/**
 * about.css — About Us page styles
 * Requires: styles.css
 */

/* ── Intro ── */
.about-intro-grid {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 64px; align-items: start;
}
.about-intro-img { position: relative; }
.about-intro-img img {
  width: 100%; border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg); aspect-ratio: 3/4; object-fit: cover;
}
.ai-badge {
  position: absolute; bottom: -16px; right: -16px;
  background: var(--gold); color: var(--text);
  padding: 18px 22px; border-radius: var(--radius);
  box-shadow: 0 6px 20px rgba(232,180,0,0.38); text-align: center;
}
.ai-badge strong {
  display: block; font-family: 'Outfit', sans-serif;
  font-size: 32px; font-weight: 800; line-height: 1;
}
.ai-badge span {
  font-family: 'Outfit', sans-serif; font-size: 11px; font-weight: 600;
  letter-spacing: 0.08em; text-transform: uppercase;
}
.about-intro-text { display: flex; flex-direction: column; gap: 18px; }
.about-intro-text p { font-size: 15.5px; color: var(--text-mid); line-height: 1.82; }
.about-intro-text p.lead { font-size: 17px; font-weight: 500; color: var(--text); line-height: 1.7; }

/* ── Mission / Vision ── */
.mv-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.mv-card {
  background: var(--white); border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: 28px 24px;
  transition: all var(--t) var(--ease);
}
.mv-card:hover { box-shadow: var(--shadow); border-color: var(--blue-lt); transform: translateY(-3px); }
.mv-icon {
  width: 46px; height: 46px;
  background: linear-gradient(135deg, var(--blue), var(--blue-lt));
  border-radius: 10px; display: flex; align-items: center; justify-content: center;
  margin-bottom: 16px;
}
.mv-icon svg { width: 22px; height: 22px; stroke: white; fill: none; stroke-width: 2; }
.mv-card h3 { font-size: 18px; font-weight: 700; margin-bottom: 9px; }
.mv-card p { font-size: 14.5px; color: var(--text-mid); line-height: 1.75; }

/* ── Timeline ── */
.timeline { position: relative; }
.timeline::before {
  content: '';
  position: absolute; left: 50%; top: 0; bottom: 0;
  width: 2px; background: var(--border); transform: translateX(-50%);
}
.tl-item {
  display: grid;
  grid-template-columns: 1fr 56px 1fr;
  gap: 24px; align-items: start; margin-bottom: 44px;
}
.tl-item:last-child { margin-bottom: 0; }
.tl-side-left { text-align: right; padding-top: 6px; }
.tl-side-right { padding-top: 6px; }
.tl-empty { visibility: hidden; }
.tl-node {
  width: 56px; height: 56px; background: var(--blue);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0; position: relative; z-index: 1;
  box-shadow: 0 0 0 6px var(--white);
}
.tl-node svg { width: 22px; height: 22px; stroke: white; fill: none; stroke-width: 2; }
.tl-year {
  font-family: 'Outfit', sans-serif; font-size: 12px; font-weight: 700;
  color: var(--blue); letter-spacing: 0.1em; text-transform: uppercase;
  margin-bottom: 5px;
}
.tl-content h4 { font-size: 16px; font-weight: 700; margin-bottom: 5px; }
.tl-content p { font-size: 13.5px; color: var(--text-mid); line-height: 1.65; margin-bottom: 8px; }
.tl-tags { display: flex; flex-wrap: wrap; gap: 5px; }
.tl-side-left .tl-tags { justify-content: flex-end; }
.tl-tag {
  font-family: 'Outfit', sans-serif; font-size: 10px; font-weight: 600;
  letter-spacing: 0.07em; text-transform: uppercase;
  color: var(--blue); background: rgba(43,69,163,0.07);
  padding: 3px 8px; border-radius: 3px;
}

/* ── Firms ── */
.firms-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.firm-card {
  border-radius: var(--radius-lg); border: 1px solid var(--border);
  padding: 28px 24px; background: var(--white);
  transition: all var(--t) var(--ease); position: relative; overflow: hidden;
}
.firm-card::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0;
  height: 4px; background: var(--gold);
}
.firm-card:hover { box-shadow: var(--shadow); transform: translateY(-4px); border-color: transparent; }
.firm-num {
  font-family: 'Outfit', sans-serif; font-size: 50px; font-weight: 800;
  color: rgba(43,69,163,0.06); line-height: 1; margin-bottom: 10px;
}
.firm-card h3 { font-size: 16px; font-weight: 700; color: var(--blue); margin-bottom: 9px; }
.firm-card p { font-size: 13.5px; color: var(--text-mid); line-height: 1.7; margin-bottom: 14px; }
.firm-list { display: flex; flex-direction: column; gap: 7px; }
.firm-list li {
  font-size: 13px; color: var(--text-mid);
  display: flex; align-items: center; gap: 8px;
}
.firm-list li::before {
  content: ''; width: 5px; height: 5px;
  background: var(--gold); border-radius: 50%; flex-shrink: 0;
}

/* ── Values ── */
.values-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.value-card {
  text-align: center; padding: 28px 16px;
  border: 1px solid var(--border); border-radius: var(--radius-lg);
  background: var(--white); transition: all var(--t) var(--ease);
}
.value-card:hover { box-shadow: var(--shadow); transform: translateY(-3px); }
.value-icon {
  width: 52px; height: 52px; margin: 0 auto 14px;
  background: linear-gradient(135deg, var(--blue), var(--blue-lt));
  border-radius: 50%; display: flex; align-items: center; justify-content: center;
}
.value-icon svg { width: 22px; height: 22px; stroke: white; fill: none; stroke-width: 2; }
.value-card h3 { font-size: 15px; font-weight: 700; margin-bottom: 7px; }
.value-card p { font-size: 13px; color: var(--text-mid); line-height: 1.6; }

/* ── Infrastructure ── */
.infra-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.infra-item {
  background: var(--white); border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: 24px 20px;
  transition: all var(--t) var(--ease);
}
.infra-item:hover { box-shadow: var(--shadow); transform: translateY(-3px); }
.infra-item h4 { font-size: 15px; font-weight: 700; margin-bottom: 8px; color: var(--blue); }
.infra-item p { font-size: 13.5px; color: var(--text-mid); line-height: 1.65; }

/* section shared */
.section { padding: 80px 0; }
.section-alt { background: var(--bg); }
.section-dark { background: var(--blue-xdk); }
.section-hd { margin-bottom: 44px; }
.section-hd.center { text-align: center; }
.section-hd.center .section-sub { margin: 12px auto 0; }
.section-hd .section-sub { margin-top: 12px; }
.section-dark .section-title { color: var(--white); }
.section-dark .section-sub { color: rgba(255,255,255,0.6); }
.section-dark .label { color: rgba(255,255,255,0.45); }

@media (max-width: 1024px) {
  .about-intro-grid { grid-template-columns: 1fr; }
  .about-intro-img { display: none; }
  .firms-grid { grid-template-columns: 1fr; }
  .values-grid { grid-template-columns: repeat(2, 1fr); }
  .infra-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 768px) {
  .timeline::before { left: 27px; }
  .tl-item { grid-template-columns: 56px 1fr; }
  .tl-side-left { display: none; }
  .tl-side-right, .tl-empty + * { grid-column: 2; }
  .tl-empty { display: none; }
  .mv-grid { grid-template-columns: 1fr; }
  .infra-grid { grid-template-columns: 1fr; }
  .section { padding: 56px 0; }
}
@media (max-width: 480px) {
  .values-grid { grid-template-columns: 1fr; }
}