/*
 * /solutions/enterprise — Enterprise capabilities.  Story = SCALE.
 *
 *  Five acts, each unique mechanic:
 *    1. Left-anchored editorial hero + 4-tile proof row
 *    2. Scroll-paint spotlight on 4 capability themes
 *    3. Fourteen capabilities (verbatim brief sect 33.3) with IO stagger
 *    4. Horizontal engagement-flow stepper (5 beats)
 *    5. Direct sales-call closer
 *
 *  Cursor language per DESIGN.md: native pointer on CTAs.
 *  No SVG portal in-page beyond back-to-top.
 */

@import url("../../_ds/fonts.css");
@import url("../../_ds/theme.css");
@import url("../../_shared/chrome.css");
@import url("../../_shared/components.css");
@import url("../../_shared/audience-switcher.css");

/* Cursor portal scope */
.back-to-top { cursor: pointer; }

/* ═══════════════════════════════════════════════════════════
   ACT 1 — Asymmetric hero (editorial + capacity monolith)
═══════════════════════════════════════════════════════════ */

.en-hero {
  position: relative;
  padding: clamp(160px, 20vh, 220px) clamp(24px, 5vw, 56px) clamp(72px, 9vh, 112px);
  background: var(--surface);
}

.en-hero-frame {
  max-width: 1480px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  column-gap: clamp(32px, 5vw, 88px);
  row-gap: clamp(56px, 7vw, 88px);
  align-items: start;
}

.en-hero-text {
  display: flex;
  flex-direction: column;
  gap: 22px;
  /* No max-width cap on the column — the H1 needs the full
     grid column width to read horizontally at large screens.
     Sub-paragraph readability is constrained on .en-hero-sub
     itself (56ch) so prose still wraps at a sensible measure. */
}

.en-hero-kicker { margin: 0; }

.en-hero-h1 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 500;
  font-size: var(--mkt-hero-xl);
  line-height: 1.04;
  letter-spacing: -0.028em;
  color: var(--text-primary);
  text-wrap: balance;
}

.en-hero-h1 em {
  font-style: normal;
  font-weight: 500;
  color: var(--text-primary);
}

.en-hero-sub {
  margin: 0;
  font-family: var(--font-base);
  font-size: var(--mkt-body);
  line-height: 1.55;
  color: var(--text-secondary);
  max-width: 56ch;
}

.en-hero-cta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px 16px;
  margin-top: clamp(8px, 1.2vh, 16px);
}

/* Page-signature monolith — stacked capacity bars.  Lives in
   the right column of the hero grid.  Bars fade in + fill on
   IO enter via .is-in (added by JS). */
.en-hero-signature {
  display: flex;
  flex-direction: column;
  gap: 18px;
  padding: clamp(24px, 2vw, 32px);
  border: 1px solid var(--border-subtle);
  border-radius: 14px;
  background: linear-gradient(180deg,
    color-mix(in srgb, var(--surface) 88%, var(--text-primary) 0%),
    var(--surface) 70%);
  max-width: 440px;
  width: 100%;
}

.en-hero-signature-label,
.en-hero-signature-foot {
  margin: 0;
  font-family: var(--font-code, "IBM Plex Mono", monospace);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-tertiary);
}

.en-hero-signature-foot {
  text-transform: none;
  letter-spacing: 0;
  font-family: var(--font-base);
  font-size: 12px;
  color: var(--text-quaternary);
  font-style: italic;
}

.en-hero-signature-stack {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.en-hero-bar {
  display: grid;
  grid-template-columns: 110px 1fr;
  align-items: center;
  column-gap: 16px;
}

.en-hero-bar-name {
  font-family: var(--font-base);
  font-size: 12.5px;
  font-weight: 500;
  color: var(--text-secondary);
  letter-spacing: -0.005em;
}

.en-hero-bar-track {
  position: relative;
  height: 8px;
  border-radius: 999px;
  background: color-mix(in srgb, var(--text-primary) 8%, transparent);
  overflow: hidden;
}

