/* Components — nav, hero, install, pipeline, vibes, tiers, mandates, tabs, faq, beyond, footer */

/* ============ NAV ============ */
.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: color-mix(in srgb, var(--bg) 92%, transparent);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--rule);
}
.nav-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 60px;
  gap: 24px;
}
.nav-mark {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--ink);
}
.nav-mark svg { display: block; }
.nav-mark .nav-word {
  font-family: var(--font-display);
  font-style: italic;
  font-size: 22px;
  letter-spacing: -0.01em;
}
.nav-links {
  display: flex;
  gap: 28px;
  list-style: none;
  margin: 0;
  padding: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}
.nav-links a {
  color: var(--ink-muted);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  padding-bottom: 2px;
  transition: color var(--dur-standard) var(--ease-signature),
              border-color var(--dur-standard) var(--ease-signature);
}
.nav-links a:hover {
  color: var(--ink);
  border-bottom-color: var(--accent);
}
.nav-cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink);
  text-decoration: none;
  border: 1px solid var(--ink);
  padding: 9px 14px 9px 14px;
  background: var(--bg);
  transition: background var(--dur-standard) var(--ease-signature),
              color var(--dur-standard) var(--ease-signature);
}
.nav-cta:hover { background: var(--ink); color: var(--bg); }
.nav-cta svg { width: 14px; height: 14px; }

@media (max-width: 900px) {
  .nav-links { display: none; }
}

/* ============ HERO ============ */
.hero { padding: 64px 0 80px; }
.hero-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 88px;
  gap: 24px;
  flex-wrap: wrap;
}
.wordmark {
  font-family: var(--font-display);
  font-style: italic;
  font-size: 28px;
  letter-spacing: -0.02em;
}
.meta {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--ink-muted);
  display: flex;
  gap: 20px;
}
.meta a { color: var(--ink-muted); }
.h1 {
  font-size: clamp(48px, 8vw, 116px);
  line-height: 0.92;
  letter-spacing: -0.025em;
  grid-column: 1 / span 9;
}
.h1 em {
  color: var(--accent);
  font-style: italic;
}
.hero-sub {
  grid-column: 9 / span 4;
  align-self: end;
  font-size: var(--fs-lede);
  color: var(--ink-muted);
  max-width: 36ch;
}
.hero-stats {
  margin-top: 88px;
  grid-column: 1 / span 12;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--gutter);
  border-top: 1px solid var(--rule);
  padding-top: 32px;
}
.stat-num {
  font-family: var(--font-display);
  font-size: 56px;
  line-height: 1;
}
.stat-label {
  font-family: var(--font-mono);
  font-size: var(--fs-mono);
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--ink-muted);
  margin-top: 8px;
}

@media (max-width: 900px) {
  .h1 { grid-column: 1 / span 12; }
  .hero-sub { grid-column: 1 / span 12; margin-top: 24px; }
  .hero-stats { grid-template-columns: repeat(2, 1fr); }
}

/* ============ INSTALL ============ */
.install-grid {
  grid-column: 1 / span 12;
  display: grid;
  grid-template-columns: 7fr 5fr;
  gap: 56px;
  align-items: start;
}
.install-block { display: flex; flex-direction: column; gap: 14px; }
.install-prompt {
  display: flex;
  align-items: stretch;
  border: 1px solid var(--ink);
  background: var(--bg-elev);
  font-family: var(--font-mono);
  position: relative;
  box-shadow: 6px 6px 0 0 var(--ink);
  transition: transform var(--dur-standard) var(--ease-signature),
              box-shadow var(--dur-standard) var(--ease-signature);
}
.install-prompt:hover {
  transform: translate(-2px, -2px);
  box-shadow: 8px 8px 0 0 var(--ink);
}
.install-prompt .prompt-tag {
  background: var(--ink);
  color: var(--bg);
  padding: 18px 16px;
  font-size: 13px;
  letter-spacing: 0.08em;
  display: flex;
  align-items: center;
}
.install-prompt .prompt-cmd {
  flex: 1;
  padding: 18px 20px;
  font-size: 15px;
  color: var(--ink);
  white-space: nowrap;
  overflow-x: auto;
  display: flex;
  align-items: center;
}
.install-prompt .copy-btn {
  border-left: 1px solid var(--rule);
  padding: 0 18px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--ink-muted);
  cursor: pointer;
  transition: color var(--dur-standard) var(--ease-signature);
}
.install-prompt .copy-btn:hover { color: var(--accent); }
.install-prompt .copy-btn[data-copied="true"] { color: var(--accent); }
.install-caption {
  font-size: 14px;
  color: var(--ink-muted);
  line-height: 1.6;
  max-width: 60ch;
}
.install-caption strong { color: var(--ink); font-weight: 500; }

