/* ===================================================
   TỔ ĐỘI THI CÔNG — Landing Page CSS v1.1
   Font: Plus Jakarta Sans (heading) + Be Vietnam Pro (body)
   Namespace: tdtc- (tránh xung đột với WordPress/Elementor)
=================================================== */

/* ─── VARIABLES ─── */
#tdtc-wrap {
  --tdtc-navy:       #0B1120;
  --tdtc-navy-mid:   #111827;
  --tdtc-navy-card:  #131E30;
  --tdtc-navy-light: #1E2D45;
  --tdtc-border:     #1F3050;
  --tdtc-cyan:       #00C2FF;
  --tdtc-cyan-dim:   #0090CC;
  --tdtc-cyan-glow:  rgba(0,194,255,.12);
  --tdtc-green:      #00E5A0;
  --tdtc-text:       #E2E8F0;
  --tdtc-muted:      #7A90AC;
  --tdtc-faint:      #3D5470;
  --tdtc-r:          6px;
  --tdtc-rl:         10px;
  --nav-h:           68px;
  font-family: 'Be Vietnam Pro', sans-serif;
  color: var(--tdtc-text);
  background: var(--tdtc-navy);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

/* ─── RESET inside wrap ─── */
#tdtc-wrap *, #tdtc-wrap *::before, #tdtc-wrap *::after { box-sizing: border-box; }
#tdtc-wrap img { max-width: 100%; display: block; }
#tdtc-wrap a { text-decoration: none; color: inherit; }
#tdtc-wrap ul { list-style: none; padding: 0; margin: 0; }
#tdtc-wrap p { margin: 0; }
#tdtc-wrap h1, #tdtc-wrap h2, #tdtc-wrap h3, #tdtc-wrap h4 { margin: 0; font-weight: 700; }

/* ─── UTILITIES ─── */
.tdtc-container { max-width: 1180px; margin: 0 auto; padding: 0 5%; }

.tdtc-tag {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 11px; font-weight: 700; letter-spacing: 2.5px;
  text-transform: uppercase; color: var(--tdtc-cyan); margin-bottom: 12px;
}
.tdtc-tag::before {
  content: ''; display: block; width: 22px; height: 2px;
  background: var(--tdtc-cyan); border-radius: 1px;
}

.tdtc-section-title {
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: clamp(26px, 3vw, 40px);
  font-weight: 800; color: #fff; line-height: 1.2; margin-bottom: 14px;
  letter-spacing: -0.02em;
}
.tdtc-section-sub {
  font-size: 15px; color: var(--tdtc-muted); line-height: 1.8; max-width: 560px;
}
.tdtc-accent { color: var(--tdtc-cyan); }

/* ─── BUTTONS ─── */
.tdtc-btn-primary {
  display: inline-flex; align-items: center; gap: 8px;
  background: var(--tdtc-cyan); color: #0B1120;
  font-family: 'Be Vietnam Pro', sans-serif; font-size: 14px; font-weight: 700;
  padding: 13px 26px; border: none; border-radius: var(--tdtc-r);
  cursor: pointer; transition: all .2s; letter-spacing: .3px;
}
.tdtc-btn-primary:hover { background: #33CCFF; transform: translateY(-2px); color: #0B1120; }

.tdtc-btn-outline {
  display: inline-flex; align-items: center; gap: 8px;
  background: transparent; color: var(--tdtc-cyan);
  font-family: 'Be Vietnam Pro', sans-serif; font-size: 14px; font-weight: 600;
  padding: 12px 24px; border: 1.5px solid var(--tdtc-cyan);
  border-radius: var(--tdtc-r); cursor: pointer; transition: all .2s;
}
.tdtc-btn-outline:hover { background: var(--tdtc-cyan-glow); color: var(--tdtc-cyan); }

.tdtc-chip {
  display: inline-flex; align-items: center; gap: 5px;
  font-size: 12px; font-weight: 600; color: var(--tdtc-cyan);
  background: var(--tdtc-cyan-glow);
  border: 1px solid rgba(0,194,255,.25);
  padding: 4px 10px; border-radius: 20px;
}

