/* ===================================================
   TECHNODREAMS — CASE STUDY PAGES CSS
   case.css — shared across all /cases/* pages
   =================================================== */

/* ── CASE HERO ──────────────────────────── */
.case-hero {
  min-height: 70vh;
  padding: 120px 0 0;
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}
.case-hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}
.case-hero-image {
  position: absolute;
  inset: 0;
  z-index: 1;
  overflow: hidden;
}
.case-hero-image img {
  width: 100%; height: 100%;
  object-fit: cover;
  opacity: 0.25;
  filter: saturate(0.6);
}
/* IMAGE PLACEHOLDER (shown when no image is uploaded yet) */
.image-placeholder {
  width: 100%; height: 100%;
  min-height: 200px;
  background: rgba(255,255,255,0.02);
  border: 2px dashed rgba(91,110,245,0.2);
  border-radius: var(--radius);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 8px;
  cursor: default;
  transition: border-color 0.3s, background 0.3s;
}
.image-placeholder:hover {
  border-color: rgba(91,110,245,0.4);
  background: rgba(91,110,245,0.04);
}
.image-placeholder .ip-icon { font-size: 2rem; opacity: 0.4; }
.image-placeholder span { font-size: 0.8rem; color: var(--text3); font-family: monospace; }
.image-placeholder small { font-size: 0.7rem; color: var(--text3); opacity: 0.6; }

/* Inside hero, the placeholder is the overlay */
.case-hero-image .image-placeholder {
  border-radius: 0;
  border: none;
  background: transparent;
}

.case-hero-content {
  position: relative;
  z-index: 2;
  padding-bottom: 64px;
  padding-top: 16px;
}

/* CATEGORY BADGES */
.case-category {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 20px;
}
.cat-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  border-radius: 100px;
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.02em;
}
.cat-gov    { background: rgba(91,110,245,0.12); border: 1px solid rgba(91,110,245,0.25); color: #a0aeff; }
.cat-mobile { background: rgba(79,195,247,0.10); border: 1px solid rgba(79,195,247,0.2);  color: #7dd9f5; }
.cat-web    { background: rgba(46,160,46,0.10);  border: 1px solid rgba(46,160,46,0.2);   color: #6acc6a; }
.cat-anti   { background: rgba(245,166,35,0.10); border: 1px solid rgba(245,166,35,0.2);  color: #f5c060; }

/* CASE TITLE */
.case-title {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -0.03em;
  margin-bottom: 24px;
}
.case-title em { color: var(--accent); font-style: normal; }

.case-subtitle {
  font-size: 1.15rem;
  color: var(--text2);
  max-width: 640px;
  line-height: 1.7;
  margin-bottom: 40px;
}

/* CASE META */
.case-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 32px;
  padding: 24px 0;
  border-top: 1px solid var(--border);
}
.cm-item span {
  display: block;
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text3);
  margin-bottom: 4px;
}
.cm-item strong { font-size: 0.9rem; color: var(--text); font-weight: 500; }
.cm-item a {
  font-size: 0.9rem;
  color: var(--accent);
  text-decoration: none;
  font-weight: 500;
  transition: color 0.2s;
}
.cm-item a:hover { color: var(--accent2); }

/* ── KEY NUMBERS ────────────────────────── */
.case-numbers {
  padding: 64px 0;
  background: var(--bg2);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.numbers-grid {
  display: flex;
  justify-content: space-around;
  flex-wrap: wrap;
  gap: 32px;
}
.number-card {
  text-align: center;
}
.nc-num {
  font-family: var(--font-display);
  font-size: 2.8rem;
  font-weight: 800;
  color: var(--text);
  line-height: 1;
}
.nc-suffix {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 800;
  color: var(--accent);
}
.nc-label {
  display: block;
  font-size: 0.78rem;
  color: var(--text3);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-top: 6px;
}

/* ── CASE BODY LAYOUT ───────────────────── */
.case-body {
  padding: 80px 0;
  background: var(--bg);
}
.case-layout {
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: 64px;
  align-items: start;
}

