/* BedtimeSleepCalculator v19 homepage. Loaded after bsc-v19.css. Tokens only, no hard coded text colours on surfaces. */
.hm-wrap{width:100%;max-width:var(--wrap);margin:0 auto;padding:0 16px}
.container{width:100%;max-width:var(--wrap);margin:0 auto;padding:0}
.hm-sec{padding:44px 0}
.hm-sec:nth-of-type(even){background:var(--bg3)}
.hm-sec .container,.hm-sec>.hm-wrap>.container{padding:0}
.hm-sec h2,.hm-hero h2{font-size:clamp(1.45rem,1.1rem + 1.6vw,2.1rem);margin:0 0 12px}
.hm-sec h3{font-size:1.12rem;margin:0 0 8px}
.hm-sec p,.hm-sec li{max-width:74ch}
.hm-sec .section-desc,.hm-sec .section-sub{color:var(--t2);margin:0 0 22px;max-width:70ch}
.hm-sec .kw{color:var(--accent);font-style:normal}
.hm-sec em{font-style:italic}
.hm-sec strong{color:var(--t1)}
.hm-sec a:not([class]){color:var(--accent)}

/* ---------- hero ---------- */
.hm-hero{padding:28px 0 36px;background:var(--bg)}
.hm-hero-grid{display:grid;gap:22px;grid-template-columns:minmax(0,1fr)}
.hm-hero h1{font-size:clamp(2rem,1.4rem + 3vw,3.1rem);line-height:1.08;margin:0 0 10px}
.hm-tagline{font:600 1.05rem/1.45 var(--fb);color:var(--t1);margin:0 0 10px}
.hm-lead{color:var(--t2);margin:0 0 16px;max-width:60ch}
.hm-proof{list-style:none;margin:0 0 18px;padding:0;display:grid;gap:8px}
.hm-proof li{display:flex;gap:10px;align-items:flex-start;color:var(--t2);font-size:.95rem;max-width:none}
.hm-proof .ic{width:20px;height:20px;flex:none;color:var(--accent);margin-top:2px;fill:none;stroke:currentColor}
.hm-hero-fig{display:none;margin:0}
.hm-hero-fig img{display:block;width:100%;height:auto;aspect-ratio:2/1;object-fit:cover;border-radius:var(--r4);border:1px solid var(--br);box-shadow:var(--sh)}
@media(min-width:1100px){
  .hm-hero{padding:44px 0 56px}
  .hm-hero-grid{grid-template-columns:minmax(0,5fr) minmax(0,7fr);gap:40px;align-items:start}
  .hm-hero-fig{display:block;margin-top:8px}
}

/* ---------- calculator ---------- */
.hm-calc{min-width:0}
.tabs{display:flex;gap:6px;overflow-x:auto;padding:2px 2px 8px;margin:0 0 12px;scrollbar-width:thin;-webkit-overflow-scrolling:touch}
.tab-btn{flex:0 0 auto;min-height:44px;padding:8px 14px;border-radius:999px;border:1px solid var(--br);background:var(--bg2);color:var(--t1);font:600 .92rem/1.2 var(--fb);cursor:pointer;white-space:nowrap}
.tab-btn:hover{border-color:var(--accent)}
.tab-btn.active,.tab-btn[aria-selected=true]{background:var(--btn);border-color:var(--btn);color:var(--btn-ink)}
.calc-section{display:none}
.calc-section.active{display:block}
.calc-card,.debt-tracker,.quiz-wrap,.baby-panel,.travel-panel{background:var(--bg2);border:1px solid var(--br);border-radius:var(--r4);padding:20px 16px;box-shadow:var(--sh);color:var(--t1)}
.calc-title{font-size:1.35rem;margin:0 0 6px}
.calc-subtitle{color:var(--t2);margin:0 0 18px;font-size:.95rem}
.time-input-group{margin:0 0 16px}
.time-input-group>label,.slider-label,.debt-input label,.travel-field label{display:block;font:600 .92rem/1.3 var(--fb);color:var(--t1);margin:0 0 6px}
.time-input-row{display:grid;grid-template-columns:1.2fr 1.2fr 1fr;gap:8px}
.time-select,.hm-calc select,.hm-calc input[type=number],.hm-calc input[type=date],.hm-calc input[type=text]{width:100%;min-width:0;padding:10px 12px;font-size:1rem;font-weight:600}
.slider-group{margin:0 0 16px}
.slider-header{display:flex;justify-content:space-between;align-items:baseline;gap:8px;margin-bottom:4px}
.slider-val{font-weight:700;color:var(--accent)}
.slider-group input[type=range]{width:100%}
.calc-btn{display:flex;align-items:center;justify-content:center;width:100%;min-height:50px;padding:12px 18px;border:0;border-radius:12px;background:var(--btn);color:var(--btn-ink);font:700 1.02rem/1.2 var(--fb);cursor:pointer;box-shadow:var(--sh-sm)}
.calc-btn:hover{background:var(--btn-hi)}
.results{display:none;margin-top:20px}
.results.show{display:block}
.results-header h3{font-size:1.1rem;margin:0 0 4px}
.results-header p{margin:0 0 14px;color:var(--t2);font-size:.92rem}
.times-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,210px),1fr));gap:10px}
.time-card{display:flex;flex-direction:column;gap:6px;padding:14px;border:1px solid var(--br);border-radius:var(--r3);background:var(--bg);position:relative}
.time-card.recommended{border-color:var(--accent);background:var(--accent-soft);box-shadow:inset 0 0 0 1px var(--accent)}
.time-card.recommended::before{content:"Best match";position:absolute;top:-10px;left:12px;background:var(--btn);color:var(--btn-ink);font:700 .72rem/1 var(--fb);padding:4px 8px;border-radius:999px}
.time-big{font:700 1.7rem/1.1 var(--fd);color:var(--t1)}
