/* ═══════════════════════════════════════════════
   VietDX — Custom Stylesheet
   Bootstrap 5 + Be Vietnam Pro + Lexend
   ═══════════════════════════════════════════════ */

/* ─── GOOGLE FONTS ─── */
@import url('https://fonts.googleapis.com/css2?family=Be+Vietnam+Pro:ital,wght@0,300;0,400;0,500;0,600;0,700;0,800;1,300;1,400&family=Lexend:wght@400;600;700;800&display=swap');

/* ─── CSS VARIABLES ─── */
:root {
  --ink:        #0a0a0f;
  --paper:      #f5f2eb;
  --gold:       #e8b84b;
  --gold-dim:   #c9973a;
  --teal:       #1a6b6b;
  --teal-light: #2a9d8f;
  --rust:       #c1440e;
  --cream:      #faf7f0;
  --mid:        #6b6760;
  --line:       rgba(10,10,15,0.1);

  /* Bootstrap overrides */
  --bs-body-font-family: 'Be Vietnam Pro', Arial, sans-serif;
  --bs-body-bg:          var(--cream);
  --bs-body-color:       var(--ink);
  --bs-primary:          var(--teal);
  --bs-link-color:       var(--teal);
}

/* ─── BASE ─── */
html { scroll-behavior: smooth; }

body {
  font-family: var(--bs-body-font-family);
  background: var(--cream);
  color: var(--ink);
  overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6,
.font-heading {
  font-family: 'Lexend', sans-serif;
}

/* ─── ANIMATIONS ─── */
@keyframes pulse   { 0%,100%{opacity:1} 50%{opacity:0.3} }
@keyframes fadeUp  { from{opacity:0;transform:translateY(24px)} to{opacity:1;transform:none} }

.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal.visible { opacity: 1; transform: none; }

/* ─── NAVBAR ─── */
.navbar-vietdx {
  background: rgba(245,242,235,0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
  padding: 1rem 2rem;
}

.logo {
  font-family: 'Lexend', sans-serif;
  font-weight: 800;
  font-size: 1.5rem;
  letter-spacing: -0.04em;
  color: var(--ink);
  text-decoration: none;
}
.logo span { color: var(--gold); }

.nav-link-custom {
  font-size: 0.85rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--mid);
  text-decoration: none;
  transition: color 0.2s;
  padding: 0.4rem 0.8rem;
}
.nav-link-custom:hover { color: var(--ink); }

.btn-nav-cta {
  background: var(--ink);
  color: var(--cream);
  padding: 0.5rem 1.4rem;
  border-radius: 2px;
  font-size: 0.82rem;
  font-weight: 500;
  text-decoration: none;
  transition: background 0.2s;
  white-space: nowrap;
}
.btn-nav-cta:hover { background: var(--teal); color: var(--cream); }

/* ─── SECTION LABELS ─── */
.section-label {
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--teal);
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  gap: 0.8rem;
}
.section-label::before {
  content: '';
  flex: 0 0 32px;
  height: 1px;
  background: var(--teal);
}

.section-title {
  font-family: 'Lexend', sans-serif;
  font-size: clamp(2rem, 3.5vw, 3rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.1;
}

/* ─── BUTTONS ─── */
.btn-primary-custom {
  background: var(--ink);
  color: var(--cream);
  padding: 0.85rem 2.2rem;
  font-size: 0.9rem;
  font-weight: 500;
  border: none;
  cursor: pointer;
  border-radius: 2px;
  letter-spacing: 0.01em;
  transition: background 0.25s, transform 0.2s;
  text-decoration: none;
  display: inline-block;
}
.btn-primary-custom:hover {
  background: var(--teal);
  color: var(--cream);
  transform: translateY(-1px);
}

.btn-ghost {
  color: var(--ink);
  font-size: 0.9rem;
  font-weight: 500;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  border-bottom: 1px solid var(--ink);
  padding-bottom: 2px;
  transition: color 0.2s, border-color 0.2s;
}
.btn-ghost:hover { color: var(--teal); border-color: var(--teal); }

.btn-cta {
  background: var(--gold);
  color: var(--ink);
  padding: 1rem 2.5rem;
  font-size: 0.9rem;
  font-weight: 700;
  border: none;
  cursor: pointer;
  border-radius: 2px;
  font-family: 'Lexend', sans-serif;
  letter-spacing: 0.02em;
  transition: transform 0.2s, box-shadow 0.2s;
  text-decoration: none;
  display: inline-block;
}
.btn-cta:hover {
  color: var(--ink);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0,0,0,0.2);
}

/* ─── HERO ─── */
.hero-section {
  min-height: 100vh;
  padding-top: 72px;
}

.hero-left {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 5rem 4rem;
  background: var(--cream);
  min-height: 100vh;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--teal);
  border: 1px solid var(--teal);
  padding: 0.4rem 1rem;
  border-radius: 999px;
  width: fit-content;
  margin-bottom: 2.5rem;
  animation: fadeUp 0.8s ease both;
}
.hero-badge::before {
  content: '';
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--teal);
  animation: pulse 2s infinite;
}

.hero-h1 {
  font-family: 'Lexend', sans-serif;
  font-size: clamp(2.8rem, 5vw, 4.4rem);
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -0.04em;
  animation: fadeUp 0.8s 0.1s ease both;
}
.hero-h1 em { font-style: normal; color: var(--gold); }
.hero-h1 .line-stroke {
  -webkit-text-stroke: 2px var(--ink);
  color: transparent;
}

.hero-sub {
  margin-top: 1.8rem;
  font-size: 1.05rem;
  line-height: 1.7;
  color: var(--mid);
  animation: fadeUp 0.8s 0.2s ease both;
}

.hero-actions {
  margin-top: 2.8rem;
  display: flex;
  gap: 1rem;
  align-items: center;
  flex-wrap: wrap;
  animation: fadeUp 0.8s 0.3s ease both;
}

.hero-stats {
  margin-top: 4rem;
  padding-top: 2rem;
  border-top: 1px solid var(--line);
  animation: fadeUp 0.8s 0.4s ease both;
}

.stat-num {
  font-family: 'Lexend', sans-serif;
  font-size: 2rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--ink);
}
.stat-label {
  font-size: 0.78rem;
  color: var(--mid);
  margin-top: 0.2rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* ─── HERO RIGHT TILES ─── */
.hero-right {
  background: var(--ink);
  min-height: 100vh;
  display: grid;
  grid-template-columns: 1fr 1fr;
  grid-template-rows: 1fr 1fr;
  position: relative;
  overflow: hidden;
}

