/* Velour Trends — design system (UI/UX Pro Max: Minimalism & Swiss Style, navy/blue + green CTA, Outfit/Work Sans) */
:root{
  --color-primary:#1e3a5f;--color-primary-2:#162d4a;--color-secondary:#2563eb;--color-secondary-ink:#1d4ed8;--color-secondary-soft:#eef3ff;
  --color-accent:#047857;--color-accent-ink:#065f46;
  --color-background:#f8fafc;--color-card:#fff;--color-muted:#f1f3f5;
  --color-foreground:#0f172a;--color-text:#334155;--color-muted-fg:#475569;--color-border:#e4e7eb;--color-border-2:#cbd2da;
  --color-destructive:#dc2626;--color-ring:#2563eb;
  --on-dark:#e2e8f0;--on-dark-muted:#a9b8cc;
  --radius:14px;--radius-md:12px;--radius-sm:10px;
  --shadow:0 1px 2px rgba(15,23,42,.04),0 6px 20px rgba(15,23,42,.05);
  --shadow-lg:0 20px 48px rgba(15,23,42,.16);
  --font-head:"Outfit",system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;
  --font-body:"Work Sans",system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;
  --ease:cubic-bezier(.22,1,.36,1);--dur:.22s;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-padding-top:136px;scroll-behavior:smooth}
body{margin:0;background:var(--color-background);color:var(--color-text);font:16px/1.6 var(--font-body);-webkit-font-smoothing:antialiased}
a{color:var(--color-secondary);text-underline-offset:3px}
a:hover{color:var(--color-secondary-ink)}
svg{max-width:100%}
h1,h2,h3{font-family:var(--font-head);color:var(--color-foreground);line-height:1.2;margin:0 0 .5em;font-weight:700}
h1{font-size:clamp(1.9rem,3.4vw,2.6rem);letter-spacing:-.02em;font-weight:800}
h2{font-size:1.4rem;letter-spacing:-.01em}
h3{font-size:1.05rem}
button,a,summary,select,label[for]{cursor:pointer}
.wrap{max-width:1200px;margin:0 auto;padding:0 16px}
.ico{width:20px;height:20px;flex:none}
.skip{position:absolute;left:-999px;top:8px;background:var(--color-foreground);color:#fff;padding:10px 14px;border-radius:8px;z-index:100}
.skip:focus{left:8px}
:focus-visible{outline:2px solid var(--color-ring);outline-offset:2px;border-radius:4px}
[hidden]{display:none!important}
.eyebrow{display:block;font-family:var(--font-head);font-size:.76rem;font-weight:700;letter-spacing:.09em;text-transform:uppercase;color:var(--color-secondary);margin-bottom:6px}

/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.92);backdrop-filter:saturate(1.5) blur(12px);-webkit-backdrop-filter:saturate(1.5) blur(12px);border-bottom:1px solid var(--color-border)}
.header-inner{display:flex;align-items:center;gap:20px;height:66px}
.brand{display:inline-flex;align-items:center;gap:10px;font-family:var(--font-head);font-weight:700;font-size:1.15rem;letter-spacing:-.01em;color:var(--color-foreground);text-decoration:none;white-space:nowrap;min-height:44px}
.brand:hover{color:var(--color-foreground)}
.brand .logo{width:32px;height:32px;color:var(--color-secondary)}
.main-nav{display:flex;gap:2px;margin-left:auto}
.main-nav a{display:inline-flex;align-items:center;min-height:44px;color:var(--color-text);text-decoration:none;font-weight:500;font-size:.95rem;padding:0 14px;border-radius:10px;transition:background var(--dur) var(--ease),color var(--dur) var(--ease)}
.main-nav a:hover{background:var(--color-muted);color:var(--color-foreground)}
.main-nav a[aria-current]{color:var(--color-secondary);background:var(--color-secondary-soft);font-weight:600}
.menu{display:none;margin-left:auto;background:#fff;border:1px solid var(--color-border);border-radius:10px;width:44px;height:44px;align-items:center;justify-content:center;color:var(--color-foreground)}
.cat-bar{border-top:1px solid var(--color-border);background:#fff}
.cat-bar .wrap{display:flex;gap:6px;overflow-x:auto;padding-top:8px;padding-bottom:8px;scrollbar-width:none}
.cat-bar .wrap::-webkit-scrollbar{display:none}
.cat-bar a{display:inline-flex;align-items:center;gap:6px;white-space:nowrap;font-size:.86rem;font-weight:500;color:var(--color-text);text-decoration:none;padding:7px 13px;border-radius:999px;border:1px solid var(--color-border);background:#fff;transition:all var(--dur) var(--ease)}
.cat-bar a .ico{width:16px;height:16px;color:var(--color-muted-fg)}
.cat-bar a:hover{border-color:var(--color-secondary);color:var(--color-secondary)}
.cat-bar a.on{background:var(--color-primary);border-color:var(--color-primary);color:#fff}
.cat-bar a.on .ico{color:#fff}
.bar-sep{flex:none;width:1px;background:var(--color-border);margin:4px 6px}

