/* V2 — Terminal / Dev-native
   Monospace во всём. Carbon + bone + phosphor. 80-col mental model. */

:root {
  --carbon: #0C0C0D;
  --carbon-2: #131416;
  --carbon-3: #1b1c1f;
  --bone: #EDE9E0;
  --bone-dim: rgba(237,233,224,.55);
  --bone-faint: rgba(237,233,224,.25);
  --bone-line: rgba(237,233,224,.12);
  --phosphor: #8EE85D;
  --amber: #FFB454;
  --red: #FF6B6B;
  --cyan: #7DD3FC;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html, body { background: var(--carbon); color: var(--bone); }
.v2 {
  font-family: "JetBrains Mono", "Berkeley Mono", "IBM Plex Mono", ui-monospace, monospace;
  font-size: 15px; line-height: 1.7; letter-spacing: 0.005em;
  -webkit-font-smoothing: antialiased;
}
.v2 a { color: inherit; text-decoration: none; }
.v2 ::selection { background: var(--phosphor); color: var(--carbon); }

.v2 .container { max-width: 1280px; margin: 0 auto; padding: 0 32px; }

/* Grid overlay — subtle */
.v2::before {
  content: ''; position: fixed; inset: 0; pointer-events: none; z-index: 1;
  background-image: linear-gradient(to right, rgba(237,233,224,.025) 1px, transparent 1px);
  background-size: calc(100% / 12) 100%;
  mix-blend-mode: normal;
}

/* -- Nav (status bar vibe) ---------------------------------------- */
.v2 .statusbar {
  position: sticky; top: 0; z-index: 50;
  background: var(--carbon);
  border-bottom: 1px solid var(--bone-line);
  display: grid; grid-template-columns: auto 1fr auto; gap: 24px;
  padding: 10px 24px; align-items: center;
  font-size: 12px;
}
.v2 .statusbar .sb-brand { display:flex; align-items:center; gap: 10px; }
.v2 .statusbar .sb-brand .led { width: 8px; height: 8px; border-radius: 50%; background: var(--phosphor); box-shadow: 0 0 10px var(--phosphor); animation: pulse 2s infinite; }
@keyframes pulse { 0%,100%{opacity:1} 50%{opacity:.45} }
.v2 .statusbar nav { display:flex; gap: 18px; color: var(--bone-dim); justify-self: center; }
.v2 .statusbar nav a { padding: 4px 0; border-bottom: 1px solid transparent; }
.v2 .statusbar nav a:hover { color: var(--phosphor); border-bottom-color: var(--phosphor); }
.v2 .statusbar .sb-meta { color: var(--bone-dim); }
.v2 .statusbar .sb-cta { padding: 6px 14px; background: var(--phosphor); color: var(--carbon); font-weight: 600; }

/* -- Section shell -------------------------------------------------- */
.v2 section { padding: clamp(5rem, 10vw, 8rem) 0; position: relative; }
.v2 section + section { border-top: 1px dashed var(--bone-line); }
.v2 .kicker { color: var(--bone-dim); font-size: 12px; text-transform: uppercase; letter-spacing: .1em; display:flex; align-items:center; gap: 10px; }
.v2 .kicker::before { content: '$ '; color: var(--phosphor); letter-spacing: 0; text-transform: none; }
.v2 h2.display { font-size: clamp(32px, 4vw, 52px); line-height: 1.1; letter-spacing: -0.015em; font-weight: 500; margin-top: 16px; max-width: 900px; }
.v2 h2.display em { font-style: normal; color: var(--phosphor); }
.v2 .lede { color: var(--bone-dim); font-size: 16px; line-height: 1.7; margin-top: 20px; max-width: 760px; }

