/* ===========================================================
   Kongsberg Elektro — Industriell/utilitarian design system
   =========================================================== */

:root {
  --color-bg: #121417;
  --color-surface: #1b1e23;
  --color-surface-raised: #22262c;
  --color-text: #eceef0;
  --color-text-muted: #9aa1a9;
  --color-accent: #e08d3c;
  --color-accent-muted: #b9702a;
  --color-line: #33383f;
  --color-ok: #6fcf97;

  --font-display: 'Big Shoulders Display', sans-serif;
  --font-body: 'IBM Plex Sans', sans-serif;
  --font-mono: 'IBM Plex Mono', monospace;

  --gap: clamp(1.25rem, 3vw, 2.5rem);
  --pad-section: clamp(3.5rem, 8vw, 7rem);
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
button { font: inherit; cursor: pointer; border: none; background: none; color: inherit; }
input, textarea { font: inherit; color: inherit; }

body {
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-body);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

.accent { color: var(--color-accent); }

/* ---------- Reveal animation ---------- */
@keyframes reveal-up {
  from { opacity: 0; transform: translateY(14px); }
  to   { opacity: 1; transform: translateY(0); }
}
.reveal {
  display: inline-block;
  animation: reveal-up 0.5s cubic-bezier(.2,.7,.3,1) both;
  animation-delay: calc(var(--d, 0) * 0.09s);
}

/* ===========================================================
   HEADER
   =========================================================== */
header[data-type] {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(18, 20, 23, 0.88);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-line);
}

.header-inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: 1rem clamp(1.25rem, 4vw, 2.5rem);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.65rem;
}
.logo-mark {
  color: var(--color-accent);
  display: flex;
}
.logo-text {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  line-height: 1.35;
  color: var(--color-text-muted);
}
.logo-text strong {
  color: var(--color-text);
  font-weight: 600;
}

nav[aria-label="Hovedmeny"] { display: flex; align-items: center; }

.nav-list {
  display: flex;
  align-items: center;
  gap: clamp(1.25rem, 3vw, 2.25rem);
  font-family: var(--font-mono);
  font-size: 0.82rem;
  letter-spacing: 0.03em;
}
.nav-list a {
  position: relative;
  padding: 0.25rem 0;
  color: var(--color-text-muted);
  transition: color 0.2s ease;
}
.nav-list a:hover { color: var(--color-text); }
.nav-list a::after {
  content: '';
  position: absolute;
  left: 0; bottom: -2px;
  width: 0; height: 1px;
  background: var(--color-accent);
  transition: width 0.25s ease;
}
.nav-list a:hover::after { width: 100%; }

.nav-cta {
  border: 1px solid var(--color-accent);
  color: var(--color-accent) !important;
  padding: 0.5rem 1rem !important;
  border-radius: 2px;
}
.nav-cta::after { display: none; }
.nav-cta:hover {
  background: var(--color-accent);
  color: var(--color-bg) !important;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 0.5rem;
}
.nav-toggle span {
  width: 22px; height: 2px;
  background: var(--color-text);
  transition: transform 0.25s ease, opacity 0.25s ease;
}

/* ===========================================================
   HERO
   =========================================================== */
.hero {
  position: relative;
  padding: clamp(4rem, 10vw, 7rem) clamp(1.25rem, 4vw, 2.5rem) clamp(3rem, 8vw, 5rem);
  max-width: 1280px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.4fr 0.9fr;
  gap: var(--gap);
  align-items: end;
}

.grid-overlay {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--color-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--color-line) 1px, transparent 1px);
  background-size: 64px 64px;
  opacity: 0.18;
  mask-image: linear-gradient(to bottom, black, transparent 85%);
  pointer-events: none;
}

.hero-inner { position: relative; }

.eyebrow {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  color: var(--color-accent);
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 1.25rem;
}
.eyebrow-dot {
  width: 7px; height: 7px;
  background: var(--color-accent);
  border-radius: 50%;
  box-shadow: 0 0 0 3px rgba(224,141,60,0.18);
}

.hero-title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(3rem, 7vw, 5.5rem);
  line-height: 0.95;
  letter-spacing: -0.01em;
  text-transform: uppercase;
  margin-bottom: 1.5rem;
}

.hero-lede {
  font-size: clamp(1rem, 1.4vw, 1.15rem);
  color: var(--color-text-muted);
  max-width: 46ch;
  margin-bottom: 2rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.9rem 1.6rem;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  letter-spacing: 0.03em;
  border-radius: 2px;
  transition: transform 0.2s ease, background 0.2s ease, color 0.2s ease, border-color 0.2s ease;
  border: 1px solid transparent;
}
.btn-primary {
  background: var(--color-accent);
  color: #16181b;
  font-weight: 600;
}
.btn-primary:hover {
  background: var(--color-accent-muted);
  transform: translateY(-2px);
}
.btn-ghost {
  border-color: var(--color-line);
  color: var(--color-text);
}
.btn-ghost:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
  transform: translateY(-2px);
}
.btn-full { width: 100%; justify-content: center; }

