/* ==========================================================
   Hưng Thịnh Solution — Design System
   Hướng: tối, hiện đại, CHUYÊN NGHIỆP & ĐÁNG TIN CẬY.
   (Đã giảm tông từ bản cyberpunk: bỏ CRT scanline, glitch,
    glow gắt, tiếng lóng hacker — giữ nét tech tinh tế.)
   ========================================================== */

:root {
  /* Brand */
  --c-navy:        #003366;
  --c-navy-light:  #004C99;
  --c-red:         #CC0000;
  --c-red-soft:    #E11D2E;
  --c-blue:        #2563EB;
  --c-blue-soft:   #5B8DEF;

  /* Nền tối chuyên nghiệp (sáng hơn bản cũ #030A16) */
  --c-bg:          #0B1A2F;
  --c-surface:     #10243D;
  --c-surface-2:   #16304F;
  --c-border:      #1E3A5F;
  --c-border-soft: #24466F;

  /* Chữ */
  --c-text:        #EAF2FB;
  --c-text-muted:  #A8BDD6;
  --c-text-dim:    #7D97B4;
  --c-white:       #FFFFFF;

  /* Semantic (thông báo) */
  --c-success-bg:     rgba(22, 163, 74, 0.14);
  --c-success-border: rgba(22, 163, 74, 0.5);
  --c-success-text:   #86EFAC;
  --c-error-bg:       rgba(204, 0, 0, 0.14);
  --c-error-border:   rgba(204, 0, 0, 0.5);
  --c-error-text:     #FF8A8A;

  /* Nền mờ / gradient / đổ bóng */
  --c-header-bg:    rgba(11, 26, 47, 0.92);
  --c-grad-panel:   linear-gradient(135deg, rgba(0, 51, 102, 0.45) 0%, rgba(16, 36, 61, 0.3) 100%);
  --c-grad-accent:  linear-gradient(135deg, rgba(0, 51, 102, 0.6), rgba(16, 36, 61, 0.4));
  --shadow-red:     0 4px 14px rgba(204, 0, 0, 0.25);
  --shadow-red-lg:  0 6px 20px rgba(204, 0, 0, 0.35);
  --shadow-blue-lg: 0 8px 24px rgba(37, 99, 235, 0.35);
  --ring-focus:     0 0 0 3px rgba(37, 99, 235, 0.22);

  --font-main: 'Be Vietnam Pro', sans-serif;

  --radius:    10px;
  --radius-sm: 8px;
  --shadow:    0 6px 24px rgba(0, 0, 0, 0.3);
  --maxw:      1200px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

/* Skip-link cho người dùng bàn phím / trình đọc màn hình */
.skip-link {
  position: absolute;
  left: 8px;
  top: -60px;
  z-index: 2000;
  padding: 10px 16px;
  background: var(--c-red);
  color: var(--c-white);
  border-radius: var(--radius-sm);
  font-weight: 600;
  transition: top 0.2s;
}
.skip-link:focus { top: 8px; }

body {
  font-family: var(--font-main);
  background-color: var(--c-bg);
  color: var(--c-text);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

a { text-decoration: none; color: inherit; }
ul { list-style: none; }
img { max-width: 100%; height: auto; display: block; }

/* Chống tràn ngang do chữ dài / phần tử con */
h1, h2, h3, h4, p, li, span, a { overflow-wrap: anywhere; }

.container {
  width: 100%;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 20px;
}
@media (min-width: 768px) { .container { padding: 0 30px; } }

/* Ai dùng bàn phím vẫn thấy rõ điểm focus */
a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
  outline: 3px solid var(--c-blue-soft);
  outline-offset: 2px;
  border-radius: 4px;
}

/* Tôn trọng người tắt hiệu ứng chuyển động */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
}

/* ----------------------------------
   Nút
----------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 13px 26px;
  font-family: var(--font-main);
  font-size: 1rem;
  font-weight: 600;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  cursor: pointer;
  transition: background 0.2s, border-color 0.2s, transform 0.15s, box-shadow 0.2s;
  text-align: center;
}
.btn:hover { transform: translateY(-2px); }

/* Chính — đỏ thương hiệu */
.btn-primary {
  background: var(--c-red);
  color: var(--c-white);
  box-shadow: var(--shadow-red);
}
.btn-primary:hover { background: var(--c-red-soft); box-shadow: var(--shadow-red-lg); }