/* ─── NAV ─── */
#tdtc-nav {
  position: fixed; top: 0; left: 0; right: 0; height: var(--nav-h); z-index: 9999;
  background: rgba(11,17,32,.95); border-bottom: 1px solid var(--tdtc-border);
  backdrop-filter: blur(14px);
}
.tdtc-nav-inner {
  max-width: 1180px; margin: 0 auto; padding: 0 5%;
  height: 100%; display: flex; align-items: center; justify-content: space-between;
}
.tdtc-logo, .tdtc-nav-logo {
  display: flex; align-items: center; gap: 11px; color: inherit;
}
.tdtc-logo-mark {
  width: 38px; height: 38px; background: var(--tdtc-cyan);
  border-radius: var(--tdtc-r); display: flex; align-items: center;
  justify-content: center; flex-shrink: 0;
}
.tdtc-logo-text {
  font-family: 'Plus Jakarta Sans', sans-serif; font-size: 15px; font-weight: 800;
  color: #fff; line-height: 1.2; letter-spacing: -0.01em;
}
.tdtc-logo-text span {
  font-family: 'Be Vietnam Pro', sans-serif; font-size: 11px;
  font-weight: 400; color: var(--tdtc-muted); display: block;
}
.tdtc-nav-menu { display: flex; gap: 28px; }
.tdtc-nav-menu a { font-size: 13.5px; font-weight: 500; color: var(--tdtc-muted); transition: color .2s; }
.tdtc-nav-menu a:hover { color: var(--tdtc-cyan); }
.tdtc-nav-cta {
  background: var(--tdtc-cyan); color: #0B1120;
  font-family: 'Be Vietnam Pro', sans-serif; font-size: 13px; font-weight: 700;
  padding: 9px 20px; border: none; border-radius: var(--tdtc-r);
  cursor: pointer; transition: all .2s;
}
.tdtc-nav-cta:hover { background: #33CCFF; color: #0B1120; }

/* hamburger — mobile */
.tdtc-hamburger {
  display: none; flex-direction: column; gap: 5px; background: none;
  border: none; cursor: pointer; padding: 4px;
}
.tdtc-hamburger span { display: block; width: 22px; height: 2px; background: var(--tdtc-text); border-radius: 1px; transition: all .2s; }

/* ─── HERO ─── */
.tdtc-hero {
  min-height: 100vh; padding-top: var(--nav-h);
  background: var(--tdtc-navy);
  display: grid; grid-template-columns: 1fr 1fr; align-items: center;
  position: relative; overflow: hidden;
}
.tdtc-hero::before {
  content: ''; position: absolute; inset: 0; pointer-events: none;
  background-image:
    linear-gradient(var(--tdtc-border) 1px, transparent 1px),
    linear-gradient(90deg, var(--tdtc-border) 1px, transparent 1px);
  background-size: 60px 60px; opacity: .3;
}
.tdtc-hero::after {
  content: ''; position: absolute; pointer-events: none;
  width: 700px; height: 700px; border-radius: 50%;
  background: radial-gradient(circle, rgba(0,194,255,.07) 0%, transparent 70%);
  top: 50%; left: 60%; transform: translate(-50%, -50%);
}
.tdtc-hero-left { padding: 80px 5% 80px 8%; position: relative; z-index: 1; }
.tdtc-hero-chips { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 22px; }

.tdtc-hero-left h1 {
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: clamp(32px, 4vw, 56px); font-weight: 800;
  color: #fff; line-height: 1.08; margin-bottom: 20px;
  letter-spacing: -0.03em;
}
.tdtc-hero-left p { font-size: 16px; color: var(--tdtc-muted); line-height: 1.8; max-width: 460px; margin-bottom: 32px; }
.tdtc-hero-btns { display: flex; gap: 14px; flex-wrap: wrap; }

.tdtc-hero-stats {
  display: flex; margin-top: 44px;
  border-top: 1px solid var(--tdtc-border); padding-top: 28px;
}
.tdtc-hstat { flex: 1; padding: 0 20px; border-right: 1px solid var(--tdtc-border); }
.tdtc-hstat:first-child { padding-left: 0; }
.tdtc-hstat:last-child { border-right: none; }
.tdtc-hstat-num { font-family: 'Plus Jakarta Sans', sans-serif; font-size: 28px; font-weight: 800; color: var(--tdtc-cyan); letter-spacing: -0.02em; }
.tdtc-hstat-lbl { font-size: 12px; color: var(--tdtc-muted); margin-top: 3px; }