.time-meta{display:flex;flex-wrap:wrap;gap:4px 12px;color:var(--t2);font-size:.88rem}
.time-short{flex-basis:100%;color:var(--gold);font-weight:600}
.alarm-btn{align-self:flex-start;min-height:40px;padding:6px 12px;border:1px solid var(--accent-line);background:transparent;color:var(--accent);border-radius:999px;font:600 .85rem/1 var(--fb);cursor:pointer}
.alarm-btn:hover{background:var(--accent-soft)}
.times-note{color:var(--t3);font-size:.85rem;margin:12px 0 0}
.visualizer{margin-top:18px;padding:14px;border:1px solid var(--br);border-radius:var(--r3);background:var(--bg)}
.vis-header{display:flex;justify-content:space-between;gap:8px;flex-wrap:wrap;margin-bottom:10px}
.vis-label{font-weight:700}
.vis-hours{color:var(--t2);font-size:.9rem}
.cycle-chart{display:grid;gap:6px}
.sleep-row{display:grid;grid-template-columns:52px minmax(0,1fr);gap:8px;align-items:center}
.sleep-row-label{font-size:.8rem;color:var(--t2);font-weight:600}
.sleep-row-track{display:flex;height:16px;border-radius:6px;overflow:hidden;background:var(--bg3)}
.cycle-segment{height:100%}
.vis-axis{display:flex;justify-content:space-between;font-size:.75rem;color:var(--t3);margin-top:6px}
.cycle-legend{display:flex;flex-wrap:wrap;gap:6px 14px;margin-top:10px;font-size:.82rem;color:var(--t2)}
.legend-item{display:inline-flex;align-items:center;gap:6px}
.legend-dot{width:12px;height:12px;border-radius:3px}
.legend-dot.light{background:#334155}.legend-dot.deep{background:#1d4ed8}.legend-dot.rem{background:#7c6df0}
/* debt */
.debt-input-row{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,180px),1fr));gap:12px;margin:0 0 14px}
.debt-result{display:none;margin-top:16px;padding:16px;border:1px solid var(--br);border-radius:var(--r3);background:var(--bg);text-align:center}
.debt-result.show{display:block}
.debt-num{display:block;font:700 2.2rem/1.1 var(--fd);color:var(--t1)}
.debt-msg{color:var(--t2);margin:8px 0 0}
/* nap */
.nap-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,190px),1fr));gap:10px}
.nap-card{padding:14px;border:1px solid var(--br);border-radius:var(--r3);background:var(--bg)}
.nap-duration{display:inline-block;font-weight:700;color:var(--accent);margin-bottom:2px}
.nap-type{font-weight:700;margin-bottom:4px}
.nap-benefit{color:var(--t2);font-size:.9rem}
.calc-card>div[class=""]:last-child,.calc-section [class="hm-card"]{background:var(--warn-bg);border:1px solid var(--br);border-radius:var(--r3);padding:14px;margin-top:16px;color:var(--t1)}
.calc-section [class="hm-card"] *{color:inherit}
/* quiz */
.quiz-progress{height:6px;border-radius:999px;background:var(--bg3);overflow:hidden;margin:0 0 14px}
.quiz-progress>*{display:block;height:100%;background:var(--btn)}
.quiz-q-card{display:none}.quiz-q-card.active{display:block}
.quiz-q-text{font:700 1.1rem/1.4 var(--fd);margin:0 0 12px}
.quiz-options{display:grid;gap:8px}
.quiz-opt{text-align:left;min-height:48px;padding:10px 14px;border:1px solid var(--br);border-radius:var(--r3);background:var(--bg);color:var(--t1);font:600 .95rem/1.35 var(--fb);cursor:pointer}
.quiz-opt:hover{border-color:var(--accent)}
.quiz-opt.selected{background:var(--accent-soft);border-color:var(--accent)}
.quiz-nav{display:flex;gap:8px;justify-content:space-between;margin-top:12px}
.quiz-back,.quiz-next{min-height:44px;padding:8px 16px;border-radius:999px;border:1px solid var(--br);background:var(--bg2);color:var(--t1);font-weight:700;cursor:pointer}
.quiz-next{background:var(--btn);color:var(--btn-ink);border-color:var(--btn)}
.quiz-dot{width:10px;height:10px;border-radius:50%;background:var(--bg6);display:inline-block}
.quiz-dot.active{background:var(--btn)}
.quiz-result{display:none}.quiz-result.show{display:block}
.chrono-row{display:flex;justify-content:space-between;gap:12px;padding:10px 0;border-bottom:1px solid var(--br)}
.chrono-key{color:var(--t2)}.chrono-val{font-weight:700}
.chrono-emoji{font-size:2.2rem;text-align:center}.chrono-type{font:700 1.4rem/1.2 var(--fd);text-align:center}.chrono-sub{text-align:center}
#chrono-badge,.chrono-badge{padding:16px;border-radius:var(--r3);background:var(--bg);border:1px solid var(--br)!important}
/* baby */
.baby-age-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,120px),1fr));gap:8px;margin-bottom:14px}
.baby-age-btn{padding:12px 8px;border:1px solid var(--br);border-radius:var(--r3);background:var(--bg);color:var(--t1);text-align:center;cursor:pointer;font-weight:600}
.baby-age-btn.active{background:var(--accent-soft);border-color:var(--accent)}
.baby-age-emoji{display:block;font-size:1.5rem}
.baby-result-card,#baby-result{margin-top:12px}
