/* ==========================================================================
   Laskurikeskus – tyylit
   Mobile-first, ei ulkoisia riippuvuuksia (nopea latautuminen, hyvät CWV).
   Suunnitteluidea: pohjoismainen "mittarinäyttö" – tumma tuloslasi,
   selkeä sininen näppäimistö, rauhallinen typografia.
   ========================================================================== */

:root{
  /* Väripaletti */
  --ink:#0f1b2d;          /* pääteksti */
  --ink-soft:#33415a;     /* leipäteksti */
  --muted:#5c6b82;        /* aputeksti */
  --line:#e2e7ef;         /* ohuet rajat */
  --line-strong:#cbd3e0;
  --paper:#eef2f7;        /* sivun tausta (viileä, ei kermainen) */
  --card:#ffffff;         /* kortit */
  --card-2:#f6f8fb;       /* vaihtoehtoinen kortti */
  --brand:#1a56c4;        /* pääsininen */
  --brand-ink:#0c3c93;    /* tummempi sininen */
  --brand-050:#e9f0fd;    /* sininen sävy */
  --brand-100:#d4e2fb;
  --accent:#0ba98f;       /* tuloksen korostus (turkoosi) */
  --accent-050:#e2f6f2;
  --warn:#d6353b;         /* virheet */
  --warn-050:#fdeaea;
  --display:#0f1b2d;      /* laskimen näyttö */
  --display-ink:#eaf1ff;  /* näytön teksti */
  --display-soft:#7f93b8;

  /* Typografia – järjestelmäfontit (ei latauspyyntöjä) */
  --font-ui:"Inter",system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
  --font-mono:ui-monospace,"SFMono-Regular","Cascadia Code",Menlo,Consolas,"Liberation Mono",monospace;

  /* Mitat */
  --wrap:72rem;
  --radius:14px;
  --radius-sm:10px;
  --radius-lg:22px;
  --gap:clamp(14px,3.5vw,22px);
  --pad-x:clamp(16px,4vw,28px);
  --shadow-sm:0 1px 2px rgba(15,27,45,.06),0 1px 3px rgba(15,27,45,.05);
  --shadow-md:0 6px 22px rgba(15,27,45,.09);
  --shadow-key:0 2px 0 rgba(12,60,147,.18);
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}
  *,*::before,*::after{animation-duration:.001ms!important;transition-duration:.001ms!important}}

body{
  margin:0;
  font-family:var(--font-ui);
  color:var(--ink-soft);
  background:var(--paper);
  line-height:1.62;
  font-size:clamp(16px,1.15vw + 13px,17px);
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}

/* Yleistä typografiaa */
h1,h2,h3,h4,h5,h6{color:var(--ink);line-height:1.22;font-weight:750;margin:0 0 .5em;letter-spacing:-.01em}
h1{font-size:clamp(1.7rem,4.6vw,2.5rem);letter-spacing:-.022em}
h2{font-size:clamp(1.34rem,3.1vw,1.72rem);margin-top:1.6em}
h3{font-size:clamp(1.12rem,2.2vw,1.28rem);margin-top:1.4em}
h4{font-size:1.03rem;margin-top:1.15em}
h5{font-size:.95rem;text-transform:uppercase;letter-spacing:.06em;color:var(--muted);margin-top:1em}
h6{font-size:.86rem;color:var(--muted);margin-top:.8em}
p{margin:0 0 1em}
a{color:var(--brand);text-decoration:none}
a:hover{text-decoration:underline}
strong{color:var(--ink);font-weight:680}
small{font-size:.86em}
ul,ol{padding-left:1.25em;margin:0 0 1em}
li{margin:.28em 0}
hr{border:0;border-top:1px solid var(--line);margin:2rem 0}
:focus-visible{outline:3px solid var(--brand);outline-offset:2px;border-radius:6px}
::selection{background:var(--brand-100)}
img,canvas,svg{max-width:100%;height:auto}

.wrap{max-width:var(--wrap);margin-inline:auto;padding-inline:var(--pad-x)}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}
.skip-link{position:absolute;left:-999px;top:8px;background:var(--brand);color:#fff;padding:10px 16px;border-radius:8px;z-index:200}
.skip-link:focus{left:8px}

