/*
 * styles.css - JC Trykluft mockup
 * Stilark for hele sitet. Industriel/teknisk profil med dæmpet farveholdning,
 * kraftig typografi og rolige sektioner. Ingen animations-bling - signalerer
 * faglighed frem for "fancy". Mobile-first med få breakpoints.
 */

/* ---------- Design tokens ---------- */
:root {
  --c-ink:        #0f1e2c;   /* dark navy, hovedtekst og navbar */
  --c-ink-2:      #1c2e44;   /* navy 2, hover/sektioner */
  --c-steel:      #475569;   /* mellem-grå tekst */
  --c-mist:       #64748b;   /* dæmpet grå */
  --c-line:       #e2e8f0;   /* hairline borders */
  --c-bg:         #ffffff;
  --c-bg-soft:    #f5f7fa;   /* sektion-baggrund */
  --c-bg-dark:    #0b1622;   /* dark hero/footer */
  --c-accent:     #0066b3;   /* technical blue, links/accent */
  --c-accent-2:   #004f8a;   /* darker blue for hover */
  --c-cta:        #d97706;   /* burnt orange, primær CTA (ring nu) */
  --c-cta-2:      #b45309;
  --c-success:    #15803d;

  --shadow-sm: 0 1px 2px rgba(15,30,44,.06), 0 1px 3px rgba(15,30,44,.05);
  --shadow-md: 0 4px 12px rgba(15,30,44,.08), 0 2px 4px rgba(15,30,44,.05);
  --shadow-lg: 0 12px 32px rgba(15,30,44,.12);

  --radius: 4px;
  --radius-lg: 8px;

  --maxw: 1180px;

  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "Inter", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-display: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

/* ---------- Reset / base ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.65;
  color: var(--c-ink);
  background: var(--c-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
img { max-width: 100%; display: block; height: auto; }
a { color: var(--c-accent); text-decoration: none; transition: color .15s ease; }
a:hover { color: var(--c-accent-2); }

h1, h2, h3, h4 {
  font-family: var(--font-display);
  color: var(--c-ink);
  letter-spacing: -.01em;
  line-height: 1.2;
  margin: 0 0 .6em;
  font-weight: 700;
}
h1 { font-size: clamp(2rem, 4.4vw, 3rem); }
h2 { font-size: clamp(1.6rem, 3vw, 2.1rem); }
h3 { font-size: 1.2rem; }
p  { margin: 0 0 1em; }

/* ---------- Layout helpers ---------- */
.container {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 24px;
}
.section { padding: 80px 0; }
.section--soft { background: var(--c-bg-soft); }
.section--dark { background: var(--c-bg-dark); color: #cbd5e1; }
.section--dark h1, .section--dark h2, .section--dark h3 { color: #fff; }

.eyebrow {
  display: inline-block;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--c-accent);
  margin-bottom: 14px;
}
.lede {
  font-size: 1.12rem;
  color: var(--c-steel);
  max-width: 640px;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 22px;
  font-weight: 600;
  font-size: 15px;
  border-radius: var(--radius);
  border: 1px solid transparent;
  cursor: pointer;
  transition: background .15s ease, transform .1s ease, box-shadow .15s ease;
  text-decoration: none;
  line-height: 1;
  font-family: inherit;
}
.btn--cta { background: var(--c-cta); color: #fff; }
.btn--cta:hover { background: var(--c-cta-2); color: #fff; transform: translateY(-1px); box-shadow: var(--shadow-md); }
.btn--primary { background: var(--c-accent); color: #fff; }
.btn--primary:hover { background: var(--c-accent-2); color: #fff; }
.btn--ghost { background: transparent; color: var(--c-ink); border-color: var(--c-line); }
.btn--ghost:hover { border-color: var(--c-accent); color: var(--c-accent); }
.btn--ghost-light { background: transparent; color: #fff; border-color: rgba(255,255,255,.4); }
.btn--ghost-light:hover { border-color: #fff; color: #fff; background: rgba(255,255,255,.06); }