.hero-right::after {
  content: '';
  position: absolute; inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.03'/%3E%3C/svg%3E");
  pointer-events: none; opacity: 0.4;
}

.hero-tile {
  border: 1px solid rgba(255,255,255,0.07);
  padding: 2.5rem;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  position: relative;
  overflow: hidden;
  transition: background 0.3s;
  cursor: default;
}
.hero-tile:hover { background: rgba(255,255,255,0.04); }

.tile-icon {
  font-size: 2.5rem;
  margin-bottom: 1rem;
  animation: fadeUp 0.8s ease both;
}
.tile-title {
  font-family: 'Lexend', sans-serif;
  font-size: 1rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 0.4rem;
}
.tile-desc { font-size: 0.8rem; color: rgba(255,255,255,0.45); line-height: 1.5; }

.tile-accent {
  position: absolute; top: 1.5rem; right: 1.5rem;
  width: 32px; height: 32px; border-radius: 50%;
}
.t1 .tile-accent { background: var(--gold); }
.t2 .tile-accent { background: var(--teal-light); }
.t3 .tile-accent { background: var(--rust); opacity: 0.7; }
.t4 .tile-accent { background: #7c6fff; }

/* ─── VIDEO SECTION ─── */
#video { background: var(--paper); padding: 6rem 0; }

.video-card {
  background: var(--cream);
  border-radius: 4px;
  overflow: hidden;
  cursor: pointer;
  border: 1px solid var(--line);
  transition: transform 0.3s, box-shadow 0.3s;
  height: 100%;
}
.video-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(0,0,0,0.1);
}

.video-thumb {
  aspect-ratio: 16/9;
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}
.video-card-large .video-thumb { aspect-ratio: 16/7; }

.thumb-bg { position: absolute; inset: 0; }
.vc1 .thumb-bg { background: linear-gradient(135deg, #1a6b6b 0%, #0a0a0f 100%); }
.vc2 .thumb-bg { background: linear-gradient(135deg, #c1440e 0%, #3d0a02 100%); }
.vc3 .thumb-bg { background: linear-gradient(135deg, #7c6fff 0%, #0a0a0f 100%); }
.vc4 .thumb-bg { background: linear-gradient(135deg, #e8b84b 0%, #7a4f00 100%); }
.vc5 .thumb-bg { background: linear-gradient(135deg, #2a9d8f 0%, #003333 100%); }
.vc6 .thumb-bg { background: linear-gradient(135deg, #c1440e 0%, #7c6fff 100%); }

.play-btn {
  position: relative; z-index: 1;
  width: 48px; height: 48px; border-radius: 50%;
  background: rgba(255,255,255,0.15);
  border: 2px solid rgba(255,255,255,0.5);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.1rem; color: #fff;
  backdrop-filter: blur(4px);
  transition: background 0.2s, transform 0.2s;
}
.video-card:hover .play-btn {
  background: rgba(255,255,255,0.3);
  transform: scale(1.1);
}

.thumb-duration {
  position: absolute; bottom: 0.7rem; right: 0.7rem; z-index: 1;
  font-size: 0.7rem; font-weight: 600; color: #fff;
  background: rgba(0,0,0,0.6); padding: 0.2rem 0.5rem; border-radius: 2px;
}

.video-info { padding: 1.2rem 1.4rem 1.4rem; }
.video-category {
  font-size: 0.68rem; font-weight: 600; letter-spacing: 0.08em;
  text-transform: uppercase; color: var(--teal); margin-bottom: 0.5rem;
}
.video-name {
  font-family: 'Lexend', sans-serif;
  font-size: 0.95rem; font-weight: 700; line-height: 1.3;
}
.video-meta {
  margin-top: 0.8rem; font-size: 0.75rem;
  color: var(--mid); display: flex; gap: 1rem; flex-wrap: wrap;
}

/* ─── BLOG SECTION ─── */
#blog { background: var(--cream); padding: 6rem 0; }

.blog-featured {
  cursor: pointer;
  transition: transform 0.3s;
}
.blog-featured:hover { transform: translateY(-3px); }

.blog-featured-img {
  width: 100%; aspect-ratio: 4/3;
  background: linear-gradient(145deg, var(--ink) 0%, var(--teal) 100%);
  border-radius: 4px; margin-bottom: 1.8rem;
  display: flex; align-items: center; justify-content: center;
  overflow: hidden;
}
.blog-featured-img-text {
  font-family: 'Lexend', sans-serif;
  font-size: 2.5rem; font-weight: 800;
  color: rgba(255,255,255,0.1);
  letter-spacing: -0.05em; text-align: center; padding: 1rem;
  line-height: 1;
}

.blog-tag {
  display: inline-block;
  font-size: 0.7rem; font-weight: 600; letter-spacing: 0.08em;
  text-transform: uppercase; color: var(--cream);
  background: var(--teal); padding: 0.3rem 0.8rem;
  border-radius: 2px; margin-bottom: 1rem;
}

.blog-featured-title {
  font-family: 'Lexend', sans-serif;
  font-size: 1.5rem; font-weight: 800; line-height: 1.2;
  letter-spacing: -0.02em; margin-bottom: 0.8rem;
}
.blog-featured-excerpt {
  font-size: 0.9rem; line-height: 1.7; color: var(--mid);
}

.blog-author { margin-top: 1.4rem; display: flex; align-items: center; gap: 0.8rem; }
.author-avatar {
  width: 36px; height: 36px; border-radius: 50%;
  background: var(--gold); display: flex; align-items: center;
  justify-content: center; font-family: 'Lexend', sans-serif;
  font-weight: 800; font-size: 0.8rem; color: var(--ink);
  flex-shrink: 0;
}
.author-name { font-size: 0.82rem; font-weight: 500; }
.author-date { font-size: 0.75rem; color: var(--mid); }

.blog-item {
  display: flex; gap: 1.2rem; padding: 1.5rem 0;
  border-bottom: 1px solid var(--line); cursor: pointer;
  transition: background 0.2s;
}
.blog-item:hover .blog-item-title { color: var(--teal); }
.blog-item-num {
  font-family: 'Lexend', sans-serif; font-size: 0.75rem;
  font-weight: 800; color: var(--line); flex-shrink: 0;
  padding-top: 2px; width: 20px;
}
.blog-item-tag {
  font-size: 0.65rem; color: var(--teal); font-weight: 600;
  text-transform: uppercase; letter-spacing: 0.06em; margin-bottom: 0.3rem;
}
.blog-item-title {
  font-family: 'Lexend', sans-serif;
  font-size: 0.95rem; font-weight: 700; line-height: 1.3;
  transition: color 0.2s;
}
.blog-item-meta { font-size: 0.72rem; color: var(--mid); margin-top: 0.4rem; }

