:root{--sigma-ink:#f5f5f7;--sigma-muted:#86868b;--sigma-tile:#1d1d1f;--sigma-graphite:#161617;--sigma-blue:#0071e3;--sigma-link:#2997ff;--sigma-radius:28px;--sigma-ease:cubic-bezier(0.16,0.84,0.24,1);--sigma-wrap:1440px}.sigma-section{padding:clamp(72px,9vw,150px) 0;background:#000;color:var(--sigma-ink)}.sigma-section--graphite{background:var(--sigma-graphite)}.sigma-section--first{padding-top:clamp(40px,5vw,64px)}.sigma-wrap{width:min(100% - 2.5rem,var(--sigma-wrap));margin-inline:auto}.sigma-chapter-head{max-width:1120px;margin:0 auto clamp(2.5rem,5vw,4.5rem);text-align:center}.sigma-chapter-head--last{margin-bottom:0}.sigma-headline{margin:0 0 0.45em;color:var(--sigma-ink);font-size:clamp(2.35rem,5vw,4.6rem);font-weight:700;line-height:1.07;letter-spacing:-0.035em}.sigma-intro{max-width:880px;margin:0 auto;color:var(--sigma-muted);font-size:clamp(1.0625rem,1.45vw,1.3125rem);line-height:1.5}.sigma-intro + .sigma-intro{margin-top:1.1em}.sigma-intro a{color:var(--sigma-link);text-decoration:none}.sigma-intro a:hover{text-decoration:underline}.sigma-section .white{color:var(--sigma-ink)}.sigma-btn{display:inline-block;margin:0;padding:0.85rem 1.9rem;border:0;border-radius:980px;background:var(--sigma-blue);color:#fff;font-family:inherit;font-size:1.0625rem;font-weight:400;line-height:1.2;text-align:center;text-decoration:none;cursor:pointer;transition:background-color 0.2s ease,border-color 0.2s ease}.sigma-btn:hover,.sigma-btn:focus-visible{background:#0077ed;color:#fff}.sigma-form-card{max-width:820px;margin:0 auto;padding:clamp(1.25rem,3vw,2.5rem);border-radius:var(--sigma-radius);background:#fff;color:#1d1d1f}.sp-hero--light{background:linear-gradient(180deg,#ffffff 0%,#f5f7fa 100%);color:#1d1d1f}.sp-welcome{display:flex;flex-direction:column;align-items:center;text-align:center;max-width:860px;margin:0 auto}.sp-welcome .sigma-headline{color:#1d1d1f;margin:0.35em 0 0.3em}.sp-welcome .sigma-intro{color:#515154;max-width:64ch;margin:0 auto}.sp-faces--top{justify-content:center}.sp-faces--top img{width:88px;height:88px;border:4px solid #fff;margin-left:-18px;box-shadow:0 6px 18px rgba(0,0,0,0.12);background:#e9e9ee}.sp-faces--top img:first-child{margin-left:0}.sp-welcome-line{margin:14px 0 4px;color:#6e6e73;font-size:15px;line-height:1.5}.sp-welcome-line strong{color:#1d1d1f;font-weight:600;font-size:16px}.sp-welcome .sp-online{margin-left:6px;color:#1d7a3a;font-weight:500}.sp-welcome .sp-ask{width:100%;max-width:640px;margin-top:1.5rem;background:#fff;border:1px solid #d2d2d7;box-shadow:0 10px 30px rgba(0,0,0,0.06)}.sp-welcome .sp-ask:focus-within{border-color:var(--sigma-blue);box-shadow:0 0 0 4px rgba(0,113,227,0.14),0 10px 30px rgba(0,0,0,0.06)}.sp-welcome .sp-ask input{color:#1d1d1f}.sp-welcome .sp-ask input::placeholder{color:#86868b}.sp-welcome .sp-chips{justify-content:center}.sp-welcome .sp-chip{background:#f0f0f3;border-color:#e3e3e8;color:#1d1d1f}.sp-welcome .sp-chip:hover,.sp-welcome .sp-chip:focus-visible{background:#e6e6eb;border-color:#d2d2d7}.sp-welcome .sp-chip--accent{background:rgba(0,113,227,0.1);border-color:rgba(0,113,227,0.3);color:#0a5fc0}.sp-welcome .sp-chip--accent:hover,.sp-welcome .sp-chip--accent:focus-visible{background:rgba(0,113,227,0.18)}.sp-reach{margin:18px 0 0;color:#6e6e73;font-size:14.5px}.sp-reach