.en-hero-bar-fill {
  position: absolute;
  inset: 0;
  width: 0%;
  border-radius: inherit;
  background: var(--text-primary);
  transition: width 1100ms cubic-bezier(0.22, 1, 0.36, 1);
}

.en-hero-signature.is-in .en-hero-bar-fill { width: var(--fill, 80%); }

/* Stagger the bar fills by row. */
.en-hero-signature.is-in .en-hero-bar:nth-child(1) .en-hero-bar-fill { transition-delay: 80ms; }
.en-hero-signature.is-in .en-hero-bar:nth-child(2) .en-hero-bar-fill { transition-delay: 180ms; }
.en-hero-signature.is-in .en-hero-bar:nth-child(3) .en-hero-bar-fill { transition-delay: 280ms; }
.en-hero-signature.is-in .en-hero-bar:nth-child(4) .en-hero-bar-fill { transition-delay: 380ms; }
.en-hero-signature.is-in .en-hero-bar:nth-child(5) .en-hero-bar-fill { transition-delay: 480ms; }
.en-hero-signature.is-in .en-hero-bar:nth-child(6) .en-hero-bar-fill { transition-delay: 580ms; }

@media (prefers-reduced-motion: reduce) {
  .en-hero-bar-fill { transition: none; }
  .en-hero-signature .en-hero-bar-fill { width: var(--fill, 80%); }
}

/* Proof tiles — 4-column hairline row, full-bleed below the
   2-column wedge. */
.en-hero-proof {
  grid-column: 1 / -1;
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0;
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
}

.en-hero-proof-tile {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: clamp(20px, 2vw, 32px) clamp(16px, 2vw, 28px);
  border-right: 1px solid var(--border-subtle);
}

.en-hero-proof-tile:last-child { border-right: none; }

.en-hero-proof-tile dt {
  font-family: var(--font-code, "IBM Plex Mono", monospace);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-tertiary);
}

.en-hero-proof-tile dd {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: var(--mkt-h4);
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: var(--text-primary);
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
}

.en-hero-proof-unit {
  font-family: var(--font-code, "IBM Plex Mono", monospace);
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-tertiary);
}

/* ═══════════════════════════════════════════════════════════
   ACT 2 — Capability themes spotlight crossfade
   Four themes stacked vertically.  An IO observer per theme
   adds .is-focused to whichever theme is centred in viewport;
   the others dim.  Sub-points reveal on focus.
═══════════════════════════════════════════════════════════ */

.en-themes {
  position: relative;
  padding: clamp(96px, 14vh, 160px) clamp(24px, 5vw, 56px);
  background: var(--surface);
}

.en-themes-frame {
  max-width: 1280px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: minmax(0, 4fr) minmax(0, 8fr);
  gap: clamp(40px, 5vw, 80px);
  align-items: start;
}

.en-themes-head {
  display: flex;
  flex-direction: column;
  gap: 14px;
  position: sticky;
  top: clamp(96px, 12vh, 140px);
}

.en-themes-h2 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 500;
  font-size: var(--mkt-h2);
  line-height: 1.06;
  letter-spacing: -0.025em;
  color: var(--text-primary);
  text-wrap: balance;
}

.en-themes-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: clamp(48px, 6vw, 88px);
}

.en-theme {
  display: grid;
  grid-template-columns: 56px minmax(0, 1fr);
  column-gap: clamp(16px, 1.6vw, 28px);
  align-items: baseline;
  opacity: 0.32;
  transition: opacity 480ms cubic-bezier(0.22, 1, 0.36, 1);
}

.en-theme.is-focused { opacity: 1; }

.en-theme-num {
  font-family: var(--font-code, "IBM Plex Mono", monospace);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--text-tertiary);
  padding-top: 8px;
}

.en-theme-body {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.en-theme-name {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: var(--mkt-h4);
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: var(--text-primary);
}

