/* =================================================
   DART SECURITY — PROFESSIONAL REDESIGN v2.0
================================================= */

:root {
  --primary:        #002C75;
  --primary-light:  #4D6B9E;
  --secondary:      #ACABB1;
  --secondary-dark: #818085;
  --accent:         #ACABB1;
  --accent-hover:   #818085;
  --tertiary:       #B9B8BE;
  --white:          #ffffff;
  --light:          #f5f7fa;
  --border:         #e2e8f0;
  --text:           #374151;
  --muted:          #6b7280;
  --shadow-sm:      0 2px 8px rgba(0,0,0,0.08);
  --shadow-md:      0 4px 20px rgba(0,0,0,0.12);
  --shadow-lg:      0 10px 40px rgba(0,0,0,0.18);
  --radius:         8px;
}

*,*::before,*::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  font-family: 'Poppins', 'Open Sans', sans-serif;
  font-size: 16px;
  color: var(--text);
  background: var(--white);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

h1,h2,h3,h4,h5,h6 {
  font-family: 'Poppins', sans-serif;
  font-weight: 700;
  color: var(--primary);
  line-height: 1.2;
  margin: 0;
}

p { margin: 0; line-height: 1.75; }
a { text-decoration: none; }
img { max-width: 100%; display: block; }
ul { list-style: none; padding: 0; margin: 0; }

/* Utility */
.ds-wrap {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.lbl {
  display: inline-block;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--secondary);
  margin-bottom: 12px;
}

.heading {
  font-size: clamp(26px, 3vw, 44px);
  font-weight: 800;
  color: var(--primary);
  line-height: 1.15;
  margin-bottom: 16px;
}

.heading span { color: var(--secondary); }

.sec-hdr {
  text-align: center;
  margin-bottom: 64px;
}

.sec-hdr p {
  max-width: 580px;
  margin: 0 auto;
  color: var(--muted);
  font-size: 16px;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  font-family: 'Poppins', sans-serif;
  font-size: 14px;
  font-weight: 600;
  border-radius: var(--radius);
  border: 2px solid transparent;
  cursor: pointer;
  transition: all 0.3s ease;
  text-decoration: none;
  line-height: 1;
}

.btn-gold {
  background: var(--accent);
  color: var(--primary);
  border-color: var(--accent);
}
.btn-gold:hover {
  background: transparent;
  color: var(--accent);
  text-decoration: none;
}

.btn-ghost {
  background: transparent;
  color: var(--white);
  border-color: rgba(255,255,255,0.5);
}
.btn-ghost:hover {
  background: var(--white);
  color: var(--primary);
  border-color: var(--white);
  text-decoration: none;
}

.btn-teal {
  background: var(--secondary);
  color: var(--white);
  border-color: var(--secondary);
}
.btn-teal:hover {
  background: var(--secondary-dark);
  border-color: var(--secondary-dark);
  text-decoration: none;
}

/* ================================================
   NAVIGATION
================================================ */
.ds-nav {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: var(--white);
  padding: 14px 0;
  box-shadow: 0 2px 16px rgba(0,0,0,0.06);
  transition: padding 0.3s ease;
}

.ds-nav .ni {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.ds-nav .n-logo img {
  height: 50px;
  width: auto;
  transition: height 0.3s;
}

.ds-nav .n-menu {
  display: flex;
  align-items: center;
  gap: 32px;
  margin: 0 auto 0 44px;
}

.ds-nav .n-menu a {
  font-size: 15px;
  font-weight: 500;
  color: var(--text);
  transition: color 0.2s;
  text-decoration: none;
  white-space: nowrap;
}
.ds-nav .n-menu a:hover { color: var(--primary); }

.n-actions {
  display: flex;
  align-items: center;
  gap: 14px;
}

.n-search {
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--light);
  border: 1px solid var(--border);
  border-radius: 30px;
  padding: 10px 18px;
  min-width: 180px;
}
.n-search i { color: var(--muted); font-size: 13px; }
.n-search input {
  border: none;
  background: transparent;
  outline: none;
  font-family: 'Poppins', sans-serif;
  font-size: 13px;
  color: var(--text);
  width: 100%;
}
.n-search input::placeholder { color: var(--muted); }

