/* ============================================================
   UbidTech — Work / case studies
   Shared by work.html, work-ubidtours.html and the homepage
   "Featured work" block. Client-brand colours are scoped to the
   product mockups only (--ut-*), never to UbidTech UI.
   ============================================================ */

:root {
  --ut-teal: #1BB899;
  --ut-teal-deep: #129A80;
  --ut-slate: #354A5E;
  --ut-mint: #F3F8F7;
}

/* ---------- Featured case study (work.html + homepage) ---------- */
.fw-card {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.15fr);
  gap: var(--space-48);
  align-items: center;
  padding: var(--space-48);
  border: 1px solid var(--color-border);
  border-radius: 28px;
  background: var(--color-canvas);
  overflow: hidden;
  isolation: isolate;
  transition: box-shadow var(--duration-base) var(--ease-standard), border-color var(--duration-base) var(--ease-standard);
}
.fw-card:hover { box-shadow: var(--h-shadow-hover); border-color: rgba(83, 58, 253, 0.22); }
.fw-card::before {
  content: '';
  position: absolute;
  width: 520px; height: 520px;
  right: -160px; bottom: -260px;
  border-radius: 50%;
  background: var(--color-brand-purple);
  opacity: 0.12;
  filter: blur(90px);
  z-index: -1;
}
.fw-meta { display: flex; flex-wrap: wrap; gap: var(--space-8); margin-bottom: var(--space-24); }
.fw-tag {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 6px 12px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-pill);
  font-size: 12px; line-height: 16px; font-weight: 500;
  color: var(--color-text-secondary);
  background: rgba(255, 255, 255, 0.8);
}
.fw-tag.is-live { color: var(--ut-teal-deep); border-color: rgba(27, 184, 153, 0.35); background: rgba(27, 184, 153, 0.06); }
.fw-tag.is-live::before { content: ''; width: 6px; height: 6px; border-radius: 50%; background: var(--ut-teal); box-shadow: 0 0 0 3px rgba(27, 184, 153, 0.2); }
.fw-client { font-size: 13px; font-weight: 600; letter-spacing: 0.08em; text-transform: uppercase; color: var(--color-text-secondary); }
.fw-title {
  margin-top: var(--space-12);
  font-size: clamp(28px, 3.2vw, 40px); line-height: 1.12; font-weight: 300; letter-spacing: -0.03em;
  color: var(--color-ink);
}
.fw-lead { margin-top: var(--space-16); font-size: var(--body-lg-size); line-height: var(--body-lg-line); color: var(--color-text-secondary); max-width: 520px; }
.fw-points { list-style: none; margin: var(--space-24) 0 0; padding: 0; display: grid; gap: var(--space-12); }
.fw-points li { display: flex; gap: var(--space-12); font-size: 15px; line-height: 22px; color: var(--color-ink); }
.fw-points li::before {
  content: ''; flex: none; margin-top: 8px;
  width: 6px; height: 6px; border-radius: 50%; background: var(--h-grad);
}
.fw-actions { display: flex; flex-wrap: wrap; align-items: center; gap: var(--space-16); margin-top: var(--space-32); }

@media (max-width: 1000px) {
  .fw-card { grid-template-columns: 1fr; padding: var(--space-32) var(--space-24); gap: var(--space-32); }
}