/* ── SIDEBAR / TOC ──────────────────────── */
.case-sidebar {
  position: sticky;
  top: 100px;
  align-self: start;
}
.sticky-toc {
  position: relative;
  top: 0;
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.toc-title {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--text3);
  margin-bottom: 12px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--border);
}
.toc-link {
  font-size: 0.83rem;
  color: var(--text3);
  text-decoration: none;
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  transition: color 0.2s, background 0.2s;
  border-left: 2px solid transparent;
}
.toc-link:hover { color: var(--text); background: var(--surface); }
.toc-link.active { color: var(--accent); border-left-color: var(--accent); background: rgba(91,110,245,0.06); }

/* ── ARTICLE SECTIONS ───────────────────── */
.case-article { max-width: 760px; }

.cs-section {
  margin-bottom: 64px;
  padding-bottom: 64px;
  border-bottom: 1px solid var(--border);
}
.cs-section:last-child { border-bottom: none; }

.cs-section h2 {
  font-family: var(--font-display);
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--text);
  letter-spacing: -0.02em;
  margin-bottom: 20px;
}
.cs-section p {
  color: var(--text2);
  font-size: 1rem;
  line-height: 1.8;
  margin-bottom: 16px;
}
.cs-section p:last-child { margin-bottom: 0; }
.cs-section strong { color: var(--text); font-weight: 500; }

/* IMAGE GALLERY */
.case-gallery { margin-bottom: 64px; }
.gallery-grid {
  display: grid;
  grid-template-columns: 2fr 1fr;
  grid-template-rows: 1fr 1fr;
  gap: 12px;
  height: 440px;
}
.gallery-item { border-radius: var(--radius); overflow: hidden; }
.gallery-item img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 0.4s;
}
.gallery-item:hover img { transform: scale(1.03); }
.gi-main {
  grid-row: span 2;
}

/* HIGHLIGHT BOX */
.cs-highlight-box {
  background: rgba(91,110,245,0.06);
  border: 1px solid rgba(91,110,245,0.15);
  border-left: 3px solid var(--accent);
  border-radius: var(--radius);
  padding: 20px 24px;
  display: flex;
  gap: 16px;
  align-items: flex-start;
  margin-top: 24px;
}
.cs-hb-warning {
  background: rgba(245,166,35,0.06);
  border-color: rgba(245,166,35,0.15);
  border-left-color: var(--warm);
}
.hb-icon { font-size: 1.5rem; flex-shrink: 0; line-height: 1; margin-top: 2px; }
.cs-highlight-box strong { display: block; font-size: 0.9rem; color: var(--text); margin-bottom: 6px; }
.cs-highlight-box p { color: var(--text2); font-size: 0.88rem; margin: 0; }

/* CHALLENGES GRID */
.challenges-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-top: 8px;
}
.challenge-card {
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  transition: border-color 0.3s, transform 0.3s;
}
.challenge-card:hover { border-color: rgba(91,110,245,0.3); transform: translateY(-3px); }
.chc-icon { font-size: 1.8rem; margin-bottom: 12px; }
.challenge-card h4 { font-family: var(--font-display); font-size: 0.95rem; font-weight: 700; color: var(--text); margin-bottom: 8px; }
.challenge-card p { font-size: 0.85rem; color: var(--text3); line-height: 1.6; margin: 0; }

