/* =========================================================
   NASDAN — UI/UX Design page
   Dominant visual metaphor: Transformation
   (messy UI → wireframe → polished UI)
   Extends tokens.css / main.css. Section-specific styles only.
   ========================================================= */

/* =========================================================
   1. HERO — transformation strip
   ========================================================= */
.uxd-hero {
  position: relative;
  padding-block: var(--sp-9) var(--sp-8);
  background: var(--white);
  overflow: hidden;
  border-bottom: 1px solid var(--ink-100);
}
.uxd-hero-texture {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background-image: radial-gradient(rgba(11,22,63,0.06) 1px, transparent 1px);
  background-size: 24px 24px;
  -webkit-mask-image: radial-gradient(circle at 85% 20%, rgba(0,0,0,0.9) 0%, transparent 55%);
  mask-image: radial-gradient(circle at 85% 20%, rgba(0,0,0,0.9) 0%, transparent 55%);
}
.uxd-hero-grid { display: grid; grid-template-columns: 0.92fr 1.08fr; gap: var(--sp-7); align-items: center; }
.uxd-hero-inner { position: relative; z-index: 1; text-align: left; }
.uxd-hero-eyebrow { display: inline-flex; align-items: center; gap: var(--sp-2); margin-bottom: var(--sp-3); }
.uxd-hero-headline {
  font-size: var(--fs-h1); font-weight: var(--fw-light); letter-spacing: var(--ls-tight);
  line-height: var(--lh-tight); color: var(--ink-900); margin-bottom: var(--sp-4); max-width: 14ch;
}
.uxd-hero-lead { font-size: var(--fs-body); max-width: 46ch; margin-bottom: var(--sp-6); color: var(--ink-500); }
.uxd-hero-actions { display: flex; gap: var(--sp-3); flex-wrap: wrap; }

/* --- transformation strip --- */
.uxd-transform { position: relative; z-index: 1; display: flex; align-items: center; gap: 9px; overflow-x: auto; padding-bottom: var(--sp-2); }
.uxd-transform-stage {
  flex: none; width: 165px; height: 180px; border-radius: var(--radius-lg); padding: var(--sp-3);
  position: relative; display: flex; flex-direction: column; gap: 8px;
}
.uxd-transform-arrow { flex: none; width: 20px; color: var(--ink-400); }
.uxd-transform-arrow svg { width: 100%; height: auto; }
.uxd-transform-label {
  position: absolute; top: 10px; right: 12px; font-size: 0.6875rem; font-weight: var(--fw-semibold);
  letter-spacing: var(--ls-wide); text-transform: uppercase; color: var(--ink-500);
  background: rgba(255,255,255,0.85); border-radius: 999px; padding: 0.25rem 0.7rem;
}
.uxd-transform-label--amber { color: var(--nasdan-navy); background: var(--nasdan-amber); }

.uxd-transform-messy {
  background: var(--cloud); border: 1px solid var(--ink-200);
}
.uxd-messy-el { position: absolute; border-radius: 4px; background: var(--ink-200); border: 1px solid var(--ink-400); }
.uxd-m1 { width: 90px; height: 22px; top: 14px; left: 16px; transform: rotate(-3deg); }
.uxd-m2 { width: 60px; height: 60px; top: 46px; left: 130px; transform: rotate(4deg); background: var(--ink-100); }
.uxd-m3 { width: 70px; height: 16px; top: 60px; left: 18px; transform: rotate(2deg); }
.uxd-m4 { width: 50px; height: 40px; top: 90px; left: 92px; transform: rotate(-6deg); }
.uxd-m5 { width: 80px; height: 14px; top: 120px; left: 20px; transform: rotate(-2deg); }
.uxd-m6 { width: 40px; height: 40px; top: 20px; left: 30px; transform: rotate(9deg); background: transparent; border-color: var(--ink-400); }

