/*! @author Trần Thành (Tran Thanh) — labcare.com.vn · TT-LBC-2026 */

.contact {
  max-width: var(--container-wide);
  margin-inline: auto;
  padding-inline: var(--pad-x);
  padding-block: clamp(32px, 4vw, 56px) clamp(40px, 5vw, 72px);
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  grid-template-areas:
    "intro intro"
    "form  info";
  column-gap: clamp(40px, 4vw, 64px);
  row-gap: clamp(28px, 3vw, 44px);
  align-items: start;
}
.contact__intro { grid-area: intro; max-width: 60ch; }
.contact__form-side { grid-area: form; }
.contact__info { grid-area: info; }
@media (max-width: 1023px) {
  .contact {
    grid-template-columns: 1fr;
    grid-template-areas: "intro" "form" "info";
    row-gap: clamp(24px, 4vw, 36px);
  }
}

.contact__form-side {
  padding: 0;
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  gap: var(--s-6);
  background: transparent;
}
.contact h1 {
  font-size: var(--fs-9);
  letter-spacing: -0.035em;
  line-height: 1;
  font-weight: 600;
}
.contact h1 em { font-style: italic; font-weight: 400; color: var(--text-mute); }
.contact__lead {
  font-size: var(--fs-5);
  color: var(--text-soft);
  line-height: 1.55;
  max-width: 48ch;
}

.contact__form {
  display: grid;
  gap: var(--s-6);
  max-width: 600px;
  background: var(--bg-card);
  padding: clamp(28px, 4vw, 44px);
  border-radius: var(--r-4);
  border: 1px solid var(--line-faint);
  box-shadow: 0 1px 2px rgba(0,0,0,0.03), 0 16px 40px rgba(0,0,0,0.05);
}
.contact__form .row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--s-6);
}
@media (max-width: 479px) { .contact__form .row { grid-template-columns: 1fr; } }
.contact__form .field { display: grid; gap: 6px; }
.contact__form label {
  font-family: var(--ff-body);
  font-size: var(--fs-3);
  font-weight: 600;
  color: var(--text);
  letter-spacing: 0;
  text-transform: none;
}
.contact__form label .req,
.contact__form label .required-star { color: var(--brand-primary); margin-left: 2px; }
.contact__form input,
.contact__form select,
.contact__form textarea {
  width: 100%;
  background: #ffffff;
  border: 1px solid var(--line-strong);
  padding: 15px 18px;
  font-family: var(--ff-body);
  font-size: var(--fs-4);
  line-height: 1.4;
  color: var(--text);
  transition: border-color var(--t-fast) var(--ease), box-shadow var(--t-fast) var(--ease);
  border-radius: var(--r-3);
}
[data-theme="dark"] .contact__form input,
[data-theme="dark"] .contact__form select,
[data-theme="dark"] .contact__form textarea {
  background: var(--bg-soft);
  border-color: var(--line-strong);
}
.contact__form input::placeholder,
.contact__form textarea::placeholder {
  color: var(--text-faint);
  font-size: var(--fs-4);
}
.contact__form input:focus,
.contact__form select:focus,
.contact__form textarea:focus {
  outline: none;
  border-color: var(--brand-primary);
  box-shadow: 0 0 0 3px rgba(62, 64, 149, 0.1);
  background: var(--bg-card);
}
.contact__form textarea { min-height: 120px; resize: vertical; }
.contact__form__small {
  font-family: var(--ff-mono);
  font-size: var(--fs-3);
  color: var(--text-mute);
  letter-spacing: 0.02em;
  display: flex;
  align-items: center;
  gap: var(--s-2);
}
.contact__form__small::before {
  content: '';
  width: 6px; height: 6px;
  border-radius: 50%;
  background: #57B952;
  flex-shrink: 0;
}
.contact__cta {
  display: grid;
  gap: var(--s-4);
  margin-top: var(--s-2);
}

.contact__map-side {
  position: sticky;
  top: 96px;
  align-self: start;
  margin: 0;
  height: clamp(440px, 64vh, 560px);
  background: var(--bg-card);
  overflow: hidden;
  border-radius: var(--r-4);
  border: 1px solid var(--line);
}
@media (max-width: 1023px) {
  .contact__map-side { position: relative; top: 0; height: clamp(320px, 52vh, 420px); }
}

