/* ============================================================
   services.css — Professional Services page
   LiquidPixels · March 2026
   ============================================================ */

/* ── Reveal animations ── */
.rv {
  opacity: 0; transform: translateY(20px);
  transition: opacity .6s ease, transform .6s ease;
}
.rv.v { opacity: 1; transform: none; }
.rv.d1 { transition-delay: .1s; }
.rv.d2 { transition-delay: .2s; }
.rv.d3 { transition-delay: .3s; }
.rv-bar {
  transform: scaleY(0); transform-origin: top center;
  transition: transform .7s cubic-bezier(.4,0,.2,1);
}
.rv-bar.v { transform: scaleY(1); }

/* ── Buttons ── */
.btn-primary {
  display: inline-flex; align-items: center;
  font-family: var(--f-sans); font-size: 13.5px; font-weight: 500;
  padding: 10px 20px; border-radius: var(--r-md);
  background: var(--ink-900); color: #fff; border: none;
  text-decoration: none; transition: background .2s, transform .1s; cursor: pointer;--amber:#f59e0b;}
.btn-primary:hover { background: var(--ink-700); }
.btn-secondary {
  display: inline-flex; align-items: center;
  font-family: var(--f-sans); font-size: 13.5px; font-weight: 400;
  padding: 10px 20px; border-radius: var(--r-md);
  background: transparent; color: var(--ink-900);
  border: 1px solid var(--warm-300);
  text-decoration: none; transition: background .2s, border-color .2s; cursor: pointer;
}
.btn-secondary:hover { background: var(--warm-50); border-color: var(--ink-900); }

/* ── Shared section atoms ── */
.section-tag {
  font-family: var(--f-mono); font-size: 9px; font-weight: 500;
  text-transform: uppercase; letter-spacing: 0.08em;
  color: var(--amber); display: block; margin-bottom: 12px;
}
.section-header { margin-bottom: 56px; }
.section-header h2 {
  font-family: var(--f-serif); font-weight: 400;
  font-size: clamp(28px, 3.2vw, 42px);
  line-height: 1.1; color: var(--ink-900); margin-bottom: 16px;
}
.section-header p {
  font-size: 14px; font-weight: 300; line-height: 1.6;
  color: var(--ink-600); max-width: 480px;
}

/* ══════════════════════════════════════════════════════════
   SECTION RHYTHM
   white → navy → white → warm-50 → navy → white → warm-50 → navy → warm-50 → navy
   ══════════════════════════════════════════════════════════ */

/* ── 1. Signal band — navy ── */
.ps-signal-section { background: var(--navy);--amber:#f59e0b;}
.ps-signal-band {
  display: grid;
  grid-template-columns: 1fr auto 1fr auto 1fr auto 1fr;
  align-items: stretch;
}
.ps-signal-item {
  padding: 48px 40px;
  display: flex; flex-direction: column; gap: 12px;
}
.ps-signal-num {
  font-family: var(--f-serif); font-weight: 400;
  font-size: clamp(26px, 2.8vw, 38px);
  line-height: 1; letter-spacing: -.03em;
  color: var(--white); display: block;
}
.ps-signal-label {
  font-size: 12px; font-weight: 300; line-height: 1.55;
  color: rgba(255,255,255,.5);
  /* Lock all four to same rendered height */
  display: block;
  min-height: 4em;
}
.ps-signal-div {
  width: 1px; background: rgba(255,255,255,.1); align-self: stretch;
}

/* ── 2. Philosophy — white, reduced padding (short content) ── */
.ps-philosophy-section {
  padding: 72px 0;
  background: var(--white);
  border-bottom: 1px solid var(--warm-200);
}
.ps-philosophy-inner {
  display: grid;
  grid-template-columns: 4px 1fr;
  gap: 0 48px;
  align-items: start;
  max-width: 760px;
}
.ps-philosophy-bar {
  width: 4px; background: var(--amber); border-radius: 2px; min-height: 100%;
}
.ps-philosophy-text .section-tag { margin-bottom: 20px; }
.ps-philosophy-lead {
  font-family: var(--f-serif); font-weight: 400;
  font-size: clamp(24px, 2.8vw, 36px);
  line-height: 1.2; color: var(--ink-900); margin-bottom: 24px;
}
.ps-philosophy-text p:not(.ps-philosophy-lead) {
  font-size: 15px; font-weight: 300; line-height: 1.75; color: var(--ink-600);
}

