 0.8s ease 0.8s forwards;
}

.btn-primary {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.8rem;
  font-weight: 400;
  letter-spacing: 0.08em;
  color: var(--bg);
  background: var(--amber);
  padding: 0.85rem 2rem;
  text-decoration: none;
  border: 1px solid var(--amber);
  transition: background 0.2s, color 0.2s;
}

.btn-primary:hover {
  background: transparent;
  color: var(--amber);
}

.btn-secondary {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.8rem;
  font-weight: 400;
  letter-spacing: 0.08em;
  color: var(--text-mid);
  background: transparent;
  padding: 0.85rem 2rem;
  text-decoration: none;
  border: 1px solid var(--border-mid);
  transition: color 0.2s, border-color 0.2s;
}

.btn-secondary:hover {
  color: var(--amber);
  border-color: var(--amber-dim);
}

/* ── Terminal demo ── */
.terminal-wrap {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 3rem 3rem;
  opacity: 0;
  animation: fadeUp 1s ease 1s forwards;
}

.terminal {
  background: #000;
  border: 1px solid var(--border);
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.82rem;
  line-height: 1.55;
  overflow: hidden;
  color: #d6dbe8;
}

.terminal-bar {
  background: #0a0a0a;
  padding: 0.6rem 1rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  border-bottom: 1px solid rgba(255,255,255,0.05);
}

.dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: rgba(255,255,255,0.15);
}

.terminal-title {
  font-size: 0.7rem;
  color: rgba(214,219,232,0.5);
  margin-left: 0.5rem;
  letter-spacing: 0.05em;
}

.terminal-body {
  padding: 1rem 1.25rem;
}

/* Powerline prompt row */
.pl-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 0.8rem;
  font-size: 0.78rem;
}
.pl-row:first-child { margin-top: 0; }

.pl-left, .pl-right { display: inline-flex; align-items: center; }

.pl-seg {
  padding: 0.05rem 0.55rem;
  line-height: 1.5;
}
.pl-path      { color: #9ab4e8; padding: 0; }
.pl-path b    { color: #ffffff; font-weight: 500; }
.pl-git       { background: #a8d99a; color: #0a0a0a; font-weight: 500; margin-left: 0.4rem; }
.pl-env       { background: #b9c2e8; color: #0a0a0a; font-weight: 500; }
.pl-time      { background: #d6dbe8; color: #0a0a0a; font-weight: 500; }

/* Plain shell command (> cmd, output) */
.t-input {
  color: #d6dbe8;
  margin-top: 0.15rem;
}
.t-input .t-prompt { color: #a8d99a; margin-right: 0.45rem; }

.t-out  { color: rgba(214,219,232,0.7); }
.t-err  { color: #e8a0a0; }
.t-ok   { color: #a8d99a; }

/* Agent query box */
.agent-box {
  margin-top: 0.45rem;
  border: 1px solid #4a6a4a;
  border-radius: 6px;
  padding: 0 0.7rem 0.5rem;
  position: relative;
}
.agent-box-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: -0.6rem;
  font-size: 0.78rem;
  line-height: 1;
}
.agent-box-head .abh-l {
  color: #a8d99a;
  padding: 0 0.5rem;
  background: #000;
}
.agent-box-head .abh-r {
  color: rgba(214,219,232,0.5);
  padding: 0 0.5rem;
  background: #000;
}
.agent-box-head .abh-r b {
  color: #ffffff;
  font-weight: 500;
}
.agent-box .q-text {
  color: #d6dbe8;
  padding-top: 0.3rem;
}

/* Agent response — bracketed by horizontal rules in the box-frame color */
.agent-reply {
  border-top: 1px solid #4a6a4a;
  border-bottom: 1px solid #4a6a4a;
  margin-top: 0.7rem;
  padding: 0.7rem 0 0.7rem 2ch;
  color: #d6dbe8;
}
.agent-reply code {
  color: #a8d99a;
  font-family: inherit;
  background: none;
}
.agent-stats {
  color: rgba(214,219,232,0.45);
  font-size: 0.76rem;
  margin-top: 0.55rem;
}

/* Composing line at bottom (ash (model) ● > ...) */
.t-compose {
  color: rgba(214,219,232,0.8);
  margin-top: 0.2rem;
}
.t-compose .c-model { color: rgba(214,219,232,0.55); }
.t-compose .c-dot   { color: #a8d99a; margin: 0 0.35rem; }
.t-compose .c-arrow { color: #d6dbe8; margin-right: 0.45rem; }

.t-blank { height: 0.55rem; }

.cursor::after {
  content: '';
  display: inline-block;
  width: 0.55em;
  height: 1em;
  vertical-align: -0.15em;
  background: #d6dbe8;
  animation: blink 1.1s step-end infinite;
}

