/* Countdown Authority v0.4.40 — unified visual design system. Image-free, lightweight. */
:root{--bg:#f7f8fc;--paper:#fff;--surface:#f4f6fb;--ink:#14213b;--text:#3c4a61;--muted:#64738b;--faint:#8190a5;--line:#e4e9f2;--line-strong:#cbd5e5;--accent:#365ef5;--accent-strong:#2447c9;--accent-soft:#eef2ff;--warm:#566b8c;--radius:14px;--radius-lg:22px;--shadow:0 16px 50px rgba(31,52,102,.07);--sans:ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Arial,sans-serif;--serif:var(--sans)}
html{scroll-padding-top:90px}body.cae-body{background:var(--bg);color:var(--text);font:15px/1.68 var(--sans);letter-spacing:-.007em}body.cae-body::selection{background:#dce5ff;color:var(--ink)}
.wrap{width:min(1160px,calc(100% - 52px))}h1,h2,h3,h4{color:var(--ink);font-family:var(--sans);overflow-wrap:break-word}h1{font-weight:790;font-size:clamp(37px,4.5vw,59px);line-height:1.12;letter-spacing:-.052em}h2{font-size:clamp(25px,2.8vw,34px);line-height:1.19;font-weight:760;letter-spacing:-.043em}h3{font-size:19px;line-height:1.35;font-weight:740;letter-spacing:-.025em}p{line-height:1.77}a{color:var(--accent-strong)}a:hover{color:#1739b8}a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,summary:focus-visible{outline:3px solid #a0b5ff;outline-offset:3px}
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.95);border-bottom:1px solid #e8edf5;backdrop-filter:blur(15px)}.header-inner{height:72px;gap:18px}.brand{gap:10px;color:var(--ink);font-weight:800;letter-spacing:-.035em}.brand img{width:36px;height:36px}.brand span{font-size:17px}.main-nav{gap:3px}.main-nav a{padding:10px 13px;border-radius:10px;color:#536179;font-size:13px;font-weight:670;transition:background .15s,color .15s}.main-nav a:hover{background:#eff3ff;color:var(--accent-strong)}.nav-toggle{border-radius:10px;border:1px solid var(--line-strong);color:var(--ink);font-weight:700}
.content-wrap{padding-top:28px;padding-bottom:100px}.breadcrumbs{margin:0 0 25px;font-size:12px;color:#77859c}.breadcrumbs a{color:#5f6f87}.breadcrumbs li+li:before{color:#b2bdd0;margin:0 10px}.kicker{display:inline-flex;align-items:center;gap:8px;margin-bottom:14px;font-size:10px;line-height:1.5;font-weight:800;letter-spacing:.14em;text-transform:uppercase;color:var(--accent-strong)}.kicker:before{content:"";width:6px;height:6px;border-radius:50%;background:var(--accent)}.hero-lede{max-width:730px;margin-top:17px;color:#586981;font-size:16px;line-height:1.78}.page-hero{padding:25px 0 40px;max-width:100%}.page-hero h1{max-width:890px;text-wrap:balance}.page-hero .hero-lede{max-width:760px}.hero-answer{margin:25px 0 0;font-size:clamp(20px,2.3vw,27px);line-height:1.4;color:#364b70}.hero-answer strong{color:var(--ink);font-weight:810;letter-spacing:-.045em}.page-hero:not(.exact-date-hero) .hero-answer{display:inline-block;border:1px solid #dbe4fc;background:#f1f5ff;border-radius:15px;padding:17px 22px}
/* Homepage — one dominant task, supporting information below it. */
.home-hero{display:grid;grid-template-columns:minmax(0,1fr);gap:0;padding:32px 0 0;border:0;align-items:stretch}.hero-copy{position:relative;padding:clamp(26px,4.3vw,58px);border:1px solid #e0e7f7;border-radius:26px;background:linear-gradient(125deg,#fff 22%,#f5f7ff 80%,#eaf0ff);overflow:visible;box-shadow:0 18px 60px rgba(42,67,129,.055)}.hero-copy:after{content:"";position:absolute;width:180px;height:180px;right:0;top:0;pointer-events:none;opacity:.34;background:radial-gradient(circle at top right,#aec0ff,transparent 70%);border-top-right-radius:26px}.hero-copy>*{position:relative;z-index:1}.home-hero h1{max-width:840px;font-size:clamp(38px,5.6vw,66px);line-height:1.09;letter-spacing:-.06em}.hero-copy .hero-lede{max-width:690px;font-size:16px;line-height:1.74;margin-top:19px}.hero-tools{display:grid;grid-template-columns:1fr 1fr;gap:14px;max-width:890px;margin-top:30px}.hero-tools form{padding:18px;background:#fff;border:1px solid #dce4f1;border-radius:16px;box-shadow:0 7px 24px rgba(51,71,120,.035)}.hero-tools label,.calculator-card label,.inline-time-tool label{color:#3d4c65;font-size:12px;font-weight:740;letter-spacing:0;margin-bottom:9px}.hero-tools form>div{gap:8px}.hero-tools input{min-width:0}.hero-search-wrap{margin-top:15px;max-width:890px}.event-search input{border-radius:13px;min-height:52px;padding:0 16px;background:#fff;border-color:#dce4f1}.search-results{border-radius:12px;box-shadow:0 15px 40px rgba(23,40,75,.14)}
