/*!
 * labcare.com.vn — app shell styles · Developed by Tran Thanh — /humans.txt
 */

*, *::before, *::after { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--ff-body);
  font-size: var(--fs-base);
  line-height: var(--lh-base);
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  transition: background-color var(--t-base) var(--ease),
              color var(--t-base) var(--ease);
}

img, svg, video { display: block; max-width: 100%; height: auto; }

iframe, embed, object { max-width: 100%; }
.section-block iframe { width: 100%; aspect-ratio: 16 / 9; height: auto; }

a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; background: none; border: 0; color: inherit; }

h1, h2, h3, h4, h5, h6 {
  font-family: var(--ff-display);
  font-weight: 600;
  line-height: var(--lh-snug);
  letter-spacing: var(--track-tight);
  margin: 0;
  color: var(--text);
}

:focus-visible { outline: none; box-shadow: var(--focus); border-radius: var(--r-2); }

::selection { background: var(--brand-ink); color: var(--paper); }
[data-theme="dark"] ::selection { background: var(--paper); color: var(--ink-0); }

.container       { width: 100%; max-width: var(--container);        margin-inline: auto; padding-inline: var(--pad-x); }
.container-narrow{ width: 100%; max-width: var(--container-narrow); margin-inline: auto; padding-inline: var(--pad-x); }
.container-wide  { width: 100%; max-width: var(--container-wide);   margin-inline: auto; padding-inline: var(--pad-x); }

.section { padding-block: var(--section-pad); }

.skip-link {
  position: absolute;
  top: -100%;
  left: 16px;
  z-index: 9999;
  padding: 12px 24px;
  background: var(--brand-primary);
  color: #fff;
  font-weight: 600;
  border-radius: var(--r-2);
  text-decoration: none;
  transition: top var(--t-fast) var(--ease);
}
.skip-link:focus {
  top: 8px;
}

.honeypot { position: absolute; left: -9999px; height: 0; overflow: hidden; opacity: 0; }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--s-2);
  font-family: var(--ff-mono);
  font-size: var(--fs-eyebrow);
  font-weight: 500;
  letter-spacing: var(--track-eyebrow);
  text-transform: uppercase;
  color: var(--text-soft);
}
.eyebrow::before {
  content: '';
  width: 24px; height: 1px;
  background: currentColor;
  opacity: 0.5;
}

.display {
  font-family: var(--ff-display);
  font-size: var(--fs-display);
  line-height: var(--lh-tight);
  letter-spacing: var(--track-display);
  font-weight: 600;
}
.mono { font-family: var(--ff-mono); }
.lead { font-size: var(--fs-lead); line-height: var(--lh-base); color: var(--text-soft); max-width: 60ch; }

.text-soft  { color: var(--text-soft); }
.text-mute  { color: var(--text-mute); }
.text-faint { color: var(--text-faint); }

.balance { text-wrap: balance; }
.pretty  { text-wrap: pretty; }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--s-2);
  min-height: 48px;
  padding: 0 var(--s-6);
  border: 1px solid transparent;
  border-radius: var(--r-pill);
  font-family: var(--ff-body);
  font-size: var(--fs-4);
  font-weight: 500;
  letter-spacing: var(--track-snug);
  white-space: nowrap;
  transition: background-color var(--t-fast) var(--ease),
              color var(--t-fast) var(--ease),
              border-color var(--t-fast) var(--ease),
              transform var(--t-fast) var(--ease);
}
.btn:active { transform: translateY(1px); }

.btn-primary {
  background: var(--brand-ink);
  color: var(--paper);
}
.btn-primary:hover { background: var(--ink-0); }

[data-theme="dark"] .btn-primary {
  background: var(--brand-primary);
  color: #ffffff;
}
[data-theme="dark"] .btn-primary:hover { background: #4d50b8; }

.btn-ghost {
  background: transparent;
  color: var(--text);
  border-color: var(--line-strong);
}
.btn-ghost:hover { background: var(--bg-card); border-color: var(--text); }

.chip {
  display: inline-flex;
  align-items: center;
  gap: var(--s-2);
  height: 36px;
  padding: 0 14px;
  border-radius: var(--r-pill);
  border: 1px solid var(--line-strong);
  background: transparent;
  color: var(--text-soft);
  font-size: var(--fs-4);
  font-weight: 500;
  white-space: nowrap;
  cursor: pointer;
  transition: all var(--t-fast) var(--ease);
  text-decoration: none;
}
.chip:hover { color: var(--text); border-color: var(--text); }
.chip.is-active { background: var(--text); color: var(--bg); border-color: var(--text); }
.chip__count {
  font-family: var(--ff-mono);
  font-size: var(--fs-2);
  opacity: 0.7;
  margin-left: 2px;
}

