/* Page: Chi tiết dự án - Tab Q&A */

.project-qna-page {
  --pq-blue: #075fdb;
  --pq-blue-dark: #071d4e;
  --pq-cyan: #13b8e8;
  --pq-orange: #f08316;
  --pq-green: #10a65d;
  --pq-muted: #68758a;
  --pq-border: #dce5f1;
  --pq-soft: #f7faff;
}

.qna-hero {
  position: relative;
  padding: 28px 0 18px;
  background:
    radial-gradient(circle at 68% 15%, rgba(25, 140, 255, .08), transparent 31%),
    linear-gradient(180deg, #fbfdff 0%, #fff 100%);
}

.qna-hero__grid {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, .95fr) minmax(440px, 1.05fr);
  gap: 45px;
  align-items: center;
}

.qna-hero__content {
  min-width: 0;
}

.qna-hero__content .project-breadcrumb {
  margin-bottom: 28px;
}

.qna-hero h1 {
  margin-top: 17px;
  color: var(--pq-blue-dark);
  font-size: var(--font-page-title);
  line-height: 1.16;
  letter-spacing: -.035em;
}

.qna-hero__subtitle {
  margin-top: 13px;
  color: #263754;
  font-size: var(--font-body-lg);
  font-weight: 600;
}

.qna-hero__facts {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin-top: 27px;
}

.qna-hero__facts > div {
  display: grid;
  grid-template-columns: 28px 1fr;
  gap: 9px;
  align-items: start;
  padding-right: 12px;
}

.qna-hero__facts > div + div {
  padding-left: 13px;
  border-left: 1px solid var(--pq-border);
}

.qna-hero__facts dt {
  width: 27px;
  height: 27px;
  display: grid;
  place-items: center;
  color: var(--pq-blue-dark);
}

.qna-hero__facts dt svg {
  width: 19px;
  height: 19px;
}

.qna-hero__facts dd {
  margin: 0;
}

.qna-hero__facts small,
.qna-hero__facts strong {
  display: block;
}

.qna-hero__facts small {
  color: #788499;
  font-size: var(--font-caption);
}

.qna-hero__facts strong {
  margin-top: 5px;
  color: #273752;
  font-size: var(--font-caption);
  line-height: 1.4;
}

.qna-hero__facts strong.is-green {
  color: var(--pq-green);
}

.qna-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 15px;
  margin-top: 26px;
}

.qna-hero__visual {
  min-height: 285px;
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--pq-border);
  border-radius: 14px;
  background: #edf3f8;
  box-shadow: 0 15px 36px rgba(18, 58, 113, .1);
}

.qna-hero__visual img {
  width: 100%;
  height: 100%;
  min-height: 285px;
  object-fit: cover;
}

.qna-hero .project-media-tools {
  right: -14px;
}

.project-qna-page .qna-stats {
  padding-bottom: 13px;
}

.project-qna-page .qna-stats .project-key-stats__panel article:nth-child(5) strong {
  font-size: var(--font-small);
  line-height: 1.45;
}

.qna-tabs {
  position: relative;
  z-index: 4;
}

.qna-content {
  padding: 30px 0 22px;
}

.qna-content__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 300px;
  gap: 31px;
  align-items: start;
}

.qna-main,
.qna-sidebar {
  min-width: 0;
}

.qna-heading h2 {
  color: var(--pq-blue-dark);
  font-size: var(--font-section-title);
}

.qna-heading p {
  max-width: 585px;
  margin-top: 9px;
  color: var(--pq-muted);
  font-size: var(--font-small);
  line-height: 1.65;
}

.qna-search {
  position: relative;
  display: grid;
  grid-template-columns: 1fr auto;
  margin-top: 20px;
}

.qna-search > svg {
  position: absolute;
  z-index: 2;
  top: 50%;
  left: 16px;
  width: 17px;
  height: 17px;
  color: #8190a5;
  transform: translateY(-50%);
}

.qna-search input {
  width: 100%;
  height: 48px;
  padding: 0 16px 0 45px;
  color: #34425d;
  border: 1px solid var(--pq-border);
  border-right: 0;
  border-radius: 8px 0 0 8px;
  background: #fff;
  outline: 0;
  font-size: var(--font-caption);
}

.qna-search input:focus {
  border-color: #7fb3f2;
  box-shadow: 0 0 0 3px rgba(7, 95, 219, .08);
}

.qna-search button {
  min-width: 115px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  color: #fff;
  border: 0;
  border-radius: 0 8px 8px 0;
  background: var(--pq-blue-dark);
  font-size: var(--font-caption);
  font-weight: 700;
}