.install-side h3 {
  font-size: 20px;
  font-style: italic;
  margin-bottom: 14px;
}
.install-side .install-prompt {
  margin-bottom: 14px;
  box-shadow: 4px 4px 0 0 var(--accent);
}
.install-side .install-prompt:hover {
  box-shadow: 6px 6px 0 0 var(--accent);
}
.install-side p {
  font-size: 13px;
  color: var(--ink-muted);
  line-height: 1.6;
}
.install-side ul {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--ink-muted);
  list-style: none;
  padding: 0;
  margin: 12px 0 0;
  columns: 2;
  column-gap: 16px;
}
.install-side li { padding: 4px 0; }
.install-side li::before { content: '— '; color: var(--accent); }

@media (max-width: 900px) {
  .install-grid { grid-template-columns: 1fr; gap: 48px; }
  .install-side ul { columns: 1; }
}

/* ============ SCOPE ============ */
.scope-grid {
  grid-column: 1 / span 12;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: start;
}
.scope-col h3 {
  font-size: 20px;
  margin-bottom: 20px;
  font-style: italic;
}
.scope-col ul { list-style: none; padding: 0; margin: 0; }
.scope-col li {
  padding: 12px 0;
  border-bottom: 1px solid var(--rule);
  display: flex;
  gap: 16px;
  align-items: baseline;
}
.scope-col li::before {
  content: '';
  display: inline-block;
  width: 8px;
  height: 8px;
  flex-shrink: 0;
  background: var(--accent);
  border-radius: 50%;
  transform: translateY(2px);
}
.scope-col li code { background: transparent; padding: 0; color: var(--ink-muted); }

@media (max-width: 900px) {
  .scope-grid { grid-template-columns: 1fr; gap: 48px; }
}

/* ============ WHY ============ */
.why-stats {
  grid-column: 1 / span 12;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--gutter);
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
  padding: 32px 0;
  margin-bottom: 56px;
}
.why-stats .stat-num { font-size: 48px; }

.why-compare {
  grid-column: 1 / span 12;
  display: grid;
  grid-template-columns: 1fr 1px 1fr;
  gap: 0 64px;
  align-items: start;
}
.why-compare-rule {
  background: var(--rule);
  width: 1px;
  align-self: stretch;
  position: relative;
}
.why-compare-rule::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 6px;
  height: 6px;
  background: var(--accent);
  border-radius: 50%;
}
.why-col h3 { font-size: 20px; margin-bottom: 20px; font-style: italic; }
.why-col-ai h3 { color: var(--ink-muted); }
.why-col ul { list-style: none; padding: 0; margin: 0; }
.why-col li {
  padding: 10px 0;
  border-bottom: 1px solid var(--rule);
  font-size: 14px;
  line-height: 1.5;
}
.why-col li:last-child { border-bottom: none; }
.why-col-ai li {
  color: var(--ink-muted);
  font-family: var(--font-mono);
  font-size: 13px;
}
.why-col-human li { color: var(--ink); }
.why-close {
  grid-column: 1 / span 12;
  margin-top: 48px;
  font-size: 16px;
  color: var(--ink-muted);
  font-style: italic;
  max-width: 60ch;
}

