.solutions { background: var(--surface-2); position: relative; overflow: hidden; }
.solutions::before {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background: radial-gradient(ellipse 640px 360px at 88% -6%, color-mix(in srgb, var(--brand-primary) 12%, transparent), transparent 60%);
}

.sol-explorer {
  position: relative; display: grid; grid-template-columns: 296px 1fr; gap: 20px;
  background: linear-gradient(150deg, color-mix(in srgb, var(--brand-primary) 8%, var(--card)), var(--card) 52%);
  border: 1px solid var(--hairline); border-radius: 26px; padding: 20px;
  box-shadow: 0 30px 64px rgba(11,18,32,.07);
}
[data-theme="dark"] .sol-explorer { box-shadow: 0 30px 64px rgba(0,0,0,.32); }

.sol-rail { display: flex; flex-direction: column; gap: 10px; }
.sol-rail-btn {
  position: relative; display: flex; align-items: center; gap: 14px; width: 100%;
  text-align: right; cursor: pointer; font-family: var(--font-fa);
  background: var(--card); border: 1px solid var(--hairline); border-radius: 16px;
  padding: 15px 16px; transition: border-color .22s, box-shadow .22s, transform .22s, background .22s;
}
.sol-rail-btn:hover { transform: translateY(-2px); border-color: var(--hairline-2); }
.sol-rail-btn .ico {
  width: 46px; height: 46px; border-radius: 13px; flex: none; display: grid; place-items: center;
  font-size: 23px; background: var(--surface-2); color: var(--ink-2);
  transition: background .22s, color .22s, transform .22s;
}
.sol-rail-btn .txt { display: flex; flex-direction: column; gap: 2px; min-width: 0; }
.sol-rail-btn .txt b { font-size: 15px; font-weight: 600; color: var(--ink); }
.sol-rail-btn .txt span { font-size: 12px; color: var(--ink-3); }
.sol-rail-btn .chev { margin-inline-start: auto; font-size: 18px; color: var(--ink-3); opacity: 0; transition: opacity .2s, transform .2s; }
.sol-rail-btn:hover .chev { opacity: .7; }
.sol-rail-btn.on {
  background: var(--card); border-color: color-mix(in srgb, var(--brand-primary) 50%, transparent);
  box-shadow: 0 12px 30px color-mix(in srgb, var(--brand-primary) 16%, transparent);
}
.sol-rail-btn.on::before {
  content: ""; position: absolute; right: -1px; top: 16%; height: 68%; width: 4px; border-radius: 4px;
  background: var(--brand-gradient);
}
.sol-rail-btn.on .ico { background: var(--brand-gradient); color: #fff; transform: scale(1.05); }
.sol-rail-btn.on .chev { opacity: 1; color: var(--brand-primary); }

.sol-stage { min-width: 0; }
.sol-stage-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 16px; margin-bottom: 16px; padding: 4px 4px 0; }
.sol-stage-head h3 { margin: 0 0 4px; font-size: 19px; font-weight: 600; color: var(--ink); }
.sol-stage-head .intro { margin: 0; font-size: 13px; color: var(--ink-3); line-height: 1.6; }
.sol-stage-head .count {
  flex: none; font-family: var(--font-mono); font-size: 12px; color: var(--brand-primary-dark);
  background: var(--brand-primary-50); border: 1px solid color-mix(in srgb, var(--brand-primary) 22%, transparent);
  border-radius: 100px; padding: 6px 12px; white-space: nowrap;
}
[data-theme="dark"] .sol-stage-head .count { color: color-mix(in srgb, var(--brand-primary) 72%, #fff); background: color-mix(in srgb, var(--brand-primary) 16%, transparent); }

.sol-cards { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; animation: sol-fade .34s var(--ease-out); }
@keyframes sol-fade { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: none; } }

