:root{color-scheme:light;--bg: #f7f5f0;--panel: #ffffff;--ink: #17223f;--muted: #667087;--line: #ded8cc;--accent: #24386b;--accent-dark: #17264f;--soft: #ece7dd;--max: 1120px;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font-size:16px;line-height:1.6}a{color:inherit;text-decoration:none}p{margin:0 0 1rem}.site-header{align-items:center;border-bottom:1px solid var(--line);display:flex;justify-content:space-between;margin:0 auto;max-width:var(--max);padding:26px 24px}.brand{align-items:center;display:inline-flex;gap:14px;font-size:1.28rem;font-weight:800;letter-spacing:.01em}.logo-frame{align-items:center;display:inline-flex;height:44px;justify-content:center;width:44px}.brand img{display:block;height:auto;width:100%}.site-nav{display:flex;gap:28px;color:var(--ink);font-size:1.04rem;font-weight:700}.site-nav a:hover,.footer-links a:hover{color:var(--accent-dark)}.hero{align-items:center;display:grid;gap:44px;grid-template-columns:minmax(0,1.28fr) minmax(300px,.72fr);margin:0 auto;max-width:var(--max);padding:54px 24px 62px}.eyebrow{color:var(--accent);font-size:.78rem;font-weight:800;letter-spacing:.08em;margin-bottom:18px;text-transform:uppercase}h1,h2,h3{line-height:1.08;margin:0}h1{font-family:Georgia,Times New Roman,serif;font-size:clamp(2.85rem,5.2vw,4.85rem);font-weight:500;max-width:840px}h2{font-family:Georgia,Times New Roman,serif;font-size:clamp(2rem,4vw,3.6rem);font-weight:500}h3{font-size:1.1rem}.lead{color:var(--muted);font-size:clamp(1.08rem,1.6vw,1.26rem);margin-top:20px;max-width:720px}.hero-panel{background:var(--accent);color:#fff;min-height:330px;padding:32px}.hero-logo-frame{align-items:center;background:#fff;border-radius:999px;display:flex;height:82px;justify-content:center;margin-bottom:56px;padding:10px;width:82px}.hero-logo-frame img{display:block;height:auto;width:100%}.hero-panel strong{display:block;font-size:3.2rem;line-height:1;margin-bottom:10px}.hero-panel p{color:#ffffffd1;font-size:1.06rem}.button-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}.button{align-items:center;background:var(--accent);color:#fff;display:inline-flex;font-weight:750;justify-content:center;min-height:46px;padding:0 18px}.button.secondary{background:transparent;border:1px solid var(--line);color:var(--ink)}.section{margin:0 auto;max-width:var(--max);padding:70px 24px}.section-header{align-items:end;display:flex;gap:24px;justify-content:space-between;margin-bottom:28px}.section-header p{color:var(--muted);max-width:520px}.case-grid{display:grid;gap:18px;grid-template-columns:repeat(3,minmax(0,1fr))}.case-card{background:var(--panel);border:1px solid var(--line);display:flex;flex-direction:column;min-height:420px;overflow:hidden}.case-card>:not(.case-visual){margin-left:24px;margin-right:24px}.case-card .metric{margin-bottom:24px}.case-card:hover{border-color:var(--accent)}.case-meta{color:var(--accent);font-size:.78rem;font-weight:800;letter-spacing:.06em;margin-bottom:18px;margin-top:24px;text-transform:uppercase}.case-visual{aspect-ratio:16 / 9;background:var(--soft);border-bottom:1px solid var(--line);overflow:hidden}.case-visual img{display:block;height:100%;object-fit:cover;width:100%}.case-visual img[src="/ota-logo.png"]{background:var(--soft);object-fit:contain;padding:46px}.case-visual-fallback{align-items:center;background:linear-gradient(135deg,#24386b29,#ffffffc7),var(--soft);display:flex;height:100%;justify-content:center}.case-visual-fallback img{height:34%;object-fit:contain;opacity:.24;width:auto}.case-card:nth-child(2n) .case-visual-fallback{background:linear-gradient(135deg,#17223f33,#ffffffb8),var(--bg)}.case-card:nth-child(3n) .case-visual-fallback{background:linear-gradient(135deg,#24386b14,#24386b33),var(--panel)}.case-card