/* ── 3. Tools — warm-50 ── */
.ps-tools-section {
  padding: 104px 0;
  background: var(--warm-50);
}
.ps-tools-grid {
  display: grid;
  grid-template-columns: 1fr 440px;
  gap: 80px;
  align-items: start;
}
.ps-tools-text .section-tag { margin-bottom: 16px; }
.ps-tools-text h2 {
  font-family: var(--f-serif); font-weight: 400;
  font-size: clamp(26px, 3vw, 40px);
  line-height: 1.1; color: var(--ink-900);
  margin-bottom: 24px; max-width: 520px;
}
.ps-tools-text p {
  font-size: 14px; font-weight: 300; line-height: 1.75;
  color: var(--ink-600); margin-bottom: 18px; max-width: 520px;
}
.ps-tools-list {
  margin-top: 40px;
  border-top: 1px solid var(--warm-200);
}
.ps-tools-item {
  padding: 20px 0;
  border-bottom: 1px solid var(--warm-200);
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 32px;
  align-items: baseline;
}
.ps-tools-item-label {
  font-size: 13px; font-weight: 500; color: var(--ink-900); line-height: 1.4;
}
.ps-tools-item-desc {
  font-size: 13px; font-weight: 300; line-height: 1.65; color: var(--ink-600);
}
.ps-tools-visual { position: sticky; top: 80px; }
.ps-tools-img-frame {
  border-radius: var(--r-xl);
  overflow: hidden;
  border: 1px solid var(--warm-200);
  background: var(--warm-50);
  padding: 28px;
  box-shadow: var(--shadow-md);
  margin-bottom: 12px;
}
.ps-tools-img-frame img {
  width: 100%; height: auto; display: block;
}
.ps-tools-img-caption {
  font-size: 11px; font-weight: 300; line-height: 1.6;
  color: var(--ink-400); font-family: var(--f-sans); font-style: italic;
}

/* Variant crossfade reel */
.ps-variant-reel {
  position: relative;
  width: 100%;
  aspect-ratio: 1 / 1;
  border-radius: var(--r-xl);
  overflow: hidden;
  margin-top: 12px;
  background: var(--warm-50);
  border: 1px solid var(--warm-200);
}
.ps-reel-frame {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  object-fit: cover;
  opacity: 0;
  transition: opacity .7s ease-in-out;
}
.ps-reel-frame.active { opacity: 1; }

/* ── 4. Domain expertise — navy (elevated, differentiator) ── */
.ps-expertise-section {
  padding: 104px 0;
  background: var(--navy);--amber:#f59e0b;}
.ps-expertise-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 72px; align-items: start;
}
.ps-expertise-text .section-tag { color: var(--amber); margin-bottom: 16px; }
.ps-expertise-text h2 {
  font-family: var(--f-serif); font-weight: 400;
  font-size: clamp(26px, 3vw, 40px);
  line-height: 1.1; color: var(--white); margin-bottom: 24px;
}
.ps-expertise-text p {
  font-size: 14px; font-weight: 300; line-height: 1.75;
  color: rgba(255,255,255,.65); margin-bottom: 18px;
}
/* Domain cards on navy — light surface */
.ps-expertise-domains { display: flex; flex-direction: column; gap: 14px; }
.ps-domain-card {
  padding: 28px 32px;
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.1);
  border-radius: var(--r-lg);
  transition: background .2s, border-color .2s;
}
.ps-domain-card:hover {
  background: rgba(255,255,255,.1);
  border-color: rgba(255,255,255,.18);
}
.ps-domain-tag {
  font-family: var(--f-mono); font-size: 9px; font-weight: 500;
  text-transform: uppercase; letter-spacing: 0.08em;
  color: var(--amber); display: block; margin-bottom: 8px;
}
.ps-domain-card h4 {
  font-family: var(--f-serif); font-size: 17px; line-height: 1.25; font-weight: 400;
  color: var(--white); margin-bottom: 8px;
}
.ps-domain-card p {
  font-size: 13px; font-weight: 300; line-height: 1.65;
  color: rgba(255,255,255,.55);
}