.uxd-transform-wire {
  background: var(--white); border: 1px dashed var(--ink-400);
}
.uxd-wire-block { border-radius: 4px; border: 1px dashed var(--ink-400); background: transparent; }
.uxd-w1 { height: 20px; width: 70%; }
.uxd-w2 { height: 50px; width: 100%; }
.uxd-wire-row { display: flex; gap: 8px; }
.uxd-wire-row span { flex: 1; height: 34px; border-radius: 4px; border: 1px dashed var(--ink-400); }
.uxd-w3 { height: 18px; width: 40%; }

.uxd-transform-final {
  background: var(--nasdan-navy); box-shadow: 0 20px 40px -20px rgba(11,22,63,0.4);
}
.uxd-final-nav { display: flex; gap: 6px; }
.uxd-final-nav span { width: 8px; height: 8px; border-radius: 50%; background: rgba(255,255,255,0.25); }
.uxd-final-hero { height: 60px; border-radius: 8px; background: linear-gradient(135deg, rgba(255,193,7,0.35) 0%, rgba(255,193,7,0.08) 100%); border: 1px solid rgba(255,193,7,0.3); }
.uxd-final-row { display: flex; gap: 8px; }
.uxd-final-row span { flex: 1; height: 26px; border-radius: 6px; background: rgba(255,255,255,0.1); }
.uxd-final-btn { width: 60%; height: 24px; border-radius: 6px; background: var(--nasdan-amber); margin-top: auto; }

/* =========================================================
   2. WHERE UX BREAKS
   ========================================================= */
.uxd-breaks { padding-block: var(--section-pad-y); background: var(--cloud); }
.uxd-breaks-row { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--sp-6); margin-top: var(--sp-7); }
.uxd-breaks-item { border-top: 2px solid var(--nasdan-navy); padding-top: var(--sp-4); }
.uxd-breaks-item strong { display: block; font-size: 1.75rem; font-weight: var(--fw-light); color: var(--nasdan-navy); letter-spacing: var(--ls-tight); margin-bottom: 0.5rem; }
.uxd-breaks-item p { font-size: 0.9375rem; color: var(--ink-500); line-height: var(--lh-relaxed); }

/* =========================================================
   3. FULL-SERVICE UI/UX — editorial indexed list
   ========================================================= */
.uxd-process { padding-block: var(--section-pad-y); }
.uxd-service-list {
  display: grid; grid-template-columns: 1fr 1fr; grid-template-rows: repeat(3, auto); grid-auto-flow: column;
  column-gap: var(--sp-9); margin-top: var(--sp-7); border-top: 1px solid var(--ink-200);
}
.uxd-service-row {
  display: grid; grid-template-columns: 64px 1fr; column-gap: var(--sp-5);
  padding-block: var(--sp-6); border-bottom: 1px solid var(--ink-200);
}
.uxd-service-index {
  grid-row: 1 / 3; font-size: 1.375rem; font-weight: var(--fw-light); letter-spacing: var(--ls-tight);
  color: var(--ink-400); font-variant-numeric: tabular-nums;
  transition: color var(--dur-base) var(--ease-out);
}
.uxd-service-row h3 {
  grid-column: 2; font-size: 1.0625rem; font-weight: var(--fw-medium); color: var(--ink-900);
  margin-bottom: 0.5rem; transition: transform var(--dur-base) var(--ease-out), color var(--dur-base) var(--ease-out);
}
.uxd-service-row p { grid-column: 2; font-size: 0.875rem; color: var(--ink-500); line-height: var(--lh-relaxed); }
.uxd-service-row:hover .uxd-service-index { color: var(--nasdan-amber); }
.uxd-service-row:hover h3 { color: var(--nasdan-navy); transform: translateX(6px); }

