/* Openfactory Nordic — v3. Colour and type tokens follow freetransit.net
   (Finnish blue, Rubik + Fira Mono, light-dark surfaces). */
@font-face{font-family:Rubik;src:url(assets/fonts/Rubik-Regular.ttf) format("truetype");font-weight:400;font-display:swap}
@font-face{font-family:Rubik;src:url(assets/fonts/Rubik-Bold.ttf) format("truetype");font-weight:700;font-display:swap}
@font-face{font-family:"Fira Mono";src:url(assets/fonts/FiraMono-Regular.woff2) format("woff2");font-weight:400;font-display:swap}
@font-face{font-family:"Fira Mono";src:url(assets/fonts/FiraMono-Medium.woff2) format("woff2");font-weight:500;font-display:swap}

:root{
  color-scheme:light dark;
  --fi-blue:#18447e;--fi-blue-deep:#002f6c;
  --content-width:1180px;--reading-width:760px;
  --radius-small:4px;--radius-medium:6px;
  --page-background:light-dark(#f4f6f9,#0b1220);
  --surface-primary:light-dark(#ffffff,#121b2c);
  --surface-secondary:light-dark(#edf1f6,#18233a);
  --text-primary:light-dark(#0e1a2b,#eef2f8);
  --text-secondary:light-dark(#46536a,#c2ccda);
  --text-muted:light-dark(#5a6679,#9fadc1);
  --border-primary:light-dark(#d5dce6,#2b3a55);
  --border-strong:light-dark(#9aa7b8,#4a5b78);
  --link:light-dark(var(--fi-blue),#9bbdf0);
  --link-hover:light-dark(var(--fi-blue-deep),#c4d8f5);
  --brand:light-dark(var(--fi-blue),#8db4ea);
  --action-bg:light-dark(var(--fi-blue),#2f64ae);
  --action-bg-hover:light-dark(var(--fi-blue-deep),#3b73c0);
  --chrome-bg:light-dark(var(--fi-blue-deep),#07152b);
  --chrome-surface:light-dark(#0b3a7a,#0f2242);
  --chrome-border:light-dark(#23518d,#1e3354);
  --chrome-text-2:light-dark(#d5e1f0,#c9d6e8);
  --chrome-muted:light-dark(#b3c6de,#9fb3cf);
  --sans:Rubik,"Helvetica Neue",Arial,sans-serif;
  --mono:"Fira Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
}
:root[data-theme="light"]{color-scheme:light}
:root[data-theme="dark"]{color-scheme:dark}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;background:var(--page-background);color:var(--text-primary);font:400 1.0625rem/1.6 var(--sans)}
img{max-width:100%;height:auto;display:block}
a{color:var(--link);text-underline-offset:.18em}
a:hover{color:var(--link-hover)}
:focus-visible{outline:3px solid var(--brand);outline-offset:2px;border-radius:2px}
.wrap{max-width:var(--content-width);margin:0 auto;padding:0 16px}
@media(min-width:720px){.wrap{padding:0 32px}}
.skip{position:absolute;left:-999px;top:8px;background:#fff;color:#000;padding:8px 12px;z-index:10}
.skip:focus{left:8px}
.mono,.kicker,.tag,.num{font-family:var(--mono)}
.kicker{font-size:.78rem;letter-spacing:.06em;color:var(--brand);margin:0 0 .75rem}
h1,h2,h3{line-height:1.15;margin:0 0 .6em;font-weight:700;letter-spacing:-.01em}
h1{font-size:clamp(2rem,5.2vw,3.4rem)}
h2{font-size:clamp(1.6rem,3.4vw,2.3rem)}
h3{font-size:1.2rem}
p{margin:0 0 1em}

/* Header / chrome */
.site-header{background:var(--chrome-bg);color:#fff;border-bottom:1px solid var(--chrome-border)}
.site-header .wrap{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:80px}
.brand img{height:34px;width:auto}
.nav{display:flex;flex-wrap:wrap;gap:4px 20px;font-size:.95rem}
.nav a{color:var(--chrome-text-2);text-decoration:none;padding:6px 0}
.nav a:hover{color:#fff;text-decoration:underline}
@media(max-width:640px){.nav .hide-s{display:none}.nav{gap:4px 14px;flex-wrap:nowrap}.nav .hide-xs{display:none}}