.qna-search button svg {
  width: 16px;
  height: 16px;
}

.qna-accordion {
  margin-top: 14px;
  overflow: hidden;
  border: 1px solid var(--pq-border);
  border-radius: 10px;
  background: #fff;
  box-shadow: 0 8px 22px rgba(18, 58, 113, .04);
}

.qna-item + .qna-item {
  border-top: 1px solid #e7edf4;
}

.qna-item__button {
  width: 100%;
  min-height: 53px;
  display: grid;
  grid-template-columns: 32px minmax(0, 1fr) 24px;
  gap: 9px;
  align-items: center;
  padding: 0 16px;
  color: var(--pq-blue-dark);
  border: 0;
  background: #fff;
  text-align: left;
}

.qna-item__number {
  color: var(--pq-blue-dark);
  font-size: var(--font-small);
  font-weight: 800;
}

.qna-item__question {
  font-size: var(--font-small);
  font-weight: 700;
  line-height: 1.45;
}

.qna-item__icon {
  width: 22px;
  height: 22px;
  display: grid;
  place-items: center;
  color: var(--pq-blue-dark);
}

.qna-item__icon svg {
  width: 14px;
  height: 14px;
}

.qna-item__answer {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows 220ms ease;
}

.qna-item__answer > div {
  overflow: hidden;
}

.qna-item__answer p {
  padding: 0 48px 17px 48px;
  color: #56647c;
  font-size: var(--font-caption);
  line-height: 1.75;
}

.qna-item.is-open .qna-item__button {
  background: #fbfdff;
}

.qna-item.is-open .qna-item__answer {
  grid-template-rows: 1fr;
}

.qna-empty {
  padding: 32px 15px;
  color: var(--pq-muted);
  text-align: center;
  font-size: var(--font-small);
}

.qna-load-more {
  min-width: 180px;
  min-height: 38px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  margin: 18px auto 0;
  color: var(--pq-blue-dark);
  border: 1px solid var(--pq-border);
  border-radius: 7px;
  background: #fff;
  box-shadow: 0 7px 18px rgba(18, 58, 113, .04);
  font-size: var(--font-caption);
  font-weight: 700;
}

.qna-load-more svg {
  width: 14px;
  height: 14px;
}

.qna-sidebar {
  display: grid;
  gap: 17px;
}

.qna-topic-panel,
.qna-consult-panel,
.qna-ai-panel {
  border: 1px solid var(--pq-border);
  border-radius: 11px;
  background: #fff;
  box-shadow: 0 8px 23px rgba(18, 58, 113, .05);
}

.qna-topic-panel {
  padding: 15px 17px;
}

.qna-topic-panel h3,
.qna-consult-panel h3,
.qna-ai-panel h3 {
  color: var(--pq-blue-dark);
  font-size: var(--font-body-lg);
}

.qna-topic-panel > div {
  display: grid;
  margin-top: 11px;
}

.qna-topic-panel button {
  min-height: 37px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 4px;
  color: #43516a;
  border: 0;
  border-bottom: 1px solid #e7edf4;
  background: transparent;
  font-size: var(--font-caption);
  text-align: left;
}

.qna-topic-panel button:last-child {
  border-bottom: 0;
}

.qna-topic-panel button:hover,
.qna-topic-panel button.is-active {
  color: var(--pq-blue);
}

.qna-topic-panel button strong {
  min-width: 31px;
  padding: 4px 8px;
  color: var(--pq-blue-dark);
  border-radius: 999px;
  background: #edf4ff;
  font-size: var(--font-caption);
  text-align: center;
}

.qna-consult-panel {
  padding: 17px;
  background:
    radial-gradient(circle at 85% 15%, rgba(255,255,255,.7), transparent 35%),
    linear-gradient(135deg, #ffe1d3 0%, #fff7ec 43%, #dfeeff 100%);
}

.qna-consult-panel p {
  margin-top: 8px;
  color: #5f6c81;
  font-size: var(--font-caption);
  line-height: 1.55;
}

.qna-consult-panel > a:not(.qna-consult-button) {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  margin-top: 15px;
  color: var(--pq-blue-dark);
}

.qna-consult-panel > a:not(.qna-consult-button) svg {
  width: 24px;
  height: 24px;
  color: var(--pq-blue);
}

.qna-consult-panel > a:not(.qna-consult-button) strong {
  font-size: var(--font-card-title);
}

.qna-consult-button {
  min-height: 37px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  margin-top: 15px;
  color: #fff;
  border-radius: 7px;
  background: var(--pq-blue-dark);
  font-size: var(--font-caption);
  font-weight: 700;
}