/* TIMELINE */
.timeline { display: flex; flex-direction: column; gap: 0; position: relative; }
.timeline::before {
  content: '';
  position: absolute;
  left: 56px;
  top: 28px;
  bottom: 0;
  width: 1px;
  background: var(--border);
  z-index: 0;
}
.tl-item {
  display: flex;
  gap: 28px;
  position: relative;
  z-index: 1;
  margin-bottom: 40px;
}
.tl-marker {
  flex-shrink: 0;
  display: flex;
  align-items: flex-start;
  padding-top: 2px;
}
.tl-year {
  background: var(--bg);
  border: 2px solid var(--accent);
  color: var(--accent);
  padding: 6px 10px;
  border-radius: var(--radius-sm);
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 700;
  min-width: 52px;
  text-align: center;
  letter-spacing: 0.02em;
}
.tl-current .tl-year {
  background: var(--accent);
  color: #fff;
  box-shadow: 0 4px 16px rgba(91,110,245,0.4);
}
.tl-content { flex: 1; }
.tl-content h4 {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 8px;
}
.tl-content p { font-size: 0.9rem; color: var(--text2); margin-bottom: 12px; line-height: 1.6; }
.tl-list { list-style: none; display: flex; flex-direction: column; gap: 6px; }
.tl-list li {
  font-size: 0.85rem;
  color: var(--text3);
  padding-left: 18px;
  position: relative;
  line-height: 1.5;
}
.tl-list li::before {
  content: '▸';
  position: absolute;
  left: 0;
  color: var(--accent);
  font-size: 0.7rem;
  top: 2px;
}

/* ARCHITECTURE DIAGRAM */
.arch-diagram {
  display: flex;
  flex-direction: column;
  gap: 0;
  align-items: center;
}
.arch-layer {
  width: 100%;
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px 24px;
  display: flex;
  align-items: center;
  gap: 20px;
}
.al-label {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text3);
  min-width: 80px;
}
.arch-nodes { display: flex; flex-wrap: wrap; gap: 8px; }
.arch-node {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 6px 14px;
  font-size: 0.8rem;
  color: var(--text2);
}
.arch-node.an-primary { background: rgba(91,110,245,0.12); border-color: rgba(91,110,245,0.25); color: var(--accent2); font-weight: 500; }
.arch-node.an-accent  { background: rgba(79,195,247,0.10); border-color: rgba(79,195,247,0.2);  color: #7dd9f5; font-weight: 500; }
.arch-node.an-highlight { background: rgba(245,166,35,0.10); border-color: rgba(245,166,35,0.2); color: #f5c060; }
.arch-arrow { color: var(--text3); font-size: 1.2rem; padding: 4px 0; }

/* TEAM GRID */
.team-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 12px;
}
.team-role {
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 14px 16px;
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.85rem;
  color: var(--text2);
  transition: border-color 0.2s;
}
.team-role:hover { border-color: rgba(91,110,245,0.25); color: var(--text); }
.team-role span { font-size: 1.1rem; }

/* TECH STACKS */
.tech-stacks { display: flex; flex-direction: column; gap: 20px; }
.tech-stack-item h4 {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--text3);
  margin-bottom: 10px;
}
.tech-pills { display: flex; flex-wrap: wrap; gap: 8px; }
.tech-pills span {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 100px;
  padding: 5px 14px;
  font-size: 0.8rem;
  color: var(--text2);
  transition: border-color 0.2s, color 0.2s;
}
.tech-pills span:hover { border-color: var(--accent); color: var(--accent); }

/* EXPERTISE LIST */
.expertise-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
.expertise-list span {
  background: rgba(91,110,245,0.07);
  border: 1px solid rgba(91,110,245,0.15);
  border-radius: 100px;
  padding: 7px 16px;
  font-size: 0.82rem;
  color: var(--accent2);
}

/* VALUE SECTION */
.value-highlight { }
.value-highlight p { color: var(--text2); font-size: 1rem; line-height: 1.8; margin-bottom: 20px; }
.value-quote {
  display: flex;
  gap: 20px;
  align-items: flex-start;
  margin: 32px 0;
}
.vq-line {
  width: 3px;
  min-height: 60px;
  background: linear-gradient(to bottom, var(--accent), transparent);
  flex-shrink: 0;
  border-radius: 2px;
}
.value-quote p {
  font-size: 1.1rem !important;
  font-style: italic;
  color: var(--text) !important;
  line-height: 1.6 !important;
  margin: 0 !important;
}