/* ============================ Header / navigaatio ======================== */
.site-header{position:sticky;top:0;z-index:100;background:rgba(255,255,255,.92);backdrop-filter:saturate(1.4) blur(8px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;gap:14px;height:60px}
.brand{display:flex;align-items:center;gap:10px;font-weight:820;color:var(--ink);font-size:1.06rem;letter-spacing:-.02em;flex:0 0 auto}
.brand:hover{text-decoration:none}
.brand .logo{width:32px;height:32px;flex:0 0 auto;border-radius:9px;background:linear-gradient(135deg,var(--brand),var(--brand-ink));display:grid;place-items:center;color:#fff;font-family:var(--font-mono);font-weight:700;font-size:15px;box-shadow:var(--shadow-key)}
.brand b{color:var(--brand)}
.nav-links{display:none;margin-left:auto;align-items:center;gap:2px}
.nav-links a{color:var(--ink-soft);font-weight:600;font-size:.95rem;padding:9px 12px;border-radius:9px;white-space:nowrap}
.nav-links a:hover{background:var(--brand-050);color:var(--brand-ink);text-decoration:none}
.nav-links a[aria-current="page"]{color:var(--brand-ink);background:var(--brand-050)}
.nav-toggle{margin-left:auto;display:inline-grid;place-items:center;width:44px;height:44px;border:1px solid var(--line-strong);border-radius:11px;background:var(--card);cursor:pointer}
.nav-toggle span,.nav-toggle span::before,.nav-toggle span::after{content:"";display:block;width:20px;height:2px;background:var(--ink);border-radius:2px;transition:transform .2s,opacity .2s}
.nav-toggle span::before{transform:translateY(-6px)}.nav-toggle span::after{transform:translateY(4px)}
.nav-toggle[aria-expanded="true"] span{background:transparent}
.nav-toggle[aria-expanded="true"] span::before{transform:translateY(0) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span::after{transform:translateY(-2px) rotate(-45deg)}
.mobile-menu{display:none;border-bottom:1px solid var(--line);background:var(--card)}
.mobile-menu.open{display:block}
.mobile-menu nav{display:flex;flex-direction:column;padding:8px 0 14px}
.mobile-menu a{padding:12px var(--pad-x);color:var(--ink-soft);font-weight:600;border-bottom:1px solid var(--line)}
.mobile-menu a:hover{background:var(--brand-050);text-decoration:none}
.mobile-menu .grp{padding:14px var(--pad-x) 4px;font-size:.78rem;text-transform:uppercase;letter-spacing:.08em;color:var(--muted);font-weight:700}
@media (min-width:1000px){.nav-toggle{display:none}.nav-links{display:flex}.mobile-menu{display:none!important}}

/* ============================ Breadcrumb ================================= */
.crumbs{font-size:.85rem;color:var(--muted);padding:12px 0 0}
.crumbs ol{list-style:none;display:flex;flex-wrap:wrap;gap:6px;padding:0;margin:0}
.crumbs li{display:flex;align-items:center;gap:6px}
.crumbs li+li::before{content:"›";color:var(--line-strong)}
.crumbs a{color:var(--muted)}
.crumbs a:hover{color:var(--brand)}
.crumbs [aria-current]{color:var(--ink-soft);font-weight:600}

/* ============================ Hero / työkalu ============================ */
.hero{padding:clamp(18px,4vw,34px) 0 8px}
.hero .eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:.8rem;font-weight:700;letter-spacing:.04em;text-transform:uppercase;color:var(--brand-ink);background:var(--brand-050);border:1px solid var(--brand-100);padding:5px 12px;border-radius:999px;margin-bottom:14px}
.hero .eyebrow .dot{width:7px;height:7px;border-radius:50%;background:var(--accent)}
.hero p.lead{font-size:clamp(1.02rem,1.4vw,1.16rem);color:var(--ink-soft);max-width:60ch;margin-bottom:1.1em}

