/* Karjalan Konepaja Oy — tyylit. Brändi: valkoinen / musta / punainen. Ei ulkoisia riippuvuuksia. */

:root {
  --red: #e4002b;
  --red-dark: #b80022;
  --black: #111111;
  --ink: #1a1a1a;
  --muted: #5b5f66;
  --line: #e4e6ea;
  --bg: #ffffff;
  --bg-soft: #f5f6f8;
  --white: #ffffff;
  --maxw: 1140px;
  --radius: 6px;
  --shadow: 0 1px 3px rgba(0, 0, 0, 0.08), 0 6px 20px rgba(0, 0, 0, 0.05);
  --font: system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font);
  color: var(--ink);
  background: var(--bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3 { line-height: 1.2; color: var(--black); font-weight: 800; letter-spacing: -0.01em; }
h1 { font-size: clamp(2rem, 4.4vw, 3.3rem); line-height: 1.07; letter-spacing: -0.02em; margin: 0 0 0.4em; }
h2 { font-size: clamp(1.4rem, 2.6vw, 2rem); margin: 0 0 0.6em; }
h3 { font-size: 1.15rem; margin: 0 0 0.4em; }

a { color: var(--red); text-decoration: none; }
a:hover { text-decoration: underline; }

a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible, select:focus-visible, label:focus-visible, [tabindex]:focus-visible {
  outline: 2px solid var(--red);
  outline-offset: 2px;
  border-radius: 2px;
}
::selection { background: var(--red); color: #fff; }

img { max-width: 100%; height: auto; display: block; }

.container { width: 100%; max-width: var(--maxw); margin-inline: auto; padding-inline: 20px; }

.section { padding: clamp(3.5rem, 7vw, 6.5rem) 0; }
.bg-soft { background: var(--bg-soft); }
.kicker { display: block; color: var(--red); font-weight: 700; text-transform: uppercase; letter-spacing: 0.09em; font-size: 0.78rem; margin-bottom: 0.7rem; }
.section > .container > h2 { margin-bottom: 0.2em; }

.lead { font-size: 1.2rem; color: var(--muted); max-width: 65ch; }
.muted { color: var(--muted); }
.small { font-size: 0.85rem; }

/* Skip link */
.skip-link {
  position: absolute; left: -999px; top: 0; background: var(--red); color: #fff;
  padding: 10px 16px; z-index: 100;
}
.skip-link:focus { left: 8px; top: 8px; }

/* Header */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: saturate(1.2) blur(6px);
  border-bottom: 1px solid var(--line);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; min-height: 72px; gap: 1rem; }
.brand { display: inline-flex; align-items: center; }
.brand img { display: block; height: 54px; width: auto; }
@media (max-width: 640px) { .brand img { height: 46px; } }
.main-nav { display: flex; align-items: center; gap: clamp(0.75rem, 2vw, 1.75rem); }
.main-nav > a { color: var(--black); font-weight: 600; text-decoration: none; padding: 6px 2px; border-bottom: 2px solid transparent; }
.main-nav > a:hover { color: var(--red); text-decoration: none; }
.main-nav > a[aria-current="page"] { border-bottom-color: var(--red); color: var(--red); }
.lang-toggle {
  border: 1.5px solid var(--black) !important; border-radius: 4px; padding: 6px 12px !important;
  font-weight: 700; text-transform: uppercase; font-size: 0.8rem; letter-spacing: 0.03em;
}
.lang-toggle:hover { background: var(--black); color: #fff !important; }
.nav-toggle, .nav-burger { display: none; }

/* Hero */
.hero {
  position: relative;
  color: #fff;
  min-height: clamp(480px, 74vh, 700px);
  display: flex;
  align-items: center;
  padding: 3rem 0;
  background-image: linear-gradient(90deg, rgba(12,12,12,0.94) 0%, rgba(12,12,12,0.80) 46%, rgba(12,12,12,0.45) 100%), url("/content/images/site/hero.jpg");
  background-size: cover; background-position: center;
}
.hero-eyebrow { display: inline-block; color: #fff; font-weight: 700; text-transform: uppercase; letter-spacing: 0.14em; font-size: 0.76rem; margin-bottom: 1.1rem; }
.hero-eyebrow::before { content: ""; display: inline-block; width: 30px; height: 2px; background: var(--red); vertical-align: middle; margin-right: 12px; margin-bottom: 3px; }
.hero h1 { color: #fff; max-width: 18ch; }
.hero .lead { color: #e3e5e9; max-width: 56ch; }
.hero-cta { display: flex; flex-wrap: wrap; gap: 0.9rem; margin-top: 1.8rem; }