a{color:#0a5fc0;font-weight:600;text-decoration:none}.sp-hero{display:grid;grid-template-columns:minmax(0,1.35fr) minmax(260px,0.75fr);gap:clamp(1.5rem,4vw,3.5rem);align-items:center}.sp-hero .sigma-chapter-head{margin-bottom:0;text-align:left}.sp-hero .sigma-headline,.sp-hero .sigma-intro{margin-left:0}.sp-ask{display:flex;align-items:center;gap:6px;margin-top:1.5rem;padding:6px 6px 6px 18px;border-radius:999px;background:rgba(255,255,255,0.07);border:1px solid rgba(255,255,255,0.14);transition:border-color 0.2s,box-shadow 0.2s}.sp-ask:focus-within{border-color:var(--sigma-link);box-shadow:0 0 0 4px rgba(41,151,255,0.15)}.sp-ask input{flex:1;min-width:0;margin:0;padding:10px 0;border:none;background:transparent;color:var(--sigma-ink);font-size:16px;outline:none;box-shadow:none}.sp-ask input::placeholder{color:var(--sigma-muted)}.sp-ask .sigma-btn{margin:0;flex:none}.sp-chips{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}.sp-chip{appearance:none;border:1px solid rgba(255,255,255,0.16);background:rgba(255,255,255,0.05);color:var(--sigma-ink);border-radius:999px;padding:8px 14px;font:inherit;font-size:14px;line-height:1.2;cursor:pointer;transition:background 0.2s,border-color 0.2s}.sp-chip:hover,.sp-chip:focus-visible{background:rgba(255,255,255,0.1);border-color:rgba(255,255,255,0.3)}.sp-experts{display:flex;flex-direction:column;align-items:center;gap:14px;text-align:center;padding:1.75rem 1.25rem;border-radius:24px;background:rgba(255,255,255,0.06);border:1px solid rgba(255,255,255,0.1)}.sp-faces{display:flex}.sp-faces img{width:76px;height:76px;border-radius:50%;object-fit:cover;object-position:50% 28%;border:3px solid #2a2a2e;margin-left:-16px;background:#2a2a2d}.sp-faces img:first-child{margin-left:0}.sp-experts p{margin:0;color:var(--sigma-muted);font-size:15px;line-height:1.5}.sp-experts strong{color:var(--sigma-ink);font-weight:600}.sp-online{display:inline-flex;align-items:center;gap:7px;font-size:13px;color:var(--sigma-muted)}.sp-online::before{content:"";width:8px;height:8px;border-radius:50%;background:#30d158;box-shadow:0 0 0 3px rgba(48,209,88,0.2)}.sp-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:14px;margin-top:1.5rem}.sp-tile{appearance:none;display:flex;flex-direction:column;align-items:flex-start;gap:12px;padding:22px 20px;border-radius:20px;background:var(--sigma-tile);border:1px solid rgba(255,255,255,0.08);color:var(--sigma-ink);font:inherit;text-align:left;cursor:pointer;transition:transform 0.45s var(--sigma-ease),border-color 0.2s,background 0.2s}.sp-tile:hover,.sp-tile:focus-visible{transform:translateY(-2px);background:#232326;border-color:rgba(41,151,255,0.45);outline:none}.sp-tile[aria-expanded="true"]{border-color:var(--sigma-link);background:#232326}@media screen and (min-width:48em){.sp-grid--3{grid-template-columns:repeat(3,minmax(0,1fr))}}.sp-tile--featured{grid-column:1 / -1;flex-direction:row;align-items:center;gap:20px;padding:24px 26px;background:linear-gradient(135deg,rgba(41,151,255,0.22),rgba(41,151,255,0.06) 55%,var(--sigma-tile));border-color:rgba(41,151,255,0.35)}.sp-tile--featured .sp-ico{width:52px;height:52px;border-radius:15px}.sp-tile--featured .sp-ico svg{width:28px;height:28px}.sp-featured-copy{display:flex;flex-direction:column;gap:6px;flex:1;min-width:0}.sp-tile--featured h3{font-size:22px}.sp-tile--featured p{font-size:15px;max-width:62ch}.sp-tile--featured .sp-cta{flex:none;padding:11px 