/* ========================================
   WINNOW CHINA — ABOUT PAGE STYLES
   Page: 02-about.html
   ======================================== */

/* ========================================
   ABOUT HERO (derived from .hero, 70vh)
   ======================================== */
.about-hero {
  position: relative;
  min-height: 70vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  background: var(--dark-bg);
}

.about-hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.about-hero-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.about-hero-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.4);
}

.about-hero .container {
  position: relative;
  z-index: 2;
}

.about-hero .hero-content {
  max-width: 640px;
  background: rgba(255, 255, 255, 0.75);
  backdrop-filter: blur(12px);
  border-radius: var(--radius-lg);
  padding: 48px 48px;
  margin-top: 72px;
}

.about-hero h1 {
  font-size: clamp(2.2rem, 5vw, 3.2rem);
  font-weight: 700;
  color: var(--purple);
  line-height: 1.2;
  margin-bottom: 20px;
}

.about-hero .hero-sub {
  font-size: 1.05rem;
  color: var(--text-body);
  line-height: 1.7;
  margin-bottom: 36px;
  max-width: 520px;
}

.about-hero .hero-buttons {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

/* ========================================
   IMPACT METRICS (dark strip)
   ======================================== */
.impact-metrics {
  background: var(--dark-bg);
  padding: 64px 0;
  text-align: center;
}

.impact-metrics .stats-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  max-width: 1000px;
  margin: 0 auto;
}

.impact-metrics .stat-item {
  text-align: center;
  padding: 0 24px;
  border-right: 1px solid rgba(255, 255, 255, 0.12);
}

.impact-metrics .stat-item:last-child {
  border-right: none;
}

.impact-metrics .stat-icon {
  width: 48px;
  height: 48px;
  margin: 0 auto 12px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.impact-metrics .stat-icon img {
  width: 48px;
  height: 48px;
  object-fit: contain;
}

.impact-metrics .stat-number {
  font-size: clamp(2rem, 4vw, 2.8rem);
  font-weight: 700;
  color: var(--orange);
  line-height: 1.1;
  white-space: nowrap;
}

.impact-metrics .stat-label {
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.7);
  margin-top: 8px;
  line-height: 1.4;
}

/* ========================================
   COMPANY STORY (left-right grid)
   ======================================== */
.story-section {
  background: var(--white);
  padding: 100px 0;
}

.story-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.story-image {
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.story-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: var(--radius-lg);
}

.story-content .tag {
  display: inline-block;
  background: var(--light-bg);
  color: var(--blueberry);
  font-size: 0.8rem;
  font-weight: 600;
  padding: 6px 14px;
  border-radius: 50px;
  margin-bottom: 20px;
}

.story-content h2 {
  font-size: clamp(1.6rem, 3vw, 2rem);
  color: var(--purple);
  font-weight: 700;
  margin-bottom: 16px;
  line-height: 1.3;
}

.story-content p {
  font-size: 1.05rem;
  color: var(--text-body);
  line-height: 1.8;
  margin-bottom: 16px;
}

/* ========================================
   MISSION & BELIEF CARDS
   ======================================== */
.mission-section {
  background: var(--white);
  padding: 0 0 100px;
}

.mission-cards {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
}

.mission-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 40px 32px;
  text-align: center;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  border: 1px solid rgba(90, 80, 255, 0.1);
}

.mission-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 12px 32px rgba(60, 40, 120, 0.15);
}

.mission-card .card-icon {
  width: 80px;
  height: 80px;
  margin: 0 auto 24px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.mission-card .card-icon img {
  width: 80px;
  height: 80px;
  object-fit: contain;
}

.mission-card h3 {
  font-size: 1.2rem;
  color: var(--purple);
  font-weight: 700;
  margin-bottom: 12px;
}

.mission-card p {
  font-size: 0.95rem;
  color: var(--text-body);
  line-height: 1.7;
}

/* ========================================
   TECHNOLOGY SECTION
   ======================================== */
.tech-section {
  background: var(--white);
  padding: 100px 0;
}

.tech-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.tech-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 40px 32px;
  text-align: center;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  border: 1px solid rgba(90, 80, 255, 0.1);
}

.tech-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 12px 32px rgba(60, 40, 120, 0.15);
}

.tech-card .card-icon {
  width: 80px;
  height: 80px;
  margin: 0 auto 24px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.tech-card .card-icon img {
  width: 80px;
  height: 80px;
  object-fit: contain;
}

.tech-card h3 {
  font-size: 1.2rem;
  color: var(--purple);
  font-weight: 700;
  margin-bottom: 12px;
}

