/* ========================================
   Soto Machinery - About Us Page Styles
   Version: 1.1.0
   Note: Footer styles are in global soto-footer.css
   ======================================== */

/* CSS Variables (same as homepage) */
:root {
  --soto-primary: #0d7377;
  --soto-secondary: #145374;
  --soto-accent: #f5a623;
  --soto-text: #2d3748;
  --soto-text-light: #5a6b7d;
  --soto-bg: #f7f9fc;
  --soto-white: #ffffff;
  --soto-border: #e8edf2;
  --soto-radius: 8px;
  --soto-shadow: 0 4px 20px rgba(0,0,0,0.08);
  --soto-shadow-hover: 0 8px 30px rgba(0,0,0,0.12);
  --soto-transition: all 0.3s ease;
  --soto-container: 1400px;
}

/* Base Reset */
* { box-sizing: border-box; margin: 0; padding: 0; }

.soto-about-page {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Noto Sans CJK SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
  color: var(--soto-text);
  line-height: 1.7;
  background: var(--soto-white);
}

.soto-container {
  max-width: var(--soto-container);
  margin: 0 auto;
  padding: 0 24px;
}

/* ========================================
   Page Hero
   ======================================== */
.soto-about-hero {
  position: relative;
  min-height: 380px;
  display: flex;
  align-items: center;
  background: linear-gradient(135deg, var(--soto-secondary) 0%, var(--soto-primary) 100%);
  overflow: hidden;
}

.soto-about-hero::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background: url('https://www.soto-epmachinery.com/wp-content/uploads/2026/09/about-hero-bg.webp') center/cover no-repeat;
  opacity: 0.3;
  z-index: 0;
}

.soto-about-hero::after {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background: linear-gradient(135deg, rgba(15,52,73,0.82) 0%, rgba(8,88,92,0.75) 100%);
  z-index: 0;
}

.soto-about-hero-content {
  position: relative;
  z-index: 1;
  color: var(--soto-white);
  text-align: center;
  padding: 80px 0;
  max-width: 800px;
  margin: 0 auto;
}

.soto-about-hero h1 {
  font-size: 46px;
  font-weight: 700;
  margin-bottom: 16px;
  color: var(--soto-white);
  line-height: 1.2;
}

.soto-about-hero-desc {
  font-size: 18px;
  opacity: 0.92;
  margin-bottom: 0;
}

/* Breadcrumb */
.soto-breadcrumb {
  position: relative;
  z-index: 1;
  margin-bottom: 24px;
  font-size: 14px;
  opacity: 0.85;
}

.soto-breadcrumb a {
  color: var(--soto-white);
  text-decoration: none;
}

.soto-breadcrumb a:hover {
  text-decoration: underline;
}

.soto-breadcrumb span {
  margin: 0 10px;
  opacity: 0.6;
}

/* ========================================
   Section Base Styles
   ======================================== */
.soto-section {
  padding: 80px 0;
}

.soto-section-alt {
  background: var(--soto-bg);
}

.soto-section-header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto 56px;
}

.soto-section-label {
  display: inline-block;
  font-size: 13px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--soto-primary);
  background: rgba(13,115,119,0.1);
  padding: 6px 16px;
  border-radius: 20px;
  margin-bottom: 16px;
}

.soto-section-header h2 {
  font-size: 36px;
  font-weight: 700;
  color: var(--soto-text);
  margin-bottom: 16px;
  line-height: 1.3;
}

.soto-section-header p {
  font-size: 17px;
  color: var(--soto-text-light);
  line-height: 1.7;
}

/* ========================================
   Company Overview Section (2-col)
   ======================================== */
.soto-about-overview {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.soto-about-image img {
  width: 100%;
  height: auto;
  border-radius: 12px;
  box-shadow: var(--soto-shadow);
}

.soto-about-text h2 {
  font-size: 34px;
  font-weight: 700;
  color: var(--soto-text);
  margin-bottom: 20px;
  line-height: 1.3;
}

.soto-about-text .lead {
  font-size: 18px;
  color: var(--soto-primary);
  font-weight: 600;
  margin-bottom: 20px;
  line-height: 1.6;
}

.soto-about-text p {
  color: var(--soto-text-light);
  margin-bottom: 18px;
  font-size: 16px;
  line-height: 1.8;
}

.soto-about-stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  margin-top: 32px;
  padding-top: 28px;
  border-top: 1px solid var(--soto-border);
}

.soto-about-stat {
  text-align: center;
  padding: 20px;
  background: var(--soto-bg);
  border-radius: var(--soto-radius);
}

.soto-about-stat-number {
  font-size: 36px;
  font-weight: 700;
  color: var(--soto-primary);
  line-height: 1.2;
  margin-bottom: 6px;
}