/* ── Production output ── */
.ps-output-section {
  padding: 104px 0;
  background: var(--warm-50);
  border-top: 1px solid var(--warm-200);
}

/* Full-width intro block */
.ps-output-intro {
  max-width: 900px;
  margin-bottom: 72px;
}
.ps-output-intro .section-tag { margin-bottom: 16px; }
.ps-output-intro h2 {
  font-family: var(--f-serif); font-weight: 400;
  font-size: clamp(28px, 3.2vw, 44px);
  line-height: 1.1; color: var(--ink-900);
  margin-bottom: 24px;
}
.ps-output-intro-lead {
  font-size: 16px; font-weight: 300; line-height: 1.75;
  color: var(--ink-700); margin-bottom: 20px;
}
.ps-output-intro p:not(.ps-output-intro-lead) {
  font-size: 14px; font-weight: 300; line-height: 1.8;
  color: var(--ink-600); margin-bottom: 16px; max-width: 820px;
}

/* Two-column grid */
.ps-output-grid {
  display: grid;
  grid-template-columns: 1fr 360px;
  gap: 56px;
  align-items: start;
}

/* Left: numbered cards */
.ps-output-cards {
  display: flex; flex-direction: column; gap: 2px;
  border: 1px solid var(--warm-200);
  border-radius: var(--r-xl);
  overflow: hidden;
}
.ps-output-card {
  display: grid;
  grid-template-columns: 48px 1fr;
  gap: 0;
  background: var(--white);
  border-bottom: 1px solid var(--warm-200);
  transition: background .2s;
}
.ps-output-card:last-child { border-bottom: none; }
.ps-output-card:hover { background: var(--warm-50); }
.ps-output-card-num {
  font-family: var(--f-mono); font-size: 9px; font-weight: 500;
  text-transform: uppercase; letter-spacing: 0.08em;
  color: var(--amber);
  padding: 28px 0 28px 24px;
  display: flex; align-items: flex-start;
  padding-top: 30px;
}
.ps-output-card-body {
  padding: 28px 32px 28px 16px;
  border-left: 1px solid var(--warm-100);
}
.ps-output-card-body h4 {
  font-family: var(--f-serif); font-size: 17px; line-height: 1.25; font-weight: 400;
  color: var(--ink-900); margin-bottom: 8px;
}
.ps-output-card-body p {
  font-size: 13px; font-weight: 300; line-height: 1.65; color: var(--ink-500);
}

/* Right: production type examples — sticky */
.ps-output-examples {
  position: sticky; top: 80px;
  background: var(--navy);
  border-radius: var(--r-xl);
  overflow: hidden;--amber:#f59e0b;}
.ps-output-example-header {
  padding: 28px 32px 24px;
  border-bottom: 1px solid rgba(255,255,255,.08);
}
.ps-output-example-header .section-tag { color: var(--amber); }
.ps-output-example-header p {
  font-size: 12px; font-weight: 300; line-height: 1.6;
  color: rgba(255,255,255,.5); margin-top: 8px;
}
.ps-output-example {
  padding: 20px 32px;
  border-bottom: 1px solid rgba(255,255,255,.07);
}
.ps-output-example:last-child { border-bottom: none; }
.ps-output-example-label {
  font-family: var(--f-mono); font-size: 9px; font-weight: 500;
  text-transform: uppercase; letter-spacing: 0.08em;
  color: var(--amber); display: block; margin-bottom: 7px;
}
.ps-output-example p {
  font-size: 12.5px; font-weight: 300; line-height: 1.65;
  color: rgba(255,255,255,.6);
}