@media (max-width: 900px) {
  .why-stats { grid-template-columns: repeat(2, 1fr); }
  .why-compare { grid-template-columns: 1fr; }
  .why-compare-rule { display: none; }
}

/* ============ PIPELINE ============ */
.pipeline {
  grid-column: 1 / span 12;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.phase {
  border: 1px solid var(--rule);
  padding: 24px;
  background: var(--bg);
  position: relative;
  transition: border-color var(--dur-standard) var(--ease-signature),
              transform var(--dur-standard) var(--ease-signature);
}
.phase:hover {
  border-color: var(--accent);
  transform: translateY(-2px);
}
.phase-num {
  font-family: var(--font-mono);
  font-size: var(--fs-mono);
  color: var(--accent);
  letter-spacing: 0.15em;
}
.phase h3 {
  font-size: 22px;
  margin: 12px 0 12px;
  font-style: italic;
}
.phase p {
  font-size: 14px;
  color: var(--ink-muted);
  line-height: 1.5;
  margin-bottom: 16px;
}
.phase .ref {
  font-family: var(--font-mono);
  font-size: var(--fs-mono);
  color: var(--ink-muted);
  border-top: 1px solid var(--rule);
  padding-top: 12px;
  display: block;
}

@media (max-width: 900px) {
  .pipeline { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 600px) {
  .pipeline { grid-template-columns: 1fr; }
}

/* ============ VIBES ============ */
.vibes { grid-column: 1 / span 12; }
.vibe-row {
  display: grid;
  grid-template-columns: 2fr 3fr 3fr 1fr 2fr;
  gap: 24px;
  padding: 24px 0;
  border-bottom: 1px solid var(--rule);
  align-items: center;
  transition: background var(--dur-standard) var(--ease-signature);
}
.vibe-row:not(:first-child):hover {
  background: var(--bg-muted);
  margin: 0 -12px;
  padding-left: 12px;
  padding-right: 12px;
}
.vibe-row:first-child {
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--ink);
  font-family: var(--font-mono);
  font-size: var(--fs-mono);
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--ink-muted);
  padding: 12px 0;
}
.vibe-name {
  font-family: var(--font-display);
  font-size: 22px;
  font-style: italic;
}
.swatches { display: flex; gap: 4px; }
.swatch {
  width: 28px;
  height: 36px;
  border: 1px solid var(--rule);
}
.vibe-fonts {
  font-size: 13px;
  color: var(--ink-muted);
  line-height: 1.4;
}
.vibe-fonts strong { color: var(--ink); font-weight: 500; }
.intensity {
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--ink);
}
.intensity-bar {
  display: inline-flex;
  gap: 3px;
  vertical-align: middle;
  margin-left: 6px;
}
.intensity-bar span {
  display: block;
  width: 6px;
  height: 14px;
  background: var(--rule);
}
.intensity-bar span.on { background: var(--accent); }
.vibe-illustration {
  font-size: 13px;
  color: var(--ink-muted);
  font-style: italic;
}

@media (max-width: 900px) {
  .vibe-row { grid-template-columns: 1fr; gap: 8px; padding: 20px 0; }
  .vibe-row:first-child { display: none; }
}

/* ============ TIERS ============ */
.tiers {
  grid-column: 1 / span 12;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}
.tier {
  border: 1px solid var(--rule);
  padding: 32px 24px;
  background: var(--bg);
  position: relative;
}
.tier-1 {
  border-color: var(--accent);
  background: var(--accent-soft);
}
.tier h3 {
  font-size: 28px;
  margin-bottom: 8px;
  font-style: italic;
}
.tier-tag {
  font-family: var(--font-mono);
  font-size: var(--fs-mono);
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--ink-muted);
}
.tier-1 .tier-tag { color: var(--accent); }
.tier ul { list-style: none; padding: 0; margin: 20px 0 0; }
.tier li {
  padding: 10px 0;
  border-bottom: 1px solid var(--rule);
  font-size: 14px;
  line-height: 1.5;
}
.tier li:last-child { border-bottom: none; }
.tier li code {
  background: rgba(26, 23, 21, 0.06);
  font-size: 12px;
}

