/* ========================================
   ABOUT PAGE SECTIONS
   ======================================== */

/* Hero Section — clean, no background image */
.about__hero {
  padding: calc(var(--space-section) + 80px) var(--space-element) var(--space-section);
  background-color: var(--color-surface);
  border-bottom: 2px solid var(--color-surface-high);
}

.about__hero-title {
  font-family: 'Inter', sans-serif;
  font-size: clamp(2.5rem, 6vw, 5rem);
  line-height: 1;
  font-weight: 900;
  font-style: italic;
  text-transform: uppercase;
  letter-spacing: -0.02em;
  color: var(--color-text);
  margin-bottom: 20px;
}

.about__hero-highlight {
  color: var(--color-electric-red);
}

.about__hero-tagline {
  font-size: clamp(1.125rem, 2vw, 1.375rem);
  line-height: 1.5;
  color: var(--color-text-muted);
  max-width: 600px;
}

/* Metrics Section */
.about__metrics {
  padding: var(--space-block) var(--space-element);
}

.about__metrics-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-block);
}

.about__metric {
  display: flex;
  flex-direction: column;
  gap: var(--space-tight);
}

.about__metric-number {
  font-family: "Bebas Neue", "Archivo Black", sans-serif;
  font-size: clamp(3rem, 6vw, 4rem);
  line-height: 1;
}

.about__metric-label {
  font-size: 0.875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--color-text-muted);
}

/* Cultural Gap Section */
.about__cultural-gap {
  padding: var(--space-section) var(--space-element);
}

.about__gap-content {
  display: flex;
  align-items: center;
  gap: var(--space-block);
}

.about__gap-text {
  flex: 1;
}

.about__gap-title {
  font-family: 'Inter', sans-serif;
  font-size: clamp(2.5rem, 5vw, 4rem);
  line-height: 1.1;
  font-weight: 900;
  font-style: italic;
  text-transform: uppercase;
  margin-bottom: var(--space-element);
}

.about__gap-desc {
  font-size: 1.125rem;
  line-height: 1.6;
  color: var(--color-text-muted);
  margin-bottom: var(--space-element);
}

.about__gap-desc:last-child {
  margin-bottom: 0;
}

.about__gap-images {
  flex: 1;
  position: relative;
  height: 600px;
}

.about__gap-img {
  position: absolute;
  width: 75%;
  height: 400px;
  object-fit: cover;
  filter: grayscale(100%);
  transition: filter 0.5s ease-out;
}

.about__gap-img:hover {
  filter: grayscale(0%);
}

.about__gap-img--shenzhen {
  top: 0;
  right: 0;
  z-index: 10;
}

.about__gap-img--la {
  bottom: 0;
  left: 0;
  z-index: 20;
  border: 4px solid var(--color-surface);
}

/* Overview Section */
.about__overview {
  padding: var(--space-section) var(--space-element);
  background-color: var(--color-surface-low);
  position: relative;
  overflow: hidden;
}

.about__overview::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: url("../../assets/images/about/los-angeles.jpg");
  background-size: cover;
  background-position: center top;
  opacity: 0.06;
  pointer-events: none;
}

.about__overview-layout {
  display: flex;
  flex-direction: column;
  gap: var(--space-block);
  position: relative;
}

@media (min-width: 768px) {
  .about__overview-layout {
    flex-direction: row;
    align-items: flex-start;
    gap: 64px;
  }
}

.about__overview-text {
  flex: 3;
}

.about__section-title.about__section-title--left {
  text-align: left;
}

.about__overview-content {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.about__overview-content p {
  font-size: 1.0625rem;
  line-height: 1.8;
  color: var(--color-text-muted);
}

.about__overview-metrics {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 40px;
  padding-left: 32px;
  border-left: 2px solid var(--color-surface-high);
}

@media (max-width: 767px) {
  .about__overview-metrics {
    flex-direction: row;
    border-left: none;
    border-top: 2px solid var(--color-surface-high);
    padding-left: 0;
    padding-top: 32px;
  }
}

/* Services grid */
.about__services-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  max-width: 900px;
  margin: 0 auto;
}

@media (min-width: 768px) {
  .about__services-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .about__services-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

.about__service {
  padding: 24px 20px;
  border-top: 3px solid transparent;
  background-color: var(--color-surface-low);
  transition: background-color 0.15s ease-out;
}

.about__service:hover {
  background-color: var(--color-surface-high);
}

.about__service--cyan { border-top-color: var(--color-digital-cyan); }
.about__service--purple { border-top-color: #9B5DE5; }
.about__service--red { border-top-color: var(--color-electric-red); }
.about__service--white { border-top-color: var(--color-text); }

.about__service-icon {
  display: block;
  font-size: 0.75rem;
  margin-bottom: 12px;
}

.about__service--cyan .about__service-icon { color: var(--color-digital-cyan); }
.about__service--purple .about__service-icon { color: #9B5DE5; }
.about__service--red .about__service-icon { color: var(--color-electric-red); }
.about__service--white .about__service-icon { color: var(--color-text); }

.about__service-title {
  font-family: "Bebas Neue", "Archivo Black", sans-serif;
  font-size: 1.125rem;
  text-transform: uppercase;
  color: var(--color-text);
  margin-bottom: 8px;
  letter-spacing: 0.05em;
}

.about__service-desc {
  font-size: 0.8125rem;
  line-height: 1.5;
  color: var(--color-text-muted);
}

/* Architects Section */
.about__architects {
  padding: var(--space-section) var(--space-element) 24px;
}