.baby-stat-row{display:grid;grid-template-columns:repeat(auto-fit,minmax(110px,1fr));gap:8px;margin:12px 0}
.baby-stat{padding:10px;border:1px solid var(--br);border-radius:var(--r3);text-align:center;background:var(--bg)}
.baby-stat-num{display:block;font:700 1.3rem/1.2 var(--fd)}.baby-stat-lbl{font-size:.8rem;color:var(--t2)}
.baby-schedule h4{margin:12px 0 8px;font-size:1rem}
.baby-time-row{display:grid;grid-template-columns:12px 92px minmax(0,1fr);gap:8px;align-items:center;padding:6px 0;border-bottom:1px solid var(--br);font-size:.92rem}
.baby-dot{width:10px;height:10px;border-radius:50%}
.baby-time-label{font-weight:700}.baby-time-val{color:var(--t2)}
/* travel */
.travel-mode-row{display:flex;gap:8px;flex-wrap:wrap;margin:0 0 14px}
.travel-mode-btn{min-height:44px;padding:8px 14px;border:1px solid var(--br);border-radius:999px;background:var(--bg);color:var(--t1);font-weight:600;cursor:pointer}
.travel-mode-btn.active{background:var(--btn);border-color:var(--btn);color:var(--btn-ink)}
.travel-inputs,.travel-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,220px),1fr));gap:12px}
.travel-field{min-width:0}
.travel-field>div{display:flex;gap:6px}
.travel-info-panel,.travel-results,.travel-tips-box,.travel-special-alert{margin-top:14px;padding:14px;border:1px solid var(--br);border-radius:var(--r3);background:var(--bg)}
.travel-special-alert{background:var(--warn-bg)}
.travel-info-row,.travel-row{display:flex;justify-content:space-between;gap:12px;padding:6px 0;border-bottom:1px solid var(--br);font-size:.92rem}
.travel-howto-bar{padding:10px 12px;border-radius:var(--r3);background:var(--info-bg);margin-bottom:12px;font-size:.9rem;color:var(--t1)}
.travel-section-label{font-weight:700;margin:12px 0 6px;color:var(--t2)}
.travel-timeline,#travel-timeline{display:flex;gap:2px;margin:10px 0;border-radius:8px;overflow:hidden}
.tl-seg{padding:8px 6px;font-size:.75rem;text-align:center;background:var(--bg3);color:var(--t1);min-width:0;overflow:hidden}
.tl-seg.sleep-on{background:var(--btn);color:var(--btn-ink)}
.tsw-card{padding:10px 0;border-bottom:1px solid var(--br)}
.tsw-label{color:var(--t2);font-size:.88rem}.tsw-time{font:700 1.3rem/1.2 var(--fd)}.tsw-note{color:var(--t2);font-size:.88rem}
.tsw-badge{display:inline-block;margin-top:4px;padding:3px 8px;border-radius:999px;background:var(--ok-bg);color:var(--t1);font-size:.78rem;font-weight:700}

/* ---------- analysis block (shown after a calculation) ---------- */
.hm-analysis .container,.hm-analysis>.hm-wrap{display:grid;gap:18px;grid-template-columns:minmax(0,1fr);min-width:0}
.hm-analysis .container{padding:0 16px;max-width:var(--wrap);margin:0 auto}
.hm-analysis{padding:0 0 8px}
.sleep-score-panel,.comparison-table-wrap,.daily-plan-wrap,.sr-panel,.sleep-plan-output{background:var(--bg2);border:1px solid var(--br);border-radius:var(--r4);padding:18px 16px;box-shadow:var(--sh)}
.sleep-score-panel{display:grid;gap:16px;grid-template-columns:minmax(0,1fr)}
.sleep-score-panel>*{min-width:0}
.ssp-left{display:flex;align-items:center;gap:16px}
.score-ring-wrap{position:relative;width:120px;height:120px;flex:none}
.score-ring{width:120px;height:120px}
.ring-bg{stroke:var(--bg6)}.ring-fill{stroke:var(--accent)}
.score-center{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center}
.score-number{font:700 2rem/1 var(--fd)}.score-label{font-size:.8rem;color:var(--t3)}
.score-grade-badge{font-weight:700}
.ssp-title{margin:0 0 6px;font-size:1.2rem}.ssp-desc{color:var(--t2);margin:0 0 12px}
.score-bars{display:grid;gap:8px;margin-bottom:12px}
.sbi-track{height:8px;border-radius:99px;background:var(--bg3);overflow:hidden}.sbi-fill{display:block;height:100%;background:var(--accent)}
.score-actions,.spo-export-menu{display:flex;flex-wrap:wrap;gap:8px}
.score-action-btn,.spo-export-btn,.spo-export-option{min-height:44px;padding:8px 14px;border-radius:999px;border:1px solid var(--br);background:var(--bg);color:var(--t1);font-weight:600;cursor:pointer}
.score-action-btn.primary{background:var(--btn);color:var(--btn-ink);border-color:var(--btn)}
.spo-export-dropdown{display:none}.spo-export-menu.open .spo-export-dropdown{display:flex;flex-direction:column;gap:6px;margin-top:6px;flex-basis:100%}
.comparison-table-scroll{overflow-x:auto;border:1px solid var(--br);border-radius:var(--r3)}
.comparison-table{width:100%;min-width:620px;font-size:.92rem}
.comparison-table th,.comparison-table td{padding:10px 12px;text-align:left;border-bottom:1px solid var(--br);color:var(--t1)}
.comparison-table th{background:var(--bg3);font-weight:700}
.comparison-table tr.best-row td{background:var(--accent-soft)}