/* ---------- search ---------- */
.search{position:relative;flex:1;max-width:440px;display:flex;align-items:center}
.search>.ico{position:absolute;left:14px;color:var(--color-muted-fg);pointer-events:none}
.search input,.filter input{width:100%;min-height:44px;font:inherit;font-size:.95rem;color:var(--color-foreground);background:var(--color-muted);border:1px solid transparent;border-radius:12px;padding:10px 16px 10px 42px;transition:all var(--dur) var(--ease)}
.search input::placeholder,.filter input::placeholder{color:#64748b}
.search input:focus,.filter input:focus{outline:none;border-color:var(--color-secondary);background:#fff;box-shadow:0 0 0 4px var(--color-secondary-soft)}
.search-results{position:absolute;top:calc(100% + 8px);left:0;right:0;background:#fff;border:1px solid var(--color-border);border-radius:14px;box-shadow:var(--shadow-lg);padding:6px;max-height:60vh;overflow:auto;z-index:60;text-align:left}
.search-results a{display:block;padding:10px 12px;border-radius:10px;text-decoration:none;color:var(--color-foreground);font-weight:600;font-size:.95rem}
.search-results a small{display:block;color:var(--color-muted-fg);font-size:.82rem;font-weight:400}
.search-results a:hover,.search-results a.active{background:var(--color-secondary-soft)}
.search-results p{margin:0;padding:10px 12px;color:var(--color-muted-fg);font-size:.9rem}

/* ---------- home hero ---------- */
.hero{position:relative;background:var(--color-primary);color:var(--on-dark);overflow:hidden;isolation:isolate}
.hero::before{content:"";position:absolute;inset:0;z-index:-1;background-image:linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);background-size:40px 40px;mask-image:linear-gradient(180deg,#000 20%,transparent 100%);-webkit-mask-image:linear-gradient(180deg,#000 20%,transparent 100%)}
.hero-grid{display:grid;grid-template-columns:minmax(0,1.25fr) minmax(0,.9fr);gap:48px;align-items:center;padding-top:60px;padding-bottom:60px}
.hero-pill{display:inline-flex;align-items:center;gap:8px;font-size:.84rem;font-weight:500;color:#fff;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.18);border-radius:999px;padding:6px 14px;margin-bottom:20px}
.hero-pill .dot{width:8px;height:8px;border-radius:50%;background:#34d399}
.hero h1{color:#fff;font-size:clamp(2.2rem,5vw,3.5rem);line-height:1.08;letter-spacing:-.03em;margin-bottom:16px;max-width:16ch}
.hero h1 em{font-style:normal;color:#93c5fd}
.hero-copy>p{font-size:1.1rem;max-width:46ch;margin:0 0 26px;color:var(--on-dark)}
.search-hero{max-width:560px}
.search-hero input{font-size:1.02rem;min-height:56px;padding:14px 18px 14px 48px;background:#fff;border-color:#fff;box-shadow:0 10px 30px rgba(0,0,0,.22)}
.search-hero>.ico{left:17px}
.popular{display:flex;flex-wrap:wrap;align-items:center;gap:8px;margin-top:18px;font-size:.88rem}
.popular>span{color:var(--on-dark-muted);font-weight:500;margin-right:2px}
.popular a{display:inline-flex;align-items:center;gap:6px;min-height:36px;padding:6px 12px;border-radius:999px;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.18);color:#fff;text-decoration:none;font-weight:500;transition:all var(--dur) var(--ease)}
.popular a .ico{width:15px;height:15px;color:#93c5fd}
.popular a:hover{background:#fff;color:var(--color-primary);border-color:#fff}
.hero-card{display:block;background:#fff;border-radius:20px;padding:24px;color:var(--color-text);text-decoration:none;box-shadow:var(--shadow-lg);transition:transform .35s var(--ease)}
.hero-card:hover{transform:translateY(-3px);color:var(--color-text)}
.hc-top{display:flex;justify-content:space-between;align-items:center;gap:10px}
.hc-label{font-family:var(--font-head);font-weight:700;color:var(--color-foreground)}
.live{display:inline-flex;align-items:center;gap:6px;font-size:.72rem;font-weight:600;letter-spacing:.06em;text-transform:uppercase;color:var(--color-accent)}
.live::before{content:"";width:7px;height:7px;border-radius:50%;background:#10b981}
.hc-num{display:block;font-family:var(--font-head);font-size:3.8rem;font-weight:800;letter-spacing:-.04em;line-height:1;color:var(--color-foreground);margin:20px 0 6px}
.hc-num small{font-size:1rem;font-weight:600;letter-spacing:0;color:var(--color-muted-fg);margin-left:10px}
.hc-sub{display:block;font-size:.88rem;color:var(--color-muted-fg)}
.hc-rows{display:block;margin:16px 0;border-top:1px solid var(--color-border)}
.hc-rows div{display:flex;justify-content:space-between;padding:10px 0;border-bottom:1px solid var(--color-border);font-size:.93rem}
.hc-rows b{color:var(--color-foreground)}
.hc-cta{display:inline-flex;align-items:center;gap:8px;font-weight:600;color:var(--color-secondary)}
.hc-cta .ico{width:18px;height:18px;transition:transform var(--dur) var(--ease)}
.hero-card:hover .hc-cta .ico{transform:translateX(4px)}