p,.article-card p,.body-copy,.stat p{color:var(--muted)}.metric{border-top:1px solid var(--line);color:var(--accent);font-size:1.08rem;font-weight:850;line-height:1.25;margin-top:auto;padding-top:18px}.stats{display:grid;gap:18px;grid-template-columns:repeat(3,minmax(0,1fr))}.stat{border-top:2px solid var(--accent);padding-top:20px}.stat strong{display:block;font-family:Georgia,Times New Roman,serif;font-size:2.6rem;font-weight:500;line-height:1}.band{background:var(--soft)}.split{display:grid;gap:44px;grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr)}.about-profile{align-items:start;display:grid;gap:44px;grid-template-columns:minmax(260px,.42fr) minmax(0,.58fr)}.profile-photo{background:var(--soft);border:1px solid var(--line);margin:0;overflow:hidden}.profile-photo img{aspect-ratio:4 / 5;display:block;height:auto;object-fit:cover;object-position:50% 28%;width:100%}.principles{display:grid;gap:14px}.principle{background:var(--panel);border-left:4px solid var(--accent);padding:20px}.credential-grid{display:grid;gap:18px;grid-template-columns:repeat(3,minmax(0,1fr))}.credential-card{background:var(--panel);border:1px solid var(--line);padding:24px}.credential-card p{color:var(--muted)}.article-list{display:grid;gap:16px}.article-card{background:var(--panel);border:1px solid var(--line);display:grid;gap:10px;padding:22px}.contact-panel{background:var(--panel);border:1px solid var(--line);display:grid;gap:36px;grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);padding:32px}.contact-list{display:grid;gap:14px;grid-template-columns:repeat(2,minmax(0,1fr))}.contact-list p{color:var(--muted);margin:0}.contact-list strong{color:var(--ink)}.contact-action{align-self:end}.cta-panel{align-items:center;background:var(--accent);color:#fff;display:grid;gap:28px;grid-template-columns:minmax(0,1fr) auto;padding:34px}.cta-panel p{color:#ffffffc7;margin:16px 0 0;max-width:680px}.cta-panel .eyebrow,.cta-panel h2{color:#fff}.cta-panel .button{background:#fff;color:var(--accent)}.page-intro{margin:0 auto;max-width:var(--max);padding:70px 24px 30px}.page-intro h1{font-size:clamp(2.6rem,5vw,4.8rem)}.case-detail{display:grid;gap:42px;grid-template-columns:minmax(0,.72fr) minmax(280px,.28fr);margin:0 auto;max-width:var(--max);padding:40px 24px 80px}.content-body{font-size:1.08rem}.content-image{margin:0 0 34px}.content-image img{display:block;height:auto;width:100%}.content-image img[src="/ota-logo.png"]{background:var(--soft);border:1px solid var(--line);height:clamp(180px,26vw,280px);object-fit:contain;padding:58px}.case-summary{background:var(--panel);border:1px solid var(--line);margin-bottom:34px;padding:24px}.case-summary ul{color:var(--muted);margin:0;padding-left:1.1rem}.case-summary li+li{margin-top:10px}.content-body h2,.content-body h3{margin:2rem 0 1rem}.sidebar-box{background:var(--panel);border:1px solid var(--line);padding:22px;position:sticky;top:24px}.sidebar-cta{margin-top:8px;width:100%}.video-frame{aspect-ratio:16 / 9;background:#111;margin:28px 0;overflow:hidden}.video-frame iframe{border:0;height:100%;width:100%}.site-footer{align-items:center;border-top:1px solid var(--line);color:var(--muted);display:flex;justify-content:space-between;margin:0 auto;max-width:var(--max);padding:34px 24px}.footer-links{display:flex;gap:18px}@media(max-width:820px){.site-header,.site-footer,.section-header{align-items:flex-start;flex-direction:column}.hero,.split,.about-profile,.case-detail,.contact-panel,.cta-panel,.case-grid,.stats,.contact-list,.credential-grid{grid-template-columns:1fr}.site-nav{flex-wrap:wrap}.profile-photo img{aspect-ratio:4 / 4.6}}