.ct-score{display:inline-flex;align-items:center;gap:6px}.ct-score-bar{display:inline-block;width:56px;height:6px;border-radius:9px;background:var(--bg6);overflow:hidden}.ct-score-fill{display:block;height:100%;background:var(--accent)}
.ct-badge{padding:3px 8px;border-radius:999px;background:var(--bg3);font-size:.78rem;font-weight:700}
.ct-badge.best,.ct-badge.rec{background:var(--ok-bg)}.ct-badge.warn{background:var(--warn-bg)}
.ct-title,.dp-title{font:700 1.1rem/1.3 var(--fd);margin:0 0 12px}
.daily-plan-header{display:flex;justify-content:space-between;gap:8px;flex-wrap:wrap}
.dp-badge{font-size:.78rem;padding:3px 8px;border-radius:999px;background:var(--bg3);color:var(--t2)}
.daily-plan-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,230px),1fr));gap:10px}
.sr-header{display:flex;justify-content:space-between;gap:12px;align-items:center;margin-bottom:12px}
.sr-title{font:700 1.15rem/1.3 var(--fd)}.sr-subtitle{color:var(--t2);font-size:.9rem}
.sr-insight{display:flex;gap:10px;padding:12px;border-radius:var(--r3);background:var(--info-bg);margin-bottom:14px}
.sr-section{margin-top:14px}.sr-section-title{font-weight:700;margin-bottom:6px}
.sr-usecase-tags{display:flex;flex-wrap:wrap;gap:6px}.sr-usecase-tag{padding:4px 10px;border-radius:999px;background:var(--bg3);font-size:.85rem}
.sr-expects,.sr-cycles{display:grid;gap:8px}
.sr-expect-item{padding:8px 12px;border:1px solid var(--br);border-radius:var(--r3);background:var(--bg)}
.sr-cycle-item{display:grid;grid-template-columns:32px minmax(0,1fr);gap:10px;padding:10px;border:1px solid var(--br);border-radius:var(--r3);background:var(--bg)}
.sr-cycle-num{width:28px;height:28px;border-radius:50%;background:var(--btn);color:var(--btn-ink);display:flex;align-items:center;justify-content:center;font-weight:700}
.sr-cycle-phase{font-weight:700}.sr-cycle-desc{color:var(--t2);font-size:.9rem}
.spo-header{display:flex;justify-content:space-between;align-items:center;gap:8px;flex-wrap:wrap;margin-bottom:12px}
.spo-title{font:700 1.1rem/1.3 var(--fd)}
.spo-summary{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,130px),1fr));gap:8px;margin-bottom:12px}
.spo-sum-card,.sum-card{padding:10px;border:1px solid var(--br);border-radius:var(--r3);background:var(--bg);text-align:center}
.spo-sum-val,.sum-val{font:700 1.15rem/1.2 var(--fd)}.spo-sum-lbl,.sum-lbl{color:var(--t2);font-size:.8rem}
.spo-event{display:grid;grid-template-columns:78px 28px minmax(0,1fr);gap:8px;padding:8px 0;border-bottom:1px solid var(--br);align-items:start}
.spo-time{font-weight:700}.spo-event-name{font-weight:700}.spo-event-tip{color:var(--t2);font-size:.88rem}
.habit-item{display:grid;grid-template-columns:26px 24px minmax(0,1fr) auto;gap:8px;align-items:center;padding:10px;border:1px solid var(--br);border-radius:var(--r3);background:var(--bg);margin-bottom:6px;cursor:pointer}
.habit-check{width:20px;height:20px;border:2px solid var(--field-br);border-radius:6px}.habit-item.checked .habit-check{background:var(--btn);border-color:var(--btn)}
.habit-score{color:var(--t2);font-size:.82rem}.habits-progress-bar{height:8px;background:var(--bg3);border-radius:9px;overflow:hidden}.habits-progress-fill{display:block;height:100%;background:var(--accent)}

/* ---------- content sections ---------- */
.hero-how-row{display:grid;grid-template-columns:minmax(0,1fr);gap:10px;margin:0 0 22px}
.hero-step{display:grid;grid-template-columns:36px minmax(0,1fr);column-gap:12px;align-items:center;padding:12px;border:1px solid var(--br);border-radius:var(--r3);background:var(--bg2)}
.hero-step-num{grid-row:span 2;width:32px;height:32px;border-radius:50%;background:var(--btn);color:var(--btn-ink);display:flex;align-items:center;justify-content:center;font-weight:700}
.hero-step-label{font-weight:700}.hero-step-sub{color:var(--t2);font-size:.9rem}
.hero-step-arrow{display:none}
.hero-who,.advice-grid,.features-grid,.sleep-stages,.guide-grid,.tips-grid,.blog-grid,.related-grid,.related-search-grid,.event-hub-grid,.affiliate-grid,.hub-links,.thub-grid,.ehc-links,.paa-list{display:grid;gap:12px;grid-template-columns:repeat(auto-fit,minmax(min(100%,250px),1fr))}
.hero-who-card,.advice-card,.feature-card,.stage-card,.guide-card,.tip-card,.blog-card,.hm-card,.thub-card,.science-card,.paa-item,.faq-item,.qf-item,.event-hub-category,.hub-cluster,.thub-group{background:var(--bg2);border:1px solid var(--br);border-radius:var(--r3);padding:16px;color:var(--t1);text-decoration:none;min-width:0}
a.hero-who-card,a.advice-card,a.blog-card,a.thub-card{display:flex;gap:12px;align-items:flex-start}