.hero-index{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:11px;margin:17px 0 0;background:transparent;border:0;padding:0}.hero-index>div{display:flex;flex-direction:column;min-width:0;gap:4px;padding:16px 19px;border:1px solid var(--line);border-radius:15px;background:#fff}.hero-index>div:last-child{border-bottom:1px solid var(--line)}.hero-index span{font-size:11px;color:#718098;font-weight:690}.hero-index strong{font:790 clamp(20px,2.4vw,28px)/1.25 var(--sans);color:var(--ink);letter-spacing:-.048em;font-variant-numeric:tabular-nums}.hero-index small{font-size:11px;color:#8a96aa}
.section{margin-top:64px}.compact-section{margin-top:47px}.section-head{align-items:flex-end;gap:15px;margin-bottom:22px}.section-head h2{max-width:800px}.section-head>a{display:inline-flex;align-items:center;min-height:36px;font-size:12px;font-weight:750;color:var(--accent-strong);text-decoration:none;white-space:nowrap}.section-head>a:hover{text-decoration:underline}
.tool-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px;border:0}.tool-card{display:flex;flex-direction:column;min-width:0;min-height:260px;padding:25px 23px;border:1px solid var(--line);border-radius:18px;background:#fff;box-shadow:0 7px 25px rgba(30,50,85,.025);transition:transform .17s,box-shadow .17s,border-color .17s}.tool-card:hover{transform:translateY(-3px);border-color:#bccbfa;box-shadow:0 18px 45px rgba(29,52,120,.1)}.tool-index{display:inline-flex;justify-content:center;align-items:center;width:39px;height:39px;margin-bottom:29px;background:#eef2ff;border:1px solid #e1e8ff;color:var(--accent-strong);border-radius:11px;font:780 12px var(--sans)}.tool-card h3{font-size:19px;letter-spacing:-.035em}.tool-card p{margin:10px 0 17px;font-size:13px;line-height:1.75;color:#697790}.tool-card .text-link{margin-top:auto;color:var(--accent-strong);font-size:12px;font-weight:780}
.event-grid{grid-template-columns:repeat(4,minmax(0,1fr));gap:13px}.event-card{padding:21px;min-height:171px;border:1px solid var(--line);border-radius:16px;background:#fff}.event-card:hover{transform:translateY(-2px);border-color:#bfcbfa;box-shadow:0 13px 35px rgba(35,58,110,.08)}.event-card .card-kicker{font-size:10px;letter-spacing:.09em}.event-card strong{font-size:15px;line-height:1.45}.event-card .card-meta{border-top:1px solid var(--line);font-size:11px}.month-grid{display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:12px;border:0}.month-link{min-width:0;min-height:104px;border:1px solid var(--line);background:#fff;border-radius:14px;padding:17px;transition:background .15s,border-color .15s}.month-link:hover{background:#f4f7ff;border-color:#b8cafa}.month-link span{color:#8390a4;font:760 11px var(--sans)}.month-link strong{font-size:14px;color:var(--ink)}.year-links,.time-links{gap:9px}.year-links a,.time-links a{border-radius:10px;padding:11px 15px;background:#fff;border-color:var(--line);color:#394b67}.year-links a:hover,.time-links a:hover{background:var(--accent-soft);border-color:#b6c8ff}
/* Large answer hero and readable figures */
