/* ==========================================================================
   Linyi Mincai Stationery - About Us Stylesheet
   Modern Playful Branding, Wide Container (1480px / 1568px), B2B Visuals
   ========================================================================== */

:root {
  --orange: #ff621f;
  --orange-hover: #ff7d42;
  --navy: #10264f;
  --blue: #168cff;
  --text-dark: #1e355c;
  --text-body: #546b8b;
  --border-light: #edf2f9;
  --bg-card: #ffffff;
}

.about-page {
  background: #ffffff;
  color: var(--text-body);
  font-size: 15px;
  line-height: 1.68;
}

/* 1. Unified Container Width */
.about-width {
  width: min(1480px, calc(100% - 64px));
  margin-inline: auto;
  box-sizing: border-box;
}

@media (min-width: 1680px) {
  .about-width {
    max-width: 1568px;
  }
}

/* Common Typography & Tag Pills */
.about-page h1,
.about-page h2 {
  margin: 0 0 16px;
  color: #0077ff;
  font-family: 'Fredoka', 'Arial Rounded MT Bold', sans-serif;
  font-weight: 700;
  line-height: 1.2;
}

.about-page h1 span,
.about-page h2 span {
  color: var(--orange);
}

.about-page h2 {
  font-size: clamp(30px, 3.2vw, 44px);
}

.about-page p {
  margin: 0 0 18px;
}

.lead-text {
  font-size: 16.5px;
  line-height: 1.72;
  color: #3b506e;
  font-weight: 500;
}

.section-tag-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 5px 16px;
  border-radius: 50px;
  background: #fff0e7;
  color: var(--orange);
  font-size: 12.5px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 12px;
}

.about-page img {
  display: block;
  width: 100%;
}

/* 2. Hero Banner */
.about-hero {
  position: relative;
  height: 250px;
  overflow: hidden;
  background: #c5edff url('../images/about-banner.png') left center / cover no-repeat;
  display: flex;
  align-items: center;
}

.about-page h1 {
  font-size: clamp(48px, 5.5vw, 76px);
  font-weight: 700;
  color: #0088ff;
  margin: 0 0 10px;
  line-height: 1.1;
  letter-spacing: -1.5px;
}

.about-page h1 span {
  color: var(--orange);
}

.breadcrumbs {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-size: 15px;
  font-weight: 600;
  color: var(--navy);
}

.breadcrumbs a {
  color: var(--navy);
  text-decoration: none;
  transition: color 0.2s ease;
}

.breadcrumbs a:hover {
  color: var(--orange);
}

.breadcrumbs i {
  font-size: 13px;
  color: #8fa5c2;
}

.breadcrumbs span[aria-current='page'] {
  color: var(--orange);
}

/* Shared split layout, copy and actions for company sections. */
.about-split {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  align-items: center;
  gap: 56px;
}
.about-copy { min-width: 0; }
.about-copy p {
  font-size: 15.5px;
  line-height: 1.7;
  color: #4a5d78;
  margin: 0 0 18px;
}
.about-copy .lead-text {
  font-size: 16.5px;
  line-height: 1.72;
  color: #3b506e;
  font-weight: 500;
}
.about-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  background: var(--orange);
  color: #ffffff;
  padding: 13px 30px;
  border-radius: 50px;
  font-size: 15.5px;
  font-weight: 700;
  text-decoration: none;
  box-shadow: 0 8px 22px rgba(255, 84, 0, 0.2);
  transition: background .25s ease, transform .25s ease;
}
.about-button:hover {
  background: var(--orange-hover);
  transform: translateY(-2px);
}
.about-button:focus-visible {
  outline: 3px solid #1687e9;
  outline-offset: 4px;
}