a.hero-who-card:hover,a.advice-card:hover,a.blog-card:hover,a.thub-card:hover{border-color:var(--accent);box-shadow:var(--sh)}
.hero-who-icon,.advice-icon,.feature-icon,.guide-card-icon,.hx-ico{font-size:1.5rem;line-height:1;flex:none;color:var(--accent)}
.hero-who-icon .ic,.hx-ico .ic{width:24px;height:24px;fill:none;stroke:currentColor}
.hero-who-title,.advice-title,.stage-title{font-weight:700;color:var(--t1)}
.hero-who-desc,.advice-desc,.stage-desc,.feature-card p,.guide-card p,.tip-card p{color:var(--t2);font-size:.94rem;margin:4px 0 0}
.advice-link{color:var(--accent);font-weight:600;font-size:.9rem;margin-top:6px}
.stage-duration{color:var(--accent);font-weight:600;font-size:.85rem;margin-top:6px}
.science-card{display:grid;gap:14px;margin-bottom:14px}
.science-card h3 span{color:inherit!important;background:none!important;-webkit-text-fill-color:currentColor!important}
.tip-card{display:grid;grid-template-columns:34px minmax(0,1fr);gap:12px}
.tip-num{width:30px;height:30px;border-radius:50%;background:var(--btn);color:var(--btn-ink);display:flex;align-items:center;justify-content:center;font-weight:700}
.tip-h{font-size:1rem;margin:0 0 4px}
.guide-card-stat,.stat{margin-top:10px}.guide-stat-num,.stat-num{font:700 1.8rem/1 var(--fd);color:var(--accent)}.guide-stat-lbl,.stat-label{color:var(--t2);font-size:.85rem}
.guide-trust{display:grid;gap:8px;margin-top:16px}.guide-trust-item{display:flex;gap:8px;align-items:center;color:var(--t2);font-size:.9rem}
.guide-trust-item svg{flex:none;color:var(--accent)}
.hm-label{font-size:.78rem;color:var(--t3);font-weight:700}
.hm-strong{font-weight:700;color:var(--t1)}
.age-table,.hm-sec table{width:100%;border:1px solid var(--br);font-size:.94rem}
.hm-sec th,.hm-sec td{padding:10px 12px;border-bottom:1px solid var(--br);text-align:left;color:var(--t1)}
.hm-sec th{background:var(--bg3)}
.hm-sec .table-wrap,.hm-sec [role=region]{overflow-x:auto}
/* quick answers (classless blocks) */
#quick-answers .hm-wrap>div>div:last-of-type{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,260px),1fr));gap:10px}
/* faq */
.faq-list{display:grid;gap:8px}
.faq-item{padding:0}
.faq-q{display:flex;justify-content:space-between;align-items:center;gap:12px;width:100%;min-height:52px;padding:12px 16px;background:transparent;border:0;color:var(--t1);font:700 1rem/1.4 var(--fb);text-align:left;cursor:pointer}
.faq-icon{flex:none;font-weight:700;color:var(--accent)}
.faq-a{display:none;padding:0 16px 16px;color:var(--t2)}
.faq-item.open .faq-a{display:block}
.paa-item{padding:0}
.paa-q{display:flex;justify-content:space-between;gap:12px;width:100%;min-height:52px;padding:12px 16px;background:transparent;border:0;color:var(--t1);font:700 1rem/1.4 var(--fb);text-align:left;cursor:pointer}
.paa-a{display:none;padding:0 16px 16px;color:var(--t2)}.paa-item.open .paa-a{display:block}
.paa-wrap{display:grid;gap:18px}
/* chips and hubs */
.hub-chip,.ehc-chip,.thub-pill,.related-chip,.rs-chip{display:inline-flex;align-items:center;gap:6px;min-height:40px;padding:8px 12px;border:1px solid var(--br);border-radius:999px;background:var(--bg2);color:var(--t1);text-decoration:none;font-size:.9rem}
.hub-chip:hover,.ehc-chip:hover,.thub-pill:hover,.related-chip:hover,.rs-chip:hover{border-color:var(--accent);color:var(--accent)}
.hub-links,.ehc-links,.thub-pills,.related-search-grid{display:flex;flex-wrap:wrap;gap:8px}
.hub-cluster-title,.ehc-header,.thub-group-header{font-weight:700;margin-bottom:10px;display:flex;gap:8px;align-items:center}
.thub-heading{font-size:1.5rem}
.hx-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,250px),1fr));gap:12px}
.hx-card{display:flex;gap:12px;align-items:flex-start;padding:16px;border:1px solid var(--br);border-radius:var(--r3);background:var(--bg2);color:var(--t1);text-decoration:none}
.hx-card:hover{border-color:var(--accent)}
.hx-card b{display:block}.hx-card small{display:block;color:var(--t2);margin-top:2px}
.hm-browse{padding-top:12px;border-top:1px solid var(--br)}
.hm-browse-h{font-size:1.5rem;margin:28px 0 0}
/* blog */
.blog-card{display:grid;gap:10px;align-content:start}
.blog-card-img{display:none}
.blog-tag{font-size:.8rem;font-weight:700;color:var(--accent)}
.blog-title{font:700 1.05rem/1.35 var(--fd);color:var(--t1)}
.blog-excerpt{color:var(--t2);font-size:.92rem}
.blog-meta{color:var(--t3);font-size:.82rem;display:flex;gap:10px;flex-wrap:wrap}
.blog-read-btn{color:var(--accent);font-weight:600}
.share-bar{display:flex;flex-wrap:wrap;gap:8px;align-items:center;margin-top:18px}
.share-btn{min-height:40px;padding:8px 14px;border:1px solid var(--br);border-radius:999px;background:var(--bg2);color:var(--t1);text-decoration:none;font-weight:600;cursor:pointer}