18px;border-radius:999px;background:var(--sigma-blue);color:#fff;font-size:14.5px;font-weight:600;white-space:nowrap}.sp-grid-label{margin:30px 0 10px;color:var(--sigma-muted);font-size:12.5px;font-weight:600;letter-spacing:0.08em;text-transform:uppercase}.sp-grid--secondary{margin-top:0}.sp-grid--secondary .sp-tile{padding:18px 18px}.sp-grid--secondary .sp-tile h3{font-size:16px}.sp-grid--secondary .sp-ico{width:38px;height:38px;border-radius:11px}.sp-grid--secondary .sp-ico svg{width:21px;height:21px}.sp-chip--accent{background:rgba(41,151,255,0.16);border-color:rgba(41,151,255,0.45);color:#bcdcff}.sp-chip--accent:hover,.sp-chip--accent:focus-visible{background:rgba(41,151,255,0.26)}.sp-chip--quiet{opacity:0.75}.sp-ico{width:44px;height:44px;border-radius:13px;display:grid;place-items:center;background:rgba(41,151,255,0.12);color:var(--sigma-link);flex:none}.sp-ico svg{width:24px;height:24px;fill:none;stroke:currentColor;stroke-width:1.75;stroke-linecap:round;stroke-linejoin:round}.sp-tile h3{margin:0;font-size:17px;font-weight:600;line-height:1.25;color:var(--sigma-ink)}.sp-tile p{margin:0;font-size:14px;line-height:1.45;color:var(--sigma-muted)}.sp-panel{scroll-margin-top:84px;margin-top:18px;padding:24px clamp(18px,3vw,34px) 28px;border-radius:24px;background:var(--sigma-tile);border:1px solid rgba(255,255,255,0.08);animation:sp-rise 0.4s var(--sigma-ease)}.sp-panel[hidden]{display:none}@keyframes sp-rise{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:none}}.sp-panel-head{display:flex;align-items:center;justify-content:space-between;gap:14px;margin-bottom:6px}.sp-panel-head h2{margin:0;font-size:clamp(1.35rem,2.2vw,1.7rem);font-weight:600;letter-spacing:-0.01em;color:var(--sigma-ink);display:flex;align-items:center;gap:12px}.sp-panel-head h2 .sp-ico{width:38px;height:38px;border-radius:11px}.sp-panel-head h2 .sp-ico svg{width:21px;height:21px}.sp-close{appearance:none;border:1px solid rgba(255,255,255,0.16);background:transparent;color:var(--sigma-ink);border-radius:999px;padding:7px 13px;font:inherit;font-size:13px;cursor:pointer;flex:none}.sp-close:hover{background:rgba(255,255,255,0.08)}.sp-lead{margin:0 0 10px;color:var(--sigma-muted);font-size:15px;line-height:1.5}.sp-quick{display:flex;flex-wrap:wrap;gap:10px;margin:12px 0 8px}.sp-quick-btn{appearance:none;display:inline-flex;align-items:center;gap:8px;padding:10px 16px;border-radius:999px;border:none;background:var(--sigma-blue);color:#fff;font:inherit;font-size:14px;font-weight:600;cursor:pointer;transition:filter 0.2s,transform 0.3s var(--sigma-ease)}.sp-quick-btn:hover{filter:brightness(1.08);transform:translateY(-1px)}.sp-quick-btn svg{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:1.9;stroke-linecap:round;stroke-linejoin:round}.sp-quick-btn--ghost{background:rgba(255,255,255,0.08);color:var(--sigma-ink);border:1px solid rgba(255,255,255,0.14)}.sp-items{margin-top:8px}.sp-item{border-top:1px solid rgba(255,255,255,0.08)}.sp-item summary{list-style:none;display:flex;align-items:center;justify-content:space-between;gap:12px;padding:15px 0;font-size:16px;font-weight:600;color:var(--sigma-ink);cursor:pointer}.sp-item summary::-webkit-details-marker{display:none}.sp-item summary::after{content:"+";flex:none;width:26px;height:26px;border-radius:50%;display:grid;place-items:center;font-size:18px;font-weight:400;color:var(--sigma-muted);background:rgba(255,255,255,0.06);transition:transform 