/* Phụ — viền xanh */
.btn-secondary {
  background: transparent;
  color: var(--c-text);
  border-color: var(--c-border-soft);
}
.btn-secondary:hover { border-color: var(--c-blue); background: rgba(37, 99, 235, 0.12); }

.btn-sm { padding: 9px 18px; font-size: 0.92rem; }

/* ----------------------------------
   Header + điều hướng (có hamburger)
----------------------------------- */
.site-header {
  position: fixed;
  top: 0; left: 0;
  width: 100%;
  z-index: 1000;
  background: var(--c-header-bg);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--c-border);
}
.header-inner {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 12px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
@media (min-width: 768px) { .header-inner { padding: 12px 30px; } }

.logo {
  display: flex;
  align-items: center;
  flex-shrink: 0;
}
.logo img {
  height: 79.2px;
  width: auto;
  display: block;
}

/* Nút hamburger — chỉ hiện trên mobile */
.nav-toggle {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  padding: 10px;
  background: transparent;
  border: 1px solid var(--c-border-soft);
  border-radius: var(--radius-sm);
  cursor: pointer;
}
.nav-toggle span {
  display: block;
  height: 2px;
  width: 100%;
  background: var(--c-text);
  border-radius: 2px;
  transition: transform 0.25s, opacity 0.2s;
}
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* --- Mobile: panel trượt xuống --- */
.main-nav {
  position: fixed;
  top: 69px;
  left: 0;
  width: 100%;
  max-height: calc(100vh - 69px);
  overflow-y: auto;
  background: var(--c-surface);
  border-bottom: 1px solid var(--c-border);
  padding: 12px 20px 24px;
  display: none;
  flex-direction: column;
  gap: 2px;
}
.main-nav.is-open { display: flex; }

.nav-link {
  display: block;
  padding: 13px 12px;
  font-size: 1rem;
  font-weight: 600;
  color: var(--c-text-muted);
  border-radius: var(--radius-sm);
  transition: background 0.2s, color 0.2s;
}
.nav-link:hover,
.nav-link[aria-current="page"] { color: var(--c-text); background: rgba(37, 99, 235, 0.14); }

/* Nhóm "Dịch vụ" — trên mobile luôn xổ ra dạng danh sách con */
.nav-group > .nav-group-label {
  display: block;
  padding: 13px 12px 6px;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 1.2px;
  text-transform: uppercase;
  color: var(--c-text-dim);
}
.nav-sub { display: flex; flex-direction: column; gap: 2px; padding-left: 8px; }
.nav-sub .nav-link { font-weight: 500; font-size: 0.95rem; }

.nav-cta { margin-top: 14px; }
.nav-cta .btn { width: 100%; }

/* --- Desktop: nav ngang + dropdown --- */
@media (min-width: 1024px) {
  .nav-toggle { display: none; }

  .main-nav {
    position: static;
    display: flex;
    flex-direction: row;
    align-items: center;
    gap: 4px;
    width: auto;
    max-height: none;
    overflow: visible;
    background: transparent;
    border: none;
    padding: 0;
  }
  .nav-link { padding: 9px 13px; font-size: 0.95rem; }

  .nav-group { position: relative; }
  .nav-group > .nav-group-label {
    padding: 9px 13px;
    font-size: 0.95rem;
    font-weight: 600;
    letter-spacing: 0;
    text-transform: none;
    color: var(--c-text-muted);
    border-radius: var(--radius-sm);
    cursor: default;
  }
  .nav-group:hover > .nav-group-label { color: var(--c-text); background: rgba(37, 99, 235, 0.14); }
  .nav-group > .nav-group-label::after { content: ' ▾'; font-size: 0.8em; }

  .nav-sub {
    position: absolute;
    top: 100%;
    left: 0;
    min-width: 230px;
    padding: 8px;
    background: var(--c-surface);
    border: 1px solid var(--c-border);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    opacity: 0;
    visibility: hidden;
    transform: translateY(6px);
    transition: opacity 0.2s, transform 0.2s, visibility 0.2s;
  }
  .nav-group:hover .nav-sub,
  .nav-group:focus-within .nav-sub {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
  }
  .nav-cta { margin-top: 0; margin-left: 10px; }
  .nav-cta .btn { width: auto; }
}

/* ----------------------------------
   Hero + đầu trang
----------------------------------- */
.hero { padding-top: 120px; padding-bottom: 64px; }
.page-header { padding-top: 116px; padding-bottom: 48px; }
@media (min-width: 768px) {
  .hero { padding-top: 168px; padding-bottom: 96px; }
  .page-header { padding-top: 150px; padding-bottom: 60px; }
}