/* Buttons */
.btn {
  display: inline-block; padding: 0.9rem 1.7rem; border-radius: var(--radius);
  font-weight: 700; text-decoration: none; cursor: pointer; border: 2px solid transparent;
  transition: transform 0.05s ease, background 0.15s ease, box-shadow 0.15s ease;
}
.btn-primary:hover { box-shadow: 0 6px 20px rgba(226, 0, 26, 0.28); }
.btn:hover { text-decoration: none; }
.btn:active { transform: translateY(1px); }
.btn-primary { background: var(--red); color: #fff; }
.btn-primary:hover { background: var(--red-dark); color: #fff; }
.btn-ghost { border-color: currentColor; color: inherit; background: transparent; }
.hero .btn-ghost { color: #fff; }
.section .btn-ghost { color: var(--black); }

/* Trust badges */
.trust { padding: clamp(2rem, 4vw, 3rem) 0; border-bottom: 1px solid var(--line); }
.trust-label { text-align: center; text-transform: uppercase; letter-spacing: 0.1em; font-size: 0.76rem; color: var(--muted); margin: 0 0 1.6rem; }
.trust-badges { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: clamp(2rem, 5vw, 4rem); align-items: center; justify-content: center; }
.trust-badges img { width: 118px; height: 118px; object-fit: contain; opacity: 0.96; transition: transform 0.2s, opacity 0.2s; }
.trust-badges img:hover { opacity: 1; transform: scale(1.05); }
@media (max-width: 640px) { .trust-badges img { width: 92px; height: 92px; } }

/* Services */
.service-grid { list-style: none; margin: 1.5rem 0 0; padding: 0; display: grid; gap: 1.2rem; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); }
.service { background: #fff; border: 1px solid var(--line); border-radius: 10px; padding: 1.6rem; border-top: 3px solid var(--red); transition: transform 0.16s ease, box-shadow 0.16s ease; }
.service:hover { transform: translateY(-3px); box-shadow: var(--shadow); }
.service h3 { margin-bottom: 0.3rem; }
.service p { margin: 0; color: var(--muted); }

/* About + stats */
.about-grid { display: grid; grid-template-columns: 1.5fr 1fr; gap: clamp(2rem, 5vw, 4rem); align-items: center; }
.stats { list-style: none; margin: 0; padding: 1.8rem; display: grid; grid-template-columns: 1fr 1fr; gap: 1.5rem 1.2rem; background: #fff; border: 1px solid var(--line); border-radius: 10px; box-shadow: var(--shadow); }
.stat { display: block; }
.stat b { display: block; font-size: 1.9rem; line-height: 1.1; color: var(--red); letter-spacing: -0.02em; }
.stat span { font-size: 0.88rem; color: var(--muted); }
@media (max-width: 800px) { .about-grid { grid-template-columns: 1fr; } }

/* FAQ (UKK) */
.container-narrow { max-width: 800px; }
.faq-list { display: flex; flex-direction: column; gap: 0.75rem; margin-top: 1.75rem; }
.faq-item { border: 1px solid var(--line); border-radius: 10px; background: #fff; padding: 0 1.25rem; transition: border-color 0.15s, box-shadow 0.15s; }
.faq-item[open] { border-color: #d7d9de; box-shadow: 0 6px 20px rgba(17, 17, 17, 0.05); }
.faq-item summary { list-style: none; cursor: pointer; font-weight: 700; padding: 1.05rem 2rem 1.05rem 0; position: relative; }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after { content: "+"; position: absolute; right: 0; top: 50%; transform: translateY(-50%); font-size: 1.5rem; font-weight: 400; color: var(--red); line-height: 1; transition: transform 0.2s; }
.faq-item[open] summary::after { content: "−"; }
.faq-item summary:focus-visible { outline: 2px solid var(--red); outline-offset: 3px; border-radius: 4px; }
.faq-item p { margin: 0 0 1.15rem; color: var(--muted); max-width: 68ch; }

/* CTA band */
.cta { background: var(--black); color: #fff; text-align: center; padding: clamp(3rem, 6vw, 5.5rem) 0; }
.cta h2 { color: #fff; }
.cta p { color: #cfd2d7; max-width: 52ch; margin: 0 auto 1.8rem; font-size: 1.1rem; }

/* Prose */
.prose { max-width: 72ch; }
.prose p, .prose ul, .prose ol { margin: 0 0 1rem; }
.prose a { text-decoration: underline; text-underline-offset: 3px; text-decoration-thickness: 1px; }
.prose h2 { margin-top: 2rem; }
.prose img { border-radius: var(--radius); margin: 1.5rem 0; }