0.3s var(--sigma-ease),background 0.2s}.sp-item[open] summary::after{content:"–";background:rgba(41,151,255,0.18);color:var(--sigma-link)}.sp-item-body{padding:0 0 18px;color:var(--sigma-muted);font-size:15px;line-height:1.55;max-width:70ch}.sp-item-body p{margin:0 0 8px}.sp-item-body ol,.sp-item-body ul{margin:6px 0 10px;padding-left:22px}.sp-item-body li{margin:5px 0}.sp-item-body li::marker{color:var(--sigma-link);font-weight:600}.sp-item-body a{color:var(--sigma-link);text-decoration:none}.sp-item-body a:hover{text-decoration:underline}.sp-item-body strong{color:var(--sigma-ink);font-weight:600}.sp-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:8px}.sp-link-btn{appearance:none;display:inline-flex;align-items:center;gap:6px;padding:8px 13px;border-radius:999px;border:1px solid rgba(255,255,255,0.16);background:rgba(255,255,255,0.05);color:var(--sigma-ink);font:inherit;font-size:13.5px;font-weight:500;cursor:pointer;text-decoration:none;transition:background 0.2s,border-color 0.2s}.sp-link-btn:hover{background:rgba(255,255,255,0.1);border-color:rgba(255,255,255,0.3);text-decoration:none}.sp-link-btn--accent{background:rgba(41,151,255,0.14);border-color:rgba(41,151,255,0.35);color:#9ccaff}.sp-link-btn--accent:hover{background:rgba(41,151,255,0.24)}.sp-note{margin:10px 0 0;padding:12px 14px;border-radius:14px;background:rgba(255,255,255,0.04);border:1px solid rgba(255,255,255,0.08);color:var(--sigma-muted);font-size:14px;line-height:1.5}.sp-links{display:grid;grid-template-columns:repeat(auto-fill,minmax(210px,1fr));gap:10px;margin-top:12px}.sp-links a{display:flex;flex-direction:column;gap:4px;padding:14px 16px;border-radius:16px;background:rgba(255,255,255,0.04);border:1px solid rgba(255,255,255,0.08);color:var(--sigma-ink);text-decoration:none;transition:background 0.2s,border-color 0.2s}.sp-links a:hover{background:rgba(255,255,255,0.08);border-color:rgba(41,151,255,0.4);text-decoration:none}.sp-links strong{font-size:15px;font-weight:600}.sp-links span{font-size:13px;color:var(--sigma-muted)}.sp-people{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:14px;margin-top:1.25rem}.sp-person{display:flex;flex-direction:column;gap:10px;padding:22px 20px;border-radius:20px;background:var(--sigma-tile);border:1px solid rgba(255,255,255,0.08)}.sp-person h3{margin:0;font-size:17px;font-weight:600;color:var(--sigma-ink)}.sp-person p{margin:0;font-size:14px;line-height:1.45;color:var(--sigma-muted)}.sp-person .sigma-btn{margin-top:auto;align-self:flex-start}.sp-person img{width:48px;height:48px;border-radius:50%;object-fit:cover;object-position:50% 28%}@media screen and (max-width:48em){.sp-hero{grid-template-columns:1fr}.sp-experts{flex-direction:row;text-align:left;padding:1rem 1.1rem}.sp-faces img{width:56px;height:56px}.sp-faces--top img{width:64px;height:64px;margin-left:-14px;border-width:3px}.sp-panel{padding:18px 16px 20px;border-radius:20px}.sp-tile--featured{flex-direction:column;align-items:flex-start;padding:22px 20px}.sp-tile--featured .sp-cta{align-self:stretch;text-align:center}.sp-ask{padding-left:14px}.sp-ask input{font-size:16px}}.sp-contact-bar{display:flex;flex-wrap:wrap;align-items:center;justify-content:center;gap:10px;margin:34px 0 0;color:var(--sigma-muted);font-size:15px}.sp-contact-bar .sp-link-btn{font-size:14px;padding:9px 15px}.sp-portal{max-width:920px}.sp-portal .sp-ask{margin-top:1.25rem}.sp-stage{width:100%;margin-top:1.1rem;min-height:236px}.sp-view[hidden]{display:none}.sp-view{animation:sp-rise 0.3s var(--sigma-ease)}.sp-actions{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px}.sp-action{appearance:none;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:10px;min-height:104px;padding:14px 12px;border-radius:16px;background:#fff;border:1px solid #e3e3e8;color:#1d1d1f;font:inherit;font-size:14px;font-weight:600;line-height:1.25;text-align:center;cursor:pointer;box-shadow:0 2px 10px rgba(0,0,0,0.04);transition:transform 0.35s var(--sigma-ease),border-color 0.2s,box-shadow 0.2s,background 0.2s}.sp-action:hover,.sp-action:focus-visible{transform:translateY(-2px);border-color:rgba(0,113,227,0.5);box-shadow:0 8px 22px rgba(0,0,0,0.08);outline:none}.sp-action svg{width:26px;height:26px;fill:none;stroke:#0a5fc0;stroke-width:1.75;stroke-linecap:round;stroke-linejoin:round}.sp-action--accent{background:#0a5fc0;border-color:#0a5fc0;color:#fff}.sp-action--accent svg{stroke:#fff}.sp-action--accent:hover,.sp-action--accent:focus-visible{background:#0b69d4;border-color:#0b69d4}.sp-view-head{display:flex;align-items:center;gap:12px;margin-bottom:12px;text-align:left}.sp-view-head h2{margin:0;font-size:20px;font-weight:600;color:#1d1d1f}.sp-back{appearance:none;border:1px solid #e3e3e8;background:#fff;color:#1d1d1f;border-radius:999px;padding:7px 13px;font:inherit;font-size:13.5px;font-weight:500;cursor:pointer;flex:none}.sp-back:hover{background:#f0f0f3}.sp-symptoms{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px;text-align:left}.sp-symptom{appearance:none;padding:12px 14px;border-radius:12px;background:#fff;border:1px solid #e3e3e8;color:#1d1d1f;font:inherit;font-size:14.5px;font-weight:500;text-align:left;cursor:pointer;transition:border-color 0.2s,background 0.2s}.sp-symptom:hover,.sp-symptom:focus-visible{border-color:rgba(0,113,227,0.5);outline:none}.sp-symptom[aria-pressed="true"]{border-color:#0a5fc0;background:rgba(0,113,227,0.07);color:#0a5fc0}.sp-steps{margin-top:12px;padding:16px 18px;border-radius:14px;background:#fff;border:1px solid #e3e3e8;text-align:left;color:#515154;font-size:15px;line-height:1.5}.sp-steps[hidden]{display:none}.sp-steps h3{margin:0 0 8px;font-size:16px;font-weight:600;color:#1d1d1f}.sp-steps ol{margin:0 0 10px;padding-left:20px}.sp-steps li{margin:5px 0}.sp-steps li::marker{color:#0a5fc0;font-weight:600}.sp-steps--open{margin-top:0}.sp-portal .sp-link-btn{background:#f0f0f3;border-color:#e3e3e8;color:#1d1d1f}.sp-portal .sp-link-btn:hover{background:#e6e6eb}.sp-portal .sp-link-btn--accent{background:rgba(0,113,227,0.1);border-color:rgba(0,113,227,0.3);color:#0a5fc0}.sp-portal .sp-link-btn--accent:hover{background:rgba(0,113,227,0.18)}.sp-portal .sp-note{margin-top:12px;background:#f5f5f7;border-color:#e3e3e8;color:#515154;text-align:left}.sp-inline-link{appearance:none;border:none;background:none;padding:0;font:inherit;color:#0a5fc0;font-weight:600;cursor:pointer}.sp-portal .sp-reach{margin-top:14px}@media screen and (max-width:48em){.sp-actions{grid-template-columns:repeat(2,minmax(0,1fr))}.sp-actions>.sp-action:last-child:nth-child(odd){grid-column:1 / -1}.sp-action{min-height:92px;font-size:13.5px}.sp-symptoms{grid-template-columns:1fr}}