.hero-box {
  background: var(--c-grad-panel);
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
  padding: 32px 24px;
}
@media (min-width: 768px) { .hero-box { padding: 52px 44px; } }

.eyebrow {
  display: inline-block;
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--c-blue-soft);
  margin-bottom: 14px;
}

.hero h1, .page-header h1 {
  font-size: clamp(1.9rem, 5.2vw, 3.6rem);
  font-weight: 800;
  line-height: 1.15;
  color: var(--c-text);
  margin-bottom: 20px;
}
.hero h1 span, .page-header h1 span { color: var(--c-blue-soft); }

.hero p, .page-header p {
  font-size: 1.05rem;
  color: var(--c-text-muted);
  max-width: 620px;
  border-left: 3px solid var(--c-red);
  padding-left: 16px;
}
@media (min-width: 768px) { .hero p, .page-header p { font-size: 1.15rem; } }

.hero-actions {
  display: flex;
  flex-direction: column;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 32px;
}
.hero-actions .btn { width: 100%; }
@media (min-width: 560px) {
  .hero-actions { flex-direction: row; }
  .hero-actions .btn { width: auto; }
}

/* Hero 2 cột: chữ + ảnh KTV chân dung (như live) */
.hero-2col {
  display: grid;
  grid-template-columns: 1fr;
  gap: 36px;
  align-items: center;
}
.hero-2col > * { min-width: 0; }
@media (min-width: 900px) {
  .hero-2col { grid-template-columns: 1.05fr 0.95fr; gap: 48px; }
}
.hero-media { position: relative; width: 100%; max-width: 430px; margin: 0 auto; }
.hero-portrait {
  width: 100%;
  aspect-ratio: 2 / 3;
  object-fit: cover;
  border-radius: var(--radius);
  border: 1px solid var(--c-border);
  box-shadow: var(--shadow);
  display: block;
}
.hero-badge {
  position: absolute;
  left: -10px;
  top: 20px;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 16px;
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow);
}
.hero-badge-ic {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px; height: 34px;
  border-radius: 50%;
  background: var(--c-success-bg);
  color: var(--c-success-text);
  font-weight: 700;
}
.hero-badge strong { display: block; color: var(--c-text); font-size: 1.1rem; line-height: 1.1; }
.hero-badge span { color: var(--c-text-dim); font-size: 0.8rem; }

/* ----------------------------------
   Lưới dịch vụ
----------------------------------- */
.section { padding-top: 56px; padding-bottom: 56px; }
@media (min-width: 768px) { .section { padding-top: 80px; padding-bottom: 80px; } }

.section-title {
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--c-text);
  margin-bottom: 32px;
  display: flex;
  align-items: center;
  gap: 16px;
}
.section-title::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--c-border);
}
@media (min-width: 768px) {
  .section-title { font-size: 1.6rem; margin-bottom: 44px; }
}

.grid-services {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
}
/* Từ 640px: tự xếp theo số thẻ (2 thẻ → 2 cột, 3 thẻ → 3 cột…) */
@media (min-width: 640px) {
  .grid-services { grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); }
}
/* Panel chiếm trọn hàng (intro trang dịch vụ) */
.grid-services > .col-full { grid-column: 1 / -1; }

.service-card {
  display: block;
  min-width: 0;
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
  padding: 26px;
  transition: border-color 0.2s, transform 0.2s, box-shadow 0.2s;
}
.service-card:hover {
  border-color: var(--c-blue);
  transform: translateY(-3px);
  box-shadow: var(--shadow);
}
.service-card h3 {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--c-text);
  margin-bottom: 10px;
}
.service-card p { color: var(--c-text-muted); font-size: 0.97rem; }

.service-card .card-link {
  display: inline-block;
  margin-top: 14px;
  font-weight: 600;
  font-size: 0.93rem;
  color: var(--c-blue-soft);
}
.service-card:hover .card-link { color: var(--c-white); }

/* Thẻ nổi bật (SmartOffice) */
.service-featured {
  background: linear-gradient(135deg, rgba(0, 51, 102, 0.6) 0%, var(--c-surface) 100%);
  border-color: var(--c-border-soft);
}
@media (min-width: 640px)  { .service-featured { grid-column: span 2; } }
.service-featured h3 { font-size: 1.6rem; color: var(--c-blue-soft); }

