.reading-progress{position:fixed;z-index:60;left:0;right:0;top:0;height:3px;background:transparent}.reading-progress span{display:block;width:0;height:100%;background:linear-gradient(90deg,var(--cyan),var(--violet))}.section-head{display:flex;align-items:end;justify-content:space-between;gap:30px;margin-bottom:30px}.section-head>p{color:var(--muted);max-width:420px}.section-interactive{background:radial-gradient(circle at 20% 20%,rgba(53,216,255,.09),transparent 38%),var(--panel)}.tabs{border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:rgba(4,12,24,.55);box-shadow:var(--shadow)}.tab-list{display:flex;gap:8px;padding:10px;border-bottom:1px solid var(--line);overflow:auto}.tab-list button,.filter-list button,.criteria button,.step-buttons button{border:1px solid transparent;background:transparent;color:var(--muted);font:inherit;font-weight:800;padding:11px 16px;border-radius:12px;cursor:pointer;white-space:nowrap}.tab-list button.active,.filter-list button.active,.criteria button.active,.step-buttons button.active{background:rgba(53,216,255,.13);border-color:rgba(53,216,255,.28);color:var(--cyan)}.tab-panel{display:none;padding:32px}.tab-panel.active{display:block;animation:rise .28s ease}.tab-panel h3{font-size:1.55rem;margin:0 0 10px}.tab-panel p{margin:0;color:#c1ccdd;max-width:850px}@keyframes rise{from{opacity:0;transform:translateY(5px)}to{opacity:1;transform:none}}.visual-section{padding-block:56px}.visual-grid,.service-grid{display:grid;grid-template-columns:1.25fr .75fr;gap:48px;align-items:center}.service-grid{grid-template-columns:1fr 1fr}.content-figure{margin:0;position:relative;border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);background:var(--panel);box-shadow:var(--shadow);cursor:zoom-in}.content-figure img{width:100%;aspect-ratio:3/2;object-fit:cover;transition:transform .5s ease}.content-figure:hover img{transform:scale(1.025)}.content-figure figcaption{position:absolute;left:14px;right:14px;bottom:14px;padding:10px 13px;border:1px solid rgba(255,255,255,.14);border-radius:12px;background:rgba(5,12,23,.78);backdrop-filter:blur(10px);color:#dbe4f2;font-size:.82rem}.fact-stack{display:grid;gap:10px}.fact-stack div{display:flex;justify-content:space-between;gap:20px;padding:15px 0;border-bottom:1px solid var(--line)}.fact-stack span{color:var(--muted)}.fact-stack strong{text-align:right}.section-tool{background:linear-gradient(135deg,rgba(53,216,255,.06),rgba(137,105,255,.07));border-block:1px solid var(--line)}.tool-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:60px;align-items:start}.calculator{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;background:var(--panel);padding:24px;border:1px solid var(--line);border-radius:var(--radius)}.calculator label{display:grid;gap:8px;color:var(--muted);font-size:.86rem;font-weight:800}.calculator input[type=number]{width:100%;background:#071120;color:white;border:1px solid var(--line);border-radius:12px;padding:13px;font:inherit}.calculator .switchline{grid-column:1/-1;display:flex;align-items:center}.calc-result{grid-column:1/-1;display:flex;align-items:end;justify-content:space-between;gap:20px;padding-top:18px;border-top:1px solid var(--line)}.calc-result span{color:var(--muted)}.calc-result strong{font-size:clamp(1.8rem,4vw,3rem);color:var(--cyan)}.filter-list{display:flex;gap:8px;margin-bottom:22px;overflow:auto}.mini-cards{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.mini-cards article{padding:22px;background:var(--panel);border:1px solid var(--line);border-radius:18px}.mini-cards article[hidden]{display:none}.mini-cards span{color:var(--cyan);font-size:1.8rem}.mini-cards