.exact-date-hero{max-width:none;margin:0 0 20px;padding:clamp(25px,4.5vw,52px);border:1px solid #dbe4f8;border-radius:25px;background:linear-gradient(120deg,#fff 0%,#f3f6ff 100%);box-shadow:0 18px 50px rgba(29,54,120,.045)}.exact-date-hero h1{max-width:960px;font-size:clamp(33px,4.2vw,54px)}.exact-date-hero .hero-answer{display:block;margin-top:22px;color:var(--accent-strong);font-size:18px}.exact-date-hero .hero-answer strong{display:block;font-size:clamp(27px,3.9vw,47px);line-height:1.18;color:var(--ink);font-weight:800;letter-spacing:-.055em}.exact-date-hero .hero-lede{font-size:15px;max-width:710px;margin-top:16px}.date-hero-actions{gap:10px;margin-top:25px}.date-hero-actions a,.date-hero-actions button{min-height:45px;border-radius:11px;padding:10px 17px;font-size:12px;font-weight:750}.date-hero-actions button{background:var(--accent);border-color:var(--accent);color:#fff}.date-hero-actions button:hover{background:var(--accent-strong)}.date-hero-actions a{border:1px solid #cbd7f0;background:#fff;color:var(--accent-strong)}.date-hero-actions a:hover{background:#f0f4ff}
.answer-panel,.time-answer-card,.calculator-card,.note-section{border:1px solid var(--line);border-radius:19px;background:#fff;box-shadow:0 8px 29px rgba(32,51,89,.025)}.answer-panel{padding:clamp(20px,3vw,36px)}.answer-panel-top{gap:18px;padding-bottom:20px;border-color:var(--line)}.answer-panel-top h2{font-size:clamp(22px,2.5vw,30px)}.calculation-badge,.local-zone{background:#f4f7fc;color:#64738b;border:1px solid var(--line);padding:7px 10px;border-radius:9px;font-size:11px}.metric-grid{border:0;gap:12px}.metric-grid>div{padding:21px 17px;border:1px solid var(--line);border-radius:13px;background:#f7f9fe;min-width:0}.metric-grid strong{font:810 clamp(23px,2.6vw,36px)/1.18 var(--sans);letter-spacing:-.055em;color:var(--ink);overflow-wrap:anywhere;text-overflow:clip}.metric-grid span{font-size:10px;letter-spacing:.07em;color:#728098;line-height:1.5}.panel-note{font-size:12px;line-height:1.75;margin-top:20px}
.split-section{gap:15px;background:none;border:0}.split-section>div,.split-section>div+div{padding:27px;border:1px solid var(--line);border-radius:18px;background:#fff}.split-section>div+div{border-left:1px solid var(--line)}.split-section h2{font-size:25px}.split-section p,.section>p{max-width:870px;color:#596982;line-height:1.82}.fact-grid{gap:11px;border:0}.fact-grid>div{padding:21px;border:1px solid var(--line);background:#fff;border-radius:14px}.fact-grid dt{font-size:11px;line-height:1.5;color:#73819a}.fact-grid dd{font-size:17px;font-weight:740;color:var(--ink)}
.glance-layout{gap:16px}.glance-calendar,.glance-description{padding:clamp(19px,2.7vw,31px);border:1px solid var(--line);border-radius:18px;background:#fff}.glance-description{background:#f2f5ff}.glance-description>strong{color:var(--ink);font-size:clamp(23px,2.7vw,34px)}.calendar-days>a{border-radius:9px;font-weight:680}.calendar-days>a:hover{background:#edf2ff;border-color:#b9c9f8}.calendar-days>a.is-selected{background:var(--accent);border-color:var(--accent);color:#fff}.glance-jump input{border-radius:10px;border-color:var(--line-strong)}.glance-jump button{border-radius:10px;background:var(--accent)}
/* Unified forms, lists, directories, supporting content */
input[type="date"],input[type="time"],input[type="search"],input[type="number"],input[type="text"],select{max-width:100%;min-width:0;min-height:46px;border:1px solid var(--line-strong);border-radius:10px;background:#fff;color:var(--ink);padding:10px 13px;font-family:var(--sans);font-size:14px;outline:none}input:focus,select:focus{border-color:#829ef6;box-shadow:0 0 0 4px rgba(54,94,245,.09)}button,.button{border-radius:10px;min-height:45px;padding:9px 16px;font-size:13px;font-weight:730;white-space:normal;transition:background .15s,box-shadow .15s}.button.primary,.hero-tools button,.inline-time-tool button,.calculator-card button,.directory-search button{background:var(--accent);border-color:var(--accent);color:#fff}.button.primary:hover,.hero-tools button:hover,.inline-time-tool button:hover,.calculator-card button:hover,.directory-search button:hover{background:var(--accent-strong)}.calculator-grid{gap:15px}.calculator-card{padding:25px}.calculator-card h2{font-size:23px}.calculator-card form{gap:10px}.calculator-card p{font-size:13px;color:#687790;line-height:1.75}.inline-time-tool{border-radius:15px;padding:18px}.directory-search{gap:10px}.year-grid,.month-card-grid,.day-grid,.time-directory{gap:10px;border:0}.year-card,.month-card,.day-card,.time-directory