.why-choose-us{background:var(--bg-warm);width:100%;padding:var(--section-pt)var(--section-px)var(--section-pb);font-family:var(--font-outfit),system-ui,sans-serif;transition:background-color .3s;position:relative;overflow:hidden}.dark .why-choose-us{background:#0d0b09}.wcu-container{max-width:1280px;margin:0 auto}.wcu-header{margin-bottom:clamp(40px,5vw,72px)}.wcu-header .wcu-badge{display:none}.wcu-grid{gap:var(--gap-cards);grid-template-columns:1fr;display:grid}.wcu-card{perspective:1000px;cursor:pointer;-webkit-tap-highlight-color:transparent;height:320px}.wcu-inner{width:100%;height:100%;transform-style:preserve-3d;will-change:transform;transition:transform .7s cubic-bezier(.16,1,.3,1);position:relative}.wcu-card.is-flipped .wcu-inner{transform:rotateY(180deg)}.wcu-face{backface-visibility:hidden;border-radius:var(--radius-lg);flex-direction:column;justify-content:flex-end;padding:clamp(24px,3vw,36px);display:flex;position:absolute;inset:0;overflow:hidden}.wcu-front{border:1px solid var(--border-warm);background:#fff;transition:box-shadow .5s,border-color .5s;box-shadow:0 1px 4px #00000008}.wcu-card:hover .wcu-front{border-color:hsla(var(--brand-primary),.1);box-shadow:0 12px 48px #0000000f}.dark .wcu-front{background:#ffffff0a;border-color:#ffffff0f}.wcu-icon-box{background:hsla(var(--brand-primary),.06);border:1px solid hsla(var(--brand-primary),.1);width:56px;height:56px;color:hsl(var(--brand-primary));border-radius:16px;justify-content:center;align-items:center;margin-bottom:20px;transition:transform .5s cubic-bezier(.16,1,.3,1),box-shadow .5s;display:flex}.wcu-card:hover .wcu-icon-box{box-shadow:0 8px 24px rgba(var(--brand-primary),.12);transform:scale(1.08)}.wcu-content h3{font-size:var(--sz-h4);font-weight:var(--fw-heading);color:#1a1715;letter-spacing:var(--ls-heading);margin:0 0 4px;line-height:1.2}.dark .wcu-content h3{color:#fff}.wcu-content .subtitle{font-size:var(--sz-cap);color:#8a7e70;letter-spacing:0;font-weight:500}.dark .wcu-content .subtitle{color:#fff6}.wcu-back{color:#fff;position:relative;transform:rotateY(180deg)}.wcu-watermark{color:#ffffff0f;letter-spacing:-.04em;pointer-events:none;font-size:clamp(100px,14vw,160px);font-weight:900;line-height:1;font-family:var(--font-outfit),sans-serif;position:absolute;top:-12px;right:12px}.wcu-back-content h3{font-size:var(--sz-h4);font-weight:var(--fw-heading);letter-spacing:var(--ls-heading);margin:0 0 12px;line-height:1.2}.wcu-back-content p{font-size:var(--sz-body2);font-weight:var(--fw-light);opacity:.85;margin:0 0 20px;line-height:1.65}.wcu-cta{font-size:var(--sz-cap);opacity:.8;cursor:pointer;align-items:center;gap:6px;font-weight:600;transition:opacity .3s,gap .3s;display:inline-flex}.wcu-cta:hover{opacity:1;gap:10px}@media (min-width:480px){.wcu-card{height:340px}}@media (min-width:768px){.wcu-grid{grid-template-columns:repeat(3,1fr)}.wcu-card{height:380px}}@media (min-width:1024px){.wcu-card{height:400px}}@media (min-width:1280px){.wcu-card{height:420px}.wcu-icon-box{width:64px;height:64px}}