/* TKT Theme · footer (markup = footer live tktf, parts/footer.php) + dock liên hệ (markup = .tkts-wrap, parts/dock.php).
   Giữ bố cục + kích thước của bản live (site-chrome.css FOOTER v2 + TKX DOCK + lớp vá tkt-dock-fix), chỉ đổi màu/chữ/
   bo góc/chuyển động sang token DS 2.1. Nền cam chữ ink (--fg-1), không chữ trắng; không animation xoay (STYLEGUIDE §Z3). */

/* ================================ Footer ================================ */
.tktf-root { position: relative; overflow: hidden; background: var(--bg-dark); color: var(--fg-on-dark-2); font-family: var(--font-display); font-feature-settings: normal; }
.tktf-root * { box-sizing: border-box; }
.tktf-root .tktf-aurora { position: absolute; inset: 0; pointer-events: none;
  background: radial-gradient(60% 50% at 12% 0%, color-mix(in srgb, var(--tkt-blue-400) 32%, transparent), transparent 60%),
              radial-gradient(50% 50% at 95% 30%, color-mix(in srgb, var(--tkt-orange-500) 16%, transparent), transparent 70%),
              radial-gradient(80% 60% at 50% 110%, color-mix(in srgb, var(--tkt-blue-600) 50%, transparent), transparent 70%); }
.tktf-root .tktf-grid { position: absolute; inset: 0; pointer-events: none; background-size: 56px 56px;
  background-image: linear-gradient(var(--glass-dark-fill) 1px, transparent 1px), linear-gradient(90deg, var(--glass-dark-fill) 1px, transparent 1px);
  -webkit-mask-image: radial-gradient(80% 80% at 50% 50%, var(--bg-dark), transparent 100%); mask-image: radial-gradient(80% 80% at 50% 50%, var(--bg-dark), transparent 100%); opacity: .3; }
.tktf-inner { position: relative; z-index: 1; max-width: 1350px; margin: 0 auto; padding: 36px var(--s-5) var(--s-4); display: grid; grid-template-columns: 1.5fr 1fr 1fr 1fr 1.4fr; gap: 28px; }
.tktf-root h5 { display: flex; align-items: center; justify-content: space-between; margin: 0 0 14px; font: var(--w-bold) 11px/1.2 var(--font-mono); letter-spacing: .22em; color: var(--tkt-blue-300); }
.tktf-root h5 .tktf-toggle { display: none; width: 20px; height: 20px; transition: transform var(--dur-2) var(--ease-out); }
.tktf-root ul { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 6px; }
.tktf-root a { text-decoration: none; }
.tktf-root ul a { display: inline-flex; align-items: center; gap: var(--s-2); font-size: 13.5px; font-weight: var(--w-medium); line-height: 1.4; color: var(--fg-on-dark-2); transition: color var(--dur-1) var(--ease-out); }
.tktf-root ul a:hover { color: var(--fg-on-dark-1); }
.tktf-root ul a.tktf-is-hot { color: var(--tkt-orange-300); font-weight: var(--w-demi); }
.tktf-root ul a.tktf-is-hot:hover { color: var(--tkt-orange-200); }

/* Khối thương hiệu */
.tktf-brand-block { min-width: 0; }
.tktf-brand-block .tktf-logo-row { display: flex; align-items: center; gap: 14px; margin-bottom: var(--s-3); }
.tktf-brand-block .tktf-logo-row img { display: block; height: 52px !important; width: auto !important; max-width: none !important; object-fit: contain; }
.tktf-brand-block .tktf-name-lg { font: var(--w-bold) 22px/1 var(--font-display); letter-spacing: .04em; color: var(--fg-on-dark-1); }
.tktf-brand-block .tktf-tagline { max-width: 360px; margin: 0 0 10px; font-size: 13px; line-height: 1.5; color: var(--fg-on-dark-2); }
.tktf-brand-block .tktf-tagline strong { color: var(--fg-on-dark-1); font-weight: var(--w-demi); }
.tktf-contact { margin-top: 2px; padding: var(--s-3) 14px; border-radius: var(--r-16); background: var(--glass-dark-fill); border: 1px solid var(--glass-dark-stroke); }
.tktf-contact .tktf-row { display: flex; align-items: center; gap: 10px; margin-bottom: var(--s-2); }
.tktf-contact .tktf-row:last-child { margin-bottom: 0; }