/* ─── COURSES SECTION ─── */
#courses { background: var(--ink); color: var(--cream); padding: 6rem 0; }
#courses .section-label { color: var(--gold); }
#courses .section-label::before { background: var(--gold); }
#courses .section-title { color: var(--cream); }

.courses-sub {
  font-size: 0.95rem; line-height: 1.6;
  color: rgba(245,242,235,0.5); margin-top: 1rem;
}

.filter-tabs { display: flex; gap: 0.5rem; flex-wrap: wrap; }
.filter-tab {
  padding: 0.45rem 1.1rem; border-radius: 999px; font-size: 0.78rem;
  font-weight: 500; cursor: pointer; border: 1px solid rgba(255,255,255,0.15);
  color: rgba(255,255,255,0.5); transition: all 0.2s; background: transparent;
}
.filter-tab.active,
.filter-tab:hover {
  background: var(--gold); color: var(--ink); border-color: var(--gold);
}

.course-card {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 4px; overflow: hidden;
  transition: border-color 0.3s, transform 0.3s;
  cursor: pointer;
  height: 100%;
}
.course-card:hover { border-color: var(--gold); transform: translateY(-4px); }

.course-card-featured {
  background: linear-gradient(135deg, rgba(232,184,75,0.15) 0%, rgba(42,157,143,0.1) 100%);
  border-color: rgba(232,184,75,0.3);
}

.course-header { padding: 1.8rem 1.8rem 1.2rem; }
.course-badge {
  font-size: 0.65rem; font-weight: 700; letter-spacing: 0.1em;
  text-transform: uppercase; padding: 0.3rem 0.8rem;
  border-radius: 2px; display: inline-block; margin-bottom: 1rem;
}
.badge-new  { background: var(--gold); color: var(--ink); }
.badge-hot  { background: var(--rust); color: #fff; }
.badge-pro  { background: var(--teal-light); color: #fff; }
.badge-free { background: rgba(255,255,255,0.1); color: rgba(255,255,255,0.6); border: 1px solid rgba(255,255,255,0.15); }

.course-title {
  font-family: 'Lexend', sans-serif; font-size: 1.1rem;
  font-weight: 800; line-height: 1.25; color: #fff;
  letter-spacing: -0.02em;
}
.course-card-featured .course-title { font-size: 1.4rem; }
.course-desc {
  font-size: 0.82rem; color: rgba(245,242,235,0.5);
  line-height: 1.6; margin-top: 0.6rem;
}
.course-divider { height: 1px; background: rgba(255,255,255,0.07); margin: 0 1.8rem; }
.course-footer {
  padding: 1.2rem 1.8rem;
  display: flex; justify-content: space-between; align-items: center;
  flex-wrap: wrap; gap: 0.8rem;
}
.course-meta { display: flex; gap: 1rem; flex-wrap: wrap; }
.course-meta-item { font-size: 0.72rem; color: rgba(245,242,235,0.4); }
.course-price {
  font-family: 'Lexend', sans-serif;
  font-weight: 800; font-size: 1.1rem; color: var(--gold);
}
.course-price.free { color: var(--teal-light); }

.enroll-btn {
  padding: 0.55rem 1.3rem; background: transparent;
  border: 1px solid rgba(255,255,255,0.2); border-radius: 2px;
  color: rgba(255,255,255,0.7); font-size: 0.78rem; font-weight: 500;
  cursor: pointer; transition: all 0.2s;
}
.course-card:hover .enroll-btn {
  background: var(--gold); border-color: var(--gold); color: var(--ink);
}

/* ─── CTA SECTION ─── */
.cta-section {
  background: var(--teal);
  padding: 7rem 0;
}
.cta-title {
  font-family: 'Lexend', sans-serif;
  font-size: clamp(2rem, 4vw, 3.5rem);
  font-weight: 800; color: #fff;
  letter-spacing: -0.04em; line-height: 1.05;
}
.cta-title em { font-style: normal; -webkit-text-stroke: 1.5px #fff; color: transparent; }
.cta-sub {
  font-size: 0.95rem; color: rgba(255,255,255,0.7);
  max-width: 300px; line-height: 1.6;
}

/* ─── FOOTER ─── */
.site-footer {
  background: var(--ink);
  padding: 4rem 0 2rem;
  color: rgba(245,242,235,0.4);
}
.footer-brand .logo { font-size: 1.3rem; color: var(--cream); display: block; margin-bottom: 1rem; }
.footer-desc { font-size: 0.83rem; line-height: 1.7; }
.footer-col-title {
  font-family: 'Lexend', sans-serif; font-size: 0.8rem; font-weight: 700;
  color: var(--cream); margin-bottom: 1.2rem; letter-spacing: 0.04em;
  text-transform: uppercase;
}
.footer-col ul { list-style: none; padding: 0; display: flex; flex-direction: column; gap: 0.7rem; }
.footer-col a {
  font-size: 0.82rem; color: rgba(245,242,235,0.4);
  text-decoration: none; transition: color 0.2s;
}
.footer-col a:hover { color: var(--gold); }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.07);
  padding-top: 2rem;
  font-size: 0.75rem;
}

/* ─── RESPONSIVE ─── */
@media (max-width: 991px) {
  .hero-left  { padding: 4rem 2rem; min-height: auto; }
  .hero-right { min-height: 60vw; }
}

@media (max-width: 767px) {
  .hero-right { display: none; }
  .hero-left  { min-height: 100vh; }
  #video, #blog, #courses { padding: 4rem 0; }
  .cta-section { padding: 4rem 0; }
}

/* ═══════════════════════════════════════════
   CÁC SECTION MỚI — bổ sung từ phân tích FPT Digital & Citek
   ═══════════════════════════════════════════ */

/* ─── SECTION WRAPPERS ─── */
.section-light  { background: var(--cream); padding: 6rem 0; }
.section-paper  { background: var(--paper); padding: 6rem 0; }
.section-dark   { background: var(--ink);   padding: 6rem 0; color: var(--cream); }
.section-desc   { font-size: 0.95rem; line-height: 1.7; color: var(--mid); max-width: 480px; margin: 0; }