/* ---------- Product mockup: request → bids ---------- */
.ut-mock {
  position: relative;
  border-radius: 20px;
  background: linear-gradient(160deg, #0F2A40 0%, var(--color-ink-deep) 100%);
  padding: 18px;
  box-shadow: var(--h-shadow-xl);
  font-family: var(--font-sans);
}
.ut-mock-bar { display: flex; align-items: center; gap: 6px; padding: 0 4px 14px; }
.ut-mock-bar i { width: 9px; height: 9px; border-radius: 50%; background: rgba(255, 255, 255, 0.16); }
.ut-mock-bar span {
  margin-left: 10px; flex: 1;
  padding: 5px 12px; border-radius: var(--radius-pill);
  background: rgba(255, 255, 255, 0.06);
  font-size: 11px; color: rgba(255, 255, 255, 0.5);
}
.ut-screen {
  display: grid; grid-template-columns: 0.9fr 1.1fr; gap: 12px;
  padding: 14px; border-radius: 14px; background: var(--ut-mint);
}
.ut-panel { background: #fff; border-radius: 12px; padding: 14px; box-shadow: 0 1px 2px rgba(13, 37, 61, 0.06); min-width: 0; }
.ut-label { font-size: 10px; font-weight: 600; letter-spacing: 0.08em; text-transform: uppercase; color: #8C98AB; }
.ut-h { margin-top: 6px; font-size: 15px; line-height: 20px; font-weight: 600; color: var(--ut-slate); }
.ut-fields { list-style: none; margin: 12px 0 0; padding: 0; display: grid; gap: 7px; }
.ut-fields li { display: flex; justify-content: space-between; gap: 8px; font-size: 11.5px; color: #6B7280; }
.ut-fields b { font-weight: 600; color: var(--ut-slate); text-align: right; }
.ut-ai {
  margin-top: 12px; padding: 10px; border-radius: 10px;
  background: linear-gradient(135deg, rgba(27, 184, 153, 0.1), rgba(27, 184, 153, 0.03));
  border: 1px solid rgba(27, 184, 153, 0.25);
  font-size: 11px; line-height: 16px; color: var(--ut-slate);
}
.ut-ai strong { display: flex; align-items: center; gap: 6px; font-size: 10px; letter-spacing: 0.06em; text-transform: uppercase; color: var(--ut-teal-deep); margin-bottom: 4px; }
.ut-ai strong::before { content: ''; width: 6px; height: 6px; border-radius: 50%; background: var(--ut-teal); }
.ut-bids { list-style: none; margin: 10px 0 0; padding: 0; display: grid; gap: 8px; }
.ut-bid {
  display: grid; grid-template-columns: 28px 1fr auto; align-items: center; gap: 10px;
  padding: 9px 10px; border: 1px solid #E5E7EB; border-radius: 10px;
  transition: border-color var(--duration-base) var(--ease-standard), box-shadow var(--duration-base) var(--ease-standard);
}
.ut-bid.is-top { border-color: var(--ut-teal); box-shadow: 0 6px 16px -10px rgba(27, 184, 153, 0.8); }
.ut-avatar { width: 28px; height: 28px; border-radius: 8px; background: var(--ut-mint); display: grid; place-items: center; color: var(--ut-teal-deep); font-size: 11px; font-weight: 700; }
.ut-bid-name, .ut-bid-sub { display: block; }
.ut-bid > span:nth-child(2) { min-width: 0; }
.ut-bid-name { font-size: 12px; font-weight: 600; color: var(--ut-slate); line-height: 16px; }
.ut-bid-sub { font-size: 10.5px; color: #8C98AB; line-height: 14px; }
.ut-bid-price { font-size: 13px; font-weight: 700; color: var(--ut-slate); text-align: right; }
.ut-bid-price small { display: block; font-size: 9.5px; font-weight: 500; color: #8C98AB; }
.ut-cta { margin-top: 10px; padding: 8px; border-radius: 8px; background: var(--ut-teal); color: #fff; font-size: 11.5px; font-weight: 600; text-align: center; }
.ut-note { margin-top: 10px; text-align: center; font-size: 11px; color: rgba(255, 255, 255, 0.45); }

/* live "incoming bid" pulse */
@media (prefers-reduced-motion: no-preference) {
  .ut-bid.is-new { animation: utIn 2.4s var(--ease-standard) 0.6s both; }
  @keyframes utIn { 0% { opacity: 0; transform: translateY(6px); } 40%, 100% { opacity: 1; transform: none; } }
}