.tktf-contact .tktf-icon { flex-shrink: 0; width: 30px; height: 30px; border-radius: 50%; display: inline-flex; align-items: center; justify-content: center;
  background: color-mix(in srgb, var(--tkt-blue-400) 18%, transparent); color: var(--tkt-blue-300); }
.tktf-contact .tktf-icon svg { width: 13px; height: 13px; }
.tktf-contact .tktf-label { font-size: 10px; font-weight: var(--w-demi); letter-spacing: .12em; color: var(--fg-on-dark-3); }
.tktf-contact .tktf-value { display: block; margin-top: 1px; font-size: 13.5px; font-weight: var(--w-demi); line-height: 1.35; color: var(--fg-on-dark-1); }
.tktf-contact .tktf-value--addr { font-size: 13px; line-height: 1.4; }
.tktf-contact a.tktf-value { transition: color var(--dur-1) var(--ease-out); }
.tktf-contact a.tktf-value:hover { color: var(--tkt-orange-300); }

/* Dấu ISO */
.tktf-iso { display: inline-flex; align-items: center; gap: var(--s-3); margin-top: 14px; padding: 10px var(--s-4) 10px 10px; border-radius: var(--r-16);
  background: color-mix(in srgb, var(--tkt-blue-400) 14%, transparent); border: 1.5px solid color-mix(in srgb, var(--tkt-blue-300) 35%, transparent); }
.tktf-iso .tktf-seal { flex-shrink: 0; width: 42px; height: 42px; border-radius: 50%; display: inline-flex; align-items: center; justify-content: center;
  background: linear-gradient(135deg, var(--tkt-blue-400) 0%, var(--tkt-blue-700) 100%); color: var(--fg-on-dark-1); box-shadow: var(--elev-2); }
.tktf-iso .tktf-seal svg { width: 22px; height: 22px; stroke-width: 2.2; }
.tktf-iso .tktf-iso-text { display: flex; flex-direction: column; gap: 3px; }
.tktf-iso .tktf-iso-title { font: var(--w-bold) 13px/1 var(--font-mono); letter-spacing: .1em; color: var(--fg-on-dark-1); }
.tktf-iso .tktf-iso-subtitle { font-size: 10.5px; line-height: 1.2; letter-spacing: .04em; color: var(--fg-on-dark-3); }

/* Cột báo giá nhanh */
.tktf-newsletter h5 { color: var(--tkt-orange-300); }
.tktf-newsletter .tktf-desc { max-width: 280px; margin: 0 0 var(--s-3); font-size: 13px; line-height: 1.5; color: var(--fg-on-dark-2); }
.tktf-quick-form { display: grid; gap: var(--s-2); margin: 0; }
.tktf-quick-form .screen-reader-text { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.tktf-quick-form .tktf-hp { position: absolute; left: -9999px; width: 1px; height: 1px; opacity: 0; }
.tktf-quick-form .tktf-qf-field { display: flex; flex: 1; min-width: 0; }
.tktf-quick-form > .tktf-qf-field, .tktf-quick-form .tktf-qf-row { display: flex; align-items: center; gap: 4px; padding: 4px 4px 4px 14px; border-radius: var(--r-pill);
  background: var(--glass-dark-fill); border: 1px solid var(--glass-dark-stroke); transition: border-color var(--dur-2) var(--ease-out), box-shadow var(--dur-2) var(--ease-out); }
.tktf-quick-form > .tktf-qf-field { padding-right: 14px; }
.tktf-quick-form > .tktf-qf-field:focus-within, .tktf-quick-form .tktf-qf-row:focus-within { border-color: var(--tkt-blue-300); box-shadow: 0 0 0 3px color-mix(in srgb, var(--tkt-blue-300) 20%, transparent); }
.tktf-quick-form input { flex: 1; min-width: 0; padding: var(--s-2) 0; border: 0; outline: 0; background: transparent; font: var(--w-book) 13px var(--font-display); color: var(--fg-on-dark-1); }
.tktf-quick-form input::placeholder { color: var(--fg-on-dark-4); }
.tktf-quick-form button { display: inline-flex; align-items: center; gap: 6px; padding: 9px 18px; border: 0; border-radius: var(--r-pill); cursor: pointer; white-space: nowrap;
  background: var(--tkt-orange-500); color: var(--fg-1); font: var(--w-bold) 12.5px var(--font-display); box-shadow: var(--elev-cta);
  transition: transform var(--dur-2) var(--ease-out), box-shadow var(--dur-2) var(--ease-out); }
.tktf-quick-form button:hover { transform: translateY(-1px); box-shadow: var(--elev-cta-hover); }