/* ---------- trust strip ---------- */
.trust{background:#fff;border-bottom:1px solid var(--color-border)}
.trust ul{list-style:none;margin:0 auto;display:grid;grid-template-columns:repeat(4,1fr);gap:8px}
.trust li{display:flex;gap:12px;align-items:flex-start;padding:20px 8px}
.trust li>.ico{width:22px;height:22px;color:var(--color-secondary);margin-top:2px}
.trust b{display:block;font-family:var(--font-head);color:var(--color-foreground);font-weight:600}
.trust li span{color:var(--color-muted-fg);font-size:.88rem;line-height:1.45}

/* ---------- sections & cards ---------- */
.section-head{display:flex;justify-content:space-between;align-items:flex-end;gap:16px;margin:8px 0 14px}
.section-head h2{margin:0;font-size:1.6rem}
.section-head>a{font-weight:600;font-size:.94rem;text-decoration:none;white-space:nowrap;min-height:44px;display:inline-flex;align-items:center}
.home-head{margin-top:36px}
.directory{display:grid;gap:18px;margin:14px 0 24px}
.cat-section{background:var(--color-card);border:1px solid var(--color-border);border-radius:var(--radius);padding:22px;box-shadow:var(--shadow)}
.cat-head{display:flex;align-items:center;gap:14px;margin-bottom:18px}
.cat-head h2{margin:0;font-size:1.2rem}
.cat-head p{margin:2px 0 0;color:var(--color-muted-fg);font-size:.9rem}
.cat-head .count{margin-left:auto;font-size:.8rem;font-weight:600;color:var(--color-muted-fg);background:var(--color-muted);border-radius:999px;padding:3px 11px}
.calc-ico{display:inline-grid;place-items:center;width:42px;height:42px;flex:none;border-radius:12px;background:var(--color-secondary-soft);color:var(--color-secondary)}
.card-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(270px,1fr));gap:10px}
.calc-card{display:flex;align-items:center;gap:13px;padding:14px 16px;border:1px solid var(--color-border);border-radius:var(--radius-md);background:#fff;text-decoration:none;color:var(--color-foreground);transition:border-color var(--dur) var(--ease),box-shadow var(--dur) var(--ease),transform var(--dur) var(--ease)}
.calc-card:hover{border-color:var(--color-secondary);box-shadow:0 8px 20px rgba(37,99,235,.1);transform:translateY(-1px);color:var(--color-foreground)}
.calc-text{min-width:0}
.calc-text b{display:block;font-family:var(--font-head);font-weight:600;font-size:1rem;line-height:1.35}
.calc-text small{display:block;color:var(--color-muted-fg);font-size:.86rem;line-height:1.45;margin-top:2px}
.calc-card .go{margin-left:auto;width:18px;height:18px;color:var(--color-border-2);transition:transform var(--dur) var(--ease),color var(--dur) var(--ease)}
.calc-card:hover .go{color:var(--color-secondary);transform:translateX(3px)}
.calc-card.small .calc-ico{width:36px;height:36px;border-radius:10px}
.filter{position:relative;display:flex;align-items:center;max-width:520px;margin:8px 0 4px}
.filter .ico{position:absolute;left:15px;color:var(--color-muted-fg)}
.filter input{background:#fff;border-color:var(--color-border);min-height:50px;padding:12px 16px 12px 44px}
.no-results{color:var(--color-muted-fg)}

/* ---------- steps & guides ---------- */
.steps{margin:40px 0}
.steps h2{font-size:1.6rem;margin-bottom:16px}
.steps ol{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:repeat(3,1fr);gap:14px;counter-reset:s}
.steps li{counter-increment:s;background:#fff;border:1px solid var(--color-border);border-radius:var(--radius);padding:22px}
.steps li::before{content:counter(s);display:inline-grid;place-items:center;width:34px;height:34px;border-radius:10px;background:var(--color-primary);color:#fff;font-family:var(--font-head);font-weight:700;margin-bottom:12px}
.steps li b{display:block;font-family:var(--font-head);font-weight:600;color:var(--color-foreground);margin-bottom:4px;font-size:1.05rem}
.steps li span{color:var(--color-muted-fg);font-size:.93rem}
.guides-strip{margin:40px 0}
.guide-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(270px,1fr));gap:14px;margin:12px 0 24px}
.guide-card{display:flex;flex-direction:column;background:#fff;border:1px solid var(--color-border);border-radius:var(--radius);padding:22px;text-decoration:none;color:var(--color-text);transition:border-color var(--dur) var(--ease),box-shadow var(--dur) var(--ease),transform var(--dur) var(--ease)}
.guide-card:hover{border-color:var(--color-secondary);box-shadow:0 10px 24px rgba(37,99,235,.1);transform:translateY(-2px);color:var(--color-text)}
.guide-card small{color:var(--color-secondary);font-weight:600;font-size:.76rem;text-transform:uppercase;letter-spacing:.08em}
.guide-card b{display:block;font-family:var(--font-head);color:var(--color-foreground);font-size:1.12rem;font-weight:600;line-height:1.35;margin:8px 0 6px}
.guide-card span{color:var(--color-muted-fg);font-size:.93rem}