/* -- Hero ---------------------------------------------------------- */
.v2 .hero { padding: 80px 0 120px; }
.v2 .hero-console {
  background: var(--carbon-2); border: 1px solid var(--bone-line);
  padding: 0; overflow: hidden;
}
.v2 .console-bar {
  display:flex; gap: 8px; padding: 10px 14px; background: var(--carbon-3); border-bottom: 1px solid var(--bone-line);
  font-size: 11px; color: var(--bone-dim);
  align-items: center;
}
.v2 .console-bar .dots { display:flex; gap: 6px; }
.v2 .console-bar .dots i { width: 10px; height: 10px; border-radius: 50%; background: var(--bone-faint); }
.v2 .console-bar .dots i.r { background: var(--red); }
.v2 .console-bar .dots i.y { background: var(--amber); }
.v2 .console-bar .dots i.g { background: var(--phosphor); }
.v2 .console-bar .title { margin-left: 12px; color: var(--bone-dim); }
.v2 .console-body { padding: 40px; }
.v2 .prompt { color: var(--phosphor); }
.v2 .prompt-cmd { color: var(--bone); }
.v2 .out { color: var(--bone-dim); }
.v2 .out strong { color: var(--bone); font-weight: 500; }
.v2 .hero-h1 {
  font-size: clamp(36px, 5vw, 64px); line-height: 1.05;
  margin: 32px 0 24px; letter-spacing: -0.02em; font-weight: 500;
}
.v2 .hero-h1 .caret { display:inline-block; width: 18px; height: .9em; background: var(--phosphor); vertical-align: -0.1em; animation: blink 1s steps(2) infinite; }
@keyframes blink { 50% { opacity: 0; } }
.v2 .hero-h1 em { color: var(--phosphor); font-style: normal; }
.v2 .hero-sub { color: var(--bone-dim); font-size: 17px; line-height: 1.7; max-width: 680px; }
.v2 .hero-stats { display:grid; grid-template-columns: repeat(3, 1fr); gap: 0; margin-top: 40px; border-top: 1px dashed var(--bone-line); }
.v2 .hero-stat { padding: 24px; border-right: 1px dashed var(--bone-line); }
.v2 .hero-stat:last-child { border-right: none; }
.v2 .hero-stat .n { font-size: 40px; color: var(--phosphor); font-weight: 600; }
.v2 .hero-stat .l { color: var(--bone-dim); font-size: 12px; text-transform: uppercase; letter-spacing: .05em; margin-top: 4px; }
.v2 .hero-ctas { display:flex; gap: 10px; margin-top: 32px; flex-wrap: wrap; }
.v2 .btn {
  padding: 12px 20px; font: inherit; font-size: 13px; cursor: pointer;
  background: transparent; color: var(--bone); border: 1px solid var(--bone-line);
  display: inline-flex; gap: 10px; align-items: center;
}
.v2 .btn.primary { background: var(--phosphor); color: var(--carbon); border-color: var(--phosphor); font-weight: 600; }
.v2 .btn:hover { border-color: var(--phosphor); color: var(--phosphor); }
.v2 .btn.primary:hover { background: transparent; }

/* -- Problems as errors -------------------------------------------- */
.v2 .probs { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 12px; margin-top: 40px; }
.v2 .prob {
  border: 1px solid var(--bone-line);
  padding: 24px; background: var(--carbon-2);
  display: flex; flex-direction: column; gap: 12px;
  transition: border .2s;
}
.v2 .prob:hover { border-color: var(--red); }
.v2 .prob-tag { color: var(--red); font-size: 11px; text-transform: uppercase; letter-spacing: .1em; }
.v2 .prob-t { font-size: 20px; color: var(--bone); margin-bottom: 10px; font-weight: 500; }
.v2 .prob-b { color: var(--bone-dim); font-size: 15px; line-height: 1.6; margin-bottom: 14px; max-width: 720px; }
.v2 .prob-chips { display:flex; gap: 8px; flex-wrap: wrap; }
.v2 .prob-chips span { padding: 4px 10px; background: var(--carbon); border: 1px solid var(--bone-line); color: var(--bone-dim); font-size: 11px; }

/* -- Levels -------------------------------------------------------- */
.v2 .levels { display:grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin-top: 40px; }
.v2 .level { border: 1px solid var(--bone-line); background: var(--carbon-2); padding: 24px; display:flex; flex-direction:column; gap: 12px; min-height: 420px; }
.v2 .level .lvl-head { display: flex; justify-content: space-between; color: var(--bone-dim); font-size: 11px; padding-bottom: 12px; border-bottom: 1px dashed var(--bone-line); text-transform: uppercase; letter-spacing: .1em; }
.v2 .level .lvl-head .n { color: var(--phosphor); }
.v2 .level .lvl-t { font-size: 28px; letter-spacing: -0.01em; font-weight: 500; }
.v2 .level .lvl-s { color: var(--bone-dim); font-size: 13px; margin-top: -6px; }
.v2 .level .lvl-b { color: var(--bone-dim); font-size: 15px; line-height: 1.6; }
.v2 .level .lvl-art { margin-top: auto; display: grid; gap: 0; padding-top: 16px; }
.v2 .level .lvl-art div { font-size: 12px; color: var(--bone-dim); padding: 6px 0; border-top: 1px dashed var(--bone-line); }
.v2 .level .lvl-art div::before { content: '→ '; color: var(--phosphor); }