.fake-map {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 30% 40%, rgba(0,175,239,0.06) 0%, transparent 60%),
    radial-gradient(circle at 70% 70%, rgba(30,32,104,0.04) 0%, transparent 50%),
    var(--bg-card);
}
[data-theme="dark"] .fake-map {
  background:
    radial-gradient(circle at 30% 40%, rgba(0,175,239,0.04) 0%, transparent 60%),
    radial-gradient(circle at 70% 70%, rgba(120,122,200,0.04) 0%, transparent 50%),
    var(--bg-card);
}
.fake-map::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, var(--line) 1px, transparent 1px),
    linear-gradient(to bottom, var(--line) 1px, transparent 1px);
  background-size: 48px 48px;
  opacity: 0.6;
}
.fake-map::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    repeating-linear-gradient(45deg, transparent 0 80px, var(--line-faint) 80px 81px);
  opacity: 0.6;
}

.fake-map__roads {
  position: absolute;
  inset: 0;
  pointer-events: none;
}
.fake-map__roads svg {
  width: 100%;
  height: 100%;
  display: block;
}
.fake-map__roads path {
  fill: none;
  stroke: var(--line-strong);
  stroke-width: 2;
}
.fake-map__roads path.major { stroke-width: 4; stroke: var(--text-faint); opacity: 0.5; }

.map-pin {
  position: absolute;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  z-index: 2;
}
.map-pin__dot {
  width: 16px; height: 16px;
  background: var(--brand-ink);
  border: 3px solid var(--bg);
  border-radius: 50%;
  box-shadow: 0 4px 14px rgba(11,11,20,0.25);
}
[data-theme="dark"] .map-pin__dot { background: var(--paper); }
.map-pin__lbl {
  background: var(--bg);
  border: 1px solid var(--line-strong);
  padding: 6px 10px;
  border-radius: var(--r-2);
  font-family: var(--ff-mono);
  font-size: var(--fs-2);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  white-space: nowrap;
  margin-top: 6px;
  box-shadow: 0 4px 14px rgba(11,11,20,0.06);
}
.map-pin.is-active .map-pin__dot {
  width: 22px; height: 22px;
  background: var(--brand-accent);
  border-color: var(--bg);
}

.map-info {
  position: absolute;
  bottom: var(--s-7);
  left: var(--s-7);
  right: var(--s-7);
  max-width: 420px;
  background: var(--bg);
  border: 1px solid var(--line-strong);
  border-radius: var(--r-3);
  padding: var(--s-6);
  box-shadow: 0 10px 32px rgba(11,11,20,0.08);
  display: grid;
  gap: var(--s-3);
  z-index: 3;
}
.map-info__lbl {
  font-family: var(--ff-mono);
  font-size: var(--fs-1);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-mute);
}
.map-info__name {
  font-family: var(--ff-display);
  font-size: var(--fs-6);
  font-weight: 600;
  letter-spacing: -0.015em;
}
.map-info__addr { font-size: var(--fs-4); color: var(--text-soft); line-height: 1.5; }
.map-info__row {
  display: flex;
  flex-wrap: nowrap;
  align-items: center;
  gap: var(--s-4);
  padding-top: var(--s-3);
  border-top: 1px solid var(--line);
  font-family: var(--ff-mono);
  font-size: var(--fs-3);
}
.map-info__row a { color: var(--text); border-bottom: 1px solid var(--line-strong); padding-bottom: 1px; white-space: nowrap; }
.map-info__row a:hover { border-bottom-color: var(--text); }

.branches-row {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0;
  border-top: 1px solid var(--line);
}
@media (max-width: 1023px) { .branches-row { grid-template-columns: 1fr; } }