/* 3. Who We Are: supplied artwork and reference typography */
.intro.about-split {
  display: grid;
  grid-template-columns: 1.04fr 1fr;
  align-items: center;
  gap: 28px;
  padding-block: 52px 18px;
}
.intro-photo { min-width: 0; }
.intro-cloud-mask { background: transparent; border: 0; border-radius: 0; overflow: visible; box-shadow: none; }
.intro-building-img { display: block; width: 100%; height: auto; object-fit: contain; }
.intro-copy { position: relative; min-width: 0; padding: 38px 32px 78px 0; }
.about-page .intro-copy .who-we-are-title {
  display: flex;
  align-items: center;
  flex-wrap: nowrap;
  gap: .2em;
  margin: 0 0 24px;
  font-size: clamp(32px, 3.2vw, 44px);
  line-height: 1.15;
  letter-spacing: -.5px;
  position: relative;
  z-index: 1;
}
.about-page .intro-copy .title-who { color: #ff5c1c; }
.about-page .intro-copy .title-we, .about-page .intro-copy .title-are { color: #007aff; }
.title-burst { display: inline-flex; align-self: flex-start; width: 32px; flex-shrink: 0; margin-left: -2px; transform: rotate(12deg) translateY(-8px); }
.about-page .intro-copy p { position: relative; z-index: 1; font-size: 16px; line-height: 1.75; color: #555b69; margin: 0 0 20px; }
.intro-actions { position: relative; z-index: 1; margin-top: 24px; display: flex; }
.btn-learn-more { display: inline-flex; align-items: center; justify-content: center; gap: 14px; min-height: 50px; padding: 12px 34px; border-radius: 40px; background: var(--orange); color: white; font-size: 16px; font-weight: 600; box-shadow: 0 10px 22px #ff672823; transition: background .2s, transform .2s; }
.btn-learn-more:hover { background: var(--orange-hover); transform: translateY(-2px); }
.about-page .intro-decoration { position: absolute; pointer-events: none; object-fit: contain; }
.about-page .intro-cloud { width: 110px; right: 0; top: -18px; }
.about-page .intro-star { width: 26px; right: -6px; top: 140px; }
.about-page .intro-pencil { width: 210px; right: 0; bottom: 0; }
.about-page .intro-yellow-star { width: 26px; right: -6px; bottom: 8px; }

/* 4. Section 2: Key Milestones / Statistics Counter (Matching Design Mockup Banner) */
.numbers-banner {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  background: #fffdf5;
  border: 2px solid #fff3db;
  border-radius: 28px;
  padding: 34px 20px;
  margin-bottom: 76px;
  box-shadow: 0 10px 32px rgba(255, 183, 3, 0.08);
}

.numbers-banner .stat-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 10px;
  padding: 8px 16px;
  border-right: 1px dashed #eedfc4;
}

.numbers-banner .stat-card:last-child {
  border-right: 0;
}

.stat-icon-wrapper {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 56px;
  width: 56px;
  transition: transform 0.25s ease;
}

.stat-icon-wrapper img {
  max-width: 100%;
  max-height: 100%;
  width: auto;
  height: auto;
  object-fit: contain;
}

.numbers-banner .stat-card:hover .stat-icon-wrapper {
  transform: scale(1.12) translateY(-2px);
}

.color-orange {
  color: #ff5400;
}

.color-blue {
  color: #0077ff;
}

.color-yellow {
  color: #f7a000;
}

.color-pink {
  color: #f72585;
}

.stat-num {
  display: block;
  font-family: 'Fredoka', 'Arial Rounded MT Bold', sans-serif;
  font-size: 38px;
  font-weight: 700;
  line-height: 1.15;
}

.stat-num sup {
  font-size: 16px;
  font-weight: 700;
  vertical-align: super;
}

.stat-lbl {
  display: block;
  font-size: 14.5px;
  font-weight: 600;
  color: #6c7d93;
  margin-top: 4px;
}

/* 5. Section 3: Why Choose Us (Strengths Grid) */
.advantages {
  padding-bottom: 72px;
}

.about-section-heading {
  text-align: center;
  max-width: 760px;
  margin: 0 auto 44px;
}

.about-section-heading h2 {
  margin-bottom: 12px;
}

.about-section-heading p {
  font-size: 16px;
  color: #556c8c;
  margin: 0;
}

.advantages-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 28px;
}

.adv-card {
  text-align: center;
  padding: 38px 26px 32px;
  border-radius: 24px;
  background: #ffffff;
  border: 2px solid #edf2f9;
  box-shadow: 0 10px 32px rgba(16, 38, 79, 0.04);
  transition: all 0.3s cubic-bezier(0.2, 0.8, 0.2, 1);
}

.adv-card:hover {
  transform: translateY(-8px);
  border-color: #ffd8c4;
  box-shadow: 0 18px 42px rgba(255, 98, 31, 0.12);
}