h3{margin:12px 0 7px}.mini-cards p{color:var(--muted);margin:0;font-size:.9rem}.stepper{display:grid;grid-template-columns:.8fr 1.2fr;gap:24px}.step-buttons{display:grid;gap:10px}.step-buttons button{text-align:left;background:var(--panel);border-color:var(--line)}.step-panel{min-height:180px;padding:30px;background:var(--panel);border:1px solid var(--line);border-radius:var(--radius)}.step-panel strong{font-size:1.45rem}.step-panel p{color:var(--muted)}.timeline{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}.timeline button{display:grid;gap:8px;text-align:left;padding:22px;background:var(--panel);color:white;border:1px solid var(--line);border-radius:18px;font:inherit;font-weight:900}.timeline button span{display:grid;place-items:center;width:34px;height:34px;border-radius:50%;background:rgba(53,216,255,.12);color:var(--cyan)}.timeline small{color:var(--muted);font-weight:600}.criteria{display:grid;grid-template-columns:repeat(4,1fr);gap:10px}.criteria button{background:var(--panel);border-color:var(--line)}.criteria p{grid-column:1/-1;background:var(--panel);border:1px solid var(--line);border-radius:18px;padding:24px;margin:8px 0 0}.checklist-wrap{align-items:center}.progress-label{display:flex;justify-content:space-between;margin-top:28px}.meter{height:10px;background:var(--panel);border-radius:99px;overflow:hidden;margin-top:8px}.meter span{display:block;width:0;height:100%;background:linear-gradient(90deg,var(--cyan),var(--violet));transition:width .3s}.checklist{display:grid;gap:10px}.checklist label{display:flex;gap:12px;align-items:flex-start;padding:16px;background:var(--panel);border:1px solid var(--line);border-radius:15px;cursor:pointer}.checklist label:has(input:checked){border-color:rgba(53,216,255,.45);background:rgba(53,216,255,.07)}.checklist input{width:20px;height:20px;accent-color:var(--cyan)}.service-hero{padding-bottom:80px}.to-top{position:fixed;z-index:35;right:20px;bottom:20px;width:48px;height:48px;border:1px solid var(--line);border-radius:50%;background:#101f35;color:white;font-size:1.3rem;box-shadow:var(--shadow);cursor:pointer;opacity:0;pointer-events:none;transform:translateY(8px);transition:.25s}.to-top.show{opacity:1;pointer-events:auto;transform:none}.lightbox{width:min(1050px,calc(100% - 28px));padding:0;border:1px solid var(--line);border-radius:20px;background:#050c17;color:white;box-shadow:0 30px 100px rgba(0,0,0,.7)}.lightbox::backdrop{background:rgba(0,0,0,.82);backdrop-filter:blur(6px)}.lightbox img{width:100%;max-height:78vh;object-fit:contain}.lightbox p{padding:0 20px 18px;color:var(--muted)}.lightbox-close{position:absolute;right:12px;top:12px;width:42px;height:42px;border:1px solid rgba(255,255,255,.2);border-radius:50%;background:rgba(0,0,0,.65);color:white;font-size:1.5rem;cursor:pointer}
@media(max-width:900px){.section-head{align-items:start;flex-direction:column}.visual-grid,.service-grid,.tool-grid,.stepper{grid-template-columns:1fr}.mini-cards{grid-template-columns:1fr 1fr}.timeline{grid-template-columns:1fr 1fr}.criteria{grid-template-columns:1fr 1fr}.service-hero{padding-top:100px}.service-grid .content-figure{order:-1}}
@media(max-width:600px){.tab-panel{padding:22px}.calculator{grid-template-columns:1fr}.timeline,.criteria,.mini-cards{grid-template-columns:1fr}.criteria p{grid-column:auto}.fact-stack div{display:grid;gap:2px}.fact-stack strong{text-align:left}.to-top{bottom:82px}.lightbox{border-radius:14px}}
.timeline button{cursor:pointer}.timeline button.active{border-color:rgba(53,216,255,.5);transform:translateY(-3px);box-shadow:0 15px 35px rgba(0,0,0,.22)}