.n-quote {
  background: var(--primary);
  color: var(--white) !important;
  padding: 12px 26px;
  border-radius: 30px;
  font-weight: 600;
  font-size: 14px;
  white-space: nowrap;
  text-decoration: none;
  transition: background 0.2s;
}
.n-quote:hover { background: var(--primary-light); }

.n-phone {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--light);
  color: var(--primary);
  font-size: 15px;
  flex-shrink: 0;
  transition: background 0.2s, color 0.2s;
}
.n-phone:hover { background: var(--primary); color: var(--white); }

.ds-nav.stuck { padding: 8px 0; box-shadow: 0 4px 20px rgba(0,0,0,0.1); }
.ds-nav.stuck .n-logo img { height: 40px; }

.n-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
  z-index: 1002;
}
.n-toggle span {
  display: block;
  width: 25px;
  height: 2px;
  background: var(--primary);
  border-radius: 2px;
  transition: transform 0.3s, opacity 0.3s;
}
.n-toggle.open span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.n-toggle.open span:nth-child(2) { opacity: 0; }
.n-toggle.open span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

.n-veil {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.5);
  z-index: 999;
}
.n-veil.on { display: block; }

/* ================================================
   CATEGORY STRIP
================================================ */
.cat-strip {
  background: var(--white);
  border-bottom: 1px solid var(--border);
}

.cat-strip-inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: 14px 24px;
  display: flex;
  align-items: center;
  gap: 16px;
}

.cat-arrow {
  flex-shrink: 0;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  border: none;
  background: var(--primary);
  color: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  cursor: pointer;
  transition: background 0.2s;
}
.cat-arrow:hover { background: var(--primary-light); }

.cat-track {
  flex: 1;
  min-width: 0;
  overflow: hidden;
}

.cat-marquee {
  display: flex;
  width: max-content;
  animation: catMarquee 22s linear infinite;
}
.cat-strip:hover .cat-marquee { animation-play-state: paused; }
.cat-marquee.boost { animation-duration: 5s; }
.cat-marquee.reverse { animation-direction: reverse; }

@keyframes catMarquee {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}

.cat-unit {
  display: flex;
  align-items: center;
  gap: 40px;
  padding-right: 40px;
  flex-shrink: 0;
}

.cat-item {
  flex-shrink: 0;
  font-size: 14px;
  font-weight: 500;
  color: var(--text);
  text-decoration: none;
  white-space: nowrap;
  padding: 4px 0;
  transition: color 0.2s;
}
.cat-item:hover { color: var(--primary); text-decoration: none; }

/* ================================================
   HERO
================================================ */
.ds-hero {
  position: relative;
  min-height: 640px;
  display: flex;
  align-items: center;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}
.hero-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.hero-bg-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(100deg, rgba(238,241,248,0.96) 0%, rgba(238,241,248,0.68) 32%, rgba(0,20,50,0.35) 100%);
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 1280px;
  margin: 0 auto;
  width: 100%;
  padding: 60px 24px;
}

.hero-card {
  background: var(--white);
  max-width: 470px;
  border-radius: 20px;
  box-shadow: var(--shadow-lg);
  padding: 46px 40px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(0,44,117,0.08);
  border: 1px solid rgba(0,44,117,0.18);
  color: var(--primary);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  padding: 7px 16px;
  border-radius: 40px;
  margin-bottom: 24px;
}

.ds-hero h1 {
  font-size: clamp(28px, 3.2vw, 44px);
  font-weight: 800;
  color: var(--primary);
  line-height: 1.15;
  margin-bottom: 18px;
}

.ds-hero h1 em {
  color: var(--secondary-dark);
  font-style: normal;
}

.ds-hero .h-sub {
  font-size: 15px;
  color: var(--muted);
  margin-bottom: 32px;
  line-height: 1.7;
}