.soto-about-stat-label {
  font-size: 14px;
  color: var(--soto-text-light);
}

/* ========================================
   Values / Why Choose Us Section
   ======================================== */
.soto-values-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 30px;
}

.soto-value-card {
  background: var(--soto-white);
  padding: 36px 28px;
  border-radius: 12px;
  text-align: center;
  box-shadow: var(--soto-shadow);
  transition: var(--soto-transition);
  border: 1px solid var(--soto-border);
}

.soto-value-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--soto-shadow-hover);
  border-color: var(--soto-primary);
}

.soto-value-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto 20px;
  background: linear-gradient(135deg, var(--soto-primary), var(--soto-secondary));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 28px;
  color: var(--soto-white);
}

.soto-value-card h3 {
  font-size: 19px;
  font-weight: 600;
  color: var(--soto-text);
  margin-bottom: 12px;
}

.soto-value-card p {
  font-size: 14px;
  color: var(--soto-text-light);
  line-height: 1.7;
}

/* ========================================
   Factory / Production Gallery Section
   ======================================== */
.soto-factory-gallery {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-bottom: 40px;
}

.soto-gallery-item {
  overflow: hidden;
  border-radius: 12px;
  box-shadow: var(--soto-shadow);
  transition: var(--soto-transition);
  position: relative;
}

.soto-gallery-item:hover {
  transform: translateY(-4px);
  box-shadow: var(--soto-shadow-hover);
}

.soto-gallery-item img {
  width: 100%;
  height: 280px;
  object-fit: cover;
  display: block;
  transition: transform 0.5s ease;
}

.soto-gallery-item:hover img {
  transform: scale(1.05);
}

.soto-gallery-caption {
  padding: 16px 20px;
  background: var(--soto-white);
  font-weight: 600;
  color: var(--soto-text);
  font-size: 15px;
}

/* ========================================
   Certifications Section
   ======================================== */
.soto-certs-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}

.soto-cert-card {
  background: var(--soto-white);
  border-radius: 12px;
  overflow: hidden;
  box-shadow: var(--soto-shadow);
  transition: var(--soto-transition);
  border: 1px solid var(--soto-border);
}

.soto-cert-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--soto-shadow-hover);
}

.soto-cert-image {
  height: 320px;
  overflow: hidden;
  background: var(--soto-bg);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.soto-cert-image img {
  max-height: 100%;
  max-width: 100%;
  object-fit: contain;
  border: 1px solid var(--soto-border);
}

.soto-cert-body {
  padding: 20px 24px 24px;
  text-align: center;
}

.soto-cert-body h3 {
  font-size: 17px;
  font-weight: 600;
  color: var(--soto-text);
  margin-bottom: 6px;
}

.soto-cert-body p {
  font-size: 13px;
  color: var(--soto-text-light);
}

/* ========================================
   Patents Section
   ======================================== */
.soto-patents-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 20px;
}

.soto-patent-card {
  background: var(--soto-white);
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 2px 10px rgba(0,0,0,0.06);
  transition: var(--soto-transition);
  border: 1px solid var(--soto-border);
  text-align: center;
}

.soto-patent-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--soto-shadow);
}

.soto-patent-image {
  height: 200px;
  overflow: hidden;
  background: var(--soto-bg);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 12px;
}

.soto-patent-image img {
  max-height: 100%;
  max-width: 100%;
  object-fit: contain;
}

.soto-patent-body {
  padding: 14px 12px 16px;
}

.soto-patent-body h4 {
  font-size: 13px;
  font-weight: 600;
  color: var(--soto-text);
  line-height: 1.4;
}

/* ========================================
   Timeline / Milestones Section
   ======================================== */
.soto-timeline {
  position: relative;
  max-width: 900px;
  margin: 0 auto;
}

.soto-timeline::before {
  content: '';
  position: absolute;
  left: 50%;
  top: 0;
  bottom: 0;
  width: 3px;
  background: var(--soto-border);
  transform: translateX(-50%);
}

.soto-timeline-item {
  position: relative;
  width: 50%;
  padding: 20px 40px;
  margin-bottom: 30px;
}

.soto-timeline-item:nth-child(odd) {
  left: 0;
  text-align: right;
}

.soto-timeline-item:nth-child(even) {
  left: 50%;
  text-align: left;
}

.soto-timeline-dot {
  position: absolute;
  top: 28px;
  width: 18px;
  height: 18px;
  background: var(--soto-primary);
  border: 4px solid var(--soto-white);
  border-radius: 50%;
  box-shadow: 0 0 0 3px var(--soto-primary);
}