.btn-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

/* ---------- Header / nav ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255,255,255,.95);
  backdrop-filter: saturate(140%) blur(8px);
  border-bottom: 1px solid var(--c-line);
}
.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  padding: 14px 24px;
  max-width: var(--maxw);
  margin: 0 auto;
}
.site-header__brand { display: flex; align-items: center; gap: 12px; }
.site-header__brand img { height: 40px; width: auto; }
.site-header__tag {
  display: none;
  font-size: 12px;
  color: var(--c-mist);
  letter-spacing: .04em;
}
.site-nav { display: none; gap: 28px; align-items: center; }
.site-nav a {
  color: var(--c-ink);
  font-weight: 500;
  font-size: 15px;
  position: relative;
  padding: 6px 0;
}
.site-nav a:hover { color: var(--c-accent); }
.site-nav a.is-active { color: var(--c-accent); }
.site-nav a.is-active::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: -2px;
  height: 2px;
  background: var(--c-accent);
}
.site-header__cta { display: none; }
.site-header__phone {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-weight: 600;
  color: var(--c-ink);
  font-size: 15px;
}
.site-header__phone:hover { color: var(--c-accent); }

/* Mobile menu toggle */
.nav-toggle {
  background: transparent;
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
  padding: 8px 10px;
  cursor: pointer;
  display: inline-flex;
}
.nav-toggle svg { width: 22px; height: 22px; color: var(--c-ink); }

.mobile-nav {
  display: none;
  border-top: 1px solid var(--c-line);
  padding: 12px 24px 18px;
  background: #fff;
}
.mobile-nav a {
  display: block;
  padding: 10px 0;
  color: var(--c-ink);
  font-weight: 500;
  border-bottom: 1px solid var(--c-line);
}
.mobile-nav a:last-of-type { border-bottom: none; }
.mobile-nav .btn { margin-top: 14px; width: 100%; justify-content: center; }
.mobile-nav.is-open { display: block; }

@media (min-width: 880px) {
  .site-nav { display: flex; }
  .site-header__cta { display: inline-flex; }
  .nav-toggle { display: none; }
  .site-header__tag { display: inline; }
}

/* ---------- Hero ---------- */
.hero {
  position: relative;
  background: var(--c-bg-dark);
  color: #e2e8f0;
  overflow: hidden;
}
.hero::before {
  content: "";
  position: absolute; inset: 0;
  background:
    linear-gradient(110deg, rgba(11,22,34,.92) 0%, rgba(11,22,34,.78) 55%, rgba(11,22,34,.55) 100%),
    url("../images/top_2.jpg") center right / cover no-repeat;
  background-color: var(--c-bg-dark);
}
.hero__inner {
  position: relative;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 110px 24px 120px;
}
.hero h1 { color: #fff; max-width: 760px; }
.hero p.lede { color: #cbd5e1; font-size: 1.18rem; max-width: 580px; }
.hero .eyebrow { color: #7dd3fc; }

.hero__meta {
  margin-top: 36px;
  display: flex;
  flex-wrap: wrap;
  gap: 32px 48px;
  padding-top: 28px;
  border-top: 1px solid rgba(255,255,255,.12);
}
.hero__meta div { font-size: 14px; }
.hero__meta strong {
  display: block;
  color: #fff;
  font-size: 22px;
  font-weight: 700;
  letter-spacing: -.01em;
  margin-bottom: 2px;
}
.hero__meta span { color: #94a3b8; }

/* Sub-hero (pages other than forsiden) */
.subhero {
  background: var(--c-bg-dark);
  color: #cbd5e1;
  padding: 80px 0 60px;
}
.subhero h1 { color: #fff; max-width: 720px; }
.subhero p { max-width: 640px; color: #94a3b8; font-size: 1.08rem; margin-bottom: 0; }
.subhero .eyebrow { color: #7dd3fc; }

/* ---------- Sections / grids ---------- */
.section-head {
  max-width: 720px;
  margin-bottom: 48px;
}
.section-head--center {
  margin-left: auto;
  margin-right: auto;
  text-align: center;
}

.grid {
  display: grid;
  gap: 20px;
}
.grid--2 { grid-template-columns: 1fr; }
.grid--3 { grid-template-columns: 1fr; }
.grid--4 { grid-template-columns: 1fr 1fr; }
@media (min-width: 720px) {
  .grid--2 { grid-template-columns: 1fr 1fr; gap: 28px; }
  .grid--3 { grid-template-columns: 1fr 1fr 1fr; gap: 24px; }
  .grid--4 { grid-template-columns: repeat(4, 1fr); }
}

