/* =============================================================
   DATATREE Inc. — About Page Styles
   ============================================================= */

.intro-section{ background: #fff; }
.intro-grid{
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 70px;
  align-items: center;
}
.intro-text h2{ font-size: clamp(1.6rem, 3vw, 2.2rem); font-weight: 800; margin-bottom: 22px; }
.intro-text > p{ color: var(--text-body); margin-bottom: 30px; line-height: 1.85; }
.intro-point{ display: flex; gap: 18px; margin-bottom: 24px; }
.intro-point .dot{
  flex-shrink: 0;
  width: 42px; height: 42px;
  border-radius: 12px;
  background: var(--gradient-brand);
  color: #fff;
  display: flex; align-items: center; justify-content: center;
  font-size: 1rem;
}
.intro-point h5{ font-family: 'Manrope',sans-serif; font-weight: 800; font-size: .95rem; letter-spacing: .04em; color: var(--brand-blue); margin-bottom: 6px; }
.intro-point p{ font-size: .93rem; color: var(--text-muted); }
.intro-img{ border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow-card); }

@media (max-width: 900px){
  .intro-grid{ grid-template-columns: 1fr; gap: 40px; }
  .intro-img{ order: -1; }
}

/* ---------- Vision ---------- */
.vision-section{
  position: relative;
  background: var(--gradient-dark);
  padding: 100px 0;
  overflow: hidden;
  color: #fff;
}
.vision-section::before{
  content: '';
  position: absolute; inset: 0;
  background: radial-gradient(circle at 20% 30%, rgba(67,135,240,.35), transparent 45%),
              radial-gradient(circle at 85% 75%, rgba(52,214,196,.25), transparent 50%);
}
.vision-inner{
  position: relative; z-index: 2;
  display: grid;
  grid-template-columns: .9fr 1.1fr;
  gap: 60px;
  align-items: center;
}
.vision-inner img{ border-radius: var(--radius-lg); }
.vision-copy .eyebrow{ background: rgba(255,255,255,.1); color: var(--brand-cyan); }
.vision-copy h3{ color: #fff; font-size: clamp(1.5rem, 3vw, 2.2rem); font-weight: 800; line-height: 1.5; margin: 18px 0; }
.vision-copy h3 strong{ color: var(--brand-cyan); }

@media (max-width: 900px){
  .vision-inner{ grid-template-columns: 1fr; }
}

/* ---------- History (timeline) ---------- */
.history-section{ background: var(--bg-light); }
.timeline{
  position: relative;
  max-width: 900px;
  margin: 0 auto;
  padding-left: 30px;
}
.timeline::before{
  content: '';
  position: absolute;
  left: 6px; top: 6px; bottom: 6px;
  width: 2px;
  background: linear-gradient(180deg, var(--brand-blue), var(--brand-cyan));
}
.timeline-item{
  position: relative;
  padding: 0 0 34px 34px;
}
.timeline-item::before{
  content: '';
  position: absolute;
  left: -3px; top: 4px;
  width: 14px; height: 14px;
  border-radius: 50%;
  background: #fff;
  border: 3px solid var(--brand-blue);
}
.timeline-item .t-date{
  font-family: 'Manrope', sans-serif;
  font-weight: 800;
  color: var(--brand-blue);
  font-size: .95rem;
  margin-bottom: 6px;
}
.timeline-item p{ color: var(--text-body); font-size: .95rem; }
.timeline-item p + p{ margin-top: 4px; }

/* ---------- Clients / Partners logos grid ---------- */
.clients-section{ background: #fff; }
.client-block{ margin-bottom: 60px; }
.client-block:last-child{ margin-bottom: 0; }
.client-block h4{
  font-family: 'Manrope', sans-serif;
  font-weight: 800;
  letter-spacing: .1em;
  color: var(--text-dark);
  font-size: 1rem;
  margin-bottom: 26px;
  text-align: center;
}
.logo-grid{
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.logo-grid .logo-item{
  background: #fff;
  border: 1px solid #eef1f8;
  border-radius: var(--radius-md);
  padding: 20px 24px;
  display: flex; align-items: center; justify-content: center;
  min-height: 150px;
  box-shadow: var(--shadow-soft);
  transition: transform .3s var(--ease), box-shadow .3s var(--ease);
}
.logo-grid .logo-item:hover{ transform: translateY(-6px); box-shadow: var(--shadow-hover); }
.logo-grid img{ max-height: 120px; width: auto; max-width: 100%; object-fit: contain; }

@media (max-width: 1000px){ .logo-grid{ grid-template-columns: repeat(3, 1fr); } }
@media (max-width: 700px){
  .logo-grid{ grid-template-columns: repeat(2, 1fr); gap: 16px; }
  .logo-grid .logo-item{ min-height: 110px; padding: 16px 18px; }
  .logo-grid img{ max-height: 88px; }
}

/* ---------- Location ---------- */
.location-section{ background: var(--bg-light); }
.location-grid{
  display: grid;
  grid-template-columns: 1.2fr .8fr;
  gap: 30px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-card);
}
#map{ width: 100%; height: 420px; background: #dfe7f5; }
.location-info{
  background: #fff;
  padding: 42px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 22px;
}
.location-info h4{ font-size: 1.2rem; font-weight: 800; line-height: 1.5; }
.location-info p{ color: var(--text-muted); font-size: .92rem; }
.location-links{ display: flex; gap: 12px; flex-wrap: wrap; }
.location-links a{
  display: inline-flex; align-items: center; gap: 8px;
  padding: 12px 20px;
  border-radius: var(--radius-pill);
  background: var(--bg-soft);
  font-weight: 700;
  font-size: .88rem;
  color: var(--brand-blue-dark);
  transition: background .3s;
}
.location-links a:hover{ background: var(--brand-blue); color: #fff; }
.location-contact{ border-top: 1px solid #eef1f8; padding-top: 20px; margin-top: 4px; }
.location-contact p{ font-size: .9rem; color: var(--text-body); margin-bottom: 4px; }

@media (max-width: 900px){
  .location-grid{ grid-template-columns: 1fr; }
  #map{ height: 300px; }
}