.soto-timeline-item:nth-child(odd) .soto-timeline-dot {
  right: -9px;
}

.soto-timeline-item:nth-child(even) .soto-timeline-dot {
  left: -9px;
}

.soto-timeline-year {
  font-size: 24px;
  font-weight: 700;
  color: var(--soto-primary);
  margin-bottom: 8px;
}

.soto-timeline-content {
  background: var(--soto-white);
  padding: 20px 24px;
  border-radius: var(--soto-radius);
  box-shadow: var(--soto-shadow);
  border: 1px solid var(--soto-border);
}

.soto-timeline-content h3 {
  font-size: 17px;
  font-weight: 600;
  color: var(--soto-text);
  margin-bottom: 8px;
}

.soto-timeline-content p {
  font-size: 14px;
  color: var(--soto-text-light);
  line-height: 1.6;
}

/* ========================================
   Team Section
   ======================================== */
.soto-team-section {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 60px;
  align-items: center;
}

.soto-team-image img {
  width: 100%;
  height: auto;
  border-radius: 12px;
  box-shadow: var(--soto-shadow);
}

.soto-team-text h2 {
  font-size: 32px;
  font-weight: 700;
  color: var(--soto-text);
  margin-bottom: 20px;
}

.soto-team-text p {
  font-size: 16px;
  color: var(--soto-text-light);
  margin-bottom: 18px;
  line-height: 1.8;
}

.soto-team-list {
  list-style: none;
  margin-top: 20px;
  padding: 0;
}

.soto-team-list li {
  padding: 10px 0;
  font-size: 15px;
  color: var(--soto-text);
  display: flex;
  align-items: flex-start;
  gap: 12px;
}

.soto-team-list li::before {
  content: '✓';
  color: var(--soto-primary);
  font-weight: 700;
  flex-shrink: 0;
}

/* ========================================
   CTA Section
   ======================================== */
.soto-about-cta {
  background: linear-gradient(135deg, var(--soto-secondary) 0%, var(--soto-primary) 100%);
  color: var(--soto-white);
  text-align: center;
  padding: 70px 24px;
  border-radius: 16px;
  margin: 0 24px;
}

.soto-about-cta h2 {
  font-size: 32px;
  font-weight: 700;
  margin-bottom: 16px;
  color: var(--soto-white);
}

.soto-about-cta p {
  font-size: 17px;
  opacity: 0.92;
  margin-bottom: 32px;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.soto-about-cta-buttons {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

.soto-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  border-radius: var(--soto-radius);
  font-size: 15px;
  font-weight: 600;
  border: none;
  cursor: pointer;
  transition: var(--soto-transition);
  text-decoration: none;
}

.soto-btn-primary {
  background: var(--soto-accent);
  color: var(--soto-text);
}

.soto-btn-primary:hover {
  background: #ffb83d;
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(245,166,35,0.4);
}

.soto-btn-outline-white {
  background: transparent;
  color: var(--soto-white);
  border: 2px solid rgba(255,255,255,0.5);
}

.soto-btn-outline-white:hover {
  background: rgba(255,255,255,0.1);
  border-color: var(--soto-white);
}

/* ========================================
   Responsive Styles
   ======================================== */
@media (max-width: 1100px) {
  .soto-values-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .soto-patents-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 900px) {
  .soto-about-overview,
  .soto-team-section {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .soto-factory-gallery,
  .soto-certs-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .soto-about-hero h1 {
    font-size: 36px;
  }

  .soto-section {
    padding: 60px 0;
  }

  .soto-section-header h2 {
    font-size: 30px;
  }

  /* Timeline: single column */
  .soto-timeline::before {
    left: 20px;
  }
  .soto-timeline-item {
    width: 100%;
    left: 0 !important;
    text-align: left !important;
    padding-left: 50px;
    padding-right: 0;
  }
  .soto-timeline-dot {
    left: 11px !important;
    right: auto !important;
  }
}

@media (max-width: 600px) {
  .soto-values-grid,
  .soto-factory-gallery,
  .soto-certs-grid,
  .soto-patents-grid,
  .soto-about-stats {
    grid-template-columns: 1fr;
  }

  .soto-about-hero {
    min-height: 300px;
  }

  .soto-about-hero h1 {
    font-size: 28px;
  }

  .soto-about-hero-desc {
    font-size: 16px;
  }

  .soto-about-hero-content {
    padding: 60px 0;
  }

  .soto-section-header h2 {
    font-size: 26px;
  }

  .soto-about-text h2 {
    font-size: 26px;
  }

  .soto-about-cta {
    margin: 0;
    border-radius: 0;
    padding: 50px 20px;
  }

  .soto-about-cta h2 {
    font-size: 24px;
  }
}