/* Hero */
.hero{background:var(--chrome-bg);color:#fff;padding:56px 0 72px}
.hero .kicker{color:var(--chrome-muted)}
.hero h1{max-width:20ch}
.hero .lead{font-size:1.2rem;color:var(--chrome-text-2);max-width:62ch}
.actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.btn{display:inline-block;padding:12px 20px;border-radius:var(--radius-medium);font-weight:700;text-decoration:none;border:1px solid transparent}
.btn-primary{background:#fff;color:var(--fi-blue-deep)}
.btn-primary:hover{background:#e6eef9;color:var(--fi-blue-deep)}
.btn-ghost{color:#fff;border-color:var(--chrome-border)}
.btn-ghost:hover{background:var(--chrome-surface);color:#fff}
.btn-solid{background:var(--action-bg);color:#fff}
.btn-solid:hover{background:var(--action-bg-hover);color:#fff}

/* Path cards (FreeTransit "Choose your path") */
.paths{margin-top:-40px}
.cards{display:grid;gap:16px;grid-template-columns:1fr}
@media(min-width:860px){.cards{grid-template-columns:repeat(3,1fr)}}
.card{background:var(--surface-primary);border:1px solid var(--border-primary);border-radius:var(--radius-medium);padding:24px;display:flex;flex-direction:column}
.card .num{font-size:.78rem;letter-spacing:.08em;color:var(--brand);margin-bottom:10px}
.card p{color:var(--text-secondary)}
.card .more{margin-top:auto;font-weight:700}

section{padding:64px 0}
.section-head{max-width:var(--reading-width);margin-bottom:32px}
.section-head p{color:var(--text-secondary)}
.alt{background:var(--surface-secondary);border-top:1px solid var(--border-primary);border-bottom:1px solid var(--border-primary)}

/* Services */
.services{display:grid;gap:0;grid-template-columns:1fr;border-top:1px solid var(--border-primary)}
@media(min-width:860px){.services{grid-template-columns:1fr 1fr;column-gap:48px}}
.service{padding:24px 0;border-bottom:1px solid var(--border-primary)}
.service h3{display:flex;gap:12px;align-items:baseline}
.service h3 .num{font-size:.8rem;color:var(--brand);font-weight:500}
.service p{color:var(--text-secondary);margin-bottom:.8em}
.tags{display:flex;flex-wrap:wrap;gap:6px;list-style:none;margin:0;padding:0}
.tag{font-size:.75rem;padding:3px 8px;border:1px solid var(--border-primary);border-radius:var(--radius-small);background:var(--surface-secondary);color:var(--text-secondary)}

/* Way of working */
.steps{list-style:none;margin:0;padding:0;display:grid;gap:16px;grid-template-columns:1fr}
@media(min-width:720px){.steps{grid-template-columns:1fr 1fr}}
.steps li{background:var(--surface-primary);border:1px solid var(--border-primary);border-left:4px solid var(--brand);border-radius:var(--radius-small);padding:18px 20px}
.steps strong{display:block;margin-bottom:4px}
.steps span{color:var(--text-secondary)}

/* Network block */
.netgrid{display:grid;gap:32px;grid-template-columns:1fr}
@media(min-width:860px){.netgrid{grid-template-columns:1.3fr 1fr}}
.facts{margin:0;background:var(--surface-primary);border:1px solid var(--border-primary);border-radius:var(--radius-medium);padding:8px 20px}
.facts div{display:grid;grid-template-columns:9.5rem 1fr;gap:12px;padding:12px 0;border-bottom:1px solid var(--border-primary)}
.facts div:last-child{border-bottom:0}
.facts dt{font-family:var(--mono);font-size:.8rem;color:var(--text-muted);padding-top:2px}
.facts dd{margin:0}
@media(max-width:420px){.facts div{grid-template-columns:1fr;gap:2px}}

/* Company */
.company{display:grid;gap:32px;grid-template-columns:1fr;align-items:start}
@media(min-width:860px){.company{grid-template-columns:1fr 1.4fr}}
.company figure{margin:0}
.company img{border-radius:var(--radius-medium);border:1px solid var(--border-primary)}
.company figcaption{font-size:.85rem;color:var(--text-muted);margin-top:8px}
.note{border:1px solid var(--border-strong);border-radius:var(--radius-medium);padding:16px 20px;background:var(--surface-primary)}

/* Contact */
.contact{background:var(--chrome-bg);color:#fff}
.contact p{color:var(--chrome-text-2);max-width:62ch}
.contact .kicker{color:var(--chrome-muted)}
.mail{font-family:var(--mono);font-size:clamp(1.1rem,3vw,1.5rem);color:#fff;word-break:break-all}

/* Footer */
.site-footer{background:var(--chrome-bg);color:var(--chrome-muted);border-top:1px solid var(--chrome-border);padding:32px 0;font-size:.9rem}
.site-footer .wrap{display:flex;flex-wrap:wrap;gap:16px 40px;justify-content:space-between}
.site-footer a{color:var(--chrome-text-2)}
.site-footer dl{margin:0;display:grid;grid-template-columns:auto 1fr;gap:2px 16px}
.site-footer dt{font-family:var(--mono);font-size:.78rem}
.site-footer dd{margin:0;color:var(--chrome-text-2)}