.h-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-bottom: 32px;
}

.btn-navy {
  background: var(--primary);
  color: var(--white) !important;
  border-color: var(--primary);
  border-radius: 30px;
}
.btn-navy:hover {
  background: var(--primary-light);
  border-color: var(--primary-light);
  color: var(--white) !important;
  text-decoration: none;
}

.btn-outline-navy {
  background: transparent;
  color: var(--primary) !important;
  border-color: var(--primary);
  border-radius: 30px;
}
.btn-outline-navy:hover {
  background: var(--primary);
  color: var(--white) !important;
  text-decoration: none;
}

.h-rating {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.h-rating-top {
  display: flex;
  align-items: center;
  gap: 10px;
}

.h-rating-label {
  font-size: 15px;
  font-weight: 700;
  color: var(--text);
}

.h-rating-stars {
  color: #f5a623;
  font-size: 15px;
  letter-spacing: 2px;
}

.h-rating-sub {
  font-size: 13px;
  color: var(--muted);
}

/* ================================================
   STRIP
================================================ */
.ds-strip {
  background: var(--primary);
  border-bottom: 1px solid rgba(255,255,255,0.06);
}

.strip-flex {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  overflow-x: auto;
}

.strip-flex::-webkit-scrollbar { display: none; }

.s-item {
  flex: 1;
  min-width: 150px;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 20px 24px;
  border-right: 1px solid rgba(255,255,255,0.07);
  white-space: nowrap;
}
.s-item:last-child { border-right: none; }
.s-item i { font-size: 20px; color: var(--accent); flex-shrink: 0; }
.s-item span { font-size: 13px; font-weight: 500; color: rgba(255,255,255,0.72); }

/* ================================================
   ABOUT
================================================ */
.ds-about { padding: 100px 0; }

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 72px;
  align-items: center;
}

.a-img-wrap {
  position: relative;
}
.a-img-wrap > img {
  width: 100%;
  height: 490px;
  object-fit: cover;
  border-radius: 12px;
  box-shadow: var(--shadow-lg);
}
.a-badge {
  position: absolute;
  bottom: 28px;
  right: -18px;
  width: 108px;
  height: 108px;
  background: var(--accent);
  color: var(--primary);
  border-radius: 50%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  box-shadow: 0 8px 28px rgba(174,6,12,0.45);
}
.a-badge .an { font-size: 32px; font-weight: 800; line-height: 1; }
.a-badge .al { font-size: 9px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.5px; text-align: center; padding: 0 6px; margin-top: 2px; }

.a-text > p { color: var(--muted); font-size: 15px; margin-bottom: 18px; }

.a-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px 20px;
  margin: 28px 0;
}
.a-list-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  font-weight: 500;
  color: var(--text);
}
.a-list-item i { color: var(--secondary); font-size: 14px; flex-shrink: 0; }

/* ================================================
   STATS
================================================ */
.ds-stats {
  padding: 80px 0;
  background: var(--primary);
  position: relative;
  overflow: hidden;
}
.ds-stats::after {
  content: '';
  position: absolute;
  top: -130px; right: -130px;
  width: 460px; height: 460px;
  border-radius: 50%;
  border: 1px solid rgba(3,67,164,0.08);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
}

.st-item { text-align: center; }
.st-item .sn {
  font-size: clamp(40px, 5vw, 62px);
  font-weight: 800;
  color: var(--accent);
  line-height: 1;
  display: block;
  margin-bottom: 8px;
}
.st-item .sl {
  font-size: 13px;
  font-weight: 500;
  color: rgba(255,255,255,0.60);
  letter-spacing: 0.5px;
}

/* ================================================
   SERVICES
================================================ */
.ds-services {
  padding: 100px 0;
  background: var(--light);
}

.svc-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.svc-card {
  background: var(--white);
  border-radius: 12px;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: transform 0.35s ease, box-shadow 0.35s ease;
}
.svc-card:hover {
  transform: translateY(-10px);
  box-shadow: var(--shadow-lg);
}