/* HC overrides */
body.hc .ps-output-examples { background: #00102a;--amber:#f59e0b;}
body.hc .ps-output-example p { color: rgba(255,255,255,.8); }
body.hc .ps-output-example-header p { color: rgba(255,255,255,.75); }

/* ── 5. Timeline — white ── */
.ps-timeline-section {
  padding: 104px 0; background: var(--white);
}
.ps-timeline { display: block; }
.ps-accordion { display: none; }

.ps-tl-track {
  position: relative;
  display: flex; align-items: center; justify-content: space-between;
}
.ps-tl-line {
  position: absolute; top: 20px; left: 20px; right: 20px;
  height: 1px; background: var(--warm-200); z-index: 0;
}

/* Pulse keyframes */
@keyframes nodePulse {
  0%, 100% { transform: scale(1); box-shadow: 0 0 0 0 rgba(180,83,9,0); }
  50%       { transform: scale(1.10); box-shadow: 0 0 0 5px rgba(180,83,9,.12); }
}
@keyframes nodeRipple {
  from { transform: scale(1); opacity: .5; }
  to   { transform: scale(2.2); opacity: 0; }
}

.ps-tl-node {
  position: relative; z-index: 1;
  width: 40px; height: 40px; border-radius: 50%;
  background: var(--white); border: 2px solid var(--warm-200);
  display: flex; align-items: center; justify-content: center;
  cursor: pointer; transition: border-color .2s, background .2s, transform .15s;
  flex-shrink: 0;
  animation: nodePulse 2.6s ease-in-out infinite;
}
.ps-tl-node[data-step="0"] { animation-delay: 0s; }
.ps-tl-node[data-step="1"] { animation-delay: .35s; }
.ps-tl-node[data-step="2"] { animation-delay: .7s; }
.ps-tl-node[data-step="3"] { animation-delay: 1.05s; }
.ps-tl-node[data-step="4"] { animation-delay: 1.4s; }
.ps-tl-node[data-step="5"] { animation-delay: 1.75s; }
.ps-tl-node[data-step="6"] { animation-delay: 2.1s; }
.ps-tl-node::after {
  content: ''; position: absolute; inset: -2px; border-radius: 50%;
  border: 2px solid var(--amber); opacity: 0; pointer-events: none;
}
.ps-tl-node:hover::after { animation: nodeRipple .5s ease-out forwards; }
.ps-tl-node:hover { border-color: var(--amber); animation: none; }
.ps-tl-node.active { background: var(--ink-900); border-color: var(--ink-900); animation: none;--amber:#f59e0b;}
.ps-tl-node-num {
  font-family: var(--f-mono); font-size: 9px; font-weight: 500;
  color: var(--ink-400); letter-spacing: 0.04em; line-height: 1;
}
.ps-tl-node.active .ps-tl-node-num { color: var(--white); }
.ps-tl-node:hover:not(.active) .ps-tl-node-num { color: var(--amber); }

/* Labels — number only to avoid overflow */
.ps-tl-labels {
  display: flex; justify-content: space-between;
  margin-top: 10px; margin-bottom: 36px;
}
.ps-tl-label {
  font-family: var(--f-mono); font-size: 9px; font-weight: 500;
  text-transform: uppercase; letter-spacing: 0.06em;
  color: var(--ink-400); text-align: center;
  width: 40px; flex-shrink: 0;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
  transition: color .2s;
}
.ps-tl-label.active { color: var(--ink-900); font-weight: 600; }