.qna-consult-button svg {
  width: 14px;
  height: 14px;
}

.qna-ai-panel {
  position: relative;
  min-height: 145px;
  overflow: hidden;
  padding: 17px;
  background: linear-gradient(135deg, #f7fbff 0%, #e7f3ff 100%);
}

.qna-ai-panel > div {
  position: relative;
  z-index: 2;
  max-width: 165px;
}

.qna-ai-panel p {
  margin-top: 8px;
  color: #5f6c81;
  font-size: var(--font-caption);
  line-height: 1.5;
}

.qna-ai-panel button {
  min-height: 34px;
  display: inline-flex;
  align-items: center;
  gap: 15px;
  margin-top: 14px;
  padding: 0 13px;
  color: #fff;
  border: 0;
  border-radius: 6px;
  background: var(--pq-blue);
  font-size: var(--font-caption);
  font-weight: 700;
}

.qna-ai-panel button svg {
  width: 13px;
  height: 13px;
}

.qna-ai-panel img {
  position: absolute;
  right: 0;
  bottom: 0;
  width: 115px;
  height: 145px;
  object-fit: cover;
  object-position: center;
  mix-blend-mode: multiply;
}

.qna-contact {
  padding: 0 0 23px;
}

.qna-contact__inner {
  position: relative;
  min-height: 160px;
  display: grid;
  grid-template-columns: 235px minmax(210px, .9fr) minmax(390px, 1.4fr);
  gap: 23px;
  align-items: center;
  overflow: hidden;
  padding: 0 27px 0 0;
  border: 1px solid #c6daf1;
  border-radius: 12px;
  background:
    linear-gradient(100deg, #e9f6ff 0%, #fff 43%, #f3f8ff 100%);
}

.qna-contact__inner > img {
  width: 100%;
  height: 160px;
  object-fit: cover;
  object-position: center;
}

.qna-contact__intro h2 {
  color: var(--pq-blue-dark);
  font-size: var(--font-card-title);
}

.qna-contact__intro p {
  margin-top: 8px;
  color: var(--pq-muted);
  font-size: var(--font-caption);
  line-height: 1.6;
}

.qna-contact__benefits {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 17px;
}

.qna-contact__benefits article {
  display: grid;
  justify-items: center;
  gap: 8px;
  text-align: center;
}

.qna-contact__benefits span {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  color: var(--pq-blue);
  border: 1px solid #c6daf1;
  border-radius: 50%;
  background: #fff;
}

.qna-contact__benefits svg {
  width: 22px;
  height: 22px;
}

.qna-contact__benefits strong {
  color: #394862;
  font-size: var(--font-caption);
  line-height: 1.45;
}

.qna-contact__button {
  position: absolute;
  right: 70px;
  bottom: 11px;
  min-width: 165px;
  min-height: 34px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 17px;
  color: #fff;
  border-radius: 7px;
  background: var(--pq-blue-dark);
  font-size: var(--font-caption);
  font-weight: 700;
}

.qna-contact__button svg {
  width: 14px;
  height: 14px;
}

.qna-ai-dialog {
  width: min(92vw, 570px);
  padding: 24px;
  border: 0;
  border-radius: 14px;
  box-shadow: 0 25px 70px rgba(5, 24, 62, .3);
}

.qna-ai-dialog::backdrop {
  background: rgba(4, 20, 50, .6);
  backdrop-filter: blur(3px);
}

.qna-dialog-close {
  position: absolute;
  top: 12px;
  right: 12px;
  width: 31px;
  height: 31px;
  display: grid;
  place-items: center;
  color: #34435f;
  border: 1px solid var(--pq-border);
  border-radius: 50%;
  background: #fff;
}

.qna-dialog-close svg {
  width: 15px;
  height: 15px;
}

.qna-ai-dialog__header {
  display: grid;
  grid-template-columns: 48px 1fr;
  gap: 12px;
  align-items: center;
}

.qna-ai-dialog__header > span {
  width: 46px;
  height: 46px;
  display: grid;
  place-items: center;
  color: #fff;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--pq-blue), var(--pq-cyan));
}

.qna-ai-dialog__header svg {
  width: 25px;
  height: 25px;
}

.qna-ai-dialog h2 {
  color: var(--pq-blue-dark);
  font-size: var(--font-card-title-lg);
}

.qna-ai-dialog__header p {
  margin-top: 4px;
  color: var(--pq-muted);
  font-size: var(--font-caption);
}

.qna-ai-dialog form {
  display: grid;
  gap: 8px;
  margin-top: 20px;
}

.qna-ai-dialog label {
  color: #34435f;
  font-size: var(--font-caption);
  font-weight: 700;
}