.svc-img {
  position: relative;
  height: 220px;
  overflow: hidden;
}
.svc-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}
.svc-card:hover .svc-img img { transform: scale(1.08); }

.svc-tag {
  position: absolute;
  top: 14px; left: 14px;
  background: var(--secondary);
  color: white;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  padding: 4px 12px;
  border-radius: 4px;
}

.svc-body { padding: 24px; }
.svc-body h4 { font-size: 18px; font-weight: 700; margin-bottom: 10px; color: var(--primary); }
.svc-body p { font-size: 14px; color: var(--muted); line-height: 1.7; margin-bottom: 20px; }

.svc-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  font-weight: 700;
  color: var(--secondary);
  text-transform: uppercase;
  letter-spacing: 0.8px;
  transition: gap 0.2s;
  text-decoration: none;
}
.svc-link:hover { gap: 10px; color: var(--secondary-dark); text-decoration: none; }

/* ================================================
   WHY CHOOSE US
================================================ */
.ds-why { padding: 100px 0; }

.why-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.why-card {
  padding: 36px 28px;
  border-radius: 12px;
  border: 1.5px solid var(--border);
  transition: all 0.3s ease;
  text-align: center;
}
.why-card:hover {
  border-color: var(--secondary);
  box-shadow: 0 6px 32px rgba(174,6,12,0.12);
  transform: translateY(-5px);
}

.w-icon {
  width: 68px; height: 68px;
  background: rgba(3,67,164,0.08);
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
  transition: background 0.3s;
}
.w-icon i { font-size: 26px; color: var(--secondary); transition: color 0.3s; }
.why-card:hover .w-icon { background: var(--secondary); }
.why-card:hover .w-icon i { color: white; }

.why-card h4 { font-size: 17px; font-weight: 700; margin-bottom: 12px; }
.why-card p { font-size: 14px; color: var(--muted); line-height: 1.7; }

/* ================================================
   CONTACT
================================================ */
.ds-contact { padding: 100px 0; background: var(--light); }

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: start;
}

.c-left > p { color: var(--muted); font-size: 15px; margin-bottom: 36px; line-height: 1.75; }

.ci {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  margin-bottom: 22px;
}
.ci-icon {
  width: 44px; height: 44px;
  background: var(--secondary);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: white;
  font-size: 16px;
}
.ci-info h6 {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--secondary);
  margin-bottom: 4px;
}
.ci-info p, .ci-info a {
  font-size: 15px;
  color: var(--text);
  font-weight: 500;
  text-decoration: none;
  line-height: 1.5;
}
.ci-info a:hover { color: var(--secondary); }

.c-map {
  margin-top: 28px;
  border-radius: 10px;
  overflow: hidden;
  height: 210px;
  box-shadow: var(--shadow-sm);
}
.c-map iframe { width: 100%; height: 100%; border: 0; }

.c-form-box {
  background: var(--white);
  border-radius: 14px;
  padding: 42px;
  box-shadow: var(--shadow-md);
}
.c-form-box h4 { font-size: 22px; font-weight: 800; margin-bottom: 4px; }
.c-form-box .c-sub { font-size: 14px; color: var(--muted); margin-bottom: 28px; }

.f-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}
.f-grp { margin-bottom: 14px; }

.f-grp input, .f-grp textarea, .f-grp select {
  width: 100%;
  padding: 13px 16px;
  background: var(--light);
  border: 1.5px solid var(--border);
  border-radius: var(--radius);
  font-family: 'Poppins', sans-serif;
  font-size: 14px;
  color: var(--text);
  outline: none;
  transition: border-color 0.2s, background 0.2s;
}
.f-grp input::placeholder, .f-grp textarea::placeholder { color: #aab4c0; }
.f-grp input:focus, .f-grp textarea:focus {
  border-color: var(--secondary);
  background: var(--white);
}
.f-grp textarea { height: 120px; resize: vertical; }