.tktf-quick-form button[disabled] { opacity: .6; cursor: progress; transform: none; }
.tktf-quick-form .tktf-qf-msg { margin: 0; min-height: 1em; font-size: 12.5px; line-height: 1.4; color: var(--fg-on-dark-2); }
.tktf-quick-form .tktf-qf-msg.is-ok { color: var(--tkt-orange-300); }
.tktf-social-row { display: flex; gap: 10px; margin-top: var(--s-4); }
.tktf-social-row .tktf-social-link { width: 40px; height: 40px; display: inline-flex; align-items: center; justify-content: center; border-radius: 50%;
  background: var(--glass-dark-fill); border: 1px solid var(--glass-dark-stroke); color: var(--fg-on-dark-2);
  transition: background var(--dur-2) var(--ease-out), color var(--dur-2) var(--ease-out), transform var(--dur-2) var(--ease-out); }
.tktf-social-row .tktf-social-link:hover { background: var(--tkt-blue-600); color: var(--fg-on-dark-1); transform: translateY(-2px); }
.tktf-social-row .tktf-social-link svg { width: 16px; height: 16px; }
.tktf-root .tktf-yt-play { fill: var(--bg-dark); }
.tktf-root .tktf-zl { font: var(--w-bold) 11px var(--font-display); letter-spacing: .04em; }
.tktf-newsletter .tktf-tool-btn { display: flex; align-items: center; gap: var(--s-3); width: 100%; margin-top: var(--s-4); padding: 11px 14px; border-radius: var(--r-16);
  background: var(--glass-dark-fill); border: 1px solid var(--glass-dark-stroke); color: var(--fg-on-dark-1);
  transition: background var(--dur-2) var(--ease-out), border-color var(--dur-2) var(--ease-out), transform var(--dur-2) var(--ease-out); }
.tktf-newsletter .tktf-tool-btn:hover { background: var(--glass-dark-stroke); border-color: var(--tkt-orange-400); transform: translateY(-2px); }
.tktf-tool-btn .tktf-tb-ic { flex-shrink: 0; width: 34px; height: 34px; border-radius: var(--r-12); display: inline-flex; align-items: center; justify-content: center;
  background: color-mix(in srgb, var(--tkt-orange-500) 16%, transparent); color: var(--tkt-orange-300); }
.tktf-tool-btn .tktf-tb-tx { display: flex; flex-direction: column; gap: 2px; min-width: 0; }
.tktf-tool-btn .tktf-tb-title { font-size: 13.5px; font-weight: var(--w-demi); line-height: 1.15; }
.tktf-tool-btn .tktf-tb-sub { font-size: 11px; line-height: 1.3; color: var(--fg-on-dark-3); }
.tktf-tool-btn .tktf-tb-arrow { flex-shrink: 0; margin-left: auto; color: var(--fg-on-dark-3); transition: color var(--dur-2) var(--ease-out); }
.tktf-tool-btn:hover .tktf-tb-arrow { color: var(--tkt-orange-300); }

.tktf-gp-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 4px var(--s-4); }
.tktf-gp-grid li > a { white-space: nowrap; }
.tktf-member { margin-top: 14px; padding-top: var(--s-3); border-top: 1px solid var(--glass-dark-stroke); }
.tktf-member .tktf-label { margin-bottom: 6px; font: var(--w-bold) 9.5px/1.2 var(--font-mono); letter-spacing: .18em; color: var(--tkt-blue-300); }
.tktf-member a { display: inline-block; margin-right: var(--s-3); padding: 2px 0; font-size: 12.5px; color: var(--fg-on-dark-2); transition: color var(--dur-1) var(--ease-out); }
.tktf-member a:hover { color: var(--tkt-orange-300); }

/* Dải pháp lý */
.tktf-legal { position: relative; z-index: 1; max-width: 1350px; margin: 0 auto; padding: 14px var(--s-5); display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 14px;
  border-top: 1px solid var(--glass-dark-stroke); font-size: 12px; color: var(--fg-on-dark-3); }
.tktf-legal strong { color: var(--fg-on-dark-2); font-weight: var(--w-demi); }
.tktf-legal .tktf-legal-badges { display: flex; flex-wrap: wrap; align-items: center; gap: 14px; }
.tktf-legal .tktf-seal-link { display: inline-flex; align-items: center; justify-content: center; transition: transform var(--dur-2) var(--ease-out); }