.qna-ai-dialog textarea {
  width: 100%;
  resize: vertical;
  padding: 12px;
  border: 1px solid var(--pq-border);
  border-radius: 8px;
  outline: 0;
  font: inherit;
  font-size: var(--font-small);
}

.qna-ai-dialog textarea:focus {
  border-color: #7fb3f2;
  box-shadow: 0 0 0 3px rgba(7, 95, 219, .08);
}

.qna-ai-dialog form button {
  min-height: 38px;
  color: #fff;
  border: 0;
  border-radius: 7px;
  background: var(--pq-blue);
  font-size: var(--font-caption);
  font-weight: 700;
}

.qna-ai-answer {
  margin-top: 15px;
  padding: 13px;
  color: #31415d;
  border: 1px solid #c7ddf7;
  border-radius: 8px;
  background: #f2f8ff;
  font-size: var(--font-caption);
  line-height: 1.65;
}

@media (max-width: 1199px) {
  .qna-hero__grid {
    grid-template-columns: minmax(0, 1fr) minmax(390px, .9fr);
  }

  .qna-hero__facts {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px 0;
  }

  .qna-hero__facts > div:nth-child(3) {
    padding-left: 0;
    border-left: 0;
  }

  .qna-contact__inner {
    grid-template-columns: 210px minmax(180px, .8fr) minmax(340px, 1.2fr);
  }
}

@media (max-width: 1023px) {
  .qna-hero__grid {
    grid-template-columns: 1fr;
  }

  .qna-hero__visual {
    min-height: 340px;
  }

  .qna-hero__visual img {
    min-height: 340px;
  }

  .qna-hero .project-media-tools {
    right: 15px;
    top: auto;
    bottom: 35px;
  }

  .qna-content__grid {
    grid-template-columns: minmax(0, 1fr) 270px;
    gap: 20px;
  }

  .qna-contact__inner {
    grid-template-columns: 200px 1fr;
    padding-right: 22px;
  }

  .qna-contact__benefits {
    grid-column: 2;
  }

  .qna-contact__button {
    right: 25px;
  }
}

@media (max-width: 767px) {
  .qna-hero h1 {
    font-size: var(--font-page-title);
  }

  .qna-hero__facts {
    grid-template-columns: 1fr 1fr;
  }

  .qna-content__grid {
    grid-template-columns: 1fr;
  }

  .qna-sidebar {
    grid-template-columns: 1fr 1fr;
  }

  .qna-topic-panel {
    grid-column: 1 / -1;
  }

  .qna-topic-panel > div {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: 16px;
  }

  .qna-contact__inner {
    grid-template-columns: 160px 1fr;
    gap: 16px;
    padding-right: 16px;
  }

  .qna-contact__inner > img {
    height: 190px;
  }

  .qna-contact__benefits {
    grid-template-columns: 1fr;
    justify-items: start;
  }

  .qna-contact__benefits article {
    display: flex;
    align-items: center;
    justify-items: initial;
    text-align: left;
  }

  .qna-contact__benefits span {
    width: 34px;
    height: 34px;
  }

  .qna-contact__benefits svg {
    width: 18px;
    height: 18px;
  }

  .qna-contact__button {
    position: static;
    grid-column: 2;
    width: 100%;
    margin-bottom: 13px;
  }
}

@media (max-width: 479px) {
  .qna-hero h1 {
    font-size: var(--font-section-title);
  }

  .qna-hero__facts {
    grid-template-columns: 1fr;
  }

  .qna-hero__facts > div + div {
    padding-left: 0;
    border-left: 0;
  }

  .qna-hero__visual,
  .qna-hero__visual img {
    min-height: 245px;
  }

  .qna-search {
    grid-template-columns: 1fr;
  }

  .qna-search input {
    border-right: 1px solid var(--pq-border);
    border-radius: 8px;
  }

  .qna-search button {
    min-height: 42px;
    margin-top: 8px;
    border-radius: 8px;
  }

  .qna-item__button {
    grid-template-columns: 28px minmax(0, 1fr) 20px;
    padding: 0 12px;
  }

  .qna-item__answer p {
    padding: 0 40px 16px;
  }

  .qna-sidebar {
    grid-template-columns: 1fr;
  }

  .qna-topic-panel {
    grid-column: auto;
  }

  .qna-topic-panel > div {
    grid-template-columns: 1fr;
  }

  .qna-contact__inner {
    grid-template-columns: 1fr;
    padding: 0 16px 16px;
  }

  .qna-contact__inner > img {
    width: calc(100% + 32px);
    height: 180px;
    margin-left: -16px;
  }

  .qna-contact__benefits,
  .qna-contact__button {
    grid-column: 1;
  }
}