.card-tag {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--c-red-soft);
  margin-bottom: 10px;
}

/* ----------------------------------
   Khối nội dung (trang dịch vụ / about)
----------------------------------- */
.content-block { padding: 32px 0; }
.content-block h2 {
  color: var(--c-text);
  font-size: 1.6rem;
  font-weight: 700;
  margin-bottom: 16px;
}
@media (min-width: 768px) { .content-block h2 { font-size: 1.9rem; } }
.content-block p {
  color: var(--c-text-muted);
  font-size: 1.05rem;
  margin-bottom: 16px;
}
.content-block ul { margin: 0 0 20px 18px; }
.content-block li {
  margin-bottom: 10px;
  color: var(--c-text-muted);
  list-style-type: square;
}
.content-block li::marker { color: var(--c-red); }
.content-block li strong { color: var(--c-text); }

.content-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}
@media (min-width: 768px) { .content-grid { grid-template-columns: repeat(2, 1fr); } }
.content-grid > * { min-width: 0; }

.panel {
  min-width: 0;
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
  padding: 24px;
}
.panel h3 { color: var(--c-blue-soft); font-size: 1.15rem; margin-bottom: 12px; }
.panel p, .panel li { color: var(--c-text-muted); }

/* Dải kêu gọi hành động cuối trang */
.cta-band {
  margin: 48px 0 0;
  padding: 36px 24px;
  background: var(--c-grad-accent);
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
  text-align: center;
}
.cta-band h2 { font-size: 1.5rem; font-weight: 700; margin-bottom: 10px; color: var(--c-text); }
.cta-band p  { color: var(--c-text-muted); margin-bottom: 22px; }
.cta-band .hero-actions { justify-content: center; margin-top: 0; }

/* ----------------------------------
   Form
----------------------------------- */
.form-card {
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
  padding: 24px;
  max-width: 640px;
  margin: 0 auto;
}
@media (min-width: 768px) { .form-card { padding: 36px; } }

.form-group { margin-bottom: 20px; }
.form-group label {
  display: block;
  margin-bottom: 7px;
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--c-text);
}
.form-control {
  width: 100%;
  max-width: 100%;
  background: var(--c-bg);
  border: 1px solid var(--c-border-soft);
  border-radius: var(--radius-sm);
  color: var(--c-text);
  padding: 12px 14px;
  font-family: var(--font-main);
  font-size: 1rem;
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s;
}
.form-control:focus {
  border-color: var(--c-blue);
  box-shadow: var(--ring-focus);
}
textarea.form-control { resize: vertical; min-height: 130px; }
.form-hint { font-size: 0.86rem; color: var(--c-text-dim); margin-top: 6px; }

/* Trạng thái lỗi / rỗng / thành công */
.form-error {
  color: var(--c-error-text);
  font-size: 0.88rem;
  margin-top: 6px;
  display: none;
}
.form-group.has-error .form-control { border-color: var(--c-red-soft); }
.form-group.has-error .form-error   { display: block; }

.alert {
  padding: 14px 16px;
  border-radius: var(--radius-sm);
  margin-bottom: 20px;
  font-size: 0.95rem;
}
.alert-success {
  background: var(--c-success-bg);
  border: 1px solid var(--c-success-border);
  color: var(--c-success-text);
}
.alert.alert-error {
  background: var(--c-error-bg);
  border: 1px solid var(--c-error-border);
  color: var(--c-error-text);
}

.empty-state {
  text-align: center;
  padding: 48px 20px;
  color: var(--c-text-dim);
  border: 1px dashed var(--c-border-soft);
  border-radius: var(--radius);
}

/* ----------------------------------
   Vì sao chọn HTS
----------------------------------- */
.why {
  padding: 56px 0;
  border-top: 1px solid var(--c-border);
  border-bottom: 1px solid var(--c-border);
  background: var(--c-surface);
}
@media (min-width: 768px) { .why { padding: 72px 0; } }

.why-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
}
@media (min-width: 768px) { .why-grid { grid-template-columns: repeat(3, 1fr); } }
.why-grid > * { min-width: 0; }

.why-item { border-left: 3px solid var(--c-red); padding-left: 18px; }
.why-item h4 {
  font-size: 1.12rem;
  font-weight: 700;
  color: var(--c-text);
  margin-bottom: 8px;
}
.why-item p { color: var(--c-text-muted); font-size: 0.97rem; }

