@import url("case-study.css");

/* ============ Manufacturing & Execution System — Coded rebuild (v2, 38 images) ============ */

html { scroll-behavior: smooth; }

/* ---------- Floating side navigation ---------- */
.mes-side-nav {
  position: fixed;
  left: 28px;
  top: 50%;
  transform: translateY(-50%);
  z-index: 40;
  display: flex;
  flex-direction: column;
  gap: 4px;
  max-height: 88vh;
  overflow-y: auto;
  overflow-x: hidden;
  scrollbar-width: none;
  padding: 8px 4px;
  mix-blend-mode: difference;
}
.mes-side-nav::-webkit-scrollbar { display: none; }

.mes-side-nav-link {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  padding: 4px 6px;
  border-radius: 6px;
  transition: background 0.2s ease;
}
.mes-side-nav-link:hover {
  background: rgba(200, 200, 200, 0.06);
}

.mes-side-nav-bar {
  flex-shrink: 0;
  width: 2px;
  height: 12px;
  background: #D1D5DB;
  border-radius: 1px;
  transition: all 0.2s ease;
  opacity: 0.6;
}
.mes-side-nav-link:hover .mes-side-nav-bar,
.mes-side-nav-link.active .mes-side-nav-bar {
  opacity: 1;
}
.mes-side-nav-link.active .mes-side-nav-bar {
  width: 4px;
  height: 18px;
  background: #E5E7EB;
  border-radius: 99px;
}

.mes-side-nav-label {
  font-size: 12px;
  font-weight: 400;
  color: #D1D5DB;
  white-space: nowrap;
  opacity: 0;
  max-width: 0;
  overflow: hidden;
  transform: translateX(-6px);
  transition: opacity 0.2s ease, transform 0.2s ease, max-width 0.2s ease;
}
.mes-side-nav-link.active .mes-side-nav-label {
  color: #F3F4F6;
  font-weight: 600;
}

.mes-side-nav:hover .mes-side-nav-label {
  opacity: 1;
  max-width: 220px;
  transform: translateX(0);
}

@media (max-width: 700px) {
  .mes-side-nav { display: none; }
}

/* ---------- Real image overrides (replacing .ph placeholders) ---------- */
img.cover-laptop,
img.ph-chart,
img.brief-illus,
img.ph-img,
img.ph-sm,
img.ph-diagram,
img.ph-chart-lg,
img.ph-generic,
img.ph-thumb,
img.ph {
  display: block;
  width: 100%;
  height: auto;
  min-height: 0;
  min-width: 0;
  border-radius: 0;
  object-fit: cover;
  border: none;
  background: none;
  padding: 0;
}
img.brand-logo {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 44px;
  width: auto;
  margin: 0 auto 22px;
  background: rgba(255, 255, 255, 0.95);
  padding: 8px 24px 4px 24px;
  border-radius: 99px;
  border: 1px solid rgba(255, 255, 255, 0.5);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.15);
  object-fit: contain;
  object-position: center;
  box-sizing: border-box;
  vertical-align: middle;
}

/* ---------- Competitor table: sleek redesign ---------- */
.comp-table-wrap {
  border: none;
  border-radius: 18px;
  background: #fff;
  box-shadow: 0 1px 2px rgba(15,17,23,0.05), 0 16px 36px rgba(15,17,23,0.07);
}
.comp-table {
  border-collapse: separate;
  border-spacing: 0;
}
.comp-table {
  font-size: 12.5px;
}
.comp-table th, .comp-table td {
  border: none;
  padding: 9px 16px;
  line-height: 1.35;
}
.comp-table thead th {
  background: var(--light-card);
  font-size: 13px;
  letter-spacing: 0.6px;
  padding-top: 12px;
  padding-bottom: 10px;
  border-bottom: 2px solid transparent;
}
.comp-table thead th:first-child { border-top-left-radius: 18px; }
.comp-table thead th:last-child { border-top-right-radius: 18px; }
.comp-table thead th:nth-child(2) { color: var(--blue); border-bottom-color: var(--blue); }
.comp-table thead th:nth-child(3) { color: #c07a2e; border-bottom-color: #c07a2e; }
.comp-table tbody th {
  position: sticky;
  left: 0;
  background: #fff;
  font-weight: 700;
  border-right: 1px solid var(--light-border);
}
.comp-table tbody tr:nth-child(even) td,
.comp-table tbody tr:nth-child(even) th { background: var(--greyblue); }
.comp-table tbody tr:hover td,
.comp-table tbody tr:hover th { background: color-mix(in srgb, var(--blue) 6%, #fff); }
.comp-table tbody tr:last-child th,
.comp-table tbody tr:last-child td { border-radius: 0; }
.comp-table tbody tr:last-child th:first-child { border-bottom-left-radius: 18px; }
.comp-table tbody tr:last-child td:last-child { border-bottom-right-radius: 18px; }
.comp-table td:nth-child(3) { color: var(--ink); }