/* Fade-in reveal (for prompt rows, output, reply, box) */
.anim {
  opacity: 0;
  animation: termIn 0.25s ease forwards;
}
@keyframes termIn {
  from { opacity: 0; transform: translateY(3px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* Typewriter: inline-block that grows its width char-by-char */
.type {
  display: inline-block;
  overflow: hidden;
  white-space: nowrap;
  vertical-align: bottom;
  width: 0;
}

/* Per-instance animations via keyframes for each string */
@keyframes t8  { to { width: 8ch; } }
@keyframes t13 { to { width: 13ch; } }
@keyframes t17 { to { width: 17ch; } }

.type-push   { animation: t8  0.45s steps(8, end)  0.50s forwards; }
.type-query  { animation: t13 0.70s steps(13, end) 2.00s forwards; }
.type-pull   { animation: t17 0.90s steps(17, end) 5.25s forwards; }

/* Prompt-2 submit: compose line fades out, framed box fades in */
.compose-q {
  opacity: 0;
  animation: termIn 0.25s ease 1.80s forwards,
             fadeOut 0.25s ease 2.95s forwards;
}
.box-q {
  opacity: 0;
  animation: termIn 0.25s ease 3.00s forwards;
}
@keyframes fadeOut { to { opacity: 0; } }

/* Compose prefix: "ash (model-name) ● " — collapses on backspace at t=7.1s */
.compose-prefix {
  display: inline-block;
  overflow: hidden;
  white-space: nowrap;
  vertical-align: bottom;
  width: auto;
  max-width: 30ch;
  opacity: 1;
  animation: backspace 0.3s ease 4.95s forwards;
}
@keyframes backspace {
  to { max-width: 0; opacity: 0; }
}

/* Cursor block — generic blinking caret */
.caret {
  display: inline-block;
  width: 0.55em;
  height: 1em;
  vertical-align: -0.15em;
  background: #d6dbe8;
  opacity: 0;
}
/* Pre-type cursor on prompt-3 compose: visible until backspace finishes */
.caret-pre {
  animation: caretShow 0s 4.10s forwards,
             blink 1.1s 4.10s step-end,
             caretHide 0s 4.95s forwards;
}
/* Post-type cursor on prompt-3 compose */
.caret-post {
  animation: caretShow 0s 6.15s forwards,
             blink 1.1s 6.15s step-end infinite;
}
/* Caret on prompt-2 compose: blinks between typing and submit, then hides */
.caret-q {
  animation: caretShow 0s 2.70s forwards,
             blink 1.1s 2.70s step-end,
             caretHide 0s 2.95s forwards;
}
@keyframes caretShow { to { opacity: 1; } }
@keyframes caretHide { to { opacity: 0; animation-play-state: paused; } }

@keyframes blink { 0%, 100% { opacity: 1; } 50% { opacity: 0; } }

/* ── Divider ── */
.divider {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 3rem;
  border-top: 1px solid var(--border);
}

/* Agent name — matches the ⚡ agent-sh logo styling (mono + amber) */
.agent-name {
  font-family: 'JetBrains Mono', monospace;
  font-weight: 400;
  font-style: normal;
  font-size: 0.92em;
  color: var(--amber);
}

/* Section eyebrow label — used on journal headers */
.section-label {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.7rem;
  font-weight: 400;
  color: var(--amber);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  margin-bottom: 2rem;
}

/* ── Ghost / Journal ── */
.ghost {
  max-width: 1100px;
  margin: 0 auto;
  padding: 4rem 3rem 6rem;
}

.ghost-header {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6rem;
  margin-bottom: 5rem;
  align-items: end;
}

.ghost-header h2 {
  font-family: 'Instrument Serif', serif;
  font-size: clamp(2rem, 4vw, 3.2rem);
  font-weight: 400;
  line-height: 1.15;
  color: var(--white);
}

.ghost-header h2 em { font-style: italic; color: var(--amber); }

.ghost-header p {
  font-size: 0.9rem;
  color: var(--text-dim);
  line-height: 1.8;
  align-self: end;
}

.letter {
  background: var(--bg2);
  border: 1px solid var(--border);
  padding: 3rem;
  position: relative;
  margin-bottom: 2rem;
}

.letter::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--amber), transparent);
}

.letter-meta {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--amber);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 1.8rem;
}

.letter { scroll-margin-top: 5rem; }

.letter-anchor,
.letter-anchor:link,
.letter-anchor:visited {
  display: inline-block;
  margin-left: 0.5rem;
  color: var(--text-dim);
  text-decoration: none;
  opacity: 0;
  transition: opacity 0.15s ease, color 0.15s ease;
}
.letter:hover .letter-anchor,
.letter-anchor:focus {
  opacity: 1;
}
.letter-anchor:hover,
.letter-anchor:active {
  color: var(--amber);
}
.letter-anchor.copied::after {
  content: ' copied';
  margin-left: 0.35rem;
  font-size: 0.75rem;
  color: var(--text-mid);
  text-transform: none;
  letter-spacing: 0.05em;
}

