/* Cẩm nang: styles are isolated so the site-wide stylesheet remains lightweight. */
.guide-hub-page{background:#fffefa}
.guide-hub-hero{padding:4.5rem 0;color:#fff;background:var(--color-foreground)}
.guide-hub-hero-grid{display:grid;gap:2rem}
.guide-hub-hero h1{max-width:52rem;margin:0;font:700 clamp(2.8rem,12vw,5.4rem)/1.01 var(--font-heading);letter-spacing:-.055em}
.guide-hub-hero h1 em{color:var(--color-warm);font-style:normal}
.guide-hub-hero-grid>div:last-child{align-self:end;max-width:38rem}
.guide-hub-hero p:not(.eyebrow){margin:0;color:rgba(255,255,255,.74)}
.guide-hub-hero a{min-height:3rem;display:inline-flex;align-items:center;margin-top:1rem;color:#fff;font:700 .82rem/1.3 var(--font-heading)}
.guide-topic-nav{position:sticky;top:var(--header-height);z-index:20;overflow-x:auto;border-bottom:1px solid var(--color-border);background:rgba(255,254,250,.96);backdrop-filter:blur(12px)}
.guide-topic-nav .container{display:flex;align-items:center;min-width:max-content}
.guide-topic-nav a{min-height:3.5rem;display:flex;align-items:center;gap:.45rem;padding:.6rem 1rem;border-bottom:3px solid transparent;font:700 .76rem/1.2 var(--font-heading)}
.guide-topic-nav a:hover,.guide-topic-nav a.is-active{border-color:var(--color-primary);color:var(--color-primary-strong)}
.guide-topic-nav a.is-active{background:#edf8f4}
.guide-topic-nav span:not(.guide-count-badge){color:var(--color-gold);font-size:.62rem}
.guide-count-badge{display:inline-flex;align-items:center;justify-content:center;padding:.12rem .48rem;border-radius:999px;background:rgba(20,63,58,.08);color:var(--color-foreground);font-size:.66rem;font-weight:700;line-height:1}
.guide-topic-nav a.is-active .guide-count-badge{background:var(--color-primary-strong);color:#fff}
.guide-topic-search-btn{margin-left:auto;display:inline-flex;align-items:center;gap:.45rem;padding:.45rem .95rem;border:1px solid #b8d2cb;border-radius:999px;background:#f2f7f4;color:var(--color-primary-strong);font:700 .75rem/1 var(--font-heading);text-decoration:none}
.guide-topic-search-btn:hover{border-color:var(--color-primary-strong);background:#edf8f4}
.guide-topic-search-btn svg{flex:none}
.guide-discovery{padding:1.75rem 0 0}
.guide-discovery-inner{max-width:46rem}
.guide-discovery label{display:block;margin-bottom:.65rem;font:700 .9rem/1.35 var(--font-heading)}
.guide-search-box{position:relative}
.guide-search-box>svg{position:absolute;top:50%;left:1rem;transform:translateY(-50%);color:#5d7471;pointer-events:none}
.guide-search-box input{width:100%;min-height:3.5rem;padding:.7rem 3.25rem .7rem 3rem;border:1px solid #a9bcb8;border-radius:999px;background:#fff;color:var(--color-foreground);font:400 1rem/1.5 var(--font-body);-webkit-appearance:none;appearance:none}
.guide-search-box input:focus{border-color:var(--color-primary-strong);outline:0;box-shadow:0 0 0 3px rgba(20,112,103,.16)}
.guide-search-clear{position:absolute;top:50%;right:.4rem;width:2.75rem;height:2.75rem;padding:0;transform:translateY(-50%);border:0;border-radius:50%;background:var(--color-muted);color:var(--color-primary-strong);font:500 1.5rem/1 var(--font-heading)}
.guide-search-clear:hover{background:#d7e9e4}
.guide-search-clear[hidden],.guide-search-results[hidden],.guide-empty-state[hidden],.guide-cluster[hidden],.guide-card[hidden]{display:none!important}
.guide-search-status{min-height:1.4rem;margin:.55rem .25rem 0;color:var(--color-muted-foreground);font-size:.72rem}
.guide-editorial-note{margin:.55rem .25rem 0;padding-left:.75rem;border-left:2px solid #b8d2cb;color:#5d7471;font-size:.72rem;line-height:1.55}
.guide-search-results{padding:2rem 0 3.5rem}
.guide-search-results-heading{display:grid;gap:.4rem;margin-bottom:1.5rem}