.inline-cta,.cta-section .container{padding:20px;border:1px solid var(--br);border-radius:var(--r4);background:var(--accent-soft)}
.cta-btn,.inline-cta-btn,.hx-cta{display:inline-flex;align-items:center;min-height:46px;padding:10px 20px;border-radius:12px;background:var(--btn);color:var(--btn-ink)!important;font-weight:700;text-decoration:none}
/* ads */
.hm-sec+.bsc-ad,.bsc-ad{margin:28px auto!important}
/* ---------- floating helpers ---------- */
#sleep-bot-trigger{position:fixed;right:14px;bottom:calc(14px + env(safe-area-inset-bottom));z-index:900;display:flex;align-items:center;gap:8px;min-height:48px;padding:0 16px 0 12px;border:1px solid var(--accent-line);border-radius:999px;background:var(--btn);color:var(--btn-ink);font:700 .92rem/1 var(--fb);box-shadow:var(--sh-lg);cursor:pointer}
#sleep-bot-trigger .bot-trigger-label{display:none}
@media(min-width:700px){#sleep-bot-trigger .bot-trigger-label{display:inline}}
#sleep-bot-window{display:none;position:fixed;z-index:1000;right:12px;left:12px;bottom:12px;max-height:min(78vh,620px);flex-direction:column;background:var(--bg2);color:var(--t1);border:1px solid var(--br);border-radius:var(--r4);box-shadow:var(--sh-lg);overflow:hidden}
#sleep-bot-window.open{display:flex}
@media(min-width:700px){#sleep-bot-window{left:auto;width:380px}}
.bot-shimmer-bar{display:none}
.bot-header{display:flex;justify-content:space-between;align-items:center;gap:8px;padding:12px 14px;border-bottom:1px solid var(--br);background:var(--bg3)}
.bot-header-left{display:flex;gap:10px;align-items:center;min-width:0}
.bot-avatar{font-size:1.4rem}.bot-name{font-weight:700}.bot-status{font-size:.78rem;color:var(--t2)}.bot-online-dot{display:none}
.bot-header-right{display:flex;gap:6px}
.bot-hdr-btn{width:40px;height:40px;border:1px solid var(--br);border-radius:10px;background:var(--bg2);color:var(--t1);cursor:pointer;display:flex;align-items:center;justify-content:center}
.bot-messages{flex:1;min-height:140px;overflow-y:auto;padding:12px;display:flex;flex-direction:column;gap:8px}
.bot-msg{display:flex}.bot-msg.user{justify-content:flex-end}
.bot-bubble{max-width:88%;padding:9px 12px;border-radius:14px;background:var(--bg3);color:var(--t1);font-size:.93rem;line-height:1.5}
.bot-msg.user .bot-bubble{background:var(--btn);color:var(--btn-ink)}
.bot-quick-prompts{display:flex;gap:6px;overflow-x:auto;padding:8px 12px;border-top:1px solid var(--br)}
.bot-quick{flex:none;min-height:40px;padding:6px 12px;border:1px solid var(--br);border-radius:999px;background:var(--bg);color:var(--t1);font-size:.85rem;cursor:pointer;white-space:nowrap}
.bot-input-row{display:flex;gap:8px;padding:10px 12px;border-top:1px solid var(--br)}
.bot-input{flex:1;min-width:0;resize:none;padding:10px 12px;font-size:1rem}
.bot-send-btn{width:46px;min-height:46px;border:0;border-radius:12px;background:var(--btn);color:var(--btn-ink);cursor:pointer;display:flex;align-items:center;justify-content:center}
.bot-note{padding:6px 12px 10px;font-size:.76rem;color:var(--t3)}
#alarm-bar{display:none;position:fixed;left:12px;right:12px;top:calc(var(--hdr) + 8px);z-index:950;padding:8px 12px;border:1px solid var(--br);border-radius:var(--r3);background:var(--bg2);color:var(--t1);box-shadow:var(--sh-md);gap:8px;align-items:center;flex-wrap:wrap}
#alarm-bar.show{display:flex}
.alarm-tag{padding:4px 10px;border-radius:999px;background:var(--bg3);cursor:pointer}
.modal-overlay{display:none;position:fixed;inset:0;z-index:1100;background:rgba(10,20,48,.6);align-items:center;justify-content:center;padding:16px}
.modal-overlay.open,.modal-overlay.show{display:flex}
.modal{position:relative;width:100%;max-width:420px;max-height:90vh;overflow:auto;padding:22px 18px;border-radius:var(--r4);background:var(--bg2);color:var(--t1);border:1px solid var(--br);box-shadow:var(--sh-lg)}
.modal-close{position:absolute;right:10px;top:10px;width:40px;height:40px;border:1px solid var(--br);border-radius:10px;background:var(--bg);color:var(--t1);cursor:pointer}
.modal-time{display:block;font:700 2rem/1.2 var(--fd);margin:6px 0}
.modal-sub,.modal-note{color:var(--t2);font-size:.9rem}
.modal-actions{display:grid;gap:8px;margin:14px 0}
.modal-action-btn{display:flex;gap:10px;align-items:center;min-height:52px;padding:10px 14px;border:1px solid var(--br);border-radius:var(--r3);background:var(--bg);color:var(--t1);text-decoration:none;cursor:pointer;font:inherit}
.modal-action-btn.primary{background:var(--btn);color:var(--btn-ink);border-color:var(--btn)}