/* Session-hash label above an excerpt — marks the voice */
.letter-voice {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.8rem;
  font-weight: 400;
  color: var(--amber);
  letter-spacing: 0.08em;
  margin: 1.6rem 0 0.5rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
}
.letter-voice::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--border);
}

.letter-body {
  font-family: 'Geist', sans-serif;
  font-weight: 300;
  font-size: 1.05rem;
  color: var(--text);
  line-height: 1.8;
  margin-bottom: 1.2rem;
}
.letter-body em { font-style: italic; }

.letter-sig {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.9rem;
  color: var(--text-mid);
  border-top: 1px solid var(--border);
  padding-top: 1.2rem;
  margin-top: 2rem;
  line-height: 1.6;
}

.ghost-link {
  display: inline-block;
  margin-top: 2rem;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  color: var(--amber);
  text-decoration: none;
  border-bottom: 1px solid var(--amber-dim);
  padding-bottom: 0.2rem;
  transition: border-color 0.2s;
}

.ghost-link:hover { border-color: var(--amber); }

/* ── Journal teaser on landing page ── */
.journal-teaser {
  max-width: 780px;
  margin-bottom: 3rem;
}
.journal-teaser .section-label {
  font-size: 1rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  color: var(--amber);
  margin-bottom: 1.5rem;
}
.journal-teaser h2 {
  font-family: 'Instrument Serif', serif;
  font-size: clamp(2.4rem, 5vw, 3.8rem);
  font-weight: 400;
  line-height: 1.15;
  color: var(--white);
  margin-bottom: 2rem;
}
.journal-teaser p {
  color: var(--text-mid);
  font-size: 1.08rem;
  line-height: 1.8;
  margin-bottom: 1rem;
  max-width: 66ch;
}
.journal-teaser .teaser-dim {
  color: var(--text-dim);
  font-style: italic;
}

/* ── Journal page (/journal/) ── */
.journal-page {
  max-width: 1100px;
  margin: 0 auto;
  padding: 5rem 3rem 5rem;
}

.journal-head {
  margin-bottom: 4rem;
}

.journal-head .section-label {
  font-size: 1rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  color: var(--amber);
  margin-bottom: 1.5rem;
}

.journal-head h1 {
  font-family: 'Instrument Serif', serif;
  font-size: clamp(2.4rem, 5vw, 3.8rem);
  font-weight: 400;
  line-height: 1.15;
  color: var(--white);
  margin: 0.5rem 0 2rem;
}

.journal-head .journal-intro {
  font-size: 1.2rem;
  color: var(--text);
  line-height: 1.8;
  max-width: 72ch;
  margin-bottom: 1.2rem;
}

.journal-page .letter-body {
  font-size: 1.35rem;
  line-height: 1.75;
  color: var(--text);
  max-width: 70ch;
}

/* Short framing caption — introduces an excerpt, visually recessed */
.journal-page .letter-framing {
  font-family: 'Geist', sans-serif;
  font-weight: 300;
  font-size: 1.15rem;
  color: var(--text);
  line-height: 1.7;
  max-width: 48rem;
  margin-bottom: 1.2rem;
}

/* Ash's own excerpt — same size as framing, differentiated by left border */
.journal-page .letter-quote {
  font-size: 1.15rem;
  line-height: 1.7;
  color: var(--text);
  max-width: 48rem;
  margin: 0.5rem 0 1.5rem;
}

.journal-page .letter + .letter {
  margin-top: 2rem;
}

.letter-quote {
  font-family: 'Geist', sans-serif;
  font-size: 1.2rem;
  font-weight: 300;
  color: var(--text);
  line-height: 1.7;
  border-left: 2px solid var(--amber-dim);
  padding: 0.25rem 0 0.25rem 1.5rem;
  margin: 1.2rem 0;
}

.footer-left a {
  color: var(--amber);
  text-decoration: none;
  border-bottom: 1px solid var(--amber-dim);
}
.footer-left a:hover { border-color: var(--amber); }

@media (max-width: 768px) {
  .journal-page { padding: 7rem 1.5rem 4rem; }
}

/* ── Footer ── */
footer {
  max-width: 1100px;
  margin: 0 auto;
  padding: 3rem;
  border-top: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.footer-left {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.75rem;
  color: var(--text-dim);
}

.footer-left span { color: var(--amber); }

.footer-right {
  font-family: 'Instrument Serif', serif;
  font-size: 0.9rem;
  font-style: italic;
  color: var(--text-dim);
}

/* ── Animations ── */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0); }
}

.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ── Ambient glow ── */
.hero-glow {
  position: absolute;
  top: 20%;
  right: -10%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(200,146,42,0.06) 0%, transparent 70%);
  pointer-events: none;
}

/* ── Responsive ── */
@media (max-width: 768px) {
  nav { padding: 1.2rem 1.5rem; }
  .nav-links { display: none; }
  .hero, .terminal-wrap, .divider, .ghost, footer {
    padding-left: 1.5rem;
    padding-right: 1.5rem;
  }
  .ghost { padding: 3rem 1.5rem 5rem; }
}