/* ---------- page layout with sidebar ---------- */
.layout{display:grid;grid-template-columns:250px minmax(0,1fr);gap:32px;align-items:start;padding-top:24px;padding-bottom:36px}
.sidebar{position:sticky;top:140px;display:grid;gap:16px;max-height:calc(100vh - 160px);overflow:auto;scrollbar-width:thin}
.side-nav{background:#fff;border:1px solid var(--color-border);border-radius:var(--radius);padding:16px;margin:0}
.side-nav>summary{display:flex;align-items:center;gap:8px;min-height:32px;font-family:var(--font-head);font-weight:600;color:var(--color-foreground);list-style:none;padding:0}
.side-nav>summary::-webkit-details-marker{display:none}
.side-nav>summary .ico{color:var(--color-secondary)}
.side-group{margin-top:16px}
.side-group h3{display:flex;align-items:center;gap:6px;font-size:.74rem;text-transform:uppercase;letter-spacing:.08em;color:var(--color-muted-fg);margin:0 0 6px}
.side-group h3 .ico{width:15px;height:15px}
.side-group ul{list-style:none;margin:0;padding:0}
.side-group a{display:flex;align-items:center;min-height:38px;padding:0 11px;border-radius:9px;font-size:.93rem;color:var(--color-text);text-decoration:none;transition:background var(--dur)}
.side-group a:hover{background:var(--color-muted);color:var(--color-foreground)}
.side-group a[aria-current]{background:var(--color-secondary-soft);color:var(--color-secondary);font-weight:600;box-shadow:inset 3px 0 0 var(--color-secondary)}
.side-all{display:flex;align-items:center;min-height:40px;margin-top:12px;padding-top:10px;border-top:1px solid var(--color-border);font-size:.9rem;font-weight:600;text-decoration:none}
.content{min-width:0}
.breadcrumbs{display:flex;flex-wrap:wrap;gap:6px;font-size:.86rem;color:var(--color-muted-fg);margin:2px 0 14px}
.breadcrumbs a{color:var(--color-muted-fg);text-decoration:none}
.breadcrumbs a:hover{color:var(--color-secondary);text-decoration:underline}
.breadcrumbs .sep{color:var(--color-border-2)}
.page-title{margin:0 0 22px}
.page-title h1{margin-bottom:10px}
.page-title p{color:var(--color-muted-fg);font-size:1.06rem;max-width:68ch;margin:0}
.page-title.notfound{text-align:center;padding:48px 0 8px}
.page-title.notfound .search-hero{margin:24px auto 0}
.tag{display:inline-flex;align-items:center;gap:6px;font-size:.8rem;font-weight:600;color:var(--color-secondary);background:var(--color-secondary-soft);border-radius:999px;padding:4px 11px;margin-bottom:12px}
.tag .ico{width:15px;height:15px}