/* ---------- Cover laptop: hover-to-play screen gif ---------- */
.cover-laptop-wrap {
  position: relative;
  max-width: 1050px;
  margin: 0 auto 90px;
}
.cover-laptop-wrap img.cover-laptop {
  margin: 0;
  position: relative;
  z-index: 1;
}
.cover-laptop-gif {
  position: absolute;
  top: 4.1%;
  left: 11%;
  width: 78%;
  height: 88.3%;
  object-fit: cover;
  z-index: 2;
  display: none;
  border-radius: 2px;
}
.cover-laptop-wrap:hover .cover-laptop-gif {
  display: block;
}

/* ---------- Video embed ---------- */
.video-embed {
  position: relative;
  overflow: hidden;
  border-radius: 12px;
  aspect-ratio: 16 / 9;
}
.video-embed iframe,
.video-embed video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: 0;
  object-fit: contain;
  background: #000;
}

/* ---------- Metric cards: icon ---------- */
.metric-icon {
  display: block;
  width: 28px;
  height: 28px;
  margin-bottom: 14px;
}

/* ---------- Explore list: left align, smaller text ---------- */
.explore-list {
  text-align: left;
}
.explore-list li {
  text-align: left;
  font-size: 14px;
}

/* ---------- Research cards: image takes priority ---------- */
.research-card {
  grid-template-columns: 0.3fr 0.7fr;
  padding: 22px 24px;
  gap: 22px;
}

/* ---------- Smaller meta chips ---------- */
.meta-grid {
  gap: 10px;
  max-width: 760px;
  margin: 0 auto 40px;
}
.meta-chip {
  padding: 8px 14px;
  font-size: 13px;
}

/* ---------- User Need Classification staircase ---------- */
.stair { margin-top: 30px; }
.stair-row {
  display: grid; grid-template-columns: 260px 1fr; align-items: center;
  padding: 20px 26px; border-radius: var(--radius);
  background: var(--mint); margin-bottom: 4px;
}
.stair-row:nth-child(1) { background: #cfe6f7; }
.stair-row:nth-child(2) { background: #d9ebf8; }
.stair-row:nth-child(3) { background: #e3f0f9; }
.stair-row:nth-child(4) { background: #edf5fa; opacity: 0.75; }
.stair-row:nth-child(5) { background: #f5fafc; opacity: 0.55; }
.stair-row h4 { font-size: 20px; margin-bottom: 4px; }
.stair-row .stair-sub { font-size: 13.5px; color: var(--ink-2); }
.stair-row ul { padding-left: 18px; display: grid; gap: 4px; font-size: 14.5px; color: var(--ink-2); }

/* ---------- Persona photo cards (row of 3) ---------- */
.persona-photo-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 20px;
  margin-bottom: 40px;
  align-items: stretch;
}
.persona-photo-card {
  --pp-accent: var(--blue);
  --pp-accent-soft: #eaf3fc;
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 14px;
  background:
    linear-gradient(165deg, var(--pp-accent-soft) 0%, #fff 42%),
    #fff;
  border: 1px solid var(--light-border);
  border-radius: var(--radius);
  padding: 22px 20px 20px;
  overflow: hidden;
}
.persona-photo-card.pp-designer {
  --pp-accent: #3d7fd4;
  --pp-accent-soft: #eaf3fc;
}
.persona-photo-card.pp-manager {
  --pp-accent: #57491d;
  --pp-accent-soft: #f7f1df;
}
.persona-photo-card.pp-floor {
  --pp-accent: #1e9e50;
  --pp-accent-soft: #e9f6ef;
}

.pp-head {
  display: flex;
  align-items: center;
  gap: 14px;
}
.pp-avatar {
  flex-shrink: 0;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  object-fit: cover;
  filter: grayscale(1);
  transition: filter 0.25s ease;
}
.persona-photo-card:hover .pp-avatar {
  filter: grayscale(0);
}
.pp-identity { min-width: 0; }
.pp-role {
  display: inline-block;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--pp-accent);
  margin-bottom: 2px;
}
.persona-photo-card h4 {
  font-family: "Rajdhani", sans-serif;
  font-size: 26px;
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: 0.2px;
}
.pp-meta {
  font-size: 13px;
  color: var(--ink-2);
  margin: 2px 0 0;
}