@media (max-width: 900px) {
  .tiers { grid-template-columns: 1fr; }
}

/* ============ MANDATES ============ */
.mandates-intro {
  grid-column: 1 / span 12;
  max-width: 60ch;
  margin-bottom: 40px;
  font-size: 15px;
  color: var(--ink-muted);
  line-height: 1.6;
}
.mandates-intro strong { color: var(--ink); font-weight: 500; }
.mandates {
  grid-column: 1 / span 12;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}
.mandate {
  border: 1px solid var(--rule);
  padding: 24px;
  background: var(--bg);
  position: relative;
  transition: border-color var(--dur-standard) var(--ease-signature),
              transform var(--dur-standard) var(--ease-signature);
}
.mandate:hover {
  border-color: var(--accent);
  transform: translateY(-2px);
}
.mandate-num {
  font-family: var(--font-mono);
  font-size: var(--fs-mono);
  color: var(--accent);
  letter-spacing: 0.15em;
}
.mandate h3 {
  font-size: 19px;
  margin: 10px 0 12px;
  font-style: italic;
  line-height: 1.15;
}
.mandate p {
  font-size: 13px;
  color: var(--ink-muted);
  line-height: 1.5;
}

@media (max-width: 900px) {
  .mandates { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 600px) {
  .mandates { grid-template-columns: 1fr; }
}

/* ============ TABS (IN PRACTICE) ============ */
.tabs { grid-column: 1 / span 12; }
.tabs-list {
  display: flex;
  gap: 32px;
  border-bottom: 1px solid var(--rule);
  margin-bottom: 40px;
  padding: 0;
  list-style: none;
  flex-wrap: wrap;
}
.tabs-list button {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  padding: 16px 0;
  color: var(--ink-muted);
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
  transition: color var(--dur-standard) var(--ease-signature);
}
.tabs-list button:hover { color: var(--ink); }
.tabs-list button[aria-selected="true"] {
  color: var(--ink);
  border-bottom-color: var(--accent);
}
.tabs-list button:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 4px;
}
.tab-panel { display: none; }
.tab-panel[data-active="true"] { display: block; }
.tab-quote {
  font-family: var(--font-display);
  font-style: italic;
  font-size: 22px;
  line-height: 1.4;
  color: var(--ink);
  border-left: 2px solid var(--accent);
  padding: 8px 0 8px 24px;
  margin: 0 0 32px;
  max-width: 70ch;
}
.tab-flow {
  list-style: none;
  padding: 0;
  margin: 0 0 32px;
  counter-reset: flow-step;
}
.tab-flow li {
  counter-increment: flow-step;
  padding: 12px 0 12px 56px;
  border-bottom: 1px solid var(--rule);
  position: relative;
  font-size: 14px;
  line-height: 1.55;
}
.tab-flow li::before {
  content: counter(flow-step, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 14px;
  font-family: var(--font-mono);
  font-size: var(--fs-mono);
  color: var(--accent);
  letter-spacing: 0.1em;
}
.tab-flow li:last-child { border-bottom: none; }
.tab-flow code { font-size: 12px; }
.tab-outcome {
  font-size: 15px;
  color: var(--ink-muted);
  font-style: italic;
  max-width: 60ch;
  border-top: 1px solid var(--ink);
  padding-top: 16px;
}
.tab-refusal {
  background: var(--bg-muted);
  padding: 24px;
  margin-bottom: 32px;
  border-left: 2px solid var(--accent);
  font-size: 15px;
  line-height: 1.6;
  color: var(--ink);
}
.tab-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink);
  text-decoration: none;
  border-bottom: 1px solid var(--accent);
  padding-bottom: 2px;
  margin-top: 24px;
}
.tab-link:hover { color: var(--accent); }
.tab-link svg { width: 14px; height: 14px; }