/* ─── NAVBAR DROPDOWN ─── */
.btn-nav-outline {
  border: 1px solid var(--ink);
  color: var(--ink);
  padding: 0.48rem 1.2rem;
  border-radius: 2px;
  font-size: 0.82rem;
  font-weight: 500;
  text-decoration: none;
  transition: all 0.2s;
  white-space: nowrap;
}
.btn-nav-outline:hover { background: var(--ink); color: var(--cream); }

.dropdown-menu-vietdx {
  background: var(--ink);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 4px;
  padding: 0.5rem 0;
  min-width: 260px;
  box-shadow: 0 16px 40px rgba(0,0,0,0.3);
}
.dropdown-item-vietdx {
  display: flex;
  align-items: center;
  padding: 0.6rem 1.2rem;
  font-size: 0.85rem;
  color: rgba(255,255,255,0.65);
  text-decoration: none;
  transition: all 0.15s;
}
.dropdown-item-vietdx:hover { background: rgba(255,255,255,0.06); color: #fff; }
.dropdown-item-vietdx i { font-size: 0.85rem; color: var(--teal); }

/* ─── TRUST BAR ─── */
.trust-bar {
  background: var(--paper);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  padding: 2rem 0;
}
.trust-label {
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--mid);
  text-align: center;
  margin-bottom: 1.4rem;
}
.trust-logos {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 0.5rem 2.5rem;
}
.trust-logo-item {
  font-family: 'Lexend', sans-serif;
  font-weight: 700;
  font-size: 0.9rem;
  color: rgba(10,10,15,0.25);
  letter-spacing: -0.02em;
  transition: color 0.2s;
}
.trust-logo-item:hover { color: rgba(10,10,15,0.55); }

/* ─── DỊCH VỤ ─── */
.service-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 2rem 1.8rem;
  height: 100%;
  transition: box-shadow 0.3s, transform 0.3s, border-color 0.3s;
}
.service-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 48px rgba(0,0,0,0.08);
  border-color: var(--teal);
}
.service-icon {
  width: 52px; height: 52px;
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.4rem;
  margin-bottom: 1.2rem;
}
.service-title {
  font-family: 'Lexend', sans-serif;
  font-size: 1rem; font-weight: 700;
  margin-bottom: 0.7rem; line-height: 1.3;
}
.service-desc { font-size: 0.85rem; color: var(--mid); line-height: 1.6; margin-bottom: 1rem; }
.service-list {
  list-style: none; padding: 0; margin: 0 0 1.2rem;
  display: flex; flex-direction: column; gap: 0.45rem;
}
.service-list li {
  font-size: 0.8rem; color: var(--mid);
  padding-left: 1.1rem; position: relative;
}
.service-list li::before {
  content: '—';
  position: absolute; left: 0;
  color: var(--teal); font-size: 0.7rem;
}
.service-link {
  font-size: 0.8rem; font-weight: 600;
  color: var(--teal); text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s;
}
.service-link:hover { border-color: var(--teal); }

/* ─── PHƯƠNG PHÁP ─── */
.method-bar {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 2.5rem;
}
.method-bar-label { padding-right: 3rem; border-right: 1px solid var(--line); }
.method-steps {
  display: flex; align-items: flex-start;
  gap: 0.5rem;
  padding-left: 2.5rem;
  flex-wrap: wrap;
}
.method-step { flex: 1; min-width: 120px; }
.method-num {
  font-family: 'Lexend', sans-serif;
  font-size: 1.6rem; font-weight: 800;
  color: rgba(10,10,15,0.1); line-height: 1;
  margin-bottom: 0.3rem;
}
.method-name {
  font-family: 'Lexend', sans-serif;
  font-size: 0.9rem; font-weight: 700;
  margin-bottom: 0.3rem;
}
.method-desc { font-size: 0.75rem; color: var(--mid); line-height: 1.4; }
.method-arrow {
  color: var(--line);
  font-size: 1.2rem;
  padding-top: 1.2rem;
  flex-shrink: 0;
}

@media (max-width: 991px) {
  .method-bar-label { border-right: none; border-bottom: 1px solid var(--line); padding-right: 0; padding-bottom: 1.5rem; margin-bottom: 1.5rem; }
  .method-steps { padding-left: 0; }
}

/* ─── LĨNH VỰC ─── */
.industry-card {
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 6px;
  padding: 1.8rem 1.4rem;
  text-align: center;
  cursor: pointer;
  transition: all 0.25s;
}
.industry-card:hover {
  background: rgba(255,255,255,0.09);
  border-color: var(--gold);
  transform: translateY(-3px);
}
.industry-card-more {
  border-color: rgba(232,184,75,0.25);
  background: rgba(232,184,75,0.05);
}
.industry-icon {
  font-size: 1.8rem; color: var(--gold);
  margin-bottom: 0.8rem;
  display: flex; align-items: center; justify-content: center;
}
.industry-name {
  font-family: 'Lexend', sans-serif;
  font-size: 0.85rem; font-weight: 700;
  color: #fff; line-height: 1.3;
  margin-bottom: 0.4rem;
}
.industry-count {
  font-size: 0.7rem; color: rgba(255,255,255,0.4);
  font-weight: 500; letter-spacing: 0.04em;
}

/* ─── CASE STUDY ─── */
.case-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 2rem;
  display: flex; flex-direction: column;
  transition: box-shadow 0.3s, transform 0.3s;
}
.case-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 36px rgba(0,0,0,0.08);
}
.case-card-featured {
  background: linear-gradient(145deg, var(--ink) 0%, var(--teal) 100%);
  color: #fff;
  border-color: transparent;
}
.case-tag {
  display: inline-block;
  font-size: 0.65rem; font-weight: 700;
  letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--teal); margin-bottom: 0.8rem;
}
.case-card-featured .case-tag { color: var(--gold); }
.case-title {
  font-family: 'Lexend', sans-serif;
  font-size: 1rem; font-weight: 700;
  line-height: 1.3; margin-bottom: 0.8rem;
}
.case-card-featured .case-title { font-size: 1.2rem; color: #fff; }
.case-desc { font-size: 0.83rem; color: var(--mid); line-height: 1.6; flex: 1; }
.case-card-featured .case-desc { color: rgba(255,255,255,0.65); }