.branch {
  padding: var(--s-9) var(--s-7);
  border-right: 1px solid var(--line);
  display: flex;
  flex-direction: column;
  gap: var(--s-3);
  transition: background-color var(--t-fast) var(--ease);
  cursor: pointer;
}
.branch:last-child { border-right: 0; }
.branch:hover, .branch.is-active { background: var(--bg-card); }
.branch__num {
  font-family: var(--ff-mono);
  font-size: var(--fs-2);
  color: var(--text-mute);
  letter-spacing: 0.14em;
  text-transform: uppercase;
}
.branch__city {
  font-family: var(--ff-display);
  font-size: var(--fs-7);
  font-weight: 600;
  letter-spacing: -0.025em;
  line-height: 1;
}
.branch__role {
  font-family: var(--ff-mono);
  font-size: var(--fs-2);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-mute);
}
.branch__addr {
  font-size: var(--fs-4);
  color: var(--text-soft);
  line-height: 1.6;
  margin-top: var(--s-3);
  max-width: 46ch;
}
.branch__contact {
  font-family: var(--ff-mono);
  font-size: var(--fs-4);
  margin-top: var(--s-3);
  display: grid;
  gap: 4px;
}
.branch__contact a { color: var(--text); }
.branch__contact a:hover { text-decoration: underline; text-underline-offset: 4px; }

.channels {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--s-4);
}
@media (max-width: 1023px) { .channels { grid-template-columns: 1fr 1fr; } }
@media (max-width: 480px) { .channels { grid-template-columns: 1fr; } }

.ch-cell {
  padding: var(--s-7);
  border: 1px solid var(--line);
  border-radius: var(--r-3);
  display: flex;
  flex-direction: column;
  gap: var(--s-3);
  align-items: flex-start;
  background: var(--bg-card);
  transition: border-color var(--t-fast) var(--ease);
}
.ch-cell:hover { border-color: var(--text); }
.ch-cell__icon {
  width: 36px; height: 36px;
  display: grid;
  place-items: center;
  border: 1px solid var(--line-strong);
  border-radius: 50%;
  color: var(--text-soft);
}
.ch-cell__lbl {
  font-family: var(--ff-mono);
  font-size: var(--fs-2);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-mute);
}
.ch-cell__big {
  font-family: var(--ff-display);
  font-size: var(--fs-6);
  font-weight: 600;
  letter-spacing: -0.01em;
  word-break: break-word;
}
.ch-cell__sm {
  font-family: var(--ff-mono);
  font-size: var(--fs-3);
  color: var(--text-mute);
}

.faq-list { border-top: 1px solid var(--line-strong); }
.faq-item {
  border-bottom: 1px solid var(--line);
}
.faq-item summary {
  list-style: none;
  cursor: pointer;
  padding: var(--s-6) 0;
  display: grid;
  grid-template-columns: 32px 1fr 24px;
  align-items: center;
  gap: var(--s-5);
  font-family: var(--ff-display);
  font-size: var(--fs-5);
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--text);
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: '+';
  font-family: var(--ff-mono);
  font-size: var(--fs-7);
  font-weight: 300;
  color: var(--text-mute);
  text-align: right;
  transition: transform var(--t-fast) var(--ease);
}
.faq-item[open] summary::after { content: '−'; }
.faq-item__num {
  font-family: var(--ff-mono);
  font-size: var(--fs-3);
  font-weight: 500;
  color: var(--text-mute);
  letter-spacing: 0;
}
.faq-item__body {
  padding: 0 var(--s-9) var(--s-6) calc(32px + var(--s-5));
  color: var(--text-soft);
  font-size: var(--fs-4);
  line-height: 1.65;
  max-width: 70ch;
}

/* ── Contact form: premium engineering consultation card (Tran Thanh) ── */
.contact__form { max-width: none; padding: clamp(28px, 3vw, 40px); }

.contact__form-head {
  display: flex;
  gap: var(--s-4);
  align-items: flex-start;
  padding-bottom: var(--s-5);
  margin-bottom: var(--s-2);
  border-bottom: 1px solid var(--line);
}
.contact__form-head__icon {
  flex-shrink: 0;
  width: 42px; height: 42px;
  border-radius: var(--r-3);
  display: grid; place-items: center;
  background: var(--brand-tint);
  color: var(--brand-primary);
}
[data-theme="dark"] .contact__form-head__icon { color: var(--link); }
.contact__form-title {
  font-family: var(--ff-display);
  font-size: var(--fs-6);
  font-weight: 600;
  letter-spacing: -0.015em;
  color: var(--text);
}
.contact__form-sub {
  font-size: var(--fs-4);
  color: var(--text-soft);
  line-height: 1.5;
  margin-top: 3px;
}