/* ---------- calculator ---------- */
.calculator-layout{display:grid;grid-template-columns:minmax(0,1.2fr) minmax(0,1fr);gap:16px;align-items:start;margin-bottom:8px}
#calculator-form{background:var(--color-card);border:1px solid var(--color-border);border-radius:18px;padding:24px;box-shadow:var(--shadow)}
.form-top{display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap}
.form-top h2{margin:0;font-size:1.15rem}
.form-hint{color:var(--color-muted-fg);font-size:.9rem;margin:6px 0 16px}
.unit-toggle{display:inline-flex;background:var(--color-muted);border-radius:10px;padding:3px}
.unit-toggle button{font:inherit;font-size:.86rem;font-weight:500;border:0;background:none;color:var(--color-muted-fg);min-height:36px;padding:0 14px;border-radius:8px;transition:all var(--dur) var(--ease)}
.unit-toggle button[aria-pressed="true"]{background:#fff;color:var(--color-foreground);font-weight:600;box-shadow:0 1px 3px rgba(15,23,42,.12)}
.fields{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px 16px}
.field{display:block}
.field>span{display:block;font-size:.86rem;font-weight:600;color:var(--color-foreground);margin-bottom:6px}
.input-wrap{display:flex;align-items:stretch;border:1.5px solid var(--color-border-2);border-radius:var(--radius-sm);background:#fff;overflow:hidden;transition:border-color var(--dur),box-shadow var(--dur)}
.input-wrap:hover{border-color:#94a3b8}
.input-wrap:focus-within{border-color:var(--color-secondary);box-shadow:0 0 0 4px var(--color-secondary-soft)}
.input-wrap input,.input-wrap select{flex:1;min-width:0;min-height:46px;font:inherit;font-size:1.02rem;font-weight:500;color:var(--color-foreground);border:0;background:none;padding:10px 13px;outline:none}
.input-wrap [data-unit]{display:flex;align-items:center;padding:0 13px;background:var(--color-muted);color:var(--color-muted-fg);font-size:.86rem;font-weight:500;white-space:nowrap}
.field select{font:inherit;min-height:46px;border:1.5px solid var(--color-border-2);border-radius:var(--radius-sm);width:100%;background:#fff;padding:10px 13px;color:var(--color-foreground)}
.form-bottom{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-top:16px;flex-wrap:wrap}
.currency-label{display:flex;align-items:center;gap:8px;font-size:.88rem;font-weight:500;color:var(--color-muted-fg)}
.currency-label select{font:inherit;font-size:.9rem;min-height:38px;border:1.5px solid var(--color-border-2);border-radius:9px;padding:4px 8px;background:#fff;color:var(--color-foreground)}
.reset,.print{font:inherit;font-size:.88rem;font-weight:500;background:none;border:0;color:var(--color-muted-fg);min-height:40px;padding:0 6px}
.reset:hover{color:var(--color-secondary)}
#form-error{margin:14px 0 0;padding:11px 14px;border-radius:10px;background:#fef2f2;color:#b91c1c;font-size:.9rem;font-weight:500}
.button{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:48px;font:inherit;font-family:var(--font-head);font-weight:600;font-size:1rem;background:var(--color-accent);color:#fff;border:0;border-radius:12px;padding:0 20px;text-decoration:none;transition:background var(--dur) var(--ease),transform var(--dur) var(--ease)}
.button:hover{background:var(--color-accent-ink);color:#fff}
.button:active{transform:translateY(1px)}
.button svg{width:18px;height:18px}
.button.light{background:var(--color-secondary-soft);color:var(--color-secondary)}
.button.light:hover{background:#dbe5fe;color:var(--color-secondary-ink)}
.button:disabled{opacity:.5;cursor:not-allowed}
.calculate-button{width:100%;margin-top:18px}
.results{position:sticky;top:140px;background:var(--color-primary);color:var(--on-dark);border-radius:18px;padding:24px;box-shadow:var(--shadow-lg)}
.results-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:14px}
.results-header .eyebrow{margin:0;color:#93c5fd}
.result-status{display:inline-flex;align-items:center;gap:6px;font-size:.72rem;font-weight:600;letter-spacing:.07em;color:#6ee7b7}
.result-status::before{content:"";width:7px;height:7px;border-radius:50%;background:#34d399}
.result-main{background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.14);border-radius:14px;padding:18px;margin-bottom:10px}
.result-main small{font-size:.74rem;font-weight:600;letter-spacing:.08em;color:var(--on-dark-muted)}
.result-main h3{margin:0;color:#fff}
.big-number{font-family:var(--font-head);font-size:3rem;font-weight:800;color:#fff;line-height:1.05;letter-spacing:-.03em;margin:6px 0}
.big-number span{font-size:1rem;font-weight:500;color:var(--on-dark);margin-left:10px;letter-spacing:0}
.result-subtitle{margin:0;color:var(--on-dark-muted);font-size:.88rem}
.result-row{display:flex;justify-content:space-between;gap:12px;padding:10px 2px;border-bottom:1px solid rgba(255,255,255,.12);font-size:.94rem}
.result-row:last-child{border-bottom:0}
.result-row b{color:#fff;text-align:right;font-weight:600}
.result-actions{display:flex;gap:12px;align-items:center;flex-wrap:wrap;margin-top:16px}
.results .button.light{background:#fff;color:var(--color-primary)}
.results .button.light:hover{background:#e2e8f0}
.results .print{color:var(--on-dark)}
.results .print:hover{color:#fff;text-decoration:underline}
.result-note{font-size:.82rem;color:var(--on-dark-muted);margin:12px 0 0}

/* ---------- article content ---------- */
.prose,.reading article{background:var(--color-card);border:1px solid var(--color-border);border-radius:18px;padding:32px 36px;margin:0 0 24px;box-shadow:var(--shadow)}
.prose h2,.reading article h2{margin-top:1.8em;font-size:1.4rem}
.prose>h2:first-of-type,.prose>.eyebrow+h2{margin-top:0}
.prose p,.prose li,.reading article p{max-width:72ch}
.direct-answer{background:var(--color-secondary-soft);border-left:4px solid var(--color-secondary);border-radius:0 12px 12px 0;padding:14px 18px;color:var(--color-foreground)}
.direct-answer::before{content:"Quick answer";display:block;font-family:var(--font-head);font-size:.74rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--color-secondary);margin-bottom:4px}
.content-toc{background:var(--color-background);border:1px solid var(--color-border);border-radius:12px;padding:16px 20px;margin:20px 0}
.content-toc b{font-family:var(--font-head);color:var(--color-foreground)}
.content-toc ul{margin:8px 0 0;padding-left:18px}
.content-toc li{margin:5px 0}
.content-toc a{text-decoration:none}
.content-toc a:hover{text-decoration:underline}
.comparison{margin:20px 0}
.table-scroll{overflow-x:auto;border:1px solid var(--color-border);border-radius:12px}
table{width:100%;border-collapse:collapse;font-size:.93rem}
th,td{text-align:left;padding:11px 14px;border-bottom:1px solid var(--color-border)}
th{background:var(--color-muted);color:var(--color-foreground);font-weight:600}
tr:last-child td{border-bottom:0}
figcaption{font-size:.86rem;color:var(--color-muted-fg);margin-top:8px}
.source-note{background:var(--color-background);border-radius:12px;padding:14px 18px;font-size:.92rem;margin:20px 0}
.editorial-note{font-size:.86rem;color:var(--color-muted-fg)}
.lead{font-size:1.12rem;color:var(--color-muted-fg)}
.prose details,.reading details{border:1px solid var(--color-border);border-radius:12px;padding:0 18px;margin:8px 0;background:#fff}
.prose details[open],.reading details[open]{border-color:var(--color-border-2)}
.prose details>summary,.reading details>summary{font-family:var(--font-head);font-weight:600;color:var(--color-foreground);padding:13px 0;min-height:44px}
.prose details[open]>summary{border-bottom:1px solid var(--color-border);margin-bottom:8px}
.reading{max-width:880px;padding-top:24px;padding-bottom:40px}
.reading>h1,.guide>h1{margin-top:4px}
.reading>.eyebrow{margin-top:8px}
.guide>.lead{margin-top:0}
.guide-cta{display:flex;align-items:center;gap:14px;background:#fff;border:1px solid var(--color-border);border-radius:var(--radius);padding:18px 20px;margin:0 0 24px;text-decoration:none;color:var(--color-foreground);transition:border-color var(--dur) var(--ease),transform var(--dur) var(--ease)}
.guide-cta>.ico{width:24px;height:24px;color:var(--color-secondary)}
.guide-cta small{display:block;color:var(--color-muted-fg);font-size:.84rem}
.guide-cta b{display:block;font-family:var(--font-head);font-weight:600}
.guide-cta .go{margin-left:auto;color:var(--color-secondary)}
.guide-cta:hover{border-color:var(--color-secondary);transform:translateY(-1px);color:var(--color-foreground)}
.guide-cta.calc{background:var(--color-primary);color:#fff;border-color:var(--color-primary)}
.guide-cta.calc>.ico,.guide-cta.calc .go{color:#93c5fd}
.guide-cta.calc small{color:var(--on-dark-muted)}
.guide-cta.calc:hover{color:#fff}
.related{margin:8px 0 24px}