.guide-search-results-heading h2{margin:0;font:700 clamp(1.6rem,6vw,2.4rem)/1.15 var(--font-heading);letter-spacing:-.03em}
.guide-search-results .guide-card-grid{display:grid;gap:1rem}
.guide-clusters{padding:1rem 0 4.5rem}
.guide-cluster{scroll-margin-top:calc(var(--header-height) + 4rem);padding-top:4rem}
.guide-cluster+.guide-cluster{margin-top:4rem;border-top:1px solid var(--color-border)}
.guide-cluster-heading{display:grid;grid-template-columns:2.5rem minmax(0,1fr);gap:1rem;margin-bottom:2rem}
.guide-cluster-heading>span{color:#c9796f;font:800 1.6rem/1 var(--font-heading)}
.guide-cluster-heading h2{margin:0;font:700 clamp(2.2rem,9vw,4rem)/1 var(--font-heading);letter-spacing:-.045em}
.guide-cluster-heading p:last-child{max-width:43rem;margin:.8rem 0 0;color:var(--color-muted-foreground)}
.guide-card-grid{display:grid;gap:1rem}
.guide-card{display:flex;min-height:15rem;flex-direction:column;padding:1.5rem;border:1px solid var(--color-border);border-radius:var(--radius-md);background:#fff;box-shadow:var(--shadow-sm);transition:transform var(--motion-base),box-shadow var(--motion-base),border-color var(--motion-base)}
.guide-card:hover{transform:translateY(-2px);border-color:#9fcfc4;box-shadow:var(--shadow-md)}
.guide-card-featured{background:linear-gradient(145deg,#edf8f4,#fff)}
.guide-card small{color:var(--color-gold);font:700 .66rem/1.4 var(--font-heading);letter-spacing:.09em;text-transform:uppercase}
.guide-card h3{margin:1.25rem 0 .65rem;font:700 1.35rem/1.25 var(--font-heading);letter-spacing:-.025em}
.guide-card p{margin:0;color:var(--color-muted-foreground);font-size:.84rem}
.guide-card span{min-height:3rem;display:flex;align-items:end;margin-top:auto;padding-top:1rem;color:var(--color-primary-strong);font:700 .78rem/1.3 var(--font-heading)}
.guide-more-wrap{display:flex;justify-content:center;margin-top:1rem}
.guide-more-wrap[hidden]{display:none!important}
.guide-more-button{min-height:2.9rem;padding:.55rem 1rem;border:1px solid #9fcfc4;border-radius:999px;background:#fff;color:var(--color-primary-strong);font:700 .78rem/1.2 var(--font-heading)}
.guide-more-button:hover{border-color:var(--color-primary-strong);background:#edf8f4;box-shadow:var(--shadow-sm)}
.guide-more-button:focus-visible{outline:3px solid rgba(20,112,103,.25);outline-offset:3px}
.guide-empty-state{padding:4rem 0;text-align:center}
.guide-empty-state .container{max-width:40rem;padding:2rem 1.25rem;border:1px solid var(--color-border);border-radius:var(--radius-lg);background:#f3f7f5}
.guide-empty-state h2{margin:0;font:700 1.5rem/1.2 var(--font-heading)}
.guide-empty-state p{margin:.75rem 0 1.25rem;color:var(--color-muted-foreground);font-size:.86rem}
.guide-empty-state button{min-height:3rem;padding:.65rem 1rem;border:0;border-radius:var(--radius-sm);background:var(--color-primary-strong);color:#fff;font:700 .8rem/1.2 var(--font-heading)}
.ivf-stage-nav{display:grid;gap:.65rem;margin:0 0 2.5rem}
.ivf-stage-nav a{min-height:3.25rem;display:flex;align-items:center;gap:.7rem;padding:.7rem 1rem;border:1px solid var(--color-border);border-radius:var(--radius-sm);background:#fff;color:var(--color-primary-strong);font:700 .78rem/1.25 var(--font-heading)}
.ivf-stage-nav a:hover{border-color:#9fcfc4;background:#edf8f4;box-shadow:var(--shadow-sm)}
.ivf-stage-nav span{color:var(--color-warm-strong);font-size:.65rem}
.ivf-stage{scroll-margin-top:calc(var(--header-height) + 4rem)}
.ivf-stage+.ivf-stage{margin-top:3rem;padding-top:3rem;border-top:1px solid var(--color-border)}
.ivf-stage-heading{display:grid;grid-template-columns:2rem minmax(0,1fr);gap:.8rem;margin-bottom:1.25rem}
.ivf-stage-heading>span{color:#c9796f;font:800 .8rem/1.5 var(--font-heading)}
.ivf-stage-heading h3{margin:0;font:700 clamp(1.35rem,5vw,1.8rem)/1.2 var(--font-heading);letter-spacing:-.02em}