.tktf-legal .tktf-seal-link:hover { transform: translateY(-2px); }
.tktf-legal .tktf-seal-link img { display: block; width: auto; max-width: 100%; }
.tktf-legal .tktf-seal-link.is-bct img { height: 34px !important; }
.tktf-legal .tktf-seal-link.is-dmca img { height: 22px !important; }
.tktf-legal .tktf-legal-right { display: flex; align-items: center; gap: var(--s-3); }
.tktf-legal .tktf-status { display: inline-flex; align-items: center; gap: 6px; padding: 4px 10px; border-radius: var(--r-pill);
  background: color-mix(in srgb, var(--semantic-success-dot) 12%, transparent); border: 1px solid color-mix(in srgb, var(--semantic-success-dot) 28%, transparent);
  font: var(--w-bold) 10px/1.2 var(--font-mono); letter-spacing: .14em; text-transform: uppercase; color: var(--semantic-success-dot); }
.tktf-legal .tktf-dot { display: inline-block; width: 6px; height: 6px; border-radius: 50%; background: var(--semantic-success-dot); }
.tktf-legal .tktf-quick-cta { display: inline-flex; align-items: center; gap: 6px; padding: 7px 14px; border-radius: var(--r-pill); background: var(--tkt-orange-500); color: var(--fg-1);
  font: var(--w-bold) 12.5px var(--font-display); box-shadow: var(--elev-cta); transition: transform var(--dur-2) var(--ease-out), box-shadow var(--dur-2) var(--ease-out); }
.tktf-legal .tktf-quick-cta:hover { transform: translateY(-1px); box-shadow: var(--elev-cta-hover); }

/* Mobile: cột link thành accordion (bấm tiêu đề — assets/js/chrome.js) */
@media (max-width: 1024px) {
	.tktf-inner { grid-template-columns: 1fr; max-width: 560px; gap: 0; padding: 22px 20px 2px; }
	.tktf-brand-block .tktf-logo-row img { height: 44px !important; }
	.tktf-brand-block .tktf-tagline { max-width: none; }
	.tktf-iso { width: 100%; margin-top: 10px; }
	.tktf-col { border-bottom: 1px solid var(--glass-dark-stroke); }
	.tktf-col:last-child { border-bottom: 0; }
	.tktf-col:not(.tktf-is-brand):not(.tktf-newsletter) > h5 { margin: 0; padding: 15px 0; cursor: pointer; }
	.tktf-col:not(.tktf-is-brand):not(.tktf-newsletter) > h5 .tktf-toggle { display: block; }
	.tktf-col:not(.tktf-is-brand):not(.tktf-newsletter) .tktf-body { display: none; }
	.tktf-col:not(.tktf-is-brand):not(.tktf-newsletter).open .tktf-body { display: block; padding: 2px 0 15px; }
	.tktf-col:not(.tktf-is-brand):not(.tktf-newsletter).open > h5 .tktf-toggle { transform: rotate(180deg); }
	.tktf-col.tktf-is-brand { padding: 0 0 var(--s-4); }
	.tktf-col.tktf-newsletter { padding: var(--s-4) 0 4px; }
	.tktf-col.tktf-newsletter > h5 { margin: 0 0 var(--s-3); cursor: default; }
	.tktf-root ul { gap: 0; }
	.tktf-root ul a { padding: 7px 0; line-height: 1.3; }
	.tktf-gp-grid { gap: 0 14px; }
	.tktf-newsletter .tktf-desc { max-width: none; margin-bottom: 10px; }
	.tktf-social-row { gap: var(--s-2); }
	.tktf-social-row .tktf-social-link { width: 42px; height: 42px; }
	.tktf-legal { max-width: 560px; padding: 14px 20px 18px; flex-direction: column; align-items: stretch; gap: var(--s-3); }
	.tktf-legal .tktf-legal-badges { gap: var(--s-4); }
	.tktf-legal .tktf-legal-right { width: 100%; flex-wrap: wrap; justify-content: space-between; gap: 10px; }
	.tktf-legal .tktf-quick-cta { padding: 10px var(--s-4); }
}

/* ================================ Dock (Hotline cam + Zalo xanh, bên phải) ================================ */
.tkts-container { position: fixed; top: 33%; right: 0; z-index: var(--z-overlay); display: flex; flex-direction: column; align-items: flex-end;
  font-family: var(--font-display); filter: drop-shadow(0 16px 36px color-mix(in srgb, var(--tkt-blue-900) 26%, transparent)); }
.tkts-btn { position: relative; display: flex; align-items: center; justify-content: flex-end; width: 44px; height: 44px; overflow: hidden; isolation: isolate; cursor: pointer;