/* ---------- ads ---------- */
.ad{margin:22px auto;text-align:center;min-height:100px;overflow:hidden;clear:both}
.ad-label{display:block;font-size:.68rem;font-weight:500;letter-spacing:.1em;text-transform:uppercase;color:#64748b;margin-bottom:6px}
.ad ins{display:block;min-height:90px}
.ad-sidebar{margin:0;min-height:260px}
.ad-sidebar ins{min-height:250px}
.ad:has(ins[data-ad-status="unfilled"]){display:none}
.card-grid>.ad,.guide-grid>.ad{grid-column:1/-1;margin:4px 0;min-height:0}
.card-grid>.ad ins,.guide-grid>.ad ins{min-height:0}
.ad-preview div{display:grid;place-items:center;min-height:100px;border:2px dashed var(--color-border-2);border-radius:12px;color:var(--color-muted-fg);font-size:.85rem;background:repeating-linear-gradient(45deg,#f8fafc,#f8fafc 10px,#eef1f4 10px,#eef1f4 20px)}
.ad-sidebar.ad-preview div{min-height:250px}

/* ---------- footer ---------- */
.site-footer{background:#0f1f36;color:var(--on-dark-muted);margin-top:56px;font-size:.93rem}
.f-top{display:grid;grid-template-columns:minmax(0,1.5fr) repeat(4,minmax(0,1fr));gap:40px 32px;padding-top:56px;padding-bottom:44px}
.f-brand .brand{color:#fff;font-size:1.2rem}
.f-brand .brand .logo{color:#3b82f6}
.f-brand p{margin:14px 0 18px;max-width:38ch;line-height:1.6;color:var(--on-dark-muted)}
.f-mail{display:inline-flex;align-items:center;gap:8px;min-height:44px;color:#fff;text-decoration:none;font-weight:500;padding:0 16px;border:1px solid rgba(255,255,255,.2);border-radius:12px;transition:background var(--dur) var(--ease)}
.f-mail .ico{width:17px;height:17px;color:#93c5fd}
.f-mail:hover{background:rgba(255,255,255,.08);color:#fff}
.f-col h2{font-size:.78rem;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:#fff;margin:4px 0 12px}
.f-col ul{list-style:none;margin:0;padding:0;display:grid;gap:2px}
.f-col a{display:inline-flex;align-items:center;min-height:34px;color:var(--on-dark-muted);text-decoration:none;transition:color var(--dur)}
.f-col a:hover{color:#fff;text-decoration:underline}
.f-col a.more{color:#93c5fd;font-weight:500}
.f-bottom{border-top:1px solid rgba(255,255,255,.12)}
.f-bottom .wrap{display:flex;flex-wrap:wrap;align-items:center;gap:8px 24px;padding-top:18px;padding-bottom:22px}
.f-bottom p{margin:0;font-size:.86rem;color:var(--on-dark-muted)}
.f-top-link{margin-left:auto;display:inline-flex;align-items:center;gap:6px;min-height:44px;color:#fff;text-decoration:none;font-weight:500;font-size:.88rem}
.f-top-link .ico{width:16px;height:16px}
.f-top-link:hover{color:#93c5fd}
.toast{position:fixed;bottom:24px;left:50%;transform:translateX(-50%);background:var(--color-foreground);color:#fff;padding:12px 20px;border-radius:12px;font-size:.9rem;display:none;z-index:80;box-shadow:var(--shadow-lg)}
.toast.show{display:block}

/* ---------- motion (subtle scroll reveal) ---------- */
.js .reveal{opacity:0;transform:translateY(12px);transition:opacity .35s ease-out,transform .35s ease-out}
.js .reveal.in{opacity:1;transform:none}