/* VALUE OUTCOMES */
.value-outcomes { display: flex; flex-direction: column; gap: 12px; margin-top: 24px; }
.vo-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 0.9rem;
  color: var(--text2);
}
.vo-icon { color: #28c864; font-size: 0.9rem; flex-shrink: 0; margin-top: 1px; }

/* TESTIMONIAL IN CASE */
.cs-testimonial {
  background: rgba(91,110,245,0.06);
  border: 1px solid rgba(91,110,245,0.12);
  border-radius: var(--radius);
  padding: 32px;
  margin-top: 32px;
  position: relative;
}
.cst-quote {
  font-family: var(--font-display);
  font-size: 3rem;
  font-weight: 800;
  color: var(--accent);
  line-height: 0.8;
  opacity: 0.4;
  margin-bottom: 12px;
}
.cs-testimonial p {
  font-style: italic;
  color: var(--text2);
  font-size: 0.95rem;
  line-height: 1.8;
  margin-bottom: 20px;
}
.cst-author strong { display: block; font-size: 0.88rem; color: var(--text); font-weight: 600; }
.cst-author span { font-size: 0.78rem; color: var(--text3); }

/* ── NEXT CASES ─────────────────────────── */
.next-cases {
  padding: 80px 0;
  background: var(--bg2);
  border-top: 1px solid var(--border);
}
.next-cases h3 {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--text2);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin-bottom: 32px;
}
.next-cases-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.nc-card {
  border-radius: var(--radius);
  overflow: hidden;
  position: relative;
  text-decoration: none;
  display: block;
  height: 200px;
  transition: transform 0.3s, box-shadow 0.3s;
}
.nc-card:hover { transform: translateY(-4px); box-shadow: 0 20px 60px rgba(0,0,0,0.4); }
.nc-bg { position: absolute; inset: 0; transition: transform 0.5s; }
.nc-card:hover .nc-bg { transform: scale(1.04); }
.nc-content {
  position: absolute; inset: 0;
  padding: 28px;
  background: linear-gradient(to top, rgba(0,0,0,0.85) 0%, rgba(0,0,0,0.3) 60%, transparent 100%);
  display: flex; flex-direction: column;
  justify-content: flex-end;
}
.nc-content > span:first-child { font-size: 0.72rem; color: rgba(255,255,255,0.6); text-transform: uppercase; letter-spacing: 0.1em; margin-bottom: 6px; }
.nc-content h4 { font-family: var(--font-display); font-size: 1.1rem; font-weight: 700; color: #fff; margin-bottom: 4px; }
.nc-content p { font-size: 0.8rem; color: rgba(255,255,255,0.65); line-height: 1.4; }
.nc-arrow {
  position: absolute;
  top: 20px; right: 20px;
  font-size: 1.1rem; color: rgba(255,255,255,0.4);
  transition: color 0.2s, transform 0.2s;
}
.nc-card:hover .nc-arrow { color: #fff; transform: translate(3px,-3px); }

/* ── RESPONSIVE ─────────────────────────── */
@media (max-width: 1024px) {
  .case-layout { grid-template-columns: 1fr; }
  .case-sidebar { display: none; }
}
@media (max-width: 768px) {
  .case-hero { min-height: auto; padding-top: 100px; }
  .case-title { font-size: 2.2rem; }
  .numbers-grid { justify-content: flex-start; gap: 24px; }
  .challenges-grid { grid-template-columns: 1fr; }
  .gallery-grid { grid-template-columns: 1fr; height: auto; }
  .gi-main { grid-row: span 1; }
  .next-cases-grid { grid-template-columns: 1fr; }
  .case-meta { gap: 20px; }
  .gallery-item { height: 200px; }
  .case-hero-content,.case-numbers,.next-cases {
    padding-top: 30px;
    padding-bottom: 30px;
  }
  .case-body{
     padding-top: 30px;
     padding-bottom: 0;
  }  article .cs-section{
    padding-bottom: 30px;
    margin-bottom: 30px;
  }
}