.case-results {
  display: flex; gap: 1.5rem;
  margin: 1.8rem 0; padding: 1.5rem 0;
  border-top: 1px solid rgba(255,255,255,0.15);
  border-bottom: 1px solid rgba(255,255,255,0.15);
  flex-wrap: wrap;
}
.case-result-num {
  font-family: 'Lexend', sans-serif;
  font-size: 1.5rem; font-weight: 800;
  color: var(--gold); line-height: 1;
}
.case-result-label { font-size: 0.72rem; color: rgba(255,255,255,0.55); margin-top: 0.3rem; }

.case-results-mini {
  display: flex; flex-wrap: wrap; gap: 0.4rem;
  margin: 1rem 0;
}
.case-kpi {
  background: rgba(26,107,107,0.1);
  color: var(--teal);
  font-size: 0.7rem; font-weight: 700;
  padding: 0.25rem 0.6rem; border-radius: 2px;
  letter-spacing: 0.03em;
}
.case-footer {
  display: flex; justify-content: space-between; align-items: center;
  margin-top: auto; padding-top: 1.2rem;
  border-top: 1px solid var(--line);
  gap: 0.5rem; flex-wrap: wrap;
}
.case-card-featured .case-footer { border-color: rgba(255,255,255,0.15); }
.case-meta { font-size: 0.7rem; color: var(--mid); }
.case-card-featured .case-meta { color: rgba(255,255,255,0.45); }
.case-link {
  font-size: 0.78rem; font-weight: 600;
  color: var(--teal); text-decoration: none;
  white-space: nowrap; transition: color 0.2s;
}
.case-card-featured .case-link { color: var(--gold); }
.case-link:hover { color: var(--ink); }

/* ─── ĐỘI NGŨ CHUYÊN GIA ─── */
.expert-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 2rem 1.6rem;
  text-align: center;
  transition: box-shadow 0.3s, transform 0.3s;
}
.expert-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 14px 40px rgba(0,0,0,0.08);
}
.expert-avatar {
  width: 72px; height: 72px;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-family: 'Lexend', sans-serif;
  font-weight: 800; font-size: 1.2rem;
  color: #fff;
  margin: 0 auto 1.2rem;
}
.expert-name {
  font-family: 'Lexend', sans-serif;
  font-size: 1rem; font-weight: 700;
  margin-bottom: 0.3rem;
}
.expert-title {
  font-size: 0.75rem; color: var(--teal);
  font-weight: 600; margin-bottom: 0.9rem;
}
.expert-bio { font-size: 0.8rem; color: var(--mid); line-height: 1.6; margin-bottom: 1rem; }
.expert-tags {
  display: flex; flex-wrap: wrap; justify-content: center; gap: 0.3rem;
  margin-bottom: 1.2rem;
}
.expert-tag {
  font-size: 0.65rem; font-weight: 600;
  background: rgba(26,107,107,0.08);
  color: var(--teal);
  padding: 0.2rem 0.6rem; border-radius: 2px;
}
.expert-stats {
  display: flex; justify-content: center; gap: 1.2rem;
  font-size: 0.75rem; color: var(--mid);
}
.expert-stats i { margin-right: 0.3rem; }

/* ─── FORM TƯ VẤN ─── */
.consult-features { display: flex; flex-direction: column; gap: 0.9rem; }
.consult-feature {
  display: flex; align-items: flex-start; gap: 0.8rem;
  font-size: 0.88rem; color: rgba(255,255,255,0.7);
  line-height: 1.5;
}
.consult-feature-icon {
  width: 22px; height: 22px; border-radius: 50%;
  background: var(--teal); color: #fff;
  display: flex; align-items: center; justify-content: center;
  font-size: 0.7rem; flex-shrink: 0; margin-top: 1px;
}
.consult-quote {
  font-size: 0.9rem; line-height: 1.7;
  color: rgba(255,255,255,0.7);
  font-style: italic;
  padding-left: 1.2rem;
  border-left: 2px solid var(--gold);
}
.consult-testimonial { padding-top: 2rem; border-top: 1px solid rgba(255,255,255,0.1); }

.consult-form-card {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 8px;
  padding: 2.5rem;
}
.consult-form-title {
  font-family: 'Lexend', sans-serif;
  font-size: 1.2rem; font-weight: 700;
  color: #fff; margin-bottom: 0.3rem;
}
.consult-form-sub { font-size: 0.82rem; color: rgba(255,255,255,0.45); }

.form-label-custom {
  font-size: 0.78rem; font-weight: 600;
  color: rgba(255,255,255,0.6);
  display: block; margin-bottom: 0.4rem;
  letter-spacing: 0.02em;
}
.form-input-custom {
  width: 100%;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 3px;
  padding: 0.65rem 1rem;
  font-size: 0.88rem;
  color: #fff;
  font-family: 'Be Vietnam Pro', Arial, sans-serif;
  transition: border-color 0.2s, background 0.2s;
  outline: none;
}
.form-input-custom::placeholder { color: rgba(255,255,255,0.25); }
.form-input-custom:focus {
  border-color: var(--teal);
  background: rgba(255,255,255,0.09);
}
.form-input-custom option { background: #1a1a1f; color: #fff; }

.btn-submit-form {
  width: 100%;
  background: var(--gold); color: var(--ink);
  padding: 0.9rem 2rem;
  font-size: 0.9rem; font-weight: 700;
  border: none; cursor: pointer; border-radius: 3px;
  font-family: 'Lexend', sans-serif;
  transition: transform 0.2s, box-shadow 0.2s, background 0.2s;
  display: flex; align-items: center; justify-content: center; gap: 0.5rem;
}
.btn-submit-form:hover {
  background: var(--gold-dim);
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(232,184,75,0.3);
}

/* ─── CTA OUTLINE BUTTON ─── */
.btn-cta-outline {
  background: transparent;
  color: #fff;
  border: 1.5px solid rgba(255,255,255,0.5);
  padding: 0.9rem 2rem;
  font-size: 0.9rem; font-weight: 600;
  border-radius: 2px; cursor: pointer;
  font-family: 'Lexend', sans-serif;
  text-decoration: none; display: inline-block;
  transition: border-color 0.2s, color 0.2s;
}
.btn-cta-outline:hover { border-color: #fff; color: #fff; }

/* ─── FOOTER MỞ RỘNG ─── */
.footer-socials { display: flex; gap: 0.8rem; }
.footer-social-link {
  width: 34px; height: 34px;
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 4px;
  display: flex; align-items: center; justify-content: center;
  color: rgba(255,255,255,0.4);
  text-decoration: none; font-size: 0.9rem;
  transition: all 0.2s;
}
.footer-social-link:hover { border-color: var(--gold); color: var(--gold); }