.f-submit {
  width: 100%;
  padding: 14px;
  background: var(--secondary);
  color: white;
  border: none;
  border-radius: var(--radius);
  font-family: 'Poppins', sans-serif;
  font-size: 15px;
  font-weight: 700;
  cursor: pointer;
  transition: background 0.2s;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}
.f-submit:hover { background: var(--secondary-dark); }
.f-submit:disabled { opacity: 0.7; cursor: not-allowed; }
.f-note { text-align: center; font-size: 12px; color: var(--muted); margin-top: 12px; }

.f-grp.invalid input, .f-grp.invalid textarea {
  border-color: #d64545;
  background: #fdf2f2;
}
.f-error {
  display: block;
  min-height: 16px;
  font-size: 12px;
  color: #d64545;
  margin-top: 5px;
}
.f-status {
  text-align: center;
  font-size: 13px;
  font-weight: 600;
  padding: 10px 14px;
  border-radius: var(--radius);
  margin-bottom: 14px;
  display: none;
}
.f-status.show { display: block; }
.f-status.success { background: #eaf6ef; color: #1d7a44; }
.f-status.error { background: #fdf2f2; color: #d64545; }

/* ================================================
   CTA BANNER
================================================ */
.ds-cta {
  padding: 88px 0;
  background: linear-gradient(135deg, var(--primary) 0%, #021f52 100%);
  position: relative;
  overflow: hidden;
  text-align: center;
}
.ds-cta::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url('../images/background/pattern-2.png') repeat;
  opacity: 0.04;
}
.ds-cta .cta-i {
  position: relative;
  z-index: 1;
  max-width: 680px;
  margin: 0 auto;
  padding: 0 24px;
}
.ds-cta h2 { font-size: clamp(26px, 3.5vw, 44px); font-weight: 800; color: white; margin-bottom: 14px; }
.ds-cta p { color: rgba(255,255,255,0.68); font-size: 17px; margin-bottom: 30px; }
.cta-phone {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--accent);
  font-size: clamp(24px, 3.5vw, 34px);
  font-weight: 800;
  margin-bottom: 28px;
  text-decoration: none;
}
.cta-phone i { font-size: 24px; }
.cta-phone:hover { color: var(--accent-hover); text-decoration: none; }
.cta-acts { display: flex; justify-content: center; gap: 14px; flex-wrap: wrap; }

/* ================================================
   FOOTER
================================================ */
.ds-footer {
  background: #010e25;
  padding-top: 72px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2.2fr 1fr 1.2fr 1.3fr;
  gap: 48px;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px 64px;
}

.fb-logo { height: 56px; width: auto; margin-bottom: 20px; }
.fb-desc { font-size: 13px; color: rgba(255,255,255,0.48); line-height: 1.8; margin-bottom: 22px; max-width: 270px; }

.f-socials { display: flex; gap: 10px; }
.f-socials a {
  width: 36px; height: 36px;
  background: rgba(255,255,255,0.07);
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255,255,255,0.5);
  font-size: 14px;
  transition: all 0.2s;
  text-decoration: none;
}
.f-socials a:hover { background: var(--secondary); color: white; }

.f-col h5 {
  font-size: 13px;
  font-weight: 700;
  color: rgba(255,255,255,0.90);
  margin-bottom: 18px;
  padding-bottom: 12px;
  border-bottom: 1px solid rgba(255,255,255,0.07);
  text-transform: uppercase;
  letter-spacing: 1.2px;
}
.f-links li { margin-bottom: 10px; }
.f-links a {
  font-size: 13px;
  color: rgba(255,255,255,0.48);
  display: flex;
  align-items: center;
  gap: 6px;
  transition: color 0.2s;
  text-decoration: none;
}
.f-links a::before { content: '›'; color: var(--secondary); font-size: 16px; }
.f-links a:hover { color: var(--secondary); }

.fci { display: flex; gap: 12px; margin-bottom: 16px; align-items: flex-start; }
.fci i { color: var(--secondary); font-size: 13px; margin-top: 3px; flex-shrink: 0; }
.fci span, .fci a { font-size: 13px; color: rgba(255,255,255,0.48); line-height: 1.6; text-decoration: none; }
.fci a:hover { color: var(--secondary); }