/* ---------- Service cards ---------- */
.service-card {
  background: #fff;
  border: 1px solid var(--c-line);
  border-radius: var(--radius-lg);
  padding: 28px 26px;
  transition: border-color .15s ease, box-shadow .15s ease, transform .15s ease;
}
.service-card:hover {
  border-color: #cbd5e1;
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}
.service-card__icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius);
  background: rgba(0,102,179,.08);
  color: var(--c-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 18px;
}
.service-card__icon svg { width: 24px; height: 24px; }
.service-card h3 { margin-bottom: 10px; font-size: 1.15rem; }
.service-card p { color: var(--c-steel); font-size: 15px; margin-bottom: 14px; }
.service-card ul {
  margin: 0; padding: 0;
  list-style: none;
  font-size: 14px;
  color: var(--c-steel);
}
.service-card ul li {
  padding: 4px 0 4px 22px;
  position: relative;
}
.service-card ul li::before {
  content: "";
  position: absolute;
  left: 0; top: 11px;
  width: 12px; height: 2px;
  background: var(--c-accent);
}

/* ---------- Specifik strip / USP ---------- */
.usp-strip {
  display: grid;
  gap: 12px;
  grid-template-columns: 1fr;
  background: #fff;
  border: 1px solid var(--c-line);
  border-radius: var(--radius-lg);
  padding: 24px;
  margin-top: -40px;
  position: relative;
  z-index: 2;
  box-shadow: var(--shadow-md);
}
@media (min-width: 720px) { .usp-strip { grid-template-columns: repeat(4, 1fr); padding: 28px 32px; gap: 24px; } }
.usp-strip__item { display: flex; align-items: flex-start; gap: 14px; }
.usp-strip__item svg { flex-shrink: 0; width: 26px; height: 26px; color: var(--c-accent); }
.usp-strip__item strong { display: block; font-size: 14px; color: var(--c-ink); margin-bottom: 2px; }
.usp-strip__item span { font-size: 13px; color: var(--c-steel); line-height: 1.5; }

/* ---------- Two-col content ---------- */
.two-col {
  display: grid;
  gap: 40px;
  grid-template-columns: 1fr;
  align-items: center;
}
@media (min-width: 880px) { .two-col { grid-template-columns: 1.1fr 1fr; gap: 64px; } }
.two-col--reverse > :first-child { order: 1; }
@media (min-width: 880px) {
  .two-col--reverse > :first-child { order: 2; }
}
.two-col img {
  border-radius: var(--radius-lg);
  border: 1px solid var(--c-line);
  background: #fff;
  padding: 24px;
  width: 100%;
  max-width: 460px;
  margin: 0 auto;
}

/* ---------- Reference logos ---------- */
.ref-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: var(--c-line);
  border: 1px solid var(--c-line);
  border-radius: var(--radius-lg);
  overflow: hidden;
}
@media (min-width: 600px) { .ref-grid { grid-template-columns: repeat(3, 1fr); } }
@media (min-width: 880px) { .ref-grid { grid-template-columns: repeat(4, 1fr); } }
.ref-grid__item {
  background: #fff;
  padding: 28px 18px;
  text-align: center;
  font-size: 14px;
  font-weight: 500;
  color: var(--c-steel);
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 90px;
  transition: background .15s ease, color .15s ease;
}
.ref-grid__item:hover {
  background: var(--c-bg-soft);
  color: var(--c-ink);
}

.ref-cat {
  display: grid;
  gap: 28px;
  grid-template-columns: 1fr;
}
@media (min-width: 720px) { .ref-cat { grid-template-columns: 1fr 1fr; } }
.ref-cat__block {
  background: #fff;
  border: 1px solid var(--c-line);
  border-radius: var(--radius-lg);
  padding: 28px;
}
.ref-cat__block h3 { font-size: 1.05rem; margin-bottom: 14px; color: var(--c-accent); }
.ref-cat__block ul { margin: 0; padding: 0; list-style: none; font-size: 15px; color: var(--c-ink); }
.ref-cat__block li { padding: 8px 0; border-bottom: 1px solid var(--c-line); }
.ref-cat__block li:last-child { border-bottom: none; }

/* ---------- Stats / numbers ---------- */
.stats {
  display: grid;
  gap: 32px;
  grid-template-columns: repeat(2, 1fr);
}
@media (min-width: 720px) { .stats { grid-template-columns: repeat(4, 1fr); } }
.stats__num {
  font-size: clamp(2rem, 4.6vw, 2.8rem);
  font-weight: 700;
  color: #fff;
  letter-spacing: -.02em;
  line-height: 1;
  margin-bottom: 6px;
}
.stats__label { font-size: 14px; color: #94a3b8; }