.en-theme-line {
  margin: 0;
  font-family: var(--font-base);
  font-size: 14.5px;
  line-height: 1.55;
  color: var(--text-secondary);
  max-width: 52ch;
}

.en-theme-points {
  list-style: none;
  margin: 8px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 6px 16px;
}

.en-theme-points li {
  position: relative;
  padding-left: 18px;
  font-family: var(--font-base);
  font-size: 13.5px;
  line-height: 1.5;
  color: var(--text-secondary);
}

.en-theme-points li::before {
  content: "—";
  position: absolute;
  left: 0;
  top: 0;
  font-family: var(--font-code, "IBM Plex Mono", monospace);
  color: var(--text-tertiary);
}

@media (prefers-reduced-motion: reduce) {
  .en-theme { opacity: 1; transition: none; }
}

/* ═══════════════════════════════════════════════════════════
   ACT 3 — Fourteen capabilities (verbatim from brief 33.3)
═══════════════════════════════════════════════════════════ */

.en-caps {
  position: relative;
  padding: clamp(96px, 14vh, 160px) clamp(24px, 5vw, 56px);
  background: var(--surface);
}

.en-caps-frame {
  max-width: 1480px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: clamp(40px, 5vw, 64px);
}

.en-caps-head {
  display: flex;
  flex-direction: column;
  gap: 14px;
  max-width: 56ch;
}

.en-caps-h2 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 500;
  font-size: var(--mkt-h2);
  line-height: 1.06;
  letter-spacing: -0.025em;
  color: var(--text-primary);
  text-wrap: balance;
}

.en-caps-h2 em {
  font-style: normal;
  font-weight: 500;
  color: var(--text-primary);
}

.en-caps-grid {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  border-top: 1px solid var(--border-subtle);
  border-left: 1px solid var(--border-subtle);
}

.en-cap {
  display: grid;
  grid-template-columns: 56px 1fr;
  column-gap: 20px;
  row-gap: 8px;
  align-items: baseline;
  padding: clamp(22px, 2.4vw, 32px) clamp(20px, 2vw, 28px);
  border-right: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
  opacity: 0;
  transform: translateY(8px);
  transition: opacity 600ms ease, transform 600ms ease;
}

.en-caps.is-in .en-cap { opacity: 1; transform: none; }

/* Staggered enter — 14 children, ~30ms between each. */
.en-caps.is-in .en-cap:nth-child(1)  { transition-delay: 0ms; }
.en-caps.is-in .en-cap:nth-child(2)  { transition-delay: 40ms; }
.en-caps.is-in .en-cap:nth-child(3)  { transition-delay: 80ms; }
.en-caps.is-in .en-cap:nth-child(4)  { transition-delay: 120ms; }
.en-caps.is-in .en-cap:nth-child(5)  { transition-delay: 160ms; }
.en-caps.is-in .en-cap:nth-child(6)  { transition-delay: 200ms; }
.en-caps.is-in .en-cap:nth-child(7)  { transition-delay: 240ms; }
.en-caps.is-in .en-cap:nth-child(8)  { transition-delay: 280ms; }
.en-caps.is-in .en-cap:nth-child(9)  { transition-delay: 320ms; }
.en-caps.is-in .en-cap:nth-child(10) { transition-delay: 360ms; }
.en-caps.is-in .en-cap:nth-child(11) { transition-delay: 400ms; }
.en-caps.is-in .en-cap:nth-child(12) { transition-delay: 440ms; }
.en-caps.is-in .en-cap:nth-child(13) { transition-delay: 480ms; }
.en-caps.is-in .en-cap:nth-child(14) { transition-delay: 520ms; }

.en-cap-num {
  grid-row: 1 / span 2;
  font-family: var(--font-code, "IBM Plex Mono", monospace);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--text-quaternary);
  align-self: start;
  padding-top: 4px;
}

.en-cap-name {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(18px, 1.5vw, 22px);
  line-height: 1.15;
  letter-spacing: -0.015em;
  color: var(--text-primary);
}