.tdtc-hero-right {
  height: 100vh; position: relative; z-index: 1;
  display: flex; align-items: center; justify-content: center; padding: 80px 5% 80px 0;
}
.tdtc-hero-visual {
  width: 100%; max-width: 440px; height: 340px;
  background: var(--tdtc-navy-card); border: 1px solid var(--tdtc-border);
  border-radius: var(--tdtc-rl); overflow: hidden;
}
.tdtc-vis-header {
  background: var(--tdtc-navy-light); border-bottom: 1px solid var(--tdtc-border);
  padding: 10px 14px; display: flex; align-items: center; gap: 7px;
}
.tdtc-dot { width: 10px; height: 10px; border-radius: 50%; }
.tdtc-dot.r { background: #FF5F5F; }
.tdtc-dot.y { background: #FFBE2E; }
.tdtc-dot.g { background: #26C940; }
.tdtc-vis-title { font-size: 10px; color: var(--tdtc-muted); margin-left: 6px; font-weight: 600; letter-spacing: .5px; }
.tdtc-online { margin-left: auto; font-size: 10px; font-weight: 700; color: var(--tdtc-green); }

.tdtc-cam-grid {
  display: grid; grid-template-columns: 1fr 1fr; grid-template-rows: 1fr 1fr;
  gap: 3px; padding: 10px; height: calc(100% - 40px);
}
.tdtc-cam-feed {
  background: var(--tdtc-navy-light); border-radius: 4px; position: relative;
  display: flex; align-items: center; justify-content: center; overflow: hidden;
}
.tdtc-cam-feed::before {
  content: ''; position: absolute; inset: 0;
  background: repeating-linear-gradient(0deg, transparent, transparent 18px, rgba(0,194,255,.03) 18px, rgba(0,194,255,.03) 19px);
}
.tdtc-cam-label {
  position: absolute; top: 5px; left: 5px; font-size: 9px; font-weight: 700;
  color: var(--tdtc-cyan); letter-spacing: 1px;
  background: rgba(0,194,255,.15); padding: 2px 5px; border-radius: 3px;
}
.tdtc-cam-rec {
  position: absolute; top: 6px; right: 6px; width: 7px; height: 7px;
  background: #FF5F5F; border-radius: 50%;
  animation: tdtc-blink 1.4s ease-in-out infinite;
}
@keyframes tdtc-blink { 0%, 100% { opacity: 1; } 50% { opacity: .2; } }

/* floating badges */
.tdtc-float-badge {
  position: absolute; background: var(--tdtc-navy-card);
  border: 1px solid var(--tdtc-border); border-radius: var(--tdtc-r);
  padding: 11px 15px; display: flex; align-items: center; gap: 10px;
  box-shadow: 0 8px 30px rgba(0,0,0,.4);
}
.tdtc-float-badge strong { display: block; font-size: 13px; font-weight: 700; color: #fff; }
.tdtc-float-badge span { font-size: 11px; color: var(--tdtc-muted); }
.tdtc-fb-icon {
  width: 34px; height: 34px; background: var(--tdtc-cyan-glow);
  border-radius: var(--tdtc-r); display: flex; align-items: center;
  justify-content: center; flex-shrink: 0;
}
.tdtc-fb1 { bottom: 80px; left: -20px; }
.tdtc-fb2 { top: 80px; right: -10px; }

/* ─── SECTION BASE ─── */
.tdtc-section { padding: 90px 0; }
.tdtc-section--dark { background: var(--tdtc-navy); }
.tdtc-section--mid  { background: var(--tdtc-navy-mid); }