a{min-width:0;background:#fff;border:1px solid var(--line);border-radius:12px;transition:background .15s,border-color .15s}.year-card:hover,.month-card:hover,.day-card:hover,.time-directory a:hover{background:#f3f6ff;border-color:#bbcafa}.time-directory a{padding:13px 9px;font-weight:680}.annual-date-list{border:0;gap:12px}.annual-date-list li{border:1px solid var(--line);border-radius:14px;padding:20px;background:#fff}.date-list{gap:10px}.date-list>*{border-radius:12px}.faq-list details{border:1px solid var(--line);border-radius:13px;background:#fff;padding:19px 21px;margin-bottom:10px}.faq-list summary{font-size:14px;color:var(--ink);font-weight:740}.faq-list details p{font-size:14px;color:#62728a;line-height:1.76}.prose{max-width:850px;background:#fff;border:1px solid var(--line);border-radius:18px;padding:clamp(23px,4vw,47px)}.prose h2{font-size:26px;margin:30px 0 14px}.prose h2:first-child{margin-top:0}.prose p,.prose li{line-height:1.85;color:#576780}.note-section{padding:clamp(19px,3vw,31px)}.authority-reference{background:#fff;border:1px solid var(--line);border-radius:17px}.notice{border-radius:12px}.adjacent-nav{gap:10px}.adjacent-nav a{min-width:0;border:1px solid var(--line);border-radius:12px;background:#fff;padding:16px}.time-answer-card{padding:25px}.time-answer-card h2{font-size:25px}.time-answer-card dl>div{min-width:0}.source-list{gap:12px}
.planner-section .section-head p{color:#65758c}.planner-grid{gap:14px}.planner-card,.planner-milestones{border:1px solid var(--line);border-radius:18px;box-shadow:0 8px 28px rgba(32,51,89,.025);background:#fff;padding:clamp(20px,2.7vw,28px)}.planner-card h3,.planner-milestones h3{color:var(--ink);font-size:21px;line-height:1.3}.planner-card label{color:#53637b}.planner-card input[type="date"],.planner-card input[type="text"]{border-color:var(--line-strong);border-radius:10px}.planner-card form button{background:var(--accent);border-radius:10px}.planner-card form button:hover{background:var(--accent-strong)}.planner-check input{accent-color:var(--accent)}.planner-result{border:1px solid #dce6ff;background:#f2f5ff;color:#274393;border-radius:12px}.planner-hint,.planner-milestones p{color:#697991}.planner-actions a,.planner-actions button{border-radius:10px;border:1px solid #ccd8fa;background:#f1f5ff;color:#2347a9}.planner-actions a:hover,.planner-actions button:hover{background:#e4ebff}
.site-footer{background:#edf1f8;border-top:1px solid #dde5f1}.footer-grid{padding:56px 0 43px;gap:30px}.footer-grid p{color:#6a7891;font-size:13px;line-height:1.75}.footer-grid strong{font-size:13px;font-weight:800;color:var(--ink)}.footer-grid>div>a:not(.brand){color:#5d6c83;font-size:13px;line-height:1.85}.footer-grid>div>a:not(.brand):hover{color:var(--accent-strong)}.footer-bottom{padding:18px 0 26px;border-top:1px solid #d9e2ef;color:#7c889c;font-size:11px}
@media(max-width:980px){.tool-grid,.event-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.month-grid{grid-template-columns:repeat(4,minmax(0,1fr))}.hero-index{grid-template-columns:repeat(4,minmax(0,1fr))}.home-hero{grid-template-columns:1fr}.glance-layout{grid-template-columns:1fr 1fr}}
@media(max-width:760px){.wrap{width:min(100% - 34px,1160px)}.header-inner{height:65px}.main-nav{position:absolute;left:16px;right:16px;top:70px;display:none;flex-direction:column;align-items:stretch;gap:2px;padding:8px;border:1px solid var(--line);border-radius:14px;background:#fff;box-shadow:0 20px 40px rgba(25,42,90,.12)}.main-nav.is-open{display:flex}.main-nav a{min-height:45px;display:flex;align-items:center}.nav-toggle{display:inline-flex;min-width:67px;min-height:42px}.content-wrap{padding:24px 0 72px}.home-hero{padding-top:16px}.hero-copy{padding:33px 26px}.home-hero h1{font-size:clamp(35px,7vw,51px)}.hero-tools{grid-template-columns:1fr 