/* ----------------------------------
   Bài viết (blog)
----------------------------------- */
.post-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}
@media (min-width: 640px)  { .post-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .post-grid { grid-template-columns: repeat(3, 1fr); } }
.post-grid > * { min-width: 0; }

.post-card {
  min-width: 0;
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: border-color 0.2s, transform 0.2s;
}
.post-card:hover { border-color: var(--c-blue); transform: translateY(-3px); }
.post-card .post-body { padding: 20px; }
.post-card .post-cat {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--c-red-soft);
}
.post-card h3 { font-size: 1.1rem; margin: 8px 0; color: var(--c-text); }
.post-card p  { font-size: 0.94rem; color: var(--c-text-muted); }

/* Bảng — luôn cuộn được trong khung riêng, không đẩy tràn trang */
.table-wrap { width: 100%; overflow-x: auto; }
.table-wrap table { min-width: 520px; border-collapse: collapse; width: 100%; }

/* Lưới 2 cột responsive: 1 cột mobile → 2 cột từ 768px */
.two-col {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}
@media (min-width: 768px) { .two-col { grid-template-columns: 1fr 1fr; gap: 40px; } }
.two-col > * { min-width: 0; }

/* Ảnh banner đầu trang (ảnh thật HTS) */
.page-photo-wrap { margin: 4px 0 8px; }
.page-photo {
  width: 100%;
  height: 220px;
  object-fit: cover;
  border-radius: var(--radius);
  display: block;
  border: 1px solid var(--c-border);
}
@media (min-width: 768px) { .page-photo { height: 360px; } }

/* Thumbnail bài viết blog */
.post-thumb {
  width: 100%;
  height: 180px;
  object-fit: cover;
  display: block;
}

/* Ô giữ chỗ ảnh / bản đồ */
.media-placeholder {
  background: var(--c-surface-2);
  border: 1px dashed var(--c-border-soft);
  border-radius: var(--radius-sm);
  color: var(--c-text-dim);
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 24px;
  min-height: 160px;
}

/* ----------------------------------
   Trang bài viết (blog article)
----------------------------------- */
.breadcrumb { font-size: 0.85rem; color: var(--c-text-dim); margin-bottom: 14px; }
.breadcrumb a { color: var(--c-text-muted); }
.breadcrumb a:hover { color: var(--c-blue-soft); }
.article-hero .lead, .lead { color: var(--c-text-muted); font-size: 0.95rem; margin-top: 12px; }

.post-content {
  max-width: 760px;
  margin: 0 auto;
  padding: 8px 0 48px;
}
.post-content .back-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--c-blue-soft);
  font-weight: 600;
  font-size: 0.92rem;
  margin-bottom: 24px;
}
.post-content .back-link:hover { color: var(--c-text); }
.post-content h2 { font-size: 1.5rem; font-weight: 700; color: var(--c-text); margin: 34px 0 12px; }
.post-content h3 { font-size: 1.2rem; font-weight: 700; color: var(--c-blue-soft); margin: 28px 0 10px; }
.post-content p { color: var(--c-text-muted); margin-bottom: 16px; line-height: 1.85; }
.post-content ul, .post-content ol { margin: 0 0 18px 20px; }
.post-content li { color: var(--c-text-muted); margin-bottom: 10px; line-height: 1.8; }
.post-content li::marker { color: var(--c-red); }
.post-content strong { color: var(--c-text); }
.post-content a { color: var(--c-blue-soft); text-decoration: underline; }

.post-cta {
  margin-top: 40px;
  padding: 28px 24px;
  background: var(--c-grad-panel);
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
  text-align: center;
}
.post-cta h3 { color: var(--c-text); margin: 0 0 8px; }
.post-cta p { margin-bottom: 20px; }
.post-cta .btn { text-decoration: none; }

/* ----------------------------------
   Footer
----------------------------------- */
.site-footer {
  padding: 48px 0 32px;
  border-top: 1px solid var(--c-border);
}
.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
}
@media (min-width: 768px) { .footer-grid { grid-template-columns: 2fr 1fr 1fr; } }
.footer-grid > * { min-width: 0; }

.footer-brand { text-align: center; }
.footer-brand .logo { justify-content: center; margin-bottom: 12px; }
.footer-brand .logo img { height: 216px; }
.footer-brand p { color: var(--c-text-dim); font-size: 0.93rem; max-width: 340px; margin: 0 auto; }