/* Hero side panel — "sikringsskap status" card */
.hero-panel {
  position: relative;
  background: var(--color-surface);
  border: 1px solid var(--color-line);
  border-radius: 4px;
  padding: 1.5rem;
  font-family: var(--font-mono);
  font-size: 0.85rem;
}
.hero-panel::before {
  content: '';
  position: absolute;
  top: -1px; left: -1px;
  width: 14px; height: 14px;
  border-top: 2px solid var(--color-accent);
  border-left: 2px solid var(--color-accent);
}
.hero-panel::after {
  content: '';
  position: absolute;
  bottom: -1px; right: -1px;
  width: 14px; height: 14px;
  border-bottom: 2px solid var(--color-accent);
  border-right: 2px solid var(--color-accent);
}
.panel-label {
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  color: var(--color-text-muted);
  padding-bottom: 0.85rem;
  margin-bottom: 0.85rem;
  border-bottom: 1px solid var(--color-line);
}
.panel-row {
  display: flex;
  justify-content: space-between;
  padding: 0.55rem 0;
  border-bottom: 1px dashed var(--color-line);
  color: var(--color-text-muted);
}
.panel-row:last-of-type { border-bottom: none; }
.panel-row .ok {
  color: var(--color-ok);
  font-weight: 500;
}
.panel-footer {
  margin-top: 0.85rem;
  font-size: 0.7rem;
  color: var(--color-accent);
}

/* ===========================================================
   SECTION LABEL (shared)
   =========================================================== */
.section-label {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  color: var(--color-text-muted);
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 clamp(1.25rem, 4vw, 2.5rem);
}
.section-label.light { color: rgba(255,255,255,0.65); }
.index-no {
  font-family: var(--font-mono);
  color: var(--color-accent);
}
.section-label .line {
  flex: 1;
  max-width: 80px;
  height: 1px;
  background: var(--color-line);
}

/* ===========================================================
   ABOUT
   =========================================================== */
.about {
  padding: var(--pad-section) 0;
  border-top: 1px solid var(--color-line);
}
.about-grid {
  max-width: 1280px;
  margin: 0 auto;
  padding: 2rem clamp(1.25rem, 4vw, 2.5rem) 0;
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: var(--gap);
}
.about-title {
  font-family: var(--font-display);
  font-weight: 700;
  text-transform: uppercase;
  font-size: clamp(2.1rem, 4vw, 3.2rem);
  line-height: 1.02;
}
.underline-accent {
  color: var(--color-accent);
  text-decoration: underline;
  text-decoration-thickness: 3px;
  text-underline-offset: 6px;
  text-decoration-color: var(--color-accent-muted);
}
.about-text p { color: var(--color-text-muted); margin-bottom: 1.1rem; max-width: 52ch; }

.about-stats {
  display: flex;
  gap: clamp(1.5rem, 4vw, 3rem);
  margin-top: 2rem;
  padding-top: 1.75rem;
  border-top: 1px solid var(--color-line);
}
.stat { display: flex; flex-direction: column; }
.stat-num {
  font-family: var(--font-display);
  font-size: 2.4rem;
  font-weight: 700;
  color: var(--color-accent);
  line-height: 1;
}
.stat-label {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--color-text-muted);
  margin-top: 0.4rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

/* ===========================================================
   SERVICES
   =========================================================== */
.services {
  padding: var(--pad-section) 0;
  border-top: 1px solid var(--color-line);
  background: var(--color-surface);
}
.services-title {
  font-family: var(--font-display);
  font-weight: 800;
  text-transform: uppercase;
  font-size: clamp(2.2rem, 5vw, 3.6rem);
  max-width: 1280px;
  margin: 1.25rem auto 2.5rem;
  padding: 0 clamp(1.25rem, 4vw, 2.5rem);
}

.service-grid {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 clamp(1.25rem, 4vw, 2.5rem);
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--color-line);
  border: 1px solid var(--color-line);
}

.service-card {
  position: relative;
  background: var(--color-bg);
  padding: 2.25rem 1.75rem;
  transition: background 0.25s ease, transform 0.25s ease;
}
.service-card:hover {
  background: var(--color-surface-raised);
  transform: translateY(-4px);
}
.service-index {
  position: absolute;
  top: 1.5rem; right: 1.75rem;
  font-family: var(--font-mono);
  color: var(--color-line);
  font-size: 1.1rem;
}
.service-icon {
  width: 46px; height: 46px;
  border: 1px solid var(--color-line);
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-accent);
  margin-bottom: 1.5rem;
}
.service-icon svg { width: 22px; height: 22px; }
.service-card h3 {
  font-family: var(--font-display);
  font-size: 1.6rem;
  font-weight: 700;
  text-transform: uppercase;
  margin-bottom: 0.75rem;
  letter-spacing: 0.01em;
}
.service-card p {
  color: var(--color-text-muted);
  margin-bottom: 1.25rem;
  font-size: 0.95rem;
}
.service-list {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--color-text-muted);
}
.service-list li {
  padding-left: 1.1rem;
  position: relative;
}
.service-list li::before {
  content: '›';
  position: absolute;
  left: 0;
  color: var(--color-accent);
}