.footer-contact { display: flex; flex-direction: column; gap: 0.5rem; }
.footer-contact-item {
  font-size: 0.78rem; color: rgba(245,242,235,0.35);
  display: flex; align-items: center; gap: 0.5rem;
}
.footer-contact-item i { color: var(--teal); font-size: 0.8rem; }


/* ═══════════════════════════════════════════
   NỀN TẢNG PHẦN MỀM — SAP / Oracle / Dynamics / Odoo / ERPNext
   ═══════════════════════════════════════════ */

/* ─── Platform card ─── */
.platform-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 2rem 1.8rem;
  height: 100%;
  display: flex;
  flex-direction: column;
  gap: 0;
  transition: box-shadow 0.3s, transform 0.3s, border-color 0.3s;
  position: relative;
  overflow: hidden;
}
.platform-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  border-radius: 8px 8px 0 0;
}
.platform-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 48px rgba(0,0,0,0.1);
}

/* Accent màu riêng từng nền tảng */
.platform-sap::before    { background: #0070ad; }
.platform-oracle::before { background: #c74634; }
.platform-ms::before     { background: linear-gradient(90deg,#f25022,#7fba00,#00a4ef,#ffb900); }
.platform-odoo::before   { background: #714b67; }
.platform-erpnext::before{ background: #0089ff; }
.platform-compare::before{ background: linear-gradient(90deg, var(--teal), var(--gold)); }

.platform-sap:hover    { border-color: #0070ad; }
.platform-oracle:hover { border-color: #c74634; }
.platform-ms:hover     { border-color: #00a4ef; }
.platform-odoo:hover   { border-color: #714b67; }
.platform-erpnext:hover{ border-color: #0089ff; }
.platform-compare:hover{ border-color: var(--teal); }

/* ─── Logo area ─── */
.platform-logo-wrap {
  height: 56px;
  display: flex;
  align-items: center;
  margin-bottom: 1.2rem;
}
.platform-logo-text {
  line-height: 1.1;
  font-family: 'Lexend', sans-serif;
}
.platform-logo-ms {
  font-size: 1.1rem;
  line-height: 1;
  letter-spacing: 2px;
}

/* ─── Platform content ─── */
.platform-name {
  font-family: 'Lexend', sans-serif;
  font-size: 1.05rem;
  font-weight: 800;
  color: var(--ink);
  margin-bottom: 0.4rem;
  line-height: 1.2;
}
.platform-tagline {
  font-size: 0.82rem;
  color: var(--mid);
  line-height: 1.5;
  margin-bottom: 1.2rem;
}

/* ─── Product list ─── */
.platform-products {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin-bottom: 1.2rem;
  flex: 1;
}
.platform-product-item {
  font-size: 0.8rem;
  color: var(--ink);
  display: flex;
  align-items: baseline;
  gap: 0.5rem;
  line-height: 1.4;
}
.platform-product-item i {
  color: var(--teal);
  font-size: 0.75rem;
  flex-shrink: 0;
  margin-top: 2px;
}

/* ─── Meta badge ─── */
.platform-meta { margin-bottom: 1.4rem; }
.platform-badge {
  display: inline-block;
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  background: rgba(26,107,107,0.08);
  color: var(--teal);
  padding: 0.25rem 0.7rem;
  border-radius: 2px;
}

/* ─── Card links ─── */
.platform-link {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--teal);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s;
  display: inline-block;
  margin-top: auto;
}
.platform-link:hover { border-color: var(--teal); color: var(--teal); }

/* ─── Compare card variant ─── */
.platform-compare { background: linear-gradient(145deg, var(--cream), #fff); }
.platform-compare-list {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  margin-bottom: 1.4rem;
  flex: 1;
}
.platform-compare-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.8rem;
  padding: 0.5rem 0.7rem;
  background: rgba(26,107,107,0.05);
  border-radius: 3px;
  color: var(--mid);
}
.platform-compare-val {
  color: var(--teal);
  font-weight: 600;
  font-size: 0.75rem;
}
.platform-link-cta {
  display: inline-block;
  background: var(--teal);
  color: #fff;
  padding: 0.65rem 1.2rem;
  border-radius: 3px;
  font-size: 0.8rem;
  font-weight: 600;
  text-decoration: none;
  transition: background 0.2s, transform 0.2s;
  margin-top: auto;
  text-align: center;
}
.platform-link-cta:hover {
  background: var(--ink);
  color: #fff;
  transform: translateY(-1px);
}

/* ─── Comparison table ─── */
.platform-compare-table {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 8px;
  overflow: hidden;
}
.pct-header {
  padding: 1rem 1.8rem;
  font-family: 'Lexend', sans-serif;
  font-size: 0.85rem;
  font-weight: 700;
  background: var(--ink);
  color: var(--cream);
  letter-spacing: 0.02em;
}
.pct-scroll { overflow-x: auto; }
.pct-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.82rem;
  min-width: 600px;
}
.pct-table thead tr {
  background: var(--paper);
}
.pct-table th {
  padding: 0.85rem 1.2rem;
  text-align: left;
  font-family: 'Lexend', sans-serif;
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--ink);
  border-bottom: 1px solid var(--line);
  white-space: nowrap;
}
.pct-table th:first-child { color: var(--mid); font-weight: 600; }
.pct-table td {
  padding: 0.75rem 1.2rem;
  color: var(--mid);
  border-bottom: 1px solid var(--line);
}
.pct-table tr:last-child td { border-bottom: none; }
.pct-table tr:hover td { background: rgba(26,107,107,0.03); }
.pct-table td:first-child {
  font-weight: 600;
  color: var(--ink);
  white-space: nowrap;
}

/* Cost colour coding */
.pct-high { color: #c1440e !important; font-weight: 600; }
.pct-mid  { color: #e8b84b !important; font-weight: 600; }
.pct-low  { color: var(--teal-light) !important; font-weight: 600; }
.pct-free {
  color: #fff !important;
  background: var(--teal) !important;
  font-weight: 700;
  border-radius: 2px;
  padding: 0.15rem 0.5rem;
  display: inline-block;
}


/* ═══════════════════════════════════════════
   INNER PAGES — shared styles
   ═══════════════════════════════════════════ */

