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var(--border);border-radius:var(--r-xl);background:radial-gradient(130% 130% at 0% 45%, color-mix(in oklab, var(--c-indigo) 14%, transparent), transparent 62%), var(--surface-1);position:relative;overflow:hidden}.hero-signal,.hero-signal__canvas{width:100%;height:100%;display:block;position:absolute;inset:0}.hero__visual-label{z-index:2;color:var(--text-faint);pointer-events:none;font-size:.68rem;position:absolute;bottom:.85rem;left:1rem}@media (max-width:900px){.hero__grid{gap:var(--space-block);grid-template-columns:1fr;min-height:0}.hero__visual{aspect-ratio:16/9;order:2}}@media (max-width:460px){.hero__visual{aspect-ratio:4/3}}.build-strip{gap:var(--gutter);grid-template-columns:repeat(3,1fr);display:grid}@media (max-width:760px){.build-strip{grid-template-columns:1fr;max-width:460px}}.build-strip__item{background:var(--surface-1);border:1px solid var(--border);border-radius:var(--r-lg);transition:border-color var(--t-med) var(--ease-out), background var(--t-med) var(--ease-out), box-shadow var(--t-med) var(--ease-out);flex-direction:column;padding:1.1rem 1.2rem 1.2rem;display:flex}.build-strip__item:hover{border-color:var(--border-strong);background:var(--surface-2);box-shadow:var(--glow-cool)}.build-strip__diagram{border-bottom:1px solid var(--border);margin-bottom:.9rem;padding-bottom:.9rem;display:block}.proof-diagram{width:100%;height:auto;display:block}.build-strip__label{color:var(--text);font-size:1rem;font-weight:560}.build-strip__link{color:var(--c-blue-ice);letter-spacing:.08em;align-items:center;gap:.4rem;margin-top:.55rem;font-size:.72rem;display:inline-flex}.build-strip__link .btn__arrow{transition:transform var(--t-fast) var(--ease-out)}.build-strip__item:hover .build-strip__link 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var(--c-blue-ice);box-shadow:var(--glow-cool);opacity:var(--lit,0);pointer-events:none;position:absolute;inset:-1px}.capwall__dot{opacity:0;width:1px;height:1px;position:absolute;top:50%;left:.6rem}@media (min-width:600px){.capwall__dot{top:1.15rem;left:50%}}.capwall__name{font-family:var(--font-display);letter-spacing:.05em;text-transform:uppercase;color:var(--text);margin-bottom:.55rem;font-size:1.02rem;font-weight:560}.capwall__desc{color:var(--text-muted);font-size:.9rem;line-height:1.5}@media (max-width:599px){.capwall__node{padding:1.3rem 1.2rem 1.3rem 2rem}}.proof-grid{gap:var(--gutter);grid-template-columns:repeat(3,1fr);display:grid}@media (max-width:940px){.proof-grid{grid-template-columns:1fr;max-width:560px}}.proof-card{background:var(--surface-1);border:1px solid var(--border);border-radius:var(--r-lg);transition:border-color var(--t-med) var(--ease-out), background var(--t-med) var(--ease-out), box-shadow var(--t-med) var(--ease-out);flex-direction:column;display:flex;overflow:hidden}.proof-card:hover{border-color:var(--border-strong);background:var(--surface-2);box-shadow:var(--glow-cool)}.proof-card__diagram{background:linear-gradient(180deg, color-mix(in oklab, var(--c-navy) 32%, transparent), transparent);border-bottom:1px solid var(--border);padding:1.4rem 1.4rem .4rem}.sysdiagram{width:100%;height:auto;display:block}.proof-card__body{flex-direction:column;flex:1;gap:.7rem;padding:1.3rem 1.4rem 1.5rem;display:flex}.proof-card__index{color:var(--text-faint);letter-spacing:.1em}.proof-card__title{font-size:1.15rem;line-height:1.25}.proof-card__tags{flex-wrap:wrap;gap:.4rem;margin:.1rem 0;list-style:none;display:flex}.tag{font-family:var(--font-mono);letter-spacing:.06em;text-transform:uppercase;color:var(--text-muted);border:1px solid var(--border);border-radius:var(--r-pill);padding:.22rem .6rem;font-size:.66rem}.proof-card__outcome{color:var(--text-muted);font-size:.94rem;line-height:1.55}.proof-card__link{color:var(--c-blue-ice);align-items:center;gap:.45rem;margin-top:auto;padding-top:.4rem;font-size:.9rem;font-weight:560;display:inline-flex}.proof-card__link .btn__arrow{transition:transform var(--t-fast) var(--ease-out)}.proof-card__link:hover .btn__arrow{transform:translate(3px)}.timeline{gap:var(--gutter);grid-template-columns:repeat(6,1fr);list-style:none;display:grid;position:relative}.timeline:before{content:"";background:linear-gradient(90deg, var(--c-indigo-bright), var(--c-blue) 50%, var(--c-purple));opacity:.4;height:2px;position:absolute;top:5px;left:0;right:0}.timeline__step{padding-top:1.7rem;position:relative}.timeline__step:before{content:"";border-radius:var(--r-pill);background:var(--c-blue-ice);border:2px solid var(--bg);width:11px;height:11px;box-shadow:var(--glow-cool);position:absolute;top:0;left:0}.timeline__code{color:var(--text-faint);margin-bottom:.4rem;display:block}.timeline__title{margin-bottom:.4rem;font-size:1.1rem}.timeline__body{color:var(--text-muted);font-size:.9rem;line-height:1.55}@media (max-width:820px){.timeline{grid-template-columns:1fr;gap:0}.timeline:before{background:linear-gradient(180deg, var(--c-indigo-bright), var(--c-blue) 50%, var(--c-purple));width:2px;height:auto;inset:0 auto 0 5px}.timeline__step{padding:0 0 var(--sp-6) 2rem}.timeline__step:last-child{padding-bottom:0}.timeline__step:before{top:.15rem}}.arch-grid{gap:var(--gutter);grid-template-columns:repeat(3,1fr);display:grid}@media (max-width:920px){.arch-grid{grid-template-columns:repeat(2,1fr)}}@media (max-width:600px){.arch-grid{grid-template-columns:1fr}}.arch-card{background:var(--surface-1);border:1px solid var(--border);border-radius:var(--r-lg);transition:border-color var(--t-med) var(--ease-out), background var(--t-med) var(--ease-out), box-shadow var(--t-med) var(--ease-out);padding:clamp(1.4rem,1rem + 1.4vw,2rem) clamp(1.4rem,1rem + 1.4vw,2rem) clamp(1.4rem,1rem + 1.4vw,2rem) clamp(1.6rem,1.2rem + 1.4vw,2.2rem);position:relative;overflow:hidden}.arch-card:before{content:"";background:linear-gradient(180deg, var(--c-indigo-bright), var(--c-blue) 60%, transparent);opacity:.7;width:2px;transition:opacity var(--t-med) var(--ease-out);position:absolute;top:0;bottom:0;left:0}.arch-card:hover{border-color:var(--border-strong);background:var(--surface-2);box-shadow:var(--glow-cool)}.arch-card:hover:before{opacity:1}.arch-card__code{color:var(--text-faint);margin-bottom:.85rem;display:block}.arch-card__title{margin-bottom:.55rem;font-size:1.18rem}.arch-card__body{color:var(--text-muted);font-size:.975rem;line-height:1.6}