.footer-bar { border-top: 1px solid rgba(255,255,255,0.07); padding: 20px 0; }
.footer-bar .fbi {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}
.footer-bar p, .footer-bar a { font-size: 13px; color: rgba(255,255,255,0.28); margin: 0; text-decoration: none; transition: color 0.2s; }
.footer-bar a:hover { color: var(--secondary); }

/* Scroll Top */
.stt {
  position: fixed;
  bottom: 26px; right: 26px;
  width: 46px; height: 46px;
  background: var(--secondary);
  color: white;
  border: none;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  cursor: pointer;
  opacity: 0;
  transform: translateY(16px);
  transition: all 0.3s;
  z-index: 997;
  box-shadow: 0 4px 16px rgba(174,6,12,0.35);
}
.stt.on { opacity: 1; transform: translateY(0); }
.stt:hover { background: var(--secondary-dark); }

/* ================================================
   TRAINING SECTION
================================================ */
.ds-training {
  padding: 100px 0;
  background: #EEF4FF;
  border-top: 4px solid var(--primary);
  position: relative;
}

.training-intro {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
  margin-bottom: 56px;
}

.ti-text > p {
  font-size: 15px;
  color: var(--muted);
  line-height: 1.8;
  margin-bottom: 18px;
}

.ti-badges {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.ti-badge {
  display: flex;
  align-items: center;
  gap: 14px;
  background: var(--white);
  border-radius: var(--radius);
  padding: 14px 18px;
  border: 1.5px solid var(--border);
  box-shadow: var(--shadow-sm);
}

.ti-badge-icon {
  width: 44px;
  height: 44px;
  background: var(--primary);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: var(--white);
  font-size: 18px;
}

.ti-badge-text strong {
  display: block;
  font-size: 14px;
  font-weight: 700;
  color: var(--primary);
}

.ti-badge-text span {
  font-size: 12px;
  color: var(--muted);
}

.training-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-bottom: 48px;
}

.tr-card {
  background: var(--white);
  border-radius: 12px;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  display: flex;
  flex-direction: column;
}

.tr-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
}

.tr-card-top {
  background: var(--secondary);
  padding: 28px 22px 22px;
  position: relative;
  overflow: hidden;
}

.tr-card-num {
  position: absolute;
  top: 10px;
  right: 14px;
  font-size: 52px;
  font-weight: 800;
  color: rgba(255,255,255,0.15);
  line-height: 1;
  user-select: none;
}

.tr-card-icon {
  width: 52px;
  height: 52px;
  background: rgba(255,255,255,0.18);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  font-size: 22px;
  position: relative;
  z-index: 1;
}

.tr-card-body {
  padding: 24px;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.tr-card-body h4 {
  font-size: 16px;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 10px;
  line-height: 1.3;
}

.tr-card-body p {
  font-size: 13px;
  color: var(--muted);
  line-height: 1.7;
  margin-bottom: 20px;
  flex: 1;
}

.tr-card-actions {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-top: auto;
}

.tr-btn-primary {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 10px 16px;
  background: var(--secondary);
  color: var(--white);
  border-radius: var(--radius);
  font-size: 12px;
  font-weight: 700;
  text-decoration: none;
  transition: background 0.2s;
}
.tr-btn-primary:hover {
  background: var(--secondary-dark);
  text-decoration: none;
  color: var(--white);
}

.tr-btn-row {
  display: flex;
  gap: 8px;
}

.tr-btn-outline {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 5px;
  padding: 8px 10px;
  border: 1.5px solid var(--primary);
  color: var(--primary);
  border-radius: var(--radius);
  font-size: 11px;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.2s;
  text-align: center;
}
.tr-btn-outline:hover {
  background: var(--primary);
  color: var(--white);
  text-decoration: none;
}

.training-bottom-cta {
  background: var(--primary);
  border-radius: 14px;
  padding: 36px 40px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
}

.tbc-text h3 {
  font-size: 20px;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 6px;
}