.ps-tl-panels { position: relative; }
.ps-tl-panel { display: none; animation: panelIn .35s ease forwards; }
.ps-tl-panel.active { display: block; }
@keyframes panelIn {
  from { opacity: 0; transform: translateY(10px); }
  to   { opacity: 1; transform: none; }
}
.ps-tl-panel-inner {
  display: grid; grid-template-columns: 1fr 260px; gap: 48px;
  padding: 44px 48px;
  background: var(--warm-50);
  border: 1px solid var(--warm-200);
  border-radius: var(--r-xl);
}
.ps-tl-panel-eyebrow {
  font-family: var(--f-mono); font-size: 9px; font-weight: 500;
  text-transform: uppercase; letter-spacing: 0.08em;
  color: var(--amber); display: block; margin-bottom: 10px;
}
.ps-tl-panel-text h3 {
  font-family: var(--f-serif); font-size: clamp(22px, 2.4vw, 30px); font-weight: 400;
  line-height: 1.15; color: var(--ink-900); margin-bottom: 14px;
}
.ps-tl-panel-lead {
  font-size: 14px; font-weight: 500; line-height: 1.55;
  color: var(--ink-800); margin-bottom: 10px;
}
.ps-tl-panel-text p:not(.ps-tl-panel-lead) {
  font-size: 13.5px; font-weight: 300; line-height: 1.7; color: var(--ink-600);
}
.ps-tl-panel-meta {
  display: flex; flex-direction: column; gap: 8px;
  padding-top: 4px;
  border-left: 1px solid var(--warm-200);
  padding-left: 36px;
  justify-content: center;
}
.ps-tl-meta-item {
  font-family: var(--f-mono); font-size: 10px; font-weight: 500;
  text-transform: uppercase; letter-spacing: 0.06em; color: var(--ink-500);
  padding: 8px 12px; background: var(--white);
  border: 1px solid var(--warm-200); border-radius: var(--r-sm);
}

/* Mobile accordion */
.ps-acc-item { border-bottom: 1px solid var(--warm-200); }
.ps-acc-item:first-child { border-top: 1px solid var(--warm-200); }
.ps-acc-trigger {
  width: 100%; display: flex; align-items: center; justify-content: space-between;
  padding: 18px 0; background: none; border: none; cursor: pointer; text-align: left;
  font-family: var(--f-sans); font-size: 15px; font-weight: 500;
  color: var(--ink-900); gap: 16px;
}
.ps-acc-num {
  font-family: var(--f-mono); font-size: 9px; font-weight: 500;
  color: var(--amber); margin-right: 10px; letter-spacing: 0.06em;
}
.ps-acc-arrow {
  width: 14px; height: 14px; flex-shrink: 0;
  stroke: var(--ink-400); transition: transform .2s;
}
.ps-acc-trigger.open .ps-acc-arrow { transform: rotate(180deg); }
.ps-acc-body { display: none; padding: 0 0 24px; }
.ps-acc-body.open { display: block; }
.ps-acc-body .ps-tl-panel-lead {
  font-size: 14px; font-weight: 500; color: var(--ink-800);
  margin-bottom: 10px; line-height: 1.55;
}
.ps-acc-body p {
  font-size: 13.5px; font-weight: 300; line-height: 1.7; color: var(--ink-600);
}

/* ── 6. Engagement models — warm-50 ── */
.ps-models-section {
  padding: 104px 0; background: var(--warm-50);
  border-top: 1px solid var(--warm-200);
}
.ps-models-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 2px;
}
.ps-model-card {
  padding: 44px 40px; background: var(--white);
  border: 1px solid var(--warm-200);
  display: flex; flex-direction: column; gap: 14px;
  /* Anchor short cards at the bottom with a visual rule */
}
.ps-model-card:first-child { border-radius: var(--r-xl) 0 0 0; }
.ps-model-card:nth-child(2) { border-radius: 0 var(--r-xl) 0 0; }
.ps-model-card:nth-child(3) { border-radius: 0 0 0 var(--r-xl); }
.ps-model-card:last-child { border-radius: 0 0 var(--r-xl) 0; }
.ps-model-num {
  font-family: var(--f-mono); font-size: 9px; font-weight: 500;
  text-transform: uppercase; letter-spacing: 0.08em; color: var(--amber);
}
.ps-model-card h3 {
  font-family: var(--f-serif); font-size: 20px; line-height: 1.2; color: var(--ink-900); font-weight: 400;
}
.ps-model-card p {
  font-size: 13.5px; font-weight: 300; line-height: 1.7; color: var(--ink-600); flex: 1;
}