.btn-bare {
  min-height: auto;
  padding: 0;
  background: transparent;
  border: 0;
  border-radius: 0;
  color: var(--text);
  border-bottom: 1px solid currentColor;
  padding-bottom: 4px;
  border-radius: 0;
  font-weight: 500;
}
.btn-bare:hover { color: var(--brand-primary); }
[data-theme="dark"] .btn-bare:hover { color: var(--link); }

.btn-icon {
  width: 48px; height: 48px;
  min-height: auto;
  padding: 0;
  border-radius: 50%;
  border: 1px solid var(--line-strong);
}
.btn-icon:hover { background: var(--bg-card); }

.btn svg { width: 16px; height: 16px; }

.tag {
  display: inline-flex;
  align-items: center;
  gap: var(--s-2);
  height: 28px;
  padding: 0 12px;
  border-radius: var(--r-pill);
  font-family: var(--ff-mono);
  font-size: var(--fs-2);
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  border: 1px solid var(--line-strong);
  color: var(--text-soft);
  background: transparent;
}
.tag-dot { width: 6px; height: 6px; border-radius: 50%; background: var(--brand-accent); }
.tag-solid { background: var(--brand-ink); color: var(--paper); border-color: transparent; }
[data-theme="dark"] .tag-solid { background: var(--paper); color: var(--ink-0); }

.site-topbar {
  background: var(--brand-primary);
  color: #fff;
  font-size: var(--fs-3);
  line-height: 28px;
}
.site-topbar__inner {
  max-width: var(--container-wide);
  margin: 0 auto;
  padding: 0 var(--pad-x);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
}
.site-topbar__channel strong { font-weight: 600; }
.site-topbar__phone { color: #fff; text-decoration: none; white-space: nowrap; display: inline-flex; align-items: center; gap: 5px; flex-shrink: 0; }
.site-topbar__phone:hover { text-decoration: underline; }

@media (max-width: 767px) {
  .site-topbar__channel { font-size: var(--fs-3); }
  .site-topbar__phone { display: none; }
}

.site-header {
  position: sticky;
  top: 0;
  z-index: var(--z-header);
  background: color-mix(in oklab, var(--bg) 88%, transparent);
  backdrop-filter: blur(16px) saturate(140%);
  -webkit-backdrop-filter: blur(16px) saturate(140%);
  border-bottom: 1px solid var(--line);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--s-7);
  height: 72px;
  width: 100%;
  max-width: var(--container-wide);
  margin-inline: auto;
  padding-inline: var(--pad-x);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--ff-display);
  font-weight: 700;
  letter-spacing: -0.01em;
  font-size: var(--fs-5);
  color: var(--text);
}
.brand__mark {
  width: 32px; height: 32px;
  display: grid;
  place-items: center;
  background: var(--brand-primary);
  color: var(--paper);
  border-radius: var(--r-2);
  font-family: var(--ff-display);
  font-weight: 700;
  font-size: var(--fs-4);
  letter-spacing: 0;
  position: relative;
  overflow: hidden;
}
.brand__mark::after {
  content: '';
  position: absolute;
  right: -2px;
  top: 0;
  bottom: 0;
  width: 4px;
  background: linear-gradient(180deg, var(--sector-electrical) 0%, var(--sector-electrical) 33%, var(--sector-software) 33%, var(--sector-software) 66%, var(--sector-mechanical) 66%, var(--sector-mechanical) 100%);
}
[data-theme="dark"] .brand__mark { background: var(--paper); color: var(--ink-0); }
.brand__sub {
  display: block;
  font-family: var(--ff-mono);
  font-size: var(--fs-1);
  font-weight: 400;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--text-mute);
  margin-top: 2px;
}

.nav {
  display: flex;
  align-items: center;
  gap: var(--s-7);
}
.nav a {
  font-size: var(--fs-4);
  color: var(--text-soft);
  padding: 8px 0;
  position: relative;
  transition: color var(--t-fast) var(--ease);
}
.nav a:hover { color: var(--text); }
.nav a.is-active { color: var(--text); }
.nav a.is-active::after {
  content: '';
  position: absolute;
  left: 0; right: 0; bottom: -1px;
  height: 1px;
  background: var(--text);
}