.tech-card p {
  font-size: 0.95rem;
  color: var(--text-body);
  line-height: 1.7;
}

.tech-cta {
  text-align: center;
  margin-top: 48px;
}

/* ========================================
   GLOBAL IMPACT / LOGO WALL
   ======================================== */
.global-section {
  background: var(--white);
  padding: 100px 0 64px;
}

/* ========================================
   CHINA COMMITMENT (dark section)
   ======================================== */
.china-section {
  background: linear-gradient(135deg, var(--dark-bg), var(--purple));
  padding: 100px 0;
  color: var(--white);
  position: relative;
  overflow: hidden;
}

.china-section::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -10%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(90, 80, 255, 0.2) 0%, transparent 70%);
  pointer-events: none;
}

.china-section .container {
  position: relative;
  z-index: 2;
}

.china-header {
  text-align: center;
  margin-bottom: 56px;
}

.china-header h2 {
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  font-weight: 700;
  color: var(--white);
  margin-bottom: 12px;
}

.china-header p {
  font-size: 1.05rem;
  color: rgba(255, 255, 255, 0.75);
  max-width: 600px;
  margin: 0 auto;
}

.china-features {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  margin-bottom: 48px;
}

.china-feature {
  padding: 32px 24px;
  background: rgba(255, 255, 255, 0.06);
  border-radius: var(--radius-lg);
  border: 1px solid rgba(255, 255, 255, 0.08);
  text-align: center;
  transition: var(--transition);
}

.china-feature:hover {
  background: rgba(255, 255, 255, 0.1);
  transform: translateY(-4px);
}

.china-feature .feature-icon {
  font-size: 2.5rem;
  margin-bottom: 16px;
  line-height: 1;
}

.china-feature h3 {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 10px;
  color: var(--white);
}

.china-feature p {
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.7);
  line-height: 1.6;
}

.china-cta {
  text-align: center;
}

/* ========================================
   TEAM SECTION
   ======================================== */
.team-section {
  background: var(--white);
  padding: 100px 0;
}

.team-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
}

.team-card {
  text-align: center;
  transition: var(--transition);
}

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

.team-avatar {
  width: 160px;
  height: 160px;
  border-radius: 50%;
  margin: 0 auto 20px;
  overflow: hidden;
  position: relative;
}

.team-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top;
}

.team-card h3 {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--purple);
  margin-bottom: 4px;
}

.team-card .team-role {
  font-size: 0.9rem;
  color: var(--gray);
  margin-bottom: 12px;
  line-height: 1.4;
}

.team-card .team-linkedin {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--light-bg);
  transition: var(--transition);
}

.team-card .team-linkedin:hover {
  background: var(--blueberry);
}

.team-card .team-linkedin svg {
  width: 16px;
  height: 16px;
  fill: var(--blueberry);
}

.team-card .team-linkedin:hover svg {
  fill: var(--white);
}

/* ========================================
   RESPONSIVE — ABOUT-ONLY
   ======================================== */

/* Tablet */
@media (max-width: 1024px) {
  .tech-cards {
    grid-template-columns: repeat(2, 1fr);
  }

  .team-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 40px;
  }

  .china-features {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* Mobile */
@media (max-width: 768px) {
  .about-hero .hero-content {
    padding: 32px 24px;
    margin-top: 80px;
    margin-bottom: 60px;
  }

  .about-hero h1 {
    font-size: 2rem;
  }

  .impact-metrics .stats-row {
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
  }

  .impact-metrics .stat-item {
    border-right: none;
    padding: 0;
  }

  .story-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .mission-cards {
    grid-template-columns: 1fr;
    max-width: 400px;
    margin: 0 auto;
  }

  .tech-cards {
    grid-template-columns: 1fr;
    max-width: 400px;
    margin: 0 auto;
  }

  .china-features {
    grid-template-columns: 1fr;
    max-width: 400px;
    margin: 0 auto;
  }

  .team-grid {
    grid-template-columns: 1fr;
    max-width: 280px;
    margin: 0 auto;
  }

  .mission-section { display: none; }
  .team-section { display: none; }
  .media-section { display: none; }
}

/* Small Mobile */
@media (max-width: 480px) {
  .about-hero .hero-buttons {
    flex-direction: column;
  }

  .about-hero .hero-buttons .btn {
    width: 100%;
  }

  .impact-metrics .stats-row {
    grid-template-columns: 1fr 1fr;
  }

  .impact-metrics .stat-number {
    font-size: 1.8rem;
  }
}