1fr}.hero-index{grid-template-columns:repeat(2,minmax(0,1fr))}.section{margin-top:49px}.glance-layout,.split-section,.calculator-grid,.time-answer-grid,.authority-reference,.planner-grid,.planner-milestones{grid-template-columns:1fr}.split-section>div+div{border-left:1px solid var(--line)}.month-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.tool-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.metric-grid-5{grid-template-columns:repeat(3,minmax(0,1fr))}.metric-grid-5>div:last-child{grid-column:auto}.annual-date-list{grid-template-columns:repeat(2,minmax(0,1fr))}.footer-grid{grid-template-columns:1fr 1fr}.footer-grid>div:first-child{grid-column:1/-1}}
@media(max-width:540px){body.cae-body{font-size:14px}.wrap{width:min(100% - 28px,1160px)}.brand span{max-width:190px;font-size:15px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.brand img{width:33px;height:33px}.page-hero{padding:16px 0 27px}.page-hero h1,h1{font-size:clamp(31px,8.2vw,40px);line-height:1.12}.hero-lede,.hero-copy .hero-lede{font-size:14px;line-height:1.76}.home-hero h1{font-size:clamp(33px,9vw,43px)}.hero-copy{padding:27px 20px;border-radius:19px}.hero-copy:after{display:none}.hero-tools{grid-template-columns:1fr;gap:10px;margin-top:23px}.hero-tools form{padding:15px}.hero-tools form>div,.inline-time-tool>div{grid-template-columns:minmax(0,1fr) auto}.hero-tools button{padding:8px 12px;font-size:12px}.event-search input{min-height:48px}.hero-index{gap:9px;margin-top:11px}.hero-index>div{padding:14px 12px;border-radius:12px}.hero-index strong{font-size:22px}.hero-index small{font-size:10px}.section{margin-top:43px}.section-head{align-items:flex-start}.section-head h2{font-size:25px}.section-head>a{display:inline-flex;font-size:11px;white-space:normal;text-align:right}.tool-grid,.event-grid{grid-template-columns:1fr;gap:10px}.tool-card{min-height:0;padding:20px}.tool-index{margin-bottom:17px}.tool-card h3{font-size:18px}.tool-card p{margin-bottom:14px}.event-card{min-height:120px;padding:17px}.event-card strong{font-size:15px}.event-card .card-meta{margin-top:12px;padding-top:9px}.month-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:8px}.month-link{min-height:83px;padding:13px 11px}.month-link strong{font-size:12px}.year-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.month-card-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.day-grid{grid-template-columns:repeat(4,minmax(0,1fr))}.time-directory{grid-template-columns:repeat(3,minmax(0,1fr))}.exact-date-hero{padding:26px 20px;border-radius:18px}.exact-date-hero h1{font-size:clamp(30px,8vw,39px)}.exact-date-hero .hero-answer strong{font-size:clamp(27px,7vw,34px)}.date-hero-actions{display:grid;grid-template-columns:1fr;gap:8px}.date-hero-actions a,.date-hero-actions button{width:100%}.answer-panel{padding:20px 16px}.answer-panel-top{display:block}.answer-panel-top h2{font-size:23px}.local-zone{display:inline-flex;margin-top:10px}.metric-grid-4,.metric-grid-5{grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}.metric-grid-5>div:last-child{grid-column:1/-1}.metric-grid>div{padding:15px 13px}.metric-grid strong{font-size:clamp(22px,6vw,29px)}.metric-grid span{font-size:10px}.split-section>div,.split-section>div+div{padding:21px}.fact-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}.fact-grid>div{padding:14px}.fact-grid dd{font-size:14px}.glance-calendar,.glance-description{padding:17px}.calendar-days,.calendar-weekdays{gap:3px}.glance-jump>div{flex-direction:column}.glance-jump button{min-height:45px}.annual-date-list{grid-template-columns:1fr}.calculator-card{padding:19px}.calculator-card form,.directory-search{grid-template-columns:1fr}.calculator-card button,.directory-search button{width:100%}.planner-card form{grid-template-columns:1fr}.prose{padding:22px 19px}.footer-grid{grid-template-columns:1fr;padding:40px 0 25px}.footer-grid>div:first-child{grid-column:auto}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{animation:none!important;transition:none!important}}