/* ---------- responsive ---------- */
@media(max-width:1080px){
  .calculator-layout{grid-template-columns:1fr}
  .results{position:static}
  .hero-grid{grid-template-columns:1fr;gap:32px}
  .hero-card{max-width:520px}
  .trust ul{grid-template-columns:repeat(2,1fr)}
  .f-top{grid-template-columns:repeat(4,minmax(0,1fr))}
  .f-brand{grid-column:1/-1}
}
@media(max-width:900px){
  .layout{grid-template-columns:1fr;gap:14px;padding-top:14px}
  .sidebar{position:static;max-height:none;overflow:visible;order:-1}
  .ad-sidebar{display:none}
  .steps ol{grid-template-columns:1fr}
}
@media(max-width:760px){
  html{scroll-padding-top:124px}
  .header-inner{flex-wrap:wrap;height:auto;padding-top:10px;padding-bottom:10px;gap:10px}
  .menu{display:inline-flex}
  .header-inner .search{order:3;flex-basis:100%;max-width:none}
  .main-nav{display:none;order:4;flex-basis:100%;flex-direction:column;margin:0;gap:2px}
  .main-nav.open{display:flex}
  .fields{grid-template-columns:1fr}
  .prose,.reading article{padding:22px 18px;border-radius:14px}
  .cat-section{padding:16px}
  .card-grid{grid-template-columns:1fr}
  .hero-grid{padding-top:40px;padding-bottom:40px}
  .hero-card{display:none}
  .trust ul{gap:0}
  .trust li{padding:14px 4px}
  .big-number{font-size:2.4rem}
  #calculator-form,.results{padding:18px;border-radius:14px}
  .section-head h2,.steps h2{font-size:1.35rem}
  .f-top{grid-template-columns:repeat(2,minmax(0,1fr));gap:28px 20px;padding-top:40px}
  .f-top-link{margin-left:0}
}
@media(max-width:340px){.trust ul{grid-template-columns:1fr}}
@media print{
  .site-header,.site-footer,.sidebar,.ad,.related,.guide-cta,.prose,.breadcrumbs,.result-actions,.toast,.calculate-button,.form-bottom,.unit-toggle,.tag{display:none!important}
  body{background:#fff}
  .layout,.calculator-layout{display:block}
  .results{background:#fff;color:#000;box-shadow:none;position:static;border:1px solid #ccc}
  .big-number,.result-row b,.result-main h3,.big-number span,.result-main small,.result-subtitle{color:#000}
}
@media(prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *{transition:none!important;animation:none!important}
  .js .reveal{opacity:1;transform:none}
}
.f-col .n{display:inline-grid;place-items:center;min-width:22px;height:20px;padding:0 6px;margin-left:6px;border-radius:999px;background:rgba(255,255,255,.1);font-size:.74rem;color:#fff}

/* ---------- ad rails & anchor (calculator + guide pages) ---------- */
.layout.has-rail{max-width:1480px}
.rail{display:none}
.ad-sidebar-2{display:none;margin:0;min-height:260px}
.ad-sidebar-2 ins{min-height:250px}
@media(min-width:1280px){
  .layout.has-rail{grid-template-columns:240px minmax(0,1fr) 300px;gap:28px}
  .rail{display:block;position:sticky;top:140px}
  .rail .ad{margin:0;min-height:260px}
  .rail .ad ins{min-height:250px}
}
@media(min-width:901px) and (max-width:1279px){
  .ad-sidebar-2{display:block}
  .sidebar{max-height:none;overflow:visible}
}
.anchor-ad{position:fixed;left:0;right:0;bottom:0;z-index:70;display:flex;justify-content:center;align-items:center;background:rgba(255,255,255,.97);border-top:1px solid var(--color-border);box-shadow:0 -6px 20px rgba(15,23,42,.08);padding:6px 0;min-height:62px}
.anchor-ad ins{display:inline-block}
.anchor-close{position:absolute;top:-30px;right:12px;width:32px;height:30px;border:1px solid var(--color-border);border-bottom:0;border-radius:8px 8px 0 0;background:#fff;color:var(--color-muted-fg);font-size:1.2rem;line-height:1}
.anchor-close:hover{color:var(--color-foreground)}
.anchor-ad.ad-preview>div{width:min(728px,92vw);min-height:50px;height:90px}
@media(max-width:767px){.anchor-ad.ad-preview>div{height:50px}}
body.has-anchor{padding-bottom:110px}
body.has-anchor .toast{bottom:120px}
@media(max-width:767px){body.has-anchor{padding-bottom:70px}}
.anchor-ad:has(ins[data-ad-status="unfilled"]){display:none}
@media print{.anchor-ad,.rail{display:none!important}}
body.wide .wrap{max-width:1480px}
.ad-rail.ad-preview div{min-height:600px}
.ad-sidebar-2.ad-preview div{min-height:250px}
@media(max-height:820px){.ad-rail.ad-preview div{min-height:250px}}
.intro-text{max-width:820px;color:var(--color-text);margin:0 0 8px}
.intro-text p{margin:0 0 10px}
.home-about{margin:40px 0;background:#fff;border:1px solid var(--color-border);border-radius:var(--radius);padding:28px}
.home-about h2{font-size:1.6rem}
.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.about-grid p{margin:0}
@media(max-width:760px){.about-grid{grid-template-columns:1fr}.home-about{padding:20px}}
.ad-top{min-height:0}
.ad-top ins{min-height:90px}