.tbc-text p {
  font-size: 14px;
  color: rgba(255,255,255,0.65);
}

.tbc-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  align-items: center;
  flex-shrink: 0;
}

.tbc-btn-red {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 28px;
  background: var(--secondary);
  color: var(--white);
  border-radius: var(--radius);
  font-size: 14px;
  font-weight: 700;
  text-decoration: none;
  transition: background 0.2s;
}
.tbc-btn-red:hover {
  background: var(--secondary-dark);
  text-decoration: none;
  color: var(--white);
}

.tbc-phone {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: rgba(255,255,255,0.85);
  font-size: 15px;
  font-weight: 700;
  text-decoration: none;
  transition: color 0.2s;
}
.tbc-phone:hover {
  color: var(--white);
  text-decoration: none;
}

/* ================================================
   RESPONSIVE
================================================ */
@media (max-width: 1024px) {
  .n-search { display: none; }
  .ds-nav .n-menu { gap: 22px; margin-left: 24px; }
  .ds-hero { min-height: 520px; }
  .hero-content { padding: 40px 20px; }
  .hero-card { max-width: 420px; padding: 36px 30px; }
  .about-grid { grid-template-columns: 1fr; gap: 48px; }
  .a-img-wrap > img { height: 370px; }
  .a-badge { right: 10px; }
  .svc-grid { grid-template-columns: repeat(2, 1fr); }
  .why-grid { grid-template-columns: repeat(2, 1fr); }
  .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 30px; }
  .contact-grid { grid-template-columns: 1fr; gap: 48px; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 36px; }
  .training-grid { grid-template-columns: repeat(2, 1fr); }
  .training-intro { grid-template-columns: 1fr; gap: 32px; }
}

@media (max-width: 767px) {
  .ds-nav .n-menu {
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0; right: 0; bottom: 0;
    width: 285px;
    background: var(--primary);
    padding: 88px 28px 36px;
    gap: 22px;
    z-index: 1001;
    transform: translateX(110%);
    transition: transform 0.35s ease;
    align-items: flex-start;
    overflow-y: auto;
    box-shadow: -4px 0 30px rgba(0,0,0,0.45);
  }
  .ds-nav .n-menu.open { transform: translateX(0); }
  .ds-nav .n-menu a { font-size: 16px; color: rgba(255,255,255,0.9); }
  .n-toggle { display: flex; }
  .n-actions { gap: 8px; }
  .cat-unit { gap: 24px; padding-right: 24px; }
  .cat-strip-inner { padding: 12px 16px; gap: 10px; }
  .ds-hero { min-height: 460px; }
  .hero-content { padding: 32px 16px; }
  .hero-card { max-width: 100%; padding: 30px 22px; }
  .hero-bg-overlay { background: linear-gradient(160deg, rgba(238,241,248,0.97) 0%, rgba(238,241,248,0.75) 45%, rgba(0,20,50,0.35) 100%); }
  .svc-grid { grid-template-columns: 1fr; }
  .why-grid { grid-template-columns: 1fr; }
  .training-grid { grid-template-columns: 1fr; }
  .training-bottom-cta { flex-direction: column; text-align: center; padding: 28px 22px; }
  .tbc-actions { justify-content: center; }
  .f-row { grid-template-columns: 1fr; }
  .c-form-box { padding: 26px 18px; }
  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
  .a-list { grid-template-columns: 1fr; }
  .h-cta { flex-direction: column; align-items: flex-start; }
  .strip-flex { flex-wrap: wrap; justify-content: center; overflow-x: visible; padding: 12px 16px; }
  .s-item { flex: 0 1 auto; min-width: 0; border-right: none; justify-content: center; padding: 8px 14px; }
}

@media (max-width: 480px) {
  .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 20px; }
  .s-item { padding: 16px 16px; min-width: 140px; }
}