/* =========================================================
   4. DESIGN SYSTEM — navy section, token swatches
   ========================================================= */
.uxd-system { padding-block: var(--section-pad-y); background: var(--nasdan-navy); }
.uxd-system-grid { display: grid; grid-template-columns: 1fr 1fr; gap: var(--sp-8); align-items: center; }
.uxd-system-list { display: flex; flex-direction: column; gap: 0.7rem; margin-top: var(--sp-5); list-style: none; padding: 0; }
.uxd-system-list li { position: relative; padding-left: 1.4rem; font-size: 0.9375rem; color: var(--paper-300); }
.uxd-system-list li::before { content: ""; position: absolute; left: 0; top: 0.5em; width: 8px; height: 8px; border-radius: 2px; background: var(--nasdan-amber); }

.uxd-system-visual { display: grid; grid-template-columns: 1fr 1fr; gap: var(--sp-4); }
.uxd-token-card { background: rgba(255,255,255,0.05); border: 1px solid rgba(255,255,255,0.14); border-radius: var(--radius-md); padding: var(--sp-4); }
.uxd-token-label { display: block; font-size: 0.6875rem; font-weight: var(--fw-semibold); letter-spacing: var(--ls-wider); text-transform: uppercase; color: var(--paper-300); margin-bottom: var(--sp-3); }
.uxd-swatch-row { display: flex; gap: 8px; }
.uxd-swatch { width: 28px; height: 28px; border-radius: 6px; }
.uxd-type-scale { display: flex; align-items: flex-end; gap: 10px; color: var(--white); font-weight: var(--fw-light); }
.uxd-spacing-row { display: flex; align-items: flex-end; gap: 6px; height: 24px; }
.uxd-spacing-row span { display: block; height: 6px; border-radius: 3px; background: var(--nasdan-amber); }
.uxd-component-mock { display: flex; flex-direction: column; gap: 8px; }
.uxd-comp-btn { height: 22px; width: 70%; border-radius: 6px; background: var(--nasdan-amber); }
.uxd-comp-field { height: 22px; border-radius: 6px; background: transparent; border: 1px solid rgba(255,255,255,0.25); }

/* =========================================================
   5. TESTING & VALIDATION
   ========================================================= */
.uxd-testing { padding-block: var(--section-pad-y); }
.uxd-testing-grid { display: grid; grid-template-columns: 0.95fr 1.05fr; gap: var(--sp-8); align-items: center; }
.uxd-testing-visual { position: relative; }

.uxd-evidence-card { background: var(--white); border: 1px solid var(--ink-200); border-radius: var(--radius-lg); box-shadow: var(--shadow-lg); overflow: hidden; }
.uxd-evidence-head { display: flex; align-items: center; gap: 6px; padding: var(--sp-3) var(--sp-4); border-bottom: 1px solid var(--ink-100); background: var(--cloud); }
.uxd-evidence-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--ink-200); }
.uxd-evidence-title { margin-left: 8px; font-size: 0.75rem; color: var(--ink-500); font-weight: var(--fw-medium); }
.uxd-evidence-rec { margin-left: auto; display: flex; align-items: center; gap: 6px; font-size: 0.75rem; color: var(--ink-400); font-variant-numeric: tabular-nums; }
.uxd-evidence-rec-dot { width: 7px; height: 7px; border-radius: 50%; background: #E5484D; animation: uxdRecPulse 1.6s ease-out infinite; }
@keyframes uxdRecPulse { 0%, 100% { opacity: 1; } 50% { opacity: 0.35; } }

.uxd-evidence-metrics { display: flex; padding: var(--sp-4) var(--sp-4) 0; gap: var(--sp-5); }
.uxd-evidence-metrics div { display: flex; flex-direction: column; gap: 2px; padding-left: var(--sp-4); border-left: 1px solid var(--ink-200); }
.uxd-evidence-metrics div:first-child { padding-left: 0; border-left: none; }
.uxd-evidence-metrics strong { font-size: 1.1875rem; font-weight: var(--fw-light); color: var(--nasdan-navy); letter-spacing: var(--ls-tight); }
.uxd-evidence-metrics span { font-size: 0.6875rem; color: var(--ink-500); letter-spacing: var(--ls-wide); text-transform: uppercase; }