/* ===========================================================
   PROOF
   =========================================================== */
.proof {
  padding: var(--pad-section) 0;
  background: linear-gradient(135deg, var(--color-accent-muted), var(--color-accent));
  color: #17140f;
}
.proof .section-label { color: rgba(23,20,15,0.65); }
.proof .index-no { color: #17140f; }
.proof .line { background: rgba(23,20,15,0.25); }

.quote {
  max-width: 900px;
  margin: 2rem auto;
  padding: 0 clamp(1.25rem, 4vw, 2.5rem);
}
.quote p {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(1.5rem, 3.2vw, 2.4rem);
  line-height: 1.25;
}
.quote footer {
  margin-top: 1.25rem;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  opacity: 0.75;
}

.proof-marks {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 clamp(1.25rem, 4vw, 2.5rem);
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  opacity: 0.8;
}

/* ===========================================================
   CONTACT
   =========================================================== */
.contact {
  padding: var(--pad-section) 0 calc(var(--pad-section) * 1.1);
}
.contact-grid {
  max-width: 1280px;
  margin: 2rem auto 0;
  padding: 0 clamp(1.25rem, 4vw, 2.5rem);
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: clamp(2rem, 5vw, 4rem);
}
.contact-intro h2 {
  font-family: var(--font-display);
  font-weight: 800;
  text-transform: uppercase;
  font-size: clamp(2.2rem, 5vw, 3.4rem);
  line-height: 1;
  margin-bottom: 1rem;
}
.contact-intro > p {
  color: var(--color-text-muted);
  max-width: 42ch;
  margin-bottom: 2rem;
}
.contact-detail {
  display: flex;
  flex-direction: column;
  padding: 1rem 0;
  border-top: 1px solid var(--color-line);
}
.contact-detail:last-child { border-bottom: 1px solid var(--color-line); }
.cd-label {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  color: var(--color-text-muted);
  margin-bottom: 0.3rem;
  text-transform: uppercase;
}
.contact-detail a { transition: color 0.2s ease; }
.contact-detail a:hover { color: var(--color-accent); }

.contact-form {
  background: var(--color-surface);
  border: 1px solid var(--color-line);
  border-radius: 4px;
  padding: clamp(1.5rem, 3vw, 2.25rem);
}
.form-row { margin-bottom: 1.25rem; }
.form-row label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-bottom: 0.5rem;
}
.form-row input,
.form-row textarea {
  width: 100%;
  background: var(--color-bg);
  border: 1px solid var(--color-line);
  border-radius: 3px;
  padding: 0.8rem 0.9rem;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
  resize: vertical;
}
.form-row input:focus,
.form-row textarea:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(224,141,60,0.15);
}
.form-row input:invalid:not(:placeholder-shown),
.form-row textarea:invalid:not(:placeholder-shown) {
  border-color: #d4634f;
}
.form-note {
  margin-top: 1rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--color-text-muted);
  text-align: center;
}
.success-message {
  font-family: var(--font-mono);
  font-size: 1.05rem;
  text-align: center;
  padding: 2rem 1rem;
  color: var(--color-ok);
  border: 1px dashed var(--color-ok);
  border-radius: 4px;
  animation: reveal-up 0.4s ease both;
}

/* ===========================================================
   FOOTER
   =========================================================== */
footer[data-type] {
  border-top: 1px solid var(--color-line);
  background: var(--color-surface);
}
.footer-inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: 3rem clamp(1.25rem, 4vw, 2.5rem);
  display: grid;
  grid-template-columns: 1.3fr 1fr 1fr;
  gap: 2rem;
}
.footer-brand p {
  margin-top: 0.85rem;
  color: var(--color-text-muted);
  font-size: 0.85rem;
  max-width: 32ch;
}
.footer-links {
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
  font-family: var(--font-mono);
  font-size: 0.82rem;
}
.footer-links a { color: var(--color-text-muted); transition: color 0.2s ease; }
.footer-links a:hover { color: var(--color-accent); }
.footer-meta {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--color-text-muted);
  align-items: flex-start;
}
@media (min-width: 700px) {
  .footer-meta { align-items: flex-end; text-align: right; }
}

/* ===========================================================
   RESPONSIVE
   =========================================================== */
@media (max-width: 900px) {
  .hero { grid-template-columns: 1fr; }
  .hero-panel { max-width: 360px; }
  .about-grid { grid-template-columns: 1fr; }
  .service-grid { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .footer-inner { grid-template-columns: 1fr; }
  .footer-meta { align-items: flex-start; text-align: left; }
}

@media (max-width: 720px) {
  .nav-toggle { display: flex; }
  .nav-list {
    position: fixed;
    inset: 64px 0 0 0;
    flex-direction: column;
    align-items: flex-start;
    padding: 2rem clamp(1.25rem, 4vw, 2.5rem);
    background: var(--color-bg);
    transform: translateX(100%);
    transition: transform 0.3s ease;
    gap: 1.5rem;
  }
  .nav-list.open { transform: translateX(0); }
  .nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .nav-toggle.open span:nth-child(2) { opacity: 0; }
  .nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { animation: none; opacity: 1; }
}