.no-js .tab-panel {
  display: block;
  border-top: 1px solid var(--rule);
  padding-top: 32px;
  margin-top: 32px;
}
.no-js .tabs-list { display: none; }

@media (max-width: 900px) {
  .tabs-list { gap: 0; flex-direction: column; border-bottom: none; }
  .tabs-list button {
    text-align: left;
    padding: 16px 0;
    border-bottom: 1px solid var(--rule);
  }
  .tabs-list button[aria-selected="true"] {
    border-bottom-color: var(--accent);
    border-bottom-width: 2px;
  }
  .tab-quote { font-size: 18px; padding-left: 16px; }
}

/* ============ FAQ ============ */
.faq { grid-column: 1 / span 12; }
.faq-item {
  border-bottom: 1px solid var(--rule);
}
.faq-item:first-child { border-top: 1px solid var(--ink); }
.faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 100%;
  text-align: left;
  padding: 28px 0;
  font-family: var(--font-display);
  font-size: clamp(20px, 2.4vw, 28px);
  line-height: 1.2;
  color: var(--ink);
  letter-spacing: -0.01em;
  gap: 24px;
}
.faq-question em { color: var(--accent); font-style: italic; }
.faq-toggle {
  flex-shrink: 0;
  width: 32px;
  height: 32px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--rule);
  border-radius: 50%;
  color: var(--ink-muted);
  transition: transform var(--dur-standard) var(--ease-signature),
              border-color var(--dur-standard) var(--ease-signature),
              color var(--dur-standard) var(--ease-signature);
}
.faq-item[data-open="true"] .faq-toggle {
  transform: rotate(45deg);
  border-color: var(--accent);
  color: var(--accent);
}
.faq-toggle svg { width: 14px; height: 14px; }
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--dur-slow) var(--ease-signature);
}
.faq-item[data-open="true"] .faq-answer { max-height: 600px; }
.faq-answer-inner {
  padding: 0 0 32px;
  max-width: 70ch;
  font-size: 15px;
  line-height: 1.65;
  color: var(--ink-muted);
}
.faq-answer-inner p + p { margin-top: 14px; }
.faq-answer-inner code { font-size: 13px; }
.no-js .faq-answer { max-height: none; }
.no-js .faq-toggle { display: none; }

/* ============ BEYOND ============ */
.beyond { grid-column: 1 / span 12; }
.beyond-row {
  display: grid;
  grid-template-columns: 3fr 2fr;
  gap: var(--gutter);
  padding: 24px 0;
  border-bottom: 1px solid var(--rule);
  align-items: baseline;
}
.beyond-row:first-child {
  border-top: 1px solid var(--ink);
  border-bottom: 1px solid var(--ink);
  font-family: var(--font-mono);
  font-size: var(--fs-mono);
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--ink-muted);
  padding: 12px 0;
}
.beyond-need { font-size: 16px; line-height: 1.4; }
.beyond-skill {
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--ink);
}
.beyond-skill code {
  background: var(--bg-muted);
  padding: 4px 10px;
  border-radius: 0;
  border-left: 2px solid var(--accent);
  font-size: 13px;
}

@media (max-width: 900px) {
  .beyond-row { grid-template-columns: 1fr; gap: 8px; padding: 20px 0; }
  .beyond-row:first-child { display: none; }
}

/* ============ FOOTER ============ */
footer {
  padding: 48px 0 32px;
  border-top: 1px solid var(--ink);
  margin-top: 96px;
}
.foot-row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 16px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--ink-muted);
}
.foot-row span em {
  font-family: var(--font-display);
  font-style: italic;
  color: var(--ink);
  font-size: 14px;
}
.foot-row a { color: var(--ink-muted); }
.foot-credit {
  margin-top: 24px;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--ink-subtle);
  letter-spacing: 0.08em;
}

/* ============ SHARED — section number badge in hero stats ============ */
.h1 .h1-line {
  display: block;
  overflow: hidden;
}
.h1 .h1-line .h1-inner {
  display: inline-block;
}