/* ================= ABOUT PAGE STYLES (about.html) ================= */
/* Biến dùng chung xem tại :root trong style.css. File này chỉ chứa style riêng cho about.html. */

/* ---------- Mở đầu: Tiêu đề trang ---------- */
.about-intro {
  width: 100%;
  box-sizing: border-box;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 40px;
  padding: 96px 30px 60px;
  background-color: #fff;
  text-align: center;
}

.about-intro-inner {
  max-width: 760px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
}

.about-intro-title {
  margin: 0;
  font-family: var(--font-ma-clayton);
  font-weight: 400;
  font-size: clamp(48px, 6vw, 84px);
  line-height: 1.1;
  color: var(--color-gray-100);
}

.about-intro-lede {
  text-align: center;
}

.about-intro-visual {
  width: 100%;
  max-width: 1680px;
}

.about-intro-visual img {
  display: block;
  width: 100%;
  height: clamp(280px, 40vw, 560px);
  object-fit: cover;
  border-radius: 12px;
}

/* ---------- Tổng quan xưởng sản xuất ---------- */
.about-overview {
  width: 100%;
  box-sizing: border-box;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 56px;
  padding: 96px 30px;
  background-color: var(--color-floralwhite);
}

.about-overview-header {
  max-width: 820px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
  text-align: center;
}

.about-overview-header .eyebrow-row,
.about-overview-header .heading-row,
.about-overview-header .subtext-row {
  align-items: center;
}

.about-overview-header .section-heading,
.about-overview-header .section-subtext {
  text-align: center;
}

.about-overview-header .section-heading {
  width: 60%;
  font-size: clamp(26px, 3.5vw, 46px);
  font-family: var(--font-manrope);
}

.about-stats {
  width: 100%;
  max-width: 1680px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
}

.about-stat-item {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  text-align: left;
}

.about-stat-img-wrap {
  position: relative;
  width: 100%;
  aspect-ratio: 4 / 5;
  border-radius: 50% 50% 0 0 / 38% 38% 0 0;
  overflow: hidden;
}

.about-stat-img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.about-stat-overlay {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  padding: 40px 20px 20px;
  background-image: linear-gradient(to top, rgba(20, 18, 14, 0.75) 0%, rgba(20, 18, 14, 0.35) 55%, rgba(20, 18, 14, 0) 100%);
}

.about-stat-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 4px;
  font-family: var(--font-manrope);
  font-size: 14px;
  line-height: 1.6;
  color: rgba(249, 246, 239, 0.9);
}

.about-stat-list strong {
  font-weight: 600;
  color: var(--color-white);
}

/* ---------- Giá trị cốt lõi ---------- */
.about-values {
  width: 100%;
  max-width: 1680px;
  margin: 0 auto;
  box-sizing: border-box;
  border-top: 1px solid var(--Zeus-7);
  padding: 96px 30px;
  background-color: #fff;
}

.about-values-grid {
  width: 100%;
  display: flex;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: 56px;
}

.about-values-col {
  flex: 1;
  min-width: 320px;
  max-width: 640px;
  display: flex;
  flex-direction: column;
  gap: 32px;
}

.about-values-header {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.about-values-header .section-heading {
  font-family: var(--font-manrope);
  font-size: clamp(26px, 3.5vw, 46px);
}

.about-values-visual img {
  display: block;
  width: 100%;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

.about-values-list {
  flex: 1;
  min-width: 320px;
  max-width: 640px;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
}

.about-value-row {
  display: grid;
  grid-template-columns: 180px 1fr;
  gap: 24px;
  padding: 20px 0px 50px 0px;
  border-bottom: 2px solid #0b0a0a;
}

.about-value-row:first-child {
  padding-top: 0;
}

.about-value-term {
  margin: 0;
  font-weight: 500;
  font-size: 16px;
  font-family: var(--font-google-sans-code);
  color: var(--color-gray-100);
}

.about-value-desc {
  margin: 0;
  font-family: var(--font-manrope);
  font-size: 15px;
  line-height: 1.6;
  color: var(--color-slate);
}

/* ---------- Banner tuyên ngôn thương hiệu ---------- */
.about-banner {
  position: relative;
  width: 100%;
  min-height: 720px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.about-banner-bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 0;
}

.about-banner::after {
  content: "";
  position: absolute;
  inset: 0;
  background-color: rgba(30, 27, 22, 0.55);
  z-index: 1;
}

.about-banner-content {
  position: relative;
  width: 26%;
  z-index: 2;
  max-width: 820px;
  padding: 0 30px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
  text-align: center;
}

.about-banner-content .section-heading,
.about-banner-content .section-subtext {
  text-align: center;
  font-family: var(--font-manrope);
}

.about-banner-content .section-heading {
  font-size: clamp(26px, 2.5vw, 54px);
  ;
}


/* ---------- Tầm nhìn & Sứ mệnh ---------- */
.about-mission {
  width: 100%;
  max-width: 1680px;
  margin: 0 auto;
  box-sizing: border-box;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 56px;
  padding: 96px 30px;
  background-color: #fff;
}

.about-mission-content {
  flex: 1;
  min-width: 320px;
  max-width: 540px;
  display: flex;
  flex-direction: column;
  gap: 28px;
}

.about-mission-block {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.about-mission-heading {
  margin: 0;
  font-size: 22px;
  font-weight: 600;
  font-family: var(--font-manrope);
  color: var(--color-gray-100);
}