/* Education calculators extend the existing production design tokens. */
#education-form{background:var(--color-card);border:1px solid var(--color-border);border-radius:18px;padding:24px;box-shadow:var(--shadow);min-width:0}
#education-form>.field{margin-bottom:18px}#education-form select{width:100%}
.grade-row{border:1px solid var(--color-border);background:var(--color-background);border-radius:12px;padding:15px;margin:14px 0}
.grade-row-top{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:9px}.grade-row-top strong{font:600 .9rem var(--font-head);color:var(--color-foreground)}
.remove-grade{font:inherit;font-size:.8rem;color:var(--color-muted-fg);background:transparent;border:0;min-height:44px;padding:6px 0 6px 12px}.remove-grade:hover{color:var(--color-destructive);text-decoration:underline}.remove-grade:disabled{opacity:.4;cursor:default;text-decoration:none}
.grade-name{margin-bottom:12px}.grade-name>input{width:100%;font:inherit;font-size:.9rem;border:1px solid var(--color-border-2);border-radius:9px;background:#fff;padding:10px 12px;min-height:44px;color:var(--color-foreground)}
.grade-name small{font-weight:400;color:var(--color-muted-fg)}.grade-values{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.grade-values .field{min-width:0}.grade-values .input-wrap>span{font-size:.75rem;padding-right:10px;white-space:nowrap}
.grade-values input{min-width:0;width:100%}.include-grade{display:flex;align-items:center;gap:10px;font-size:.82rem;min-height:44px;margin-top:8px}.include-grade input{width:17px;height:17px;accent-color:var(--color-secondary)}
.grade-row.is-excluded .grade-values{opacity:.55}.grade-row.is-excluded .grade-name{opacity:.65}.grade-values input:disabled{background:var(--color-muted);cursor:not-allowed}.grade-field-error{display:block;margin-top:6px;color:#b91c1c;font-size:.76rem;line-height:1.5}.grade-values [aria-invalid=true]{outline:2px solid var(--color-destructive);outline-offset:-2px}
.grade-errors{padding:16px;border:1px solid #dc2626;border-left-width:4px;border-radius:10px;background:#fff5f5;color:#991b1b;margin:16px 0}.grade-errors h3{color:inherit;font-size:1rem;margin:0 0 8px}.grade-errors ul{margin:0;padding-left:19px;font-size:.85rem}.grade-errors a{color:inherit}
.grade-note{background:var(--color-secondary-soft);border-left:3px solid var(--color-secondary);border-radius:0 10px 10px 0;padding:15px 18px;margin:18px 0;font-size:.9rem}.grade-note p:last-child{margin-bottom:0}.grade-row-actions{display:flex;gap:12px;align-items:center;flex-wrap:wrap}.grade-row-actions .button.secondary{background:#fff;color:var(--color-secondary-ink);border:1px solid var(--color-border-2);font-size:.85rem;padding:10px 14px;min-height:44px}.grade-row-actions .button:disabled,.result-actions button:disabled{opacity:.5;cursor:not-allowed}.grade-row-actions .form-hint{margin:0;font-size:.75rem}.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap}
.grade-breakdown{border-top:1px solid #ffffff30;margin:17px 0 4px;padding-top:8px}.grade-breakdown summary{font-size:.85rem;min-height:44px;display:flex;align-items:center;cursor:pointer;color:#fff}.grade-breakdown summary:after{content:'+';margin-left:auto}.grade-breakdown[open] summary:after{content:'−'}.grade-breakdown p{font: .78rem/1.8 ui-monospace,monospace;overflow-wrap:anywhere;color:var(--on-dark);margin:0 0 15px}.grade-next{display:block;font-size:.85rem;color:#fff!important;text-decoration:underline;margin-top:16px;min-height:44px;padding-top:10px}.education-layout .big-number strong{font-weight:inherit}.education-layout .result-actions{flex-wrap:wrap}.education-layout .result-actions .button{font-size:.8rem}.education-layout .results{min-width:0}.education-layout .result-row b{overflow-wrap:anywhere}
@media(max-width:900px){#education-form{padding:18px;border-radius:14px}.grade-row{padding:12px}.grade-values{gap:10px}.grade-values label>span{font-size:.8rem}.grade-values .input-wrap input{padding:10px;min-height:44px}}
@media print{#education-form{padding:0;box-shadow:none;border:0}.education-layout .grade-row-actions,.education-layout .remove-grade,.education-layout .include-grade,.education-layout .form-top,.education-layout .form-hint,.education-layout .grade-next{display:none!important}.grade-row{break-inside:avoid;border-color:#ddd}.grade-breakdown,.grade-breakdown p,.grade-breakdown summary{color:#000!important}.grade-breakdown p{display:block!important}.education-layout .grade-values{grid-template-columns:1fr 1fr}}
@media(max-width:900px){html{scroll-padding-top:190px}.grade-errors{scroll-margin-top:190px}}
.calculator-layout>*{min-width:0}
@media(max-width:380px){.result-actions button{max-width:100%;white-space:normal}.form-top{flex-wrap:wrap}}

/* Keep the longer brand and menu on one row on small screens. */
.brand .logo{flex:none}
@media(max-width:380px){.header-inner .brand{font-size:1rem;gap:7px}.header-inner .brand .logo{width:28px;height:28px}.header-inner{column-gap:8px}}