.pp-quote {
  position: relative;
  margin: 0;
  padding: 12px 14px 12px 16px;
  border-left: 3px solid var(--pp-accent);
  background: color-mix(in srgb, var(--pp-accent-soft) 70%, #fff);
  border-radius: 0 10px 10px 0;
  font-style: italic;
  font-size: 14.5px;
  line-height: 1.45;
  color: var(--ink);
}
.pp-quote::before {
  content: "“";
  position: absolute;
  top: -6px;
  left: 8px;
  font-family: "Rajdhani", sans-serif;
  font-size: 42px;
  line-height: 1;
  color: color-mix(in srgb, var(--pp-accent) 35%, transparent);
  pointer-events: none;
}

.pp-block {
  border-radius: 10px;
  padding: 12px 14px;
}
.pp-block.pp-pain { background: var(--pink); }
.pp-block.pp-needs { background: var(--cream); }
.persona-photo-card h5 {
  font-size: 11.5px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.55px;
  color: var(--ink-2);
  margin: 0 0 8px;
}
.pp-block ul {
  margin: 0;
  padding-left: 16px;
  display: grid;
  gap: 6px;
  font-size: 13px;
  color: var(--ink-2);
  line-height: 1.4;
}

.pp-tq {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-top: auto;
  padding-top: 4px;
}
.pp-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}
.pp-chips span {
  display: inline-block;
  padding: 5px 9px;
  border-radius: 999px;
  font-size: 11.5px;
  font-weight: 600;
  line-height: 1.2;
  color: var(--pp-accent);
  background: color-mix(in srgb, var(--pp-accent-soft) 85%, #fff);
  border: 1px solid color-mix(in srgb, var(--pp-accent) 18%, transparent);
}
.pp-chips-soft span {
  color: var(--ink-2);
  background: var(--greyblue);
  border-color: var(--light-border);
  font-weight: 500;
}

/* ---------- User Journey Map table ---------- */
.ujm-table-wrap { overflow-x: auto; border: 1px solid var(--light-border); border-radius: var(--radius); margin-top: 20px; }
.ujm-table { width: 100%; border-collapse: collapse; font-size: 13px; min-width: 900px; }
.ujm-table th, .ujm-table td { padding: 14px 16px; border-bottom: 1px solid var(--light-border); border-right: 1px solid var(--light-border); vertical-align: top; text-align: left; }
.ujm-table th:last-child, .ujm-table td:last-child { border-right: none; }
.ujm-table thead th { background: var(--light-card); font-family: "Rajdhani", sans-serif; font-size: 15px; }
.ujm-table tbody th { font-weight: 700; background: var(--light-card); width: 120px; }
.ujm-table td { color: var(--ink-2); }
.ujm-table tbody tr:last-child th, .ujm-table tbody tr:last-child td { border-bottom: none; }

/* ---------- NPS detail rows (extends .nps-block) ---------- */
.nps-detail-row { display: flex; gap: 10px; font-size: 13.5px; margin-bottom: 8px; }
.nps-detail-row .k { color: #9a9a9a; min-width: 74px; flex-shrink: 0; }
.nps-detail-row .v { color: #fff; }
.nps-quote { font-style: italic; color: var(--dark-text-dim); font-size: 14.5px; margin: 12px 0 16px; }
.nps-breakdown { display: flex; gap: 10px; margin-bottom: 16px; flex-wrap: wrap; }
.nps-breakdown span { padding: 6px 12px; border-radius: 8px; font-size: 13px; font-weight: 600; }
.nps-breakdown .promoters { background: rgba(58,168,94,0.2); color: #6bcf8e; }
.nps-breakdown .passives { background: rgba(232,185,60,0.2); color: #e8b93c; }
.nps-breakdown .detractors { background: rgba(228,96,78,0.2); color: #e4604e; }

/* ---------- Challenge faced: flag cards ---------- */
.flag-card { border-radius: var(--radius); padding: 26px 28px; }
.flag-card.pain-flag { background: var(--pink); }
.flag-card.success-flag { background: var(--mint); }
.flag-card h4 { font-size: 19px; margin-bottom: 14px; }
.flag-card ul, .flag-card p { font-size: 15px; color: var(--ink-2); }
.flag-card ul { padding-left: 18px; display: grid; gap: 8px; }

@media (max-width: 900px) {
  .stair-row, .persona-photo-row, .pp-tq { grid-template-columns: 1fr; }
}