@media (max-width: 560px) {
  .ut-screen { grid-template-columns: 1fr; }
  .ut-mock { padding: 12px; }
}

/* ---------- Case study page ---------- */
.cs-hero { padding-block: var(--space-128) var(--space-64); }
.cs-hero-grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.1fr); gap: var(--space-64); align-items: center; }
.cs-back { display: inline-flex; align-items: center; gap: 6px; font-size: 14px; color: var(--color-text-secondary); margin-bottom: var(--space-24); }
.cs-back:hover { color: var(--color-primary); }
.cs-back svg { width: 16px; height: 16px; }
.cs-slogan { margin-top: var(--space-16); font-size: 15px; font-weight: 500; color: var(--ut-teal-deep); letter-spacing: 0.01em; }
@media (max-width: 1000px) { .cs-hero-grid { grid-template-columns: 1fr; gap: var(--space-48); } }

.cs-facts {
  display: grid; grid-template-columns: repeat(4, minmax(0, 1fr));
  border: 1px solid var(--color-border); border-radius: var(--h-radius);
  background: var(--color-canvas); overflow: hidden;
}
.cs-fact { padding: var(--space-24); border-right: 1px solid var(--color-border); }
.cs-fact:last-child { border-right: 0; }
.cs-fact dt { font-size: 12px; font-weight: 600; letter-spacing: 0.08em; text-transform: uppercase; color: var(--color-text-secondary); }
.cs-fact dd { margin: 8px 0 0; font-size: 15px; line-height: 22px; color: var(--color-ink); }
.cs-fact a { color: var(--color-primary); }
@media (max-width: 900px) {
  .cs-facts { grid-template-columns: 1fr 1fr; }
  .cs-fact:nth-child(2) { border-right: 0; }
  .cs-fact:nth-child(-n+2) { border-bottom: 1px solid var(--color-border); }
}
@media (max-width: 520px) {
  .cs-facts { grid-template-columns: 1fr; }
  .cs-fact { border-right: 0; border-bottom: 1px solid var(--color-border); }
  .cs-fact:last-child { border-bottom: 0; }
}

/* sticky chapter rail */
.cs-body { display: grid; grid-template-columns: 200px minmax(0, 1fr); gap: var(--space-64); align-items: start; }
.cs-rail { position: sticky; top: 110px; list-style: none; margin: 0; padding: 0; display: grid; gap: 4px; }
.cs-rail a {
  display: flex; align-items: center; gap: 10px;
  padding: 8px 12px; border-radius: 10px;
  font-size: 14px; color: var(--color-text-secondary);
  transition: background var(--duration-fast), color var(--duration-fast);
}
.cs-rail a span { font-size: 11px; font-weight: 600; color: #B4BECC; font-variant-numeric: tabular-nums; }
.cs-rail a:hover, .cs-rail a.is-active { background: var(--color-canvas-soft); color: var(--color-ink); }
.cs-rail a.is-active span { color: var(--color-primary); }
@media (max-width: 1000px) { .cs-body { grid-template-columns: 1fr; } .cs-rail { display: none; } }

.cs-chapter { padding-bottom: var(--space-80); scroll-margin-top: 100px; }
.cs-chapter + .cs-chapter { padding-top: var(--space-80); border-top: 1px solid var(--color-border); }
.cs-chapter:last-child { padding-bottom: 0; }
.cs-step-label { font-size: 12px; font-weight: 600; letter-spacing: 0.1em; text-transform: uppercase; color: var(--color-primary); }
.cs-h2 { margin-top: var(--space-12); font-size: clamp(28px, 3vw, 40px); line-height: 1.12; font-weight: 300; letter-spacing: -0.03em; color: var(--color-ink); max-width: 720px; }
.cs-p { margin-top: var(--space-16); font-size: var(--body-lg-size); line-height: 28px; color: var(--color-text-secondary); max-width: 680px; }