.about__section-title {
  font-family: 'Inter', sans-serif;
  font-size: clamp(2.5rem, 5vw, 4rem);
  line-height: 1.1;
  font-weight: 900;
  font-style: italic;
  text-transform: uppercase;
  text-align: center;
  margin-bottom: var(--space-block);
}

.about__architects-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 48px;
}

@media (min-width: 768px) {
  .about__architects-grid {
    grid-template-columns: 1fr 1fr;
    gap: 64px;
  }

  .about__architect:first-child {
    border-right: 1px solid var(--color-surface-highest);
    padding-right: 64px;
  }
}

.about__architect {
  background-color: transparent;
}

.about__architect-image {
  height: 400px;
  overflow: hidden;
}

.about__architect-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.7s ease-out;
}

.about__architect:hover .about__architect-img {
  transform: scale(1.05);
}

.about__architect-content {
  padding: 0;
}

.about__architect-name-row {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: var(--space-micro);
}

.about__architect-name {
  font-family: "Bebas Neue", "Archivo Black", sans-serif;
  font-size: 2rem;
  text-transform: uppercase;
}

.about__linkedin-link {
  display: inline-flex;
  color: #2D8CFF;
  transition: opacity 0.15s ease-out;
}

.about__linkedin-link:hover {
  opacity: 0.7;
}

.about__linkedin-icon {
  width: 28px;
  height: 28px;
}

.about__architect-role {
  font-size: 0.875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  margin-bottom: var(--space-element);
}

.about__architect-details {
  display: flex;
  flex-direction: column;
  gap: var(--space-element);
}

.about__detail-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-tight);
}

.about__detail-title {
  font-weight: 700;
  color: var(--color-text);
}

.about__detail-text {
  font-size: 0.875rem;
  color: var(--color-text-muted);
}

.about__detail-list {
  list-style: none;
  padding-left: var(--space-tight);
}

.about__detail-list {
  padding-left: var(--space-tight);
  list-style: none;
}

.about__detail-list li {
  position: relative;
  font-size: 0.875rem;
  color: var(--color-text-muted);
  margin-bottom: var(--space-micro);
  padding-left: var(--space-tight);
}

.about__detail-list li::before {
  content: '•';
  color: var(--color-electric-red);
  position: absolute;
  left: 0;
  top: 0;
}

/* Command Centers Section */
.about__command-centers {
  padding: var(--space-section) var(--space-element);
}

.about__centers-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-section);
}

.about__center {
  display: flex;
  align-items: center;
  gap: var(--space-block);
}

.about__center--reverse {
  flex-direction: row-reverse;
}

.about__center-image {
  flex: 1;
  overflow: hidden; /* 确保放大的图片不会溢出 */
  border-radius: 0; /* 保持方形边角 */
}

.about__center-img {
  width: 100%;
  height: 400px;
  object-fit: cover;
  object-position: center;
  border: 2px solid var(--color-surface-highest);
  transform: scale(1.2); /* 放大并中心裁剪 */
}

.about__center-content {
  flex: 1;
}

.about__center-number {
  font-size: 0.875rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  margin-bottom: var(--space-tight);
}

.about__center-title {
  font-family: 'Inter', sans-serif;
  font-size: 2.5rem;
  font-weight: 900;
  font-style: italic;
  text-transform: uppercase;
  margin-bottom: var(--space-tight);
}

.about__center-desc {
  font-size: 1.125rem;
  line-height: 1.6;
  color: var(--color-text-muted);
}

/* Final CTA Section */
.about__cta {
  position: relative;
  padding: var(--space-section) var(--space-element);
  text-align: center;
  overflow: hidden;
}

.about__cta-bg {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 600px;
  height: 600px;
  background-color: rgba(255, 45, 85, 0.05);
  transform: translateY(50%) translateX(-25%);
}

.about__cta-content {
  position: relative;
  z-index: 10;
  max-width: 800px;
  margin: 0 auto;
}

.about__cta-title {
  font-family: 'Inter', sans-serif;
  font-size: clamp(2.5rem, 6vw, 5rem);
  line-height: 1.1;
  font-weight: 900;
  font-style: italic;
  text-transform: uppercase;
  letter-spacing: -0.02em;
  margin-bottom: var(--space-element);
}

.about__cta-desc {
  font-size: 1.25rem;
  line-height: 1.5;
  color: var(--color-text-muted);
  margin-bottom: var(--space-block);
}

.about__cta-button {
  font-size: 1.125rem;
  padding: 20px 48px;
}

/* Mobile Responsive */
@media (max-width: 768px) {
  .about__hero-content {
    flex-direction: column;
    gap: var(--space-element);
  }

  .about__hero-side {
    padding-left: 0;
    border-left: none;
    border-top: 2px solid var(--color-electric-red);
    padding-top: var(--space-element);
  }

  .about__gap-content {
    flex-direction: column;
  }

  .about__gap-images {
    height: 400px;
    width: 100%;
  }

  .about__gap-img {
    width: 90%;
    height: 300px;
  }

  .about__architects-grid {
    grid-template-columns: 1fr;
  }

  .about__center,
  .about__center--reverse {
    flex-direction: column;
  }

  .about__center-image {
    order: 1;
  }

  .about__center-content {
    order: 2;
  }
}

@media (max-width: 480px) {
  .about__hero {
    min-height: 80vh;
  }

  .about__metrics-grid {
    grid-template-columns: 1fr;
    gap: var(--space-element);
  }

  .about__architects-grid {
    grid-template-columns: 1fr;
    gap: var(--space-element);
  }
}