/* Työkalukortti (laskin) – ensin näytöllä */
.tool{background:var(--card);border:1px solid var(--line);border-radius:var(--radius-lg);box-shadow:var(--shadow-md);padding:clamp(16px,3.5vw,26px);margin:6px 0 8px;scroll-margin-top:76px}
.tool-head{display:flex;align-items:baseline;justify-content:space-between;gap:10px;flex-wrap:wrap;margin-bottom:14px}
.tool-head h2{margin:0;font-size:1.16rem}
.tool-tag{font-size:.76rem;font-weight:700;color:var(--accent);background:var(--accent-050);padding:4px 10px;border-radius:999px}

/* Laskimen näyttö */
.display{background:var(--display);color:var(--display-ink);border-radius:var(--radius);padding:16px 18px;min-height:96px;display:flex;flex-direction:column;justify-content:flex-end;gap:6px;font-family:var(--font-mono);overflow:hidden}
.display .expr{color:var(--display-soft);font-size:1rem;min-height:1.3em;word-break:break-all;text-align:right}
.display .result{font-size:clamp(1.7rem,6vw,2.3rem);font-weight:600;text-align:right;word-break:break-all;line-height:1.1}
.display .mode-badge{align-self:flex-start;font-size:.72rem;color:var(--display-soft);letter-spacing:.05em}

/* Näppäimistö */
.keys{display:grid;grid-template-columns:repeat(4,1fr);gap:8px;margin-top:14px}
.keys.sci{grid-template-columns:repeat(5,1fr)}
.key{appearance:none;border:1px solid var(--line);background:var(--card-2);color:var(--ink);font-family:var(--font-ui);font-size:clamp(1rem,3.6vw,1.15rem);font-weight:650;padding:0;height:clamp(48px,12vw,58px);border-radius:12px;cursor:pointer;transition:transform .06s,background .12s,box-shadow .12s;user-select:none}
.key:hover{background:#eef2f8}
.key:active{transform:translateY(1px)}
.key.op{background:var(--brand-050);color:var(--brand-ink);border-color:var(--brand-100)}
.key.op:hover{background:var(--brand-100)}
.key.fn{font-size:clamp(.82rem,2.8vw,.95rem);color:var(--ink-soft)}
.key.eq{background:linear-gradient(135deg,var(--brand),var(--brand-ink));color:#fff;border:none;box-shadow:var(--shadow-key);grid-column:span 1}
.key.eq:hover{filter:brightness(1.05)}
.key.wide{grid-column:span 2}
.key.util{color:var(--warn);background:var(--warn-050);border-color:#f6cccd}

/* Lomake-elementit */
.field{margin:0 0 14px}
.field>label,.lbl{display:block;font-weight:650;color:var(--ink);font-size:.92rem;margin-bottom:6px}
.hint{color:var(--muted);font-size:.84rem;margin:4px 0 0}
input[type=text],input[type=number],input[type=date],input[type=time],select,textarea{
  width:100%;font-family:var(--font-ui);font-size:1rem;color:var(--ink);background:var(--card);
  border:1.5px solid var(--line-strong);border-radius:11px;padding:12px 14px;transition:border-color .12s,box-shadow .12s}
input:focus,select:focus,textarea:focus{border-color:var(--brand);box-shadow:0 0 0 3px var(--brand-050);outline:none}
input.mono,textarea.mono{font-family:var(--font-mono)}
textarea{min-height:120px;resize:vertical;line-height:1.5}
.row{display:grid;gap:12px}
@media (min-width:560px){.row.cols-2{grid-template-columns:1fr 1fr}.row.cols-3{grid-template-columns:1fr 1fr 1fr}}
.inline{display:flex;gap:10px;flex-wrap:wrap;align-items:end}
.inline .field{flex:1 1 130px;margin-bottom:0}