.nav__dropdown {
  position: relative;
}
.nav__dropdown > a {
  display: inline-flex;
  align-items: center;
  gap: 4px;
}
.nav__dropdown > a svg {
  transition: transform var(--t-fast) var(--ease);
}
.nav__panel {
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%) translateY(8px);
  min-width: 220px;
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: var(--r-3);
  padding: var(--s-4);
  box-shadow: 0 12px 32px rgba(0,0,0,0.12);
  display: flex;
  flex-direction: column;
  gap: var(--s-1);
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--t-fast) var(--ease), visibility var(--t-fast) var(--ease), transform var(--t-fast) var(--ease);
  z-index: calc(var(--z-header) + 1);
}
.nav__panel a {
  padding: var(--s-2) var(--s-3);
  border-radius: var(--r-2);
  font-size: var(--fs-4);
  white-space: nowrap;
  text-decoration: none;
}
.nav__panel a:hover {
  background: var(--bg-soft);
}
.nav__dropdown:hover > .nav__panel,
.nav__dropdown:focus-within > .nav__panel {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
}
.nav__dropdown:hover > a svg {
  transform: rotate(180deg);
}

.site-header__cta {
  display: flex;
  align-items: center;
  gap: var(--s-3);
}

.theme-toggle {
  width: 40px; height: 40px;
  border-radius: 50%;
  border: 1px solid var(--line-strong);
  display: grid;
  place-items: center;
  transition: background-color var(--t-fast) var(--ease);
}
.theme-toggle:hover { background: var(--bg-card); }
.theme-toggle svg { width: 16px; height: 16px; }
.theme-toggle .sun { display: none; }
.theme-toggle .moon { display: block; }
[data-theme="dark"] .theme-toggle .sun { display: block; }
[data-theme="dark"] .theme-toggle .moon { display: none; }

.menu-toggle {
  width: 40px; height: 40px;
  border-radius: 50%;
  border: 1px solid var(--line-strong);
  display: none;
  place-items: center;
}
.menu-toggle__bars {
  width: 16px; height: 10px;
  display: grid;
  gap: 4px;
}
.menu-toggle__bars span {
  display: block;
  height: 1px;
  background: var(--text);
}

@media (max-width: 1023px) {
  .nav { display: none; }
  .menu-toggle { display: grid; }
  .site-header__cta .btn:not(.theme-toggle) { display: none; }
  .site-header__inner { gap: var(--s-3); }
}

.drawer {
  position: fixed;
  inset: 0;
  z-index: var(--z-modal);
  background: var(--bg);
  display: none;
  flex-direction: column;
  padding: var(--s-8) var(--pad-x);
}
.drawer.is-open { display: flex; overscroll-behavior: contain; }
.drawer__head {
  display: flex; justify-content: space-between; align-items: center;
  margin-bottom: var(--s-9);
}
.drawer__nav { display: flex; flex-direction: column; gap: var(--s-4); }
.drawer__nav a {
  font-family: var(--ff-display);
  font-size: var(--fs-8);
  font-weight: 600;
  letter-spacing: var(--track-tight);
  padding-block: var(--s-3);
  border-bottom: 1px solid var(--line);
}
.drawer__cta { margin-top: auto; padding-top: var(--s-9); }

.site-footer {
  border-top: 1px solid var(--line);
  background: var(--bg);
  padding-block: var(--s-11) calc(var(--s-7) + var(--safe-bottom));
}
.site-footer__grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: var(--s-9);
  margin-bottom: var(--s-11);
}
@media (max-width: 1023px) {
  .site-footer__grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 479px) {
  .site-footer__grid { grid-template-columns: 1fr; }
}
.site-footer h4 {
  font-family: var(--ff-mono);
  font-size: var(--fs-2);
  font-weight: 500;
  letter-spacing: var(--track-eyebrow);
  text-transform: uppercase;
  color: var(--text-mute);
  margin-bottom: var(--s-5);
}
.site-footer ul { list-style: none; padding: 0; margin: 0; display: grid; gap: var(--s-3); }
.site-footer ul li { font-size: var(--fs-4); color: var(--text-soft); line-height: 1.55; }
.site-footer ul a { color: var(--text-soft); font-size: var(--fs-4); }
.site-footer ul a:hover { color: var(--text); }
.site-footer__mark {
  font-family: var(--ff-display);
  font-size: var(--fs-9);
  font-weight: 700;
  letter-spacing: var(--track-display);
  line-height: 1;
}
.site-footer__bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: var(--s-6);
  border-top: 1px solid var(--line);
  font-family: var(--ff-mono);
  font-size: var(--fs-3);
  color: var(--text-mute);
  gap: var(--s-4);
  flex-wrap: wrap;
}