/* -- Tree (ASCII-art) ---------------------------------------------- */
.v2 .tree-shell {
  background: var(--carbon-2); border: 1px solid var(--bone-line);
  display: grid; grid-template-columns: 1fr 1fr; gap: 0;
}
.v2 .tree-shell > div { padding: 32px; }
.v2 .tree-shell > div:first-child { border-right: 1px solid var(--bone-line); }
.v2 .tree-ascii { white-space: pre; font-size: 14px; line-height: 1.7; }
.v2 .tree-line { display: block; cursor: default; }
.v2 .tree-line.clickable { cursor: pointer; }
.v2 .tree-line.clickable:hover { color: var(--phosphor); }
.v2 .tree-line.active { color: var(--phosphor); }
.v2 .tree-line .dim { color: var(--bone-dim); }

.v2 .tree-detail h3 { font-size: 22px; margin-bottom: 6px; font-weight: 500; }
.v2 .tree-detail .path-crumb { color: var(--phosphor); font-size: 12px; margin-bottom: 16px; }
.v2 .tree-detail p { color: var(--bone-dim); margin-bottom: 20px; font-size: 13px; }
.v2 .tree-detail ul { list-style: none; }
.v2 .tree-detail li { font-size: 13px; padding: 8px 0; border-top: 1px dashed var(--bone-line); display:flex; justify-content: space-between; color: var(--bone); }
.v2 .tree-detail li span:last-child { color: var(--bone-dim); font-size: 11px; text-transform: uppercase; }
.v2 .tree-hint { margin-top: 20px; padding-top: 16px; border-top: 1px dashed var(--bone-line); color: var(--bone-dim); font-size: 12px; }

.v2 .principles { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin-top: 32px; }
.v2 .principle { padding: 20px; border: 1px solid var(--bone-line); }
.v2 .principle h4 { color: var(--phosphor); font-size: 13px; text-transform: uppercase; letter-spacing: .1em; margin-bottom: 8px; }
.v2 .principle p { color: var(--bone-dim); font-size: 13px; }

/* -- Phases (gantt-ish) -------------------------------------------- */
.v2 .gantt { margin-top: 40px; }
.v2 .gantt-head { display:grid; grid-template-columns: 140px 200px 1fr; gap: 20px; padding-bottom: 12px; border-bottom: 1px solid var(--bone-line); font-size: 11px; color: var(--bone-dim); text-transform: uppercase; letter-spacing: .1em; }
.v2 .gantt-row { display:grid; grid-template-columns: 140px 200px 1fr; gap: 20px; padding: 16px 0; border-bottom: 1px dashed var(--bone-line); align-items: center; }
.v2 .gantt-row .g-w { color: var(--bone-dim); font-size: 13px; }
.v2 .gantt-row .g-n { font-size: 18px; font-weight: 500; }
.v2 .gantt-row .g-body { display:flex; align-items: center; gap: 16px; font-size: 13px; color: var(--bone-dim); }
.v2 .gantt-row .g-bar { flex: 0 0 50%; height: 10px; background: var(--carbon-2); border: 1px solid var(--bone-line); position: relative; overflow: hidden; }
.v2 .gantt-row .g-bar span { position: absolute; top: 0; bottom: 0; background: var(--phosphor); }

/* -- Roles (stages) ------------------------------------------------ */
.v2 .roles { display:grid; grid-template-columns: 1fr 60px 1fr 60px 1fr; gap: 0; margin-top: 40px; align-items: stretch; }
.v2 .role { padding: 28px; border: 1px solid var(--bone-line); background: var(--carbon-2); transition: all .3s; cursor: pointer; }
.v2 .role:hover, .v2 .role.active { border-color: var(--phosphor); }
.v2 .role .r-n { color: var(--phosphor); font-size: 11px; text-transform: uppercase; letter-spacing: .1em; margin-bottom: 14px; }
.v2 .role .r-name { font-size: 26px; letter-spacing: -0.01em; font-weight: 500; margin-bottom: 10px; }
.v2 .role .r-b { color: var(--bone-dim); font-size: 13px; margin-bottom: 16px; }
.v2 .role ul { list-style: none; margin-bottom: 14px; }
.v2 .role ul li { font-size: 12px; padding: 4px 0; color: var(--bone-dim); }
.v2 .role ul li::before { content: '· '; color: var(--phosphor); }
.v2 .role .r-risk { font-size: 11px; color: var(--red); text-transform: uppercase; letter-spacing: .08em; padding-top: 12px; border-top: 1px dashed var(--bone-line); }
.v2 .role-arrow { display:grid; place-items:center; color: var(--phosphor); font-size: 24px; }

/* -- Patterns ------------------------------------------------------ */
.v2 .patterns { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-top: 32px; }
.v2 .patt { padding: 24px; border: 1px solid var(--bone-line); }
.v2 .patt h3 { font-size: 12px; text-transform: uppercase; letter-spacing: .1em; margin-bottom: 14px; }
.v2 .patt.bad h3 { color: var(--red); }
.v2 .patt.good h3 { color: var(--phosphor); }
.v2 .patt ul { list-style: none; display:grid; gap: 10px; }
.v2 .patt li { font-size: 13px; padding-left: 24px; position: relative; color: var(--bone-dim); line-height: 1.5; }
.v2 .patt.bad li::before { content: '✗'; color: var(--red); position: absolute; left: 0; }
.v2 .patt.good li::before { content: '✓'; color: var(--phosphor); position: absolute; left: 0; }