.en-cap-line {
  margin: 0;
  font-family: var(--font-base);
  font-size: 14px;
  line-height: 1.5;
  color: var(--text-secondary);
  max-width: 38ch;
}

/* ═══════════════════════════════════════════════════════════
   ACT 4 — Engagement-flow stepper (horizontal track)
═══════════════════════════════════════════════════════════ */

.en-flow {
  position: relative;
  padding: clamp(96px, 14vh, 160px) clamp(24px, 5vw, 56px);
  background: var(--surface);
}

.en-flow-frame {
  max-width: 1480px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: clamp(40px, 5vw, 64px);
}

.en-flow-head {
  display: flex;
  flex-direction: column;
  gap: 14px;
  max-width: 64ch;
}

.en-flow-h2 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 500;
  font-size: var(--mkt-h2);
  line-height: 1.06;
  letter-spacing: -0.025em;
  color: var(--text-primary);
  text-wrap: balance;
}

.en-flow-sub {
  margin: 0;
  font-family: var(--font-base);
  font-size: 15px;
  line-height: 1.55;
  color: var(--text-secondary);
  max-width: 64ch;
}

.en-flow-track {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: clamp(0px, 0.4vw, 4px);
  position: relative;
}

/* Connecting line between beats — sits behind the dots */
.en-flow-track::before {
  content: "";
  position: absolute;
  top: 64px;
  left: 8%;
  right: 8%;
  height: 1px;
  background: var(--border-subtle);
  pointer-events: none;
}

.en-flow-beat {
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding: clamp(20px, 2vw, 28px) clamp(12px, 1.5vw, 22px);
  position: relative;
}

.en-flow-beat::before {
  content: "";
  position: absolute;
  top: 56px;
  left: 50%;
  transform: translateX(-50%);
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--surface);
  border: 1.5px solid var(--text-tertiary);
}

.en-flow-beat--final::before {
  background: #7C4FE8;
  border-color: #7C4FE8;
}

.en-flow-beat-week {
  align-self: flex-start;
  padding: 3px 9px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-subtle);
  font-family: var(--font-code, "IBM Plex Mono", monospace);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--text-tertiary);
}

.en-flow-beat--final .en-flow-beat-week {
  background: rgba(124, 79, 232, 0.18);
  border-color: rgba(124, 79, 232, 0.4);
  color: #C7B0FF;
}

.en-flow-beat-name {
  margin: 36px 0 0;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(18px, 1.4vw, 22px);
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: var(--text-primary);
}

.en-flow-beat-line {
  margin: 0;
  font-family: var(--font-base);
  font-size: 13.5px;
  line-height: 1.5;
  color: var(--text-secondary);
}

/* ═══════════════════════════════════════════════════════════
   ACT 5 — Closer: asymmetric, dual CTA, no centered template
═══════════════════════════════════════════════════════════ */

.en-end {
  position: relative;
  padding: clamp(112px, 14vh, 160px) clamp(24px, 5vw, 56px) clamp(96px, 14vh, 160px);
  background: var(--surface);
}

.en-end-frame {
  max-width: 1280px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  gap: clamp(40px, 5vw, 80px);
  align-items: end;
}

.en-end-text {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.en-end-h2 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 500;
  font-size: var(--mkt-h2);
  line-height: 1.04;
  letter-spacing: -0.025em;
  color: var(--text-primary);
  text-wrap: balance;
}

.en-end-sub {
  margin: 0;
  font-family: var(--font-base);
  font-size: 15px;
  line-height: 1.55;
  color: var(--text-secondary);
  max-width: 52ch;
}

.en-end-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px 16px;
}

/* ═══════════════════════════════════════════════════════════
   Wide-desktop tiers
═══════════════════════════════════════════════════════════ */

@media (min-width: 1600px) {
  .en-hero-frame, .en-flow-frame, .en-caps-frame { max-width: 1600px; }
  .en-hero-frame { grid-template-columns: minmax(0, 8fr) minmax(0, 4fr); }
  .en-themes-frame, .en-end-frame { max-width: 1440px; }
  
