.floating-contact{position:fixed;right:max(18px,env(safe-area-inset-right));bottom:max(18px,env(safe-area-inset-bottom));z-index:90;display:grid;gap:10px}
.floating-contact-link{display:flex;min-width:102px;align-items:center;justify-content:center;gap:9px;padding:12px 17px;border:2px solid #fff;border-radius:999px;color:#fff;text-decoration:none;font-size:14px;font-weight:700;line-height:1;box-shadow:0 5px 20px #15252130;transition:transform .16s ease,box-shadow .16s ease}
.floating-contact-link:hover{transform:translateY(-2px);box-shadow:0 8px 24px #15252142;color:#fff}
.floating-contact-link:focus-visible{outline:3px solid #f7d06e;outline-offset:3px}
.floating-call{background:#a8491b}.floating-zalo{background:#0068ff}
.floating-contact-link svg{width:19px;height:19px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.floating-zalo-mark{display:grid;width:19px;height:19px;place-items:center;border:1.7px solid currentColor;border-radius:6px;font-size:12px;font-weight:800}

.phase-comparison-section{padding-top:20px}
.phase-comparison-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}
.phase-card{min-width:0;padding:18px;border:1px solid #d4ded4;border-radius:8px;background:#fff}
.phase-card-copy h3{font-size:23px;margin:8px 0}
.phase-card-copy p{font-size:14px;line-height:1.65;color:var(--muted);margin:0 0 16px}
.phase-compare{position:relative;isolation:isolate;width:100%;aspect-ratio:4/3;overflow:hidden;border-radius:5px;background:#e8eee4;--split:50%}
.phase-image{position:absolute;inset:0;display:block;width:100%;height:100%;object-fit:cover;object-position:center}
.phase-working-clip{position:absolute;inset:0;z-index:1;clip-path:inset(0 calc(100% - var(--split)) 0 0)}
.phase-divider{position:absolute;z-index:2;top:0;bottom:0;left:var(--split);width:3px;background:#fff;transform:translateX(-50%);box-shadow:0 0 8px #12231d66;pointer-events:none}
.phase-label{position:absolute;z-index:3;top:12px;padding:7px 10px;border:1px solid #ffffff70;border-radius:3px;background:#152521c9;color:#fff;font-size:11px;font-weight:700;letter-spacing:.04em;pointer-events:none}
.phase-label-working{left:12px}.phase-label-finished{right:12px}
.phase-slider{position:absolute;z-index:4;inset:0;width:100%;height:100%;margin:0;opacity:0;cursor:ew-resize;touch-action:pan-y}
.phase-slider:focus-visible{outline:3px solid #f7d06e;outline-offset:-5px;opacity:.02}
.phase-slider::-webkit-slider-runnable-track{height:100%;background:transparent}
.phase-slider::-webkit-slider-thumb{width:34px;height:100%;-webkit-appearance:none;background:transparent}
.phase-slider::-moz-range-track{height:100%;background:transparent}
.phase-slider::-moz-range-thumb{width:34px;height:100%;border:0;border-radius:0;background:transparent}
.phase-handle{position:absolute;z-index:3;top:50%;left:var(--split);display:grid;width:42px;height:42px;place-items:center;border:2px solid #fff;border-radius:50%;background:#a8491b;color:#fff;font-size:20px;line-height:1;transform:translate(-50%,-50%);box-shadow:0 2px 10px #12231d66;pointer-events:none}
.phase-card .card-link{display:inline-block;margin-top:15px;padding:10px 14px;border-radius:3px;background:var(--orange-ink);color:#fff;text-decoration:none}
.phase-card .card-link:hover{background:#95380e;color:#fff}
.phase-card--portrait .phase-compare{aspect-ratio:3/4;max-height:520px}
.phase-card--portrait .phase-image{object-fit:contain;background:#e8eee4}

.trust-panel{padding:38px;background:#edf2e8;border-radius:8px}
.trust-panel .section-head{margin-bottom:24px}
.trust-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
.trust-grid article{padding:22px;border:1px solid #d4ded4;border-radius:6px;background:#fff}
.trust-grid article>span{font-size:11px;letter-spacing:.08em;color:#718a4b;font-weight:700;text-transform:uppercase}
.trust-grid h3{font-size:18px;line-height:1.35;margin:12px 0 8px}
.trust-grid p{font-size:14px;line-height:1.7;color:var(--muted);margin:0}
.trust-link{display:inline-block;margin-top:21px;color:var(--ink);font-size:14px;font-weight:700;text-underline-offset:4px}
.trust-link span{padding-left:5px}

@media(max-width:850px){.trust-grid{grid-template-columns:1fr}.trust-panel{padding:30px}}
@media(max-width:650px){.phase-comparison-grid{grid-template-columns:1fr;gap:16px}.phase-card{padding:15px}.phase-card--portrait .phase-compare{max-height:none}.floating-contact{right:max(12px,env(safe-area-inset-right));bottom:max(12px,env(safe-area-inset-bottom));grid-auto-flow:column;gap:8px}.floating-contact-link{min-width:88px;padding:12px 14px;font-size:13px}}
@media(prefers-reduced-motion:reduce){.floating-contact-link{transition:none}}