/* -- Outcomes ------------------------------------------------------ */
.v2 .outs { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; margin-top: 40px; border-top: 1px solid var(--bone-line); border-left: 1px solid var(--bone-line); }
.v2 .out-cell { padding: 24px; border-right: 1px solid var(--bone-line); border-bottom: 1px solid var(--bone-line); min-height: 180px; display:flex; flex-direction: column; }
.v2 .out-cell .on { color: var(--phosphor); font-size: 11px; letter-spacing: .1em; }
.v2 .out-cell .ot { font-size: 18px; margin: 10px 0 auto 0; font-weight: 500; }
.v2 .out-cell .od { color: var(--bone-dim); font-size: 13px; }

/* -- Quotes -------------------------------------------------------- */
.v2 .quotes { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-top: 40px; }
.v2 .quote { padding: 24px; border: 1px solid var(--bone-line); background: var(--carbon-2); }
.v2 .quote-t { font-size: 17px; line-height: 1.5; margin-bottom: 18px; }
.v2 .quote-t::before { content: '"'; color: var(--phosphor); font-size: 28px; vertical-align: -6px; margin-right: 4px; }
.v2 .quote-w { color: var(--phosphor); font-size: 12px; text-transform: uppercase; letter-spacing: .08em; }
.v2 .quote-m { color: var(--bone-dim); font-size: 12px; margin-top: 4px; }

/* -- Formats ------------------------------------------------------- */
.v2 .formats { display:grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin-top: 40px; }
.v2 .fmt { padding: 28px; border: 1px solid var(--bone-line); display: flex; flex-direction: column; gap: 12px; min-height: 480px; background: var(--carbon-2); }
.v2 .fmt.featured { border-color: var(--phosphor); background: linear-gradient(180deg, rgba(142,232,93,.06), transparent 50%); }
.v2 .fmt .fk { color: var(--phosphor); font-size: 11px; text-transform: uppercase; letter-spacing: .1em; }
.v2 .fmt .ft { font-size: 28px; font-weight: 500; letter-spacing: -0.01em; }
.v2 .fmt .fm { color: var(--bone-dim); font-size: 12px; padding-bottom: 12px; border-bottom: 1px dashed var(--bone-line); }
.v2 .fmt ul { list-style: none; display:grid; gap: 8px; }
.v2 .fmt li { font-size: 13px; color: var(--bone-dim); padding-left: 18px; position: relative; line-height: 1.5; }
.v2 .fmt li::before { content: '+'; color: var(--phosphor); position: absolute; left: 0; }
.v2 .fmt-cta { margin-top: auto; padding: 10px 0; border-top: 1px dashed var(--bone-line); font-size: 12px; text-transform: uppercase; letter-spacing: .1em; display:flex; justify-content: space-between; }
.v2 .fmt-cta:hover { color: var(--phosphor); }

/* -- CTA form ------------------------------------------------------ */
.v2 .cta-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; margin-top: 40px; }
.v2 .cta-form { background: var(--carbon-2); border: 1px solid var(--bone-line); padding: 28px; display: grid; gap: 20px; }
.v2 .cta-form label { font-size: 11px; color: var(--bone-dim); text-transform: uppercase; letter-spacing: .08em; margin-bottom: 6px; display:block; }
.v2 .cta-form input, .v2 .cta-form textarea {
  width: 100%; background: transparent; border: none; border-bottom: 1px solid var(--bone-line);
  padding: 8px 0; color: var(--bone); font: inherit; font-size: 14px;
}
.v2 .cta-form input:focus, .v2 .cta-form textarea:focus { outline: none; border-color: var(--phosphor); }
.v2 .cta-chips { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 8px; }
.v2 .cta-chip { padding: 6px 12px; border: 1px solid var(--bone-line); color: var(--bone-dim); font-size: 12px; cursor: pointer; }
.v2 .cta-chip.on { background: var(--phosphor); color: var(--carbon); border-color: var(--phosphor); }

/* -- Footer -------------------------------------------------------- */
.v2 .footer { padding: 48px 0; margin-top: 80px; border-top: 1px solid var(--bone-line); color: var(--bone-dim); font-size: 12px; }
.v2 .footer-inner { display:flex; justify-content: space-between; flex-wrap: wrap; gap: 24px; }
.v2 .footer a { padding: 0 8px; }
.v2 .footer a:hover { color: var(--phosphor); }