/* ── 7. Case study — white with contained navy panel ── */
.ps-case-section {
  padding: 104px 0; background: var(--white);
  border-top: 1px solid var(--warm-200);
}
.ps-case-inner {
  display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: start;
}
/* Left: text on white */
.ps-case-text .section-tag { color: var(--amber); }
.ps-case-text h2 {
  font-family: var(--f-serif); font-weight: 400;
  font-size: clamp(32px, 3.5vw, 48px);
  line-height: 1.05; color: var(--ink-900); margin: 10px 0 4px;
}
.ps-case-context {
  font-family: var(--f-mono); font-size: 11px; font-weight: 400;
  color: var(--ink-400); margin-bottom: 28px; display: block;
}
.ps-case-text > p {
  font-size: 14px; font-weight: 300; line-height: 1.8;
  color: var(--ink-600); margin-bottom: 16px;
}
.ps-case-quote {
  border-left: 3px solid var(--amber);
  padding-left: 24px; margin: 32px 0 0;
}
.ps-case-quote p {
  font-family: var(--f-serif); font-weight: 400;
  font-size: clamp(17px, 1.8vw, 22px);
  line-height: 1.45; color: var(--ink-900);
  margin-bottom: 12px; font-style: italic;
}
.ps-case-quote cite {
  font-family: var(--f-mono); font-size: 10px; font-weight: 400;
  color: var(--ink-400); font-style: normal;
  text-transform: uppercase; letter-spacing: 0.06em;
}
/* Right: navy contained panel */
.ps-case-detail {
  background: var(--navy);
  border-radius: var(--r-xl);
  overflow: hidden;
  display: flex; flex-direction: column; gap: 1px;--amber:#f59e0b;}
.ps-case-fact {
  padding: 28px 32px;
  background: var(--navy-mid);
  display: flex; flex-direction: column; gap: 10px;--amber:#f59e0b;}
.ps-case-fact:first-child { background: var(--navy);--amber:#f59e0b;}
.ps-case-fact-label {
  font-family: var(--f-mono); font-size: 9px; font-weight: 500;
  text-transform: uppercase; letter-spacing: 0.08em; color: var(--amber);
}
.ps-case-fact-value {
  font-size: 13.5px; font-weight: 300; line-height: 1.65;
  color: rgba(255,255,255,.75);
}

/* ── 8. Related — warm-50, with section header ── */
.ps-related-section {
  padding: 80px 0; background: var(--warm-50);
  border-top: 1px solid var(--warm-200);
}
.ps-related-header {
  margin-bottom: 40px;
}
.ps-related-header h2 {
  font-family: var(--f-serif); font-weight: 400;
  font-size: clamp(22px, 2.4vw, 32px);
  line-height: 1.15; color: var(--ink-900); margin-top: 8px;
}
.ps-related-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 24px;
}
.ps-related-card {
  padding: 40px 44px; border: 1px solid var(--warm-200);
  border-radius: var(--r-xl); background: var(--white);
  display: flex; flex-direction: column; gap: 14px;
}
.ps-related-tag {
  font-family: var(--f-mono); font-size: 9px; font-weight: 500;
  text-transform: uppercase; letter-spacing: 0.08em; color: var(--amber);
}
.ps-related-card h3 {
  font-family: var(--f-serif); font-size: 22px; line-height: 1.15; color: var(--ink-900); font-weight: 400;
}
.ps-related-card p {
  font-size: 13.5px; font-weight: 300; line-height: 1.65; color: var(--ink-600); flex: 1;
}