.cs-two { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-top: var(--space-32); }
.cs-side { padding: var(--space-24); border: 1px solid var(--color-border); border-radius: 20px; background: var(--color-canvas); }
.cs-side h3 { font-size: 17px; font-weight: 500; color: var(--color-ink); }
.cs-side p { margin-top: 8px; font-size: 15px; line-height: 24px; color: var(--color-text-secondary); }
.cs-side .ut-label { display: block; margin-bottom: 8px; }
@media (max-width: 700px) { .cs-two { grid-template-columns: 1fr; } }

/* the model flip */
.cs-flip { display: grid; grid-template-columns: 1fr auto 1fr; gap: 16px; align-items: stretch; margin-top: var(--space-32); }
.cs-flip-col { padding: var(--space-24); border-radius: 20px; border: 1px solid var(--color-border); }
.cs-flip-col.is-old { background: var(--color-canvas-soft); }
.cs-flip-col.is-new { background: var(--color-ink); color: #fff; border-color: transparent; position: relative; overflow: hidden; isolation: isolate; }
.cs-flip-col.is-new::after { content: ''; position: absolute; width: 300px; height: 300px; right: -120px; top: -140px; border-radius: 50%; background: var(--color-primary); opacity: 0.35; filter: blur(70px); z-index: -1; }
.cs-flip-col ol { margin: 14px 0 0; padding-left: 18px; display: grid; gap: 8px; font-size: 15px; line-height: 22px; }
.cs-flip-col.is-old ol { color: var(--color-text-secondary); }
.cs-flip-col.is-new ol { color: var(--color-on-ink-secondary); }
.cs-flip-col.is-new ol b { color: #fff; font-weight: 500; }
.cs-flip-col .ut-label { color: inherit; opacity: 0.7; }
.cs-flip-arrow { align-self: center; width: 44px; height: 44px; border-radius: 50%; display: grid; place-items: center; background: var(--h-grad); color: #fff; }
.cs-flip-arrow svg { width: 18px; height: 18px; }
@media (max-width: 800px) { .cs-flip { grid-template-columns: 1fr; } .cs-flip-arrow { justify-self: center; transform: rotate(90deg); } }

.cs-pillars { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-top: 16px; }
.cs-pillar { padding: var(--space-24); border-radius: 20px; border: 1px solid var(--color-border); background: var(--color-canvas); }
.cs-pillar .p-icon { width: 40px; height: 40px; border-radius: 12px; display: grid; place-items: center; color: var(--color-primary); background: linear-gradient(135deg, rgba(47, 67, 252, 0.08), rgba(193, 127, 253, 0.16)); }
.cs-pillar .p-icon svg { width: 20px; height: 20px; }
.cs-pillar h3 { margin-top: 16px; font-size: 17px; font-weight: 500; color: var(--color-ink); }
.cs-pillar p { margin-top: 6px; font-size: 14.5px; line-height: 22px; color: var(--color-text-secondary); }
@media (max-width: 900px) { .cs-pillars { grid-template-columns: 1fr; } }

/* delivery steps */
.cs-steps { list-style: none; margin: var(--space-32) 0 0; padding: 0; counter-reset: cs; position: relative; }
.cs-steps::before { content: ''; position: absolute; left: 21px; top: 22px; bottom: 22px; width: 1px; background: linear-gradient(180deg, var(--color-brand-blue), var(--color-brand-purple)); opacity: 0.35; }
.cs-steps li { counter-increment: cs; position: relative; display: grid; grid-template-columns: 44px 1fr; gap: 20px; padding: 14px 0; }
.cs-steps li::before {
  content: counter(cs, decimal-leading-zero);
  width: 44px; height: 44px; border-radius: 50%;
  display: grid; place-items: center;
  background: var(--color-canvas); border: 1px solid var(--color-border);
  font-size: 13px; font-weight: 600; color: var(--color-primary);
  position: relative; z-index: 1;
}
.cs-steps li:last-child::before { background: var(--h-grad); color: #fff; border-color: transparent; }
.cs-steps h3 { font-size: 18px; line-height: 24px; font-weight: 500; color: var(--color-ink); margin-top: 10px; }
.cs-steps p { margin-top: 4px; font-size: 15px; line-height: 24px; color: var(--color-text-secondary); }