/* ─── SERVICES ─── */
.tdtc-services-top {
  display: grid; grid-template-columns: 1fr 1fr; gap: 40px;
  align-items: end; margin-bottom: 50px;
}
.tdtc-svc-grid {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 1px; background: var(--tdtc-border);
}
.tdtc-svc-card {
  background: var(--tdtc-navy-mid); padding: 34px 28px;
  transition: background .25s; position: relative; overflow: hidden;
}
.tdtc-svc-card::after {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 2px;
  background: var(--tdtc-cyan); transform: scaleX(0); transform-origin: left; transition: transform .3s;
}
.tdtc-svc-card:hover { background: var(--tdtc-navy-card); }
.tdtc-svc-card:hover::after { transform: scaleX(1); }
.tdtc-svc-num {
  font-family: 'Plus Jakarta Sans', sans-serif; font-size: 36px; font-weight: 800;
  color: var(--tdtc-border); line-height: 1; margin-bottom: 16px; transition: color .25s;
  letter-spacing: -0.02em;
}
.tdtc-svc-card:hover .tdtc-svc-num { color: var(--tdtc-faint); }
.tdtc-svc-icon {
  width: 46px; height: 46px; background: var(--tdtc-navy-light);
  border-radius: var(--tdtc-r); display: flex; align-items: center;
  justify-content: center; margin-bottom: 16px;
  border: 1px solid var(--tdtc-border); transition: all .25s;
}
.tdtc-svc-card:hover .tdtc-svc-icon { background: var(--tdtc-cyan-glow); border-color: rgba(0,194,255,.4); }
.tdtc-svc-card h3 { font-size: 16px; font-weight: 700; color: #fff; margin-bottom: 9px; }
.tdtc-svc-card p { font-size: 13.5px; color: var(--tdtc-muted); line-height: 1.7; margin-bottom: 16px; }
.tdtc-svc-list { display: flex; flex-direction: column; gap: 5px; margin-bottom: 18px; }
.tdtc-svc-list li {
  font-size: 12.5px; color: var(--tdtc-muted);
  display: flex; align-items: center; gap: 7px;
}
.tdtc-svc-list li::before {
  content: ''; width: 5px; height: 5px;
  background: var(--tdtc-cyan); border-radius: 50%; flex-shrink: 0;
}
.tdtc-svc-link {
  font-size: 12.5px; font-weight: 700; color: var(--tdtc-cyan);
  display: inline-flex; align-items: center; gap: 5px; transition: gap .2s;
}
.tdtc-svc-card:hover .tdtc-svc-link { gap: 10px; }

/* ─── ABOUT ─── */
.tdtc-about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 70px; align-items: center; }
.tdtc-about-feats { display: flex; flex-direction: column; gap: 14px; margin-top: 30px; }
.tdtc-feat {
  display: flex; gap: 14px; padding: 18px;
  background: var(--tdtc-navy-card); border: 1px solid var(--tdtc-border);
  border-radius: var(--tdtc-r); transition: border-color .2s;
}
.tdtc-feat:hover { border-color: rgba(0,194,255,.4); }
.tdtc-feat-ico {
  width: 38px; height: 38px; background: var(--tdtc-cyan-glow);
  border-radius: var(--tdtc-r); display: flex; align-items: center;
  justify-content: center; flex-shrink: 0; border: 1px solid rgba(0,194,255,.2);
}
.tdtc-feat h4 { font-size: 14px; font-weight: 700; color: #fff; margin-bottom: 4px; }
.tdtc-feat p { font-size: 13px; color: var(--tdtc-muted); line-height: 1.6; }

/* about visual */
.tdtc-about-right { position: relative; }
.tdtc-avis {
  background: var(--tdtc-navy-card); border: 1px solid var(--tdtc-border);
  border-radius: var(--tdtc-rl); overflow: hidden;
}
.tdtc-avis-header {
  background: var(--tdtc-navy-light); border-bottom: 1px solid var(--tdtc-border);
  padding: 13px 18px; display: flex; align-items: center; justify-content: space-between;
}
.tdtc-avis-header > span:first-child { font-size: 12px; font-weight: 700; color: #fff; letter-spacing: .5px; }
.tdtc-online-dot { font-size: 11px; color: var(--tdtc-green); display: flex; align-items: center; gap: 5px; }
.tdtc-online-dot::before { content: ''; width: 7px; height: 7px; background: var(--tdtc-green); border-radius: 50%; display: block; }
.tdtc-avis-body { padding: 18px; display: flex; flex-direction: column; gap: 12px; }
.tdtc-metric-label { display: flex; justify-content: space-between; font-size: 12px; color: var(--tdtc-muted); margin-bottom: 5px; }
.tdtc-metric-label span:last-child { color: var(--tdtc-cyan); font-weight: 700; }
.tdtc-metric-bar { height: 5px; background: var(--tdtc-navy-light); border-radius: 3px; overflow: hidden; }
.tdtc-metric-fill { height: 100%; border-radius: 3px; background: linear-gradient(90deg, var(--tdtc-cyan-dim), var(--tdtc-cyan)); }
.tdtc-avis-devices {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 1px; background: var(--tdtc-border); border-top: 1px solid var(--tdtc-border);
}
.tdtc-avis-dev { background: var(--tdtc-navy-card); padding: 14px; text-align: center; }
.tdtc-dev-num { font-family: 'Plus Jakarta Sans', sans-serif; font-size: 22px; font-weight: 800; color: var(--tdtc-cyan); }
.tdtc-dev-lbl { font-size: 11px; color: var(--tdtc-muted); margin-top: 2px; }