.alarm-ring{display:none;position:fixed;inset:0;z-index:1200;background:var(--bg);color:var(--t1);flex-direction:column;align-items:center;justify-content:center;gap:12px;text-align:center;padding:24px}
.alarm-ring.show,.alarm-ring.ringing{display:flex}
.ring-time{font:700 3rem/1.1 var(--fd)}.ring-dismiss{min-height:50px;padding:10px 24px;border:0;border-radius:12px;background:var(--btn);color:var(--btn-ink);font-weight:700;cursor:pointer}
#backTop{position:fixed;left:14px;bottom:calc(14px + env(safe-area-inset-bottom));z-index:890;width:44px;height:44px;border-radius:50%;border:1px solid var(--br);background:var(--bg2);color:var(--t1);cursor:pointer;display:none}
#backTop.show{display:block}
.toast{position:fixed;left:50%;bottom:76px;transform:translateX(-50%);z-index:1300;max-width:calc(100vw - 32px);padding:10px 16px;border-radius:12px;background:var(--t1);color:var(--bg);font-weight:600;display:none}
.toast.show{display:block}
#cookie-banner{display:none;position:fixed;left:12px;right:12px;bottom:76px;z-index:980;padding:14px 16px;border:1px solid var(--br);border-radius:var(--r4);background:var(--bg2);color:var(--t1);box-shadow:var(--sh-lg);gap:12px;flex-direction:column;max-width:560px}
#cookie-banner.show{display:flex}
.cookie-text{font-size:.9rem;color:var(--t2)}
.cookie-actions{display:flex;gap:8px;flex-wrap:wrap}
.cookie-btn{min-height:44px;padding:8px 16px;border-radius:999px;border:1px solid var(--br);background:var(--bg);color:var(--t1);font-weight:700;cursor:pointer}
.cookie-btn.accept{background:var(--btn);color:var(--btn-ink);border-color:var(--btn)}
/* header language grid (calculator languages) */
.bsc-lang-menu--grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:2px;min-width:240px;max-height:70vh;overflow:auto}
.bsc-lang-menu--grid[hidden]{display:none}
.bsc-lang-menu--grid li{list-style:none}
.bsc-lang-menu--grid .lpb{width:100%;min-height:40px;text-align:left;padding:6px 10px;border:0;border-radius:8px;background:transparent;color:var(--t1);cursor:pointer}
.bsc-lang-menu--grid .lpb:hover,.bsc-lang-menu--grid .lpb.active{background:var(--accent-soft)}
.bsc-lang-menu--grid .bsc-lang-note,.bsc-lang-menu--grid .bsc-lang-sep,.bsc-lang-menu--grid li:has(a){grid-column:1/-1}
.bsc-lang-note{font-size:.78rem;color:var(--t3);padding:4px 10px}
/* collapsible link hubs */
.hm-fold{padding:0;background:transparent!important}
.hm-details{border-top:1px solid var(--br)}
.hm-details>summary{display:flex;justify-content:space-between;align-items:center;gap:12px;min-height:60px;padding:14px 0;cursor:pointer;list-style:none;font:700 1.15rem/1.3 var(--fd);color:var(--t1)}
.hm-details>summary::-webkit-details-marker{display:none}
.hm-details>summary h2,.hm-details>summary h3{margin:0;font-size:inherit;font-family:inherit}
.hm-details>summary::after{content:"+";flex:none;width:32px;height:32px;border:1px solid var(--br);border-radius:50%;display:flex;align-items:center;justify-content:center;color:var(--accent)}
.hm-details[open]>summary::after{content:"\2212"}
.hm-fold-body{padding:4px 0 28px}
.hm-fold-body .section,.hm-fold-body .container{padding:0}
.blog-excerpt{display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
@media(min-width:760px){
  .hm-sec{padding:60px 0}
  .hero-how-row{grid-template-columns:1fr auto 1fr auto 1fr}
  .hero-step-arrow{display:flex;align-items:center;color:var(--t3)}
  .calc-card,.debt-tracker,.quiz-wrap,.baby-panel,.travel-panel{padding:26px 24px}
  .sleep-score-panel{grid-template-columns:auto 1fr;align-items:center}
  #cookie-banner{left:16px;right:auto;bottom:16px}
}
.comparison-table{min-width:780px}
.comparison-table th,.comparison-table td{vertical-align:top}
.comparison-table td:nth-child(5),.comparison-table td:nth-child(6){min-width:150px}

/* ---------- v19 refinement: type, rhythm, borders ---------- */
.hm-sec{padding:48px 0}
@media(min-width:760px){.hm-sec{padding:72px 0}}
.hm-sec>.hm-wrap>.container>h2:first-child,.hm-sec>.hm-wrap>h2:first-child{margin-top:0}
.hm-sec h2{font-size:clamp(1.55rem,1.2rem + 1.5vw,2.15rem);font-weight:800;letter-spacing:-.03em;line-height:1.15;margin:0 0 14px;max-width:26ch;text-wrap:balance}
.hm-sec h2+p,.hm-sec .section-desc{font-size:1.04rem;line-height:1.7;color:var(--t2);max-width:68ch;margin:0 0 28px}
.hm-sec h3{font-size:1.08rem;font-weight:700;letter-spacing:-.015em;line-height:1.3;margin:0 0 8px}
.hm-sec p{margin:0 0 1em;line-height:1.75;color:var(--t2);max-width:68ch}
.hm-sec li{color:var(--t2);line-height:1.7}
.hm-sec p:last-child{margin-bottom:0}
.hm-sec ul,.hm-sec ol{padding-left:1.25rem;margin:0 0 1em}
.hm-sec h3 .ic,.hm-sec h3 svg{vertical-align:-.15em}