.uxd-evidence-screen {
  position: relative; margin: var(--sp-4) var(--sp-4) 0; height: 176px; border-radius: var(--radius-sm); overflow: hidden; padding: var(--sp-4);
  display: flex; flex-direction: column; gap: var(--sp-3);
  background: linear-gradient(150deg, var(--nasdan-navy) 0%, var(--nasdan-navy-700) 100%);
}
.uxd-mock-nav { display: flex; align-items: center; gap: 6px; position: relative; z-index: 1; }
.uxd-mock-nav span { width: 22px; height: 6px; border-radius: 3px; background: rgba(255,255,255,0.16); }
.uxd-mock-nav span.uxd-mock-nav-cta { margin-left: auto; width: 34px; height: 12px; border-radius: 4px; background: var(--nasdan-amber); }
.uxd-mock-hero { position: relative; z-index: 1; display: flex; flex-direction: column; gap: 8px; padding: var(--sp-3); border-radius: var(--radius-sm); background: rgba(255,255,255,0.06); border: 1px solid rgba(255,255,255,0.1); }
.uxd-mock-hero-line { display: block; width: 70%; height: 9px; border-radius: 3px; background: rgba(255,255,255,0.28); }
.uxd-mock-hero-line--sm { width: 45%; background: rgba(255,255,255,0.14); }
.uxd-mock-row { position: relative; z-index: 1; display: flex; gap: 8px; }
.uxd-mock-block { flex: 1; height: 34px; border-radius: var(--radius-sm); background: rgba(255,255,255,0.06); border: 1px solid rgba(255,255,255,0.1); }

/* click / attention heatmap */
.uxd-heat { position: absolute; border-radius: 50%; filter: blur(11px); pointer-events: none; }
.uxd-heat--hot { width: 74px; height: 74px; background: rgba(255,193,7,0.55); }
.uxd-heat--warm { width: 56px; height: 56px; background: rgba(255,193,7,0.28); }
.uxd-heat--cool { width: 44px; height: 44px; background: rgba(255,255,255,0.16); }

.uxd-evidence-marker {
  position: absolute; z-index: 2; width: 20px; height: 20px; border-radius: 50%; display: flex; align-items: center; justify-content: center;
  font-size: 0.6875rem; font-weight: var(--fw-semibold); color: var(--nasdan-navy);
  background: var(--nasdan-amber); box-shadow: 0 0 0 4px rgba(255,193,7,0.22);
}
.uxd-evidence-marker--warn { background: var(--white); box-shadow: 0 0 0 4px rgba(255,255,255,0.2); }

/* session timeline scrubber */
.uxd-evidence-timeline { padding: var(--sp-4) var(--sp-4) 0; }
.uxd-evidence-track { position: relative; height: 4px; border-radius: 2px; background: var(--ink-100); }
.uxd-evidence-fill { position: absolute; inset: 0; border-radius: 2px; background: linear-gradient(90deg, var(--nasdan-amber) 0%, var(--ink-200) 100%); }
.uxd-evidence-tick {
  position: absolute; top: 50%; width: 9px; height: 9px; border-radius: 50%; background: var(--nasdan-amber);
  border: 2px solid var(--white); transform: translate(-50%, -50%); box-shadow: var(--shadow-xs);
}
.uxd-evidence-tick--warn { background: var(--nasdan-navy); }
.uxd-evidence-tick--done {
  width: 16px; height: 16px; background: var(--nasdan-navy); color: var(--white); font-size: 0.5625rem;
  display: flex; align-items: center; justify-content: center;
}
.uxd-evidence-track-labels { display: flex; justify-content: space-between; margin-top: 6px; font-size: 0.6875rem; color: var(--ink-400); font-variant-numeric: tabular-nums; }