  .en-themes-h2, .en-caps-h2, .en-flow-h2 { font-size: clamp(40px, 3.4vw, 60px); }
  .en-end-h2 { font-size: clamp(44px, 4vw, 72px); }
  .en-cap-name { font-size: clamp(20px, 1.5vw, 24px); }
  .en-theme-name { font-size: var(--mkt-h3); }
}

@media (min-width: 1920px) {
  .en-hero-frame, .en-flow-frame, .en-caps-frame { max-width: 1760px; }
  .en-themes-frame, .en-end-frame { max-width: 1600px; }
  
}

@media (min-width: 2400px) {
  .en-hero-frame, .en-flow-frame, .en-caps-frame { max-width: 2080px; }
  .en-themes-frame, .en-end-frame { max-width: 1840px; }
}

/* ═══════════════════════════════════════════════════════════
   Responsive collapses
═══════════════════════════════════════════════════════════ */

@media (max-width: 1100px) {
  .en-hero-frame { grid-template-columns: 1fr; }
  .en-hero-signature { max-width: 540px; }
  .en-themes-frame { grid-template-columns: 1fr; gap: clamp(32px, 4vw, 48px); }
  .en-themes-head { position: static; }
  .en-flow-track { grid-template-columns: 1fr; }
  .en-flow-track::before { display: none; }
  .en-flow-beat::before { display: none; }
  .en-flow-beat-name { margin-top: 0; }
  .en-end-frame { grid-template-columns: 1fr; align-items: stretch; }
}

@media (max-width: 720px) {
  .en-hero-proof { grid-template-columns: repeat(2, minmax(0, 1fr)); border-left: 1px solid var(--border-subtle); }
  .en-hero-proof-tile { border-right: none; border-bottom: 1px solid var(--border-subtle); }
  .en-hero-proof-tile:nth-child(even) { border-left: 1px solid var(--border-subtle); }
  .en-caps-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); border-left: 1px solid var(--border-subtle); }
  .en-cap { border-right: none; border-bottom: 1px solid var(--border-subtle); }
  .en-cap:nth-child(even) { border-left: 1px solid var(--border-subtle); }
  .en-theme { grid-template-columns: 36px 1fr; column-gap: 12px; }
  .en-theme-points { grid-template-columns: 1fr; }
}

@media (max-width: 600px) {
  .en-hero { padding: clamp(96px, 14vh, 140px) clamp(20px, 5vw, 28px) clamp(48px, 6vh, 72px); }
  .en-hero-h1 { font-size: var(--mkt-h2); max-width: none; }
  .en-hero-sub { font-size: 14px; }
  .en-hero-proof { grid-template-columns: 1fr; border-left: none; }
  .en-hero-proof-tile:nth-child(even) { border-left: none; }
  .en-themes, .en-caps, .en-flow { padding: clamp(64px, 10vh, 100px) clamp(20px, 5vw, 28px); }
  .en-themes-h2, .en-caps-h2, .en-flow-h2 { font-size: var(--mkt-h4); }
  .en-caps-grid { grid-template-columns: 1fr; }
  .en-cap:nth-child(even) { border-left: none; }
  .en-cap-name { font-size: 18px; }
  .en-end { padding: clamp(72px, 11vh, 110px) clamp(20px, 5vw, 28px); }
  .en-end-h2 { font-size: var(--mkt-h3); }
}

/* ══════════════════════════════════════════════════════════
   BU light overrides.  Body bg recess + non-saturated-band
   rgba-white chromes flipped to warm-dark alphas.
   --font-display auto-flips to Mq12 via DS-level override.
═══════════════════════════════════════════════════════════ */
html:not(.dark) body {
  background: var(--zen-gray-3);
  color: var(--text-primary);
}
html:not(.dark) .en-flow-beat-week { background: rgba(29, 22, 18, 0.04); }