.dock {
  position: fixed;
  inset: auto var(--pad-x) var(--s-5) var(--pad-x);
  z-index: var(--z-sticky);
  display: none;
  gap: var(--s-2);
  background: var(--ink-0);
  color: var(--paper);
  padding: 10px 10px 10px 16px;
  border-radius: var(--r-pill);
  align-items: center;
  justify-content: space-between;
  box-shadow: 0 12px 32px rgba(0,0,0,0.18);
}
@media (max-width: 767px) {
  .dock { display: flex; }
}
.dock__txt { font-size: var(--fs-4); font-weight: 500; }
.dock .btn {
  background: var(--paper);
  color: var(--ink-0);
  height: 40px;
  min-height: auto;
  padding: 0 16px;
  font-size: var(--fs-3);
}

.ph {
  position: relative;
  display: grid;
  place-items: center;
  background:
    linear-gradient(135deg, var(--bg-card) 0%, var(--bg-soft) 100%);
  color: var(--text-mute);
  font-family: var(--ff-mono);
  font-size: var(--fs-3);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  overflow: hidden;
  border-radius: var(--r-3);
}
.ph::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    repeating-linear-gradient(45deg,
      transparent 0,
      transparent 24px,
      var(--line-faint) 24px,
      var(--line-faint) 25px);
  pointer-events: none;
}
.ph::after {
  content: '';
  position: absolute;
  inset: 0;
  background: url(../media/images/labcare-logo-mark.png) center / clamp(64px, 18%, 128px) no-repeat;
  opacity: 0.12;
  pointer-events: none;
}
.ph__inner {
  position: relative;
  text-align: center;
  padding: var(--s-5);
  display: grid;
  gap: 8px;
  z-index: 1;
}
.ph__label { font-weight: 600; color: var(--text-mute); font-size: var(--fs-2); letter-spacing: 0.1em; }
/* Dev-only hints hidden on production — placeholder shows a clean branded watermark */
.ph__ratio, .ph__hint { display: none; }

.ph-dark {
  background:
    linear-gradient(135deg, var(--ink-1) 0%, var(--ink-0) 100%);
  color: rgba(244, 240, 230, 0.6);
}
.ph-dark::before {
  background:
    repeating-linear-gradient(45deg,
      transparent 0, transparent 24px,
      rgba(244,240,230,0.04) 24px,
      rgba(244,240,230,0.04) 25px);
}
.ph-dark::after { border-color: rgba(244,240,230,0.15); }
.ph-dark .ph__label { color: rgba(244,240,230,0.85); }
.ph-dark .ph__ratio { color: rgba(244,240,230,0.4); }
.ph-dark .ph__hint  { color: rgba(244,240,230,0.55); }

.reveal { opacity: 1; }

.featured-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--s-7);
  align-items: center;
}
@media (max-width: 767px) {
  .featured-split { grid-template-columns: 1fr; }
}

.divider { height: 1px; background: var(--line); margin-block: var(--s-9); }
.divider-strong { background: var(--line-strong); }

.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0;
  margin: -1px; overflow: hidden; clip: rect(0,0,0,0); border: 0;
}

.sector-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  height: 24px;
  padding: 0 10px;
  border-radius: var(--r-pill);
  font-family: var(--ff-mono);
  font-size: var(--fs-2);
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}
.sector-chip::before {
  content: '';
  width: 6px; height: 6px;
  border-radius: 50%;
  background: currentColor;
}
.sector-chip.is-electrical { color: var(--sector-electrical); background: var(--sector-electrical-soft); }
.sector-chip.is-software   { color: var(--sector-software);   background: var(--sector-software-soft); }
.sector-chip.is-mechanical { color: var(--sector-mechanical); background: var(--sector-mechanical-soft); }
[data-theme="dark"] .sector-chip.is-electrical { color: #9698E0; background: rgba(150,152,224,0.12); }
[data-theme="dark"] .sector-chip.is-software   { color: #6BD476; background: rgba(107,212,118,0.12); }
[data-theme="dark"] .sector-chip.is-mechanical { color: #5BC8F2; background: rgba(91,200,242,0.12); }

