.foundations{margin-bottom:54px}
.foundations-heading{display:flex;align-items:flex-start;justify-content:space-between;gap:45px;margin-bottom:30px}
.foundations-heading h3{font-size:23px;line-height:1.3;letter-spacing:-.65px}
.foundations-heading>p{max-width:355px;font-size:12px;line-height:1.8;color:var(--secondary)}
.foundations-grid{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.foundations-grid article{padding:24px 24px 25px 0;min-width:0}
.foundations-grid article+article{padding-left:25px;border-left:1px solid var(--line)}
.foundations-grid article>span{font:10px var(--mono);color:#85857d}
.foundations-grid h4{margin:18px 0 10px;font-size:15px;font-weight:500;line-height:1.4;letter-spacing:-.2px}
.foundations-grid p{font-size:12px;color:var(--secondary);line-height:1.8}
.ai-method{margin-top:56px;background:var(--soft);padding:34px;border:1px solid var(--line);border-radius:5px}
.ai-method-heading{display:grid;grid-template-columns:1fr 1fr;gap:12px 70px;margin-bottom:28px}
.ai-method-heading>.eyebrow{grid-column:1/-1;font:10px var(--mono);letter-spacing:.6px;margin-bottom:5px}
.ai-method-heading h3{font-size:24px;line-height:1.3;letter-spacing:-.6px}
.ai-method-heading>p:not(.eyebrow){font-size:12px;color:var(--secondary);line-height:1.85;max-width:360px;align-self:end}
.ai-roles{display:grid;grid-template-columns:repeat(3,1fr);gap:34px;border-top:1px solid #dcdcd5;padding-top:22px}
.ai-roles article>span{font-size:13px;line-height:1.6;font-weight:500}
.ai-roles p{font-size:12px;line-height:1.85;color:var(--secondary);margin-top:9px}
.method-example{margin-top:28px;border-top:1px solid #dcdcd5}
.method-example summary{list-style:none;display:flex;justify-content:space-between;gap:15px;cursor:pointer;padding:20px 0 0;font-size:12px}
.method-example summary::-webkit-details-marker{display:none}
.method-example summary:focus-visible{outline:2px solid var(--ink);outline-offset:5px}
.details-plus{font-size:19px;line-height:1;transition:transform .2s}
.method-example[open] .details-plus{transform:rotate(45deg)}
.method-example-content{display:grid;grid-template-columns:1.3fr .7fr;gap:70px;padding-top:25px}
.example-date{font:9px var(--mono);color:#85857d;margin-bottom:16px}
.method-example h4{margin:0 0 12px;font-size:17px;line-height:1.4;letter-spacing:-.3px;font-weight:500}
.method-example-content p:not(.example-date){font-size:12px;line-height:1.9;color:var(--secondary);margin-top:10px}
.method-reading h4{font-size:13px}
.method-reading a{display:flex;align-items:center;justify-content:space-between;gap:20px;border-bottom:1px solid #dcdcd5;padding:9px 0;font-size:12px}
.method-reading a:hover{text-decoration:underline;text-underline-offset:4px}
.method-reading p{font-size:11px!important}
@media(max-width:1100px){.foundations-heading{gap:35px}.foundations-grid article{padding-right:18px}.foundations-grid article+article{padding-left:18px}.ai-method-heading{gap:12px 40px}.ai-roles{gap:25px}.method-example-content{gap:40px}}
@media(max-width:800px){.foundations-heading{flex-direction:column;gap:17px}.foundations-heading>p{max-width:540px}.foundations-grid{grid-template-columns:repeat(2,1fr)}.foundations-grid article:nth-child(3){border-left:0;padding-left:0;border-top:1px solid var(--line)}.foundations-grid article:nth-child(4){border-top:1px solid var(--line)}.ai-method{padding:27px}.ai-method-heading{grid-template-columns:1fr;gap:15px}.ai-roles{gap:20px}.method-example-content{grid-template-columns:1fr;gap:28px}.method-reading{max-width:350px}}
@media(max-width:560px){.foundations{margin-bottom:35px}.foundations-heading{margin-bottom:24px}.foundations-heading h3{font-size:22px}.foundations-grid article{padding-top:21px;padding-bottom:21px}.foundations-grid article>span{font-size:9px}.foundations-grid h4{font-size:14px;margin-top:13px}.foundations-grid p{font-size:11px;line-height:1.85}.ai-method{padding:23px 21px;margin-top:35px}.ai-method-heading h3{font-size:22px}.ai-roles{grid-template-columns:1fr;gap:20px}.ai-roles p{margin-top:5px}.method-example summary{font-size:12px}.method-example-content{padding-top:22px}}
/* Give each scene a quiet frame without enlarging its geometry to fill every gap. */
.tool-art{height:250px}
@media(max-width:1100px){.tool-art{height:225px}}
@media(max-width:800px) and (min-width:561px){.tool-grid{grid-template-columns:1fr}.tool{display:grid;grid-template-columns:230px 1fr;column-gap:28px}.tool-art{grid-row:1/5;height:220px;margin:0}.tool-number{margin-top:8px}.tool h3{font-size:23px}.tool .text-link{align-self:start}}
@media(max-width:560px){.tool-art{height:250px}}