.sol-card2 {
  position: relative; display: flex; flex-direction: column; gap: 9px;
  background: var(--card); border: 1px solid var(--hairline); border-radius: 16px;
  padding: 20px 20px 18px; text-decoration: none;
  transition: transform .24s var(--ease-out), box-shadow .24s, border-color .24s;
}
.sol-card2:hover { transform: translateY(-3px); border-color: var(--hairline-2); box-shadow: 0 18px 40px rgba(11,18,32,.10); }
[data-theme="dark"] .sol-card2:hover { box-shadow: 0 18px 40px rgba(0,0,0,.4); }
.sol-card2 .c-top { display: flex; align-items: center; gap: 12px; }
.sol-card2 .c-ico {
  width: 44px; height: 44px; border-radius: 12px; flex: none; display: grid; place-items: center;
  background: var(--brand-primary-50); color: var(--brand-primary-dark); font-size: 22px;
  transition: transform .24s;
}
[data-theme="dark"] .sol-card2 .c-ico { background: color-mix(in srgb, var(--brand-primary) 16%, transparent); color: color-mix(in srgb, var(--brand-primary) 70%, #fff); }
.sol-card2:hover .c-ico { transform: scale(1.08) rotate(-3deg); }
.sol-card2 h4 { margin: 0; font-size: 15.5px; font-weight: 600; color: var(--ink); line-height: 1.4; }
.sol-card2 p { margin: 0; font-size: 12.8px; line-height: 1.75; color: var(--ink-3); }
.sol-card2 .c-cta {
  margin-top: auto; display: inline-flex; align-items: center; gap: 6px; padding-top: 4px;
  font-size: 12.5px; font-weight: 600; color: var(--brand-primary-dark);
}
[data-theme="dark"] .sol-card2 .c-cta { color: color-mix(in srgb, var(--brand-primary) 72%, #fff); }
.sol-card2 .c-cta i { font-size: 15px; transition: transform .2s; }
.sol-card2:hover .c-cta i { transform: translateX(-4px); }

.sol-card2.feat {
  grid-column: 1 / -1; flex-direction: row; align-items: center; gap: 20px;
  background: linear-gradient(120deg, color-mix(in srgb, var(--brand-primary) 12%, var(--card)), var(--card) 60%);
  border-color: color-mix(in srgb, var(--brand-primary) 36%, transparent);
}
.sol-card2.feat .c-ico { width: 54px; height: 54px; font-size: 27px; background: var(--brand-gradient); color: #fff; }
.sol-card2.feat .feat-main { display: flex; flex-direction: column; gap: 6px; flex: 1; min-width: 0; }
.sol-card2.feat .feat-badge {
  align-self: flex-start; font-size: 11px; font-weight: 600; color: #fff;
  background: var(--brand-gradient); border-radius: 100px; padding: 3px 11px; margin-bottom: 2px;
}
.sol-card2.feat .feat-tags { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 4px; }
.sol-card2.feat .feat-tags .tag {
  font-size: 11px; color: var(--ink-2); background: var(--surface-2);
  border: 1px solid var(--hairline); border-radius: 7px; padding: 4px 9px;
}
.sol-card2.feat .c-cta { margin: 0; flex: none; }

@media (max-width: 960px){
  .sol-explorer { grid-template-columns: 1fr; }
  .sol-rail { flex-direction: row; overflow-x: auto; gap: 8px; padding-bottom: 4px; scrollbar-width: thin; }
  .sol-rail-btn { flex: 1 0 auto; min-width: 200px; }
  .sol-rail-btn.on::before { right: 12%; top: auto; bottom: -1px; width: 68%; height: 4px; }
  .sol-rail-btn .chev { display: none; }
}
@media (max-width: 600px){
  .sol-cards { grid-template-columns: 1fr; }
  .sol-card2.feat { flex-direction: column; align-items: flex-start; }
  .sol-card2.feat .c-cta { margin-top: 4px; }
  .sol-stage-head { flex-direction: column; align-items: flex-start; gap: 8px; }
}