/* Segmentit / tabit */
.seg{display:inline-flex;background:var(--card-2);border:1px solid var(--line);border-radius:12px;padding:4px;gap:4px;flex-wrap:wrap}
.seg button{border:none;background:transparent;color:var(--ink-soft);font-weight:650;font-size:.9rem;padding:8px 14px;border-radius:9px;cursor:pointer;font-family:inherit}
.seg button[aria-pressed="true"],.seg button.active{background:var(--card);color:var(--brand-ink);box-shadow:var(--shadow-sm)}
.tabs{display:flex;gap:6px;flex-wrap:wrap;margin-bottom:14px;border-bottom:1px solid var(--line);padding-bottom:2px}
.tabs button{border:none;background:transparent;color:var(--muted);font-weight:650;font-size:.92rem;padding:9px 12px;cursor:pointer;border-radius:9px 9px 0 0;border-bottom:2.5px solid transparent;font-family:inherit}
.tabs button.active{color:var(--brand-ink);border-bottom-color:var(--brand)}

/* Painikkeet */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font-family:inherit;font-weight:700;font-size:1rem;padding:13px 22px;border-radius:12px;border:1.5px solid transparent;cursor:pointer;transition:transform .06s,filter .12s,background .12s;text-decoration:none}
.btn:active{transform:translateY(1px)}
.btn-primary{background:linear-gradient(135deg,var(--brand),var(--brand-ink));color:#fff;box-shadow:var(--shadow-key)}
.btn-primary:hover{filter:brightness(1.05);text-decoration:none}
.btn-ghost{background:var(--card);color:var(--brand-ink);border-color:var(--brand-100)}
.btn-ghost:hover{background:var(--brand-050);text-decoration:none}
.btn-sm{padding:8px 14px;font-size:.9rem;border-radius:10px}
.btn-block{width:100%}
.btn-row{display:flex;gap:10px;flex-wrap:wrap;margin-top:8px}

/* Tuloslaatikko */
.result-box{margin-top:16px;background:var(--accent-050);border:1px solid #bfe8df;border-radius:var(--radius);padding:16px 18px}
.result-box.empty{background:var(--card-2);border-color:var(--line);color:var(--muted)}
.result-box .big{font-family:var(--font-mono);font-size:clamp(1.5rem,5vw,2rem);font-weight:600;color:var(--ink);word-break:break-word}
.result-box .sub{color:var(--ink-soft);font-size:.95rem;margin-top:2px}
.result-grid{display:grid;gap:10px;margin-top:10px}
@media (min-width:560px){.result-grid.cols-2{grid-template-columns:1fr 1fr}.result-grid.cols-3{grid-template-columns:repeat(3,1fr)}}
.stat{background:var(--card);border:1px solid var(--line);border-radius:11px;padding:11px 13px}
.stat .k{font-size:.78rem;color:var(--muted);text-transform:uppercase;letter-spacing:.04em;font-weight:700}
.stat .v{font-family:var(--font-mono);font-size:1.16rem;color:var(--ink);font-weight:600;margin-top:2px;word-break:break-word}
.error-msg{color:var(--warn);background:var(--warn-050);border:1px solid #f4c6c8;border-radius:10px;padding:10px 13px;font-size:.92rem;margin-top:10px}

/* Toimintopalkki tulokselle */
.actions{display:flex;gap:8px;flex-wrap:wrap;margin-top:14px}
.actions button{display:inline-flex;align-items:center;gap:6px;font-family:inherit;font-size:.86rem;font-weight:650;color:var(--ink-soft);background:var(--card);border:1px solid var(--line-strong);border-radius:999px;padding:7px 13px;cursor:pointer}
.actions button:hover{background:var(--brand-050);color:var(--brand-ink);border-color:var(--brand-100)}

