/* Approved open-column challenge section: all three points visible. */
.problem-story{background:#fff;padding-block:var(--section);margin-top:64px}
.challenge-heading{margin-bottom:52px}
.challenge-heading h2{max-width:760px}
.challenge-columns{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:0}
.challenge-columns article{min-width:0;padding:0 32px;text-align:right}
.challenge-columns article:first-child{padding-inline-start:0}
.challenge-columns article:last-child{padding-inline-end:0}
.challenge-columns article+article{border-inline-start:1px solid #dce5ef}
.challenge-visual{height:300px;display:flex;align-items:center;justify-content:center;margin-bottom:28px}
.challenge-visual img{width:100%;max-width:360px;height:auto}
.challenge-columns h3{font-size:21px;font-weight:700;line-height:1.5;letter-spacing:-.015em;margin:0 0 14px}
.challenge-columns p{font-size:17px;line-height:1.85;color:#405777;max-width:32ch}
@media(min-width:761px) and (max-width:1100px){.challenge-columns article{padding-inline:20px}.challenge-columns h3{font-size:18px}.challenge-columns p{font-size:15px}.challenge-visual{height:245px}}
@media(max-width:760px){.challenge-heading{margin-bottom:36px}.challenge-columns{grid-template-columns:1fr;gap:36px}.challenge-columns article,.challenge-columns article:first-child,.challenge-columns article:last-child{padding:0 0 36px}.challenge-columns article+article{border-inline-start:0}.challenge-columns article:not(:last-child){border-bottom:1px solid #dce5ef}.challenge-columns article:last-child{padding-bottom:0}.challenge-visual{height:auto;margin-bottom:24px}.challenge-visual img{max-width:330px}.challenge-columns h3{font-size:21px}.challenge-columns p{font-size:16px;max-width:36ch}}
.challenge-heading h2{font-size:clamp(32px,3.05vw,44px);font-weight:700;line-height:1.32;letter-spacing:-.025em}
.challenge-heading h2 span{color:#627c9d}
@media(max-width:760px){.challenge-heading h2{font-size:32px}}
@media(max-width:360px){.challenge-heading h2{font-size:30px}}

@media(max-width:760px){.problem-story{margin-top:32px}}