.adv-icon-box {
  width: 68px;
  height: 68px;
  border-radius: 22px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 28px;
  color: #ffffff;
  margin-bottom: 22px;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.08);
  transition: transform 0.3s ease;
}

.adv-card:hover .adv-icon-box {
  transform: scale(1.1);
}

.adv-icon-box.pink { background: linear-gradient(135deg, #ff7aa2 0%, #fa3d7a 100%); }
.adv-icon-box.blue { background: linear-gradient(135deg, #3aa3ff 0%, #1178ff 100%); }
.adv-icon-box.green { background: linear-gradient(135deg, #4bd5a4 0%, #26b37f 100%); }
.adv-icon-box.orange { background: linear-gradient(135deg, #ff8238 0%, #f95f10 100%); }

.adv-card h3 {
  color: var(--navy);
  font-family: 'Fredoka', 'Arial Rounded MT Bold', sans-serif;
  font-size: 19px;
  font-weight: 700;
  margin: 0 0 12px;
}

.adv-card p {
  font-size: 14px;
  line-height: 1.6;
  color: #607798;
  margin: 0;
}

/* 6. Section 4: Manufacturing & Quality Showcase */
.manufacturing {
  padding-block: 72px 64px;
  scroll-margin-top: 100px;
  border-top: 1px dashed #e2ecf8;
}

.production-main-wrap {
  border-radius: 28px;
  overflow: hidden;
  box-shadow: 0 14px 44px rgba(16, 38, 79, 0.08);
}

.production-main {
  aspect-ratio: 16 / 10;
  object-fit: cover;
  transition: transform 0.35s ease;
}

.production-main-wrap:hover .production-main {
  transform: scale(1.03);
}

.production-gallery {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  margin-top: 36px;
}

.gallery-photo-item {
  position: relative;
  border-radius: 20px;
  overflow: hidden;
  box-shadow: 0 8px 24px rgba(16, 38, 79, 0.05);
  background: #f7faff;
  transition: transform 0.28s ease;
}

.gallery-photo-item:hover {
  transform: translateY(-6px);
}

.gallery-photo-item img {
  aspect-ratio: 16 / 10;
  object-fit: cover;
}

.photo-caption {
  display: block;
  padding: 12px 16px;
  text-align: center;
  font-size: 13.5px;
  font-weight: 700;
  color: var(--navy);
  background: #ffffff;
  border-top: 1px solid #edf2f9;
}

/* 7. Section 5: Team & Values */
.team {
  padding-block: 64px 72px;
  border-top: 1px dashed #e2ecf8;
}

.team-photo-wrap {
  border-radius: 28px;
  overflow: hidden;
  box-shadow: 0 14px 44px rgba(16, 38, 79, 0.08);
}

.team-photo {
  aspect-ratio: 4 / 3;
  object-fit: cover;
  transition: transform 0.35s ease;
}

.team-photo-wrap:hover .team-photo {
  transform: scale(1.03);
}

.values-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 30px;
}

.value-card {
  padding: 24px 18px;
  border-radius: 20px;
  text-align: center;
  border: 1px solid transparent;
  transition: transform 0.25s ease;
}

.value-card:hover {
  transform: translateY(-4px);
}

.value-card i {
  font-size: 32px;
  margin-bottom: 14px;
  display: inline-block;
}

.value-card h3 {
  font-family: 'Fredoka', 'Arial Rounded MT Bold', sans-serif;
  font-size: 17px;
  font-weight: 700;
  color: var(--navy);
  margin: 0 0 8px;
}

.value-card p {
  font-size: 13px;
  line-height: 1.5;
  color: #556c8c;
  margin: 0;
}

.value-pink {
  background: #fff3f8;
  border-color: #ffd9e8;
}
.value-pink i { color: #f43f5e; }

.value-blue {
  background: #f0f8ff;
  border-color: #d7ecff;
}
.value-blue i { color: #168cff; }

.value-green {
  background: #f1fbf6;
  border-color: #d3f3e3;
}
.value-green i { color: #22c55e; }

/* 9. Responsive Breakpoints */
@media (max-width: 1200px) {
  .about-split {
    gap: 40px;
  }
  .advantages-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
  }
}