/* Askeleet (avattava) */
details.steps{margin-top:12px;border:1px solid var(--line);border-radius:11px;background:var(--card-2);overflow:hidden}
details.steps>summary{cursor:pointer;font-weight:650;color:var(--brand-ink);padding:12px 15px;list-style:none}
details.steps>summary::-webkit-details-marker{display:none}
details.steps>summary::before{content:"▸ ";color:var(--brand)}
details.steps[open]>summary::before{content:"▾ "}
details.steps .body{padding:2px 15px 14px;font-size:.94rem}
details.steps .body ol{margin:.4em 0}
.calc-history{margin-top:14px}
.calc-history h4{margin:0 0 6px;font-size:.85rem;text-transform:uppercase;letter-spacing:.05em;color:var(--muted)}
.calc-history ul{list-style:none;padding:0;margin:0;max-height:180px;overflow:auto;border:1px solid var(--line);border-radius:11px}
.calc-history li{display:flex;justify-content:space-between;gap:10px;padding:8px 12px;border-bottom:1px solid var(--line);font-family:var(--font-mono);font-size:.86rem;cursor:pointer}
.calc-history li:last-child{border-bottom:none}
.calc-history li:hover{background:var(--brand-050)}
.calc-history .empty{color:var(--muted);font-family:var(--font-ui);cursor:default}

/* ============================ Sisältölohkot ============================ */
.section{padding:clamp(20px,4vw,34px) 0}
.section.alt{background:var(--card);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.prose{max-width:66ch}
.prose.wide{max-width:78ch}
.lead-block{font-size:1.05rem;color:var(--ink-soft)}

/* Taulukot */
.table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--radius);margin:1em 0}
table.data{width:100%;border-collapse:collapse;font-size:.93rem;min-width:460px}
table.data th,table.data td{padding:11px 14px;text-align:left;border-bottom:1px solid var(--line)}
table.data thead th{background:var(--card-2);color:var(--ink);font-weight:700;font-size:.86rem;white-space:nowrap}
table.data tbody tr:hover{background:var(--brand-050)}
table.data td.num{font-family:var(--font-mono);text-align:right}

/* Kortit / ruudukko */
.grid{display:grid;gap:var(--gap)}
.grid.c2{grid-template-columns:1fr}
.grid.c3{grid-template-columns:1fr}
.grid.c4{grid-template-columns:1fr 1fr}
@media (min-width:620px){.grid.c2{grid-template-columns:1fr 1fr}.grid.c3{grid-template-columns:1fr 1fr}}
@media (min-width:900px){.grid.c3{grid-template-columns:repeat(3,1fr)}.grid.c4{grid-template-columns:repeat(4,1fr)}}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:16px 18px;box-shadow:var(--shadow-sm)}
.card h3{margin-top:0}

/* Työkaluruudukko (hub) */
.tool-grid{display:grid;grid-template-columns:1fr;gap:12px}
@media (min-width:560px){.tool-grid{grid-template-columns:1fr 1fr}}
@media (min-width:900px){.tool-grid{grid-template-columns:repeat(3,1fr)}}
.tool-card{display:flex;gap:13px;align-items:flex-start;background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:15px 16px;box-shadow:var(--shadow-sm);transition:transform .12s,box-shadow .12s,border-color .12s}
.tool-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-md);border-color:var(--brand-100);text-decoration:none}
.tool-card .ic{flex:0 0 auto;width:42px;height:42px;border-radius:11px;display:grid;place-items:center;background:var(--brand-050);color:var(--brand-ink);font-family:var(--font-mono);font-weight:700;font-size:18px}
.tool-card .tc-body{min-width:0}
.tool-card .tc-title{font-weight:720;color:var(--ink);font-size:1rem;line-height:1.25}
.tool-card .tc-desc{color:var(--muted);font-size:.86rem;margin-top:2px}
.cat-chip{display:inline-block;font-size:.72rem;font-weight:700;color:var(--brand-ink);background:var(--brand-050);border:1px solid var(--brand-100);border-radius:999px;padding:2px 9px;margin:0 6px 6px 0}

/* Ingressit / callouts */
.note{border-left:4px solid var(--brand);background:var(--brand-050);border-radius:0 12px 12px 0;padding:13px 16px;margin:1em 0;font-size:.95rem}
.note.warn{border-left-color:var(--warn);background:var(--warn-050)}
.note.accent{border-left-color:var(--accent);background:var(--accent-050)}
.note strong{display:block;margin-bottom:2px}