  text-decoration: none; -webkit-tap-highlight-color: transparent;
  transition: width var(--dur-4) var(--ease-spring), box-shadow var(--dur-3) var(--ease-out), filter var(--dur-3) var(--ease-out); }
.tkts-btn::before { content: ""; position: absolute; inset: 0; z-index: 1; border-radius: inherit; pointer-events: none;
  background: linear-gradient(158deg, color-mix(in srgb, var(--bg-pure) 34%, transparent), transparent 42%); }
.tkts-hotline { border-radius: var(--r-12) 0 0 0; background: var(--tkt-orange-500); border: 1px solid var(--glass-dark-stroke); border-right: 0; box-shadow: var(--elev-cta); }
.tkts-hotline:hover { width: 188px; box-shadow: var(--elev-cta-hover); }
.tkts-zalo { border-radius: 0 0 0 var(--r-12); background: linear-gradient(160deg, var(--tkt-blue-500) 0%, var(--tkt-blue-600) 58%, var(--tkt-blue-800) 100%);
  border: 1px solid var(--glass-dark-stroke); border-right: 0; box-shadow: var(--elev-3); }
.tkts-zalo:hover { width: 178px; }
.tkts-divider { width: 44px; height: 1px; align-self: flex-end; background: linear-gradient(270deg, var(--glass-dark-stroke), transparent); }
.tkts-icon-zone { order: 2; position: relative; z-index: 3; flex: 0 0 auto; width: 44px; min-width: 44px; height: 100%; display: flex; align-items: center; justify-content: center; }
.tkts-icon-zone::before { content: ""; position: absolute; width: 36px; height: 36px; border-radius: 50%; background: var(--glass-dark-stroke); transform: scale(0);
  transition: transform var(--dur-3) var(--ease-spring); }
.tkts-btn:hover .tkts-icon-zone::before { transform: scale(1); }
.tkts-icon { position: relative; z-index: 1; width: 28px !important; height: 28px !important; max-width: none !important; object-fit: contain; filter: brightness(0) invert(1); transition: transform var(--dur-3) var(--ease-spring); }
.tkts-hotline .tkts-icon { filter: brightness(0); opacity: .85; }
.tkts-btn:hover .tkts-icon { transform: scale(1.08); }
.tkts-dot { position: absolute; top: 4px; right: 4px; z-index: 4; width: 8px; height: 8px; border-radius: 50%; background: var(--semantic-success-dot); border: 2px solid var(--bg-pure); box-shadow: var(--elev-2); }
.tkts-text-zone { order: 1; position: relative; z-index: 3; display: flex; flex-direction: column; align-items: flex-end; padding: 3px 3px 3px 14px; white-space: nowrap;
  opacity: 0; transform: translateX(12px); transition: opacity var(--dur-3) var(--ease-out) 60ms, transform var(--dur-3) var(--ease-out) 60ms; }
.tkts-btn:hover .tkts-text-zone { opacity: 1; transform: translateX(0); }
.tkts-wrap .tkt-label { display: none; }
.tkts-wrap .tkt-number { font: var(--w-bold) 17px/1.2 var(--font-display); letter-spacing: .02em; }
.tkts-wrap .tkt-name { font: var(--w-bold) 14px/1.2 var(--font-display); letter-spacing: .01em; }
.tkts-wrap .tkt-sub { display: block; margin-top: 4px; font-size: 11px; line-height: 1.35; }
.tkts-hotline .tkt-number, .tkts-hotline .tkt-sub { color: var(--fg-1); }
.tkts-zalo .tkt-name { color: var(--fg-on-dark-1); }
.tkts-zalo .tkt-sub { color: var(--fg-on-dark-2); }
@media (max-width: 768px) {
	/* Trên nút trợ lý tkt-care (bottom 88px, cao 64px) thay vì chồng lên nó (QA UX #9). */
	.tkts-container { top: auto; bottom: 168px; }
	.tkts-hotline:hover { width: 182px; }
	.tkts-zalo:hover { width: 172px; }
}
/* Bong bóng chào của trợ lý che mô tả SP, số hotline trong hộp CTA và nút "Bắt đầu lại" ở công cụ chọn bơm (QA UX #9):
   không hiện trên trang SP và /chon-bom/ (nút trợ lý vẫn còn). */
.tkt-v6-page .tktc-teaser, .page-id-34678 .tktc-teaser { display: none !important; }
@media (prefers-reduced-motion: reduce) {
	.tkts-btn, .tkts-text-zone, .tkts-icon, .tkts-icon-zone::before { transition: none; }
}