/* ================================================
   PAGE HERO (breadcrumb banner for sub-pages)
================================================ */
.page-hero {
  background: var(--light);
  border-bottom: 1px solid var(--border);
  padding: 44px 0 40px;
  text-align: center;
}
.page-hero .breadcrumb {
  font-size: 13px;
  color: var(--muted);
  margin-bottom: 14px;
}
.page-hero .breadcrumb a { color: var(--muted); text-decoration: none; }
.page-hero .breadcrumb a:hover { color: var(--primary); }
.page-hero .breadcrumb i { font-size: 10px; margin: 0 8px; }
.page-hero .breadcrumb span { color: var(--primary); font-weight: 600; }
.page-hero h1 {
  font-size: clamp(28px, 4vw, 42px);
  font-weight: 800;
  color: var(--primary);
  margin: 0;
}

/* ================================================
   COURSE LISTING
================================================ */
.course-listing { padding: 70px 0 90px; }

.course-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.course-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 14px;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  display: flex;
  flex-direction: column;
}
.course-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); }

.course-card-img { position: relative; height: 190px; overflow: hidden; }
.course-card-img img { width: 100%; height: 100%; object-fit: cover; display: block; }

.course-card-icon {
  position: absolute;
  bottom: -22px;
  left: 22px;
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: var(--primary);
  color: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  border: 4px solid var(--white);
}

.course-card-body { padding: 36px 24px 26px; flex: 1; display: flex; flex-direction: column; }
.course-card-body h3 { font-size: 18px; font-weight: 700; color: var(--primary); margin-bottom: 10px; line-height: 1.35; }
.course-card-body p { font-size: 14px; color: var(--muted); line-height: 1.7; margin-bottom: 18px; flex: 1; }

.course-card-price {
  display: inline-block;
  font-size: 13px;
  font-weight: 600;
  color: var(--secondary-dark);
  margin-bottom: 16px;
}

.course-card-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 22px;
  border: 1.5px solid var(--primary);
  border-radius: 30px;
  color: var(--primary);
  font-size: 14px;
  font-weight: 600;
  text-decoration: none;
  transition: background 0.2s, color 0.2s;
}
.course-card-btn:hover { background: var(--primary); color: var(--white); text-decoration: none; }

@media (max-width: 1024px) {
  .course-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 640px) {
  .course-grid { grid-template-columns: 1fr; }
}

/* ================================================
   COURSE DETAIL PAGE
================================================ */
.course-detail { padding: 70px 0 90px; }

.course-detail-grid {
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: 56px;
  align-items: start;
}

.course-detail-img { border-radius: 16px; overflow: hidden; box-shadow: var(--shadow-md); margin-bottom: 36px; }
.course-detail-img img { width: 100%; height: 360px; object-fit: cover; display: block; }

.course-detail-main h2 { font-size: 26px; font-weight: 800; color: var(--primary); margin-bottom: 16px; }
.course-detail-main p { font-size: 15px; color: var(--text); line-height: 1.8; margin-bottom: 20px; }
.course-detail-main h4 { font-size: 17px; font-weight: 700; color: var(--primary); margin: 28px 0 14px; }

.course-detail-list { display: flex; flex-direction: column; gap: 12px; margin-bottom: 8px; }
.course-detail-list-item { display: flex; align-items: flex-start; gap: 10px; font-size: 14px; color: var(--text); line-height: 1.6; }
.course-detail-list-item i { color: var(--secondary-dark); font-size: 15px; margin-top: 3px; flex-shrink: 0; }

.course-detail-side {
  background: var(--light);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 32px 28px;
  position: sticky;
  top: 100px;
}
.course-detail-side h4 { font-size: 18px; font-weight: 800; color: var(--primary); margin-bottom: 18px; }
.course-detail-side .cds-row {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 0;
  border-bottom: 1px solid var(--border);
  font-size: 14px;
  color: var(--text);
}
.course-detail-side .cds-row:last-of-type { border-bottom: none; }
.course-detail-side .cds-row i { color: var(--primary); width: 18px; text-align: center; }
.course-detail-side .btn { width: 100%; justify-content: center; margin-top: 18px; }

@media (max-width: 900px) {
  .course-detail-grid { grid-template-columns: 1fr; }
  .course-detail-side { position: static; }
}