/* FAQ */
.faq details{border:1px solid var(--line);border-radius:12px;background:var(--card);margin-bottom:10px;overflow:hidden}
.faq summary{cursor:pointer;font-weight:680;color:var(--ink);padding:15px 17px;list-style:none;display:flex;justify-content:space-between;gap:12px;align-items:center}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font-size:1.3rem;color:var(--brand);font-weight:400;transition:transform .2s}
.faq details[open] summary::after{transform:rotate(45deg)}
.faq .a{padding:0 17px 16px;color:var(--ink-soft);font-size:.96rem}
.faq .a p:last-child{margin-bottom:0}

/* Käyttäjäpalaute */
.reviews{display:grid;gap:14px}
@media (min-width:700px){.reviews{grid-template-columns:1fr 1fr}}
.review{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:16px 18px;box-shadow:var(--shadow-sm)}
.review .stars{color:#f2a900;letter-spacing:2px;font-size:.95rem}
.review p{margin:.5em 0;font-size:.95rem;color:var(--ink-soft)}
.review .who{font-size:.85rem;color:var(--muted);font-weight:600}

/* Related / sisäiset linkit */
.related{display:grid;grid-template-columns:1fr;gap:10px}
@media (min-width:560px){.related{grid-template-columns:1fr 1fr}}
@media (min-width:900px){.related{grid-template-columns:repeat(3,1fr)}}
.related a{display:block;padding:13px 15px;background:var(--card);border:1px solid var(--line);border-radius:12px;box-shadow:var(--shadow-sm);color:var(--ink);font-weight:640;transition:border-color .12s,transform .12s}
.related a:hover{border-color:var(--brand-100);transform:translateY(-1px);text-decoration:none;background:var(--brand-050)}
.related a small{display:block;color:var(--muted);font-weight:500;font-size:.82rem;margin-top:2px}

/* Tagipilvi */
.tags{display:flex;flex-wrap:wrap;gap:8px}
.tags a{font-size:.86rem;color:var(--brand-ink);background:var(--brand-050);border:1px solid var(--brand-100);padding:6px 12px;border-radius:999px}
.tags a:hover{background:var(--brand-100);text-decoration:none}

/* Mainospaikat (varattu AdSensea varten) */
.ad-slot{margin:var(--gap) auto;max-width:var(--wrap);padding-inline:var(--pad-x)}
.ad-slot .ad-inner{min-height:90px;display:grid;place-items:center;border:1px dashed var(--line-strong);border-radius:12px;color:var(--muted);font-size:.8rem;background:repeating-linear-gradient(45deg,transparent,transparent 12px,rgba(0,0,0,.012) 12px,rgba(0,0,0,.012) 24px)}
.ad-slot[data-ad]:empty{display:none}

/* ============================ Footer ==================================== */
.site-footer{background:var(--ink);color:#c6d2e6;margin-top:clamp(30px,6vw,56px);padding:clamp(28px,5vw,46px) 0 22px;font-size:.92rem}
.site-footer a{color:#cdd9ee}
.site-footer a:hover{color:#fff}
.foot-grid{display:grid;grid-template-columns:1fr;gap:26px}
@media (min-width:640px){.foot-grid{grid-template-columns:1.4fr 1fr 1fr}}
@media (min-width:960px){.foot-grid{grid-template-columns:1.6fr 1fr 1fr 1fr}}
.foot-brand .logo{width:34px;height:34px;border-radius:9px;background:linear-gradient(135deg,var(--brand),#3f7de8);display:grid;place-items:center;color:#fff;font-family:var(--font-mono);font-weight:700;margin-bottom:10px}
.foot-brand p{color:#9fb0cc;max-width:34ch}
.foot-col h4{color:#fff;font-size:.82rem;text-transform:uppercase;letter-spacing:.07em;margin:0 0 12px}
.foot-col ul{list-style:none;padding:0;margin:0}
.foot-col li{margin:.42em 0}
.foot-bottom{border-top:1px solid rgba(255,255,255,.1);margin-top:30px;padding-top:18px;display:flex;flex-wrap:wrap;gap:10px 20px;justify-content:space-between;align-items:center;color:#8ea1c0;font-size:.85rem}
.foot-bottom nav{display:flex;flex-wrap:wrap;gap:14px}