@media (max-width: 992px) {
  .about-width {
    width: calc(100% - 48px);
  }
  .about-split {
    grid-template-columns: 1fr;
    gap: 36px;
  }
  .company-numbers,
  .numbers-banner {
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
    padding: 28px 20px;
  }
  .numbers-banner .stat-card {
    border-right: 0;
  }
  .numbers-banner .stat-card:nth-child(odd) {
    border-right: 1px dashed #eedfc4;
  }
  .production-gallery {
    gap: 18px;
  }
}

@media (max-width: 768px) {
  .about-width {
    width: calc(100% - 32px);
  }
  .about-hero {
    height: 200px;
  }
  .company-numbers,
  .numbers-banner {
    grid-template-columns: 1fr;
  }
  .numbers-banner .stat-card:nth-child(odd) {
    border-right: 0;
  }
  .numbers-banner .stat-card {
    border-bottom: 1px dashed #eedfc4;
    padding-bottom: 18px;
  }
  .numbers-banner .stat-card:last-child {
    border-bottom: 0;
  }
  .advantages-grid {
    grid-template-columns: 1fr;
  }
  .values-grid {
    grid-template-columns: 1fr;
  }
  .production-gallery {
    grid-template-columns: 1fr;
  }
  .intro-actions {
    flex-direction: column;
    width: 100%;
  }
  .about-button,
  .about-ghost-button {
    width: 100%;
    justify-content: center;
    box-sizing: border-box;
  }
}

/* Reference statistic icons and responsive intro refinements */
.numbers-banner { background: #fffaef; border: 0; box-shadow: none; border-radius: 36px; padding: 34px 24px; }
.numbers-banner .stat-card { gap: 12px; border-color: #ffcda3; }
.numbers-banner .stat-icon-wrapper { height: 56px; width: 56px; }
.numbers-banner .stat-icon-wrapper img { width: 100%; height: 100%; object-fit: contain; }
.numbers-banner .stat-num { font-size: clamp(34px, 3vw, 50px); }
.numbers-banner .stat-lbl { color: #555b69; font-weight: 400; font-size: clamp(15px, 1.4vw, 22px); }
@media (max-width: 1200px) {
  .intro-copy { padding-right: 16px; }
  .about-page .intro-cloud { width: 100px; top: -4px; }
  .about-page .intro-pencil { width: 185px; }
  .title-burst { width: 30px; }
}
@media (max-width: 992px) {
  .intro.about-split { grid-template-columns: 1fr; gap: 16px; padding-top: 36px; }
  .intro-photo { width: min(720px, 100%); margin-inline: auto; }
  .intro-copy { padding: 32px 30px 88px 0; }
  .about-page .intro-copy .who-we-are-title { font-size: clamp(28px, 4.5vw, 38px); }
  .about-page .intro-copy p { font-size: 15.5px; line-height: 1.7; }
  .about-page .intro-cloud { right: 0; }
  .about-page .intro-star { right: 0; top: 115px; }
  .numbers-banner .stat-icon-wrapper { height: 60px; width: 64px; }
}
@media (max-width: 640px) {
  .intro-copy { padding: 20px 0 110px; }
  .about-page .intro-copy .who-we-are-title { font-size: clamp(24px, 6.5vw, 32px); gap: .16em; margin-bottom: 18px; }
  .about-page .intro-copy p { font-size: 15px; line-height: 1.65; margin-bottom: 16px; }
  .about-page .intro-cloud { width: 70px; top: -30px; }
  .about-page .intro-star { width: 20px; right: -8px; top: 65px; }
  .about-page .intro-pencil { width: 170px; bottom: 4px; right: 12px; }
  .about-page .intro-yellow-star { width: 24px; right: 0; }
  .title-burst { width: 22px; transform: rotate(12deg) translateY(-4px); }
  .intro .intro-actions { margin-top: 18px; }
  .intro .btn-learn-more { width: auto; min-height: 46px; font-size: 15px; padding: 10px 26px; }
  .numbers-banner { grid-template-columns: repeat(2, 1fr); gap: 24px 0; padding: 28px 12px; border-radius: 24px; }
  .numbers-banner .stat-card { border-bottom: 0; padding: 8px; }
  .numbers-banner .stat-card:nth-child(2) { border-right: 0; }
  .numbers-banner .stat-icon-wrapper { height: 54px; width: 60px; }
  .numbers-banner .stat-num { font-size: 34px; }
  .numbers-banner .stat-lbl { font-size: 14px; }
}
@media (prefers-reduced-motion: reduce) { .intro .btn-learn-more { transition: none; } }