/* timestamped note log */
.uxd-evidence-notes { display: flex; flex-direction: column; padding: var(--sp-4); }
.uxd-note { position: relative; display: flex; align-items: center; gap: var(--sp-3); font-size: 0.8125rem; color: var(--ink-700); padding: 0.5rem 0; }
.uxd-note:not(:last-child)::after { content: ""; position: absolute; left: 9px; top: 27px; bottom: -3px; width: 1px; background: var(--ink-200); }
.uxd-note i {
  flex: none; width: 18px; height: 18px; border-radius: 50%; display: flex; align-items: center; justify-content: center;
  font-style: normal; font-size: 0.6875rem; font-weight: var(--fw-semibold); background: var(--ink-200); color: var(--ink-700); z-index: 1;
}
.uxd-note span { flex: 1; }
.uxd-note time { flex: none; font-size: 0.75rem; color: var(--ink-400); font-variant-numeric: tabular-nums; }
.uxd-note--pos i { background: var(--nasdan-amber); color: var(--nasdan-navy); }
.uxd-note--warn i { background: var(--nasdan-navy); color: var(--white); }


.uxd-testing-copy p { color: var(--ink-500); max-width: 50ch; margin-top: var(--sp-4); }
.uxd-testing-stats { display: flex; gap: var(--sp-6); margin-top: var(--sp-6); }
.uxd-testing-stats div { display: flex; flex-direction: column; gap: 0.3rem; }
.uxd-testing-stats strong { font-size: 1.75rem; font-weight: var(--fw-light); color: var(--nasdan-navy); }
.uxd-testing-stats span { font-size: 0.8125rem; color: var(--ink-500); max-width: 18ch; }

/* =========================================================
   5b. RELATED SERVICES
   ========================================================= */
.uxd-related { padding-block: var(--section-pad-y); background: var(--cloud); }
.uxd-related-grid { display: grid; grid-template-columns: 1fr 1fr; gap: var(--sp-5); margin-top: var(--sp-7); }
.uxd-related-card {
  position: relative; display: flex; flex-direction: column; justify-content: space-between; gap: var(--sp-5);
  background: var(--nasdan-amber); border: 1px solid rgba(11,22,63,0.14); border-radius: var(--radius-lg);
  padding: var(--sp-6); min-height: 200px; text-decoration: none;
  transition: border-color var(--dur-base) var(--ease-out), transform var(--dur-base) var(--ease-out), box-shadow var(--dur-base) var(--ease-out);
}
.uxd-related-card:hover { border-color: var(--nasdan-navy); transform: translateY(-2px); box-shadow: 0 20px 40px -20px rgba(11,22,63,0.35); }
.uxd-related-card--featured {
  grid-column: 1 / -1; flex-direction: row; align-items: center; justify-content: flex-start; gap: var(--sp-7);
  padding: var(--sp-6);
}
.uxd-related-copy h3 { font-size: 1.1875rem; font-weight: var(--fw-medium); color: var(--nasdan-navy); margin-bottom: var(--sp-2); }
.uxd-related-copy p { font-size: 0.9375rem; color: rgba(11,22,63,0.64); line-height: var(--lh-relaxed); max-width: 46ch; }
.uxd-related-card--featured .uxd-related-copy { flex: 1; padding-right: var(--sp-8); }
.uxd-related-card--featured .uxd-related-copy p { max-width: 58ch; }

.uxd-related-visual {
  flex: none; width: 220px; height: 148px; border-radius: var(--radius-md); position: relative; overflow: hidden;
  background: var(--nasdan-navy-800);
  border: 1px solid var(--nasdan-navy-600);
  background-image:
    linear-gradient(rgba(255,255,255,0.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.08) 1px, transparent 1px);
  background-size: 20px 20px;
}
.uxd-related-visual-chip { position: absolute; border-radius: 6px; background: rgba(255,255,255,0.08); border: 1px solid rgba(255,255,255,0.16); }
.uxd-related-visual-chip:nth-child(1) { width: 92px; height: 34px; top: 18px; left: 18px; }
.uxd-related-visual-chip:nth-child(2) { width: 56px; height: 56px; top: 62px; left: 18px; background: rgba(255,193,7,0.16); border-color: rgba(255,193,7,0.35); }
.uxd-related-visual-chip:nth-child(3) { width: 96px; height: 78px; top: 18px; right: -18px; left: auto; background: rgba(255,255,255,0.05); }