.tdtc-exp-box {
  position: absolute; bottom: -16px; left: -16px;
  background: var(--tdtc-cyan); padding: 18px 22px; border-radius: var(--tdtc-r);
  text-align: center; box-shadow: 0 8px 28px rgba(0,194,255,.3);
}
.tdtc-exp-num { font-family: 'Plus Jakarta Sans', sans-serif; font-size: 38px; font-weight: 800; color: #0B1120; line-height: 1; letter-spacing: -0.03em; }
.tdtc-exp-lbl { font-size: 11px; font-weight: 700; color: #0B1120; opacity: .75; letter-spacing: .5px; }

/* ─── PROCESS ─── */
.tdtc-process-grid {
  display: grid; grid-template-columns: repeat(4, 1fr);
  gap: 1px; background: var(--tdtc-border); margin-top: 50px;
}
.tdtc-pstep {
  background: var(--tdtc-navy-mid); padding: 32px 24px;
  position: relative; transition: background .25s;
}
.tdtc-pstep:hover { background: var(--tdtc-navy-card); }
.tdtc-pstep-num {
  font-family: 'Plus Jakarta Sans', sans-serif; font-size: 46px; font-weight: 800;
  color: var(--tdtc-border); line-height: 1; margin-bottom: 16px; transition: color .25s;
  letter-spacing: -0.03em;
}
.tdtc-pstep:hover .tdtc-pstep-num { color: var(--tdtc-faint); }
.tdtc-pstep h3 { font-size: 16px; font-weight: 700; color: #fff; margin-bottom: 9px; }
.tdtc-pstep p { font-size: 13px; color: var(--tdtc-muted); line-height: 1.7; }
.tdtc-pstep-arrow {
  position: absolute; right: -13px; top: 38px;
  width: 26px; height: 26px; background: var(--tdtc-cyan);
  border-radius: 50%; display: flex; align-items: center; justify-content: center;
  font-size: 16px; color: #0B1120; font-weight: 700; z-index: 2; line-height: 1;
}

/* ─── STATS BAND ─── */
.tdtc-stats-band { background: var(--tdtc-cyan); padding: 56px 0; }
.tdtc-stats-band .tdtc-container {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 0;
}
.tdtc-sband-item {
  padding: 8px 20px; text-align: center;
  border-right: 1px solid rgba(11,17,32,.2);
}
.tdtc-sband-item:last-child { border-right: none; }
.tdtc-sband-num { font-family: 'Plus Jakarta Sans', sans-serif; font-size: 42px; font-weight: 800; color: #0B1120; line-height: 1; letter-spacing: -0.03em; }
.tdtc-sband-lbl { font-size: 13px; color: rgba(11,17,32,.7); margin-top: 6px; font-weight: 500; }

/* ─── TESTIMONIALS ─── */
.tdtc-testi-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-top: 50px; }
.tdtc-tcard {
  background: var(--tdtc-navy-card); border: 1px solid var(--tdtc-border);
  border-radius: var(--tdtc-rl); padding: 28px 24px;
  transition: border-color .2s; position: relative; overflow: hidden;
}
.tdtc-tcard::before {
  content: '"'; position: absolute; top: 8px; right: 18px;
  font-size: 72px; font-family: 'Plus Jakarta Sans', sans-serif; font-weight: 800;
  color: var(--tdtc-border); line-height: 1; pointer-events: none;
}
.tdtc-tcard:hover { border-color: rgba(0,194,255,.3); }
.tdtc-stars { color: var(--tdtc-cyan); font-size: 13px; letter-spacing: 2px; margin-bottom: 12px; }
.tdtc-tcard-text { font-size: 14px; color: var(--tdtc-muted); line-height: 1.8; margin-bottom: 20px; font-style: italic; position: relative; z-index: 1; }
.tdtc-tcard-author { display: flex; align-items: center; gap: 11px; }
.tdtc-ava {
  width: 40px; height: 40px; border-radius: 50%;
  background: var(--tdtc-navy-light); border: 2px solid var(--tdtc-border);
  display: flex; align-items: center; justify-content: center;
  font-size: 13px; font-weight: 800; color: var(--tdtc-cyan); flex-shrink: 0;
}
.tdtc-author-name { font-size: 14px; font-weight: 700; color: #fff; }
.tdtc-author-role { font-size: 12px; color: var(--tdtc-muted); margin-top: 2px; }