/* Text pages */
.page{max-width:var(--reading-width)}
.page h2{font-size:1.35rem;margin-top:1.6em}
.hero-note{margin-top:20px;font-size:.95rem;color:var(--chrome-muted);border-left:3px solid var(--chrome-border);padding-left:12px;max-width:62ch}
.contact .mail{color:#fff}.contact a{color:#fff}
.wordmark{display:flex;align-items:center;gap:12px;color:#fff;text-decoration:none}
.wordmark img{height:44px;width:auto}
.chain{list-style:none;margin:0;padding:0;display:grid;gap:16px;grid-template-columns:1fr;counter-reset:c}
@media(min-width:860px){.chain{grid-template-columns:repeat(4,1fr)}}
.chain li{background:var(--surface-primary);border:1px solid var(--border-primary);border-top:4px solid var(--brand);border-radius:var(--radius-small);padding:18px 20px}
.chain strong{display:block;margin-bottom:6px}
.chain span{color:var(--text-secondary);font-size:.98rem}
.card .h3{font-size:1.2rem;margin:0 0 .6em}
@media(max-width:640px){.wordmark img{height:32px}}
.nb{display:none}

/* v4 layout (mockup round, 20 Oct) */
.hero-photo{position:relative;background:
  linear-gradient(90deg,rgba(0,26,64,.92) 0%,rgba(0,32,76,.7) 42%,rgba(0,32,76,.12) 100%),
  url(assets/turku.webp) center 62%/cover no-repeat,var(--chrome-bg);
  padding:88px 0 96px}
@media(max-width:720px){.hero-photo{background:
  linear-gradient(180deg,rgba(0,26,64,.9),rgba(0,32,76,.8)),url(assets/turku-1200.webp) center 70%/cover no-repeat,var(--chrome-bg);padding:56px 0 64px}}
.motto{font-size:clamp(1.25rem,2.4vw,1.6rem);line-height:1.35;font-weight:700;color:#fff;max-width:34ch;margin:0 0 .6em}
.hero .lead{font-size:1.1rem}
.cards-4{grid-template-columns:1fr}
@media(min-width:640px){.cards-4{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1000px){.cards-4{grid-template-columns:repeat(4,1fr)}}
.cards-3{grid-template-columns:1fr}
@media(min-width:640px){.cards-3{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1000px){.cards-3{grid-template-columns:repeat(3,1fr)}}
.card h3{font-size:1.1rem;margin:0 0 .5em}
.card p{margin:0}
.icon{width:30px;height:30px;fill:none;stroke:var(--brand);stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round;margin-bottom:12px}
.chain-grid{display:grid;gap:32px;grid-template-columns:1fr;align-items:center}
@media(min-width:960px){.chain-grid{grid-template-columns:1fr 1.1fr}}
.chain-grid p{color:var(--text-secondary);max-width:62ch}
.chain-steps{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:8px 0;justify-content:space-between}
.chain-steps li{flex:1 1 90px;display:flex;flex-direction:column;align-items:center;text-align:center;font-size:.9rem;color:var(--text-secondary);position:relative;padding:0 6px}
.chain-steps li .icon{width:36px;height:36px;margin-bottom:8px}
.chain-steps li+li::before{content:"";position:absolute;left:-10px;top:18px;width:20px;border-top:2px solid var(--border-strong)}
@media(max-width:520px){.chain-steps li+li::before{display:none}}
.dark{background:var(--chrome-bg);color:#fff}
.dark h2{color:#fff}
.dark .card{background:var(--chrome-surface);border-color:var(--chrome-border)}
.dark .card h3{color:#fff}
.dark .card p{color:var(--chrome-text-2)}
.stories{display:grid;gap:24px;grid-template-columns:1fr}
@media(min-width:900px){.stories{grid-template-columns:1fr 1fr}}
.story{background:var(--surface-primary);border:1px solid var(--border-primary);border-top:4px solid var(--brand);border-radius:var(--radius-medium);padding:24px}
.story p{color:var(--text-secondary)}
.story a{font-weight:700}
.route{font-family:var(--mono);font-size:.8rem;color:var(--text-muted)!important}
.note-line{margin-top:24px;color:var(--text-secondary);max-width:70ch}
.contact h2{max-width:24ch}
.btn-ghost{border-color:rgba(255,255,255,.55)}
.hero .kicker{color:#d5e1f0}