.uxd-related-arrow {
  flex: none; width: 40px; height: 40px; border-radius: 50%; border: 1px solid rgba(11,22,63,0.25);
  display: flex; align-items: center; justify-content: center; color: var(--nasdan-navy);
  transition: background-color var(--dur-base) var(--ease-out), border-color var(--dur-base) var(--ease-out), color var(--dur-base) var(--ease-out);
}
.uxd-related-arrow svg { width: 16px; height: 16px; }
.uxd-related-card:hover .uxd-related-arrow { background: var(--nasdan-navy); border-color: var(--nasdan-navy); color: var(--white); }
.uxd-related-card:not(.uxd-related-card--featured) .uxd-related-arrow { align-self: flex-end; }

/* =========================================================
   RESPONSIVE
   ========================================================= */
@media (max-width: 1199.98px) {
  .uxd-hero-grid { grid-template-columns: 1fr; gap: var(--sp-6); }
  .uxd-hero-inner { margin-bottom: var(--sp-7); }
  .uxd-transform { gap: var(--sp-4); }
  .uxd-transform-stage { width: 220px; height: 194px; }
  .uxd-transform-arrow { width: 22px; }

  .uxd-system-grid { grid-template-columns: 1fr; }
  .uxd-system-visual { order: -1; }
  .uxd-testing-grid { grid-template-columns: 1fr; }
  .uxd-testing-visual { order: -1; }
  .uxd-related-grid { grid-template-columns: 1fr; }
}

@media (max-width: 991.98px) {
  .uxd-breaks-row { grid-template-columns: repeat(2, 1fr); row-gap: var(--sp-6); }
}

@media (max-width: 767.98px) {
  .uxd-hero { padding-block: var(--sp-8) var(--sp-6); }
  .uxd-hero-headline { max-width: 100%; font-size: clamp(1.75rem, 1.5rem + 2.2vw, 2.25rem); }
  .uxd-hero-actions { flex-direction: column; align-items: stretch; }
  .uxd-hero-inner { margin-bottom: var(--sp-6); }

  .uxd-transform-stage { width: 200px; height: 176px; }

  .uxd-service-list { grid-template-columns: 1fr; grid-template-rows: none; grid-auto-flow: row; column-gap: 0; }
  .uxd-service-row { padding-block: var(--sp-5); }

  .uxd-system-visual { grid-template-columns: 1fr 1fr; }

  .uxd-testing-stats { flex-direction: column; gap: var(--sp-4); }

  .uxd-related-card--featured { flex-direction: column; align-items: flex-start; gap: var(--sp-5); }
  .uxd-related-card--featured .uxd-related-copy { padding-right: 0; }
  .uxd-related-visual { width: 100%; }
  .uxd-related-card--featured .uxd-related-arrow { align-self: flex-end; }
}

@media (max-width: 575.98px) {
  .uxd-breaks-row { grid-template-columns: 1fr; }
  .uxd-service-row { grid-template-columns: 44px 1fr; column-gap: var(--sp-4); }
  .uxd-service-index { font-size: 1.125rem; }
  .uxd-system-visual { grid-template-columns: 1fr; }
  .uxd-transform-stage { width: 176px; height: 160px; }

  .uxd-evidence-metrics { gap: var(--sp-3); }
  .uxd-evidence-metrics div { padding-left: var(--sp-3); }
  .uxd-evidence-metrics strong { font-size: 1rem; }
  .uxd-evidence-metrics span { font-size: 0.625rem; letter-spacing: var(--ls-normal); }
}