.about-mission .section-heading {
  font-size: clamp(32px, 3vw, 56px);
}

.about-mission-visual {
  flex: 1;
  min-width: 300px;
  max-width: 540px;
  align-self: stretch;
}

.about-mission-visual img {
  display: block;
  width: 100%;
  height: 100%;
  min-height: 420px;
  object-fit: cover;
  border-radius: 12px;
}

/* ---------- Quy trình phát triển bề mặt gốm ---------- */
.about-process {
  width: 100%;
  box-sizing: border-box;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 56px;
  padding: 96px 30px 120px;
  background-color: var(--color-floralwhite);
}

.about-process .section-heading {
  font-family: var(--font-manrope);
  width: 40%;
  font-size: clamp(32px, 3vw, 56px);
}

.about-process-header {
  width: 100%;
  max-width: 1680px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-bottom: 50px;
}

.about-process-grid {
  width: 100%;
  max-width: 1680px;
  display: flex;
  justify-content: space-between;
  align-items: stretch;
  flex-wrap: wrap;
  gap: 96px;
}

.about-process-table-wrap {
  flex: 3;
  min-width: 380px;
  max-width: 600px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.about-process-table-title {
  margin: 0;
  font-size: 18px;
  font-weight: 600;
  font-family: var(--font-google-sans-code);
  color: var(--color-gray-100);
}

.about-process-table-scroll {
  width: 100%;
  overflow-x: auto;
}

.about-process-table {
  width: 100%;
  min-width: 560px;
  table-layout: fixed;
  border-collapse: collapse;
  font-family: var(--font-manrope);
  font-size: 13px;
}

.about-process-table col.col-cap {
  width: 9%;
}

.about-process-table col.col-mota {
  width: 47%;
}

.about-process-table col.col-lead {
  width: 22%;
}

.about-process-table col.col-phi {
  width: 22%;
}

.about-process-table th,
.about-process-table td {
  padding: 12px 12px;
  text-align: left;
  vertical-align: top;
  border-bottom: 1px solid #0b0a0a;
  color: var(--color-slate);
}

.about-process-table th {
  font-weight: 600;
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-gray-100);
}

.about-process-table td:first-child {
  font-weight: 600;
  color: var(--color-gray-100);
}

.about-process-table td strong {
  display: block;
  font-weight: 600;
  font-size: 14px;
  color: var(--color-gray-100);
}

.about-process-table td span {
  display: block;
  margin-top: 2px;
  line-height: 1.5;
}

.about-process-note {
  margin: 0;
  padding: 16px;
  border: 1px solid var(--Zeus-7);
  border-radius: 8px;
  font-family: var(--font-manrope);
  font-size: 13px;
  line-height: 1.6;
  color: var(--color-slate);
}

.about-process-steps {
  flex: 2;
  min-width: 280px;
  max-width: 560px;
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 20px;
}

.about-process-steps__left {
  margin-top: -60px;
}

.about-process-step {
  display: flex;
  align-items: flex-start;
  gap: 20px;
  max-width: 400px;
  padding-bottom: 30px;
  border-bottom: 1px solid #0b0a0a;
}

.about-process-step:last-child {
  border-bottom: none;
}

.about-process-step-number {
  flex-shrink: 0;
  font-family: var(--font-manrope);
  font-weight: 700;
  font-size: 30px;
  line-height: 1;
  color: var(--color-terracotta);
}

.about-process-step-text {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.about-process-step-title {
  margin: 0;
  font-size: 16px;
  font-weight: 600;
  font-family: var(--font-google-sans-code);
  color: var(--color-gray-100);
}

.about-process-step-desc {
  margin: 0;
  font-family: var(--font-manrope);
  font-size: 14px;
  line-height: 1.6;
  color: var(--color-slate);
}

/* Khối chờ nhúng video giới thiệu xưởng (placeholder cho đến khi có nội dung chính thức) */
.about-video {
  width: 100%;
  max-width: 1680px;
  height: 480px;
  box-sizing: border-box;
  border: 1px dashed var(--color-lightslategray);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  background-image: repeating-conic-gradient(#f1f1f1 0% 25%, #fafafa 0% 50%);
  background-size: 24px 24px;
}

.about-video-label {
  font-family: var(--font-manrope);
  font-size: 16px;
  color: var(--color-slate);
}

/* ================= RESPONSIVE ================= */
@media screen and (max-width: 1024px) {
  .about-stats {
    grid-template-columns: 1fr;
    max-width: 480px;
  }

  .about-mission {
    flex-direction: column;
  }

  .about-values-grid {
    flex-direction: column;
  }

  .about-values-col,
  .about-values-list,
  .about-mission-visual {
    max-width: 100%;
  }

  .about-mission-visual img {
    min-height: 320px;
  }

  .about-value-row {
    grid-template-columns: 1fr;
    gap: 8px;
    padding: 20px 0;
  }

  .about-process-grid {
    flex-direction: column;
  }

  .about-process-table-wrap,
  .about-process-steps {
    max-width: 100%;
  }
}

@media screen and (max-width: 768px) {
  .about-intro {
    padding: 72px 20px 40px;
    gap: 28px;
  }

  .about-overview,
  .about-values,
  .about-mission,
  .about-process {
    padding: 64px 20px;
  }

  .about-banner {
    min-height: 400px;
  }

  .about-video {
    height: 320px;
  }
}

@media screen and (max-width: 480px) {
  .about-process-step {
    flex-direction: column;
    gap: 8px;
  }
}