.site-footer h5 {
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 1.2px;
  text-transform: uppercase;
  color: var(--c-text);
  margin-bottom: 12px;
}
.site-footer li { margin-bottom: 8px; }
.site-footer li a, .site-footer li { color: var(--c-text-dim); font-size: 0.93rem; }
.site-footer li a:hover { color: var(--c-blue-soft); }

.footer-bottom {
  margin-top: 32px;
  padding-top: 20px;
  border-top: 1px solid var(--c-border);
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: space-between;
  color: var(--c-text-dim);
  font-size: 0.88rem;
}

/* ==========================================================
   BỔ SUNG 09/09/2026 — Liên hệ nhanh & trang Liên hệ
   Chỉ dùng token sẵn có ở :root. Không sửa component cũ.
   ========================================================== */

/* ----------------------------------
   Danh sách thông tin liên hệ (trang contact + footer)
----------------------------------- */
.contact-list { list-style: none; margin: 0; padding: 0; }
.contact-list li {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 8px;
  padding: 12px 0;
  border-bottom: 1px solid var(--c-border);
  color: var(--c-text-muted);
  font-size: 0.95rem;
  min-width: 0;
}
.contact-list li:last-child { border-bottom: 0; padding-bottom: 0; }
.contact-list .cl-label {
  flex: 0 0 auto;
  font-weight: 700;
  color: var(--c-red-soft);
}
.contact-list .cl-value { min-width: 0; color: var(--c-text); }
.contact-list a { color: var(--c-blue-soft); font-weight: 600; }
.contact-list a:hover { color: var(--c-white); }

/* Khối pháp lý nhỏ (tên pháp nhân, MST) */
.legal-note {
  margin-top: 14px;
  font-size: 0.85rem;
  color: var(--c-text-dim);
  line-height: 1.6;
}

/* ----------------------------------
   Bản đồ nhúng — responsive, không tràn ngang
----------------------------------- */
.map-embed {
  position: relative;
  width: 100%;
  min-width: 0;
  aspect-ratio: 4 / 3;
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--c-surface-2);
}
@media (min-width: 768px) { .map-embed { aspect-ratio: 16 / 10; } }
.map-embed iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: 0;
  display: block;
}
.map-note {
  margin-top: 12px;
  font-size: 0.86rem;
  color: var(--c-text-dim);
}
.map-note a { color: var(--c-blue-soft); font-weight: 600; }

/* ----------------------------------
   Nút Zalo nổi (góc phải dưới)
----------------------------------- */
.zalo-fab {
  position: fixed;
  right: 16px;
  bottom: 16px;
  z-index: 1200;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 54px;
  height: 54px;
  border-radius: 50%;
  background: var(--c-navy-light);
  color: var(--c-white);
  border: 1px solid var(--c-border-soft);
  box-shadow: var(--shadow);
  transition: background 0.2s, transform 0.15s, box-shadow 0.2s;
}
.zalo-fab:hover {
  background: var(--c-blue);
  transform: translateY(-2px);
  box-shadow: var(--shadow-blue-lg);
}
.zalo-fab svg { width: 26px; height: 26px; }

/* ----------------------------------
   Thanh hành động dính đáy — CHỈ dưới 768px
----------------------------------- */
.mobile-actionbar { display: none; }

@media (max-width: 767.98px) {
  .mobile-actionbar {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1px;
    position: fixed;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 1300;
    background: var(--c-border);
    border-top: 1px solid var(--c-border);
    padding-bottom: env(safe-area-inset-bottom, 0px);
  }
  .mobile-actionbar a {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    min-height: 52px;
    padding: 10px 8px;
    background: var(--c-surface);
    color: var(--c-text);
    font-weight: 600;
    font-size: 0.95rem;
    text-align: center;
  }
  .mobile-actionbar a:first-child { background: var(--c-red); color: var(--c-white); }
  .mobile-actionbar a:first-child:active { background: var(--c-red-soft); }
  .mobile-actionbar a svg { flex: 0 0 auto; width: 18px; height: 18px; }

  /* Chừa chỗ để thanh dính KHÔNG che nội dung/footer (kiểm ở 360px) */
  body { padding-bottom: calc(52px + env(safe-area-inset-bottom, 0px)); }

  /* Nút Zalo nổi phải nằm TRÊN thanh dính */
  .zalo-fab { bottom: calc(52px + 14px + env(safe-area-inset-bottom, 0px)); }
}