/* ─── CTA BANNER ─── */
.tdtc-cta-banner {
  background: var(--tdtc-navy-light);
  border-top: 1px solid var(--tdtc-border); border-bottom: 1px solid var(--tdtc-border);
  padding: 72px 0;
}
.tdtc-cta-inner { display: flex; align-items: center; justify-content: space-between; gap: 40px; flex-wrap: wrap; }
.tdtc-cta-inner h2 { font-family: 'Plus Jakarta Sans', sans-serif; font-size: clamp(24px, 3vw, 34px); font-weight: 800; color: #fff; max-width: 500px; line-height: 1.25; }
.tdtc-cta-btns { display: flex; gap: 14px; flex-wrap: wrap; }

/* ─── CONTACT ─── */
.tdtc-contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; margin-top: 36px; }
.tdtc-ccards { display: flex; flex-direction: column; gap: 12px; margin-top: 28px; }
.tdtc-ccard {
  display: flex; align-items: flex-start; gap: 14px; padding: 18px;
  background: var(--tdtc-navy-card); border: 1px solid var(--tdtc-border);
  border-radius: var(--tdtc-r); transition: border-color .2s;
}
.tdtc-ccard:hover { border-color: rgba(0,194,255,.4); }
.tdtc-cc-ico {
  width: 42px; height: 42px; background: var(--tdtc-cyan-glow);
  border-radius: var(--tdtc-r); display: flex; align-items: center;
  justify-content: center; flex-shrink: 0; border: 1px solid rgba(0,194,255,.2);
}
.tdtc-cc-tag { font-size: 10px; font-weight: 700; letter-spacing: 1.5px; text-transform: uppercase; color: var(--tdtc-faint); margin-bottom: 3px; }
.tdtc-cc-val { font-size: 15px; font-weight: 700; color: #fff; }
.tdtc-cc-val a { color: #fff; transition: color .2s; }
.tdtc-cc-val a:hover { color: var(--tdtc-cyan); }
.tdtc-cc-sub { font-size: 12px; color: var(--tdtc-muted); margin-top: 2px; }

/* Contact form */
.tdtc-contact-form {
  background: var(--tdtc-navy-card); border: 1px solid var(--tdtc-border);
  border-radius: var(--tdtc-rl); padding: 32px;
}
.tdtc-cf-title { font-family: 'Plus Jakarta Sans', sans-serif; font-size: 20px; font-weight: 700; color: #fff; margin-bottom: 22px; }
.tdtc-frow { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin-bottom: 14px; }
.tdtc-frow--single { grid-template-columns: 1fr; }
.tdtc-ffield { display: flex; flex-direction: column; gap: 5px; }
.tdtc-ffield label { font-size: 11px; font-weight: 700; color: var(--tdtc-muted); letter-spacing: 1px; text-transform: uppercase; }
.tdtc-ffield input,
.tdtc-ffield textarea,
.tdtc-ffield select {
  background: var(--tdtc-navy-light); border: 1px solid var(--tdtc-border);
  color: var(--tdtc-text); padding: 11px 13px; font-size: 14px;
  font-family: 'Be Vietnam Pro', sans-serif;
  border-radius: var(--tdtc-r); outline: none; transition: border-color .2s; width: 100%;
}
.tdtc-ffield input:focus,
.tdtc-ffield textarea:focus,
.tdtc-ffield select:focus { border-color: var(--tdtc-cyan); }
.tdtc-ffield textarea { resize: vertical; min-height: 95px; }
.tdtc-ffield select option { background: var(--tdtc-navy-mid); }
.tdtc-fsubmit {
  width: 100%; padding: 14px; background: var(--tdtc-cyan); border: none;
  border-radius: var(--tdtc-r); color: #0B1120; font-size: 14px; font-weight: 700;
  cursor: pointer; font-family: 'Be Vietnam Pro', sans-serif; letter-spacing: .3px; transition: all .2s;
  margin-top: 6px;
}
.tdtc-fsubmit:hover { background: #33CCFF; transform: translateY(-1px); }
.tdtc-form-success { background: rgba(0,229,160,.15); border: 1px solid rgba(0,229,160,.4); color: var(--tdtc-green); padding: 14px 16px; border-radius: var(--tdtc-r); font-size: 14px; font-weight: 600; margin-bottom: 16px; }
.tdtc-form-error { background: rgba(255,95,95,.12); border: 1px solid rgba(255,95,95,.3); color: #FF8080; padding: 12px 16px; border-radius: var(--tdtc-r); font-size: 14px; margin-bottom: 14px; }