/* one border language: 1px --br, 12px radius, no stacked shadows */
.hero-who-card,.advice-card,.feature-card,.stage-card,.guide-card,.tip-card,.blog-card,.hm-card,.thub-card,.science-card,.paa-item,.faq-item,.qf-item,.event-hub-category,.hub-cluster,.thub-group,.hx-card,.nap-card,.time-card,.baby-stat,.spo-sum-card,.sr-expect-item,.sr-cycle-item{border:1px solid var(--br);border-radius:var(--r3);background:var(--bg2);box-shadow:none}
.hm-sec:nth-of-type(even) .hero-who-card,.hm-sec:nth-of-type(even) .advice-card{background:var(--bg2)}
.calc-card,.debt-tracker,.sleep-score-panel,.comparison-table-wrap,.daily-plan-wrap,.sr-panel,.sleep-plan-output,.quiz-wrap{border:1px solid var(--br);border-radius:var(--r4);background:var(--bg2);box-shadow:var(--sh)}
.sr-panel,.sleep-plan-output{box-shadow:none;border-color:var(--br)}
.science-card,.guide-card,.stage-card{padding:20px}
.hm-sec .hm-card h3,.hm-sec .hm-card .hm-strong{margin-bottom:6px}
.hm-sec table,.age-table{border-collapse:separate;border-spacing:0;border:1px solid var(--br);border-radius:var(--r3);overflow:hidden;width:100%;background:var(--bg2)}
.hm-sec th,.hm-sec td{padding:12px 16px;border:0;border-bottom:1px solid var(--br);text-align:left;vertical-align:top}
.hm-sec tr:last-child td{border-bottom:0}
.hm-sec th{background:var(--bg3);font-weight:700;font-size:.9rem;color:var(--t1)}
.comparison-table-scroll{border:1px solid var(--br);border-radius:var(--r3);background:var(--bg2)}
.comparison-table-scroll table{border:0;border-radius:0}
/* card text rhythm */
.advice-card,.hero-who-card{align-items:flex-start;gap:14px}
.advice-body,.hero-who-card>div{min-width:0}
.advice-title,.hero-who-title,.stage-title,.tip-h{font-size:1.02rem;margin:0 0 4px;line-height:1.35}
.advice-desc,.hero-who-desc{margin:0;line-height:1.6}
.hero-who,.advice-grid,.features-grid,.sleep-stages,.guide-grid,.tips-grid,.blog-grid{align-items:stretch}
.feature-card .feature-icon,.guide-card-icon{display:block;margin-bottom:10px}
.feature-card h3,.guide-card h3{margin-top:0}
.hero-step{background:var(--bg2)}
/* calculator polish */
.calc-title{font-size:1.4rem;font-weight:800;letter-spacing:-.025em}
.time-input-group>label,.slider-label{font-size:.95rem}
.time-select{background-color:var(--field)}
.calc-btn{border-radius:12px;box-shadow:none;letter-spacing:-.005em}
.time-big{font-family:var(--fb);font-weight:800;letter-spacing:-.03em;font-variant-numeric:tabular-nums}
.sleep-row-track,.cycle-chart{border-radius:8px}
/* hero */
.hm-hero h1{font-weight:800;letter-spacing:-.035em}
.hm-tagline{font-size:1.12rem;font-weight:600;max-width:34ch}
.hm-lead{font-size:1.02rem;line-height:1.7}
.hm-proof li{line-height:1.5}
/* faq */
.faq-item,.paa-item{overflow:hidden}
.faq-q,.paa-q{font-size:1rem;letter-spacing:-.01em}
.faq-a,.paa-a{line-height:1.75;border-top:1px solid var(--br);padding-top:14px}
.hm-hero h1{font-weight:750;font-size:clamp(1.9rem,1.3rem + 2.4vw,2.85rem)}
.tabs{-webkit-mask-image:linear-gradient(90deg,#000 calc(100% - 28px),transparent);mask-image:linear-gradient(90deg,#000 calc(100% - 28px),transparent)}
@media(min-width:760px){.tabs{flex-wrap:wrap;overflow:visible;-webkit-mask-image:none;mask-image:none}}
.spo-event{grid-template-columns:100px 28px minmax(0,1fr)}
.spo-time{white-space:nowrap}
.daily-plan-wrap .sleep-plan-output{border:0;padding:0;background:none}
.sleep-plan-output .spo-event:last-child{border-bottom:0}
.sr-score-grade{color:var(--t1)!important;font-weight:700}
.sleep-row-track{overflow:hidden;min-width:0}.cycle-chart,.sleep-row{min-width:0}
/* v19.1 homepage alignment fixes */
.hm-dot{display:inline-block;width:8px;height:8px;border-radius:50%;background:var(--accent);flex:none}
.hm-sec h2{max-width:none}
.hero-stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,150px),1fr));gap:10px;margin:18px 0 24px}
.hero-stats .stat{margin:0;padding:14px 16px;border:1px solid var(--br);border-radius:var(--r3);background:var(--bg2);text-align:center}
.hero-stats .stat-num,.hero-stats .stat-label{display:block}
.science-card>div[style*="flex-wrap"]{align-items:stretch}
.science-card>div[style*="flex-wrap"]>div{flex:1 1 280px;min-width:0}
.science-card>div[style*="flex-wrap"]>.hm-card{flex:0 1 220px;display:flex;flex-direction:column;justify-content:center;align-items:center}
.science-card h3 .kw{color:inherit}
#quick-answers .hm-wrap>div>div:last-of-type{grid-template-columns:repeat(auto-fit,minmax(min(100%,260px),1fr))!important}
@media (max-width:620px){.science-card>div[style*="flex-wrap"]>.hm-card{flex:1 1 100%}}
.guide-card h3 em,.guide-card h3 i,.guide-card-title em{font-style:normal;color:var(--accent)}