/* ── 9. CTA — navy ── */
.ps-cta-section {
  background: var(--navy); padding: 104px 52px;
  text-align: center; position: relative; overflow: hidden;--amber:#f59e0b;}
.ps-cta-section::before {
  content: ''; position: absolute;
  width: 600px; height: 600px; border-radius: 50%;
  background: radial-gradient(circle, rgba(30,74,128,.3), transparent 65%);
  top: 50%; left: 50%; transform: translate(-50%,-50%); pointer-events: none;
}
.ps-cta-section::after {
  content: ''; position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,1) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,1) 1px, transparent 1px);
  background-size: 40px 40px;
  opacity: .07;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 0%, black 20%, transparent 70%);
  pointer-events: none;
}
.ps-cta-inner { position: relative; z-index: 2; }
.ps-cta-section .section-tag { color: var(--amber); margin-bottom: 18px; }
.ps-cta-inner h2 {
  font-family: var(--f-serif); font-weight: 400;
  font-size: clamp(30px, 4vw, 52px);
  color: #fff; letter-spacing: -.025em; line-height: 1.05; margin-bottom: 14px;
}
.ps-cta-inner p {
  font-size: 16px; font-weight: 300; color: rgba(255,255,255,.92);
  max-width: 380px; margin: 0 auto 32px; line-height: 1.55;
}
.ps-cta-btns { display: flex; gap: 10px; justify-content: center; flex-wrap: wrap; }
.ps-cta-section .btn-white {
  font-size: 13.5px; font-weight: 500; letter-spacing: -.01em;
  padding: 12px 28px; border-radius: var(--r-sm);
  background: #fff; color: var(--navy); border: none;
  box-shadow: 0 2px 8px rgba(0,0,0,.12);
  text-decoration: none; display: inline-flex; align-items: center;
  transition: opacity .18s, transform .1s;
}
.ps-cta-section .btn-white:hover { opacity: .93; }
.ps-cta-section .btn-white:active { transform: scale(.98); }

/* ── High contrast ── */
body.hc .ps-signal-section { background: #00102a;--amber:#f59e0b;}
body.hc .ps-signal-num { color: #ffffff; }
body.hc .ps-signal-label { color: rgba(255,255,255,.75); }
body.hc .ps-expertise-section { background: #00102a;--amber:#f59e0b;}
body.hc .ps-expertise-text h2 { color: #ffffff; }
body.hc .ps-expertise-text p { color: rgba(255,255,255,.8); }
body.hc .ps-domain-card { background: rgba(255,255,255,.1); border-color: rgba(255,255,255,.18); }
body.hc .ps-domain-card h4 { color: #ffffff; }
body.hc .ps-domain-card p { color: rgba(255,255,255,.75); }
body.hc .ps-case-detail { background: #00102a;--amber:#f59e0b;}
body.hc .ps-case-fact { background: #001535; }
body.hc .ps-case-fact-value { color: rgba(255,255,255,.85); }
body.hc .ps-cta-section { background: #00102a;--amber:#f59e0b;}
body.hc .ps-cta-inner h2 { color: #ffffff; }
body.hc .ps-cta-inner p { color: rgba(255,255,255,.8); }

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  .ps-tl-node { animation: none; }
  .ps-tl-node:hover::after { animation: none; }
}

/* ══════════════════════════════════════════════════════════
   RESPONSIVE
   ══════════════════════════════════════════════════════════ */

@media (max-width: 1100px) {
  .ps-tools-grid { grid-template-columns: 1fr 380px; gap: 56px; }
  .ps-expertise-grid { gap: 48px; }
  .ps-case-inner { gap: 48px; }
}

@media (max-width: 1024px) {
  .ps-tools-section,
  .ps-expertise-section,
  .ps-timeline-section,
  .ps-models-section,
  .ps-case-section { padding-top: 80px; padding-bottom: 80px; }

  /* Signal: 2×2 */
  .ps-signal-band { grid-template-columns: 1fr 1fr; }
  .ps-signal-div { display: none; }
  .ps-signal-item { padding: 36px 32px; }
  .ps-signal-item:nth-child(odd) { border-right: 1px solid rgba(255,255,255,.1); }
  .ps-signal-item:nth-child(1),
  .ps-signal-item:nth-child(2) { border-bottom: 1px solid rgba(255,255,255,.1); }
  .ps-signal-label { min-height: auto; }