/* ─── FOOTER ─── */
.tdtc-footer {
  background: #070D1A; border-top: 1px solid var(--tdtc-border); padding: 56px 0 26px;
}
.tdtc-footer-grid {
  display: grid; grid-template-columns: 1.5fr 1fr 1fr 1fr; gap: 40px; margin-bottom: 44px;
}
.tdtc-foot-brand p { font-size: 13px; color: var(--tdtc-muted); line-height: 1.8; margin-top: 14px; max-width: 270px; }
.tdtc-foot-col h4 { font-size: 11px; font-weight: 700; color: #fff; letter-spacing: 1.5px; text-transform: uppercase; margin-bottom: 14px; }
.tdtc-foot-col ul { display: flex; flex-direction: column; gap: 8px; }
.tdtc-foot-col ul li a { font-size: 13px; color: var(--tdtc-muted); transition: color .2s; }
.tdtc-foot-col ul li a:hover { color: var(--tdtc-cyan); }
.tdtc-foot-col ul li:not(:has(a)) { font-size: 13px; color: var(--tdtc-muted); }
.tdtc-foot-bottom {
  border-top: 1px solid var(--tdtc-border); padding-top: 22px;
  display: flex; justify-content: space-between; align-items: center;
  font-size: 12px; color: var(--tdtc-faint);
}
.tdtc-foot-bottom a { color: var(--tdtc-cyan); font-weight: 600; }

/* ─── RESPONSIVE ─── */
@media (max-width: 1024px) {
  .tdtc-services-top,
  .tdtc-about-grid,
  .tdtc-contact-grid { grid-template-columns: 1fr; }
  .tdtc-svc-grid { grid-template-columns: repeat(2, 1fr); }
  .tdtc-process-grid { grid-template-columns: repeat(2, 1fr); }
  .tdtc-fb1, .tdtc-fb2 { display: none; }
  .tdtc-footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 768px) {
  .tdtc-hero { grid-template-columns: 1fr; min-height: auto; padding: calc(var(--nav-h) + 40px) 0 40px; }
  .tdtc-hero-left { padding: 0 5% 40px; }
  .tdtc-hero-right { height: 280px; padding: 0 5% 20px; }
  .tdtc-hero-visual { max-width: 100%; height: 100%; }
  .tdtc-nav-menu { display: none; }
  .tdtc-hamburger { display: flex; }
  .tdtc-svc-grid { grid-template-columns: 1fr; }
  .tdtc-testi-grid { grid-template-columns: 1fr; }
  .tdtc-process-grid { grid-template-columns: 1fr; }
  .tdtc-stats-band .tdtc-container { grid-template-columns: repeat(2, 1fr); }
  .tdtc-footer-grid { grid-template-columns: 1fr; }
  .tdtc-pstep-arrow { display: none; }
  .tdtc-frow { grid-template-columns: 1fr; }
  .tdtc-section { padding: 60px 0; }
}
@media (max-width: 480px) {
  .tdtc-hero-left h1 { font-size: 30px; }
  .tdtc-section-title { font-size: 24px; }
  .tdtc-cta-inner { flex-direction: column; align-items: flex-start; }
  .tdtc-hero-stats { flex-direction: column; gap: 16px; }
  .tdtc-hstat { border-right: none; border-bottom: 1px solid var(--tdtc-border); padding: 0 0 12px; }
  .tdtc-hstat:last-child { border-bottom: none; padding-bottom: 0; }
}

/* ─── Mobile nav menu (JS toggle) ─── */
#tdtc-nav.tdtc-menu-open .tdtc-nav-menu {
  display: flex; flex-direction: column; gap: 0;
  position: fixed; top: var(--nav-h); left: 0; right: 0;
  background: rgba(11,17,32,.98); border-bottom: 1px solid var(--tdtc-border);
  padding: 16px 5%; z-index: 9998;
}
#tdtc-nav.tdtc-menu-open .tdtc-nav-menu a { padding: 12px 0; border-bottom: 1px solid var(--tdtc-border); display: block; }
#tdtc-nav.tdtc-menu-open .tdtc-nav-menu li:last-child a { border-bottom: none; }