/* ─── Page hero (breadcrumb + title) ─── */
.page-hero {
  padding: 7rem 0 4rem;
  background: var(--ink);
  position: relative;
  overflow: hidden;
}
.page-hero::after {
  content: '';
  position: absolute; inset: 0;
  background: radial-gradient(ellipse at 70% 50%, rgba(26,107,107,0.25) 0%, transparent 65%);
  pointer-events: none;
}
.page-hero .container-xl { position: relative; z-index: 1; }
.breadcrumb-vietdx {
  display: flex; align-items: center; gap: 0.5rem;
  font-size: 0.75rem; color: rgba(255,255,255,0.4);
  margin-bottom: 1.5rem; list-style: none; padding: 0;
}
.breadcrumb-vietdx a { color: rgba(255,255,255,0.4); text-decoration: none; transition: color .2s; }
.breadcrumb-vietdx a:hover { color: var(--gold); }
.breadcrumb-vietdx li + li::before { content: '/'; margin-right: 0.5rem; }
.breadcrumb-vietdx li:last-child { color: rgba(255,255,255,0.75); }

.page-hero-tag {
  display: inline-block;
  font-size: 0.7rem; font-weight: 700; letter-spacing: 0.1em;
  text-transform: uppercase; color: var(--gold);
  border: 1px solid rgba(232,184,75,0.35);
  padding: 0.3rem 0.9rem; border-radius: 2px;
  margin-bottom: 1.2rem;
}
.page-hero-title {
  font-family: 'Lexend', sans-serif;
  font-size: clamp(2rem, 4vw, 3.2rem);
  font-weight: 800; color: #fff;
  letter-spacing: -0.03em; line-height: 1.1;
  max-width: 680px; margin-bottom: 1.2rem;
}
.page-hero-title em { font-style: normal; color: var(--gold); }
.page-hero-desc {
  font-size: 1rem; color: rgba(255,255,255,0.6);
  line-height: 1.7; max-width: 560px; margin-bottom: 2rem;
}
.page-hero-actions { display: flex; gap: 1rem; flex-wrap: wrap; }
.page-hero-stats {
  display: flex; gap: 3rem; flex-wrap: wrap;
  margin-top: 3rem; padding-top: 2rem;
  border-top: 1px solid rgba(255,255,255,0.1);
}
.page-hero-stat-num {
  font-family: 'Lexend', sans-serif;
  font-size: 1.8rem; font-weight: 800;
  color: var(--gold); line-height: 1;
}
.page-hero-stat-label {
  font-size: 0.75rem; color: rgba(255,255,255,0.45);
  margin-top: 0.3rem; text-transform: uppercase; letter-spacing: 0.05em;
}

/* ─── Sidebar nav (trang chi tiết dịch vụ / giải pháp) ─── */
.sidebar-nav {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 1.5rem;
  position: sticky; top: 90px;
}
.sidebar-nav-title {
  font-family: 'Lexend', sans-serif;
  font-size: 0.75rem; font-weight: 700;
  text-transform: uppercase; letter-spacing: 0.08em;
  color: var(--mid); margin-bottom: 1rem;
}
.sidebar-nav ul { list-style: none; padding: 0; margin: 0; }
.sidebar-nav ul li + li { margin-top: 0.2rem; }
.sidebar-nav ul a {
  display: flex; align-items: center; gap: 0.6rem;
  padding: 0.55rem 0.8rem;
  font-size: 0.85rem; font-weight: 500;
  color: var(--mid); text-decoration: none;
  border-radius: 4px; transition: all 0.2s;
}
.sidebar-nav ul a:hover,
.sidebar-nav ul a.active {
  background: #fff; color: var(--teal);
  box-shadow: 0 1px 4px rgba(0,0,0,0.06);
}
.sidebar-nav ul a i { font-size: 0.8rem; color: var(--teal); }
.sidebar-cta {
  margin-top: 1.5rem; padding-top: 1.5rem;
  border-top: 1px solid var(--line);
}
.sidebar-cta-title { font-size: 0.85rem; font-weight: 600; margin-bottom: 0.5rem; }
.sidebar-cta-desc { font-size: 0.78rem; color: var(--mid); margin-bottom: 1rem; line-height: 1.5; }
.sidebar-cta-btn {
  display: block; text-align: center;
  background: var(--teal); color: #fff;
  padding: 0.65rem; border-radius: 3px;
  font-size: 0.82rem; font-weight: 600;
  text-decoration: none; transition: background 0.2s;
}
.sidebar-cta-btn:hover { background: var(--ink); color: #fff; }

/* ─── Content blocks ─── */
.content-block { padding: 4rem 0; }
.content-block + .content-block { border-top: 1px solid var(--line); }
.content-h2 {
  font-family: 'Lexend', sans-serif;
  font-size: 1.6rem; font-weight: 800;
  letter-spacing: -0.02em; margin-bottom: 1rem;
}
.content-h3 {
  font-family: 'Lexend', sans-serif;
  font-size: 1.1rem; font-weight: 700;
  margin-bottom: 0.6rem;
}
.content-p { font-size: 0.95rem; color: var(--mid); line-height: 1.8; margin-bottom: 1rem; }
.content-list { list-style: none; padding: 0; margin: 0 0 1.5rem; }
.content-list li {
  padding: 0.5rem 0 0.5rem 1.5rem;
  position: relative;
  font-size: 0.9rem; color: var(--mid);
  border-bottom: 1px solid var(--line); line-height: 1.5;
}
.content-list li::before {
  content: '→';
  position: absolute; left: 0;
  color: var(--teal); font-size: 0.8rem;
}
.content-list li:last-child { border-bottom: none; }

/* ─── Feature grid ─── */
.feature-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 1.5rem; margin: 2rem 0; }
.feature-item {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 6px; padding: 1.5rem;
  transition: box-shadow 0.2s;
}
.feature-item:hover { box-shadow: 0 6px 20px rgba(0,0,0,0.06); }
.feature-item-icon {
  width: 44px; height: 44px; border-radius: 8px;
  background: rgba(26,107,107,0.1);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.2rem; color: var(--teal);
  margin-bottom: 1rem;
}
.feature-item-title { font-family: 'Lexend', sans-serif; font-size: 0.95rem; font-weight: 700; margin-bottom: 0.4rem; }
.feature-item-desc { font-size: 0.82rem; color: var(--mid); line-height: 1.6; }