/* technology blocks */
.cs-stack { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; margin-top: var(--space-32); }
.cs-layer { padding: var(--space-24); border-radius: 20px; border: 1px solid var(--color-border); background: var(--color-canvas); }
.cs-layer h3 { font-size: 17px; font-weight: 500; color: var(--color-ink); display: flex; align-items: center; gap: 10px; }
.cs-layer h3 i { width: 8px; height: 8px; border-radius: 50%; background: var(--h-grad); }
.cs-layer p { margin-top: 8px; font-size: 14.5px; line-height: 22px; color: var(--color-text-secondary); }
@media (max-width: 700px) { .cs-stack { grid-template-columns: 1fr; } }

/* outcome */
.cs-outcome {
  margin-top: var(--space-32); padding: var(--space-48);
  border-radius: 28px; background: var(--color-ink); color: #fff;
  position: relative; overflow: hidden; isolation: isolate;
}
.cs-outcome::before { content: ''; position: absolute; width: 480px; height: 480px; left: -160px; bottom: -300px; border-radius: 50%; background: var(--color-brand-blue); opacity: 0.45; filter: blur(90px); z-index: -1; }
.cs-outcome::after { content: ''; position: absolute; width: 420px; height: 420px; right: -140px; top: -240px; border-radius: 50%; background: var(--color-brand-purple); opacity: 0.35; filter: blur(90px); z-index: -1; }
.cs-outcome-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-32); }
.cs-outcome h3 { font-size: 13px; font-weight: 600; letter-spacing: 0.08em; text-transform: uppercase; color: var(--color-brand-purple); }
.cs-outcome p { margin-top: 10px; font-size: 16px; line-height: 25px; color: var(--color-on-ink-secondary); }
.cs-outcome p b { color: #fff; font-weight: 500; }
@media (max-width: 900px) { .cs-outcome { padding: var(--space-32) var(--space-24); } .cs-outcome-grid { grid-template-columns: 1fr; gap: var(--space-24); } }

/* support grid */
.cs-support { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-top: var(--space-32); }
.cs-support div { padding: 20px; border-radius: 16px; background: var(--color-canvas-soft); border: 1px solid var(--color-border); }
.cs-support h3 { font-size: 16px; font-weight: 500; color: var(--color-ink); }
.cs-support p { margin-top: 6px; font-size: 14px; line-height: 21px; color: var(--color-text-secondary); }
@media (max-width: 900px) { .cs-support { grid-template-columns: 1fr 1fr; } }
@media (max-width: 560px) { .cs-support { grid-template-columns: 1fr; } }

.cs-services { display: flex; flex-wrap: wrap; gap: 8px; margin-top: var(--space-24); }
.cs-services a { padding: 8px 14px; border-radius: var(--radius-pill); border: 1px solid var(--color-border); font-size: 13.5px; color: var(--color-ink); background: #fff; transition: border-color var(--duration-fast), color var(--duration-fast); }
.cs-services a:hover { border-color: rgba(83, 58, 253, 0.35); color: var(--color-primary); }

/* "more coming" strip on work.html */
.fw-next { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: var(--space-16); margin-top: var(--space-24); padding: var(--space-24) var(--space-32); border: 1px dashed var(--color-border); border-radius: 20px; }
.fw-next p { font-size: 15px; line-height: 24px; color: var(--color-text-secondary); max-width: 640px; }
.fw-next strong { color: var(--color-ink); font-weight: 500; }