/* ============================================================
   DSTCC — sections.css
   Page-section Styles: Service Features, Process Steps,
   Supervisor Roles, Project Listing Filters, Animations
   ============================================================ */

/* ============================================================
   1. THIET KE THI CONG — Service Feature Cards & Process
   ============================================================ */
.service-feature-card {
  background: #fff;
  border-radius: 12px;
  padding: 30px;
  box-shadow: 0 4px 15px rgba(0,0,0,0.05);
  transition: all 0.3s ease;
  height: 100%;
  border-bottom: 4px solid transparent;
}
.service-feature-card:hover {
  transform: translateY(-5px);
  border-bottom-color: var(--primary);
  box-shadow: 0 10px 25px rgba(0,0,0,0.1);
}
.service-feature-icon { font-size: 2.5rem; color: var(--accent); margin-bottom: 20px; display: inline-block; }

.process-wrapper { counter-reset: step-counter; }
.process-step { position: relative; padding-left: 50px; margin-bottom: 30px; }
.process-step::before {
  content: counter(step-counter);
  counter-increment: step-counter;
  position: absolute; left: 0; top: 0;
  width: 36px; height: 36px;
  background: var(--primary); color: #fff;
  border-radius: 50%; display: flex; align-items: center; justify-content: center;
  font-weight: bold; font-family: "Barlow Condensed", sans-serif; font-size: 1.2rem;
}

/* ============================================================
   2. TU VAN GIAM SAT — Role Cards
   ============================================================ */
.role-card {
  padding: 30px; background: #fff; border-radius: 12px;
  box-shadow: 0 5px 20px rgba(0,0,0,0.05); transition: all 0.3s ease;
  position: relative; z-index: 1; overflow: hidden; height: 100%;
}
.role-card::after {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(135deg, rgba(0,63,127,0.05) 0%, transparent 100%);
  z-index: -1; opacity: 0; transition: opacity 0.3s ease;
}
.role-card:hover { transform: translateY(-5px); box-shadow: 0 15px 30px rgba(0,63,127,0.1); }
.role-card:hover::after { opacity: 1; }
.role-icon { font-size: 3rem; color: var(--accent); margin-bottom: 20px; display: inline-block; }

/* ============================================================
   3. SVC PREMIUM CARDS (dich-vu/index.html)
   ============================================================ */
.svc-eyebrow {
  display: inline-block; font-family: "Barlow Condensed", sans-serif;
  font-size: 0.78rem; font-weight: 700; letter-spacing: 3px; text-transform: uppercase;
  color: var(--accent); background: rgba(245,168,0,0.10);
  border: 1px solid rgba(245,168,0,0.28); padding: 5px 16px; border-radius: 20px;
}
.svc-card { border-radius: 16px; transition: transform 0.32s cubic-bezier(0.4,0,0.2,1), box-shadow 0.32s cubic-bezier(0.4,0,0.2,1); }
.svc-card:hover { transform: translateY(-8px); }
.svc-card-inner {
  height: 100%; padding: 36px 32px 28px; border-radius: 16px;
  background: #fff; border: 1px solid rgba(0,37,84,0.07);
  box-shadow: 0 4px 20px rgba(0,40,100,0.05);
  position: relative; overflow: hidden;
  display: flex; flex-direction: column; gap: 12px;
  transition: border-color 0.3s ease, box-shadow 0.3s ease;
}
.svc-card:hover .svc-card-inner { border-color: rgba(245,168,0,0.45); box-shadow: 0 16px 44px rgba(0,40,100,0.10); }
.svc-card-inner::before {
  content: ''; position: absolute; top: 0; left: 0; width: 64px; height: 4px;
  background: linear-gradient(90deg, var(--accent), rgba(245,168,0,0.3));
  border-radius: 0 0 4px 0; transition: width 0.35s ease;
}
.svc-card:hover .svc-card-inner::before { width: 100%; }
.svc-num {
  position: absolute; top: 14px; right: 20px;
  font-family: "Barlow Condensed", sans-serif; font-size: 3.5rem; font-weight: 900;
  color: rgba(0,37,84,0.05); pointer-events: none; user-select: none;
  transition: color 0.3s ease;
}
.svc-card:hover .svc-num { color: rgba(245,168,0,0.12); }
.svc-icon-wrap {
  width: 52px; height: 52px; border-radius: 12px;
  background: linear-gradient(135deg, rgba(0,37,84,0.06), rgba(0,37,84,0.10));
  display: flex; align-items: center; justify-content: center; flex-shrink: 0;
  transition: background 0.3s ease, transform 0.3s ease;
}
.svc-card:hover .svc-icon-wrap { background: linear-gradient(135deg, rgba(245,168,0,0.12), rgba(245,168,0,0.20)); transform: rotate(-4deg) scale(1.1); }
.svc-icon-wrap i { font-size: 1.45rem; color: var(--primary); transition: color 0.3s ease; }
.svc-card:hover .svc-icon-wrap i { color: var(--accent); }
.svc-title { font-family: "Barlow Condensed", sans-serif; font-size: 1.3rem; font-weight: 800; color: var(--primary); letter-spacing: 0.03em; text-transform: uppercase; margin: 0; line-height: 1.25; }
.svc-desc  { font-size: 0.93rem; color: var(--text-muted); line-height: 1.7; margin: 0; flex: 1; }
.svc-link  {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 0.82rem; font-weight: 700; font-family: "Barlow Condensed", sans-serif;
  letter-spacing: 0.1em; text-transform: uppercase; color: var(--primary);
  border-top: 1px solid rgba(0,37,84,0.07); padding-top: 14px; margin-top: 4px;
  transition: color 0.25s ease, gap 0.25s ease;
}
.svc-card:hover .svc-link { color: var(--accent); gap: 10px; }

/* ============================================================
   4. PROJECT LISTING PAGE FILTERS
   ============================================================ */
.project-filters-custom .filter-btn {
  background: transparent; border: 2px solid var(--border); border-radius: 50px;
  padding: 8px 24px; font-size: 0.95rem; font-weight: 600;
  transition: all 0.3s ease; cursor: pointer;
}
.project-filters-custom .filter-btn:hover { border-color: var(--primary); color: var(--primary); }
.project-filters-custom .filter-btn.active { background: var(--primary); border-color: var(--primary); color: #fff; }
.project-img-wrap img { transition: transform 0.5s ease; }
.project-card:hover .project-img-wrap img { transform: scale(1.08); }
.project-item { transition: opacity 0.4s ease, transform 0.4s ease; }
.project-item.hide { display: none !important; }

/* ============================================================
   5. SHARED KEYFRAME ANIMATIONS
   ============================================================ */
@keyframes fadeInDown {
  from { opacity: 0; transform: translateY(-24px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes bounce {
  0%, 20%, 50%, 80%, 100% { transform: translateY(0); }
  40% { transform: translateY(-12px); }
  60% { transform: translateY(-6px); }
}
@keyframes marquee {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}
@keyframes slideDown {
  from { opacity: 0; transform: translateY(-8px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes pulse-cta {
  0%, 100% { box-shadow: 0 4px 16px rgba(245,168,0,0.5); }
  50%       { box-shadow: 0 4px 28px rgba(245,168,0,0.8); transform: scale(1.05); }
}
@keyframes spin { to { transform: rotate(360deg); } }