/* Evästeilmoitus */
.cookie{position:fixed;left:12px;right:12px;bottom:12px;z-index:150;background:var(--ink);color:#dbe4f2;border-radius:14px;box-shadow:0 10px 40px rgba(0,0,0,.35);padding:16px 18px;display:none;gap:14px;align-items:center;flex-wrap:wrap;max-width:640px;margin-inline:auto}
.cookie.show{display:flex}
.cookie p{margin:0;font-size:.88rem;flex:1 1 260px;color:#c6d2e6}
.cookie .c-actions{display:flex;gap:8px;flex-wrap:wrap}

/* 404 */
.err-hero{text-align:center;padding:clamp(40px,10vw,90px) 0 20px}
.err-hero .code{font-family:var(--font-mono);font-size:clamp(3.6rem,16vw,7rem);font-weight:700;color:var(--brand);line-height:1;letter-spacing:-.03em}
.err-hero p{max-width:48ch;margin-inline:auto}

/* Apuluokat */
.center{text-align:center}
.mt0{margin-top:0}.mb0{margin-bottom:0}
.muted{color:var(--muted)}
.nowrap{white-space:nowrap}
.pill{display:inline-block;font-size:.76rem;font-weight:700;padding:3px 10px;border-radius:999px;background:var(--card-2);border:1px solid var(--line);color:var(--ink-soft)}
.updated{font-size:.82rem;color:var(--muted);margin-top:6px}
.two-col{display:grid;gap:var(--gap)}
@media (min-width:860px){.two-col{grid-template-columns:1fr 1fr}}
.canvas-wrap{border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:var(--card)}
.canvas-wrap canvas{display:block;width:100%;touch-action:none;background:var(--card)}
.legend{display:flex;flex-wrap:wrap;gap:12px;margin-top:10px;font-size:.86rem}
.legend .item{display:flex;align-items:center;gap:6px}
.legend .swatch{width:14px;height:4px;border-radius:2px}

/* ==========================================================================
   Lisäkomponentit (generaattorin sisältölohkot)
   ========================================================================== */

/* Ohjeaskeleet (How-to) */
.steps-list{list-style:none;counter-reset:step;margin:.4em 0 1em;padding:0}
.steps-list>li{counter-increment:step;position:relative;padding:2px 0 12px 42px;margin:0}
.steps-list>li::before{content:counter(step);position:absolute;left:0;top:0;width:28px;height:28px;
  display:grid;place-items:center;border-radius:50%;background:var(--brand);color:#fff;
  font-family:var(--font-mono);font-weight:700;font-size:.9rem;box-shadow:var(--shadow-sm)}
.steps-list>li:not(:last-child)::after{content:"";position:absolute;left:13px;top:30px;bottom:2px;
  width:2px;background:var(--brand-100)}
.steps-list>li strong{color:var(--ink)}
.steps-list code{background:var(--brand-050);border:1px solid var(--brand-100);border-radius:6px;
  padding:1px 5px;font-family:var(--font-mono);font-size:.86em}

/* Rasti-lista */
.ticks{list-style:none;margin:.4em 0 1em;padding:0}
.ticks>li{position:relative;padding:4px 0 4px 30px;margin:0}
.ticks>li::before{content:"";position:absolute;left:2px;top:9px;width:11px;height:6px;
  border-left:2.5px solid var(--accent);border-bottom:2.5px solid var(--accent);transform:rotate(-45deg)}

/* Tool-kortit tekstimuodossa (nimi + kuvaus, ei ikonia) -> pystysuunta */
.tool-card{flex-direction:column;gap:3px}
.tool-card .tc-name{display:block;font-weight:720;color:var(--ink);font-size:1rem;line-height:1.28}
.tool-card .tc-desc{display:block}
.tool-grid.tight{grid-template-columns:repeat(2,1fr)}
@media (min-width:620px){.tool-grid.tight{grid-template-columns:repeat(3,1fr)}}

/* Neljän sarakkeen rivi kapeille tilastoruuduille */
.row.cols-4{display:grid;grid-template-columns:1fr 1fr;gap:var(--gap)}
@media (min-width:620px){.row.cols-4{grid-template-columns:repeat(4,1fr)}}