.sector-dot {
  display: inline-block;
  width: 8px; height: 8px;
  border-radius: 50%;
  flex-shrink: 0;
}
.sector-dot.is-electrical { background: var(--sector-electrical); }
.sector-dot.is-software   { background: var(--sector-software); }
.sector-dot.is-mechanical { background: var(--sector-mechanical); }

.cta-band {
  background: var(--bg-invert);
  color: var(--text-invert);
  padding-block: clamp(64px, 8vw, 112px);
  border-radius: 0;
}
.cta-band__grid {
  display: grid;
  grid-template-columns: 1.4fr auto;
  gap: var(--s-9);
  align-items: end;
}
@media (max-width: 767px) {
  .cta-band__grid { grid-template-columns: 1fr; }
}
.cta-band h2 {
  font-size: var(--fs-8);
  letter-spacing: var(--track-display);
  line-height: 1.05;
  color: var(--text-invert);
  margin-bottom: var(--s-5);
}
.cta-band__phone {
  font-family: var(--ff-mono);
  font-size: var(--fs-6);
  color: var(--text-invert);
  opacity: 0.8;
  margin-top: var(--s-3);
  display: inline-block;
}
.cta-band .btn-primary {
  background: var(--paper);
  color: var(--ink-0);
}
.cta-band .btn-ghost {
  color: var(--text-invert);
  border-color: rgba(244,240,230,0.3);
}
.cta-band .btn-ghost:hover { background: rgba(244,240,230,0.1); border-color: var(--paper); }

.crumbs {
  display: flex;
  align-items: center;
  gap: var(--s-2);
  font-family: var(--ff-mono);
  font-size: var(--fs-3);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-mute);
  margin-bottom: var(--s-6);
}
.crumbs a { color: inherit; text-decoration: none; }
.crumbs a:hover { color: var(--text); }
.crumbs__sep { opacity: 0.5; }


.consent-bar {
  position: fixed;
  inset-inline: var(--s-4);
  bottom: calc(var(--s-4) + 64px);
  z-index: var(--z-sticky);
  display: flex;
  align-items: center;
  gap: var(--s-4);
  max-width: 560px;
  margin-inline: auto;
  padding: var(--s-4) var(--s-5);
  background: var(--bg-card);
  border: 1px solid var(--line);
  border-radius: var(--r-3);
  box-shadow: 0 8px 32px rgba(17, 19, 42, 0.16);
  font-size: var(--fs-4);
  line-height: 1.5;
}
.consent-bar a { text-decoration: underline; text-underline-offset: 2px; }
.consent-bar__btn {
  flex-shrink: 0;
  min-height: 36px;
  padding: 0 var(--s-4);
  background: var(--brand-primary);
  color: #fff;
  border-radius: var(--r-2);
  font-weight: 600;
  font-size: var(--fs-4);
}
@media (min-width: 768px) {
  .consent-bar { bottom: var(--s-4); }
}

/* Missing/broken image -> subtle placeholder (author: Tran Thanh) */
.img-missing { position: relative; background: var(--bg-soft, #EEF0F3); }
.img-missing::after {
  content: "";
  position: absolute; inset: 0;
  background:
    linear-gradient(135deg, transparent 46%, var(--line, #d8dae2) 46%, var(--line, #d8dae2) 54%, transparent 54%),
    linear-gradient(45deg, transparent 46%, var(--line, #d8dae2) 46%, var(--line, #d8dae2) 54%, transparent 54%);
  background-size: 22px 22px; opacity: .5;
}

/* Real Labcare logo image as brand mark (author: Tran Thanh) */
.brand__mark--img {
  background: transparent !important;
  width: 42px; height: 42px;
  border-radius: 0; padding: 0;
  object-fit: contain;
}
.brand__mark--img::after { display: none !important; }

/* Mobile tap-target polish (author: Tran Thanh) */
.chip { min-height: 38px; display: inline-flex; align-items: center; }
@media (max-width: 767px) {
  .site-footer ul a { display: inline-block; padding-block: 4px; }
  .breadcrumbs a { padding-block: 3px; }
}