.select-wrap { position: relative; }
.contact__form .select-wrap select {
  appearance: none; -webkit-appearance: none;
  padding-right: 40px;
  cursor: pointer;
}
.select-wrap__caret {
  position: absolute;
  right: 16px; top: 50%;
  transform: translateY(-50%);
  pointer-events: none;
  color: var(--text-mute);
}

.contact__submit {
  width: 100%;
  justify-content: center;
  min-height: 54px;
  font-size: var(--fs-5);
}
.contact__trust {
  display: grid;
  gap: 8px;
  margin-top: var(--s-4);
  padding-top: var(--s-5);
  border-top: 1px solid var(--line);
}
.contact__trust__item {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: var(--fs-3);
  color: var(--text-soft);
}
.contact__trust__item svg { color: #57B952; flex-shrink: 0; }
.contact__trust__hotline {
  font-family: var(--ff-mono);
  font-size: var(--fs-3);
  color: var(--text-mute);
  margin-top: 4px;
}
.contact__trust__hotline a { color: var(--text); font-weight: 500; border-bottom: 1px solid var(--line-strong); padding-bottom: 1px; }
.contact__trust__hotline a:hover { border-bottom-color: var(--text); }

.real-map {
  position: relative;
  width: 100%;
  height: 100%;
  min-height: 100%;
}

.map-info__dir {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  color: var(--brand-primary) !important;
  font-weight: 500;
  border-bottom: 0 !important;
}
[data-theme="dark"] .map-info__dir { color: var(--link) !important; }

/* ── Contact info column (right of form) + full-width map (Tran Thanh) ── */
.contact__info { display: grid; gap: var(--s-4); align-content: start; }
.info-card {
  display: block;
  padding: var(--s-6);
  background: var(--bg-card);
  border: 1px solid var(--line);
  border-radius: var(--r-4);
  text-decoration: none;
  color: var(--text);
  transition: border-color var(--t-fast) var(--ease);
}
a.info-card:hover { border-color: var(--text); }
.info-card__lbl {
  display: block;
  font-family: var(--ff-mono);
  font-size: var(--fs-2);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-mute);
  margin-bottom: var(--s-3);
}
.info-card__name {
  font-family: var(--ff-display);
  font-size: var(--fs-6);
  font-weight: 600;
  letter-spacing: -0.015em;
  margin-bottom: 6px;
}
.info-card__addr { font-size: var(--fs-4); color: var(--text-soft); line-height: 1.6; margin: 0 0 var(--s-4); max-width: 40ch; }
.info-card__dir {
  display: inline-flex; align-items: center; gap: 5px;
  font-size: var(--fs-4); font-weight: 500; color: var(--brand-primary);
}
[data-theme="dark"] .info-card__dir { color: var(--link); }
.info-card__big {
  display: block; font-family: var(--ff-display);
  font-size: var(--fs-8); font-weight: 600; letter-spacing: -0.02em; color: var(--text);
}
.info-card__note { display: block; font-size: var(--fs-3); color: var(--text-mute); margin-top: 6px; }
.info-card__link { display: block; font-family: var(--ff-mono); font-size: var(--fs-5); color: var(--text); }
.info-card__hours { display: block; font-family: var(--ff-mono); font-size: var(--fs-5); color: var(--text); }
.info-card--accent { background: var(--brand-primary); border-color: transparent; }
.info-card--accent .info-card__lbl { color: rgba(255,255,255,0.72); }
.info-card--accent .info-card__big { color: #fff; }
.info-card--accent .info-card__note { color: rgba(255,255,255,0.78); }
a.info-card--accent:hover { border-color: transparent; background: #4d50b8; }

.contact-map { padding-block: 0; }
.contact-map__frame {
  position: relative;
  height: clamp(320px, 42vh, 460px);
  border-radius: var(--r-4);
  overflow: hidden;
  border: 1px solid var(--line);
  margin-block: clamp(40px, 5vw, 72px);
  background: var(--bg-card);
}
.contact-map__frame iframe { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; display: block; }