/* Sisältötaulukot */
table.data{width:100%;border-collapse:collapse;font-size:.92rem}
table.data th,table.data td{text-align:left;padding:9px 12px;border-bottom:1px solid var(--line)}
table.data thead th{background:var(--card-2);color:var(--ink);font-weight:700;
  border-bottom:2px solid var(--line-strong);white-space:nowrap}
table.data tbody tr:last-child td{border-bottom:none}
table.data tbody tr:nth-child(even){background:var(--card-2)}

/* Sivukartta */
.sitemap-grid{display:grid;grid-template-columns:1fr;gap:22px;margin-top:6px}
@media (min-width:560px){.sitemap-grid{grid-template-columns:1fr 1fr}}
@media (min-width:900px){.sitemap-grid{grid-template-columns:repeat(3,1fr)}}
.sitemap-col h3{font-size:1rem;margin:0 0 8px;color:var(--brand-ink)}
.sitemap-col ul{list-style:none;margin:0;padding:0}
.sitemap-col li{padding:3px 0}
.sitemap-col a{color:var(--ink-soft)}
.sitemap-col a:hover{color:var(--brand)}

/* Pienennetty hero (tukisivut) */
.hero.small{padding-bottom:2px}
.hero.small h1{margin-bottom:.1em}

/* ==========================================================================
   Suostumusbanneri (CMP) + historian otsikko
   ========================================================================== */
.cookie .c-body{max-width:none}
.cookie .c-prefs{display:grid;gap:8px;margin-top:12px;padding-top:12px;border-top:1px solid var(--line)}
.cookie .c-pref{display:flex;align-items:flex-start;gap:9px;font-size:.9rem;color:var(--ink-soft);cursor:pointer}
.cookie .c-pref input{margin-top:3px;flex:0 0 auto;width:16px;height:16px;accent-color:var(--brand)}
.cookie .c-pref span strong{color:var(--ink)}
.cookie .c-actions{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}
.calc-history .ch-title{font-size:.82rem;font-weight:700;letter-spacing:.02em;text-transform:uppercase;color:var(--muted);margin-bottom:6px}

/* ==========================================================================
   Blogi & artikkelit
   ========================================================================== */
.post-grid{display:grid;grid-template-columns:1fr;gap:16px;margin-top:8px}
@media (min-width:620px){.post-grid{grid-template-columns:1fr 1fr}}
.post-card{display:flex;flex-direction:column;gap:6px;background:var(--card);border:1px solid var(--line);
  border-radius:var(--radius);padding:20px;box-shadow:var(--shadow-sm);transition:transform .12s,box-shadow .12s,border-color .12s}
.post-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-md);border-color:var(--brand-100);text-decoration:none}
.post-card .pc-tag{align-self:flex-start;font-size:.72rem;font-weight:700;letter-spacing:.04em;text-transform:uppercase;
  color:var(--brand-ink);background:var(--brand-050);border:1px solid var(--brand-100);padding:3px 10px;border-radius:999px}
.post-card .pc-title{font-size:1.16rem;font-weight:760;color:var(--ink);line-height:1.25}
.post-card .pc-ex{color:var(--ink-soft);font-size:.95rem}
.post-card .pc-more{color:var(--brand);font-weight:700;font-size:.9rem;margin-top:2px}
.post-meta{color:var(--muted);font-size:.85rem;margin-top:6px}
.post .toc{background:var(--card-2);border:1px solid var(--line);border-radius:var(--radius);padding:16px 20px;margin:6px auto 0;max-width:var(--wrap)}
.post .toc-h{font-size:.82rem;text-transform:uppercase;letter-spacing:.04em;color:var(--muted);margin:0 0 8px}
.post .toc ol{margin:0;padding-left:20px;columns:2;column-gap:24px}
@media (max-width:560px){.post .toc ol{columns:1}}
.post .toc a{color:var(--ink-soft)}
.post .toc a:hover{color:var(--brand)}
.post section{scroll-margin-top:80px}