/* ---------- CTA band ---------- */
.cta-band {
  background: var(--c-ink);
  color: #fff;
  padding: 60px 0;
}
.cta-band__inner {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
  align-items: center;
  justify-content: space-between;
}
.cta-band h2 { color: #fff; margin: 0 0 6px; font-size: 1.6rem; }
.cta-band p { margin: 0; color: #94a3b8; }
.cta-band__actions { display: flex; flex-wrap: wrap; gap: 12px; }

/* ---------- Form ---------- */
.contact-grid {
  display: grid;
  gap: 40px;
  grid-template-columns: 1fr;
}
@media (min-width: 880px) { .contact-grid { grid-template-columns: 1fr 1.1fr; gap: 56px; } }

.contact-card {
  background: #fff;
  border: 1px solid var(--c-line);
  border-radius: var(--radius-lg);
  padding: 28px;
}
.contact-card h3 { font-size: 1.1rem; margin-bottom: 16px; }
.contact-list { margin: 0; padding: 0; list-style: none; }
.contact-list li {
  display: flex;
  gap: 14px;
  padding: 12px 0;
  border-bottom: 1px solid var(--c-line);
  align-items: flex-start;
}
.contact-list li:last-child { border-bottom: none; }
.contact-list svg {
  width: 20px; height: 20px;
  color: var(--c-accent);
  flex-shrink: 0;
  margin-top: 2px;
}
.contact-list strong { display: block; font-size: 13px; color: var(--c-mist); font-weight: 500; }
.contact-list a { color: var(--c-ink); font-weight: 600; }
.contact-list a:hover { color: var(--c-accent); }

.form {
  background: #fff;
  border: 1px solid var(--c-line);
  border-radius: var(--radius-lg);
  padding: 32px;
}
.form__row { display: grid; gap: 16px; grid-template-columns: 1fr; margin-bottom: 16px; }
@media (min-width: 600px) { .form__row--2 { grid-template-columns: 1fr 1fr; } }
.form label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--c-ink);
  margin-bottom: 6px;
}
.form input,
.form select,
.form textarea {
  width: 100%;
  padding: 12px 14px;
  font-size: 15px;
  font-family: inherit;
  color: var(--c-ink);
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
  background: #fff;
  transition: border-color .15s ease, box-shadow .15s ease;
}
.form input:focus,
.form select:focus,
.form textarea:focus {
  outline: none;
  border-color: var(--c-accent);
  box-shadow: 0 0 0 3px rgba(0,102,179,.12);
}
.form textarea { resize: vertical; min-height: 130px; }
.form__check {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  font-size: 13px;
  color: var(--c-steel);
  margin-bottom: 20px;
}
.form__check input { width: auto; margin-top: 3px; }
.form__notice {
  display: none;
  margin-top: 14px;
  padding: 12px 14px;
  background: #ecfdf5;
  color: var(--c-success);
  border-radius: var(--radius);
  font-size: 14px;
  font-weight: 500;
}
.form__notice.is-visible { display: block; }

/* ---------- Map ---------- */
.map-frame {
  border-radius: var(--radius-lg);
  border: 1px solid var(--c-line);
  overflow: hidden;
  background: var(--c-bg-soft);
}
.map-frame iframe { width: 100%; height: 380px; border: 0; display: block; }

/* ---------- Footer ---------- */
.site-footer {
  background: #0b1622;
  color: #94a3b8;
  padding: 64px 0 28px;
  font-size: 14px;
}
.site-footer__grid {
  display: grid;
  gap: 36px;
  grid-template-columns: 1fr;
  margin-bottom: 40px;
}
@media (min-width: 720px) { .site-footer__grid { grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 48px; } }
.site-footer h4 { color: #fff; font-size: 14px; letter-spacing: .04em; text-transform: uppercase; margin-bottom: 16px; }
.site-footer ul { list-style: none; margin: 0; padding: 0; }
.site-footer ul li { margin-bottom: 10px; }
.site-footer a { color: #cbd5e1; }
.site-footer a:hover { color: #fff; }
.site-footer__brand img { height: 38px; width: auto; margin-bottom: 14px; background: #fff; padding: 6px 10px; border-radius: var(--radius); }
.site-footer__brand p { color: #94a3b8; max-width: 320px; }
.site-footer__bottom {
  border-top: 1px solid #1e293b;
  padding-top: 22px;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 12px;
  font-size: 13px;
  color: #64748b;
}

/* ---------- Util ---------- */
.text-center { text-align: center; }
.muted { color: var(--c-mist); }
.icon-inline { width: 16px; height: 16px; vertical-align: -3px; }