  /* Tools: stack */
  .ps-tools-grid { grid-template-columns: 1fr; gap: 48px; }
  .ps-tools-visual { position: static; }
  .ps-tools-img-frame { max-width: 560px; }
  .ps-variant-reel { max-width: 560px; }

  /* Output section */
  .ps-output-grid { grid-template-columns: 1fr; gap: 48px; }
  .ps-output-examples { position: static; }

  /* Expertise: stack */
  .ps-expertise-grid { grid-template-columns: 1fr; gap: 48px; }

  /* Timeline panel: stack */
  .ps-tl-panel-inner { grid-template-columns: 1fr; gap: 28px; }
  .ps-tl-panel-meta {
    border-left: none; border-top: 1px solid rgba(255,255,255,.1);
    padding-left: 0; padding-top: 20px;
    flex-direction: row; flex-wrap: wrap; gap: 8px;
  }

  /* Models: 2-col stays but reduce padding */
  .ps-model-card { padding: 36px 32px; }

  /* Case: stack */
  .ps-case-inner { grid-template-columns: 1fr; gap: 40px; }

  /* Related */
  .ps-related-grid { grid-template-columns: 1fr 1fr; }
}


@media (max-width: 768px) {
  .ps-philosophy-section { padding: 56px 0; }
  .ps-tools-section,
  .ps-output-section,
  .ps-expertise-section,
  .ps-timeline-section,
  .ps-models-section,
  .ps-case-section,
  .ps-related-section { padding-top: 64px; padding-bottom: 64px; }

  .section-header { margin-bottom: 40px; }

  /* Signal: 1-col */
  .ps-signal-band { grid-template-columns: 1fr; }
  .ps-signal-item { padding: 28px 20px; border-right: none !important; border-bottom: 1px solid rgba(255,255,255,.1) !important; }
  .ps-signal-item:last-child { border-bottom: none !important; }

  /* Philosophy */
  .ps-philosophy-inner { grid-template-columns: 3px 1fr; gap: 0 20px; }

  /* Tools list item: stack */
  .ps-tools-item { grid-template-columns: 1fr; gap: 6px; }

  /* Output cards: hide number col, full width body */
  .ps-output-card { grid-template-columns: 1fr; }
  .ps-output-card-num { padding: 20px 20px 0; }
  .ps-output-card-body { padding: 8px 20px 20px; border-left: none; border-top: none; }
  .ps-output-intro { margin-bottom: 48px; }
  .ps-tools-img-frame { max-width: 100%; padding: 20px; }
  .ps-variant-reel { max-width: 100%; }

  /* Timeline: hide, show accordion */
  .ps-timeline { display: none; }
  .ps-accordion { display: block; }

  /* Models: 1-col */
  .ps-models-grid { grid-template-columns: 1fr; }
  .ps-model-card { border-radius: 0 !important; }
  .ps-model-card:first-child { border-radius: var(--r-xl) var(--r-xl) 0 0 !important; }
  .ps-model-card:last-child { border-radius: 0 0 var(--r-xl) var(--r-xl) !important; }
  .ps-model-card { padding: 32px 24px; }

  /* Related: 1-col */
  .ps-related-grid { grid-template-columns: 1fr; }
  .ps-related-card { padding: 32px 28px; }

  /* CTA */
  .ps-cta-section { padding: 72px 20px; }
}

@media (max-width: 480px) {
  .ps-tools-section,
  .ps-output-section,
  .ps-expertise-section,
  .ps-timeline-section,
  .ps-models-section,
  .ps-case-section { padding-top: 52px; padding-bottom: 52px; }

  .ps-cta-section { padding: 56px 16px; }
  .ps-related-card { padding: 28px 20px; }
  .ps-case-fact { padding: 20px; }
}