.ivf-stage-heading p{max-width:44rem;margin:.45rem 0 0;color:var(--color-muted-foreground);font-size:.82rem}
.guide-hub-cta{padding:0 0 4.5rem}
.guide-hub-cta-panel{display:grid;gap:2rem;padding:2rem 1.25rem;border-radius:var(--radius-lg);background:var(--color-foreground);color:#fff}
.guide-hub-cta h2{margin:0 0 1rem;font:700 clamp(2rem,8vw,3.5rem)/1.05 var(--font-heading);letter-spacing:-.04em}
.guide-hub-cta p:not(.eyebrow){color:rgba(255,255,255,.72)}
.guide-hub-cta-panel>div:last-child{display:grid;gap:.65rem;align-content:center}
.guide-hub-cta a{min-height:3rem;display:flex;align-items:center;justify-content:center;padding:.65rem 1rem;border:1px solid rgba(255,255,255,.35);border-radius:var(--radius-sm);font:700 .82rem/1.2 var(--font-heading)}
.guide-hub-cta a:first-child{border-color:var(--color-accent);background:var(--color-accent)}
.guide-hub-page .mobile-actions-collapsible{grid-template-columns:3.5rem;bottom:calc(5.75rem + env(safe-area-inset-bottom));gap:.55rem}
.guide-hub-page .mobile-actions-collapsible>a{justify-self:center;opacity:0;visibility:hidden;pointer-events:none;transform:translateY(.75rem) scale(.9);transition:opacity var(--motion-fast),transform var(--motion-fast),visibility var(--motion-fast)}
.guide-hub-page .mobile-actions-collapsible.is-open>a{opacity:1;visibility:visible;pointer-events:auto;transform:none}
.mobile-actions-toggle{width:3.5rem;height:3.5rem;display:grid;place-items:center;padding:0;border:2px solid rgba(255,255,255,.92);border-radius:50%;background:var(--color-foreground);color:#fff;box-shadow:0 10px 28px rgba(12,62,57,.3)}
.mobile-actions-toggle:hover,.mobile-actions-toggle[aria-expanded="true"]{background:var(--color-primary-strong)}
.mobile-actions-toggle svg{width:1.55rem;height:1.55rem;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.mobile-actions-toggle:focus-visible{outline:3px solid #fff;outline-offset:2px;box-shadow:0 0 0 5px var(--color-foreground),0 12px 32px rgba(12,62,57,.36)}
@media (max-width:47.99rem){.guide-topic-nav{scrollbar-width:none}.guide-topic-nav::-webkit-scrollbar{display:none}.guide-topic-nav .container{width:auto;min-width:max-content;gap:.4rem;padding-block:.45rem}.guide-topic-nav a{min-height:2.75rem;padding:.55rem .85rem;border:1px solid var(--color-border);border-radius:999px;background:#fff;font-size:.7rem}.guide-cluster{scroll-margin-top:calc(var(--header-height) + 4.5rem)}}
@media (min-width:48rem){.guide-hub-hero{padding:6rem 0}.guide-hub-hero-grid{grid-template-columns:minmax(0,1.2fr) minmax(20rem,.8fr);align-items:end;gap:4rem}.guide-topic-nav .container{justify-content:center}.guide-discovery{padding-top:2.25rem}.guide-search-results .guide-card-grid,.guide-card-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.guide-card-grid:has(.guide-card:nth-child(3)),.guide-search-results .guide-card-grid:has(.guide-card:nth-child(3)){grid-template-columns:repeat(3,minmax(0,1fr))}.guide-clusters{padding-bottom:6rem}.guide-cluster{padding-top:5rem}.guide-cluster-heading{grid-template-columns:4rem minmax(0,1fr);gap:1.5rem}.guide-cluster-heading>span{font-size:2.25rem}.ivf-stage-nav{grid-template-columns:repeat(3,minmax(0,1fr));gap:1rem}.ivf-stage-nav a{justify-content:center}.ivf-stage+.ivf-stage{margin-top:4rem;padding-top:4rem}.ivf-stage-heading{grid-template-columns:2.5rem minmax(0,1fr);margin-bottom:1.75rem}.ivf-stage .guide-card-grid:has(.guide-card:nth-child(3)){grid-template-columns:repeat(3,minmax(0,1fr))}.guide-hub-cta-panel{grid-template-columns:minmax(0,1.2fr) minmax(18rem,.8fr);align-items:center;padding:3.5rem}}
@media (prefers-reduced-motion:reduce){.guide-hub-page .mobile-actions-collapsible>a{transition:none}}