/* Card grids */
.card-grid { display: grid; gap: 1.4rem; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); margin-top: 1.5rem; }
.card { background: #fff; border: 1px solid var(--line); border-radius: 10px; overflow: hidden; box-shadow: var(--shadow); transition: transform 0.16s ease, box-shadow 0.16s ease; }
.card:hover { transform: translateY(-3px); box-shadow: 0 10px 34px rgba(0, 0, 0, 0.10); }
.ref-card { display: block; text-decoration: none; color: var(--black); }
.ref-card img { aspect-ratio: 3 / 2; object-fit: cover; width: 100%; }
.ref-card:hover { text-decoration: none; }
.ref-card .card-title { display: block; padding: 0.9rem 1rem; font-weight: 700; }
.news-card, .job-card { padding: 1.3rem; }
.news-card time { color: var(--red); font-weight: 700; font-size: 0.85rem; }
.news-card h3 { margin: 0.3rem 0; }
.job-card h3 { margin: 0; }
.read-more { font-weight: 700; display: inline-block; transition: transform 0.15s ease; }
.read-more:hover { transform: translateX(3px); text-decoration: none; }

/* Gallery */
.gallery { display: grid; gap: 0.8rem; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); margin: 1.5rem 0; }
.gallery img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; border-radius: var(--radius); }

/* Definition/meta list */
.meta-list { display: flex; flex-wrap: wrap; gap: 1.5rem; margin: 1rem 0 1.5rem; padding: 0; }
.meta-list dt { font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.04em; color: var(--muted); }
.meta-list dd { margin: 0; font-weight: 700; }

.breadcrumb { font-size: 0.9rem; margin-bottom: 1rem; }
.article-meta { color: var(--muted); }

.contact-box { background: var(--bg-soft); border-left: 3px solid var(--red); padding: 1.2rem 1.4rem; border-radius: var(--radius); margin-top: 2rem; }
.contact-box h2 { font-size: 1.1rem; margin-bottom: 0.4rem; }

/* Contact */
.contact-grid { display: grid; gap: 2rem; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); margin-bottom: 2.5rem; }
.loc-list, .person-list { list-style: none; padding: 0; margin: 0; display: grid; gap: 1.2rem; }
.loc-list li, .person-list li { display: grid; gap: 2px; }
.person strong { font-size: 1.05rem; }

/* Forms */
.contact-form { display: grid; gap: 1rem; max-width: 560px; }
.contact-form label { display: grid; gap: 0.3rem; font-weight: 600; }
.contact-form input, .contact-form textarea {
  font: inherit; padding: 0.7rem 0.8rem; border: 1px solid #c7cad0; border-radius: var(--radius); width: 100%;
}
.contact-form input:focus, .contact-form textarea:focus { outline: 2px solid var(--red); border-color: var(--red); }
.hp { position: absolute; left: -9999px; height: 0; overflow: hidden; }

/* Footer */
.site-footer { background: var(--black); color: #d6d8dc; margin-top: 0; padding: 3rem 0 1.5rem; }
.footer-grid { display: grid; gap: 2rem; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); }
.site-footer h2.footer-h { color: #fff; font-size: 1rem; text-transform: uppercase; letter-spacing: 0.05em; margin-bottom: 0.8rem; }
.site-footer a { color: #fff; }
.site-footer a:hover { color: var(--red); text-decoration: none; }
.footer-locs { list-style: none; padding: 0; margin: 0; display: grid; gap: 1rem; }
.footer-tagline { color: #b9bcc2; max-width: 30ch; }
.footer-bottom { border-top: 1px solid #2a2a2a; margin-top: 2rem; padding-top: 1.2rem; font-size: 0.85rem; color: #9aa0a8; }

/* Mobile nav */
@media (max-width: 820px) {
  .nav-burger {
    display: block; width: 44px; height: 44px; cursor: pointer; position: relative;
  }
  .nav-burger span, .nav-burger span::before, .nav-burger span::after {
    content: ""; position: absolute; left: 9px; right: 9px; height: 2px; background: var(--black); transition: 0.2s;
  }
  .nav-burger span { top: 21px; }
  .nav-burger span::before { top: -7px; }
  .nav-burger span::after { top: 7px; }
  .main-nav {
    position: absolute; top: 72px; left: 0; right: 0; background: #fff; border-bottom: 1px solid var(--line);
    flex-direction: column; align-items: stretch; gap: 0; padding: 0.5rem 20px 1rem; display: none;
  }
  .main-nav > a { padding: 0.7rem 0; border-bottom: 1px solid var(--line); }
  .nav-toggle:checked ~ .main-nav { display: flex; }
  .lang-toggle { margin-top: 0.6rem; text-align: center; }
}