/* ─── Process steps ─── */
.process-steps { display: flex; flex-direction: column; gap: 0; margin: 2rem 0; }
.process-step {
  display: flex; gap: 1.5rem;
  padding: 1.8rem 0; border-bottom: 1px solid var(--line);
}
.process-step:last-child { border-bottom: none; }
.process-step-num {
  font-family: 'Lexend', sans-serif;
  font-size: 2rem; font-weight: 800;
  color: rgba(10,10,15,0.08); flex-shrink: 0;
  width: 60px; line-height: 1;
}
.process-step-content { flex: 1; }
.process-step-title { font-family: 'Lexend', sans-serif; font-size: 1rem; font-weight: 700; margin-bottom: 0.4rem; }
.process-step-desc { font-size: 0.85rem; color: var(--mid); line-height: 1.6; }

/* ─── Result metrics ─── */
.result-metrics { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 1rem; margin: 2rem 0; }
.result-metric {
  background: var(--ink); color: #fff;
  border-radius: 6px; padding: 1.5rem;
  text-align: center;
}
.result-metric-num {
  font-family: 'Lexend', sans-serif;
  font-size: 2rem; font-weight: 800;
  color: var(--gold); line-height: 1;
}
.result-metric-label { font-size: 0.75rem; color: rgba(255,255,255,0.5); margin-top: 0.4rem; }

/* ─── FAQ ─── */
.faq-list { margin: 2rem 0; }
.faq-item {
  border: 1px solid var(--line);
  border-radius: 4px; margin-bottom: 0.5rem;
  overflow: hidden;
}
.faq-question {
  padding: 1.1rem 1.4rem;
  font-size: 0.92rem; font-weight: 600;
  cursor: pointer; display: flex; justify-content: space-between; align-items: center;
  background: #fff; transition: background 0.2s;
}
.faq-question:hover { background: var(--paper); }
.faq-question::after { content: '+'; font-size: 1.2rem; color: var(--teal); flex-shrink: 0; }
.faq-item.open .faq-question { background: var(--paper); }
.faq-item.open .faq-question::after { content: '−'; }
.faq-answer {
  max-height: 0; overflow: hidden;
  transition: max-height 0.3s ease;
}
.faq-item.open .faq-answer { max-height: 400px; }
.faq-answer-inner { padding: 0 1.4rem 1.2rem; font-size: 0.88rem; color: var(--mid); line-height: 1.7; }

/* ─── Tabs ─── */
.tabs-wrapper { margin: 2rem 0; }
.tab-btns { display: flex; gap: 0.3rem; flex-wrap: wrap; border-bottom: 2px solid var(--line); margin-bottom: 2rem; }
.tab-btn {
  padding: 0.65rem 1.4rem; font-size: 0.85rem; font-weight: 600;
  border: none; background: transparent; cursor: pointer;
  color: var(--mid); border-bottom: 2px solid transparent;
  margin-bottom: -2px; transition: all 0.2s; border-radius: 4px 4px 0 0;
}
.tab-btn:hover { color: var(--ink); }
.tab-btn.active { color: var(--teal); border-bottom-color: var(--teal); }
.tab-pane { display: none; }
.tab-pane.active { display: block; }

/* ─── Testimonial card ─── */
.testimonial-card {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 6px; padding: 2rem;
  border-left: 3px solid var(--teal);
}
.testimonial-quote { font-size: 0.95rem; line-height: 1.8; color: var(--ink); font-style: italic; margin-bottom: 1.4rem; }
.testimonial-quote::before { content: '"'; color: var(--teal); font-size: 1.5rem; font-family: 'Lexend',sans-serif; }

/* ─── Related pages cards ─── */
.related-card {
  background: #fff; border: 1px solid var(--line); border-radius: 6px;
  padding: 1.5rem; display: flex; flex-direction: column;
  transition: box-shadow 0.2s, transform 0.2s;
}
.related-card:hover { transform: translateY(-3px); box-shadow: 0 8px 24px rgba(0,0,0,0.07); }
.related-card-tag { font-size: 0.65rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.08em; color: var(--teal); margin-bottom: 0.6rem; }
.related-card-title { font-family: 'Lexend',sans-serif; font-size: 0.95rem; font-weight: 700; margin-bottom: 0.5rem; line-height: 1.3; flex: 1; }
.related-card-link { font-size: 0.8rem; font-weight: 600; color: var(--teal); text-decoration: none; margin-top: 1rem; }

/* ─── Page nav active ─── */
.nav-link-custom.active { color: var(--ink) !important; }


/* ─── Industry card clickable wrapper ─── */
.industry-card-link {
  text-decoration: none;
  color: inherit;
  display: block;
}
.industry-card-link:hover .industry-card {
  transform: translateY(-4px);
  box-shadow: 0 12px 32px rgba(0,0,0,0.12);
  border-color: var(--teal);
}

/* ─── Blog item title link ─── */
.blog-item-title-link {
  text-decoration: none;
  color: inherit;
}
.blog-item-title-link:hover .blog-item-title {
  color: var(--teal);
}

/* ══════════════════════════════════════════════
   TÁI CẤU TRÚC DOANH NGHIỆP — Homepage section
   ══════════════════════════════════════════════ */

/* Stats strip */
.restr-stats {
  display: flex; gap: 2rem; flex-wrap: wrap;
}
.restr-num {
  font-family: 'Lexend', sans-serif;
  font-size: 1.7rem; font-weight: 800;
  color: var(--teal); line-height: 1;
  margin-bottom: 0.25rem;
}
.restr-label {
  font-size: 0.75rem; color: var(--mid);
}

/* Pillar cards */
.restr-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 1.5rem;
  height: 100%;
  transition: box-shadow 0.25s, transform 0.25s, border-color 0.25s;
}
.restr-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 14px 40px rgba(0,0,0,0.08);
  border-color: var(--teal);
}
.restr-card-wide {
  display: flex; align-items: flex-start; gap: 1.2rem;
  background: linear-gradient(135deg, rgba(232,184,75,0.06) 0%, rgba(26,107,107,0.06) 100%);
  border-color: rgba(232,184,75,0.3);
}
.restr-card-icon {
  font-size: 1.5rem;
  color: var(--teal);
  margin-bottom: 0.8rem;
  flex-shrink: 0;
}
.restr-card-wide .restr-card-icon { margin-bottom: 0; margin-top: 0.1rem; }
.restr-card-title {
  font-family: 'Lexend', sans-serif;
  font-size: 0.92rem; font-weight: 700;
  color: var(--ink); margin-bottom: 0.4rem;
}
.restr-card-desc {
  font-size: 0.82rem; color: var(--mid); line-height: 1.6;
}
